CN203704982U - Wireless data acquisition circuit for power transmission line gale disaster on-line early warning apparatus - Google Patents

Wireless data acquisition circuit for power transmission line gale disaster on-line early warning apparatus Download PDF

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CN203704982U
CN203704982U CN201420096797.5U CN201420096797U CN203704982U CN 203704982 U CN203704982 U CN 203704982U CN 201420096797 U CN201420096797 U CN 201420096797U CN 203704982 U CN203704982 U CN 203704982U
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chip
circuit
wireless communication
terminal
conversion
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李伟
范明豪
程登峰
费婷婷
杨可军
周保亮
孙登第
阮瑞
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ANHUI JIYUAN POWER SYSTEM TECHNOLOGY Co Ltd
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd
Anhui University
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ANHUI JIYUAN POWER SYSTEM TECHNOLOGY Co Ltd
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd
Anhui University
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Abstract

本实用新型公开了一种输电线路大风灾害在线预警装置的无线数据采集电路，包括传感器组、太阳能电池板、蓄电池、AD转换电路和无线通信电路；传感器组与AD转换电路相连接，蓄电池与AD转换电路相连接，AD转换电路与无线通信电路相连接；传感器组包括风速传感器、风向传感器等传感器；太阳能电池板与蓄电池相连接；AD转换电路包括AD转换芯片U1、电阻R1～R2、译码器芯片U2、非门U3、锁存器U4、非门U5和与非门U6；无线通信电路包括一个GSM/GPRS无线通信芯片U7、电阻R3～R9、电容C1～C3和SIM卡接口芯片CON1。本实用新型的无线数据采集电路，具有可实时测量输电线路的风速等参数、提高输电线路运行的安全可靠性、电路简单且易于制作等优点。

The utility model discloses a wireless data acquisition circuit of an online warning device for strong wind disasters on transmission lines, which comprises a sensor group, a solar panel, a storage battery, an AD conversion circuit and a wireless communication circuit; the sensor group is connected with the AD conversion circuit, and the storage battery is connected with the AD conversion circuit. The conversion circuit is connected, and the AD conversion circuit is connected with the wireless communication circuit; the sensor group includes sensors such as wind speed sensor and wind direction sensor; the solar panel is connected with the battery; the AD conversion circuit includes AD conversion chip U1, resistors R1~R2, decoding chip U2, NOT gate U3, latch U4, NOT gate U5 and NAND gate U6; the wireless communication circuit includes a GSM/GPRS wireless communication chip U7, resistors R3~R9, capacitors C1~C3 and SIM card interface chip CON1 . The wireless data acquisition circuit of the utility model has the advantages of being able to measure parameters such as the wind speed of the transmission line in real time, improving the safety and reliability of the operation of the transmission line, and having a simple circuit and being easy to manufacture.

Description

The data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster
Technical field
The utility model relates to a kind of data acquisition circuit, especially a kind of data acquisition circuit for the online prior-warning device of transmission line of electricity strong wind disaster.
Background technology
In present life, electric power has become the requisite energy of productive life.But current can only transmit electricity with wire and tower bar, and transmission line of electricity very easily suffers the destruction of weather conditions.Wherein, high wind is particularly evident on the impact of transmission line of electricity, causes that the fault of transmission line of electricity is very frequent because of high wind.High wind can make wire generation windage yaw, wind pendulum, vibrations, and even the distortion of tower bar is collapsed, the safe operation of serious threat electric device.At present, on tower bar, also do not set up corresponding disaster caused by a windstorm data collector, staff cannot obtain the parameter such as wind speed, blast of tower bar annex in real time.Therefore, set up a transmission line of electricity strong wind disaster alarm device and be necessary very much, variation that not only can Real-Time Monitoring disaster caused by a windstorm, and also convenient and swift, the property loss that can make safety failure cause drops to minimum.
Utility model content
The utility model is the weak point existing in above-mentioned prior art for avoiding, provide the data acquisition circuit of the online prior-warning device of a kind of transmission line of electricity strong wind disaster, so that the parameters such as the wind speed and pressure of the tower bar annex of transmission line of electricity are passed to prior-warning device in real time.
The utility model be technical solution problem by the following technical solutions.
The data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster, its design feature is to comprise sensor group, solar panel, accumulator, A/D convertor circuit and radio communication circuit; Described sensor group is connected with described A/D convertor circuit, and described A/D convertor circuit, described sensor group and radio communication circuit are all connected and provide power supply by accumulator with described accumulator, and described A/D convertor circuit is connected with described radio communication circuit;
Described sensor group comprises air velocity transducer, wind transducer, temperature sensor, humidity sensor and atmosphere pressure sensor;
Described solar panel is connected with described accumulator, thereby is charge in batteries for sun power is converted to electric energy when sunny;
Described A/D convertor circuit comprises AD conversion chip U1, resistance R 1～R2, decoder chip U2, not gate U3, latch U4, not gate U5 and Sheffer stroke gate U6; One end of described resistance R 1 is connected with the terminal REF_IN of described AD conversion chip U1, one end of described resistance R 2 is connected with the terminal BPLRof of described AD conversion chip U1, and the other end of described resistance R 1 interconnects afterwards and is connected with the terminal REF_out of described AD conversion chip U1 with the other end of described resistance R 2; Terminals P 00～P07 of described latch U4 is connected with terminal DB4～DB11 of described AD conversion chip U1, the terminal R/C of described latch U4 is connected with the input end of described not gate U5, and the output terminal of described not gate U5 is connected with the terminal A0/SC of described AD conversion chip U1; The output terminal of described Sheffer stroke gate U6 is connected with the terminal CE of described AD conversion chip U1; The terminal CS of described decoder chip U2 is connected with the input end of described not gate U3, and the output terminal of described not gate U3 is connected with described latch U4;
Described radio communication circuit comprises GSM/GPRS wireless communication chips U7, a resistance R 3～R9, capacitor C 1～C3 and SIM card interface chip CON1; Described SIM card interface chip CON1 is connected with described GSM/GPRS wireless communication chips U7; Described resistance R 3 is connected with the terminal RXD of described GSM/GPRS wireless communication chips U7, and described resistance R 4 is connected with the terminal TXD of described GSM/GPRS wireless communication chips U7; One end of described resistance R 7 connects power vd D, and the other end of described resistance R 7 is connected with the terminal RST of described GSM/GPRS wireless communication chips U7 by resistance R 5; One end of described resistance R 8 connects power vd D, and the other end of described resistance R 8 is connected with the terminal TERM_ON of described GSM/GPRS wireless communication chips U7 by resistance R 6; Described resistance R 9 is connected with the terminal UART-RI of described GSM/GPRS wireless communication chips U7; One end of described capacitor C 1 is connected earth terminal GND with one end of capacitor C 2, and the other end of the other end of described capacitor C 1 and capacitor C 2 is connected with described GSM/GPRS wireless communication chips U7.
The design feature of the data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster of the present utility model is also:
The described AD conversion chip U1 of described A/D convertor circuit is chip AD574.
The described decoder chip U2 of described A/D convertor circuit is chip 74LS138.
Described not gate U3 and the not gate U5 of described A/D convertor circuit are 74LS04.
The described latch U4 of described A/D convertor circuit is chip 74LS373.
The described Sheffer stroke gate U6 of described A/D convertor circuit is 74LS00.
The described GSM/GPRS wireless communication chips U7 of described radio communication circuit is chip EM310.
Compared with the prior art, the utility model beneficial effect is embodied in:
The data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster of the present utility model, because circuit structure is simple, can be made into the structure of miniaturization, be directly installed on the tower bar or concrete bar of power circuit, directly near the parameters such as wind speed power circuit are measured in real time, and measuring-signal is issued in real time to the prior-warning device of signalization receiving end, staff can learn by the prior-warning device arranging in operating room the real-time status of tower bar, and its contingent disaster caused by a windstorm is predicted, thereby can reduce transmission line of electricity because strong wind causes the possibility of fault, improve the safe reliability of transmission line of electricity operation.
The data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster of the present utility model, has that can to measure in real time the parameter such as wind speed of transmission line of electricity, the safe reliability that improves transmission line of electricity operation, circuit simple and be easy to the advantages such as making.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster of the present utility model.
Fig. 2 is the A/D convertor circuit of the data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster of the present utility model.
Fig. 3 is single-chip microcomputer and the radio communication circuit of the data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster of the present utility model.
Below pass through embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
Embodiment
Referring to accompanying drawing 1～Fig. 3, the data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster, it comprises sensor group, solar panel, accumulator, A/D convertor circuit and radio communication circuit; Described sensor group is connected with described A/D convertor circuit, and described A/D convertor circuit, described sensor group and radio communication circuit are all connected and provide power supply by accumulator with described accumulator, and described A/D convertor circuit is connected with described radio communication circuit;
Described sensor group comprises air velocity transducer, wind transducer, temperature sensor, humidity sensor and atmosphere pressure sensor;
Described solar panel is connected with described accumulator, thereby is charge in batteries for sun power is converted to electric energy when sunny;
Described A/D convertor circuit comprises AD conversion chip U1, resistance R 1～R2, decoder chip U2, not gate U3, latch U4, not gate U5 and Sheffer stroke gate U6; One end of described resistance R 1 is connected with the terminal REF_IN of described AD conversion chip U1, one end of described resistance R 2 is connected with the terminal BPLRof of described AD conversion chip U1, and the other end of described resistance R 1 interconnects afterwards and is connected with the terminal REF_out of described AD conversion chip U1 with the other end of described resistance R 2; Terminals P 00～P07 of described latch U4 is connected with terminal DB4～DB11 of described AD conversion chip U1, the terminal R/C of described latch U4 is connected with the input end of described not gate U5, and the output terminal of described not gate U5 is connected with the terminal A0/SC of described AD conversion chip U1; The output terminal of described Sheffer stroke gate U6 is connected with the terminal CE of described AD conversion chip U1; The terminal CS of described decoder chip U2 is connected with the input end of described not gate U3, and the output terminal of described not gate U3 is connected with described latch U4;
Described radio communication circuit comprises GSM/GPRS wireless communication chips U7, a resistance R 3～R9, capacitor C 1～C3 and SIM card interface chip CON1; Described SIM card interface chip CON1 and described GSM/GPRS wireless communication chips U7 be connected (annexation between the two is shown in Fig. 3, and between U7 and CON1, the corresponding terminal of title interconnects); Described resistance R 3 is connected with the terminal RXD of described GSM/GPRS wireless communication chips U7, and described resistance R 4 is connected with the terminal TXD of described GSM/GPRS wireless communication chips U7; One end of described resistance R 7 connects power vd D, and the other end of described resistance R 7 is connected with the terminal RST of described GSM/GPRS wireless communication chips U7 by resistance R 5; One end of described resistance R 8 connects power vd D, and the other end of described resistance R 8 is connected with the terminal TERM_ON of described GSM/GPRS wireless communication chips U7 by resistance R 6; Described resistance R 9 is connected with the terminal UART-RI of described GSM/GPRS wireless communication chips U7; One end of described capacitor C 1 is connected earth terminal GND with one end of capacitor C 2, and the other end of the other end of described capacitor C 1 and capacitor C 2 is connected with described GSM/GPRS wireless communication chips U7.
When work, be charge in batteries by solar panel, described A/D convertor circuit, described sensor group and radio communication circuit provide power supply by accumulator, make data acquisition circuit of the present utility model not need additional configuration power supply, good environmental protection.Parameters such as the wind speed recording, blast, humiture and atmospheric pressure is transferred to A/D convertor circuit by each sensor, and measuring-signal sensor being obtained by A/D convertor circuit carries out sending to described radio communication circuit after AD conversion.Described radio communication circuit sends to by GSM/GPRS wireless communication chips U7 measuring-signal the data receiver of the online prior-warning device of transmission line of electricity strong wind disaster by measuring-signal, so far just completed the wireless collection function of data.Data acquisition circuit of the present utility model, because circuit structure is simple, can be made into the structure of miniaturization, be directly installed on the tower bar or concrete bar of power circuit, directly near the parameters such as wind speed power circuit are measured in real time, and measuring-signal is issued in real time to the prior-warning device of signalization receiving end, staff can learn by the prior-warning device arranging in operating room the real-time status of tower bar, and its contingent disaster caused by a windstorm is predicted, thereby can reduce transmission line of electricity because strong wind causes the possibility of fault, improve the safe reliability of transmission line of electricity operation.
The described AD conversion chip U1 of described A/D convertor circuit is chip AD574.
The described decoder chip U2 of described A/D convertor circuit is chip 74LS138.
Described not gate U3 and the not gate U5 of described A/D convertor circuit are 74LS04.
The described latch U4 of described A/D convertor circuit is chip 74LS373.
The described Sheffer stroke gate U6 of described A/D convertor circuit is 74LS00.
The described GSM/GPRS wireless communication chips U7 of described radio communication circuit is chip EM310.
Shown in Fig. 2 is the circuit theory diagrams of A/D convertor circuit.The AD574 chip that system has adopted Analogic Corp. of the U.S. to release, this chip be 12 bit A/D converters at a high speed, and its external original paper is few, low in energy consumption, and precision is high and have the advantages that automatic zero adjustment, auto polarity are changed.On AD574, connected 74LS373 latch and 74LS138 code translator, the sheet choosing end CS of AD574 is by code translator control, and the transition status of AD574 and reading result are by latch control.In the time starting A/D conversion, A0 and R/C are set low, a period of time postpones, and can read the numerical value of A/D.
Between the A/D convertor circuit of Fig. 2 and the radio communication circuit of Fig. 3, be connected by a SN74HC165D chip.The latch U4 of A/D convertor circuit is connected with SN74HC165D chip (this chip is not shown in the drawings), is obtained the 12 bit parallel digital signals of being exported by latch by SN74HC165D chip.SN74HC165D chip is connected with the RXD end of the EM310 of radio communication circuit.12 bit parallel digital signals are incorporated to/go here and there out by SN74HC165D chip the RXD that sends into wireless communication chips EM310 after processing again and hold.SN74HC165D chip is 8 shunt load shift registers.
Shown in Fig. 3 is the circuit theory diagrams of radio communication circuit.This circuit comprises wireless communication chips EM310.EM310 is a compatible type GSM/GPRS communication module, supports the voice coding of FR, EFR, HR and AMR, supports hand-free call, and echo inhibit feature is provided.The Information Monitoring of sensor that wireless communication chips EM310 sends in order to obtain A/D convertor circuit, and information is sent on time to the data receiver of the online prior-warning device of transmission line of electricity strong wind disaster.For strengthening stability, this chip operating voltage adopts 4.0V, do not use rim value voltage, otherwise voltage fluctuation meeting causes module job insecurity.For convenience of debugging, also can on LPG pin, meet a LED, in the time that EM310 receives information, can driving LED flicker, meanwhile, this module integration meet the SIM card interface of ISO7816-3 standard, and can automatically detect the SIM card of 3.0V and 1.8V.For the interference of filtering radiofrequency signal, the electric capacity of a 0.1uF in parallel between SIM-VCC and SIM-GND.

Claims (7)

1.输电线路大风灾害在线预警装置的无线数据采集电路，其特征是，包括传感器组、太阳能电池板、蓄电池、AD转换电路和无线通信电路；所述传感器组与所述AD转换电路相连接，所述AD转换电路、所述传感器组和无线通信电路均与所述蓄电池相连接并由蓄电池提供电源，所述AD转换电路与所述无线通信电路相连接；1. The wireless data acquisition circuit of the transmission line high wind disaster online early warning device is characterized in that it includes a sensor group, a solar panel, a storage battery, an AD conversion circuit and a wireless communication circuit; the sensor group is connected with the AD conversion circuit, The AD conversion circuit, the sensor group and the wireless communication circuit are all connected to the battery and powered by the battery, and the AD conversion circuit is connected to the wireless communication circuit; 所述传感器组包括风速传感器、风向传感器、温度传感器、湿度传感器和大气压传感器；The sensor group includes a wind speed sensor, a wind direction sensor, a temperature sensor, a humidity sensor and an atmospheric pressure sensor; 所述太阳能电池板与所述蓄电池相连接，用于在阳光充足时将太阳能转换为电能从而为蓄电池充电；The solar panel is connected to the storage battery, and is used to convert solar energy into electrical energy to charge the storage battery when the sun is sufficient; 所述AD转换电路包括AD转换芯片U1、电阻R1～R2、译码器芯片U2、非门U3、锁存器U4、非门U5和与非门U6；所述电阻R1的一端与所述AD转换芯片U1的端子REF_IN相连接，所述电阻R2的一端与所述AD转换芯片U1的端子BPLRof相连接，所述电阻R1的另一端与所述电阻R2的另一端相互连接后与所述AD转换芯片U1的端子REF_out相连接；所述锁存器U4的端子P00～P07与所述AD转换芯片U1的端子DB4～DB11相连接，所述锁存器U4的端子R/C与所述非门U5的输入端相连接，所述非门U5的输出端与所述AD转换芯片U1的端子A0/SC相连接；所述与非门U6的输出端与所述AD转换芯片U1的端子CE相连接；所述译码器芯片U2的端子CS与所述非门U3的输入端相连接，所述非门U3的输出端与所述锁存器U4相连接；The AD conversion circuit includes an AD conversion chip U1, resistors R1-R2, a decoder chip U2, a NOT gate U3, a latch U4, a NOT gate U5 and a NAND gate U6; one end of the resistor R1 is connected to the AD The terminal REF_IN of the conversion chip U1 is connected, one end of the resistor R2 is connected to the terminal BPLRof of the AD conversion chip U1, and the other end of the resistor R1 is connected to the other end of the resistor R2 and then connected to the AD The terminal REF_out of the conversion chip U1 is connected; the terminals P00-P07 of the latch U4 are connected to the terminals DB4-DB11 of the AD conversion chip U1, and the terminal R/C of the latch U4 is connected to the non- The input end of the gate U5 is connected, the output end of the NOT gate U5 is connected with the terminal A0/SC of the AD conversion chip U1; the output end of the NAND gate U6 is connected with the terminal CE of the AD conversion chip U1 connected; the terminal CS of the decoder chip U2 is connected to the input end of the NOT gate U3, and the output end of the NOT gate U3 is connected to the latch U4; 所述无线通信电路包括一个GSM/GPRS无线通信芯片U7、电阻R3～R9、电容C1～C3和SIM卡接口芯片CON1；所述SIM卡接口芯片CON1与所述GSM/GPRS无线通信芯片U7相连接；所述电阻R3与所述GSM/GPRS无线通信芯片U7的端子RXD相连接，所述电阻R4与所述GSM/GPRS无线通信芯片U7的端子TXD相连接；所述电阻R7的一端连接电源VDD，所述电阻R7的另一端通过电阻R5与所述GSM/GPRS无线通信芯片U7的端子RST相连接；所述电阻R8的一端连接电源VDD，所述电阻R8的另一端通过电阻R6与所述GSM/GPRS无线通信芯片U7的端子TERM_ON相连接；所述电阻R9与所述GSM/GPRS无线通信芯片U7的端子UART-RI相连接；所述电容C1的一端和电容C2的一端连接接地端GND，所述电容C1的另一端和电容C2的另一端与所述GSM/GPRS无线通信芯片U7相连接。Described wireless communication circuit comprises a GSM/GPRS wireless communication chip U7, resistance R3～R9, electric capacity C1～C3 and SIM card interface chip CON1; Described SIM card interface chip CON1 is connected with described GSM/GPRS wireless communication chip U7 ; The resistor R3 is connected to the terminal RXD of the GSM/GPRS wireless communication chip U7, and the resistor R4 is connected to the terminal TXD of the GSM/GPRS wireless communication chip U7; one end of the resistor R7 is connected to the power supply VDD , the other end of the resistor R7 is connected to the terminal RST of the GSM/GPRS wireless communication chip U7 through a resistor R5; one end of the resistor R8 is connected to the power supply VDD, and the other end of the resistor R8 is connected to the terminal RST through a resistor R6. The terminal TERM_ON of the GSM/GPRS wireless communication chip U7 is connected; the resistor R9 is connected with the terminal UART-RI of the GSM/GPRS wireless communication chip U7; one end of the capacitor C1 and one end of the capacitor C2 are connected to the ground terminal GND , the other end of the capacitor C1 and the other end of the capacitor C2 are connected to the GSM/GPRS wireless communication chip U7. 2.根据权利要求1所述的输电线路大风灾害在线预警装置的无线数据采集电路，其特征是，所述AD转换电路的所述AD转换芯片U1为芯片AD574。2. The wireless data acquisition circuit of the online warning device for strong wind disasters on transmission lines according to claim 1, wherein the AD conversion chip U1 of the AD conversion circuit is a chip AD574. 3.根据权利要求1所述的输电线路大风灾害在线预警装置的无线数据采集电路，其特征是，所述AD转换电路的所述译码器芯片U2为芯片74LS138。3. The wireless data acquisition circuit of the online warning device for strong wind disasters on transmission lines according to claim 1, wherein the decoder chip U2 of the AD conversion circuit is a chip 74LS138. 4.根据权利要求1所述的输电线路大风灾害在线预警装置的无线数据采集电路，其特征是，所述AD转换电路的所述非门U3和非门U5为74LS04。4 . The wireless data acquisition circuit of the online warning device for strong wind disasters on transmission lines according to claim 1 , wherein the NOT gate U3 and the NOT gate U5 of the AD conversion circuit are 74LS04. 5.根据权利要求1所述的输电线路大风灾害在线预警装置的无线数据采集电路，其特征是，所述AD转换电路的所述锁存器U4为芯片74LS373。5. The wireless data acquisition circuit of the online warning device for strong wind disasters on transmission lines according to claim 1, wherein the latch U4 of the AD conversion circuit is a chip 74LS373. 6.根据权利要求1所述的输电线路大风灾害在线预警装置的无线数据采集电路，其特征是，所述AD转换电路的所述与非门U6为74LS00。6 . The wireless data acquisition circuit of the online warning device for strong wind disasters on transmission lines according to claim 1 , wherein the NAND gate U6 of the AD conversion circuit is 74LS00. 7.根据权利要求1所述的输电线路大风灾害在线预警装置的无线数据采集电路，其特征是，所述无线通信电路的所述GSM/GPRS无线通信芯片U7为芯片EM310。7. The wireless data acquisition circuit of the online warning device for strong wind disasters on transmission lines according to claim 1, wherein the GSM/GPRS wireless communication chip U7 of the wireless communication circuit is a chip EM310.
CN201420096797.5U 2014-03-05 2014-03-05 Wireless data acquisition circuit for power transmission line gale disaster on-line early warning apparatus Expired - Fee Related CN203704982U (en)

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CN106130539A (en) * 2016-08-09 2016-11-16 上海耀华称重系统有限公司 Four line six line fast switching circuits of sensor output interface
CN110501519A (en) * 2019-07-15 2019-11-26 武汉纳思系统技术有限公司 One kind is based on power transmission line wind calamity linkage perception monitoring system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106130539A (en) * 2016-08-09 2016-11-16 上海耀华称重系统有限公司 Four line six line fast switching circuits of sensor output interface
CN106130539B (en) * 2016-08-09 2023-02-17 上海耀华称重系统有限公司 Four-wire six-wire fast switching circuit of sensor output interface
CN110501519A (en) * 2019-07-15 2019-11-26 武汉纳思系统技术有限公司 One kind is based on power transmission line wind calamity linkage perception monitoring system

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