CN214592679U - Outdoor high-precision low-noise constant temperature device - Google Patents
Outdoor high-precision low-noise constant temperature device Download PDFInfo
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- CN214592679U CN214592679U CN202122112727.7U CN202122112727U CN214592679U CN 214592679 U CN214592679 U CN 214592679U CN 202122112727 U CN202122112727 U CN 202122112727U CN 214592679 U CN214592679 U CN 214592679U
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- constant temperature
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- low noise
- thermostat
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Abstract
The utility model provides an outdoor high accuracy low noise constant temperature equipment, including the cabinet body, the internal portion of cabinet separates for the heat dissipation cavity on upper strata and the constant temperature cavity of lower floor, and the top of heat dissipation cavity is equipped with first axial fan, installs in the cavity of lower floor with the semiconductor refrigeration ware of the control unit electric connection, heater and temperature sensor, and the lateral part of lower floor's cavity is equipped with fore-and-aft wind channel, and the wind channel bottom communicates with each other with the fresh air inlet that sets up in cabinet body bottom, and the wind channel top communicates with each other with the second axial fan of installing in the median septum with lining up. The utility model provides a pair of outdoor high accuracy low noise constant temperature equipment separates the cabinet body for the constant temperature cavity that upper portion and outdoor intercommunication's heat dissipation cavity and lower part are used for placing monitoring instrument, and the semiconductor cooler of the internal portion adoption cold and hot end tape axial fan of cabinet, constant temperature is effectual, and mechanical part vibrations are little, the noise is low, can reduce the interference to on-line monitoring equipment.
Description
Technical Field
The utility model relates to an outdoor high accuracy low noise constant temperature equipment belongs to trades constant temperature rack technical field such as photoelectricity, petrochemical industry, nuclear energy.
Background
In the industries of photoelectricity, petrifaction, nuclear energy and the like, a plurality of on-line monitoring instruments are placed outdoors and are exposed to environments of high temperature, high humidity, high noise and the like all the year round, and some of the on-line monitoring instruments are very sensitive to the ambient temperature and the noise, so that a high-precision constant-temperature cabinet which is a protection device needs to be additionally arranged on the on-line monitoring instrument, a relatively constant-temperature and quiet environment is provided for the instrument, and the normal operation of the instrument is ensured.
At present, most of existing constant-temperature cabinets adopt a compressor air conditioner refrigeration scheme, and when a compressor works, low-frequency noise can be generated, so that normal work of an online monitoring instrument is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the not enough of prior art, the utility model provides an outdoor high accuracy low noise constant temperature equipment separates the cabinet body for the constant temperature cavity that upper portion and outdoor heat dissipation cavity and lower part that communicate are used for placing monitoring instrument, and the semiconductor refrigerator of internal portion adoption cold and hot end tape axial fan of cabinet, constant temperature is effectual, and mechanical part shakes for a short time, the noise is low, can reduce the interference to on-line monitoring equipment.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides an outdoor high accuracy low noise constant temperature equipment, the intelligent cabinet temperature adjusting device comprises a cabinet body with a door body, the internal portion of cabinet is separated for the heat dissipation cavity who is located the upper strata and the constant temperature cavity who is located the lower floor by the median septum, the top of heat dissipation cavity is equipped with first axial fan, the top surface of heat dissipation cavity is equipped with the thermovent with outside intercommunication all around, install the semiconductor cooler with the control unit electric connection in the cavity of lower floor, cold junction axial fan and hot junction axial fan are installed respectively to the cold junction and the hot junction of semiconductor cooler, wherein the hot junction is located outdoor, the cold junction is located the constant temperature cavity, the lateral part of lower floor's cavity is equipped with fore-and-aft wind channel, the wind channel bottom communicates with each other with the inlet opening that sets up in cabinet body bottom, the wind channel top communicates with each other with the second axial fan who link up in the median septum, the control unit respectively with heater and temperature sensor electric connection.
The lower chamber is provided with a storage plate.
The heater is positioned at the lower air inlet of the fan of the semiconductor refrigerator.
The inner wall of the lower cavity is provided with inner layer heat and sound insulation cotton.
The outer wall of the air duct is provided with outer layer heat and sound insulation cotton.
The door body bulges outwards to form an installation area, and the semiconductor refrigerator is fixed in the installation area.
The control unit is electrically connected with the wireless transmission module and is communicated with the upper computer through the wireless transmission module.
The upper computer is communicated with the cloud server.
The utility model discloses based on the beneficial effect that its technical scheme had lies in:
(1) the utility model provides an outdoor high accuracy low noise constant temperature equipment divides the cabinet body interior into upper and lower two cavities, and upper portion and outdoor intercommunication are as the exhaust heat dissipation passageway, can be used for placing the power module part of monitoring facilities simultaneously, and power module calorific capacity is bigger, places in the heat dissipation cavity can guarantee that the host computer is not influenced; the lower part is a constant temperature box for placing a monitoring instrument, the lower part is provided with an exhaust air channel from top to bottom, and the top of the cabinet body is provided with an axial flow fan for exhausting hot air at the top; the hot end of the semiconductor refrigerator is placed outdoors, the cold end of the semiconductor refrigerator is placed in the constant temperature box, and the axial flow fans are respectively arranged at the cold end and the hot end, so that heat exchange is realized, the mechanical part only has the axial flow fan, vibration is small, noise is low, and interference on online equipment is reduced; an independent heater is arranged in the thermostat, and the thermostat can be matched with a semiconductor refrigerator to realize synchronous temperature regulation and control through the feedback of a temperature sensor, so that the temperature in the thermostat is ensured to be constant, and accurate temperature regulation is realized;
(2) the utility model provides a semiconductor refrigerator of outdoor high-precision low-noise constant temperature device, which can be used for running in all time, and the heater is positioned at the lower wind gap of the fan of the semiconductor refrigerator, thus reducing the use of one fan and further reducing the noise generation source;
(3) the utility model provides an outdoor high-precision low-noise constant temperature device which can be provided with inner and outer layers of heat and sound insulation cotton, absorb and block the transmission of noise and vibration, and further reduce the interference to on-line monitoring equipment;
(4) the semiconductor refrigerator of the outdoor high-precision low-noise constant temperature device provided by the utility model can be installed in an installation area formed by the door body bulge, and the space for placing a monitoring instrument in the cavity is enlarged;
(5) the utility model provides a pair of outdoor high accuracy low noise constant temperature equipment accessible wireless transmission module and host computer, cloud server communication realize remote control and maintenance.
Drawings
Fig. 1 is a schematic structural diagram of an outdoor high-precision low-noise thermostat.
In the figure: 1-a first axial flow fan, 2-a second axial flow fan, 3-a semiconductor refrigerator, 4-a temperature sensor, 5-outer layer heat and sound insulation cotton, 6-an air duct, 7-inner layer heat and sound insulation cotton, 8-a heat dissipation chamber, 9-a constant temperature chamber and 10-a heater.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1, the utility model provides an outdoor high-precision low-noise constant temperature device, which comprises a cabinet body with a door body, the interior of the cabinet body is divided into a heat dissipation chamber 8 positioned at the upper layer and a constant temperature chamber 9 positioned at the lower layer by a middle partition plate, the top of the heat dissipation chamber is provided with a first axial fan 1, the periphery of the top surface of the heat dissipation chamber is provided with a heat dissipation port communicated with the outside, the lower layer chamber is provided with a semiconductor refrigerator 3 electrically connected with a control unit, the cold end and the hot end of the semiconductor refrigerator are respectively provided with a cold end axial fan and a hot end axial fan, wherein the hot end is positioned outdoors, the cold end is positioned in the constant temperature chamber, the side part of the lower layer chamber is provided with a longitudinal air duct 6, the bottom of the air duct is communicated with an air inlet arranged at the bottom of the cabinet body, the top of the air duct is communicated with a second axial fan 2 which is penetratingly arranged at the middle partition plate, and the control unit is respectively electrically connected with a heater 10 and a temperature sensor 4, the heater is located at the lower wind port of the fan of the semiconductor refrigerator, thereby improving efficiency, reducing the use of one fan, and reducing noise generation sources.
The lower chamber can be used for placing the object plate from top to bottom according to the requirement of the testing equipment.
The inner wall of lower floor's cavity is equipped with inlayer thermal-insulated soundproof cotton 7, and the wind channel outer wall is equipped with outer thermal-insulated soundproof cotton 5, absorbs the propagation of blocking noise and vibrations, further reduces the interference to on-line monitoring equipment.
The door body bulges outwards to form an installation area, the semiconductor refrigerator is fixed in the installation area, and the space for placing the monitoring instrument in the cavity is enlarged.
The control unit is electrically connected with the wireless transmission module, the control unit is communicated with the upper computer through the wireless transmission module, and the upper computer is communicated with the cloud server to realize remote control and maintenance.
The utility model discloses a working process does:
(1) setting a target temperature T by a control unit0And an allowable deviation temperature Δ T;
(2) starting to operate, and acquiring the current temperature T in real time by the temperature sensor;
(3) the control unit controls the operation power of the semiconductor refrigerator and whether the heater operates according to the current temperature, so that the absolute difference value between the current temperature and the target temperature is always within the allowable deviation temperature range.
The utility model provides a pair of outdoor high accuracy low noise constant temperature equipment separates the cabinet body for the constant temperature cavity that upper portion and outdoor heat dissipation cavity and lower part that communicate are used for placing monitoring instrument, and the semiconductor cooler of the internal portion adoption cold and hot end tape axial fan of cabinet, constant temperature is effectual, and mechanical part vibrations are little, the noise is low, can reduce the interference to on-line monitoring equipment.
Claims (8)
1. The utility model provides an outdoor high accuracy low noise constant temperature equipment, includes the cabinet body that has a body, its characterized in that: the internal portion of cabinet is separated by the median septum and is located heat dissipation cavity (8) on upper strata and be located constant temperature cavity (9) on lower floor, the top of heat dissipation cavity is equipped with first axial fan (1), heat dissipation cavity's top surface is equipped with the thermovent with outside intercommunication all around, install semiconductor cooler (3) with the control unit electric connection in the lower floor's cavity, cold junction axial fan and hot junction axial fan are installed respectively to semiconductor cooler's cold junction and hot junction, wherein the hot junction is located outdoor, the cold junction is located the constant temperature cavity, the lateral part of lower floor's cavity is equipped with fore-and-aft wind channel (6), the wind channel bottom communicates with each other with the fresh air inlet that sets up in cabinet body bottom, the wind channel top communicates with each other with second axial fan (2) of installing in the median septum with lining, the control unit respectively with heater (10) and temperature sensor (4) electric connection.
2. The outdoor high precision low noise thermostat of claim 1, characterized by: the lower chamber is provided with a storage plate.
3. The outdoor high precision low noise thermostat of claim 1, characterized by: the heater is positioned at the lower air inlet of the fan of the semiconductor refrigerator.
4. The outdoor high precision low noise thermostat of claim 1, characterized by: the inner wall of the lower chamber is provided with inner layer heat and sound insulation cotton (7).
5. The outdoor high precision low noise thermostat of claim 1, characterized by: the outer wall of the air duct is provided with outer layer heat and sound insulation cotton (5).
6. The outdoor high precision low noise thermostat of claim 1, characterized by: the door body bulges outwards to form an installation area, and the semiconductor refrigerator is fixed in the installation area.
7. The outdoor high precision low noise thermostat of claim 1, characterized by: the control unit is electrically connected with the wireless transmission module and is communicated with the upper computer through the wireless transmission module.
8. The outdoor high precision low noise thermostat of claim 7, wherein: the upper computer is communicated with the cloud server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122112727.7U CN214592679U (en) | 2021-09-03 | 2021-09-03 | Outdoor high-precision low-noise constant temperature device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122112727.7U CN214592679U (en) | 2021-09-03 | 2021-09-03 | Outdoor high-precision low-noise constant temperature device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214592679U true CN214592679U (en) | 2021-11-02 |
Family
ID=78363415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122112727.7U Active CN214592679U (en) | 2021-09-03 | 2021-09-03 | Outdoor high-precision low-noise constant temperature device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214592679U (en) |
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2021
- 2021-09-03 CN CN202122112727.7U patent/CN214592679U/en active Active
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