CN215069814U - Temperature controller and prevent dry combustion method fuse-link - Google Patents
Temperature controller and prevent dry combustion method fuse-link Download PDFInfo
- Publication number
- CN215069814U CN215069814U CN202121484371.3U CN202121484371U CN215069814U CN 215069814 U CN215069814 U CN 215069814U CN 202121484371 U CN202121484371 U CN 202121484371U CN 215069814 U CN215069814 U CN 215069814U
- Authority
- CN
- China
- Prior art keywords
- fuse
- tin alloy
- link
- temperature controller
- combustion method
- 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.)
- Active
Links
Images
Landscapes
- Fuses (AREA)
Abstract
The utility model relates to a temperature controller and prevent dry combustion method fuse-link, including the support, be equipped with panel and contact subassembly on the support, the contact subassembly is including the movable contact spring and the static contact of mutually supporting, and the conflict cooperation has the dry combustion method fuse-link on the movable contact spring, be equipped with fuse-link locating hole seat on the support, prevent dry combustion method fuse-link cartridge on fuse-link locating hole seat, the dry combustion method fuse-link of preventing include the insulator spindle, insulator spindle one end is contradicted on the movable contact spring, insulator spindle other end tip is equipped with tin alloy fusing end that tin alloy material made. When the set hot melting temperature is reached, the dissolution can be realized for a short time to trigger the movable contact piece to be disconnected with the static contact piece, and the dry-burning disconnection device has the advantages of high sensitivity and good safety.
Description
Technical Field
The utility model relates to a temperature controller for heating household utensils such as kettle, health preserving kettle.
Background
The temperature controller is an important part for ensuring the use safety of heating vessels such as an electric kettle and the like. Usually, two bimetallic strips are adopted to perform dry heating prevention protection, so that the dry heating prevention protection effect is prevented when a user uses an electric kettle to make misoperation or a steam switch fail. When the waterless dry burning occurs, the protection temperature of the bimetallic strip is reached, and the action of the bimetallic strip is cut off. When the temperature drops back to the protection temperature of the bimetallic strip, the power is restored. Namely, the power is continuously switched on and off along with the rise and fall of the temperature during the dry burning. The kettle coupler belongs to a self-resetting thermal circuit breaker, and can meet the requirements as long as 300 cycles are achieved according to relevant standards. However, the service life of the bimetal is seriously influenced by multiple actions, and the safety of protection is difficult to ensure. Once the bimetal is damaged, the fire risk is generated, and the life and property safety of a user is seriously threatened.
In order to achieve higher safety protection performance, the existing method is that a fusing rod is arranged at an on-off contact switch on a temperature controller, the existing fusing rod is made of plastics, one end of the fusing rod is in contact with a heating disc, the other end of the fusing rod is abutted to a movable contact piece, so that the movable contact piece is in contact with a static contact piece to be conducted, when a heating vessel is dried to reach a certain temperature, the fusing rod is melted with one end in contact with the heating disc, the fusing rod is shortened, then the movable contact piece is separated from the static contact piece, a passage is disconnected, and the purpose of preventing the heating vessel from being dried to burn is achieved. However, the existing fusing rod is made of plastics, and has the defects of wide range of hot melting temperature and low sensitivity.
Disclosure of Invention
The utility model discloses the invention purpose: in order to overcome the defects existing in the prior art, the utility model provides a temperature controller with high sensitivity of dry-burning disconnection.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a temperature controller, includes the support, is equipped with panel and contact subassembly on the support, the contact subassembly is including the movable contact spring and the static contact piece of mutually supporting, and the conflict cooperation has the dry combustion method fuse-link on the movable contact spring, be equipped with fuse-link location hole seat on the support, prevent dry combustion method fuse-link cartridge on fuse-link location hole seat, its characterized in that: the dry-burning-resistant fuse comprises an insulating rod, one end of the insulating rod is abutted to the movable contact piece, and the end part of the other end of the insulating rod is provided with a tin alloy fusing end made of a tin alloy material.
Through adopting above-mentioned technical scheme, adopt tin alloy fusing end and the contact of dish that generates heat, tin alloy is sensitive to the hot melt temperature, when reaching the settlement hot melt temperature, can realize dissolving for a short time to trigger movable contact and static contact disconnection, thereby improve the security.
Preferably, the end part of the insulating rod is provided with an embedding jack slot, the tin alloy fusing end comprises a head part and a press mounting rod, the press mounting rod of the tin alloy fusing end is pressed in the embedding jack slot, and the head part of the tin alloy fusing end is supported at the opening part of the embedding jack slot. Under this structural design, adopt the pressure equipment fixed, have simple structure, the equipment is convenient and fixed firm reliable advantage.
Preferably, the mouth of the inserting hole groove is provided with a conical flaring. Under this structural design, the pressure equipment pole of being convenient for inserts and inlays in the jack groove.
Preferably, the head part is in a frustum shape with a small upper part and a big lower part. Under this structural design, have the convenient advantage of machine-shaping, when guaranteeing that the head supports reliably, be convenient for control head and the area of heating plate contact.
Preferably, the insulating rod is in a stepped shaft shape with a large middle diameter and small diameters at two ends, the fuse rod positioning hole seat is provided with an annular supporting bottom supported on a lower shaft shoulder of the insulating rod, and a small-diameter lower shaft section of the insulating rod extends out of a hole formed by the annular supporting bottom. Under this structural design, the installation of the insulator spindle of being convenient for.
The utility model also provides a dry combustion method fuse that prevents of temperature controller that dry combustion method sensitivity is high, including fuse main part and with the fusing end of heating element contact, its characterized in that: the fusing end is a tin alloy fusing end made of a tin alloy material. By adopting the technical scheme, the tin alloy fusing end is contacted with the heating plate, the tin alloy is sensitive to the hot melting temperature, and can be dissolved in a short time when reaching the set hot melting temperature so as to trigger the movable contact piece and the static contact piece to be disconnected, thereby improving the safety.
The present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a perspective view of a temperature controller according to an embodiment of the present invention;
FIG. 2 is an exploded view of the anti-dry-burning fuse of the temperature controller according to the embodiment of the present invention;
FIG. 3 is a top view of a temperature controller according to an embodiment of the present invention;
fig. 4 is a sectional view taken along line a-a of fig. 3.
Detailed Description
Referring to fig. 1-4, the utility model discloses a temperature controller prevent dry combustion method fuse 1, including fuse main part 11 and with the fusing end 12 of heating element contact, fusing end 12 be the tin alloy fusing end that tin alloy material made. The tin alloy fusing end is in contact with the heating plate, the tin alloy is sensitive to the hot melting temperature, and can be dissolved in a short time when reaching the set hot melting temperature so as to trigger the movable contact piece to be disconnected with the static contact piece, so that the sensitivity and the safety are improved.
This prevent dry combustion method fuse-link can be applied to in the corresponding fuse-link of temperature controller constructs, and in this embodiment, the temperature controller includes support 2, is equipped with panel 3 and contact subassembly 4 on the support 2, contact subassembly 4 is including the movable contact spring 41 and the static contact 42 that mutually support, and conflict cooperation has prevents dry combustion method fuse-link 1 on the movable contact spring 41, be equipped with fuse-link location hole seat 21 on the support 2, prevent dry combustion method fuse-link 1 cartridge on fuse-link location hole seat 21, be equipped with the hole that supplies to prevent the fuse-link 12 of dry combustion method fuse-link 1 and stretch out on the panel 2, the fuse-link main part 11 of dry combustion method fuse-link 1 adopt the insulator spindle design, insulator spindle one end is contradicted on movable contact spring 41, and insulator spindle other end tip is equipped with tin alloy fuse-link 12 that tin alloy material made. The fusing part is a rod-shaped structure design with two ends respectively abutting against the movable contact spring and the heating disc, and has the advantage of simple structure, and certainly the anti-dry-burning fusing part of the utility model can also be applied to the fusing mechanisms of temperature controllers with other structural forms, so that the main structural form of the fusing part can be adapted to change besides the rod shape; however, the tin alloy fusing end is in contact with the heating plate, the tin alloy is sensitive to the hot melting temperature, and can be dissolved in a short time when the set hot melting temperature is reached, so that the movable contact piece and the static contact piece are triggered to be disconnected, and the safety is improved. The insulator spindle preferentially adopts pottery, has sound construction, processing convenience and the reliable operation advantage.
The tin alloy fuse terminal and the fuse body may be fixedly connected in various structural forms in the prior art, but in this embodiment, an insertion hole groove 111 is formed at an end of the insulating rod, the tin alloy fuse terminal 12 includes a head portion 121 and a press-fitting rod 122, the press-fitting rod 122 of the tin alloy fuse terminal 12 is press-fitted in the insertion hole groove 111, and the head portion 121 of the tin alloy fuse terminal 12 is supported at an opening of the insertion hole groove 111. Adopt nail structural style, through the pressure equipment fixed, have simple structure, the equipment is convenient and fixed firm reliable advantage. And the mouth of the insert-hole groove 111 is provided with a conical flaring 1111. The press-fitting rod can be conveniently inserted into the embedding and inserting hole groove.
The head 121 of the tin alloy fusing tip 12 is in a frustum shape with a small upper part and a large lower part. The demoulding of the tin alloy fusing end is convenient, the processing and forming are convenient, the head is reliably supported, and meanwhile, the contact area of the head and the heating plate is convenient to control.
In order to facilitate installation of the fuse element, the insulating rod is in a stepped shaft shape with a large middle diameter and small diameters at two ends, the fuse element positioning hole seat 21 is provided with an annular supporting bottom 211 supported on a lower shaft shoulder 112 of the insulating rod, a small-diameter lower shaft section 113 of the insulating rod extends out of a hole surrounded by the annular supporting bottom 211, and an upper shaft shoulder of the insulating rod is matched with a hole opening edge stop of the panel to prevent the fuse element from falling out. The installation of insulator spindle is convenient.
Claims (10)
1. The utility model provides a temperature controller, includes the support, is equipped with panel and contact subassembly on the support, the contact subassembly is including the movable contact spring and the static contact piece of mutually supporting, and the conflict cooperation has the dry combustion method fuse-link on the movable contact spring, be equipped with fuse-link location hole seat on the support, prevent dry combustion method fuse-link cartridge on fuse-link location hole seat, its characterized in that: the dry-burning-resistant fuse comprises an insulating rod, one end of the insulating rod is abutted to the movable contact piece, and the end part of the other end of the insulating rod is provided with a tin alloy fusing end made of a tin alloy material.
2. The temperature controller of claim 1, wherein: the end part of the insulating rod is provided with an embedding jack groove, the tin alloy fusing end comprises a head part and a press mounting rod, the press mounting rod of the tin alloy fusing end is pressed in the embedding jack groove, and the head part of the tin alloy fusing end is supported at the opening part of the embedding jack groove.
3. The temperature controller of claim 2, wherein: the opening of the inserting hole groove is provided with a conical flaring.
4. A thermostat according to claim 2 or 3, characterized in that: the head is in a frustum shape with a small upper part and a big lower part.
5. The temperature controller of claim 1, wherein: the insulating rod is in a step shaft shape with a large middle diameter and small diameters at two ends, the fuse rod positioning hole seat is provided with an annular supporting bottom supported on a lower shaft shoulder of the insulating rod, and a small-diameter lower shaft section of the insulating rod extends out of a hole formed by the annular supporting bottom.
6. The utility model provides a prevent dry combustion method fuse-element of temperature controller, includes fuse-element main part and with the fusing end of heating element contact, its characterized in that: the fusing end is a tin alloy fusing end made of a tin alloy material.
7. The dry-fire-proof fuse of the temperature controller of claim 6, wherein: the fuse-element main part is the shaft-like that ceramic made, and fuse-element main part tip is equipped with inlays the jack groove, tin alloy fusing end includes head and pressure equipment pole, and the pressure equipment pole pressure equipment of tin alloy fusing end is in inlaying the jack inslot, and the head of tin alloy fusing end supports in inlaying jack groove mouth portion.
8. The dry-fire-proof fuse of the temperature controller of claim 7, wherein: the opening of the inserting hole groove is provided with a conical flaring.
9. The dry-fire-proof fuse of the temperature controller of claim 7, wherein: the head is in a frustum shape with a small upper part and a big lower part.
10. The dry-fire-proof fuse of the temperature controller of claim 7, wherein: the fuse-link main part is the step axle form that the diameter is big in the middle part, both ends diameter is little.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121484371.3U CN215069814U (en) | 2021-06-30 | 2021-06-30 | Temperature controller and prevent dry combustion method fuse-link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121484371.3U CN215069814U (en) | 2021-06-30 | 2021-06-30 | Temperature controller and prevent dry combustion method fuse-link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215069814U true CN215069814U (en) | 2021-12-07 |
Family
ID=79227308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121484371.3U Active CN215069814U (en) | 2021-06-30 | 2021-06-30 | Temperature controller and prevent dry combustion method fuse-link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215069814U (en) |
-
2021
- 2021-06-30 CN CN202121484371.3U patent/CN215069814U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2573032A1 (en) | Thermosensitive sprinkler | |
| CN203325801U (en) | Thermistor-based deenergizing, cooling and resetting type temperature controller | |
| GB2384117A (en) | Thermal control | |
| CN215069814U (en) | Temperature controller and prevent dry combustion method fuse-link | |
| CN203325802U (en) | Double-metal thermal cutting machine | |
| TW200937788A (en) | An overheat safety protection of power supply socket when overloaded | |
| CN103337410A (en) | Bimetal thermal cutter | |
| CN207731866U (en) | Dry combustion method non-automatic-reset protector | |
| CN103383903A (en) | Dry-burning-resistant temperature-sensitive switch for electric heating device | |
| US6057751A (en) | Overheat and overload sensing device | |
| CN107564766B (en) | Non-self-resetting thermal cutter | |
| CN203799960U (en) | Temperature controllable protective tube | |
| CN2504753Y (en) | Socket with improved temp induction control structure | |
| CN110853979A (en) | Thermal cut-off device with fusing function | |
| CN201051468Y (en) | Dry combustion prevention temperature controller for electric water jar | |
| CN107468047B (en) | Electric rice cooker | |
| US3330937A (en) | Electric cigar lighter | |
| CN219534399U (en) | Double-combination temperature limiter | |
| CN210925874U (en) | Thermal cut-off device with fusing function | |
| CN1977346B (en) | Safety device for preventing propagation in fracture of ceramic element | |
| CN206657775U (en) | A kind of power-off restoration formula thermally-responsive controls | |
| CN211242868U (en) | Electric kettle with fusing function | |
| CN210006671U (en) | Coupler with elastic overheat protection rod | |
| CN213362654U (en) | Electric heater with automatic temperature control function | |
| CN214069048U (en) | Coupler with circuit breaking protection, heating device and health preserving kettle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |