CN204480977U - There is the breaker of plastic casing of overload-alarm non-tripping function - Google Patents

There is the breaker of plastic casing of overload-alarm non-tripping function Download PDF

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Publication number
CN204480977U
CN204480977U CN201520241707.1U CN201520241707U CN204480977U CN 204480977 U CN204480977 U CN 204480977U CN 201520241707 U CN201520241707 U CN 201520241707U CN 204480977 U CN204480977 U CN 204480977U
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China
Prior art keywords
push rod
overload
alarm
rotatable push
trigger
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Active
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CN201520241707.1U
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Chinese (zh)
Inventor
杨新文
廖水国
陈前中
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Zhejiang People Electrical Appliance Co Ltd
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Zhejiang People Electrical Appliance Co Ltd
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Abstract

The utility model discloses a kind of breaker of plastic casing with overload-alarm non-tripping function, it comprises overload-alarm non-tripping device and draw bar; Overload-alarm non-tripping device comprises thermal tripping mechanism, sensitive switch, rotatable push rod and the reduction torsion spring with bimetal leaf, sensitive switch is connected with warning circuit, bimetal leaf top is fixed with trigger member, trigger member promotes rotatable push rod and rotates and trigger sensitive switch and close after bimetal leaf heated bending, and then connects warning circuit send alarm signal; Rotatable push rod and draw bar divide the heteropleural occuping bimetal leaf, and trigger member bends towards rotatable push rod direction and is provided with the hook be connected with rotatable push rod at its trigger end, the triggering boss on rotatable push rod and the shell fragment on sensitive switch inconsistent.Of the present utility model rational in infrastructure, there is overload-alarm non-tripping function, and report to the police in time, thus make user have comparatively plenty of time to carry out line maintenance, there is good result of use.

Description

There is the breaker of plastic casing of overload-alarm non-tripping function
Technical field
The utility model relates to and a kind ofly has overload-alarm and the breaker of plastic casing of non-tripping function, belongs to breaker of plastic casing field of structural design.
Background technology
At present; circuit breaker is existing on-off action; automatically under-voltage, decompression, overload and short-circuit protection electrical equipment can be carried out again; can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for they; but circuit breaker needs to have overload-alarm non-tripping function when some special occasions uses in a particular application, during really to occur overload current in guarantor's circuit, alarm signal can be provided; do not allow circuit breaker trip simultaneously, keep circuit continued power.The breaker of plastic casing also Shortcomings with the de-tripping function of overload-alarm on existing market, as reported to the police, the problem such as not in time also needs perfect.
Utility model content
The purpose of this utility model is to provide one and has overload-alarm non-tripping function, and breaker of plastic casing timely of reporting to the police.
The technical scheme realizing the utility model object is:
Have a breaker of plastic casing for overload-alarm non-tripping function, it comprises overload-alarm non-tripping device and draw bar; Described overload-alarm non-tripping device comprises thermal tripping mechanism, sensitive switch, the rotatable push rod with bimetal leaf and provides the reduction torsion spring of returning elastic for described rotatable push rod, described sensitive switch is connected with warning circuit, described bimetal leaf top is fixed with trigger member, described trigger member promotes described rotatable push rod and rotates and trigger described sensitive switch and close after described bimetal leaf heated bending, and then connects warning circuit and send alarm signal;
Described rotatable push rod and described draw bar divide the heteropleural occuping described bimetal leaf, and described trigger member bends towards described rotatable push rod direction and is provided with the hook be connected with described rotatable push rod at its trigger end, the triggering boss on described rotatable push rod and the shell fragment on described sensitive switch inconsistent.
In technique scheme, described sensitive switch is fixed by screws on circuit breaker cover cap, and described circuit breaker cover cap is provided with the adjustment hole regulating described sensitive switch and described rotatable push rod spacing.
In technique scheme, described adjustment hole is long kidney-shaped hole.
In technique scheme, described rotatable push rod provides fixed support by described circuit breaker cover cap.
The utility model has positive effect: the principle that breaker of plastic casing of the present utility model utilizes the heating of bimetal leaf bending, by rotatable push rod, sensitive switch is closed, connect warning circuit, draw bar action can't be promoted in the process, thus can guarantee that breaker of plastic casing can not be threaded off while overload-alarm, then realize overload non-tripping function; In addition, described rotatable push rod and draw bar are located at respectively the both sides of described bimetal leaf, bimetal leaf is heated bending towards draw bar direction, rotatable push rod is pulled to rotate in time by the hook in trigger member, and then the triggering boss inconsistent with shell fragment on sensitive switch triggers, and sensitive switch is closed connects warning circuit, a series of linkage action is timely, thus can guarantee to send alarm signal in time when overload appears in operating circuit, make user have comparatively plenty of time to carry out line maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of overload-alarm non-tripping device in breaker of plastic casing of the present utility model.
Reference numeral shown in figure is: 1-bimetal leaf; 2-thermal tripping mechanism; The rotatable push rod of 3-; 31-triggers boss; 4-sensitive switch; 5-trigger member; 51-links up with; 6-reduction torsion spring; 7-draw bar.
Embodiment
Do to illustrate below in conjunction with the structure of Figure of description to breaker of plastic casing of the present utility model:
Have a breaker of plastic casing for overload-alarm non-tripping function, as shown in Figure 1, it comprises overload-alarm non-tripping device and draw bar 7; Described overload-alarm non-tripping device comprises thermal tripping mechanism 2, sensitive switch 4, the rotatable push rod 3 with bimetal leaf 1 and provides the reduction torsion spring 6 of returning elastic for described rotatable push rod 3, described sensitive switch 4 is connected with warning circuit, described bimetal leaf 1 top is fixed with trigger member 5, described trigger member 5 promotes described rotatable push rod 3 and rotates and trigger described sensitive switch 4 and close after described bimetal leaf 1 heated bending, and then connects warning circuit and send alarm signal; Described rotatable push rod 3 and described draw bar 7 points occupy the heteropleural of described bimetal leaf 1, and described trigger member 5 bends towards described rotatable push rod 3 direction and is provided with the hook 51 be connected with described rotatable push rod 3 at its trigger end, the triggering boss 31 on described rotatable push rod 3 is inconsistent with the shell fragment on described sensitive switch 4.The principle that breaker of plastic casing of the present utility model utilizes the heating of bimetal leaf 1 bending, by rotatable push rod 3, sensitive switch is closed, connect warning circuit, draw bar 7 action can't be promoted in the process, thus can guarantee that breaker of plastic casing can not be threaded off while overload-alarm, then realize overload non-tripping function; In addition, in the utility model, described rotatable push rod 3 and draw bar 7 are located at respectively the both sides of described bimetal leaf 1, bimetal leaf 1 is heated bending towards draw bar 7 direction, rotatable push rod 3 is pulled to rotate in time by the hook 51 in trigger member 5, and then the triggering boss 31 inconsistent with shell fragment on sensitive switch 4 triggers, and sensitive switch 4 is closed connects warning circuit, a series of linkage action is timely, thus can guarantee to send alarm signal in time when overload appears in operating circuit, make user have comparatively plenty of time to carry out line maintenance.Further, described trigger member 5 in the present embodiment adopts removably (as screw is fixed) to be fixed on bimetal leaf 1, so, in practical operation, when this circuit breaker being used in other no special occasion, trigger member 5 is pulled down, like this when overload appears in working line, to draw bar 7 direction, the bending draw bar 7 that triggers performs trip action and described rotatable push rod 3 can not be driven to rotate bimetal leaf 1, thus can realize circuit breaker overlond trip function.
In the present embodiment, described sensitive switch 4 is fixed by screws on circuit breaker cover cap, described circuit breaker cover cap is provided with and regulates described sensitive switch 4 and the adjustment hole of described rotatable push rod 3 spacing, arranges like this and can be conducive to regulating the spacing between described sensitive switch 4 and described rotatable push rod 3; In the present embodiment, described adjustment hole is long kidney-shaped hole, and in practical operation, described adjustment hole also can be multiple spaced circular hole.
In the present embodiment, described rotatable push rod 3 provides fixed support by described circuit breaker cover cap, and namely described rotatable push rod 3 is arranged on circuit breaker cover cap, is beneficial to assembly manipulation; At this by rotatable push rod 3 and draw bar 7 being located at respectively the both sides of bimetal leaf 1, after opening circuit breaker cover cap, then do not affect by rotatable push rod 3 when dismantling trigger member 5, operating space is large, more convenient to operate.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to connotation of the present utility model the apparent change of extending out or variation still belong to protection range of the present utility model.

Claims (4)

1. have a breaker of plastic casing for overload-alarm non-tripping function, it comprises overload-alarm non-tripping device and draw bar (7), it is characterized in that: described overload-alarm non-tripping device comprises the thermal tripping mechanism (2) with bimetal leaf (1), sensitive switch (4), rotatable push rod (3) and provide the reduction torsion spring (6) of returning elastic for described rotatable push rod (3), described sensitive switch (4) is connected with warning circuit, described bimetal leaf (1) top is fixed with trigger member (5), described trigger member (5) promote after described bimetal leaf (1) heated bending described rotatable push rod (3) rotate and trigger described sensitive switch (4) close, and then connect warning circuit and send alarm signal,
Described rotatable push rod (3) and described draw bar (7) point occupy the heteropleural of described bimetal leaf (1), and described trigger member (5) bends towards described rotatable push rod (3) direction and is provided with the hook (51) be connected with described rotatable push rod (3) at its trigger end, and the triggering boss (31) on described rotatable push rod (3) is inconsistent with the shell fragment on described sensitive switch (4).
2. the breaker of plastic casing with overload-alarm non-tripping function according to claim 1, it is characterized in that: described sensitive switch (4) is fixed by screws on circuit breaker cover cap, described circuit breaker cover cap is provided with the adjustment hole regulating described sensitive switch (4) and described rotatable push rod (3) spacing.
3. the breaker of plastic casing with overload-alarm non-tripping function according to claim 2, is characterized in that: described adjustment hole is long kidney-shaped hole.
4. the breaker of plastic casing with overload-alarm non-tripping function according to claim 1, is characterized in that: described rotatable push rod (3) provides fixed support by described circuit breaker cover cap.
CN201520241707.1U 2015-04-20 2015-04-20 There is the breaker of plastic casing of overload-alarm non-tripping function Active CN204480977U (en)

Priority Applications (1)

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CN201520241707.1U CN204480977U (en) 2015-04-20 2015-04-20 There is the breaker of plastic casing of overload-alarm non-tripping function

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107154325A (en) * 2016-03-02 2017-09-12 浙江正泰电器股份有限公司 The overload-alarm non-tripping device of breaker
CN110558854A (en) * 2019-07-30 2019-12-13 李技献 Alarm device, lid and cooking utensil

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107154325A (en) * 2016-03-02 2017-09-12 浙江正泰电器股份有限公司 The overload-alarm non-tripping device of breaker
CN107154325B (en) * 2016-03-02 2020-06-30 浙江正泰电器股份有限公司 Overload alarm non-tripping device of circuit breaker
CN110558854A (en) * 2019-07-30 2019-12-13 李技献 Alarm device, lid and cooking utensil

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