CN210007940U - electromagnetic wire coil with reliable temperature measurement - Google Patents
electromagnetic wire coil with reliable temperature measurement Download PDFInfo
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- CN210007940U CN210007940U CN201920355676.0U CN201920355676U CN210007940U CN 210007940 U CN210007940 U CN 210007940U CN 201920355676 U CN201920355676 U CN 201920355676U CN 210007940 U CN210007940 U CN 210007940U
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Abstract
The utility model provides a reliable electromagnetic wire coils of temperature measurement, including plate rail, coil and magnetic stripe, the coil coiling is on the plate rail, the plate rail back distribution has the magnetic stripe frame, has the magnetic stripe chamber in the magnetic stripe frame, the magnetic stripe holding is in the magnetic stripe chamber, open at the plate rail center has the centre bore, enclose into the temperature measurement space within the centre bore edge, temperature measurement space installation temperature measurement spare, the plate rail is peripheral at the centre bore, the inboard region of magnetic stripe frame is seted up and is subtracted the gluey hole, the utility model discloses a reliable electromagnetic wire coils of temperature measurement realize that the isolation of temperature measurement and magnetic stripe is reinforceed through seting up subtracting gluey hole site to weaken the heat transfer, improved the accuracy and the security of temperature measurement spare temperature measurement.
Description
Technical Field
The utility model belongs to the cooking utensil field, concretely relates to electromagnetic wire coil that kinds of temperature measurement are reliable.
Background
In the existing induction cooker and induction cooker, a coil and a magnetic strip are respectively installed on a tray frame, and insulation treatment is performed between the coil and the magnetic strip. The central position of the wire coil is provided with a temperature sensor mounting position for detecting the temperature of the furnace surface, and the temperature sensor mounting position is connected with the rubber coating position at the inner side of the inner bent pin of the magnetic stripe of the wire coil.
However, there is the heat conduction hidden danger in temperature sensor and drum inner bend foot among the prior art, because the drum is obviously higher than the coil temperature rise in the course of the work magnetic stripe temperature rise, magnetic stripe and coil are simultaneously with heat transfer for the plate rail. The temperature rise of the inner bent pin of the magnetic strip is a high-temperature area in the magnetic strip, and the heat of the inner bent pin is transmitted to the temperature measuring sensor through the rubber coating part at the inner side of the inner bent pin, so that the temperature measurement is inaccurate; the inner bending leg of the wire coil is close to the temperature measuring sensor, and the magnetic field intensity at the inner bending leg is large when the wire coil works, so that the temperature measuring sensor has self-heating risk.
Therefore, how to design kinds of tray frame structures, through space isolation or thermal insulation between magnetic stripe and the temperature sensor installation position, the temperature measurement accuracy of temperature sensor is improved in the aspect of , prevents overheated and reverse heating in addition in the aspect of , ensures the safety.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that prior art exists, the utility model provides an kind simple structure's electromagnetic wire coils, through the space isolation setting between magnetic stripe and the temperature measurement piece, improve temperature measurement accuracy and security.
The utility model adopts the technical proposal that:
electromagnetic wire coil with reliable temperature measurement comprises a wire rack, a coil and a magnetic strip, wherein the coil is wound on the wire rack, the back of the wire rack is provided with a magnetic strip rack, a magnetic strip cavity is arranged in the magnetic strip rack, the magnetic strip is accommodated in the magnetic strip cavity, the center of the wire rack is provided with a center hole, the edge of the center hole is surrounded by a temperature measurement space, the temperature measurement space is provided with a temperature measurement part, the wire rack is provided with a glue reduction hole at the periphery of the center hole and in the inner side area of the magnetic strip rack, a weak link for glue reduction or glue drawing treatment is arranged between the temperature measurement part installation position and the magnetic strip inner side installation position, the heat transfer between the temperature measurement part and the inner side of the magnetic strip and the influence of the magnetic field on a sensor are reduced, the distance between the temperature measurement part.
As embodiments, the glue reducing holes are blind holes and are formed by upward drilling from the back of the tray frame and vertically extend upwards along the thickness direction of the tray frame.
Preferably, a plurality of glue reducing holes are uniformly formed in the periphery of the center hole in the circumferential direction, and circles of glue reducing holes are formed in the periphery of the center hole in the back face of the tray frame and are attractive and elegant.
, the magnetic strip racks are evenly distributed along the periphery of the center hole, the number of the glue reducing holes is equal to that of the magnetic strip racks, the glue reducing holes which are arranged on the periphery of the magnetic strip racks and are equal to that of the magnetic strip racks in number and correspond to the magnetic strip racks in number are concise and attractive in design, the overall weight of the disk rack is reduced, and the magnetic strip racks are evenly and well insulated towards the center hole in all directions.
Preferably, the magnetic strip comprises a horizontal part extending in the same direction with the magnetic strip rack and a vertical part perpendicular to the horizontal part, the magnetic strip cavity is provided with a vertical cavity corresponding to the vertical part, and the vertical part and the vertical cavity vertically extend upwards along the thickness direction of the disk rack, the perpendicular intersection of the horizontal part and the vertical part belongs to structures of the magnetic strip, the magnetic conduction effect is good, and magnetic leakage is reduced.
, the vertical part is formed by bending the magnet strip at the inner end or the outer end , the magnetic conduction effect of the magnet strip is good, the vertical part at the inner end is an inner bent pin bent by a body, and the space between the inner bent pin and the temperature measuring space is the primary link of heat insulation.
As embodiments, the glue reducing holes are blind holes, are formed by downwards forming from the front face of the tray frame and vertically extend downwards along the thickness direction of the tray frame, and the mode of downwards forming the glue reducing holes from the front face of the tray frame can achieve the same effect of isolating space and improve the design feeling of the front face of the tray frame.
As another embodiments, the glue reducing holes are through holes, which penetrate from the front to the back of the tray frame and vertically extend along the thickness direction of the tray frame.
Preferably, two ends of the magnetic strip rack along the extension direction are provided with end injection molding support grooves, or two sides of the magnetic strip rack are also provided with side injection molding support grooves, so that the two injection molding support grooves are convenient for positioning of the two ends and the left and right directions during injection molding of the magnetic strip rack body, and are beneficial to heat dissipation of the magnetic strip.
Preferably, the lower bottom surface of the magnetic strip frame is provided with an injection molding supporting hole. The injection molding supporting hole is convenient for the magnetic stripe to be positioned in an upper and lower supporting mode during injection molding.
The beneficial effects of the utility model are that, the utility model discloses a kinds of reliable electromagnetic wire coils of temperature measurement realizes the isolation of temperature measurement and magnetic stripe and strengthens through seting up the subtracting gluey hole site to weaken the heat transfer, improved the accuracy and the security of temperature measurement piece temperature measurement, specifically as follows:
1. the air in the middle of the glue reducing hole site is low in heat conductivity relative to the plastic, the thermal isolation effect is good, the heat transfer between the magnetic stripe bent foot part and the temperature measuring part is weakened, and the temperature measuring accuracy is improved: the influence of the magnetic field on the temperature measuring piece is reduced;
2. the weight of the plate frame is reduced at the glue reducing hole position, the cost is reduced, and the appearance is simple, attractive and elegant;
3. simple structure, the same with former production, it is located body demolding on the plate rail to subtract the gluey position, does not influence original production procedure and technology.
Drawings
Fig. 1 is a schematic perspective view of a back surface of an electromagnetic wire coil according to embodiment of the present invention.
Fig. 2 is a schematic diagram of a front plane structure of an electromagnetic wire coil according to an embodiment of the present invention.
Fig. 3 is a sectional structure view of an electromagnetic wire coil a-a according to an embodiment of the present invention.
Fig. 4 is a sectional structural view of a part B of an electromagnetic wire coil according to embodiment of the present invention.
Fig. 5 is a partial cross-sectional structure diagram of an electromagnetic wire coil with through holes as glue reducing holes according to an embodiment of the present invention.
Fig. 6 is a schematic perspective view of the back of the tray frame according to the third embodiment of the present invention.
In the figure: 100-a plate frame, 200-a coil, 300-a magnetic strip, 101-a central hole, 102-a temperature measuring part, 301-a horizontal part, 302-a vertical part, 10-a magnetic strip cavity, 11-a magnetic strip frame and 6-a glue reducing hole;
2-top needle hole, 21-inner top needle hole, 22-outer top needle hole, 3-injection molding support hole, 4-end injection molding support groove, 41-inner section injection molding support groove, 42-outer end injection molding support groove and 5-side injection molding support groove.
Detailed Description
The present invention is described in further detail with reference to specific embodiments , but the invention is not limited to these specific embodiments.
Example
Referring to fig. 1 to 4, electromagnetic wire coils with reliable temperature measurement comprise a disk rack 100, a coil 200 and a magnetic strip 300, wherein the coil 200 is wound on the disk rack 100, a magnetic strip rack 11 is distributed on the back of the disk rack 100, a magnetic strip cavity 10 is arranged in the magnetic strip rack 11, the magnetic strip 300 is accommodated in the magnetic strip cavity 10, a center hole 101 is formed in the center of the disk rack 100, a temperature measurement space is formed by the edge of the center hole 101, a temperature measurement part 102 is installed in the temperature measurement space, the temperature measurement part 102 can be installed on the upper portion or the lower portion of the temperature measurement space, a glue reduction hole 6 is formed in the periphery of the center hole 101 and the inner side area of the magnetic strip rack 11, a weak link for glue reduction or glue drawing processing is arranged between the installation position of the temperature measurement part 102 and the inner side installation position of the magnetic strip 300, the heat transfer between the temperature measurement part 102 and the inner side of the magnetic strip 300 and the influence of a magnetic field on the temperature measurement part 102 are reduced, the distance between the temperature measurement part 102 and the inner.
Specifically, the glue reducing holes 6 are blind holes and are formed by upward drilling from the back of the tray frame 100 and vertically extend upwards along the thickness direction of the tray frame 100, or the glue reducing holes 6 are blind holes and are formed by downward drilling from the front of the tray frame 100 and vertically extend downwards along the thickness direction of the tray frame 100, a plurality of glue reducing holes 6 are uniformly drilled on the periphery of the central hole 101, circles of glue reducing holes 6 are formed on the periphery of the central hole 101 on the back of the tray frame 100, the magnetic strip frames 11 are uniformly distributed on the periphery of the central hole 101, the number of the glue reducing holes 6 is equal to that of the magnetic strip frames 11, preferably, the magnetic strip 300 comprises a horizontal part 301 extending in the same direction as the magnetic strip frames 11 and a vertical part 302 perpendicular to the horizontal part, the part of the magnetic strip cavity 10 corresponding to the vertical part 302 is provided with a vertical cavity to accommodate the vertical part 302, the vertical part 302 and the vertical cavity vertically extend upwards along the thickness direction of the tray frame 100, the vertical part 302 is formed by bending the magnetic strip 300 at the outer end or the outer end , the magnetic strip has a good effect, the magnetic conducting part at the inner end, and the bending part is a bending part , and the inner bending part is a temperature measuring part .
Example two
As shown in fig. 5, the second embodiment is substantially the same as the second embodiment except that:
the glue reducing hole 6 is a through hole penetrating from the front to the back of the tray frame 100 and vertically extending along the thickness direction of the tray frame 100. The mode that the tray frame 100 was seted up and is formed the rubber reduction hole 6 that link up can play the effect than the more complete isolation space of blind hole to can pass through the outside air, the reinforcing heat dissipation promotes the holistic design of tray frame 100 and feels.
EXAMPLE III
As shown in fig. 6, the third embodiment is expanded on the basis of the or the second embodiment as follows:
end injection molding supporting grooves 4 are formed in two end portions of the magnetic strip frame 11 along the extending direction, or side injection molding supporting grooves 5 are further formed in two sides of the magnetic strip frame 11, and injection molding supporting holes 3 are formed in the lower bottom surface of the magnetic strip frame 11. The end injection molding supporting groove 4, the side injection molding supporting groove 5 and the injection molding supporting hole 6 are convenient for supporting and positioning in all directions when the magnetic stripe is injected.
Specifically, a coil and a magnetic stripe are omitted in fig. 6, the tray frame design in fig. 6 is based on or the second embodiment, ejector pin holes 2, injection support holes 3, end injection support grooves 4 and side injection support grooves 5 are expanded, ejector pin holes 2 are respectively formed in the lower bottom surface of the magnetic stripe frame 11 along the two ends of the extension direction of the magnetic stripe frame 11, inner ejector pin holes 21 are formed in the ejector pin holes 2 close to the inner side of the tray frame 100, outer ejector pin holes 22 are formed in the tray frame 100 by leaning against the edge of the tray frame 100, pairs are respectively arranged on the inner ejector pin holes 21 and the outer ejector pin holes 22 by the injection support holes 3, the two pairs of injection support holes 3 are respectively located on the outer side of the inner ejector pin holes 21 and the inner side of the outer ejector pin holes 22, the distance between the injection support holes 3 and the ejector pin holes 2 is L which is not more than 5mm, L is the closest distance between the injection support holes 3 and the edge of the ejector pin holes 2, L is small value, which is favorable for supporting firmness and stability, the support holes 2 are small in favor of supporting stability when the ejector pin holes 2 and the ejector pin holes 2 are located at equal distances from the outer ends of a rectangular top pin holes 3526 mm, the outer ends of a rectangular supporting hole, the ejector pin hole 2, the ejector pin hole is favorable for preventing the magnetic stripe strip from being equal to a magnetic stripe when the ejector pin hole, the magnetic stripe is located in the ejector pin hole, the ejector pin hole is located at a distance between the ejector pin hole 2, the ejector pin hole, the outer end of a uniform distance of a magnetic stripe, the ejector pin hole is equal to a magnetic stripe, the ejector pin hole is equal to a uniform distance of a magnetic stripe, the outer end of a uniform distance.
The end injection molding support grooves 4 are inner end injection molding support grooves 41 close to the inner side of the disc rack 100, outer end injection molding support grooves 42 are close to the edge of the disc rack 100, the end injection molding support grooves 4 are formed in the junctions of the two ends of the magnetic strip rack 11 and the lower bottom surface, the end positioning during magnetic strip injection is facilitated, and the heat dissipation performance of the magnetic strip is also enhanced, the side injection molding support grooves 5 are further formed in the two sides of the magnetic strip rack 11, the magnetic strip is convenient to position on the side surface during injection molding through the side injection molding support grooves 5, the positions of the magnetic strip on the left side surface and the right side surface of the magnetic strip rack 11 are adjusted, and the heat dissipation performance of the magnetic strip is also enhanced.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.
Claims (10)
- The electromagnetic wire coil with reliable temperature measurement comprises a wire coil frame, a coil and a magnetic strip, wherein the coil is wound on the wire coil frame, the magnetic strip frame is distributed on the back surface of the wire coil frame, a magnetic strip cavity is formed in the magnetic strip frame, and the magnetic strip is contained in the magnetic strip cavity.
- 2. The electromagnetic wire coil for reliable temperature measurement as claimed in claim 1, wherein the glue reducing holes are blind holes that are drilled upward from the back of the plate holder and extend vertically upward along the thickness direction of the plate holder.
- 3. The electromagnetic wire coil with reliable temperature measurement as claimed in claim 1, wherein the glue reducing holes are uniformly arranged on the periphery of the central hole in the circumferential direction.
- 4. The electromagnetic wire coil for reliable temperature measurement as claimed in claim 3, wherein the magnetic strip holders are evenly distributed along the periphery of the central hole, and the number of the glue reducing holes is equal to the number of the magnetic strip holders.
- 5. The reliable electromagnetic wire coil according to claim 1, wherein the magnetic strip includes a horizontal portion extending in the same direction as the magnetic strip holder and a vertical portion perpendicular to the horizontal portion, the magnetic strip cavity has a vertical cavity corresponding to the vertical portion, and the vertical portion and the vertical cavity extend vertically upward along the thickness direction of the disk holder.
- 6. The electromagnetic wire coil for reliable temperature measurement as claimed in claim 5, wherein the vertical portion is formed by bending a magnetic strip at the inner or outer end .
- 7. The electromagnetic wire coil with reliable temperature measurement as claimed in claim 1, wherein the glue reducing holes are blind holes that are drilled downward from the front of the plate holder and extend vertically downward along the thickness direction of the plate holder.
- 8. The electromagnetic wire coil with reliable temperature measurement as claimed in claim 1, wherein the glue reducing holes are through holes extending vertically along the thickness direction of the tray from the front to the back of the tray.
- 9. The electromagnetic wire coil for reliable temperature measurement as claimed in claim 1, wherein the magnetic strip rack has end injection molding support grooves at both ends along the extension direction, or the magnetic strip rack has side injection molding support grooves at both sides.
- 10. The electromagnetic wire coil for reliable temperature measurement as claimed in claim 1, wherein the bottom surface of the magnetic strip holder is provided with injection molding support holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920355676.0U CN210007940U (en) | 2019-03-20 | 2019-03-20 | electromagnetic wire coil with reliable temperature measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920355676.0U CN210007940U (en) | 2019-03-20 | 2019-03-20 | electromagnetic wire coil with reliable temperature measurement |
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| Publication Number | Publication Date |
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| CN210007940U true CN210007940U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920355676.0U Active CN210007940U (en) | 2019-03-20 | 2019-03-20 | electromagnetic wire coil with reliable temperature measurement |
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| CN (1) | CN210007940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375197A (en) * | 2020-03-10 | 2021-09-10 | 宁波方太厨具有限公司 | Electromagnetic stove |
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2019
- 2019-03-20 CN CN201920355676.0U patent/CN210007940U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375197A (en) * | 2020-03-10 | 2021-09-10 | 宁波方太厨具有限公司 | Electromagnetic stove |
| CN113375197B (en) * | 2020-03-10 | 2023-03-14 | 宁波方太厨具有限公司 | Electromagnetic stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230802 Address after: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee after: Shandong Jiuchuang Home Appliance Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |
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| TR01 | Transfer of patent right |