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 PDFInfo
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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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Abstract
The utility model discloses a wireless data acquisition circuit for a power transmission line gale disaster on-line early warning apparatus. The wireless data acquisition circuit comprises a sensor group, a solar cell panel, a storage battery, an AD conversion circuit and a wireless communication circuit. The sensor group is connected with the AD conversion circuit; the storage battery is connected with the AD conversion circuit; the AD conversion circuit is connected with the wireless communication circuit; the sensor group comprises a wind speed sensor, a wind direction sensor and other sensors; the solar cell panel is connected with the storage battery; the AD conversion circuit comprises an AD conversion chip U1, resistors R1-R1, a decoder chip U2, a NOT gate U3, a latch register U4, a NOT gate U5 and a NAND gate Y6; and the wireless communication circuit comprises a GSM/GPRS wireless communication chip U7, resistors R3-R9, capacitors C1-C3, and a SIM card interface chip CON1. The wireless data acquisition circuit provided by the utility model has the advantages of real-time measurement of parameters such as the wind speed of a power transmission line and the like, improved operation safety and reliability of the power transmission line, simple circuit, easy manufacturing, and the like.
Description
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. the data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster, is characterized in that, 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 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.
2. the data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster according to claim 1, is characterized in that, the described AD conversion chip U1 of described A/D convertor circuit is chip AD574.
3. the data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster according to claim 1, is characterized in that, the described decoder chip U2 of described A/D convertor circuit is chip 74LS138.
4. the data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster according to claim 1, is characterized in that, described not gate U3 and the not gate U5 of described A/D convertor circuit are 74LS04.
5. the data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster according to claim 1, is characterized in that, the described latch U4 of described A/D convertor circuit is chip 74LS373.
6. the data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster according to claim 1, is characterized in that, the described Sheffer stroke gate U6 of described A/D convertor circuit is 74LS00.
7. the data acquisition circuit of the online prior-warning device of transmission line of electricity strong wind disaster according to claim 1, is characterized in that, the described GSM/GPRS wireless communication chips U7 of described radio communication circuit is chip EM310.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096797.5U CN203704982U (en) | 2014-03-05 | 2014-03-05 | Wireless data acquisition circuit for power transmission line gale disaster on-line early warning apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096797.5U CN203704982U (en) | 2014-03-05 | 2014-03-05 | Wireless data acquisition circuit for power transmission line gale disaster on-line early warning apparatus |
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| CN203704982U true CN203704982U (en) | 2014-07-09 |
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| CN201420096797.5U Expired - Fee Related CN203704982U (en) | 2014-03-05 | 2014-03-05 | Wireless data acquisition circuit for power transmission line gale disaster on-line early warning apparatus |
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Cited By (2)
| 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 |
| 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 |
-
2014
- 2014-03-05 CN CN201420096797.5U patent/CN203704982U/en not_active Expired - Fee Related
Cited By (3)
| 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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Granted publication date: 20140709 Termination date: 20210305 |
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