CN103472799A - Intelligent roller shutter system based on image processing technique - Google Patents
Intelligent roller shutter system based on image processing technique Download PDFInfo
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- CN103472799A CN103472799A CN2013104162994A CN201310416299A CN103472799A CN 103472799 A CN103472799 A CN 103472799A CN 2013104162994 A CN2013104162994 A CN 2013104162994A CN 201310416299 A CN201310416299 A CN 201310416299A CN 103472799 A CN103472799 A CN 103472799A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an intelligent roller shutter system based on the image processing technique. The intelligent roller shutter system comprises a master control module, a meteorological station, a camera, a GPRS module, an oscillating bar and a roller shutter motor. According to the intelligent roller shutter system, an intelligent weather recognition system based on weather images is established with the master control module serving as a data processing and controlling platform, rain, snow and other severe weather conditions can be effectively judged by collecting the temperature, the humidity, the illumination, the wind speed and direction and other weather information in the meteorological station outside a greenhouse and combining the weather images so that the rolling-up and the pavement of a heat preservation quilt can be controlled in time. By means of the positioning technology of the heat preservation quilt, an operator can accurately control the heat preservation quilt to be located at any position between the initial position and the ending position of the heat preservation quilt when carrying out long-distance operation or operating in a control chamber. Meanwhile, the fault can be intelligently diagnosed, the working state of a roller shutter motor can be monitored in real time, and when the roller shutter motor breaks down, the master control module automatically cuts off a power source of a roller shutter, and therefore the whole system can be safe and reliable.
Description
Technical field
The present invention relates to a kind of intelligent curtain rolling machine system, be specifically related to a kind of intelligent curtain rolling machine system based on image processing techniques, belong to the electron controls technology field.
Background technology
At present, warmhouse booth is widely used in the plantations such as multiple agricultural product, victual and flowers, ornamental plant, and the appearance of shutter has greatly promoted the mechanization degree of warmhouse booth operation.Roll insulation quilt by shutter when generally daytime is fine, during regulating illumination, the chien shih temperature of shed raises, and makes the irradiation of the plant absorption sunshine in booth simultaneously; Evening, temperature was lower or run into sleet etc. not during fair weather, laid insulation quilt by shutter booth is incubated; Thereby reach energy-saving heat preserving, the purpose of increasing economic efficiency.
In order further to improve the economic benefit of warmhouse booth, regulate canopy temperature, humidity, carbon dioxide, light application time, the holard parameter of grading according to the growth model of booth implants intelligence, suitably regulate the crop Time To Market, making its maximizing the benefits, is the up-to-date direction of current greenhouse gardening development.And wherein capable of regulating illumination intensity and time be the most important link of plant growth, this just requires shutter must possess the function of accurate control insulation quilt position, only in this way just can reach the purpose combined with growth model.
At present common common shutter adopts following two kinds of modes to be operated usually: the one, manually connect rolling screen electromechanical source, and control rolling or laying of insulation quilt.The 2nd, for simple to operation, adopt telepilot to be controlled shutter, but general remote control distance only have tens meters.The common feature of two kinds of modes is that operating personnel must control to insulation quilt by visual observations the position of requirement at the warmhouse booth scene, then disconnects rolling screen electromechanical source; Therefore need staff every day to the booth scene, particularly running into and prominently being rained, snow etc. during inclement weather, more need operating personnel to hurry to the scene and put down insulation quilt, can say that greenhouse roller be unable to do without the people.When needs are operated a plurality of booths, expend time in very long.The aforesaid operations mode had both increased hand labor intensity, had strengthened again cost of labor.
Although the intelligent curtain rolling machine of current minority advanced technology adopts programmable logic controller (PLC) (PLC) or the controller such as embedded, by to environmental parameter collections such as the outer temperature of warmhouse booth, humidity and intensities of illumination, control rolling or laying of insulation quilt, realized to a certain extent Based Intelligent Control.But also have following defect: (1) only take the environmental parameters such as the outer temperature of warmhouse booth, humidity and intensity of illumination is foundation, can only realize the differentiation of simple weather conditions; (2) control strategy of intelligent controller only combines with the environmental parameter inside and outside booth, can not realize in conjunction with planting the function of the growth model of plant in canopy; (3) only have when staff's execute-in-place, just insulation quilt can be controlled to and needs position, carry out operated from a distance or, when controlling in-house operation, can only realize insulation quilt is rolled fully or lay fully by intelligent curtain rolling machine, insulation quilt can not be controlled to the optional position of appointment; (4), when carrying out operated from a distance or when controlling in-house operation, to the fault of shutter, can not judge timely and effectively and protect.
Summary of the invention
In view of this, the invention provides a kind of intelligent curtain rolling machine system based on image processing techniques, this system can be identified the weather conditions outside warmhouse booth quickly and accurately in conjunction with weather image and meteorologic parameter; Can accurately locate the position of insulation quilt, also possess the intelligent trouble diagnosis function simultaneously.
This intelligent curtain rolling machine system comprises: main control module, weather station, GPRS module, fork and shutter motor; Peripherals is warmhouse booth; Described main control module is positioned at pulpit; Weather station is arranged on the top of warmhouse booth, and the weather information that described weather station Real-time Collection warmhouse booth is outer, then send to main control module by gathered weather information; Described weather information comprises environment temperature, humidity, illumination, wind speed and direction; Described fork is scalable, and its bottom is hinged with hard-wired bearing, and fork can swing around this pin joint; Described shutter motor is arranged on the top of fork, and the output shaft of shutter motor is connected with the spool that is laid on the outer insulation quilt of warmhouse booth, drives rolling or laying of insulation quilt; Described GPRS module sends to operating personnel for weather information and the insulation quilt positional information that warmhouse booth is outer with the multimedia message form, and accepts operating personnel's steering order, and shutter is carried out to remote monitoring.
Comprise in addition camera; Described camera is arranged on the top, pulpit by fixing The Cloud Terrace, and fixedly The Cloud Terrace angle to camera under the control of main control module is adjusted; Main control module is connected with camera by video frequency collection card, obtains image or the video information of camera collection.
Described camera has three kinds of mode of operations, and in mode of operation once, camera is aimed at whole warmhouse booth, monitoring booth safety; Mode of operation two times, camera is aimed at sky, gathers sky image; Mode of operation three times, camera is aimed at the side that insulation quilt is equipped with the shutter motor, gathers the side image of warmhouse booth.
Prestore sleety weather image knowledge base in described main control module, described sleety weather image knowledge base refers to by extracting the characteristics of image of common sleety weather, and according to the characteristics of image extracted to the classified image knowledge base of rear formation of sleety weather; In described main control module, prestore environment temperature that each classification results is corresponding and the scope of humidity simultaneously.
When main control module there will be sleety weather according to the preliminary judgement of environment temperature, humidity and the illumination of weather station transmission; Start intelligent weather judgment model: the master control module controls camera enters mode of operation two; Camera gathers sky image with setpoint frequency, and the sky image collected is sent to main control module; Main control module extracts the characteristics of image of the sky image received, and the characteristics of image of different classes of sleety weather in the characteristics of image of extraction and sleety weather image knowledge base is compared.
If this characteristics of image is with wherein a class characteristics of image is identical, main control module is definite there will be such other sleety weather, and judged result is sent to operating personnel by the GPRS module; If this characteristics of image is all different from the characteristics of image of all categories in sleety weather image knowledge base, main control module obtains sky image again, until received environment temperature, humidity not corresponding environment temperature and the scope of humidity in all classification.
Prestore the length of four edges in the side profile that warmhouse booth is equipped with shutter motor one side in described main control module; Before the master control module controls insulation quilt is rolled or laid, operating personnel are pre-stored in the position of the insulation quilt of setting in main control module; Main control module is first controlled camera and is entered mode of operation three, then starts shutter, drives insulation quilt and lays or furl; In this process, the side image of camera Real-time Collection warmhouse booth, and the image collected is carried out to the edge extracting processing, the side profile of the warmhouse booth then processing obtained sends to main control module; Described main control module is determined the current location of insulation quilt according to this image; When the current location of insulation quilt is consistent with predeterminated position, close the shutter motor; If obtain the position of insulation quilt from image does not change in setting-up time, main control module enters fault diagnosis model: at first main control module judges under fault diagnosis model whether current location is the position of systemic presupposition, if so, main control module is closed the shutter motor; If not, think that fault has occurred the shutter motor, main control module initiatively disconnects the power supply of shutter motor, and by the GPRS module to operating personnel's warning of sending short messages.
Be equipped with at described insulation quilt on the edge of shutter motor one side and smear black pigment.
Prestore camera fixing angle of the required rotation of The Cloud Terrace under three kinds of mode of operations in described main control module.
Also comprise angular transducer, described angular transducer is arranged on the bottom of fork, with fork, moves.Be preset with the reading of fork angular transducer when initial position and final position in described main control module, before the master control module controls insulation quilt is rolled or is laid, the reading of the insulation quilt angular transducer when desired location that prestores in main control module; Insulation quilt roll or process of deployment in, the angle information on described angular transducer Real-time Collection fork and ground, and the angle information collected is sent to main control module, main control module is compared the insulation quilt of the angle information that receives and its internal preset reading of angular transducer when the desired location, when both are consistent, main control module is closed the shutter motor.After described main control module receives the angle information that angular transducer sends, the current angle information of receiving and front once received angle information are compared at every turn, judge whether adjacent twice angle information changes; If twice angle information changes to some extent, think that the shutter motor is working properly; If described angle information does not change in setting-up time, enter fault diagnosis model.
By detent mechanism, described angular transducer is arranged on fork; Described detent mechanism comprises: connecting rod A, connecting rod B, central shaft, shaft coupling and two bearings; The end of described connecting rod A is connected with fork is vertical, and the other end is processed with axial slide; The top of described connecting rod B is positioned at this chute, and can in this chute, move axially; The affixed central shaft in the bottom of described connecting rod B; Described central shaft is coaxial with the jointed shaft of fork, and angular transducer is fixed in the end of central shaft near fork one end by shaft coupling.
Also comprise displacement sensor for pull rope; The position that described displacement sensor for pull rope is fixed on insulation quilt when laying fully or packing up fully; Stay cord end and the shutter motor of displacement sensor for pull rope are affixed.In the process that described master control module controls insulation quilt is rolled or laid, the shutter motor moves together with insulation quilt, and the stretching that drives displacement sensor for pull rope is moved; Displacement sensor for pull rope sends the displacement signal of stay cord in real time to main control module, main control module is according to the position of this displacement signal judgement insulation quilt.After described main control module receives the displacement signal that displacement sensor for pull rope sends, the current displacement signal of receiving and front once received displacement signal are compared at every turn, judge whether adjacent twice displacement signal changes; If twice displacement signal changes to some extent, think that the shutter motor is working properly; If described displacement signal does not change in setting-up time, enter fault diagnosis model.
On described warmhouse booth, insulation quilt is laid fully and the position of packing up fully respectively arranges a limit switch, after described insulation quilt touches limit switch, to main control module, sends the insulation quilt signal that puts in place, main control module receives insulation quilt and puts in place after signal, closes the shutter motor.
Beneficial effect:
(1) set up the intelligent weather recognition system based on weather image, by gathering the weather informations such as temperature, humidity, illumination, wind speed and direction in the outer weather station of booth, in conjunction with weather image, can effectively judge the inclement weathers such as sleet, thereby control in time rolling and laying of insulation quilt, realize that the intelligent decision of weather reaches the Based Intelligent Control to shutter.
(2) main control module in this system processes and controls platform as data, adopts the visualized operation mode, simple to operate; Show in real time the realtime graphic of all detection data and insulation quilt position on the screen of main control module.All operations all completes in pulpit, effectively reduces hand labor intensity.
(3) by the insulation quilt location technology, realize that operating personnel are carrying out operated from a distance or when controlling in-house operation, all insulation quilt accurately can be controlled to its initial position to the optional position between final position, make the user control the laying of insulation quilt and to furl in conjunction with plantation crop growth model parameter in canopy, do not need operating personnel to arrive field control.
(4) can realize intelligent fault diagnosis, the working condition of shutter is monitored in real time, realize the intelligent protection to shutter.While breaking down, main control module cuts off the power supply of shutter automatically, makes whole system safe and reliable.
(5) possesses remote monitoring function.The mode that operating personnel can send short messages by mobile phone is controlled greenhouse roller.Short message content sends according to predefined form.Main control module is controlled shutter according to the requirement in note after receiving the note of prescribed form requirement.Simultaneously main control module can be according to operating personnel's needs, regularly the location drawing picture of the outer weather information of booth and shutter insulation quilt etc. are sent to corresponding mobile phone by the GPRS module, for operating personnel's reference.
The accompanying drawing explanation
The electrical connection diagram that Fig. 1 is described intelligent curtain rolling machine system;
The one-piece construction schematic diagram that Fig. 2 is intelligent curtain rolling machine described in the present embodiment;
Fig. 3 is intelligent weather identification process schematic diagram;
The scheme of installation that Fig. 4 is angular transducer;
The calculating schematic diagram of Fig. 5 for adopting image processing techniques to position insulation quilt;
Fig. 6 is the fault diagnosis flow scheme schematic diagram.
Wherein: 1-warmhouse booth, 2-insulation quilt, 3-weather station, 4-shutter motor, 5-fork, 6-camera, 7-angular transducer, 8-connecting rod A, 9-connecting rod B, 10-central shaft
Embodiment
The present embodiment provides a kind of intelligent curtain rolling machine system based on image processing and sensor technology, can implement accurately location and intelligent protection to shutter by this system, and possess the function of remote monitoring and intelligent trouble diagnosis, uses manpower and material resources sparingly.Below, according to the difference of the accurate targeting scheme of insulation quilt, provide three embodiment of this system.
Embodiment 1:
The electric part of this system comprises main control module, weather station, camera, GPRS module, expansion control panel, limit switch and shutter motor; Peripherals is warmhouse booth.Main control module described in the present embodiment adopts the PC104 computing machine, and main control module is data processing platform (DPP) and controls platform, the PC104 computing machine employing touch-screen visualized operation mode in the present embodiment.Weather station and camera all access main control module, to main control module, send in real time the information collected; The GPRS module is by serial line interface be connected with main control module (or directly being integrated in main control module), main control module can send to operating personnel with multimedia message form (word and image) by weather information and insulation quilt positional information outside warmhouse booth by the GPRS module, so that operating personnel understand field condition in real time, realize the remote monitoring to the shutter motor.Main control module is connected with the shutter motor by the expansion control panel, controls the startup of shutter motor and closes; Limit switch is connected with main control module by the expansion control panel, for to main control module, sending the signal that puts in place.
In this system, as shown in Figure 2, wherein main control module is positioned at Nei， pulpit, pulpit and is arranged near warmhouse booth 1 in the concrete installation of each parts.Weather station 3 is arranged on the top of warmhouse booth 1, guarantees that weather station 3 is unobstructed, installs firmly.Main control module is connected with weather station 3 by the RS485 interface; The weather informations such as the environment temperature outside weather station 3 Real-time Collection warmhouse booths, humidity, wind speed and direction; Then by the RS485 serial communication mode, gathered weather information is sent to main control module.
Camera 6 is arranged on the top, pulpit by fixing The Cloud Terrace, and described fixedly The Cloud Terrace is controlled by main control module, can realize the adjustment of camera 6 angles, makes camera 6 aim at respective objects and gathers image or videos.Main control module is connected with camera 6 by video frequency collection card, obtains image or video information that camera 6 collects.Camera described in the present embodiment 6 has following functions: (1) monitoring booth safety, now camera 6 monitors whole warmhouse booth, the image of collection or video are sent to main control module in real time, observe for the operating personnel in pulpit, prevent that unauthorized person from entering or theft etc.(2) gather sky image and be sent to main control module, for the intelligent decision of sleety weather.(3) take the side image of warmhouse booth, for determining the insulation quilt position.For guaranteeing the accurately reliable of 6 Information Monitorings of camera, the setting height(from bottom) of described camera 6 is suitable, unobstructed; And calibrate while realizing above-mentioned three kinds of functions fixedly the best angle of The Cloud Terrace and control parameter, and by demarcated best angle with control parameter and be saved to main control module, controlling fast and accurately realizing.
Described shutter motor 4 is by fork 5 fixed installations, and be specially: fork 5 is scalable, and it is positioned at the side of warmhouse booth 1, and the bottom of fork 5 is hinged with the bearing fixed on the ground, and fork 5 can be swung along the fore-and-aft direction of warmhouse booth 1.Shutter motor 4 is fixed in the top of fork 5 by bracing frame, the output shaft of shutter motor 4 is connected with the spool that is laid on the outer insulation quilt 2 of warmhouse booth 1, for driving rolling or laying of insulation quilt 2.
On warmhouse booth 1, the position that insulation quilt 2 is laid fully (the A place in Fig. 2) and the position (the B place in Fig. 2) of packing up fully respectively are provided with a limit switch.Touch limit switch when insulation quilt 2 is rolled or laid after, limit switch sends to main control module the signal that puts in place, and main control module is closed shutter motor 4 after receiving the signal that puts in place.
The principle of work of this intelligent curtain rolling machine system is:
Under normal circumstances, camera 6 monitors whole warmhouse booth 1, monitoring booth safety, and the video of collection and image information are real-time transmitted to main control module.The weather informations such as the environment temperature outside weather station 6 Real-time Collection warmhouse booths 1, humidity, illumination, wind speed and direction, and the weather information collected is sent to main control module.The weather information that operating personnel in pulpit receive according to main control module, the position and the duration that in conjunction with the growth model of booth implants (refer to plant under the present stage growth conditions required light irradiation time etc.) decision-making insulation quilt 2, stop, after operating personnel make a policy, the duration of the Ji Gai position, position of the insulation quilt of setting is pre-stored in main control module.Then master control module controls fixedly The Cloud Terrace camera 6 is aimed to the side that insulation quilts are equipped with shutter motor 4, and start the shutter motor, drive insulation quilt 2 and lay or furl.
In insulation quilt 2 layings or coiling process, the side image of camera 6 Real-time Collection warmhouse booths, and the image collected is sent to main control module.Main control module carries out obtaining the side profile ABCD of warmhouse booth and the position E of insulation quilt after the edge extracting processing to the image received, as shown in Figure 5.The length parameter of AB, BC, CD, DA is measured in advance and is pre-stored in main control module, and main control module is cut apart the position of subpoint E ' on line segment CD that draws insulation quilt position E by image; And then obtain the length of line segment DE, can obtain the position of E point on camber line AB, i.e. insulation quilt exact position now.When the current location of master control module judges insulation quilt is consistent with predeterminated position, close the shutter motor.In order to improve the image processing accuracy, at the edge of insulation quilt, smear black pigment.
When insulation quilt rolling or process of deployment in, due to load overweight (common situation be do not remove in time after snowing winter accumulated snow on insulation quilt or summer insulation quilt soaked and make that it is overweight by rainwater) or the reason such as mechanical fault, the insulation quilt stagnation, and shutter motor stall always can cause shutter overheated and burn out.While adopting this scheme, because camera can be taken in real time to the course of action of insulation quilt, the operating personnel of pulpit can judge and process fault in time.
Prestore sleety weather image knowledge base in described main control module, described sleety weather image knowledge base refers to train and the rear image knowledge base formed of classification by extracting common sleety weather characteristics of image.In the present embodiment, common sleety weather is divided into to light rain, moderate rain, heavy rain and snow four classes, prestores the characteristics of image of above-mentioned every class weather in main control module, in described main control module, prestore simultaneously each classify corresponding environment temperature and humidity scope,
When main control module there will be sleety weather according to the preliminary judgement of environment temperature, humidity and the illumination of weather station transmission, in environment temperature as corresponding at sleety weather as environment temperature, the humidity of weather station transmission and the scope of humidity, start intelligent weather judgment model:
(11) main control module passes through the fixedly angle of The Cloud Terrace adjustment camera, makes it aim at the outer sky of canopy;
(12) camera gathers sky image with setpoint frequency, and the sky image collected is sent to main control module;
(13) main control module extracts the characteristics of image of the sky image received, and the characteristics of image of different classes of sleety weather in the characteristics of image of extraction and sleety weather image knowledge base is compared:
If the characteristics of image of the class sleety weather that this characteristics of image prestores with main control module inside is identical, for example this characteristics of image is identical with the characteristics of image of " moderate rain " that prestore in main control module, main control module is confirmed to there will be " moderate rain " weather, then enters step (14); If this characteristics of image is all different from the characteristics of image of all categories sleety weather, judgement not there will be sleety weather, be back to step (12), until the environment temperature that the weather station that main control module receives sends, humidity not corresponding environment temperature and the scope of humidity in all classification.
(14) main control module sends to operating personnel by the GPRS module by judged result.
Embodiment 2:
For making failure diagnostic process intelligence, guarantee that operating personnel are not when pulpit, system still can complete fault diagnosis; And guarantee in the process that insulation quilt is operated, camera can continue to monitor booth safety or gather sky image.The present embodiment has increased angular transducer 7 in the described system of embodiment 1, by 7 pairs of insulation quilts of angular transducer, accurately locates and shutter carries out intelligent trouble diagnosis.Angular transducer is by RS485 serial mode and main control module communication, and electrical connection as shown in Figure 1.
Described angle sensor 7 is arranged on the bottom of fork, accurate for guaranteeing angular transducer 7 measurement results, and the impact that not swung by fork 5, adopt the mounting means shown in Fig. 4 to angular transducer in the present embodiment.The mounting structure of angular transducer 7 comprises connecting rod A8, connecting rod B9, central shaft 10, shaft coupling and two bearings.The end of connecting rod A8 be connected, the other end is processed with axial slide; The top of connecting rod B9 is positioned at this chute, and can in this chute, move vertically; The affixed central shaft 10 in the bottom of connecting rod B9.Described central shaft 10 is coaxial with the jointed shaft of fork, and angular transducer 7 is fixed in the end of central shaft 10 near fork 5 one ends by shaft coupling.The position that is positioned at the connecting rod B9 left and right sides at described central shaft 10 is separately installed with bearing.After angular transducer 7 installations, calibrate the reading of fork 5 angular transducer 7 when initial position, final position, prestore to main control module; The position of fork 5 when wherein initial position refers to that insulation quilt 2 is laid fully, the position of fork 5 when final position refers to that insulation quilt 2 is rolled fully.In Fig. 2, OA means the initial position of fork 5, and OB means the final position of fork 5.
The angle information on angular transducer 7 Real-time Collection forks and ground, and the angle information collected is sent to main control module, realize the accurate location of insulation quilt and the intelligent protection of shutter by main control module.7 pairs of insulation quilts of angular transducer 2 carry out pinpoint principle and are: the reading that is preset with fork 5 angular transducer 7 when initial position and final position in main control module.Insulation quilt 2 is in the Cheng Qian of crossing of laying or furling, and operating personnel are during by insulation quilt, the reading of angular transducer is pre-stored in main control module when the desired location.Insulation quilt roll or process of deployment in, the angle information on angular transducer 7 Real-time Collection forks 5 and ground, and the angle information collected is sent to main control module, main control module is compared the angle information that receives and its internal preset insulation quilt reading of angular transducer when the desired location, when both are consistent, main control module is closed the shutter motor, thereby accurately controls the position of insulation quilt.
The flow process of by angular transducer 7, carrying out intelligent trouble diagnosis as shown in Figure 6.Insulation quilt is in the process of rolling or laying, the angle information on the real-time measuring oscillating bar of angular transducer and ground, and measured angle information is sent to main control module, the angle information that main control module is received by this and last time, received angle information compared, and judged whether twice adjacent angle information changes.If twice angle information changes to some extent, show that insulation quilt is just in rolled-up or laying, shutter is working properly; If described angle information never changes in setting-up time (in the present embodiment, setting-up time is 3min), the position that shows insulation quilt within this period does not change, at first main control module judges whether current location is the position of systemic presupposition, if, show that the insulation quilt laying puts in place, main control module is closed the shutter motor; If not, think that fault has occurred the shutter motor, main control module initiatively disconnects the power supply of shutter motor, and by the GPRS module to operating personnel's warning of sending short messages, thereby effectively avoid the shutter motor because long-time stall burns out.
Embodiment 3:
By displacement sensor for pull rope, insulation quilt is accurately located and shutter carries out intelligent trouble diagnosis.Increase displacement sensor for pull rope in the described system of embodiment 1.Described displacement sensor for pull rope is fixed on the A point position in Fig. 2, and the stay cord end of displacement sensor for pull rope is fixed on the shutter motor, and information output is by RS485 serial mode and main control module communication.
Displacement sensor for pull rope carries out pinpoint principle to insulation quilt: operating personnel, after making the decision-making of rolling or laying insulation quilt, are preset in the position of the required laying of insulation quilt in main control module.The process of at insulation quilt, rolling or laying, shutter moves together with insulation quilt, and the stretching that drives displacement sensor for pull rope is moved; Displacement sensor for pull rope sends the signal of air line distance between insulation quilt and A point in real time to main control module, by this measuring-signal, main control module just can obtain the exact position of insulation quilt; After insulation quilt arrives predeterminated position, main control module is closed shutter.
The process of carrying out intelligent trouble diagnosis by displacement sensor for pull rope is: shutter is in the process of rolling or laying insulation quilt, displacement sensor for pull rope is measured air line distance between insulation quilt and A point in real time, and measured displacement signal is sent to main control module, the displacement signal that main control module is received by this and last time, received displacement signal compared, and judged whether twice adjacent displacement signal changes.If twice displacement signal changes to some extent, show that insulation quilt is just in rolled-up or laying, shutter is working properly; If described displacement signal never changes in setting-up time (in the present embodiment, setting-up time is 3min), the position that shows insulation quilt within this period does not change, at first main control module judges whether current location is the position of systemic presupposition, if, show that the insulation quilt laying puts in place, main control module is closed the shutter motor; If not, think that fault has occurred the shutter motor, main control module initiatively disconnects the power supply of shutter motor, and by the GPRS module to operator on duty's warning of sending short messages, thereby effectively avoid shutter because long-time stall burns out.
In above-described embodiment 2 and embodiment 3, when described angular transducer 7(or displacement sensor for pull rope) while adopting serial communication mode output, can directly with main control module, be connected.When described angular transducer 7(or displacement sensor for pull rope) during with resistance, current forms output signal, need to the signal of its output, be sampled by the sample circuit on the expansion control panel.Now, described angular transducer 7(or displacement sensor for pull rope) by the expansion control panel, with main control module, be connected.Angular transducer 7(or displacement sensor for pull rope) installation site far away apart from pulpit, under resistance mode, in order to guarantee acquisition precision, adopt the scheme of Precision Current Component, be that current source passes through to be connected with angular transducer (or displacement sensor for pull rope) after precision standard resistance, adopt this kind of scheme can guarantee angular transducer 7(or displacement sensor for pull rope) measuring accuracy.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. the intelligent curtain rolling machine system based on image processing techniques, comprising: main control module, weather station, GPRS module, fork and shutter motor; Peripherals is warmhouse booth; Described main control module is positioned at pulpit; Weather station is arranged on the top of warmhouse booth, and the weather information that described weather station Real-time Collection warmhouse booth is outer, then send to main control module by gathered weather information; Described weather information comprises environment temperature, humidity, illumination, wind speed and direction; Described fork is scalable, and its bottom is hinged with hard-wired bearing, and fork can swing around this pin joint; Described shutter motor is arranged on the top of fork, and the output shaft of shutter motor is connected with the spool that is laid on the outer insulation quilt of warmhouse booth, drives rolling or laying of insulation quilt; Described GPRS module sends to operating personnel for weather information and the insulation quilt positional information that warmhouse booth is outer with the multimedia message form, and accepts operating personnel's steering order, and shutter is carried out to remote monitoring;
It is characterized in that, also comprise camera; Described camera is arranged on the top, pulpit by fixing The Cloud Terrace, and fixedly The Cloud Terrace angle to camera under the control of main control module is adjusted; Main control module is connected with camera by video frequency collection card, obtains image or the video information of camera collection;
Described camera has three kinds of mode of operations, and in mode of operation once, camera is aimed at whole warmhouse booth, monitoring booth safety; Mode of operation two times, camera is aimed at sky, gathers sky image; Mode of operation three times, camera is aimed at the side that insulation quilt is equipped with the shutter motor, gathers the side image of warmhouse booth;
Prestore sleety weather image knowledge base in described main control module, described sleety weather image knowledge base refers to by extracting the characteristics of image of common sleety weather, and according to the characteristics of image extracted to the classified image knowledge base of rear formation of sleety weather; In described main control module, prestore environment temperature that each classification results is corresponding and the scope of humidity simultaneously;
When main control module there will be sleety weather according to the preliminary judgement of environment temperature, humidity and the illumination of weather station transmission; Start intelligent weather judgment model: the master control module controls camera enters mode of operation two; Camera gathers sky image with setpoint frequency, and the sky image collected is sent to main control module; Main control module extracts the characteristics of image of the sky image received, and the characteristics of image of different classes of sleety weather in the characteristics of image of extraction and sleety weather image knowledge base is compared;
If this characteristics of image is with wherein a class characteristics of image is identical, main control module is definite there will be such other sleety weather, and judged result is sent to operating personnel by the GPRS module; If this characteristics of image is all different from the characteristics of image of all categories in sleety weather image knowledge base, main control module obtains sky image again, until received environment temperature, humidity not corresponding environment temperature and the scope of humidity in all classification;
Prestore the length of four edges in the side profile that warmhouse booth is equipped with shutter motor one side in described main control module; Before the master control module controls insulation quilt is rolled or laid, operating personnel are pre-stored in the position of the insulation quilt of setting in main control module; Main control module is first controlled camera and is entered mode of operation three, then starts shutter, drives insulation quilt and lays or furl; In this process, the side image of camera Real-time Collection warmhouse booth, and the image collected is carried out to the edge extracting processing, the side profile of the warmhouse booth then processing obtained sends to main control module; Described main control module is determined the current location of insulation quilt according to this image; When the current location of insulation quilt is consistent with predeterminated position, close the shutter motor; If obtain the position of insulation quilt from image does not change in setting-up time, main control module enters fault diagnosis model: at first main control module judges under fault diagnosis model whether current location is the position of systemic presupposition, if so, main control module is closed the shutter motor; If not, think that fault has occurred the shutter motor, main control module initiatively disconnects the power supply of shutter motor, and by the GPRS module to operating personnel's warning of sending short messages.
2. the intelligent curtain rolling machine system based on image processing techniques as claimed in claim 1, is characterized in that, is equipped with at described insulation quilt on the edge of shutter motor one side and smears black pigment.
3. the intelligent curtain rolling machine system based on image processing techniques as claimed in claim 1, is characterized in that, prestores camera fixing angle of the required rotation of The Cloud Terrace under three kinds of mode of operations in described main control module.
4. the intelligent curtain rolling machine system based on image processing techniques as claimed in claim 1, is characterized in that, also comprise angular transducer, described angular transducer is arranged on the bottom of fork, with fork, moves;
Be preset with the reading of fork angular transducer when initial position and final position in described main control module, before the master control module controls insulation quilt is rolled or is laid, the reading of the insulation quilt angular transducer when desired location that prestores in main control module; Insulation quilt roll or process of deployment in, the angle information on described angular transducer Real-time Collection fork and ground, and the angle information collected is sent to main control module, main control module is compared the insulation quilt of the angle information that receives and its internal preset reading of angular transducer when the desired location, when both are consistent, main control module is closed the shutter motor;
After described main control module receives the angle information that angular transducer sends, the current angle information of receiving and front once received angle information are compared at every turn, judge whether adjacent twice angle information changes; If twice angle information changes to some extent, think that the shutter motor is working properly; If described angle information does not change in setting-up time, enter fault diagnosis model.
5. the intelligent curtain rolling machine system based on image processing techniques as claimed in claim 4, is characterized in that, by detent mechanism, described angular transducer is arranged on fork; Described detent mechanism comprises: connecting rod A, connecting rod B, central shaft, shaft coupling and two bearings; The end of described connecting rod A is connected with fork is vertical, and the other end is processed with axial slide; The top of described connecting rod B is positioned at this chute, and can in this chute, move axially; The affixed central shaft in the bottom of described connecting rod B; Described central shaft is coaxial with the jointed shaft of fork, and angular transducer is fixed in the end of central shaft near fork one end by shaft coupling.
6. the intelligent curtain rolling machine system based on image processing techniques as claimed in claim 1, is characterized in that, also comprises displacement sensor for pull rope; The position that described displacement sensor for pull rope is fixed on insulation quilt when laying fully or packing up fully; Stay cord end and the shutter motor of displacement sensor for pull rope are affixed;
In the process that described master control module controls insulation quilt is rolled or laid, the shutter motor moves together with insulation quilt, and the stretching that drives displacement sensor for pull rope is moved; Displacement sensor for pull rope sends the displacement signal of stay cord in real time to main control module, main control module is according to the position of this displacement signal judgement insulation quilt;
After described main control module receives the displacement signal that displacement sensor for pull rope sends, the current displacement signal of receiving and front once received displacement signal are compared at every turn, judge whether adjacent twice displacement signal changes; If twice displacement signal changes to some extent, think that the shutter motor is working properly; If described displacement signal does not change in setting-up time, enter fault diagnosis model.
7. as claim 1 or the 4 or 6 described intelligent curtain rolling machine systems based on image processing techniques, it is characterized in that, on described warmhouse booth, the position that insulation quilt is laid fully and packed up fully respectively arranges a limit switch, after described insulation quilt touches limit switch, send the insulation quilt signal that puts in place to main control module, main control module receives insulation quilt and puts in place after signal, closes the shutter motor.
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