A heat pipe radiator performance testing fixture

Abstract

This utility model discloses a performance testing fixture for heat pipe radiators, belonging to the field of heat pipe radiator testing technology. It includes a radiator body and an installation assembly. A sliding module is provided at the bottom of the inner cavity of the installation assembly, and a bracket is fixedly connected to the top of the installation assembly. Cylinders are installed at equal intervals on the top of the bracket. The piston rod of the cylinder passes through the bracket and is connected to a testing mechanism that provides detection for the radiator body. The sliding module of the installation assembly facilitates the positioning and installation of the radiator body. Combined with the cylinder-driven testing mechanism on the bracket, which fits against the heat pipes, this effectively solves the problem in traditional testing where a single heat source corresponds to multiple heat pipes, and only abnormal heat source conditions can be identified, but the specific failed heat pipe cannot be located. It allows for more accurate radiator performance testing. Compared to traditional testing methods, it reduces errors caused by the inability to accurately screen defective heat pipes, helps improve the yield rate of finished heat pipe radiators, and increases testing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of heat pipe radiator testing technology, specifically a heat pipe radiator performance testing fixture. Background Technology

[0002] A heat pipe radiator is a heat dissipation device designed based on the principle of efficient heat transfer of heat pipes. Its core function is to quickly transfer and dissipate the heat generated by electronic components (such as CPUs, LEDs, power modules, etc.) during operation. It belongs to the field of thermal management technology. With the advancement of technology, the requirements for the performance testing of heat pipe radiators are also becoming increasingly stringent.

[0003] Existing testing methods use a single heat source to correspond to a single power module, and a single power module typically corresponds to multiple heat pipes. When the temperature of a certain power module is abnormal, the existing testing methods can only identify which heat source is abnormal, but cannot determine which heat pipe corresponding to that heat source is abnormal. Therefore, this reduces the testing efficiency of heat pipe radiators, makes it impossible to accurately screen out defective heat pipes, and introduces significant errors. It also affects the pass rate of finished heat pipe radiators. Therefore, in order to solve the above-mentioned problems, an improved heat pipe radiator performance testing fixture has been proposed. Utility Model Content

[0004] The purpose of this invention is to provide a performance testing fixture for heat pipe radiators. By improving the testing mechanism, it enables individual testing of the heat pipes in the radiator body. This solves the problem that traditional testing can only identify abnormal heat sources but cannot locate the specific failed heat pipe. It can accurately determine the working status of each heat pipe, accurately screen out defective products, effectively reduce testing errors, eliminate the need for extensive manual intervention, and improve testing efficiency and the yield rate of finished heat pipe radiators, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a heat pipe radiator performance testing fixture, comprising a radiator body and a mounting assembly, wherein a sliding module is provided at the bottom of the inner cavity of the mounting assembly, the radiator body is mounted on the surface of the sliding module, and a bracket is fixedly connected to the top of the mounting assembly;

[0006] Cylinders are installed at equal intervals on the top of the bracket. The piston rod of the cylinder passes through the bracket and is connected to a test mechanism that provides detection for the radiator body. The lower surface of the test mechanism is in contact with the heat pipe on the surface of the radiator body.

[0007] Preferably, the testing mechanism includes a first connecting block and a second connecting block. The first connecting block is connected to the piston rod of the cylinder. The second connecting block is fixedly connected to the first connecting block by fasteners. The front and rear ends of the lower surface of the second connecting block are provided with multiple grooves. Positioning posts are fixedly connected symmetrically in the grooves. The lower ends of the positioning posts are inserted into positioning holes reserved on the surfaces of the temperature sensing block and the heating block. A spring is sleeved on the surface of the positioning post. One end of the spring is fixed in the groove, and the other end of the spring is fixedly connected to the surfaces of the temperature sensing block and the heating block respectively.

[0008] A temperature sensing block is installed in the groove at the front end of the second connecting block, and a heating block is installed in the groove at the rear end of the second connecting block. The temperature sensing block and the heating block are electrically connected. Both the temperature sensing block and the heating block are electrically connected to a T-shaped temperature sensing wire and a T-shaped temperature sensing probe. One end of the heating block is electrically connected to a power supply wire.

[0009] Preferably, the distance between the plurality of grooves is equal, and the position of each groove corresponds to the position of the heat pipe on the surface of the radiator body.

[0010] Preferably, the mounting assembly includes a base, with side plates fixedly connected to both sides of the base. A positioning plate corresponding to the heat sink body is installed on the inner side of one of the side plates. The sliding module is mounted on the surface of the base and located inside the two side plates.

[0011] Preferably, the sliding module includes a slide rail and a slide plate, the slide rail is symmetrically mounted on the base, and the lower surface of the slide plate is slidably connected to the slide rail via a slider.

[0012] Preferably, a guide post is fixedly connected to the top of the connecting block at an obliquely symmetrical position, and a flange guide rail is snapped onto the surface of the bracket at a position corresponding to the guide post. The upper end of the guide post passes through the flange guide rail and extends upward.

[0013] Preferably, a mounting bracket is fixedly connected to the back of the base, and multiple fans are installed on the mounting bracket at equal intervals.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This utility model provides a heat pipe radiator performance testing fixture. The sliding module of the mounting components facilitates the positioning and installation of the radiator body. In conjunction with the cylinder-driven testing mechanism on the bracket, it fits the heat pipe. This effectively solves the problem in traditional testing where a single heat source corresponds to multiple heat pipes, and only abnormal heat source can be identified but not the specific failed heat pipe. It can more accurately test the radiator performance. Compared with traditional testing methods, it can reduce the error caused by the inability to accurately screen defective heat pipes, which helps to improve the yield rate of finished heat pipe radiators and improve testing efficiency.

[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention can be realized and obtained through the structures pointed out in the description and the accompanying drawings. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the mounting components and the main structure of the radiator of this utility model;

[0019] Figure 3 This is a schematic diagram of the installation component structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the bracket, guide column, and flange guide rail structure of this utility model;

[0021] Figure 5 This is an exploded bottom view of the cylinder and testing mechanism structure of this utility model;

[0022] Figure 6 This is an exploded bottom view of the connecting block two structure of this utility model;

[0023] Figure 7 This is a schematic diagram of the connecting block two structure of this utility model.

[0024] The following components are labeled in the diagram: 1. Radiator body; 2. Mounting assembly; 21. Base; 22. Side plate; 23. Limiting plate; 3. Sliding module; 31. Slide rail; 32. Slide plate; 4. Bracket; 5. Cylinder; 6. Testing mechanism; 61. Connecting block one; 62. Connecting block two; 63. Groove; 64. Temperature sensing block; 65. Heating block; 66. Positioning post; 67. Spring; 7. Guide post; 8. Flange guide rail; 9. Mounting bracket; 10. Fan. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] This utility model provides, for example Figures 1-7The heat pipe radiator performance testing fixture shown includes a radiator body 1 and a mounting assembly 2. A sliding module 3 is provided at the bottom of the inner cavity of the mounting assembly 2. The radiator body 1 is mounted on the surface of the sliding module 3. A bracket 4 is fixedly connected to the top of the mounting assembly 2.

[0027] Cylinders 5 are installed at equal intervals on the top of bracket 4. The piston rod of cylinder 5 passes through bracket 4 and is connected to a test mechanism 6 that provides testing for radiator body 1. The lower surface of test mechanism 6 is in contact with the heat pipe on the surface of radiator body 1.

[0028] The heat pipe radiator performance testing fixture is based on the radiator body 1 and the mounting component 2. The sliding module 3 at the bottom of the mounting component 2 provides a carrier for the installation and movement of the radiator body 1, which facilitates the precise positioning of the radiator. The bracket 4 at the top of the mounting component 2 is used to fix the equally distributed cylinders 5. During the test, the piston rod of the cylinder 5 pushes the testing mechanism 6 to move downward, so that the lower surface of the testing mechanism 6 is in close contact with the heat pipe on the surface of the radiator body 1, thus building a basic structural framework for subsequent heat pipe performance testing.

[0029] The sliding module 3 enables convenient placement and positioning of the radiator body 1, reducing manual alignment time; the cylinder 5 drives the testing mechanism 6 to adhere to the heat pipe, which provides a more uniform and stable adhesion force compared to manual pressing, avoiding test errors caused by improper adhesion; the overall modular design provides stable support for the accurate testing of the subsequent testing mechanism 6, solving the problems of loose equipment structure and inaccurate positioning in traditional testing.

[0030] The testing mechanism 6 includes a first connecting block 61 and a second connecting block 62. The first connecting block 61 is connected to the piston rod of the cylinder 5. The second connecting block 62 is fixedly connected to the first connecting block 61 by fasteners. Multiple grooves 63 are provided on the front and rear ends of the lower surface of the second connecting block 62.

[0031] A temperature sensing block 64 is installed in the groove 63 at the front end of the connecting block 2 62, and a heating block 65 is installed in the groove 63 at the rear end of the connecting block 2 62. The temperature sensing block 64 and the heating block 65 are electrically connected. Both the temperature sensing block 64 and the heating block 65 are electrically connected to a T-shaped temperature sensing wire and a T-shaped temperature sensing probe. One end of the heating block 65 is electrically connected to a power cord.

[0032] The testing mechanism 6 is connected to the piston rod of the cylinder 5 via connecting block 1 61. Connecting block 2 62 is fixed to connecting block 1 61 with fasteners to form a stable connection structure. The grooves 63 at the front and rear ends of connecting block 2 62 are respectively installed with temperature sensing block 64 and heating block 65, which are electrically connected. The power supply line is connected to an external power supply control device to supply power to heating block 65. The T-shaped temperature sensing wire and temperature sensing probe on temperature sensing block 64 and heating block 65 synchronously collect temperature data to realize the dual functions of heating the heat pipe and temperature monitoring.

[0033] The detachable connection design of connecting block 61 and connecting block 62 facilitates the replacement and maintenance of temperature sensing block 64 and heating block 65, reducing equipment maintenance costs. Temperature sensing block 64 and heating block 65 work together with T-shaped temperature sensing element to accurately collect temperature. Compared with the traditional single heat source design, it can simultaneously acquire temperature data at different locations of the heat pipe, providing a basis for subsequent temperature difference determination and solving the limitation of traditional testing that can only monitor a single temperature point.

[0034] The distance between the multiple grooves 63 is equal, and the position of each groove 63 corresponds to the position of the heat pipe on the surface of the heat sink body 1;

[0035] Multiple grooves 63 on the connecting block 2 62 are equidistantly distributed, and the position of each groove 63 corresponds one-to-one with the heat pipe on the surface of the heat sink body 1. This ensures that the temperature sensing block 64 and the heating block 65 installed in the groove 63 can be accurately aligned with a single heat pipe, achieving accurate matching of a single temperature sensing block 64 + a single heating block 65 to a single heat pipe, and avoiding the positioning ambiguity problem caused by multiple heat pipes sharing the same detection element.

[0036] The equidistant and precisely aligned groove 63 design allows each heat pipe to have an independent testing unit, completely solving the problem in traditional testing where a single heat source corresponds to multiple heat pipes and it is impossible to locate the specific failed heat pipe. It can accurately identify the performance abnormality of a single heat pipe and improve the accuracy of defective product screening.

[0037] Positioning pins 66 are fixedly connected symmetrically inside the groove 63. The lower ends of the positioning pins 66 are inserted into the positioning holes reserved on the surfaces of the temperature sensing block 64 and the heating block 65. A spring 67 is sleeved on the surface of the positioning pins 66. One end of the spring 67 is fixed inside the groove 63, and the other end of the spring 67 is fixedly connected to the surfaces of the temperature sensing block 64 and the heating block 65 respectively.

[0038] While installing the temperature sensing block 64 and the heating block 65 in the groove 63, the spring 67 is set at the installation position of the groove 63 and the temperature sensing block 64 and the heating block 65 through the positioning post 66. In order to enable the temperature sensing block 64 and the heating block 65 to be pressed down by the cylinder 5 and thus driven to fit against the radiator body 1, the spring 67 provides elasticity so that the temperature sensing block 64 and the heating block 65 can fit better against the radiator body 1.

[0039] Mounting assembly 2 includes a base 21, with side plates 22 fixedly connected to both sides of the base 21. A limiting plate 23 corresponding to the heat sink body 1 is installed on the inner side of one of the side plates 22. The sliding module 3 is installed on the surface of the base 21 and located inside the two side plates 22.

[0040] The mounting assembly 2 consists of a base 21, side plates 22, and a limiting plate 23. The base 21 provides an installation platform for the sliding module 3. The two side plates 22 form a protective and positioning frame. The limiting plate 23 on the inner side of one of the side plates 22 can laterally position the heat sink body 1 when it is placed on the sliding module 3, ensuring that the heat sink and the groove 63 of the testing mechanism 6 are accurately aligned, and avoiding detection misalignment caused by heat sink displacement.

[0041] The addition of the limiting plate 23 further improves the accuracy of the heat sink positioning and reduces test errors caused by manual placement deviation; the frame structure of the base 21 and the side plate 22 enhances the overall stability of the equipment. Compared with the traditional design without a protective frame, it can avoid the influence of external interference on the equipment during the test and ensure the stability of the test data.

[0042] The sliding module 3 includes a slide rail 31 and a slide plate 32. The slide rail 31 is symmetrically mounted on the base 21, and the lower surface of the slide plate 32 is slidably connected to the slide rail 31 through a slider.

[0043] The sliding module 3 consists of a slide rail 31 and a slide plate 32. The slide rail 31 is symmetrically mounted on the base 21. The slide plate 32 is slidably connected to the slide rail 31 through a slider. The heat sink body 1 is placed on the surface of the slide plate 32. Pushing the slide plate 32 can realize the movement of the heat sink on the slide rail 31, completing the streamlined operation of positioning-testing-removal, without the need for manual handling of the heat sink to adjust its position.

[0044] The sliding structure of the slide rail 31 and the slider makes the heat sink move more smoothly, reduces the intensity of manual handling, and reduces labor costs; the streamlined moving operation can shorten the product loading and unloading time, improve testing efficiency compared with the traditional fixed platform design, and is suitable for continuous testing of batch products.

[0045] A guide post 7 is fixedly connected at an obliquely symmetrical position on the top of the connecting block 61. A flange guide rail 8 is snapped onto the surface of the bracket 4 at a position corresponding to the guide post 7. The upper end of the guide post 7 passes through the flange guide rail 8 and extends upward.

[0046] The guide posts 7, which are obliquely symmetrically arranged on the top of the connecting block 61, slide in cooperation with the flange guide rail 8 on the surface of the bracket 4. When the cylinder 5 pushes the connecting block 61 to move up and down, the guide posts 7 slide synchronously along the flange guide rail 8, which restricts the movement direction of the connecting block 61 and prevents it from deviating or shaking during the up and down movement, ensuring that the test mechanism 6 is always accurately aligned with the heat pipe of the radiator body 1.

[0047] The guiding structure of the guide post 7 and the flange guide rail 8 solves the problem of the test mechanism 6 being prone to displacement during the push of the cylinder 5, ensuring the stable fit of the temperature sensing block 64, the heating block 65 and the heat pipe, and improving the accuracy of temperature acquisition; the obliquely symmetrical distribution of the guide post 7 design makes the force more uniform, extends the service life of the equipment, and reduces the frequency of maintenance caused by structural displacement.

[0048] A mounting bracket 9 is fixedly connected to the back of the base 21, and multiple fans 10 are installed on the mounting bracket 9 at equal intervals.

[0049] Multiple fans 10 are installed at equal intervals on the mounting bracket 9 on the back of the base 21. During the test, the fans 10 are activated to accelerate the air circulation inside the equipment and remove the excess heat generated by the heating block 65 when it is working. This prevents the internal temperature of the equipment from being too high and affecting the detection accuracy of the temperature sensing element. At the same time, it prevents heat accumulation from damaging other components of the equipment.

[0050] The cooling function of fan 10 ensures the stability of the test environment temperature, avoids temperature detection errors caused by the equipment's own heat generation, and improves the reliability of test data. Compared with traditional designs without active cooling, it can extend the service life of components such as temperature sensing block 64 and heating block 65, reduce the probability of equipment damage due to high temperature, and reduce maintenance costs.

[0051] In practical use, the radiator body 1 is first placed on the sliding module 3 slide plate 32 of the mounting component 2 base 21. The slide plate 32 moves along the symmetrically installed slide rail 31 by the slider. At the same time, the lateral positioning of the radiator body 1 is completed by the limiting plate 23 on the inner side of one of the side plates 22, ensuring that the heat pipe on the surface of the radiator is precisely aligned with the groove 63 of the test mechanism 6. This process does not require manual handling and adjustment, reducing the intensity of operation and shortening the alignment time. Then, the equipment is started, and the cylinder 5 equidistantly installed on the top of the bracket 4 is activated. The piston rod pushes the test mechanism 6 to move downward. At this time, the obliquely symmetrical guide post 7 on the top of the connecting block 1 61 slides synchronously along the flange guide rail 8 on the surface of the bracket 4 to prevent the test mechanism 6 from shifting. This ensures that the heating block 65 and the temperature sensing block 64 on the lower surface of the connecting block 2 62 are tightly attached to the single heat pipe of the radiator body 1. When the cylinder 5 drives the heating block 65 and the temperature sensing block 64 to press down, the spring 67 provides elasticity, so that the temperature sensing block 64 and the heating block 65 can better fit with the radiator body 1.

[0052] Next, power is supplied to the heating block 65 via an external power control device connected to the power cord at one end of the heating block 65. The temperature sensing block 64 is electrically connected to the heating block 65, and the T-shaped temperature sensing wires and T-shaped temperature sensing probes on both simultaneously collect temperature data at different positions of the heat pipe. During the test, because the grooves 63 of the connecting block 62 are evenly distributed and correspond one-to-one with the heat pipes, the independent detection of a single heating block 65 and a single temperature sensing block 64 corresponding to a single heat pipe can be achieved. The temperature data of each heat pipe can be accurately obtained, providing a basis for subsequent temperature difference judgment. After the test, the cylinder 5 is reset, and the sliding plate 32 of the sliding module 3 can be pushed to move the heat sink body 1 out, completing one test process. The overall operation process is streamlined, which not only reduces labor costs but also accurately screens defective products, ensuring testing efficiency and finished product qualification rate.

[0053] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A heat pipe heat sink performance test fixture, characterized by: It includes a radiator body (1) and a mounting assembly (2). The bottom of the inner cavity of the mounting assembly (2) is provided with a sliding module (3). The radiator body (1) is mounted on the surface of the sliding module (3). The top of the mounting assembly (2) is fixedly connected with a bracket (4). Cylinders (5) are installed at equal distances on the top of the bracket (4). The piston rod of the cylinder (5) passes through the bracket (4) and is connected to a test mechanism (6) that provides testing for the radiator body (1). The lower surface of the test mechanism (6) is in contact with the heat pipe on the surface of the radiator body (1).

2. The heat pipe radiator performance testing fixture according to claim 1, characterized in that: The testing mechanism (6) includes a first connecting block (61) and a second connecting block (62). The first connecting block (61) is connected to the piston rod of the cylinder (5). The second connecting block (62) is fixedly connected to the first connecting block (61) by fasteners. The front end and rear end of the lower surface of the second connecting block (62) are provided with multiple grooves (63). A temperature sensing block (64) is installed in the groove (63) at the front end of the second connecting block (62), and a heating block (65) is installed in the groove (63) at the rear end of the second connecting block (62). The temperature sensing block (64) and the heating block (65) are electrically connected. Both the temperature sensing block (64) and the heating block (65) are electrically connected to a T-shaped temperature sensing wire and a T-shaped temperature sensing probe. One end of the heating block (65) is electrically connected to a power supply line.

3. The heat pipe radiator performance testing fixture according to claim 2, characterized in that: The distance between the multiple grooves (63) is equal, and the position of each groove (63) corresponds to the position of the heat pipe on the surface of the radiator body (1). A positioning post (66) is fixedly connected to a symmetrical position in the groove (63). The lower end of the positioning post (66) is inserted into the positioning hole reserved on the surface of the temperature sensing block (64) and the heating block (65). A spring (67) is sleeved on the surface of the positioning post (66). One end of the spring (67) is fixed in the groove (63), and the other end of the spring (67) is fixedly connected to the surface of the temperature sensing block (64) and the heating block (65) respectively.

4. The heat pipe radiator performance testing fixture according to claim 3, characterized in that: The mounting assembly (2) includes a base (21), with side plates (22) fixedly connected to both sides of the base (21). A limiting plate (23) for positioning the corresponding heat sink body (1) is installed on the inner side of one of the side plates (22). The sliding module (3) is installed on the surface of the base (21) and located inside the two side plates (22).

5. The heat pipe radiator performance testing fixture according to claim 4, characterized in that: The sliding module (3) includes a slide rail (31) and a slide plate (32). The slide rail (31) is symmetrically mounted on the base (21), and the lower surface of the slide plate (32) is slidably connected to the slide rail (31) by a slider.

6. The heat pipe radiator performance testing fixture according to claim 5, characterized in that: The top of the connecting block (61) is fixedly connected to a guide post (7) at an obliquely symmetrical position. The surface of the bracket (4) is engaged with a flange guide rail (8) at a position corresponding to the guide post (7). The upper end of the guide post (7) passes through the flange guide rail (8) and extends upward.

7. The heat pipe radiator performance testing fixture according to claim 6, characterized in that: The back of the base (21) is fixedly connected to a mounting bracket (9), and multiple fans (10) are installed at equal intervals on the mounting bracket (9).

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