CN204632700U - The tripping system of residual current circuit breaker - Google Patents

The tripping system of residual current circuit breaker Download PDF

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Publication number
CN204632700U
CN204632700U CN201520353787.XU CN201520353787U CN204632700U CN 204632700 U CN204632700 U CN 204632700U CN 201520353787 U CN201520353787 U CN 201520353787U CN 204632700 U CN204632700 U CN 204632700U
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CN
China
Prior art keywords
release link
driving lever
tripping device
circuit breaker
current circuit
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.)
Withdrawn - After Issue
Application number
CN201520353787.XU
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Chinese (zh)
Inventor
许胜�
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WENZHOU RUINENG ELECTRICAL APPLIANCE CO Ltd
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WENZHOU RUINENG ELECTRICAL APPLIANCE CO Ltd
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Priority to CN201520353787.XU priority Critical patent/CN204632700U/en
Application granted granted Critical
Publication of CN204632700U publication Critical patent/CN204632700U/en
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Abstract

A kind of tripping system of residual current circuit breaker.It is characterized in that: leakage tripping device is electromagnetic release, and be provided with the thimble for threading off; Also be provided with the release link hinged with base, driving lever in second chamber, driving lever and operating mechanism are connected; Release link comprises the articulated section hinged with base, can drive the first action part of driving lever action, the second action part with thimble corresponding matching when threading off; Also Flexible Connector is provided with between contact support and the second action part of release link.When its advantage is to thread off, the thimble of leakage tripping device can promote release link action, the first action part of release link then promotes driving lever, operating mechanism realizes tripping operation of threading off, tripping operation simultaneously makes contact support rotate, and drives release link to reset by Flexible Connector, and the second action part of release link then promotes the thimble reset of leakage tripping device, not only structure is simple, rationally distributed, and the reliability that the thimble improving leakage tripping device resets, guarantee the stability of electric leakage Interruption.

Description

The tripping system of residual current circuit breaker
Technical field
The utility model relates to a kind of residual current circuit breaker, is specifically related to a kind of tripping system of residual current circuit breaker.
Background technology
Residual current circuit breaker is actually a kind of circuit breaker with creepage protection function.Usual residual current circuit breaker is by housing, handle, operating mechanism, contact mechanism, electrical leakage tripping device, overload/short circuit tripping mechanism and indicating mechanism.
The tripping mechanism of usual residual current circuit breaker generally adopts electronic type release or electromagnetic release, electronic type release is after dropout completes, its push rod can reset under spring force, but electromagnetic release then needs when closing a floodgate, by operating mechanism action, back transfer active force makes the push rod of electromagnetic release reset, and this structure makes the reset of the push rod of electromagnetic release have certain delay, affects the performance of residual current circuit breaker.
Utility model content
In order to overcome the deficiency of background technology, the utility model provides the tripping system of residual current circuit breaker, and not only structure is simple, and leakage tripping device resets reliable, the stable performance of residual current circuit breaker.
The technical scheme that the utility model adopts: a kind of tripping system of residual current circuit breaker, comprises base, described base both sides are respectively equipped with the first chamber, the second chamber; Operating mechanism is provided with in described first chamber; Be provided with electrical leakage tripping device in described second chamber, described electrical leakage tripping device comprises leakage tripping device, contact support, moving contact, and described contact support and operating mechanism are connected; Described leakage tripping device is electromagnetic release, and is provided with the thimble for threading off,
Also be provided with the release link hinged with base, driving lever in described second chamber, described driving lever and operating mechanism are connected; Described release link comprises the articulated section hinged with base, can drive the first action part of driving lever action, the second action part with thimble corresponding matching when threading off; Also Flexible Connector is provided with between described contact support and the second action part of release link.
Described Flexible Connector is torsion spring, and described torsion spring is arranged on the articulated section of release link, and a leg of described torsion spring is arranged between the second action part and contact support.
Described base is provided with backstay, and described leakage tripping device is provided with the location hole with backstay adaptation, and described leakage tripping device is fixedly mounted on base by backstay.
Described driving lever is arranged between base and leakage tripping device, is also provided with one deck dividing plate between described driving lever and leakage tripping device.
Described operating mechanism comprises operating grip, connecting rod, rotating shaft, tripping, snap close, and described operating grip is connected by connecting rod and rotating shaft, and described driving lever and snap close are connected.
Rotating shaft and contact support are integral type structure.
Also current transformer is provided with in described second chamber.
The beneficial effects of the utility model are: adopt above scheme, when drop-away current reaches prescribed limit value, the thimble of leakage tripping device can promote release link action, the first action part of release link then promotes driving lever, operating mechanism realizes tripping operation of threading off, tripping operation simultaneously makes contact support rotate, and drive release link to reset by Flexible Connector, the second action part of release link then promotes the thimble reset of leakage tripping device, not only structure is simple, rationally distributed, and the reliability that the thimble improving leakage tripping device resets, guarantee the stability of electric leakage Interruption.
Accompanying drawing explanation
Fig. 1 is the structural representation in the utility model embodiment second chamber.
Fig. 2 is the structural representation after hiding the second release in the utility model embodiment second chamber.
Fig. 3 is the structural representation after hiding the second release and dividing plate in the utility model embodiment second chamber.
Fig. 4 is the structural representation in the utility model embodiment first chamber.
Fig. 5 is the structural representation of the utility model embodiment release link.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
As shown in the figure, a kind of tripping system of residual current circuit breaker, comprises base 1, and described base 1 both sides are respectively equipped with the first chamber, the second chamber; Operating mechanism is provided with in described first chamber, described operating mechanism comprises operating grip 10, connecting rod 11, rotating shaft 12, tripping 13, snap close 14, described operating grip 10 is connected by connecting rod and rotating shaft 12, and described tripping 13 to be arranged in rotating shaft 12 and to coordinate with snap close 14;
Be provided with electrical leakage tripping device in described second chamber, described electrical leakage tripping device comprises leakage tripping device 2, contact support 3, moving contact 4, release link 5, driving lever 6; Described leakage tripping device 2 is electromagnetic release, and the thimble 21 be provided with for threading off, driving lever 6 is also provided with described in current transformer 15 hinged and be connected with snap close 14 with base in second chamber, described contact support 3 is connected with rotating shaft 12, certainly, described contact support 3 can be integral structure with rotating shaft 12, and such synchronism is higher, and Interruption is better;
Described release link 5 comprises the articulated section 51 hinged with base 1, can drive the first action part 52 of driving lever 6 action, the second action part 53 with thimble 21 corresponding matching when threading off; Also Flexible Connector is provided with between described contact support 3 and the second action part 53 of release link 5.
Wherein said Flexible Connector can be torsion spring 7, and described torsion spring 7 is arranged on the articulated section 51 of release link 5, and a leg of described torsion spring 7 is arranged on the second action part 53 and contact is supported between 3.
When drop-away current reaches prescribed limit value, the thimble of leakage tripping device can promote release link action, the first action part of release link then promotes driving lever, operating mechanism realizes tripping operation of threading off, tripping operation simultaneously makes contact support rotate, and drives release link to reset by Flexible Connector, and the second action part of release link then promotes the thimble reset of leakage tripping device, not only structure is simple, rationally distributed, and the reliability that the thimble improving leakage tripping device resets, guarantee the stability of electric leakage Interruption.
In addition, described base 1 is provided with backstay 8, described leakage tripping device 2 is provided with the location hole 22 with backstay 8 adaptation, described leakage tripping device is fixedly mounted on base 1 by backstay 8, described driving lever 6 is arranged between base 1 and leakage tripping device 2, is also provided with one deck dividing plate 9 between described driving lever 6 and leakage tripping device 2.Such structure is not only more simply compact, and assembling is also convenient.

Claims (7)

1. a tripping system for residual current circuit breaker, comprises base (1), and described base (1) both sides are respectively equipped with the first chamber, the second chamber; Operating mechanism is provided with in described first chamber; Be provided with electrical leakage tripping device in described second chamber, described electrical leakage tripping device comprises leakage tripping device (2), contact support (3), moving contact (4), and described contact support (3) and operating mechanism are connected;
It is characterized in that: described leakage tripping device (2) is electromagnetic release, and be provided with the thimble (21) for threading off; Also be provided with the release link (5) hinged with base (1), driving lever (6) in described second chamber, described driving lever (6) and operating mechanism are connected; Described release link (5) comprises the articulated section (51) hinged with base (1), can drive the first action part (52) of driving lever (6) action, the second action part (53) with thimble (21) corresponding matching when threading off; Also Flexible Connector is provided with between described contact support (3) and the second action part (53) of release link (5).
2. the tripping system of residual current circuit breaker according to claim 1, it is characterized in that: described Flexible Connector is torsion spring (7), described torsion spring (7) is arranged on the articulated section (51) of release link (5), and a leg of described torsion spring (7) is arranged between the second action part (53) and contact support (3).
3. the tripping system of residual current circuit breaker according to claim 1, it is characterized in that: described base (1) is provided with backstay (8), described leakage tripping device (2) is provided with the location hole (22) adaptive with backstay (8), and described leakage tripping device is fixedly mounted on base (1) by backstay (8).
4. the tripping system of residual current circuit breaker according to claim 3, is characterized in that: described driving lever (6) is arranged between base (1) and leakage tripping device (2), is also provided with one deck dividing plate (9) between described driving lever (6) and leakage tripping device (2).
5. the tripping system of residual current circuit breaker according to claim 1, it is characterized in that: described operating mechanism comprises operating grip (10), connecting rod (11), rotating shaft (12), tripping (13), snap close (14), described operating grip (10) is connected by connecting rod (11) and rotating shaft (12), and described driving lever (6) and snap close (14) are connected.
6. the tripping system of residual current circuit breaker according to claim 5, is characterized in that: rotating shaft (11) and contact support (3) are integral type structure.
7. the tripping system of residual current circuit breaker according to claim 1, is characterized in that: be also provided with current transformer (15) in described second chamber.
CN201520353787.XU 2015-05-28 2015-05-28 The tripping system of residual current circuit breaker Withdrawn - After Issue CN204632700U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520353787.XU CN204632700U (en) 2015-05-28 2015-05-28 The tripping system of residual current circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520353787.XU CN204632700U (en) 2015-05-28 2015-05-28 The tripping system of residual current circuit breaker

Publications (1)

Publication Number Publication Date
CN204632700U true CN204632700U (en) 2015-09-09

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CN201520353787.XU Withdrawn - After Issue CN204632700U (en) 2015-05-28 2015-05-28 The tripping system of residual current circuit breaker

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104900455A (en) * 2015-05-28 2015-09-09 温州锐能电器有限公司 Tripping system of residual-current circuit breaker
CN108511288A (en) * 2018-03-07 2018-09-07 广东南冠电气有限公司 A kind of compact electromagnetic dropout type leakage circuit breakers
CN109166775A (en) * 2018-10-09 2019-01-08 温州华嘉电器有限公司 A kind of novel electromagnetic leakage circuit breakers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104900455A (en) * 2015-05-28 2015-09-09 温州锐能电器有限公司 Tripping system of residual-current circuit breaker
CN108511288A (en) * 2018-03-07 2018-09-07 广东南冠电气有限公司 A kind of compact electromagnetic dropout type leakage circuit breakers
CN108511288B (en) * 2018-03-07 2023-09-05 广东南冠电气有限公司 Small electromagnetic trip type leakage circuit breaker
CN109166775A (en) * 2018-10-09 2019-01-08 温州华嘉电器有限公司 A kind of novel electromagnetic leakage circuit breakers

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AV01 Patent right actively abandoned

Granted publication date: 20150909

Effective date of abandoning: 20170912

AV01 Patent right actively abandoned