CN213633252U - Heat dissipation material performance detection device - Google Patents
Heat dissipation material performance detection device Download PDFInfo
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- CN213633252U CN213633252U CN202022840837.0U CN202022840837U CN213633252U CN 213633252 U CN213633252 U CN 213633252U CN 202022840837 U CN202022840837 U CN 202022840837U CN 213633252 U CN213633252 U CN 213633252U
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- 238000001514 detection method Methods 0.000 title claims abstract description 54
- 239000000463 material Substances 0.000 title claims abstract description 49
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 239000002390 adhesive tape Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 238000012356 Product development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a heat sink material performance detects technical field, especially relates to a heat sink material performance detection device. The heat dissipation material performance detection device comprises a first pressing plate, a thermal resistor and a temperature acquisition assembly, wherein the temperature acquisition assembly comprises a temperature sensor and a temperature acquisition instrument. The first pressing plate is used for laying a sample to be detected; the thermal resistor comprises a heating part and a terminal part, the heating part is in contact with a sample to be detected, and the terminal part is electrically connected with an external power supply so that the heating part can provide a constant heat source for the sample to be detected; the temperature sensor sets up on heating portion, and the temperature value and the check-out time that temperature collection appearance is used for gathering temperature sensor detection can be judged the heat dispersion of waiting to detect the sample according to the temperature value along with the trend of change of check-out time. The heat dissipation material performance detection device is accurate in detection result, simple in structure and convenient to operate, and can shorten detection time and reduce cost.
Description
Technical Field
The utility model relates to a heat sink material performance detects technical field, especially relates to a heat sink material performance detection device.
Background
Along with the volume of electronic products is smaller and smaller, the functions are more and more powerful, the electronic products have higher requirements on heat dissipation, and the heat dissipation adhesive tape is generally selected to improve the heat dissipation performance of the electronic products. When the heat dissipation adhesive tape is selected, special instrument equipment is required to be used for detecting the performance of the heat dissipation adhesive tape, the existing heat dissipation adhesive tape performance detection instrument is complex to operate and high in price, the use cost of the heat dissipation adhesive tape is increased, and the product development period is prolonged.
Therefore, a low-cost and easy-to-operate device for detecting the performance of a heat dissipating material is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat sink material performance detection device, the testing result is accurate, and simple structure, the operation of being convenient for can shorten check-out time, reduce cost.
Another object of the utility model is to provide a heat sink material performance detection method, based on above-mentioned heat sink material performance detection device, the testing result is accurate, the operation of being convenient for, and check-out time is short, and is with low costs.
In order to realize the purpose, the following technical scheme is provided:
in one aspect, a device for detecting performance of a heat dissipation material is provided, including:
the first pressing plate is used for laying a sample to be detected;
the thermal resistor comprises a heating part and a terminal part, the heating part is in contact with the sample to be detected, and the terminal part is electrically connected with an external power supply so that the heating part can provide a constant heat source for the sample to be detected;
the temperature acquisition assembly comprises a temperature sensor and a temperature acquisition instrument, wherein the temperature sensor is arranged on the heating part, and the temperature acquisition instrument is used for acquiring temperature values and detection time detected by the temperature sensor.
As an alternative of the heat dissipation material performance detection device, the heat dissipation material performance detection device further comprises a second pressing plate, the second pressing plate is pressed on the heating part, and the second pressing plate is detachably and fixedly connected with the first pressing plate.
As an alternative to the heat sink material performance detection means, the heat resistor is fixed on the lower surface of the second presser plate.
As an alternative of the heat dissipation material performance detection device, an insulating tape is attached to a position, corresponding to the terminal portion, of the first pressure plate.
As an alternative of the heat dissipation material performance detection device, the first pressing plate is provided with insulating tapes attached to two sides of the sample to be detected.
As an alternative of the heat dissipation material performance detection device, the heat dissipation material performance detection device further comprises a fastening assembly, the fastening assembly comprises a bolt and a non-circular nut, one of the first pressing plate and the second pressing plate is provided with a non-circular counter bore matched with the non-circular nut, the other one of the first pressing plate and the second pressing plate is provided with a threaded through hole, and the bolt is used for fixedly connecting the first pressing plate and the second pressing plate in a detachable mode.
As an alternative of the heat dissipation material performance detection device, the number of the thermal resistors is at least two, the thermal resistors are connected in series through a lead, and each thermal resistor is provided with the temperature sensor.
On the other hand, a heat dissipation material performance detection method is provided, based on the heat dissipation material performance detection device, and the heat dissipation material performance detection method includes the following steps:
laying a sample to be detected on a first pressing plate;
arranging a thermal resistor fixed with a temperature sensor on the sample to be detected;
electrically connecting the thermal resistor with an external power supply, and acquiring the temperature value and the detection time detected by the temperature sensor by using a temperature acquisition instrument;
and judging the heat dissipation performance of the sample to be detected according to the change trend of the collected temperature value along with the detection time.
As an alternative of the method for detecting the performance of the heat dissipation material, after the temperature sensor is pasted on the thermal resistor, before the thermal resistor is arranged on the sample to be detected, the method further includes:
and removing the residual glue on the thermal resistor to enable the upper surface and the lower surface of the thermal resistor to be smooth.
As an alternative of the method for detecting the performance of the heat dissipation material, after removing the residual glue on the thermal resistor, the method further comprises the following steps:
and adhering the thermal resistor on the lower surface of a second pressing plate, then fixedly connecting the second pressing plate with the first pressing plate, and enabling the thermal resistor to be in contact with the sample to be detected.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a heat sink material performance detection device, including first clamp plate, thermal resistance and temperature acquisition subassembly, the temperature acquisition subassembly includes temperature sensor and temperature acquisition appearance. The first pressing plate is used for laying a sample to be detected; the thermal resistor comprises a heating part and a terminal part, the heating part is in contact with a sample to be detected, and the terminal part is electrically connected with an external power supply so that the heating part can provide a constant heat source for the sample to be detected; the temperature sensor sets up on heating portion, and the temperature value and the check-out time that temperature collection appearance is used for gathering temperature sensor detection can be judged the heat dispersion of waiting to detect the sample according to the temperature value along with the trend of change of check-out time. The heat dissipation material performance detection device is accurate in detection result, simple in structure and convenient to operate, and can shorten detection time and reduce cost.
The utility model provides a heat sink material performance detection method, based on above-mentioned heat sink material performance detection device, the testing result is accurate, the operation of being convenient for, check-out time is short, and is with low costs.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural view of a heat dissipation material performance detection apparatus provided in an embodiment of the present invention with a second pressing plate removed;
FIG. 2 is a schematic structural diagram of a thermal resistor according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a device for detecting performance of a heat dissipation material according to an embodiment of the present invention.
Reference numerals:
100-a sample to be detected;
1-a first platen;
2-thermal resistance; 21-a heating part; 22-terminal part;
3-a temperature sensor;
4-a second platen;
5-insulating tape;
6-bolt;
7-non-circular nut.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described below by referring to the drawings and the detailed description.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1-2, the present embodiment provides a device for detecting performance of a heat dissipation material, which includes a first pressing plate 1, a thermal resistor 2, and a temperature acquisition assembly, where the temperature acquisition assembly includes a temperature sensor 3 and a temperature acquisition instrument. Wherein, the first pressing plate 1 is used for laying a sample 100 to be detected; the thermal resistor 2 comprises a heating part 21 and a terminal part 22, wherein the heating part 21 is in contact with the sample 100 to be detected, and the terminal part 22 is electrically connected with an external power supply, so that the heating part 21 can provide a constant heat source for the sample 100 to be detected; the temperature sensor 3 is arranged on the heating part 21, the temperature acquisition instrument is used for acquiring the temperature value and the detection time detected by the temperature sensor 3, and the heat dissipation performance of the sample 100 to be detected can be judged according to the variation trend of the temperature value along with the detection time. The heat dissipation material performance detection device is accurate in detection result, simple in structure and convenient to operate, and can shorten detection time and reduce cost.
It should be noted that the sample 100 to be detected may be a heat dissipation tape, or may be other heat dissipation materials.
As shown in fig. 3, in order to ensure that the thermal resistor 2 is stably attached to the sample 100 to be tested, the heat sink material performance testing apparatus further includes a second pressing plate 4, the second pressing plate 4 is pressed on the heating portion 21, and the second pressing plate 4 is detachably and fixedly connected to the first pressing plate 1.
Illustratively, in order to ensure the accuracy of the detection result, the upper surface of the first pressing plate 1 is kept flat and smooth, so that the sample 100 to be detected is flatly laid on the first pressing plate 1. In a similar way, the lower surface of the second pressing plate 4 is kept flat and smooth, so that the whole thermal resistor 2 is uniformly stressed.
Further, the temperature sensor 3 is pasted on the thermal resistor 2, so that the temperature sensor 3 can accurately detect the temperature value of the thermal resistor 2 in real time. After the temperature sensor 3 is pasted, the residual glue on the thermal resistor 2 needs to be removed. Illustratively, the temperature sensor 3 is pasted on a side wall of the heat resistor 2.
Optionally, a thermal resistor 2 is fixed on the lower surface of the second pressing plate 4 to ensure that the position of each measurement is unchanged, and the consistency and accuracy of the detection result of the heat dissipation material performance detection device are improved.
Preferably, the heat resistor 2 is adhered to the lower surface of the second presser plate 4.
Optionally, the number of the thermal resistors 2 is at least two, the thermal resistors 2 are connected in series through a wire, and each thermal resistor 2 is provided with a temperature sensor 3. Because there is elastic deformation first clamp plate 1 and second clamp plate 4 inevitable, lead to slightly arching between the second clamp plate 4, make the pressure that thermal resistance 2 received inhomogeneous easily, so thermal resistance 2 quantity can not be too many, and two thermal resistances 2 are selected for use to this embodiment.
In order to prevent the first pressing plate 1 from conducting with the terminal portion 22 of the thermal resistor 2 during the conduction of the thermal resistor 2, an insulating tape 5 is attached to the first pressing plate 1 at a position corresponding to the terminal portion 22.
Preferably, the first pressing plate 1 is attached with insulating tapes 5 on both sides of the sample 100 to be detected.
Further, the heat sink material performance detection device further comprises a fastening assembly, and the fastening assembly is used for detachably and fixedly connecting the first pressing plate 1 and the second pressing plate 4.
Optionally, the fastening assembly comprises a bolt 6 and a non-circular nut 7, one of the first pressing plate 1 and the second pressing plate 4 is provided with a non-circular counter bore matched with the non-circular nut 7, the other one is provided with a threaded through hole, and the bolt 6 is used for detachably and fixedly connecting the first pressing plate 1 and the second pressing plate 4.
Through setting up the non-circular counter bore, non-circular nut 7 is located the non-circular counter bore, when screwing up bolt 6, can realize that bolt 6 is automatic and non-circular nut 7 threaded connection, can realize one end locking, improves the packaging efficiency.
Illustratively, a hexagonal counter bore is formed in the second pressing plate 4, a threaded through hole is formed in the first pressing plate 1, a hexagonal nut is placed in the hexagonal counter bore, and then the first pressing plate 1 and the second pressing plate 4 are fixedly connected through bolts.
Further, the two ends of the first pressing plate 1 and the second pressing plate 4 are both detachably and fixedly connected through fastening components, so that the two ends of the sample 100 to be detected are uniformly stressed.
Optionally, the first pressing plate 1 and the second pressing plate 4 are both made of materials with high rigidity, so that the sample 100 to be detected is prevented from being stressed unevenly due to deformation.
Based on the above device for detecting the performance of the heat dissipation material, the embodiment further provides a method for detecting the performance of the heat dissipation material, which includes the following steps:
s1, laying the sample to be detected 100 on the first pressing plate 1;
s2, arranging the thermal resistor 2 adhered with the temperature sensor 3 on the sample 100 to be detected;
s3, electrically connecting the thermal resistor 2 with an external power supply, and acquiring the temperature value and the detection time detected by the temperature sensor 3 by using a temperature acquisition instrument;
and S4, interpreting the heat dissipation performance of the sample 100 to be detected according to the variation trend of the acquired temperature value and the detection time.
In step S2, after the temperature sensor 3 is pasted on the thermal resistor 2, before the thermal resistor 2 is disposed on the sample 100 to be tested, the method further includes removing the adhesive residue on the thermal resistor 2 to flatten the upper and lower surfaces of the thermal resistor 2. Illustratively, the temperature sensor 3 is pasted on a side wall of the heat resistor 2.
Preferably, after removing the residual glue on the thermal resistor 2, the method further comprises the steps of adhering the thermal resistor 2 adhered with the temperature sensor 3 on the lower surface of the second pressing plate 4, then fixedly connecting the second pressing plate 4 with the first pressing plate 1, and enabling the thermal resistor 2 to be in contact with the sample 100 to be detected.
Wherein, the surface of the first pressing plate 1 contacted with the sample 100 to be detected is kept flat and smooth; the surface of the second pressing plate 4 contacting with the thermal resistor 2 is kept flat and smooth, so that the sample 100 to be detected is uniformly stressed, and the accuracy of the detection result is ensured.
In step S3, the voltage of the external power source connected to the thermal resistor 2 should not exceed the rated voltage, power, current, etc. of the thermal resistor 2, so as to avoid damaging the thermal resistor 2.
Alternatively, the maximum detection temperature of the temperature sensor 3 may reach 80 ℃.
The method for detecting the performance of the heat dissipation material is simple to operate, short in detection time, high in efficiency, good in repeatability and high in relative precision, and can reduce the detection cost and shorten the product development time.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (7)
1. A heat dissipation material performance detection device is characterized by comprising:
a first press plate (1) for laying a sample (100) to be tested;
the thermal resistor (2) comprises a heating part (21) and a terminal part (22), the heating part (21) is in contact with the sample (100) to be detected, and the terminal part (22) is electrically connected with an external power supply, so that the heating part (21) can provide a constant heat source for the sample (100) to be detected;
the temperature acquisition assembly comprises a temperature sensor (3) and a temperature acquisition instrument, wherein the temperature sensor (3) is arranged on the heating part (21), and the temperature acquisition instrument is used for acquiring temperature values and detection time detected by the temperature sensor (3).
2. The device for detecting the performance of the heat dissipating material according to claim 1, further comprising a second pressing plate (4), wherein the second pressing plate (4) is pressed on the heating part (21), and the second pressing plate (4) is detachably and fixedly connected with the first pressing plate (1).
3. The heat dissipating material performance testing apparatus as claimed in claim 2, wherein the thermal resistor (2) is fixed to a lower surface of the second presser plate (4).
4. The device for detecting the performance of the heat dissipating material according to claim 1, wherein an insulating tape (5) is attached to the first pressure plate (1) at a position corresponding to the terminal portion (22).
5. The device for detecting the performance of the heat dissipation material is characterized in that the first pressure plate (1) is provided with insulating tapes (5) attached to two sides of the sample (100) to be detected.
6. The heat dissipation material performance detection device according to claim 2, further comprising a fastening assembly, wherein the fastening assembly comprises a bolt (6) and a non-circular nut (7), one of the first pressing plate (1) and the second pressing plate (4) is provided with a non-circular counter bore matched with the non-circular nut (7), the other one of the first pressing plate and the second pressing plate is provided with a threaded through hole, and the bolt (6) is used for detachably and fixedly connecting the first pressing plate (1) and the second pressing plate (4).
7. The heat sink material performance detection device according to any one of claims 1-6, wherein the number of the thermal resistors (2) is at least two, the thermal resistors (2) are connected in series through a wire, and the temperature sensor (3) is disposed on each thermal resistor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022840837.0U CN213633252U (en) | 2020-11-30 | 2020-11-30 | Heat dissipation material performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022840837.0U CN213633252U (en) | 2020-11-30 | 2020-11-30 | Heat dissipation material performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213633252U true CN213633252U (en) | 2021-07-06 |
Family
ID=76638107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022840837.0U Active CN213633252U (en) | 2020-11-30 | 2020-11-30 | Heat dissipation material performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213633252U (en) |
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2020
- 2020-11-30 CN CN202022840837.0U patent/CN213633252U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 3 Gongye West Road, Songshan Lake Park, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Gaobiao Intelligent Technology Co.,Ltd. Address before: No.3, Gongye West Road, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: SHENZHEN GOBAO ELECTRONIC TECHNOLOGY Co.,Ltd. |
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