CN201464146U - Automatic mobile phone drop test machine with acceleration measurement - Google Patents

Abstract

The utility model relates to an automatic mobile phone drop test machine with acceleration measurement, which comprises a frame and a lifting mechanism, wherein a sliding guide rail and a fixed rod are vertically arranged on a drop platform of the frame, a lifting block and a drop slider are arranged on the sliding guide rail, a first high-frequency response photoelectric sensor is arranged on the lifting block, and a cylinder for promoting the drop slider to drop and reset is fixedly arranged on one side of the lifting block; a vacuum chuck for adsorbing the mobile phone is arranged on the falling sliding block; a hydraulic buffer device is fixedly arranged on the falling platform and close to the lower section of the sliding guide rail; the upper part of the fixed rod is provided with a lifting stroke upper limit switch, and the lower part of the fixed rod is provided with a second high-frequency response photoelectric sensor with adjustable height; a computer controller is fixedly arranged on the rack, so that the falling time difference of the falling slide block is acquired through two groups of high-frequency response infrared photoelectric sensors, the falling speed and the falling acceleration of the mobile phone can be accurately displayed through automatic calculation of the computer controller, and an automatic mobile phone falling test is facilitated.

Description

Automatic mobile phone drop test machine with acceleration measurement

technical field

The utility model relates to an automatic mobile phone drop test machine, in particular to an automatic mobile phone drop test machine with acceleration measurement.

Background technique

my country has become the largest production base of mobile phones in the world. Because mobile phones are portable consumer electronics products, they are often dropped during actual use. The drop test of mobile phones is particularly important. It can simulate the structure of mobile phones, LCD modules, PCBA, batteries and other components. Testing plays a vital role in mobile phone R&D and quality inspection. The existing mobile phone drop test machine cannot accurately understand the acceleration and speed of the mobile phone when it is dropped, and the acceleration and speed of the falling object are necessary conditions for customers to evaluate the impact of the object. At present, the automatic mobile phone drop belt acceleration measurement is still blank in our country.

Utility model content

The utility model aims at the deficiency of the above-mentioned prior art, and its main purpose is to provide an automatic mobile phone drop tester with acceleration measurement, which collects the time difference of the falling slider through two sets of high-frequency response infrared photoelectric sensors, and the computer controller Automatic calculation can accurately display the falling speed and acceleration of the mobile phone.

In order to achieve the above-mentioned purpose, the utility model takes the following technical solutions:

An automatic mobile phone drop test machine with acceleration measurement, including a frame and a lifting mechanism, a sliding guide rail and a fixed rod are vertically provided on the drop platform of the frame, and a lifting block and a falling slide block are arranged on the sliding guide rail. The lifting block is provided with a first high-frequency response photoelectric sensor, and one side of the lifting block is fixed with a cylinder to promote the falling and resetting of the falling slider; the falling slider is provided with a vacuum suction cup for absorbing mobile phones; Close to the lower part of the sliding guide rail, there is a hydraulic buffer device directly facing the lower part of the falling slider; the upper part of the fixed rod is provided with the upper limit switch of the lifting stroke, and the lower part is provided with a height-adjustable second high-frequency response photoelectric sensor; the frame A computer controller that controls the work of the lifting mechanism and automatically calculates the falling speed and acceleration of the falling slider is fixed on the top.

The lifting mechanism includes a lifting synchronous belt and a lifting synchronous wheel, and the lifting synchronous belt and the lifting synchronous wheel are fixed under the upper cover plate of the frame and are located on the upper section of the sliding guide rail.

The frame is also provided with a safety door, and a handle is installed on one side of the safety door.

The hydraulic buffer device includes a fixed base and two hydraulic buffers arranged on the upper end of the fixed base.

The drop slide block is provided with a plug-type induction switch module.

A cooling fan is fixed on the frame.

The computer controller is a touch screen controller, which is fixed on one side of the frame through a support frame.

The utility model advantage is as follows:

1. Two sets of high-frequency response infrared photoelectric sensors are used to collect the time difference of the falling frame, which can be automatically calculated by the computer controller to accurately display the falling speed and acceleration of the mobile phone.

2. The computer controller is used to control the lifting and falling of the falling slider, and the falling height, times and lifting speed are set. After each falling, it can automatically reset to the adsorption position, so as to achieve repeated falling.

3. It adopts cylinder drive, synchronous belt drive, controls the lifting height, adopts precision guide rail guide, smooth lifting and low friction coefficient;

4. Pneumatic components are used for positioning, and the vacuum generator and vacuum suction cup absorb the mobile phone, which can meet the drop test of the mobile phone's diamond, corner and surface;

Description of drawings

Fig. 1 is the three-dimensional structural representation of the utility model;

Fig. 2 is a schematic view of the front view of the utility model;

Fig. 3 is a schematic side view of the utility model.

Explanation of reference numbers:

10. Rack 11. Cooling fan 12. Safety door 121. Handle 13. Drop platform 20. Lifting mechanism 21. Lifting synchronous belt 22. Lifting synchronous wheel 30. Sliding guide rail 40. Fixed rod 41. Lifting stroke upper limit switch 42. Second high-frequency response photoelectric sensor 50, lifting block 51, first high-frequency response photoelectric sensor 52, cylinder 60, drop slider 61, vacuum suction cup 62, plug-type induction switch module 70, hydraulic buffer device 71, fixed seat 72, hydraulic pressure Buffer 80, computer controller 81, support frame

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

Please refer to Fig. 1 to Fig. 3, a kind of automatic mobile phone drop tester with acceleration measurement, comprises frame 10 and lifting mechanism 20, and this frame 10 is fixedly provided with a cooling fan 11, is provided with a safety door on frame 10 12. A handle 121 is installed on one side of the safety door 12; a sliding guide rail 30 and a fixed rod 40 are vertically provided on the drop platform 13 of the frame 10, and a lifting block 50 and a falling slider 60 are arranged on the sliding guide rail 30 , the lifting block 50 is provided with a first high-frequency response photoelectric sensor 51, and one side of the lifting block 50 is fixedly provided with a cylinder 52 that impels the falling slider 51 to fall and reset; Vacuum suction cup 61, and the drop slider 60 is provided with a plug-type induction switch module 62; located on the drop platform 13 and close to the lower section of the sliding guide rail 30, a hydraulic buffer device 70 is fixed below the drop slider 60, the hydraulic buffer device 70 includes a fixed base 71 and two hydraulic buffers 72 arranged on the upper end of the fixed base 71 . The upper part of the fixed rod 40 is provided with a lift stroke upper limit switch 41, and the lower part is provided with a second high-frequency response photoelectric sensor 42 with adjustable height; The computer controller 80 of block 60 falling speed and acceleration, this computer controller 80 is a touch screen controller, and it is fixed on the side of frame 10 by a support frame 81, wherein can set in computer controller 80 and drop Parameters such as height, number of drops, adsorption height, and lifting speed can display the speed m/s and acceleration m/s ² when falling. The lifting mechanism 20 includes a lifting synchronous belt 21 and a lifting synchronous wheel 22 , the lifting synchronous belt 21 and the lifting synchronous wheel 22 are fixed below the upper cover plate of the frame 10 and located on the upper section of the sliding guide rail 30 .

During the test, the mobile phone is fixed on the drop slider 60, then the corresponding drop parameters are set in the computer controller 80, and the cylinder 52 is opened again to impel the drop slider 60 to fall. Second, the high-frequency response photoelectric sensor 42 collects the falling time difference of the falling slider 60 and feeds it back to the computer controller for automatic calculation, thereby accurately displaying the falling speed and acceleration of the falling slider, so the parameters of the mobile phone falling are naturally calculated.

The key point of the design of the utility model is to use two sets of high-frequency response infrared photoelectric sensors to collect the time difference of the falling of the drop frame. After automatic calculation by the computer controller, it can accurately display the falling speed and acceleration of the mobile phone, which is beneficial to the drop test of the mobile phone.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model in any way, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model, All still belong to within the scope of the technical solution of the utility model.

Claims (7)

1. be with the automatic mobile phone drop machine of acceleration analysis for one kind, comprise frame and elevating mechanism, it is characterized in that: the falling of this frame vertically is provided with one and slides a guide rail and a fixed bar on the platform, the described guide rail that slides is provided with elevator and falls slide block, this elevator is provided with the first high frequency response photoelectric sensor, and this elevator one side is installed with one and impels and fall slide block fall, the reset cylinder of usefulness; This falls the vacuum cup that slide block is provided with the absorption mobile phone; Be positioned to fall on the platform and and be installed with one over against the hydraulic damping device that falls the slide block below near sliding the guide rail hypomere; Described fixed bar top is provided with the lifting travel upper limit position switch, and the bottom is provided with the second high frequency response photoelectric sensor of an adjustment height; Be installed with a control elevating mechanism job on the described frame and calculate the computer controller that falls slide block speed of fall and acceleration automatically.

2. according to the automatic mobile phone drop machine of the described band acceleration analysis of claim 1, it is characterized in that: described elevating mechanism comprises lifting band and lifting synchronizing wheel synchronously, and synchronous band of this lifting and lifting synchronizing wheel are fixedly arranged on the below of frame upper cover plate and are positioned at and slide the guide rail epimere.

3. according to the automatic mobile phone drop machine of the described band acceleration analysis of claim 1, it is characterized in that: also be provided with a safety door on the described frame, this safety door one side is equipped with handle.

4. according to the automatic mobile phone drop machine of the described band acceleration analysis of claim 1, it is characterized in that: described hydraulic damping device comprises that a holder and two is located at the bydraulic buffers of this holder upper end.

5. according to the automatic mobile phone drop machine of the described band acceleration analysis of claim 1, it is characterized in that: the described slide block that falls is provided with the bolt-type inducted switch module.

6. according to the automatic mobile phone drop machine of the described band acceleration analysis of claim 1, it is characterized in that: be installed with a radiator fan on the described frame.

7. according to the automatic mobile phone drop machine of the described tape holder velocity survey of claim 1, it is characterized in that: described computer controller is a touch screen controller, and it is installed in frame one side by a bracing frame.

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