A thermal performance testing device for aluminum bars

Abstract

The present invention discloses a thermal performance testing device for an aluminum rod, and belongs to the technical field of thermal performance testing for metal rods. A thermal performance testing device for an aluminum rod comprises a workbench and an aluminum rod, a supporting device is connected through the left and right center lines of the workbench surface, an electromagnetic heating tube is fixedly installed at the center of the right side of the workbench surface, an insulating fixing seat is arranged on the left side of the electromagnetic heating tube, and an aluminum rod is connected inside the electromagnetic heating tube, and the aluminum rod passes through the insulating fixing seat, a mobile testing device is connected to the rear end of the workbench surface, a driving device is connected to the mobile testing device, a thermal conductivity testing device is connected to the driving device, and a heat dissipation testing device is fixedly connected to the bottom of the mobile testing device. The present invention not only measures the thermal conductivity of the aluminum rod through a thermal sensing strip, but also triggers a paddle to rotate counterclockwise to turn on a start switch during the process of the thermal sensing strip pressing the aluminum rod, so that the thermal sensing strip is simultaneously used to measure the heat dissipation performance of the aluminum rod.

Description

Technical Field

[0001] The invention relates to the technical field of metal bar thermal performance testing, and more specifically to a thermal performance testing device for an aluminum bar. Background Art

[0002] Aluminum rod is a common metal with good thermal conductivity. Its thermal conductivity and electrical conductivity are both high, second only to a few metals such as copper and silver. This makes aluminum rod widely used in heat exchangers, radiators, and wires and cables. In power transmission, although aluminum's conductivity is slightly inferior to copper, its cost advantage is significant, making it one of the main materials for long-distance transmission lines. Therefore, studying the thermal properties of aluminum rods is of great help to the development of the power society.

[0003] However, in the existing thermal performance testing devices for aluminum rods, the thermal conductivity of the aluminum rod is usually tested as the main test target, ignoring the heat dissipation during the actual heat transfer through the aluminum rod. No simultaneous test and comparison is performed on the heat dissipation of the aluminum rod, making the thermal performance test of the aluminum rod not comprehensive enough. Summary of the invention

[0004] The purpose of the present invention is to provide a thermal performance testing device for an aluminum rod to solve the problems raised in the above background technology.

[0005] A thermal performance testing device for an aluminum rod, comprising a workbench and an aluminum rod, wherein a supporting device is connected through the left and right center lines of the workbench surface, an electromagnetic heating cylinder is fixedly installed at the center of the right side of the workbench surface, an insulating fixing seat is arranged on the left side of the electromagnetic heating cylinder, and the aluminum rod is connected inside the electromagnetic heating cylinder, and the aluminum rod passes through the insulating fixing seat, a mobile testing device is connected to the rear end of the workbench surface, a driving device is connected to the mobile testing device, and a thermal conductivity testing device is connected to the driving device, and a heat dissipation testing device is fixedly connected to the bottom end of the mobile testing device;

[0006] The driving device comprises a driving motor and a driving gear fixedly mounted on the mobile testing device, the driving motor is connected to a driving shaft, the driving shaft is fixedly connected to a paddle, and the front end of the driving shaft is fixedly connected to a spur gear 1, and the spur gear 1 is connected to the thermal conductivity testing device;

[0007] The mobile testing device includes a mobile ferrule movably connected to the rear end of the workbench surface, and a hanger is fixedly connected to the mobile ferrule. The hanger includes a base frame, a crossbeam and a vertical beam. The hanger base is connected to the workbench surface, the top of the hanger base is connected to the crossbeam, and the front end of the hanger crossbeam is connected to the vertical beam. A starting switch is provided on the hanger crossbeam, and the starting switch can be toggled when the pick rotates.

[0008] Preferably, the supporting device includes a motor box and supporting piles, connecting columns are arranged on both sides of the motor box, the upper ends of the connecting columns are fixedly connected to the bottom surface of the workbench, and the motor box is connected to a threaded rotating rod, the threaded rotating rod is threadedly connected to the supporting piles, and the top of the threaded rotating rod is movably connected to a movable seat, the movable seat is fixedly connected to the bottom surface of the workbench, and the supporting piles pass through the workbench surface.

[0009] Preferably, the insulating fixing seat includes an electric telescopic rod fixedly arranged on the front and rear sides of the workbench surface, the electric telescopic rod is connected to a clamping plate, the inner side of the clamping plate is connected to a fixed rubber pad, and the lower end of the clamping plate is movably connected to a slide rail, and the slide rail is fixedly connected to the workbench surface.

[0010] Preferably, a fixing nut is connected through the movable sleeve, and a limit frame is fixedly connected to the left and right sides of the bottom end of the hanger vertical beam, movable slots are provided on the outer sides of the two limit frames, and a thermal sensing chip is provided on the inner side of the limit frame, and the thermal sensing chip is connected to the thermal conductivity testing device.

[0011] Preferably, a driving gear is fixedly connected to the driving shaft, the driving gear is meshingly connected to a driven gear, the driven gear is fixedly connected to a driven shaft, the tail end of the driven shaft is movably connected to a shaft tube, and the front end of the driven shaft is fixedly connected to a spur gear 2, the spur gear 2 is connected to the thermal conductivity testing device, and a space is left between the spur gear 2 and the spur gear 1, and the two do not contact each other, the driving shaft and the front end of the driven shaft are movably connected to the vertical beam of the hanger, and the drive motor and the shaft tube are fixedly connected to the hanger base.

[0012] Preferably, the thermal conductivity testing device includes a rack arranged in the limit frame, the left and right outer sides of the rack are respectively fixedly connected to the limit blocks, the bottom end of the rack is fixedly connected to a heat sensing strip, the heat sensing strip is connected to a wire, and the heat sensing strip is connected to a thermal sensor 1, the wire is connected to the heat sensing chip, the limit block is movably connected in the movable slot, and the rack is connected to the spur gear 1.

[0013] Preferably, the heat dissipation testing device includes a connecting frame fixedly connected to the bottom end of the hanger vertical beam, the connecting frame is connected to a horizontal box, the horizontal box is provided with a movable horizontal groove, a thermal sensing sheet is movably connected in the movable horizontal groove, a thermal sensor 2 is connected to the back of the thermal sensing sheet, and the thermal sensing sheet can move along the movable horizontal groove and is controlled by the starting switch.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) In the present invention, not only can the aluminum rod be pressed by the heat sensing strip, but also the thermal conductivity of the aluminum rod can be measured in combination with the thermal sensor 1. In the process of the heat sensing strip pressing the aluminum rod, the paddle device is triggered to rotate counterclockwise to turn on the start switch, so that the heat sensing sheet is close to the aluminum rod and moves along the movable horizontal groove. In combination with the thermal sensor 2, the heat dissipation performance of the aluminum rod can be measured at the same time.

[0016] (2) In the present invention, the aluminum rod is pressed by the heat sensing strip, and the support device and the insulating fixing seat are combined to improve the stability of the aluminum rod during the testing process.

[0017] (3) In the present invention, a movable testing device with adjustable distance is provided, and the fixing nut is adjusted to loosen and tighten to pull the movable clamping sleeve. Thus, it can adapt to aluminum rods with different radius sizes, and the insulating fixing seat can also adapt to aluminum rods with different radius sizes by adjusting the spacing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is an enlarged schematic diagram of the supporting device structure of the present invention;

[0020] Figure 3 It is a schematic diagram of the structure of the workbench and the insulating fixing seat of the present invention;

[0021] Figure 4 It is an enlarged schematic diagram of the structure of the mobile testing device of the present invention;

[0022] Figure 5 It is an enlarged schematic diagram of the connection structure between the driving device and the thermal conductivity testing device of the present invention;

[0023] Figure 6 It is an enlarged schematic diagram of the driving device structure of the present invention;

[0024] Figure 7 It is an enlarged schematic diagram of the structure of the thermal conductivity testing device of the present invention;

[0025] Figure 8 It is an enlarged schematic diagram of the heat dissipation testing device structure of the present invention.

[0026] Explanation of the numbers in the figure: 1. Workbench; 2. Support device; 201. Motor box; 202. Connecting column; 203. Threaded rotating rod; 204. Movable seat; 205. Support pile; 3. Electromagnetic heating tube; 4. Insulation fixing seat; 401. Electric telescopic rod; 402. Clamp; 403. Fixed rubber pad; 404. Slide rail; 5. Aluminum rod; 6. Mobile test device; 601. Mobile ferrule; 602. Fixed nut; 603. Hanger; 604. Start switch; 605. Limit frame; 606. Mobile notch; 607. Thermal sensing chip; 7. Driving device; 701. Driving motor; 702. Driving shaft; 703. Driving gear; 704. Driven gear; 705. Driven shaft; 706. Shaft tube; 707. Paddle; 708. Spur gear one; 709. Spur gear two; 8. Thermal conductivity testing device; 801. Rack; 802. Thermal sensing strip; 803. Wire; 804. Thermal sensor one; 805. Limit block; 9. Heat dissipation testing device; 901. Connecting frame; 902. Horizontal box; 903. Movable horizontal slot; 904. Thermal sensing sheet; 905. Thermal sensor two. DETAILED DESCRIPTION

[0027] Embodiment 1:

[0028] See also Figure 1 - Figure 8 , a thermal performance test device for an aluminum rod, comprising a workbench 1 and an aluminum rod 5, a support device 2 is connected through the left and right center lines of the workbench 1, an electromagnetic heating tube 3 is fixedly installed at the center of the right side of the workbench 1, an insulating fixing seat 4 is arranged on the left side of the electromagnetic heating tube 3, and the aluminum rod 5 is connected inside the electromagnetic heating tube 3, and the aluminum rod 5 passes through the insulating fixing seat 4, a mobile test device 6 is connected to the rear end of the workbench 1, a driving device 7 is connected to the mobile test device 6, a thermal conductivity test device 8 is connected to the driving device 7, and a heat dissipation test device 9 is fixedly connected to the bottom of the mobile test device 6;

[0029] The driving device 7 includes a driving motor 701 and a driving gear 703 fixedly mounted on the mobile testing device 6, the driving motor 701 is connected to a driving shaft 702, the driving shaft 702 is fixedly connected to a paddle 707, and the front end of the driving shaft 702 is fixedly connected to a spur gear 1 708, and the spur gear 1 708 is connected to the thermal conductivity testing device 8;

[0030] The mobile testing device 6 includes a mobile ferrule 601 movably connected to the rear end of the workbench 1 surface, and a hanger 603 is fixedly connected to the mobile ferrule 601. The hanger 603 includes a base frame, a crossbeam and a vertical beam. The base frame of the hanger 603 is connected to the workbench 1 surface, the top of the base frame of the hanger 603 is connected to the crossbeam, and the front end of the crossbeam of the hanger 603 is connected to the vertical beam. A starting switch 604 is arranged on the crossbeam of the hanger 603, and the starting switch 604 can be toggled when the paddle 707 rotates.

[0031] See also Figure 1 and Figure 2 The supporting device 2 includes a motor box 201 and a supporting pile 205. Connecting columns 202 are arranged on both sides of the motor box 201. The upper ends of the connecting columns 202 are fixedly connected to the bottom surface of the workbench 1, and the motor box 201 is connected to a threaded rotating rod 203. The threaded rotating rod 203 is threadedly penetrated and connected to the supporting pile 205, and the top of the threaded rotating rod 203 is movably connected to a movable seat 204. The movable seat 204 is fixedly connected to the bottom surface of the workbench 1, and the supporting pile 205 penetrates the surface of the workbench 1. When the aluminum rod 5 is connected to the electromagnetic heating tube 3, the motor box 201 is started to work, and the threaded rotating rod 203 is driven to rotate by the motor box 201. The rotation of the threaded rotating rod 203 can drive the connected supporting pile 205 to move upward. When the supporting pile 205 moves upward until it contacts the aluminum rod 5, the aluminum rod 5 is stabilized as a whole by the supporting force, and then the aluminum rod 5 can be fixed by the insulating fixing seat 4.

[0032] See also Figure 1 and Figure 3 The insulating fixing seat 4 includes an electric telescopic rod 401 fixedly arranged on the front and rear sides of the workbench 1, the electric telescopic rod 401 is connected with a clamping plate 402, the inner side of the clamping plate 402 is connected with a fixed rubber pad 403, and the lower end of the clamping plate 402 is movably connected with a slide rail 404, and the slide rail 404 is fixedly connected to the workbench 1. When the aluminum rod 5 needs to be fixed, the electric telescopic rod 401 on the front and rear sides of the workbench 1 is started, and the two relative clamping plates 402 are driven to approach the aluminum rod 5 through the electric telescopic rod 401. Since the clamping plate 402 is movably connected with the slide rail 404, a fixed moving trajectory of the clamping plate 402 is provided, and then the two relative clamping plates 402 approach and clamp the aluminum rod 5.

[0033] See also Figure 1 , Figure 4 and Figure 8 , a fixing nut 602 is connected through the movable sleeve 601, and the left and right sides of the bottom end of the vertical beam of the hanger 603 are fixedly connected to the limited position frame 605, and the outer sides of the two limit frames 605 are provided with movable slots 606, and the inner sides of the limit frames 605 are provided with thermal sensing chips 607, and the thermal sensing chips 607 are connected to the thermal conductivity testing device 8. In the working state of the thermal performance testing device of the integral aluminum rod, the movable sleeve 601 is pulled inward by adjusting the tightness of the fixing nut 602, and the position of the movable testing device 6 is adjusted first to ensure that the thermal sensing strip 802 is directly above the aluminum rod 5, and at this time, the thermal sensing sheet 904 is close to the aluminum rod 5. When the aluminum rod 5 is taken out, the tightness of the fixing nut 602 is adjusted to pull the movable sleeve 601 outward to facilitate the removal of the aluminum rod 5.

[0034] See also Figure 1 , Figure 5 and Figure 6, a driving shaft 702 is fixedly connected with a driving gear 703, the driving gear 703 is meshedly connected with a driven gear 704, the driven gear 704 is fixedly connected with a driven shaft 705, the tail end of the driven shaft 705 is movably connected with a shaft tube 706, and the front end of the driven shaft 705 is fixedly connected with a spur gear 2 709, the spur gear 2 709 is connected to the thermal conductivity test device 8, and there is a space between the spur gear 2 709 and the spur gear 1 708, and the two do not contact, the driving shaft 702 and the front end of the driven shaft 705 are movably connected to the vertical beam of the hanger 603, and the driving motor 701 and the shaft tube 706 are fixedly connected to the base frame of the hanger 603, wherein when the position of the mobile test device 6 is adjusted After that, the driving motor 701 is started, and the driving motor 701 rotates to drive the driving gear 703, the paddle device 707 and the spur gear 1 708 on the driving shaft 702 to rotate synchronously counterclockwise for half a circle, and the rotation of the driving gear 703 can drive the driven gear 704 meshing with it to rotate clockwise. At this time, the driven shaft 705 connected to the driven gear 704 rotates synchronously, and then drives the spur gear 2 709 connected to the driven shaft 705 to rotate synchronously for half a circle clockwise. Finally, through the rotation of the spur gear 1 708 and the spur gear 2 709, the thermal conductivity testing device 8 connected to the spur gear 1 708 and the spur gear 2 709 is driven to move downward, so that the heat sensing strip 802 is finally pressed against the aluminum rod 5.

[0035] See also Figure 1 , Figure 5 and Figure 7 The thermal conductivity testing device 8 includes a rack 801 arranged in a limit frame 605, the left and right outer sides of the rack 801 are respectively fixedly connected to the limit blocks 805, the bottom end of the rack 801 is fixedly connected to a heat sensing strip 802, the heat sensing strip 802 is connected to a wire 803, and the heat sensing strip 802 is connected to a heat sensor 804, the wire 803 is connected to the heat sensing chip 607, the limit block 805 is movably connected in the movable slot 606, and the rack 801 is connected to a spur gear 708, wherein the rack 801 is also It is connected with spur gear 2 709. When the driving device 7 is started, spur gear 1 708 and spur gear 2 709 rotate to drive rack 801 to move up and down. When the heat sensing strip 802 needs to press the aluminum rod 5, the driving motor 701 drives the driving gear 703 to rotate counterclockwise. When the aluminum rod 5 needs to be removed, the driving motor 701 drives the driving gear 703 to rotate clockwise. When the heat sensing strip 802 presses the aluminum rod 5, the thermal sensor 1 804 displays the surface heat of the aluminum rod 5 in real time, which is used to measure the thermal conductivity of the aluminum rod 5.

[0036] See also Figure 1 , Figure 5 and Figure 8The heat dissipation testing device 9 includes a connecting frame 901 fixedly connected to the bottom end of the vertical beam of the hanger 603, the connecting frame 901 is connected to a horizontal box 902, the horizontal box 902 is provided with a movable horizontal groove 903, a heat sensing sheet 904 is movably connected in the movable horizontal groove 903, a second heat sensor 905 is connected to the back of the heat sensing sheet 904, and the heat sensing sheet 904 can move along the movable horizontal groove 903 and be controlled by the starting switch 604, wherein when the paddle 707 follows the active rotating shaft 702 to rotate counterclockwise, the starting switch 604 can be turned on, at which time the heat sensing sheet 904 is close to the aluminum rod 5 and moves along the movable horizontal groove 903, the second heat sensor 905 displays the heat around the aluminum rod 5 in real time, and is used to measure the heat dissipation performance of the aluminum rod 5, and when the paddle 707 follows the active rotating shaft 702 to rotate clockwise, the starting switch 604 can be turned off.

[0037] The specific working principle of the present invention is as follows: first, when the performance of the aluminum rod 5 needs to be tested, the aluminum rod 5 is connected to the electromagnetic heating tube 3, and the motor box 201 is started to work, and the motor box 201 drives the threaded rotating rod 203 to rotate, and the rotation of the threaded rotating rod 203 can drive the connected support pile 205 to move upward, and when the support pile 205 moves upward until it contacts the aluminum rod 5, the aluminum rod 5 is supported and stabilized as a whole, and then the electric telescopic rod 401 on the front and rear sides of the workbench 1 is started, and the two relative clamping plates 402 are driven to approach each other and clamp the aluminum rod 5 through the electric telescopic rod 401;

[0038] After clamping the aluminum rod 5, the movable ferrule 601 is pulled inward by adjusting the tightness of the fixing nut 602, and the position of the movable test device 6 is adjusted first to ensure that the heat sensing strip 802 is directly above the aluminum rod 5, and the heat sensing sheet 904 is close to the aluminum rod 5. At this time, the driving motor 701 is started to rotate counterclockwise, and the driving gear 703, the paddle 707 and the spur gear 708 on the driving shaft 702 are synchronously rotated counterclockwise for half a circle through the rotation of the driving motor 701, and the rotation of the driving gear 703 can drive the meshing connection with it. The driven gear 704 rotates clockwise, and the driven shaft 705 connected to the driven gear 704 rotates synchronously, and then drives the spur gear 2 709 connected to the driven shaft 705 to rotate synchronously clockwise for half a circle, and finally drives the heat conductivity testing device 8 connected to the spur gear 1 708 and the spur gear 2 709 to move downward through the rotation of the spur gear 1 708 and the spur gear 2 709, and finally makes the heat sensing strip 802 press the aluminum rod 5, and the heat sensor 1 804 will display the surface heat of the aluminum rod 5 in real time, which is used to measure the thermal conductivity of the aluminum rod 5;

[0039] At the same time, the paddle 707 rotates counterclockwise along with the active shaft 702 to turn on the start switch 604. At this time, the thermal sensing sheet 904 is close to the aluminum rod 5 and moves along the movable horizontal groove 903. The thermal sensor 2 905 displays the heat around the aluminum rod 5 in real time, which is used to measure the heat dissipation performance of the aluminum rod 5.

[0040] Finally, when the aluminum rod needs to be taken out, the driving motor 701 is started to rotate clockwise. At this time, the pick 707 follows the active shaft 702 to rotate clockwise to close the start switch 604, and the fixing nut 602 is adjusted to pull the movable sleeve 601 outward to finally take out the aluminum rod 5.

[0041] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A thermal performance testing device for an aluminum bar, comprising a workbench (1) and an aluminum bar (5), characterized in that: A support device (2) is connected and penetrated on the left and right center lines of the workbench (1); an electromagnetic heating tube (3) is fixedly installed at the center of the right side of the workbench (1); an insulating fixing seat (4) is arranged on the left side of the electromagnetic heating tube (3); the aluminum rod (5) is connected inside the electromagnetic heating tube (3); the aluminum rod (5) passes through the insulating fixing seat (4); a mobile testing device (6) is connected to the rear end of the workbench (1); a driving device (7) is connected to the mobile testing device (6); the driving device (7) is connected to a thermal conductivity testing device (8); and a heat dissipation testing device (9) is fixedly connected to the bottom end of the mobile testing device (6); The driving device (7) comprises a driving motor (701) and a driving gear (703) fixedly mounted on the mobile testing device (6); the driving motor (701) is connected to a driving shaft (702); the driving shaft (702) is fixedly connected to a paddle device (707); and a front end of the driving shaft (702) is fixedly connected to a spur gear 1 (708); the spur gear 1 (708) is connected to the thermal conductivity testing device (8); The mobile testing device (6) comprises a mobile ferrule (601) movably connected to the rear end of the workbench (1) tabletop, the mobile ferrule (601) is fixedly connected to a hanger (603), the hanger (603) comprises a base frame, a crossbeam and a vertical beam, the base frame of the hanger (603) is connected to the workbench (1) tabletop, the top of the base frame of the hanger (603) is connected to the crossbeam, the front end of the crossbeam of the hanger (603) is connected to the vertical beam, and a start switch (604) is arranged on the crossbeam of the hanger (603), and the start switch (604) can be toggled when the paddle (707) rotates; The insulating fixing seat (4) comprises an electric telescopic rod (401) fixedly arranged on the front and rear sides of the workbench (1), the electric telescopic rod (401) being connected to a clamping plate (402), the inner side of the clamping plate (402) being connected to a fixed rubber pad (403), and the lower end of the clamping plate (402) being movably connected to a slide rail (404), and the slide rail (404) being fixedly connected to the workbench (1); A fixing nut (602) is connected through the movable sleeve (601), and the left and right sides of the bottom end of the vertical beam of the hanger (603) are fixedly connected to the limit frames (605), and the outer sides of the two limit frames (605) are provided with movable slots (606), and the inner sides of the limit frames (605) are provided with heat sensing chips (607), and the heat sensing chips (607) are connected to the thermal conductivity testing device (8).

2. The thermal performance testing device for an aluminum rod according to claim 1, characterized in that: The support device (2) comprises a motor box (201) and a support pile (205), connecting columns (202) are arranged on both sides of the motor box (201), the upper ends of the connecting columns (202) are fixedly connected to the bottom surface of the workbench (1), and the motor box (201) is connected to a threaded rotating rod (203), the threaded rotating rod (203) is threadedly connected to the support pile (205), and the top of the threaded rotating rod (203) is movably connected to a movable seat (204), the movable seat (204) is fixedly connected to the bottom surface of the workbench (1), and the support pile (205) passes through the tabletop of the workbench (1).

3. The thermal performance testing device for an aluminum rod according to claim 1, characterized in that: The driving shaft (702) is fixedly connected with a driving gear (703), the driving gear (703) is meshingly connected with a driven gear (704), the driven gear (704) is fixedly connected with a driven shaft (705), the rear end of the driven shaft (705) is movably connected with a shaft tube (706), and the front end of the driven shaft (705) is fixedly connected with a spur gear 2 (709), the spur gear 2 (709) is connected to the thermal conductivity testing device (8), and a space is left between the spur gear 2 (709) and the spur gear 1 (708), and the two are not in contact, the front ends of the driving shaft (702) and the driven shaft (705) are movably connected to the vertical beam of the hanger (603), and the driving motor (701) and the shaft tube (706) are fixedly connected to the base frame of the hanger (603).

4. The thermal performance testing device for an aluminum rod according to claim 1, characterized in that: The thermal conductivity testing device (8) comprises a rack (801) arranged in the limit frame (605), the left and right outer sides of the rack (801) are respectively fixedly connected to the limit blocks (805), the bottom end of the rack (801) is fixedly connected to a thermal sensing strip (802), the thermal sensing strip (802) is connected to a wire (803), and the thermal sensing strip (802) is connected to a thermal sensor 1 (804), the wire (803) is connected to the thermal sensing chip (607), the limit block (805) is movably connected in the movable slot (606), and the rack (801) is connected to the spur gear 1 (708).

5. The thermal performance testing device for an aluminum rod according to claim 1, characterized in that: The heat dissipation testing device (9) comprises a connecting frame (901) fixedly connected to the bottom end of the vertical beam of the hanger (603), the connecting frame (901) is connected to a horizontal box (902), the horizontal box (902) is provided with a movable horizontal groove (903), a heat sensing sheet (904) is movably connected in the movable horizontal groove (903), a second heat sensor (905) is connected to the back of the heat sensing sheet (904), and the heat sensing sheet (904) can move along the movable horizontal groove (903) and is controlled by the starting switch (604).

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