CN220187729U - Temperature and pressure integrated sensor - Google Patents
Temperature and pressure integrated sensor Download PDFInfo
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- CN220187729U CN220187729U CN202321050208.5U CN202321050208U CN220187729U CN 220187729 U CN220187729 U CN 220187729U CN 202321050208 U CN202321050208 U CN 202321050208U CN 220187729 U CN220187729 U CN 220187729U
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- 239000000523 sample Substances 0.000 claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 230000006698 induction Effects 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 7
- 230000001939 inductive effect Effects 0.000 abstract description 24
- 239000000428 dust Substances 0.000 abstract description 23
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000004378 air conditioning Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model provides a temperature and pressure integrated sensor, which comprises two parts of structures, namely: the sensor comprises an induced draft mechanism and a sensor main body, wherein the sensor main body comprises a circuit board, the top of the circuit board is connected with an induction probe in a welded mode, and a protective sleeve is arranged outside the induction probe; the air inducing mechanism comprises an air inducing cap, a second dustproof net is embedded in the top of the air inducing cap, a plurality of first dustproof nets are embedded in the periphery of the air inducing cap, nuts are arranged at the bottom of the air inducing cap, four arc-shaped strips are fixed at the top ends of the nuts, rollers are arranged in the arc-shaped strips, two limiting rings are fixed on the inner wall of the bottom of the air inducing cap, and four threaded arc plates are fixed at the top ends of the protecting sleeves; the technical key points are as follows: through at the induction probe surface cover induced draft cap of following the inside naked of lag, when the outside entering inside of induced draft cap, can block the dust by first dust screen and second dust screen, prevent that the dust adhesion from at the surface of induction probe, guarantee to reduce the detection accuracy of sensor.
Description
Technical Field
The utility model belongs to the technical field of sensors, and particularly relates to a temperature and pressure integrated sensor.
Background
The sensor can sense the measured information and convert the sensed information into electric signals or other information output in a required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. The sensors are of various types, and mainly include weighing sensors, temperature sensors, displacement sensors, pressure sensors, ultrasonic distance measuring sensors, and the like. With the rapid development of new energy automobiles, the traditional automobile air conditioner cannot meet the requirements, the working characteristics of batteries and a thermal management system of the new energy automobiles are closely related to the temperature and the pressure of an air conditioning pipeline, the new air conditioner thermal management system is used for controlling the comfort level of a cockpit, accurately controlling the working temperature of a battery pack, reducing the power consumption of the whole system to meet the endurance requirements, and therefore the new thermal management system is required to accurately detect and adjust the temperature and the pressure of the whole system, and the temperature and pressure integrated sensor is increasingly used.
According to the temperature and pressure integrated sensor and the packaging method disclosed in the prior China patent document No. CN114659561A, through the design that the lengths of the temperature sensitive element and the temperature measuring probe are the same and the filling of the heat conducting paste, the contact area and the heat transfer efficiency between the temperature sensitive element and a measured medium are increased, the temperature of the medium can be rapidly and accurately measured by the temperature sensitive element, meanwhile, the heat insulation effect can be achieved through the arrangement of the biphase silicon dioxide film, the pressure measuring sensitivity of a Wheatstone bridge on an elastic metal film of the pressure sensitive element is further ensured, and the Wheatstone bridge is used for converting deformation signals of the elastic metal film into electric signals to be output.
However, in the process of implementing the above technical solution, the following technical problems are found in the above technical solution:
the existing temperature and pressure integrated sensor can improve heat transfer efficiency and ensure temperature measurement efficiency through the design of the temperature sensitive element with the same length as the temperature measuring probe and the filling of the heat conducting paste, but the temperature sensor is easy to be subjected to the installation angle when an air conditioning system monitors temperature, so that flowing air conditioning gas cannot fully contact with the detection end of the sensor, and the detection accuracy of the sensor is reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the embodiment of the utility model provides the temperature and pressure integrated sensor, the air inducing cap is covered on the surface of the sensing probe exposed from the inside of the protective sleeve, when air enters the inside from the outside of the air inducing cap, dust can be blocked by the first dust screen and the second dust screen, the dust is prevented from adhering to the surface of the sensing probe, the effect of monitoring the air temperature and the air pressure by the sensing probe is ensured, the problem that the prior temperature and pressure integrated sensor is easy to be subjected to the installation angle when an air conditioning system monitors the temperature is solved, and flowing air conditioning gas cannot be fully contacted with the detection end of the sensor, so that the detection accuracy of the sensor is reduced.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows:
temperature pressure integrated sensor, including the structure of two parts, be respectively: the sensor comprises an induced draft mechanism and a sensor main body, wherein the sensor main body comprises a circuit board, a plurality of electric connection pins are connected at the bottom of the circuit board in a welding mode, induction probes are connected at the top of the circuit board in a welding mode, a protective cover is connected at the outer part of the circuit board in a fastening mode, the induction probes penetrate through the inner part of the protective cover, wiring plugs are inserted at the outer parts of the electric connection pins, and a protective sleeve is arranged at the outer part of the protective cover;
the air inducing mechanism comprises an air inducing cap, a second dustproof net is embedded at the top of the air inducing cap, and a plurality of first dustproof nets are embedded in the periphery of the air inducing cap;
the inside at wiring plug top is provided with the second sealing washer, the inboard of lag bottom is provided with first sealing washer, the bottom of lag is connected with the top assembly type of wiring plug, the inside of lag is stretched into to the one end of response probe.
In one possible implementation manner, a nut is arranged at the bottom of the air guiding cap, four arc-shaped strips are fixedly connected to the top end of the nut, and rollers are arranged inside the arc-shaped strips.
In one possible implementation manner, two limiting rings are fixedly connected to the inner wall of the bottom of the induced draft cap, the surface of the roller is attached to the inner wall of the induced draft cap, and the roller is connected between the two limiting rings in a rolling mode.
In one possible implementation manner, four threaded arc plates are fixedly connected to the top end of the protective sleeve, the four threaded arc plates form an external threaded bracket, and the nut is in threaded connection with the outside of the four threaded arc plates.
In one possible implementation manner, four groups of wing plates are fixedly connected to the outer wall of the induced draft cap, and each wing plate comprises two mutually symmetrical wing plates.
In one possible implementation manner, two wing plates are located at two sides of the first dust screen, and the distance between one side of each wing plate, which is close to the induced air cap, is smaller than the distance between one side, which is far away from the induced air cap, of each wing plate.
In one possible implementation, four threaded arc plates and four arc strips are equally spaced around the sensing probe, and the distances between two adjacent threaded arc plates and two adjacent arc strips are equal.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the induction probe is covered with the air inducing cap, when air enters the induction probe from the outside of the air inducing cap, dust can be blocked by the first dust screen and the second dust screen, the dust is prevented from adhering to the surface of the induction probe, and the effect of monitoring the air temperature and the air pressure of the induction probe is ensured;
2. through set up the gyro wheel in the inside of arc strip, make the gyro wheel roll between two spacing rings, when setting up nut threaded connection in the outside of four screw thread arc boards, when the top at the lag is erect to the induced air cap, can get into the inside of induced air cap with the help of two pterygoid lamina guide wind, make induced air cap rotate in the outside of four arc strips, automatically regulated induced air cap air inlet channel's orientation, the flexibility is higher.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a cross-sectional view of the hood of the present utility model;
fig. 4 is an enlarged schematic view of the portion a of fig. 3 according to the present utility model.
Description of the drawings: 1. an induced draft mechanism; 11. a first dust screen; 12. a second dust screen; 13. a wind cap; 14. a nut; 15. a wing plate; 16. a threaded arc plate; 17. an arc-shaped strip; 18. a limiting ring; 19. a roller; 2. a sensor body; 21. a wiring plug; 22. a power connection needle; 23. a protective sleeve; 24. a circuit board; 25. a sensing probe; 26. a first seal ring; 27. a protective cover; 28. and a second sealing ring.
Detailed Description
The technical scheme in the embodiment of the utility model aims to solve the problems of the background technology, and the general thought is as follows:
example 1:
the embodiment introduces the concrete structure of the temperature-pressure integrated sensor, and specifically referring to fig. 1-4, the sensor comprises an induced draft mechanism 1 and a sensor main body 2, the sensor main body 2 comprises a circuit board 24, a plurality of electric connection pins 22 are welded at the bottom of the circuit board 24, an induction probe 25 is welded at the top of the circuit board 24, a protective cover 27 is fastened and connected at the outer part of the circuit board 24, the induction probe 25 penetrates through the inner part of the protective cover 27, a wiring plug 21 is inserted at the outer part of the electric connection pins 22, and a protective sleeve 23 is arranged at the outer part of the protective cover 27;
the inside at the top of the wiring plug 21 is provided with a second sealing ring 28, the inside at the bottom of the protecting sleeve 23 is provided with a first sealing ring 26, the bottom of the protecting sleeve 23 is connected with the top of the wiring plug 21 in an assembling way, one end of the sensing probe 25 stretches into the protecting sleeve 23, and when the sensor main body 2 is connected with an automobile circuit through the wiring plug 21 and is installed in an air conditioning system, the sensing probe 25 can be used for monitoring the sensing temperature and pressure conditions;
the air inducing mechanism 1 comprises an air inducing cap 13, a second dustproof net 12 is embedded at the top of the air inducing cap 13, and a plurality of first dustproof nets 11 are embedded in the periphery of the air inducing cap 13;
when the induction probe 25 senses the air temperature and the air pressure, the air can pass through the inside of the air guiding cap 13 and directly contact with the air guiding cap 13, so that the air guiding cap 13 is ensured to accurately monitor the air pressure and the air pressure;
meanwhile, by embedding the first dust screen 11 and the second dust screen 12 in the channel inside the induced draft cap 13, external dust can be prevented from adhering to the surface of 2513, and the sensitivity of the induction probe 25 can be ensured.
By adopting the technical scheme:
according to the design, the air inducing cap 13 is covered on the surface of the sensing probe 25 exposed from the inside of the protective sleeve 23, when air enters the inside from the outside of the air inducing cap 13, dust can be blocked by the first dust screen 11 and the second dust screen 12, adhesion of the dust on the surface of the sensing probe 25 is prevented, one end of the sensing probe 25 is guaranteed to be in full contact with the air, and the effect that the sensing probe 25 monitors the air temperature and the air pressure is guaranteed.
Example 2:
based on embodiment 1, this embodiment describes a specific structure of the air induction mechanism 1 of the support rod set, the bottom of the air induction cap 13 is provided with a nut 14, the top end of the nut 14 is fixedly connected with four arc-shaped strips 17, and the inside of the arc-shaped strips 17 is provided with rollers 19;
when the surface of the roller 19 is attached to the inner wall of the induced draft cap 13, the roller 19 can be connected between the two limiting rings 18 in a rolling way, so that the induced draft cap 13 can rotate outside the four arc-shaped strips 17, the orientation of the four first dustproof screens 11 inside the induced draft cap 13 is regulated, and different installation environments can be flexibly adapted;
secondly, four threaded arc plates 16 are fixed at the top end of the protective sleeve 23, and after the four threaded arc plates 16 form an external threaded bracket, nuts 14 can be connected to the outer parts of the four threaded arc plates 16 in a threaded manner, so that a wind cap 13 is erected at the top of the protective sleeve 23 to protect the surface of the induction probe 25 and ensure that air can fully enter the inside of the wind cap 13 to be in contact with the surface of the induction probe 25;
in some examples, four sets of wings 15 are fixedly connected to the outer wall of the induced cap 13, each of the wings 15 comprising two wings 15 that are symmetrical to each other;
wherein, two pterygoid lamina 15 are located the both sides of first dust screen 11, make the distance between two pterygoid lamina 15 be close to induced air cap 13 one side and be less than the distance between two pterygoid lamina 15 are kept away from induced air cap 13 one side, under the condition that the equal interval of assurance four screw thread arc boards 16 and four arc strips 17 encircles around sensing probe 25, under the equal distance between two adjacent screw thread arc boards 16 and two adjacent arc strips 17, when the outside blows to induced air cap 13, can be with the help of the guide of two pterygoid lamina 15, with the help of the orientation of wind-force automatic correction induced air cap 13 opening, make the inside that air gets into induced air cap 13 more easily and sensing probe 25's surface contact.
By adopting the technical scheme:
according to the design, the roller 19 is arranged in the arc-shaped strip 17, so that the roller 19 rolls between the two limiting rings 18, when the nut 14 is in threaded connection with the outer parts of the four threaded arc plates 16, the air inducing cap 13 can be erected on the top of the protective sleeve 23, wind can be guided into the air inducing cap 13 by the aid of the two wing plates 15, the air inducing cap 13 can rotate outside the four arc-shaped strips 17, the direction of an air inlet channel of the air inducing cap 13 can be automatically regulated, and different installation positions and installation angles can be adapted, and the flexibility is high.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (7)
1. Temperature pressure integrated sensor, its characterized in that includes:
the sensor comprises a sensor body (2), wherein the sensor body (2) comprises a circuit board (24), a plurality of electric connection pins (22) are connected at the bottom of the circuit board (24) in a welded mode, induction probes (25) are connected at the top of the circuit board (24) in a welded mode, a protective cover (27) is connected at the outer part of the circuit board (24) in a fastened mode, the induction probes (25) penetrate through the protective cover (27), a wiring plug (21) is inserted at the outer parts of the electric connection pins (22), and a protective sleeve (23) is arranged at the outer part of the protective cover (27);
the air guiding mechanism (1), the air guiding mechanism (1) comprises an air guiding cap (13), a second dustproof net (12) is embedded in the top of the air guiding cap (13), and a plurality of first dustproof nets (11) are embedded in the periphery of the air guiding cap (13);
the inside at wiring plug (21) top is provided with second sealing washer (28), the inboard of lag (23) bottom is provided with first sealing washer (26), the bottom of lag (23) is connected with the top assembly of wiring plug (21), the inside of lag (23) is stretched into to the one end of response probe (25).
2. The temperature and pressure integrated sensor of claim 1, wherein: the bottom of induced air cap (13) is provided with nut (14), the top fixed connection of nut (14) has four arc strip (17), the inside of arc strip (17) is provided with gyro wheel (19).
3. The temperature and pressure integrated sensor of claim 2, wherein: the bottom inner wall of induced air cap (13) is fixedly connected with two spacing rings (18), the surface of gyro wheel (19) is laminated with the inner wall of induced air cap (13), gyro wheel (19) roll connect between two spacing rings (18).
4. The temperature and pressure integrated sensor of claim 2, wherein: four threaded arc plates (16) are fixedly connected to the top end of the protective sleeve (23), the four threaded arc plates (16) form an external threaded support, and the nut (14) is connected to the outer portion of the four threaded arc plates (16) in a threaded mode.
5. The temperature and pressure integrated sensor of claim 1, wherein: the outer wall of the induced air cap (13) is fixedly connected with four groups of wing plates (15), and the wing plates (15) comprise two mutually symmetrical wing plates (15).
6. The temperature and pressure integrated sensor of claim 5, wherein: the two wing plates (15) are positioned on two sides of the first dustproof net (11), and the distance between one sides of the two wing plates (15) close to the induced draft cap (13) is smaller than the distance between one sides of the two wing plates (15) far away from the induced draft cap (13).
7. The temperature and pressure integrated sensor of claim 4, wherein: four screw thread arc plates (16) and four arc strips (17) are equally spaced around the sensing probe (25), and the distances between two adjacent screw thread arc plates (16) and two adjacent arc strips (17) are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321050208.5U CN220187729U (en) | 2023-05-05 | 2023-05-05 | Temperature and pressure integrated sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321050208.5U CN220187729U (en) | 2023-05-05 | 2023-05-05 | Temperature and pressure integrated sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220187729U true CN220187729U (en) | 2023-12-15 |
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ID=89105542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321050208.5U Active CN220187729U (en) | 2023-05-05 | 2023-05-05 | Temperature and pressure integrated sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220187729U (en) |
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2023
- 2023-05-05 CN CN202321050208.5U patent/CN220187729U/en active Active
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