# US 2022/0032800 A1 · Vehicle charging system and power receiving fitting body > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0032800 A1 - Document ID: US20220032800A1 - Status: Published application - Kind: A1 - Application number: 17/386,046 - Filed: 2021-07-27 - Published: 2022-02-03 - Earliest claimed: 2020-07-31 - Assignees: Yazaki Corporation - Applicants: Yazaki Corporation - Inventors: Yukinari NAGANISHI; Satoru HORIUCHI; Yuichi TAKAHASHI - Web page: https://patentgrep.com/patent/US20220032800A1 ## CPC - B60L 53/35: Means for automatic or assisted adjustment of the relative position of charging devices and vehicles - B60L 53/14: Conductive energy transfer - B60L 53/16: Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles - B60L 53/30: Constructional details of charging stations - B60L 53/31: Charging columns specially adapted for electric vehicles - B60L 53/36: by positioning the vehicle - H01R 13/4538: {Covers sliding or withdrawing in the direction of engagement} - H01R 13/639: Additional means for holding or locking coupling parts together, after engagement, {e.g. separate keylock, retainer strap} - H01R 13/4534: {Laterally sliding shutter} - H01R 13/4536: {Inwardly pivoting shutter} - H01R 13/629: Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure {electrical locking indicators, manufacturing tolerances (separate tools or apparatus H01R43/26)} - H01R 2201/26: for vehicles - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - Y02T 90/12: Electric charging stations - Y02T 90/14: Plug-in electric vehicles - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A vehicle charging system includes: a power supply device including a power supply fitting body and provided in a stop space of a vehicle; and a power receiving fitting body that is provided on a bottom of the vehicle and is able to be fitted to and removed from the power supply fitting body in an insertion/removal direction. The power receiving fitting body includes power receiving terminals electrically connected no a battery provided in the vehicle, a power receiving terminal holding part that holds the power receiving terminals, and an opposite space forming part that is arranged adjacent to the power receiving terminal holding part in the insertion/removal direction and forms an opposite space facing the power receiving terminals. ## Claims ### Claim 1 A vehicle charging system comprising: a power supply device including a power supply fitting body and provided in a stop space of a vehicle; and a power receiving fitting body that is provided on a bottom of the vehicle and is able to be fitted to and removed from the power supply fitting body in an insertion/removal direction, wherein the power receiving fitting body includes a power receiving terminal electrically connected to a battery provided in the vehicle, a power receiving terminal holding part that holds the power receiving terminal, and an opposite space forming part that is arranged adjacent to the power receiving terminal holding part in the insertion/removal direction and forms an opposite space facing the power receiving terminal, the power supply fitting body includes a power supply terminal electrically connected to a charging device provided outside the vehicle, the power supply device includes at least an insertion/removal direction movement part that moves the power supply fitting body in the insertion/removal direction, and when the power supply fitting body is located in the opposite space and the power supply terminal and the power receiving terminal are in an opposite state in which the power supply terminal and the power receiving terminal are opposite to each other in the insertion/removal direction, the insertion/removal direction movement part causes the power receiving fitting body and the power supply fitting body to be fitted to each other by moving the power supply fitting body toward the power receiving fitting body in the insertion/removal direction, and electrically connects the battery and the charging device by bringing the power receiving terminal and the power supply terminal into contact with each other. ### Claim 2 (depends on 1) The vehicle charging system according to claim 1, wherein the power receiving terminal holding part has a holding portion opening at an end of the power receiving terminal in a removal direction, the holding portion opening connecting the opposite space with an internal space of the power receiving terminal holding part, the power receiving fitting body has a holding portion door that opens and closes the holding portion opening, the holding portion door is in an open state by external force based on a movement of the power supply fitting body by the insertion/removal direction movement part, and exposes the power receiving terminal to the opposite space via the holding portion opening, and the holding portion door is in a closed state due to absence of the external force based on the movement of the power supply fitting body by the insertion/removal direction movement part, and closes the holding portion opening. ### Claim 3 (depends on 1) The vehicle charging system according to claim 1, wherein the opposite space forming part has guide surfaces that are arranged on a side of the power receiving fitting body in the insertion/removal direction and face the power supply fitting body in the insertion/removal direction in the opposite state, the guide surfaces are arranged in a pair with the power receiving terminal holding part interposed therebetween, and a distance between the pair of guide surfaces in a width direction becomes shorter toward the power receiving fitting body in the insertion/removal direction. ### Claim 4 (depends on 2) The vehicle charging system according to claim 2, wherein the opposite space forming part has guide surfaces that are arranged on a side of the power receiving fitting body in the insertion/removal direction and face the power supply fitting body in the insertion/removal direction in the opposite state, the guide surfaces are arranged in a pair with the power receiving terminal holding part interposed therebetween, and a distance between the pair of guide surfaces in a width direction becomes shorter toward the power receiving fitting body in the insertion/removal direction. ### Claim 5 (depends on 1) The vehicle charging system according to claim 1, wherein the power supply device has a vertical movement part that causes the power supply fitting body to advance and retract with respect so the opposite space by moving the power supply fitting body in a vertical direction of the vehicle. ### Claim 6 (depends on 2) The vehicle charging system according to claim 2, wherein the power supply device has a vertical movement part that causes the power supply fitting body to advance and retract with respect to the opposite space by moving the power supply fitting body in a vertical direction of the vehicle. ### Claim 7 (depends on 3) The vehicle charging system according to claim 3, wherein the power supply device has a vertical movement part that causes the bower supply fitting body to advance and retract with respect to the opposite space by moving the power supply fitting body in a vertical direction of the vehicle. ### Claim 8 (depends on 4) The vehicle charging system according to claim 4, wherein the power supply device has a vertical movement part that causes the power supply fitting body to advance and retract with respect to the opposite space by moving the power supply fitting body in a vertical direction of the vehicle. ### Claim 9 (depends on 5) The vehicle charging system according to claim 5, wherein the opposite space forming part has a forming portion opening that connects the opposite space and an exterior in a downward direction, the power receiving fitting body has a forming portion door that opens and closes the forming portion opening, the forming portion door is in an open state by external force based on a movement of the power supply fitting body by the vertical movement part, and connects the opposite space with an exterior via the forming portion opening, and the forming portion door is in a closed state due to absence of the external force based on the movement of the power supply fitting body by the vertical movement part, and closes the forming portion opening. ### Claim 10 (depends on 6) The vehicle charging system according to claim 6, wherein the opposite space forming part has a forming portion opening that connects the opposite space and an exterior in a downward direction, the power receiving fitting body has a forming portion door that opens and closes the forming portion opening, the forming portion door is in an open state by external force based on a movement of the power supply fitting body by the vertical movement part, and connects the opposite space with an exterior via the forming portion opening, and the forming portion door is in a closed state due to absence of the external force based on the movement of the power supply fitting body by the vertical movement part, and closes the forming portion opening. ### Claim 11 (depends on 7) The vehicle charging system according to claim 7, wherein the opposite space forming part has a forming portion opening that connects the opposite space and an exterior in a downward direction, the power receiving fitting body has a forming portion door that opens and closes the forming portion opening, the forming portion door is in an open state by external force based on a movement of the power supply fitting body by the vertical movement part, and connects the opposite space with an exterior via the forming portion opening, and the forming portion door is in a closed state due to absence of the external force based on the movement of the power supply fitting body by the vertical movement part, and closes the forming portion opening. ### Claim 12 (depends on 8) The vehicle charging system according to claim 8, wherein the opposite space forming part has a forming portion opening that connects the opposite space and an exterior in a downward direction, the power receiving fitting body has a forming portion door that opens and closes the forming portion opening, the forming portion door is in an open state by external force based on a movement of the power supply fitting body by the vertical movement part, and connects the opposite space with an exterior via the forming portion opening, and the forming portion door is in a closed state due to absence of the external force based on the movement of the power supply fitting body by the vertical movement part, and closes the forming portion opening. ### Claim 13 (depends on 5) The vehicle charging system according to claim 5, wherein the opposite space forming part has a contact surface coming into contact with a ceiling surface of the power supply fitting body when the power supply fitting body is moved in an upward direction by the vertical movement part, one of the ceiling surface and the contact surface is formed with a convex portion extending in the insertion/removal direction, the other of the ceiling surface and the contact surface is formed with a concave portion configured to engage with de convex portion and extending in the insertion/removal direction, and when the convex portion and the concave portion engage with each other in the opposite state, an axial direction of the power supply terminal becomes parallel to an axial direction of the power receiving terminal. ### Claim 14 (depends on 6) The vehicle charging system according to claim 6, wherein the opposite space forming part has a contact surface coming into contact with a ceiling surface of the power supply fitting body when the power supply fitting body is moved in an upward direction by the vertical movement part, one of the ceiling surface and the contact surface is formed with a convex portion extending in the insertion/removal direction, the other of the ceiling surface and the contact surface is formed with a concave portion configured to engage with the convex portion and extending in the insertion/removal direction, and when the convex portion and the concave portion engage with each other in the opposite state, an axial direction of the power supply terminal becomes parallel to an axial direction of the power receiving terminal. ### Claim 15 (depends on 7) The vehicle charging system according to claim 7, wherein the opposite space forming part has a contact surface coming into contact with a ceiling surface of the power supply fitting body when the power supply fitting body is moved in an upward direction by the vertical movement part, one of the ceiling surface and the contact surface is formed with a convex portion extending in the insertion/removal direction, the other of the ceiling surface and the contact surface is formed with a concave portion configured to engage with the convex portion and extending in the insertion/removal direction, and when the convex portion and the concave portion engage with each other in the opposite state, an axial direction of the power supply terminal becomes parallel to an axial direction of the power receiving terminal. ### Claim 16 (depends on 8) The vehicle charging system according to claim 8, wherein the opposite space forming part has a contact surface coming into contact with a ceiling surface of the power supply fitting body when the power supply fitting body is moved in an upward direction by the vertical movement part, one of the ceiling surface and the contact surface is formed with a convex portion extending in the insertion/removal direction, the other of the ceiling surface and the contact surface is formed with a concave portion configured to engage with the convex portion and extending in the insertion/removal direction, and when the convex portion and the concave portion engage with each other in the opposite state, an axial direction of the power supply terminal becomes parallel to an axial direction of the power receiving terminal. ### Claim 17 (depends on 9) The vehicle charging system according to claim 9, wherein the opposite space forming part has a contact surface coming into contact with a ceiling surface of the power supply fitting body when the power supply fitting body is moved in an upward direction by the vertical movement part, one of the ceiling surface and the contact surface is formed with a convex portion extending in the insertion/removal direction, the other of the ceiling surface and the contact surface is formed with a concave portion configured to engage with the convex portion and extending in the insertion/removal direction, and when the convex portion and the concave portion engage with each other in the opposite state, an axial direction of the power supply terminal becomes parallel to an axial direction of the power receiving terminal. ### Claim 18 (depends on 1) The vehicle charging system according to claim 1, wherein the power receiving fitting body has a plurality of the power receiving terminals, and the power receiving terminals are arranged side by side in a width direction that is a direction different from the insertion/removal direction and the vertical direction of the vehicle. ### Claim 19 (depends on 2) The vehicle charging system according to claim 2, wherein the power receiving fitting body has a plurality of the power receiving terminals, and the power receiving terminals are arranged side by side in a width direction that is a direction different from the insertion/removal direction and the vertical direction of the vehicle. ### Claim 20 A power receiving fitting body that is provided on a bottom of a vehicle and is able to be fitted to and removed from a power supply fitting body in an insertion/removal direction, the power supply fitting body being included in a power supply device provided in a stop space of a vehicle, the power receiving fitting body comprising: a power receiving terminal electrically connected to a battery provided in the vehicle; a power receiving terminal holding part that holds the power receiving terminal; and an opposite space forming part that is arranged adjacent to the power receiving terminal holding part in the insertion/removal direction and forms an opposite space facing the power receiving terminal, wherein the power receiving terminal is able to face and come into contact with, in the insertion/removal direction, a power supply terminal electrically connected to a charging device provided outside the vehicle, and when the power supply fitting body is moved toward a side of the power receiving fitting body in the insertion/removal direction, the power receiving fitting body is fitted to the power supply fitting body and the power receiving terminal and the power supply terminal come into contact with each other so as to electrically connect the battery and the charging device.