Vibration test equipment for testing plugging stability of circuit board and connector

Abstract

The utility model discloses a vibration test device for testing the plugging stability of a circuit board and a connector. The vibration test device comprises a control cabinet. The vibration table is installed on the base, the vibration table is electrically connected with the control cabinet, the vibration table comprises the base, a vibration device and a clamp, the clamp is arranged on the base, the vibration device is arranged at the bottom of the base, a plug is arranged at one end of the base, and the plug is connected with the control cabinet through a wire.

Description

Technical Field

[0001] The utility model relates to the technical field of testing equipment, in particular to a vibration testing device for testing the plugging stability of a circuit board and a connector. Background Art

[0002] When a car is driving, due to road conditions and its own starting problems, the plug may be detached from the corresponding plug port on the circuit board due to vibration or bumps, thus affecting the normal driving of the car. Therefore, it is necessary to conduct a test on this. However, the existing test is generally manual, with low efficiency and low quality. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a vibration testing device for testing the plugging stability of a circuit board and a connector, which can improve the detection efficiency and detection quality.

[0004] According to an embodiment of the utility model, a vibration testing device for testing the plugging stability of a circuit board and a connector includes:

[0005] Control cabinet;

[0006] The vibration table is installed on the base, the vibration table is electrically connected to the control cabinet, the vibration table includes a base, a vibration device and a clamp, the clamp is arranged on the base, the vibration device is arranged at the bottom of the base, a plug is arranged at one end of the base, and the plug is connected to the control cabinet through a wire.

[0007] According to a vibration test device for testing the plug-in stability of a circuit board and a connector according to an embodiment of the utility model, there are at least the following beneficial effects: after the inspector fixes the circuit board to be tested on the fixture, the plug on the base is correspondingly plugged into the socket on the circuit board to be tested, and then the vibration device is started, and the vibration device moves the fixture back and forth in the horizontal direction according to the predetermined vibration frequency under the parameters preset by the control cabinet, and continues to repeat the system preset time. The connection between the simulated circuit board and the plug is shaken during the driving of the car. In addition, it should be noted that a sensor is provided at the plug. When the plug and the circuit board are separated during the test, the sensor feeds back the information to the control cabinet, and the control cabinet sends a command to the vibration device, and the vibration device stops. If the circuit board and the plug are not separated after the entire test is completed, the circuit board is qualified. The whole process does not require manual operation, and the detection efficiency is high.

[0008] According to a vibration test device for testing the plug-in stability of a circuit board and a connector according to an embodiment of the utility model, the vibration table is also provided with a knocking device, the knocking device is installed on the base, and the fixture is provided on the knocking device. The knocking device is used to simulate the bumping condition of the car when driving, so that the bumping test is carried out at the same time as the circuit board is tested for shaking, so as to simulate the comprehensive condition of the vehicle in the actual situation and further improve the detection efficiency.

[0009] According to a vibration testing device for testing the plug-in stability of a circuit board and a connector according to an embodiment of the utility model, the knocking device is composed of a plurality of cylinders distributed at the bottom of the fixture, and the cylinders are electrically connected to a control cabinet.

[0010] According to a vibration test device for testing the plug-in stability of a circuit board and a connector according to an embodiment of the utility model, the fixture includes a fixing plate and a fixing mechanism, the fixing plate is arranged on a base and mounted above a knocking device, and a plurality of fixing mechanisms are installed on the base and arranged around the fixing plate. The circuit board to be tested is placed on the fixing plate, and the fixing mechanism is used to fix the circuit board on the fixing plate to prevent the circuit board from being dropped during the test.

[0011] According to a vibration testing device for testing the plug-in stability of a circuit board and a connector according to an embodiment of the utility model, the fixing mechanism includes a support block, an operating handle and a pressure rod, and the support block, the operating handle and the pressure rod are connected by a transmission mechanism.

[0012] According to a vibration testing device for testing the plug-in stability of a circuit board and a connector according to an embodiment of the utility model, a plurality of pads are arranged on a fixed plate, and the arrangement positions of the pads correspond to the positions of the pressure rods. The pads are utilized to isolate the bottom of the circuit board from the surface of the fixed plate to avoid direct contact that may cause damage to the surface of the circuit board.

[0013] According to a vibration testing device for testing the plug-in stability of a circuit board and a connector according to an embodiment of the utility model, a sheath is provided at the end of a pressure rod to prevent the end of the pressure rod from causing damage to the surface of the circuit board.

[0014] According to a vibration testing device for testing the plug-in stability of a circuit board and a connector according to an embodiment of the utility model, two groups of vibration devices are provided, and the two groups of vibration devices are respectively arranged on both sides of a base, wherein the vibration devices are cylinders, and the two groups of cylinders are respectively arranged on both sides of the base, and under the control of a control system, the base is reciprocated in a horizontal direction to simulate the shaking of a car during driving.

[0015] According to a vibration testing device for testing the plugging stability of a circuit board and a connector according to an embodiment of the utility model, the vibration table is also provided with a cooling fan, and the cooling fan blows air toward the vibration device.

[0016] According to an embodiment of the utility model, a vibration test device for testing the plug-in stability of a circuit board and a connector also includes an alarm connected to a control cabinet. When the plug and the circuit board are separated during the test, the alarm sends a reminder message after receiving a signal to remind the inspector to check in time.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 This is a structural schematic diagram of a vibration testing device for testing the plugging stability of a circuit board and a connector according to an embodiment of the utility model;

[0020] Figure 2 The present invention is a schematic top view of a vibration testing device for testing the plugging stability of a circuit board and a connector according to an embodiment of the present invention.

[0021] Description of reference numerals:

[0022] Control cabinet 100;

[0023] Base 200;

[0024] Vibration device 300;

[0025] A striking device 400;

[0026] Fixed plate 500; Spacer block 510;

[0027] Fixing mechanism 600; support block 610; operating handle 620; pressing rod 630;

[0028] Plug 700. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In the description of utility models, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as excluding the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0032] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0033] Reference Figure 1 to Figure 2 The embodiment of the utility model provides a vibration testing device for testing the plug-in stability of a circuit board and a connector, including a control cabinet 100; a vibration table, the vibration table is electrically connected to the control cabinet 100, the vibration table includes a base 200, a vibration device 300 and a clamp, the clamp is arranged on the base 200, the vibration device 300 is arranged at the bottom of the base 200, a plug 700 is arranged at one end of the base 200, and the plug 700 is connected to the control cabinet 100 through a wire.

[0034] After the inspector fixes the circuit board to be inspected on the fixture, he plugs the plug 700 on the base 200 into the socket on the circuit board to be inspected, and then starts the vibration device 300. The vibration device 300 moves the fixture back and forth in the horizontal direction according to the predetermined vibration frequency under the preset parameters of the control cabinet 100, and continues to repeat the system preset time. The connection between the simulated circuit board and the plug 700 is shaken during the driving of the car. In addition, it should be noted that a sensor is provided at the plug 700. When the plug 700 and the circuit board are separated during the test, the sensor feeds back the information to the control cabinet 100, and the control cabinet 100 sends a command to the vibration device 300, and the vibration device 300 stops. If the circuit board and the plug 700 are not separated after the entire test is completed, the circuit board is qualified. The whole process does not require manual operation, and the detection efficiency is high.

[0035] According to some embodiments of the present application, the vibration table is further provided with a knocking device 400, which is installed on the base 200, and the fixture is provided on the knocking device 400. The knocking device 400 is used to simulate the bumping situation that occurs when the car is driving, so that when the circuit board is tested and shaken, the bump test is performed at the same time, simulating the comprehensive situation of the vehicle in the actual situation, and further improving the detection efficiency. Specifically, the knocking device 400 is composed of a plurality of cylinders, and the plurality of cylinders are distributed at the bottom of the fixture, and the cylinders are electrically connected to the control cabinet 100.

[0036] According to some embodiments of the present application, the fixture includes a fixing plate 500 and a fixing mechanism 600, wherein the fixing plate 500 is disposed on the base 200 and is mounted above the knocking device 400, and a plurality of fixing mechanisms 600 are installed on the base 200 and are arranged around the fixing plate 500. The circuit board to be tested is placed on the fixing plate 500, and the fixing mechanism 600 is used to fix the circuit board on the fixing plate 500 to prevent the circuit board from being thrown off during the test. Specifically, the fixing mechanism 600 includes a support block 610, an operating handle 620, and a pressure rod 630, and the support block 610, the operating handle 620, and the pressure rod 630 are connected by a transmission mechanism.

[0037] According to some embodiments of the present application, a plurality of pads 510 are provided on the fixing plate 500, and the positions of the pads 510 correspond to the positions of the pressure rods 630. The pads 510 are used to isolate the bottom of the circuit board from the surface of the fixing plate 500 to avoid direct contact and damage to the surface of the circuit board. Furthermore, a sheath is provided at the end of the pressure rod 630 to prevent the end of the pressure rod 630 from causing damage to the surface of the circuit board.

[0038] According to some embodiments of the present application, the present application provides a first embodiment of a vibration device 300, such as Figure 1 and Figure 2 As shown, two groups of vibration devices 300 are provided, and the two groups of vibration devices 300 are respectively arranged on both sides of the base 200, wherein the vibration devices 300 are cylinders, and the two groups of cylinders are respectively arranged on both sides of the base 200. Under the control of the control system, the base 200 is reciprocated in the horizontal direction to simulate the shaking of the car during driving.

[0039] According to some embodiments of the present application, the present application provides a second embodiment of a vibration device 300 (not shown in the figure), wherein the vibration device 300 is composed of a motor and a transmission screw, wherein the output end of the motor is connected to one end of the transmission screw, and the motor rotates forward and reverse under the control of a control system and drives the transmission screw to rotate forward and reverse, so that the base 200 moves back and forth in the horizontal direction to simulate the shaking of a car during driving.

[0040] According to some embodiments of the present application, the vibration table is further provided with a heat dissipation fan, and the heat dissipation fan blows air toward the vibration device 300 .

[0041] According to some embodiments of the present application, an alarm (not shown) is connected to the control cabinet 100. When the plug 700 is disconnected from the circuit board during the test, the alarm (not shown) sends a reminder message after receiving the signal to remind the inspector to check in time.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A vibration test device for testing the plug-in stability of a circuit board and a connector, characterized in that: include: Control cabinet; A vibration table, wherein the vibration table is electrically connected to the control cabinet, the vibration table comprises a base, a vibration device and a clamp, the clamp is arranged on the base, the vibration device is arranged at the bottom of the base, a plug is arranged at one end of the base, and the plug is connected to the control cabinet through a wire.

2. A vibration testing device for testing the plugging stability of a circuit board and a connector according to claim 1, characterized in that: The vibration table is also provided with a knocking device, which is installed on the base, and the clamp is arranged on the knocking device.

3. A vibration testing device for testing the plugging stability of a circuit board and a connector according to claim 2, characterized in that: The knocking device is composed of a plurality of cylinders, which are distributed at the bottom of the fixture and are electrically connected to the control cabinet.

4. A vibration testing device for testing the plugging stability of a circuit board and a connector according to claim 2, characterized in that: The clamp comprises a fixing plate and a fixing mechanism. The fixing plate is arranged on the base and is mounted above the knocking device. A plurality of fixing mechanisms are installed on the base and are arranged around the fixing plate.

5. A vibration testing device for testing the plugging stability of a circuit board and a connector according to claim 4, characterized in that: The fixing mechanism comprises a support block, an operating handle and a pressure rod, and the support block, the operating handle and the pressure rod are connected via a transmission mechanism.

6. A vibration testing device for testing the plugging stability of a circuit board and a connector according to claim 5, characterized in that: A plurality of cushion blocks are arranged on the fixing plate, and the arrangement positions of the cushion blocks correspond to and match the positions of the pressure rods.

7. A vibration testing device for testing the plugging stability of a circuit board and a connector according to claim 6, characterized in that: The end of the pressure rod is provided with a sheath.

8. A vibration testing device for testing the plugging stability of a circuit board and a connector according to claim 1, characterized in that: The vibration devices are provided in two groups, and the two groups of the vibration devices are respectively arranged on both sides of the base.

9. A vibration testing device for testing the plugging stability of a circuit board and a connector according to claim 8, characterized in that: The vibration platform is also provided with a heat dissipation fan, and the heat dissipation fan blows air toward the vibration device.

10. A vibration testing device for testing the plugging stability of a circuit board and a connector according to claim 1, characterized in that: It also includes an alarm, which is connected to the control cabinet.

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