Testing equipment for buckling force of radiator module
By designing a test equipment including a pressure detection plate and multiple pressure sensors, the existing radiator module buckle force detection methods are solved, and real-time detection of multi-point pressure of the chip is realized, and detection accuracy and efficiency are improved.
Patent Information
- Application Number
- CN202421638674.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-11
AI Technical Summary
The existing radiator module clamping force detection method has complex operation and large errors, and it is impossible to detect specific values in different locations in real time, which affects the detection efficiency.
A testing equipment including a base, a product fixture seat, a prototyping positioning chamber, a product locking plate, a locking hole, a first positioning hole and a detection mechanism is designed, and a multi-point pressure measurement is achieved through a pressure detection plate, a pressure sensor, a chip prototyping groove and a detection controller.
The multi-point pressure measurement of the four angle positions and center of the chip is achieved, which improves the detection accuracy and efficiency, and can effectively improve the clamping force test accuracy of the radiator module and the chip.
Smart Images

Figure CN222774162U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of radiator module testing fixtures, in particular to a radiator module buckle force testing device. Background Art
[0002] During the assembly process of the heat sink module, the detection of the fastening force between the heat sink module and the chip is an important process node in the entire process.
[0003] At present, the buckle force test of radiator modules usually adopts a combination of a simple fixture base plate and a handheld pound force machine to complete the buckle force test. However, when using this simple fixture to test the buckle force of products, employees need to measure the value of each measuring point separately during operation. Not only is the operation complicated and the error is large, but the average test time of the same product is not ideal, which affects the efficiency of the entire test. In addition, this test method can only read the total pound force data, and cannot try to test the specific values of different positions displayed by the test box. Utility Model Content
[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is:
[0005] Provided is a radiator module buckle force testing device, comprising: a base, a product fixture seat, a contoured positioning cavity, a product locking plate, a locking hole, a first positioning hole, and a detection mechanism.
[0006] The product fixture seat is arranged on the base, the contour positioning cavity is arranged in the product fixture seat, the product locking plate is arranged on the bottom surface of the product fixture seat, and an avoidance gap is arranged around the product locking plate and the side wall of the contour positioning cavity to cooperate in placing and fixing the product, the detection mechanism is arranged on the product locking plate, the locking holes are arranged on the product locking plate around the detection mechanism to fix the product on the locking plate, and the first positioning hole is arranged on the product locking plate outside the locking hole to cooperate with the positioning piece on the product for positioning,
[0007] The detection mechanism includes a pressure detection plate, a pressure sensor, a chip profiling groove, a second positioning hole, a detection controller, and a detection display. The pressure detection plate is arranged on the product locking plate, and the upper part of the pressure detection plate protrudes from the top surface of the product locking plate. The pressure detection plate is provided with a chip profiling groove for placing a calibration block. A plurality of pressure sensors in contact with the calibration block are provided in the chip profiling groove to perform synchronous pressure detection on multiple positions of the calibration block. One or more second positioning holes are provided on the pressure detection plate. The pressure sensor is communicated with the controller by wire or wireless means to transmit the detected pressure data to the controller, so that the detection controller performs comparative detection and generates a test report. The detection controller is communicated with the detection display to display test values and detection results.
[0008] In a preferred embodiment of the present invention, the product fixture seat and the base are detachably connected.
[0009] In a preferred embodiment of the present invention, the product locking plate and the product fixture seat are detachably connected.
[0010] In a preferred embodiment of the present utility model, the product locking plate is provided with a groove matching with the bottom of the detection mechanism.
[0011] In a preferred embodiment of the present invention, the number of pressure sensors is greater than or equal to 5, wherein a pressure sensor is disposed at the center of the chip profiling groove, and one or more pressure sensors are disposed at each corner of the chip profiling groove.
[0012] In a preferred embodiment of the present invention, the pressure sensor is in direct or detection contact with the bottom surface of the calibration block.
[0013] The beneficial effect of the utility model is that multi-point pressure measurement can be performed on the four corners and the center of the chip, which can not only effectively improve the test accuracy of the fastening force between the radiator module and the chip, but also improve the detection capacity and operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:
[0015] Figure 1 It is a structural schematic diagram of a preferred embodiment of a radiator module buckling force testing device of the utility model. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0017] See also Figure 1 , the utility model embodiment includes:
[0018] A radiator module buckle force testing device, the structure of which includes: a base 1, a product fixture seat 2, a contour positioning cavity 3, a product locking plate 4, a locking hole 5, a first positioning hole 6, and a detection mechanism.
[0019] The product fixture seat 2 is arranged on the base 1, and a contour positioning cavity 3 matching the structure and shape of the product (heat sink module) 7 is arranged in the product fixture seat 2. The product locking plate 4 is arranged on the bottom surface of the product fixture seat 2, and an avoidance gap 8 is arranged around the product locking plate 4 and between the side wall of the contour positioning cavity 3 to facilitate better placement and fixation of the product.
[0020] The detection mechanism is arranged on the product locking plate 4, and the specific setting position can be adjusted according to the installation position of the product and the calibration block 9 / chip. The locking holes 5 are arranged on the product locking plate 4 around the detection mechanism to fix the product on the locking plate. The first positioning hole 6 is arranged on the product locking plate 4 outside the locking hole 5 to cooperate with the positioning piece on the product for positioning, so as to further improve the accuracy of locking and fixing.
[0021] Further preferably, the product fixture seat 2 and the base 1 are detachably connected to facilitate switching of different fixture seats according to different products, thereby improving the accuracy and stability of product positioning.
[0022] Further preferably, the product locking plate 4 is detachably connected to the product fixture seat 2. The product locking plate 4 can be fixed to the product fixture seat by screws.
[0023] Further preferably, the product locking plate 4 is provided with a groove / through groove matching with the bottom of the detection mechanism.
[0024] The detection mechanism includes: a pressure detection plate 10 , a pressure sensor 11 , a chip profiling groove 12 , a second positioning hole 13 , a detection controller (common controllers such as PLC may be used), and a detection display 14 .
[0025] The pressure detection plate 10 is arranged on the product locking plate 4, and the upper part of the pressure detection plate 10 protrudes from the top surface of the product locking plate 4. The pressure detection plate 10 is provided with a chip profiling groove 12 that matches the calibration block 9 / chip. The chip profiling groove 12 is provided with a plurality of pressure sensors 11 that are in direct / indirect contact with the calibration block 9 / chip to be detected, so as to perform synchronous pressure detection on multiple positions of the chip / calibration block 9. The pressure detection plate 10 is provided with one or more second positioning holes 13 that match the positioning pieces on the calibration block 9 / chip. The pressure sensor 11 is connected to the controller in a wired / wireless manner to transmit the detected pressure data to the controller. The detection controller is connected to the detection display 14 in a communication manner to display the detection results and data information. The detection controller can also directly generate and export test reports in various formats such as EXCEL documents.
[0026] Further preferably, the number of pressure sensors 11 is greater than or equal to 5, wherein one pressure sensor 11 is located at the center of the chip / calibration block 9 , and one or more pressure sensors 11 are respectively arranged at each corner of the chip / calibration block 9 .
[0027] The steps in the detection include:
[0028] 1. Calibration: Now place the calibration block 9 (i.e. the bottom surface of the calibration block 9 located in the chip profiling groove 12 is a flat structure) on the pressure detection plate 10 and use the second positioning hole 13 to position it; place the product 7 on the product locking plate 4 and the calibration block 9, and lock them so that the pressure sensor 11 contacts the bottom surface of the calibration block 9, so as to synchronously obtain the pressure values at various positions of the calibration block 9 as calibration reference values, and send them to the controller;
[0029] 2. Remove the product 7 and the calibration block 9, place the chip to be tested in the chip profiling groove 12, and then cover and lock the product 7 on the product locking plate 4, so that the chip is fully in contact with the product and the pressure sensor 11. The pressure sensor 11 synchronously obtains the current pressure value of each position of the chip and sends it to the controller; the controller compares the current pressure value with the calibration reference value, and displays the detected pressure values and the detection judgment results through the detection display 14:
[0030] If the values are the same, it means the chip is qualified and there is no problem of warping or deformation;
[0031] If the values are different, the difference between the two values is determined: if the difference exceeds the preset threshold range, the chip is judged to be unqualified, that is, there are serious warping and deformation problems, and the controller issues an alarm reminder; otherwise, the chip is judged to be qualified.
[0032] The beneficial effect of the test equipment for the snap-fit force of a heat sink module of the utility model is that it can perform multi-point pressure measurement on the four corners and the center of a chip, which can not only effectively improve the test accuracy of the snap-fit force between the heat sink module and the chip, but also improve the detection capacity and operation efficiency.
[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A radiator module buckle force testing device, characterized in that: include: Base, product fixture seat, contour positioning cavity, product locking plate, locking hole, first positioning hole, detection mechanism, The product fixture seat is arranged on the base, the contour positioning cavity is arranged in the product fixture seat, the product locking plate is arranged on the bottom surface of the product fixture seat, and an avoidance gap is arranged around the product locking plate and the side wall of the contour positioning cavity to cooperate in placing and fixing the product, the detection mechanism is arranged on the product locking plate, the locking holes are arranged on the product locking plate around the detection mechanism to fix the product on the locking plate, and the first positioning hole is arranged on the product locking plate outside the locking hole to cooperate with the positioning piece on the product for positioning, The detection mechanism includes a pressure detection plate, a pressure sensor, a chip profiling groove, a second positioning hole, a detection controller, and a detection display. The pressure detection plate is arranged on the product locking plate, and the upper part of the pressure detection plate protrudes from the top surface of the product locking plate. The pressure detection plate is provided with a chip profiling groove for placing a calibration block. A plurality of pressure sensors in contact with the calibration block are provided in the chip profiling groove to perform synchronous pressure detection on multiple positions of the calibration block. One or more second positioning holes are provided on the pressure detection plate. The pressure sensor is communicated with the controller by wire or wireless means to transmit the detected pressure data to the controller, so that the detection controller performs comparative detection and generates a test report. The detection controller is communicated with the detection display to display test values and detection results.
2. A radiator module buckle force testing device according to claim 1, characterized in that: The product fixture seat and the base are detachably connected.
3. The radiator module buckle force testing device according to claim 1, characterized in that: The product locking plate and the product fixture seat are detachably connected.
4. The radiator module buckle force testing device according to claim 1, characterized in that: The product locking plate is provided with a groove matched with the bottom of the detection mechanism.
5. The radiator module buckle force testing device according to claim 1, characterized in that: The number of the pressure sensors is greater than or equal to 5, wherein a pressure sensor is arranged at the center of the chip profiling groove, and one or more pressure sensors are arranged at each corner of the chip profiling groove.
6. The radiator module buckle force testing device according to claim 1, characterized in that: The pressure sensor is in direct or sensing contact with the bottom surface of the calibration block.