CN209894743U - Flat heat pipe testing device - Google Patents
Flat heat pipe testing device Download PDFInfo
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- CN209894743U CN209894743U CN201920034386.6U CN201920034386U CN209894743U CN 209894743 U CN209894743 U CN 209894743U CN 201920034386 U CN201920034386 U CN 201920034386U CN 209894743 U CN209894743 U CN 209894743U
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- box body
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- flat heat
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Abstract
The embodiment of the application discloses dull and stereotyped heat pipe testing arrangement includes: the pressing assembly, the heating assembly and the accommodating box; the accommodating box comprises an upper box body and a lower box body, and the upper box body is detachably connected with the lower box body; the lower box body is provided with a first slot position, and the heating component is arranged in the first slot position; a pressing component capable of pressing downwards is arranged on the upper box body; when the upper box body is connected with the lower box body, the pressing component is positioned right above the heating component; the test device also comprises a radiating fin, and the radiating fin is matched with the size of the flat heat pipe to be tested. The embodiment of the application discloses a flat heat pipe testing device, and solves the technical problem that the existing testing device is difficult to restore the environment of a flat heat pipe applied to an electronic element, so that the reference value of data obtained by testing is low.
Description
Technical Field
The application relates to the technical field of heat pipe testing, in particular to a flat heat pipe testing device.
Background
The heat pipe is a heat transfer element utilizing a gas-liquid phase change principle, and is widely applied to the fields of electronic equipment manufacturing and the like because the heat transfer capacity of the heat pipe is far better than that of a metal material.
The heat transfer performance is an important index for measuring the performance of the flat heat pipe. At present, the heat transfer performance of the flat heat pipe is generally determined by a heat transfer test. Because the environment of the flat heat pipe has a great influence on the heat transfer performance of the flat heat pipe, in order to make the test data have higher reference value, the test environment of the flat heat pipe should be the same as the actual environment of the flat heat pipe as much as possible. Especially for the flat heat pipe applied to the electronic element, the environment of the flat heat pipe is relatively closed in actual operation, but the existing testing device is often an open type test, so that the data obtained by the test is of little reference significance for the flat heat pipe applied to the electronic element.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a flat heat pipe testing device, and the technical problem that the existing testing device is difficult to restore the environment of a flat heat pipe applied to an electronic element, so that the reference value of data obtained by testing is low is solved.
In view of the above, a first aspect of the present application provides a flat heat pipe testing apparatus, including: the pressing assembly, the heating assembly and the accommodating box;
the accommodating box comprises an upper box body and a lower box body, and the upper box body is detachably connected with the lower box body;
the lower box body is provided with a first slot position, and the heating component is arranged in the first slot position;
the upper box body is provided with a pressing component which can be pressed downwards; when the upper box body is connected with the lower box body, the pressing assembly is positioned right above the heating assembly;
the test device also comprises a radiating fin, and the radiating fin is matched with the size of the flat heat pipe to be tested.
Preferably, the method further comprises the following steps: a heat radiation fan;
the heat radiation fan is arranged in the accommodating box;
an air outlet grid is arranged on the wall surface of the accommodating box opposite to the air outlet of the cooling fan, and an air suction hole is formed in the wall surface of the accommodating box opposite to the air suction opening of the cooling fan.
Preferably, the air outlet of the heat dissipation fan faces the position of the heat dissipation fin during testing.
Preferably, the rotating speed of the cooling fan is adjustable.
Preferably, the compression assembly is embodied as a screw; and a screw hole matched with the screw rod is formed in the top surface of the upper box body.
Preferably, the upper box body is specifically an acrylic box body.
Preferably, the heating assembly specifically comprises a heating block and a heating rod;
the heating block is provided with a plurality of counter bores matched with the heating rods, and the heating rods are arranged in the counter bores;
the first slot is matched with the heating block.
Preferably, the lower box body is further provided with a second slot position, and the second slot position is matched with the flat heat pipe to be tested;
the second slot position is located above the first slot position and is communicated with the first slot position up and down to form a stepped square hole.
Preferably, the first side edge of the upper box body is rotatably connected with the corresponding side edge of the lower box body; the opposite side edge of the first side edge of the upper box body is connected with the corresponding side edge of the lower box body in a buckling mode.
Preferably, the lower box body is a bakelite box body.
According to the technical scheme, the embodiment of the application has the following advantages:
in an embodiment of the present application, a flat heat pipe testing device is provided, including: the pressing assembly, the heating assembly and the containing box. The accommodating box comprises an upper box body and a lower box body, and the upper box body and the lower box body form a closed accommodating box when connected and can also be in contact connection to separate the upper box body from the lower box body; a heating component serving as a heat source is arranged on the first slot position on the lower box body; the upper box body is provided with a pressing component which can be vertically pressed downwards, and when the upper box body and the lower box body are connected into a closed accommodating box, the pressing component is just positioned right above the heating component; the test device also comprises a radiating fin, and the radiating fin is matched with the size of the flat heat pipe to be tested.
When testing, because go up the box body and can dismantle with lower box body and be connected, consequently can make box body and lower box body separation earlier, on the heating element on the box body under will await measuring flat heat pipe is placed, place the fin on flat heat pipe again, make box body and lower box body coupling again, form the confined box that holds, afterwards, can make the compressing tightly subassembly that is located directly over the heating element push down, make the fin, compress tightly each other between flat heat pipe and the heating element, three in close contact with. Therefore, the preparation work before the heat transfer performance test is completed, and the heat transfer performance of the flat heat pipe can be measured subsequently only by enabling the heating assembly to work and measuring required data.
Therefore, the flat heat pipe is clamped between the radiating fin and the heating component and is positioned in the closed accommodating box, and the flat heat pipe is consistent with the environment where the flat heat pipe is actually applied to the electronic element, so that the tested data can reflect the heat transfer performance corresponding to the actual heat pipe, and the flat heat pipe has a higher reference value.
Drawings
Fig. 1 is an exploded view of a flat heat pipe testing apparatus according to an embodiment of the present disclosure;
FIG. 2 is a perspective view of the device of FIG. 1;
reference numerals: the heat pipe comprises a screw rod 1, a heat radiating fin 2, a flat heat pipe 3, a heating block 4, a heating rod 5, a lower box body 6, a heat radiating fan 7 and an upper box body 8.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless explicitly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.
Flat heat pipes are often used for heat dissipation of electronic components because of their excellent heat transfer properties. The evaporation end face of the flat heat pipe is tightly attached to the electronic element, and the heat of the electronic element is led to the radiating fin on the condensation end face of the flat heat pipe, so that the electronic element is prevented from being damaged due to overheating.
When the heat pipe is applied to the above situations, the flat heat pipe is usually located in a closed shell, and if the flat heat pipe is a high-power electronic component, under the influence of a heat dissipation fan equipped for the flat heat pipe, a non-negligible air flow still exists in the environment where the flat heat pipe is located.
The embodiment of the application provides a flat heat pipe testing device, which is suitable for testing the heat transfer performance of a flat heat pipe applied to an electronic element, and provides a closed environment while mutually pressing the flat heat pipe 3, a radiating fin 2 and a heat source, so that the working environment of the flat heat pipe applied to the electronic element is truly restored, and the data of the heat transfer performance tested under the environment has more practical significance.
The flat plate heat pipe testing device provided by the embodiment of the present application is described below with reference to fig. 1 to 2.
The flat heat pipe testing device provided by the embodiment of the application comprises a pressing component, a heating component, an accommodating box and a radiating fin 2.
The accommodating box provides a closed space for testing the flat heat pipe, and comprises an upper box body 8 and a lower box body 6. The upper box body 8 and the lower box body 6 are detachably connected, the upper box body 8 can be connected with the lower box body 6 to form a closed accommodating box during testing, and the upper box body 8 can be separated or detached in the testing preparation stage so as to arrange testing tools such as the flat heat pipe 3 and the radiating fin 2 for testing.
Go up the box body 8 and be connected with dismantling between the lower box body 6, when specifically setting up, can make the first side of last box body 8 rotate with the corresponding side of lower box body 6 to be connected, the offside side of first side then can utilize hasp or screens etc. formation buckle connection that can untie as required with the corresponding side of lower box body 6. Thus, the upper case 8 is similar to a lid and can be opened and closed as desired. Of course, there are other implementations, such as connecting with screws or providing slide-type card slots, which are not listed here.
The lower box body 6 can be provided with a first slot position to play a certain positioning role on the heating component arranged on the lower box body 6. Go up and be provided with the compressing tightly subassembly that can push down on the box body 8, it is when last box body 8 is connected with lower box body 6, just in time is located heating element directly over to can compress tightly fin 2, dull and stereotyped heat pipe 3 and heating element from top to bottom when pushing down.
The heating assembly can be realized by utilizing various controllable heat sources, and the embodiment of the application provides a more preferable realization mode, which comprises a heating block 4, wherein the heating block 4 is provided with a plurality of counter bores from bottom to top, and particularly three counter bores can be formed; each counter bore is provided with a heating rod 5 matched with the counter bore in size, and the heating rods 5 are connected with an external program control power supply through connecting wires.
In order to facilitate the wiring of the heating rod 5, the bottom of the lower box body 6 can be provided with a corresponding number of wiring holes, so that the connecting wire can be connected with the program-controlled power supply through the wiring holes.
When the heating component adopts the preferable realization mode, the first slot position on the lower box body 6 is matched with the heating block 4 in size, and the wiring hole can be arranged at the bottom of the first slot position and communicated with the outside.
Furthermore, a second slot position can be arranged on the lower box body 6, the second slot position is used for positioning the flat heat pipe 3 which is placed on the upper end face of the heating block 4 during testing, and the size of the second slot position is matched with that of the flat heat pipe 3. In position, it should be located above the first slot and form a stepped square hole communicating up and down with the first slot.
In order to conduct the heat of the heating block 4 to the end face contacting with the flat heat pipe 3 as much as possible, the lower box body 6 can be made of bakelite material, and the heat loss of the heating block 4 is reduced by virtue of good heat insulation property of the bakelite.
For the pressing component, there are also various implementations, for example, the pressing component may be a cylinder pressing, a pneumatic rod passes through the top surface of the upper box 8, and a pressing head of the pneumatic rod is located inside the upper box 8, but from the viewpoint of portability and simplicity and reliability, the embodiment of the present application adopts a manner of pressing by the screw rod 1. Specifically, a plurality of screw holes are formed in the corresponding positions of the upper box body 8, a plurality of screw rods 1 are screwed on the screw holes, and when the test is performed, the lower end portions of the screw rods 1 push against the radiating fins 2 to move downwards through screwing the screw rods 1 downwards, so that a pressing effect is formed.
Further, in order to ensure uniform contact pressure between the heat dissipation fins 2, the flat heat pipes 3 and the top end face of the heating assembly, the screw-in amount of each screw 1 screwed on the upper box body 8 should be the same. For the precession volume of conveniently observing screw rod 1, go up box body 8 and can use transparent material such as ya keli material, form yakeli box body.
As can be seen from the foregoing description, the electronic components with higher power may be equipped with a heat dissipation fan 7, so as to bring about air flow to the environment where the flat heat pipe is located. Therefore, in order to simulate the actual working environment more truly, a heat radiation fan 7 can be arranged in the accommodating box. Correspondingly, an air outlet grid can be arranged at the position, opposite to the wall surface of the accommodating box, of the air outlet of the cooling fan 7 and used for discharging hot air, and an air suction hole is correspondingly arranged at the position, opposite to the wall surface of the accommodating box, of the air suction opening of the cooling fan 7 and used for sucking external air to form air circulation.
In order to meet different test requirements and simulate different cooling strengths, a fan with adjustable rotating speed can be selected. Specifically, the cooling fan 7 can be connected to the single chip microcomputer, and the rotation speed of the cooling fan 7 is controlled by the single chip microcomputer to generate cooling strengths of different degrees.
And because the manufacture of electronic products tends to be flat, the internal heat dissipation fan 7 is usually set to blow from side. Therefore, in order to further simulate the working environment when the cooling fan is actually applied to an electronic component, the setting position of the cooling fan 7 should satisfy the condition that the air outlet faces the cooling fin 2, and certainly, the setting position of the cooling fan should face the position where the cooling fin 2 is located during testing, so as to blow the cooling fin 2 laterally.
The above is a detailed description of a flat heat pipe testing device provided in the embodiments of the present application. The application of the device is described below, firstly, the upper box body 8 and the lower box body 6 can be separated by unfastening the buckle, then the flat heat pipe 3 is placed on the second groove body on the lower box body 6, the center of the flat heat pipe 3 is just attached to the top end face of the heating block 4, then the radiating fin 2 matched with the flat heat pipe 3 is placed on the flat heat pipe 3, the upper box body 8 is closed to form a closed accommodating box, and finally, the screw rod 1 is enabled to compress the radiating fin 2 and the flat heat pipe 3 and the heating block 4 below the radiating fin by adjusting the precession amount of the screw rod 1 on the upper box body 8, so that the arrangement work before the heat transfer performance test is completed. Subsequently, the programmable power supply outputs power to the heating rod 5, the cooling fan 7 is started, and the temperature acquisition device is used for acquiring required temperature data so as to measure required heat transfer performance data.
The flat heat pipe testing device provided by the embodiment of the application enables the testing environment of the flat heat pipe during the heat transfer performance test to be consistent with the working environment of the flat heat pipe during the application of the flat heat pipe on an electronic element, namely, the flat heat pipe is located in a basically closed space, and air can flow in the space to a certain degree, so that the tested data can truly reflect the heat transfer performance during the application, and the flat heat pipe testing device has a higher reference value.
The terms "comprises," "comprising," and any other variation thereof in the description and the drawings described above are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A flat heat pipe testing device, comprising: the pressing assembly, the heating assembly and the accommodating box;
the accommodating box comprises an upper box body and a lower box body, and the upper box body is detachably connected with the lower box body;
the lower box body is provided with a first slot position, and the heating component is arranged in the first slot position;
the upper box body is provided with a pressing component which can be pressed downwards; when the upper box body is connected with the lower box body, the pressing assembly is positioned right above the heating assembly;
the test device also comprises a radiating fin, and the radiating fin is matched with the size of the flat heat pipe to be tested.
2. A flat panel heat pipe testing apparatus according to claim 1, further comprising: a heat radiation fan;
the heat radiation fan is arranged in the accommodating box;
an air outlet grid is arranged on the wall surface of the accommodating box opposite to the air outlet of the cooling fan, and an air suction hole is formed in the wall surface of the accommodating box opposite to the air suction opening of the cooling fan.
3. A flat-panel heat pipe testing device as claimed in claim 2, wherein the air outlet of the heat dissipation fan faces the position of the heat dissipation plate during testing.
4. A flat panel heat pipe testing apparatus according to claim 3, wherein the cooling fan speed is adjustable.
5. A flat panel heat pipe testing apparatus according to claim 1, wherein the hold-down member is specifically a screw; and a screw hole matched with the screw rod is formed in the top surface of the upper box body.
6. A flat plate heat pipe testing device as claimed in claim 5, wherein the upper case is specifically an acrylic case.
7. A flat panel heat pipe testing apparatus according to claim 1, wherein the heating assembly specifically comprises a heating block and a heating rod;
the heating block is provided with a plurality of counter bores matched with the heating rods, and the heating rods are arranged in the counter bores;
the first slot is matched with the heating block.
8. The flat plate heat pipe testing device of claim 7, wherein the lower box body is further provided with a second slot position, and the second slot position is matched with the flat plate heat pipe to be tested;
the second slot position is located above the first slot position and is communicated with the first slot position up and down to form a stepped square hole.
9. A flat plate heat pipe testing device as claimed in claim 1, wherein a first side of the upper case is rotatably connected to a corresponding side of the lower case; the opposite side edge of the first side edge of the upper box body is connected with the corresponding side edge of the lower box body in a buckling mode.
10. A flat plate heat pipe testing apparatus as claimed in claim 1, wherein the lower case is a bakelite case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920034386.6U CN209894743U (en) | 2019-01-09 | 2019-01-09 | Flat heat pipe testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920034386.6U CN209894743U (en) | 2019-01-09 | 2019-01-09 | Flat heat pipe testing device |
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| Publication Number | Publication Date |
|---|---|
| CN209894743U true CN209894743U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920034386.6U Expired - Fee Related CN209894743U (en) | 2019-01-09 | 2019-01-09 | Flat heat pipe testing device |
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| CN (1) | CN209894743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490361A (en) * | 2019-01-09 | 2019-03-19 | 广东工业大学 | A kind of flat-plate heat pipe test device |
-
2019
- 2019-01-09 CN CN201920034386.6U patent/CN209894743U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490361A (en) * | 2019-01-09 | 2019-03-19 | 广东工业大学 | A kind of flat-plate heat pipe test device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 Termination date: 20210109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |