CN203630251U - Electric power line fault indicator - Google Patents
Electric power line fault indicator Download PDFInfo
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- CN203630251U CN203630251U CN201320856663.4U CN201320856663U CN203630251U CN 203630251 U CN203630251 U CN 203630251U CN 201320856663 U CN201320856663 U CN 201320856663U CN 203630251 U CN203630251 U CN 203630251U
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Abstract
The utility model discloses an electric power line fault indicator which comprises the components of: a CPU, a fault detecting circuit, an RF transceiver chip and a power module. The fault detecting circuit and the RF transceiver chip are respectively connected with the CPU. The power module supplies power for the CPU, the fault detecting circuit and the RF transceiver chip. The fault detecting module is connected with the electric power line for detecting current or voltage of the electric power line and transmitting detecting signals to the CPU. The CPU determines the detecting signals and transmits determining results out through the RF transceiver chip. According to the electric power line fault indicator, the circuit structure of the prior electric power line fault indicator is improved, and LORA intelligent low-power-consumption and long-distance wireless communication module is used and long-distance communication above 5KM can be realized through the prior electric power acquiring technique. Additionally, through a radio-relay transmission communication protocol, remote communication of the fault indicator in an economical and reliable solution is realized. Simultaneously, two electric power acquiring modes, namely mutual inductance electric power acquiring mode and battery electric power acquiring mode are adopted, thereby ensuring high reliability in power supplying.
Description
Technical field
The utility model relates to a kind of electric power line fault indicator.
Background technology
Electric power line fault indicator be for detection of and a kind of failure message indicating device of indicating the fault loop of power circuit whether to flow through herein.Its principle of work is in the time that power circuit breaks down, due to electric parameter sudden change in circuit, around power circuit, produce the variation of magnetic field and electric field, the operation circuit of electric power line fault indicator inside monitors these variablees, whether automatic decision fault loop flows through herein, and then output alarm signal drives display section work, and the flash red pilot lamp of reporting to the police, thereby reach the object of indication fault line fault.
Wherein, the index of the communication module of existing fault detector is: can reach-120dBm of (1) receiving sensitivity, and received current 20mA, (2) quiescent current is low to 5uA, (3) emissive power 20 dBm, spacious distance communication distance can reach 2KM.Based on the communication module of above index, it cannot use passive techniques to power, and must, by using voltage transformer (VT) or solar panel to make accessory power supply, just can and launch for the data receiver of long distance communication necessary power supply is provided.Therefore current line-failure indicator must just can carry out telecommunication (more than 5KM) by outside accessory power supply and high-power communication apparatus.The communication module of indicator self only possesses the ability of communication in hundreds of rice.
Utility model content
Therefore, for above-mentioned problem, the utility model proposes a kind of novel electric power line fault indicator, its circuit structure is improved, make its communication module power-dissipation-reduced, thereby the power-supply circuit that makes electric power line fault indicator can provide the long distance communication of wireless communication module required power supply, thus the deficiency of solution prior art.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is, a kind of electric power line fault indicator, comprise CPU, failure detector circuit, RF transceiving chip and power module, failure detector circuit, RF transceiving chip are all connected to CPU, power module is above-mentioned each module for power supply, failure detector circuit is connected on power circuit, for detection of electric current or the voltage of this power circuit, and detection signal is sent to CPU, CPU judges this detection signal, and judged result is sent by RF transceiving chip.
Wherein, described RF transceiving chip adopts the RF transmitting-receiving IC that model is SX127X, and this RF transmitting-receiving IC is that Semtech adopts LORA technology to make, and transmission range reaches 15km, and low in energy consumption.Because SX127X family chip adopts high sensitivity signal extracting mode, reduce the requirement of long distance communication to transmitter module power consumption; The power consumption of this RF transceiving chip under dormant state only has 100nA, meets the power requirement of fault detector, can long-play.
CPU adopts the C8051 chip microcontroller of low-power consumption, and CPU has mainly been responsible for the functions such as malfunction monitoring, power supply control, signal output, communication module control.RF transceiving chip adopts spi bus interface and CPU communication.
Further, described power module comprises mutual inductance power-supply circuit, and this mutual inductance power-supply circuit is connected to power circuit, carries out mutual inductance power taking.Further, described mutual inductance power-supply circuit comprises the sensing unit, rectification unit, boosting unit and the voltage regulation unit that are electrically connected successively, it forms current transformer by high permeability material, induction, rectification from power circuit, boost, after voltage stabilizing, formation can be for the stabilized voltage supply of subsequent conditioning circuit.
Further, in order to ensure Power supply reliability, described power module also comprises battery charging and discharging circuit and battery, and battery is connected with battery charging and discharging circuit is two-way.This battery can adopt 4.2V lithium battery, by battery charging and discharging circuit, 4.2V lithium battery is carried out to management of charging and discharging, in the time that mutual inductance power taking is not enough, battery-powered.
The utility model is low-power consumption, length to be installed in traditional electric power line fault indicator apart from wireless communication module, makes line-failure indicator possess telecommunication ability, can not rely on external accessory and carry out telecommunication.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of electric power line fault indicator of the present utility model.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
Use the fault detector on power circuit all to adopt passive power supply technique, by mutual inductance technology power taking on the line, when line load electric current is little, can only produce the little electric current of tens milliamperes, cannot support the power supply requirement of powerful long-distance radio communication.Therefore,, in existing electric power line fault indicator, there is the required power consumption of communication module too large, and its power-supply circuit cannot provide the problem of the required power supply of the long distance communication of wireless communication module.
For this reason, the utility model is in electric power line fault indicator, its circuit structure is improved, use LORA intelligence low-power consumption, long apart from wireless communication module, can under existing power taking technology, realize telecommunication more than 5KM, add the communications protocol of radio relay communication transmission, thus can a kind of economy, scheme realizes the telecommunication of fault detector reliably.Meanwhile, adopt mutual inductance power taking and two kinds of ways to take power of battery electricity-taking, ensure the reliability of power supply.
Concrete, as a specific embodiment, referring to Fig. 1, a kind of electric power line fault indicator of the present utility model, comprise CPU, failure detector circuit, RF transceiving chip and power module, failure detector circuit, RF transceiving chip are all connected to CPU, power module is above-mentioned each module for power supply, failure detector circuit is connected on power circuit, for detection of electric current or the voltage of this power circuit, and detection signal is sent to CPU, CPU judges this detection signal, and judged result is sent by RF transceiving chip.
Wherein, described RF transceiving chip adopts the RF transmitting-receiving IC that model is SX127X, and this RF transmitting-receiving IC is that Semtech adopts LORA technology to make, and transmission range reaches 15km, and low in energy consumption.Because SX127X family chip adopts high sensitivity signal extracting mode, reduce the requirement of long distance communication to transmitter module power consumption; The power consumption of this RF transceiving chip under dormant state only has 100nA, meets the power requirement of fault detector, can long-play.
CPU adopts the C8051 chip microcontroller of low-power consumption, and CPU has mainly been responsible for the functions such as malfunction monitoring, power supply control, signal output, communication module control.RF transceiving chip adopts spi bus interface and CPU communication.
Described power module comprises mutual inductance power-supply circuit, battery charging and discharging circuit and battery.This mutual inductance power-supply circuit is connected to power circuit, carries out mutual inductance power taking; Battery is connected with battery charging and discharging circuit is two-way.Wherein, battery is rechargeable battery, and it can adopt 4.2V lithium battery, by battery charging and discharging circuit, 4.2V lithium battery is carried out to management of charging and discharging, in the time that mutual inductance power taking is not enough, battery-powered.In addition, described mutual inductance power-supply circuit comprises the sensing unit, rectification unit, boosting unit and the voltage regulation unit that are electrically connected successively, it forms current transformer by high permeability material, induction, rectification from power circuit, boost, after voltage stabilizing, formation can be for the stabilized voltage supply of subsequent conditioning circuit.
The principles illustrated of the above-mentioned electric power line fault indicator of realizing telecommunication is as follows: battery forms 3.3V electric power loop together with battery charging and discharging circuit, and this 3.3V electric power loop and mutual inductance power-supply circuit are for subsequent use mutually; CPU is responsible for fault detect, data transmit-receive, action indication; Model be the RF transmitting-receiving IC of SX127X when flat in dormant state, current sinking 100nA; Can be waken up by external communication or be waken up by CPU.Because current sinking between the model RF transmitting-receiving IC communication period that is SX127X and between rest period is minimum, can be embedded in fault detector and use.This electric power line fault indicator, adopts the RF transmitting-receiving IC that model is SX127X, can reach following index: can reach-138dBm of (1) receiving sensitivity, received current 10mA, (2) quiescent current is low to 100nA, (3) emissive power 20 dBm, and spacious distance communication distance can reach 8KM.
In addition, this electric power line fault indicator also can be selected the advanced composite material (ACM) that magnetoconductivity is higher, further improves the power taking ability from a circuit.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection domain of the present utility model.
Claims (6)
1. an electric power line fault indicator, it is characterized in that: comprise CPU, failure detector circuit, RF transceiving chip and power module, failure detector circuit, RF transceiving chip are all connected to CPU, power module is above-mentioned each module for power supply, failure detector circuit is connected on power circuit, for detection of electric current or the voltage of this power circuit, and detection signal is sent to CPU, CPU judges this detection signal, and judged result is sent by RF transceiving chip.
2. electric power line fault indicator according to claim 1, is characterized in that: described RF transceiving chip adopts the RF transmitting-receiving IC that model is SX127X.
3. electric power line fault indicator according to claim 1, is characterized in that: described CPU adopts C8051 chip microcontroller.
4. electric power line fault indicator according to claim 1, is characterized in that: described power module comprises mutual inductance power-supply circuit, and this mutual inductance power-supply circuit is connected to power circuit, carries out mutual inductance power taking.
5. electric power line fault indicator according to claim 4, is characterized in that: described mutual inductance power-supply circuit comprises the sensing unit, rectification unit, boosting unit and the voltage regulation unit that are electrically connected successively.
6. electric power line fault indicator according to claim 4, is characterized in that: described power module also comprises battery charging and discharging circuit and battery, and battery is connected with battery charging and discharging circuit is two-way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856663.4U CN203630251U (en) | 2013-12-24 | 2013-12-24 | Electric power line fault indicator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856663.4U CN203630251U (en) | 2013-12-24 | 2013-12-24 | Electric power line fault indicator |
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| CN203630251U true CN203630251U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320856663.4U Expired - Fee Related CN203630251U (en) | 2013-12-24 | 2013-12-24 | Electric power line fault indicator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124880A (en) * | 2016-06-07 | 2016-11-16 | 广西电网有限责任公司电力科学研究院 | A kind of power transmission and transforming equipment comprehensive state Monitoring Data communication system being wirelessly transferred based on LoRa |
| CN106771859A (en) * | 2016-12-07 | 2017-05-31 | 国网浙江省电力公司电力科学研究院 | Fault detector and its long range means of communication based on LoRa technologies |
| CN112512183A (en) * | 2020-11-17 | 2021-03-16 | 厦门强力巨彩光电科技有限公司 | LED lamp system card convenient to overhaul |
| CN116908617A (en) * | 2023-07-21 | 2023-10-20 | 国网湖北省电力有限公司云梦县供电公司 | Distribution overhead line vase flashover fault locator |
-
2013
- 2013-12-24 CN CN201320856663.4U patent/CN203630251U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124880A (en) * | 2016-06-07 | 2016-11-16 | 广西电网有限责任公司电力科学研究院 | A kind of power transmission and transforming equipment comprehensive state Monitoring Data communication system being wirelessly transferred based on LoRa |
| CN106771859A (en) * | 2016-12-07 | 2017-05-31 | 国网浙江省电力公司电力科学研究院 | Fault detector and its long range means of communication based on LoRa technologies |
| CN112512183A (en) * | 2020-11-17 | 2021-03-16 | 厦门强力巨彩光电科技有限公司 | LED lamp system card convenient to overhaul |
| CN112512183B (en) * | 2020-11-17 | 2022-12-30 | 厦门强力巨彩光电科技有限公司 | LED lamp system card convenient to overhaul |
| CN116908617A (en) * | 2023-07-21 | 2023-10-20 | 国网湖北省电力有限公司云梦县供电公司 | Distribution overhead line vase flashover fault locator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160831 Address after: 361021 04A unit, 14 floor, 370 Yi Cheng street, Jimei District, Fujian, Xiamen Patentee after: Sheng Environmental Technology (Xiamen) Co., Ltd. Address before: The Lake District of Xiamen City, Fujian province 361000 Wuyuan Bay waterway 617 Si Bao extension office building 4 layer 02A Patentee before: SHENGFA POWER TECHNOLOGY (XIAMEN) CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20181224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |