CN201984103U - Lightning arrester current leakage on-line detection device - Google Patents
Lightning arrester current leakage on-line detection device Download PDFInfo
- Publication number
- CN201984103U CN201984103U CN2010206235120U CN201020623512U CN201984103U CN 201984103 U CN201984103 U CN 201984103U CN 2010206235120 U CN2010206235120 U CN 2010206235120U CN 201020623512 U CN201020623512 U CN 201020623512U CN 201984103 U CN201984103 U CN 201984103U
- Authority
- CN
- China
- Prior art keywords
- wireless
- circuit
- power supply
- management circuit
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Transceivers (AREA)
Abstract
The utility model discloses a lightning arrester current leakage on-line detection device which adopts a wireless synchronous measuring technology, and comprises a power supply and a management circuit of thereof, a wireless receiving and synchronous module, a communication module, a clock circuit, a wireless synchronous acquisition and management circuit, and a central processing unit (CPU) micro processor; the power supply and the management circuit thereof are responsible for the power supply of the wireless receiving and synchronous module; the wireless receiving and synchronous module is responsible for the wireless transceiving of current data and the voltage data of a battery pack; the communication module is responsible for sending and receiving the data of an upper computer; the clock circuit serves as a real-time clock in the device, and is used for determining the fault occurrence time; the wireless synchronous acquisition and management circuit is responsible for acquiring current signals and the voltage data of the battery pack, controlling the measurement synchronization with a wireless transmission line, obtaining the phase among the signals to be tested, and simultaneously uploading the data information to the wireless receiving and synchronous module wirelessly; and the CPU micro processor judges the working state of a lightning arrester according to the data information transmitted by the wireless receiving and synchronous module, controls the charge and the discharge of the battery pack of the power supply and the management circuit thereof, and feeds back the voltage state of the batter pack to a user.
Description
Technical field
The utility model relates to the leakage current of an arrester on-line measuring device, specifically, relates to a kind of leakage current of an arrester on-line measuring device that adopts the wireless synchronization measuring technique.
Background technology
The detection that electric system at present is used for leakage current of an arrester and resistive component mainly is the communication cable ways of connecting, traditional monitoring device is after operation a period of time, data communication all can go wrong, its reason one, be because communication cable all is to walk cable duct, can't avoid the strong power frequency interference signals in the cable duct; Reason two is because strong-electromagnetic fields such as switch motion and transformer switching disturb, and can seal in order circuit and cause the order circuit fault, and field measurement confirms that also the energy that the power frequency that causes during switch motion is disturbed is very big.Arrester on-line monitoring system all was to be made of signal pickup device and signal processing unit to the collection of leakage current in the past, connect with cable between the two, this mode can constitute a closed-loop path that area is bigger unavoidably, and power frequency magnetic field will form interference current in this loop.
The utility model content
At above deficiency, the utility model provides a kind of intellectuality, the leakage current of an arrester on-line measuring device that utilizes the wireless synchronization measuring technique simple in structure and easy for installation, it comprises wireless synchronization collection and management circuit thereof, power supply and management circuit thereof, wireless receiving and synchronization module, the CPU microprocessor, clock circuit and communication module, described wireless synchronization collection and management circuit thereof are used to gather the voltage of the electric battery of leakage current of an arrester signal and power supply and management circuit thereof, and control measurement synchronization between itself and the wireless transmission link, obtain the phase place between the measured signal, simultaneously the data message of being controlled is sent to wireless receiving and synchronization module by Wireless transmission mode; Described power supply and management circuit thereof are used for to wireless synchronization collection and management circuit power supply thereof; Described wireless receiving is connected with the CPU microprocessor with synchronization module, adopt carrier system to be responsible for receiving the data message of wireless synchronization collection and management circuit collection thereof, and receive battery voltage data in power supply and the management circuit thereof, and the data that receive are passed to the CPU microprocessor; Foundation as fault judgement; The CPU microprocessor is judged the duty of lightning arrester according to the data message of wireless receiving and synchronization module transmission, and batteries charging and the discharge of controlling power supply and management circuit thereof, and the voltage status of electric battery is fed back to the user.
Described wireless synchronization collection and management circuit thereof are made up of I/V change-over circuit, signal processing circuit, communication management unit and wireless module, and the I/V change-over circuit is used to gather current signal and cell voltage; Signal processing circuit is used to preserve the data that the I/V change-over circuit is used to gather, and obtains the phase place between the measured signal; The communication management unit is used to control the measurement synchronization between the wireless transmission link; Wireless module sends to wireless receiving and synchronization module with the data message of being controlled by Wireless transmission mode.
Described I/V change-over circuit adopts electromagnetic induction to realize.
Obtain the phase differential of two tested current signal fundametal compoments between described wireless synchronization collection and management circuit thereof and wireless receiving and the synchronization module by the Fast Fourier Transform (FFT) wireless communication mode.
Described power supply and management circuit thereof are by solar cell, sun-generated electric power is handled and buffer circuit, Charge Management unit one, Charge Management unit two, electric battery one, electric battery two, buffer circuit, primary power administrative unit and communication power supply administrative unit are formed, electric battery one and electric battery two adopt parallel running and warm standby mode each other by buffer circuit, solar cell is handled and buffer circuit by sun-generated electric power, buffer circuit, primary power administrative unit and communication power supply administrative unit realize the power supply of wireless synchronization collection and management circuit thereof, and realize electric battery one by Charge Management unit one and Charge Management unit two, the charging of electric battery two.
It also comprises communication module, and communication module is connected with the communication interface of CPU microprocessor, is responsible for transmission and reception with the host computer data.
It also comprises clock circuit, and clock circuit adopts I
2The C bus mode is connected with the CPU microprocessor, as the inner real-time clock of device, in order to determine time of failure.
The beneficial effects of the utility model: the utility model is installed on the down conductor of lightning arrester, monitor the lightning arrester operation conditions in real time, when lightning arrester is struck by lightning or valve block when aging, can be quick and precisely electric current and the phase information mode with wireless telecommunications be sent to synchronous transceiver and reaches remote computer, effectively improve the robotization and the modernization level of lightning arrester fault detect.In addition, as a kind of equipment of operation out of doors, this device adopts solar cell and the power supply of rechargeable battery dual power supply, adopts unique little power consumption technology and power management techniques simultaneously, efficiently solve the problem of the difficult wiring of outdoor equipment, have good environment applicability.
Description of drawings
Fig. 1 is the functional framework figure of the utility model leakage current of an arrester on-line measuring device;
Fig. 2 is a CPU microcontroller circuit schematic diagram of the present utility model;
Fig. 3 is the circuit theory diagrams of wireless synchronization collection of the present utility model and management circuit thereof;
Fig. 4 is the circuit theory diagrams of power supply of the present utility model and management circuit thereof.
Embodiment
Below in conjunction with accompanying drawing the utility model is further set forth.
As shown in Figure 1, leakage current of an arrester on-line measuring device of the present utility model is made up of wireless synchronization collection and management circuit 1, power supply and management circuit 2 thereof, wireless receiving and synchronization module 3, CPU microprocessor 4, clock circuit 5 and communication module 6.Power supply and management circuit 2 thereof are responsible for the power supply of wireless synchronization collection and management circuit 1 thereof; Wireless receiving is connected with CPU microprocessor 4 with synchronization module 3, adopt carrier system to be responsible for the wireless receiving and dispatching of the voltage data of the electric battery in front end (wireless synchronization collection and management circuit thereof) current data and power supply and the management circuit 2 thereof, with and the data that receive pass to CPU microprocessor 4, as the foundation of fault judgement; Communication module 6 is connected with the communication interface of CPU microprocessor 4, is responsible for transmission and reception with the host computer data; Clock circuit 5 adopts I
2The C bus mode is connected with CPU microprocessor 4, as the inner real-time clock (containing information such as year, month, day, hour, min, second) of device, in order to determine time of failure; Wireless synchronization is gathered and management circuit 1 is communicated by letter with synchronization module 3 with wireless receiving by the wireless carrier mode, gather the voltage data of current signal and electric battery, and control measurement synchronization between itself and the wireless transmission link, obtain the phase place between the measured signal, simultaneously with wireless wireless receiving and the synchronization module 3 of being uploaded to of the data message of being controlled; CPU microprocessor 4 is judged the duty of lightning arrester according to the data message of wireless receiving and synchronization module 3 transmission, and batteries charging and the discharge of controlling power supply and management circuit 2 thereof, and the voltage status of electric battery is fed back to the user.
Wireless synchronization is gathered and management circuit is made up of I/V change-over circuit 11, signal processing circuit 12, communication management unit 13 and wireless module 14, and I/V change-over circuit 11 is used to gather current signal and cell voltage, and I/V change-over circuit 11 adopts electromagnetic induction to realize; Signal processing circuit 12 is used to preserve the data that I/V change-over circuit 11 is used to gather, and obtains the phase place between the measured signal; Communication management unit 13 is used to control the measurement synchronization between the wireless transmission link; Wireless module 14 sends to wireless receiving and synchronization module 3 with the data message of being controlled by Wireless transmission mode.Wireless synchronization collection and management circuit 1 thereof and wireless receiving and synchronization module 3 guarantee the synchronized sampling of phase place by the algorithm of wireless telecommunications, and can not disturb between a plurality of communication modules because of simultaneously communication being arranged, design and use a kind of be the pure mathematics method of core with Fast Fourier Transform (FFT) (FFT), accurately ask for the phase differential of two tested current signal fundametal compoments; Simultaneously, can regulate the power that transmits and receives as required, to reduce the power consumption of micro power consumption wireless communication module 14 by communication management unit 13.As shown in Figure 3, wireless synchronization collection and management circuit 1 thereof are formed the signals collecting sensing circuit by great current sensor L, resistance R 1 and capacitor C 1, form amplifying circuit by differential amplifier, and wherein Vt connects the jointing temp sensor, is used for the measures ambient temperature signal; Vb1 and Vb2 are used for power supply voltage signal on the measuring-signal treatment circuit plate, are used for the Fault Identification of local measurement unit power supply status and A/D conversion chip; V1 is used for the measuring current signal of insulating monitoring.Through difference amplify and the anti-aliasing filter processing of circuit after simulating signal insert the AD port of 16 250kSPS6 road synchronized sampling SAR type A/D conversion chip ADS8365 of special use respectively, the data after the conversion are sent data by wireless communication module 14 after the CPU processor processing.
Power supply and management circuit 2 thereof are handled by solar cell 21, sun-generated electric power and buffer circuit 22, Charge Management unit 1, Charge Management unit 2 24, electric battery 1, electric battery 2 26, buffer circuit 27, primary power administrative unit 28 and communication power supply administrative unit 29 are formed, electric battery 1 and electric battery 2 26 adopts parallel runnings and warm standby mode each other, the power supply reliability of raising device by buffer circuit 27.Have at solar cell 21 under the situation of output, power to wireless synchronization collection and management circuit 1 thereof by sun-generated electric power processing and buffer circuit 22, buffer circuit 27, primary power administrative unit 28 and communication power supply administrative unit 29 by solar cell 21, and give electric battery 1, electric battery 2 26 chargings respectively by Charge Management unit 1 and Charge Management unit 2 24; Under the situation of solar cell 21 no-outputs, power to wireless synchronization collection and management circuit 1 thereof by buffer circuit 27, primary power administrative unit 28 and communication power supply administrative unit 29 by electric battery 1 and electric battery 2 26, microprocessor 4 is implemented intelligentized management of charging and discharging by Charge Management unit 1, Charge Management unit 2 26 and 29 pairs of electric battery 1 of communication power supply administrative unit, electric battery 2 26, prevent to overcharge and cross and put, guarantee the normal serviceable life of battery.As shown in Figure 4, power supply and management circuit 2 thereof comprise solar cell B_sun, electric battery B1/B2, isolating diode D1/D2/D3, charging management chip U3/U4 and power management chip U5/U6.Solar cell B_sun is through isolating diode D1 and U3, U4, power input VDD or the Vin of U5 and U6 are connected, the power supply output of charging management chip U3 meets electric battery B1, and be connected with the power input Vin of power management chip U5 and U6 through isolating diode D2, the simulating signal Vb1 of cell voltage is connected with the Vb1 of wireless synchronization collection and management circuit 1 thereof simultaneously, the power supply output of charging management chip U4 meets electric battery B2, and be connected with the power input Vin of power management chip U5 and U6 through isolating diode D3, the simulating signal Vb2 of cell voltage is connected with the Vb2 of wireless synchronization collection and management circuit 1 thereof simultaneously, the state output pin Bst1 of charging management chip U3 and U4 is connected with PB2 with the standard input and output pin PB1 of single-chip microcomputer respectively with Bst2, the power supply output Vout of power management chip U5 connects the Vcc pin of single-chip microcomputer U1, the power supply output Vout of power management chip U6 connects the Vcc pin of news module, and its On/Off pin connects the PB4 pin of single-chip microcomputer U1 simultaneously.
Wherein, clock circuit 5 of the present utility model and communication module 6 adopt existing current techique to realize, here no longer elaborate.
As shown in Figure 2, chip microprocessor 4 adopts the 32-bit number signal processing chips, TMS320F2812DSP chip, its peripheral circuit comprise reset, crystal oscillator input, A/D conversion be with reference to input filtering, jtag interface and wire jumper selection etc.Use one road serial ports to connect wireless sampling and synchronization module 3; TXD0, RXD0 pin are connected TXD, the RXD pin of news module 6 respectively.Clock circuit 5 adopts clock chip, and its data-interface SDA is connected the standard input/output port GPIO1 and the GPIO2 of microprocessor 4 with clock synchronization interface SCL.
Claims (7)
1. a leakage current of an arrester on-line measuring device is characterized in that, it comprises wireless synchronization collection and management circuit, power supply and management circuit thereof, wireless receiving and synchronization module, CPU microprocessor, clock circuit and communication module,
Described wireless synchronization collection and management circuit thereof are used to gather the voltage of the electric battery of leakage current of an arrester signal and power supply and management circuit thereof, and control measurement synchronization between itself and the wireless transmission link, obtain the phase place between the measured signal, simultaneously the data message of being controlled is sent to wireless receiving and synchronization module by Wireless transmission mode;
Described power supply and management circuit thereof are used for to wireless synchronization collection and management circuit power supply thereof;
Described wireless receiving is connected with the CPU microprocessor with synchronization module, adopt carrier system to be responsible for receiving the data message of wireless synchronization collection and management circuit collection thereof, and receive battery voltage data in power supply and the management circuit thereof, and the data that receive are passed to the CPU microprocessor; Foundation as fault judgement;
The CPU microprocessor is judged the duty of lightning arrester according to the data message of wireless receiving and synchronization module transmission, and the batteries charging and the discharge of control power supply and management circuit thereof, and the voltage status of electric battery is fed back to the user.
2. leakage current of an arrester on-line measuring device according to claim 1, it is characterized in that, described wireless synchronization collection and management circuit thereof are made up of I/V change-over circuit, signal processing circuit, communication management unit and wireless module, and the I/V change-over circuit is used to gather current signal and cell voltage; Signal processing circuit is used to preserve the data that the I/V change-over circuit is used to gather, and obtains the phase place between the measured signal; The communication management unit is used to control the measurement synchronization between the wireless transmission link; Wireless module sends to wireless receiving and synchronization module with the data message of being controlled by Wireless transmission mode.
3. leakage current of an arrester on-line measuring device according to claim 2 is characterized in that, described I/V change-over circuit adopts electromagnetic induction to realize.
4. leakage current of an arrester on-line measuring device according to claim 3, it is characterized in that, obtain the phase differential of two tested current signal fundametal compoments between described wireless synchronization collection and management circuit thereof and wireless receiving and the synchronization module by the Fast Fourier Transform (FFT) wireless communication mode.
5. according to claim 2,3 or 4 described leakage current of an arrester on-line measuring devices, it is characterized in that, described power supply and management circuit thereof are by solar cell, sun-generated electric power is handled and buffer circuit, Charge Management unit one, Charge Management unit two, electric battery one, electric battery two, buffer circuit, primary power administrative unit and communication power supply administrative unit are formed, electric battery one and electric battery two adopt parallel running and warm standby mode each other by buffer circuit, solar cell is handled and buffer circuit by sun-generated electric power, buffer circuit, primary power administrative unit and communication power supply administrative unit realize the power supply of wireless synchronization collection and management circuit thereof, and realize electric battery one by Charge Management unit one and Charge Management unit two, the charging of electric battery two.
6. leakage current of an arrester on-line measuring device according to claim 5 is characterized in that it also comprises communication module, and communication module is connected with the communication interface of CPU microprocessor, is responsible for transmission and reception with the host computer data.
7. according to claim 1 or 6 described leakage current of an arrester on-line measuring devices, it is characterized in that it also comprises clock circuit, clock circuit adopts I
2The C bus mode is connected with the CPU microprocessor, as the inner real-time clock of device, in order to determine time of failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206235120U CN201984103U (en) | 2010-11-23 | 2010-11-23 | Lightning arrester current leakage on-line detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206235120U CN201984103U (en) | 2010-11-23 | 2010-11-23 | Lightning arrester current leakage on-line detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201984103U true CN201984103U (en) | 2011-09-21 |
Family
ID=44611561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206235120U Expired - Lifetime CN201984103U (en) | 2010-11-23 | 2010-11-23 | Lightning arrester current leakage on-line detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201984103U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842521A (en) * | 2016-05-24 | 2016-08-10 | 北京工业大学 | Charging type portable low-sampling-voltage-drop microamp micro-current monitoring system |
| CN107807266A (en) * | 2017-10-31 | 2018-03-16 | 国家电网公司 | Leakage current of an arrester remote online monitoring system |
| CN108710048A (en) * | 2018-07-26 | 2018-10-26 | 云南电网有限责任公司曲靖供电局 | The lightning arrester monitoring device and system warned with acousto-optic |
| CN112782502A (en) * | 2020-12-04 | 2021-05-11 | 国网江苏省电力有限公司盐城供电分公司 | Lightning arrester detection system based on multiple signal acquisition and detection method thereof |
| CN116680621A (en) * | 2023-08-02 | 2023-09-01 | 国网江苏省电力有限公司 | Lightning arrester phase angle difference prediction method, device, equipment and storage medium |
-
2010
- 2010-11-23 CN CN2010206235120U patent/CN201984103U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842521A (en) * | 2016-05-24 | 2016-08-10 | 北京工业大学 | Charging type portable low-sampling-voltage-drop microamp micro-current monitoring system |
| CN107807266A (en) * | 2017-10-31 | 2018-03-16 | 国家电网公司 | Leakage current of an arrester remote online monitoring system |
| CN108710048A (en) * | 2018-07-26 | 2018-10-26 | 云南电网有限责任公司曲靖供电局 | The lightning arrester monitoring device and system warned with acousto-optic |
| CN112782502A (en) * | 2020-12-04 | 2021-05-11 | 国网江苏省电力有限公司盐城供电分公司 | Lightning arrester detection system based on multiple signal acquisition and detection method thereof |
| CN116680621A (en) * | 2023-08-02 | 2023-09-01 | 国网江苏省电力有限公司 | Lightning arrester phase angle difference prediction method, device, equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201984103U (en) | Lightning arrester current leakage on-line detection device | |
| CN101762333B (en) | High-voltage power line wireless temperature acquisition system | |
| CN201909823U (en) | Power transmission line transient current-carrying capacity monitoring device | |
| CN103645443A (en) | Storage battery measurement and control system | |
| CN202025032U (en) | Electronic mutual inductor with on-line state monitoring | |
| CN202770538U (en) | Power transmission line T contact automatic temperature measurement and alarm system | |
| CN203910000U (en) | Concentrator electricity meter reading on-site communication failure analysis system based on mobile phone Bluetooth | |
| CN102129765A (en) | System for monitoring temperature of high voltage equipment | |
| CN201508408U (en) | Intelligent device for wirelessly monitoring state of storage batteries used for direct current screen of transformer substation | |
| CN108923878A (en) | Based on the wireless sensor node synchronous with GPS time service of WiFi | |
| CN204924486U (en) | Novel passive wireless temperature monitoring and early warning system | |
| CN103925949A (en) | Agriculture detection device | |
| CN106771842A (en) | A kind of fuse on-line monitoring system | |
| CN110758172A (en) | Internet of things-based electric vehicle charging and advertising all-in-one machine system and terminal | |
| CN202814597U (en) | High-voltage power transmission line temperature measuring system | |
| CN206876844U (en) | Power communication battery wireless monitor integrated device | |
| CN106323358A (en) | High-voltage transmission line wireless current temperature monitoring device | |
| CN206223901U (en) | A kind of fuse on-line monitoring system | |
| CN105333915A (en) | IOT energy measurement collection mechanism | |
| CN211878248U (en) | Optical cable joint box monitoring device based on NB technology | |
| CN201014998Y (en) | Transmission line insulator flashover fault monitoring and positioning device | |
| CN208489854U (en) | Based on the wireless sensor node synchronous with GPS time service of WiFi | |
| CN202887435U (en) | Wireless data processing and transmission device of wind and light complementation generating system | |
| CN203608371U (en) | Health-degree vector monitor for base station equipment | |
| CN202057720U (en) | Current and temperature real-time monitoring device for transmission line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Power distribution network leakage current of an arrester on-line measuring device Effective date of registration: 20170803 Granted publication date: 20110921 Pledgee: Guangzhou Caold financing Company limited by guarantee Pledgor: Guangzhou Scisun Technology Co., Ltd. Registration number: 2017440000061 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180329 Granted publication date: 20110921 Pledgee: Guangzhou Caold financing Company limited by guarantee Pledgor: Guangzhou Scisun Technology Co., Ltd. Registration number: 2017440000061 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |
|
| CX01 | Expiry of patent term |