CN205581221U - Electric automobile direct current fills electric pile interface circuit simulator - Google Patents

Electric automobile direct current fills electric pile interface circuit simulator Download PDF

Info

Publication number
CN205581221U
CN205581221U CN201620119449.4U CN201620119449U CN205581221U CN 205581221 U CN205581221 U CN 205581221U CN 201620119449 U CN201620119449 U CN 201620119449U CN 205581221 U CN205581221 U CN 205581221U
Authority
CN
China
Prior art keywords
detector unit
contact
charging
resistance
electric automobile
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.)
Withdrawn - After Issue
Application number
CN201620119449.4U
Other languages
Chinese (zh)
Inventor
姚海强
姚承勇
张进滨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QUNLING ENERGY RESOURCES TECHNOLOGY Co Ltd
Original Assignee
QUNLING ENERGY RESOURCES TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by QUNLING ENERGY RESOURCES TECHNOLOGY Co Ltd filed Critical QUNLING ENERGY RESOURCES TECHNOLOGY Co Ltd
Priority to CN201620119449.4U priority Critical patent/CN205581221U/en
Application granted granted Critical
Publication of CN205581221U publication Critical patent/CN205581221U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model relates to an electric automobile direct current fills electric pile interface circuit simulator, this simulator is including filling electric pile output socket, DC power supply positive terminal, DC power supply negative terminal, control communications bus interface, adjustable resistance, the loop resistance, auxiliary electrical power source is anodal, the auxiliary electrical power source negative pole, a plurality of detecting element and a plurality of isolator, detecting element all includes the detection switch and gathers the interface in the standard that detection switch both ends set up respectively, above -mentioned each components and parts are based on detecting element and isolator interconnect each other. The utility model provides a detecting element's simulator framework adopts because having realized that the uniformity of each other operating that electric automobile and direct current fill between the electric pile detects, has improved comprehensive and the stressing nature that detects to improve electric automobile safety in utilization and reliability, reduced electric automobile accident rate.

Description

A kind of electric automobile direct-current charging post interface circuit simulator
Technical field
This utility model relates to Control of Electric Vehicles detection technique field, especially relates to a kind of electric automobile direct-current charging post interface Circuit simulator.
Background technology
Along with constantly popularizing, as the electric automobile charging pile of New-energy electric vehicle complete sets of basic equipment facility of New-energy electric vehicle More and more universal.Charging pile as the term suggests being i.e. can be the device of the charging electric vehicle that can utilize new forms of energy electric energy, its Can be according to the charging electric vehicle that different electric pressures is various model.At present conventional charging pile include direct-current charging post and Alternating-current charging pile, direct-current charging post is the electric supply installation providing direct current energy for electric automobile power battery, it is provided that bigger Output, the adjusting range of output voltage and output electric current is the biggest, it is possible to achieve the quick charge i.e. requirement of " filling soon ", Quick charge uses high power DC charging technique, can be faster than the charging rate of traditional " trickle charge " 5~8 times, it is possible to significantly Save the charging interval of electric automobile, therefore have, compared to the alternating-current charging pile of tradition " trickle charge ", the prospect that is more widely applied. During direct-current charging post charging uses, the mutual operation between itself and electric automobile such as interconnects particularly important, because of The charging inlet of this direct-current charging post is as " bridge " between electrically-charging equipment (i.e. direct-current charging post) and electric automobile, its work Stability is particularly important with the coherence request of electric automobile, direct-current charging post mutual operation.Away from incomplete statistics, numerous In electric automobile accident, 90% occurs in the charging process of electric automobile, wherein more than 50% is to occur in quick charge Cheng Zhong.But along with the continuous quickening of rhythm of life, quick charge will be more and more universal, use high power DC charging technique High-capacity direct current charger also will continue to bring out, therefore consistent with the i.e. mutual operation of electric automobile interaction for direct-current charging post Property require the most even more important.At present, the mutually behaviour's property between direct-current charging post and electric automobile does not the most cause that related personnel's is enough Pay attention to, and energy is focused in the performance of charger, to the phase between electric automobile with direct-current charging post by research staff mostly Interoperability does not also have effective detection means and tests equipment accordingly, often the anticipated generation less than accident and then carry out The step for that inspection being ignored in the most random simple inspection the most at all, or just check after accident occurs, basic nothing Method realizes comprehensive between direct-current charging post and electric automobile and has the interoperability of emphasis to detect.
Utility model content
This utility model for prior art cannot realize between direct-current charging post and electric automobile interoperability detection, i.e. for Based between direct-current charging post and electric automobile the direct-current charging post interface of " bridge " comprehensively and have the interoperability of emphasis Property the problem that lacks of detection equipment, it is proposed that a kind of electric automobile direct-current charging post interface circuit simulator, use based on detection single The simulator framework of unit, it is achieved that can be with comprehensive interoperability concordance of 9 contacts of charging pile accessory power outlet of connecting electric automobile Detection, and special ground protection detection, enrich direct-current charging post charging and use detection means, improve the comprehensive of detection Property and stressing property and electric automobile safety in utilization and reliability, reduce electric automobile accident rate.
The technical solution of the utility model is as follows:
A kind of electric automobile direct-current charging post interface circuit simulator, it is characterised in that include charging pile accessory power outlet, unidirectional current Source positive terminal, DC power cathode binding post, control communication bus interface, loop resistance, variable resistance, accessory power supply Positive pole, accessory power supply negative pole, several detector units and several disconnecting switch, described detector unit all includes detection switch And detecting the standard acquisition interface that switch ends is respectively provided with, described charging pile accessory power outlet at least has 9 contacts, described 9 contacts include DC power anode contact, DC power cathode contact, protective grounding contact, charging communication high level (CAN_H) contact, charging communication low level (CAN_L) contact, the first charging connection confirm contact, the second charging connection Confirming contact, accessory power supply positive contact and accessory power supply negative contact terminal, described DC power anode contact is single by the first detection Unit connects between DC power anode binding post, and described first detector unit and DC power anode binding post by the first isolation Switch ground connection;Described DC power cathode contact connects DC power cathode binding post, and described second by the second detector unit By the second disconnecting switch ground connection between detector unit and DC power cathode binding post;Described protective grounding contact is by the 3rd inspection Survey unit and be simultaneously connected with the earth terminal of control communication bus interface and variable-resistance one end;Described charging communication high level (CAN_H) contact connects high level (CAN_H) end controlling communication bus interface by the 4th detector unit, and described By the 3rd disconnecting switch ground connection between 4th detector unit and high level (CAN_H) end controlling communication bus interface;Described Charging communication low level (CAN_L) contact connects the low level (CAN_L) controlling communication bus interface by the 5th detector unit By the 4th disconnecting switch between end, and described 5th detector unit and low level (CAN_L) end controlling communication bus interface Ground connection;Described first charging connection confirms contact one end by the 6th detector unit link circuit resistance, and described 6th detection By the 5th disconnecting switch ground connection between unit and loop resistance, the other end of described loop resistance connects another DC source;Institute State second charging connection confirm contact by the 7th detector unit connect the variable-resistance other end, and described 7th detector unit and By the 6th disconnecting switch ground connection between variable resistance, the described variable-resistance other end connects described also by the 7th disconnecting switch One end of loop resistance;Described accessory power supply positive contact connects accessory power supply positive pole, and the described 8th by the 8th detector unit By the 8th disconnecting switch ground connection between detector unit and accessory power supply positive pole;Described accessory power supply negative contact terminal is by the 9th detection Unit connects between accessory power supply negative pole, and described 9th detector unit and accessory power supply negative pole by the 9th disconnecting switch ground connection.
Described variable resistance is continuously adjustabe resistance.
Described variable-resistance resistance at least includes 500 Ω, 970 Ω, 1000 Ω, 1030 Ω and 2000 Ω.
Also including that cabinet installed by simulator, described charging pile accessory power outlet, DC power anode binding post, DC power cathode connect Terminal, control communication bus interface, loop resistance, variable resistance, accessory power supply positive pole, accessory power supply negative pole, respectively detect list First and each disconnecting switch is all encapsulated in simulator and installs in cabinet.
Also include current sensor, described DC power anode contact by the first detector unit and through between current sensor in succession Connect DC power anode binding post, described in be indirectly connected with referring to: described first detector unit outlet through one end of current sensor, DC power anode binding post is connected by the other end of current sensor;The secondary side line of described current sensor connects additionally respectively Standard acquisition interface.
Detection switch in described 8th detector unit, detection switch, the 8th disconnecting switch and the 9th in the 9th detector unit every Leave pass and be protection switch;The rated current of described protection switch is 20A.
The rated current of described DC power anode binding post and DC power cathode binding post is 125A or 250A;Described loop The Standard resistance range of resistance is at least to include 970 Ω-1030 Ω;The voltage range of the DC source that the other end of described loop resistance connects For 12V-24V.
Described standard acquisition interface and control communication bus interface and be for the needle-inserted of signals collecting or plug-in or plug-type Terminal.
Described detection switch for dialing or the adhesive switch element of disconnecting link formula or piano type or knob, and/or, described in keep apart Close as dialing or the adhesive switch element of disconnecting link formula or piano type or knob.
Described variable resistance uses resistor load box or slide resistor or aluminum casing resistor or ceramic resistor or chromatic circle resistance or alloy electricity Resistance.
Technique effect of the present utility model is as follows:
This utility model relates to a kind of electric automobile direct-current charging post interface circuit simulator, and this simulator includes that charging pile output is inserted Seat, DC power anode binding post, DC power cathode binding post, control communication bus interface, variable resistance, loop resistance, Accessory power supply positive pole, accessory power supply negative pole, several detector units and several disconnecting switch, detector unit all includes detection Switch and the standard acquisition interface being respectively provided with in detection switch ends, above-mentioned each components and parts based on detector unit and are kept apart Pass is interconnected with one another, cooperating.The utility model proposes uses simulator framework based on detector unit, can be used for mould Intend electric automobile direct-current charging post charging inlet circuit, outfit standard signals collecting interface, possess direct-current charging post and electric automobile Between interface each contact working state signal acquisition function, the data signals such as each interface pin voltage, electric current, waveform can be entered Row gathers, and coordinates detection switch and the disconnection of disconnecting switch and Guan Bi, it is possible to achieve the charging pile for connecting electric automobile exports 9 contacts of socket (at least include DC power anode contact, DC power cathode contact, protective grounding contact, charging communication High level (CAN_H) contact, charging communication low level (CAN_L) contact, the first charging connection confirm contact, second fill Electrical connection confirms contact, accessory power supply positive contact and accessory power supply negative contact terminal) (the such as communication of interoperability consistency detection Fault, CC (charging connection confirmation) interruption, CC ground connection, CC circuit controls guide resistance change test, switch S The various fault condition detection such as disconnection, interface each contact contact fault over the ground) and special ground protection detects, and (i.e. PE breaks Pin is tested), with the overall process duty of interface each during analog simulation charging electric vehicle, and each contact broken needle, can connect The various fault simulating functions such as ground, electric leakage, and possess direct-current charging post accessory power supply output analog functuion.New based on this practicality The simulator that type proposes, it is possible to achieve the reasonability of interoperability detection between direct-current charging post and electric automobile is judged, in simulation During simulating electric vehicle charging, by regulating variable-resistance change in resistance, in conjunction with loop resistance, (i.e. charging connection confirms Loop resistance, it is also possible to be referred to as measure loop resistance), the mutual behaviour between detection charger (i.e. direct-current charging post) and electric automobile The property made is the most consistent, checks that electric automobile the most normally starts, the most correctly sends message information etc.;By switch (detection Switch and disconnecting switch) break-make analog simulation charging pile each road contact or several roads contact to earth fault, broken needle test etc., with Time judge whether electric automobile reports to the police or take corresponding measure, it is also possible to further by general acquisition interface gather voltage, electric current The data outputs such as signal or its signaling switch state, it is possible to use the equipment such as power analyzer and wave recording device to carry out data and divide Analysis processes or carries out data backup.The simulator that the utility model proposes, thoroughly solves electric automobile direct-current charging post with electronic The detection means of automobile interoperation test and a shortage difficult problem for test, enrich direct-current charging post charging and use detection means, improve Comprehensive and the stressing property of detection and electric automobile safety in utilization and reliability, reduce charging electric vehicle accident and occur Rate.
Accompanying drawing explanation
Fig. 1 is a kind of preferred structure schematic diagram of this utility model electric automobile direct-current charging post interface circuit simulator.
In figure, each label lists as follows:
Cabinet installed by 1-simulator;2-charging pile accessory power outlet;3-detector unit;301-the first detector unit;302- Two detector units;303-the 3rd detector unit;304-the 4th detector unit;305-the 5th detector unit;306-the 6th examines Survey unit;307-the 7th detector unit;308-the 8th detector unit;309-the 9th detector unit;4a-detection switch is (general Open up pass);4b-detection switch (protection switch);5-standard acquisition interface;6a-DC power anode binding post;6b-is straight Stream power cathode binding post;7-variable resistance;8-controls communication bus interface;9-loop resistance;10-accessory power supply;11 -simulator on and off switch;12-current sensor;13-disconnecting switch;1301-the first disconnecting switch;1302-second every Leave pass;1303-the 3rd disconnecting switch;1304-the 4th disconnecting switch;1305-the 5th disconnecting switch;1306-the 6th every Leave pass;1307-the 7th disconnecting switch;1308-the 8th disconnecting switch;1309-the 9th disconnecting switch.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is illustrated.
This utility model relates to a kind of electric automobile direct-current charging post interface circuit simulator, is illustrated in figure 1 this direct-current charging post A kind of preferred structure schematic diagram of interface circuit simulator, including charging pile accessory power outlet 2, DC power anode binding post 6a, If DC power cathode binding post 6b, control communication bus interface 8, variable resistance 7, loop resistance 9, accessory power supply 10 Dry detector unit 3 and several disconnecting switch 13, and simulator on and off switch 11 is correspondingly set with this mould of centralized Control Intending being switched on or off of device, wherein, each detector unit all includes detection switch (detection switch (regular tap) 4a and an inspection Slowdown monitoring switch (protection switch) 4b) and a standard acquisition interface 5 respectively connecting of its two ends, standard acquisition interface 5 can use Can be used in the needle-inserted of signals collecting, plug-in or plug-type binding post;Charging pile accessory power outlet 2 is charging electric vehicle With the standard socket connected, 9 contacts of the standard current-carrying capacity of regulation in total national standard, these 9 contacts at least include directly Stream positive source (DC+) contact, DC power cathode (DC-) contact, protective grounding (PE) contact, charging communication height Level CAN_H (S+) contact, charging communication low level CAN_L (S-) contact, the first charging connection confirm (CC1) Contact, the second charging connection confirm that (CC2) contact, accessory power supply positive pole (A+) contact and accessory power supply negative pole (A-) touch Head, wherein, by the first detector unit 301, (i.e. DC power anode DC+ detects DC power anode (DC+) contact Unit) connect and pass through between DC power anode binding post 6a, and the first detector unit 301 and DC power anode binding post 6a First disconnecting switch 1301 ground connection;DC power cathode (DC-) contact by the second detector unit 302, (i.e. bear by DC source Pole DC-detector unit) connect DC power cathode binding post 6b, and the second detector unit 302 and DC power cathode wiring By the second disconnecting switch 1302 ground connection between post 6b;DC power anode binding post 6a and DC power cathode binding post 6b Rated current could be arranged to 125A or 250A;Protective grounding (PE) contact (is i.e. protected by the 3rd detector unit 303 Ground connection PE detector unit) it is simultaneously connected with earth terminal and the one end of variable resistance 7 controlling communication bus interface 8;Charging Communication CAN_H (S+) contact is by the 4th detector unit 304 (i.e. charging communication high level CAN_H, S+ detector unit) Connect high level (CAN_H) end controlling communication bus interface 8, and the 4th detector unit 304 and control communication bus interface By the 3rd disconnecting switch 1303 ground connection between the high level end of 8;Charging communication CAN_L (S-) contact is single by the 5th detection Unit 305 (i.e. charging communication low level CAN_L, S-detector unit) connects the low level controlling communication bus interface 8 (CAN_L) keep apart by the 4th between end, and the 5th detector unit 305 and the CAN_L controlling communication bus interface 8 Close 1304 ground connection;To sum up, control communication bus interface 8 can use and can be used in the needle-inserted of signals collecting, plug-in or insert Hair style binding post, and at least there are 3 binding posts;First charging connection confirms that (CC1) contact is single by the 6th detection One end of unit 306 (i.e. charging connection confirms CC1 detector unit) link circuit resistance 9, and the 6th detector unit 306 He By the 5th disconnecting switch 1305 ground connection between loop resistance 9, the other end of loop resistance 9 connects another DC source (generally Connect the positive pole of DC source), the voltage range of this DC source is 12V-24V, can be preferably 12V or 24V, can adopt With exporting the power supply of direct current 12V or 24V, set of cells, cell panel or other power supply module, loop resistance 9 is charging Connect and confirm loop resistance, it is also possible to being referred to as measure loop resistance, the Standard resistance range of loop resistance 9 can be at least to include 970 Ω-1030 Ω, can be preferably 1k Ω;Second charging connection confirms that (CC2) contact is by the 7th detector unit 307 (i.e. Charging connection confirms CC2 detector unit) connect the other end of variable resistance 7, and the 7th detector unit 307 and variable resistance By the 6th disconnecting switch 1306 ground connection between 7, the other end of described variable resistance 7 is also by the 7th disconnecting switch 1307 even Connecing one end of loop resistance 9, variable resistance 7 can be the most uninterrupted adjustable resistance, to ensure that variable resistance 7 is when test The seriality of work, i.e. will not produce impact because of the adjustment of variable resistance 7 to test, can use knob variable resistance Or tuning knob formula variable resistance or slidingtype variable resistance, can use and can export the resistor load box of necessary resistance resistance, slip Resistor, aluminum casing resistor, ceramic resistor, chromatic circle resistance or resistance alloys etc., in the present embodiment its resistance at least include 500 Ω, 970 Ω, 1000 Ω, 1030 Ω and 2000 Ω;Accessory power supply positive pole (A+) contact (is i.e. assisted by the 8th detector unit 308 Positive source A+ detector unit) connect the positive pole of accessory power supply 10, and the 8th detector unit 308 and accessory power supply 10 are just By the 8th disconnecting switch 1308 ground connection between pole;Accessory power supply negative pole (A-) contact is (the most auxiliary by the 9th detector unit 309 Help positive source A-detector unit) connect the negative pole of accessory power supply 10, and the 9th detector unit 309 and accessory power supply 10 By the 9th disconnecting switch 1309 ground connection between negative pole;Accessory power supply 10 can use the electricity that can export direct current 12V or 24V Source, set of cells, cell panel or other power supply module.Above-mentioned each switch can according to practical situations arrange rated current (or Rated voltage), accessory power supply positive pole (A+) contact in the present embodiment and the 8th of the connection of accessory power supply negative pole (A-) contact the Detector unit 308 and the 9th detector unit 309 (i.e. accessory power supply positive pole A+ detector unit and accessory power supply positive pole A-detection Unit) in the 8th detection switch 4b and the 9th detection switch 4b be disposed as protection switch, the 8th disconnecting switch 1308 and the Nine disconnecting switch 1309 are also configured as protection switch, and the rated current of protection switch is 20A;In addition other detector unit In detection switch be disposed as regular tap the most as shown in Figure 1 detection switch 4a, other disconnecting switch (the first disconnecting switch 1301 to the 7th disconnecting switch 1307) it is disposed as regular tap, the rated current of regular tap is 2A;The choosing of above-mentioned switch Select set-up mode and be not limited to this, rationally can arrange according to practical situations, as long as can be used in the adhesive of corresponding loop and energy Enough meet corresponding loop loading demands, and detect switch 4a, ab and disconnecting switch 13 all can use dialing, The adhesive switch elements such as disconnecting link formula, piano type or knob.
In the present embodiment preferably by current sensor 12, it is achieved DC power anode (DC+) contact is by the first detection Unit 301 (i.e. DC power anode DC+ detector unit) is indirectly connected with DC power anode binding post 6a, i.e. DC source Positive pole (DC+) contact connects DC power anode binding post 6a by the first detector unit 301 via current sensor 12, tool Body is, the first detector unit 301, through one end of current sensor 12, is reconnected direct current by the other end of current sensor 12 Positive source binding post 6a, current sensor 12 can use Hall element or the diverter etc. that can be used in current acquisition, And the secondary side line of current sensor 12 connects other standard acquisition interface 5 respectively to carry out DC power anode DC+ line The current data collection on road and output.The electric automobile direct-current charging post interface circuit simulator that the utility model proposes, respectively detects Unit 3 all include a detection switch (detection switch (regular tap) 4a and detection switch (protection switch) 4b) and its two Hold a standard acquisition interface 5 of each connection, above-mentioned each assembly or components and parts based on each detector unit 3 and disconnecting switch 13 that This is connected with each other, and is somebody's turn to do simulator framework based on detector unit 3, can be used for simulating electric automobile direct-current charging post charging inlet, Possess each contact of the interface between direct-current charging post and electric automobile working state signal acquisition function, coordinate detection switch 4a, 4b Disconnection with disconnecting switch 13 and Guan Bi, it is possible to achieve for the mutual behaviour of 9 contacts of charging pile accessory power outlet of connecting electric automobile Make consistency detection (such as communication cut-off, CC (charging connection confirmations) interruption, CC ground connection, CC circuit controls guiding resistance The various fault condition detection such as test) and special ground protection detection (i.e. the test of PE broken needle), electric automobile can be simulated The overall process duty of each interface in charging process, and the various fault simulating functions such as each contact broken needle, ground connection, electric leakage, Enrich direct-current charging post charging and use detection means, improve the comprehensive of detection and stressing property and electric automobile uses safety Property and reliability, reduce electric automobile accident rate.
Additionally, each comprising modules of this direct-current charging post interface circuit simulator in the present embodiment or device are all encapsulated in one Can install in cabinet 1 by the i.e. simulator of portable mobile device, the case material installing cabinet 1 can use irony, wooden, aluminum conjunction The gold various materials such as material, be for support, protect and install charging pile accessory power outlet 2, DC power anode binding post 6a, If DC power cathode binding post 6b, control communication bus interface 8, variable resistance 7, loop resistance 9, accessory power supply 10 Dry each comprising modules or the carrier of components and parts such as detector unit 3 and several disconnecting switch 13, and each comprising modules or unit Device arranged by rational deployment and then decrease this direct-current charging post interface circuit simulator take up space i.e. reduce simulator install Cabinet 1 volume and cost, the direct-current charging post interface circuit simulator after encapsulation can reduce or remit water enchroachment (invasion), humidity or concussion further The device damage caused Deng contingency, improves reliability and the service life of this direct-current charging post interface circuit simulator, with Time encapsulation after small size can be portable simulator install cabinet 1 be highly suitable for carrying to any place needing and detecting on the spot.
Container in the emulation testing that the electric automobile direct-current charging post interface circuit simulator that employing the utility model proposes can realize Body is described as follows and (refers to Fig. 1, it is understood that for being this utility model electric automobile direct-current charging post interface circuit simulator Operation principle or using method):
First charging pile accessory power outlet 2 is mutually plugged together with electric automobile vehicle plug;By DC power anode binding post 6a with straight Stream power cathode binding post 6b connects rated voltage positive source (i.e. external direct current power supply positive pole) respectively and rated voltage power supply is born Pole (i.e. external direct current power supply negative pole), and open simulator on and off switch 11 so that simulator electrifying startup;
(1) normal charging condition test
By the disconnecting switch 13 of each connection ground connection, (the first disconnecting switch 1301 is to the 6th disconnecting switch the 1306, the 8th disconnecting switch 1308 and the 9th disconnecting switch 1309) all disconnect and by other detection switch (regular tap 4a and protection switch 4b) and the Seven disconnecting switch 1307 all close, and are such as set to 1000 Ω in the range of the resistance of variable resistance 7 is arranged on 970 Ω-1030 Ω, Appoint in the range of turn or transfer or slip variable resistance 7 (include 970 Ω and 1030 Ω) in the range of 970 Ω-1030 Ω further Meaning value, connects the standard acquisition interface 5 of each contact of charging pile accessory power outlet 2 or from each detector unit from each detector unit 3 In 3, another standard acquisition interface 5 is drawn data acquisition line concentration and exports collection data.The collection data of the most above-mentioned output should be able to Enough directly or indirectly show normal charging condition and the output of alarm free information now for electric automobile;Otherwise will send correspondingly event Barrier is reported to the police, such as flashing light or prompt tone, it is also possible to arrange the warning of different mode according to different faults.
(2) PE earth fault test
By respectively detecting switch (regular tap 4a and protection switch 4b) all Guan Bis and connecting ground connection by each in each detector unit 3 Disconnecting switch 13 close the most successively or disconnect, from each detector unit 3 connect each contact of charging pile accessory power outlet 2 standard adopt Collection interface 5 or from each detector unit 3 another standard acquisition interface 5 draw data acquisition line concentration and export collection data.Now go up Stating the collection data of output, should be able to directly or indirectly to provide other 8 contacts (DC power anode (DC+) contact, straight Stream power cathode (DC-) contact, charging communication high level CAN_H (S+) contact, charging communication low level CAN_L (S-) Contact, charging connection confirm that (CC1) contact, another charging connection confirm (CC2) contact, accessory power supply positive pole (A+) Contact and accessory power supply negative pole (A-) contact) relative to protective grounding (PE) the contact i.e. the simulation results of " ground connection ".
(3) abnormal condition test
A () charging starts preceding switch and disconnects
The switch (regular tap 4a and protection switch 4b) that respectively detects in each detector unit 3 is all disconnected, from each detector unit 3 The standard acquisition interface 5 of each contact of middle connection charging pile accessory power outlet 2 is drawn data acquisition line concentration and exports collection data.Now go up The collection data stating output should be able to directly or indirectly show that now electric automobile is non-charged state (i.e. not starting to charge up);No Then will send correspondingly fault alarm, such as flashing light or prompt tone, it is also possible to the warning of different mode is set according to different faults.
(b) charging process breaker in middle cut-off/close
Keep each disconnecting switch 13 connecting ground connection all to disconnect, disconnect other any one detection switch (regular tap 4a and guarantor Protect switch 4b) and keep other detection switch (regular tap 4a and protection switch 4b) and the 7th disconnecting switch 1307 all to close, Or disconnect the 7th disconnecting switch 1307 and keep other detection switch (regular tap 4a and protection switch 4b) all to close, from respectively Detector unit 3 connects the standard acquisition interface 5 of each contact of charging pile accessory power outlet 2 and/or another is marked from each detector unit 3 The output of quasi-acquisition interface 5 gathers data.It is (straight that the collection data of the most above-mentioned output should be able to directly or indirectly provide 9 contacts Stream positive source (DC+) contact, DC power cathode (DC-) contact, protective grounding (PE) contact, charging communication height Level CAN_H (S+) contact, charging communication low level CAN_L (S-) contact, charging connection confirm (CC1) contact, Another charging connection confirms (CC2) contact, accessory power supply positive pole (A+) contact and accessory power supply negative pole (A-) contact) phase The simulation results answered.Such as:
I, when charging process break DC power anode (DC+) contact corresponding detection switch (regular tap) 4a (i.e. DC power anode DC+ detection in detector unit (the first detector unit 301) switchs (regular tap) 4a), or disconnect Detection switch (regular tap) 4a (i.e. DC power cathode DC-detector unit that DC power cathode (DC-) contact is corresponding Detection switch (regular tap) 4a in (the second detector unit 302)), the collection data of the most above-mentioned output should be able to be straight Connect or indirectly show that electric automobile can not charge normal (other function is normal) and send correspondingly fault alarm, such as flashing light Or prompt tone, it is also possible to the warning of different mode is set according to different faults;
When detection switch (regular tap) 4a (i.e. unidirectional current that DC power anode (DC+) contact in charging process is corresponding Detection switch (regular tap) 4a in source positive pole DC+ detector unit (the first detector unit 301)) remain closed, or Detection switch (regular tap) 4a (i.e. DC power cathode DC-detector unit that DC power cathode (DC-) contact is corresponding Detection switch (regular tap) 4a in (the second detector unit 302)) remain closed, the collection data of the most above-mentioned output Can directly or indirectly show that electric automobile can charge normal (other function is normal).
II, when charging process break protective grounding (PE) contact corresponding detection switch (regular tap) 4a (i.e. protect Ground connection PE detection in detector unit (the 3rd detector unit 303) switchs (regular tap) 4a), the most above-mentioned output Gather data should be able to directly or indirectly provide protective grounding PE fault and send correspondingly insulation fault warning, such as flashing light Or prompt tone, it is also possible to the warning of different mode is set according to different faults.Above-mentioned test can be referred to as the test of PE broken needle.
III, when charging process break charging communication high level CAN_H (S+) contact corresponding detection switch (commonly open Closing) (i.e. charging communication high level CAN_H, the detection switch in S+ detector unit (the 4th detector unit 304) is (general for 4a Open up pass) 4a), or disconnect detection switch (regular tap) 4a corresponding to charging communication low level CAN_L (S-) contact (i.e. Charging communication low level CAN_L, S-detection in detector unit (the 5th detector unit 305) switchs (regular tap) 4a), The collection data of the most above-mentioned output should be able to directly or indirectly show that electric automobile and direct-current charging post cannot normal communication and electricity Electrical automobile cannot charge normal (other function is normal) and send correspondingly fault alarm, such as flashing light or prompt tone, it is also possible to The warning of different mode is set according to different faults;
The detection corresponding when charging communication high level CAN_H (S+) contact in charging process switchs (regular tap) 4a (i.e. Charging communication high level CAN_H, the S+ detection in detector unit (the 4th detector unit 304) switchs (regular tap) 4a) Remain closed, or detection switch (regular tap) 4a corresponding to charging communication low level CAN_L (S-) contact (i.e. charging is logical Letter low level CAN_L, S-detection in detector unit (the 5th detector unit 305) switchs (regular tap) 4a) keep Guan Bi, the collection data of the most above-mentioned output can directly or indirectly show that electric automobile can charge normal (other function is normal).
IV, when charging process break charging connection confirm (CC2) contact corresponding detection switch (regular tap) 4a (i.e. Charging connection confirms that CC2 detection in detector unit (the 7th detector unit 307) switchs (regular tap) 4a), now go up State the collection data of output should be able to directly or indirectly show that electric automobile cannot charge normal with direct-current charging post and be connected (other Function is normal), then electric automobile stops charging at once and sends correspondingly fault alarm, such as flashing light or prompt tone, it is also possible to root The warning of different mode is set according to different faults;
When in charging process, charging connection confirms that detection switch (regular tap) 4a that (CC2) contact is corresponding (i.e. charges even Meet detection switch (regular tap) 4a confirmed in CC2 detector unit (the 7th detector unit 307)) remain closed, this The collection data of Shi Shangshu output can directly or indirectly show that electric automobile can charge normal (other function is normal).
V, when breaking detection switch (protection switch) corresponding to accessory power supply positive pole (A+) contact in charging process, 4b is (i.e. Accessory power supply positive pole A+ detection in detector unit (the 8th detector unit 308) switchs (protection switch) 4b), or disconnect Detection switch (protection switch) 4b that accessory power supply negative pole (A-) contact is corresponding (i.e. accessory power supply negative pole A-detector unit (the Nine detector units 309) in detection switch (protection switch) 4b), the collection data of the most above-mentioned output should be able to directly or Indirectly show that electric automobile can not charge normal (other function is normal) and send correspondingly fault alarm, such as flashing light or carry Show sound, it is also possible to the warning of different mode is set according to different faults;
When detection switch (protection switch) 4b (the i.e. accessory power supply that accessory power supply positive pole (A+) contact in charging process is corresponding Detection switch (protection switch) 4b in positive pole A+ detector unit (the 8th detector unit 308)) remain closed, or auxiliary Detection switch (protection switch) 4b (the i.e. accessory power supply negative pole A-detector unit the (the 9th that power cathode (A-) contact is corresponding Detector unit 309) in detection switch (protection switch) 4b) remain closed, the collection data of the most above-mentioned output can be straight Connect or indirectly show that electric automobile can charge normal (other function is normal).
C in () charging process, variable resistance resistance changes
Each disconnecting switch 13 connecting ground connection is all disconnected and by other detection switch (regular tap 4a and protection switch 4b) with And the 7th disconnecting switch 1307 all close, change the resistance of variable resistance 7, and resistance is arranged on 500 Ω-970 Ω (does not includes 970 Ω) and 1030 Ω-2000 Ω (not including 1030 Ω) in the range of be such as set to 500 Ω or 2000 Ω, further turn or Transfer or slip variable resistance 7 is in 500 Ω-970 Ω (not including 970 Ω) or 1030 Ω-2000 Ω (not including 1030 Ω) scopes Interior arbitrarily value;The standard acquisition interface 5 of each contact of charging pile accessory power outlet 2 is connected or from each detection from each detector unit 3 In unit 3, another standard acquisition interface 5 is drawn data acquisition line concentration and exports collection data.The collection data of the most above-mentioned output should This can directly or indirectly show now improper charged state (the now resistance of the equivalent resistance in corresponding loop for electric automobile Value is in non-normal range 970 Ω-1030 Ω), and send correspondingly fault alarm, such as flashing light or prompt tone, it is also possible to according to Different faults arranges the warning of different mode.
Selection mode and the curriculum offering of the above-mentioned several emulation testings illustrated are not limited to this, can be according to practical situations Rationally arrange, as long as can be based on the electric automobile direct-current charging post interface circuit simulator that the utility model proposes and disclosure satisfy that The actual test request of electric automobile DC charging.
It should be pointed out that, that the above detailed description of the invention can make those skilled in the art that the invention is more fully understood, But limit the invention never in any form.Therefore, although the invention is entered by this specification referring to the drawings with embodiment Gone detailed description, it will be understood by those skilled in the art, however, that still the invention can be modified or etc. With replacing, in a word, all are without departing from the technical scheme of the spirit and scope of the invention and improvement thereof, and it all should be contained at this In the middle of the protection domain of patented invention-creation.

Claims (10)

  1. null1. an electric automobile direct-current charging post interface circuit simulator,It is characterized in that,Including charging pile accessory power outlet、DC power anode binding post、DC power cathode binding post、Control communication bus interface、Loop resistance、Variable resistance、Accessory power supply positive pole、Accessory power supply negative pole、Several detector units and several disconnecting switch,Described detector unit all includes detection switch and the standard acquisition interface being respectively provided with in detection switch ends,Described charging pile accessory power outlet at least has DC power anode contact、DC power cathode contact、Protective grounding contact、Charging communication high level (CAN_H) contact、Charging communication low level (CAN_L) contact、First charging connection confirms contact、Second charging connection confirms contact、Accessory power supply positive contact and accessory power supply negative contact terminal,Described DC power anode contact connects DC power anode binding post by the first detector unit,And by the first disconnecting switch ground connection between described first detector unit and DC power anode binding post;Described DC power cathode contact is connected between DC power cathode binding post, and described second detector unit and DC power cathode binding post by the second disconnecting switch ground connection by the second detector unit;Described protective grounding contact is simultaneously connected with by the 3rd detector unit and controls the earth terminal of communication bus interface and variable-resistance one end;The high level (CAN_H) that described charging communication high level (CAN_H) contact connects control communication bus interface by the 4th detector unit is held, and by the 3rd disconnecting switch ground connection between described 4th detector unit and high level (CAN_H) end controlling communication bus interface;The low level (CAN_L) that described charging communication low level (CAN_L) contact connects control communication bus interface by the 5th detector unit is held, and by the 4th disconnecting switch ground connection between described 5th detector unit and low level (CAN_L) end controlling communication bus interface;Described first charging connection confirms contact one end by the 6th detector unit link circuit resistance, and by the 5th disconnecting switch ground connection between described 6th detector unit and loop resistance, the other end of described loop resistance connects another DC source;Described second charging connection confirms that contact connects the variable-resistance other end by the 7th detector unit, and by the 6th disconnecting switch ground connection between described 7th detector unit and variable resistance, the described variable-resistance other end connects one end of described loop resistance also by the 7th disconnecting switch;Described accessory power supply positive contact is connected between accessory power supply positive pole, and described 8th detector unit and accessory power supply positive pole by the 8th disconnecting switch ground connection by the 8th detector unit;Described accessory power supply negative contact terminal is connected between accessory power supply negative pole, and described 9th detector unit and accessory power supply negative pole by the 9th disconnecting switch ground connection by the 9th detector unit.
  2. Electric automobile direct-current charging post interface circuit simulator the most according to claim 1, it is characterised in that described variable resistance is continuously adjustabe resistance.
  3. Electric automobile direct-current charging post interface circuit simulator the most according to claim 2, it is characterised in that described variable-resistance resistance at least includes 500 Ω, 970 Ω, 1000 Ω, 1030 Ω and 2000 Ω.
  4. Electric automobile direct-current charging post interface circuit simulator the most according to claim 1, it is characterized in that, also including that cabinet installed by simulator, described charging pile accessory power outlet, DC power anode binding post, DC power cathode binding post, control communication bus interface, loop resistance, variable resistance, accessory power supply positive pole, accessory power supply negative pole, each detector unit and each disconnecting switch are all encapsulated in simulator and install in cabinet.
  5. 5. according to the electric automobile direct-current charging post interface circuit simulator one of Claims 1-4 Suo Shu, it is characterized in that, also include current sensor, described DC power anode contact is indirectly connected with DC power anode binding post by the first detector unit and through current sensor, described being indirectly connected with refers to: described first detector unit outlet, through one end of current sensor, is connected DC power anode binding post by the other end of current sensor;The secondary side line of described current sensor connects other standard acquisition interface respectively.
  6. Electric automobile direct-current charging post interface circuit simulator the most according to claim 1, it is characterised in that the detection switch in described 8th detector unit, detection switch, the 8th disconnecting switch and the 9th disconnecting switch in the 9th detector unit are protection switch;The rated current of described protection switch is 20A.
  7. Electric automobile direct-current charging post interface circuit simulator the most according to claim 6, it is characterised in that the rated current of described DC power anode binding post and DC power cathode binding post is 125A or 250A;The Standard resistance range of described loop resistance is at least to include 970 Ω-1030 Ω;The voltage range of the DC source that the other end of described loop resistance connects is 12V-24V.
  8. 8. according to the electric automobile direct-current charging post interface circuit simulator one of Claims 1-4 Suo Shu, it is characterised in that described standard acquisition interface and control communication bus interface and be for the needle-inserted of signals collecting or plug-in or the terminal of plug-type.
  9. 9. according to the electric automobile direct-current charging post interface circuit simulator one of Claims 1-4 Suo Shu, it is characterized in that, described detection switch is dialing or the adhesive switch element of disconnecting link formula or piano type or knob, and/or, described disconnecting switch is the adhesive switch element of dialing or disconnecting link formula or piano type or knob.
  10. 10. according to the electric automobile direct-current charging post interface circuit simulator described in Claims 2 or 3, it is characterised in that described variable resistance uses resistor load box or slide resistor or aluminum casing resistor or ceramic resistor or chromatic circle resistance or resistance alloys.
CN201620119449.4U 2016-02-05 2016-02-05 Electric automobile direct current fills electric pile interface circuit simulator Withdrawn - After Issue CN205581221U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620119449.4U CN205581221U (en) 2016-02-05 2016-02-05 Electric automobile direct current fills electric pile interface circuit simulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620119449.4U CN205581221U (en) 2016-02-05 2016-02-05 Electric automobile direct current fills electric pile interface circuit simulator

Publications (1)

Publication Number Publication Date
CN205581221U true CN205581221U (en) 2016-09-14

Family

ID=56869799

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620119449.4U Withdrawn - After Issue CN205581221U (en) 2016-02-05 2016-02-05 Electric automobile direct current fills electric pile interface circuit simulator

Country Status (1)

Country Link
CN (1) CN205581221U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105548780A (en) * 2016-02-05 2016-05-04 北京群菱能源科技有限公司 Electric automobile DC charging pile interface circuit simulator
CN106771701A (en) * 2016-11-15 2017-05-31 中国电力科学研究院 A kind of electric vehicle charge interface uniformity automated detection system and method
CN109975583A (en) * 2019-03-28 2019-07-05 浙江华云清洁能源有限公司 A kind of interface equipment for alternating-current charging pile test
CN113702732A (en) * 2021-08-17 2021-11-26 贵州电网有限责任公司 Portable direct current charging pile fault testing system and detection method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105548780A (en) * 2016-02-05 2016-05-04 北京群菱能源科技有限公司 Electric automobile DC charging pile interface circuit simulator
CN105548780B (en) * 2016-02-05 2018-10-09 北京群菱能源科技有限公司 A kind of electric vehicle direct-current charging post interface circuit simulator
CN106771701A (en) * 2016-11-15 2017-05-31 中国电力科学研究院 A kind of electric vehicle charge interface uniformity automated detection system and method
CN109975583A (en) * 2019-03-28 2019-07-05 浙江华云清洁能源有限公司 A kind of interface equipment for alternating-current charging pile test
CN113702732A (en) * 2021-08-17 2021-11-26 贵州电网有限责任公司 Portable direct current charging pile fault testing system and detection method thereof

Similar Documents

Publication Publication Date Title
CN105548780B (en) A kind of electric vehicle direct-current charging post interface circuit simulator
CN106226610B (en) A kind of direct-current charging interface of electric automobile test macro and test method
WO2018064861A1 (en) Dual-connector electric car direct current charging pile
CN105548784A (en) Electric vehicle direct-current interface circuit simulator
CN205581221U (en) Electric automobile direct current fills electric pile interface circuit simulator
CN104620117B (en) Power supply apparatus
CN213183232U (en) Intelligent power battery module training platform for small vehicle
CN207263852U (en) A kind of test system of electric automobile direct-current charging post
CN210270021U (en) Direct current fills electric pile testing arrangement and system
CN107284246A (en) A kind of electric automobile main contactor failure detector
CN105759208A (en) Function detection platform for battery management system for battery pack
CN212111632U (en) Fill electric pile interoperability detection device
CN207481815U (en) Electric system above and below electric automobile high-voltage
CN203858341U (en) BMS high-voltage electrifying control test box
CN204462334U (en) A kind of fault test set being applied to high-tension battery contactor
CN108365659A (en) A kind of battery module parallel connection tooling and a kind of battery module parallel system
CN104316263B (en) Pressure transducer tester and portable pressure transducer test device
CN205581225U (en) Electric automobile direct current vehicle interface circuit simulator
CN114253156B (en) DC simulation detection system
CN207366659U (en) A kind of direct-current charging post electric fault simulation system
CN201594731U (en) Intelligent photovoltaic array lightning-proof header box
CN208477033U (en) Alternating-current charging stake field test equipment
CN208672782U (en) A kind of battery current measuring device
CN114167268A (en) Circuit breaker characteristic test auxiliary device
CN202838014U (en) Integrated testing device of power battery management system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20160914

Effective date of abandoning: 20181009

AV01 Patent right actively abandoned