CN110082624A - Instrument and examination delivery method are sent in a kind of examination of intelligent DC - Google Patents
Instrument and examination delivery method are sent in a kind of examination of intelligent DC Download PDFInfo
- Publication number
- CN110082624A CN110082624A CN201910426291.3A CN201910426291A CN110082624A CN 110082624 A CN110082624 A CN 110082624A CN 201910426291 A CN201910426291 A CN 201910426291A CN 110082624 A CN110082624 A CN 110082624A
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- circuit
- instrument
- examination
- battery
- voltage
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of examinations of intelligent DC to send instrument and examination delivery method, belong to direct current examination and send instrument field, including plastic box and battery, electronic-boosting module and detection control means are provided in plastic box, operation display panel and output line are provided on plastic box, battery is connect through electronic-boosting module with output line, and detection control means is connect with electronic-boosting module, the front end of plastic box is arranged in operation display panel, and connect with detection control means.The whole series instrument of the invention is light, can mitigate the weight of more than half；Secondly, can with automatic boosting, provide testing result automatically, there is perfect defencive function and prompt facility, reduce to the requirement of the technical level of practical operation personnel；The cumbersome apparatus such as Industrial Frequency Transformer and generator can be reduced using the examination delivery method simultaneously, the line maintenance in field can be improved the efficiency of maintenance, preferably restores route and is powered.
Description
Technical field
The present invention relates to direct current examinations to send instrument field, particularly, is related to a kind of examination of intelligent DC and send instrument and examination delivery method.
Background technique
After 10kV distribution line breaks down, send instrument to carry out segmentation examination to route using direct current examination and send investigation, it is existing straight
Stream examination send instrument to obtain required test DC voltage by way of rectification or voltage multiplying rectifier using transformer boosting, then,
Instrument overall weight is often in 15kg or more, even more than 20kg；It is existing since test site does not often have AC220V power supply
Direct current examination send instrument often to use generator powered, or becomes AC220V power supply by inverter circuit using high power battery and carry out
Power supply, can additionally increase a part of weight in this way, and it is more inconvenient to carry use in the field environment；It and is by adjusting
Depressor knob boosts, and determines whether failure by observation instruction meter, more complicated.
Summary of the invention
It is an object of that present invention to provide a kind of examinations of intelligent DC to send instrument and examination delivery method, solves existing direct current examination and send instrument too
Weight and technical problem complicated for operation.
To solve the above problems, the present invention adopts the following technical scheme:
Instrument, including plastic box and battery are sent in a kind of examination of intelligent DC, are provided with electronic-boosting module in the plastic box
And detection control means, operation display panel and output line are provided on the plastic box, and the battery is through electronic-boosting module
It is connect with output line, the detection control means is connect with electronic-boosting module, and the operation display panel is arranged in plastic box
Front end, and connect with detection control means.
Further, the electronic-boosting module includes high-frequency signal circuit, IGBT drive circuit, IGBT module, high frequency
Step-up transformer and rectification circuit, battery DC low-voltage become high frequency low voltage signal by high-frequency signal circuit, using
IGBT drive circuit, IGBT module and high-frequency step-up transformer become high-frequency and high-voltage, then become direct current examination by rectification circuit
High direct voltage signal required for sending instrument to test.
Further, the maximum output voltage of the electronic-boosting module is direct current 8-10kV, and electric current is up to 120mA.
Further, the detection control means includes high-voltage output circuit, single-chip microcontroller, measuring circuit, display and voice
The output of electronic-boosting module is arranged in circuit, key circuit, automatic discharge circuit and protection circuit, the high-voltage output circuit
End, and connect with output line, the measuring circuit and automatic discharge circuit are connect with high-voltage output circuit, the measurement electricity
Road, display and sound circuit, key circuit, automatic discharge circuit and protection circuit are connect with single-chip microcontroller.
Further, the operation display panel includes display screen, switch knob, opening button, boost button, exports and insert
Seat, battery input socket, power switch and earthing rod, the battery input socket is connect through jack wires with battery, described
Accessory power outlet is connect with high-voltage output circuit, and the output line is inserted on accessory power outlet.
Further, another chest outside plastic box is arranged in the battery, and the battery passes through conducting wire and battery
Input socket connection.
Further, the battery is the power supply of rechargeable battery or AC220V inversion of direct current.
The examination delivery method of instrument is sent in a kind of intelligent DC examination, and the examination delivery method includes the following steps:
Step 1: providing electric energy using battery, the output electric signal of battery is become by high-frequency signal circuit by low-voltage high-frequency
Signal becomes high-frequency and high-voltage using IGBT drive circuit and IGBT module and high-frequency step-up transformer, then passes through rectified current
Road becomes high direct voltage signal required for direct current examination send instrument to test；
Step 2: using the Current Voltage of detection circuit detection rectification circuit output, then passing through single-chip microcontroller and setting data
Comparison, then single-chip microcontroller control IGBT drive circuit and IGBT module carry out buck processing；
Step 3: it is connect by output line with external distribution wire using automatic discharge circuit, detection high-voltage signal is provided,
Simultaneously according to the detection feedback signal closed-loop control IGBT driving circuit and IGBT module of detection circuit.
Further, the maximum output voltage of rectification circuit is direct current 8-10kV in the step 1, and electric current is up to
120mA。
Further, instrument automatic boosting is sent in direct current examination, is not necessarily to manual operation, and it is whole to be automatically performed boosting, decompression, electric discharge
A operating process, and provide test result, discharge circuit have after off-test or accident power-off can be stored in instrument and
The function that the charge of route discharges.
By adopting the above technical scheme, the present invention has following remarkable result to the present invention:
The whole series instrument of the invention is light, can mitigate the weight of more than half；Secondly, can be with automatic boosting, automatically provide
Testing result has perfect defencive function and prompt facility, reduces the technical level requirement to practical operation personnel；Simultaneously
The cumbersome apparatus such as Industrial Frequency Transformer and generator can be reduced using the examination delivery method, the line maintenance in field can be improved
The efficiency of maintenance preferably restores route and is powered；And the process entirely boosted is detected and is fed back automatically by single-chip microcontroller
After controlled so that electric discharge and boosting when do not need artificial manual operation, the generation of accident can be greatly reduced.
Detailed description of the invention
Fig. 1 is system block diagram of the embodiment of the present invention.
Fig. 2 is electronic-boosting of embodiment of the present invention inside modules block diagram.
Fig. 3 is the appearance diagram that the embodiment of the present invention is free of battery.
Marked in the figure: 10- measuring circuit；11- battery；12- electronic-boosting module；13- high-voltage output circuit；14- key
Circuit；15- is shown and sound circuit；16- single-chip microcontroller；17- protects circuit；18- automatic discharge circuit；21- high-frequency signal circuit；
22-IGBT driving circuit；23-IGBT module；24- high-frequency step-up transformer；25- rectification circuit；30- plastic box；31- operation
Display panel；32- voice output hole；33- exports high-voltage line；311- display screen；312- switch knob；313- opening button；
314- boost button；315- accessory power outlet；316- battery input socket；317- power switch；318- earthing rod.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, referring to the drawings and preferred reality is enumerated
Example is applied, the present invention is described in more detail.However, it is necessary to illustrate, many details listed in specification are only to be
Reader is set to have a thorough explanation to one or more aspects of the present invention, it can also be with even without these specific details
Realize the aspects of the invention.
Instrument and examination delivery method are sent in a kind of examination of intelligent DC, as shown in Figure 1-3, circuit structure includes battery input 11, electricity
It is sub- boost module 12, High voltage output 13, single-chip microcontroller 10, measuring circuit 16, display and sound circuit 15, key circuit 14, automatic
Discharge circuit 18 and protection circuit 17.
Main circuit part is connected to electronic-boosting module 12 by battery input 11, generates high direct voltage by electronic-boosting module 12
Afterwards, High voltage output 13 is connect.By single-chip microcontroller 10 and peripheral measuring circuit 16, display and sound circuit 15, key circuit 14, automatically put
The circuit that circuit 18, protection circuit 17 form is detection control section.Detecting control section combines main circuit part finally complete
At the automatic boosting of instrument, testing result is provided automatically.
Attached drawing 2 show electronic-boosting inside modules block diagram of the embodiment of the present invention, including high-frequency signal circuit 21, IGBT drive
Dynamic circuit 22, IGBT module 23, high-frequency step-up transformer 24 and rectification circuit 25.Electronic-boosting module rises in entire instrument
Battery DC low-voltage is become high frequency low voltage signal by high-frequency signal circuit 21 first, then passed through by the effect of inversion boosting
Crossing IGBT drive circuit 22, IGBT module 23 and high-frequency step-up transformer 24 becomes high-frequency and high-voltage, then passes through rectification circuit 25
Become high direct voltage signal required for direct current examination send instrument to test, maximum output voltage is direct current 8-10kV, and electric current maximum can be with
Reach 120mA.
The various pieces of the embodiment attached drawing 1 are gathered into a cabinet, and appearance is whole as shown in embodiment attached drawing 3
Body is installed in engineering plastic hopper 30, including operation display panel 31, voice output hole 32 and output high-voltage line 33.Operation display
Panel 31 includes display screen 311, switch knob 312, opening button 313, boost button 314, accessory power outlet 315, battery input
Socket 316, power switch 317 and earthing rod 318.
Press switch knob 312 after, press boost button 314 after can direct automatic boosting, pass through sight instead of tradition
Survey the mode of display gauge head manual voltage boosting；The main function that switch knob 312 and opening button 313 is arranged is to meet live high pressure
Instrumentation specification and use habit, opening button 313 can stop High voltage output after pressing at any time, and switch knob 312 is set
Set is to remind Field Force to take care to there is High voltage output.
Main operational principle of the invention is, by the DC voltage of battery, by electronic voltage module according to inverter
High direct voltage signal is generated, then by SCM peripheral electronic feedback, electronic voltage mould is automatically controlled using digital signal
Block boosting.Due to not using Industrial Frequency Transformer boosting inverter, this reduces instruments weights, and field is suitble to carry and use,
It carries out automatic lifting pressure, automatic discharging because being controlled using single-chip microcontroller and provides measurement result automatically, operate also simple.
The described intelligent DC examination send instrument to have the function of automatic boosting, may not need manual operation, be automatically performed boosting,
Decompression, electric discharge whole operation process, and provide test result.The electronic-boosting module, include high-frequency signal circuit,
IGBT and driving circuit, high-frequency step-up transformer and rectification circuit.The detection control section includes single-chip microcontroller, measurement electricity
Road, discharge circuit, protection circuit, display and voice output circuit.The operation display panel comprising liquid crystal display, closes
Lock button, opening button, boost button, ground terminal, battery input socket, power switch, High voltage output socket.The electricity
Pond and electronic-boosting module, detection control section, operation display panel and output line, also may be mounted in a cabinet.
The battery case, the power supply that AC220V inversion of direct current also can be used replace.The color screen display circuit and language
The result point " this route is normal ", " this route has hidden danger " and " route is faulty " that sound broadcasts when circuit send route examination mentions
Show and broadcasts.The protection circuit includes being grounded bad No starting high voltage functionality and overcurrent and output short circuit protection function.
The discharge circuit has and can discharge the charge for being stored in instrument and route after off-test or accident power-off
Function.
The powered by direct current exported using high capacity cell, the main output circuit of instrument use device for high-power power electronic liter
Pressure, auxiliary circuit carry out automatically controlling boosting, detection, protection and feedback using single-chip microcontroller and peripheral circuit, to realize entire
The intelligence of test process.Not only whole instruments weight ratio mitigates with quasi-instrument, but also operates with simple.
High voltage output 13, single-chip microcontroller 10, measuring circuit 16, display and sound circuit 15, key circuit 14, automatic discharging electricity
Road 18 and protection circuit 17 are using the circuit of existing integrated model, and concrete principle figure needs to carry out net according to implementer
Network is searched.Protection circuit 17 is instrument ground detection circuit, when detecting electric leakage, by outputing signal to single-chip microcontroller, monolithic
Boost operations are forbidden in machine control, to have the function that protect equipment and personal safety.
The examination delivery method of instrument is sent in a kind of intelligent DC examination, and the examination delivery method includes the following steps:
Step 1: providing electric energy using battery, the output electric signal of battery is become by high-frequency signal circuit by low-voltage high-frequency
Signal becomes high-frequency and high-voltage using IGBT drive circuit and IGBT module and high-frequency step-up transformer, then passes through rectified current
Road becomes high direct voltage signal required for direct current examination send instrument to test.The maximum output voltage of rectification circuit is direct current 8-10kV,
Electric current is up to 120mA.
Step 2: using the Current Voltage of detection circuit detection rectification circuit output, then passing through single-chip microcontroller and setting data
Comparison, then single-chip microcontroller control IGBT drive circuit and IGBT module carry out buck processing.
Step 3: it is connect by output line with external distribution wire using automatic discharge circuit, detection high-voltage signal is provided,
Simultaneously according to the detection feedback signal closed-loop control IGBT driving circuit and IGBT module of detection circuit.
Instrument automatic boosting is sent in the direct current examination, is not necessarily to manual operation, is automatically performed boosting, decompression, electric discharge whole operation mistake
Journey, and test result is provided, discharge circuit can be to the electricity for being stored in instrument and route after having off-test or accident power-off
The function that lotus is discharged.
The powered by direct current exported using high capacity cell, the main output circuit of instrument use device for high-power power electronic liter
Pressure does not use Industrial Frequency Transformer boosting inverter, and this reduces instruments weights, and field is suitble to carry and use；Also, intelligence
The examination of type direct current send instrument to carry out automatically controlling boosting, detection, protection and feedback using single-chip microcontroller and peripheral circuit, realizes entire test
The intelligence of process, to make operation test process not only meet live needs, but also using simple.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. instrument, including plastic box and battery are sent in a kind of intelligent DC examination, which is characterized in that be provided with electronics in the plastic box
Boost module and detection control means are provided with operation display panel and output line on the plastic box, and the battery is through electronics
Boost module is connect with output line, and the detection control means is connect with electronic-boosting module, the operation display panel setting
It is connect in the front end of plastic box, and with detection control means.
2. instrument is sent in a kind of intelligent DC examination according to claim 1, which is characterized in that the electronic-boosting module includes
High-frequency signal circuit, IGBT drive circuit, IGBT module, high-frequency step-up transformer and rectification circuit, battery DC low-voltage warp
Crossing high-frequency signal circuit becomes high frequency low voltage signal, becomes using IGBT drive circuit, IGBT module and high-frequency step-up transformer
For high-frequency and high-voltage, high direct voltage signal required for direct current examination send instrument to test then is become by rectification circuit.
3. instrument is sent in a kind of intelligent DC examination according to claim 2, which is characterized in that the electronic-boosting module is most
Big output voltage is direct current 8-10kV, and electric current is up to 120mA.
4. instrument is sent in a kind of intelligent DC examination according to claim 1, which is characterized in that the detection control means includes
High-voltage output circuit, single-chip microcontroller, measuring circuit, display and sound circuit, key circuit, automatic discharge circuit and protection circuit,
The output end of electronic-boosting module is arranged in the high-voltage output circuit, and connect with output line, the measuring circuit and automatic
Discharge circuit is connect with high-voltage output circuit, the measuring circuit, display and sound circuit, key circuit, automatic discharging electricity
Road and protection circuit are connect with single-chip microcontroller.
5. instrument is sent in a kind of intelligent DC examination according to claim 4, which is characterized in that the operation display panel includes
Display screen, switch knob, opening button, boost button, accessory power outlet, battery input socket, power switch and earthing rod, institute
It states battery input socket and is connect through jack wires with battery, the accessory power outlet is connect with high-voltage output circuit, the output line
It is inserted on accessory power outlet.
6. instrument is sent in a kind of intelligent DC examination according to claim 5, which is characterized in that the battery is arranged in plastic box
Another outer chest, the battery are connect by conducting wire with battery input socket.
7. instrument is sent in a kind of intelligent DC examination according to claim 1, which is characterized in that the battery is rechargeable battery
Or the power supply of AC220V inversion of direct current.
8. the examination delivery method that instrument is sent in a kind of intelligent DC examination according to claim 1, which is characterized in that the examination side of sending
Method includes the following steps:
Step 1: providing electric energy using battery, the output electric signal of battery is become by high-frequency signal circuit by low-voltage high-frequency letter
Number, become high-frequency and high-voltage using IGBT drive circuit and IGBT module and high-frequency step-up transformer, then passes through rectification circuit
Become high direct voltage signal required for direct current examination send instrument to test；
Step 2: using the Current Voltage of detection circuit detection rectification circuit output, then passing through single-chip microcontroller and setting data pair
Than then single-chip microcontroller control IGBT drive circuit and IGBT module carry out buck processing；
Step 3: being connect by output line with external distribution wire using automatic discharge circuit, provide detection high-voltage signal, simultaneously
According to the detection feedback signal closed-loop control IGBT drive circuit and IGBT module of detection circuit.
9. the examination delivery method that instrument is sent in a kind of intelligent DC examination according to claim 8, which is characterized in that the step 1
The maximum output voltage of middle rectification circuit is direct current 8-10kV, and electric current is up to 120mA.
10. the examination delivery method that instrument is sent in a kind of intelligent DC examination according to claim 8, which is characterized in that the direct current
Instrument automatic boosting is sent in examination, is not necessarily to manual operation, is automatically performed boosting, decompression, electric discharge whole operation process, and provide test knot
Fruit, discharge circuit have the function that can be discharged the charge for being stored in instrument and route after off-test or accident power-off
Energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426291.3A CN110082624A (en) | 2019-05-22 | 2019-05-22 | Instrument and examination delivery method are sent in a kind of examination of intelligent DC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426291.3A CN110082624A (en) | 2019-05-22 | 2019-05-22 | Instrument and examination delivery method are sent in a kind of examination of intelligent DC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110082624A true CN110082624A (en) | 2019-08-02 |
Family
ID=67421237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910426291.3A Pending CN110082624A (en) | 2019-05-22 | 2019-05-22 | Instrument and examination delivery method are sent in a kind of examination of intelligent DC |
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| CN (1) | CN110082624A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581652A (en) * | 2019-08-22 | 2019-12-17 | 中铁一局集团电务工程有限公司 | Three-phase voltage booster |
| CN111579920A (en) * | 2020-04-17 | 2020-08-25 | 深圳供电局有限公司 | Fault detection device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103368420A (en) * | 2012-04-10 | 2013-10-23 | 中国科学院电子学研究所 | Test power source for large-power microwave device |
| CN208506145U (en) * | 2017-12-02 | 2019-02-15 | 深圳供电局有限公司 | A kind of high resistive fault detector |
| CN208707307U (en) * | 2018-04-25 | 2019-04-05 | 广西电友科技发展有限公司 | Testing source circuit |
| CN210166453U (en) * | 2019-05-22 | 2020-03-20 | 广西电友科技发展有限公司 | Intelligent direct current examination send appearance |
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2019
- 2019-05-22 CN CN201910426291.3A patent/CN110082624A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368420A (en) * | 2012-04-10 | 2013-10-23 | 中国科学院电子学研究所 | Test power source for large-power microwave device |
| CN208506145U (en) * | 2017-12-02 | 2019-02-15 | 深圳供电局有限公司 | A kind of high resistive fault detector |
| CN208707307U (en) * | 2018-04-25 | 2019-04-05 | 广西电友科技发展有限公司 | Testing source circuit |
| CN210166453U (en) * | 2019-05-22 | 2020-03-20 | 广西电友科技发展有限公司 | Intelligent direct current examination send appearance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581652A (en) * | 2019-08-22 | 2019-12-17 | 中铁一局集团电务工程有限公司 | Three-phase voltage booster |
| CN111579920A (en) * | 2020-04-17 | 2020-08-25 | 深圳供电局有限公司 | Fault detection device and method |
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