CN108597967B - A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal - Google Patents
A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal Download PDFInfo
- Publication number
- CN108597967B CN108597967B CN201810045786.7A CN201810045786A CN108597967B CN 108597967 B CN108597967 B CN 108597967B CN 201810045786 A CN201810045786 A CN 201810045786A CN 108597967 B CN108597967 B CN 108597967B
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- Prior art keywords
- sheet metal
- plate
- connecting plate
- thermal
- support plate
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- 239000002184 metal Substances 0.000 title claims abstract description 101
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 101
- 230000003068 static effect Effects 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a kind of thermal tripping broken circuit protecting equipments that formula is pushed away based on sheet metal, are related to circuit overloads, short-circuit protection field.In the present invention: being installed with the plate structure being made of the first sheet metal and the second sheet metal between a pair of first support plate；The first pushing plate is fixedly connected on first connecting rod；First connecting plate is fixedly connected with third support plate on the side of first connecting rod；The side of second support plate is fixedly connected with the plate structure being made of third sheet metal and the 4th sheet metal.The present invention drives the separation of the second moving contact and the second static contact by the first sheet metal and the second sheet metal expanded by heating, to disconnect the magnetic force of field core, directly releases the pressing force in device between the first moving contact and the first static contact；The movement of the first pushing plate is pushed by third sheet metal and the 4th sheet metal expanded by heating simultaneously, the separation of the first pinch plate and the second pinch plate is completed, so that the first moving contact is separated with the first static contact, to disconnect faulty circuit.
Description
Technical field
The present invention relates to circuit overloads, short-circuit protection field more particularly to a kind of heat that formula is pushed away based on sheet metal
Tripping broken circuit protecting equipment.
Background technique
Breaker is the electric current referred to close, carry and cut-off under normal loop condition and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.
When overload, short circuit occur for circuit, high current is generated in circuit loop, high current can be to electric device and circuit system
System causes huge damage, using the timely disconnecting circuit of breaker, can effectively prevent influence of the high current to circuit and device.
In breaker, the principle of amount of heat is generated using high current, using a kind of knockdown expansion of metal, to drive
Circuit disconnects, and is a kind of more effective tripping system；But since the contact between the requirement contact in some breakers is close,
To guarantee it is good conduct, the separation of conductive contact cannot be effectively completed only by simple thermal expansion metal, is had
Effect solves the problems, such as this, becomes the important prerequisite for improving breaker actuation efficiency.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of thermal tripping broken circuit protecting equipment for pushing away formula based on sheet metal,
By the first sheet metal and the second sheet metal expanded by heating, the compression in device between the first moving contact and the first static contact is released
Dynamics；The movement of the first pushing plate is pushed by third sheet metal and the 4th sheet metal expanded by heating simultaneously, disconnects faulty circuit.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention provides a kind of thermal tripping broken circuit protecting equipment that formula is pushed away based on sheet metal, including crust of the device and excitation
Iron core, winding coil windings on field core, field core are installed on crust of the device；The two sides of field core are equipped with one
To the first support plate, a pair of first support plate is fixed on crust of the device, is installed between a pair of first support plate by the first gold medal
Belong to the plate structure that piece and the second sheet metal are constituted.
Including first connecting rod, one end of first connecting rod is fixedly connected with absorption plate, and the other end of first connecting rod is fixed to be connected
It is connected to the first connecting plate, the first pushing plate is fixedly connected on first connecting rod；First connecting plate is fixed on the side of first connecting rod to be connected
Third support plate is connect, the other end of the first connecting plate is the first buckle block structure.
Including the second connecting plate, one end of the second connecting plate is fixedly connected with adjusting connecting rod, and the other end of the second connecting plate is second
Block structure is buckled, fixed be installed with moves touching connecting plate on the second connecting plate；It adjusts and is arranged with adjustment spring on connecting rod, the one of adjustment spring
End is connected with the second connecting plate, and the other end of adjustment spring is connected with crust of the device.
Including a pair of of stationary contact connecting plate and thermal element, stationary contact connecting plate is connected by electric lead with thermal element.
Including the second support plate, the second support plate is installed in crust of the device, and the side of the second support plate is fixed to be connected
It is connected to the plate structure being made of third sheet metal and the 4th sheet metal.
Wherein, the both ends for the plate structure that the first sheet metal and the second sheet metal are constituted are fixedly connected with activity even block；It is living
Dynamic even block is flexibly connected by pivot structure with the first support plate.
Wherein, the plate structure that the first sheet metal and the second sheet metal are constituted is tightly attached on field core；First sheet metal
And second sheet metal constitute plate structure be located at field core and adsorb plate between；The thermal expansion coefficient of first sheet metal is small
In the thermal expansion coefficient of the second sheet metal.
Wherein, thermal element is located at the plate structure and third sheet metal and the 4th that the first sheet metal and the second sheet metal are constituted
Between the plate structure that sheet metal is constituted；The plate structure that third sheet metal and the 4th sheet metal are constituted is located at thermal element and first
Between pushing plate；The thermal expansion coefficient of third sheet metal is greater than the thermal expansion coefficient of the 4th sheet metal.
Wherein, the end side of third support plate is equipped with the second moving contact, is fixed with and the second moving contact position in crust of the device
Set the second static contact matched；Coil windings, the second static contact, the second moving contact including regulating and controlling power supply, on field core
With regulation electric power generating composition electric loop.
Wherein, the first connecting plate, which is equipped with, resets rod structure；The position of the first buckle block on first connecting plate, structure and second
The position of the second buckle block on connecting plate, structure match.
Wherein, crust of the device two sides are fixed with a pairs of posts, are not connected with the stationary contact connecting plate and a binding post of thermal element
It is connected by electric lead, thermal element is connected with another binding post by electric lead.
Wherein, it moves touching connecting plate and is equipped with a pair of first moving contact, stationary contact connecting plate is equipped with the first static contact；First moving contact
It is matched with the position of the first static contact.
Wherein, the first support plate, the second support plate are all polymeric thermal insulation materials plate；First connecting rod is polymer insulation
Bar；First connecting plate, the second connecting plate and third support plate are all polymer insulation plate.
Compared with prior art, the beneficial effects of the present invention are:
The present invention drives the second moving contact and the second static contact by the first sheet metal and the second sheet metal expanded by heating
Separation directly releases the pressing force in device between the first moving contact and the first static contact to disconnect the magnetic force of field core
Degree；The movement of the first pushing plate is pushed by third sheet metal and the 4th sheet metal expanded by heating simultaneously, so that the first connecting plate of linkage is dynamic
Make, complete the separation of the first pinch plate and the second pinch plate, so that the first moving contact is separated with the first static contact, to disconnect event
Hinder circuit.
Detailed description of the invention
Fig. 1 is the thermal tripping broken circuit protecting equipment system structure diagram of the invention that formula is pushed away based on sheet metal；
Fig. 2 is the structural schematic diagram of partial enlargement at A in Fig. 1；
Fig. 3 is the structural schematic diagram of partial enlargement at B in Fig. 1；
Fig. 4 is the structural schematic diagram of partial enlargement at C in Fig. 1；
Wherein: 1- crust of the device；2- field core；The first support plate of 3-；4- first connecting rod；The first pushing plate of 5-；6-
One connecting plate；7- first buckles block；The second connecting plate of 8-；9- second buckles block；10- thermal element；11- binding post；12- adjusts connecting rod；
The dynamic touching connecting plate of 13-；14- adjustment spring；15- stationary contact connecting plate；The first moving contact of 16-；The first static contact of 17-；18- second is supported
Plate；19- adsorbs plate；20- activity connects block；The first sheet metal of 21-；The second sheet metal of 22-；23- third sheet metal；24- the 4th
Sheet metal；25- third support plate；The second moving contact of 26-；The second static contact of 27-；28- regulates and controls power supply；29- release link.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Specific embodiment one:
It please referring to shown in Fig. 1-4, the present invention is a kind of thermal tripping broken circuit protecting equipment that formula is pushed away based on sheet metal, including
Crust of the device 1 and field core 2, winding coil windings on field core 2, field core 2 are installed on crust of the device 1；
The two sides of field core 2 are equipped with a pair of first support plate 3, and a pair of first support plate 3 is fixed on crust of the device 1, a pair first
The plate structure being made of the first sheet metal 21 and the second sheet metal 22 is installed between support plate 3.
Including first connecting rod 4, one end of first connecting rod 4 is fixedly connected with absorption plate 19, and the other end of first connecting rod 4 is solid
Surely it is connected with the first connecting plate 6, the first pushing plate 5 is fixedly connected on first connecting rod 4；First connecting plate 6 leans on the side of first connecting rod 4
On be fixedly connected with third support plate 25, the other end of the first connecting plate 6 is the first buckle 7 structure of block.
Including the second connecting plate 8, one end of the second connecting plate 8, which is fixedly connected with, adjusts connecting rod 12, and the other end of the second connecting plate 8 is
Second buckles 9 structure of block, and fixed be installed with moves touching connecting plate 13 on the second connecting plate 8；It adjusts and is arranged with adjustment spring 14 on connecting rod 12,
One end of adjustment spring 14 is connected with the second connecting plate 8, and the other end of adjustment spring 14 is connected with crust of the device 1.
Including a pair of of stationary contact connecting plate 15 and thermal element 10, stationary contact connecting plate 15 is connected by electric lead with thermal element 10.
Including the second support plate 18, the second support plate 18 is installed in crust of the device 1, the side of the second support plate 18
It is fixedly connected with the plate structure being made of third sheet metal 23 and the 4th sheet metal 24.
Further, the both ends for the plate structure that the first sheet metal 21 and the second sheet metal 22 are constituted are fixedly connected with activity
Even block 20；Even block 20 is flexibly connected by pivot structure with the first support plate 3 for activity.
Further, the plate structure that the first sheet metal 21 and the second sheet metal 22 are constituted is tightly attached on field core 2；The
The plate structure that one sheet metal 21 and the second sheet metal 22 are constituted is located between field core 2 and absorption plate 19；First metal
Thermal expansion coefficient of the thermal expansion coefficient of piece 21 less than the second sheet metal 22.
Further, thermal element 10 is located at the plate structure and third gold that the first sheet metal 21 and the second sheet metal 22 are constituted
Belong between the plate structure that piece 23 and the 4th sheet metal 24 are constituted；The plate knot that third sheet metal 23 and the 4th sheet metal 24 are constituted
Structure is located between thermal element 10 and the first pushing plate 5；The thermal expansion coefficient of third sheet metal 23 is greater than the heat of the 4th sheet metal 24
The coefficient of expansion.
Further, the end side of third support plate 25 is equipped with the second moving contact 26, is fixed in crust of the device 1 and second
The second static contact 27 that 26 position of moving contact matches；It is coil windings on field core 2, second quiet including regulating and controlling power supply 28
Contact 27, the second moving contact 26 and regulation power supply 28 constitute electric loop.
Further, the first connecting plate 6 is equipped with 29 structure of release link；The position of the first buckle block 7 on first connecting plate 6,
Structure is matched with the position of the second buckle block 9 on the second connecting plate 8, structure.
Further, 1 two sides of crust of the device are fixed with a pairs of posts 11, are not connected with the stationary contact connecting plate 15 of thermal element 10
It is connected with a binding post 11 by electric lead, thermal element 10 is connected with another binding post 11 by electric lead.
Further, it moves touching connecting plate 13 and is equipped with a pair of first moving contact 16, stationary contact connecting plate 15 is equipped with the first static contact
17；First moving contact 16 is matched with the position of the first static contact 17.
Further, the first support plate 3, the second support plate 18 are all polymeric thermal insulation materials plate；First connecting rod 4 is high score
Insulating sublayer bar；First connecting plate 6, the second connecting plate 8 and third support plate 25 are all polymer insulation plate.
Specific embodiment two:
In apparatus of the present invention, when overload, short circuit occur for route, thermal element 10 generates amount of heat, at this time by first
The plate structure that sheet metal 21 and the second sheet metal 22 are constituted bends, and absorption plate 19 is pushed away, thus the third branch that links
The second moving contact 26 on fagging 25 is separated with the second static contact 27, so that field core 2 powers off loss of excitation, directly eliminates magnetic force
Resistance.
Meanwhile being bent by the plate structure that third sheet metal 23 and the 4th sheet metal 24 are constituted, further push
One pushing plate 5 movement, so that the first buckle block 7 of linkage is separated with the second buckle block 9, so that the first moving contact 16 and the first stationary contact
First 17 separation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of thermal tripping broken circuit protecting equipment for pushing away formula based on sheet metal, it is characterised in that:
Including crust of the device (1) and field core (2), winding coil windings on the field core (2), field core (2) is admittedly
Surely it is installed on crust of the device (1)；
The two sides of the field core (2) are equipped with a pair of first support plate (3), and a pair of first support plate (3) is fixed on outside device
On shell (1), the plate being made of the first sheet metal (21) and the second sheet metal (22) is installed between a pair of first support plate (3)
Structure；
Including first connecting rod (4), one end of the first connecting rod (4) is fixedly connected with absorption plate (19), first connecting rod (4)
The other end is fixedly connected with the first connecting plate (6), is fixedly connected with the first pushing plate (5) on the first connecting rod (4)；
First connecting plate (6) is fixedly connected third support plate (25) on the side of first connecting rod (4), first connecting plate
(6) the other end is first buckle block (7) structure；
Including the second connecting plate (8), one end of second connecting plate (8), which is fixedly connected with, adjusts connecting rod (12), second connecting plate
(8) the other end is second buckle block (9) structure, and fixed be installed with moves touching connecting plate (13) on the second connecting plate (8)；
It is arranged with adjustment spring (14) on the adjusting connecting rod (12), one end and the second connecting plate (8) of the adjustment spring (14)
It is connected, the other end of the adjustment spring (14) is connected with crust of the device (1)；
Including a pair of of stationary contact connecting plate (15) and thermal element (10), the stationary contact connecting plate (15) passes through electric lead and thermal element (10) phase
Even；
Including the second support plate (18), second support plate (18) is installed in crust of the device (1), second support
The side of plate (18) is fixedly connected with the plate structure being made of third sheet metal (23) and the 4th sheet metal (24).
2. a kind of thermal tripping broken circuit protecting equipment for pushing away formula based on sheet metal according to claim 1, it is characterised in that:
The both ends for the plate structure that first sheet metal (21) and the second sheet metal (22) are constituted are fixedly connected with activity even block
(20)；
The activity even block (20) is flexibly connected by pivot structure with the first support plate (3).
3. a kind of thermal tripping broken circuit protecting equipment for pushing away formula based on sheet metal according to claim 1, it is characterised in that:
The plate structure that first sheet metal (21) and the second sheet metal (22) are constituted is tightly attached on field core (2)；
The plate structure that first sheet metal (21) and the second sheet metal (22) are constituted is located at field core (2) and absorption plate
(19) between；
Thermal expansion coefficient of the thermal expansion coefficient of first sheet metal (21) less than the second sheet metal (22).
4. a kind of thermal tripping broken circuit protecting equipment for pushing away formula based on sheet metal according to claim 1, it is characterised in that:
The thermal element (10) is located at the plate structure and third metal that the first sheet metal (21) and the second sheet metal (22) are constituted
Between the plate structure that piece (23) and the 4th sheet metal (24) are constituted；
The plate structure that the third sheet metal (23) and the 4th sheet metal (24) are constituted is located at thermal element (10) and promotes with first
Between plate (5)；
The thermal expansion coefficient of the third sheet metal (23) is greater than the thermal expansion coefficient of the 4th sheet metal (24).
5. a kind of thermal tripping broken circuit protecting equipment for pushing away formula based on sheet metal according to claim 1, it is characterised in that:
The end side of the third support plate (25) is equipped with the second moving contact (26), is fixed in described device shell (1) and the
The second static contact (27) that two moving contacts (26) position matches；
Coil windings, the second static contact (27), the second moving contact including regulating and controlling power supply (28), on the field core (2)
(26) and regulation power supply (28) constitutes electric loop.
6. a kind of thermal tripping broken circuit protecting equipment for pushing away formula based on sheet metal according to claim 1, it is characterised in that:
First connecting plate (6) is equipped with release link (29) structure；
Position, structure and the second buckle block (9) on the second connecting plate (8) of the first buckle block (7) on first connecting plate (6)
Position, structure matches.
7. a kind of thermal tripping broken circuit protecting equipment for pushing away formula based on sheet metal according to claim 1, it is characterised in that:
Described device shell (1) two sides are fixed with a pairs of posts (11), are not connected with the stationary contact connecting plate (15) of the thermal element (10)
It is connected with a binding post (11) by electric lead, the thermal element (10) is connected with another binding post (11) by electric lead
It connects.
8. a kind of thermal tripping broken circuit protecting equipment for pushing away formula based on sheet metal according to claim 1, it is characterised in that:
The dynamic touching connecting plate (13) is equipped with a pair of first moving contact (16), and the stationary contact connecting plate (15) is equipped with the first static contact
(17)；
First moving contact (16) matches with the position of the first static contact (17).
9. a kind of thermal tripping broken circuit protecting equipment for pushing away formula based on sheet metal according to claim 1, it is characterised in that:
First support plate (3), the second support plate (18) are all polymeric thermal insulation materials plate；
The first connecting rod (4) is polymer insulation bar；
First connecting plate (6), the second connecting plate (8) and third support plate (25) are all polymer insulation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045786.7A CN108597967B (en) | 2018-01-17 | 2018-01-17 | A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045786.7A CN108597967B (en) | 2018-01-17 | 2018-01-17 | A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108597967A CN108597967A (en) | 2018-09-28 |
| CN108597967B true CN108597967B (en) | 2019-09-13 |
Family
ID=63608390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810045786.7A Active CN108597967B (en) | 2018-01-17 | 2018-01-17 | A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108597967B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342351A (en) * | 2020-04-09 | 2020-06-26 | 杭州千耘贸易有限公司 | Block terminal extinguishing device based on electromagnetic induction principle |
| CN111613979A (en) * | 2020-06-08 | 2020-09-01 | 杭州千耘贸易有限公司 | Alternating current distribution arc protection device capable of avoiding misoperation |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11185575A (en) * | 1997-12-25 | 1999-07-09 | Meidensha Corp | High voltage air break switch |
| CN2485781Y (en) * | 2001-04-09 | 2002-04-10 | 成劭颖 | Overload protecter |
| EP1638121A1 (en) * | 2003-05-29 | 2006-03-22 | Ping Liu | Electrical switch |
| CN103489723A (en) * | 2013-08-29 | 2014-01-01 | 董刚 | Air switch capable of being connected with sensor |
| CN103617930A (en) * | 2013-11-23 | 2014-03-05 | 哈尔滨理大晟源科技开发有限公司 | Low voltage circuit breaker |
| CN104112629A (en) * | 2014-06-30 | 2014-10-22 | 国家电网公司 | Device for preventing reverse charging of secondary side of voltage transformer |
| CN204045532U (en) * | 2014-06-30 | 2014-12-24 | 国家电网公司 | Prevent voltage transformer secondary side anti-charge device |
| CN204167219U (en) * | 2014-09-26 | 2015-02-18 | 成都锐奕信息技术有限公司 | A kind of low pressure open circuit structure reducing operational shock power in mainframe computer |
| CN204348664U (en) * | 2015-01-25 | 2015-05-20 | 江苏恒泽安装工程股份有限公司 | A kind of air switch |
| CN204497173U (en) * | 2015-04-14 | 2015-07-22 | 广东梅雁吉祥水电股份有限公司 | A kind of low-voltage circuit breaker with protective circuit |
| CN205881838U (en) * | 2016-08-05 | 2017-01-11 | 天津中电华利电器科技集团有限公司 | Low -voltage circuit breaker |
| CN206451673U (en) * | 2017-02-24 | 2017-08-29 | 浙江万里学院 | A kind of remote controlled air switch |
-
2018
- 2018-01-17 CN CN201810045786.7A patent/CN108597967B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11185575A (en) * | 1997-12-25 | 1999-07-09 | Meidensha Corp | High voltage air break switch |
| CN2485781Y (en) * | 2001-04-09 | 2002-04-10 | 成劭颖 | Overload protecter |
| EP1638121A1 (en) * | 2003-05-29 | 2006-03-22 | Ping Liu | Electrical switch |
| CN103489723A (en) * | 2013-08-29 | 2014-01-01 | 董刚 | Air switch capable of being connected with sensor |
| CN103617930A (en) * | 2013-11-23 | 2014-03-05 | 哈尔滨理大晟源科技开发有限公司 | Low voltage circuit breaker |
| CN104112629A (en) * | 2014-06-30 | 2014-10-22 | 国家电网公司 | Device for preventing reverse charging of secondary side of voltage transformer |
| CN204045532U (en) * | 2014-06-30 | 2014-12-24 | 国家电网公司 | Prevent voltage transformer secondary side anti-charge device |
| CN204167219U (en) * | 2014-09-26 | 2015-02-18 | 成都锐奕信息技术有限公司 | A kind of low pressure open circuit structure reducing operational shock power in mainframe computer |
| CN204348664U (en) * | 2015-01-25 | 2015-05-20 | 江苏恒泽安装工程股份有限公司 | A kind of air switch |
| CN204497173U (en) * | 2015-04-14 | 2015-07-22 | 广东梅雁吉祥水电股份有限公司 | A kind of low-voltage circuit breaker with protective circuit |
| CN205881838U (en) * | 2016-08-05 | 2017-01-11 | 天津中电华利电器科技集团有限公司 | Low -voltage circuit breaker |
| CN206451673U (en) * | 2017-02-24 | 2017-08-29 | 浙江万里学院 | A kind of remote controlled air switch |
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| Publication number | Publication date |
|---|---|
| CN108597967A (en) | 2018-09-28 |
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