WO2014008675A1 - Module émetteur/récepteur sans fil et son système d'inversion - Google Patents

Module émetteur/récepteur sans fil et son système d'inversion Download PDF

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Publication number
WO2014008675A1
WO2014008675A1 PCT/CN2012/078745 CN2012078745W WO2014008675A1 WO 2014008675 A1 WO2014008675 A1 WO 2014008675A1 CN 2012078745 W CN2012078745 W CN 2012078745W WO 2014008675 A1 WO2014008675 A1 WO 2014008675A1
Authority
WO
WIPO (PCT)
Prior art keywords
resistor
transceiver module
wireless transceiver
circuit
triode
Prior art date
Application number
PCT/CN2012/078745
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English (en)
Chinese (zh)
Inventor
陆元成
洪伟弼
张宏
Original Assignee
纽福克斯光电科技（上海）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 纽福克斯光电科技（上海）有限公司 filed Critical 纽福克斯光电科技（上海）有限公司
Publication of WO2014008675A1 publication Critical patent/WO2014008675A1/fr

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link

Definitions

  • the present invention relates to the field of inverter systems, and in particular, to a wireless transceiver module and an inverter system having a micro power consumption display device and an inverter host. Background technique
  • the inverter system of the prior art includes an inverter and a display device, and connects the inverter host and the display device by using a signal line for serial communication, so that the display device can be remotely installed, which is convenient for the user to observe and use, and the display device is remotely
  • the LCD display panel is installed, but although the device can remotely install the LCD display and the control panel, the control panel and the inverter host must also have a wire connection, which is not very convenient in practical use. Summary of the invention
  • an object of the present invention is to provide a micro power consumption wireless display device, which disconnects a connection line on the basis of the original device, and in the case where the original LCD display panel and the inverter host are not changed, the original connection is made.
  • the wireless transmitting and receiving module is respectively connected to the interface, and the wireless connection mode can also realize remote display and micro power sleep control, and is convenient to use.
  • a wireless transceiver module for use in a micro power display device and inverse In the inverter system, the inverter and the display device communicate with each other through the wireless transceiver module, wherein the wireless transceiver module comprises a first wireless transceiver module and a second wireless transceiver module;
  • the first wireless transceiver module includes at least:
  • a first connecting circuit connected to the control interface of the inverter, receiving an operating voltage sent by the inverter through an operating voltage connection line, the first connecting circuit further comprising a trigger signal line to trigger the inverter Opening and closing;
  • a first microprocessor connected to the first connection circuit through a plurality of data lines, the plurality of data lines including at least a chip select signal line, a write signal line, and a serial data line;
  • a first electrical control switch circuit is respectively connected to the working voltage connection line and the trigger signal line, and is connected to the first microprocessor;
  • a voltage dividing circuit one end of which is grounded, and the other end is respectively connected to the first microprocessor and the working voltage connection line;
  • the step-down circuit has one end connected to the working voltage connection line and the other end being grounded; the first wireless transmitting and receiving module is connected to the first microprocessor; the second wireless transceiver module comprises at least:
  • a second microprocessor connected to the second connection circuit through a plurality of data lines, the plurality of data lines including at least a chip select signal line, a write signal line, a trigger signal line, and a serial data line;
  • boost regulator circuit and a second electrical control switch circuit, the second connection circuit Connecting the boost regulator circuit and the second electrical control switch circuit in sequence to be connected to the second microprocessor;
  • the second wireless transmitting and receiving module is connected to the second microprocessor to communicate with the first wireless transmitting and receiving module.
  • the step-down circuit comprises a CMOS transistor, an electrolytic capacitor and a light emitting diode, the anode of the LED is connected to the working voltage connection line, and the cathode is connected to the drain of the CMOS transistor, the source of the CMOS transistor Connect a working voltage and ground it through the electrolytic capacitor.
  • the gate of the CMOS transistor is grounded through a Zener diode, and a first resistor is connected in series between the gate and the drain of the CMOS transistor.
  • the CMOS transistor is an N-channel MOSFET enhanced field effect transistor.
  • the first electrical control switch circuit includes a first triode, a second triode, a third resistor, a fifth resistor, a sixth resistor, and a seventh resistor, the first triode
  • the emitter is connected to the working voltage connection line
  • the collector of the first transistor is connected to the trigger signal line
  • the base of the first transistor passes through the set of the fifth resistor and the second transistor
  • An electrode is connected
  • the third resistor is connected in series between the emitter and the base of the first transistor
  • the base of the second transistor is connected to the first microprocessor through the sixth resistor
  • the first The base of the two transistors is grounded through the seventh resistor
  • the emitter of the second transistor is grounded.
  • the first triode is a PNP type triode
  • the second triode is an NPN type triode.
  • the wireless transceiver module wherein the voltage dividing circuit comprises a second resistor and a fourth resistor, one end of the second resistor is connected to the working voltage connection line, and the other end is grounded through the fourth resistor, the first microprocessor is connected Between the second resistor and the fourth resistor.
  • the second electrical control switch circuit includes a third tertiary transistor, a fourth triode, an eighth resistor, a ninth resistor, a tenth resistor, and an eleventh resistor, the third three pole a collector of the tube is connected to the boost regulator circuit, a base of the third transistor is connected to a collector of the fourth transistor through the ninth resistor, and an emitter of the third transistor a second microprocessor is connected, the eighth resistor is connected in series between the emitter and the base of the third transistor, and the base of the fourth transistor passes the eleventh resistor and the second microprocessor Connected to the base of the fourth triode through the tenth resistor, the emitter of the fourth triode is grounded; in addition, the emitter of the third triode is connected to a battery pack, the battery pack The positive electrode is connected to the second connecting circuit through a first Schottky diode, and the negative electrode is grounded.
  • the trigger signal line is connected to the second microprocessor through a twelfth resistor.
  • the third triode is a PNP type triode
  • the fourth triode is an NPN type triode.
  • the boost regulator circuit comprises a boost set Forming a circuit, a second Schottky diode, a third Schottky diode, and an inductor, wherein the second Schottky diode negative electrode is connected to the second connecting circuit, and the positive electrode is sequentially connected to the boosting integrated circuit, the inductor, and the first A collector connection of the triode, the third Schottky diode being connected in parallel with the ungrounded ends of the boosting integrated circuit.
  • the boost regulator circuit further includes a first capacitor and a second capacitor, one end of the first capacitor is connected to an output end of the boosting integrated circuit, and the other end is grounded, and the second capacitor is One end is connected to the collector of the third transistor, and the other end is grounded.
  • the wireless transceiver module further includes a charging controller and a solar panel, the solar panel is connected to the charging controller, and an output end of the charging controller is connected to the third transistor The output of the charge controller is also grounded through a third capacitor.
  • the present invention also discloses an inverter system including an inverter, a display device, and the wireless transceiver module according to any of the above.
  • FIG. 1 is a block diagram showing the structure of a first wireless receiving module of a wireless I module and its inverter system according to an embodiment of the present invention.
  • FIG. 2 is a circuit diagram of a first wireless receiving module of a wireless I module and its inverter system according to an embodiment of the present invention
  • FIG. 3 is a block diagram showing the structure of a second wireless receiving module of a wireless I module and its inverter system according to an embodiment of the present invention.
  • FIG. 4 is a circuit diagram of a second wireless receiving module of a wireless I module and its inverter system in accordance with an embodiment of the present invention. detailed description
  • the wireless transceiver module in the embodiment of the present invention is applied to an inverter system having a micro power consumption display device and an inverter, wherein the inverter and the display device communicate with each other through a wireless transceiver module, and the wireless transceiver module includes A wireless transceiver module and a second wireless transceiver module.
  • the first wireless transceiver module includes at least a first connection circuit J1, a first microprocessor IC1, a first electrical control switch circuit, a voltage dividing circuit, a step-down circuit, and a first wireless transmission.
  • the first connection circuit J1 is connected to the control interface of the inverter, and receives the working voltage sent by the inverter through an operating voltage connection line VCC.
  • the first connection circuit J1 further includes a trigger signal line SW to trigger the inverter. Opening and closing.
  • the step-down circuit includes a CMOS transistor M1, an electrolytic capacitor E1, and a light-emitting diode LED1.
  • the positive electrode of the LED1 is connected to the working voltage connection line VCC, and the negative electrode is connected.
  • the drain of the CMOS transistor M1 is connected, the source of the CMOS transistor M1 is connected to an operating voltage VDD, and grounded through the electrolytic capacitor E1.
  • the gate of the CMOS transistor M1 is grounded through a Zener diode Z1, and a first resistor R1 is connected in series between the gate and the drain of the CMOS transistor M1.
  • CMOS transistor M1 is an N-channel MOSFET enhanced field effect transistor.
  • the first microprocessor IC1 is connected to the first connection circuit J1 through a plurality of data lines, and the plurality of data lines include at least a chip selection signal line CS, a write signal line WR, and a serial data line DATA.
  • the first electrically controlled switch circuit is coupled to the operating voltage connection line VCC, the trigger signal line SW, and to the first microprocessor IC1.
  • the voltage dividing circuit is grounded at one end, and the other end is connected to the first microprocessor IC1 and the working voltage connection line VCC, and one end of the step-down circuit is connected to the working voltage connection line VCC, and the other end is grounded.
  • the first wireless transmit receive module is coupled to the first microprocessor IC1. As shown in FIG.
  • the first electrically controlled switch circuit includes a first transistor P1, a second transistor N1, a third resistor R3, a fifth resistor R5, a sixth resistor R6, and a seventh resistor R7,
  • the emitter of a triode PI is connected to the working voltage connection line VCC
  • the collector of the first triode P1 is connected to the trigger signal line SW
  • the base of the first triode P1 passes through the fifth resistor R5 and the second three
  • the collector of the pole tube N1 is connected
  • the third resistor R3 is connected in series between the emitter and the base of the first transistor P1
  • the base of the second transistor N1 is passed through the sixth resistor R6 and the first microprocessor.
  • IC1 is connected, the base of the second transistor N1 is grounded through the seventh resistor R7, and the emitter of the second transistor N1 is grounded.
  • the first triode P1 is a PNP type triode
  • the second triode N1 is an NPN type triode.
  • the type of the triode is matched with the above connection method to realize the opening and closing control of the first electric control switch circuit.
  • the voltage dividing circuit includes a second resistor R2 and a fourth resistor R4.
  • One end of the second resistor R2 is connected to the working voltage connection line VCC, and the other end is grounded through the fourth resistor R4.
  • the first microprocessor IC1 is connected. Between the second resistor R2 and the fourth resistor R4.
  • the first connection circuit J1 is connected to the inverter control interface, where VCC comes from the main working power supply of the inverter, usually +12V (+24V, etc.).
  • SW is the inverter switch line. When SW is low, the inverter is completely turned off; when SW is high: 1) The inverter is working normally, and the working state is passed through three serial communication lines CS, WR And DATA is sent to the first microprocessor IC1; 2) If the inverter is not loaded, it will automatically enter sleep, three communication lines No information is transmitted.
  • the first microprocessor IC1 is always powered, but when the first microprocessor IC1 is in a shutdown state, the first wireless transmitting and receiving module WX1 is turned off, the whole machine is in a micro power state, and the LED 1 is turned off.
  • the first microprocessor IC1 wakes up once every certain time during shutdown and sleep, and asks whether the LCD display module is powered on by the first wireless transmitting and receiving module WX1, and if it is not in the sleep state, the power is turned on, the first microprocessor IC1 sets PIN8 high, second transistor N1 and first transistor P1 are turned on, SW is set high, the inverter is turned on, and the first microprocessor IC1 receives inverters from CS, WR and DATA.
  • the working status information is simultaneously sent to the display device, that is, the LCD display module, through the first wireless transmitting and receiving module WX1, and the response is received to confirm the power-on state, and if there is no response, the power is returned to the power-off state.
  • the inverter is in a sleep state and the first microprocessor IC1 does not receive information from the inverter, IC1 also goes to sleep. However, it wakes up once every certain time to check CS, WR and DATA information, and sends sleep information to the LCD module, and receives the response to confirm the power-on state, and then enters sleep again, which can minimize the reverse state of the boot state.
  • the second wireless transceiver module includes at least a second connection circuit J2, a second microprocessor IC2, a boost regulator circuit, a second electrical control switch circuit, and a second wireless transmit receive module XW2. .
  • the second connection circuit J2 is connected to the display device, and the internal circuit of the display device is constructed in the prior art and should be familiar to those skilled in the art.
  • the second microprocessor IC2 is connected to the second connection circuit through a plurality of data lines, and the plurality of data lines include at least a chip select signal line CS, a write signal line WR, a trigger signal line SW, and a serial data line DATA.
  • the boost regulator circuit and the second electrical control switch circuit, the second connection circuit is connected to the boost regulator circuit and the second electrical control switch circuit in sequence, and is connected to the second microprocessor IC2.
  • the second wireless transmitting and receiving module XW2 is connected to the second microprocessor IC2 to communicate with the first wireless transmitting and receiving module WX1, and the second wireless transmitting and receiving module is a simple functional module that can be wirelessly transmitted and received in the market. It is readily available to the skilled person and facilitates the implementation of the present invention.
  • the second electrically controlled switch circuit includes a third tertiary tube P2, a fourth triode N2, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, and an eleventh resistor.
  • Rl l the collector of the third transistor P2 is connected to the boost regulator circuit, and the base of the third transistor P2 is connected to the collector of the fourth transistor N2 through the ninth resistor R9, the third three pole
  • the emitter of the tube P2 is connected to the second microprocessor IC2, the eighth resistor R8 is connected in series between the emitter and the base of the third transistor P2, and the base of the fourth transistor N2 is passed through the eleventh resistor.
  • R11 is connected to the second microprocessor IC2, the base of the fourth transistor N2 is grounded through the tenth resistor R10, and the emitter of the fourth transistor N2 is grounded.
  • the emitter of the third transistor P2 is connected to a battery pack BT1, and the anode of the battery pack BT1 is connected to the second connection circuit through the first Schottky diode D1, and the cathode is grounded.
  • the trigger signal line SW passes through the twelfth resistor R12 and the second microprocessor IC2 connection.
  • the third transistor P2 is a PNP type transistor
  • the fourth transistor N2 is an NPN type transistor
  • the boost regulator circuit includes a boost integrated circuit VR, a second Schottky diode D2, a third Schottky diode D3, and an inductor L.
  • the second Schottky diode D2 has a negative pole connected to the second connection circuit J2, and the positive poles are sequentially connected.
  • the boosting integrated circuit VR and the inductor L are connected to the collector of the third transistor P2, and the third Schottky diode D3 is connected in parallel with the input and output terminals of the boosting integrated circuit VR, that is, the non-grounded ends.
  • the boost regulator circuit further includes a first capacitor C1 and a second capacitor C2.
  • One end of the first capacitor C1 is connected to the output end of the boost integrated circuit VR, and the other end is grounded, and one end of the second capacitor C2 and the third transistor The collector of P2 is connected and the other end is grounded.
  • the wireless transceiver module further includes a charging controller CC1 and a solar panel BT2.
  • the solar panel BT2 is connected to the charging controller CC1, and the output end of the charging controller CC1 is connected to the emitter of the third transistor P2, and the charging controller CC1 The output is also grounded through a third capacitor C3.
  • the second microprocessor IC2 input pin PIN14 is low, and the second microprocessor IC2 is notified to be turned off, and the IC2 output pin 11 is low.
  • the second wireless transmitting and receiving module XW2 is turned off, and then the user enters a shutdown sleep state.
  • the only wake-up event of IC2 is that its level on PIN14 goes from low to high.
  • Battery loss is only IC2
  • the sleep loss current which is negligible to the battery, when the display device starts to supply power (ie, the switch on the LCD display panel is closed, J2's PIN6 and PIN2 are connected), and the battery pack BT1 voltage passes through Figure 4.
  • Dl via R12 to IC2 PIN14, this signal is used to wake up IC2 of Figure 2, IC2 enters the working state, IC2 sets PIN11 high, N2 turns on, P1 turns on, battery pack BT1 voltage passes boost circuit (VR)
  • a stable voltage (5V) is supplied to the display device circuit. If there is no boost circuit as shown in the figure, since the voltage of the battery pack BT1 is less than 5V and unstable, the power supply of the display circuit will be insufficient.
  • IC2 After receiving the status information sent by the inverter, IC2 initiates serial information transmission of PIN5, PIN6, and PIN7, and notifies the display circuit to start and display related information.
  • This state is the display state, the display state is only maintained for a period of time (such as 10 seconds), then IC2 enters the sleep state, WR is not sent, the display circuit is automatically turned off, and the battery is in the micro power state.
  • the wake-up event is S1 in Figure 4 (inquiry button).
  • S1 triggers to wake up IC2
  • IC2 repeats the power-on display process, IC2 in power-on sleep wakes up at regular intervals to receive the information sent by the inverter. If the inverter is not working properly or needs special wake-up, IC2 starts to display or alarm, otherwise it will continue to sleep, so that the display circuit has only a small power consumption.
  • the invention also discloses an inverter system, which comprises an inverter, a display device and the above-mentioned wireless transceiver module, wherein only the wireless transceiver module is different from the prior art, and the specific line structure of other parts is not drawn, Field technician
  • the configuration of the other parts than the above-described wireless transceiver module can be grasped in conjunction with the prior art, and details are not described herein.
  • the specific embodiments of the present invention have been described in detail above, but the invention is not limited to the specific embodiments described above. Any equivalent modifications and substitutions are also within the scope of the invention for those skilled in the art. Accordingly, equivalent changes and modifications may be made without departing from the spirit and scope of the invention.

Abstract

La présente invention porte sur un module émetteur/récepteur sans fil et sur son système d'inversion. Le module émetteur/récepteur sans fil comprend un premier module émetteur/récepteur sans fil et un second module émetteur/récepteur sans fil. Le premier module émetteur/récepteur sans fil comprend au moins un premier circuit de connexion, un premier microprocesseur, un premier circuit de commutation commandé électriquement, un circuit de division de tension, un circuit de réduction de tension, et un premier module d'émission et de réception sans fil. Le second module émetteur/récepteur sans fil comprend au moins un second circuit de connexion, un second microprocesseur, un circuit d'amplification et de stabilisation de tension, un second circuit de commutation commandé électriquement, et un second module d'émission et de réception sans fil. Des fils de connexion d'un dispositif d'origine sont déconnectés et les modules d'émission et de réception sans fil sont connectés à des interfaces de connexion d'origine sans changer un panneau d'affichage LCD d'origine et un ordinateur hôte d'inversion. Grâce à un tel mode de connexion sans fil, une commande de repos de micropuissance et d'affichage à distance peut être réalisée également, et l'utilisation est pratique.
PCT/CN2012/078745 2012-07-09 2012-07-17 Module émetteur/récepteur sans fil et son système d'inversion WO2014008675A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210234649.0A CN102800182B (zh) 2012-07-09 2012-07-09 一种无线收发模组及其逆变系统
CN201210234649.0 2012-07-09

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WO2014008675A1 true WO2014008675A1 (fr) 2014-01-16

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WO (1) WO2014008675A1 (fr)

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CN107362027A (zh) * 2017-07-05 2017-11-21 浙江中医药大学 一种微型按压装置及一种止呕手环
CN107797957A (zh) * 2017-11-17 2018-03-13 华立科技股份有限公司 低成本m‑bus主机通讯电路
CN108986575A (zh) * 2018-10-19 2018-12-11 科盟（福州）电子科技有限公司 一种无线增强型教学互动系统及方法
CN112915553A (zh) * 2021-01-11 2021-06-08 东莞市索立得模型科技有限公司 一种轻微型攀爬越野车

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CN112362965A (zh) * 2020-12-11 2021-02-12 中山市优胜电子科技有限公司 一种单片机频率和占空比采集电路

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CN107797957A (zh) * 2017-11-17 2018-03-13 华立科技股份有限公司 低成本m‑bus主机通讯电路
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CN108986575A (zh) * 2018-10-19 2018-12-11 科盟（福州）电子科技有限公司 一种无线增强型教学互动系统及方法
CN112915553A (zh) * 2021-01-11 2021-06-08 东莞市索立得模型科技有限公司 一种轻微型攀爬越野车

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CN102800182A (zh) 2012-11-28

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