Low temperature high speed test fixture

Abstract

The present invention provides a low-temperature and high-speed test fixture, comprising a body component and a test mechanism, wherein the body component comprises a frame, a supply module, a cam pressing module, a material taking module and a base; the test mechanism comprises a refrigeration plate, a flexible soft board, a motherboard, an RF detection module, a daughter board, a refrigeration motor and a storage plate; a supply module is installed in the middle of the upper surface of the frame, and the bottom of the supply module penetrates the inner wall of the frame and is installed with a cam pressing module. The present invention reversely places the soft board to be tested in the storage plate through the cam pressing module, and then uses the adsorption hole to adsorb and fix the soft board, then cools the soft board through the refrigeration plate, and then transfers the soft board through the flexible soft board, and then performs high-frequency testing on the soft board through the RF detection module, so that the soft board can be tested at low temperature and high speed, thereby reducing the influence of high temperature on the soft board, ensuring the test effect, and improving the test efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of flexible board testing, and in particular to a low-temperature and high-speed testing fixture. Background Art

[0002] FPC is a type of PCB circuit board, also known as "soft board". FPC is made of flexible substrates such as polyimide or polyester film. It has the advantages of high wiring density, light weight, thin thickness, bendability, high flexibility, etc. It can withstand millions of dynamic bending without damaging the wires. It can move and stretch arbitrarily according to the requirements of spatial layout, realize three-dimensional assembly, and achieve the effect of integrating component assembly and wire connection. It has advantages that other types of circuit boards cannot match;

[0003] When traditional flexible circuit boards are produced, in order to ensure the quality of the products, they usually need to be tested. When traditional testing equipment is used to test the flexible circuit boards, a large amount of heat will be generated after a long period of operation, which will cause the flexible circuit boards to be easily damaged during testing, thereby affecting the test results and reducing the test efficiency. Therefore, a low-temperature and high-speed test fixture is proposed. Summary of the invention

[0004] In view of this, the embodiments of the present invention hope to provide a low-temperature and high-speed test fixture to solve or alleviate the technical problems existing in the prior art, or at least provide a beneficial choice.

[0005] The technical solution of the embodiment of the present invention is implemented as follows: a low-temperature high-speed test fixture includes a body assembly and a test mechanism, wherein the body assembly includes a frame, a supply module, a cam pressing module, a material taking module and a base;

[0006] The test mechanism includes a cooling plate, a flexible board, a motherboard, an RF detection module, a daughterboard, a cooling motor and a storage board;

[0007] A supply module is installed in the middle of the upper surface of the frame, the bottom of the supply module passes through the inner wall of the frame and is installed with a cam pressing module, one side of the lower surface of the cam pressing module is fixedly connected with a sub-board, one side of the sub-board is fixedly connected with a flexible soft board, one end of the flexible soft board is fixedly connected with a motherboard, one side of the motherboard is installed on the inner wall of the frame, a refrigeration motor is provided below the cam pressing module, the output shaft of the refrigeration motor is fixedly connected with a refrigeration plate, the upper surface of the refrigeration plate is evenly fixedly connected with a storage plate, and an RF detection module is provided below the cam pressing module.

[0008] Further preferably, a base is fixedly connected to the bottom of the inner wall of the frame, a low-temperature protection box is installed in the middle of the upper surface of the base, the bottom of the refrigeration motor is installed on the inner bottom wall of the low-temperature protection box, and the bottom of the RF detection module is installed on one side of the upper surface of the base; low-temperature protection is provided by the low-temperature protection box to avoid the occurrence of low-temperature overflow.

[0009] Further preferably, a threaded column is evenly threadedly connected to the lower surface of the base, and a support seat is fixedly connected to the bottom of the threaded column; the base is driven to move by rotating the threaded column.

[0010] Further preferably, a connecting plate is fixedly connected to one side of the inner side wall of the frame, and a material taking module is installed on one side of the connecting plate; and a supporting force is provided for one side of the material taking module through the connecting plate.

[0011] Further preferably, the upper surface of the storage plate is evenly provided with storage grooves, and the soft board is limited by the storage grooves.

[0012] Further preferably, adsorption holes are evenly formed at the bottom of the inner side wall of the storage groove; and the soft board is adsorbed and fixed by utilizing negative pressure through the adsorption holes.

[0013] Further preferably, the inner bottom wall of the low-temperature protection box is evenly and fixedly connected with a built-in thermal insulation box; the low-temperature protection box is insulated by the built-in thermal insulation box.

[0014] Further preferably, the lower surface of the base is evenly and fixedly connected with universal wheels; the universal wheels make it easier for the base to move over short distances.

[0015] Since the embodiment of the present invention adopts the above technical scheme, it has the following advantages: the present invention places the soft board to be tested in the storage plate in reverse through the cam pressing module, and then uses the adsorption hole to adsorb and fix the soft board, and then cools the soft board through the refrigeration plate, and then transfers the soft board through the flexible soft board, and then performs high-frequency testing on the soft board through the RF detection module, so that the soft board can be tested at low temperature and high speed, thereby reducing the influence of high temperature on the soft board, ensuring the test effect, and improving the test efficiency.

[0016] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural diagram of the present invention;

[0019] Figure 2 It is a side view structural schematic diagram of the refrigeration plate and RF detection module of the present invention;

[0020] Figure 3 For the present invention Figure 2 Schematic diagram of the axial structure;

[0021] Figure 4 It is a bottom view structural schematic diagram of the present invention.

[0022] Figure numerals: 1. body assembly; 2. testing mechanism; 101. frame; 102. supply module; 103. cam pressing module; 104. material taking module; 105. base; 201. cooling plate; 202. flexible soft board; 203. mother board; 204. RF detection module; 205. daughter board; 206. cooling motor; 207. storage plate; 41. support seat; 42. universal wheel; 43. low temperature protection box; 44. connecting plate; 45. built-in heat insulation box; 46. storage slot; 47. adsorption hole; 48. threaded column. DETAILED DESCRIPTION

[0023] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0024] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0025] like Figure 1-4 As shown, an embodiment of the present invention provides a low-temperature high-speed test fixture, including a body component 1 and a test mechanism 2, wherein the body component 1 includes a frame 101, a supply module 102, a cam pressing module 103, a material taking module 104 and a base 105;

[0026] The testing mechanism 2 includes a cooling plate 201, a flexible board 202, a motherboard 203, an RF detection module 204, a daughterboard 205, a cooling motor 206 and a storage board 207;

[0027] A supply module 102 is installed in the middle of the upper surface of the frame 101, the bottom of the supply module 102 passes through the inner wall of the frame 101 and is installed with a cam pressing module 103, one side of the lower surface of the cam pressing module 103 is fixedly connected with a sub-board 205, one side of the sub-board 205 is fixedly connected with a flexible soft board 202, one end of the flexible soft board 202 is fixedly connected with a motherboard 203, one side of the motherboard 203 is installed on the inner wall of the frame 101, a refrigeration motor 206 is provided below the cam pressing module 103, the output shaft of the refrigeration motor 206 is fixedly connected with a refrigeration plate 201, the upper surface of the refrigeration plate 201 is evenly fixedly connected with a storage plate 207, and an RF detection module 204 is provided below the cam pressing module 103.

[0028] In one embodiment, a base 105 is fixedly connected to the bottom of the inner wall of the rack 101, a low-temperature protection box 43 is installed in the middle of the upper surface of the base 105, the bottom of the refrigeration motor 206 is installed on the inner bottom wall of the low-temperature protection box 43, and the bottom of the RF detection module 204 is installed on one side of the upper surface of the base 105; low-temperature protection is performed by the low-temperature protection box 43 to avoid the occurrence of low-temperature overflow, and high-frequency testing is performed on the soft board on the flexible soft board 202 through the RF detection module 204.

[0029] In one embodiment, the lower surface of the base 105 is evenly threaded with a threaded column 48, and the bottom of the threaded column 48 is fixedly connected to the support base 41; the base 105 is driven to move by rotating the threaded column 48, and the moving base 105 drives the frame 101 to move, so that the height of the base 105 can be adjusted according to actual needs.

[0030] In one embodiment, a connecting plate 44 is fixedly connected to one side of the inner wall of the frame 101, and a material picking module 104 is installed on one side of the connecting plate 44; the connecting plate 44 provides support force for one side of the material picking module 104, and the material picking module 104 is used to pick up the soft board after the cooling is completed.

[0031] In one embodiment, the upper surface of the storage plate 207 is evenly provided with storage grooves 46 ; the soft board is limited by the storage grooves 46 .

[0032] In one embodiment, adsorption holes 47 are evenly formed at the bottom of the inner wall of the storage groove 46 ; the soft board is adsorbed and fixed by negative pressure through the adsorption holes 47 .

[0033] In one embodiment, a built-in heat-insulating box 45 is evenly and fixedly connected to the inner bottom wall of the low-temperature protection box 43 ; the built-in heat-insulating box 45 is used to insulate the interior of the low-temperature protection box 43 .

[0034] In one embodiment, universal wheels 42 are evenly and fixedly connected to the lower surface of the base 105 ; the universal wheels 42 make it easier for the base 105 to move over short distances.

[0035] When the present invention is working: the soft board to be tested is loaded by the supply module 102, and then the soft board is reversely placed on the storage plate 207 by the cam pressing module 103, and then the cone is driven by the moving cam pressing module 103 to apply force to the soft board, so that the soft board is positioned inside the storage groove 46, and then the soft board is adsorbed and fixed by the negative pressure through the adsorption hole 47, and then the storage plate 207 is subjected to heat absorption by the cooling plate 201, so that the soft board placed in the storage plate 207 is cooled, and then the cooling plate 201 is driven to rotate by the output shaft of the cooling motor 206, and the rotating cooling plate 201 drives the soft board to move through the storage plate 207, and then the soft board after cooling is taken out by the material taking module 104, and then the soft board after taking out is placed on the daughter board 205 by the material taking module 104, and then the soft board on the daughter board 205 is guided to the mother board 203 by the flexible soft board 202, and then the RF detection is performed. The module 204 performs high-frequency testing on the soft board on the flexible soft board 202, so that the soft board can be tested at low temperature and high speed, thereby reducing the impact of high temperature on the soft board, and then the low-temperature protection box 43 is used for low-temperature protection to avoid the occurrence of low-temperature overflow, and then the built-in heat insulation box 45 is used to insulate the low-temperature protection box 43. When it is necessary to adjust the height of the base 105, the base 105 is driven to move by rotating the threaded column 48, and the moving base 105 drives the frame 101 to move, so that the height of the base 105 can be adjusted according to actual needs, and then the contact area between the threaded column 48 and the ground is increased by the provided support seat 41, thereby improving the stability of the base 105, and then the provided universal wheel 42 makes the device easier to move over short distances. The device can not only test the soft board at low temperature and high speed, but also reduce the impact of high temperature on the soft board, thereby ensuring the test effect and improving the test efficiency.

[0036] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of various changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A low-temperature high-speed test fixture, comprising a body component (1) and a test mechanism (2), characterized in that: The machine body assembly (1) comprises a frame (101), a supply module (102), a cam pressing module (103), a material taking module (104) and a base (105); The testing mechanism (2) comprises a cooling plate (201), a flexible board (202), a motherboard (203), an RF detection module (204), a daughterboard (205), a cooling motor (206) and a storage board (207); A supply module (102) is installed in the middle of the upper surface of the frame (101); the bottom of the supply module (102) passes through the inner wall of the frame (101) and is installed with a cam pressing module (103); a sub-board (205) is fixedly connected to one side of the lower surface of the cam pressing module (103); a flexible soft board (202) is fixedly connected to one side of the sub-board (205); one end of the flexible soft board (202) is fixedly connected to a motherboard (203); one side of the motherboard (203) is installed on the inner wall of the frame (101); a refrigeration motor (206) is provided below the cam pressing module (103); an output shaft of the refrigeration motor (206) is fixedly connected to a refrigeration plate (201); a storage plate (207) is evenly fixedly connected to the upper surface of the refrigeration plate (201); and an RF detection module (204) is provided below the cam pressing module (103).

2. The low temperature and high speed test fixture according to claim 1, characterized in that: A base (105) is fixedly connected to the bottom of the inner side wall of the frame (101), a low-temperature protection box (43) is installed in the middle of the upper surface of the base (105), the bottom of the refrigeration motor (206) is installed on the inner bottom wall of the low-temperature protection box (43), and the bottom of the RF detection module (204) is installed on one side of the upper surface of the base (105).

3. The low temperature and high speed test fixture according to claim 1, characterized in that: The lower surface of the base (105) is evenly threadedly connected to a threaded column (48), and the bottom of the threaded column (48) is fixedly connected to a support seat (41).

4. The low temperature and high speed test fixture according to claim 1, characterized in that: A connecting plate (44) is fixedly connected to one side of the inner side wall of the frame (101), and a material taking module (104) is installed on one side of the connecting plate (44).

5. The low temperature and high speed test fixture according to claim 4, characterized in that: The upper surface of the storage plate (207) is evenly provided with storage grooves (46).

6. The low temperature and high speed test fixture according to claim 5, characterized in that: Adsorption holes (47) are evenly arranged at the bottom of the inner side wall of the storage groove (46).

7. The low temperature and high speed test fixture according to claim 2, characterized in that: A built-in heat insulation box (45) is evenly and fixedly connected to the inner bottom wall of the low-temperature protection box (43).

8. The low temperature and high speed test fixture according to claim 1, characterized in that: Universal wheels (42) are evenly and fixedly connected to the lower surface of the base (105).

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