CN210018896U - Ceramic temperature sensor for pot bottom of electric rice cooker and electric pressure cooker - Google Patents
Ceramic temperature sensor for pot bottom of electric rice cooker and electric pressure cooker Download PDFInfo
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- CN210018896U CN210018896U CN201822217456.XU CN201822217456U CN210018896U CN 210018896 U CN210018896 U CN 210018896U CN 201822217456 U CN201822217456 U CN 201822217456U CN 210018896 U CN210018896 U CN 210018896U
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- temperature fuse
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Abstract
The utility model discloses a ceramic temperature sensor at the bottom of an electric rice cooker and an electric pressure cooker, which has simple structure, low cost, easy processing and high heat conduction efficiency. The utility model comprises a ceramic cover, a thermistor, a temperature fuse, a copper terminal, a thermistor lead, a temperature fuse lead, a plastic part, a spring and a fixed chassis; the thermistor and the thermistor lead are connected together through a group of copper terminals, and the temperature fuse lead are connected together through another group of copper terminals; the top of the plastic part is provided with an inner cavity, the thermistor and the temperature fuse are arranged in the inner cavity, and the thermistor lead and the temperature fuse lead penetrate out of the plastic part from the bottom of the plastic part; the ceramic cover is in threaded connection with the top of the plastic part; the fixed chassis is arranged at a position, close to the bottom, of the plastic part, a flange is arranged in a protruding mode in the radial direction of the plastic part, and a spring is arranged between the flange and the fixed chassis.
Description
Technical Field
The utility model relates to a temperature sensor, concretely relates to ceramic temperature sensor at bottom of electric rice cooker and electric pressure cooker.
Background
At present, the most widely used is composed of various metal parts, various sleeves, wires and electronic materials, and the defects are as follows:
①, the structure is complex, the processing difficulty is high, and the cost is high.
② since the aluminum shell is a metal material, it must pass the test of electric strength and insulation strength in the household appliance industry, and it is easy to be broken down, and the aluminum shell must be oxidized and sand blasted after being stretched, which results in high reject ratio and serious environmental protection problem.
③ due to the metal conducting parts (aluminum housing), there must be a grounding device and a grounding wire according to the national safety standards.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough among the above-mentioned prior art, disclose a ceramic temperature sensor at bottom of electricity rice cooker and electric pressure cooker, its simple structure, with low costs, easily processing, heat conduction efficiency is high.
The utility model provides a technical scheme that its technical problem adopted is: a ceramic temperature sensor for the bottoms of electric cookers and electric pressure cookers comprises a ceramic cover, a thermistor, a temperature fuse, a copper terminal, a thermistor lead, a temperature fuse lead, a plastic part, a spring and a fixed chassis; the thermistor and the thermistor lead are connected together through a group of copper terminals, and the temperature fuse lead are connected together through another group of copper terminals;
the top of the plastic part is provided with an inner cavity, the thermistor and the temperature fuse are arranged in the inner cavity, and the thermistor lead and the temperature fuse lead penetrate out of the plastic part from the bottom of the plastic part; the ceramic cover is in threaded connection with the top of the plastic part;
the fixed chassis is arranged at a position, close to the bottom, of the plastic part, a flange is arranged in a protruding mode in the radial direction of the plastic part, and a spring is arranged between the flange and the fixed chassis;
the ceramic cover, the thermistor, the temperature fuse and the plastic part are also bonded through an adhesive.
As a preferred embodiment of the present invention: a partition plate is arranged in an inner cavity at the top of the plastic part, a thermistor cushion block is arranged on one side of the partition plate, a thermistor limiting groove is formed in the thermistor cushion block, and the thermistor is embedded into the thermistor limiting groove and is bonded to the thermistor limiting groove through an adhesive; the temperature fuse is embedded into the temperature fuse limiting groove and is bonded on the temperature fuse limiting groove through an adhesive.
As a preferred embodiment of the present invention: the copper terminal connected with the thermistor and the wire is in welded connection, and the cross section of the copper terminal is C-shaped; the temperature fuse is connected with a copper terminal of the temperature fuse wire in a welding mode, and the section of the temperature fuse is hollow trapezoid.
As a preferred embodiment of the present invention: clamping blocks are arranged on two sides of the flange of the plastic part; and the fixed chassis is provided with an installation sheet for assembly, and the installation sheet is provided with a threaded hole.
As a preferred embodiment of the present invention: the flange is Z type structure, the plastic part still contains cylindrical extension, the spring suit is on the surface of cylindrical extension, the flange contains with the spacing portion of the parallel spring of cylindrical extension table, the top of spring be located the spacing portion of spring with between the cylindrical extension.
As a preferred embodiment of the present invention: the ceramic cover is made of 95 ceramics.
Compared with the prior art, the utility model has the following advantage:
the utility model discloses a ceramic temperature sensor at the bottom of an electric rice cooker and an electric pressure cooker, the utility model discloses a pottery has solved electrical strength and dielectric strength as heat-conduction device. The electrical strength may be increased from AC1800V to AC 4000V; the utility model discloses cancelled earthing device and earth connection and various insulation support, reduced manufacturing cost, improved market competition. The whole structure is simple, the cost is low and the processing is easy; the utility model discloses a compact structure heat-conduction time has improved within 20 seconds by 30 seconds, has realized the product temperature sensing uniformity.
Drawings
Fig. 1 is a schematic structural view of a front view direction of an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 2 along line A-A;
FIG. 4 is a schematic view of the structure of FIG. 2 along the line B-B;
FIG. 5 is a schematic view of the structure of FIG. 2 in the direction of C-C;
FIG. 6 is a schematic side view of an embodiment of the present invention;
fig. 7 is a schematic structural view of an embodiment of the present invention in a bottom view;
fig. 8 is a schematic structural view of a plastic part according to an embodiment of the present invention;
fig. 9 is a schematic view of an assembly structure of the thermistor, the copper terminal and the thermistor lead according to the present invention;
fig. 10 is a schematic view of an assembly structure of the thermal fuse, the copper terminal and the thermal fuse wire according to the present invention;
fig. 11 is a schematic structural diagram of an embodiment of the copper terminal of the present invention;
fig. 12 is a schematic structural view of another embodiment of the copper terminal according to the present invention.
Description of reference numerals:
1-ceramic cover, 2-thermistor, 3-temperature fuse, 4-copper terminal, 5-thermistor lead, 6-temperature fuse lead, 7-plastic piece, 8-spring, 9-fixing chassis, 10-thermistor cushion block, 11-thermistor limit groove, 12-temperature fuse cushion block and 13-temperature fuse limit groove.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
As shown in fig. 1 to 12, which show a specific embodiment of the present invention; as shown in the figures, the utility model discloses a ceramic temperature sensor for the bottom of an electric rice cooker and an electric pressure cooker, which comprises a ceramic cover 1, a thermistor 2, a temperature fuse 3, a copper terminal 4, a thermistor lead 5, a temperature fuse lead 6, a plastic part 7, a spring 8 and a fixed chassis 9; the thermistor and the thermistor lead are connected together through one group of copper terminals 4, and the temperature fuse lead are connected together through the other group of copper terminals 4;
the top of the plastic part 7 is provided with an inner cavity, the thermistor and the temperature fuse are arranged in the inner cavity, and the thermistor lead and the temperature fuse lead penetrate out of the plastic part 7 from the bottom of the plastic part; the ceramic cover is in threaded connection with the top of the plastic part;
the fixed chassis 9 is arranged at a position of the plastic part close to the bottom, a flange is convexly arranged in the radial direction of the plastic part, and a spring 8 is arranged between the flange and the fixed chassis;
the ceramic cover, the thermistor, the temperature fuse and the plastic part are also bonded through an adhesive. The utility model discloses an adhesive all is high temperature resistant high temperature adhesive for bonding effect is more reliable.
Preferably, as shown in fig. 8: a partition plate is arranged in an inner cavity at the top of the plastic part, a thermistor cushion block 10 is arranged on one side of the partition plate, a thermistor limiting groove 11 is formed in the thermistor cushion block, and the thermistor is embedded into the thermistor limiting groove and is bonded to the thermistor limiting groove through an adhesive; the other side of baffle is provided with temperature fuse cushion 12, sets up temperature fuse spacing groove 13 on the temperature fuse cushion, the temperature fuse imbeds in the temperature fuse spacing groove and bond on the temperature fuse spacing groove through the adhesive. The separation of baffle helps thermistor and temperature fuse's reliable independent work, and simultaneously, the cushion is used for the spacing fixed of reliable support for stable in structure is reliable after whole subassembly installation.
Preferably, as shown in fig. 11 and 12: the copper terminal connected with the thermistor and the wire is in welded connection, and the cross section of the copper terminal is C-shaped; the temperature fuse is connected with a copper terminal of the temperature fuse wire in a welding mode, and the section of the temperature fuse is hollow trapezoid. The thermistor has small volume, and the C-shaped copper terminal can be reliably clamped; the volume of the temperature fuse is large, the trapezoidal copper terminal can be reliably wrapped, and the electric connection is stable after welding.
Preferably, as shown in fig. 1, 3, 4, 5, 6, 7, 8: clamping blocks are arranged on two sides of the flange of the plastic part; and the fixed chassis is provided with an installation sheet for assembly, and the installation sheet is provided with a threaded hole. The fixture block is used for embedding and fixing, and the installation sheet can enable the fixed chassis to be conveniently and fixedly assembled.
Preferably, as shown in fig. 1, 3, 4, 5, 6, 7, 8: as shown in the figure, the flange is of a Z-shaped structure, the plastic part further comprises a columnar extension part, the spring is sleeved on the surface of the columnar extension part, the flange comprises a spring limiting part parallel to the surface of the columnar extension part, and the top end of the spring is located between the spring limiting part and the columnar extension part. The spring top can make the elasticity direction more smooth and easy by spacing back.
Preferably, as shown in the figure: the ceramic cover is made of 95 ceramics. The heating plate type electric cooker and the electric pressure cooker bottom temperature sensor mainly made of ceramic materials are finally formed, and due to the fact that 95 ceramics which are high in temperature resistance, high in insulating strength and fast in heat conduction are used, the grounding wire mode of the old cooker bottom sensor is cancelled, and high-temperature adhesives are used for bonding, so that the bonding performance is firm, the falling is avoided, the water is prevented, and the performance is more reliable.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an electric rice cooker and electric pressure cooker pot bottom ceramic temperature sensor which characterized in that: the device comprises a ceramic cover, a thermistor, a temperature fuse, a copper terminal, a thermistor lead, a temperature fuse lead, a plastic part, a spring and a fixed chassis; the thermistor and the thermistor lead are connected together through a group of copper terminals, and the temperature fuse lead are connected together through another group of copper terminals;
the top of the plastic part is provided with an inner cavity, the thermistor and the temperature fuse are arranged in the inner cavity, and the thermistor lead and the temperature fuse lead penetrate out of the plastic part from the bottom of the plastic part; the ceramic cover is in threaded connection with the top of the plastic part;
the fixed chassis is arranged at a position, close to the bottom, of the plastic part, a flange is arranged in a protruding mode in the radial direction of the plastic part, and a spring is arranged between the flange and the fixed chassis;
the ceramic cover, the thermistor, the temperature fuse and the plastic part are also bonded through an adhesive.
2. The ceramic temperature sensor for the bottom of the electric cooker and the electric pressure cooker as claimed in claim 1, wherein: a partition plate is arranged in an inner cavity at the top of the plastic part, a thermistor cushion block is arranged on one side of the partition plate, a thermistor limiting groove is formed in the thermistor cushion block, and the thermistor is embedded into the thermistor limiting groove and is bonded to the thermistor limiting groove through an adhesive; the temperature fuse is embedded into the temperature fuse limiting groove and is bonded on the temperature fuse limiting groove through an adhesive.
3. The ceramic temperature sensor for the bottom of the electric cooker and the electric pressure cooker as claimed in claim 1, wherein: the copper terminal connected with the thermistor and the wire is in welded connection, and the cross section of the copper terminal is C-shaped; the temperature fuse is connected with a copper terminal of the temperature fuse wire in a welding mode, and the section of the temperature fuse is hollow trapezoid.
4. The ceramic temperature sensor for the bottom of the electric cooker and the electric pressure cooker as claimed in claim 1, wherein: clamping blocks are arranged on two sides of the flange of the plastic part; and the fixed chassis is provided with an installation sheet for assembly, and the installation sheet is provided with a threaded hole.
5. The ceramic temperature sensor for the bottom of the electric cooker and the electric pressure cooker as claimed in claim 1, wherein: the flange is Z type structure, the plastic part still contains cylindrical extension, the spring suit is on the surface of cylindrical extension, the flange contains with the spacing portion of the parallel spring of cylindrical extension table, the top of spring be located the spacing portion of spring with between the cylindrical extension.
6. The ceramic temperature sensor for the bottom of the electric cooker and the electric pressure cooker as claimed in claim 1, wherein: the ceramic cover is made of 95 ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822217456.XU CN210018896U (en) | 2018-12-27 | 2018-12-27 | Ceramic temperature sensor for pot bottom of electric rice cooker and electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822217456.XU CN210018896U (en) | 2018-12-27 | 2018-12-27 | Ceramic temperature sensor for pot bottom of electric rice cooker and electric pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210018896U true CN210018896U (en) | 2020-02-07 |
Family
ID=69343317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822217456.XU Active CN210018896U (en) | 2018-12-27 | 2018-12-27 | Ceramic temperature sensor for pot bottom of electric rice cooker and electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210018896U (en) |
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2018
- 2018-12-27 CN CN201822217456.XU patent/CN210018896U/en active Active
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