Device for testing heat transfer performance of vapor chamber

Abstract

The utility model belongs to the technical field of vapor chamber testing, and particularly relates to a vapor chamber heat transfer performance testing device which comprises a testing box, the testing box is a hollow-core rectangular body with the top open, and a temperature rising assembly used for increasing the temperature of a vapor chamber and a clamping assembly used for clamping and fixing the vapor chamber are installed in the testing box. A top frame is arranged at the top of the test box, transverse sliding openings are formed in the top of the top frame in a front-back symmetry mode, a sliding block is arranged in each sliding opening in a sliding mode, and transverse driving assemblies for driving the sliding blocks to move in the left-right direction are arranged in the sliding openings. According to the utility model, the servo motor I is started to drive the transverse screw rod to rotate, so that the left-right position of the mounting rack can be adjusted, namely, the left-right position of the temperature sensor can be adjusted, and the servo motor II is started to drive the longitudinal screw rod to rotate, and the front-back position of the temperature sensor can be adjusted. Therefore, row-by-row and column-by-column multi-point comprehensive temperature measurement can be carried out on the uniform temperature plate, the display result is displayed on the display screen, and convenience is brought to a user in use.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature averaging plate testing, in particular to a device for testing the heat transfer performance of a temperature averaging plate. Background Art

[0002] The function and working principle of the temperature plate are the same as those of the heat pipe. The plate-shaped cavity is enclosed in a plate and the evaporation and condensation cycle of the actuating fluid is actuated to achieve rapid temperature uniformity, thereby achieving rapid heat conduction and heat diffusion.

[0003] When testing the heat transfer performance of a temperature equalizer, traditional testing equipment is not convenient for comprehensive temperature measurement of the temperature equalizer row by row and column by column. When the thermal conductivity of some areas of the temperature equalizer is weak, it cannot be discovered quickly. Therefore, it is necessary to develop a heat transfer performance testing device for a temperature equalizer. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] A device for testing heat transfer performance of a temperature homogenizing plate, comprising:

[0007] A test box, the test box is a hollow rectangular body with an open top, and a heating component for increasing the temperature of the temperature averaging plate and a clamping component for clamping and fixing the temperature averaging plate are installed inside the test box;

[0008] A top frame, the top of the test box is provided with a top frame, the top of the top frame is provided with transverse sliding openings symmetrically front and back, a slider is slidably arranged in each of the sliding openings, and a transverse driving component for driving the slider to move in the left and right directions is arranged in the sliding opening;

[0009] A mounting frame, a longitudinal mounting frame is commonly provided at the bottom of the two sliding blocks, a longitudinal slide groove is provided at the bottom of the mounting frame, a mounting block is slidingly provided in the slide groove, a longitudinal driving component for driving the mounting block to move in the front and rear directions is provided in the slide groove, a vertical electric telescopic rod is provided at the bottom of the mounting block, a temperature sensor is provided at the bottom of the output end of the electric telescopic rod, the temperature sensor is located above the clamping component, and a display screen electrically connected to the temperature sensor is provided on the front side wall of the test box.

[0010] As a preferred solution of a heat transfer performance testing device for a heat pipe according to the present utility model, wherein: the heating component includes a fixing plate arranged at the middle and lower part of the inner cavity of the testing box, the fixing plate is provided with a plurality of mounting openings in an array, and a fan is fixedly arranged inside each mounting opening. The heating component further includes a row of heating wires arranged above the fans in the inner cavity of the testing box.

[0011] As a preferred solution of a heat transfer performance testing device for a heat pipe according to the present utility model, wherein: the air outlet direction of the fan is upward, and a ventilation opening communicating with the inner cavity of the testing box is arranged on the outer side wall of the testing box below the fixing plate.

[0012] As a preferred solution of a heat transfer performance testing device for a heat pipe according to the present utility model, wherein: the clamping component includes symmetric threaded rods screwed through the front and rear side walls of the testing box, and a clamping frame is rotatably arranged at the end of the threaded rod located in the inner cavity of the testing box through a bearing sleeve. The clamping frame is located above the heating wire and has a "C" - shaped cross - section in side view.

[0013] As a preferred solution of a heat transfer performance testing device for a heat pipe according to the present utility model, wherein: a hand wheel is arranged at the other end of the threaded rod, and a limiting slide rod parallel to the threaded rod is arranged on one side of the clamping frame close to the threaded rod, and the limiting slide rod slidably penetrates through the side wall of the testing box.

[0014] As a preferred solution of a heat transfer performance testing device for a heat pipe according to the present utility model, wherein: the lateral driving component includes a lateral lead screw rotatably arranged on the inner side wall of a sliding opening through a first bearing seat, a lateral guide rod fixed on the inner side wall of a sliding opening, the lead screw body of the lateral lead screw is screwed through a slider, the guide rod body of the guide rod slidably penetrates through a slider, and a servo - motor 1 for driving the lateral lead screw to rotate is arranged on the outer side of the top frame.

[0015] As a preferred solution of a heat transfer performance testing device for a heat pipe according to the present utility model, wherein: the longitudinal driving component includes a longitudinal lead screw rotatably arranged on the inner side wall of the chute through a second bearing seat, the lead screw body of the longitudinal lead screw is screwed through the mounting block, and a servo - motor 2 for driving the longitudinal lead screw to rotate is arranged on the outer side of the mounting frame.

[0016] The beneficial effect of the present utility model is that by starting the servo - motor 1 to drive the lateral lead screw to rotate, the left - right position of the mounting frame can be adjusted, that is, the left - right position of the temperature sensor can be adjusted. And by starting the servo - motor 2 to drive the longitudinal lead screw to rotate, the front - rear position of the temperature sensor can be adjusted, so that the heat pipe can be comprehensively measured at multiple points row by row and column by column, and the display result is displayed on the display screen, which is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure inside the cross section of the test box of the utility model;

[0020] Figure 3 For this utility model Figure 1 A schematic diagram of the structure in a side-up view;

[0021] Figure 4 For this utility model Figure 3 Schematic diagram of the structure of area A in the middle.

[0022] In the figure: test box 100, fixing plate 110, fan 120, vent 130, heating wire 140, threaded rod 150, clamping frame 160, hand wheel 170, limit slide rod 180, top frame 200, sliding mouth 210, slider 220, transverse screw rod 230, guide rod 240, servo motor 1 250, mounting frame 300, slide groove 310, mounting block 320, electric telescopic rod 330, temperature sensor 340, display screen 350, longitudinal screw rod 360, servo motor 2 370. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0025] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0026] To make the objectives, technical solutions, and advantages of the present utility model clearer, the following will further describe in detail the embodiments of the present utility model with reference to the accompanying drawings.

[0027] Please refer to Figure 1-Figure 4 , which shows a schematic structural diagram of an embodiment of a heat transfer performance testing device for a heat pipe, and please refer to Figure 1-Figure 4 , and a detailed introduction to a heat transfer performance testing device for a heat pipe will be given.

[0028] A heat transfer performance testing device for a heat pipe includes a test chamber 100. The test chamber 100 is a hollow rectangular body with an open top. An heating component for increasing the temperature of the heat pipe and a clamping component for clamping and fixing the heat pipe are installed inside the test chamber 100.

[0029] A top frame 200 is provided at the top of the test chamber 100. Transverse sliding openings 210 are symmetrically formed at the front and rear of the top of the top frame 200. A slider 220 is slidably arranged in each sliding opening 210, and a transverse driving component for driving the slider 220 to move in the left - right direction is arranged in the sliding opening 210.

[0030] A longitudinal mounting frame 300 is jointly provided at the bottoms of the two sliders 220. A longitudinal sliding groove 310 is formed at the bottom of the mounting frame 300. A mounting block 320 is slidably attached to the inside of the sliding groove 310. A longitudinal driving component for driving the mounting block 320 to move in the front - rear direction is arranged in the sliding groove 310. A vertical electric telescopic rod 330 is provided at the bottom of the mounting block 320, and a temperature sensor 340 is provided at the bottom of the output end of the electric telescopic rod 330. The temperature sensor 340 is located above the clamping component. A display screen 350 electrically connected to the temperature sensor 340 is provided on the front side wall of the test chamber 100.

[0031] Further, to increase the temperature of the heat pipe, the heating component includes a fixing plate 110 arranged in the middle and lower part of the inner cavity of the test chamber 100. The fixing plate 110 is provided with a plurality of mounting openings in an array, and a fan 120 is fixedly arranged inside each mounting opening. The heating component further includes a row of heating wires 140 arranged above the fan 120 in the inner cavity of the test chamber 100.

[0032] Further, to facilitate ventilation, the air outlet direction of the fan 120 is upward, and a ventilation opening 130 communicating with the inner cavity of the test chamber 100 is formed on the outer side wall of the test chamber 100 below the fixing plate 110.

[0033] Further, to clamp and fix the heat pipe, the clamping component includes symmetrically arranged threaded rods 150 screwed through the front and rear side walls of the test chamber 100. The end of the threaded rod 150 located inside the test chamber 100 is rotatably arranged through a bearing sleeve with a clamping frame 160. The clamping frame 160 is located above the heating wire 140 and has a lateral cross - section in the shape of a "匚" character when viewed from the side.

[0034] Furthermore, in order to prevent the two clamping frames 160 from rotating after clamping the temperature equalizing plate, a handwheel 170 is provided at the other end of the threaded rod 150, and a limiting slide bar 180 parallel to the threaded rod 150 is provided on the side of the clamping frame 160 close to the threaded rod 150, and the limiting slide bar 180 slides through the side wall of the test box 100.

[0035] Furthermore, in order to drive the left and right movements, the lateral drive assembly includes a lateral screw rod 230 rotatably arranged on the inner wall of a slide 210 through a first bearing seat, a lateral guide rod 240 fixed on the inner wall of the slide 210, the rod body of the lateral screw rod 230 is screwed through a slider 220, the rod body of the guide rod 240 slides through a slider 220, and a servo motor 250 is arranged on the outer side of the top frame 200 to drive the lateral screw rod 230 to rotate.

[0036] Furthermore, in order to drive the mounting block 320 to move in the forward and backward directions, the longitudinal driving assembly includes a longitudinal screw rod 360 that is rotatably arranged on the inner wall of the slide groove 310 through the second bearing seat, and the shaft of the longitudinal screw rod 360 is screwed and penetrates the mounting block 320. A servo motor 370 is arranged on the outer side of the mounting frame 300 to drive the longitudinal screw rod 360 to rotate.

[0037] During specific use, the temperature-averaging board to be tested is placed in the concave surface between the two clamping frames 160, and the threaded rod 150 is driven to rotate by the hand wheel 170 to adjust the distance between the two clamping frames 160 for clamping and fixing the temperature-averaging board. After the fan 120 and the heating wire 140 are started, the heating wire 140 is heated up, and the hot air is transferred to the temperature-averaging board through the fan 120. When it is necessary to measure the temperature of each area of ​​the temperature-averaging board, the height of the temperature sensor 340 can be adjusted by the electric telescopic rod 330, which is convenient for adjusting the distance between the temperature sensor 340 and the temperature-averaging board. By starting the servo motor 1 250 to drive the horizontal screw rod 230 to rotate, the left and right position of the mounting frame 300 can be adjusted, that is, the left and right position of the temperature sensor 340 can be adjusted. By starting the servo motor 2 370 to drive the longitudinal screw rod 360 to rotate, the front and rear position of the temperature sensor 340 can be adjusted. Therefore, the temperature-averaging board can be comprehensively measured row by row and column at multiple points, and the display results are displayed on the display screen 350 for user convenience.

[0038] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A device for testing the heat transfer performance of a temperature equalizing plate, characterized in that: Including: A test chamber (100), the test chamber (100) being an open-top hollow rectangular body, and an heating component for increasing the temperature of the heat pipe and a clamping component for clamping and fixing the heat pipe are installed inside the test chamber (100); A top frame (200), the top frame (200) is provided at the top of the test chamber (100), horizontal sliding openings (210) are symmetrically formed at the front and rear of the top of the top frame (200), a slider (220) is slidably arranged in each sliding opening (210), and a horizontal driving component for driving the slider (220) to move in the left-right direction is arranged in the sliding opening (210); A mounting frame (300), a longitudinal mounting frame (300) is jointly arranged at the bottoms of the two sliders (220), a longitudinal sliding groove (310) is formed at the bottom of the mounting frame (300), a mounting block (320) is slidably attached to the inside of the sliding groove (310), a longitudinal driving component for driving the mounting block (320) to move in the front-rear direction is arranged in the sliding groove (310), a vertical electric telescopic rod (330) is arranged at the bottom of the mounting block (320), a temperature sensor (340) is arranged at the bottom of the output end of the electric telescopic rod (330), the temperature sensor (340) is located above the clamping component, and a display screen (350) electrically connected to the temperature sensor (340) is arranged on the front side wall of the test chamber (100).

2. A device for testing heat transfer performance of a temperature homogenizing plate according to claim 1, characterized in that: The heating component includes a fixing plate (110) arranged in the middle and lower part of the inner cavity of the test chamber (100), a plurality of mounting openings are arranged in an array on the fixing plate (110), a fan (120) is fixedly arranged inside each mounting opening, and the heating component further includes a row of heating wires (140) arranged above the fan (120) in the inner cavity of the test chamber (100).

3. A device for testing heat transfer performance of a temperature homogenizing plate according to claim 2, characterized in that: The air outlet direction of the fan (120) is upward, and a ventilation opening (130) communicating with the inner cavity of the test chamber (100) is formed on the outer side wall of the test chamber (100) below the fixing plate (110).

4. The device for testing heat transfer performance of a temperature homogenizing plate according to claim 2, characterized in that: The clamping component includes symmetric threaded rods (150) screwed through the front and rear side walls of the test chamber (100), a clamping frame (160) is rotatably arranged at the end of the threaded rod (150) located in the inner cavity of the test chamber (100) through a bearing sleeve, the clamping frame (160) is located above the heating wire (140) and has a "C"-shaped cross-section in side view.

5. The device for testing heat transfer performance of a temperature homogenizing plate according to claim 4, characterized in that: A hand wheel (170) is arranged at the other end of the threaded rod (150), a limiting slide rod (180) parallel to the threaded rod (150) is arranged on one side of the clamping frame (160) close to the threaded rod (150), and the limiting slide rod (180) slidably penetrates through the side wall of the test chamber (100).

6. The device for testing heat transfer performance of a temperature homogenizing plate according to claim 1, characterized in that: The transverse drive assembly includes a transverse screw rod (230) rotatably arranged on the inner side wall of a sliding opening (210) through a first bearing seat, a transverse guide rod (240) fixed on the inner side wall of a sliding opening (210), the rod body of the transverse screw rod (230) is threadedly connected to pass through a sliding block (220), the rod body of the guide rod (240) slides through a sliding block (220), and a servo motor (250) for driving the transverse screw rod (230) to rotate is arranged on the outer side of the top frame (200).

7. The device for testing heat transfer performance of a temperature homogenizing plate according to claim 1, characterized in that: The longitudinal drive assembly comprises a longitudinal screw rod (360) rotatably arranged on the inner wall of the slide groove (310) through a second bearing seat, the shaft of the longitudinal screw rod (360) being threadedly connected to and passing through the mounting block (320), and a servo motor (370) for driving the longitudinal screw rod (360) to rotate is arranged on the outer side of the mounting frame (300).

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