CN207353719U - A kind of switchgear radiator structure - Google Patents
A kind of switchgear radiator structure Download PDFInfo
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- CN207353719U CN207353719U CN201721075934.7U CN201721075934U CN207353719U CN 207353719 U CN207353719 U CN 207353719U CN 201721075934 U CN201721075934 U CN 201721075934U CN 207353719 U CN207353719 U CN 207353719U
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- breaker chamber
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Abstract
The utility model discloses a kind of switchgear radiator structure, including switch cabinet body, breaker chamber and bus-bar room are equipped with cabinet, its forced heat radiation by the way of air-supply and exhausting are combined, breaker chamber middle and upper part is provided with temperature sensor, and breaker chamber bottom sets having heaters, and bus-bar room middle and upper part is provided with humidity sensor, bus-bar room bottom sets having heaters, and temperature sensor, humidity sensor, each heater, crossflow fan and axial flow blower and a master controller are electrically connected.The utility model provides a kind of good heat dissipation effect, reliability height, and can ensure the switchgear radiator structure that equipment is reliably run by detected environmental Kuznets Curves in the range of the temperature and humidity of needs.
Description
Technical field
It the utility model is related to switchgear field, more particularly to a kind of switchgear radiator structure.
Background technology
The typical structure of high-tension switch cabinet is made of bus-bar room, breaker chamber, control room, downlead room etc.;Due to for
Meet the needs of degree of protection IP2X, be designed substantially using metal all-closed shell;Degree of protection can go out while high
Now radiate the situation not smooth, temperature is higher.High-tension switch cabinet carries out forced convection heat dissipation using fan at present is had to switchgear
The cooling measure of effect;Forced convection heat dissipation includes " air-supply " and " exhausting " two ways.If only with " exhausting " form into
Row forced air cooling, since cabinet is substantially that totally enclosed frame causes outside air to enter from the gap of cabinet everywhere, goes out
The not smooth phenomenon of existing inlet air.By the way of " air-supply ", if the fan of air-supply is directly installed on switchgear outer wall, no mistake
Filter processing then easily causes equipment in cabinet to accumulate dust, and can increase contact resistance and cause pollution flashover accident.
The insulating capacity of switchgear be determine switchgear can safe and stable operation an important factor for.Temperature and humidity are shadows
An important factor for ringing insulating part insulation effect.
The insulation resistance of dielectric and decline with absorptance with the rising of temperature, its reason one be after temperature rise plus
The speed warm-up movement of dielectric internal electron and ion;Second, under cryogenic conditions, the moisture in dielectric is and other Jie
What matter was combined closely, after temperature raises, hydrone just extends to electromagnetic field the two poles of the earth, thus adds the electrical conductance of dielectric
Can, therefore exponentially rule declines insulation resistance.
Under conditions of condensation does not occur for dielectric surface, when the absolute humidity in air increases, insulating part edge flashing electricity
Pressure can be improved slightly.But when condensation occurs for dielectric surface, edge flashing voltage will be decreased obviously.Because whether occur condensation with it is big
The relative humidity of gas is related, so it depends not only on the size of absolute humidity, the also temperature with dielectric surface has much relations.
Utility model content
In order to overcome, existing high-tension switch cabinet temperature rise is exceeded, inlet air is not smooth, Air Blast fan easily causes dust stratification in cabinet
Deficiency, the utility model provide a kind of switchgear radiator structure so that switchgear has good inlet air, ventilation effect, can be
Reducing reduces the temperature rise of high-tension switch cabinet while dust stratification in cabinet caused by Air Blast fan.
To achieve these goals, the utility model uses following technical scheme:
A kind of switchgear radiator structure, including switch cabinet body, some cabinet doors, cabinet and cabinet door point are provided with before and after cabinet
Not Gou Cheng breaker chamber and bus-bar room, breaker chamber air passage and bus-bar room air passage are provided with breaker chamber and bus-bar room, disconnected
The bottom of road device room is provided with air-supply arrangement, and exhausting dress is respectively arranged with the top in breaker chamber air passage and bus-bar room air passage
Put, air-supply arrangement includes crossflow fan, and the bottom position in breaker chamber on cabinet is provided with horizontally-arranged air inlet hole, bus-bar room
Bus-bar room air inlet is provided with cabinet door, cabinet inner side is provided with filtration gauze in horizontally-arranged inlet air hole site, is set after air-supply arrangement
The deflector positioned at breaker air passage bottom is equipped with, deflector is obliquely installed the breaker air passage air-supply so that upward, exhausting
Device includes axial flow blower, and breaker chamber middle and upper part is provided with temperature sensor, and breaker chamber bottom sets having heaters, busbar
Room middle and upper part is provided with humidity sensor, and bus-bar room bottom sets having heaters, temperature sensor, humidity sensor, each heating
Device, crossflow fan and axial flow blower and a master controller are electrically connected.
The forced convertion mode being combined by blowing with exhausting, is conducive to the aeration-cooling effect of switchgear.It is horizontally-arranged into
Install filtration gauze on the inside of air holes additional, avoid equipment in cabinet and accumulate dust.When temperature sensor detects that temperature is higher than setting value
Or humidity sensor is detected when being possible to produce condensation, master controller driving crossflow fan and axial flow blower work, change
Temperature or destroy condensation condition, when observed temperature it is lower than design temperature 4 DEG C ~ 6 DEG C and produce condensation condition disappear after, respectively
Wind turbine is stopped, so that by detected environmental Kuznets Curves in the range of the temperature and humidity of needs, ensures that equipment is reliably run.
When humidity sensor detects humidity more than 60%, start heater heating and dehumidification.
As a kind of optimal technical scheme of the utility model, it is provided with the lower section of the extractor fan at the top of cabinet
Pressure relief device, the pressure relief device include pressure release support plate, pressure release cover board and side plate, and pressure release support plate is cut with scissors with pressure release cover panel end
Connect, pressure release cover board both sides are flexibly connected with side plate, and air grid is provided with the pressure release cover board, is set in the air grid
There is metal filter screen.When Internal faults arc occurs for breaker or bus-bar room, with the appearance of electric arc, inside switch cabinet air pressure
Rise, the pressure release cover board plate of top installing will be opened, and pressure and gas be discharged, to ensure the safety of operating personnel and equipment.
For switchgear during putting into operation, inside can produce amount of heat, and due to all round closure, heat cannot shed in time, heat
The performance of the insulating materials such as circuit breaker cart, contact box, casing, heat-shrink tube can be seriously affected after excessive, so as to reduce its use
In the service life, set the air grid equipped with metal filter screen to solve the problems, such as this on pressure release cover board.
As a kind of optimal technical scheme of the utility model, the crossflow fan front end is provided with metal filter screen and company
Fitting, the metal filter screen and the crossflow fan connect metal filter screen and the crossing current wind by the connector
Gap is left between machine.When the dust that metal filtration adsorbs on the net is enough, between metal filter screen and crossflow fan between
Gap can prevent the air inlet of dust obstruction crossflow fan.
As a kind of optimal technical scheme of the utility model, fan trouble instruction and alarm dress are provided with the cabinet
Put, the fan trouble instruction and warning device are electrically connected with crossflow fan and each axial flow blower.Once wind turbine breaks down
Shut down, it is exceeded to will result in switchgear temperature rise, so as to cause switchgear insulation accelerated ageing, the fever of busbar shiplap joint point
The problems such as, it is serious to trigger accident.Therefore, further to increase its security reliability, fan trouble instruction and report are added
Alarm device, easy to understand wind turbine situation in time in actual operation, so that it is guaranteed that the safe operation of whole switchgear.
As a kind of optimal technical scheme of the utility model, the crossflow fan and each axial flow blower are connected to
Time-delay relay.Because the actual motion electric current of switchgear is not definite value, it, which changes with time, is changing, so working as switchgear
When being run near wind turbine starting current value, it is certain to cause frequent starting and the stopping of wind turbine, so as to substantially reduce wind turbine
Service life, increases the possibility of failure.By adding time-delay relay so that wind turbine once starts, if electric current is consistently greater than
Starting current then wind turbine continuous running;After wind turbine starts, even if electric current drops to below starting current value quickly, wind turbine will not
Shut down, but just stop after continuous running sometime at once, be again started up when electric current reaches starting current value again.
The frequent starting of wind turbine is avoided, extends the service life of wind turbine as much as possible.
The beneficial effect that the utility model is reached compared with prior art is:The good heat dissipation effect of the utility model, can
It is high by property, and can ensure that equipment is reliably run by detected environmental Kuznets Curves in the range of the temperature and humidity of needs.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the left view of the utility model.
Fig. 3 is the right view of the utility model.
Fig. 4 is the structure diagram of air-supply arrangement.
Fig. 5 is the structure diagram of extractor fan.
In figure:Cabinet 1, breaker chamber 2, bus-bar room 3, preceding 4, preceding middle door 5 of visiting, preceding Xiamen 6, after visit 7, rear Xiamen 8,
Breaker chamber air passage 9, air-supply arrangement 10, extractor fan 11, crossflow fan 12, horizontally-arranged air inlet hole 13, metal filter screen 14, connection
Part 15, deflector 16, bus-bar room air passage 17, bus-bar room air inlet 18, axial flow blower 19, pressure release support plate 20, pressure release cover board 21,
Side plate 22, air grid 23, temperature sensor 24, heater 25, humidity sensor 26.
Embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it will be appreciated that described herein excellent
Select embodiment to be only used for describing and explaining the present invention, be not used to limit the utility model.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of switchgear radiator structure, including switch cabinet body 1, set in switch cabinet body 1
Breaker chamber 2 and bus-bar room 3 are equipped with, visit before being provided with before cabinet 14, preceding middle door 5 and preceding Xiamen 6, cabinet 1 are set below
Visit after having 7 and rear Xiamen 8.
Breaker chamber air passage 9 is provided with breaker chamber 2, the lower section of breaker chamber 2 is provided with air-supply arrangement 10, disconnected
Road device room 2 and the top of bus-bar room 3 are respectively arranged with extractor fan 11.
As shown in figure 4, air-supply arrangement 10 includes crossflow fan 12, the bottom position in breaker chamber 2 on cabinet 1 is set
There is horizontally-arranged air inlet hole 13,12 front end of crossflow fan is provided with metal filter screen 14 and connector 15, metal filter screen 14 and crossing current
Wind turbine 12 is connected by connector 15 and leaves gap between metal filter screen 14 and crossflow fan 12.
The inner side of cabinet 1 is provided with filtration gauze in horizontally-arranged 13 position of air inlet hole, is provided with after air-supply arrangement 10 positioned at open circuit
The deflector 16 of 9 bottom of device air passage, deflector 16 is obliquely installed so that breaker air passage 9 upward is blown.
Bus-bar room air passage 17 is provided with bus-bar room 3, the top in bus-bar room air passage 17 is provided with extractor fan 11, preceding
Bus-bar room air inlet 18 is provided with Xiamen 6 and rear Xiamen 8.
As shown in figure 5, extractor fan 11 includes axial flow blower 19, it is provided with the lower section of extractor fan 11 at the top of cabinet
Pressure relief device.Pressure relief device includes pressure release support plate 20, pressure release cover board 21 and side plate 22, pressure release support plate 20 and pressure release cover board 21
End is hinged, and 21 both sides of pressure release cover board are flexibly connected with side plate 22.Air grid 23, air grid are provided with pressure release cover board 21
Metal filter screen 14 is provided with 23.
2 middle and upper part of breaker chamber is provided with temperature sensor 24, and 2 bottom of breaker chamber sets having heaters 25, bus-bar room 3
Middle and upper part is provided with humidity sensor 26, and 3 bottom of bus-bar room sets having heaters 25, temperature sensor 24, humidity sensor 26,
Each heater 25, crossflow fan 12 and axial flow blower 19 are electrically connected with master controller.
Fan trouble instruction and warning device, fan trouble instruction and warning device and crossflow fan are provided with cabinet 1
12 and each axial flow blower 19 be electrically connected.Crossflow fan 12 and each axial flow blower 19 are connected to time-delay relay.
Finally it should be noted that:The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.Where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of switchgear radiator structure, including switch cabinet body, some cabinet doors, cabinet and cabinet door difference are provided with before and after cabinet
Form breaker chamber and bus-bar room, it is characterised in that breaker chamber air passage and bus-bar room are provided with breaker chamber and bus-bar room
Air passage, air-supply arrangement is provided with the bottom of breaker chamber, is set respectively on the top in breaker chamber air passage and bus-bar room air passage
There is extractor fan, air-supply arrangement includes crossflow fan, and the bottom position in breaker chamber on cabinet is provided with horizontally-arranged air inlet hole,
Bus-bar room air inlet is provided with the cabinet door of bus-bar room, cabinet inner side is provided with filtration gauze in horizontally-arranged inlet air hole site, blows
The deflector positioned at breaker air passage bottom is provided with after device, deflector is obliquely installed so that breaker air passage upward is sent
Wind, extractor fan include axial flow blower, and breaker chamber middle and upper part is provided with temperature sensor, and breaker chamber bottom is provided with heating
Device, bus-bar room middle and upper part are provided with humidity sensor, and bus-bar room bottom sets having heaters, temperature sensor, humidity sensor,
Each heater, crossflow fan and axial flow blower and a master controller are electrically connected.
A kind of 2. switchgear radiator structure according to claim 1, it is characterised in that the lower section of the extractor fan in
Be provided with pressure relief device at the top of cabinet, the pressure relief device includes pressure release support plate, pressure release cover board and side plate, pressure release support plate and
Pressure release cover panel end is hinged, and pressure release cover board both sides are flexibly connected with side plate, and air grid is provided with the pressure release cover board, described
Metal filter screen is provided with air grid.
3. a kind of switchgear radiator structure according to claim 1, it is characterised in that the crossflow fan front end is provided with
Metal filter screen and connector, the metal filter screen and the crossflow fan connect metal filtration by the connector
Gap is left between net and the crossflow fan.
4. a kind of switchgear radiator structure according to claim 1, it is characterised in that wind turbine event is provided with the cabinet
Barrier instruction and warning device, the fan trouble instruction and warning device are electrically connected with crossflow fan and each axial flow blower.
5. a kind of switchgear radiator structure according to claim 1, it is characterised in that the crossflow fan and each axis stream
Wind turbine is connected to time-delay relay.
Priority Applications (1)
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CN201721075934.7U CN207353719U (en) | 2017-08-25 | 2017-08-25 | A kind of switchgear radiator structure |
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CN201721075934.7U CN207353719U (en) | 2017-08-25 | 2017-08-25 | A kind of switchgear radiator structure |
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CN207353719U true CN207353719U (en) | 2018-05-11 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107482504A (en) * | 2017-08-25 | 2017-12-15 | 浙江上美输配电有限公司 | A kind of switch cubicle radiator structure |
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2017
- 2017-08-25 CN CN201721075934.7U patent/CN207353719U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107482504A (en) * | 2017-08-25 | 2017-12-15 | 浙江上美输配电有限公司 | A kind of switch cubicle radiator structure |
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