CN220508102U - Integrated temperature-humidity-pressure sensor - Google Patents
Integrated temperature-humidity-pressure sensor Download PDFInfo
- Publication number
- CN220508102U CN220508102U CN202321752943.0U CN202321752943U CN220508102U CN 220508102 U CN220508102 U CN 220508102U CN 202321752943 U CN202321752943 U CN 202321752943U CN 220508102 U CN220508102 U CN 220508102U
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- circuit board
- humidity
- sensor
- ventilation
- integrated temperature
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- 238000009423 ventilation Methods 0.000 claims abstract description 41
- 239000012528 membrane Substances 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an integrated temperature and humidity pressure sensor which comprises a sensor shell and a circuit board, wherein a closed cavity structure is formed in the sensor shell, the circuit board is fixedly connected in the cavity, a ventilation cover capable of being communicated with the cavity is arranged at the top of the sensor shell, and a ventilation slot hole is formed in one end of the circuit board extending into the ventilation cover. According to the utility model, the ventilation slot holes are formed in the circuit board, so that the blocking of the inside of the sensor housing to the ventilation is reduced, the ventilation performance of the air is improved, and the sensor housing is arranged to be detachably screwed and connected, so that the sensor housing is convenient to detach and the filter membrane is convenient to replace, and the detection precision of the sensor is improved.
Description
Technical Field
The utility model relates to the technical field of meteorological and atmospheric environment equipment, in particular to an integrated temperature, humidity and pressure sensor.
Background
In the fields of weather and atmospheric environment, an integrated temperature-humidity-pressure sensor is directly contacted with the atmosphere when being installed in indoor and outdoor measurement, and many of the sensors are in severe environments such as industrial areas, fields and the like. In the long-time use of the sensor, the filter membrane pores are easily blocked due to the adhesion of dust and pollutants, so that the air flow of external air and an air chamber inside the sensor is reduced, and the accuracy of the measurement of the sensor is affected. Meanwhile, under the condition of temperature and humidity pressure damage, the cable is required to be removed for replacement of the common temperature and humidity pressure sensor on the market, so that the cable is troublesome to replace and the like is easy to cause wrong connection, in addition, the temperature and humidity and the air pressure chip in the integrated temperature and humidity pressure sensor are easy to be influenced by heat dissipation of the acquisition circuit, and measurement data are caused to have deviation.
The patent document with the prior patent publication number of CN 212179958U discloses a pen type temperature, humidity and pressure three-in-one weather sensor, which comprises a tip of a temperature, humidity and pressure acquisition part, wherein the tip is connected with a rod type main body through a connecting piece; the rod-type main body can be mounted on an indoor wall through a fixing clip; the upper end of the end head can be arranged outdoors through an outdoor ventilation hood, the outdoor ventilation hood comprises a shutter, two sides of a plurality of blades on the shutter are connected together through stud bolts, and butterfly nuts are connected with the bottoms of the stud bolts in a threaded manner; a lock nut is arranged in the middle of the lower end of the shutter, the lower end of the lock nut is in threaded connection with a lock head, and the lower end of the lock head and the end head are installed together; the shutter lower extreme circumference is provided with a plurality of support, and this trinity meteorological sensor of warm-wet pressure structure of pen formula is small and exquisite, cooperates special accessory, can realize the nimble application of different scenes.
However, the window opening position area is limited, and the inner circuit board shields the air ventilation area, so that the air ventilation of the inner air chamber and the outer air chamber is not smooth, and the generated heat is easy to influence the sensor.
Disclosure of Invention
The utility model aims to solve the technical problem of improving the air circulation inside and outside the sensor.
The utility model solves the technical problems by the following technical means: the utility model provides an integral type temperature and humidity pressure sensor, includes sensor housing, circuit board, airtight cavity structure has been seted up in the sensor housing, circuit board fixed connection is in the cavity, the sensor housing top is equipped with the ventilation hood that can be linked together with the cavity, ventilation slotted hole has been seted up to the one end that the circuit board stretched into the ventilation hood.
By arranging the ventilation slot holes on the circuit board, the blocking of the inside of the sensor shell to ventilation is reduced, and the ventilation performance of the air is improved.
As the preferable technical scheme, the sensor shell comprises a sensor shell, a connecting piece and a rod-type main body, wherein the sensor shell is positioned at the top and fixedly connected with the rod-type main body through the connecting piece, and a ventilation window matched with the ventilation hood is formed in the sensor shell.
As the preferable technical scheme, the two ends of the connecting piece are respectively connected with the sensor shell and the rod-type main body in a screwing way, the ventilation hood comprises a filtering membrane, one end of the filtering membrane is fixed with the connecting piece, and the other end of the filtering membrane is fixed with the sensor shell.
Through setting up the sensor casing to detachable soon and closing the connection, convenient to detach sensor casing is convenient for change filtration membrane to the detection precision of sensor has been improved.
As the preferable technical scheme, the sensor shell further comprises a plug, the plug is fixedly connected to one end of the rod-type main body, which is away from the connecting piece, the sensor shell and the connecting piece enclose to form a first airtight cavity structure, and the connecting piece, the rod-type main body and the plug enclose to form a second airtight cavity structure.
As the preferable technical scheme, one end of the circuit board extending into the first closed cavity structure is provided with a sensor, and the sensor and the ventilation slotted holes are sequentially arranged along the height direction of the circuit board.
As the preferable technical scheme, one end of the circuit board extending into the second closed cavity structure is electrically connected with the plug through a wire.
As the preferable technical scheme, the circuit board is fixedly clamped with the connecting piece, and the connecting piece is provided with a through hole matched with the circuit board.
As a preferred technical scheme, the plug is in interference fit with one end of the rod-type main body, which is away from the connecting piece.
As the preferable technical scheme, one end of the circuit board extending into the first closed cavity structure is further provided with a connecting part, and the width of the connecting part is gradually reduced from one end of the connecting part facing the connecting part to one end deviating from the connecting part.
By arranging the width of the connecting part of the circuit board to be gradually reduced from one end of the connecting part facing the connecting part to one end of the connecting part facing away from the connecting part, the heat transmission is reduced by adopting a mode of reducing the size of the circuit board.
As a preferred technical solution, a plurality of ventilation windows are distributed at equal angles along the circumference of the sensor housing.
The utility model has the advantages that:
(1) According to the utility model, the ventilation slot holes are formed in the circuit board, so that the blocking of the inside of the sensor shell to the ventilation is reduced, and the ventilation performance of the air is improved.
(2) According to the utility model, the sensor shell is detachably screwed, so that the sensor shell is convenient to detach and the filter membrane is convenient to replace, and the detection precision of the sensor is improved.
(3) In the utility model, the width of the connecting part of the circuit board is gradually reduced from one end of the connecting part facing the connecting part to one end of the connecting part facing away from the connecting part, and the heat transmission is reduced by adopting a mode of reducing the size of the circuit board.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an integrated temperature-humidity-pressure sensor according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of an integrated temperature, humidity and pressure sensor according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of an explosion structure of a sensor housing of an integrated temperature, humidity and pressure sensor according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a sensor housing of an integrated temperature, humidity and pressure sensor according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a filtering membrane structure of an integrated temperature-humidity-pressure sensor according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a connector of an integrated temperature, humidity and pressure sensor according to an embodiment of the present utility model;
fig. 7 is a schematic view of a rod-type main body structure of an integrated temperature-humidity-pressure sensor according to an embodiment of the present utility model;
fig. 8 is a schematic diagram of a plug structure of an integrated temperature, humidity and pressure sensor according to an embodiment of the present utility model;
fig. 9 is a schematic diagram of a front view structure of a circuit board of an integrated temperature, humidity and pressure sensor according to an embodiment of the present utility model;
fig. 10 is a schematic diagram of a circuit board perspective structure of an integrated temperature, humidity and pressure sensor according to an embodiment of the present utility model;
reference numerals: 100. a sensor housing; 200. a filtering membrane; 300. a connecting piece; 301. a through hole; 400. a rod-type main body; 500. a plug; 600. a circuit board; 601. a ventilation slot.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 9, the integrated temperature-humidity-pressure sensor comprises a sensor housing and a circuit board 600, wherein a closed cavity structure is formed in the sensor housing, the circuit board 600 is fixedly connected in the cavity, a ventilation cover which can be communicated with the cavity is arranged at the top of the sensor housing, and a ventilation slot 601 is formed in one end of the circuit board 600 extending into the ventilation cover.
Referring to fig. 1, 2 and 3, the sensor housing comprises a sensor housing 100, a filtering membrane 200, a connecting piece 300, a rod-type main body 400 and a plug 500 which are axially arranged along the sensor housing, the sensor housing 100 is of a cylindrical structure with a cavity arranged in an opening at the bottom, referring to fig. 4, the sensor housing 100 is provided with ventilation windows matched with a ventilation hood, a plurality of ventilation windows are distributed along the circumferential direction of the sensor housing 100 at equal angles, the rod-type main body 400 is of a rod-type structure with two ends communicated, the sensor housing 100 is fixed with the rod-type main body 400 through the connecting piece 300, wherein two ends of the connecting piece 300 are respectively screwed with the sensor housing 100 and the rod-type main body 400 so as to facilitate the replacement of the filtering membrane 200, referring to fig. 5, the ventilation hood comprises the filtering membrane 200, one end of the filtering membrane 200 is fixed with the connecting piece 300, the other end of the filtering membrane is fixed with the sensor housing 100, two ends of the connecting piece 300 are respectively formed with external screw interfaces, the bottom of the sensor housing 100 and the top of the rod-type main body 400 are respectively provided with internal screw interfaces, and the top of the connecting piece 300 is abutted against the filtering membrane 200 in the sensor housing 100.
Referring to fig. 3, the plug 500 is fixedly connected to one end of the rod-type main body 400, which is away from the connecting piece 300, the sensor housing 100 and the connecting piece 300 enclose to form a first closed cavity structure, and the connecting piece 300, the rod-type main body 400 and the plug 500 enclose to form a second closed cavity structure; one end of the circuit board 600 extending into the first closed cavity structure is provided with a sensor, and the sensor and the ventilation slotted holes 601 are sequentially arranged along the height direction of the circuit board 600; one end of the circuit board 600 extending into the second closed cavity structure is electrically connected with the plug 500 through a wire; referring to fig. 8, the sensor housing is connected to an external device through a plug 500, and the circuit board 600 is fastened and fixed to the connector 300, and referring to fig. 6, a through hole 301 adapted to the circuit board 600 is formed in the connector 300, and the plug 500 is in interference fit with one end of the rod-type main body 400, which is away from the connector 300, but is not limited thereto.
Referring to fig. 9 and 10, the end of the circuit board 600 extending into the first closed cavity structure is further provided with a connecting portion, the width of the connecting portion decreases from the end facing the connecting member 300 to the end facing away from the connecting member 300, and by setting the width of the connecting portion of the circuit board 600 to decrease from the end facing the connecting member 300 to the end facing away from the connecting member 300, the heat transmission is reduced by reducing the size of the circuit board 600, and in order to achieve the same technical effect, grooves can be formed at two ends of the connecting portion, thereby reducing the width of the connecting portion.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The integrated temperature-humidity-pressure sensor is characterized by comprising a sensor shell and a circuit board (600), wherein a closed cavity structure is formed in the sensor shell, the circuit board (600) is fixedly connected in the cavity, a ventilation cover which can be communicated with the cavity is arranged at the top of the sensor shell, and a ventilation slot hole (601) is formed in one end of the circuit board (600) extending into the ventilation cover.
2. The integrated temperature-humidity-pressure sensor according to claim 1, wherein the sensor housing comprises a sensor housing (100) positioned at the top, a connecting piece (300) and a rod-type main body (400), the sensor housing (100) is fixedly connected with the rod-type main body (400) through the connecting piece (300), and a ventilation window matched with a ventilation hood is formed in the sensor housing (100).
3. The integrated temperature-humidity-pressure sensor according to claim 2, wherein the two ends of the connecting piece (300) are respectively screwed with the sensor housing (100) and the rod-type main body (400), the ventilation hood comprises a filtering membrane (200), one end of the filtering membrane (200) is fixed with the connecting piece (300), and the other end of the filtering membrane is fixed with the sensor housing (100).
4. The integrated temperature-humidity-pressure sensor according to claim 3, wherein the sensor housing further comprises a plug (500), the plug (500) is fixedly connected to one end of the rod-type main body (400) facing away from the connecting piece (300), the sensor housing (100) and the connecting piece (300) enclose to form a first airtight cavity structure, and the connecting piece (300), the rod-type main body (400) and the plug (500) enclose to form a second airtight cavity structure.
5. The integrated temperature-humidity-pressure sensor according to claim 4, wherein a sensor is arranged at one end of the circuit board (600) extending into the first closed cavity structure, and the sensor and the ventilation slot holes (601) are sequentially arranged along the height direction of the circuit board (600).
6. The integrated temperature-humidity-pressure sensor according to claim 5 wherein one end of the circuit board (600) extending into the second closed cavity structure is electrically connected to the plug (500) by a wire.
7. The integrated temperature-humidity-pressure sensor according to claim 2, wherein the circuit board (600) is clamped and fixed with the connecting piece (300), and a through hole (301) matched with the circuit board (600) is formed in the connecting piece (300).
8. The integrated temperature-humidity-pressure sensor according to claim 4 wherein the plug (500) is an interference fit with an end of the lever body (400) facing away from the connector (300).
9. The integrated temperature-humidity-pressure sensor according to claim 5, wherein the end of the circuit board (600) extending into the first closed cavity structure is further provided with a connecting portion, and the width of the connecting portion decreases from the end facing the connecting member (300) to the end facing away from the connecting member (300).
10. The integrated temperature, humidity and pressure sensor according to claim 2 wherein a plurality of said ventilation windows are equiangularly distributed along the circumference of the sensor housing (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321752943.0U CN220508102U (en) | 2023-07-05 | 2023-07-05 | Integrated temperature-humidity-pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321752943.0U CN220508102U (en) | 2023-07-05 | 2023-07-05 | Integrated temperature-humidity-pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508102U true CN220508102U (en) | 2024-02-20 |
Family
ID=89868576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321752943.0U Active CN220508102U (en) | 2023-07-05 | 2023-07-05 | Integrated temperature-humidity-pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508102U (en) |
-
2023
- 2023-07-05 CN CN202321752943.0U patent/CN220508102U/en active Active
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