CN110940000A - Small-size electronic unit cabinet dehydrating unit - Google Patents
Small-size electronic unit cabinet dehydrating unit Download PDFInfo
- Publication number
- CN110940000A CN110940000A CN201911322436.1A CN201911322436A CN110940000A CN 110940000 A CN110940000 A CN 110940000A CN 201911322436 A CN201911322436 A CN 201911322436A CN 110940000 A CN110940000 A CN 110940000A
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- Prior art keywords
- cold
- hot
- radiator
- cavity
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 238000007791 dehumidification Methods 0.000 claims description 19
- 238000005057 refrigeration Methods 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002937 thermal insulation foam Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0042—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater characterised by the application of thermo-electric units or the Peltier effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a miniaturized electronic cabinet dehumidifying device which comprises a semiconductor refrigerating sheet, a cold-end radiator, a fan, a hot-end heat pipe radiator and a water tank which are sequentially fixed with a frame of the dehumidifying device to form a closed and unique air 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 electronic cabinet dehumidifying device achieves the purpose of miniaturization.
Description
Technical Field
The invention relates to the field of electronic cabinet dehumidifiers, in particular to a miniaturized electronic cabinet dehumidifier.
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.
Disclosure of Invention
The invention aims to provide a miniaturized electronic cabinet dehumidifying device to solve the problems of the electronic cabinet dehumidifying device in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
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 invention adopts semiconductor refrigeration technology, adopts unique air duct design and has 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 invention relates to a dehumidification device based on a semiconductor refrigeration technology, which enables humid air to flow through a cold-end radiator and a hot-end heat pipe radiator successively for condensation and dehumidification, and compared with the refrigeration and dehumidification of a compressor, the volume of the improved device is reduced by more than 50% under the condition of unchanged dehumidification performance, so that the miniaturization of the dehumidification device is realized.
Compared with the prior dehumidifying device, the invention has the advantages that:
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 diagram of the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures 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 specific control flow of the invention is 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 described only for the preferred embodiments of the present invention, and not for the limitation of the concept and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall into the protection scope of the present invention, and the technical content of the present invention which is claimed is fully set forth 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 |
|---|---|---|---|
| CN201911322436.1A CN110940000A (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 |
|---|---|---|---|
| CN201911322436.1A CN110940000A (en) | 2019-12-20 | 2019-12-20 | Small-size electronic unit cabinet dehydrating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110940000A true CN110940000A (en) | 2020-03-31 |
Family
ID=69912517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911322436.1A Pending CN110940000A (en) | 2019-12-20 | 2019-12-20 | Small-size electronic unit cabinet dehydrating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110940000A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397010A (en) * | 2020-04-14 | 2020-07-10 | 中国铁建重工集团股份有限公司 | Semiconductor refrigerating and dehumidifying device |
| CN111757641A (en) * | 2020-06-12 | 2020-10-09 | 中国船舶重工集团公司第七二四研究所 | Fan-free intelligent humidity control device for electronic cabinet |
| CN111934207A (en) * | 2020-08-13 | 2020-11-13 | 新余市正扬电子有限责任公司 | Constant temperature control wet machine for cabinet |
| CN112345582A (en) * | 2020-11-05 | 2021-02-09 | 福州大学至诚学院 | Semiconductor refrigerating sheet performance parameter testing method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0528413U (en) * | 1991-09-26 | 1993-04-16 | 帝国ピストンリング株式会社 | Electronic dehumidifier |
| JPH1157383A (en) * | 1997-08-11 | 1999-03-02 | Daikin Ind Ltd | Dehumidifying device |
| CN102301192A (en) * | 2009-02-10 | 2011-12-28 | 陈健能 | Semiconductor Mist-type Air-conditioning Equipment |
| CN105758059A (en) * | 2016-05-12 | 2016-07-13 | 广州市雷子克电气机械有限公司 | Semiconductor dehumidifier |
| CN205939496U (en) * | 2016-08-12 | 2017-02-08 | 广东美的制冷设备有限公司 | Dehumidifier |
| CN106594935A (en) * | 2016-12-30 | 2017-04-26 | 广东富信科技股份有限公司 | Dehumidifier |
| WO2018014261A1 (en) * | 2016-07-20 | 2018-01-25 | 韩性峰 | Dehumidifier for wardrobe |
| CN107785783A (en) * | 2016-08-30 | 2018-03-09 | 中车株洲电力机车研究所有限公司 | A kind of semiconductor dehumidifying device |
| CN211345596U (en) * | 2019-12-20 | 2020-08-25 | 合肥天鹅制冷科技有限公司 | Small-size electronic unit cabinet dehydrating unit |
-
2019
- 2019-12-20 CN CN201911322436.1A patent/CN110940000A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0528413U (en) * | 1991-09-26 | 1993-04-16 | 帝国ピストンリング株式会社 | Electronic dehumidifier |
| JPH1157383A (en) * | 1997-08-11 | 1999-03-02 | Daikin Ind Ltd | Dehumidifying device |
| CN102301192A (en) * | 2009-02-10 | 2011-12-28 | 陈健能 | Semiconductor Mist-type Air-conditioning Equipment |
| CN105758059A (en) * | 2016-05-12 | 2016-07-13 | 广州市雷子克电气机械有限公司 | Semiconductor dehumidifier |
| WO2018014261A1 (en) * | 2016-07-20 | 2018-01-25 | 韩性峰 | Dehumidifier for wardrobe |
| CN205939496U (en) * | 2016-08-12 | 2017-02-08 | 广东美的制冷设备有限公司 | Dehumidifier |
| CN107785783A (en) * | 2016-08-30 | 2018-03-09 | 中车株洲电力机车研究所有限公司 | A kind of semiconductor dehumidifying device |
| CN106594935A (en) * | 2016-12-30 | 2017-04-26 | 广东富信科技股份有限公司 | Dehumidifier |
| CN211345596U (en) * | 2019-12-20 | 2020-08-25 | 合肥天鹅制冷科技有限公司 | Small-size electronic unit cabinet dehydrating unit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397010A (en) * | 2020-04-14 | 2020-07-10 | 中国铁建重工集团股份有限公司 | Semiconductor refrigerating and dehumidifying device |
| CN111757641A (en) * | 2020-06-12 | 2020-10-09 | 中国船舶重工集团公司第七二四研究所 | Fan-free intelligent humidity control device for electronic cabinet |
| CN111934207A (en) * | 2020-08-13 | 2020-11-13 | 新余市正扬电子有限责任公司 | Constant temperature control wet machine for cabinet |
| CN111934207B (en) * | 2020-08-13 | 2022-03-25 | 新余市正扬电子有限责任公司 | Constant temperature control wet machine for cabinet |
| CN112345582A (en) * | 2020-11-05 | 2021-02-09 | 福州大学至诚学院 | Semiconductor refrigerating sheet performance parameter testing method |
| CN112345582B (en) * | 2020-11-05 | 2024-05-28 | 福州大学至诚学院 | Method for testing performance parameters of semiconductor refrigeration sheet |
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