CN207459816U - A kind of power supply for transmission line of electricity diagnosis terminal - Google Patents
A kind of power supply for transmission line of electricity diagnosis terminal Download PDFInfo
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- CN207459816U CN207459816U CN201721581805.5U CN201721581805U CN207459816U CN 207459816 U CN207459816 U CN 207459816U CN 201721581805 U CN201721581805 U CN 201721581805U CN 207459816 U CN207459816 U CN 207459816U
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- electricity
- transmission line
- power supply
- rechargeable battery
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Abstract
The utility model discloses a kind of power supply for transmission line of electricity diagnosis terminal, the power supply for transmission line of electricity diagnosis terminal includes：Solar energy takes electric unit, sensing to take electric unit and rechargeable battery, and the solar energy takes electric unit and the sensing that electric unit is taken to charge with parallel way to the rechargeable battery, and the rechargeable battery powers to the power unit of the transmission line of electricity diagnosis terminal.The power supply for transmission line of electricity diagnosis terminal of the utility model takes electricity to take electric two kinds of power supply modes with solar energy using sensing simultaneously, improves the reliability of diagnosis terminal electric power system, extends the non-maintaining time.In addition, during transmission line malfunction or transmission line of electricity power-off maintenance, entire transmission line of electricity dual power supply diagnosis terminal can also continue to work normally the long period.
Description
Technical field
The utility model is related to T ＆ D Technology field, more particularly to a kind of power supply for transmission line of electricity diagnosis terminal
Power supply.
Background technology
Since transmission line of electricity distributed areas are wide, especially there is part circuit to be distributed in the remote areas such as mountain area, inspection is difficult.
For this reason, it may be necessary to replace using modem technology or at least partly replace manual inspection, to reduce the labor intensity of inspection, carry
The efficiency of high fault diagnosis.The online way to take power of power supply generally use of current transmission line of electricity diagnosis terminal.But
Transmission line of electricity breaks down, and when especially transmission line of electricity interrupts stopping transmission of electricity, power supply cannot take electricity, so as to stop to corresponding
Diagnosis terminal power supply on circuit, and then cause that fault diagnosis cannot be carried out.
Utility model content
The purpose of this utility model is to provide a kind of power supply for transmission line of electricity diagnosis terminal, to improve power supply
Reliability.
To achieve the above object, the utility model provides a kind of power supply for transmission line of electricity diagnosis terminal, described
Power supply for transmission line of electricity diagnosis terminal includes：Solar energy takes electric unit, sensing to take electric unit and rechargeable battery, described
Solar energy takes electric unit and the sensing that electric unit is taken to charge with parallel way to the rechargeable battery, and the rechargeable battery is to institute
The power unit power supply of transmission line of electricity diagnosis terminal is stated, wherein, the sensing takes electric unit to include the transducing around transmission line of electricity
Device, the sensing electricity taking coil on the energy converter, it is described sensing electricity taking coil output terminal by rectifier with it is described
Rechargeable battery connects, and the power supply further comprises first comparator and the first control switch, the first control switch
It is arranged in parallel or is arranged in series with the sensing electricity taking coil, the output electricity of the first comparator rechargeable battery
Pressure and first voltage threshold value, when the output voltage of the rechargeable battery reaches the first voltage threshold value so that described first
Switch motion is controlled, interrupts power supply of the sensing electricity taking coil to the rechargeable battery.
Preferably, described first control switch for normal open switch and be arranged in parallel with the sensing electricity taking coil, described
When the output voltage of rechargeable battery reaches the first voltage threshold value, the first comparator causes the first control switch to close
It closes, interrupts power supply of the sensing electricity taking coil to the rechargeable battery.
Preferably, described first control switch for normally closed switch and be arranged in series with the sensing electricity taking coil, described
When the output voltage of rechargeable battery reaches the first voltage threshold value, the first comparator so that the first control switch is disconnected
It opens, interrupts power supply of the sensing electricity taking coil to the rechargeable battery.
Preferably, the first comparator is by described rechargeable battery powered.
Preferably, transmission line of electricity diagnosis terminal includes current waveform monitoring unit, data high-speed collection analysis unit and leads to
Believe unit, the current waveform monitoring unit includes Rogowski coil current sensor, and the Rogowski coil current sensor is surround
Transmission line of electricity is set, and detects the current signal in transmission line of electricity, and the current signal includes power frequency load current signal, power frequency event
Barrier current signal and travelling wave current signal, the data high-speed collection analysis unit are connected with the current waveform monitoring unit,
The various signals of Rogowski coil current sensor detection are acquired, analyzed and diagnosed；The communication unit and the data
High speed acquisition analytic unit connects, wirelessly will be in the analysis and diagnostic result of the data high-speed collection analysis unit
Pass, and under pass control command, the power supply is to the current waveform monitoring unit, data high-speed collection analysis unit and logical
Believe unit power supply, wherein, the first comparator is integrated in the data high-speed collection analysis unit, and the data high-speed
Collection analysis unit is FPGA.
Preferably, the data high-speed collection analysis unit is integrated with the second comparator, and second comparator is according to institute
The current signal in the transmission line of electricity that Rogowski coil current sensor detects is stated first control to be controlled to switch on-off.
Preferably, in solar energy electric unit, sensing is taken to take and be provided with diode between electric unit and rechargeable battery, prevents electricity
Stream takes electric unit and sensing that electric unit is taken to pour in down a chimney from rechargeable battery to solar energy.
Preferably, the sensing takes the charging voltage that electric unit exports higher than the charging that the solar energy takes electric unit to export
Voltage.
Preferably, the power supply includes inner housing and outer housing, and the inner housing is by two semicircular interior half-shells
Buckle is put together, and clamps the outer surface of transmission line of electricity, and the outer housing includes two semicircular outer half-shells, and described
Outer half-shell is fixedly attached to the interior half-shell in axial end portion, and it is arc that the solar energy, which takes the solar panel of electric unit,
And be laid on the outer surface of the outer half-shell, and the solar panel includes the part being directed downward.
Preferably, the interior half-shell is provided with the first attaching clamp radially extended at axial both ends；The outer half-shell
Radial shrinkage portion is provided at axial both ends, the radius in the radial shrinkage portion is arranged to be engaged with the interior half-shell, and
The second attaching clamp is provided at the radial shrinkage portion, first attaching clamp and second attaching clamp pass through spiral shell
Nail interconnects.
The power supply for transmission line of electricity diagnosis terminal of the utility model takes electricity to be taken with solar energy using sensing simultaneously
Electric two kinds of power supply modes, improve the reliability of diagnosis terminal electric power system, extend the non-maintaining time.In addition, in transmission line of electricity
During failure or transmission line of electricity power-off maintenance, when entire transmission line of electricity dual power supply diagnosis terminal can also continue to work normally longer
Between.
Description of the drawings
Fig. 1 is the schematic diagram according to the power supply for transmission line of electricity diagnosis terminal of one embodiment of the utility model.
Fig. 2 is another schematic diagram of the power supply for transmission line of electricity diagnosis terminal.
Fig. 3 is another schematic diagram of the power supply for transmission line of electricity diagnosis terminal.
Fig. 4 is the schematic diagram of transmission line of electricity diagnosis terminal according to the present utility model.
Specific embodiment
In the description of the utility model, term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " top ", " bottom " " interior ", " outer " or position relationship are based on orientation shown in the drawings or position
Relation is for only for ease of description the utility model and simplifies description rather than instruction or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that scope of protection of the utility model
Limitation.
Fig. 1 is the schematic diagram according to the power supply for transmission line of electricity diagnosis terminal of one embodiment of the utility model.
Fig. 2 is another schematic diagram of the power supply for transmission line of electricity diagnosis terminal.Fig. 3 is described for transmission line of electricity diagnosis
Another schematic diagram of the power supply of terminal.Fig. 1-power supply shown in Fig. 3 for transmission line of electricity diagnosis terminal includes：Too
Sun can take electric unit, sensing to take electric unit and rechargeable battery.The solar energy takes electric unit and the sensing to take electric unit with simultaneously
Connection mode charges to the rechargeable battery, and the rechargeable battery powers to the power unit of the transmission line of electricity diagnosis terminal.
The transmission line of electricity diagnosis terminal or the power supply are suitable for being directly installed on overhead transmission pressure, and
It is not required to be mounted on high tower.In other words.The transmission line of electricity diagnosis terminal or the power supply have for
The mounting portion that overhead transmission pressure is connected.The transmission line of electricity diagnosis terminal is installed by the mounting portion to overhead defeated
Electric lead, and take electricity from transmission pressure.The concrete shape and its mounting structure of mounting portion, can be arranged as required to.It for example, can
By using clamp, bonding, adhesive tape winding etc. it is any it is appropriate in a manner of install to transmission line of electricity, specifically, install to power transmission line
On the transmission pressure on road.It is pointed out that the transmission line of electricity dual power supply diagnosis terminal of the utility model can also be mounted on it is defeated
On ferroelectric tower.
The sensing takes electric unit to include the energy converter around transmission line of electricity, and the sensing on the energy converter takes electricity
Coil, the output terminal of the sensing electricity taking coil are connected by rectifier with the rechargeable battery, and the power supply is further
Including first comparator and the first control switch, the first control switch is arranged in parallel or goes here and there with the sensing electricity taking coil
Connection is set, the output voltage of the first comparator (comparator i.e. shown in Fig. 3) rechargeable battery and the first electricity
Threshold value (i.e. reference voltage in Fig. 3) is pressed, the first voltage threshold value is met or exceeded in the output voltage of the rechargeable battery
When so that power supply of the sensing electricity taking coil to the rechargeable battery is interrupted in the first control switch motion.
In the embodiment shown in fig. 3, described first control switch for normal open switch S and sense electricity taking coil simultaneously with described
Connection is set, and when the output voltage of the rechargeable battery reaches the first voltage threshold value, the first comparator causes described
First control switch (normal open switch S) is closed, and interrupts power supply of the sensing electricity taking coil to the rechargeable battery.It should in short circuit
During normal open switch S, the output voltage for sensing the secondary coil of electricity-fetching module is zero, so as to no longer to rechargeable battery powered.It is such
Technical solution is conducive to prevent the overtension at rechargeable battery both ends after rechargeable battery is fully charged and damages.
In the embodiment shown in Figure 2, described first control switch for normally closed switch K2 and with the sensing electricity taking coil
It is arranged in series, when the output voltage of the rechargeable battery reaches the first voltage threshold value, the first comparator causes institute
It states the first control switch (normally closed switch K2) to disconnect, interrupts power supply of the sensing electricity taking coil to the rechargeable battery.Such as Fig. 2
Shown, normally closed switch K2 is arranged on the circuit upstream of rectifier.
Preferably, the first comparator is by described rechargeable battery powered.So as to which first comparator has stable confession
Electricity.
Referring to Fig. 4, transmission line of electricity diagnosis terminal includes current waveform monitoring unit, data high-speed collection analysis unit and leads to
Believe unit.That is, current waveform monitoring unit, data high-speed collection analysis unit and communication unit are as rechargeable battery
Load.
Power supply can be encapsulated in the above three unit of transmission line of electricity diagnosis terminal in a housing, can also phase
It is individually encapsulated for three units.
The current waveform monitoring unit includes Rogowski coil current sensor, and the Rogowski coil current sensor is surround
Transmission line of electricity is set, and detects the current signal in transmission line of electricity, and the current signal includes power frequency load current signal, power frequency event
Barrier current signal and travelling wave current signal, the data high-speed collection analysis unit are connected with the current waveform monitoring unit,
The various signals of Rogowski coil current sensor detection are acquired, analyzed and diagnosed；The communication unit and the data
High speed acquisition analytic unit connects, wirelessly will be in the analysis and diagnostic result of the data high-speed collection analysis unit
Pass, and under pass control command, the power supply is to the current waveform monitoring unit, data high-speed collection analysis unit and logical
Believe unit power supply, wherein, the first comparator is integrated in the data high-speed collection analysis unit, and the data high-speed
Collection analysis unit is FPGA.
It is pointed out that the power frequency load current of transmission line of electricity, power frequency fault current and travelling wave current are all equally to lead
Electric current in line is load current under normal circumstances；In the system failure, fault current will pass through；It is risen in fault current
Pulse signal can be rendered as during the beginning, pulse signal is advanced along conducting wire, will appear as travelling wave current.The catadioptric of electric current can be utilized
The time difference penetrated, to determine abort situation.
Preferably, the data high-speed collection analysis unit is integrated with the second comparator (not shown), and described second compares
Current signal in the transmission line of electricity that device is detected according to the Rogowski coil current sensor is opened to control described first to control
Close the break-make of K1.More specifically, the power transmission line that second comparator will be detected with the Rogowski coil current sensor
The directly proportional voltage of current signal in road (being properly termed as measurement voltage) is with set voltage compared with, in the voltage more than setting
During voltage so that the first control switch disconnects.Advantageously, described first switch K1 is controlled as normally closed switch.
Preferably, in solar energy electric unit, sensing is taken to take and be provided with diode (i.e. Fig. 3 between electric unit and rechargeable battery
In D1 and D2), prevent electric current take electric unit and sensing that electric unit is taken to pour in down a chimney from rechargeable battery to solar energy.
Preferably, the sensing takes the charging voltage that electric unit exports higher than the charging that the solar energy takes electric unit to export
Voltage.In the case of transmission line of electricity normal transmission, preferentially to sense way to take power to rechargeable battery powered.This can also pass through
The control of control switch K1 and K2 is realized.
For example, when Research Work of Power Transmission Line is normal, K1 is disconnected, and when transmission line of electricity stops transmitting electricity, disconnect K2.So as to,
Electricity is preferentially taken with induction mode, improves the efficiency of charging.
For another example being zero or during less than given threshold sensing the output voltage of electricity-fetching module, the first control switch is connected
K1 when the output voltage for sensing electricity-fetching module is more than or equal to given threshold, disconnects the first control switch K1.In rechargeable battery
When output voltage is more than or equal to full charge pressure, the first control control switches of switch K1 and second K2 is simultaneously switched off.This is conducive to keep away
Exempt from the floating charge of rechargeable battery.
In the embodiment shown in fig. 3, comparator or comparison circuit is set to compare the output voltage of rechargeable battery and ginseng
Examine voltage (such as full charge pressure).If the output voltage of rechargeable battery be more than or equal to full charge pressure, short circuit normal open switch S, from
And the output voltage for sensing the secondary coil of electricity-fetching module is zero, is no longer charged to rechargeable battery.The comparator or comparison are electric
Road can be individual devices, can also be integrated in data high-speed collection analysis unit.The comparator can also control simultaneously
The disconnection of one control switch, electronic module is taken to rechargeable battery powered to stop solar energy.
Similarly, additional comparators or additional comparison circuit can be set compare sensing electricity-fetching module output voltage with
Voltage or the current signal and setting electric current of Rogowski coil current sensor detection are set, is thus controlled out
K1, K2 or S are closed, to select solar energy that electric unit or sensing is taken to take electric unit to rechargeable battery powered.
Preferably, the power supply includes inner housing and outer housing, and the inner housing is by two semicircular interior half-shells
Buckle is put together, and clamps the outer surface of transmission line of electricity, and the outer housing includes two semicircular outer half-shells, and described
Outer half-shell is fixedly attached to the interior half-shell in axial end portion, and it is arc that the solar energy, which takes the solar panel of electric unit,
And be laid on the outer surface of the outer half-shell, and the solar panel includes the part being directed downward.
Preferably, as shown in figure 3, the rectifier bridge in sensing electricity-fetching module sets a LC filter circuit afterwards, with optimization
To the charging voltage of rechargeable battery.Rectifier bridge is made of four diodes D11, D12, D13 and the D14 bridged.
In an embodiment (not shown), the transmission line of electricity diagnosis terminal or the power supply are included outside cylindric
Shell.The cylinder-like shell is put together by two semi-circular housing buckles, and the solar energy takes the solar-electricity of electronic unit
Pond plate is arc and is laid on the outer surface of the semi-circular housing.
More specifically, the transmission line of electricity diagnosis terminal or the power supply include inner housing and outer housing.In described
Housing is put together by two semicircular interior half-shell buckles, and clamps the outer surface of transmission line of electricity.The outer housing includes
Two semicircular outer half-shells.The outer half-shell is fixedly attached to the interior half-shell in axial end portion.
The outer housing includes radial shrinkage portion, and the radial shrinkage portion is socketed in outside inner housing, and is connected by screw thread
Half-shell is fixed together in half-shell and second in fitting and first, the transmission pressure of inside is thus clamped, so as to fulfill interior
The fixation of housing and outer housing on transmission pressure.In other words, the interior half-shell is provided at axial both ends radially extends
The first attaching clamp；The outer half-shell is provided with radial shrinkage portion at axial both ends, and the radius in the radial shrinkage portion is set
It is set to and is engaged with the interior half-shell, and the second attaching clamp is provided at the radial shrinkage portion, first fixation is convex
Ear and second attaching clamp are interconnected by screw.
Advantageously, at radially protruding part, rubber gasket is provided between the inner hull and the outer hull, it is right as a result,
The annulus limited between inner housing and outer housing is sealed.
The solar panel of the solar energy electricity-fetching module is arc and is laid on the outside table of the semi-circular housing
On face.So as to which solar panel can be supported well, will not be damaged due to bad weathers such as strong wind, sleet.
Preferably, the solar panel includes the part being directed downward.So as to, it is not easy to it is covered by ice and snow or dust
Lid can improve the efficiency for drawing electric energy.
The power supply for transmission line of electricity diagnosis terminal of the utility model takes electricity to be taken with solar energy using sensing simultaneously
Electric two kinds of power supply modes, improve the reliability of diagnosis terminal electric power system, extend the non-maintaining time.In addition, in transmission line of electricity
During failure or transmission line of electricity power-off maintenance, when entire transmission line of electricity dual power supply diagnosis terminal can also continue to work normally longer
Between.
In one embodiment, the transmission line of electricity dual power supply diagnosis terminal of the utility model is joined with following major techniques
Number.
Monitoring terminal is directly mounted on conducting wire, hundred kilometers of monitoring points quantity≤4；
Fault section reliability of positioning ＞ 95%；
300 meters of fault location error ＜ soil；
Lightning stroke and non-lightning fault identification accuracy rate ＞ 95%；
Lightning fault property identification accuracy rate ＞ 90%；
The non-maintaining time ＞ of equipment 5 years；
Real-time index：Fault-signal uplink time ＜ 60 seconds；Analysis on Fault Diagnosis time ＜ 20 minutes.
Inductively work to take power scope：30A-1000A；
Traveling wave sample frequency：2-10MHz；
Traveling wave samples duration：≥1000us；
Total weight：≤5kg；
Mean time between failures：≥26000h；
Deciding field reliability ＞ 99%
300 meters of position error ＜
Lightning stroke and non-lightning fault identification accuracy rate ＞ 95%
Shielding failure and counterattack fault identification accuracy rate ＞ 95%.
In the utility model, the Luo Kesifu coils of measurement high current are selected to measure power frequency fault current and traveling wave electricity
Stream, Luo Kesifu coils are that the magnetomotive force according to caused by being tested electric current determines the measuring device of size of current and direction.Sieve
Family name's coil is without saturation, and using nonferromagnetic materials such as plastics or ceramics, relative permeability is identical with air permeability for it, by with
Before electric system, Rogowski coil is once widely used in impulse current measurement, AC great current measurement, arc current measurement etc.
Aspect achieves good effect.
With electric power network technique Microcomputer, digitized demand for development, the electronic current mutual inductor based on Rogowski coil is opened
Begin be applied to electric system in it in occasions such as plug-in type intelligences combination electric appliance PASS, high voltage direct current, SF6 gas-insulated switch all
There is application, work well.Rogowski coil sensor is according to electromagnetic induction principle progress of disease AC signal, using follow-up analog circuit
A/D samplings are completed after processing on the spot, directly with the signal output of digital quantity.Compared with traditional CT, Rogowski coil has following aobvious
Work feature：
(1) magnetic saturation phenomenon is eliminated.When high current earth fault or air-drop transformer occur for electric system, CT is often resulted in
Saturation causes protection malfunction.Rogowski coil is without saturation, and transient characterisitics are good, and it is poor to improve tradition based on this feature
Dynamic protection algorism, reduces its Sill value and ratio brake coefficient, obtains better protection sensitivity.
(2) development of electric power digital has been adapted to.Rogowski coil sensor is directly exported with digital signal, through optical fiber
Transmission, not only increases jamproof ability, and is advantageously implemented data sharing, accelerates the system integration of secondary device, real
Now protect the digitlization with metering, networking and intelligence.
(3) frequency response range is wide.The progress of disease bandwidth of Rogowski coil is up to hundred megahertzs according to the study, the rise time of coil
It is short, it is almost non-delay.
(4) dynamic range of measurement is big.With the development of power grid, power system capacity is constantly increasing, short circuit current flow also phase
It should increase, it is desirable that mutual inductor has broader measurement range, and the current measuring range of Rogowski coil is up to several A~hundreds of thousands A.
(5) insulation characterisitic is good.Without direct electrical link between Rogowski coil and conductor, it is special that good insulation can be obtained
Property.As voltage class and the continuous of power system capacity rise, the insulation of traditional mutual inductor becomes more and more difficult, and not only equipment is got over
Come heavier, and also there are explosion dangers when insulants using oil.High pressure Rogowski coil sensing head is almost unchanged, and body
Product is small, has good economy.
(6) Rogowski coil also has security good, and the danger of no second open circuit saves copper, ferrous material, more economically
Environmental protection.
The utility model is used from integration type Rogowski coil, and using big inductance, small resistor integral way, so as to have
The lightning current signals for flowing through coil can be converted into the voltage signal output of equal proportion, conversion by the advantages that high frequency response characteristic is good
Ratio is 2000A/V.Current sensor uses retractable structure, and shell uses insulating materials, net weight about 1kg, installation side
Just.
It is last it is to be noted that：Above example is only to illustrate the technical solution of the utility model rather than it is limited
System.It will be understood by those of ordinary skill in the art that：Can modify to the technical solution recorded in foregoing embodiments or
Person carries out equivalent substitution to which part technical characteristic；These modifications are replaced, and take off the essence of appropriate technical solution
Spirit and scope from various embodiments of the utility model technical solution.
Claims (10)
1. a kind of power supply for transmission line of electricity diagnosis terminal, which is characterized in that including：Solar energy takes electric unit, sensing
Electric unit and rechargeable battery are taken, the solar energy takes electric unit and the sensing to take electric unit with parallel way to the electricity that charges
Pond is charged, and the rechargeable battery powers to the power unit of the transmission line of electricity diagnosis terminal, wherein, the sensing takes electric unit
Including the energy converter around transmission line of electricity, the sensing electricity taking coil on the energy converter, the sensing electricity taking coil
Output terminal is connected by rectifier with the rechargeable battery, and the power supply further comprises first comparator and the first control
Switch, the first control switch are arranged in parallel or are arranged in series with the sensing electricity taking coil, the first comparator ratio
The output voltage of the rechargeable battery and first voltage threshold value reach first electricity in the output voltage of the rechargeable battery
When pressing threshold value so that power supply of the sensing electricity taking coil to the rechargeable battery is interrupted in the first control switch motion.
2. the power supply of transmission line of electricity diagnosis terminal to be used for as described in claim 1, which is characterized in that first control
It switchs as normal open switch and is arranged in parallel with the sensing electricity taking coil, reach described the in the output voltage of the rechargeable battery
During one voltage threshold, the first comparator causes the first control switch to be closed, and interrupts the sensing electricity taking coil to institute
State the power supply of rechargeable battery.
3. the power supply of transmission line of electricity diagnosis terminal to be used for as described in claim 1, which is characterized in that first control
It switchs as normally closed switch and is arranged in series with the sensing electricity taking coil, reach described the in the output voltage of the rechargeable battery
During one voltage threshold, the first comparator causes the first control switch to disconnect, and interrupts the sensing electricity taking coil to institute
State the power supply of rechargeable battery.
4. the power supply of transmission line of electricity diagnosis terminal to be used for as claimed in claim 2 or claim 3, which is characterized in that described first
Comparator is by described rechargeable battery powered.
5. the power supply of transmission line of electricity diagnosis terminal to be used for as claimed in claim 4, which is characterized in that transmission line of electricity diagnoses
Terminal includes current waveform monitoring unit, data high-speed collection analysis unit and communication unit, the current waveform monitoring unit
Including Rogowski coil current sensor, the Rogowski coil current sensor is set around transmission line of electricity, is detected in transmission line of electricity
Current signal, the current signal include power frequency load current signal, power frequency fault-current signal and travelling wave current signal, institute
It states data high-speed collection analysis unit to be connected with the current waveform monitoring unit, to each of Rogowski coil current sensor detection
Kind signal is acquired, analyzes and diagnoses；The communication unit is connected with the data high-speed collection analysis unit, with wireless parties
Formula uploads the analysis of the data high-speed collection analysis unit and diagnostic result, and under pass control command, the power supply
It powers to the current waveform monitoring unit, data high-speed collection analysis unit and communication unit, wherein, the first comparator
It is integrated in the data high-speed collection analysis unit, and the data high-speed collection analysis unit is FPGA.
6. the power supply of transmission line of electricity diagnosis terminal to be used for as claimed in claim 5, which is characterized in that the data high-speed
The second comparator is integrated in collection analysis unit, second comparator is detected according to the Rogowski coil current sensor
Transmission line of electricity in current signal come control it is described first control switch on-off.
7. the power supply for transmission line of electricity diagnosis terminal as any one of claim 1-3, which is characterized in that
Solar energy takes electric unit, sensing to take and be provided with diode between electric unit and rechargeable battery, prevents electric current from rechargeable battery to too
Sun can take electric unit and sensing that electric unit is taken to pour in down a chimney.
8. the power supply for transmission line of electricity diagnosis terminal as any one of claim 1-3, which is characterized in that institute
It states sensing and takes the charging voltage that electric unit exports higher than the charging voltage that the solar energy takes electric unit to export.
9. the power supply for transmission line of electricity diagnosis terminal as any one of claim 1-3, which is characterized in that institute
Stating power supply includes inner housing and outer housing, and the inner housing is put together by two semicircular interior half-shell buckles, and is pressed from both sides
The outer surface of tight transmission line of electricity, the outer housing includes two semicircular outer half-shells, and the outer half-shell is in axial end portion
Place is fixedly attached to the interior half-shell, and the solar energy takes the solar panel of electric unit as arc and is laid on half outside described
On the outer surface of shell, and the solar panel includes the part being directed downward.
10. the power supply of transmission line of electricity diagnosis terminal to be used for as claimed in claim 9, which is characterized in that the interior half-shell
The first attaching clamp radially extended is provided at axial both ends；The outer half-shell is provided with radial shrinkage at axial both ends
Portion, the radius in the radial shrinkage portion are arranged to be engaged with the interior half-shell, and is provided at the radial shrinkage portion
Two attaching clamps, first attaching clamp and second attaching clamp are interconnected by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721581805.5U CN207459816U (en) | 2017-11-23 | 2017-11-23 | A kind of power supply for transmission line of electricity diagnosis terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721581805.5U CN207459816U (en) | 2017-11-23 | 2017-11-23 | A kind of power supply for transmission line of electricity diagnosis terminal |
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| Publication Number | Publication Date |
|---|---|
| CN207459816U true CN207459816U (en) | 2018-06-05 |
Family
ID=62278210
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721581805.5U Expired - Fee Related CN207459816U (en) | 2017-11-23 | 2017-11-23 | A kind of power supply for transmission line of electricity diagnosis terminal |
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| Country | Link |
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| CN (1) | CN207459816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282906A (en) * | 2018-09-28 | 2019-01-29 | 国网山东省电力公司潍坊供电公司 | A kind of generated at connector of high-voltage line overheat automatic prompting device |
-
2017
- 2017-11-23 CN CN201721581805.5U patent/CN207459816U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282906A (en) * | 2018-09-28 | 2019-01-29 | 国网山东省电力公司潍坊供电公司 | A kind of generated at connector of high-voltage line overheat automatic prompting device |
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