CN217059081U - Facing induction type temperature sensing probe device - Google Patents
Facing induction type temperature sensing probe device Download PDFInfo
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- CN217059081U CN217059081U CN202220340842.1U CN202220340842U CN217059081U CN 217059081 U CN217059081 U CN 217059081U CN 202220340842 U CN202220340842 U CN 202220340842U CN 217059081 U CN217059081 U CN 217059081U
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Abstract
The application provides a veneering induction type temperature sensing probe device, which comprises a temperature sensing probe and a lead thereof, wherein the temperature sensing probe consists of a temperature sensing chip and an insulating part, a temperature sensing chip accommodating groove cavity and a lead groove cavity are arranged in the insulating part, the two groove cavities are communicated, and heat-conducting insulating glue is filled in the two groove cavities; the lead and the temperature sensing chip pin are jointed by a cold pressing copper tape clamp and clamped in the lead groove cavity. The technical scheme has excellent insulation protection, a large and attached temperature sensing contact surface, a reliable lead connecting structure and small size.
Description
Technical Field
The application relates to a temperature sensing device, in particular to a sealing device for a temperature sensing device, which influences the temperature sensing performance.
Background
The temperature sensing device is in good conduction contact with the detected part, and is the primary condition for obtaining accurate temperature sensing output. Taking a temperature measuring probe device with motor temperature protection as an example, in particular to a temperature measuring probe device of a traction motor, due to the technical reason of a metal forming process, a temperature sensing chip is hermetically packaged in a cylindrical metal shell, the diameter of the temperature sensing chip is more than 3mm, and an insulating layer is required to be additionally arranged when the probe is installed in the conventional temperature sensing probe. The motor winding is formed by winding a copper flat wire, and the cylindrical probe temperature sensing device cannot contact with the copper flat wire for comprehensive temperature sensing, so that the technical defect that the temperature sensing accuracy is influenced exists. In order to make up for the technical deficiency, a metal shell structure is cancelled, an upper insulating layer and a lower insulating layer are attached to wrap a temperature sensing chip, and a strip-shaped temperature sensing device product is manufactured, wherein the chip part of the product is in a raised state as shown in figure 1, so the improvement range of the contact temperature sensing performance is limited, the protection of a metal hard shell is lost, the long-term working vibration is difficult to resist, and in the working environment and the installation process, the whole device is easy to lose efficacy due to limited vibration resistance and stretching resistance, so the temperature protection is a nominal value.
Disclosure of Invention
The invention aims to simplify the assembly structure and greatly improve the temperature sensing contact performance and the vibration resistance of a temperature sensing device, and provides a veneering sensing type temperature sensing probe device.
The application provides a technical scheme of wainscot response type temperature sensing probe device, its main technical content is: the utility model provides a wainscot response type temperature-sensing probe device, includes temperature-sensing probe and its lead wire, temperature-sensing probe constitute by temperature-sensing chip and insulating part, insulating part wherein, for being equipped with the temperature-sensing chip and holding the insulating plate body in vallecular cavity and lead wire vallecular cavity, its lead wire vallecular cavity with hold the vallecular cavity and communicate with each other, temperature-sensing chip and rather than the pin connection section of being connected fill fixedly by heat conduction insulating cement.
In a preferred embodiment of the above-mentioned overall technical solution, the insulating part is formed by buckling an upper insulating shell and a lower insulating shell.
In one preferred embodiment of the above integral technical solution, the lead slot cavity is a bifurcated slot cavity, and the inner end of the lead slot cavity is communicated with the accommodating slot cavity and is divided into bifurcated sections by insulation intervals.
In one preferred embodiment of the above overall technical scheme, a clamping boss is arranged on the cavity wall of the forked groove cavity, a cold-pressing copper strip clamp is arranged at the connecting position of the lead and the pin of the temperature sensing chip, and the outer end of the copper strip clamp is clamped on the clamping boss.
The technical scheme of the facing induction type temperature sensing probe device disclosed in the patent application, its temperature sensing chip had both had good insulation protection, still had big and the temperature sensing contact surface of laminating, had more excellent, reliable pin connection structure, and the size is small and exquisite, and the width is not more than the diameter of above-mentioned cylindrical device, and its temperature sensing performance and anti vibration, lead wire stretch-proofing performance all far superior to present product.
Drawings
FIG. 1 is a cross-sectional block diagram of the general assembly of the present patent application.
Fig. 2 is an enlarged structural view of a dotted circle portion of fig. 1.
Fig. 3 is an enlarged structural view of a dotted circle portion of fig. 2.
Detailed Description
The attached drawing shows a structure diagram of an embodiment of a veneer induction type temperature sensing probe device of the patent application. The veneering induction type temperature sensing probe device comprises a temperature sensing probe 10 and a lead 2 thereof, wherein the temperature sensing probe 10 consists of a temperature sensing chip 1 and an insulating part 3, a core wire of the lead 2 is electrically connected with a pin of the temperature sensing chip 1, and a temperature sensing signal is transmitted from the lead 2 to an instrument end.
The insulating part 3 is used as an insulating protective body of the temperature sensing chip 1 and is a plate insulating shell provided with a containing groove cavity 4 and a lead groove cavity 8 of the temperature sensing chip, and the insulating part 3 can be made of bismaleimide laminated glass cloth plate materials.
The lead wire groove cavity 8 is communicated with the accommodating groove cavity 4, and after a core wire of the lead wire 2 with the insulating layer removed is electrically connected with the pin 5 of the temperature sensing chip 1, the insulating part 3 is led out from the lead wire groove cavity 8 and is connected to a data receiving end on the instrument side; the temperature sensing chip 1, the pin 5 thereof and the lead 2 electrically connected with the pin 5 are filled and fixed in the respective groove cavities by the heat-conducting insulating glue 7.
The insulating part 3 is formed by buckling, fixing and assembling an upper insulating shell and a lower insulating shell.
Under the condition of facing the space limitation of the groove cavity, the anti-stretching performance between the temperature sensing probe 10 and the lead 2 is solved, the lead groove cavity 8 is a forked groove cavity, the inner end of the lead groove cavity is communicated with the accommodating groove cavity 4, and the forked section is separated by an insulation interval 9. The clamping boss 11 is arranged on the cavity wall of the forked groove cavity, the cold-welded copper strip clamp 6 is arranged at the position where the lead 2 is electrically connected with the pin 5 of the temperature sensing chip 1, the outer port of the copper strip clamp 6 is just clamped on the clamping boss 11 while the electrical connection is enhanced, the tensile strength of the electrical connection between the temperature sensing chip 1 and the lead 2 is improved and protected, the accommodating volume is not increased, and the technical advantage of small volume of the temperature sensing device is kept.
Claims (4)
1. The utility model provides a wainscot response type temperature-sensing probe device, includes temperature-sensing probe (10) and its lead wire (2), temperature-sensing probe (10) constitute by temperature-sensing chip (1) and insulating part (3), its characterized in that, insulating part (3) wherein, for being equipped with the temperature-sensing chip and holding the insulating plate body of vallecular cavity (4) and lead wire vallecular cavity (8), its lead wire vallecular cavity (8) with hold vallecular cavity (4) and communicate with each other, temperature-sensing chip (1) and lead wire (2) linkage segment rather than being connected are filled fixedly by heat conduction insulating cement (7).
2. The veneer induction type temperature sensing probe device according to claim 1, wherein the insulating part (3) is formed by buckling an upper insulating shell and a lower insulating shell.
3. The surface induction type temperature sensing probe apparatus according to claim 1 or 2, wherein the lead wire cavity (8) is a bifurcated cavity, the inner end of which is communicated with the accommodation cavity (4) and is divided into bifurcated sections by an insulation partition (9).
4. The veneering induction type temperature sensing probe device according to claim 3, wherein a clamping boss (11) is arranged on the cavity wall of the forked groove cavity, a cold-pressing copper band clamp (6) is arranged at the connecting position of the lead (2) and the temperature sensing chip pin (5), and the outer end of the copper band clamp (6) is clamped on the clamping boss (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220340842.1U CN217059081U (en) | 2022-02-21 | 2022-02-21 | Facing induction type temperature sensing probe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220340842.1U CN217059081U (en) | 2022-02-21 | 2022-02-21 | Facing induction type temperature sensing probe device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217059081U true CN217059081U (en) | 2022-07-26 |
Family
ID=82487285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220340842.1U Active CN217059081U (en) | 2022-02-21 | 2022-02-21 | Facing induction type temperature sensing probe device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217059081U (en) |
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2022
- 2022-02-21 CN CN202220340842.1U patent/CN217059081U/en active Active
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