CN209945559U - Detection tool for improving temperature detection precision - Google Patents
Detection tool for improving temperature detection precision Download PDFInfo
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- CN209945559U CN209945559U CN201920465655.4U CN201920465655U CN209945559U CN 209945559 U CN209945559 U CN 209945559U CN 201920465655 U CN201920465655 U CN 201920465655U CN 209945559 U CN209945559 U CN 209945559U
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Abstract
The application provides a detection frock of temperature detection precision is improved. The detection tool comprises a clamping assembly and a temperature sensing piece. The centre gripping subassembly is used for the centre gripping to wait to detect on the components and parts, and temperature sensing piece sets up on the centre gripping subassembly, and temperature sensing piece includes and waits to detect the detection face that the components and parts laminated mutually, has seted up on the temperature sensing piece and has detected the jack, detects the jack and parallels with the detection face, detects the detection head that the jack is used for the grafting thermocouple. The detection tool is fixed on the component to be detected through the clamping assembly, and the detection surface of the temperature sensing piece is attached to the component to be detected. The detection head of the thermocouple is inserted into the detection jack, the distance between the detection head of the thermocouple and the surface of the component can be kept constant due to the fact that the detection jack is parallel to the detection surface, the distance between the detection head of the thermocouple and the surface of the component can be guaranteed, the distance between the detection jack and the detection surface is set, the precision of the distance can be guaranteed, and the accuracy of measuring the heating temperature value is guaranteed.
Description
Technical Field
The utility model relates to a check out test set technical field particularly, relates to an improve detection frock of temperature detection precision.
Background
The heating test is used as a test for measuring the surface temperature rise of the components, occupies an important position in electrical safety inspection, and can judge whether the components in the unit are normal or not and whether the electrical safety meets requirements or not through temperature values. Wherein accurate temperature is the key to the judgment.
Generally, the heating test is performed by arranging a thermocouple on the surface of the component or at a distance from the surface, for example, running for 2 hours under a low-voltage maximum refrigeration condition or a high-voltage maximum refrigeration condition, and then reading a temperature value measured by the thermocouple. The distance between the thermocouple and the surface of the component can affect the measured temperature value, and the accuracy of the distance between the thermocouple and the surface of the component can affect the reliability of the temperature.
However, at present, the distribution of the thermocouples is usually completed manually, and the distance deviation is large, which affects the accuracy of the measurement of the heating temperature value.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an improve detection frock of temperature detection precision to solve the technical problem that detection frock exists among the prior art.
The embodiment of the application provides a detect frock, include: the clamping assembly is used for clamping the component to be detected; the temperature sensing piece is arranged on the clamping assembly, the temperature sensing piece comprises a detection surface which is attached to the component to be detected, a detection jack is arranged on the temperature sensing piece, the detection jack is parallel to the detection surface, and the detection jack is used for detecting a detection head of the inserted thermocouple.
In one embodiment, the detection jacks are arranged in parallel at equal intervals.
In one embodiment, the plurality of detection jacks are sequentially arranged in a direction perpendicular to the detection surface.
In one embodiment, the temperature sensing element is further provided with a fixing portion for fixing the transmission line of the thermocouple.
In one embodiment, the fixing portion is a fixing sleeve, and the thermocouple is fixed by being threaded in the fixing sleeve.
In one embodiment, a clamping assembly comprises: the first end of the connecting frame is connected with the temperature sensing piece; the clamping piece sets up the second end at the link, and the clamping piece cooperates the centre gripping with temperature sensing piece on waiting to detect components and parts.
In one embodiment, a clamping member includes: a clamping frame; the telescopic fixing part is arranged on the clamping frame and can extend out relative to the component to be detected so as to realize clamping of the temperature sensing part.
In one embodiment, the retractable fixing member includes a fixing bolt mounted on and threadedly coupled to the clamping frame, the fixing bolt being rotated to extend or retract relative to the clamping frame.
In one embodiment, the retractable fixing part comprises a fixing piece, the fixing piece is arranged on the fixing bolt, and the fixing piece is used for abutting against the component to be detected.
In one embodiment, the detection tool is a thermocouple arrangement tool.
In the above embodiment, will detect the frock through the centre gripping subassembly and fix on waiting to detect the components and parts, let the detection face of temperature sensing spare with wait to detect the components and parts and laminate mutually. The detection head of the thermocouple is inserted into the detection jack, the distance between the detection head of the thermocouple and the surface of the component can be kept constant due to the fact that the detection jack is parallel to the detection surface, the distance between the detection head of the thermocouple and the surface of the component can be guaranteed, the distance between the detection jack and the detection surface is set, the precision of the distance can be guaranteed, and the accuracy of measuring the heating temperature value is guaranteed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of a detection tool for improving temperature detection accuracy according to the present invention;
FIG. 2 is a schematic side view of the inspection tool of FIG. 1;
fig. 3 is a schematic structural diagram of the detection tool of fig. 1 in an application state.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Fig. 1 and 3 show the utility model discloses an improve detection frock of temperature detection precision, this detection frock includes centre gripping subassembly 10 and temperature sensing piece 20. The clamping assembly 10 is used for clamping on a component 40 to be detected, the temperature sensing piece 20 is arranged on the clamping assembly 10, the temperature sensing piece 20 comprises a detection surface 21 attached to the component 40 to be detected, a detection jack 22 is arranged on the temperature sensing piece 20, the detection jack 22 is parallel to the detection surface 21, and the detection jack 22 is used for plugging a detection head of the thermocouple 30.
Use the technical scheme of the utility model, will detect the frock through centre gripping subassembly 10 and fix on waiting to detect components and parts 40, let the detection face 21 of temperature sensing piece 20 with wait to detect that components and parts 40 are laminated mutually. The detection head of the thermocouple 30 is inserted into the detection jack 22, the distance between the detection head of the thermocouple 30 and the surface of the component can be kept constant due to the fact that the detection jack 22 is parallel to the detection surface 21, the distance between the detection head of the thermocouple 30 and the surface of the component can be guaranteed, the distance between the detection jack 22 and the detection surface 21 is set, the precision of the distance can be guaranteed, and the accuracy of measuring the heating temperature value is guaranteed.
Adopt the technical scheme of the utility model, can realize detecting the quick installation of frock, convenient to use through centre gripping subassembly 10.
The sensing head of the thermocouple 30 is a circular Pt metal whose resistance varies with temperature. In this embodiment, the component 40 to be detected is an ac contactor, and as a heating component, heat is diffused from the heating source to the periphery, and the farther away from the heating source, the lower the temperature, and when the distance deviates, the temperature also deviates. Use the utility model discloses a detection frock can realize the accurate temperature measurement to ac contactor.
In a preferred embodiment, as shown in fig. 1, a plurality of detection insertion holes 22 are provided, and the plurality of detection insertion holes 22 are arranged in parallel at equal intervals. Thus, the distances between the detection insertion holes 22 and the detection surface 21 can be different, and the measurement distance of the thermocouple 30 can be adjusted by selecting an appropriate distance in actual use. Preferably, in the solution of the present embodiment, the plurality of detection insertion holes 22 are sequentially arranged in a direction perpendicular to the detection surface 21.
Specifically, as shown in fig. 3, in the technical solution of this embodiment, there are 10 detection insertion holes 22, each detection insertion hole 22 is a circular hole with a certain depth, the detection insertion hole 22 is located below the temperature sensing part 20, the aperture of the detection insertion hole 22 matches with the outer diameter of the thermocouple 30, the distance between two adjacent detection insertion holes 22 is 1mm, and the distance between the rightmost detection insertion hole 22 and the detection surface 21 is also 1 mm. 10 detect jack 22 can realize measuring the temperature rise that generates heat apart from the surperficial 1 ~ 10mm distance of components and parts. As shown in fig. 3, the detection insertion hole 22 at a distance of 5mm from the surface of the ac contactor is inserted into the detection head of the thermocouple 30.
As another alternative, a plurality of detection holes 22 may be arranged in an angular direction with respect to the detection surface 21, so as to avoid the detection holes 22 located near the detection surface 21 from affecting the heat transfer of the temperature sensing member 20.
As shown in fig. 2, in a preferred embodiment, the temperature sensing element 20 is further provided with a fixing portion 23, and the fixing portion 23 is used for fixing the transmission line of the thermocouple 30. The transmission line of the thermocouple 30 is fixed by the fixing portion 23, and the detection head of the thermocouple 30 can be prevented from coming out of the detection insertion hole 22. The fixing portion 23 may also wire the transmission line of the thermocouple 30. In a preferred embodiment, the fixing portion 23 is a fixing sleeve, and the thermocouple 30 is fixed by being inserted into the fixing sleeve. As other alternative embodiments, the fixing portion 23 may also be a clip or a clip.
As shown in fig. 1, in the solution of the present embodiment, the clamping assembly 10 includes a connecting frame 11 and a clamping member 12. The first end of the connecting frame 11 is connected with the temperature sensing element 20, the clamping element 12 is arranged at the second end of the connecting frame 11, and the clamping element 12 and the temperature sensing element 20 are clamped on the component to be detected 40 in a matching mode. In use, the clamping member 12 and the temperature sensing element 20 are placed across the component 40 to be tested by the connecting frame 11, and then the clamping member 12 is operated to cooperate with the temperature sensing element 20 and clamped on the component 40 to be tested.
Optionally, in the solution of the present embodiment, the clamping member 12 includes a clamping frame 121 and a retractable fixing member. A retractable fixing member is mounted on the clamping frame 121, and the retractable fixing member can be extended relative to the component 40 to be tested to realize clamping in cooperation with the temperature sensing element 20. By operating the retractable fixing member to extend, the retractable fixing member can cooperate with the temperature sensing member 20 to clamp the component 40 to be detected, so that the detection surface 21 is tightly attached to the component 40 to be detected. Preferably, as shown in fig. 3, the retractable fixing member includes a fixing bolt 122, the fixing bolt 122 is mounted on the clamping frame 121 and is threadedly coupled with the clamping frame 121, and the fixing bolt 122 is rotated to extend or retract with respect to the clamping frame 121. In use, the fixing bolt 122 is screwed to extend relative to the clamping frame 121 to cooperate with the temperature sensing element 20 to clamp the component 40 to be tested. After the measurement is completed, the fixing bolt 122 is reversely screwed to retract, so that the detection tool can be detached. Therefore, the detection tool can be simply installed and detached.
More preferably, as shown in fig. 3, in the solution of the present embodiment, the retractable fixing member further includes a fixing piece 123, the fixing piece 123 is mounted on the fixing bolt 122, and the fixing piece 123 is used for abutting against the component 40 to be detected. In use, the fixing piece 123 can realize better contact with the component 40 to be detected, and further realize more stable clamping of the component 40 to be detected. In the technical scheme of this embodiment, the fixing sheet 123 is a metal sheet and is in direct contact with a heat-generating component such as an ac contactor, and the area of the fixing sheet 123 is relatively large, so as to avoid damage to the component due to direct contact between the fixing bolt 122 and the surface of the heat-generating component.
It should be noted that, the technical solution of the detection tool is particularly suitable for a thermocouple arrangement tool.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an improve detection frock of temperature detection precision which characterized in that includes:
the clamping assembly (10) is used for clamping the component (40) to be detected;
the temperature sensing piece (20) is arranged on the clamping assembly (10), the temperature sensing piece (20) comprises a detection surface (21) attached to the component (40) to be detected, a detection jack (22) is formed in the temperature sensing piece (20), the detection jack (22) is parallel to the detection surface (21), and the detection jack (22) is used for being plugged with a detection head of the thermocouple (30).
2. The detection tool for improving the temperature detection precision according to claim 1, wherein the number of the detection insertion holes (22) is multiple, and the detection insertion holes (22) are arranged in parallel at equal intervals.
3. The detection tool for improving the temperature detection precision according to claim 2, wherein the detection insertion holes (22) are sequentially arranged along a direction perpendicular to the detection surface (21).
4. The detection tool for improving the temperature detection precision according to claim 1, wherein a fixing portion (23) is further disposed on the temperature sensing member (20), and the fixing portion (23) is used for fixing the transmission line of the thermocouple (30).
5. The detection tool for improving the temperature detection precision according to claim 4, wherein the fixing portion (23) is a fixing sleeve, and the thermocouple (30) is fixed by being threaded in the fixing sleeve.
6. The detection tool for improving the temperature detection precision according to claim 1, wherein the clamping assembly (10) comprises:
a connecting frame (11), wherein a first end of the connecting frame (11) is connected with the temperature sensing piece (20);
and the clamping piece (12) is arranged at the second end of the connecting frame (11), and the clamping piece (12) and the temperature sensing piece (20) are clamped on the component (40) to be detected in a matching way.
7. The detection tool for improving the temperature detection precision according to claim 6, wherein the clamping member (12) comprises:
a clamping frame (121);
and the telescopic fixing part is arranged on the clamping frame (121), and can extend relative to the component (40) to be detected so as to realize clamping in cooperation with the temperature sensing part (20).
8. The detection tool for improving the temperature detection precision according to claim 7, wherein the retractable fixing component comprises a fixing bolt (122), the fixing bolt (122) is mounted on the clamping frame (121) and is in threaded connection with the clamping frame (121), and the fixing bolt (122) is rotated to extend or retract relative to the clamping frame (121).
9. The detection tool for improving the temperature detection precision according to claim 8, wherein the retractable fixing part comprises a fixing plate (123), the fixing plate (123) is mounted on the fixing bolt (122), and the fixing plate (123) is used for abutting against the component (40) to be detected.
10. The detection tool for improving the temperature detection precision according to any one of claims 1 to 9, wherein the detection tool for improving the temperature detection precision is a thermocouple arrangement tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465655.4U CN209945559U (en) | 2019-04-04 | 2019-04-04 | Detection tool for improving temperature detection precision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465655.4U CN209945559U (en) | 2019-04-04 | 2019-04-04 | Detection tool for improving temperature detection precision |
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| CN209945559U true CN209945559U (en) | 2020-01-14 |
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| CN201920465655.4U Active CN209945559U (en) | 2019-04-04 | 2019-04-04 | Detection tool for improving temperature detection precision |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974872A (en) * | 2019-04-04 | 2019-07-05 | 珠海格力电器股份有限公司 | Improve the detecting tool of temperature detecting precision |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974872A (en) * | 2019-04-04 | 2019-07-05 | 珠海格力电器股份有限公司 | Improve the detecting tool of temperature detecting precision |
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