CN210015195U - Circuit board detection system - Google Patents

Circuit board detection system Download PDF

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Publication number
CN210015195U
CN210015195U CN201821976163.3U CN201821976163U CN210015195U CN 210015195 U CN210015195 U CN 210015195U CN 201821976163 U CN201821976163 U CN 201821976163U CN 210015195 U CN210015195 U CN 210015195U
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CN
China
Prior art keywords
board
circuit board
detection
service
slot
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Expired - Fee Related
Application number
CN201821976163.3U
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Chinese (zh)
Inventor
刘丽莎
高青
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Shenzhen Polytechnic
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Shenzhen Polytechnic
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Priority to CN201821976163.3U priority Critical patent/CN210015195U/en
Application granted granted Critical
Publication of CN210015195U publication Critical patent/CN210015195U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a circuit board detecting system, it includes bottom plate, a plurality of business board, main control board and lid. The bottom plate includes a detection zone, a plurality of business board slot and a master control board slot, the detection zone includes the jack that a plurality of arrays were arranged to supply the circuit board for the railway system to insert and detect, a plurality of business board slots and master control board slot arrange in proper order in the detection zone below. The plurality of service boards and the plurality of service board slots are arranged in the plurality of service board slots in a one-to-one correspondence manner, and each service board comprises a plurality of relays to process detection signals. The main control board is arranged in the main control board slot and comprises a processor for distributing detection instructions. The cover body and the bottom plate are matched to form an accommodating space so as to accommodate the service board and the main control board in the accommodating space. The circuit board detection system can efficiently and accurately detect the circuit board for the railway.

Description

Circuit board detection system
Technical Field
The present disclosure relates to the field of detection technology, and more particularly, to a circuit board detection system suitable for detecting a circuit board for a railway.
Background
Currently, railway technology is being developed vigorously, and the number of circuit boards used in railways is becoming increasingly large. If the circuit board is faulty or bad, the transmission of signals will be affected, and further the operation of the railway system may be affected. Due to large passenger flow and high transportation speed of the railway system, the convenience of people in travel and the safety of lives and property are seriously influenced once problems occur in the railway system.
The circuit board generally includes a plurality of pins or a plurality of pins, and if each pin or pin is detected one by one, a long detection time is required, which seriously affects the detection efficiency.
Disclosure of Invention
The embodiment of the disclosure provides a circuit board detection system, which can detect a plurality of contact pins of a circuit board quickly and efficiently.
A circuit board detection system is used for detecting a circuit board for a railway system, the circuit board for the railway system comprises a plurality of contact pins arranged in an array, and the circuit board detection system comprises:
the detection area comprises a plurality of jacks distributed in arrays, the jacks distributed in the arrays correspond to the contact pins distributed in the arrays one to one so that the circuit board for the railway system can be inserted for detection, the service board slots and the main control board slot are sequentially arranged below the detection area, at least one banana head interface is arranged on each of two sides of each service board slot, and a connecting circuit is arranged in the bottom plate to electrically connect each jack and each slot;
the plurality of service boards and the plurality of service board slots are arranged in the plurality of service board slots in a one-to-one correspondence manner, and each service board comprises a plurality of relays for processing detection signals;
the main control board is arranged in the main control board slot and comprises a processor for distributing detection instructions; and
the cover body is matched with the bottom plate to form an accommodating space so as to accommodate the plurality of service boards and the main control board in the accommodating space.
In one embodiment, the circuit board detection system further comprises a power module that converts an ac power source to a dc power source.
In one embodiment, the circuit board detection system further comprises at least one heat dissipation module, and the at least one heat dissipation module is a fan.
In one embodiment, the bottom board further comprises a multimeter board slot, and the circuit board detection system further comprises a multimeter board disposed in the multimeter board slot for implementing a multimeter function.
In one embodiment, the multimeter board slot is adjacent to a master board slot.
In one embodiment, the bottom plate further comprises a plurality of third banana head interfaces, and the circuit board detection system further comprises a display screen electrically connected with the bottom plate through the plurality of third banana head interfaces.
In one embodiment, the plurality of third banana head interfaces are adjacent to the multimeter board slot.
In one embodiment, the bottom plate further comprises a plurality of second banana head interfaces, and the circuit board detection system further comprises a multimeter plate electrically connected to the bottom plate through the plurality of second banana head interfaces.
In one embodiment, the plurality of second banana head interfaces are adjacent to the main control board slot.
In one embodiment, the bottom plate further comprises a plurality of fourth banana head interfaces, and the fourth banana head interfaces are used as interfaces for outputting power to the outside.
In the circuit board detection system, the contact pins of the circuit board for the railway are butted through the detection area, the main control board distributes detection instructions to each service board, and the relay matrix of each service board can realize the processing of various detection signals and detect each contact pin of the circuit board for the railway according to the corresponding detection signal. Therefore, the detection of all contact pins of the railway circuit board can be efficiently and accurately finished at one time, and the processing efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a circuit board detection system according to an embodiment of the present disclosure.
Fig. 2 is a schematic cross-sectional structure diagram of a circuit board detection system according to an embodiment of the disclosure.
Fig. 3 is a schematic structural diagram of a base plate of a circuit board detection system according to an embodiment of the disclosure.
Fig. 4 is a schematic structural diagram of a service board of the circuit board detection system according to the embodiment of the disclosure.
Fig. 5 is a schematic block structure diagram of a main control board of the circuit board detection system according to the embodiment of the disclosure.
Fig. 6 is a schematic diagram of a service board and a main control board of the circuit board detection system according to the embodiment of the disclosure to process signals.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
Referring to fig. 1 to 6 together, an embodiment of the present disclosure provides a circuit board detection system 10 for detecting a circuit board for a railway system. Generally, the circuit board for railway system includes a plurality of pins (pins, or called pins, etc.) arranged in an array, for example, 48 pins. Each pin has a specific definition for implementing the transmission or connection of a certain signal. The circuit board detection system 10 of the present application is used for detecting whether signals transmitted or connected by each pin of a circuit board for a railway system are normal.
The circuit board detection system 10 includes a base plate 11, a plurality of service boards 12, a main control board 13, a multimeter board 14, a display screen 15, a power module 17, at least one heat dissipation module 18, and a cover 19.
The backplane 11 includes a detection zone 110, a plurality of service board slots 112, a host board slot 113, and a multimeter board slot 114. The bottom plate 11 may be a rectangular circuit board, the detection area 110 may be located on the upper portion of the bottom plate 11, and include a plurality of jacks 111 (or called interfaces, sockets, and the like) arranged in an array, where the jacks 111 arranged in a plurality of arrays correspond to the pins arranged in a plurality of arrays one to one, so that the circuit board for the railway system is inserted into the jacks to detect the jacks. For example, detection zone 110 includes 48 receptacles, which are arranged in 3 rows and 16 columns, forming a rectangular detection zone 110. The plurality of service board slots 112, the main control board slot 113 and the multimeter board slot 114 are arranged in sequence and are located below the detection area 110. The number of the service board slots 112 is not limited, and for example, the number may be 8.
The base plate 11 further comprises a plurality of banana head interfaces. A plurality of first banana head interfaces 1151 are respectively arranged on two sides of each service board slot 112, and the plurality of first banana head interfaces 1151 are used for being matched and connected with non-contact pin type or non-standard size railway system circuit boards. For example, there are 3 first banana head interfaces 1151 on each side of each service board slot 112, and there are 48 first banana head interfaces 1151 on each side of 8 service board slots 112. When the circuit board for the railway system to be detected cannot be inserted into the detection region 110, the pins of the circuit board for the railway system may be connected to the 48 first banana head interfaces 1151 in a wired manner, so that the circuit board for the railway system may be detected as well. A plurality of second banana head interfaces 1152 and a plurality of third banana head interfaces 1153 are arranged near the multimeter plate slot 114, the second banana head interfaces 1152 are used for being matched and connected with the multimeter plate 14, and the third banana head interfaces 1153 are used for being matched and connected with the display screen 15. For example, four second banana head interfaces 1152 arranged in a row are provided on the left side of the multimeter board slot 114. when the multimeter board 14 cannot be inserted into the multimeter board slot 114 or additional wiring is required, the four second banana head interfaces 1152 can be used to electrically connect to the bottom plate 11. Four third banana head interfaces 1153 arranged in two rows and two columns are arranged above the multimeter board slot 114. A plurality of fourth banana head interfaces 1154 are arranged near the main control board slot 113, and the fourth banana head interfaces 1154 are used as output power supplies and used for supplying power to other devices. That is, when there is a lack of power to other devices, it may be connected to the fourth banana head interface 1154 to enable power.
The bottom plate 11 further includes a plurality of ground terminals 116, and the plurality of ground terminals 116 include a plurality of digital ground terminals, a plurality of analog ground terminals, a plurality of protection ground terminals, and the like.
As will be understood by those skilled in the art, the backplane 11 is internally provided with connecting circuits for electrically connecting each jack, each slot, each interface and each binding post, so as to realize the interaction of signal transmission among the service board 12, the main control board 13, the multimeter board 14 and the backplane 11, and realize the interaction of signal transmission among the multimeter board 14 and the display screen 15.
The plurality of service boards 12 correspond to the plurality of service board slots 112 one to one, and each service board 12 is disposed in one corresponding service board slot 112. Each service board 12 includes a plurality of relays arranged in a matrix for processing input and output information of the detected circuit board for the railway system. Specifically, the service board 12 may also be a rectangular circuit board including a plurality of relays 121, a plurality of AD selectors 122, a plurality of DA dc holders 123, and a plurality of relay drive ICs 124. The plurality of relays 121 are arranged in a plurality of rows and columns to form a relay matrix. For example, each service board 12 is responsible for processing 48/8 ═ 6 pin detection signals, i.e., input/output information, and when there are 12 types of input/output information detected by the circuit board for a railway system, the relay matrix of each service board 12 needs to include at least 12 × 6 ═ 72 relays.
For example, referring to fig. 6, it is assumed that one of the service boards 12 is responsible for processing the detection of 6 pins CH0-CH5, the detection signal of each pin is one selected from +12V, common line, DA, AGND, AD, +24V, +15V, -15V, S0, S1, S2, and S3, and each detection signal of each pin is handled by one relay, that is, the service board 12 at least includes 12 relays 6-72 relays to handle the processing of 12 detection signals of 6 pins.
The main control board 13 is disposed in the main control board slot 113, and at least includes a relay group 131, a processing chip 132, and a power source 133. The processing chip 132 is configured to distribute a detection task, that is, parse a detection instruction from the control software, and distribute the detection instruction to the plurality of service boards 12 for execution. For example, the detection instruction of 48 pins is distributed to 8 service boards 12, so that each service board 12 processes the input and output information of 6 pins respectively, thereby realizing the detection of the railway circuit board. The relay set 131 is used to process various original detection signals to form specific detection signals, such as S0, S1, S2, S3, to be provided to the service board 12.
Referring to fig. 6 for illustration, 16 original detection signals are switched to select 4 detection signals, which are provided to the service board 12 as detection signals. The 16 raw detection signals include: the square wave signal sampling circuit comprises a +5V square wave signal sampling circuit, a common line, a resistor with 140 ohms and sampling, a resistor with 50 ohms and sampling, a resistor with 25 ohms, an adjustable power supply, a power supply, from-15V to +15V, a resistor with 10K, a ground and sampling circuit, a resistor with 1K, a resistor with 24V and sampling, square wave frequency and maximum amplitude detection and four square wave signals. The four square wave signals include: the square wave signal with the frequency of 1K, the amplitude of 5V and the bias of 2.5V, the square wave signal with the frequency of 0.6KHZ, the amplitude of 10V and the bias of 2.5V, and the square wave signal with the frequency of 10K, the amplitude of 5V and the bias of 2.5V are all 277.7 Hz. It will be appreciated by those skilled in the art that the above detection signals are merely illustrative and that in practical applications other detection signals may be used depending on the specific detection requirements.
The multimeter board 14 is disposed in a multimeter board slot 114 for performing a multimeter function, i.e., for measuring voltage, current, and resistance. As will be appreciated by those skilled in the art, multimeters are commonly used in the testing process, and the present embodiment integrates multimeter functionality into the circuit board testing system 10 to facilitate the testing process.
The display screen 15 is electrically connected to the base plate 11 through a plurality of third banana head interfaces 117, so as to interact with the multimeter board 14 to display the related content of the multimeter board 14.
The power module 17 is used for converting an ac power to a dc power to supply the backplane 11, the service board 12, the main control board 13, and the multimeter board 14.
The at least one heat dissipation module 18 may be a fan or other heat sink to dissipate heat from the boards to prevent the circuit board inspection system 10 from overheating.
The cover 19 and the bottom plate 11 cooperate to form an accommodating space 190, so as to accommodate the plurality of service boards 12, the main control board 13 and the multimeter board 14 in the accommodating space 190, and play a role in protecting the bottom plate 11, the service boards 12, the main control board 13 and the multimeter board 14. The material and shape of the cover 19 are not limited, and the cover has good heat dissipation performance. For example, it may be made of aluminum material, and has a rectangular box shape, and forms a substantially sealed rectangular parallelepiped housing space 190 in cooperation with the rectangular bottom plate 11. The cover 19 and the base plate 11 may be fixed by snap fit, by gluing, by welding or by other means.
It can be understood that the circuit board detection system 10 is further connected to a processor, the processor is internally provided with control software, a user sends out a detection instruction through the control software, and the detection instruction is transmitted to the circuit board detection system 10 through the processor, so as to perform a detection process of the circuit board for railway. Of course, the detection structure is also output to the processor and fed back to the control software.
In the circuit board detection system 10 of the present application, the detection area 110 is in butt joint with the contact pin of the railway circuit board, the main control board 13 distributes the detection instruction to each service board 12, and the relay matrix of each service board 12 can implement processing of various detection signals and detect each contact pin of the railway circuit board according to the corresponding detection signal. Therefore, the detection of all contact pins of the railway circuit board can be efficiently and accurately finished at one time, and the processing efficiency is improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solutions of the present disclosure, not to limit them; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.

Claims (9)

1. A circuit board detection system is used for detecting a circuit board for a railway system, and is characterized in that the circuit board for the railway system comprises a plurality of contact pins arranged in an array, and the circuit board detection system comprises:
the detection area comprises a plurality of jacks distributed in an array, the jacks distributed in the array correspond to the pins distributed in the array one to one so that a circuit board for the railway system can be inserted for detection, the plurality of service board slots and the main control board slot are sequentially arranged below the detection area, at least one first banana head interface is arranged on each of two sides of each service board slot, and a connecting circuit is arranged in the bottom plate to electrically connect each jack and each slot; the circuit board detection system also comprises a multimeter board which is electrically connected with the bottom plate through the second banana head interfaces;
the plurality of service boards and the plurality of service board slots are correspondingly inserted into the plurality of service board slots one by one, and each service board comprises a plurality of relays to process detection signals;
the main control board is arranged in the main control board slot and comprises a processor for distributing detection instructions; and
the cover body is matched with the bottom plate to form an accommodating space so as to accommodate the plurality of service boards and the main control board in the accommodating space.
2. The circuit board inspection system of claim 1, further comprising a power module that converts ac power to dc power.
3. The circuit board inspection system of claim 1, further comprising at least one heat sink module, the at least one heat sink module being a fan.
4. The circuit board inspection system of claim 1, wherein said backplane further comprises a multimeter board slot, said multimeter board being disposed within said multimeter board slot for performing a multimeter function.
5. The circuit board inspection system of claim 4, wherein said multimeter board slot is adjacent to a master board slot.
6. The circuit board inspection system according to claim 4, wherein the base plate further comprises a plurality of third banana head interfaces, and the circuit board inspection system further comprises a display screen electrically connected to the base plate through the plurality of third banana head interfaces.
7. The circuit board inspection system of claim 6, wherein said third plurality of banana head interfaces are adjacent to said multimeter board slot.
8. The circuit board inspection system of claim 1, wherein the plurality of second banana head interfaces are adjacent to the master control board slot.
9. The circuit board detection system according to claim 1, wherein the base plate further comprises a plurality of fourth banana head interfaces as interfaces for external output power.
CN201821976163.3U 2018-11-28 2018-11-28 Circuit board detection system Expired - Fee Related CN210015195U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821976163.3U CN210015195U (en) 2018-11-28 2018-11-28 Circuit board detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821976163.3U CN210015195U (en) 2018-11-28 2018-11-28 Circuit board detection system

Publications (1)

Publication Number Publication Date
CN210015195U true CN210015195U (en) 2020-02-04

Family

ID=69311865

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821976163.3U Expired - Fee Related CN210015195U (en) 2018-11-28 2018-11-28 Circuit board detection system

Country Status (1)

Country Link
CN (1) CN210015195U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20200204

Termination date: 20201128