CN116682708A - Auxiliary tripping device of circuit breaker - Google Patents
Auxiliary tripping device of circuit breaker Download PDFInfo
- Publication number
- CN116682708A CN116682708A CN202310739917.2A CN202310739917A CN116682708A CN 116682708 A CN116682708 A CN 116682708A CN 202310739917 A CN202310739917 A CN 202310739917A CN 116682708 A CN116682708 A CN 116682708A
- Authority
- CN
- China
- Prior art keywords
- insulating pad
- shell
- trigger
- circuit breaker
- sliding block
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004809 Teflon Substances 0.000 claims description 7
- 229920006362 Teflon® Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000009825 accumulation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010891 electric arc Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
Landscapes
- Breakers (AREA)
Abstract
The invention discloses an auxiliary tripping device of a circuit breaker, and relates to the technical field of tripping devices of circuit breakers. It comprises a housing; the wiring mechanism comprises an upper wiring terminal and a lower wiring terminal which are arranged in the shell, and the upper wiring terminal and the lower wiring terminal are respectively connected with conductive contacts through conductive sheets; an insulating pad connected with the traction mechanism is arranged between the conductive contacts; the outer wall of the insulating pad is provided with a window; a trigger is rotatably arranged in the shell; the triggering mechanism comprises a coil; an iron core is inserted in the coil, and the iron core is supported by a spring. The beneficial effects of the invention are as follows: the circuit breaker makes the separation and the contact of conductive contact along the vertical direction by the lateral movement of insulating pad to cut off and switch on the circuit, the action range and the vibration rod range of conductive contact are little, and the enhancement stability in use, and the insulating pad cleans the conductive contact surface, erases the oxidation point, keeps good contact, reduces electric arc and produces, and the flexible operation improves safety in utilization and reliability.
Description
Technical Field
The invention relates to the technical field of tripping devices of circuit breakers.
Background
The circuit breaker is a switching device which can switch on, bear and break off the current under the normal loop condition and can switch on, bear and break off the current under the abnormal loop condition within a specified time, the air switch is also called an air circuit breaker, which integrates control and various protection functions, when the air switch is used, the air switch is used for mutually contacting or breaking contact by moving the handle toggle contact, when the air switch is used for breaking the handle toggle contact by driving the release, the moving range of the handle toggle contact is large, the large-range movement of the contact is extremely easy to cause damage and increase abrasion, the service life of the air switch is reduced, and the air switch can not be maintained, is easy to oxidize and can generate potential safety hazards along with the increase of the using time.
Disclosure of Invention
The invention aims to solve the technical problems and provides an auxiliary tripping device for a circuit breaker. The circuit breaker makes the separation and the contact of conductive contact along the vertical direction by the lateral movement of insulating pad to cut off and switch on the circuit, the action range and the vibration rod range of conductive contact are little, and the enhancement stability in use, and the insulating pad cleans the conductive contact surface, erases the oxidation point, keeps good contact, reduces electric arc and produces, and the flexible operation improves safety in utilization and reliability.
The technical scheme adopted by the invention is as follows: an auxiliary tripping device of a circuit breaker is provided, which comprises a shell; a wiring mechanism, a pulling mechanism and a triggering mechanism are arranged in the shell; the wiring mechanism comprises an upper wiring terminal and a lower wiring terminal which are arranged in the shell, and the upper wiring terminal and the lower wiring terminal are respectively connected with conductive contacts through conductive sheets; an insulating pad connected with the traction mechanism is arranged between the conductive contacts, the conductive contacts are separated from each other through the insulating pad, and the insulating pad penetrates out of the shell; the outer wall of the insulating pad is provided with a window, and the traction assembly pulls the insulating pad to move so that the conductive contacts are contacted with each other through the window; a trigger is rotatably arranged in the shell; the pulling mechanism is subjected to position constraint in the shell through the trigger, and the trigger releases the constraint on the pulling mechanism through the trigger mechanism; the trigger mechanism comprises a coil, the coil is positioned between one group of conductive sheets and the conductive contacts, and two ends of the coil are respectively communicated with the conductive sheets and the conductive contacts; an iron core is inserted in the coil, and the iron core is supported by a spring; the iron core is in contact with the trigger.
Further optimizing the technical scheme, the pulling mechanism of the auxiliary tripping device of the circuit breaker comprises a sliding groove arranged on the inner wall of the shell, and a sliding block is arranged in the sliding groove in a sliding way; one side of the outer wall of the sliding block is fixedly connected with the insulating pad; the outer wall of the sliding block is provided with a clamping groove; the trigger is clamped with the clamping groove to carry out position constraint on the sliding block; and one side of the outer wall of the sliding block opposite to the insulating pad is provided with a power storage traction assembly.
Further optimizing the technical scheme, the power storage traction assembly of the auxiliary tripping device of the circuit breaker comprises a power storage tension spring; two ends of the force accumulating tension spring are respectively and fixedly connected with the sliding block and the inner wall of the shell.
Further optimizing the technical scheme, the power storage traction assembly of the auxiliary tripping device of the circuit breaker comprises a connecting shaft rotatably arranged with the shell through a power storage torsion spring; a traction belt is wound outside the connecting shaft; the traction belt is fixedly connected with the sliding block.
Further optimize this technical scheme, the auxiliary tripping device of circuit breaker insulating pad is the teflon material, and insulating pad surface is provided with and cleans the line.
Further optimizing the technical scheme, the outer wall of the insulating pad of the auxiliary tripping device of the circuit breaker is fixedly sleeved with a first limit pad and a second limit pad; the first spacing pad is located inside the shell, and the second spacing pad is located outside the shell.
The invention has the beneficial effects that:
1. the circuit is respectively connected with an upper wiring terminal and a lower wiring terminal of the circuit breaker, an insulating pad arranged between conductive contacts in the circuit breaker shell separates the conductive contacts to cut off the circuit, the conductive contacts are conducted after mutually contacting through windows arranged outside the insulating pad by pulling the insulating pad to move, the conductive contacts are separated and contacted in a small extent in the vertical direction by the transverse movement of the insulating pad, the action amplitude and the vibration amplitude of the conductive contacts are small, the stability of use is enhanced, metal fatigue resistance is realized, the Teflon material of the insulating pad is higher than the air insulation coefficient, when the Teflon material is inserted between the two conductive contacts, the arc extinguishing capability is strong, the conductive contacts are wiped when the insulating pad moves, the oxidation points on the surfaces of the conductive contacts are erased, the conductive contacts keep good contact, and the wiping effect of the wiping lines arranged on the surfaces of the insulating pad is improved;
2. when the insulating pad is pulled to move to enable the conductive contact to conduct a circuit through window contact, the insulating pad pulls the sliding block to move along the sliding groove, the sliding block stretches the power storage tension spring, or the pulling traction belt is pulled to release from the connecting shaft to enable the connecting shaft to drive the power storage tension spring to rotate to store power, after the sliding groove on the outer wall of the sliding block is clamped with the trigger, the clamping fit of the sliding groove and the trigger can provide the power storage tension spring or the rebound traction force of the power storage tension spring, so that the position of the sliding block is restrained, and the operation is simple, convenient and reliable
3. After the circuit is conducted, the trigger mechanism monitors the working state of the circuit, and after abnormality occurs in the circuit, the trigger is triggered to rotate and be separated from the clamping groove, at the moment, the sliding block loses constraint, so that the force storage tension spring or the force storage torsion spring in the force storage state pulls the sliding block and pulls the insulating pad to move, and the insulating pad team conductive contacts are separated, so that the circuit is cut off, and the circuit is flexible to use;
4. the coil of the trigger mechanism is connected with the conducting strip and the conducting contact respectively at two ends of the coil, when the circuit is conducted, the point flow in the circuit flows through the coil, but the contact in the circuit is short-circuited, the current flowing through the coil is increased, the magnetic force generated by the coil is increased, the adsorption capacity of the magnetic force to the iron core is increased, after the adsorption capacity of the magnetic force to the iron core is larger than the supporting force of the spring, the coil adsorbs the iron core to move to be contacted with the trigger, and the shell of the trigger mechanism is triggered to rotate to be separated from contact with the clamping groove, so that the traction mechanism pulls the sliding block and the insulating pad to cut off the circuit, and the use safety is improved
5. When the circuit is actively cut off, the insulating pad outside the shell is pushed to move in the shell, the insulating pad pushes the sliding block to move, the clamping groove is separated from the trigger, the circuit is cut off by pulling the insulating pad between the conductive contacts, and when the insulating pad moves along the shell, the first limiting pad and the second limiting pad on the outer wall of the insulating pad are respectively positioned inside the shell and outside the shell, so that the pulling interval of the insulating pad is limited, excessive pulling of the insulating pad is avoided, and the use reliability is improved.
Drawings
FIG. 1 is a schematic view of the internal structure of a circuit breaker driven by a power accumulating tension spring according to the present invention;
fig. 2 is a schematic diagram showing a trip status structure of a circuit breaker driven by a power storage tension spring according to the present invention
FIG. 3 is a schematic view of the internal structure of the circuit breaker driven by the power accumulating torsion spring of the present invention;
FIG. 4 is a schematic diagram of the trip status of the circuit breaker driven by the power accumulating torsion spring of the present invention;
FIG. 5 is a schematic diagram of an insulating pad according to the present invention;
FIG. 6 is a schematic diagram of a trigger mechanism according to the present invention;
fig. 7 is a schematic drawing showing the coil and core structure of the trigger mechanism of the present invention.
In the figure, 1, a shell; 2. an upper wiring terminal; 3. a lower connection terminal; 4. a conductive sheet; 5. a conductive contact; 6. an insulating pad; 7. a window; 8. a trigger; 9. a coil; 10. an iron core; 11. a spring; 12. a chute; 13. a slide block; 14. a clamping groove; 15. a force accumulating tension spring; 16. a force-accumulating torsion spring; 17. a connecting shaft; 18. pulling the belt; 19. wiping lines; 20. a first limit pad; 21. and the second limiting pad.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1 to 7, the auxiliary tripping device of the circuit breaker comprises a housing 1; a wiring mechanism, a pulling mechanism and a triggering mechanism are arranged in the shell 1; the wiring mechanism comprises an upper wiring terminal 2 and a lower wiring terminal 3 which are arranged in the shell 1, and the upper wiring terminal 2 and the lower wiring terminal 3 are respectively connected with a conductive contact 5 through a conductive sheet 4; an insulating pad 6 connected with the pulling mechanism is arranged between the conductive contacts 5, the conductive contacts 5 are separated from each other through the insulating pad 6, and the insulating pad 6 penetrates out of the shell 1; the outer wall of the insulating pad 6 is provided with a window 7, and the pulling assembly pulls the insulating pad 6 to move so that the conductive contacts 5 are contacted with each other through the window 7; a trigger 8 is rotatably arranged in the shell 1; the pulling mechanism is subjected to position constraint in the shell 1 through the trigger 8, and the trigger 8 releases the constraint on the pulling mechanism through the trigger mechanism; the triggering mechanism comprises a coil 9, the coil 9 is positioned between one group of conductive sheets 4 and conductive contacts 5, and two ends of the coil 9 are respectively communicated with the conductive sheets 4 and the conductive contacts 5; an iron core 10 is inserted into the coil 9, and the iron core 10 is supported by a spring 11; the iron core 10 is contacted with the trigger 8; the traction mechanism comprises a sliding groove 12 arranged on the inner wall of the shell 1, and a sliding block 13 is arranged in the sliding groove 12 in a sliding manner; one side of the outer wall of the sliding block 13 is fixedly connected with the insulating pad 6; the outer wall of the sliding block 13 is provided with a clamping groove 14; the trigger 8 is clamped with the clamping groove 14 to carry out position constraint on the sliding block 13; a power storage traction assembly is arranged on one side of the outer wall of the sliding block 13 opposite to the insulating pad 6; the power storage traction assembly comprises a power storage tension spring 15; the two ends of the force accumulation tension spring 15 are respectively fixedly connected with the sliding block 13 and the inner wall of the shell 1; the power accumulation traction assembly comprises a connecting shaft 17 rotatably arranged with the shell 1 through a power accumulation torsion spring 16; a traction belt 18 is wound outside the connecting shaft 17; the traction belt 18 is fixedly connected with the sliding block 13; the insulating pad 6 is made of Teflon material, and wiping lines 19 are formed on the surface of the insulating pad 6; the outer wall of the insulating pad 6 is fixedly sleeved with a first limit pad 20 and a second limit pad 21; the first limiting pad 20 is located inside the housing 1, and the second limiting pad 21 is located outside the housing 1.
When the circuit breaker is used, a circuit is respectively connected with an upper wiring terminal 2 and a lower wiring terminal 3 of the circuit breaker, when the circuit is connected with the circuit breaker and is not conducted, a conductive contact 5 in a circuit breaker shell 1 is separated by an insulating pad 6 arranged between the circuit breaker and the circuit breaker, so that the conductive contact 5 cannot be contacted with each other to form a circuit break, the insulating pad 6 in the shell 1 is driven to move by pulling the insulating pad 6 penetrating out of the shell 1, the circuit is conducted to form a loop after the conductive contact 5 is contacted with each other through a window 7 arranged on the outer wall of the insulating pad 6, when the insulating pad 6 is pulled to move to enable the conductive contact 5 to be contacted with each other through the window 7, the traction mechanism is pulled to move, and after the conductive contact 5 is contacted with each other, a trigger 8 is clamped to conduct position constraint on the traction mechanism, the circuit breaker monitors the working state of the circuit by a trigger mechanism so as to trigger the trigger 8 in time, the traction mechanism to loose to pull the insulating pad 6 to move along the shell 1 to enable the conductive contact 5 to be separated again through the insulating pad 6 in the trigger the circuit breaker, and the circuit breaker is prevented from generating electricity consumption accidents;
example 1:
when the traction mechanism is connected with the sliding block 13 and the shell 1 through the power storage tension spring 15, the insulating pad 6 is pulled to enable the conductive contact 5 to be in contact with each other through the window 7 to conduct a circuit, the insulating pad 6 pulls the sliding block 13 to slide along the sliding groove 12 in the shell 1, the sliding block 13 pulls the power storage tension spring 15 to deform along with movement, after the sliding block 13 is clamped with the trigger 8 in the shell 1 through the clamping groove 14 arranged on the outer wall of the sliding block 13, the clamping of the trigger 8 and the clamping groove 14 can provide rebound traction force of the power storage tension spring 15, position constraint is carried out on the sliding block 13, the power storage tension spring 15 is enabled to keep a tensile power storage state, at the moment, the insulating pad 6 is pulled in place and the conductive contact 5 is enabled to be in contact with each other through the window 7 to conduct the circuit, and the power storage tension spring 15 is simple in structure, flexible and reliable in use, but relatively occupies space in the shell 1;
after the circuit is conducted, the trigger mechanism monitors the working state of the circuit, after the working abnormality occurs in the circuit, the trigger mechanism triggers the trigger 8 to be separated from the clamping groove 14, at the moment, the power storage tension spring 15 in the tensile power storage state releases energy to pull the sliding block 13 to reset, and the sliding block 13 pulls the insulating pad 6 to move so that the conductive contact 5 is separated by the insulating pad 6 again to cut off the circuit;
example 2:
when the traction mechanism is connected with the sliding block 13 and the shell 1 through the traction belt 18, the insulating pad 6 is pulled to enable the conductive contacts 5 to be in contact with each other through the window 7, the insulating pad 6 pulls the sliding block 13 to slide along the sliding groove 12 in the shell 1, the sliding block 13 moves along with the movement of pulling the traction belt 18 to be released from the connecting shaft 17, the connecting shaft 17 drives the force accumulating torsion spring 16 to rotate when releasing the traction belt 18 to accumulate force, after the sliding block 13 is clamped with the trigger 8 through the clamping groove 14 arranged on the outer wall of the sliding block, the clamping fit of the trigger 8 and the clamping groove 14 provides torsion traction force of the force accumulating torsion spring 16, the position of the trigger 8 is restrained by the position of the trigger 13, the force accumulating torsion spring 16 is kept in an accumulated state, at the moment, the insulating pad 6 is pulled in place to enable the conductive contacts 5 to be in contact with each other through the window 7 to conduct a circuit, the connecting shaft 17 winds the traction belt 18 through the force accumulating torsion spring 16, space in the shell 1 can be saved, but compared with the force accumulating tension spring 15 of the embodiment 1, more used components can increase cost;
after the circuit is conducted, the trigger mechanism monitors the working state of the circuit, after the working abnormality occurs in the circuit, the trigger mechanism triggers the trigger 8 to be separated from the slide block 13, at the moment, the force-accumulating torsion spring 16 in the force-accumulating state loses the restraint to drive the connecting shaft 17 to rotate so as to wind the traction belt 18, the traction belt 18 pulls the slide block 13 to reset, and the slide block 13 pulls the insulating pad 6 to move so that the conductive contact 5 is separated by the insulating pad 6 again to cut off the circuit;
when the circuit breaker conducts or cuts off a circuit through the movement of the insulating pad 6 and the window 7 arranged on the outer wall of the insulating pad 6, the conductive contact 5 is separated and contacted in the vertical direction in a small amplitude when the insulating pad 6 moves transversely, the action amplitude is small, the vibration amplitude is small, the stability is strong, metal fatigue is resisted, the Teflon material of the insulating pad 6 is higher than the air insulation coefficient, when the Teflon material is inserted between the two conductive contacts 5, the arc extinguishing capability is strong, the insulating pad 6 can wipe the conductive contact 5 in the movement process, the oxidation point formed by burning arc is erased, the conductive contact 5 keeps good contact, the wiping lines 19 arranged on the surface of the insulating pad 6 are used for improving the wiping effect on the conductive contact 5;
when the trigger mechanism monitors the working state of a circuit after the cable is conducted, the two ends of a coil 9 of the trigger mechanism are connected with a conducting sheet 4 and a conducting contact 5 which are connected with an upper wiring terminal 2, an iron core 10 in the coil 9 is supported by a spring 11 to be far away from a trigger 8, when a short circuit condition occurs in the circuit, the magnetic field generated by the coil 9 is increased by increasing the point flow flowing through the coil 9 to attract the iron core 10, the attractive force of the magnetic field to the iron core 10 is greater than the supporting force of the spring 11 to the iron core 10, the iron core 10 moves along the coil 9, the iron core 10 pushes the trigger 8 to deflect in the shell 1 to be separated from a chute 12, so that a sliding block 13 is out of constraint and is pulled by a power accumulating tension spring 15 or a pulling belt 18, the insulating pad 6 is pulled between the conducting contacts 5 again to cut off the circuit, and the tripping operation is completed;
when the circuit is required to be actively cut off, the insulating pad 6 positioned outside the shell 1 is pushed to move into the shell 1, the insulating pad 6 pushes the sliding block 13 to move, the clamping groove 14 is separated from the trigger 8, the insulating pad 6 is pulled into the conductive contact 5 to cut off the circuit, and when the insulating pad 6 moves along the shell 1, the first limiting pad 20 and the second limiting pad 21 on the outer wall of the insulating pad 6 are respectively positioned inside the shell 1 and outside the shell 1, so that the pulling interval of the insulating pad 6 is limited, excessive pulling of the insulating pad 6 is avoided, and the use reliability is improved.
Claims (6)
1. An auxiliary tripping device of a circuit breaker comprises a shell (1); a wiring mechanism, a pulling mechanism and a triggering mechanism are arranged in the shell (1); the wiring mechanism comprises an upper wiring terminal (2) and a lower wiring terminal (3) which are arranged in the shell (1), and the upper wiring terminal (2) and the lower wiring terminal (3) are respectively connected with a conductive contact (5) through a conductive sheet (4); the method is characterized in that: an insulating pad (6) connected with the traction mechanism is arranged between the conductive contacts (5),
the conductive contacts (5) are separated from each other through the insulating pad (6), and the insulating pad (6) penetrates out of the shell (1) outwards; the outer wall of the insulating pad (6) is provided with a window (7), and the pulling assembly pulls the insulating pad (6) to move so that the conductive contacts (5) are contacted with each other through the window (7); a trigger (8) is rotatably arranged on the shell (1); the pulling mechanism is subjected to position constraint in the shell (1) through the trigger (8), and the trigger (8) releases the constraint on the pulling mechanism through the trigger mechanism; the triggering mechanism comprises a coil (9), the coil (9) is positioned between one group of the conducting sheets (4) and the conducting contacts (5), and two ends of the coil (9) are respectively communicated with the conducting sheets (4) and the conducting contacts (5); an iron core (10) is inserted in the coil (9), and the iron core (10) is supported by a spring (11); the iron core (10) is in contact with the trigger (8).
2. The auxiliary trip device of a circuit breaker of claim 1, wherein: the traction mechanism comprises a sliding groove (12) arranged on the inner wall of the shell (1), and a sliding block (13) is arranged in the sliding groove (12) in a sliding way; one side of the outer wall of the sliding block (13) is fixedly connected with the insulating pad (6); the outer wall of the sliding block (13) is provided with a clamping groove (14); the trigger (8) is clamped with the clamping groove (14) to carry out position constraint on the sliding block (13); and a power storage traction assembly is arranged on one side of the outer wall of the sliding block (13) opposite to the insulating pad (6).
3. The auxiliary trip device of a circuit breaker of claim 2, wherein: the power storage traction assembly comprises a power storage tension spring (15); two ends of the force accumulation tension spring (15) are respectively and fixedly connected with the sliding block (13) and the inner wall of the shell (1).
4. The auxiliary trip device of a circuit breaker of claim 2, wherein: the power storage traction assembly comprises a connecting shaft (17) rotatably arranged with the shell (1) through a power storage torsion spring (16); a traction belt (18) is wound outside the connecting shaft (17); the traction belt (18) is fixedly connected with the sliding block (13).
5. The auxiliary trip device of a circuit breaker of claim 1, wherein: the insulating pad (6) is made of Teflon material, and wiping lines (19) are arranged on the surface of the insulating pad (6).
6. The auxiliary trip device of a circuit breaker of claim 1, wherein: the outer wall of the insulating pad (6) is fixedly sleeved with a first limit pad (20) and a second limit pad (21); the first limiting pad (20) is located inside the shell (1), and the second limiting pad (21) is located outside the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310739917.2A CN116682708B (en) | 2023-06-19 | 2023-06-19 | Auxiliary tripping device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310739917.2A CN116682708B (en) | 2023-06-19 | 2023-06-19 | Auxiliary tripping device of circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116682708A true CN116682708A (en) | 2023-09-01 |
| CN116682708B CN116682708B (en) | 2024-03-26 |
Family
ID=87783661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310739917.2A Active CN116682708B (en) | 2023-06-19 | 2023-06-19 | Auxiliary tripping device of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116682708B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002324474A (en) * | 2001-04-24 | 2002-11-08 | Matsushita Electric Works Ltd | Trip device of circuit breaker and circuit breaker using the same |
| CN201298515Y (en) * | 2008-09-17 | 2009-08-26 | 青田奥来电器有限公司 | Overload protection electronic miniature current leakage breaker |
| CN106531580A (en) * | 2016-11-09 | 2017-03-22 | 首瑞（天津）电气设备有限公司 | Micro breaker and distribution system |
| CN114582683A (en) * | 2022-03-10 | 2022-06-03 | 中群电气有限公司 | Intelligent miniature circuit breaker |
-
2023
- 2023-06-19 CN CN202310739917.2A patent/CN116682708B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002324474A (en) * | 2001-04-24 | 2002-11-08 | Matsushita Electric Works Ltd | Trip device of circuit breaker and circuit breaker using the same |
| CN201298515Y (en) * | 2008-09-17 | 2009-08-26 | 青田奥来电器有限公司 | Overload protection electronic miniature current leakage breaker |
| CN106531580A (en) * | 2016-11-09 | 2017-03-22 | 首瑞（天津）电气设备有限公司 | Micro breaker and distribution system |
| CN114582683A (en) * | 2022-03-10 | 2022-06-03 | 中群电气有限公司 | Intelligent miniature circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116682708B (en) | 2024-03-26 |
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