Split fan circuit board detection jig

Abstract

The utility model discloses a kind of split fan circuit board detection fixtures, wherein, detection machine is equipped with needle bed mechanism and power switch device, power switch device is connected to power supply, power switch device is electrically connected in needle bed mechanism, detection machine is equipped with machine signal output end and machine power supply output end, machine signal output end is connected in needle bed mechanism, machine power supply output end is connected in power switch device;Detection control module is equipped with control signal input end and control signal output end, control signal input end is connected in machine signal output end by cable;Output module is equipped with output element, conversion signal input end and power input end, conversion signal input end and power input end are electrically connected in output element respectively;Conversion signal input end is connected in the control signal output end of detection control module by cable;Power input end is connected in the machine power supply output end of detection machine by cable.The technical problem that detection fixture function is single, compatibility is poor is solved.

Description

Technical Field

[0001] This utility model relates to the field of circuit board testing equipment technology, and in particular to a split-type fan circuit board testing fixture. Background Technology

[0002] Circuit board testing fixtures are specialized tools used to test printed circuit boards for functions, electrical performance, signal integrity, and other aspects. Existing circuit board testing fixtures typically integrate mechanical structure, electrical interface, and control software into a single machine. They offer limited testing options, cannot replace test modules and control modules, and have poor applicability, thus necessitating improvement. Utility Model Content

[0003] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a modular fan circuit board testing fixture, enabling modular design of the equipment, allowing for module replacement according to testing requirements, and improving the equipment's compatibility and applicability.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a split-type fan circuit board testing fixture, comprising a testing control module, a testing machine, and an output module that are separately arranged. The testing machine is equipped with a needle bed mechanism and a power switch device. The power switch device is externally connected to a power supply and electrically connected to the needle bed mechanism. The testing machine is equipped with a machine signal output terminal and a machine power supply output terminal. The machine signal output terminal is connected to the needle bed mechanism, and the machine power supply output terminal is connected to the power switch device. The testing control module is equipped with a control signal input terminal and a control signal output terminal. The control signal input terminal is connected to the machine signal output terminal via a cable to receive the raw signal collected by the needle bed mechanism. The output module is equipped with an output element, a conversion signal input terminal, and a power supply input terminal. The output element is used to perform physical feedback of the test results. The conversion signal input terminal and the power supply input terminal are respectively electrically connected to the output element. The conversion signal input terminal is connected to the control signal output terminal of the testing control module via a cable. The power supply input terminal is connected to the machine power supply output terminal of the testing machine via a cable.

[0005] In further technical solutions, different output modules are equipped with different types of output elements, including fan units, indicator lights, or buzzers.

[0006] In a further technical solution, the detection control module is equipped with control keys. Different detection control modules have different types of control keys, including rotary buttons or push-button buttons.

[0007] In a further technical solution, the detection control module has a master signal switch, which is connected in series with the control key.

[0008] In a further technical solution, the output module is equipped with nine fan units, which are arranged in a row.

[0009] In a further technical solution, the detection control module is equipped with six control keys.

[0010] In a further technical solution, the needle bed mechanism is provided with a probe structure, which includes six probe assemblies, each probe assembly including multiple probe units; each probe assembly is signal-connected to a corresponding control key.

[0011] In a further technical solution, the testing machine includes a base, a back frame, a lifting drive mechanism, and a needle bed mechanism. The surface of the base is provided with testing fixture positions; the back frame is fixed to the rear side of the base, and a lifting guide rod is provided on both sides of the back frame; the needle bed mechanism is slidably installed on the lifting guide rod, and makes a sliding engagement in the up and down direction; the lifting drive structure is located on the top of the back frame and connected to the needle bed mechanism to drive the needle bed mechanism to move in the up and down direction.

[0012] In a further technical solution, the lifting drive structure includes a horizontal seat, a corner bracket, a downward drive arm, a hinge plate, and a transmission slide column. The horizontal seat is located on the top of the front side of the back frame; the corner bracket is fixed to the end of the horizontal seat, with a shaft connection at the top and a sliding sleeve at the bottom; the downward drive arm is L-shaped, with one end connected to the shaft connection via a rotating shaft; there are two hinge plates, with the upper ends connected to the corner of the downward drive arm via a second rotating shaft and the lower ends connected to the top of the transmission slide column via a third rotating shaft; the transmission slide column is slidably inserted into the cavity of the sliding sleeve, and the bottom end of the transmission slide column is fixed to the needle bed mechanism.

[0013] In a further technical solution, the needle bed mechanism includes an upper plate and a lower plate, with multiple connecting rods connecting the upper and lower plates to create a gap between them. The center of the top surface of the upper plate is fixed to the bottom end of the transmission slide column, and sliding guide seats are provided on both sides of the upper plate. The sliding guide seats are slidably sleeved on the corresponding lifting guide rods.

[0014] The advantages of this invention compared to the prior art after adopting the above structure are: 1. The detection control module, detection machine, and output module are set up separately, and the corresponding modules can be flexibly replaced according to different testing needs without replacing the entire equipment. This significantly improves the compatibility and applicability of the equipment and reduces the cost of the detection equipment.

[0015] 2. The output module can be configured with different types of output components, and the detection control module can be configured with different types of control keys. All of them are controlled by a general signal switch, which can specify a single circuit board for testing or test multiple circuit boards simultaneously, adapting to different testing scenarios and meeting diverse testing needs.

[0016] 3. The lifting drive mechanism of the testing machine uses a linkage design of horizontal seat, corner frame, downward drive arm, hinge plate and transmission slide column to drive the needle bed mechanism to slide up and down accurately, ensuring stable contact between the probe and the test point of the fan PCB, avoiding misjudgment due to poor contact, and improving the reliability of the test results. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the testing machine in this utility model.

[0020] Figure 3 This is a schematic diagram of the probe structure in this utility model. Detailed Implementation

[0021] The following are merely preferred embodiments of the present invention and do not limit the scope of protection of the present invention.

[0022] like Figures 1 to 3 As shown, a split-type fan circuit board testing fixture includes a testing control module 2, a testing machine 1, and an output module 3, which are separately arranged. The testing machine 1 is equipped with a needle bed mechanism 13 and a power switch device 19. The power switch device 19 is externally powered and electrically connected to the needle bed mechanism 13. The testing machine 1 has a machine signal output terminal and a machine power supply output terminal. The machine signal output terminal is connected to the needle bed mechanism 13, and the machine power supply output terminal is connected to the power switch device 19. The testing control module 2 is equipped with a control signal input terminal and a control signal output terminal. The control signal input terminal is connected to the machine signal output terminal via a cable to receive the raw signal collected by the needle bed mechanism 13. The output module 3 is equipped with an output element 32, a conversion signal input terminal, and a power supply input terminal. The output element 32 is used to perform physical feedback of the test results. The conversion signal input terminal and the power supply input terminal are respectively electrically connected to the output element 32. The conversion signal input terminal is connected to the control signal output terminal of the testing control module 2 via a cable. The power supply input terminal is connected to the machine power supply output terminal of the testing machine 1 via a cable.

[0023] The detection control module 2, the detection machine 1, and the output module 3 are set up separately, and the corresponding modules can be flexibly replaced according to different testing needs without replacing the entire equipment. This significantly improves the compatibility and applicability of the equipment and reduces the cost of the detection equipment.

[0024] Specifically, different output modules 3 are provided with different types of output elements 32, and the output elements 32 include fan units.

[0025] Specifically, the detection control module 2 is equipped with control keys 21. Different detection control modules 2 have different types of control keys 21, including push-button type.

[0026] Specifically, the detection control module 2 has a main signal switch 22, which is connected in series with the control key 21.

[0027] The output module 3 can be configured with different types of output components 32, and the detection control module 2 can be configured with different types of control keys 21. It is controlled uniformly by the main signal switch 22, which can specify a circuit board for testing or test multiple circuit boards at the same time, adapt to different testing scenarios, and meet diverse testing needs.

[0028] Specifically, output module 3 has nine fan units, which are arranged in a row.

[0029] Specifically, the detection control module 2 has six control keys 21.

[0030] Specifically, the needle bed mechanism 13 is provided with a probe structure 14, which includes six probe assemblies 141, each probe assembly 141 including multiple probe units 140; each probe assembly 141 is signal-connected to a corresponding control key 21.

[0031] Specifically, the testing machine 1 includes a base 11, a back frame 12, a lifting drive mechanism, and a needle bed mechanism 13. The surface of the base 11 is provided with a testing fixture position 10. The back frame 12 is fixed to the rear side of the base 11, and a lifting guide rod 121 is provided on both sides of the back frame 12. The needle bed mechanism 13 is slidably installed on the lifting guide rod 121 for vertical sliding cooperation. The lifting drive structure is located on the top of the back frame 12 and connected to the needle bed mechanism 13 to drive the needle bed mechanism 13 to move vertically.

[0032] Specifically, the lifting drive structure includes a horizontal seat 151, a corner bracket 152, a downward drive arm 153, a hinge plate 154, and a transmission slide column 155. The horizontal seat 151 is located on the top of the front side of the back frame 12. The corner bracket 152 is fixed to the end of the horizontal seat 151. The top of the corner bracket 152 is provided with a shaft connection part 1521, and the bottom is provided with a sliding sleeve 1522. The downward drive arm 153 is L-shaped. One end of the downward drive arm 153 is connected to the shaft connection part 1521 through a rotating shaft. There are two hinge plates 154. The upper ends of the two hinge plates 154 are connected to the corner of the downward drive arm 153 through a second rotating shaft, and the lower ends are connected to the top of the transmission slide column 155 through a third rotating shaft. The transmission slide column 155 is slidably inserted into the cavity of the sliding sleeve 1522, and the bottom end of the transmission slide column 155 is fixed to the needle bed mechanism 13.

[0033] The lifting drive mechanism of the testing machine 1, through the linkage design of the horizontal seat 151, the corner bracket 152, the downward drive arm 153, the hinge plate 154 and the transmission slide column 155, drives the needle bed mechanism 13 to slide up and down precisely, ensuring stable contact between the probe and the test point of the fan PCB, avoiding misjudgment due to poor contact, and improving the reliability of the test results.

[0034] Specifically, the needle bed mechanism 13 includes an upper plate 131 and a lower plate 132. Multiple connecting rods 133 are connected between the upper plate 131 and the lower plate 132 to achieve a gap between the upper plate 131 and the lower plate 132. The center of the top surface of the upper plate 131 is fixed to the bottom end of the transmission slide column 155. Sliding guide seats are provided on both sides of the upper plate 131, and the sliding guide seats are slidably sleeved on the corresponding lifting guide rods 121.

[0035] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A split-type fan circuit board testing fixture, characterized in that: It includes a detection control module (2), a detection machine (1), and an output module (3) that are set up separately from each other. The testing machine (1) is equipped with a needle bed mechanism (13) and a power switch device (19). The power switch device (19) is connected to an external power supply and is electrically connected to the needle bed mechanism (13). The testing machine (1) is equipped with a machine signal output terminal and a machine power supply output terminal. The machine signal output terminal is connected to the needle bed mechanism (13), and the machine power supply output terminal is connected to the power switch device (19). The detection control module (2) is equipped with a control signal input terminal and a control signal output terminal. The control signal input terminal is connected to the machine signal output terminal via a cable to receive the original signal collected by the needle bed mechanism (13). The output module (3) is provided with an output element (32), a conversion signal input terminal and a power supply input terminal. The output element (32) is used to perform physical feedback of the test results. The conversion signal input terminal and the power supply input terminal are electrically connected to the output element (32) respectively. The conversion signal input terminal is connected to the control signal output terminal of the detection control module (2) through a cable. The power supply input terminal is connected to the machine power supply output terminal of the detection machine (1) through a cable.

2. The split-type fan circuit board testing fixture according to claim 1, characterized in that: Different output modules (3) are provided with different types of output elements (32), including fan units, indicator lights or buzzers.

3. The split-type fan circuit board testing fixture according to claim 2, characterized in that: The detection control module (2) is equipped with control keys (21). Different detection control modules (2) have different types of control keys (21). The control keys (21) include rotary buttons or push-button buttons.

4. The split-type fan circuit board testing fixture according to claim 3, characterized in that: The detection control module (2) has a main signal switch (22), which is connected in series with the control key (21).

5. A split-type fan circuit board testing fixture according to claim 4, characterized in that: The output module (3) has nine fan units, which are arranged in a row.

6. A split-type fan circuit board testing fixture according to claim 5, characterized in that: The detection control module (2) is equipped with six control keys (21).

7. A split-type fan circuit board testing fixture according to claim 6, characterized in that: The needle bed mechanism (13) is provided with a probe structure (14), which includes six probe assemblies (141), each probe assembly (141) including multiple probe units (140); each probe assembly (141) is signal-connected to the corresponding control key (21).

8. A split-type fan circuit board testing fixture according to claim 1, characterized in that: The testing machine (1) includes a base (11), a back frame (12), a lifting drive mechanism, and the needle bed mechanism (13). The surface of the base (11) is provided with a testing fixture position (10); The back frame (12) is fixed to the rear side of the base (11), and a lifting guide rod (121) is provided on both sides of the back frame (12). The needle bed mechanism (13) is slidably mounted on the lifting guide rod (121) for sliding cooperation in the up and down direction; The lifting drive structure is located on the top of the back frame (12) and connected to the needle bed mechanism (13) to drive the needle bed mechanism (13) to move up and down.

9. A split-type fan circuit board testing fixture according to claim 8, characterized in that: The lifting drive structure includes a horizontal seat (151), a corner bracket (152), a downward drive arm (153), a hinge plate (154), and a transmission slide column (155). A cross seat (151) is located on the top of the front side of the back frame (12); Angle bracket (152) is fixed to the end of cross seat (151). The top of the angle bracket (152) is provided with a shaft connection (1521) and the bottom is provided with a sliding sleeve (1522). The downward drive arm (153) is L-shaped, and one end of the downward drive arm (153) is connected to the shaft joint (1521) via a rotating shaft. There are two hinge plates (154). The upper ends of these two hinge plates (154) are connected to the corner of the pressing drive arm (153) through the second rotating shaft, and the lower ends are connected to the top of the transmission slide column (155) through the third rotating shaft. The transmission slide (155) is slidably inserted into the cavity of the sliding sleeve (1522), and the bottom end of the transmission slide (155) is fixed to the needle bed mechanism (13).

10. A split-type fan circuit board testing fixture according to claim 9, characterized in that: The needle bed mechanism (13) includes an upper plate (131) and a lower plate (132). Multiple connecting rods (133) are connected between the upper plate (131) and the lower plate (132) to achieve a gap between the upper plate (131) and the lower plate (132). The center of the top surface of the upper plate (131) is fixed to the bottom end of the transmission slide column (155). Sliding guide seats are provided on both sides of the upper plate (131), and the sliding guide seats are slidably sleeved on the corresponding lifting guide rod (121).

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