CN203419688U - Crane safety control system and safety autopilot thereof - Google Patents
Crane safety control system and safety autopilot thereof Download PDFInfo
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- CN203419688U CN203419688U CN201320534897.7U CN201320534897U CN203419688U CN 203419688 U CN203419688 U CN 203419688U CN 201320534897 U CN201320534897 U CN 201320534897U CN 203419688 U CN203419688 U CN 203419688U
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Abstract
The utility model discloses a crane safety control system and a safety autopilot of the crane safety control system. The crane safety autopilot comprises a central processing unit, a control display unit and a control command output unit, wherein the central processing unit is respectively connected with the control display unit and the control command output unit, and the crane safety autopilot also comprises a storage unit, an AD (analog-digital) conversion unit and a digital signal input/output interface, the storage unit, the AD conversion unit and the digital signal input/output interface are respectively connected with the central processing unit, the crane safety autopilot can receive a digital signal and an analog signal transmitted by multiple sensors and can receive and display more data information, sufficient information can be provided to the operation personnel and for the operation personnel to know the current situation of a crane, and the information is also convenient for the operation personnel to judge, make decision and enter the next operation; moreover, multiple digital and analog signals can be controlled to output in a serial form and a parallel form; and the crane safety autopilot has the advantages of multiple functions, simplicity, flexibility, convenience in use, good universality, low cost and the like.
Description
Technical field
The utility model relates to crane safety and comprehensively controls technical field, relates in particular to a kind of crane safety control system and safe driving instrument thereof.
Background technology
Hoisting crane is frequent many action elevator machineries that weight was carried, rotated on the spot, transports to a kind of vertical-lift within the specific limits, level, claims again crane, belongs to material carrying machine.The work characteristics of hoisting crane is to do intermittent exercise, and rule hoists/lands, and in a working cycle, the corresponding mechanism of the action such as feeding, migration, unloading is alternation.
Existing hoisting crane complete machine control program is to be based upon on PLC+PROFIBUS platform base, that a standard is provided by supplier completely and limits, hardware Complete customization, the development platform that software carries out limited programing function limitation is the scheme under basic general-purpose platform condition, it is low that the crane control system of developing under existing equipment level development platform has specificity, communication efficiency is not high, specific aim is poor, integrated level is low, configuring redundancy, sexual valence ratio, expansion difficulty, use off-the-shelf equipment, cannot obtain autonomous IP, more cannot come into the market to wait not enough as customed product.
The obvious several problems that exist in existing hoisting crane actuation means are as follows:
One, existing hoisting crane actuation means, general operating handle, PLC and the read-out of adopting controlled and shows, the control that each mechanism of hoisting crane moves mainly realizes by control operation handle, mode is single, operating mode is inflexible, operator's experience is required to high (without steer mode automatically), and operating handle belongs to that engineering goods are various in style, expensive and fault rate is high;
Two, the information information less, that read-out shows that existing hoisting crane actuation means can obtain is less, and reaction is slow, without functions such as security monitoring, climatic information, failed storage, assistant analysis, enough information is comprehensively provided in time can not to operating personal;
Three, existing hoisting crane actuation means is by RS485, PROFIBUS to driver of elevator sending controling instruction, and the data of transmission are few, data transmission is slow.
Utility model content
The technical problems to be solved in the utility model is just: the problems referred to above that exist for prior art, the utility model provides a kind of complete function, compact conformation, easy to use, the comprehensive crane safety control system of obtaining information and safe driving instrument thereof.
For achieving the above object, crane safety pilot of the present utility model, comprise central processing unit, control display unit, control command output unit, central processing unit is connected respectively with control display unit, control command output unit, also comprise memory cell, AD converting unit, digital signal input/output interface, memory cell, AD converting unit, digital signal input/output interface are all connected with central processing unit.In this programme, digital signal input/output interface can be connected with micro climate sensors such as optical sensor inside and outside operator's compartment, temperature sensor, humidity sensor, wind speed wind direction sensors, the micro climate data that receiving sensor gathers, and send to central processing unit for processing, cell stores, then by controlling display unit, be shown to operating personal, central processing unit proposes warning or interrupt run, emergency to complete machine work after limit is judged simultaneously, the lift heavy sensor arranging on AD converting unit and hoisting crane, amplitude/height sensor, degreeof turn sensor, torque arm subtended angle sensor, travel switches etc. are connected, receive the moment that these sensors gather, brachium, angle of revolution, torque arm subtended angle, hang height, the analog signal of the security information such as end position, and after being converted to digital signal, such analog signal sends to central processing unit for processing, memory stores, then by controlling display unit, be shown to operating personal, if above-mentioned micro climate sensor outputting analog signal, also access AD converting unit, after analogue to digital conversion, send to central processing unit.In this programme, memory cell can also can be stored all kinds of accident informations for the storage of Various types of data, and specialized database is convenient to carry out assistant analysis and auxiliary maintaining.The said structure of the crane safety pilot of this programme makes it have the functions such as monitoring is controlled, security monitoring, dynamically demonstration, accident storage, assistant analysis, comprehensive driving.
As further improvement of the utility model, above-mentioned crane safety pilot also comprises the communication unit being connected with central processing unit.
Further, above-mentioned communication unit comprises ethernet communication module, remote wireless communication module, short-range wireless communication module, and above-mentioned remote wireless communication module can be one or more in 2G wireless communication module, 3G wireless communication module, 2.5G wireless communication module, 4G wireless communication module; Above-mentioned short-range wireless communication module can be one or more in the modules such as WIFI module, Zigbee module, bluetooth module, NFC module.Wherein, ethernet communication module, remote wireless communication module, WIFI module are for accessing Internet, and several modes can adopt simultaneously, realizes wired and wireless remote seamless remote measuring and controlling; Other short-range wireless communication module, for the wireless connections of on-the-spot each equipment room, forms on-site wireless tracking and command network.
Further, above-mentioned control display unit comprises control unit and display unit, and described control unit is used for entering the operating instructions, and described display unit is used for showing hoisting crane information.
Further, above-mentioned control display unit is touch display screen, along with popularizing of touch display screen equipment, touch display screen cost constantly reduces, and use also very convenient, touch display screen has Presentation Function simultaneously and controls function, two kinds of functions realize respectively data output and control command input, especially in the control that realizes hoisting crane, adopt touch display screen can replace the heavy expensive manual joint action table of tradition to control, control convenient reliable and economic and practical, and it can adopt vector technique of display to carry out part amplification when observing the situation of hoisting crane and observing image data, observe clearlyer.
Further, above-mentioned crane safety pilot also comprises the alarm unit being connected with Central Processing Unit (CPU), timely early warning/warning when et out of order, and this alarm unit can be combined aural and visual alarm, screen display, also can other conventional annunciators; In the time of early warning/warning, also corresponding direction, deceleration, parking control will be carried out under the control of central processing unit.
Further, above-mentioned control command output unit comprises CAN communication unit, and this CAN communication unit comprises the CAN controller being connected with central processing unit and is connected to the CAN transceiver on CAN controller, realizes efficient local communication.
Further, above-mentioned control command output unit also comprises the DA converting unit being connected with central processing unit.The quantity of above-mentioned DA converting unit is at least 4,4 DA converting units can be converted to variable voltage by control command, send to respectively 4 can receive inverter/frequency converter that analog signal controls or other do not possess the actuating equipment of serial interface, adopt parallel mode control inverter/frequency converter, make the crane safety pilot of this programme can be applicable to the control of polytype inverter/frequency converter simultaneously, improve commonality.The existing serial ports output of crane safety pilot of this programme, can with many extraneous controlled plants addressing mode serial communication (as modern inverter/frequency converter) of encoding, there is again the parallel I/O interface of a plurality of expansions, can be to a plurality of controlled plant parallel control, and the two can carry out simultaneously, compatible, this is just for the old equipment (as OMD, RCV, LMD, DC speed regulation etc.) that those do not possess serial communication is provided by the controlled means that provide, no matter the old and new's equipment or combination drive structure can be implemented effective control, and no matter serial/parallel can be controlled arbitrarily.
Crane safety control system, comprise hoisting crane actuation means, for gathering the first sensor group of climatic information and for gathering the second sensor group of crane safety information, wherein, hoisting crane actuation means is the crane safety pilot in above-mentioned arbitrary scheme, and first sensor group is all connected with the central processing unit of crane safety pilot by digital signal input/output interface or AD converting unit with the second sensor group.If wherein the output signal of sensor is analog signal, by digital signal input/output interface input crane safety pilot, if analog signal, by AD converting unit input crane safety pilot.
Further, above-mentioned first sensor group comprises optical sensor, temperature sensor, humidity sensor, wind speed wind direction sensor, above-mentioned the second sensor group comprises that, in lift heavy sensor, degreeof turn sensor, amplitude sensor, height sensor practical application, the second sensor group can further include position limit switch, door lock safety switch etc.
With respect to prior art, the utlity model has following advantage and beneficial effect:
1, the utility model is provided with digital signal input/output interface and AD converting unit, can receive digital signal and analog signal that a plurality of sensors are sent to, the data message that receives and show is many, can provide enough information to operational applications, for operating personal overall understanding hoisting crane the present situation, also convenient operation maintainer judges decision-making and carries out next step operation, possesses multichannel output control signal simultaneously;
2, display unit of the present utility model and control unit adopt touch display screen, and its use is convenient, operation is more flexible, safe and efficient, powerful, life;
3, the utility model is provided with alarm unit, and observing and controlling develops simultaneously, and has improved safety of the present utility model;
4, the utility model is provided with communication unit, supports wire communication, wireless telecommunication, wireless, short-range communication, can realize long-haul telemetry control, also supports the wireless proximity of field apparatus to connect;
5, control command of the present utility model can be exported by full can bus, and speed of transmission is fast, and the data volume of transmission is large, and error correction is strong, and efficiency is high can support the real-time field control effect of hoisting crane and demand well;
6, control command output unit of the present utility model is supported parallel control simultaneously, supports again serial output to control, and no matter the old and new's equipment or combination drive structure can be implemented effective control, and no matter serial/parallel can be controlled arbitrarily, and commonality is good;
7, possess " automatic Pilot " function: when safe driving instrument is placed on " automatically " gear, the automatic operation that system can add by default program curve+limiting condition/slows down, and monitor simultaneously and protect; For security of system work, convenient and reliable operation, reducing interference from human factor provides strong guarantee;
8, the utlity model has the functions such as monitoring is controlled, safety monitoring, dynamically demonstration, accident storage, assistant analysis, comprehensive driving;
9, the utility model is simple and compact for structure, specificity is strong, and integrated cost extensibility low and system is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Marginal data: 1, central processing unit; 2, control display unit; 4, memory cell; 5, AD converting unit; 6, digital signal input/output interface; 7, alarm unit; 8, communication unit; 9, control command output unit; 91, CAN communication unit; 92, DA converting unit.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited only to this.
[embodiment 1]
As shown in Figure 1, the crane safety pilot of the present embodiment, comprises central processing unit 1 and the control display unit 2, memory cell 4, AD converting unit 5, digital signal input/output interface 6, the control command output unit 9 that are attached thereto.Wherein, above-mentioned control display unit 2 comprises control unit and display unit, in the present embodiment, controls display unit 2 for integrating the touch display screen that shows and control function.In practical application, also can adopt the pattern that in existing crane control system, control unit and display unit separate, adopt separately read-out to show, and the input of control command adopt traditional joint action table, by operating handle or operation rocking bar, is completed.In the present embodiment, programmable system SOPC chip on special-purpose sheet be can adopt, central processing unit 1, memory cell 4, AD converting unit 5, digital signal input/output interface 6, control command output unit 9 etc. in this SOPC chip, are integrated with.
In this enforcement, in the operator's compartment of hoisting crane, be provided with temperature sensor, humidity sensor outward with operator's compartment, the outer tower top of operator's compartment is provided with optical sensor, these sensors are connected to the digital signal input/output interface 6 of crane safety pilot, by digital signal input/output interface 6 or AD converting unit 5, send to central processing unit 1 process and be shown to operating personal, by memory cell 4, stored by touch display screen the micro climate data of collection, lift heavy sensor is also installed on tower crane relevant position, amplitude/height sensor, degreeof turn sensor, torque arm subtended angle sensor, hang high sensor, position limit switch, door lock safety switch etc., these sensors are connected with digital signal input/output interface 6 or AD converting unit 5, by the lift heavy of its collection (moment), brachium, angle of revolution, torque arm subtended angle, hang height, end position, the security information parameter signals such as door lock send to central processing unit 1 process and be shown to operating personal by touch display screen through digital signal input/output interface 6 or AD converting unit 5, by memory cell 4, store.In practical application, if above-mentioned micro climate sensor outputting analog signal also accesses AD converting unit 5 and send to central processing unit 1 after analogue to digital conversion, under the control of central processing unit 1, send to memory cell 4 storages, touch display screen to show.In practical application, central processing unit 1 also can adopt conventional CPU, micro controller system, FPGA for PC to realize, such as but not limited to adopting Programmable Logic Controller, the P89C668 of PHILIPS company micro controller system, the MB90560 of the FUJITSU company series that model is ABBPLC-AC31; Memory cell 4 can adopt general IDE hard disk or SDRAM memory device or FLASH memory device, such as but not limited to adopting the SDRAM memory chip of modern HY57V641620 model or adopting the FLASH memory device of GD25Q80SCP model or the IDE hard disk of West Digital WDC WD800BB-88JHC0 model; The GPIO(General Purpose Input Output that digital signal input/output interface 6 adopts common chip to carry, universal input/output), for example can adopt XRA120x I2C/SMBus GPIO extended chip or XRA140x SPI GPIO extended chip; Also can be the interface of the conventional support digital signal I/O such as RS485 interface, SPI interface, RS232 interface, AD converting unit 5 can adopt common A/D conversion chip to realize, such as but not limited to 10 high speed serialization A/D converters of low-power consumption of the AD7810 of ADI model.
[embodiment 2]
On the basis of embodiment 1, the crane safety pilot in the present embodiment also comprises alarm unit 7 and the communication unit 8 being connected with Central Processing Unit (CPU) 1.Wherein, communication unit 8 comprises ethernet communication module, remote wireless communication module, short-range wireless communication module, and above-mentioned remote wireless communication module can be one or more in 2G wireless communication module, 3G wireless communication module, 2.5G wireless communication module, 4G wireless communication module; Above-mentioned short-range wireless communication module can be one or more in the modules such as WIFI module, Zigbee module, bluetooth module, NFC module.Wherein, ethernet communication module, remote wireless communication module, WIFI module be for accessing Internet, realizes wired, wireless remote is seamless distant TT&C system; Other short-range wireless communication module, for the wireless connections of on-the-spot each equipment room, forms local wireless tracking and command network.Above-mentioned alarm unit 7 can be combined aural and visual alarm or other conventional alarm units.The lift heavy that Central Processing Unit (CPU) 1 can gather by sensor, brachium, degreeof turn, torque arm subtended angle, hang the parameters such as height, end position, door lock and judge whether hoisting crane breaks down, when hoisting crane breaks down, start alerting signal and carry out early warning/warning: combined aural and visual alarm is sounded and optical signal carries out early warning/warning; Also can pass through remote wireless communication module or the distant early warning/warning of ethernet communication module.Above-mentioned wireless communication module is 3G wireless module.In practical application, above-mentioned communication unit 8 can also comprise various serial communication interfaces, the function of expansion crane safety pilot.
In the present embodiment, above-mentioned remote wireless communication module adopts the TD module of Datang DTM6211 model; Ethernet communication module adopts the network chip of DM9102HEP model; Short-range wireless communication module adopts the zigbee module of CC2530 model, ZICM2410P0,2 serial model No.s.In practical application, the concrete model of above-mentioned each module can be selected according to actual user demand, is not limited only to module type and chip signal in the present embodiment.
[embodiment 3]
On above-described embodiment basis, in the present embodiment, control command output unit 9 comprises CAN communication unit 91, by CANBUS, forms local core measurement and control network.CAN refers to controller local area network (Controller Area Network, CAN), and CAN bus is a kind of fieldbus that has formed international standard with various features such as high, the easy realization of traffic rate and cost performance height.CAN communication unit 91 specifically comprises the CAN controller being connected with central processing unit 1 and is connected to the CAN transceiver on CAN controller, connects CAN bus on CAN transceiver.Wherein, CAN controller can adopt chip to be embedded in pattern or external pattern using SJA1000 family chip, and CAN transceiver can adopt TJA1040/PCA82C250/1 family chip.SJA1000 chip is that a CAN controllers ，You PHILIPS company designs and produces, and has outstanding EMI, EMC performance, is applicable to the controller local area network in industrial environment.TJA1040 chip is a kind of high-speed CAN transceiver, has very outstanding EMC performance, under power-up state, is not having desirable passive performance, and low-power consumption management is provided, and supports Remote Wake Up, and is integrated with perfect bus protection function.TJA1040 can support 40Kbps～1Mbps two-forty scope, and in the occasion that does not need CAN repeater, it is far away that communication distance can reach 1.2Km, and communication node number can reach 110 nodes.TJA1040 chip is widely used in industrial control field, can adapt to the working environment of any harshness.Adopt the plurality of advantages such as CAN bus output control command has high, the easy realization of traffic rate, volume of transmitted data is large, cost performance is high.In practical application, also can adopt according to demand other buses to realize.In practical application, control command output unit 6 also can adopt profibus communication unit, thereby by profibus bus output serial control bus, profibus is also a kind of standard for Fieldbus, but the quantity of the total line control of profibus can be significantly smaller than CAN bus.
[embodiment 4]
On the basis of embodiment 3, in the control command output unit 9 in the present embodiment, also comprise 4 DA converting units 92, realize the parallel output mode of non-universal serial bus tradition actuating unit; 4 DA converting units 92 are respectively used to control 4 frequency converter/inverters, 4 DA converting units 92 are all connected with central processing unit 1, it is for being converted into variable voltage by control command, send to and can receive inverter/frequency converter that analog signal is controlled, this mode is for parallel control inverter/frequency converter; And the direct output digit signals of mode that CAN communication unit 91 adopts Serial Control is to inverter/frequency converter that can receiving digital signals, therefore, crane safety pilot in the present embodiment can adopt serial and parallel two kinds of mode control inverter/frequency converters, be applicable to the control of polytype inverter/frequency converter, traditional old-fashioned actuating equipment, highly versatile simultaneously.
[embodiment 5]
Crane safety control system, comprises hoisting crane actuation means, for gathering the first sensor group of climatic information and for gathering the second sensor group of crane safety information.Wherein, above-mentioned hoisting crane actuation means is arbitrary described crane safety pilot in embodiment 1-4, described first sensor group is connected with the central processing unit 1 of crane safety pilot by digital signal input/output interface 6 or AD converting unit 5 with the second sensor group, if wherein the output signal of the sensor in sensor group is digital signal, by digital signal input/output interface 6 input crane safety pilots, if analog signal, by AD converting unit 5 input crane safety pilots.
In the present embodiment, first sensor group comprises 1 optical sensor, 2 temperature sensors, 2 humidity sensors, 1 wind speed wind direction sensor, wherein wind speed wind direction sensor, optical sensor are arranged on the outer tower top of operator's compartment, and temperature sensor, humidity sensor are being driven 1 of indoor location, driven one of outdoor mounted respectively.Temperature sensor can adopt DS18B20 digital temperature sensor; Humidity sensor can adopt LTM8901 digital hygro sensor; Wind speed wind direction sensor can adopt the anemoclinograph of TX series wind transducer, FY-FS series air velocity transducer or RY-FSXY model; Optical sensor can adopt the optical sensor of HA2003 model.
The second sensor group comprise the second sensor group comprise lift heavy sensor, for measuring brachium and hanging high degreeof turn sensor, amplitude sensor, height sensor, above-mentioned lift heavy installation of sensors is on load-bearing fulcrum, above-mentioned amplitude sensor, height sensor, degreeof turn sensor be separately positioned on the hoisting crane amplitude of controlling, highly, on the speed reduction gearing that changes of degreeof turn, can further include end position, door lock etc., end position, door lock are arranged on corresponding spacing position.Wherein, above-mentioned lift heavy sensor can adopt PLD308 series pull pressure sensor or ET-2 type tension load cell; Above-mentioned amplitude sensor, height sensor can adopt WKS-GC series height luffing sensor, and degreeof turn sensor can adopt WDG-A, B, C, AM series angular transducer.
In practical application, the model of the sensor, quantity, type selecting can be used as required, for example, can also set up the torque arm subtended angle sensor being arranged on crane arm fulcrum, and the kind, quantity and the model that in the present embodiment, provide are provided.
Below be only preferred implementation of the present utility model, protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, more excellent configuration, the simple conversion at other field, should be considered as protection domain of the present utility model.
Claims (10)
1. crane safety pilot, comprise central processing unit (1), control display unit (2), control command output unit (9), described central processing unit (1) is connected respectively with control display unit (2), control command output unit (9), it is characterized in that, also comprise memory cell (4), AD converting unit (5), digital signal input/output interface (6), described memory cell (4), AD converting unit (5), digital signal input/output interface (6) are all connected with central processing unit (1).
2. crane safety pilot according to claim 1, is characterized in that, also comprises the communication unit (8) being connected with central processing unit (1).
3. crane safety pilot according to claim 2, is characterized in that, described communication unit (8) comprises ethernet communication module, remote wireless communication module, short-range wireless communication module.
4. crane safety pilot according to claim 1, is characterized in that, described control display unit (2) comprises control unit and display unit.
5. crane safety pilot according to claim 1, is characterized in that, described control display unit (2) is touch display screen.
6. crane safety pilot according to claim 1, is characterized in that, also comprises the alarm unit (7) being connected with Central Processing Unit (CPU) (1).
7. crane safety pilot according to claim 1, it is characterized in that, described control command output unit (9) comprises CAN communication unit (91), and described CAN communication unit (91) comprises the CAN controller being connected with central processing unit (1) and is connected to the CAN transceiver on CAN controller.
8. crane safety pilot according to claim 7, is characterized in that, described control command output unit (9) also comprises the DA converting unit (92) being connected with central processing unit (1).
9. crane safety control system, comprise hoisting crane actuation means, it is characterized in that, also comprise for gathering the first sensor group of climatic information and for gathering the second sensor group of crane safety information, described hoisting crane actuation means is arbitrary described crane safety pilot in claim 1 to 8, and described first sensor group is all connected with the central processing unit (1) of crane safety pilot by digital signal input/output interface (6) or AD converting unit (5) with the second sensor group.
10. crane safety control system according to claim 9, it is characterized in that, described first sensor group comprises optical sensor, temperature sensor, humidity sensor, wind speed wind direction sensor, and described the second sensor group comprises lift heavy sensor, degreeof turn sensor, amplitude sensor, height sensor.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108121249A (en) * | 2017-11-17 | 2018-06-05 | 徐州重型机械有限公司 | A kind of radio crane operation management system |
| CN108946493A (en) * | 2018-09-17 | 2018-12-07 | 安徽德马泰格起重机械有限公司 | A kind of crane starting safety control system |
| CN110525420A (en) * | 2019-09-02 | 2019-12-03 | 厦门朴思起重设备有限公司 | The anti-fitful wind control system of STS cart |
| CN110759243A (en) * | 2019-09-20 | 2020-02-07 | 徐州立方机电设备制造有限公司 | Self-propelled crane remote control system based on 5g network |
-
2013
- 2013-08-30 CN CN201320534897.7U patent/CN203419688U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108121249A (en) * | 2017-11-17 | 2018-06-05 | 徐州重型机械有限公司 | A kind of radio crane operation management system |
| CN108946493A (en) * | 2018-09-17 | 2018-12-07 | 安徽德马泰格起重机械有限公司 | A kind of crane starting safety control system |
| CN110525420A (en) * | 2019-09-02 | 2019-12-03 | 厦门朴思起重设备有限公司 | The anti-fitful wind control system of STS cart |
| CN110759243A (en) * | 2019-09-20 | 2020-02-07 | 徐州立方机电设备制造有限公司 | Self-propelled crane remote control system based on 5g network |
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