CN109281669A - A kind of spraying system and spray method using Radio Frequency Identification Technology - Google Patents
A kind of spraying system and spray method using Radio Frequency Identification Technology Download PDFInfo
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- CN109281669A CN109281669A CN201811208580.8A CN201811208580A CN109281669A CN 109281669 A CN109281669 A CN 109281669A CN 201811208580 A CN201811208580 A CN 201811208580A CN 109281669 A CN109281669 A CN 109281669A
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- 238000005507 spraying Methods 0.000 title claims abstract description 51
- 239000007921 spray Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000005516 engineering process Methods 0.000 title claims abstract description 20
- 239000003245 coal Substances 0.000 claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 10
- 238000010410 dusting Methods 0.000 claims description 5
- 238000007405 data analysis Methods 0.000 claims description 4
- 238000010835 comparative analysis Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000003595 mist Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000002817 coal dust Substances 0.000 description 6
- 238000005065 mining Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010742 number 1 fuel oil Substances 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
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
The present invention provides a kind of spraying systems and method using Radio Frequency Identification Technology, wherein the spraying system includes the radiofrequency launcher being arranged on the controller and coal machine being arranged on server and each hydraulic support；The controller and server are wirelessly connected；The controller receives the positioning signal of radiofrequency launcher, meanwhile, which transmits feedback signal to radiofrequency launcher；Each hydraulic support is additionally provided with electromagnetic valve driver and spray assembly, spray assembly includes dividing water supply pipe, and the spray valve for dividing several nozzles being arranged on water supply pipe and being arranged on each nozzle, the electromagnetic valve driver and its controller electrical connection for corresponding to hydraulic support.Spraying system of the present invention using Radio Frequency Identification Technology, by being used bracket controller as radio receiver, it efficiently solves infrared receiving device installation site and is difficult to the problems such as fixing, blocking vulnerable to dust, influence vulnerable to operating condition, while having saved cost.
Description
Technical field
The invention belongs to dust-settling technology field of mining, more particularly, to a kind of spraying system using Radio Frequency Identification Technology and
Spray method.
Background technique
Coal has important strategic position in China's economic development, is the energy main body in China, although China is coal
Big producer, but the fully-mechanized mining working automatic controlling level in China is not high.Dust in mechanical coal mining, when coal cutting
Amount accounts for 60% or so of entire working face dust-producing amount, and its Dust Concentration generated is even as high as 3000~5000mg/m3.It is highly concentrated
The coal dust of degree endangers the health of field worker, also brings serious accident potential to mine safety.It realizes automatic with machine
Spraying, the linkage control of hydraulic support and coalcutter is the key technology that must be solved, and its core technology is exactly coalcutter
It is accurately positioned.
Currently, with widest infrared positioning mode, common practice is pacified on coalcutter in actual coal production
1 to 3 infrared launcher is filled, several infrared receiving devices are installed on several hydraulic supports of working face, by connecing
It receives infrared signal and finally determines coal winning machine position.But it is closer that infrared ray is only capable of line-of-sight transmission, propagation distance, in transmission process,
It is easy to be obstructed by object or wall, and fully-mechanized mining working operating condition is complicated, infrared receiving device is difficult to ensure fixed installation site,
It is not easy to determine coordinate origin, be blocked vulnerable to coal dust, and with the variation of coal mining bottom plate curve and coal wall curve, hydraulic support
Spacing constantly changes, and it is larger to eventually lead to this infrared positioning method error.
Summary of the invention
In view of this, the present invention is directed to propose a kind of spraying system and spray method using Radio Frequency Identification Technology, with reality
Now to coal winning machine position precise positioning, realize with machine auto spraying function.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
One be arranged on a kind of spraying system using Radio Frequency Identification Technology, including server and each hydraulic support
The radiofrequency launcher being arranged on controller and coal machine；
The controller and server are wirelessly connected；
The controller receives the positioning signal of radiofrequency launcher, meanwhile, which transmits to radiofrequency launcher feeds back
Signal；
Each hydraulic support is additionally provided with electromagnetic valve driver and spray assembly, and spray assembly includes dividing water supply pipe,
And the spray valve for dividing several nozzles being arranged on water supply pipe and being arranged on each nozzle, the electromagnetic valve driver
The controller electrical connection of hydraulic support is corresponded to it, meanwhile, the solenoid valve valve actuator and spray valve electrical connection.
Further, the radiofrequency launcher is RFID transmitter.
Further, the radiofrequency launcher antenna is All-Round High Gain Antenna.
Further, the coal machine is additionally provided with RF transmitter, and the controller on hydraulic support receives infrared ray hair
Emitter emits signal.
Further, the radiofrequency launcher is power adjust automatically radiofrequency launcher.
Compared with the existing technology, a kind of spraying system using Radio Frequency Identification Technology of the present invention has following excellent
Gesture:
(1) by using bracket controller as radio receiver, infrared receiving device installation position is efficiently solved
The problems such as being difficult to fix, block vulnerable to dust, influencing vulnerable to operating condition is set, while having saved cost.
(2) by using positioning mode is closed on, determination coal winning machine position that can be relatively accurate improves the reliable of positioning
Property.
A kind of spray method of the application spraying system, comprising the following steps:
(1), radiofrequency launcher launches outward positioning signal by setting time interval；
(2), the positioning signal of hydraulic bracket controller real-time reception radiofrequency launcher transmitting, is being spaced at the same time
Interior, all controllers for receiving positioning signal count and respectively receive positioning signal number and intensity, and the statistical data is divided
Other real-time report is to server；
(3), server receives the real time data that each hydraulic bracket controller reports, and compares point to the real time data
Analysis finally determines that the period coal machine relative to hydraulic support position, and determines coal machine traffic direction, server coal seat in the plane is set and
Traffic direction information is handed down to the controller of hydraulic support；
(4), according to wind direction in coal mine roadway, in server or the selected starting side spraying with machine of hydraulic bracket controller
To, set on server or hydraulic bracket controller according to wind speed in tunnel with the spraying distance of machine, should be with machine distance and position at
The quantity and spray time for carrying out spraying operation hydraulic support, pass through respective control on several hydraulic supports at the distance and position
Device controls it and corresponds to spray assembly, implements atomizing de-dusting operation.
Further, further include step (2.5) between step (2) and (3): in same time interval, all receive is determined
The controller of position signal, after counting to respective received positioning signal number and intensity, Real-time Feedback is to radio-frequency transmissions
Device, radiofrequency launcher receives the feedback information, and adjusts its transmission power according to the feedback information, guarantee each emission time its
The positioning signal of transmitting is received by the controller on 1-3 hydraulic support simultaneously.
Further, the hydraulic bracket controller flow chart of data processing is；
Step 1: the controller is it is first determined whether receive the positioning signal of radio frequency reflectors；
Step 2: the controller in certain time interval received positioning signal number and intensity unite
Meter, and by the statistical data real-time report to server；Meanwhile the statistical information is fed back to radio-frequency transmissions by the controller
Device；
Step 3: the controller data clearing is handled, the first step in the controller data process flow is then returned.
Further, the radiofrequency launcher flow chart of data processing are as follows:
Step 1: radiofrequency launcher is spaced transmitting radio positioning signal according to set time；
Step 2: real-time reception controller is to received positioning signal number and intensity statistics in a certain time interval
Feedback signal；
Step 3: radiofrequency launcher unites to all amount controllers for receiving positioning signal in same time interval
Meter；
Step 4: radiofrequency launcher is based on the feedback signal and quantity statistics data make corresponding adjustment to its transmission power,
Guarantee that the positioning signal of next emission time radiofrequency launcher transmitting is received by 1-3 controller simultaneously.
Further, the server data process flow is；
The first step；The real-time report data for judging whether to receive hydraulic bracket controller, if not having in a long time
Reported data is received, shows that coalcutter is halted state；If receiving the reported data, server reports signal data to this
It is stored；
Step 2: server judges whether the reported data reaches the signal determining threshold value of its setting, if the reported data
Outside the decision threshold range, then the operation of its first step is returned；If the reported data value is within the scope of the decision threshold, server
To in same time interval received each controller reported data analysis compare, got over according to rf signal reception distance
Closely, received signal is stronger, the more principles of number find out that receive number is at most in the time interval and transmission power is strongest
Data, and determine the specific location of coal machine opposing hydraulic bracket；
Third step；Server judges whether the data meet coal seat in the plane and set mobile judge condition, if not meeting the judge
Condition, server return to the operation of server data process flow second step；
Step 4: server is set according to present period coal seat in the plane and upper period coal seat in the plane sets and judges that coal machine is off state
Or operating status, and judge its moving direction；
Step 5: server sets coal seat in the plane and moving direction signal is handed down to controller on hydraulic support.
Compared with the existing technology, of the present invention to be had the advantage that with machine spray method
(1) this spray method, which is utilized, closes on positioning mode principle, and radiofrequency signal receives ability in the case where being closer
Preferably, that is, radiofrequency launcher emits radio positioning signal, and closer to the controller of the radiofrequency launcher, signal is determined in reception
Precedence number is more and the signal strength is stronger, conversely, the remoter reception ability of distance is poorer, simultaneously as radiofrequency signal will not be by
To the influence of dust, barrier, therefore, is received, then lead to simultaneously by multiple controllers by the signal that mobile active label issues
Controller received signal intensity is crossed to determine the position of mobile tag, precisely may be used by the location information that the localization method determines
It leans on, and then is ready for subsequent spray depositing dust, improve dust-laying effect.
(2) in this spray method, setting has been actuated for spray direction, suitable spraying square is selected according to different wind directions
To dust-laying effect of the raising with machine spraying operation.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the spraying system schematic diagram of the present embodiment application Radio Frequency Identification Technology；
Fig. 2 is that the present embodiment applies each functions of the equipments of spraying system of the spraying system to illustrate schematic diagram；
Fig. 3 is interior hydraulic bracket controller flow chart of data processing figure in this system；
Fig. 4 is radiofrequency launcher flow chart of data processing figure in this system；
Fig. 5 is server data process flow diagram in this system；
Fig. 6 is sprayed logical schematic with machine for embodiment one；
Fig. 7 is sprayed logical schematic with machine for embodiment two；
Fig. 8 is sprayed logical schematic with machine for embodiment three；
Fig. 9 is sprayed logical schematic with machine for example IV.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, 2, a kind of spraying system using Radio Frequency Identification Technology, including in server and tunnel each
The radiofrequency launcher being arranged on the controller and coal machine being arranged on hydraulic support, the hydraulic bracket controller and radio frequency hair
It is wirelessly connected respectively between emitter, between controller and hydraulic support server；Wherein, radiofrequency launcher is mounted on coal machine, with
Coal machine moves together, and in the present embodiment, radiofrequency launcher is preferably 433MRFID transmitter, and the radiofrequency launcher is according to a timing
Between interval and intensity emit radio positioning signal, due to the radiofrequency launcher transmitting radio positioning signal not will receive in tunnel
Dust, barrier etc. influence, therefore its positioning signal is true and reliable；Controller on hydraulic support receives radiofrequency launcher transmitting
Positioning signal, controller to the signal arrange count, which is reported server by controller, while controller should
Statistical data feeds back to radiofrequency launcher, and server reports signal analysis comparison to this, and judgement produces coal machine relative to hydraulic support
Which platform hydraulic support position, such as coal machine are located at, while server is set according to coal seat in the plane in the two neighboring period, and judgement is produced coal
Machine traffic direction, server sets coal seat in the plane and traffic direction information is issued to the controller of all hydraulic bracket.Meet spraying
The hydraulic bracket controller of distance and position controls its spray assembly corresponded on hydraulic support and carries out atomizing de-dusting operation, due to every
One hydraulic support is provided with electromagnetic valve driver and spray assembly, and wherein spray assembly includes that water supply pipe and this point is divided to supply
The spray valve being arranged on several nozzles and each nozzle being arranged in water lines, wherein divide total in water supply pipe and tunnel
Water supply pipe connection, spray valve and electromagnetic valve driver electrical connection, it is straight simultaneously by several hydraulic supports with machine distance and position
Row spraying operation controls electromagnetic driver by hydraulic bracket controller, and then spray valve is driven to open, right within the set time
Coal machine carries out atomizing de-dusting operation.
In the present embodiment, in order to improve radiofrequency irradiation device transmitting positioning signal spreadability, the radiofrequency launcher antenna is
All-Round High Gain Antenna.
In the present embodiment, the coal machine is additionally provided with RF transmitter, and the controller on hydraulic support receives the infrared ray
Transmitter emits signal.When coal machine radiofrequency launcher is debugged, is communicated by infrared and hydraulic bracket controller, thus adjust radio frequency
The parameter settings such as transmitter radio transmitted power, transmission time interval.
In the present embodiment, the radiofrequency launcher is power adjust automatically radiofrequency launcher, and radiofrequency launcher is according to control
Device feedback signal automatically adjusts its transmission power, and guarantee emits each time, while being received by 1-3 hydraulic bracket controller
?.
A kind of spray method of the application spraying system, comprising the following steps:
(1), radiofrequency launcher launches outward positioning signal by setting time interval and power；
(2), the positioning signal of hydraulic bracket controller real-time reception radiofrequency launcher transmitting, in same time interval,
All controllers for receiving positioning signal count and respectively receive positioning signal number and intensity, and will unite in the time interval
The data difference real-time report of meter is to server；
(3), server receives the real-time reported data of each hydraulic bracket controller, compares point to the reported data
Analysis, and radio range oil pipe according to radio frequency transmissions receiving intensity and number, closer according to radio range, positioning signal connects
Stronger, the more principles of receive number are received, the reported data comparative analysis to each controller in same time interval judges this
The reception signal of which interior controller of time interval is most strong, receive number is most, that is, can determine that coal machine is apart from the controller at this time
Recently, i.e., coal machine corresponds to bracket distance with the controller recently to distance, i.e., with receiving, signal is most strong, the most principles of number are finally true
The fixed period coal machine is relative to hydraulic support position, for example, server receives reporting for three controllers in a time interval
Signal data, i.e. server receive three groups of reported datas, this three groups are reported signal data number and size to carry out by server
Compare, obtain number maximum, the strongest one group of data of intensity, such as third group data are most strong, number is maximum, it is closer according to distance
Signal is stronger and receives the inevitable also most principle of signal number, judges that the corresponding controller of this group of data is as closest
The controller of coal machine, and then position of the machine relative to hydraulic support that must produce coal, if the controller of third group model data is corresponding
50# hydraulic support, then the 50# backing positions are coal machine in the position where the time interval period.Meanwhile server according to
The period coal seat in the plane is set and upper period coal seat in the plane is set, and judgement is produced coal machine traffic direction, and server sets coal seat in the plane and operation side
The controller of all hydraulic bracket is handed down to information；
(4), the starting direction spraying with machine is set in server or bracket controller, according to wind direction in coal mine roadway, choosing
The fixed starting direction spraying with machine, set on server or hydraulic bracket controller according to wind speed in tunnel with machine be sprayed away from
From, should at machine distance and position carry out spraying operation hydraulic support quantity and spray time, by several at the distance and position
Respective controller controls it and corresponds to spray assembly on hydraulic support, implements atomizing de-dusting operation.Now with regard to four embodiment explanations
Logical relation is sprayed with machine:
Embodiment one and two, as shown in Figure 6, Figure 7, wind direction is as shown in Figure 6,7 with machine spray direction in tunnel, i.e.,
The wind direction is from hydraulic support minimum frame number to maximum frame direction, and no matter coal machine traffic direction is identical with wind direction (shown in Fig. 6), also
It is that coal machine traffic direction and wind direction are opposite (shown in Fig. 7), during coal machine is mined, influence of the wind to coal dust all can be by hydraulic support
Minimum frame number is to maximum frame direction, and under wind effect, coal dust can be drifted from current location to maximum frame direction, at this point, with
Machine starts direction by spraying and is chosen to be before coal seat in the plane sets, that is, spraying with machine in the lower air port of coal machine, big according to wind-force, wind speed
It is small, spraying distance is set, that is, how far carry out spraying operation apart from coal machine, concurrently sets the spraying distance and position and start to carry out
Spraying hydraulic support quantity and spray time.
Embodiment three and four, as shown in Figure 8,9, wind direction is as shown in Figure 8,9 with machine spray direction in tunnel, i.e., should
Wind direction is from hydraulic support maximum frame number to minimum frame direction, and no matter coal machine traffic direction is identical with wind direction (shown in Fig. 8), still
Coal machine traffic direction and wind direction are opposite (shown in Fig. 9), and during coal machine is mined, influence of the wind to coal dust all can be by hydraulic support most
To minimum frame direction, that is, under wind effect, coal dust can be drifted big frame number from current location to minimum frame direction, this
When, start direction by spraying with machine and be chosen to be coal seat in the plane and postpone, that is, is spraying with machine in the lower air port of coal machine, according to wind-force, wind
Fast size sets spraying distance, that is, how far carries out spraying operation apart from coal machine, concurrently sets the spraying distance and position and starts
Carry out spraying hydraulic support quantity and spray time.
It further include step (2.5): all to receive in same time interval between step (2) and (3) in the present embodiment
The controller of positioning signal, after counting to respective received positioning signal number and intensity, Real-time Feedback is sent out to radio frequency
Emitter, radiofrequency launcher receive the feedback information, and radiofrequency launcher adjusts its transmission power according to feedback information, for example, if
In same time interval, the positioning signal that 5 hydraulic bracket controllers receive simultaneously, then radiofrequency launcher reduces its transmitting function
Rate is not received by any positioning signal, then illustrates radio-frequency transmissions under coal machine working in the controller long period
Device power is too small, raising power, in the present embodiment, guarantees the positioning signal of its transmitting of each emission time simultaneously by 1-3
A controller receives.
In the present embodiment, the hydraulic bracket controller flow chart of data processing is；
Step 1: the controller is it is first determined whether receive the positioning signal of radio frequency reflectors；
Step 2: the controller in certain time interval received positioning signal number and intensity unite
Meter, and by the statistical data real-time report to server；Meanwhile the statistical information is fed back to radio-frequency transmissions by the controller
Device；Illustrate: the time interval is the time interval of radiofrequency launcher transmitting positioning signal；
Step 3: the controller data clearing is handled, the first step in the controller data process flow is then returned.
In the present embodiment, the radiofrequency launcher flow chart of data processing are as follows:
Step 1: radiofrequency launcher is spaced transmitting radio positioning signal according to set time；
Step 2: real-time reception controller is to positioning signal number received in its certain time interval and intensity statistics
Feedback signal；Illustrate: the time interval is the time interval of radiofrequency launcher transmitting positioning signal；
Step 3: radiofrequency launcher is counted to positioning signal amount controller is received in same time interval；
Step 4: radiofrequency launcher is based on the feedback signal and quantity statistics data make corresponding adjustment to its transmission power,
Guarantee that the positioning signal of next emission time radiofrequency launcher transmitting is received by 1-3 controller simultaneously.
In the present embodiment, the server data process flow is；
The first step；The reported data for judging whether to receive hydraulic bracket controller, if not receiving in a long time
To reported data, show that coalcutter is halted state；If receiving the reported data, server reports signal data to carry out this
Storage；
Step 2: server judges whether the reported data reaches the signal determining threshold value of its setting, server is right in advance
Received signal strength sets decision threshold range, for example, in this application, the decision threshold range be set as -100dBm~-
20dBm then returns to its first step flow operations when the reported data that server receives is outside the decision threshold range；When
Received signal strength within the scope of the decision threshold, analyze the signal, compared by server, i.e. server is to receiving
, all reported datas analysis in same time interval and in decision threshold compare, find out in the time interval and receive
Number at most and the strongest data of transmission power, providing hydraulic support corresponding to the most strong recording controller is the period coal
The specific location of machine opposing hydraulic bracket；Illustrate: the time interval is the time interval of radiofrequency launcher transmitting positioning signal；
Third step；Server in synchronization signal data received in current time interval and a upper time interval according to receiving
Synchronization signal data, judge that two period coal machines respectively correspond to the position of hydraulic support, and sentence according to the location information
Mobile judge condition is set in the disconnected coal seat in the plane that whether meets, in the present embodiment, the mobile judge condition of coal machine are as follows: between the two neighboring time
Every coal machine corresponding position interval be no more than three hydraulic supports apart from when, server judges coal machine driving direction, enters
FOUR EASY STEPS process；If distance has been more than three hydraulic support distances between the two neighboring time interval coal machine position,
Then server does not judge coal machine moving direction at this time, and server returns to second step operation；
Step 4: server is set according to present period coal seat in the plane and upper period coal seat in the plane sets and judges that coal machine is off state
Or operating status, and judge its moving direction；
Step 5: server sets coal seat in the plane and moving direction signal is handed down to controller on hydraulic support.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of spraying system using Radio Frequency Identification Technology, it is characterised in that: including on server and each hydraulic support
The radiofrequency launcher being arranged on the controller and coal machine being arranged；
The controller and server are wirelessly connected；
The controller receives the positioning signal of radiofrequency launcher, meanwhile, which transmits feedback signal to radiofrequency launcher；
Each hydraulic support is additionally provided with electromagnetic valve driver and spray assembly, and spray assembly includes dividing water supply pipe, and be somebody's turn to do
The spray valve being arranged on several nozzles and each nozzle being arranged on point water supply pipe, the electromagnetic valve driver and its
The controller electrical connection of corresponding hydraulic support, meanwhile, the solenoid valve valve actuator and spray valve electrical connection.
2. a kind of spraying system using Radio Frequency Identification Technology according to claim 1, it is characterised in that: the radio frequency hair
Emitter is RFID transmitter.
3. a kind of spraying system using Radio Frequency Identification Technology according to claim 1 or 2, it is characterised in that: described to penetrate
The reflector antenna that takes place frequently is All-Round High Gain Antenna.
4. a kind of spraying system using Radio Frequency Identification Technology according to claim 1, it is characterised in that: the coal machine is also
Equipped with RF transmitter, the controller on hydraulic support receives RF transmitter transmitting signal.
5. a kind of spraying system using Radio Frequency Identification Technology according to claim 1, it is characterised in that: the radio frequency hair
Emitter is power adjust automatically radiofrequency launcher.
6. a kind of spray method of the application spraying system, it is characterised in that: the following steps are included:
(1), radiofrequency launcher launches outward positioning signal by setting time interval；
(2), the positioning signal of hydraulic bracket controller real-time reception radiofrequency launcher transmitting, in interval at the same time, institute
There is the controller for receiving positioning signal, counts and respectively receive positioning signal number and intensity, and the statistical data is real respectively
When be reported to server；
(3), server receives the real time data that each hydraulic bracket controller reports, to the real time data comparative analysis, most
The determining period coal machine is relative to hydraulic support position eventually, and determines coal machine traffic direction, and coal seat in the plane is set and run by server
Directional information is handed down to the controller of hydraulic support；
(4), according to wind direction in coal mine roadway, in server or the selected starting direction spraying with machine of hydraulic bracket controller, root
It set according to wind speed in tunnel with the spraying distance of machine, be somebody's turn to do with being sprayed at machine distance and position on server or hydraulic bracket controller
The quantity and spray time of mist operation hydraulic support are controlled by controller respective on several hydraulic supports at the distance and position
It corresponds to spray assembly, implements atomizing de-dusting operation.
7. a kind of spray method of application spraying system according to claim 6, it is characterised in that: in step (2) and
(3) further include step (2.5) between: in same time interval, all controllers for receiving positioning signal, to respectively received
After positioning signal number and intensity are counted, for Real-time Feedback to radiofrequency launcher, radiofrequency launcher receives the feedback information,
And its transmission power is adjusted according to the feedback information, guarantee the positioning signal of its transmitting of each emission time simultaneously by 1-3 liquid
The controller on bracket is pressed to receive.
8. a kind of spray method of application spraying system according to claim 6, it is characterised in that: the hydraulic support
Controller data process flow is；
Step 1: the controller is it is first determined whether receive the positioning signal of radio frequency reflectors；
Step 2: the controller in certain time interval received positioning signal number and intensity count, and
By the statistical data real-time report to server；Meanwhile the statistical information is fed back to radiofrequency launcher by the controller；
Step 3: the controller data clearing is handled, the first step in the controller data process flow is then returned.
9. a kind of spray method of application spraying system according to claim 6, it is characterised in that: the radio-frequency transmissions
Device flow chart of data processing are as follows:
Step 1: radiofrequency launcher is spaced transmitting radio positioning signal according to set time；
Step 2: real-time reception controller is to the anti-of received positioning signal number in a certain time interval and intensity statistics
Feedback signal；
Step 3: radiofrequency launcher counts all amount controllers for receiving positioning signal in same time interval；
Step 4: radiofrequency launcher is based on the feedback signal and quantity statistics data make corresponding adjustment to its transmission power, guarantee
The positioning signal of next emission time radiofrequency launcher transmitting is received by 1-3 controller simultaneously.
10. a kind of spray method of application spraying system according to claim 6, it is characterised in that: the server
Flow chart of data processing is；
The first step；The real-time report data for judging whether to receive hydraulic bracket controller, if not receiving in a long time
To reported data, show that coalcutter is halted state；If receiving the reported data, server reports signal data to carry out this
Storage；
Step 2: server judges whether the reported data reaches the signal determining threshold value of its setting, if the reported data is at this
Outside decision threshold range, then the operation of its first step is returned；If the reported data value is within the scope of the decision threshold, server is to same
The reported data analysis of the received each controller of institute is compared in one time interval, according to rf signal reception apart from closer, is connect
The signal of receipts is stronger, the more principles of number find out in the time interval receive number at most and the strongest data of transmission power,
Thereby determine that the specific location of coal machine opposing hydraulic bracket；
Third step；Server judges whether the data meet coal seat in the plane and set mobile judge condition, if not meeting the judge condition,
Server returns to the operation of server data process flow second step；
Step 4: server is set according to present period coal seat in the plane and upper period coal seat in the plane sets and judges that coal machine is off state still
Operating status, and judge its moving direction；
Step 5: server sets coal seat in the plane and moving direction signal is handed down to controller on hydraulic support.
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| CN201811208580.8A CN109281669A (en) | 2018-10-17 | 2018-10-17 | A kind of spraying system and spray method using Radio Frequency Identification Technology |
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