CN107833805A - A kind of breaker thermal tripping system - Google Patents
A kind of breaker thermal tripping system Download PDFInfo
- Publication number
- CN107833805A CN107833805A CN201711022044.4A CN201711022044A CN107833805A CN 107833805 A CN107833805 A CN 107833805A CN 201711022044 A CN201711022044 A CN 201711022044A CN 107833805 A CN107833805 A CN 107833805A
- Authority
- CN
- China
- Prior art keywords
- plug wire
- plate
- wire support
- bimetal leaf
- supporting plate
- 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.)
- Granted
Links
- 238000005452 bending Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
Landscapes
- Breakers (AREA)
Abstract
A kind of breaker thermal tripping system, it is characterised in that：It includes arc leading angle (1), wiring board (2), adjusting screw (3) and bimetal leaf (4), the bimetal leaf (4) is fixed together with the wiring board (2), and the adjusting screw (3) can adjust the position of the bimetal leaf (3) on the arc leading angle (1).This breaker thermal tripping system, by the improvement to striking corner structure, realize the integral structure of wiring board, connecting plate and double golden supports, reduce number of parts, solder joint is reduced at bimetal leaf positioning, simple in construction, installation effectiveness is improved, ensure that the stability of thermal trip.
Description
Technical field
The invention belongs to breaker technical field, is exactly specifically to be related to a kind of breaker thermal tripping system.
Background technology
Breaker is divided into primary cut-out and low-voltage circuit breaker by its use range.Low-voltage circuit breaker is also known as automatic switch,
It is a kind of existing hand switch effect, and and can carries out the electrical equipment of decompression, under-voltage, overload and short-circuit protection automatically.It can be used to
Electric energy is distributed, infrequently starts asynchronous motor, the implementations such as power circuit and motor are protected, when they occur seriously
When overload or the failure such as short-circuit and under-voltage can automatic shutdown circuit, its function is equivalent to Fuse switch with crossing underheat relay
The combination of device etc., and it is latter in disjunction fault current as need not change parts, obtained a wide range of applications.
Breaker is by mounting means point：There are plug-in type, fixed and drawer type, the use of breaker can effectively improve electricity
Device equipment uses the security of industry, and with breaker widely using on various electric equipments, arc extinguishing and dropout are open circuits
The important performance indications of device, in the prior art the bimetal leaf in thermal tripping system be welded on a metallic support,
With terminal plate by being weldingly connected, adjusting nut is fixed on shell the metallic support, and adjusting screw withstands the branch of bimetal leaf
Frame, the position of bimetal plate bracket can be adjusted by rotating adjusting screw；This traditional thermal tripping system architecture weld solder joint
It is more, complicated, reduce the stability of thermal trip.
The content of the invention
The purpose of the present invention is more aiming at existing breaker thermal tripping system pad, and baroque technology lacks
Fall into, there is provided a kind of breaker thermal tripping system, by the improvement to striking corner structure, realize wiring board, connecting plate and double gold
The integral structure of support, reduce number of parts, solder joint is reduced at bimetal leaf positioning, simple in construction, improves installation effect
Rate, it ensure that the stability of thermal trip.
Technical scheme
In order to realize above-mentioned technical purpose, a kind of breaker thermal tripping system that the present invention designs, it is characterised in that：It is wrapped
Arc leading angle, wiring board, adjusting screw and bimetal leaf are included, the bimetal leaf is fixed together with the wiring board, the tune
Section screw can adjust the position of the bimetal leaf on the arc leading angle.
Further, the wiring board, which is provided with, drives plate, one end of the bimetal leaf together with driving plate to be installed on,
Described to drive plate to be located at below the supporting plate on the arc leading angle, the supporting plate is provided with screwed hole, and the screwed hole is built-in
There is an adjusting screw, the adjusting screw is with driving plate to that should be able to adjust the position of bimetal leaf.
Further, the arc leading angle includes run-on tab body, the run-on tab body bending connecting bracket plate, run-on tab sheet
Body and supporting plate are provided with the slotted eye of insertion, and the supporting plate head end plate face is provided with screwed hole, the run-on tab outer body
End is connected with connecting plate, and striking support is drawn in the slotted eye of the supporting plate outboard end, and the striking support is connected with run-on tab,
The run-on tab is parallel with supporting plate, and the run-on tab body is parallel with the striking support.
Further, the wiring board includes plug wire support, and the plug wire support is provided with mounting hole, and the drive plate is with inserting
Line bracket circular sliding slopes, the drive plate be located at it is parallel with the plug wire support below the plug wire support, it is described drive plate from
The slotted eye is inserted into below the supporting plate head end plate face and parallel with the supporting plate, is connected with the right side of the plug wire support
Power socket.
Further, it is described drive plate drawn from the hole one on the plug wire support below the plug wire support and with institute
It is parallel to state plug wire support.
Further, the outside vertical connection supporting plate in the plug wire stent outer end, the drive plate is from plug wire support
Draw below the plug wire support and parallel with the plug wire support in hole two.
Further, the wiring board includes plug wire straight panel, and the plug wire straight panel is provided with via, the plug wire straight panel
Outboard end, which is fixed, is equipped with bimetal leaf, and the adjusting screw props up arc leading angle after passing through the nut below via and via.
Beneficial effect
A kind of breaker thermal tripping system provided by the invention, by the improvement to striking corner structure, realize wiring board,
The integral structure of connecting plate and double golden supports, reducing number of parts, solder joint is reduced at bimetal leaf positioning, simple in construction,
Installation effectiveness is improved, ensure that the stability of thermal trip.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the embodiment of the present invention 1；
Accompanying drawing 2 is the front view of the embodiment of the present invention 1.
Accompanying drawing 3 is the structural representation of arc leading angle in the embodiment of the present invention 1.
Accompanying drawing 4 is the structural representation of wiring board in the embodiment of the present invention 1.
Accompanying drawing 5 is position view of the thermal tripping system in breaker in the embodiment of the present invention 1；
Accompanying drawing 6 is the structural representation of wiring board in the embodiment of the present invention 2.
Accompanying drawing 7 is the structural representation of wiring board in the embodiment of the present invention 3.
Accompanying drawing 8 is the structural representation of the embodiment of the present invention 4.
Accompanying drawing 9 is the structural representation of wiring board in the embodiment of the present invention 4.
Embodiment
With reference to the accompanying drawings and examples, the present invention will be further described.
Embodiment 1
As shown in figure 1 and 2, a kind of breaker thermal tripping system, it includes arc leading angle 1, wiring board 2, the He of adjusting screw 3
Bimetal leaf 4, the bimetal leaf 4 are fixed together with the wiring board 2, and the adjusting screw 3 is on the arc leading angle 1
The position of the bimetal leaf 4 can be adjusted.
The wiring board 2, which is provided with, drives plate 201, and one end of the bimetal leaf 4 is with driving plate 201 to be installed on one
Rise, described to drive the lower section of supporting plate 101 that plate 201 is located on the arc leading angle 1, the supporting plate 101 is provided with screwed hole
101a, the screwed hole 101a are built with adjusting screw 3, and the adjusting screw 3 is with driving plate 201 to that should be able to adjust double gold
Belong to the position of piece 4.
As shown in Figure 3, the arc leading angle 1 includes run-on tab body 102, the bending of the run-on tab body 102 connection branch
Frame plate 101, run-on tab body 102 and supporting plate 101 are provided with the slotted eye 101b of insertion, in the head end plate face of supporting plate 101
Provided with screwed hole 101a, the outboard end of run-on tab body 102 is connected with connecting plate 103, the groove of the outboard end of supporting plate 101
Striking support 104 is drawn in the 101b of hole, the striking support 104 is connected with run-on tab 105, the run-on tab 105 and supporting plate
101 is parallel, and the run-on tab body 102 is parallel with the striking support 104.
As shown in Figure 4, the wiring board 2 includes plug wire support 202, and the plug wire support 202 is provided with mounting hole
202a, the drive plate 201 and the circular sliding slopes of plug wire support 202, the drive plate 201 is positioned at the lower section of plug wire support 202
Parallel with the plug wire support 202, the drive plate 201 is inserted into the head end plate face of supporting plate 101 from the slotted eye 101b
Lower section and parallel with the supporting plate 101, the right side of plug wire support 202 are connected with power socket 203.
As shown in Figure 5, it is position view of the thermal tripping system in breaker, adjusting screw 3 screws in above-mentioned striking
On angle 1 in the screwed hole 101a of right side, while the slotted eye that adjusting screw 3 corresponds on case for circuit breaker wall, backspin in adjusting screw 3
Go out precession, change in location occurs for the drive plate 201 on wiring board 2, drives bimetal leaf 4 to rotate clockwise, a left side for bimetal leaf 4
End position moves up and down, and can control the distance of the left end of bimetal leaf 4 and breaker mechanism.During breaker overload work, bimetallic
Piece 4, which has received heat-carrying, to be influenceed to occur bending and deformation, and drives breaker tripping mechanism to carry out trip action at the appointed time；Breaker
Dropout dynamic/static contact separately produces electric arc, and electric arc reaches arc leading angle 1, run-on tab 105 of the electric arc along arc angle 1 by moving contact
Into arc-chutes, play a part of arc leading and suppressing.
Embodiment 2
As shown in Figure 6, it is described to drive plate 201 to be drawn from the 202a ' of hole one on the plug wire support 202 positioned at described slotting
It is below line bracket 202 and parallel with the plug wire support 202.In the present embodiment, function and the phase of embodiment 1 of thermal tripping system
Together, no longer it is expanded on further herein.
Embodiment 3
As shown in Figure 7, the outside vertical connection supporting plate 204 of the outboard end of plug wire support 202, the drive plate 201
Drawn from the 202b of hole two on plug wire support 202 below the plug wire support 202 and parallel with the plug wire support 202.
In the present embodiment, the function of thermal tripping system is same as Example 1, is no longer expanded on further herein.
Embodiment 4
As shown in figs. 8 and 9, the wiring board 2 includes plug wire straight panel 205, and the plug wire straight panel 205 is provided with via
205a, the outboard end of the plug wire straight panel 205, which is fixed, is equipped with bimetal leaf 4, and the adjusting screw 3 passes through via 205a and via
Arc leading angle 1 is propped up after nut 5 below 205a.
The adjusting screw 3 passes through the via 205a of the wiring board 2, is then passed through the screwed hole of nut 5, the regulation spiral shell
The head of nail 3 props up arc leading angle 1 described in propping up, and when turning adjusting screw 3 is tightened, the head of adjusting screw 3 pushes against the head of arc leading angle 1
End, arc leading angle 1 is set to push against the plate face of power socket 203 ', while nut 5 pushes against the plug wire straight panel 205 of wiring board 2, on wiring board 2
Plug wire straight panel 205 relative to the power socket 203 ' of its both sides plate face occur change in location, drive bimetal leaf 4 turn clockwise
Dynamic, the left position of bimetal leaf 4 moves up and down, and can control the distance of the left end of bimetal leaf 4 and breaker mechanism.
Structure, ratio, size, quantity depicted in the present embodiment institute accompanying drawings etc., only coordinating specification to be taken off
The content shown, so that those skilled in the art understands and reads, the enforceable qualifications of the present invention are not limited to, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influenceing the present invention
Under the effect of can be generated and the purpose that can reach, it all should still fall and obtain the model that can cover in disclosed technology contents
In enclosing.Meanwhile cited such as " on ", " under ", "left", "right", " centre ", " clockwise ", " counterclockwise " in this specification
Term, be merely convenient to understanding for narration, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or
Adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable category of the present invention.
Claims (7)
- A kind of 1. breaker thermal tripping system, it is characterised in that：It includes arc leading angle (1), wiring board (2), adjusting screw (3) and Bimetal leaf (4), the bimetal leaf (4) are fixed together with the wiring board (2), and the adjusting screw (3) is mounted in described The position of the bimetal leaf (4) can be adjusted on arc leading angle (1).
- A kind of 2. breaker thermal tripping system as claimed in claim 1, it is characterised in that：The wiring board (2) is provided with band Dynamic plate (201), together with driving plate (201) to be installed on, the drive plate (201) is located at for one end of the bimetal leaf (4) Below supporting plate (101) on the arc leading angle (1), the supporting plate (101) is provided with screwed hole (101a), the screwed hole (101a) built with adjusting screw (3), the adjusting screw (3) is with driving plate (201) to that should be able to adjust bimetal leaf (4) Position.
- A kind of 3. breaker thermal tripping system as claimed in claim 1, it is characterised in that：The arc leading angle (1) includes striking Plate body (102), run-on tab body (102) the bending connecting bracket plate (101), run-on tab body (102) and supporting plate (101) slotted eye (101b) of insertion is provided with, supporting plate (101) the head end plate face is provided with screwed hole (101a), described to draw Arc plate body (102) outboard end is connected with connecting plate (103), is drawn in the slotted eye (101b) of supporting plate (101) outboard end Striking support (104), the striking support (104) are connected with run-on tab (105), the run-on tab (105) and supporting plate (101) Parallel, the run-on tab body (102) is parallel with the striking support (104).
- A kind of 4. breaker thermal tripping system as claimed in claim 3, it is characterised in that：The wiring board (2) includes plug wire Support (202), the plug wire support (202) are provided with mounting hole (202a), the drive plate (201) and plug wire support (202) Circular sliding slopes, it is described drive plate (201) be located at the plug wire support (202) lower section it is parallel with the plug wire support (202), it is described Drive plate (201) be inserted into from the slotted eye (101b) below the supporting plate (101) head end plate face and with the supporting plate (101) it is parallel, it is connected with power socket (203) on the right side of the plug wire support (202).
- A kind of 5. breaker thermal tripping system as claimed in claim 4, it is characterised in that：The drive plate (201) is from described Hole one (202a ') on plug wire support (202) draw below the plug wire support (202) and with the plug wire support (202) it is parallel.
- A kind of 6. breaker thermal tripping system as claimed in claim 4, it is characterised in that：On the outside of the plug wire support (202) Outside vertical connection supporting plate (204) is held, it is described to drive plate (201) to draw position from the hole two (202b) on plug wire support (202) It is below the plug wire support (202) and parallel with the plug wire support (202).
- A kind of 7. breaker thermal tripping system as claimed in claim 1, it is characterised in that：The wiring board (2) includes plug wire Straight panel (205), the plug wire straight panel (205) are provided with via (205a), and the outboard end of the plug wire straight panel (205) fixes dress There is a bimetal leaf (4), the adjusting screw (3) is drawn through propping up after the nut (5) below via (205a) and via (205a) Arc angle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711022044.4A CN107833805B (en) | 2017-10-26 | 2017-10-26 | Thermal tripping system of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711022044.4A CN107833805B (en) | 2017-10-26 | 2017-10-26 | Thermal tripping system of circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107833805A true CN107833805A (en) | 2018-03-23 |
| CN107833805B CN107833805B (en) | 2024-09-20 |
Family
ID=61649792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711022044.4A Active CN107833805B (en) | 2017-10-26 | 2017-10-26 | Thermal tripping system of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107833805B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261471A (en) * | 2020-04-13 | 2020-06-09 | 贵州泰永长征技术股份有限公司 | Overload protection system of circuit breaker |
| CN112885671A (en) * | 2019-11-29 | 2021-06-01 | 上海良信电器股份有限公司 | Thermal trip system and circuit breaker |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0338868A1 (en) * | 1988-04-21 | 1989-10-25 | Hager Electro S.A. | Modular electrical protection or control apparatus |
| FR2634589A1 (en) * | 1988-07-25 | 1990-01-26 | Merlin Gerin | Miniature circuit breaker with electromagnetic trip mechanism casing configured as support for the twin strip |
| JPH1116476A (en) * | 1997-06-24 | 1999-01-22 | Mitsubishi Electric Corp | Circuit breaker |
| CN201315296Y (en) * | 2008-09-28 | 2009-09-23 | 无锡唯特电气技术有限公司 | Integrated thermal tripper bracket of micro circuit breaker |
| CN104465248A (en) * | 2014-12-26 | 2015-03-25 | 德力西电气有限公司 | Heat tripping adjusting assembly |
| CN205542666U (en) * | 2016-02-05 | 2016-08-31 | 上海良信电器股份有限公司 | Circuit breaker explosion chamber improvement structure |
| CN206349330U (en) * | 2017-01-17 | 2017-07-21 | 上海永继电气股份有限公司 | High-breaking miniature breaker |
| CN207624645U (en) * | 2017-10-26 | 2018-07-17 | 上海良信电器股份有限公司 | A kind of breaker thermal tripping system |
-
2017
- 2017-10-26 CN CN201711022044.4A patent/CN107833805B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0338868A1 (en) * | 1988-04-21 | 1989-10-25 | Hager Electro S.A. | Modular electrical protection or control apparatus |
| FR2634589A1 (en) * | 1988-07-25 | 1990-01-26 | Merlin Gerin | Miniature circuit breaker with electromagnetic trip mechanism casing configured as support for the twin strip |
| JPH1116476A (en) * | 1997-06-24 | 1999-01-22 | Mitsubishi Electric Corp | Circuit breaker |
| CN201315296Y (en) * | 2008-09-28 | 2009-09-23 | 无锡唯特电气技术有限公司 | Integrated thermal tripper bracket of micro circuit breaker |
| CN104465248A (en) * | 2014-12-26 | 2015-03-25 | 德力西电气有限公司 | Heat tripping adjusting assembly |
| CN205542666U (en) * | 2016-02-05 | 2016-08-31 | 上海良信电器股份有限公司 | Circuit breaker explosion chamber improvement structure |
| CN206349330U (en) * | 2017-01-17 | 2017-07-21 | 上海永继电气股份有限公司 | High-breaking miniature breaker |
| CN207624645U (en) * | 2017-10-26 | 2018-07-17 | 上海良信电器股份有限公司 | A kind of breaker thermal tripping system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112885671A (en) * | 2019-11-29 | 2021-06-01 | 上海良信电器股份有限公司 | Thermal trip system and circuit breaker |
| CN111261471A (en) * | 2020-04-13 | 2020-06-09 | 贵州泰永长征技术股份有限公司 | Overload protection system of circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107833805B (en) | 2024-09-20 |
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