Function test fixture
By designing a functional test fixture including upper and lower templates and probes, the problems of complex operation and low accuracy of traditional test tools are solved, and more accurate and reliable test results are achieved, which are suitable for functional testing of a variety of products.
Patent Information
- Application Number
- CN202420800521.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-17
AI Technical Summary
Traditional functional test fixtures have complex operation, low accuracy, and single test items, which cannot effectively simulate the real usage environment, resulting in inaccurate test results.
A functional test fixture was designed, including a base, support plate, upper and lower templates, probes and control panels. Through the coordination of upper and lower templates and the use of probes, functional testing is simulated in the real environment, and collected and collected through the data processor. Process test data.
Improves the accuracy and reliability of the test, ensures that the motherboard is firmly locked during testing, avoids displacement, and the rich probe selectivity is suitable for different products, enhancing the versatility and application prospects of the test.
Smart Images
Figure CN222259481U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of test fixture equipment, in particular to a functional test fixture. Background Art
[0002] In the 3C electronics manufacturing industry such as laptops, functional testing of motherboards before assembly is a key step in ensuring their quality and performance. Functional test fixtures are widely used as testing tools to simulate the behavior of products in actual use environments to verify their performance and stability. Traditional fixtures have problems such as complex operation, low precision, and single test items.
[0003] In view of this, we propose a functional test fixture to solve the existing problems. Utility Model Content
[0004] The purpose of the utility model is to provide a functional test fixture to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a functional test fixture, comprising a base and a support plate installed on the base, a lower template is arranged on one side of the top of the base, an upper template matching the lower template is arranged above the lower template, a motherboard installation area is arranged inside the lower template and the upper template, a plurality of probes are arranged at one end of the bottom of the lower template, the test ends of the probes pass through the lower template and are arranged in the motherboard installation area, the test ends of the probes are used to transmit and collect analog signals by contacting with the motherboard interface, the ends of the probes are electrically connected to the data processor inside the base through wires, a control panel is installed on the other side of the top of the base, the control panel is connected to the data processor through wires, and the data processor is used to collect and process the test data of the probes.
[0006] Preferably, a guide column is provided on the support plate, a shaft sleeve is slidably connected to the guide column, a through hole is opened on the upper template, the upper template is sleeved with the shaft sleeve through the through hole, and the upper template is slidably connected along the guide column on the side end surface of the support plate through the shaft sleeve.
[0007] Preferably, a lifting device is also connected to one end of the top of the upper template, one side of the top of the lifting device is fixedly connected to the support plate through a fastener, and the output end of the lifting device is drivingly connected to the upper template.
[0008] Preferably, the lifting device further comprises a handle, one end of which is rotatably hinged to the support plate, and the other end of which is fixedly connected to the end of the output end of the lifting device away from the upper template.
[0009] Preferably, a plurality of positioning holes are further provided at one end of the bottom of the upper template, and positioning pins are detachably inserted into the positioning holes.
[0010] Preferably, the control panel includes a plurality of buttons, and the plurality of buttons are electrically connected to the data processor via wires respectively.
[0011] Preferably, the control panel further comprises a display, and the display is electrically connected to the data processor via a wire.
[0012] Preferably, a foot pad is provided at one end of the bottom of the base, and four groups of the foot pads are provided, which are respectively arranged around the base, and the foot pads are made of non-slip rubber material.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model arranges matching upper and lower templates on the base, and provides positioning pins on the upper template, so that during testing, the mainboard is firmly locked between the upper and lower templates to avoid the displacement of the mainboard causing the test result to deviate from the actual situation. At the same time, a number of probes are provided on the lower template, so that the functional test of the product can be carried out in a simulated actual use environment that is closer to the real thing, thereby improving the accuracy and reliability of the test, and the rich probes can be selectively used according to different test products, which has certain versatility and broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 It is a front structural schematic diagram of the utility model.
[0016] In the figure: 1. Support plate; 2. Guide column; 3. Upper template; 4. Base; 5. Foot pad; 6. Probe; 7. Lower template; 8. Button; 9. Control panel; 10. Display; 11. Positioning pin; 12. Lifting device; 13. Handle. DETAILED DESCRIPTION
[0017] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0018] Embodiment 1
[0019] like Figure 1 and Figure 2As shown, a functional test fixture proposed by the utility model includes a base 4 and a support plate 1 installed on the base 4, a lower template 7 is arranged on one side of the top of the base 4, an upper template 3 matching the lower template 7 is arranged above the lower template 7, a mainboard installation area is arranged inside the lower template 7 and the upper template 3, a plurality of probes 6 are arranged at one end of the bottom of the lower template 7, the test ends of the probes 6 pass through the lower template 7 and are arranged in the mainboard installation area, the test ends of the probes 6 are used to transmit and collect analog signals by contacting with the mainboard interface, the ends of the probes 6 are electrically connected to the data processor inside the base 4 through wires for transmitting detection data, a control panel 9 is installed on the other side of the top of the base 4, the control panel 9 is connected to the data processor through wires for inputting or outputting data through the control panel 9, and the data processor is used to collect and process the test data of the probes 6.
[0020] In the embodiment, a guide column 2 is provided on the support plate 1, a shaft sleeve is slidably connected to the guide column 2, a through hole is opened on the upper template 3, a shaft sleeve is sleeved on the upper template 3 through the through hole, and the upper template 3 is slidably connected along the guide column 2 on the side end surface of the support plate 1 through the shaft sleeve, so as to guide the upper template 3 to move along the support plate 1.
[0021] In the embodiment, a lifting device 12 is also connected to one end of the top of the upper template 3. One side of the top of the lifting device 12 is fixedly connected to the support plate 1 through a fastener. The output end of the lifting device 12 is drivingly connected to the upper template 3. The upper template 3 is driven to move in the vertical direction by the lifting device 12, so that the mainboard is clamped and fixed by the upper template 3 and the lower template 7.
[0022] In an embodiment, the lifting device 12 also includes a handle 13, one end of which is rotatably hinged to the support plate 1, and the other end is fixedly connected to the end of the output end of the lifting device 12 away from the upper template 3. The handle 13 is used to control the lifting device 12 to drive the upper template 3 to rise or fall.
[0023] In the embodiment, a plurality of positioning holes are further provided at one end of the bottom of the upper template 3, and positioning pins 11 are detachably inserted into the positioning holes. The positioning pins 11 are movably inserted into the through holes at corresponding positions on the mainboard, so that the mainboard can be positioned during testing.
[0024] In the embodiment, the control panel 9 includes a plurality of buttons 8, and the plurality of buttons 8 are electrically connected to the data processor via wires for controlling the fixture.
[0025] In the embodiment, the control panel 9 further includes a display 10 , which is electrically connected to the data processor via a wire and is used to display test information.
[0026] In the embodiment, a foot pad 5 is provided at one end of the bottom of the base 4. The foot pad 5 is provided in four groups and is respectively arranged around the base 4. The foot pad 5 is made of anti-slip rubber material to play an anti-slip role.
[0027] The working principle of the functional test fixture based on the first embodiment is as follows: when the utility model is used, after the laptop computer motherboard to be tested is placed on the lower template 7, the upper template 3 is moved downward along the installation direction of the support plate 1 under the drive of the lifting device 12, and a positioning pin 11 is provided on the bottom end face of the upper template 3. When the upper template 3 moves downward, the positioning pin 11 passes through the corresponding hole position on the motherboard to position the motherboard; during the test, a number of probes 6 installed on the lower template 7 are connected to the metal contacts of the function to be tested on the motherboard. After the test, the probes 6 transmit the recorded data to the data processor through the wire, the data processor organizes and calculates the data, and the data processor transmits the processed data to the display 10 for display, and the upper template 3 is raised by turning the handle 13, and the motherboard is taken out, and the test is completed.
[0028] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.
Claims
1. A functional test fixture, comprising a base (4) and a support plate (1) mounted on the base (4), characterized in that: A lower template (7) is arranged on one side of the top of the base (4); an upper template (3) matched with the lower template (7) is arranged above the lower template (7); a mainboard installation area is arranged inside the lower template (7) and the upper template (3); a plurality of probes (6) are arranged at one end of the bottom of the lower template (7); the test ends of the probes (6) pass through the lower template (7) and are arranged in the mainboard installation area; the test ends of the probes (6) are used to transmit and collect analog signals by contacting with the mainboard interface; the ends of the probes (6) are electrically connected to a data processor inside the base (4) through a wire; a control panel (9) is installed on the other side of the top of the base (4); the control panel (9) is connected to the data processor through a wire; the data processor is used to collect and process the test data of the probes (6).
2. A functional test fixture according to claim 1, characterized in that: The support plate (1) is provided with a guide column (2), a shaft sleeve is slidably connected to the guide column (2), a through hole is opened on the upper template (3), a shaft sleeve is sleeved on the upper template (3) through the through hole, and the upper template (3) is slidably connected along the guide column (2) on the side end surface of the support plate (1) through the shaft sleeve.
3. A functional test fixture according to claim 1, characterized in that: A lifting device (12) is also connected to one end of the top of the upper template (3); one side of the top of the lifting device (12) is fixedly connected to the support plate (1) via a fastener; and an output end of the lifting device (12) is drivingly connected to the upper template (3).
4. A functional test fixture according to claim 3, characterized in that: The lifting device (12) further comprises a handle (13), one end of which is rotatably hinged to the support plate (1), and the other end of which is fixedly connected to the end of the output end of the lifting device (12) away from the upper template (3).
5. A functional test fixture according to claim 1, characterized in that: A plurality of positioning holes are also provided at one end of the bottom of the upper template (3), and positioning pins (11) are detachably inserted into the positioning holes.
6. A functional test fixture according to claim 1, characterized in that: The control panel (9) comprises a plurality of buttons (8), and the plurality of buttons (8) are electrically connected to the data processor via wires.
7. A functional test fixture according to claim 1, characterized in that: The control panel (9) also includes a display (10), and the display (10) is electrically connected to the data processor via a wire.
8. A functional test fixture according to claim 1, characterized in that: A foot pad (5) is arranged at one end of the bottom of the base (4), and four groups of the foot pads (5) are arranged respectively around the base (4), and the foot pads (5) are made of anti-slip rubber material.