CN207117008U - A kind of high-current switch cabinet of perfect heat-dissipating - Google Patents

A kind of high-current switch cabinet of perfect heat-dissipating Download PDF

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Publication number
CN207117008U
CN207117008U CN201721038754.1U CN201721038754U CN207117008U CN 207117008 U CN207117008 U CN 207117008U CN 201721038754 U CN201721038754 U CN 201721038754U CN 207117008 U CN207117008 U CN 207117008U
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CN
China
Prior art keywords
air
cable vault
bus
blast device
switch cabinet
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Expired - Fee Related
Application number
CN201721038754.1U
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Chinese (zh)
Inventor
杨永通
刘江
李燕
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Xiamen University of Technology
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Xiamen University of Technology
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Priority to CN201721038754.1U priority Critical patent/CN207117008U/en
Application granted granted Critical
Publication of CN207117008U publication Critical patent/CN207117008U/en
Expired - Fee Related legal-status Critical Current
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Abstract

A kind of high-current switch cabinet of perfect heat-dissipating, including cabinet, conducting element, air-blast device and crossflow fan;Left and right is sequentially provided with breaker chamber and cable vault in the cabinet, and the cable vault is provided with bus-bar room close to the top of the breaker chamber side.Crossflow fan sets the bottom of breaker chamber, and the dividing plate between the breaker chamber and the bus-bar room is double-deck ventilating hole plate, pressure relief plate is provided with the top of the bus-bar room, so as to form breaker chamber to the vent passages of bus-bar room.Air-blast device is arranged on the right lower quadrant of cable vault, and circular hole slab is provided with the top of cable vault, and the wind of the blowout of the air-blast device is shunted the static contact to cable vault, busbar by conducting element, so as to change the direction in flow field, realizes orientation air blast.Designed by switch cabinet structure of the present utility model, change the air-flow field distribution of whole switch cubicle, accelerated gas flowing, effectively reduce switch cubicle temperature rise, especially for the static contact and busbar of the high heating in cable vault.

Description

A kind of high-current switch cabinet of perfect heat-dissipating
Technical field
It the utility model is related to switch cabinet structure, the high-current switch cabinet of especially a kind of perfect heat-dissipating.
Background technology
Switch cubicle is widely arranged on the power transmission and distribution of power plant, electric substation, petrochemical industry, industrial and mining enterprises, Residential Area etc. In system, there is conversion, distribution and control electric energy.Developing rapidly and powering reliably with power system transmission and distribution network The increasingly raising of property, to the technical requirements of high-tension switch cabinet also more and more higher.The problem of temperature rise of wherein switch cubicle is to directly affect One of the main reason for switch cubicle safe and stable operation, while also result in switch cabinet body or internal unit premature aging, shadow Ring the service life of switch cubicle.
The typical structure of switch cubicle generally comprises:Cable vault, bus-bar room, breaker chamber.Existing high-current switch knot In structure, each functional unit uses metal armouring enclosed construction substantially, and inner space is smaller.In bus-bar room and cable vault, Tie point contact resistance between busbar and baffle and contact of breaker, breaker operation, the magnetic hysteresis of iron core, vortex and it is caused Heating caused by resistance loss, dielectric loss, ferromagnetic loss etc., causes the temperature rise value of switch cubicle too high, temperature rise is too high to be caused The metallic conductivity of static contact declines, resistance increase, the aggravation of copper bar surface oxidation;The insulating part life-span in switch cubicle contracts significantly Short, dielectric strength declines, and easily causes the danger such as electric shock, mistrip, fire.
Utility model content
The purpose of this utility model is in the static contact in cable vault in the prior art is overcome, the easy temperature of copper bar opening position Rise too high, so as to cause the metallic conductivity of contact to decline, copper bar surface oxidation aggravate the shortcomings that, there is provided a kind of heat dispersion Good high-current switch cabinet.
In order to solve the above technical problems, the utility model employs following technical measures:
A kind of high-current switch cabinet of perfect heat-dissipating, including cabinet, conducting element, air-blast device and crossing current wind Machine.
Left and right is sequentially provided with breaker chamber and cable vault in the cabinet, and the cable vault is close to the breaker chamber one Side is provided with bus-bar room, and the bus-bar room is located at the top of the cable vault;The breaker chamber respectively with the cable vault The second static contact connection of one static contact, the bus-bar room.
Circular hole slab is provided with the top of the cable vault, the air-blast device is located at the right lower quadrant of the cable vault, the water conservancy diversion Part is located at the air outlet of the air-blast device, and is separated out the first air port and the second air port, and the air-blast device passes through described First air port is by wind to first static contact, and the air-blast device is by second air port by wind to the cable vault The first busbar;The conducting element includes the first wind direction dividing plate and the second wind direction dividing plate, the first wind direction dividing plate and institute State the second V-shaped setting of wind direction dividing plate, the V-arrangement opening of the conducting element is towards first static contact.
The breaker chamber bottom is provided with the first air intake passage, and the crossflow fan is arranged at first air intake passage Air inlet position, the dividing plate between the breaker chamber and the bus-bar room are double-deck ventilating hole plate, are provided with the top of the bus-bar room Pressure relief plate.
The utility model can also be further perfect by following technical measures:
As a further improvement, the via regions of the double-deck ventilating hole plate correspond to the second busbar and the second stationary contact of bus-bar room Head position is set.
As a further improvement, the air-blast device bottom is provided with fan installation plate, the fan installation plate is tilted and is located at The cable vault bottom, and be 35 degree~55 degree with the angle of horizontal plane.
As a further improvement, the first wind direction dividing plate is arranged at the air outlet close to the one of the breaker chamber Side, the second wind direction dividing plate are arranged at the middle part of the air outlet.
As a further improvement, the angle of the first wind direction dividing plate and horizontal plane is 35 degree~40 degree, second wind Angle to dividing plate and horizontal plane is 45 degree~50 degree.
As a further improvement, the bottom of cabinet bulk is provided with air blast air inlet, and the air blast air inlet is located at the drum On the exhausting of wind apparatus-blowing direction line.
As a further improvement, the air blast air inlet is provided with corrugated plating, the crest of the corrugated plating and sealing at trough, And the corrugated plating it is domatic on offer multiple through holes.
As a further improvement, the corrugated plating is domatic plate-like, and the folder of the domatic and horizontal plane of the corrugated plating Angle is 55 degree~70 degree.
As a further improvement, it is N to define the distance between adjacent two crest of the corrugated plating, the ripple of the corrugated plating Vertical height difference between peak and trough is L, wherein, 1.5N<L<2.5N.
As a further improvement, the air-blast device includes three axial flow blowers.
Compared with prior art, the utility model has advantages below:
The utility model by the way that crossflow fan to set to the bottom of breaker chamber, the breaker chamber and the bus-bar room it Between dividing plate be double-deck ventilating hole plate, pressure relief plate is provided with the top of the bus-bar room, so as to form ventilation of the breaker chamber to bus-bar room Passage.In cable vault, right lower quadrant sets air-blast device, sets circular hole slab at the top of cable vault, forms cable vault's vent passages;So that The current loop that heat is produced in switch cubicle obtains effective air circulation, wind cooling temperature lowering.Pass through switch of the present utility model Cabinet designs, and accelerates gas flowing, effectively reduces switch cubicle temperature rise so that static contact, copper bar in bus-bar room and cable vault Position obtains effectively air-cooled, adverse effect caused by avoiding temperature too high.
The utility model sets conducting element by the air outlet in air-blast device, using conducting element by the air-blast device The wind of blowout shunts the static contact to cable vault, busbar, so as to change the direction in flow field, realizes orientation air blast.Change is entirely opened The air-flow field distribution of cabinet is closed, especially for the cable vault's static contact and busbar of easy heat damage.
Further, the corrugated plating of special construction, the crest of its corrugated plating and sealing at trough are set in air blast air inlet, And the corrugated plating it is domatic on offer multiple through holes so as to play dustproof effect, to the domatic progress of corrugated plating and horizontal plane Angle angle particular design, so as to mutually be echoed with the exhausting direction of air-blast device, be advantageous to high speed air intake.
Brief description of the drawings
Fig. 1 is that a kind of overall structure plane of the high-current switch cabinet of perfect heat-dissipating of the utility model embodiment is shown It is intended to.
Fig. 2 is Fig. 1 conducting element and the connection relationship diagram of adjusting part.
Fig. 3 is Fig. 1 corrugated board structures schematic diagram;
Fig. 4 is Fig. 1 circular hole plate structure schematic diagram;
Fig. 5 is Fig. 1 pressure release plate structure schematic diagram.
Main element symbol description
Cabinet 100,
Conducting element 10, the first air port 11, the second air port 12, the first wind direction dividing plate 13, the second wind direction dividing plate 14;Air-blast device 30th, fan installation plate 31, crossflow fan 40;
Breaker chamber 110, the first air intake passage 111;
Cable vault 120, the first static contact 121, circular hole slab 122, the first busbar 123, corrugated plating 124, crest 1241, trough 1242nd, domatic 1243;
Bus-bar room 130;Second static contact 131, double-deck ventilating hole plate 132, the second busbar 133, pressure relief plate 134.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality Accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shown So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality Embodiment in new, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of the utility model protection.Therefore, the implementation of the present utility model to providing in the accompanying drawings below The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of of the present utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor The every other embodiment obtained under the premise of dynamic, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " Based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying description, without referring to Show or imply that the equipment of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage Solve as to limitation of the present utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be Mechanically connect or electrically connect;Can be joined directly together, can also be indirectly connected by intermediary, can be two The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
It refer to Fig. 1, a kind of high-current switch cabinet of perfect heat-dissipating, including cabinet 100, conducting element 10, air blast Device 30 and crossflow fan 40.
Left and right is sequentially provided with breaker chamber 110 and cable vault 120 in the cabinet 100, and the cable vault 120 is close to institute State the side of breaker chamber 110 and be provided with bus-bar room 130, the bus-bar room 130 is located at the top of the cable vault 120.The cable There is the first static contact 121 and the first busbar 123 in room 120, the bus-bar room 130 has the second static contact 131 and second Busbar 133.The breaker chamber 110 the first static contact 121 with the cable vault 120, the second of the bus-bar room 130 respectively Static contact 131 connects.
The top of cable vault 120 is provided with circular hole slab 122, and the air-blast device 30 is located at the bottom right of the cable vault 120 Portion, the conducting element 10 are located at the air outlet of the air-blast device 30, and are separated out the first air port 11 and the second air port 12, institute State air-blast device 30 and wind is passed through by institute to first static contact 121, the air-blast device 30 by first air port 11 The second air port 12 is stated by wind to the first busbar 123.According to being actually needed for switch cubicle, the first static contact 121 and the second stationary contact First 131 are set close to breaker chamber 110, and the first busbar 123 can combine real needs and set, in the present embodiment, busbar Orientation and the 12 corresponding setting of the second air port.
As shown in Fig. 2 the conducting element 10 includes the first wind direction dividing plate 13 and the second wind direction dividing plate 14, first wind To dividing plate 13 and the 14 V-shaped setting of the second wind direction dividing plate, the V-arrangement opening of the conducting element 10 is towards first stationary contact First 121.
Conducting element 10 is set by the air outlet in air-blast device 30, utilizes the blowing the air-blast device 30 of conducting element 10 The wind gone out shunts the static contact to cable vault 120, busbar, so as to change the direction in flow field, realizes orientation air blast.Change is entirely opened The air-flow field distribution of cabinet is closed, especially for the static contact of cable vault 120 and busbar of easy heat damage.
The bottom of breaker chamber 110 is provided with the first air intake passage 111, and the crossflow fan 40 is arranged at described first and entered The air inlet position of wind passage 111, the dividing plate between the breaker chamber 110 and the bus-bar room 130 are double-deck ventilating hole plate 132, the top of bus-bar room 130 is provided with pressure relief plate 134.
As shown in figure 4, the structure of circular hole slab 122 is adaptable to the situation for having bronze medal to eject at the top of cable vault.As shown in figure 5, Pressure relief plate 134 can be very good to ventilate.
In the present embodiment, by the way that crossflow fan 40 to set to the bottom of breaker chamber 110, the breaker chamber 110 with Dividing plate between the bus-bar room 130 is double-deck ventilating hole plate 132, and the top of bus-bar room 130 is provided with pressure relief plate 134, so as to shape Vent passages into breaker chamber 110 to bus-bar room 130.In cable vault 120, right lower quadrant sets air-blast device 30, cable vault 120 Top sets circular hole slab 122, forms the vent passages of cable vault 120;So that the current loop that heat is produced in switch cubicle obtains Effective air circulation, wind cooling temperature lowering.Designed by switch cabinet structure of the present utility model, accelerate gas flowing, effectively reduce Switch cubicle temperature rise so that bus-bar room 130 and static contact in cable vault 120, copper bar position obtain effectively air-cooled, avoid temperature mistake Adverse effect caused by height.
Conducting element 10 is set by the air outlet in air-blast device 30, utilizes the blowing the air-blast device 30 of conducting element 10 The wind gone out shunts the static contact to cable vault 120, busbar, so as to change the direction in flow field, realizes orientation air blast.Change is entirely opened The air-flow field distribution of cabinet is closed, especially for the static contact of cable vault 120 and busbar of easy heat damage.
Fig. 1 is refer to, further, the via regions of the double-deck ventilating hole plate 132 correspond to the second busbar of bus-bar room 130 133 and the position of the second static contact 131 set.Because breaker chamber 110 is without other air outlets, the air that crossflow fan 40 is blown into Can only be flowed out out of double-deck ventilating hole plate 132 through hole so that the static contact of bus-bar room 130 and busbar obtain it is preferably air-cooled Radiating.
The air current flow that the blowing direction of air-blast device 30 will be had influence in cable vault 120, is arranged in air-blast device 30 In the case of the lower right corner of cable vault 120, the blowing direction of air-blast device 30 is advisable using the angle with horizontal plane as 35 degree~55 degree, Wherein specific angle can combine the particular location of static contact and busbar in cable vault 120 and be configured.
As shown in Fig. 2 in the present embodiment, the first wind direction dividing plate 13 is arranged at the air outlet close to the open circuit The side of device room 110, the second wind direction dividing plate 14 are arranged at the middle part of the air outlet.So that distinguished and admirable between two dividing plates is blown Ring the first static contact 121, busbar of the second wind direction dividing plate 14 by the wind water conservancy diversion kept right in the middle part of the air outlet to cable vault 120 Direction.
Fig. 1 is refer to, further, the angle preferred scope of the first wind direction dividing plate 13 and horizontal plane is 35 degree~40 The angle preferred scope of degree, the second wind direction dividing plate 14 and horizontal plane is 45 degree~50 degree.Being provided with for this angle is beneficial to Conducting element 10 more accurately shunts the wind that air-blast device 30 is blown out to the first static contact 121 and busbar.
In this embodiment, the bottom of air-blast device 30 is provided with fan installation plate 31, and the fan installation plate 31 is tilted and set It it is 40 degree in the bottom of cable vault 120, and with the angle of horizontal plane.The air-blast device 30 leads in the lower right corner of cable vault 120 Cross fan installation plate 31 and the blowing direction of the air-blast device 30 is adjusted to the angle of horizontal plane to be 40 degree so that its court blows Toward the direction of the first static contact 121.Further through conducting element 10, by part wind water conservancy diversion toward busbar direction.
Further, the bottom of cabinet 100 is provided with air blast air inlet, and the air blast air inlet is located at air blast dress Put on 30 exhausting-blowing direction line.So that it is corresponding with the exhausting direction of air-blast device 30, be advantageous to high speed air intake.
After a period of operation, filter assemblies will suck substantial amounts of dust to the radiator fan of switch cubicle, cause at present Cooling-down effect is deteriorated, and increases the resistance of contact resistance, results even in pollution flashover accident.This just needs operation maintenance personnel to clear up in time, It will first be powered off in order to ensure safety, during cleaning, and can thus influence the continuity of equipment electric power system., can in switch cubicle It is dust-proof to take different structures to carry out, such as screen pack etc..
Fig. 1 and Fig. 3 are refer to, in the present embodiment, the air blast air inlet is provided with corrugated plating 124, the corrugated plating 124 Crest 1241 and trough 1242 at seal, and multiple through holes are offered on domatic the 1243 of the corrugated plating 124.Due to air intake Through hole be arranged on domatic the 1243 of the corrugated plating 124, the crest 1241 of the corrugated plating 124 with it is close at trough 1242 Envelope, can effectively prevent the dust from ground from being sucked by air-blast device 30.
Further, domatic the 1243 of the corrugated plating 124 is plate-like, and domatic the 1243 of the corrugated plating 124 and level The angle in face is 55 degree~70 degree.So that the exhausting direction of through hole and air-blast device 30 is mutually echoed, be advantageous to enter at a high speed Wind.
It is N to define the distance between adjacent two crest 1241 of the corrugated plating 124, the crest of the corrugated plating 124 Vertical height difference between 1241 and trough 1242 is L, wherein, 1.5N<L<2.5N.Make the crest 1241 and ripple of corrugated plating 124 Vertical height difference between paddy 1242 is more than the distance between two crests 1241 certain value and is advantageous to raise axial direction, more enters one Step plays dustproof effect, and increase can be by the through hole gross area for smoothly extracting distinguished and admirable direction of air-blast device 30.
In other embodiments, the air-blast device 30 includes three axial flow blowers.The wind-force demand of cable vault 120 compared with Greatly, while using three axial flow blowers more preferable vented exhaust is advantageous to.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc., the utility model should be included in Within the scope of protection.

Claims (10)

  1. A kind of 1. high-current switch cabinet of perfect heat-dissipating, it is characterised in that including cabinet, conducting element, air-blast device with And crossflow fan;
    Left and right is sequentially provided with breaker chamber and cable vault in the cabinet, and the cable vault is set close to the breaker chamber side There is bus-bar room, the bus-bar room is located at the top of the cable vault;The breaker chamber is quiet with the first of the cable vault respectively The second static contact connection of contact, the bus-bar room;
    Circular hole slab is provided with the top of the cable vault, the air-blast device is located at the right lower quadrant of the cable vault, and the conducting element is set At the air outlet of the air-blast device, and the first air port and the second air port are separated out, the air-blast device passes through described first Air port by wind to first static contact, the air-blast device by second air port by wind to the cable vault One busbar;The conducting element includes the first wind direction dividing plate and the second wind direction dividing plate, the first wind direction dividing plate and described The two V-shaped settings of wind direction dividing plate, the V-arrangement opening of the conducting element is towards first static contact;
    The breaker chamber bottom is provided with the first air intake passage, and the crossflow fan is arranged at the air intake of first air intake passage Mouth position, the dividing plate between the breaker chamber and the bus-bar room is double-deck ventilating hole plate, and pressure release is provided with the top of the bus-bar room Plate.
  2. 2. switch cabinet structure according to claim 1, it is characterised in that the via regions of the double-deck ventilating hole plate are corresponding female Second busbar of line room and the second static contact position are set.
  3. 3. switch cabinet structure according to claim 1, it is characterised in that the air-blast device bottom is provided with assembling Plate, the fan installation plate, which tilts, is located at the cable vault bottom, and is 35 degree~55 degree with the angle of horizontal plane.
  4. 4. switch cabinet structure according to claim 1, it is characterised in that the first wind direction dividing plate is arranged at the air-out Mouth is arranged at the middle part of the air outlet close to the side of the breaker chamber, the second wind direction dividing plate.
  5. 5. switch cabinet structure according to claim 4, it is characterised in that the angle of the first wind direction dividing plate and horizontal plane For 35 degree~40 degree, the angle of the second wind direction dividing plate and horizontal plane is 45 degree~50 degree.
  6. 6. switch cabinet structure according to claim 3, it is characterised in that the bottom of cabinet bulk is provided with air blast air inlet, and The air blast air inlet is located on exhausting-blowing direction line of the air-blast device.
  7. 7. switch cabinet structure according to claim 6, it is characterised in that the air blast air inlet is provided with corrugated plating, described The crest of corrugated plating with being sealed at trough, and the corrugated plating it is domatic on offer multiple through holes.
  8. 8. switch cabinet structure according to claim 7, it is characterised in that the corrugated plating it is domatic plate-like and described The angle of the domatic and horizontal plane of corrugated plating is 55 degree~70 degree.
  9. 9. switch cabinet structure according to claim 8, it is characterised in that between adjacent two crest for defining the corrugated plating Distance be N, the vertical height difference between the crest and trough of the corrugated plating is L, wherein, 1.5N<L<2.5N.
  10. 10. switch cabinet structure according to claim 1, it is characterised in that the air-blast device includes three axial flow blowers.
CN201721038754.1U 2017-08-18 2017-08-18 A kind of high-current switch cabinet of perfect heat-dissipating Expired - Fee Related CN207117008U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721038754.1U CN207117008U (en) 2017-08-18 2017-08-18 A kind of high-current switch cabinet of perfect heat-dissipating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721038754.1U CN207117008U (en) 2017-08-18 2017-08-18 A kind of high-current switch cabinet of perfect heat-dissipating

Publications (1)

Publication Number Publication Date
CN207117008U true CN207117008U (en) 2018-03-16

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108923445A (en) * 2018-09-13 2018-11-30 江苏亿能电气有限公司 A kind of three-phase imbalance regulating device of high efficiency and heat radiation
CN112186534A (en) * 2020-09-30 2021-01-05 河南正宇电气有限公司 High-low voltage switch cabinet and auxiliary device
CN113972570A (en) * 2021-11-15 2022-01-25 平高集团有限公司 Switch cabinet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108923445A (en) * 2018-09-13 2018-11-30 江苏亿能电气有限公司 A kind of three-phase imbalance regulating device of high efficiency and heat radiation
CN112186534A (en) * 2020-09-30 2021-01-05 河南正宇电气有限公司 High-low voltage switch cabinet and auxiliary device
CN113972570A (en) * 2021-11-15 2022-01-25 平高集团有限公司 Switch cabinet

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20180316

Termination date: 20180818