CN106933168A - Relay control module, its control method and relay control system - Google Patents
Relay control module, its control method and relay control system Download PDFInfo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
- G05B19/0425—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24167—Encryption, password, user access privileges
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25242—Relay
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25252—Microprocessor
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Abstract
The invention provides a kind of relay control module, its control method and relay control system, it is related to electronic applications, relay control module includes：Microprocessor, relay, communication module, input module and output precision, the microprocessor are coupled with the relay, the communication module, the input module and the output precision respectively；The communication module is used to receive and/or send revisable control parameter, the input module is used to gather signal data, the microprocessor memory storage AES and the secret key matched with the AES, the microprocessor is additionally operable to be encrypted the control parameter based on the AES and is then forwarded to the communication module, or the control parameter received based on communication module described in the secret key pair is decrypted.The relay control module can alleviate that current relay control module control mode is single, application surface is narrower and insecure communication problem.
Description
Technical field
The present invention relates to electronic applications, in particular to a kind of relay control module, its control method and relay
Device control system.
Background technology
Relay (Relay), also referred to as relaying, are a kind of electronic control devices, and it has control system (also known as being input into back
Road) and by control system (also known as output loop), be commonly used in automatic control circuit, be with less electric current go control compared with
One kind " automatic switch " of high current.Traditional integrated relay control module is per secondary control just for one or one group of relay
Device is controlled, and control mode single application face is narrower, and insecure communication.
The content of the invention
In view of this, the purpose of the embodiment of the present invention be provide a kind of relay control module, its control method and
Relay control system, to alleviate, current relay control module control mode is single, application surface is narrower and communication is uneasy
Full problem.
In a first aspect, a kind of relay control module is the embodiment of the invention provides, including：It is microprocessor, relay, logical
News module, input module and output precision, the microprocessor respectively with the relay, communication module, described defeated
Enter component and output precision coupling；The communication module is used to receive and/or send revisable control parameter, described
Input module is used to gather signal data, the microprocessor memory storage AES and close with what the AES was matched
Spoon, the microprocessor is additionally operable to be encrypted the control parameter based on the AES and is then forwarded to the communication mould
Block, or the control parameter received based on communication module described in the secret key pair is decrypted.
Second aspect, the embodiment of the invention provides a kind of relay control system, and the system includes：Control
Module and terminal device, each described relay control module are electrically connected with terminal device one or more described, multiple
Communicated to connect by the communication module between the relay control module.
The third aspect, the embodiment of the invention provides a kind of control method of relay control module, methods described application
In relay control module, the relay control module includes：Microprocessor, relay, communication module, input module and
Output precision, the microprocessor respectively with the relay, the communication module, the input module and the output group
Part is coupled；Methods described includes：The communication module receives control parameter；The input module gathers signal data；It is described micro-
It is pre-conditioned that processor judges whether the signal data meets；Pre-conditioned when meeting, the microprocessor is based on the control
Relay described in driving parameter processed and the terminal device being connected with the output precision work according to pre-set programs.
Compared with prior art, various embodiments of the present invention propose a kind of relay control module, its control method and
The beneficial effect of relay control system is：Revisable control parameter is received or sent by communication module to control relay
Device control module so that relay control module can realize multiple control modes based on control parameter, tackle different demands,
Expand the application surface of relay control module, further, it is also possible to the AES for being based on being stored in microprocessor and with
The secret key of the AES matching, the control parameter to being received by communication module is decrypted or communication module is sent
Revisable control parameter be encrypted, solve the problems, such as insecure communication.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
A kind of structured flowchart of relay control module that Fig. 1 is provided for first embodiment of the invention；
The structured flowchart of the relay control module of the another embodiment that Fig. 2 is provided for first embodiment of the invention；
A kind of structured flowchart of relay control system that Fig. 3 is provided for second embodiment of the invention；
The structured flowchart of the relay control system of the another embodiment that Fig. 4 is provided for second embodiment of the invention；
The flow chart of the control method of the relay control module that Fig. 5 is provided for third embodiment of the invention.
Icon：100- relay control modules；110- microprocessors；120- relays；130- communication modules；140- is input into
Component；150- optocouplers；160- output precisions；170- voice modules；200- relay control systems；210- terminal devices；220-
Server.
Specific embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be arranged and designed with a variety of configurations herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of selected embodiment of the invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.Meanwhile, of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
First embodiment
Fig. 1 is refer to, first embodiment of the invention provides a kind of relay control module 100, and it includes microprocessor
110th, relay 120, communication module 130, input module 140, optocoupler 150 and output precision 160.The microprocessor 110
Respectively with the relay 120, the communication module 130, the input module 140, optocoupler 150 and the output precision
160 couplings.
Wherein, relay 120 is also referred to as relaying, is a kind of electronic control device.It has control system (also known as being input into back
Road) and by control system (also known as output loop), be commonly used in automatic control circuit, be with less electric current go control compared with
One kind " automatic switch " of high current.As a kind of implementation method, same relay control module 100 can include it is multiple after
Electrical equipment 120, each relay 120 is coupled with microprocessor 110 respectively.Function phase is same or different relays 120 can be simultaneously
Row work, does not interfere with each other.Each relay 120 can be operated according to the parameter of oneself.For example, the first relay 120 prolongs
When 30 seconds, 120 time delay of the second relay 20 seconds, 120 time delay of the 3rd relay 10 seconds.After server 220 is simultaneously emitted by instruction, three
Individual relay 120 is opened simultaneously, but the time closed is different.
Input module 140 can be signal collecting device.If relay control module 100 is for example used for gate control system,
Then input module 140 can be card reader (RF radio frequencies card reader)；It is defeated if relay control module 100 is used for elevator
Enter component 140 can be for gathering the switching signal of human infrared signal (1 or 0) receiving interface, the interface can with it is micro-
The input pin coupling of processor 110.It is, of course, also possible to relay control module 100 is used for newspaper box, storage tank.Certainly, one
Individual relay control module 100 can control multiple equipment, and correspondingly, input module 140 can also include card reader and signal
Interface.
The data signal or analog signal that input module 140 will can be collected are uploaded to microprocessor 110 in real time, its
In, the quantity of the signal that microprocessor 110 can receive simultaneously depends on the number of pin of microprocessor 110, each pin pair
An address is answered, therefore, if the priority of input module 140 is coupled from the different pins of microprocessor 110, the input module
140 priority address is also different.During up-delivering signal, stabilization treatment can be carried out to signal, such as in microprocessor
Increase a low pass filter before 110 pin, when signal changes, address and the signal of the signal of change are uploaded in time
Value.
Optocoupler 150 (opticalcoupler, OC) is also known as photoisolator or photoelectrical coupler.It is with light as medium
The device of transmitting telecommunication number, protective separation is played a part of to microprocessor 110.
Output precision 160 can be various data-interfaces, such as digital interface tube, pulse width modulation output interface etc..
Output precision 160 is used to be connected with output equipment.
Microprocessor 110 is probably a kind of IC chip, and the disposal ability with signal can be by a piece of or minority
Several central processing units of large scale integrated circuit composition.These circuits can perform the work(of control unit and arithmetic and logical unit (ALU)
Energy.Microprocessor 110 can be completed to read instruction, execute instruction, and the behaviour such as information is exchanged with extraneous memory and logical block
Make, be the operation control part of microcomputer, it can be with memory and peripheral circuit chip composition microcomputer.
AES and the secret key matched with the AES can be stored in microprocessor 110.If communication module 130
When sending control parameter, microprocessor 110 can first be based on AES of the storage in microprocessor 110 by control parameter
It is encrypted, if communication module 130 will receive control parameter, microprocessor 110 can be based on storage in microprocessor 110
The control parameter that receives of secret key pair be decrypted.Further, the array that control parameter can be made up of set of number,
The every number in array is encrypted and then sent according to the AES for pre-defining, when receiving control parameter, can be with
According to the original value in the secret key reduction array corresponding with the AES for pre-defining per number, so as to ensure that reception
The security of data and transmission data, prevents that illegal instruction is sent in relay control module 100 by communication module 130
So that relay 120 is connected or disconnected, the signal that other equipment illegally obtains receiving relay control module 100 is also prevent
State, it is ensured that the security that relay control module 100 is run under network.Due to being passed using communication data cipher mode
Defeated, many one layer of protections of control instruction will not easily be trespassed by people, and the equipment that relay control module 100 is controlled is more
Safe and reliable, with greater need for data encryption, synchronous signal status information will not be revealed easily for particularly door lock control.
Communication module 130 can be 485 buses, ethernet module, ZigBee module, bluetooth module or WiFi module,
Relay control module 100 can receive revisable control parameter come control relay 120 based on the communication module 130,
Additionally, the revisable control parameter that relay control module 100 is also based on the transmission of the communication module 130 controls it
His relay control module 100.Because control parameter can be changed at any time, traditional relay control module parameter one is overcome
Denier setting cannot just be changed, and control single problem.
After the communication module 130 receives control parameter, the collection signal data of input module 140, the signal data bag
Include Signal Message Address and signal value；It is pre-conditioned that microprocessor 110 judges whether signal data meets, and bar is preset when judging to meet
During part, microprocessor 110 is based on the control parameter and drives the relay 120 and be connected with the output precision 160
Equipment works according to pre-set programs.
Control parameter can make change according to actual conditions, will be applied to relay control module 100 below electronic
Elaboration is made as a example by automatically-controlled door.
Wherein, input module 140 can include RF radio frequency card readers, and the IC-card of user identity is characterized for reading, and obtain
The ID data at family are taken, and the address of the ID data of user and the RF radio frequency card readers of the ID data for obtaining user is sent to
Microprocessor 110.In addition, mobile terminal (such as mobile phone) can also be sent by communication module 130 to relay control module 100
ID data.The address of input module 140 is determined by the pin of microprocessor 110.Additionally, input module 140 can also be wrapped
Include be connected with electric automatic door electromagnetic lock signaling interface, current detecting analog signal interface, motor open in place signaling interface,
Motor encoder signaling interface.
Output precision 160 can include pulse width modulation (PWM) output interface, and motor can be defeated with pulse width modulation
Outgoing interface is connected.
Now, relay 120 can include electric relay, the electric relay of the controlled motor sense of current of control door lock.
ID data are sent to microprocessor 110 by RF radio frequencies card reader or communication module 130, so that microprocessor
Device 110 judges whether the user corresponding to ID data has authority.
Further, microprocessor 110 can the user of typing in advance ID data messages, when microprocessor 110 is received
After the ID data that RF radio frequencies card reader or communication module 130 send, the ID of the ID data that will be received and advance typing
Data message is matched, if the match is successful, the user has authority.
After judging that user has authority, microprocessor 110 can be according to the sub- relay of control parameter drive control door lock
Device, the electric relay of the controlled motor sense of current and with output precision 160 connect motor according to corresponding pre-set programs work
Make.
In present embodiment, control parameter can include the electric relay control parameter of control door lock, controlled motor electricity
The electric relay control parameter (controlled motor is rotated and reverse) in direction, motor is flowed to rotate forward parameter, motor and rotate backward ginseng
Number.
Wherein, the electric relay control parameter of control door lock includes delay time；The sub- relay of the controlled motor sense of current
Device control parameter includes：Motor opens signal in place or motor encoder signal-count value, delay time, the class of electronics lock signal three ginseng
Number；Motor rotates forward parameter and opens signal, current detecting in place including electronics lock signal, motor encoder signal-count, motor
Analog signal, motor operation speed etc.；Motor inverted running parameter includes the state of the electric relay of the controlled motor sense of current
Signal, motor encoder signal-count, door lock signal etc..
For example, the electric relay control parameter of control door lock sets and is：Without condition judgment before action, time delay bar after action
Part judgement, judges whether delay time reaches.
The electric relay control parameter of the controlled motor sense of current set be judge before action motor opening in place signal or
Person's motor encoder signal-count value, delay time, action postcondition is door lock signal.
Motor rotates forward the sub- relay that parameter setting is door lock signal, motor encoder signal-count, the controlled motor sense of current
The status signal of device, 3 stages (startup stage, operation phase, decelerating phase) of motor operation speed pulse width modulation it is defeated
Outgoing interface (PWM) output valve, motor open signal in place.
The status signal of the electric relay of the motor reversal parameter setting controlled motor sense of current, current detecting simulation letter
Number, motor encoder signal-count, door lock signal.
Due to before the electric relay action for controlling door lock without Rule of judgment, so controlled after being connected to instruction the son of door lock after
Electrical equipment disconnects.At this moment electromagnetic lock power-off, does not have magnetic to be in open mode, and door lock signal is "On" state.Time delay (assuming that 6 seconds)
The electric relay connection of control door lock afterwards.When the lock body of electromagnetic lock is not in contact with closing piece, electromagnetic lock is in open shape
State, electromagnetic lock is locked after lock body is contacted with closing piece, and at this moment lock signal is "Off".
Motor rotates forward control：Start PWM outputs when detecting door lock signal for "ON", while receiving motor encoder signal simultaneously
Count；Determine the distance of motor operation, determine that the dutycycle of power supply output reaches the purpose of control speed according to distance.Then connect
The electric current of current detecting analog signal real-time monitoring motor is received, if electric current exceedes setting value, suspends motor operation；Wait some
Restart after second, and detect size of current, motor operation is continued if normal until receiving open the door signal or electricity in place
Machine encoded signal is counted and reaches setting value.At this moment PWM outputs, motor stalls are stopped.Terminate motor and rotate forward operation.
After the electric relay reception motor encoder signal-count value of the controlled motor sense of current reaches arranges value, then time delay 10
Second, the electric relay of the controlled motor sense of current is connected afterwards.This judgement is exactly multiple according to counting → time delay → signal sequence
Close and judge.If signal is not provided with being defaulted as very.It is exactly within 10 seconds residence time after door is opened in place.Controlled motor electric current side
To electric relay be always maintained at connected state to receive door lock signal be close, when door lock signal be "Off" when, control electricity
The electric relay of the machine sense of current disconnects.
When the electric relay state for detecting the controlled motor sense of current is in connection, PWM output motors are rotated.With electricity
Machine rotates forward the same, different overall travel speeds differences, while the size of real-time detection electric current.When door lock signal is received for "Off",
Stop PWM outputs, motor stalls.
The above is exactly the process that relay control module 100 is once completely controlled electric automatic door, can define difference
The multiple instruction of parameter controls same automatically-controlled door.Its implementation effect is also differed, and for example door opens residence time, switch gate
Speed etc. in the light of actual conditions can be modified at any time.
Relay control module 100 is not only applicable to electric automatic door, can also be applied to water purification machine control.Wherein, it is defeated
Entering component 140 can include RF radio frequencies card reader, flow sensor, switch interface.Output precision 160 can include and electromagnetism
The power of electromagnetic valve interface of valve connection and the digital interface tube being connected with charactron.
ID data are sent on microprocessor 110 by RF radio frequency card readers, judge user right.Possesses authority
Microprocessor 110 judges pure water remaining sum again afterwards, and be not zero then execute instruction.Without judging before action, according to signal meter after action
Numerical value and switching signal judge.
After sending instruction, relay 120 is connected, and magnetic valve switches on power openings, and water flows out.Flow sensor has signal defeated
Go out, input signal is received by input module 140 and is counted.Count value is shown on charactron in real time.When count value is super
When crossing the value of setting or receiving switching signal, relay 120 disconnects, and turns off power of electromagnetic valve, and water stops outflow.At this moment use
The remaining sum of family water subtracts count value and draws new remaining sum.Charactron resets, and control device is again at wait state.
Refer to Fig. 2, relay control module 100 can also include voice module 170, voice module 170 can with after
The microprocessor 110 of electrical control module 100 is coupled.Voice module 170 can be the integrated circuit for storing sound, integrated circuit
External loudspeaker or buzzer, can upon receipt of the signals start alarm or suggestion voice.
Access control will be applied to relay control module 100 below and make elaboration.Gate inhibition's electromagnetic lock unblock after swiping the card,
Door can be opened, if electromagnetic lock is not unlocked, goalkeeper is opened by force and starts alarm.
Wherein, input module 140 can include RF radio frequency card readers, and the IC-card of user identity is characterized for reading, and obtain
The ID data at family are taken, and the address of the ID data of user and the RF radio frequency card readers of the ID data for obtaining user is sent to
Microprocessor 110.In addition, mobile terminal (such as mobile phone) can also be sent by communication module 130 to relay control module 100
ID data.Additionally, input module 140 can also include the door lock signal interface being connected with gate inhibition.
Output precision 160 can include electromagnetism lock interface, and electromagnetic lock is connected with electromagnetism lock interface.
Now, relay 120 can include electric relay, the electric relay of control voice module 170 of control door lock.
ID data are sent to microprocessor 110 by RF radio frequencies card reader or communication module 130, so that microprocessor
Device 110 judges whether the user corresponding to ID data has authority.
After judging that user has authority, microprocessor 110 can be according to the sub- relay of control parameter drive control door lock
Device, the electric relay of control voice module 170 and with output precision 160 connect electromagnetic lock according to corresponding pre-set programs work
Make.
Wherein, pre-set programs include carrying out the virtual letter that computing is obtained according to default logical expression by logical variable
Number, the virtual signal is used to control the relay 120.Wherein, the logical variable is gathered by the input module 140
At least one carries out logic judgment with the control parameter in input signal, the state of relay 120, delay time, metering numerical value
After formed, the relay status include：Open and close.Such as on off state and input signal (door of the electric relay of control door lock
Lock signal) value determine a value for virtual signal.
In present embodiment, controlling the control parameter of the electric relay of door lock to set can be：Without condition before action
Judge, there is delay time to judge after action.The control parameter of the electric relay of control voice module 170 is set：Action
Preceding judgement virtual signal, is worth for 1 relay 120 is connected；Delay judgement after action.
Virtual signal：When the electric relay status signal of door lock is controlled for connection and door lock signal is "ON", then virtual letter
Number be 1；Other situation virtual signals are 0.
Instruction is connected under normal circumstances, controls the electric relay of door lock to disconnect, and door lock signal is "ON".At this moment door lock
Open, sliding door enters or goes out.The electric relay time delay of door lock is controlled to recover connection afterwards for a period of time, electromagnetic lock is powered.When
Electromagnetic lock is locked after being contacted with closing piece, and door lock signal is changed into "Off".When anon-normal hold-open door, the relay 120 of door lock is controlled
State is connection, but door lock signal is "ON", and triggering virtual signal value is changed into 1.At this moment the electric relay of control voice module 170
After receiving virtual signal, the electric relay connection of control voice module 170 makes the energization of voice module 170 send alarm, prolongs
When some time after, the electric relay of control voice module 170 disconnects stop alarm.If virtual signal is always 0, control
The electric relay of voice module 170 is always to be off, and will not be alarmed.
Can be with stored voice message, such as " card is invalid, snap past the phase, need payment ", voice module in microprocessor 110
After 170 receive the instruction that the microprocessor 110 sends, can play and the corresponding voice messaging of the instruction.
Additionally, emergency flight control parameter can also be pre-saved in microprocessor 110, when microprocessor 110 detects communication
When the communication failure of module 130 or communicating interrupt, the emergency flight control parameter for pre-saving can be based on to relay control module
100 send off line control so that relay control module 100 in communication failure or communicating interrupt can also off-line working,
Relevant equipment is controlled using the control parameter for pre-setting.When communication line inspection is normal, reset relay control module 100
The instruction to be received such as original state.The emergency flight control parameter for pre-setting can be changed at any time, raw after remote activation is carried out
Effect.
The beneficial effect of relay control module 100 that first embodiment of the invention is provided is：Connect by communication module 130
Receive or send revisable control parameter and carry out control relay control module 100 so that relay control module 100 being capable of base
Multiple control modes are realized in control parameter, different demands are tackled, the application surface of relay control module 100 is expanded, this
Outward, the AES being stored in microprocessor 110 and the secret key matched with the AES are also based on, to passing through
The control parameter that communication module 130 is received is decrypted or the revisable control parameter that communication module 130 sends is carried out
Encryption, solves the problems, such as insecure communication.
Second embodiment
Refer to Fig. 3, the present invention second applies example and provides a kind of relay control system 200, the system includes multiple the
Relay control module 100 and multiple terminal devices 210 in one embodiment.Each described relay control module 100 with
One or more terminal device 210 is electrically connected, can be by communication module between multiple relay control modules 100
130 realize communication connection.
Terminal device 210 can be with identical, it is also possible to different.It is defeated that different terminal devices 210 can provide different signals
Enter.For example can be elevator signal, electromagnetism lock signal, direct current generator signal, newspaper box or locker signal, water purification machine signal, big
Room illumination sign, door sensor signal, human infrared signal, light-sensing signal etc..Connect light-sensing signal and the time judges then to may be used on
Automatic curtain or Street lamps control；Water receiving level sensor signal may be used on the automatic opening control of water pump；Connect human body infrared letter
Number then may be used on intelligent lighting controls；Connect soil humidity sensor signal and just may apply to automatic irrigation control；Connect flow
Sensor signal may apply to water dispenser control etc..
Wherein, output information for relay control module 100 can by communication module 130 be sent to another after
Electrical control module 100, as the control parameter of another relay control module 100, realizes multiple modules of relay 120
Cooperate.For example, the first relay control module 100, the second relay control module 100, the 3rd relay control module
100 cooperate.After i.e. the first relay control module 100 has worked, finger is sent to the second relay control module 100
Order, the second relay control module 100 is started working；By that analogy, after the second relay control module 100 has worked, the
Three relay control modules 100 are started working.Hall call buttons and control are controlled certainly with relay control system 200 below
Elaboration is made as a example by dynamic illumination.Swipe the card or mobile phone transmission information after judge access right, if having authority, elevator is made according to authority
Up-downgoing button recovers function or directly to light, while judging whether someone's activity controls the illumination in the region in outgoing call region.
Wherein, input module 140 can include RF radio frequency card readers, human infrared signal sensor, elevator up-down
Button modulating signal.Output precision 160 can include being connected with the interface and elevator descending button of ascending for elevator button connects respectively
Interface and illuminator connection interface.The control is related to 5 relays 120.
Up button connects electric relay：When the electric relay is connected, up button can use calling elevator.Otherwise
Button can not call elevator.Needing the parameter for setting includes human infrared signal, delay time before action, after action during time delay
Between, button modulating signal.
Descending button connects electric relay：It is the same with button connection electric relay.
Up button lights electric relay：When the electric relay is connected, up Push-button lamp is lighted, equivalent to pressing elevator
Button, the delay parameter after only acting.
Descending button lights electric relay：It is the same electric relay to be lighted with up button.
Illumination electric relay：Electric relay connection rear lighting lamp is lighted and detected, it is necessary to set action front signal, after action
Time delay, and the instruction is that circulation is performed.As long as then the electric relay is just connected always signal, illuminating lamp is bright always.
If user has directly lights descending button, other buttons have no right the authority of operation, and microprocessor 110 is only under
Row button connects electric relay and descending button is lighted electric relay and operated.Descending button connection electric relay connects first
It is logical so that button loop turns on, then detect human body infrared detectable signal.After signal is received, descending button point transom after
Electrical equipment is connected, and equivalent to button is pressed, at this moment Push-button lamp is bright.Human infrared signal explanation elevator outer calling region is not received by not have
Someone's activity, then descending button is lighted electric relay and will not be connected, but is off, and Push-button lamp will not be lighted, and be prevented
Maloperation makes the frequently invalid operation of elevator.The descending button connection Push-button lamp such as electric relay is disconnected after time delay some seconds again after going out
(signal → time delay → logical circuit of counter expression formula), descending button connection electric relay cut-off push button loop, makes button controlled afterwards,
So as to the use of control button.
Additionally, refer to Fig. 4, used as a kind of implementation method, relay control system 200 can also include server 220,
One or more described relay control module 100 can set up logical by communication module 130 and the server 220
Letter connection.The server 220 can be the webserver, database server etc..
Control parameter can send by server 220, be received by different relay control modules 100.Each after
The control parameter of electrical control module 100 can be acted the Signal Message Address and value of forward and backward condition, be prolonged with difference, including relay 120
When the time, count value, state value (open and close), time out value, halt signal address and value etc. parameter.Microprocessor 110 can be with root
Relay 120 is controlled according to these parameters.
Additionally, the judgement of the authority of user can also be sent to server 220 by communication module 130, sentenced by server 220
Microprocessor 110 is fed back to after disconnected authority.
The beneficial effect of relay control system 200 that second embodiment of the invention is provided is：Connect by communication module 130
Receive or send revisable control parameter and carry out control relay control module 100 so that relay control module 100 being capable of base
Multiple control modes are realized in control parameter, different demands are tackled, the application surface of relay control module 100 is expanded, this
Outward, the AES being stored in microprocessor 110 and the secret key matched with the AES are also based on, to passing through
The control parameter that communication module 130 is received is decrypted or the revisable control parameter that communication module 130 sends is carried out
Encryption, solves the problems, such as insecure communication.Each relay control module 100 can connect identical terminal device 210,
Different terminal devices 210 can be connected, the application surface of relay control system 200 is expanded.
3rd embodiment
Fig. 5 is refer to, third embodiment of the invention provides a kind of control method of relay control module, the method application
Relay control module in first embodiment.The flow shown in Fig. 5 will be illustrated below, methods described includes：
Step S110：The communication module receives control parameter.
Step S120：The input module gathers signal data.
Step S130：It is pre-conditioned that the microprocessor judges whether the signal data meets.
Step S140：It is pre-conditioned when meeting, the microprocessor be based on the control parameter drive the relay with
And the terminal device being connected with the output precision works according to pre-set programs.
The pre-set programs include：The virtual letter that computing is obtained is carried out according to default logical expression by logical variable
Number, the virtual signal is used to control the relay, wherein, the logical variable is believed by the input that the input module is gathered
Number, relay status, delay time, at least one carry out being formed after logic judgment with the control parameter in metering numerical value, institute
Stating relay status includes：Open and close.
The detailed description of above method step refer to first embodiment and second embodiment, and here is omitted.
In sum, the embodiment of the present invention is proposed relay control module, its control method and Control system
System, is received by communication module or sends revisable control parameter come control relay control module so that relay control
Molding block can realize multiple control modes based on control parameter, tackle different demands, expand relay control module
Application surface, further, it is also possible to be based on the AES that is stored in microprocessor 110 and close with what the AES was matched
Spoon, the control parameter to being received by communication module is decrypted or the revisable control parameter that communication module sends is entered
Row encryption, solves the problems, such as insecure communication.
In several embodiments provided herein, it should be understood that disclosed module and method, it is also possible to pass through
Other modes are realized.Device embodiment described above is only schematical, for example, flow chart and block diagram in accompanying drawing
Show the device of multiple embodiments of the invention, the architectural framework in the cards of method and computer program product,
Function and operation.At this point, each square frame in flow chart or block diagram can represent one the one of module, program segment or code
Part a, part for the module, program segment or code is used to realize holding for the logic function for specifying comprising one or more
Row instruction.It should also be noted that at some as in the implementation replaced, the function of being marked in square frame can also be being different from
The order marked in accompanying drawing occurs.For example, two continuous square frames can essentially be performed substantially in parallel, they are sometimes
Can perform in the opposite order, this is depending on involved function.It is also noted that every in block diagram and/or flow chart
The combination of the square frame in individual square frame and block diagram and/or flow chart, can use the function or the special base of action for performing regulation
Realized in the system of hardware, or can be realized with the combination of computer instruction with specialized hardware.
In addition, each functional module in each embodiment of the invention can integrate to form an independent portion
Divide, or modules individualism, it is also possible to which two or more modules are integrated to form an independent part.
If the function is to realize in the form of software function module and as independent production marketing or when using, can be with
Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.Need
Illustrate, herein, such as first and second or the like relational terms be used merely to by an entity or operation with
Another entity or operation make a distinction, and not necessarily require or imply these entities or there is any this reality between operating
The relation or order on border.And, term " including ", "comprising" or its any other variant be intended to the bag of nonexcludability
Contain, so that process, method, article or equipment including a series of key elements are not only including those key elements, but also including
Other key elements being not expressly set out, or it is this process, method, article or the intrinsic key element of equipment also to include.
In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including the key element
Process, method, article or equipment in also there is other identical element.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, then it is not required in subsequent accompanying drawing
It is further defined and is explained.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of relay control module, it is characterised in that including：Microprocessor, relay, communication module, input module with
And output precision, the microprocessor respectively with the relay, the communication module, the input module and the output
Component is coupled；The communication module is used to receive and/or send revisable control parameter, and the input module is used to gather to be believed
Number, the microprocessor memory storage AES and the secret key matched with the AES, the microprocessor are also used
In the control parameter being encrypted based on the AES be then forwarded to the communication module, or based on the secret key
The control parameter that the communication module is received is decrypted.
2. relay control module according to claim 1, it is characterised in that the input module includes that RF radio-frequency cards are read
Card device, the output precision includes pulse width modulation output interface.
3. relay control module according to claim 1, it is characterised in that the relay control module also includes language
Sound module, the voice module is coupled with the microprocessor, the microprocessor memory storage voice messaging, so that the voice
After module receives the instruction that the microprocessor sends, play and the corresponding voice messaging of the instruction.
4. relay control module according to claim 1, it is characterised in that the relay control module includes multiple
Relay, each described relay is coupled with the microprocessor respectively.
5. relay control module according to claim 1, it is characterised in that the microprocessor memory storage emergency flight control
Parameter, for when communication module communication failure or communicating interrupt is detected, based on the emergency flight control parameter pair for pre-saving
Relay control module sends off line control.
6. a kind of relay control system, it is characterised in that the system include in multiple claim 1-5 it is any it is described after
Electrical control module and terminal device, each described relay control module are electrically connected with terminal device one or more described
Connect, communicated to connect by the communication module between multiple relay control modules.
7. relay control system according to claim 6, it is characterised in that the system also includes server, wherein
One or more described relay control module is set up with the server by the communication module and communicated to connect.
8. relay control system according to claim 6, it is characterised in that each relay control module connection
Terminal device is different, and the control mode of each terminal device is different.
9. a kind of control method of relay control module, it is characterised in that methods described is applied to relay control module, institute
Stating relay control module includes：Microprocessor, relay, communication module, input module and output precision, the microprocessor
Device is coupled with the relay, the communication module, the input module and the output precision respectively；Methods described bag
Include：
The communication module receives control parameter；
The input module gathers signal data；It is pre-conditioned that the microprocessor judges whether the signal data meets；
It is pre-conditioned when meeting, the microprocessor be based on the control parameter drive the relay and with the output group
The terminal device of part connection works according to pre-set programs.
10. control method according to claim 9, it is characterised in that the pre-set programs include：By logical variable according to
Default logical expression carries out the virtual signal that computing is obtained, and the virtual signal is used to control the relay, wherein, institute
State at least one in input signal, relay status, delay time, metering numerical value that logical variable is gathered by the input module
Formed after carrying out logic judgment with the control parameter, the relay status include：Open and close.
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| CN201710349990.3A CN106933168A (en) | 2017-05-16 | 2017-05-16 | Relay control module, its control method and relay control system |
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| CN201710349990.3A CN106933168A (en) | 2017-05-16 | 2017-05-16 | Relay control module, its control method and relay control system |
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Application publication date: 20170707 |