CN1595464A - Multi-control-multi intelligent type wireless remote control device and method - Google Patents
Multi-control-multi intelligent type wireless remote control device and method Download PDFInfo
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Abstract
The invention relates to a multicontrol intelligent wireless remote control apparatus implemented with the microprocessor coding/decoding and the original code correlation technique, which is composed of the transmitter and the receiver. The low-power consumption device is chosen at the transmitter resulting in the emission efficiency improvement. Multiple-stage enlargement and superregeneration reception method is adopted at the receiver to improve the reception sensitivity. In addition, error correction coding is used to implement communications in the 50m~500m distance with the invention power supplied by a 9V battery. At the same time, there is a control block in both the transmitter and the receiver respectively, which guarantees the transmitter control the receiver flexibly. Moreover, the code correlation procedure improves the security and privacy of the communications, makes the system to be used and maintained conveniently, and accomplishes the one controls one, multiple ones control one and multiple ones control multiple ones applications between the transmitter and the controlled circuit.
Description
Technical field
The present invention relates to the communications electronics field, particularly the intelligent radio remote control field specifically is meant many intelligent wireless remote controller and the methods thereof of a kind of many controls.
Background technology
At present, traditional wired formula switch, socket rely on its comparatively simple structure, cheap price and installation and application easily, remain the main body of civilian and home switch, socket.Development along with modern electronic technology, people also change to the demand of quality of life thereupon, this is embodied on ever-increasing robotization to family, building management, the intelligentized demand, and its direct form of expression is exactly the rise of all kinds of wired homes and intelligent residential district.
Along with the raising of people's quality of life and the variation of demand, some shortcomings of traditional cable switch, socket also progressively expose, particularly for some modern wired homes, building, the product that is a long felt need for update substitutes or upgrade traditional cable switch, socket, controls electronic product rich and varied in modern wired home, the building effectively.A kind of thinking intuitively is with wireless switching, socket substitute, upgrade cable switch, socket, and for example owner is from the illumination in parlor, direct wireless remote control the 1st building, the 3rd buildings of the villa of one 3 floor, and does not need specially the lamp that comes the switch parlor downstairs to the 1st building from 3.
Mainly there is following several deficiency in traditional civilian short distance wireless technical:
1. be applied on the analog carrier, as common wireless microphone etc., the used wireless simulation technology of wireless phone in the market, a little less than the antidamping ability, unfavorable function expansion, its effective remote control distance only is about 15m, does not satisfy the needs of living environment development;
2. address amount is few, has only more than tens thousand address amounts at the most, is easy to cause the address to disturb, thereby produces the misoperation state between the different receiving ends;
3. adopt the 12V power supply, be difficult for having bought this battery, and price is more expensive;
4. do not possess the real-time burned function in address, use the fixed address sign indicating number, the user can't the real time altering address, and confidentiality is poor;
5. adopt special-purpose codec chip, poor expandability, its fixing code encoding/decoding mode of while, the password that is decrypted easily, poor stability;
6. function singleness, the problem that institute must solution when not having to solve a lot of concrete utilization can not satisfy different different requirements of customers, and the market competitiveness is poor.
At present, about the patent of radio remote control switch aspect such as ZL97207339.6 (wireless remote control domestic circuit switch, socket Centralized Controller), ZL98224056.2 (radio remote control switch), ZL01246951.3 (indoor wireless teleswitch), ZL01212109.6 (wall-mounted radio remote control switch), ZL02218884.3 (a kind of electrical equipment is concentrated Digiplex) etc., all be based on such hypothesis: before use, the address of receiver all is that predetermined fixed sets.See also shown in Figure 1ly, by three toggle switchs 21 address being set at receiver 2 was 010 (representing No. 2 receiver), and transmitter 1 is by power module 13 power supplies, and by by No. 2 keys opening or closing with regard to No. 2 receivers of may command.Its ultimate principle is: before use, the user is provided with receiver 2 by craft such as toggle switchs 21 at receiver 2 address couples together the control output and the physical circuit 22 of receiver 2 (it is No. 2 that the address for example is set, and No. 2 outputs of expression decoding circuit 23 are connected with physical circuit 22); Transmitter 1 receives user's input (for example by No. 2 keys), and by coding circuit 11, launch with wireless mode through emission radio circuit 12 coding back (for example producing 010 coded signal) with user's input information; Receiver (for example No. 2) receives the information of encoding (for example 010) by received RF circuit 24, through decoding circuit 23, produces control signal (for example at No. 2 delivery outlets) at corresponding delivery outlet, thereby realizes the control that opens or closes to physical circuit.Obviously, the address of this wireless remote controller is a regular coding, and this makes transmitter can only control (for example 4,8,16 etc.) to very limited receiver, simultaneously as can be seen from Figure 1, needs the manual receiver address that be provided with, and the user uses extremely inconvenient.Even be not provided with by manual, but when dispatching from the factory, just the home address of concrete receiver is set by program, still very inconvenient in the operation and maintenance, because the user must know that before use which number which receiver is, in case and certain receiver broken, just must buy one and original receiver home address number duplicate receiver.Simultaneously, use the wireless remote controller of fixed code mode, a shortcoming is arranged: because the receiver address is fixed and be very limited, use such product just to be easy to produce maloperation between neighbours, just neighbours A presses No. 2 electric lights that No. 2 keys want to control family, but simultaneously No. 2 computer switch of neighbours B has also been controlled.In addition, the wireless remote controller of fixed code mode, because use is general coding-decoding circuit, secret and safe is poor.
The user controls flexibly for convenience, and patent of invention ZL00122150.7 (intelligent radio remote control electric appliance switch system) adopts microprocessor to realize controlling flexibly as control system.The system that this patent is carried comprises 3 parts: master remote controller, fixed minute telepilot, wireless receiving switch.Each part all contains a microprocessor and eeprom memory.The principle of system is as follows:
1) at first, master remote controller is imported by keyboard, enters the address setting state, is input as wireless receiving switch by keyboard and corresponding 16 bit address sign indicating number R is set and deposits EEPROM in;
2) wireless receiving switch is connected by the address learning port A of special address learning port C and master remote controller, makes address code R that wireless receiving switch acquisition master remote controller sets in step 1) and being kept among the EEPROM;
3) through address learning, system enters normal operating condition.Master remote controller is imported according to keyboard, utilizes the microprocessor coding, produces control corresponding sign indicating number K, adds 16 concrete bit address sign indicating number D simultaneously, through ovennodulation, launches with wireless radio frequency mode;
4) wireless receiving switch is to received radiofrequency signal process demodulation, obtain address code D, and relatively with address code R among itself and the EEPROM, if coupling, represent that this receiving key is the purpose receiving key, microprocessor then carries out decoding processing to control code K, produces control corresponding and exports the actions such as open and close of controlling concrete electrical equipment; If do not match, represent that this receiving key is not the purpose receiving key, microprocessor is not done further processing;
It more than is process with master remote controller control wireless receiving switch, if telepilot also wanted to control wireless receiving switch in fixed minute, the address learning port B of fixed minute telepilot and the address learning port A of master remote controller need be coupled together, fixed like this minute telepilot also obtains the address code R of the wireless receiving switch that master remote controller sets in step 1), and is kept among the EEPROM.After fixed minute telepilot learnt address code from master remote controller, telepilot just can carry out corresponding control to wireless receiving switch as master remote controller in fixed minute, also allowed wireless receiving switch to learn address code (wireless receiving switch is connected by the address learning port B of a special address learning port C and fixed minute telepilot) from fixed minute telepilot.
Foregoing invention patent ZL00122150.7 is by introducing microprocessor and EEPROM, for system has increased various control function; Adopt 16 bit address sign indicating numbers simultaneously, overcome the problem that address in the fixed code scheme is fixed with the easy maloperation of limited capacity to a certain extent; Improved security of system by in microprocessor, carrying out encoding and decoding.But this invention has several shortcomings:
1) address of master remote controller fixedly installs, a master remote controller can be controlled a plurality of wireless receiving switch, but in this invention, a master remote controller can not be controlled the wireless receiving switch of the different master remote controller setting of another one, a control multi-scheme and the imperfection that visible this invention is realized;
2) a plurality of fixed minute telepilot all can be controlled same wireless receiving switch, but prerequisite is: these fixed minute telepilot all is to learn the appropriate address sign indicating number by same master remote controller.As seen many controls one scheme that this invention realized is very dumb, many controls one solution that simultaneously neither be real;
3) 16 bit address sign indicating numbers of master remote controller are that the user imports by keyboard, and inconvenient user's operation is also still easily because user's mistake is provided with the problem of maloperation between the generation neighbours;
4) carry out the address code transmission and learn inconvenient user's use by direct connection of specific address learning port;
5) with microprocessor to the information simple code, information is not encrypted and scrambler is handled, the security deficiency;
6) though considered the unreliability of Radio Link, only use check code, can come the robustness of further enhanced system with repeatedly sending the method that once receives in fact;
7) can replace regular tap, use but can not directly embed regular tap;
Summary of the invention
The objective of the invention is to overcome above-mentioned shortcoming of the prior art, a kind of 9V of utilization baby battery power supply is provided, can realize can controlling many intelligent wireless remote controllers more and using this device to carry out the method for remote control of 50m～100m remote control distance.The system that utilizes this device to carry out remote control not only has characteristics such as safe and secret, makes things convenient for the user to carry out Based Intelligent Control flexibly simultaneously, can realize really that a control is many, control more one and many controls more than control function.
In order to realize above-mentioned purpose, intelligent wireless remote controller and corresponding remote control thereof thereof that many controls of the present invention are many are as follows:
Should control many intelligent wireless remote controllers more, comprise several wireless launchers and several wireless receivers, wherein said each wireless launcher includes power module, Subscriber Interface Module SIM and transmitter module, described each wireless receiver includes power module and receiver module, its principal feature is, described each wireless launcher all also comprises a control module and a memory module, and a clock module and described wireless launcher control module link; Described each wireless receiver all also comprise a control module, memory module, output indicating module and several respectively with the joining control circuit of each controlled circuit, a clock module and described wireless receiver control module link.
Should power modules that control the wireless launcher of many intelligent wireless remote controllers be 9V baby battery electric power system, the element of each module of this wireless launcher be a low energy-consumption electronic device more, and the receiver module of described wireless receiver comprises the multilevel signal amplifying circuit.
Should comprise a SAW surface acoustic wave frequency stabilization circuit by transmitter modules that control the wireless launcher of many intelligent wireless remote controllers more.
Should power modules that control the wireless receiver of many intelligent wireless remote controllers be that 220V exchanges the voltage conversion device that becomes multiple DC voltage more.
This use said apparatus carries out the method for wireless remote control, and its principal feature is that described method may further comprise the steps:
(1) wireless launcher is before the controlled circuit of the corresponding wireless receiver of control, using system code operations is set up association between the controlled circuit of corresponding wireless launcher and wireless receiver;
(2) wireless launcher is by Subscriber Interface Module SIM reception user's input instruction, and control module is wherein launched the compiling conversion operations of information signal according to this user input instruction;
(3) transmitter module of wireless launcher emission information signal that control module is sent carries out signal and amplifies, and launches corresponding radiofrequency signal by antenna with wireless radio frequency mode after ovennodulation;
(4) radiofrequency signal of wireless launcher transmission arrives the wireless receiver that controlled circuit connected through overdamping; The receiver module of the wireless receiver that controlled circuit connected with LNA low noise amplifier amplifying signal, after frequency-selecting demodulation, secondary amplification, recovers information signal by receiving antenna;
(5) control module of the wireless receiver that controlled circuit connected is carried out the decompiling conversion operations to the signal that receiver module receives, the information signal that obtains reducing;
(6) control module of the wireless receiver that controlled circuit connected is carried out analysis and judgement and subsequent operation to the information signal that obtains in the step (5).
Code operations be may further comprise the steps in the step of this wireless remote control method (1):
(1) wireless receiver that connects controlled circuit with existing parts on the controlled circuit as to the sign indicating number key, a plurality of to one of sign indicating number key composition to the sign indicating number array;
(2) user the controlled circuit side according to certain pattern to controlled circuit on existing conduct the parts of sign indicating number key are operated, make that the controlled circuit etc. of wireless receiver is pending to sign indicating number;
(3) wireless launcher by Subscriber Interface Module SIM receive the user to code instruction, transmission comprise this an emitter address sign indicating number and a picked at random address code to sign indicating number information, this wireless launcher is mapped random address sign indicating number and corresponding controlled circuit simultaneously, and this corresponding relation is kept in the memory module of wireless launcher;
(4) etc. the pending wireless receiver that controlled circuit connected to sign indicating number receives sign indicating number information, its wireless launcher address code that comprises and random address sign indicating number are mapped, and corresponding relation is kept in the memory module of wireless receiver, then finish code operations, enter normal operating condition.
Compiling conversion operations to the emission information signal in the step of this wireless remote control method (2) may further comprise the steps:
(1) control module of wireless launcher end obtains the previous address code corresponding to controlled circuit that the sign indicating number stage had been stored according to user input instruction from memory module, produces corresponding information signal;
(2) the controlled circuit address code that comprise this emitter address sign indicating number in the information signal that obtains in the step (1), will control and the instruction that controlled circuit is controlled, control module is carried out Error Correction of Coding with this information signal;
(3) control module with the information signal that obtains in the step (2) encrypt as required, scrambler handles, the emission information signal of encrypted, scrambler being crossed is then finished the compiling conversion operations to the emission information signal.
Signal in the step of this wireless remote control method (5) carries out the decompiling conversion operations and may further comprise the steps:
(1) control module is carried out descrambling, deciphering to the signal that receiver module receives;
(2) control module is carried out error correction decoding to the signal that obtains in the step (1), and the information signal that obtains reducing is also analyzed, and obtains wireless launcher address code, controlled circuit address code and steering order, then finishes the decompiling conversion operations of signal.
Analysis and judgement and subsequent operation in the step of this wireless remote control method (6) may further comprise the steps:
(1) control module is searched memory module, see whether memory module stores the corresponding relation between wireless launcher address code and the controlled circuit address code, if there is this corresponding relation to exist, represent that so this wireless receiver is a controlled circuit institute purpose of connecting wireless receiver, and and then analysis and Control instruction, the output of generation control signal corresponding is controlled controlled circuit;
(2) the if there is no corresponding relation between wireless launcher address code and the controlled circuit address code represents that so this wireless receiver is not the purpose wireless receiver, does not then further handle information signal.
The operation of the corresponding radiofrequency signal of emission in the step of this wireless remote control method (3) is meant: wireless launcher sends for several times continuously to the radiofrequency signal of carry information signals.
Owing to adopted many intelligent wireless remote controllers of many controls of this invention and corresponding remote control thereof thereof, owing to adopt the transmission that code function is realized the random address sign indicating number, make and compare traditional employing fixed address code plan, the present invention not only reduces the repeatability of system address greatly, has increased the dirigibility of operation and maintenance simultaneously; The present invention simultaneously adopt original creation to sign indicating number key and software method to sign indicating number, compare by special study port carry out address code study to code plan, not only have better security, also allow multiplexing regular tap button, plug simultaneously, greatly made things convenient for user's operation as to the sign indicating number key; In addition, the present invention has realized providing with 9V baby battery power supply the communication distance of 50m～100m making the scope of application of this device widen greatly by following technological means, has improved the work efficiency and the stability of device.
Description of drawings
Fig. 1 is the wireless remote controller theory structure synoptic diagram of fixed code scheme of the present invention.
Fig. 2 is a wireless launcher theory structure synoptic diagram of the present invention.
Fig. 3 is a wireless receiver theory structure synoptic diagram of the present invention.
Fig. 4 is a wireless launcher embodiment principle schematic of the present invention.
Fig. 5 is a wireless receiver embodiment principle schematic of the present invention.
Fig. 6 is a wireless launcher embodiment control module software flow pattern of the present invention.
Fig. 7 is a wireless receiver embodiment control module software flow pattern of the present invention.
Embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
Consider the digitrend of wired home, building and the improvement of living environment, by market analysis and technical Analysis, this patent proposes and has realized following function:
● manual operation and wireless remote control operation are independent fully, not only can be used for replacing common cable switch, socket, also allow directly to embed existing conventional manual switch, socket with modular manner, compatible fully with conventional switch, socket, promptly no matter telepilot is in the state of opening or closing, conventional manual switch, socket can carry out the open and close operation by traditional habit, and no matter hand switch, socket are in the state of opening or closing simultaneously, and telepilot can carry out the open and close straighforward operation; Can directly embed the mounted cable switch of user, socket by modular manner based on realization of the present invention, and do not need to buy brand-new radio remote control switch, socket, mounted cable switch, socket not only can manually be controlled, also increase the wireless remote control function, saved user's existing investment.
● adopt control module to realize the error correction coding/decoding function, further adopt repeatedly the method that sends, once receives simultaneously, guarantee the reliability of system, increased command range simultaneously;
● the transmitting-receiving address code has the nearly address space of more than 1,000 6 hundred ten thousand (can expand to 4,000,000,000) respectively at random, reduces the repetition possibility greatly, and adopts encryption mode to increase the confidentiality and the security of use;
● utilize existing parts (for example switch button and plug) on the controlled circuit as to the sign indicating number key, employing to sign indicating number key and software to the sign indicating number combination to code function, address code can be burned in real time, can choose accidental enciphering address code and burned transmitting-receiving two-end in real time, transmitting-receiving two-end can be deleted all and the individual address sign indicating number in real time.The real-time burned and deletion of address code does not need instruments such as specific interface, circuit are connected, keyboard, and is flexible and convenient to use;
● transmitting terminal adopts the 9V power supply, has broken the restriction that the relevant wireless product of the existing overwhelming majority adopts 12V;
● improve receiver sensitivity, remote control distance is increased communication distance to 50m～to 100m from 30m;
● each transmitter all can independently be provided with each controlled circuit that each receiver connects to sign indicating number, be not only applicable to a receiver module and only connect the occasion of controlling a controlled circuit, be applicable to that a receiver module connects the occasion of a plurality of controlled circuits of control simultaneously yet;
● accomplish that really a control is many, control one more, control more many;
Also realized the following function of market demands simultaneously based on a specific embodiment of this patent:
● night is from bright, when the user when wireless remote control is used in night or dark place, this patent product shows user-friendly Digiplex by the embedded lumination of light emitting diode of control module control.If the user does not have operation in a period of time (as 15s), then close luminous demonstration automatically;
● the power failure auto-lock function is meant that have a power failure back controlled switch, socket when sending a telegram here once more enter shutoff or the on-state that the user is provided with automatically.For example, the switch of supposing the parlor illuminating lamp is in logical state under control of remote controller, just illuminating lamp is a light yellow, when family has a power failure suddenly, spent a period of time, family restores electricity once more, is economize on electricity and security consideration, when restoring electricity, controlled switch can enter the off state that the user is provided with automatically;
● do-not-disturb functionality, be meant that transmitting terminal enters not slave mode by the controlled circuit that sends specific instruction pressure receiving end, and so-called do-not-disturb functionality;
● intelligent interlock function, at some special occasions, the button operation that can utilize only a few to a series of switches, socket carry out intelligence turn-off, connect, regularly, control such as light modulation, significantly reduce the loaded down with trivial details formality in the operating process;
● dimming function, can carry out lighting effects controls such as light modulation as required to light;
● timing function, in some occasion, can carry out shutoff, connection regularly to switch, socket as required;
● the team control function, promptly can realize to one group of switch, socket that user program is crossed turn-off simultaneously, connect, regularly, operation such as light modulation;
The many intelligent wireless remote controllers of can controlling that provided are made up of a plurality of wireless launchers and a plurality of wireless receiver more.As Fig. 2 and shown in Figure 4, wherein, each wireless launcher comprises:
● power module 30, power module 30 provide the power supply of wireless launcher part, mainly comprise the power supply of control module 31, Subscriber Interface Module SIM 32, memory module 33 and radiofrequency emitting module 34;
● clock module 35, clock module 35 provide control module 31 needed operation clocks;
● control module 31, control module 31 receives user's input by Subscriber Interface Module SIM 32, produces control signal corresponding, and carries out Error Correction of Coding, encryption, scrambling, launches by radiofrequency emitting module 34 then;
● memory module 33, memory module 33 are used to preserve information such as the address code of this emitter address sign indicating number and corresponding wireless receiver and supply with control module 31 and use, and one of them wireless receiver can have a plurality of different address codes; Memory module 33 is selected the EEPROM of low-power consumption.
● Subscriber Interface Module SIM 32 comprises user's input interface module 321 (as keyboard) and user's output interface module 322 (showing or the led array demonstration as LCD).Subscriber Interface Module SIM 32 receives the user by user's input interface module 321 and inputs to control module 31, and the output indication of operation information can be provided by user's output interface module 322 simultaneously;
● transmitter module 34, transmitter module 34 comprise amplifying circuit 341, SAW surface acoustic wave frequency stabilization circuit 342 and modulation circuit 343, and this transmitter module 34 passes through antenna transmission with the control signal that control module 31 produces with wireless radio frequency mode; Because signal is launched can be through overdamping, transmitter module 34 carries out power amplification by amplifying circuit 341, satisfies the requirement of remote control distance; For guarantee information inerrably arrives wireless receiver, transmitter module 34 can send repeatedly continuously to same control signal.
As Fig. 3 and shown in Figure 5, each wireless receiver comprises:
● power module 40,40 pairs of civil powers of power module (for example 220V exchanges) carry out rectification, voltage stabilizing, deburring, interference disappears, be converted into required multiple DC voltage, the power supply of wireless launcher part is provided, mainly comprises the power supply of receiver module 41, control module 42, memory module 43 and each control circuit 44;
● receiver module 41, receiver module 41 amplify the radiofrequency signal demodulation back and supply with the control module processing; In receiver module, comprise LNA low noise amplifier 411, frequency-selecting demodulator circuit 412 and multistage amplifier circuit 413, wherein,, reduced noise effect, thereby improved receiving sensitivity, the corresponding communication distance that also increased by adopting multistage amplifier circuit 413.
● clock module 45, clock module 45 provide control module 42 needed operation clocks;
● control module 42, the information that 42 pairs of receiver modules 41 of control module receive is handled, through descrambling, deciphering, error correction decoding, produce 421 pairs of multichannel controlled circuits of corresponding output control signal 46 and carry out corresponding control, also can drive the output indication that output indicating module 47 (for example led array) provides information simultaneously as required; Wherein error correction decoding allows to recover no error code information from the information that error code is arranged that receives, and makes still can obtain communication quality preferably under the poor situation of communication environment the corresponding communication distance that increased.
● memory module 43, memory module 43 are used to preserve information such as corresponding emitter address sign indicating number and this wireless receiver address code and supply with control module 42 and use; A wireless receiver can have a plurality of local address sign indicating numbers, respectively be connected a plurality of controlled circuits 46 correspondences of controlling that transmitter is provided with sign indicating number of passing through;
● output indicating module 47 provides the output indication of information for the user;
● control circuit 44, comprising relay 441, control the action of concrete controlled circuit 46 (for example switch, socket, lamp socket etc.) according to the control signal 421 of control module 42 outputs; On the wireless receiver a plurality of control circuits 44 can be arranged, thereby can connect a plurality of controlled circuits 46 of control;
● wireless receiver also includes sign indicating number array circuit 48, comprising shift knob 481 and socket 482.
Be used to realize that the technical solution of foregoing invention purpose specifically comprises the steps:
(1) before the #M wireless launcher can be controlled corresponding #N controlled circuit, must set up the association between corresponding #M wireless launcher and the #N controlled circuit, this realizes code function by system.Specifically, #M wireless launcher the sign indicating number process is achieved in that to the #N controlled circuit
On the wireless receiver limit that connects the #N controlled circuit, utilize existing parts on the controlled circuit (for example switch button, socket etc.) as to the sign indicating number key, a plurality of the sign indicating number key is formed one to the sign indicating number array.On #N controlled circuit limit, according to certain pattern existing conduct on the controlled circuit is operated (for example 5 seconds in press 5 hand switch buttons at least or plug and unplug socket 5 times) to the parts of sign indicating number key, the #N controlled circuit of expression wireless receiver is just waiting pending to sign indicating number; The #M wireless launcher by Subscriber Interface Module SIM receive the user to code instruction, transmission comprise this an emitter address sign indicating number At and a picked at random address code Rt to sign indicating number information K, this wireless launcher is with random address sign indicating number Rt with #N is mapped and this corresponding relation is kept in the memory module of wireless launcher simultaneously; Receive sign indicating number information K etc. the pending wireless receiver that the #N controlled circuit of sign indicating number is connected, its wireless launcher address code At that comprises and random address sign indicating number Rt are mapped, and corresponding relation are kept in the memory module of wireless receiver.In case finish sign indicating number, system just enters normal operating condition so, and correspondingly the #M wireless launcher can carry out controlled in wireless to the #N controlled circuit.
(2) at #M wireless launcher end, the user attempts the #N controlled circuit is controlled by Subscriber Interface Module SIM input user instruction U; The control module of #M wireless launcher end obtains the previous address code Rt corresponding to the #N controlled circuit that the sign indicating number stage had been stored according to user instruction U from memory module, produces corresponding information signal I.The #N controlled circuit address code Rt that this information I comprises this emitter address sign indicating number At, will control, the instruction C that will control the #N controlled circuit, control module is carried out Error Correction of Coding with information signal I simultaneously, and encrypt as required, scrambler handles the signal Si that encrypted, scrambler is crossed;
(3) at #M wireless launcher end, the signal Si that the encryption that transmitter module is sent control module, scrambler are crossed carries out signal and amplifies, and launches corresponding radiofrequency signal Rf by antenna with wireless radio frequency mode after ovennodulation.Wherein by SAW (surface acoustic wave, the Surface AcousticWave) frequency stabilization circuit of transmitter module, modulation module will obtain a very stable modulating frequency, greatly reduce the interference that the transmission frequency drift produces, simultaneously the corresponding communication distance that increased;
(4) the radiofrequency signal Rf of #M wireless launcher transmission arrives the wireless receiver that the #N controlled circuit is connected through overdamping.At the wireless receiver end that the #N controlled circuit is connected, by receiving antenna, receiver module is at first used LNA (low noise amplifier) amplifying signal, after amplifying through frequency-selecting demodulation, secondary, recovers information signal I.
(5) the wireless receiver end that is connected at the #N controlled circuit, control module is carried out descrambling, deciphering to the signal Si that receiver module receives, carry out error correction decoding simultaneously, obtain information signal I and analyze acquisition #M wireless launcher address code At, #N controlled circuit address code Rt, steering order C.Control module is searched memory module, see whether memory module stores the corresponding relation between At and the Rt, if there is this corresponding relation to exist, represent that so this wireless receiver is a #N controlled circuit institute purpose of connecting wireless receiver, and and then analysis and Control instruction C; If there is no the corresponding relation between At and the Rt represents that so this wireless receiver is not the purpose wireless receiver, can further handle information signal I.
(6) the wireless receiver end that is connected at the #N controlled circuit, through behind the address validation of step 5), control module analysis and Control instruction C produces control signal corresponding output, and the #N controlled circuit is controlled;
(7) for increasing the reliability of radio communication, wireless launcher can send K time continuously to the radiofrequency signal Rf of carry information signals I.
Described step (2)-(7) are the normal flow processs of using of system that #M wireless launcher and #N controlled circuit are formed.Step (1) necessary process before to be that system is normal use, for a pair of by wireless launcher be connected system's general only needs setting that the controlled circuit on the wireless receiver forms once, certainly also can be according to actual needs repeatedly to the sign indicating number setting.
The inventive method has been considered the confidentiality and the security requirement of communication, by to code function, has realized the transmission of random address sign indicating number, greatly reduces the repeatability of system address, has increased the confidentiality and the security of communication simultaneously; In the control module of wireless launcher to information signal encode, encryption, scrambler, do not rely on the universal coding of the transmitter module of wireless launcher, make the security and the confidentiality of communication further increase.
The inventive method has been considered the actual requirement of 1 control N, M control 1 and M control N, by wireless launcher address code information and #N controlled circuit address code information being kept in the memory module of wireless launcher end and the wireless receiver end that is connected the #N controlled circuit, can realize that a control is many, control one more, control many control more, wherein 1 control N represents that a wireless launcher can independently control N controlled circuit, M wireless launcher of M control 1 expression can independently be controlled same controlled circuit, and M is controlled N and represented that M wireless launcher can independently control N controlled circuit.Traditional many control multi-schemes, be meant a plurality of receivers of a plurality of transmitter may command at most, under this scheme, receiver can only connect controlled circuit of control or receiver a plurality of controlled circuits of control linkage on this receiver (connect simultaneously or turn-off simultaneously etc.) simultaneously, can not independent respectively control be connected in a plurality of controlled circuits on the same receiver.Under many control multi-schemes of the present invention, the a plurality of controlled circuits of a plurality of transmitter may command (but not receiver), making can be to being connected the independent respectively control of a plurality of controlled circuits (for example the 1# controlled circuit on the same receiver is connected, and the 2# controlled circuit is turn-offed) on a plurality of receivers.
Compare traditional employing fixed address code plan, the present invention not only reduces the repeatability of system address greatly owing to adopt the transmission that code function is realized the random address sign indicating number, has increased the dirigibility of operation and maintenance simultaneously.
Compare by special study port carry out address code study to code plan, the present invention adopt original creation to sign indicating number key and software method to sign indicating number, not only have better security, also allow multiplexing regular tap button, plug simultaneously, greatly made things convenient for user's operation as to the sign indicating number key.Be known as the compatible like product that uses of wire and wireless in the market, use though also can embed in the regular tap, but be limited to technology, all can not common cable switch button, plug as wireless remote control to the sign indicating number key, the user is at every turn to sign indicating number, all must open regular tap, socket panel, to the sign indicating number key is carried out manual operations just the finishing sign indicating number of the wireless remote control module part that embeds the inside, the user uses very inconvenient.
Comparing traditional provides the scheme of 30m～50m communication distance with the 12V powered battery, and the present invention has realized providing with the power supply of 9V baby battery the communication distance of 50m～100m by following technological means,
● select low energy-consumption electronic device, optimal design at the wireless launcher end, improved the transmitting terminal emission efficiency;
● carry out multistage amplification, reduce noise effect at the wireless receiver end, improved receiving sensitivity;
● adopt error correction coding/decoding, allow from the information that error code is arranged that receives, to recover no error code information;
● at the wireless launcher end, same information is carried out repeatedly radio-frequency transmissions;
The present invention is described in further detail below in conjunction with embodiment.
Wireless launcher embodiment part:
See also shown in Figure 4ly, Fig. 4 is a wireless launcher embodiment schematic diagram of the present invention.
In the present embodiment, a receiver has only connected a controlled circuit.
In the present embodiment, the microprocessor Tx_CPU of control module 31 usefulness high-level efficiency, reduced instruction set computer realizes;
In the present embodiment, memory module 33 usefulness chip AT24C01 realize that AT24C01 is a kind of EEPROM, has the function that the power down data are not lost, in order to data such as storage wireless launcher address code, wireless receiver address codes;
In the present embodiment, user's input interface of Subscriber Interface Module SIM 32 realizes with 4 * 5 keypads, and keyboard button adopts fluorescent material, is convenient to night vision, the cost that can also reduce driving LED greatly and produced;
In the present embodiment, user's output interface of Subscriber Interface Module SIM 32 comes simple realization with a diode D4, to field feedback.
Tx_CPU receives keyboard signal by IO3～IO11 mouth, according to the controlled circuit number (channel) of keyboard input, command request (open and close, channel deletion or to sign indicating number etc.), carry out Error Correction of Coding, encryption, scrambler, then data are sent to radiofrequency emitting module 34.
Wireless receiver embodiment part:
See also shown in Figure 5ly, Fig. 5 is a wireless receiver embodiment schematic diagram of the present invention.
In the present embodiment, the microprocessor Rx_CPU of control module 42 usefulness high-level efficiency, reduced instruction set computer realizes;
In the present embodiment, memory module 43 usefulness chip AT24C01 realize, in order to storage wireless launcher address code, be connected data such as controlled circuit address code on the wireless receiver, interruption-free state;
In the present embodiment, simply to user's indication information, play the effect that the user exports indicating module with diode D8;
To the sign indicating number stage, Rx_CPU detects controlled circuit 46 by the IO6 mouth and whether enters the address learning state, carries out address code study, with wireless launcher send comprise Random assignment to the address code of controlled circuit 46 etc. to the sign indicating number information storage externally in the memory; By the restituted signal that IO7, IO8 received RF receiver module 41 receive, carry out descrambling, deciphering, error correction decoding processing, produce corresponding control signal from the IO1 mouth, 46 operations of control controlled circuit.
Received RF is mainly taked the superregeneration technology, finishes frequency-selecting, amplification and demodulation function.
Among the embodiment, controlled circuit 46 is common cable switch, and what the sign indicating number process was used can be button on the common cable switch panel to the sign indicating number key.Like this, can directly embed common cable switch panel with modular manner, make common cable switch have the wireless remote control function based on realization of the present invention, accomplish manually control and wireless remote control real independent, do not disturb mutually.
See also shown in Figure 6ly again, Fig. 6 is a wireless launcher embodiment control module software flow pattern of the present invention, and it comprises following concrete steps:
(1) system initialization
According to the primary data initialization system of storing among the EEPROM.
(2) key scan
Judge whether button operation, correspondingly received the input of user's keyboard.
(3) obtain different instruction words, address code etc. according to the button difference, encode then, encryption, scrambling handle.
(0～9, *'s numerical key of user's input #) goes on record, (On, Off lock up to the user input commands key, release to sign indicating number, is removed etc.), if command key is not to the sign indicating number key, control module is searched EEPROM according to the numerical key of user's input of being write down so, obtains corresponding controlled circuit address code, add the address code of this transmitter module, add the command code of user input commands key correspondence; If command key is to the sign indicating number key, control module generates a controlled circuit address code at random so, adds the address code of this transmitter module, adds that the user imports the command code to sign indicating number key correspondence; Encode afterwards, encryption, scrambling handle.
(4) send data to radio-frequency module
Radio-frequency module will be launched with RF-wise by antenna through the Frame that coding, encryption, scrambler are handled, and emitting times is n time.
In the present embodiment, we adopt following configuration: the emitter address sign indicating number is 24 (can expand to 32), and emitting times is 3 times, clock 4MHz, program storage 4k * 15bit, data-carrier store 160 * 8bit, 13bit I/O mouth.
See also shown in Figure 7ly again, Fig. 7 is a wireless receiver embodiment control module software flow pattern of the present invention, and it comprises following concrete steps:
(1) system initialization
Be meant the routine that enters after receiver powers on, this routine reads the controlled circuit state variable of preserving among the EEPROM, finishes the initial work of system;
Receiver can connect a plurality of controlled circuits, and each controlled circuit all can be in one of following 4 kinds of states:
● the Unused state, be meant controlled circuit not through to residing state before the sign indicating number, or controlled circuit is through to sign indicating number, but removed residing state after the sign indicating number information by the clear command key again afterwards; Defaultly when receiver dispatches from the factory think that all controlled circuits all are in the Unused state.
● the Study state, be meant controlled circuit enter to sign indicating number wait for but receiver also do not receive at this controlled circuit to residing state before the code instruction; Default situation, controlled circuit is at maximum 30s of the time of Study state.Certainly, when controlled circuit is in the Study state, must the assurance system still can normally control this controlled circuit.
● the Normal state, be meant the controlled circuit process to the state behind the sign indicating number, when normally using, controlled circuit is in the Normal state.
● the Lock state, be meant the blocked state of controlled circuit, in case controlled circuit is locked, transmitter just can not be controlled this controlled circuit so, unless by transmitter this controlled circuit is carried out release, perhaps by the sign indicating number process is come this controlled circuit is provided with once more.
(2) the open and close operation of scanning hand switch state, and execution or the system that is provided with enter learning state.
If the switch button changes 5 times at least in the 5s internal state, controlled circuit enters the Study state so; When controlled circuit is in the Study state, if in 30s system do not receive at this controlled circuit to code instruction, so system will this controlled circuit return to before residing state; If in 30s system receive at this controlled circuit to code instruction, system will be to the address code that comprises in the code instruction address code as controlled circuit so, write among the EEPROM of receiver, the state that controlled circuit is set simultaneously is the Normal state and writes among the EEPROM.
(3) whether inquiry receives data, if receive data, carries out descrambling, deciphering, decoding, matching addresses processing.
According to controlled circuit present located state, and whether receive data, carry out descrambling, deciphering, decoding, matching addresses processing.
(4) according to the data received carry out open and close, lock, release, to actions such as sign indicating number, removings.
According to descrambling, deciphering, decoding, data that matching addresses obtained, and the residing state of current controlled circuit, carry out concrete open and close, lock, release, to actions such as sign indicating number, removings.The instruction if lock, controlled circuit is set so enters the Lock state, in case controlled circuit is in the Lock state, so only receive after unlock command at this controlled circuit makes that controlled circuit enters the Normal state at receiver, or once more by after the sign indicating number process is provided with address code to this controlled circuit again, transmitter could recover normal control to this controlled circuit.If clear instruction is removed the interior address code at this controlled circuit of receiver so, controlled circuit is set simultaneously enters the Unused state.
In the present embodiment, we adopt following configuration: the controlled circuit address code is 24 (can expand to 32), clock 4MHz, program storage 4k * 15bit, data-carrier store 160 * 8bit, 8bit I/O mouth.
The telechiric device antijamming capability of present embodiment is strong, and address capability is big, has do-not-disturb functionality, interlock function; And can realize that to sign indicating number address interconnect passes in real time, function is removed in the real-time address; Use encryption function, and adopt the random address sign indicating number, security performance is good; The investment that can effectively protect the user to carry out is used in remote control under the situation that allows wire and wireless and deposit; Have night from bright function, help night vision; Has the power failure auto-lock function; And farther communication remote control distance is arranged, safe and reliable.
As a further improvement on the present invention, system can be to the controlled circuit number of control that a receiver connects, utilize the original parts of controlled circuit as the user's output interface module to code method, data decoding method, transmitting terminal and receiving end of sign indicating number key, additional function (as: team control function, do-not-disturb functionality, control function able to programme, timing function) etc. are adjusted according to system's needs.
In this instructions, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1, the many intelligent wireless remote controllers of a kind of many controls, comprise several wireless launchers and several wireless receivers, wherein said each wireless launcher includes power module, Subscriber Interface Module SIM and transmitter module, described each wireless receiver includes power module and receiver module, it is characterized in that, described each wireless launcher all also comprises a control module and a memory module, and a clock module and described wireless launcher control module link; Described each wireless receiver all also comprise a control module, a memory module, an output indicating module and several respectively with the joining control circuit of each controlled circuit, a clock module and described wireless receiver control module link.
2, the many intelligent wireless remote controllers of many controls according to claim 1, it is characterized in that, the power module of described wireless launcher is a 9V baby battery electric power system, the element of each module of this wireless launcher is a low energy-consumption electronic device, and the receiver module of described wireless receiver comprises the multilevel signal amplifying circuit.
3, the many intelligent wireless remote controllers of many controls according to claim 1 is characterized in that the transmitter module of described wireless launcher comprises a SAW surface acoustic wave frequency stabilization circuit.
4, the many intelligent wireless remote controllers of many controls according to claim 1 is characterized in that, the power module of described wireless receiver is that 220V exchanges the voltage conversion device that becomes multiple DC voltage.
5, a kind of method of using the described device of claim 1 to carry out wireless remote control is characterized in that described method may further comprise the steps:
(1) wireless launcher is before the controlled circuit of the corresponding wireless receiver of control, using system code operations is set up association between the controlled circuit of corresponding wireless launcher and wireless receiver;
(2) wireless launcher is by Subscriber Interface Module SIM reception user's input instruction, and control module is wherein launched the compiling conversion operations of information signal according to this user input instruction;
(3) transmitter module of wireless launcher emission information signal that control module is sent carries out signal and amplifies, and launches corresponding radiofrequency signal by antenna with wireless radio frequency mode after ovennodulation;
(4) radiofrequency signal of wireless launcher transmission arrives the wireless receiver that controlled circuit connected through overdamping; The receiver module of the wireless receiver that controlled circuit connected with LNA low noise amplifier amplifying signal, after frequency-selecting demodulation, secondary amplification, recovers information signal by receiving antenna;
(5) control module of the wireless receiver that controlled circuit connected is carried out the decompiling conversion operations to the signal that receiver module receives, the information signal that obtains reducing;
(6) control module of the wireless receiver that controlled circuit connected is carried out analysis and judgement and subsequent operation to the information signal that obtains in the step (5).
6, method of carrying out wireless remote control according to claim 5 is characterized in that, code operations be may further comprise the steps in the described step (1):
(1) wireless receiver that connects controlled circuit with existing parts on the controlled circuit as to the sign indicating number key, a plurality of to one of sign indicating number key composition to the sign indicating number array;
(2) user the controlled circuit side according to certain pattern to controlled circuit on existing conduct the parts of sign indicating number key are operated, make that the controlled circuit etc. of wireless receiver is pending to sign indicating number;
(3) wireless launcher by Subscriber Interface Module SIM receive the user to code instruction, transmission comprise this an emitter address sign indicating number and a picked at random address code to sign indicating number information, this wireless launcher is mapped random address sign indicating number and corresponding controlled circuit simultaneously, and this corresponding relation is kept in the memory module of wireless launcher;
(4) etc. the pending wireless receiver that controlled circuit connected to sign indicating number receives sign indicating number information, its wireless launcher address code that comprises and random address sign indicating number are mapped, and corresponding relation is kept in the memory module of wireless receiver, then finish code operations, enter normal operating condition.
7, method of carrying out wireless remote control according to claim 5 is characterized in that, the compiling conversion operations to the emission information signal in the described step (2) may further comprise the steps:
(1) control module of wireless launcher end obtains the previous address code corresponding to controlled circuit that the sign indicating number stage had been stored according to user input instruction from memory module, produces corresponding information signal;
(2) the controlled circuit address code that comprise this emitter address sign indicating number in the information signal that obtains in the step (1), will control and the instruction that controlled circuit is controlled, control module is carried out Error Correction of Coding with this information signal;
(3) control module with the information signal that obtains in the step (2) encrypt as required, scrambler handles, the emission information signal of encrypted, scrambler being crossed is then finished the compiling conversion operations to the emission information signal.
8, method of carrying out wireless remote control according to claim 5 is characterized in that, the signal in the described step (5) carries out the decompiling conversion operations and may further comprise the steps:
(1) control module is carried out descrambling, deciphering to the signal that receiver module receives;
(2) control module is carried out error correction decoding to the signal that obtains in the step (1), and the information signal that obtains reducing is also analyzed, and obtains wireless launcher address code, controlled circuit address code and steering order, then finishes the decompiling conversion operations of signal.
9, method of carrying out wireless remote control according to claim 5 is characterized in that, analysis and judgement and subsequent operation in the described step (6) may further comprise the steps:
(1) control module is searched memory module, see whether memory module stores the corresponding relation between wireless launcher address code and the controlled circuit address code, if there is this corresponding relation to exist, represent that so this wireless receiver is a controlled circuit institute purpose of connecting wireless receiver, and and then analysis and Control instruction, the output of generation control signal corresponding is controlled controlled circuit;
(2) the if there is no corresponding relation between wireless launcher address code and the controlled circuit address code represents that so this wireless receiver is not the purpose wireless receiver, does not then further handle information signal.
10, method of carrying out wireless remote control according to claim 5 is characterized in that, the operation of the corresponding radiofrequency signal of emission in the described step (3) is meant: wireless launcher sends for several times continuously to the radiofrequency signal of carry information signals.
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| CNB2004100255149A CN100365668C (en) | 2004-06-25 | 2004-06-25 | Multi-control-multi intelligent type wireless remote control device and method |
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| CNB2004100255149A CN100365668C (en) | 2004-06-25 | 2004-06-25 | Multi-control-multi intelligent type wireless remote control device and method |
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| WO2007141629A3 (en) * | 2006-06-08 | 2008-02-21 | Auclen Shanghai Ltd | Application solution of infrared communication in automatic sensing sanitary wares |
| CN100477749C (en) * | 2005-05-24 | 2009-04-08 | 深圳创维－Rgb电子有限公司 | Many-to-many wireless transmission device |
| CN101465045B (en) * | 2008-12-03 | 2010-06-23 | 江苏惠通集团有限责任公司 | Management method for household electrical appliance authority |
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| JPH04368094A (en) * | 1991-06-15 | 1992-12-21 | Matsushita Electric Works Ltd | Wireless remote control oscillator |
| CN1335679A (en) * | 2000-07-22 | 2002-02-13 | 陈鸿贤 | Intelligent radio remote control electric appliance switch system |
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| CN1888334B (en) * | 2006-06-08 | 2010-05-12 | 上海科勒电子科技有限公司 | Application method for infrared communication in automatic inducting sanitary ware |
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| CN102957457B (en) * | 2011-08-25 | 2015-11-25 | 国民技术股份有限公司 | Based on mobile communcations system and method, card reader and the mobile terminal of evanescent wave |
| CN103839401A (en) * | 2012-11-23 | 2014-06-04 | 于智为 | Concentration infrared remote control method based on cloud server |
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