CN201349328Y - Cellphone display module and sound cavity module testing device - Google Patents

Abstract

The utility model is applicable to the field of mobile phone testing, and provides a mobile phone display module and sound cavity module testing device, including a support seat for supporting the main board of the mobile phone equipped with the display module and the sound cavity module, and providing The power supply mechanism of the power supply and the fixing mechanism for fixing the main board of the mobile phone on the support base, the fixing mechanism and the power supply mechanism are placed on the support base, and the support base is provided with a detection component for contacting with a detection point provided on the main board of the mobile phone , the detection component is electrically connected to the power supply mechanism. After adopting the above technical scheme, due to the arrangement of the mobile phone fixing mechanism, the mobile phone main board can be fixed on the detection device conveniently and quickly, so that the detection point on the mobile phone main board is in good contact with the detection pin on the detection device, thereby It avoids the problem in the prior art that the main board of the mobile phone is easy to move on the detection device, resulting in poor contact between it and the detection pin, thereby affecting the detection efficiency and the stability of the detection result.

Description

A mobile phone display module and sound cavity module testing device

technical field

The utility model belongs to the field of mobile phone testing, in particular to a testing device for a mobile phone display module and a sound cavity module.

Background technique

After the LCD or sound cavity module components are welded on the main board of the mobile phone, the jigs used to detect them are basically powered by batteries (some mobile phones are also powered by USB cables). Therefore, the working process of the existing jigs is basically It is to fix the battery on the jig, use pins to locate the main board of the mobile phone, and place the main board of the mobile phone with LCD or sound cavity module on the jig for testing. During the detection process, the elastic reed on the main board of the mobile phone contacts the positive and negative poles on the battery, and the battery supplies power to the main board of the mobile phone, and then the main board of the mobile phone is tested. Although this detection device has a simple structure, it is not provided with a mobile phone motherboard fixing mechanism, thus causing the mobile phone motherboard to easily move on the jig and cause it to be in poor contact with the detection needle, thereby affecting the efficiency of detection and the stability of the detection results.

Utility model content

The purpose of this utility model is to provide a mobile phone display module and sound chamber module testing device, aiming to solve the problems existing in the prior art that the main board of the mobile phone is easy to contact with the detection pin on the detection device, which affects the detection efficiency and stability. question.

The utility model is achieved in this way, a mobile phone display module and sound cavity module testing device, including a support seat for supporting the mobile phone main board equipped with a display module and a sound cavity module, and a power supply for the test device to provide power mechanism and the fixing mechanism for fixing the main board of the mobile phone on the support base, the fixing mechanism and the power supply mechanism are placed on the support base, and the support base is provided with a detection part for contacting with the detection point provided on the main board of the mobile phone. The detection component is electrically connected with the power supply mechanism.

After adopting the above technical scheme, due to the setting of the mobile phone fixing mechanism, the mobile phone fixing mechanism can conveniently and quickly fix the main board of the mobile phone on the detection device, so that the detection points on the main board of the mobile phone are in good contact with the detection pins on the detection device, thereby avoiding Solve the problem in the prior art that the main board of the mobile phone is easy to move on the detection device, resulting in poor contact with the detection pin, thus affecting the efficiency of detection and the stability of detection results.

Description of drawings

Fig. 1 is a state diagram of a mobile phone display module and sound cavity module testing device provided by an embodiment of the present invention when testing the main board of the mobile phone.

Fig. 2 is a front view of a mobile phone display module and sound cavity module testing device provided by an embodiment of the present invention.

Fig. 3 is a left view of a mobile phone display module and sound chamber module testing device provided by the embodiment of the present invention.

Fig. 4 is a rear view of a mobile phone display module and sound cavity module testing device provided by an embodiment of the present invention.

Fig. 5 is a perspective view of a mobile phone display module and sound chamber module testing device provided by an embodiment of the present invention when powered by a battery.

Fig. 6 is a perspective view of a mobile phone display module and sound cavity module testing device provided by an embodiment of the present invention when two power supply schemes, battery power supply and external power supply power supply, are used.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to Fig. 1 to Fig. 6, a kind of mobile phone display module and sound chamber module test device 10 of the present invention, comprises support base, power supply mechanism and fixing mechanism, described mobile phone display module and sound chamber module are placed in mobile phone On the main board 4, the fixing mechanism and the power supply mechanism are placed on a support base, and the support base is provided with a detection component for contacting a detection point on the mobile phone main board 4, and the detection component is electrically connected with the power supply mechanism. Because the fixing mechanism is provided, the fixing mechanism can conveniently and quickly fix the main board 4 of the mobile phone on the detection device, so that the detection points on the main board 4 of the mobile phone can be in good contact with the detection pins on the detection device, thus avoiding the existing In the technology, the main board 4 of the mobile phone is easy to move on the detection device, resulting in poor contact with the detection needle, thereby affecting the detection efficiency and the stability of the detection results. The utility model is described in detail below:

Please refer to Fig. 1, Fig. 2 and Fig. 4, in the present embodiment, described support seat is made up of left support plate 11, right support plate 12, bottom plate 16, rear plate 15, front plate 14 and workbench 13, described The left support plate 11, the right support plate 12, the bottom plate 16, the back plate 15, the front plate 14 and the workbench 13 are screwed together to form a support frame supporting other parts of the detection device.

Referring to Fig. 1, Fig. 2 and Fig. 3, the fixing mechanism includes four adjustment blocks 20 and positioning blocks 29, and the four adjustment blocks 20 are placed in the adjustment block grooves 24, 25 provided on the workbench 13, Wherein, two adjustment blocks 20 are placed in the adjustment block groove 24 , and two adjustment blocks 20 are placed in the adjustment block groove 25 . The width of described adjusting block groove 24,25 is adapted to adjusting block 20, and the length is adapted to the length of mobile phone main board 4, and described four adjusting block 20 is provided with slide block 21 and can be used screw with slide block 21. Disassembled and connected, the adjustment block 20 can adjust its position in the X direction through the adjustment block hole 201 it is provided with, and adjust its position in the Y direction by moving the slider 21 in the adjustment block grooves 24 and 25 . Both sides of the workbench 13 are provided with several screws 26 for fixing the adjustment block 20, and the screws 26 pass through the screw holes (not shown) provided on both sides of the workbench 13 and the adjustment block 20 Threaded connection, the rotating screw 26 can fix the releasable adjustment block 20 . Described positioning block 29 cooperates four adjustment blocks 20 to fix mobile phone main board 4, and it is detachably connected on the workbench 13 with screw, and this positioning block 29 is provided with detection parts, and described detection parts and mobile phone main board 4 go up detection point. corresponding to the position.

Please refer to Fig. 1, Fig. 2 and Fig. 3, described adjusting block 20 comprises the pressing part that is used to make mobile phone motherboard 4 be fixed on the workbench 13, and described pressing part comprises spring (not shown in the figure), A compression rod 22, a part of the compression rod 22 is placed in the adjustment block 20, and a part is placed outside the adjustment block 20, and the compression rod end 28 of the compression rod 22 placed outside the adjustment block 20 is conical ; The spring is placed in the adjustment block 20 and connected with the pressing rod 22 . The beneficial effect of the conical shape of the compression rod end 28 is: when the mobile phone main board 4 presses the compression rod end 28, the compression rod end 28 will automatically shrink inward, and at the same time compress the spring connected to the compression rod 22 , when the mobile phone main board 4 passed the compression rod end 28 and was in contact with the positioning block 29, the spring pushed the compression rod to reset and pressed the mobile phone main board 4; Rod end 28 also can shrink inward automatically, compresses the spring that is connected with hold down bar 22 simultaneously, when mobile phone motherboard passes hold down bar 22, spring can promote hold down bar 22 reset.

The fixing mechanism can fix the mainboard of the mobile phone conveniently and quickly, and make the detection points on the mainboard 4 of the mobile phone be in good contact with the detection components on the positioning block 29, thereby improving the efficiency of detection and the stability of detection results.

Referring to Fig. 5 and Fig. 6, the power supply mechanism is a battery 30 or an external power supply (not shown in the figure), and the battery 30 is placed in a battery slot (not shown in the figure) provided on the bottom plate 16, Described battery 30 is connected with the detection component that is provided with on the setting and positioning block 29 through wire and 31; It is connected with the detection component on the workbench 13 through the wire 31 . In this embodiment, the detection component is a detection pin 23, the position of the detection pin 23 is corresponding to the position of the detection point (not shown in the figure) on the mobile phone motherboard 4, and one end of the detection pin 23 is located on the positioning block 29 , one end is located on the positioning block 29.

In this embodiment, the utility model can be powered by both the battery 30 and an external power supply, which is very convenient. It should be pointed out that the utility model generally uses an external power supply, because if the battery 30 is used for power supply, the power stored in the battery 30 is limited. When the power in the battery 30 is used up, it must be disassembled Charging affects work efficiency; in contrast, using an external power supply does not have the above-mentioned problems, and the voltage of the external power supply is more stable, so the detection result is stable and reliable; of course, when there is no external power supply, the battery 30 can be used for power supply .

Please refer to Fig. 1, in the present embodiment, described workbench 13 forms 45 degree angles with horizontal plane, and this angle of view is the best angle that the staff operates detection device, can reduce the staff's visual fatigue when testing, simultaneously this The angle can also facilitate the detection operation of the staff, which improves the detection efficiency.

If the model of the mainboard of the mobile phone being detected changes, only need to dismantle and replace the positioning block 29, the battery 30 and the base plate 16, so that the positioning block 29 and the battery 30 correspond to the mobile phone main board model after the change, so that the battery slot that is provided with on the base plate 16 Compatible with the replaced battery, it is not necessary to replace the entire detection device.

Please refer to Fig. 1, Fig. 2, Fig. 3, described workbench 13 is also provided with four fixed pins 27, and described fixed pins 27 are provided with corresponding to the fixed hole (not shown in the figure) that is provided with on the mobile phone motherboard 4 . Setting the fixed pin 27 can make the mobile phone main board 4 be fixed on the workbench 13 faster and make the detection point on the workbench 13 contact with the detection needle 23 on the workbench 13, so as not to move on the workbench, prolong the detection time and Affect the detection effect.

The working process of the present utility model is:

1. Adjust the position of the adjustment block 20 so that it corresponds to the shape of the main board 4 of the mobile phone; connect the external power supply and the detection pin 23 with a wire 31; align the fixing hole on the main board 4 of the mobile phone with the position of the fixing pin 27, and press down Mobile phone main board 4, mobile phone main board 4 is pressed to hold down bar end 28, and hold down bar end 28 moves inwardly, compresses the spring that is connected with it simultaneously; The spring will push the compression rod 22 outwards to compress the main board 4 of the mobile phone, so that it is firmly placed on the workbench 13 and is in good contact with the detection pin 23;

2. Press the power button on the mainboard 4 of the mobile phone to detect the LCD module and the sound cavity module on the mainboard 4 of the mobile phone;

3. After the inspection is completed, pick up the main board 4 of the mobile phone along the vertical direction of the workbench 13, push the end 28 of the compression rod on the main board 4 of the mobile phone, and the end 28 of the compression rod moves inward, and at the same time compresses the spring connected to it; After taking out the main board 4 of the mobile phone along the fixing pin 27, the spring will push the pressing rod 22 to reset.

Repeat steps 1-3 to repeat the detection operation.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A mobile phone display module and sound cavity module testing device, characterized in that: it includes a support seat for supporting the mobile phone main board equipped with a display module and a sound cavity module, a power supply mechanism for providing power for the test device, and The fixing mechanism that fixes the main board of the mobile phone on the supporting base, the fixing mechanism and the power supply mechanism are placed on the supporting base, and the supporting base is provided with a detection part for contacting with a detection point provided on the main board of the mobile phone, and the detection part Electrically connected with the power supply mechanism. 2. A mobile phone display module and sound cavity module testing device according to claim 1, characterized in that: the support base includes a left support plate, a right support plate, a bottom plate, a rear plate, a front plate and a working table , the combination of the left support plate, the right support plate, the base plate, the rear plate, the front plate and the workbench constitutes a support frame. 3. A mobile phone display module and sound cavity module testing device according to claim 1 or 2, characterized in that: the fixing mechanism includes more than two adjustment blocks that can move on the support base, and the The adjustment block is placed in the adjustment block grooves provided on both sides of the support base, and the adjustment block is provided with a pressing part for fixing the main board of the mobile phone on the workbench. 4. A mobile phone display module and sound chamber module testing device as claimed in claim 3, characterized in that: a positioning block is also provided for cooperating with the adjustment block to fix the main board of the mobile phone, and the detection parts are placed on the positioning block , the positioning block is detachably connected to the workbench. 5. A mobile phone display module and sound cavity module testing device according to claim 3, characterized in that: the pressing part includes an elastic part arranged in the adjustment block and a pressing rod connected with the elastic part , a part of the pressing rod is placed inside the adjustment block, and a part is placed outside the adjustment block. 6. A mobile phone display module and sound cavity module testing device according to claim 5, characterized in that: the front end of the pressing rod placed outside the adjustment block is conical. 7. A mobile phone display module and sound cavity module testing device according to claim 2, characterized in that: the power supply mechanism is a battery, the detection part is a detection needle, and the battery is placed on the bottom plate. The battery is electrically connected with the detection pin. 8. A mobile phone display module and sound cavity module testing device according to claim 2, characterized in that: the power supply mechanism is an external power supply, the detection part is a detection needle, and the external power supply and the detection needle electrical connection. 9. A mobile phone display module and sound cavity module testing device as claimed in claim 2, characterized in that: said workbench is at an angle of 45 degrees to the horizontal plane. 10. A mobile phone display module and sound chamber module testing device as claimed in claim 2, characterized in that: there is also a fixed pin, the fixed pin is placed on the workbench, and the position of the fixed pin is the same as that of the mobile phone. The positions of the fixing holes provided on the main board correspond to each other.

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