CN107820571A - Electric automobile insulation estimation of stability device - Google Patents
Electric automobile insulation estimation of stability device Download PDFInfo
- Publication number
- CN107820571A CN107820571A CN201780001617.7A CN201780001617A CN107820571A CN 107820571 A CN107820571 A CN 107820571A CN 201780001617 A CN201780001617 A CN 201780001617A CN 107820571 A CN107820571 A CN 107820571A
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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)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (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 device, in more detail, it is in order to evaluate the insulation stability of the electric automobile as test object, according to the state of electric automobile, DC test power supply is supplied to electric automobile, by DC test power analysis come the state of Real-Time Evaluation electric automobile, and DC test power supply supply respect it can be considered that the state of the electric automobile as test object, so as to substantially reduce the possibility that problem occurs for test object in continuous mode.
Description
Technical field
The present invention relates to electric automobile insulation estimation of stability device, in more detail, it is in order to evaluate as test pair
The insulation stability of the electric automobile of elephant, according to the state of electric automobile, DC test power supply is supplied to electric automobile, passed through
DC test power analysis carrys out the state of Real-Time Evaluation electric automobile.
Background technology
As shown in figure 1, existing test device in general form be since the input of dc source, by capacitor,
After the DC/DC converters such as Zener diode cause DC voltage stability, by switch by voltage transformation into exchange
After power supply, alternating voltage is converted by the circuit of transformer or oscillator etc., direct current is transformed into by rectification circuit afterwards
Power supply, so as to export to test power supply.
Also, the power supply unit of existing test device is when the deviation of multi output control device is larger, typically according to defeated
Go out the size of voltage to respectively constitute high voltage, low-voltage and high current transformation component.
Therefore, existing test device can not implement state of the detection as the electric automobile of test object, can exceed that survey
The condition that examination object can bear, may be used as the electric automobile of test object to break down because of test.
The content of the invention
(technical problems to be solved)
The technical problem to be solved in the present invention is to overcome described problem point, electronic vapour of the real time measure as test object
The state of car and DC test power supply supply respect it can be considered that the state of the electric automobile as test object.
(means for solving problem)
The present invention relates to electric automobile insulation estimation of stability device, the electric automobile insulation estimation of stability device bag
Include:Input unit 100, dc source is transfused in order to supply DC test power supply to test object electric automobile, be transfused to straight
The voltage and current value of current test power supply;DC voltage stability portion 200, in order to which steady dc voltage supplies so that described
The DC voltage stability for the dc source that input unit 100 is transfused to;Transformation component 300, based on what is generated by output section 400
The voltage and electric 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 200 stabilized dc source of DC voltage stability portion
Test the voltage and electric current of power supply;And output section 400, the DC test power supply that output is converted by the transformation component 300, point
Analyse the DC test power supply being output and determine the insulaion resistance and electric continuity of test object electric automobile, based on described
Insulaion resistance and the electric continuity and generate the voltage of DC test power supply and current value and feed back to the transformation component 300.
Also, the input unit 100 includes:DC supply input portion 110, it is straight in order to be supplied to test object electric automobile
Current test power supply, is transfused to dc source;And test voltage/electric current input unit 120, it is transfused to the voltage of DC test power supply
And current value.
Also, the transformation component 300 includes:AC/DC transformation component 310, the DC voltage stability portion will be passed through
200 stabilized dc sources are transformed into AC power;AC/AC transformation component 320, for being become by the AC/DC
The AC power of the conversion of portion 310 is changed, according to the order of conversion control unit 340, voltage of transformation or electric current;Ac/dc becomes
Portion 330 is changed, the AC power converted by the AC/AC transformation component 320 is changing into dc source;Convert control unit
340, the AC/AC transformation component 320 is controlled, so that its DC test according to test voltage/calculating of current transformation portion 350
The voltage and electric current of power supply converts the power supply of the AC power or electric current;And test voltage/current transformation portion 350, base
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, it is determined that voltage and electricity by the DC test power supply exported by the output section 400
The value of stream, from the output section 400 receive measure interrupt signal when, by it is described conversion control unit 340 control it is described exchange/
Exchange conversion portion 320, the voltage and electric current of the AC power that the AC/AC transformation component 320 is exported are changed to 0.
Also, the output section 400 includes:Dc source output section 410, output are converted by the transformation component 300
DC test power supply;And output feedback section 420, the DC test electricity exported by the dc source output section 410
Source determines the insulaion resistance and electric continuity of test object electric automobile, based on the insulaion resistance and the electric continuity, leads to
Cross the DC test power supply that the dc source output section 410 exports voltage and electric current and determine DC test power supply
After voltage and electric current, the voltage of the DC test power supply of determination and electric current are sent to test voltage/current transformation portion 350,
When the insulaion 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 measure.
Also, the output feedback section 420 includes:Insulaion resistance calculating portion 421, pass through the dc source output section
410 output the DC test power supplys and determine the insulaion resistance of test object electric automobile;Electric continuity calculating part 422,
The DC test power supply exported by the dc source output section 410 determines the electrically continuous of test object electric automobile
Property;Judging part 423, when whether the insulaion resistance and the electric continuity are included in specific band domain;And test voltage/electric current
Generating unit 424, it is judged as that the insulaion resistance and the electric continuity are not included in specific band domain by the judging part 423
When, based on the direct current for passing through the insulaion resistance and the electric continuity, being exported by the dc source output section 410
Test power supply voltage and electric current and after determining the voltage and electric current of DC test power supply, by the DC test power supply of determination
Voltage and current feedback to test voltage/current transformation portion 350, by the judging part 423 be judged as the insulaion resistance and
When the electric continuity is included in specific band domain, it is used to interrupt the letter determined to test voltage/measure transmission of current transformation portion 350
Number.
(The effect of invention)
Effect of the invention is that being used as the state of the electric automobile of test object by the real time measure and in DC test
The supply respect of power supply is it can be considered that the state of the electric automobile as test object, so as to substantially reduce in continuous mode
The possibility of problem occurs for test object.
Brief description of the drawings
Fig. 1 is the block diagram for showing existing electric automobile insulation estimation of stability device.
Fig. 2 is the block diagram for the electric automobile insulation estimation of stability device for showing one embodiment of the present of invention.
Fig. 3 is the input unit 100 for the electric automobile insulation estimation of stability device for showing one embodiment of the present of invention
The block diagram specifically formed.
Fig. 4 is the transformation component 300 for the electric automobile insulation estimation of stability device for showing one embodiment of the present of invention
The block diagram specifically formed.
Fig. 5 is the output section 400 for the electric automobile insulation estimation of stability device for showing one embodiment of the present of invention
The block diagram specifically formed.
Fig. 6 is the output feedback section for the electric automobile insulation estimation of stability device for showing 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:AC/DC transformation component
320:AC/AC transformation component
330:Ac/dc transformation component
340:Convert control unit
350:Test voltage/current transformation portion
400:Output section
410:Dc source output section
420:Export feedback section
421:Insulaion resistance calculating portion
422:Electric continuity calculating part
423:Judging part
424:Test voltage/electric current generating unit
Embodiment
Illustrate be used for implement the present invention particular content before, term used in present specification and claims or
Word should be interpreted to accord with using inventor using the concept for defining term that the best approach illustrates the present invention and can be suitably as principle
Close the meaning and concept of the technological thought of the present invention.
Also, it is judged as that known function involved in the present invention and its illustrating for composition are possible to unnecessarily obscure
During the purport of the present invention, eliminate this and illustrate.
The electric automobile insulation estimation of stability for describing the preferred embodiments of the present invention in detail referring to Fig. 2 to Fig. 6 fills
Put.
Fig. 2 is the block diagram for the electric automobile insulation estimation of stability device for showing one embodiment of the present of invention.
As shown in Fig. 2 the electric automobile insulation estimation of stability device of the preferred embodiments of the present invention includes:Input unit
100, dc source is transfused in order to supply DC test power supply to test object electric automobile, is transfused to DC test power supply
Voltage and current value;DC voltage stability portion 200, in order to which steady dc voltage supplies so that the quilt of input unit 100
The DC voltage stability of the dc source 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 200 stabilized dc source of DC voltage stability portion 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 that output is converted by the transformation component 300, analyze the institute being output
State DC test power supply and determine the insulaion resistance and electric continuity of test object electric automobile, based on the insulaion resistance and institute
State electric continuity and generate the voltage of DC test power supply and current value and feed back to the transformation component 300.
In addition, the preferred embodiment of the dc source being transfused to is battery supply.
In addition, the DC voltage stability portion 200 makes the preferred embodiment of DC voltage stability be using using together
Receive the DC/DC conversion machine of diode etc..
In addition, when the deviation of multi output control device is big, high electricity is typically respectively constituted according to the size of output voltage
Pressure, low-voltage and high current transformation component, but the transformation component 300 need to (insulaion resistance be surveyed according to test object thing and test approaches
Fixed and electric continuity measure) and test voltage is converted with test electric current linkage, so being configured to high voltage-low-voltage-big electricity
Stream conversion module can mutually link and can be controlled.
Fig. 3 is the input unit 100 for the electric automobile insulation estimation of stability device for showing one embodiment of the present of invention
The block diagram specifically formed.
Now, 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 transfused to dc source;And test voltage/electric current input unit 120, it is transfused to DC test
The voltage and current value of power supply.
Fig. 4 is the transformation component 300 for the electric automobile insulation estimation of stability device for showing one embodiment of the present of invention
The block diagram specifically formed.
Also, as shown in figure 4, the transformation component 300 includes:AC/DC transformation component 310, the direct current will be passed through
200 stabilized dc source of pressure stabilisation portion is transformed into AC power;AC/AC transformation component 320, for by described straight
The AC power that stream/exchange conversion portion 310 converts, according to the order of conversion control unit 340, voltage of transformation or electric current;Hand over
Stream/DC converting portion 330, the AC power converted by the AC/AC transformation component 320 is changing into dc source;Become
Control unit 340 is changed, controls the AC/AC transformation component 320, so that what it was calculated according to test voltage/current transformation portion 350
The voltage and electric current of DC test power supply converts the power supply of the AC power or electric current;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, it is determined that by the DC test power supply exported by the output section 400
The value of voltage and electric current, when receiving measure interrupt signal from the output section 400, controlled by the conversion control unit 340
The AC/AC transformation component 320, voltage and the electric current change for the AC power that the AC/AC transformation component 320 is exported
For 0.
In addition, the preferred embodiment that dc source is transformed into AC power by the AC/DC transformation component 310 is to pass through
Switch change-over.
In addition, the preferred embodiment for the voltage or electric current for converting AC power by the AC/AC transformation component 320 is
Converted by the circuit of transformer or oscillator etc..
In addition, the preferred embodiment that AC power is transformed into dc source by the ac/dc transformation component 330 is to pass through
Rectification circuit converts.
In addition, the test voltage/current transformation portion 350 determines the DC test that will be exported by the output section 400
The voltage of power supply and the preferred embodiment of the value of electric current are as follows:By the DC test power supply inputted by the input unit 100
Voltage and current value are divided into 5 to 10 steps, when in the absence of the voltage and electricity of the DC test power supply fed back from the output section 400
During flow valuve, it is defined as to correspond to the voltage of 1 step and current value output DC test power supply in the step, when by described
The voltage and current value for the DC test power supply that input unit 100 inputs are less than the DC test electricity from the output section 400 feedback
When the voltage and current value in source, it is defined as with the voltage corresponding to next step and current value output DC test power supply, when logical
The voltage and current value for crossing the DC test power supply that the input unit 100 inputs are more than the direct current fed back from the output section 400
When testing the voltage and current value of power supply, it is defined as with the voltage less than the DC test power supply fed back from the output section 400
And current value and voltage and current value output DC test power supply corresponding to next step, when in the absence of next step, really
It is set to the voltage corresponding to previous step and current value output DC test power supply.
In addition, the reasons why voltage and electric current of the AC power that the AC/AC transformation component 320 is exported are changed to 0
It is to be interrupted because the DC test power supply exported by the output section 400 turns into 0 to determine.
Fig. 5 is the output section 400 for the electric automobile insulation estimation of stability device for showing one embodiment of the present of invention
The block diagram specifically formed.
Also, now, as shown in figure 5, the output section 400 includes:Dc source output section 410, output pass through described
The DC test power supply that transformation component 300 converts;And output feedback section 420, exported by the dc source output section 410
The insulaion resistance and electric continuity of the DC test power supply measure test object electric automobile, based on the insulaion resistance and institute
Electric continuity, the voltage of the DC test power supply exported by the dc source output section 410 and electric current are stated to determine
After the voltage and electric current of DC test power supply, by the voltage of the DC test power supply of determination and electric current be sent to test voltage/
When current transformation portion 350, the insulaion resistance and the electric continuity are included in specific band domain, to test voltage/current transformation
Transmit the signal for interrupting measure in portion 350.
Fig. 6 is the output feedback section for the electric automobile insulation estimation of stability device for showing one embodiment of the present of invention
The block diagram of 420 specific composition.
Now, as illustrated in FIG. 6, the output feedback section 420 includes:Insulaion resistance calculating portion 421, passes through the direct current
Power output part 410 export the DC test power supply and determine the insulaion resistance of test object electric automobile;Electric continuity
Calculating part 422, the DC test power supply exported by the dc source output section 410 determine test object electric automobile
Electric continuity;Judging part 423, when whether the insulaion resistance and the electric continuity are included in specific band domain;And test
Voltage/current generating unit 424, it is judged as that the insulaion resistance and the electric continuity are not included in by the judging part 423
During specific band domain, based on what is exported by the insulaion resistance and the electric continuity, by the dc source output section 410
The voltage and electric current of the DC test power supply and after determining the voltage and electric current of DC test power supply, the direct current of determination is surveyed
The voltage and current feedback of examination power supply are judged as described exhausted to test voltage/current transformation portion 350 by the judging part 423
When edge resistance and the electric continuity are included in specific band domain, it is used to interrupt to test voltage/measure transmission of current transformation portion 350
The signal of measure.
In addition, the test voltage/electric current generating unit 424 is used to the signal for interrupting measure being sent to test voltage/electricity
Flow the insulaion 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 into 5 times, 100 Ω of the benchmark of insulaion resistance/Vdc or 500 in no more than test
Stop test at 5 times of Ω/Vac values, the situation of electric continuity is, with 0.1 below Ω benchmark, when more than 5 times values i.e. 0.02
Stop the band domain of test during Ω.
Above to showing that the preferred embodiment of the technology of the present invention thought is illustrated and shown with accompanying drawing, but the present invention is simultaneously
Be not limited to it is described above and with the composition shown in accompanying drawing and effect, skilled artisans appreciate that to not departing from this hair
In the range of bright technological thought, numerous variations and modification can be implemented to the present invention.Therefore, all appropriate changes and modification
And its equivalent falls within the scope of the present invention.
Claims (5)
- A kind of 1. electric automobile insulation estimation of stability device, it is characterised in that including:Input unit (100), dc source is transfused in order to supply DC test power supply to test object electric automobile, is transfused to The voltage and current value of DC test power supply;DC voltage stability portion (200), in order to which steady dc voltage supplies so that what the input unit (100) was transfused to The DC voltage stability of the dc source;Transformation component (300), voltage and current value based on 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 stable by the DC voltage stability portion (200) The dc source of change is transformed into the voltage and electric current for the DC test power supply that will be exported by output section;AndOutput section (400), output by the transformation component (300) convert DC test power supply, analyze be output it is described directly Current test power supply and the insulaion resistance and electric continuity for determining test object electric automobile, based on the insulaion resistance and the electricity Continuity and generate the voltage of DC test power supply and current value and feed back to the transformation component (300).
- 2. electric automobile insulation estimation of stability device according to claim 1, it is characterised in thatThe input unit (100) includes:DC supply input portion (110), in order to supply DC test power supply to test object electric automobile, it is transfused to direct current Source;AndTest voltage/electric current input unit (120), it is transfused to the voltage and current value of DC test power supply.
- 3. electric automobile insulation estimation of stability device according to claim 1, it is characterised in thatThe transformation component (300) includes:AC/DC transformation component (310), it will be converted by the stabilized dc source of the DC voltage stability portion (200) Into AC power;AC/AC transformation component (320), for the AC power converted by the AC/DC transformation component (310), According to the order of conversion control unit (340), voltage of transformation or electric current;Ac/dc transformation component (330), the AC power converted by the AC/AC transformation component (320) is changing into directly Flow power supply;Control unit (340) is converted, the AC/AC transformation component (320) is controlled, so that it is according to test voltage/current transformation The voltage and electric current for the DC test power supply that portion (350) calculates convert the power supply of the AC power or electric current;AndTest 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), it is determined that will be by described defeated Go out the voltage of DC test power supply and the value of electric current of portion (400) output, receiving measure from the output section (400) interrupts letter Number when, the AC/AC transformation component (320) is controlled by the conversion control unit (340), the AC/AC is converted The voltage and electric current of the AC power of portion (320) output are changed to 0.
- 4. electric automobile insulation estimation of stability device according to claim 1, it is characterised in thatThe output section (400) includes:Dc source output section (410), the DC test power supply that output is converted by the transformation component (300);AndFeedback section (420) is exported, the DC test power supply exported by the dc source output section (410) determines test The insulaion resistance and electric continuity of object electric automobile, based on the insulaion resistance and the electric continuity, pass through the direct current Power output part (410) output the DC test power supply voltage and electric current and determine the voltage and electricity of DC test power supply After stream, the voltage of the DC test power supply of determination and electric current are sent to test voltage/current transformation portion (350), it is described exhausted When edge resistance and the electric continuity are included in specific band domain, transmit to test voltage/current transformation portion (350) and surveyed for interrupting Fixed signal.
- 5. electric automobile insulation estimation of stability device according to claim 4, it is characterised in thatThe output feedback section (420) includes:Insulaion resistance calculating portion (421), surveyed by the DC test power supply of the dc source output section (410) output Determine the insulaion resistance of test object electric automobile;Electric continuity calculating part (422), the DC test power supply exported by the dc source output section (410) determine The electric continuity of test object electric automobile;Judging part (423), when whether the insulaion resistance and the electric continuity are included in specific band domain;AndTest voltage/electric current generating unit (424), the insulaion resistance is judged as 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 insulaion resistance and the electric continuity, defeated by the dc source Go out portion (410) output the DC test power supply voltage and electric current and determine DC test power supply voltage and electric current it Afterwards, the voltage of the DC test power supply of determination and current feedback are sentenced to test voltage/current transformation portion (350) by described When disconnected portion (423) are judged as that the insulaion resistance and the electric continuity are included in specific band domain, to test voltage/current transformation Portion (350) measure transmission is used for the signal for interrupting measure.
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 |
Publications (2)
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CN107820571A true CN107820571A (en) | 2018-03-20 |
CN107820571B 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 |
KR101918493B1 (en) * | 2017-11-29 | 2018-11-14 | 씨티아이코리아 주식회사 | Electrical safety multi inspection device for eco-vehicles |
KR102313478B1 (en) | 2020-03-27 | 2021-10-15 | 씨티아이코리아 주식회사 | A method of evaluting used electrical safety evaluting device for operating ess |
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