CN208738714U - A kind of SF6Breaker on-load air charging system - Google Patents
A kind of SF6Breaker on-load air charging system Download PDFInfo
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- CN208738714U CN208738714U CN201821571757.6U CN201821571757U CN208738714U CN 208738714 U CN208738714 U CN 208738714U CN 201821571757 U CN201821571757 U CN 201821571757U CN 208738714 U CN208738714 U CN 208738714U
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- breaker
- valve
- way pressure
- pressure valve
- cabinet
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Abstract
The utility model discloses a kind of SF6Breaker on-load air charging system, it includes charge valve, valve body connecting leg, one-way pressure valve I, high-voltage explosion-proof sebific duct, one-way pressure valve II, charge valve is mounted on breaker body, it is connected with the charging compartment of breaker, valve body connecting leg both ends are separately connected charge valve and one-way pressure valve I, high-voltage explosion-proof sebific duct is connect with one-way pressure valve I and one-way pressure valve II respectively by connector, high-voltage explosion-proof sebific duct is walked pipe along breaker cabinet and panel side and is fixed on above breaker cabinet and panel side, finally cabinet body is led to from upper panel, Field Force can be in the case where not opening cabinet door and not exiting breaker, make-up gas is carried out to breaker in time, it ensure that the safe operation of personal safety and equipment and route, and structure design is more rationally reliable, facilitate and can avoid breaker while inflation because valve body is led The gas leakage of cause, double insurance, double protection keep the device relatively reliable.
Description
Technical field
The utility model relates to the breaker apparatus field in power industry, specially a kind of SF6Breaker on-load
Air charging system.
Background technique
Current existing indoor HVAC SF6Breaker in the process of running, once the phenomenon that leaks air, can only will be breaking
Device separating brake is moved back to progress make-up gas outside cabinet body, when breaker is in operating position, when in combined floodgate operational process, once
After leaking air and leading to locking, if wanting to inflate or repair, it is necessary to which breaking higher level's route makes whole section of mother where gas leakage breaker
After line power-off, ability separating brake exits the SF of gas leakage6Breaker.It is not only cumbersome in this way, it is often more important that influence terminal electricity consumption
The safe and reliable operation of equipment causes very huge economic loss；When breaker is in operating position, when being in gate-dividing state, once
Leak air phenomenon, since SF can not be replenished in time6Gas is to safe pressure range, it is easy to circuit breaker internal interpolar be caused to put
Electricity even results in breaker explosion, jeopardizes whole section of the route even safe operation of higher level's route, causes unnecessary injures and deaths and difficulty
With the loss of estimation.And current charge operation is usually to break upper level switch, after whole section of bus is powered off, uses special tool
After tool or dismounting circuit breaker panel carry out manual brake separating, then breaker is removed and is inflated, not only influences terminal electrical equipment in this way
Safe and reliable operation, and greatly inconvenient and economic loss is also resulted in locality life and production；Assuming that wanting livewire work
Inflation, then the leakproofness and practicability to air charging system have strict demand.
Summary of the invention
The purpose of this utility model seeks to provide a kind of SF6Breaker on-load air charging system, realizes LTK-
Once 40.5 breaker gas leakage or pressure reduction, Field Force can in the case where not opening cabinet door and not exiting breaker,
Make-up gas is carried out to breaker in time, ensure that the safe operation of personal safety and equipment and route, and the structure designs
It is more rationally reliable, it can avoid breaker while facilitating inflation because of gas leakage caused by valve body, double insurance, double protection makes this
Device is relatively reliable.
For achieving the above object, technical solution adopted in the utility model are as follows:
A kind of SF6Breaker on-load air charging system, it includes charge valve, valve body connecting leg, one-way pressure valve I, high pressure
Explosion-proof sebific duct, one-way pressure valve II, charge valve is mounted on breaker body, is connected with the charging compartment of breaker, valve body connects
Pipe both ends are separately connected charge valve and one-way pressure valve I, and connector is installed at high-voltage explosion-proof sebific duct both ends, by connector respectively with
One-way pressure valve I and one-way pressure valve II connect, and high-voltage explosion-proof sebific duct is walked pipe along breaker cabinet and panel side and is fixed on
Above breaker cabinet and panel side, cabinet body finally is led to from upper panel.
The one-way pressure valve II is movably fixed on the outside of cabinet door or in control room after drawing, convenient for docking inflation source.
When breaker under normal operating conditions, internal gas pressure reduce when, can be supplemented at any time by this device
SF6Gas.The SF for providing user for oneself is needed first6Gas and gas tube connect, then will be after gas tube and the docking of one-way pressure valve II
It is connected firmly, i.e., openable gas cylinder is inflated.After opening gas cylinder, the pressure outside one-way pressure valve II will be slow rising,
When the pressure inside external pressure is greater than high-voltage explosion-proof sebific duct, one-way pressure valve II is opened, the SF in gas cylinder6Gas enters
It is unidirectional to press when the pressure inside high-voltage explosion-proof sebific duct rises and is greater than arc extinguishing chamber internal pressure at this time inside high-voltage explosion-proof sebific duct
Power valve I is opened, thus by the SF in gas cylinder6Gas is filled into inside arc-chutes, to realize that fuser belt load is inflated.Work as tonifying Qi
After the completion, directly one-way pressure valve and external inflation pipeline are disconnected, at this time since one-way pressure valve external pressure disappears,
Can moment automatic-sealed, while I pressure at both sides of one-way pressure valve is equal, also can moment automatic-sealed, so far tonifying Qi process is completed.
One-way pressure valve I and one-way pressure valve II are check valve, its working principle is that when external pressure is greater than inside
Pressure when, can just open inflation, if external pressure disappear or internal pressure be more than or equal to external pressure, which can wink
Between be automatically performed sealing, to prevent gas leak phenomenon.
Once the utility model has the following beneficial effects: breaker gas leakage or pressure reduction, Field Force can not opened
Cabinet door and in the case where not exiting breaker, carries out make-up gas to breaker in time, ensure that personal safety and equipment and line
The safe operation on road；The electrification air charging system structure is simple, and all components are included by breaker, easy and safe to operate；It should
Inflation valve body used in on-load air charging system is check valve, and two check valves are used in series, and not only may be used in this way
It is entered inside arc-chutes to avoid extraneous air and hydrone, also can avoid breaker because of gas leakage caused by valve body, it is dual
Insurance, double protection keep the device relatively reliable.
Detailed description of the invention
Fig. 1 is the utility model embodiment testing position structural schematic diagram.
Specific embodiment
A kind of SF as shown in drawings6Breaker on-load air charging system, it includes charge valve 2, valve body connecting leg 3, list
To pressure valve I 4, high-voltage explosion-proof sebific duct 6, one-way pressure valve II 8, charge valve is mounted on breaker body 1, with filling for breaker
Air bound room is connected, and 3 both ends of valve body connecting leg are separately connected charge valve 2 and one-way pressure valve I 3, and the installation of 6 both ends of high-voltage explosion-proof sebific duct connects
Connector 5 is connect with one-way pressure valve I 4 and one-way pressure valve II 8 respectively by connector 5, and high-voltage explosion-proof sebific duct 6 is along breaker
Cabinet and panel side are walked pipe and are fixed on above breaker cabinet and panel side, finally lead to cabinet body from upper panel.
The one-way pressure valve II 8 is movably fixed on the outside of cabinet door or in control room after drawing, cabinet door or control room
The settable groove of plate, to be clamped one-way pressure valve II 8.
When breaker under normal operating conditions, internal gas pressure reduce when, can be supplemented at any time by this device
SF6Gas.The SF for providing user for oneself is needed first6Gas and gas tube connect, then gas tube and one-way pressure valve II 8 are docked
After be connected firmly, i.e., openable gas cylinder is inflated.After opening gas cylinder, the pressure outside one-way pressure valve II 8 be will be slow
It rises, when the pressure inside external pressure is greater than high-voltage explosion-proof sebific duct 6, the opening of one-way pressure valve II 8, the SF in gas cylinder6Gas
It enters inside high-voltage explosion-proof sebific duct 6, the pressure inside high-voltage explosion-proof sebific duct 6 rises and is greater than arc extinguishing chamber internal pressure at this time
When, one-way pressure valve I 4 is opened, thus by the SF in gas cylinder6Gas is filled into inside arc-chutes, to realize fuser belt load
Inflation.After the completion of tonifying Qi, directly one-way pressure valve and external inflation pipeline are disconnected, at this time due to one-way pressure valve 8
External pressure disappears, can moment automatic-sealed, while I pressure at both sides of one-way pressure valve is equal, also can moment automatic-sealed, so far
Tonifying Qi process is completed.
One-way pressure valve I 4 and one-way pressure valve II 8 are check valve, its working principle is that when external pressure is greater than interior
When the pressure in portion, inflation can be just opened, if external pressure disappearance or internal pressure are more than or equal to external pressure, which can
Moment is automatically performed sealing, to prevent gas leak phenomenon.
The above is only the preferred embodiment of the utility model, it is noted that for the ordinary skill of technical field
For personnel, without departing from the principle of this utility model, several improvement can also be made, wound is not being paid in these improvement
It also should be regarded as the protection scope of the utility model under the premise of the property made labour.
Claims (2)
1. a kind of SF6Breaker on-load air charging system, characterized in that it includes charge valve, valve body connecting leg, one-way pressure valve
I, high-voltage explosion-proof sebific duct, one-way pressure valve II, charge valve is mounted on breaker body, is connected with the charging compartment of breaker,
Valve body connecting leg both ends are separately connected charge valve and one-way pressure valve I, and high-voltage explosion-proof sebific duct both ends install connector, pass through connector
It is connect respectively with one-way pressure valve I and one-way pressure valve II, high-voltage explosion-proof sebific duct walks pipe simultaneously along breaker cabinet and panel side
It is fixed on above breaker cabinet and panel side, finally leads to cabinet body from upper panel.
2. SF according to claim 16Breaker on-load air charging system, characterized in that the one-way pressure valve II
It is movably fixed to after extraction on the outside of cabinet door or in control room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821571757.6U CN208738714U (en) | 2018-09-26 | 2018-09-26 | A kind of SF6Breaker on-load air charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821571757.6U CN208738714U (en) | 2018-09-26 | 2018-09-26 | A kind of SF6Breaker on-load air charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208738714U true CN208738714U (en) | 2019-04-12 |
Family
ID=66034559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821571757.6U Active CN208738714U (en) | 2018-09-26 | 2018-09-26 | A kind of SF6Breaker on-load air charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208738714U (en) |
-
2018
- 2018-09-26 CN CN201821571757.6U patent/CN208738714U/en active Active
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| GR01 | Patent grant |