CN102582066A - Control device of blow-molding machine heating system - Google Patents
Control device of blow-molding machine heating system Download PDFInfo
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- CN102582066A CN102582066A CN2012100621987A CN201210062198A CN102582066A CN 102582066 A CN102582066 A CN 102582066A CN 2012100621987 A CN2012100621987 A CN 2012100621987A CN 201210062198 A CN201210062198 A CN 201210062198A CN 102582066 A CN102582066 A CN 102582066A
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Abstract
The invention discloses a cheap control device of a blow-molding machine heating system with a power driving unit with high output stability and precision. The control device comprises the power driving unit, a microprocessor unit, a communication unit, an address setting unit, a feedback detecting unit and a power supply distribution unit, wherein the power output end of the power supply distribution unit is connected with the power input end of the power driving unit; the microprocessor unit is connected with the feedback detecting unit through an A/D (Analog to Digital) input unit, the feedback detecting unit is connected with the feedback end of the power driving unit, and the microprocessor unit is connected with the control end of the power driving unit through a D/A (Digital to Analog) output unit; and the communication input end of the microprocessor unit is connected with the output end of the communication unit, the communication output end of the microprocessor unit is connected with the input end of the communication unit, and the output end of the address setting unit is connected with the address input end of the microprocessor unit. The output stability and precision of the power driving unit are greatly improved through digital communication and closed-loop control.
Description
Technical field
The present invention relates to the blow moulding machine heating system, refer more particularly to the control device of blow moulding machine heating system.
Background technology
At present, traditional blow moulding machine heating system generally includes host computer (adopting programmable logic controller (PLC) usually) and main control device and the infrared lamp that is made up of analog input unit, power drive unit and power distribution unit.Owing to need the expensive digital-to-analogue of the price eighteenth of the twenty (D/A) modular converter during the direct driving power driver element of programmable logic controller (PLC), make that the cost of whole heating system is higher, influence the market competitiveness; And; Programmable logic controller (PLC) is through the voltage signal of 1～5 volt of digital-to-analogue (D/A) modular converter output or the direct driving power driver element of current signal of 4～20mA; Power drive unit and programmable logic controller (PLC) do not have the detection feedback unit; Can not OBD, can not form closed-loop control; And well-known, the antijamming capability of analog signal is relatively poor, and the longer decay of cable is big more, makes input signal unstable, and the instability of input signal directly has influence on the output accuracy and the stability of power drive unit; In addition, the fluctuation of electrical network also is to influence the stable key factor of power drive unit.Power drive unit output accuracy and stability directly have influence on the blowing effect.
Summary of the invention
Technical problem to be solved by this invention is: the control device that the high blow moulding machine heating system of the output lasting accuracy of a kind of cheapness, power drive unit is provided.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: the control device of blow moulding machine heating system; Comprise: power drive unit, microprocessor unit, D/A output unit, A/D input block, communication unit, address setting unit, detection feedback unit and power distribution unit; The input of power distribution unit links to each other with the AC power supplies input; The power take-off of power distribution unit links to each other with the power input of power drive unit; The power take-off of microprocessor unit links to each other with the input of D/A output unit, and the output of D/A output unit links to each other with the input control end of power drive unit, and the communication input of microprocessor unit links to each other with the output of communication unit; The communication output of microprocessor unit links to each other with the input of communication unit, and the output of address setting unit links to each other with the address input end of microprocessor unit; The input of detection feedback unit links to each other with the power drive unit feedback output end, and the output of detection feedback unit links to each other with the input of A/D input block, and the output of A/D input block links to each other with the feedback input end of microprocessor unit.
Described control device also includes the feedback output unit, and the input of feedback output unit links to each other with the output of detection feedback unit.
Described control device also includes: analog input unit and A/D input block, and the output of analog input unit links to each other with the input of A/D input block, and the output of A/D input block links to each other with the signal input part of microprocessor unit.
The invention has the beneficial effects as follows: the present invention adopts microprocessing unit to obtain power output parameter with the digital communication pattern from host computer through communication unit; Thereby improved the antijamming capability of input cable greatly; And power drive unit feeds back to microprocessing unit through the detection feedback unit with the output situation of power drive unit, makes microprocessing unit can in time adjust the output of power drive unit; Form closed-loop control; Play pressure stabilization function, eliminated the influence that power network fluctuation causes power drive unit, improved the stability and the precision of power drive unit greatly; Simultaneously, the cost of D/A output unit than with cheap many of supporting digital-to-analogue (D/A) modular converter of programmable logic controller (PLC), thereby greatly reduce the cost of manufacture of whole heating system; In addition, also increase the feedback output unit, can observe the output situation of power drive unit intuitively, greatly facilitated debugging work; In addition, also kept the analog signal unit, although the decay on the circuit is arranged, owing to adopted closed-loop control, thus improved the stability and the precision of power output.
Description of drawings
Fig. 1 is an electric theory structure sketch map of the present invention.
Among the figure: 1, analog input unit, 2, single-chip microcomputer, 21, the A/D input block, 22, microprocessor unit; 23, A/D input block, 24, the D/A output unit, 3, communication unit, 4, the address setting unit; 5, power drive unit, 6, infrared lamp, 7, the detection feedback unit, 8, the feedback output unit; 9, host computer, 10, AC power supplies input, 11, power distribution unit.
The specific embodiment
As shown in Figure 1; The control device of blow moulding machine heating system; Comprise: analog input unit 1, A/D input block 21, microprocessor unit 22, A/D input block 23, D/A output unit 24, communication unit 3, address setting unit 4, power drive unit 5, detection feedback unit 7, feedback output unit 8 and power distribution unit 11; The input of power distribution unit 11 links to each other with AC power supplies input 10; The power take-off of power distribution unit 11 links to each other with the power input of power drive unit 5; Power distribution unit 11 comprises that also the IC chip in promising each unit provides the working power of direct-current working volts; The power take-off of microprocessor unit 22 links to each other with the input of D/A output unit 24, and the output of D/A output unit 24 links to each other with the input control end of power drive unit 5, and the communication input of microprocessor unit 22 links to each other with the output of communication unit 3; The communication output of microprocessor unit 22 links to each other with the input of communication unit 3, and the output of address setting unit 4 links to each other with the address input end of microprocessor unit 22; The input of detection feedback unit 7 links to each other with power drive unit 5 feedback output ends; The output of detection feedback unit 7 links to each other with the input of A/D input block 23 and the input of feedback output unit 8, and the output of A/D input block 23 links to each other with the feedback input end of microprocessor unit 22; The output of analog input unit 1 links to each other with the input of A/D input block 21, and the output of A/D input block 21 links to each other with the signal input part of microprocessor unit 22.
During practical application; Can adopt the single-chip microcomputer 2 that has mould/number (A/D) and D/A (D/A) port; Microprocessor unit 22 is not as single-chip microcomputer independently; By two mould/numbers (A/D) port of single-chip microcomputer 2 respectively as A/D input block 21 and A/D input block 23, by D/A (D/A) port of single-chip microcomputer 2 as D/A output unit 24; Described communication unit 3 can adopt the chip of 485 serial bus communications such as grade.
During use, the power take-off of power drive unit 5 is linked to each other with infrared lamp 6, set different address to control device, make host computer 9 link to each other with a plurality of control device of the present invention with communication unit 3 through 485 buses through address setting unit 4.
Claims (3)
1. the control device of blow moulding machine heating system; Comprise: power drive unit (5); It is characterized in that; Described control device also includes: microprocessor unit (22), A/D input block (23), D/A output unit (24), communication unit (3), address setting unit (4), detection feedback unit (7) and power distribution unit (11); The input of power distribution unit (11) links to each other with AC power supplies input (10); The power take-off of power distribution unit (11) links to each other with the power input of power drive unit (5), and the power take-off of microprocessor unit (22) links to each other with the input of D/A output unit (24), and the output of D/A output unit (24) links to each other with the input control end of power drive unit (5); The communication input of microprocessor unit (22) links to each other with the output of communication unit (3); The communication output of microprocessor unit (22) links to each other with the input of communication unit (3), and the output of address setting unit (4) links to each other with the address input end of microprocessor unit (22); The input of said detection feedback unit (7) links to each other with power drive unit (5) feedback output end; The output of detection feedback unit (7) links to each other with the input of A/D input block (23), and the output of A/D input block (23) links to each other with the feedback input end of microprocessor unit (22).
2. the control device of blow moulding machine heating system as claimed in claim 1 is characterized in that, described control device also includes feedback output unit (8), and the input of feedback output unit (8) links to each other with the output of said detection feedback unit (7).
3. according to claim 1 or claim 2 the control device of blow moulding machine heating system; It is characterized in that; Described control device also includes: analog input unit (1) and A/D input block (21); The output of analog input unit (1) links to each other with the input of A/D input block (21), and the output of A/D input block (21) links to each other with the signal input part of microprocessor unit (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100621987A CN102582066B (en) | 2012-03-10 | 2012-03-10 | Control device of blow-molding machine heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100621987A CN102582066B (en) | 2012-03-10 | 2012-03-10 | Control device of blow-molding machine heating system |
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| CN102582066A true CN102582066A (en) | 2012-07-18 |
| CN102582066B CN102582066B (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100621987A Active CN102582066B (en) | 2012-03-10 | 2012-03-10 | Control device of blow-molding machine heating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228389A (en) * | 2019-05-31 | 2019-09-13 | 重庆国翰能源发展有限公司 | A kind of power distribution system and method for direct-current charging post |
| CN112677453A (en) * | 2020-12-24 | 2021-04-20 | 东莞市创一机械科技有限公司 | Control system and control method for full-biodegradation film blowing machine |
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| US20050194705A1 (en) * | 2004-03-03 | 2005-09-08 | Smith Roger P. | Plastic forming process monitoring and control |
| CN101138884A (en) * | 2006-09-04 | 2008-03-12 | 广西工学院 | Full-automatic injecting blowing plastic hollow molding machine control device and cybernation method thereof |
| CN201471698U (en) * | 2009-07-30 | 2010-05-19 | 桂林星辰科技有限公司 | Energy saving servo hydraulic control system of injection machine |
| US8049442B2 (en) * | 2008-10-23 | 2011-11-01 | Foxnum Technology Co., Ltd. | Electric injection molding machine |
| CN202462863U (en) * | 2012-03-10 | 2012-10-03 | 江苏新美星包装机械有限公司 | Control device of heating system of blow molding machine |
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2012
- 2012-03-10 CN CN2012100621987A patent/CN102582066B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050194705A1 (en) * | 2004-03-03 | 2005-09-08 | Smith Roger P. | Plastic forming process monitoring and control |
| CN101138884A (en) * | 2006-09-04 | 2008-03-12 | 广西工学院 | Full-automatic injecting blowing plastic hollow molding machine control device and cybernation method thereof |
| US8049442B2 (en) * | 2008-10-23 | 2011-11-01 | Foxnum Technology Co., Ltd. | Electric injection molding machine |
| CN201471698U (en) * | 2009-07-30 | 2010-05-19 | 桂林星辰科技有限公司 | Energy saving servo hydraulic control system of injection machine |
| CN202462863U (en) * | 2012-03-10 | 2012-10-03 | 江苏新美星包装机械有限公司 | Control device of heating system of blow molding machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228389A (en) * | 2019-05-31 | 2019-09-13 | 重庆国翰能源发展有限公司 | A kind of power distribution system and method for direct-current charging post |
| CN112677453A (en) * | 2020-12-24 | 2021-04-20 | 东莞市创一机械科技有限公司 | Control system and control method for full-biodegradation film blowing machine |
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| CN102582066B (en) | 2013-12-11 |
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Address after: The Southern District of Zhangjiagang Economic Development Zone of Suzhou City, Jiangsu province 215600 (Xinjing Road) Jiangsu newamstar packaging machinery Limited by Share Ltd Applicant after: Jiangsu Newamstar Packagin Machinery Co., Ltd. Address before: The Southern District of Zhangjiagang Economic Development Zone of Suzhou City, Jiangsu province 215600 (Xinjing Road) newamstar Packaging Machinery Co. Applicant before: Jiangsu Newamstar Packaging Machinery Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: NEWAMSTA, LTD. TO: JIANGSU NEWAMSTAR PACKAGING MACHINERY CO., LTD. |
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