CN109212316A - Electric vehicle insulation performance device for fast detecting - Google Patents
Electric vehicle insulation performance device for fast detecting Download PDFInfo
- Publication number
- CN109212316A CN109212316A CN201810324177.5A CN201810324177A CN109212316A CN 109212316 A CN109212316 A CN 109212316A CN 201810324177 A CN201810324177 A CN 201810324177A CN 109212316 A CN109212316 A CN 109212316A
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- CN
- China
- Prior art keywords
- relay
- electric vehicle
- connect
- measured
- insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 47
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 abstract description 12
- 239000000523 sample Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
A kind of electric vehicle insulation performance device for fast detecting, including the public bonding connecting with electric vehicle metal frame to be measured, public bonding lower end is connect with the test common end of Insulation monitoring table；It further include the battery for electric vehicle to be measured power supply；The first relay, the second relay, third relay are respectively equipped in circuit control box；Battery passes through the first relay respectively, the second relay is connect with the positive and negative electrode of electric vehicle power sources access port to be measured；Insulation monitoring table is connect by third relay with the cathode of electric vehicle power sources access port to be measured through Insulation monitoring probe, and Insulation monitoring table is tested common end through it and connect with public bonding, and public bonding is connect with electric vehicle metal frame to be measured.The configuration of the present invention is simple, it is easy to use, two kinds of detection operations are just completed by the drop-down and release of circuit changing switch drawstring, the activity duration of Insulation monitoring is reduced, improves work efficiency, save cost of labor.
Description
Technical field
The present invention relates to whole electric vehicle manufacturing field, specifically a kind of electric vehicle insulation performance device for fast detecting.
Background technique
Insulation detecting method general in electric vehicle industry is detected using electronic isolation table at present.Detection method
It is to connect the test pencil of electronic isolation table with any end of electric vehicle control route, pops one's head in and electric appliance assembly by Insulation monitoring
The metal shell of part either metal frame is in contact, and starts testing button, the 500v high exported by electronic isolation table moment
Voltage detects the insulation resistance value of electrical part, is compared to sentence with bolt measured value in the qualified insulation values set by insulation meter
Fixed, electrical part insulation etc. gives whether reach quality requirements.It is that can achieve performance requirement that this detection mode is surveyed in result in bolt
, but there are complicated for operation, the serious beneath situations of large labor intensity, working efficiency, and every production requires specially
An inspector is equipped with to carry out test job, under heavy production requirement, this detection method is not able to satisfy actual
Business demand.
Summary of the invention
It is an object of the invention to overcome the above-mentioned insufficient of the prior art and provide a kind of structure is simple, work efficiency is high,
The electric vehicle insulation performance device for fast detecting that can be saved labour turnover.
Technical solution of the present invention includes the public bonding connecting with electric vehicle metal frame to be measured, public bonding lower end with
The test common end of Insulation monitoring table connects；The first relay, the second relay, third relay are respectively equipped in circuit control box
Device；Battery passes through the first relay respectively, the second relay is connect with the positive and negative electrode of electric vehicle power sources access port to be measured；Insulation
Detection table is connect by third relay with the cathode of electric vehicle power sources access port to be measured through Insulation monitoring probe, Insulation monitoring table
It tests common end through it to connect with public bonding, public bonding is connect with electric vehicle metal frame to be measured.
The input voltage of the battery is 60V.
The circuit control box is equipped with circuit changing switch, and circuit changing switch is switched through power input to be connected with power supply
It connects, circuit changing switch is connected with the first relay coil, the second relay coil, third relay coil.
The beneficial effects of the present invention are: structure is simple, easy to use, the drop-down and pine by circuit changing switch drawstring
It opens and just completes two kinds of detection operations, reduce the activity duration of Insulation monitoring, reduce the activity duration of Insulation monitoring, detect
One trolley insulation performance only needs 3 seconds, improves work efficiency, saves cost of labor.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is schematic block circuit diagram of the invention.
Fig. 3 is circuit controling drawing of the invention.
In figure, Insulation monitoring table (1)；Circuit control box (2)；Circuit changing switch (3)；Battery (4)；Common test end
(5)；Public bonding (6)；Insulation monitoring pops one's head in (7)；First relay (8)；Second relay (9)；Third relay (10).
Specific embodiment
In Fig. 1, the present invention includes the public bonding 6 connecting with electric vehicle metal frame to be measured, public 6 lower end of bonding and absolutely
The test common end 5 that edge detects table 1 connects.It further include the battery 4 by circuit control box 2 for electric vehicle to be measured power supply.Circuit
Circuit changing switch 3 is housed on control cabinet 2.Equipped with Insulation monitoring probe 7 on Insulation monitoring table 1.It is set respectively in circuit control box 2
There are the first relay 8, the second relay 9, third relay 10.The input voltage of battery 4 is 60V.The metal of electric vehicle to be measured
Vehicle frame is contacted with the iron plate of public bonding 6, and battery 4 passes through the first relay 8, the second relay 9 and electric vehicle electricity to be measured respectively
The positive and negative electrode of source access port connects, and electric vehicle to be measured has electricity.It opens electric vehicle power sources lock to be measured and performance is carried out to vehicle electrical part
Detection.Switching 3 drawstring of switch that pulls down circuit after the electrical part detection of electric vehicle to be measured does not unclamp, into insulation detecting circuit
System starts to carry out the Insulation monitoring stage, and battery 4 is disconnected by circuit changing switch at this time, and electric vehicle to be measured is without electricity.Read insulation
It detects table 1 and detects numerical value, determine state of insulation.Unclamp 3 drawstring of circuit changing switch.4 input line of battery is pulled out, entire inspection is completed
Survey process.The present invention just completes two kinds of detection operations by the drop-down and release of 3 drawstring of circuit changing switch, reduces insulation
The activity duration of detection, one trolley insulation performance of detection only need 3 seconds.It improves work efficiency, saves cost of labor.
In Fig. 2, the first relay 8, the second relay 9, third relay 10 are respectively equipped in circuit control box 2.Battery 4
It is connect by the first relay 8 with the anode of electric vehicle power sources access port to be measured, battery 4 passes through the second relay 9 and electricity to be measured
The cathode of motor-car plant-grid connection mouth connects, and forms an electrical circuit.Insulation monitoring table 1 passes through third relay through Insulation monitoring probe 7
Device 10 is connect with the cathode of electric vehicle power sources access port to be measured, and Insulation monitoring table 1 tests common end 5 through it and public bonding 6 connects
It connects, public bonding 6 is connect with electric vehicle metal frame to be measured, and full-vehicle control circuit can be with electric vehicle gold in the case where on-insulated
Belong to vehicle frame and generate conducting, forms another electrical circuit.
The first relay, the second relay, third relay are respectively equipped in Fig. 3, in circuit control box.Power input is opened
It closes SB2 to be connected with 200V power supply, power input switch SB2 is connected with circuit changing switch 3(SB1), circuit changing switch 3
(SB1) with the first relay 8(KM1) coil, the second relay 9(KM2) coil, third relay 10(KM3) coil is connected.
In use, switching 3 drawstring of switch that pulls down circuit does not unclamp, SB1 is closed, at this time the first relay 8, the second relay
9,10 coil of third relay is powered, and the normally-closed contact disconnection of the first relay 8, the second relay 9, the disconnection of battery 4 is no longer given
Electric vehicle input voltage to be measured, while 10 opened point of third relay is closed, the opened point access of third relay 10 is exhausted
Edge detection probe 7.Start Insulation monitoring table 1, the 500v voltage of 1 moment of Insulation monitoring table output is passed through into Insulation monitoring probe 7
It connect the access to be formed with the cathode of electric vehicle power sources access port and is conveyed to electric vehicle to be measured, carries out Insulation monitoring.Detection finishes
3 drawstring of circuit changing switch is unclamped later, and circuit changing switch SB1 is disconnected.
Claims (3)
1. a kind of electric vehicle insulation performance device for fast detecting, it is characterised in that: including being connect with electric vehicle metal frame to be measured
Public bonding (6), public bonding (6) lower end is connect with the test common end (5) of Insulation monitoring table (1)；Circuit control box (2)
Inside it is respectively equipped with the first relay (8), the second relay (9), third relay (10)；Battery (4) passes through the first relay respectively
Device (8), the second relay (9) are connect with the positive and negative electrode of electric vehicle power sources access port to be measured；Insulation monitoring table (1) is examined through insulation
Probing head (7) is connect by third relay (10) with the cathode of electric vehicle power sources access port to be measured, and Insulation monitoring table (1) is through it
Test common end (5) is connect with public bonding (6), and public bonding (6) connect with electric vehicle metal frame to be measured.
2. electric vehicle insulation performance device for fast detecting according to claim 1, it is characterised in that: the battery (4)
Input voltage is 60V.
3. electric vehicle insulation performance device for fast detecting according to claim 1, it is characterised in that: the circuit control box
(2) circuit changing switch (3) are housed, circuit changing switch (3) is controlled to a power supply through power input switch, circuit changing switch
(3) it is connected with the first relay coil, the second relay coil, third relay coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324177.5A CN109212316A (en) | 2018-04-12 | 2018-04-12 | Electric vehicle insulation performance device for fast detecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324177.5A CN109212316A (en) | 2018-04-12 | 2018-04-12 | Electric vehicle insulation performance device for fast detecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109212316A true CN109212316A (en) | 2019-01-15 |
Family
ID=64991084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810324177.5A Pending CN109212316A (en) | 2018-04-12 | 2018-04-12 | Electric vehicle insulation performance device for fast detecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109212316A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884395A (en) * | 2019-03-14 | 2019-06-14 | 芜湖职业技术学院 | Electric automobile high-voltage insulation resistance detection method and system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411115A (en) * | 2011-12-08 | 2012-04-11 | 天津力神电池股份有限公司 | Joint short circuit test device for lugs and case of lithium ion battery |
| CN203519737U (en) * | 2013-09-07 | 2014-04-02 | 潍柴动力股份有限公司 | Electric vehicle test system possessing scram and insulation protection functions |
| CN203658468U (en) * | 2013-12-03 | 2014-06-18 | 北汽福田汽车股份有限公司 | Insulation resistance detection device used for electric vehicle |
| US20140197683A1 (en) * | 2013-01-15 | 2014-07-17 | Toyota Jidosha Kabushiki Kaisha | Electric vehicle and insulation state determination method for electric vehicle |
| CN105515132A (en) * | 2016-02-17 | 2016-04-20 | 重庆长安汽车股份有限公司 | Charging equipment |
| CN206505154U (en) * | 2017-01-13 | 2017-09-19 | 厦门金龙旅行车有限公司 | A kind of new pure electric coach insulation state monitoring system |
| CN208043936U (en) * | 2018-04-12 | 2018-11-02 | 湖北新日电动车有限公司 | Electric vehicle insulation performance device for fast detecting |
-
2018
- 2018-04-12 CN CN201810324177.5A patent/CN109212316A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411115A (en) * | 2011-12-08 | 2012-04-11 | 天津力神电池股份有限公司 | Joint short circuit test device for lugs and case of lithium ion battery |
| US20140197683A1 (en) * | 2013-01-15 | 2014-07-17 | Toyota Jidosha Kabushiki Kaisha | Electric vehicle and insulation state determination method for electric vehicle |
| CN203519737U (en) * | 2013-09-07 | 2014-04-02 | 潍柴动力股份有限公司 | Electric vehicle test system possessing scram and insulation protection functions |
| CN203658468U (en) * | 2013-12-03 | 2014-06-18 | 北汽福田汽车股份有限公司 | Insulation resistance detection device used for electric vehicle |
| CN105515132A (en) * | 2016-02-17 | 2016-04-20 | 重庆长安汽车股份有限公司 | Charging equipment |
| CN206505154U (en) * | 2017-01-13 | 2017-09-19 | 厦门金龙旅行车有限公司 | A kind of new pure electric coach insulation state monitoring system |
| CN208043936U (en) * | 2018-04-12 | 2018-11-02 | 湖北新日电动车有限公司 | Electric vehicle insulation performance device for fast detecting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884395A (en) * | 2019-03-14 | 2019-06-14 | 芜湖职业技术学院 | Electric automobile high-voltage insulation resistance detection method and system |
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