CN102842857B - Switch device - Google Patents
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- CN102842857B CN102842857B CN201110166666.0A CN201110166666A CN102842857B CN 102842857 B CN102842857 B CN 102842857B CN 201110166666 A CN201110166666 A CN 201110166666A CN 102842857 B CN102842857 B CN 102842857B
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- relief opening
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Abstract
The invention relates to a switch device. A first compartment comprises a first air inlet and an air outlet; a venting device is mounted at the air outlet; a second compartment comprises a second air inlet; and a first interface is arranged between the first compartment and the second compartment. When the venting device is in operation, air enters the first compartment and the second compartment from the first air inlet and the second air inlet respectively; the air entering the second compartment enters the first compartment through the first interface; and the air entering the first compartment is discharged out of the switch device from the air outlet. At least two of compartments such as a handcart compartment, a bus compartment and a cable compartment and the like in the switch device are subjected to forced ventilation, the corresponding compartments are provided with the air inlets, and the venting device is arranged at the air outlet, so that the cooling capability of the switch device is greatly improved.
Description
Technical field
The present invention relates to a kind of switching device, particularly a kind of force ventilated switching device for distribution system.
Background technology
Switching device (such as switch cubicle) is the important equipment in distribution system, its generally include handcart room, bus-bar room and
The compartments such as cable vault.For the switching device of high load capacity, because the rated operational current that it bears is larger, therefore running
Cheng Zhonghui produces rapidly amount of heat and makes the rapid rising of the temperature in switching device.If as early as possible these heats not discharged,
The performance of various insulating elements in switching device then can be had a strong impact on, in turn result in potential safety hazard.Especially for compact conformation,
For the little switching device in inner space, this is particularly problematic.
Chinese patent CN201142530Y discloses a kind of force ventilated switching device, and it has and is arranged on handcart room and enters
The blower fan in air port.After blower fan starts, the air that the air inlet from handcart room bottom sucks is first in handcart interior and all parts
Carry out heat exchange to discharge from cabinet top again.This solution is disadvantageous in that, is only capable of rival car room and is cooled down, and cannot
Cooling bus-bar room and cable vault.
Chinese patent CN201234070Y discloses another force ventilated switching device, and it has and is convenient for changing or overhauls
Cooling fan, and air not only can carry out heat exchange in handcart room and can also carry out heat exchange in bus-bar room.This
Solution is disadvantageous in that：1st, still cable vault cannot be cooled down；2nd, assembling is in unique air intake passage
Porch, intake is limited and apart from bus-bar room farther out, thus is unfavorable for switching device is effectively cooled down；3rd, handss are worked as
When one of car room and this two compartments of bus-bar room occur the faults such as such as arcing, the gases at high pressure of heat can be along with clipped wire
Son enters another compartment, thus causing damage to the part in the compartment not broken down.
Content of the invention
It is an object of the invention to, provide a kind of switching device of perfect heat-dissipating, this switching device can also enter one
Step overcomes above-mentioned weak point.
Described purpose is realized by a kind of switching device of the present invention.This switching device includes adjacent first compartment
And second compartment.Described first compartment includes the first air inlet and gas outlet, and ventilation unit is arranged at described gas outlet.Described
Second compartment includes the second air inlet, and has first interface between described first compartment and described second compartment.When described logical
When wind apparatus run, air respectively enters described first compartment and described the from described first air inlet and described second air inlet
Two compartments, the air entering described second compartment enters described first compartment further through described first interface, and enters described the
The air of one compartment discharges described switching device from described gas outlet.Be arranged on the ventilation unit at gas outlet and be arranged on to
Air inlet on few two compartments, can more efficiently cool down to switching device.
According to one aspect of the present invention, described first compartment has the first pressure relief opening, and described first air inlet has
First air flap.When there is arcing fault in described first compartment, described first air inlet is by described first air flap
Closing makes pressed gas from described first pressure relief opening effusion.Baffle plate setting both can stop the pressure of arcing fault generation in air inlet
Strength body directly rushes at attendant by air inlet and attendant is damaged, and can force pressed gas along safety again
Path flow out switching device and be released.
According to another aspect of the present invention, described second compartment has the second pressure relief opening, and described second air inlet has
Second air flap.When there is arcing fault in described second compartment, described second air inlet is by described second air flap
Closing makes pressed gas from described second pressure relief opening effusion.The baffle plate being arranged at another air inlet may insure in another compartment
Pressed gas safely discharge also along the path of safety, thus further ensuring the safety of attendant.
According to another aspect of the invention, described first pressure relief opening and described second pressure relief opening lead to pressure releasing chamber.Described
One pressure relief opening has the first pressure release baffle plate and described second pressure relief opening has the second pressure release baffle plate.When generation in described first compartment
During arcing fault, described second pressure relief opening is by described second pressure release flapper closure.When generation arcing fault in described second compartment
When, described first pressure relief opening is by described first pressure release flapper closure.When the pressed gas in the compartment that arcing fault occurs pass through
When the pressure relief opening of this compartment flows into pressure releasing chamber rapidly, pressure releasing chamber can be buffered to pressed gas and then be reduced its impulsive force,
And pass through to make the pressure relief opening of the compartment that arcing fault does not occur then can be prevented pressure further by corresponding pressure release flapper closure
Gas enters in the compartment that arcing fault does not occur and causes to damage.
According to another aspect of the present invention, described second air inlet and described second pressure relief opening are same blow vent, and institute
Stating the second air flap and described second pressure release baffle plate is same vent baffle.When generation arcing fault in described first compartment
When, described blow vent is closed by described vent baffle.The air inlet of second compartment and pressure relief opening be can be designed as same opening
Structure can be simplified.
According to another aspect of the present invention, described first air inlet is located at the front of described switching device, and described gives vent to anger
Mouth is located at the top of described switching device.The front that air inlet is arranged at switching device flows into switch dress with can making smooth air
Put, and the top that gas outlet is arranged at switching device can preferably avoid the pressed gas producing during arcing fault to maintenance
Personnel damage.
According to another aspect of the present invention, described first compartment is handcart room, and described second compartment is bus-bar room.By bus
When room is as second compartment, it is more suitable for for air inlet and pressure relief opening being set to same opening.
According to another aspect of the present invention, described first compartment is handcart room, and described second compartment is cable vault.By cable
When room is as second compartment, it is more suitable for being respectively provided with air inlet and pressure relief opening.
According to another aspect of the present invention, described switching device also includes the 3rd compartment, described first compartment and described the
Between three compartments, there is second interface.Described 3rd compartment includes blow vent.When described ventilation unit runs, air is from described
Blow vent enter described 3rd compartment, enter described 3rd compartment air further through described second interface enter described first every
Room, and finally discharge described switching device from described gas outlet.All arranging air inlet for three compartments can make switching device obtain
Cool down to more preferable.
According to another aspect of the present invention, described first compartment is handcart room, and described second compartment is cable vault, described the
Three compartments are bus-bar room.The second compartment that cable vault is respectively provided with as air inlet and pressure relief opening, and using bus-bar room as entering
The scheme of the 3rd compartment that QI KOU and pressure relief opening are set to same opening is preferred.
According to another aspect of the present invention, described first compartment has the first pressure relief opening, and described second compartment has the
Two pressure relief openings, wherein said first pressure relief opening, described second pressure relief opening and described blow vent each lead to pressure releasing chamber.Described first enters
QI KOU has the first air flap, described second air inlet has the second air flap, and described blow vent has vent baffle.
When there is arcing fault in described first compartment, described first air inlet is closed by described first air flap and is made pressure gas
Body is from described first pressure relief opening effusion.When there is arcing fault in described second compartment, described second air inlet is by described the
Two air flap are closed and are made pressed gas from described second pressure relief opening effusion.When generation arcing fault in described 3rd compartment
When, pressed gas escape from described blow vent.Baffle plate setting both can stop the pressure gas of arcing fault generation in each air inlet
Body directly rushes at attendant by corresponding air inlet and attendant is damaged, and can force pressed gas along peace again
Full path waste cock device and be released.
According to another aspect of the present invention, described first pressure relief opening has the first pressure release baffle plate, and described second pressure relief opening
There is the second pressure release baffle plate.When there is arcing fault in described first compartment, described second pressure relief opening is by described second pressure release
Flapper closure and described blow vent is closed by described vent baffle.When there is arcing fault in described second compartment, described the
One pressure relief opening by described first pressure release flapper closure and closed by described vent baffle by described blow vent.When in described 3rd compartment
When there is arcing fault, by described first pressure release flapper closure and described second pressure relief opening is by described second for described first pressure relief opening
Pressure release flapper closure.Pressed gas in the compartment that arcing fault occurs flow into rapidly pressure releasing chamber from the pressure relief opening of this compartment
During, pressure releasing chamber can be buffered to pressed gas and then be reduced its impulsive force, and passes through to make arcing fault
The pressure relief opening of compartment then can be prevented pressed gas entrance from arcing fault not occurring by corresponding pressure release flapper closure further
Compartment is interior and causes to damage.
According to another aspect of the present invention, described first air inlet is located at the front of described switching device, and described second enters
QI KOU is located at the back side of described switching device, and described gas outlet is located at the top of described switching device.The air inlet of handcart room
It is arranged at the front of switching device, the air inlet of cable vault is arranged at the back side of switching device, and gas outlet is arranged at switch
The top of device, the pressure producing when can preferably avoid arcing fault while flowing into switching device with making smooth air
Gas damages to attendant.
According to another aspect of the present invention, described gas outlet has baffle plate of giving vent to anger.When generation arcing in described first compartment
During fault, described gas outlet is by described flapper closure of giving vent to anger to protect described ventilation unit.It is arranged at the gear of giving vent to anger at gas outlet
Gas outlet protection ventilation unit closed by plate in the case of can there are pressed gas in first compartment.
According to another aspect of the present invention, described pressure releasing chamber has pressure relief device, and pressed gas are arranged from described pressure relief device
Go out described switching device.Pressure relief device can keep the indoor pressure of pressure release, to ensure that pressure releasing chamber can make pressed gas obtain
Buffering.
It is an advantage of the current invention that：By in the compartments such as the handcart room of switching device, bus-bar room and cable vault at least
Two compartments carry out forced ventilation, and by arranging air inlet for corresponding compartment and being arranged at gas outlet by ventilation unit,
Drastically increase the cooling capacity of switching device, allow for switching device and there is the overall compact knot than existing switching device
Structure.Meanwhile, the design of air flap and pressure release baffle plate can also guide the pressed gas in the compartment that arcing fault occurs along safety
Path discharge corresponding compartment, thus avoid pressed gas from air inlet go out or enter other do not occur arcing fault every
Room.
Brief description
In conjunction with the following drawings, the features and advantages of the present invention will become clearer from, and wherein identical symbol represents identical
Part or device：
Fig. 1 shows state when normally running according to the switching device 1 of one embodiment of the present invention, and its breaker in middle fills
Put 1 three compartments to be cooled down simultaneously；
Fig. 2 shows that the handcart room 11 in the switching device 1 of Fig. 1 occurs state during arcing fault；
Fig. 3 shows that the cable vault 14 in the switching device 1 of Fig. 1 occurs state during arcing fault；
Fig. 4 shows that the bus-bar room 13 in the switching device 1 of Fig. 1 occurs state during arcing fault.
List of numerals：
1 switching device；11 handcart room；
12 pressure releasing chamber；13 bus-bar rooms；
14 cable vaults；15 ventilation units；
16 choppers；110th, 140 air inlet；
150 gas outlets；120 pressure relief devices；
130 blow vents；151 give vent to anger baffle plate；
112nd, 142 pressure relief opening；111st, 141,131,113,143 baffle plate
31st, 41 interface.
Specific embodiment
According to one embodiment of the present invention, the switching device 1 of Fig. 1 is in normal operating condition, wherein as first
The handcart room 11 of compartment respectively with the cable vault 14 as second compartment and adjacent as the bus-bar room 13 of the 3rd compartment, and with electricity
It is respectively provided with the interface 41 as first interface and the interface 31 as second interface between cable room 14 and bus-bar room 13.Handcart room
11 include the air inlet 110 and gas outlet 150 as the first air inlet, and ventilation unit 15 is arranged at gas outlet 150, wherein
Air inlet 110 is preferably placed at the front of switching device 1, and air inlet 140 is preferably placed at the back side of switching device 1, and gas outlet 150
It is preferably placed at the top of switching device 1.Cable vault 14 includes the air inlet 140 as the second air inlet, and bus-bar room 13 includes
Blow vent 130.Operating ventilation unit 15 makes air respectively enter handss from air inlet 110, air inlet 140 and blow vent 130
Car room 11, cable vault 14 and bus-bar room 13, wherein enter cable vault 14 and the air of bus-bar room 13 passes through interface 41 He again respectively
Interface 31 enters handcart room 11, and enters the air of handcart room 11 from gas outlet 150 waste cock device 1.I.e. air edge respectively
Three flow path corresponding compartment is cooled down below：(1) air entering handcart room 11 from air inlet 110 passes through
QI KOU 150 waste cock device 1；(2) air entering cable vault 14 from air inlet 140 enters handcart room by interface 41 again
11, and finally from gas outlet 150 waste cock device 1；(3) air entering bus-bar room 13 from blow vent 130 passes through interface again
31 entrance handcart room 11, and finally from gas outlet 150 waste cock device 1.Whereby, air can switching device 1 each
It is sufficiently carried out heat exchange, thus reaching good cooling effect, wherein interface 41 and interface 31 pass through open circuit respectively in compartment
Gap around the lower contact arm of device 16 and upper contact arm is realizing.
According to another embodiment of the present invention, handcart room 11 can be further provided with the pressure relief opening as the first pressure relief opening
112, and cable vault 14 can be further provided with the pressure relief opening 142 as the second pressure relief opening, wherein pressure relief opening 112, pressure relief opening 142
Each lead to pressure releasing chamber 12 with blow vent 130.Meanwhile, air inlet 110 can be further provided with the baffle plate as the first air flap
111st, the second air inlet 140 can be further provided with baffle plate 141, and blow vent 130 can be further provided with vent baffle 131.
When there is arcing fault in handcart room 11, the pressed gas producing in handcart room 11 expand rapidly from inside to outside.Due to interface
31 and interface 41 allow the flow passing through less within the unit interval, therefore pressed gas hardly flow into cable vault 14 and bus
Room 13 but will promote baffle plate 111 that air inlet 110 is closed by baffle plate 111 as shown in Figure 2, and then make the pressed gas can only
Escape from pressure relief opening 112.When there is arcing fault in cable vault 14, the rapid pressed gas expanding will make air inlet 140 such as
Closed so that pressed gas can only escape from pressure relief opening 142 by baffle plate 141 shown in Fig. 3.When generation arcing fault in bus-bar room 13
When, promotion vent baffle 131 as shown in Figure 4 is fully opened and escapes from blow vent 130 by the rapid pressed gas expanding.
According to a further embodiment of the present invention, pressure relief opening 112 can have the baffle plate as the first pressure release baffle plate further
113, and pressure relief opening 142 can have the baffle plate 143 as the second pressure release baffle plate further.When generation arcing fault in handcart room 11
When, pressure relief opening 142 and blow vent 130 will be closed such that it is able to keep by baffle plate 143 and vent baffle 131 as shown in Figure 2 respectively
Pressure in cable vault 14 and bus-bar room 13.Simultaneously as interface 31 and interface 41 allow the flow passing through within the unit interval
Less, and the instantaneous pressure gas expansion producing in electric arc must be exceedingly fast, therefore the relatively low baffle plate of compressive resistance 113 can first be pushed away
Open, so that pressed gas flow into pressure releasing chamber 12 by pressure relief opening 112.Meanwhile, the baffle plate 113 opened rapidly and entrance pressure releasing chamber
12 pressure gas cognition pushes down on vent baffle 131 and closes blow vent 130.Due to baffle plate 113 can open rapidly and by
Respectively pressure relief opening 142 and blow vent 130 are closed in baffle plate 143 and vent baffle 131, so pressed gas hardly enter
The cable vault 14 adjacent with handcart room 11 and bus-bar room 13, but pressure releasing chamber 12 is entered by pressure relief opening 112.So allow for electricity
Cable room 14 and bus-bar room 13 are protected from the impact of arcing fault, and by pressed gas along secure path waste cock device 1.When
When there is arcing fault in cable vault 14, pressure relief opening 112 and blow vent 130 are as shown in Figure 3 respectively by baffle plate 113 and vent baffle
131 closings.Now, the pressed gas producing in cable vault 14 expand rapidly from inside to outside, and push baffle plate 143 open, thus will let out
Pressure mouth 142 fully opens.The pressed gas entering pressure releasing chamber 12 promote vent baffle 131 to close blow vent 130 further downward
Close.Due to allow in interface 41 unit interval by flow less and electric arc produce moment gas expand as quick as thought, and
Because while pressure relief opening 143 is opened rapidly, pressure relief opening 112 and blow vent 130 are protected by baffle plate 113 and vent baffle 131 respectively
Hold closing and handcart room 11 and the pressure of bus-bar room 13 can be kept, therefore pressed gas hardly enter bus-bar room 13 and with electricity
The adjacent handcart room in cable room 14 11, but first push the relatively low pressure relief plate of compressive resistance 143 open and flowed into rapidly by pressure relief opening 142 and let out
Pressure chamber 12, and then make handcart room 11 and bus-bar room 13 be protected from the impact of arcing fault.When generation arcing in bus-bar room 13
During fault, pressure relief opening 112 and pressure relief opening 142 are closed by baffle plate 113 and baffle plate 143 as shown in Figure 4 respectively.Now, bus-bar room 13
The pressed gas of interior generation expand rapidly from inside to outside, and push vent baffle 131 open, thus blow vent 130 is fully opened, enter
And enter pressure releasing chamber 12.Due to allow in interface 31 unit interval by flow less and electric arc produce moment gas swollen
Swollen must be exceedingly fast, and because vent baffle 131 is opened rapidly and baffle plate 113 and baffle plate 143 make pressure relief opening 112 and pressure relief opening respectively
142 remain turned-off and can keep handcart room 11 and the pressure of cable vault 14, therefore pressed gas hardly enter cable vault 14
And the handcart room 11 adjacent with cable vault 14, so that handcart room 11 and bus-bar room 13 are protected from the impact of arcing fault.
According to another embodiment of the invention, gas outlet 150 can be further provided with baffle plate 151 of giving vent to anger.In handcart room
After there occurs arcing fault in 11, the pressed gas producing in handcart room 11 can promote baffle plate 151 of giving vent to anger will give vent to anger as shown in Figure 2
Mouth 150 closing, thus by ventilation unit 15 and pressed gas isolation, thus protecting ventilation unit 15.
According to another embodiment of the invention, pressure releasing chamber 12 can be further provided with pressure relief device 120.Pressure relief device
In the case that 120 are arranged to, in compartment, arcing fault occurs, make to keep certain pressure in pressure releasing chamber 12, when pressure amasss
After gathering to a certain extent, then fully open pressed gas waste cock device 1, slow down the discharge speed of pressed gas whereby
Degree, reduces the risk that attendant is damaged.Additionally, when switching device 1 is in normal operating condition, pressure relief device
120 also allow for air enters pressure releasing chamber 12, and then realizes cooling down by blow vent 130 entrance bus-bar room 13.
It will be understood by those skilled in the art that baffle plate 151 in various embodiments above, baffle plate 113, baffle plate 111, baffle plate
141st, baffle plate 143 and vent baffle 131 all can be realized by bending metallic plate at a certain angle.For baffle plate 151, baffle plate
111st, baffle plate 141 and vent baffle 131, the metallic plate of this bending can divide in the state of normal operation as shown in Figure 1
Not angled with the plane that gas outlet 150, air inlet 110, air inlet 140 and blow vent 130 are located, thus allowing gas
Flow out gas outlet 150 and flow into air inlet 110, air inlet 140, blow vent 130, and work as generation arcing fault in corresponding compartment
When, the rapid pressure produced by pressed gas expanding be enough to close corresponding opening.For baffle plate 113 and baffle plate 143, this
Pressure relief opening 112 and pressure relief opening 142 can be kept closing in the state of the normal operation shown in Fig. 1 by metallic plate respectively that plant bending
Close, and when there is arcing fault in corresponding compartment, the rapid pressure produced by pressed gas expanding be enough to will be corresponding
Opening is opened.It will further be appreciated by those of ordinary skill in the art that first, second and third in the embodiment above in relation at least three compartments
Compartment can also be other compartments of switching device 1, and pressure relief device and pressure releasing chamber are not required.
According to another embodiment of the invention it is also possible to cool down to two adjacent compartments of switching device 1, example
As only carried out to the handcart room 11 as first compartment as shown in Figure 1 and the cable vault 14 as second compartment or bus-bar room 13
Cooling, wherein handcart room 11 still includes the air inlet 110 as the first air inlet and gas outlet 150, and ventilation unit 15 is still
So it is arranged at gas outlet 150.Second compartment also includes air inlet 140 or blow vent 130 and first as the second air inlet
Also there is between compartment and second compartment the interface 41 as first interface or interface 31.When bus-bar room 13 is second compartment,
As the second air inlet and interface 31 is first interface to blow vent 130, and operating ventilation unit 15 makes air respectively from air inlet
Mouth 110 and blow vent 130 respectively enter handcart room 11 and bus-bar room 13, wherein enter the air of bus-bar room 13 further through interface
31 entrance handcart room 11, and enter the air of handcart room 11 finally from gas outlet 150 waste cock device 1.When cable vault 14 is
During second compartment, as the second air inlet and interface 41 is first interface to air inlet 140, and operating ventilation unit 15 makes air
Respectively enter handcart room 11 and cable vault 14 from air inlet 110 and air inlet 140 respectively, wherein enter the sky of cable vault 14
Gas enters handcart room 11 by interface 41 again respectively, and the air entering handcart room 11 finally fills from gas outlet 150 waste cock
Put 1.
According to another embodiment of the invention, when the adjacent compartment of two to switching device 1 cools down, as
The handcart room 11 of first compartment can have the pressure relief opening 112 as the first pressure relief opening further, and entering as the first air inlet
QI KOU 110 has the baffle plate 111 as the first air flap.When there is arcing fault in handcart room 11, air inlet 110 will be as
Closed so that pressed gas escape from pressure relief opening 112 by baffle plate 111 shown in Fig. 2.
According to another embodiment of the invention, when the adjacent compartment of two to switching device 1 cools down, as
The cable vault 14 of second compartment or bus-bar room 13 also can be respectively provided with pressure relief opening 142 or ventilation as the second pressure relief opening further
Mouthfuls 130, and the air inlet 140 as the second air inlet or blow vent 130 also can be respectively provided with further and keep off as the second air inlet
The baffle plate 141 of plate or vent baffle 131.When cable vault 14 is as second compartment and when there is arcing fault, air inlet 140 will be as
Closed so that pressed gas escape from pressure relief opening 142 by baffle plate 141 shown in Fig. 3.When bus-bar room 13 as second compartment and occurs
During arcing fault, blow vent 130 is fully opened as shown in Figure 4 so that pressed gas escape from blow vent 130, now ventilates
Mouth 130 is not only as the second air inlet but also as the second pressure relief opening.
According to another embodiment of the invention, when the adjacent compartment of two to switching device 1 cools down, as
The pressure relief opening 112 of the first pressure relief opening and the pressure relief opening 142 as the second pressure relief opening or blow vent 130 each lead to pressure releasing chamber 12.Let out
Pressure mouth 112 can have the baffle plate 113 as the first pressure release baffle plate further, and pressure relief opening 142 or blow vent 130 can divide further
There is no the baffle plate 143 as the second pressure release baffle plate or vent baffle 131, particularly bus-bar room 13 as second compartment feelings
Under condition, vent baffle 130 is not only as the second air flap but also as the second pressure release baffle plate.When generation arcing fault in handcart room 11
When, pressure relief opening 142 or blow vent 130 are closed by baffle plate 143 or vent baffle 131 respectively.When generation arcing event in cable vault 14
During barrier, pressure relief opening 112 and pressure relief opening 130 will be closed by baffle plate 113 and vent baffle 131 as shown in Figure 3 respectively.When bus-bar room 13
During interior generation arcing fault, pressed gas promote vent baffle 131 to bring it about bending by as shown in Figure 4, thus by blow vent
130 fully open.Because interface 31 or interface 41 allow the gas flow passing through limited within the unit interval, and the pressure release closed
Plate 113 and baffle plate 143 can keep handcart room 11 or the pressure of cable vault 14, therefore the pressed gas of the rapid expansion of arcing generation
Hardly pass through interface 31 or interface 41 flows into handcart room 11 but flows into pressure releasing chamber 12.
Although embodiments of the present invention laid out above, described embodiment is not intended to show that the present invention's is all
Possible form.Additionally, the content in this specification is descriptive, and nonrestrictive.Those skilled in the art can be to this
Various changes and modifications can be made for the content of description, the purport without departing from the present invention and the scope of claim.
Claims (12)
1. a kind of switching device (1), including adjacent first compartment (11) and second compartment (13) and the 3rd compartment (14)；Institute
State first compartment (11) and include the first air inlet (110) and gas outlet (150), ventilation unit (15) is arranged on described gas outlet
(150) place it is characterised in that：Described second compartment (13) and described 3rd compartment (14) include respectively the second air inlet (130),
3rd air inlet (140)；It is respectively provided between described first compartment (11) and described second compartment (13), the 3rd compartment (14)
One interface (31) and second interface (41)；
When described ventilation unit (15) runs, air from described first air inlet (110) and described second air inlet (130) with
And the 3rd air inlet (140) respectively enter described first compartment (11) and described second compartment (13), the 3rd compartment (14), enter
Described second compartment (13), the air of the 3rd compartment (14) are again respectively by described first interface (31) and second interface (41)
Enter described first compartment (11), the air entering described first compartment (11) discharges described switch from described gas outlet (150)
Device (1),
Described first compartment (11) has the first pressure relief opening (112), and described first air inlet (110) has the first air flap
(111)；When there is arcing fault in described first compartment (11), described first air inlet (110) is kept off by described first air inlet
Plate (111) is closed and pressed gas is escaped from described first pressure relief opening (112),
Described second compartment (13) and the 3rd compartment (14) have the second air inlet (130) and the second pressure relief opening (142), and described
Second air inlet (130) and the 3rd air inlet (140) have the second air flap (131,141)；When described second compartment (13)
When there is arcing fault with the 3rd in compartment (14), described second air inlet (130) and the 3rd air inlet (140) are by described second
Air flap (131,141) is closed and pressed gas is escaped from described second air inlet (130) and the second pressure relief opening (142),
Described second air inlet (130) of described first pressure relief opening (112) and the second pressure relief opening (142) lead to pressure releasing chamber (12)；
Described first pressure relief opening (112) has the first pressure release baffle plate (113) and described second air inlet (130) and the second pressure relief opening
(142) there is the second pressure release baffle plate (131,143)；When there is arcing fault in described first compartment (11), described second enters
QI KOU (130) and the second pressure relief opening (142) are closed by described second pressure release baffle plate (131,143)；When described second compartment (13)
During with arcing fault occurring in the 3rd compartment (14), described first pressure relief opening (112) is closed by described first pressure release baffle plate (113)
Close.
2. switching device (1) as claimed in claim 1 it is characterised in that：Described gas outlet (150) has baffle plate of giving vent to anger
(151)；When there is arcing fault in described first compartment (11), described gas outlet (150) is closed by described baffle plate of giving vent to anger (151)
Close to protect described ventilation unit (15).
3. switching device (1) as claimed in claim 1 it is characterised in that：Described first air inlet (110) is located at described switch
The front of device (1), and described gas outlet (150) are located at the top of described switching device (1).
4. switching device (1) as claimed in claim 1 it is characterised in that：Described first compartment (11) is handcart room, described the
Three compartments (14) are cable vault.
5. switching device (1) as claimed in claim 1 it is characterised in that：Described first compartment (11) is handcart room, described the
Two compartments (13) are bus-bar room.
6. switching device (1) as claimed in claim 1 it is characterised in that：Described pressure releasing chamber (12) has pressure relief device
(120), pressed gas discharge described switching device (1) from described pressure relief device (120).
7. switching device (1) as claimed in claim 1 it is characterised in that：Described first compartment (11) is handcart room；Described
Three compartments (14) are cable vault；Described second compartment (13) is bus-bar room.
8. switching device (1) as claimed in claim 1 it is characterised in that：Described first compartment (11) has the first pressure relief opening
(112), and described 3rd compartment (14) has the second pressure relief opening (142), wherein said first pressure relief opening (112), described second
Pressure relief opening (142) and blow vent (130) each lead to pressure releasing chamber (12)；Described first air inlet (110) has the first air flap
(111), described 3rd air inlet (140) has the second air flap (141), and described blow vent (130) has vent baffle
(131)；When there is arcing fault in described first compartment (11), described first air inlet (110) is kept off by described first air inlet
Plate (111) is closed and pressed gas is escaped from described first pressure relief opening (112)；When generation arcing in described 3rd compartment (14)
During fault, described 3rd air inlet (140) is closed by described second air flap (141) and pressed gas is let out from described second
Pressure mouth (142) effusion；When there is arcing fault in described second compartment (13), pressed gas escape from described blow vent (130)
Go out.
9. switching device (1) as claimed in claim 8 it is characterised in that：Described first pressure relief opening (112) has the first pressure release
Baffle plate (113)；And described second pressure relief opening (142) has the second pressure release baffle plate (143)；When generation in described first compartment (11)
During arcing fault, described second pressure relief opening (142) is closed and described blow vent (130) quilt by described second pressure release baffle plate (143)
Described vent baffle (131) is closed；When there is arcing fault in described 3rd compartment (14), described first pressure relief opening (112)
Closed by described first pressure release baffle plate (113) and described blow vent (130) is closed by described vent baffle (131)；When described
When there is arcing fault in two compartments (13), described first pressure relief opening (112) is closed and institute by described first pressure release baffle plate (113)
State the second pressure relief opening (142) to be closed by described second pressure release baffle plate (143).
10. switching device (1) as claimed in claim 9 it is characterised in that：Described gas outlet (150) has baffle plate of giving vent to anger
(151), when there is arcing fault in described first compartment (11), described gas outlet (150) are closed by described baffle plate of giving vent to anger (151)
Close to protect described ventilation unit (15).
11. switching devices (1) as claimed in claim 10 it is characterised in that：Described pressure releasing chamber (12) has pressure relief device
(120), pressed gas discharge described switching device (1) from described pressure relief device (120).
12. switching devices (1) as claimed in claim 11 it is characterised in that：Described first air inlet (110) is located at described opening
Close the front of device (1), described 3rd air inlet (140) is located at the back side of described switching device (1), and described gas outlet
(150) it is located at the top of described switching device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110166666.0A CN102842857B (en) | 2011-06-20 | 2011-06-20 | Switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110166666.0A CN102842857B (en) | 2011-06-20 | 2011-06-20 | Switch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102842857A CN102842857A (en) | 2012-12-26 |
| CN102842857B true CN102842857B (en) | 2017-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110166666.0A Active CN102842857B (en) | 2011-06-20 | 2011-06-20 | Switch device |
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| Country | Link |
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| CN (1) | CN102842857B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490310A (en) * | 2013-10-08 | 2014-01-01 | 国家电网公司 | Arc-leakage-preventing automatic control device of cable chamber ventilating duct |
| CN103715622B (en) * | 2013-12-31 | 2016-08-17 | 山西尚宽电气集团有限公司 | Fan heat dissipation structure for switch cabinet cable chamber |
| CN106384941A (en) * | 2016-09-28 | 2017-02-08 | 江苏天港箱柜有限公司 | High-current plateau type high-voltage fixed type switch cabinet |
| CN108233239A (en) * | 2017-12-21 | 2018-06-29 | 方晓妹 | A kind of high pressure equipment for power transmission and distribution pressure relief system |
| CN108680203A (en) * | 2018-05-28 | 2018-10-19 | 联誉信息股份有限公司 | Intelligent water utilities pipe network data acquisition terminal and its control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377110A (en) * | 2001-03-20 | 2002-10-30 | 西门子公司 | Power switch device with ventilating plant and ventilating plant with two ventilating components |
| CN101682178A (en) * | 2007-06-25 | 2010-03-24 | 三菱电机株式会社 | Metal-closed switch gear |
| CN201629505U (en) * | 2010-01-29 | 2010-11-10 | 上海天正机电(集团)有限公司 | Circulation radiator on high-capacity enclosed switchgear |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60170403A (en) * | 1984-02-13 | 1985-09-03 | 日新電機株式会社 | Enclosed switchboard |
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2011
- 2011-06-20 CN CN201110166666.0A patent/CN102842857B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377110A (en) * | 2001-03-20 | 2002-10-30 | 西门子公司 | Power switch device with ventilating plant and ventilating plant with two ventilating components |
| CN101682178A (en) * | 2007-06-25 | 2010-03-24 | 三菱电机株式会社 | Metal-closed switch gear |
| CN201629505U (en) * | 2010-01-29 | 2010-11-10 | 上海天正机电(集团)有限公司 | Circulation radiator on high-capacity enclosed switchgear |
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| Publication number | Publication date |
|---|---|
| CN102842857A (en) | 2012-12-26 |
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