CN107732730A - A kind of power distribution cabinet dehumidification system based on semiconductor chilling plate - Google Patents
A kind of power distribution cabinet dehumidification system based on semiconductor chilling plate Download PDFInfo
- Publication number
- CN107732730A CN107732730A CN201711212863.5A CN201711212863A CN107732730A CN 107732730 A CN107732730 A CN 107732730A CN 201711212863 A CN201711212863 A CN 201711212863A CN 107732730 A CN107732730 A CN 107732730A
- Authority
- CN
- China
- Prior art keywords
- chilling plate
- semiconductor chilling
- cold end
- power distribution
- dehumidification system
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a kind of power distribution cabinet dehumidification system based on semiconductor chilling plate, including cabinet, the cabinet is internally provided with semiconductor chilling plate, Temperature Humidity Sensor, heat pipe and fin；The semiconductor chilling plate includes cold end and hot junction, and the cold end is connected with hot junction；The heat pipe is arranged at the both sides in the cold end and hot junction；The fin is arranged side by side in the both sides of the heat pipe；Dehumidification system also includes the passage for changing damp and hot exchange in the fan and cabinet of the cabinet inner air and outer air circulation；The cold end and hot junction are used for the conversion in cold end and hot junction by changing the direct current direction of the semiconductor chilling plate；It is the simple in construction, high efficiency of the present invention, low energy consumption, safe ready, easily controllable；Can fundamentally solve power distribution cabinet condensation trouble, reach dehumidifying, the purpose of energy-conservation.
Description
Technical field
The present invention relates to HVAC technical field, especially a kind of power distribution cabinet dehumidifying system based on semiconductor chilling plate
System.
Background technology
Heat especially can be produced in plum rain season, wet weather, high fever, power distribution cabinet internal unit longtime running in summer,
Finally power distribution cabinet is caused to produce condensation；Condensation is very big for the harmfulness of power distribution cabinet, easily causes the aging of circuit, reduces circuit
Insulating properties, more security incident is caused to the problems such as Electrical Safety, information security.In recent years, both at home and abroad to semiconductor
The theory and experimental study of refrigeration are more and more, because semiconductor has simple in construction, small volume, noiseless, without abrasion, longevity
The advantages that life is long, reliability is high, pollution-free, has been widely used at present the daily life of auto industry, chemical industry, medical treatment and family expenses
It is living etc.；It is vast that it is used for the dehumidification by condensation prospect of the facilities such as power distribution cabinet.
The content of the invention
The technical problems to be solved by the invention are exactly to be to be directed to above-mentioned deficiency of the prior art, there is provided a kind of structure
Simply, high efficiency, low energy consumption, safe ready, the easily controllable power distribution cabinet dehumidification system based on semiconductor chilling plate.
The technical solution adopted for the present invention to solve the technical problems is：A kind of power distribution cabinet based on semiconductor chilling plate removes
Wet system, including cabinet, the cabinet are internally provided with semiconductor chilling plate, Temperature Humidity Sensor, heat pipe and fin；It is described
Semiconductor chilling plate includes cold end and hot junction, and the cold end is connected with hot junction；The heat pipe is arranged at the cold end and hot junction
Both sides；The fin is arranged side by side in the both sides of the heat pipe；Dehumidification system also includes changing the cabinet inner air and outer air stream
The passage of damp and hot exchange in logical fan and cabinet；The cold end and hot junction are by changing the direct current of the semiconductor chilling plate
Direction is used for the conversion in cold end and hot junction.
Further, the heat-insulated of isolation heat exchange is provided between the cold end of the semiconductor chilling plate and hot junction
Plate.
Further, the fin is internally provided with phase change heat storage material.
Further, the phase change heat storage material is paraffin or aluminium powder.
Further, the outside cladding of the fin is provided with hygroscopic material.
Further, the hygroscopic material is silica gel.
Further, the outside of dehumidification system be additionally provided with the control semiconductor chilling plate, Temperature Humidity Sensor and
The control system of fan.
Further, the Temperature Humidity Sensor is SHT1x/SHT7x Temperature Humidity Sensors.
Further, the passage includes the hot blast that the cold wind outlet coordinated with the cold end and the hot junction coordinate
Air outlet and the heat exchanger channels coordinated with the fan.
Compared with prior art, the beneficial effects of the invention are as follows：
It is the simple in construction, high efficiency of the present invention, low energy consumption, safe ready, easily controllable；Can fundamentally solve power distribution cabinet condensation
Problem, reach dehumidifying, the purpose of energy-conservation.
When this dehumidification system is run, air is promoted by fan in power distribution cabinet, and through cold end, vapor is attached to the silicon of fin
Dehumidification by condensation is carried out above glue；When moisture detection device detects silica gel moisture absorption saturation, using change semiconductor DC side
Always control semiconductor hot and cold side, it is not necessary to rotate dehumidification system, avoid system bulk it is excessive be difficult to rotate the problem of；Make
Former cold end is converted to hot junction, former hot junction is converted to cold end, and outdoor air carries out heating moisture absorption through fin.
The thermal insulation board of isolation heat exchange is provided between the cold end of semiconductor chilling plate and hot junction；Cut-off heat makes cold end
Decline respectively with hot-side temperature, rise.
Fin is internally provided with phase change heat storage material（Paraffin or aluminium powder）, semiconductor chilling plate is preferably conducted heat, and
It can sustainedly and stably carry out, it is excessive to ensure that heat transfer will not be fluctuated, extends semiconductor chip and hygroscopic material（Silica gel）Use
Life-span.
Finned outer adheres to hygroscopic material（Silica gel）, when carrying out cooling and dehumidifying to air, processed air flows through moisture absorption
Material（Silica gel）, with hygroscopic material（Silica gel）Heat and quality are transmitted, the air themperature that is processed reduces, and water capacity declines；When right
When the outer air of cabinet is handled, after flowing through fin, air, which is heated, to be humidified, the hygroscopic material on fin（Silica gel）Adsorbed
Moisture is heated evaporation, is taken to by air outside cabinet, reaches hygroscopic material（Silica gel）The purpose of regeneration.
Brief description of the drawings
Fig. 1 show dehumidification system principle schematic of the present invention；
Fig. 2 show heat pipe of the present invention, the structural representation of radiating fin；
Fig. 3 show the control system attachment structure schematic diagram of the present invention.
In accompanying drawing：1 it is cabinet, 2 be semiconductor chilling plate, 3 be Temperature Humidity Sensor, 4 be heat pipe, 5 be fin, 6 is cold
End, 7 be hot junction, 8 be fan, 9 be passage, 10 be control system, 11 be thermal insulation board, 12 be cold wind outlet, 13 be hot-blast outlet,
14 be heat exchanger channels.
Embodiment
The present invention is described in further detail below in conjunction with specific embodiment.It is it should be appreciated that described herein specific
Embodiment only to explain the present invention, is not intended to limit the present invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.
As shown in Figure 1, 2, 3, a kind of power distribution cabinet dehumidification system based on semiconductor chilling plate, including cabinet 1, the cabinet
1 is internally provided with semiconductor chilling plate 2, Temperature Humidity Sensor 3, heat pipe 4 and fin 5；The semiconductor chilling plate 2 includes cold
End 6 and hot junction 7, the cold end 6 are connected with hot junction 7；The heat pipe 4 is arranged at the both sides in the cold end 6 and hot junction 7；It is described
Fin 5 is arranged side by side in the both sides of the heat pipe 4；High efficiency and heat radiation can be reached, and air exit temp will not be too low, improves
The efficiency of solid absorption dehumidifying；Dehumidification system also includes wet in the fan 8 and cabinet 1 of the change inner air and outer air of cabinet 1 circulation
The passage 9 of heat exchange；The cold end 6 and hot junction 7 are used for cold end 6 by changing the direct current direction of the semiconductor chilling plate 2
With the conversion in hot junction 7.
The thermal insulation board 11 of isolation heat exchange is provided between the cold end 6 of the semiconductor chilling plate 2 and hot junction 7；Cut-off
Heat makes cold end 6 and the temperature of hot junction 7 decline respectively, rise.
The fin 5 is internally provided with phase change heat storage material；Fin 5 is internally provided with phase change heat storage material（Paraffin or
Aluminium powder）, semiconductor chilling plate 2 is preferably conducted heat, and can sustainedly and stably carry out, it is excessive to ensure that heat transfer will not be fluctuated,
Extend semiconductor chip and hygroscopic material（Silica gel）Service life.
The outside cladding of the fin 5 is provided with hygroscopic material；The outside of fin 5 attachment hygroscopic material（Silica gel）, when to sky
When gas carries out cooling and dehumidifying, processed air flows through hygroscopic material（Silica gel）, with hygroscopic material（Silica gel）Heat and quality are transmitted,
Processed air themperature reduces, and water capacity declines；When air is handled outside to cabinet, after flowing through fin 5, air is heated
It is humidified, the hygroscopic material on fin 5（Silica gel）The moisture adsorbed is heated evaporation, is taken to by air outside cabinet, reaches moisture absorption
Material（Silica gel）The purpose of regeneration.
The outside of dehumidification system is additionally provided with the control for controlling the semiconductor chilling plate 2, Temperature Humidity Sensor 3 and fan 8
System 10 processed.
The Temperature Humidity Sensor 3 is SHT1x/SHT7x Temperature Humidity Sensors.
The passage 9 includes the hot air outlet that the cold wind outlet 12 coordinated with the cold end 6 and the hot junction 7 coordinate
13 and with the fan 8 coordinate heat exchanger channels 14.
The present apparatus is in use, when Temperature Humidity Sensor 3 detects that the inside humiture of cabinet 1 reaches systemic presupposition value, temperature
Humidity sensor 3 sends a signal to control system 10, and control system 10 receives the temperature-humidity signal of Temperature Humidity Sensor 3, control
The control fan 8 of system 10 admits air into the cold end 6 of semiconductor chilling plate 2；Exchanged heat by the fin 5 being connected with heat pipe 4,
Water vapor condensation process occurs in heat transfer process, condensed water is attached on the hygroscopic material of fin 5；By the process, heat pipe 4 carries
The high air themperature of the gas outlet of cold end 6, the effect of refrigeration is improved, the air for being dehumidified cooling enters in cabinet 1, has reached sky
The purpose of gas dehumidifying, reduces the temperature in cabinet.
Outdoor air is by heat exchanger channels 14, the inside for being forced into cabinet 1 through passing through fan 8；Pass through semiconductor refrigerating
The heat pipe 4 and fin 5 that the hot junction 7 of piece 2 connects, outdoor air,（Air i.e. outside cabinet）Heat up moisture absorption；Air passes through fin
5, the hygroscopic material above fin 5 is cooled scattered wet, then air is discharged inside cabinet 1 by fan 8；The process air is inhaled
Heat, the radiating in the hot junction 7 of semiconductor chilling plate 2 is enhanced, ensure that the temperature of hot junction 7 is unlikely to too high, improve semiconductor chilling plate 2
The efficiency of refrigeration.
When the temperature and fin of the heat pipe 4 that Temperature Humidity Sensor 3 detects inside cabinet 1, semiconductor chilling plate 2 connects
When the humiture of hygroscopic material on 5 reaches low temperature, high humility, Temperature Humidity Sensor 3 sends a signal to control system 10, control
System 10 receives the temperature-humidity signal of Temperature Humidity Sensor 3, the direct current direction of automatic conversion semiconductor chilling plate 2；Semiconductor
There is the semi-conducting material of N-type and p-type (bismuth telluride) among cooling piece 2；The operation principle of semiconductor chilling plate is:When one piece of N-type
When semi-conducting material and one piece of p-type semiconductor material connect to galvanic couple pair, after connecting DC current, with regard to turning for energy can be produced
Move, the joint that electric current is flowed to p-type element by N-type element absorbs heat, turns into the joint that cold end is flowed to N-type element by p-type element
Heat is discharged, turns into hot junction.（Determined by changing the polarity of DC current on same cooling piece so as to change semiconductor
The cold end of cooling piece and the conversion in hot junction, the hot junction of semiconductor chilling plate are changed into cold end；Cold end is changed into hot junction）.Now, cabinet
The air being processed in body 1 enters the hot junction 7 (being now changed into cold end 6) of semiconductor chilling plate 2, the fin 5 connected, enters water-filling
Enter after the dehumidifying of steam condensation adsorption in cabinet；Outdoor air is sucked by fan 8, connected by semiconductor chilling plate 2
Heat pipe 4, fin 5, now high temperature, the hygroscopic material of high water capacity takes away substantial amounts of moisture by air, and discharges outside cabinet 1；
The recycling of hygroscopic material is realized, reaches the purpose of energy-conservation, moreover, enhancing the hot junction heat release of semiconductor chilling plate significantly.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two components interiors.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Described above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of power distribution cabinet dehumidification system based on semiconductor chilling plate, including cabinet（1）, the cabinet（1）Inside set
There is semiconductor chilling plate（2）, Temperature Humidity Sensor（3）, heat pipe（4）And fin（5）；The semiconductor chilling plate（2）Including cold
End（6）And hot junction（7）, the cold end（6）With hot junction（7）It is connected；The heat pipe（4）It is arranged at the cold end（6）And hot junction
（7）Both sides；The fin（5）It is arranged side by side in the heat pipe（4）Both sides；Dehumidification system also includes changing the cabinet
（1）The fan of inner air and outer air circulation（8）And cabinet（1）The passage of interior damp and hot exchange（9）；The cold end（6）And hot junction（7）Pass through
Change the semiconductor chilling plate（2）Direct current direction be used for cold end（6）And hot junction（7）Conversion.
2. the power distribution cabinet dehumidification system according to claim 1 based on semiconductor chilling plate, it is characterised in that：It is described partly to lead
Body cooling piece（2）Cold end（6）With hot junction（7）Between be provided with isolation heat exchange thermal insulation board（11）.
3. the power distribution cabinet dehumidification system according to claim 1 based on semiconductor chilling plate, it is characterised in that：The fin
（5）Be internally provided with phase change heat storage material.
4. the power distribution cabinet dehumidification system according to claim 3 based on semiconductor chilling plate, it is characterised in that：The phase transformation
Heat-storing material is paraffin or aluminium powder.
5. the power distribution cabinet dehumidification system according to claim 1 based on semiconductor chilling plate, it is characterised in that：The fin
（5）Outside cladding be provided with hygroscopic material.
6. the power distribution cabinet dehumidification system according to claim 5 based on semiconductor chilling plate, it is characterised in that：Hygroscopic material
For silica gel.
7. the power distribution cabinet dehumidification system according to claim 1 based on semiconductor chilling plate, it is characterised in that：Dehumidification system
Outside be additionally provided with the control semiconductor chilling plate（2）, Temperature Humidity Sensor（3）And fan（8）Control system（10）.
8. the power distribution cabinet dehumidification system according to claim 1 based on semiconductor chilling plate, it is characterised in that：It is described warm and humid
Spend sensor（3）For SHT1x/SHT7x Temperature Humidity Sensors.
9. the power distribution cabinet dehumidification system according to claim 1 based on semiconductor chilling plate, it is characterised in that：The passage
（9）Including with the cold end（6）The cold wind outlet of cooperation（12）And the hot junction（7）The hot air outlet of cooperation（13）With with
The fan（8）The heat exchanger channels of cooperation（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711212863.5A CN107732730A (en) | 2017-11-28 | 2017-11-28 | A kind of power distribution cabinet dehumidification system based on semiconductor chilling plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711212863.5A CN107732730A (en) | 2017-11-28 | 2017-11-28 | A kind of power distribution cabinet dehumidification system based on semiconductor chilling plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107732730A true CN107732730A (en) | 2018-02-23 |
Family
ID=61219677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711212863.5A Pending CN107732730A (en) | 2017-11-28 | 2017-11-28 | A kind of power distribution cabinet dehumidification system based on semiconductor chilling plate |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668503A (en) * | 2018-04-10 | 2018-10-16 | 安徽金环电气设备有限责任公司 | A kind of electrical cabinet with rotational structure |
| CN109489136A (en) * | 2018-11-23 | 2019-03-19 | 三江学院 | Convertible semiconductor refrigerating dehumidification device |
| CN111029949A (en) * | 2020-01-10 | 2020-04-17 | 谢晓佳 | Transformer case with dehumidification cooling function |
| CN111026201A (en) * | 2019-11-25 | 2020-04-17 | 贵州电网有限责任公司 | Processing apparatus that goes down of industrial computer data redundancy of preventing |
| CN112968362A (en) * | 2021-02-22 | 2021-06-15 | 淄博博一新能源科技发展有限公司 | Anti-icing mute condensation dehumidifier, ring main unit and use method of dehumidifier |
| CN114130168A (en) * | 2021-11-10 | 2022-03-04 | 北京京仪自动化装备技术股份有限公司 | Multistage dehumidification device, exhaust gas treatment system and dehumidification control method |
| CN115177125A (en) * | 2022-07-19 | 2022-10-14 | 青岛海容商用冷链股份有限公司 | Semiconductor cold and hot display cabinet and control method thereof |
-
2017
- 2017-11-28 CN CN201711212863.5A patent/CN107732730A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668503A (en) * | 2018-04-10 | 2018-10-16 | 安徽金环电气设备有限责任公司 | A kind of electrical cabinet with rotational structure |
| CN109489136A (en) * | 2018-11-23 | 2019-03-19 | 三江学院 | Convertible semiconductor refrigerating dehumidification device |
| CN109489136B (en) * | 2018-11-23 | 2019-08-20 | 三江学院 | Convertible semiconductor refrigerating dehumidification device |
| CN111026201A (en) * | 2019-11-25 | 2020-04-17 | 贵州电网有限责任公司 | Processing apparatus that goes down of industrial computer data redundancy of preventing |
| CN111029949A (en) * | 2020-01-10 | 2020-04-17 | 谢晓佳 | Transformer case with dehumidification cooling function |
| CN112968362A (en) * | 2021-02-22 | 2021-06-15 | 淄博博一新能源科技发展有限公司 | Anti-icing mute condensation dehumidifier, ring main unit and use method of dehumidifier |
| CN114130168A (en) * | 2021-11-10 | 2022-03-04 | 北京京仪自动化装备技术股份有限公司 | Multistage dehumidification device, exhaust gas treatment system and dehumidification control method |
| CN114130168B (en) * | 2021-11-10 | 2023-08-04 | 北京京仪自动化装备技术股份有限公司 | Multistage dehumidification device, exhaust gas treatment system and dehumidification control method |
| CN115177125A (en) * | 2022-07-19 | 2022-10-14 | 青岛海容商用冷链股份有限公司 | Semiconductor cold and hot display cabinet and control method thereof |
| CN115177125B (en) * | 2022-07-19 | 2024-03-22 | 青岛海容商用冷链股份有限公司 | Semiconductor cold and hot display cabinet and control method thereof |
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