CN212779378U - Temperature and air pressure integrated sensor - Google Patents
Temperature and air pressure integrated sensor Download PDFInfo
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- CN212779378U CN212779378U CN202022222359.7U CN202022222359U CN212779378U CN 212779378 U CN212779378 U CN 212779378U CN 202022222359 U CN202022222359 U CN 202022222359U CN 212779378 U CN212779378 U CN 212779378U
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- pressure sensor
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Abstract
The utility model discloses a temperature and atmospheric pressure integral type sensor, including metal casing, PCB board and plug subassembly, the one end of metal casing is seted up flutedly, the tank bottom of recess is equipped with temperature sensing blind hole and air inlet through-hole, thermistor has set firmly in the temperature sensing blind hole, the PCB board sets firmly in the recess, set firmly the gas pressure sensor module on the terminal surface of PCB board towards the groove tank bottom; the plug assembly comprises a plug socket and a plurality of metal plug sheets, and the pins of the gas pressure sensor module and the thermistor are electrically connected with the metal plug sheets respectively. The utility model discloses in, install gas pressure sensor module and thermistor in the metal casing simultaneously to adopt a sensor just can simultaneous measurement atmospheric pressure and temperature, practiced thrift device cost and installation space, convenient to use, the practicality is strong.
Description
Technical Field
The utility model relates to a sensor field, in particular to temperature and atmospheric pressure integral type sensor.
Background
The pressure sensor and the temperature sensor are respectively used for measuring the gas pressure value and the temperature value of the environment, are two sensors commonly used in the industrial field, frequently need to measure the gas pressure and the temperature simultaneously in industrial application, and at the moment, the pressure sensor and the temperature sensor need to be respectively installed, so that the cost is increased, and more installation space is occupied.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a temperature and atmospheric pressure integral type sensor.
The technical scheme of the utility model as follows:
a temperature and air pressure integrated sensor comprises a metal shell, a PCB and a plug assembly, wherein one end of the metal shell is provided with a protruding sensing section, the other end of the metal shell is provided with a groove, the bottom of the groove is provided with a temperature sensing blind hole extending into the sensing section and an air inlet through hole penetrating through the sensing section, a thermistor is fixedly arranged in the temperature sensing blind hole, the PCB is fixedly arranged in the groove, and a gas pressure sensor module is fixedly arranged on the end face of the PCB facing the bottom of the groove;
the plug assembly comprises a plug socket, a plurality of metal insertion pieces are fixedly arranged on the plug socket, one end of the plug socket extends into the groove and is fixedly connected with the groove wall of the groove, and the extending end of the plug socket is abutted against the PCB; and each pin of the gas pressure sensor module is electrically connected with a metal plug sheet, and the two pins of the thermistor are also electrically connected with a metal plug sheet.
Furthermore, four metal insertion pieces, namely a first metal insertion piece, a second metal insertion piece, a third metal insertion piece and a fourth metal insertion piece, are arranged on the insertion base side by side, a power supply end pin of the gas pressure sensor module is electrically connected with the first metal insertion piece, a signal end pin is electrically connected with the second metal insertion piece, an earth terminal pin of the gas pressure sensor module and a first pin of the thermistor are electrically connected with the third metal insertion piece, and a second pin of the thermistor is electrically connected with the fourth metal insertion piece.
Furthermore, a connecting socket is arranged on the PCB, pins of the gas pressure sensor module and the thermistor are respectively and electrically connected with one pin of the connecting socket, and the pins of the connecting socket are respectively and electrically connected with the metal insertion pieces through a flexible circuit board.
Further, be equipped with a stage on the cell wall that the recess is close to the notch, the step section includes first step, second step and third step, be equipped with the sealing washer on the first step, the PCB board sets firmly on the second step, just the inseparable butt of PCB board and sealing washer, the end and the third step fixed connection of stretching into of plug socket, just the terminal surface and the PCB board butt of the end of stretching into of plug socket.
Furthermore, heat conduction silica gel is filled in the temperature sensing blind hole, and the thermistor is fixed in the temperature sensing blind hole by the heat conduction silica gel.
Furthermore, the side surface of the induction section is provided with an external thread.
Further, the air inlet through hole is a stepped hole.
Has the advantages that: in the utility model, the gas pressure sensor module and the thermistor are simultaneously installed in the metal shell, so that the gas pressure and the temperature can be simultaneously measured by adopting one sensor, and the device cost and the installation space are saved; in addition, the grounding end pin of the gas pressure sensor module and the first pin of the thermistor are connected to the same metal insertion sheet, so that the number of the metal insertion sheets is reduced, the structure is more compact, the use is convenient, and the practicability is high.
Drawings
Fig. 1 is an exploded view of an embodiment of the present invention;
fig. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a metal shell;
FIG. 4 is a schematic structural view of the plug assembly;
fig. 5 is an electrical structure diagram of the present invention.
In the figure: 1. the temperature sensing device comprises a metal shell, a PCB (printed Circuit Board), a thermistor, a heat conducting silica gel, a sealing ring, a gas pressure sensor module, a flexible circuit board, a sensing section, a heat conducting silica gel, a sealing ring, a gas pressure sensor module, a connecting socket, a flexible circuit board, a sensing section, a first external thread, a groove, a temperature sensing blind hole, a temperature inlet through hole, a gas inlet through hole, a.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, a preferred embodiment of the temperature and air pressure integrated sensor of the present invention includes a metal casing 1, a PCB Board 2(Printed Circuit Board), and a plug assembly, wherein one end of the metal casing 1 is provided with a protruding sensing section 11, and the side of the sensing section 11 is provided with an external thread 12; a groove 13 is formed in the other end of the metal shell 1, a temperature sensing blind hole 14 extending into the sensing section 11 and an air inlet through hole 15 penetrating through the sensing section 11 are formed in the bottom of the groove 13, a thermistor 3 is fixedly arranged in the temperature sensing blind hole 14, heat-conducting silica gel 4 is filled in the temperature sensing blind hole 14, and the thermistor 3 is fixed in the temperature sensing blind hole 14 by the heat-conducting silica gel 4; the air inlet through hole 15 is a stepped hole. The PCB 2 is fixedly arranged in the groove 13. And a gas pressure sensor module 6 is fixedly arranged on the end surface of the PCB 2 facing the bottom of the groove 13, and the gas pressure sensor module 6 can adopt an XGZP6857 type gas pressure sensor module.
As shown in fig. 3, a step is provided on a groove wall of the groove 13 near the notch, the step includes a first step 16, a second step 17 and a third step 18, the first step 16 is provided with a sealing ring 5, the PCB 2 is fixedly provided on the second step 17, and the PCB 2 is tightly abutted to the sealing ring 5.
As shown in fig. 4, the plug assembly includes a socket 35, a plurality of metal plug pieces are fixedly disposed on the socket 35, and preferably, four metal plug pieces are disposed on the socket 35 side by side, which are a first metal plug piece 31, a second metal plug piece 32, a third metal plug piece 33, and a fourth metal plug piece 34. One end of the socket 35 extends into the groove 13 and is fixedly connected with the third step 18, preferably, the extending end of the socket 35 is fixed with the third step 18 through clamping, and the end surface of the extending end of the socket 35 is abutted against the PCB 2.
As shown in fig. 5, a connection socket 7 is provided on the PCB 2, each of the pins of the gas pressure sensor module 6 and the thermistor 3 is electrically connected to one pin of the connection socket 7, and each of the pins of the connection socket 7 is electrically connected to each of the metal insertion pieces through a flexible circuit board 8. A power terminal pin Vs of the gas pressure sensor module 6 is electrically connected to a first pin of the connection socket 7, a signal terminal pin Vout is electrically connected to a second pin of the connection socket 7, a ground terminal pin GND of the gas pressure sensor module 6 and the first pin of the thermistor 3 are both electrically connected to a third pin of the connection socket 7, and the second pin of the thermistor 3 is electrically connected to a fourth pin of the connection socket 7. The first pin, the second pin, the third pin and the fourth pin of the connection socket 7 are electrically connected with the first metal plug-in sheet 31, the second metal plug-in sheet 32, the third metal plug-in sheet 33 and the fourth metal plug-in sheet 34 in a one-to-one correspondence manner through the flexible circuit board 8.
The working principle of the embodiment is as follows:
as shown in fig. 1 to 5, when the temperature and pressure integrated sensor is used, the external thread 12 on the side surface of the sensing section 11 is used for fixing the temperature and pressure integrated sensor in an environment to be tested, and the first metal plug sheet 31 and the third metal plug sheet 33 are used for supplying power to the gas pressure sensor module 6, so that the gas pressure sensor module 6 works. When the gas of external test environment enters the groove 13 through the pressure through hole 15 and acts on the gas pressure sensor module 6, the gas pressure sensor module 6 senses corresponding pressure and transmits pressure data through the second metal insertion sheet 32, so that the gas pressure data of the test environment is obtained. Meanwhile, the thermistor 3 senses the ambient temperature through the heat-conducting silica gel 4 and the sensing section 11, the resistance value of the thermistor changes correspondingly with the ambient temperature, and the resistance value of the thermistor 3 can be acquired through the third metal plug piece 33 and the fourth metal plug piece 34, so that the temperature data of the test environment can be acquired.
In the embodiment, the gas pressure sensor module 6 and the thermistor 3 are simultaneously installed in the metal shell 1, and the gas pressure and the temperature can be simultaneously measured by adopting one sensor, so that the device cost and the installation space are saved; in addition, the grounding terminal pin of the gas pressure sensor module 6 and the first pin of the thermistor 3 are connected to the same metal insertion sheet, so that the number of the metal insertion sheets is reduced, the structure is more compact, the use is convenient, and the practicability is high.
The utility model discloses do not describe the part unanimously with prior art, do not describe herein any more.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.
Claims (7)
1. A temperature and air pressure integrated sensor comprises a metal shell, a PCB and a plug assembly, and is characterized in that one end of the metal shell is provided with an extending induction section, the other end of the metal shell is provided with a groove, the bottom of the groove is provided with a temperature sensing blind hole extending into the induction section and an air inlet through hole penetrating through the induction section, a thermistor is fixedly arranged in the temperature sensing blind hole, the PCB is fixedly arranged in the groove, and an air pressure sensor module is fixedly arranged on the end surface of the PCB facing the bottom of the groove;
the plug assembly comprises a plug socket, a plurality of metal insertion pieces are fixedly arranged on the plug socket, one end of the plug socket extends into the groove and is fixedly connected with the groove wall of the groove, and the extending end of the plug socket is abutted against the PCB; and each pin of the gas pressure sensor module is electrically connected with a metal plug sheet, and the two pins of the thermistor are also electrically connected with a metal plug sheet.
2. The integrated temperature and pressure sensor according to claim 1, wherein four metal plugs are disposed side by side on the socket, and are respectively a first metal plug, a second metal plug, a third metal plug, and a fourth metal plug, the power terminal pin of the gas pressure sensor module is electrically connected to the first metal plug, the signal terminal pin is electrically connected to the second metal plug, the ground terminal pin of the gas pressure sensor module and the first pin of the thermistor are both electrically connected to the third metal plug, and the second pin of the thermistor is electrically connected to the fourth metal plug.
3. The integrated temperature and pressure sensor according to claim 1, wherein the PCB is provided with a connection socket, each of the pins of the gas pressure sensor module and the thermistor is electrically connected to a pin of the connection socket, and each of the pins of the connection socket is electrically connected to each of the metal contact strips through a flexible printed circuit board.
4. The integrated temperature and pressure sensor according to claim 1, wherein a step is provided on a wall of the groove adjacent to the notch, the step includes a first step, a second step and a third step, the first step is provided with a sealing ring, the PCB is fixed on the second step and is tightly abutted against the sealing ring, the extending end of the socket is fixedly connected with the third step, and an end face of the extending end of the socket is abutted against the PCB.
5. The integrated temperature and pressure sensor according to claim 1, wherein the temperature sensing blind hole is filled with a heat conductive silica gel, and the heat conductive silica gel fixes the thermistor in the temperature sensing blind hole.
6. The integrated temperature and pressure sensor according to claim 1, wherein the sensing section is externally threaded on a side thereof.
7. The integrated temperature and pressure sensor according to claim 1, wherein the inlet through hole is a stepped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222359.7U CN212779378U (en) | 2020-09-30 | 2020-09-30 | Temperature and air pressure integrated sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222359.7U CN212779378U (en) | 2020-09-30 | 2020-09-30 | Temperature and air pressure integrated sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212779378U true CN212779378U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022222359.7U Active CN212779378U (en) | 2020-09-30 | 2020-09-30 | Temperature and air pressure integrated sensor |
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| CN (1) | CN212779378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447191A (en) * | 2021-09-01 | 2021-09-28 | 南京沃天科技股份有限公司 | But rapid Assembly's two pressure transmitter that insert that connect |
| CN114019116A (en) * | 2022-01-10 | 2022-02-08 | 云图启迪(南京)科技有限公司 | Gas monitoring devices is pressed in controllable control by temperature change |
-
2020
- 2020-09-30 CN CN202022222359.7U patent/CN212779378U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447191A (en) * | 2021-09-01 | 2021-09-28 | 南京沃天科技股份有限公司 | But rapid Assembly's two pressure transmitter that insert that connect |
| CN114019116A (en) * | 2022-01-10 | 2022-02-08 | 云图启迪(南京)科技有限公司 | Gas monitoring devices is pressed in controllable control by temperature change |
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