CN109361168A - A kind of protective device for gas-filling cabinet - Google Patents
A kind of protective device for gas-filling cabinet Download PDFInfo
- Publication number
- CN109361168A CN109361168A CN201811525783.XA CN201811525783A CN109361168A CN 109361168 A CN109361168 A CN 109361168A CN 201811525783 A CN201811525783 A CN 201811525783A CN 109361168 A CN109361168 A CN 109361168A
- Authority
- CN
- China
- Prior art keywords
- voltage transformer
- rack
- gas
- protective device
- gear unit
- 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.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 24
- 230000003068 static effect Effects 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 8
- 238000004804 winding Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention discloses a kind of protective device for gas-filling cabinet, including voltage transformer, protection mechanism, breaker mechanism and rack, and protection mechanism includes conduct piece, gear unit and driving unit.By using voltage transformer in the electrical connection of breaker, gas-filling cabinet is tested.Since voltage transformer is used to measure the voltage, power and electric energy of route, or for expensive equipment, motor and the transformer in line failure in protection circuit, therefore the capacity very little of voltage transformer.However in experiment, voltage generally kilovolt-ampere or the capacity of megavolt-ampere exported, therefore the case where be easy to cause voltage transformer to be punctured in an experiment by electric current, voltage transformer caused to be scrapped.Therefore, by providing protection to voltage transformer, guaranteeing the service life of voltage transformer, reduce cost when experiment to a protection mechanism is arranged between voltage transformer and breaker mechanism.
Description
Technical field
The present invention relates to gas-filling cabinet field more particularly to a kind of protective devices for gas-filling cabinet.
Background technique
The voltage transformer of existing gas-filling cabinet is typically all to use copper wire as conductor wire, by breaker and mutual induction of voltage
Device is electrically connected.During the test, it in the case where testing using industrial frequency withstand voltage, lightning impulse etc., is very easy to cause
Situations such as voltage transformer is breakdown, and voltage transformer is caused to be scrapped.Because voltage transformer is to be connected to gas tank by inner cone
Inside, and gas tank is to be filled with gas inside sealing state, so can not unpack immediately to cut off breaker and voltage transformer
Electrical connection, during the test extremely be easy breakdown, scrap.
Summary of the invention
For this reason, it may be necessary to provide a kind of protective device for gas-filling cabinet, public affairs are carried out in whole cabinet to solve voltage transformer
When the current testings such as frequency pressure resistance, lightning impulse, it cutting can be connected outside gas tank, carry out correlated current test, ensure that
Voltage transformer during the test will not breakdown, the case where even scrapping.
To achieve the above object, a kind of protective device for gas-filling cabinet is inventor provided, including voltage transformer, anti-
Protect mechanism, breaker mechanism and rack;Breaker mechanism is arranged on the medial surface of rack, and rack is arranged in voltage transformer
On top surface;The protection mechanism includes conduct piece, gear unit and driving unit, and gear unit one end is arranged on conduct piece,
Conduct piece is arranged between the end of breaker mechanism and rack, the mobilizable side that rack is arranged in of the other end of gear unit
On wall, driving unit is arranged on the lateral surface of rack, and driving unit is led for gear unit to be connect and driven with gear unit
One end of electric part is arranged on the driving end of gear unit, and conduct piece is used to voltage transformer and breaker mechanism carrying out conductance
On-off starts work.
Further, the conduct piece includes copper wire, static contact and blade, and one end of the static contact is arranged in breaker
End on, the other end of static contact connects or separates setting for one end of gear unit, and one end of copper wire, which is arranged, to be driven
On one end of unit, one end of copper wire is arranged on blade, and one end of blade is hingedly arranged on static contact.
Further, the gear unit includes transmission shaft, connecting lever linkage unit and blade, and machine is run through in one end of transmission shaft
The side wall of frame is arranged, and one end of connecting lever linkage unit is arranged on the other end of transmission shaft, and the other end of connecting lever linkage unit is set
It sets on blade.
Further, the connecting lever linkage unit includes the first connecting lever, the second connecting lever, connecting rod, insulation square shaft and fixation
Bracket, first connecting lever are set on transmission shaft, and the second connecting lever is set on insulation square shaft, and connecting rod is arranged in the first connecting lever
Between the second connecting lever, insulating square axle sleeve is located on fixed bracket, and blade setting is on insulation square shaft.
Further, the gear unit is additionally provided with dynamic sealing bearing block, and the side of rack is arranged in dynamic sealing bearing block
On wall, driving sleeve is located in dynamic sealing bearing block.
Further, heat radiating slot is provided on the knife face of the blade.
Further, the breaker mechanism includes clamping plate type fixed frame, insulated pull rod, vacuum interrupter and operation machine
Case, operation cabinet are arranged on the rack, and insulated pull rod and vacuum interrupter are successively set on clamping plate type fixed frame, insulated pull rod
It is arranged on the output end of operation cabinet with bellows one end, the end of vacuum interrupter is electrically connected setting with conductive sheet.
Further, the conducting end of the voltage transformer is provided with inner cone connecting shaft and conductive static contact, the conduction
Static contact is arranged in the conducting end of inner cone connecting shaft, and the side wall and voltage transformer of rack are run through in the connecting pin of inner cone connecting shaft
Electrical connection setting, and inner cone connecting shaft is between breaker and rack.
Be different from the prior art, above-mentioned technical proposal by using voltage transformer in the electrical connection of breaker, to inflation
Cabinet is tested.Since voltage transformer is used to measure the voltage, power and electric energy of route, or it is used in line failure
When protection circuit in expensive equipment, motor and transformer, therefore the capacity very little of voltage transformer generally all only has several volts
Peace, tens volt-amperes, it is maximum to be also no more than one kilovolt-ampere.However experiment when, voltage generally kilovolt-ampere or megavolt-ampere appearance
The case where measuring and exported, therefore being easy to cause voltage transformer to be punctured in an experiment by electric current, voltage transformer is caused to be scrapped.
Therefore, by providing protection to voltage transformer, protecting to a protection mechanism is arranged between voltage transformer and breaker mechanism
The service life of voltage transformer is demonstrate,proved, cost when experiment is reduced.
Detailed description of the invention
Fig. 1 is the schematic diagram described in specific embodiment for the protective device of gas-filling cabinet;
Fig. 2 is the partial schematic diagram described in specific embodiment for the protective device of gas-filling cabinet.
Description of symbols:
10, voltage transformer;101 inner cone connecting shafts;102, conductive static contact;
20, protection mechanism;21, conduct piece;22, gear unit;23, driving unit;
211, copper wire;212, static contact;221, transmission shaft;222, connecting lever linkage unit;
223, blade;224, dynamic sealing bearing block;2231, heat radiating slot;2221, the first connecting lever;
2222, the second connecting lever;2223, connecting rod;2224, insulate square shaft;2225, fixed bracket;
30, breaker mechanism;31, clamping plate type fixed frame;32, insulated pull rod;
33, vacuum interrupter;34, cabinet is operated;
40, rack;
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Fig. 1 and Fig. 2 are please referred to, the present embodiment provides a kind of protective device for gas-filling cabinet, including voltage transformer 10,
Protection mechanism 20, breaker mechanism 30 and rack 40;Breaker mechanism is arranged on the medial surface of rack, voltage transformer setting
On the top surface of rack;The protection mechanism includes conduct piece 21, gear unit 22 and driving unit 23, and gear unit one end is set
It sets on conduct piece, conduct piece is arranged between the end of breaker mechanism and rack, and the other end of gear unit is mobilizable
It is arranged on the side wall of rack, driving unit is arranged on the lateral surface of rack, and driving unit with gear unit for connecting simultaneously
Gear unit is driven, one end of conduct piece is arranged on the driving end of gear unit, and conduct piece is used for voltage transformer and breaks
Road device mechanism is conducted or disconnection movement.
Gas-filling cabinet is tested in the electrical connection of breaker by using voltage transformer in the present embodiment, such as: it is public
The current testings such as frequency pressure resistance, lightning impulse.However experiment when, due to voltage it is higher cause voltage transformer in an experiment by
The case where electric current punctures, and voltage transformer is caused to be scrapped.Therefore, by one is arranged between voltage transformer and breaker mechanism
A protection mechanism, and then voltage transformer is protected, improve the service life of voltage transformer.
Specifically, breaker mechanism is fixed in the frame body of rack, voltage transformer is then mounted on the outside of rack
On face, the inner cone connector of voltage transformer runs through the side wall of rack, so that the inner cone connector of voltage transformer is located at rack
Inside, and be located between the vacuum interrupter end of breaker mechanism and the inner sidewall of rack.And protection mechanism is located at breaker
On the end of the vacuum interrupter direction of mechanism, driving unit is arranged on the frame side wall of the direction, and the one of gear unit
On the end for holding the vacuum interrupter that breaker is arranged in, and the other end is then mounted on gear unit, and then single by transmission
The power of member conveying drives the conduct piece rotation being located on gear unit, so that the inner cone connecting shaft of conduct piece and voltage transformer
It is in contact or separates, i.e., breaker mechanism and voltage transformer are electrically connected and are disconnected by conduct piece, play electric brake
Effect.Driving unit, is installed on the outside of rack by the power resources and driving unit of conduct piece, therefore when detecting, is not necessarily to
It can be reached by dismantling rack from outside disconnection, and driving unit can be servo motor, be kept away by the transmission of motor
Exempt from the risk got an electric shock when manual disconnection, improves the safety of protective device.It can be broken down by protection mechanism
In first time, voltage transformer and breaker mechanism are disconnected, reached when carrying out correlated current test, guarantees that voltage is mutual
Sensor during the test will not breakdown, the case where even scrapping purpose.
Voltage transformer (Potential transformer abbreviation PT, Voltage transformer also abbreviation VT) and
Transformer is similar, is the instrument of the voltage on conversion line.But the purpose of transformer voltage of transformation is to convey electricity
Can, therefore capacity is very big, typically using kilovolt-ampere or megavolt-ampere as unit of account;And the mesh of voltage transformer voltage of transformation
, it is primarily used to power to measuring instrumentss and protective relaying device, for measuring the voltage, power and electric energy of route, or
For expensive equipment, motor and the transformer in line failure in protection circuit, therefore the capacity of voltage transformer is very
It is small, generally all there was only several volt-amperes, tens volt-amperes, it is maximum to be also no more than one kilovolt-ampere.
The basic structure and transformer of voltage transformer are much like, and, also there are two winding, one is first winding for it, and one
It is secondary winding.Two windings are incorporated into or are wound on iron core.There is insulation between two windings and between winding and iron core,
Make have electrical isolation between two windings and between winding and iron core.At runtime, first winding is in parallel for voltage transformer
It connects on the line, secondary winding simultaneously couples instrument or relay.Therefore when measuring the voltage on high-tension line, although primary electricity
Pressure is very high, but secondary is low pressure, it can be ensured that the safety of operator and instrument.
Conduct piece includes copper wire 211 and static contact 212 in the present embodiment, and breaker is arranged in one end of the static contact
On end, the other end of static contact is used to connect or separate setting with one end of gear unit, and one end setting of copper wire is being driven
On one end of unit, one end of copper wire is arranged on blade, and one end of blade is hingedly arranged on static contact.The gear unit
Including transmission shaft 221, connecting lever linkage unit 222 and blade 223, one end of transmission shaft is arranged through the side wall of rack, and connecting lever connects
One end of bar unit is arranged on the other end of transmission shaft, and the other end of connecting lever linkage unit is arranged on blade.The connecting lever
Linkage unit includes the first connecting lever 2221, the second connecting lever 2222, connecting rod 2223, insulation square shaft 2224 and fixes bracket 2225,
First connecting lever is set on transmission shaft, and the second connecting lever is set on insulation square shaft, and connecting rod setting is in the first connecting lever and the
Between two connecting levers, insulating square axle sleeve is located on fixed bracket, and blade setting is on insulation square shaft.
When power is sent to connecting lever linkage unit by transmission shaft, connecting lever connection unit drives blade rotation, then makes
It obtains blade and copper wire rotates, so that copper wire is connected with each other or separates with the inner cone connecting shaft of voltage transformer.And blade and stationary contact
It can be hingedly arranged by bolt and nut between piece.Specifically, the rotation of the first connecting lever is driven when driving unit provides power,
First connecting lever pulls connecting rod to drive the rotation of the second connecting lever, so that the insulation square shaft rotation being fixed on the second connecting lever, i.e. insulating square
Center axis thereof of the axis around ontology.When the square shaft that insulate rotates on fixed bracket, blade rotation will drive, so that
The inner cone connecting shaft of copper wire and voltage transformer on blade is attached or disconnects.Because being carried out by the way of mechanical linkage
Transmission, it is ensured that fixed force when connection is stablized, and copper wire is detached from when will not be there is a situation where detecting, therefore improves connection
Stability, and the square shaft that insulate is made of insulating materials, such as plastics, timber or enamel-cover aluminium etc. material, effectively
Current direction gear unit has been obstructed, the safety of protective device is improved.
Gear unit described in the present embodiment is additionally provided with dynamic sealing bearing block 224, and dynamic sealing bearing block is arranged in rack
Side wall on, driving sleeve is located in dynamic sealing bearing block.By dynamic sealing bearing block by the transferring kinetic energy of power unit extremely
While transmission shaft, it ensure that the leakproofness of machine frame inside is complete, improve the practicability of protective device.
Heat radiating slot 2231 is provided on the knife face of blade described in the present embodiment.It can be examined in conduction by radiating groove control
It when survey, effectively radiates, so that the junction between copper wire and blade will not be improved since overheat is there is a situation where burning
The service life of blade.
The conducting end of voltage transformer is provided with inner cone connecting shaft 101 and conductive static contact 102 in the present embodiment, described to lead
Electric static contact is arranged in the conducting end of inner cone connecting shaft, and the side wall and mutual induction of voltage of rack are run through in the connecting pin of inner cone connecting shaft
Device electrical connection setting, and inner cone connecting shaft is between breaker and rack.
Run through frame side wall by inner cone connecting shaft, so that being able in rack between breaker mechanism and voltage transformer
Portion is electrically connected, and is avoided protective device from being exposed to Shelf External, while can guarantee the leakproofness of machine frame inside, is avoided detecting
Personnel, which accidentally touch, occurs accident for the protective device contact of gas-filling cabinet, improves its safety.It is arranged in inner cone connecting shaft a piece of
Convenient for connecting conduction with copper wire, for the ease of fixing clamp copper wire, a V word can be arranged in conductive static contact on static contact
The card slot of type, so that copper wire is not easy to disengage, improves the stability of connection so that copper wire clamp is clipped in V-shape card slot.
Breaker mechanism described in the present embodiment includes clamping plate type fixed frame 31, insulated pull rod 32,33 and of vacuum interrupter
Cabinet 34 is operated, operation cabinet is arranged on the rack, and insulated pull rod and vacuum interrupter are successively set on clamping plate type fixed frame,
There is insulated pull rod bellows one end to be arranged on the output end of operation cabinet, and the end of vacuum interrupter is electrically connected with conductive sheet
Setting.
Breaker is that insulated pull rod and vacuum interrupter is fixed using the structure of clamping plate type fixed frame, so that fixed exhausted
Edge pull rod and vacuum interrupter can arrange along straight line, and because when turning off union operation, insulated pull rod is by vacuum
The indoor conductor wire of arc extinguishing disconnects, and is mesohigh electric current due to being connected in power supply line, is easy to produce when merging and disconnecting
Electric arc, therefore arc extinguishing is carried out by vacuum interrupter, it avoids the device of machine frame inside from being electrically shocked damage, improves the reality of protective device
The property used.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
Scope of patent protection of the invention.Therefore, it based on innovative idea of the invention, change that embodiment described herein is carried out and is repaired
Change, or using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it directly or indirectly will be with
Upper technical solution is used in other related technical areas, is included within scope of patent protection of the invention.
Claims (8)
1. a kind of protective device for gas-filling cabinet, it is characterised in that: including voltage transformer, protection mechanism, breaker mechanism
And rack;
Breaker mechanism is arranged on the medial surface of rack, and voltage transformer is arranged on the top surface of rack;
The protection mechanism includes conduct piece, gear unit and driving unit, and gear unit one end is arranged on conduct piece, conductive
Part is arranged between the end of breaker mechanism and rack, the mobilizable side wall that rack is arranged in of the other end of gear unit
On, driving unit is arranged on the lateral surface of rack, and driving unit is conductive for gear unit to be connect and driven with gear unit
One end of part is arranged on the driving end of gear unit, and conduct piece is for conducting voltage transformer and breaker mechanism
Or disconnection movement.
2. a kind of protective device for gas-filling cabinet according to claim 1, it is characterised in that: the conduct piece includes copper
One end of line, static contact and blade, the static contact is arranged on the end of breaker, and the other end of static contact is for being driven list
One end of member connects or separates setting, and one end of copper wire is arranged on one end of gear unit, and one end of copper wire is arranged in blade
On, one end of blade is hingedly arranged on static contact.
3. a kind of protective device for gas-filling cabinet according to claim 2, it is characterised in that: the gear unit includes
One end of transmission shaft, connecting lever linkage unit and blade, transmission shaft is arranged through the side wall of rack, and one end of connecting lever linkage unit is set
It sets on the other end of transmission shaft, the other end of connecting lever linkage unit is arranged on blade.
4. a kind of protective device for gas-filling cabinet according to claim 3, it is characterised in that: the connecting lever linkage unit
It is set on transmission shaft including the first connecting lever, the second connecting lever, connecting rod, insulation square shaft and fixed bracket, first connecting lever, the
Two connecting levers are set on insulation square shaft, and connecting rod is arranged between the first connecting lever and the second connecting lever, and insulating square axle sleeve is located at fixation
On bracket, blade setting is on insulation square shaft.
5. a kind of protective device for gas-filling cabinet according to claim 3, it is characterised in that: the gear unit is also set
It is equipped with dynamic sealing bearing block, dynamic sealing bearing block is arranged on the side wall of rack, and driving sleeve is located in dynamic sealing bearing block.
6. a kind of protective device for gas-filling cabinet according to claim 3, it is characterised in that: on the knife face of the blade
It is provided with heat radiating slot.
7. a kind of protective device for gas-filling cabinet according to claim 1, it is characterised in that: the breaker mechanism packet
Include clamping plate type fixed frame, insulated pull rod, vacuum interrupter and operation cabinet, operation cabinet be arranged on the rack, insulated pull rod and
Vacuum interrupter is successively set on clamping plate type fixed frame, the output that there is insulated pull rod bellows one end operation cabinet is arranged in
On end, the end of vacuum interrupter is electrically connected setting with conductive sheet.
8. a kind of protective device for gas-filling cabinet according to claim 1, it is characterised in that: the voltage transformer
Conducting end is provided with inner cone connecting shaft and conductive static contact, and the conduction static contact is arranged in the conducting end of inner cone connecting shaft,
The connecting pin of inner cone connecting shaft is electrically connected setting with voltage transformer through the side wall of rack, and inner cone connecting shaft is located at breaker
Between rack.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811525783.XA CN109361168B (en) | 2018-12-13 | 2018-12-13 | Protective device for air charging cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811525783.XA CN109361168B (en) | 2018-12-13 | 2018-12-13 | Protective device for air charging cabinet |
Publications (2)
Publication Number | Publication Date |
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CN109361168A true CN109361168A (en) | 2019-02-19 |
CN109361168B CN109361168B (en) | 2023-11-28 |
Family
ID=65329692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811525783.XA Active CN109361168B (en) | 2018-12-13 | 2018-12-13 | Protective device for air charging cabinet |
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Country | Link |
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CN (1) | CN109361168B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110556263A (en) * | 2019-08-31 | 2019-12-10 | 武汉倍诺德开关有限公司 | 40.5kV aerifys cabinet drive mechanism |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB337032A (en) * | 1929-07-25 | 1930-10-27 | Reyrolle A & Co Ltd | Improvements in or relating to the automatic or semi-automatic control of synchronous dynamo-electric machinery |
CN200986882Y (en) * | 2006-12-14 | 2007-12-05 | 浙江宏秀电气有限公司 | Intelligent outdoor high-voltage vacuum circuit breaker dual-power supply isolation switch combined electrical equipment |
CN102882148A (en) * | 2012-10-23 | 2013-01-16 | 福建中能电气股份有限公司 | Solid insulation switch |
CN105845491A (en) * | 2016-04-25 | 2016-08-10 | 信尔德科技有限公司 | Intelligent high-voltage dual-power vacuum circuit breaker |
CN108417436A (en) * | 2018-03-09 | 2018-08-17 | 陈秀珍 | A kind of driving device of high-tension Vacuum switch |
CN209071940U (en) * | 2018-12-13 | 2019-07-05 | 福建中能电气有限公司 | A kind of protective device for gas-filling cabinet |
-
2018
- 2018-12-13 CN CN201811525783.XA patent/CN109361168B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB337032A (en) * | 1929-07-25 | 1930-10-27 | Reyrolle A & Co Ltd | Improvements in or relating to the automatic or semi-automatic control of synchronous dynamo-electric machinery |
CN200986882Y (en) * | 2006-12-14 | 2007-12-05 | 浙江宏秀电气有限公司 | Intelligent outdoor high-voltage vacuum circuit breaker dual-power supply isolation switch combined electrical equipment |
CN102882148A (en) * | 2012-10-23 | 2013-01-16 | 福建中能电气股份有限公司 | Solid insulation switch |
CN105845491A (en) * | 2016-04-25 | 2016-08-10 | 信尔德科技有限公司 | Intelligent high-voltage dual-power vacuum circuit breaker |
CN108417436A (en) * | 2018-03-09 | 2018-08-17 | 陈秀珍 | A kind of driving device of high-tension Vacuum switch |
CN209071940U (en) * | 2018-12-13 | 2019-07-05 | 福建中能电气有限公司 | A kind of protective device for gas-filling cabinet |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110556263A (en) * | 2019-08-31 | 2019-12-10 | 武汉倍诺德开关有限公司 | 40.5kV aerifys cabinet drive mechanism |
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CN109361168B (en) | 2023-11-28 |
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