CN207381850U - A kind of on-pole switch equipment built in disconnecting switch - Google Patents
A kind of on-pole switch equipment built in disconnecting switch Download PDFInfo
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- CN207381850U CN207381850U CN201721446109.3U CN201721446109U CN207381850U CN 207381850 U CN207381850 U CN 207381850U CN 201721446109 U CN201721446109 U CN 201721446109U CN 207381850 U CN207381850 U CN 207381850U
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- electrical equipment
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Abstract
On-pole switch equipment built in a kind of disconnecting switch provided by the utility model, including：Gas tank, end of incoming cables, leading-out terminal, disconnecting switch, killer switch, enter line side electrical equipment, outgoing line side electrical equipment, the first low resistance, the second low resistance；Wherein enter line side electrical equipment is connected to one end that end of incoming cables is located on the inside of gas tank, and the resistance value of enter line side electrical equipment is more than the resistance value of the first low resistance, is suitble to access voltmeter measurement so as to flow through end of incoming cables to the electric current between the first low resistance；Outgoing line side electrical equipment is connected to one end that leading-out terminal is located on the inside of gas tank, and the resistance value of outgoing line side electrical equipment is more than the resistance value of the second low resistance, is suitble to access voltmeter measurement so as to flow through leading-out terminal to the electric current between the second low resistance.The voltage that can be convenient for measuring at end of incoming cables and leading-out terminal is so set, it can quick failure judgement position when circuit failure or underload lotus, negative load.
Description
Technical field
The utility model is related to high-tension switch gear technical fields, and in particular to the on-pole switch built in a kind of disconnecting switch
Equipment.
Background technology
Outdoor pole top switch device mounting means is simple, broad range of applicability, Meteorological are cheap and because its own has
Standby more complete defencive function, occupies an important position in electric line.Domestic portion gas insulation Standard type
Switchgear is generally equipped with external disconnecting switch, and operation locking is equipped between breaker and disconnecting switch.This open air
On-pole switch equipment disconnector is mounted externally, and stock size is all bigger, is easily subject to the adverse circumstances such as smog, humidity
It influences, and then influences the break performance of switchgear.And interlocking complexity, amount of parts between disconnecting switch and breaker
More, reliability is not high.
Chinese patent literature CN203553718U discloses a kind of outdoor pole top switch device with built-in disconnector, bag
Include vacuum interrupter, disconnecting switch, breaker operation mechanism, disconnecting switch operating mechanism, gas-flow closure babinet, inlet wire insulating end
Son and outlet insulated terminal；Wherein, it is close to be built in inflation for the disconnecting switch, vacuum interrupter and breaker operation mechanism
In joint sealing body；The vacuum interrupter sealing is in outlet insulated terminal, and the moved end of the vacuum interrupter is with keeping apart connection
It connects, the disconnecting switch is contacted or disconnected with inlet wire insulator.
The above-mentioned prior art, disconnecting switch are located at the inside of gas-flow closure babinet, and it is severe to reduce external smog, humidity etc.
Environment is on the corrosion of disconnecting switch and then the insulation performance of influence on-pole switch, but this on-pole switch equipment is inconvenient to measure
Voltage at input terminal and outlet terminal, cannot be quick when circuit failure or underload lotus, negative load
Failure judgement position.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome on-pole switch equipment of the prior art inconvenient
The defects of measuring the voltage at input terminal and outlet terminal, is convenient for measuring so as to provide one kind at end of incoming cables and leading-out terminal
Voltage disconnecting switch built in on-pole switch equipment.
In order to solve the above technical problems, the on-pole switch equipment built in a kind of disconnecting switch provided by the utility model, bag
It includes：
Gas tank has metal-back grounding connection；
End of incoming cables is arranged on the one side of the gas tank, is tightly connected with the gas tank；
Leading-out terminal is arranged on the opposite side of the gas tank, is tightly connected with the gas tank；
Disconnecting switch is arranged in the gas tank, when the disconnecting switch is in the close position, the end of incoming cables and institute
State disconnecting switch conducting；
Killer switch is arranged in the gas tank, is connected with the disconnecting switch, is in killer switch and is closed position
When putting, the leading-out terminal is turned on the killer switch；
Enter line side electrical equipment is connected to one end that the end of incoming cables is located on the inside of the gas tank；
First low resistance, one end are connected with the lead that the enter line side electrical equipment is drawn from the gas tank housing, separately
One end grounding connection, the resistance value of the enter line side electrical equipment is more than the resistance value of first low resistance, so as to flow through
Electric current at the end of incoming cables to first low resistance is suitble to access voltmeter measurement；
Outgoing line side electrical equipment is connected to one end that the leading-out terminal is located on the inside of the gas tank；
Second low resistance, one end are connected with the lead that the outgoing line side electrical equipment is drawn from the gas tank housing, separately
One end grounding connection, the resistance value of the outgoing line side electrical equipment is more than the resistance value of second low resistance, so as to flow through
Electric current at the leading-out terminal to second low resistance is suitble to access voltmeter measurement.
The end of incoming cables includes the first sleeve of the first conductor and package first conductor, the first sleeve and institute
Gas tank sealed connection is stated, one end of first conductor is connected with the disconnecting switch.
The disconnecting switch includes isolation static contact and can be contacted in the case where isolation main shaft drives with the isolation static contact
Isolation moving contact, it is described isolation static contact be connected with first conductor.
The isolation static contact is connected with first conductor by the second conductor.
The leading-out terminal includes the second casing of the 3rd conductor and package the 3rd conductor, second casing and institute
Gas tank sealed connection is stated, the 3rd conductor is connected with the killer switch.
The killer switch includes
Breaker main shaft；
Insulated tension pole, when the breaker main shaft rotates, the insulated tension pole is promoted；
Vacuum interrupter, static contact of the moving contact with the vacuum interrupter under the promotion of the insulated tension pole are led
Logical, the vacuum interrupter is connected with the 3rd conductor, and the moving contact of the vacuum interrupter leads to the moving contact of isolating
Cross the connection that is flexible coupling.
One end of the vacuum interrupter is connected with the 4th conductor, and the vacuum interrupter passes through the 4th conductor and institute
State the connection of the 3rd conductor.
The enter line side electrical equipment and/or the outgoing line side electrical equipment are resistive element or capacity cell.
The insulated tension pole, vacuum interrupter are vertically arranged.
The isolation main shaft, the second conductor, the 4th conductor, vacuum extinction outdoor use insulating materials sealing.
Technical solutions of the utility model have the following advantages that：
1. the on-pole switch equipment built in a kind of disconnecting switch provided by the utility model, described by being located in end of incoming cables
One end connection enter line side electrical equipment on the inside of gas tank, the enter line side electrical equipment and the grounding connection positioned at hull outside
First low resistance connects, and the resistance value of the enter line side electrical equipment is more than the resistance value of first low resistance, so that
It flows through the end of incoming cables to the electric current between first low resistance to be suitble to access voltmeter measurement, by detecting the first low pressure
The voltage at resistance both ends, then according to the ratiometric conversion of the resistance value of enter line side electrical equipment and the resistance value of the first low resistance go out into
The voltage at line side electrical equipment both ends, and since the resistance value of enter line side electrical equipment is more than the resistance value of the first low resistance,
The voltage at enter line side electrical equipment both ends can be approximately equal to the voltage at end of incoming cables；By being located at one on the inside of gas tank in leading-out terminal
End connection outgoing line side electrical equipment, the second low resistance of the outgoing line side electrical equipment and the grounding connection positioned at hull outside
Connection, the resistance value of the outgoing line side electrical equipment are more than the grounding resistance of the metal-back of second low resistance, so that
It flows through the leading-out terminal to the electric current between second low resistance to be suitble to access voltmeter measurement, by detecting the second low pressure
Then the voltage at resistance both ends goes out out according to the ratiometric conversion of the resistance value of outgoing line side electrical equipment and the resistance value of the second low resistance
The voltage at line side electrical equipment both ends, and since the resistance value of outgoing line side electrical equipment is more than the resistance of second low resistance
Value, the voltage at outgoing line side electrical equipment both ends can be approximately equal to the voltage at leading-out terminal；End of incoming cables can be convenient for measuring by so setting
And the voltage at leading-out terminal, it can quick failure judgement position when circuit failure or underload lotus, negative load.
2. the on-pole switch equipment built in a kind of disconnecting switch provided by the utility model, the insulated tension pole, vacuum are gone out
Arc chamber is vertically arranged, it is ensured that insulated tension pole quickly promoted under the drive of breaker main shaft the moving contact of vacuum interrupter with it is quiet
Contact turns on, and vacuum interrupter, insulated tension pole stress are relatively stablized, and can save installation space.
3. the on-pole switch equipment built in a kind of disconnecting switch provided by the utility model, the isolation main shaft, second are led
Body, the 4th conductor, vacuum extinction outdoor use insulating materials sealing, it is ensured that isolation main shaft, the second conductor, the 4th conductor,
The insulation performance of vacuum extinction outside.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the front view of the on-pole switch equipment built in a kind of disconnecting switch that the embodiment 1 of the utility model provides；
Fig. 2 is the first conductor shown in FIG. 1 and the second conductor connection relation, the connection relation of the 3rd conductor and the 4th conductor
Front view；
Fig. 3 is the first conductor shown in Fig. 2 and the second conductor connection relation, the connection relation of the 3rd conductor and the 4th conductor
Top view；
Fig. 4 is a kind of principle assumption diagram of on-pole switch equipment shown in FIG. 1.
Reference sign：
1- gas tanks；2- ends of incoming cables；3- leading-out terminals；
The first conductors of 4-；The second conductors of 5-；6- isolates main shaft；
7- isolates static contact；The 3rd conductors of 8-；The 4th conductors of 9-；
10- breaker main shafts；11- insulated tension poles；12- is flexible coupling；
13- vacuum interrupters；14- enter line side electrical equipments；15- outgoing line side electrical equipments；
The first low resistances of 16-；The second low resistances of 17-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not forming conflict can be combined with each other.
Embodiment 1
A kind of specific embodiment of the on-pole switch equipment built in disconnecting switch as shown in Figs 1-4, including gas tank 1,
End of incoming cables 2, leading-out terminal 3, disconnecting switch, killer switch, enter line side electrical equipment 14, outgoing line side electrical equipment 15, first are low
Piezoresistance 16, the second low resistance 17.
The gas tank 1 has metal-back grounding connection；The end of incoming cables 2 is arranged on the one side of the gas tank 1, with the gas
Case 1 is tightly connected；The leading-out terminal 3 is arranged on the opposite side of the gas tank 1, is tightly connected with the gas tank 1；It is described to keep apart
Pass is arranged in the gas tank 1, and when the disconnecting switch is in the close position, the end of incoming cables 2 is led with the disconnecting switch
It is logical；The killer switch is arranged in the gas tank 1, is connected with the disconnecting switch, is in killer switch and is closed position
When putting, the leading-out terminal 3 is turned on the killer switch；The enter line side electrical equipment 14 is connected to the end of incoming cables 2
In one end of 1 inside of gas tank；One end of first low resistance 16 and the enter line side electrical equipment 14 are from the gas
The lead connection that 1 housing of case is drawn, other end grounding connection, the resistance value of the enter line side electrical equipment 14 are more than described first
The resistance value of low resistance 16, so that the electric current flowed through at the end of incoming cables 2 to first low resistance 16 is suitble to access electricity
Press table measurement；The outgoing line side electrical equipment 15 is connected to one end that the leading-out terminal 3 is located at 1 inside of gas tank；Described
One end of two low resistances 17 is connected with the lead that the outgoing line side electrical equipment 15 is drawn from 1 housing of gas tank, the other end
Grounding connection, the resistance value of the outgoing line side electrical equipment 15 is more than the resistance value of second low resistance 17, so as to flow through
Electric current at the leading-out terminal 3 to second low resistance 17 is suitble to access voltmeter measurement.
By being located at one end of 1 inside of gas tank in end of incoming cables 2 with being connected enter line side electrical equipment 14, the enter line side
Electrical equipment 14 is connected with the first low resistance 16 of the grounding connection positioned at 1 outside of housing, the enter line side electrical equipment 14
Resistance value be more than first low resistance 16 grounding resistance, so as to flow through the end of incoming cables 2 to first low pressure
Electric current between resistance 16 is suitble to access voltmeter measurement, by detecting the voltage at the first low resistance 16 both ends, then basis
The ratiometric conversion of the resistance value of enter line side electrical equipment 14 and the resistance value of the first low resistance 16 goes out 14 both ends of enter line side electrical equipment
Voltage, and since the resistance value of enter line side electrical equipment 14 is more than the resistance value of the first low resistance 16, enter line side is electrically first
The voltage at 14 both ends of part can be approximately equal to the voltage at end of incoming cables 2；It is connected by the one end for being located at 1 inside of gas tank in leading-out terminal 3
Outgoing line side electrical equipment 15, the second low resistance 17 of the outgoing line side electrical equipment 15 and the grounding connection positioned at hull outside
Connection, the resistance value of the outgoing line side electrical equipment 15 are more than the resistance value of second low resistance 17, so as to flow through described
Leading-out terminal 3 to the electric current between second low resistance 17 is suitble to access voltmeter measurement, by detecting the second low resistance
Then the voltage at 17 both ends goes out according to the ratiometric conversion of the resistance value of outgoing line side electrical equipment 15 and the resistance value of the second low resistance 17
The voltage at 15 both ends of outgoing line side electrical equipment, and since the resistance value of outgoing line side electrical equipment 15 is more than second low resistance
17 resistance value, the voltage at 15 both ends of outgoing line side electrical equipment can be approximately equal to the voltage at leading-out terminal 3；So setting can facilitate
The voltage at end of incoming cables 2 and leading-out terminal 3 is measured, it can be quick when circuit failure or underload lotus, negative load
Failure judgement position.
In the present embodiment, as shown in Figure 1, the end of incoming cables 2 includes the first conductor 4 and package first conductor
4 first sleeve, the first sleeve are tightly connected with the gas tank, one end and the disconnecting switch of first conductor 4
Connection.
The disconnecting switch includes isolation static contact 7 and can be connect in the case where isolation main shaft 6 drives with the static contact of isolating
7 isolation moving contact is touched, the isolation static contact 7 is connected with first conductor 4.In the present embodiment, the isolation is quiet
Contact 7 is connected with first conductor 4 by the second conductor 5.
As shown in Figure 1, the leading-out terminal 3 includes the second casing of the 3rd conductor 8 and package the 3rd conductor 8, institute
It states the second casing to be tightly connected with the gas tank 1, the 3rd conductor 8 is connected with the killer switch.The breaker is opened
Pass includes breaker main shaft 10；Insulated tension pole 11, when the breaker main shaft 10 rotates, the insulated tension pole 11 is promoted；
Vacuum interrupter 13, static contact of the moving contact with the vacuum interrupter 13 under the promotion of the insulated tension pole 11 turn on,
The vacuum interrupter 13 is connected with the 3rd conductor 8, and the moving contact of the vacuum interrupter 13 isolates moving contact with described
Pass through 12 connections that are flexible coupling.In the present embodiment, one end of the vacuum interrupter 13 is connected with the 4th conductor 9, described true
Empty arc-chutes 13 are connected by the 4th conductor 9 with the 3rd conductor 8.
In the present embodiment, the enter line side electrical equipment 14 is resistive element, and the outgoing line side electrical equipment 15 is
Resistive element.Also can be replaced the enter line side electrical equipment 14 or the outgoing line side electrical equipment 15 is resistive element.Wherein
Resistive element also can be replaced capacity cell.
In the present embodiment, the insulated tension pole 11, vacuum interrupter 13 are vertically arranged, it is ensured that insulated tension pole 11 exists
Under the drive of breaker main shaft 10 moving contact of vacuum interrupter 13 is quickly promoted to be turned on static contact, vacuum interrupter 13, absolutely
11 stress of edge pull rod is relatively stablized, and can save installation space.
The isolation main shaft 6, the second conductor 5, the 4th conductor 9,13 outside of vacuum interrupter, can using insulating materials sealing
Ensure isolation main shaft 6, the second conductor 5, the 4th conductor 9, the insulation performance in 13 outside of vacuum interrupter.The insulating materials can
Select epoxy resin.
Specifically when in use, enter line side electrical equipment 14 using welding or screw connection by the way of and the first conductor 4 or the
Two conductors 5 connect, and outgoing line side electrical equipment 15 is connected using welding or screw connecting mode with the 3rd conductor 8 or the 4th conductor 9.
When breaker main shaft 10 rotates counterclockwise, insulated tension pole 11 is promoted and is flexible coupling 12 moving downward, so as to promote breaker true
Empty arc-chutes 13 are closed；When isolation main shaft 6 rotates counterclockwise, drive the isolation being attached thereto moving contact and be flexible coupling 12 together
Isolation closing operation is realized in movement.Voltage at end of incoming cables 2 can be measured by the voltage for detecting 16 both ends of the first low resistance,
Voltage at leading-out terminal 3 can be measured by the voltage for detecting 17 both ends of the second low resistance, end of incoming cables 2 can be convenient for measuring and gone out
Voltage at line end 3, can quick failure judgement position when circuit failure or underload lotus, negative load.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (10)
1. a kind of on-pole switch equipment built in disconnecting switch, which is characterized in that including：
Gas tank has metal-back grounding connection；
End of incoming cables is arranged on the one side of the gas tank, is tightly connected with the gas tank；
Leading-out terminal is arranged on the opposite side of the gas tank, is tightly connected with the gas tank；
Disconnecting switch is arranged in the gas tank, when the disconnecting switch is in the close position, the end of incoming cables with it is described every
From switch conduction；
Killer switch is arranged in the gas tank, is connected with the disconnecting switch, in the close position in killer switch
When, the leading-out terminal is turned on the killer switch；
Enter line side electrical equipment is connected to one end that the end of incoming cables is located on the inside of the gas tank；
First low resistance, one end are connected with the lead that the enter line side electrical equipment is drawn from the gas tank housing, the other end
Grounding connection, the resistance value of the enter line side electrical equipment are more than the resistance value of first low resistance, so as to flow through described
Electric current at end of incoming cables to first low resistance is suitble to access voltmeter measurement；
Outgoing line side electrical equipment is connected to one end that the leading-out terminal is located on the inside of the gas tank；
Second low resistance, one end are connected with the lead that the outgoing line side electrical equipment is drawn from the gas tank housing, the other end
Grounding connection, the resistance value of the outgoing line side electrical equipment are more than the resistance value of second low resistance, so as to flow through described
Electric current at leading-out terminal to second low resistance is suitble to access voltmeter measurement.
2. the on-pole switch equipment built in a kind of disconnecting switch according to claim 1, which is characterized in that the end of incoming cables
First sleeve including the first conductor and package first conductor, the first sleeve are tightly connected with the gas tank, institute
The one end for stating the first conductor is connected with the disconnecting switch.
3. the on-pole switch equipment built in a kind of disconnecting switch according to claim 2, which is characterized in that described to keep apart
Closing includes isolating static contact and can isolate the isolation moving contact that contact of static contact with described in the case where isolation main shaft drives, it is described every
It is connected from static contact with first conductor.
4. the on-pole switch equipment built in a kind of disconnecting switch according to claim 3, which is characterized in that the isolation is quiet
Contact is connected with first conductor by the second conductor.
5. a kind of on-pole switch equipment built in disconnecting switch according to any one of claim 3-4, which is characterized in that
The leading-out terminal includes the second casing of the 3rd conductor and package the 3rd conductor, and second casing and the gas tank are close
Envelope connection, the 3rd conductor are connected with the killer switch.
6. the on-pole switch equipment built in a kind of disconnecting switch according to claim 5, which is characterized in that the breaker
Switch includes
Breaker main shaft；
Insulated tension pole, when the breaker main shaft rotates, the insulated tension pole is promoted；
Vacuum interrupter, static contact of the moving contact with the vacuum interrupter under the promotion of the insulated tension pole turn on, institute
It states vacuum interrupter to be connected with the 3rd conductor, the moving contact of the vacuum interrupter passes through soft company with the moving contact of isolating
It connects in succession.
7. the on-pole switch equipment built in a kind of disconnecting switch according to claim 6, which is characterized in that the vacuum is gone out
One end of arc chamber is connected with the 4th conductor, and the vacuum interrupter is connected by the 4th conductor with the 3rd conductor.
8. the on-pole switch equipment built in a kind of disconnecting switch according to any one of claim 1 to 4, feature exist
In the enter line side electrical equipment and/or the outgoing line side electrical equipment are resistive element or capacity cell.
9. the on-pole switch equipment built in a kind of disconnecting switch according to claim 6, which is characterized in that the insulation is drawn
Bar, vacuum interrupter are vertically arranged.
10. the on-pole switch equipment built in a kind of disconnecting switch according to claim 7, which is characterized in that the isolation
Main shaft, the second conductor, the 4th conductor, vacuum extinction outdoor use insulating materials sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721446109.3U CN207381850U (en) | 2017-11-02 | 2017-11-02 | A kind of on-pole switch equipment built in disconnecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721446109.3U CN207381850U (en) | 2017-11-02 | 2017-11-02 | A kind of on-pole switch equipment built in disconnecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207381850U true CN207381850U (en) | 2018-05-18 |
Family
ID=62333996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721446109.3U Active CN207381850U (en) | 2017-11-02 | 2017-11-02 | A kind of on-pole switch equipment built in disconnecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207381850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022120775A1 (en) * | 2020-12-09 | 2022-06-16 | 中国电力科学研究院有限公司 | Pole-mounted combined electrical appliance |
-
2017
- 2017-11-02 CN CN201721446109.3U patent/CN207381850U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022120775A1 (en) * | 2020-12-09 | 2022-06-16 | 中国电力科学研究院有限公司 | Pole-mounted combined electrical appliance |
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Effective date of registration: 20230908 Granted publication date: 20180518 |
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