CN101727732A - High-voltage electrified body temperature monitoring system based on wireless transmission mode - Google Patents
High-voltage electrified body temperature monitoring system based on wireless transmission mode Download PDFInfo
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Abstract
The invention discloses a high-voltage electrified body temperature monitoring system based on a wireless transmission mode, belonging to the field of remote monitoring system. The high-voltage electrified body temperature monitoring system comprises a monitoring center, a transport network and a site plant; a monitoring device is directly installed on the monitoring point of detected high-voltage equipment and is equipotential to the detected equipment; the monitoring device and a data concentrator are communicated in the wireless mode, and the data concentrator is connected with the monitoring center via a wired transport network/ GPRS; the monitoring device adopts the design of lower energy consumption, and standby current is smaller than 2 mu A; batteries are adopted to supply power to the monitoring device; and the monitoring device adopts a wireless mode to send data, thus thoroughly solving the problem of high-voltage insulation, and realizing on-line monitoring of the high voltage equipment. The high-voltage electrified body temperature monitoring system gives an alarm in various modes, can find temperature rise of the high voltage equipment in time so as to take measures immediately, thus avoiding accidents and greatly improving the safety of power grid operation.
Description
Technical field
Based on the high-voltage electrified body temperature monitoring system of wireless transmission method, belong to the remote supervision system field.
Background technology
Electric system is just towards the direction fast development of big electrical network high reliability, high automation level.Operation of power networks robotization, intelligent monitoring level have been become the key issue of domestic and international great attention.Along with the increase day by day of power consumption, carrying big electric weight and carrying the electrical load of the high voltage electric equipment of task such as transformer, high-tension switch cabinet, disconnecting link etc. also increasing sharply.Tie point in the electrical network between numerous high voltage electric equipments itself and the equipment is that electric power is carried weakest link, and the substantive issue of this weak link is exactly the interface heating.Along with the increase of load, cause the tie point heating and form vicious cycle: temperature rise, expansion, contraction, oxidation, resistance increases, heats up until leading to a disaster once again.Therefore, manpower, financial resources are not stinted in electric system, take the temperature rise of multiple measure monitoring high pressure tie point.
The over-heat inside phenomenon of switch cubicle has become the FAQs of switch cubicle in using, because the leakproofness of switch cabinet, in the heavier area of some loads, has the temperature rise of the switch cubicle problem that exceeds standard.The temperature rise of switch cubicle exceeds standard, and directly influences the safe and stable operation of equipment, and problems of excessive heat is a constantly process of development, if do not controlled, degree of superheat is aggravation constantly, and to the performance of insulating part and produce very big influence equipment life.
The present domestic method that the temperature measurement of electrical equipment high pressure tie point is generally used is as the temperature indicating wax disk(-sc) or regularly use infrared thermometer pointwise thermometric.The temperature indicating wax disk(-sc) obviously falls behind, and bigger with the method measuring error of infrared thermometer pointwise thermometric, and needs a large amount of manpower and materials.And this method also can only regularly be patrolled survey, and the cycle is longer, and the probability that breaks down because of omission is very big, still has many blind spots, brings hidden danger to operation of power networks.The position of the equipment such as isolating switch, disconnecting link and dynamic/static contact of the wheelbarrow switch cabinet inside after updating at present is hidden, the infrared thermometer thermometric of can't manually having patrolled.Develop a kind of round-the-clock on-line monitoring power grid temperature, pinpoint the problems, report immediately, the system that accident is eliminated in rudiment is very necessary.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the problem that prior art exists, designing a kind of temperature of high-tension apparatus of can in time finding raises, take immediate steps, avoid the generation of accident, greatly improve the high-voltage electrified body temperature monitoring system based on wireless transmission method of the security of operation of power networks.
The technical solution adopted for the present invention to solve the technical problems is: should be based on the high-voltage electrified body temperature monitoring system of wireless transmission method, it is characterized in that: comprise Surveillance center, transmission network and field apparatus, monitoring device is directly installed on the monitoring point of tested high-tension apparatus, be in equipotential with equipment under test, monitoring device is communicated by letter by wireless mode with data concentrator, and data concentrator links to each other with Surveillance center by wire transmission network/GPRS.
Data concentrator comprises a CPU and peripheral expansion circuit, RAM, first clock circuit, power supply, network communication module and first wireless communication module, the one CPU and peripheral expansion circuit link to each other with RAM, first clock circuit, network communication module and first wireless communication module respectively, and power supply provides 12V, 5V direct current for each module of data concentrator.
Monitoring device comprises the 2nd CPU and peripheral expansion circuit, signal conditioning circuit, second clock circuit and second wireless communication module, and the 2nd CPU and peripheral expansion circuit link to each other with signal conditioning circuit, second clock circuit and second wireless communication module respectively.
The network and short message server links to each other with database server by LAN (Local Area Network).
Monitoring device adopts metal shell as shield, built-in temperature sensor.
Monitoring device adopts powered battery.
System design comprises three parts, the one, Surveillance center, the 2nd, transmission network, the 3rd, field apparatus.Surveillance center is provided with data server, preposition workstation, browsing terminal, operating terminal, network and short message server, the main data of being responsible for receiving each control point, and realize the functions such as storage, analysis, judgement, alarm of data, remind the working condition at related work personnel scene in a different manner.Transmission network adopts LAN (Local Area Network) in the system, or under the situation that condition does not possess, adopts the GPRS communication network, mainly finishes the transfer function of data.Field apparatus comprises data concentrator and monitoring device.Monitoring device is installed on the high-tension apparatus, in order to the temperature of monitoring equipment; Data concentrator is installed in the transformer station, is responsible for receiving the Monitoring Data of monitoring device, and communicates by letter with Surveillance center, and Monitoring Data is sent to Surveillance center.
Principle of work
Monitoring device adopts the little design of low-power consumption, and the high-energy battery power supply adopts metal shell as shield, and built-in temperature sensor is directly installed on the monitoring point of tested high-tension apparatus, is in equipotential with equipment under test, transmits the temperature of equipment by metal shell.Include a slice CPU in the monitoring device temperature measurement circuit, it regularly starts A/D converter work.A/D converter is transformed into digital quantity with the detected temperature signal of temperature-sensing probe, CPU is through digital filtering, after scale transformations etc. are calculated, measurement data is delivered to radio receiving transmitting module in the temperature measurement circuit, radio receiving transmitting module converts the electrical signal to wireless signal transmission and goes out.In centralized data processing device side, other has a radio receiving transmitting module to receive the radio signal that whole temperature measurement circuits are sent, and converts radio signal to digital signal.CPU in the centralized data processing device reads this signal, just can know the detected temperature of this temperature-sensing probe.When temperature is higher than a certain threshold values (for example 70 ℃), system can report to the police automatically.The big I setting of alarming value, and be stored in the centralized data processing device.Even after the power down, these data still are retained in the centralized data processing device.The centralized data processing device is furnished with LCD, and measurement data can directly show by them.In case judge alert to occur, immediately this information is sent to Surveillance center, Surveillance center notifies the related personnel by modes such as note or screen prompts, carries out fault handling immediately, thereby has guaranteed the security of operation of electrical network.
Compared with prior art, the beneficial effect that high-voltage electrified body temperature monitoring system had that the present invention is based on wireless transmission method is:
Temperature measuring unit adopts up-to-date microelectric technique, utilizes microcontroller to carry out the measurement of temperature, and construction is simple, and is reliable.
Temperature measuring unit adopts low power dissipation design, and standby current is less than 2uA.Temperature measuring unit adopts powered battery.
Temperature measuring unit adopts wireless mode to send data, has thoroughly solved the High-Voltage Insulation problem, has realized the high-tension apparatus on-line monitoring.Though sensor is directly installed on charged place, volume is little, is in equipotential and installs, isolates thorough, simple in structure, antijamming capability by force, reliable operation.
In the measurement of carrying out with wireless transmission, temperature-sensing probe and collecting unit all are in noble potential, and the fault alarm unit is in electronegative potential; Device adopts the radio coding calibration technology, has solved under the different potentials and the accurate transmission of information under the serious electromagnetic interference environment.Each module has unique address, after the centralized data processing device receives information, confirms that through separating code check data transmission is correct.
High-tension apparatus operates in the state of high voltage, big electric current, and strong electromagnetic transient also appears in systematic failures moment, and these all produce strong electromagnetic, and it is very unfavorable that this handles for microelectronics system and feeble signal.For eliminating these interference, device adopts soft, hardware anti-interference measure simultaneously, and Applied Digital coding, decoding technique are rejected undesired signal, and used the software filtering technology on software design; On hardware, adopt metallic shield, strengthen filtering at different levels and eliminate high frequency interference.Detecting device and point for measuring temperature are in same current potential, reduce electric field effects.By above aggregate measures, guarantee that measurement data is reliable and stable.
Data transmission channel adopts ripe GPRS network, as long as the place of GSM signal is arranged, just can realize reliable communication.Method is relatively adopted in temperature off-limit alarm, has solved the difference of the temperature warning limit value that is caused because of the difference of loading, difference in season (winter, summer), and is greatly convenient for users to use.
Multiple mode is alarmed: after system detects warning information, start the alarm program immediately, comprise local audible and visual alarm, networking client warning, SMS alarm etc.No matter where you are in, all can receive warning information with the fastest speed.
System adopts current popular B/S structure, and expansion is convenient, and is open high, is fit to the fusion of different system.
Description of drawings
Fig. 1 the present invention is based on the structural drawing of the high-voltage electrified body temperature monitoring system of wireless transmission method;
Fig. 2 data concentrator theory diagram;
Fig. 3 monitoring device theory diagram;
Fig. 4 data concentrator the one CPU and peripheral expansion circuit theory diagrams;
Fig. 5 data concentrator network communication module schematic diagram;
Fig. 6 data concentrator power principle figure;
Fig. 7 monitoring device the 2nd CPU and peripheral expansion circuit theory diagrams;
Fig. 8 monitoring device signal conditioning circuit schematic diagram.
Fig. 1-1 is the most preferred embodiment that the present invention is based on the high-voltage electrified body temperature monitoring system of wireless transmission method.Among Fig. 4-8: U1 the one CPU U2 first real-time clock U3 latch U4RAM U5 code translator U6 bus driver U7EEPROM U8RS232 level transferring chip U9, U10 is the optocoupler U11 first wireless communication module U12 power conversion chip XT1-XT4 crystal oscillator C1-C17 electric capacity R1-R27 resistance H1-H4 pilot lamp SW1 toggle switch RP1-RP2 resistor chain M1 network communication module M2, M3 power module F1 insurance L1 choking coil L2 coil U13 the 2nd CPU U14 second real-time clock U15 second wireless communication module U16 is operational amplifier Q1, Q2MOS triode J1, the sub-XS1DB9 socket of J2 jumper terminal S1 power switch X1 power input terminal V1-V4 diode X2 temperature sensor inputs XS2RJ45 socket
Embodiment
With reference to Fig. 1
System design comprises three parts, the one, Surveillance center, the 2nd, transmission network, the 3rd, field apparatus.Surveillance center is provided with data server, preposition workstation, browsing terminal, operating terminal, network and short message server, the main data of being responsible for receiving each control point, and realize the functions such as storage, analysis, judgement, alarm of data, remind the working condition at related work personnel scene in a different manner.Transmission network adopts LAN (Local Area Network) in the system, or under the situation that condition does not possess, adopts the GPRS communication network, mainly finishes the transfer function of data.Field apparatus comprises data concentrator and monitoring device.Monitoring device is installed on the high-tension apparatus, in order to the temperature of monitoring equipment; Data concentrator is installed in the transformer station, is responsible for receiving the Monitoring Data of monitoring device, and communicates by letter with Surveillance center, and Monitoring Data is sent to Surveillance center.The network and short message server links to each other with server by LAN (Local Area Network).
With reference to Fig. 2
Data concentrator comprises a CPU and peripheral expansion circuit, RAM, first clock circuit, power supply, network communication module and first wireless communication module, the one CPU and peripheral expansion circuit link to each other with RAM, first clock circuit, network communication module and first wireless communication module respectively, and power supply provides 12V, 5V direct current for each module of data concentrator.
With reference to Fig. 3
Monitoring device comprises the 2nd CPU and peripheral expansion circuit, signal conditioning circuit, second clock circuit and second wireless communication module, and the 2nd CPU and peripheral expansion circuit link to each other with signal conditioning circuit, second clock circuit and second wireless communication module respectively.
Monitoring device adopts metal shell as shield, built-in temperature sensor.Monitoring device adopts powered battery.
With reference to Fig. 4
The one CPU and peripheral expansion circuit are made up of CPU U1, crystal oscillator XT1, latch U3, code translator U5, bus driver U6, toggle switch SW1, eeprom memory U7, resistor chain RP1, RP2, and the data line AD0-AD7 of CPU U1 links to each other with B0-B7, the resistor chain RP1 of the D0-D7 of latch U3, bus driver U6; The A of code translator U5, B, C, E3 link to each other with A8, A9, A10, the A15 of CPU U1 respectively; The E1 of code translator U5, E2 ground connection, the A0-A7 of bus driver U6 links to each other with toggle switch SW1, resistor chain RP2, the other end ground connection of toggle switch SW1, crystal oscillator XT1 links to each other with 20,21 pin of CPUU1, the 1-4 pin ground connection of eeprom memory U7,6,5 pin of eeprom memory U7 connect 16,17 pin of CPUU1.
First clock circuit comprises real-time clock U2, crystal oscillator XT2, diode V1, V2, battery BAT1, resistance R 1-R3.1,2 pin of real-time clock U2 are connected to the two ends of crystal oscillator XT2, and 3,6,5 pin respectively are connected respectively to 14,17,23 pin of CPU U1 by pull-up resistor R1, R2, a R3.
RAM comprises RAM U4.Data line AD0～AD7 of CPU U1 links to each other with data line D0～D7 of RAM U4; Address bus A8～A15 of CPUU1 and A8～A14 of RAM U4 ,/CE links to each other; Q0～Q7 of latch U3 links to each other with A0～A7 of RAMU4; CPU U1 /RD ,/WR respectively with RAM U4 /OE ,/WE links to each other.
With reference to Fig. 5
Network communication module is made up of RS232 level translator U8, photoelectrical coupler U9, U10, a DB9 XS1, capacitor C 3-C6, network communication module M1, a RJ45 XS2, jumper terminal J1, J2, resistance R 5-R13, capacitor C 3-C8, light emitting diode H2-H4,11,13 pin of CPU U1 link to each other with 2 pin of jumper terminal J2, J1 respectively, 1,3 pin of jumper terminal J1 link to each other with 3 pin of photoelectrical coupler U10,7 pin of network communication module M1 respectively, and 1,3 pin of jumper terminal J2 link to each other with 6 pin of photoelectrical coupler U9,6 pin of network communication module M1 respectively; 12,11 pin of RS232 level translator U8 link to each other with 3 pin of photoelectrical coupler U9,6 pin of photoelectrical coupler U10 respectively; Connect between 1,3 pin of RS232 level translator U8 to connect between capacitor C 3,4,5 pin to connect between capacitor C 4,2,16 pin and connect a capacitor C 6 between capacitor C 5,6,15 pin; 14,13 pin of RS232 level translator U8 are connected respectively to 3,2 pin of DB9 XS1, the 5 pin ground connection of DB9 XS1; 10 pin of network communication module M1 link to each other with 4 pin of CPU U1, and the 1-4 pin of network communication module M1 links to each other with 1,2,3,6 pin of RJ45 XS2 respectively, and 13,14 pin of network communication module M1 connect power supply, are connected to 12 pin by capacitor C 7, C8; Behind 4,5 and 7, the 8 pin difference short circuit of RJ45 XS2, be connected to 11 pin of network communication module M1 more respectively by resistance R 12, R13;
First wireless communication module is made up of wireless communication module U11, and 5,6,7,9,10 pin of wireless communication module U11 are received 6,8,7,23,9 pin of CPU U1 respectively, and 1,2 pin of wireless communication module connect power supply, 3,4,11,12 pin ground connection;
With reference to Fig. 6
Power supply comprises that connection terminal X1, double-pole single throw S1, insurance F1, choking coil L1, DC/DC power module M2, insulating power supply module M3, power conversion chip U12 form.The end bipod of double-pole single throw S1 links to each other with the bipod of connection terminal X1, the bipod of the other end of double-pole single throw S1 links to each other with the end of choking coil L1,1 of the other end of choking coil L1 and DC/DC power module M2,2 pin link to each other, capacitor C 11, be connected on 1 of DC/DC power module M2 after the C12 series connection, between 2 pin, capacitor C 11, mid point after the C12 series connection links to each other with 3 pin of DC/DC power module M2, the 5 pin ground connection of DC/DC power module M2,1 pin of insulating power supply module M3 connects 4 pin of DC/DC power module M2,2 pin ground connection, 1, series capacitance C13 between 2 pin, 4 pin are insulating power supply, and 3 pin are for isolator; 1,7, the 8 pin short circuits of power conversion chip U12 are connected to 6 pin by resistance R 14, receive 4 pin of DC/DC power module M2 again, 5 pin of power conversion chip U12 are by resistance R 15 ground connection, and be connected to an end of inductance L 2 by resistance R 16, this end is by capacitor C 15 ground connection, the other end of inductance L 2 links to each other with 2 pin of power conversion chip U12, and by stabilivolt V3 ground connection.3 pin of power conversion chip U12 link to each other with 4 pin and ground connection by capacitor C 14.
With reference to Fig. 7
The 2nd CPU of monitoring device and peripheral expansion circuit are made up of CPU U13, crystal oscillator XT3, metal-oxide-semiconductor Q1, Q2, resistance R 20-R23, capacitor C 16, C17, after 6,7 pin of CPU U13 are connected to crystal oscillator XT3 two ends, by capacitor C 16, C17 ground connection, the grid of metal-oxide-semiconductor Q1, Q2 is connected to 15,16 pin of CPU U13 respectively by resistance R 20, R22 respectively; Between the grid of metal-oxide-semiconductor Q1, Q2 and the source electrode respectively and connecting resistance R21, R23; 8 pin of operational amplifier U16 and 1,2 pin of wireless communication module U15 are received in the drain electrode of metal-oxide-semiconductor Q1, Q2 respectively.
The second clock circuit comprises real-time clock U14, crystal oscillator XT4, resistance R 17-R19.1,2 pin of real-time clock U14 are connected to the two ends of crystal oscillator XT4, and 3,6,5 pin respectively are connected respectively to 8,12,13 pin of CPU U1 by pull-up resistor R17, R18, a R19.
Second wireless communication module is made up of wireless communication module U15, and 5,6,7,9,10 pin of wireless communication module U15 are received 23,25,24,9,22 pin of CPU U13 respectively, and 1,2 pin of wireless communication module connect power supply, 3,4,11,12 pin ground connection.
With reference to Fig. 8
The signal conditioning circuit of monitoring device comprises operational amplifier U16, connection terminal X2, resistance R 24-R27, diode V4,3 pin of operational amplifier U16 connect 1 pin of connection terminal X2, and by resistance R 24 ground connection, after linking to each other with 1 pin, 2 pin connect the drain electrode of metal-oxide-semiconductor Q1 by resistance R 26, and receive 18 pin of CPU U13,5 pin of operational amplifier U16 connect 2 pin of connection terminal X2 by diode V4, and by resistance R 25 ground connection, after linking to each other with 7 pin, 6 pin connect the drain electrode of metal-oxide-semiconductor Q1 by resistance R 27, and receive 19 pin of CPU U13,8 pin of operational amplifier U16 link to each other with 2 pin of connection terminal X2, receive the drain electrode of metal-oxide-semiconductor Q1 again.
The integrated chip model that circuit adopts: a CPU U1 STC89C54RD+, the first clock U2 PCF8563T, latch U3 74HCT573, RAM U4 HM62256BLFP, code translator U5 74HCT138, bus driver U6 74HCT245, EEPROM U7 24C64, the first wireless communication module U11 RFC1100C4 U9, U10 is optocoupler 6N136, U8 RS232 level transferring chip MAX232, M1 is a network communication module, M2 is DC/DC power module the 2nd CPU U13STC12LE5410AD second clock U14 PCF8563T, the second wireless communication module U15 RFC1100C4 Q1, Q2 is that MOS triode U16 is operational amplifier MCP6002
The course of work
The X1 jointing temp probe of monitoring device, temp probe is installed on the monitoring point that needs monitoring.Cause the variation of input signal by variation of temperature, this signal enters the 2nd CPU by modulate circuit, carries out analog to digital conversion by the AD of the 2nd CPU inside, by the program reading of data, draws actual temperature value by conversion.By wireless mode, temperature information is sent to data concentrator then.
After data concentrator receives temperature information by wireless module, judge whether to occur temperature and raise, if alarm sends to Surveillance center by network interface or RS232 interface with warning information immediately.After the preposition workstation program of Surveillance center receives data and decoding, with data storage in database server, the center service program in the database server of being installed in is according to warning content, warning information is sent on related personnel's the mobile phone by the network and short message server respectively, alert appears in prompting, please handles immediately.In addition, the IE browser terminal in the system also can receive warning information, and points out on computer screen.So far, a warning information disposes.
Systemic-function
A. temperature acquisition function
By the probe of continuous coverage temperature is installed on high-tension apparatus, device temperature is monitored in real time, and measurement result uploaded to Surveillance center's database server by communication network, can predict the early stage superheating phenomenon of electrical network in advance by software analysis, realize the early prediction of fault, prevent trouble before it happens, reach the function of early warning.
B. communication function
Each temperature monitoring point configuration monitoring device, monitoring device links to each other with data concentrator by radio frequency, and data concentrator links with Surveillance center by internal lan or GPRS passage, and GPRS is provided by the professional operation merchant, guarantees reliable communications.
C. data processing function
Surveillance center receives the field data of each monitoring point, by analyzing and processing, is saved in the database, is simultaneously displayed on the computer screen, and according to alarm situation prompt alarm, related data is sent on the different workstations.
U. warning function
When the high-tension apparatus temperature raises and surpass the alarm limit of setting, system can send warning in a different manner, comprise network alarming client, note etc., and show position that alarm set point takes place and the time of writing down the generation warning, promptly and accurately instruct maintenance and troubleshooting work.
The networking client alarm module ejects the alarm window immediately on client screen behind the warning information that receives data processing centre's transmission, comprise the various information of alarm, and the prompting user handles warning information immediately.
The short message alarm platform receives the warning information of data processing centre (DPC), and the alarm plan according to the user sets in advance sends alarm message according to different alarm types, alarm equipment to different related personnel.
The e.WEB function of browse
Surveillance center adopts up-to-date B/S structural design, as long as have corresponding authority, and the data in can both accessing database on arbitrary the computing machine on LAN (Local Area Network), the real time temperature and the historical data of checking each monitoring point are conveniently browsed and are managed.
F. subscriber management function
System has subscriber management function, can be increased or deletion managerial personnel list, administration authority are provided with etc. by the system manager, guarantees the safe operation of system.
G. data query function
Alarm parameters, alarm logging, ordering, printing of each control point etc. can be inquired about by system; Inquire about monitoring parameter, historical data, ordering, printing of each control point etc.; By the time inquire about, inquire about on a time period, by the monitoring station inquiry, by alarm inquiry etc., multiple condition query is provided.
H. perfect log recording function
System can recording user operating position, and warning information.Can inquire about all warning information by daily record.
Claims (7)
1. based on the high-voltage electrified body temperature monitoring system of wireless transmission method, it is characterized in that: comprise Surveillance center, transmission network and field apparatus, monitoring device is directly installed on the monitoring point of tested high-tension apparatus, be in equipotential with equipment under test, monitoring device is communicated by letter by wireless mode with data concentrator, and data concentrator links to each other with Surveillance center by wire transmission network/GPRS.
2. the high-voltage electrified body temperature monitoring system based on wireless transmission method according to claim 1, it is characterized in that: data concentrator comprises a CPU and peripheral expansion circuit, RAM, first clock circuit, power supply, network communication module and first wireless communication module, the one CPU and peripheral expansion circuit link to each other with RAM, first clock circuit, network communication module and first wireless communication module respectively, and power supply provides 12V, 5V direct current for each module of data concentrator.
3. the high-voltage electrified body temperature monitoring system based on wireless transmission method according to claim 1, it is characterized in that: monitoring device comprises the 2nd CPU and peripheral expansion circuit, signal conditioning circuit, second clock circuit and second wireless communication module, and the 2nd CPU and peripheral expansion circuit link to each other with signal conditioning circuit, second clock circuit and second wireless communication module respectively.
4. the high-voltage electrified body temperature monitoring system based on wireless transmission method according to claim 1 is characterized in that: the network and short message server links to each other with database server by LAN (Local Area Network).
5. the high-voltage electrified body temperature monitoring system based on wireless transmission method according to claim 1 is characterized in that: monitoring device adopts metal shell as shield, built-in temperature sensor, and monitoring device adopts powered battery.
6. the high-voltage electrified body temperature monitoring system based on wireless transmission method according to claim 2, it is characterized in that: a CPU and peripheral expansion circuit are made up of CPU U1, crystal oscillator XT1, latch U3, code translator U5, bus driver U6, toggle switch SW1, eeprom memory U7, resistor chain RP1, RP2, and the data line AD0-AD7 of CPU U1 links to each other with B0-B7, the resistor chain RP1 of the D0-D7 of latch U3, bus driver U6; The A of code translator U5, B, C, E3 link to each other with A8, A9, A10, the A15 of CPU U1 respectively; The E1 of code translator U5, E2 ground connection, the A0-A7 of bus driver U6 links to each other with toggle switch SW1, resistor chain RP2, the other end ground connection of toggle switch SW1, crystal oscillator XT1 links to each other with 20,21 pin of CPUU1, the 1-4 pin ground connection of eeprom memory U7,6,5 pin of eeprom memory U7 connect 16,17 pin of CPUU1;
Network communication module is made up of RS232 level translator U8, photoelectrical coupler U9, U10, a DB9 XS1, capacitor C 3-C6, network communication module M1, a RJ45 XS2, jumper terminal J1, J2, resistance R 5-R13, capacitor C 3-C8, light emitting diode H2-H4,11,13 pin of CPU U1 link to each other with 2 pin of jumper terminal J2, J1 respectively, 1,3 pin of jumper terminal J1 link to each other with 3 pin of photoelectrical coupler U10,7 pin of network communication module M1 respectively, and 1,3 pin of jumper terminal J2 link to each other with 6 pin of photoelectrical coupler U9,6 pin of network communication module M1 respectively; 12,11 pin of RS232 level translator U8 link to each other with 3 pin of photoelectrical coupler U9,6 pin of photoelectrical coupler U10 respectively; Connect between 1,3 pin of RS232 level translator U8 to connect between capacitor C 3,4,5 pin to connect between capacitor C 4,2,16 pin and connect a capacitor C 6 between capacitor C 5,6,15 pin; 14,13 pin of RS232 level translator U8 are connected respectively to 3,2 pin of DB9 XS1, the 5 pin ground connection of DB9 XS1; 10 pin of network communication module M1 link to each other with 4 pin of CPU U1, and the 1-4 pin of network communication module M1 links to each other with 1,2,3,6 pin of RJ45 XS2 respectively, and 13,14 pin of network communication module M1 connect power supply, are connected to 12 pin by capacitor C 7, C8; Behind 4,5 and 7, the 8 pin difference short circuit of RJ45 XS2, be connected to 11 pin of network communication module M1 more respectively by resistance R 12, R13;
First wireless communication module is made up of wireless communication module U11, and 5,6,7,9,10 pin of wireless communication module U11 are received 6,8,7,23,9 pin of CPU U1 respectively, and 1,2 pin of wireless communication module connect power supply, 3,4,11,12 pin ground connection;
First clock circuit comprises real-time clock U2, crystal oscillator XT2, diode V1, V2, battery BAT1, resistance R 1-R3.1,2 pin of real-time clock U2 are connected to the two ends of crystal oscillator XT2, and 3,6,5 pin respectively are connected respectively to 14,17,23 pin of CPU U1 by pull-up resistor R1, R2, a R3;
RAM comprises RAM U4.Data line AD0～AD7 of CPU U1 links to each other with data line D0～D7 of RAM U4; Address bus A8～A15 of CPUU1 and A8～A14 of RAM U4 ,/CE links to each other; Q0～Q7 of latch U3 links to each other with A0～A7 of RAMU4; CPU U1 /RD ,/WR respectively with RAM U4 /OE ,/WE links to each other;
Power supply comprises that connection terminal X1, double-pole single throw S1, insurance F1, choking coil L1, DC/DC power module M2, insulating power supply module M3, power conversion chip U12 form.The end bipod of double-pole single throw S1 links to each other with the bipod of connection terminal X1, the bipod of the other end of double-pole single throw S1 links to each other with the end of choking coil L1,1 of the other end of choking coil L1 and DC/DC power module M2,2 pin link to each other, capacitor C 11, be connected on 1 of DC/DC power module M2 after the C12 series connection, between 2 pin, capacitor C 11, mid point after the C12 series connection links to each other with 3 pin of DC/DC power module M2, the 5 pin ground connection of DC/DC power module M2,1 pin of insulating power supply module M3 connects 4 pin of DC/DC power module M2,2 pin ground connection, 1, series capacitance C13 between 2 pin, 4 pin are insulating power supply, and 3 pin are for isolator; 1,7, the 8 pin short circuits of power conversion chip U12 are connected to 6 pin by resistance R 14, receive 4 pin of DC/DC power module M2 again, 5 pin of power conversion chip U12 are by resistance R 15 ground connection, and be connected to an end of inductance L 2 by resistance R 16, this end is by capacitor C 15 ground connection, the other end of inductance L 2 links to each other with 2 pin of power conversion chip U12, and by stabilivolt V3 ground connection.3 pin of power conversion chip U12 link to each other with 4 pin and ground connection by capacitor C 14.
7. the high-voltage electrified body temperature monitoring system based on wireless transmission method according to claim 3, it is characterized in that: the 2nd CPU and peripheral expansion circuit are made up of CPU U13, crystal oscillator XT3, metal-oxide-semiconductor Q1, Q2, resistance R 20-R23, capacitor C 16, C17, after 6,7 pin of CPU U13 are connected to crystal oscillator XT3 two ends, by capacitor C 16, C17 ground connection, the grid of metal-oxide-semiconductor Q1, Q2 is connected to 15,16 pin of CPU U13 respectively by resistance R 20, R22 respectively; Between the grid of metal-oxide-semiconductor Q1, Q2 and the source electrode respectively and connecting resistance R21, R23; 8 pin of operational amplifier U16 and 1,2 pin of wireless communication module U15 are received in the drain electrode of metal-oxide-semiconductor Q1, Q2 respectively;
The second clock circuit comprises real-time clock U14, crystal oscillator XT4, resistance R 17-R19.1,2 pin of real-time clock U14 are connected to the two ends of crystal oscillator XT4, and 3,6,5 pin respectively are connected respectively to 8,12,13 pin of CPU U1 by pull-up resistor R17, R18, a R19;
Second wireless communication module is made up of wireless communication module U15, and 5,6,7,9,10 pin of wireless communication module U15 are received 23,25,24,9,22 pin of CPU U13 respectively, and 1,2 pin of wireless communication module connect power supply, 3,4,11,12 pin ground connection;
Signal conditioning circuit comprises operational amplifier U16, connection terminal X2, resistance R 24-R27, diode V4,3 pin of operational amplifier U16 connect 1 pin of connection terminal X2, and by resistance R 24 ground connection, after linking to each other with 1 pin, 2 pin connect the drain electrode of metal-oxide-semiconductor Q1 by resistance R 26, and receive 18 pin of CPU U13,5 pin of operational amplifier U16 connect 2 pin of connection terminal X2 by diode V4, and by resistance R 25 ground connection, after linking to each other with 7 pin, 6 pin connect the drain electrode of metal-oxide-semiconductor Q1 by resistance R 27, and receive 19 pin of CPU U13,8 pin of operational amplifier U16 link to each other with 2 pin of connection terminal X2, receive the drain electrode of metal-oxide-semiconductor Q1 again.
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