CN200956049Y - Transmission line short circuit fault position timely positioning and position wireless notice device - Google Patents
Transmission line short circuit fault position timely positioning and position wireless notice device Download PDFInfo
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- CN200956049Y CN200956049Y CN 200620022407 CN200620022407U CN200956049Y CN 200956049 Y CN200956049 Y CN 200956049Y CN 200620022407 CN200620022407 CN 200620022407 CN 200620022407 U CN200620022407 U CN 200620022407U CN 200956049 Y CN200956049 Y CN 200956049Y
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Abstract
The utility model relates to a malfunction locating and wireless reporting device of electrization railway contact line power transmission, pertains to the area of trunk line electrification device, and includes a current-inductive component, a voltage-inductive component, a comparative equipment of current and voltage, a wireless signal generating and eradiating component, an interface circuit, a wireless signal generating and eradiating antenna, a power supply and a setting plate cover. The utility model has characteristics that the current-inductive component receives the current in the power transmitting line by the alternating magnetic field, compares the current with the setting value by the circuit, generates wireless signal if the current oversteps the setting value and sends the wireless signal to appointed device by antenna. The signal generated by the wireless signal generating and eradiating antenna can be sent to the communicated connection net and the communicated connection net send message or connects with the mobile phone user. The utility model can be arranged at the shore or the bracket of the line. If the short occurs, the maintenance personnel can ascertain the malfunction position by the received signal which is sent by the utility model on the broken-down line and fix the line which is broken-down.
Description
Technical field: the utility model relates to a kind of device of determining timely location of short trouble and position wireless notification on electric power, contact nets in electrified railways power transmission sequence, particularly a kind of device that is used to search transmission line malfunction.Belong to the electric railway apparatus field.
Background technology: electric power transmission line, contact nets in electrified railways are visual plants to the user of power delivery.No matter be electric power transmission line or contact nets in electrified railways, all be outdoor equipment, bear various abominable physical environments; Transmission distance is far away, and the topography and geomorphology complexity of being passed through is difficult to monitoring constantly to omnidistance line status.Thereby the probability of the tripping operation that is short-circuited is very big.After being short-circuited, must find out fault after, could recover to send.Therefore, determine it fixedly is crucial, the past has a lot of methods to determine to hinder a little admittedly, but in actual use, effect is not very good, and as the fault-locating unit of transformer and distribution station, owing to be subjected to the influence of short dot impedance, the size of load along the line all influences the accuracy of surveying; Various line shorts fall the board display device, though can show the position of fault as Chinese patent CN00222219.1, CN03234588.7, search personnel and must advance along circuit, can not utilize highway communication nearby, and consuming time many, personnel labor intensity is big.
Summary of the invention: the utility model purpose is to overcome the prior art deficiency, provides a kind of detection accurate, in time notifies the transmission line of electricity short trouble position of fault origination point in time to locate and position wireless notification device.This device adopts space electromagnetic coupled principle, not contact electrification is (complete unit also can be contained in charged part and do not contact grounded parts) partly, carry out the current-voltage measurement of circuit, electric current by comparison means and setting compares, when electric current surpasses setting, connect wireless signal transmitting device, send the signal of regulation, the operator on duty just can in time receive the information that circuit is short-circuited by receiving trap.
The purpose of this utility model is finished by following array structure: a kind of transmission line of electricity short trouble position is location and position wireless notification device in time, it has induction line current (2), induction line voltage (8) device, voltage, electric current comparison means, interface circuit (4), (5), emitting antenna (6) take place in wireless signal, power supply (3) and shell fixed head (1) are formed, and it is characterized in that: current sensing means (2) induces the electric current of (7) on the electric power transmission line by alternating magnetic field; By electronic circuit (4) electric current of induction and the current value of setting are compared; When induction current surpasses the current value of setting, start wireless signal (5) take place,, send signal to appointed equipment through emitting antenna (6).
Voltage induced device (8) induces voltage-to-ground on the transmission line of electricity by alternating electric field; By electronic circuit (4) induced voltage of circuit and the magnitude of voltage of setting are compared, when inductive voltage value is higher than setting value, can stop the startup wireless launcher.(5) and emitting antenna (6) take place in wireless signal, and the signal of transmission can be delivered in the mobile communications network, are sent note or connect phonetic function to the cellphone subscriber by mobile communications network.(5) and emitting antenna (6) take place in no wireless signal, and the signal of transmission also is sent on the receiving equipment of appointment.
Principle of work: with all parts, element, battery is contained in the shell, shell is fixed on from the appropriate location of charged part safety (when charged part is installed, in appropriate location) from grounded parts safety, electric power transmission line (7) is when having electric current to pass through, becoming varying magnetic field is coupled on the coil (L1) of induction line current device (2) by the space, coil (L1) produces corresponding induced voltage according to electric power transmission line (7) size of current, induced voltage is input to an end of the comparer (IC1) in the electronic circuit, when line short, the current ratio normal load is a lot of greatly, the induced voltage of coil (L1) raises to and surpasses the voltage of comparer (IC1) other end, the state output terminal of comparer (IC1) changes, electric capacity (C1) discharge, along with the voltage on the electric capacity (C1) descends, comparer (IC2) state output terminal changes, trigger wireless transmitter module and send specified signal, after receiving trap received and sends signal, calling or circuit were short-circuited, and finished the line fault circular.When many were used, the user can carry out frequency or digital number numbering to every, after the reception, and the frequency or the digital number of contrast action, thus determine the position of short circuit.
This device is by to the current measurement on the transmission line of electricity, voltage measuring apparatus, and electric current, voltage and setting voltage comparison means and radio signal launcher are formed.The utlity model has safe and reliable, confirm the position of fault accurately, instant, it can be installed on the every support electric pole, support of transmission line of electricity extensions, after the fault that is short-circuited, the repairing personnel support the signal indication that this device on the electric pole sends according to the fault transmission line of electricity that receives, determine the accurate position of fault transmission line of electricity, repair logical fault transmission line of electricity fast.
Description of drawings:, structure of the present utility model and annexation done describing in further detail, but protection domain is not limited to the accompanying drawing illustrated embodiment below in conjunction with the accompanying drawing illustrated embodiment.
Shown in Figure 1 device to the measuring circuit overcurrent after, enter the circuit diagram of mobile communications network wireless transmit principle.
Behind shown in Figure 2 the measurement device line current overcurrent, enter the circuit diagram of communication wireless transmit principle.
After shown in Figure 3 measurement device line current overcurrent, measuring circuit voltage reduced, startup entered the circuit diagram of mobile communications network wireless transmit principle.
Shown in Figure 4 to after this measurement device line current overcurrent, the reduction of measuring circuit voltage, startup enters the circuit diagram of communication wireless transmit principle.
Shown in Figure 5 device only detects overcurrent, carries out the structural representation of wireless transmission.
Shown in Figure 6 device only detects overcurrent, the structural representation by the wireless module transmission.
Shown in Figure 7 device detects overcurrent, line voltage distribution reduction, carries out the structural representation of wireless transmission.
Figure 8 shows that the utility model detects overcurrent, line voltage distribution reduces, line voltage distribution induction installation and radio transmitting antenna are unified, and carry out the structural representation of wireless transmission.
Figure 9 shows that this device is installed in the structural representation on the electric power transmission line.
Embodiment: circuit principle structure embodiment illustrated in fig. 1 describes entering mobile communications network wireless transmit principle behind this measurement device line current overcurrent.
Electromagnetic induction coil (L1) is installed in apart from the appropriate location of the electric electricity peace distance of transmission line of electricity (X1), when electric current (I) being arranged when passing through among the L1, around lead, produce the space alternating electromagnetic field that is directly proportional with strength of current, the part electromagnetic field makes inductive coil produce the induced voltage (or electric current) that is directly proportional with magnetic field by inductive coil (L1); Resistance R 1, R2, R3, R4 and comparison integrated circuit (IC1) are formed voltage comparator circuit jointly, when induced voltage surpasses the magnitude of voltage of setting, relatively integrated circuit (IC) 1 circuit produces upset, make the charge discharge in the electric capacity (C1), voltage reduces, thereby cause that comparison integrated circuit (IC2) circuit produces upset, triggers the GMS/CDMA transmitter module sends the information that prestores or dials setting in mobile communication system phone number.The GMS/CDMA transmitter module is general integrated package product.
Circuit principle structure embodiment illustrated in fig. 2 behind this measurement device line current overcurrent, enters communication wireless transmit principle and describes.
Electromagnetic induction coil (L1) is installed in apart from the appropriate location of the electric electricity peace distance of transmission line of electricity (X1), when electric current (I) being arranged when passing through among the L1, around lead, produce the space alternating electromagnetic field that is directly proportional with strength of current, the part electromagnetic field makes inductive coil produce the induced voltage (or electric current) that is directly proportional with magnetic field by inductive coil (L1); Resistance R 1, R2, R3, R4 and comparison integrated circuit (IC1) are formed voltage comparator circuit jointly, when induced voltage surpasses the magnitude of voltage of setting, relatively integrated circuit (IC) 1 circuit produces upset, make the charge discharge in the electric capacity (C1), voltage reduces, thereby cause that comparison integrated circuit (IC2) circuit produces upset, trigger wireless transmitter module and in receiving trap, send information or the calling that prestores.Wireless transmitter module is general integrated package product.
Circuit principle structure embodiment illustrated in fig. 3, after this measurement device line current overcurrent, the reduction of measuring circuit voltage, startup enters mobile communications network wireless transmit principle and describes.
Electric field induction antenna (T1) is installed in apart from the appropriate location of the electric electricity peace distance of transmission line of electricity (X1), antenna (T1) with form an air electric capacity (C3) apart from transmission line of electricity (X1) by the space, when operate as normal, by air electric capacity (C3), the voltage that voltage on resistance R 10 is set greater than circuit, the relatively interrupted upset of integrated circuit (IC2), make the voltage of electric capacity (C2) very low, the voltage that electromagnetic induction coil (L1) produces can not make comparison integrated circuit (IC1) upset, thereby just often at voltage, no matter electric current is much, circuit can not move; Electromagnetic induction coil (L1) is installed in apart from the appropriate location of the electric electricity peace distance of transmission line of electricity X1, when electric current (I) being arranged when passing through among the L1, around lead, produce the space alternating electromagnetic field that is directly proportional with strength of current, the part electromagnetic field makes inductive coil produce the induced voltage (or electric current) that is directly proportional with magnetic field by inductive coil (L1); When circuit is short-circuited, relatively integrated circuit (IC2) can not overturn, the voltage of electric capacity (C2) is raise, resistance R 1, R2, R3, R4 and comparison integrated circuit (IC1) are formed voltage comparator circuit jointly, when current sense voltage surpasses the magnitude of voltage of setting, relatively integrated circuit (IC1) circuit produces upset, make the charge discharge in the electric capacity (C1), voltage reduces, thereby cause that comparison integrated circuit (IC2) circuit produces upset, triggers the GMS/CDMA transmitter module sends the information that prestores or dials setting in mobile communication system phone number.The GMS/CDMA transmitter module is general integrated package product.
Circuit principle structure embodiment illustrated in fig. 4, after this measurement device line current overcurrent, the reduction of measuring circuit voltage, startup enters communication wireless transmit principle and describes.
Electric field induction antenna (T1) is installed in apart from the appropriate location of the electric electricity peace distance of transmission line of electricity (X1), antenna (T1) with form an air electric capacity (C3) apart from transmission line of electricity (X1) by the space, when operate as normal, by air electric capacity (C3), the voltage that voltage on resistance R 10 is set greater than circuit, the relatively interrupted upset of integrated circuit (IC2), make the voltage of electric capacity (C2) very low, the voltage that electromagnetic induction coil (L1) produces can not make comparison integrated circuit (IC1) upset, thereby just often at voltage, no matter electric current is much, circuit can not move; Electromagnetic induction coil (L1) is installed in apart from the appropriate location of the electric electricity peace distance of transmission line of electricity X1, when electric current (I) being arranged when passing through among the L1, around lead, produce the space alternating electromagnetic field that is directly proportional with strength of current, the part electromagnetic field makes inductive coil produce the induced voltage (or electric current) that is directly proportional with magnetic field by inductive coil (L1); When circuit is short-circuited, relatively integrated circuit (IC2) can not overturn, the voltage of electric capacity (C2) is raise, resistance R 1, R2, R3, R4 and comparison integrated circuit (IC1) are formed voltage comparator circuit jointly, when current sense voltage surpasses the magnitude of voltage of setting, relatively integrated circuit (IC1) circuit produces upset, make the charge discharge in the electric capacity (C1), voltage reduces, thereby cause that comparison integrated circuit (IC2) circuit produces upset, trigger wireless transmitter module and in receiving trap, send information or the calling that prestores.Wireless transmitter module is general integrated package product.
The apparatus structure of overcurrent by the GMS/CDMA Network Transmission that only detect of assembling embodiment illustrated in fig. 5 describes.
Current sensor device (2), power supply (3), overcurrent relatively plate (4), GMS/CDMA radio transmission plate (5) are installed in the shell, radio emissioning antenna (6) is fixed on the shell, be fixed near the transmission line of electricity or the appropriate location of charged part by shell, when overcurrent, carry out sending the signal of regulation according to accompanying drawing 1,2 circuit theories to network system (9), through network to mobile phone (10) the transmission information or the calling handset user that set.
The overcurrent that only detects of assembling embodiment illustrated in fig. 6 describes by the apparatus structure that wireless module transmits.
Current sensor device (2), power supply (3), overcurrent relatively plate (4), radio transmission plate (5) are installed in the shell, radio emissioning antenna (6) is fixed on the shell, be fixed near the transmission line of electricity or the appropriate location of charged part by shell, when overcurrent, carry out sending to the space signal of regulation according to accompanying drawing 1,2 circuit theories, the receiving trap that has configured (11) just can receive corresponding signal.
The detection overcurrent of assembling embodiment illustrated in fig. 7, line voltage distribution reduce, and the apparatus structure that carries out wireless transmission describes.
Current sensor device (2), power supply (3), overcurrent relatively plate (4), GMS/CDMA radio transmission plate (5) are installed in the shell, radio emissioning antenna (6), line voltage distribution sensing device (8) are fixed on the shell, be fixed near the transmission line of electricity or the appropriate location of charged part by shell, when overcurrent, outwards transmit according to accompanying drawing 3,4 circuit theories, receive by accompanying drawing 5 (or the structure of accompanying drawing 6 is formed).
The detection overcurrent of assembling embodiment illustrated in fig. 8, line voltage distribution reduce, line voltage distribution induction installation and the unification of radio transmitting antenna, and the apparatus structure that carries out wireless transmission describes.
Current sensor device (2), power supply (3), overcurrent relatively plate (4), GMS/DMA radio transmission plate (5) are installed in the shell, radio emissioning antenna (6) has the line voltage distribution sensing function concurrently, be fixed on the shell, be fixed near the transmission line of electricity or the appropriate location of charged part by shell, when overcurrent, outwards transmit according to accompanying drawing 3,4 circuit theories, receive by accompanying drawing 5 (or the structure of accompanying drawing 6 is formed).
Embodiment illustrated in fig. 9 for this device is installed on the electric power transmission line, when the transmission line of electricity short circuit, this device action describes in proper order.
When being short-circuited (13) between the two-phase electric wire of G4 bar, wherein the electric current caller of a phase power supply to (12) from left to right, when the G4 bar, electric current returns power supply through short circuit (13).There is not electric current on the G4 bar transmission line of electricity to the right.When device has only overcurrent when control, the pick-up unit of G1~G4 bar detects excess current, and device action sends signal to the device of appointment.The pick-up unit of G5~G6 bar detects less than electric current, and device is failure to actuate, and the staff who receives the device signal just can judge G4 bar place short circuit has taken place.When device had voltage and closes institute, when short circuit had taken place at G4 bar place, the voltage of whole piece circuit went to zero, and voltage closes institute's device and opens, and the pick-up unit of G1~G4 bar detects excess current, and device action sends signal to the device of appointment.The pick-up unit of G5~G6 bar detects less than electric current, opens though voltage closes institute, and device also is failure to actuate, and the staff who receives the device signal also can judge G4 bar place short circuit has taken place.
Claims (3)
1, a kind of transmission line of electricity short trouble position is location and position wireless notification device in time, it has induction line current (2), induction line voltage (8) device, voltage, the electric current comparison means, interface circuit (4), (5) take place in wireless signal, emitting antenna (6), power supply (3) and shell fixed head (1) are formed, it is characterized in that current sensing means (2) induces the electric current of (7) on the electric power transmission line by alternating magnetic field, by electronic circuit (4) electric current of induction and the current value of setting are compared, when induction current surpasses the current value of setting, start wireless signal (5) take place, send signal to appointed equipment through emitting antenna (6).
2, in time location and position wireless notification device of transmission line of electricity short trouble according to claim 1 position is characterized in that: voltage induced device (8) induces voltage-to-ground on the transmission line of electricity by alternating electric field; By electronic circuit (4) induced voltage of circuit and the magnitude of voltage of setting are compared, when inductive voltage value is higher than setting value, can stop the startup wireless launcher.
3, timely location, transmission line of electricity short trouble position according to claim 1 and 2 and position wireless notification device, it is characterized in that: the signal that wireless signal generation (5) and emitting antenna (6) send can be delivered in the mobile communications network, send note or connect phonetic function to the cellphone subscriber by mobile communications network, (5) and emitting antenna (6) take place in no wireless signal, and the signal of transmission also is sent on the receiving equipment of appointment.
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CN 200620022407 CN200956049Y (en) | 2006-09-29 | 2006-09-29 | Transmission line short circuit fault position timely positioning and position wireless notice device |
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CN 200620022407 CN200956049Y (en) | 2006-09-29 | 2006-09-29 | Transmission line short circuit fault position timely positioning and position wireless notice device |
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Cited By (11)
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CN101498758B (en) * | 2008-02-03 | 2011-03-16 | 深圳长城开发科技股份有限公司 | Detection method and apparatus for short circuit of current loop |
CN101409752B (en) * | 2008-10-28 | 2011-04-20 | 张晓易 | System for remotely on-line monitoring short circuit and earth fault in real time |
CN101459334B (en) * | 2007-12-14 | 2011-05-11 | 山东科汇电力自动化有限公司 | Electrical power system failure information obtaining method |
CN101413982B (en) * | 2007-10-18 | 2011-07-20 | 深圳长城开发科技股份有限公司 | Method and apparatus for detecting short circuit of current loop |
CN102169622A (en) * | 2010-02-25 | 2011-08-31 | 安科曼株式会社 | Lightning stroke report system for power transmission tower |
CN102226829A (en) * | 2011-03-28 | 2011-10-26 | 西南交通大学 | Non-contact electromagnetic induction fault location device and fault location method for AT power supply traction network |
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CN105004967A (en) * | 2015-06-11 | 2015-10-28 | 国网山东省电力公司泰安供电公司 | Power grid fault detection method and system |
CN114913676A (en) * | 2022-05-29 | 2022-08-16 | 运城清海科技有限公司 | Induction type luminous transmission line warning ball night |
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CN101413982B (en) * | 2007-10-18 | 2011-07-20 | 深圳长城开发科技股份有限公司 | Method and apparatus for detecting short circuit of current loop |
CN101459334B (en) * | 2007-12-14 | 2011-05-11 | 山东科汇电力自动化有限公司 | Electrical power system failure information obtaining method |
CN101498758B (en) * | 2008-02-03 | 2011-03-16 | 深圳长城开发科技股份有限公司 | Detection method and apparatus for short circuit of current loop |
CN101409752B (en) * | 2008-10-28 | 2011-04-20 | 张晓易 | System for remotely on-line monitoring short circuit and earth fault in real time |
CN102169622A (en) * | 2010-02-25 | 2011-08-31 | 安科曼株式会社 | Lightning stroke report system for power transmission tower |
CN102226829A (en) * | 2011-03-28 | 2011-10-26 | 西南交通大学 | Non-contact electromagnetic induction fault location device and fault location method for AT power supply traction network |
CN104969082A (en) * | 2012-10-29 | 2015-10-07 | 雷比诺动力系统公司 | System and method for monitoring a meshed current return network of an aircraft |
CN104375048A (en) * | 2013-08-13 | 2015-02-25 | 现代摩比斯株式会社 | Apparatus and method for detecting short circuit of inverter system |
CN104375048B (en) * | 2013-08-13 | 2018-09-25 | 现代摩比斯株式会社 | The short-circuit detecting device and its method of inverter system |
CN104483590A (en) * | 2014-12-24 | 2015-04-01 | 天津七六四通信导航技术有限公司 | Satellite navigation antenna state judgment circuit and implementation method thereof |
CN104483590B (en) * | 2014-12-24 | 2017-06-13 | 天津七六四通信导航技术有限公司 | Satellite navigation aerial status determination circuit and its implementation |
CN105004967A (en) * | 2015-06-11 | 2015-10-28 | 国网山东省电力公司泰安供电公司 | Power grid fault detection method and system |
CN114913676A (en) * | 2022-05-29 | 2022-08-16 | 运城清海科技有限公司 | Induction type luminous transmission line warning ball night |
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Granted publication date: 20071003 Termination date: 20100929 |