CN204559192U - A kind of direct-current charging post testing apparatus - Google Patents
A kind of direct-current charging post testing apparatus Download PDFInfo
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- CN204559192U CN204559192U CN201520264931.2U CN201520264931U CN204559192U CN 204559192 U CN204559192 U CN 204559192U CN 201520264931 U CN201520264931 U CN 201520264931U CN 204559192 U CN204559192 U CN 204559192U
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Abstract
The utility model relates to a kind of direct-current charging post testing apparatus, and its technical characteristics is: comprise charge port, measuring circuit, charging control circuit, electronic load and display screen; Charge port is connected with direct-current charging post charging inlet, and measuring circuit is connected with the power positive cathode in charge port, and the low pressure accessory power supply both positive and negative polarity in charge port is connected with measuring circuit and provides low voltage power supply, and for detecting the stability of low-voltage power supply; Charging control circuit and two in charge port communication interface of charging is connected, and the average anode current of charging pile, voltage export on a display screen by charging control circuit; Electronic load is connected with measuring circuit.The utility model is reasonable in design, effectively can find the various faults of direct-current charging post, improve the utilance of direct-current charging post; Simultaneously for the work of patrolling and examining of direct-current charging post provides comparatively easy method, improve and patrol and examine efficiency.
Description
Technical field
The utility model belongs to direct-current charging post technical field, especially a kind of direct-current charging post testing apparatus.
Background technology
Along with the social application of electric automobile gets more and more, also increasing to the demand of direct-current charging post.In order to meet the charging needs of electric automobile in each place, direct-current charging post mainly takes dispersion distribution mode to arrange.Because the continual mileage of electric automobile is shorter, the charging interval is longer, is difficult to be detected direct-current charging post by the mode of real steering vectors, is difficult to Timeliness coverage fault and gets rid of.Therefore, how testing the charging ability of direct-current charging post is at the scene problem in the urgent need to address at present.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of reasonable in design, easy to use and safe and reliable direct-current charging post testing apparatus.
The utility model solves existing technical problem and takes following technical scheme to realize:
A kind of direct-current charging post testing apparatus, comprises charge port, measuring circuit, charging control circuit, electronic load and display screen; Described charge port is connected with direct-current charging post charging inlet, and measuring circuit is connected with the power positive cathode in charge port, for measuring output voltage and the electric current of direct-current charging post, and exports in charging control circuit by measurement result; Low pressure accessory power supply both positive and negative polarity in charge port is connected with measuring circuit and provides low voltage power supply, and for detecting the stability of low-voltage power supply; Described charging control circuit and two in charge port communication interface of charging is connected and communicates, charging control circuit processes according to the measurement result of measuring circuit and two charging signals of communication, and the average anode current of charging pile, voltage is exported on a display screen; Described electronic load is connected with measuring circuit for detecting the voltage stability of direct-current charging post in different loads situation and power stage situation.
And described charge port adopts standard direct-current charging interface of electric automobile.
And, described charging control circuit comprises CPU, direct voltage testing circuit, voltage stabilizing circuit, commutator transformer, memory and driver module, CPU is connected with measuring circuit, direct voltage testing circuit, memory, driver module respectively, and direct voltage testing circuit is connected with the low pressure accessory power supply both positive and negative polarity of direct-current charging post; Direct voltage testing circuit, voltage stabilizing circuit are connected, and this voltage stabilizing circuit is connected for it is powered with CPU, memory and driver module by commutator transformer or switch, and driver module is connected with display screen.
And described CPU is connected with measuring circuit, direct voltage testing circuit by RS485 mode, CPU connects driver module by RS232 mode, and CPU is connected with memory by I/O interface.
Advantage of the present utility model and good effect are:
The utility model is tested direct-current charging post by measuring circuit and charging control circuit, effectively can find the various faults of direct-current charging post, improve the utilance of direct-current charging post; Simultaneously for the work of patrolling and examining of direct-current charging post provides comparatively easy method, improve and patrol and examine efficiency.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present utility model;
Fig. 2 is the contact arrangement figure of charge port;
Fig. 3 is the theory diagram of charging control circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is further described.
A kind of direct-current charging post testing apparatus, as shown in Figure 1, comprises charge port, measuring circuit, charging control circuit, electronic load and display screen.Described charge port is connected with direct-current charging post charging inlet, measuring circuit is connected with the power positive cathode (DC+, DC-) in charge port, for measuring output voltage and the electric current of direct-current charging post, and measurement result is exported in charging control circuit; Low pressure accessory power supply positive pole in charge port, low pressure accessory power supply negative pole (A+, A-) and measuring circuit provide low voltage power supply with being connected, and for detecting the stability of low-voltage power supply.Charge communication interface S+ (CAN_high), S-(CAN_Low) of described charging control circuit and two in charge port is connected and communicates with direct-current charging post, charging voltage and current needs information is sent to direct-current charging post, and receive voltage and the current data of measuring circuit measurement, charging control circuit carries out computational analysis according to the measurement result of measuring circuit and two charging signals of communication, and the average anode current of charging pile, voltage are exported on a display screen, check for testing staff.Charging in described charge port connects the first CC1 line of confirmation and connects through resistance R4 Earth Phase, normal for confirming that charging plug connects.Described electronic load is connected with measuring circuit, by the adjustment to electronic load, can detect the voltage stability of direct-current charging post in different loads situation and power stage situation.
As shown in Figure 2, charge port adopts the vehicle/confession plug in " GB/T20234.3 electric car conduction chargeable connection device the 3rd part: direct-current charging interface ", in charge port, power positive cathode (DC+, DC-), charging communication interface S+ (CAN_high), S-(CAN_Low), low pressure accessory power supply positive pole, low pressure accessory power supply negative pole (A+, A-) are connected with the respective contacts in direct-current charging post charging inlet, and the connection in charge port confirms that line CC1 is connected with the PE line in direct-current charging post.
As shown in Figure 3, charging control circuit comprises CPU, direct voltage testing circuit, voltage stabilizing circuit, commutator transformer, memory and driver module, and CPU is connected with measuring circuit, direct voltage testing circuit, memory, driver module respectively.Concrete connected mode is: CPU is connected with measuring circuit, direct voltage testing circuit respectively by RS485 mode, low pressure accessory power supply positive pole, the low pressure accessory power supply negative pole (A+, A-) of direct voltage testing circuit and direct-current charging post are connected and detect voltage stability, and testing result is sent in CPU.Direct voltage testing circuit, voltage stabilizing circuit are connected, and this voltage stabilizing circuit is connected for it is powered with CPU, memory and driver module by commutator transformer or switch.CPU connects driver module by RS232 mode, and this driver module is connected with display screen, and CPU is directly connected with memory by I/O interface.
Low-voltage power supply due to the direct-current charging post charged for large car is 24V, for the low-voltage power supply of the direct-current charging post of compact car charging is 12V, when being detected as the direct-current charging post of large car charging, switch disconnects, and it is that CPU powers that 24V low-voltage power supply becomes 12V through transformer; When being detected as the direct-current charging post of compact car charging, switch closes, directly for CPU powers.
The charge port of this device in use, is reliably connected with the charging inlet of direct-current charging post by the utility model, after charging pile detects CC1 line voltage, confirms to connect reliably.Charging pile A+ and A-line provide low-voltage power supply for testing apparatus, and issue charger identification message by CAN, after charging control circuit receives message, send controller of vehicle identification message, communicate to connect with charging pile, and to the charging voltage needed for charging pile issue and electric current.Charging pile exports direct current by DC+ and DC-, powers after measurement mechanism to electronic load.Measurement mechanism exports the voltage and current value of measurement to charging control circuit, and the information of collection is exported by display screen by charging control circuit.Testing apparatus, by DC voltage detecting device, measures the stability of charging pile low-voltage power supply, reports to the police by display screen when low-voltage power supply is abnormal.Issue the voltage and current value of change in measuring process by charging control circuit to charging pile, and compare with the voltage and current measured, the performance of test charging pile.
It is emphasized that; embodiment described in the utility model is illustrative; instead of it is determinate; therefore the utility model comprises the embodiment be not limited to described in embodiment; every other execution modes drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope of the utility model protection equally.
Claims (4)
1. a direct-current charging post testing apparatus, is characterized in that: comprise charge port, measuring circuit, charging control circuit, electronic load and display screen; Described charge port is connected with direct-current charging post charging inlet, and measuring circuit is connected with the power positive cathode in charge port, for measuring output voltage and the electric current of direct-current charging post, and exports in charging control circuit by measurement result; Low pressure accessory power supply both positive and negative polarity in charge port is connected with measuring circuit and provides low voltage power supply, and for detecting the stability of low-voltage power supply; Described charging control circuit and two in charge port communication interface of charging is connected and communicates, charging control circuit processes according to the measurement result of measuring circuit and two charging signals of communication, and the average anode current of charging pile, voltage is exported on a display screen; Described electronic load is connected with measuring circuit for detecting the voltage stability of direct-current charging post in different loads situation and power stage situation.
2. a kind of direct-current charging post testing apparatus according to claim 1, is characterized in that: described charge port adopts standard direct-current charging interface of electric automobile.
3. a kind of direct-current charging post testing apparatus according to claim 1 and 2, it is characterized in that: described charging control circuit comprises CPU, direct voltage testing circuit, voltage stabilizing circuit, commutator transformer, memory and driver module, CPU is connected with measuring circuit, direct voltage testing circuit, memory, driver module respectively, and direct voltage testing circuit is connected with the low pressure accessory power supply both positive and negative polarity of direct-current charging post; Direct voltage testing circuit, voltage stabilizing circuit are connected, and this voltage stabilizing circuit is connected for it is powered with CPU, memory and driver module by commutator transformer or switch, and driver module is connected with display screen.
4. a kind of direct-current charging post testing apparatus according to claim 3, it is characterized in that: described CPU is connected with measuring circuit, direct voltage testing circuit by RS485 mode, CPU connects driver module by RS232 mode, and CPU is connected with memory by I/O interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520264931.2U CN204559192U (en) | 2015-04-27 | 2015-04-27 | A kind of direct-current charging post testing apparatus |
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| CN201520264931.2U CN204559192U (en) | 2015-04-27 | 2015-04-27 | A kind of direct-current charging post testing apparatus |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486949A (en) * | 2015-11-27 | 2016-04-13 | 许继电源有限公司 | Charging pile test system |
| CN105553771A (en) * | 2015-12-16 | 2016-05-04 | 国网北京市电力公司 | Message detection method and apparatus |
| CN105785175A (en) * | 2016-03-11 | 2016-07-20 | 西安特锐德智能充电科技有限公司 | Portable detection apparatus for alternating-current/direct-current charging pile |
| CN105843116A (en) * | 2016-03-23 | 2016-08-10 | 江苏万帮德和新能源科技有限公司 | DC charging pile debugging device and DC charging pile debugging method |
| CN106405302A (en) * | 2016-11-28 | 2017-02-15 | 许继电源有限公司 | Electric automobile charging pile detection device |
| CN106501642A (en) * | 2016-10-21 | 2017-03-15 | 天津市普迅电力信息技术有限公司 | A kind of portable testing equipment of direct-current charging post |
| CN106771732A (en) * | 2016-12-06 | 2017-05-31 | 国网北京市电力公司 | Direct-current charging post charging measurement device |
| CN108627717A (en) * | 2017-03-24 | 2018-10-09 | 上海电巴新能源科技有限公司 | A kind of fast check system of the failure of charging equipment and detection method |
| CN108631373A (en) * | 2017-03-17 | 2018-10-09 | 苏州宝时得电动工具有限公司 | Dock charging system |
| CN111122997A (en) * | 2019-12-04 | 2020-05-08 | 国网山东省电力公司电力科学研究院 | Portable electric pile detection device that fills that commonality is high |
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2015
- 2015-04-27 CN CN201520264931.2U patent/CN204559192U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486949A (en) * | 2015-11-27 | 2016-04-13 | 许继电源有限公司 | Charging pile test system |
| CN105486949B (en) * | 2015-11-27 | 2018-05-29 | 许继电源有限公司 | A kind of charging pile tests system |
| CN105553771A (en) * | 2015-12-16 | 2016-05-04 | 国网北京市电力公司 | Message detection method and apparatus |
| CN105785175A (en) * | 2016-03-11 | 2016-07-20 | 西安特锐德智能充电科技有限公司 | Portable detection apparatus for alternating-current/direct-current charging pile |
| CN105785175B (en) * | 2016-03-11 | 2018-08-24 | 西安特锐德智能充电科技有限公司 | A kind of alternating current-direct current charging pile portable detector and method |
| CN105843116A (en) * | 2016-03-23 | 2016-08-10 | 江苏万帮德和新能源科技有限公司 | DC charging pile debugging device and DC charging pile debugging method |
| CN106501642A (en) * | 2016-10-21 | 2017-03-15 | 天津市普迅电力信息技术有限公司 | A kind of portable testing equipment of direct-current charging post |
| CN106405302B (en) * | 2016-11-28 | 2019-12-13 | 许继电源有限公司 | electric automobile fills electric pile detection device |
| CN106405302A (en) * | 2016-11-28 | 2017-02-15 | 许继电源有限公司 | Electric automobile charging pile detection device |
| CN106771732A (en) * | 2016-12-06 | 2017-05-31 | 国网北京市电力公司 | Direct-current charging post charging measurement device |
| CN108631373A (en) * | 2017-03-17 | 2018-10-09 | 苏州宝时得电动工具有限公司 | Dock charging system |
| CN108627717A (en) * | 2017-03-24 | 2018-10-09 | 上海电巴新能源科技有限公司 | A kind of fast check system of the failure of charging equipment and detection method |
| CN111122997A (en) * | 2019-12-04 | 2020-05-08 | 国网山东省电力公司电力科学研究院 | Portable electric pile detection device that fills that commonality is high |
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| C14 | Grant of patent or utility model | ||
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Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Patentee after: State Power Networks Co Patentee after: Tianjin Sanyuan Energy Developments Ltd Address before: 300010 Tianjin city Hebei District Wujing Road No. 39 Patentee before: State Power Networks Co Patentee before: Tianjin Sanyuan New Energy Electric Vehicle Services Co., Ltd. |
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Effective date of registration: 20190505 Address after: 100031 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Co-patentee after: Tianjin Sanyuan Power Group Co., Ltd. Patentee after: State Grid Corporation of China Address before: 100031 No. 86 West Chang'an Street, Beijing Co-patentee before: Tianjin Sanyuan Energy Developments Ltd Patentee before: State Grid Corporation of China |