CN114942379A - Circuit board quality detector and using method thereof - Google Patents
Circuit board quality detector and using method thereof Download PDFInfo
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- CN114942379A CN114942379A CN202210623025.1A CN202210623025A CN114942379A CN 114942379 A CN114942379 A CN 114942379A CN 202210623025 A CN202210623025 A CN 202210623025A CN 114942379 A CN114942379 A CN 114942379A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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Abstract
The invention relates to the technical field of circuits, in particular to a circuit board quality detector and a using method thereof, wherein the detector comprises: the inner part of the shell is of a cavity structure, the side surface of the shell is provided with a first accommodating cavity and a second accommodating cavity, and the shell is also provided with a working plane; a plurality of first modules are arranged in the first accommodating cavity; the first module is provided with a first wire inserting hole; a plurality of second modules are arranged in the second accommodating cavity; the controller is arranged inside the shell, and part of the output pins are electrically connected with part of the first wire inserting holes; the detection module is arranged inside the shell, a signal input end is electrically connected with part of the first wire inserting holes, and a signal output end is electrically connected with the controller; the power supply module is arranged inside the shell, and part of power supply ends are electrically connected with part of the first wire inserting holes; and the plurality of components are arranged on part of the second module. The circuit board quality detector greatly reduces the frequency of dismounting components, avoids the crossing of wires, effectively protects the components and improves the detection accuracy.
Description
Technical Field
The invention relates to the technical field of circuits, in particular to a circuit board quality detector and a using method thereof.
Background
In the field of electrical and electronic engineering, no matter in the field of student practice teaching or in the field of circuit experimental research, there are a lot of demands for manufacturing circuit boards, and it is necessary to detect the state of a circuit (for example, detecting the waveform output by the circuit, detecting a short circuit of the circuit, detecting the polarity of a component, etc.). Different components, such as a power supply, a bulb, a timer, a buzzer and the like, can be used according to different circuit board requirements. The components can be frequently connected into the circuit board and then detached, so that the components are easily damaged greatly, the replacement frequency of the components is high, and waste is caused. Meanwhile, because some existing power supply equipment, detection equipment and other devices are independent and have large volumes, the power supply equipment, the detection equipment and other devices can only be stacked on a desktop in a messy manner, when the power supply equipment, the detection equipment and other devices are combined for use, wires in a circuit are easy to intersect, the intersection can cause each path of current in the circuit board to influence each other, wiring operation is influenced, and finally the accuracy of the measured circuit board is poor.
Disclosure of Invention
The invention provides a circuit board quality detector, which integrates key components and a measuring circuit, greatly reduces the frequency of dismounting the components, avoids the crossing of wires, realizes the purposes of protecting the components and improving the detection accuracy, and can effectively solve the problems in the background technology. Meanwhile, the invention also provides a using method of the circuit board quality detector, which can achieve the same technical effect.
In order to achieve the above object, the present invention provides a circuit board quality detector, comprising:
the inner part of the shell is of a cavity structure; the side surface is provided with a first accommodating cavity and a second accommodating cavity which are opened outwards; the shell is also provided with a working plane;
a plurality of first modules are arranged in the first accommodating cavity, and the first modules are detachably connected with any part of the inner wall of the first accommodating cavity and the working plane; the first module is provided with a first wire inserting hole;
a plurality of second modules are arranged in the second accommodating cavity, and the second modules are detachably connected with any part of the inner wall of the second accommodating cavity and the working plane;
the controller is arranged in the shell and used for processing and outputting electric signals, and part of output pins are electrically connected with part of the first wire inserting holes;
the detection module is arranged in the shell and used for detecting the state of the circuit board, a signal input end is electrically connected with part of the first wire inserting holes, and a signal output end is electrically connected with the controller;
the power supply module is arranged in the shell and used for supplying power, and part of power supply ends are electrically connected with part of the first wire inserting holes;
a plurality of components arranged on a part of the second module; and the second module is provided with a second wire inserting hole, and the component is electrically connected with the second wire inserting hole.
Further, the shell is provided with a retractable placing plate, and the surface of the placing plate forms a working plane.
Further, the first receiving cavity and the second receiving cavity are both separated from the cavity structure by an inner wall.
Further, in the housing, at least a first accommodating cavity inner wall, a second accommodating cavity inner wall and the working plane are structures made of materials which can be adsorbed by a magnet; and magnetic adsorption structures are arranged on the surfaces of the first module and the second module.
Further, the first module comprises a first guide rail and a sliding block, the first wire insertion hole is formed in the sliding block, and the sliding block slides on the first guide rail; the second module is in a guide rail shape with the same cross section as the first guide rail.
Furthermore, a first clamping structure is arranged on the working plane, and second clamping structures are arranged at the bottoms of the first guide rail and the second module; the first clamping structure and the second clamping structure are clamped with each other to form a detachable installation structure.
Furthermore, the first clamping structure is a hollow square pipe body structure; square grooves are formed in the bottoms of the first guide rail and the second module, clamping blocks capable of moving towards or away from the inner parts of the square grooves are arranged on the side faces of the square grooves, and the square grooves and the clamping blocks are combined to form the second clamping structure; when the first clamping structure and the second clamping structure are clamped with each other, the square pipe body structure stretches into the square groove, and the clamping blocks abut against the side face of the square pipe body structure.
Further, a plurality of partition plates are provided in the first accommodation chamber, and each of the first modules is prevented between adjacent two of the partition plates.
Further, the intelligent terminal also comprises an interaction module which is arranged in the shell, is electrically connected with the controller and is used for realizing the interaction function of the controller and external equipment or personnel.
A method for using a circuit board quality detector is suitable for the circuit board quality detector and comprises the following steps:
and (3) module selection: selecting a first module and a second module which need to be used from a first accommodating cavity and a second accommodating cavity of the detector respectively; placing the selected first module and the second module on the working plane, and enabling the placing sequence of the taken first module to be the same as the placing sequence in the first accommodating cavity;
detecting the circuit board: connecting the circuit board to a first wire inserting hole of the first module and a component of the second module, and then starting the power supply module to detect circuit data of the circuit board;
and (4) ending detection: firstly, turning off a power supply module, and then removing the connection between the circuit board and the first wire inserting hole as well as the connection between the circuit board and the component; and then, the first module and the second module are respectively placed back into the first accommodating cavity and the second accommodating cavity, and the placing sequence of all the first modules is consistent with the placing sequence before the module selecting step.
Through the technical scheme of the invention, the following technical effects can be realized:
1. the detector adopts a first module with a first wire inserting hole and a second module with a second wire inserting hole, pins of a controller, a detection module and a power supply module which need to be frequently disassembled and assembled are connected on the first wire inserting hole, components which need to be frequently disassembled and assembled are connected on the second wire inserting hole, when the components are connected with the circuit board, the electric wire with the quick plug connector can be used, the quick plug connector of the electric wire is inserted into the first wire inserting hole or the second wire inserting hole, so that the connection of each module, the components and the circuit board is realized, at the moment, the detector changes the parts needing frequent disassembly and assembly into the quick plug connector of the electric wire, the first wire inserting hole and the second wire inserting hole which are lower in price, the modules or the components are required to be disassembled only when the first wire inserting hole or the second wire inserting hole is required to be replaced, therefore, the frequency of dismounting and mounting of each module and each component can be effectively reduced, and the service life of each module and each component can be effectively protected.
2. The detector integrates a plurality of modules and components, and only the first module and the second module are needed to be selected when the detector is used, so that the size of equipment is effectively reduced, and a larger space is provided for personnel on the outer side, so that the personnel can optimize the wiring on the outer side conveniently; in the detector, the connecting wires can be dispersed by the first modules and the second modules, and the relative placement sequence of the first modules needs to be kept in the using process of the detector, so that the wires connected with the first wire inserting holes cannot be crossed; above-mentioned two kinds of functions combine together, guarantee that this detector can not intercrossing to all electric wires between the circuit board, effectively avoid each way electric current interact in the circuit board, guarantee the degree of accuracy of the circuit board that measures out.
3. In the testing process, the traditional method for detecting the quality of the circuit board needs to adopt the modes of connecting an ammeter, connecting an oscilloscope to detect circuit waveforms and the like, so that the efficiency is obviously reduced and the detection result is easy to generate errors when a large number of circuit boards are detected; the detector can automatically detect the circuit condition only by wiring with the circuit board, record the circuit condition, and timely feed back personnel through the interaction module, thereby improving the efficiency of detecting a large number of circuit boards.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a circuit board quality detector according to the present invention;
FIG. 2 is a schematic circuit diagram of a circuit board quality detector according to the present invention;
FIG. 3 is a schematic structural view of the housing of the present invention;
FIG. 4 is a side cross-sectional view of a first housing embodiment of the present invention;
FIG. 5 is a side cross-sectional view of a second housing embodiment of the present invention;
FIG. 6 is a side cross-sectional view of a third housing embodiment of the present invention;
FIG. 7 is a side cross-sectional view of a fourth embodiment of a housing of the present invention;
FIG. 8 is a schematic structural diagram of a first module according to the present invention;
FIG. 9 is a schematic structural diagram of a second module according to the present invention;
FIG. 10 is a schematic illustration of a splice of a second embodiment of the first and second modules of the present invention;
FIG. 11 is a side cross-sectional view of a first embodiment of a second clamping structure in accordance with the present invention;
FIG. 12 is a side cross-sectional view of a second clamping configuration embodiment of the present invention;
FIG. 13 is a cross-sectional view taken at A of FIG. 12;
FIG. 14 is a schematic view of the first module of the present invention shown in sequence prior to removal from the first cavity;
FIG. 15 is a schematic view of the first module of the present invention after being removed from the first cavity;
reference numerals: shell 1, the first chamber 11 that holds, the second holds chamber 12, work plane 13, place board 14, plummer 15, through-hole 16, first module 2, first plug wire hole 21, first guide rail 22, slider 23, second module 3, second plug wire hole 31, transition piece 32, controller 4, detection module 5, power module 6, components and parts 7, first joint structure 81, second joint structure 82, square body structure 83, square groove 84, fixture block 85, promote piece 86, wireless transmission module 91, liquid crystal display module 92, alarm module 93.
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 a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; the connection can be mechanical connection or electrical connection (namely, the two ends of the wire are connected to mutually transmit electric signals); either directly or indirectly through intervening media, or 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.
The invention relates to a circuit board quality detector, as shown in figures 1-2, comprising:
the inner part of the shell 1 is of a cavity structure; a first accommodating cavity 11 and a second accommodating cavity 12 which are opened outwards are arranged on the side surfaces of the first accommodating cavity and the second accommodating cavity; the housing 1 is also provided with a working plane 13; the top or side of the housing 1 is preferably configured to be openable and closable, for example, a plate is hinged to the side of the housing 1 to form a door capable of being opened and closed rotatably, or the housing 1 is made to be a split structure, and then a fastener is used to connect the split structure, so that the components can be installed in the cavity structure of the housing 1 subsequently.
A plurality of first modules 2 are arranged in the first accommodating cavity 11, the first modules 2 are detachably connected with any part of the inner wall of the first accommodating cavity 11 and the working plane 13 and are usually arranged in the first accommodating cavity 11, and when the detector detects a circuit board, the first modules 2 can be detached from the first accommodating cavity 11 and arranged on the working plane 13; the first module 2 is provided with a first wire insertion hole 21.
A plurality of second modules 3 are arranged in the second accommodating cavity 12, the second modules 3 are detachably connected with any one part of the inner wall of the second accommodating cavity 12 and the working plane 13 and are usually arranged in the second accommodating cavity 12, and when the circuit board detection is carried out by the detector, the second modules 3 can be detached from the second accommodating cavity 12 and are arranged on the working plane 13; and parts or all of the second modules 3 are also provided with components 7, the components 7 are usually execution elements such as electronic organs, bulbs and buzzers, each component 7 is installed on one second module 3, a second wire insertion hole 31 is also arranged on the second module 3 provided with the component 7, and the interface of the component 7 is electrically connected with the second wire insertion hole 31. Of course, the component 7 and the second wire insertion hole 31 may also be mounted on one transition block 32, and then the transition block 32 is mounted on the second module 3, so that the detector can be used for replacing different types of components 7.
A controller 4 disposed inside the housing 1 for processing and outputting electrical signals, wherein part of output pins of the controller 4 are electrically connected with part of the first wire insertion holes 21; the controller 4 in the present invention is preferably a single chip microcomputer, which has a plurality of pins for signal input and output, and can implement simple data processing by programming the single chip microcomputer, and also can output electrical signals (such as sine wave signals, pulse signals, etc.) with a certain rule to the outside through the output pins, and connect the output pins to the first wire insertion holes 21 of one or more first modules 2, so that the first modules 2 can be used as signal sources of the circuit board to provide stable input signals with a certain rule for the circuit board.
The power supply module 6 is arranged inside the shell 1 and provided with a plurality of power supply ends, different power supply ends can provide various power supply modes such as 5V, +/-5V, 12V and 12V, part of power supply end pins are connected with the controller 4 and the detection module 5 to supply power for the controller 4 and the detection module 5, the other part of power supply ends are electrically connected with the first plug wire holes 21 of part of the first modules 2, and the first modules 2 can be used as power supply ends of a circuit board to supply power for the circuit board.
Through the structure, the detector can connect the wiring terminals or pins of the controller 4, the detection module 5 and the power module 6 which need frequent disassembly and assembly to the first wire inserting hole 21, and connect the component 7 which needs frequent disassembly and assembly to the second wire inserting hole 31, so when the detector is connected with a circuit board, the detector can use the electric wire with the quick plugging head, the quick plugging head of the electric wire is inserted into the first wire inserting hole 21 or the second wire inserting hole 31, so as to realize the quick connection of each module and the component 7 with the circuit board, at the moment, the detector changes the part which needs frequent disassembly and assembly into the quick plugging head of the electric wire with lower price, the first wire inserting hole 21 and the second wire inserting hole 31, and only when the first wire inserting hole 21 and the second wire inserting hole 31 need to be replaced, the module or the component 7 needs to be disassembled, thereby effectively reducing the disassembly and assembly frequency of each module and component 7, the life of the individual modules and components 7 is effectively protected.
The detector integrates a plurality of modules and components 7, and only the first module 2 and the second module 3 are needed to be selected when the detector is used, so that the size of equipment is effectively reduced, a larger space is provided for personnel on the outer side, and the personnel can optimize the wiring on the outer side conveniently; in the detector, each first module 2 is only connected with one module pin to realize one function, and an actuator which does not need extra connecting wires and can be directly used is arranged on the second module 3, so that the connecting wires of the first modules 2 and the second modules 3 can be dispersed, and in the using process of the detector, the relative placement sequence of the first modules 2 is required to be kept, so that the wires connected with the first wire insertion holes 21 cannot be crossed; above-mentioned two kinds of functions combine together, guarantee that this detector can not intercrossing to all electric wires between the circuit board, effectively avoid each way electric current in the circuit board to produce the influence each other, guarantee the degree of accuracy of the circuit board that measures.
As to the way of arranging the working plane 13 of the casing 1, the invention may comprise the following embodiments:
in the first mode, the shell 1 is formed by bending a sheet metal structure, and in the bending process, one side surface of the shell 1 is bent to form a plane, as shown in fig. 4, the plane can be used as a working plane 13, so that the working plane 13 and the shell 1 form an integrated structure, and the working plane 13 is prevented from falling off;
in the second mode, the housing 1 is provided with the retractable placing plate 14, and the surface of the placing plate 14 forms the working plane 13, so that the placing plate 14 can be retracted when the detector is not used, and the occupied space of the detector is reduced; as shown in fig. 5, the placing board 14 may be hinged to a side surface of the housing 1, and a hinged position is preferably set at an opening of the second accommodating cavity 12 or the first accommodating cavity 11, so that the placing board 14 can be rotated to achieve a folding and unfolding function of the placing board 14, and meanwhile, the placing board 14 can also seal the second accommodating cavity 12 or the first accommodating cavity 11 when being folded, and the placing board 14 can also be lengthened, so that the placing board 14 can simultaneously seal the second accommodating cavity 12 and the first accommodating cavity 11 when being folded, and the first module 2 and the second module 3 can be prevented from falling out of the first accommodating cavity 11 and the second accommodating cavity 12;
in a third mode, as shown in fig. 6, the retractable structure of the placing board 14 may be further configured such that the placing board 14 is slidably disposed at the bottom of the housing 1, when in use, the placing board 14 is pulled out to expose the top surface of the placing board 14, the top surface of the placing board 14 may be used as the working plane 13, and when not in use, the placing board 14 is pushed in to hide the working plane 13 at the bottom of the housing 1;
in a fourth mode, as shown in fig. 7, after the housing 1 is molded, a bearing table 15 is installed on the side surface of the housing 1, and the top surface of the bearing table 15 can form a working plane 13; the carrier table 15 may also be provided as a hollow structure, and the cavity of the carrier table 15 can be used as the second accommodating chamber 12.
Preferably, hold chamber 11 and second and hold chamber 12 and all separate through its inner wall and cavity structure, prevent that first module 2 and second module 3 from falling into the inside of shell 1, more can prevent that personnel from touching the electronic component or the module of shell 1 inside when taking first module 2 and second module 3, guarantee personnel's safety. Since the first module 2 has the first wire insertion holes 21 to be electrically connected to the respective modules inside the housing 1, a plurality of through holes 16 through which the power supply wires pass need to be formed in the inner wall of the first accommodation chamber 11, and as shown in fig. 3, it is preferable that the through holes 16 be spaced apart from each other to limit the wires and prevent the wires from crossing each other during the process of taking out and putting back the first module 2; the diameter of the through hole 16 is preferably set to be slightly larger than the diameter of the wire section to prevent the wire from being scratched by the edge of the through hole 16 during the drawing and replacing processes.
As for the specific structure of the first module 2 and the second module 3, the present invention may include the following embodiments:
in the first mode, at least the inner wall of the first accommodating cavity 11, the inner wall of the second accommodating cavity 12 and the working plane 13 in the housing 1 are magnetic structures which can be attracted by a magnet; magnetic adsorption structures can be arranged on the surfaces of the first module 2 and the second module 3, and the first module 2 and the second module 3 can be quickly adsorbed, installed or quickly removed on the inner wall of the first accommodating cavity 11, the inner wall of the second accommodating cavity 12 or the working plane 13 through the magnetic adsorption structures;
secondly, as shown in fig. 8 to 9, a first module 2 is formed by combining a first guide rail 22 and a sliding block 23, a first wire insertion hole 21 is formed in the sliding block 23, and the sliding block 23 can slide on the first guide rail 22; the second module 3 has a rail shape having the same cross section as the first rail 22; the first guide rail 22 and the second module 3 can be formed by machining separately, or the first guide rail 22 and the second module 3 can be formed by cutting a complete guide rail into multiple sections; when the first module 2 and the second module 3 are placed on the working plane 13, the first guide rail 22 and the second module 3 can be spliced to form a complete guide rail, as shown in fig. 10, and the sliding block 23 can slide on the guide rail; moreover, by placing the second module 3 without the component 7 between the first module 2 and the second module 3 with the component 7, the length of the complete guide rail can be lengthened, the distance between each component 7 can be lengthened, and the wires can be further prevented from being crossed and wound with each other, in the using process of the detector, in order to reduce the number of times of replacing the first module 2 and the second module 3, the components 7 required in the two-time detection can be taken out at the same time, the two component devices 7 are placed on different two sides to be separated from each other as far as possible, as shown in fig. 10, the mutual interference is avoided, the two groups of components 7 are respectively required to be used by two circuit boards, but the first wire insertion hole 21 for detection used by the two circuit boards and the first wire insertion hole 21 as a signal source are the same, so that through the structure, the slider 23 can drive the first wire insertion hole 21 to slide to approach to one circuit board to be detected, therefore, the replacement of the first module 2 and the second module 3 can be reduced as much as possible, the experimental efficiency can be further improved, the abrasion of the tester parts is reduced, and the service life of the tester is prolonged.
In the second embodiment of the first module 2 and the second module 3, in order to avoid the first guide rail 22 and the slider 23 from being dispersed when the first module 2 is stored, a plurality of partitions may be provided in the first accommodation chamber 11, as shown in fig. 3, each first module 2 being prevented from being dispersed between two adjacent partitions, with the side walls of the partitions being placed against the side surfaces of the first guide rail 22 and the slider 23; the mode of arranging the limiting structure on the sliding block 23 can also be adopted, as shown in fig. 11, the limiting structure fixes the relative positions of the first guide rail 22 and the sliding block 23, so as to prevent the first guide rail 22 and the sliding block 23 from being dispersed, and the limiting structure can be specifically a screw which is screwed into the side surface of the sliding block 23 and abuts against the side surface of the first guide rail 22.
In embodiment two of the first module 2 and the second module 3, in order to ensure the stability of the guide rail formed by splicing the first guide rail 22 and the second module 3, the first guide rail 22 and the second module 3 need to be fixed, the detector sets the first clamping structure 81 on the working plane 13, and sets the second clamping structure 82 at the bottom of the first guide rail 22 and the second module 3, so as to clamp the first clamping structure 81 and the second clamping structure 82 to each other to form a detachable mounting structure.
As for the specific structure of the first and second snap structures 81 and 82, the present invention may include the following embodiments:
in the first mode, the first clamping structure 81 and the second clamping structure 82 are magnetic structures capable of being mutually adsorbed;
in a second mode, as shown in fig. 11, the first clamping structure 81 is a hollow square pipe structure 83, and the square pipe structure 83 may be separately manufactured and then installed on the working plane 13, or may be formed by bending the working plane 13; a square groove 84 is arranged at the bottom of the first guide rail 22 and the second module 3, a clamping block 85 capable of moving towards or away from the inside of the square groove 84 is arranged on the side surface of the square groove 84, and the square groove 84 and the clamping block 85 are combined to form a second clamping structure 82; when the first clamping structure 81 and the second clamping structure 82 are clamped with each other, the square pipe body structure 83 extends into the square groove 84, the fixture block 85 abuts against the side surface of the square pipe body structure 83, and the fixture block 85 abuts against the side surface of the square pipe body structure to realize fixing; and when the fixture block 85 butts against the square pipe body structure 83, because the square pipe body structure 83 is hollow, the square pipe body structure 83 can deform to a certain extent under the butting of the fixture block 85, so that the square pipe body structure 83 can clamp the square groove 84 more tightly. As shown in fig. 11, the clamping block 85 is arranged in a screw shape, a through threaded hole is formed in the side wall of the square groove 84, the screw-shaped clamping block 85 is screwed into the threaded hole from the outside, and the clamping block 85 can abut against and release the first guide rail 22 by rotating the clamping block 85;
third, different from the second mode, the fixture block 85 is configured as a sliding rod shape as shown in fig. 12 to 13, a sliding groove is formed in a side wall of the square groove 84, the sliding rod-shaped fixture block 85 slides in the sliding groove, a pushing block 86 is further provided, the pushing block 86 is mounted on the slider 23 through a screw, the screw and the fixture block 85 are perpendicular to each other, and mutually attached inclined surfaces are further provided on the fixture block 85 and the pushing block 86, so that the pushing block 86 moves towards the slider 23, and the inclined surfaces can push the fixture block 85 to move towards the square groove 84 to abut against the first guide rail 22, thereby realizing the abutting action.
In order to increase the practicability of the detector, an interaction module is further arranged in the shell 1 of the detector, the interaction module is electrically connected with the controller 4, data transmission is carried out between the interaction module and the controller 4, and the interaction function of the controller 4 and external equipment or personnel is achieved. The interaction module may specifically include various forms such as a wireless transmission module 91, a liquid crystal display module 92, and an alarm module 93, as shown in fig. 2: the wireless transmission module 91 may be used to connect with an external device, transmit data of the controller 4 to the external device, or receive modification information of the external device, transmit the information to the wireless transmission module 91, and modify a program inside the wireless transmission module 91; the lcd module 92 may be configured to receive data of the controller 4 and display data or waveforms, and after the lcd module 92 is preferably configured as a touch screen, the program in the controller 4 may be modified by the touch screen; the alarm module 93 may be a warning light, a buzzer, etc. when detecting the short circuit of the circuit board, the alarm module 93 can send an alarm to remind the user. A plurality of interaction modules can be contained in a detector, and each interaction module is independently and electrically connected with the controller 4, so that a plurality of interaction functions can be realized simultaneously.
The invention also relates to a using method of the circuit board quality detector, which is suitable for the circuit board quality detector and comprises the following steps:
and (3) module selection: selecting a first module 2 and a second module 3 which need to be used from a first accommodating cavity 11 and a second accommodating cavity of the detector respectively; placing the selected first module 2 and the selected second module 3 on the working plane 13, and making the placing order of the taken first module 2 the same as the placing order in the first accommodating cavity 11, for example, as shown in fig. 14, a plurality of first modules 2 are numbered and placed in the first accommodating cavity 11 from left to right in the order of 2a, 2b, 2c … … 2f, and assuming that three first modules 2 of 2a, 2c, and 2e are selected, the placing order is maintained as 2a, 2c, and 2e again from left to right when the first modules 2 are on the working plane 13 as shown in fig. 15;
detecting the circuit board: connecting the circuit board to the first wire inserting hole 21 of the first module 2 and the component 7 of the second module 3, then starting the power module 6, detecting circuit data of the circuit board, and feeding back the detected data to an operator through the interactive module;
and (4) ending detection: firstly, turning off the power supply module 6, and then removing the connection between the circuit board and the first wire insertion hole 21 and the component 7; after the first module 2 and the second module 3 are respectively placed back into the first accommodating cavity 11 and the second accommodating cavity, and the placing sequence of all the first modules 2 is kept consistent with the placing sequence before the module selecting step, by continuing the foregoing example, after three first modules 2 of 2a, 2c and 2e are placed back into the first accommodating cavity 11, all the first modules 2 are placed in the order of 2a, 2b and 2c … … 2f from left to right as shown in fig. 14.
By the use method, the wires connected with the first wire inserting holes 21 can be prevented from crossing each other, so that mutual influence of currents in all paths is avoided, and the accuracy of the measured circuit board is ensured.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A circuit board quality detector, comprising:
the inner part of the shell is of a cavity structure; the side surface is provided with a first accommodating cavity and a second accommodating cavity which are opened outwards; the shell is also provided with a working plane;
a plurality of first modules are arranged in the first accommodating cavity, and the first modules are detachably connected with any part of the inner wall of the first accommodating cavity and the working plane; the first module is provided with a first wire inserting hole;
a plurality of second modules are arranged in the second accommodating cavity, and the second modules are detachably connected with any part of the inner wall of the second accommodating cavity and the working plane;
the controller is arranged in the shell and used for processing and outputting electric signals, and part of output pins are electrically connected with part of the first wire inserting holes;
the detection module is arranged in the shell and used for detecting the state of the circuit board, a signal input end is electrically connected with part of the first wire inserting holes, and a signal output end is electrically connected with the controller;
the power supply module is arranged in the shell and used for supplying power, and part of power supply ends are electrically connected with part of the first wire inserting holes;
a plurality of components arranged on a part of the second module; and the second module is provided with the component and is also provided with a second wire inserting hole, and the component is electrically connected with the second wire inserting hole.
2. The circuit board quality tester of claim 1, wherein the housing is provided with a retractable resting plate, the surface of which forms the working plane.
3. The circuit board quality tester of claim 1, wherein the first receiving cavity and the second receiving cavity are each separated from the cavity structure by an inner wall.
4. The apparatus according to claim 1, wherein at least the inner wall of the first receiving chamber, the inner wall of the second receiving chamber and the working plane in the housing are made of a material that can be attracted by a magnet; and magnetic adsorption structures are arranged on the surfaces of the first module and the second module.
5. The circuit board quality tester according to claim 1, wherein the first module comprises a first guide rail and a slider, the first wire insertion hole is provided on the slider, and the slider slides on the first guide rail; the second module is in a guide rail shape with the same cross section as the first guide rail.
6. The circuit board quality detector according to claim 5, wherein a first clamping structure is arranged on the working plane, and a second clamping structure is arranged at the bottom of the first guide rail and the bottom of the second module; the first clamping structure and the second clamping structure are clamped with each other to form a detachable installation structure.
7. The apparatus according to claim 6, wherein the first clamping structure is a hollow square tube structure; square grooves are formed in the bottoms of the first guide rail and the second module, clamping blocks capable of moving towards or away from the inner parts of the square grooves are arranged on the side faces of the square grooves, and the square grooves and the clamping blocks are combined to form the second clamping structure; when the first clamping structure and the second clamping structure are clamped with each other, the square pipe body structure stretches into the square groove, and the clamping blocks abut against the side face of the square pipe body structure.
8. The board quality tester of claim 5, wherein a plurality of spacers are disposed in the first receiving cavity, each of the first modules being prevented from being disposed between two adjacent spacers.
9. The apparatus according to claim 1, further comprising an interaction module disposed in the housing and electrically connected to the controller for implementing an interaction function between the controller and external devices or persons.
10. A method for using a circuit board quality detector, which is suitable for the circuit board quality detector according to any one of claims 1 to 9, and comprises the following steps:
and (3) module selection: respectively selecting a first module and a second module which need to be used from a first accommodating cavity and a second accommodating cavity of the detector; placing the selected first module and the second module on the working plane, and enabling the placing sequence of the taken first module to be the same as the placing sequence in the first accommodating cavity;
detecting the circuit board: connecting the circuit board to a first wire inserting hole of the first module and a component of the second module, and then starting the power supply module to detect circuit data of the circuit board;
and (4) ending detection: firstly, turning off a power supply module, and then removing the connection between the circuit board and the first wire inserting hole as well as the connection between the circuit board and the component; and then, the first module and the second module are respectively placed back into the first accommodating cavity and the second accommodating cavity, and the placing sequence of all the first modules is kept consistent with the placing sequence before the module selecting step.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210623025.1A CN114942379B (en) | 2022-06-02 | 2022-06-02 | Circuit board quality detector and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210623025.1A CN114942379B (en) | 2022-06-02 | 2022-06-02 | Circuit board quality detector and using method thereof |
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| CN114942379B CN114942379B (en) | 2022-12-13 |
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|---|---|
| CN114942379B (en) | 2022-12-13 |
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