CN215453498U - Drying and inflating device for electronic cabinet - Google Patents
Drying and inflating device for electronic cabinet Download PDFInfo
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- CN215453498U CN215453498U CN202121219994.8U CN202121219994U CN215453498U CN 215453498 U CN215453498 U CN 215453498U CN 202121219994 U CN202121219994 U CN 202121219994U CN 215453498 U CN215453498 U CN 215453498U
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- evaporator
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- pipeline
- box body
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Abstract
The utility model relates to a dry inflation device for an electronic cabinet, which comprises a box body, wherein a refrigeration unit, a dry inflation unit, a monitoring and electric control unit are arranged in the box body, the refrigeration unit comprises a compressor, a plate heat exchanger, a dry filter and an expansion valve, and the dry inflation unit comprises an evaporator, an electric heater and a pipeline fan; the monitoring unit comprises a temperature and humidity sensor and a pressure sensor; the electric control unit collects detection signals of the monitoring unit. Utilize refrigeration unit to provide the refrigerant to the evaporimeter, utilize the air of pipeline fan from the outside suction to filter the air and condense and get rid of the moisture content in the air in evaporimeter department, the air temperature after will going out moisture through the electrical heating promotes to send into equipment inside with certain pressure from the air outlet after the fit range at last, utilizes monitoring unit and the operation condition of automatically controlled unit implementation control and adjusting device, ensures that the air that provides satisfies the user demand of electronic cabinet.
Description
Technical Field
The utility model relates to a dry air charging device for an electronic cabinet, in particular to an air charging device for providing positive pressure and dry air for an electronic cabinet of an aircraft equipment cabin.
Background
The inflator is an important auxiliary device in communication system engineering, and is mainly used for automatic inflation of waveguide or feeder systems of microwave stations, radar stations, satellite ground stations and broadcast television transmitting stations, so that dry air with certain pressure is automatically kept in the transmission line to ensure that external moist air and moisture cannot enter the transmission line, and further, the transmission quality of signals is ensured. The existing foreign drying aerator generally has a complex structure, is unreasonably arranged in a moisture or moisture discharge system and is provided with a pressure container, so that potential safety hazards exist, and the existing foreign drying aerator is only generally used in occasions with low requirements on the isothermal humidity of cables.
Disclosure of Invention
In order to meet the severe requirements of an aircraft equipment cabin and an electronic cabinet on air temperature, humidity and pressure, the utility model aims to provide a drying and inflating device for the electronic cabinet.
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:
a drying and inflating device for an electronic cabinet comprises a box body, wherein a refrigerating unit, a drying and inflating unit, a monitoring unit and an electric control unit are arranged in the box body, the refrigerating unit comprises a compressor, a plate heat exchanger, a drying filter and an expansion valve, and the plate heat exchanger is connected with a cooling water inlet joint and a cooling water outlet joint on the box body through pipelines; the drying and inflating unit comprises an evaporator, an electric heater and a pipeline fan, the evaporator is arranged on the side wall of the box body, an air inlet grille is arranged on the side wall of the box body corresponding to the evaporator, the evaporator is connected in series between a compressor and an expansion valve of the refrigerating unit through a pipeline, the pipeline fan is arranged in the box body and is positioned on one side of the evaporator, an air inlet pipe of the pipeline fan faces the evaporator, and the electric heater is arranged between the evaporator and the air inlet pipe of the pipeline fan; an air outlet pipe of the pipeline fan is connected with an air outlet on the side wall of the box body; the monitoring unit comprises a temperature and humidity sensor and a pressure sensor, and is arranged on an air outlet pipe of the pipeline fan; and the electric control unit collects the detection signal of the monitoring unit and controls the start and stop of the compressor and the pipeline fan.
Furthermore, a filter is arranged between the evaporator and the air inlet grille.
Further, install the water-collecting tray in the box, the water-collecting tray is located the evaporimeter under, and the water-collecting tray is through the comdenstion water outlet joint on the pipe connection box lateral wall.
Further, the evaporator is a microchannel evaporator.
Still further, install pressure differential changer in the box, pressure differential changer connects the air inlet and outlet pipeline of pipeline fan.
After the technical scheme is adopted, the utility model has the beneficial effects that: utilize refrigeration unit to provide the refrigerant to the evaporimeter, utilize the air of pipeline fan from the outside suction to filter the air and condense and get rid of the moisture content in the air in evaporimeter department, the air temperature after will going out moisture through the electrical heating promotes to send into equipment inside with certain pressure from the air outlet after the fit range at last, utilizes monitoring unit and the operation condition of automatically controlled unit implementation control and adjusting device, ensures that the air that provides satisfies the user demand of electronic cabinet.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of the present invention;
fig. 3 is a schematic view of the internal mechanism of the present invention.
Detailed Description
As shown in the figure, the drying and inflating device for the electronic cabinet comprises a box body 1, and a refrigerating unit, a drying and inflating unit, a monitoring unit and an electric control unit which are arranged in the box body 1.
The refrigeration unit is a refrigeration loop formed by sequentially connecting a compressor 2, a plate heat exchanger 3, a drying filter 4, an expansion valve and an evaporator 5 in series, and necessary refrigeration elements can be added according to needs. Circulating cooling water is used as a heat exchange medium in the plate heat exchanger 2, and a refrigerant compressed by the compressor 2 exchanges heat with the circulating cooling water in the plate heat exchanger 3; a cooling water channel of the plate heat exchanger 3 is connected with cooling water inlet and outlet joints 6 and 7 on the side wall of the box body through pipelines; the evaporator 5 is a microchannel evaporator, the evaporator 5 is arranged on the side wall of the box body 1, a plurality of arrayed air inlet holes 8 or air inlet grids are processed on the side wall of the box body 1 corresponding to the evaporator 5, and a filter 9 is arranged between the evaporator 5 and the air inlet holes 8 to filter impurities in the air.
The drying and inflating unit consists of an evaporator 5, an electric heater 10 and a pipeline fan 11, wherein an air inlet cover 13 is arranged at the end part of an air inlet pipeline 12 of the pipeline fan 11, the air inlet cover 13 covers the end surface of the inner side of the evaporator 5 facing the box body, the electric heater 10 is arranged in the air inlet cover 13, and PTC electric heating is preferably selected. An air outlet pipeline 15 of the pipeline fan 11 is connected with an air outlet 16 on the side wall of the box body, and dry air is provided for the equipment from the air outlet 16. When the pipeline fan 11 works, due to negative pressure, air outside the box body 1 enters the evaporator 5 from the air inlet 8 through the filter 9, is cooled in the evaporator 5, moisture in the air is condensed on the surface of the evaporator 5, and then is further dehumidified and heated by the heater and then is delivered to the air outlet. A water collecting tray is arranged right below the evaporator 5 and is connected with a condensed water outlet joint 17 on the side wall of the tank body.
The monitoring unit comprises a temperature and humidity sensor, a pressure sensor and a differential pressure transmitter 18, wherein the temperature and humidity sensor and the pressure sensor are arranged on an air outlet pipeline of the pipeline fan; the differential pressure transmitter collects two ends of an air inlet pipeline and an air outlet pipeline of the pipeline fan, the monitoring unit feeds back signals to the electronic control unit 14, and the electronic control unit 14 adjusts the temperature, the humidity and the like of outlet air by controlling the starting and stopping of the compressor 2, the motor heat 10 and the pipeline fan 11.
Claims (5)
1. The utility model provides an electron is dry aerating device for rack, includes the box, installs refrigerating unit, dry aerating unit, monitoring unit and electrical unit in the box, its characterized in that: the refrigeration unit comprises a compressor, a plate heat exchanger, a drying filter and an expansion valve, wherein the plate heat exchanger is connected with a cooling water inlet joint and a cooling water outlet joint on the box body through pipelines; the drying and inflating unit comprises an evaporator, an electric heater and a pipeline fan, the evaporator is arranged on the side wall of the box body, an air inlet grille is arranged on the side wall of the box body corresponding to the evaporator, the evaporator is connected in series between a compressor and an expansion valve of the refrigerating unit through a pipeline, the pipeline fan is arranged in the box body and is positioned on one side of the evaporator, an air inlet pipe of the pipeline fan faces the evaporator, and the electric heater is arranged between the evaporator and the air inlet pipe of the pipeline fan; an air outlet pipe of the pipeline fan is connected with an air outlet on the side wall of the box body; the monitoring unit comprises a temperature and humidity sensor and a pressure sensor, and is arranged on an air outlet pipe of the pipeline fan; and the electric control unit collects the detection signal of the monitoring unit and controls the start and stop of the compressor and the pipeline fan.
2. The drying and air-charging device for an electronic cabinet as claimed in claim 1, wherein a filter is installed between the evaporator and the air-intake grille.
3. The drying and inflating device for the electronic cabinet as claimed in claim 1, wherein a water collecting tray is installed in the cabinet body, the water collecting tray is located right below the evaporator, and the water collecting tray is connected with a condensed water outlet joint on the side wall of the cabinet body through a pipeline.
4. The dry gas filling apparatus for an electronic cabinet as claimed in claim 1, wherein the evaporator is a microchannel evaporator.
5. The drying and air-charging device for the electronic cabinet as claimed in claim 1, wherein a differential pressure transmitter is installed in the cabinet body, and the differential pressure transmitter is connected with an air inlet pipeline and an air outlet pipeline of the pipeline fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121219994.8U CN215453498U (en) | 2021-06-02 | 2021-06-02 | Drying and inflating device for electronic cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121219994.8U CN215453498U (en) | 2021-06-02 | 2021-06-02 | Drying and inflating device for electronic cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215453498U true CN215453498U (en) | 2022-01-07 |
Family
ID=79709601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121219994.8U Active CN215453498U (en) | 2021-06-02 | 2021-06-02 | Drying and inflating device for electronic cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215453498U (en) |
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2021
- 2021-06-02 CN CN202121219994.8U patent/CN215453498U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A drying and inflating device for electronic cabinet Effective date of registration: 20230303 Granted publication date: 20220107 Pledgee: Bank of Nanjing Co.,Ltd. Taizhou Branch Pledgor: ZHONGTIAN (JIANGSU) DEFENSE EQUIPMENT Co.,Ltd. Registration number: Y2023320000114 |