CN214708413U - Heat dissipation device for sensor of air quality monitoring system - Google Patents
Heat dissipation device for sensor of air quality monitoring system Download PDFInfo
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- CN214708413U CN214708413U CN202022967019.7U CN202022967019U CN214708413U CN 214708413 U CN214708413 U CN 214708413U CN 202022967019 U CN202022967019 U CN 202022967019U CN 214708413 U CN214708413 U CN 214708413U
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Abstract
This patent relates to sensor heat dissipation technical field. The patent provides a heat abstractor for air quality monitoring system sensor, includes: the cooling device comprises a cooling fin, a cooling fin outer cover, a fan, a temperature controller, an air chamber, an air monitoring sensor and a temperature sensor; the radiating fins and the radiating fin outer covers are tightly connected to form a passage from bottom to top; the fans are respectively positioned at the upper end of the air chamber and the upper end of the radiating fin; the air chamber is connected with the radiating fins. This patent is passed through fin and fan and is initiatively cooled down the heat dissipation when the air chamber high temperature, and the stop work when the temperature is low excessively guarantees that the sensor does not work at high temperature environment, improves the performance of sensor, prolongs the life of sensor.
Description
Technical Field
This patent relates to sensor heat dissipation technical field.
Background
The miniature ambient air quality monitoring system is an on-line monitoring device based on a sensor technology. Can be used for monitoring SO2、NO2、CO、O3、TVOC、NH3、H2S, HCL, and the like. The device has the advantages of small volume, light weight, energy conservation, environmental protection, low cost and convenient gridding distribution.
The sensor is a detection device which can sense the measured information and convert the sensed information into an electric signal or other information in a required form according to a certain rule to output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like.
The air chamber and the sensor in the existing air quality monitoring system are directly installed inside the case, the air chamber is in direct contact with the case, and the temperature of the air chamber can be influenced by the temperature of the case. The temperature of the case of the air quality monitoring system can be increased rapidly due to sun exposure in summer, and the temperature of the air chamber and the sensor can be increased along with the increase of the temperature of the air chamber and the sensor, so that the performance of the sensor is influenced.
When the electrochemical sensor works at a higher temperature, the electrochemical sensor is damaged due to the drying of electrolyte and other reasons; when the machine case is exposed to the sun in summer, the temperature in the machine case can be sharply increased, so that the temperature of the air chamber can be correspondingly increased, the service life of the sensor can be shortened in a high-temperature environment, and the performance of the sensor can be reduced.
Disclosure of Invention
The patent provides a heat abstractor for air quality monitoring system sensor, includes: the cooling device comprises a cooling fin 1, a cooling fin outer cover 2, a fan 3, a temperature controller 4, an air chamber 5, an air monitoring sensor 6 and a temperature sensor 7.
The radiating fins 1 and the radiating fin outer cover 2 are tightly connected to form a passage from bottom to top.
The fans 3 are respectively positioned at the upper end of the air chamber 5 and the upper end of the radiating fin 2.
The air chamber 5 is connected with the heat sink 1.
The center of the air chamber 5 is provided with 1 phi 6 through hole, mounting holes of the gas monitoring sensor 6 are reserved on two sides of the air chamber 5, and the mounting holes are respectively communicated with the central phi 6 hole.
The gas monitoring sensors 6 are respectively arranged at two sides of the gas chamber 5.
The temperature sensor 7 is installed at the air inlet end close to the lower end of the air chamber 5.
The temperature controller 4 measures the temperature of the air chamber 5 in real time through the temperature sensor 7, and the temperature controller 4 controls the on-off of the fan 3 according to data measured by the temperature sensor 7 in real time.
This patent is passed through fin and fan and is initiatively cooled down the heat dissipation when the air chamber high temperature, and the stop work when the temperature is low excessively guarantees that the sensor does not work at high temperature environment, improves the performance of sensor, prolongs the life of sensor.
Drawings
Fig. 1 is a schematic view of a heat dissipation device.
Here, 1 is a heat sink, 2 is a heat sink cover, 3 is a heat sink fan, 4 is a temperature controller, 5 is an intake fan, 6 is a gas chamber, 7 is a gas monitoring sensor, and 8 is a temperature sensor.
Detailed Description
Examples
The patent provides a heat abstractor for air quality monitoring system sensor, includes: the cooling device comprises a cooling fin 1, a cooling fin outer cover 2, a fan 3, a temperature controller 4, an air chamber 5, an air monitoring sensor 6 and a temperature sensor 7.
The radiating fins 1 and the radiating fin outer cover 2 are tightly connected to form a passage from bottom to top.
The fan 3 is respectively positioned at the upper end of the air chamber 5 and the upper end of the radiating fin 2, and the fan can upwards exhaust air to realize active heat dissipation of the air chamber 5, the gas monitoring sensor 6, the radiating fin 1 and the temperature sensor 4. And heat-conducting silicone grease is coated between the air chamber 5 and the heat radiating fin 1, and the air chamber and the heat radiating fin are mounted together through screws.
The center of the air chamber 5 is provided with 1 phi 6 through hole, mounting holes of the gas monitoring sensor 6 are reserved on two sides of the air chamber 5, and the mounting holes are respectively communicated with the central phi 6 hole. The gas monitoring sensors 6 are respectively installed at two sides of the gas chamber 5, and the number and installation size of the gas monitoring sensors 6 can be adjusted according to actual needs, and are not limited to those shown in the figure.
When the fan 3 works, air is upwards pumped, and the air passes through each sensor respectively.
The temperature sensor 7 is arranged at the air inlet end close to the lower end of the air chamber.
The temperature controller 4 measures the temperature of the air chamber 5 in real time through the temperature sensor 7, and the temperature controller 4 controls the on-off of the fan 3 according to data measured by the temperature sensor 7 in real time. The fan 3 is not started when the temperature is lower than 35 ℃, the fan 3 is started when the temperature is higher than 35 ℃, and the fan 3 stops working when the temperature is lower than 30 ℃.
This patent is passed through fin and fan and is initiatively cooled down the heat dissipation when the air chamber high temperature, and the stop work when the temperature is low excessively guarantees that the sensor does not work at high temperature environment, improves the performance of sensor, prolongs the life of sensor.
Claims (8)
1. A heat sink for a sensor of an air quality monitoring system, comprising:
the cooling device comprises a cooling fin, a cooling fin outer cover, a fan, a temperature controller, an air chamber, an air monitoring sensor and a temperature sensor.
2. The apparatus of claim 1 wherein said heat sink and heat sink housing are closely connected to form a bottom-up path.
3. The apparatus of claim 1 wherein the fans are located at the upper end of the plenum and the upper end of the heat sink, respectively.
4. The apparatus of claim 1, wherein the plenum is coupled to a heat sink.
5. The device as claimed in claim 1, wherein the gas chamber has 1 phi 6 through hole in the center, and mounting holes for the gas monitoring sensors are reserved on both sides of the gas chamber and are respectively communicated with the phi 6 through hole in the center.
6. The apparatus of claim 1, wherein the gas monitoring sensors are respectively mounted on both sides of the gas chamber.
7. The apparatus of claim 1, wherein the temperature sensor is mounted to the air inlet end proximate the lower end of the plenum.
8. The apparatus of claim 1, wherein the temperature controller measures the temperature of the air chamber in real time through the temperature sensor, and the temperature controller controls the on/off of the fan according to data measured in real time by the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022967019.7U CN214708413U (en) | 2020-12-10 | 2020-12-10 | Heat dissipation device for sensor of air quality monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022967019.7U CN214708413U (en) | 2020-12-10 | 2020-12-10 | Heat dissipation device for sensor of air quality monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214708413U true CN214708413U (en) | 2021-11-12 |
Family
ID=78557603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022967019.7U Active CN214708413U (en) | 2020-12-10 | 2020-12-10 | Heat dissipation device for sensor of air quality monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214708413U (en) |
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2020
- 2020-12-10 CN CN202022967019.7U patent/CN214708413U/en active Active
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