CN207069334U - A kind of ring main unit with radiating and antifogging function - Google Patents
A kind of ring main unit with radiating and antifogging function Download PDFInfo
- Publication number
- CN207069334U CN207069334U CN201720958700.0U CN201720958700U CN207069334U CN 207069334 U CN207069334 U CN 207069334U CN 201720958700 U CN201720958700 U CN 201720958700U CN 207069334 U CN207069334 U CN 207069334U
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- CN
- China
- Prior art keywords
- cabinet
- heat dissipation
- blower fan
- moisture absorption
- absorption box
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Abstract
The utility model discloses a kind of ring main unit with radiating and antifogging function,Including cabinet,Top cover,Heat abstractor,Condensation-preventing device,Temperature sensor and controller,Cabinet is divided into four interior rooms by intersection and vertical transverse slat and riser,Air vent is offered on the top plate of cabinet,Top cover is arranged on by support frame above the top plate of cabinet,Heat abstractor includes blower fan one,Fin and heat dissipation cavity,Heat dissipation cavity includes heat dissipation chamber,Blower fan two and ventilation shaft,Heat dissipation chamber is arranged on below the bottom plate of cabinet,Blower fan two is arranged on the interior of heat dissipation chamber,Ventilation shaft is separately positioned on the corner of heat dissipation chamber's bottom plate and side wall,Condensation-preventing device includes moisture absorption box and resistive heater,Air inlet is offered on the top plate of moisture absorption box,Breather cheek valve is installed at air inlet,The bottom of moisture absorption box offers exhaust outlet,Exhaust ports are provided with one-way exhaust valve；The utility model is simple in construction, greatly improves radiating and the antifogging function of ring main unit.
Description
Technical field
It the utility model is related to electrical equipment technical field, more particularly to a kind of looped network with radiating and antifogging function
Cabinet.
Background technology
Ring main unit is that one group of high-tension switch gear is mounted in steel sheet metal cabinet or made assembled compartment ring network power supply list
The electrical equipment of member, its core have simple in construction, small volume, valency using electrical equipments such as on-load switch and fuses
Lattice are low, can improve the advantages that power supply parameter and performance and power supply safety.It is widely used in Urban Residential District, high level is built
Build, in the power distribution station and box-type substation of load center such as large public building, factory and enterprise.Installation is electric in ring main unit
Heat caused by element heating needs uninterrupted discharge, to ensure the normal operation of electrical equipment.At present, it is electrically first in ring main unit
Mode and structure have following defect used by part is radiated：1st, because ring main unit is typically all that height is higher, using perpendicular
To ventilation, wind path is longer, and the cold wind of wind path end has been heated, therefore the temperature in ring main unit is still higher, and radiating effect is poor,
Electrical equipment service life is caused to shorten；2nd, the air quantity of wind path is not provided with governor motion, and power consumption is larger, cools down radiating efficiency
It is low.Novel high-pressure ring main unit inner space is extremely compact, to ensure that it in high humidity local dielectric level, ensures its reliable work
Make, higher requirement is proposed to moistureproof, anti-condensation in cabinet.Electrical equipment makes moist, and can have problem includes：1st, electric equipment is given birth to
Rust, causes rotating part failure when performing work；2nd, after electric equipment seriously makes moist, easily cause under electrically breakdown or insulation
Drop, produce potential safety hazard；3rd, electric equipment seriously makes moist for a long time, can make loose contact at the electrical connection of equipment, is performing electricity
Gas occurrence of equipment tripping or tampers when being driven.Therefore, solve high-voltage ring main unit condensation problem, be to ensure that electrical equipment equipment is normal
Run necessary condition.China prevents the existing more than ten years history of condensation in switch cubicle using automatic heating and dehumidification controller, this
Heating and dehumidification controller serves positive role in moisture resistant, anti-condensation guarantee high-tension apparatus reliability service, but in the area having
Also occur some problems in.Such as：In southern plum rain season, the air humidity of inside switch cabinet is higher sometimes, very
Locally have dew condensation phenomenon in switch cubicle, condensation is reached because the condensation sensing station inside cabinet does not have
Degree, or condensation sensor make the sensitivity of sensor be affected, condensation control for a long time by dust in air and gas pickling
Device processed can not start heater in time, cause condensation control effect failure, equipment can not normal operation, to switchgear
Safe operation bring threat.
Utility model content
In view of the above-mentioned problems, the utility model proposes a kind of ring main unit with radiating and antifogging function, solves ring
Net cabinet heat radiation effect is bad and condensation is formed the problem of causing interior humidity larger damage ring main unit electrical equipment.
To solve the above problems, the utility model proposes a kind of ring main unit with radiating and antifogging function, including cabinet
Body, top cover, heat abstractor, condensation-preventing device, temperature sensor and controller, the cabinet is by intersection and vertical transverse slat and erects
Plate is divided into four interior rooms, and each interior room is provided with chamber door, is provided with observation window and handle on chamber door, on the top plate of cabinet
Air vent is offered, incoming line and line outlet are offered on cabinet, internal thread, and inlet wire are provided with incoming line and line outlet
Cover plate is separately installed with mouth and line outlet, multiple entrance holes are provided with cover plate, and the outer wall of cover plate is provided with and incoming line
The external screw thread being engaged with line outlet internal thread, the top cover are pyramidal structure, and the top plate of cabinet is arranged on by support frame
Top, to form plenum area, the outer surface of top cover is pasted with solar panel, and the heat abstractor includes blower fan one, radiating
Piece and heat dissipation cavity, the blower fan one are suspended on the top of cabinet, and the fin is arranged on two symmetrical lateral walls of cabinet
On, the heat dissipation cavity includes heat dissipation chamber, blower fan two and ventilation shaft, and the heat dissipation chamber is the open body structure in top, is set
Below the bottom plate of cabinet, the blower fan two is arranged in heat dissipation chamber, the ventilation shaft be separately positioned on heat dissipation chamber's bottom plate with
The corner of side wall, and with being connected in heat dissipation chamber, and the port of export of ventilation shaft is bent downwards, the condensation-preventing device bag
Moisture absorption box and hot water radiation wire are included, the moisture absorption box is suspended in the side wall in cabinet, and moisture absorption box is body structure, the top of moisture absorption box
Air inlet is offered on plate, breather cheek valve is installed at air inlet, the bottom of moisture absorption box offers exhaust outlet, exhaust ports peace
Equipped with one-way exhaust valve, moisture absorption box is internally provided with screen pack, and hygroscopic agent, the resistive heater arrangement are placed with screen pack
In moisture absorption box and it is wrapped on the transverse slat and riser, the temperature sensor is arranged on inside cabinet, the controller
It is arranged on cabinet outer wall, the signal output part of temperature sensor and the signal receiving end connection of controller, blower fan one, wind
The signal receiving end of machine two and resistive heater respectively distinguish by the signal output part connection with controller, solar panel
With blower fan one, blower fan two, controller, temperature sensor and resistive heater connection.
It is as a kind of further improvement project of the ring main unit with radiating and antifogging function of the utility model：It is described
Airstrainer is provided with blower fan one and blower fan two.
It is as a kind of further improvement project of the ring main unit with radiating and antifogging function of the utility model：It is described
Airstrainer is provided with the outside of the top plate of cabinet.
It is as a kind of further improvement project of the ring main unit with radiating and antifogging function of the utility model：It is described
The hygroscopic agent placed in moisture absorption box is lime stone or silica gel or calcium chloride.
Beneficial effect
Cabinet of the present utility model is divided into four interior rooms by intersection and vertical transverse slat and riser, and four interior rooms are used respectively
In placing instrument, high-tension apparatus, low-voltage equipment and adjusting device, air vent is offered on the top plate of cabinet, air vent is set
Putting can directly make the air inside cabinet realize convection current with outside air, further reach the purpose to cabinet radiating；Cabinet
On offer incoming line and line outlet, be provided with internal thread in incoming line and line outlet, and distinguish at incoming line and line outlet
Cover plate is installed, multiple entrance holes are provided with cover plate, and the outer wall of cover plate is provided with and incoming line and line outlet internal thread phase
The setting of the external screw thread of cooperation, incoming line and line outlet is easy to cable to enter from incoming line, is passed from line outlet, incoming line and
The setting of cover plate at line outlet, reduce extraneous steam and enter inside cabinet, incoming line and line outlet be provided with cover plate
The internal thread that external screw thread cooperates, it is possible to achieve dismounting and installation of cover plate etc., top cover are pyramidal structure, and pass through support
Frame is arranged on the top plate of cabinet, and the upper surface of top cover is pasted with solar panel, and top cover support is got up by support frame
Set-up mode, can make to form plenum area between top cover and the top plate of cabinet, realize cabinet inner air and outside air
Convection current；Heat abstractor includes blower fan one, fin and heat dissipation cavity, and blower fan one is suspended on the top of cabinet, and blower fan one can be to cabinet
Body is radiated, and fin is arranged on two symmetrical lateral walls of cabinet, the setting of fin, can further be realized pair
The radiating of cabinet；Heat dissipation cavity includes heat dissipation chamber, blower fan two and ventilation shaft, and heat dissipation chamber is the open body structure in top, is set
Below the bottom plate of cabinet, blower fan two is arranged on the interior of heat dissipation chamber, and ventilation shaft is separately positioned on heat dissipation chamber's bottom plate and side wall
Corner, ventilation shaft can realize the convection current to heat dissipation chamber's inner air and outside air, realize heat dissipation chamber's internal heat
Heat exchange, further realize the radiating to cabinet；And the port of export of ventilation shaft is bent downwards；This bending is set, and is avoided
Rainwater etc. is entered in heat dissipation chamber from ventilation shaft；Moisture absorption box is suspended in the side wall in cabinet, is opened on the top plate of moisture absorption box
Provided with air inlet, breather cheek valve is installed at air inlet, the bottom of moisture absorption box offers exhaust outlet, and exhaust ports are provided with list
To air bleeding valve, moisture absorption box is internally provided with screen pack, is placed with hygroscopic agent on screen pack, and the air in cabinet has air inlet entrance
Into moisture absorption box, after hygroscopic agent adsorbs, discharged via exhaust outlet, realize the drying to air in cabinet；Resistive heater
It is arranged in the madial wall of moisture absorption box and is wrapped on transverse slat and riser, realizes drying to hygroscopic agent and to cabinet inside
The drying of air；The utility model is simple in construction, greatly improves radiating and the antifogging function of ring main unit.
Brief description of the drawings
Fig. 1 is a kind of structural representation of ring main unit of the utility model；
Fig. 2 is a kind of moisture absorption box structural representation of ring main unit of the utility model；
Fig. 3 is a kind of covering plate structure schematic diagram of ring main unit of the utility model；
In figure mark for：1st, cabinet, 2, top cover, 3, temperature sensor, 4, controller, 5, transverse slat, 6, riser, 7, chamber door,
8th, observation window, 9, handle, 10, air vent, 11, cover plate, 12, entrance hole, 13, support frame, 14, blower fan one, 15, fin, 16,
Heat dissipation chamber, 17, blower fan two, 18, ventilation shaft, 19, moisture absorption box, 20, air inlet, 21, exhaust outlet, 22, screen pack.
Embodiment
As shown in the figure：The utility model it is a kind of have radiating and antifogging function ring main unit, including cabinet 1, top cover 2,
Heat abstractor, condensation-preventing device, temperature sensor 3 and controller 4, the cabinet 1 is by intersection and vertical transverse slat 5 and riser 6
Four interior rooms are divided into, four interior rooms are respectively used to place instrument, high-tension apparatus, low-voltage equipment and adjusting device, each interior
Room is provided with chamber door 7, and observation window 8 and handle 9 are provided with chamber door 7, can be out of observation window 8 directly to each interior room
Equipment is observed, and avoids being repeatedly opened chamber door 7 during detection；Air vent 10 is offered on the top plate of cabinet 1, air vent 10
Setting can directly make the air inside cabinet 1 realize convection current with outside air, further reach the purpose to be radiated to cabinet 1；
Incoming line and line outlet are offered on cabinet 1, internal thread is provided with incoming line and line outlet, and at incoming line and line outlet
Cover plate 11 is separately installed with, is provided with multiple entrance holes 12 on cover plate 11, and the outer wall of cover plate 11 is provided with and incoming line and gone out
The external screw thread that the intraoral screw thread of line is engaged, the setting of incoming line and line outlet are easy to cable to enter from incoming line, from line outlet
Pass, the setting of cover plate 11 at incoming line and line outlet, reduce extraneous steam and enter inside cabinet 1, incoming line and outlet
Mouth is provided with the internal thread to be cooperated with external screw thread on cover plate 11, it is possible to achieve dismounting and installation of cover plate 11 etc., top
Lid 2 is pyramidal structure, and is arranged on by support frame 13 above the top plate of cabinet 1, and the upper surface of top cover 2 is pasted with solar energy
Cell panel, the set-up mode for supporting top cover 2 by support frame 13, it can make to be formed between the top plate of top cover 2 and cabinet 1
Plenum area, the inner air of cabinet 1 and outside air is set to realize convection current, the setting of solar panel, can be utilized too on top cover 2
Sun can be generated electricity, and save electric power resource；The heat abstractor includes blower fan 1, fin 15 and heat dissipation cavity, the wind
Machine 1 is suspended on the top of cabinet 1, and blower fan 1 can radiate to cabinet 1, and the fin 15 is arranged on the phase of cabinet 1
On symmetrical two lateral walls, the setting of fin 15, the radiating to cabinet 1 can be further realized；The heat dissipation cavity includes
Heat dissipation chamber 16, blower fan 2 17 and ventilation shaft 18, the heat dissipation chamber 16 are the open body structure in top, are arranged on cabinet 1
Below bottom plate, the blower fan 2 17 is arranged in heat dissipation chamber 16, the ventilation shaft 18 be separately positioned on the bottom plate of heat dissipation chamber 16 with
The corner of side wall, and with being connected in heat dissipation chamber 16, ventilation shaft 18 can be realized to the inner air of heat dissipation chamber 16 and the external world
The convection current of air, the heat exchange of the internal heat of heat dissipation chamber 16 is realized, further realize the radiating to cabinet 1；And ventilation shaft 18
The port of export bend downwards；This bending is set, and is avoided rainwater etc. and is entered from ventilation shaft 18 in heat dissipation chamber 16；Blower fan
Airstrainer is provided with 2 17, the dust in air can be avoided to pollute blower fan 2 17；The condensation-preventing device includes inhaling
Damp box 19 and resistive heater, the moisture absorption box 19 are suspended in the side wall in cabinet 1, and moisture absorption box 19 is body structure, the moisture absorption
Air inlet 20 is offered on the top plate of box 19, breather cheek valve is installed at air inlet 20, the bottom of moisture absorption box 19 offers row
Gas port 21, one-way exhaust valve is installed at exhaust outlet 21, moisture absorption box 19 is internally provided with screen pack 22, placed on screen pack 22
There is hygroscopic agent, hygroscopic agent is lime stone or silica gel or calcium chloride；Air in cabinet 1 has air inlet 20 to enter moisture absorption box 19
It is interior, after hygroscopic agent adsorbs, discharged via exhaust outlet 21, realize the drying to air in cabinet；Resistive heater is arranged in
In moisture absorption box 19 and it is wrapped on the transverse slat 5 and riser 6, realizes drying to hygroscopic agent and empty to the inside of cabinet 1
The drying of gas；The temperature sensor 3 is arranged on inside cabinet 1, and the controller 4 is arranged on the outer wall of cabinet 1, TEMP
The signal receiving end point of the signal output part of device 3 and the signal receiving end connection of controller 4, blower fan 19 and resistive heater
Not with the signal output part connection of controller 4, solar panel respectively with blower fan 1, blower fan 2 17, controller 4,
Temperature sensor 3 and resistive heater connection, controller 4 can be entered by setting the detection coefficient of temperature sensor 3
Row setting, when temperature reaches setting value, blower fan can be started by controller 4, cabinet 1 is cooled.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, any person skilled in the art, do not departing from the range of technical solutions of the utility model, when using above-mentioned
The technology contents of announcement make a little change or are modified to the equivalent embodiment of equivalent variations, as long as being without departing from the utility model
Technical scheme content, any simple modification made according to the technical essence of the utility model to above example, equivalent variations
With modification, in the range of still falling within technical solutions of the utility model.
Claims (4)
1. a kind of ring main unit with radiating and antifogging function, including cabinet (1), top cover (2), heat abstractor, anti-condensation dress
Put, temperature sensor (3) and controller (4), it is characterised in that：The cabinet (1) is by intersection and vertical transverse slat (5) and riser
(6) four interior rooms are divided into, each interior room is provided with chamber door (7), observation window (8) and handle are provided with chamber door (7)
(9) air vent (10), is offered on the top plate of cabinet (1), offers incoming line and line outlet on cabinet (1), incoming line and is gone out
Line is intraoral to be provided with internal thread, and cover plate (11) is separately installed with incoming line and line outlet, is provided with cover plate (11) more
Individual entrance hole (12), and the outer wall of cover plate (11) is provided with the external screw thread being engaged with incoming line and line outlet internal thread, it is described
Top cover (2) is pyramidal structure, and is arranged on by support frame (13) above the top plate of cabinet (1), to form plenum area, top cover
(2) outer surface is pasted with solar panel, and the heat abstractor includes blower fan one (14), fin (15) and heat dissipation cavity,
The blower fan one (14) is suspended on the top of cabinet (1), and the fin (15) is arranged on two symmetrical outsides of cabinet (1)
On wall, the heat dissipation cavity includes heat dissipation chamber (16), blower fan two (17) and ventilation shaft (18), and the heat dissipation chamber (16) opens for top
The body structure of mouth, it is arranged on below the bottom plate of cabinet (1), the blower fan two (17) is arranged in heat dissipation chamber (16), described logical
Wind pipeline (18) is separately positioned on the corner of heat dissipation chamber's (16) bottom plate and side wall, and with being connected in heat dissipation chamber (16), and it is logical
The port of export of wind pipeline (18) is bent downwards, and the condensation-preventing device includes moisture absorption box (19) and resistive heater, the suction
Damp box (19) is suspended in the side wall in cabinet (1), and moisture absorption box (19) is body structure, is offered on the top plate of moisture absorption box (19)
Air inlet (20), air inlet (20) place are provided with breather cheek valve, and the bottom of moisture absorption box (19) offers exhaust outlet (21), exhaust
Mouth (21) place is provided with one-way exhaust valve, and moisture absorption box (19) is internally provided with screen pack (22), and screen pack is placed with suction on (22)
Damp agent, the resistive heater are arranged in moisture absorption box (19) and are wrapped on the transverse slat (5) and riser (6), the temperature
Degree sensor (3) is arranged on cabinet (1) inside, and the controller (4) is arranged on cabinet (1) outer wall, temperature sensor (3)
The signal receiving end connection of signal output part and controller (4), blower fan one (14), blower fan two (17) and resistive heater
The signal receiving end signal output part connection with controller (4) respectively, solar panel respectively with blower fan one (14), wind
Machine two (17), controller (4), temperature sensor (3) and resistive heater connection.
A kind of 2. ring main unit with radiating and antifogging function as claimed in claim 1, it is characterised in that：The blower fan one
(14) and on blower fan two (17) it is provided with airstrainer.
A kind of 3. ring main unit with radiating and antifogging function as claimed in claim 1, it is characterised in that：The cabinet (1)
Top plate on the outside of be provided with airstrainer.
A kind of 4. ring main unit with radiating and antifogging function as claimed in claim 1, it is characterised in that：The moisture absorption box
(19) hygroscopic agent placed in is lime stone or silica gel or calcium chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720958700.0U CN207069334U (en) | 2017-07-26 | 2017-07-26 | A kind of ring main unit with radiating and antifogging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720958700.0U CN207069334U (en) | 2017-07-26 | 2017-07-26 | A kind of ring main unit with radiating and antifogging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207069334U true CN207069334U (en) | 2018-03-02 |
Family
ID=61519253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720958700.0U Expired - Fee Related CN207069334U (en) | 2017-07-26 | 2017-07-26 | A kind of ring main unit with radiating and antifogging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207069334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240871A (en) * | 2017-07-26 | 2017-10-10 | 周海 | It is a kind of that there is radiating and the ring main unit of antifogging function |
| CN111181016A (en) * | 2019-11-15 | 2020-05-19 | 纪发展 | Outdoor waterproof power cabinet |
-
2017
- 2017-07-26 CN CN201720958700.0U patent/CN207069334U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240871A (en) * | 2017-07-26 | 2017-10-10 | 周海 | It is a kind of that there is radiating and the ring main unit of antifogging function |
| CN111181016A (en) * | 2019-11-15 | 2020-05-19 | 纪发展 | Outdoor waterproof power cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20180726 |