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CN-122009096-A - Power conversion method, battery compartment and power conversion station

CN122009096ACN 122009096 ACN122009096 ACN 122009096ACN-122009096-A

Abstract

The invention provides a battery changing method, a battery compartment and a battery changing station, and relates to the technical field of battery changing, wherein the battery changing method comprises the steps of identifying a buffer memory bit of the battery compartment, wherein the buffer memory bit comprises a fixed buffer memory bit or a random buffer memory bit, the fixed buffer memory bit is a preset bin bit for transferring a battery, and the random buffer memory bit is an idle charging bit; the method comprises the steps of transferring the battery with the power shortage on the vehicle to the buffer position, charging the battery with the power shortage through the random buffer position if the buffer position adopts the random buffer position, taking the battery with the power shortage out of the charging position and transferring the battery with the power shortage to the vehicle to finish the power change operation, and transferring the battery with the power shortage on the fixed buffer position to the charging position for charging if the buffer position adopts the fixed buffer position. The invention realizes high-efficiency power conversion and simultaneously gives consideration to different scene requirements.

Inventors

  • BI ZHONGJIE
  • SUN HUA
  • GAO JINGXIN
  • WANG KUN
  • YANG WEN
  • YANG YONG
  • HUANG XIAODONG
  • TANG XIAOZHE

Assignees

  • 杭州极能时代科技有限公司

Dates

Publication Date
20260512
Application Date
20260304

Claims (10)

  1. 1. A power conversion method is suitable for converting power of a vehicle through a battery compartment (2), wherein the battery compartment (2) comprises a charging bit or comprises a charging bit and a fixed buffer memory bit, the power conversion method comprises the steps of identifying the buffer memory bit of the battery compartment (2), wherein the buffer memory bit comprises the fixed buffer memory bit or a random buffer memory bit, the fixed buffer memory bit is a preset bin bit for transferring a battery, the random buffer memory bit is the idle charging bit, transferring a battery with insufficient power to the buffer memory bit on the vehicle, charging the battery with insufficient power through the random buffer memory bit if the buffer memory bit is the random buffer memory bit, taking the battery with insufficient power from the charging bit and transferring the battery to the vehicle to finish power conversion operation, and transferring the battery with insufficient power to the charging bit for charging if the buffer memory bit is the fixed buffer memory bit.
  2. 2. The power conversion method according to claim 1, characterized by further comprising: After the single power change is completed, the random cache bit for storing the battery with the power shortage and charging is determined to be the occupied charging bit, and the charging bit converted into idle after the battery with the power shortage is taken out is determined to be the random cache bit.
  3. 3. The power conversion method according to claim 1, wherein the step of identifying the buffer position of the battery compartment (2) includes monitoring the state of the buffer position of each charging position in real time, determining the charging position which is currently battery-free and normally charged as the random buffer position, or determining the preset buffer position for transferring the battery in the battery compartment (2) as the fixed buffer position.
  4. 4. The power conversion method according to any one of claims 1 to 3, wherein transferring the battery with the power shortage on the vehicle to the buffer location includes controlling a power conversion device (5) to transfer the battery with the power shortage on the vehicle to the buffer location through a preset path when the battery with the power shortage on the vehicle is in a detached state, and starting a charging operation after the transfer is completed if the buffer location adopts the random buffer location.
  5. 5. The power conversion method according to claim 4, wherein a power conversion channel (3) is arranged in a preset range of the battery compartment (2), when the vehicle enters the power conversion channel (3), the power shortage battery on the vehicle is at least parallel to the buffer storage position, and the controlling the power conversion device (5) to transfer the power shortage battery to the buffer storage position through a preset path comprises controlling the power conversion device (5) to at least perform grabbing, moving and releasing actions according to the position of the power shortage battery and the buffer storage position of the vehicle on the power conversion channel (3) so as to transfer the power shortage battery from the vehicle to the buffer storage position.
  6. 6. A method of changing electric power according to any one of claims 1-3, characterized in that the charging place is provided with a plurality of, that the full battery is taken out of the charging place and transferred to the vehicle, and that the operation of changing electric power is completed comprises determining a target potential in the plurality of charging places according to the charging states of the plurality of charging places and the relative positions between the vehicle and the battery compartment (2), and that the full battery is taken out of the target potential and transferred to the vehicle.
  7. 7. The method according to claim 6, wherein a plurality of the charging bits are arranged in a linear array, wherein the charging bits of each row or each column are parallel to each other, and wherein determining a target potential among the plurality of charging bits according to the charging states of the plurality of charging bits and the relative positions between the vehicle and the battery compartment (2) comprises screening the charging bits of which the charging states are full-charge states, and selecting the charging bit closest to the vehicle from the charging bits of which the charging states are full-charge states as the target potential.
  8. 8. A battery compartment, characterized in that, by applying the power changing method according to any one of claims 1-7, the battery compartment (2) comprises a charging bit or further comprises a charging bit and a fixed buffer bit, the free charging bit is a random buffer bit, the fixed buffer bit or the random buffer bit forms a buffer bit, both the charging bit and the buffer bit are provided with storage structures, and the charging bit further comprises a charging component.
  9. 9. The battery compartment of claim 8, wherein the storage structure comprises a frame (7) and a guiding assembly, the guiding assembly is arranged on the frame (7), the frame (7) is used for bearing a battery, the guiding assembly is matched with the battery and used for guiding and positioning the battery during transportation and storage, and the battery comprises a battery with a shortage or a battery with a full charge.
  10. 10. A power exchange station, characterized by comprising a control room (1) and a battery compartment (2) according to any of claims 8-9, the control room (1) being adapted to perform a power exchange method according to any of claims 1-7.

Description

Power conversion method, battery compartment and power conversion station Technical Field The invention relates to the technical field of power conversion, in particular to a power conversion method, a battery compartment and a power conversion station. Background In the field of new energy automobile battery replacement, especially in heavy truck operation with severe efficiency requirements, improvement of the operation efficiency of a battery replacement station and the turnover speed of a battery are key requirements. In the related art, during power conversion, in order to store the battery with power shortage detached from the vehicle, a carrying process of "vehicle→space for transfer→charge" is performed on the battery with power shortage by setting a space for transfer. The related technical scheme has the defects that the charging time required by the battery based on the transit bin is long, the charging efficiency is low, and the flexibility of coping with different operation scenes is lacking. Disclosure of Invention The invention aims to solve at least one of the problems that the battery is longer in charging time, lower in charging efficiency and lack of coping flexibility for different operation scenes based on the transit bin. In order to solve the above problems, in a first aspect, the present invention provides a power conversion method, which is suitable for converting power of a vehicle through a battery compartment, where the battery compartment includes a charging bit, or further includes a charging bit and a fixed buffer bit, and the power conversion method includes: Identifying a buffer bit of a battery compartment, wherein the buffer bit comprises the fixed buffer bit or a random buffer bit, the fixed buffer bit is a preset bin bit for transferring a battery, and the random buffer bit is the idle charging bit; Transferring the battery with the power shortage on the vehicle to the cache bit, and charging the battery with the power shortage through the random cache bit if the cache bit adopts the random cache bit; taking out the full-charge battery from the charging position and transferring the full-charge battery to the vehicle to finish the power change operation; And if the buffer memory bit adopts the fixed buffer memory bit, transferring the battery with the power shortage on the fixed buffer memory bit to the charging bit for charging. Optionally, the power conversion method further includes: After the single power change is completed, the random cache bit for storing the battery with the power shortage and charging is determined to be the occupied charging bit, and the charging bit converted into idle after the battery with the power shortage is taken out is determined to be the random cache bit. Optionally, the identifying the buffer bit of the battery compartment includes: Monitoring the bin state of each charging bit in real time, and determining the charging bit which is not currently provided with a battery and has normal charging as the random cache bit; Or determining the preset bin for transferring the battery in the battery bin as the fixed buffer memory. Optionally, the transferring the on-vehicle battery to the buffer location includes: when the power-deficient battery on the vehicle is in a disassembled state, controlling a power conversion device to transfer the power-deficient battery to the cache position through a preset path; and if the cache bit adopts the random cache bit, starting charging operation after the transfer is completed. Optionally, a power exchanging channel is arranged in a preset range of the battery compartment, and when the vehicle enters the power exchanging channel, the power-deficient battery on the vehicle is at least parallel to the buffer memory position; the controlling the power conversion device to transfer the power-deficient battery to the buffer storage position through a preset path comprises: And controlling the power conversion equipment to at least carry out grabbing, moving and releasing actions according to the position of the power shortage battery and the position of the buffer storage position of the vehicle on the power conversion channel so as to transfer the power shortage battery from the vehicle to the buffer storage position. Optionally, the charging station is provided with a plurality of charging stations, the full-charge battery is taken out from the charging station and transferred to the vehicle, and the completion of the power exchanging operation includes: Determining target potential taking in the plurality of charging potentials according to the charging states of the plurality of charging potentials and the relative positions between the vehicle and the battery bin; and taking out the full-charge battery from the target potential and transferring the full-charge battery to the vehicle. Optionally, the charging bits are arranged in a linear array, wherein the charging bits of each row or each column are p