A display control driving board card
By designing a display and control driver board that includes a power module, a DIP switch conversion module, and a main control module, the problems of domestic production requirements and driving multiple types and quantities of digital tubes in existing technologies have been solved, achieving cost reduction and functional expansion.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING CSSC HANGUANG INFORMATION TECH CO LTD
- Filing Date
- 2025-08-08
- Publication Date
- 2026-07-17
AI Technical Summary
Existing display control driver boards cannot meet the needs of domestic production, and different types and quantities of display control driver boards are required to drive different types of digital tubes, resulting in increased design and maintenance costs.
A display control driver board was designed, including a power module, a DIP switch conversion module, a main control module, and a display control driver module. The board enables autonomous selection through combinations of DIP switches. The main control module identifies and controls the display control driver module to drive different types and quantities of digital tubes. Domestically produced chips are used.
It enables the driving functions of multiple types and quantities of digital tubes on the display control driver board under the condition of domestic chip production, reducing design and maintenance costs.
Smart Images
Figure CN224519483U_ABST
Abstract
Claims
1. A display control driver board, characterized in that, The display control driver board includes a power module (1), a DIP switch conversion module (2), a main control module (3) and a display control driver module (4), and the power module (1) is electrically connected to the DIP switch conversion module (2), the main control module (3) and the display control driver module (4) in sequence; The power module (1) is used to convert the externally supplied power into the voltage required by the chips on the board. The DIP switch conversion module (2) serves as the input of the board and is used to combine DIP switches; The main control module (3) is used to identify the DIP switch combination output by the DIP switch conversion module (2), select the working mode corresponding to the identification result and output it to the display control drive module (4). The display control driver module (4) is used to execute the working mode output by the main control module (3) to drive the digital tube display.
2. The display control driving board card according to claim 1, characterized in that, The power module (1) includes a power conversion module (101), a voltage regulation conversion module (102), a status indication module (103), and a filtering module (104). The power conversion module (101) is electrically connected in sequence to the voltage regulation conversion module (102), the status indication module (103), and the filter module (104); The power conversion module (101) is used to convert the power supply into DC voltage output through boost conversion and isolation control; The voltage regulator module (102) is used to step down 5V to 3.3V; The status indication module (103) is used to visualize the power status; The filtering module (104) is used to form a filtering network with several capacitors to maintain power supply stability.
3. The display control driving board card according to claim 2, characterized in that, The power conversion module (101) includes chip U13, resistors R2 and R3, transistor Q2, diode D13, capacitors C6 and C7, resistor R7, diode D12, capacitor C8, resistor R9, capacitor C9, capacitor C42, capacitor C39, capacitor C40, capacitor C43, resistor R19, resistor R20, resistor R4, resistor R5, diode D11, MOSFET Q3, resistors R8, resistor R10, resistor R15, resistor R16, resistor R18, diode D14, MOSFET Q4, capacitors C5, C3, C4, C37, C10, C38, inductor L2, resistors R36, R37, C44, resistor R38, and resistor R39; The first pin of chip U13 is connected to one end of capacitor C7 and connected to VCC_5.0V. The other end of capacitor C7 is grounded. The second pin of chip U13 is connected to one end of resistor R7. The other end of resistor R7 is connected to the emitter of transistor Q2, one end of capacitor C6, the anode of diode D12, one end of capacitor C39, one end of capacitor C40, and the twelfth pin of chip U13. The other end of capacitor C6 is grounded. The other end of capacitor C39 is connected to capacitor C40. The other end of 0 is connected to the eleventh pin of the chip U13 and grounded. The base of the transistor Q2 is connected to one end of the resistor R2 and the cathode of the diode D13. The anode of the diode D13 is grounded. The other end of the resistor R2 is connected to one end of the resistor R3, the drain of the field-effect transistor Q3, one end of the capacitor C5, one end of the capacitor C3, and one end of the capacitor C4 and connected to a DC-24V power supply. The other end of the capacitor C5 is grounded. The other end of the capacitor C3 is connected to the other end of the capacitor C4 and grounded. The collector of transistor Q2 is connected to the other end of resistor R3. The cathode of diode D12 is connected to the fifteenth pin of chip U13 and one end of capacitor C8. The other end of capacitor C8 is connected to the fourteenth pin of chip U13, one end of resistor R9, one end of resistor R10, one end of resistor R15, one end of inductor L2, and the drain of field-effect transistor Q4. The other end of resistor R9 is connected to the thirteenth pin of chip U13 and one end of resistor R8. The other end of resistor R8 is connected to the source of field-effect transistor Q3 and the other end of resistor R10. The gate of field-effect transistor Q3 is connected to one end of resistor R4 and the anode of diode D11. The cathode of diode D11 is connected to one end of resistor R5. The other end of resistor R5 is connected to the other end of resistor R4 and the sixteenth pin of chip U13. The other end of resistor R15 is connected to one end of resistor R20 and the ninth pin of chip U13, respectively. The other end of resistor R20 is connected to VCC_5.0V. The source of field-effect transistor Q4 is grounded. The gate of field-effect transistor Q4 is connected to one end of resistor R16 and the anode of diode D14, respectively. The cathode of diode D14 is connected to one end of resistor R18. The other end of resistor R18 is connected to the other end of resistor R16 and the tenth pin of chip U13, respectively. The other end of inductor L2 is connected to one end of resistor R36, one end of resistor R37, one end of capacitor C38, one end of capacitor C10, and the capacitor... One end of C37 is connected to DC_5.0V. The other end of resistor R36 is connected to one end of capacitor C44. The other end of capacitor C44 is connected to one end of resistor R38, one end of resistor R39, the other end of resistor R37, the eighth pin of chip U13, and one end of resistor R19. The other end of resistor R19 is connected to one end of capacitor C43. The other end of capacitor C43 is connected to the seventh pin of chip U13. The other end of capacitor C38 is connected to the other ends of capacitor C10 and capacitor C37 and grounded. The other end of resistor R38 is connected to the other end of resistor R39 and grounded. The third pin of the chip U13 is connected to the fifth pin, one end of the capacitor C9, and one end of the capacitor C42 and grounded. The other end of the capacitor C9 is connected to the fourth pin of the chip U13, and the other end of the capacitor C42 is connected to the sixth pin of the chip U13.
4. The display control driving board card according to claim 3, characterized in that, The voltage regulation conversion module (102) includes a linear regulator U14, capacitor C45, capacitor C46, capacitor C47 and capacitor C48; The first pin of the linear regulator U14 is connected to one end of capacitor C45 and one end of capacitor C46 and grounded. The other end of capacitor C45 is connected to the other end of capacitor C46 and the third pin of the linear regulator U14 and connected to DC_5.0V. The second pin of the linear regulator U14 is connected to the fourth pin, one end of capacitor C47 and one end of capacitor C48 and connected to DC_3.3V. The other end of capacitor C47 is connected to the other end of capacitor C48 and grounded.
5. The display control driving board card according to claim 4, characterized in that, The status indication module (103) includes LED2, LED3, resistor R17 and resistor R72; The positive terminal of the light-emitting diode LED2 is connected to DC_5.0V, the negative terminal of the light-emitting diode LED2 is connected to one end of the resistor R17, and the other end of the resistor R17 is grounded; The positive terminal of the light-emitting diode LED3 is connected to DC_3.3V, the negative terminal of the light-emitting diode LED3 is connected to one end of the resistor R72, and the other end of the resistor R72 is grounded.
6. The display control driving board card according to claim 5, characterized in that, The filtering module (104) includes capacitors C49, C50, C52, C53, C54, C55, C56 and C57. One end of capacitor C49 is connected to DC_3.3V, the other end of capacitor C49 is grounded, and capacitor C49 is connected in parallel with capacitors C50, C52, C53, C54, C55, C56 and C57.
7. The display control driving board card according to claim 1, wherein, The DIP switch conversion module (2) includes switch S3, resistor R75, resistor R76, resistor R77 and resistor R78; The first to fourth pins of the switch S3 are all grounded. The fifth to eighth pins of the switch S3 are respectively connected to one end of resistor R75, one end of resistor R76, one end of resistor R77 and one end of resistor R78. The other end of resistor R75 is connected to the other end of resistor R76, the other end of resistor R77 and the other end of resistor R78 and connected to DC_3.3V.
8. The display control driving board card according to claim 1, characterized in that, The DIP switch conversion module (2) includes four DIP switches, and each DIP switch has two selections, namely 0 and 1.