WO2019214396A1 - 一种驱动电源、触控黑板及其组合黑板 - Google Patents

一种驱动电源、触控黑板及其组合黑板 Download PDF

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WO2019214396A1
WO2019214396A1 PCT/CN2019/082479 CN2019082479W WO2019214396A1 WO 2019214396 A1 WO2019214396 A1 WO 2019214396A1 CN 2019082479 W CN2019082479 W CN 2019082479W WO 2019214396 A1 WO2019214396 A1 WO 2019214396A1
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processing unit
module
power supply
driving power
voltage
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PCT/CN2019/082479
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English (en)
French (fr)
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赵定平
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江苏欧帝电子科技有限公司
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Publication of WO2019214396A1 publication Critical patent/WO2019214396A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip

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  • the utility model relates to a teaching device of a multimedia classroom, in particular to a driving power source, a touch blackboard and a combination blackboard thereof.
  • the classroom interactive blackboard adopts a large-size LCD screen in the design and production process, and is directly fixed in the frame through the connecting member, and then integrated with the glass blackboard for teaching or various meetings.
  • Smart classroom Interactive Blackboard is a high-tech electronic product that replaces traditional blackboard. It integrates LCD technology, touch technology and computer technology. It also adds writing software and writing pen with precise recognition function to make information processing more. For the sake of convenience, the lecture calculus presentation is more vivid. At present, in the existing intelligent classroom interactive touch blackboard products, the integration effect of the power supply is poor, which makes the production cost high, and the use effect of the blackboard driving power source is poor, which affects the convenient use of the touch blackboard and is in urgent need of improvement.
  • the utility model aims to overcome the deficiencies of the prior art power supply, and provides a driving power source, a touch blackboard and a combination blackboard thereof;
  • the PCBA circuit board can pre-process the commercial power through the pre-processing unit, thereby rectifying the AC voltage into a DC voltage, and performing voltage transformation processing through the voltage processing unit. Integrating the output into the integrated output unit enables integration of the power supply and improves the use of the power supply;
  • One of the touch blackboards using the hot-swappable power supply adopts the above-mentioned driving power source, thereby simplifying the structure of the touch blackboard, realizing the integration of the power source, and improving the use effect of the power source;
  • One of the combination touch blackboards adopts the above-mentioned touch blackboard, which simplifies the structure of the touch blackboard, can improve processing efficiency, reduce processing cost, and improve the use effect.
  • the utility model relates to a driving power source for driving a blackboard.
  • the PCBA circuit board of the driving power source comprises a power interface, a preprocessing unit, a voltage processing unit and an integrated output unit, and the power interface is processed by a preprocessing unit and a voltage processing unit.
  • the voltage processing unit comprises a 5V processing unit and/or a 19V processing unit and/or an LED voltage processing unit; the output of the voltage processing unit is integrated in the integrated output unit.
  • the pre-processing unit comprises a filtering module and a power correction module.
  • the 5V processing unit comprises a FLY topology module and a 5VSB/5V transformer module.
  • the 19V processing unit includes an LLC topology module A and a 19V/19VPC transformer module.
  • the LED voltage processing unit comprises an LLC topology module B and an LED transformer output module.
  • the 5V processing unit includes a PWM controller and a feedback loop
  • the 5VSB/5V transformer module is connected to the FLY topology module via a feedback loop, the PWM controller, or the 19V processing unit includes a PWM controller and a feedback loop.
  • the 19V/19VPC transformer module is connected to the FLY topology module via a feedback loop and a PWM controller; or / and the LED voltage processing unit includes a PWM controller and a feedback loop, and the LED transformer output module is coupled via a feedback loop and a PWM controller.
  • the LLC topology module B is connected.
  • the integrated output unit employs a two-array plug output.
  • the filtering module is an EMI filtering system, the filtering module is configured to rectify the alternating current voltage into a direct current voltage; or/and the power correcting module is a PFC power correcting module.
  • the utility model relates to a touch blackboard using a hot plug power source, which comprises an intelligent driving power source, a control main board and a liquid crystal display screen, wherein the intelligent driving power source is the above driving power source, and the control main board and the liquid crystal display screen respectively are integrated with the integrated output unit.
  • the intelligent drive power is used to supply power to the control board and the LCD screen, and the control board is electrically connected to the LCD screen.
  • a combined touch blackboard of the present invention comprises at least two parallel blackboards, at least one of which is the above-mentioned touch blackboard.
  • the PCBA circuit board of the driving power source comprises a power interface, a preprocessing unit, a voltage processing unit and an integrated output unit, and an output end of the voltage processing unit is integrated in the integrated output
  • the PCBA circuit board can pre-process the commercial power through the pre-processing unit, and then rectify the AC voltage into a DC voltage, and perform voltage transformation processing through the voltage processing unit, and finally integrate the output end into the integrated output unit to realize the power supply. Integration and can improve the use of power;
  • the driving power supply for the touch blackboard of the utility model is connected to the mains through the power plug, and the alternating voltage is rectified into a direct current voltage through the primary EMI filter system of the power source, and the external high level signal triggers the PS. /ON switch, the PFC power correction module is calibrated to turn on the work, convert the power efficiency and raise the voltage to 390Vdc, and provide it to the voltage processing unit for processing, which will convert the primary energy into the set output energy through the transformer, thereby improving the power supply effect. ;
  • the touch blackboard using the hot plug type power supply of the utility model adopts the above driving power source, thereby simplifying the structure of the touch blackboard, realizing the integration of the power source, and improving the use effect of the power source;
  • a combined touch blackboard of the present invention which adopts the above touch blackboard, simplifies the structure of the touch blackboard, can improve processing efficiency, reduce processing cost, and improve use effect.
  • a combined touch blackboard of the utility model, the integrated output unit uses a two-array terminal connection mode, realizes a module belonging to the non-weak electrical connection line, greatly optimized product production process, and the efficiency is obviously improved.
  • FIG. 1 is a schematic structural view of a touch blackboard using a hot plug power supply according to the present invention
  • FIG. 2 is a schematic structural view of a driving power source for a touch blackboard according to the present invention
  • FIG. 3 is a schematic structural view of an integrated output unit for driving power of a touch panel according to the present invention.
  • FIG. 4 is a schematic structural view of a combined touch blackboard according to the present invention.
  • 210 5V processing unit; 211, FLY topology module; 212, 5VSB/5V transformer module;
  • LED voltage processing unit 230, LED voltage processing unit; 231, LLC topology module B; 232, LED transformer output module;
  • 300 integrated output unit; 301, DC power supply module; 302, LED backlight power supply module.
  • the utility model relates to a hot-swappable TV driving power supply technology, which relates to a core integrated circuit technology, which can reduce the cost of the production process and plays an important role in the design of the touch blackboard.
  • a driving power supply for a touch panel of the present invention the PCBA circuit board of the driving power source includes a power interface 110, a preprocessing unit 120, a voltage processing unit, and an integrated output unit 300, and the power interface 110
  • the power interface 110 is connected to the power plug, so that the power interface 110 is connected to the mains through the power plug, wherein the power plug uses a three-core power plug.
  • the power interface 110 of the present embodiment is connected to the voltage processing unit via the pre-processing unit 120.
  • the pre-processing unit 120 includes a filtering module 121 and a power correction module 122.
  • the filtering module 121 is an EMI filtering system, and the filtering module 121 is configured to rectify the AC voltage.
  • the DC voltage is applied;
  • the power correction module 122 is a PFC power correction module.
  • the power interface 110 is connected to the mains through a power plug, and the AC voltage is rectified into a DC voltage through a primary EMI filter system.
  • the external high level signal triggers the PS/ON switch, and the PFC power calibration module is calibrated to turn on, converting the power efficiency and raising
  • the voltage is 390Vdc and is supplied to the voltage processing unit for processing, which converts the primary energy through the transformer to the set output energy, which is ultimately reflected in the voltage and current output.
  • the voltage processing unit includes a 5V processing unit 210 and/or a 19V processing unit 220 and/or an LED voltage processing unit 230; wherein the 5V processing unit 210 includes a FLY topology module 211 and a 5VSB/5V transformer module 212.
  • the voltage processing unit includes a 5V processing unit 210 and/or a 19V processing unit 220 and/or an LED voltage processing unit 230; the output of the voltage processing unit is integrated in the integrated output unit 300.
  • the 5V processing unit 210 includes a FLY topology module 211 and a 5VSB/5V transformer module 212. After converting the power efficiency and raising the voltage, the FLY topology module 211 performs the FLY topology operation, and then the primary energy is transformed by the 5VSB/5V transformer module 212. For the set output energy, the output end thereof is connected to the integrated output unit 300; in addition, the 5V processing unit 210 further includes a PWM controller 201 and a feedback loop 202, and the 5VSB/5V transformer module 212 is controlled by the feedback loop 202 and PWM. The device 201 is connected to the FLY topology module 211 to implement feedback control.
  • the 19V processing unit 220 includes an LLC topology module A221 and a 19V/19VPC transformer module 222. After converting the power efficiency and raising the voltage, the LLC topology operation is completed in the LLC topology module A221, and then the primary energy is transformed by the 19V/19VPC transformer module 222. For the set output energy, the output end is connected to the integrated output unit 300; in addition, the 19V processing unit 220 further includes a PWM controller 201 and a feedback loop 202, and the 19V/19VPC transformer module 222 is controlled by a feedback loop 202 and PWM. The unit 201 is connected to the FLY topology module 211 to implement feedback control.
  • the LED voltage processing unit 230 includes an LLC topology module B231 and an LED transformer output module 232, converts the power efficiency and raises the voltage, completes the LLC topology operation in the LLC topology module B231, and then converts the primary energy into a transformer by the LED transformer output module 232.
  • the output energy of the output is connected to the integrated output unit 300.
  • the LED voltage processing unit 230 further includes a PWM controller 201 and a feedback loop 202, and the LED transformer output module 232 passes through the feedback loop 202 and the PWM controller.
  • 201 is connected to the LLC topology module B231 to implement feedback control.
  • the integrated output unit 300 of the present embodiment is an integrated output socket, and the integrated output unit 300 is an AC/DC power output control portion.
  • the output of the two-in-one plug using the Ogilvy XC7A-6442 or the equivalent specification is not limited to the second array/not limited to the 64Pin specification.
  • the integrated output unit 300 includes a DC power supply module 301 and an LED backlight power supply module 302. The integrated output unit 300 realizes the module belonging to the non-weak electrical connection line by using the two-array terminal connection mode, and greatly optimizes the production process of the product, and the efficiency is obviously improved.
  • the integrated output unit 300 adopts an all-in-one design of the power output portion, and removes the complicated weak electric connection line that originally controls the main board and the TV power supply, optimizes the cost of the product, and improves the integration level.
  • the integrated output unit 300 can implement modules such as backlight LED current output, backlight control, backlight adjustment, power amplifier power supply control, drive board control current output, computer module current control output, power supply control adjustment, and ground control.
  • a touch blackboard using a hot-swappable power supply of the present invention includes an intelligent driving power supply 10, a control main board 20, and a liquid crystal display 30.
  • the intelligent driving power supply 10 is the driving power supply of the embodiment 1, and the control board is controlled.
  • the liquid crystal display 30 is electrically connected to the integrated output unit 300, and the intelligent driving power supply 10 is used to supply power to the control board 20 and the liquid crystal display 30, and the control board 20 is electrically connected to the liquid crystal display 30.
  • the liquid crystal display 30 mounts and fixes the glass blackboard and the display module separately, and the display module often integrates the display screen Opencell liquid crystal panel, the optical film and the backlight module.
  • the control board 20 is built in the interior of the metal frame, and the liquid crystal display 30 is nested in the middle of the metal frame, and the touch tempered glass is covered on the surface of the metal frame, and the nano touch film is covered and covered in the touchable steel. On the inner side of the glass, the liquid crystal display and the nano touch film are electrically connected to the control board.
  • the smart drive power supply 10 is designed behind the liquid crystal screen, and the smart drive power supply 10 is powered by the entire smart blackboard.
  • a combined touch blackboard of the present invention includes at least two parallel blackboards, at least one of which is the touch blackboard 1 described in Embodiment 2. It is worth noting that the combination touch blackboard includes three blackboards arranged side by side. The blackboard in the middle position is the touch blackboard 1 described above, and the blackboard on both sides is the ordinary blackboard 2.

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  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
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  • Theoretical Computer Science (AREA)
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Abstract

本实用新型的一种驱动电源、触控黑板及其组合黑板，属于触控黑板技术领域。本实用新型的驱动电源的PCBA电路板包括电源接口、预处理单元、电压处理单元和集成输出单元，所述的电源接口经预处理单元与电压处理单元相连，电压处理单元包括5V处理单元和/或19V处理单元和/或LED电压处理单元；所述的电压处理单元的输出端集成于集成输出单元。本实用新型电源接口经预处理单元与电压处理单元相连，电压处理单元的输出端集成于集成输出单元。

Description

一种驱动电源、触控黑板及其组合黑板 技术领域
本实用新型涉及一种多媒体教室的教学设备，具体地说是涉及一种驱动电源、触控黑板及其组合黑板。
背景技术
随着教学工具智能化的趋势，智能互动黑板已在大多数教学环境中得以普及。教室互动黑板在设计与生产使用过程中均采用大尺寸的液晶屏体，并将其通过连接件直接固定在框架之中，再与玻璃黑板组成一个整体，供教学或各种会议使用。
智慧教室互动黑板是一种代替传统黑板的高科技电子产品，它集成了液晶显示屏技术、触摸技术和计算机技术于一体，再加上采用精准识别功能的书写软件和书写笔，使信息处理更为方便，授课演算演示更为生动。目前，现有智慧教室互动触控黑板产品中，电源的集成效果较差，使得生产成本较高，并且黑板驱动电源的使用效果较差，影响了触控黑板的便捷使用，急需改进。
实用新型内容
1.实用新型要解决的技术问题
本实用新型的目的在于，克服现有技术中的电源的使用效果较差的不足，提供了一种驱动电源、触控黑板及其组合黑板；
其中的一种用于触控黑板的驱动电源，采用的PCBA电路板可以将市电经预处理单元预处理，进而将交流电压整流成直流电压，并经过电压处理单元进行变压转换处理，最后将输出端集成于集成输出单元，实现电源的集成，并可以提高电源的使用效果；
其中的一种使用热插拔式电源的触控黑板，采用上述的驱动电源，进而简化了触控黑板的结构，实现电源的集成，并可以提高电源的使用效果；
其中的一种组合触控黑板，采用上述的触控黑板，简化了触控黑板的结构，可以提高加工效率，降低加工成本，提高使用效果。
2.技术方案
为达到上述目的，本实用新型提供的技术方案为：
本实用新型的一种用于触控黑板的驱动电源，驱动电源的PCBA电路板包括电源接口、预处理单元、电压处理单元和集成输出单元，所述的电源接口经预处理单元与电压处理单元相连，电压处理单元包括5V处理单元和/或19V处理单元和/或LED电压处理单元；所述的 电压处理单元的输出端集成于集成输出单元。
优选地，预处理单元包括滤波模块和功率校正模块。
优选地，5V处理单元包括FLY拓扑模块和5VSB/5V变压模块。
优选地，19V处理单元包括LLC拓扑模块A和19V/19VPC变压模块。
优选地，LED电压处理单元包括LLC拓扑模块B和LED变压输出模块。
优选地，5V处理单元包括PWM控制器和反馈环路，5VSB/5V变压模块经反馈环路、PWM控制器与FLY拓扑模块相连；或/和19V处理单元包括PWM控制器和反馈环路，19V/19VPC变压模块经反馈环路、PWM控制器与FLY拓扑模块相连；或/和LED电压处理单元包括PWM控制器和反馈环路，LED变压输出模块经反馈环路、PWM控制器与LLC拓扑模块B相连。
优选地，集成输出单元采用二阵列插头输出。
优选地，滤波模块为EMI滤波系统，滤波模块用于将交流电压整流成直流电压；或/和功率校正模块为PFC功率校正模块。
本实用新型的一种使用热插拔式电源的触控黑板，包括智能驱动电源、控制主板和液晶显示屏，智能驱动电源为上述的驱动电源，控制主板、液晶显示屏分别与集成输出单元电连接，智能驱动电源用于为控制主板和液晶显示屏提供电能，控制主板与液晶显示屏电连接。
本实用新型的一种组合触控黑板，包括至少两块并列设置的黑板，至少其中一块黑板为上述的触控黑板。
3.有益效果
采用本实用新型提供的技术方案，与现有技术相比，具有如下有益效果：
(1)本实用新型的一种用于触控黑板的驱动电源，驱动电源的PCBA电路板包括电源接口、预处理单元、电压处理单元和集成输出单元，电压处理单元的输出端集成于集成输出单元；采用的PCBA电路板可以将市电经预处理单元预处理，进而将交流电压整流成直流电压，并经过电压处理单元进行变压转换处理，最后将输出端集成于集成输出单元，实现电源的集成，并可以提高电源的使用效果；
(2)本实用新型的一种用于触控黑板的驱动电源，电源接口通过电源插头与市电相连，经过电源初级EMI滤波系统将交流电压整流成直流电压，外置高电平信号触发PS/ON开关，PFC功率校正模块校准开启工作，转换电能效率并抬升电压至390Vdc，提供给电压处理单元进行处理，进而将将初级能量通过变压器转换为设定的输出能量，从而提高电源的使用效果；
(3)本实用新型的一种使用热插拔式电源的触控黑板，采用上述的驱动电源，进而简化了触控黑板的结构，实现电源的集成，并可以提高电源的使用效果；
(4)本实用新型的一种组合触控黑板，采用上述的触控黑板，简化了触控黑板的结构， 可以提高加工效率，降低加工成本，提高使用效果。
(5)本实用新型的一种组合触控黑板，集成输出单元使用二阵列端子连接方式，实现了属于无弱电连接线的模块，极大的优化的产品生产工艺，效率明显改善。
附图说明
图1为本实用新型的一种使用热插拔式电源的触控黑板的结构示意图；
图2为本实用新型的一种用于触控黑板的驱动电源的结构示意图；
图3为本实用新型的一种用于触控黑板的驱动电源的集成输出单元的结构示意图；
图4为本实用新型的一种组合触控黑板的结构示意图。
示意图中的标号说明
1、触控黑板；2、普通黑板；
10、智能动电源；20、控制主板；30、液晶显示屏；
110、电源接口；120、预处理单元；121、滤波模块；122、功率校正模块；
201、PWM控制器；202、反馈环路；
210、5V处理单元；211、FLY拓扑模块；212、5VSB/5V变压模块；
220、19V处理单元；221、LLC拓扑模块A；222、19V/19VPC变压模块；
230、LED电压处理单元；231、LLC拓扑模块B；232、LED变压输出模块；
300、集成输出单元；301、直流供电模块；302、LED背光供电模块。
具体实施方式
为进一步了解本实用新型的内容，结合附图和实施例对本实用新型作详细描述。
本说明书附图所绘示的结构、比例、大小等，均仅用以配合说明书所揭示的内容，以供熟悉此技术的人士了解与阅读，并非用以限定本发明可实施的限定条件，故不具技术上的实质意义，任何结构的修饰、比例关系的改变或大小的调整，在不影响本发明所能产生的功效及所能达成的目的下，均应仍落在本实用新型所揭示的技术内容得能涵盖的范围内。同时，本说明书中所引用的如“上”、“下”、“左”、“右”、“中间”等用语，亦仅为便于叙述的明了，而非用以限定可实施的范围，其相对关系的改变或调整，在无实质变更技术内容下，当亦视为本发明可实施的范畴。
实施例1
本实用新型涉及到的热插拔式TV驱动电源技术，涉及到核心整合电路技术，既可以减少生产工艺的成本，在触控黑板的设计上具有举足轻重的作用。
结合图2和图3，本实用新型的一种用于触控黑板的驱动电源，驱动电源的PCBA电路板包括电源接口110、预处理单元120、电压处理单元和集成输出单元300，电源接口110为 交流电源输入控制部分，电源接口110与电源插头相连，进而使得电源接口110通过电源插头与市电相连，其中电源插头采用三芯电源插头。
本实施例的电源接口110经预处理单元120与电压处理单元相连，预处理单元120包括滤波模块121和功率校正模块122；其中滤波模块121为EMI滤波系统，滤波模块121用于将交流电压整流成直流电压；功率校正模块122为PFC功率校正模块。电源接口110通过电源插头与市电相连，经过电源初级EMI滤波系统将交流电压整流成直流电压，外置高电平信号触发PS/ON开关，PFC功率校正模块校准开启工作，转换电能效率并抬升电压至390Vdc，提供给电压处理单元进行处理，进而将将初级能量通过变压器转换为设定的输出能量，最终体现为电压与电流输出。
其中，电压处理单元包括5V处理单元210和/或19V处理单元220和/或LED电压处理单元230；其中的5V处理单元210包括FLY拓扑模块211和5VSB/5V变压模块212。电压处理单元包括5V处理单元210和/或19V处理单元220和/或LED电压处理单元230；所述的电压处理单元的输出端集成于集成输出单元300。
5V处理单元210包括FLY拓扑模块211和5VSB/5V变压模块212，转换电能效率并抬升电压后在FLY拓扑模块211完成FLY拓扑工作，而后将初级能量通过5VSB/5V变压模块212变压转换为设定的输出能量，其输出端与集成输出单元300相连；此外，5V处理单元210还包括PWM控制器201和反馈环路202，5VSB/5V变压模块212经反馈环路202、PWM控制器201与FLY拓扑模块211相连，从而实现反馈控制；
19V处理单元220包括LLC拓扑模块A221和19V/19VPC变压模块222，转换电能效率并抬升电压后在LLC拓扑模块A221完成LLC拓扑工作，而后将初级能量通过19V/19VPC变压模块222变压转换为设定的输出能量，其输出端与集成输出单元300相连；此外，19V处理单元220还包括PWM控制器201和反馈环路202，19V/19VPC变压模块222经反馈环路202、PWM控制器201与FLY拓扑模块211相连，从而实现反馈控制。
LED电压处理单元230包括LLC拓扑模块B231和LED变压输出模块232，转换电能效率并抬升电压后在LLC拓扑模块B231完成LLC拓扑工作，而后将初级能量通过LED变压输出模块232变压转换为设定的输出能量，其输出端与集成输出单元300相连；此外，LED电压处理单元230还包括PWM控制器201和反馈环路202，LED变压输出模块232经反馈环路202、PWM控制器201与LLC拓扑模块B231相连，从而实现反馈控制。
本实施例的集成输出单元300为集成输出插座，集成输出单元300为交直流电源输出控制部分，使用欧敏龙XC7A-6442或同等规格的二阵列插头输出不仅限于二阵列/不限于64Pin规格。集成输出单元300包括直流供电模块301和LED背光供电模块302。集成输出单元300 使用二阵列端子连接方式，实现了属于无弱电连接线的模块，极大的优化的产品生产工艺，效率明显改善。特别是集成输出单元300采用电源输出部分多合一的设计，并去除原来控制主板与TV电源的复杂弱电连接线，优化了产品的成本，提高了集成化水平。集成输出单元300可以实现背光LED电流输出、背光控制、背光调节、功放供电控制、驱动板控制电流输出、电脑模块电流控制输出、电源控制调节和接地控制等模块。
实施例2
结合图1，本实用新型的一种使用热插拔式电源的触控黑板，包括智能驱动电源10、控制主板20和液晶显示屏30，智能驱动电源10为实施例1的驱动电源，控制主板20、液晶显示屏30分别与集成输出单元300电连接，智能驱动电源10用于为控制主板20和液晶显示屏30提供电能，控制主板20与液晶显示屏30电连接。液晶显示屏30是将玻璃黑板与显示模组分别安装固定，显示模组往往是将显示屏Opencell液晶面板、光学膜片与背光模组集成在一起。控制主板20内置于金属框体的内部，液晶显示屏30嵌套在金属框体的中部，可触控钢化玻璃覆盖粘贴在金属框体的表面，纳米触控膜覆盖贴合在可触控钢化玻璃的内侧，液晶显示屏和纳米触控膜均与控制主板电连接，智能驱动电源10设计在液晶屏幕的后面，智能驱动电源10为供整个智能黑板的电源驱动。
实施例3
如图4所示，本实用新型的一种组合触控黑板，包括至少两块并列设置的黑板，至少其中一块黑板为实施例2所述的触控黑板1。值得说明的是，组合触控黑板包括三块并列设置的黑板。其中位于中间位置的黑板为上述的触控黑板1，位于两侧的黑板为普通黑板2。
以上示意性的对本实用新型及其实施方式进行了描述，该描述没有限制性，附图中所示的也只是本实用新型的实施方式之一，实际的结构并不局限于此。所以，如果本领域的普通技术人员受其启示，在不脱离本实用新型创造宗旨的情况下，不经创造性的设计出与该技术方案相似的结构方式及实施例，均应属于本实用新型的保护范围。

Claims (10)

  1. 一种用于触控黑板的驱动电源，其特征在于：驱动电源的PCBA电路板包括电源接口(110)、预处理单元(120)、电压处理单元和集成输出单元(300)，所述的电源接口(110)经预处理单元(120)与电压处理单元相连，电压处理单元包括5V处理单元(210)和/或19V处理单元(220)和/或LED电压处理单元(230)；所述的电压处理单元的输出端集成于集成输出单元(300)。
  2. 根据权利要求1所述的一种用于触控黑板的驱动电源，其特征在于：预处理单元(120)包括滤波模块(121)和功率校正模块(122)。
  3. 根据权利要求1所述的一种用于触控黑板的驱动电源，其特征在于：5V处理单元(210)包括FLY拓扑模块(211)和5VSB/5V变压模块(212)。
  4. 根据权利要求1所述的一种用于触控黑板的驱动电源，其特征在于：19V处理单元(220)包括LLC拓扑模块A(221)和19V/19VPC变压模块(222)。
  5. 根据权利要求1所述的一种用于触控黑板的驱动电源，其特征在于：LED电压处理单元(230)包括LLC拓扑模块B(231)和LED变压输出模块(232)。
  6. 根据权利要求3-5任一项所述的一种用于触控黑板的驱动电源，其特征在于：
    5V处理单元(210)包括PWM控制器(201)和反馈环路(202)，5VSB/5V变压模块(212)经反馈环路(202)、PWM控制器(201)与FLY拓扑模块(211)相连；或/和
    19V处理单元(220)包括PWM控制器(201)和反馈环路(202)，19V/19VPC变压模块(222)经反馈环路(202)、PWM控制器(201)与FLY拓扑模块(211)相连；或/和
    LED电压处理单元(230)包括PWM控制器(201)和反馈环路(202)，LED变压输出模块(232)经反馈环路(202)、PWM控制器(201)与LLC拓扑模块B(231)相连。
  7. 根据权利要求3-5任一项所述的一种用于触控黑板的驱动电源，其特征在于：集成输出单元(300)采用二阵列插头输出。
  8. 根据权利要求3-5任一项所述的一种用于触控黑板的驱动电源，其特征在于：滤波模块(121)为EMI滤波系统，滤波模块(121)用于将交流电压整流成直流电压；或/和功率校正模块(122)为PFC功率校正模块。
  9. 一种使用热插拔式电源的触控黑板，其特征在于：包括智能驱动电源(10)、控制主板(20)和液晶显示屏(30)，智能驱动电源(10)为权利要求1-6任意一项所述的驱动电源，控制主板(20)、液晶显示屏(30)分别与集成输出单元(300)电连接，智能驱动电源(10)用于为控制主板(20)和液晶显示屏(30)提供电能，控制主板(20)与液晶显示屏(30)电连接。
  10. 一种组合触控黑板，其特征在于：包括至少两块并列设置的黑板，至少其中一块黑 板为权利要求9所述的触控黑板(1)。
PCT/CN2019/082479 2018-05-07 2019-04-12 一种驱动电源、触控黑板及其组合黑板 WO2019214396A1 (zh)

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