CN104510330B - Pressure sensor and pressure cooker - Google Patents
Pressure sensor and pressure cooker Download PDFInfo
- Publication number
- CN104510330B CN104510330B CN201310451308.3A CN201310451308A CN104510330B CN 104510330 B CN104510330 B CN 104510330B CN 201310451308 A CN201310451308 A CN 201310451308A CN 104510330 B CN104510330 B CN 104510330B
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- Prior art keywords
- pressure sensor
- elastic sealing
- pressure
- sealing element
- support member
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Abstract
The invention discloses a kind of pressure sensor and pressure cooker, the pressure sensor includes：There is pressure detecting chamber in housing, the housing；Elastic sealing element, the elastic sealing element is located at the pressure detecting intracavitary, and the elastic sealing element is by the pressure detecting chamber sealed separation into confined space and the pilot passage being in communication with the outside；Sensing element, the sensing element is located in the confined space.Pressure sensor according to embodiments of the present invention has the advantages that to be hardly damaged, dependable performance, service life are long.
Description
Technical field
The present invention relates to field of household appliances, in particular to a kind of pressure sensor and with the pressure sensor
Pressure cooker.
Background technology
The existing direct sensed pressure of pressure sensor, once working environment is poor, foreign matter, impurity etc. can touch sensing
Element, influences the performance of sensing element, even results in sensing element damage,
The content of the invention
It is contemplated that at least solving one of above-mentioned technical problem of the prior art to a certain extent.Therefore, this hair
A bright purpose is to propose a kind of pressure sensor, and the pressure sensor can realize indirect sensed pressure, with being difficult
The advantages of damage, dependable performance, long service life.
It is another object of the present invention to propose a kind of pressure cooker with the pressure sensor.
To achieve the above object, the first aspect of the present invention proposes a kind of pressure sensor, and the pressure sensor includes：
There is pressure detecting chamber in housing, the housing；Elastic sealing element, the elastic sealing element is located at the pressure detecting intracavitary,
The elastic sealing element is by the pressure detecting chamber sealed separation into confined space and the pilot passage that is in communication with the outside；Sensing element
Part, the sensing element is located in the confined space.
Pressure sensor according to embodiments of the present invention by setting the elastic sealing element in the pressure detecting intracavitary,
The elastic sealing element can be utilized the pressure detecting chamber sealed separation into the confined space and the pilot passage, will
The sensing element is placed in the confined space, can change the confined air when pressure is extruded the elastic sealing element
Interior pressure, so that indirectly-acting realizes the function of the pressure sensor indirect detection pressure in the sensing element.Tool
Say, the pressure in the pilot passage can act on the part that the elastic sealing element is exposed to the pilot passage, enter body
And the pressure size in the confined space can be changed, the sensing element by perceiving the pressure in the confined space and
The pressure in the pilot passage is perceived indirectly.Because the pressure sensor uses indirect pressure-sensitive mode, it can so ensure
The sensing element is not affected by the external environment.That is, no matter how poor working environment is, foreign matter and impurity all can be by the bullets
Property seal is blocked without being come in contact with the sensing element, thus can not only ensure the property of the sensing element
Can be reliable, and the sensing element can be avoided to be damaged by foreign matter.In brief, the pressure sensor is by using indirect
The mode of pressure-sensitive, can not only realize the function of accurate detection pressure, and the sensing element can be isolated from the outside, right
The sensing element plays a good protection.Therefore, according to the present invention pressure sensor have be hardly damaged, performance can
Lean on, the advantages of service life is long.
In addition, pressure sensor according to the above embodiment of the present invention can also have technical characteristic additional as follows：
According to one embodiment of present invention, the housing includes base and end cap, and the end cap seal is connected to described
The pressure detecting chamber is limited jointly on base and with the base.The assembling of the pressure sensor so can be made more
It is convenient.
According to one embodiment of present invention, the sensing element includes：Circuit board, the circuit board is located at described closed
In space；And chip, the chip is located on the circuit board.It is possible thereby to realize the pressure detecting work(of the sensing element
Can, and the sensing element is simple in construction, easy to manufacture.
According to one embodiment of present invention, the sensing element also includes connecting line, and the end cap is provided with through hole, institute
The one end for stating connecting line is connected on the circuit board and the other end stretches out the confined space from the through hole.So can be so as to
Installed in the connection of the pressure sensor.
According to one embodiment of present invention, between the end cap and the base be provided with sealing ring, the connecting line and
End cap seal part is provided between the end cap.It is possible thereby to ensure between the end cap, the base and the connecting line
Sealing.
According to one embodiment of present invention, the end cap is provided with mounting groove, and the sealing ring is located at the mounting groove
It is interior.It so can further improve the sealing of the end cap and base connection.
According to one embodiment of present invention, the periphery edge of the elastic sealing element is connected with the sealing ring.Thus may be used
To improve the sealing of the confined space.
According to one embodiment of present invention, sealing medium is filled with the confined space.Thus it can equally ensure
Sealing between the end cap, the base and the connecting line.
According to one embodiment of present invention, the support for being used for supporting the sensing element is provided with the confined space
Part, the edge of the elastic sealing element is clamped between the support member and the base.Thus the biography can not only be improved
Stability of the sensing unit in the confined space, and can be in order to the positioning of the elastic sealing element.
According to one embodiment of present invention, the cross section of the support member is on annular, the periphery wall of the support member
Provided with fitting recess, the edge of the elastic sealing element coordinates in the fitting recess.It is possible thereby to improve the elastic sealing element
Position stability.
According to one embodiment of present invention, the cross section of the support member is provided with for annular and described support member and turned up
Side, the flanging is provided with locating slot, and the edge of the elastic sealing element coordinates in the locating slot.It is possible thereby to ensure
The position of the elastic sealing element is stable, and beneficial to the perceived accuracy for improving the sensing element.
According to one embodiment of present invention, the support member is integrally formed with the elastic sealing element.It is possible thereby to enter
One step improves the sealing of the confined space.
According to one embodiment of present invention, the elastic sealing element has induction region, and the induction region is exposed to
The pilot passage.So not only can be in order to the pressure described in the sensing element indirect detection in pilot passage, Er Qieke
To improve the structural strength of the elastic sealing element.
The second aspect of the present invention proposes a kind of pressure cooker, and the pressure cooker includes described according to the first aspect of the invention
Pressure sensor.
Pressure cooker according to embodiments of the present invention by using pressure sensor described according to the first aspect of the invention,
Normal work is remained able under some rugged environments, has the advantages that dependable performance, service life are long.
Brief description of the drawings
Fig. 1 is the structural representation of pressure sensor according to embodiments of the present invention.
Fig. 2 is the sectional view of pressure sensor according to an embodiment of the invention.
Fig. 3 is the sectional view of pressure sensor in accordance with another embodiment of the present invention.
Fig. 4 is the sectional view of pressure sensor in accordance with another embodiment of the present invention.
Fig. 5 is the sectional view of pressure sensor in accordance with another embodiment of the present invention.
Fig. 6 is the sectional view of pressure sensor in accordance with another embodiment of the present invention.
Reference：Pressure sensor 1, housing 100, base 110, end cap 120, pressure detecting chamber 130, confined space
131st, pilot passage 132, elastic sealing element 200, induction region 210, sensing element 300, circuit board 310, chip 320, connection
Line 330, sealing ring 400, sealing medium 500, support member 600, flanging 610, end cap seal part 700.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Pressure sensor 1 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 6.As shown in figs 1 to 6, according to this
The pressure sensor 1 of inventive embodiments includes housing 100, elastic sealing element 200 and sensing element 300.
There is pressure detecting chamber 130 in housing 100.Elastic sealing element 200 is located in pressure detecting chamber 130, elastic packing
Part 200 is by the sealed separation of pressure detecting chamber 130 into confined space 131 and the pilot passage 132 that is in communication with the outside.Sensing element
300 are located in confined space 131.
Pressure sensor 1 according to embodiments of the present invention by setting elastic sealing element 200 in the pressure detecting chamber 130,
Elastic sealing element 200 can be utilized into confined space 131 and pilot passage 132, will to sense the sealed separation of pressure detecting chamber 130
Element 300 is placed in confined space 131, can change the pressure in confined space 131 when pressure is extruded elastic sealing element 200
Power, so that indirectly-acting realizes the function of the indirect detection pressure of pressure sensor 1 in sensing element 300.Specifically, pilot
Pressure in passage 132 can act on elastic sealing element 200 and be exposed to the part of pilot passage 132, and then can change closed
Pressure size in space 131, sensing element 300 perceives pilot passage indirectly by perceiving the pressure in confined space 131
Pressure in 132.Because pressure sensor 1 uses indirect pressure-sensitive mode, it can so ensure sensing element 300 not by extraneous ring
Border influences.That is, no matter how poor working environment is, foreign matter and impurity all can block by elastic sealing element 200 without
Come in contact with sensing element 300, thus can not only ensure the dependable performance of sensing element 300, and sensing can be avoided
Element 300 is damaged by foreign matter.In brief, pressure sensor 1 is by using the mode of indirect pressure-sensitive, and it is accurate to realize
The function of pressure is detected, and sensing element 300 can be isolated from the outside, good protection is played to sensing element 300 and is made
With.Therefore, pressure sensor 1 according to embodiments of the present invention have the advantages that to be hardly damaged, dependable performance, service life it is long.
Wherein, it can be air in confined space 131, filler can also be injected.
Further, as shown in figs 2-4, elastic sealing element 200 can have induction region 210, and induction region 210 can
So that exposed to pilot passage 132, induction region 210 can be protruded with guide pressure passageway 132.Pressure effect in pilot passage 132
In the pressure on induction region 210, and then in change confined space 131.By setting induction region on elastic sealing element 200
210, not only can be in order to the pressure in the indirect detection pilot passage 132 of sensing element 300, and elastic sealing element can be improved
200 structural strength, it is to avoid be used for a long time and occur damaged.
Fig. 1-Fig. 6 shows pressure sensor 1 according to an embodiment of the invention.As Figure 1-Figure 4, housing 100
Base 110 and end cap 120 can be included, end cap 120 can be sealedly connected on base 110 and end cap 120 can be with base 110
Pressure detecting chamber 130 is limited jointly.So sensing element 300 and elastic sealing element 200 first can be arranged on pressure detecting
After in chamber 130, then end cap 120 is sealedly connected on base 110.It is possible thereby to be easy to sensing element 300 and elastic sealing element
200 installation, you can so that the assembling of pressure sensor 1 more facilitates.
As shown in Fig. 2-Fig. 6, sensing element 300 can include circuit board 310 and chip 320.Circuit board 310 can be located at
In confined space 131.Chip 320 can be located on circuit board 310.Specifically, chip 320 can be relative with pilot passage 132.
Chip 320 perceives the pressure in confined space 131 and transmits a signal to circuit board 310.It is possible thereby to realize sensing element 300
Pressure detecting function, and sensing element 300 is simple in construction, easy to manufacture.
Wherein, sensing element 300 can also include that through hole can be provided with connecting line 330, end cap 120, connecting line 330
One end can be connected on circuit board 310 and the other end of connecting line 330 can stretch out confined space 131 from the through hole.Electricity
Road plate 310 transmits pressure signal to governor circuit by connecting line 330.It can so pacify in order to the connection of pressure sensor 1
Dress.
In one embodiment of the invention, in order to ensure the sealing between end cap 120, base 110 and connecting line 330
Property, sealing ring 400 can be set between end cap 120 and base 110, and set end cap between connecting line 330 and end cap 120
Seal 700, i.e., set end cap seal part 700 in the through hole.It is possible thereby to utilize the He of 400 end cover of sealing ring 120
Gap between base 110, and the gap that can be tightly connected using end cap seal part 700 between line 330 and end cap 120.
Wherein.End cap seal part 700 can be silica gel sealing ring, or the silicon in the through hole is filled in after hot melt
Glue.
Advantageously, as shown in figs 2-4, mounting groove can be provided with end cap 120, sealing ring 400 can be located at the peace
In tankage.Sealing ring 400 can so be positioned using the mounting groove, so as to further improve the He of end cap 120
The sealing that base 110 is connected.
In the present embodiment, in order to further improve the sealing of confined space 131.Elastic sealing element 200 can be prolonged
It is long, so that the edge of elastic sealing element 200 is connected with sealing ring 400.
Certainly, the sealing between end cap 120, base 110 and connecting line 330 can also be ensured using other manner.
For example, in another embodiment of the present invention, sealing medium 500 can be filled with confined space 131.Specifically, it is close
Envelope medium 500 can be filled in the top of circuit board 310, between end cap 120, base 110 and connecting line 330.Wherein, seal
Medium 500 can be marine glue or epoxy resin.So can be using sealing medium 500 while end cover 120 and base 110
Between gap and end cap 120 and connecting line 330 between gap.Thus end cap 120, the and of base 110 can equally be ensured
Sealing between connecting line 330.
Fig. 2-Fig. 6 shows the pressure sensor 1 according to a specific example of the invention.As shown in Fig. 2-Fig. 6, confined air
Between the support member 600 for being used for supporting sensing element 300 can be provided with 131, circuit board 310 can be supported on support member 600,
The edge of elastic sealing element 200 can be clamped between support member 600 and base 110.It so can not only improve sensing element
300 stability in confined space 131, and elastic sealing element 200 can be fixed using support member 600, to realize elasticity
The positioning of seal 200.
Wherein, the structure of elastic sealing element 200 can be carried out according to the structure change of other parts in pressure sensor 1
Adjustment, as long as ensureing that elastic sealing element 200 being capable of sealed separation confined space 131 and pilot passage 132.
For example, as shown in Figure 2 and Figure 5, the cross section of support member 600 can be annular, and the upper end of support member 600 can enclose
Set around chip 320 and lower end can be set around pilot passage 132, can form what is coordinated with support member 600 on base 110
Fitting recess can be provided with structure, the periphery wall of support member 600, the edge of elastic sealing element 200 can coordinate in the assembling
In groove, and the edge of elastic sealing element 200 can be clamped between the periphery wall of support member 600 and base 110 and support member
Between 600 lower surface and base 110.It is possible thereby to improve stability of the elastic sealing element 200 in pressure detecting chamber 130.
Support member 600 can be that as shown in Figure 3 and Figure 6, the cross section of support member 600 can be ring with other structures
Flanging 610 can be provided with shape and support member 600, the upper end of support member 600 can be set around chip 320 and lower end can be with
Set around pilot passage 132, can be formed on base 110 can set on the structure coordinated with support member 600, flanging 610
There is locating slot, the edge of elastic sealing element 200 can coordinate in the locating slot, and the edge of elastic sealing element 200 can be with
It is clamped between the bottom surface of flanging 610 and base 110.Thus the stability of elastic sealing element 200 can equally be ensured, and it is close
Close that space 131 is smaller, beneficial to the perceived accuracy for improving sensing element 300.
Further, support member 600 may be integrally formed with elastic sealing element 200.It is possible thereby to further improve closed
The sealing in space 131.
By in the sealed embodiment of sealing ring 400 between end cap 120 and base 110, as shown in figure 4, elastic packing
Part 200, sealing ring 400 and the three of support member 600 may be integrally formed.That is, sealing ring 400 and support member 600 can be with
It is integrally formed with elastic sealing element 200 using elastomeric material.
Pressure cooker according to embodiments of the present invention is described below, the pressure cooker includes according to the above embodiment of the present invention
Pressure sensor 1.
Pressure cooker according to embodiments of the present invention by using pressure sensor 1 according to the above embodiment of the present invention,
Normal work is remained able under some rugged environments, has the advantages that dependable performance, service life are long.
Pressure cooker according to embodiments of the present invention and operation be all for those of ordinary skills it is known,
It is not detailed herein.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention and simplified description, rather than indicate or imply that the device or element of meaning must have specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not direct contact but by it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
What combined in an appropriate manner in one or more embodiments or example.In addition, those skilled in the art can say this
Not be the same as Example or example described in bright book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (12)
1. a kind of pressure sensor, it is characterised in that including：
There is pressure detecting chamber in housing, the housing；The housing includes base and end cap, and the end cap seal is connected to institute
State on base and limit the pressure detecting chamber jointly with the base；
Elastic sealing element, the elastic sealing element is located at the pressure detecting intracavitary, and the elastic sealing element examines the pressure
Chamber sealed separation is surveyed into confined space and the pilot passage being in communication with the outside；Air is filled with the confined space；
Sensing element, the sensing element is located in the confined space；
The support member for being used for supporting the sensing element is provided with the confined space, the edge of the elastic sealing element is clamped in
Between the support member and the base；On the length direction of the support member, the cross section of the internal perisporium of the support member
Product keeps constant.
2. pressure sensor according to claim 1, it is characterised in that the sensing element includes：
Circuit board, the circuit board is located in the confined space；With
Chip, the chip is located on the circuit board.
3. pressure sensor according to claim 2, it is characterised in that the sensing element also includes connecting line, described
End cap is provided with through hole, and one end of the connecting line is connected on the circuit board and the other end stretches out described close from the through hole
Close space.
4. pressure sensor according to claim 3, it is characterised in that provided with sealing between the end cap and the base
Circle, is provided with end cap seal part between the connecting line and the end cap.
5. the pressure sensor according to claim 4, it is characterised in that the end cap is provided with mounting groove, described close
Seal is located in the mounting groove.
6. the pressure sensor according to claim 4, it is characterised in that the periphery of the elastic sealing element along with it is described
Sealing ring is connected.
7. pressure sensor according to claim 3, it is characterised in that filling sealing medium in the confined space.
8. pressure sensor according to claim 1, it is characterised in that the cross section of the support member is annular, described
The periphery wall of support member is provided with fitting recess, and the edge of the elastic sealing element coordinates in the fitting recess.
9. pressure sensor according to claim 1, it is characterised in that the cross section of the support member is annular and described
Support member is provided with flanging, and the flanging is provided with locating slot, and the edge of the elastic sealing element coordinates in the positioning
In groove.
10. pressure sensor according to claim 1, it is characterised in that the support member and the elastic sealing element one
Body is formed.
11. the pressure sensor according to any one of claim 1-10, it is characterised in that the elastic sealing element has
Induction region, the induction region is exposed to the pilot passage.
12. a kind of pressure cooker, it is characterised in that including the pressure sensor according to any one of claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310451308.3A CN104510330B (en) | 2013-09-27 | 2013-09-27 | Pressure sensor and pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310451308.3A CN104510330B (en) | 2013-09-27 | 2013-09-27 | Pressure sensor and pressure cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104510330A CN104510330A (en) | 2015-04-15 |
| CN104510330B true CN104510330B (en) | 2017-10-27 |
Family
ID=52786621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310451308.3A Expired - Fee Related CN104510330B (en) | 2013-09-27 | 2013-09-27 | Pressure sensor and pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104510330B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206044349U (en) * | 2015-10-01 | 2017-03-29 | 史利利 | Pressure transducer and pressure cooker |
| JP6832525B2 (en) * | 2017-01-27 | 2021-02-24 | パナソニックＩｐマネジメント株式会社 | Pressure cooker and pressure sensor unit |
| CN107907248A (en) * | 2017-12-27 | 2018-04-13 | 苏州康姆普机械有限公司 | A kind of pressure sensor being stably connected with |
| CN108106756A (en) * | 2017-12-27 | 2018-06-01 | 苏州康姆普机械有限公司 | A kind of detachable pressure sensor |
| CN112082688B (en) * | 2020-08-26 | 2022-04-26 | 上海域丰传感仪器有限公司 | Strain type pressure sensor's absolute pressure packaging structure |
Citations (8)
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|---|---|---|---|---|
| JPS5136449U (en) * | 1974-09-11 | 1976-03-18 | ||
| US4287501A (en) * | 1979-01-31 | 1981-09-01 | Nissan Motor Company, Limited | Pressure sensor |
| JPS6033925U (en) * | 1983-08-16 | 1985-03-08 | 株式会社東芝 | High frequency heating cooking device |
| CN2483705Y (en) * | 2001-05-31 | 2002-03-27 | 湖南长沙索普测控技术有限公司 | Nano pressure sensor |
| CN101520356A (en) * | 2006-06-26 | 2009-09-02 | 阮志成 | Pressure sensing device for insulated integrated circuit |
| CN202033147U (en) * | 2011-03-29 | 2011-11-09 | 中国船舶重工集团公司第七一五研究所 | Pressure detection module of electric pressure cooker based on MEMS (Micro Electro Mechanical System) technology |
| CN203100964U (en) * | 2013-01-24 | 2013-07-31 | 美的集团股份有限公司 | Pressure sensing device and pressure cooker having same |
| CN203493404U (en) * | 2013-09-27 | 2014-03-26 | 美的集团股份有限公司 | Pressure sensor and pressure cooker |
-
2013
- 2013-09-27 CN CN201310451308.3A patent/CN104510330B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5136449U (en) * | 1974-09-11 | 1976-03-18 | ||
| US4287501A (en) * | 1979-01-31 | 1981-09-01 | Nissan Motor Company, Limited | Pressure sensor |
| JPS6033925U (en) * | 1983-08-16 | 1985-03-08 | 株式会社東芝 | High frequency heating cooking device |
| CN2483705Y (en) * | 2001-05-31 | 2002-03-27 | 湖南长沙索普测控技术有限公司 | Nano pressure sensor |
| CN101520356A (en) * | 2006-06-26 | 2009-09-02 | 阮志成 | Pressure sensing device for insulated integrated circuit |
| CN202033147U (en) * | 2011-03-29 | 2011-11-09 | 中国船舶重工集团公司第七一五研究所 | Pressure detection module of electric pressure cooker based on MEMS (Micro Electro Mechanical System) technology |
| CN203100964U (en) * | 2013-01-24 | 2013-07-31 | 美的集团股份有限公司 | Pressure sensing device and pressure cooker having same |
| CN203493404U (en) * | 2013-09-27 | 2014-03-26 | 美的集团股份有限公司 | Pressure sensor and pressure cooker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104510330A (en) | 2015-04-15 |
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