CN103632892A - Miniature circuit breaker and insulation sheet thereof - Google Patents
Miniature circuit breaker and insulation sheet thereof Download PDFInfo
- Publication number
- CN103632892A CN103632892A CN201210301669.5A CN201210301669A CN103632892A CN 103632892 A CN103632892 A CN 103632892A CN 201210301669 A CN201210301669 A CN 201210301669A CN 103632892 A CN103632892 A CN 103632892A
- Authority
- CN
- China
- Prior art keywords
- insulation division
- insulating trip
- bimetal leaf
- extension
- connecting portion
- 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
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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
- H01H71/161—Electrothermal mechanisms with bimetal element with helically or spirally wound bimetal
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- 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
- H01H71/164—Heating elements
- H01H2071/165—Heating elements the bimetal being inductively heated, e.g. load current does not pass through bimetal
-
- 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
- H01H71/164—Heating elements
Landscapes
- Thermally Actuated Switches (AREA)
- Breakers (AREA)
- Fuses (AREA)
Abstract
The invention discloses an insulation sheet. The insulation sheet comprises a first insulation portion, a second insulation portion, a third insulation portion, an extension portion, a first connection portion and a second connection portion. The first connection portion is located between the first insulation portion and the second insulation portion and used to connect the first insulation portion and the second insulation portion. The second insulation portion is provided with a through hole. The third insulation portion is connected with the second insulation portion through a crease and is adjacent to the through hole in the second insulation portion. The extension portion is connected with the first insulation portion through the second connection portion, and a firs notch is formed by the extension portion, the second connection portion and the first insulation portion. The extension portion is provided with a second notch. The open direction of the first notch is opposite to the open direction of the second notch. The invention discloses a miniature circuit breaker adopting the insulation sheet.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, particularly a kind of miniature circuit breaker and insulating trip thereof.
Background technology
At present, in some miniature circuit breakers, there is following problem: flashover appears in a. flexible conductor and bimetallic assembly head when doing disjunction experiment; B. when bimetal leaf heated bending, can paste two golden supports and short circuit, and then cause miniature circuit breaker disabler; C. when heat adjusts heat to survey, bimetallic sector-meeting touches two golden supports and causes short circuit equivalent risk.In order to address the above problem, three insulating trips of available technology adopting are attached to respectively above-mentioned problematic three places.Yet three insulating trips all need manual mounting, and take time and effort.
Summary of the invention
Technical problem to be solved by this invention is, a kind of insulating trip that can avoid the problems such as flashover to occur is provided.The present invention is also intended to provide a kind of miniature circuit breaker of this insulating trip of application.
A kind of insulating trip providing according to one embodiment of the invention, comprises first insulation division, second insulation division, the 3rd insulation division, an extension, first connecting portion and second connecting portion; Described the first connecting portion connects between described the first insulation division and described the second insulation division and by both; Described the second insulation division is provided with a perforation; Described the 3rd insulation division is by being connected between folding line and described the second insulation division and being close to the described perforation on described the second insulation division; Described extension is connected with described the first insulation division by described the second connecting portion, and surrounds first breach between described extension, described the second connecting portion and described the first insulation division; Described extension is provided with second breach; The opening direction of described the first breach and described the second breach is contrary.
Further, described insulating trip is an integrative-structure.
Further, in described the first insulation division, described the second insulation division, described the 3rd insulation division, described extension, be respectively equipped with at least one folding line; Described folding line is perpendicular to the length direction of described insulating trip.
Further, described the 3rd insulation division comprises a first protection portion and a second protection portion; Between described the first protection portion and described the second protection portion, by a folding line, connect.
Further, described extension comprises a first extension sheet and a second extension sheet; The first end of described the first extension sheet is connected with described the first insulation division by described the second connecting portion; Proximal end near described the second connecting portion on described the first extension sheet is formed with a folding line; The second end of described the first extension sheet is connected with described the second extension sheet by a folding line; Described the second breach is formed on described the first extension sheet and locates near described the second extension sheet (145).
A kind of miniature circuit breaker providing according to another embodiment of the present invention, comprises a bimetal leaf, two golden supports and a flexible conductor; Described bimetal leaf comprises a head and an afterbody; Described two golden support setting adjacent with described bimetal leaf, and described two golden support comprises first contact site and second contact site; The described head of the contiguous described bimetal leaf of described the second contact site; The described afterbody of the contiguous described bimetal leaf of described the first contact site; The described head of the contiguous described bimetal leaf of described flexible conductor; Described miniature circuit breaker also comprises above-mentioned insulating trip; Described first insulation division of described insulating trip is between described bimetal leaf and described the first contact site; Described second insulation division of described insulating trip is between described bimetal leaf and described the second contact site; The described head of described bimetal leaf is protected by described the 3rd insulation division of described insulating trip after passing the described perforation on described the second insulation division; Described the first breach and described second breach of described insulating trip are crossed on described bimetal leaf from two contrary directions.
Further, described first connecting portion of described insulating trip extends between described the first insulation division and described the second contact site along described bimetal leaf.
Further, described first insulation division of described insulating trip, described the second insulation division and described the first connecting portion are in the first side of described bimetal leaf, and described extension is arranged on the second side of described bimetal leaf.
According to the insulating trip of the embodiment of the present invention and adopt in the miniature circuit breaker of this insulating trip and adopt the first insulation division, the second insulation division and the 3rd insulation division will exist the place of the problems such as flashover to separate in prior art, and be crossed on bimetal leaf from two contrary directions by the first breach and the second breach, and pass the perforation on the second insulation division by the head of bimetal leaf, bright insulating trip can be installed on bimetal leaf quickly and easily, and can avoid problem in prior art, the problem includes: problems such as flashovers.In addition, than three mounting methods of available technology adopting, insulating trip once mounting of the present invention puts in place, time saving and energy saving, and the consistency of manufacture craft process stabilization, product is fine, and then can effectively reduce cost.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of insulating trip in one embodiment of the invention.
Fig. 2 is the schematic diagram of miniature circuit breaker in one embodiment of the invention.
Fig. 3 is the enlarged diagram of subelement in Fig. 1.
Fig. 4 is the schematic diagram of another angle of Fig. 3.
Wherein, Reference numeral comprises:
100 insulating trip 110 first insulation division 120 second insulation divisions
122 perforation 130 the 3rd insulation division 132 first protection portions
135 second protection portion 140 extension 142 first extension sheets
143 second breach 145 second extension sheet 150 first connecting portions
152 second connecting portion 160 first breach 170 folding lines
200 miniature circuit breaker 210 bimetal leaf 212 heads
220 pairs of golden support 230 flexible conductor 240 first contact sites
250 second contact sites
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Figure 1 shows that the schematic diagram of insulating trip 100 in one embodiment of the invention.As shown in fig. 1, insulating trip 100 can comprise first insulation division 110, one the second insulation division 120, one the 3rd insulation division 130, extension 140, the first connecting portion 150 and second connecting portion 152.In one embodiment, insulating trip 100 can adopt insulating trip to be made into integration.
Particularly, the first insulation division 110 is roughly rectangular, is formed with a folding line 170 on it.Folding line 170 can be approximately perpendicular to the length direction of insulating trip 100.
The second insulation division 120 is roughly rectangular, is also formed with a folding line 170 on it.On the second insulation division 120, be also provided with a perforation 122.
The first connecting portion 150 is roughly strip.The first connecting portion 150 connects between the first insulation division 110 and the second insulation division 120 and by both.
Between the 3rd insulation division 130 and the second insulation division 120, by a folding line 170, be connected and be close to the perforation 122 of the second insulation division 120.The 3rd insulation division 130 and the first connecting portion 150 are positioned at the contrary two ends of the second insulation division 120.The 3rd insulation division 130 comprises a first protection portion 132 and a second protection portion 135.Between the first protection portion 132 and the second protection portion 135, by a folding line 170, connect.
The first side end of extension 140 is connected with the first side end of the first insulation division 110 by the second connecting portion 152, thereby surrounds first breach 160 between extension 140, the second connecting portion 152 and the first insulation division 110.Extension 140 and the first connecting portion 150 are positioned at the contrary two ends of the first insulation division 110.Extension 140 comprises a first extension sheet 142 and a second extension sheet 145.The first end of the first extension sheet 142 is connected with the first insulation division 110 by the second connecting portion 152; Proximal end near the second connecting portion 152 on the first extension sheet 142 is formed with a folding line 170.The second end of the first extension sheet 142 is connected with the second extension sheet 145 by a folding line 170.In addition, on the first extension sheet 142, the proximal end near the second extension sheet 145 is formed with second breach 143.The opening direction of the first breach 160 and the second breach 143 is contrary.
Above-mentioned is the concrete structure of insulating trip 100 in one embodiment of the invention, take below and is applied to the miniature circuit breaker 200 shown in Fig. 2 as the occupation mode of example brief description insulating trip 100.
Figure 2 shows that the schematic diagram of miniature circuit breaker 200 in one embodiment of the invention.As shown in Figure 2, miniature circuit breaker 200 comprises the two golden support of a bimetal leaf 210,220, flexible conductor 230 and an above-mentioned insulating trip 100.The setting adjacent with bimetal leaf 210 of two golden supports 220, and two golden support 220 comprises first contact site 240 and second contact site 250.At this, it should be noted that, the first contact site 240 refers to the part on the miniature circuit breaker 200 two golden support 220 that bimetal leaf 210 may touch when heat adjusts heat to survey herein; The second contact site 250 refers to the part on the two golden support 220 that miniature circuit breaker 200 may paste when bimetal leaf 210 heated bending herein.As shown in Figures 3 and 4, the head 212 of the second contact site 250 contiguous bimetal leafs 210; The afterbody of the first contact site 240 contiguous bimetal leafs 210.The head of the contiguous bimetal leafs 210 of flexible conductor 230, and flexible conductor 230 and the second contact site 250 can be positioned at the contrary both sides of the head of bimetal leaf 210.
As shown in Figure 4, the first insulation division 110 of insulating trip 100 is between bimetal leaf 210 and the first contact site 240; The second insulation division 120 of insulating trip 100 is between bimetal leaf 210 and the second contact site 250; The first connecting portion 150 of insulating trip 100 extends between the first insulation division 110 and the second contact site 250 along bimetal leaf 210 and both is connected.The first insulation division 110, the second insulation division 120 and first connecting portion 150 of insulating trip 100 is positioned at the same side of bimetal leaf 210, as the first side.The 3rd insulation division 130 that is insulated sheet 100 after the perforation 122 that the head 212 of bimetal leaf 210 passes on the second insulation division 120 is protected.Particularly; the first protection portion 132 of the 3rd insulation division 130 is positioned at the second side of bimetal leaf 210; and the head of bimetal leaf 210 212 and flexible conductor 230 are separated; simultaneously; the second protection portion 135 of the 3rd insulation division 130 hides the top of the head 212 of bimetal leaf 210, further to guarantee the head of bimetal leaf 210 212 and flexible conductor 230 separations.
In addition,, by folding line 170 is set, can guarantee that insulating trip 100 is smooth with bimetal leaf 210 laminatings.
In sum, the invention discloses a kind of insulating trip, comprise first insulation division, second insulation division, the 3rd insulation division, an extension, first connecting portion and second connecting portion; Described the first connecting portion connects between described the first insulation division and described the second insulation division and by both; Described the second insulation division is provided with a perforation; Described the 3rd insulation division is by being connected between folding line and described the second insulation division and being close to the described perforation on described the second insulation division; Described extension is connected with described the first insulation division by described the second connecting portion, and surrounds first breach between described extension, described the second connecting portion and described the first insulation division; Described extension is provided with second breach; The opening direction of described the first breach and described the second breach is contrary.The invention discloses a kind of miniature circuit breaker of this insulating trip of application.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. an insulating trip (100), it is characterized in that, described insulating trip (100) comprises first insulation division (110), second insulation division (120), the 3rd insulation division (130), an extension (140), first connecting portion (150) and second connecting portion (152); Described the first connecting portion (150) is positioned between described the first insulation division (110) and described the second insulation division (120) and by both and connects; Described the second insulation division (120) is provided with a perforation (122); Described the 3rd insulation division (130) is by being connected between a folding line (170) and described the second insulation division (120) and being close to the described perforation (122) on described the second insulation division (120); Described extension (140) is connected with described the first insulation division (110) by described the second connecting portion (152), and surrounds first breach (160) between described extension (140), described the second connecting portion (152) and described the first insulation division (110); Described extension (140) is provided with second breach (143); The opening direction of described the first breach (160) and described the second breach (143) is contrary.
2. insulating trip according to claim 1 (100), is characterized in that, described insulating trip (100) is an integrative-structure.
3. insulating trip according to claim 1 (100), it is characterized in that, in described the first insulation division (110), described the second insulation division (120), described the 3rd insulation division (130), described extension (140), be respectively equipped with at least one folding line (170); Described folding line (170) is perpendicular to the length direction of described insulating trip (100).
4. insulating trip according to claim 1 (100), is characterized in that, described the 3rd insulation division (130) comprises a first protection portion (132) and a second protection portion (135); Between described the first protection portion (132) and described the second protection portion (135), by a folding line (170), connect.
5. insulating trip according to claim 1 (100), is characterized in that, described extension (140) comprises a first extension sheet (142) and a second extension sheet (145); The first end of described the first extension sheet (142) is connected with described the first insulation division (110) by described the second connecting portion (152); The upper proximal end near described the second connecting portion (152) of described the first extension sheet (142) is formed with a folding line (170); The second end of described the first extension sheet (142) is connected with described the second extension sheet (145) by a folding line (170); Described the second breach (143) is formed on upper close described the second extension sheet (145) of described the first extension sheet (142) and locates.
6. a miniature circuit breaker (200), described miniature circuit breaker (200) comprises a bimetal leaf (210), two golden support (220) and a flexible conductor (230); Described bimetal leaf (210) comprises a head (212) and an afterbody; Described two golden support (220) and the adjacent setting of described bimetal leaf (210), and described two golden support (220) comprises first contact site (240) and second contact site (250); The described head (212) of the contiguous described bimetal leaf of described the second contact site (250) (210); The described afterbody of the contiguous described bimetal leaf of described the first contact site (240) (210); The described head (212) of the contiguous described bimetal leaf of described flexible conductor (230) (210), is characterized in that, described miniature circuit breaker (200) also comprises that one as the insulating trip (100) as described in any one in claim 1 to 5; Described first insulation division (110) of described insulating trip (100) is positioned between described bimetal leaf (210) and described the first contact site (240); Described second insulation division (120) of described insulating trip (100) is positioned between described bimetal leaf (210) and described the second contact site (250); The described head (212) of described bimetal leaf (210) is protected by described the 3rd insulation division (130) of described insulating trip (100) after passing the described perforation (122) on described the second insulation division (120); Described the first breach (160) and described second breach (143) of described insulating trip (100) are crossed on described bimetal leaf (210) from two contrary directions.
7. miniature circuit breaker according to claim 6 (200), it is characterized in that, described first connecting portion (150) of described insulating trip (100) extends between described the first insulation division (110) and described the second contact site (250) along described bimetal leaf (210).
8. miniature circuit breaker according to claim 6 (200), it is characterized in that, described first insulation division (110) of described insulating trip (100), described the second insulation division (120) and described the first connecting portion (150) are positioned at the first side of described bimetal leaf (210), and described extension (140) is arranged on the second side of described bimetal leaf (210).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210301669.5A CN103632892B (en) | 2012-08-22 | 2012-08-22 | Miniature circuit breaker and insulating trip thereof |
| EP13739967.1A EP2817817B1 (en) | 2012-08-22 | 2013-07-16 | Micro current interrupter and insulating plate thereof |
| PCT/EP2013/065005 WO2014029559A1 (en) | 2012-08-22 | 2013-07-16 | Micro current interrupter and insulating plate thereof |
| BR112015003665A BR112015003665A2 (en) | 2012-08-22 | 2013-07-16 | isolation board and micro circuit breaker |
| IN8323DEN2014 IN2014DN08323A (en) | 2012-08-22 | 2013-07-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210301669.5A CN103632892B (en) | 2012-08-22 | 2012-08-22 | Miniature circuit breaker and insulating trip thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103632892A true CN103632892A (en) | 2014-03-12 |
| CN103632892B CN103632892B (en) | 2015-11-25 |
Family
ID=48856597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210301669.5A Expired - Fee Related CN103632892B (en) | 2012-08-22 | 2012-08-22 | Miniature circuit breaker and insulating trip thereof |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2817817B1 (en) |
| CN (1) | CN103632892B (en) |
| BR (1) | BR112015003665A2 (en) |
| IN (1) | IN2014DN08323A (en) |
| WO (1) | WO2014029559A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003045311A (en) * | 2001-07-26 | 2003-02-14 | Matsushita Electric Works Ltd | Circuit breaker |
| CN101477925A (en) * | 2008-12-30 | 2009-07-08 | 德力西电气有限公司 | Thermal release device for plastic circuit breaker |
| CN201845724U (en) * | 2010-05-21 | 2011-05-25 | 嘉兴市加控电气设备制造有限公司 | Circuit breaker overload protection device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2071848A (en) * | 1930-11-26 | 1937-02-23 | Westinghouse Electric & Mfg Co | Circuit breaker |
| US2213080A (en) * | 1937-09-02 | 1940-08-27 | Gen Electric | Bimetallic thermal release |
-
2012
- 2012-08-22 CN CN201210301669.5A patent/CN103632892B/en not_active Expired - Fee Related
-
2013
- 2013-07-16 BR BR112015003665A patent/BR112015003665A2/en not_active Application Discontinuation
- 2013-07-16 EP EP13739967.1A patent/EP2817817B1/en not_active Not-in-force
- 2013-07-16 IN IN8323DEN2014 patent/IN2014DN08323A/en unknown
- 2013-07-16 WO PCT/EP2013/065005 patent/WO2014029559A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003045311A (en) * | 2001-07-26 | 2003-02-14 | Matsushita Electric Works Ltd | Circuit breaker |
| CN101477925A (en) * | 2008-12-30 | 2009-07-08 | 德力西电气有限公司 | Thermal release device for plastic circuit breaker |
| CN201845724U (en) * | 2010-05-21 | 2011-05-25 | 嘉兴市加控电气设备制造有限公司 | Circuit breaker overload protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| IN2014DN08323A (en) | 2015-05-15 |
| CN103632892B (en) | 2015-11-25 |
| BR112015003665A2 (en) | 2017-07-04 |
| WO2014029559A1 (en) | 2014-02-27 |
| EP2817817A1 (en) | 2014-12-31 |
| EP2817817B1 (en) | 2016-06-01 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20190822 |