CN221238968U - High-temperature-resistant airflow sensor - Google Patents
High-temperature-resistant airflow sensor Download PDFInfo
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- CN221238968U CN221238968U CN202322984503.4U CN202322984503U CN221238968U CN 221238968 U CN221238968 U CN 221238968U CN 202322984503 U CN202322984503 U CN 202322984503U CN 221238968 U CN221238968 U CN 221238968U
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- temperature resistant
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- 238000001514 detection method Methods 0.000 claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims description 22
- 238000000576 coating method Methods 0.000 claims description 22
- 230000017525 heat dissipation Effects 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 15
- 239000000428 dust Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a high-temperature-resistant airflow sensor, which comprises a sensor shell, wherein the sensor shell is arranged above a sensor base, a detection cavity is formed in the sensor base, an air inlet connection end and an air outlet connection end are respectively formed in two sides of the sensor base, a detection component is arranged in the detection cavity, an internal component is arranged in the sensor shell, and the detection component is electrically connected with the internal component; the connecting cover is arranged above the sensor shell, the radiating window is arranged on the connecting cover, the fan is arranged inside the connecting cover, the elastic connecting seat is arranged between the fan and the connecting cover, the detachable radiating structure is arranged at the top end of the shell, the air flow of the air flow sensor is accelerated through the fan to radiate heat, the temperature environment inside the sensor is controlled, the operation of overhigh internal temperature of the air flow sensor is avoided, and the high temperature resistance of the air flow sensor is indirectly improved.
Description
Technical Field
The utility model relates to the technical field of airflow sensors, in particular to a high-temperature-resistant airflow sensor.
Background
The airflow sensor generally realizes functions through linkage of parts such as a through hole, a shell hole and a vibrating diaphragm on a PCB (printed circuit board), plays an important role in an air conditioning system, and can monitor the flowing condition of indoor air and adjust the wind speed and direction of the air conditioner according to the requirement so as to provide a comfortable indoor environment. By detecting and controlling the airflow, the airflow sensor may help to improve the performance and energy saving performance of the air conditioning system.
The Chinese patent publication No. CN216433023U, the authorized bulletin day is 2022, 05 and 03, and the air flow sensor comprises a PCB and a shell fixed on the PCB, wherein a packaging structure is formed between the shell and the PCB; the inside of packaging structure is provided with the vibrating piece PCB with the position that the shell combines together is provided with first through-hole, the vibrating piece passes through first through-hole response external air current vibration. The utility model can solve the problem that the traditional air flow sensor has poor high-pressure air flow resistance in the test process.
The existing air flow sensor is poor in high temperature resistance, heat generated by the operation of the air flow sensor cannot be discharged in time, the temperature in the air flow sensor is too high, the air flow sensor is used in a high-temperature environment, the inner structure of the air flow sensor is easily damaged due to high temperature, the service life of the air flow sensor is shortened, and the use requirement cannot be met.
Disclosure of utility model
The utility model aims to provide a high-temperature-resistant air flow sensor, which aims to solve the problems that the prior air flow sensor is poor in high-temperature resistance, heat generated by the work of the air flow sensor cannot be timely discharged, the temperature in the air flow sensor is too high, the air flow sensor is used in a high-temperature environment, the internal structure of the air flow sensor is easily damaged due to high temperature, the service life of the air flow sensor is shortened, and the use requirement cannot be met.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a high temperature resistant airflow sensor comprising a sensor base, further comprising:
the sensor comprises a sensor base, a sensor shell, a power line, a detection assembly and an internal element assembly, wherein the sensor shell is arranged above the sensor base and is fixedly connected with the sensor base, a detection cavity is formed in the sensor base, an air inlet connecting end and an air outlet connecting end are respectively arranged on two sides of the sensor base and are connected with the sensor base into a whole, the air inlet connecting end and the air outlet connecting end are communicated with the detection cavity, the detection cavity is internally provided with the detection assembly, the sensor shell is internally provided with the internal element assembly, the detection assembly and the internal element assembly are fixedly connected with the sensor shell, the detection assembly is electrically connected with the internal element assembly, the power line is arranged on one side of the sensor shell, and the power line is connected with the sensor shell into a whole;
the connecting cover is arranged above the sensor shell and is in threaded connection with the sensor shell, the radiating window is arranged on the connecting cover, the fan is arranged inside the connecting cover and is arranged on the inner side of the radiating window, the elastic connecting seat is arranged between the fan and the connecting cover and is fixedly connected with the connecting cover and the fan.
Preferably, the upper end of the inside of the heat dissipation window is provided with a dust screen, the inside of the heat dissipation window is provided with a ventilation membrane, the ventilation membrane is arranged on the inner side of the dust screen, and the dust screen and the ventilation membrane are connected with the connecting cover into a whole.
Preferably, the outside of sensor housing is provided with the fin, and the fin is provided with sixteen at least, and the fin is at the outside equidistance setting of sensor housing, the fin sets up as an organic wholely with the sensor housing, be provided with the conducting strip on the inner wall of sensor housing, the conducting strip is provided with two, and conducting strip and sensor housing fixed connection.
Preferably, the outer wall of the sensor housing is provided with a heat insulation coating, the heat insulation coating and the sensor housing are coated into a whole, the inside of the sensor housing is provided with drying blocks, the drying blocks are provided with two drying blocks, the two drying blocks are arranged on two sides of the inner element assembly, and the drying blocks are fixedly connected with the sensor housing.
Preferably, a data transmitter is arranged above the internal element assembly, and the data transmitter is fixedly connected with the internal element assembly.
Preferably, the exterior of the inner element assembly is provided with a high temperature resistant coating, and the high temperature resistant coating is integrally coated with the inner element assembly.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the device, through the arrangement of the connecting cover, the radiating window, the fan and the high-temperature-resistant coating, the upper end opening of the sensor shell is closed by the connecting cover, the fan accelerates the air flow at one side of the radiating window, the heat in the sensor is discharged from the radiating window faster, the temperature in the sensor is controlled, the high-temperature operation in the sensor is avoided, the high-temperature-resistant performance of the internal element assembly is improved by the high-temperature-resistant coating, and the high-temperature-resistant use effect of the sensor is improved;
2. According to the device, through the arrangement of the radiating fins, the heat conducting fins and the heat insulating coating, the radiating fins form vortex on the outer surface of the sensor shell, so that the heat dissipation of the sensor shell can be accelerated, the heat conducting fins absorb and conduct the heat in the sensor shell to the sensor shell, the heat dissipation is faster, the working temperature of the airflow sensor is indirectly controlled, the heat insulating coating can prevent the external heat from being conducted into the sensor, and the high temperature resistance of the sensor is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of a portion of area A of FIG. 2 in accordance with the present utility model;
fig. 4 is a cross-sectional view of a sensor housing of the present utility model.
In the figure: 1. a sensor base; 2. a sensor housing; 3. an air inlet connection end; 4. a power line; 5. a connection cover; 6. a heat radiation window; 7. a dust screen; 8. a detection chamber; 9. a detection assembly; 10. the air outlet connecting end; 11. an internal component assembly; 12. drying the blocks; 13. a heat radiation fin; 14. a high temperature resistant coating; 15. a data transmitter; 16. a fan; 17. an elastic connecting seat; 18. a breathable membrane; 19. a heat conductive sheet; 20. and (5) a thermal insulation coating.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: a high temperature resistant airflow sensor comprising a sensor base 1, further comprising:
The sensor comprises a sensor housing 2, a sensor base 1, a sensor assembly 9, an internal element assembly 11, a power wire 4 and a sensor housing 2, wherein the sensor housing 2 is arranged above the sensor base 1, the sensor housing 2 is fixedly connected with the sensor base 1, a detection cavity 8 is arranged in the sensor base 1, an air inlet connecting end 3 and an air outlet connecting end 10 are respectively arranged on two sides of the sensor base 1, the air inlet connecting end 3 and the air outlet connecting end 10 are connected with the sensor base 1 into a whole, the air inlet connecting end 3 and the air outlet connecting end 10 are communicated with the detection cavity 8, the detection assembly 9 is arranged in the detection cavity 8, the internal element assembly 11 is arranged in the sensor housing 2, the detection assembly 9 and the internal element assembly 11 are fixedly connected with the sensor housing 2, the detection assembly 9 is electrically connected with the internal element assembly 11, the power wire 4 is arranged on one side of the sensor housing 2, and the power wire 4 is connected with the sensor housing 2 into a whole;
the connecting cover 5 is arranged above the sensor housing 2, the connecting cover 5 is in threaded connection with the sensor housing 2, the radiating window 6 is arranged on the connecting cover 5, the fan 16 is arranged inside the connecting cover 5, the fan 16 is arranged on the inner side of the radiating window 6, the elastic connecting seat 17 is arranged between the fan 16 and the connecting cover 5, and the elastic connecting seat 17 is fixedly connected with the connecting cover 5 and the fan 16.
When in use, the utility model is characterized in that: the air inlet connecting end 3 and the air outlet connecting end 10 are respectively connected with a pipeline to be tested, the fan 16 is started when the air flow sensor works, the air flow inside the radiating window 6 is quickened by the fan 16, the heat inside the sensor is discharged from the radiating window 6 by utilizing the fast flowing air flow, the radiating efficiency of the sensor is improved, the temperature environment inside the sensor is indirectly controlled, the high-temperature operation inside the sensor is avoided, and the high-temperature resistant effect of the air flow sensor is improved.
Referring to fig. 1,2 and 3, the upper end of the interior of the heat dissipation window 6 is provided with a dust screen 7, the interior of the heat dissipation window 6 is provided with a ventilation membrane 18, and the ventilation membrane 18 is arranged on the inner side of the dust screen 7, the dust screen 7 and the ventilation membrane 18 are connected with the connecting cover 5 into a whole, dust is prevented from entering the interior of the sensor from the heat dissipation window 6 through the dust screen 7, and the ventilation membrane 18 allows gas to pass through, so that water permeation is avoided.
Referring to fig. 1, 2 and 4, the outside of the sensor housing 2 is provided with heat dissipation fins 13, the heat dissipation fins 13 are provided with at least sixteen, and the heat dissipation fins 13 are equidistantly arranged outside the sensor housing 2, the heat dissipation fins 13 and the sensor housing 2 are integrally arranged, the inner wall of the sensor housing 2 is provided with heat conducting fins 19, the heat conducting fins 19 are provided with two heat conducting fins, and the heat conducting fins 19 are fixedly connected with the sensor housing 2, and eddy currents are formed on the outer surface of the sensor housing 2 through the heat dissipation fins 13, so that heat dissipation of the sensor housing 2 is quickened, and the heat conducting fins 19 quickly absorb and conduct heat in the sensor to the sensor housing 2, so that heat dissipation is faster.
Referring to fig. 2 and 4, a thermal insulation coating 20 is disposed on an outer wall of the sensor housing 2, the thermal insulation coating 20 and the sensor housing 2 are integrally coated, a drying block 12 is disposed inside the sensor housing 2, two drying blocks 12 are disposed on two sides of an inner element assembly 11, the drying block 12 is fixedly connected with the sensor housing 2, external heat can be prevented from being transferred to the inside of the sensor through the thermal insulation coating 20, and the drying block 12 absorbs moisture in the sensor to ensure environmental drying in the sensor.
Referring to fig. 2, a data transmitter 15 is disposed above the internal component assembly 11, and the data transmitter 15 is fixedly connected with the internal component assembly 11, and the data transmitter 15 uploads the detected data to the terminal, so as to facilitate remote monitoring.
Referring to fig. 2 and 4, the high temperature resistant coating 14 is disposed on the outer portion of the inner component 11, and the high temperature resistant coating 14 is integrally coated with the inner component 11, so that the high temperature resistant performance of the inner component 11 is improved by the high temperature resistant coating 14, and normal operation can be ensured at a certain high temperature.
Working principle: the air inlet connecting end 3 and the air outlet connecting end 10 are respectively connected with a pipeline to be tested, the fan 16 is started when the air flow sensor works, the fan 16 quickens the air flow inside the radiating window 6, the heat inside the sensor is discharged from the radiating window 6 by utilizing the air flow which flows fast, the radiating efficiency of the sensor is improved, the temperature environment inside the sensor is indirectly controlled, the radiating fins 13 form vortex on the outer surface of the sensor shell 2, the heat of the sensor shell 2 is quickened, the heat conduction sheet 19 quickly absorbs and conducts the heat inside the sensor to the sensor shell 2, the heat is radiated faster, the high-temperature operation inside the sensor is avoided, and the high-temperature resistant effect of the air flow sensor is improved. The heat-insulating coating 20 can prevent external heat from being transferred to the inside of the sensor, and the high-temperature-resistant coating 14 improves the high-temperature resistance of the internal element assembly 11 and can ensure normal operation at a certain high temperature.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. High temperature resistant air flow sensor, comprising a sensor base (1), characterized in that it further comprises:
The sensor comprises a sensor base (1), a sensor shell (2) and a detection component (9), wherein the sensor shell (2) is fixedly connected with the sensor base (1), a detection cavity (8) is formed in the sensor base (1), an air inlet connecting end (3) and an air outlet connecting end (10) are respectively formed in two sides of the sensor base (1), the air inlet connecting end (3) and the air outlet connecting end (10) are connected with the sensor base (1) into a whole, the air inlet connecting end (3) and the air outlet connecting end (10) are communicated with the detection cavity (8), the detection component (9) is arranged in the detection cavity (8), an internal component assembly (11) is arranged in the sensor shell (2), the detection component (9) and the internal component assembly (11) are fixedly connected with the sensor shell (2), the detection component (9) is electrically connected with the internal component assembly (11), a power line (4) is arranged on one side of the sensor shell (2), and the power line (4) is connected with the sensor shell (2) into a whole;
The connecting cover (5) is arranged above the sensor shell (2), the connecting cover (5) is in threaded connection with the sensor shell (2), the radiating window (6) is arranged on the connecting cover (5), the fan (16) is arranged inside the connecting cover (5), the fan (16) is arranged on the inner side of the radiating window (6), the elastic connecting seat (17) is arranged between the fan (16) and the connecting cover (5), and the elastic connecting seat (17) is fixedly connected with the connecting cover (5) and the fan (16).
2. A high temperature resistant airflow sensor according to claim 1, wherein: the inside upper end of heat dissipation window (6) is provided with dust screen (7), the inside of heat dissipation window (6) is provided with ventilative diaphragm (18), and ventilative diaphragm (18) set up the inboard at dust screen (7), dust screen (7) and ventilative diaphragm (18) are connected as an organic wholely with connecting lid (5).
3. A high temperature resistant airflow sensor according to claim 1, wherein: the sensor is characterized in that radiating fins (13) are arranged outside the sensor housing (2), at least sixteen radiating fins (13) are arranged, the radiating fins (13) are arranged outside the sensor housing (2) at equal intervals, the radiating fins (13) and the sensor housing (2) are arranged into a whole, heat conducting fins (19) are arranged on the inner wall of the sensor housing (2), the heat conducting fins (19) are arranged in two, and the heat conducting fins (19) are fixedly connected with the sensor housing (2).
4. A high temperature resistant airflow sensor according to claim 1, wherein: the sensor is characterized in that a thermal insulation coating (20) is arranged on the outer wall of the sensor shell (2), the thermal insulation coating (20) and the sensor shell (2) are coated into a whole, a drying block (12) is arranged in the sensor shell (2), two drying blocks (12) are arranged, the two drying blocks (12) are arranged on two sides of the inner element assembly (11), and the drying blocks (12) are fixedly connected with the sensor shell (2).
5. A high temperature resistant airflow sensor according to claim 1, wherein: a data emitter (15) is arranged above the inner element assembly (11), and the data emitter (15) is fixedly connected with the inner element assembly (11).
6. A high temperature resistant airflow sensor according to claim 1, wherein: the exterior of the inner element assembly (11) is provided with a high temperature resistant coating (14), and the high temperature resistant coating (14) and the inner element assembly (11) are coated as a whole.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221238968U true CN221238968U (en) | 2024-06-28 |
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