CN102761569B - RFID (radio frequency identification) maintenance management system for intelligent elevator terminal network of things - Google Patents
RFID (radio frequency identification) maintenance management system for intelligent elevator terminal network of things Download PDFInfo
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Abstract
The invention discloses an RFID (radio frequency identification) maintenance management system for an intelligent elevator terminal network of things. The system comprises the intelligent elevator terminal network of things, an RFID read-write module, an input module, a display module and a communication module. The intelligent elevator terminal network of things comprises a CPU (central processing unit) which is respectively connected with the RFID read-write module, the input module, the display module and the communication module. The RFID read-write module is used for reading information of noncontact cards and writing the information of the noncontact cards into the CPU; the input module is used for inputting operation orders into the CPU; the display module is used for displaying maintenance data information in the CPU; and the communication module is used for realizing communication connection between the CUP and the internet. By the elevator maintenance system, intelligent maintenance and management of elevators are realized, and each elevator management party can be informed of conditions of the elevators at the early time to take effective maintenance measures timely, so that safety in operation of the elevators can be guaranteed.
Description
Technical field
The invention belongs to electronic communication field, relate to a kind of RFID maintain and protection management system of elevator intelligent thing connection terminal.
Background technology
Along with the development of social economy and culture, the vertical transport instrument that this modern of elevator lives indispensable is day by day universal, and the improvement of elevator and people's living condition, the lifting of people space quality of the life are closely related.But how Lift out of order or power failure and cause the stranded situation of passenger to happen occasionally, therefore, in the time that passenger is stranded in elevator, gets in touch to obtain rescue with the external world and just become particularly important.Now in general passenger can get in touch by several channels and the external world: 1, in some lift car, dispose telephone set, passenger can seek help to kith and kin or 110 by phone; If 2 passengers oneself have mobile phone, also can seek help to kith and kin or 110 by mobile phone, prerequisite is in hoistway, to do signal to cover; Although 3, some elevator does not have configuring telephone machine, in car, dispose intercom or the warning alarm button that can converse with machine room on duty; If 4 passengers, both without mobile phone, do not have again telephone set, intercom or alarm button in elevator, passenger can cause that lift car external staff's attention is rescued by loud calling.When receiving, passenger's kith and kin seek help after phone, generally can notify elevator customer administrative staff or the warning of dialling 110, but because 110 comrade people's police does not have the specialized technical knowledge of elevator, receiving the seeking help after phone of passenger, rescue mode is to contact with the elevator company with professional ability (just to take rescue if do not possess the professional knowledge of elevator again the most efficiently, only can make the stranded time lengthening of passenger, and may cause damage to lift facility); Elevator customer administrative staff, after the warning of receiving passenger, are mostly also to contact with the elevator company with professional ability.Have some elevator customer administrative staff oneself to take measures to succour, but elevator professional level is very limited, often, because rescue improper measures makes the stranded time of passenger longer on the contrary, even can causes health or psychological injury to passenger.Because information exchange between passenger and elevator professional company can not settle at one go, the calling for help information that stranded passenger sends need through secondary even three times " call " could get in touch with elevator professional company, add 110 and elevator customer administrative staff the phone of elevator company is searched and is needed the regular hour, what elevator professional company obtained elevator faults information like this fast certainly will not make the stranded time lengthening of passenger.Although have some elevators that failure monitoring device has been installed at present, can in the time of Lift out of order, send immediately fault signal to professional elevator company, but the failure monitoring personnel of elevator company can only receive fault message, but can not know immediately in car and whether have passenger stranded.
In lift facility, conventionally utilize switching device to concrete action, the operation of for example elevator is monitored.Multiple this supervising devices must have specific state, to implement reliably required action.Particularly in lift facility, must guarantee before elevator cage operation and all mechanical latchings that must remain closed of run duration.In EP 0,535 205, disclosed a kind of supervising device of the control device with safety chain, described supervising device have one contactless be the releasable switching device with transducer.By approaching or realizing the control to switch or transducer away from magnet.The shortcoming of this scheme is, switch or transducer react each magnet, and no matter this magnet whether correct and whether be selected switch or the definite magnet of transducer.Approach a corresponding material and be enough to produce an effective signal.But utilize suitable cost may avoid hardly the misoperation of switch or transducer.For example miss release by artificial disturbance or/and external control all can cause, form the threat to lift facility safe operation.
In addition, based on the needs of flash appeal, require elevator call facility to have the characteristic such as MPTY, auto dialing, consider the complex environment among lift car simultaneously, the feature such as require telephone set itself also must possess tamper-proof, anti-ly to knock, anti-interference.But due to the complicated of elevator environment and the requirement to function aspects, most of emergencycallboxsystem can only become ornaments and fail really positive our practical problem of solution.Traced it to its cause following some:
1, the emergencycallboxsystem that elevator is provided for oneself, general transmission range can be very not long, hundreds of rice until several kilometers become its critical distance;
2, fail to realize MPTY function, as the directly call in many ways such as cab and property department, maintaining unit, Maintenance Engineer;
3, because the interference of elevator inside is very strong, the emergencycallboxsystem that in general elevator is provided for oneself, speech quality is not fine;
If 4 calling systems go wrong, maintenance is got up particularly troublesome, so a lot of elevator just becomes completely ornaments after calling system goes wrong.
Based on reason above, the manufacturer that many elevators producer starts to attempt with industrial electro phone cooperates, and configures whole calling system in the mode of telephone set.Elevator tripartite or five square tubes words adopt wired mode at present, need special messenger on duty; Remote monitoring also adopts wired Modem, and system cost is higher, System Expansion difficulty.
Summary of the invention
Technical problem to be solved by this invention is: a kind of RFID maintain and protection management system of elevator intelligent thing connection terminal is provided, and this RFID maintain and protection management system can be realized intelligent maintenance and the dynamic management in real time of elevator.
For solving the problems of the technologies described above, the present invention adopts following technical scheme.
A RFID maintain and protection management system for elevator intelligent thing connection terminal, comprises elevator intelligent thing connection terminal, RFID module for reading and writing, input module, display module, communication module; Described elevator intelligent thing connection terminal comprises a CPU, and described CPU is connected with RFID module for reading and writing, input module, display module, communication module respectively; Described RFID module for reading and writing is in order to read the information of non-contact card, and the information of described non-contact card is write in CPU; Described input module is in order to enter the operating instructions to CPU; Described display module is in order to show the repair and maintenance data message in CPU; Described communication module is in order to realize the communication connection of CPU and the Internet.
As a preferred embodiment of the present invention, described RFID module for reading and writing comprises RFID read-write card, matching network, antenna; Described RFID read-write card is connected with matching network, and described matching network is connected with antenna; Described RFID read-write card is in order to go out the information exchange overmatching Internet Transmission reading to antenna transmission.
As another kind of preferred version of the present invention, described elevator intelligent thing connection terminal comprises that one possesses the elevator wireless remote supervisory and control(ling) equipment of five side's call functions, and described watch-dog comprises CPU, GSM/GPRS/CDMA module, voice circuit module of electric, audio frequency power amplifier module, frequency switch circuit module, exchanging network module; CPU is connected with GSM/GPRS/CDMA module, voice circuit module of electric and exchanging network module respectively; GSM/GPRS/CDMA module is all connected with audio power amplifier circuit module with voice circuit module of electric; Exchanging network module is connected with frequency switch circuit module.
As another preferred version of the present invention, described CPU is arm processor chip U49, possess CAN bus interface, for connect the I/O interface of various transducers and for the RS232, the RS485 that connect all kinds of electric life controllers or/and RS422 communication interface, in order to receive elevator switch amount signal, power supply signal and voltage signal.
As another preferred version of the present invention, described GSM/GPRS/CDMA module comprises SIM card interface circuit and GSM/GPRS/CDMA interface circuit; Described GSM/GPRS/CDMA interface circuit comprises a GSM/GPRS/CDMA chip U65, in order to realize elevator intelligent thing connection terminal inner with outside information interaction; The 15th pin of U65 is by connect+3.3V of diode D7 voltage; Described SIM card interface circuit comprises a SIM card chip JP4, the 1st pin of JP4 is by capacitor C 189 ground connection, the 2nd pin is connected with the 25th pin of GPRS chip U65 by resistance R 367, the 3rd pin is connected with the 23rd pin of GPRS chip U65 by resistance R 368, the 5th pin ground connection, the 7th pin is connected with the 21st pin of GPRS chip U65 by resistance R 369, and the 7th pin is connected with the 19th pin of GPRS chip U65 by resistance R 282.
As another preferred version of the present invention, described frequency switch circuit module can realize inner five square tube words, comprise five road audio input end W-S, V1-S, V2-S, V3-S, V4-S, described five road audio input end W-S, V1-S, V2-S, V3-S, V4-S connect respectively the reverse input end of amplifier U360 by resistance R 177, R178, R179, R180, R181, the input in the same way of amplifier U360 is by resistance R 186 ground connection; The output of amplifier U360 connects MIC+ node by capacitor C 486, and MIC+ node connects MIC-node by resistance R 188; Between the output of amplifier U360 and reverse input end, be connected with negative feedback resistor R187; MIC+ node and MIC-node are respectively by capacitor C 216 and C219 ground connection; Described MIC+ node is connected with the 53rd, 55 pins of described GPRS chip U65 respectively with MIC-node.
As another preferred version of the present invention, described voice circuit module of electric, for operation indicating and call, comprises the first sound circuit and the second sound circuit; Described the first sound circuit comprises a speech chip U63, and wherein the the the 15th, 16,19,20,21 pins of U63 are corresponding connected with the the the 44th, 46,55,56,57 pins of arm processor chip U49 respectively, and the 4th, 5 pins of U63 are connected with audio frequency power amplifier module; Described the second sound circuit comprises a speech chip U64, and wherein the the the 15th, 16,19,20,21 pins of U64 are corresponding connected with the the the 60th, 59,58,56,57 pins of arm processor chip U49 respectively, and the 4th, 5 pins of U64 are connected with audio frequency power amplifier module.
As another preferred version of the present invention, described audio frequency power amplifier module comprises four road audio signal input end V1-J, V2-J, V3-J, V4-J, described four road audio signal input end V1-J, V2-J, V3-J, V4-J are respectively through the reverse input end of resistance R 173, R174, R175, R176 access amplifier U35C, and the output of amplifier U35C connects the positive input of amplifier U66 through capacitor C 487; The 3rd port of the output termination JP9 of amplifier U66, the 4th the port ground connection of JP9; The 1st the port output J-MIC+ signal of JP9, the 2nd the port output J-MIC-signal of JP9; J-MIC+ signal accesses the reverse input end of amplifier U35A through capacitor C 76 and the resistance R 292 of series connection, and J-MIC-signal accesses the input in the same way of amplifier U35A through the capacitor C 77 of series connection and resistance R 293; The output of amplifier U35A accesses the reverse input end of amplifier U35B through capacitor C 488 and the resistance R 189 of series connection, and the input in the same way of amplifier U35B is by resistance R 295 ground connection; The output of amplifier U35B accesses respectively the input in the same way of amplifier U36A, U36B, U36C, U36D through capacitor C 489; The output of amplifier U36A is connected with reverse input end, and the output of amplifier U36A is by capacitor C 490 output audio signal VJ-1; The output of amplifier U36B is connected with reverse input end, and the output of amplifier U36B is by capacitor C 491 output audio signal VJ-2; The output of amplifier U36C is connected with reverse input end, and the output of amplifier U36C is by capacitor C 492 output audio signal VJ-3; The output of amplifier U36D is connected with reverse input end, and the output of amplifier U36D is by capacitor C 493 output audio signal VJ-4.
As another preferred version of the present invention, described watch-dog also comprises power module, and described power module comprises chip U75 and U76; Input termination+12V voltage of described U75, the GND end ground connection of U75, output termination+5V voltage of U75; The input of U75 is by capacitor C in parallel 616 and C611 ground connection; The output of U75 is by capacitor C in parallel 619 and C613 ground connection; The input of described U76 is connected with the input of U76 by diode series-parallel circuit; Described diode series-parallel circuit comprises diode in parallel the first branch road and diode the second branch road, diode D2 and the D3 of first route series connection of described diode form, diode D4 and the D6 of second route series connection of described diode form, wherein D2 and the negative pole of D4 and the input of U75 are connected, and D3 and the positive pole of D6 and the input of U76 are connected; The GND end ground connection of U76, output termination-5V voltage of U76; The input of U76 is by capacitor C in parallel 617 and C612 ground connection; The output of U76 is by capacitor C in parallel 620 and C614 ground connection.
As another preferred version of the present invention, described elevator intelligent thing connection terminal also comprises server, described server comprises database, data server and WEB server, the described elevator wireless remote supervisory and control(ling) equipment that possesses five side's call functions carries out exchanges data by TCP/IP and data server, and the computer browser being connected on Internet passes through WEB server access database.
Beneficial effect of the present invention is: repair and maintenance system of the present invention has realized intelligent maintenance and the management to elevator, make each manager of elevator can know in the very first time the real-time dynamical state of elevator, take in time row and effectively repair and maintenance measure, the safe operation of guarantee elevator.
Description of the invention and application are illustrative, not want scope of the present invention to limit in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and for those those of ordinary skill in the art, the various parts of the replacement of embodiment and equivalence are known.Those skilled in the art are noted that in the situation that not departing from spirit of the present invention or substantive characteristics, and the present invention can be with other forms, structure, layout, ratio, and realize with other elements, material and parts.
Brief description of the drawings
Fig. 1 is the application scenarios schematic diagram of elevator intelligent thing connection terminal of the present invention;
Fig. 2 is the structured flowchart of elevator wireless remote supervisory and control(ling) equipment;
Fig. 3 is the electrical block diagram of CPU;
Fig. 4 A is the Part I electrical block diagram of GSM/GPRS/CDMA module;
Fig. 4 B is the Part II electrical block diagram of GSM/GPRS/CDMA module;
Fig. 4 C is the structural representation of SIM card interface circuit;
Fig. 5 A is the structural representation of the first sound circuit;
Fig. 5 B is the structural representation of the second sound circuit;
Fig. 6 is the structural representation of frequency switch circuit module;
Fig. 7 A is the Part I electrical block diagram of audio frequency power amplifier module;
Fig. 7 B is the Part II electrical block diagram of audio frequency power amplifier module;
Fig. 8 is the electrical block diagram of power module;
Fig. 9 is the server framework schematic diagram of elevator intelligent thing connection terminal of the present invention;
Figure 10 is the device software framework schematic diagram of elevator intelligent thing connection terminal of the present invention;
Figure 11 is the system block diagram of the RFID maintain and protection management system of elevator intelligent thing connection terminal of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Embodiment mono-
The present embodiment provides a kind of RFID maintain and protection management system of elevator intelligent thing connection terminal, as shown in figure 11, comprises elevator intelligent thing connection terminal, RFID module for reading and writing, input module, display module, communication module.Described elevator intelligent thing connection terminal comprises a CPU, and described CPU is connected with RFID module for reading and writing, input module, display module, communication module respectively.
[RFID module for reading and writing]
RFID module for reading and writing comprises RFID read-write card, matching network, antenna etc., in order to non-contact card is read and write, as reading and writing IC card.Described RFID module for reading and writing is in order to read the information of non-contact card, and the information of described non-contact card is write in CPU.
[input module]
Described input module is touch screen module, in order to enter the operating instructions to CPU.CPU processor receives after repair and maintenance instruction, according to instruction, the information of elevator is processed.
[display module]
Described display module is TFT LCD module, in order to show the repair and maintenance data message in CPU, can adopt the TFT LCD of 2.4 cun of 260,000 look.TFT LCD module is connected with CPU, in order to the state of real-time demonstration elevator and repair and maintenance personnel are provided service menu scheme.Described communication module is in order to realize the communication connection of CPU and the Internet.
[communication module]
Communication module can adopt various communication modes, as RS485 communication mode etc., in order to realize communicating by letter of CPU and the Internet.Communication module can realize information interaction and the Long-distance Control of CPU processor and each elevator management end.Communication module can be communicated by letter with WYWX03, and by WYWX, the maintaining data of elevator is sent on the server in the Internet.
Touch screen module and TFT LCD module composition good man-machine interface, repair and maintenance system shows daily maintenance rule and producer's maintaining project etc. in man-machine interface, by RFID module for reading and writing input personal information, input maintaining data by man-machine interface, by communication module, maintaining data are sent to the server on the Internet, the software on cooperation server and database are realized the maintaining of elevator.
[elevator intelligent thing connection terminal]
This terminal comprises server and possesses the elevator wireless remote supervisory and control(ling) equipment of five side's call functions, as shown in Figure 2, this watch-dog comprises CPU, GSM/GPRS/CDMA module, voice circuit module of electric, audio frequency power amplifier module, frequency switch circuit module, power module; Described CPU possesses CAN bus interface, for connecting the I/O interface of various transducers and for connecting the communication interface such as RS232, RS485, RS422 of all kinds of electric life controllers; CPU is connected with GSM/GPRS/CDMA module, voice circuit module of electric and exchanging network module respectively; GSM/GPRS/CDMA module is all connected with audio power amplifier circuit module with voice circuit module of electric; Exchanging network module is connected with frequency switch circuit module.
CPU
As shown in Figure 3, that described CUP adopts is arm processor chip U49, in order to realize the monitoring to elevator intelligent thing connection terminal.Exchange of speech between the each module of CPU major control.When having the 2nd or above elevator module need to be with external call time, select idle voice module prompting " can directly and external call " also this elevator module to be added to tripartite or MPTY by CPU; In the time that external call is squeezed into, select idle voice module prompting " please select extension number " by CPU, be then switched to the elevator module of selection.
gSM/GPRS/CDMA module
The circuit structure of described GSM/GPRS/CDMA module, as shown in Fig. 4 A to 4C, comprises SIM card interface circuit, GSM/GPRS/CDMA interface circuit.
As shown in Figure 4 A, GSM/GPRS/CDMA interface circuit comprises a GSM/GPRS/CDMA chip U65, in order to realize elevator intelligent thing connection terminal inner with outside information interaction.
As shown in Figure 4 B, the 15th pin of U65 is by connect+3.3V of diode D7 voltage.
As shown in Figure 4 C, SIM card interface circuit comprises a SIM card chip JP4, the 1st pin of JP4 is by capacitor C 189 ground connection, the 2nd pin is connected with the 25th pin of GPRS chip U65 by resistance R 367, the 3rd pin is connected with the 23rd pin of GPRS chip U65 by resistance R 368, the 5th pin ground connection, the 7th pin is connected with the 21st pin of GPRS chip U65 by resistance R 369, and the 7th pin is connected with the 19th pin of GPRS chip U65 by resistance R 282.
voice circuit module of electric
Described voice circuit module of electric is for operation indicating and call, and it comprises the first sound circuit and the second sound circuit.
The structure of the first sound circuit as shown in Figure 5A, mainly comprise a speech chip U63, wherein the the the 15th, 16,19,20,21 pins of U63 are corresponding connected with the the the 44th, 46,55,56,57 pins of cpu chip U49 respectively, and the 4th, 5 pins of U63 are connected with audio frequency power amplifier module.
The structure of the second sound circuit as shown in Figure 5 B, mainly comprise a speech chip U64, wherein the the the 15th, 16,19,20,21 pins of U64 are corresponding connected with the the the 60th, 59,58,56,57 pins of cpu chip U49 respectively, and the 4th, 5 pins of U64 are connected with audio frequency power amplifier module.
Visible the first sound circuit is identical with the structure of the second sound circuit.In the time of the first sound circuit work, the second sound circuit can be reported subsequent voice signal, can prevent because of the occupied broadcasting of incuring loss through delay other voice signals of first via sound circuit.
frequency switch circuit module
Described frequency switch circuit module can realize inner five square tube words, its structure as shown in Figure 6, five road audio input end W-S, V1-S, V2-S, V3-S, V4-S connect respectively the reverse input end of amplifier U360 by resistance R 177, R178, R179, R180, R181, the input in the same way of amplifier U360 is by resistance R 186 ground connection; The output of amplifier U360 connects MIC+ node by capacitor C 486, and MIC+ node connects MIC-node by resistance R 188; Between the output of amplifier U360 and reverse input end, be connected with negative feedback resistor R187; MIC+ node and MIC-node are respectively by capacitor C 216 and C219 ground connection.Described MIC+ node is connected with the 53rd, 55 pins of described GPRS chip U65 respectively with MIC-node.
audio frequency power amplifier module
The circuit structure of described audio frequency power amplifier module is as shown in Fig. 7 A and Fig. 7 B.
In Fig. 7 A, four tunnel audio signal V1-J, V2-J, V3-J, V4-J are respectively through the reverse input end of resistance R 173, R174, R175, R176 access amplifier U35C, and the output of amplifier U35C connects the positive input of amplifier U66 through capacitor C 487; The 3rd port of the output termination JP9 of amplifier U66, the 4th the port ground connection of JP9; The 1st the port output J-MIC+ signal of JP9, the 2nd the port output J-MIC-signal of JP9.
In Fig. 7 B, J-MIC+ signal accesses the reverse input end of amplifier U35A through capacitor C 76 and the resistance R 292 of series connection, and J-MIC-signal accesses the input in the same way of amplifier U35A through the capacitor C 77 of series connection and resistance R 293; The output of amplifier U35A accesses the reverse input end of amplifier U35B through capacitor C 488 and the resistance R 189 of series connection, and the input in the same way of amplifier U35B is by resistance R 295 ground connection; The output of amplifier U35B accesses respectively the input in the same way of amplifier U36A, U36B, U36C, U36D through capacitor C 489; The output of amplifier U36A is connected with reverse input end, and the output of amplifier U36A is by capacitor C 490 output audio signal VJ-1; The output of amplifier U36B is connected with reverse input end, and the output of amplifier U36B is by capacitor C 491 output audio signal VJ-2; The output of amplifier U36C is connected with reverse input end, and the output of amplifier U36C is by capacitor C 492 output audio signal VJ-3; The output of amplifier U36D is connected with reverse input end, and the output of amplifier U36D is by capacitor C 493 output audio signal VJ-4.
power module
The circuit structure of described power module as shown in Figure 8, comprises chip U75 and U76.
Connect+12V of input (Vin) voltage of described U75, the GND end ground connection of U75, connect+5V of output (Vo) voltage of U75; The input of U75 is by capacitor C in parallel 616 and C611 ground connection; The output of U75 is by capacitor C in parallel 619 and C613 ground connection.
The input of described U76 is connected with the input of U76 by diode series-parallel circuit; Described diode series-parallel circuit comprises diode in parallel the first branch road and diode the second branch road, diode D2 and the D3 of first route series connection of described diode form, diode D4 and the D6 of second route series connection of described diode form, wherein D2 and the negative pole of D4 and the input of U75 are connected, and D3 and the positive pole of D6 and the input of U76 are connected.
The GND end ground connection of U76, output termination-5V voltage of U76; The input of U76 is by capacitor C in parallel 617 and C612 ground connection; The output of U76 is by capacitor C in parallel 620 and C614 ground connection.
server
Described server comprises data server and WEB server, and WEB server is apache; Data server adopts LAMP framework, and operating system is Linux; Database is mysql, and page script adopts php, and its system framework is shown in Fig. 9.The elevator wireless remote supervisory and control(ling) equipment that possesses five side's call functions carries out exchanges data by TCP/IP and data server, mainly comprise: the data that elevator operation produces, anomalous event is sent to data server and is appended to the data of database, the online upgrading data of the parameter configuration of equipment and solidification software etc.Any computer available browser being connected on Internet is passed through WEB server access database, comprise running status, anomalous event, exception handling procedure tracking, historical record statistics of elevator etc., also can carry out the operations such as the management, device parameter configuration modification, data query of equipment.
device software
The device software of elevator intelligent thing connection terminal of the present invention adopts embedded real-time multi-task operating system, and its framework is shown in Figure 10.Embedded real-time multi-task operating system adopts micro-kernel open architecture, and the coupling in Figure 10 between modules is less, and convenient increase and decrease and amendment, can customize according to the actual requirements and reduce.Wherein hardware description layer is transplanted to other hardware environment for embedded real-time multi-task operating system as far as possible and is brought convenience, and conventionally only need to revise several header files.Application A PI interface layer provides unified interface for application program, and backward compatible on version, and traditional application program also be can be applicable on the embedded real-time multi-task operating system version of more recent version.
As shown in Figure 1, elevator intelligent thing connection terminal of the present invention comprises the elevator wireless remote supervisory and control(ling) equipment that possesses five side's call functions, this watch-dog can carry out speech communication with mobile phone, landline telephone etc. by mobile radio communication, can receive and dispatch short message with mobile phone etc., can enter Internet (Internet) by mobile gateway, also can with predefined some server exchange data on the Internet, the data that exchange comprise the information datas such as elevator emergency state, operating state, abnormality; On the Internet, other computers also can be understood elevator ruuning situation by server whenever and wherever possible.
Elevator intelligent thing connection terminal of the present invention can be implemented in real time effectively monitoring to the operation of elevator, and data can be classified and send to SMS platform and different server, as parameters of elevator run, abnormal data sent to the server of elevator manufacturer, elevator service data, abnormal conditions are sent to the server of elevator maintenance maintenance unit etc.In addition, owing to possessing five side's call functions, make the emergency relief hommization and effective in real time more of elevator.
Elevator intelligent thing of the present invention connection terminal adopts GSM/GPRS/CDMA and wire and wireless integration technology, under wireless status, uses mobile communication technology realize wireless speech call and send SMS message, need not special messenger on duty and lay cable; And realize internet data transmission by computer network, thereby realize the wireless remote monitering of elevator; Under cable status, realize communicating with each other of elevator(lift) machine room, sedan-chair top, car, pit and property night shift room, greatly facilitate repair and maintenance personnel's maintenance.Elevator maintain and protection system of the present invention has realized intelligent maintenance and the management to elevator, makes each manager of elevator can know in the very first time state of elevator, takes in time row and effectively repair and maintenance measure, the safe operation of guarantee elevator.
Claims (8)
1. a RFID maintain and protection management system for elevator intelligent thing connection terminal, is characterized in that: comprise elevator intelligent thing connection terminal, RFID module for reading and writing, input module, display module, communication module; Described elevator intelligent thing connection terminal comprises a CPU, and described CPU is connected with RFID module for reading and writing, input module, display module, communication module respectively; Described RFID module for reading and writing is in order to read the information of non-contact card, and the information of described non-contact card is write in CPU; Described input module is in order to enter the operating instructions to CPU; Described display module is in order to show the repair and maintenance data message in CPU; Described communication module is in order to realize the communication connection of CPU and the Internet; Described elevator intelligent thing connection terminal comprises that one possesses the elevator wireless remote supervisory and control(ling) equipment of five side's call functions, and described watch-dog comprises described CPU, GSM/GPRS/CDMA module, voice circuit module of electric, audio frequency power amplifier module, frequency switch circuit module, exchanging network module; Described CPU is connected with GSM/GPRS/CDMA module, voice circuit module of electric and exchanging network module respectively; GSM/GPRS/CDMA module is all connected with audio power amplifier circuit module with voice circuit module of electric; Exchanging network module is connected with frequency switch circuit module; Described GSM/GPRS/CDMA module comprises SIM card interface circuit and GSM/GPRS/CDMA interface circuit; Described GSM/GPRS/CDMA interface circuit comprises a GSM/GPRS/CDMA chip U65, in order to realize elevator intelligent thing connection terminal inner with outside information interaction; The 15th pin of U65 is by connect+3.3V of diode D7 voltage; Described SIM card interface circuit comprises a SIM card chip JP4, the 1st pin of JP4 is by capacitor C 189 ground connection, the 2nd pin is connected with the 25th pin of GPRS chip U65 by resistance R 367, the 3rd pin is connected with the 23rd pin of GPRS chip U65 by resistance R 368, the 5th pin ground connection, the 7th pin is connected with the 21st pin of GPRS chip U65 by resistance R 369, and the 7th pin is connected with the 19th pin of GPRS chip U65 by resistance R 282.
2. the RFID maintain and protection management system of elevator intelligent thing connection terminal according to claim 1, is characterized in that: described RFID module for reading and writing comprises RFID read-write card, matching network, antenna; Described RFID read-write card is connected with matching network, and described matching network is connected with antenna; Described RFID read-write card is in order to go out the information exchange overmatching Internet Transmission reading to antenna transmission.
3. the RFID maintain and protection management system of elevator intelligent thing connection terminal according to claim 1, it is characterized in that: described CPU is arm processor chip U49, possess CAN bus interface, for connect the I/O interface of various transducers and for the RS232, the RS485 that connect all kinds of electric life controllers or/and RS422 communication interface, in order to receive elevator switch amount signal, power supply signal and voltage signal.
4. the RFID maintain and protection management system of elevator intelligent thing connection terminal according to claim 1, it is characterized in that: described frequency switch circuit module can realize inner five square tube words, comprise five road audio input end W-S, V1-S, V2-S, V3-S, V4-S, described five road audio input end W-S, V1-S, V2-S, V3-S, V4-S connect respectively the reverse input end of amplifier U360 by resistance R 177, R178, R179, R180, R181, the input in the same way of amplifier U360 is by resistance R 186 ground connection; The output of amplifier U360 connects MIC+ node by capacitor C 486, and MIC+ node connects MIC-node by resistance R 188; Between the output of amplifier U360 and reverse input end, be connected with negative feedback resistor R187; MIC+ node and MIC-node are respectively by capacitor C 216 and C219 ground connection; Described MIC+ node is connected with the 53rd, 55 pins of described GPRS chip U65 respectively with MIC-node.
5. the RFID maintain and protection management system of elevator intelligent thing connection terminal according to claim 3, is characterized in that: described voice circuit module of electric, for operation indicating and call, comprises the first sound circuit and the second sound circuit; Described the first sound circuit comprises a speech chip U63, and wherein the the the 15th, 16,19,20,21 pins of U63 are corresponding connected with the the the 44th, 46,55,56,57 pins of arm processor chip U49 respectively, and the 4th, 5 pins of U63 are connected with audio frequency power amplifier module; Described the second sound circuit comprises a speech chip U64, and wherein the the the 15th, 16,19,20,21 pins of U64 are corresponding connected with the the the 60th, 59,58,56,57 pins of arm processor chip U49 respectively, and the 4th, 5 pins of U64 are connected with audio frequency power amplifier module.
6. the RFID maintain and protection management system of elevator intelligent thing connection terminal according to claim 1, it is characterized in that: described audio frequency power amplifier module comprises four road audio signal input end V1-J, V2-J, V3-J, V4-J, described four road audio signal input end V1-J, V2-J, V3-J, V4-J are respectively through the reverse input end of resistance R 173, R174, R175, R176 access amplifier U35C, and the output of amplifier U35C connects the positive input of amplifier U66 through capacitor C 487; The 3rd port of the output termination JP9 of amplifier U66, the 4th the port ground connection of JP9; The 1st the port output J-MIC+ signal of JP9, the 2nd the port output J-MIC-signal of JP9; J-MIC+ signal accesses the reverse input end of amplifier U35A through capacitor C 76 and the resistance R 292 of series connection, and J-MIC-signal accesses the input in the same way of amplifier U35A through the capacitor C 77 of series connection and resistance R 293; The output of amplifier U35A accesses the reverse input end of amplifier U35B through capacitor C 488 and the resistance R 189 of series connection, and the input in the same way of amplifier U35B is by resistance R 295 ground connection; The output of amplifier U35B accesses respectively the input in the same way of amplifier U36A, U36B, U36C, U36D through capacitor C 489; The output of amplifier U36A is connected with reverse input end, and the output of amplifier U36A is by capacitor C 490 output audio signal VJ-1; The output of amplifier U36B is connected with reverse input end, and the output of amplifier U36B is by capacitor C 491 output audio signal VJ-2; The output of amplifier U36C is connected with reverse input end, and the output of amplifier U36C is by capacitor C 492 output audio signal VJ-3; The output of amplifier U36D is connected with reverse input end, and the output of amplifier U36D is by capacitor C 493 output audio signal VJ-4.
7. the RFID maintain and protection management system of elevator intelligent thing connection terminal according to claim 1, is characterized in that: described watch-dog also comprises power module, and described power module comprises chip U75 and U76; Input termination+12V voltage of described U75, the GND end ground connection of U75, output termination+5V voltage of U75; The input of U75 is by capacitor C in parallel 616 and C611 ground connection; The output of U75 is by capacitor C in parallel 619 and C613 ground connection; The input of described U76 is connected with the input of U76 by diode series-parallel circuit; Described diode series-parallel circuit comprises diode in parallel the first branch road and diode the second branch road, diode D2 and the D3 of first route series connection of described diode form, diode D4 and the D6 of second route series connection of described diode form, wherein D2 and the negative pole of D4 and the input of U75 are connected, and D3 and the positive pole of D6 and the input of U76 are connected; The GND end ground connection of U76, output termination-5V voltage of U76; The input of U76 is by capacitor C in parallel 617 and C612 ground connection; The output of U76 is by capacitor C in parallel 620 and C614 ground connection.
8. the RFID maintain and protection management system of elevator intelligent thing connection terminal according to claim 1, it is characterized in that: described elevator intelligent thing connection terminal also comprises server, described server comprises database, data server and WEB server, the described elevator wireless remote supervisory and control(ling) equipment that possesses five side's call functions carries out exchanges data by TCP/IP and data server, and the computer browser being connected on Internet passes through WEB server access database.
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