CN103508281B - A kind of acoustic signal collection device of elevator and method of work thereof - Google Patents
A kind of acoustic signal collection device of elevator and method of work thereof Download PDFInfo
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- CN103508281B CN103508281B CN201310499597.4A CN201310499597A CN103508281B CN 103508281 B CN103508281 B CN 103508281B CN 201310499597 A CN201310499597 A CN 201310499597A CN 103508281 B CN103508281 B CN 103508281B
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Abstract
The present invention relates to a kind of acoustic signal collection device of elevator and method of work thereof, it integrates audible signal and visual signal and without the need to increasing associated electronic circuits, the integrated apparatus of installations and facilities and audible signal acquisition method thereof outside elevator display apparatus in addition.Overcome sense of hearing acquisition of signal in prior art and need rely on hardware harvester+physical connection circuit+external voice box, or rely on the problem that control system communications protocol realizes audible signal collection.It comprises central process unit, and described central process unit is connected with elevator communication administration module, and simultaneously central process unit is also with Flash vision memory module with can write sense of hearing memory module and be connected; Central process unit by driver module and voice unit, the respectively LCDs of drive installation in elevator and boombox.
Description
Technical field
The present invention relates to a kind of acoustic signal collection device of elevator and method of work thereof.
Background technology
Elevator user wishes when riding elevator, can obtain the dual signal of vision and the sense of hearing, with perception elevator operation and location information thereof usually.Special or in emergency circumstances at some, in the elevator that such as accessible occasion uses and elevator malfunction situation, having the important embodiment that the sense of hearing and visual signal are human design of traffic facilities theories, is also one of essential technical safety measures of elevator.Elevator and passenger-goods lift special applications the 70th part in EN81-70:2003 " elevator manufacture and installation safety standard ": GB/T24477-2009 " being applicable to the elevator additional requirement of disability personnel " the 5th chapter of the accessibility and this standard of IDT that comprise the elevator of disability librarian use has clear stipulaties to this.
Above-mentioned requirements all relates to the collection of elevator audible signal.
The method of existing techniques in realizing above-mentioned requirements and measure thereof are divided into two large classes substantially.
One, lift facility installs signal pickup assembly.Common acquisition method has rotary encoder collection, hoistway magnetic induction or optoelectronic induction collection, the collection of stop display panel etc.When elevator runs certain position of arrival, the device that the light electrical or magnetic signal that induction installation and reflective devices or contact are launched is installed in hoistway internal fixtion position stopped, thus generation on-off model, by facilities such as physical connection electric wire, speech electronic circuit, multi-media sound system equipment, loud speakers, audible signal such as sound broadcast can send, also can use storage chip, in running process of elevator, play background music or speech advertising.
Its two, the open communications protocol of the manufacturer of apparatus for controlling elevator must be relied on.Voice signal is from the computer main board of apparatus for controlling elevator or car stop PORT COM.Speech processing system is generally central process unit and connects driver module if fpga chip and memory module are as FLASH chip etc. as ARM chip, then exports auditory information by loud speaker.In such cases, if do not have communications protocol, then the collection of voice signal just must be realized by first method (by decoding communications protocol, also can realize the collection of voice signal, but may be accused of the intellectual property invading other people).
, there is the following problem had much room for improvement in the elevator audible signal acquisition method of prior art and device thereof:
1. the prior art first kind: the special hardware unit and the physical connection that gather audible signal be had, along with elevator runs up and down, the motion of these devices and line are bent repeatedly very easily causes short circuit, short circuit and contact failure, causes increasing of elevator faults even to become accident source thus.Not only running to elevator causes potential safety hazard also to make elevator acquisition cost increase, and also brings more troubles to maintenance.
2. prior art Equations of The Second Kind: because control system protocol type is a lot, producer's generally not opening, so the compatibility of series products is bad, limits popularity, this forms obstacle for rescue in emergency circumstances or remote monitor and control.As, the elevator that certain community has different manufacturers to manufacture, because communication is totally different, is difficult to the intelligent centralized management realizing full residential elevator.Thus, working service and handling cost high.In the same way, if be amplified to larger area division, this " information island " is difficult to estimate by making the social management cost of elevator.
Summary of the invention
Object of the present invention is exactly for solving the problem, provide a kind of harvester and method of work thereof of elevator audible signal, this device, on the basis of existing technology (disclosed in the authorized patent of invention ZL201110090184.1 of applicant a kind of elevator faults testing and alarm devices and methods therefor), realizes elevator audible signal integrated with the acquisition and display of visual signal.This devices and methods therefor is without the need to arranging hardware separately as the connection such as inductor, physical connection and balancing boom device, the collection that elevator runs each operating mode audible signal and visual signal can synchronously realize, and by the audible signal of voice real-time broadcasting elevator operation.
For achieving the above object, the present invention adopts following technical scheme:
A kind of acoustic signal collection device of elevator, it comprises central process unit, and described central process unit is connected with elevator communication administration module, and described elevator communication administration module and elevator run communication data line and be connected; Simultaneously central process unit is also with Flash vision memory module with can write sense of hearing memory module and be connected, described Flash memory module is connected with driver module, the described sense of hearing memory module that writes is connected with voice micro controller system, and described driver module and voice micro controller system drive read out instrument and boombox respectively; Central process unit sets up restriction relation according to certain rule with each node of elevator operating condition (the IP address code as certain layer of stop layers), pre-determines the calibrating parameters in floor position and direction; Central process unit receives the communication data from communication management module, makes communication data and calibrating parameters set up corresponding relation; Because modem elevator controls to stop, what substantially adopt is distance principle, therefore an elevator is once be arranged among certain building hoistway, and its floor position can not change, and elevator is unique physical quantity to its communication data the sent during position specified.Thus, calibrated data can become the command source of elevator audible signal after preserving.When elevator runs, central process unit sends instruction according to the data received to driver module and voice one-chip computer module simultaneously, realizes the synchronous driving of visual signal and audible signal.
Described voice micro controller system is connected with power amplification circuit, drives boombox by power amplification circuit.
Described central process unit and voice micro controller system adopt three line serial ports time schedule control to carry out data transmission.
Described Flash memory module and visual information and the auditory information that can write the preset elevator operation of sense of hearing memory module difference, as sound broadcast and background music etc.
A kind of method of work of acoustic signal collection device of elevator, its process is: central process unit sets up restriction relation according to certain rule with each node of elevator operating condition, pre-determine the calibrating parameters in floor position and direction, when elevator runs, central process unit receives the communication data from communication management module, elevator communication data and calibrating parameters are demarcated by the method for data self study, make communication data and calibrating parameters set up corresponding relation; Central process unit calls described Flash vision memory module by instant operating mode and can write the information about elevator current state in sense of hearing memory module, send instruction to driver module and voice micro controller system simultaneously, realize the display of visual information and the broadcasting of auditory information.
Concrete operating mode situation is as follows:
Operating mode 1: when elevator normally runs, default is normal operating condition by central process unit in predetermined patterns, central process unit calls the central visual information about elevator current state of Flash vision memory module and can write corresponding auditory information in sense of hearing memory module, and send instruction to driver module, driver module drives read out instrument work, completes the display of elevator position and service direction; Meanwhile, central process unit sends instruction according to predetermined rule to voice unit, drives boombox to play corresponding audible signal by power amplification circuit.
Operating mode 2: elevator arrives certain layer and stops, is set as that event 1 occurs; Now, the normal operation mode of system is interrupted, and proceeds to stop layers pattern; Now, according to pre-defined rule, central process unit calls the visual information about elevator current state in the middle of Flash vision memory module, drives the information that stops of read out instrument display current floor; Meanwhile, central process unit calls and can write corresponding auditory information in sense of hearing memory module, sends instruction, play corresponding audible signal by power amplification circuit and loud speaker to voice micro controller system.
Operating mode 3: stop ladder with elevator faults and be parked in non-onlocking zone to regard as Lift out of order, be set as that event 2 occurs, enter alarm condition; Now, central process unit interrupts normal operating condition, and according to elevator state now, central process unit calls the central visual information about elevator current state of Flash vision memory module and can write corresponding auditory information in sense of hearing memory module, and send instruction to driver module, driver module drives read out instrument work, completes the display of elevator faults state; Meanwhile, central process unit sends instruction according to predetermined rule to voice unit, drives boombox to play corresponding audible signal by power amplification circuit.
After event 1, event 2 are removed, system recovers normal operating condition automatically.
The method of described data self study runs realization in order up and down by elevator; In running process of elevator, each operating mode communication data is supplied to central process unit by communication management module, and according to certain rule and calibrating parameters one_to_one corresponding, preserve successfully, self study completes.
The sound level (distance sound source 1m place is measured) between 35dB < A > to 65dB < A > of described auditory information.
The invention has the beneficial effects as follows:
1. compared with prior art, this method achieves digital collection and the control of elevator audible signal, without the need to arranging hardware and physical connection system separately, greatly can simplify configuration and the manufacturing cost of elevator, what especially eliminate that professional safeguards to site installation test ties down (as the periodic cleaning of contact system, the open circuit that circuit causes, short circuit), this is rare for professional, labour cost day by day Gao Qi instantly, there is positive effect.
2. the present invention does not rely on the communication system of equipment itself, wider elevator centralized management can be realized, especially, under Internet of Things condition, break through " information island " of the totally different formation of communications protocol, the concentrated telemanagement of lift facility can be made by not becoming possibility.This for elevator run security control, interconnecting has far-reaching social effect.
3. the present invention is based on existing patented technology, integrated with read out instrument, warning device, be easy to realize batch micro operations and standardized production, be conducive to marketing, be conducive to reducing costs, energy-saving and emission-reduction.
4. pair old Retrofit of Elevator has positive effect.Elevator runs about 10-15 and enters the transformation phase, and the different elevator of past a lot of control system is as import elevator, and the product difficulty of searching distribution type is very large, utilize the present invention, can avoid the technology barriers of being correlated with, this is for reduction improvement cost, saving utilizes resource, has positive effect.
5. audible signal and visual signal electronic circuit and components and parts are integrated is arranged on same pcb board, utilize same device to realize the display of elevator visual signal and the broadcasting of audible signal simultaneously, be conducive to promoting, use, safeguard, change.
6. elevator signal read out instrument of the present invention, audible signal and visual signal collection and export can be integrated in a device (one piece of PCB electronic circuit board), avoid the collection of prior art audible signal and need rely on hardware unit, form voice system as induction installation+connection line+control setup+loud speaker or rely on the drawback that apparatus for controlling elevator gathers audible signal.
Accompanying drawing explanation
Fig. 1 is system architecture diagram of the present invention;
Fig. 2 is control flow chart of the present invention;
Fig. 3 is central process unit electrical schematic diagram;
Fig. 4 (a) is elevator communication and debugging electrical schematic diagram;
Fig. 4 (b) is communication management modular electrical schematic diagram;
Fig. 5 is that FPGA drives electrical schematic diagram;
Fig. 6 (a) is speech chip and power amplifier electrical schematic diagram;
Fig. 6 (b) is USB download online circuit;
Fig. 7 is read out instrument electrical schematic diagram.
Wherein, 1. central process unit, 2. elevator communication administration module, 3.Flash vision memory module, 4.FPGA driver module, 5. voice micro controller system, 6. can write sense of hearing memory module, 7.TFT LCDs, 8. power amplification circuit, 9. boombox.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention will be further described.
As shown in Figure 1, a kind of acoustic signal collection device of elevator, it comprises central process unit 1, and described central process unit 1 is connected with elevator communication administration module 2, and described elevator communication administration module 2 and elevator run communication data line (being called communication data) and be connected.Central process unit 1 sets up restriction relation according to certain rule with each node of elevator operating condition (the IP address code as certain layer of stop layers), pre-determines the parameter (being called calibrating parameters) in floor position and direction.When the elevator is run, central process unit 1 receives the communication data from communication management module 2, carries out correlation analysis also can be described as data scaling with calibrating parameters.In concrete enforcement, allow elevator carry out when running first " data self study ", that is, the successively upper and lower operation of elevator whole process once, makes communication data and calibrating parameters set up corresponding relation.At this moment, the communication data in each floor position, direction is just with calibrating parameters one_to_one corresponding.Because modem elevator controls to stop, what substantially adopt is distance principle, therefore an elevator is once be arranged among certain building hoistway, and its floor position can not change, elevator to during the position specified its to send communication data be unique physical quantity.Thus, calibrated data can become the command source of elevator audible signal after preserving.
The method of data self study runs realization in order up and down by elevator; In running process of elevator, each operating mode communication data is supplied to central process unit 1 by communication management module 2, and according to certain rule and calibrating parameters one_to_one corresponding, preserve successfully, self study completes.
Simultaneously central process unit 1 is also with Flash vision memory module 3 with can write sense of hearing memory module 6 and be connected, described Flash memory module 3 is connected with FPGA driver module 4, the described sense of hearing memory module 6 that writes is connected with voice micro controller system 5, described FPGA driver module 4 and voice micro controller system 5 drive TFT LCDs 7 and boombox 9 respectively; Central process unit 1 is according to the data of the elevator communication administration module 2 received, the information called described Flash vision memory module 3 and can write about elevator current state in sense of hearing memory module 6, send instruction to FPGA driver module 4 and voice micro controller system 5 simultaneously, realize the synchronous driving of visual signal and audible signal.
Described voice micro controller system 5 is connected with power amplification circuit 8, drives boombox 9 by power amplification circuit 8.
Described central process unit 1 adopts three line serial ports time schedule control to carry out data transmission with voice micro controller system 5.
Described Flash memory module 3 with can write sense of hearing memory module 6 respectively the visual information run of preset elevator if numeral, word, figure and auditory information are as background music, sound broadcast etc.
As shown in Figure 2, central process unit 1 carries out data scaling to the data of the elevator communication received, by the information that instant operating mode is called described Flash vision memory module 3 and can be write about elevator current state in sense of hearing memory module 6, send instruction to FPGA driver module 4 and voice micro controller system 5 simultaneously, realize the transmission of visual signal and audible signal.Central process unit 1 and voice micro controller system 5 adopt three line serial ports time schedule control to carry out data exchange, when the variation characteristic parameter receiving elevator communication data be stop layers or fault time, central process unit 1 sends two instructions simultaneously, article one, instruction is for controlling visual signal, and an instruction is for controlling audible signal.TFT LCDs 7 is while display stop layers numeral or directional arrow visual signal, and boombox 9 is reported and arrived at a station and direction voice signal; Meet disorderly closedown, TFT LCDs 7 can show fault status signal and console voice signal with rescue is waiting.
Concrete operating mode situation is as follows:
Operating mode 1: when elevator normally runs, default is normal operating condition by central process unit 1 in predetermined patterns, central process unit 1 to call in the middle of Flash vision memory module 3 about the visual information of elevator current state and the auditory information that can write in the middle of sense of hearing memory module 6 as background music, and send instruction to FPGA driver module 4, FPGA driver module 4 drive TFT LCDs 7 works, and completes the display of elevator position and service direction; Meanwhile, central process unit 1 sends instruction according to predetermined rule to voice micro controller system 5, drives boombox 9 by power amplification circuit 8.
Operating mode 2: elevator arrives certain layer and stops, is set as that event 1 occurs; Now, the normal operation mode of system is interrupted, and proceeds to stop layers pattern.Now, according to pre-defined rule (certain calibrating parameters is converted to electric signal), central process unit 1 calls the visual information about elevator current state in the middle of Flash vision memory module 3, and sending instruction to FPGA driver module 4, drive TFT LCDs 7 completes the display of elevator parking position and service direction; Meanwhile, central process unit sends instruction according to predetermined rule to voice micro controller system 5 module, drives boombox 9 to send voice messaging according to the IP address code of correspondence, as " 2nd floors, arrive, up ".After elevator completes action of closing the door, central process unit recovers normal and runs, and proceeds to operating mode 1 state.
Operating mode 3: Lift out of order, enters alarm condition.Definition about fault: elevator breaks down and is parked in non-onlocking zone (elevator faults is parked in onlocking zone, because the vertical distance of car floor and floor ground is little, common people can be easy to away, therefore elevator design standard allows in the case, and personnel can open the door escape in car.EN81-1:1998 the 3rd chapter defines, and 3.32 onlocking zones refer to, (elevator) " one section of region of the upper and lower extension in stop layers ground, car can make the layer door of this layer unblank in this region ".7.7.1:(elevator) " when normally running, layer door can not be opened, unless car has stopped in the onlocking zone of this layer of door or in position of stopping.Onlocking zone should not exceed the upper and lower 0.2m in stop ground ".Given this, the present invention stops ladder with elevator faults and is parked in the design input that non-onlocking zone is startup of reporting to the police).
Lift out of order, is set as that event 2 occurs, enters alarm condition.Now, central process unit 1 interrupts normal operating condition, according to predetermined rule, call the visual information about elevator current state in the middle of Flash vision memory module 3, and send instruction to FPGA driver module 4, FPGA driver module 4 drive TFT LCDs 7 works, and completes the display of elevator faults state; Meanwhile, central process unit 1 sends instruction according to predetermined rule to voice micro controller system 5, drives boombox 9 to broadcast audible signal by power amplification circuit 8, as " elevator faults, please stay calm, and rescue group comes you at one's side " at once.
After event 1, event 2 are removed, system recovers normal operating condition automatically.
Wherein, the sound level of audible signal (distance sound source 1m place is measured) between 35dB < A > to 65dB < A >.
It is as shown in the table that process example is analyzed and demarcated to data under voice:
As shown in Fig. 3-Fig. 7, central process unit 1 selects ARM microcontroller LPC11C14; Described driver module selects FPGA to drive 4; The model of described voice micro controller system 5 is WT588D; Voice micro controller system 5 is connected with power amplification circuit 8, drives boombox 9 by power amplification circuit 8; Central process unit 1 and voice micro controller system 5 adopt three line serial ports time schedule control to carry out data transmission; Flash memory module 3 and visual information and the auditory information that can write the preset elevator operation of sense of hearing memory module 6 difference.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (8)
1. an acoustic signal collection device of elevator, is characterized in that, it comprises central process unit, and described central process unit is connected with elevator communication administration module, and described elevator communication administration module and elevator run communication data line and be connected; Simultaneously central process unit is also with Flash vision memory module with can write sense of hearing memory module and be connected, described Flash vision memory module is connected with driver module, the described sense of hearing memory module that writes is connected with voice micro controller system, and described driver module and voice micro controller system drive read out instrument and boombox respectively; Central process unit sets up restriction relation according to certain rule with each node of elevator operating condition, pre-determines the calibrating parameters in floor position and direction; Central process unit receives the communication data from communication management module, makes communication data and calibrating parameters set up corresponding relation; When elevator runs, central process unit sends instruction according to the data received to driver module and voice one-chip computer module simultaneously, realizes the synchronous driving of visual signal and audible signal.
2. a kind of acoustic signal collection device of elevator as claimed in claim 1, is characterized in that, described voice micro controller system is connected with power amplification circuit, drives boombox by power amplification circuit.
3. a kind of acoustic signal collection device of elevator as claimed in claim 1, is characterized in that, described central process unit and voice micro controller system adopt three line serial ports time schedule control to carry out data transmission.
4. a kind of acoustic signal collection device of elevator as claimed in claim 1, is characterized in that, described Flash vision memory module and visual information and the auditory information that can write the preset elevator operation of sense of hearing memory module difference.
5. the method for work of an acoustic signal collection device of elevator as claimed in claim 1, it is characterized in that, its process is: central process unit sets up restriction relation according to certain rule with each node of elevator operating condition, pre-determine the calibrating parameters in floor position and direction, when elevator runs, central process unit receives the communication data from communication management module, elevator communication data and calibrating parameters are demarcated by the method for data self study, make communication data and calibrating parameters set up corresponding relation; Central process unit calls described Flash vision memory module by instant operating mode and can write the information about elevator current state in sense of hearing memory module, send instruction to driver module and voice micro controller system simultaneously, realize the display of visual information and the broadcasting of auditory information.
6. the method for work of acoustic signal collection device of elevator as claimed in claim 5, it is characterized in that, concrete operating mode situation is as follows:
Operating mode 1: when elevator normally runs, default is normal operating condition by central process unit in predetermined patterns, central process unit calls the central visual information about elevator current state of Flash vision memory module and can write corresponding auditory information in sense of hearing memory module, and send instruction to driver module, driver module drives read out instrument work, completes the display of elevator position and service direction; Meanwhile, central process unit sends instruction according to predetermined rule to voice unit, drives boombox to play corresponding audible signal by power amplification circuit;
Operating mode 2: elevator arrives certain layer and stops, is set as that event 1 occurs; Now, the normal operation mode of system is interrupted, and proceeds to stop layers pattern; Now, according to pre-defined rule, central process unit calls the visual information about elevator current state in the middle of Flash vision memory module, drives the information that stops of read out instrument display current floor; Meanwhile, central process unit calls and can write corresponding auditory information in sense of hearing memory module, sends instruction, by power amplifier and the corresponding audible signal of speaker means plays to voice micro controller system;
Operating mode 3: stop ladder with elevator faults and be parked in non-onlocking zone to regard as Lift out of order, be set as that event 2 occurs, enter alarm condition; Now, central process unit interrupts normal operating condition, and according to elevator state now, central process unit calls the central visual information about elevator current state of Flash vision memory module and can write corresponding auditory information in sense of hearing memory module, and send instruction to driver module, driver module drives read out instrument work, completes the display of elevator faults state; Meanwhile, central process unit sends instruction according to predetermined rule to voice unit, drives boombox to play corresponding audible signal by power amplification circuit;
After event 1, event 2 are removed, system recovers normal operating condition automatically.
7. the method for work of acoustic signal collection device of elevator as claimed in claim 5, it is characterized in that, the method for described data self study runs realization in order up and down by elevator; In running process of elevator, each operating mode communication data is supplied to central process unit by communication management module, and according to certain rule and calibrating parameters one_to_one corresponding, preserve successfully, self study completes.
8. the method for work of acoustic signal collection device of elevator as claimed in claim 5, it is characterized in that, the sound level of described auditory information is between 35dB < A > to 65dB < A >.
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02175576A (en) * | 1988-12-26 | 1990-07-06 | Hitachi Elevator Eng & Service Co Ltd | Broadcast-information display device for elevator |
| CN2173769Y (en) * | 1993-08-31 | 1994-08-10 | 颜用先 | Elevator running state monitor |
| JP2002179348A (en) * | 2000-12-08 | 2002-06-26 | Otis Elevator Co | Car position indication system for double deck elevator and car position indication method |
| CN2692111Y (en) * | 2004-01-07 | 2005-04-13 | 北京宾达同创科技有限公司 | Elevator speech sound prompting device |
| CN101531316A (en) * | 2009-04-27 | 2009-09-16 | 苏州新达电扶梯部件有限公司 | Elevator information publication device |
| CN102134027B (en) * | 2011-04-12 | 2013-01-09 | 范奉和 | Device and method for detecting and alarming elevator faults |
| JP5880161B2 (en) * | 2012-03-09 | 2016-03-08 | フジテック株式会社 | Elevator with broadcasting system |
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