# US 12,005,805 B2 · Battery replacement device and control method therefor

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- Number: US 12,005,805 B2
- Document ID: US12005805B2
- Status: Granted
- Kind: B2
- Application number: 17/262,193
- Filed: 2019-07-23
- Published: 2021-12-09
- Granted: 2024-06-11
- Earliest claimed: 2018-07-23
- Assignees: Aulton New Energy Automotive Technology Group
- Applicants: Aulton New Energy Automotive Technology Group
- Inventors: Jianping Zhang; Wencheng Lu
- Web page: https://patentgrep.com/patent/US12005805B2

## CPC

- B60L 53/80: Exchanging energy storage elements, e.g. removable batteries
- B60L 3/0046: {relating to electric energy storage systems, e.g. batteries or capacitors}
- B60L 53/65: involving identification of vehicles or their battery types
- B60R 25/102: a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
- B60S 5/06: Supplying batteries to, or removing batteries from, vehicles (exchanging batteries for electric propulsion of vehicles B60L53/80)
- B60L 2250/10: by alarm
- B60L 2250/16: by display
- B60L 2270/34: of parts
- B60R 2325/108: Encryption
- 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 90/167: 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]
- Y04S 30/14: Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
- 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
- B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60S: SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- 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

## Abstract

Disclosed are a battery replacement device (1″) and a control method therefor. The battery replacement device (1″) is used for mounting a battery on an electric vehicle, and sending a security message to a battery lock (2″) to unlock the battery, so that the battery is electrically connected to the electric vehicle.

## Claims

### Claim 1

A battery lock, wherein the battery lock is applicable for battery replacement of electric vehicles;
the battery lock is used to unlock the battery when receiving a security message sent by an external device, so that the battery is electrically connected to the electric vehicle;
wherein the battery lock comprises: a sending unit;
the sending unit is used to send an acquired battery lock signal to the external device to generate the security message;
the battery lock signal is used to indicate that the battery is installed on the electric vehicle.

### Claim 2 (depends on 1)

The battery lock of claim 1, wherein the battery lock further comprises a storage unit;
the storage unit is used to store the security message.

### Claim 3 (depends on 1)

The battery lock of claim 1, wherein the battery lock further comprises: a receiving unit and a locking unit;
the receiving unit is used to invoke the locking unit when receiving a battery unlock signal;
the locking unit is used to lock the battery so that the battery is electrically disconnected from the electric vehicle;
the battery unlock signal is used to indicate that the battery is removed from the electric vehicle.

### Claim 4 (depends on 3)

The battery lock according to claim 3, wherein after locking the battery, the locking unit is further used to invoke the sending unit;
the sending unit is further used to send the security message to the external device.

### Claim 5 (depends on 1)

The battery lock according to claim 1, wherein the battery lock is arranged in the electric vehicle;
and/or, the external device is a battery replacement device or a battery replacement station.

### Claim 6

A battery replacement device for replacing a battery of an electric vehicle, wherein the battery replacement device is used to install the battery on the electric vehicle and send a security message to a battery lock to unlock the battery, so that the battery is electrically connected to the electric vehicle;
wherein the battery replacement device comprises: a receiving unit and a message generating unit;
the receiving unit is used to invoke the message generating unit when receiving a battery lock signal sent by the battery lock;
the message generating unit is used to generate the security message;
the battery lock signal is used to indicate that the battery is installed on the electric vehicle.

### Claim 7 (depends on 6)

The battery replacement device according to claim 6, wherein the battery replacement device further comprises: a removing and installing unit;
the removing and installing unit is used to remove the battery from the electric vehicle.

### Claim 8 (depends on 7)

The battery replacement device according to claim 7, wherein the battery replacement device further comprises: a verification unit;
after the battery is removed, the verification unit is used to obtain and verify the security message of the battery lock, and when the verification is successful, send a security signal to the battery replacement device.

### Claim 9 (depends on 8)

The battery replacement device of claim 8, wherein the battery replacement device further comprises: an alarm unit;
the verification unit is further used to invoke the alarm unit when the verification is not successful;
the alarm unit is used to generate an alarm information.

### Claim 10 (depends on 8)

The battery replacement device of claim 8, wherein the verification unit is further used to verify a user identity and an identifier of a target battery when receiving the unlock request, and send the security message to the target battery when the verification is successful;
the unlock request comprises the user identity and the identifier.

### Claim 11

A battery replacement encryption system for battery replacement of electric vehicles, wherein the battery replacement encryption system comprises: a battery replacement device and a battery lock;
the battery replacement device is used to install the battery on the electric vehicle and send a security message to the battery lock;
the battery lock is used to unlock the battery when receiving the security message, so that the battery is electrically connected to the electric vehicle;
wherein the battery lock is further used to obtain a battery lock signal and send it to the battery replacement device;
the battery lock signal is used to indicate that the battery is installed on the electric vehicle;
the battery replacement device is used to generate the security message when receiving the battery lock signal.

### Claim 12 (depends on 11)

The battery replacement encryption system of claim 11, wherein the battery lock is further used to store the security message.

### Claim 13 (depends on 11)

The battery replacement encryption system of claim 11, wherein the battery replacement device is also used to remove the battery from the electric vehicle;
the battery lock is further used to lock the battery when obtaining a battery unlock signal, so that the battery is electrically disconnected from the electric vehicle;
the battery unlock signal is used to indicate that the battery is removed from the electric vehicle.

### Claim 14 (depends on 13)

The battery replacement encryption system of claim 13, wherein after the battery is removed, the battery replacement device is further used to obtain and verify the security message of the battery lock, and when the verification is successful, generate a security signal and send it to the battery charging device.

### Claim 15 (depends on 14)

The battery replacement encryption system according to claim 14, wherein the battery replacement device is further used to generate an alarm information when the verification is not successful.

### Claim 16 (depends on 11)

The battery replacement encryption system according to claim 11, wherein the battery replacement device is further used to verify a user identity and an identifier of a target battery when receiving the unlock request, and send the security message to the battery lock of the target battery;
the unlock request comprises the user identity and the identifier.