CN104835699A - Circuit breaker with double moving contacts - Google Patents
Circuit breaker with double moving contacts Download PDFInfo
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- CN104835699A CN104835699A CN201510210600.5A CN201510210600A CN104835699A CN 104835699 A CN104835699 A CN 104835699A CN 201510210600 A CN201510210600 A CN 201510210600A CN 104835699 A CN104835699 A CN 104835699A
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- moving contact
- circuit breaker
- moving
- support
- boss
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Abstract
The invention provides a circuit breaker with double moving contacts, and mainly solves the problem that existing circuit breakers are mostly provided with only one moving contact, and when the circuit breaker with one moving contact is in use, the contact area between the moving contact and a static contact is small, generated heat is uneasy to radiate, the temperature rise is relatively high, and the service lifetimes of the contacts are influenced. The circuit breaker with the double moving contacts is characterized in that the moving contacts comprises a first moving contact (12) and a second moving contact (17), the first moving contact (12) and the second moving contact (17) are coaxially arranged and respectively hinged with a support (11). The support (11) is provided with a moving contact torsion spring (111) matched with the first moving contact (12) and the second moving contact (17). The invention provides the circuit breaker with the double moving contacts, the support of the circuit breaker is provided with at least two moving contacts, the contact area of moving and static contacts is increased, the temperature rise is relatively low, the service lifetimes of the contacts are long, and even if one moving contact breaks down, the other moving contact can also work as usual, so that the operation stability of the circuit breaker is ensured.
Description
Technical field
The present invention relates to field of circuit breakers, specifically a kind of circuit breaker being provided with two moving contact.
Background technology
Circuit breaker has structure advanced person, dependable performance, breaking capacity is strong, the feature such as small and exquisite aesthetic in appearance, make office building, the illumination of house and similar building, the overload of distribution line and equipment and the use of short-circuit protection, also can be used as the use of circuit infrequently make-break operation and conversion, present circuit breaker only has a moving contact mostly (if publication number is CN 103140911 A, patent name is the Chinese patent of " circuit breaker "), the circuit breaker of this spline structure when in use, dynamic, the contact area of fixed contact is little, the heat produced is not easy to distribute, temperature rise is higher, affect contact useful life.
Summary of the invention
In order to overcome the deficiency of background technology, the invention provides a kind of circuit breaker being provided with two moving contact, mainly solve present circuit breaker and mostly only have a moving contact, the circuit breaker of this spline structure when in use, the contact area of dynamic and static contact is little, the heat produced is not easy to distribute, and temperature rise is higher, affects the problem in contact useful life.
The technical solution adopted in the present invention is:
A kind of circuit breaker being provided with two moving contact, comprise housing, tripping mechanism is provided with in described housing, arc-extinguishing mechanism, described tripping mechanism comprises support, magnetictrip, snap close, moving contact, tripping and the moving contact torsion spring with described moving contact adaptation, described magnetictrip is corresponding with described snap close to be arranged, described tripping and snap close correspondence are arranged, described moving contact comprises the first moving contact and the second moving contact, described first moving contact and the second moving contact are coaxially arranged and all hinged with described support, described support is provided with the moving contact torsion spring with described first moving contact and the second moving contact adaptation.
Described moving contact torsion spring is double end torsion spring.
On described support, both sides are respectively equipped with first jointed shaft corresponding with described first moving contact and the second moving contact and the second jointed shaft, two of described moving contact torsion spring is set on described first jointed shaft and the second jointed shaft respectively, described inner walls is also provided with the support jointed shaft corresponding with described support, described moving contact torsion spring two ends and described support jointed shaft compress, and middle-end and described first moving contact and the second moving contact compress.
With described first moving contact with the second moving contact upper end is corresponding is provided with escape groove on described support.
Also be provided with positive stop lug boss in described housing, described positive stop lug boss is provided with stopper slot, and described pedestal upper end is provided with the spacing block set with described stopper slot adaptation.
Described frame bottom is also provided with dovetail groove, also comprises back-moving spring, and described back-moving spring front end coordinates with described dovetail groove is spacing and presses on bottom described dovetail groove, and described back-moving spring rear end compresses and described housing sidewall.
Described first moving contact and the second moving contact structure, shape are identical.
The connecting rod that described tripping mechanism also comprises two gold plaque and links with described snap close, described connecting rod comprises and the front end that described snap close connects and the rear end corresponding with described pair of gold plaque, described snap close is provided with pin-and-hole, described front end comprises limiting section and the plug pin portion with described pin-and-hole adaptation, and it is round dot swaying direction carries out the first spacing stopper slot that described snap close to be provided with described limiting section with pin-and-hole.
On described snap close, correspondence and described limiting section both sides are also provided with the first boss and the second boss, and form the first described stopper slot between described first boss and the second boss, the height of described first boss and the second boss is greater than the diameter of described limiting section.
In 90 degree of settings between described limiting section and plug pin portion.
The invention has the beneficial effects as follows: the invention provides a kind of circuit breaker being provided with two moving contact, its support is provided with at least two moving contacts, add the contact area of dynamic/static contact, temperature rise is lower, contact long service life, even if fault has appearred in a moving contact, another moving contact also can work as usual, ensure that circuit breaker runs stable.
Accompanying drawing explanation
Fig. 1 is the internal structure signal of one embodiment of the invention.
Fig. 2 is the sectional perspective schematic diagram of one embodiment of the invention.
Fig. 3 is the schematic perspective view of the support of one embodiment of the invention.
Fig. 4 Figure 1A place enlarged drawing.
Fig. 5 is 1B place enlarged drawing.
Fig. 6 is the schematic perspective view of the connecting rod of one embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described: as shown in the figure, a kind of circuit breaker being provided with two moving contact, comprise housing 1, tripping mechanism is provided with in described housing 1, arc-extinguishing mechanism, described tripping mechanism comprises support 11, magnetictrip 16, snap close 13, moving contact, tripping 14 and the moving contact torsion spring 111 with described moving contact adaptation, described magnetictrip 16 is corresponding with described snap close 13 to be arranged, described tripping 14 and snap close 13 correspondence are arranged, described moving contact comprises the first moving contact 12 and the second moving contact 17, described first moving contact 12 and the second moving contact 17 are coaxially arranged and all hinged with described support 11, described support 11 is provided with the moving contact torsion spring 111 with described first moving contact 12 and the second moving contact 17 adaptation.The invention provides a kind of circuit breaker being provided with two moving contact, its support is provided with at least two moving contacts, add the contact area of dynamic/static contact, temperature rise is lower, contact long service life, even if fault has appearred in a moving contact, another moving contact also can work as usual, ensure that circuit breaker runs stable.
In the present invention, as shown in the figure, described moving contact torsion spring 111 is double end torsion spring.Realize the reset to two moving contacts with double end torsion spring herein, be preferred version, 2 torsion springs can certainly be designed to according to the actual requirements and realize.
In the present invention, as shown in the figure, on described support 11, both sides are respectively equipped with first jointed shaft 112 and second jointed shaft 113 corresponding with described first moving contact 12 and the second moving contact 17, two of described moving contact torsion spring 111 is set on described first jointed shaft 112 and the second jointed shaft 113 respectively, described housing 1 inwall is also provided with the support jointed shaft 15 corresponding with described support 11, described moving contact torsion spring 111 two ends and described support jointed shaft 15 compress, and middle-end and described first moving contact 12 and the second moving contact 17 compress.The two ends of support are provided with the first jointed shaft and the second jointed shaft, first moving contact and the second moving contact corresponding be arranged on the first jointed shaft and the second jointed shaft, the back that the middle-end of contact torsion spring is pressed on the first moving contact and the second moving contact simultaneously realizes the Synchronization Control to two moving contacts.
In the present invention, as shown in the figure, on described support 11 with described first moving contact 12 with the second moving contact 17 upper end is corresponding is provided with escape groove 117.When moving contact rotates and resets, can not produce with support and interfere, result of use is better.
In the present invention, as shown in the figure, be also provided with positive stop lug boss 18 in described housing 1, described positive stop lug boss 18 is provided with stopper slot 181, and described support 11 upper end is provided with the spacing block set 119 with described stopper slot 181 adaptation.When support motion, run more steady, result of use is good.
In the present invention, as shown in the figure, be also provided with dovetail groove 115 bottom described support 11, also comprise back-moving spring 116, described back-moving spring 116 front end coordinates with described dovetail groove 115 is spacing and presses on bottom described dovetail groove 115, and described back-moving spring 116 rear end compresses and described housing 1 sidewall.During use, can place in dovetail groove by circle a few before back-moving spring, such back-moving spring can not be deviate from, and when acting on support, performance is more stable, and structure is simple, and result of use is good.
In the present invention, as shown in the figure, described first moving contact 12 and the second moving contact 17 structure, shape are identical.Be convenient to processing, be convenient to obtain, assemble convenient, also can design the moving contact of different size herein according to the actual requirements.
In the present invention, as shown in the figure, the connecting rod 171 that described tripping mechanism also comprises two gold plaque 151 and links with described snap close 13, described connecting rod 171 comprises the front end 172 and the rear end 173 corresponding with described pair of gold plaque 15 that connect with described snap close 13, described snap close 13 is provided with pin-and-hole 134, described front end 172 comprises limiting section 174 and the plug pin portion 175 with described pin-and-hole 134 adaptation, and it is round dot swaying direction carries out the first spacing stopper slot 135 that described snap close 13 to be provided with described limiting section 174 with pin-and-hole 134.Here stopper slot can be located at the groove between two boss, also can be groove, it be that round dot swaying direction carries out spacing stopper slot that the snap close in its tripping mechanism to be provided with connecting rod with pin-and-hole, to carry out point and when lock action at circuit breaker, there will not be swing, result of use is better.
In the present invention, as shown in the figure, on described snap close 13, correspondence and described limiting section 174 both sides are also provided with the first boss 136 and the second boss 137, form the first described stopper slot 135 between described first boss 136 and the second boss 137, the height of described first boss 136 and the second boss 137 is greater than the diameter of described limiting section 174.As preferably, snap close arranges the first boss and the second boss, carry out spacing by the inwall of the first boss and the second boss to limiting section, structure is simple, and result of use is better.
In the present invention, as shown in the figure, between described limiting section 174 and plug pin portion 175 be 90 degree of settings.Structure is more stable, and result of use is better.
Embodiment should not be considered as limitation of the present invention, but any improvement done based on spirit of the present invention, all should within protection scope of the present invention.
Claims (10)
1. one kind is provided with the circuit breaker of two moving contact, comprise housing (1), described housing is provided with tripping mechanism in (1), arc-extinguishing mechanism, described tripping mechanism comprises support (11), magnetictrip (16), snap close (13), moving contact, tripping (14) and the moving contact torsion spring (111) with described moving contact adaptation, described magnetictrip (16) is corresponding with described snap close (13) to be arranged, described tripping (14) and snap close (13) correspondence are arranged, it is characterized in that: described moving contact comprises the first moving contact (12) and the second moving contact (17), described first moving contact (12) and the second moving contact (17) are coaxially arranged and all hinged with described support (11), described support (11) is provided with the moving contact torsion spring (111) with described first moving contact (12) and the second moving contact (17) adaptation.
2. a kind of circuit breaker being provided with two moving contact according to claim 1, is characterized in that: described moving contact torsion spring (111) is double end torsion spring.
3. a kind of circuit breaker being provided with two moving contact according to claim 2, it is characterized in that: the upper both sides of described support (11) are respectively equipped with first jointed shaft (112) corresponding with described first moving contact (12) and the second moving contact (17) and the second jointed shaft (113), two of described moving contact torsion spring (111) is set on described first jointed shaft (112) and the second jointed shaft (113) respectively, described housing (1) inwall is also provided with the support jointed shaft (15) corresponding with described support (11), described moving contact torsion spring (111) two ends and described support jointed shaft (15) compress, middle-end and described first moving contact (12) and the second moving contact (17) compress.
4. a kind of circuit breaker being provided with two moving contact according to claim 1, is characterized in that: described support (11) is upper with described first moving contact (12) with the second moving contact (17) upper end is corresponding is provided with escape groove (117).
5. a kind of circuit breaker being provided with two moving contact according to claim 1, it is characterized in that: in described housing (1), be also provided with positive stop lug boss (18), described positive stop lug boss (18) is provided with stopper slot (181), and described support (11) upper end is provided with the spacing block set (119) adaptive with described stopper slot (181).
6. a kind of circuit breaker being provided with two moving contact according to claim 1, it is characterized in that: described support (11) bottom is also provided with dovetail groove (115), also comprise back-moving spring (116), described back-moving spring (116) front end coordinates with described dovetail groove (115) is spacing and presses on described dovetail groove (115) bottom, and described back-moving spring (116) rear end compresses and described housing (1) sidewall.
7. a kind of circuit breaker being provided with two moving contact according to claim 1, is characterized in that: described first moving contact (12) and the second moving contact (17) structure, shape are identical.
8. a kind of circuit breaker being provided with two moving contact according to claim 1, it is characterized in that: the connecting rod (171) that described tripping mechanism also comprises two gold plaque (151) and links with described snap close (13), the front end (172) that described connecting rod (171) comprises with described snap close (13) connects and the rear end (173) corresponding with described pair of gold plaque (15), described snap close (13) is provided with pin-and-hole (134), described front end (172) comprises limiting section (174) and the plug pin portion (175) adaptive with described pin-and-hole (134), described snap close (13) to be provided with described limiting section (174) with pin-and-hole (134) as round dot swaying direction carrying out spacing the first stopper slot (135).
9. a kind of circuit breaker being provided with two moving contact according to claim 8, it is characterized in that: the upper correspondence of described snap close (13) and described limiting section (174) both sides are also provided with the first boss (136) and the second boss (137), form described the first stopper slot (135) between described first boss (136) and the second boss (137), the height of described first boss (136) and the second boss (137) is greater than the diameter of described limiting section (174).
10. a kind of circuit breaker being provided with two moving contact according to claim 9, is characterized in that: in 90 degree of settings between described limiting section (174) and plug pin portion (175).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210600.5A CN104835699B (en) | 2015-04-29 | 2015-04-29 | A kind of breaker provided with double acting contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210600.5A CN104835699B (en) | 2015-04-29 | 2015-04-29 | A kind of breaker provided with double acting contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104835699A true CN104835699A (en) | 2015-08-12 |
| CN104835699B CN104835699B (en) | 2017-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510210600.5A Active CN104835699B (en) | 2015-04-29 | 2015-04-29 | A kind of breaker provided with double acting contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104835699B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971921A (en) * | 2017-04-17 | 2017-07-21 | 乐清市沃斯托电气有限公司 | Breaker |
| CN107546077A (en) * | 2017-10-21 | 2018-01-05 | 浙江诺科电气科技股份有限公司 | High current miniature circuit breaker |
| CN115424902A (en) * | 2022-09-07 | 2022-12-02 | 加西亚电子电器股份有限公司 | Residual current circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1178509A2 (en) * | 2000-07-21 | 2002-02-06 | GEWISS S.p.A. | Magnetothermal electrical circuit breaker |
| CN201438448U (en) * | 2009-04-29 | 2010-04-14 | 温州波普电气有限公司 | Small circuit breaker |
| CN102655066A (en) * | 2012-03-31 | 2012-09-05 | 温州奥来电器有限公司 | High-breaking-capacity energy-storage-type biaxial miniature circuit breaker |
| CN204537965U (en) * | 2015-04-29 | 2015-08-05 | 浙江天正电气股份有限公司 | A kind of circuit breaker being provided with two moving contact |
-
2015
- 2015-04-29 CN CN201510210600.5A patent/CN104835699B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1178509A2 (en) * | 2000-07-21 | 2002-02-06 | GEWISS S.p.A. | Magnetothermal electrical circuit breaker |
| CN201438448U (en) * | 2009-04-29 | 2010-04-14 | 温州波普电气有限公司 | Small circuit breaker |
| CN102655066A (en) * | 2012-03-31 | 2012-09-05 | 温州奥来电器有限公司 | High-breaking-capacity energy-storage-type biaxial miniature circuit breaker |
| CN204537965U (en) * | 2015-04-29 | 2015-08-05 | 浙江天正电气股份有限公司 | A kind of circuit breaker being provided with two moving contact |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971921A (en) * | 2017-04-17 | 2017-07-21 | 乐清市沃斯托电气有限公司 | Breaker |
| CN106971921B (en) * | 2017-04-17 | 2019-10-01 | 乐清市沃斯托电气有限公司 | Breaker |
| CN107546077A (en) * | 2017-10-21 | 2018-01-05 | 浙江诺科电气科技股份有限公司 | High current miniature circuit breaker |
| CN115424902A (en) * | 2022-09-07 | 2022-12-02 | 加西亚电子电器股份有限公司 | Residual current circuit breaker |
| CN115424902B (en) * | 2022-09-07 | 2024-04-23 | 加西亚电子电器股份有限公司 | Leakage circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104835699B (en) | 2017-09-12 |
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