CN103207599A - Pulse communication and control system based on alternating current power supply return circuit - Google Patents
Pulse communication and control system based on alternating current power supply return circuit Download PDFInfo
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- CN103207599A CN103207599A CN2013100589331A CN201310058933A CN103207599A CN 103207599 A CN103207599 A CN 103207599A CN 2013100589331 A CN2013100589331 A CN 2013100589331A CN 201310058933 A CN201310058933 A CN 201310058933A CN 103207599 A CN103207599 A CN 103207599A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a pulse communication and control system based on an alternating current power supply return circuit. The pulse communication and control system based on the alternating current power supply return circuit is characterized by comprising at least one control device of the alternating current power supply return circuit. The control devices adopt output control elements to control various connection and disconnection of waveforms of alternating current half waves output by alternating current power supply in different time intervals so as to form different half-wave cutting assemblies which serve as control signals sent to the control devices in the alternating current power supply return circuit. The pulse communication and control system based on the alternating current power supply return circuit achieves control and low-speed information transfer among electrical devices in the alternating current power supply return circuit, has no communication dead angle, has extremely high reliability and stability, and is simple, flexible and low in installation cost.
Description
Technical field
The present invention relates to field of intelligent control technology, particularly a kind of pulse communication and control system based on ac power supply circuit.
Background technology
In existing civilian power line communication and control technology, mainly be to adopt with line of electric force as transmission medium, and by the high-frequency signal of its transmission through ovennodulation, thereby realizing the communication of electric power built-in unit and the technology of control, it is X-10 technology and the improvement system thereof of the U.S. that this technology mainly represents.But this technology is difficult to obtain good communication reliability and system stability guarantee always in the civilian electric power environmental of China, one of the main reasons is that the present civilian and domestic electric appliance of China is most of not through the pressure standard control of electromagnetic compatibility, causes its carrier information to be difficult to realize reliable transmission because of ambient noise interference.If strengthen the output power of power carrier, be easy to again cause high frequency radiation to send a telegraph the magnetic environment pollution by the antenna effect of line of electric force, simultaneously, also reduced communication efficiency.
In addition, the controlled in wireless technology is to use in recent years to exempt from the control technology that connects up faster, as RF (radio frequency) (315/433MHz) and ZigBee (2.4G) technology.RF is because the location of itself is the point-to-point communication for low frequency, micropower; be difficult to set up complicated network class control system; its frequency also is the universal frequency that only is used for simple electronic equipment such as telepilot, alarm, toy; therefore; application under this frequency is very chaotic, be full of interference; simultaneously, the ability that penetrates of its long-distance transmissions and barrier is also lower.ZigBee (cellular communication) is though technology is the Wireless mesh technology that is suitable for very much as simple control system, but, its mesh network and micropower characteristics have determined that only its reliability just can be more high under the more many situations of control node, less at the number of nodes of installing so, distance is far away relatively, especially need to see through under the environment of multiple combination obstacle thing, just the communication dead angle may occur, and the system cost cost is very high.
Summary of the invention
The invention provides a kind of pulse communication and control system based on ac power supply circuit, to realize the control between each electric equipment in the ac power supply circuit and the transmission of low speed information.Do not have the communication dead angle, have high reliability and stability, system is simple, flexible, and installation cost is cheap.
To achieve these goals, the invention provides following technical scheme:
A kind of pulse communication and control system based on ac power supply circuit, it comprises: the opertaing device of at least one ac power supply circuit, described opertaing device has adopted the output control element that the waveform of the alternating current half-wave of its Alternating Current Power Supply output is carried out various break-makes controls in the different periods, to form different half-wave cutting combinations, as the control signal that sends to controlled plant in the described ac power supply circuit.
Preferably, described opertaing device is a plurality of carry out series, parallel or cascades, each opertaing device has an output control terminal mouth or a plurality of output control terminal mouth, and described opertaing device is the intelligent controller of CPU or for normally closed type mechanical return switch or be the assembly of normally closed type mechanical return switch and commutation diode.
Preferably, comprise in the described half-wave cutting combination: the front and back of the positive and negative half-wave of alternating current are along the combination of chopped pulse; The combination of the combination of the positive and negative half-wave pulse string of alternating current and zero half-wave.
Preferably, also comprise: the controlled plant at least one ac power supply circuit, described controlled plant receives the control signal that comes from described opertaing device by detecting the cutting combination of the alternating current half-wave pulse power supply on the described ac power supply circuit in its place.
Preferably, described opertaing device receives the feedback signal of the fictitious load half-wave current pulse combined that comes from controlled plant in this control output loop also by the current detecting to its control output loop, to realize both-way communication.
Preferably, the also break-make control on edge before and after the alternating current half-wave by fictitious load being carried out different time and the described alternating current half-wave of described controlled plant, formed the composite signal of half-wave current pulse, with the signal feedback to the opertaing device described in this loop, controlled plant place.
Preferably, described controlled plant is one or for a plurality of being connected in parallel in the same current supply circuit, described controlled plant is: terminal appliance, output device, sensor, display or interface that terminal appliance is controlled.
By implementing above technical scheme, has following technique effect: pulse communication and control system based on ac power supply circuit provided by the invention, having taken full advantage of ready-made Alternating Current Power Supply itself is not only transmission medium as the controllable signal source directly, employing is to the control of the pulse combined signal of alternating current half-wave cutting and detect shape means and realize based on the highly reliable communication of the equipment room of ac power supply circuit and the technological innovation of control, compare with the system that adopts traditional power carrier control technology, because the amplitude of communication signal is enough powerful, has overcome system fully and be subjected to the fatal influence that the interference of power line environment medium-high frequency brings system; Simultaneously, as long as also realized having just communication and the control reliably of place of Alternating Current Power Supply, compare with the system of controlled in wireless technology, solved the dead angle problem of communication fully.Therefore, system provided by the invention is the control system that connects up of exempting from high reliability.
Simultaneously, the equipment of system provided by the present invention is simpler, flexible and cheap, and additional facilities such as any high-frequency isolation device, transponder also need not be installed, and has reduced the overall cost of system significantly.
System provided by the invention is under the prerequisite that need not newly-increased any preheating embedding line, take full advantage of existing ac power supply line the consumer in the loop carried out highly reliable Based Intelligent Control and network management, and with this as the application technology basis of connecting up of exempting from of setting up Internet of Things.
Description of drawings
The opertaing device Alternating Current Power Supply half-wave cutoff signal output that Fig. 1 embodiment of the invention provides and detection schematic diagram;
The controlled plant fictitious load half-wave control signal feedback that Fig. 2 embodiment of the invention provides and detection schematic diagram;
Edge cutting assembled pulse control signal figure before and after the opertaing device half-wave that Fig. 3 embodiment of the invention provides;
Assembled pulse control signal figure behind the controlled plant filter shape that Fig. 4 embodiment of the invention provides;
The positive half-wave burst signal figure of the opertaing device output that Fig. 5 embodiment of the invention provides;
The negative half-wave pulse string signal figure of the opertaing device output that Fig. 6 embodiment of the invention provides;
The fictitious load half-wave current pulse signal figure of the controlled plant that Fig. 7 embodiment of the invention provides;
The signal graph of the opertaing device that Fig. 8 embodiment of the invention provides after to fictitious load current impulse shaping;
The application implementation illustration that Fig. 9 embodiment of the invention provides.
Embodiment
Technical scheme is for a better understanding of the present invention described embodiment provided by the invention in detail below in conjunction with accompanying drawing.
The embodiment of the invention provides a kind of pulse communication and control system based on ac power supply circuit, comprise: the opertaing device of at least one ac power supply circuit, as shown in Figure 1, this ac circuit comprises the L utmost point and the N utmost point, opertaing device carries out half-wave pulse output control, and controlled plant is carried out half-wave pulse detect, concrete, described opertaing device has adopted the output control element that the waveform of the alternating current half-wave of its Alternating Current Power Supply output is carried out various break-makes controls in the different periods, to form different half-wave cutting combinations, as the control signal that sends to controlled plant in the described ac power supply circuit.
In the above-described embodiments, preferably, comprise in the described half-wave cutting combination: the front and back of the positive and negative half-wave of alternating current as shown in Figure 3 are along the combination of chopped pulse, and the time period comprises: T1, T2, T3, T4, T5 and T6; The combination of the combination of the positive and negative half-wave pulse string of alternating current as shown in Figure 5 and Figure 6 and zero half-wave, time period includes: it is a kind of special case of half-wave cutting combination that T1, T2, T3, T4, T5 and T6, described zero half-wave are combined as equivalent when current supply circuit was opened a way in moment.
Meanwhile, described controlled plant detects the alternating current half-wave cutting pulse combined of opertaing device output, and through obtaining full sized pules composite signal as shown in Figure 4 after filtering and the shaping, the time period comprises: T1, T2, T3, T4, T5 and T6.
In the above-described embodiments, preferably, described opertaing device is at least one, also can a plurality ofly carry out series, parallel or cascade, and each opertaing device has an output control terminal mouth at least, and a plurality of output control terminal mouths also can be arranged.Opertaing device can be the intelligent controller that adopts CPU, also can be the assembly of a simple normally closed type mechanical return switch or itself and commutation diode
In other embodiments, on the various embodiments described above basis, further, this system also comprises: the controlled plant at least one ac power supply circuit, described controlled plant receives the control signal that comes from described opertaing device by detecting the cutting combination of the alternating current half-wave pulse power supply on the described ac power supply circuit in its place.
In other embodiments, on the various embodiments described above basis, further, described opertaing device is also by the current detecting to its control output loop, reception comes from the feedback signal of the fictitious load half-wave current pulse combined of controlled plant in this control output loop, to realize both-way communication.
In other embodiments, on the various embodiments described above basis, further, described controlled plant also can be by fictitious load being carried out different time the alternating current half-wave and described alternating current half-wave before and after the break-make control on edge, formed the composite signal of half-wave current pulse as shown in Figure 7, time period comprises: T1, T2, T3, T4, T5 and T6, and with the signal feedback to the opertaing device described in this loop, controlled plant place.Meanwhile, described opertaing device can also carry out the half-wave pulse current detecting at its output control terminal mouth of powering, and by relatively and the full sized pules feedback signal of shaping acquisition controlled plant as shown in Figure 8, the time period comprises: T1, T2, T3, T4, T5 and T6.
In the above-described embodiments, described controlled plant is at least one, also can a plurality ofly be connected in parallel in the same current supply circuit, and controlled plant both can be the control output device to terminal appliance, controlled plant itself can directly be terminal appliance again, can also be sensor, display, interface etc.
The Application Example of said system is provided below:
In this application embodiment, as shown in Figure 9, this opertaing device is the output of single service loop, corresponding controlled plant is a plurality of: controlled plant 1, controlled plant 2, controlled plant 3..., in other embodiments, opertaing device also can have the output in a plurality of loops, can also a plurality of opertaing device series, parallel or cascade.
In this application embodiment, as shown in Figure 9, each controlled plant has connected can export a terminal of control by it: controlled plant 1 connection terminal 1, controlled plant 2 connect terminals 2, controlled plant 3 connects terminal 3... in other embodiments, and a controlled plant in the system also can connect a plurality of terminals or itself is as a terminal.
In this application embodiment: described opertaing device is implemented the terminal of its connection is controlled by any controlled plant in the loop, comprising: the state control of terminal, demonstration control, data output etc.After this controlled successfully, controlled plant fed back to opertaing device with the status data of its control terminal again, and finished the process of control.
In this application embodiment, the terminal device of controlling by the output of controlled plant is electric light.
In other embodiments, the terminal of controlling by the output of controlled plant can also be other electric equipment or various sensor, display, interface etc.
In this application embodiment, further, this system also comprises: with normally closed reset switch be series among the current supply circuit with controlled plant again after commutation diode is in parallel, or directly normally closed reset switch and controlled plant are series among the current supply circuit, to utilize mechanical switch the terminal of controlled plant output control is realized simple manually control.This normally closed reset switch is mechanical type, and described normally closed reset switch is in parallel with commutation diode to be comprised: the forward parallel connection of commutation diode, the negative sense parallel connection of commutation diode.
In this application embodiment, when normally closed reset switch is opened a way triggering in short-term, commutation diode in parallel and controlled plant form series loop, and the alternation train of impulses combination that has produced forward or negative sense, simultaneously, also be included in when not having commutation diode in parallel, the moment open circuit in loop also is equal to special zero half-wave string combination.At this moment, controlled plant is equal to the half-wave pulse string composite signal that described opertaing device sends after detecting this half-wave pulse string combination, thereby reaches the purpose of controlled plant being implemented hand switch control.This normally closed reset switch can be used as the simple alternative of described opertaing device and replenishes, and has constituted manual control and cooperatively interacting and mutually redundant effect of controlling automatically.
In this application embodiment, preferably, described controlled plant is lamp dimmer.
In other embodiments, this system also can be used for controlling and manage other equipment as required or realize that other function uses.
More than a kind of pulse communication and control system based on ac power supply circuit that the embodiment of the invention is provided be described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. pulse communication and control system based on an ac power supply circuit, it is characterized in that, comprise: the opertaing device of at least one ac power supply circuit, described opertaing device has adopted the output control element that the waveform of the alternating current half-wave of its Alternating Current Power Supply output is carried out various break-makes controls in the different periods, to form different half-wave cutting combinations, as the control signal that sends to controlled plant in the described ac power supply circuit.
2. system according to claim 1, it is characterized in that, described opertaing device is a plurality of carry out series, parallel or cascades, each opertaing device has an output control terminal mouth or a plurality of output control terminal mouth, and described opertaing device is the intelligent controller of CPU or for normally closed type mechanical return switch or be the assembly of normally closed type mechanical return switch and commutation diode.
3. as system as described in the claim 2, it is characterized in that comprise in the described half-wave cutting combination: the front and back of the positive and negative half-wave of alternating current are along the combination of chopped pulse; The combination of the combination of the positive and negative half-wave pulse string of alternating current and zero half-wave.
4. as system as described in the claim 1,2 or 3, it is characterized in that, also comprise: the controlled plant at least one ac power supply circuit, described controlled plant receives the control signal that comes from described opertaing device by detecting the cutting combination of the alternating current half-wave pulse power supply on the described ac power supply circuit in its place.
5. as system as described in the claim 4, it is characterized in that, described opertaing device receives the feedback signal of the fictitious load half-wave current pulse combined that comes from controlled plant in this control output loop also by the current detecting to its control output loop, to realize both-way communication.
6. as system as described in the claim 5, it is characterized in that, the also break-make control on edge before and after the alternating current half-wave by fictitious load being carried out different time and the described alternating current half-wave of described controlled plant, formed the composite signal of half-wave current pulse, with the signal feedback to the opertaing device described in this loop, controlled plant place.
7. as system as described in claim 4 or 5, it is characterized in that, described controlled plant is one or for a plurality of being connected in parallel in the same current supply circuit, described controlled plant is: terminal appliance, output device, sensor, display or interface that terminal appliance is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310058933.1A CN103207599B (en) | 2013-02-25 | 2013-02-25 | A kind of burst communication based on ac power supply circuit and control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310058933.1A CN103207599B (en) | 2013-02-25 | 2013-02-25 | A kind of burst communication based on ac power supply circuit and control system |
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| CN103207599A true CN103207599A (en) | 2013-07-17 |
| CN103207599B CN103207599B (en) | 2015-11-25 |
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| CN201310058933.1A Expired - Fee Related CN103207599B (en) | 2013-02-25 | 2013-02-25 | A kind of burst communication based on ac power supply circuit and control system |
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Cited By (5)
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| CN103499933A (en) * | 2013-10-21 | 2014-01-08 | 黎辉 | Multipurpose alternating-current combination control switch |
| CN105188233A (en) * | 2015-10-27 | 2015-12-23 | 杭州中恒派威电源有限公司 | Single-phase bridge type alternating current communication and power supply device and control method thereof |
| CN105528887A (en) * | 2014-09-29 | 2016-04-27 | 中山市中大半导体照明技术研究有限公司 | Method for controlling alternating current digital coding |
| CN110518579A (en) * | 2019-08-15 | 2019-11-29 | 深圳市奥金瑞科技有限公司 | A kind of method, system and device based on power line transmission control instruction |
| WO2022001792A1 (en) * | 2020-06-29 | 2022-01-06 | 苏州欧普照明有限公司 | Mechanical shear wave switch and device control system |
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| CN110518579A (en) * | 2019-08-15 | 2019-11-29 | 深圳市奥金瑞科技有限公司 | A kind of method, system and device based on power line transmission control instruction |
| WO2022001792A1 (en) * | 2020-06-29 | 2022-01-06 | 苏州欧普照明有限公司 | Mechanical shear wave switch and device control system |
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