A kind of remote control supervisory control system and method for supervising
Technical field
The present invention relates to safety-security area, relate in particular to a kind of remote control supervisory control system and method for supervising.
Background technology
Network monitoring system generally comprises video camera, network system, Surveillance center's (centralized control software) and server.Network monitoring system utilizes video server or web camera that network signal is delivered on the network system, and Surveillance center's (centralized control software) collects signal from network and handles and show from display unit, thereby can realize the strange land monitoring.Along with the development of monitoring technique, its application also expands to the office administration function from the security function.
The demonstration of the Surveillance center of existing supervisory control system terminal and operation are generally just carried out on computers, utilize mouse-keyboard to operate.Yet, but, the user enters the alarm device of network monitoring zone wanting to forbid that this is regional or the video output and the video recording of network monitoring when need leaving Surveillance center oneself, and after the user closes alarm device during the deviated from network guarded region, when but wanting in time to open the video output of this regional alarm device or network monitoring and video recording, only people of user can't realize control operation.
For addressing the above problem, application number is that 200720022987.2 Chinese patent discloses a kind of multi-functional TV monitor terminal device and comprises end host, remote controller and display, described remote controller is by being provided with described end host of control and display, described end host inside is provided with the remote controller adapter, can receive remote command, and terminal inner is provided with display adapter, can show to described display screen by the switching network pilot signal, and described remote controller adopts infrared transmitting tube emission infrared signal to control described end host and display.
Yet, the remote controller that the employing infrared transmitter is made is when operation, the infrared transmitter of remote controller must be aimed at receiver, and in the middle of both obstacle can not be arranged, and generally be no more than 7 meters by the infrared control close together, be only applicable to short distance and operate face-to-face, and can't monitor place remote.And the existing remote controller control watch-dog that adopts, the signal of remote controller emission is easy to directly be received and demodulate numeric data code by the people, so is easy to be cracked by the people.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of remote control supervisory control system, can realize that place remote monitoring and user are not subjected to distance and direction restriction can control Surveillance center at any time, and signal completeness height.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of remote control supervisory control system is provided, comprise watch-dog, the Digiplex of control watch-dog, described Digiplex comprises a plurality of function buttons, the microcontroller that is connected with function button, radio frequency control module that is connected with microcontroller and the antenna that is connected with described radio frequency control module, wherein, function button is used to trigger microcontroller and produces button triggering sign indicating number, and send first code data to watch-dog, first code data that watch-dog is used for sending according to Digiplex returns to Digiplex one frame second code data, second code data that microcontroller is used for watch-dog is returned and button trigger sign indicating number and encrypt formation the 3rd code data, the 3rd code data is modulated into radiofrequency signal by radio frequency control module and is launched by described antenna then, carry out decrypted signal by described second code data behind the watch-dog received RF signal, and realize controlled function according to the signal of being deciphered.
Wherein, described Digiplex comprises power supply, described microcontroller is a TINY series monolithic ATTINY24V chip, described microcontroller chip the 7th, the tenth, the 11, the 12, the 13 pin is connected with described function button respectively, the the 6th, the 9th pin of described microcontroller chip is connected to an indicator light respectively, first pin of described microcontroller chip connects described power supply, the 14 pin ground connection of microcontroller.
Wherein, described watch-dog is connected with alarm device, the described control of network system output control signal alarming processing, SOS or video record function.
Wherein, the chip model of described radio frequency control module is A71C03AU, the 20 pin of described radio frequency control module is connected with second pin of described microcontroller chip, the 21 pin is connected with the 3rd pin of described microcontroller chip, the 22 pin is connected with the 8th pin of described microcontroller chip, the 23 pin is connected with the 9th pin of described microcontroller chip, the 9th pin of described radio frequency control module is connected with a tuning circuit, the described antenna of output termination of described tuning circuit.
Wherein, described watch-dog is connected with alarm device, the described control of network system output control signal alarming processing, SOS or video record function.
Wherein, described function button comprises quiet MUTE button, opens the ON button, closes the OFF button, safeguards RST button and SOS SOS button, and described quiet MUTE button and the 7th pin of microcontroller chip are connected, open the ON button and be connected, close the OFF button with the 12 pin of microcontroller chip and be connected, safeguard that with the 11 pin of microcontroller chip the RST button is connected with the 13 pin of microcontroller chip, SOS SOS button is connected with the tenth pin of microcontroller chip.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of method for supervising of remote control supervisory control system is provided, comprises following process:
A, function button trigger microcontroller chip, and the program of establishing in the microcontroller chip judges that at first which button works, and preserve button simultaneously and trigger sign indicating number;
B, the program control microcontroller chip of establishing in preserving button triggering sign indicating number back microcontroller chip are exported a frame first code data and are given radio frequency control module;
C, radio frequency control module are carried out the FSK modulation with a frame first code data that is received, and obtain first radiofrequency signal, and are launched by antenna;
Radio frequency control module one frame second code data was given in passback after D, watch-dog received first radiofrequency signal;
E, radio frequency control module receive second code data that watch-dog returned and send it to microcontroller chip by antenna, and microcontroller chip carries out cryptographic calculation with the button triggering sign indicating number of preserving in the microcontroller chip in described second code data and the steps A and obtains the 3rd code data;
The 3rd code data that F, radio frequency control module will be encrypted formation carries out the FSK modulation, obtains second radiofrequency signal, is launched by antenna;
G, watch-dog receive second radiofrequency signal of antenna emission, and decrypted signal, then according to the signal processing events corresponding after the deciphering.
Wherein, in steps A, E, it is 16 bytes that described button triggers sign indicating number, and in step D, E, described first, second code data is 4 bytes.
Wherein, described microcontroller chip is connected with indicator light, in step G, comprises step: the button that described network monitor equipment has been encrypted by RF return triggers sign indicating number, the order of this button of notice Digiplex successfully receives, and shows by the indicator light that is connected with the microcontroller chip.
In step D, described watch-dog sends first code data according to Digiplex and randomly draws second code data and return to described Digiplex, and each second code data that extracts of described watch-dog is all inequality.
The invention has the beneficial effects as follows: the remote control supervisory control system that is different from prior art is controlled Surveillance center by Infrared remote controller, need to aim at receiver control, command range closely can't be realized the situation that strange land remote monitor and fail safe are not high, remote control supervisory control system of the present invention is sent radiofrequency signal by the function button triggering microprocessor controls radio frequency control module of operate wireless remote controller and is gone out by antenna transmission, by the antenna emitting radio frequency signal, long distance of signal transmission, not influenced by obstructs such as building, adopt the high-frequency transmission signal speed fast simultaneously, strong interference immunity, thus can realize that the control of remote strange land is not subjected to beam-shaping effect.
When using remote control supervisory control system of the present invention, the user only need operate the function button of described Digiplex, trigger microcontroller by function button and launch first code data to watch-dog, microcontroller is preserved button and is triggered sign indicating number simultaneously, Digiplex second code data was given in passback after watch-dog received first code data, microcontroller triggers sign indicating number with second code data and button and encrypts and obtain the 3rd code data, the 3rd code data is modulated into radiofrequency signal by radio frequency control module and is launched by described antenna then, watch-dog carries out decrypted signal and realizes controlled function according to the signal of being deciphered after receiving radiofrequency signal, the present invention is by repeatedly adding coded signal, the thief needs repeatedly intercept signal just can crack, it is big to crack difficulty, can avoid signal directly to be received situation about cracking by the people, the signaling security height is not easy to be cracked by the people.
Description of drawings
Fig. 1 is the structural representation of remote control supervisory control system of the present invention;
Fig. 2 is the structural representation of the Digiplex of remote control supervisory control system of the present invention;
Fig. 3 is the circuit diagram of the function button of the described Digiplex of Fig. 2;
Fig. 4 is the circuit diagram of the microcontroller of the described Digiplex of Fig. 2;
Fig. 5 is the circuit diagram of the radio frequency control module of the described Digiplex of Fig. 2.
Embodiment
By describing technology contents of the present invention, structural feature in detail, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
See also Fig. 1 and Fig. 2, remote control supervisory control system of the present invention comprises the Digiplex 20 of watch-dog 10, the described watch-dog 10 of control and is connected the also network system 30 of transmission network signal with watch-dog 10.Described watch-dog 10 is connected with alarm device, has alarm, video record and alarming processing functions such as (comprise and send the SMS notification client), and also binding on this watch-dog 10 has SOS phone 12.Described watch-dog 10 comprises network monitoring center and is used for shows signal or the display screen of video output.
See also Fig. 2, Fig. 3, Fig. 4 and Fig. 5, described Digiplex 20 comprise a plurality of function buttons for users operation, with the microcontroller 22 of function button control connection, with the radio frequency control module 23 of microcontroller 22 output control connections and the antenna P1 that is connected with described radio frequency control module 23 outputs.In the present embodiment, described function button has five, is respectively quiet MUTE button, opens the ON button, closes the OFF button, safeguards RST button and SOS SOS button.
The function of each button is as follows: open the alarm device of the guarded region of control watch-dog by opening the ON button, will trigger corresponding alarm device and send a warning message to network monitoring center if there is this moment the people illegally to scurry into guarded region.Network monitoring center will carry out corresponding alarming processing according to warning information, as: carry out video record or send short message notification user etc.
As user oneself if when entering guarded region; close the alarm and the video record function of guarded region by the key control watch-dog by closing OFF; so user oneself can not trigger this regional alarm device, closes video simultaneously and can protect the privacy of oneself.
As the user emergency takes place in guarded region, can press SOS SOS button, watch-dog will dial the SOS phone of binding so.
When need closing or open the sound of network monitoring, the user realizes by key control by quiet MUTE.
The user presses and safeguards the RST button, and the web interface that watch-dog is set will be unlocked 30 minutes, allows safeguard the setting of using web interface to upgrade watch-dog.
In the present embodiment, described microcontroller 22 is a TINY series monolithic ATTINY24V chip.Described radio frequency control module 23 is that model is the A71C03AUF chip, has the bi-directional RF IC of modulating.The 7th pin of described microcontroller 22 chips is connected with described quiet MUTE button, the tenth pin with seek advice promptly that the SOS button is connected, the 11 pin with close that the OFF button is connected, the 12 button with open that the ON button is connected, the 13 pin with safeguard that the RST button is connected, the 9th pin is connected with the 22 pin of described radio frequency control module 23, the 8th pin is connected with the 23 pin of radio frequency control module 23.The 6th pin of described microcontroller 22 chips is connected with a low pressure detection chip IC3, this low pressure detection chip IC3 model is HT7024A, and the 5th pin of described microcontroller 22 chips and the 9th pin are connected with a current-limiting resistance R3, R1 and indicator light D1, D2 respectively.Second pin of described microcontroller 22 chips is connected with the 20 pin of radio frequency control module 23, the 3rd pin of described microcontroller 22 chips is connected with the 21 pin of radio frequency control module 23, first pin of described microcontroller 22 chips connects power supply, this power supply is the 3.3V button cell, the 14 pin ground connection of described microcontroller 22 chips.The 9th pin of described radio frequency control module 23 is connected to tuning circuit, and this tuning circuit is made up of C12, C13, C14, C15, L3, L4, L5.The output of described tuning circuit is connected to antenna P1.
When remote control supervisory control system of the present invention is worked, the user presses any one button in the Digiplex of carrying 20, microcontroller 22 pin of chip that are connected with button will be drawn as low level, microcontroller 22 chip pin level change, just wake microcontroller 22 chips up and enter mode of operation, communication process or network monitoring process below carrying out:
The program of establishing in A, microcontroller 22 chips judges that at first which button works, and preserves the button triggering sign indicating number of 16 bytes simultaneously.
Second pin (CE) the output high level of B, program control microcontroller 22 chips makes radio frequency control module 23 be in normal mode of operation.Program control microcontroller 22 chips the 3rd pins (TRX) output high level makes radio frequency control module 23 be operated in the emission of radio frequency signals state.
The 22nd pin (TX-DATA) that a frame first code data is given radio frequency control module 23 is exported in the 9th pin serial of C, program control microcontroller 22 chips.
D, radio frequency control module 23 are carried out FSK with a frame first code data that is received and are modulated into first radiofrequency signal, first radiofrequency signal is from the 9th pin output of radio frequency control module 23, through the tuning circuit that C12, C13, C14, C15, L3, L4, L5 formed, launch by antenna P1 then.
The 3rd pin (TRX) output low level of E, program control microcontroller 22 chips allows radio frequency control module 23 be operated in the radiofrequency signal accepting state.
Passback had second code data of 4 bytes for Digiplex 20 1 frames after F, watch-dog 10 received first code data that Digiplex 20 sent.Described watch-dog is randomly drawed second code data after according to Digiplex 20 first code data that sends and is returned to described Digiplex 20, and each second code data that extracts of described watch-dog is all inequality.
G, radio frequency control module 23 receive the second code data signal that watch-dog 10 is returned by antenna P1, and be demodulated to serial data, and give the 8th pin of microcontroller 22 chips by the 23rd pin (RX-DATA) output of radio frequency control module 23 through the tuning circuit that C15, C14, L5, C7, L2, C6 formed.
Serial second code data that H, the 23rd pin (RX-DATA) by radio frequency control module 23 have been demodulated to a frame outputs to the 8th pin of microcontroller 22 chips, the 8th pin of described microcontroller 22 chips of the program control of establishing in the microcontroller 22 carries out data sampling, and therefrom takes out the password of 4 bytes.Then the 16 byte buttons of preserving in the microcontroller 22 among second data cryptogram of 4 bytes and the top A being triggered sign indicating number carries out cryptographic calculation and obtains the 3rd data cryptogram.
The 3rd pin (TRX) the output high level of I, program control microcontroller 22 chips makes radio frequency control module 23 be operated in emission state, radio frequency control module 23 is carried out FSK with the 3rd data cryptogram and is modulated into second radiofrequency signal, and from the output of the 9th pin of radio frequency control module 23, through C12, C13, C14, C15, L3, L4, L5 tuning circuit, go out by antenna P1 wireless transmission then.
The 3rd pin output low level of J, program control microcontroller 22 chips makes radio frequency control module 23 be operated in the radiofrequency signal accepting state.
By described second code data second radiofrequency signal is carried out decrypted signal behind K, watch-dog 10 received RF signals, watch-dog 10 is according to the signal processing events corresponding after deciphering, and, notify the order of Digiplex 20 these buttons successfully to receive by the button triggering sign indicating number that RF return has been encrypted.
L, Digiplex 20 receive the button triggering sign indicating number that the watch-dog passback has been encrypted equally according to the reception course of action of above G, H.The 5th pin output high level of microcontroller 22 chip programs control microcontroller 22 chips is lighted indicator light D1.So allow the user know, the key command that the user sends monitored device receives and handles.
M, program recovery do not have the state of action.By microcontroller 22 chip programs control microcontroller 22 chips the 7th, the tenth, the 11, the 12, the 13 pin makes it be operated in the high level input state; The output of the 5th, nine pins of microcontroller 22 chips is when the low level operating state, and indicator light D1, D2 extinguish, thus current sinking not; Second pin of microcontroller 22 chips is exported in the low level operating state to allow radio frequency control module 23 be operated under the battery saving mode.Microcontroller 22 chip operations are under low power mode, and entire circuit enters under the power down mode so, and power consumption is flowed less than 1 microampere.
When remote control monitor system operation of the present invention is used, the user only need operate the function button of described Digiplex 20, trigger microcontroller 22 by function button and launch first code data to watch-dog, microcontroller 22 is preserved button and is triggered sign indicating number simultaneously, Digiplex 20 second code datas were given in passback after watch-dog 10 received first code data, microcontroller 22 triggers sign indicating number with second code data and button and encrypts and obtain the 3rd code data, the 3rd code data is modulated into second radiofrequency signal by radio frequency control module and is launched by described antenna then, watch-dog 10 receives second radiofrequency signal to carry out decrypted signal and realizes controlled function according to the signal of being deciphered, the present invention is by repeatedly adding coded signal, the thief needs repeatedly intercept signal just can crack, it is big to crack difficulty, can avoid signal directly to be received situation about cracking by the people, the signaling security height is not easy to be cracked by the people.
The Digiplex 20 of remote control supervisory control system of the present invention sends radiofrequency signal by operating function button triggering microcontroller 22 control radio frequency control module 23 and is sent by antenna P1, the control signal long transmission distance, not influenced by obstructs such as building, adopt the high-frequency transmission signal speed fast simultaneously, strong interference immunity, thus can realize the control of remote strange land.
The remote control supervisory control system that is different from prior art is controlled Surveillance center by Infrared remote controller, needs to aim at receiver control, and command range is near, can't realize the situation that strange land remote monitor and fail safe are not high.The Digiplex 20 of remote control supervisory control system of the present invention sends radiofrequency signal by operating function button triggering microcontroller 22 control radio frequency control module 23 and is sent by antenna P1, network monitor equipment is realized controlled function according to the corresponding thing of signal processing after receiving signal, thereby adopt radiofrequency signal control signal long transmission distance, not influenced by obstructs such as building, adopt the high-frequency transmission signal speed fast simultaneously, strong interference immunity, thus can realize place remote control.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.