CN106640072A - Bidirectional communication remote control device for coal mining machine and communication method - Google Patents
Bidirectional communication remote control device for coal mining machine and communication method Download PDFInfo
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- CN106640072A CN106640072A CN201611266548.6A CN201611266548A CN106640072A CN 106640072 A CN106640072 A CN 106640072A CN 201611266548 A CN201611266548 A CN 201611266548A CN 106640072 A CN106640072 A CN 106640072A
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- 230000006854 communication Effects 0.000 title claims abstract description 100
- 238000004891 communication Methods 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000005065 mining Methods 0.000 title abstract description 9
- 239000003245 coal Substances 0.000 title abstract description 7
- 230000007175 bidirectional communication Effects 0.000 title abstract 7
- 238000012545 processing Methods 0.000 claims abstract description 42
- 238000002955 isolation Methods 0.000 claims abstract description 40
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000037007 arousal Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000005622 photoelectricity Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000005059 dormancy Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000015654 memory Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 229920000260 silastic Polymers 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/24—Remote control specially adapted for machines for slitting or completely freeing the mineral
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- Life Sciences & Earth Sciences (AREA)
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- Geology (AREA)
- Selective Calling Equipment (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention belongs to the technical field of remote control communication of a coal mining machine and provides a bidirectional communication remote control device for the coal mining machine. The bidirectional communication remote control device comprises a bidirectional remote controller and a wireless communication isolation module, wherein the bidirectional remote controller is provided with a display unit, a first wireless communication unit, a first data processing unit and a keyboard; the wireless communication isolation module comprises a second wireless communication unit, a second data processing unit, a photoelectric isolation device and a communication port; the bidirectional remote controller is used for giving a remote control instruction and a data refreshing instruction according to information input by the keyboard, and sending the instructions to the wireless communication isolation module; the wireless communication isolation module is used for sending the remote control instruction to an upper computer and obtaining data according to the remote control instruction and the data refreshing instruction, and transmitting the data back to the bidirectional remote controller, and the data is displayed through the display unit. The invention further provides a communication method of the bidirectional communication remote control device. By adopting the bidirectional communication remote control device, bidirectional communication of the remote controller and the upper computer can be realized; the bidirectional communication remote control device can be widely applied to the field of the coal mining machine.
Description
Technical field
The present invention relates to coal-winning machine remote-control communication technical field, specifically a kind of to realize to the wireless of coal-winning machine
Straighforward operation, can realize the bidirectional remote control communication system shown to the wireless retaking of a year or grade of each item data of coal-winning machine again.
Background technology
Used as the key core equipment of coal mine fully-mechanized mining working, its parameter display system is the weight of coal-winning machine system to coal-winning machine
One of part is wanted, is the window directly perceived that miner understands equipment performance.It is coal-winning machine safe operation to grasp equipment operational factor at any time
Basic guarantee, to fully-mechanized mining working safety in production have significant impact.
More conventional coal-winning machine is compared, and common coal-winning machine all possesses parameter displaying device, is exactly by coal-winning machine service data, respectively
Sensor parameters are mapped on LCDs, and the screen is located at the center of coal-winning machine.Setting up for display device is produced for miner
There is provided convenience, but still the part that comes with some shortcomings, become the hidden danger of coal-winning machine safe operation, Safety of Coal Mine Production.
1st, on high inclination-angle, thin seam working surface, miner is highly inconvenient in internal stent walking, during fully mechanized mining
Viewing display window is even more difficulty, easily causes tumbles, injures by a crashing object etc. and endangering；
2nd, on large-mining-height working surface, coal-winning machine, scrapper conveyor, support are all relatively large equipment so that support from coal-winning machine farther out,
The information in display device is not seen during fully mechanized mining, if because stopping coal-winning machine it is necessary to lead when technology needs must look at, drop
Low production efficiency；
3rd, the parameter that conventional display device main interface shows is less so that miner cannot grasp details, easily causes equipment
Damage because of overload.
Therefore, coal-winning machine remote control and wireless display system are increased, the safe operation, reliability, reduction production to coal-winning machine
Accident plays an important role.
The content of the invention
It is to be solved by this invention in for prior art, it is impossible to show a difficult problem for coal-winning machine service data in mobile terminal
Technical problem is：A kind of coal-winning machine both-way communication remote control is provided, can while remote control coal mining machine action is not affected,
Realization shows in real time the service data of coal-winning machine in mobile terminal.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of both-way communication remote control of coal-winning machine
Device, including two-way remote control and wireless telecommunications isolation module；Display unit, first wireless is provided with the two-way remote control
Communication unit, the first data processing unit and keyboard, the display unit and first radio communication unit and described first
Data processing unit connects；The wireless telecommunications isolation module includes the second radio communication unit, the second data processing unit, light
Electrical isolation device and PORT COM, second radio communication unit is communicated to connect with first radio communication unit, described
Second radio communication unit is connected with second data processing unit, and second data processing unit passes through photoisolator
Part and PORT COM are connected with upper machine communication；The two-way remote control is used for the information according to the input through keyboard, provides distant
Control instruction and data refreshing instruction, and the wireless telecommunications isolation module is sent to, the wireless telecommunications isolation module is used for root
According to the telecommand and data refreshing instruction, send telecommand to host computer and obtain data, and by data back to institute
Two-way remote control is stated, is shown by the display unit.
Second data processing unit is Multi-serial port microprocessor, and second radio communication unit is low power consumption digital
Wireless communication module, the PORT COM is RS interface circuits and RS interface circuits.
First data processing unit adopts the microprocessor of model CF, first radio communication unit to adopt type
Number for nRF wireless communications chips, the nRF wireless communications chips are connected by SPI interface with first data processing unit
Connect.
The display unit includes LCD video-stream processors and low-power consumption LCD display, and the LCD video-stream processors pass through
Asynchronous serial port is connected with first data processing unit.
LED light, rotary switch and dual-mode antenna are additionally provided with the two-way remote control, in the two-way remote control
It is additionally provided with supplying cell and intrinsic safety electric source modulate circuit.
Present invention also offers a kind of means of communication of described coal-winning machine with both-way communication remote control, including following step
Suddenly：
Step one：Determine whether that remote information sends according to button, if having, start a remote information transmitting, and continue
Determine whether remote information next time；If no, into next step；
Step 2：Judge need show data items whether change, if changing, send display project pointer list to show
Show that unit is shown, and return to step one, if unchanged, into next step；
Step 3：Judge whether to need refresh data, if need not, return to step one；If desired, then to wireless telecommunications isolation
Module sends data readback request command, and enters next step；
Step 4：Judge whether the data for being properly received the return of wireless telecommunications isolation module, if it succeeds, data are preserved, and
Pass to display unit to be shown, and return to step one；If unsuccessful, into next step；
Step 5, judge whether time-out, if overtime, put data read errors mark, and return to step, if not overtime,
Step one is returned to, data return is continued waiting for.
The step one is further comprising the steps of：When arbitrary button is pinned always on the keyboard, but do not press
When key is not changed in, repeat its transmission is carried out by the cycle of mS, for as the heartbeat of receiving end signal interrupt time-out process, directly
To the button it is released when, the once remote information without button is sent at once；
The step 3 is further comprising the steps of：The wireless telecommunications isolation module is received after data readback request command, with
Machine selected part data beam back the two-way remote control；In the step 3, judge whether to need refresh data to specifically refer to, away from
From judging last return data whether more than s.
The described coal-winning machine means of communication of both-way communication remote control, it is further comprising the steps of：
Configuration information is read from the inside of first data processing unit, data variable, end are then carried out to two-way remote control
The initialization of mouth level, timer, serial communication and display screen；
Display subroutine is called, subprogram, Data inputing subprogram and interface processing subprogram is communicated；
Judge current whether idle, if idle, arrange and enable interruption arousal function, allow first data processing unit to enter
Enter park mode；If it is not idle, or interrupt wake-up, into the step one.
The simultaneously enabled terminals arousal function that arranges is specifically included：Real-time clock Interruption is configured and enables, configuration is simultaneously
Enable keyboard interrupt.
Unique sequence number is provided with the wireless telecommunications isolation module, after the two-way remote control is started shooting, first to nothing
Line communication isolation module sends and reads serial number request, after the sequence number of reading is stored, as address letter is remotely controlled
The transmission of breath.
The present invention has the advantages that compared with prior art：A kind of coal-winning machine both-way communication remote control of the present invention
Device, while realizing conventional remote coal-winning machine action, can in real time show the service data of coal-winning machine again, operate coal-winning machine
Personnel can be reached by the remote control in hand and understand equipment operation details, improve the safety guarantee of operating personnel, can send out in time
Existing failure, convenient investigation failure, reduces coal-winning machine fault rate.
Description of the drawings
Fig. 1 is a kind of circuit connection diagram of coal-winning machine both-way communication remote control provided in an embodiment of the present invention；
Fig. 2 is a kind of contour structures schematic diagram of coal-winning machine two-way remote control provided in an embodiment of the present invention；
Fig. 3 is a kind of flow chart of the communication means of coal-winning machine both-way communication remote control provided in an embodiment of the present invention；
Fig. 4 is a kind of main program flow chart of coal-winning machine both-way communication remote control provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment to the present invention
In technical scheme be clearly and completely described, it is clear that described embodiment be the present invention a part of embodiment, and
It is not all, of embodiment；Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work
Under the premise of the every other embodiment that obtained, belong to the scope of protection of the invention.
As shown in figure 1, for a kind of coal-winning machine both-way communication remote control of the embodiment of the present invention, including two-way remote control
1 and wireless telecommunications isolation module 2；Be provided with the two-way remote control 1 display unit 11, the first radio communication unit 12,
One data processing unit 13 and keyboard 14, the display unit 11 and first radio communication unit 12 and first data
Processing unit 13 connects；The wireless telecommunications isolation module 2 includes the second radio communication unit 21, the second data processing unit
22nd, photoelectric isolating device 23 and PORT COM 24, second radio communication unit 21 and first radio communication unit 12
Communication connection, second radio communication unit 21 is connected with second data processing unit 22, second data processing
Unit 22 is connected by photoelectric isolating device 23 and PORT COM 24 with upper machine communication；The two-way remote control 1 is used for basis
The information of the input of the keyboard 14, provides telecommand and data refreshing instruction, and is sent to the wireless telecommunications isolation module
2, the wireless telecommunications isolation module 2 is used for according to the telecommand and data refreshing instruction, sends remote control to host computer and refers to
Order and acquisition data, and by data back to the two-way remote control 1, shown by the display unit 11.
Wherein, as shown in Fig. 2 for the front view in kind of two-way remote control 1, the shell 18 of the two-way remote control 1 adopts ABS
Engineering plastics injection mo(u)lding, is provided with dual-mode antenna 15, LED light 16, left and right remote control instruction 17 and rotary switch 19,
Wherein, keyboard 14, LED light 16 and left and right remote control indicates that 17 are produced on a silastic keyboard, the silastic keyboard
Made with closely conjunction by stainless steel faceplate 181 and shell 18, it is possible to achieve waterproof and dampproof function, effective protection internal electron electricity
Road；Keyboard 14 is designed with 18 buttons, and these button majorities are designed to form of icons, can intuitively correspond to the distant of coal-winning machine
Control function, convenient memory, highly versatile, button can be arranged by 3X6, have 9 holding wires with host CPU interface, wherein during 3 are
Disconnected formula retaking of a year or grade line, 6 is keyboard scan line.The design of LED light 16 is required to adapt to down-hole application, is more intuitively indicated
The working condition of remote control, LED light has three, respectively green, yellow and redness, can be used to intuitively indicate remote control
Emission state, three kinds of colors can indicate the charge condition of battery while transmitting, and green represents that battery electric quantity is sufficient, yellow
Color table shows that battery electric quantity is moderate, and redness represents that battery electric quantity is low.Rotary switch 19 is the total power switch of remote control, and clockwise revolves
Turn on machine, rotate counterclockwise shutdown；One piece is provided with the display screen of display unit 11 transparent with machine glass 111, the back of the body is carried
Light, can select to open and close.
Wherein, in the two-way remote control 1, the first data processing unit 13 can adopt the micro- of model C8015F920
Processor, it is low-power consumption mixed signal microprocessor, built-in 10 A/D, can also realize the monitoring of cell voltage, there is inside
E2 functions, it is possible to achieve the power-failure memory of parameter and preservation, there is the inside high accuracy RC clock of calibration, can save outside crystalline substance
Body, there is pin MISS MATCH arousal functions, can be waken up microprocessor from dormancy by keyboard；
First radio communication unit 12 can adopt the wireless communications chips of model nRF905 of NORDIC companies of Norway product,
The nRF905 wireless communications chips are connected by SPI interface with first data processing unit 13, and nRF905 is a complete
The functional modules such as the wireless data sending chip of numeral, built-in frequency synthesizer, power amplifier, crystal oscillator and modulator, it is defeated
Going out power and communication channel can be configured by program, and transmitting-receiving frequency is set to 435.7MHz, and transmission power is set to+
10dBm, operating current during transmitting is about 30mA, and electric current during reception is about 12mA, and standby mode electric current is about 12.5uA；
Display unit 11 can include LCD video-stream processors and low-power consumption LCD display, and the design of dual processor can be conveniently
Programming, can save the resource of host CPU, allow host CPU preferably to complete wireless data communication, allow function of wireless remote control real-time
More preferably, LCD video-stream processors and LCD display are on one piece of circuit board, it is possible to achieve modularized design；At the LCD displays
Reason device is connected by asynchronous serial port with first data processing unit 13；Display unit 11 can have backlight using COG types
128X64 dot matrix black-and-white crystal display screens, are managed by independent display screen processor CPU, are shown by serial communication and are believed
Content, has dormancy and interruption to change awake function；LCD display can be divided into multi-screen carries out automatic cycle scrolling display, specifically can be with
Divide three screens, often screen shows 4 row data, switch an on-screen data every 4 ~ 5s and be circulated display.When needing to pay close attention to certain
During one parameter, selection page turning can be carried out by button, at this moment can break the delay time that circulation shows, rest on the display of selection
The screen upper time is 60 seconds, to facilitate a certain item data of concern.
Wherein, in the wireless telecommunications isolation module 2, it can be the micro- place of Multi-serial port that second data processing unit 22 is
Reason device, for example：Model STC15W4K32S4, second radio communication unit 21 can be low power consumption digital wireless telecommunications mould
Block, for example：Model NRF905, the model of photoelectric isolating device 23 can be high-speed photoelectric coupler 6N137；The communication terminal
Mouth 24 can be RS485 interface circuits and RS232 interface circuits, and the PORT COM is suppressed using resettable fuse and transient state
Diode does port surging prevention.Wherein, in wireless telecommunications isolation module 2, photoelectric isolating device 23 is intrinsically safe circuit and non-
The isolating device of intrinsically safe circuit, the circuit of the close side of two-way remote control 1, including the second radio communication unit 21, at the second data
The circuit of reason unit 22 is designed for essential safe type, and the PORT COM being connected with host computer is that non-intrinsically safe is safety-type.
Wherein, host computer refers to the main controller for referring to coal-winning machine, is generally made up of PLC or inserted computer etc., does not make here
Limit.It is wirelessly to realize half duplex communication, channel radio between the two-way remote control 1 and wireless telecommunications isolation module 2
It is half duplex communication to be realized with RS485 communication interfaces or is realized with RS232 communication interfaces complete between news isolation module and host computer
Duplex signaling.
Wherein, in the two-way remote control 1, power supply can also be included, power supply can be dry for two section AA alkalescence
Battery is connected, and it is 1.5V that often economize on electricity is pressed, and total voltage is 3V, in addition, it can include intrinsic safety electric source conditioning ionization, for powering
The output of power supply is converted into after pretreatment two-way remote control internal components, such as the first data processing unit 13, display unit 11
Intrinsic safety electric source Deng required for.
As shown in figure 3, the embodiment of the present invention additionally provides a kind of the logical of above-mentioned coal-winning machine both-way communication remote control
Communication method, comprises the following steps：
Step one：Determine whether that remote information sends according to push button signalling, if having, start a remote information transmitting, and
Remote information is next time continued to determine whether；If no, into next step；
Step 2：Judge need show data items whether change, if changing, send display project pointer list to show
Show that unit 11 is shown, and return to step one, if unchanged, into next step；
Step 3：Judge whether to need refresh data, if need not, return to step one；If desired, then to wireless telecommunications isolation
Module 2 sends data readback request command, and enters next step；
Step 4：Judge whether the data for being properly received the return of wireless telecommunications isolation module 2, if it succeeds, data are preserved, and
Pass to display unit 11 to be shown, and return to step one；If unsuccessful, into next step；
Step 5, judge whether time-out, if overtime, put data read errors mark, and return to step 4, if not overtime,
Step one is returned to, data return is continued waiting for.
By above-mentioned communication means, the coal-winning machine both-way communication remote control is made when in use, remote pilot is maintained at
First place, data readback is maintained at second, because the time delay of control signal or loss may allow equipment to respond not in time, it is possible to
Security incident is produced, is to realize that data readback does not interfere with remote control, be on the one hand set to the transmitting of remote information in program
High priority, i.e., each time after other operations, can all return to step one, determine whether that remote information will send, and so may be used
To allow remote information to send very first time realization, have precedence over data readback and processed, on the other hand in the instruction of data readback
In can also carry complete remote information, realize refreshing remote information when data readback, improve wireless
The utilization rate of channel.The free timeslot that remote-transmitter can be effectively utilized completes the retaking of a year or grade of data, so as to realize remote data
The handheld terminal of information shows.
Specifically, the step one is further comprising the steps of：When arbitrary button is pinned always on the keyboard 14, but do not have
When having generation button to be not changed in, repeat its transmission is carried out by the cycle of 100mS, for processing as receiving end signal interrupt time-out
Heartbeat, until when the button is released, the once remote information without button is sent at once, when pressing without button with 1S
Heartbeat transmitting is carried out for the cycle；
The step 3 is further comprising the steps of：The wireless telecommunications isolation module 2 is received after data readback request command, with
Machine selected part data beam back the two-way remote control 1；In the step 3, judge whether to need refresh data to specifically refer to,
The Distance Judgment last time, whether return data was more than 1s.
Wherein, radio transmitter can be substantially reduced by the high speed communication function and the above-mentioned means of communication of nRF905
Power consumption, so as to realize using two section dry cells to use more than 3 months.Its principle is as follows：When a certain button is pressed on remote control
When, remote control can at once send once the remote information of the button, when the button is pinned always, but button does not occur do not become
During change, only repeat its transmission is carried out by the cycle of 100mS, for as the heartbeat of receiving end signal interrupt time-out process, when this
When button unclamps, then the once remote information without button is sent at once, heartbeat is carried out by the cycle of 1S when pressing without button
Transmitting, allows receiving terminal to know whether remote control is online, and it is about 100 multidigits to send one group of remote information by wireless channel, is pressed
The transfer rate of the 50kbps of nRF905, can complete within 3mS, and this time only accounts for 3% within the time of 100mS,
NRF905 is calculated with the electric current during power emission of 10dBm as 30mA, so and is carried out average emitted electric current for 0.9mA, using the principle
Realizing does not affect the ageing low-power consumption transmitting for realizing information of key response.
Wherein, the coal-winning machine data to be shown have 100 multinomial, are often shielded with the display screen of two-way remote control 1 and show simultaneously 4
Data, as a example by having 3 screen data to automatically switch, can back read data totally 12 every time, this 12 data to be shown can pass through
Button on remote control carries out unrestricted choice in this 100 multiple parameters, so there is the data item to be shown in total data
It is not continuous in table, if by a request command by the data being related to whole retaking of a year or grade, middle unconcerned data take
Channel influences whether the real-time of remote control；If only the data being related to are carried out into retaking of a year or grade, Handshake Protocol by multiple request command
Accounting can increase, reduce the utilization rate of channel.To solve this problem, retaking of a year or grade efficiency is improved, make use of pointer list
Principle, allows in host computer procedure and adds a corresponding cooperation, and one time request command is capable of achieving appointing among item data more than 100
The retaking of a year or grade of 12 data of meaning.
As shown in figure 4, the means of communication of the coal-winning machine described in the embodiment of the present invention with both-way communication remote control, described
Can also comprise the following steps before step one：
After the electrifying startup of first data processing unit 13, first initialized, the initialization is referred specifically to：From first data
Configuration information is read in the inside E2 of processing unit 13, then data variable, port level, timing is carried out to two-way remote control 1
The initialization of device, serial communication and display screen；
Turn subsequently into dissipating, display subroutine is called successively, communicate subprogram, Data inputing subprogram and the sub- journey of interface processing
Sequence；
After these programs are processed, judge current whether idle, if idle, i.e., not process event, then in arranging and enabling
Disconnected arousal function, for example, configures and enables real-time clock Interruption, configures and enable keyboard interrupt, allows first data
Processing unit 13 enters the low-power consumption mode of dormancy, and now, the power consumption of whole circuit is in below 100uA；If not idle, for example,
There are key information or timing to arrive, then interrupt waking up the first data processor, into the step one.
Wherein, the initialization to the first radio communication unit 13 is also included, the initialization is specifically included：Transmitting-receiving frequency is set
The built-in transmitting-receiving address code of rate, setting transmission power, configuration, opening hardware CRC check etc., then by the first radio communication unit
It is arranged to Standby patterns, allows it to enter power down mode, and can be launched at any time and be received operation.
Further, unique sequence number is provided with the wireless telecommunications isolation module 2, when the two-way remote control 1 is opened
After machine, first send to wireless telecommunications isolation module 2 and read serial number request, after the sequence number of reading is stored, as ground
Location is remotely controlled the transmission of information.By arrange it is above-mentioned to code function, in solving original remote control system, when workshop simultaneously
The awkward situation of remote control can not be used when more than two coal-winning machines are carried out with scheduling and planning.It is provided with wireless telecommunications isolation module 2
Unique sequence number, first sends to wireless telecommunications isolation module after remote control is started shooting and reads serial number request, then by reading
Sequence number the transmission of information is remotely controlled as address, the wireless telecommunications isolation module of so only pairing can produce sound
Should, and preserved this sequence number by the built-in E2 memories of the first data processing unit 12, it is not required to when starting shooting again
Pairing application is carried out again.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, either which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence disengaging various embodiments of the present invention technology of appropriate technical solution
The scope of scheme.
Claims (10)
1. a kind of coal-winning machine both-way communication remote control, it is characterised in that including two-way remote control（1）With wireless telecommunications isolation
Module（2）；
The two-way remote control（1）On be provided with display unit（11）, the first radio communication unit（12）, the first data processing list
Unit（13）And keyboard（14）, the display unit（11）With first radio communication unit（12）With first data processing
Unit（13）Connection；
The wireless telecommunications isolation module（2）Including the second radio communication unit（21）, the second data processing unit（22）, photoelectricity
Isolating device（23）And PORT COM（24）, second radio communication unit（21）With first radio communication unit（12）
Communication connection, second radio communication unit（21）With second data processing unit（22）Connection, second data
Processing unit（22）By photoelectric isolating device（23）And PORT COM（24）It is connected with upper machine communication；
The two-way remote control（1）For according to the keyboard（14）The information of input, provides telecommand and Refresh Data refers to
Order, and it is sent to the wireless telecommunications isolation module（2）, the wireless telecommunications isolation module（2）For being referred to according to the remote control
Order and data refreshing instruction, send telecommand and obtain data to host computer, and by data back to the two-way remote control
（1）, by the display unit（11）Show.
2. a kind of coal-winning machine both-way communication remote control according to claim 1, it is characterised in that second data
Processing unit（22）For Multi-serial port microprocessor, second radio communication unit（21）For low power consumption digital wireless telecommunications mould
Block, the PORT COM（24）For RS485 interface circuits and RS232 interface circuits.
3. a kind of coal-winning machine both-way communication remote control according to claim 1, it is characterised in that first data
Processing unit（13）Using the microprocessor of model C8015F920, first radio communication unit（12）Using model
The wireless communications chips of nRF905, the nRF905 wireless communications chips are by SPI interface and first data processing unit
（13）Connection.
4. a kind of coal-winning machine both-way communication remote control according to claim 1, it is characterised in that the display unit
（11）Including LCD video-stream processors and low-power consumption LCD display, the LCD video-stream processors are by asynchronous serial port and described the
One data processing unit（13）Connection.
5. a kind of coal-winning machine both-way communication remote control according to claim 1, it is characterised in that the bidirectional remote control
Device（1）On be additionally provided with LED light, rotary switch and dual-mode antenna, the two-way remote control（1）Inside it is additionally provided with power supply electricity
Pond and intrinsic safety electric source modulate circuit.
6. a kind of coal-winning machine as claimed in claim 1 means of communication of both-way communication remote control, it is characterised in that include
Following steps：
Step one：Determine whether that remote information sends according to button, if having, start a remote information transmitting, and continue
Determine whether remote information next time；If no, into next step；
Step 2：Judge need show data items whether change, if changing, send display project pointer list to show
Show unit（11）Shown, and returned to step one, if unchanged, into next step；
Step 3：Judge whether to need refresh data, if need not, return to step one；If desired, then to wireless telecommunications isolation
Module（2）Data readback request command is sent, and enters next step；
Step 4：Judge whether to be properly received wireless telecommunications isolation module（2）The data of return, if it succeeds, data are preserved,
And pass to display unit（11）Shown, and returned to step one；If unsuccessful, into next step；
Step 5, judge whether time-out, if overtime, put data read errors mark, and return to step（4）If, it is overtime,
Step one is then returned to, data return is continued waiting for.
7. the coal-winning machine according to claim 6 means of communication of both-way communication remote control, it is characterised in that
The step one is further comprising the steps of：When the keyboard（14）Go up arbitrary button to be pinned always, but press
When key is not changed in, repeat its transmission is carried out by the cycle of 100mS, for as the heart of receiving end signal interrupt time-out process
Jump, until when the button is released, the once remote information without button is sent at once；
The step 3 is further comprising the steps of：The wireless telecommunications isolation module（2）After receiving data readback request command,
Randomly select partial data and beam back the two-way remote control（1）；In the step 3, judge whether to need refresh data specifically
Refer to, the Distance Judgment last time, whether return data was more than 1s.
8. the coal-winning machine according to claim 6 means of communication of both-way communication remote control, it is characterised in that also include
Following steps：
From first data processing unit（13）Inside read configuration information, then to two-way remote control（1）Carry out data
The initialization of variable, port level, timer, serial communication and display screen；
Display subroutine is called, subprogram, Data inputing subprogram and interface processing subprogram is communicated；
Judge current whether idle, if idle, arrange and enable interruption arousal function, allow first data processing unit
（13）Into park mode；If it is not idle, or interrupt wake-up, into the step one.
9. the coal-winning machine according to claim 8 means of communication of both-way communication remote control, it is characterised in that described to set
Put and enabled terminals arousal function is specifically included：Real-time clock Interruption is configured and enabled, keyboard interrupt is configured and enable.
10. the coal-winning machine according to claim 8 means of communication of both-way communication remote control, it is characterised in that described
Wireless telecommunications isolation module（2）In be provided with unique sequence number, when the two-way remote control（1）After start, first to wireless telecommunications
Isolation module（2）Send and read serial number request, after the sequence number of reading is stored, as address information is remotely controlled
Send.
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| CN206409231U (en) * | 2016-12-31 | 2017-08-15 | 太重煤机有限公司 | A kind of coal-winning machine both-way communication remote control |
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| CN201581897U (en) * | 2009-07-01 | 2010-09-15 | 牛一村 | Remote control device with working condition display for coal winning machine |
| CN202381094U (en) * | 2011-12-09 | 2012-08-15 | 天地上海采掘装备科技有限公司 | Remote control system for bidirectional mine |
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| CN106640072B (en) | 2018-11-09 |
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