CN110954850A

CN110954850A - Micro-needle testing equipment framework

Info

Publication number: CN110954850A
Application number: CN201911402555.8A
Authority: CN
Inventors: 魏小东; 陶连成; 唐红兵; 闫朝旭
Original assignee: Suzhou Qihang Electronics Co ltd
Current assignee: Suzhou Qihang Electronics Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-03

Abstract

The invention discloses a micro-needle testing equipment framework which comprises a positioning seat, a first probe and a second probe driving module, wherein the positioning seat can be used for positioning a camera module, and the first probe and the second probe driving module are positioned beside the positioning seat; the adsorption module is overturned towards the direction of the positioning seat, and a flexible flat cable on the adsorption module can be in contact with a conductor of a circuit module of the camera module. After the flexible flat cable on the adsorption module is contacted with the electric conductor of the circuit module of the camera module, the first probe is contacted with the contact on the flexible flat cable, the second probe is contacted with the electric conductor on the circuit module of the camera module, and the internal resistance between the contact on the flexible flat cable and the electric conductor and whether the contact and the contact are short-circuited are tested. The invention relates to a mechanical framework of equipment, which provides a hardware condition for the pre-detection of the electrical connection relation between a flexible flat cable of a camera module and a circuit module so as to ensure the smooth pre-detection.

Description

Micro-needle testing equipment framework

Technical Field

The invention relates to the technical field of electronics, in particular to a testing device for a flexible flat cable in an electronic product.

Background

The camera module of electronic product is equipped with circuit module in it, and circuit module is equipped with the cylindricality electric conductor, and the circuit module is run through from top to bottom to the cylindricality electric conductor, can lead the top with the electric current of circuit module below.

In the assembly process of the camera module, a flexible flat cable is required to be assembled above the circuit module, and the flexible flat cable is in contact with the conductor and guides current from the conductor to other components on the circuit module. The flexible flat cable is provided with a plurality of contacts, and components on the circuit module are connected or contacted with the contacts on the flexible flat cable to obtain electricity.

The flexible flat cable is generally mounted on the circuit module by an adhesive member, or is pressed against the circuit module by a sheet member fixed to the circuit module. Once the flexible flat cable is installed, the flexible flat cable is difficult to disassemble and can damage the camera module. Therefore, before the flexible flat cable is installed on the circuit module, the electrical connection relation between the flexible flat cable and the circuit module needs to be detected, and after the requirement is met, the flexible flat cable is installed on the circuit module of the camera module.

Disclosure of Invention

The technical problems solved by the invention are as follows: before the flexible flat cable is installed on the camera module, the mechanical equipment is used for assisting in completing the pre-detection of the electrical connection relation between the flexible flat cable and the camera module.

In order to solve the technical problems, the invention provides the following technical scheme: a micro-needle testing equipment framework comprises a positioning seat capable of positioning a camera module, a first probe driving module and a second probe driving module, wherein the first probe driving module and the second probe driving module are positioned beside the positioning seat; the adsorption module is overturned towards the direction of the positioning seat, and a flexible flat cable on the adsorption module can be in contact with a conductor of a circuit module of the camera module.

According to the technical scheme, the camera module is firstly positioned on the carrier, and then the carrier is positioned on the positioning seat. The flexible flat cable is firstly adsorbed on the adsorption module, then the adsorption module is overturned towards the direction of the positioning seat, and the flexible flat cable on the adsorption module is contacted with the electric conductor of the circuit module of the camera module. And then, the first probe driving module drives the first probe to be in contact with a contact on the flexible flat cable, and the second probe driving module drives the second probe to be in contact with a conductor on a circuit module of the camera module. And then testing the internal resistance between the contact on the flexible flat cable and the electric conductor and whether the contact on the flexible flat cable and the contact are short-circuited.

The invention relates to a mechanical framework of microneedle test equipment, which provides a hardware condition for pre-detecting the electrical connection relation between a flexible flat cable of a camera module and a circuit module, so as to ensure the smooth pre-detection and improve the pre-detection effect.

Drawings

The invention is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a microneedle test apparatus architecture;

FIG. 2 is a schematic view of the housing 63 and the electrical control cabinet 62 of FIG. 1 shown hidden;

fig. 3 is a schematic view of the first probe driving module 20;

FIG. 4 is a schematic view of a yard scanning gun carriage 70;

fig. 5 is a schematic view of the positioning base 10;

FIG. 6 is an exploded view of FIG. 5;

FIG. 7 is a schematic view of the adsorption module 30;

FIG. 8 is a schematic view of the pressing module 40;

fig. 9 is a schematic view of the longitudinal sliding module 52.

The symbols in the drawings illustrate that:

10. positioning seats; 11. a positioning structure; 12. a conductive module; 121. a spring; 122. an insulating base; 123. a positive electrode ring; 124. a negative pole ring; 125. positive electrode foam; 126. soaking the negative electrode with cotton;

20. a first probe driving module; 21. a first probe; 22. a third cylinder;

30. an adsorption module; 31. a hinged seat; 32. turning over the rod piece; 33. an adsorption head; 330. profiling grooves; 331. a suction hole;

40. a pressing module; 41. a pressure head; 42. a first cylinder;

50. a longitudinal sliding module; 51. a longitudinal guide rail; 52. a longitudinal sliding module;

60. a frame plate; 61. a strip-shaped groove; 62. an electrical control cabinet; 63. a housing; 630. a working port;

70. a code scanning gun support; 71. sweep a yard rifle.

Detailed Description

As shown in fig. 2, a micro-needle testing device framework comprises a positioning seat 10 capable of positioning a camera module, a first probe driving module 20 and a second probe driving module, wherein the first probe driving module and the second probe driving module are positioned beside the positioning seat, a turnover type adsorption module 30 is arranged beside the positioning seat, and the adsorption module can adsorb a flexible flat cable; the adsorption module is overturned towards the direction of the positioning seat, and a flexible flat cable on the adsorption module can be in contact with a conductor of a circuit module of the camera module.

In actual operation, the operator positions the camera module on the carrier first, and then positions the carrier on the positioning seat 10. The operator places the flexible flat cable on adsorbing the module 20, and the flexible flat cable is adsorbed on adsorbing the module, and later, the operator is to positioning seat 10 orientation upset absorption module 20 again, adsorbs the flexible flat cable on the module and contacts with the electric conductor of the circuit module of camera module. Then, the operator drives the first probe driving module 20, and the first probe driving module drives the first probe 21 to contact with the contact point on the flexible flat cable. The operator drives the second probe driving module, and the second probe driving module drives the second probe to be in contact with the conductor on the circuit module of the camera module. The number of the first probes 21 is three, and the three probes synchronously displace and contact with three contacts on the flexible flat cable in a one-to-one manner; the number of the second probes is two, one probe is in contact with a positive electrode conductor in the conductors, the other probe is in contact with a negative electrode conductor in the conductors, the positive electrode conductor is connected with the positive electrode of the power supply, and the negative electrode conductor is in contact with the negative electrode of the power supply or is grounded.

And then testing the internal resistance between the contact on the flexible flat cable and the electric conductor and whether the contact on the flexible flat cable and the contact are short-circuited. Specifically, three contacts on the flexible flat cable are respectively a first contact, a second contact and a third contact, firstly, the internal resistance between the positive electrode conductor and the first contact is measured by the detection device, then the internal resistance between the second contact and the negative electrode conductor is measured by the PLC program switching, and after the internal resistance test is finished, the short circuit test is carried out; and testing the short circuit condition between the first contact and the second contact, and switching and testing the short circuit condition between the second contact and the third contact through a PLC program. According to the test result, whether the flexible flat cable reaches the standard after being assembled with the circuit module in the future can be predicted.

The above-described detection device and detection method do not fall within the scope of the present invention, and the present invention is intended to protect the framework of the microneedle test device.

As shown in fig. 7, the absorption module 30 includes a hinge seat 31 disposed beside the positioning seat 10, a turning rod 32 hinged on the hinge seat, and an absorption head 33 disposed at an end of the turning rod, wherein the absorption head is provided with a contour groove 330, and a suction hole 331 is disposed at a bottom of the contour groove; the profiling groove can position at least a part of the flexible flat cable, namely at least a part of the flexible flat cable can be adsorbed by the adsorption head 33. The turning rod piece 32 is provided with a handle, an operator holds the handle and manually turns the turning rod piece 32, the turning angle is 180 degrees, so that the flexible flat cable is positioned on a circuit module of the camera module and is in contact with the positive conductor and the negative conductor, and preparation is made for next detection of internal resistance and short circuit.

With reference to fig. 6 and 7, a positioning seat 10 is provided with a positioning structure 11 and a conductive module 12, the positioning seat is provided with a mounting hole, and the conductive module is fitted in the mounting hole; the conductive module comprises a spring 121 pressed against the bottom of the mounting hole, an insulating base 122 pressed against the spring, a conductive ring mounted on the insulating base, and conductive foam arranged on the conductive ring, wherein the conductive foam protrudes upwards out of the positioning seat; the camera module is loaded on the carrier, and when the carrier is positioned in the positioning structure, the conductive foam is in contact with the cylindrical conductor at the bottom of the circuit module of the camera module.

The conducting ring comprises a positive ring 123 and a negative ring 124, the positive ring is connected with the positive electrode of the power supply, the negative ring is connected with the negative electrode of the power supply, and the positive ring and the negative ring are both in a half ring shape. The conductive foam comprises positive foam 125 vertically overlapped with the positive ring and negative foam 126 vertically overlapped with the negative ring. The carrier is positioned in the positioning structure, the positive electrode foam is abutted against the positive electrode conductor of the circuit module, and the negative electrode foam is abutted against the negative electrode conductor.

As an improvement, with reference to fig. 2 and 8, a pressing module 40 is disposed beside the positioning seat 10, and a pressing head 41 of the pressing module can press against the camera module on the positioning seat. The ram 41 is mounted on a first cylinder 42 of the compression module, which is mounted on a longitudinal slide module 50 described below. After the carrier is positioned on the positioning seat 10, the first cylinder driving ram 41 moves downward obliquely to press against the circuit module of the camera module, so as to position the circuit module and provide conditions for the contact between the electrical conductor and the flexible flat cable thereon.

As shown in fig. 2, the pressing module 40, the positioning seat 10 and the absorption module 30 are mounted on a longitudinal sliding module 50, the longitudinal sliding module is slidably fitted on a longitudinal guide rail 51, the longitudinal guide rail is mounted on a frame plate 60, and a longitudinal sliding module 52 connected with the longitudinal sliding module is arranged on the frame plate; the first probe driving module 20 and the second probe driving module are mounted on the frame plate. Alternatively, the longitudinal sliding module 52 is a second cylinder, the frame plate 60 is provided with a strip-shaped groove 61, the second cylinder is mounted at the bottom of the frame plate and connected with the longitudinal sliding module 50 through a connecting member, and the longitudinal sliding module 50 above the frame plate 60 slides along the strip-shaped groove 61 under the driving of the second cylinder.

As shown in fig. 1, an electrical control cabinet 62 is disposed below the frame plate 60, a housing 63 is disposed above the frame plate, and the positioning seat 10, the first probe driving module 20, the second probe driving module, the pressing module 40, the adsorption module 30, and a code scanning gun support 70 described below are all disposed in the housing 63. The housing is provided with a working opening 630 facing the operator. The operator is at the work station, completing: the carrier is placed on the positioning seat 10, the flexible flat cable is placed on the adsorption module 30, the pressure head 41 of the pressing module 40 presses on the circuit module, and the adsorption module is turned over. After these actions are completed, the longitudinal sliding module 52 is driven to make the longitudinal sliding module 50 move to the first probe driving module 20 and the second probe driving module along the longitudinal guide rail 51, the first probe contacts with the contact of the flexible flat cable, and the second probe contacts with the conductor on the circuit module. The contact of the first probe and the contact of the flexible flat cable and the contact of the second probe and the electric conductor on the circuit module are completed in the deep part of the shell, so that the interference of dust outside the shell on the detection result can be avoided. In addition, the contact of first probe and soft winding displacement, the station of second probe and the electric conductor contact on the circuit module, with load camera module, the station of soft winding displacement, both set up around the two, can make things convenient for the operator to load camera module, soft winding displacement, provide bigger operating space for the operator, do not receive the interference of first probe drive module 20 and second probe drive module.

As shown in fig. 3, the first probe 21 is mounted on the third cylinder 22 of the first probe driving module 20 through a connecting assembly, and the third cylinder is mounted on the frame plate 60 through a bracket structure. The second probe passes through on coupling assembling installs the fourth cylinder of second probe drive module, and the fourth cylinder passes through bearing structure and installs on frame board 60.

As an improvement, with reference to fig. 2 and 4, a barcode scanning gun support 70 is disposed on the rack plate 60, a barcode scanning gun 71 can be mounted on the barcode scanning gun support, the barcode scanning gun can scan barcodes on the camera modules located below the barcode scanning gun, and the scanning result is transmitted to the main control unit, so that an operator can know which camera module the internal resistance and the short circuit test result is.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.

Claims

1. The utility model provides a micropin test equipment framework, includes positioning seat (10) that can fix a position the camera module, is located first probe drive module (20) and the second probe drive module of positioning seat side, its characterized in that: the side of the positioning seat is provided with a turnover type adsorption module (30) which can adsorb the flexible flat cable; the adsorption module is overturned towards the direction of the positioning seat, and a flexible flat cable on the adsorption module can be in contact with a conductor of a circuit module of the camera module.

2. The equipment architecture of claim 1, wherein: the adsorption module (30) comprises a hinge seat (31) arranged at the side of the positioning seat (10), a turnover rod piece (32) hinged on the hinge seat and an adsorption head (33) arranged at the end part of the turnover rod piece, wherein the adsorption head is provided with a profile groove (330), and the bottom of the profile groove is provided with a suction hole (331); the contour groove is capable of positioning at least a portion of the flex cable.

3. The equipment architecture of claim 1, wherein: a positioning structure (11) and a conductive module (12) are arranged on the positioning seat (10), an installation hole is formed in the positioning seat, and the conductive module is matched in the installation hole; the conductive module comprises a spring (121) pressed against the bottom of the mounting hole, an insulating base (122) pressed against the spring, a conductive ring mounted on the insulating base, and conductive foam arranged on the conductive ring, wherein the conductive foam protrudes upwards out of the positioning seat; the camera module is loaded on the carrier, and when the carrier is positioned in the positioning structure, the conductive foam is in contact with the cylindrical conductor at the bottom of the circuit module of the camera module.

4. The equipment architecture of claim 2, wherein: the side of the positioning seat (10) is provided with a pressing module (40), and a pressing head (41) of the pressing module can be pressed on the camera module on the positioning seat.

5. The equipment architecture of claim 4, wherein: the pressing module (40), the positioning seat (10) and the adsorption module (30) are arranged on the longitudinal sliding module (50), the longitudinal sliding module is in sliding fit with the longitudinal guide rail (51), the longitudinal guide rail is arranged on a frame plate (60), and the frame plate is provided with a longitudinal sliding module (52) connected with the longitudinal sliding module; the first probe driving module (20) and the second probe driving module are mounted on the frame plate.

6. The equipment architecture of claim 5, wherein: a code scanning gun support (70) is arranged on the frame plate (60), and a code scanning gun (71) can be installed on the code scanning gun support.