Light source controller with extensible channel

By designing a channel-scalable light source controller and using the stack connection between the main control circuit board and the light source expansion board, the problem of existing light source controllers needing to be redesigned when increasing the number of channels is achieved, and efficient light source control and simplified production process are achieved.

CN223040197UActive Publication Date: 2025-06-27SHANDONG DIEHUI INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422163800.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-06-27
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

The existing light source controller needs to be redesigned when increasing the number of channels, resulting in insufficient modular design and poor scalability, which cannot meet the working requirements of light source control.

Method used

Design a light source controller with a channel expansion, and through the stack connection of the main control circuit board to multiple light source expansion boards, it realizes simultaneous control of up to 127 light source brightness, supports cascaded control of up to 32 light source expansion boards, adopts a modular design and a unified power, communication and control interface to ensure compatibility and interoperability between modules.

Benefits of technology

It enables quick assembly of circuit boards of multiple channel specifications without re-made circuit boards, simplifying product development and production cycles, improving production efficiency, and supporting plug-and-play and automated testing to ensure compatibility between new channels and existing systems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of light source control, and discloses a light source controller with an extensible channel, which comprises an upper shell, a lower shell is arranged at the lower part of the upper shell, a front panel is connected to the front part of the lower shell, a rear panel is connected to the rear part of the lower shell, and a switching power supply is arranged in the middle of the top of the lower shell; the main control circuit board is inserted into the front panel, copper columns are connected to the four corners of the rear portion of the main control circuit board, and light source expansion boards are connected to the outer ends of the copper columns. According to the light source controller with the extensible channels, each light source expansion board is externally connected with four paths of light sources, the brightness of each path of light source can be independently controlled, and one main control circuit board can be connected with a plurality of light source expansion boards in a stacked mode through four copper columns, one light source expansion female terminal and a light source expansion male terminal. The brightness of at most 127 paths of light sources can be controlled at the same time, and the compatibility and interoperability between the modules are ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of light source control, and specifically relates to a light source controller with expandable channels. Background Art

[0002] Light source controllers play a crucial role in vision projects. By precisely managing and controlling light sources, high-quality image capture and processing, dynamic scene adaptation, energy conservation and consumption reduction, as well as improving the safety and reliability of the system are achieved. It not only optimizes the performance of the vision system but also provides flexible and efficient lighting solutions for various application scenarios.

[0003] Common analog light source controllers and existing digital light source controllers have problems such as complex operation, insufficient control precision, slow response speed, etc. At the same time, the commonly used light source controllers support a small number of channels (such as 4 channels or 8 channels), and the design leads to the need for re-design for each additional channel, that is, there are deficiencies in modular design and poor scalability, which cannot meet the working requirements of light source control. Therefore, a light source controller with expandable channels is proposed. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides a light source controller with expandable channels to solve the technical problems of the need for re-design for each additional channel, that is, there are deficiencies in modular design and poor scalability.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solutions: A light source controller with expandable channels, comprising:

[0008] An upper housing, a lower housing is installed at the lower part of the upper housing, a front panel is connected to the front of the lower housing, a rear panel is connected to the rear of the lower housing, and a switching power supply is installed at the middle position of the top of the lower housing;

[0009] A main control circuit board, which is inserted inside the front panel. Copper columns are connected to the four corners at the rear of the main control circuit board, and light source expansion boards are connected to the outer ends of the copper columns. A digital tube is installed on the left side of the front of the main control circuit board, and buttons are installed at the position below the digital tube on the front of the main control circuit board;

[0010] The communication interface is installed on the front right side of the main control circuit board. A DIP switch is installed at the position on the left side of the communication interface at the front of the main control circuit board. A light source terminal mounting plate is inserted on the right side inside the rear panel. A trigger expansion board is installed at the position below the light source terminal mounting plate inside the rear panel. A channel light source interface is opened inside the light source terminal mounting plate. The number of the channel light source interfaces is 4 or 8 groups and is expanded in multiples of 4. A power socket is inserted at the position on the left side of the light source terminal mounting plate inside the rear panel. A second trigger terminal is installed on the lower side inside the rear panel;

[0011] The first trigger cable terminal is installed on the outside of the trigger expansion board. The first trigger terminal is installed on the inside of the trigger expansion board. A program download terminal is installed on the upper side at the rear of the light source expansion board. A second trigger cable terminal is installed at the position on the right side of the program download terminal at the rear of the light source expansion board;

[0012] The light source expansion male terminal is installed on the front left side of the light source expansion board. The light source expansion female terminal is installed on the rear right side of the main control circuit board.

[0013] Preferably, an indicator light is installed on the front left side of the main control circuit board. An MOS tube is installed on the front right side of the light source expansion board. A light source connection terminal is installed on the rear right side of the light source expansion board.

[0014] Preferably, a first single-chip microcomputer is installed on the upper side at the front of the light source expansion board. An address selection resistor is installed on the lower side at the front of the light source expansion board. An optocoupler isolation IC is installed at the position on the right side of the light source expansion male terminal at the front of the light source expansion board.

[0015] Preferably, a second single-chip microcomputer is installed at the middle position on the rear of the main control circuit board. A crystal oscillator is installed at the position below the second single-chip microcomputer on the rear of the main control circuit board. A power supply terminal is installed at the upper left corner on the rear of the main control circuit board.

[0016] Preferably, a first filter capacitor is installed at the position below the power supply terminal on the rear of the main control circuit board. A step-down IC is installed at the position below the first filter capacitor on the rear of the main control circuit board. A communication IC is installed at the position on the right side of the step-down IC on the rear of the main control circuit board. A second filter capacitor is installed at the lower left corner on the rear of the main control circuit board.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the present utility model provides a light source controller with expandable channels, having the following beneficial effects:

[0019] The expandable light source controller for this channel can externally connect 4 light sources through each light source expansion board, and can independently control the brightness of each light source. A main control circuit board can be stacked and connected to multiple light source expansion boards through 4 copper posts, a female light source expansion terminal, and male light source expansion terminals, achieving simultaneous control of up to 127 light sources. Therefore, one main control circuit board can support cascade control of up to 32 light source expansion boards, enabling the channel control unit to be designed as a standard module (such as a 4-channel module). Each module can work independently and is easy to combine. A unified power supply, communication, and control interface are designed to ensure compatibility and interoperability between modules. The function of automatic identification and configuration of modules is implemented in the firmware, supporting plug-and-play. Based on this design, circuit boards with various channel specifications can be quickly assembled without remaking the circuit board, simplifying the product R & D cycle and production cycle, greatly improving production efficiency. At the same time, modular design is adopted, facilitating code expansion and maintenance. Automated testing tools are used to improve testing efficiency and ensure the compatibility of new channels with existing systems. More importantly, in terms of channel settings, based on 4 channels, it is easy to expand to 8 channels, 16 channels, and up to 4N channels, where N is a natural number, especially suitable for use in complex and high-end machine vision devices with a large demand for the number of light sources. Description of the Drawings

[0020] Figure 1 Schematic structural diagram of the present utility model;

[0021] Figure 2 Schematic structural diagram of the lower housing, front panel, and rear panel of the present utility model;

[0022] Figure 3 Schematic structural diagram of the trigger terminal of the present utility model;

[0023] Figure 4 Schematic structural diagram between the front panel and the rear panel of the present utility model;

[0024] Figure 5 Schematic three-dimensional structural diagram of the main control circuit board of the present utility model;

[0025] Figure 6 Schematic structural diagram of the light source expansion board of the present utility model;

[0026] Figure 7 Schematic structural diagram of the main control circuit board of the present utility model;

[0027] Figure 8 Schematic planar structural diagram of the light source expansion board of the present utility model;

[0028] Figure 9 Schematic structural diagram of the main control circuit board and the light source expansion board of the present utility model;

[0029] Figure 10 This is a schematic diagram of the trigger expansion board structure of the present utility model.

[0030] In the figure: 1. Upper shell; 2. Lower shell; 3. Ventilation opening; 4. Front panel; 5. Rear panel; 6. Switching power supply; 7. Digital tube; 8. Button; 9. Communication interface; 10. DIP switch; 11. Light source terminal mounting plate; 12. Trigger expansion board; 121. First trigger terminal; 13. Power socket; 14. Second trigger terminal; 15. Main control circuit board; 16. Copper pillar; 17. Light source expansion board; 18. First trigger cable terminal; 19. Indicator light; 20. Program download terminal; 21. Second trigger cable terminal; 22. MOS tube; 23. Light source connection terminal; 24. First single-chip microcomputer; 25. Light source expansion male terminal; 26. Address selection resistor; 27. Optocoupler isolation IC; 28. Second single-chip microcomputer; 29. Crystal oscillator; 30. Light source expansion female terminal; 31. Power supply terminal; 32. First filter capacitor; 33. Step-down IC; 34. Communication IC; 35. Second filter capacitor. Specific embodiments

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] The present utility model provides a technical solution, a light source controller with expandable channels, including an upper shell 1, a lower shell 2, a ventilation opening 3, a front panel 4, a rear panel 5, a switching power supply 6, a digital tube 7, a button 8, a communication interface 9, a DIP switch 10, a light source terminal mounting plate 11, a trigger expansion board 12, a first trigger terminal 121, a power socket 13, a second trigger terminal 14, a main control circuit board 15, a copper pillar 16, a light source expansion board 17, a first trigger cable terminal 18, an indicator light 19, a program download terminal 20, a second trigger cable terminal 21, a MOS tube 22, a light source connection terminal 23, a first single-chip microcomputer 24, a light source expansion male terminal 25, an address selection resistor 26, an optocoupler isolation IC 27, a second single-chip microcomputer 28, a crystal oscillator 29, a light source expansion female terminal 30, a power supply terminal 31, a first filter capacitor 32, a step-down IC 33, a communication IC 34, and a second filter capacitor 35:

[0033] Please refer to Figure 1 and Figure 2 , the lower part of the upper shell 1 is provided with a lower shell 2, the front part of the lower shell 2 is connected with a front panel 4, the rear part of the lower shell 2 is connected with a rear panel 5, and a switching power supply 6 is installed at the middle position of the top of the lower shell 2;

[0034] Please refer to Figure 5 , the main control circuit board 15 is inserted inside the front panel 4. Please refer to Figure 4 , copper columns 16 are connected to the four corners at the rear of the main control circuit board 15, and light source expansion boards 17 are connected to the outer ends of the copper columns 16. Please refer to Figure 5 , a digital tube 7 is installed on the left side at the front of the main control circuit board 15, and a button 8 is installed at the position below the digital tube 7 at the front of the main control circuit board 15;

[0035] A communication interface 9 is installed on the right side at the front of the main control circuit board 15, and a DIP switch 10 is installed at the position to the left of the communication interface 9 at the front of the main control circuit board 15. Please refer to Figure 2 , a light source terminal mounting board 11 is inserted inside the right side of the rear panel 5, and a trigger expansion board 12 is installed at the position below the light source terminal mounting board 11 inside the rear panel 5. A channel light source interface is provided inside the light source terminal mounting board 11, and the number of the channel light source interfaces is 4 or 8 groups and is expanded in multiples of 4. A power socket 13 is inserted at the position to the left of the light source terminal mounting board 11 inside the rear panel 5. Please refer to Figure 3 , a second trigger terminal 14 is installed at the lower side inside the rear panel 5;

[0036] Please refer to Figure 10 , a first trigger cable terminal 18 is installed outside the trigger expansion board 12, and a first trigger terminal 121 is installed inside the trigger expansion board 12. Please refer to Figure 6 , a program download terminal 20 is installed on the upper side at the rear of the light source expansion board 17, and a second trigger cable terminal 21 is installed at the position to the right of the program download terminal 20 at the rear of the light source expansion board 17;

[0037] Please refer to Figures 1 to 10 , a light source expansion male terminal 25 is installed on the left side at the front of the light source expansion board 17, and a light source expansion female terminal 30 is installed on the right side at the rear of the main control circuit board 15;

[0038] An indicator light 19 is installed on the left side of the front part of the main control circuit board 15. A MOS tube 22 is installed on the right side of the front part of the light source expansion board 17. A light source connection terminal 23 is installed on the right side of the rear part of the light source expansion board 17. A first single-chip microcomputer 24 is installed on the upper side of the front part of the light source expansion board 17. An address selection resistor 26 is installed on the lower side of the front part of the light source expansion board 17. An optocoupler isolation IC 27 is installed at a position on the front part of the light source expansion board 17 to the right of the light source expansion male terminal 25. A second single-chip microcomputer 28 is installed at the middle position of the rear part of the main control circuit board 15. A crystal oscillator 29 is installed at a position on the rear part of the main control circuit board 15 below the second single-chip microcomputer 28. A power supply terminal 31 is installed at the upper left corner of the rear part of the main control circuit board 15. A first filter capacitor 32 is installed at a position on the rear part of the main control circuit board 15 below the power supply terminal 31. By externally connecting 4 channels of light sources to each light source expansion board 17, the brightness of each channel of light source can be controlled independently. One main control circuit board 15 can be stacked and connected to multiple light source expansion boards 17 through 4 copper columns 16, one light source expansion female terminal 30 and the light source expansion male terminal 25 to achieve simultaneous control of up to 127 channels of light source brightness. Therefore, one main control circuit board 15 can support cascaded control of up to 32 light source expansion boards 17, enabling the channel control unit to be designed as a standard module such as a 4-channel module. Each module can work independently and is easy to combine. Design a unified power supply, communication, and control interface to ensure compatibility and interoperability between modules. Implement the automatic identification and configuration function of the module in the firmware to support plug and play. Based on this design, various channel specifications of circuit boards can be quickly assembled without remaking the circuit board, simplifying the product R & D cycle and production cycle, greatly improving production efficiency. At the same time, the modular design facilitates code expansion and maintenance. Use an automated test tool to improve test efficiency and ensure the compatibility of the newly added channels with the existing system. A step-down IC 33 is installed at a position on the rear part of the main control circuit board 15 below the first filter capacitor 32. A communication IC 34 is installed at a position on the rear part of the main control circuit board 15 to the right of the step-down IC 33. A second filter capacitor 35 is installed at the lower left corner of the main control circuit board 15.

[0039] In this solution, each light source expansion board 17 is externally connected to 4 light sources, and the brightness of each light source can be controlled independently. A main control circuit board 15 can be stacked and connected to multiple light source expansion boards 17 through 4 copper posts 16, a light source expansion female terminal 30, and a light source expansion male terminal 25 to achieve simultaneous control of up to 127 light sources. Therefore, one main control circuit board 15 can support cascade control of up to 32 light source expansion boards 17, enabling the channel control unit to be designed as a standard module such as a 4-channel module. Each module can work independently and is easy to combine. A unified power supply, communication, and control interface are designed to ensure compatibility and interoperability between modules. The automatic identification and configuration functions of the modules are implemented in the firmware to support plug-and-play. Based on this design, circuit boards with multiple channel specifications can be quickly assembled without remaking the circuit board, simplifying the product R & D cycle and production cycle, greatly improving production efficiency. At the same time, modular design is adopted, which is convenient for code expansion and maintenance, and automated test tools are used to improve test efficiency.

[0040] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A channel expandable light source controller, characterized in that: include: An upper housing (1), a lower housing (2) being mounted at the lower portion of the upper housing (1), a front panel (4) being connected to the front portion of the lower housing (2), a rear panel (5) being connected to the rear portion of the lower housing (2), and a switch power supply (6) being mounted at the middle position of the top of the lower housing (2); A main control circuit board (15) is inserted into the front panel (4); the four rear corners of the main control circuit board (15) are connected to copper pillars (16); the outer ends of the copper pillars (16) are connected to light source expansion boards (17); a digital tube (7) is installed on the left side of the front of the main control circuit board (15); and a key (8) is installed at the front of the main control circuit board (15) below the digital tube (7); A communication interface (9) is installed on the right side of the front of the main control circuit board (15); a dial switch (10) is installed on the front of the main control circuit board (15) at a position on the left side of the communication interface (9); a light source terminal mounting plate (11) is inserted on the right side of the interior of the rear panel (5); a trigger expansion plate (12) is installed on the interior of the rear panel (5) at a position below the light source terminal mounting plate (11); a channel light source interface is provided on the interior of the light source terminal mounting plate (11); the number of the channel light source interfaces is 4 or 8 groups, and is expanded in multiples of 4; a power socket (13) is inserted on the interior of the rear panel (5) at a position on the left side of the light source terminal mounting plate (11); and a second trigger terminal (14) is installed on the lower side of the interior of the rear panel (5); A first trigger cable terminal (18) is installed on the outside of the trigger expansion board (12); a first trigger terminal (121) is installed on the inside of the trigger expansion board (12); a program download terminal (20) is installed on the upper rear side of the light source expansion board (17); and a second trigger cable terminal (21) is installed on the rear of the light source expansion board (17) at a position to the right of the program download terminal (20); The light source expansion male terminal (25) is installed on the front left side of the light source expansion board (17), and the light source expansion female terminal (30) is installed on the rear right side of the main control circuit board (15).

2. A channel expandable light source controller according to claim 1, characterized in that: An indicator light (19) is installed on the left front portion of the main control circuit board (15), a MOS tube (22) is installed on the right front portion of the light source expansion board (17), and a light source connection terminal (23) is installed on the right rear portion of the light source expansion board (17).

3. The channel expandable light source controller according to claim 1, characterized in that: A first single-chip computer (24) is installed on the upper front side of the light source expansion board (17), an address selection resistor (26) is installed on the lower front side of the light source expansion board (17), and an optical coupler isolation IC (27) is installed on the front side of the light source expansion board (17) at a position to the right of the light source expansion male terminal (25).

4. The channel expandable light source controller according to claim 1, characterized in that: A second single-chip computer (28) is installed in the middle of the rear of the main control circuit board (15), a crystal oscillator (29) is installed at a position below the second single-chip computer (28) at the rear of the main control circuit board (15), and a power supply terminal (31) is installed at the upper left corner of the rear of the main control circuit board (15).

5. The channel expandable light source controller according to claim 1, characterized in that: A first filter capacitor (32) is installed at a position below the power supply terminal (31) at the rear of the main control circuit board (15); a step-down IC (33) is installed at a position below the first filter capacitor (32) at the rear of the main control circuit board (15); a communication IC (34) is installed at a position to the right of the step-down IC (33) at the rear of the main control circuit board (15); and a second filter capacitor (35) is installed at the rear lower left corner of the main control circuit board (15).