CN210537230U - Switch board with dampproofing function - Google Patents
Switch board with dampproofing function Download PDFInfo
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- CN210537230U CN210537230U CN201921584459.5U CN201921584459U CN210537230U CN 210537230 U CN210537230 U CN 210537230U CN 201921584459 U CN201921584459 U CN 201921584459U CN 210537230 U CN210537230 U CN 210537230U
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- ventilation pipe
- moisture
- ventilation opening
- air valve
- cabinet body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model relates to the technical field of electric power moisture protection, in particular to a control cabinet with moisture protection function, which comprises a cabinet body and a cabinet door hinged on one side of the cabinet body, wherein a control device, a moisture protection device for moisture protection and dehumidification and a standby power supply are arranged in the cabinet body, the moisture protection device comprises an upper ventilation pipe and a lower ventilation pipe, a first ventilation opening and a second ventilation opening are respectively arranged at two ends of the lower ventilation pipe, a third ventilation opening and an air outlet are respectively arranged at two ends of the upper ventilation pipe, the third ventilation opening and the second ventilation opening are positioned at the same end of the moisture protection device, the first ventilation opening, the second ventilation opening and the third ventilation opening are communicated with the outside of the cabinet body through holes arranged at two sides of the cabinet body, the air outlet is communicated with the inside of the cabinet body, a semiconductor refrigeration piece is arranged in the moisture protection, utilize stand-by power supply to last dampproofing under the outage state, reduce equipment under the outage state risk of weing.
Description
Technical Field
The utility model relates to a dampproofing technical field of electric power, concretely relates to switch board with dampproofing function.
Background
The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet according to the electrical wiring requirement, and various executing elements in the control cabinet are densely arranged. In humid areas, the components inside the control cabinet are prone to moisture and condensation due to the high humidity of the air. Moisture exposure can lead to the following problems: electrical equipment is rusted, so that the rotating part fails when the rotating part performs work; after electrical equipment is severely affected with damp, electrical breakdown or insulation reduction is easily caused, and potential safety hazards are generated. The moisture-proof method of current switch board adopts the moisture in the drier absorption air more, but the drier moisture absorption has certain ageing, can lose efficacy after the drier moisture absorption saturation, leads to dampproofing effect greatly reduced or even loses completely, and partial switch board is at the internal condensation device that prevents of cabinet, and at equipment during operation, dampproofing respond well, nevertheless can't continue dampproofing after having a power failure or outage, if equipment wets this moment, still has electrical breakdown short circuit risk during so starting equipment.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, provide a switch board with dampproofing function for protect the interior electrical components of switch board, the utility model discloses can provide dry cold air to the internal of cabinet when the switch board normally works, reduce the internal temperature of cabinet when damp-proofing, still can maintain the internal dryness of cabinet after the switch board outage.
Based on the above purpose, the utility model provides a following technical scheme:
the utility model provides a switch board with dampproofing function, includes the cabinet body and articulates in the cabinet door of cabinet body one side, internal controlling means, the dampproof device and the stand-by power supply who are used for dampproofing dehumidification that are provided with of cabinet, the dampproof device includes ventilation pipe and lower ventilation pipe, the ventilation pipe both ends are equipped with first vent and second vent respectively down, it is equipped with third vent and air outlet respectively to go up the ventilation pipe both ends, third vent is located the same end of dampproof device with the second vent, first vent, second vent and third vent are through the through-hole intercommunication cabinet body outside of locating cabinet body both sides, the internal portion of air outlet intercommunication cabinet.
Furthermore, a plurality of semiconductor refrigeration pieces are arranged between the upper ventilation pipe and the lower ventilation pipe in parallel, and refrigeration surfaces of the semiconductor refrigeration pieces face upward to the ventilation pipe.
Further, semiconductor refrigeration piece both sides all are provided with the heat-conducting plate, the heat-conducting plate is kept away from one side of semiconductor refrigeration piece is provided with the conducting strip, one side that semiconductor refrigeration piece was kept away from to the heat-conducting plate with the conducting strip extends to inside the upper vent pipe or the lower vent pipe.
Further, the heat conducting plate is filled with heat insulating materials in gaps where the semiconductor refrigeration pieces are not arranged.
Further, a second electric air valve and a third electric air valve are arranged in the second ventilation opening and the third ventilation opening respectively, the second electric air valve and the third electric air valve are communicated with the lower ventilation pipe and the outside of the cabinet body, the upper ventilation pipe and the outside of the cabinet body respectively, a first electric air valve is further arranged between the upper ventilation pipe and the lower ventilation pipe, the first electric air valve is communicated with the upper ventilation pipe and the lower ventilation pipe, a first fan and a second fan are further arranged in the upper ventilation pipe and the lower ventilation pipe respectively, a third fan is arranged at the air outlet, and the first fan, the second fan, the third fan, the first electric air valve, the second electric air valve, the third electric air valve and the semiconductor refrigeration piece uniform control device are electrically connected.
Furthermore, the upper ventilation pipe and the lower ventilation pipe are provided with a drainage groove, a water collecting groove and a drain hole.
The utility model has the advantages that: the utility model provides a switch board with dampproofing function can reduce the interior temperature of cabinet in the damp-proofing time through dry cold air to the cabinet is internal under the state of normal power supply, under unexpected outage state, utilizes stand-by power supply to last the power supply, provides dry hot-air to the cabinet is internal, maintains the drying in the cabinet, prevents that equipment from weing when the outage, and the short circuit of giving birth to when restarting.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic diagram of a control cabinet;
FIG. 2 is a schematic view of the moisture barrier in normal operation;
FIG. 3 is a schematic view of the moisture barrier in the standby power state;
fig. 4 is a schematic view of the moisture barrier.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the control cabinet with a moisture-proof function in this embodiment includes a cabinet body 1 and a cabinet door 2 hinged to one side of the cabinet body 1, a control device 3, a moisture-proof device 4 for moisture-proof and dehumidification, and a standby power supply 5 are disposed in the cabinet body 1, the standby power supply 5 is used to ensure that the control device 3 and the moisture-proof device 4 can normally operate when power is unexpectedly turned off, so as to ensure the drying of the inside of the control cabinet, the moisture-proof device 4 includes an upper vent pipe and a lower vent pipe, a first vent 411 and a second vent 412 are disposed at two ends of the lower vent pipe, a third vent 413 and an air outlet 404 are disposed at two ends of the upper vent pipe, the third vent 413 and the second vent 412 are located at the same end of the moisture-proof device 4, the first vent 411, the second vent 412, and the third vent 413 are communicated with the, the air outlet 404 is communicated with the inside of the cabinet body 1, external damp air enters the moisture-proof device 4 through the first air vent 411 or the third air vent 413, and the moisture of the air is reduced by the moisture-proof device 4 and then is discharged into the control cabinet.
In this embodiment, go up the ventilation pipe with be provided with a plurality of semiconductor refrigeration pieces 401 between the ventilation pipe side by side down, semiconductor refrigeration piece 401 refrigeration face upwards the ventilation pipe setting, semiconductor refrigeration piece 401 can play the effect of heat pump at the during operation, and the refrigeration face refrigeration of normal during operation, the face of heating generates heat, can reduce air temperature when the refrigeration face contacts humid air, makes the moisture condense, reduces air humidity.
In this embodiment, both sides of the semiconductor refrigeration piece 401 are provided with the heat conducting plates 402, one side of the heat conducting plate 402, which is far away from the semiconductor refrigeration piece 401, is provided with the heat conducting plate, one side of the heat conducting plate 402, which is far away from the semiconductor refrigeration piece 401, and the heat conducting plate extends into the upper ventilation pipe and the lower ventilation pipe, so that the contact area of the air is increased, the heat transfer is accelerated, and the energy is saved to the maximum extent.
In this embodiment, the heat conducting plate 402 is filled with a heat insulating material 403 in a gap where the semiconductor cooling plate 401 is not disposed, so as to reduce energy transfer between the upper vent pipe and the lower vent pipe and ensure a cooling effect.
In this embodiment, a second electric air valve 422 and a third electric air valve 423 are respectively arranged in the second ventilation opening 412 and the third ventilation opening 413, the second electric air valve 422 and the third electric air valve 423 respectively communicate the lower ventilation pipe with the outside of the cabinet body 1 and the upper ventilation pipe with the outside of the cabinet body 1, a first electric air valve 421 is further arranged between the upper ventilation pipe and the lower ventilation pipe, the first electric air valve 421 communicates the upper ventilation pipe with the lower ventilation pipe, a first fan 431 and a second fan 432 are further respectively arranged in the upper ventilation pipe and the lower ventilation pipe, the air outlet 404 is provided with a third fan 433, the first fan 431, the second fan 432, the third fan 433, the first electric air valve 421, the second electric air valve 422, the third electric air valve 423 and a uniform control device 3 of the semiconductor refrigeration sheet 401 are electrically connected, and the control device 3 is used for controlling the first electric air valve 421, The second electric air valve 422 and the third electric air valve 423 are opened and closed, and the forward and reverse rotation of the second fan 432 is controlled to change the circulation mode of air, so that the moisture-proof device 4 can convey dry cold air or dry hot air into the cabinet 1, and the specific implementation manner is as follows:
when the control cabinet is in a normal working state, the control device 3 and the moisture-proof device 4 are powered by an external power supply, the standby power supply 5 is in a charging state, the temperature inside the cabinet body 1 is higher than the outside due to the heating of electrical components, at the moment, the first electric air valve 421 is closed, the second electric air valve 422 and the third electric air valve 423 are opened, the first fan 431 and the second fan 432 rotate forwards, the refrigerating surface of the semiconductor refrigerating sheet 401 refrigerates, the heating surface generates heat, moist air enters the moisture-proof device 4 through the second vent 412 and the third vent 413, the moist air entering the upper vent pipe is cooled, moisture is condensed, the air humidity is reduced, dry and cold air enters the cabinet body 1 through the air outlet 404, the moist air entering the lower vent pipe plays a role in heat dissipation, and is discharged out of the moisture-proof device 4 through the first vent 411; when an unexpected power failure occurs, the control device 3 and the moisture-proof device 4 are powered by the standby power supply 5, the control cabinet is still kept dry, at the moment, the first electric air valve 421 is opened, the second electric air valve 422 and the third electric air valve 423 are closed, the second fan 432 rotates reversely, the first fan 431 rotates forwards to enable air to circulate between the lower ventilating pipe and the upper ventilating pipe, at the moment, the semiconductor refrigerating sheet 401 is electrified reversely, the refrigerating surface of the semiconductor refrigerating sheet 401 is enabled to generate heat, the heating surface starts refrigerating, moist air enters the lower ventilating pipe through the first ventilating opening 411 to be cooled, moisture condenses, absolute humidity in the air is reduced, the moist air enters the upper ventilating pipe through the opened first electric air valve 421 to be heated, the relative humidity is reduced and then enters the cabinet body 1 through the air outlet 404, the humidity in the cabinet body 1 is far lower than the air humidity, and the moist air cannot be affected under the power failure.
In this embodiment, the upper ventilation pipe and the lower ventilation pipe are provided with a drainage groove 407, a water collection groove 405 and a drainage hole 406, so that condensed water can be conveniently drained out of the moisture-proof device 4.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The utility model provides a switch board with dampproofing function which characterized in that: the cabinet comprises a cabinet body and a cabinet door hinged to one side of the cabinet body, wherein a control device, a moisture-proof device for moisture prevention and dehumidification and a standby power supply are arranged in the cabinet body, the moisture-proof device comprises an upper ventilation pipe and a lower ventilation pipe, two ends of the lower ventilation pipe are respectively provided with a first ventilation opening and a second ventilation opening, two ends of the upper ventilation pipe are respectively provided with a third ventilation opening and an air outlet, the third ventilation opening and the second ventilation opening are located at the same end of the moisture-proof device, the first ventilation opening, the second ventilation opening and the third ventilation opening are communicated with the outside of the cabinet body through holes arranged on two sides.
2. The control cabinet with the moisture-proof function according to claim 1, wherein: a plurality of semiconductor refrigeration pieces are arranged between the upper ventilation pipe and the lower ventilation pipe in parallel, and refrigeration surfaces of the semiconductor refrigeration pieces face upward to the ventilation pipe.
3. The control cabinet with the moisture-proof function according to claim 2, wherein: the semiconductor refrigeration piece both sides all are provided with the heat-conducting plate, the heat-conducting plate is kept away from one side of semiconductor refrigeration piece is provided with the conducting strip, one side that the semiconductor refrigeration piece was kept away from to the heat-conducting plate with the conducting strip extends to inside the ventilation pipe or the lower ventilation pipe.
4. The control cabinet with the moisture-proof function according to claim 3, wherein: the heat conducting plate is filled with heat insulating materials in gaps where the semiconductor refrigeration pieces are not arranged.
5. The control cabinet with the moisture-proof function according to claim 1, wherein: the air conditioner is characterized in that a second electric air valve and a third electric air valve are respectively arranged in the second ventilation opening and the third ventilation opening, the second electric air valve and the third electric air valve are respectively communicated with the lower ventilation pipe and the outside of the cabinet body, the upper ventilation pipe and the outside of the cabinet body, a first electric air valve is further arranged between the upper ventilation pipe and the lower ventilation pipe, the first electric air valve is communicated with the upper ventilation pipe and the lower ventilation pipe, a first fan and a second fan are respectively arranged in the upper ventilation pipe and the lower ventilation pipe, a third fan is arranged at the air outlet, and the first fan, the second fan, the third fan, the first electric air valve, the second electric air valve, the third electric air valve and the uniform control device of the semiconductor refrigerating sheet are electrically connected.
6. The control cabinet with the moisture-proof function according to claim 1, wherein: the upper ventilation pipe and the lower ventilation pipe are provided with a drainage groove, a water collecting groove and a drain hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921584459.5U CN210537230U (en) | 2019-09-23 | 2019-09-23 | Switch board with dampproofing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921584459.5U CN210537230U (en) | 2019-09-23 | 2019-09-23 | Switch board with dampproofing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210537230U true CN210537230U (en) | 2020-05-15 |
Family
ID=70606230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921584459.5U Active CN210537230U (en) | 2019-09-23 | 2019-09-23 | Switch board with dampproofing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210537230U (en) |
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2019
- 2019-09-23 CN CN201921584459.5U patent/CN210537230U/en active Active
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