JP2020127269A5 - - Google Patents
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- JP2020127269A5 JP2020127269A5 JP2019017424A JP2019017424A JP2020127269A5 JP 2020127269 A5 JP2020127269 A5 JP 2020127269A5 JP 2019017424 A JP2019017424 A JP 2019017424A JP 2019017424 A JP2019017424 A JP 2019017424A JP 2020127269 A5 JP2020127269 A5 JP 2020127269A5
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- JP
- Japan
- Prior art keywords
- power
- switch
- load
- secondary coil
- time
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 238000001514 detection method Methods 0.000 claims 3
- 238000000926 separation method Methods 0.000 claims 3
- 239000003990 capacitor Substances 0.000 claims 1
Claims (5)
前記１次コイルから非接触で受電可能な２次コイル（３１）と、
前記２次コイルに接続され、該２次コイルとともに共振回路（３３）を構成するコンデンサ（３２）と、
前記負荷と前記共振回路との間に設けられ、前記負荷への入力電力を調整する電力調整回路（４０）と、
前記電力調整回路を制御する制御装置（５０）と、を備え、
前記電力調整回路は、所定周期でオンオフされるスイッチ（４２）を有しており、前記所定周期内における前記スイッチのオン時間が調整されることで、前記負荷への入力電力が調整されており、
前記負荷は、充電可能な蓄電池であって、
前記制御装置は、
前記２次コイルと前記１次コイルとの離間距離を算出する距離算出部と、
前記離間距離に基づいて、前記スイッチのオン時間を設定する時間設定部と、
前記蓄電池の電池電圧を取得する電圧取得部と、
を有し、
前記時間設定部は、前記電池電圧を加味して、前記スイッチのオン時間を設定する受電機器。 An in-vehicle power receiving device (30) that receives the AC power from a power transmitting device (20) having a primary coil (21) into which AC power is input and supplies power to a load (17).
A secondary coil (31) capable of receiving power from the primary coil in a non-contact manner, and
A capacitor (32) connected to the secondary coil and forming a resonance circuit (33) together with the secondary coil.
A power adjustment circuit (40) provided between the load and the resonance circuit to adjust the input power to the load, and
A control device (50) for controlling the power adjustment circuit is provided.
The power adjustment circuit has a switch (42) that is turned on and off at a predetermined cycle, and the input power to the load is adjusted by adjusting the on time of the switch within the predetermined cycle. ,
The load is a rechargeable storage battery.
The control device is
A distance calculation unit that calculates the distance between the secondary coil and the primary coil,
A time setting unit that sets the on time of the switch based on the separation distance,
A voltage acquisition unit that acquires the battery voltage of the storage battery , and
Have a,
The time setting unit is a power receiving device that sets the on-time of the switch in consideration of the battery voltage.
前記時間設定部は、前記離間距離が大きいほど、前記負荷側への通電時間が長くなるように、前記スイッチのオン時間を設定する請求項１に記載の受電機器。 The power adjustment circuit enables the load to be energized from the secondary coil side by turning the switch on and off.
The power receiving device according to claim 1, wherein the time setting unit sets the on-time of the switch so that the larger the separation distance, the longer the energization time on the load side.
前記２次コイルは、前記車体に設けられており、
前記距離算出部は、前記検出部による検出距離に基づいて、前記２次コイルと前記１次コイルとの離間距離を算出する請求項１又は請求項２に記載の受電機器。 It is applied to a vehicle (15) provided with a detection unit (16) for detecting the distance between the traveling road surface of the vehicle 15 and the vehicle body.
The secondary coil is provided on the vehicle body and is provided on the vehicle body.
The power receiving device according to claim 1 or 2, wherein the distance calculation unit calculates the distance between the secondary coil and the primary coil based on the detection distance by the detection unit.
前記時間設定部は、前記離間距離が大きいほど、前記スイッチのオン時間を減少させる請求項１から請求項３のいずれか１項に記載の受電機器。 The power adjustment circuit enables the load to be energized from the secondary coil side when the switch is turned off.
The power receiving device according to any one of claims 1 to 3, wherein the time setting unit reduces the on-time of the switch as the separation distance increases.
前記時間設定部は、前記電池電圧が大きいほど、前記スイッチのオン時間を増加させる請求項１から請求項４のいずれか一項に記載の受電機器。 The power adjustment circuit enables the load to be energized from the secondary coil side when the switch is turned off.
The power receiving device according to any one of claims 1 to 4, wherein the time setting unit increases the on-time of the switch as the battery voltage increases.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019017424A JP2020127269A (en) | 2019-02-01 | 2019-02-01 | Power receiving apparatus |
| PCT/JP2020/002266 WO2020158559A1 (en) | 2019-02-01 | 2020-01-23 | Power receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019017424A JP2020127269A (en) | 2019-02-01 | 2019-02-01 | Power receiving apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2020127269A JP2020127269A (en) | 2020-08-20 |
| JP2020127269A5 true JP2020127269A5 (en) | 2021-03-04 |
Family
ID=71840971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019017424A Pending JP2020127269A (en) | 2019-02-01 | 2019-02-01 | Power receiving apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2020127269A (en) |
| WO (1) | WO2020158559A1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10286795B2 (en) * | 2014-04-16 | 2019-05-14 | Mitsubishi Electric Corporation | Charging device for electric vehicle |
| EP3444924A4 (en) * | 2016-04-20 | 2019-04-24 | Yamaha Hatsudoki Kabushiki Kaisha | Wireless power supply device |
| CN110945746A (en) * | 2017-07-25 | 2020-03-31 | 日本电产株式会社 | Power transmission device and non-contact power supply system |
-
2019
- 2019-02-01 JP JP2019017424A patent/JP2020127269A/en active Pending
-
2020
- 2020-01-23 WO PCT/JP2020/002266 patent/WO2020158559A1/en active Application Filing
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