CN106992454B - The indoor ac metal closing switch gear of armored withdraw type - Google Patents
The indoor ac metal closing switch gear of armored withdraw type Download PDFInfo
- Publication number
- CN106992454B CN106992454B CN201710235014.5A CN201710235014A CN106992454B CN 106992454 B CN106992454 B CN 106992454B CN 201710235014 A CN201710235014 A CN 201710235014A CN 106992454 B CN106992454 B CN 106992454B
- Authority
- CN
- China
- Prior art keywords
- cabinet body
- fluid cylinder
- room
- bus
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
Abstract
The invention discloses a kind of indoor ac metal closing switch gear of armored withdraw type, including cabinet body and protective device, protective device includes that four inner water tanks are contacted with cabinet body inner wall, and inner circulating tube and valve are equipped in inner water tank；Outer water tank is arranged on cabinet body outer wall, outer circulating tube, pump, valve are equipped in outer water tank, four inner circulating tubes are connected to outer circulating tube, four power cutoff mechanisms include funnel, connect fluid cylinder, multiple tension springs, water proof switch, waterproof jacket, obstruction head and multiple support columns, tension spring be set as：When it is in nature elongation state, the protrusion for connecing fluid cylinder is not contacted with water proof switch, and under stretching action, drive connects fluid cylinder towards water proof switch close to extremely triggering water proof switch, four Damp-proof boxs and three pressure relief devices.The present invention has the temperature for reducing component in cabinet body and cabinet body, protects component surface insulating materials, reduces air pressure and humidity in cabinet body, ensures user of service's safety, reduces the beneficial effect of the generation of safety accident.
Description
Technical field
The present invention relates to the indoor ac metal closing switch gear security fields of armored withdraw type.More specifically, this hair
It is bright to be related to a kind of indoor ac metal closing switch gear of armored withdraw type.
Background technique
The indoor ac metal closing switch gear of armored withdraw type is mainly used for power plant, medium and small generator power transmission, work
Mine enterprises and institutions distribution and the secondary substation of electric industry system by electricity, power transmission and Large-scale High-Pressure motor start-up etc., carry out control
System protection, monitoring be used, the switchgear of the prior art in the process of running, bus, breaker, cable and relay due to
The excessive temperature of electric current easily increases, and is chronically at high temperature condition its outer insulation material easy to damage, and there are security risks, and when disconnected
When Internal faults arc occurs for road device or main bus-bar, cable, with the appearance of electric arc, interior of the cabinet air pressure rises, and reaches certain
Operator can be damaged when pressure value, and if in spring, especially in southern region in use, the intracorporal humidity of cabinet
Larger, safety accident easily occurs for when use.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of indoor ac metal closing switch gears of armored withdraw type, can drop
The temperature of component in lowboy body and cabinet body protects component surface insulating materials, reduces air pressure and humidity in cabinet body, and guarantee makes
With personnel safety, the generation of safety accident is reduced.
In order to realize these purposes and other advantages according to the present invention, a kind of indoor exchange gold of armored withdraw type is provided
Belong to sealing switch equipment, including cabinet body and protective device, the cabinet body be separated into bus-bar room, circuit breaker cart room, cable vault and
Relay instrument room, the protective device include：
Four inner water tanks, be separately positioned on the bus-bar room, the circuit breaker cart room, the cable vault and it is described after
It in electrical instrumentation room, and contacts, inner circulating tube is equipped in the inner water tank and is arranged on inner circulating tube with the cabinet body inner wall
Valve；
Outer water tank is arranged on the cabinet body outer wall, and is covered on the two sides and top of the cabinet body, the outer water tank
Interior to be equipped with outer circulating tube, pump, valve, four inner circulating tubes are connected to the outer circulating tube, and the outer circulating tube is connected to water source,
The inner surface of the inner water tank and the outer water tank is laid with thermally conductive insulating layer；
Four power cutoff mechanisms, power cutoff mechanism are arranged in an inner water tank, the power cutoff mechanism include funnel,
It connects fluid cylinder, multiple tension springs, water proof switch, waterproof jacket, obstruction head and multiple support columns, the funnel to be vertically arranged, the upper end
Mouth edge is fixed along the inner water tank circumferential seal, and is located at below the inner circulating tube, and the fluid cylinder that connects is arranged in the leakage
Bucket lower section, the fluid cylinder upper surface that connects is equipped with an opening, and to accommodate the bottle neck of the funnel, the fluid cylinder lower end surface center that connects is set
There is a protrusion, described tension spring one end is fixed on the lower surface of the funnel, the other end is fixed on the upper surface for connecing fluid cylinder, institute
Obstruction head erect setting is stated, is in rounding mesa-shaped, is located in the funnel, and lower end surface is fixed on described connect by a stock
Fluid cylinder bottom, the stock pass through the bottle neck of the funnel, and the water proof switch setting is immediately below the protrusion, the waterproof
It being set in outside the water proof switch, the support column setting connects below fluid cylinder described, and is located at outside the waterproof jacket,
The water proof switch is electrically connected with the valve on the pump, the inner circulating tube and the outer circulating tube, wherein the tension spring is set
It is set to：When it is in nature elongation state, the protrusion for connecing fluid cylinder is not contacted with the water proof switch, in stretching action
Under, fluid cylinder is connect described in drive towards the water proof switch close to the water proof switch is triggered, the obstruction head is set as：It is described
It when tension spring is in nature elongation state, is not contacted with the funnel, after the protrusion triggers the water proof switch, blocks institute
The bottle neck of funnel is stated, the support column is set as：When the tension spring is in nature elongation state, connects fluid cylinder with described and do not connect
Touching, after the protrusion triggers the water proof switch, end face is abutted with the lower end surface for connecing fluid cylinder thereon；
Four Damp-proof boxs, be threaded through respectively the bus-bar room, the circuit breaker cart room, the cable vault and it is described after
Electrical instrumentation room, the Damp-proof box include box body and multiple hollow sticks, and box body one end sealing penetrates in the cabinet body, is another
End is located at outside the cabinet body, and described box body one end is equipped with dismountable sealing cover, and multiple hollow sticks are worn by multiple fixations
It is located at the box body other end, the fixing sleeve includes one of hollow sleeve, center symmetric setting on the sleeve lateral wall
To special-shaped slot, the slot is penetrated through along the axis direction of the sleeve, and the slot includes the big chamber of integrally formed connection
Part and small cavity segment, the radial cross-sectional shape of the slot is consistent, is connected on the hollow stick lateral wall by a pair of of fixed block
It is connected to a pair of special-shaped inserted link, the axis of a pair of of abnormity inserted link is parallel to the length direction of the hollow stick, and the inserted link includes one
The first part of body forming being relatively large in diameter, Part III diameter lesser second part and be relatively large in diameter, described first
Part and the Part III may pass through the big cavity segment of the slot, cannot pass through the small cavity segment of the slot, and described the
Two parts may pass through the small cavity segment of the slot, and desiccant is filled in the hollow stick, and the hollow stick surface is equipped with more
A pore, the partial size of the desiccant are greater than the aperture of the pore, the total volume of the desiccant in each hollow stick with
Hollow stick cavity volume ratio is 1:1~1.2, wherein length and the sleeve of the slot along the axis direction of the sleeve
Length it is consistent, and be slightly less than the length of the second part, the fixed block and the second part, the Part III are not
Contact, the box body are not contacted with the inner water tank, outer water tank；
Three pressure relief devices are separately positioned on the bus-bar room, the circuit breaker cart room and cable vault's side wall
On, the pressure relief device includes the tracheae being threaded through on the cabinet body side wall, is arranged on the tracheae outside the cabinet body
The relief valve in portion and the sheet metal being fixed on the relief valve, the sheet metal connect an electric wire, the freedom of the electric wire
End ground connection.
Preferably, further include：Eight temperature sensors are separately positioned on the bus-bar room, the circuit breaker cart
On the inner sidewall of room, the cable vault and the relay instrument room and the appearance of bus, breaker, cable and relay
On face, to measure corresponding temperature respectively；
Controller receives the temperature of the temperature sensor measurement and controls the start and stop of the pump；
When the bus-bar room of the temperature sensor measurement or the circuit breaker cart room or the cable vault or institute
When stating the temperature of the inner sidewall of relay instrument room higher than 50 DEG C, the controller controls the pump startup；
When the temperature on the bus or breaker or cable of the temperature sensor measurement or the outer surface of relay is high
When 75 DEG C, the controller controls the pump startup.
It preferably, further include alarm, when the bus-bar room or the breaker hand of the temperature sensor measurement
When the temperature of the inner sidewall of car room or the cable vault or the relay instrument room is higher than 65 DEG C, the controller controls institute
State alarm starting；
When the temperature on the bus or breaker or cable of the temperature sensor measurement or the outer surface of relay is high
When 85 DEG C, the controller controls the alarm starting.
Preferably, the thermally conductive insulating layer is aluminium-base plate insulating layer, with a thickness of 75~100 μm.
Preferably, the funnel, described connect fluid cylinder and the Damp-proof box is made of insulating material.
Preferably, the inner circulating tube includes column jacket and Duo Gen is threaded through inner tube in the column jacket, cylindrical,
The column jacket is parallel with the axis of said inner tube, said inner tube axis different from each other.
The present invention is include at least the following beneficial effects：
The first, by outer water tank and inner water tank, and circulating water supply, with take away bus-bar room, circuit breaker cart room, cable vault and
The heat of relay instrument room and cabinet body reaches to reduce the temperature of the components such as bus, breaker, cable and relay
To the purpose for protecting its surface insulation material, the security performance of the indoor ac metal closing switch gear of armored withdraw type is improved；
The second, power cutoff mechanism is set, the security risk as caused by inner circulating tube rupture can be eliminated, when inner circulating tube is broken
After splitting, the water in inner water tank can be flowed to along the bottle neck of funnel to be connect in fluid cylinder, when connecing the water in fluid cylinder and reaching a certain amount of, due to
Self weight increases, and the pulling force that tension spring can be overcome upward to its moves down, and one end is fixed on the stock meeting for connecing fluid cylinder at the same time
The obstruction head that is fixed on stock is driven to move down, after connecing fluid cylinder and being moved downward to protrusion and be triggered to water proof switch, waterproof
Switch disconnects, and the valve on pump, inner circulating tube and the outer circulating tube being connected electrically is closed, at this time inner circulating tube and outer circulating tube
In water will not be further added by, and at the same time, obstruction head is just moved down into the bottle neck of funnel, block bottle neck so that
The extra water of inner water tank cannot flow into still further below to be connect in fluid cylinder, so as not to hypervolia and overflowed in fluid cylinder from connecing, flow to waterproof
Around switch, while the lower end surface for connecing fluid cylinder is just connected to the upper surface of support column, overweight so as to prevent from connecing fluid cylinder
And damage water proof switch, in conclusion the water blockage that power cutoff mechanism can overflow major part from inner circulating tube is in inner water tank
Funnel above cavity in, while valve and pump can be closed, can be in order to avoid continue growing the water of cavity above inner water tank
It prevents water from entering water proof switch, it is short-circuit to make water proof switch, and prevent from connecing fluid cylinder damage water proof switch, reach and protect waterproof
The effect of switch；
Third, Damp-proof box can quickly siphon away the intracorporal moisture of cabinet, make to keep drying in cabinet body, prevent from leaking electricity, and
The replacement of desiccant will not influence the normal operation of equipment, be simply readily accomplished woth no need to pass hull closure, when replacement, it is only necessary to beat
Sealing cover is opened, is protruded into box body, hollow stick is rotated, so that the lesser second part of the diameter of inserted link is located at the big cavity portion of slot
Point, it then extracts out, original hollow stick can be split out outward along the axis direction of fixing sleeve again, be then loaded with new newly
The hollow stick of desiccant be reinstalled；
When Internal faults arc occurs for the 4th, main bus-bar or breaker, cable, interior of the cabinet air pressure rises certain pressure value
When, relief valve can be automatically opened, air pressure in cabinet body is reduced, prevents from damaging operator；
It 5th, can be according to bus-bar room, circuit breaker cart room, cable vault and relay instrument room and bus, open circuit
The actual temp situation of device, cable and relay, the selective circulation for starting or stoping water flow, to reach water conservation, use
The effect of electricity, at the same can also reduce relevant apparatus such as pump, the frequency of use of inner circulating tube and outer circulating tube etc., prolonged with reaching
The purpose of long life；
6th, due to the temperature when bus-bar room or circuit breaker cart room or cable vault or the inner sidewall of relay instrument room
When degree is higher than 65 DEG C or when the temperature of bus or breaker or cable or relay is higher than 85 DEG C, explanation be may have occurred
Abnormality, such as inner circulating tube damage or magnitude of current exception, and at 85 DEG C or more, to most of insulating materials
Damage it is larger, such as handle not in time, when may cause bigger safety accident, therefore meeting this situation, alarm can from
Dynamic and alarm, to remind the timely handling failure of personnel.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is entirety perspective view of the invention；
Fig. 2 is whole front view of the invention；
Fig. 3 is inner water tank detailed structure schematic diagram of the invention；
Fig. 4 is Damp-proof box detailed structure schematic diagram of the invention；
Fig. 5 is fixing sleeve and hollow stick connection schematic diagram of the invention；
Fig. 6 is the radial cross section of fixing sleeve of the invention；
Fig. 7 is the side schematic view of hollow stick of the invention；
Fig. 8 is inner circulating tube detailed structure schematic diagram of the invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be noted that in the description of the present invention, term " on ", "lower", "vertical", "top", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this hair
Bright and simplified description, is not that the device of indication or suggestion meaning or element must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
As shown in Fig. 1~8, the present invention provides a kind of indoor ac metal closing switch gear of armored withdraw type, including cabinet
Body 10 and protective device, the cabinet body 10 are separated into bus-bar room 1, circuit breaker cart room 2, cable vault 3 and relay instrument room 4,
The protective device includes：
Four inner water tanks 5 are separately positioned on the bus-bar room 1, the circuit breaker cart room 2, the cable vault 3 and institute
It states in relay instrument room 4, and is contacted with 10 inner wall of cabinet body, inner circulating tube 51 is equipped in the inner water tank 5 and setting exists
Valve on inner circulating tube 51；Water takes away bus-bar room 1, circuit breaker cart room 2, cable vault 3 and relay after flowing through inner circulating tube 51
Heat in instruments and meters room 4, to reduce first device in bus-bar room 1, circuit breaker cart room 2, cable vault 3 and relay instrument room 4
The temperature of part, especially bus, breaker, cable and relay current are excessive, and temperature easily increases；
Outer water tank 6 is arranged on 10 outer wall of cabinet body, and is covered on the two sides and top of the cabinet body 10, described
Outer circulating tube 61, pump, valve are equipped in outer water tank 6, four inner circulating tubes 51 are connected to the outer circulating tube 61, described to follow outside
Endless tube 61 is connected to water source, and water is to flow through outer circulating tube 61, described interior to reduce by 10 temperature of cabinet body to take away the heat of cabinet body 10
The inner surface of water tank 5 and the outer water tank 6 is laid with thermally conductive insulating layer 63, to prevent water from inner circulating tube 51 or outer circulating tube
61 overflow and contact generation electric leakage or short trouble with component；
Four power cutoff mechanisms, a power cutoff mechanism are arranged in an inner water tank 5, and the power cutoff mechanism includes funnel
71, fluid cylinder 72, multiple tension springs 73, water proof switch 74, waterproof jacket 75, obstruction head 77 and multiple support columns 78, the funnel are connect
71 are vertically arranged, and port edge is fixed along 5 circumferential seal of inner water tank thereon, and are located at 51 lower section of inner circulating tube, institute
It states and connects the setting of fluid cylinder 72 below the funnel 71,72 upper surface of fluid cylinder that connects is equipped with an opening, to accommodate the funnel 71
Bottle neck, if inner circulating tube 51 ruptures, the water of spilling can be flowed into from the bottle neck of funnel 71 and be connect in fluid cylinder 72, described to connect fluid cylinder
72 lower end surfaces center are equipped with a protrusion 76, and described 73 one end of tension spring is fixed on the lower surface of the funnel 71, the other end is fixed on
The upper surface for connecing fluid cylinder 72, if connect fluid cylinder 72 undertaking water it is more than enough tension spring 73 can be overcome to its upward pulling force and
It moves down, the obstruction head 77 is vertically arranged, and is in rounding mesa-shaped, is located in the funnel 71, and lower end surface passes through one
Stock 79 be fixed on it is described connect 72 bottom of fluid cylinder, the stock 79 passes through the bottle neck of the funnel 71, when connecing fluid cylinder 72 to moving down
When dynamic certain distance, obstruction head 77 can block the bottle neck of funnel 71, flow into the water for being located at 71 top of funnel can not again and connect liquid
In cylinder 72, the water proof switch 74 setting is immediately below described raised 76, when connecing fluid cylinder 72 and moving down certain distance, protrusion
76 can trigger water proof switch 74, disconnect water proof switch 74, and the waterproof jacket 75 is set in outside the water proof switch 74, with
Prevent water from contacting water proof switch 74, the setting of support column 78 connects below fluid cylinder 72 described, and is located at the waterproof jacket 75
Outside, after connecing fluid cylinder 72 and moving down certain distance and trigger water proof switch 74, lower end surface can be connected to support column 78
Upper surface on, continue to oppress water proof switch 74 downwards to prevent from connecing fluid cylinder 72, play the role of protective switch, the waterproof is opened
74 are closed to be electrically connected with the valve on the pump, the inner circulating tube 51 and the outer circulating tube 61, after water proof switch 74 disconnects,
Valve on pump, inner circulating tube 51 and outer circulating tube 61 is turned off, no longer to convey water in outer circulating tube 61 and inner circulating tube 51,
Prevent dilutional hyponatremia from overflowing from inner circulating tube 51 and damaging inner water tank 5 and its internal structure, wherein the tension spring 73 is set as：
When it is in nature elongation state, the protrusion 76 for connecing fluid cylinder 72 is not contacted with the water proof switch 74, in stretching action
Under, fluid cylinder 72 is connect described in drive towards the water proof switch 74 close to the water proof switch 74 is triggered, that is, is connect in fluid cylinder 72 not
When aqueous, protrusion 76 does not contact water proof switch 74, and water proof switch 74 is closure, and the obstruction head 77 is set as：The tension spring 73
When in nature elongation state, do not contacted with the funnel 71, after raised 76 triggering water proof switch 74, obstruction
The bottle neck of the funnel 71, the support column 78 are set as：When the tension spring 73 is in nature elongation state, liquid is connect with described
Cylinder 72 does not contact, and after raised 76 triggering water proof switch 74, end face is abutted with the lower end surface for connecing fluid cylinder 72 thereon；
Four Damp-proof boxs are threaded through the bus-bar room 1, the circuit breaker cart room 2, the cable vault 3 and institute respectively
Relay instrument room 4 is stated, the Damp-proof box includes box body 81 and multiple hollow sticks 82, and 81 one end of box body sealing penetrates described
Cabinet body 10 is interior, the other end is located at outside the cabinet body 10, and described 81 one end of box body is equipped with dismountable sealing cover 83, multiple hollow
Stick 82 is threaded through 81 other end of box body by multiple fixing sleeves 84, does not need to open cabinet body 10, directly opening sealing cover 83,
Hollow stick 82 can be replaced, the fixing sleeve 84 includes hollow sleeve 841, center symmetric setting in 841 lateral wall of sleeve
On the special-shaped slot 842 of a pair, the slot 842 penetrates through along the axis direction of the sleeve 841, and the slot 842 includes one
The big cavity segment and small cavity segment of the connection of body forming, the radial cross-sectional shape of the slot 842 is consistent, outside the hollow stick 82
A pair of special-shaped inserted link is connected with by a pair of of fixed block 821 on side wall, the axis of a pair of of abnormity inserted link is parallel to the hollow stick
82 length direction, the inserted link include the integrally formed first part 822 being relatively large in diameter, the lesser second part of diameter
823 and the Part III 824 that is relatively large in diameter, the first part 822 and the Part III 824 may pass through the slot
842 big cavity segment, the small cavity segment that cannot pass through the slot 842, the second part 823 may pass through the slot 842
Small cavity segment, hollow stick 82 is protruded into fixing sleeve 84 along the axis direction of fixing sleeve 84, and make the diameter of inserted link compared with
Big Part III 824 is inserted into along the axis direction of fixing sleeve 84 and is pierced by the big cavity segment of slot 842, the second part of inserted link
After 823 are placed exactly in the big cavity segment of slot 842, hollow stick 82 is rotated, so that the second part 823 of inserted link is placed exactly in slot
842 small cavity segment, the first part 822 of inserted link and Part III 824 are just stuck in the two of the small cavity segment of slot 842 at this time
Hollow stick 82, can be fixed on fixing sleeve 84 by end, be filled with desiccant 85,82 table of hollow stick in the hollow stick 82
Face is equipped with multiple pores, and the partial size of the desiccant 85 is greater than the aperture of the pore, so that the moisture in cabinet body 10 can be from
Pore enters in desiccant 85, and total volume and the 82 cavity volume ratio of hollow stick of the desiccant 85 in each hollow stick 82 are
1:1~1.2, desiccant 85 can expand after absorbing water, and in order to avoid it bursts hollow stick 82, and hollow stick 82 will not be made to replace
Frequency is too high, and experimental calculation goes out optimum volume ratio；Wherein, the slot 842 along the axis direction of the sleeve 841 length with
The length of the sleeve 841 is consistent, and is slightly less than the length of the second part 823, so that the first part 822 of inserted link and
Three parts 824 are just stuck in the both ends of the small cavity segment of slot 842, the fixed block 821 and the second part 823, described the
Three parts 824 do not contact, so that fixed block 821 will not influence the movement of second part 823 and Part III 824, the box body
81 do not contact with the inner water tank 5, outer water tank 6, interfere to avoid Damp-proof box and inner water tank 5, outer water tank 6；
Three pressure relief devices are separately positioned on 3 side of the bus-bar room 1, the circuit breaker cart room 2 and the cable vault
On wall, the pressure relief device includes the tracheae being threaded through on 10 side wall of cabinet body, is arranged on the tracheae positioned at the cabinet
Relief valve 9 outside body 10 and the sheet metal being fixed on the relief valve 9, main bus-bar or breaker, cable occur internal
When fault electric arc, when 10 air pressure inside of cabinet body rises certain pressure value, relief valve 9 can be automatically opened, reduces gas in cabinet body 10
Pressure, prevents from damaging operator, and the sheet metal connects an electric wire, the free ending grounding of the electric wire；It is let out with eliminating
The electrostatic of pressure device, avoids electrostatic from injuring.
In the above-mentioned technical solutions, bus, breaker, cable and relay are easily increased due to the excessive temperature of electric current, can be damaged
The insulating materials of bad component, causes security risk, by outer water tank 6 and inner water tank 5, and circulating water supply, to take away bus-bar room
1, the heat of circuit breaker cart room 2, cable vault 3 and relay instrument room 4 and cabinet body 10, thus reduce bus, breaker,
The temperature of the components such as cable and relay achievees the purpose that protect its surface insulation material, improves the indoor friendship of armored withdraw type
Flow the security performance of metal enclosed switchgear；
Power cutoff mechanism is set, security risk caused by rupturing as inner circulating tube 51 can be eliminated, when inner circulating tube 51 is broken
It splits, the water in inner water tank 5 can be flowed to along the bottle neck of funnel 71 and be connect in fluid cylinder 72, reach a certain amount of when connecing the water in fluid cylinder 72
When, since self weight increases, the pulling force that tension spring 73 can be overcome upward to its is moved down, and one end, which is fixed on, at the same time connects fluid cylinder
72 stock 79 will drive the obstruction head 77 being fixed on stock 79 and move down, and be moved downward to 76 touching of protrusion when connecing fluid cylinder 72
After being dealt into water proof switch 74, water proof switch 74 is disconnected, the valve on pump, inner circulating tube 51 and outer circulating tube 61 being connected electrically
Close, the water in inner circulating tube 51 and outer circulating tube 61 will not be further added by this time, and at the same time, obstruction head 77 just to
It is moved to the bottle neck of funnel 71, blocks bottle neck, prevent the extra water of inner water tank 5 connects in fluid cylinder 72 from flowing into still further below,
In order to avoid hypervolia and overflowed in fluid cylinder 72 from connecing, flow to around water proof switch 74, while connecing the lower end surface of fluid cylinder 72 just
It is connected to the upper surface of support column 78, it is overweight and damage water proof switch 74 so as to prevent from connecing fluid cylinder 72, in conclusion disconnected
Motor structure can by major part from the water blockage that inner circulating tube 51 overflows in the top cavity of inner water tank 5, while can close
Valve and pump can also prevent water from entering water proof switch 74, make waterproof in order to avoid continuing growing the water of 5 top cavity of inner water tank
74 short circuit of switch, and prevent from connecing the damage water proof switch 74 of fluid cylinder 72, have the function that protect water proof switch 74；
If counter tide phenomenon is serious in southern spring, this will cause electrical equipment very big security risk, such as
Electric leakage, due to very big by bus, breaker, cable and relay current, the electrical leakage quantity caused is accordingly just big, can be to close
The people of equipment or other animals cause great damage, and the present invention is provided with Damp-proof box thus, can quickly siphon away in cabinet body 10
Moisture, make to keep drying in cabinet body 10, prevent from leaking electricity, and the replacement of desiccant 85 does not need pass hull closure, will not influence
The normal operation of equipment, is simply readily accomplished, when replacement, it is only necessary to open sealing cover 83, protrude into box body 81, rotate hollow stick
82, so that the lesser second part 823 of the diameter of inserted link is located at the big cavity segment of slot 842, then again along fixing sleeve 84
Axis direction is extracted out outward, can split out original hollow stick 82, then by the new hollow stick for being loaded with new desiccant 85
82 are reinstalled；
In another technical solution, further include：Eight temperature sensors are separately positioned on the bus-bar room 1, described
On the inner sidewall of circuit breaker cart room 2, the cable vault 3 and the relay instrument room 4 and bus, breaker, cable and
On the outer surface of relay, to measure corresponding temperature respectively；
Controller receives the temperature of the temperature sensor measurement and controls the start and stop of the pump；
When the bus-bar room 1 of the temperature sensor measurement or the circuit breaker cart room 2 or the cable vault 3,
Or the temperature of the inner sidewall of the relay instrument room 4, when being higher than 50 DEG C, the controller controls the pump startup, i.e., in circulation
There is water flow process in pipe 51 and outer circulating tube 61, implements its cooling function；
When the temperature on the bus or breaker or cable of the temperature sensor measurement or the outer surface of relay is high
When 75 DEG C, the controller controls the pump startup.
It in the above-mentioned technical solutions, can be according to bus-bar room 1, circuit breaker cart room 2, cable vault 3 and relay instrument room
4 and bus, breaker, cable and relay actual temp situation, the selective circulation for starting or stoping water flow, with
Have the function that water conservation, electricity consumption, at the same can also reduce relevant apparatus such as pump, inner circulating tube 51 and outer circulating tube 61 etc.
Frequency of use, to achieve the purpose that prolong the service life.
Further include alarm in another technical solution, when the temperature sensor measurement the bus-bar room 1 or
When the temperature of the inner sidewall of the circuit breaker cart room 2 or the cable vault 3 or the relay instrument room 4 is higher than 65 DEG C,
The controller controls the alarm starting；
When the temperature on the bus or breaker or cable of the temperature sensor measurement or the outer surface of relay is high
When 85 DEG C, the controller controls the alarm starting.
In the above-mentioned technical solutions, due to when bus-bar room 1 or circuit breaker cart room 2 or cable vault 3 or relay instruments and meters
When the temperature of the inner sidewall of room 4 is higher than 65 DEG C or the temperature of bus or breaker or cable or relay is higher than 85 DEG C
When, illustrate to may have occurred abnormality, for example inner circulating tube 51 has not worked or the magnitude of current is abnormal, and at 85 DEG C
It is larger to the damage of most of insulating materials when above, it such as handles not in time, may cause bigger safety accident, therefore
When this occurs, alarm can automatic and alarm, to remind the timely handling failure of personnel.
In another technical solution, the thermally conductive insulating layer 63 is aluminium-base plate insulating layer, with a thickness of 75~100 μm.Aluminium
Substrate good insulating, thermal conductivity is good, and certain thickness is arranged to reach good insulating properties, and does not influence heat from 10 wall of cabinet body
In incoming inner circulating tube 51 and outer circulating tube 61, the heat dissipation of cabinet body 10 is not influenced.
In another technical solution, the funnel 71, the fluid cylinder 72 and the Damp-proof box of connecing are by insulating materials
It is made, to avoid conduction.
In another technical solution, the inner circulating tube 51 includes that column jacket 511 and Duo Gen are threaded through in the column jacket 511
Inner tube 512, cylindrical, the column jacket 511 is parallel with the axis of said inner tube 512, and said inner tube 512 is different from each other
Axis will not influence normal use when inner tube 512 ruptures, and only when column jacket 511 ruptures, can just there are flowing out, such setting can
Extend making for inner circulating tube 51 to reduce water flow to the impact force of column jacket so as to promote the security performance of inner circulating tube 51
Use the service life.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (6)
1. a kind of indoor ac metal closing switch gear of armored withdraw type, including cabinet body and protective device, the cabinet body separates
At bus-bar room, circuit breaker cart room, cable vault and relay instrument room, which is characterized in that the protective device includes：
Four inner water tanks are separately positioned on the bus-bar room, the circuit breaker cart room, the cable vault and the relay
It in control room, and is contacted with the cabinet body inner wall, equipped with inner circulating tube and the valve being arranged on inner circulating tube in the inner water tank
Door；
Outer water tank is arranged on the cabinet body outer wall, and is covered on the two sides and top of the cabinet body, sets in the outer water tank
There are outer circulating tube, pump, valve, four inner circulating tubes are connected to the outer circulating tube, and the outer circulating tube is connected to water source, described
The inner surface of inner water tank and the outer water tank is laid with thermally conductive insulating layer；
Four power cutoff mechanisms, a power cutoff mechanism are arranged in an inner water tank, and the power cutoff mechanism includes funnel, connects liquid
Cylinder, multiple tension springs, water proof switch, waterproof jacket, obstruction head and multiple support columns, the funnel are vertically arranged, thereon port side
Edge is fixed along the inner water tank circumferential seal, and is located at below the inner circulating tube, and the fluid cylinder that connects is arranged under the funnel
Side, the fluid cylinder upper surface that connects is equipped with an opening, and to accommodate the bottle neck of the funnel, the fluid cylinder lower end surface center that connects is equipped with one
Protrusion, described tension spring one end is fixed on the lower surface of the funnel, the other end is fixed on the upper surface for connecing fluid cylinder, the resistance
Chock plug is vertically arranged, be in rounding mesa-shaped, be located at the funnel in, and lower end surface by a stock be fixed on described in connect fluid cylinder
Bottom, the stock pass through the bottle neck of the funnel, and the water proof switch setting is immediately below the protrusion, the waterproof jacket set
It is located at outside the water proof switch, the support column setting connects below fluid cylinder described, and is located at outside the waterproof jacket, described
Water proof switch is electrically connected with the valve on the pump, the inner circulating tube and the outer circulating tube, wherein the tension spring setting
For：When it is in nature elongation state, the protrusion for connecing fluid cylinder is not contacted with the water proof switch, under stretching action,
Fluid cylinder is connect described in drive towards the water proof switch close to the water proof switch is triggered, the obstruction head is set as：The drawing
It when spring is in nature elongation state, is not contacted with the funnel, after the protrusion triggers the water proof switch, described in obstruction
The bottle neck of funnel, the support column are set as：When the tension spring is in nature elongation state, connects fluid cylinder with described and does not contact,
After the protrusion triggers the water proof switch, end face is abutted with the lower end surface for connecing fluid cylinder thereon；
Four Damp-proof boxs are threaded through the bus-bar room, the circuit breaker cart room, the cable vault and the relay respectively
Control room, the Damp-proof box include box body and multiple hollow sticks, and box body one end sealing penetrates in the cabinet body, other end position
Outside the cabinet body, described box body one end is equipped with dismountable sealing cover, and multiple hollow sticks are threaded through by multiple fixing sleeves
The box body other end, the fixing sleeve include that a pair of hollow sleeve, center symmetric setting on the sleeve lateral wall is different
Shape slot, the slot are penetrated through along the axis direction of the sleeve, and the slot includes the big cavity segment of integrally formed connection
It is consistent with the radial cross-sectional shape of small cavity segment, the slot, it is connected on the hollow stick lateral wall by a pair of fixed block
A pair of of abnormity inserted link, the axis of a pair of of abnormity inserted link are parallel to the length direction of the hollow stick, the inserted link include one at
The first part of shape being relatively large in diameter, Part III diameter lesser second part and be relatively large in diameter, the first part
It may pass through the big cavity segment of the slot with the Part III, cannot pass through the small cavity segment of the slot, described second
Divide the small cavity segment that may pass through the slot, desiccant is filled in the hollow stick, the hollow stick surface is equipped with multiple thin
Hole, the partial size of the desiccant are greater than the aperture of the pore, the total volume of the desiccant in each hollow stick with it is hollow
Stick cavity volume ratio is 1:1~1.2, wherein the slot is along the length of the axis direction of the sleeve and the length of the sleeve
Degree is consistent, and is slightly less than the length of the second part, and the fixed block does not connect with the second part, the Part III
Touching, the box body are not contacted with the inner water tank, outer water tank；
Three pressure relief devices are separately positioned on the bus-bar room, the circuit breaker cart room and cable vault's side wall, institute
Pressure relief device is stated to include the tracheae being threaded through on the cabinet body side wall, letting out outside the cabinet body on the tracheae is arranged in
Pressure valve and the sheet metal being fixed on the relief valve, the sheet metal connect an electric wire, and the electric wire freely terminates
Ground.
2. the indoor ac metal closing switch gear of armored withdraw type as described in claim 1, which is characterized in that further include：
Eight temperature sensors are separately positioned on the bus-bar room, the circuit breaker cart room, the cable vault and the relay
On the inner sidewall of control room and bus, breaker, cable and relay outer surface on, to measure corresponding temperature respectively；
Controller receives the temperature of the temperature sensor measurement and controls the start and stop of the pump；
When the bus-bar room of the temperature sensor measurement or the circuit breaker cart room or the cable vault or it is described after
When the temperature of the inner sidewall of electrical instrumentation room is higher than 50 DEG C, the controller controls the pump startup；
When the temperature on the bus or breaker or cable of the temperature sensor measurement or the outer surface of relay is higher than 75
DEG C when, the controller controls the pump startup.
3. the indoor ac metal closing switch gear of armored withdraw type as claimed in claim 2, which is characterized in that further include report
Alert device, when the bus-bar room of the temperature sensor measurement or the circuit breaker cart room or the cable vault or described
When the temperature of the inner sidewall of relay instrument room is higher than 65 DEG C, the controller controls the alarm starting；
When the temperature on the bus or breaker or cable of the temperature sensor measurement or the outer surface of relay is higher than 85
DEG C when, the controller controls the alarm starting.
4. the indoor ac metal closing switch gear of armored withdraw type as described in claim 1, which is characterized in that described thermally conductive
Insulating layer is aluminium-base plate insulating layer, with a thickness of 75~100 μm.
5. the indoor ac metal closing switch gear of armored withdraw type as described in claim 1, which is characterized in that the leakage
Bucket described connects fluid cylinder and the Damp-proof box is made of insulating material.
6. the indoor ac metal closing switch gear of armored withdraw type as described in claim 1, which is characterized in that followed in described
Endless tube includes column jacket and Duo Gen is threaded through the inner tube in the column jacket, cylindrical, the axis of the column jacket and said inner tube
In parallel, said inner tube axis different from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235014.5A CN106992454B (en) | 2017-04-12 | 2017-04-12 | The indoor ac metal closing switch gear of armored withdraw type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235014.5A CN106992454B (en) | 2017-04-12 | 2017-04-12 | The indoor ac metal closing switch gear of armored withdraw type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106992454A CN106992454A (en) | 2017-07-28 |
| CN106992454B true CN106992454B (en) | 2018-11-16 |
Family
ID=59416270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710235014.5A Active CN106992454B (en) | 2017-04-12 | 2017-04-12 | The indoor ac metal closing switch gear of armored withdraw type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106992454B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834380B (en) * | 2017-12-01 | 2019-06-28 | 新沂市五联电气科技有限公司 | A kind of electrical anomaly early warning electric cabinet based on smart home device |
| CN114709745B (en) * | 2022-04-29 | 2022-10-21 | 山东汇能电气有限公司 | Pressure relief structure and pressure relief method for safety explosion prevention of inflatable cabinet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842210A (en) * | 1981-09-07 | 1983-03-11 | Mitsubishi Electric Corp | Electric apparatus |
| CN202308892U (en) * | 2011-10-25 | 2012-07-04 | 沈阳华德海泰电器有限公司 | Device for integrating desiccant storage box and pressure release component |
| CN103441434B (en) * | 2013-08-27 | 2016-06-08 | 国家电网公司 | A kind of heat radiation dedusting power distribution cabinet |
| CN103683013A (en) * | 2013-12-03 | 2014-03-26 | 国网河南省电力公司商丘供电公司 | Terminal box |
-
2017
- 2017-04-12 CN CN201710235014.5A patent/CN106992454B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106992454A (en) | 2017-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208315367U (en) | A kind of Full-enclosed oil-immersed transformer multifunctional protection device | |
| CN106992454B (en) | The indoor ac metal closing switch gear of armored withdraw type | |
| TWI508402B (en) | Terminal apparatus of superconducting device | |
| CN108194827B (en) | Insulating gas treatment device and control method thereof | |
| CN103336232B (en) | A kind of pick-up unit | |
| CN205049183U (en) | Sulfur hexafluoride switchgear synthesizes device of on -line monitoring and control | |
| TWI508403B (en) | Terminal apparatus of superconducting device | |
| CN203367844U (en) | Cable branching cabinet air box | |
| CN201796803U (en) | Automatic insulating device of tank type high-voltage circuit breaker | |
| CN103928273A (en) | Insulation closed type intelligent fuse | |
| CN105703257B (en) | Solid insulation ring main unit | |
| CN107449525A (en) | A kind of overtemperature warns box | |
| CN204017214U (en) | Transformer fire hydrant cabinet oil draining nitrogen filling interlinked mechanism | |
| CN205549657U (en) | A cold -trap for gas separation | |
| CN204017213U (en) | Oil-filled transformer oil draining nitrogen filling mechanism | |
| CN209298579U (en) | A kind of passive self-extinguishing switchgear | |
| CN208571248U (en) | It is a kind of can self-extinguishing power switch cabinet | |
| CN207234270U (en) | A kind of all insulation air ring main unit | |
| CN207147662U (en) | A kind of overtemperature warns box | |
| CN203690787U (en) | Pressure release device of totally-enclosed gas-insulated high-voltage switchgear | |
| CN208719841U (en) | Low-temperature storage tank remote monitoring alarm device | |
| CN112747970A (en) | Direct oil sampling device in on-load switch box body | |
| CN108010283B (en) | A kind of oil depot tank farm oil leakage monitor | |
| CN206349326U (en) | A kind of automatically reset adjustable breaker | |
| CN108695693A (en) | It is a kind of can self-extinguishing power switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |