CN201737546U - Safety protection and running state monitoring device for construction hoist - Google Patents
Safety protection and running state monitoring device for construction hoist Download PDFInfo
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- CN201737546U CN201737546U CN2010202428482U CN201020242848U CN201737546U CN 201737546 U CN201737546 U CN 201737546U CN 2010202428482 U CN2010202428482 U CN 2010202428482U CN 201020242848 U CN201020242848 U CN 201020242848U CN 201737546 U CN201737546 U CN 201737546U
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Abstract
A safety protection and running state monitoring device for a construction hoist comprises a programmable logic controller, a frequency converter, a control main board, a mechanical sensor, a weighing controller, an anti-clashing sensor, a safety spacing, an operation keyboard, a liquid crystal display and a voice prompt device; the signal output terminal of the mechanical sensor is connected with the signal input terminal of the bearing controller; the signal input terminal of the programmable logic controller is connected with the signal output terminals of the frequency converter, the weighing controller, the anti-clashing sensor, the safety spacing and the operation keyboard; the serial communication interface of the programmable logic controller is connected with the signal input terminal of the control main board; and the signal output terminal of the control main board is connected with the signal input terminals of the liquid crystal display and the voice prompt device. The display can display the real-time dynamic information of a suspension cage with excellent pictures and texts, and record and display the failure of the electrical control system to send out the human voice alarming prompt, so that the operating personnel can conveniently understand the failure position and reason. Therefore, the safety protection and running state monitoring device is applicable to various construction hoists.
Description
Technical field
The utility model relates to the technical field of elevator security monitoring, particularly a kind of elevator safety guard-safeguard and operation monitoring device.
Background technology
In elevator, in order to avoid the generation of accident, provide the control monitor unit of safety guard-safeguard and running state usually, so that whether the operation action of monitoring elevator is normal.At present, the security monitoring of most of elevators, all be to adopt electric bell or wire intercommunication to write to each other up and down, also some elevator is that pick up camera is installed on the bont of cage, provide power supply from ground with a power lead, the vision signal of pick up camera output is connected with TV monitor by a signal line, provides picture signal to TV monitor.
Preceding two kinds of signalling methodss, operating personal can not be monitored in real time to the safe condition of jacking system, and operation error takes place easily.The latter, when floor was higher, the transmission image was relatively poor, has a strong impact on the real-time monitoring to construction safety.
The utility model content
The purpose of this utility model provides a kind of building hoist safety guard-safeguard and device for monitoring running state; solving operating personal can not monitor in real time to the safe condition of jacking system; operation error takes place easily; when floor is higher; the transmission image is relatively poor, the technical matters that can not monitor in real time construction safety.
For achieving the above object; the utility model adopts following technical scheme: a kind of building hoist safety guard-safeguard and device for monitoring running state, it comprises, and programmable controller, frequency converter, control main board, pulling force sensor, weighing controller, the anti-sensor of rushing to summit, safety are spacing, operation keyboard, Liquid Crystal Display (LCD), sound prompt device are formed.
The signal output part of pulling force sensor is connected with the signal input part of weighing controller, the signal input part of programmable controller is connected with frequency converter, weighing controller, the anti-sensor of rushing to summit, safety signal output part spacing, operation keyboard, the serial communication interface of Programmable Logic Controller is connected with the signal input part of control main board, and the control main board signal output part is connected with the signal input part of Liquid Crystal Display (LCD), sound prompt device.
Described pulling force sensor is two ring-plate pulling force sensors, and two rings of ring-plate pulling force sensor are connected with the cage bearing pin with the drive plate bearing pin of building hoist respectively.
Pulling force sensor: the device that physical signalling is changed into measurable electric signal output.
Frequency converter: the electric energy control device that is used for power frequency supply is transformed to another frequency.
Control main board: the calculating that safety factor and running state are carried out, and output result.
Operation keyboard: be the ten key dish, the selected floor that will reach.
Liquid Crystal Display (LCD): be used to show load proportion, destination layer, show and the state of limit switch when anterior layer, elevator running state, cage position proportional.
Sound prompt device: be used at overflow, hypervelocity, limit switch fault, roof fall switch fault, select output alarm and true man's voice suggestion under the situation of fault mistake, equipment operation fault or personnel's maloperation.
The signal output part of the described anti-sensor of rushing to summit is connected with signal amplifier, the signal output part of signal amplifier is connected with the signal input part of pole winding, the signal output part of pole winding is connected with the signal input part of oscillating circuit, the signal output part of oscillating circuit is connected with the signal input part of demodulator, the signal output part of demodulator is connected with the signal input part of binary pair, and the signal output part of binary pair is connected with the power control system of the drive motor of building hoist by the output drive terminal.
Compared with prior art the utlity model has following characteristics and beneficial effect: the utility model comprises Liquid Crystal Display (LCD), control main board, programmable controller and various sensor composition.Can show the mode of operation of each safe limit switch by the various operational factors of Liquid Crystal Display (LCD) Real time dynamic display elevator and with its storing memory, can also write down and show the fault of electric control system and send true man's audio alert prompting etc.
Described worker's elevator safety guard-safeguard and device for monitoring running state by Liquid Crystal Display (LCD) can the Real time dynamic display cage reality that both pictures and texts are excellent the state of load carrying ability, running velocity, operation height, each limit switch and information such as residing stop, and with various kinematic parameter memory storages.
The utility model can be stated on the basis of displaying contents in realization, at overflow, hypervelocity, limit switch fault, roof fall switch fault, select output alarm and true man's voice suggestion under the situations such as fault mistake, equipment operation fault or personnel's maloperation, the handled easily personnel understand position of fault and reason, and the information of its recording storage is convenient to the working hours and the fault of ex-post analysis development plant simultaneously.
Described building hoist safety guard-safeguard and device for monitoring running state can write down the content of fault that elevator occurs and operator's maloperation, so that inquiry and monitoring.
Elevator control unit (PLC) is by various sensors, measuring instrument, limit switch, equipment such as choosing layer keyboard obtain the various safety factors and the running state of elevator self, and send data to monitoring device control unit (MCU), monitoring device control unit (MCU) carries out corresponding calculated with safety factor and running state, and net result is shown to above the liquid crystal display module, simultaneously for information such as the mistake of elevator self and maloperations, monitoring device control unit (MCU) adopts the high-level excellent technology of broadcasting to carry out true man's phonic warning according to importance information.
The utility model can be applicable to various building hoists.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is Liquid Crystal Display (LCD) of the present utility model show state scheme drawing when elevator moves.
Fig. 2 is Liquid Crystal Display (LCD) of the present utility model show state scheme drawing when elevator is static.
Fig. 3 is a device scheme drawing of the present utility model.
Fig. 4 is a principle schematic of the present utility model.
Fig. 5 is the sound circuit of the utility model control main board.
Fig. 6 is the governor circuit of the utility model control main board.
Fig. 7 is the serial ports level shifting circuit of the micro controller system of the utility model control main board.
Fig. 8 is the installation site scheme drawing of the anti-overload and the protector of weighing.
Fig. 9 is the A point enlarged drawing of Fig. 5.
Figure 10 is the structural representation between pulling force sensor, drive plate and the cage.
Figure 11 is an anti-roof fall Unit Installation position schematic side view.
Figure 12 is the anti-principle of work scheme drawing that emits ejection device.
Reference numeral: 1-drive plate bearing pin, 2-ring-plate pulling force sensor, 3-cage bearing pin, 4-elevator guide rails, 5-drive plate, 6-drive motor, 7-elevator craning cage, 8-AC type are near switch.
The specific embodiment
Referring to Fig. 1, shown in Figure 2, the displaying contents of the Liquid Crystal Display (LCD) of monitoring of the present utility model: 1, with figure and numeric display load carrying ability: there is the load carrying ability scheme drawing in the telltale left side, the weight loading that shows present cage with graph direct, the rigorous data that shows detailed gross deadweight simultaneously, when arriving Maximum Loading Capacity, output alarm and true man's voice suggestion.
2, use the operation height of figure and numeric display elevator: when arriving maximum height, output alarm and true man's voice suggestion.
3, the running velocity value that shows elevator: a hypervelocity value is set on this device, and this hypervelocity value is less than the responsiveness value of hoist falling-proof safety, greater than specified running velocity value.When the running velocity value of elevator reached the hypervelocity value, this device can be controlled the out of service and true man's audio alert of cage.
4, the state that shows safe limit switch: show for the operator clearly with figure: access doors, exit door, day window, emit ejection device, up and down spacing, slow down spacing up and down and state such as frequency converter.Do not close the door or during switch fault output alarm and true man's voice suggestion at operating personal.As shown in Figure 2, a day window is shown as to be opened, and the big figure of elevator shows that the sky window on its top is in open mode.Left-hand door is shown as closes, and the big figure of elevator shows that its left-hand door is in closed condition.
5, layer digital is selected in demonstration: adopt the ten key dish, can select the destination and the demonstration that will arrive arbitrarily.
6, show current floor: the current floor numeral that shows elevator with big font.Preestablish the optional largest floor number of plies, when automatic leveling, if the number of floor levels that the operator selects surpasses when maximum number of floor levels is set, this device can select the invalid warning of layer and true man's voice suggestion.
7, the running state that shows current elevator: the rising arrow represents that elevator is in the state of rising, and equal sign represents that elevator is in the state that stops.
8, show the cage position: the telltale right side shows that in proportion cage is in the position of floor.
Can write down the content of fault that elevator occurs and operator's maloperation.
Referring to shown in Figure 3; this building hoist safety guard-safeguard and device for monitoring running state, it comprises, and programmable controller, frequency converter, control main board, pulling force sensor, weighing controller, the anti-sensor of rushing to summit, safety are spacing, operation keyboard, Liquid Crystal Display (LCD), sound prompt device are formed.
The signal output part of pulling force sensor is connected with the signal input part of weighing controller, the signal input part of programmable controller is connected with frequency converter, weighing controller, the anti-sensor of rushing to summit, safety signal output part spacing, operation keyboard, the serial communication interface of Programmable Logic Controller is connected with the signal input part of control main board, and the control main board signal output part is connected with the signal input part of Liquid Crystal Display (LCD), sound prompt device.
Described pulling force sensor 2 is two ring-plate pulling force sensors, and two rings of ring-plate pulling force sensor are connected with cage bearing pin 3 with the drive plate bearing pin 1 of building hoist respectively.
Pulling force sensor: the device that physical signalling is changed into measurable electric signal output.
Frequency converter: the electric energy control device that is used for power frequency supply is transformed to another frequency.
Control main board: the calculating that safety factor and running state are carried out, and output result.
Operation keyboard: be the ten key dish, the selected floor that will reach.
Liquid Crystal Display (LCD); Be used to show load proportion, destination layer, show and the state of limit switch when anterior layer, elevator running state, cage position proportional.
Sound prompt device: be used at overflow, hypervelocity, limit switch fault, roof fall switch fault, select output alarm and true man's voice suggestion under the situation of fault mistake, equipment operation fault or personnel's maloperation.
Referring to shown in Figure 4, realization functional block diagram of the present utility model, elevator control unit (PLC) is by various sensors, coder, weighing instrument, limit switch, equipment such as choosing layer keyboard obtain the various safety factors and the running state of elevator self, and send data to monitoring device control unit (MCU), the monitoring device control unit carries out corresponding calculated with safety factor and running state, and net result is shown to above the liquid crystal display module, simultaneously for information such as the mistake of elevator self and maloperations, the monitoring device control unit adopts the high-level excellent technology of broadcasting according to importance information, and signal is passed to the sound alarm device and carried out true man's phonic warning.
Referring to shown in Figure 5, the U1 of control main board and U3 constitute sound circuit.Speech chip adopts ISD4002, adopts the operating voltage of 5.0v, through receiving 18,27 pin behind the light-emitting diode that is used as power light, and adds the decoupling capacitor of 0.1uF, and ground wire (VSSA, VSSD) is ground connection directly.Single-ended input is adopted in the audio frequency input, so with ISD400217 foot meridian capacitor C8 ground connection, 2 pin of 16 foot meridian capacitor C9 and P7 link to each other, and import as audio frequency.Do not use external clock, so the direct ground connection of XCLK pin.U1 is that LM386 is used as audio frequency power amplifier, adopts single-ended input, so homophase input pin 3 is received the mouth of ISD4002 by potential device R2 and coupling capacitance C4, the anti-phase input pin 2 of U1 directly gets final product with receiving.Gain pin GAIN and BYP pin are unsettled can be received on the audio output port P2 through coupling capacitance C3 by output pin 5.
Referring to shown in Figure 6, U2 is a main control chip, adopts the STC89C52 chip of macrocrystalline science and technology.The 9 pin RESET of U2 are reset pin, according to electrification reset thinking connecting resistance electric capacity reset circuit.Supply pin VCC receives+5, and by the 0.1uF decoupling capacitor to ground.The P1 mouth of micro controller system is used to drive ISD4002 chip sounding and simulation RS232 serial ports.P0 mouth and P2 mouth are standby as reserving expansion.External interrupt INT0 and INT1 are used to obtain the interruption of ISD4002.RXD and TXD receive on the MAX232 as burning program pin and main serial ports pin.
Referring to shown in Figure 7, U5 is used for burning program and serial communication with the serial ports level shifting circuit of MAX232ESE as micro controller system, and electric capacity is 0.1uF here, and different 232 chips should be with reference to the typical application circuit of chip data.P9 is 232 mouthfuls of expansions, and P8 is the mcu programming pin.
Referring to Fig. 8-shown in Figure 10; the anti-overload of this building hoist and the protector of weighing; comprise the pulling force sensor and the controller that are installed on building hoist; described pulling force sensor is two ring-plate pulling force sensors 2, and two rings of ring-plate pulling force sensor are connected with cage bearing pin 3 with the drive plate bearing pin 1 of building hoist respectively.The cage bearing pin is captiveed joint with the hanger of elevator craning cage, connect drive motor 6 on the drive plate 5, drive plate 5 is connected with elevator guide rails 4 guiding with elevator craning cage 7, and driven wheel is fixed on the tooth bar of elevator guide rails, and cage is suspended on the drive plate by 2 pulling force sensor plates.Install simply hang and installation site like this, has overcome the shortcoming that needs direction of pin type sensor, does not need to proofread and correct again and set after dismounting, can all around move, and becomes the mono-pulling force.
Referring to shown in Figure 11, this building hoist is anti-to emit ejection device, comprises an electric switch, and this electric switch is positioned near the upper end of elevator guide rails 4, and its lead-out terminal is connected with the power control system of drive motor 6.When AC type arrived guide rail near inductive switching, AC type was near switch closure, and the motor rotation elevator moves up and down; When monitoring after the elevator topmost exceeds the guide rail bracket top, during less than guide rail, AC type disconnects near switch AC type immediately, cuts off the main power source of elevator near inductive switching, and motor can not turn round, and elevator stops operation.The anti-ejection device that emits has been filled up the blank that elevator removes standing upper limit, the alternate safety means the limes superiors fender guard, is the effectively additional of the existing safety device of present elevator.
Referring to shown in Figure 12, electric switch be AC type near switch 2, AC type comprises anti-sensor, signal amplifier, pole winding, oscillating circuit, demodulator, binary pair and the output drive terminal of rushing to summit near switch 8.The signal output part of the described anti-sensor of rushing to summit is connected with signal amplifier, the signal output part of signal amplifier is connected with the signal input part of pole winding, the signal output part of pole winding is connected with the signal input part of oscillating circuit, the signal output part of oscillating circuit is connected with the signal input part of demodulator, the signal output part of demodulator is connected with the signal input part of binary pair, and the signal output part of binary pair is connected with the power control system of the drive motor 6 of building hoist by the output drive terminal.
Claims (2)
1. building hoist safety guard-safeguard and device for monitoring running state is characterized in that: it comprises, and programmable controller, frequency converter, control main board, pulling force sensor, weighing controller, the anti-sensor of rushing to summit, safety are spacing, operation keyboard, Liquid Crystal Display (LCD), sound prompt device are formed;
The signal output part of pulling force sensor (2) is connected with the signal input part of load-bearing controller, the signal input part of programmable controller is connected with frequency converter, weighing controller, the anti-sensor of rushing to summit, safety signal output part spacing, operation keyboard, the serial communication interface of Programmable Logic Controller is connected with the signal input part of control main board, and the control main board signal output part is connected with the signal input part of Liquid Crystal Display (LCD), sound prompt device;
Described pulling force sensor (2) is two ring-plate pulling force sensors, and two rings of ring-plate pulling force sensor are connected with cage bearing pin (3) with the drive plate bearing pin (1) of building hoist respectively;
Pulling force sensor: the device that physical signalling is changed into measurable electric signal output;
Frequency converter: the electric energy control device that is used for power frequency supply is transformed to another frequency;
Control main board: the calculating that safety factor and running state are carried out, and output result;
Operation keyboard: be the ten key dish, the selected floor that will reach;
Liquid Crystal Display (LCD): be used to show load proportion, destination layer, show and the state of limit switch when anterior layer, elevator running state, cage position proportional;
Sound prompt device: be used at overflow, hypervelocity, limit switch fault, roof fall switch fault, select output alarm and true man's voice suggestion under the situation of fault mistake, equipment operation fault or personnel's maloperation.
2. building hoist safety guard-safeguard according to claim 1 and device for monitoring running state; it is characterized in that: the signal output part of the described anti-sensor of rushing to summit is connected with signal amplifier; the signal output part of signal amplifier is connected with the signal input part of pole winding; the signal output part of pole winding is connected with the signal input part of oscillating circuit; the signal output part of oscillating circuit is connected with the signal input part of demodulator; the signal output part of demodulator is connected with the signal input part of binary pair, and the signal output part of binary pair is connected with the power control system of the drive motor (6) of building hoist by the output drive terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202428482U CN201737546U (en) | 2010-06-30 | 2010-06-30 | Safety protection and running state monitoring device for construction hoist |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202428482U CN201737546U (en) | 2010-06-30 | 2010-06-30 | Safety protection and running state monitoring device for construction hoist |
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| CN201737546U true CN201737546U (en) | 2011-02-09 |
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| CN2010202428482U Expired - Fee Related CN201737546U (en) | 2010-06-30 | 2010-06-30 | Safety protection and running state monitoring device for construction hoist |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102381605A (en) * | 2011-09-14 | 2012-03-21 | 西安国邦实业有限公司 | Intelligent monitoring system for constructional lifter |
| CN102417129A (en) * | 2011-09-21 | 2012-04-18 | 上海市建筑科学研究院(集团)有限公司 | Dynamic safety monitoring device of brake and monitoring method |
| CN102491141A (en) * | 2011-11-08 | 2012-06-13 | 山东科邦自动化工程有限公司 | Programmable logic controller (PLC) redundancy control device for alternating current variable-frequency hoister |
| CN103193141A (en) * | 2013-04-15 | 2013-07-10 | 无锡市崇安区科技创业服务中心 | Elevator car |
| CN103449272A (en) * | 2013-10-08 | 2013-12-18 | 苏州德奥电梯有限公司 | Lift car |
| CN103640942A (en) * | 2013-11-23 | 2014-03-19 | 湖北江汉建筑工程机械有限公司 | Lifter overload protection device and fault diagnosis method |
| CN104627768A (en) * | 2014-12-09 | 2015-05-20 | 廊坊凯博建设机械科技有限公司 | Construction elevator safety protection device and method |
| CN105759697A (en) * | 2016-04-29 | 2016-07-13 | 沈阳仪表科学研究院有限公司 | Informatization monitoring management system for elevator |
| CN107522040A (en) * | 2016-06-17 | 2017-12-29 | 通力股份公司 | Redundant safety circuit |
| CN107954289A (en) * | 2017-10-31 | 2018-04-24 | 浙江升航电子科技有限公司 | A kind of construction elevator safety protection control system |
| CN109319610A (en) * | 2018-12-13 | 2019-02-12 | 刘沃鸿 | A kind of accessible elevating platform |
| CN110482344A (en) * | 2019-08-27 | 2019-11-22 | 山东奔速电梯股份有限公司 | A kind of home lift and its protection control method |
| CN112320512A (en) * | 2020-10-28 | 2021-02-05 | 苏州利贤电子有限公司 | Control system of construction elevator |
| CN115258870A (en) * | 2022-08-03 | 2022-11-01 | 中国十七冶集团有限公司 | Safety intelligent anti-falling early warning system for high-rise building construction elevator and implementation method |
| CN116430782A (en) * | 2023-04-17 | 2023-07-14 | 山东万群信息技术有限公司 | Circuit control board for construction elevator safety monitoring system hardware |
| CN116859816A (en) * | 2023-09-04 | 2023-10-10 | 中国长江电力股份有限公司 | Intelligent human-computer interface system |
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2010
- 2010-06-30 CN CN2010202428482U patent/CN201737546U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102381605A (en) * | 2011-09-14 | 2012-03-21 | 西安国邦实业有限公司 | Intelligent monitoring system for constructional lifter |
| CN102417129A (en) * | 2011-09-21 | 2012-04-18 | 上海市建筑科学研究院(集团)有限公司 | Dynamic safety monitoring device of brake and monitoring method |
| CN102491141A (en) * | 2011-11-08 | 2012-06-13 | 山东科邦自动化工程有限公司 | Programmable logic controller (PLC) redundancy control device for alternating current variable-frequency hoister |
| CN102491141B (en) * | 2011-11-08 | 2013-11-20 | 山东科邦自动化工程有限公司 | Programmable logic controller (PLC) redundancy control device for alternating current variable-frequency hoister |
| CN103193141A (en) * | 2013-04-15 | 2013-07-10 | 无锡市崇安区科技创业服务中心 | Elevator car |
| CN103449272B (en) * | 2013-10-08 | 2015-12-23 | 苏州德奥电梯有限公司 | Lift car |
| CN103449272A (en) * | 2013-10-08 | 2013-12-18 | 苏州德奥电梯有限公司 | Lift car |
| CN103640942B (en) * | 2013-11-23 | 2016-04-13 | 湖北江汉建筑工程机械有限公司 | A kind of data correcting method of overload protector for elevators |
| CN105329734A (en) * | 2013-11-23 | 2016-02-17 | 湖北江汉建筑工程机械有限公司 | Sensing pin roll fault diagnosis method for lifter overload protective device |
| CN103640942A (en) * | 2013-11-23 | 2014-03-19 | 湖北江汉建筑工程机械有限公司 | Lifter overload protection device and fault diagnosis method |
| CN104627768A (en) * | 2014-12-09 | 2015-05-20 | 廊坊凯博建设机械科技有限公司 | Construction elevator safety protection device and method |
| CN105759697A (en) * | 2016-04-29 | 2016-07-13 | 沈阳仪表科学研究院有限公司 | Informatization monitoring management system for elevator |
| CN107522040A (en) * | 2016-06-17 | 2017-12-29 | 通力股份公司 | Redundant safety circuit |
| CN107954289A (en) * | 2017-10-31 | 2018-04-24 | 浙江升航电子科技有限公司 | A kind of construction elevator safety protection control system |
| CN109319610A (en) * | 2018-12-13 | 2019-02-12 | 刘沃鸿 | A kind of accessible elevating platform |
| CN110482344A (en) * | 2019-08-27 | 2019-11-22 | 山东奔速电梯股份有限公司 | A kind of home lift and its protection control method |
| CN112320512A (en) * | 2020-10-28 | 2021-02-05 | 苏州利贤电子有限公司 | Control system of construction elevator |
| CN115258870A (en) * | 2022-08-03 | 2022-11-01 | 中国十七冶集团有限公司 | Safety intelligent anti-falling early warning system for high-rise building construction elevator and implementation method |
| CN115258870B (en) * | 2022-08-03 | 2023-09-29 | 中国十七冶集团有限公司 | Safe and intelligent anti-falling early warning system of high-rise building construction lifter and implementation method |
| CN116430782A (en) * | 2023-04-17 | 2023-07-14 | 山东万群信息技术有限公司 | Circuit control board for construction elevator safety monitoring system hardware |
| CN116859816A (en) * | 2023-09-04 | 2023-10-10 | 中国长江电力股份有限公司 | Intelligent human-computer interface system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20190630 |