A life testing device for electric bicycle button switches

Abstract

This utility model discloses a device for testing the lifespan of a push-button switch on an electric bicycle, comprising a pressing device and a clamping device. The pressing device includes a first base, a slider, a bionic pressing head, a rocker arm, a first connecting rod, and a second connecting rod. A first groove is formed on the first base, and the slider is slidably connected in the first groove. The bionic pressing head is disposed at the front end of the first connecting rod, and the rear end of the first connecting rod is connected to the slider. One end of the second connecting rod is rotatably connected to the slider, and the other end is rotatably connected to the rocker arm. The rocker arm is driven by a motor drive shaft. When the motor starts and drives the rocker arm to rotate, the slider can move back and forth along the first groove. The clamping device is used to clamp and fix the push-button switch to be tested. By simulating the characteristics of a human hand dynamically pressing a push-button switch through a bionic silicone pressing contact and a pneumatic servo pressure system, combined with high-precision displacement and current monitoring, automated testing of the mechanical lifespan of the push-button switch is achieved.

Description

Technical Field

[0001] This utility model relates to the field of electronic component testing technology, and in particular to a device for testing the lifespan of electric bicycle push-button switches. Background Technology

[0002] As an important component of human-computer interaction on electric bicycles, the reliability of electric bicycle buttons is directly related to riding safety and user experience. Therefore, they need to be tested from multiple aspects, including environmental adaptability, mechanical durability, and electrical performance. However, in the current technology, the traditional button testing in the electric bicycle industry is all done manually, which has the following disadvantages: (1) The manual button life test time is limited, the judgment process is subjective and one-sided, and the efficiency is low, the cost is high and the consistency is poor; (2) Traditional robotic arm testing cannot simulate the force curve and tactile feedback of the fingers; (3) The function is single and lacks multi-dimensional data collection, such as pressure, stroke, rebound time, etc. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a device for testing the lifespan of electric bicycle button switches.

[0004] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0005] An electric bicycle button switch life testing device is characterized by comprising a pressing device and a clamping device. The pressing device includes a first base, a slider, a bionic pressing head, a rocker arm, a first connecting rod, and a second connecting rod. A first groove is formed on the first base, and the slider is slidably connected in the first groove. The bionic pressing head is disposed at the front end of the first connecting rod, and the rear end of the first connecting rod is connected to the slider. One end of the second connecting rod is rotatably connected to the slider, and the other end is rotatably connected to the rocker arm. The rocker arm is driven to connect to a motor drive shaft. When the motor starts and drives the rocker arm to rotate, the slider can move back and forth along the first groove. The clamping device is used to clamp and fix the button switch to be tested.

[0006] Furthermore, the clamping device includes a second base, a clamping fixing plate, and clamping plates. The bottom of the clamping fixing plate is connected to the second base, and the upper surface of the clamping fixing plate is provided with a second sliding groove. The two clamping plates are arranged opposite to each other and slidably connected in the second sliding groove.

[0007] Furthermore, the clamp fixing plate is provided with a first adjustment knob. Rotating the first adjustment knob can control the clamping plate to move along the second slide groove, thereby controlling the distance between the clamping plates.

[0008] Furthermore, a third sliding groove is provided on the upper surface of the second base, and the bottom of the clamp fixing plate is slidably connected in the third sliding groove.

[0009] Furthermore, a second adjustment knob is provided on the second base, and rotating the second adjustment knob can control the clamp fixing plate to move along the third slide groove.

[0010] Furthermore, the bionic pressing head is equipped with a pressure sensor inside, which can measure and output the pressure value when the bionic pressing head presses the button switch.

[0011] Furthermore, a slider positioning block is fixedly connected to the upper surface of the slider, and the slider is rotatably connected to the second connecting rod through the slider positioning block.

[0012] Furthermore, the surface of the bionic pressing head is a rough surface with an uneven microstructure.

[0013] Furthermore, the surface friction coefficient of the bionic pressing head is 0.4-0.6.

[0014] Furthermore, the bionic pressing head is made of silicone.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This invention is a lifespan testing device for electric bicycle push-button switches that simulates the action of a human hand pressing a push-button switch. It uses a biomimetic silicone pressing contact and a pneumatic servo pressure system to mimic the dynamic pressing characteristics of a human hand. Combined with high-precision displacement and current monitoring, it achieves automated testing of the button's mechanical lifespan. The device features programmable control of the pressing mode and intelligent determination of failure points, solving the problems of low efficiency in manual testing and poor realism in traditional mechanical testing.

[0017] Other features and advantages of this invention will be set forth in the following description or may be learned by practicing this invention. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0019] Figure 2 This is a schematic diagram of the bionic pressing head structure in the embodiment;

[0020] In the diagram: 1-First base, 2-Slider, 3-Bionic pressing head, 4-Rock arm, 5-First connecting rod, 6-Second connecting rod, 7-First slide groove, 8-Second base, 9-Clamp fixing plate, 10-Clamping plate, 11-Second slide groove, 12-First adjusting knob, 13-Third slide groove, 14-Second adjusting knob, 15-Pressure sensor, 16-Slider positioning block. Detailed Implementation

[0021] To enhance understanding of this utility model, we will now describe it in further detail with reference to the accompanying drawings. This embodiment is only used to explain this utility model and does not constitute a limitation on the scope of protection of this utility model.

[0022] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0024] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," "fixing," and "setting," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0025] like Figure 1 As shown, an electric bicycle button switch life testing device includes a pressing device and a clamping device. The pressing device includes a first base 1, a slider 2, a bionic pressing head 3, a rocker arm 4, a first connecting rod 5, and a second connecting rod 6.

[0026] A first groove 7 is provided on the first base 1. The slider 2 is slidably connected in the first groove 7. The bionic pressing head 3 is located at the front end of the first connecting rod 5, and the rear end of the first connecting rod 5 is connected to the slider 2. A slider positioning block 16 is fixedly connected to the upper surface of the slider 2. One end of the second connecting rod 6 is rotatably connected to the slider positioning block 16, and the other end is rotatably connected to the rocker arm 4. The rocker arm 4 is driven by a motor drive shaft. When the motor starts and drives the rocker arm 4 to rotate, the slider 2 can move back and forth along the first groove 7. The clamping device is used to clamp and fix the button switch to be tested.

[0027] Specifically, the clamping device includes a second base 8, a clamp fixing plate 9, and clamping plates 10. The bottom of the clamp fixing plate 9 is connected to the second base 8, and the upper surface of the clamp fixing plate 9 is provided with a second sliding groove 11. The two clamping plates 10 are arranged opposite each other and slidably connected in the second sliding groove 11. A first adjusting knob 12 is provided on the clamp fixing plate 9. Rotating the first adjusting knob 12 can control the movement of the clamping plates 10 along the second sliding groove 11, thereby controlling the distance between the clamping plates 10.

[0028] The upper surface of the second base 8 is provided with a third slide groove 13, and the bottom of the clamp fixing plate 9 is slidably connected in the third slide groove 13. The second base 8 is provided with a second adjustment knob 14, and rotating the second adjustment knob 14 can control the clamp fixing plate 9 to move along the third slide groove 13.

[0029] like Figure 2 As shown, the bionic press head 3 has a pressure sensor 15 inside, which measures and outputs the pressure value when the bionic press head 3 presses the button switch. The surface of the bionic press head 3 is a rough surface with an uneven microstructure. The surface friction coefficient of the bionic press head 3 is 0.4-0.6. The bionic press head 3 is made of silicone material.

[0030] The working process and principle of the above embodiments are as follows:

[0031] (1) Place the button switch to be tested on the fixture fixing plate 9, rotate the first adjustment knob 12 to adjust the distance between the two clamping plates 10 until the button switch is firmly clamped and fixed between the two clamping plates 10, and align the button switch with the bionic pressing head 3.

[0032] (2) Adjust the rotation speed of the motor to match the set pressing frequency, and rotate the second adjustment knob 14 to adjust the distance between the clamp fixing plate 9 and the pressing device according to the set pressing pressure, thereby changing the pressing pressure of the bionic pressing head 3 to match the preset value.

[0033] (3) Start test and monitor in real time: According to the enterprise standard / national standard, measure the actual pressure value range required to open the button switch;

[0034] (4) Continuously test until the button switch fails, and then stop, outputting the contact pressure change curve;

[0035] (5) Press failure record, output the number of failures, and calculate the button opening and closing pressure range, time failure curve, failure rate, and bionic press head wear based on the obtained pressure, failure number, and press number parameters.

[0036] (6) Output measurement of button wear degree analysis based on the number of presses.

[0037] Through biomimetic dynamics simulation, the biomimetic press head 3 simulates the pressing texture of a human hand, and the micro-texture design on the surface of the press head simulates the coefficient of friction of a fingerprint.

[0038] The above specific embodiments are only for illustrating the technical concept and structural features of this utility model, and are intended to enable those skilled in the art to implement them. However, the above content does not limit the protection scope of this utility model. Any equivalent changes or modifications made in accordance with the spirit and essence of this utility model shall fall within the protection scope of this utility model.

Claims

1. An electric bicycle key switch life detection device, characterized by: The device includes a pressing device and a clamping device. The pressing device includes a first base (1), a slider (2), a bionic pressing head (3), a rocker arm (4), a first connecting rod (5), and a second connecting rod (6). The first base (1) has a first groove (7). The slider (2) is slidably connected in the first groove (7). The bionic pressing head (3) is located at the front end of the first connecting rod (5). The rear end of the first connecting rod (5) is connected to the slider (2). One end of the second connecting rod (6) is rotatably connected to the slider (2), and the other end is rotatably connected to the rocker arm (4). The rocker arm (4) is driven by a motor drive shaft. When the motor starts and drives the rocker arm (4) to rotate, the slider (2) can move back and forth along the first groove (7). The clamping device is used to clamp and fix the button switch to be tested.

2. The electric bicycle key switch life detection device according to claim 1, characterized in that: The clamping device includes a second base (8), a clamp fixing plate (9), and clamping plates (10). The bottom of the clamp fixing plate (9) is connected to the second base (8), and the upper surface of the clamp fixing plate (9) is provided with a second sliding groove (11). The two clamping plates (10) are arranged opposite to each other and slidably connected in the second sliding groove (11).

3. The electric bicycle key switch life detection device according to claim 2, characterized in that: The clamp fixing plate (9) is provided with a first adjustment knob (12). Rotating the first adjustment knob (12) can control the clamp (10) to move along the second slide groove (11), thereby controlling the distance between the clamps (10).

4. The electric bicycle key switch life detection device of claim 2, wherein: The upper surface of the second base (8) is provided with a third slide groove (13), and the bottom of the clamp fixing plate (9) is slidably connected in the third slide groove (13).

5. The electric bicycle key switch life detection device of claim 4, wherein: The second base (8) is provided with a second adjustment knob (14). Rotating the second adjustment knob (14) can control the clamp fixing plate (9) to move along the third slide groove (13).

6. The electric bicycle key switch life detection device of claim 1, wherein: The bionic pressing head (3) is equipped with a pressure sensor (15) inside, which can measure and output the pressure value when the bionic pressing head (3) presses the button switch.

7. The electric bicycle key switch life detection device of claim 1, wherein: A slider positioning block (16) is fixedly connected to the upper surface of the slider (2), and the slider (2) is rotatably connected to the second connecting rod (6) through the slider positioning block (16).

8. The electric bicycle button switch life testing device according to claim 1, characterized in that: The surface of the bionic pressing head (3) is a rough surface with a concave-convex microstructure.

9. The electric bicycle key switch life detection device of claim 8, wherein: The surface friction coefficient of the bionic pressing head (3) is 0.4-0.

6.

10. The electric bicycle key switch life detection device of claim 1, wherein: The bionic pressing head (3) is made of silicone.

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