CN215418073U - Deionization device of high-voltage circuit breaker - Google Patents
Deionization device of high-voltage circuit breaker Download PDFInfo
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- CN215418073U CN215418073U CN202121046802.8U CN202121046802U CN215418073U CN 215418073 U CN215418073 U CN 215418073U CN 202121046802 U CN202121046802 U CN 202121046802U CN 215418073 U CN215418073 U CN 215418073U
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- circuit breaker
- deionization
- deionization device
- arc
- mounting groove
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Abstract
The utility model discloses a deionization device of a high-voltage circuit breaker, which belongs to the technical field of low-voltage electricity and comprises a circuit breaker and a deionization device movably assembled in the circuit breaker and used for eliminating dissociative gas in the circuit breaker, wherein a clamping structure is formed by mutually assembling an installation block and a first installation groove between the deionization device and the circuit breaker, an embedding part capable of embedding the deionization device on a circuit breaker shell is arranged on a cover cap of the deionization device, the convenience and firmness of installation are further improved, the cover cap is divided into a plurality of arc striking areas through the installation block, a plurality of third installation grooves used for installing a first arc striking plate are obliquely arranged in the arc striking areas, and the protection grade of the deionization device is further improved.
Description
Technical Field
The utility model belongs to the technical field of low-voltage electricity, and particularly relates to a dissociation eliminating device of a high-voltage circuit breaker.
Background
When the breaker breaks off large current, a large amount of high-temperature metal particles can be generated, and the high-temperature metal particles are discharged to the outside of the breaker through the air outlet of the arc extinguish chamber. However, the arcing distance during the breaking process of the low-voltage circuit breaker under high voltage is often farther under lower voltage, which is unfavorable for the safety application of the circuit breaker.
The existing circuit breaker also has the following defects in use.
Because the prior art usually solves the safety problem caused by arcing when the breaker is disconnected from three directions: 1) and the arc extinguishing system is optimized to reduce the arcing distance. But the method is difficult to completely solve the problem of arcing at present. 2) A filtering device is added at the exhaust port of the circuit breaker to eliminate flashover. Although the scheme can greatly reduce the flashover distance, the defects of cost increase and the like exist at the same time. 3) And a free eliminating device, namely a terminal cover is added, so that the flashover is isolated from a main circuit, the height of the incoming and outgoing line direction of the circuit breaker is increased, the flashover distance is ensured to be smaller than the height of the terminal, and zero flashover is realized. At present, the three methods are used for solving the problem of arcing in the breaking process of the circuit breaker under the high voltage condition, wherein the method for adding the terminal cover is most widely applied, and the implementation difficulty is small and the method is relatively most effective. Therefore, there is a need for a deionization apparatus for a high voltage circuit breaker.
Disclosure of Invention
Aiming at the problems that the existing deionization device of the circuit breaker is not easy to install and fix and has poor protection grade, the utility model provides the deionization device of the high-voltage circuit breaker, the deionization device and the circuit breaker are mutually matched by adopting an installation block and a first installation groove to form a clamping structure, an embedding part which can embed the deionization device on a shell of the circuit breaker is arranged on a cover cap of the deionization device, the installation convenience and firmness are further improved, the cover cap is divided into a plurality of arc striking areas through the installation block, and a plurality of third installation grooves used for installing a first arc striking plate are obliquely arranged in the arc striking areas, so that the protection grade of the deionization device is further improved.
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a high voltage circuit breaker's free device that disappears, includes the circuit breaker, with the activity be assembled in this circuit breaker and be used for realizing eliminating the free device that disappears of free gas in the circuit breaker, it is equipped with the joint structure with circuit breaker each other to disappear free device.
Preferably, the deionization apparatus includes a cover housing interfitted with the circuit breaker and provided with a snap structure, wherein the snap structure is a mounting block and a first mounting groove which are interfitted.
Preferably, the circuit breaker includes a housing, terminals are disposed on two sides of the housing, and the first mounting groove is disposed in the housing vertically downward along a direction of the terminals.
Preferably, the mounting block extends downward in the vertical direction of the circuit breaker, and the extended mounting block divides the cover into a plurality of arc striking zones.
Preferably, the inner wall of the arc striking area is provided with a second mounting groove and a third mounting groove for assembly, wherein the second mounting groove is internally provided with a protective plate for protection, and the third mounting groove is internally provided with a first arc striking plate for arc striking.
Preferably, the third mounting groove is obliquely arranged on the arc ignition area of the cover.
Preferably, the cover is provided with an embedding part extending downwards along the shell, a fourth mounting groove for assembling a second arc striking plate is formed on the embedding part, and the second arc striking plate is assembled with the fourth mounting groove through an inserting part.
Preferably, a connecting plate connected to the terminal is further provided at the terminal, the connecting plate fitting with the terminal through the mounting hole.
Preferably, one end of the protection plate is integrally injection-molded with a bent portion, the bent portion is disposed toward the housing, and the bent portion abuts against the connection plate.
Preferably, the cover cap is provided with a projection for clamping and placing the connecting plate, and the cover cap is provided with a heat dissipation hole for dissipating heat.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
(1) according to the utility model, the mounting block and the first mounting groove are mutually matched to form a clamping structure between the deionization device and the circuit breaker, the cover cap of the deionization device is provided with the embedding part which can be used for embedding the deionization device on the circuit breaker shell, and the embedding part is embedded into the accommodating cavity which is used for accommodating the terminal on the circuit breaker shell, so that the holistic deionization device is more convenient to mount and dismount, and the convenience and firmness of mounting are further improved.
(2) According to the utility model, the cover cap is divided into a plurality of arc striking areas through the mounting block, a plurality of third mounting grooves for mounting the first arc striking plates are obliquely arranged on the inner wall of each arc striking area, more first arc striking plates can be accommodated in the arc striking areas in an oblique design, the arc striking plates are made of iron and provided with a plurality of round holes, the arc striking effect of the dissociation eliminating device is further improved, and the protection grade is enhanced.
Drawings
Fig. 1 is a schematic view of an overall structure of a deionization apparatus for a high voltage circuit breaker.
Fig. 2 is a schematic structural view (1) of a deionization apparatus of a high voltage circuit breaker.
Fig. 3 is a schematic structural view (2) of a deionization apparatus of a high voltage circuit breaker.
Fig. 4 is a schematic diagram of a circuit breaker structure of a deionization apparatus for a high voltage circuit breaker.
Fig. 5 is a schematic view of an installation structure of a circuit breaker, a connection plate and a protection plate of a deionization apparatus for a high voltage circuit breaker.
Fig. 6 is a schematic view of the entire bottom structure of a deionization apparatus for a high voltage circuit breaker.
Fig. 7 is a schematic view of an installation structure of a connection plate and a protection plate of a deionization apparatus of a high voltage circuit breaker.
Fig. 8 is a schematic diagram of a first arc striking plate structure of a deionization apparatus of a high voltage circuit breaker.
Fig. 9 is a schematic diagram of a second arc striking plate structure of a deionization apparatus of a high voltage circuit breaker.
Fig. 10 is a side view of a cover of a deionization apparatus for a high voltage circuit breaker.
The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:
100. a circuit breaker; 200. a deionization device;
10. a housing; 101. a first mounting groove; 11. a terminal;
20. a cover; 201. mounting blocks; 202. a second mounting groove; 203. a third mounting groove; 204. an insertion section; 2041. a fourth mounting groove; 205. a bump; 21. a protection plate; 211. a bending section; 22. a connecting plate; 221. mounting holes; 23. a first arc striking plate; 24. a second arc striking plate; 241. an insertion portion.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 10, which are schematic structural diagrams of an ionization eliminating device for a high voltage circuit breaker according to a preferred embodiment of the present invention, in this embodiment, the ionization eliminating device includes a circuit breaker 100 and an ionization eliminating device 200 movably mounted on the circuit breaker 100 and used for eliminating ionized gas in the circuit breaker 100, a clamping structure is provided between the ionization eliminating device 200 and the circuit breaker 100, and the design of the clamping structure enables quick mounting and dismounting between the ionization eliminating device 200 and the circuit breaker 100, thereby further achieving convenience in mounting between the two.
In this embodiment, the deionization device 200 includes a cover 20 that is configured with a clamping structure with the circuit breaker 100, where the clamping structure includes an installation block 201 and a first installation groove 101 that are configured with each other, the installation block 201 that is disposed on the cover 20 and the first installation groove 101 that is disposed on the housing 10 are configured with each other to form a clamping structure, and the installation block 201 and the first installation groove 101 also have installation guiding functions, so that the deionization device 200 and the circuit breaker 100 can be installed more conveniently and quickly.
In this embodiment, the circuit breaker 100 includes a housing 10, terminals 11 are disposed on two sides of the housing 10, the first mounting groove 101 is disposed on the housing 10 along the direction of the terminals 11, the housing 10 is disposed on two sides of the housing 10 and is used for accommodating the terminals 11, and the first mounting groove 101 is disposed on the accommodating cavity in a penetrating manner, so that the cover 20 is assembled with the housing 10, and arc striking is effectively formed on the terminal 11.
In this embodiment, the mounting block 201 extends downward along the vertical direction of the circuit breaker 100, the extending mounting block 201 divides the cover 20 into a plurality of arc striking areas, the extending length of the mounting block 201 matches with the first mounting groove 101, so that the card assembly of the deionization device 200 and the circuit breaker 100 is realized, meanwhile, the mounting block 201 divides the cover 20 into a plurality of arc striking areas, the arc striking areas and the cavity for accommodating the terminal 11 form a closed arc striking space when the cover 20 is assembled, and high temperature and high pressure generated by the terminal 11 and ionized gas are guided and discharged.
In this embodiment, the inner wall of the arc striking area is provided with a second mounting groove 202 and a third mounting groove 203 for assembly, wherein the protection plate 21 for protection is assembled in the second mounting groove 202, the first arc striking plate 23 for arc striking is assembled in the third mounting groove 203, the protection plate 21 is movably mounted in the second mounting groove 202 by a sliding groove, so that the installation is more convenient, and meanwhile, when the service cycle is too long, the protection plate 21 is convenient to replace, thereby prolonging the service life of the deionization device 200, the first arc striking plate 23 is made of iron material, and meanwhile, a plurality of round holes are formed in the first arc striking plate 23, so that the first arc striking plate 23 has a stronger arc striking effect.
In this embodiment, the third mounting groove 203 is obliquely disposed in the arc striking area of the cover 20, and the oblique arrangement enables the arc striking area to accommodate more first arc striking plates 23, so that the arc striking effect and the protection level are better.
In this embodiment, the cover 20 is provided with an insertion portion 204 extending downward from the housing 10, the insertion portion 204 is provided with a fourth mounting groove 2041 for mounting the second arc-striking plate 24, the second arc-striking plate 24 is mounted to the fourth mounting groove 2041 through the insertion portion 241, the insertion portion 204 is embedded into the upper portion of the receiving cavity of the housing 10 of the circuit breaker 100 for receiving the terminal 11, the second arc-striking plate 24 is inserted into the fourth mounting groove 2041 of the insertion portion 204 through the insertion portion 241, and the second arc-striking plate 24 is designed to effectively prevent the high-temperature and high-pressure gas after ionization from escaping from the upper portion of the terminal 11, thereby causing loss and further improving the protection level of the ionization eliminator 200.
In this embodiment, the terminal 11 is further provided with a connecting plate 22 connected to the terminal 11, the connecting plate 22 is assembled with the terminal 11 through the mounting hole 221, and after the deionization apparatus 200 is assembled with the circuit breaker 100, the circuit breaker 100 can be used to connect other devices through the connecting plate 22 connected to the terminal 11, so as to increase the practicability.
In this embodiment, the one end of the protection plate 21 is integrally formed by injection molding to form a bending portion 211, the bending portion 211 is disposed toward the housing 10, the bending portion 211 abuts against the connecting plate 22, the bending portion 211 is disposed between the terminal 11 and the housing 10, the protection plate 21 is made of flame-retardant nylon, the damage to the terminal 11 caused by the direct ejection of the ionized gas at high temperature and high pressure from the inside of the circuit breaker 100 is effectively prevented, and the protection level of the deionization device 200 is further improved.
In this embodiment, be equipped with the lug 205 that is used for the joint to place connecting plate 22 on shroud 20, and it has the louvre that is used for dredging the heat to open on this shroud 20, connecting plate 22 one end links to each other with terminal 11 and realizes the fastening, the lug 205 is arranged in to the other end, make this connecting plate 22 place more stably, be equipped with a plurality of louvres on the shroud 20, when striking the arc in-process and when this disappears and dissociate in the device 200 and produce a large amount of heats, derive the heat fast through the louvre, promoted the life who dissociates the device 200 when reducing the temperature rise.
While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.
Claims (6)
1. A deionization device of a high-voltage circuit breaker,
the method is characterized in that:
the circuit breaker comprises a circuit breaker (100) and a deionization device (200) movably assembled in the circuit breaker (100) and used for eliminating free gas in the circuit breaker (100), wherein the deionization device (200) is provided with a clamping structure in an matched manner with the circuit breaker (100), the deionization device (200) comprises a cover cap (20) which is provided with the clamping structure in an matched manner with the circuit breaker (100), the clamping structure comprises an installation block (201) and a first installation groove (101) which are matched with each other, the circuit breaker (100) comprises a shell (10), terminals (11) are arranged on two sides of the shell (10), the first installation groove (101) is vertically and downwards arranged on the shell (10) along the direction of the terminals (11), the installation block (201) extends downwards along the vertical direction of the circuit breaker (100), the cover cap (20) is divided into a plurality of arc-leading regions by the extended installation block (201), and a second installation groove (202) and a third installation groove (203) which are used for assembly are arranged on the inner wall of the arc-leading regions, wherein, a protective plate (21) for protection is arranged in the second mounting groove (202), and a first arc striking plate (23) for arc striking is arranged in the third mounting groove (203).
2. The deionization apparatus of the high voltage circuit breaker according to claim 1, wherein: the third mounting groove (203) is obliquely arranged in an arc striking area of the cover cap (20).
3. The deionization apparatus of the high voltage circuit breaker according to claim 1, wherein: the cover (20) is provided with an embedded part (204) extending downwards along the shell (10), a fourth mounting groove (2041) for assembling a second arc ignition plate (24) is formed in the embedded part (204), and the second arc ignition plate (24) is assembled with the fourth mounting groove (2041) through an insertion part (241).
4. The deionization apparatus of the high voltage circuit breaker according to claim 1, wherein: and a connecting plate (22) connected with the terminal (11) is also arranged at the terminal (11), and the connecting plate (22) is assembled with the terminal (11) through a mounting hole (221).
5. The deionization apparatus of the high voltage circuit breaker according to claim 1, wherein: one end of the protection plate (21) is integrally provided with a bending part (211) in an injection molding mode, the bending part (211) is arranged towards the shell (10), and the bending part (211) is abutted to the connecting plate (22).
6. The deionization apparatus of the high voltage circuit breaker according to claim 3, wherein: the cover cap (20) is provided with a convex block (205) for clamping and placing the connecting plate (22), and the cover cap (20) is provided with a heat dissipation hole for dissipating heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121046802.8U CN215418073U (en) | 2021-05-17 | 2021-05-17 | Deionization device of high-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121046802.8U CN215418073U (en) | 2021-05-17 | 2021-05-17 | Deionization device of high-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215418073U true CN215418073U (en) | 2022-01-04 |
Family
ID=79675734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121046802.8U Active CN215418073U (en) | 2021-05-17 | 2021-05-17 | Deionization device of high-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215418073U (en) |
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2021
- 2021-05-17 CN CN202121046802.8U patent/CN215418073U/en active Active
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