CN217305408U

CN217305408U - Low-resistance testing device for circuit board

Info

Publication number: CN217305408U
Application number: CN202123202187.8U
Authority: CN
Inventors: 王广师; 祝小华; 郭先锋; 杨亚兵; 张璞
Original assignee: Shenzhen Q&d Circuits Co ltd
Current assignee: Shenzhen Q&d Circuits Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-08-26
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a circuit board low resistance testing device, which comprises a top plate, wherein a first side plate and a second side plate are respectively arranged on two sides of the lower surface of the top plate, the bottom ends of the first side plate and the second side plate are arranged on the upper surface of a base, a universal telescopic pipe is arranged at the central position of the lower surface of the top plate, a second mounting plate is arranged at the other end of the universal telescopic pipe, an amplifying camera is arranged at the central position of the lower surface of the second mounting plate, an LED lamp is arranged on the outer side of the amplifying camera, and the LED lamp is arranged on the lower surface of the second mounting plate; the utility model solves the problems that the existing circuit board low resistance testing device can not effectively check the line width of the circuit, whether the circuit is incomplete or not and whether local connection exists or not; the utility model discloses can effectually examine out the line width of circuit, whether incomplete, the problem whether has local line of circuit, the misjudgement rate reduces, has improved work efficiency, and the practicality is strong.

Description

Low resistance testing device for circuit board

Technical Field

The utility model relates to a circuit board check out test set technical field specifically is a circuit board low resistance testing arrangement.

Background

The circuit Board PCB is an english (Printed circuit Board) Printed PCB, and the short name of the circuit Board is. The conductive patterns formed on the insulating material, in a predetermined design, as printed circuits, printed components or a combination of both, are generally referred to as printed circuits; and a conductive pattern, called a printed circuit, on the insulating substrate to provide electrical connection between the components; thus, the finished board of the printed circuit or the printed circuit is called a printed circuit board, also called a printed board or a printed circuit board; circuit boards can be classified into the following categories according to function: single-sided circuit board, two-sided circuit board, multilayer circuit board, aluminium base circuit board, impedance circuit board, FPC flexible circuit board etc. the raw materials of circuit board divide into: the glass fiber, CEM-1, CEM3, FR4 and the like, which can be seen in daily life, for example, the core of the fireproof cloth and the fireproof felt is the glass fiber, the glass fiber is easily combined with resin, the glass fiber cloth with compact structure and high strength is immersed in the resin and hardened to obtain the PCB substrate which is insulated and not easy to bend, if the PCB is broken, the edge is whitish and layered, and the material is proved to be resin glass fiber.

Control circuit board for motor, wherein the design of one side has two coils, and the crisscross structure of similar great wall form of coil inner line design, two coils in fact with belong to a intercommunication return circuit, and the normal operating that can direct influence the motor is influenced to the on-resistance value in this intercommunication return circuit, and the major factor of relative influence includes: the line width of the corresponding line, whether the line is incomplete or not, whether local connection exists or not and the like; at present, workers generally check through a magnifying glass when checking, so that misjudgment is easy to occur and the efficiency is low; therefore, the existing use requirements are not satisfied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit board low resistance testing arrangement to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a low resistance testing device for a circuit board comprises a top plate, wherein a first side plate and a second side plate are respectively installed on two sides of the lower surface of the top plate, the bottoms of the first side plate and the second side plate are installed on the upper surface of a base, a universal telescopic pipe is installed at the central position of the lower surface of the top plate, a second mounting plate is installed at the other end of the universal telescopic pipe, an amplifying camera is installed at the central position of the lower surface of the second mounting plate, an LED lamp is arranged on the outer side of the amplifying camera, the LED lamp is installed on the lower surface of the second mounting plate, slide rails are installed on two sides of the lower surface of the top plate, slide blocks are installed on the slide rails, the slide blocks are in sliding connection with the slide rails, the slide blocks are installed on the upper surface of the first mounting plate, an electric push rod is installed on the lower surface of the first mounting plate, and a pressing plate is installed on the telescopic end of the electric push rod, the upper surface central point of base puts and installs and examines test table, install the control box on one side outer wall of second curb plate, the inside of control box is provided with analog-to-digital conversion module and controller, and analog-to-digital conversion module is located the top of controller, install the display screen on one side outer wall of first curb plate.

Preferably, the number of the LED lamps is eight, and the eight LED lamps are distributed on the second mounting plate in an annular array.

Preferably, a rubber plate is mounted on the lower surface of the pressure plate.

Preferably, a controller panel is arranged on the front end face of the control box, and a control button is arranged on the front end face of the controller panel.

Preferably, the output end of the amplifying camera is electrically connected with the input end of the analog-to-digital conversion module, and the output end of the analog-to-digital conversion module is electrically connected with the input end of the controller.

Preferably, the output end of the controller is electrically connected with the display screen, the LED lamp and the input end of the electric push rod respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a cooperation setting of a series of structures such as enlarged camera, display screen, universal flexible pipe, when the staff inspects the circuit board, the staff holds universal flexible pipe and operates universal flexible pipe and makes the position that enlarged camera was located change and detect the surface of circuit board, and enlarged camera makes a video recording and sends the picture to the display screen with the circuit board surface is enlarged, and the staff can observe the line width of circuit, whether incomplete, the problem of whether having local wiring of circuit through the display screen, thereby the utility model discloses can effectually find out the line width of circuit, whether incomplete, the problem of whether having local wiring of circuit, the misjudgement rate reduces, has improved work efficiency, and the practicality is strong;

(2) the utility model, through the arrangement of the LED lamp, the LED lamp can provide illumination when the light is poor, so that the camera can be conveniently amplified to carry out clear shooting;

(3) the utility model discloses a cooperation setting of a series of structures such as slider, slide rail, electric putter, clamp plate, rubber slab, when the staff inspects the circuit board, the position that the staff placed on examining test table according to the circuit board is adjusted the position that the clamp plate was located to make the clamp plate fix the circuit board through electric putter, thereby the utility model discloses can fix the circuit board of equidimension not, made things convenient for the user to use.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a bottom view of the second mounting plate of the present invention;

fig. 3 is a sectional view of the control box of the present invention.

In the figure: 1. a slide rail; 2. a top plate; 3. a slider; 4. a first mounting plate; 5. a universal telescopic pipe; 6. an electric push rod; 7. a first side plate; 8. a display screen; 9. a control box; 10. a control button; 11. a controller panel; 12. a second side plate; 13. a base; 14. pressing a plate; 15. a detection table; 16. a rubber plate; 17. a second mounting plate; 18. amplifying the camera; 19. an LED lamp; 20. an analog-to-digital conversion module; 21. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end" and the like indicate directions or positional relationships based on the drawings; the positional or positional relationships of (a) are merely for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention-furthermore, the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a low resistance testing device of a circuit board comprises a top plate 2, a first side plate 7 and a second side plate 12 are respectively installed on two sides of the lower surface of the top plate 2, the bottom ends of the first side plate 7 and the second side plate 12 are installed on the upper surface of a base 13, a universal extension tube 5 is installed at the central position of the lower surface of the top plate 2, a second installation plate 17 is installed at the other end of the universal extension tube 5, an amplifying camera 18 is installed at the central position of the lower surface of the second installation plate 17, an LED lamp 19 is arranged on the outer side of the amplifying camera 18, the LED lamp 19 is installed on the lower surface of the second installation plate 17, slide rails 1 are installed on two sides of the lower surface of the top plate 2, a slide block 3 is installed on each slide rail 1, the slide block 3 is in sliding connection with the slide rail 1, the slide block 3 is installed on the upper surface of a first installation plate 4, an electric push rod 6 is installed on the lower surface of the first installation plate 4, and a press plate 14 is installed on the extension end of the electric push rod 6, the central position of the upper surface of the base 13 is provided with a detection platform 15, the outer wall of one side of the second side plate 12 is provided with a control box 9, the control box 9 is internally provided with an analog-digital conversion module 20 and a controller 21, the analog-digital conversion module 20 is positioned above the controller 21, the display screen 8 is arranged on the outer wall of one side of the first side plate 7, the number of the LED lamps 19 is eight, the eight LED lamps 19 are distributed on the second mounting plate 17 in an annular array, the rubber plate 16 is mounted on the lower surface of the pressing plate 14, the controller panel 11 is arranged on the front end face of the control box 9, the control button 10 is arranged on the front end face of the controller panel 11, the output end of the amplifying camera 18 is electrically connected with the input end of the analog-to-digital conversion module 20, the output end of the analog-to-digital conversion module 20 is electrically connected with the input end of the controller 21, and the output end of the controller 21 is electrically connected with the display screen 8, the LED lamps 19 and the input end of the electric push rod 6 respectively.

The working principle is as follows: when the circuit board detection device is used, an external power supply is switched on, when a worker inspects the circuit board, the worker adjusts the position of the pressing plate 14 according to the position of the circuit board placed on the detection table 15, and the pressing plate 14 fixes the circuit board through the electric push rod 6, so that the circuit board detection device can fix circuit boards with different sizes, is convenient for a user to use, holds the universal telescopic pipe 5 by the worker and operates the universal telescopic pipe 5 to change the position of the amplifying camera 18 to detect the surface of the circuit board, amplifies and shoots the surface of the circuit board by the amplifying camera 18 and indirectly sends pictures to the display screen 8, and the worker can observe the line width of the circuit through the display screen 8, whether the circuit is incomplete or not and whether the problem of local connection exists or not, thereby the utility model discloses the line width, the position of the circuit board can be effectively detected, Whether incomplete, the problem whether have local line of circuit, the misjudgement rate reduces, has improved work efficiency, and through LED lamp 19's setting, LED lamp 19 can provide the illumination when light is relatively poor, is convenient for enlarge camera 18 and carries out clear making a video recording, and the practicality is strong.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a circuit board low resistance testing arrangement, includes roof (2), its characterized in that: the lower surface of the roof (2) is provided with a first side plate (7) and a second side plate (12) respectively, the bottom ends of the first side plate (7) and the second side plate (12) are arranged on the upper surface of the base (13), the lower surface center position of the roof (2) is provided with a universal telescopic pipe (5), the other end of the universal telescopic pipe (5) is provided with a second mounting plate (17), the lower surface center position of the second mounting plate (17) is provided with an amplifying camera (18), the outer side of the amplifying camera (18) is provided with an LED lamp (19), the LED lamp (19) is arranged on the lower surface of the second mounting plate (17), the two sides of the lower surface of the roof (2) are provided with slide rails (1), the slide blocks (3) are arranged on the slide rails (1), the slide blocks (3) are connected with the slide rails (1) in a sliding manner, and the slide blocks (3) are arranged on the upper surface of the first mounting plate (4), the lower surface mounting of first mounting panel (4) has electric putter (6), install clamp plate (14) on the flexible end of electric putter (6), the upper surface central point of base (13) puts and installs and detects platform (15), install control box (9) on one side outer wall of second curb plate (12), the inside of control box (9) is provided with analog-to-digital conversion module (20) and controller (21), and analog-to-digital conversion module (20) are located the top of controller (21), install display screen (8) on one side outer wall of first curb plate (7).

2. The circuit board low resistance testing device of claim 1, wherein: the number of the LED lamps (19) is eight, and the eight LED lamps (19) are distributed on the second mounting plate (17) in an annular array.

3. The circuit board low resistance testing device of claim 1, wherein: and a rubber plate (16) is arranged on the lower surface of the pressure plate (14).

4. The low resistance testing device of the circuit board according to claim 1, characterized in that: the front end face of the control box (9) is provided with a controller panel (11), and the front end face of the controller panel (11) is provided with a control button (10).

5. The low resistance testing device of the circuit board according to claim 1, characterized in that: the output end of the amplifying camera (18) is electrically connected with the input end of the analog-to-digital conversion module (20), and the output end of the analog-to-digital conversion module (20) is electrically connected with the input end of the controller (21).

6. The circuit board low resistance testing device of claim 1, wherein: the output end of the controller (21) is respectively and electrically connected with the input ends of the display screen (8), the LED lamp (19) and the electric push rod (6).