CN206505868U - Moment superhigh temperature overcurrent protective device - Google Patents
Moment superhigh temperature overcurrent protective device Download PDFInfo
- Publication number
- CN206505868U CN206505868U CN201720238860.8U CN201720238860U CN206505868U CN 206505868 U CN206505868 U CN 206505868U CN 201720238860 U CN201720238860 U CN 201720238860U CN 206505868 U CN206505868 U CN 206505868U
- Authority
- CN
- China
- Prior art keywords
- movable contact
- lead
- thermal sensitive
- sensitive piece
- contact spring
- 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
Links
Abstract
The utility model discloses a kind of moment superhigh temperature overcurrent protective device, it is arranged on the pyrotoxin of equipment, including：Lead-in, lead-out wire, base, thermal sensitive piece, movable contact spring and movable contact, thermal sensitive piece is contacted with pyrotoxin, lead-in is connected with base, one end of movable contact spring is connected with base, and the other end is provided with movable contact, together with movable contact is releasably attached to lead-out wire, thermal sensitive piece is below movable contact spring, when the temperature for the pyrotoxin that thermal sensitive piece is perceived exceedes design temperature, thermal sensitive piece can upspring the one end of movable contact spring provided with movable contact so that movable contact is disconnected with lead-out wire.The utility model is that one kind can cut off the electricity supply rapidly; so as to accomplish quick protection effectively, electrical equipment will not be damaged by any, and with self-healing function; with the volume limit reset temperature reduction set, the moment superhigh temperature overcurrent protective device worked again and again.
Description
Technical field
The utility model is related to high temperature overcurrent protective device, more particularly to a kind of moment superhigh temperature overcurrent protective device.
Background technology
Although current electrical equipment, which has, installs conventional heating wire fuse protecting device, sensitivity far can not be met
It is international and domestic to recover again to household electrical appliance and the degree of protection of industrial electrical equipment, and after conventional heating wire fusing fusing
State originally, then this Novel practical Kick type protection device uses double thermometal pieces, its reaction speed is fast, when
Rapid protection of cutting off the electricity supply when temperature reaches volume limit temperature, and this device also has progress overload protection simultaneously, when equipment work
When electric current exceedes present apparatus rated current, the present apparatus can rapidly cut off the electricity supply, so that effective accomplish quick protection, allow electricity
Device will not be damaged by any, and the present apparatus has self-healing function, and it can be reduced with the volume limit reset temperature set,
The work gone round and begun again.
Utility model content
The purpose of this utility model, which is to provide one kind, to cut off the electricity supply rapidly, so as to accomplish quick guarantor effectively
Shield, electrical equipment will not be damaged by any, and with self-healing function, with the volume limit reset temperature reduction set,
The moment superhigh temperature overcurrent protective device worked again and again.
To achieve these goals, the technical scheme of the utility model offer is：A kind of moment superhigh temperature excessively stream is provided to protect
Protection unit, is arranged on the pyrotoxin of equipment, including：Lead-in, lead-out wire, base, thermal sensitive piece, movable contact spring and movable contact, institute
State thermal sensitive piece to contact with the pyrotoxin, the lead-in is connected with the base, one end of the movable contact spring and the base
Connection, the other end is provided with the movable contact, together with the movable contact is releasably attached to the lead-out wire, the thermal sensitive piece
Below the movable contact spring, when the temperature for the pyrotoxin that the thermal sensitive piece is perceived exceedes design temperature, the thermal sensitive piece
The one end of the movable contact spring provided with the movable contact can be upspring so that the movable contact is disconnected with the lead-out wire.
Also include plastic cement chock, the plastic cement chock is located at the position of the one end of the movable contact spring provided with the movable contact
Place, allows the movable contact spring to drive the movable contact to be moved in the position range that the plastic cement chock is limited.
Also include PBT plastic shell, be provided with U-type groove in the PBT plastic shell, the lead-in, lead-out wire, base,
Thermal sensitive piece, movable contact spring, movable contact and plastic cement chock are all provided with the U-type groove.
Also include epoxy resin layer, blocked by the epoxy resin layer at the opening of the U-type groove, and described draw
Enter line and lead-out wire and then pass through the epoxy resin layer.
Compared with prior art, due in the utility model moment superhigh temperature overcurrent protective device, including：Lead-in,
Lead-out wire, base, thermal sensitive piece, movable contact spring and movable contact, the lead-in are connected with the base, one end of the movable contact spring with
Base connection, the other end is provided with the movable contact, together with the movable contact is releasably attached to the lead-out wire, institute
Thermal sensitive piece is stated below the movable contact spring, when temperature exceedes design temperature, the movable contact spring can be provided with by the thermal sensitive piece
Upspring one end of the movable contact so that the movable contact is disconnected with the lead-out wire.The utility model one kind can be fast
Speed is cut off the electricity supply, so as to accomplish quick protection effectively, electrical equipment will not be damaged by any, and with self-healing
Function, with the volume limit reset temperature reduction set, the moment superhigh temperature overcurrent protective device worked again and again.
By following description and with reference to accompanying drawing, the utility model will become more fully apparent, and these accompanying drawings are used to explain this
The embodiment of utility model.
Brief description of the drawings
Fig. 1 is view of the utility model moment superhigh temperature overcurrent protective device in conducting state.
Fig. 2 is the view of moment superhigh temperature overcurrent protective device as shown in Figure 1 in off-state.
Embodiment
Element numbers similar in embodiment of the present utility model, accompanying drawing, which are described, with reference now to accompanying drawing represents similar member
Part.As described above, as illustrated in fig. 1 and 2, the moment superhigh temperature overcurrent protective device 100 that the utility model embodiment is provided is set
On the pyrotoxin of equipment, including：Lead-in 1, lead-out wire 2, base 3, thermal sensitive piece 4, movable contact spring 5 and movable contact 6, the temperature-sensitive
Piece 4 is contacted with the pyrotoxin, and the lead-in 1 is connected with the base 3, and one end of the movable contact spring 5 connects with the base 3
Connect, the other end is provided with the movable contact 6, together with the movable contact 6 is releasably attached to the lead-out wire 2, the temperature-sensitive
Piece 4 is located at the lower section of movable contact spring 5, when the temperature for the pyrotoxin that the thermal sensitive piece 4 is perceived exceedes design temperature, the sense
Warm piece 4 can upspring the one end of the movable contact spring 5 provided with the movable contact 6 so that the movable contact 6 breaks with the lead-out wire 2
Open connection.
As illustrated in fig. 1 and 2, plastic cement chock 7 is also included, the plastic cement chock 7 is located at the movable contact spring 5 provided with described dynamic
At the position of one end of contact 6, the position range for allowing the movable contact spring 5 to drive the movable contact 6 to be limited in the plastic cement chock 7
Interior motion.
As illustrated in fig. 1 and 2, in addition to PBT plastic shell 8, it is described to draw provided with U-type groove 8a in the PBT plastic shell 8
Enter line 1, lead-out wire 2, base 3, thermal sensitive piece 4, movable contact spring 5, movable contact 6 and plastic cement chock 7 in the U-type groove 8a.
As illustrated in fig. 1 and 2, in addition to epoxy resin layer 9, the epoxy resin layer 9 is passed through at the opening of the U-type groove 8a
Blocked, and the lead-in 1 and lead-out wire 2 then pass through the epoxy resin layer 9.
In embodiment of the present utility model, the material of the base 3 is 62H brass, and the material of movable contact spring 5 is blue or green for beryllium
Copper, the material of thermal sensitive piece 4 is bimetal leaf, and the material of movable contact 6 is AgNi10, and the material of plastic cement chock 7 is bakelite.
Compared with prior art, with reference to Fig. 1 and 2, due in the utility model moment superhigh temperature overcurrent protective device 100
In, including：Lead-in 1, lead-out wire 2, base 3, thermal sensitive piece 4, movable contact spring 5 and movable contact 6, the thermal sensitive piece 4 and the heating
Source is contacted, and the lead-in 1 is connected with the base 3, and one end of the movable contact spring 5 is connected with the base 3, and the other end is provided with
The movable contact 6, together with the movable contact 6 is releasably attached to the lead-out wire 2, the thermal sensitive piece 4 is located at described dynamic
The lower section of reed 5, when temperature exceedes design temperature, the movable contact spring 5 can be provided with the one of the movable contact 6 by the thermal sensitive piece 4
Upspring at end so that the movable contact 6 is disconnected with the lead-out wire 2.The utility model one kind can cut off the electricity supply rapidly, from
And accomplish quick protection effectively, electrical equipment will not be damaged by any, and with self-healing function, with having set
Fixed volume limit reset temperature reduction, the moment superhigh temperature overcurrent protective device worked again and again.
Above disclosed is only preferred embodiment of the present utility model, can not limit this practicality with this certainly new
The interest field of type, therefore the equivalent variations made according to present utility model application the scope of the claims, still belong to the utility model and are covered
Scope.
Claims (4)
1. a kind of moment superhigh temperature overcurrent protective device, is arranged on the pyrotoxin of equipment, it is characterised in that including：Lead-in,
Lead-out wire, base, thermal sensitive piece, movable contact spring and movable contact, the thermal sensitive piece are contacted with the pyrotoxin, the lead-in with it is described
Base is connected, and one end of the movable contact spring is connected with the base, the other end provided with the movable contact, the movable contact with it is described
Lead-out wire is releasably attached to together, and the thermal sensitive piece is below the movable contact spring, the institute perceived when the thermal sensitive piece
When the temperature for stating pyrotoxin exceedes design temperature, the movable contact spring can be provided with one end bullet of the movable contact by the thermal sensitive piece
Rise so that the movable contact is disconnected with the lead-out wire.
2. moment superhigh temperature overcurrent protective device as claimed in claim 1, it is characterised in that：Also include plastic cement chock, institute
Plastic cement chock is stated at the position of the one end of the movable contact spring provided with the movable contact, allows the movable contact spring to drive described dynamic tactile
Point is moved in the position range that the plastic cement chock is limited.
3. moment superhigh temperature overcurrent protective device as claimed in claim 2, it is characterised in that：Also include PBT plastic shell, institute
State and U-type groove, the lead-in, lead-out wire, base, thermal sensitive piece, movable contact spring, movable contact and plastic plug are provided with PBT plastic shell
Block is in the U-type groove.
4. moment superhigh temperature overcurrent protective device as claimed in claim 3, it is characterised in that：Also include epoxy resin layer, institute
State at the opening of U-type groove and to be blocked by the epoxy resin layer, and the lead-in and lead-out wire then pass through the epoxy
Resin bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720238860.8U CN206505868U (en) | 2017-03-13 | 2017-03-13 | Moment superhigh temperature overcurrent protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720238860.8U CN206505868U (en) | 2017-03-13 | 2017-03-13 | Moment superhigh temperature overcurrent protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206505868U true CN206505868U (en) | 2017-09-19 |
Family
ID=59832941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720238860.8U Expired - Fee Related CN206505868U (en) | 2017-03-13 | 2017-03-13 | Moment superhigh temperature overcurrent protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206505868U (en) |
-
2017
- 2017-03-13 CN CN201720238860.8U patent/CN206505868U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2571607C (en) | Safety plug suitable for the connection to an electric current outlet | |
| US9843145B2 (en) | Thermal safety plug for an electric appliance | |
| CN203733715U (en) | Multifunctional motor protector | |
| CN202758812U (en) | A current and temperature dual protector | |
| TW201214492A (en) | Switch module | |
| US20170222426A1 (en) | Surge protection device with an independent chamber comprising a fuse for overcurrent protection | |
| CN206505868U (en) | Moment superhigh temperature overcurrent protective device | |
| CN110071020A (en) | A kind of current overload auto-cutout protector | |
| CN2585394Y (en) | Hot fusiable cut-out protector | |
| CN105449635A (en) | Electric leakage protector with overtemperature protection device | |
| CN203932973U (en) | Earth leakage protective device | |
| TW201546857A (en) | Current overload protection switch having lightning protection function | |
| CN103578850B (en) | Protector for electric machine | |
| CN202108684U (en) | Air-conditioner compressor with protector for motor and air-conditioner | |
| CN205544253U (en) | Two disconnect -type piezo -resistor or gas discharge tube surge protector | |
| CN203588936U (en) | Heat protector | |
| CN208507604U (en) | A kind of current over-load protector | |
| CN202888538U (en) | Manual reset overload overtemperature protection plug | |
| CN201584365U (en) | Overheating and overload protector | |
| CN105591253A (en) | Plug and socket having fireproof protection apparatus | |
| CN203588934U (en) | Multifunctional motor protector | |
| CN204303679U (en) | A kind of sealing thermal protector | |
| CN204243387U (en) | There is the plug and socket of flameproof protection device | |
| CN204391428U (en) | There is the plug and socket of flameproof protection device | |
| CN207925396U (en) | A kind of overheat protector for crossing thermal cutoff self-sustaining and manual power-off restoration |
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: 20170919 Termination date: 20190313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |