CN204832381U - Energy repayment formula is charged intellectual detection system and is overhauld a system - Google Patents
Energy repayment formula is charged intellectual detection system and is overhauld a system Download PDFInfo
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- CN204832381U CN204832381U CN201520536766.1U CN201520536766U CN204832381U CN 204832381 U CN204832381 U CN 204832381U CN 201520536766 U CN201520536766 U CN 201520536766U CN 204832381 U CN204832381 U CN 204832381U
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- charging pile
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Abstract
The utility model discloses an energy repayment formula is charged intellectual detection system and is overhauld a system, including electric network source, the stake of charging, flow measuring instrument, the controllable electronic load of contravariant and main control system, a power source end that charges is connected to the electric network source output, flow measuring instrument is connected to a power source end that charges, the flow measuring instrument connection control host computer, the controllable electronic load input of contravariant is connected to an output that charges, the electric network source input is connected to the controllable electronic load output of contravariant, the utility model discloses can return the electric wire netting to the direct current of input again through the form of contravariant, combine the load of this kind of repayment formula to make a detection device that charges, not only can realize green energy -conserving the detection to can realize overhauing a multi -parameter of charging, intelligent automated inspection.
Description
technical field:
The utility model relates to a kind of energy feedback type charging pile Intelligent Measurement examination and repair system, belongs to technical field of electric equipment.
background technology:
Due to the improvement needs of energy environment and the support of government, electric automobile is very fast in China's development, and almost each big city is all in upper electric motor car, and a lot of local charging pile puts into operation.But charging pile due to its power stage volt-ampere number large, reliability requirement is good, and energy measurement requires high, needs that regular to carry out accuracy week calibration to it accurate.
At present, most of charging pile comes into operation after laboratory completes calibrating first, and because charging pile output power is large, load capacity is strong, week inspection on-the-spot in usual use cannot directly be with fictitious load to detect, because fictitious load bulky, heating power consumption is surprising, on-the-spot adopts that fictitious load is uneconomical does not also possess operability, metering ammeter embedded for charging pile is often needed to pull down, be put on tester and carry out measuring accuracy detection, waste a large amount of time like this, reduce efficiency.
utility model content:
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of energy feedback type charging pile Intelligent Measurement examination and repair system.
A kind of energy feedback type charging pile Intelligent Measurement examination and repair system of the present utility model, comprise electric network source, charging pile, gauge check instrument, inversion controllable electronic load and main control system, described electric network source output terminal connects charging pile power interface end, described charging pile power interface end connects gauge check instrument, described gauge check Instrument connection main control system, described charging pile output terminal connects inversion controllable electronic load input end, and described inversion controllable electronic load output terminal connects electric network source input end.
Preferably, described main control system is portable computer or notebook computer.
Preferably, current sample element and voltage sample components and parts are coupled with in described charging pile power interface.
Preferably, described charging pile power interface adopts RS485 interface or can bus.
Preferably, described gauge check instrument is provided with display screen.
Preferably, described current sample element is copper-manganese resistance or mutual inductor.
The utility model beneficial effect: energy feedback type electronic load, the direct current energy of input can be returned to electrical network by the form of inversion, if efficiency is done high, only consume little part electric energy, do not generate heat owing to not consuming energy, eliminate heat abstractor, add and use high frequency components and parts, load volume can reduce greatly; Charging pile pick-up unit is made in conjunction with this feed-back type load, the needs solving Site Detection will be can be good at, the use of this system and device, can provide on-the-spot quick, reliable, green, intelligent detection means for detection department, promote the development of electric motor car and clean energy resource.
accompanying drawing illustrates:
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is the utility model structural representation;
Fig. 2 is feed-back type electronic load structural representation;
Fig. 3 is feed-back type electronic load control system schematic diagram;
Fig. 4 is full-bridge circuit figure.
In figure: 1-charging pile; 2-inversion controllable electronic load; 3-gauge check instrument; 4-main control system.
embodiment:
For making the purpose of this utility model, technical scheme and advantage clearly understand, below by the specific embodiment shown in accompanying drawing, the utility model is described.But should be appreciated that, these describe just exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
As Figure 1-4, the utility model provides a kind of technical scheme: a kind of energy feedback type charging pile Intelligent Measurement examination and repair system, comprise electric network source, charging pile 1, gauge check instrument 3, inversion controllable electronic load 2 and main control system 4, described electric network source output terminal connects charging pile 1 power interface end, described charging pile 1 power interface end connects gauge check instrument 3, described gauge check instrument 3 connection control main frame 4, described charging pile 1 output terminal connects inversion controllable electronic load 2 input end, described inversion controllable electronic load 2 output terminal connects electric network source input end.
Particularly, main control system 4 can be portable computer or notebook computer practical function by one, and make the portable of whole system become possibility, inversion controllable electronic load 2 adopts PWM pulse-width modulation circuit to realize, high frequency power pipe, control loop volume can reduce greatly; Be coupled in charging pile 1 power interface current sample element, voltage sample components and parts, directly can realize namely inserting of measuring instrument on probation, can save hookup and build the time, thus improve detection efficiency; Charging pile 1 power interface adopts RS485 interface or can bus, then USB port input control system computer is become by protocol conversion, computer software interface opening, can write into the charging pile communication protocol of multiple producer, by the drop-down selection of choice box in software interface when detecting at the scene; Gauge check instrument 3 is provided with display screen, can display working condition, ac voltage, AC current values, DC voltage value, DC current, voltage waveform, current waveform, measured value, and possesses malfunction coefficient and warning function; System software can realize the functions such as real-time monitoring, analysis, report generate automatically, friendly interface, and extensibility is strong; Current sample element adopts copper-manganese resistance or mutual inductor to be serially connected with charging pile direct current output interface usually, the wiring of extraction voltage sampling simultaneously on current sample element, whole direct current input interface adopts charging pile standard interface form, realize the rapid abutting joint exported with charging pile, can realize automatically detecting to electric properties such as the voltage stabilizing of charging pile 1, precision of steady current, voltage stabilizing, stabilized current characteristic, pressure limiting, cut-off current characteristics, ripple factor, reserved BMS management system performances.
Its principle of work: in use, inversion controllable electronic load receives the input of power frequency power by charging pile power interface, gauge check instrument is by voltage and connect, electric current be serially connected in charging pile power interface end sampling mode charging pile DC output power is measured, carry according to the actual band of charging pile and to arrange and after opening load, the DC power that charging pile exports inputs through controllable electronic load power interface, pwm power circuit inversion again via electronic load inside is that industrial frequency AC electric energy returns charging pile electrical network input end, realizes recycling of electric energy; Meanwhile, testing tool data-interface reads charging pile charge metering data in real time by agreement, and carry out error ratio pair with the data of gauge check instrument, comparison result uploads main control system, generates automatic examining report.
Energy feedback type electronic load, high voltage direct current is obtained after being converted by DC/DC by direct current, another mistake becomes interchange, charging pile is exported high voltage electric energy and becomes the high pressure that can input energy for inverter phase electrical network, this part input end high-voltage great-current by DC/DC part, exports high pressure and is about 650V, inversion DC/AC part will realize core missions, simulate actual ohmic load, regulation output size of current, realize free of contamination grid-connected; With the given current value of low-voltage direct input current set value calculation DC/DC, closed loop adjustment is adopted to realize following the tracks of fast the examination electric current of tested power supply; By the adjustment of output AC electric current, realize the Isobarically Control of high-pressure side DC voltage, make PWM rectifier power factor remain-1, thus realize energy feedback; Circuit topology selects full-bridge circuit, and inversion DC/AC part can adopt the voltage pwm rectifier of current control mode; Load characteristic analog functuion is realized by prime DC/DC conversion fraction, the input current of DC/DC conversion controls, adopt Current Control Mode PWM Switched control circuit, the DC bus-bar voltage in electronic load can be controlled by rear class PWM rectification circuit, to maintain a steady state value; Sample circuit, measuring instrument, data converting circuit can adopt existing module or device as corresponding units.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. an energy feedback type charging pile Intelligent Measurement examination and repair system, it is characterized in that: comprise electric network source, charging pile, gauge check instrument, inversion controllable electronic load and main control system, described electric network source output terminal connects charging pile power interface end, described charging pile power interface end connects gauge check instrument, described gauge check Instrument connection main control system, described charging pile output terminal connects inversion controllable electronic load input end, and described inversion controllable electronic load output terminal connects electric network source input end.
2. a kind of energy feedback type charging pile Intelligent Measurement examination and repair system according to claim 1, is characterized in that: described main control system is portable computer or notebook computer.
3. a kind of energy feedback type charging pile Intelligent Measurement examination and repair system according to claim 1, is characterized in that: be coupled with current sample element and voltage sample components and parts in described charging pile power interface.
4. a kind of energy feedback type charging pile Intelligent Measurement examination and repair system according to claim 1, is characterized in that: described charging pile power interface adopts RS485 interface or can bus.
5. a kind of energy feedback type charging pile Intelligent Measurement examination and repair system according to claim 1, is characterized in that: described gauge check instrument is provided with display screen.
6. a kind of energy feedback type charging pile Intelligent Measurement examination and repair system according to claim 3, is characterized in that: described current sample element is copper-manganese resistance or mutual inductor.
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106771732A (en) * | 2016-12-06 | 2017-05-31 | 国网北京市电力公司 | Direct-current charging post charging measurement device |
CN107064701A (en) * | 2017-06-12 | 2017-08-18 | 青岛特来电新能源有限公司 | Charging pile experimental provision and system |
CN107329020A (en) * | 2017-07-31 | 2017-11-07 | 湖南福德电气有限公司 | A kind of charging pile test load case |
CN107422219A (en) * | 2017-09-27 | 2017-12-01 | 上海欣遇电源科技有限公司 | Detecting system is tested in a kind of novel energy feedback type electric vehicle rapid charging stake |
CN109188272A (en) * | 2018-08-15 | 2019-01-11 | 国网江西省电力有限公司电力科学研究院 | A kind of electric car non-on-board charger circulation detection device and its method of calibration |
CN109342971A (en) * | 2018-10-25 | 2019-02-15 | 国充充电科技江苏股份有限公司 | Charging pile part quality detection system and AC DC charging pile component detection system |
CN109342972A (en) * | 2018-10-25 | 2019-02-15 | 国充充电科技江苏股份有限公司 | Charging pile test equipment and alternating current and direct current charging pile test macro |
CN109541352A (en) * | 2018-11-29 | 2019-03-29 | 国网江西省电力有限公司电力科学研究院 | A kind of non-on-board charger detection device bus parallel connection formula load dispatching method and its device |
CN111443252A (en) * | 2020-04-16 | 2020-07-24 | 上海鼎充新能源技术有限公司 | Special test contravariant load system of direct current charging pile |
CN113125889A (en) * | 2021-04-21 | 2021-07-16 | 阳光电源股份有限公司 | Charging pile and testing device, system and method thereof |
CN117590116A (en) * | 2023-11-16 | 2024-02-23 | 南京能可瑞科技有限公司 | DC configurable power load test method and device based on inversion technology |
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2015
- 2015-07-23 CN CN201520536766.1U patent/CN204832381U/en not_active Expired - Fee Related
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106771732A (en) * | 2016-12-06 | 2017-05-31 | 国网北京市电力公司 | Direct-current charging post charging measurement device |
CN107064701A (en) * | 2017-06-12 | 2017-08-18 | 青岛特来电新能源有限公司 | Charging pile experimental provision and system |
CN107064701B (en) * | 2017-06-12 | 2024-01-19 | 青岛特来电新能源科技有限公司 | Charging pile experimental device and system |
CN107329020A (en) * | 2017-07-31 | 2017-11-07 | 湖南福德电气有限公司 | A kind of charging pile test load case |
CN107422219A (en) * | 2017-09-27 | 2017-12-01 | 上海欣遇电源科技有限公司 | Detecting system is tested in a kind of novel energy feedback type electric vehicle rapid charging stake |
CN109188272A (en) * | 2018-08-15 | 2019-01-11 | 国网江西省电力有限公司电力科学研究院 | A kind of electric car non-on-board charger circulation detection device and its method of calibration |
CN109342972A (en) * | 2018-10-25 | 2019-02-15 | 国充充电科技江苏股份有限公司 | Charging pile test equipment and alternating current and direct current charging pile test macro |
CN109342972B (en) * | 2018-10-25 | 2020-05-12 | 国充充电科技江苏股份有限公司 | Fill electric pile test equipment and exchange, direct current fill electric pile test system |
CN109342971A (en) * | 2018-10-25 | 2019-02-15 | 国充充电科技江苏股份有限公司 | Charging pile part quality detection system and AC DC charging pile component detection system |
CN109541352A (en) * | 2018-11-29 | 2019-03-29 | 国网江西省电力有限公司电力科学研究院 | A kind of non-on-board charger detection device bus parallel connection formula load dispatching method and its device |
CN109541352B (en) * | 2018-11-29 | 2023-12-05 | 国网江西省电力有限公司电力科学研究院 | Bus parallel load scheduling method and device for off-vehicle charger detection device |
CN111443252A (en) * | 2020-04-16 | 2020-07-24 | 上海鼎充新能源技术有限公司 | Special test contravariant load system of direct current charging pile |
CN113125889A (en) * | 2021-04-21 | 2021-07-16 | 阳光电源股份有限公司 | Charging pile and testing device, system and method thereof |
CN117590116A (en) * | 2023-11-16 | 2024-02-23 | 南京能可瑞科技有限公司 | DC configurable power load test method and device based on inversion technology |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180723 |