CN102116532A - Method and means of controlling an electrical load - Google Patents
Method and means of controlling an electrical load Download PDFInfo
- Publication number
- CN102116532A CN102116532A CN2010101143803A CN201010114380A CN102116532A CN 102116532 A CN102116532 A CN 102116532A CN 2010101143803 A CN2010101143803 A CN 2010101143803A CN 201010114380 A CN201010114380 A CN 201010114380A CN 102116532 A CN102116532 A CN 102116532A
- Authority
- CN
- China
- Prior art keywords
- signal
- broadcasting
- audio
- frequency
- control signal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Images
Abstract
The electrical load control system (10) of the invention is illustrated with reference to a controller (10) intended to control an electrical load constituted by a hot water cylinder (12). The controller (10) relies on a public broadcaster to inject switch actuation codes into the normal signal broadcast by the broadcast, either as radio frequency (RF) signals, preferably in the form of RDS (Radio Data System) signals, or as audio frequency, in-band signals, whether in the form of humanly audible tones or as inaudible tones having an audio frequency outside of the normal humanly audible frequency range. The system or controller (10) comprises, at the load (12), a switch (14) connected in circuit with the electrical load (12). The controller (10) includes a RF receiver (20) preset to receive the RF signal of a predetermined public broadcasting service. In the audio-signal embodiment of the invention, the receiver (20) receives the broadcast RF signal and outputs an audio signal through an audio output transducer (not shown) similar to an audio speaker. The controller (10) includes an interface including a control circuit (22) that is interfaced with the switch (14) over a switch interface (24) and with the receiver (20) over a receiver interface (26). The control circuit receiver interface (26) is adapted to monitor the audio output of the receiver transducer for receipt of the publicly broadcast audio control signal. The control circuit (22) includes programmable logic means programmed, on receipt of the publicly broadcast audio control signal, to actuate the control circuit (22) by means of the switch interface (24), to actuate the switch (14), in use to switch the load OFF or ON.
Description
Technical field
The present invention relates to control the method and apparatus of power consumption or electric loading.
Background technology
In most countries, the cost of electric power and availability are determined by peak load to a great extent.Domestic loads (load that family applies in supply of electric power) is one of main contributor to peak load or demand, cause a lot of year since power department (electrical utility) attempt the control section domestic loads.
Really demonstrated and periodic interruptions to be supplied to the supply of electric power of many electrical equipment (appliance), and can not cause any real inconvenience.These electrical equipment comprise floor heating (under-floor space heating), drinking water pump, swimming pool pump, area illumination particularly exterior lighting, air-conditioning or consume a large amount of electric power and can its work of periodic interruptions and can not cause any other (family expenses or non-family expenses) electrical equipment or facility of the real inconvenience of user.For example, because the thermal capacity of water in the water heater, so thermal water storage tank and water heater can interrupt about one hour or two hours and can not make the consumer feel inconvenience.
Though electric loading not only comprises water heater, the controlled electric loading that research has recently demonstrated most of families mainly is made of thermal water storage tank and water heater (being generically and collectively referred to as " hot water load "), and the hot water load constitute total electric loading 25% to 40% between.
As a result, the individual consumer's of these types electrical equipment is attempted to control by many electricity providers and distributors, and the hot water load is a kind of of the simplest control.
In order to implement this control, radio frequency (RF) and power line communication (PLC) controller are used as combination RF/PLC system sometimes.
But not long ago, prevailing hot water load control technology has been pulsation (ripple) control, wherein so-called " pulsation relaying (ripple relay) " allows electricity provider or power department to disconnect thermal water storage tank during high power requirement, avoids electrical load shunting, brownout (brownout) and blackout (blackout) thus.The most common pulsation switch that can buy is controlled by the second frequency of increase, and this second frequency is superimposed upon on the 50Hz dominant frequency.The pulsation switch is suitable for detecting the frequency of this stack and connects ON or disconnect OFF by indication.
Recently, introduced the what is called " intelligence instrument " that comprises FPGA on the plate, this instrument has been programmed so that come switch to be subjected to the electric loading of this instrument control by changing complexity (degree ofsophistication) by means of FPGA on the plate.
The shortcoming of these control technologys and pulsation control especially is the communications infrastructure that transfer control signal is required.The communication equipment of compatibility must be installed on each controlled thermal water storage tank, and network system needs the network on a large scale of the necessary signal projector of installing, in most of the cases up to transformer station's level.
Summary of the invention
According to the present invention, the control method of controlled electric loading comprises the following step:
In described load place load controller is set, comprises:
Switch, it is suitable for being connected with described load in circuit;
Receiver, its be predisposed to receive and output by at least one control signal as the broadcasting equipment public broadcasting of the part of common radio-frequency (RF) broadcast service; With
Interface, it comprises the have PLD control circuit of (means), with described switch and described receiver interface;
Described load controller receiver interface programming is exported so that receive described public broadcasting control signal to monitor described receiver;
After receiving the public broadcasting control signal, to described load controller control circuit switch interface programming, start described switch to start described control circuit, be used for described load is disconnected OFF or connects ON; With
Described method is included in the following step at described broadcasting equipment place: described control signal is embedded (inject) described RF signal to be broadcast, and described control signal is inaudible.
Described electric loading is made of the load that is selected from any one or a plurality of water heaters, described water heater such as thermal water storage tank, floor heating, drinking water pump, swimming pool pump, area illumination, air-conditioning and a large amount of electric power of consumption and can its work of periodic interruptions and can not cause any electric facility of any real inconvenience.
Described control signal can be (but must not be) audio frequency (audio) signal.When using audio signal, can listen the described signal of broadcasting on the audio frequency outside (audible) frequency range the normal person, perhaps described control system can use audible sound such as the Dual Tone Multifrequency signal as the audio frequency control routine.
In a form of the present invention, described method is included in the particular step at described broadcasting equipment place,, described control signal is embedded described signal to be broadcast as radio data system (RDS) signal that is.
As known to the U.S., radio data system (RDS) or radio broadcasting data system (RBDS) are the communication protocol that is used for embedding in the FM radio broadcasting numerical data.RDS is published as IEC (International Electrotechnical Commission) standard 62106.The RDS agreement is used in the information standardization of the several types of transmission, comprises time, platform (station) identification and program (programme) information.In addition, the RDS protocol definition in untapped program transmission, allow many features of " packing " individual (non-public broadcasting) data.
Alternatively, described control signal can be embedded described audio signal to be broadcast as an audio signal, described control signal is inaudible and broadcasts on the audio frequency outside normal person's audible frequency range.
Normal person's audible sound is the frequency that common people can hear under no help situation.The normal audible frequency range that generally receives is 20 to 20,000Hz, but public broadcasting FM radio transmits the audio frequency between 20Hz and the 12kHz usually, because these frequencies are in the lower limit and the upper limit place of people's hearing effectively.
Traditionally broadcasting is considered as programme content is transferred to spectators' the audio frequency and/or the issue of vision signal.Here spectators are the general public or a large amount of relatively General Visitors, described signal can be called " public broadcasting signal " traditionally.Programme content can be called as " broadcasting ".
In the preferred form of first embodiment of the invention, the public broadcasting signal can be by commercial radio station or other radio stations, and radio frequency (RF) signal that is preferably the FM radio station broadcast constitutes.Described switch activated code can be embedded the described normal broadcasting of described radio station as signal in the frequency band.Alternatively or additionally, can be by other TV stations of commercial television station with the part of public broadcasting signal broadcasting as television broadcasting, described television broadcasting can be come on TV with comprising, cable TV and satellite television broadcasting.In this case, described switch activated code can be embedded the described normal broadcasting of described TV as signal in the frequency band.
Described audio control signal preferably is made of the inferior audible sound or the super audible sound that are embedded into by described broadcasting equipment on the described audio signal stream.
Can be by means of one of phase-shift keying (PSK) (PSK) frequency shift keying (FSK) of the reference signal that constitutes by described audio signal stream to be broadcast or both and described audio control signal is embedded on one of described infrasonic or superaudio frequency band or both.
In described infrasonic frequency band, described audio control signal frequency is any one or a plurality of frequency between 10Hz and the 20Hz.
In described superaudio frequency band, described audio control signal frequency is any one or a plurality of frequency between 13kHz and the 18kHz.
Described code flush mounting can be made of the coding unit that is connected in the circuit between described broadcasting equipment audio frequency apparatus and the described broadcasting equipment RF transmission equipment.
In a preferred form of the invention, described control signal is embedded into and does not interfere described broadcasting equipment, described code flush mounting is made of the coding unit that is connected in the circuit between described broadcasting equipment audio frequency apparatus and the described broadcasting equipment RF transmission equipment, by means of in the many communication mechanisms that comprise the GSM/GPRS mobile phone communications any one or a plurality of, described coding unit is controlled by such as the people of power department but not described broadcasting.
In present invention further optimization embodiment, described control method comprises the following steps:
Utilize unique mailing address that described load controller receiver interface PLD is programmed, with by means of comprise the broadcasting control signal that is programmed the address make (render) but described receiver interface addressing, specific; And
Receiving after comprise described receiver interface described be programmed the public broadcasting control signal of address, to described load controller control circuit switch interface programming, start described switch to start described control circuit, be used for described load is disconnected OFF or connects ON;
Described method is included in the following step at described broadcasting equipment place: described control signal is embedded described audio signal to be broadcast together with the code of representing described load controller receiver interface address.
The present invention includes the control system that is used for controlled electric loading, described system comprises:
In described load place, load controller comprises:
Switch, it is suitable for being connected with described electric loading in circuit;
Receiver, its be predisposed to receive and output by at least one control signal as the broadcasting equipment public broadcasting of the part of common radio-frequency (RF) broadcast service; With
Interface, it comprises the control circuit with described switch and described receiver interface;
Described control circuit receiver interface is suitable for monitoring that described receiver audio frequency output is so that receive described public broadcasting audio control signal; With
Described control circuit switch interface is included in and receives the PLD that is programmed after the described public broadcasting audio control signal, starts described switch to start described control circuit, is used for described load is disconnected OFF or connects ON; With
Described control system comprise at described broadcasting equipment place be used for described control signal embed RF signal to be broadcast as the device of inaudible signal.
Can described audio control signal be embedded on one of described infrasonic or superaudio frequency band or both by means of one of phase-shift keying (PSK) (PSK) frequency shift keying (FSK) of the reference signal that constitutes by described audio signal stream to be broadcast or both.In described infrasonic frequency band, described audio control signal frequency is any one or a plurality of frequency between 10Hz and the 20Hz, and in described superaudio frequency band, and described audio control signal frequency is any one or a plurality of frequency between 13kHz and the 18kHz.
In further embodiment of the present invention, utilize unique mailing address that described load controller receiver interface PLD is programmed, with by means of comprising that but the described broadcasting control signal that is programmed the address makes described receiver interface addressing, specific, and receiving after comprise described receiver interface described be programmed the public broadcasting control signal of address, to described load controller control circuit switch interface programming, start described switch to start described control circuit, be used for described load is disconnected OFF or connects ON, described control system comprises the device that is used for described control signal is embedded together with the code of the described load controller receiver interface of expression address described audio signal at described broadcasting equipment place.
Described code flush mounting preferably includes the device of encrypting by the described control signal of described broadcasting equipment broadcasting, and described load controller PLD comprises the device of the described control signal of passing through described broadcasting equipment broadcasting of decrypt encrypted.
In this embodiment of the present invention, described load controller PLD comprises storage arrangement, described storage arrangement is suitable for storing one or more start-up code signals (codesin) load controller control circuit easily, to the programming of described control circuit so that before starting described switch interface, the authorization code that enters and the code of at least one storage are compared.
Described audio frequency control routine is sent as signal in the frequency band, and to send be to send data and control information in the same frequency band on same channel to signal in this frequency band, as being used for the normal transmission in this case of common broadcast channel.
The mode that described load is disconnected two kinds of most convenients of OFF or connection ON is the switch activated code that broadcasting is made of SWITCH-ON and SWITCH-OFF code, or only broadcasts the start-up code and the scheduled time after described switch is disconnected OFF that are made of the SWITCH-OFF code ON is being connected back in described load.
Because described control system of the present invention depends on public broadcasting, therefore described start-up code broadcasting is subject to the influence of record and replay fakement (replay fraud)., be programmed in the described control circuit with the device of deciphering for this reason, preferably protect described system to avoid this fakement by the encrypted authorization signal of described broadcasting equipment broadcasting by using one or more data security technology, comprising.
Alternatively, described one or more start-up code (or a series of code) can be stored in the memory in the described control circuit, described control circuit is programmed so that before starting described switch interface, particularly connect before the ON order, the authorization code that enters and the code or the predetermined code of storage are compared.
(for example recover load in order during SWITCH-ON, to reduce, if many thermal water storage tanks are switched on ON in certain zone), described PLD preferably is provided with and is used in certain zone the different loads order or connects the device of ON randomly rather than side by side.By providing timer conveniently to realize for each control system, described timer is suitable in the described predetermined scheduled time of SWITCH-ON after the time ON (determining by the time of consuming or by means of the SWITCH-ON code) being connected in the load of its control after SWITCH-OFF.Time can be predefined at random.
Description of drawings
To further describe the present invention with reference to the accompanying drawings, accompanying drawing 1 is mounted in the block diagram of the electric load control system at the electric loading place that is made of thermal water storage tank.
The specific embodiment
The invention provides a kind of relatively cheap, easy-to-install system, be used to control the electric loading that constitutes by electrical equipment and electric facility, no matter be family expenses, commercial or industrial, a large amount of electric power of these electric loading consumption, but can periodically disconnect OFF and can not cause any real inconvenience.The example of this load comprises water heater, such as water heater, floor heating, water pump, swimming pool pump, air-conditioning and or even the area illumination of thermal water storage tank (family expenses or non-family expenses).
Following description is described as the example of an embodiment of the invention with the thermal water storage tank controller, but will recognize and only do property purpose presented for purpose of illustration like this.Therefore do not wish that this example can limit the present invention.
The example of reference thermal water vat controller 10 illustrates electric load control system 10 of the present invention, wishes the controlled electric loading that 10 controls of thermal water storage tank controller are made of thermal water storage tank 12.
The present invention proposes to use the one or more existing communication system with wide covering as communication channel, but not the complicated control technology of control and in the required added communications infrastructure of these intra-system communications of being used for especially pulsing.The example of this communication channel is the FM radio, but any public broadcasting network all will be enough, comprise the AM radio net, TV network and or even communication network.
The example of Shi Yonging depends on commercial or other broadcasting equipments such as FM radio station in this manual, the switch activated code of audio frequency is inserted or embeds the normal audio signal of radio station broadcast as signal in the frequency band.
Audio control signal is embedded or implants broadcast voice signal as people's audible sound (in above-mentioned optional example) or as inaudible signal or tone with the audio frequency outside normal person's audible frequency range.
System or controller 10 comprise the switch 14 of load 12, and switch 14 is connected with electric loading 12 in circuit.Controller 10 is installed on the electric distribution board 16 of service thermal water storage tank 12, and switch 14 is connected with thermal water storage tank circuit-breaker 18.
Control circuit receiver interface 26 is suitable for monitoring that the audio frequency output of receiver converter is so that receive the public broadcasting audio control signal.
Audio control signal preferably is made of digital code, and digital code is made of the inferior audible sound or the super audible sound that are embedded into by broadcasting equipment on the audio signal stream.The digital modulation technique of most convenient that is used to transmit the code of this numeral comprises amplitude shift keying (ASK), frequency shift keying (FSK) and phase-shift keying (PSK) (PSK).
Can audio control signal be embedded reference wave or the signal that is made of audio signal stream to be broadcast at one of infrasonic or superaudio frequency band or among both.In the infrasonic frequency band, the audio control signal frequency is any one or a plurality of frequency between 10Hz and the 20Hz.In the superaudio frequency band, the audio control signal frequency is any one or a plurality of frequency between 13kHz and the 18kHz.
At the broadcasting equipment place, embed control signal by means of the coding unit (not shown) that connects in the circuit between broadcasting equipment audio frequency apparatus and the broadcasting equipment RF transmission equipment.The signal controlling of coding unit is not controlled by broadcasting equipment.But the signal controlling of coding unit is left the people that hope is controlled controller 10 (with the similar control device that is provided with) in the broadcast area of broadcasting equipment, such as power department.The many modes that have the remote controlled coding unit of power department are such as GSM/GPRS mobile phone link communication.
Preferably use unique address code (illustrating) to control circuit 22 programmings by frame 23.Unique address code 23 is any unique number or code, but preferably is made of the sequence number of thermal water storage tank controller 10.
The FM receiver is large-scale production (mass produced) and therefore is for purposes of the present invention and the equipment of the low-cost high-efficiency that uses.In the example that provides, receiver 20 is made of the FM receiver, and the FM receiver means that broadcasting equipment must be a FM radio station.FM receiver 20 is adjusted in advance the broadcasting frequency of broadcasting equipment.
The output of the audio frequency of FM receiver 20 is supplied to suitable receiver interface 26 with audio frequency or extended formatting, and this input that will give receiver interface 26 is supplied to control circuit 22 to monitor that to allow control circuit 22 20 outputs of FM receivers may be by any switch activated code of broadcasting equipment broadcasting.
For broadcasting the required control signal of system of the present invention 10, it is practicable using RDS oneself or increasing the use audio signal, rather than depends on audio control signal.As known to the U.S., radio data system (RDS) or radio broadcasting data system (RBDS) (being published as IEC (International Electrotechnical Commission) standard 62106) are the communication protocol that is used for embedding in the FM radio broadcasting numerical data.
Run through time periods of supply all the time, use the power department of the coding unit be subjected to its control periodically to implant switch activated code to the public broadcasting of broadcasting equipment, switch activated code is suitable for thermal water storage tank 12 different sons regional (sub-region) to be controlled.
In the time of in the broadcast area that a plurality of controllers 10 is installed to broadcasting equipment, power department is given all controllers 10 in many sub-areas in this area with similar switch activated assignment of code, and guarantees that all controllers 10 in each this seed area all use the switch activated code that is suitable for this child area to programme.
If can control coding unit, then there are not these demands, that is, power department is given broadcasting equipment provider switch start-up code or is given advice to broadcasting equipment when its wishes to have this switch activated code broadcast.Power department can move its oneself program and go up or basic the going up of ad-hoc implanted switch activated code to public broadcasting at predetermined inventory (i.e. all thermal water storage tanks 12 in several non-conterminous sub-areas in the area), to deal with any overload of electric power supply system.
Each controller 10 in the broadcast region receives each the switch activated code by its FM receiver 20 broadcasting, and the output of FM receiver 20 is supplied to control circuit 22 receiver interfaces 26.22 programmings monitor receiver interface 26 and the switch activated code that receives and the switch activated code or the tone that are programmed in its control circuit 22 are compared to control circuit.
If relatively be positive, then control circuit 22 is exported to the Kai Heguan of switch interface 24 with starting switch 14 with control signal.When starting switch 14, thermal water storage tank 12 is disconnected OFF or connects ON according to the configuration of controller 10.
A kind of control mode of switch 14 and thermal water storage tank 12 is switch activated codes that broadcasting is made of SWITCH-ON and SWITCH-OFF code.
Alternative embodiment is that only broadcasting is connected back ON by the start-up code and the scheduled time after switch is disconnected OFF that the SWITCH-OFF code constitutes with load.
In first alternative embodiment, all controllers 10 that the switch activated code that is made of the SWITCH-OFF code is broadcasted and is broadcasted in the area receive.Wish that controller 10 is controlled (if broadcast code is programmed in their control circuit 22), each controller 10 starts by means of switch interface 24 and connects switch 14, disconnects OFF so that will be connected to the thermal water storage tank 12 of this controller 10.Thermal water storage tank 12 will keep OFF now, be the suitable SWITCH-ON code of this regional broadcast up to broadcasting equipment.When this incident was given birth to, affected controller 10 started, and each controller 10 is connected switch 14 by means of switch interface 24, connects ON so that will be connected to the thermal water storage tank 12 of this controller 10.Thermal water storage tank 12 will keep ON now, be the suitable SWITCH-OFF code of this regional broadcast once more up to broadcasting equipment.
In second alternative embodiment, all controllers 10 that the switch activated code that is made of the SWITCH-OFF code is broadcasted and is broadcasted in the area receive.Wish that controller 10 is controlled (if broadcast code is programmed in their control circuit 22), each controller 10 starts by means of switch interface 24 and connects switch 14, disconnects OFF so that will be connected to the thermal water storage tank 12 of this controller 10.Control circuit 22 is provided with timer and is programmed to make thermal water storage tank 12 (promptly 2 hours) maintenance disconnection OFF in the given time.Controller 10 started by means of switch interface 24 and connected switch 14, changes back ON so that will be connected to the thermal water storage tank 12 of this controller 10 when expiring the programming time.Thermal water storage tank 12 will keep ON now, be the suitable SWITCH-OFF code of this regional broadcast once more up to broadcasting equipment.
If in certain zone, many thermal water storage tanks 12 are connected ON simultaneously, synthetic consumption (the many thermal water storage tanks that add hot water that wherein comprise go back up to temperature is set) to supply of electric power in then should the zone will cause unexpected and high recovery load (recovery load), and this is undesirable.For this reason, even control circuit 22 is programmed to guarantee that controller 10 receives switch activated code simultaneously, thermal water storage tank can not connected ON simultaneously yet.For this purpose, control circuit 22 is provided with timer and scheduled time thermal water storage tank 12 that it is relevant of being programmed to after receiving switch activated code is connected ON.If each controller 10 in the zone is programmed with different time, then the thermal water storage tank in the zone 12 will connect in turn ON.But more preferably, the scheduled time is being simply for connecting the random delay that applies before the ON, thereby the thermal water storage tank in the zone 12 is with at random mode ON.
Utilize independent addressable controller 10, each thermal water storage tank 12 or other electric loadings in the control area become feasible.
This makes the option means of implementing to be avoided recovering load suddenly become feasible, switch inventory (coding unit is connected ON by means of this inventory with the load in the zone) for example by using programming in advance, or by with in different switch ON late programmings each controller 10 in the zone.
In addition, power department can be implemented suitable exception (exception) management.For example, Qu Yu resident applies for that special distribution becomes feasible.Because controller 10 is independent addressing, so the resident can keep her thermal water storage tank 12 to connect during special load bridging (load shedding) to the power department application.Resident's the application if power department acceptance is known clearly, then it can implant the address code 23 of resident's controller 10 now in broadcasting, one or more special codes are followed in the back, such as skipping code, this is skipped code and is suitable for instruction control unit 10 and skips the next or more a plurality of SWITCH-OFF codes relevant with this resident's zone.According to the code of skipping that sends, controller 10 control circuit programs are programmed again, to ignore the next one or more a plurality of SWITCH-OFF code, although this SWITCH-OFF code is relevant with resident's zone.In case broadcasted the SWITCH-OFF code that is programmed quantity, then control circuit 22 programs are reset to normally.
Industrial applicibility
The present invention proposes and use existing mounted communication network with the technical scheme of control electric loading.
Claims (23)
1. the control method of a controlled electric loading comprises the following step:
In described load place load controller is set, comprises:
Switch, it is suitable for being connected with described load in circuit;
Receiver, its be predisposed to receive and output by at least one control signal as the broadcasting equipment public broadcasting of the part of common radio-frequency RF broadcast service; With
Interface, it comprises the control circuit with PLD, with described switch and described receiver interface;
Described load controller receiver interface programming is exported so that receive described public broadcasting control signal to monitor described receiver;
After receiving described public broadcasting control signal, to described load controller control circuit switch interface programming, start described switch to start described control circuit, be used for described load is disconnected OFF or connects ON; With
Described method is included in the following step at described broadcasting equipment place: described control signal is embedded described RF signal to be broadcast, and described control signal is inaudible.
2. the control method of controlled electric loading according to claim 1, wherein said electric loading is made of the load that is selected from any one or a plurality of water heaters, wherein said water heater such as thermal water storage tank, floor heating, drinking water pump, swimming pool pump, area illumination, air-conditioning and a large amount of electric power of consumption and can its work of periodic interruptions and can not cause any electric facility of any real inconvenience.
3. the control method of controlled electric loading according to claim 2 is included in the particular step at described broadcasting equipment place,, described control signal is embedded described signal to be broadcast as radio data system RDS signal that is.
4. the control method of controlled electric loading according to claim 3, be included in described broadcasting equipment place and the particular step before RF transmits described broadcasting, promptly, described control signal is embedded described audio signal to be broadcast as an audio signal, and described control signal is inaudible and broadcasts on the audio frequency outside normal person's audible frequency range.
5. the control method of controlled electric loading according to claim 4, wherein the public broadcasting signal is made of the radio frequency rf signal of public FM radio station public broadcasting, and described method comprises the particular step that described switch activated code is embedded institute's normal audio broadcasting of described radio station as audio signal in the frequency band.
6. the control method of controlled electric loading according to claim 4, wherein the public broadcasting signal is made of the public broadcasting TV signal of public television station's public broadcasting, and described method comprise with described switch activated code as audio signal in the frequency band embed described TV station the particular step of audio-frequency unit of normal broadcasting.
7. according to the control method of each described controlled electric loading of claim 4 to 6, wherein described audio control signal is embedded on one of infrasonic or superaudio frequency band or both by means of one of the phase-shift keying (PSK) PSK of the reference signal that constitutes by described audio signal stream to be broadcast or frequency shift keying fsk or both.
8. the control method of controlled electric loading according to claim 7, wherein in described infrasonic frequency band, described audio control signal frequency is any one or a plurality of frequency between 10Hz and the 20Hz, and in described superaudio frequency band, described audio control signal frequency is any one or a plurality of frequency between 13kHz and the 18kHz.
9. the control method of each the described controlled electric loading that requires according to aforesaid right, wherein said control signal is embedded into and does not interfere described broadcasting equipment, described code flush mounting is made of the coding unit that is connected in the circuit between described broadcasting equipment audio frequency apparatus and the described broadcasting equipment RF transmission equipment, makes described coding unit be controlled by the people but not described broadcasting equipment by means of suitable communication mode.
10. the control method of each the described controlled electric loading that requires according to aforesaid right comprises the following steps:
Utilize unique mailing address that described load controller receiver interface PLD is programmed, but with by means of comprising that the described broadcasting control signal that is programmed the address makes described receiver interface addressing, specific; With
Receiving after comprise described receiver interface described be programmed the public broadcasting control signal of address, to described load controller control circuit switch interface programming, start described switch to start described control circuit, be used for described load is disconnected OFF or connects ON;
Described method is included in the following step at described broadcasting equipment place: described control signal is embedded described audio signal together with the code of representing described load controller receiver interface address.
11. a control system that is used for controlled electric loading, described system comprises:
In described load place, load controller comprises:
Switch, it is suitable for being connected with described electric loading in circuit;
Receiver, its be predisposed to receive and output by at least one control signal as the broadcasting equipment public broadcasting of the part of common radio-frequency RF broadcast service; With
Interface, it comprises the control circuit with described switch and described receiver interface;
Described control circuit receiver interface is suitable for monitoring that described receiver audio frequency output is so that receive described public broadcasting audio control signal; With
Described control circuit switch interface is included in and receives the PLD that is programmed after the described public broadcasting audio control signal, is used to start described control circuit and starts described switch, is used for described load is disconnected OFF or connects ON; With
Described control system comprise at described broadcasting equipment place be used for described control signal embed RF signal to be broadcast as the device of inaudible signal.
12. the control system that is used for controlled electric loading according to claim 11, wherein said electric loading is made of the load that is selected from any one or a plurality of water heaters, wherein said water heater such as thermal water storage tank, floor heating, drinking water pump, swimming pool pump, area illumination, air-conditioning and a large amount of electric power of consumption and can its work of periodic interruptions and can not cause any electric facility of any real inconvenience.
13. according to each described control system that is used for controlled electric loading of claim 11 or 12, wherein said control signal flush mounting is suitable for described control signal is embedded described signal to be broadcast as radio data system RDS signal.
14. the control system that is used for controlled electric loading according to claim 13, wherein said control signal flush mounting is suitable for described control signal is embedded described signal to be broadcast as an audio signal, and described control signal is inaudible and broadcasts on the audio frequency outside normal person's audible frequency range.
15. each described control system that is used for controlled electric loading according to claim 11 to 14, wherein the public broadcasting signal is made of the radio frequency rf signal of public FM radio station public broadcasting, and described method comprises the particular step that described switch activated code is embedded the described normal audio broadcasting of described radio station as audio signal in the frequency band.
16. each described control system that is used for controlled electric loading according to claim 11 to 14, wherein the public broadcasting signal is made of the public broadcasting TV signal of public television station's public broadcasting, and described method comprises the particular step of audio-frequency unit that described switch activated code is embedded the described normal broadcasting of described TV station as audio signal in the frequency band.
17., wherein described audio control signal is embedded on one of infrasonic or superaudio frequency band or both by means of one of the phase-shift keying (PSK) PSK of the reference signal that constitutes by described audio signal stream to be broadcast or frequency shift keying fsk or both according to each described control system that is used for controlled electric loading of claim 14 to 16.
18. the control system that is used for controlled electric loading according to claim 17, wherein, in described infrasonic frequency band, described audio control signal frequency is any one or a plurality of frequency between 10Hz and the 20Hz, and in described superaudio frequency band, described audio control signal frequency is any one or a plurality of frequency between 13kHz and the 18kHz.
19. each described control system that is used for controlled electric loading according to claim 11 to 18, wherein said control signal is suitable for being embedded into and does not interfere described broadcasting equipment, described code flush mounting is made of the coding unit that is connected in the circuit between described broadcasting equipment audio frequency apparatus and the described broadcasting equipment RF transmission equipment, and by means of suitable communication mode described coding unit is suitable for the people but not works under the control of described broadcasting equipment.
20. each described control system that is used for controlled electric loading according to claim 12 to 19, wherein utilize unique mailing address that described load controller receiver interface PLD is programmed, with by means of comprising that but the described broadcasting control signal that is programmed the address makes described receiver interface addressing, specific, and receiving after comprise described receiver interface described be programmed the public broadcasting control signal of address, to described load controller control circuit switch interface programming, be used to start described control circuit and start described switch, be used for described load is disconnected OFF or connects ON, described control system comprises the device that is used for described control signal is embedded together with the code of the described load controller receiver interface of expression address described audio signal to be broadcast at described broadcasting equipment place.
21. each described control system that is used for controlled electric loading according to claim 12 to 20, wherein said code flush mounting comprises the device of encrypting by the described control signal of described broadcasting equipment broadcasting, and described load controller PLD comprises the device of the described control signal of passing through described broadcasting equipment broadcasting of decrypt encrypted.
22. the control system that is used for controlled electric loading according to claim 21, wherein said load controller PLD comprises storage arrangement, described storage arrangement is suitable for one or more start-up code are stored in the load controller control circuit, to the programming of described control circuit so that before starting described switch interface, the authorization code that enters and the code of at least one storage are compared.
23. according to each described control system that is used for controlled electric loading of claim 11 or 22, wherein said load controller PLD is provided with the device that is used for different loads being connected by predefined procedure in predetermined geographic ON.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA201000004 | 2010-01-04 | ||
| ZA2010/00004 | 2010-01-04 | ||
| PCT/ZA2010/000006 WO2011082438A1 (en) | 2010-01-04 | 2010-02-02 | Method and means of controlling an electrical load |
| ZAPCT/ZA2010/000006 | 2010-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102116532A true CN102116532A (en) | 2011-07-06 |
Family
ID=44215413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101143803A Pending CN102116532A (en) | 2010-01-04 | 2010-02-26 | Method and means of controlling an electrical load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102116532A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109005484A (en) * | 2017-06-06 | 2018-12-14 | 深圳朗特智能控制股份有限公司 | A kind of device and its implementation carrying out information transmission and control using sound wave |
-
2010
- 2010-02-26 CN CN2010101143803A patent/CN102116532A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109005484A (en) * | 2017-06-06 | 2018-12-14 | 深圳朗特智能控制股份有限公司 | A kind of device and its implementation carrying out information transmission and control using sound wave |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2003517784A (en) | System and method for broadcasting emergency alert to radio receiver and television receiver in low power mode | |
| EP2507939A1 (en) | Apparatus for controlling a power using a smart device and method thereof | |
| JP2008512056A (en) | Configuration management of co-located network systems | |
| GB2377111A (en) | Secure operation of multiple set top boxes for braodcast data receivers | |
| EP0515461B1 (en) | A control and communication system and corresponding method | |
| CN102754430B (en) | For to the method for receiver automated programming of radio television signal and the correlation receiver that can receive at least two kinds of different-formats | |
| CN102116532A (en) | Method and means of controlling an electrical load | |
| CN104754245A (en) | Adaptive system and adaptive method for implementing emergent broadcast functions of outdoor large screens | |
| CN103379367B (en) | Television advertisement automatic switchover system based on smart mobile phone | |
| CN101222284B (en) | Scheduling system and method for authorized management information in mobile multimedia broadcast | |
| JP2004112371A (en) | Broadcast receiver, apparatus with broadcast reception function, and broadcast reception control system | |
| JP4795283B2 (en) | Optical terminal device and notification broadcasting system using the optical terminal device | |
| CN104410472A (en) | Intelligent receiving terminal | |
| CN103326871A (en) | General information broadcasting method based on DTMB transmission platform | |
| WO2011082438A1 (en) | Method and means of controlling an electrical load | |
| KR101441316B1 (en) | Apparatus and method for television control of urgent broadcasting | |
| CN102164180A (en) | Internet module and monitoring system with same | |
| ZA200801060B (en) | RF Geyser control | |
| US6947704B1 (en) | Power control apparatus, digital broadcast reception system, transmission posting apparatus, power state identification apparatus, communication cutoff decision apparatus, state posting apparatus, state recognition apparatus, state recognition system, and digital broadcast transmission/reception system using them | |
| KR100748687B1 (en) | apparatus and method of mode processing in digital broadcasting system | |
| KR101890763B1 (en) | Digital wireless village broadcasting system for setting multi-channel to prevent interference | |
| WO2021072457A2 (en) | Radio broadcast-controlled utilities management | |
| KR200245527Y1 (en) | Fm darc control on-air | |
| CN202602643U (en) | Wireless frequency modulation (FM) control system | |
| JP4081780B2 (en) | Program viewing information acquisition apparatus, program viewing information acquisition method, and receiving apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110706 |