CN206727034U - Overload protection breaker - Google Patents
Overload protection breaker Download PDFInfo
- Publication number
- CN206727034U CN206727034U CN201720003851.0U CN201720003851U CN206727034U CN 206727034 U CN206727034 U CN 206727034U CN 201720003851 U CN201720003851 U CN 201720003851U CN 206727034 U CN206727034 U CN 206727034U
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- CN
- China
- Prior art keywords
- bimetal leaf
- acquisition module
- signal acquisition
- overload protection
- supporting plate
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Abstract
A kind of overload protection breaker,It includes the binding post of housing and setting in the housing,Contact mechanism,Alert mechanism and operating mechanism,Alert mechanism includes bimetal leaf,It is arranged on the thermal element of bimetal leaf side,It is arranged on the signal acquisition module on bimetal leaf top and is arranged on the signal trigger module that bimetal leaf side coordinates with signal acquisition module,Bimetal leaf deformation can drive signal acquisition module to be moved to signal trigger module during overload,Signal acquisition module can export alarm signal after being contacted with signal trigger module,Signal trigger module includes being fixedly installed supporting plate in the housing and sets shell fragment on the supporting plate and set screw,By supporting plate and the setting of shell fragment on the supporting plate and set screw is set,Suitable distance is in during the cooperation that can adjust shell fragment and the microswitch of signal acquisition module,Reduce the performance issue caused by the error in production and assembling.
Description
Technical field
Low Voltage Electrical Apparatus is the utility model is related to, more particularly to a kind of overload protection breaker.
Background technology
Breaker is the important component of electrical equipment industry, has been obtained for being widely applied.When circuit is working properly,
Breaker can by closing or disconnecting the circuit of supply electric energy, come reach have a power failure, power supply and the function such as change-over circuit.Work as circuit
When there is overload, decompression, the under-voltage or failure such as short-circuit, breaker can be avoided because of fault automatically by circuitry cuts again
Jeopardize the safety of staff and the normal operation of equipment.Usual breaker can advise when occurring overloading or being short-circuit in circuit
Automatic shutoff circuit in the fixed time, the protection to electrical equipment is carried out with this, if but breaking in the important distribution line
Circuit is disconnected the often great economic loss of assembly by device automatically because occurring overloading in circuit, it is therefore desirable to which breaker is in electricity
Alarm is sent when being overloaded in road and substitutes automatic shutoff circuit, enables user as early as possible by the failture evacuation in circuit, so that
The economic loss because caused by circuit disconnects suddenly is avoided, existing overload-alarm non-tripping breaker is to parts coherence request
Height, production efficiency are relatively low.
The content of the invention
A kind of the defects of the purpose of this utility model is to overcome prior art, there is provided mistake simple in construction, reliability is high
Carry protective breaker.
To achieve the above object, the utility model employs following technical scheme：
A kind of overload protection breaker, it include housing 1 and set binding post 2 within the case 1, contact mechanism,
Alert mechanism 3 and operating mechanism 4, alert mechanism 3 include bimetal leaf 31, be arranged on the side of bimetal leaf 31 thermal element 34,
It is arranged on the signal acquisition module 32 on the top of bimetal leaf 31 and is arranged on the side of bimetal leaf 31 and signal acquisition module 32
The signal trigger module 33 of cooperation, during overload the deformation of bimetal leaf 31 can drive signal acquisition module 32 to signal trigger module 33
Motion, signal acquisition module 32 can export alarm signal after being contacted with signal trigger module 33, signal trigger module 33 includes solid
The fixed supporting plate 331 set within the case 1 and the shell fragment 332 and set screw 333 that are arranged in supporting plate 331, shell fragment 332
Coordinate triggering end including being fixed on the upper fixing end 332a of supporting plate 331 and another and microswitch of signal acquisition module 32 322
332b, set screw 333 coordinates with the screw thread of supporting plate 331, and end is against in the side wall of shell fragment 332.
Optionally, the supporting plate 331 is " L " character form structure, and its one end is fixed with housing 1, and the other end is to signal acquisition
The side of module 32 extends, and fixed plate 331a is provided with supporting plate 331, and one end of shell fragment 332 is connected with fixed plate 331a, and
Form preset clearance 331b between shell fragment 332, fixed plate 331a and supporting plate 331, the end of set screw 333 stretch into it is reserved between
Gap 331b offsets with shell fragment 332.
Optionally, the signal acquisition module 32 includes microswitch 322 and is arranged on bimetal leaf 31 and microswitch
Adapter sleeve 321 between 322.
Optionally, adapter sleeve 321 include be connected with bimetal leaf 31 mounting blocks 321a, for installing microswitch 322
Fixed block 321b and the connecting rod 321c that is connected between mounting blocks 321a and fixed block 321b, mounting blocks 321a bottom side end
Face is provided with the slot 321d for being used for the insertion of the end of bimetal leaf 31.
Optionally, the mounting blocks 321a one sides bottom is connected with connecting rod 321c, the connecting rod 321c other end and fixation
The top connection of block 321b one sides, mounting blocks 321a fixed blocks 321b are vertically arranged with connecting rod 231c respectively, microswitch 322
Fixed block 321b opposite side is arranged on, the trigger board of microswitch 322 is arranged on the side towards bimetal leaf.
Optionally, in addition to the electromagnetic mechanism 5 for short-circuit protection, electromagnetic mechanism 5 include the support 51 provided with iron core 52
With the armature 53 for being arranged on the side of iron core 52, iron core 52 is pivotally mounted within the case 1, and bimetal leaf 31 and thermal element 34 are arranged on
Between armature 53 and iron core 52.
Optionally, the thermal element 34 is " L " character form structure, and it includes the connecting portion 341 fixed with housing 1 and prolonged upwards
The heating part 342 stretched, the side of heating part 342 are heated for bimetal leaf 31, and the bottom of opposite side is with setting electromagnetism within the case 1
The iron core 52 of mechanism 5 is connected, and top is connected with the terminal plate 21 of binding post 2.
Optionally, the convex tendon 321e fixed to bimetal leaf 31 is provided with the slot 321d.
Optionally, the bimetal leaf 31 is trapezium structure, and the width of its one end coordinated with signal acquisition module 32 is small
In the width of the other end.
Optionally, the microswitch 322 is set is arranged on thermal element 34 close to binding post 2 by adapter sleeve 321
The side of terminal plate 21, adapter sleeve 321 are arranged on the top of thermal element 34 and support 51.
Signal acquisition module is connected by overload protection breaker of the present utility model with bimetal leaf, the direct band of bimetal leaf
Dynamic signal acquisition module is connected with signal trigger module, and signal trigger module is provided with the shell fragment coordinated with signal acquisition module, is led to
Cross supporting plate 331 and the shell fragment 332 being arranged in supporting plate 331 and the setting of set screw 333, shell fragment 332 can be adjusted
With being in suitable distance during the cooperation of the microswitch 322 of signal acquisition module 32, occur making signal acquisition during overload current
Module 32 can export alarm signal after predetermined distance is moved, it is possible to reduce caused by the error in production and assembling
Performance issue, the requirement to parts uniformity is reduced, improves reliability, additionally it is possible to improve the efficiency of production.In addition, pass through
The cooperation of alert mechanism and electromagnetic mechanism, not only cause breaker to realize short-circuit protection while overload protection, also there is knot
Structure is compact, the characteristics of being easy to produce and assembling.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model overload protection breaker；
Fig. 2 is the structural representation of the utility model alert mechanism；
Fig. 3 is the structural representation of the utility model signal trigger module；
Fig. 4 is the structural representation of the utility model signal acquisition module；
Fig. 5 is Fig. 2 exploded view.
Embodiment
The embodiment provided below in conjunction with accompanying drawing 1 to 5, further illustrate the tool of overload protection breaker of the present utility model
Body embodiment.Overload protection breaker of the present utility model is not limited to the following description.
As shown in figure 1, overload protection breaker of the present utility model includes housing 1 and is arranged on connecing for the both ends of housing 1
Line terminals 2, contact mechanism and alert mechanism 3 are additionally provided with housing, is provided with operating mechanism 4 above contact mechanism, breaker passes through
Binding post 2 is accessed in electric wiring, and signal an alert during overload current can occur in electric wiring in alert mechanism 3,
And it is non-shut-brake without trip operation, breaker, operating mechanism 4 makes breaker closing under the driving of handle by contact mechanism
Or separating brake.
As shown in Fig. 2 the alert mechanism 3 include deformation quantity vary with temperature bimetal leaf 31, be arranged on bimetallic
The thermal element 34 of the side of piece 31, the signal acquisition module 32 for being arranged on the top of bimetal leaf 31 and it is arranged on bimetal leaf 31 1
The signal trigger module 33 that side coordinates with signal acquisition module 32, one end and the thermal element 34 of bimetal leaf 31 are fixed, the other end
Fix with signal acquisition module 32, bimetal leaf 31 can be added when overload current occurs in electric wiring in thermal element 34
Heat, start deformation after the rise of the temperature of bimetal leaf 31 and drive signal acquisition module 32 to be moved to signal trigger module 33, work as temperature
After degree rise causes bimetal leaf 31 to produce enough deformation, signal acquisition module 32 can be defeated after being contacted with signal trigger module 33
Go out alarm signal.
With reference to shown in Fig. 3, the signal trigger module 33 includes the supporting plate 331 being fixedly installed within the case 1 and set
Shell fragment 332 and set screw 333 in supporting plate 331 are put, shell fragment 332 includes being fixed on the upper fixing end 332a of supporting plate 331
Coordinate triggering end 332b, set screw 333 and the screw thread of supporting plate 331 with the microswitch of signal acquisition module 32 322 with another
Coordinate, and end is against in the side wall between the fixing end 332a of shell fragment 332 and triggering end 332b, by reversing set screw
333 promote shell fragments 332 to adjust the distance between triggering end 332b and signal acquisition module 32 microswitch 322.
Further, the supporting plate 331 is " L " character form structure, and its one end is fixed with housing 1, and the other end is adopted to signal
Collect the extension of the side of module 32, fixed plate 331a, the fixing end 332a and fixed plate 331a of shell fragment 332 are provided with supporting plate 331
It is fixedly connected, and preset clearance 331b is formed between shell fragment 332, fixed plate 331a and supporting plate 331, set screw 333
End is stretched into preset clearance 331b and offseted with shell fragment 332, by preset clearance 331b setting, can realize that increasing adds deduct simultaneously
Few the distance between shell fragment 332 and signal acquisition module 32, also make it that shell fragment 332 and the cooperation of signal acquisition module 32 are more smart
Really, it is more reliable.
As shown in figure 4, the signal acquisition module 32 includes microswitch 322 and is arranged on bimetal leaf 31 and is opened with fine motion
The adapter sleeve 321 between 322 is closed, mounting blocks 321a that adapter sleeve 321 includes being connected with bimetal leaf 31, is opened for installing fine motion
The connecting rod 321c for closing 322 fixed block 321b and being connected between mounting blocks 321a and fixed block 321b, mounting blocks 321a's
Bottom side end face is provided with the slot 321d for being used for the insertion of the end of bimetal leaf 31, is provided with what bimetal leaf 31 was fixed in slot 321d
Convex tendon 321e, mounting blocks 321a one sides bottom are connected with connecting rod 321c, connecting rod the 321c other end and fixed block 321b sides
The top connection in face, mounting blocks 321a fixed blocks 321b are vertically arranged with connecting rod 231c respectively, and microswitch 322 is arranged on fixation
Block 321b opposite side, the trigger board of microswitch 322 are arranged on the side towards bimetal leaf 31, i.e. signal trigger mechanism 33
It is arranged between bimetal leaf and microswitch.The bimetal leaf 31 is trapezium structure, and it coordinates with signal acquisition module 32
One end width be less than the other end width.
A kind of embodiment with reference to shown in Fig. 2 and Fig. 5, the overload protection breaker are also included for short-circuit protection
Electromagnetic mechanism 5, alert mechanism 3 are arranged on electromagnetic mechanism 5.
Specifically, the electromagnetic mechanism 5 includes the support 51 provided with iron core 52 and is arranged on the armature 53 of the side of iron core 52,
Iron core 52 is pivotally mounted within the case 1, and when occurring short circuit current in electric wiring, iron core 52 being capable of 53 turns of adhesive armature
Dynamic, armature 53 can drive operating mechanism 4 to be threaded off when rotating, and make breaker open operation.The bimetal leaf 31 and heat of the alert mechanism 3
Element 34 is arranged between the armature 53 and iron core 52, and thermal element 34 is " L " character form structure, and it includes what is fixed with housing 1
Connecting portion 341 and the heating part 342 upwardly extended, the side of heating part 342 are heated for bimetal leaf 31, the bottom of opposite side with
Iron core 52 is connected, and top is connected with the terminal plate 21 of binding post 2；The microswitch 322 sets and set by adapter sleeve 321
In thermal element 34 close to the side of the terminal plate 21 of binding post 2, adapter sleeve 321 is arranged on the upper of thermal element 34 and support 51
Side.
As shown in figure 1, the overload protection breaker that the present embodiment is provided is three poles, it is each extremely in be designed with electromagnetic motor
Structure 5 and alert mechanism 3, multiple electromagnetic mechanisms 5 are coordinated by spaced release lever 55 with operating mechanism 4, it is any extremely in
Electromagnetic mechanism 5 detects short circuit current, then can touch release lever 55 carry out separating brake action, it is any extremely in alert mechanism 3 detect
To alarm signal can be exported during overload current respectively, certainly, the bimetal leafs 31 of multiple alert mechanisms 3 can also be interval with
The similar alarm bar of release lever 55, a microswitch 322 is set on alarm bar, and any pole can pass through after there is overload current
Alarm bar drives microswitch 322 and the interoperation of signal trigger mechanism 33.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (10)
- A kind of 1. overload protection breaker, it is characterised in that：Including housing (1) and the binding post being arranged in housing (1) (2), contact mechanism, alert mechanism (3) and operating mechanism (4), alert mechanism (3) include bimetal leaf (31), are arranged on double gold Belong to the thermal element (34) of piece (31) side, be arranged on the signal acquisition module (32) on bimetal leaf (31) top and be arranged on double The signal trigger module (33) that sheet metal (31) side and signal acquisition module (32) coordinate, bimetal leaf (31) deformation during overload Signal acquisition module (32) can be driven to be moved to signal trigger module (33), signal acquisition module (32) and signal trigger module (33) alarm signal can be exported after contacting, signal trigger module (33) includes the supporting plate (331) being fixedly installed in housing (1) And shell fragment (332) and set screw (333) in supporting plate (331) are arranged on, shell fragment (332) includes being fixed on supporting plate (331) upper fixing end (332a) and another and microswitch of signal acquisition module (32) (322) coordinate triggering end (332b), adjust Save screw (333) with supporting plate (331) screw thread to coordinate, and end is against in the side wall of shell fragment (332).
- 2. overload protection breaker according to claim 1, it is characterised in that：The supporting plate (331) is " L " font knot Structure, its one end is fixed with housing (1), and the other end extends to signal acquisition module (32) side, is provided with supporting plate (331) solid Fixed board (331a), one end of shell fragment (332) are connected with fixed plate (331a), and in shell fragment (332), fixed plate (331a) and support Preset clearance (331b) is formed between plate (331), preset clearance (331b) and shell fragment are stretched into the end of set screw (333) (332) offset.
- 3. overload protection breaker according to claim 1, it is characterised in that：The signal acquisition module (32) includes micro- Dynamic switch (322) and the adapter sleeve (321) being arranged between bimetal leaf (31) and microswitch (322).
- 4. overload protection breaker according to claim 3, it is characterised in that：Adapter sleeve (321) includes and bimetal leaf (31) mounting blocks (321a) of connection, the fixed block (321b) for installing microswitch (322) and be connected to mounting blocks Connecting rod (321c) between (321a) and fixed block (321b), the bottom side end face of mounting blocks (321a), which is provided with, is used for bimetal leaf (31) slot (321d) of end insertion.
- 5. overload protection breaker according to claim 4, it is characterised in that：The one side bottom of the mounting blocks (321a) Portion is connected with connecting rod (321c), and the other end of connecting rod (321c) is connected with the top of fixed block (321b) one side, mounting blocks (321a) and fixed block (321b) are vertically arranged with connecting rod (231c) respectively, and microswitch (322) is arranged on fixed block (321b) Opposite side, the trigger board of microswitch (322) is arranged on the side towards bimetal leaf.
- 6. overload protection breaker according to claim 1, it is characterised in that：Also include the electromagnetic motor for short-circuit protection Structure (5), electromagnetic mechanism (5) include the support (51) provided with iron core (52) and are arranged on the armature (53) of iron core (52) side, iron Core (52) is pivoted in housing (1), bimetal leaf (31) and thermal element (34) be arranged on armature (53) and iron core (52) it Between.
- 7. overload protection breaker according to claim 1, it is characterised in that：The thermal element (34) is " L " font knot Structure, it includes the connecting portion (341) fixed with housing (1) and the heating part (342) upwardly extended, the side of heating part (342) Heated for bimetal leaf (31), the bottom of opposite side is connected with being arranged on the iron core (52) of electromagnetic mechanism (5) in housing (1), is pushed up Portion is connected with the terminal plate (21) of binding post (2).
- 8. overload protection breaker according to claim 4, it is characterised in that：It is provided with the slot (321d) to double gold Belong to the fixed convex tendon (321e) of piece (31).
- 9. overload protection breaker according to claim 1, it is characterised in that：The bimetal leaf (31) is trapezoidal knot Structure, the width of its one end coordinated with signal acquisition module (32) are less than the width of the other end.
- 10. overload protection breaker according to claim 6, it is characterised in that：The microswitch (322), which is set, to be passed through Adapter sleeve (321) is arranged on thermal element (34) and set close to the side of the terminal plate (21) of binding post (2), adapter sleeve (321) In the top of thermal element (34) and support (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720003851.0U CN206727034U (en) | 2017-01-03 | 2017-01-03 | Overload protection breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720003851.0U CN206727034U (en) | 2017-01-03 | 2017-01-03 | Overload protection breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206727034U true CN206727034U (en) | 2017-12-08 |
Family
ID=60499296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720003851.0U Active CN206727034U (en) | 2017-01-03 | 2017-01-03 | Overload protection breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206727034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126371A1 (en) * | 2020-12-14 | 2022-06-23 | 杭州冬蝉温控设备有限公司 | Novel overload protection switch |
-
2017
- 2017-01-03 CN CN201720003851.0U patent/CN206727034U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126371A1 (en) * | 2020-12-14 | 2022-06-23 | 杭州冬蝉温控设备有限公司 | Novel overload protection switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of utility model: Overload protection circuit breaker Granted publication date: 20171208 License type: Common License Record date: 20201021 |