WO2016017382A1 - Système de charge sans contact, et dispositif d'alimentation électrique sans contact - Google Patents

Système de charge sans contact, et dispositif d'alimentation électrique sans contact Download PDF

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Publication number
WO2016017382A1
WO2016017382A1 PCT/JP2015/069642 JP2015069642W WO2016017382A1 WO 2016017382 A1 WO2016017382 A1 WO 2016017382A1 JP 2015069642 W JP2015069642 W JP 2015069642W WO 2016017382 A1 WO2016017382 A1 WO 2016017382A1
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WO
WIPO (PCT)
Prior art keywords
power supply
charging system
diagnosis
diagnostic information
self
Prior art date
Application number
PCT/JP2015/069642
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English (en)
Japanese (ja)
Inventor
康裕 鈴木
孝治 比嘉
Original Assignee
株式会社豊田自動織機
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 株式会社豊田自動織機 filed Critical 株式会社豊田自動織機
Publication of WO2016017382A1 publication Critical patent/WO2016017382A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Definitions

  • This invention relates to a contactless charging system, and more particularly to a contactless charging system having a self-diagnosis function.
  • EV vehicles electric vehicles driven by electric motors and plug-in hybrid vehicles (PHV vehicles) driven by the combined use of electric motors and gasoline engines
  • PHY vehicles plug-in hybrid vehicles
  • EV cars and PHV cars are equipped with a battery, and the vehicle is driven by driving a motor with electric energy stored in the battery.
  • a charging system for EV cars and PHV cars there is generally a method in which a power supply stand is installed in each of a plurality of parking spaces provided in a parking lot, and charging is performed while the vehicle is parked in the parking space. It is.
  • a contact charging system in which the power supply stand and the vehicle are connected by a dedicated charging cable, and a principle of electromagnetic induction or resonance while the power supply stand and the vehicle are kept in a non-contact state.
  • a non-contact charging system that supplies power by using a power source.
  • each power supply stand may have a self-diagnosis function for diagnosing whether or not the own device functions normally. preferable. Since each power supply station has a self-diagnosis function, a maintenance worker who is in charge of system maintenance and inspection can easily grasp the power supply station in a failure state.
  • Patent Document 1 describes an invention of a power supply stand having a self-diagnosis function that periodically detects an abnormality in a power supply, wiring, and the like and outputs it to a display means (notification device).
  • Patent Document 1 has a problem that the power supply stand becomes expensive because display means for displaying the result of the self-diagnosis is individually provided in each power supply stand.
  • the present invention has been made to solve such a problem, and provides a non-contact charging system capable of grasping a power supply station in a failure state without providing a display means individually for each power supply station. For the purpose.
  • a contactless charging system includes a power supply device (power supply stand) that performs self-diagnosis and transmits state information of the own device, and a terminal device that receives the state information. Composed.
  • non-contact power supply apparatus (non-contact power supply stand) according to the present invention performs self-diagnosis and transmits the status information of the own machine.
  • the non-contact charging system According to the non-contact charging system according to the present invention, it is possible to grasp a power supply stand in a failure state without providing display means individually for each power supply stand.
  • the non-contact charging system 100 includes a power supply station 10 to 30 installed in each of the parking spaces S1 to S3 in the parking lot, and a dedicated terminal 40 carried by a maintenance worker in charge of maintenance and inspection of the power supply stations 10 to 30. It is composed of In addition, power supply coils 15 to 35 and vehicle detection sensors 16 to 36 of the power supply stations 10 to 30 are installed on the ground of the parking spaces S1 to S3, respectively.
  • a wireless communication connection is established between the power supply stand 10 installed in the parking space S ⁇ b> 1 and the electric vehicle 50, and then a high frequency is applied to the power supply coil 15 of the power supply stand 10. Power is supplied. This high frequency power is transmitted to the power receiving coil 53 of the electric vehicle 50 according to the principle of electromagnetic induction or resonance, and charging of a vehicle battery (not shown) is performed.
  • the configurations of the power supply stations 10 to 30 and the dedicated terminal 40 in the non-contact charging system 100 according to this embodiment will be described in order.
  • the power supply stands 10 to 30 all have the same configuration, the power supply stand 10 will be described as an example.
  • the power supply stand 10 includes a wireless communication unit 11, a control unit 12, a power conversion unit 13, a matching unit 14, a power supply coil 15, a vehicle detection sensor 16, and an antenna 17.
  • the wireless communication unit 11 is a wireless communication module based on the ZigBee standard, modulates various data input from the control unit 12 and radiates it as a radio signal from the antenna 17, and demodulates a radio signal received by the antenna 17. The data is extracted and output to the control means 12.
  • the control means 12 is constituted by a microcomputer, and controls the wireless communication means 11, the power conversion means 13, and the matching means 14.
  • the control unit 12 switches the power conversion unit 13 and the matching unit 14 while performing wireless communication with the electric vehicle 50 via the wireless communication unit 11. By controlling, the supply of charging power to the electric vehicle 50 is controlled.
  • the memory of the control means 12 stores a self-diagnosis program 18 for diagnosing whether or not the power supply stand 10 functions normally. At the time of self-diagnosis of the power supply station 10, the control unit 12 performs wireless communication with the dedicated terminal 40 via the wireless communication unit 11, and status information and diagnosis obtained as a result of the self-diagnosis of the power supply station 10. Send information.
  • the power conversion means 13 converts AC power supplied from the system power source into high frequency power having a higher frequency.
  • the matching means 14 matches the impedances of the power conversion means 13 and the feeding coil 15.
  • the high-frequency power output from the matching means 14 is supplied to the feeding coil 15.
  • the vehicle detection sensor 16 detects that the electric vehicle 50 is parked in the parking space S1 where the power supply stand 10 is installed.
  • the dedicated terminal 40 includes a wireless communication unit 41, a control unit 42, a liquid crystal panel 43, and an antenna 44.
  • the wireless communication unit 41 is a wireless communication module based on the ZigBee standard, modulates various data input from the control unit 42 and emits it as a radio signal from the antenna 44, and demodulates a radio signal received by the antenna 44. The data is extracted and output to the control means 42.
  • the control means 42 is constituted by a microcomputer, performs wireless communication with the power supply stations 10 to 30 via the wireless communication means 41, and obtains status information obtained as a result of self-diagnosis of the power supply stations 10 to 30 Get diagnostic information.
  • a list of diagnostic information obtained as a result of self-diagnosis of the power supply stations 10 to 30 is displayed on the liquid crystal panel 43.
  • Each control means of the power supply stations 10 to 30 periodically carries out a self-diagnosis to check whether or not the own machine functions normally (S101).
  • the power supply stand 10 will be described as an example.
  • the self-diagnosis program 18 stored in the memory of the control means 12, the disconnection of the power supply coil 15, the failure of the vehicle detection sensor 16, etc. are inspected. Diagnostic information as shown in FIG. The same applies to the power supply stands 20 and 30.
  • each control unit of the power supply stations 10 to 30 determines whether or not the own device is in a state in which the power supply operation can be performed based on the diagnostic information generated in step S101 (S102).
  • the machine status (“normal” or “failure” and “severity”) is determined (S103).
  • the power supply stand 10 is in a normal state in which the power supply operation can be performed, but the power supply stands 20 and 30 are in a failure state in which the power supply operation cannot be performed.
  • the degree is “1”, and the failure severity of the power supply stand 30 is “5”.
  • each control unit of the power supply stations 10 to 30 creates a beacon signal as shown in FIG. 6 based on the state of the own device determined in step S103 (S104), and the wireless communication unit makes a cycle of 100 ms. Broadcasting is performed (S105).
  • this beacon signal is periodically broadcast by each of the power supply stations 10 to 30 to notify the electric vehicle 50 in the parking lot of its own identifier.
  • the state information of the own device is transmitted in the normal data field of the beacon signal of the ZigBee standard that each of the power supply stations 10 to 30 regularly broadcasts.
  • the wireless communication means 41 of the dedicated terminal 40 carried by the maintenance worker scans the frequency band in which the beacon signal is transmitted (S106), and receives the beacon signal transmitted from each of the power supply stations 10 to 30. (S107).
  • the control means 42 of the dedicated terminal 40 creates a stand list as shown in FIG. 7 based on the reception result of the beacon signal (S108).
  • the stand list of FIG. 7 shows a list of power supply stations that can receive the beacon signal and their state information.
  • the control means 42 of the dedicated terminal 40 extracts only the failed power supply station from the stand list created in step S108, and creates a failure stand list as shown in FIG. 8 (S109).
  • the wireless communication means 41 of the dedicated terminal 40 first establishes a secure wireless communication connection with the power supply station 20 from among the power supply stations included in the failure stand list of FIG. Information is requested (S111). Receiving this, the power supply station 20 returns the diagnostic information generated in step S101 (S112). The wireless communication means 41 of the dedicated terminal 40 disconnects the secure wireless communication connection after receiving the diagnostic information returned from the power supply station 20 (S113).
  • the wireless communication means 41 of the dedicated terminal 40 establishes a secure wireless communication connection with the power supply station 30 included in the failure stand list (S114), and requests diagnostic information (S115). Receiving this, the power supply station 30 returns the diagnostic information generated in step S101 (S116). The wireless communication means 41 of the dedicated terminal 40 disconnects the secure wireless communication connection after receiving the diagnostic information returned from the power supply station 30 (S117). Finally, the control means 42 of the dedicated terminal 40 displays a list of the diagnostic information of the power supply stations 20 and 30 received in steps S112 and S116 on the liquid crystal panel 43 in the format as shown in FIG. 9 (S118). .
  • each of the power supply stations 10 to 30 performs self-diagnosis and periodically transmits the status information of its own device on a beacon signal to perform maintenance work.
  • the dedicated terminal 40 carried by the employee receives these status information.
  • the status information is transmitted on the beacon signal periodically transmitted by each of the power supply stations 10 to 30, but the dedicated terminal 40 requests the status information from each of the power supply stations 10 to 30, and In response to this request, status information may be returned from each of the power supply stations 10 to 30 to the dedicated terminal 40.
  • the status information and diagnostic information of each power supply station 10-30 are connected to each power supply station 10-30 in a wired or wireless manner. It is also possible to collect the information in one server and wirelessly transmit it from this server to the dedicated terminal 40. Further, the communication standard of the wireless communication means is not limited to ZigBee, but may be another communication standard.
  • Each of the power supply stations 10 to 30 may stop periodic transmission of beacons after returning diagnostic information to the dedicated terminal 40. By stopping the periodic transmission of beacons, the power consumption of the power supply station can be reduced.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un système de charge sans contact qui comprend les éléments suivants : des stations d'alimentation électrique qui sont disposées respectivement dans des espaces de stationnement dans un parc de stationnement ; et un terminal dédié porté par un personnel d'entretien qui est en charge de l'entretien et de l'inspection des stations d'alimentation électrique. Chacune des stations d'alimentation électrique effectue un autodiagnostic et transmet ensuite périodiquement des informations d'état ainsi obtenues sur un signal de balise, et le terminal dédié porté par le personnel d'entretien reçoit les informations d'état.
PCT/JP2015/069642 2014-07-30 2015-07-08 Système de charge sans contact, et dispositif d'alimentation électrique sans contact WO2016017382A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014154741A JP2016032397A (ja) 2014-07-30 2014-07-30 非接触充電システムおよび非接触給電装置
JP2014-154741 2014-07-30

Publications (1)

Publication Number Publication Date
WO2016017382A1 true WO2016017382A1 (fr) 2016-02-04

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PCT/JP2015/069642 WO2016017382A1 (fr) 2014-07-30 2015-07-08 Système de charge sans contact, et dispositif d'alimentation électrique sans contact

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WO (1) WO2016017382A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6998983B2 (ja) 2020-03-26 2022-01-18 本田技研工業株式会社 相対位置取得システムの故障判定装置及び故障判定方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010121869A (ja) * 2008-11-20 2010-06-03 Daikin Ind Ltd 室内機及び空気調和機
JP2010263665A (ja) * 2009-04-30 2010-11-18 Nitto Electric Works Ltd 電気自動車用充電スタンド
JP2012249400A (ja) * 2011-05-27 2012-12-13 Nissan Motor Co Ltd 非接触給電装置
JP2013125334A (ja) * 2011-12-13 2013-06-24 Nippon Yunishisu Kk 充電スタンドネットワークシステム及び電気自動車用の充電スタンド認証方法
WO2014157092A1 (fr) * 2013-03-29 2014-10-02 日産自動車株式会社 Système d'alimentation d'électricité sans contact

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010121869A (ja) * 2008-11-20 2010-06-03 Daikin Ind Ltd 室内機及び空気調和機
JP2010263665A (ja) * 2009-04-30 2010-11-18 Nitto Electric Works Ltd 電気自動車用充電スタンド
JP2012249400A (ja) * 2011-05-27 2012-12-13 Nissan Motor Co Ltd 非接触給電装置
JP2013125334A (ja) * 2011-12-13 2013-06-24 Nippon Yunishisu Kk 充電スタンドネットワークシステム及び電気自動車用の充電スタンド認証方法
WO2014157092A1 (fr) * 2013-03-29 2014-10-02 日産自動車株式会社 Système d'alimentation d'électricité sans contact

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