AF-type module driving detection device

Abstract

The utility model provides an AF-type module driving detection device, and relates to the technical field of detection equipment. The device comprises a shell, thimbles and a lighting prompt unit, the lighting prompt unit is connected with the shell, the two thimbles are arranged in a spaced mode, the two thimbles are connected with the shell and connected with the positive electrode and the negative electrode of the lighting prompt unit through wires respectively, the tip end of the thimble in butt joint with the positive electrode of the lighting prompt unit is in butt joint with the positive electrode of a PCBA bonding pad, and the tip end of the thimble in butt joint with the negative electrode of the PCBA bonding pad is in butt joint with the negative electrode of the PCBA bonding pad. When the PCBA bonding pad is powered on, the two thimbles and the lighting prompt unit form a communication circuit, the lighting prompt unit is lighted up, whether output voltage is normal or not can be known through the brightness effect of the lighting prompt unit, and therefore the output voltage is normal or not. The detection device can realize rapid measurement without a large amount of disassembly work, the structure is simpler, the problem can be rapidly determined, the detection time is greatly shortened, the detection efficiency is higher, and the manpower is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to an AF type module drive detection device. Background Art

[0002] In the current mobile phone and USB AF module products, the AF voice coil motor is usually powered by 2.8V voltage to make it focus. However, during production, a certain proportion of products always have AF focus problems. During the production and maintenance process, it is impossible to quickly confirm whether the problem is caused by the motor body or the driver IC patch of the PCBA.

[0003] The applicant has discovered that there are at least the following technical problems in the prior art: usually when engineers analyze what type of problem it is, they need to remove the voice coil motor or disassemble the plastic bracket to confirm the problem with the patch, and two people are required to use a multimeter to measure voltage and resistance, etc. This type of detection method is inefficient and consumes a lot of time and wastes manpower. Utility Model Content

[0004] The purpose of the utility model is to provide an AF module drive detection device to solve the technical problems that the detection method of AF module drive detection in the prior art is low in efficiency, takes a lot of time, and wastes manpower. The preferred technical solutions among the many technical solutions provided by the utility model can produce many technical effects as described below.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An AF module drive detection device comprises a shell, an ejector pin and a lighting prompt unit, wherein the lighting prompt unit is connected to the shell, two ejector pins are arranged at intervals, both of the two ejector pins are connected to the shell and are respectively connected to the positive pole and the negative pole of the lighting prompt unit through wires, the tip of the ejector pin connected to the positive pole of the lighting prompt unit is connected to the positive pole of a PCBA pad, and the tip of the ejector pin connected to the negative pole of the lighting prompt unit is connected to the negative pole of the PCBA pad.

[0007] Preferably, the distance between the tips of the two ejector pins is 7 mm.

[0008] Preferably, the shell is made of hot melt adhesive after curing.

[0009] Preferably, the lighting prompt unit is a 2.8V LED lamp.

[0010] Preferably, the lighting prompt unit is located at an end of the housing relatively far away from the tip of the ejector pin.

[0011] Preferably, the two ejector pins are arranged in parallel.

[0012] The beneficial effects of the utility model are as follows: when the PCBA pad is powered on, the two ejector pins form a connected circuit with the lighting prompt unit, and the lighting prompt unit lights up. Since the existing AF voice coil motor usually requires a 2.8V power supply, the output voltage of the driver IC must also be a corresponding 2.8V. Through the brightness effect of the lighting prompt unit, it can be known whether the output voltage is normal;

[0013] When the product needs to be analyzed, just connect the two top pins of the detection device to the positive and negative electrodes of the PCBA pads, power on the module through the external test box, light up the module, and then power on the driver IC to work;

[0014] At this time, if the lighting prompt unit on the detection device can light up normally and reach the corresponding brightness, it can be shown that the output voltage of the driver IC is normal. At this time, it can be determined that the problem is caused by the defect of the motor body.

[0015] If the lighting prompt unit on the detection device lights up slightly and cannot reach the corresponding brightness, it can indicate that the output voltage is abnormal. At this time, it can be determined that the problem is caused by a defective chip of the driver IC, and then the specific problem of the driver IC can be further analyzed.

[0016] The AF module drive detection device can achieve rapid measurement without a lot of disassembly work. It has a simpler structure and can quickly determine the problem, which greatly shortens the detection time, improves the detection efficiency, and saves manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a structural diagram of the utility model when docking with the PCBA pad;

[0020] In the figure, 1, housing;

[0021] 2. Ejector pin;

[0022] 3. Lighting prompt unit;

[0023] 4. PCBA pads. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0025] In the description of the present invention, it should be understood that the terms "center", "lateral", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "side" and the like indicate positions or location relationships based on the attached Figure 1 The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0027] Reference Figure 1 to Figure 2 The utility model provides an AF module drive detection device, including a shell 1, a ejector pin 2 and a lighting prompt unit 3, wherein the lighting prompt unit 3 is connected to the shell 1, two ejector pins 2 are arranged at an interval, the two ejector pins 2 are connected to the shell 1 and are respectively connected to the positive electrode and the negative electrode of the lighting prompt unit 3 through wires, the tip of the ejector pin 2 connected to the positive electrode of the lighting prompt unit 3 is connected to the positive electrode of the PCBA pad 4, and the tip of the ejector pin 2 connected to the negative electrode of the lighting prompt unit 3 is connected to the negative electrode of the PCBA pad 4.

[0028] When the PCBA pad 4 is powered on, the two ejector pins 2 form a connected circuit with the lighting prompt unit 3, and the lighting prompt unit 3 lights up. Since the existing AF voice coil motor usually requires a 2.8V power supply, the output voltage of the driver IC must also be a corresponding 2.8V. The brightness effect of the lighting prompt unit 3 can be used to determine whether the output voltage is normal;

[0029] When the product needs to be analyzed, it is only necessary to connect the two ejector pins 2 of the detection device to the positive and negative electrodes of the PCBA pads 4, power on the module through the external test box, light up the module, and then power on the driver IC to work;

[0030] At this time, if the lighting prompt unit 3 on the detection device can light up normally and reach the corresponding brightness, it can be shown that the output voltage of the driver IC is normal. At this time, it can be determined that the problem is caused by the defect of the motor body;

[0031] If the lighting prompt unit 3 on the detection device lights up slightly and cannot reach the corresponding brightness, it can indicate that the output voltage is abnormal. At this time, it can be determined that the problem is caused by a defective chip of the driver IC, and then the specific problem of the driver IC can be further analyzed.

[0032] The AF module drive detection device mentioned in this embodiment can achieve rapid measurement without a lot of disassembly work, has a simpler structure, can quickly determine the problem, greatly shortens the detection time, has higher detection efficiency, and saves manpower.

[0033] As an optional implementation, since the industry specification for the spacing between the PIN angle of the voice coil motor and the PCBA pad 4 indicates a normal design spacing of 7 mm, the spacing between the tips of the two ejector pins 2 is also preferably 7 mm, which corresponds to the industry specification and has universal applicability.

[0034] As an optional implementation, the shell 1 is made of hot melt adhesive after curing. During production, the two ejector pins 2 and the lighting prompt unit 3 can be placed at the corresponding positions of the mold first, and then the hot melt adhesive is cured to form the shell 1, so that the shell 1, the ejector pin 2 and the lighting prompt unit 3 are connected to form a whole.

[0035] As an optional implementation, the lighting prompt unit 3 is a 2.8V LED lamp. 2.8V can be consistent with the 2.8V power supply usually required for the existing AF voice coil motor. The LED lamp has good brightness and a good lighting prompt effect. The operator can make a clear judgment by observing the LED light.

[0036] As an optional embodiment, the lighting prompt unit 3 is located at one end of the shell 1 relatively far away from the tip of the ejector pin 2. Since the tip of the ejector pin 2 is toward the module and away from the operator's viewing angle, the lighting prompt unit 3 located away from the end can be easier for the operator to observe.

[0037] As an optional embodiment, two ejector pins 2 are arranged in parallel.

[0038] The above are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An AF module drive detection device, characterized in that: The invention comprises a shell (1), an ejector pin (2) and a lighting prompt unit (3), wherein the lighting prompt unit (3) is connected to the shell (1), two ejector pins (2) are arranged at intervals, both of the two ejector pins (2) are connected to the shell (1) and are respectively connected to the positive electrode and the negative electrode of the lighting prompt unit (3) through wires, the tip of the ejector pin (2) connected to the positive electrode of the lighting prompt unit (3) is connected to the positive electrode of a PCBA pad (4), and the tip of the ejector pin (2) connected to the negative electrode of the lighting prompt unit (3) is connected to the negative electrode of the PCBA pad (4).

2. The AF module drive detection device according to claim 1, characterized in that: The distance between the tips of the two ejector pins (2) is 7 mm.

3. The AF module drive detection device according to claim 1, characterized in that: The shell (1) is made of hot melt adhesive after curing.

4. The AF module drive detection device according to claim 1, characterized in that: The lighting prompt unit (3) is a 2.8V LED lamp.

5. The AF module drive detection device according to claim 1, characterized in that: The lighting prompt unit (3) is located at an end of the housing (1) relatively far away from the tip of the ejector pin (2).

6. The AF module drive detection device according to claim 1, characterized in that: The two ejector pins (2) are arranged in parallel.

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