WO2018171612A1 - Appareil de génération de signal numérique et système de communication numérique - Google Patents

Appareil de génération de signal numérique et système de communication numérique Download PDF

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Publication number
WO2018171612A1
WO2018171612A1 PCT/CN2018/079739 CN2018079739W WO2018171612A1 WO 2018171612 A1 WO2018171612 A1 WO 2018171612A1 CN 2018079739 W CN2018079739 W CN 2018079739W WO 2018171612 A1 WO2018171612 A1 WO 2018171612A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
digital signal
controller
control signal
transmission cable
Prior art date
Application number
PCT/CN2018/079739
Other languages
English (en)
Chinese (zh)
Inventor
邹志宏
Original Assignee
赤多尼科两合股份有限公司
邹志宏
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 赤多尼科两合股份有限公司, 邹志宏 filed Critical 赤多尼科两合股份有限公司
Priority to GB1913948.4A priority Critical patent/GB2574565B/en
Publication of WO2018171612A1 publication Critical patent/WO2018171612A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/542—Systems for transmission via power distribution lines the information being in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5412—Methods of transmitting or receiving signals via power distribution lines by modofying wave form of the power source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5483—Systems for power line communications using coupling circuits
    • H04B2203/5487—Systems for power line communications using coupling circuits cables

Definitions

  • the present invention relates to the field of communications technologies, and more particularly to a digital signal generating apparatus and a digital communication system.
  • the technical problem to be solved by the present invention is to provide a digital signal generating device and a digital device with simple circuit structure, low cost, fast digital signal generation, and clever use of a transmission cable for digital signal transmission. Communication Systems.
  • a digital signal generating device comprising: a power supply port, a rectifier circuit connected to the power supply port, a surge current generating circuit connected to the rectifier circuit, and a connection port at the power supply port a controller between the inrush current generating circuits;
  • the rectifier circuit is configured to convert AC power input through the power supply port into DC power, and provide the DC power to the surge current generating circuit;
  • the controller is configured to alternately generate the first control signal and the second control signal, and sequentially send the first control signal and the second control signal to the inrush current generating circuit;
  • the inrush current generating circuit is turned on when receiving the first control signal sent by the controller, and is turned off when receiving the second control signal subsequently issued by the controller, thereby performing a fast charge and discharge operation And generate a surge current;
  • the surge current is superimposed with the waveform transmitted on the power transmission cable to form a carrier carrying the digital signal and outputted to the outside through the power transmission cable.
  • the controller uses the power transmission cable as a signal transmission medium, and outputs a carrier carrying the digital signal through the power transmission cable.
  • the inrush current generating circuit includes a rectifying circuit and a controller respectively connected to receive the first control signal and be turned on by the first control signal, and a switch sub-circuit that receives the second control signal and is turned off by the second control signal, and connects the switch sub-circuit for storing the rectifying circuit when the switch sub-circuit is turned on.
  • the switch sub-circuit includes a first switching transistor, and the first switching transistor is one of a thyristor, a field effect transistor, a triode, an insulated gate bipolar transistor, and a relay.
  • the first switching transistor is one of a thyristor, a field effect transistor, a triode, an insulated gate bipolar transistor, and a relay.
  • the first switching transistor is a field effect transistor
  • the charging and discharging electronic circuit includes a first resistor and a first capacitor connected in parallel across the first resistor
  • the rectifier circuit is The bridge rectifier circuit has a first input end and a second input end, wherein the first input end and the second input end are respectively connected to the power supply port, and the first output end is connected to the gate of the first switch tube, the first switch
  • the source of the tube is connected to one end of the controller, and the other end of the controller is connected to the power supply port.
  • the drain of the first switch tube is simultaneously connected to one end of the second capacitor and one end of the first resistor, and the second capacitor and the first resistor are One end is connected to the second output of the rectifier circuit.
  • the controller is one of a single chip microcomputer, an application specific integrated circuit, a field programmable gate array, and a central processing unit.
  • the present invention also provides a digital communication system, comprising: the digital signal generating device as described above;
  • the signal processing device is configured to receive a carrier transmitted by the digital signal generating device via a power transmission cable, and demodulate the carrier according to a preset detection rule to obtain a digital signal carried by the carrier;
  • the detection rule is specifically as follows: in each complete waveform period of the carrier, the signal processing device outputs 0 every time a half-wave waveform of the unsuperimposed surge current is detected, or detects the superimposed surge current. To the corrupted half-waveform, the output is 1.
  • the signal processing apparatus includes:
  • a modulation and demodulation circuit for demodulating a carrier transmitted through a power transmission cable by using the detection rule to obtain a digital signal carried by a carrier
  • a display circuit for displaying the digital signal connected to the modulation and demodulation circuit.
  • the invention provides a digital signal generating device with a simplified structure, which can generate a surge current by using a simple switch-on-off control method, and transmit the current waveform of the inrush current to the transmission cable.
  • the alternating current is superimposed on the waveform, and the carrier carrying the digital signal is obtained by the modulation, and the transmission cable is skillfully utilized as the signal transmission medium, and the modulated carrier carrying the digital signal is outputted through the transmission cable. Therefore, the digital signal generating device of the present invention has an extremely simple circuit structure, is easy to operate and control, is low in cost, and is suitable for large-scale popularization and application, as compared with various digital signal generating devices having a complicated circuit structure and high cost. It is conducive to the outstanding advantages of the popularization of digital communication technology.
  • FIG. 1 is a structural block diagram of a digital signal generating apparatus according to a preferred embodiment of the present invention
  • FIG. 2 is a block diagram showing the structure of a digital signal generating circuit included in the digital signal generating apparatus shown in FIG. 1;
  • FIG. 3 is a circuit diagram of the digital signal generating circuit shown in FIG. 2;
  • FIG. 4 is a digital communication system according to another embodiment of the present invention, the digital communication system including the digital signal generating apparatus shown in FIG. 1 and a signal processing apparatus;
  • Fig. 5 is a block diagram showing the structure of a signal processing device included in the digital communication system shown in Fig. 4.
  • the innovation of the present invention lies in: providing a simple circuit structure and operation A convenient digital signal generating device 200 capable of generating a surge current by a simple switch control method and superimposing a surge current with an alternating current transmitted on the power transmission cable to generate a carrier carrying the digital signal, and The transmission of the carrier carrying the digital signal by the transmission cable enables the rapid generation of the digital signal and the technical effect of using the transmission cable for the remote transmission of the digital signal.
  • the present invention provides a carrier wave capable of carrying a digital signal conveniently and quickly, and provides a remote transmission of a carrier through a transmission cable, in view of a technically complicated and expensive technical defect of various digital generation circuits on the market.
  • the digital signal generating device 200 has the advantages of simple circuit structure, low cost, convenient operation, and easy control, and can greatly promote the outstanding advantages of the development of digital communication technology.
  • the present invention provides a digital signal generating apparatus 200 which is extremely simple in circuit structure and which can generate digital signals conveniently and quickly and remotely transmit digital signals by means of a power transmission cable. among them:
  • the signal generating device 200 includes a power supply port 204, a rectifying circuit 201 input to the power supply port 204, an inrush current generating circuit 202 connected to the rectifying circuit 201, and a connection between the power supply port 204 and the inrush current generating circuit 202.
  • Controller 203 wherein:
  • the rectifier circuit 201 is configured to convert the alternating current input through the power supply port 204 into direct current, and supply the direct current to the inrush current generating circuit 202;
  • the controller 203 is configured to alternately generate the first control signal and the second control signal, and sequentially send the first control signal and the second control signal to the inrush current generating circuit 202;
  • the inrush current generating circuit 202 is turned on when receiving the first control signal sent by the controller 203, and is turned off when receiving the second control signal subsequently sent by the control 203, thereby performing a fast charging.
  • the surge current is generated by the discharge operation; the surge current is superimposed on the waveform transmitted on the power transmission cable to generate a carrier carrying the digital signal and outputted to the outside through the power transmission cable.
  • the controller 203 can utilize a power transmission cable as a signal transmission medium, and output a carrier carrying the digital signal through the power transmission cable.
  • the inrush current generating circuit 202 includes an input connected to the rectifying circuit 201 and the controller 203, respectively, for receiving the first control signal and being turned on by the first control signal, and Receiving a second control signal, and switching the switch sub-circuit 2021 under the action of the second control signal, and inputting the switch sub-circuit 2021 for the switch sub-circuit 2021 to be turned on, storing the rectifying circuit 201 via the
  • the power supplied by the switch sub-circuit 2021 generates a surge current, and the charge and discharge electronic circuit 2022 that quickly discharges the temporarily stored electric energy when the switch sub-circuit 2021 is turned off.
  • the controller 203 is specifically configured to control the inrush current generating circuit to generate a specific regular surge current on the power transmission cable according to a specific coding rule, thereby superimposing the digital signal on the waveform of the power transmission cable.
  • the remote signal processing device 100 When the remote signal processing device 100 receives the carrier transmitted through the transmission cable, the carrier is demodulated by a preset detection rule, and the digital signal carried by the carrier is restored.
  • the preset detection rule is specifically described as follows: the signal processing device 100 outputs 0 every time a complete waveform period of the carrier is detected, and detects a superimposed surge current. To the corrupted half-waveform, the output is 1.
  • the switch sub-circuit 2021 includes a first switch M1O
  • the charge and discharge electronic circuit 2022 includes a first resistor R14 and a first capacitor C12 connected in parallel across the first resistor R14.
  • the first input end and the second input end of the rectifier circuit 201 are respectively connected to the power supply port 204.
  • the first output end of the rectifier circuit 201 is connected to the gate of the first switch tube M1O, and the source of the first switch tube M10 is connected.
  • One end of the controller 203, the other end of the controller 203 is connected to the power supply port 204, the drain of the first switch M10 is simultaneously connected to one end of the second capacitor C12 and one end of the first resistor R14, the second capacitor C12 and the first resistor R14 The other end is connected to the second output end of the rectifier circuit 201.
  • the first switch M10 is a thyristor, a field effect transistor, a triode, an insulated gate bipolar transistor (Insulated Gate Bipolar Translator), and one of the relays.
  • the controller 203 is a single chip microcomputer (Micro Control Unit), an application specific integrated circuit, a Field Programmable Gate Array, and a Central Processing Unit.
  • the chip type of the first switch tube is SPD06N80C3_L1.
  • the digital signal generating principle of the digital signal generating apparatus 200 of the present invention is introduced as follows:
  • the controller 203 When the digital signal generating apparatus 200 of the present invention is powered on, the controller 203 alternately generates the turn-on signal/off signal in the set first time interval T, and alternately transmits the turn-on signal to/off to the first switch M10. signal.
  • the first switch M10 receives the turn-on signal from the controller 203, it is turned on by the turn-on signal.
  • the rectifier circuit 201 charges the second capacitor C12 through the first switch M10 to generate a surge current on the power transmission cable; and when the first switch transistor M10 receives the shutdown signal subsequently issued by the controller 203, The shutdown signal is turned off.
  • the power supply path between the rectifying circuit 201 and the charging and discharging electronic circuit 2022 is cut off, and the second capacitor C12 quickly releases the temporarily stored electric energy to prepare for the next charging (ie, generating a surge current again).
  • the electric energy released by the second capacitor C12 is consumed by the first resistor R14.
  • the present invention controls the turn-off of the first switch M10 through the controller 203 through a specific coding rule, generates a surge current corresponding to the coding rule on the power transmission cable, and superimposes the surge current on the power transmission.
  • the carrier carrying the digital signal is obtained by this modulation, and the power supply cable is used as the signal transmission medium, and the carrier carrying the digital signal is output to the external signal processing device 100 by the power supply cable.
  • the remote signal processing device 100 receives the carrier transmitted through the power cable, and demodulates the carrier through a preset detection rule to obtain a digital signal carried by the carrier.
  • the detection rule is specifically described as follows: in each complete waveform period of the carrier, the signal processing device 100 detects a half-wave waveform of the unsuperimposed surge current, outputs 0, or detects that the superimposed surge current is destroyed.
  • the half-waveform output is 1.
  • the present invention proposes a digital signal generating apparatus 200 whose circuit structure is simplified, which can generate an inrush current by using a simple switch on/off control method, and a current of a surge current.
  • the waveform is superimposed with the alternating current transmitted on the transmission cable, and the carrier carrying the digital signal is modulated by the modulation, and the transmission cable is skillfully utilized as the signal transmission medium, and the modulated carrier carrying the digital signal is outputted through the transmission cable. Therefore, the digital signal generating apparatus 200 of the present invention has a simple circuit structure, is easy to operate and control, has low cost, and is suitable for large-scale popularization and application, compared with the conventional digital signal generating apparatus 200 having a complicated circuit structure and high cost. Conducive to the outstanding advantages of the popularization of digital communication technology.
  • the present invention also proposes a digital communication system capable of realizing remote digital signal transmission.
  • the digital communication system includes:
  • a digital signal generating device 200 capable of generating a carrier carrying a digital signal conveniently and quickly;
  • a signal processing device 100 that is connected to the digital signal generating device 200 through a power transmission cable and realizes remote communication. among them:
  • the signal generating device 200 includes a power supply port 204, a rectifying circuit 201 input to the power supply port 204, an inrush current generating circuit 202 connected to the rectifying circuit 201, and a connection between the power supply port 204 and the inrush current generating circuit 202. Controller 203;
  • the rectifier circuit 201 is configured to convert the alternating current input through the power supply port 204 into direct current, and supply the direct current to the inrush current generating circuit 202;
  • the controller 203 is configured to alternately generate the first control signal and the second control signal, and sequentially send the first control signal and the second control signal to the inrush current generating circuit 202;
  • the inrush current generating circuit 202 is turned on when receiving the first control signal sent by the controller 203, and is turned off when receiving the second control signal subsequently sent by the controller 203, thereby performing a fast charging and discharging. Operation produces a surge current.
  • the inrush current is superimposed on the waveform transmitted on the transmission cable to form a carrier carrying the digital signal and outputted outward through the transmission cable.
  • the controller 203 can use a power transmission cable as a signal transmission medium, and output a carrier carrying the digital signal to the signal processing device 100 through the power transmission cable.
  • the signal processing device 100 is specifically configured to detect a carrier transmitted by the digital signal generating device 200 via a power transmission cable, and demodulate the carrier according to a preset detection rule to obtain a digital signal carried by the carrier;
  • the detection rule is specifically described as follows: in each complete waveform period of the carrier, the signal processing device 100 detects a half-wave waveform of the unsuperimposed surge current, outputs 0, or detects the superimposed surge current. A corrupted half-wave waveform outputs 1.
  • the digital signal carried by the carrier characterizes the current operating state of the digital signal generating device 200 or characterizes a control command issued by the digital signal generating device 200.
  • the signal processing device 100 can be any type of information processing device with a modem function, such as a computer, a server, a mobile terminal, or the like.
  • the signal processing apparatus 100 includes:
  • a modulation and demodulation circuit 101 for demodulating a carrier transmitted through a power transmission cable by using the above-described detection rule to obtain a digital signal carried by a carrier;
  • the display circuit 102 is connected to the modulation and demodulation circuit 101 for displaying a digital signal carried in the carrier.
  • the present invention also provides a digital communication system capable of skillfully utilizing a power transmission cable as a transmission medium for realizing remote communication between the digital signal generating apparatus 200 and the information processing apparatus 100.
  • the digital communication system has the outstanding advantages of simple system structure, low cost, and easy popularization.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

La présente invention concerne un appareil de génération de signal numérique (200) et un système de communication numérique. L'appareil de génération de signal numérique (200) comprend un port d'alimentation électrique (204), un circuit de redressement (201) connecté au port d'alimentation électrique (204), un circuit de génération de courant de surtension (202) avec une entrée connectée au circuit de redressement (201), et un dispositif de commande (203) connecté entre le port d'alimentation électrique (204) et le circuit de génération de courant de surtension (202). Le dispositif de commande (203) est utilisé pour générer alternativement un premier signal de commande et un deuxième signal de commande. Le circuit de génération de courant de surtension (202) est utilisé pour être conduit lorsque le premier signal de commande est initialement reçu, et coupé lorsque le deuxième signal de commande est ensuite reçu, de façon à exécuter une opération de charge/décharge rapide pour générer un courant de surtension. Le courant de surtension est superposé sur une forme d'onde transmise sur un câble de transmission d'alimentation pour former une porteuse portant un signal numérique, délivrée à l'extérieur par le câble de transmission d'alimentation.
PCT/CN2018/079739 2017-03-23 2018-03-21 Appareil de génération de signal numérique et système de communication numérique WO2018171612A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1913948.4A GB2574565B (en) 2017-03-23 2018-03-21 Digital signal generating apparatus and digital communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710178843.4 2017-03-23
CN201710178843.4A CN108631821A (zh) 2017-03-23 2017-03-23 一种数字信号产生装置及数字通信系统

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WO2018171612A1 true WO2018171612A1 (fr) 2018-09-27

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GB (1) GB2574565B (fr)
WO (1) WO2018171612A1 (fr)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN113922796A (zh) * 2020-07-10 2022-01-11 深圳市达特照明股份有限公司 一种基于直流两线的供电兼具通信电路及其方法
CN114531178A (zh) * 2022-01-28 2022-05-24 珠海昇生微电子有限责任公司 一种充电及双向通讯系统与方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111404638B (zh) * 2019-12-16 2022-10-04 王振江 一种数字信号传输方法

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JP2010169630A (ja) * 2009-01-26 2010-08-05 Shindengen Electric Mfg Co Ltd サージ試験装置
CN202033430U (zh) * 2011-01-06 2011-11-09 浙江瑞德电子科技有限公司 一种浪涌干扰信号发生器
CN103248339A (zh) * 2013-04-24 2013-08-14 深圳市中电华星电子技术有限公司 高能量浪涌矩形波信号发生电路

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CA1128162A (fr) * 1977-11-17 1982-07-20 Paul E. Belcher Telecommande d'alimentation de secteur a impulsions de commande aux zeros de l'onde alternative
US5691691A (en) * 1997-01-06 1997-11-25 Motorola, Inc. Power-line communication system using pulse transmission on the AC line
CN105992419B (zh) * 2015-03-04 2022-09-06 佛山市顺德区美的电热电器制造有限公司 电磁加热系统及其开关管的过零开通检测方法、装置

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Publication number Priority date Publication date Assignee Title
JP2010169630A (ja) * 2009-01-26 2010-08-05 Shindengen Electric Mfg Co Ltd サージ試験装置
CN202033430U (zh) * 2011-01-06 2011-11-09 浙江瑞德电子科技有限公司 一种浪涌干扰信号发生器
CN103248339A (zh) * 2013-04-24 2013-08-14 深圳市中电华星电子技术有限公司 高能量浪涌矩形波信号发生电路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113922796A (zh) * 2020-07-10 2022-01-11 深圳市达特照明股份有限公司 一种基于直流两线的供电兼具通信电路及其方法
CN114531178A (zh) * 2022-01-28 2022-05-24 珠海昇生微电子有限责任公司 一种充电及双向通讯系统与方法

Also Published As

Publication number Publication date
GB2574565B (en) 2022-03-16
CN108631821A (zh) 2018-10-09
GB2574565A (en) 2019-12-11
GB201913948D0 (en) 2019-11-13

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