Rapid detection device for core board production function
By using a common cathode 8-digit LED display and a specific testing program, the problems of complexity and low efficiency in traditional core board testing methods have been solved, enabling rapid testing of core board functions and improving the efficiency of mass production.
Patent Information
- Application Number
- CN202422961299.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Traditional core board production and testing methods are complex and inefficient, especially in mass production, which takes a long time and affects production efficiency.
By employing multiple sets of common cathode 8-digit LED displays and a specific test program, and controlling the output level signals of the control chip's drive pins, rapid testing of the core board's functions can be achieved.
It enables rapid testing of core board functions, improves testing efficiency, is particularly suitable for mass production, and saves testing time.
Smart Images
Figure CN223911008U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to core board detection technical field especially relates to a core board production function quick detection device. BACKGROUND
[0002] As a kind of integrated circuit board, core board is also called development board, and it is the essential tool for electronic engineer to develop embedded system, and core board has the advantages of small volume, high integration, strong maintainability and continuation, short product development cycle, open source design and easy scalability, and is mainly applied in embedded system development, industrial control, intelligent transportation, medical treatment, security and aerospace fields.
[0003] Traditional core board production test usually needs to be loaded into finished product, and each function test is carried out through liquid crystal display and button, to determine whether core board is welded correctly, this method is not only complex, but also low in efficiency, especially in mass production, test process is time-consuming, which affects production efficiency. UTILITY MODEL CONTENT
[0004] The utility model provides a kind of core board production function quick detection device, by using multiple groups of common cathode 8 character nixie tube and specific test program, the quick detection of core board function can be realized, greatly improve production efficiency, effectively solve the technical problem proposed in the above background technique.
[0005] The utility model provides the following technical scheme as follows.
[0006] A kind of core board production function quick detection device, including core board body, still include printed board, nixie tube module, test tool and thimble module, nixie tube module is arranged on printed board, thimble module is arranged on test tool, thimble module is used to connect nixie tube module with core board body, core board body has test program in it, by driving test program to run, to control nixie tube module to display.
[0007] Further, nixie tube module is composed of several common cathode 8 character nixie tubes, several common cathode 8 character nixie tubes are arranged in array on printed board, terminal strip is further provided on printed board, and the seven segment LED of each common cathode 8 character nixie tube is connected into terminal strip by 75Ω current-limiting resistor.
[0008] Further, thimble module is composed of several copper thimbles, and several copper thimbles are arranged in array on test tool, and one end of each test tool is connected with the corresponding connecting portion of terminal strip by wire.
[0009] Further, control chip and several arrayed pins are provided on core board body, and each pin is in one-to-one contact type cooperation with each copper thimble.
[0010] Further, the control chip is programmed to have a test degree, and each pin is used as a GPIO port when being in contact with the copper thimble.
[0011] Further, the model of each common cathode 8-shaped digital tube is BSBS201, and the model of each wire is AWG24 cable.
[0012] Compared with the prior art, the core board production function rapid detection device has the following beneficial effects.
[0013] The core board production function rapid detection device provided by the present application can realize rapid detection of the core board function, greatly improve the detection efficiency, save the test working hours, and is particularly suitable for mass production test procedures. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of the present application;
[0015] Figure 2 It is a principle block diagram of the core board production function rapid detection device;
[0016] Figure 3 It is a partial control circuit diagram of the core board production function rapid detection device;
[0017] Figure 4 It is a principle diagram of the present application. CONCRETE IMPLEMENTATION
[0018] Please refer to Figures 1-4 The core board production function rapid detection device provided by the present application comprises a printed board 1, a digital tube module 2, a common cathode 8-shaped digital tube 21, a terminal row 3, a test tool 4, a thimble module 5, a copper thimble 6, a wire 7, a core board body 8, a control chip 81 and a pin 82.
[0019] In the description of the embodiments of the utility model, need explanation, unless another explicit provision and limitation, term, "connect", "install" should do broad sense understanding, for example, "connect" can be detachably connected, also can be not detachably connected, can be direct connection, also can be indirectly connected through intermediate medium. In addition, "communication" can be direct communication, also can be indirectly communicated through intermediate medium. Among them, "fix" refers to each other connection and the relative position relation of connection is invariable. The orientation language mentioned in the embodiments of the utility model, for example, "in", "out", "top", "bottom" and so on, only reference the direction of the drawing, therefore, the orientation language used is for better, more clearly explain and understand the embodiments of the utility model, and is not indicated or implied that the device or element indicated must have a particular orientation, structure and operation with a particular orientation, therefore, cannot be understood as the limitation of the embodiments of the utility model.
[0020] In the embodiments of the utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include one or more features.
[0021] In the embodiments of the utility model, "and / or" is only a description of the association relationship of the associated object, which means that there can be three kinds of relationships, for example, A and / or B, which can mean that A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" relationship.
[0022] Among them, the nixie tube module 2 is arranged on the printed board 1, the pin module 5 is arranged on the test tooling 4, the pin module 5 is used to connect the nixie tube module 2 with the core plate body 8, the core plate body 8 has a test program inside, which is driven to run to control the nixie tube module 2 to display.
[0023] Specifically, the nixie tube module 2 is composed of a plurality of BS201 common cathode 8-shaped nixie tubes 21, a plurality of common cathode 8-shaped nixie tubes 21 are arranged in an array on the printed board 1, and the printed board 1 is also provided with a terminal row 3, and seven segment LEDs of each common cathode 8-shaped nixie tube 21 are connected to the terminal row 3 through a 75Ω current limiting resistor.
[0024] The top pin module 5 is composed of a plurality of copper top pins 6, the plurality of copper top pins 6 are arranged in an array on the test tool 4, one end of each test tool 4 is connected with the corresponding connecting part of the terminal row 3 through a wire 7 with a model of AWG24, the wire 7 adopts a cable with a model of AWG24, the stability of signal transmission can be ensured, so that the connection between the copper top pin 6 and each common cathode 8 character digital tube 21 is stably realized, in addition, the plurality of copper top pins 6 are arranged in an array on the test tool 4, so that each copper top pin 6 can accurately contact the pin 82.
[0025] The core board body 8 is provided with a control chip 81 and a plurality of arrayed pins 82, each pin 82 is in one-to-one corresponding contact type cooperation with each copper top pin 6, in addition, the control chip 81 is programmed and burned with a test degree through C language, each pin 82, when in corresponding contact with the copper top pin 6, serves as a GPIO port and is connected with each common cathode 8 character digital tube 21, outputs a high level for one second and a low level for one second, drives each common cathode 8 character digital tube 21 to display, if all the common cathode 8 character digital tubes 21 display "8", it is indicated that the core board is a good product, if the display is incomplete, it is determined to be a defective product.
[0026] When the core board body 8 is connected to the test device, the test program is started by controlling the copper top pin 6 to press on each pin 82 on the core board body 8, each pin 82 serves as a GPIO port, outputs a high level for one second and a low level for one second, drives each common cathode 8 character digital tube 21 to display the corresponding character, whether the display of the digital tube is complete is observed, and whether the core board body 8 is a good product is judged.
[0027] Compared with the prior art, the utility model provides a simple and rapid core board production function detection device, through using a plurality of common cathode 8 character digital tubes 21 and a specific programmed test program, the rapid detection of the core board function can be realized, the detection efficiency is greatly improved, the test working hours are saved, and it is especially suitable for mass production test procedures.
[0028] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model; in the case of no conflict, the embodiments of the utility model and the features in the embodiments can be combined with each other. Therefore, the protection scope of the utility model should be subject to the protection scope of claims.
Claims
1. A core board production function rapid detection device, comprising a core board body (8), characterized in that: further comprising a printed board (1), a nixie tube module (2), a test tooling (4) and a thimble module (5); the nixie tube module (2) is arranged on the printed board (1), and the thimble module (5) is arranged on the test tooling (4); the thimble module (5) is used for connecting the nixie tube module (2) with the core board body (8); the core board body (8) has a test program therein, and the test program is driven to run to control the nixie tube module (2) to display.
2. The core board production function rapid detection device according to claim 1, characterized in that: the nixie tube module (2) is composed of a plurality of common cathode 8-shaped nixie tubes (21), and the plurality of common cathode 8-shaped nixie tubes (21) are arranged in an array on the printed board (1); the printed board (1) is further provided with a terminal row (3), and seven segment LEDs of each common cathode 8-shaped nixie tube (21) are connected to the terminal row (3) through a 75Ω current limiting resistor.
3. The core board production function rapid detection device according to claim 2, characterized in that: the thimble module (5) is composed of a plurality of copper thimbles (6), and the plurality of copper thimbles (6) are arranged in an array on the test tooling (4); one end of each test tooling (4) is connected to a corresponding connecting part of the terminal row (3) through a wire (7).
4. The core board production function rapid detection device according to claim 3, characterized in that: the core board body (8) is provided with a control chip (81) and a plurality of arrayed pins (82), and each pin (82) is in contact with each copper thimble (6) in a one-to-one corresponding manner.
5. The core board production function rapid detection device according to claim 4, characterized in that: the control chip (81) is programmed and burned with a test degree; each pin (82) is a GPIO port when in contact with the copper thimble (6).
6. The core board production function rapid detection device according to claim 3, characterized in that: each common cathode 8-shaped nixie tube (21) is BS201; and each wire (7) is an AWG24 cable.