CN106872835A - A kind of on-site detecting device of electric automobile DC charging motor - Google Patents
A kind of on-site detecting device of electric automobile DC charging motor Download PDFInfo
- Publication number
- CN106872835A CN106872835A CN201710293011.7A CN201710293011A CN106872835A CN 106872835 A CN106872835 A CN 106872835A CN 201710293011 A CN201710293011 A CN 201710293011A CN 106872835 A CN106872835 A CN 106872835A
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- Prior art keywords
- voltage
- module
- charging motor
- electric automobile
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Classifications
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- 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
Abstract
The embodiment of the invention discloses a kind of on-site detecting device of electric automobile DC charging motor, for solving the problems, such as that current DC charging motor onsite acceptance and detection lack technological means.The embodiment of the present invention includes:Multi-tap, patchplug, data acquisition module, data processing module, display module;Multi-tap is connected with the charging plug of DC charging motor, and patchplug is connected with the charging socket of electric automobile;Data acquisition module is connected between multi-tap and patchplug, including voltage sensor and current sensor, voltage, the electric current of the voltage, electric current and the output of low pressure accessory power supply of the output dc source for gathering DC charging motor;The input of data processing module is connected with data acquisition module;Display module is connected with the output end of data processing module.
Description
Technical field
A kind of Site Detection the present invention relates to electric vehicle engineering field, more particularly to electric automobile DC charging motor is filled
Put.
Background technology
Electric automobile is China's strategic development direction, and charging electric vehicle infrastructure is new city infrastructure,
To the year two thousand twenty, China's electric automobile recoverable amount will be more than 5,000,000, and charging infrastructure will be more than 4,800,000.DC charging motor
It is electric vehicle rapid charging equipment, complex structure, technical difficulty is high, is the civilian electrical equipment that a kind of voltage is high, electric current is big,
Used as a kind of electric power utility, its function and performance are paid high attention to by the whole society.
At present, the detection of DC charging motor includes type inspection, exfactory inspection, arrival inspection etc., is all mainly in experiment
Room is carried out, but DC charging motor long-term work is in the outdoor of bad environments, by wind and weather, function damage is there may be after long-time
It is bad, the risk of hydraulic performance decline, at present due to lacking detection means and standard support, the Site Detection of DC charging motor is still in sky
White collar domain.
The content of the invention
A kind of on-site detecting device of electric automobile DC charging motor is the embodiment of the invention provides, current direct current is solved
Charger onsite acceptance and detection lack the problem of technological means.
A kind of on-site detecting device of electric automobile DC charging motor provided in an embodiment of the present invention, including:
Multi-tap, patchplug, data acquisition module, data processing module, display module;
The input of multi-tap is connected with the charging plug of DC charging motor, the output end and patchplug of multi-tap
Input connection, the output end of patchplug is connected with the charging socket of electric automobile;
Data acquisition module is connected between multi-tap and patchplug, and data acquisition module includes voltage sensor and electricity
Flow sensor, for gather the output voltage of dc source of DC charging motor, the voltage of electric current and the output of low pressure accessory power supply,
Electric current;
The input of data processing module is connected with data acquisition module, for the number of processing data acquisition module transmission
According to;
Display module is connected with the output end of data processing module, for the result of display data processing module.
Alternatively, voltage sensor and current sensor include:
Voltage sensor PT01 and current sensor CT01, is respectively used to gather the output dc source of DC charging motor
Voltage and current;
Voltage sensor PT02 and current sensor CT02, is respectively used to gather the voltage and electricity of the output of low pressure accessory power supply
Stream.
Alternatively, voltage sensor and current sensor also include:
Voltage sensor PT03, for measuring control steering signal CC1 voltages;
Voltage sensor PT04, for measuring control steering signal CC2 voltages.
Alternatively, voltage sensor is resitstance voltage divider or capacitive divider or RC divider or Hall sensor or electricity
Pressure isolating device.
Alternatively, current sensor is divertor or hall device.
Alternatively, data acquisition module also includes:
A/D change-over circuits, the input of A/D change-over circuits is connected with voltage sensor and current sensor, A/D conversion electricity
The output end on road is connected with data processing module.
Alternatively, data acquisition module also includes:
CAN message monitor, the input of CAN message monitor is connected with the CAN communication loop of multi-tap, CAN reports
The output end of literary monitor is connected with data processing module.
Alternatively, display module includes that LCDs, color/graphics, mobile phone A PP show.
Alternatively, also include:
Data output interface, data-interface is connected with display module, for exporting real time data and historical data;
Data-interface is by USB interface, too network interface, 485 serial ports, 232 serial ports, LVDS interface, WiFi module, bluetooth, small
Any one or more composition in wireless module.
Alternatively, also include:
Control power module, control power module respectively with data acquisition module, data processing module, display module, number
Connected according to output interface;
It is switching and rectifying power supply and/or linear DC power supply and/or battery to control power module.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below:
A kind of on-site detecting device of electric automobile DC charging motor is the embodiment of the invention provides, including:
Multi-tap, patchplug, data acquisition module, data processing module, display module;The input of multi-tap
It is connected with the charging plug of DC charging motor, the output end of multi-tap is connected with the input of patchplug, patchplug
Output end is connected with the charging socket of electric automobile;Data acquisition module is connected between multi-tap and patchplug, and data are adopted
Collection module includes voltage sensor and current sensor, voltage, the electric current of the output dc source for gathering DC charging motor
Voltage, the electric current exported with low pressure accessory power supply;The input of data processing module is connected with data acquisition module, for processing
The data of data acquisition module transmission;Display module is connected with the output end of data processing module, and mould is processed for display data
The result of block.When in the embodiment of the present invention by using the on-site detecting device, by filling for electric automobile direct-current charging post
Electric rifle is inserted on the multi-tap of on-site detecting device, and patchplug connects the DC charging socket of electric automobile, or connects electronic
Simulative automobile load device.Operation direct-current charging post, starts charging, stake major loop to be charged and subsidiary loop output voltage electric current
Afterwards, judge voltage x current output error, voltage x current ripple factor etc., and show on a display screen, it is current to DC charging motor
Charged state performance detected, solve current DC charging motor onsite acceptance and detection lack technological means and asks
Topic.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is the one of the structure of the on-site detecting device of a kind of electric automobile DC charging motor provided in an embodiment of the present invention
Individual embodiment;
Fig. 2 is a kind of the another of the structure of the on-site detecting device of electric automobile DC charging motor provided in an embodiment of the present invention
One embodiment.
Illustrate, A multi-taps, B patchplugs, C data acquisition module, D data processing modules, E display modules, F
Data output interface, G control power modules.
Specific embodiment
A kind of on-site detecting device of electric automobile DC charging motor is the embodiment of the invention provides, it is straight at present for solving
The onsite acceptance of current charge machine and detection lack the problem of technological means.
To enable that goal of the invention of the invention, feature, advantage are more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described, it is clear that disclosed below to the technical scheme in the embodiment of the present invention
Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Refer to Fig. 1, a kind of on-site detecting device of electric automobile DC charging motor provided in an embodiment of the present invention, bag
Include:
Multi-tap A, patchplug B, data acquisition module C, data processing module D, display module E;
The input of multi-tap A is connected with the charging plug of DC charging motor, and output end and the switching of multi-tap A are inserted
The input connection of head B, the output end of patchplug B is connected with the charging socket of electric automobile;
Data acquisition module C is connected between multi-tap A and patchplug B, and data acquisition module C includes voltage sensor
And current sensor, what the voltage for exporting dc source, electric current and low pressure accessory power supply for gathering DC charging motor were exported
Voltage, electric current;
The input of data processing module D is connected with data acquisition module C, for processing data acquisition module C transmission
Data;
Display module E is connected with the output end of data processing module D, for the result of display data processing module D.
Further, voltage sensor and current sensor include:
Voltage sensor PT01 and current sensor CT01, is respectively used to gather the output dc source of DC charging motor
Voltage and current;
Voltage sensor PT02 and current sensor CT02, is respectively used to gather the voltage and electricity of the output of low pressure accessory power supply
Stream.
Further, voltage sensor and current sensor also include:
Voltage sensor PT03, for measuring control steering signal CC1 voltages;
Voltage sensor PT04, for measuring control steering signal CC2 voltages.
Further, voltage sensor be resitstance voltage divider or capacitive divider or RC divider or Hall sensor or
Voltage isolator part.
Further, current sensor is divertor or hall device.
Further, data acquisition module C also includes:
A/D change-over circuits, the input of A/D change-over circuits is connected with voltage sensor and current sensor, A/D conversion electricity
The output end on road is connected with data processing module D.
Further, data acquisition module C also includes:
CAN message monitor, the input of CAN message monitor is connected with the CAN communication loop of multi-tap A, CAN reports
The output end of literary monitor is connected with data processing module D.
Further, display module E includes that LCDs, color/graphics, mobile phone A PP show.
Further, also include:
Data output interface F, data-interface is connected with display module E, for exporting real time data and historical data;
Data-interface is by USB interface, too network interface, 485 serial ports, 232 serial ports, LVDS interface, WiFi module, bluetooth, small
Any one or more composition in wireless module.
Further, also include:
Control power module G, control power module G respectively with data acquisition module C, data processing module D, display module
E, data output interface F are connected;
It is switching and rectifying power supply and/or linear DC power supply and/or battery to control power module G.
It is more than to a kind of structure of the on-site detecting device of electric automobile DC charging motor provided in an embodiment of the present invention
Detailed description, in order to make it easy to understand, below will to electric automobile DC charging motor provided in an embodiment of the present invention scene inspection
The each several part of structure and its function of realization for surveying device are described in detail.
Wherein, the input of multi-tap A is connected with the charging plug of DC charging motor, the output end of multi-tap A with
The input connection of patchplug B, the output end of patchplug B is connected with the charging socket of electric automobile, and multi-tap A is used for
Connection DC charging rolling stock plug, patchplug B is used for connecting electric automobile vehicle socket, multi-tap A, patchplug B
Meet GB/T 20234.1《Electric car conduction chargeable connection device part 1:General Requirement》And GB/T20234.3《Electricity
Electrical automobile conducts chargeable connection device third portion:Direct-current charging interface》In the requirement on direct-current charging interface.
Data acquisition module C includes being passed for gathering the voltage of output dc source of DC charging motor, the voltage of electric current
Sensor PT01 and current sensor CT01, the voltage of the dc source for gathering the output of low pressure accessory power supply, the voltage of electric current
Sensor PT02 and current sensor CT02, the voltage sensor PT03 for measuring control steering signal CC1 voltages, for surveying
The voltage sensor PT04, the CAN_LS (CAN message monitor) for monitoring CAN message of amount control steering signal CC2 voltages;
Wherein, voltage sensor PT01, voltage sensor PT02, voltage sensor PT03, voltage sensor PT04 can be resistance point
The sensor of the non-isolated such as depressor, capacitive divider, RC divider can also be isolated Hall sensor, current sense
Device both can be divertor, or hall device, and voltage-current sensor and CAN message monitor can be according to realities
Border function needs clipped element.
As shown in Figure 1, specifically, data acquisition module C fills the defeated of the dc source (pin 2 of pin 1) of interface to direct current respectively
Go out voltage, electric current and be acquired monitoring (PT01, CT01), the voltage, electric current to low pressure accessory power supply (pin 9 of pin 8) output are carried out
Monitoring (PT02, CT02), confirms that pin (pin 7 of pin 6) level voltage is monitored (PT03, PT04), to CAN communication to charging connection
The communication message in loop (pin 5 of pin 4) is monitored (CAN_LS).PT01 is suitably electric according to charging pile output voltage selected range
Pressure sensor (200-500V, 250-750V, 500-950V), can be non-isolated resitstance voltage divider, capacitive divider, resistance
Hold divider, or Hall-type isolation sensor or voltage isolator part.CT01 and CT02 uses current divider or Hall
Type current sensor.PT02, PT03, PT04 are low pressure sensors, gather the voltage signal of 12V, are gathered using light-coupled isolation
Mode or hall sensing mode sampled.
Data processing module D can be using embedded chips such as single-chip microcomputer, DSP, ARM, and data acquisition module C also includes A/D
Conversion chip, CAN message conversion chip etc..Data acquisition module C is gathered according to standard GB/T/T 18487《Electric automobile is passed
Lead charging system part 1:General Requirement》With energy industry standard NB/T 33001《The off-board conduction-type of electric automobile charges
Machine technical conditions》In to charger DC power output requirement, accessory power supply voltage x current requirement, control guidance circuit voltage and
The requirement of sequential is judged.According to GB/T 27930《The communication protocols of the off-board charger of electric automobile and battery management system
View》Requirement to communication message is judged CAN message.
Data disaply moudle E can using LCDs, color/graphics display mode by the place of data processing module D
Reason result directly displays out, it is also possible to shown using the mode of mobile phone A PP displays in real time.
Data output interface F is derived real time data and historical data using external interface, can use with USB interface,
Too any one mode or many such as network interface, 485 serial ports, 232 serial ports, LVDS interface, WiFi module, bluetooth, small wireless module
The combination of the mode of kind.
It should be noted that data disaply moudle E and data output interface F is nonessential option, the two possesses one i.e.
It is capable of achieving normal function.
Control power module G be used for the sensor of data acquisition module C, data processing module D, result display module E,
Data output interface F is powered, can be by the way of switching and rectifying power supply, it would however also be possible to employ battery powered mode, by
It is complicated in field condition, it is difficult to find AC power, preferably rechargeable battery the mode of power supply.
During using the on-site detecting device, the charging gun of electric automobile direct-current charging post is inserted in turning for on-site detecting device
On combination hub A, patchplug B connects the DC charging socket of electric automobile, or connects electric automobile analogue loading device.Operation is straight
Current charge stake, starts and charges, and the level of charging connection confirmation pin CC1, CC2 of charging pile is judged by on-site detecting device and is turned
Whether correct change logic, after stake major loop to be charged and subsidiary loop output voltage electric current, judge voltage x current output error, electricity
Current voltage ripple factor etc., shows on a display screen, and CAN communication message is monitored in whole process, for not meeting mark
Accurate message is judged and is alerted.
Fig. 2 is referred to, is another embodiment of the on-site detecting device of electric automobile DC charging motor, wherein, scene
Detection means only detects that charger exports the quality of electric energy, and control guiding and communications protocol are not judged.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to preceding
Embodiment is stated to be described in detail the present invention, it will be understood by those within the art that:It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic;And these
Modification is replaced, and does not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (10)
1. a kind of on-site detecting device of electric automobile DC charging motor, it is characterised in that including:
Multi-tap, patchplug, data acquisition module, data processing module, display module;
The input of the multi-tap is connected with the charging plug of DC charging motor, the output end of the multi-tap with it is described
The input connection of patchplug, the output end of the patchplug is connected with the charging socket of electric automobile;
The data acquisition module is connected between the multi-tap and the patchplug, and the data acquisition module includes electricity
Pressure sensor and current sensor, the voltage for exporting dc source, electric current and the low pressure for gathering the DC charging motor are auxiliary
Voltage, the electric current for helping power supply to export;
The input of the data processing module is connected with the data acquisition module, is passed for processing the data acquisition module
Defeated data;
The display module is connected with the output end of the data processing module, the treatment for showing the data processing module
As a result.
2. the on-site detecting device of electric automobile DC charging motor according to claim 1, it is characterised in that the voltage
Sensor and the current sensor include:
Voltage sensor PT01 and current sensor CT01, is respectively used to gather the output dc source of the DC charging motor
Voltage and current;
Voltage sensor PT02 and current sensor CT02, is respectively used to gather the voltage and electricity of the low pressure accessory power supply output
Stream.
3. the on-site detecting device of electric automobile DC charging motor according to claim 2, it is characterised in that the voltage
Sensor and the current sensor also include:
Voltage sensor PT03, for measuring control steering signal CC1 voltages;
Voltage sensor PT04, for measuring control steering signal CC2 voltages.
4. the on-site detecting device of electric automobile DC charging motor according to claim 1, it is characterised in that the voltage
Sensor is resitstance voltage divider or capacitive divider or RC divider or Hall sensor or voltage isolator part.
5. the on-site detecting device of electric automobile DC charging motor according to claim 1, it is characterised in that the electric current
Sensor is divertor or hall device.
6. the on-site detecting device of electric automobile DC charging motor according to claim 1, it is characterised in that the data
Acquisition module also includes:
A/D change-over circuits, the input of the A/D change-over circuits is connected with the voltage sensor and the current sensor,
The output end of the A/D change-over circuits is connected with the data processing module.
7. the on-site detecting device of electric automobile DC charging motor according to claim 1, it is characterised in that the data
Acquisition module also includes:
CAN message monitor, the input of the CAN message monitor is connected with the CAN communication loop of the multi-tap, institute
The output end for stating CAN message monitor is connected with the data processing module.
8. the on-site detecting device of electric automobile DC charging motor according to claim 1, it is characterised in that the display
Module includes that LCDs, color/graphics, mobile phone A PP show.
9. the on-site detecting device of electric automobile DC charging motor according to claim 1, it is characterised in that also include:
Data output interface, the data-interface is connected with the display module, for exporting real time data and historical data;
The data-interface is by USB interface, too network interface, 485 serial ports, 232 serial ports, LVDS interface, WiFi module, bluetooth, small
Any one or more composition in wireless module.
10. the Site Detection of the electric automobile DC charging motor according to claim 1 to claim 9 any one is filled
Put, it is characterised in that also include:
Control power module, the control power module respectively with the data acquisition module, data processing module, described
Display module, data output interface connection;
It is described to control power module for switching and rectifying power supply and/or linear DC power supply and/or battery.
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Cited By (5)
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CN107942180A (en) * | 2018-01-03 | 2018-04-20 | 重庆长安汽车股份有限公司 | DC charging function detecting method and DC charging function detection device |
CN108899966A (en) * | 2018-08-28 | 2018-11-27 | 泉州亿兴电力有限公司 | A kind of conduction-type charging debugging adapter |
CN111251925A (en) * | 2020-02-27 | 2020-06-09 | 云南电网有限责任公司电力科学研究院 | Electric automobile direct current fills electric pile testing arrangement |
CN112485668A (en) * | 2020-11-09 | 2021-03-12 | 国网智慧能源交通技术创新中心(苏州)有限公司 | Monitoring system for direct current charger |
CN117572138A (en) * | 2024-01-17 | 2024-02-20 | 国网冀北电力有限公司 | Metering calibrating device for high-power charging pile |
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CN117572138B (en) * | 2024-01-17 | 2024-04-16 | 国网冀北电力有限公司 | Metering calibrating device for high-power charging pile |
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