CN210810469U - Temperature sensing element, fixed knot construct and electric rice cooker - Google Patents
Temperature sensing element, fixed knot construct and electric rice cooker Download PDFInfo
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- CN210810469U CN210810469U CN201921056617.XU CN201921056617U CN210810469U CN 210810469 U CN210810469 U CN 210810469U CN 201921056617 U CN201921056617 U CN 201921056617U CN 210810469 U CN210810469 U CN 210810469U
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- thermistor
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- temperature
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Abstract
The utility model provides a temperature-sensing element, fixed knot construct and electric rice cooker, temperature-sensing element includes: the first end part of the heat conducting piece is close to the heat source element of the electric cooker, and the first side surface of the heat conducting piece faces the heat source element of the electric cooker; the second end part is far away from the heat source element of the electric cooker, and the second side surface is back to the heat source element of the electric cooker; the thermal fuse is arranged in the first fixing groove, and the thermistor is arranged in the second fixing groove. The utility model discloses a pressing the profile and the fixed slot is fixed thermal link and thermistor on the heat-conducting piece, and the thermal link is inseparable with the contact of thermistor and heat-conducting piece, and heat conductivility is good, heat-conducting piece tip and heat source component direct contact, and the sensing result is more accurate. The heat conducting piece is installed on the radiation-proof plate through the matching of the slot and the clamping pin, and the assembly and the positioning are convenient. The thermal fuse link and the thermistor are arranged on the side surface of the heat conducting piece facing outwards, so that the thermal fuse link and the thermistor are convenient to observe or disassemble for maintenance.
Description
Technical Field
The utility model belongs to the technical field of electricity rice cooker, concretely relates to temperature-sensing element fixed knot constructs and electricity rice cooker.
Background
At present, the thermistor temperature sensor of the electric cooker is mostly composed of a thermistor, a hot melt fuse, an iron plate and the like. The thermistor and the hot-melting fuse are arranged on the iron plate, when the temperature of the iron plate rises to a temperature point for melting the hot-melting fuse, the hot-melting fuse is melted to cut off the power of the main circuit, and the heating plate stops heating, so that the heating plate is protected and the fire accident is prevented. However, the reliability of the conventional thermal fuse is not particularly high, and further improvement of the safety of the electric rice cooker is required.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model is that the hot melt insurance reliability of electric rice cooker product is not high to a temperature sensing element fixed knot constructs and electric rice cooker is provided.
In order to solve the above problem, the present invention provides a temperature sensing element, including:
the heat conducting piece comprises a first end part, a second end part, a first side surface and a second side surface;
the first end part is close to the heat source element of the electric cooker, and the first side surface faces the heat source element of the electric cooker; the second end part is far away from the heat source element of the electric cooker, and the second side surface is back to the heat source element of the electric cooker;
the heat conducting piece absorbs the heat of the heat source element and transfers the heat to the thermal fuse link and the thermistor;
the middle part of the second side surface is provided with a first fixing groove which is concave inwards, and the thermal fuse body is arranged in the first fixing groove;
and the second side surface of the thermistor, which is close to the second end part, is provided with a second fixing groove, and the thermistor is arranged in the second fixing groove.
Preferably, the temperature sensing element further comprises a fixing member provided on the second side for fitting and fixing the thermal fuse link and/or the thermistor.
Preferably, the fixing member includes a pressing buckle strip provided on the heat conducting member, one end of the pressing buckle strip is connected with the heat conducting member, and the other end of the pressing buckle strip is folded and pressed on the thermal fuse link or the thermistor.
Preferably, the heat-conducting member is an iron plate.
The fixing structure of the temperature sensing element is characterized in that the temperature sensing element is fixedly arranged on a radiation-proof plate of the electric cooker, and a fixing device is arranged on the radiation-proof plate.
Preferably, the fixing device comprises an insertion slot and a bayonet, the first end part is inserted into the insertion slot, the second end part is provided with a buckling pin, the buckling pin is inserted into the bayonet, the insertion slot and the bayonet are used for fixing the first end part and the second end part respectively, and the fixing device is used for installing the heat conducting piece on the radiation-proof plate.
Preferably, the slot is formed by protruding the radiation protection plate away from the heat source element.
Preferably, the second side surface is provided with a boss, and the boss is used for limiting the first end part when the first end part is inserted into the slot.
Preferably, the edge of the heat conducting piece is provided with a mounting hole, and the mounting hole is used for pressing and fixing the heat conducting piece on the radiation-proof plate.
Preferably, the radiation protection plate is provided with a temperature sensing window, and the heat conducting member covers the temperature sensing window.
An electric cooker comprises any temperature sensing element or any fixing structure.
The utility model provides a temperature-sensing element fixed knot constructs and electric rice cooker has following beneficial effect at least:
1. the thermal fuse link and the thermistor are fixed on the heat conducting piece by the pressing buckle strip and the fixing groove, the thermal fuse link, the thermistor and the heat conducting piece are tightly contacted, the heat conducting performance is good, the end part of the heat conducting piece is directly contacted with the heat source element, and the sensing result is more accurate.
2. The heat conducting piece is installed on the radiation-proof plate through the matching of the slot and the clamping pin, and the assembly and the positioning are convenient.
3. The thermal fuse link and the thermistor are arranged on the side surface of the heat conducting piece facing outwards, so that the thermal fuse link and the thermistor are convenient to observe or disassemble for maintenance.
Drawings
Fig. 1 is a schematic structural view of a fixing structure of a temperature sensing element according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating an installation of a fixing structure of a temperature sensing element according to an embodiment of the present invention.
The reference numerals are represented as:
1. a heat conductive member; 2. a first end portion; 3. a second end portion; 4. a first side surface; 5. a second side surface; 6. a heat source element; 7. a thermal fuse; 8. a thermistor; 9. a first fixing groove; 10. a second fixing groove; 11. pressing a buckling strip; 12. a radiation-proof plate; 13. a slot; 14. a bayonet; 15. buckling legs; 16. a boss; 17. mounting holes; 18. a temperature sensing window; 19. and a wire spool.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a temperature sensing element includes: the heat conducting piece 1 is characterized in that the heat conducting piece 1 comprises a first end part 2, a second end part 3, a first side surface 4 and a second side surface 5; the first end part 2 is close to a heat source element 6 of the electric cooker, and the first side surface 4 faces the heat source element 6 of the electric cooker; the second end 3 is far away from the heat source element 6 of the electric cooker, and the second side 5 is back to the heat source element 6 of the electric cooker; the heat conducting member 1 absorbs heat of the heat source element 6 and transfers the heat to the thermal fuse link 7 and the thermistor 8; the middle part of the second side surface 5 is provided with a concave first fixing groove 9, and the thermal fuse 7 is arranged in the first fixing groove 9; the thermistor 8 is provided with a second fixing groove 10 on the second side 5 close to the second end 3, and the thermistor 8 is arranged in the second fixing groove 10.
The temperature-sensing element of this embodiment is applicable to the temperature detection of IH electric rice cooker's top wire reel, and thermal link 7 and thermistor 8 are fixed in the fixed slot of heat-conducting piece 1, and thermal link 7 is bigger with the area of contact of thermistor 8 and heat-conducting piece 1, and the contact is inseparable, and thermal conductivity is good, and heat-conducting piece 1 tip does not have spaced direct contact with heat source element 6, and the sensing result is more accurate. The thermal fuse 7 and the thermistor 8 are arranged on the outward-facing side surface of the heat conducting member 1, so that the thermal fuse is convenient to observe or assemble, disassemble and maintain.
In this embodiment, the temperature sensing element further comprises a fixing member disposed on the second side surface 5 for fixing the thermal fuse link 7 and/or the thermistor 8. The fixing piece comprises a plurality of pressing and buckling strips 11 arranged on the heat conducting piece 1, one ends of the pressing and buckling strips 11 are connected with the heat conducting piece 1, the other ends of the pressing and buckling strips are turned over and buckled on the thermal fuse-link 7 or the thermistor 8, and the plurality of pressing and buckling strips 11 are respectively pressed and buckled on the thermal fuse-link 7 and the thermistor 8. The pressing buckle strip 11 can be formed by punching the heat conducting piece 1 by adopting a punching device, the pressing buckle strip 11 is a part of the body of the heat conducting piece 1, the material is saved, and the pressing buckle operation is convenient.
In this embodiment, the heat conducting member 1 is an iron plate member, and has good heat conducting property.
Referring to fig. 2, the present embodiment provides a fixing structure using the above temperature sensing element, the temperature sensing element is fixedly mounted on a radiation protection plate 12 of the rice cooker, and a fixing device is disposed on the radiation protection plate 12.
The fixed knot of this embodiment constructs and fixes the temperature-sensing element on radiation protection board 12, and stable in structure is close to electric rice cooker's heat source element 6, and top coil, radiation protection board 12 are all installed on wire reel 19, and the temperature measurement result is accurate promptly.
In this embodiment, the fixing device includes a slot 13 and a bayonet 14, the first end portion 2 is inserted into the slot 13, the second end portion 3 is provided with a fastening pin 15, the fastening pin 15 is inserted into the bayonet 14, the slot 13 and the bayonet 14 fix the first end portion 2 and the second end portion 3 respectively, and the fixing device installs the heat conducting member 1 on the radiation-proof plate 12. The slot 13 directly holds and keeps whole first end 2, and cooperation bayonet 14, assembly that heat-conducting member 1 can be convenient are on the radiation protection board 12, easy dismounting.
In this embodiment, the insertion groove 13 is formed by protruding the radiation protection plate 12 in a direction away from the heat source element 6. In the existing product, the radiation protection plate 12 covers the outside of the heat source element 6, prevent that heat radiation from damaging the injection molding of electric rice cooker, a part of the radiation protection plate 12 is upwards protruding, form slot 13, the bottom radiation protection plate 12 of slot 13 is hollow, after the first end 2 is inserted into slot 13, the heat source element 6 of the electric rice cooker of the 4 straight sides of the first side of the first end 2, the top coil is promptly, the heat radiation of the heat source element 6 is accepted to the thermal conduction piece 1 without hindrance, the temperature of the thermal conduction piece 1 is closer to the actual temperature of the heat source element 6, the temperature sensing of the thermal fuse-link 7 and the thermistor 8 on the thermal conduction piece 1 is more accurate.
In this embodiment, the second side surface 5 is provided with a boss 16, the boss 16 is used for limiting the insertion of the first end portion 2 into the slot 13, so as to prevent the first end portion 2 from being excessively inserted, and the bosses 16 are preferably arranged in pairs to provide accurate limiting for the heat conducting member 1.
In this embodiment, the edge of the heat conducting member 1 is provided with a mounting hole 17, the mounting hole 17 is used for compressing and fixing the heat conducting member 1 on the radiation-proof plate 12, and the heat conducting member 1 can be compressed and fixed on the radiation-proof plate 12 through the mounting hole 17 by using a screw.
In this embodiment, the radiation protection plate 12 is provided with a temperature sensing window 18, the heat conducting member 1 covers the temperature sensing window 18, and the temperature sensing window 18 can improve the heat radiation capability of the heat conducting member 1, and reduce the contact area with the heat conducting member 1 to avoid heat dispersion.
The temperature sensing element and the temperature sensing element fixing structure of the embodiment are used for detecting the temperature of a winding coil at the top of an IH electric cooker, when the temperature of the coil reaches a certain value, a thermistor 8 starts to work to control the heating power of a heat source element 6, so that the electric cooker is not burnt and melted; when the thermistor 8 fails, the heating power of the heat source element 6 is too high, the thermal fuse 7 is blown, the whole electric cooker is powered off, and the whole electric cooker is protected from being blown. The temperature sensing element has good temperature sensing effect, high temperature control precision and convenient assembly and disassembly.
An electric cooker comprises any temperature sensing element or any fixing structure.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (11)
1. A temperature-sensing element, comprising:
a thermally conductive member (1), the thermally conductive member (1) comprising a first end (2), a second end (3), a first side (4), a second side (5);
the first end (2) is close to a heat source element (6) of the electric cooker, the second end (3) is far away from the heat source element (6) of the electric cooker, the first side surface (4) faces towards the heat source element (6) of the electric cooker, and the second side surface (5) is back to the heat source element (6) of the electric cooker;
the heat conducting member (1) absorbs the heat of the heat source element (6) and transfers the heat to the thermal link (7) and the thermistor (8);
the middle part of the second side surface (5) is provided with a first concave fixing groove (9), and the thermal fuse body (7) is arranged in the first fixing groove (9);
and a second side surface (5) of the thermistor (8) close to the second end part (3) is provided with a second fixing groove (10), and the thermistor (8) is arranged in the second fixing groove (10).
2. A temperature-sensing element according to claim 1, characterised in that the temperature-sensing element further comprises a fixing member provided on the second side (5) for fitting fixing the thermal fuse link (7) and/or the thermistor (8).
3. The temperature-sensing element according to claim 2, wherein the fixing member comprises a press-fastening strip (11) provided on the heat conductive member (1), one end of the press-fastening strip (11) is connected to the heat conductive member (1), and the other end is folded and pressed against the thermal fuse link (7) or the thermistor (8).
4. A temperature-sensing element according to any of claims 1 to 3, characterised in that the thermally conductive member (1) is an iron plate.
5. A fixing structure of temperature sensing element of any claim 1-4, characterized in that the temperature sensing element is fixed on the radiation protection plate (12) of the electric cooker, and the radiation protection plate (12) is provided with a fixing device.
6. The fixing structure according to claim 5, characterized in that the fixing device comprises a slot (13) and a bayonet (14), the first end portion (2) is inserted into the slot (13), the second end portion (3) is provided with a fastening pin (15), the fastening pin (15) is inserted into the bayonet (14), the slot (13) and the bayonet (14) fix the first end portion (2) and the second end portion (3), respectively, and the fixing device mounts the heat conducting member (1) on the radiation-proof plate (12).
7. The fixing structure according to claim 6, wherein the insertion groove (13) is formed by projecting the radiation protection plate (12) in a direction away from the heat source element (6).
8. A fixation arrangement as claimed in claim 6, characterized in that the second side (5) is provided with a projection (16), which projection (16) is intended for limiting the insertion of the first end portion (2) in the slot (13).
9. The fixing structure according to any one of claims 5 to 8, wherein the heat-conducting member (1) is provided at an edge thereof with a mounting hole (17), and the mounting hole (17) is used for press-fixing the heat-conducting member (1) to the radiation shield (12).
10. The fixing structure according to claim 9, characterized in that the radiation shield (12) is provided with a temperature sensing window (18), and the heat conducting member (1) is covered on the temperature sensing window (18).
11. An electric rice cooker comprising the temperature-sensitive element according to any one of claims 1 to 4 or the fixing structure according to any one of claims 5 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056617.XU CN210810469U (en) | 2019-07-08 | 2019-07-08 | Temperature sensing element, fixed knot construct and electric rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056617.XU CN210810469U (en) | 2019-07-08 | 2019-07-08 | Temperature sensing element, fixed knot construct and electric rice cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210810469U true CN210810469U (en) | 2020-06-23 |
Family
ID=71249503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921056617.XU Expired - Fee Related CN210810469U (en) | 2019-07-08 | 2019-07-08 | Temperature sensing element, fixed knot construct and electric rice cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210810469U (en) |
-
2019
- 2019-07-08 CN CN201921056617.XU patent/CN210810469U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |