CN208127116U - A kind of power-off restoration waterproof bimetal strip thermostat - Google Patents
A kind of power-off restoration waterproof bimetal strip thermostat Download PDFInfo
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- CN208127116U CN208127116U CN201820015919.1U CN201820015919U CN208127116U CN 208127116 U CN208127116 U CN 208127116U CN 201820015919 U CN201820015919 U CN 201820015919U CN 208127116 U CN208127116 U CN 208127116U
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- leading truck
- waterproof
- contact component
- restoration
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Abstract
The utility model discloses a kind of power-off restoration waterproof bimetal strip thermostats, it mainly include fixed contact component and moving contact component, first terminal and Second terminal, capping, bimetal leaf, actuating strut, sleeve, lead, sealant and leading truck, leading truck is equipped with location hole, leading truck is printed with thermosensitive resistor film, and the input terminal and output end of the thermosensitive resistor film pass through the first spring and second spring and moving contact component respectively and fixed contact component is electrically connected.The utility model heat transfer time is short, high sensitivity, does not influence installation and appearance; temperature protection effect is more preferable, and has waterproof and dampproof characteristic, more secure and reliable; it is more suitable for low temperature and moisture use environment, the setting of location hole further improves the security reliability of temperature controller.
Description
Technical field
The utility model relates to temperature controller fields, and in particular to a kind of power-off restoration waterproof bimetal strip thermostat.
Background technique
Traditional bimetal strip thermostat realizes electricity by bimetal leaf deformation caused by temperature change in the form of kick
The connection and disconnection on road, a period of time after circuit disconnects, the temperature of bimetal leaf is back to normal, and temperature controller then can automatic switching on
Circuit.
However, above-mentioned temperature controller has a single function, do not have water-proof function, use scope is limited, if fault is not yet examined
It surveys and excludes, then there is security risk, not only bad for the service life of load equipment, be less useful for the person of operation service personnel
Safety.It is existing to maintain the scheme of bimetallic temperature by introducing thermosensitive resistor film fever, also still remain above-mentioned deficiency.
Summary of the invention
To overcome deficiencies of the prior art, the utility model provides a kind of power-off restoration waterproof bimetal leaf temperature
Device is controlled, temperature protection effect is more preferable and has fire resistance characteristic, protects to more secure and reliable load equipment and operation service personnel.This
Utility model is achieved through the following technical solutions：A kind of power-off restoration waterproof bimetal strip thermostat, including:Ceramic shell, peace
Loaded in ceramic shell fixed contact component and moving contact component, be installed on ceramic shell exterior bottom and respectively with moving contact group
The first terminal and Second terminal, clamp that part and fixed contact component are electrically connected are led in the leading truck on ceramic shell top, encapsulation
To frame and it is fixed on the capping on ceramic shell top, the bimetal leaf and one end that are limited between leading truck and capping and double
Sheet metal abuts, the insulation actuating strut that abuts with moving contact component of leading truck and the other end is run through at middle part, further include sleeve with
Lead is sheathed on to the sleeve seal outside of the ceramic shell lower part, and the lead is drawn out of described sleeve, and
One end of the lead is connect with the first terminal, the Second terminal respectively, and the other end of the lead is for connecting electricity
Source, the lead is pierced by the sleeve to be sealed by sealant, and the leading truck is provided there are two location hole, the leading truck
It is additionally provided with thermosensitive resistor film, the input terminal and output end of the thermosensitive resistor film pass through the first spring and second spring and dynamic touching respectively
Head assembly and fixed contact component are electrically connected.
Further, the inner top surface of the capping is coated with insulated heat material layer.
Further, the thermosensitive resistor film is printed in the bottom of the leading truck.
Further, the leading truck further includes annular groove, and the thermosensitive resistor film is located at the annular groove.
Further, the surface of the thermosensitive resistor film further includes conducting surface, and the thermosensitive resistor film is in the conducting surface
It has also provided and has connected hole, for connecting one end of first spring and second spring electrically with the thermosensitive resistor film respectively
It connects.
Further, first, second terminal and dynamic, the fixed contact component pass through the first rivet and the second riveting respectively
Nail is electrically connected and fixes, and first, second rivet is respectively equipped with installation at the top of dynamic, the fixed contact assembly end and fixes
The card slot of the first, second spring other end.
Further, the middle part of first, second spring is in general conical.
Further, the sealant is epoxide-resin glue.
The utility model passes through the setting of sleeve, location hole and thermosensitive resistor film, and heat transfer time is short, high sensitivity,
Installation and appearance are not influenced, temperature protection effect is more preferable, and has waterproof and dampproof characteristic, and more secure and reliable is more suitable for low temperature
The setting of moist use environment, location hole further improves the security reliability of temperature controller.
Detailed description of the invention
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is the longitudinal cross-section schematic diagram one of the utility model embodiment；
Fig. 2 is the longitudinal cross-section schematic diagram two of the utility model embodiment；
Fig. 3 is the main view of the utility model embodiment thermosensitive resistor film；
Fig. 4 is the main view of the utility model embodiment leading truck；
Fig. 5 is the main view of Fig. 3 and Fig. 4 assembled state.
Corresponding as follows, the ceramic shell 1 of each label, fixed touching plate 2, movable contact spring 3, movable contact 4, leading truck 5, spacing bayonet in figure
51, location hole 52, pilot hole 53, annular groove 54, capping 6, actuating strut 7, bimetal leaf 8, fixed contact 9, mounting bracket 10, sleeve
11, epoxide-resin glue 12, lead 13, second spring 14, the first spring 15, first terminal 16, Second terminal 17, the second rivet
18, the first rivet 19, thermistor 161, conducting surface 17 connects hole 171.
Specific embodiment
With reference to the accompanying drawing and the utility model is further described in embodiment：
A kind of power-off restoration waterproof bimetal strip thermostat, as shown in Figs. 1-5, including ceramic shell 1, it is installed on ceramic case
Fixed contact component 2 and moving contact component 3 in body 1, be installed on 1 exterior bottom of ceramic shell and respectively with moving contact component 3 and
The first terminal 16 and Second terminal 17 that fixed contact component 2 is electrically connected, clamp are in the leading truck 5 on 1 top of ceramic shell, encapsulation
Leading truck 5 and the capping 6 for being fixed on 1 top of ceramic shell, the bimetal leaf 8 being limited between leading truck 5 and capping 6, and
One end abuts with bimetal leaf 8, middle part in pilot hole 53 through leading truck 5 and the other end abut with moving contact component 3 it is exhausted
Edge actuating strut 7.
Sleeve 11 is hermetically sheathed on the outside of 1 lower part of ceramic shell, and lead 13 is drawn out of sleeve 11, and lead 13
One end connect respectively with first terminal 16, Second terminal 17, for connecting power supply, lead 13 is pierced by set for the other end of lead 13
It is sealed at cylinder 11 by epoxide-resin glue 12.
Leading truck 5 is preferably insulating heat-conductive ceramics leading truck, and leading truck 5 is provided there are two location hole 52, and leading truck 5 is also set
There is thermosensitive resistor film, the input terminal and output end of the thermosensitive resistor film pass through the first spring 15 and second spring 14 and dynamic touching respectively
Head assembly 3 and fixed contact component 2 are electrically connected.
In use, can be fixed by mounting bracket 10, the exit of lead 13 connects load circuit.
Specifically, moving contact component 3 includes movable contact 4, and fixed contact component 2 includes fixed contact 9.When normal use, first
It connects and is connected between terminal 16, moving contact component 3, fixed contact component 2 and Second terminal 17, at movable contact 4 and fixed contact 9
In contact connected state.When electrical appliance heater generates heat, heat is conducted to bimetal leaf 8 (bimetal leaf 8 is preferably circular), double
Sheet metal 8 reaches operating temperature, acts rapidly and is driven through actuating strut 7, and then separates movable contact 4 and fixed contact 9, moving contact
Be connected to form current loop by thermosensitive resistor film between component 3 and fixed contact component 2, due to thermosensitive resistor film resistance much
Greater than load resistance, the voltage between first terminal 16 and Second terminal 17 is substantially equal to supply voltage of sending a telegram here, while temperature-sensitive electricity
The heat that resistance piece conducting generates can directly located hole 52 be transferred to bimetal leaf 8 rapidly, when it is implemented, location hole 52 is preferred
It is set as multiple, the structure is more preferable compared to the effect that heat is transferred to bimetal leaf 8 through leading truck 5.The temperature-sensitive of thermosensitive resistor film
The preferably symmetrical printing of resistance 161, the structure can make the rapid uniform conductive of heat to bimetal leaf 8, further increase temperature controller
Sensitivity, make heat conduct to bimetal leaf 8 faster more in time, the sealing of sleeve 11 and epoxide-resin glue 12 improves production
The waterproof and dampproof performance of product makes temperature controller more secure and reliable, is more conducively applicable in low temperature and moisture use environment.Circuit is excluded in power-off
During failure, thermosensitive resistor film stops fever, with the loss of 8 heat of bimetal leaf, and in 3 natural resiliency of moving contact component
Under the comprehensive function that restoring force is conducted through actuating strut 7,8 kick of bimetal leaf is restored, and temperature is back to normal, movable contact 4 and fixed
Contact 9 is again at contact connected state.
When it is implemented, being preferable over its inner top surface coating insulated heat material layer, insulation can be such that temperature controller more pacifies for capping 6
Entirely, electric insulating quality is more preferable, the heat-insulated retention time for being conducive to extend 8 temperature of bimetal leaf, is conducive to further adaptation low temperature and uses
Environment.
When it is implemented, it is preferred that its bottom surface is equipped with annular groove 54, thermosensitive resistor film is printed in annular groove 54 leading truck 5.The knot
Structure increases the contact area of thermosensitive resistor film Yu leading truck 5, further passes conducive to the heat of thermosensitive resistor film to leading truck 5
It leads, heat utilization rate is high, and temperature keeps effect more preferable.
When it is implemented, its surface further includes conducting surface 17, thermosensitive resistor film also provides thermosensitive resistor film in conducting surface 17
Connect hole 171, one end of the first spring 15 and second spring 14, which is each passed through, connects hole 171 and by conducting surface 17 and temperature-sensitive
Resistor disc is electrically connected and is limited respectively by location hole 52.Since leading truck 5 passes through spacing bayonet 51 and 1 phase of ceramic shell
Clamp keep the position of leading truck 5 laterally fixed, therefore location hole 52 can carry out cross to one end of the first spring 15 and second spring 14
To limit, further, the first, second terminal 16,17 and dynamic, fixed contact component 3,2 preferably respectively by the first rivet 19 and
Second rivet 18 is electrically connected and fixes, and the first, second rivet 19,18 is respectively equipped at the top of dynamic, fixed contact component 3,2 ends
The card slot of the first, second spring 15,14 other ends is fixed in installation.
It is preferably linearly symmetrical that two location holes 52 of leading truck 5 and two of thermosensitive resistor film connect hole 171,
The structure makes thermal energy conduction more evenly, makes bimetal leaf 8 as a whole, temperature change more evenly, the temperature difference between each position
It is smaller, it is more smooth controllable to be conducive to 8 deformation of bimetal leaf.
First, second spring 15,14 is when it is implemented, its middle part is preferably in general conical.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Illustrative description has been carried out to the utility model patent above, it is clear that the realization of the utility model patent not by
The limitation of aforesaid way, if the method concept of the utility model patent and the various improvement of technical solution progress are used, or
It is not improved that the conception and technical scheme of the utility model patent are directly applied into other occasions, in the utility model
In protection scope.
Claims (7)
1. a kind of power-off restoration waterproof bimetal strip thermostat, including:Ceramic shell, the fixed contact group being installed in ceramic shell
Part and moving contact component are installed on ceramic shell exterior bottom and are electrically connected respectively with moving contact component and fixed contact component
First terminal and Second terminal, clamp encapsulate leading truck and are fixed on ceramic shell top in the leading truck on ceramic shell top
Capping, be limited in leading truck and capping between bimetal leaf and one end abutted with bimetal leaf, middle part run through leading truck
And the insulation actuating strut that the other end is abutted with moving contact component, which is characterized in that further include sleeve and lead, the sleeve is close
Feud is sheathed on the outside of the ceramic shell lower part, and the lead is drawn out of described sleeve, and one end of the lead
It is connect respectively with the first terminal, the Second terminal, for connecting power supply, the lead is pierced by the other end of the lead
It is sealed at the sleeve by sealant, the leading truck is provided there are two location hole, and the leading truck is additionally provided with thermistor
Piece, the input terminal and output end of the thermosensitive resistor film pass through the first spring and second spring and moving contact component and fixed contact respectively
Component is electrically connected.
2. power-off restoration waterproof bimetal strip thermostat according to claim 1, which is characterized in that the interior top of the capping
Face is coated with insulated heat material layer.
3. power-off restoration waterproof bimetal strip thermostat according to claim 1, which is characterized in that the thermosensitive resistor film
It is printed in the bottom of the leading truck.
4. power-off restoration waterproof bimetal strip thermostat according to claim 1, which is characterized in that the leading truck also wraps
Annular groove is included, the thermosensitive resistor film is located at the annular groove.
5. power-off restoration waterproof bimetal strip thermostat according to claim 1, which is characterized in that the thermosensitive resistor film
Surface further include conducting surface, the thermosensitive resistor film has also provided in the conducting surface and has connected hole, with for making described first
One end of spring and second spring is electrically connected with the thermosensitive resistor film respectively.
6. power-off restoration waterproof bimetal strip thermostat according to claim 5, which is characterized in that described first, second
Terminal and it is described it is dynamic, fixed contact component passes through the first rivet respectively and the second rivet is electrically connected and fixes, described first, second
Rivet is by the card slot for moving, being respectively equipped with the fixed first, second spring other end of installation at the top of fixed contact assembly end.
7. power-off restoration waterproof bimetal strip thermostat according to claim 1, which is characterized in that described first, second
The middle part of spring is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820015919.1U CN208127116U (en) | 2018-01-05 | 2018-01-05 | A kind of power-off restoration waterproof bimetal strip thermostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820015919.1U CN208127116U (en) | 2018-01-05 | 2018-01-05 | A kind of power-off restoration waterproof bimetal strip thermostat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208127116U true CN208127116U (en) | 2018-11-20 |
Family
ID=64208758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820015919.1U Active CN208127116U (en) | 2018-01-05 | 2018-01-05 | A kind of power-off restoration waterproof bimetal strip thermostat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208127116U (en) |
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2018
- 2018-01-05 CN CN201820015919.1U patent/CN208127116U/en active Active
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