CN206584866U - Instantaneous heating body excess temperature Manual reset protector - Google Patents
Instantaneous heating body excess temperature Manual reset protector Download PDFInfo
- Publication number
- CN206584866U CN206584866U CN201720297384.7U CN201720297384U CN206584866U CN 206584866 U CN206584866 U CN 206584866U CN 201720297384 U CN201720297384 U CN 201720297384U CN 206584866 U CN206584866 U CN 206584866U
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- China
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- ceramic
- bit terminal
- filling
- movable contact
- bimetal leaf
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Abstract
Instantaneous heating body excess temperature Manual reset protector, being arranged in heating element template prevents heating element template dry combustion method, including left filling-in bit terminal, right filling-in bit terminal, ceramic shell, hand push rod, movable contact, stationary contact, ceramic leading truck, ceramic push rod, spring and bimetal leaf, left filling-in bit terminal and right filling-in bit terminal are electrically connected with heating element template respectively, bimetal leaf is abutted against with a hot device template, left filling-in bit terminal, stationary contact, movable contact, right filling-in bit terminal and heating element template formation closure or the conductive loops disconnected, instantaneous heating body excess temperature Manual reset protector can sense temperature rise rapidly using the structure of the technical program and the bimetal leaf with thermosensitive response, when reaching the limiting temperature of anti-dry, bimetal leaf can turn over jump rapidly, immediately heater circuit is disconnected, ensure thick mould power in normal range (NR), prevent quick-fried mould, and it is easy for installation, cost is low, long lifespan, set hand push rod can be with hand-reset after movable contact resets and failed.
Description
Technical field
The utility model is related to temperature control field, and in particular to a kind of instantaneous heating body excess temperature Manual reset protector.
Background technology
Current industry mainly uses NTC thermistor, because thermistor is to change power with resistance, and NTC has outside
The function that resistance diminishes when temperature is raised, so as to reduce bearing power, reaches control circuit board temperature action, but due to NTC senses
Answer temperature slow, need the regular hour from contact point to whole NTC heat transfers, it is impossible to sense temperature in real time；Easily by external electrical
Magnetic interference；The easy aging of component simultaneously, influences the life-span, causes quick-fried mould.
Utility model content
The purpose of this utility model is to overcome the shortcomings of that prior art has that there is provided a kind of instantaneous heating body excess temperature hand
Dynamic reset protector is that heter temperature changes reaction speed soon, and long lifespan, prevents quick-fried mould phenomenon.
The purpose of this utility model is achieved by the following technical solution：
Instantaneous heating body excess temperature Manual reset protector, being arranged in heating element template prevents heating element template dry combustion method,
Pushed away including left filling-in bit terminal, right filling-in bit terminal, ceramic shell, hand push rod, movable contact, stationary contact, ceramic leading truck, ceramics
Bar, spring and bimetal leaf, the hand push rod are arranged at the ceramic shell central upper portion position and positioned at described dynamic tactile
Point top, one end riveted of the movable contact and movable contact spring, one end of the other end of the movable contact spring and the right filling-in bit terminal
By short rivet riveted in the ceramic shell, one end riveted of the stationary contact and static contact, the other end of the static contact
With one end of the left filling-in bit terminal by long closing-up in the ceramic shell, the ceramic leading truck is arranged at the pottery
Below porcelain housing, the ceramic push rod is arranged at the ceramic leading truck center, and the ceramic push rod top passes through the stationary contact
Point is simultaneously abutted against with the movable contact spring bottom surface, and the ceramic push rod bottom is abutted against through the spring with the bimetal leaf,
The bottom surface of the ceramic leading truck and the ceramic shell underrun stainless steel cover riveted, the bimetal leaf is overlapped in described
Stainless steel cover, the both ends of the spring is abutted against with the ceramic leading truck and the bimetal leaf respectively, the left filling-in bit terminal
It is electrically connected with respectively with the heating element template with the right filling-in bit terminal, the bimetal leaf offsets with the heating element template
Connect, it is the left filling-in bit terminal, the long rivet, the static contact, the stationary contact, the movable contact, the movable contact spring, described
Short rivet, the right filling-in bit terminal and heating element template formation closure or the conductive loops disconnected.
Further, the ceramic shell is in convex shape, bottom surface hollow out.
Further, the left filling-in bit terminal and the right filling-in bit terminal are in in-line.
Further, the left filling-in bit terminal is distributed with the right filling-in bit terminal with the Central Symmetry of the ceramic shell,
And it is riveted on the top surface of the ceramic shell.
Further, the ceramic leading truck is in convex shape, bottom surface hollow out.
Further, the bimetal leaf is downwardly projecting in the 0.1~1mm of stainless steel cover bottom surface.
Further, using with thermosensitive response and the bimetal leaf for turning over jump function.
The beneficial effect of technical solutions of the utility model is：
Instantaneous heating body excess temperature Manual reset protector is using the structure of the technical program and with thermosensitive response
Bimetal leaf can sense temperature rise rapidly, when reaching the limiting temperature of anti-dry, and bimetal leaf can turn over jump rapidly, disconnect immediately
Heater circuit, temperature can be sensed in time, and reaction is fast, temperature is reflected in real time, it is ensured that thick mould power prevents quick-fried in normal range (NR)
Mould, and it is easy for installation, cost is low, long lifespan.Set hand push rod can be with hand-reset after movable contact resets and failed.
Brief description of the drawings
Fig. 1 is the longitudinal sectional view of instantaneous heating body excess temperature Manual reset protector；
Fig. 2 is the upward view of instantaneous heating body excess temperature Manual reset protector.
Reference
The left filling-in bit terminals of 1-, 2- ceramic shells, 3- stainless steel covers, the long rivets of 4-, 5- movable contacts, 6- movable contact springs, the short rivetings of 7-
Nail, 8- static contacts, 9- stationary contacts, 10- ceramics push rods, 11- springs, 12- bimetal leafs, the right filling-in bit terminals of 13-, 14- ceramics are led
To frame, 15- heating element templates, 16- hand push rods.
Embodiment
To make technological means, creation characteristic, reached purpose and effect that the utility model is realized be readily apparent from understanding, below
With reference to embodiment, the utility model is expanded on further.
Special instruction, the position relationship of technical scheme description is the relative position relation based on accompanying drawing, is easy to pair
The understanding of technical scheme, not actual position relationship, is not limited to this and describes relation.
As illustrated in fig. 1 and 2, instantaneous heating body excess temperature Manual reset protector, being arranged in heating element template 15 prevents
The dry combustion method of heating element template 15, including it is left filling-in bit terminal 1, right filling-in bit terminal 13, ceramic shell 2, hand push rod 16, movable contact 5, quiet
Contact 9, ceramic leading truck 14, ceramic push rod 10, spring 11 and bimetal leaf 12, hand push rod 16 are arranged on ceramic shell 2
Portion center and gap is left between the top of movable contact 5, hand push rod 16 and movable contact 5 preferably, movable contact 5 with
One end of one end riveted of movable contact spring 6, the other end of movable contact spring 6 and right filling-in bit terminal 13 is by the riveted of short rivet 7 in ceramic case
Body 2, one end riveted of stationary contact 9 and static contact 8, one end of the other end of static contact 8 and left filling-in bit terminal 1 passes through long rivet 4
Riveted is arranged at below ceramic shell 2 in ceramic shell 2, ceramic leading truck 14, and ceramic push rod 10 is arranged at ceramic leading truck 14
Center, the ceramic top of push rod 10 is abutted against through stationary contact 9 and with the bottom surface of movable contact spring 6, and the ceramic bottom of push rod 10 passes through spring 11
Abutted against with bimetal leaf 12, bottom surface and the riveted of 2 underrun stainless steel cover of ceramic shell 3, bimetallic of ceramic leading truck 14
Piece 12 is overlapped in stainless steel cover 3, and the two ends of spring 11 are abutted against with ceramic leading truck 14 and bimetal leaf 12 respectively, left filling-in bit terminal
1 and right filling-in bit terminal 13 be electrically connected with respectively with heating element template 15, bimetal leaf 12 is abutted against with heating element template 15, a left side insert
Piece terminal 1, long rivet 4, static contact 8, stationary contact 9, movable contact 5, movable contact spring 6, short rivet 7, right filling-in bit terminal 13 and heating element
The formation of template 15 closure or the conductive loops disconnected.
It is preferred that, ceramic shell 2 is in convex shape, bottom surface hollow out.
It is preferred that, left filling-in bit terminal 1 is in in-line with, right filling-in bit terminal 13.
It is preferred that, left filling-in bit terminal 1 is distributed with right filling-in bit terminal 13 with the Central Symmetry of ceramic shell 2, and is riveted on
The top surface of ceramic shell 2.
It is preferred that, ceramic leading truck 14 is in convex shape, bottom surface hollow out.
It is preferred that, bimetal leaf 12 is downwardly projecting in stainless steel cover 3 0.1~1mm of bottom surface, preferably 0.2~0.3mm.
It is preferred that, bimetal leaf 12 is using with thermosensitive response and the metal material for turning over jump function.
It is preferred that, in order to increase electric conductivity movable contact 5 and the silver-plated process of stationary contact 9, movable contact spring 6 and static contact 8 are used
By the good beryllium copper of shape setting heat treatments elasticity.
Embodiment is that the protector is arranged in heating element template 15, using flexible left filling-in bit terminal 1
It is fixed on right filling-in bit terminal 13 in heating element template 15；Bimetal leaf 12 is ejected the also firm contact of stainless steel cover 3 by spring 11
In heating element template 15, when the temperature of heating element template 15 rises, the bimetal leaf 12 with thermosensitive response can sense rapidly
To temperature rise, when reaching the limiting temperature of anti-dry, bimetal leaf 12 can turn over jump rapidly, and ceramic push rod 10 is down ejected, will
The normally closed top of movable contact 5 is opened, and is separated with stationary contact 9, is switched to normally open, left filling-in bit terminal 1 and right filling-in bit terminal now
13 conductive loops being connected with external loading disconnect, and heating load stops this work, and maximum temperature-rise stops, and reach protection circuit plate member
The effect of device, prevents from burning out the function element of wiring board, and the temperature of heating element template 15 is reduced under the design temperature of protector
Limit, bimetal leaf 12 senses temperature drop and sprung back to and abutted against with heating element template 15, the past whereabouts of ceramic push rod 10, movable contact spring 6
Movable contact 5 is sprung back to and abutted with stationary contact 8, closure state, left filling-in bit terminal 1 and right filling-in bit terminal 13 and heating element is switched to
The circuit closed of template 15, it would however also be possible to employ manual mode, pressing hand push rod 16 forces movable contact 5 to be moved downward to and stationary contact
Point 9 is abutted against, and forms closed-loop path, and heating starts, so circulation, until power-off.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. instantaneous heating body excess temperature Manual reset protector, being arranged in heating element template prevents heating element template dry combustion method, bag
Include left filling-in bit terminal, right filling-in bit terminal, ceramic shell, hand push rod, movable contact, stationary contact, ceramic leading truck, ceramic push rod,
Spring and bimetal leaf, it is characterised in that the hand push rod is arranged at the ceramic shell central upper portion position and is located at
The movable contact top, one end riveted of the movable contact and movable contact spring, the other end of the movable contact spring and the right inserted sheet end
One end of son is by short rivet riveted in the ceramic shell, one end riveted of the stationary contact and static contact, the static contact
The other end and the left filling-in bit terminal one end by long closing-up in the ceramic shell, the ceramic leading truck is set
Below the ceramic shell, the ceramic push rod is arranged at the ceramic leading truck center, and the ceramic push rod top is passed through
The stationary contact is simultaneously abutted against with the movable contact spring bottom surface, and the ceramic push rod bottom passes through the spring and the bimetal leaf
Abut against, the bottom surface of the ceramic leading truck and the ceramic shell underrun stainless steel cover riveted, the bimetal leaf are taken
The stainless steel cover is connected to, the both ends of the spring is abutted against with the ceramic leading truck and the bimetal leaf respectively, the left side
Filling-in bit terminal and the right filling-in bit terminal are electrically connected with the heating element template respectively, the bimetal leaf and the heating element
Template is abutted against, the left filling-in bit terminal, the long rivet, the static contact, the stationary contact, the movable contact, described dynamic
Reed, the short rivet, the right filling-in bit terminal and heating element template formation closure or the conductive loops disconnected.
2. instantaneous heating body excess temperature Manual reset protector according to claim 1, it is characterised in that the ceramic case
Body is in convex shape, bottom surface hollow out.
3. instantaneous heating body excess temperature Manual reset protector according to claim 1, it is characterised in that the left inserted sheet
Terminal is in in-line with the right filling-in bit terminal.
4. instantaneous heating body excess temperature Manual reset protector according to claim 1, it is characterised in that the left inserted sheet
Terminal is distributed with the right filling-in bit terminal with the Central Symmetry of the ceramic shell, and is riveted on the top of the ceramic shell
Face.
5. instantaneous heating body excess temperature Manual reset protector according to claim 1, it is characterised in that the ceramics are led
It is in convex shape, bottom surface hollow out to frame.
6. instantaneous heating body excess temperature Manual reset protector according to claim 1, it is characterised in that the bimetallic
Piece is downwardly projecting in the 0.1~1mm of stainless steel cover bottom surface.
7. instantaneous heating body excess temperature Manual reset protector according to claim 1, it is characterised in that hot using having
Quick reaction and the bimetal leaf for turning over jump function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720297384.7U CN206584866U (en) | 2017-03-24 | 2017-03-24 | Instantaneous heating body excess temperature Manual reset protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720297384.7U CN206584866U (en) | 2017-03-24 | 2017-03-24 | Instantaneous heating body excess temperature Manual reset protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206584866U true CN206584866U (en) | 2017-10-24 |
Family
ID=60114039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720297384.7U Active CN206584866U (en) | 2017-03-24 | 2017-03-24 | Instantaneous heating body excess temperature Manual reset protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206584866U (en) |
-
2017
- 2017-03-24 CN CN201720297384.7U patent/CN206584866U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |