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Publication numberCN102879200 B
Publication typeGrant
Application numberCN 201210351654
Publication date30 Mar 2016
Filing date20 Sep 2012
Priority date20 Sep 2012
Also published asCN102879200A
Publication number201210351654.X, CN 102879200 B, CN 102879200B, CN 201210351654, CN-B-102879200, CN102879200 B, CN102879200B, CN201210351654, CN201210351654.X
Inventors范振勇, 孙永亮, 王秀雷, 马雁
Applicant潍柴动力股份有限公司
Export CitationBiBTeX, EndNote, RefMan
External Links: SIPO, Espacenet
一种测定发动机常用工作区的方法、装置及系统 A method for determining engine common work areas, equipment and systems translated from Chinese
CN 102879200 B
Abstract  translated from Chinese
本发明公开了一种测定发动机常用工作区的方法,用于快速、准确地获得发动机的常用工作区,该方法包括:在发动机台架测试时,采集不同发动机转速和发动机扭矩条件下的氮氧化物排放量以及修正参数值;保存发动机转速、发动机扭矩以及修正参数值与氮氧化物排放量的对应关系;在车辆实际运行时,采集发动机的实际转速、氮氧化物实际排放量以及实际修正参数值后;查询发动机转速、发动机扭矩以及修正参数值与氮氧化物排放量的对应关系,获得在车辆实际运行时发动机的实际扭矩;根据发动机的实际转速以及发动机的实际扭矩,确定发动机的常用工作区。 The present invention discloses a method for determining engine common workspace for fast and accurate access to the engine common work area, the method comprising: when the engine bench testing, acquisition oxynitride different engine speed and engine torque conditions and emissions were corrected parameter values; save the engine speed, engine torque and the correction parameter values corresponding relationship between the nitrogen oxide emissions; vehicle in actual operation, collecting the actual speed, actual emissions of nitrogen oxides and the actual correction parameter of the engine after the value; query engine speed, engine torque and the corresponding relationship between the correction parameter and the NOx emissions, the actual torque obtaining the actual operation of the engine of the vehicle; the actual speed and the actual engine torque, engine, used to determine the operation of the engine Area. 本发明还公开了一种测定发动机常用工作区的系统及装置。 The present invention also discloses a system and a device for measuring engine common workspace.
Claims(4)  translated from Chinese
1.一种测定发动机常用工作区的系统,其特征在于,所述系统包括: 发动机台架测试数据采集装置,用于在发动机台架测试时,采集不同发动机转速和发动机扭矩条件下的氮氧化物排放量以及修正参数值; 路谱数据采集装置,用于在车辆实际运行时,采集发动机的实际转速、氮氧化物实际排放量以及实际修正参数值; 发动机常用工作区测定装置,用于接收所述发动机转速、所述发动机扭矩、所述氮氧化物排放量以及所述修正参数值;保存所述发动机转速、所述发动机扭矩以及所述修正参数值与所述氮氧化物排放量的对应关系;接收所述发动机的实际转速、所述氮氧化物实际排放量以及所述实际修正参数值;查询所述发动机转速、所述发动机扭矩以及所述修正参数值与所述氮氧化物排放量的对应关系,获得在车辆实际运行时发动机的实际扭矩;根据所述发动机的实际转速以及所述发动机的实际扭矩,获得发动机的常用工作区,所述发动机的常用工作区指所述发动机在匹配整车时的运行工况,所述发动机的常用工作区包括不同转速和扭矩对应的工作区域。 An engine system common work area measured, characterized in that the system comprising: an engine bench test data acquisition device for the engine test bench, nitrogen oxide collected under different engine speed and engine torque conditions and emissions were corrected parameter values; road spectrum data acquisition device for the vehicle is actually running, the actual engine speed acquisition, the actual nitrogen oxide emissions and the actual correction parameter values; measuring device engine common work area for receiving the engine speed, the engine torque, the NOx emissions and the correction parameter value; storing the engine speed, the engine torque corresponding to the parameter and the correction value of the NOx emissions receiving the actual engine speed, the actual emissions of nitrogen oxides and the actual correction parameter values;; the relational query engine speed, the engine torque and the correction parameter value and the nitrogen oxide emissions correspondence between the actual engine torque obtained in the actual operation of the vehicle; the actual rotational speed of the engine and the actual engine torque, the engine used to obtain the work area, the work area of the engine means that the engine used in the matching when the vehicle operating conditions, said engine comprising a common work area different speed and torque corresponding to the working area.
2.根据权利要求1所述的系统,其特征在于, 修正参数值包括进气温度、进气压力以及进气湿度; 实际修正参数值包括实际进气温度、实际进气压力以及实际进气湿度。 2. The system according to claim 1, characterized in that the correction parameter values include intake air temperature, air pressure and intake air humidity; actual correction parameters include the actual intake air temperature, the actual intake pressure and the actual intake air humidity .
3.根据权利要求2所述的系统,其特征在于,所述路谱数据采集装置,包括: 转速传感器,设置于车辆飞轮壳上,用于采集发动机的实际转速; 氮氧化物测定装置,用于设置于车辆排气管路上,用于采集氮氧化物实际排放量; 温度传感器,用于采集实际进气温度; 压力传感器,用于采集实际进气压力; 湿度传感器,用于采集实际进气湿度。 3. The system according to claim 2, characterized in that the spectral channel data acquisition device, comprising: a speed sensor, flywheel housing disposed on the vehicle for collecting the actual speed of the engine; NOx measurement means for to set the vehicle exhaust pipe on the road, used to collect actual emissions of nitrogen oxides; a temperature sensor for acquiring the actual intake air temperature; a pressure sensor for acquiring the actual intake pressure; humidity sensor for acquiring the actual intake humidity.
4.根据权利要求2所述的系统,其特征在于,所述氮氧化物测定装置,包括: 氮氧化物传感器或快速氮氧化物分析仪。 4. A system according to claim 2, characterized in that the nitrogen oxide measuring apparatus, comprising: a NOx sensor or a rapid nitrogen oxide analyzer.
Description  translated from Chinese
一种测定发动机常用工作区的方法、装置及系统 A method for determining engine common work areas, equipment and systems

技术领域 TECHNICAL FIELD

[0001] 本发明涉及汽车发动机技术领域,具体涉及一种测定发动机常用工作区的方法、装置及系统。 [0001] The present invention relates to the field of automobile engine technology, in particular relates to a method of measuring engine common workspace, equipment and systems.

背景技术 Background technique

[0002]目前,社会对于节能减排的意识越来越强,如何更加有效的降低油耗,同时满足汽车尾气排放标准法规,对汽车发动机技术提出了日益严峻的挑战,因此需要分析发动机的常用工作区。 [0002] Currently, the society's growing awareness of energy conservation, how to more effectively reduce fuel consumption, while meeting auto emissions standards and regulations on automobile engine technology presents an increasingly serious challenge that requires a common analysis engine operation Area. 发动机的常用工作区是指发动机在匹配整车时的主要运行工况,也就是不同转速和扭矩对应的工作区域。 Engine common work area refers to the engine when the vehicle matched the main operating conditions, that is, different speed and torque corresponding to the work area. 可以根据获取的常用工作区,为优化发动机的性能提供依据,选取最优发动机配置确定优化的方向,指导发动机性能优化匹配和整车匹配,达到最佳油耗区与发动机的常用工作区一致。 According to usual work area acquired to optimize engine performance provide the basis for selecting the optimal engine configuration determine the optimal direction, guidance and matching engine performance to optimize the vehicle matching, to achieve the best fuel consumption of the engine area common workspace same.

[0003] 发动机的常用工作区可以通过发动机转速以及发动机扭矩测定,在现有技术中,是通过测定进气时增压后压力推算发动机扭矩,进而根据发动机转速以及发动机扭矩获得发动机的常用工作区。 [0003] common workspace engine by the engine speed and the engine torque measurement, in the prior art, by measuring the intake pressure estimated supercharged engine torque, thereby to obtain a common working area of the engine from the engine speed and the engine torque . 但是,通过测定增压后压力来推算常用工作区,存在响应速度慢,测量准确度较低的缺点。 However, through the supercharging pressure measured to calculate common work area, the presence of slow response speed, measurement accuracy is low drawbacks.

发明内容 SUMMARY

[0004] 有鉴于此,本发明的主要目的是提供一种测定发动机常用工作区的方法、装置及系统,以解决现有技术中通过测定增压后压力来推算发动机常用工作区,响应速度慢,测量准确度较低的问题。 [0004] In view of this, the main object of the present invention to provide a method, apparatus and system for an engine common workspace determined, in order to solve the prior art used to calculate engine work area through the supercharging pressure measured, slow response lower measurement accuracy problems.

[0005] 为解决上述问题,本发明提供的技术方案如下: [0005] In order to solve the above problems, the present invention provides a technical solution as follows:

[0006] —种测定发动机常用工作区的方法,所述方法包括: [0006] - Determination of engine types commonly used in the work area, the method comprising:

[0007] 在发动机台架测试时,采集不同发动机转速和发动机扭矩条件下的氮氧化物排放量以及修正参数值后,接收所述发动机转速、所述发动机扭矩、所述修正参数值以及所述氮氧化物排放量; After [0007] When the engine test bench, as well as NOx emissions collected correction values for the various parameters of engine speed and engine torque condition, receiving the engine speed, the engine torque, the correction of the parameter value and nitrogen oxide emissions;

[0008] 保存所述发动机转速、所述发动机扭矩以及所述修正参数值与所述氮氧化物排放量的对应关系; [0008] The stored engine speed, engine torque, and the correspondence between the parameter value and the amount of NOx corrected;

[0009] 在车辆实际运行时,采集发动机的实际转速、氮氧化物实际排放量以及实际修正参数值后,接收所述发动机实际转速、所述氮氧化物实际排放量以及所述实际修正参数值; After the [0009] In the actual operation of the vehicle, collect the actual speed, actual emissions of nitrogen oxides and the actual value of the correction parameters of the engine, receiving the actual engine speed, the actual emissions of nitrogen oxides and the actual value of the correction parameter ;

[0010] 查询所述发动机转速、所述发动机扭矩以及所述修正参数值与所述氮氧化物排放量的对应关系,获得在车辆实际运行时发动机的实际扭矩; [0010] The query engine speed, engine torque, and the correspondence between the parameter value and the correction of the NOx emissions, the actual torque obtaining the actual operation of the engine of the vehicle;

[0011] 根据所述发动机的实际转速以及所述发动机的实际扭矩,确定发动机的常用工作区。 [0011] According to the actual speed of the engine and the actual torque of the engine, the engine used to determine the work area.

[0012] 相应的,修正参数值包括进气温度、进气压力以及进气湿度; [0012] Accordingly, the correction parameter value comprises an intake air temperature, air pressure and intake air humidity;

[0013] 实际修正参数值包括实际进气温度、实际进气压力以及实际进气湿度。 [0013] The actual correction parameters include the actual intake air temperature, the actual intake pressure and the actual intake air humidity.

[0014] 相应的,采集发动机的实际转速、氮氧化物实际排放量以及实际修正参数值,包括: [0014] Accordingly, the actual engine speed acquisition, the actual emissions of nitrogen oxides and the actual correction parameter values, including:

[0015] 通过在车辆飞轮壳上设置的转速传感器采集发动机的实际转速,通过在车辆排气管路上设置的氮氧化物测定装置采集氮氧化物实际排放量,通过温度传感器采集实际进气温度,通过压力传感器采集实际进气压力,通过湿度传感器采集实际进气湿度。 [0015] The vehicle speed sensor on the flywheel housing to set the actual engine speed acquisition, the acquisition means actual emissions of nitrogen oxides by the temperature sensor to collect the actual intake air temperature by nitrogen oxides in the exhaust pipe of the vehicle on the road set of measurement by the pressure sensor to collect the actual intake air pressure, humidity sensor acquisition by the actual intake air humidity.

[0016] 相应的,所述氮氧化物测定装置包括:氮氧化物传感器或快速氮氧化物分析仪。 [0016] Accordingly, the nitrogen oxide measuring apparatus comprising: a NOx sensor or a rapid nitrogen oxide analyzer.

[0017] —种测定发动机常用工作区的装置,所述装置包括: [0017] - Determination kind commonly workspace engine, the apparatus comprising:

[0018] 第一接收单元,在发动机台架测试时,采集不同发动机转速和发动机扭矩条件下的氮氧化物排放量以及修正参数值后,接收所述发动机转速、所述发动机扭矩、所述修正参数值以及所述氮氧化物排放量; After [0018] The first receiving unit, when the engine test bench, as well as NOx emissions collected correction values for the various parameters of engine speed and engine torque condition, receiving the engine speed, the engine torque, the correction parameter values, and the nitrogen oxide emissions;

[0019] 数据保存单元,用于保存所述发动机转速、所述发动机扭矩以及所述修正参数值与所述氮氧化物排放量的对应关系; [0019] data holding means for holding the engine speed, the engine torque and the correspondence between the parameter value and the amount of NOx corrected;

[0020] 第二接收单元,在车辆实际运行时,采集发动机的实际转速、氮氧化物实际排放量以及实际修正参数值后,接收所述发动机实际转速、所述氮氧化物实际排放量以及所述实际修正参数值; [0020] The second receiving unit in the vehicle is actually running, the actual engine speed acquisition, the actual emissions of nitrogen oxides and the actual correction parameter value, receiving the actual engine speed and the actual emissions of nitrogen oxides as well as The actual value of said correction parameter;

[0021] 查询单元,用于查询所述发动机转速、所述发动机扭矩以及所述修正参数值与所述氮氧化物排放量的对应关系,获得在车辆实际运行时发动机的实际扭矩; [0021] query unit for querying the engine speed, the engine torque and the corresponding relationship between the parameter value and the correction of the NOx emissions, the actual torque obtaining the actual operation of the engine of the vehicle;

[0022] 确定单元,用于根据所述发动机的实际转速以及所述发动机的实际扭矩,确定发动机的常用工作区。 [0022] determination unit for the actual rotational speed of the engine and the actual torque of the engine, the engine used to determine the work area.

[0023] 相应的,修正参数值包括进气温度、进气压力以及进气湿度; [0023] Accordingly, the correction parameter value comprises an intake air temperature, air pressure and intake air humidity;

[0024] 实际修正参数值包括实际进气温度、实际进气压力以及实际进气湿度。 [0024] The actual correction parameters include the actual intake air temperature, the actual intake pressure and the actual intake air humidity.

[0025] —种测定发动机常用工作区的系统,所述系统包括: [0025] - Determination of engine types commonly used in the work area, the system comprising:

[0026] 发动机台架测试数据采集装置,用于在发动机台架测试时,采集不同发动机转速和发动机扭矩条件下的氮氧化物排放量以及修正参数值; [0026] Engine bench test data acquisition device for the engine test bench, collecting emissions of nitrogen oxides and a correction parameter values at different engine speed and engine torque conditions;

[0027] 路谱数据采集装置,用于在车辆实际运行时,采集发动机的实际转速、氮氧化物实际排放量以及实际修正参数值; [0027] channel spectral data acquisition device for the vehicle is actually running, collecting the actual speed, actual emissions of nitrogen oxides and the actual value of the correction parameter of the engine;

[0028] 发动机常用工作区测定装置,用于接收所述发动机转速、所述发动机扭矩、所述氮氧化物排放量以及所述修正参数值;保存所述发动机转速、所述发动机扭矩以及所述修正参数值与所述氮氧化物排放量的对应关系;接收所述发动机的实际转速、所述氮氧化物实际排放量以及所述实际修正参数值;查询所述发动机转速、所述发动机扭矩以及所述修正参数值与所述氮氧化物排放量的对应关系,获得在车辆实际运行时发动机的实际扭矩;根据所述发动机的实际转速以及所述发动机的实际扭矩,获得发动机的常用工作区。 [0028] common workspace measuring engine means for receiving said engine speed, the engine torque, the NOx emissions and the correction parameter value; storing the engine speed, the engine torque and the correction parameter values corresponding relationship between the nitrogen oxide emissions; receiving the actual engine speed and the actual emissions of nitrogen oxides and the actual correction parameter values; the query engine speed and the engine torque the correspondence between the correction parameter value of the nitrogen oxide emissions, the actual torque obtaining the actual operation of the vehicle engine; according to the actual speed and the actual engine torque of the engine, the engine used to obtain the work area.

[0029] 相应的,修正参数值包括进气温度、进气压力以及进气湿度; [0029] Accordingly, the correction parameter value comprises an intake air temperature, air pressure and intake air humidity;

[0030] 实际修正参数值包括实际进气温度、实际进气压力以及实际进气湿度。 [0030] The actual correction parameters include the actual intake air temperature, the actual intake pressure and the actual intake air humidity.

[0031] 相应的,所述路谱数据采集装置,包括: [0031] Accordingly, the spectral channel data acquisition device, comprising:

[0032] 转速传感器,设置于车辆飞轮壳上,用于采集发动机的实际转速; [0032] The rotation speed sensor, flywheel housing disposed on the vehicle for collecting the actual speed of the engine;

[0033] 氮氧化物测定装置,用于设置于车辆排气管路上,用于采集氮氧化物实际排放量; [0033] NOx measurement means for setting a vehicle exhaust pipe on the road, used to collect actual emissions of nitrogen oxides;

[0034] 温度传感器,用于采集实际进气温度; [0034] a temperature sensor for acquiring the actual intake air temperature;

[0035] 压力传感器,用于采集实际进气压力; [0035] The pressure sensor for acquiring the actual intake pressure;

[0036] 湿度传感器,用于采集实际进气湿度。 [0036] humidity sensor for acquiring the actual intake air humidity.

[0037] 相应的,所述氮氧化物测定装置,包括:氮氧化物传感器或快速氮氧化物分析仪。 [0037] Accordingly, the nitrogen oxide measuring apparatus, comprising: a NOx sensor or a rapid nitrogen oxide analyzer.

[0038] 由此可见,本发明具有如下有益效果: [0038] Thus, the present invention has the following beneficial effects:

[0039] 本发明利用发动机氮氧化物测定装置直接测定氮氧化物实际排放量及相关参数,根据在发动机台架测试时保存的氮氧化物实际排放量及相关参数与发动机扭矩的对应关系,获得发动机的实际扭矩,进而确定发动机常用工作区,测量响应速度快,能够得到更加准确的发动机扭矩,从而提高发动机常用工作区测定的准确度,为发动机性能优化匹配和整车匹配提供更优化的参考。 [0039] The present invention utilizes an engine NOx measurement apparatus directly measuring actual emissions of nitrogen oxides and related parameters, based on the engine test bench to save the actual emissions of nitrogen oxides and related correspondence between the parameters of the engine torque to obtain the actual engine torque, engine and to determine common work area, measuring fast response, can be more accurate engine torque, engine commonly used to improve the accuracy of measuring the work area, optimal matching of engine performance and vehicle matching to provide a more optimized reference .

附图说明 BRIEF DESCRIPTION

[0040] 图1为本发明测定发动机常用工作区方法的流程图; [0040] FIG. 1 is a flowchart invention measured engine common workspace methods;

[0041] 图2为本发明测定发动机常用工作区装置的示意图; [0041] FIG. 2 is a schematic diagram of the engine common work area measuring device;

[0042]图3为本发明测定发动机常用工作区系统的结构示意图; [0042] FIG. 3 is a schematic view of the structure of the invention measured engine common work area systems;

[0043]图4为本发明中路谱数据采集装置的示意图。 [0043] FIG. 4 a schematic view of the present invention Central spectral data acquisition device.

具体实施方式 detailed description

[0044] 为使本发明的上述目的、特征和优点能够更加明显易懂,下面结合附图和具体实施方式对本发明实施例作进一步详细的说明。 [0044] For the above objects, features and advantages of the present invention will be more apparent from the accompanying drawings and the following specific embodiments of the present invention embodiments further described in detail.

[0045] 本发明提供的一种测定发动机常用工作区的方法,是针对现有技术中通过测定增压后压力来推算发动机常用工作区,响应速度慢,测量准确度较低的问题,提出通过测定车辆的氮氧化物(NOx)的排放量,推算发动机的实际扭矩,再根据车辆的实际转速及实际扭矩测定发动机的常用工作区。 [0045] A method of measuring engine common work area of the present invention provides for the prior art to calculate the engine through the common work area measuring supercharging pressure, slow response, low measurement accuracy issue, by emissions of nitrogen oxides (NOx) in the determination of the vehicle, calculate the actual torque of the engine, the engine re-measurement of common work area according to the actual speed and actual torque of the vehicle.

[0046] 基于上述思想,参见图1所示,本发明测定发动机常用工作区的方法,包括以下步骤: [0046] Based on the above thinking, commonly used method for determining engine workspace see Figure 1 of the present invention comprises the following steps:

[0047] 步骤101:在发动机台架测试时,采集不同发动机转速和发动机扭矩条件下的氮氧化物排放量以及修正参数值后,接收发动机转速、发动机扭矩、修正参数值以及氮氧化物排放量。 [0047] Step 101: After the engine test bench, collecting emissions of nitrogen oxides and a correction parameter values at different engine speed and engine torque conditions, receiving the engine speed, engine torque, the correction parameter values, and nitrogen oxide emissions .

[0048] 步骤102:保存发动机转速、发动机扭矩以及修正参数值与氮氧化物排放量的对应关系。 [0048] Step 102: Save the engine speed, engine torque and the corresponding relationship between the correction parameter values and nitrogen oxide emissions.

[0049] 在发动机台架上进行NOx排放量万有特性试验时,测定不同发动机转速和发动机扭矩条件下的氮氧化物排放量,修正参数值可以包括进气温度、进气压力以及进气温度,根据修正参数以及NOx排放量万有特性试验数据,可以建立路谱分析数据库,在路谱分析数据库中保存发动机转速、发动机扭矩以及修正参数值与氮氧化物排放量的对应关系。 [0049] In the engine bench when the NOx emissions universal characteristic test to measure nitrogen oxide emissions at different engine speed and engine torque conditions, the correction parameter values may include intake air temperature, air pressure and intake air temperature , based on the correction parameters and NOx emissions universal characteristic test data, spectral analysis can establish a road database, save the engine speed road spectrum analysis database, as well as correspondence between the engine torque correction parameter values and nitrogen oxide emissions.

[0050] 步骤103:在车辆实际运行时,采集发动机的实际转速、氮氧化物实际排放量以及实际修正参数值后,接收发动机实际转速、氮氧化物实际排放量以及实际修正参数值。 [0050] Step 103: After the vehicle is actually running, collecting the actual speed, actual emissions of nitrogen oxides and the actual value of the correction parameters of the engine, receiving the actual engine speed, actual emissions of nitrogen oxides and the actual correction parameter values.

[0051] 其中,实际修正参数对应于修正参数,实际修正参数值可以包括实际进气温度、实际进气压力以及实际进气湿度。 [0051] wherein, the actual correction parameters corresponding to the correction parameters, the actual value of the correction parameters may include the actual intake air temperature, intake pressure and the actual actual intake air humidity.

[0052] 在进行整车匹配测试时,即车辆实际运行中,通过在车辆飞轮壳上设置的转速传感器采集发动机的实际转速,通过在车辆排气管路上设置的氮氧化物测定装置(例如氮氧化物NOx传感器或快速氮氧化物NOx分析仪)采集氮氧化物实际排放量,通过温度传感器采集实际进气温度,通过压力传感器采集实际进气压力,通过湿度传感器采集实际进气湿度。 [0052] When the vehicle during the test match, that the vehicle is actually run by the vehicle speed sensor on the flywheel housing set collection the actual speed of the engine, by nitrogen oxides measuring device in a vehicle exhaust pipe on the road set (such as nitrogen oxide NOx nitrogen oxides NOx sensor or a fast analyzer) acquisition actual emissions of nitrogen oxides by the temperature sensor to collect the actual intake air temperature, the pressure sensor collect actual intake air pressure, humidity sensor acquisition by the actual intake air humidity.

[0053] 步骤104:查询发动机转速、发动机扭矩以及修正参数值与氮氧化物排放量的对应关系,获得在车辆实际运行时发动机的实际扭矩。 [0053] Step 104: The query engine speed, engine torque and the correction parameter values corresponding relationship between the nitrogen oxide emissions, access to the actual torque of the engine when the vehicle is actually run.

[0054] 发动机在实际工作过程中,在不同的发动机转速下,随着负载的增加,发动机的NOx排放量也是增加的,在测量到发动机实际转速、氮氧化物实际排放量以及实际修正参数值后,可以查询路谱分析数据库,获得在车辆实际运行时发动机的实际扭矩。 [0054] In the actual engine operation, at different engine speeds, as the load increases, NOx emissions of the engine is increased, the measured actual engine speed, actual emissions of nitrogen oxides and the actual value of the correction parameter after, you can query the database path spectrum analysis to obtain the actual torque of the engine when the vehicle is actually run.

[0055] 步骤105:根据发动机的实际转速以及发动机的实际扭矩,确定发动机的常用工作区。 [0055] Step 105: According to the actual engine speed and the actual engine torque, the engine used to determine the work area.

[0056] 发动机的常用工作区是指不同转速和扭矩对应的工作区域,获得发动机的实际转速以及发动机的实际扭矩,即可确定发动机的常用工作区。 [0056] common workspace engine speed and torque refers to the different working areas corresponding to obtain the actual speed and the actual engine torque, the engine, the engine can be determined in the usual work area.

[0057] 这样,利用发动机氮氧化物测定装置直接测定氮氧化物实际排放量及相关参数,根据在发动机台架测试时保存的氮氧化物实际排放量及相关参数与发动机扭矩的对应关系,获得发动机的实际扭矩,进而确定发动机的常用工作区,测量响应速度快,能够得到更加准确的发动机扭矩,从而提高发动机常用工作区测定的准确度,为发动机性能优化匹配和整车匹配提供更优化的参考。 [0057] Thus, the direct determination of the actual emissions of nitrogen oxides and nitrogen oxides using the engine parameters measuring apparatus in accordance with the engine test bench to save the actual emissions of nitrogen oxides and related correspondence between the parameters of the engine torque to obtain the actual engine torque, engine and to determine a common work area, measuring fast response, can be more accurate engine torque, engine commonly used to improve the accuracy of measuring the work area, optimal matching of engine performance and vehicle matching provided more optimized reference.

[0058] 相应的,参见图2所示,本发明还提供一种测定发动机常用工作区的装置,该装置包括: [0058] Accordingly, as shown in Figure 2, the present invention also provides a means of measuring the engine common work area, the apparatus comprising:

[0059] 第一接收单元21、数据保存单元22、第二接收单元23、查询单元24以及确定单元25。 [0059] The first receiving unit 21, data storage unit 22, second receiving unit 23, an inquiry unit 24 and a determination unit 25.

[0060] 其中,第一接收单元21,用于在发动机台架测试时,采集不同发动机转速和发动机扭矩条件下的氮氧化物排放量以及修正参数值后,接收发动机转速、发动机扭矩、修正参数值以及氮氧化物排放量; After [0060] wherein the first receiving unit 21, is used when the engine bench testing, and collecting NOx emissions correction values for the various parameters of engine speed and engine torque condition, receives engine speed, engine torque, the correction parameter values, and nitrogen oxide emissions;

[0061] 数据保存单元22,用于保存发动机转速、发动机扭矩以及修正参数值与氮氧化物排放量的对应关系; [0061] Data storage unit 22 for holding the engine speed, engine torque and the corresponding relationship between the correction parameter values and nitrogen oxide emissions;

[0062] 第二接收单元23,用于在车辆实际运行时,采集发动机的实际转速、氮氧化物实际排放量以及实际修正参数值后,接收发动机实际转速、氮氧化物实际排放量以及实际修正参数值; [0062] The second receiving unit 23 for the actual operation of the vehicle, the actual engine rotation speed acquisition, actual emissions of nitrogen oxides and the actual value of the correction parameter, receiving the actual engine speed, actual emissions of nitrogen oxides and the actual correction parameter value;

[0063] 查询单元24,用于查询发动机转速、发动机扭矩以及修正参数值与氮氧化物排放量的对应关系,获得在车辆实际运行时发动机的实际扭矩; [0063] inquiry unit 24 for query engine speed, engine torque and the correction parameter values corresponding relationship between the nitrogen oxide emissions, access to vehicle actual torque in the actual operation of the engine;

[0064] 确定单元25,用于根据发动机的实际转速以及发动机的实际扭矩,确定发动机的常用工作区。 [0064] determination unit 25, and the actual speed to the actual engine torque of the engine, the engine used to determine the work area.

[0065] 在上述实施例中,修正参数值可以包括进气温度、进气压力以及进气湿度;实际修正参数值可以包括实际进气温度、实际进气压力以及实际进气湿度。 [0065] In the above embodiment, the correction parameter values may include intake air temperature, air pressure and intake air humidity; actual correction parameter values can include the actual intake air temperature, the actual intake pressure and the actual intake air humidity.

[0066] 第二接收单元23,具体用于在车辆实际运行时,通过在车辆飞轮壳上设置的转速传感器采集发动机的实际转速,通过在车辆排气管路上设置的氮氧化物测定装置采集氮氧化物实际排放量,通过温度传感器采集实际进气温度,通过压力传感器采集实际进气压力,通过湿度传感器采集实际进气湿度后,接收发动机实际转速、氮氧化物实际排放量以及实际修正参数值。 [0066] The second receiving unit 23, specifically for the actual operation of the vehicle by the vehicle speed sensor on the flywheel housing to set the actual engine speed acquisition, the acquisition means nitrogen determined by nitrogen oxides in the exhaust pipe of the vehicle on the road set actual emissions of oxides, by the temperature sensor to collect the actual intake air temperature, the pressure sensor collect actual intake pressure, and humidity sensor acquisition through after the actual intake air humidity, receiving the actual engine speed, actual emissions of nitrogen oxides and the actual value of the correction parameter .

[0067] 其中,氮氧化物测定装置可以为氮氧化物传感器或者快速氮氧化物分析仪。 [0067] wherein the means for measuring nitrogen oxides NOx sensor or a rapid nitrogen oxide analyzer.

[0068] 相应的,参见图3所示,本发明还提供一种测定发动机常用工作区的系统,该系统包括: [0068] Accordingly, as shown in Figure 3, the present invention also provides a system for measuring engine common work area, the system comprising:

[0069] 发动机台架测试数据采集装置1、路谱数据采集装置3以及发动机常用工作区测定装置2。 [0069] Engine bench test data acquisition device 1, 3 and engine common workspace road spectrum data acquisition device measuring device 2.

[0070] 其中,发动机台架测试数据采集装置1,用于在发动机台架测试时,采集不同发动机转速和发动机扭矩条件下的氮氧化物排放量以及修正参数值; [0070] wherein the engine bench test data acquisition device 1, for the engine test bench, collecting emissions of nitrogen oxides and a correction parameter values at different engine speed and engine torque conditions;

[0071] 路谱数据采集装置3,用于在车辆实际运行时,采集发动机的实际转速、氮氧化物实际排放量以及实际修正参数值; [0071] channel spectral data collection device 3, for actual vehicle operation, collecting the actual speed, actual emissions of nitrogen oxides and the actual value of the correction parameter of the engine;

[0072] 发动机常用工作区测定装置2,用于接收发动机转速、发动机扭矩、氮氧化物排放量以及修正参数值;保存发动机转速、发动机扭矩以及修正参数值与氮氧化物排放量的对应关系;接收发动机的实际转速、氮氧化物实际排放量以及实际修正参数值;查询发动机转速、发动机扭矩以及修正参数值与氮氧化物排放量的对应关系,获得在车辆实际运行时发动机的实际扭矩;根据发动机的实际转速以及发动机的实际扭矩,获得发动机的常用工作区。 [0072] Determination of engine common workspace 2, engine torque, nitrogen oxide emissions and a correction parameter values for the engine speed receiving means; save the engine speed, engine torque and the corresponding relationship between the correction parameter values and nitrogen oxide emissions; receiving actual engine speed, actual emissions of nitrogen oxides and the actual correction parameter values; the query engine speed, engine torque and the correction parameter values corresponding relationship between the nitrogen oxide emissions, access to vehicle actual torque in the actual operation of the engine; according to actual speed and the actual engine torque of the engine, the engine used to obtain the work area.

[0073] 其中,发动机常用工作区测定装置2可以是上述实施例中的一种测定发动机常用工作区的装置。 [0073] wherein, engine common workspace may be a device measuring apparatus 2 of the above-described embodiment of the engine used for the determination of the work area.

[0074]另外,参见图4所示,路谱数据采集装置3可以包括:转速传感器31、氮氧化物测定装置32、温度传感器33、压力传感器34以及湿度传感器35。 [0074] Further, referring to Figure 4, the channel 3 may spectral data collection device comprising: a speed sensor 31, a NOx measuring device 32, a temperature sensor 33, a pressure sensor 34 and a humidity sensor 35.

[0075] 其中,转速传感器31,设置于车辆飞轮壳上,用于采集发动机的实际转速; [0075] wherein the speed sensor 31, the flywheel housing disposed on the vehicle for acquiring the actual rotational speed of the engine;

[0076] 氮氧化物测定装置32,用于设置于车辆排气管路上,用于采集氮氧化物实际排放量;氮氧化物测定装置32可以是氮氧化物传感器或者快速氮氧化物分析仪。 [0076] NOx measurement means 32, provided for the discharge line to the vehicle, for acquiring the actual NOx emissions; NOx measuring device 32 may be a sensor of nitrogen oxides NOx analyzer or fast.

[0077] 温度传感器33,用于采集实际进气温度; [0077] Temperature sensor 33 for collecting the actual intake air temperature;

[0078] 压力传感器34,用于采集实际进气压力; [0078] a pressure sensor 34 for collecting the actual intake pressure;

[0079] 湿度传感器35,用于采集实际进气湿度。 [0079] humidity sensor 35 for acquiring the actual intake air humidity.

[0080] 修正参数值可以包括进气温度、进气压力以及进气湿度;实际修正参数值可以包括实际进气温度、实际进气压力以及实际进气湿度。 [0080] correction parameter values may include intake air temperature, air pressure and intake air humidity; actual correction parameter values can include the actual intake air temperature, the actual intake pressure and the actual intake air humidity.

[0081] 本系统的工作原理是: [0081] The working principle is:

[0082] 发动机台架测试数据采集装置1在发动机台架测试时,采集不同发动机转速和发动机扭矩条件下的氮氧化物排放量以及修正参数值; [0082] Engine bench test data acquisition device 1 when the engine bench testing, acquisition NOx emissions and a correction parameter values at different engine speed and engine torque conditions;

[0083] 发动机常用工作区测定装置2接收发动机转速、发动机扭矩、氮氧化物排放量以及修正参数值,并保存发动机转速、发动机扭矩以及修正参数值与氮氧化物排放量的对应关系; [0083] engine common workspace measuring device 2 receives engine speed, engine torque, nitrogen oxide emissions and a correction parameter values and save the engine speed, engine torque and the corresponding relationship between the correction parameter values and nitrogen oxide emissions;

[0084] 路谱数据采集装置3在车辆实际运行时,采集发动机的实际转速、氮氧化物实际排放量以及实际修正参数值,具体可以通过转速传感器31采集发动机的实际转速、通过氮氧化物测定装置32采集氮氧化物实际排放量、通过温度传感器33采集实际进气温度、通过压力传感器采集实际进气压力、通过湿度传感器35采集实际进气湿度; [0084] channel spectral data acquisition device 3 in the vehicle is actually running, the actual collection of the engine speed, actual emissions of nitrogen oxides and the actual correction parameter values, specifically the actual speed of the engine can be collected by the speed sensor 31, measured by nitrogen oxides 32 acquisition actual emissions of nitrogen oxides by the temperature sensor 33 capture actual intake air temperature, the pressure sensor collect actual intake air pressure, humidity sensor 35 by collecting the actual intake air humidity;

[0085] 发动机常用工作区测定装置2接收发动机的实际转速、氮氧化物实际排放量以及实际修正参数值;查询发动机转速、发动机扭矩以及修正参数值与氮氧化物排放量的对应关系,获得在车辆实际运行时发动机的实际扭矩;根据发动机的实际转速以及发动机的实际扭矩,最终获得发动机的常用工作区。 [0085] engine common workspace determine the actual speed, actual emissions of nitrogen oxides and the actual value of the correction parameter 2 receives engine means; query engine speed, engine torque correction parameter values and the corresponding relation with the nitrogen oxide emissions in the vehicle is actually running the actual torque of the engine; the actual speed and the actual engine torque of the engine, the engine ultimately a common workspace.

[0086] 这样,利用发动机氮氧化物测定装置直接测定氮氧化物实际排放量及相关参数,根据在发动机台架测试时保存的氮氧化物实际排放量及相关参数与发动机扭矩的对应关系,获得发动机的实际扭矩,进而确定发动机的常用工作区,测量响应速度快,能够得到更加准确的发动机扭矩,从而提高发动机常用工作区测定的准确度,为发动机性能优化匹配和整车匹配提供更优化的参考。 [0086] Thus, the direct determination of the actual emissions of nitrogen oxides and nitrogen oxides using the engine parameters measuring apparatus in accordance with the engine test bench to save the actual emissions of nitrogen oxides and related correspondence between the parameters of the engine torque to obtain the actual engine torque, engine and to determine a common work area, measuring fast response, can be more accurate engine torque, engine commonly used to improve the accuracy of measuring the work area, optimal matching of engine performance and vehicle matching provided more optimized reference.

[0087] 需要说明的是,本说明书中各个实施例采用递进的方式描述,每个实施例重点说明的都是与其他实施例的不同之处,各个实施例之间相同相似部分互相参见即可。 [0087] It should be noted that the present specification, the various embodiments described by way of using progressive, different from all the other embodiments of the highlights of each example embodiment, the same or similar portion between the various embodiments refer to each other that is can. 对于实施例公开的系统或装置而言,由于其与实施例公开的方法相对应,所以描述的比较简单,相关之处参见方法部分说明即可。 For a system or apparatus embodiments disclosed, since it corresponds to the method disclosed embodiments, the description is relatively simple, see the Methods section for instructions to place.

[0088] 还需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。 [0088] It is further noted that, as used herein, relational terms such as first and second, and the like are merely used to distinguish one entity or the operating entity or another separate operating area, without necessarily requiring or implying these the actual existence of any such relationship or order between entities or operations. 而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。 Moreover, the term "comprising", "including" or any other variation thereof are intended to cover a non-exclusive inclusion, such that a series of factors including the process, method, article, or apparatus includes not only those elements, but also not explicitly listed the other elements, or further comprising for such process, method, article or device inherent feature. 在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。 Without more constraints, by the statement "includes a ......" defining element does not exclude the presence of other elements including the same elements process, method, article or device.

[0089] 结合本文中所公开的实施例描述的方法或算法的步骤可以直接用硬件、处理器执行的软件模块,或者二者的结合来实施。 [0089] The combination of steps disclosed herein a method or algorithm described embodiments may be directly in hardware, in a software module executed by a processor, or a combination of the two embodiments. 软件模块可以置于随机存储器(RAM)、内存、只读存储器(ROM)、电可编程R0M、电可擦除可编程R0M、寄存器、硬盘、可移动磁盘、CD-ROM、或技术领域内所公知的任意其它形式的存储介质中。 A software module can be placed in a random access memory (RAM), memory, a read only memory (ROM), electrically programmable R0M, electrically erasable programmable R0M, registers, a hard disk, a removable disk, CD-ROM, or within the technical field known any other form of storage medium.

[0090] 对所公开的实施例的上述说明,使本领域专业技术人员能够实现或使用本发明。 [0090] The previous description of the disclosed embodiments, so that the skilled in the art to make or use the invention. 对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的,本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下,在其它实施例中实现。 These various modifications to the field of professional and technical personnel embodiments will be apparent, the general principles defined herein may be made without departing from the spirit or scope of the present invention, the realization in the other embodiments. 因此,本发明将不会被限制于本文所示的这些实施例,而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。 Accordingly, the present invention will not be limited to these embodiments shown herein, but is to be accorded the consistent with the principles disclosed herein, and novel features of the widest range.

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Classifications
International ClassificationG01M15/00
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