CN215220554U - Environment-friendly circuit breaker switch equipment - Google Patents
Environment-friendly circuit breaker switch equipment Download PDFInfo
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- CN215220554U CN215220554U CN202121424046.8U CN202121424046U CN215220554U CN 215220554 U CN215220554 U CN 215220554U CN 202121424046 U CN202121424046 U CN 202121424046U CN 215220554 U CN215220554 U CN 215220554U
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- circuit breaker
- isolating
- switch
- vacuum arc
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Abstract
The utility model relates to an environment-friendly circuit breaker switch device, which is characterized in that the device comprises a fixed plate, a circuit breaker switch and a disconnecting switch, wherein the circuit breaker switch comprises a positioning mechanism and a vacuum arc extinguish chamber; at least one positioning mechanism is arranged on the fixed plate at intervals, one end of each positioning mechanism is used for being connected with a corresponding circuit breaker mechanism, and the other end of each positioning mechanism is connected with an action end of a corresponding vacuum arc-extinguishing chamber; the non-action end of each vacuum arc-extinguishing chamber is connected with the corresponding outgoing line sleeve through the corresponding first conductive piece; the top of each positioning mechanism is connected with a corresponding isolating switch through a corresponding contact seat; at least one grounding contact seat is arranged on the fixed plate corresponding to the position of each isolating switch, and the top of each first conductive piece is connected with the corresponding isolating contact seat through the corresponding insulating support piece; each isolator's one end all passes and corresponds the ground connection and touch the seat and connect and correspond the isolation transmission case, the utility model discloses can wide application in ocean oil and gas field development field.
Description
Technical Field
The utility model relates to an environmental protection circuit breaker switchgear belongs to ocean oil gas field development field.
Background
Along with the development of urban intellectualization and industrialization process, in the original situation of using 12kV ring main units, due to the increase of power loads, high-capacity products need to be matched, and under the background, a wide space is increased for the use of high-capacity environment-friendly circuit breaker switch equipment.
With the increasing shortage of occupied area, high-rise buildings with narrow spaces, centralized industrial and commercial areas and other factors, the switchgear is required to be small in size, intelligent, environment-friendly and high in reliability, and due to the fact that more and more construction projects with poor use environment conditions are needed, the switchgear with a large capacity and environment-friendly is needed.
Disclosure of Invention
To the above problem, the utility model aims at providing an environmental protection circuit breaker switchgear that small, capacious and reliability are high.
In order to achieve the purpose, the utility model adopts the following technical proposal: an environment-friendly circuit breaker switch device comprises a fixed plate, a circuit breaker switch and a disconnecting switch, wherein the circuit breaker switch comprises a positioning mechanism and a vacuum arc extinguish chamber;
the fixed plate used for being connected with the air box is provided with at least one positioning mechanism at intervals, one end of each positioning mechanism is used for being connected with a corresponding circuit breaker mechanism, the other end of each positioning mechanism is connected with an action end corresponding to the vacuum arc-extinguishing chamber, and the positioning mechanisms are used for driving the action ends corresponding to the vacuum arc-extinguishing chambers to perform opening and closing actions according to the operation corresponding to the circuit breaker mechanisms; the non-action end of each vacuum arc-extinguishing chamber is connected with a corresponding outgoing line sleeve through a corresponding first conductive piece;
the top of each positioning mechanism is connected with the corresponding isolating switch through the corresponding contact seat; the fixed plate is provided with at least one grounding contact seat corresponding to the position of each isolating switch, and the top of each first conductive piece is connected with the corresponding isolating contact seat through the corresponding insulating support piece; one end of each isolating switch penetrates through the corresponding grounding contact seat to be connected with the corresponding isolating transmission case, and each isolating switch is used for carrying out grounding action, isolating switching-off action or isolating switching-on action according to the operation corresponding to the isolating transmission case.
Preferably, the switching device further comprises a pressure sensor, a first displacement sensor, a second displacement sensor, a first temperature sensor and a second temperature sensor;
the pressure sensor and the first displacement sensor are fixedly arranged in the positioning mechanism, the pressure sensor is used for detecting the pressure of the action end corresponding to the vacuum arc extinguish chamber in real time, and the first displacement sensor is used for detecting the displacement of the vacuum arc extinguish chamber in real time;
the second displacement sensor is fixedly arranged in the corresponding isolation contact seat and is used for detecting the displacement corresponding to the isolation switch at the switching-on position;
the first temperature sensor is fixedly arranged in the first conductive piece and used for detecting the temperature of the joint of the first conductive piece and the outlet sleeve in real time;
the second temperature sensor is fixedly arranged in the corresponding isolating switch and used for detecting the temperature of the primary loop in real time when the corresponding isolating switch is in an isolating and closing state.
Preferably, each positioning mechanism comprises a corrugated pipe, an insulating pull rod and a second conductive block;
one end of the corrugated pipe is used for being connected with the circuit breaker mechanism, the other end of the corrugated pipe is connected with one end of the insulating pull rod, the contact spring is arranged in the insulating pull rod, the end part of the contact spring is provided with the pressure sensor, and the other end of the insulating pull rod is connected with the action end of the vacuum arc-extinguishing chamber through the second conducting block; the top of the second conductive block is connected with the contact base through a flexible connection mechanism, and the first displacement sensor is arranged on the second conductive block.
Preferably, a sealing groove and a sealing ring for sealing with the fixing plate are arranged in a flange surface on the corrugated pipe; and a sealing groove and a sealing ring for sealing the air tank are arranged on the fixing plate.
Preferably, the vacuum arc-extinguishing chamber is internally wrapped with silica gel; and epoxy resin is injected into the mould to form a solid-sealed polar pole, and the insulating pull rod, the second conductive block and the vacuum arc-extinguishing chamber are all arranged in the solid-sealed polar pole.
Preferably, each isolating switch comprises an outgoing shaft, a lead screw, a conducting rod, a guide piece and a limiting pin;
one end of the leading-out shaft is used for being connected with the isolation transmission box, a flange is arranged on the fixing plate, a watchband contact finger groove used for arranging a first watchband contact finger is formed in the grounding contact seat, and the other end of the leading-out shaft penetrates through the flange and the first watchband contact finger and is connected with one end of the conducting rod through the lead screw; the top of the contact seat is fixedly connected with the guide piece, a channel for the conductive rod to slide is formed in the guide piece, second watchband contact fingers are arranged at two ends of the channel, a limiting pin is further arranged at one end, close to the lead screw, of the channel, and the limiting pin is used for limiting the conductive rod to rotate so that the conductive rod can perform linear motion; and one side of the guide piece, which is close to the isolation contact seat, is provided with the second temperature sensor.
Preferably, the two ends of the guide piece are provided with equalizing rings; and voltage-sharing covers are arranged on two sides of the isolation contact seat and the first conductive piece.
Preferably, a sealing groove and a sealing ring for sealing with the flange are arranged in the leading-out shaft, and a sealing groove and a sealing ring for sealing with the fixing plate are arranged in the flange.
Preferably, an inflation valve for vacuumizing and inflating dry air to the air tank after the air tank is connected is arranged on the fixing plate.
Preferably, a barometer for detecting the charging pressure in the air tank and the air leakage rate of the air tank is arranged on the fixed plate.
The utility model discloses owing to take above technical scheme, it has following advantage:
1. the utility model discloses well isolator and circuit breaker all adopt cylindrical structure, and whole equipment can satisfy the insulation level under the insulating condition of dry air, and is favorable to guaranteeing direct action type isolator's axiality, improves product size stability, reduces the loss of the corresponding power value in the motion process.
2. The utility model discloses owing to set up first temperature sensor in the junction of first conducting block and outlet sleeve, set up first position sensor in positioning mechanism, set up second position sensor at isolator's tip, set up pressure sensor in positioning mechanism's insulating pull rod department, can improve equipment's fail safe nature and digital perception function, reduce equipment operation risk.
3. The utility model discloses an environmental protection gas insulation remains the advantage on the gas insulated switchgear size, and cabinet body size is little, practices thrift and takes up an area of smallly.
4. The utility model discloses because high-voltage insulation does not receive external environment's influence, is difficult for ageing, and the user need not treatment gas etc. at the scene, can reduce the life cycle cost of equipment, and the maintenance volume is little.
5. The utility model discloses in all high-voltage component all seal up in the gas tank, the gas tank is reliable ground connection, can guarantee operation maintainer's safety, just the utility model discloses an environmental protection circuit breaker switchgear splices conveniently.
6. The utility model discloses the both ends of well guide all are provided with the equalizer ring, and the both sides of keeping apart touch pad and first conducting block all are provided with the equalizer cover, can improve equipment whole insulation level, can wide application in ocean oil and gas field development field.
Drawings
Fig. 1 is a schematic diagram of an internal structure of an environmental protection circuit breaker switchgear according to an embodiment of the present invention;
fig. 2 is a schematic three-dimensional structure diagram of an environmental protection circuit breaker switchgear according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a fixing plate in an environmental protection circuit breaker switchgear according to an embodiment of the present invention;
fig. 4 is a side view of an environmentally friendly circuit breaker switchgear provided by an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "upper", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
The embodiment of the utility model provides an environmental protection circuit breaker switchgear is mainly applied to large capacity power supply and distribution places such as 12kV voltage class's generator inlet wire cabinet or power plant feeder cabinet, including circuit breaker switch 2 and isolator 3, circuit breaker switch 2 adopts the vacuum interrupter mode, and isolator 3 adopts the direct action type to keep apart the mode, can carry out the closure, bear and cut off of return current when normally supplying and distributing power; when a short circuit or fault current occurs in a power supply and distribution system, the power supply and distribution system can carry, close and break in a short time, the safe operation of a power supply line is ensured, and the power supply and distribution system has the characteristics of insulativity, high voltage, large capacity, self-energy, miniaturization, intellectualization and high reliability.
As shown in fig. 1 to 3, the utility model provides an environmental protection circuit breaker switchgear includes fixed plate 1, circuit breaker switch 2, isolator 3, pressure sensor 4, first displacement sensor 5, second displacement sensor 6, first temperature sensor 7 and second temperature sensor 8, wherein, circuit breaker switch 2 includes positioning mechanism 2-1 and vacuum interrupter 2-2, isolator 3 adopts the direct action type to keep apart the mode, circuit breaker switch 2 and isolator 3's quantity is at least one, the embodiment uses three as an example, circuit breaker switch 2 and isolator 3 all adopt cylindrical structure.
Three positioning mechanisms 2-1 are arranged on the fixed plate 1 at intervals in parallel, the fixed plate 1 is used for being connected with a stainless steel gas tank, one end of each positioning mechanism 2-1 is connected with a corresponding circuit breaker mechanism, the other end of each positioning mechanism 2-1 is connected with an action end of the corresponding vacuum arc extinguish chamber 2-2, and the positioning mechanisms 2-1 are used for driving the action ends of the vacuum arc extinguish chambers 2-2 to perform opening and closing actions according to the operation of the circuit breaker mechanisms. A corresponding pressure sensor 4 and a first displacement sensor 5 are arranged in each positioning mechanism 2-1, the pressure sensor 4 is used for detecting the pressure of the action end of the corresponding vacuum arc-extinguishing chamber 2-2 in real time, and the first displacement sensor 5 is used for detecting the displacement of the corresponding vacuum arc-extinguishing chamber 2-2 in real time. The non-action end of each vacuum arc-extinguishing chamber 2-2 is connected with a corresponding wire outlet sleeve through a corresponding first conductive block 9, a first temperature sensor 7 is arranged in each first conductive block 9, and the first temperature sensor 7 is used for detecting the temperature of the joint of the corresponding first conductive block 9 and the wire outlet sleeve in real time.
The top of each positioning mechanism 2-1 is connected with a corresponding contact base 10 through a corresponding flexible connection mechanism, and each contact base 10 is provided with a corresponding isolating switch 3. Corresponding to the position of each isolating switch 3, three grounding contact seats 11 are arranged on the fixed plate 1, the top of each first conductive block 9 is connected with a corresponding isolating contact seat 13 through a corresponding insulating support block 12, a corresponding second displacement sensor 6 is arranged in each isolating contact seat 13, and the second displacement sensor 6 is used for detecting the displacement of the corresponding isolating switch 3 at the switching-on position. One end of each isolating switch 3 penetrates through the corresponding grounding contact seat 11 to be connected with the corresponding isolating transmission case, and the isolating switch 3 is used for performing grounding action, isolating switching-off action or isolating switching-on action according to the operation of the corresponding isolating transmission case. All be provided with corresponding second temperature sensor 8 in each isolator 3, second temperature sensor 8 is used for the temperature of the primary loop when the corresponding isolator 3 keeps apart the combined floodgate state in real time detection.
In a preferred embodiment, the utility model discloses an environmental protection circuit breaker switchgear's rated voltage is 12kV, and rated current is 3150A, and rated short circuit breaking current is 40kA, and the short-time withstand current is 40kA/4 s.
In a preferred embodiment, the fixing plate 1 is provided with a sealing groove and a sealing ring for sealing with a stainless steel gas tank.
In a preferred embodiment, as shown in fig. 4, an inflation valve 1-1 and a barometer 1-2 are arranged on the fixing plate 1, the inflation valve 1-1 is used for vacuumizing and inflating dry air into the stainless steel air box after being welded with the stainless steel air box, and the barometer 1-2 is used for detecting the inflation pressure and the air leakage rate of the stainless steel air box.
In a preferred embodiment, each positioning mechanism 2-1 includes a bellows 2-1-1, a stud 2-1-2, an insulated pull rod 2-1-3, and a second conductive block 2-1-4. One end of the corrugated pipe 2-1-1 is connected with a circuit breaker mechanism, the other end of the corrugated pipe 2-1-1 is connected with one end of an insulating pull rod 2-1-3 through a stud bolt 2-1-2, and a sealing groove and a sealing ring are arranged in a flange surface on the corrugated pipe 2-1-1 and used for sealing with the fixing plate 1. A contact spring is arranged in the insulating pull rod 2-1-3, the end part of the contact spring is provided with a pressure sensor 4, and the other end of the insulating pull rod 2-1-3 is connected with the action end of the vacuum arc-extinguishing chamber 2-2 through a second conducting block 2-1-4. The top of the second conductive block 2-1-4 is connected with the contact base 10 through a flexible connection mechanism, and the first displacement sensor 5 is arranged on the second conductive block 2-1-4.
In a preferred embodiment, one side of the second conductive block 2-1-4 is provided with a chute for increasing the contact area with the action end of the vacuum arc-extinguishing chamber 2-2 and reducing the contact resistance.
In a preferred embodiment, the vacuum interrupter 2-2 is encapsulated with silicon gel. Epoxy resin is injected into the mould to form a solid-sealed polar pole 2-3, and the stud bolt 2-1-2, the insulating pull rod 2-1-3, the second conducting block 2-1-4 and the vacuum arc-extinguishing chamber 2-2 are all arranged in the solid-sealed polar pole 2-3. The solid-sealed polar columns 2-3 are fixedly connected with the fixed plate 1 to realize the whole circuit breaker.
In a preferred embodiment, each of the disconnectors 3 comprises a flange 3-1, a lead-out shaft 3-2, a first strap finger 3-3, a second strap finger 3-4, a lead screw 3-5, a conductive rod 3-6, a guide 3-7 and a limit pin 3-8.
The upper part of the fixed plate 1 is provided with a flange 3-1, one end of the leading-out shaft 3-2 is connected with the isolation transmission case, a sealing groove and a sealing ring are arranged in the leading-out shaft 3-2 and used for sealing with the flange 3-1, and a sealing groove and a sealing ring are arranged in the flange 3-1 and used for sealing with the fixed plate 1. The grounding contact seat 11 is provided with a watchband contact finger groove, and a first watchband contact finger 3-3 is arranged in the watchband contact finger groove. The other end of the leading-out shaft 3-2 penetrates through the flange 3-1 and the first watchband contact finger 3-3 to be connected with one end of a lead screw 3-5, and the other end of the lead screw 3-5 is connected with one end of a conductive rod 3-6. The top of the contact seat 10 is fixedly connected with guide pieces 3-7, channels for the conductive rods 3-6 to slide are formed in the guide pieces 3-7, second watchband contact fingers 3-4 are arranged at two ends of each channel, limiting pins 3-8 are further arranged at one ends, close to the lead screws 3-5, of the channels, and the limiting pins 3-8 are used for limiting the conductive rods 3-6 to rotate so that the conductive rods 3-6 can conduct linear motion. The side of the guide 3-7 close to the isolating contact 13 is provided with a second temperature sensor 8.
In a preferred embodiment, shown in fig. 4, the guides 3-7 are provided with grading rings 14 at both ends to improve the isolation of the break and the isolation of the insulation level to ground. The two sides of the isolated contact seat 13 and the first conductive block 9 are both provided with voltage-sharing covers 15, so that the insulation level between phases and relative ground can be improved.
The utility model discloses an environmental protection circuit breaker switchgear's use is explained in detail through specific embodiment below:
1) install the utility model discloses an environmental protection circuit breaker switchgear in being filled with the insulating stainless steel gas tank of dry air.
2) The circuit breaker mechanism acts to drive the corrugated pipe 2-1-1 to act, the action of the corrugated pipe 2-1-1 drives the insulating pull rod 2-1-3, and then the action end of the vacuum arc extinguish chamber 2-2 is driven to act through the second conductive block 2-1-4, so that the opening and closing are realized.
3) The isolating transmission box acts to drive the leading-out shaft 3-2 to rotate, the leading-out shaft 3-2 rotates to drive the lead screw 3-5 to rotate, the lead screw 3-5 rotates and limits the conductive rod 3-6 to rotate through the limiting pin 3-8, so that the conductive rod 3-6 performs linear motion in the guide piece 3-7, and when the conductive rod 3-6 moves to be connected with the grounding contact base 11 through the first watchband contact finger 3-3, the grounding action is realized; when the conducting rod 3-6 moves into the guide part 3-7 completely, the isolation brake-separating action is realized; when the conducting rod 3-6 moves to the guide part 3-7 and is connected with the isolation contact seat 13 through the conducting rod 3-6, the isolation switch-on action is realized, and the three states of grounding, isolation switch-off and isolation switch-on of the isolating switch 3 can be realized by the conducting rod 3-6 moving once.
4) In the whole process, the pressure sensor 4 detects the pressure of the action end of the vacuum arc extinguish chamber 2-2 in real time, the first displacement sensor 5 detects the displacement of switching on and switching off of the vacuum arc extinguish chamber 2-2 in real time, the second displacement sensor 6 detects the displacement of the isolating switch 3 at the switching-on position, the first temperature sensor 7 detects the temperature of the joint of the first temperature sensor and the outlet sleeve in real time, and the second temperature sensor 8 detects the temperature of a primary loop when the isolating switch 3 is in an isolated switching-on state.
Above-mentioned each embodiment only is used for explaining the utility model discloses, wherein structure, connected mode and the preparation technology etc. of each part all can change to some extent, all are in the utility model discloses equal transform and improvement of going on technical scheme's the basis all should not exclude outside the protection scope of the utility model.
Claims (10)
1. The environment-friendly circuit breaker switch equipment is characterized by comprising a fixed plate, a circuit breaker switch and a disconnecting switch, wherein the circuit breaker switch comprises a positioning mechanism and a vacuum arc extinguish chamber;
the fixed plate used for being connected with the air box is provided with at least one positioning mechanism at intervals, one end of each positioning mechanism is used for being connected with a corresponding circuit breaker mechanism, the other end of each positioning mechanism is connected with an action end corresponding to the vacuum arc-extinguishing chamber, and the positioning mechanisms are used for driving the action ends corresponding to the vacuum arc-extinguishing chambers to perform opening and closing actions according to the operation corresponding to the circuit breaker mechanisms; the non-action end of each vacuum arc-extinguishing chamber is connected with a corresponding outgoing line sleeve through a corresponding first conductive piece;
the top of each positioning mechanism is connected with the corresponding isolating switch through the corresponding contact seat; the fixed plate is provided with at least one grounding contact seat corresponding to the position of each isolating switch, and the top of each first conductive piece is connected with the corresponding isolating contact seat through the corresponding insulating support piece; one end of each isolating switch penetrates through the corresponding grounding contact seat to be connected with the corresponding isolating transmission case, and each isolating switch is used for carrying out grounding action, isolating switching-off action or isolating switching-on action according to the operation corresponding to the isolating transmission case.
2. The environmentally friendly circuit breaker switchgear of claim 1 further comprising a pressure sensor, a first displacement sensor, a second displacement sensor, a first temperature sensor, and a second temperature sensor;
the pressure sensor and the first displacement sensor are fixedly arranged in the positioning mechanism, the pressure sensor is used for detecting the pressure of the action end corresponding to the vacuum arc extinguish chamber in real time, and the first displacement sensor is used for detecting the displacement of the vacuum arc extinguish chamber in real time;
the second displacement sensor is fixedly arranged in the corresponding isolation contact seat and is used for detecting the displacement corresponding to the isolation switch at the switching-on position;
the first temperature sensor is fixedly arranged in the first conductive piece and used for detecting the temperature of the joint of the first conductive piece and the outlet sleeve in real time;
the second temperature sensor is fixedly arranged in the corresponding isolating switch and used for detecting the temperature of the primary loop in real time when the corresponding isolating switch is in an isolating and closing state.
3. The eco-friendly circuit breaker switchgear of claim 2, wherein each of said positioning mechanisms comprises a bellows, an insulating rod and a second conductive block;
one end of the corrugated pipe is used for being connected with the circuit breaker mechanism, the other end of the corrugated pipe is connected with one end of the insulating pull rod, a contact spring is arranged in the insulating pull rod, the end part of the contact spring is provided with the pressure sensor, and the other end of the insulating pull rod is connected with the action end of the vacuum arc-extinguishing chamber through the second conducting block; the top of the second conductive block is connected with the contact base through a flexible connection mechanism, and the first displacement sensor is arranged on the second conductive block.
4. The eco-friendly circuit breaker switchgear as claimed in claim 3, wherein a sealing groove and a sealing ring for sealing with the fixing plate are provided in the flange surface of the corrugated tube; and a sealing groove and a sealing ring for sealing the air tank are arranged on the fixing plate.
5. The environmental friendly circuit breaker switchgear of claim 3, wherein the vacuum interrupter is internally wrapped with silica gel; and epoxy resin is injected into the mould to form a solid-sealed polar pole, and the insulating pull rod, the second conductive block and the vacuum arc-extinguishing chamber are all arranged in the solid-sealed polar pole.
6. The eco-friendly circuit breaker switchgear of claim 2, wherein each of the disconnectors comprises a lead-out shaft, a lead screw, a conductive rod, a guide member and a limit pin;
one end of the leading-out shaft is used for being connected with the isolation transmission box, a flange is arranged on the fixing plate, a watchband contact finger groove used for arranging a first watchband contact finger is formed in the grounding contact seat, and the other end of the leading-out shaft penetrates through the flange and the first watchband contact finger and is connected with one end of the conducting rod through the lead screw; the top of the contact seat is fixedly connected with the guide piece, a channel for the conductive rod to slide is formed in the guide piece, second watchband contact fingers are arranged at two ends of the channel, a limiting pin is further arranged at one end, close to the lead screw, of the channel, and the limiting pin is used for limiting the conductive rod to rotate so that the conductive rod can perform linear motion; and one side of the guide piece, which is close to the isolation contact seat, is provided with the second temperature sensor.
7. The eco-friendly circuit breaker switching apparatus as claimed in claim 6, wherein both ends of the guide are provided with grading rings; and voltage-sharing covers are arranged on two sides of the isolation contact seat and the first conductive piece.
8. The eco-friendly circuit breaker switchgear of claim 6, wherein a sealing groove and a sealing ring for sealing with the flange are provided in the lead-out shaft, and a sealing groove and a sealing ring for sealing with the stationary plate are provided in the flange.
9. The eco-friendly circuit breaker switching device as claimed in any one of claims 1 to 8, wherein an inflation valve for evacuating and inflating dry air to the air tank after being connected to the air tank is provided on the fixing plate.
10. The eco-friendly circuit breaker switchgear as claimed in any one of claims 1 to 8, wherein a barometer for detecting an inflation pressure in the air tank and an air leakage rate of the air tank is provided on the fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121424046.8U CN215220554U (en) | 2021-06-25 | 2021-06-25 | Environment-friendly circuit breaker switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121424046.8U CN215220554U (en) | 2021-06-25 | 2021-06-25 | Environment-friendly circuit breaker switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215220554U true CN215220554U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121424046.8U Active CN215220554U (en) | 2021-06-25 | 2021-06-25 | Environment-friendly circuit breaker switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215220554U (en) |
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2021
- 2021-06-25 CN CN202121424046.8U patent/CN215220554U/en active Active
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