CN101866515A - Thermal control device for prepaying with noncontact-type smart IC card - Google Patents
Thermal control device for prepaying with noncontact-type smart IC card Download PDFInfo
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- CN101866515A CN101866515A CN 201010209735 CN201010209735A CN101866515A CN 101866515 A CN101866515 A CN 101866515A CN 201010209735 CN201010209735 CN 201010209735 CN 201010209735 A CN201010209735 A CN 201010209735A CN 101866515 A CN101866515 A CN 101866515A
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Abstract
The invention relates to a thermal control device for prepaying with a noncontact-type smart IC card, mounted in a thermal power station of a civil central heating system. The device mainly comprises a shell and components in the shell, i.e. a power supply, a contact-type operation controller, a noncontact-type smart IC card reader, public communication network modules of CDMA (Code Division Multiple Access)/GPRS (General Packet Radio Service)/ADSL (Asymmetric Digital Subscriber Line), and the like, an RS (Recommended Standard) 485 MOD-BUS communication module, an M-BUS heat meter communication module, a multi-branch electric valve control module, a multi-branch electric valve state detection module, and the like. By the device, the prepaying functions of the IC card for central heating, the storage of paying data, transaction records, heat consumption data, and the like can be realized. The device is used for collecting a heat meter according with an M-BUS communication standard protocol, transmitting partial data to local other smart equipment through an RS 485 interface and transmitting the information of the real-time data, the transaction records, the heat consumption data, and the like to an upper management system through communication interfaces of the public communication networks of CDMA/GPRS/ADSL, and the like so that heat supply enterprises can acknowledge the heat consumption requirements and the transaction conditions of heat users in time, and the modern management levels of the heat supply enterprises are improved.
Description
Technical field
The present invention relates to heat supply (cold) measure control technology, especially relate to the heat control device of using that utilizes non-contact intelligent IC-card pre-payment, be used to realize that heating enterprise is at the work such as pre-payment management, control, warning and remote monitoring of big customer with heat.
Background technology
At present; the phenomenon that China city thermal corporate client is in arrears with the heat expense is very serious; press for the problem that adopts the charging administration system solution of science more to exist; protection enterprise legitimate right; improve heating quality, improve rate of charge, reduce Thermal Corp's business risk; further ensure safety, the stable operation of district heating system, realize efficient, the low-carbon (LC) of city heat supply, the sustainable development of science.
The most classic methods that adopt human metering, press for payment of to the doorstep of Fare Collection System in the past, labor workload is big, and the defective that classic method is intrinsic causes the client to be in arrears with the phenomenon of heat expense, heating enterprise can't in time be grasped user's the actual heat of using, and has a strong impact on the science of heat supply network scheduling.
Summary of the invention
The present invention be directed to that the management of heat bulk sale mode thermal substation and control are implemented in concentrated supply of heating in the city and a kind of thermal control device for prepaying with noncontact-type smart IC card that is installed on the urban district heating system thermal substation of designing, its objective is by this and raise the efficiency with heat control device, reduce energy consumption, reduce cost of labor, handling cost and operation cost, accelerate money collecting, and then realize the scientific and standardization of toll administration.
In order to realize purpose of the present invention, a kind of thermal control device for prepaying with noncontact-type smart IC card of special proposition, this control device comprises operation control, non-contact intelligent IC-card card reader, CDMA/GPRS/ADSL public communication network module, RS485 MOD-BUS communication module, M-BUS heat meter communication module, visual alarm and ups power, wherein, described operation control is touch operation control, it comprises the embedded type CPU central control unit, the FLASH data-carrier store, touch display screen, the IC-card card reader interface, the heat meter communication interface, CDMA/GPRS/ADSL public communication network interface, multiple-limb motorized valve control module, multiple-limb motorized valve state detection module, wherein
The embedded type CPU central control unit is finished the executive routine function of calculating, logical process, demonstration, Stored Procedure;
The FLASH data-carrier store is used for procedure stores, unloading recording storage, with hot recording storage function,
Touch display screen is used for data presentation, the transaction interface of man-machine interaction is provided, inquires about, manually overhauls function with hot record queries, essential information;
The IC-card card reader interface adopts the RS232 interface to be connected with described card reader, realizes the trading function of IC-card data;
The heat meter communication interface adopts the M-BUS communication protocol, read simultaneously and comprise heating and domestic hot-water's polylith heat meter data, these data comprise supply water temperature, return water temperature, instantaneous delivery, instantaneous heat, integrated flow, heat accumulative (wherein thermal data is directly calculated by heat meter), transfer to described embedded type CPU central control unit, CDMA/GPRS/ADSL public communication network by the M-BUS communication protocol;
The public communication network interface adopts the RS232 interface to be connected with CDMA/GPRS/ADSL public communication network module, and heat meter data, transaction data, alert data, maintenance situation are sent to the host computer management system.
Described uninterrupted ups power is included as the The whole control device power supply environment safely, uninterruptedly is provided, and guarantees that external power source breaks down or because artificial origin when causing power failure, in time valve-off and to the circuit part of upper system alarm.
Described multiple-limb motorized valve control module comprises the circuit arrangement of the ON/OFF control of controlling multichannel heat supply branch motorized valve simultaneously; Multiple-limb motorized valve state detection module has the circuit arrangement of the virtual condition that detects multichannel heat supply branch motorized valve simultaneously.
Described visual alarm comprises and is used for heat expense Sorry, your ticket has not enough value, the circuit module that the prompting operator on duty notes is reported to the police in the flicker of power cut-off, instrument fault, communicating interrupt, failsafe valve, logic fault, Card Reader fault.
Described heat metering device comprises: flowmeter, thermal resistance, integraph; Described control device comprises motorized valve.
Described IC-card card reader interface adopts the RS232 interface to be connected with card reader, realizes the trading function of IC-card data; The IC-card card reader adopts the radio-frequency (RF) base station controller, and this radio-frequency (RF) base station controller adopts the ESAM safety chip to come sensitive information is stored, and is responsible for using that key carries out variously adding, decrypt operation.
Can realize central heating IC-card pre paid functionality by of the present invention with heat control device, storage payment data, transaction record, heat exhaustion data etc., this device can be gathered the heat meter that meets M-BUS communication standard agreement simultaneously, by the RS485 interface partial data is transferred to local other smart machines, and information such as real time data, transaction record, heat exhaustion data are transferred to upper management system by public communication network communication interfaces such as CDMA/GPRS/ADSL, make heating enterprise timely analgesic user with heat and transaction situation.
Description of drawings
Fig. 1 is a thermal control device for prepaying with noncontact-type smart IC card one-piece construction synoptic diagram;
Fig. 2 is the control device circuit theory diagrams;
Fig. 3 is a control device S1 terminal connection diagram;
Fig. 4 is a heating operation valve wiring diagram;
Fig. 5 is domestic hot-water's operation valve wiring diagram;
Fig. 6 is the control instrument wiring diagram;
Fig. 7 is a DTU communication wiring diagram.
Embodiment
Below in conjunction with accompanying drawing concrete structure of the present utility model is elaborated, Fig. 1 is a thermal control device for prepaying with noncontact-type smart IC card one-piece construction synoptic diagram.As shown in the figure, this control device mainly partly is made up of public communication network modules such as the ups power of housing and enclosure interior, touch operation control, non-contact intelligent IC-card card reader, CDMA/GPRS/ADSL, RS485 MOD-BUS communication module, M-BUS heat meter communication module, multiple-limb motorized valve control module, multiple-limb motorized valve state detection module, visual alarm, ups power etc.
Uninterrupted ups power is for the The whole control device provides a power supply environment safely, uninterruptedly, guarantees that external power source breaks down or because artificial origin when causing power failure, in time valve-off and to upper system alarm.
Touch operation control comprises that public communication network interfaces such as embedded type CPU central control unit, FLASH data-carrier store, touch display screen, IC-card card reader interface, M-BUS heat meter communication interface, CDMA/GPRS/ADSL, multiple-limb motorized valve control module, multiple-limb motorized valve state detection module etc. partly form.Wherein the embedded type CPU central control unit is finished the executive routine function of flow processs such as all calculating, logical process, demonstration, storage, the FLASH data-carrier store is used for procedure stores, unloading recording storage, with functions such as hot recording storage, touch display screen is used for data presentation, the transaction interface of man-machine interaction is provided, with hot record queries, essential information inquiry, artificial maintenance or the like function; The IC-card card reader interface adopts the RS232 interface to be connected with card reader, realizes the trading function of IC-card data; The heat meter communication interface adopts the M-BUS communication protocol, can read polylith heat meter data simultaneously, comprise heating and domestic hot-water's heat meter, data comprise supply water temperature, return water temperature, instantaneous delivery, instantaneous heat, integrated flow, heat accumulative (wherein thermal data is directly calculated by heat meter), transfer to central control unit by the M-BUS communication protocol, public communication networks such as CDMA/GPRS/ADSL.Communication interface adopts public communication network modules such as RS232 interface and CDMA/GPRS/ADSL to be connected, with the heat meter data, transaction data, alert data, contents such as maintenance situation are sent to the host computer management system, the MOD-BUS communication interface, adopt the MOD-BUS communications protocol, for local other smart machines provide the RS485 interface of a standard to be used for exchanges data, multiple-limb motorized valve control module can be controlled the ON/OFF control of multichannel heat supply branch motorized valve simultaneously, multiple-limb motorized valve state detection module can detect the virtual condition of multichannel heat supply branch motorized valve simultaneously; Visual alarm is used to take place heat expense, and Sorry, your ticket has not enough value, when power cut-off, instrument fault, communicating interrupt, failsafe valve, logic fault, Card Reader fault, flicker is reported to the police, and reminds the prompting operator on duty to note.
The auxiliary heat measuring apparatus comprises: flowmeter, thermal resistance, integraph etc.; Sub controlling unit comprises motorized valve etc.
Describe circuit theory of the present invention and interface circuit in detail below in conjunction with accompanying drawing.Wherein, Fig. 2 is the control device circuit theory diagrams; As shown in the figure, on feed pipe of thermal substation and primary water pipe, a temperature transmitter is housed respectively, once supplies water and the temperature of primary water in order to detect; Generally on the primary water pipe, ultrasonic flow meter is housed, can detects instantaneous delivery.The signal that temperature transmitter and flowmeter produce after the integraph reception, calculates corresponding instantaneous heat and heat accumulative.M-Bus is a kind of communication standards that design for the consumption measuring instrument specially, adopt two line buses, is mainly used in the heat metering field at present.Only send by M-BUS alignment heat meter under the situation of inquiry instruction, just can carry out exchanges data between controller and the heat meter at central control unit.Fig. 3 is a control device terminal S1 wiring diagram, in this wiring diagram, controller sends the meter reading instruction by COM2, by WIN855 M-BUS module, 232 electric signal of COM2 are converted into the M-BUS electric signal, through the terminal 5 of M-BUS module and 6 command signal is delivered to the DX3-5 and the DX3-6 wire casing of instrument wiring diagram, deliver to heat meter by the M-BUS cable again.Heat meter is built-in with corresponding M-BUS module, in case recognize the meter reading instruction that the M-BUS electric signal carries, can feed back the real-time recorded data (supply water temperature, return water temperature, instantaneous delivery, instantaneous heat, integrated flow, heat accumulative) of heat meter automatically, the M-BUS signal of data feeds back to the COM2 mouth of central control unit after the M-BUS module transforms back 232 electric signal.
Fig. 4 is a heating operation valve wiring diagram, and Fig. 5 is domestic hot-water's operation valve wiring diagram.Heating and domestic hot-water's difference is that the former will pay the heating base price, and branch's pipe network of heating and domestic hot-water separates in thermal substation.In our bulk sale system, the corresponding heating of difference and two kinds of rechargeable cards of domestic hot-water, pass through the COM3 mouth and the card reader interaction data of central control unit during Card Reader, program is the Card Type of identification user card punching automatically, after the amount of money in the card read, be saved in respectively in two variablees, and be stored in two files of Flash storer of central control unit with the binary file form respectively, and, the amount of money is reduced in real time and preserved according to the heat that is consumed.In the S1 terminal connection diagram, the port on the DZ1 is the switching value output port, and the two states of its output level (opening or closing) is by programmed control.Wherein, R0-and R1-port are controlled the Kai Heguan of heating valve respectively, R1-and R2 port-control the respectively Kai Heguan of domestic hot-water's valve.
Realize message exchange and share by M-BUS RS485 communication bus and local other smart machines with heat control device.In control device S1 terminal connection diagram, the electric signal when the M-BUS module is responsible for controller and heat meter and is carried out interactive communicate transforms, and preamble is stated.The RS485 module is responsible for but 232 electrical signal conversion are 485 farther electric signal of transmission range.In the S1 terminal connection diagram, COM1 is as PORT COM, needs are sent to upper data message, through the RS485 module 232 electric signal are converted into 485 electric signal, deliver to DX3-1 and DX3-2 wire casing in the DTU communication wiring diagram shown in Figure 7, be resent to wireless communication module, wireless communication module is built-in with the dial-up of 232/485 model selection, can artificial selection adopt 485 pattern work.DTU is powered through DX3-3 and DX3-4 by the 24V power supply of P2.The user's heat data are sent to upper system in regularly will stand by public communication networks such as CDMA/GPRS/ADSL with heat control device, the while upper system can each station of real time monitoring communication state; In DTU communication wiring diagram, different has different station numberings with heat controller (thermal substation terminal), is sent to by CDMA/GPRS/ADSL in the upper data message through COM port or COM device or COM1 in the control device program, all includes the distinctive station of each controller numbering.Upper server is entered into data in the corresponding station name by database by parsing the station numbering in the data, can realize the real-time monitoring to each station.
Realize the hot warnings such as Sorry, your ticket has not enough value, power cut-off, instrument fault, communicating interrupt, failsafe valve, logic fault, Card Reader fault that take with heat control device by telecommunication and local audible-visual annunciator dual mode; Telecommunication is reported to the police and is upper warning.Warning message is sent to upper server by following level controller by the DTU wireless module, is published on the webpage through the web server, and the user capture webpage can be seen the alarm content of corresponding thermal substation.
In local (the next),, can realize the light warning by the LED alarm lamp that controller connects.In the S1 terminal connection diagram, the two ends of alarm lamp BJD connect R4-terminal and 24V direct supply respectively.Judge alarm failure during program run earlier, by the level (0V or 24V) of programmed control R4-port, can realize the flicker of alarm lamp then.When the inner damage of card reader, the built-in hummer of card reader has continuous buzzing sound during normal power supply, produces acoustic alarm.
Uninterrupted ups power is for the The whole control device provides a power supply environment safely, uninterruptedly, guarantees that external power source breaks down or because artificial origin when causing power failure, in time valve-off and to upper system alarm; In control device circuit theory diagrams shown in Figure 2, during external power source (civil power) fault (power failure), DL1-2 and DL1-N on the J5 do not have line voltage, cause the hard contact in the relay J 5 to disconnect, also be to form between 5 and 9 ports of J5 to open circuit, 24V electricity on DZ2-6 and the DX1-6 disconnects, make the level of digital quantity input port DZ2-6 of S1 terminal connection diagram middle controller maintain low level (0V), judge the level state of this port when program after, can realize the Realtime Alerts of municipal power failure.
Multiple-limb motorized valve control module is controlled the ON/OFF control of multichannel heat supply branch motorized valve, the virtual condition that multiple-limb motorized valve state detection module detects multichannel heat supply branch motorized valve simultaneously simultaneously; Fig. 6 is the control instrument wiring diagram; As shown in the figure, the ground connection of control module is provided by DX2-3, and DX2-1 or DX2-2 (through relay J 1 or J2) provide switch valve required 220V power supply.The 24V power supply of state detection module is provided by DX1-3, when valve reach the position or close put in place after, feed back to the level signal of 24V (or 0V), feed back to the DZ2-2 and DZ2-3 digital signal input end of controller through DX1-1 and DX1-2, whether program can be judged valve and open or close and put in place.
The IC-card card reader interface adopts the RS232 interface to be connected with card reader, realizes the trading function of IC-card data; Built-in chip in the card reader, the card reader handling function that utilization provides, COM3 by controller sends instruction, trigger the built-in RF radio frequency chip of card reader and send radiofrequency signal (Card Reader instruction), cmos circuit in the rechargeable card produces response to instruction, data readback card device in the feedback card returns COM3 through the RS232 interface.The radio-frequency (RF) base station controller is differentiated heating card and domestic hot-water's card, sensitive information (user profile, amount information etc.) is stored, and be responsible for to use that key carries out variously adding, decrypt operation, how controller carries out the smart card of resolution system approval, provide corresponding prompt, be convenient to upper system and carry out fault processing and user's caution.
Different card type classes after receiving the Card Reader instruction, behind empirical tests and the encryption scheduling algorithm, is returned different data bytes.Program can be according to different return results, thoroughly do away with the explanation document of establishment, make such as subscriber card invalid or in the rechargeable card amount of money be zero judgement, and the prompting of ejecting dialog box at the controller visual interface.
The IC-card card reader adopts the radio-frequency (RF) base station controller, and this radio-frequency (RF) base station controller adopts the ESAM safety chip to come sensitive information (user profile, amount information etc.) is stored, and is responsible for using that key carries out variously adding, decrypt operation.In the process that the user uses, ESAM has stored this user's two sheet smart card information, i.e. heating card and domestic hot-water card.Whether in case when the user swiped the card, controller can be differentiated, differentiating is the smart card of system's approval.What use if swipe the card is the card reported the loss or other users' card, and controller can provide corresponding prompt, is convenient to upper system and carries out fault processing and warn with the user.The key technical indexes of this controller:
Radio frequency interface: carrier frequency 13.56MHz;
Operative norm: ISO14443 Type A/B;
Radio-frequency communication speed: 106k--848kbps;
Communication interface: RS-232 serial communication interface;
The serial ports transfer rate: the highest by 115,200bps;
Working temperature :-10 ℃～75 ℃;
Working relative humidity: 5～95%;
Power supply mode: 5 ± 0.5V (by mainboard voltage stabilizing power supply);
The SIM card interface: meet ISO7816, communication speed is the highest by 115,200bps;
Power consumption: 5V:250mA (opening radio frequency); 5V:75mA (pass radio frequency).
According to top description thermal control device for prepaying with noncontact-type smart IC card, its principle of work and control corresponding scheme are as follows:
(1) control device has a plurality of interfaces simultaneously, is connected with radio-frequency card card reader, heat meter, CDMA communication DTU, liquid crystal display touch-screen, other intelligent interface devices etc.
(2) hold the radio-frequency card of having supplemented with money when control device is concluded the business as the user, device shows the complete Back ground Information of thermal substation clearly (area of heat-supply service, basal heat takes, current heat meter heat accumulative, unit heat is taken etc.) and operation information (surplus heat, supply and return water temperature, instantaneous delivery, instantaneous heat etc.), remind the user to conclude the business, after the user confirms transaction, control device is checked the expense of the basal heat in the subscriber card with the actual amount of money that should pay of our station, after the confirmation, the actual heat expense of being bought in the subscriber card is transferred in the control device, the amount of money in the subscriber card is emptied, open all branch's pipe valves.
(3) whole process of exchange, if communication is all right, control device is sent to data center in real time with Transaction Information.If communication is in bad order, control device can take off-line mode regularly to transmit Transaction Information.
(4) in service in system, control device shows operation information (surplus heat, supply and return water temperature, instantaneous delivery, instantaneous heat etc.) in real time, the user can inquire about at any time its with enthusiasm condition, historical trading situation, every day with information such as heats.
(5) when user's surplus heat is less than 15 days, control device will remind the user to continue to pay dues with the type of alarm of different stage when using heat in 7 days, 1 day.
When (6) heat exhaustion that the user purchases was intact, local control device sent and stops heat and asks for instructions, and data center can transmitting control commands, stop heat supply, or local control device directly stops heat supply.
(7) in the time of need overhauling as this thermal substation, hold the maintenance card and can close or open each branch's penstock.
Claims (6)
1. a thermal control device for prepaying with noncontact-type smart IC card is characterized in that,
This control device comprises operation control, non-contact intelligent IC-card card reader, CDMA/GPRS/ADSL public communication network module, RS485MOD-BUS communication module, M-BUS heat meter communication module, visual alarm and ups power, wherein,
Described operation control is touch operation control, it comprises embedded type CPU central control unit, FLASH data-carrier store, touch display screen, IC-card card reader interface, heat meter communication interface, CDMA/GPRS/ADSL public communication network interface, multiple-limb motorized valve control module, multiple-limb motorized valve state detection module, wherein
The embedded type CPU central control unit is finished the executive routine function of calculating, logical process, demonstration, Stored Procedure;
The FLASH data-carrier store is used for procedure stores, unloading recording storage, with hot recording storage function,
Touch display screen is used for data presentation, the transaction interface of man-machine interaction is provided, inquires about, manually overhauls function with hot record queries, essential information;
The IC-card card reader interface adopts the RS232 interface to be connected with described card reader, realizes the trading function of IC-card data;
Described heat meter communication interface adopts the M-BUS communication protocol, read simultaneously and comprise heating and domestic hot-water's polylith heat meter data, these data comprise supply water temperature, return water temperature, instantaneous delivery, instantaneous heat, integrated flow, heat accumulative, wherein thermal data is directly calculated by heat meter, transfers to described embedded type CPU central control unit, CDMA/GPRS/ADSL public communication network by the M-BUS communication protocol;
Described public communication network interface adopts the RS232 interface to be connected with CDMA/GPRS/ADSL public communication network module, and heat meter data, transaction data, alert data, maintenance situation are sent to the host computer management system.
2. thermal control device for prepaying with noncontact-type smart IC card according to claim 1, it is characterized in that, described uninterrupted ups power is included as the The whole control device power supply environment safely, uninterruptedly is provided, guarantee that external power source breaks down or because artificial origin when causing power failure, in time valve-off and to the circuit part of upper system alarm.
3. thermal control device for prepaying with noncontact-type smart IC card according to claim 1 is characterized in that, described multiple-limb motorized valve control module comprises the circuit arrangement of the ON/OFF control of controlling multichannel heat supply branch motorized valve simultaneously; Multiple-limb motorized valve state detection module has the circuit arrangement of the virtual condition that detects multichannel heat supply branch motorized valve simultaneously.
4. thermal control device for prepaying with noncontact-type smart IC card according to claim 1, it is characterized in that, described visual alarm comprises and is used for heat expense Sorry, your ticket has not enough value, the circuit module that the prompting operator on duty notes is reported to the police in the flicker of power cut-off, instrument fault, communicating interrupt, failsafe valve, logic fault, Card Reader fault.
5. thermal control device for prepaying with noncontact-type smart IC card according to claim 1 is characterized in that, described heat metering device comprises: flowmeter, thermal resistance, integraph; Described control device comprises motorized valve.
6. thermal control device for prepaying with noncontact-type smart IC card according to claim 1 is characterized in that, described IC-card card reader interface adopts the RS232 interface to be connected with card reader, realizes the trading function of IC-card data; The IC-card card reader adopts the radio-frequency (RF) base station controller, and this radio-frequency (RF) base station controller adopts the ESAM safety chip to come sensitive information is stored, and is responsible for using that key carries out variously adding, decrypt operation.
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