CN210346942U - Air conditioner pressure and temperature sensor - Google Patents
Air conditioner pressure and temperature sensor Download PDFInfo
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- CN210346942U CN210346942U CN201921494553.1U CN201921494553U CN210346942U CN 210346942 U CN210346942 U CN 210346942U CN 201921494553 U CN201921494553 U CN 201921494553U CN 210346942 U CN210346942 U CN 210346942U
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- connector
- air conditioner
- temperature sensor
- plastic support
- pcba board
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Abstract
The utility model discloses an air conditioner pressure temperature sensor, including connector, plastic support, thermal element, stainless steel integration base, closed passageway metal support and PCBA board, it switches on the plug-in components to be provided with on the PCBA board, it pegs graft to switch on the plug-in components on the connector, the grafting connection hole has still been seted up on the PCBA board, the grafting connection hole has coupling assembling through the contact pin grafting, the contact pin is fixed on the coupling assembling, the contact pin passes through thermal element connecting wire and connects the switch-on and have thermal element, the coupling assembling joint is in the plastic support, the inside of stainless steel integration base is provided with closed passageway metal support. The utility model discloses a thermistor feedback carries out intelligent temperature compensation, and overload capacity and temperature range are wide, and sensitivity is high, and the precision is good etc. realizes the high accuracy measurement of full warm area.
Description
Technical Field
The utility model relates to a sensor field especially relates to an air conditioner pressure temperature sensor.
Background
One of key technologies developed by the engine thermal management system is a matching technology of the thermal management system and the engine operation and a selection problem of a system optimization control strategy, the efficiency of the thermal management system depends on the system optimization control strategy to a great extent, control objects comprise the rotating speed of a water pump, the opening degree of an electric control thermostat valve, the rotating speed of a cooling fan and the like, the control strategy of the intelligent electric control heat management system can be formulated according to the actual working and test conditions of the automobile engine and the system optimization principle, so that the engine can work in the optimal temperature range under different working conditions, in the system, in order to accurately calculate the opening degree of the expansion valve, a pressure temperature sensor is needed, a ceramic pressure sensor chip is adopted in the traditional pressure sensor design, the main material is alumina, the defect is that the over-pressure resistance is poor, and meanwhile, the temperature drift of the sensor is large in a high-temperature region.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air conditioner pressure temperature sensor just in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides an air conditioner pressure temperature sensor, includes connector, plastic support, thermal element, stainless steel integration base, closed passageway metal support and PCBA board, it switches on the plug-in components to be provided with on the PCBA board, it pegs graft to switch on the plug-in components on the connector, the grafting connecting hole has still been seted up on the PCBA board, the grafting connecting hole has coupling assembling through the contact pin grafting, the contact pin is fixed on the coupling assembling, the contact pin passes through thermal element connecting wire and connects the switch-on to have thermal element, the coupling assembling joint is in the plastic support, the inside of stainless steel integration base is provided with closed passageway metal support, open the passway in the closed passageway metal support, thermal element pegs graft the top in passway.
Furthermore, an installation cavity is arranged in the stainless steel integrated base, the installation cavity is clamped on the outer side wall of the plastic support through a large O ring, the top of the support of the closed channel metal support is contacted with the bottom surface of the plastic support, a through hole is formed in the center of the plastic support, and the through hole is used for connecting a lead through the thermosensitive element.
Furthermore, coupling assembling is in through the little O circle joint be convenient for improve its leakproofness on the inner wall of plastic support.
Further, the connector is installed at the top of connector, the connector is used for being connected with the EMC of car, be provided with spacing fastener on the outer wall of connector.
Furthermore, the bottom of the stainless steel integrated base is connected with a stud, the stud is a hollow column, and the stud is screwed on a part needing to be measured.
Further, a pressure sensitive element is arranged on the PCBA board and used for detecting pressure.
A air conditioner pressure temperature sensor pass through the thermistor feedback and carry out intelligent temperature compensation, overload capacity and temperature range are wide, sensitivity is high, the precision is good etc. adopt ASIC independently design completely to carry out nonlinear correction and temperature compensation in full operating temperature district, realize the high accuracy measurement of full warm-area.
Drawings
Fig. 1 is an axial view of an air conditioner pressure and temperature sensor according to the present invention;
fig. 2 is a rear view schematic diagram of a shell structure of an air conditioner pressure and temperature sensor.
In the figure: 1. a connector; 2. a small O-ring; 3. a plastic support; 4. a thermosensitive element; 5. a large O-ring; 6. a stainless steel integrated base; 7. a closed channel metal stent; 8. a connecting assembly; 9. PCBA board; 10. a connector; 11. inserting a pin; 12. a limiting clamping piece; 13. the thermosensitive element is connected with the lead.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-2, an air conditioner pressure and temperature sensor comprises a connector 1, a plastic support 3, a thermosensitive element 4, a stainless steel integrated base 6, a closed channel metal support 7 and a PCBA board 9, wherein a conduction plug-in is arranged on the PCBA board 9, the conduction plug-in is plugged on the connector 1, a plug-in connection hole is further formed in the PCBA board 9, the plug-in connection hole is plugged with a connection component 8 through a plug pin 11, the plug pin 11 is fixed on the connection component 8, the plug pin 11 is connected and connected with the thermosensitive element 4 through a thermosensitive element connection wire 13, the connection component 8 is clamped on the plastic support 3, the closed channel metal support 7 is arranged inside the stainless steel integrated base 6, a channel hole is formed in the closed channel metal support 7, and the thermosensitive element 4 is plugged on the top of the channel hole.
In this embodiment, a mounting cavity is arranged in the stainless steel integrated base 6, the mounting cavity is clamped on the outer side wall of the plastic support 3 through the large O-ring 5, the top of the closed channel metal support 7 is contacted with the bottom surface of the plastic support 3, and a through hole is formed in the center of the plastic support 3 and used for connecting the lead 13 through a thermosensitive element.
In this embodiment, coupling assembling 8 is convenient for improve its leakproofness through 2 joints of small O circle on the inner wall of plastic support 3, and connector 10 is installed at the top of connector 1, and connector 10 is used for being connected with the EMC of car, is provided with spacing fastener 12 on the outer wall of connector 10, and the bottom of stainless steel integration base 6 is connected with the double-screw bolt, the double-screw bolt is hollow column, the double-screw bolt connects soon on the part that needs the measurement, is provided with pressure sensitive element on PCBA board 9 and is used for detecting pressure.
In the structure of the embodiment, the pressure sensitive element is made of precipitation hardening steel based on an MEMS (micro electro mechanical systems) process technology, the strain gauge is sintered on the PORT membrane through a glass micro-melting technology to form a required Wheatstone bridge, when the back of the elastic membrane is acted by force or pressure, a chip of the bridge consisting of the front outputs an electric signal in a linear relation with the pressure, the electric signal is amplified by a digital compensation amplifying circuit of a microprocessor to be amplified, intelligent temperature compensation is carried out through software, a standard signal is output, the overload capacity and temperature range are wide, the sensitivity is high, the precision is good, and the like, and an ASIC (application specific integrated circuit) which is completely and autonomously designed is adopted to carry out nonlinear correction and temperature compensation in a full-working temperature area so as to realize high-precision measurement of the full;
the sensor is installed and applied to the high-efficiency operation of hybrid and electric automobile heat management systems, accurate pressure and temperature output signals are provided for refrigeration heat pump circulation, the low-pressure side is used for accurately calculating the superheat degree of the system so as to control the opening degree of an electronic expansion valve, and the high-pressure side is used for controlling the air quantity of a cooling fan, changing the displacement of a compressor and protecting the system at high pressure and high temperature.
The foregoing shows and describes a preferred embodiment of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An air conditioner pressure and temperature sensor is characterized in that: including connector, plastic support, thermal element, stainless steel integration base, closed passageway metal support and PCBA board, it switches on the plug-in components to be provided with on the PCBA board, it pegs graft to switch on the plug-in components on the connector, the spliced eye has still been seted up on the PCBA board, the spliced eye has coupling assembling through the contact pin grafting, the contact pin is fixed on the coupling assembling, the contact pin connects the switch-on through thermal element connecting wire and has thermal element, the coupling assembling joint is in the plastic support, the inside of stainless steel integration base is provided with closed passageway metal support, the passway hole has been seted up in the closed passageway metal support, thermal element pegs graft the top of passway hole.
2. An air conditioner pressure and temperature sensor as claimed in claim 1, wherein: the stainless steel integrated base is internally provided with an installation cavity, the installation cavity is clamped on the outer side wall of the plastic support through a large O ring, the top of the support of the closed channel metal support is contacted with the bottom surface of the plastic support, the center of the plastic support is provided with a through hole, and the through hole is used for connecting a lead through the thermosensitive element.
3. An air conditioner pressure and temperature sensor as claimed in claim 1, wherein: the connecting assembly is clamped on the inner wall of the plastic support through the small O ring, so that the sealing performance of the plastic support is improved conveniently.
4. An air conditioner pressure and temperature sensor as claimed in claim 1, wherein: the connector is installed at the top of connector, the connector is used for being connected with the EMC of car, be provided with spacing fastener on the outer wall of connector.
5. An air conditioner pressure and temperature sensor as claimed in claim 1, wherein: the bottom of the stainless steel integrated base is connected with a stud, the stud is a hollow column, and the stud is screwed on a part needing to be measured.
6. An air conditioner pressure and temperature sensor as claimed in claim 1, wherein: a pressure sensitive element is arranged on the PCBA board and used for detecting pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921494553.1U CN210346942U (en) | 2019-09-10 | 2019-09-10 | Air conditioner pressure and temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921494553.1U CN210346942U (en) | 2019-09-10 | 2019-09-10 | Air conditioner pressure and temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210346942U true CN210346942U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921494553.1U Active CN210346942U (en) | 2019-09-10 | 2019-09-10 | Air conditioner pressure and temperature sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN210346942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447164A (en) * | 2021-06-23 | 2021-09-28 | 浙江沃德尔科技集团股份有限公司 | Integrated pressure sensor module |
-
2019
- 2019-09-10 CN CN201921494553.1U patent/CN210346942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447164A (en) * | 2021-06-23 | 2021-09-28 | 浙江沃德尔科技集团股份有限公司 | Integrated pressure sensor module |
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