CN104261217A - Data collection and transmission terminal in elevator remote monitoring system - Google Patents
Data collection and transmission terminal in elevator remote monitoring system Download PDFInfo
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- CN104261217A CN104261217A CN201410473135.XA CN201410473135A CN104261217A CN 104261217 A CN104261217 A CN 104261217A CN 201410473135 A CN201410473135 A CN 201410473135A CN 104261217 A CN104261217 A CN 104261217A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
Abstract
The invention discloses a data collection and transmission terminal in an elevator remote monitoring system. The data collection and transmission terminal in the elevator remote monitoring system comprises a central control circuit, a data input interface circuit and a data output interface circuit; the data input interface circuit comprises an RS232 interface circuit, an RS485 interface circuit and a CAN (Controller Area Network) interface circuit; the data output interface circuit comprises a GPRS (General Packet Radio Service) module and an Ethernet interface circuit. Compared with the prior art, the data collection and transmission terminal in the elevator remote monitoring system comprises multiple data input interfaces and multiple data output interfaces, a user can freely select corresponding interfaces to achieve communication with an elevator control system according to different communication interfaces and communication protocols and only requires simple set and does not need to replace hardware when communicates with a remote server due to the two data transmission modes of GPRS and Ethernet.
Description
Technical field
The present invention relates to a kind of data acquisition and transmitting device, relate to data acquisition and transmission terminal in a kind of elevator remote monitoring system more specifically.
Background technology
Elevator remote monitoring system, as a kind of online elevator monitoring system of serving elevator manufacturing enterprise, elevator maintain and protection enterprise and elevator customer, is subject to the attention of each elevator manufacturer day by day.But be limited to the reason of technology and cost, elevator remote monitoring system can't high volume applications.
As shown in figure 13, elevator remote monitoring system of the prior art comprises apparatus for controlling elevator, data relay device and remote monitoring server.The monitoring communications interface of current various apparatus for controlling elevator is all not identical with agreement, these interfaces and agreement are generally the serial communication interfaces such as RS232, RS485 or AN and agreement, thus when apparatus for controlling elevator communicates with data relay device, data relay device is needed to possess corresponding communication interface, but the data acquisition interface of current data relay device is comparatively single, be difficult to realize the communication between the apparatus for controlling elevator of various communication interface.
Therefore, the device of a kind of compatible multiple communication interface and communication protocol is badly in need of to overcome above-mentioned defect.
Summary of the invention
The object of the present invention is to provide data acquisition and transmission terminal in a kind of elevator remote monitoring system, with compatible multiple communication interface and communication protocol, realize the communication with the elevator monitoring system of different interface type.
For achieving the above object, the invention provides data acquisition and transmission terminal in a kind of elevator remote monitoring system, comprise central control circuit, Data Input Interface circuit and data output interface circuit, described Data Input Interface circuit comprises RS232 interface circuit, RS485 interface circuit and CAN interface circuit, described data output interface circuit comprises GPRS module and ethernet interface circuit, described RS232 interface circuit, RS485 interface circuit and CAN interface circuit are connected with the input end of described central control circuit, described GPRS module and described ethernet interface circuit are connected with the mouth of described central control circuit.
Compared with prior art, in elevator remote monitoring system of the present invention, data acquisition and transmission terminal comprise central control circuit, Data Input Interface circuit and data output interface circuit, wherein Data Input Interface circuit comprises RS232 interface circuit, RS485 interface circuit and CAN interface circuit, data output interface circuit comprises GPRS module and ethernet interface circuit, namely several data input interface and several data output interface is comprised, according to different communication interfaces and communication protocol, user can communication between the corresponding Interface realization of unrestricted choice and apparatus for controlling elevator, adopt GPRS simultaneously, ethernet two kinds of data transfer modes, only need simple setting when communicating with remote server and need not hardware be changed.
Preferably, described Data Input Interface circuit also comprises the parallel data input interface circuit and Zigbee interface circuit that are connected with described central control circuit.
Preferably, also comprise power circuit and indicator light circuit, described power circuit comprises protected location, first power conversion unit and second source converting unit, described protected location is connected with external 24V direct supply, described first power conversion unit is connected with described protected location and described GPRS module, described second source converting unit and described protected location and described central control circuit, RS232 interface circuit, RS485 interface circuit, CAN interface circuit, parallel data input interface circuit, Zigbee interface circuit, ethernet interface circuit and described indicator light circuit connect, described indicator light circuit comprises the power light unit be connected with described central control circuit respectively, overhauling elevator indicator unit, elevator faults indicator unit, data acquisition indicator unit, GPRS indicator unit, ethernet indicator unit and dry contact input indicator unit.
Preferably, described central control circuit comprises micro controller system U3, clock circuit, watchdog circuit, backup power circuit, electric source filter circuit and program test interface circuit, and described clock circuit, watchdog circuit, backup power circuit, electric source filter circuit and program test interface circuit are connected with described micro controller system U3, described watchdog circuit comprises chip U7, resistance R73, R74, R75, R76, electric capacity C62 and interface J11, the pin 1 of described chip U7 is connected with pin 8, the pin 2 of described chip U7 is connected with 3.3V power supply, pin 3 ground connection of described chip U7, the pin 4 of described chip U7 is by described resistance R73 ground connection, the pin 6 of described chip U7 is by described resistance R74 ground connection, the pin 6 of described chip U7 is connected with one end of described resistance R75, the other end of described resistance R75 is connected with the pin 1 of described interface J11, the pin 2 of described interface J11 is connected with one end of described resistance R76 and described electric capacity C62 and the pin 14 of described micro controller system U3, described backup power circuit comprises diode V2, diode V3, electric capacity C57, electric capacity C58 and battery BT1, the anode of described diode V2 is connected with 3.3V power supply, the negative electrode of described diode V2 and the pin 6 of described micro controller system U3, described electric capacity C57, one end of described electric capacity C58 and the negative electrode of described diode V3 connect, described electric capacity C57, the other end ground connection of electric capacity C58, the anode of described diode V3 is connected with the positive pole of described battery BT1, the negative earth of described battery BT1.
Preferably, described RS232 interface circuit comprises level transferring chip U4, socket RS1, socket RS2, zener diode D3, D4, D5, D6, element E12, E13, E14, E15 and interface J8, J10, the pin 11 of described level transferring chip U4 is connected with the pin 2 of interface J10, the pin 14 of described level transferring chip MAX232 is connected with the pin 2 of described socket RS1, the pin 10 of described level transferring chip U4 is connected with the pin 2 of described interface J8, the pin 7 of described level transferring chip MAX232 is connected with the pin 2 of described socket RS2, the pin 8 of described level transferring chip U4 is connected with the pin 3 of described socket RS2, the pin 12 of described level transferring chip U4 is connected with the pin 1 of described interface J10, the pin 13 of described level transferring chip U4 is connected with the pin 3 of described socket RS1, the pin 9 of described level transferring chip U4 is connected with the pin 1 of described interface J8, the pin 3 of described interface J8, 4 respectively with the pin 87 of described micro controller system U3, 86 connect, described element E12 and one end ground connection parallel connection after in parallel with described zener diode D3, the other end is connected with the pin 14 of described level transferring chip U4, described element E13 and one end ground connection parallel connection after in parallel with zener diode D4, the other end is connected with the pin 7 of described level transferring chip U4, described element E14 and one end ground connection parallel connection after in parallel with zener diode D5, the other end is connected with 8 of described level transferring chip U4, described element E15 and one end ground connection parallel connection after in parallel with zener diode D6, the described other end is connected with the pin 13 of level transferring chip U4.
Preferably, described CAN interface circuit comprises a CAN interface unit, 2nd CAN interface unit and interface J2, a described CAN interface unit comprises CAN chip U6, electric capacity C33, zener diode D9, D10, element E23, E24 and resistance R29, R30, R40, R41, the pin 6 of described CAN chip U6 is connected with one end of described resistance R30, the other end of described resistance R30 is connected with the pin 2 of described interface J2, the pin 7 of described CAN chip U6 is connected with one end of described resistance R29, the other end of described resistance R29 is connected with one end of described resistance R40, the other end of described resistance R40 is connected with the pin 1 of described interface J2, the pin 6 of described interface J2 is by described resistance R41 ground connection, one end ground connection after described zener diode D9 is in parallel with described element E23, the other end is connected with the pin 7 of described CAN chip U6, one end ground connection after described zener diode D10 is in parallel with described element E24, the other end is connected with the pin 6 of described CAN chip U6, the pin 1 of described CAN chip U6, pin 4 respectively with the pin 71 of described micro controller system U3, 70 connect, the pin 5 (S2) of described interface J2 is connected with the pin 84 of micro controller system U3.
Preferably, described parallel input interface circuit is that four roads walk abreast input interface circuit, wherein a road input interface circuit comprises photoelectrical coupler U12, resistance R8, R15 and interface J1, J13, the pin 1 of described photoelectrical coupler U12 is connected with one end of described resistance R15, the other end of described resistance R15 is connected with the pin 2 of described interface J13, the pin 1 of described interface J13 is connected with described external 24V direct supply, pin 3 ground connection of described interface J13, pin 15 ground connection of described photoelectrical coupler U12, the pin 6 of described photoelectrical coupler U12 is connected with one end of described resistance R8, the other end of described resistance R8 is connected with 3.3V power supply, the pin 2 of described photoelectrical coupler U12 is connected with the pin 6 of described interface J1, the pin 6 of described photoelectrical coupler U12 is connected with the pin 63 of described micro controller system U3.
Preferably, described Zigbee interface circuit comprises Zigbee interface chip J5, interface J10, LED 13, LED8, resistance R85, R87 and electric capacity C70, the pin 14 of described Zigbee interface chip J5 is connected with the pin 83 of described micro controller system U3, the pin 11 of described Zigbee interface chip J5, 12 respectively with the pin 5 of described interface J10, 6 connect, the pin 7 of described Zigbee interface chip J5 is connected with the anode of described LED 13, the negative electrode of described LED 13 is connected with one end of described resistance R87, the other end ground connection of described resistance R87, the pin 10 of described Zigbee interface chip J5 is connected with the anode of described LED 8, the negative electrode of described LED 8 is connected with one end of described resistance R85, the other end ground connection of described resistance R85, the pin 3 of described interface J10, 4 respectively with the pin 69 of described micro controller system U3, 68 connect.
Preferably, described GPRS module comprises SIM card holder U9, GPRS chip U8, electric capacity C44, C45, C46, C47, resistance R82, aerotron Q2, aerotron Q3, resistance R78, R79, R80, R81, R82 and element E38, E39, E40, E41, the pin 7 of described GPRS chip U8, 10 are connected with the collecting electrode of described aerotron Q2 and aerotron Q3 respectively, the base stage of described aerotron Q2 is connected with the pin 54 of described micro controller system U3 by described resistance R83, the base stage of described aerotron Q3 is connected with the pin 53 of described micro controller system U3 by described resistance R78, the grounded emitter of described aerotron Q2 and described aerotron Q3, the pin 45 of described GPRS chip U8, 44 respectively by described resistance R81, the pin 56 of R80 and described micro controller system U3, 55 connect, the pin 49 of described GPRS chip U8 is connected with described GPRS indicator unit, one end ground connection after described electric capacity C44 is in parallel with element E41, the other end is connected with the pin 6 of described SIM card holder U9, one end ground connection after described electric capacity C45 is in parallel with element E40, the other end is connected with the pin 3 of described SIM card holder U9, one end ground connection after described electric capacity C46 is in parallel with element E39, the other end is connected with the pin 2 of described SIM card holder U9, one end ground connection after described electric capacity C47 is in parallel with element E38, the other end is connected with the pin 1 of described SIM card holder U9, the pin 1 of described SIM card holder U9, 2, 3, 6 respectively with the pin 2 of described GPRS chip U8, 6, 5, 4 connect.
Preferably, described ethernet interface circuit comprises Ethernet chip U10, resistance R69, R70, R71, R72 and interface CN1, the pin 1 of described Ethernet chip U10, 2, 3, 4, 5, 6, 43, 44, 45, 46, 41, 39, 38, 42, 40, 31 respectively with the pin 18 of described micro controller system U3, 48, 95, 17, 52, 51, 33, 34, 35, 36, 47, 32, 24, 26, 23, 16 connect, the pin 30 of described Ethernet chip U10 is connected with the pin 25 of described micro controller system U3, the pin 29 of described Ethernet chip U10 is connected with the pin 61 of micro controller system U3, the pin 7 of described Ethernet chip U10 is connected with the pin 31 of described micro controller system U3, the pin 34 of described Ethernet chip U10 is connected with the pin 67 of described micro controller system U3, the pin 13 of described Ethernet chip U10, 14, 16, 17 respectively by described resistance R72, R71, R70, the pin 6 of R69 and described interface CN1, 3, 2, 1 connects.
By following description also by reference to the accompanying drawings, the present invention will become more clear, and these accompanying drawings are for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of data acquisition and transmission terminal one embodiment in elevator remote monitoring system of the present invention.
Fig. 2 is the circuit diagram of power circuit in Fig. 1.
Fig. 3 is the circuit diagram of central control circuit in Fig. 1.
Fig. 4 is the circuit diagram of RS232 interface circuit in Fig. 1.
Fig. 5 is the circuit diagram of RS485 interface circuit in Fig. 1.
Fig. 6 is the circuit diagram of CAN interface circuit in Fig. 1.
Fig. 7 is the circuit diagram of parallel input interface circuit in Fig. 1.
Fig. 8 is the circuit diagram of Zigbee interface circuit in Fig. 1.
Fig. 9 is the circuit diagram of GPRS module in Fig. 1.
Figure 10 is the circuit diagram of ethernet interface circuit in Fig. 1.
Figure 11 is the circuit diagram of SD card read/write circuit.
Figure 12 is the circuit diagram of power light unit in Fig. 1.
Figure 13 is the schematic diagram of elevator remote monitoring system in prior art.
Detailed description of the invention
With reference now to accompanying drawing, describe embodiments of the invention, element numbers similar in accompanying drawing represents similar element.
Please refer to Fig. 1, in elevator remote monitoring system of the present invention, data acquisition and transmission terminal 100 comprise central control circuit 10, Data Input Interface circuit 11, data output interface circuit 12, power circuit 13 and indicator light circuit 14.Wherein Data Input Interface circuit 11 comprises RS232 interface circuit 111, RS485 interface circuit 112, CAN interface circuit 113, parallel input interface circuit 114 and Zigbee interface circuit 115; Data output interface circuit 12 comprises GPRS module 121, ethernet interface circuit 122 and WIFI interface circuit 123.Wherein, RS232 interface circuit 111, RS485 interface circuit 112, CAN interface circuit 113, parallel input interface circuit 114 and Zigbee interface circuit 115 are connected with the input end of central control circuit 10, and GPRS module 121, ethernet interface circuit 122 and WIFI interface circuit 123 are connected with the mouth of central control circuit 10.Power circuit 13 is connected with external 24V direct supply and central control circuit 10, Data Input Interface circuit 11, data output interface circuit 12 and indicator light circuit 14, for 24V direct current (DC) is converted to 3.3V and 3.8V direct current (DC), think that each circuit module provides working power.Indicator light circuit 14 comprises power light unit 141, overhauling elevator indicator unit 142, elevator faults indicator unit 143, data acquisition indicator unit 144, GPRS indicator unit 145, ethernet indicator unit 146 and dry contact input indicator unit 147.In addition, in elevator remote monitoring system, data acquisition and transmission terminal 100 also comprise SD card read/write circuit 15.
Annexation and the principle of work of each circuit module is specifically described below with reference to Fig. 2 to 12.
As shown in Figure 2, power circuit 13 comprises protected location 130, first power conversion unit 131 and second source converting unit 132, and protected location 130 is connected with external 24V direct supply (DC24V), for carrying out reverse connecting protection to circuit; First power conversion unit 131 is connected with protected location 130, for 24V direct supply being converted to DC3.8V power supply and being supplied to GPRS module 121 and antenna; Second source converting unit 132 is connected with protected location 130, for 24V direct supply is converted to DC3.3V power supply, and is supplied to central control circuit 10 and Data Input Interface circuit 11, data output interface circuit 12 and indicator light circuit 14.Concrete; protected location 130 comprises diode V1 and wire fuse FUSE; one end of diode V1 is connected with external 24V direct supply (DC24V); the other end is connected with one end of wire fuse FUSE, and the other end of wire fuse FUSE is connected with the first power conversion unit 131 and second source converting unit 132.First power conversion unit 131 comprises electric capacity C1, C2, C3, power conversion chip U1, inductance L 1, resistance R1, resistance R2 and diode D1, and wherein power conversion chip U1 is specially LM2576-ADJ chip in the present embodiment, one end of electric capacity C1 is connected with the pin 1 of the other end of wire fuse FUSE and power conversion chip U1, the other end of electric capacity C1 and the pin 0 of power conversion chip U1, 3, 5 link together and ground connection GND jointly, the pin 2 of power conversion chip U1 is connected with one end of the negative electrode of diode D1 and inductance L 1, the other end of inductance L 1 exports 3.8V direct supply (VBAT3.8V, be the mouth of the first power conversion unit 131) and with electric capacity C2, one end of electric capacity C3 and resistance R2 connects, the other end of resistance R2 is connected with one end of the pin 4 of power conversion chip U1 and resistance R1, the other end of resistance R1, the other end of electric capacity C2 and electric capacity C3 and the plus earth GND of diode D1, thus achieve, by power conversion chip U1, external 24V direct supply is converted to 3.8V direct supply.Second source converting unit 132 comprises electric capacity C4, C5, C6, power conversion chip U2, inductance L 2 and diode D2, and wherein power conversion chip U2 is specially LM2576-3.3 in the present embodiment, one end of electric capacity C4 is connected with the pin 1 of the other end of wire fuse FUSE and power conversion chip U2, the other end of electric capacity C4 and the pin 0 of power conversion chip U2, 3, 5 link together and ground connection GND jointly, the pin 2 of power conversion chip U2 is connected with one end of the negative electrode of diode D2 and inductance L 2, the other end of inductance L 2 exports 3.3V direct supply (3.3V, be the mouth of second source converting unit 132) and with electric capacity C5, the pin 4 of electric capacity C6 and power conversion chip U2 connects, the other end of electric capacity C5 and electric capacity C6 and the plus earth GND of diode D2, thus achieve, by power conversion chip U2, external 24V direct supply is converted to 3.3V direct supply.
As shown in Figure 3, central control circuit 10 comprises micro controller system U3, inductance L 3, resistance R16, resistance R17, R42, interface J4, J7, interface J9, clock circuit 101, watchdog circuit 102, backup power circuit 103, electric source filter circuit 104 and program test interface circuit 105, and wherein micro controller system U3 is specially STM32F107xx type microprocessor in the present embodiment; One end of inductance L 3 is connected with the pin 22 of micro controller system U3, the other end is connected with 3.3V power supply, the pin 37 (Boot1) of micro controller system U3 is by resistance R17 ground connection, the pin 94 (Boot0) of micro controller system U3 is connected with the pin 2 of interface J7, the pin 1 of interface J7 is connected with 3.3V power supply, the pin 3 of interface J7 is by resistance R16 ground connection, and the pin 1 to 8 of interface J9 is connected with the pin 38,5,4,3,2,1,98,97 of micro controller system U3 respectively, pin 9 to 16 ground connection of interface J9; The pin 1 of interface J4 is connected with the pin 57 (S1) of micro controller system U3, and the pin 2 of interface J4 is by resistance R42 ground connection.Concrete, clock circuit 101 comprises electric capacity C11, C12, C13, C14 and crystal oscillator Y1, Y2; Electric capacity C11, electric capacity C12 and crystal oscillator Y1 connect into master clock circuit, and are connected with the pin 8,9 of micro controller system U3, for providing master clock signal for micro controller system U3; Electric capacity C13, C14 and crystal oscillator Y2 connect into RTC clock circuit, and are connected with the pin 12,13 of micro controller system U3, for providing RTC clock signal for micro controller system U3.Watchdog circuit 102 comprises chip U7 (being specially MAX706 chip in the present embodiment), resistance R73, R74, R75, R76, electric capacity C62 and interface J11, the pin 1 of chip U7 is connected with pin 8, the pin 2 of chip U7 is connected with 3.3V power supply, pin 3 ground connection of chip U7, the pin 4 of chip U7 is by resistance R73 ground connection, the pin 5 of chip U7 is unsettled, the pin 6 of chip U7 is by resistance R74 ground connection, the pin 6 of chip U7 is connected with one end of resistance R75, the other end of resistance R75 is connected with the pin 1 of interface J11, pin 2 and one end of resistance R76 and electric capacity C62 and the pin 14 of micro controller system U3 of interface J11
connect, the application of watchdog circuit 102, makes micro controller system U3 can realize continuous working under unmanned state.Backup power circuit 103 comprises diode V2, diode V3, electric capacity C57, electric capacity C58 and battery BT1, the anode of diode V2 is connected with 3.3V power supply, the negative electrode of diode V2 and the pin 6 (Vb) of micro controller system U3, electric capacity C57, one end of electric capacity C58 and the negative electrode of diode V3 connect, electric capacity C57, the other end ground connection of electric capacity C58, the anode of diode V3 is connected with the positive pole of battery BT1, the negative earth of battery BT1, backup power circuit 103 is for powering to reserve area, maintain micro controller system U3 and comprise the preservation in some interior data etc. such as RTC/BKP register.Electric source filter circuit 104 comprises electric capacity C15, C19, C20, C21, C18 parallel with one another, and the 3.3V power supply that the one end after each Capacitance parallel connection produces with power circuit 13 is connected, other end ground connection.Program test interface circuit 105 is specially jtag test port in the present embodiment, comprise jtag interface J3, resistance R88, R89, R90, R91 and R92, wherein the pin 1 of jtag interface J3 and pin 2 are connected with 3.3V power supply, the pin 3 (JNTRST) of jtag interface J3 is connected with one end of resistance R88 and the pin 90 of micro controller system U3, the pin 5 (JTD1) of jtag interface J3 is connected with one end of resistance R89 and the pin 77 of micro controller system U3, the pin 7 (JTMS) of jtag interface J3 is connected with one end of resistance R90 and the pin 72 of micro controller system U3, the pin 13 (JTD0) of jtag interface J3 is connected with one end of resistance R91 and the pin 89 of micro controller system U3, resistance R88, R89, R90, the other end of R91 and 3.3V power supply, the pin 9 (JTCK) of jtag interface J3 is connected with one end of resistance R92, the other end ground connection of resistance R92, the pin 4 of jtag interface J3, 6, 8, 10, 12, 14, 16, 18, 20 ground connection.
As shown in Figure 4, RS232 interface circuit 111 comprises level transferring chip U4 (being specially MAX232 chip in the present embodiment), socket RS1, socket RS2, electric capacity C27, C28, C29, C30, C31, resistance R18, R19, R20, R21, zener diode D3, D4, D5, D6 and element E12, E13, E14, E15.Wherein, the pin 11 (i.e. U1TXPC) of level transferring chip U4 is connected with the pin 2 of interface J10, and the pin 14 (i.e. RS232TXD PC) of level transferring chip MAX232 is connected with the pin 2 of socket RS1 by resistance R18; The pin 10 (i.e. U2TX232) of level transferring chip U4 is connected with the pin 2 of interface J8, and the pin 7 (i.e. RS232TXD DT) of level transferring chip MAX232 is connected with the pin 2 of socket RS2 by resistance R21; The pin 8 (i.e. RS232RXD DT) of level transferring chip U4 is connected with the pin 3 of socket RS2 by resistance R20, and the pin 12 (i.e. U1RX PC) of level transferring chip U4 is connected with the pin 1 of interface J10; The pin 13 (i.e. RS232RXD PC) of level transferring chip U4 is connected with the pin 3 of socket RS1 by resistance R19, and the pin 9 (U2RX232) of level transferring chip U4 is connected with the pin 1 of interface J8; The pin 3,4 of interface J8 is connected with the pin 87 (U2RX) of micro controller system U3,86 (U2TX) respectively; In addition, element E12 and one end ground connection parallel connection after in parallel with zener diode D3, the other end is connected with the pin 14 of level transferring chip U4, element E13 and one end ground connection parallel connection after in parallel with zener diode D4, the other end is connected with the pin 7 of level transferring chip U4, element E14 and one end ground connection parallel connection after in parallel with zener diode D5, the other end is connected with 8 of level transferring chip U4, element E15 and one end ground connection parallel connection after in parallel with zener diode D6, the other end is connected with the pin 13 of level transferring chip U4; The pin 2,6 of level transferring chip U4 is respectively by electric capacity C27, C28 ground connection, the pin 16 of level transferring chip U4 is connected with 3.3V power supply, the pin 1 of level transferring chip U4 is connected electric capacity C29 with between pin 3, the pin 4 of level transferring chip U4 is connected electric capacity C31 with between pin 5, pin 10,11 ground connection of socket RS1 and socket RS2.
As shown in Figure 5, RS485 interface circuit 112 comprises interface chip MAX485, electric capacity C32, resistance R22, R23, R24, R25, R26, zener diode D7, D8, element E19, E45, interface J12 and interface J1, J8, the wherein pin 6 of interface chip MAX485 and one end of resistance R22 and resistance R24, the negative electrode of zener diode D7, one end of element E45 and one end of resistance R25 connect, the other end of resistance R22 is connected with 3.3V power supply, the other end of resistance R24 is connected with the pin 1 of interface J12, the anode of zener diode D7 and the other end ground connection of element E45, the other end of resistance R25 is connected with the pin 13 (A/DATA-) of interface J1, one end of the pin 2 of the pin 7 of interface chip MAX485 and one end of resistance R23, interface J12, the negative electrode of zener diode D8, one end of element E19 and resistance R26 is connected, the other end ground connection of resistance R23, the anode of zener diode D8 and the other end ground connection of element E19, the other end of resistance R26 is connected with the pin 14 (B/DATA-) of interface J1, the pin 1 (U2RX485) of interface chip MAX485 and pin 4 (U2TX485) are connected with the pin 5 of interface J8, pin 6 respectively, the pin 2 of interface chip MAX485 and pin 3 (R/D) are connected with the pin 85 of micro controller system U3 jointly, the transmitting-receiving of micro controller system U3 control interface chip MAX485, when the pin 85 of micro controller system U3 exports as low level, for receiving mode, when the pin 85 of micro controller system U3 exports as high level, it is sending mode, in addition the pin 8 of interface chip MAX485 is connected with 3.3V power supply, and electric capacity C32 carries out filtering to the power supply of input interface chip MAX485.
From the above, the serial ports 2 (USART2) of RS232 interface and RS485 interface shared microcontroller U3 in the present embodiment, and RS232 and RS485 interface circuit adopts MAX232, MAX485 chip as interface chip respectively, and select RS232 or RS485 by wire jumper.
As shown in Figure 6, CAN interface circuit 113 comprises a CAN interface unit 1131, the 2nd CAN interface unit 1132 and interface J2, wherein a CAN interface unit 1131 comprises CAN chip U6, electric capacity C33, zener diode D9, D10, element E23, E24 and resistance R29, R30, R40, R41, and the 2nd CAN interface unit 1132 comprises CAN chip U11, electric capacity C35, zener diode D11, D12, element E28, E29 and resistance R33, R34, R39.Specifically describe the circuit connecting relation of a CAN interface unit 1131 below: the pin 6 of CAN chip U6 is connected with one end of resistance R30, the other end (CAN1NL) of resistance R30 is connected with the pin 2 of interface J2, the pin 7 of CAN chip U6 is connected with one end of resistance R29, the other end (CAN1NH) of resistance R29 is connected with one end of resistance R40, the other end of resistance R40 is connected with the pin 1 of interface J2, the pin 6 of interface J2 is by resistance R41 ground connection, one end ground connection after zener diode D9 is in parallel with element E23, the other end is connected with the pin 7 of CAN chip U6, one end ground connection after zener diode D10 is in parallel with element E24, the other end is connected with the pin 6 of CAN chip U6, the pin 1 (CAN1TX) of CAN chip U6, pin 4 (CAN1RX) respectively with the pin 71 of micro controller system U3, 70 connect, pin 2 ground connection of CAN chip U6, the pin 3 of CAN chip U6 is connected with one end of 3.3V power supply and electric capacity C33, the other end ground connection of electric capacity C33, and the pin 5 (S2) of interface J2 is connected with the pin 84 of micro controller system U3.In 2nd CAN interface unit 1132, the annexation of each element is corresponding with the annexation of each element in a CAN interface unit 1131, is not described in detail herein.It should be noted that, one CAN interface unit 1131 is as data acquisition interface, for the data acquisition of the apparatus for controlling elevator with CAN communication agreement, 2nd CAN interface unit 1132 is as a band multiplex roles, for the multiple elevator in community, only on an elevator control gear, GPRS or ethernet need be installed, then by CAN interface, multiple elevator control gear is connected, thus the data of other elevator collections can by CAN interface pass to GPRS or ethernet have been installed control setup on, and then can the data of elevators all in community be passed back server by a device.
As shown in Figure 7, parallel input interface circuit 114 comprises four photoelectrical coupler U12, resistance R8, R9, R10, R11, R12, R13, R14, R15 and interface J1, J13.Said elements connects into four roads and to walk abreast input interface, below with photoelectrical coupler U12, the road input interface that walks abreast that resistance R8 is formed is that example is described in detail: the pin 1 of photoelectrical coupler U12 is connected with one end of resistance R15, the other end of resistance R15 is connected with the pin 2 of interface J13, the pin 1 of interface J13 is connected with external 24V direct supply, pin 3 ground connection of interface J13, pin 15 ground connection of photoelectrical coupler U12, the pin 6 of photoelectrical coupler U12 is connected with one end of resistance R8, the other end of resistance R8 is connected with 3.3V power supply, the pin 2 (X1) of photoelectrical coupler U12 is connected with the pin 6 of interface J1, the pin 6 (XX1) of photoelectrical coupler U12 is connected with the pin 63 of micro controller system U3, during work, photoelectrical coupler U12 carries out Phototube Coupling to the signal inputted from pin 2 (X1), then from pin 6 (XX1) outputs level signals 0 or 1 to micro controller system U3.In like manner, the circuit of three-channel parallel input interface connects in addition and principle of work is unanimously the same, is not described in detail herein.Parallel input interface circuit 114 can be used as car passenger and respond to the detection waiting signal, and reserves other purposes, and its function can be carried out self-defined.
As shown in Figure 8, Zigbee interface circuit 115 comprises Zigbee interface chip J5, interface J10, LED 13, LED8, resistance R85, R87 and electric capacity C70, and wherein the pin 14 (ZIG RST) of Zigbee interface chip J5 is connected with the pin 83 of micro controller system U3; Pin 11 (U1RX ZIGBEE), 12 (the U1TX ZIGBEE) of Zigbee interface chip J5 are connected with the pin 5,6 of interface J10 respectively; The pin 7 of Zigbee interface chip J5 is connected with the anode of LED 13, and the negative electrode of LED 13 is connected with one end of resistance R87, the other end ground connection of resistance R87; The pin 10 of Zigbee interface chip J5 is connected with the anode of LED 8, and the negative electrode of LED 8 is connected with one end of resistance R85, the other end ground connection of resistance R85; The pin 9 of Zigbee interface chip J5 is connected with 3.3V power supply; Pin 3 (U1RX), 4 (U1TX) of interface J10 are connected with the pin 69,68 of micro controller system U3 respectively.
From Fig. 4 to Fig. 8, in elevator remote monitoring system of the present invention, data acquisition and transmission terminal 100 are provided with multiple serial input interface (as RS232, RS485 and CAN interface) and parallel input interface as data acquisition interface.According to different communication protocol, user can unrestricted choice RS232 or RS485 or CAN interface image data, and only need simple setting, Applicable scope is wider.Simultaneously, multidiameter delay input port adopts two-way optocoupler to carry out the Phototube Coupling of signal, and outputs level signals 0 or 1 is to micro controller system U3, parallel input port can be used as the detection that car passenger such as to respond at the signal, and other purposes reserved, function can be self-defined, thus can expand more function.
Distinguish data of description output interface circuit 12 below:
As shown in Figure 9, GPRS module 121 comprises SIM card holder U9, GPRS chip U8, electric capacity C44, C45, C46, C47, C48, C49, C50, C51, C52, C53, C54, C55, C56, C60, resistance R82, aerotron Q2, aerotron Q3, aerotron Q4, resistance R78, R79, R80, R81, R82, R86, element E38, E39, E40, E41, LED 7 and interface P2.Wherein, electric capacity C48, C49, C50, C51, C52, C53, C54, C55 composes in parallel filter circuit, and pin 26 and the pin 27 of one end of this filter circuit and VBAT3.8V power supply and GPRS chip U8 are connected, the pin 1 of the other end and GPRS chip U8, 21, 22, 24, 25, 28, pin 8 and VBAT3.8V power supply and the electric capacity C56 of 46 common ground GND, GPRS chip U8, one end of electric capacity C60 connects, electric capacity C56, the other end ground connection of electric capacity C60, the pin 7 of GPRS chip U8, 10 are connected with the collecting electrode of aerotron Q2 and aerotron Q3 respectively, the base stage of aerotron Q2 is connected with the pin 54 (RST GPRS CTL) of micro controller system U3 by resistance R83, the base stage of aerotron Q3 is connected with the pin 53 (PWR GPRS CTL) of micro controller system U3 by resistance R78, the grounded emitter of aerotron Q2 and aerotron Q3, the pin 45 of GPRS chip U8, 44 respectively by resistance R81, the pin 56 (U3RX) of R80 and micro controller system U3, 55 (U3TX) connects, the pin 39 of GPRS chip U8 is connected with the base stage of aerotron Q4 by resistance R79, the emitter of aerotron Q4 is connected with the negative electrode of LED 7, the anode of LED 7 is connected with VBAT3.8V power supply, the grounded collector of aerotron Q4, the pin 23 of GPRS chip U8 is connected with the pin 1 of interface P2, pin 2 ground connection of interface P2, and the pin 49 of GPRS chip U8 is connected with GPRS indicator unit, one end ground connection after electric capacity C44 is in parallel with element E41, the other end is connected with the pin 6 (SIM DATA) of SIM card holder U9, one end ground connection after electric capacity C45 is in parallel with element E40, the other end is connected with the pin 3 (SIM CLK) of SIM card holder U9, one end ground connection after electric capacity C46 is in parallel with element E39, the other end is connected with the pin 2 (SIM RST) of SIM card holder U9, one end ground connection after electric capacity C47 is in parallel with element E38, the other end is connected with the pin 1 (SIM VCC) of SIM card holder U9, pin 4 ground connection of SIM card holder U9, meanwhile, the pin 1,2,3,6 of SIM card holder U9 is connected with the pin 2,6,5,4 of GPRS chip U8 respectively.During work, micro controller system U3 is connected with GPRS module 121 by serial ports 3 (i.e. pin U3TX and pin U3RX), and send data to GPRS module 121, GPRS module 121 is transferred to internet by GPRS network, finally transfers to server.
As shown in Figure 10, ethernet interface circuit 122 comprises Ethernet chip U10 (being specially DP83848 chip in the present embodiment), resistance R59, R60, R61, R62, R63, R64, R65, R66, R69, R70, R71, R72, electric capacity C37, C38, C39, C40, C41, C42, C43, interface CN1 (can be HR911105A chip in the present embodiment).The pin 1 of Ethernet chip U10, pin 2 is respectively by resistance R43, the pin 18 of resistance R44 and micro controller system U3, pin 48 connects, and pin 3 to the pin 6 of Ethernet chip U10 is respectively by resistance R45, R46, R47, the pin 95 of R48 and micro controller system U3, 17, 52, 51 connect, the pin 40 of Ethernet chip U10, 42 respectively by resistance R49, the pin 23 of R50 and micro controller system U3, 26 connect, and the pin 38 of Ethernet chip U10 is connected with the pin 24 of micro controller system U3 by resistance R51, and pin 43 to the pin 46 of Ethernet chip U10 is respectively by resistance R55, R54, R53, the pin 33 of R52 and micro controller system U3, 34, 35, 36 connect, the pin 39 of Ethernet chip U10, 41 respectively by resistance R56, the pin 32 of R57 and micro controller system U3, 47 connect, the pin 31 of Ethernet chip U10 is connected with the pin 16 of micro controller system U3, the pin 30 of Ethernet chip U10 is connected with one end of resistance R59 and resistance R58, the other end of resistance R59 is connected with 3.3V power supply, the other end of resistance R58 is connected with the pin 25 of micro controller system U3, the pin 29 of Ethernet chip U10 is connected with the pin 61 of micro controller system U3, the pin 7 of Ethernet chip U10 is connected with resistance R60 and resistance R one end, the other end of resistance R60 is connected with 3.3V power supply, and the other end of resistance R is connected with the pin 31 of micro controller system U3, the pin 34 (MCO) of Ethernet chip U10 is connected with the pin 67 of micro controller system U3, and the pin 24 of Ethernet chip U10 passes through resistance R61 ground connection, electric capacity C37, C38, C39, the pin 18 of the one end after C40 parallel connection and Ethernet chip U10, 23, 37 connect, other end ground connection, the pin 15 of Ethernet chip U10, 19, 35, 47, 36 ground connection, the pin 22 of Ethernet chip U10, 32, 48 are connected with 3.3V power supply, the pin 20 of Ethernet chip U10, 21 respectively by resistance R62, R63 and 3.3V power supply connects, the pin 26 of Ethernet chip U10, 27, 28 respectively by resistance R64, R65, R66 and 3.3V power supply connects, the pin 13 (RD-) of Ethernet chip U10, 14 (RD+), 16 (TD-), 17 (TD+) are respectively by resistance R72, R71, R70, the pin 6 of R69 and interface CN1, 3, 2, 1 connects, the pin 4 of interface CN1, pin 5 is connected with 3.3V power supply, wherein, and electric capacity C41, C42, C43 composes in parallel filter circuit, for carrying out filtering to 3.3V power supply.During work, micro controller system U3 transfers data to internet by ethernet interface circuit 122, finally transfers to server.
It should be noted that, in the present invention, data input one band is multi-functional except being realized by CAN interface circuit 113, can also be realized by the transmission over radio of ZigBee interface circuit 115, the transmission mechanism of ZigBee transmission over radio is consistent with the mechanism of CAN communication, is not described in detail herein.
In addition, in elevator remote monitoring system of the present invention, data acquisition and transmission terminal also comprise SD card read/write circuit 15, SD cartoon and cross SPI pattern and communicate with micro controller system U3, and micro controller system U3 carries out read-write operation by bus SPI signalling methods to the data in SD.Concrete, as shown in figure 11, SD card read/write circuit 15 comprises SD card socket SD1, resistance R35, R36, R37, R38 and element E31, E32, E34, E35, the wherein pin 2 (SPI13NSS) of SD card socket SD1 and the pin 29 of micro controller system U3 and element E31, one end of resistance R38 connects, the other end ground connection of element E31, the other end of resistance R38 is connected with 3.3V power supply, the pin 3 (SPI13MOSI) of SD card socket SD1 and the pin 80 of micro controller system U3 and element E32, one end of resistance R37 connects, the other end ground connection of element E32, the other end of resistance R37 is connected with 3.3V power supply, the pin 4 of SD card socket SD1 is connected with 3.3V power supply, the pin 5 (SPI13SCK) of SD card socket SD1 and the pin 78 of micro controller system U3 and element E34, one end of resistance R36 connects, the other end ground connection of element E34, the other end of resistance R36 is connected with 3.3V power supply, pin 6 ground connection of SD card socket SD1, the pin 7 (SPI13MISO) of SD card socket SD1 and the pin 79 of micro controller system U3 and element E35, one end of resistance R35 connects, the other end ground connection of element E35, the other end of resistance R35 is connected with 3.3V power supply.
As shown in Figures 2 to 11, indicator light circuit 14 comprises power light unit 141, overhauling elevator indicator unit 142, elevator faults indicator unit 143, data acquisition indicator unit 144, GPRS indicator unit 145, ethernet indicator unit 146 and dry contact input indicator unit 147.Concrete, as shown in figure 12, power light unit 141 comprises LED 1, resistance R3, LED 6 and resistance R4, the anode of LED 1 is connected with the mouth (3.3V) of second source converting unit 132, the negative electrode of LED 1 is connected with one end of resistance R3, the other end ground connection of resistance R3; The anode of LED 6 is connected with the mouth (VBAT3.8V) of the first power conversion unit 131, and the negative electrode of LED 6 is connected with one end of resistance R4, the other end ground connection of resistance R4; Thus when two power supplys (3.3V and 3.8V) are all normal, two indicator lamps are all bright, and any one lamp goes out, and represent this power supply mal.Overhauling elevator indicator unit 142 comprises LED 3 and resistance R5, the anode of LED 3 is connected with the mouth (3.3V) of second source converting unit 132, the negative electrode of LED 3 is connected with one end of resistance R5, resistance R5 other end ground connection, when elevator is in inspecting state, this indicator lamp (LED 3) is bright, otherwise then goes out.Elevator faults indicator unit 143 comprises LED 4 and resistance R6, the anode of LED 4 is connected with the mouth (3.3V) of second source converting unit 132, the negative electrode of LED 4 is connected with one end of resistance R6, resistance R4 other end ground connection, when elevator is in fault, this indicator lamp (LED 4) is bright, otherwise then goes out.Data acquisition indicator unit 144 comprises LED 2 and resistance R7, the anode of LED 2 is connected with the mouth (3.3V) of second source converting unit 132, the negative electrode of LED 2 is connected with one end of resistance R7, resistance R7 other end ground connection, when data acquisition is normal, this indicator lamp (LED 2) is bright, otherwise then goes out.GPRS indicator unit 145 comprises LED 5, resistance R84, resistance R83 and aerotron Q1, the anode of LED 5 is connected with the mouth (3.8V) of the first power conversion unit 131, the negative electrode of LED 5 is connected with one end of resistance R84, the resistance R84 other end is connected with the emitter of aerotron Q1, the base stage of aerotron Q1 is connected with GPRS module 121 by resistance R83, the grounded collector of aerotron Q1, thus when GPRS module 121 communicates normal, every 75ms is bright for this indicator lamp (LED 5), go out once, when GPRS module 121 communication abnormality, it is bright that this indicator lamp carries out 75ms, the circulation that 3s goes out.Ethernet indicator unit 146 comprises resistance R67, resistance R68 and two light-emitting diode (not drawing in Figure 10), wherein two light-emitting diodes are respectively yellow and green LED, one end of resistance R67 and resistance R68 is connected with the anode of two light-emitting diodes respectively, the negative electrode of two light-emitting diodes is connected with the pin 9 of interface CN1, pin 12 respectively, the other end of resistance R67, resistance R68 is connected with 3.3V power supply, when Ethernet data transmission is normal, yellow, green two indicator lamps are flicker alternately, otherwise then goes out.Dry contact input indicator unit 147 comprises LED 9, LED10, LED11 and LED12, dry contact input indicator unit 147 is connected with parallel input interface circuit 114, four light-emitting diodes are connected on four road parallel input port, concrete, the anode of LED 9 is connected with 3.3V power supply, the negative electrode of LED 9 is connected with the other end of resistance R8, and the annexation of other light-emitting diodes is consistent, is not described in detail herein.
More than in conjunction with most preferred embodiment, invention has been described, but the present invention is not limited to the embodiment of above announcement, and should contain various carry out according to essence of the present invention amendment, equivalent combinations.
Claims (10)
1. data acquisition and transmission terminal in an elevator remote monitoring system, comprise central control circuit, Data Input Interface circuit and data output interface circuit, it is characterized in that, described Data Input Interface circuit comprises RS232 interface circuit, RS485 interface circuit and CAN interface circuit, described data output interface circuit comprises GPRS module and ethernet interface circuit, described RS232 interface circuit, RS485 interface circuit and CAN interface circuit are connected with the input end of described central control circuit, described GPRS module and described ethernet interface circuit are connected with the mouth of described central control circuit.
2. data acquisition and transmission terminal in elevator remote monitoring system as claimed in claim 1, it is characterized in that, described Data Input Interface circuit also comprises the parallel data input interface circuit and Zigbee interface circuit that are connected with described central control circuit.
3. data acquisition and transmission terminal in elevator remote monitoring system as claimed in claim 2, it is characterized in that, also comprise power circuit and indicator light circuit, described power circuit comprises protected location, first power conversion unit and second source converting unit, described protected location is connected with external 24V direct supply, described first power conversion unit is connected with described protected location and described GPRS module, described second source converting unit and described protected location and described central control circuit, RS232 interface circuit, RS485 interface circuit, CAN interface circuit, parallel data input interface circuit, Zigbee interface circuit, ethernet interface circuit and described indicator light circuit connect, and described indicator light circuit comprises the power light unit be connected with described central control circuit respectively, overhauling elevator indicator unit, elevator faults indicator unit, data acquisition indicator unit, GPRS indicator unit, ethernet indicator unit and dry contact input indicator unit.
4. data acquisition and transmission terminal in elevator remote monitoring system as claimed in claim 3, it is characterized in that, described central control circuit comprises micro controller system U3, clock circuit, watchdog circuit, backup power circuit, electric source filter circuit and program test interface circuit, and described clock circuit, watchdog circuit, backup power circuit, electric source filter circuit and program test interface circuit are connected with described micro controller system U3, described watchdog circuit comprises chip U7, resistance R73, R74, R75, R76, electric capacity C62 and interface J11, the pin 1 of described chip U7 is connected with pin 8, the pin 2 of described chip U7 is connected with 3.3V power supply, pin 3 ground connection of described chip U7, the pin 4 of described chip U7 is by described resistance R73 ground connection, the pin 6 of described chip U7 is by described resistance R74 ground connection, the pin 6 of described chip U7 is connected with one end of described resistance R75, the other end of described resistance R75 is connected with the pin 1 of described interface J11, the pin 2 of described interface J11 is connected with one end of described resistance R76 and described electric capacity C62 and the pin 14 of described micro controller system U3, described backup power circuit comprises diode V2, diode V3, electric capacity C57, electric capacity C58 and battery BT1, the anode of described diode V2 is connected with 3.3V power supply, the negative electrode of described diode V2 and the pin 6 of described micro controller system U3, described electric capacity C57, one end of described electric capacity C58 and the negative electrode of described diode V3 connect, described electric capacity C57, the other end ground connection of electric capacity C58, the anode of described diode V3 is connected with the positive pole of described battery BT1, the negative earth of described battery BT1.
5. data acquisition and transmission terminal in elevator remote monitoring system as claimed in claim 4, it is characterized in that, described RS232 interface circuit comprises level transferring chip U4, socket RS1, socket RS2, zener diode D3, D4, D5, D6, element E12, E13, E14, E15 and interface J8, J10, the pin 11 of described level transferring chip U4 is connected with the pin 2 of interface J10, the pin 14 of described level transferring chip MAX232 is connected with the pin 2 of described socket RS1, the pin 10 of described level transferring chip U4 is connected with the pin 2 of described interface J8, the pin 7 of described level transferring chip MAX232 is connected with the pin 2 of described socket RS2, the pin 8 of described level transferring chip U4 is connected with the pin 3 of described socket RS2, the pin 12 of described level transferring chip U4 is connected with the pin 1 of described interface J10, the pin 13 of described level transferring chip U4 is connected with the pin 3 of described socket RS1, the pin 9 of described level transferring chip U4 is connected with the pin 1 of described interface J8, the pin 3 of described interface J8, 4 respectively with the pin 87 of described micro controller system U3, 86 connect, described element E12 and one end ground connection parallel connection after in parallel with described zener diode D3, the other end is connected with the pin 14 of described level transferring chip U4, described element E13 and one end ground connection parallel connection after in parallel with zener diode D4, the other end is connected with the pin 7 of described level transferring chip U4, described element E14 and one end ground connection parallel connection after in parallel with zener diode D5, the other end is connected with 8 of described level transferring chip U4, described element E15 and one end ground connection parallel connection after in parallel with zener diode D6, the described other end is connected with the pin 13 of level transferring chip U4.
6. data acquisition and transmission terminal in elevator remote monitoring system as claimed in claim 5, it is characterized in that, described CAN interface circuit comprises a CAN interface unit, 2nd CAN interface unit and interface J2, a described CAN interface unit comprises CAN chip U6, electric capacity C33, zener diode D9, D10, element E23, E24 and resistance R29, R30, R40, R41, the pin 6 of described CAN chip U6 is connected with one end of described resistance R30, the other end of described resistance R30 is connected with the pin 2 of described interface J2, the pin 7 of described CAN chip U6 is connected with one end of described resistance R29, the other end of described resistance R29 is connected with one end of described resistance R40, the other end of described resistance R40 is connected with the pin 1 of described interface J2, the pin 6 of described interface J2 is by described resistance R41 ground connection, one end ground connection after described zener diode D9 is in parallel with described element E23, the other end is connected with the pin 7 of described CAN chip U6, one end ground connection after described zener diode D10 is in parallel with described element E24, the other end is connected with the pin 6 of described CAN chip U6, the pin 1 of described CAN chip U6, pin 4 respectively with the pin 71 of described micro controller system U3, 70 connect, the pin 5 (S2) of described interface J2 is connected with the pin 84 of micro controller system U3.
7. data acquisition and transmission terminal in elevator remote monitoring system as claimed in claim 4, it is characterized in that, described parallel input interface circuit is that four roads walk abreast input interface circuit, wherein a road input interface circuit comprises photoelectrical coupler U12, resistance R8, R15 and interface J1, J13, the pin 1 of described photoelectrical coupler U12 is connected with one end of described resistance R15, the other end of described resistance R15 is connected with the pin 2 of described interface J13, the pin 1 of described interface J13 is connected with described external 24V direct supply, pin 3 ground connection of described interface J13, pin 15 ground connection of described photoelectrical coupler U12, the pin 6 of described photoelectrical coupler U12 is connected with one end of described resistance R8, the other end of described resistance R8 is connected with 3.3V power supply, the pin 2 of described photoelectrical coupler U12 is connected with the pin 6 of described interface J1, the pin 6 of described photoelectrical coupler U12 is connected with the pin 63 of described micro controller system U3.
8. data acquisition and transmission terminal in elevator remote monitoring system as claimed in claim 4, it is characterized in that, described Zigbee interface circuit comprises Zigbee interface chip J5, interface J10, LED 13, LED8, resistance R85, R87 and electric capacity C70, the pin 14 of described Zigbee interface chip J5 is connected with the pin 83 of described micro controller system U3, the pin 11 of described Zigbee interface chip J5, 12 respectively with the pin 5 of described interface J10, 6 connect, the pin 7 of described Zigbee interface chip J5 is connected with the anode of described LED 13, the negative electrode of described LED 13 is connected with one end of described resistance R87, the other end ground connection of described resistance R87, the pin 10 of described Zigbee interface chip J5 is connected with the anode of described LED 8, the negative electrode of described LED 8 is connected with one end of described resistance R85, the other end ground connection of described resistance R85, the pin 3 of described interface J10, 4 respectively with the pin 69 of described micro controller system U3, 68 connect.
9. data acquisition and transmission terminal in elevator remote monitoring system as claimed in claim 4, it is characterized in that, described GPRS module comprises SIM card holder U9, GPRS chip U8, electric capacity C44, C45, C46, C47, resistance R82, aerotron Q2, aerotron Q3, resistance R78, R79, R80, R81, R82 and element E38, E39, E40, E41, the pin 7 of described GPRS chip U8, 10 are connected with the collecting electrode of described aerotron Q2 and aerotron Q3 respectively, the base stage of described aerotron Q2 is connected with the pin 54 of described micro controller system U3 by described resistance R83, the base stage of described aerotron Q3 is connected with the pin 53 of described micro controller system U3 by described resistance R78, the grounded emitter of described aerotron Q2 and described aerotron Q3, the pin 45 of described GPRS chip U8, 44 respectively by described resistance R81, the pin 56 of R80 and described micro controller system U3, 55 connect, the pin 49 of described GPRS chip U8 is connected with described GPRS indicator unit, one end ground connection after described electric capacity C44 is in parallel with element E41, the other end is connected with the pin 6 of described SIM card holder U9, one end ground connection after described electric capacity C45 is in parallel with element E40, the other end is connected with the pin 3 of described SIM card holder U9, one end ground connection after described electric capacity C46 is in parallel with element E39, the other end is connected with the pin 2 of described SIM card holder U9, one end ground connection after described electric capacity C47 is in parallel with element E38, the other end is connected with the pin 1 of described SIM card holder U9, the pin 1 of described SIM card holder U9, 2, 3, 6 respectively with the pin 2 of described GPRS chip U8, 6, 5, 4 connect.
10. data acquisition and transmission terminal in elevator remote monitoring system as claimed in claim 4, it is characterized in that, described ethernet interface circuit comprises Ethernet chip U10, resistance R69, R70, R71, the pin 1 of R72 and interface CN1, described Ethernet chip U10, 2, 3, 4, 5, 6, 43, 44, 45, 46, 41, 39, 38, 42, 40, 31 respectively with the pin 18 of described micro controller system U3, 48, 95, 17, 52, 51, 33, 34, 35, 36, 47, 32, 24, 26, 23, 16 connect, the pin 30 of described Ethernet chip U10 is connected with the pin 25 of described micro controller system U3, the pin 29 of described Ethernet chip U10 is connected with the pin 61 of micro controller system U3, the pin 7 of described Ethernet chip U10 is connected with the pin 31 of described micro controller system U3, the pin 34 of described Ethernet chip U10 is connected with the pin 67 of described micro controller system U3, the pin 13 of described Ethernet chip U10, 14, 16, 17 respectively by described resistance R72, R71, R70, the pin 6 of R69 and described interface CN1, 3, 2, 1 connects.
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| CN109189709A (en) * | 2018-11-12 | 2019-01-11 | 郑州源创智控有限公司 | Communication transfer interface module for silo communication |
| JP7361873B1 (en) | 2022-11-17 | 2023-10-16 | 三菱電機ビルソリューションズ株式会社 | Elevator remote inspection system and elevator remote inspection method |
| JP7361872B1 (en) | 2022-11-17 | 2023-10-16 | 三菱電機ビルソリューションズ株式会社 | Elevator remote inspection system and elevator remote inspection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105806404A (en) * | 2016-03-14 | 2016-07-27 | 成都爆米花信息技术有限公司 | Double-power-supply data collection device |
| CN107688306A (en) * | 2016-08-04 | 2018-02-13 | 重庆节节高科技发展有限公司 | A kind of remote control module for safety means detection |
| CN109189709A (en) * | 2018-11-12 | 2019-01-11 | 郑州源创智控有限公司 | Communication transfer interface module for silo communication |
| JP7361873B1 (en) | 2022-11-17 | 2023-10-16 | 三菱電機ビルソリューションズ株式会社 | Elevator remote inspection system and elevator remote inspection method |
| JP7361872B1 (en) | 2022-11-17 | 2023-10-16 | 三菱電機ビルソリューションズ株式会社 | Elevator remote inspection system and elevator remote inspection method |
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