CN205335193U - Hot not trip gear that reports to police that transships of circuit breaker - Google Patents

Hot not trip gear that reports to police that transships of circuit breaker Download PDF

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Publication number
CN205335193U
CN205335193U CN201521031202.9U CN201521031202U CN205335193U CN 205335193 U CN205335193 U CN 205335193U CN 201521031202 U CN201521031202 U CN 201521031202U CN 205335193 U CN205335193 U CN 205335193U
Authority
CN
China
Prior art keywords
draw bar
support
chopper
tripping
alarm
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Withdrawn - After Issue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
CN201521031202.9U
Other languages
Chinese (zh)
Inventor
黎佳财
付居典
江华华
郭德鑫
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.)
Zhejiang Chint Electrics Co Ltd
Original Assignee
Zhejiang Chint Electrics 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 Zhejiang Chint Electrics Co Ltd filed Critical Zhejiang Chint Electrics Co Ltd
Priority to CN201521031202.9U priority Critical patent/CN205335193U/en
Application granted granted Critical
Publication of CN205335193U publication Critical patent/CN205335193U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a hot not trip gear that reports to police that transships of circuit breaker, including the base with set up the thermomagnetic system in the base, drive mechanism and alarm switch, drive mechanism set up between thermomagnetic system and alarm switch drive mechanism include the support and with level of support sliding fit's traction lever, when overload current in the system reaches the setting value, traction lever in the thermomagnetic system actuation transmission mechanism is to the orientation horizontal migration who deviates from the support, the traction lever triggers alarm switch and comes the alarm output signal to replace the action of threading off after removing the certain distance, the effectual circuit breaker shared space on the direction of height of having reduced, has the advantages of compact structure, save space and low in manufacturing cost's characteristics.

Description

The thermal overload alarm non-tripping device of chopper
Technical field
This utility model relates to Low Voltage Electrical Apparatus, particularly relates to a kind of chopper, particularly relates to a kind of thermal overload alarm non-tripping device。
Background technology
Chopper is the important component part of electrical equipment industry, has been obtained for being widely applied。When circuit is working properly, chopper can pass through to close or disconnect the circuit of supply electric energy, reaches the functions such as power failure, power supply and change-over circuit。When overload, decompression, the fault such as under-voltage or short-circuit occurs in circuit, chopper again can automatically by circuitry cuts, it is to avoid jeopardize the safety of staff and the properly functioning of equipment because of fault。When conventional hot type electrical apparatus release utilizes bimetal leaf overcurrent in systems to reach setting valve, because by thermogenetic deformation and then bending, completing dropout thereby through the drive mechanism in chopper makes chopper disconnect, although can ensure that the safety that circuit works, but can cause that system power supply is discontinuous, bring adverse influence to production and life。
Summary of the invention
The purpose of this utility model is in that to overcome the defect of prior art, it is provided that the thermal overload alarm non-tripping device of the chopper that a kind of simple in construction, reliability are high。
For achieving the above object, this utility model adopts the technical scheme that
A kind of thermal overload alarm non-tripping device of chopper, including pedestal 1 and the thermo-magnetic system 2, drive mechanism 3 and the alarm switch 4 that are arranged in pedestal 1, drive mechanism 3 is arranged between thermo-magnetic system 2 and alarm switch 4, drive mechanism 3 includes support 32 and the draw bar 31 being slidably matched with support 32 level, when the overcurrent in system reaches setting valve, draw bar 31 in thermo-magnetic system 2 drive transmission device 3 moves horizontally to the direction deviating from support 32, triggers alarm switch 4 carry out output alarm signal moving a certain distance rear haulage bar 31。
Optionally, described support 32 is being provided with the horizontal-extending axis of guide 321 towards the side of draw bar 31, draw bar 31 arranges the axis hole 311 matched with the axis of guide 321, being inserted in axis hole 311 to coordinate support draw bar 31 by being directed to axle 321, the direction horizontal reciprocating being only capable of along the axis of guide 321 extends with limit draw bar 31 slides。
Optionally, being provided with extended end 31a at draw bar 31 near the side of thermo-magnetic system 2, the other end at extended end 31a is vertically provided with driving plate 313, and the bimetal leaf 21 in thermo-magnetic system 2 is inserted between driving plate 313 and draw bar 31, and matches with driving plate 313。
Optionally, described draw bar 31 is being provided with the drag hook 314 extending and being folded to alarm switch 4 to support 32 on the side of support 32, and drag hook 314 moves a certain distance touching alarm switch 4 contact, inner side of its crook rear to close alarm switch 4 with draw bar 31。
Optionally, described drive mechanism 3 includes back-moving spring 33, back-moving spring 33 two ends are connected with draw bar 31 and support 32 respectively, thermo-magnetic system 2 drives draw bar 31 to deviate from support 32 when moving, back-moving spring 33 is stretched, after thermo-magnetic system 2 releases the effect to draw bar 31, back-moving spring 33 order about draw bar 31 return back to system normal time operating position。
Optionally, described draw bar 31 is overall in " bow " font, to the direction deviating from support 32, convex folding forms convex folding part 31b in intermediate portion, forms the first groove 31c at convex folding part 31b towards support 32 side, is provided with the axis hole 311 of support 32 at the two ends of the first groove 31c contained side。
Optionally, described support 32 middle part is provided with the boss 32a of convex folding, the described axis of guide 321 is arranged on the boss 32a side towards draw bar 31, boss 32a forms the second groove 32c on the side in draw bar 31 direction, back-moving spring 33 is arranged in the first groove 31c and the second groove 32c space formed, and two ends are connected with draw bar 31 and support 32 respectively。
Optionally, one end of described support 32 is folded in pedestal 1 and extends inwardly to form knuckle end 32b, which is provided with the hole 325 for installing alarm switch 4, the contact of alarm switch 4 faces away from the direction of draw bar 31, and its side is arranged on this knuckle end 32b by screw。
Optionally, the two ends of described support 32 are arranged with counterbore 324, and counterbore 324 matches with the base aperture 111 on the convex tendon 11 in pedestal 1, and support 32 is arranged on convex tendon 11 by screw by counterbore 324。
Optionally, described thermo-magnetic system 2 includes bimetal leaf 21, thermal element 22, gusset piece 23, armature bracket 24 and armature 25, thermal element 22 one end is connected with the contact apparatus of chopper, and the other end and gusset piece 23 weld together, and the other end of gusset piece 23 is connected with the termination of chopper;Armature bracket 24 is U-shape structure, bimetal leaf 21 and thermal element 22 are inserted in the U-shape structure of armature bracket 24, iron core 26 it is additionally provided with between armature bracket 24 and thermal element 22, bimetal leaf 21 is fixed by rivet 29 with thermal element 22, iron core 26, armature bracket 24, and the other end at bimetal leaf 21 is additionally provided with the adjustment screw 27 coordinated with drive mechanism 3;Armature 25 passes through the cooperation being arranged between the recess 24a on the convex tendon 25a of its both sides and armature bracket 24 both sides, it is rotatably mounted in armature bracket 24, being additionally provided with inside bending at the two ends of 24 liang of contained sides of armature bracket for limiting the bending part 24b of armature 25 anglec of rotation, reaction spring 28 is connected between armature 25 and armature bracket 24;When the overcurrent in system reaches setting valve, bimetal leaf 21 is heated generation bending by thermal element 21 and promotes drive mechanism 3 to report to the police, and when occurring short circuit in system, its rotation forces tripping mechanism that makes of iron core 26 adhesive armature 25 is threaded off。
The thermal overload alarm non-tripping device of chopper of the present utility model can send alarm signal when overcurrent occurs in circuit and not make chopper disconnect, thermal overload alarm non-tripping device is slided by the level of draw bar and realizes alarm signal output, effectively reduce chopper whole height, there is compact conformation, save the feature of space and low cost of manufacture。
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model thermal overload alarm non-tripping device;
Fig. 2 is the structural representation of this utility model draw bar;
Fig. 3 is the structural representation of this utility model support;
Fig. 4 is the structural representation of this utility model thermo-magnetic system;
Fig. 5 is the structural representation of this utility model pedestal。
Detailed description of the invention
Below in conjunction with the accompanying drawing 1-4 embodiment provided, further illustrate the detailed description of the invention of thermal overload alarm non-tripping device of the present utility model。Thermal overload alarm non-tripping device of the present utility model is not limited to the following description。
As Figure 1-3, chopper includes pedestal 1 and the thermo-magnetic system 2 being arranged in pedestal 1, drive mechanism 3, alarm switch 4, is provided with the convex tendon 11 of contact system for separating each pole in pedestal 1。Thermo-magnetic system 2 coordinates with drive mechanism 3, drive mechanism 3 is arranged between thermo-magnetic system 2 and alarm switch 4, drive mechanism 3 includes the support 32 being arranged on convex tendon 11 and the draw bar 31 being connected with support 32, the side deviating from support 32 at draw bar 31 is provided with extended end 31a, the other end at extended end 31a has also been vertically arranged driving plate 313 respectively, in thermo-magnetic system 2, one end of bimetal leaf 21 is inserted between driving plate 313 and draw bar 31, when the overcurrent in system reaches setting valve, thermo-magnetic system 2 bends and promotes draw bar 31 to deviate from support 32 in horizontal plane to driving plate 313 direction and slides, after slip certain distance, draw bar 31 can trigger alarm switch 4 and carry out the output of alarm signal。The present embodiment is three-pole breaker, is provided with three thermo-magnetic systems 2 in pedestal 1, and three thermo-magnetic systems 2 coordinate realization warning output with a draw bar 31, and this utility model is not limited to three-pole breaker, it is also possible to be single-stage or multipole circuit breaker。The thermal overload alarm non-tripping device of chopper of the present utility model is slided by the level of draw bar and realizes alarm signal output, is effectively reduced the overall space shared in the height direction of chopper。
As Figure 1-3, at support 32, two horizontal-extending axis of guides 321 are set towards the Side symmetrical of draw bar 31, draw bar 31 arranges the axis hole 311 matched with the axis of guide 321, being directed to axle 321 and be inserted in axis hole 311 matched, the direction of motion of draw bar 31 is also further limited to the bearing of trend of the axis of guide 321 by the axis of guide 321 while supporting draw bar 31。The cooperation of the axis of guide and axis hole realizes moving horizontally, the effect of installation, slip and guide and limit can be simultaneously worked as, common being slidably connected such as chute relative to other, the structure that the axis of guide 321 is inserted in axis hole 311 and coordinates is simpler, and production cost is relative moderate also。Being symmetrical arranged three extended end 31a at draw bar 31 near the side of bimetal leaf 21, the other end at extended end 31a respectively arranges again one and drives plate 313。Bimetal leaf 21 in thermo-magnetic system 2 is inserted between driving plate 313 and draw bar 31, when overcurrent does not reach setting valve in systems, between bimetal leaf 21 and driving plate 313, there is certain interval, when in system, overcurrent reaches setting valve, bimetal leaf 21, to driving plate 313 direction to bend and promote driving plate 313, drives draw bar 31 to move to the direction deviating from support 32 with this。Wherein, being inserted into by bimetal leaf 21 between driving plate 313 and draw bar 31, effectively save the space that the thermal overload alarm non-tripping device of this utility model chopper is shared in the horizontal direction, entirety is compacter。Simultaneously, it is additionally provided with a drag hook 314 for closing alarm switch 4 towards the side of support 32 at draw bar 31, drag hook 314 is in one end on the side of support 32 of draw bar 31, extend towards support 32 and from above through support 32, being folded to the alarm switch 4 being arranged on support 32 again, the contact being touched alarm switch 4 by the inner side of its crook of drag hook 314 closes alarm switch 4。In addition, a back-moving spring 33 it is additionally provided with between draw bar 31 and support 32, back-moving spring 33 is connected between draw bar 31 and support 32 respectively through the spring eye 312 on draw bar 31 and the spring eye 322 on support 32, when the overcurrent in system reaches setting valve, in thermo-magnetic system 2, bimetal leaf 21 bends and drives draw bar 31 to deviate from support 32 to move, now back-moving spring 33 is stretched, when in system, the overcurrent of setting valve disappears, bimetal leaf 21 in thermo-magnetic system 2 automatically returns to former duty because of the physical characteristic of itself, and draw bar 31 returns back to former duty due to the elastic-restoring force of back-moving spring 33。
It should be noted that, the present embodiment is by being arranged on inside drag hook 314 hook portion by alarm switch 4, can effectively reduce the spatial volume shared by thermal overload alarm non-tripping device of chopper in the present embodiment, the overall compact effect of overall structure can be reached, additionally can after the current vanishes of setting valve in systems, the characteristic by means of alarm switch 4 itself can also disconnect rapidly alarm switch 4 to release the output of alarm signal。Additionally, owing to being provided with the first groove 31c and the second groove 32c respectively on the body of rod of draw bar 31 and support 32, the space being sufficiently used for accommodating back-moving spring 33, the structure of the thermal overload alarm non-tripping device of further compact chopper of the present utility model can be reserved with support 32 when draw bar 31 coordinates。
Concrete, as in figure 2 it is shown, draw bar 31 is overall in " bow " font, to the direction deviating from support 32, convex folding forms convex folding part 31b in intermediate portion, form the first groove 31c at convex folding part 31b towards support 32 side, be provided with the axis hole 311 of support 32 at the two ends of the first groove 31c contained side。Wherein, orthogonal setting between draw bar 31 and extended end 31a thereon and driving plate 313, certainly as another embodiment, can also be other angle between draw bar 31 and extended end 31a thereon and driving plate 313。
Concrete, as shown in Figure 3, the centre of support 32 is provided with the boss 32a of a convex folding, the described axis of guide 321 is symmetricly set on the boss 32a side towards draw bar 31, boss 32a forms the second groove 32c on the side in draw bar 31 direction, back-moving spring 33 is arranged in the first groove 31c and the second groove 32c space formed, and two ends are connected with draw bar 31 and support 32 respectively。One end of support 32 is folded in pedestal 1 and extends inwardly to form knuckle end 32b, which is provided with the hole 325 for installing alarm switch 4, and the contact of alarm switch 4 faces away from the direction of draw bar 31, and its side is arranged on this knuckle end 32b by screw。Being arranged with counterbore 324 at the two ends of support 32, counterbore 324 matches with the base aperture 111 on the convex tendon 11 in pedestal 1, and support 32 is arranged on convex tendon 11 by screw by counterbore 324 simultaneously。The side deviating from draw bar 31 at boss 32a is provided with baffle plate 323。
As shown in Figure 4, described thermo-magnetic system 2 includes bimetal leaf 21, thermal element 22, gusset piece 23, armature bracket 24 and armature 25, thermal element 22 one end is connected with the contact apparatus of chopper, and the other end and gusset piece 23 weld together, and the other end of gusset piece 23 is connected with the termination of chopper;Armature bracket 24 is U-shape structure, bimetal leaf 21 and thermal element 22 are inserted in the U-shape structure of armature bracket 24, iron core 26 it is additionally provided with between armature bracket 24 and thermal element 22, bimetal leaf 21 is fixed by rivet 29 with thermal element 22, iron core 26, armature bracket 24, and the other end at bimetal leaf 21 is additionally provided with the adjustment screw 27 coordinated with drive mechanism 3;Armature 25 passes through the cooperation being arranged between the recess 24a on the convex tendon 25a of its both sides and armature bracket 24 both sides, it is rotatably mounted in armature bracket 24, being additionally provided with inside bending at the two ends of 24 liang of contained sides of armature bracket for limiting the bending part 24b of armature 25 anglec of rotation, reaction spring 28 is connected between armature 25 and armature bracket 24。When the overcurrent in system reaches setting valve, bimetal leaf 21 is heated generation bending by thermal element 21 and promotes drive mechanism 3 to report to the police, and when occurring short circuit in system, its rotation forces tripping mechanism that makes of iron core 26 adhesive armature 25 is threaded off。Corresponding after the current vanishes of setting valve, bimetal leaf 21 or armature 25 automatically return to system normal time operating position。The hole 27 coordinate with the hole 12 on pedestal 1 respectively through the hole 27 being arranged on thermal element 22, being arranged on gusset piece 23 coordinates with the hole 13 on pedestal 1, is fixed in pedestal 1 by thermo-magnetic system 2 by screw。
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations。For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, protection domain of the present utility model all should be considered as belonging to。

Claims (10)

1. the thermal overload alarm non-tripping device of a chopper, including pedestal (1) and the thermo-magnetic system (2) that is arranged in pedestal (1), drive mechanism (3) and alarm switch (4), drive mechanism (3) is arranged between thermo-magnetic system (2) and alarm switch (4), it is characterized in that: drive mechanism (3) includes support (32) and the draw bar (31) being slidably matched with support (32) level, when the overcurrent in system reaches setting valve, draw bar (31) in thermo-magnetic system (2) drive transmission device (3) moves horizontally to the direction deviating from support (32), output alarm signal is carried out moving a certain distance rear haulage bar (31) triggering alarm switch (4)。
2. the thermal overload alarm non-tripping device of chopper according to claim 1, it is characterized in that: described support (32) is being provided with the horizontal-extending axis of guide (321) towards the side of draw bar (31), the axis hole (311) matched with the axis of guide (321) is above set at draw bar (31), being inserted in axis hole (311) to coordinate support draw bar (31) by being directed to axle (321), the direction horizontal reciprocating being only capable of along the axis of guide (321) extends with limit draw bar (31) slides。
3. the thermal overload alarm non-tripping device of chopper according to claim 1, it is characterized in that: be provided with extended end (31a) at draw bar (31) near the side of thermo-magnetic system (2), the other end at extended end (31a) is vertically provided with driving plate (313), bimetal leaf (21) in thermo-magnetic system (2) is inserted between driving plate (313) and draw bar (31), and matches with driving plate (313)。
4. the thermal overload alarm non-tripping device of chopper according to claim 1, it is characterized in that: described draw bar (31) extends being provided with on the side of support (32) to support (32) and be folded to the drag hook (314) of alarm switch (4), drag hook (314) moves a certain distance touching alarm switch (4) contact, inner side of its crook rear to close alarm switch (4) with draw bar (31)。
5. the thermal overload alarm non-tripping device of chopper according to claim 1, it is characterized in that: described drive mechanism (3) includes back-moving spring (33), back-moving spring (33) two ends are connected with draw bar (31) and support (32) respectively, when thermo-magnetic system (2) drives draw bar (31) to deviate from support (32) motion, back-moving spring (33) is stretched, when after the effect that thermo-magnetic system (2) releases draw bar (31), back-moving spring (33) order about draw bar (31) return back to system normal time operating position。
6. the thermal overload alarm non-tripping device of chopper according to claim 2, it is characterized in that: described draw bar (31) is overall in " bow " font, to the direction deviating from support (32), convex folding forms convex folding part (31b) in intermediate portion, form the first groove (31c) at convex folding part (31b) towards support (32) side, be provided with the axis hole (311) of support (32) at the two ends of the first groove (31c) contained side。
7. the thermal overload alarm non-tripping device of chopper according to claim 6, it is characterized in that: described support (32) middle part is provided with the boss (32a) of convex folding, the described axis of guide (321) is arranged on the boss (32a) side towards draw bar (31), boss (32a) forms the second groove (32c) on the side in draw bar (31) direction, in the space that back-moving spring (33) is arranged on the first groove (31c) and the second groove (32c) is formed, two ends are connected with draw bar (31) and support (32) respectively。
8. the thermal overload alarm non-tripping device of chopper according to claim 1, it is characterized in that: one end of described support (32) is folded in pedestal (1) and extends inwardly to form knuckle end (32b), which is provided with the hole (325) for installing alarm switch (4), the contact of alarm switch (4) faces away from the direction of draw bar (31), and its side is arranged on this knuckle end (32b) by screw。
9. the thermal overload alarm non-tripping device of chopper according to claim 1, it is characterized in that: the two ends of described support (32) are arranged with counterbore (324), counterbore (324) matches with the base aperture (111) on the convex tendon (11) in pedestal (1), and support (32) is arranged on convex tendon (11) by screw by counterbore (324)。
10. the thermal overload alarm non-tripping device of chopper according to claim 1, it is characterized in that: described thermo-magnetic system (2) includes bimetal leaf (21), thermal element (22), gusset piece (23), armature bracket (24) and armature (25), thermal element (22) one end is connected with the contact apparatus of chopper, the other end and gusset piece (23) weld together, and the other end of gusset piece (23) is connected with the termination of chopper;Armature bracket (24) is U-shape structure, bimetal leaf (21) and thermal element (22) are inserted in the U-shape structure of armature bracket (24), iron core (26) it is additionally provided with between armature bracket (24) and thermal element (22), bimetal leaf (21) is fixed by rivet (29) with thermal element (22), iron core (26), armature bracket (24), and the other end at bimetal leaf (21) is additionally provided with the adjustment screw (27) coordinated with drive mechanism (3);Armature (25) passes through the cooperation being arranged between the recess (24a) on the convex tendon (25a) of its both sides and armature bracket (24) both sides, it is rotatably mounted in armature bracket (24), being additionally provided with inside bending at the two ends of armature bracket (24) two contained side for limiting the bending part (24b) of armature (25) anglec of rotation, reaction spring (28) is connected between armature (25) and armature bracket (24);When the overcurrent in system reaches setting valve, bimetal leaf (21) is produced bending by thermal element (21) heating and promotes drive mechanism (3) to report to the police, when occurring short circuit in system, its rotation forces tripping mechanism that makes of iron core (26) adhesive armature (25) is threaded off。
CN201521031202.9U 2015-12-14 2015-12-14 Hot not trip gear that reports to police that transships of circuit breaker Withdrawn - After Issue CN205335193U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521031202.9U CN205335193U (en) 2015-12-14 2015-12-14 Hot not trip gear that reports to police that transships of circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521031202.9U CN205335193U (en) 2015-12-14 2015-12-14 Hot not trip gear that reports to police that transships of circuit breaker

Publications (1)

Publication Number Publication Date
CN205335193U true CN205335193U (en) 2016-06-22

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CN201521031202.9U Withdrawn - After Issue CN205335193U (en) 2015-12-14 2015-12-14 Hot not trip gear that reports to police that transships of circuit breaker

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106876220A (en) * 2015-12-14 2017-06-20 浙江正泰电器股份有限公司 The thermal overload alarm non-tripping device of breaker
CN108257826A (en) * 2018-02-05 2018-07-06 德力西电气有限公司 It is a kind of that there is the breaker of plastic casing of overload-alarm
CN110558854A (en) * 2019-07-30 2019-12-13 李技献 Alarm device, lid and cooking utensil

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106876220A (en) * 2015-12-14 2017-06-20 浙江正泰电器股份有限公司 The thermal overload alarm non-tripping device of breaker
CN106876220B (en) * 2015-12-14 2020-02-18 浙江正泰电器股份有限公司 Thermal overload alarm non-tripping device of circuit breaker
CN108257826A (en) * 2018-02-05 2018-07-06 德力西电气有限公司 It is a kind of that there is the breaker of plastic casing of overload-alarm
CN110558854A (en) * 2019-07-30 2019-12-13 李技献 Alarm device, lid and cooking utensil

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GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20160622

Effective date of abandoning: 20200218