CN202259078U - Small electricity leakage circuit breaker with width of 18mm - Google Patents

Small electricity leakage circuit breaker with width of 18mm Download PDF

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Publication number
CN202259078U
CN202259078U CN2011203347519U CN201120334751U CN202259078U CN 202259078 U CN202259078 U CN 202259078U CN 2011203347519 U CN2011203347519 U CN 2011203347519U CN 201120334751 U CN201120334751 U CN 201120334751U CN 202259078 U CN202259078 U CN 202259078U
Authority
CN
China
Prior art keywords
utmost point
lever
width
point contact
contact supporting
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.)
Expired - Lifetime
Application number
CN2011203347519U
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Chinese (zh)
Inventor
李金�
幸奠超
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.)
Garcia electronic appliance Limited by Share Ltd
Original Assignee
ZHEJIANG GACIA ELECTRICAL APPLIANCES CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN2011203347519U priority Critical patent/CN202259078U/en
Application granted granted Critical
Publication of CN202259078U publication Critical patent/CN202259078U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a small electricity leakage circuit breaker with width of 18mm. By adopting the small electricity leakage circuit breaker with width of 18mm, the problems of unreliable rotation of a movable contact and the like are solved. The small electricity leakage circuit breaker with width of 18mm comprises a handle, a jump buckle, a lock catch, a tripping rod and a lever, wherein the jump buckle is matched with the lock catch; both the jump buckle and the lock catch are hinged with the lever; two sides of the lever are provided with an L-pole contact bracket and an N-pole contact bracket respectively; the lock catch is provided with a lug boss; the tripping rod and the L-pole contact bracket are connected with the lug boss in sequence; the L-pole contact bracket and the N-pole contact bracket are connected by a linkage shaft; the lever is provided with a spring to be connected with the linkage shaft; both the L-pole contact bracket and the N-pole contact bracket are provided with holding grooves; and the holding groove is internally provided with a corresponding movable contact. The small electricity leakage circuit breaker with width of 18mm has the beneficial effects that when the small circuit breaker needs to be switched off, the contact bracket can more quickly respond so that the movable contact can be reliably switched off; and moreover, the small electricity leakage circuit breaker with width of 18mm is simple in internal structure, is flexible in operation and is convenient to mount and maintain.

Description

Width is 18 millimeters a small-sized RCCB
Technical field
The utility model relates to a kind of low-voltage electrical apparatus, is specifically related to a kind of width and is 18 millimeters small-sized RCCB.
Background technology
Contact system, arc quenching system, operating mechanism, free tripping mechanism, over-current protection system, short circuit protection system and leakage protection system have been comprised at small-sized RCCB.Small-sized RCCB commonly used when realizing short-circuit protection, overload protection, is normally expanded a space in addition the electric leakage tripping driving device is installed, and realizes earth leakage protective.But increased the length of housing like this, increased the volume of circuit breaker, promptly increased manufacturing cost; Cause simultaneously with used width be circuit breaker when combination of 18 millimeters, make combination seem irregular, bring unnecessary layout trouble, whole attractive in appearance of influence simultaneously.
And existing width is 18 millimeters a small-sized RCCB (be meant the small-sized RCCB of the type, but not the width of limiting circuit breaker), though the whole bodily form can neatly make up with other circuit breakers of 18 millimeters; But its operating mechanism generally includes handle and lever; And lever directly links to each other with moving contact, and moving contact rotates between back moving contact and fixed contact gappedly owing to reasons such as wearing and tearing cause at work, influences the connection of electric wiring and the resistance of electric wiring; Simultaneously when breaking off; Fail to make moving contact to arrive former allocation again, do not have enough electric clearances between dynamic and static contact, influence the use of circuit breaker.
Summary of the invention
For solving the moving contact mentioned in the background technology owing to reasons such as wearing and tearing cause rotation unreliable; Influence problems such as miniature circuit breaker breaking capacity, it is 18 millimeters small-sized RCCB that the utility model provides the width of a kind of constancy of volume, flexible operation, reliable in action.
The technical scheme of the utility model is: a kind of width is 18 millimeters a small-sized RCCB; Comprise base, top cover, mesochite, handle, tripping, snap close, release lever, lever, bimetal leaf, electromagnetic system and leakage protection system; Described leakage protection system comprises ZCT and electronic type magnet ring, and described electronic type magnet ring is located at a side of electromagnetic system, and described tripping and snap close are suitable and all be hinged with lever; The both sides of said lever are respectively equipped with L utmost point contact supporting and N utmost point contact supporting; Described snap close is provided with projection, and described release lever links to each other with projection with L utmost point contact supporting successively, and described L utmost point contact supporting is connected through universal driving shaft with N utmost point contact supporting; Described lever is provided with spring and links to each other with universal driving shaft; Be equipped with storage tank on described L utmost point contact supporting and the N utmost point contact supporting, be provided with corresponding moving contact in the described storage tank, described mesochite is provided with and the corresponding fixed contact of moving contact.
As a kind of improvement of the utility model, described lever is provided with lever shaft, and described L utmost point contact supporting and N utmost point contact supporting are with being located in the lever both sides.
As a kind of improvement of the utility model, described L utmost point contact supporting is identical with the structure of N utmost point contact supporting.
Another kind as the utility model improves, and described snap close is provided with gap slot, and described projection is located in the gap slot.
Another kind as the utility model improves, and described handle is provided with handle attachment, and the gliding slot that glide end that said handle attachment is provided with and base are provided with is suitable.
Another kind as the utility model improves, and is provided with the bimetallic partition between described bimetal leaf and L utmost point moving contact.
The beneficial effect of the utility model is, when width is 18 millimeters a small-sized RCCB need break off the time, contact supporting can react more rapidly, and moving contact is broken off; And being provided with of spring can afford redress, and when connecting, pulling force can be provided, and dynamic and static contact is reliably connected; When breaking off, can guarantee to have enough electric clearances between dynamic and static contact, and the utility model internal structure is simple; Flexible operation, installation, maintenance is convenient, and breaking capacity is strong.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment.
Accompanying drawing 2 is the structural representation of handle attachment among the utility model embodiment.
Accompanying drawing 3 is the structural representation of L utmost point contact supporting among the utility model embodiment.
Accompanying drawing 4 is the structural representation of snap close among the utility model embodiment.
Among the figure, handle 1, handle attachment 11, the end 111 that glides, tripping 2, snap close 3; Gap slot 301, projection 302, release lever 31, lever 4, lever shaft 41, L utmost point contact supporting 5; Storage tank 501, L utmost point moving contact 6, bimetal leaf 7, bimetallic partition 71, electromagnetic system 8, universal driving shaft 9.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described further:
By Fig. 1 combine Fig. 2,3, shown in 4; A kind of width is 18 millimeters a small-sized RCCB; Comprise base, top cover, mesochite, handle 1, tripping 2, snap close 3, release lever 31, lever 4, bimetal leaf 7, electromagnetic system 8 and leakage protection system, described leakage protection system comprises ZCT and electronic type magnet ring, and described electronic type magnet ring is located at a side of electromagnetic system 8; Described tripping 2 and snap close 3 are suitable and all be hinged with lever 4; The both sides of said lever 4 are respectively equipped with L utmost point contact supporting 5 and N utmost point contact supporting, and described snap close 3 is provided with gap slot 301, is provided with projection 302 in the described gap slot 301; Described release lever 31 links to each other with projection 302 with L utmost point contact supporting 5 successively; Described L utmost point contact supporting 5 is connected through universal driving shaft 9 with N utmost point contact supporting, and described lever 4 is provided with spring 42 and links to each other with universal driving shaft 9, is equipped with storage tank 501 on described L utmost point contact supporting 5 and the N utmost point contact supporting; Be provided with corresponding moving contact 6 in the described storage tank 501, described mesochite is provided with and moving contact 6 corresponding fixed contacts.When width is 18 millimeters a small-sized RCCB need break off the time, contact supporting can react more rapidly, moving contact is broken off, and being provided with of spring can afford redress; When connecting, pulling force can be provided, dynamic and static contact is reliably connected; When breaking off, can guarantee to have enough electric clearances between dynamic and static contact, and the utility model internal structure is simple; Flexible operation, installation, maintenance is convenient, and breaking capacity is strong.
Described lever 4 is provided with lever shaft 41, and described L utmost point contact supporting 5 is located in lever 4 both sides together with N utmost point contact supporting, and L utmost point contact supporting 5 is identical with the structure of N utmost point contact supporting.Because L utmost point contact supporting and the coaxial setting of N utmost point contact supporting, breaking off at needs is can realize more rapidly, and because the structure of L, N utmost point contact supporting is identical, make that the manufacturing of contact supporting is convenient.
Described handle 1 is provided with handle attachment 11, and the gliding slot that glide end 111 and the base that said handle attachment 11 is provided with is provided with is suitable.Such structure is more steady when handle is rotated.
Described bimetal leaf 7 and 6 of L utmost point moving contacts are provided with bimetallic partition 71.Avoid then useless, moving contact contacts with bimetal leaf, has influenced bimetal leaf and moving contact precision.
In the utility model; Comprise base, top cover, mesochite, handle 1, tripping 2, snap close 3, release lever 31, lever 4, bimetal leaf 7, electromagnetic system 8 and leakage protection system; Described leakage protection system comprises ZCT and electronic type magnet ring, and described electronic type magnet ring is located at a side of electromagnetic system 8, and described tripping 2 and snap close 3 are suitable and all be hinged with lever 4; Coaxial L utmost point contact supporting 5 and the N utmost point contact supporting of being provided with in the both sides of said lever 4; Described snap close 3 is provided with gap slot 301, is provided with projection 302 in the described gap slot 301, and described release lever 31 links to each other with projection 302 with L utmost point contact supporting 5 successively; Described release lever 31 is corresponding with bimetal leaf 7 and electromagnetic system 8 respectively; Described L utmost point contact supporting 5 is connected through universal driving shaft 9 with N utmost point contact supporting, and described lever 4 is provided with spring 42 and links to each other with universal driving shaft 9, is equipped with storage tank 501 on described L utmost point contact supporting 5 and the N utmost point contact supporting; Be provided with corresponding moving contact 6 in the described storage tank 501, described mesochite is provided with and 6 corresponding fixed contacts of movable contact.When turning handle 1; Handle 1 drives tripping 2 through connecting rod, and tripping 2 makes snap close 3 drive L, the rotation of N utmost point moving contact, when dynamic and static contact contacts and enough contact pressures are arranged; Width is that 18 millimeters small-sized RCCB is connected electric loop; Local temperature through bimetal leaf 7 sensing miniature circuit breakers changes, and judges the size of current of circuit system, realizes excess current protective function.When loop current remains on load current value that miniature circuit breaker sets and when following, the distortion that the thermal effect that this electric current produces produces sheet metal 7 is very little, and tripper is triped; When loop current surpassed the rated current of setting, bimetal leaf 7 temperature of miniature circuit breaker raise, and can produce enough thermal deformations; Bimetal leaf 7 pulling release levers 31, release lever 31 acts on snap close 3, and snap close 3 drives L, N utmost point moving contact; At this moment, the dynamic and static contact in the contact system separates, and tripping 2 is threaded off; Cut off current circuit, realize current protecting function.Short circuit protection system is by electromagnetic system 8 sensing loop change in current, and when loop current is in normal value or when the short-circuit protection value of setting was following, the electromagnetic attraction that electromagnetic system produces can not overcome the active force of reaction spring, push rod remains on initial position; When the current circuit failed because, electric current sharply increases, and the electromagnetic force that electromagnetic system 8 produces overcomes the active force of reaction spring; Push rod promotes release lever 31, acts on free tripping mechanism, and free tripping mechanism is triped; Cut off current circuit, realize short-circuit protection function.Described leakage protection system comprises ZCT and electronic type magnet ring; Described electronic type magnet ring is located at a side of electromagnetic system 8, and said ZCT links to each other with electronic circuit board through lead, when occurring leaking electricity or the person when touching live wire; The secondary side of ZCT just induces signal code; The electromagnetic force that the electronic type magnet ring produces electromagnetic system 8 overcomes the active force of reaction spring, and push rod promotes release lever 31, and free tripping mechanism is triped; Cut off current circuit, the protection person preserves from.L, N utmost point moving contact, the former realizes overload, short-circuit protection, the latter protects the person; And can realize simultaneous operation; When needing to break off, realize multipole synchronous disconnection through interconnected free tripping mechanism, thereby guaranteed circuit breaker and personal safety when at least one extremely middle generation fault.
Every technical staff's notice: though the utility model is described according to above-mentioned embodiment; But the invention thought of the utility model is not limited in this utility model; The repacking of any utilization inventive concept all will be included in this patent scope of patent protection.

Claims (6)

1. a width is 18 millimeters a small-sized RCCB; Comprise base, top cover, mesochite, handle (1), tripping (2), snap close (3), release lever (31), lever (4), bimetal leaf (7), electromagnetic system (8) and leakage protection system; Described leakage protection system comprises ZCT and electronic type magnet ring; Described electronic type magnet ring is located at a side of electromagnetic system (8); Described tripping (2) and snap close (3) are suitable and all be hinged with lever (4), and it is characterized in that: the both sides of said lever (4) are respectively equipped with L utmost point contact supporting (5) and N utmost point contact supporting, and described snap close (3) is provided with projection (302); Described release lever (31) links to each other with projection (302) with L utmost point contact supporting (5) successively; Described L utmost point contact supporting (5) is connected through universal driving shaft (9) with N utmost point contact supporting, and described lever (4) is provided with spring (42) and links to each other with universal driving shaft (9), is equipped with storage tank (501) on described L utmost point contact supporting (5) and the N utmost point contact supporting; Be provided with corresponding moving contact (6) in the described storage tank (501), described mesochite is provided with and the corresponding fixed contact of moving contact (6).
2. width according to claim 1 is 18 millimeters a small-sized RCCB, it is characterized in that described lever (4) is provided with lever shaft (41), and described L utmost point contact supporting (5) and N utmost point contact supporting are with being located in lever (4) both sides.
3. width according to claim 1 and 2 is 18 millimeters a small-sized RCCB, it is characterized in that described L utmost point contact supporting (5) is identical with the structure of N utmost point contact supporting.
4. width according to claim 1 is 18 millimeters a small-sized RCCB, it is characterized in that described snap close (3) is provided with gap slot (301), and described projection (302) is located in the gap slot (301).
5. width according to claim 1 is 18 millimeters a small-sized RCCB, it is characterized in that described handle (1) is provided with handle attachment (11), and the glide end (111) that said handle attachment (11) is provided with is suitable with the gliding slot that base is provided with.
6. width according to claim 1 is 18 millimeters a small-sized RCCB, it is characterized in that being provided with bimetallic partition (71) between described bimetal leaf (7) and L utmost point moving contact (6).
CN2011203347519U 2011-09-07 2011-09-07 Small electricity leakage circuit breaker with width of 18mm Expired - Lifetime CN202259078U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203347519U CN202259078U (en) 2011-09-07 2011-09-07 Small electricity leakage circuit breaker with width of 18mm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203347519U CN202259078U (en) 2011-09-07 2011-09-07 Small electricity leakage circuit breaker with width of 18mm

Publications (1)

Publication Number Publication Date
CN202259078U true CN202259078U (en) 2012-05-30

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ID=46120281

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203347519U Expired - Lifetime CN202259078U (en) 2011-09-07 2011-09-07 Small electricity leakage circuit breaker with width of 18mm

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103065885A (en) * 2013-01-24 2013-04-24 浙江天正电气股份有限公司 Novel earth leakage circuit breaker
WO2013185421A1 (en) * 2012-06-15 2013-12-19 浙江鼎威科技有限公司 Dual-mechanism 1p+n earth leakage circuit breaker
CN107146745A (en) * 2016-03-01 2017-09-08 浙江正泰电器股份有限公司 Electronic type residual current circuit breaker

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013185421A1 (en) * 2012-06-15 2013-12-19 浙江鼎威科技有限公司 Dual-mechanism 1p+n earth leakage circuit breaker
CN103065885A (en) * 2013-01-24 2013-04-24 浙江天正电气股份有限公司 Novel earth leakage circuit breaker
CN103065885B (en) * 2013-01-24 2015-06-03 浙江天正电气股份有限公司 Novel earth leakage circuit breaker
CN107146745A (en) * 2016-03-01 2017-09-08 浙江正泰电器股份有限公司 Electronic type residual current circuit breaker
CN107146745B (en) * 2016-03-01 2020-02-18 浙江正泰电器股份有限公司 Electronic leakage circuit breaker

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Assignee: Shanghai Chaoan Electrical Co., Ltd.

Assignor: Zhejiang Gacia Electrical Appliances Co., Ltd.

Contract record no.: 2012330000250

Denomination of utility model: Small electricity leakage circuit breaker with width of 18mm

Granted publication date: 20120530

License type: Exclusive License

Record date: 20120509

Assignee: Shanghai Chaoan Electrical Co., Ltd.

Assignor: Zhejiang Gacia Electrical Appliances Co., Ltd.

Contract record no.: 2012330000250

Denomination of utility model: Small electricity leakage circuit breaker with width of 18mm

Granted publication date: 20120530

License type: Exclusive License

Record date: 20120509

C56 Change in the name or address of the patentee

Owner name: GACIA ELECTRICAL APPLIANCE CO., LTD.

Free format text: FORMER NAME: ZHEJIANG GACIA ELECTRICAL APPLIANCES CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545

Patentee after: GACIA ELECTRICAL APPLIANCE CO., LTD.

Address before: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545

Patentee before: Zhejiang Gacia Electrical Appliances Co., Ltd.

Address after: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545

Patentee after: GACIA ELECTRICAL APPLIANCE CO., LTD.

Address before: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545

Patentee before: Zhejiang Gacia Electrical Appliances Co., Ltd.

C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545

Patentee after: Garcia electronic appliance Limited by Share Ltd

Address before: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545

Patentee before: GACIA ELECTRICAL APPLIANCE CO., LTD.

Address after: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545

Patentee after: Garcia electronic appliance Limited by Share Ltd

Address before: Yueqing East Street North Baixiang Town Industrial Zone 325603 Bai TA Wang Zhejiang province Wenzhou City No. 545

Patentee before: GACIA ELECTRICAL APPLIANCE CO., LTD.

CX01 Expiry of patent term

Granted publication date: 20120530