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CN-121973578-A - Vehicle shock absorber temperature control system and method, vehicle and storage medium

CN121973578ACN 121973578 ACN121973578 ACN 121973578ACN-121973578-A

Abstract

The invention discloses a vehicle shock absorber temperature control system, a method, a vehicle and a storage medium. The system comprises a first heat exchange loop, a second heat exchange loop, a multi-way switching valve, a shock absorber liquid side loop and a controller, wherein the first heat exchange loop is connected with the multi-way switching valve and is used for cooling liquid to obtain cooled cooling liquid, the second heat exchange loop is connected with the multi-way switching valve and is used for heating the cooling liquid to obtain heated cooling liquid, the controller is used for controlling the multi-way switching valve to switch to a target state according to the temperature of the shock absorber, the target state comprises a first state and a second state, the shock absorber liquid side loop is connected with the first heat exchange loop in series through the multi-way switching valve of the first state, and the shock absorber liquid side loop is connected with the second heat exchange loop in series through the multi-way switching valve of the second state. The invention solves the technical problem of how to adaptively control the temperature of the shock absorber so as to ensure the normal operation of the shock absorber.

Inventors

  • SUN QINGSHUN

Assignees

  • 中国第一汽车股份有限公司

Dates

Publication Date
20260505
Application Date
20260317

Claims (10)

  1. 1. A temperature control system of a vehicle shock absorber is characterized by comprising a first heat exchange circuit, a second heat exchange circuit, a multi-way switching valve, a shock absorber liquid side circuit and a controller; The first heat exchange loop is connected with the multi-way switching valve and is used for cooling the cooling liquid to obtain cooled cooling liquid; the second heat exchange loop is connected with the multi-way switching valve and is used for heating the cooling liquid to obtain heating cooling liquid; The controller is arranged to control the multi-way switching valve to switch to a target state according to the temperature of the shock absorber, wherein the target state comprises a first state and a second state, the shock absorber liquid side loop is connected in series with the first heat exchange loop through the multi-way switching valve in the first state so that the temperature-reducing cooling liquid cools the shock absorber, and the shock absorber liquid side loop is connected in series with the second heat exchange loop through the multi-way switching valve in the second state so that the temperature-increasing cooling liquid warms the shock absorber.
  2. 2. The vehicle shock absorber temperature control system of claim 1, wherein the first heat exchange circuit comprises an evaporative heat exchanger configured to cool the cooling fluid to provide the cooled cooling fluid.
  3. 3. The vehicle shock absorber temperature control system of claim 1, wherein the second heat exchange circuit comprises a condensing heat exchanger configured to warm the coolant to provide the warmed coolant.
  4. 4. The vehicle shock absorber temperature control system of claim 1, wherein the multi-way switching valve comprises an eight-way valve for forming a first passage of the shock absorber liquid side circuit in series with the first heat exchange circuit or for forming a second passage of the shock absorber liquid side circuit in series with the second heat exchange circuit.
  5. 5. The vehicle shock absorber temperature control system of claim 1, further comprising a temperature sensor configured to detect a temperature of the shock absorber.
  6. 6. The vehicle shock absorber temperature control system of claim 2, wherein the first heat exchange circuit further comprises a first water pump configured to drive the cooling fluid through the evaporative heat exchanger to provide the reduced temperature cooling fluid and to deliver the reduced temperature cooling fluid to the shock absorber fluid side circuit.
  7. 7. The vehicle shock absorber temperature control system of claim 3, wherein the second heat exchange circuit further comprises a second water pump configured to drive the coolant through the condensing heat exchanger to obtain the warmed coolant and to deliver the warmed coolant to the shock absorber liquid side circuit.
  8. 8. A vehicle shock absorber temperature control method, characterized in that the vehicle shock absorber temperature control method is applied to the vehicle shock absorber temperature control system according to any one of claims 1 to 7, the vehicle shock absorber temperature control method comprising: monitoring a damper temperature of a vehicle in response to the vehicle being in a vehicle-on state; And controlling a multi-way switching valve to switch to a target state based on the temperature of the shock absorber, wherein the target state comprises a first state and a second state, a shock absorber liquid side loop is connected in series with a first heat exchange loop through the multi-way switching valve in the first state so as to enable cooling liquid to cool the shock absorber, and the shock absorber liquid side loop is connected in series with a second heat exchange loop through the multi-way switching valve in the second state so as to enable heating liquid to heat the shock absorber.
  9. 9. A vehicle, comprising the vehicle shock absorber temperature control system according to claim 1 to 7.
  10. 10. A computer-readable storage medium, characterized in that the computer-readable storage medium includes a stored executable program, wherein the apparatus in which the computer-readable storage medium is controlled to execute the vehicle shock absorber temperature control method as set forth in claim 8 when the executable program runs.

Description

Vehicle shock absorber temperature control system and method, vehicle and storage medium Technical Field The invention relates to the technical field of vehicle control, in particular to a vehicle shock absorber temperature control system and method, a vehicle and a storage medium. Background The automobile shock absorber can produce a large amount of heat because of frequent compression and resilience in the vehicle driving process, if the high temperature can lead to damping performance decline, fluid viscosity reduction, causes sealed inefficacy even, influences driving safety and riding travelling comfort. In addition, during winter low temperature conditions, vehicle shock absorbers have a warm-up requirement at cold start. At present, the mainstream shock absorber cooling mode mostly adopts natural air cooling or forced air cooling, the natural air cooling depends on the speed of a vehicle and the ambient airflow, the heat dissipation efficiency is low and unstable, the forced air cooling improves the heat dissipation capacity through adding a fan, but the energy consumption and the control module are additionally added, only unidirectional cooling can be realized, and the winter low-temperature working condition cannot be dealt with. To sum up, the prior art generally lacks the bidirectional regulation and control ability to the shock absorber temperature, neither can effectively cool down, also can't realize heating in low temperature environment, leads to the shock absorber to be uncontrollable in operating condition under extreme climatic conditions, is difficult to ensure its long-term stability and dynamic performance. Therefore, how to adaptively control the temperature of the shock absorber so as to ensure the normal operation of the shock absorber is one of the important technical problems in the related technical field. In view of the above problems, no effective solution has been proposed at present. Disclosure of Invention The embodiment of the invention provides a temperature control system and method for a vehicle shock absorber, a vehicle and a storage medium, which at least solve the technical problem of how to adaptively control the temperature of the shock absorber so as to ensure the normal operation of the shock absorber. According to one aspect of the embodiment of the invention, a temperature control system for a vehicle shock absorber is provided, and the temperature control system comprises a first heat exchange loop, a second heat exchange loop, a multi-way switching valve, a shock absorber liquid side loop and a controller, wherein the first heat exchange loop is connected with the multi-way switching valve and used for cooling liquid to obtain cooling liquid, the second heat exchange loop is connected with the multi-way switching valve and used for heating the cooling liquid to obtain heating cooling liquid, the controller is used for controlling the multi-way switching valve to switch to a target state according to the temperature of the shock absorber, the target state comprises a first state and a second state, the shock absorber liquid side loop is connected with the first heat exchange loop in series through the multi-way switching valve of the first state, so that the cooling liquid cools the shock absorber, and the shock absorber liquid side loop is connected with the second heat exchange loop in series through the multi-way switching valve of the second state, and the heating cooling liquid is heated up to heat the shock absorber. Optionally, the first heat exchange loop comprises an evaporation heat exchanger, wherein the evaporation heat exchanger is arranged to cool the cooling liquid to obtain the cooled cooling liquid. Optionally, the second heat exchange loop comprises a condensing heat exchanger, wherein the condensing heat exchanger is arranged to heat the cooling liquid to obtain the heated cooling liquid. Optionally, the multi-pass switching valve comprises an eight-pass valve for forming a first passage of the shock absorber liquid side circuit in series with the first heat exchange circuit, or for forming a second passage of the shock absorber liquid side circuit in series with the second heat exchange circuit. Optionally, the vehicle shock absorber temperature control system further comprises a temperature sensor configured to detect a temperature of the shock absorber. Optionally, the first heat exchange circuit further comprises a first water pump, wherein the first water pump is arranged to drive the cooling liquid to flow through the evaporation heat exchanger, so as to obtain cooling liquid, and the cooling liquid is conveyed to the liquid side circuit of the shock absorber. Optionally, the second heat exchange circuit further comprises a second water pump, wherein the second water pump is arranged to drive the cooling liquid to flow through the condensation heat exchanger to obtain heating cooling liquid, and the heating cooling liquid is conveyed