CN219832508U - Circuit breaker arc striking structure and circuit breaker - Google Patents
Circuit breaker arc striking structure and circuit breaker Download PDFInfo
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- CN219832508U CN219832508U CN202320988654.4U CN202320988654U CN219832508U CN 219832508 U CN219832508 U CN 219832508U CN 202320988654 U CN202320988654 U CN 202320988654U CN 219832508 U CN219832508 U CN 219832508U
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- 238000012423 maintenance Methods 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 11
- 238000002474 experimental method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 230000008439 repair process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model discloses an arc striking structure of a circuit breaker and the circuit breaker, which comprise a main equipment box, wherein a rear maintenance cover plate is movably sleeved on the outer surface of the rear end of the main equipment box, a trademark information display block is connected to the outer surface of one side of the main equipment box in a threaded manner, when the device is used, the main equipment box can meet the use requirements of fixed brackets with different sizes through a fixed clamp base and a fixed clamp top seat, a user can press a fixed clamp adjusting button according to the size of the fixed bracket to adjust the position relationship between the fixed clamp base and the fixed clamp top seat through connecting sliding teeth, so that the main equipment box can be completely fixed on the fixed bracket, and meanwhile, a fault indicator lamp arranged can be installed on the circuit breaker simultaneously for conveniently and rapidly distinguishing which electric wire is overloaded under high voltage, so that the time of the maintenance person is saved, and a better use prospect can be brought.
Description
Technical Field
The utility model relates to the field of power equipment, in particular to an arc striking structure of a circuit breaker and the circuit breaker.
Background
The circuit breaker is a switching device capable of switching on and off current under normal loop conditions and switching on and off current under abnormal loop conditions within a specified time, the circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the high-voltage boundary line is divided into more fuzzy, the high-voltage boundary line is generally called a high-voltage electric appliance above 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, protection is carried out on a power supply circuit, a motor and the like, the circuit can be automatically cut off when serious overload, short circuit, undervoltage and other faults occur on the circuit, the function of the circuit breaker is equivalent to the combination of a fuse type switch, an underheating relay and the like, and parts are not required to be changed after breaking fault current. The power distribution system comprises a transformer and various high-low voltage electrical equipment, a low-voltage circuit breaker is an electrical appliance with wide application range, and the prior (CN 216671543U) discloses a circuit breaker arcing structure and a circuit breaker, which relate to the technical field of the electrical equipment. The circuit breaker arc striking structure comprises an incoming line terminal, a first conducting plate, a fixed contact, a moving contact, a release, a second conducting plate and an outgoing line terminal; the wire inlet terminal and the wire outlet terminal are positioned on the same side of the shell of the circuit breaker, the moving contact of the circuit breaker is electrically connected with the release, and the first conducting plate, the second arc striking plate of the circuit breaker, the first arc striking plate of the circuit breaker and the second conducting plate are arranged along the arrangement direction of the wire inlet terminal and the wire outlet terminal; when the incoming line terminal and the outgoing line terminal are electrified and the circuit breaker is in a breaking process, when an arc generated between the moving contact and the fixed contact is transferred towards an arc extinguishing chamber of the circuit breaker, the first arc striking plate and the second arc striking plate generate current, the current directions of the first conductive plate and the second arc striking plate are the same, and the current directions of the second conductive plate and the first arc striking plate are the same. The circuit breaker comprises the circuit breaker arc striking structure. The circuit breaker arc striking structure can accelerate the transfer of the electric arc.
It still has some drawbacks such as: the mode that is unified to adopt of being connected between current circuit breaker and the support is screw connection, screw slipping's phenomenon and screw connection's mode can not make equipment main part box satisfy the user demand of equidimension fixed bolster easily in the use, current equipment is all that many electric wires are simultaneously to be installed on a circuit breaker in the use moreover, appear the condition that the electric leakage appears in certain electric wire position when installing many electric wires on the circuit breaker, maintenance personal need extravagant a large amount of time go to inspect one by one when the maintenance, maintenance personal's time has been wasted, maintenance personal's work burden has been increased, maintenance personal need extravagant a large amount of time when the maintenance is needed to appear in certain part inside equipment main part box in the use, so current circuit breaker brings a great deal of adverse effect and a great deal of inconvenience for the user in the use.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an arc striking structure of a circuit breaker and the circuit breaker.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a circuit breaker striking structure and circuit breaker, includes equipment main part box, the rear end surface activity of equipment main part box has cup jointed the rear-end maintenance apron, one side surface threaded connection of equipment main part box has trade mark information show piece, the front end surface swing joint of equipment main part box has circuit breaker experiment key, the lower extreme electric wire fixed orifices has been seted up to the front end surface of equipment main part box, the front end surface activity of equipment main part box has cup jointed manual push-pull handle, the upper end electric wire fixed orifices has been seted up to the front end surface of equipment main part box, the upper end wire casing has been seted up to the upper end surface of equipment main part box.
Preferably, the upper end surface screw thread of equipment main part box has cup jointed the fault indication lamp, the lower extreme external surface fixedly connected with heat sensor of fault indication lamp, for the activity cup joint between heat sensor and the equipment main part box, spacing steel ball has been cup jointed in the activity of one side surface of equipment main part box, the fixation clamp base has been seted up to one side surface of equipment main part box.
Preferably, a transverse wiring port is formed in the outer surface of one side of the equipment main body box, a fixing clamp base is fixedly connected with the outer surface of the rear end of the rear maintenance cover plate, and a radiating fin is fixedly connected with the outer surface of one side of the equipment main body box.
Preferably, the upper end surface swing joint of fixation clamp base has the fixation clamp footstock, the lower extreme external surface fixedly connected with of fixation clamp footstock connects smooth tooth, one side external surface swing joint of fixation clamp footstock has fixation clamp adjustment button, connect smooth tooth and fixation clamp base between for the activity cup joints.
Preferably, the upper end internal surface fixed screw of equipment main part box and have the handle fixed block, be fixed the cup joint between handle fixed block and the manual push-and-pull handle, the front end surface fixedly connected with of rear-mounted maintenance apron connects the bolt, the one side surface activity of connecting the bolt has cup jointed spacing steel ball.
Preferably, the outer surface of the rear end of the equipment main body box is provided with a bolt placement hole, the outer surface of one side of the equipment main body box is provided with a steel ball limiting hole, a movable sleeve joint is arranged between the limiting steel ball and the steel ball limiting hole, a movable sleeve joint is arranged between the connecting bolt and the bolt placement hole, and a movable sleeve joint is arranged between the connecting bolt and the equipment main body box.
The utility model has the following beneficial effects:
1. when using this device, can make equipment main part box can satisfy the user demand of equidimension fixed bolster through the fixation clamp base that sets up with the fixation clamp footstock, the user presses fixation clamp adjustment button according to the size of fixed bolster and adjusts the positional relationship of fixation clamp base and fixation clamp footstock through connecting smooth tooth for equipment main part box can be complete fix on the fixed bolster, can install under the condition of a circuit breaker simultaneously with the electric wire through the trouble indicator that sets up simultaneously, conveniently for the quick discernment of repair personnel which electric wire appears high pressure overload and the outage phenomenon that appears, saved repair personnel's time.
2. When the device is used, the equipment main body box can be quickly disassembled by the aid of the set rear maintenance cover plate and the connecting bolt, when the parts in the equipment main body box are worn and maintenance heat is needed, the maintenance personnel only need to separate the limit steel balls from the limit steel ball holes, and the connecting bolt and the bolt placement hole are separated, so that the fault indicator lamp can be quickly disassembled, damaged parts in the equipment main body box are replaced, the working time of the maintenance personnel is saved, and the flexibility of the equipment is improved.
Drawings
Fig. 1 is a schematic diagram of an arc striking structure of a circuit breaker and the circuit breaker according to the present utility model;
fig. 2 is a schematic structural diagram of an arc striking structure of a circuit breaker and a fault indicator lamp in the circuit breaker according to the present utility model;
fig. 3 is a schematic structural view of an arc striking structure of a circuit breaker and a fixing clamp in the circuit breaker according to the present utility model;
fig. 4 is a schematic structural diagram of an arc striking structure of a circuit breaker and a rear maintenance cover plate in the circuit breaker according to the present utility model.
In the figure: 1. an apparatus main body case; 2. a rear maintenance cover plate; 3. trademark information display blocks; 4. breaker experiment key; 5. a lower wire fixing hole; 6. a manual push-pull handle; 7. an upper end wire fixing hole; 8. the upper end is connected with the wire slot; 9. a fault indicator light; 10. a heat sensor; 11. limiting the steel balls; 12. a transverse wiring port; 13. a fixing clamp base; 14. a heat sink; 15. connecting sliding teeth; 16. a fixed clip top seat; 17. a fixation clamp adjusting button; 18. a plug pin mounting hole; 19. a connecting bolt; 20. a steel ball limiting hole; 21. handle fixed block.
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.
Referring to fig. 1-4, a circuit breaker striking structure and circuit breaker, including equipment main part box 1, rear end surface activity of equipment main part box 1 has cup jointed rearmounted maintenance apron 2, one side surface threaded connection of equipment main part box 1 has trade mark information show piece 3, front end surface swing joint of equipment main part box 1 has circuit breaker experiment key 4, lower extreme electric wire fixed orifices 5 have been seted up to the front end surface of equipment main part box 1, manual push-pull handle 6 has been cup jointed to the front end surface activity of equipment main part box 1, upper end electric wire fixed orifices 7 have been seted up to the front end surface of equipment main part box 1, upper end termination wire casing 8 has been seted up through the upper end surface of equipment main part box 1, can facilitate the use quick use information of knowing equipment main part box 1 itself through trade mark information show piece 3 that sets up, the in-process error has been avoided after the use, the practicality of equipment has been promoted. Specifically, other related structures in the present utility model are as follows: the main body box and the working principle of the device are the same as those in the prior art, and redundant description is omitted here.
In this embodiment, as shown in fig. 1-4, the upper end outer surface of the device main body box 1 is screw-sleeved with the fault indicator 9, the lower end outer surface of the fault indicator 9 is fixedly connected with the heat sensor 10, the heat sensor 10 is movably sleeved with the device main body box 1, the outer surface of one side of the device main body box 1 is movably sleeved with the limit steel ball 11, the outer surface of one side of the device main body box 1 is provided with the fixing clip base 13, and the power-off phenomenon which occurs due to high-voltage overload can be conveniently and rapidly distinguished for repair personnel through the arranged fault indicator 9, so that the time of the repair personnel is saved.
In this embodiment, as shown in fig. 1-4, a fixing clip base 13 is fixedly connected to the outer surface of the rear end of the maintenance cover plate 2 with the transverse wiring port 12 formed on the outer surface of one side of the main body box 1, and a cooling fin 14 is fixedly connected to the outer surface of one side of the main body box 1, so that high temperature generated by the internal equipment of the main body box 1 can be rapidly dissipated through the cooling fin 14, the service life of the main body box 1 is prolonged, and the maintenance cost of the main body box 1 for a user in the later period is reduced.
In this embodiment, as shown in fig. 1-4, the outer surface of the upper end of the fixing clip base 13 is movably connected with a fixing clip top seat 16, the outer surface of the lower end of the fixing clip top seat 16 is fixedly connected with a connecting sliding tooth 15, one side outer surface of the fixing clip top seat 16 is movably connected with a fixing clip adjusting button 17, the connecting sliding tooth 15 is movably sleeved with the fixing clip base 13, the fixing clip base 13 and the fixing clip top seat 16 can be completely connected through the connecting sliding tooth 15, and the position relationship between the fixing clip base 13 and the fixing clip top seat 16 can be adjusted according to the size of the fixing bracket under the control of the fixing clip adjusting button 17, so that the fixing clip base 13 and the fixing clip top seat 16 are more stable.
In this embodiment, as shown in fig. 1-4, the upper end inner surface of the device main body box 1 is fixed with a screw and a handle fixing block 21, the handle fixing block 21 is fixedly sleeved with the manual push-pull handle 6, the front end outer surface of the rear maintenance cover plate 2 is fixedly connected with a connecting bolt 19, one side outer surface of the connecting bolt 19 is movably sleeved with a limit steel ball 11, the maintenance and disassembly mode of the existing circuit breaker is changed through the arranged rear maintenance cover plate 2, and the time of maintenance personnel is saved.
In this embodiment, as shown in fig. 1-4, the outer surface of the rear end of the device main body box 1 is provided with the bolt placement hole 18, the outer surface of one side of the device main body box 1 is provided with the steel ball limit hole 20, the limit steel ball 11 is movably sleeved with the steel ball limit hole 20, the connecting bolt 19 is movably sleeved with the bolt placement hole 18, the connecting bolt 19 is movably sleeved with the device main body box 1, the device main body box 1 and the rear maintenance cover plate 2 can be quickly connected through the connecting bolt 19, the falling phenomenon of the rear maintenance cover plate 2 in the use process is avoided, and the safety of the device is improved.
The application method and the advantages of the utility model are as follows: when the circuit breaker arc striking structure and the circuit breaker are used, the working process is as follows:
as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when the device is used, an arc striking structure of a circuit breaker and the circuit breaker are provided, firstly, a user presses a fixing clamp adjusting button 17 according to the size of a fixing support to adjust the position relation between a fixing clamp base 13 and a fixing clamp top seat 16 through a connecting sliding tooth 15, so that a device main body box 1 can be completely fixed on the fixing support, meanwhile, under the condition that a plurality of wires are simultaneously installed on one circuit breaker through a set fault indicator 9, the device main body box 1 is convenient to distinguish which wire is in high voltage overload to appear, the time of the maintenance personnel is saved, when the part in the device main body box 1 is in loss, the maintenance personnel only needs to separate a limit steel ball 11 from a steel ball limit hole 20, a connecting bolt 19 and a bolt installation hole 18, and the fault indicator 9 can be quickly detached from a rear maintenance cover plate 2, so that the damaged part in the device main body box 1 is replaced, and the rear maintenance cover plate 2 is overlapped with the device main body box 1 after the replacement is completed. Can make equipment main part box 1 can satisfy the user demand of equidimension fixed bolster through the fixation clamp base 13 and the fixation clamp footstock 16 that set up, the user presses fixation clamp adjustment button 17 according to the size of fixed bolster and adjusts the positional relationship of fixation clamp base 13 and fixation clamp footstock 16 through connecting smooth tooth 15 for equipment main part box 1 can be complete fix on the fixed bolster, simultaneously can install under the condition of a circuit breaker with the electric wire simultaneously through the trouble indicator 9 that sets up, conveniently for the quick discernment of repair personnel which electric wire appears high pressure overload and the outage phenomenon that appears, saved the time of maintenance personal.
According to the above, through the rear maintenance apron 2 and the connecting bolt 19 that set up, can make the quick dismantlement equipment main part box 1 of maintenance personnel, when the inside part of equipment main part box 1 appears wearing and tearing need maintenance heat for the maintenance personnel only need with spacing steel ball 11 and spacing hole 20 separation of steel ball, connecting bolt 19 and bolt arrangement hole 18 separation fault indication lamp 9 can quick pull down rear maintenance apron 2 to change the inside damaged part of equipment main part box 1, saved maintenance personnel's operating time, promoted the flexibility of equipment.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a circuit breaker striking structure and circuit breaker, includes equipment main part box (1), its characterized in that, rear end surface activity of equipment main part box (1) has cup jointed rearmounted maintenance apron (2), one side surface threaded connection of equipment main part box (1) has trade mark information show piece (3), front end surface swing joint of equipment main part box (1) has circuit breaker experiment key (4), lower extreme electric wire fixed orifices (5) have been seted up to the front end surface of equipment main part box (1), manual push-and-pull handle (6) have been cup jointed in the front end surface activity of equipment main part box (1), upper end electric wire fixed orifices (7) have been seted up to the front end surface of equipment main part box (1), upper end wire slot (8) have been seted up to the upper end surface of equipment main part box (1).
2. The arc striking structure of a circuit breaker and the circuit breaker according to claim 1, wherein a fault indicator lamp (9) is sleeved on the outer surface of the upper end of the equipment main body box (1) through threads, a heat sensor (10) is fixedly connected to the outer surface of the lower end of the fault indicator lamp (9), the heat sensor (10) is movably sleeved with the equipment main body box (1), a limit steel ball (11) is movably sleeved on the outer surface of one side of the equipment main body box (1), and a fixing clamp base (13) is arranged on the outer surface of one side of the equipment main body box (1).
3. The circuit breaker arc striking structure and the circuit breaker according to claim 1, wherein a lateral wiring port (12) is formed on the outer surface of one side of the equipment main body box (1), a fixing clamp base (13) is fixedly connected with the outer surface of the rear end of the rear maintenance cover plate (2), and a radiating fin (14) is fixedly connected with the outer surface of one side of the equipment main body box (1).
4. The arc striking structure of a circuit breaker and the circuit breaker according to claim 2, wherein a fixing clip top seat (16) is movably connected to the outer surface of the upper end of the fixing clip base (13), a connecting sliding tooth (15) is fixedly connected to the outer surface of the lower end of the fixing clip top seat (16), a fixing clip adjusting button (17) is movably connected to the outer surface of one side of the fixing clip top seat (16), and the connecting sliding tooth (15) is movably sleeved with the fixing clip base (13).
5. The arc striking structure of the circuit breaker and the circuit breaker according to claim 2, wherein the upper end inner surface of the equipment main body box (1) is fixedly provided with a screw and a handle fixing block (21), the handle fixing block (21) is fixedly sleeved with a manual push-pull handle (6), the outer surface of the front end of the rear maintenance cover plate (2) is fixedly connected with a connecting plug pin (19), and one side outer surface of the connecting plug pin (19) is movably sleeved with a limiting steel ball (11).
6. The arc striking structure of a circuit breaker and the circuit breaker according to claim 5, wherein a bolt placement hole (18) is formed in the outer surface of the rear end of the equipment main body box (1), a steel ball limiting hole (20) is formed in the outer surface of one side of the equipment main body box (1), a movable sleeve is arranged between the limiting steel ball (11) and the steel ball limiting hole (20), a movable sleeve is arranged between the connecting bolt (19) and the bolt placement hole (18), and a movable sleeve is arranged between the connecting bolt (19) and the equipment main body box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320988654.4U CN219832508U (en) | 2023-04-27 | 2023-04-27 | Circuit breaker arc striking structure and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320988654.4U CN219832508U (en) | 2023-04-27 | 2023-04-27 | Circuit breaker arc striking structure and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219832508U true CN219832508U (en) | 2023-10-13 |
Family
ID=88281376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320988654.4U Active CN219832508U (en) | 2023-04-27 | 2023-04-27 | Circuit breaker arc striking structure and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219832508U (en) |
-
2023
- 2023-04-27 CN CN202320988654.4U patent/CN219832508U/en active Active
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