CN216248236U - Electrical performance test tool for circuit board - Google Patents
Electrical performance test tool for circuit board Download PDFInfo
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- CN216248236U CN216248236U CN202122865259.0U CN202122865259U CN216248236U CN 216248236 U CN216248236 U CN 216248236U CN 202122865259 U CN202122865259 U CN 202122865259U CN 216248236 U CN216248236 U CN 216248236U
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- circuit board
- needle bed
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Abstract
The utility model provides an electrical performance testing tool for a circuit board, which relates to the technical field of circuit board detection tools and aims to solve the problems of low efficiency, time and labor waste and potential safety hazards of the existing testing tool.A technical scheme is adopted, namely, a circuit board to be detected is placed in a stepped hole on a carrier plate, and the carrier plate is driven to move on a base by a lead screw slider, so that the circuit board moves to the position below a probe to detect the circuit board, and the phenomenon that a needle bed drives the probe to extrude a worker to the circuit board when detecting the circuit board is avoided, so that the potential safety hazards are avoided; the rotary block is arranged on the carrier plate, the rotary block is provided with a groove corresponding to the position of the stepped hole, the base is provided with a top block corresponding to the position of the rotary block, the top block can push the rotary block to rotate around the hinged position with the carrier plate, the circuit board is stirred upwards through the groove, the circuit board can be ejected out of the stepped hole, and the circuit board can be conveniently taken and placed by workers.
Description
Technical Field
The utility model relates to the technical field of circuit board detection tools, in particular to an electrical performance testing tool for a circuit board.
Background
The circuit Board PCB is an english (Printed circuit Board) Printed PCB, and is abbreviated as a circuit Board. Conductive patterns formed by making printed circuits, printed components, or a combination of both, on an insulating material in a predetermined design are commonly referred to as printed circuits. And a conductive pattern on the insulating substrate that provides electrical connection between the components is called a printed wiring. The finished board of the printed circuit or printed circuit is then referred to as a printed circuit board, also known as a printed circuit board or printed circuit board.
Chinese patent CN201620171153.7 discloses an electrical performance testing tool for a circuit board of an intelligent electric energy meter, which adopts the technical scheme that a bottom plate is arranged on the upper surface of a base, a testing probe needle bed for placing the circuit board of the electric energy meter is arranged on the bottom plate, probes on the back of the needle bed extend into the bottom plate, the bottom plate is connected with the needle bed through pillars fixed at four corners, the needle bed can move up and down along the pillars, a flat plate with the same size as the needle bed is arranged right above the needle bed, a plurality of fixed columns for tightly supporting the circuit board on the needle bed are fixed on the surface of the flat plate opposite to the needle bed, the flat plate is connected with an operating handle for adjusting the distance between the flat plate and the needle bed through a connecting rod, and infrared testing devices are respectively arranged on two sides of the connecting rod, when the circuit board is tested, a worker needs to manually operate and press the circuit board, which not only wastes labor and affects the working efficiency, there is a certain potential safety hazard, and therefore, a tooling for testing electrical performance of a circuit board is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, the utility model discloses an electrical performance testing tool of a circuit board, which adopts the technical scheme that the electrical performance testing tool comprises a base, wherein a controller, a 485 communication unit and a pulse detection unit are arranged in the base, the controller is connected with the 485 communication unit and the pulse detection unit, a support is arranged on the base, the support is connected with a needle bed through an electric push rod, a probe is arranged on the needle bed and is connected with the controller, a microprocessor is also arranged in the controller, and the microprocessor is connected with the electric push rod; the needle bed is characterized in that a slide way is formed in the base, a plurality of slide blocks are connected in the slide way in a sliding mode, a lead screw is connected in the slide way in a rotating mode, screw holes meshed with the lead screw are formed in the slide blocks, the lead screw is driven by a servo motor, the servo motor is connected with the controller, a support plate is arranged on the slide blocks, stepped holes and a lamp belt are formed in the support plate, the lamp belt is connected with the controller, and the support plate corresponds to the needle bed.
As a preferred technical scheme of the utility model, a through groove is formed in the side surface of the carrier plate, the through groove is communicated with the stepped hole, a rotating block is rotatably connected in the through groove, a torsion spring is pressed at the joint, a groove is formed in the rotating block, the groove corresponds to the stepped hole, a top block is further arranged on the base, and the top block corresponds to the rotating block.
As a preferred technical scheme of the utility model, the top block is provided with an inclined plane, the inclined plane is in sliding connection with the rotating block, the rotating block is arranged on the carrier plate, the rotating block is provided with a groove corresponding to the position of the stepped hole, the base is provided with the top block corresponding to the position of the stepped hole, the top block can push the rotating block to rotate around the hinged position with the carrier plate, the circuit board is shifted upwards through the groove, the circuit board can be ejected from the stepped hole, and the circuit board can be conveniently taken and placed by a worker.
As a preferred technical scheme of the utility model, the stepped hole comprises an upper part, a stepped surface and a lower part, a circuit board to be detected is placed in the stepped hole on the carrier plate, the carrier plate is driven by the lead screw slide block to move on the base, the circuit board is moved to the position below the probe, the circuit board is detected, the phenomenon that a needle bed extrudes a worker when the needle bed drives the probe to detect the circuit board is avoided, and potential safety hazards are avoided.
As a preferable technical scheme of the utility model, the base is also provided with a control screen, and the control screen is connected with the controller.
As a preferred technical scheme of the utility model, the needle bed is further provided with an inner plate, the outer side of the inner plate is connected with an outer plate in a sliding manner, a spring is arranged between the inner plate and the outer plate, the inner plate and the outer plate are arranged on the needle bed, the spring is arranged between the inner plate and the outer plate, when a probe tests a circuit board, the outer plate is firstly contacted with the circuit board, the circuit board is extruded and limited, and the circuit board is prevented from shaking during testing.
In a preferred embodiment of the present invention, the bottom surface of the outer plate protrudes from the probe.
As a preferred technical scheme of the utility model, the bottom surface of the outer plate is also provided with a rubber pad, and the support plate is provided with a lamp strip, so that the green light and the red light of the qualified product and the unqualified product can be conveniently observed by workers.
The utility model has the beneficial effects that: according to the utility model, the circuit board to be detected is placed in the stepped hole on the carrier plate, and the carrier plate is driven to move on the base by the lead screw slide block, so that the circuit board moves to the position below the probe to detect the circuit board, and the phenomenon that a needle bed pushes workers when the probe drives the circuit board to detect the circuit board is avoided, and potential safety hazards are avoided; the rotary block is arranged on the carrier plate, the rotary block is provided with a groove corresponding to the position of the stepped hole, the base is provided with a top block corresponding to the position of the rotary block, the top block can push the rotary block to rotate around the hinged position with the carrier plate, the circuit board is stirred upwards through the groove, the circuit board can be ejected out of the stepped hole, and the circuit board can be conveniently taken and placed by workers.
Furthermore, the inner plate and the outer plate are arranged on the needle bed, the spring is arranged between the inner plate and the outer plate, when the probe tests the circuit board, the outer plate is firstly contacted with the circuit board, the circuit board is extruded and limited, and the circuit board is prevented from shaking during testing; the lamp strip is arranged on the support plate, and the qualified products and the unqualified products are lighted green and red, so that the support plate is convenient for workers to observe.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a carrier structure according to the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a partial structural schematic diagram of the present invention.
In the figure: 1-base, 2-support, 3-electric push rod, 4-needle bed, 5-probe, 6-carrier plate, 7-top block, 8-lead screw, 9-slide block, 10-control screen, 11-slideway, 12-rotating block, 13-inner plate, 14-outer plate, 15-spring, 16-rubber pad, 17-groove and 18-lamp strip.
Detailed Description
The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1 to 4, the utility model discloses an electrical performance testing tool for a circuit board, which adopts the technical scheme that the electrical performance testing tool comprises a base 1, wherein a controller, a 485 communication unit and a pulse detection unit are arranged in the base 1, the controller is connected with the 485 communication unit and the pulse detection unit, a support 2 is arranged on the base 1, the support 2 is connected with a needle bed 4 through an electric push rod 3, the fixed end of the electric push rod 3 is connected with the support 2, the telescopic end of the electric push rod 3 is connected with the needle bed 4, a probe 5 is arranged on the needle bed 4, the probe 5 is connected with the controller, a microprocessor is further arranged in the controller, the microprocessor is connected with the electric push rod 3, and the microprocessor can control the electric push rod 3 to work to extend or contract; the utility model discloses a needle bed with the lamp strip, including base 1, slide 11 has been seted up on the base 1, slide 11 has seted up two sets ofly, and the symmetry sets up on the base 1, sliding connection has a plurality of sliders 9 in the slide 11, just it is connected with lead screw 8 still to rotate in the slide 11, set up on the slider 9 with the screw that lead screw 8 meshed mutually, lead screw 8 rotates, can drive slider 9 slides in the slide 11, lead screw 8 is driven by servo motor, servo motor with the controller is connected, be equipped with support plate 6 on the slider 9, shoulder hole and lamp area 18 have been seted up on the support plate 6, lamp area 18 with the controller is connected, support plate 6 with needle bed 4 positions are corresponding.
As a preferred technical solution of the present invention, a through groove is formed in a side surface of the carrier plate 6, the through groove is communicated with the stepped hole, a rotating block 12 is rotatably connected in the through groove, the rotating block 12 is hinged to the carrier plate 6 through a hinge shaft, a torsion spring is press-fitted at the hinge position, a groove 17 is formed in the rotating block 12, the groove is formed in a side surface of the rotating block 12 facing the stepped hole, the groove 17 corresponds to the stepped hole, a top block 7 is further provided on the base 1, and the top block 7 corresponds to the rotating block 12.
As a preferred technical solution of the present invention, an inclined surface is provided on a side surface of the top block 7 close to the rotating block 12, and the inclined surface is slidably connected to the rotating block 12.
As a preferred technical solution of the present invention, the stepped hole includes an upper portion, a step surface and a lower portion, the circuit board can be placed on the step surface, and the top surface of the groove on the rotary block 12 can press the circuit board to press the circuit board on the step surface.
As a preferred technical solution of the present invention, a control screen 10 is further disposed on the base 1, the control screen 10 is connected with the controller, and a worker can control the servo motor and the electric push rod 3 to work through the control screen 10.
As a preferred technical solution of the present invention, the needle bed 4 is further provided with an inner plate 13, an outer plate 14 is slidably connected to an outer side of the inner plate 13, the outer plate 14 is a casing with a transparent top surface, the outer plate 14 is sleeved on the inner plate 13 and slidably connected to the inner plate 13, and a spring 15 is provided between the inner plate 13 and the outer plate 14.
In a preferred embodiment of the present invention, the bottom surface of the outer plate 14 protrudes from the probe 5, and when the needle bed 4 moves downward, the outer plate 14 contacts the circuit board first.
As a preferred technical solution of the present invention, a rubber pad 16 is further disposed on the bottom surface of the outer plate 14, so as to protect the circuit board.
The working principle of the utility model is as follows: when a circuit board is tested, the rotating block 12 is contacted with the inclined plane of the top block 7, the rotating block 12 rotates around the position hinged with the carrier plate 6, meanwhile, the torsional spring stores the force, the circuit board is placed at the right end of the carrier plate 6 in the stepped hole, the left end of the circuit board is placed in the groove 17 of the rotating block 12, the servo motor is controlled by the control screen 10 to work, the lead screw 8 is driven to rotate in the slide way 11 in the positive direction, the slide block 9 is driven to slide in the slide way 11 by being meshed with the screw hole on the slide block 9, so that the carrier plate 6 is driven to move towards the right probe 5, the top block 7 is separated from the rotating block 12, the rotating block 12 is reset under the elastic force of the torsional spring, the circuit board is driven to be completely embedded into the stepped hole by the groove 17, under the elastic force of the torsional spring, the upper top surface of the groove 17 presses the circuit board, so that the circuit board is tightly attached to the stepped surface of the stepped hole, the servo motor continues to work, and moves the circuit board to the position below the ejector pin 5, the servo motor stops working, the microprocessor controls the electric push rod 3 to work and extend to drive the needle bed 4 and the probes 5 to move downwards, the rubber pad 16 below the outer plate 14 is firstly contacted with the circuit board, the circuit board is prevented from being damaged due to the fact that the outer plate 14 contacts the circuit board too fast, the needle bed 4 continues to move downwards, relative sliding is caused between the outer plate 14 and the inner plate 13, meanwhile, the springs 15 are squeezed, the circuit board is limited, the probes 5 can test the circuit board, after the test is completed, the product is qualified, the lamp strip 18 on the support plate 6 displays a green light and an unqualified product, and the lamp strip 18 displays a red light, the servo motor is controlled to rotate reversely to drive the support plate 6 to move leftwards, the inclined plane of the ejector block 7 is contacted with the rotating block 12, the rotating block 12 rotates around the support plate 6, the left end of the circuit board is jacked upwards, and workers can take and place the circuit board conveniently.
In addition, the microprocessor adopts an Edimell 89C51 type singlechip for starting and stopping the motor, and technical personnel in the field can refer to textbooks or technical manuals published by manufacturers to obtain technical inspiration by pins and connection modes of 89C 51.
The circuit connections according to the utility model are conventional means used by the person skilled in the art and can be suggested by a limited number of tests, which are common knowledge.
Components not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. The utility model provides an electric capability test frock of circuit board, includes base (1), be equipped with controller, 485 communication unit and pulse detecting element in base (1), the controller with 485 communication unit with the pulse detecting element is connected, its characterized in that: the needle bed structure is characterized in that a support (2) is arranged on the base (1), the support (2) is connected with a needle bed (4) through an electric push rod (3), a probe (5) is arranged on the needle bed (4), the probe (5) is connected with the controller, a microprocessor is further arranged in the controller, and the microprocessor is connected with the electric push rod (3); the improved needle bed is characterized in that a slide rail (11) is arranged on the base (1), a plurality of sliding blocks (9) are connected in the slide rail (11), a lead screw (8) is connected in the slide rail (11) in a rotating mode, screw holes meshed with the lead screw (8) are formed in the sliding blocks (9), the lead screw (8) is driven by a servo motor, the servo motor is connected with the controller, a carrier plate (6) is arranged on the sliding blocks (9), stepped holes and a lamp belt (18) are formed in the carrier plate (6), the lamp belt (18) is connected with the controller, and the carrier plate (6) corresponds to the needle bed (4) in position.
2. The electric performance test tool of the circuit board according to claim 1, characterized in that: the side of support plate (6) has been seted up logical groove, logical groove with the shoulder hole intercommunication, it is connected with commentaries on classics piece (12) to lead to the inslot internal rotation, and the junction pressure is equipped with the torsional spring, seted up on commentaries on classics piece (12) recess (17), recess (17) with the shoulder hole position is corresponding, still be equipped with kicking block (7) on base (1), kicking block (7) with commentaries on classics piece (12) position is corresponding.
3. The electric performance test tool of the circuit board according to claim 2, characterized in that: the top block (7) is provided with an inclined plane, and the inclined plane is connected with the rotating block (12) in a sliding manner.
4. The electrical performance test tool of the circuit board according to claim 1 or 2, characterized in that: the stepped bore includes an upper portion, a stepped surface, and a lower portion.
5. The electric performance test tool of the circuit board according to claim 1, characterized in that: the base (1) is further provided with a control screen (10), and the control screen (10) is connected with the controller.
6. The electric performance test tool of the circuit board according to claim 1, characterized in that: the needle bed (4) is further provided with an inner plate (13), the outer side of the inner plate (13) is connected with an outer plate (14) in a sliding mode, and a spring (15) is arranged between the inner plate (13) and the outer plate (14).
7. The electric performance test tool of the circuit board according to claim 6, characterized in that: the bottom surface of the outer plate (14) protrudes from the probe (5).
8. The electric performance test tool of the circuit board according to claim 6, characterized in that: and a rubber pad (16) is also arranged on the bottom surface of the outer plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122865259.0U CN216248236U (en) | 2021-11-22 | 2021-11-22 | Electrical performance test tool for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122865259.0U CN216248236U (en) | 2021-11-22 | 2021-11-22 | Electrical performance test tool for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216248236U true CN216248236U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122865259.0U Active CN216248236U (en) | 2021-11-22 | 2021-11-22 | Electrical performance test tool for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216248236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115739705A (en) * | 2022-11-18 | 2023-03-07 | 浙江华邦电子有限公司 | Full-automatic circuit board test equipment |
-
2021
- 2021-11-22 CN CN202122865259.0U patent/CN216248236U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115739705A (en) * | 2022-11-18 | 2023-03-07 | 浙江华邦电子有限公司 | Full-automatic circuit board test equipment |
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