CN107907756A - A kind of new-energy automobile charging pile earth leakage protective test device - Google Patents
A kind of new-energy automobile charging pile earth leakage protective test device Download PDFInfo
- Publication number
- CN107907756A CN107907756A CN201710968664.0A CN201710968664A CN107907756A CN 107907756 A CN107907756 A CN 107907756A CN 201710968664 A CN201710968664 A CN 201710968664A CN 107907756 A CN107907756 A CN 107907756A
- Authority
- CN
- China
- Prior art keywords
- slide rheostat
- charging pile
- new
- energy automobile
- automobile charging
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a kind of new-energy automobile charging pile earth leakage protective test device, including housing, the surface of the housing is provided with outlet, and outlet electrical connection has 220：The step-down transformer of 12 types, the step-down transformer is connected with bridge rectifier, the bridge rectifier includes input terminal and output terminal, and the input terminal and output terminal of bridge rectifier are connected to the first test pen and the second test pen, first test pen and the second test pen extend out to the outside of housing, the first slide rheostat and first switch are in series between the input terminal and the first test pen, and first slide rheostat maximum value be 12 ohm, the device can by the simulation leakage current of detection by be mutated be changed to it is gradual, so that testing result is more accurate, power supply is changed to 220V alternating currents by battery at the same time, so that the supply voltage of device is more stable, be conducive to improve the accuracy of testing result.
Description
Technical field
The present invention relates to new-energy automobile charging pile technical field, is specially that a kind of new-energy automobile charging pile is protected with electric leakage
Protect test device.
Background technology
The fuel charger being functionally similar to inside gas station of charging pile, can be fixed on ground or wall, be installed on public
In building and residential area parking lot or charging station, it can be filled according to different voltage class for the electric automobile of various models
Electricity.The input terminal of charging pile is directly connected to AC network, and output terminal is equipped with charging plug and is used to be electric automobile charging, newly
Energy automobile can equally be charged with charging pile.Charging pile causes damages or peaceful accident because of electric leakage in order to prevent, fills
Electric stake need to install leakage protection equipment, in order to enable leakage protection equipment normal use, it is necessary to using earth leakage protective test device
Leakage protection equipment is detected.
But existing earth leakage protective test device is there are following defect, first, the simulation leakage current that device produces is
Mutation, and the leakage current in real life is gradual, replaces gradual leakage current to be tested with mutation leakage current
It is the judgement for not accurately easily producing mistake；Second, the power supply of device is battery, and battery is electric over time
Pressure can produce change so that the simulation leakage current of generation also changes, and reduces the accuracy of detection, in order to solve these
Problem, thus devise a kind of new-energy automobile charging pile and tested with earth leakage protective.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of new-energy automobile charging pile and is surveyed with earth leakage protective
Trial assembly is put, can by the simulation leakage current of detection by be mutated be changed to it is gradual so that testing result is more accurate, at the same will power supply
Power supply is changed to 220V alternating currents by battery so that the supply voltage of device is more stable, is conducive to improve the accurate of testing result
Degree.
The technical solution adopted by the present invention to solve the technical problems is：A kind of new-energy automobile charging pile earth leakage protective
Test device, including housing, the surface of the housing is provided with outlet, and outlet electrical connection has 220：12 types
Step-down transformer, the step-down transformer are connected with bridge rectifier, and the bridge rectifier includes input terminal and output
End, and the input terminal of bridge rectifier and output terminal are connected to the first test pen and the second test pen, described first surveys
Examination pen and the second test pen extend out to the outside of housing, and the first slip change is in series between the input terminal and the first test pen
Device and first switch are hindered, and the maximum value of the first slide rheostat is 12 ohm.
As a kind of preferable technical solution of the present invention, the both ends of the first switch are parallel with second switch and second and slide
Dynamic rheostat, and the maximum value of the second slide rheostat is 12 ohm.
As a kind of preferable technical solution of the present invention, the both ends of the second switch are parallel with the 3rd switch and the 3rd and slide
Dynamic rheostat, and the maximum value of the 3rd slide rheostat is 96 ohm.
As a kind of preferable technical solution of the present invention, first slide rheostat, the second slide rheostat and the 3rd
Slide rheostat includes sliding block, and sliding block is respectively connected with servomotor.
As a kind of preferable technical solution of the present invention, first test pen, the top of the second test pen are both provided with
Protective case.
As a kind of preferable technical solution of the present invention, the AC power of the outlet connection 220V.
As a kind of preferable technical solution of the present invention, the outer wall of the housing is provided with insulating layer.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) it is of the invention by the first slide rheostat and the first switch of connecting between input terminal and the first test pen, and
The maximum value of first slide rheostat is 12 ohm, and variable resistance is slided in the both ends parallel connection second switch of first switch and second
Device, and the maximum value of the second slide rheostat is 12 ohm, at the both ends of second switch, the 3rd switch of parallel connection and the 3rd slides
Rheostat, and the maximum value of the 3rd slide rheostat be 96 ohm so that can simulate 0-100 milliamperes, 0-500 milliamperes and
0-1000 milliamperes of gradual leakage current so that testing result is more accurate.
(2) present invention by outlet by connecting 220V alternating currents, and connects 220:12 step-down transformer, reconnects
Bridge rectifier so that supply voltage is changed into the direct current of 12V, makes the supply voltage of device more stable, is conducive to improve inspection
Survey the accuracy of result.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the body diagram of the present invention；
Fig. 3 is the slide block structure schematic diagram of the present invention.
In figure：1- housings；2- outlets；3- step-down transformers；4- bridge rectifiers；5- input terminals；6- output terminals；
The first test pens of 7-；The second test pens of 8-；The first slide rheostats of 9-；10- first switches；11- second switches；12- second is slided
Dynamic rheostat；13- the 3rd is switched；The 3rd slide rheostats of 14-；15- sliding blocks；16- servomotors；17- protective cases；18- insulate
Layer.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", " interior ", "
Outside ", " side " etc., is only direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, and it is not used to the limitation present invention.
Embodiment：
As depicted in figs. 1 and 2, the present invention provides a kind of new-energy automobile charging pile earth leakage protective test device, bag
Housing 1 is included, the outer wall of the housing 1 is provided with insulating layer 18, for preventing external environment condition from being had an impact to device, the housing
1 surface is provided with outlet 2, and the outlet 2 connects the AC power of 220V, to replace existing battery, and
The electrical connection of outlet 2 has 220：The step-down transformer 3 of 12 types, the step-down transformer 3 are connected with bridge rectifier 4,
So that supply voltage is changed into the direct current of 12V, make the supply voltage of device more stable, be conducive to improve the accurate of testing result
Degree, the bridge rectifier 4 includes input terminal 5 and output terminal 6, and the input terminal 5 of bridge rectifier 4 and output terminal 6 divide
The first test pen 7 and the second test pen 8 are not connected with, and 7 and second test pen 8 of the first test pen extend out to housing 1
Outside, first test pen 7, the top of the second test pen 8 are both provided with protective case 17, prevent the first test pen 7, second from surveying
Examination pen 8 damages.
As shown in Figure 1 to Figure 3, the first slide rheostat 9 and are in series between 5 and first test pen 7 of input terminal
One switch 10, and the maximum value of the first slide rheostat 9 is 12 ohm, the both ends of the first switch 10 are parallel with second and open
11 and second slide rheostat 12 of pass, and the maximum value of the second slide rheostat 12 is 12 ohm, the second switch 11
Both ends are parallel with the 3rd switch 13 and the 3rd slide rheostat 14, and the maximum value of the 3rd slide rheostat 14 is 96 ohm,
First slide rheostat 9, the second slide rheostat 12 and the 3rd slide rheostat 14 include sliding block 15, and sliding block 15 is equal
Servomotor 16 is connected with, sliding block 15 is used to change the first slide rheostat 9, the second slide rheostat 12 and the 3rd slip variable resistance
The resistance of device 14, servomotor 16 is so that the movement of sliding block 15 is more accurate so that when only first switch 10 closes, can simulate
Go out 0-1000 milliamperes of gradual leakage current so that when only second switch 11 closes, 0-500 milliamperes gradual can be simulated
Leakage current so that when the only the 3rd 13 closure of switch, 0-100 milliamperes of gradual leakage current can be simulated so that detection
As a result it is more accurate.
In conclusion the main characteristic of the invention lies in that：
(1) it is of the invention by the first slide rheostat and the first switch of connecting between input terminal and the first test pen, and
The maximum value of first slide rheostat is 12 ohm, and variable resistance is slided in the both ends parallel connection second switch of first switch and second
Device, and the maximum value of the second slide rheostat is 12 ohm, at the both ends of second switch, the 3rd switch of parallel connection and the 3rd slides
Rheostat, and the maximum value of the 3rd slide rheostat be 96 ohm so that can simulate 0-100 milliamperes, 0-500 milliamperes and
0-1000 milliamperes of gradual leakage current so that testing result is more accurate.
(2) present invention by outlet by connecting 220V alternating currents, and connects 220:12 step-down transformer, reconnects
Bridge rectifier so that supply voltage is changed into the direct current of 12V, makes the supply voltage of device more stable, is conducive to improve inspection
Survey the accuracy of result.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (7)
1. a kind of new-energy automobile charging pile earth leakage protective test device, including housing (1), it is characterised in that：The housing
(1) surface is provided with outlet (2), and outlet (2) electrical connection has 220：The step-down transformer (3) of 12 types, institute
State step-down transformer (3) and be connected with bridge rectifier (4), the bridge rectifier (4) includes input terminal (5) and output terminal
(6), and the input terminal (5) of bridge rectifier (4) and output terminal (6) are connected to the first test pen (7) and the second test
Pen (8), first test pen (7) and the second test pen (8) extend out to the outside of housing (1), the input terminal (5) and the
The first slide rheostat (9) and first switch (10) are in series between one test pen (7), and the first slide rheostat (9) is most
Big resistance value is 12 ohm.
A kind of 2. new-energy automobile charging pile earth leakage protective test device according to claim 1, it is characterised in that：Institute
The both ends for stating first switch (10) are parallel with second switch (11) and the second slide rheostat (12), and the second slide rheostat
(12) maximum value is 12 ohm.
A kind of 3. new-energy automobile charging pile earth leakage protective test device according to claim 1, it is characterised in that：Institute
The both ends for stating second switch (11) are parallel with the 3rd switch (13) and the 3rd slide rheostat (14), and the 3rd slide rheostat
(14) maximum value is 96 ohm.
A kind of 4. new-energy automobile charging pile earth leakage protective test device according to claim 1, it is characterised in that：Institute
Stating the first slide rheostat (9), the second slide rheostat (12) and the 3rd slide rheostat (14) includes sliding block (15), and sliding
Block (15) is respectively connected with servomotor (16).
A kind of 5. new-energy automobile charging pile earth leakage protective test device according to claim 1, it is characterised in that：Institute
State the first test pen (7), the top of the second test pen (8) is both provided with protective case (17).
A kind of 6. new-energy automobile charging pile earth leakage protective test device according to claim 1, it is characterised in that：Institute
State the AC power of outlet (2) connection 220V.
A kind of 7. new-energy automobile charging pile earth leakage protective test device according to claim 1, it is characterised in that：Institute
The outer wall for stating housing (1) is provided with insulating layer (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968664.0A CN107907756A (en) | 2017-10-18 | 2017-10-18 | A kind of new-energy automobile charging pile earth leakage protective test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968664.0A CN107907756A (en) | 2017-10-18 | 2017-10-18 | A kind of new-energy automobile charging pile earth leakage protective test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107907756A true CN107907756A (en) | 2018-04-13 |
Family
ID=61840549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710968664.0A Pending CN107907756A (en) | 2017-10-18 | 2017-10-18 | A kind of new-energy automobile charging pile earth leakage protective test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107907756A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007194A (en) * | 2019-04-22 | 2019-07-12 | 国网河北省电力有限公司石家庄市鹿泉区供电分公司 | A kind of charge and discharge stake leak current fault positioning acquisition system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2452028Y (en) * | 2000-11-07 | 2001-10-03 | 贾玉正 | Simple earth leakage protector detecting instrument |
| CN102749577A (en) * | 2012-07-27 | 2012-10-24 | 苏州贝腾特电子科技有限公司 | Detection device |
| JP2012243642A (en) * | 2011-05-20 | 2012-12-10 | Kawamura Electric Inc | Earth leakage breaker |
| CN202600075U (en) * | 2012-05-28 | 2012-12-12 | 华北电网有限公司唐山供电公司 | Leakage protector tester |
| CN103926488A (en) * | 2014-04-04 | 2014-07-16 | 苏州工业职业技术学院 | System for testing electric leakage protector |
| CN106093670A (en) * | 2016-08-28 | 2016-11-09 | 张新安 | A kind of earth leakage protective device tester turn-off time |
-
2017
- 2017-10-18 CN CN201710968664.0A patent/CN107907756A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2452028Y (en) * | 2000-11-07 | 2001-10-03 | 贾玉正 | Simple earth leakage protector detecting instrument |
| JP2012243642A (en) * | 2011-05-20 | 2012-12-10 | Kawamura Electric Inc | Earth leakage breaker |
| CN202600075U (en) * | 2012-05-28 | 2012-12-12 | 华北电网有限公司唐山供电公司 | Leakage protector tester |
| CN102749577A (en) * | 2012-07-27 | 2012-10-24 | 苏州贝腾特电子科技有限公司 | Detection device |
| CN103926488A (en) * | 2014-04-04 | 2014-07-16 | 苏州工业职业技术学院 | System for testing electric leakage protector |
| CN106093670A (en) * | 2016-08-28 | 2016-11-09 | 张新安 | A kind of earth leakage protective device tester turn-off time |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007194A (en) * | 2019-04-22 | 2019-07-12 | 国网河北省电力有限公司石家庄市鹿泉区供电分公司 | A kind of charge and discharge stake leak current fault positioning acquisition system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107255759A (en) | A kind of electric vehicle alternating-current charging pile automatic checkout system | |
| CN207662987U (en) | A kind of charging pile test device | |
| CN108181522A (en) | The filed detection system of AC charging facility | |
| CN104360197B (en) | Method for monitoring resistance of valve discs of arresters based on resistance-capacitance network | |
| CN206848394U (en) | A kind of simulation test platform based on alternating-current charging pile | |
| CN109709415B (en) | Direct current charging pile battery reverse connection prevention simulation test device and method | |
| CN105092971A (en) | Pure electric high-voltage insulated resistance real-time online detection method | |
| CN205691687U (en) | Electric automobile and charging pile on-line measuring device | |
| CN205581221U (en) | Electric automobile direct current fills electric pile interface circuit simulator | |
| CN205679693U (en) | A kind of alternating-current charging pile calibrating installation | |
| CN113009245A (en) | Fill portable detecting system of electric pile | |
| CN107907756A (en) | A kind of new-energy automobile charging pile earth leakage protective test device | |
| CN110361579A (en) | Transmission line of electricity two phase ground safety of surrounding environment evaluation system and method under stratified soil | |
| CN207067294U (en) | A kind of down conductor continuity test instrument | |
| CN206470600U (en) | A kind of Vehicular battery management system test system of integrated form | |
| CN208224385U (en) | Be used for electric automobile direct current to fill electric pile on-site measuring device | |
| CN208872824U (en) | Charging pile simulator | |
| CN203982644U (en) | Multifunction teaching circuit board | |
| CN104092226B (en) | Intelligent Coal Mine Power Distribution System comprehensive experimental device | |
| CN207366659U (en) | A kind of direct-current charging post electric fault simulation system | |
| Li et al. | Study on the distributed-parameter resistance earth model and potential distribution of the monopole-ground-return HVDC | |
| CN106569053B (en) | A kind of simulation system and method for pure electric automobile on-vehicle battery external characteristics | |
| CN110361578A (en) | The uniline of meter and soil layering is shorted shaft tower personal safety assessment system and method | |
| CN105226766B (en) | A kind of low noise bias device | |
| CN204166720U (en) | Single-phase intelligent expense control electric energy meter is installed concentratedly and training set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180413 |