A heat spreader temperature measuring device

Abstract

The present invention provides a temperature measuring device for a heat spreader; since a plurality of voice coil motors are installed on a detection station, and each voice coil motor is transmission-connected with a pressure head with a temperature measuring unit, after a shift cylinder drives a shift frame to move a product in a product seat to the detection station, the plurality of pressure heads can be distributed on various areas of the heat spreader, that is, the temperature measuring units on the plurality of pressure heads can measure the temperature of various areas of the heat spreader, thereby improving the temperature measuring effect and accuracy; at the same time, since the voice coil motor drives the pressure head, the temperature measuring unit of the pressure head is in contact with a heating plate to obtain the temperature of the heat spreader, thereby avoiding the temperature measuring accuracy being affected by the displacement of the heat spreader or the change in the distance between the heat spreader and the temperature measuring unit; the present invention belongs to the technical field of testing equipment.

Description

Technical Field

[0001] The invention belongs to the technical field of testing equipment, and in particular relates to a heat spreader temperature measuring device. Background Art

[0002] Heat spreader is a heat dissipation technology that transfers heat through liquid-vapor phase change. It is usually made of high thermal conductivity materials such as copper. Its core is a vacuum cavity with a microstructured inner wall, and a small amount of working liquid is enclosed inside. When the heat generated by the heat source is transferred to the evaporation area, the coolant in the cavity begins to vaporize after being heated in a low vacuum environment, absorbing heat energy and rapidly expanding in volume. The gaseous cooling medium quickly fills the entire cavity. When the gaseous working medium contacts a relatively cold area, condensation will occur, and the heat accumulated during evaporation will be released through condensation. The condensed coolant will return to the evaporation heat source through the microstructured capillary channels, and this operation will be repeated in the cavity.

[0003] Conventional heat spreader temperature measuring equipment generally makes single-point contact with the measured surface of the heat spreader through a thermocouple. Therefore, the temperature state of each area of ​​the heat conduction plate cannot be obtained, resulting in poor test results. Summary of the invention

[0004] The purpose of the present invention is to provide a heat spreader temperature measuring device to solve the technical problems described in the background technology.

[0005] A heat spreader temperature measuring device comprises a base, on which a motor bracket and a shift cylinder are installed, the motor bracket is provided with a detection station, on which a plurality of voice coil motors are installed, each voice coil motor is transmission-connected to a pressure head, each pressure head is provided with a temperature measuring unit, the shift cylinder is transmission-connected to a shift rack, on which a product seat is installed, the product seat is provided with a product slot for placing the heat spreader, a heating module is provided in the product slot, the shift cylinder is used to drive the shift rack to drive the product in the product seat to move to the detection station, the voice coil motor is used to drive the pressure head to move, so that a plurality of pressure heads are distributed on the heat spreader and push the heat spreader to contact the heating module, and the temperature measuring unit is used to obtain the heat of the heat spreader.

[0006] According to the technical solution, the present invention can achieve the following beneficial effects: 1. Since several voice coil motors are installed on the inspection station, and each voice coil motor is connected to a pressure head with a temperature measuring unit, the shift cylinder drives the shift rack to move the product in the product seat to the inspection station. By distributing several pressure heads on various areas of the heat spreader, that is, the temperature measuring units on several pressure heads can measure the temperature of various areas of the heat spreader, thereby improving the temperature measurement effect and accuracy; 2. Since the voice coil motor drives the pressure head, the temperature measuring unit of the pressure head contacts the heating plate to obtain the temperature of the heat spreader, thereby avoiding the influence of the temperature measurement accuracy due to the displacement of the heat spreader or the change of the distance between the heat spreader and the temperature measuring unit; 3. Since the pressure head can push the heat spreader and the heating module tightly together, the heating module can transfer heat to the heat spreader more efficiently; 4. After the heat spreader is placed in the product slot, the shift cylinder drives the shift rack to move the product in the product seat to the inspection station. After that, the voice coil motor drives the pressure head to move, so that several pressure heads are distributed on the heat spreader and push the heat spreader to contact the heating module. At this time, the temperature measurement unit obtains the heat of the heat spreader, thus achieving stable fixation of the product. 5. After the temperature measurement is completed, the voice coil motor drives the pressure head to reset, and the pressure head is separated from the heat conduction plate. After that, the shift cylinder drives the shift rack to move the product in the product seat away from the inspection station, so that the operator or the loading and unloading mechanical mechanism can take out the heat spreader from the product slot and put another heat spreader into the product slot.

[0007] In order to further optimize the above technical solution, it can be optionally combined with one or more of the following implementation methods without conflict.

[0008] In some embodiments, the motor support is provided with at least two inspection stations, and the shift rack is provided with product seats corresponding to the number and spacing of the inspection stations; According to the technical solution, it is possible to synchronously measure the temperature of at least two heat spreaders, thereby improving the temperature measurement efficiency.

[0009] In some embodiments, a sensor sheet is installed next to the product seat, and a photoelectric switch for sensing the position of the sensor sheet is installed at the detection station; According to the technical solution, the shift cylinder can accurately drive the shift rack to move the product in the product seat to the inspection station, so that the part to be tested of the heat spreader is accurately aligned with the pressing block.

[0010] In some embodiments, two sides of the product tank are provided with avoidance openings for clamping two sides of the heat spreader; According to the technical solution, the operator or the loading and unloading mechanical mechanism can clamp the two sides of the heat spreader in the product slot through the avoidance opening, thereby facilitating the operator or the loading and unloading mechanical mechanism to remove the heat spreader from the product slot and place another heat spreader into the product slot.

[0011] In some embodiments, the voice coil motor is transmission-connected to a mounting block, which is equipped with an elastic pin transmission-connected to the pressure head; According to the technical solution, the voice coil motor drives the pressure head so that when the temperature measuring unit of the pressure head contacts the heating plate, the elastic pin can effectively buffer the impact force generated when the pressure head contacts the heating plate, thereby protecting the heat spreader.

[0012] In some embodiments, the motor bracket and the shift frame are arranged vertically, and when the shift cylinder drives the shift frame to drive the product in the product seat to move away from the inspection station, the motor bracket and the shift frame are arranged in a staggered manner, and positioning pins for supporting and holding the heat spreader are arranged around the product slot; According to the technical scheme, the present invention can further achieve the following beneficial effects: 1. When the heat spreader to be tested is of a large area, it is convenient to place the heat spreader into the product slot, and it is convenient to move the heat spreader to or away from the testing station; 2. It is possible to measure the temperature of a heat spreader designed vertically.

[0013] In some embodiments, a vacuum generator is installed on the base, and a vacuum suction hole for adsorbing and fixing the heat spreader is provided in the product tank, and the vacuum suction hole is connected to the vacuum generator pipeline; According to the technical solution, after the heat spreader is placed upright in the product slot, the vacuum generator fixes the heat spreader by adsorbing the heat spreader through the vacuum suction holes, thereby preventing the heat spreader from detaching from the product slot or moving within the product slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific implementation of the present invention, the following is a brief description of the drawings and reference numerals required to be used in describing the specific implementation.

[0015] Figure 1 It is a front structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the back structure of the present invention; Figure 3 is a schematic structural diagram of the pressure head of the present invention; Figure 4 It is a structural schematic diagram of the product seat of the present invention.

[0016] Reference numerals: 1. Base; 2. Motor bracket; 21. Photoelectric switch; 3. Detection station; 31. Voice coil motor; 32. Pressure head; 33. Mounting block; 34. Elastic pin; 4. Shift cylinder; 41. Shift rack; 42. Induction sheet; 43. Vacuum generator; 5. Product seat; 51. Product slot; 52. Heating module; 53. Avoidance; 54. Positioning pin; 55. Vacuum suction hole; 6. Heat spreader. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solutions and advantages of the present invention more clear, examples are given below with reference to the accompanying drawings.

[0018] The present specific embodiment provides a heat spreader temperature measuring device, which includes a base 1, on which a motor bracket 2 and a shift cylinder 4 are installed, the motor bracket 2 is provided with a detection station 3, on which a plurality of voice coil motors 31 are installed, each voice coil motor 31 is transmission-connected to a pressure head 32, and each pressure head 32 is provided with a temperature measuring unit, the shift cylinder 4 is transmission-connected to a shift rack 41, on which a product seat 5 is installed, the product seat 5 is provided with a product slot 51 for placing a heat spreader 6, and a heating module 52 is provided in the product slot 51, the shift cylinder 4 is used to drive the shift rack 41 to drive the product in the product seat 5 to move to the detection station 3, the voice coil motor 31 is used to drive the pressure head 32 to move, so that the plurality of pressure heads 32 are distributed on the heat spreader 6 and push the heat spreader 6 to contact the heating module 52, and the temperature measuring unit is used to obtain the heat of the heat spreader 6.

[0019] Since a plurality of voice coil motors 31 are installed on the detection station 3, and each voice coil motor 31 is connected to a pressure head 32 with a temperature measuring unit, the shift cylinder 4 drives the shift frame 41 to move the product in the product seat 5 to the detection station 3. The plurality of pressure heads 32 can be distributed on various areas of the heat spreader 6, that is, the temperature measuring units on the plurality of pressure heads 32 can measure the temperature of various areas of the heat spreader 6, thereby improving the temperature measurement effect and accuracy; at the same time, since the voice coil motor 31 drives the pressure head 32, the temperature measuring unit of the pressure head 32 is in contact with the heating plate to obtain the temperature of the heat spreader 6, thereby avoiding the temperature measurement accuracy being affected by the displacement of the heat spreader 6 or the change in the distance between the heat spreader 6 and the temperature measuring unit; in addition, since the pressure head 32 can push the heat spreader 6 to fit tightly against the heating module 52, the heating module 52 can transfer heat to the heat spreader 6 more efficiently.

[0020] After the heat spreader 6 is placed in the product slot 51, the shift cylinder 4 drives the shift rack 41 to move the product in the product seat 5 to the inspection station 3. Thereafter, the voice coil motor 31 drives the pressure head 32 to move, so that a plurality of pressure heads 32 are distributed on the heat spreader 6 and push the heat spreader 6 to contact the heating module 52. At this time, the temperature measuring unit obtains the heat of the heat spreader 6, thereby achieving stable fixation of the product.

[0021] After completing the temperature measurement, the voice coil motor 31 drives the pressure head 32 to reset, and the pressure head 32 is separated from the heat conduction plate. Thereafter, the shift cylinder 4 drives the shift rack 41 to move the product in the product seat 5 away from the inspection station 3, thereby facilitating the operator or the loading and unloading mechanical mechanism to remove the heat spreader 6 from the product slot 51 and place another heat spreader 6 into the product slot 51.

[0022] In some embodiments, the motor bracket 2 is provided with at least two inspection stations 3, and the shift rack 41 is installed with product seats 5 corresponding to the number and spacing of the inspection stations 3, so that at least two heat spreaders 6 can be measured synchronously, thereby improving the temperature measurement efficiency.

[0023] In some embodiments, a sensing sheet 42 is installed next to the product seat 5, and a photoelectric switch 21 for sensing the position of the sensing sheet 42 is installed at the detection station 3; so that the shift cylinder 4 can accurately drive the shift rack 41 to move the product in the product seat 5 to the detection station 3, so that the tested part of the heat spreader 6 can be accurately aligned with the pressing block.

[0024] In some embodiments, two side edges of the product groove 51 are provided with avoidance openings 53 for clamping two sides of the heat spreader 6 .

[0025] The operator or the loading and unloading mechanical mechanism can clamp the two sides of the heat spreader 6 in the product groove 51 through the avoidance opening 53, so that the operator or the loading and unloading mechanical mechanism can remove the heat spreader 6 from the product groove 51 and put another heat spreader 6 into the product groove 51.

[0026] In some embodiments, the voice coil motor 31 is transmission-connected to a mounting block 33 , which is provided with an elastic pin 34 transmission-connected to the pressure head 32 .

[0027] The voice coil motor 31 drives the pressure head 32 so that when the temperature measuring unit of the pressure head 32 contacts the heating plate, the elastic pin 34 can effectively buffer the impact force generated when the pressure head 32 contacts the heating plate, thereby protecting the heat spreader 6.

[0028] In some embodiments, the motor bracket 2 and the shift rack 41 are vertically arranged. When the shift cylinder 4 drives the shift rack 41 to drive the product in the product seat 5 to move away from the inspection station 3, the motor bracket 2 and the shift rack 41 are staggered, and the periphery of the product slot 51 is provided with positioning pins 54 for supporting and holding the heat spreader 6; When the heat spreader 6 to be tested is of a larger area, it is convenient to place the heat spreader 6 into the product slot 51, and to move the heat spreader 6 to or away from the testing station 3; in addition, the temperature of the heat spreader 6 of an upright design can be measured.

[0029] In some embodiments, the base 1 is installed with a vacuum generator 43, and a vacuum suction hole 55 for adsorbing and fixing the heat spreader 6 is provided in the product tank 51, and the vacuum suction hole 55 is connected to the vacuum generator 43 pipeline; After the heat spreader 6 is placed upright in the product groove 51 , the vacuum generator 43 fixes the heat spreader 6 by suction through the vacuum suction holes 55 , thereby preventing the heat spreader 6 from being separated from the product groove 51 or moving in the product groove 51 .

[0030] In order to further illustrate the heat spreader temperature measuring device described in this specific implementation manner, the following examples are listed.

[0031] like Figures 1 to 4 As shown, this specific embodiment provides a heat spreader temperature measuring device, which includes a base 1. A motor bracket 2 and a shift cylinder 4 are installed on the base 1.

[0032] The motor bracket 2 is provided with at least two detection stations 3, and a plurality of voice coil motors 31 are installed on the detection stations 3. Each voice coil motor 31 is connected to a mounting block 33 in a transmission manner, and an elastic pin 34 is installed on the mounting block 33. A pressure head 32 is installed on the elastic pin 34, and a temperature measuring unit is installed on each pressure head 32. The detection station 3 is provided with a photoelectric switch 21.

[0033] The shift cylinder 4 is connected to the shift rack 41 in a driving manner, and the shift rack 41 is provided with a product seat 5 and a vacuum generator 43. The shift rack 41 is provided with product seats 5 corresponding in number and spacing to the detection stations 3, and a sensor sheet 42 is installed next to the product seat 5, and a photoelectric switch 21 is provided for sensing the position of the sensor sheet 42. The product seat 5 is provided with a product slot 51 for placing the heat spreader 6, and the two sides of the product slot 51 are provided with avoidance openings 53 for clamping the two sides of the heat spreader 6, and the periphery of the product slot 51 is provided with positioning pins 54 for supporting and holding the heat spreader 6. The product slot 51 is provided with a vacuum suction hole 55 and a heating module 52, and the vacuum suction hole 55 is connected to the vacuum generator 43 by a pipe, and the vacuum suction hole 55 is used to adsorb and fix the heat spreader 6.

[0034] The shift cylinder 4 is used to drive the shift rack 41 to move the product in the product seat 5 to the inspection station 3. The voice coil motor 31 is used to drive the pressure head 32 to move, so that a plurality of the pressure heads 32 are distributed on the heat spreader 6 and push the heat spreader 6 to contact the heating module 52. The temperature measuring unit is used to obtain the heat of the heat spreader 6.

[0035] The motor bracket 2 and the shift rack 41 are arranged vertically. When the shift cylinder 4 drives the shift rack 41 to move the product in the product seat 5 away from the inspection station 3, the motor bracket 2 and the shift rack 41 are arranged in a staggered manner.

[0036] The following is a working description of a heat spreader temperature measuring device described in this specific implementation.

[0037] First, after the heat spreader 6 is placed in the product groove 51 by the operator or the loading and unloading mechanical mechanism, the positioning pins 54 around the product groove 51 support and bear the heat spreader 6. At the same time, the vacuum generator 43 adsorbs and fixes the heat spreader 6 through the vacuum suction hole 55; thereafter, the shift cylinder 4 drives the shift rack 41 to drive the product in the product seat 5 to move to the inspection station 3. Thereafter, the voice coil motor 31 drives the pressure head 32 to move, so that a number of pressure heads 32 are distributed on the heat spreader 6 and push the heat spreader 6 to contact the heating module 52. At this moment, the elastic pin 34 can buffer the impact force generated when the pressure head 32 contacts the heating plate at the moment; thereafter, the heating module 52 generates heat and transfers the heat to the heat spreader plate. At this moment, the temperature measuring unit obtains the heat of the heat spreader 6, thereby measuring the temperature of the heat spreader 6.

[0038] After completing the temperature measurement, the voice coil motor 31 drives the pressure head 32 to reset, and the pressure head 32 separates from the heat conduction plate. Thereafter, the shift cylinder 4 drives the shift rack 41 to move the product in the product seat 5 away from the inspection station 3. The operator or the loading and unloading mechanical mechanism removes the heat spreader 6 from the product slot 51 and places another heat spreader 6 into the product slot 51.

Claims

1. A heat spreader temperature measuring device, comprising a base (1), characterized in that: The base (1) is provided with a motor support (2) and a shift cylinder (4); the motor support (2) is provided with a detection station (3); a plurality of voice coil motors (31) are provided on the detection station (3); each of the voice coil motors (31) is connected to a pressure head (32) in a transmission manner; each of the pressure heads (32) is provided with a temperature measuring unit; the shift cylinder (4) is connected to a shift frame (41) in a transmission manner; a product seat (5) is provided on the shift frame (41); and a heat spreader (6) is provided on the product seat (5). ) is provided with a product slot (51), a heating module (52) is arranged in the product slot (51), the shift cylinder (4) is used to drive the shift rack (41) to drive the product in the product seat (5) to move to the detection station (3), the voice coil motor (31) is used to drive the pressure head (32) to move, so that a plurality of the pressure heads (32) are distributed on the heat spreader (6) and push the heat spreader (6) to contact with the heating module (52), and the temperature measuring unit is used to obtain the heat of the heat spreader (6).

2. A heat spreader temperature measuring device according to claim 1, characterized in that: The motor support (2) is provided with at least two of the detection stations (3), and the shift rack (41) is provided with product seats (5) whose number and spacing correspond to the detection stations (3).

3. The heat spreader temperature measuring device according to claim 1, characterized in that: A sensing sheet (42) is installed next to the product seat (5), and a photoelectric switch (21) for sensing the position of the sensing sheet (42) is installed at the detection station (3).

4. The heat spreader temperature measuring device according to claim 1, characterized in that: Both sides of the product groove (51) are provided with avoidance openings (53) for clamping both sides of the heat spreader (6).

5. The heat spreader temperature measuring device according to claim 1, characterized in that: The voice coil motor (31) is transmission-connected to a mounting block (33), which is provided with an elastic pin (34) transmission-connected to the pressure head (32).

6. The heat spreader temperature measuring device according to claim 1, characterized in that: The motor bracket (2) and the shift rack (41) are arranged vertically. When the shift cylinder (4) drives the shift rack (41) to move the product in the product seat (5) away from the inspection station (3), the motor bracket (2) and the shift rack (41) are arranged in a staggered manner. Positioning pins (54) for supporting and holding the heat spreader (6) are arranged around the periphery of the product slot (51).

7. A heat spreader temperature measuring device according to claim 6, characterized in that: The base (1) is installed with a vacuum generator (43), and a vacuum suction hole (55) for adsorbing and fixing the heat spreader (6) is provided in the product groove (51), and the vacuum suction hole (55) is connected to the vacuum generator (43) through a pipeline.

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