CN109212354B - Digital communication protocol testing device for electric automobile - Google Patents
Digital communication protocol testing device for electric automobile Download PDFInfo
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- CN109212354B CN109212354B CN201811131954.0A CN201811131954A CN109212354B CN 109212354 B CN109212354 B CN 109212354B CN 201811131954 A CN201811131954 A CN 201811131954A CN 109212354 B CN109212354 B CN 109212354B
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- charging
- photoresistor
- electric automobile
- light source
- controlled switch
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- 238000004891 communication Methods 0.000 title claims abstract description 39
- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 206010014357 Electric shock Diseases 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a digital communication protocol testing device of an electric automobile, which comprises: the device comprises a charging pile shell, a charging main loop and a charging controller which are arranged in the charging pile shell, and a test host connected with the charging controller, wherein the input end of the charging main loop is connected with a power supply, the output end of the charging main loop is used for being connected with a charging head of an electric automobile, the charging controller is connected with the charging main loop, a light source is arranged on the charging head of the electric automobile, the test device also comprises a controlled switch and a photoresistor, the controlled switch is arranged on the charging main loop, the control signal input end of the controlled switch is connected with the photoresistor, and the photoresistor is fixed in the charging pile shell through a photoresistor bracket and can irradiate the position of the light source after the charging head of the electric automobile is inserted; after the charging head is inserted, the resistance of the photoresistor is reduced under the irradiation of the light source, the controlled switch is turned on, and the charging main loop starts to work and charges the electric automobile. Compared with the prior art, the invention has the advantages of safety, reliability and the like.
Description
Technical Field
The invention relates to an electric automobile charging pile, in particular to an electric automobile digital communication protocol testing device.
Background
Although fossil fuels have various advantages, fossil fuels are not necessarily in line with the concept of sustainable development and are inevitably eliminated because they are non-renewable resources, and on the other hand, various technologies of conventional fuel vehicles have been manufactured by some major factories with technical ravines, new vehicle enterprises and small factories hardly compete with the conventional major factories, so that electric vehicles have been increasingly emphasized in recent years, firstly because direct sources of energy (electric energy) of electric vehicles are more environment-friendly, and secondly, new enterprises easily cut off vehicles at curves.
The bottleneck in the popularization of the electric automobile is the battery technology, and the charging pile technology, wherein for the charging pile, the charging pile and the electric automobile can come from different manufacturers, the natural unified protocol standard is very critical, the charging test is required to be carried out on the current electric automobile, and the charging test generally also comprises the compatibility test of the digital communication protocol.
The charging piles which are needed to be adopted in the test link or the actual charging process are all outdoor, and many charging piles are placed outdoors and possibly face natural conditions such as rain, or some moving objects are likely to be damaged if being contacted with a charged charging socket and connected with two poles, so that the current charging piles are mostly realized by adopting a blocking cover, but the damage caused by natural reasons is solved in the mode, but the main loop is still electrified, and the danger is still caused if someone carelessly touches the charging piles.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the digital communication protocol testing device for the electric automobile.
The aim of the invention can be achieved by the following technical scheme:
an electric automobile digital communication protocol testing arrangement includes: the electric vehicle charging device comprises a charging pile shell, a charging main loop and a charging controller which are arranged in the charging pile shell, and a test host connected with the charging controller, wherein the input end of the charging main loop is connected with a power supply, the output end of the charging main loop is used for being connected with a charging head of the electric vehicle, the charging controller is connected with the charging main loop, a light source is arranged on the charging head of the electric vehicle, the test device further comprises a controlled switch and a photoresistor, the controlled switch is arranged on the charging main loop, the control signal input end of the controlled switch is connected with the photoresistor, and the photoresistor is fixed in the charging pile shell through a photoresistor bracket and can irradiate the light source after the charging head of the electric vehicle is inserted;
after the charging head is inserted, the resistance of the photoresistor is reduced under the irradiation of the light source, the controlled switch is turned on, and the charging main loop starts to work and charges the electric automobile.
An electric automobile digital communication protocol testing arrangement includes: the electric vehicle charging device comprises a charging pile shell, a charging main loop and a charging controller which are arranged in the charging pile shell, and a test host connected with the charging controller, wherein the input end of the charging main loop is connected with a power supply, the output end of the charging main loop is used for being connected with a charging head of an electric vehicle, the charging controller is connected with the charging main loop, the test device further comprises a light source, a controlled switch and a photoresistor, the controlled switch is arranged on the charging main loop, the control signal input end of the controlled switch is connected with the photoresistor, and a concave mirror which is used for reflecting light emitted by the light source to the photoresistor is arranged on the charging head of the electric vehicle;
after the charging head is inserted, light rays emitted by the light source are reflected by the concave mirror and converged on the photoresistor, the resistance value of the photoresistor is reduced, the controlled switch is conducted, and the charging main loop starts to work and charges the electric automobile.
The controlled switch is a relay, the public end and the normally open end of the relay are connected to the charging main loop, and the coil of the relay is connected in series with the photoresistor to form a loop.
The light source is an LED light source.
The charging pile casing is provided with a jack matched with the charging head, and the output end of the charging main loop and the photoresistor are both positioned in the jack.
Be equipped with the flap valve on the jack, and the output and the photo resistance of charging main circuit all are located the flap valve inboard.
The electric automobile is provided with a first visible light communication module, the input end of the first visible light communication module is connected with a power management system of the electric automobile, the output end of the first visible light communication module is connected with the light source, the testing device also comprises a second visible light communication module, and the second visible light communication module is connected with the charging controller;
the first visible light communication module sends state data and protocol data of the vehicle-mounted power supply through the light source, and the second visible light communication module demodulates the received visible light to obtain the state data and the protocol data of the vehicle-mounted power supply and sends the state data and the protocol data to the charging controller.
Compared with the prior art, the invention has the following beneficial effects:
1) The on-off of the charging main loop is controlled by setting the controlled switch, so that the charging pile side is uncharged when not charged, the electric shock risk caused by false touch is avoided, and the charging pile is safer to use.
2) And the charging pile side arranged by the light source can realize charging even if the residual electric quantity of the vehicle-mounted power supply of the electric automobile is 0.
3) The normally closed end of the relay is connected to the main loop, so that electricity is saved.
4) The visible light communication module is adopted for communication, so that the problem that other interfaces are not required to be arranged and strong and weak current interference is avoided.
Drawings
Fig. 1 is a schematic structural view of a charging pile casing according to the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic circuit diagram of a controlled switching section;
FIG. 4 is a schematic circuit diagram of a controlled switch section in a second embodiment;
wherein: 1. charging pile casing, 2, jack, 3, charging main loop, 4, charging controller, 5, test host, 6, controlled switch, 7, photoresistor, 8, power adapter, 9, light source, K1, relay.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
Embodiment one:
the utility model provides an electric automobile digital communication protocol testing arrangement, the device is mainly to charging main loop 3 standby part improvement, because the test software etc. that charge control and test host computer 5 all can adopt original do not make the change, consequently the work part of charge controller 4 and test host computer 5 is all not in the description. As shown in fig. 1 and 2, includes: the electric pile charging device comprises a charging pile casing 1, a charging main loop 3 and a charging controller 4 which are arranged in the charging pile casing 1, and a test host 5 connected with the charging controller 4, wherein the input end of the charging main loop 3 is connected with a power supply, the output end of the charging main loop is used for being connected with a charging head of an electric automobile, the charging controller 4 is connected with the charging main loop 3, a light source 9 is arranged on the charging head of the electric automobile, the test device further comprises a controlled switch 6 and a photoresistor 7, the controlled switch 6 is arranged on the charging main loop 3, the control signal input end of the controlled switch is connected with the photoresistor 7, and the photoresistor 7 is fixed in the charging pile casing 1 through a photoresistor 7 bracket and can irradiate the position of the light source 9 after the charging head of the electric automobile is inserted; when the charging head is not inserted, the resistance value of the photoresistor 7 is large, the relay is not attracted, the non-conductive joint of the charging main circuit 3 is not charged, after the charging head is inserted, the resistance value of the photoresistor 7 is reduced under the irradiation of the light source 9, the controlled switch 6 is conducted, and the charging main circuit 3 starts to work and charges the electric automobile.
The on-off of the charging main loop 3 is controlled by setting the controlled switch 6, so that the charging pile side is uncharged when not charged, the electric shock risk caused by false touch is avoided, and the use is safer.
As shown in fig. 3, the controlled switch 6 is a relay, the common terminal and the normally open terminal of the relay are connected to the charging main circuit 3, and the coil of the relay is connected in series with the photoresistor 7 to form a circuit. Preferably, the light source 9 is an LED light source 9.
The charging pile casing 1 is provided with a jack 2 matched with a charging head, and the output end of the charging main loop 3 and the photoresistor 7 are both positioned in the jack 2. More preferably, a flap valve is arranged on the jack 2, and the output end of the charging main circuit 3 and the photoresistor 7 are both positioned on the inner side of the flap valve.
In addition, a first visible light communication module is configured in the electric automobile, the input end of the first visible light communication module is connected with a power management system of the electric automobile, the output end of the first visible light communication module is connected with the light source 9, and the testing device further comprises a second visible light communication module which is connected with the charging controller 4;
the first visible light communication module sends the state data and the protocol data of the vehicle-mounted power supply through the light source 9, and the second visible light communication module demodulates the received visible light to obtain the state data and the protocol data of the vehicle-mounted power supply and sends the state data and the protocol data to the charging controller 4.
Embodiment two:
an electric automobile digital communication protocol testing arrangement, as shown in figures 1, 2 and 4, includes: the electric vehicle charging device is characterized by also comprising a light source 9, a controlled switch 6 and a photoresistor 7, wherein the controlled switch 6 is arranged on the charging main circuit 3, the control signal input end is connected with the photoresistor 7, and a concave mirror for reflecting light rays emitted by the light source 9 to the photoresistor 7 is arranged on the charging head of the electric vehicle; after the charging head is inserted, light rays emitted by the light source 9 are reflected by the concave mirror and are converged on the photoresistor 7, the resistance value of the photoresistor 7 is reduced, the controlled switch 6 is conducted, and the charging main loop 3 starts to work and charges the electric automobile. The charging pile side provided with the light source 9 can be charged even if the residual electric quantity of the vehicle-mounted power supply of the electric vehicle is 0.
The rest of this embodiment is the same as embodiment one.
Embodiment III:
the significant difference of this embodiment compared with the first embodiment is that the positions of the charging head and the jack 2 are exchanged, the jack 2 is arranged on the electric vehicle, the jack 2 is arranged on the charging pile, and the photoresistor 7 is arranged on the charging head. The remainder was the same as in example one.
Claims (7)
1. An electric automobile digital communication protocol testing arrangement includes: the electric pile charging device is characterized in that the charging head of the electric automobile is provided with a light source, the testing device also comprises a controlled switch and a photoresistor, the controlled switch is arranged on the charging main circuit, the control signal input end is connected with the photoresistor, and the photoresistor is fixed in the charging pile casing through a photoresistor bracket and can irradiate the position of the light source after the charging head of the electric automobile is inserted;
after the charging head is inserted, the resistance of the photoresistor is reduced under the irradiation of the light source, the controlled switch is turned on, and the charging main loop starts to work and charges the electric automobile.
2. An electric automobile digital communication protocol testing arrangement includes: the electric vehicle charging device is characterized by also comprising a light source, a controlled switch and a photoresistor, wherein the controlled switch is arranged on the charging main circuit, the control signal input end is connected with the photoresistor, and a concave mirror for reflecting light rays emitted by the light source onto the photoresistor is arranged on the charging head of the electric vehicle;
after the charging head is inserted, light rays emitted by the light source are reflected by the concave mirror and converged on the photoresistor, the resistance value of the photoresistor is reduced, the controlled switch is conducted, and the charging main loop starts to work and charges the electric automobile.
3. The device for testing the digital communication protocol of the electric automobile according to claim 1 or 2, wherein the controlled switch is a relay, a common end and a normally open end of the relay are connected to a charging main loop, and a coil of the relay is connected in series with a photoresistor to form a loop.
4. The device for testing digital communication protocols of electric vehicles according to claim 1 or 2, wherein the light source is an LED light source.
5. The device for testing the digital communication protocol of the electric automobile according to claim 1 or 2, wherein the charging pile casing is provided with a jack matched with the charging head, and the output end of the charging main loop and the photoresistor are both positioned in the jack.
6. The device for testing the digital communication protocol of the electric automobile according to claim 5, wherein the flap valve is arranged on the jack, and the output end of the charging main loop and the photoresistor are both positioned on the inner side of the flap valve.
7. The digital communication protocol testing device of an electric automobile according to claim 1, wherein the electric automobile is provided with a first visible light communication module, an input end of the first visible light communication module is connected with a power management system of the electric automobile, an output end of the first visible light communication module is connected with the light source, and the testing device further comprises a second visible light communication module, and the second visible light communication module is connected with the charging controller;
the first visible light communication module sends state data and protocol data of the vehicle-mounted power supply through the light source, and the second visible light communication module demodulates the received visible light to obtain the state data and the protocol data of the vehicle-mounted power supply and sends the state data and the protocol data to the charging controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811131954.0A CN109212354B (en) | 2018-09-27 | 2018-09-27 | Digital communication protocol testing device for electric automobile |
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| CN201811131954.0A CN109212354B (en) | 2018-09-27 | 2018-09-27 | Digital communication protocol testing device for electric automobile |
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| CN109212354A CN109212354A (en) | 2019-01-15 |
| CN109212354B true CN109212354B (en) | 2023-12-26 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10757485B2 (en) | 2017-08-25 | 2020-08-25 | Honda Motor Co., Ltd. | System and method for synchronized vehicle sensor data acquisition processing using vehicular communication |
| US11181929B2 (en) | 2018-07-31 | 2021-11-23 | Honda Motor Co., Ltd. | System and method for shared autonomy through cooperative sensing |
| US11163317B2 (en) | 2018-07-31 | 2021-11-02 | Honda Motor Co., Ltd. | System and method for shared autonomy through cooperative sensing |
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