CN206697414U - Small size overheats overcurrent protector - Google Patents
Small size overheats overcurrent protector Download PDFInfo
- Publication number
- CN206697414U CN206697414U CN201720557274.XU CN201720557274U CN206697414U CN 206697414 U CN206697414 U CN 206697414U CN 201720557274 U CN201720557274 U CN 201720557274U CN 206697414 U CN206697414 U CN 206697414U
- Authority
- CN
- China
- Prior art keywords
- calibration block
- fixed seat
- bimetallic element
- small size
- overheats
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of small size to overheat overcurrent protector, including shell, left terminal, right terminal, bimetallic element, fixed seat and calibration block；One end of left terminal is provided with wire welding locating slot, and centre is provided with fixed seat connecting hole, and the other end is provided with stationary contact；One end of right terminal is provided with wire welding locating slot, and the other end is provided with calibration block connecting platform；One end of bimetallic element is provided with movable contact and the other end has bimetallic element positioning hole, one end of fixed seat is provided with fixed seat locating slot, the downside of calibration block is calibration block positioning boss, bimetallic element is placed on calibration block positioning boss by bimetallic element positioning hole and realizes that positioning, calibration block and bimetallic element realize positioning and connection by fixed seat locating slot；Calibration block is temperature correction block.The utility model can overheat excessively stream duplicate protection, and riveted construction makes product internal resistance and temperature more stable, and product can be achieved and calibrate automatically；And small volume, it is easily installed.
Description
Technical field
There is built-in excessively stream and overtemperature protection bimetallic element and temperature correction block the utility model relates to a kind of,
The overflow and overheat protector that predetermined break-off signal is calibrated in mechanization can be carried out, suitable for rechargeable battery set, li-ion cell protection
Plate, curtain motor, tube shaped electric machine, electro-motor, PC circuit boards, temperature sensing cable, heating cushion, medical pad, electric blanket, electric heating clothes,
The multiple fields such as ballast and transformer.
Background technology
Small size protector common at present is thermal protector or overcurrent protector, and its thermal protector principle is：Thermal protection
When device reaches the specified take-off temperature value of bimetallic element inside thermal protector by the medium temperature of inductive load, bimetallic member
Part acts, and cuts off the power supply of load, load is stopped；When protector ambient temperature drops to bimetallic element action
Specified reset temperature when, bimetallic element homing action, being again switched on load power source makes its work, so load in heating
In the circulation of → disconnection → cooling → connection.The principle of overcurrent protector is：Its pair of ambassador is become by the current anomaly of protector
Hardware heating acts, and cuts off the power supply of load, load is stopped；
Know above, thermal protector belong to temperature sensor protection load, bimetallic material in use, due to temperature
Alternating hot and cold metal material can flexural deformation, and change the initial temperature of protector, protector work occur unstable
Phenomenon；And damage caused by becoming big to load current moment can not sensitivity protection；And overcurrent protector is because volume is big, generally
It is external, installation cost is high, it is impossible to which rise slow to load temperature is effectively protected.
Existing manufacturer is in order to be loaded with higher security, it has to while make overheat and overcurrent protector series connection
With causing that installation is complicated, cost is high, takes the drawbacks such as installing space, but still can not thoroughly solve to load in the process of running
Safety issue.
In order to overcome disadvantages mentioned above, the positive innovation research of the design people, protected to create a kind of small size overheat excessively stream
Protect device.
Utility model content
The utility model has built-in mainly solving the technical problems that providing a kind of small size overheat overcurrent protector
Excessively stream is generated heat and the bimetallic element and temperature correction block of medium temperature transmission heating, by calibrator (-ter) unit, can carry out machine
Toolization is calibrated, and is allowed to that operating temperature is more accurate, solves bimetallic material in use due to the alternating hot and cold of temperature
Metal material flexural deformation, and change the initial temperature of protector, the problem of the job insecurity for protector occur；Adopt simultaneously
With integrated injection molding in riveting contacts in mould, mould, be allowed to connect it is more reliable, have small volume, only need few installing space,
The features such as installing simple, reduction production cost, built-in can installing, overheat excessively stream integrated design, be swift in motion；So as to ensure that
Protected load equipment absolute safety, stability, durability.
In order to solve the above technical problems, the technical scheme that the utility model uses is：A kind of small size overheat is provided
Overcurrent protector, including shell and left terminal, right terminal, bimetallic element, fixed seat and calibration block in the shell；
One end of the left terminal is provided with wire welding locating slot, and centre is provided with fixed seat connecting hole, and the other end
It is provided with stationary contact；
One end of the right terminal is provided with wire welding locating slot, and the other end is provided with calibration block connecting platform；
The left terminal, right terminal and fixed seat form fixed holder assembly, and each wire welding locating slot all connects
Wire, one end of the bimetallic element is provided with movable contact and the other end has bimetallic element positioning hole, the fixed seat
One end be provided with fixed seat locating slot, the downside of the calibration block is downwardly convex calibration block positioning boss, double gold
Category element by bimetallic element positioning hole be placed on the calibration block calibration block positioning boss realize positioning, the calibration block and
The bimetallic element realizes positioning and connection by the fixed seat locating slot being arranged in the fixed seat；The calibration block is
Temperature correction block.
Further say, the fixed holder assembly is by one by the left terminal, the right terminal and the fixed seat
The fixation holder assembly that body injection molding is process.
Further say, the fixed seat connecting hole is provided with least one.
Further say, the bimetallic element is provided with bimetallic upset stress coil, and the bimetallic overturns stress
Coil is concave-sphere type or convex spherical type.
Further say, one end of the shell is opening, and the opening has the left terminal, the right-hand member
Sub, described bimetallic element, the fixed seat and the calibration block are packaged in the fluid sealant in the shell.
Further say, the calibration block connecting platform is connected with the calibration block.
Further say, be riveting contacts between the stationary contact and the left terminal.
Further say, be riveting contacts or welding between the movable contact and the bimetallic element.
The beneficial effects of the utility model are：
The utility model uses temperature correction block, presets under temperature environment, is extruded and calibrated by temperature correction equipment
Block header makes a reservation for, adjusted the operating temperature of bimetallic element, can greatly improve production efficiency, qualification rate, reduce production cost,
Reduce labor intensity.This small size overheat overcurrent protector due to it is compact-sized, overheated flow integrated, temperature can big model
Enclose low adjustment, manufacturing cost, efficiency high, qualification rate be high, shell can on demand from different materials, be active in one's movements, install
Simply, the advantages such as few installing space are only taken up, therefore the utility model patent small size overheat overcurrent protector is suitable for almost
The overheat of all spectra, overcurrent protection.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is top view of the present utility model；
Fig. 2 is front view of the present utility model；
Fig. 3 is the enlarged drawing in Fig. 2 A portions；
Each several part mark is as follows in accompanying drawing：
Shell 1, left terminal 2, right terminal 3, bimetallic element 4, fixed seat 5, calibration block 6, wire weld locating slot 7, consolidated
Reservation connecting hole 8, stationary contact 9, calibration block connecting platform 10, wire 11, movable contact 12, bimetallic element positioning hole 13, fixation
Seat locating slot 14, calibration block positioning boss 15, bimetallic upset stress coil 16 and fluid sealant 17.
Embodiment
Illustrate specific embodiment of the present utility model below by way of particular specific embodiment, those skilled in the art can
The advantages of the utility model is understood by content disclosed in the present specification easily and effect.The utility model can also it is other not
Same mode is practiced, i.e. under the scope of without departing substantially from disclosed in the utility model, can give different modification and change.
Embodiment：A kind of small size overheats overcurrent protector, as shown in Figure 1, Figure 2 and Figure 3, including shell 1 and positioned at institute
State left terminal 2, right terminal 3, bimetallic element 4, fixed seat 5 and the calibration block 6 in shell；
One end of the left terminal 2 is provided with wire welding locating slot 7, and centre is provided with fixed seat connecting hole 8, and another
End is provided with stationary contact 9；
One end of the right terminal 3 is provided with wire welding locating slot 7, and the other end is provided with calibration block connecting platform 10；
The left terminal 2, right terminal 3 and fixed seat 5 form fixed holder assembly, and each wire welding locating slot 7 is all
Connecting wire 11, one end of the bimetallic element 4 is provided with movable contact 12 and the other end has bimetallic element positioning hole 13,
One end of the fixed seat 5 is provided with fixed seat locating slot 14, and the downside of the calibration block 6 positions for downwardly convex calibration block
Boss 15, the bimetallic element 4 are placed on the calibration block positioning boss 15 of the calibration block 6 by bimetallic element positioning hole 13
Positioning is realized, the calibration block 6 and the bimetallic element 4 are real by the fixed seat locating slot 14 being arranged in the fixed seat
Now position and connect；The calibration block 6 is temperature correction block.
The fixed holder assembly be by the left terminal 2, the right terminal 3 and the fixed seat 5 by integrated injection molding into
The fixation holder assembly that type is process.
The fixed seat connecting hole 8 is provided with least one.
The bimetallic element is provided with bimetallic upset stress coil 16, and the bimetallic upset stress coil 16 is recessed
Spherical or convex spherical type.
One end of the shell 1 is opening, and the opening has the left terminal 2, right terminal 3, described double
Hardware 4, the fixed seat 5 and the calibration block 6 are packaged in the fluid sealant 17 in the shell.
The calibration block connecting platform 10 is connected with the calibration block 6.
It is riveting contacts between the stationary contact 9 and the left terminal 2.
It is riveting contacts or welding between the movable contact 12 and the bimetallic element 4, can be selected according to customer demand
Select riveting contacts or welding.
Operation principle and the course of work of the present utility model are as follows：
The utility model in circuit, is external or internal to load internal use, had both been temperature sensitivity response using series connection
Element is used as current sense response element again, when the medium temperature or electric current of load have reached the specified disconnection temperature of bimetallic element
During angle value, bimetallic element action, load power source is cut off, load is stopped；When under bimetallic element ambient temperature
When dropping to the specified reset temperature of bimetallic element, bimetallic element homing action, being again switched on load power source makes its work；
In order to ensure that the good welds of bimetallic element and dynamic and static contact are concentric, positioning and weldering are provided with calibration block
The calibration block positioning boss connect, is provided with bimetallic element positioning hole on bimetallic element, is provided with fixed holder assembly
Fixed seat locating slot, had both enhanced the firm welding of fixed holder assembly, bimetallic element, calibration block, added dynamic and static touch again
Point concentricity, ensure that the good stability of product, durability；Cold and hot friendship of the product in use due to temperature can more be prevented
Become, metal material flexural deformation and change the initial value temperature of product, product wild effect is occurred.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other related technologies
Field, similarly it is included in scope of patent protection of the present utility model.
Claims (8)
1. a kind of small size overheats overcurrent protector, it is characterised in that：Left terminal, the right side including shell and in the shell
Terminal, bimetallic element, fixed seat and calibration block；
One end of the left terminal is provided with wire welding locating slot, and centre is provided with fixed seat connecting hole, and the other end is set
There is stationary contact；
One end of the right terminal is provided with wire welding locating slot, and the other end is provided with calibration block connecting platform；
The left terminal, right terminal and fixed seat form fixed holder assembly, and each wire welds locating slot all connecting wires,
One end of the bimetallic element is provided with movable contact and the other end has bimetallic element positioning hole, one end of the fixed seat
It is provided with fixed seat locating slot, the downside of the calibration block is downwardly convex calibration block positioning boss, the bimetallic element
The calibration block positioning boss that the calibration block is placed on by bimetallic element positioning hole realizes positioning, the calibration block and described double
Hardware realizes positioning and connection by the fixed seat locating slot being arranged in the fixed seat；The calibration block is temperature school
Quasi- block.
2. small size according to claim 1 overheats overcurrent protector, it is characterised in that：The fixed holder assembly is by institute
State the fixation holder assembly that left terminal, the right terminal and the fixed seat are process by integrated injection molding.
3. small size according to claim 1 overheats overcurrent protector, it is characterised in that：The fixed seat connecting hole is provided with
It is at least one.
4. small size according to claim 1 overheats overcurrent protector, it is characterised in that：The bimetallic element is provided with
Bimetallic overturns stress coil, and the bimetallic upset stress coil is concave-sphere type or convex spherical type.
5. small size according to claim 1 overheats overcurrent protector, it is characterised in that：One end of the shell is to open
Mouthful, the opening has the left terminal, the right terminal, the bimetallic element, the fixed seat and the calibration
Block is packaged in the fluid sealant in the shell.
6. small size according to claim 1 overheats overcurrent protector, it is characterised in that：The calibration block connecting platform with
The calibration block connection.
7. small size according to claim 1 overheats overcurrent protector, it is characterised in that：The stationary contact and the left end
It is riveting contacts between son.
8. small size according to claim 1 overheats overcurrent protector, it is characterised in that：The movable contact and double gold
It is riveting contacts or welding between category element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720557274.XU CN206697414U (en) | 2017-05-19 | 2017-05-19 | Small size overheats overcurrent protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720557274.XU CN206697414U (en) | 2017-05-19 | 2017-05-19 | Small size overheats overcurrent protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206697414U true CN206697414U (en) | 2017-12-01 |
Family
ID=60448408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720557274.XU Expired - Fee Related CN206697414U (en) | 2017-05-19 | 2017-05-19 | Small size overheats overcurrent protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206697414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321009A (en) * | 2018-01-30 | 2018-07-24 | 苏州聚生精密冲件有限公司 | The riveting contact pedestal of temperature mode thermal protector |
-
2017
- 2017-05-19 CN CN201720557274.XU patent/CN206697414U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321009A (en) * | 2018-01-30 | 2018-07-24 | 苏州聚生精密冲件有限公司 | The riveting contact pedestal of temperature mode thermal protector |
| CN108321009B (en) * | 2018-01-30 | 2024-05-17 | 苏州聚生精密冲件有限公司 | Riveting contact base of temperature type thermal protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20200519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |