CN103220017B - Communication system for distributing electric energy and signal and control method thereof - Google Patents

Communication system for distributing electric energy and signal and control method thereof Download PDF

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CN103220017B
CN103220017B CN201310067333.1A CN201310067333A CN103220017B CN 103220017 B CN103220017 B CN 103220017B CN 201310067333 A CN201310067333 A CN 201310067333A CN 103220017 B CN103220017 B CN 103220017B
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signal
processor cpu
power bus
host computer
communication
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CN103220017A (en
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黄聪文
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Zhuhai Zhong Cheng Electric Appliance Co Ltd
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Abstract

The invention provides a communication system for distributing electric energy and signals, which comprises a host system and a slave system, wherein the slave system is connected in parallel to a power bus connected out from the host system, the host system comprises a direct-current power supply, the direct-current power supply is connected out of the power bus, the direct-current power supply is connected to a processor CPU of the host system after passing through a first voltage stabilizing circuit, the processor CPU of the host system is connected to a first switch after passing through an electronic switch driving circuit, and the other end of the first switch is connected to an anode line of the power bus; the slave system comprises a processor CPU of the slave system, a positive line of a power bus is connected to the processor CPU of the slave system after passing through a signal detection circuit, and a capacitor is connected in parallel between the positive line and a negative line after passing through a node between the positive line of the power bus and the signal detection circuit, and is connected to the processor CPU of the slave system through a second voltage stabilizing circuit.

Description

The communication system of distribution electric energy and signal and control method thereof
Technical field
The present invention relates to communication system and the control method thereof of distribution electric energy and signal.
Background technology
Wire communication uses at most at present, communication mode the most reliably, such as present Ethernet, telephone wire, 485 communications, CAN communication etc.Power line communication technology is called for short PLC technology, it is a kind of communication mode utilizing power distribution network low-voltage circuit to transmit preface, there is following problem in this technology: 1, distribution transformer has iris action to power carrier signal, so power carrier signal can only transmit in a distribution transformer regional extent, this has had very large restriction to the interconnected of network; 2, the loading interfaces on low tension wire is more, and electrical equipment frequency characteristic is different, and impedance time variation and randomness are large, are difficult to accomplish impedance matching, and there is the interference signal that larger frequency differs; 3, there is impulse disturbances inherently in power line, and in ac cycle each time, occur two minor peaks, two minor peaks will bring the interference of two subpulses; 4, power line causes high reduction to carrier signal.When load on power line is very heavy, line impedance can reach 1 ohm once, causes and cuts down the height of carrier signal; 5, there is high noisy in power line.Power line is connected to various power consumption equipment, resistive, perception, capacitive, have powerful, low power, various power consumption equipment is frequent switch often, will bring various noise jamming, and Amplitude Ratio is larger to power line; 6, power line causes data-signal to be out of shape.Power line is the network of a distributed constant, difference is different on data-signal impact, different time is also different on data-signal impact, this just makes the regular data signal sent after power line, receiving signal is gross distortion, uneven signal, so must special processing in addition; 7, overseas power networks structure is compared with China and is made a big difference, external product cannot use in China, the inadequate specification of low-voltage distributing line of residential quarter, and it is uneven that user fits up power-supply wiring level, the quality of supply socket is different, and what all meet people to broadband over power line brings a difficult problem.
For the deficiency of wired communication, in prior art, a large amount of short-distance wireless communication technologies is also proposed, but also there is following problem in these short-distance wireless communication technologies: 1, poor anti jamming capability: near have stronger air interference that communication distance can be caused short, such as high power television machine, the unlatching of air-conditioning, communication broadcast launching tower etc. all can produce strong jamming to wireless module; 2, multiple communication is simultaneously when communicating, and can affect to some extent the communication distance of module; 3, communication is unstable: can result in blockage when the interference of adjacent frequency or multiple passage communicate simultaneously and cause communication instability to be paralysed even completely.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of designs simplification, the communication system of the distribution electric energy that stability is high and signal and control method thereof.
The invention provides a kind of communication system of distributing electric energy and signal, comprise host computer system and slave system, slave system is connected in parallel on the power bus that picked out by host computer system, described host computer system comprises DC power supply, described DC power supply picks out described power bus, described DC power supply is connected to the processor CPU of host computer system after the first voltage stabilizing circuit, the processor CPU of described host computer system is connected to the first switch after electronic switch drive circuit, and the described first switch other end is connected on the electrode line of power bus; Described slave system comprises the processor CPU of slave system, the electrode line of power bus is connected to the processor CPU of described slave system after signal detection circuit, after node between the electrode line of described power bus and signal detection circuit, through forward diode, shunt capacitance between electrode line and negative line, then the processor CPU being connected to slave system through the second voltage stabilizing circuit.
Further, before the node between the electrode line and signal detection circuit of described power bus, electrode line is provided with diode.
Further, before the node between the electrode line and signal detection circuit of power bus, power bus is provided with the rectification circuit be made up of four diodes.
Further, bypass is passed through between the electrode line of described power bus and negative line, described bypass is provided with low resistance resistance, and the processor CPU of slave system is connected to one end of second switch by electronic switch drive circuit, the other end of second switch is connected with bypass.
Further, described host computer system comprises DC power supply, described DC power supply picks out described power bus, described DC power supply is connected to the processor CPU of host computer system after the first voltage stabilizing circuit, the processor CPU of described host computer system is connected to the first switch after electronic switch drive circuit, the described first switch other end is connected on the electrode line of power bus, and the processor CPU of host computer system is connected in the negative line of power bus through shaping circuit and power amplifier circuit.
Present invention also offers a kind of control method of distributing the communication system of electric energy and signal, when detect power bus has signal of communication time, signal of communication is sent to the processor CPU of slave system, the power supply that power bus provides is in the filtering through electric capacity, after the voltage stabilizing process of the second voltage stabilizing circuit, be delivered in the processor CPU of slave system.
Further, described host computer system comprises DC power supply, described DC power supply picks out described power bus, described DC power supply is connected to the processor CPU of host computer system after the first voltage stabilizing circuit, the processor CPU of described host computer system is connected to the first switch after electronic switch drive circuit, the described first switch other end is connected on the electrode line of power bus, when the first switch closes, the signal of communication that the processor CPU of described host computer system sends, electronic switch drive circuit carrys out driving switch and closes, signal of communication exports slave system to via described electrode line.
Present invention also offers a kind of control method of distributing the communication system of electric energy and signal, when detect power bus has signal of communication time, signal of communication is sent to the processor CPU of slave system, the power supply that power bus provides is in the filtering through electric capacity, after the voltage stabilizing process of the second voltage stabilizing circuit, be delivered in the processor CPU of slave system, the processor CPU of slave system is after receiving signal of communication, processed, second switch is driven to close by the electronic switch drive circuit on slave system, signal of communication after the processor CPU process of slave system is delivered in the negative line of power bus.
Further, described host computer system comprises DC power supply, described DC power supply picks out described power bus, described DC power supply is connected to the processor CPU of host computer system after the first voltage stabilizing circuit, the processor CPU of described host computer system is connected to the first switch after electronic switch drive circuit, the described first switch other end is connected on the electrode line of power bus, the processor CPU of host computer system is connected to the negative line of power bus through shaping circuit and power amplifier circuit, when the first switch closes, the signal of communication that the processor CPU of described host computer system sends, electronic switch drive circuit carrys out driving switch and closes, signal of communication exports slave system to via described electrode line, the signal of communication that the processor CPU of described slave system sends is delivered in power bus negative line through the power amplifier circuit of host computer system and shaping circuit, be transmitted back to the processor CPU of host computer system.
Because adopt communication system and the control method thereof of distribution electric energy provided by the invention and signal, by the simplified design to host computer system, and utilize the transmission of switch control rule signal of communication, when detect power bus has signal of communication time, signal of communication is sent to the processor CPU of slave system, the power supply that power bus provides is in the filtering through electric capacity, after the voltage stabilizing process of the second voltage stabilizing circuit, be delivered in the processor CPU of slave system, thus reach electric energy and information in separately transmission, save communication line simultaneously, directly use power line transmission of digital signals, save construction cost, terminal equipment cost is low, be conducive to the technique effect popularized.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the communication system topologies figure of distribution electric energy that the embodiment of the present invention 1 provides and signal;
Fig. 2 shows the host computer system circuit diagram that the embodiment of the present invention 1 provides;
Fig. 3 shows the slave system circuit diagram that the embodiment of the present invention 1 provides;
Fig. 4 shows the slave system circuit diagram that the embodiment of the present invention 2 provides;
Fig. 5 shows the slave system circuit diagram that the embodiment of the present invention 3 provides;
Fig. 6 shows the host computer system circuit diagram that the embodiment of the present invention 4 provides;
Fig. 7 shows the slave system circuit diagram that the embodiment of the present invention 4 provides;
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Embodiment 1
As shown in Figure 1, embodiments provide a kind of communication system and control method thereof of distributing electric energy and signal, comprise 1 host computer system and multiple slave system, host computer system external power supply bus 200, power bus 200 comprises electrode line and negative line, and slave system is connected in parallel on power bus 200, and host computer system is by power bus 200 outwards output communication signal, be such as square-wave signal, slave system is by power bus 200 receiving communication signal.
See Fig. 2, host computer system comprises DC power supply, DC power supply connects power bus 200, DC power supply is connected to the processor CPU of host computer system after the first voltage stabilizing circuit, and the processor CPU of host computer system is connected to the first switch 300 on the electrode line of power bus 200 after electronic switch drive circuit.
See Fig. 3, slave system comprises processor CPU, the electrode line of power bus 200 is connected to processor CPU after signal detection circuit, after node between the electrode line of power bus 200 and signal detection circuit, through forward diode 100, shunt capacitance 500 between electrode line and negative line, then the processor CPU being connected to slave system through the second voltage stabilizing circuit.
Signal of communication is sent by the processor CPU of host computer system, electrode line through power bus 200 transfers to each slave system, the break-make of the first switch 300 is driven by electronic switch drive circuit, to control the opportunity that sends and the frequency of signal of communication, when the detecting of slave system power bus 200 has signal of communication, signal of communication is sent to the processor CPU of slave system, and the power supply that power bus 200 provides is in the filtering through electric capacity 500, after the voltage stabilizing process of the second voltage stabilizing circuit, be delivered in the processor CPU of slave system.
Embodiment 2
Compared with embodiment 1, present embodiments provide another kind of slave system, see Fig. 4, slave system comprises processor CPU, the electrode line of power bus 200 is connected to processor CPU after signal detection circuit, before the node between the electrode line and signal detection circuit of power bus 200, electrode line is provided with diode 100, after the node between the electrode line and signal detection circuit of power bus 200, electrode line is through forward diode 100, shunt capacitance 500 between electrode line and negative line, the processor CPU of slave system is connected to again through the second voltage stabilizing circuit.Like this, by arranging diode 100 before the node between the electrode line and signal detection circuit of power bus 200, can the guiding of stabilized communication signal and transmission better.
Embodiment 3
Compared with embodiment 1, present embodiments provide another kind of slave system, see Fig. 5, slave system comprises processor CPU, the electrode line of power bus 200 is connected to processor CPU after signal detection circuit, before the node between the electrode line and signal detection circuit of power bus 200, power bus 200 is provided with the rectification circuit be made up of four diodes 100, after the node between the electrode line and signal detection circuit of power bus 200, electrode line is through forward diode 100, shunt capacitance 500 between electrode line and negative line, the processor CPU of slave system is connected to again through the second voltage stabilizing circuit.By before the node between the electrode line and signal detection circuit of power bus 200, the rectification circuit be made up of four diodes 100 is set, can make power bus 200 assist band power supply signal and signal of communication more stable.
Embodiment 4
As shown in Figure 1, embodiments provide a kind of communication system and control method thereof of distributing electric energy and signal, comprise 1 host computer system and multiple slave system, host computer system external power supply bus 200, power bus 200 comprises electrode line and negative line, and slave system is connected in parallel on power bus 200, and host computer system is by power bus 200 outwards output communication signal, be such as square-wave signal, slave system is by power bus 200 receiving communication signal.
See Fig. 6, host computer system comprises DC power supply, DC power supply picks out power bus 200, DC power supply is connected to processor CPU after the first voltage stabilizing circuit, the other end that processor CPU is connected to the first switch 300, first switch 300 after electronic switch drive circuit is connected on the electrode line of power bus 200.The negative line of power bus 200 is provided with low resistance resistance 401, and processor CPU, successively through shaping circuit and current amplifier, is connected in the negative line of power bus 200.
See Fig. 7, slave system comprises processor CPU, the electrode line of power bus 200 is connected to processor CPU after signal detection circuit, after node between the electrode line of power bus 200 and signal detection circuit, through forward diode 100, shunt capacitance 500 between electrode line and negative line, the processor CPU of slave system is connected to again through the second voltage stabilizing circuit, bypass is passed through between the electrode line of power bus 200 and negative line, bypass is provided with low resistance resistance 400, the processor CPU of slave system is connected to the first end of second switch 301 by electronic switch drive circuit, the other end of second switch 301 is connected with bypass.
Signal of communication is sent by the processor CPU of host computer system, electrode line through power bus 200 transfers to each slave system, the break-make of the first switch 300 is driven by electronic switch drive circuit, to control the opportunity that sends and the frequency of signal of communication, when the electrode line that the signal detection circuit of slave system detects power bus 200 having signal of communication, signal of communication is sent to the processor CPU of slave system, and the power supply that power bus 200 provides is in the filtering through electric capacity 500, after the voltage stabilizing process of the second voltage stabilizing circuit, be delivered in the processor CPU of slave system, the processor CPU of slave system is after receiving signal of communication, processed, second switch 301 is driven to close by the electronic switch drive circuit on slave system, signal of communication after the processor CPU process of slave system is delivered in the negative line of power bus 200, host computer system is after receiving the signal of communication in negative line, signal of communication is successively through current amplifier and shaping circuit, be delivered in the processor CPU of host computer system.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. distribute the communication system of electric energy and signal for one kind, comprise host computer system and slave system, slave system is connected in parallel on the power bus that picked out by host computer system, it is characterized in that, described host computer system comprises DC power supply, described DC power supply picks out described power bus, described DC power supply is connected to the processor CPU of host computer system after the first voltage stabilizing circuit, the processor CPU of described host computer system is connected to the first switch after electronic switch drive circuit, and the described first switch other end is connected on the electrode line of power bus; Described slave system comprises the processor CPU of slave system, the electrode line of power bus is connected to the processor CPU of described slave system after signal detection circuit, after node between the electrode line of described power bus and signal detection circuit, through forward diode, shunt capacitance between electrode line and negative line, then the processor CPU being connected to slave system through the second voltage stabilizing circuit.
2. the communication system of distribution electric energy as claimed in claim 1 and signal, is characterized in that, before the node between the electrode line and signal detection circuit of described power bus, electrode line is provided with diode.
3. the communication system of distribution electric energy as claimed in claim 1 and signal, is characterized in that, before the node between the electrode line and signal detection circuit of power bus, power bus is provided with the rectification circuit be made up of four diodes.
4. the communication system of distribution electric energy as claimed in claim 1 and signal, it is characterized in that, bypass is passed through between the electrode line of described power bus and negative line, described bypass is provided with low resistance resistance, the processor CPU of slave system is connected to one end of second switch by electronic switch drive circuit, the other end of second switch is connected with bypass.
5. the communication system of distribution electric energy as claimed in claim 4 and signal, it is characterized in that, described host computer system comprises DC power supply, described DC power supply picks out described power bus, described DC power supply is connected to the processor CPU of host computer system after the first voltage stabilizing circuit, the processor CPU of described host computer system is connected to the first switch after electronic switch drive circuit, the described first switch other end is connected on the electrode line of power bus, and the processor CPU of host computer system is connected in the negative line of power bus through shaping circuit and power amplifier circuit.
6. the control method of the communication system of a distribution electric energy according to claim 1 or 2 or 3 and signal, it is characterized in that, when signal detection circuit detect power bus has signal of communication time, signal of communication is sent to the processor CPU of slave system, the power supply that power bus provides is in the filtering through electric capacity, after the voltage stabilizing process of the second voltage stabilizing circuit, be delivered in the processor CPU of slave system.
7. the control method of the communication system of distribution electric energy according to claim 6 and signal, it is characterized in that, described host computer system comprises DC power supply, described DC power supply picks out described power bus, described DC power supply is connected to the processor CPU of host computer system after the first voltage stabilizing circuit, the processor CPU of described host computer system is connected to the first switch after electronic switch drive circuit, the described first switch other end is connected on the electrode line of power bus, when the first switch closes, the signal of communication that the processor CPU of described host computer system sends, electronic switch drive circuit carrys out driving switch and closes, signal of communication exports slave system to via described electrode line.
8. the control method of the communication system of a distribution electric energy according to claim 4 and signal, it is characterized in that, when signal detection circuit detect power bus has signal of communication time, signal of communication is sent to the processor CPU of slave system, the power supply that power bus provides is in the filtering through electric capacity, after the voltage stabilizing process of the second voltage stabilizing circuit, be delivered in the processor CPU of slave system, the processor CPU of slave system is after receiving signal of communication, processed, second switch is driven to close by the electronic switch drive circuit on slave system, signal of communication after the processor CPU process of slave system is delivered in the negative line of power bus.
9. the control method of the communication system of distribution electric energy according to claim 8 and signal, it is characterized in that, described host computer system comprises DC power supply, described DC power supply picks out described power bus, described DC power supply is connected to the processor CPU of host computer system after the first voltage stabilizing circuit, the processor CPU of described host computer system is connected to the first switch after electronic switch drive circuit, the described first switch other end is connected on the electrode line of power bus, the processor CPU of host computer system is connected to the negative line of power bus through shaping circuit and power amplifier circuit, when the first switch closes, the signal of communication that the processor CPU of described host computer system sends, electronic switch drive circuit carrys out driving switch and closes, signal of communication exports slave system to via described electrode line, the signal of communication that the processor CPU of described slave system sends is delivered in power bus negative line through the power amplifier circuit of host computer system and shaping circuit, be transmitted back to the processor CPU of host computer system.
CN201310067333.1A 2013-03-04 2013-03-04 Communication system for distributing electric energy and signal and control method thereof Active CN103220017B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104332043A (en) * 2014-10-15 2015-02-04 深圳华远微电科技有限公司 Remote temperature and humidity monitoring system and method
CN105262501A (en) * 2015-11-03 2016-01-20 福州东日信息技术有限公司 Slave computer receiver, receiving system and slave computer receiving and sending system
CN110086505A (en) * 2019-04-17 2019-08-02 广东明丰电源电器实业有限公司 A kind of system that data are transmitted by direct current supply line copped wave
CN110555985A (en) * 2019-08-30 2019-12-10 深圳市中孚能电气设备有限公司 Data transmission method, device, equipment and storage medium

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CN1649281A (en) * 2004-12-30 2005-08-03 郭建国 Asymmetric power carrier wave communication device
CN1921329A (en) * 2006-09-13 2007-02-28 浙江大学 Power cord chopped wave communication transmitting-receiving circuit
CN200953558Y (en) * 2006-09-13 2007-09-26 浙江大学 Electric source wire chopping communication transmitting-receiving circuit
CN203225750U (en) * 2013-03-04 2013-10-02 黄聪文 Communication system for distributing power and signals

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN1649281A (en) * 2004-12-30 2005-08-03 郭建国 Asymmetric power carrier wave communication device
CN1921329A (en) * 2006-09-13 2007-02-28 浙江大学 Power cord chopped wave communication transmitting-receiving circuit
CN200953558Y (en) * 2006-09-13 2007-09-26 浙江大学 Electric source wire chopping communication transmitting-receiving circuit
CN203225750U (en) * 2013-03-04 2013-10-02 黄聪文 Communication system for distributing power and signals

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Effective date of registration: 20170324

Address after: Xiangzhou District 519075 of Guangdong city of Zhuhai Province Hua Yu Lu 601 Building No. 3 (building three Room 303) third layer in Zhuhai into electrical appliance Co. Ltd.

Patentee after: Zhuhai Zhong Cheng Electric Appliance Co., Ltd.

Address before: 528463 A District, Zhongshan City, Guangdong Province, No. 248 Pingchang Road, No. three

Patentee before: Huang Congwen