CN204453666U - Based on the belt detection alarm system of laser ranging - Google Patents
Based on the belt detection alarm system of laser ranging Download PDFInfo
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- CN204453666U CN204453666U CN201520028024.8U CN201520028024U CN204453666U CN 204453666 U CN204453666 U CN 204453666U CN 201520028024 U CN201520028024 U CN 201520028024U CN 204453666 U CN204453666 U CN 204453666U
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
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- 238000012545 processing Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 15
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- 238000004148 unit process Methods 0.000 claims description 2
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Abstract
The utility model discloses a kind of belt detection alarm system based on laser ranging, adopt non-contact measurement principle, that effectively avoids travel switch to measure affecting generation by contact environment fails to report wrong report fault.Described system adopts centralized data processing method; realize simultaneously to Measurement accuracy and the monitoring of multiple belt; by laser scanning and ranging device scan material surface; obtain the distance value of laser head to material surface; the boundary position of belt is obtained again by distance value; by comparing process with the belt edge position of recording during device normalization; judge belt whether sideslip; when discovery belt deviation; make corresponding action by sending pulse control signal notice belt control convenience, protection belt equipment is not damaged.Native system device therefor and original paper are few, and structure is simple, detect reliable high, and system maintenance cost is low, be convenient to use in industry at each travelling belt apply.
Description
Technical field
The utility model relates to a kind of belt detection alarm system based on laser ranging, and this system relates to laser ranging and the field such as to communicate.
Background technology
Travelling belt is the visual plant of material short-distance transport, is widely used in the production industries such as mine, agricultural, food, tobacco.Belt deviation is fault the most common in travelling belt operation process, and its harmfulness is very big, and major effect has the following aspects: belt deviation causes the system failure to shut down affects production operation efficiency; Easily cause the improper damage of equipment major part; The material that belt deviation causes is spilt and is easily formed potential safety hazard.Have very important significance so detect belt deviation in time, exactly.It is use sideslip detector switch, i.e. travel switch that current belt deviation detects main method.During use by travel switch mounted in pairs in conveyor head or afterbody, when belt deviation, belt edge contact compressing travel switch contact produces mobile trigger alarm.Sideslip detector switch is mechanical switch, adopts contact measurement mode, when it is applied to comparatively severe production environment as inferior in coal mine, very easily by impacts such as coal dust, dirt, greasy filth, the fault such as easily to report, fail to report by mistake.Therefore, the fault rate of sideslip detector switch is higher.For ensureing that sideslip detector switch normally works, need full-time staff manually to carry out periodical maintenance to switch, the human cost of use is higher.
Therefore, need at present a kind of adopt non-contact detection principle, reliable, be convenient to implement, the new mode of detection travelling belt sideslip that maintenance cost is low and system.
Summary of the invention
The utility model object is to provide a kind of belt detection alarm system based on laser ranging, adopts non-contact detection principle, reliable and maintenance cost is low.Described detection alarm system adopts integrated system framework, can image data simultaneously to multiple travelling belt in disposal system, realizes carrying out real-time remote monitoring to multiple travelling belt.
1. described in, detection alarm system mainly comprises: laser scanning and ranging equipment, belt speed measuring equipment, data network, monitoring server and display terminal; Above every bar travelling belt, laser scanning and ranging equipment is installed, and on the cylinder of travelling belt, belt speed measuring equipment is installed; Monitoring server to receive on each bar travelling belt equipment by the data of data network transmission; Monitoring server process also detects data, controls display terminal and shows each belt speed and running state; Monitoring server connects the control convenience of belt by data network, according to the logical data processing certain the travelling belt sideslip obtained, transmits control signal and stops belt running.
2. this system comprises further: laser scanning and ranging equipment is arranged on directly over the diad of every bar travelling belt, and setting height(from bottom) should higher than height of materials; The scanning plane of laser scanning and ranging equipment perpendicular to tangent plane bottom belt diad and belt, and should need ensure that scanning finding range is greater than belt width simultaneously.
3. this system comprises further: laser scanning and ranging equipment should select the equipment with network or bus interface; As equipment does not have network or bus interface, communications switching unit need be increased by laser scanning and ranging equipment access data network.
4. this system comprises further: described monitoring server mainly comprises communication unit, memory cell, data processing unit; Communication unit is responsible for gathering the output data receiving laser scanning and ranging equipment and the belt speed measuring equipment come by data network transmission, and the data of data processing unit process are sent display terminal display; Memory cell is responsible for storing the real-time of all belts and historical data, and each belt detects associated parameter data; Data processing unit is responsible for the data processing communication unit reception, according to result output alarm signal.
5. this system comprises further: described monitoring server stores the position data that laser scanning and ranging equipment is measured when belt position is normal.
6. this system comprises further: the data processing unit of described monitoring server adopts comparator processing scan data and obtains belt edge position; Comparator also processes real-time belt edge position and calibration position data, and process obtains the logical data of belt whether sideslip.
Accompanying drawing explanation
Fig. 1 is based on the belt detection alarm system schematic of laser ranging.
Fig. 2 laser scanning and ranging equipment and belt speed measuring equipment scheme of installation.
Fig. 3 monitoring server function system structural representation.
Fig. 4 detection alarm implementation process schematic diagram.
The cross-section data schematic diagram that Fig. 5 timing signal laser scanning and ranging gathers.
During Fig. 6 belt deviation, laser scanning and ranging measures the instantaneous cross-section data schematic diagram gathered.
Detailed description of the invention
Described detection alarm system, as shown in Figure 1 in embodiment, comprising:
1. monitoring server (101), be responsible for the data that in receiving system, all laser scanning and ranging equipment and belt speed measuring equipment are uploaded, and processing data obtains each belt running velocity and running state, connect the control of control convenience realization to belt of belt.
2. display terminal (102), is responsible for the display each belt speed of display and running state.
3. core switching device (103), the hard core control of data network and switching equipment, be responsible for all management and data exchanges having access to the equipment of spider lines, as network range is larger, select ethernet networking, as network within the specific limits, also can select fieldbus mode building network.
4. access switching equipment (104), the access device of data network, be responsible for the access network of equipment and data exchange.
5. laser scanning and ranging equipment (105), can adopt the laser scanning and ranging instrument with network interface, connects access switch; Laser scanning and ranging instrument as selected does not have network interface, need increase communications switching unit and be accessed network by laser scanning and ranging instrument.
6. belt speed measuring equipment (106), comprise data acquisition and data processing communication two parts, photoelectric coding tachogen is adopted to carry out data acquisition, directly or indirectly be connected with the axle of belt speed measuring cylinder, the rotating speed of real-time measurement cylinder, can produce and the impulse singla asking drum rotation speed to be directly proportional; Data processing communication part is responsible for impulse singla to obtain belt speed in conjunction with diameter of cylinder computing, and sends belt speed to monitoring server by data network.
The installation site reference of laser scanning and ranging equipment and belt speed measuring equipment is as Fig. 2:
1. laser scanning and ranging equipment (105) is arranged on directly over the diad of every bar travelling belt, and setting height(from bottom) should higher than height of materials; The scanning plane of laser scanning and ranging equipment perpendicular to tangent plane (202) bottom belt diad (201) and belt, and should need ensure that scanning finding range is greater than belt width simultaneously.
2. the part of data acquisition of belt speed measuring equipment (106) directly or indirectly connects the axle of cylinder (203).
With reference to figure 3, monitoring server comprises:
1. communication unit (301), be responsible for the input and output of monitoring server data, function realizes primarily of interface chip (302), be connected with data network by port (303), interface chip should meet data network standard requirement, can network card chip be used, also can use fieldbus chip.
2. memory cell (304), comprise Data Management Unit (305) and memory element (306), Data Management Unit is responsible for managing the storage space resource of memory element, comprises and stores data address management and the management of data retrieval inquiry service.
3. data processing unit (307) compares work for performing data, and major part is that comparator (308) can use microprocessor, and FPGA also can be used to realize.
The concrete implementation step of monitoring server detection alarm is as follows:
1. location position (401), timing signal need use laser scanning and ranging equipment to scan to normotopic belt, obtains the boundary position A of belt
land A
r, as shown in Figure 5, be recorded in monitoring server.Process is as follows:
A) communication unit receives the cross section shaped upper part data that laser scanning and ranging device scan obtains material on belt, data are one group of laser head range-to-go value, the scanning angle of most laser scanning and ranging instrument is larger, generally all reach more than 180 degree, maximumly reach 360 degree, for preventing interference, data composition array X (n) only intercepted in belt detection angles region process;
B) data processing unit asks poor X (the i)-X (i-1) of adjacent two numbers backward one by one from X (0), X (i)-X (i-1) the > G when finding that certain difference is greater than threshold value G, then terminate relatively and record the position i of currency in array, left margin position A
l=i;
C) in like manner from X (n-1), repeat forward above process, obtain right margin position A
r.
2. (402) communication unit receives the real-time belt movement speed v that belt speed measuring equipment is uploaded
i.
3. (403) monitoring server communication unit receives the cross section shaped upper part real time data that the scanning of laser scanning and ranging instrument obtains material on belt, is obtained the boundary position B of real-time belt by above-mentioned edge detection process process
land B
r, as shown in Figure 6.
4. (404) data processing unit comparator is by the boundary position B of the real-time belt of comparator
l, B
rwith the boundary position A of the belt recorded
l, A
r, as | B
r-A
r| > F, and | B
l-A
l| > F, simultaneously B
r-A
rwith B
l-A
lsign is identical; Then trigger belt deviation warning (405) as met above condition, sound and light alarm also in display terminal display relevant information, and transmits control signal to belt control convenience.
Claims (6)
1. based on a belt detection alarm system for laser ranging, it is characterized in that: system mainly comprises laser scanning and ranging equipment, belt speed measuring equipment, data network, monitoring server and display terminal; Above every bar travelling belt, laser scanning and ranging equipment is installed, and on the cylinder of travelling belt, belt speed measuring equipment is installed; Monitoring server to receive on each bar travelling belt equipment by the data of data network transmission; Monitoring server process also detects data, controls display terminal and shows each belt speed and running state; Monitoring server connects the control convenience of belt by data network, according to the logical data processing certain the travelling belt sideslip obtained, transmits control signal and stops belt running.
2. detection alarm system as claimed in claim 1, is characterized in that: laser scanning and ranging equipment is arranged on directly over the diad of every bar travelling belt, and setting height(from bottom) should higher than height of materials; The scanning plane of laser scanning and ranging equipment perpendicular to tangent plane bottom belt diad and belt, and should need ensure that scanning finding range is greater than belt width simultaneously.
3. detection alarm system as claimed in claim 1, is characterized in that: laser scanning and ranging equipment should select the equipment with network or bus interface; As equipment does not have network or bus interface, communications switching unit need be increased by laser scanning and ranging equipment access data network.
4. detection alarm system as claimed in claim 1, is characterized in that: described monitoring server mainly comprises communication unit, memory cell and data processing unit; Communication unit is responsible for gathering the output data receiving laser scanning and ranging equipment and the belt speed measuring equipment come by data network transmission, and the data of data processing unit process are sent display terminal display; Memory cell is responsible for storing the real-time of all belts and historical data, and each belt detects associated parameter data; Data processing unit is responsible for the data processing communication unit reception, according to result output alarm signal.
5. detection alarm system as claimed in claim 4, is characterized in that: described monitoring server stores the position data that laser scanning and ranging equipment is measured when belt position is normal.
6. detection alarm system as claimed in claim 4, is characterized in that: the data processing unit of described monitoring server adopts comparator processing scan data and obtains belt edge position; Comparator also processes real-time belt edge position and calibration position data, and process obtains the logical data of belt whether sideslip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028024.8U CN204453666U (en) | 2015-01-13 | 2015-01-13 | Based on the belt detection alarm system of laser ranging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028024.8U CN204453666U (en) | 2015-01-13 | 2015-01-13 | Based on the belt detection alarm system of laser ranging |
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|---|---|
| CN204453666U true CN204453666U (en) | 2015-07-08 |
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| CN201520028024.8U Expired - Fee Related CN204453666U (en) | 2015-01-13 | 2015-01-13 | Based on the belt detection alarm system of laser ranging |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353760A (en) * | 2016-11-07 | 2017-01-25 | 中国矿业大学(北京) | Belt detection and alarm system based on ultrasonic ranging |
| CN106429301A (en) * | 2016-11-07 | 2017-02-22 | 中国矿业大学(北京) | Belt monitoring early warning device based on ultrasonic waves |
| CN106989803A (en) * | 2017-05-17 | 2017-07-28 | 安徽理工大学 | The contactless weight calculation of belt feeder and departure warning equipment |
| CN107128661A (en) * | 2017-05-17 | 2017-09-05 | 安徽理工大学 | Contactless Belt Conveying weight calculation and departure warning device |
-
2015
- 2015-01-13 CN CN201520028024.8U patent/CN204453666U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353760A (en) * | 2016-11-07 | 2017-01-25 | 中国矿业大学(北京) | Belt detection and alarm system based on ultrasonic ranging |
| CN106429301A (en) * | 2016-11-07 | 2017-02-22 | 中国矿业大学(北京) | Belt monitoring early warning device based on ultrasonic waves |
| CN106989803A (en) * | 2017-05-17 | 2017-07-28 | 安徽理工大学 | The contactless weight calculation of belt feeder and departure warning equipment |
| CN107128661A (en) * | 2017-05-17 | 2017-09-05 | 安徽理工大学 | Contactless Belt Conveying weight calculation and departure warning device |
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Granted publication date: 20150708 Termination date: 20200113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |