CN211345596U - Small-size electronic unit cabinet dehydrating unit - Google Patents
Small-size electronic unit cabinet dehydrating unit Download PDFInfo
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- CN211345596U CN211345596U CN201922304141.3U CN201922304141U CN211345596U CN 211345596 U CN211345596 U CN 211345596U CN 201922304141 U CN201922304141 U CN 201922304141U CN 211345596 U CN211345596 U CN 211345596U
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Abstract
The utility model discloses a miniaturized electronics rack dehydrating unit, including semiconductor refrigeration piece, cold junction radiator, fan, hot junction heat pipe radiator, basin in proper order with the dehydrating unit frame fixed, constitute a closed, unique wind channel. Wherein, the air inlet, the cold end radiator and the water tank form a cold cavity of the dehumidifying device; the fan, the hot end heat pipe radiator and the compensation ventilation hole form a hot cavity of the dehumidifying device. The utility model discloses an electron rack dehydrating unit described has realized miniaturized purpose.
Description
Technical Field
The utility model relates to an electron rack dehumidifier field specifically is a miniaturized electron rack dehydrating unit.
Background
Small sealed spaces such as electronic cabinets have high requirements for air humidity. For example, the electrical cabinet may generate condensation, which may cause short circuit of components such as circuit board and socket, and seriously jeopardize the safe operation of the device. In order to solve the problems of overhigh humidity, condensation and the like in small-sized sealed spaces such as electronic cabinets and the like, a corresponding dehumidifying device is generally selected. The traditional dehumidification method has the following defects:
1. and a compressor is adopted for refrigeration and dehumidification. The compressor, the evaporator, the condenser and other parts are needed, the structure is complex, the noise is large, and the miniaturization can not be realized.
2. The temperature in the cabinet is improved by installing the heater. Only the relative humidity in the cabinet can be reduced, and the problem of overhigh humidity is not fundamentally solved.
3. And (5) chemically dehumidifying. The drying agent is easy to lose efficacy, needs to be replaced regularly and timely by manpower, and has high maintenance cost.
To sum up, the small-size compressor of present dehydrating unit universal use adopts traditional compression refrigeration, and sealed refrigerating system need be full of the refrigerant, needs complicated mechanical structure and pipe-line system, adopts four traditional major possession: the evaporator, the condenser, the throttling device and the compressor are connected in sequence through copper pipes to form a refrigeration loop. Therefore, the volume is large, and the reliability of dehumidification is low. The large volume can not meet the requirements of the electronic cabinet on the appearance and the occupation of the dehumidifying device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a miniaturized electronics rack dehydrating unit to solve the problem that prior art electronics rack dehydrating unit exists.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
the utility model provides a miniaturized motor cabinet dehydrating unit which characterized in that: including sealing the casing, be divided into the hot chamber by the baffle in the casing, two independent cavities in cold chamber, the semiconductor refrigeration piece is installed to the baffle, the cold junction of semiconductor refrigeration piece stretches into to the cold intracavity and installs the cold junction radiator, the hot junction of semiconductor refrigeration piece stretches into to the hot intracavity and installs the hot junction radiator, the lateral wall of the casing that the cold chamber corresponds is equipped with the air intake, the lateral wall of the casing that the hot chamber corresponds is equipped with the air outlet, the compensation ventilation hole, and the air outlet, the compensation ventilation hole divides to list on the lateral wall of the casing of the different side directions of hot junction radiator, the fan is still installed to the corresponding air.
A miniaturized motor cabinet dehydrating unit, its characterized in that: a water tank for receiving a cold end radiator is arranged in the cold cavity.
A miniaturized motor cabinet dehydrating unit, its characterized in that: the partition board between the hot cavity and the cold cavity and the peripheral inner wall of the cold cavity are provided with interlayers.
A miniaturized motor cabinet dehydrating unit, its characterized in that: the cold end radiator is a copper fin radiator, and the hot end radiator is a heat pipe fin radiator.
A miniaturized motor cabinet dehydrating unit, its characterized in that: the air inlet is provided with a humidity sensor which is electrically connected with an external controller, and the external controller is also electrically connected with the fan and the semiconductor refrigerating piece respectively, so that the fan and the semiconductor refrigerating piece are controlled based on signals of the humidity sensor.
The utility model discloses a semiconductor refrigeration technology adopts unique wind channel design, simple structure. An integral frame structure is adopted. The cold end of the semiconductor refrigeration piece is provided with a copper fin radiator, and the hot end of the semiconductor refrigeration piece is provided with a heat pipe fin radiator to strengthen the heat radiation. The fan is adopted to forcibly dissipate heat, so that the heat dissipation effects of the cold end and the hot end of the semiconductor refrigerating sheet are improved, and the air circulation inside the dehumidification system is promoted.
The dehumidifier is divided into cold and hot cavities, and the cold cavity and the hot cavity, and the cold cavity and the outside air are simultaneously subjected to heat insulation treatment. The wet air enters from the air inlet of the cold cavity, is condensed on the surface of the condensing fin, and the condensed cold air is sucked into the hot cavity under the action of the fan, blows to the hot end fin of the semiconductor refrigerating sheet in the hot cavity for heating, and enters the air outlet of the dehumidifying device from the outlet of the fan to flow out. The hot cavity is provided with a compensation vent hole with a larger area, so that additional cooling air is provided, and the hot end of the semiconductor refrigerating sheet is prevented from being overheated.
The wet air sucked from the air inlet in the cold chamber flows through the surface of the condensation fin of the semiconductor refrigeration sheet, the temperature is reduced, condensation begins after the saturated state point is reached, and water drops into the water tank in the cold chamber due to the action of gravity and flows out of the dehumidification device through the condensation water nozzle. And the surfaces of the cold end fins are coated with hydrophobic materials, so that condensate water can be separated out conveniently. The dehumidification is completed by continuous cycle work.
The utility model relates to a dehydrating unit based on semiconductor refrigeration technology makes humid air successively flow through cold junction radiator and hot junction heat pipe radiator and carries out the condensation dehumidification, and the device after the improvement is compared with compressor refrigeration dehumidification, and under the unchangeable circumstances of dehumidification performance, the volume has reduced more than 50%, has realized dehydrating unit's miniaturization.
The utility model discloses compare current dehydrating unit's advantage is:
1. the traditional compression refrigeration is abandoned, the service life of a dehumidification device is prolonged, and the volume is miniaturized;
2. the heat dissipation capacity of the hot end is improved by adopting the heat pipe, and the refrigeration coefficient of the semiconductor is improved;
3. and the air flow rate of wet air flowing through the fins is reduced by adopting compensation air inlet. Under the condition of certain compensation intake, the dehumidification ability is strongest, has also improved the heat-sinking capability at the hot junction simultaneously, kills two birds with one stone.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in FIG. 1, a miniaturized electronic cabinet dehumidifying device comprises a frame 9, wherein a water tank 4 is arranged at the lower right corner of the frame 9, condensed water dripping from a hydrophobic layer on the surface of a cold-end radiator is collected, and the condensed water flows out of a water outlet nozzle of the water tank 4.
The left and right directions of the frame 9 are divided into two independent spaces of a hot cavity and a cold cavity, heat insulation foam is pasted on the partition board between the hot cavity and the cold cavity and the periphery of the cold cavity, and the cold cavity and the hot cavity and the cold cavity and the outside air are subjected to heat insulation treatment.
A partition plate between a hot cavity and a cold cavity of the frame 9 is fixed with a semiconductor refrigerating sheet 10 through bolts; the cold end of semiconductor refrigeration piece 10 stretches into in the cold chamber, and the cold end is installed copper fin radiator 2 and is regarded as the cold end radiator, and the hot junction of semiconductor refrigeration piece 10 stretches into in the hot chamber, and hot junction installation heat pipe fin radiator 6 is regarded as the hot junction radiator.
An air inlet 1 is arranged at the upper right corner of the frame 9; partition plate air ports 3 are arranged on the hot cavity partition plate and the cold cavity partition plate of the frame 9; the left lower part of the frame 9 is provided with a compensation vent hole 5; an air outlet 8 is arranged at the left upper part of the frame 9; a fan 7 is arranged below the air outlet 8.
The air inlet 1 is provided with a humidity sensor 11, the humidity sensor 11 is electrically connected with an external controller, and the external controller is also electrically connected with the fan 7 and the semiconductor refrigerating sheet 10.
The utility model discloses a concrete control flow as follows:
and (3) dehumidification working process: the humidity sensor 11 controls the fan 7 to operate at a high speed through the controller, and the semiconductor chilling plate 10 is simultaneously chilled. The wet air sucked from the air inlet 1 flows through the surface of the hydrophobic layer of the copper fin radiator 2 of the semiconductor refrigerating sheet 10, condensation generates water, and the water drops into the water tank 4 and flows out of a water nozzle. Under the forced ventilation action of the fan 7, the wet air sequentially passes through the air inlet 1, the copper fin radiator 2, the partition plate air opening 3, the heat pipe fin radiator 6, the fan 7 and the air outlet 8. The dehumidification is completed by continuous cycle work.
Controlling the working process: the humidity sensor 11 judges whether the fan 7 and the semiconductor refrigerating sheet 10 work or not through the controller, so that the purpose of automatic control is achieved.
The embodiments of the present invention are only descriptions of the preferred embodiments of the present invention, not right the present invention is designed and limited, without departing from the design concept of the present invention, the technical personnel in the field should fall into the protection scope of the present invention for various modifications and improvements made by the technical solution of the present invention, and the technical contents of the present invention are all recorded in the claims.
Claims (5)
1. The utility model provides a miniaturized motor cabinet dehydrating unit which characterized in that: including sealing the casing, be divided into the hot chamber by the baffle in the casing, two independent cavities in cold chamber, the semiconductor refrigeration piece is installed to the baffle, the cold junction of semiconductor refrigeration piece stretches into to the cold intracavity and installs the cold junction radiator, the hot junction of semiconductor refrigeration piece stretches into to the hot intracavity and installs the hot junction radiator, the lateral wall of the casing that the cold chamber corresponds is equipped with the air intake, the lateral wall of the casing that the hot chamber corresponds is equipped with the air outlet, the compensation ventilation hole, and the air outlet, the compensation ventilation hole divides to list on the lateral wall of the casing of the different side directions of hot junction radiator, the fan is still installed to the corresponding air.
2. A miniaturized electronic cabinet dehumidification device according to claim 1, characterized in that: a water tank for receiving a cold end radiator is arranged in the cold cavity.
3. A miniaturized electronic cabinet dehumidification device according to claim 1, characterized in that: the partition board between the hot cavity and the cold cavity and the peripheral inner wall of the cold cavity are provided with interlayers.
4. A miniaturized electronic cabinet dehumidification device according to claim 1, characterized in that: the cold end radiator is a copper fin radiator, and the hot end radiator is a heat pipe fin radiator.
5. A miniaturized electronic cabinet dehumidification device according to claim 1, characterized in that: the air inlet is provided with a humidity sensor which is electrically connected with an external controller, and the external controller is also electrically connected with the fan and the semiconductor refrigerating piece respectively, so that the fan and the semiconductor refrigerating piece are controlled based on signals of the humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922304141.3U CN211345596U (en) | 2019-12-20 | 2019-12-20 | Small-size electronic unit cabinet dehydrating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922304141.3U CN211345596U (en) | 2019-12-20 | 2019-12-20 | Small-size electronic unit cabinet dehydrating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211345596U true CN211345596U (en) | 2020-08-25 |
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ID=72097504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922304141.3U Active CN211345596U (en) | 2019-12-20 | 2019-12-20 | Small-size electronic unit cabinet dehydrating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211345596U (en) |
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2019
- 2019-12-20 CN CN201922304141.3U patent/CN211345596U/en active Active
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