CN204834547U - Multi -functional residual current moves circuit breaker - Google Patents

Multi -functional residual current moves circuit breaker Download PDF

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Publication number
CN204834547U
CN204834547U CN201520165846.0U CN201520165846U CN204834547U CN 204834547 U CN204834547 U CN 204834547U CN 201520165846 U CN201520165846 U CN 201520165846U CN 204834547 U CN204834547 U CN 204834547U
Authority
CN
China
Prior art keywords
contact
convergence
moving contact
locking
bar
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 - Fee Related
Application number
CN201520165846.0U
Other languages
Chinese (zh)
Inventor
胡建东
李建琴
丁立兵
刘敏
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.)
SHANGMIN ELECTRIC GROUP CO Ltd
Original Assignee
SHANGMIN ELECTRIC GROUP 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
Application filed by SHANGMIN ELECTRIC GROUP CO Ltd filed Critical SHANGMIN ELECTRIC GROUP CO Ltd
Priority to CN201520165846.0U priority Critical patent/CN204834547U/en
Application granted granted Critical
Publication of CN204834547U publication Critical patent/CN204834547U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a multi -functional residual current moves circuit breaker, its characterized in that: which comprises a housin, binding post, the voltage acquisition mutual -inductor, the mutual -inductor is gathered to the electric current, zero sequence current transformer and electronic type protection device, electronic type protection device includes operating handle and moving contact, operating handle and transmission linkage linkage cooperation for the moving contact, the moving contact includes connecting portion and contact portion, the head of these connecting portion is the arc form, the head of these connecting portion is provided with the connecting hole, this connecting hole constitutes articulated department, this articulated department is fixed in in the casing through the pin, be provided with the contact arch in this contact portion, be provided with a plurality of recess in this contact arch, the utility model discloses lie in: the moving contact sets up solitary articulated district swing joint and on the casing, is provided with the contact arch in the contact portion, connects more stably, has guaranteed that the bellied contact performance of contact is stable, has guaranteed that multi -functional residual current moves circuit breaker finally can normal operating.

Description

A kind of multifunction residual current action breaker
Technical field
The utility model relates to circuit breaker, refers to a kind of multifunction residual current action breaker especially.
Background technology
Electric current action breaker is applicable to exchange 50Hz or 60Hz; rated voltage one pole two line; the two poles of the earth 230V; three grades/tri-grade four line; level Four 400V, rated current in the circuit of 800A, when the person get an electric shock or electrical network leakage current exceed setting time; residual current action breaker can within the extremely short time rapid disengagement failure power supply, the protection person and the safety of power consumption equipment.And the moving contact in existing residual current action breaker is connected instability with fixed contact, often can cause loose contact, makes residual current action breaker lose efficacy.And locking-bar in existing residual current action breaker and intraware action insensitive, Reliability of Microprocessor is lower, can not the break-make of realizing circuit in time.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of moving contact and fixed contact stable connection and operates intraware and to be active in one's movements the more much higher function residual current action breaker of Reliability of Microprocessor.
The technical solution of the utility model is achieved in that a kind of multifunction residual current action breaker, it is characterized in that: comprise housing, binding post, voltage acquisition instrument transformer, current acquisition instrument transformer, zero sequence current mutual inductor and electronic protecting device, described voltage acquisition instrument transformer, current acquisition instrument transformer, zero sequence current mutual inductor and electronic protecting device are all arranged in housing, described electronic protecting device comprises operating grip, release lever, locking-bar, release link, permanent magnet releaser, kinematic link and moving contact, described operating grip and moving contact kinematic link are linked, one end of described release lever and the one end fits of locking-bar, the other end of release lever coordinates with moving contact, described locking-bar and release link are coaxially equipped with, one end of this release link is between the other end and the push rod external part of permanent magnet releaser of locking-bar, push rod is provided with between the other end of this release link and moving contact, described moving contact comprises connecting portion and contact part, the curved shape of head of this connecting portion, the head of this connecting portion is provided with connecting hole, this connecting hole forms hinged place, this hinged place is fixed in housing by pin, this contact part is provided with contact projection, this contact projection is provided with several grooves, described locking-bar comprises front portion, convergence part, connecting portion and rear portion, this anterior rounded shape, this toroidal is hollow, this convergence part is provided with projection, this projection is triangle, this projection is connected with release lever, this convergence part is also provided with groove, crotch is provided with between this front portion and convergence part, this connecting portion is provided with through hole, this rear portion is flat structure.
By adopting technique scheme, moving contact arranges independent hinged region and is movably connected on housing, contact part is provided with contact projection, connect more stable, ensure that the contact performance of contact projection is stablized, ensure that multifunction residual current action breaker finally can normally run, in contact projection, be provided with several grooves simultaneously, ensure that connection reduces contact area while more stable, reducing coefficient of friction, thus improve useful life, this structural design, very reasonable, reduce production cost, be easy to promote; This locking-bar structural design, adopts independent projection in order to limit the motion state of release lever, flexible operation, and energy is on-off circuit in time, and installation, convenient disassembly, its postmedian is flat structure, is convenient to the installation of locking-bar.
The utility model is set to further: described operating grip two side is provided with horizontal anti-slip veins on the surface, and this horizontal anti-slip veins is equidistantly arranged on the surface of operating grip two side.
By adopting technique scheme, just can achieve operator when operating grip, considerably increase coefficient of friction, convenient operation person is affectedly bashful handle, and makes the security performance of circuit breaker higher.
The utility model is set to further: also include quick inserting folder, this quick inserting folder is connected with binding post, and quick inserting clamps and is located at housing exterior walls, described quick inserting folder comprises base plate, the two ends of this base plate are respectively arranged with convergence part, the end of each convergence part is connected with clamping part, and the free end of two clamping parts forms contractile clamp port, and described base plate and the junction of convergence part are provided with arc connecting portion.
By adopting technique scheme, housing arranges quick inserting folder, can be connected with the line of outside fast, and wherein convergence part provides chucking power for clamping part, and the junction of convergence part and base plate is provided with groove, when effectively ensure that convergence part is stressed and break into two with one's hands, this groove is supplied to the larger reset force in convergence part, thus drives clamping part to shrink to clamp port, ensure that the inside chucking power of this clamp port when being subject to External Force Acting, and structure is simple, manufacturing cost is lower.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model embodiment structure schematic front view;
Fig. 2 is electronic protecting device structural representation in the utility model embodiment;
Fig. 3 is moving contact structure schematic diagram in the utility model embodiment;
Fig. 4 is locking-bar structural representation in the utility model embodiment;
Fig. 5 is quick inserting clamping structure schematic diagram in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As Figure 1-Figure 5, the utility model discloses a kind of multifunction residual current action breaker, in the utility model is specifically implemented, comprise housing, binding post, voltage acquisition instrument transformer 10, current acquisition instrument transformer 11, zero sequence current mutual inductor 12 and electronic protecting device, described voltage acquisition instrument transformer 10, current acquisition instrument transformer 11, zero sequence current mutual inductor 12 and electronic protecting device are all arranged in housing, described electronic protecting device comprises operating grip 1, release lever 5, locking-bar 9, release link 2, permanent magnet releaser 8, kinematic link 4 and moving contact 6, described operating grip 1 and moving contact 6 kinematic link 4 are linked, one end of described release lever 5 and the one end fits of locking-bar 9, the other end of release lever 5 coordinates with moving contact 6, described locking-bar 9 and release link 2 are coaxially equipped with, one end of this release link 2 is between the other end and the push rod external part of permanent magnet releaser 8 of locking-bar 9, push rod 3 is provided with between the other end of this release link 2 and moving contact 6, described moving contact 6 comprises connecting portion 61 and contact part 62, the curved shape of head of this connecting portion 61, the head of this connecting portion 61 is provided with connecting hole 611, this connecting hole 611 forms hinged place, this hinged place is fixed in housing by pin, this contact part 62 is provided with contact projection 621, this contact projection 621 is provided with several grooves 6211, described locking-bar 9 comprises anterior 91, convergence part 92, connecting portion 93 and rear portion 94, this anterior rounded shape 911, this toroidal 911 is hollow, this convergence part 92 is provided with projection 921, this projection 921 is triangle, this projection 921 is connected with release lever 9, this convergence part 92 is also provided with groove 922, crotch 923 is provided with between this front portion 91 and convergence part 92, this connecting portion 93 is provided with through hole 931, this rear portion 94 is in flat structure.
By adopting technique scheme, moving contact arranges independent hinged region and is movably connected on housing, contact part is provided with contact projection, connect more stable, ensure that the contact performance of contact projection is stablized, ensure that multifunction residual current action breaker finally can normally run, in contact projection, be provided with several grooves simultaneously, ensure that connection reduces contact area while more stable, reducing coefficient of friction, thus improve useful life, this structural design, very reasonable, reduce production cost, be easy to promote; This locking-bar structural design, adopts independent projection in order to limit the motion state of release lever, flexible operation, and energy is on-off circuit in time, and installation, convenient disassembly, its postmedian is flat structure, is convenient to the installation of locking-bar.
In the utility model is specifically implemented, described operating grip 1 two side is provided with horizontal anti-slip veins on the surface, and this horizontal anti-slip veins is equidistantly arranged on the surface of operating grip two side.
By adopting technique scheme, just can achieve operator when operating grip, considerably increase coefficient of friction, convenient operation person is affectedly bashful handle, and makes the security performance of circuit breaker higher.
In the utility model is specifically implemented, also include quick inserting folder 12, this quick inserting folder 12 is connected with binding post, and quick inserting folder 12 is embedded at housing 8 outer wall, described quick inserting folder 12 comprises base plate 121, and the two ends of this base plate 121 are respectively arranged with convergence part 123, and the end of each convergence part 123 is connected with clamping part 124, the free end of two clamping parts 124 forms contractile clamp port 125, and described base plate 121 is provided with arc connecting portion 122 with the junction of convergence part 123.
By adopting technique scheme, housing arranges quick inserting folder, can be connected with the line of outside fast, and wherein convergence part provides chucking power for clamping part, and the junction of convergence part and base plate is provided with groove, when effectively ensure that convergence part is stressed and break into two with one's hands, this groove is supplied to the larger reset force in convergence part, thus drives clamping part to shrink to clamp port, ensure that the inside chucking power of this clamp port when being subject to External Force Acting, and structure is simple, manufacturing cost is lower.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.

Claims (3)

1. a multifunction residual current action breaker, it is characterized in that: comprise housing, binding post, voltage acquisition instrument transformer, current acquisition instrument transformer, zero sequence current mutual inductor and electronic protecting device, described voltage acquisition instrument transformer, current acquisition instrument transformer, zero sequence current mutual inductor and electronic protecting device are all arranged in housing, described electronic protecting device comprises operating grip, release lever, locking-bar, release link, permanent magnet releaser, kinematic link and moving contact, described operating grip and moving contact kinematic link are linked, one end of described release lever and the one end fits of locking-bar, the other end of release lever coordinates with moving contact, described locking-bar and release link are coaxially equipped with, one end of this release link is between the other end and the push rod external part of permanent magnet releaser of locking-bar, push rod is provided with between the other end of this release link and moving contact, described moving contact comprises connecting portion and contact part, the curved shape of head of this connecting portion, the head of this connecting portion is provided with connecting hole, this connecting hole forms hinged place, this hinged place is fixed in housing by pin, this contact part is provided with contact projection, this contact projection is provided with several grooves, described locking-bar comprises front portion, convergence part, connecting portion and rear portion, this anterior rounded shape, this toroidal is hollow, this convergence part is provided with projection, this projection is triangle, this projection is connected with release lever, this convergence part is also provided with groove, crotch is provided with between this front portion and convergence part, this connecting portion is provided with through hole, this rear portion is flat structure.
2. a kind of multifunction residual current action breaker according to claim 1, it is characterized in that: described operating grip two side is provided with horizontal anti-slip veins on the surface, this horizontal anti-slip veins is equidistantly arranged on the surface of operating grip two side.
3. a kind of multifunction residual current action breaker according to claim 1 and 2, it is characterized in that: also include quick inserting folder, this quick inserting folder is connected with binding post, and quick inserting clamps and is located at housing exterior walls, described quick inserting folder comprises base plate, and the two ends of this base plate are respectively arranged with convergence part, and the end of each convergence part is connected with clamping part, the free end of two clamping parts forms contractile clamp port, and described base plate and the junction of convergence part are provided with arc connecting portion.
CN201520165846.0U 2015-03-24 2015-03-24 Multi -functional residual current moves circuit breaker Expired - Fee Related CN204834547U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520165846.0U CN204834547U (en) 2015-03-24 2015-03-24 Multi -functional residual current moves circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520165846.0U CN204834547U (en) 2015-03-24 2015-03-24 Multi -functional residual current moves circuit breaker

Publications (1)

Publication Number Publication Date
CN204834547U true CN204834547U (en) 2015-12-02

Family

ID=54692118

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520165846.0U Expired - Fee Related CN204834547U (en) 2015-03-24 2015-03-24 Multi -functional residual current moves circuit breaker

Country Status (1)

Country Link
CN (1) CN204834547U (en)

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Date Code Title Description
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: 20151202

Termination date: 20170324