CN107820571B - Electric automobile insulation estimation of stability device - Google Patents
Electric automobile insulation estimation of stability device Download PDFInfo
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- CN107820571B CN107820571B CN201780001617.7A CN201780001617A CN107820571B CN 107820571 B CN107820571 B CN 107820571B CN 201780001617 A CN201780001617 A CN 201780001617A CN 107820571 B CN107820571 B CN 107820571B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
-
- 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
- G01R31/40—Testing power supplies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
-
- 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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The present invention relates to electric automobile insulation estimation of stability devices, in more detail, its insulation stability in order to evaluate the electric car as test object, according to the state of electric car, by DC test power supply to electric car, by DC test power analysis come the state of Real-Time Evaluation electric car, and in the supply respect of DC test power supply it can be considered that the state of the electric car as test object, so as to substantially reduce a possibility that problem occurs for test object in continuous mode.
Description
Technical field
The present invention relates to electric automobile insulation estimation of stability devices, in more detail, in order to evaluate as test pair
The insulation stability of the electric car of elephant passes through DC test power supply to electric car according to the state of electric car
DC test power analysis carrys out the state of Real-Time Evaluation electric car.
Background technique
As shown in Figure 1, the general composition of existing test device be since the input of DC power supply, by capacitor,
After the DC/DC converters such as Zener diode make DC voltage stability, by switch by voltage transformation at exchange
After power supply, alternating voltage is converted by the circuit of transformer or oscillator etc., direct current is transformed by rectification circuit later
Power supply, so that output is test power supply.
Also, the power supply unit of existing test device is when the deviation of multi output control device is larger, generally according to defeated
The size of voltage respectively constitutes high voltage, low-voltage and high current transformation component out.
Therefore, existing test device can not implement state of the detection as the electric car of test object, can exceed that survey
The condition that can bear of examination object, may electric car due to test as test object break down.
Summary of the invention
(technical problems to be solved)
The technical problem to be solved in the present invention is that overcome described problem point, electronic vapour of the real time measure as test object
The state of vehicle and in the supply respect of DC test power supply it can be considered that the state of the electric car as test object.
(means solved the problems, such as)
The present invention relates to electric automobile insulation estimation of stability device, the electric automobile insulation estimation of stability device packet
Include: input unit 100 is entered DC power supply to supply DC test power supply to test object electric car, is entered straight
The voltage and current value of current test power supply;DC voltage stability portion 200, for steady dc voltage supply, so that described
The DC voltage stability for the DC power supply that input unit 100 is entered;Transformation component 300, based on what is generated by output section 400
The voltage and current of the voltage and current value of DC test power supply and the DC test power supply inputted by the input unit 100
Value, will be transformed into the direct current that will be exported by output section by the stabilized DC power supply in the DC voltage stability portion 200
Test the voltage and current of power supply;And output section 400, the DC test power supply converted by the transformation component 300 is exported, point
The DC test power supply exported and the insulation resistance and electric continuity that measure test object electric car are analysed, based on described
Insulation resistance and the electric continuity and generate the voltage and current value of DC test power supply and feed back to the transformation component 300.
Also, the input unit 100 includes: DC supply input portion 110, in order to straight to the supply of test object electric car
Current test power supply, is entered DC power supply;And test voltage/electric current input unit 120, it is entered the voltage of DC test power supply
And current value.
Also, the transformation component 300 includes: DC/AC transformation component 310, will pass through the DC voltage stability portion
200 stabilized DC power supplies are transformed into AC power source;Exchange/exchange transformation component 320, for being become by the DC/AC
The AC power source for changing the transformation of portion 310, according to the order of transformation control unit 340, voltage of transformation or electric current;Ac/dc becomes
Portion 330 is changed, the AC power source converted by the exchange/exchange transformation component 320 is changing into DC power supply;Convert control unit
340, the exchange/exchange transformation component 320 is controlled, so that it is according to test voltage/calculating of current transformation portion 350 DC test
The voltage and current of power supply converts the power supply or electric current of the AC power source;And test voltage/current transformation portion 350, base
It is inputted in the voltage and current value of the DC test power supply fed back by the output section 400 and by the input unit 100 straight
The voltage and current value of current test power supply determines the voltage and electricity of the DC test power supply that will be exported by the output section 400
The value of stream, from the output section 400 receive measurement interrupt signal when, by the transformation control unit 340 control it is described exchange/
The voltage and current for the AC power source that the exchange/exchange transformation component 320 exports is changed to 0 by exchange conversion portion 320.
Also, the output section 400 includes: DC power supply output section 410, and output is converted by the transformation component 300
DC test power supply;And output feedback section 420, the DC test electricity exported by the DC power supply output section 410
Source measures the insulation resistance and electric continuity of test object electric car, based on the insulation resistance and the electric continuity, leads to
It crosses the voltage and current for the DC test power supply that the DC power supply output section 410 exports and determines DC test power supply
After voltage and current, the voltage and current of determining DC test power supply is transmitted to test voltage/current transformation portion 350,
When the insulation resistance and the electric continuity are included in specific band domain, transmitted to test voltage/current transformation portion 350 in being used for
The signal of disconnected measurement.
Also, the output feedback section 420 includes: insulation resistance calculating portion 421, passes through the DC power supply output section
The DC test power supplys of 410 outputs and measure the insulation resistance of test object electric car;Electric continuity calculation part 422,
The electrically continuous of test object electric car is measured by the DC test power supply that the DC power supply output section 410 exports
Property;Judging part 423, when whether the insulation resistance and the electric continuity are included in specific band domain;And test voltage/electric current
Generating unit 424 is judged as that the insulation resistance and the electric continuity are not included in specific band domain by the judging part 423
When, based on by the insulation resistance and the electric continuity, pass through the direct current that the DC power supply output section 410 exports
Test the voltage and current of power supply and after determining the voltage and current of DC test power supply, by determining DC test power supply
Voltage and current feedback to test voltage/current transformation portion 350, by the judging part 423 be judged as the insulation resistance and
When the electric continuity is included in specific band domain, to test voltage/measurement transmission of current transformation portion 350 for interrupting the letter of measurement
Number.
(The effect of invention)
Effect of the invention is that by the real time measure as the state of the electric car of test object and in DC test
The supply respect of power supply it can be considered that the electric car as test object state, so as to substantially reduce in continuous mode
A possibility that problem, occurs for test object.
Detailed description of the invention
Fig. 1 is the block diagram for showing existing electric automobile insulation estimation of stability device.
Fig. 2 is the block diagram for showing the electric automobile insulation estimation of stability device of one embodiment of the present of invention.
Fig. 3 is the input unit 100 for showing the electric automobile insulation estimation of stability device of one embodiment of the present of invention
The block diagram of specific composition.
Fig. 4 is the transformation component 300 for showing the electric automobile insulation estimation of stability device of one embodiment of the present of invention
The block diagram of specific composition.
Fig. 5 is the output section 400 for showing the electric automobile insulation estimation of stability device of one embodiment of the present of invention
The block diagram of specific composition.
Fig. 6 is the output feedback section for showing the electric automobile insulation estimation of stability device of one embodiment of the present of invention
The block diagram of 420 specific composition.
Symbol description
100: input unit
110: DC supply input portion
120: test voltage/electric current input unit
200: DC voltage stability portion
300: transformation component
310: DC/AC transformation component
320: exchange/exchange transformation component
330: ac/dc transformation component
340: transformation control unit
350: test voltage/current transformation portion
400: output section
410: DC power supply output section
420: output feedback section
421: insulation resistance calculating portion
422: electric continuity calculation part
423: judging part
424: test voltage/electric current generating unit
Specific embodiment
Before illustrating particular content for carrying out the present invention, term used in present specification and claims or
Word should illustrate of the invention and be capable of the concept appropriate for defining term as principle using inventor using the best approach, be interpreted to accord with
Close the meaning and concept of technical idea of the invention.
Also, it is judged as that illustrating for known function and its composition according to the present invention is possible to unnecessarily obscure
When purport of the invention, this is omitted and illustrates.
It is filled referring to Fig. 2 to Fig. 6 electric automobile insulation estimation of stability that the preferred embodiments of the present invention are described in detail
It sets.
Fig. 2 is the block diagram for showing the electric automobile insulation estimation of stability device of one embodiment of the present of invention.
As shown in Fig. 2, the electric automobile insulation estimation of stability device of the preferred embodiment of the present invention includes: input unit
100, it is entered DC power supply in order to supply DC test power supply to test object electric car, is entered DC test power supply
Voltage and current value;DC voltage stability portion 200, for steady dc voltage supply, so that 100 quilt of the input unit
The DC voltage stability of the DC power supply of input;Transformation component 300, based on the DC test electricity generated by output section 400
The voltage and current value of the voltage and current value in source and the DC test power supply inputted by the input unit 100, will pass through institute
State the electricity that the stabilized DC power supply in DC voltage stability portion 200 is transformed into the DC test power supply that will be exported by output section
Pressure and electric current;And output section 400, the DC test power supply converted by the transformation component 300 is exported, the institute exported is analyzed
It states DC test power supply and measures the insulation resistance and electric continuity of test object electric car, be based on the insulation resistance and institute
It states electric continuity and generates the voltage and current value of DC test power supply and feed back to the transformation component 300.
In addition, the preferred embodiment of the DC power supply being entered is battery supply.
In addition, the DC voltage stability portion 200 uses the preferred embodiment of DC voltage stability using together
Receive the DC/DC conversion machine of diode etc..
In addition, generally respectively constituting high electricity according to the size of output voltage when the deviation of multi output control device is big
Pressure, low-voltage and high current transformation component, but the transformation component 300 need to (insulation resistance be surveyed according to test object object and test approaches
The measurement of fixed and electric continuity) and test voltage and test electric current linkage are converted, so being configured to the big electricity of high voltage-low-voltage-
Stream conversion module can mutually link and can be controlled.
Fig. 3 is the input unit 100 for showing the electric automobile insulation estimation of stability device of one embodiment of the present of invention
The block diagram of specific composition.
At this point, as shown in figure 3, the input unit 100 includes: DC supply input portion 110, in order to electronic to test object
Automobile supplies DC test power supply, is entered DC power supply;And test voltage/electric current input unit 120, it is entered DC test
The voltage and current value of power supply.
Fig. 4 is the transformation component 300 for showing the electric automobile insulation estimation of stability device of one embodiment of the present of invention
The block diagram of specific composition.
Also, as shown in figure 4, the transformation component 300 includes: DC/AC transformation component 310, the direct current will be passed through
The pressure stabilized DC power supply in stabilisation portion 200 is transformed into AC power source;Exchange/exchange transformation component 320, for by described straight
The AC power source that stream/exchange conversion portion 310 converts, according to the order of transformation control unit 340, voltage of transformation or electric current;It hands over
The AC power source converted by the exchange/exchange transformation component 320 is changing into DC power supply by stream/DC converting portion 330;Become
Control unit 340 is changed, the exchange/exchange transformation component 320 is controlled, so that it was calculated according to test voltage/current transformation portion 350
The voltage and current of DC test power supply converts the power supply or electric current of the AC power source;And test voltage/current transformation
Portion 350, voltage and current value based on the DC test power supply fed back by the output section 400 and passes through the input unit 100
The voltage and current value of the DC test power supply of input determines the DC test power supply that will be exported by the output section 400
The value of voltage and current is controlled when receiving measurement interrupt signal from the output section 400 by the transformation control unit 340
The exchange/exchange transformation component 320, the voltage and current change for the AC power source that the exchange/exchange transformation component 320 is exported
It is 0.
In addition, the preferred embodiment that DC power supply is transformed into AC power source is to pass through by the DC/AC transformation component 310
Switch change-over.
In addition, the preferred embodiment for the voltage or electric current for converting AC power source by the exchange/exchange transformation component 320 is
It is converted by the circuit of transformer or oscillator etc..
In addition, the preferred embodiment that AC power source is transformed into DC power supply is to pass through by the ac/dc transformation component 330
Rectification circuit transformation.
In addition, the test voltage/current transformation portion 350 determines the DC test that will be exported by the output section 400
The preferred embodiment of the value of the voltage and current of power supply is as follows: by the DC test power supply inputted by the input unit 100
Voltage and current value is divided into 5 to 10 steps, when there is no the voltages and electricity of the DC test power supply fed back from the output section 400
When flow valuve, it is determined as to correspond to the voltage and current value of 1 step in the step and export DC test power supply, when by described
The voltage and current value for the DC test power supply that input unit 100 inputs is less than the DC test electricity fed back from the output section 400
When the voltage and current value in source, it is determined as to correspond to the voltage and current value of next step and export DC test power supply, when logical
The voltage and current value for crossing the DC test power supply that the input unit 100 inputs is greater than the direct current fed back from the output section 400
When testing the voltage and current value of power supply, it is determined as to be less than the voltage of the DC test power supply fed back from the output section 400
And current value and correspond to next step voltage and current value export DC test power supply, when be not present next step when, really
It is set to correspond to the voltage and current value of previous step and export DC test power supply.
In addition, the reasons why voltage and current for the AC power source that the exchange/exchange transformation component 320 exports is changed to 0
It is to be interrupted because the DC test power supply exported by the output section 400 becomes 0 measurement.
Fig. 5 is the output section 400 for showing the electric automobile insulation estimation of stability device of one embodiment of the present of invention
The block diagram of specific composition.
Also, at this point, output passes through described as shown in figure 5, the output section 400 includes: DC power supply output section 410
The DC test power supply that transformation component 300 converts;And output feedback section 420, it is exported by the DC power supply output section 410
The insulation resistance and electric continuity of the DC test power supply measurement test object electric car, are based on the insulation resistance and institute
State electric continuity, the voltage and current of the DC test power supply exported by the DC power supply output section 410 determines
After the voltage and current of DC test power supply, by the voltage and current of determining DC test power supply be transmitted to test voltage/
When current transformation portion 350, the insulation resistance and the electric continuity are included in specific band domain, to test voltage/current transformation
The transmission of portion 350 is for interrupting the signal of measurement.
Fig. 6 is the output feedback section for showing the electric automobile insulation estimation of stability device of one embodiment of the present of invention
The block diagram of 420 specific composition.
At this point, as illustrated in FIG. 6, the output feedback section 420 includes: insulation resistance calculating portion 421, passes through the direct current
The DC test power supply that power output part 410 exports and measure the insulation resistance of test object electric car;Electric continuity
Calculation part 422 measures test object electric car by the DC test power supply that the DC power supply output section 410 exports
Electric continuity;Judging part 423, when whether the insulation resistance and the electric continuity are included in specific band domain;And test
Voltage/current generating unit 424 is judged as that the insulation resistance and the electric continuity are not included in by the judging part 423
When specific band domain, based on what is exported by the insulation resistance and the electric continuity, by the DC power supply output section 410
The voltage and current of the DC test power supply and after determining the voltage and current of DC test power supply, determining direct current is surveyed
The voltage and current feedback of power supply is tried to test voltage/current transformation portion 350, is judged as described exhausted by the judging part 423
When edge resistance and the electric continuity are included in specific band domain, to test voltage/measurement transmission of current transformation portion 350 for interrupting
The signal of measurement.
In addition, the test voltage/electric current generating unit 424 is used to the signal for interrupting measurement being transmitted to test voltage/electricity
Flow the insulation resistance of transformation component 350 and as follows to the preferred embodiment of the specific band domain of the electric continuity: setting 3 to 5
Band domain again is judged, when band domain is set as 5 times, as the 100 Ω/Vdc or 500 for being no more than the benchmark of insulation resistance in test
Stop test at 5 times of Ω/Vac value, the case where electric continuity is, with 0.1 Ω benchmark below, when being greater than 5 times of values i.e. 0.02
Stop the band domain of test when Ω.
The preferred embodiment for showing technical thought of the invention is illustrated above and is shown with attached drawing, but the present invention is simultaneously
Be not limited to it is described above and with the composition and effect shown in attached drawing, skilled artisans appreciate that this hair is not being departed from
In the range of bright technical idea, numerous variations and modification can be implemented to the present invention.Therefore, all changes appropriate and modification
And its equivalent also belongs to the scope of the present invention.
Claims (4)
1. a kind of electric automobile insulation estimation of stability device of measurement based on electric continuity and insulation resistance, feature exist
In, comprising:
Input unit (100) is entered DC power supply to supply DC test power supply to test object electric car, is entered
The voltage and current value of DC test power supply;
DC voltage stability portion (200), for steady dc voltage supply, so that the input unit (100) was entered
The DC voltage stability of the DC power supply;
Transformation component (300) is based on the voltage and current value of the DC test power supply generated by output section (400) and by described defeated
Enter the voltage and current value of the DC test power supply of portion (100) input, will be stablized by the DC voltage stability portion (200)
The DC power supply of change is transformed into the voltage and current for the DC test power supply that will be exported by output section;And
Output section (400), exports the DC test power supply converted by the transformation component (300), and analysis is exported described straight
Current test power supply and the insulation resistance and electric continuity for measuring test object electric car are based on the insulation resistance and the electricity
Continuity and generate the voltage and current value of DC test power supply and feed back to the transformation component (300),
Wherein, the transformation component (300) includes:
DC/AC transformation component (310) will be converted by the stabilized DC power supply of the DC voltage stability portion (200)
At AC power source;
Exchange/exchange transformation component (320), for the AC power source converted by the DC/AC transformation component (310),
According to the order of transformation control unit (340), voltage of transformation or electric current;
The AC power source converted by the exchange/exchange transformation component (320) is changing into directly by ac/dc transformation component (330)
Galvanic electricity source;
It converts control unit (340), the exchange/exchange transformation component (320) is controlled, so that it is according to test voltage/current transformation
The voltage and current for the DC test power supply that portion (350) calculates converts the voltage or electric current of the AC power source;And
Test voltage/current transformation portion (350), voltage based on the DC test power supply fed back by the output section (400) and
The voltage and current value of current value and the DC test power supply inputted by the input unit (100), determination will be by described defeated
The value of the voltage and current of the DC test power supply of portion (400) output out receives measurement from the output section (400) and interrupts letter
Number when, the exchange/exchange transformation component (320) is controlled by the transformation control unit (340), the exchange/exchange is converted
The voltage and current of the AC power source of portion (320) output is changed to 0.
2. the electric automobile insulation estimation of stability of the measurement according to claim 1 based on electric continuity and insulation resistance
Device, which is characterized in that
The input unit (100) includes:
DC supply input portion (110) is entered direct current to supply DC test power supply to test object electric car
Source;And
Test voltage/electric current input unit (120), is entered the voltage and current value of DC test power supply.
3. the electric automobile insulation estimation of stability of the measurement according to claim 1 based on electric continuity and insulation resistance
Device, which is characterized in that
The output section (400) includes:
DC power supply output section (410) exports the DC test power supply converted by the transformation component (300);And
It exports feedback section (420), test is measured by the DC test power supply that the DC power supply output section (410) exports
The insulation resistance and electric continuity of object electric car based on the insulation resistance and the electric continuity, pass through the direct current
The voltage and current of the DC test power supply of power output part (410) output and determine the voltage and electricity of DC test power supply
After stream, the voltage and current of determining DC test power supply is transmitted to test voltage/current transformation portion (350), it is described exhausted
When edge resistance and the electric continuity are included in specific band domain, surveyed to test voltage/current transformation portion (350) transmission for interrupting
Fixed signal.
4. the electric automobile insulation estimation of stability of the measurement according to claim 3 based on electric continuity and insulation resistance
Device, which is characterized in that
The output feedback section (420) includes:
Insulation resistance calculating portion (421) is surveyed by the DC test power supply that the DC power supply output section (410) exports
Determine the insulation resistance of test object electric car;
Electric continuity calculation part (422) is measured by the DC test power supply that the DC power supply output section (410) exports
The electric continuity of test object electric car;
Judging part (423), when whether the insulation resistance and the electric continuity are included in specific band domain;And
Test voltage/electric current generating unit (424) is judged as the insulation resistance by the judging part (423) and described is electrically connected
When continuous property is not included in specific band domain, based on passing through the insulation resistance and the electric continuity, defeated by the DC power supply
Out portion (410) output the DC test power supply voltage and current and determine DC test power supply voltage and current it
Afterwards, the voltage and current of determining DC test power supply is fed back to test voltage/current transformation portion (350), is sentenced by described
When disconnected portion (423) are judged as that the insulation resistance and the electric continuity are included in specific band domain, to test voltage/current transformation
Portion (350) measurement transmission is for interrupting the signal of measurement.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2016-0093448 | 2016-07-22 | ||
KR1020160093448A KR101677553B1 (en) | 2016-07-22 | 2016-07-22 | Stability Evaluation Device for The Insulation of The Electric Vehicle using The Electrical Continuity and The Insulation Resistance Measurement |
PCT/KR2017/001571 WO2018016707A1 (en) | 2016-07-22 | 2017-02-14 | Device for evaluating insulation stability of electric vehicle |
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CN107820571A CN107820571A (en) | 2018-03-20 |
CN107820571B true CN107820571B (en) | 2019-08-20 |
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CN201780001617.7A Active CN107820571B (en) | 2016-07-22 | 2017-02-14 | Electric automobile insulation estimation of stability device |
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KR (1) | KR101677553B1 (en) |
CN (1) | CN107820571B (en) |
WO (1) | WO2018016707A1 (en) |
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KR101940190B1 (en) | 2017-06-28 | 2019-01-18 | 주식회사 바로텍시너지 | Multipurpose insulation resistance measurement apparatus for resistance test of electric equipment and cable |
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KR20100104139A (en) * | 2009-03-16 | 2010-09-29 | 주식회사 크라또 | On-line insulation resistance measurement system and apparatus |
KR101101270B1 (en) | 2010-12-07 | 2012-01-04 | 한국 전기안전공사 | System for measuring insulation resistance of green car and method therefor |
JP6267866B2 (en) * | 2013-02-05 | 2018-01-24 | 矢崎総業株式会社 | Insulation state detector |
KR20150025944A (en) | 2013-08-30 | 2015-03-11 | 씨티아이코리아 주식회사 | Device for measuring electrical continuity and method for measuring the same |
KR101574429B1 (en) * | 2014-07-24 | 2015-12-03 | 쌍용자동차 주식회사 | The detecting device of insulation resistance and the method for eco-friendly vehicles |
CN204389589U (en) * | 2014-12-18 | 2015-06-10 | 北京新能源汽车股份有限公司 | Detection device for insulation resistance of power battery |
CN205120831U (en) * | 2015-11-24 | 2016-03-30 | 安徽江淮汽车股份有限公司 | Whole car insulation resistance's detecting system |
CN205353211U (en) * | 2016-02-01 | 2016-06-29 | 凯迈(洛阳)电子有限公司 | Insulation resistance monitor control of high voltage DC system device |
CN105629073B (en) * | 2016-02-01 | 2018-09-25 | 凯迈(洛阳)电子有限公司 | A kind of direct-current high-voltage system insulation resistance monitor controller |
-
2016
- 2016-07-22 KR KR1020160093448A patent/KR101677553B1/en active IP Right Grant
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2017
- 2017-02-14 CN CN201780001617.7A patent/CN107820571B/en active Active
- 2017-02-14 WO PCT/KR2017/001571 patent/WO2018016707A1/en active Application Filing
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CN107820571A (en) | 2018-03-20 |
KR101677553B1 (en) | 2016-11-18 |
WO2018016707A1 (en) | 2018-01-25 |
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