CN117711875A - Multi-arcing chamber composite electrode vacuum arc-extinguishing chamber and breaker applied by same - Google Patents
Multi-arcing chamber composite electrode vacuum arc-extinguishing chamber and breaker applied by same Download PDFInfo
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- CN117711875A CN117711875A CN202410098909.9A CN202410098909A CN117711875A CN 117711875 A CN117711875 A CN 117711875A CN 202410098909 A CN202410098909 A CN 202410098909A CN 117711875 A CN117711875 A CN 117711875A
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- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 230000003068 static effect Effects 0.000 claims abstract description 55
- 239000002184 metal Substances 0.000 claims abstract description 43
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 22
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 11
- 239000000956 alloy Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The application discloses a multi-arcing chamber composite electrode vacuum arc-extinguishing chamber and a circuit breaker applying the same, and relates to the technical field of high-voltage vacuum circuit breakers, wherein the multi-arcing chamber composite electrode vacuum arc-extinguishing chamber comprises a multi-arcing chamber ceramic shell and an arcing chamber structure; the top of the porcelain shell of the multi-arcing cavity is connected with a static end external conducting rod, and the bottom of the porcelain shell is connected with a metal shell; the bottom of the metal shell is movably inserted with a movable end external conducting rod extending into the metal shell; at least two mutually independent cavities are arranged in the ceramic shell of the multi-arcing cavity; the arcing chamber structure comprises a plurality of independent arcing chamber structures which are in one-to-one correspondence with the cavities; each independent arcing chamber structure comprises a static end inner conductive rod, a movable end inner conductive rod and a shielding cover; a plurality of independent arcing chambers are formed, the independent arcing chambers seal metal vapor generated in the chambers in the running process of the movable end external conducting rod, other chambers are prevented from being influenced, and the capacity of the vacuum arc extinguishing chamber for switching on and off capacitive current is further improved.
Description
Technical Field
The application relates to the technical field of high-voltage vacuum circuit breakers, in particular to a multi-arcing chamber composite electrode vacuum arc-extinguishing chamber and a circuit breaker applied by the same.
Background
With the gradual progress of technology, people pay more attention to the influence of human activities on the environment, electrical equipment is gradually developed towards the direction of environmental friendliness, and as a part of a power system, an environment-friendly high-voltage circuit breaker is more and more required, and a high-voltage-class vacuum circuit breaker with environmental friendliness is rapidly developed.
In the running process of a power grid, capacitive loads need to be frequently switched to meet the requirement of the system on reactive power due to fluctuation of loads, so that the capacitive current switching-on and switching-off capability is a key index of whether a circuit breaker can meet engineering requirements. The capacitive current has smaller amplitude, but serious overvoltage can be generated in the breaking process of the circuit breaker, and the vacuum arc-extinguishing chamber has environmental friendliness and no maintenanceEqui-advantageous but with SF having a strong greenhouse effect 6 Compared with gas, the vacuum arc-extinguishing chamber with high voltage level and the vacuum circuit breaker thereof have a certain gap in terms of capacitive current breaking.
At Guan Gerong current, the vacuum circuit breaker has a certain probability of causing heavy breakdown or contact fusion welding, which is a serious threat to the operation safety of the system. The traditional method for improving the capacitive current of the vacuum circuit breaker Guan Gerong is to age the contact of the circuit breaker, remove burrs and particles on the surface of the contact, and reduce the probability of heavy breakdown when the capacitive current of the vacuum circuit breaker is cut off. The aging method includes a small current, high voltage mode, or an aging process using a large current, but the above problems cannot be completely solved, and an excessive aging current may seriously affect the life of the vacuum circuit breaker. In recent years, a method of limiting the amplitude of high-frequency closing inrush current by a series inrush current limiter to reduce damage to a contact of a vacuum circuit breaker has been proposed, but the method is complicated to control, has high cost and is not suitable for large-scale popularization.
Disclosure of Invention
In view of this, the purpose of this application is to provide many arc chamber combined electrode vacuum interrupter and circuit breaker of using to solve the technical problem that current method can't effectively promote vacuum interrupter and break the capacity of capacitive current.
In order to achieve the technical aim, the application provides a multi-arcing chamber composite electrode vacuum arc-extinguishing chamber, which comprises a multi-arcing chamber ceramic shell and an arcing chamber structure;
the top of the ceramic shell of the multi-arcing cavity is connected with a static end external conducting rod, and the bottom of the ceramic shell is connected with a metal shell;
the bottom of the metal shell is movably inserted with a movable end external conducting rod extending into the metal shell;
at least two mutually independent cavities are arranged in the ceramic shell of the multi-arcing cavity;
the opening end of each cavity is arranged at the bottom of the porcelain shell of the multi-arcing cavity;
the arcing chamber structure comprises a plurality of independent arcing chamber structures which are in one-to-one correspondence with the cavities;
each independent arcing chamber structure comprises a static end inner conductive rod, a movable end inner conductive rod and a shielding cover;
the movable end inner conductive rod is fixed on one end of the movable end outer conductive rod extending into the metal shell and can movably extend into the corresponding cavity;
the static end inner conductive rod is fixed on the static end outer conductive rod and extends into the corresponding cavity through the top of the multi-arcing cavity porcelain shell;
the shielding cover is sleeved and fixed on the conducting rod in the movable end and can movably extend into the corresponding cavity, and a closed space is formed between the shielding cover and the corresponding cavity.
Further, a corrugated pipe structure is fixed at the bottom of the metal shell;
the movable end outer conducting rod movably penetrates through the corrugated pipe structure.
Further, the bellows structure is arranged in the metal shell, and one end far away from the metal shell can contact and prop against the movable end external conductive rod.
Further, at least two cavities are uniformly distributed around the circumference of the central axis of the ceramic shell of the multi-arcing cavity.
Further, the number of the cavities is three.
Further, the contact materials in each of the individual arcing chamber configurations are different.
Further, the contact structures in each of the independent arcing chamber structures are different.
Further, the contact structure in the independent arcing chamber structure is a flat contact structure.
Further, the contact structure in the independent arcing chamber structure is a slotted contact structure.
The application also discloses a circuit breaker, comprising a circuit breaker body;
the breaker body comprises the multi-arcing chamber composite electrode vacuum arc-extinguishing chamber.
According to the technical scheme, the multi-arcing chamber composite electrode vacuum arc-extinguishing chamber has the following beneficial effects;
at least two mutually independent cavities are formed in the ceramic shell of the multi-arcing cavity, and then the shielding cover which is of an independent arcing cavity structure and can move along with the external conducting rod at the servo end is matched with the shielding cover to form a dynamic closed space, so that metal vapor generated in the cavity can be closed in the operation process of the external conducting rod at the servo end, other cavities are prevented from being influenced, independent operation of a plurality of independent arcing cavity structures is realized, and the capacity of switching on and off capacitive current of the vacuum arc extinguishing chamber is further improved. Although a plurality of independent arcing cavity structures are realized, the static end external conducting rod and the movable end external conducting rod of the integral structure are still consistent with the dynamic and static conducting structure of the traditional vacuum arc extinguishing chamber, and redesign is not needed, so that the device is low in cost and convenient to popularize and apply.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a side view of a ceramic shell with multiple arcing chambers of a multiple arcing chamber composite electrode vacuum interrupter provided herein;
fig. 2 is a transverse cross-sectional view of a static side electrode structure of a multi-arcing chamber composite electrode vacuum interrupter provided herein;
fig. 3 is a transverse cross-sectional view of a movable electrode structure of a multi-arcing chamber composite electrode vacuum interrupter provided herein;
fig. 4 is a schematic structural diagram of the multi-arcing chamber composite electrode vacuum arc extinguishing chamber provided in the present application, with the ceramic shell, the metal shell and the first shielding case of the multi-arcing chamber removed;
FIG. 5 is an axial cross-sectional view of a multi-arcing chamber combined electrode vacuum interrupter provided herein;
in the figure: 101. a first static end inner conducting rod; 102. a first fixed end contact; 103. a first movable end contact; 104. a first movable end conducting rod; 105. a first shielding case; 106. a second static end inner conducting rod; 107. a second fixed end contact; 108. a second movable end contact; 109. a second movable end internal conducting rod; 110. a second shielding case; 111. a static end external conducting rod; 112. ceramic shell with multiple arcing cavities; 113. a metal housing; 114. a bellows structure; 115. a movable end external conducting rod; 116. third static end inner conductive rod; 117. a third fixed end contact; 118. a third movable end contact; 119. a third movable end internal conducting rod; 120. a third shielding case; 201. a shield structure; 301. a first independent arcing chamber structure; 302. a second independent arcing chamber; 303. a third independent arcing chamber structure; 401. an arcing chamber structure.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the embodiments of the present application, are within the scope of the embodiments of the present application.
In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, interchangeably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.
The embodiment of the application discloses a multi-arcing chamber composite electrode vacuum arc-extinguishing chamber.
Referring to fig. 1 to 5, an embodiment of a multi-arcing chamber composite electrode vacuum interrupter provided in an embodiment of the present application includes:
a multi-arcing chamber housing 112 and an arcing chamber structure 401.
The top of the multi-arcing cavity porcelain shell 112 is connected with a static end external conducting rod 111, the bottom is connected with a metal shell 113, and the metal shell 113 and the multi-arcing cavity porcelain shell 112 are welded together to form a shell main body of the multi-arcing cavity composite electrode vacuum arc-extinguishing chamber.
The movable end external conductive rod 115 extending into the metal shell 113 is movably inserted into the bottom of the metal shell 113.
At least two mutually independent cavities are arranged in the multi-arcing cavity porcelain shell 112, and the opening end of each cavity is arranged at the bottom of the multi-arcing cavity porcelain shell 112. The cavities are uniform in size and uniformly distributed, and the depth of the cavities is 5cm or more; in terms of distribution, at least two cavities may be uniformly distributed circumferentially about the central axis of the multiple firing cavity porcelain shell 112.
The arcing chamber structure 401 comprises a plurality of independent arcing chamber structures in one-to-one correspondence with the cavities.
Each independent arcing chamber structure comprises a static end inner conductive rod, a movable end inner conductive rod and a shielding cover.
The inner conductive rod of the moving end is fixed on one end of the outer conductive rod 115 of the moving end extending into the metal shell 113, namely, is fixed at the upper end position of the outer conductive rod 115 of the moving end, and can extend into the corresponding cavity along with the movement of the outer conductive rod 115 of the moving end.
The inner conductive rod of the static end is fixed on the outer conductive rod 111 of the static end, and extends into the corresponding cavity through the top of the ceramic shell 112 of the multi-arcing cavity, and it can be understood that a through hole is formed in the inner top of each cavity, and the diameter of the through hole is consistent with that of the corresponding inner conductive rod of the static end, so that the inner conductive rod of the static end can pass through the through hole.
The shielding cover is sleeved on the inner conducting rod of the movable end, and can be welded and connected with the inner conducting rod of the movable end, the shape of the shielding cover is matched with the shape of the corresponding cavity, and the distance between the shielding cover and the ceramic shell 112 of the multi-arcing cavity can be adjusted in a variable way between 0.01mm and 10 mm.
The shield is movable into the corresponding cavity following the movement of the movable end outer conductive rod 115, but does not contact the multiple arcing cavity porcelain shell 112, and a closed space is formed between the shield and the corresponding cavity.
The number of the cavities can be three, and the method is not limited; taking the number of three cavities as an example, for convenience of understanding, the three cavities can be respectively divided into a first cavity, a second cavity and a third cavity in sequence.
The plurality of independent arcing chamber structures corresponding to the first independent arcing chamber structures can be sequentially divided into a first independent arcing chamber structure corresponding to a first cavity, a second independent arcing chamber structure corresponding to a second cavity and a third independent arcing chamber structure corresponding to a third cavity.
The first independent arcing chamber structure 301 includes a first static end inner conductive rod 101, a first moving end inner conductive rod 104, and a first shielding case 105.
Wherein the electrode is divided into a dynamic side electrode part and a static side electrode part:
the static side electrode portion of the number one independent arcing chamber structure 301 includes a number one static end inner conductive rod 101, a number one static end contact 102, and a number one cavity space of the multiple arcing chamber porcelain shell 112. The first static end inner conductive rod 101 is welded with the first static end outer conductive rod 111 through a through hole at the inner top of the first cavity, and the first static end contact 102 is welded with the first static end inner conductive rod 101. A portion of the first shield 105 is disposed within, but not in contact with, the first cavity to form an enclosed space that forms an independent arcing chamber that is shielded from metal vapors generated during arcing.
The moving side electrode portion of the first independent arcing chamber structure 301 includes a first moving end contact 103, a first shield 105, and a first moving end inner conductive rod 104. The first moving end contact 103 is welded with the first inner conductive rod 104, and the contact materials of the first moving end contact 103 and the first fixed end contact 102 are consistent and can be Cu, cr, cuCr alloy or other alloy materials. In addition, the upper end of the first shielding case 105 is not lower than the welding line of the porcelain shell 112 and the metal shell 113 of the multi-arcing cavity, so that the metal vapor of each independent arcing chamber is ensured not to influence other independent arcing chambers, different contact materials are beneficial to each independent arcing chamber, and the mutual pollution to the contacts after the metal vapor of different materials is cooled is avoided.
The second independent arcing chamber structure 302 includes a second static end inner conductive rod 106, a second moving end inner conductive rod 109, and a second shielding case 110.
Wherein the electrode is divided into a dynamic side electrode part and a static side electrode part:
the static side electrode portion of the No. two independent arcing chamber structure 302 includes No. two static end inner conductive rods 106, no. two static end contacts 107, and No. two cavity spaces of the multiple arcing chamber porcelain shell 112. The second static end inner conductive rod 101 is welded with the second static end outer conductive rod 111 through a through hole at the inner top of the second cavity, and the second static end contact 107 is welded with the second static end inner conductive rod 106. A portion of the second shield 110 is disposed inside the second cavity but not in contact therewith, forming an enclosed space that forms an independent arcing chamber that is protected from metal vapors generated during arcing.
The moving side electrode portion of the No. two independent arcing chamber structure 302 includes No. two moving end contacts 108, no. two shields 110, and No. two moving end inner conductive rods 109. The second moving end contact 108 is welded with the second inner conductive rod 109, and the contact materials of the second moving end contact 108 and the second fixed end contact 107 are consistent and can be Cu, cr, cuCr alloy or other alloy materials. In addition, the upper end of the second shielding case 110 is not lower than the welding line of the porcelain shell 112 and the metal shell 113, so that the metal vapor of each independent arcing chamber is ensured not to affect other independent arcing chambers, different contact materials are used in each independent arcing chamber, and the mutual pollution to the contacts after the metal vapor of different materials is cooled is avoided.
The third independent arcing chamber structure 303 includes a third static end inner conductive rod 116, a third moving end inner conductive rod 119, and a third shield 120.
Wherein the electrode is divided into a dynamic side electrode part and a static side electrode part:
the static side electrode portion of the No. three independent arcing chamber structure 303 includes No. three static end inner conductive rods 116, no. three static end contacts 117, and No. three cavity spaces of the multiple arcing chamber porcelain shell 112. The third static end inner conductive rod 116 is welded with the third static end outer conductive rod 111 through a through hole at the inner top of the third cavity, and the third static end contact 117 is welded with the third static end inner conductive rod 116. A portion of the third shield 120 is disposed within, but not in contact with, the third cavity to form an enclosed space that forms an independent arcing chamber that is protected from metal vapors generated during arcing.
The moving side electrode portion of the No. three independent arcing chamber structure 303 includes No. three moving end contacts 118, no. three shields 120, and No. three moving end inner conductive rods 119. The third moving end contact 118 is welded with the third inner conductive rod 119, and the contact materials of the third moving end contact 118 and the third fixed end contact 117 are consistent and can be Cu, cr, cuCr alloy or other alloy materials. In addition, the upper end of the first shielding case 120 is not lower than the welding line of the porcelain shell 112 and the metal shell 113 of the multi-arcing cavity, so that the metal vapor of each independent arcing chamber is ensured not to affect other independent arcing chambers, different contact materials are beneficial to each independent arcing chamber, and the mutual pollution to the contacts after the metal vapor of different materials is cooled is avoided.
The basic structures of the static side electrode part of the first independent arcing chamber structure 301, the static side electrode part of the second independent arcing chamber structure 302 and the static side electrode part of the third independent arcing chamber structure 303 designed by the application are identical. The basic structures of the movable side electrode portion of the first independent arcing chamber structure 301, the movable side electrode portion of the second independent arcing chamber structure 302, and the movable side electrode portion of the third independent arcing chamber structure 303 are identical. Each of the above-described shields constitutes a shield structure 201.
The multi-arcing chamber composite electrode vacuum arc-extinguishing chamber designed by the application has the following beneficial effects;
at least two mutually independent cavities are formed in the multi-arcing cavity porcelain shell 112, and then a shielding cover which is of an independent arcing cavity structure and can move along with the external conducting rod 115 at the servo end is matched with the multi-arcing cavity porcelain shell to form a dynamic closed space, so that metal vapor generated in the cavities can be closed in the operation process of the external conducting rod 115 at the servo end, other cavities are prevented from being influenced, independent operation of the multiple independent arcing cavity structures is realized, and the capacity of switching on and off capacitive current of the vacuum arc extinguishing chamber is further improved. Although a plurality of independent arcing chamber structures are realized, the static end outer conducting rod 111 and the movable end outer conducting rod 115 of the integral structure are still consistent with the dynamic and static conducting structures of the traditional vacuum arc extinguishing chamber, and the integral structure is free from redesign, low in cost and convenient to popularize and apply.
The above is an embodiment one of the multi-arcing chamber combined electrode vacuum arc-extinguishing chamber and the circuit breaker applying the same provided in the embodiments of the present application, and the following is an embodiment two of the multi-arcing chamber combined electrode vacuum arc-extinguishing chamber and the circuit breaker applying the same provided in the embodiments of the present application, refer to fig. 1 to 5 specifically.
Based on the scheme of the first embodiment:
further, a bellows structure 114 is fixed to the bottom of the metal housing 113, and a movable end external conductive rod 115 is movably passed through the bellows structure 114. The bellows structure 114 may provide some protection and sealing.
Further, the bellows structure 114 is disposed in the metal housing 113, and an end far from the metal housing 113 may contact against the movable end outer conductive rod 115. This design can make the structure more compact, can provide the outside conducting rod 115 motion buffering of moving end simultaneously, avoids directly striking metal casing 113.
Further, the contact materials in the independent arcing chamber structures are different, it is understood that the number of the types of the contact materials is greater than or equal to 2, each independent arcing chamber corresponds to one contact material, and the contact material can be Cu, cr, cuCr alloy or other alloy materials; that is, the contact materials of the first fixed end contact 102, the second fixed end contact 107 and the third fixed end contact 117 are different, and the capability of the vacuum arc extinguishing chamber for switching on and off the capacitive current is improved by utilizing the difference of the voltage tolerance capability and the fusion welding resistance capability of different materials.
Further, the contact structures in the independent arcing chamber structures may also be different, that is, the structures of the fixed end contact and the moving end contact in the different independent arcing chambers are different.
Further, the contact structure in the independent arcing chamber structure may be a flat contact structure, that is, the fixed-end contact and the moving-end contact may be flat contact structures.
Further, the contact structure in the independent arcing chamber structure is a slotted contact structure, namely a fixed end contact and a moving end contact can be slotted contact structures. The slotting structure of the fixed end contact of the single independent arcing chamber is matched with the slotting structure of the movable end contact, and the magnetic field generated in the contact gap after the slotting structures are matched with each other is a transverse magnetic field, a longitudinal magnetic field or a composite magnetic field.
The application also discloses a circuit breaker, including the circuit breaker body, the circuit breaker body includes the many arc chamber combined electrode vacuum interrupter of above-mentioned embodiment one or embodiment two.
The multi-arcing chamber combined electrode vacuum interrupter and the circuit breaker applied to the same provided by the present application have been described in detail above, and for those skilled in the art, according to the idea of the embodiments of the present application, the details of the specific embodiments and the application range will be changed, so that the disclosure should not be construed as limiting the present application.
Claims (10)
1. The multi-arcing chamber composite electrode vacuum arc-extinguishing chamber is characterized by comprising a multi-arcing chamber ceramic shell (112) and an arcing chamber structure (401);
the top of the multi-arcing cavity porcelain shell (112) is connected with a static end external conducting rod (111), and the bottom is connected with a metal shell (113);
the bottom of the metal shell (113) is movably inserted with a movable end external conducting rod (115) extending into the metal shell (113);
at least two mutually independent cavities are arranged in the multi-arcing cavity porcelain shell (112);
the opening end of each cavity is arranged at the bottom of the ceramic shell (112) of the multi-arcing cavity;
the arcing chamber structure (401) comprises a plurality of independent arcing chamber structures which are in one-to-one correspondence with the cavities;
each independent arcing chamber structure comprises a static end inner conductive rod, a movable end inner conductive rod and a shielding cover;
the movable end inner conductive rod is fixed on one end of the movable end outer conductive rod (115) extending into the metal shell (113) and can movably extend into the corresponding cavity;
the static end inner conductive rod is fixed on the static end outer conductive rod (111) and extends into the corresponding cavity through the top of the multi-arcing cavity porcelain shell (112);
the shielding cover is sleeved and fixed on the conducting rod in the movable end and can movably extend into the corresponding cavity, and a closed space is formed between the shielding cover and the corresponding cavity.
2. The multi-arcing chamber composite electrode vacuum interrupter of claim 1, wherein a bellows structure (114) is fixed to the bottom of the metal housing (113);
the movable end outer conductive rod (115) is movably passed through the bellows structure (114).
3. The multi-arcing chamber combined electrode vacuum interrupter of claim 2 wherein the bellows structure (114) is disposed within the metal housing (113) and wherein an end remote from the metal housing (113) is contactable against the moving end outer conductive rod (115).
4. The multiple arc chamber combined electrode vacuum interrupter of claim 1 wherein at least two of said cavities are uniformly circumferentially distributed about said multiple arc cavity porcelain shell (112) central axis.
5. The multiple arc chamber combined electrode vacuum interrupter of claim 1, wherein the number of chambers is three.
6. The multiple arcing chamber composite electrode vacuum interrupter of claim 1, wherein the contact materials in each of the individual arcing chamber configurations are different.
7. The multiple arcing chamber composite electrode vacuum interrupter of claim 1, wherein the contact configuration in each of the independent arcing chamber configurations is different.
8. The multiple arcing chamber composite electrode vacuum interrupter of claim 1, wherein the contact structure in the independent arcing chamber structure is a flat contact structure.
9. The multiple arcing chamber composite electrode vacuum interrupter of claim 1, wherein the contact structure in the independent arcing chamber structure is a slotted contact structure.
10. The circuit breaker is characterized by comprising a circuit breaker body;
the circuit breaker body comprising a multi-arcing chamber combined electrode vacuum interrupter as defined in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410098909.9A CN117711875A (en) | 2024-01-24 | 2024-01-24 | Multi-arcing chamber composite electrode vacuum arc-extinguishing chamber and breaker applied by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410098909.9A CN117711875A (en) | 2024-01-24 | 2024-01-24 | Multi-arcing chamber composite electrode vacuum arc-extinguishing chamber and breaker applied by same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117711875A true CN117711875A (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410098909.9A Pending CN117711875A (en) | 2024-01-24 | 2024-01-24 | Multi-arcing chamber composite electrode vacuum arc-extinguishing chamber and breaker applied by same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117711875A (en) |
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2024
- 2024-01-24 CN CN202410098909.9A patent/CN117711875A/en active Pending
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