Device and method for automatically detecting and recording resistance of thermoelectric refrigeration device

Abstract

The invention relates to the technical research field of thermoelectric refrigeration device resistance detection and recording and appearance detection, in particular to a device and a method for automatically detecting and recording the resistance of a thermoelectric refrigeration device. The device comprises a computer, a displacement control system, a coordinate platform, a visual microscope and a resistance test system, the computer, the displacement control system, the visual microscope and the resistance test system are placed on the surface of the coordinate platform, and the computer is connected with the displacement control system and the resistance test system. And a displacement controller and a mechanical control part of the displacement control system, a fixed arm of the coordinate platform, a microscope fixing bracket of the visual microscope and a resistance tester of the resistance test system are respectively fixed on a platform mounting surface of the coordinate platform through bolts. According to the invention, precise positioning, resistance detection recording and appearance detection can be carried out on the thermoelectric device with a millimeter-to-submicron size, and the device has the characteristics of high precision, high automation degree, high stability, easy popularization and the like.

Description

Technical Field

[0001] The present invention relates to the research field of resistance detection and recording and appearance detection technology of thermoelectric cooling devices, and in particular to a device and method for automatically detecting and recording the resistance of thermoelectric cooling devices. Background Art

[0002] At present, due to its unique functionality, stability and low energy consumption, the research and application of thermoelectric cooling devices have developed rapidly in recent years, especially in the fields of aerospace, 5G communications and big data. In actual production, due to the small size, high precision and easy scratching of thermoelectric cooling devices, the resistance detection of the device, especially the whole board resistance detection, is difficult and the production efficiency is low. The detection accuracy cannot meet the actual needs of modern enterprises. In addition, the traditional manual detection method has insufficient test positioning accuracy, poor stability, low efficiency, easy damage to the device, and reduces the production rhythm. It is not universal. Therefore, it is particularly important to develop a device and method that can automatically detect and record the resistance of thermoelectric cooling devices. Summary of the invention

[0003] The purpose of the present invention is to provide a device and method for automatically detecting and recording the resistance of thermoelectric cooling devices, which can accurately locate, detect and record resistance, and perform appearance inspection on thermoelectric devices with sizes ranging from millimeters to submicrons. The device has the characteristics of high precision, high degree of automation, high stability, and easy promotion.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] A device for automatically detecting and recording the resistance of a thermoelectric cooling device comprises a computer, a displacement control system, a coordinate platform, a visual microscope, and a resistance test system. The computer, the displacement control system, the visual microscope, and the resistance test system are placed on the surface of the coordinate platform. The computer connects the displacement control system and the resistance test system. The displacement controller and mechanical control part of the displacement control system, the fixed arm of the coordinate platform, the microscope fixing bracket of the visual microscope, and the resistance tester of the resistance test system are respectively fixed on the platform installation surface of the coordinate platform by bolts.

[0006] The device for automatically detecting and recording the resistance of a thermoelectric cooling device, the displacement control system includes a displacement controller with buttons and a display screen on the surface and a mechanical control part movable in three directions, the displacement controller is respectively connected to the mechanical control part and a computer with data cables, an X-direction moving mechanism, a Y-direction moving mechanism, and a Z-direction moving mechanism are assembled into the mechanical control part in sequence from bottom to top by bolts, the Z-direction moving mechanism is provided with a Z-direction moving mechanism platform and a sample positioning groove, the sample positioning groove is fixed on the Z-direction moving mechanism platform, and the thermoelectric cooling device is placed inside the sample positioning groove.

[0007] The device for automatically detecting and recording the resistance of a thermoelectric refrigeration device comprises a coordinate platform including a platform mounting surface with positioning coordinates, a fixed arm is mounted on the platform mounting surface, and a probe locator for fixing a metal probe is mounted on the fixed arm.

[0008] The device for automatically detecting and recording the resistance of a thermoelectric cooling device, the visualization microscope includes a microscope with adjustable height and rotatable along the Z axis, a microscope fixing bracket and a display screen, the microscope and the display screen are fixed on the microscope fixing bracket, the microscope rotates and adjusts its height along the Z axis by cooperating with the microscope fixing bracket, and the display screen is connected to the output end of the microscope.

[0009] The device for automatically detecting and recording the resistance of a thermoelectric cooling device, the resistance testing system includes a resistance tester with a key and a display screen and a metal probe, the resistance tester is connected to the metal probe and a computer data cable respectively, the metal probe is fixed on a probe locator, and the needle of the metal probe is aligned with the center position of the electrode of the thermoelectric cooling device.

[0010] A method for automatically detecting and recording the resistance of a thermoelectric cooling device, the method comprising the following steps:

[0011] (1) Turn on the computer, displacement controller, visual microscope and resistance tester;

[0012] (2) placing the thermoelectric cooling device into the sample positioning groove, and using a visual microscope to align the metal probe to the center of the positive and negative electrodes of the thermoelectric cooling device;

[0013] (3) Setting data parameters through a computer and a resistance tester, and classifying, determining and calculating the resistance value tested by the resistance tester;

[0014] (4) Program the motion trajectory of the displacement control system through the computer and displacement control system according to the number and arrangement of thermoelectric cooling devices. After programming, click to start the test;

[0015] (5) The resistance tester transmits the test data to the computer. The resistance tester and the computer simultaneously classify, judge and calculate the data, and finally issue a resistance test report;

[0016] (6) The visual microscope records the entire test process and saves the data.

[0017] The design ideas of the present invention are as follows:

[0018] First, in order to accurately test the resistance value of thermoelectric cooling devices, it is necessary to ensure the stability of all directions and movements of the entire test system and device. Therefore, a coordinate platform is used to fix each test device, and the metal probe is fixed on the probe positioner, and a high-precision motion control system is used to ensure the position stability of the test process. Thirdly, in order to achieve the process traceability of testing the resistance value of thermoelectric cooling devices, a visual microscope is used to record and record the entire test process to ensure the traceability of the test process. Finally, the batch test data of the device is huge, so we use a resistance tester and a computer to collect and analyze the data, and display it on the computer.

[0019] Based on the above three main design guiding ideas, the present invention successfully realizes batch rapid testing and data analysis of the resistance value of thermoelectric cooling devices.

[0020] The advantages and beneficial effects of the present invention are as follows:

[0021] 1. The device of the present invention has high initial and process control positioning accuracy.

[0022] 2. The present invention can be used for batch testing with high testing efficiency.

[0023] 3. The present invention can analyze and organize huge amounts of test data. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The structure diagram of the device made for the present invention.

[0025] Figure 2 This is a structural diagram of the mechanical control part of the present invention.

[0026] Figure 3 It is a structural diagram of the platform mounting surface and fixed arm of the coordinate platform of the present invention.

[0027] In the figure: 1. Computer; 2. Displacement control system; 3. Coordinate platform; 4. Visual microscope; 5. Resistance test system;

[0028] Among them, 21, displacement controller; 22, mechanical control part; 221, X-direction moving mechanism; 222, Y-direction moving mechanism; 223, Z-direction moving mechanism; 2231, Z-direction moving mechanism platform; 2232, sample positioning groove; 31, platform mounting surface; 32, fixed arm; 33, probe positioner; 41, microscope; 42, microscope fixing bracket; 43, display screen; 51, resistance tester; 52, metal probe. DETAILED DESCRIPTION

[0029] In the specific implementation process, the core of the present invention is to provide a device and method for automatically detecting and recording the resistance of thermoelectric cooling devices, and the device includes a computer, a displacement control system, a coordinate platform, a visual microscope, and a resistance test system. With this device, the device electrode position can be accurately, quickly and continuously located, and the displacement path can be programmed. The displacement control system is combined with the resistance tester probe that automatically tests and records data, and the resistance of the tested thermoelectric cooling device can be automatically, quickly, continuously and accurately tested and recorded, which significantly improves the production and testing efficiency, and can perform high-precision continuous whole-board device testing. The visual microscope can clearly record and observe the entire test process, and the product test process, details and surface quality can be monitored in real time, and can provide technical support for subsequent product tracking.

[0030] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0032] like Figure 1-Figure 3 As shown, a device for automatically detecting and recording the resistance of a thermoelectric cooling device includes a computer 1, a displacement control system 2 (displacement controller 21, mechanical control part 22, X-direction moving mechanism 221, Y-direction moving mechanism 222, Z-direction moving mechanism 223, Z-direction moving mechanism platform 2231, sample positioning groove 2232), a coordinate platform 3 (platform mounting surface 31, fixed arm 32, probe positioner 33), a visual microscope 4 (microscope 41, microscope fixing bracket 42, display screen 43), and a resistance testing system 5 (resistance tester 51, metal probe 52). The specific structure is as follows:

[0033] The computer 1, the displacement control system 2, the visual microscope 4, and the resistance testing system 5 are placed on the surface of the coordinate platform 3. The computer 1 is connected to the displacement control system 2 and the resistance testing system 5. The displacement controller 21 and the mechanical control part 22 of the displacement control system 2, the fixed arm 32 of the coordinate platform 3, the microscope fixing bracket 42 of the visual microscope 4, and the resistance tester 51 of the resistance testing system 5 are respectively fixed on the platform mounting surface 31 of the coordinate platform 3 with bolts.

[0034] The displacement control system 2 includes a displacement controller 21 with buttons and a display screen on the surface and a mechanical control part 22 movable in three directions. The displacement controller 21 is connected to the mechanical control part 22 and the computer 1 by data cables respectively. When the displacement controller 21 and the computer 1 are tested, precise system motion control programming can be performed and the edited program can be saved. The X-direction moving mechanism 221, the Y-direction moving mechanism 222, and the Z-direction moving mechanism 223 are assembled into the mechanical control part 22 in sequence from bottom to top by bolts. The Z-direction moving mechanism 223 is provided with a Z-direction moving mechanism platform 2231 and a sample positioning groove 2232. The sample positioning groove 2232 is fixed on the Z-direction moving mechanism platform 2231. During testing, the thermoelectric cooling device is placed inside the sample positioning groove 2232 individually or as a whole.

[0035] The coordinate platform 3 includes a platform mounting surface 31 with positioning coordinates, a fixed arm 32 is mounted on the platform mounting surface 31 , and a probe positioner 33 for fixing the metal probe 52 is mounted on the fixed arm 32 .

[0036] The visualization microscope 4 includes a microscope 41 which is height-adjustable and rotatable along the Z axis, a microscope fixing bracket 42, and a display screen 43. The microscope 41 and the display screen 43 are fixed on the microscope fixing bracket 42. The microscope 41 rotates and adjusts its height along the Z axis in cooperation with the microscope fixing bracket 42. The display screen 43 is connected to the output end of the microscope 41. During testing, the microscope 41 can perform visualization operations and perform video recording at the same time, and the entire process can be observed, displayed and recorded.

[0037] The resistance test system 5 includes a resistance tester 51 with buttons and a display screen, and a round and elongated metal probe 52. The resistance tester 51 is connected to the metal probe 52 and the computer 1 with data cables. The metal probe 52 is fixed on the probe positioner 33. The needle of the metal probe 52 is aligned with the center position of the electrode of the thermoelectric cooling device. The resistance tester 51 and the computer 1 can set parameters and classify, determine and calculate the resistance value of the test.

[0038] like Figure 1-Figure 3 As shown, the present invention also provides a method for testing the resistance of a thermoelectric cooling device using a device for automatically detecting and recording the resistance of a thermoelectric cooling device, which specifically includes the following steps:

[0039] (1) Turn on the computer 1, displacement controller 21, visual microscope 4 and resistance tester 51.

[0040] (2) Place the thermoelectric cooling device into the sample positioning groove 2232, and use the visual microscope 4 to align the two metal probes 52 to the center of the positive and negative electrodes of the thermoelectric cooling device respectively.

[0041] (3) By setting data parameters through the computer 1 and the resistance tester 51, the resistance value tested by the resistance tester 51 can be classified, determined and calculated.

[0042] (4) Through the computer 1 and the displacement control system 2, the motion trajectory of the displacement control system 2 is programmed according to the number and arrangement of the thermoelectric cooling devices. After the programming is completed, click to start the test.

[0043] (5) The resistance tester 51 transmits the test data to the computer 1. The resistance tester 51 and the computer 1 simultaneously classify, judge and calculate the data, and finally issue a resistance test report.

[0044] (6) The visual microscope 4 records the entire test process and saves the data.

[0045] The present invention is further explained or illustrated below by way of examples.

[0046] Example 1 Test resistance value of thermoelectric cooling device with a size of 3.9 mm×3 mm

[0047] The test method is as shown above. The thermoelectric cooling device is placed inside the sample positioning groove 2232. The metal probe 52 is aligned with the center of the positive and negative electrodes of the thermoelectric cooling device respectively using a visual microscope 4. The data parameters are set through the computer 1 and the resistance tester 51. The resistance value tested by the resistance tester 51 can be classified, determined and calculated. The movement trajectory of the displacement control system 2 is programmed according to the number and arrangement of 3.9mm×3mm through the computer 1 and the displacement control system 2. After the programming is completed, click to start the test. The resistance tester 51 transmits the test data to the computer 1. The resistance tester 51 and the computer 1 classify, determine and calculate the data at the same time, and finally issue a resistance test report.

[0048] The results of the embodiments show that the resistance value of a thermoelectric refrigeration device can be measured quickly, accurately and conveniently using the device of the present invention, and can play an important role in the industrial production of thermoelectric refrigeration devices. The device has great application potential in the industrial field.

[0049] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A device for automatically detecting and recording the resistance of a thermoelectric cooling device, It is characterized in that The device comprises a computer (1), a displacement control system (2), a coordinate platform (3), a visual microscope (4), and a resistance test system (5). The computer (1), the displacement control system (2), the visual microscope (4), and the resistance test system (5) are placed on the surface of the coordinate platform (3). The computer (1) is connected to the displacement control system (2) and the resistance test system (5). A displacement controller (21) and a mechanical control part (22) of the displacement control system (2), a fixed arm (32) of the coordinate platform (3), a microscope fixing bracket (42) of the visual microscope (4), and a resistance tester (51) of the resistance test system (5) are respectively fixed to a platform mounting surface (31) of the coordinate platform (3) by bolts.

2. The device for automatically detecting and recording the resistance of a thermoelectric cooling device according to claim 1, It is characterized in that The displacement control system (2) comprises a displacement controller (21) with buttons and a display screen on the surface and a mechanical control part (22) movable in three directions. The displacement controller (21) is connected to the mechanical control part (22) and the computer (1) respectively by data cables. An X-direction moving mechanism (221), a Y-direction moving mechanism (222) and a Z-direction moving mechanism (223) are assembled into the mechanical control part (22) by bolts from bottom to top. The Z-direction moving mechanism (223) is provided with a Z-direction moving mechanism platform (2231) and a sample positioning groove (2232). The sample positioning groove (2232) is fixed on the Z-direction moving mechanism platform (2231), and a thermoelectric cooling device is placed inside the sample positioning groove (2232).

3. The device for automatically detecting and recording the resistance of a thermoelectric cooling device according to claim 1, It is characterized in that The coordinate platform (3) comprises a platform mounting surface (31) with positioning coordinates, a fixed arm (32) is mounted on the platform mounting surface (31), and a probe positioner (33) for fixing a metal probe (52) is mounted on the fixed arm (32).

4. The device for automatically detecting and recording the resistance of a thermoelectric cooling device according to claim 1, It is characterized in that The visualization microscope (4) comprises a microscope (41) which is adjustable in height and rotatable along a Z axis, a microscope fixing bracket (42) and a display screen (43). The microscope (41) and the display screen (43) are fixed on the microscope fixing bracket (42). The microscope (41) is rotated and adjusted in height along the Z axis by cooperating with the microscope fixing bracket (42). The display screen (43) is connected to the output end of the microscope (41).

5. The device for automatically detecting and recording the resistance of a thermoelectric cooling device according to claim 1, It is characterized in that The resistance test system (5) comprises a resistance tester (51) with buttons and a display screen and a metal probe (52). The resistance tester (51) is connected to the metal probe (52) and a computer (1) by data cables. The metal probe (52) is fixed on a probe positioner (33). The needle of the metal probe (52) is aligned with the center position of the electrode of the thermoelectric cooling device.

6. A method for automatically detecting and recording the resistance of a thermoelectric cooling device using the device according to any one of claims 1 to 5, It is characterized in that The method comprises the following steps: (1) Turn on the computer (1), the displacement controller (21), the visual microscope (4) and the resistance tester (51); (2) placing the thermoelectric cooling device into the sample positioning groove (2232), and using a visual microscope (4) to align the metal probe (52) to the center of the positive and negative electrodes of the thermoelectric cooling device respectively; (3) setting data parameters through the computer (1) and the resistance tester (51), and classifying, determining and calculating the resistance value tested by the resistance tester (51); (4) programming the motion trajectory of the displacement control system (2) according to the number and arrangement of the thermoelectric cooling devices through the computer (1) and the displacement control system (2), and after the programming is completed, clicking to start the test; (5) The resistance tester (51) transmits the test data to the computer (1), and the resistance tester (51) and the computer (1) simultaneously classify, judge and calculate the data, and finally issue a resistance test report; (6) Visual microscope (4) Record the entire test process and save the data.

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