CN217692308U - Drawer type circuit breaker - Google Patents
Drawer type circuit breaker Download PDFInfo
- Publication number
- CN217692308U CN217692308U CN202221380566.8U CN202221380566U CN217692308U CN 217692308 U CN217692308 U CN 217692308U CN 202221380566 U CN202221380566 U CN 202221380566U CN 217692308 U CN217692308 U CN 217692308U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- insulator
- lateral
- circuit
- breaker
- 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.)
- Active
Links
- 239000012212 insulator Substances 0.000 claims abstract description 88
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 230000016507 interphase Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a drawer type circuit breaker, which relates to the electrical technical field, and comprises a circuit breaker body, a circuit breaker drawer seat and at least one intermediate insulator, wherein two or three rows of slotting tools are arranged on the circuit breaker body in parallel, slots are arranged on the circuit breaker drawer seat, and the number of the slots is equal to that of the slotting tools; the slotting tool is provided with an inserting part and an exposing part, the inserting part is used for being inserted into the slot and conducting electricity, and the exposing part is used for being exposed in a gap between the circuit breaker body and the circuit breaker drawer seat when the inserting part is inserted into the slot; an intermediate insulator is arranged between any two adjacent rows of the slotting tools, one end of the intermediate insulator is used for being in contact with the circuit breaker body, the other end of the intermediate insulator is used for being in contact with the circuit breaker drawer seat, the intermediate insulator can completely separate the two rows of the slotting tools on two sides of the intermediate insulator, and the occurrence of interphase short circuit can be avoided.
Description
Technical Field
The utility model relates to the field of electrical technology, especially, relate to a withdrawable circuit-breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and breaking a current under a normal circuit condition and closing, carrying, and breaking a current under an abnormal circuit condition within a predetermined time, and is mainly classified into a fixed circuit breaker and a withdrawable circuit breaker according to installation methods, among which the withdrawable circuit breaker is favored by those in the power supply technology field because of its advantages of easy maintenance, high safety, high reliability, and high economical efficiency.
The drawer type circuit breaker mainly comprises a circuit breaker body and a drawer seat, when the drawer type circuit breaker is used, the circuit breaker body is inserted into the drawer seat, and all plug-in knives (different phases of electricity correspond to different plug-in knives, and each plug-in knife corresponds to each slot on the drawer seat respectively) on the circuit breaker body are inserted into the drawer seat of the drawer seat, so that the electric connection between the circuit breaker body and the drawer seat is realized, and in order to ensure the sufficient insertion, the length of each plug-in knife of the existing drawer type circuit breaker is usually larger than the depth of the corresponding slot, therefore, after the plug-in knives are inserted into the slots, a gap is reserved between the circuit breaker body and the drawer seat, but in some complex and complex environments, such as under the environment that induced lightning impact is easy, the air has high relative humidity and more conductive particles in the air, the risk that the air between the plug-in knives which are located between the circuit breaker body and the drawer seat and are located between the different phases of electricity is directly punctured and the interphase short circuit is formed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a withdrawable circuit-breaker to solve the problem that above-mentioned prior art exists, can avoid taking place alternate short circuit.
In order to achieve the above purpose, the utility model provides a following scheme:
the utility model provides a drawer type circuit breaker, including circuit breaker body, circuit breaker drawer seat and at least one intermediate insulator, be equipped with two or three rows of slotting tools on the circuit breaker body side by side, the slot has been seted up on the circuit breaker drawer seat, and the quantity of slot equals with the quantity of slotting tool; the slotting tool is provided with a plugging part and an exposing part, the plugging part is used for being plugged into the slot and conducting electricity, and the exposing part is used for being exposed in a gap between the circuit breaker body and the circuit breaker drawer seat when the plugging part is plugged into the slot; two adjacent arbitrary columns all be equipped with one between the slotting tool middle insulator, the one end of middle insulator be used for with the circuit breaker body contact, the other end of middle insulator be used for with circuit breaker drawer seat contact, just middle insulator can with two of middle insulator both sides the slotting tool separates completely.
Preferably, the circuit breaker further comprises two lateral insulators, wherein the two lateral insulators are used for being respectively arranged between the two outermost columns of the slotting tools and the inner side wall of the circuit breaker drawer seat, and can completely separate the two outermost columns of the slotting tools from the inner side wall of the circuit breaker drawer seat.
Preferably, an arc isolation plate is laid on the circuit breaker drawer seat; one end of the middle insulator is fixedly arranged on the circuit breaker body, and the other end of the middle insulator is tightly pressed on the arc isolating plate; one end of the lateral insulator is fixedly arranged on the circuit breaker body, and the other end of the lateral insulator is tightly pressed on the arc isolating plate.
Preferably, the middle insulator has elasticity, and the lateral insulators have elasticity.
Preferably, the breaker body is provided with a middle groove and a lateral groove; one end of the middle insulator, which is away from the flash barrier, is provided with a middle bulge part, and the middle bulge part is used for extending into the middle groove and is fixedly, hermetically and cooperatively matched with the middle groove; and one end of the lateral insulator, which is away from the flash barrier, is provided with a lateral protruding part, and the lateral protruding part is used for extending into the lateral groove and is fixedly matched with the lateral groove in a sealing manner.
Preferably, the intermediate insulator includes a first body, a first branch body and two second branch bodies, the first surface of the first body is used for contacting with the circuit breaker body, one end of the first branch body is fixedly disposed on the first surface, the other end of the first branch body extends in a direction away from the first surface and forms the intermediate protruding portion, one ends of the two second branch bodies are both fixedly disposed on the surface of the first body away from the first surface, and the other ends of the two second branch bodies extend in a direction away from the first surface and are used for being pressed on the arc isolating plate.
Preferably, the lateral insulator includes a second body, a third branch body and a fourth branch body, the second surface of the second body is used for contacting with the circuit breaker body, one end of the third branch body is fixedly disposed on the second surface, the other end of the third branch body extends in a direction away from the second surface and forms the lateral protrusion, one end of the fourth branch body is fixedly disposed on the surface of the second body away from the second surface, and the other end of the fourth branch body extends in a direction away from the second surface and is used for being pressed on the arc baffle.
Preferably, the circuit breaker drawer base is provided with wiring terminals, the number of the wiring terminals is equal to that of the slots, and each wiring terminal can be electrically connected with each slot; the outer insulator is arranged between any two adjacent columns of the connecting terminals, and the two columns of the connecting terminals on two sides of the outer insulator can be completely separated by the outer insulator.
The utility model discloses for prior art gain following technological effect:
the utility model provides a drawer type circuit breaker, to arbitrary adjacent two slotting tools, through setting up middle insulator (wherein, every row of slotting tool corresponds a looks electricity) between two slotting tools, utilize middle insulator to separate the portion of exposing on the slotting tool that different looks electricity corresponds in two spaces that do not communicate, and block the circulation of steam or other conducting particle that carry in air and the air in two spaces, the realization is avoided appearing the condition that the air between the portion of exposing on the slotting tool that different looks electricity corresponds is punctured, thereby can avoid taking place alternate short circuit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a withdrawable circuit-breaker according to the present invention;
fig. 2 is a structural view illustrating another direction of the breaker body in the withdrawable circuit breaker of fig. 1;
fig. 3 is a schematic view illustrating the connection between the knife-inserting unit and the drawer seat of the withdrawable circuit breaker in fig. 1;
FIG. 4 is a schematic view of the structure of the intermediate insulator of FIG. 3;
fig. 5 is a schematic view of the structure of the lateral insulator in fig. 3.
In the figure: 100-drawer type circuit breaker, 1-circuit breaker body, 2-circuit breaker drawer seat, 3-middle insulator, 31-first body, 32-first branch body, 33-second branch body, 4-slotting tool, 5-exposure part, 6-lateral insulator, 61-second body, 62-third branch body, 63-fourth branch body, 7-arc isolation plate, 8-wiring terminal and 9-external insulator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a withdrawable circuit-breaker to solve the problem that above-mentioned prior art exists, can avoid taking place alternate short circuit.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1-3, the present invention provides a withdrawable circuit breaker 100, which includes a breaker body 1, a breaker drawer seat 2 and at least one intermediate insulator 3, wherein two or three rows of slotting tools 4 are arranged on the breaker body 1 in parallel, slots are arranged on the breaker drawer seat 2, and the number of the slots is equal to the number of the slotting tools 4; the slotting tool 4 is provided with an inserting part and an exposing part 5, the inserting part is used for being inserted into the slot and conducting electricity, and the exposing part 5 is used for being exposed in a gap between the circuit breaker body 1 and the circuit breaker drawer seat 2 when the inserting part is inserted into the slot; an intermediate insulator 3 is arranged between any two adjacent rows of the slotting tools 4, one end of the intermediate insulator 3 is used for being in contact with the circuit breaker body 1, the other end of the intermediate insulator 3 is used for being in contact with the circuit breaker drawer seat 2, and the intermediate insulator 3 can completely separate the two rows of the slotting tools 4 on two sides of the intermediate insulator 3.
Therefore, the utility model provides a withdrawable circuit breaker 100, to two arbitrary adjacent slotting tools 4, through set up intermediate insulator 3 between two slotting tools 4 (wherein, every row of slotting tool 4 corresponds a looks electricity), utilize intermediate insulator 3 to separate in two spaces that do not intercommunicate with exposure portion 5 on the slotting tool 4 that different looks electricity corresponds, and block the circulation of the steam that carries or other conductive particle in air and the air in two spaces, the realization is avoided appearing the condition that the air between the exposure portion 5 on the slotting tool 4 that different looks electricity corresponds is punctured, thereby can avoid taking place alternate short circuit, make the utility model provides a withdrawable circuit breaker 100 also can normally work and not break down in the complicated and harsh environment such as easily receive induced lightning impulse, the high relative humidity of air and conductive particle in the air, guarantee electrical system normal operating.
Further, the utility model provides a withdrawable circuit-breaker 100 still includes two side direction insulators 6, two side direction insulators 6 are used for locating respectively between two inside walls that are listed as slotting tool 4 and circuit breaker drawer seat 2 in the outside, and can separate two inside walls that are listed as slotting tool 4 and circuit breaker drawer seat 2 in the outside completely, thereby can avoid two steam or other conducting particles that carry in air and the air between the inside wall of slotting tool 4 and circuit breaker drawer seat 2 in the outside to be punctured and take place the electric leakage, security and the reliability among the assurance device operation process.
Further, an arc isolating plate 7 is laid on the circuit breaker drawer seat 2; one end of the middle insulator 3 is fixedly arranged on the circuit breaker body 1, and the other end of the middle insulator 3 is tightly pressed on the arc isolating plate 7; one end of the lateral insulator 6 is used for being fixedly arranged on the circuit breaker body 1, the other end of the lateral insulator 6 is used for being pressed on the arc isolating plate 7, the structure is simple, the middle insulator 3 and the lateral insulator 6 can be effectively sealed with the arc isolating plate 7, and the separation effect of the middle insulator 3 and the lateral insulator 6 is guaranteed.
Furthermore, the middle insulator 3 has elasticity, and the lateral insulators 6 have elasticity, so that elastic compression type contact between the middle insulator 3 and the lateral insulators 6 and the arc isolating plates 7 can be realized, and the sealing effect is improved.
Furthermore, a middle groove and a lateral groove are formed in the breaker body 1; one end of the middle insulator 3, which is away from the flash barrier 7, is provided with a middle bulge, the middle bulge is used for extending into the middle groove and is fixedly, hermetically and cooperatively matched with the middle groove, and when the middle insulator 3 has elasticity, the middle bulge is elastically and hermetically connected with the middle groove; and one end of the lateral insulator 6, which is away from the flash barrier 7, is provided with a lateral protruding part, the lateral protruding part is used for extending into the lateral groove and is in fixed sealing fit with the lateral groove, and when the lateral insulator 6 has elasticity, the lateral protruding part and the lateral groove are in elastic sealing connection.
Further, as shown in fig. 4, the intermediate insulator 3 includes a first body 31, a first branch body 32 and two second branch bodies 33, the first surface of the first body 31 is used for contacting with the circuit breaker body 1, one end of the first branch body 32 is fixedly disposed on the first surface, the other end of the first branch body 32 extends in a direction away from the first surface and forms an intermediate protruding portion, one ends of the two second branch bodies 33 are both fixedly disposed on the surface of the first body 31 away from the first surface, and the other ends of the two second branch bodies 33 extend in a direction away from the first surface and are used for being pressed on the arc barrier 7.
Further, as shown in fig. 5, the lateral insulator 6 includes a second body 61, a third branch body 62 and a fourth branch body 63, the second surface of the second body 61 is used for contacting with the circuit breaker body 1, one end of the third branch body 62 is fixedly disposed on the second surface, the other end of the third branch body 62 extends in a direction away from the second surface and forms a lateral protruding portion, one end of the fourth branch body 63 is fixedly disposed on the surface of the second body 61 away from the second surface, and the other end of the fourth branch body 63 extends in a direction away from the second surface and is used for being pressed on the arc isolating plate 7.
Furthermore, the circuit breaker drawer base 2 is provided with wiring terminals 8, the number of the wiring terminals 8 is equal to the number of the slots, and each wiring terminal 8 can be electrically connected with each slot; all be equipped with an external insulator 9 between two arbitrary adjacent binding post 8, and external insulator 9 can be separated two binding post 8 of external insulator 9 both sides completely, and external insulator 9 uses with middle insulator 3 and the cooperation of side direction insulator 6, can show improvement insulating properties, makes the utility model provides a withdrawable circuit-breaker 100 is particularly useful for the scene that voltage capacity such as wind power generation, solar energy power generation suddenly risees.
The principle and the implementation mode of the utility model are explained by applying a specific embodiment, and the explanation of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for those skilled in the art, the idea of the present invention may be changed in the specific embodiments and the application range. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A withdrawable circuit-breaker, characterized in that: the circuit breaker comprises a circuit breaker body, a circuit breaker drawer seat and at least one intermediate insulator, wherein two or three rows of slotting tools are arranged on the circuit breaker body in parallel, slots are formed in the circuit breaker drawer seat, and the number of the slots is equal to that of the slotting tools; the slotting tool is provided with an inserting part and an exposing part, the inserting part is used for being inserted into the slot and conducting electricity, and the exposing part is used for being exposed in a gap between the circuit breaker body and the circuit breaker drawer seat when the inserting part is inserted into the slot; two adjacent arbitrary columns all be equipped with one between the slotting tool middle insulator, the one end of middle insulator be used for with the circuit breaker body contact, the other end of middle insulator be used for with circuit breaker drawer seat contact, just middle insulator can with two of middle insulator both sides the slotting tool separates completely.
2. The withdrawable circuit-breaker according to claim 1, characterized in that: the lateral insulators are used for being arranged between the two outermost columns of the slotting tools and the inner side wall of the circuit breaker drawer seat respectively, and the two outermost columns of the slotting tools and the inner side wall of the circuit breaker drawer seat can be completely separated.
3. The withdrawable circuit-breaker according to claim 2, characterized in that: an arc isolation plate is laid on the circuit breaker drawer seat; one end of the middle insulator is fixedly arranged on the circuit breaker body, and the other end of the middle insulator is tightly pressed on the arc isolation plate; one end of the lateral insulator is fixedly arranged on the circuit breaker body, and the other end of the lateral insulator is tightly pressed on the arc isolating plate.
4. The withdrawable circuit-breaker according to claim 3, characterized in that: the middle insulator has elasticity, and the lateral insulators have elasticity.
5. The withdrawable circuit-breaker according to claim 3, characterized in that: the breaker body is provided with a middle groove and a lateral groove; one end of the middle insulator, which is far away from the flash barrier, is provided with a middle bulge part, and the middle bulge part is used for extending into the middle groove and is fixedly, hermetically and cooperatively matched with the middle groove; and one end of the lateral insulator, which is away from the flash barrier, is provided with a lateral protruding part, and the lateral protruding part is used for extending into the lateral groove and is fixedly matched with the lateral groove in a sealing manner.
6. The withdrawable circuit-breaker according to claim 5, characterized in that: the middle insulator comprises a first body, a first branch body and two second branch bodies, the first surface of the first body is used for contacting with the breaker body, one end of the first branch body is fixedly arranged on the first surface, the other end of the first branch body extends and forms in the direction away from the first surface, the middle protruding portion is formed, one end of each second branch body is fixedly arranged on the first body, the other end of each second branch body extends in the direction away from the first surface and is used for pressing on the arc isolating plate.
7. The withdrawable circuit-breaker according to claim 5, characterized in that: the lateral insulator comprises a second body, a third branch body and a fourth branch body, a second surface of the second body is used for being in contact with the breaker body, one end of the third branch body is fixedly arranged on the second surface, the other end of the third branch body extends towards the direction far away from the second surface and forms the lateral protruding portion, one end of the fourth branch body is fixedly arranged on the surface, far away from the second surface, of the second body, and the other end of the fourth branch body extends towards the direction far away from the second surface and is used for being pressed on the arc separating plate.
8. The withdrawable circuit-breaker according to claim 1, characterized in that: the circuit breaker drawer seat is provided with wiring terminals, the number of the wiring terminals is equal to that of the slots, and each wiring terminal can be electrically connected with each slot; an outer insulator is arranged between any two adjacent columns of the connecting terminals, and the outer insulator can completely separate the two columns of the connecting terminals on two sides of the outer insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221380566.8U CN217692308U (en) | 2022-06-06 | 2022-06-06 | Drawer type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221380566.8U CN217692308U (en) | 2022-06-06 | 2022-06-06 | Drawer type circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217692308U true CN217692308U (en) | 2022-10-28 |
Family
ID=83706235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221380566.8U Active CN217692308U (en) | 2022-06-06 | 2022-06-06 | Drawer type circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217692308U (en) |
-
2022
- 2022-06-06 CN CN202221380566.8U patent/CN217692308U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106450980B (en) | Bus duct and get electric plug | |
| CN1249763C (en) | Electromagnetic protection and control assembly | |
| CN106784566A (en) | Secondary battery and battery module | |
| CN217692308U (en) | Drawer type circuit breaker | |
| CN203871255U (en) | Rainproof disconnecting switch | |
| CN201174551Y (en) | Wire separating support | |
| CN204497390U (en) | Power connector | |
| CN107706013B (en) | Manual maintenance switch | |
| CN2927427Y (en) | Structure for installing isolated switch in medium-voltage switch cabinet | |
| CN214124020U (en) | Household energy storage battery system | |
| CN201508966U (en) | Lightning-protection connector | |
| CN101651275B (en) | Lightningproof power supply connector | |
| CN108511999B (en) | English standard plug | |
| CN204760962U (en) | Power supply system is female to be arranged and insulating bush guard plate system | |
| CN216528682U (en) | Electric isolation mechanism and circuit breaker | |
| CN220873499U (en) | Electronic molded case circuit breaker connecting plate | |
| CN213366493U (en) | Electronic circuit breaker with waterproof and moistureproof functions | |
| CN215378241U (en) | Cable chamber of switch cabinet | |
| CN201044386Y (en) | Gang wiring box structure for low-voltage high-power electric motor | |
| CN214706614U (en) | Interconnection device for electric switch control equipment box | |
| CN213150822U (en) | Integrated structure of fuel cell stack and manual maintenance switch | |
| CN203377796U (en) | Laminated busbar connection structure of oppositely-plugged type | |
| CN215417841U (en) | Zero sequence transformer core penetrating structure | |
| CN215299164U (en) | Lead cascaded miniature circuit breaker | |
| CN218334997U (en) | Common-box type environment-friendly gas cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A drawer type circuit breaker Granted publication date: 20221028 Pledgee: Zhongguancun Branch of Bank of Beijing Co.,Ltd. Pledgor: Beijing Huasheng Zhongneng Technology Co.,Ltd. Registration number: Y2024980013074 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |