CN217746459U - Dehumidification fan-type dehydrating unit based on metal switch cabinet - Google Patents
Dehumidification fan-type dehydrating unit based on metal switch cabinet Download PDFInfo
- Publication number
- CN217746459U CN217746459U CN202221855156.4U CN202221855156U CN217746459U CN 217746459 U CN217746459 U CN 217746459U CN 202221855156 U CN202221855156 U CN 202221855156U CN 217746459 U CN217746459 U CN 217746459U
- Authority
- CN
- China
- Prior art keywords
- switch cabinet
- ventilation pipe
- dehumidification
- check valve
- pressure
- 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.)
- Active
Links
Images
Abstract
The utility model provides a dehumidification fan type dehumidification device based on a metal switch cabinet, which structurally comprises a dehumidification fan (1), a first ventilation pipe (3) and a second ventilation pipe (6); an air outlet (2) of the dehumidification fan is communicated with one end of a first ventilation pipe (3), a plurality of first ventilation pipe outlets are distributed on the first ventilation pipe (3), one end of a second ventilation pipe (6) is communicated with an air inlet (10) of the dehumidification fan, a plurality of second ventilation pipe inlets are distributed on the second ventilation pipe (6), each first ventilation pipe outlet is communicated with an air inlet of a corresponding switch cabinet (7), and an air outlet of each switch cabinet (7) is correspondingly communicated with one second ventilation pipe inlet on the second ventilation pipe (6); the utility model discloses well dehumidification fan (1) is located the cubical switchboard outside, has avoided current heating dehydrating unit to be located the inside problem that arouses local overheat, and steam is difficult to give off easily of cubical switchboard.
Description
Technical Field
The utility model relates to a dehumidification fan-type dehydrating unit based on metal switch cabinet belongs to cubical switchboard dehumidification cooling technical field.
Background
When the temperature suddenly drops, water is accumulated in a cable trench and the plugging of an outlet wire of a switch cabinet is not tight, the metal switch cabinet equipment (a high-voltage switch cabinet, a control cubicle, a ring main unit and the like) often has a condensation phenomenon on the internal equipment, the insulation strength of an electric element is greatly reduced, and a short circuit fault occurs, and the phenomenon is relatively common in humid climatic regions and rainy seasons in south China, and is one of the serious threats to the safe and stable operation of a power system at present.
However, as for the conventional condensation dehumidification device at present, the heating dehumidification device in the switch cabinet easily causes local overheating and has the problem that water vapor is not easily emitted; meanwhile, when the traditional condensation dehumidification device is installed and used, the hygrometer needs to be installed inside the switch cabinet, and power failure is needed to be performed for installation, so that a large amount of work is increased; in addition, for the dehumidification mechanism connected with a plurality of switch cabinet devices, high risk exists at the position of the connection position of the switch cabinets, if the switch cabinets explode due to accidents, explosives can enter the adjacent switch cabinets along with the return air valves under strong pressure, and therefore serious secondary loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dehumidification fan-type dehydrating unit based on metal switch cabinet, its purpose aims at solving current heating dehydrating unit and is located the inside problem that arouses local overheat, and steam is difficult to give off easily of cubical switchboard.
The technical solution of the utility model is as follows: a dehumidification fan type dehumidification device based on a metal switch cabinet structurally comprises a dehumidification fan 1, a first ventilation pipe 3 and a second ventilation pipe 6; the air outlet 2 of dehumidification fan communicates with the one end of first ventilation pipe 3, it has a plurality of first ventilation pipe exports to distribute on the first ventilation pipe 3, the one end of second ventilation pipe 6 communicates with the air intake 10 of dehumidification fan, it has a plurality of second ventilation pipe imports to distribute on the second ventilation pipe 6, every first ventilation pipe export all communicates with the air intake that corresponds cubical switchboard 7, the air outlet of every cubical switchboard 7 all corresponds the intercommunication with a second ventilation pipe import on the second ventilation pipe 6.
Further, a temperature and humidity instrument 9 is installed at an air outlet of each switch cabinet.
Furthermore, an electric valve 4 and an A high-pressure one-way check valve 5 are connected in series between each first ventilation pipe outlet and the air inlet of the corresponding switch cabinet, the first ventilation pipe outlet is communicated with one end of the corresponding electric valve 4, the other end of the electric valve 4 is communicated with one end of the corresponding A high-pressure one-way check valve 5, and the other end of the A high-pressure one-way check valve 5 is communicated with the air inlet of the corresponding switch cabinet.
Further, the A high-pressure one-way check valve 5 is a stainless steel high-pressure check valve.
Furthermore, the air outlet of the switch cabinet is positioned at the front cabinet door of the corresponding switch cabinet, and the air inlet of the switch cabinet is positioned at the rear cabinet door of the corresponding switch cabinet; the first ventilation pipe 3 is fixedly connected with a rear cabinet door shell of the switch cabinet through an inner expansion screw; and the second ventilation pipe 6 is fixedly connected with a front cabinet door shell of the switch cabinet through an internal expansion screw.
Furthermore, a B high-pressure one-way check valve 8 is connected in series between the air outlet of each switch cabinet 7 and the inlet of the corresponding second vent pipe; the air outlet of each switch cabinet is communicated with one end of the corresponding B high-pressure one-way check valve 8, and the other end of the B high-pressure one-way check valve 8 is communicated with the inlet of the corresponding second vent pipe on the second vent pipe 6.
Further, the B high-pressure one-way check valve 8 is a stainless steel high-pressure check valve.
Further, the humiture instrument 9 is installed on the inner wall of the air outlet of each switch cabinet corresponding to the B high-pressure one-way check valve 8.
Further, a dehumidification fan-type dehydrating unit based on metal switch cabinet, its structure still includes the control unit 11, and the signal output part of humiture appearance 9 is connected with the signal input part of control unit 11, and the first signal output part of control unit 11 is connected with the signal input part of dehumidification fan 1, and the second signal output part of control unit 11 corresponds with the signal input part of every electric valve 4 respectively and is connected.
Further, the electric valve 4 is a manual-automatic integrated electric valve.
The utility model has the advantages that:
1) Compared with the traditional condensation dehumidifying device, the dehumidifying fan 1 is positioned outside the switch cabinet, so that the problems that the existing heating dehumidifying device is positioned inside the switch cabinet, local overheating is easily caused, and water vapor is not easily emitted are solved;
2) Through further design, the use of the A high-pressure one-way check valve 5 and the B high-pressure one-way check valve 8 avoids the risk that high-pressure gas and foreign matters generated when the switch cabinet is subjected to fault explosion enter the adjacent switch cabinet through the first ventilation pipe 3 and the second ventilation pipe 6 to cause secondary loss.
Drawings
Fig. 1 is a schematic structural diagram of an application state of an embodiment of the present invention.
Fig. 2 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 3 is the installation position schematic diagram of the high-pressure one-way check valve 5 and the high-pressure one-way check valve 8 of the utility model.
Fig. 4 is a schematic view of the installation position of the temperature and humidity meter 9.
Fig. 5 is a schematic connection diagram of the dehumidification fan 1, the electric valve 4, the temperature and humidity meter 9 and the control unit 11.
In the attached drawing, 1 is a dehumidifying fan, 2 is an air outlet of the dehumidifying fan, 3 is a first vent pipe, 4 is an electric valve, 5 is an A high-pressure one-way check valve, 6 is a second vent pipe, 7 is a switch cabinet, 8 is a B high-pressure one-way check valve, 9 is a temperature and humidity instrument, 10 is an air inlet of the dehumidifying fan, and 11 is a control unit.
Detailed Description
A dehumidification fan type dehumidification device based on a metal switch cabinet structurally comprises a dehumidification fan 1, a first ventilation pipe 3 and a second ventilation pipe 6; the air outlet 2 of dehumidification fan communicates with the one end of first ventilation pipe 3, it has a plurality of first ventilation pipe exports to distribute on the first ventilation pipe 3, the one end of second ventilation pipe 6 communicates with the air intake 10 of dehumidification fan, it has a plurality of second ventilation pipe imports to distribute on the second ventilation pipe 6, every first ventilation pipe export all communicates with the air intake that corresponds cubical switchboard 7, the air outlet of every cubical switchboard 7 all corresponds the intercommunication with a second ventilation pipe import on the second ventilation pipe 6.
An electric valve 4 and an A high-pressure one-way check valve 5 are connected in series between the outlet of each first ventilation pipe and the air inlet of the corresponding switch cabinet, the outlet of each first ventilation pipe is communicated with one end of the corresponding electric valve 4, the other end of the electric valve 4 is communicated with one end of the corresponding A high-pressure one-way check valve 5, and the other end of the A high-pressure one-way check valve 5 is communicated with the air inlet of the corresponding switch cabinet; when the air conditioner works, an air outlet 2 of the dehumidification fan is connected to a rear cabinet door of the switch cabinet through a first ventilation pipe 3, dry air can be distributed to each switch cabinet through the first ventilation pipe 3, and the first ventilation pipe 3 is connected with an A high-pressure one-way check valve 5 through an electric valve 4 arranged at an air inlet of the switch cabinet; the a high pressure one-way check valve 5 is preferably a stainless steel high pressure check valve.
The air outlet of the switch cabinet is positioned at the front cabinet door of the corresponding switch cabinet, and the air inlet of the switch cabinet is positioned at the rear cabinet door of the corresponding switch cabinet; the first ventilation pipe 3 is preferably fixedly connected with a rear cabinet door shell of the switch cabinet through an internal expansion screw; the second ventilation pipe 6 is preferably fixedly connected with a front cabinet door shell of the switch cabinet through an internal expansion screw.
A B high-pressure one-way check valve 8 is connected between the air outlet of each switch cabinet 7 and the inlet of the corresponding second ventilation pipe in series; the air outlet of each switch cabinet is communicated with one end of the corresponding B high-pressure one-way check valve 8, the other end of the B high-pressure one-way check valve 8 is communicated with the inlet of the corresponding second vent pipe on the second vent pipe 6, and the second vent pipe 6 is communicated with the air inlet 10 of the dehumidification fan; the B high pressure one-way check valve 8 is preferably a stainless steel high pressure check valve.
A temperature and humidity instrument 9 is installed at the air outlet of each switch cabinet; the temperature and humidity instrument 9 is preferably arranged on the inner wall of the air outlet of each switch cabinet corresponding to the B high-pressure one-way check valve 8; it is further preferred that humiture appearance 9 is located the one end that B high pressure one-way check valve 8 is close to the cubical switchboard, and humiture appearance 9 preferably stretches into inside about 3cm of cubical switchboard.
The A high-pressure one-way check valve 5 enables air to flow into the switch cabinet in one direction only.
The B high-pressure one-way check valve 8 enables air to flow out of the switch cabinet only in one direction.
When the utility model works, when the humiture instrument 9 at the air outlet of the switch cabinet 7 detects that the humidity in the switch cabinet 7 is higher than the set threshold value, the dehumidifying fan 1 is started, the electric valve 4 corresponding to the rear cabinet door of the switch cabinet is opened, and dry air is blown into the switch cabinet from the air inlet of the switch cabinet to take away water vapor and start dehumidifying work; moist air coming out of the interior of the switch cabinet enters a second vent pipe 6 through a switch cabinet air outlet 8, the moist air enters a dehumidifying fan 1 through the second vent pipe 6, the dehumidifying fan 1 processes the moist air in the second vent pipe 6 into dry air, and the dry air is input into the switch cabinet from a rear cabinet door of the switch cabinet through a first vent pipe 3 to form convection; when a humiture instrument 9 at an air outlet of the switch cabinet detects that the internal humidity of the switch cabinet is lower than a set threshold value, an electric valve 4 corresponding to a rear cabinet door of the switch cabinet is closed, the dehumidification work of the switch cabinet is stopped, more air flow is conveyed to switch cabinet equipment at a far end, and therefore the dehumidification effect inside the switch cabinet equipment at the far end is ensured; the B high-pressure one-way check valve 8 arranged at the air outlet of the switch cabinet enables air to flow out of the switch cabinet in one direction only, and the condition that generated high-pressure air is blocked by the B high-pressure one-way check valve 8 and cannot enter a normal switch cabinet through the second vent 6 is guaranteed; the high-pressure one-way check valve 5A and the high-pressure one-way check valve 8B ensure that high-pressure gas generated during explosion of the switch cabinet cannot damage a normal switch cabinet from the air inlet and the air outlet of the switch cabinet through the first ventilation pipe 3 and the second ventilation pipe 6, so that the aim of explosion prevention is fulfilled; preferably, the dehumidification fan 1 can be set to have a timing starting function, and can also be set according to the humidity in the switch cabinet, such as: when the humidity detected by any switch cabinet temperature and humidity meter 9 reaches more than 60%, the dehumidifying fan 1 is automatically started, and when the humidity of all switch cabinets is lower than 50%, the dehumidifying fan 1 is automatically stopped.
The dehumidifying fan type dehumidifying device based on the metal switch cabinet structurally further comprises a control unit 11, wherein a signal output end of a temperature and humidity instrument 9 is connected with a signal input end of the control unit 11, a first signal output end of the control unit 11 is connected with a signal input end of the dehumidifying fan 1, and a second signal output end of the control unit 11 is correspondingly connected with a signal input end of each electric valve 4; during operation, the power supplies of the dehumidification fan 1, the control unit 11, the electric valve 4 and the humiture instrument 9 are preferably selected from an alternating current power supply outside the switch cabinet 7, power taking and wiring in the switch cabinet are not needed, the front door and the rear door of the cabinet body do not need to be opened in the whole working process, power failure of equipment is not needed, related parts only need to be punched and fixed at safe positions on the front cabinet door and the rear cabinet door of the switch cabinet, and safety and convenience of installation and maintenance are guaranteed; when the dehumidifying device works, when the humiture instrument 9 positioned at the air outlet of the switch cabinet 7 detects that the humidity in the switch cabinet 7 is higher than a set threshold value, a signal is fed back to the control unit 11, the control unit 11 starts the dehumidifying fan 1 and opens the electric valve 4 corresponding to the rear cabinet door of the switch cabinet, dry air is blown into the switch cabinet from the air inlet of the switch cabinet to take away water vapor, and dehumidifying work is started; moist air coming out of the interior of the switch cabinet enters a second ventilation pipe 6 through a switch cabinet air outlet 8, the moist air enters a dehumidification fan 1 through the second ventilation pipe 6, the dehumidification fan 1 processes the moist air in the second ventilation pipe 6 into dry air, and the dry air is input into the switch cabinet from a switch cabinet rear cabinet door through a first ventilation pipe 3 to form convection; when the humiture instrument 9 at the air outlet of the switch cabinet detects that the internal humidity of the switch cabinet is lower than a set threshold value, the control unit 11 closes the electric valve 4 at the rear cabinet door of the corresponding switch cabinet 7, so as to stop the dehumidification work of the switch cabinet and enable more air flows to be conveyed to the switch cabinet equipment at the far end; if the control unit 11 or the temperature and humidity instrument 9 fails, a worker can manually open the switch cabinet electric valve 4 needing dehumidification to perform manual forced dehumidification; the control unit 11 can set up dehumidification fan 1 and have the function of regularly opening, also can set for according to the interior humidity of cubical switchboard, if: when the humidity detected by any switch cabinet temperature and humidity instrument 9 reaches 60%, the dehumidifying fan 1 is automatically started, and the dehumidifying fan 1 automatically stops working when the humidity of all switch cabinets is lower than 50%.
The electric valve 4 is preferably a manual-automatic integrated electric valve, and is further preferably an electric butterfly valve with the model number of D971X-16; the electric valve 4 can be automatically controlled to open and close by the control unit 1 during normal work; when necessary, the electric valve 4 can be manually opened and closed, and the electric valve 4 can be manually opened and closed, so that the problem that the dehumidification fan 1 cannot be opened due to the fault of the control unit 1 or the measurement error of the temperature and humidity instrument 9 is solved.
Claims (10)
1. A dehumidification fan type dehumidification device based on a metal switch cabinet is characterized by comprising a dehumidification fan (1), a first ventilation pipe (3) and a second ventilation pipe (6); the air outlet (2) of dehumidification fan and the one end intercommunication of first ventilation pipe (3), it has a plurality of first ventilation pipe exports to distribute on first ventilation pipe (3), the one end of second ventilation pipe (6) and dehumidification fan's air intake (10) intercommunication, it has a plurality of second ventilation pipe imports to distribute on second ventilation pipe (6), every first ventilation pipe export all communicates with the air intake that corresponds cubical switchboard (7), the air outlet of every cubical switchboard (7) all corresponds the intercommunication with a second ventilation pipe import on second ventilation pipe (6).
2. The dehumidification fan-type dehumidification device based on metal switch cabinets as claimed in claim 1, wherein a temperature and humidity instrument (9) is installed at an air outlet of each switch cabinet.
3. The dehumidification fan type dehumidification device based on metal switch cabinet as claimed in claim 1, wherein an electric valve (4) and an a high-pressure one-way check valve (5) are connected in series between each first ventilation pipe outlet and the air inlet of the corresponding switch cabinet, the first ventilation pipe outlet is communicated with one end of the corresponding electric valve (4), the other end of the electric valve (4) is communicated with one end of the corresponding a high-pressure one-way check valve (5), and the other end of the a high-pressure one-way check valve (5) is communicated with the air inlet of the corresponding switch cabinet.
4. The dehumidification fan type dehumidification device based on metal switch cabinet as claimed in claim 3, wherein said A high pressure one-way check valve (5) is stainless steel high pressure check valve.
5. The dehumidification fan-type dehumidification device based on the metal switch cabinet as claimed in claim 1, wherein the air outlet of the switch cabinet is located at a front cabinet door of the corresponding switch cabinet, and the air inlet of the switch cabinet is located at a rear cabinet door of the corresponding switch cabinet; the first ventilation pipe (3) is fixedly connected with a rear cabinet door shell of the switch cabinet through an inner expansion screw; and the second ventilation pipe (6) is fixedly connected with a front cabinet door shell of the switch cabinet through an internal expansion screw.
6. The dehumidification fan-type dehumidification device based on the metal switch cabinet as claimed in claim 2, wherein a B high-pressure one-way check valve (8) is connected in series between the air outlet of each switch cabinet (7) and the inlet of the corresponding second ventilation pipe; the air outlet of each switch cabinet is communicated with one end of the corresponding B high-pressure one-way check valve (8), and the other end of the B high-pressure one-way check valve (8) is communicated with the corresponding second vent pipe inlet on the second vent pipe (6).
7. The dehumidification fan type dehumidification device based on metal switch cabinet as claimed in claim 6, wherein said B high pressure one-way check valve (8) is stainless steel high pressure check valve.
8. The dehumidification fan type dehumidification device based on metal switch cabinets as claimed in claim 6, wherein said humiture instrument (9) is installed on the inner wall of the corresponding B high-pressure one-way check valve (8) at the air outlet of each switch cabinet.
9. The dehumidification fan-type dehumidification device based on the metal switch cabinet as claimed in any one of claims 1 to 8, further comprising a control unit (11), wherein a signal output end of the temperature and humidity meter (9) is connected to a signal input end of the control unit (11), a first signal output end of the control unit (11) is connected to a signal input end of the dehumidification fan (1), and a second signal output end of the control unit (11) is correspondingly connected to a signal input end of each of the electric valves (4).
10. The dehumidification fan type dehumidification device based on metal switch cabinet as claimed in claim 9, wherein said electric valve (4) is a manual-automatic integrated electric valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221855156.4U CN217746459U (en) | 2022-07-19 | 2022-07-19 | Dehumidification fan-type dehydrating unit based on metal switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221855156.4U CN217746459U (en) | 2022-07-19 | 2022-07-19 | Dehumidification fan-type dehydrating unit based on metal switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217746459U true CN217746459U (en) | 2022-11-08 |
Family
ID=83876311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221855156.4U Active CN217746459U (en) | 2022-07-19 | 2022-07-19 | Dehumidification fan-type dehydrating unit based on metal switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217746459U (en) |
-
2022
- 2022-07-19 CN CN202221855156.4U patent/CN217746459U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205407047U (en) | Dampproofing dehydrating unit in transformer substation hyperbaric chamber | |
| CN107306017A (en) | A kind of low-voltage distribution apparatus with dehumidifying and cooling function | |
| CN105375367B (en) | A kind of temperature humidity linkage type transformation cabinet | |
| CN106786052A (en) | A kind of easy heat radiation damp-proof transformation cabinet | |
| CN105652931A (en) | Intelligent adjustment system for metal-enclosed middle-arrangement switchgear of substation and adjustment method of intelligent adjustment system | |
| CN217746459U (en) | Dehumidification fan-type dehydrating unit based on metal switch cabinet | |
| CN208887336U (en) | A kind of moisture-proof drying device of electric control box | |
| CN111355159B (en) | Remote operation switch cabinet | |
| CN203942174U (en) | Closed equipment moisture separating device | |
| CN102830738A (en) | Device for preventing moisture condensation of closed bus | |
| CN106300091A (en) | Add the semiconductor dehumidifying device for switch cubicle cool-down dehumidification of dividing plate | |
| CN207398672U (en) | A kind of High-voltage Incoming Cabinet with electric arc protection | |
| CN202561944U (en) | Jet type steam pipe humidifier | |
| CN205507592U (en) | Put cubical switchboard intelligent regulation system in transformer substation's armor | |
| CN106786046B (en) | A kind of low temp compensating control method of electrical cabinet | |
| CN214478950U (en) | Power distribution cabinet with automatic adjusting function | |
| CN208161330U (en) | For switching the air dry-set of bin | |
| CN209592654U (en) | A kind of Novel fireproof power distribution cabinet | |
| CN106505435A (en) | A kind of refrigeration system for the cooling of intelligent substation outdoor intelligent case | |
| CN205610054U (en) | A novel heat radiation structure for high tension switchgear | |
| CN112701583A (en) | Combined electrical cabinet capable of automatically adjusting temperature | |
| CN201373658Y (en) | Wind-fill device in chamber body of hot wind circulation sterilization dryer | |
| CN208043172U (en) | Switchgear house monitoring water environment system | |
| CN202887030U (en) | Condensation-prevention device for enclosed bus | |
| CN110345545A (en) | Electric heater with protected by temperature limitation function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |