CN206059316U - A kind of chopper and dropout thermal compensation structure - Google Patents
A kind of chopper and dropout thermal compensation structure Download PDFInfo
- Publication number
- CN206059316U CN206059316U CN201621022588.1U CN201621022588U CN206059316U CN 206059316 U CN206059316 U CN 206059316U CN 201621022588 U CN201621022588 U CN 201621022588U CN 206059316 U CN206059316 U CN 206059316U
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- CN
- China
- Prior art keywords
- lock
- double gold
- gold
- auxiliary
- pull bar
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Abstract
This utility model discloses a kind of chopper and dropout thermal compensation structure; including base plate, main double gold, the double gold of auxiliary, lock and delay pull bar; described lock is fixed on base plate and can rotate realization unblock; delay pull bar one end is connected with lock; the delay pull bar other end and main double gold effects; main double golden bendings in current overload simultaneously pull lock unblock to realize overload protection; the double gold of auxiliary are set on described lock, double gold are aided in for compensating the relative displacement that main pair of gold is produced in variation of ambient temperature.This utility model is the double gold of auxiliary for increasing an obstructed electric current on tripping mechanism, this pair of gold is influenced by ambient temperature and changes, its role is to when variation of ambient temperature, while the temperature difference produces impact with relative displacement on main double gold deformation quantities, the double gold of auxiliary are affected to compensate relative displacement by the temperature difference, so as to solve the stability problem of thermomagnetic circuit breaker time delay tripping characteristic under various ambient temperatures.
Description
Technical field
This utility model discloses a kind of chopper and dropout thermal compensation structure, divides by International Patent Classification (IPC) (IPC) and belongs to
In chopper and electrical equipment trip gear manufacturing technology field.
Background technology
Electrical apparatus release can be applied on the equipment that defencive function is filtered with circuit in chopper etc., and electrical apparatus release is set on circuit
Bimetallic element is put, when circuit produces overcurrent, bimetallic element heating bending simultaneously pulls lock to unlock mechanism,
The dynamic and static contact of chopper is separated, and realizes overload protection function.
When chopper use environment with its dispatch from the factory before standard adjustment temperature it is variant when, lead to same current under time delay
Characteristic difference is very big, and nearly all producer, in the problem of reply, can be all tripping characteristic product in different rings with temperature coefficient table
Current capacity correction chart at a temperature of border.But due to chopper application scenario it is varied, such as outdoor installation round the clock, seasonal law
The temperature difference；The temperature difference such as HVAC cabinet inside, work and stopped status is all very big, and the electric current that chopper passes through can not be in good time
Regulation and control, cause to transship early jump, evening and jump and even do not jump, and the reason for cause the problems referred to above are, the bimetallic element on dropout circuit
It is affected by the ambient temperature.
Utility model content
For the deficiencies in the prior art, this utility model provides a kind of dropout thermal compensation structure, is supported by the double gold of auxiliary
The bending change that main double gold are produced is affected during the variation of ambient temperature that disappears, improve product Interruption and widen the applicable ring of product
Border temperature.
To reach above-mentioned purpose, this utility model is achieved through the following technical solutions：
A kind of dropout thermal compensation structure, including base plate, main double gold, the double gold of auxiliary, lock and delay pull bar, described lock
Realization unblock is fixed on base plate and can rotate, delay pull bar one end is connected with lock, the delay pull bar other end is made with main double gold
With main double golden bendings in current overload simultaneously pull lock unblock to realize overload protection, and auxiliary is arranged on described lock
Double gold, the double gold of auxiliary are used to compensate the relative displacement that main double gold are produced in variation of ambient temperature.
Further, in rotating shaft on base plate, lock is provided with the upper installation position of the double gold of auxiliary and lower peace to the lock
Dress position, upper and lower installation position are located at the distal end of lock shaft hole respectively and form two limiting footholds of the double gold of auxiliary, the double gold of auxiliary
Opposite effect power is produced in the deformation of equivalent environment temperature change with main double gold.
Further, the lock is provided with pull bar chute, and the one end for extending pull bar is placed in pull bar chute and in main double gold
Lock is driven to rotate during deformation.
Further, the upper installation position of the lock is that clip slot is used to clamp the fixing end of the double gold of auxiliary, the lower installation of lock
Position is the open slot movable ends golden to put auxiliary pair, and movable end promotion during auxiliary pair gold deformation is latched and rotated forward or backwards,
The open slot of the lock is communicated with pull bar chute.
Further, the double gold of the auxiliary are followed successively by afterbody, bending section, direct-connected portion and head from one end to the other end, wherein
Afterbody be fixed on lock, the afterbody, bending section, direct-connected portion and head constitute the elastic piece structure of bending.
Further, the afterbody side of the double gold of the auxiliary is provided with buckle, and afterbody opposite side is provided with breach, is engaged with afterbody
Lock clip slot inwall to set a through hole corresponding with buckle, be provided with projection at clip slot opening corresponding with breach.
Further, the double gold of the master are connected with the kink of delay pull bar, the chute of delay pull bar one end connection lock, are prolonged
When the pull bar other end be arranged in the locating slot of base plate, main double gold drives delay pull bars to produce relative positions in variation of ambient temperature
Move.
Further, the double gold one end of the master are fixed in striking power, have electric current to pass through on main double gold, and the double gold of auxiliary are upper obstructed
Electric current.
This utility model also provides a kind of chopper, including above-mentioned dropout thermal compensation structure simultaneously.
This utility model is the double gold of auxiliary for increasing an obstructed electric current on tripping mechanism, and this pair of gold is by ambient temperature shadow
Ring and change, its role is to when variation of ambient temperature, the temperature difference is same with what relative displacement generation affected on main double gold deformation quantities
When, the double gold of auxiliary are affected to compensate relative displacement by the temperature difference, and relative displacement before and after making temperature change does not have too big difference, reduces ring
Impact of the temperature change to overload protection function, so as to solve thermomagnetic circuit breaker time delay tripping characteristic under various ambient temperatures
Stability problem.
Description of the drawings
Fig. 1 is this utility model embodiment schematic diagram.
Fig. 2 is this utility model example structure schematic diagram.
Fig. 3 is the double gold schematic diagrams of this utility model auxiliary.
Fig. 4 is this utility model lock schematic diagram.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
Embodiment：Refer to Fig. 1 to Fig. 4, a kind of dropout thermal compensation structure, including base plate 1 and the master on base plate
Double golden 2, double gold 3, lock 4 and delay pull bar 5, lock therein 4 is aided in be fixed on base plate 1 and can rotate realization unblock, prolong
When 5 one end of pull bar 4 be connected with lock, 5 other end of delay pull bar is acted on main double gold 2, main double golden 2 deform in current overload it is curved
Song simultaneously pulls lock 4 to unlock and realizes overload protection, and auxiliary pair gold 3 is arranged on described lock 4, aids in double gold 3 for compensating master
The relative displacement that double gold are produced in variation of ambient temperature.Lock 4 in this utility model is arranged on base plate 1 in rotating shaft 6, lock
4 are provided with the double golden 3 upper installation positions 41 of auxiliary and lower installation position 42, and upper and lower installation position is located at the distal end of lock shaft hole respectively
And two golden limiting footholds of auxiliary pair are formed, aid in double gold 3 and master couple gold 2 in the deformation of equivalent environment temperature change to lock
Produce opposite effect power.The upper installation position 41 of lock 4 is that clip slot is used to clamp the fixing end for aiding in double gold 3, latches 4 lower peace
Dress position 42 is open slot to put double golden 3 movable ends of auxiliary, and during auxiliary pair golden 3 deformation, movable end promotes lock forward or backwards
Rotate, the open slot of the lock 4 is communicated with pull bar chute.Lock 4 is provided with pull bar chute 43, and the one end for extending pull bar 5 is put
In pull bar chute and in main double gold deformation lock is driven to rotate, the closing of 43 one end of pull bar chute, pull bar chute other end shape
Become open slot 42, the positive stop end of delay pull bar 5 is formed when auxiliary double golden 3 is placed in open slot, be stopper on the outside of open slot 42
420.The auxiliary double golden 3 that this utility model is adopted is followed successively by afterbody 31, bending section 32, direct-connected portion 33 and head from one end to the other end
Portion 34, afterbody therein are fixed on lock, and the afterbody, bending section, direct-connected portion and head constitute the elastic piece structure of bending, auxiliary
The afterbody side of double gold is helped to be provided with buckle 311, afterbody opposite side is provided with breach 312, in the lock clip slot 41 being engaged with afterbody
It is corresponding with buckle 311 that wall sets a through hole 411, is provided with that projection 412 is corresponding with breach 312 at clip slot opening, and projection can be arranged on
The upper cell wall or lower cell wall of clip slot, except the double gold structures of the auxiliary of upper this utility model design, other bending elastic piece structures also exist
In the application protection domain.The double gold structures of this utility model auxiliary can also be straight piece or straight panel elastic piece structure, and its upper end is fixed
Fixing end is formed in clip slot, lower end is arranged in open slot and forms movable end or free end.
As shown in Figures 1 and 2, this utility model master double golden 2 is connected with the kink of delay pull bar 5,5 one end of delay pull bar
The chute 43 of connection lock, 5 other end of delay pull bar are arranged in the locating slot 101 of base plate 1, and main double gold 2 become in ambient temperature
Delay pull bar 5 is driven to produce relative displacement during change.Main double golden 2 one end are fixed on run-on tab 7, have electric current to pass through on main double gold 2,
Delay pull bar 5 can be made up of metal material, it is also possible to be made up of insulant, obstructed electric current on the double gold 3 of auxiliary.
Such as Fig. 1 and Fig. 2, utility model works process are as follows：Double golden 2 bands of the master of this utility model dropout thermal compensation structure
Dynamic delay pull bar 5, delay pull bar and auxiliary pair gold effect, double golden 3 fixing ends of auxiliary promote lock to rotate counterclockwise unblock,
During variation of ambient temperature, main double gold 2 are to the right or left drive delay pull bar produces relative displacement, now aid in the movable end of double gold 3
I.e. free end it is in the same direction to the right or left dislocation and compensate the relative displacements that main double gold is produced.Specifically work as the high situation of ambient temperature
Under, such as more than 30 degree of high temperature, main double gold 2 drive to the right delay pull bar to produce relative displacements, now aid in double golden 3 movable ends to be
Free end displacement to the right and compensate the relative displacements that main double gold is produced；When under the extremely low situation of ambient temperature, if low temperature is below -10,
Main double gold 2 drive delay pull bar to produce relative displacement to the left, and the movable end for now aiding in double gold 3 is free end equally to left dislocation
And compensate the relative displacement that main double gold are produced.
This utility model dropout thermal compensation structure can be used to be protected with circuit overloads in chopper, motor protector etc.
On the equipment of protective function, a kind of such as chopper, including above-mentioned dropout thermal compensation structure, Fig. 1 are that chopper one pole A, i.e., one are broken
Road device unit.
Chopper overload protection：When circuit produces overcurrent, bimetallic element heating bending simultaneously pulls lock,
Thread off with dropout part when lock is rotated, unlock mechanism, realize overload protection function.
In this utility model, the double gold of main double gold 2 and auxiliary 3 are the bimetal leaf elements of two kinds of different designs, main double gold 2 with
It is in opposite direction that auxiliary double golden 3 is bent after being heated, thereby reason so that when ambient temperature changes, the deformation of main double gold 2
Into relative position can be offset by the Bending Deformations of the double gold of auxiliary 3, the purpose constant to reach overload protection characteristics.
Applied for the thermal compensation structure of an electrical apparatus release, 104733261 A of publication number CN, its work before applicant in this case
Double gold gold 2 double equivalent to the masters in this case, the double gold of compensation equivalent to the double gold 3 of auxiliary, application scheme compared with front case, main region
It is not：Compensate in front case double gold be separately provided and not with snap fit, and in this case, aid in the positions " compensation that double gold 3 install
Two limit points of double gold are arranged at the two ends for latching " and matching relationship is compensated with main double gold 2, so as to solve Thermomagnetic type open circuit
The stability problem of device time delay tripping characteristic under various ambient temperatures.
When variation of ambient temperature, while the temperature difference produces impact with relative displacement on main double gold deformation quantities, the double gold of auxiliary
Affected to compensate relative displacement by the temperature difference, relative displacement before and after making temperature change does not have too big difference.Reduce ring temperature to change to mistake
The impact of defencive function is carried, so that the use range of main flow breaker is greatly increased on the market at present.
Described above, only using the embodiment of this origination techniques content, any those skilled in the art use this wound
Make done modification, change, all belong to the scope of the claims of this creation opinion, and be not limited to those disclosed embodiments.
Claims (10)
1. a kind of dropout thermal compensation structure, it is characterised in that：Including base plate, main double gold, the double gold of auxiliary, lock and delay pull bar,
Described lock is fixed on base plate and can rotate realization unblock, and delay pull bar one end is connected with lock, the delay pull bar other end
Act on main pair of gold, main double golden bendings in current overload simultaneously pull lock unblock to realize overload protection, described lock
It is upper that the double gold of auxiliary are set, double gold are aided in for compensating the relative displacement that main pair of gold is produced in variation of ambient temperature.
2. a kind of dropout thermal compensation structure according to claim 1, it is characterised in that：The lock turns on base plate
On axle, lock is provided with the upper installation position and lower installation position of the double gold of auxiliary, and upper and lower installation position is located at the remote of lock shaft hole respectively
Hold and formed two limiting footholds of the double gold of auxiliary.
3. a kind of dropout thermal compensation structure according to claim 1, it is characterised in that：The lock is provided with pull bar cunning
Groove, the one end for extending pull bar are placed in pull bar chute and in the deformation of main double gold at present with the double gold effects of auxiliary so as to drive lock to turn
Dynamic unblock.
4. a kind of dropout thermal compensation structure according to claim 2, it is characterised in that：The upper installation position of the lock is folder
Groove is used for the fixing ends of clamping auxiliary pair gold, and the lower installation position of lock is that open slot aids in double golden movable ends to put, described
The open slot of lock is communicated with pull bar chute.
5. a kind of dropout thermal compensation structure according to claim 1, it is characterised in that：The double gold of described auxiliary are bending
Elastic piece structure or straight chip type shell fragment.
6. a kind of dropout thermal compensation structure according to claim 1, it is characterised in that：The double gold of the auxiliary is from one end to another
One end is followed successively by afterbody, bending section, direct-connected portion and head, and afterbody therein is fixed on lock, the afterbody, bending section, straight
Portion of company and head constitute the elastic piece structure of bending.
7. a kind of dropout thermal compensation structure according to claim 6, it is characterised in that：The afterbody side of the auxiliary pair gold
Be provided with buckle, afterbody opposite side is provided with breach, with the lock clip slot inwall that afterbody is engaged set a through hole with buckle corresponding, clip slot
Projection is provided with opening corresponding with breach.
8. a kind of dropout thermal compensation structure according to claim 1, it is characterised in that：The double gold of the master and delay pull bar
Kink connects, and delay pull bar one end connection lock chute, the delay pull bar other end are arranged in the locating slot of base plate, main double gold
Delay pull bar is driven to produce relative displacement in variation of ambient temperature.
9. a kind of dropout thermal compensation structure according to claim 1, it is characterised in that：The dynamic time delay of the double gold ribbons of the master is drawn
Bar, delay pull bar and the double gold effects of auxiliary, the dynamic lock of the double gold ribbons of auxiliary rotates counterclockwise unblock, in variation of ambient temperature, main
Double gold are to the right or left drive delay pull bar produces relative displacement, now aid in double gold movable ends it is in the same direction to the right or left dislocation and
The relative displacement that the main double gold of compensation are produced.
10. a kind of chopper, it is characterised in that including a kind of dropout thermal compensation structure described in one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621022588.1U CN206059316U (en) | 2016-08-31 | 2016-08-31 | A kind of chopper and dropout thermal compensation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621022588.1U CN206059316U (en) | 2016-08-31 | 2016-08-31 | A kind of chopper and dropout thermal compensation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206059316U true CN206059316U (en) | 2017-03-29 |
Family
ID=58374323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621022588.1U Withdrawn - After Issue CN206059316U (en) | 2016-08-31 | 2016-08-31 | A kind of chopper and dropout thermal compensation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206059316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169400A (en) * | 2016-08-31 | 2016-11-30 | 厦门宏发开关设备有限公司 | A kind of chopper and dropout thermal compensation structure |
-
2016
- 2016-08-31 CN CN201621022588.1U patent/CN206059316U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169400A (en) * | 2016-08-31 | 2016-11-30 | 厦门宏发开关设备有限公司 | A kind of chopper and dropout thermal compensation structure |
| CN106169400B (en) * | 2016-08-31 | 2018-11-20 | 厦门宏发开关设备有限公司 | A kind of breaker and thermal compensation structure of threading off |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20181120 |