CN207459495U - A kind of high-current switch cabinet of high cooling efficiency - Google Patents

A kind of high-current switch cabinet of high cooling efficiency Download PDF

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Publication number
CN207459495U
CN207459495U CN201721042332.1U CN201721042332U CN207459495U CN 207459495 U CN207459495 U CN 207459495U CN 201721042332 U CN201721042332 U CN 201721042332U CN 207459495 U CN207459495 U CN 207459495U
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CN
China
Prior art keywords
wind direction
partition plate
cable vault
bus
breaker chamber
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Expired - Fee Related
Application number
CN201721042332.1U
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Chinese (zh)
Inventor
杨永通
彭彦卿
许国澎
王兴伟
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Xiamen University of Technology
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Xiamen University of Technology
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Priority to CN201721042332.1U priority Critical patent/CN207459495U/en
Application granted granted Critical
Publication of CN207459495U publication Critical patent/CN207459495U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The high-current switch cabinet of a kind of high cooling efficiency, including cabinet, conducting element, exhaust fan, blower device and crossflow fan.Left and right is equipped with breaker chamber and cable vault successively in the cabinet, and the cable vault is equipped with bus-bar room close to the top of the breaker chamber one side.Crossflow fan sets the bottom of breaker chamber, and blower device is arranged on the right lower quadrant of cable vault.Partition plate between the breaker chamber and the bus-bar room is double-deck ventilating hole plate, and the bus-bar room bottom is using double-deck ventilating hole plate, so that air-flow can pour into the bus-bar room from breaker chamber bottom and cable vault bottom.Exhaust fan is equipped at the top of bus-bar room, circular hole slab is equipped at the top of cable vault, so as to which wind is carried out in control bus room bottom, effectively reduces the Wen Sheng of current loop in switchgear.And the wind of the blowout of the blower 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.

Description

A kind of high-current switch cabinet of high cooling efficiency
Technical field
The utility model is related to a kind of switch cabinet structure more particularly to a kind of high-current switch knots of high cooling efficiency Structure.
Background technology
Existing switchgear is widely mounted on the transmission & distribution of power plant, electric substation, petrochemical industry, industrial and mining enterprises, Residential Area etc. In electric system, there is conversion, distribution and control electric energy.It can with the rapid development and power supply of electric system transmission and distribution network It is also higher and higher to the technology requirement of high-tension switch cabinet by the increasingly raising of property.The problem of temperature rise of wherein switchgear is direct shadow One of the main reason for ringing switchgear safe and stable operation, while switch cabinet body or internal unit premature aging are also resulted in, Influence the service life of switchgear.
The typical structure of switchgear 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 generate Fever caused by resistance loss, dielectric loss, ferromagnetic loss etc., the temperature rise value for causing switchgear is excessively high, and temperature liter is excessively high to be caused The metallic conductivity of static contact declines, and resistance increases, the aggravation of copper bar surface oxidation;The insulating part service life in switchgear contracts significantly Short, dielectric strength declines, and is easy to cause the danger such as electric shock, mistrip, fire.
Utility model content
The purpose of the utility model is to overcome prior art switchgear cooling-down effect is bad, static contact in cable vault, The shortcomings that easy temperature rises too high at copper bar position provides a kind of high-current switch cabinet of high cooling efficiency.
In order to solve the above technical problems, the utility model employs following technical measures:
A kind of high-current switch cabinet of high cooling efficiency, including cabinet, conducting element, exhaust fan, blower device and Crossflow fan.
Left and right is equipped with breaker chamber and cable vault successively in the cabinet, and the cable vault is close to the breaker chamber one Side is equipped 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 equipped at the top of the cable vault, the blower 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 blower device, and is separated out the first air port and the second air port, and the blower device passes through described First air port is by wind to first static contact, and the blower device is by second air port by wind to the cable vault Busbar;The conducting element includes the first wind direction partition plate and the second wind direction partition plate, the first wind direction partition plate and described the The two V-shaped settings of wind direction partition plate, the v-shaped opening of the conducting element is towards first static contact.
The breaker chamber bottom is equipped with the first air intake passage, and the crossflow fan is arranged at first air intake passage Air inlet position, the partition plate between the breaker chamber and the bus-bar room are double-deck ventilating hole plate;The exhaust fan is arranged at institute It states at the top of bus-bar room, the bus-bar room bottom is using double-deck ventilating hole plate.
The utility model can also be further perfect by following technical measures:
As a further improvement, the blower device bottom is equipped with fan installation plate, the fan installation plate inclination 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 partition plate is arranged at the air outlet close to the one of the breaker chamber Side, the second wind direction partition plate are arranged at the middle part of the air outlet.
As a further improvement, the angle of the first wind direction partition plate and horizontal plane is 35 degree~40 degree, second wind Angle to partition plate and horizontal plane is 45 degree~50 degree.
As a further improvement, further including wind direction adjusting part, the wind direction adjusting part is used to adjust the conducting element Subtended angle, the wind direction adjusting part is arranged between the conducting element and the air outlet.
As a further improvement, the wind direction adjusting part includes adjusting bolt and hinged block, the hinged block is used for It is hinged with the first wind direction partition plate and the second wind direction partition plate;The hinged block is arranged on the blower device, institute The arc-shaped through hole that end of thread diameter of the hinged block equipped with width and adjusting bolt is adapted is stated, the arc-shaped through hole is with institute The hinge joint of hinged block is stated to set for the center of circle;The first wind direction partition plate and the second wind direction partition plate are equipped with and the tune Save the corresponding threaded hole of bolt;The end of thread of the adjusting bolt through the arc-shaped through hole respectively with first wind direction every Plate and the second wind direction partition plate are threadedly coupled.
As a further improvement, the bottom of cabinet bulk is equipped 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 equipped with corrugated plating, sealed at the peaks and troughs of the corrugated plating, And multiple through holes are offered in the slope surface of the corrugated plating.
Compared with prior art, the utility model has the following advantages:
The utility model is passed to the double-deck ventilating hole plate of bus-bar room from open circuit by will set exhaust fan at the top of bus-bar room Device room and cable vault extract air, and formation forces heat dissipation channel.Breaker chamber bottom is equipped with crossflow fan, and air stream outlet only has The double-deck ventilating hole plate adjacent with bus-bar room.Therefore, such structure can be come by adjusting the power ratio of exhaust fan and crossflow fan Control cable vault enters the air force of bus-bar room bottom, further expands the air-flow flow region of bus-bar room, adjusts flowing Air force and region effectively reduce the Wen Sheng of bus-bar room static contact and busbar.And right lower quadrant sets air blast to fill in cable vault It puts, circular hole slab is set at the top of cable vault, form cable vault's vent passages;So that the current loop that heat is generated in switchgear obtains To effective air circulation, wind cooling temperature lowering.
The utility model sets conducting element by the air outlet in blower device, using conducting element by the blower 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, wind direction adjusting part is additionally provided in cable vault, is adjusted using wind direction adjusting part according to actual demand The subtended angle of the conducting element makes the wind that blower device is blown out more accurately shunt the busbar to the first static contact and cable vault. Also increase the applicable performance of conducting element.
Description of the drawings
Fig. 1 is that a kind of overall structure plane of the high-current switch cabinet of high cooling efficiency of the utility model embodiment is shown It is intended to;
The connection relationship diagram of conducting element, blower device and adjusting part that Fig. 2 is Fig. 1;
Fig. 3 is the adjusting part structure diagram that the utility model embodiment provides;
Fig. 4 is the corrugated board structures schematic diagram of Fig. 1;
Fig. 5 is the circular hole plate structure schematic diagram of Fig. 1.
Main element symbol description
Cabinet 100,
Conducting element 10, the first air port 11, the second air port 12, the first wind direction partition plate 13, the second wind direction partition plate 14;
Exhaust fan 20, blower device 30, fan installation plate 31, crossflow fan 40;
Wind direction adjusting part 50, adjusting bolt 51, hinged block 52, arc-shaped through hole 521;
Breaker chamber 110, the first air intake passage 111;
Cable vault 120, the first static contact 121, circular hole slab 122, busbar 123, corrugated plating 124;Bus-bar room 130;
Second static contact 131, double-deck ventilating hole plate 132.
Specific embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality The technical solution in the utility model embodiment is clearly and completely described in attached drawing in new embodiment, shows So, described embodiment is the embodiment of a part of embodiment of the utility model rather than whole.Based on this practicality Embodiment in new, those of ordinary skill in the art are obtained every other without creative efforts Embodiment shall fall within the protection scope of the present invention.Therefore, the implementation to the utility model provided 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 the 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, shall fall within the protection scope of the present invention.
In the description of the utility model, it is to be understood that the orientation or position relationship of the instructions such as term " on ", " under " To be based on orientation shown in the drawings or position relationship, being 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 cannot manage It solves as the limitation to the utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral;Can be Mechanical connection or electrical connection;It can be directly connected, can also be indirectly connected by intermediary, can be two The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
It please refers to Fig.1, a kind of high-current switch cabinet of high cooling efficiency, including cabinet 100, conducting element 10, exhausting Machine 20, blower device 30 and crossflow fan 40.
Left and right is equipped with breaker chamber 110 and cable vault 120 successively in the cabinet 100, and the cable vault 120 is close to institute 110 one side of breaker chamber is stated equipped with bus-bar room 130, the bus-bar room 130 is located at the top of the cable vault 120;The open circuit Second static contact 131 of the device room 110 respectively with the first static contact 121 of the cable vault 120, the bus-bar room 130 is connected.
120 top of cable vault is equipped with circular hole slab 122, and the blower 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 blower device 30, and are separated out the first air port 11 and the second air port 12, institute State blower device 30 by first air port 11 by wind to first static contact 121, the blower device 30 passes through institute State busbar 123 of second air port 12 by wind to the cable vault 120.According to the actual needs of switchgear, the first static contact 121 It is set with the second static contact 131 close to breaker chamber 110, the busbar 123 of the cable vault 120 can be set with reference to specific requirements Put, in the present embodiment, the orientation of busbar 123 and the 12 corresponding setting of the second air port.
As shown in figure 5,122 structure of circular hole slab is adaptable to the situation for having bronze medal to eject at the top of cable vault.
It please refers to Fig.1 and Fig. 2, the conducting element 10 includes the first wind direction partition plate 13 and the second wind direction partition plate 14, described First wind direction partition plate 13 and the 14 V-shaped setting of the second wind direction partition plate, the v-shaped opening of the conducting element 10 is towards described One static contact 121.
The wind of the blowout of the blower device 30 is shunted into the static contact to cable vault 120, busbar using conducting element 10 123, so as to change the direction in flow field, realize orientation air blast.Change the air-flow field distribution of entire switchgear, especially for easily heated 120 static contact of cable vault of damage and busbar 123.
110 bottom of breaker chamber be equipped with the first air intake passage 111, the crossflow fan 40 be arranged at described first into The air inlet position of wind passage 111, the partition plate between the breaker chamber 110 and the bus-bar room 130 are double-deck ventilating hole plate 132;The exhaust fan 20 is arranged at 130 top of bus-bar room, and 130 bottom of bus-bar room is using double-deck ventilating hole plate 132.
By the way that 130 top of bus-bar room is set exhaust fan 20, double-deck ventilating hole plate 132 is passed to from 110 He of breaker chamber Cable vault 120 extracts air, and formation forces heat dissipation channel.110 bottom of breaker chamber is equipped with crossflow fan 40, and air stream outlet is only There is the double-deck ventilating hole plate 132 adjacent with bus-bar room 130.Therefore, such structure can be by adjusting exhaust fan 20 and crossflow fan 40 power ratio, to control cable vault 120 into the gas of the air force of 130 bottom of bus-bar room, further expansion bus-bar room 130 Flow region is flowed, adjusts air force and the region of flowing, effectively reduces the Wen Sheng of 130 static contact of bus-bar room and busbar.And In cable vault, 120 right lower quadrant sets blower device 30, and 120 top of cable vault sets circular hole slab 122, forms cable vault 120 and divulge information Passage;So that the current loop that heat is generated in switchgear obtains effective air circulation, wind cooling temperature lowering.
The position of the first wind direction partition plate 13 can be set according to actual conditions.
In the present embodiment, the first wind direction partition plate 13 is arranged at the air outlet close to the breaker chamber 110 One side, the second wind direction partition plate 14 are arranged at the middle part of the air outlet.So that blow first quiet for distinguished and admirable between two partition plates Contact 121, the second wind direction partition plate 14 is by the wind water conservancy diversion kept right in the middle part of the air outlet to 123 direction of busbar of cable vault 120.
Further, the angle preferred scope of the first wind direction partition plate 13 and horizontal plane is 35 degree~40 degree, described the The angle preferred scope of two wind direction partition plates 14 and horizontal plane is 45 degree~50 degree.This angle is provided with beneficial to conducting element 10 more Add and accurately shunt the wind that blower device 30 is blown out to the first static contact 121 and busbar 123.
Due in the actual production process, 120 static contact of cable vault and 123 position of busbar may some deviations, therefore need The subtended angle of deflector is adjusted, so as to obtain more accurately shunting direction.
As shown in Fig. 2, in the present embodiment, wind direction adjusting part 50, the wind direction adjusting group are further included in cable vault 120 Part 50 is used to adjust the subtended angle of the conducting element 10, and the wind direction adjusting part 50 is arranged on the conducting element 10 and the outlet air Between mouthful.
It please refers to Fig.3, specifically, the wind direction adjusting part 50 includes adjusting bolt 51 and hinged block 52, the hinge Block 52 is connect for hinged with the first wind direction partition plate 13 and the second wind direction partition plate 14;The hinged block 52 is arranged on institute It states on blower device 30, end of thread diameter of the hinged block 52 equipped with width and adjusting bolt 51 is adapted arc-shaped logical Hole 521, the arc-shaped through hole 521 are set by the center of circle of the hinge joint of the hinged block 52;The first wind direction partition plate 13 with And the second wind direction partition plate 14 is equipped with and the 51 corresponding threaded hole of adjusting bolt;The end of thread of the adjusting bolt 51 It is threadedly coupled respectively with the first wind direction partition plate 13 and the second wind direction partition plate 14 through the arc-shaped through hole 521. The wind direction adjusting part 50 is easy to use, takes up space small.
The blowing direction of blower device 30 flows the air-flow influenced in cable vault 120, is arranged in blower device 30 In the case of 120 lower right corner of cable vault, the blowing direction of blower device 30 is advisable using the angle with horizontal plane as 35 degree~55 degree, The specific location that wherein specific angle can combine static contact and busbar 123 in cable vault 120 is configured.
It please refers to Fig.1, in this embodiment, 30 bottom of blower device is equipped with fan installation plate 31, the assembling The inclination of plate 31 is located at 120 bottom of cable vault, and is 40 degree with the angle of horizontal plane.The blower device 30 is in cable vault 120 lower right corner, it is 40 that the blowing direction of the blower device 30, which is adjusted to the angle of horizontal plane, by fan installation plate 31 Degree so that its court is blown toward 121 direction of the first static contact.Further through conducting element 10, by part wind water conservancy diversion toward 123 direction of busbar.
Further, 100 bottom of cabinet is equipped with air blast air inlet, and the air blast air inlet is located at air blast dress It puts on 30 exhausting-blowing direction line.Thus it is corresponding with the exhausting direction of blower device 30, be conducive to enter the wind at a high speed.
After a period of operation, filter assemblies will suck substantial amounts of dust to the radiator fan of switchgear, cause at present Cooling-down effect is deteriorated, and increases the resistance value of contact resistance, results even in pollution flashover accident.This just needs operation maintenance personnel to clear up in time, In order to ensure safety, when cleaning, will first power off, and can thus influence the continuity of equipment electric power system.It, can in switchgear It is dust-proof different structures to be taken to carry out, such as filter screen etc..
It please refers to Fig.4, in the present embodiment, the air blast air inlet is equipped with corrugated plating 124, the ripple of the corrugated plating 124 Peak offers multiple through holes with being sealed at trough in the slope surface of the corrugated plating 124.Described in the through hole of air inlet is arranged on In the slope surface of corrugated plating 124, sealed at the peaks and troughs of the corrugated plating 124, can effectively prevent the dust from ground It is sucked by blower device 30.
Further, the slope surface of the corrugated plating 124 is plate-like, and the angle of the slope surface of the corrugated plating 124 and horizontal plane For 55 degree~70 degree.So that the exhausting direction of through hole and blower device 30 is mutually echoed, be conducive to enter the wind at a high speed.
The distance between adjacent two wave crest of the corrugated plating 124 is defined as N, the peaks and troughs of the corrugated plating 124 Between vertical height difference for L, wherein, 1.5N<L<2.5N.Make the vertical height between the peaks and troughs of corrugated plating 124 poor Be conducive to raise axial direction more than the distance between two wave crests certain value, further play dustproof effect and increase It can be by the through hole gross area in the direction of the smooth exhausting of blower device 30.
In other embodiments, the blower device 30 includes three axial flow blowers.The wind-force demand of cable vault 120 compared with Greatly, while using three axial flow blowers better vented exhaust is conducive to.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this The spirit of utility model and any modification, equivalent substitution, improvement and etc. within principle, done, should be included in the utility model Within the scope of protection.

Claims (4)

1. the high-current switch cabinet of a kind of high cooling efficiency, which is characterized in that including cabinet, conducting element, exhaust fan, air blast Device and crossflow fan;
Left and right is equipped with breaker chamber and cable vault successively in the cabinet, and the cable vault is set close to the breaker chamber one 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 equipped at the top of the cable vault, the blower device is located at the right lower quadrant of the cable vault, and the conducting element is set At the air outlet of the blower device, and the first air port and the second air port are separated out, the blower device passes through described first Air port is by wind to first static contact, and the blower device is by second air port by wind to the mother of the cable vault Row;The conducting element includes the first wind direction partition plate and the second wind direction partition plate, the first wind direction partition plate and second wind To the V-shaped setting of partition plate, the v-shaped opening of the conducting element is towards first static contact;
The breaker chamber bottom is equipped with the first air intake passage, and the crossflow fan is arranged at the air inlet of first air intake passage Mouth position, the partition plate between the breaker chamber and the bus-bar room are double-deck ventilating hole plate;The exhaust fan is arranged at the mother Line ceiling portion, the bus-bar room bottom is using double-deck ventilating hole plate;
Wind direction adjusting part is further included, the wind direction adjusting part is used to adjust the subtended angle of the conducting element, and the wind direction is adjusted Component is arranged between the conducting element and the air outlet.
2. switch cabinet structure according to claim 1, which is characterized in that the first wind direction partition plate is arranged at the outlet air Mouth is arranged at the middle part of the air outlet close to the one side of the breaker chamber, the second wind direction partition plate.
3. switch cabinet structure according to claim 2, which is characterized in that the angle of the first wind direction partition plate and horizontal plane For 35 degree~40 degree, the angle of the second wind direction partition plate and horizontal plane is 45 degree~50 degree.
4. switch cabinet structure according to claim 1, which is characterized in that the wind direction adjusting part include adjusting bolt with And hinged block, the hinged block are used to be hinged with the first wind direction partition plate and the second wind direction partition plate;The hinged block It is arranged on the blower device, end of thread diameter of the hinged block equipped with width and adjusting bolt is adapted arc-shaped Through hole, the arc-shaped through hole are set by the center of circle of the hinge joint of the hinged block;The first wind direction partition plate and described Two wind direction partition plates are equipped with threaded hole corresponding with the adjusting bolt;The end of thread of the adjusting bolt passes through described arc-shaped Through hole is threadedly coupled respectively with the first wind direction partition plate and the second wind direction partition plate.
CN201721042332.1U 2017-08-18 2017-08-18 A kind of high-current switch cabinet of high cooling efficiency Expired - Fee Related CN207459495U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721042332.1U CN207459495U (en) 2017-08-18 2017-08-18 A kind of high-current switch cabinet of high cooling efficiency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721042332.1U CN207459495U (en) 2017-08-18 2017-08-18 A kind of high-current switch cabinet of high cooling efficiency

Publications (1)

Publication Number Publication Date
CN207459495U true CN207459495U (en) 2018-06-05

Family

ID=62249271

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721042332.1U Expired - Fee Related CN207459495U (en) 2017-08-18 2017-08-18 A kind of high-current switch cabinet of high cooling efficiency

Country Status (1)

Country Link
CN (1) CN207459495U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180605

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CF01 Termination of patent right due to non-payment of annual fee