CN220672436U - Arc extinguishing device of circuit breaker - Google Patents
Arc extinguishing device of circuit breaker Download PDFInfo
- Publication number
- CN220672436U CN220672436U CN202322183526.5U CN202322183526U CN220672436U CN 220672436 U CN220672436 U CN 220672436U CN 202322183526 U CN202322183526 U CN 202322183526U CN 220672436 U CN220672436 U CN 220672436U
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- Prior art keywords
- arc
- heat dissipation
- arc extinguishing
- insulating
- mounting grooves
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 28
- 238000002955 isolation Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims 2
- 230000002708 enhancing effect Effects 0.000 abstract 2
- 230000008033 biological extinction Effects 0.000 description 10
- 238000010891 electric arc Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Breakers (AREA)
Abstract
The utility model relates to the technical field of circuit breakers and discloses an arc extinguishing device of a circuit breaker, which comprises a body, wherein an insulating arc-isolating cover is fixedly arranged at the lower end of the bottom wall of the body, a handle is fixedly arranged at the upper end of the top wall of the body, and heat dissipation components are arranged at the two sides of the body and the insulating arc-isolating cover; the heat dissipation assembly comprises heat dissipation fins and heat dissipation fans, the first mounting grooves are formed in the two side walls of the body, the heat dissipation fins are fixedly arranged in the first mounting grooves, and the second mounting grooves are formed in the two sides of the insulating arc isolation cover. The utility model is convenient for a user to grasp when moving the device by arranging the handle, thereby being convenient for the user to move the device, enhancing the heat dissipation performance of the insulating arc isolation cover, enhancing the air flow, being capable of well assisting the air in the arc extinguishing chamber to cool and extinguish the arc, and simultaneously being capable of manually controlling the arc, and replacing the unstable factor of only relying on external wind power.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to an arc extinguishing device of a circuit breaker.
Background
The circuit breaker is an important part in the distribution electrical equipment, is mainly used for an industrial low-voltage power system, and is used for switching on and off current in a power grid circuit and protecting a circuit and power supply equipment from damage caused by faults such as overload, undervoltage, short circuit, single-phase grounding and the like.
According to the search, chinese patent literature, bulletin number: CN215988644U discloses an arc extinguishing device of circuit breaker, when this scheme is in use, when the segmentation produced electric arc in the circuit breaker body, one part of electric arc can be discharged by main arc chamber arc extinction, another part of electric arc can be along main arc extinction chamber leading-in auxiliary arc extinction chamber, the electric arc that gets into auxiliary arc extinction chamber can flow along auxiliary arc extinction chamber, then cut apart the electric arc through the perforation on the arc extinguishing piece, and cool down the arc through the air in the auxiliary arc extinction chamber, then the gas is discharged from the exhaust passage, through such setting, can realize the arc extinction exhaust fast, accomplish the breaking work of circuit breaker; the radiating fins in the exhaust channels can effectively and rapidly radiate heat, and the insulating layers on the radiating fins can effectively isolate the connection between the electric arc and the radiating fins, so that accidents such as short circuit and the like are avoided. However, the arc extinguishing device of the circuit breaker still has defects in the use process, and when the device strengthens the air flow in the air auxiliary arc extinguishing chamber through the exhaust channel and the radiating fins, the device needs to rely on external factors and cannot be manually regulated and controlled, so that the limit is large in use, and meanwhile, the device is not beneficial to gripping in moving.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the arc extinguishing device of the circuit breaker, and the handle is convenient for a user to grasp when moving the device, so that the user can move the device conveniently, the heat dissipation performance of the insulating arc isolation cover is enhanced by the arrangement of the heat dissipation fan, the air flow is enhanced, the air in the arc extinguishing chamber can be well assisted to cool and extinguish the arc, and meanwhile, the arc extinguishing device can also be controlled manually; thereby solving the technical problems.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the arc extinguishing device of the circuit breaker comprises a body, wherein an insulating arc-isolating cover is fixedly arranged at the lower end of the bottom wall of the body, a handle is fixedly arranged at the upper end of the top wall of the body, and heat dissipation components are arranged at two sides of the body and the insulating arc-isolating cover;
the heat dissipation assembly comprises a heat dissipation fin and a heat dissipation fan, a first mounting groove is formed in the two side walls of the body, the heat dissipation fin is fixedly mounted in the first mounting groove, a second mounting groove is formed in the two sides of the insulating arc isolation cover, and the heat dissipation fan is mounted in the second mounting groove.
Preferably, two first mounting grooves are formed in one side of the body, a plurality of second mounting grooves are formed in one side of the insulating arc isolation cover, and the first mounting grooves are located at the upper ends of the second mounting grooves.
Through the technical scheme, the first mounting groove is arranged, so that a user can conveniently mount the radiating fins.
Preferably, a filter screen is installed in the second installation groove, the filter screen is provided with a plurality of filter screens, and the filter screen is located on the outer side of the cooling fan.
Through the technical scheme, the filter screen is arranged, so that the cooling fan is protected.
Preferably, the front of the body is fixedly provided with a control panel, the control panel is electrically connected with the cooling fan, and the lower end of the body is provided with an arc extinguishing assembly.
Through the technical scheme, the control panel is arranged to control the cooling fan.
Preferably, the arc extinguishing assembly comprises an arc extinguishing grid sheet group and a clamping groove, the clamping groove is formed in the inner side wall of the insulating arc insulating cover, a plurality of clamping grooves are formed in the clamping groove, the arc extinguishing grid sheet group is arranged in the insulating arc insulating cover, and the arc extinguishing grid sheet is arranged in the clamping groove
Through above-mentioned technical scheme, the setting of draw-in groove, the user of being convenient for installs the arc extinguishing bars piece.
Compared with the prior art, the utility model provides the arc extinguishing device of the circuit breaker, which has the following beneficial effects:
according to the utility model, the handle is arranged, so that a user can conveniently grasp the device when moving the device, the user can conveniently move the device, and the heat dissipation performance of the insulating arc isolation cover is enhanced, the air flow is enhanced, the cooling and arc extinction of the arc can be well assisted by the air in the arc extinction chamber, meanwhile, the control can be performed manually, and an unstable factor of only relying on external wind force is replaced.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
fig. 2 is a schematic perspective view of an arc extinguishing grid plate set according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 1 at B according to the present utility model.
Wherein: 1. a body; 2. a heat dissipation assembly; 3. an arc extinguishing assembly; 4. a first mounting groove; 5. a heat radiation fin; 6. a handle; 7. a control panel; 8. an insulating arc-isolating cover; 9. arc extinguishing grating sheet group; 10. a second mounting groove; 11. a heat radiation fan; 12. a filter screen; 13. a clamping groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1-3, the arc extinguishing device of the circuit breaker provided by the utility model comprises a body 1, wherein an insulating arc-isolating cover 8 is fixedly arranged at the lower end of the bottom wall of the body 1, a handle 6 is fixedly arranged at the upper end of the top wall of the body 1, and heat dissipation components 2 are arranged at two sides of the body 1 and the insulating arc-isolating cover 8;
the radiating component 2 comprises radiating fins 5 and radiating fans 11, the first installing grooves 4 are formed in the two side walls of the body 1, the radiating fins 5 are fixedly installed in the first installing grooves 4, the second installing grooves 10 are formed in the two sides of the insulating arc-isolating cover 8, and the radiating fans 11 are installed in the second installing grooves 10.
Specifically, two mounting grooves I4 are formed in one side of the body 1, a plurality of mounting grooves II 10 are formed in one side of the insulating arc-isolating cover 8, and the mounting grooves I4 are located at the upper ends of the mounting grooves II 10. The advantage is, the setting of mounting groove one 4 is convenient for install radiator fin 5, and the setting of mounting groove two 10 is convenient for install radiator fan 11, and radiator fan 11 and radiator fin 5's surface all is provided with the insulating layer.
Specifically, the second installation groove 10 is internally provided with a plurality of filter screens 12, and the filter screens 12 are located outside the cooling fan 11. The heat dissipation fan has the advantages that the heat dissipation performance of the insulating arc isolation cover 8 is enhanced, the air flow is enhanced, the air in the auxiliary arc extinguishing chamber can be good for cooling and extinguishing the arc, and meanwhile, the heat dissipation fan also has the function of manual regulation and control.
Specifically, the front of the body 1 is fixedly provided with a control panel 7, the control panel 7 is electrically connected with a cooling fan 11, and the lower end of the body 1 is provided with an arc extinguishing assembly 3. The advantage is that the arrangement of the control panel 7 controls the electrical components inside the device.
Embodiment two:
as shown in fig. 1-4, as an improvement over the previous embodiment. Specifically, the arc extinguishing assembly 3 comprises an arc extinguishing grid sheet group 9 and a clamping groove 13, the clamping groove 13 is formed in the inner side wall of the insulating arc isolation cover 8, a plurality of clamping grooves 13 are formed in the clamping groove, the arc extinguishing grid sheet group 9 is arranged in the insulating arc isolation cover 8, and arc extinguishing grid sheets are arranged in the clamping groove 13. The advantage is that, the setting of draw-in groove 13 can install the arc extinguishing bars piece, and draw-in groove 13 sets up a plurality of simultaneously, therefore the user can select arc extinguishing bars piece group 9 of different quantity to install according to self needs.
When the arc-extinguishing device is used, as the clamping grooves 13 are formed in a plurality, a user can select different numbers of arc-extinguishing grid sheet groups 9 to install according to the needs of the user, when the arc-extinguishing grid sheet groups 1 are separated to generate arcs during the use, one part of the arcs can be extinguished and discharged by the body 1, the other part of the arcs can be led into the insulating arc-insulating cover 8 along the body 1, the arcs entering the insulating arc-insulating cover 8 can flow along the auxiliary arc-extinguishing grid sheet groups 9, the arcs can contact the inner wall of the middle channel of the insulating arc-insulating cover 8 in the process of moving towards the arc-extinguishing grid sheet groups 9, gas-generating materials on the inner wall can release the gas which is favorable for arc extinction due to the erosion of the arcs, then the arcs are split through the perforation on the arc-extinguishing grid sheets, finally, the heat dissipation fan 11 is arranged, the arcs are cooled and extinguished through the air in the auxiliary insulating arc-insulating cover 8, meanwhile, the heat dissipation fan 11 is arranged, so that the device has the capability of manual regulation and control, and the arc-extinguishing work can be quickly realized through the arrangement, and the breaking work of the circuit breaker is completed; the radiating fins 5 and the radiating fan 11 can effectively and rapidly radiate heat, the insulating layer on the radiating fins 5 can effectively isolate the connection between the electric arc and the radiating fins 5, accidents such as short circuit and the like are avoided, and finally, the handle 6 is arranged, so that a user can grasp the device when moving the device.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a circuit breaker arc extinguishing device, includes body (1), its characterized in that: an insulation arc-isolating cover (8) is fixedly arranged at the lower end of the bottom wall of the body (1), a handle (6) is fixedly arranged at the upper end of the top wall of the body (1), and heat dissipation components (2) are arranged at two sides of the body (1) and the insulation arc-isolating cover (8);
the heat dissipation assembly (2) comprises heat dissipation fins (5) and heat dissipation fans (11), mounting grooves I (4) are formed in two side walls of the body (1), the heat dissipation fins (5) are fixedly mounted in the mounting grooves I (4), mounting grooves II (10) are formed in two sides of the insulating arc isolation cover (8), and the heat dissipation fans (11) are mounted in the mounting grooves II (10).
2. The circuit breaker arc extinguishing device of claim 1, wherein: two first mounting grooves (4) are formed in one side of the body (1), a plurality of second mounting grooves (10) are formed in one side of the insulating arc isolation cover (8), and the first mounting grooves (4) are located at the upper ends of the second mounting grooves (10).
3. The circuit breaker arc extinguishing device of claim 1, wherein: the filter screen (12) is arranged in the second mounting groove (10), the filter screens (12) are arranged in a plurality of parts, and the filter screen (12) is arranged on the outer side of the cooling fan (11).
4. The circuit breaker arc extinguishing device of claim 1, wherein: the front of the body (1) is fixedly provided with a control panel (7), the control panel (7) is electrically connected with a cooling fan (11), and the lower end of the body (1) is provided with an arc extinguishing assembly (3).
5. The circuit breaker arc extinguishing device of claim 4 wherein: the arc extinguishing assembly (3) comprises an arc extinguishing grid sheet group (9) and a clamping groove (13), the clamping groove (13) is formed in the inner side wall of the insulating arc insulating cover (8), a plurality of clamping grooves (13) are formed, the arc extinguishing grid sheet group (9) is arranged in the insulating arc insulating cover (8), and arc extinguishing grid sheets are arranged in the clamping groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322183526.5U CN220672436U (en) | 2023-08-11 | 2023-08-11 | Arc extinguishing device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322183526.5U CN220672436U (en) | 2023-08-11 | 2023-08-11 | Arc extinguishing device of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220672436U true CN220672436U (en) | 2024-03-26 |
Family
ID=90331735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322183526.5U Active CN220672436U (en) | 2023-08-11 | 2023-08-11 | Arc extinguishing device of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220672436U (en) |
-
2023
- 2023-08-11 CN CN202322183526.5U patent/CN220672436U/en active Active
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