WO2020134489A1 - 用于车辆的驻车空调的控制方法 - Google Patents
用于车辆的驻车空调的控制方法 Download PDFInfo
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- WO2020134489A1 WO2020134489A1 PCT/CN2019/113630 CN2019113630W WO2020134489A1 WO 2020134489 A1 WO2020134489 A1 WO 2020134489A1 CN 2019113630 W CN2019113630 W CN 2019113630W WO 2020134489 A1 WO2020134489 A1 WO 2020134489A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
Definitions
- the invention belongs to the technical field of vehicle air conditioners, and specifically provides a control method for a parking air conditioner of a vehicle.
- the parking air conditioner is a device that uses the vehicle battery (that is, the battery) as a power supply source to deliver cold air to the car for a long time. It is different from the original car air conditioner.
- the parking air conditioner can still work even when the engine of the vehicle stops running, specifically The original car air conditioner needs to be operated by the vehicle’s engine to work. When the vehicle’s engine is not running, the original car air conditioner cannot be used. This leads to the need to keep the engine always if the vehicle is congested for a long time and the user wants to keep the interior environment comfortable. Work, which results in waste of fuel and increases the cost of users.
- the parking air conditioner can be used as long as the battery has electricity.
- the existing parking air conditioner can generally guarantee at least at least enough battery power.
- the continuous operation for 10 hours brings great convenience to the user.
- the battery power is exhausted due to the continuous operation of the parking air conditioner, it may affect other functions of the vehicle, such as the failure of the vehicle to fire, The lights cannot be turned on, etc., and if the battery of the vehicle is repeatedly exhausted, it will also affect the life of the battery.
- the present invention provides a control method for the parking air conditioner of the vehicle,
- the vehicle includes a battery
- the parking air conditioner includes an indoor unit, an outdoor unit, and a compressor.
- the outdoor unit, the indoor unit, and the compressor form a closed-loop refrigerant circulation system.
- the indoor unit is connected to the outdoor unit through a transmission line
- the outdoor unit is connected to the battery through a transmission line.
- the control method includes: obtaining the voltage of the indoor unit and the voltage of the outdoor unit; selectively adjusting the fan and/or compressor of the indoor unit according to the voltage of the indoor unit and the voltage of the outdoor unit.
- the step of “selectively adjust the fan and/or compressor of the indoor unit according to the voltage of the indoor unit and the voltage of the outdoor unit” specifically includes: If the voltage is less than or equal to the first preset voltage value, the fan of the indoor unit is stopped and the compressor is turned off.
- the step of “selectively adjust the fan and/or compressor of the indoor unit according to the voltage of the indoor unit and the voltage of the outdoor unit” further includes: When the voltages are all greater than the first preset voltage value and less than or equal to the second preset voltage value, the fan of the indoor unit is kept running but the compressor is turned off, wherein the first preset voltage value is less than the second preset voltage value.
- the control method further includes: Early warning prompt at the same time as the outdoor unit.
- the step of "selectively adjusting the fan and/or compressor of the indoor unit according to the voltage of the indoor unit and the voltage of the outdoor unit” further includes: if the voltage of the indoor unit is greater than the second The voltage value is set, and the voltage of the outdoor unit is greater than the first preset voltage value and less than or equal to the second preset voltage value, the fan of the indoor unit is kept running but the compressor is turned off.
- control The method when the voltage of the indoor unit is greater than the second preset voltage value, and the voltage of the outdoor unit is greater than the first preset voltage value and less than or equal to the second preset voltage value, control The method also includes: making the outdoor unit warn and prompt.
- the step of “selectively adjust the fan and/or compressor of the indoor unit according to the voltage of the indoor unit and the voltage of the outdoor unit” further includes: if the voltage of the outdoor unit is greater than the second The voltage value is set, and the voltage of the indoor unit is greater than the first preset voltage value and less than or equal to the second preset voltage value, the fan of the indoor unit is kept running but the compressor is turned off.
- control The method when the voltage of the outdoor unit is greater than the second preset voltage value, and the voltage of the indoor unit is greater than the first preset voltage value and less than or equal to the second preset voltage value, control The method also includes: warning the indoor unit.
- the step of “selectively adjust the fan and/or compressor of the indoor unit according to the voltage of the indoor unit and the voltage of the outdoor unit” further includes: If the voltages are both greater than the second preset voltage value, the fan operation of the indoor unit and the operation of the compressor are maintained.
- the voltage of the indoor unit is the sum of the indoor sampling voltage, the indoor line loss voltage and the outdoor line loss voltage
- the voltage of the outdoor unit is the sum of the outdoor sampling voltage and the outdoor line loss voltage
- the compressor can be set to avoid battery exhaustion to the greatest extent, so as not to affect the use of other vehicle functions, that is, to ensure the normal use of other vehicle functions on the basis of satisfying the user's in-vehicle comfort requirements. Improve user experience.
- both the voltage of the indoor unit and the voltage of the outdoor unit are greater than the first preset voltage value and less than the second preset voltage value, it means that the battery can still barely maintain the power supply.
- the compressor should be turned off, and then the indoor unit The fan continues to run continuously, as far as possible to ensure that the user can still be in a relatively comfortable environment, and will not cause the ambient temperature in the car to rise rapidly, thereby further improving the user experience.
- the voltage of the indoor unit is greater than the second preset voltage value, and the voltage of the outdoor unit is greater than the first preset voltage value and less than or equal to the second preset voltage value, it means that the battery can still barely maintain power supply.
- the compressor should be turned off, and then the fan of the indoor unit should continue to run as far as possible to ensure that the user can still be in a relatively comfortable environment without causing the ambient temperature in the car to rise rapidly, thereby further enhancing the user experience.
- the voltage of the outdoor unit is greater than the second preset voltage value
- the voltage of the indoor unit is greater than the first preset voltage value and less than or equal to the second preset voltage value
- the battery can still barely maintain power supply.
- the compressor should be turned off, and then the fan of the indoor unit should continue to run as far as possible to ensure that the user can still be in a relatively comfortable environment without causing the ambient temperature in the car to rise rapidly, thereby further enhancing the user experience.
- both the voltage of the indoor unit and the outdoor unit are greater than the second preset voltage value, it means that the battery power is sufficient at this time, and the fan and compressor of the indoor unit can maintain the current operating state, so that the environment in the vehicle is maintained at The most comfortable temperature, thus giving users the most comfortable experience.
- FIG. 1 is a flowchart of the control method of the present invention.
- the present invention provides a control method for the parking air conditioner of the vehicle, which aims to avoid the battery to the greatest extent The battery is exhausted, so that it does not affect the use of other functions of the vehicle, that is, on the basis of meeting the user's in-vehicle comfort requirements, it can ensure the normal use of other vehicle functions and improve the user experience.
- the vehicle of the present invention includes a battery.
- the parking air conditioner includes an indoor unit, an outdoor unit, and a compressor.
- the outdoor unit, the indoor unit, and the compressor form a closed-loop refrigerant circulation system.
- the indoor unit is connected to the outdoor unit through a transmission line.
- the outdoor unit The transmission line connecting the outdoor unit and the battery is provided with a fuse by connecting the transmission line to the battery.
- the present invention directly connects the indoor unit to the outdoor unit through the transmission line, compared to the traditional connection of the indoor unit to the battery through the transmission line, Can shorten the line, and facilitate the arrangement and installation of transmission lines, and low cost, simple control. As shown in FIG.
- the control method of the present invention includes: acquiring the voltage of the indoor unit and the voltage of the outdoor unit; and selectively adjusting the fan and/or compressor of the indoor unit according to the voltage of the indoor unit and the voltage of the outdoor unit.
- an indoor sampling circuit and an outdoor sampling circuit can be provided to obtain the voltage of the outdoor unit by calculating the sum of the outdoor sampling voltage and the outdoor line loss, and by calculating the sum of the indoor sampling voltage, the indoor line loss voltage and the outdoor line loss voltage The voltage of the indoor unit.
- the sampling voltage obtained by the sampling circuit belongs to a general technology in the art, and will not be described in detail here.
- Both the outdoor line loss voltage and the indoor line loss voltage can be obtained by calculating the transmission line current, unit impedance and transmission line length. This is not detailed in detail.
- the voltage of the indoor unit and the voltage of the outdoor unit calculated in the above manner are both estimated voltages, and the fan and/or compressor of the indoor unit is selectively adjusted by using the estimated voltage as a basis for judgment.
- the step of "selectively adjusting the fan and/or compressor of the indoor unit according to the voltage of the indoor unit and the voltage of the outdoor unit” specifically includes: if the voltage of the indoor unit or the voltage of the outdoor unit is less than or equal to the first Setting the voltage value will stop the fan of the indoor unit and turn off the compressor.
- the voltage of the indoor unit or the voltage of the outdoor unit is less than or equal to the first Setting the voltage value will stop the fan of the indoor unit and turn off the compressor.
- the battery power is about to be exhausted, and it is necessary to stop the fan of the indoor unit and turn off the compressor, thereby Avoid running out of battery power.
- the first preset voltage value when the battery voltage is 12V, the first preset voltage value may be 10.3V; when the battery When the voltage is 24V, the first preset voltage value can be 21V; when the battery voltage is 48V, the first preset voltage value can be 42V, as long as the cut-off point determined by the first preset voltage value can determine whether it is necessary to use the indoor
- the fan of the machine stops and the compressor can be turned off.
- the step of "selectively adjusting the fan and/or compressor of the indoor unit according to the voltage of the indoor unit and the voltage of the outdoor unit” further includes: if both the voltage of the indoor unit and the voltage of the outdoor unit are greater than the first preset If the voltage value is less than or equal to the second preset voltage value, the fan of the indoor unit is kept running but the compressor is turned off, wherein the first preset voltage value is less than the second preset voltage value. In this case, it means that there is a relatively large margin before the battery is exhausted.
- the fan of the indoor unit should be kept running but the compressor should be turned off, that is, the compressor no longer provides high-pressure refrigerant, so that the parking air conditioner does not continue to cool. Only by the fan rotating to supply air.
- the control method of the present invention further includes: making the indoor unit and the outdoor unit have early warning prompts.
- the warning warning can be light warning, that is, the warning method that the user can directly see, or the warning inside the parking air conditioner itself, that is, the warning inside the software.
- the warning warning method of the outdoor unit can be provided as long as it can provide early warning.
- the step of "selectively adjusting the fan and/or compressor of the indoor unit according to the voltage of the indoor unit and the voltage of the outdoor unit” further includes: if the voltage of the indoor unit is greater than the second preset voltage value, and the outdoor unit The voltage of is greater than the first preset voltage value and less than or equal to the second preset voltage value, the fan of the indoor unit is kept running but the compressor is turned off. Similar to the above, in this case, it means that there is a relatively large margin before the battery is exhausted.
- the fan of the indoor unit should be kept running but the compressor should be turned off, that is, the compressor no longer provides high-pressure refrigerant, so that the parking
- the air conditioner does not continue to cool, but only sends air through the rotation of the fan.
- since only the voltage of the outdoor unit is greater than the first preset voltage value and less than or equal to the second preset voltage value, it is only necessary to make the outdoor unit warn.
- the step of "selectively adjusting the fan and/or compressor of the indoor unit according to the voltage of the indoor unit and the voltage of the outdoor unit” further includes: if the voltage of the outdoor unit is greater than the second preset voltage value, and the indoor unit The voltage of is greater than the first preset voltage value and less than or equal to the second preset voltage value, the fan of the indoor unit is kept running but the compressor is turned off. Similar to the above, in this case, it means that there is a relatively large margin before the battery is exhausted. The fan of the indoor unit should be kept running but the compressor should be turned off, that is, the compressor no longer provides high-pressure refrigerant, so that the parking The air conditioner does not continue to cool, but only sends air through the rotation of the fan. Moreover, since only the voltage of the indoor unit is greater than the first preset voltage value and less than or equal to the second preset voltage value, it is only necessary to make the indoor unit warn.
- the step of "selectively adjusting the fan and/or compressor of the indoor unit according to the voltage of the indoor unit and the voltage of the outdoor unit” further includes: if both the voltage of the indoor unit and the voltage of the outdoor unit are greater than the second preset The voltage value maintains the fan operation and compressor operation of the indoor unit.
- the battery has enough power, so the compressor provides high-pressure refrigerant, which makes the parking air conditioner continue to cool, and the indoor unit fan keeps rotating, so that the comfortable cold air is sent into the car.
- the battery voltage is 12V
- the first preset voltage value is 10.3V
- the second preset voltage value is 10.5V.
- the fan and compressor of the indoor unit are all stopped, and if the voltage of the indoor unit and the outdoor unit are less than or equal to 10.3V, the fan and compressor of the indoor unit are also stopped;
- the compressor stops if the voltage of the indoor unit is less than or equal to 10.5V, indoor unit early warning, if only outdoor unit voltage is less than or equal to 10.5V, outdoor unit early warning, if indoor unit voltage and outdoor unit voltage are less than or equal to 10.5V, both indoor unit and outdoor unit are early warning
- the fan and compressor of the indoor unit keep running.
- the battery voltage is 24V
- the first preset voltage value is 21V
- the second preset voltage value is 21.5V.
- the voltage of the outdoor unit is less than or equal to 21V, regardless of the voltage of the indoor unit How big is that the fan and compressor of the indoor unit are all stopped, and if the voltage of the indoor unit and the outdoor unit are less than or equal to 21V, the fan and compressor of the indoor unit are also stopped; the voltage of the indoor unit and the outdoor unit When the voltages of both are greater than 21V, if the voltage of the indoor unit or the outdoor unit is less than or equal to 21.5V, the fan of the indoor unit turns but the compressor stops (if the voltage of the indoor unit is less than or equal to 21.5V, the indoor unit warns , If only the outdoor unit voltage is less than or equal to 21.5V, the outdoor unit warning, if the indoor unit voltage and outdoor unit voltage are less than or equal to 21.5V, both indoor unit and outdoor unit warning); if the indoor unit voltage The voltage of the outdoor unit and the outdoor unit are both greater than 21.5V, so the fan and compressor of the indoor unit keep running.
- the battery voltage is 48V
- the first preset voltage value is 42V
- the second preset voltage value is 43V.
- the fan and compressor of the indoor unit are also stopped; the voltage of the indoor unit and the outdoor unit
- the voltage of the indoor unit and the outdoor unit When the voltage is greater than 42V, if the voltage of the indoor unit or the voltage of the outdoor unit is less than or equal to 43V, the fan of the indoor unit turns but the compressor stops (if the voltage of the indoor unit is less than or equal to 43V, the indoor unit warning, if only If the voltage of the outdoor unit is less than or equal to 43V, the outdoor unit is early warning.
- both the indoor unit and the outdoor unit will be alerted); if the voltage of the indoor unit and the outdoor unit are Both are greater than 43V at the same time, then the fan and compressor of the indoor unit keep the current operation.
Abstract
一种用于车辆的驻车空调的控制方法，车辆包括电池，驻车空调包括室内机、室外机和压缩机，室外机、室内机和压缩机构成闭环的冷媒循环系统，室内机通过输电线与室外机连接，室外机通过输电线与电池连接，控制方法包括：获取室内机的电压和室外机的电压；根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机。通过上述方法，能够避免蓄电池电量耗尽。
Description
本发明属于车用空调技术领域，具体提供一种用于车辆的驻车空调的控制方法。
驻车空调是利用车辆电瓶(即蓄电池)作为供电来源，能够给车内长时间输送冷风的设备，区别于原车空调，驻车空调即使在车辆的发动机停止运行时仍然能够工作，具体而言，原车空调需要借助车辆的发动机运行才能工作，在车辆的发动机不运行时，原车空调无法使用，这就导致如果车辆出现长时间拥堵，用户想要保持车内环境舒适就需要始终使发动机工作，从而造成燃油的浪费，使得用户的成本增加，而采用驻车空调只要电瓶有电，驻车空调就能够一直使用，现有的驻车空调一般在电瓶电量充足的情况下已经能够保证至少10小时的持续运行，给用户带来极大的便利，然而，如果由于驻车空调的持续运行导致电瓶电量耗尽的情况下，可能会对车辆的其他功能产生影响，例如车辆打火失败、灯光无法打开等，而且如果车辆电瓶电量反复耗尽也会对电瓶的使用寿命造成影响。
因此，本领域需要一种用于车辆的驻车空调的控制方法来解决上述问题。
发明内容
为了解决现有技术中的上述问题，即为了解决现有车辆的驻车空调持续运行容易使车辆电瓶的电量耗尽的问题，本发明提供了一种用于车辆的驻车空调的控制方法，车辆包括电池，驻车空调包括室内机、室外机和压缩机，室外机、室内机和压缩机构成闭环的冷媒循环系统，室内机通过输电线与室外机连接，室外机通过输电线与电池连接，控制方法包括：获取室内机的电压和室外机的电压；根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机。
在上述控制方法的优选技术方案中，“根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机”的步骤具体包括：如果室内机的电压或者室外机的电压小于或等于第一预设电压值，则使室内机的风扇停转并关闭压缩机。
在上述控制方法的优选技术方案中，“根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机”的步骤还包括：如果室内机的电压和室外机的电压均大于第一预设电压值且小于或等于第二预设电压值，则使室内机的风扇保持运转但关闭压缩机，其中，第一预设电压值小于第二预设电压值。
在上述控制方法的优选技术方案中，在室内机的电压和室外机的电压均大于第一预设电压值且小于或等于第二预设电压值的情形下，控制方法还包括：使室内机和室外机同时预警提示。
在上述控制方法的优选技术方案中，“根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机”的步骤还包括：如果室内机的电压大于第二预设电压值，并且室外机的电压大于第一预设电压值且小于或等于第二预设电压值，则使室内机的风扇保持运转但关闭压缩机。
在上述控制方法的优选技术方案中，在室内机的电压大于第二预设电压值，并且室外机的电压大于第一预设电压值且小于或等于第二预设电压值的情形下，控制方法还包括：使室外机预警提示。
在上述控制方法的优选技术方案中，“根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机”的步骤还包括：如果室外机的电压大于第二预设电压值，并且室内机的电压大于第一预设电压值且小于或等于第二预设电压值，则使室内机的风扇保持运转但关闭压缩机。
在上述控制方法的优选技术方案中，在室外机的电压大于第二预设电压值，并且室内机的电压大于第一预设电压值且小于或等于第二预设电压值的情形下，控制方法还包括：使室内机预警提示。
在上述控制方法的优选技术方案中，“根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机”的步骤还包括： 如果室内机的电压和室外机的电压均大于第二预设电压值，则保持室内机的风扇运转和压缩机的运转。
在上述控制方法的优选技术方案中，室内机的电压为室内采样电压、室内线损电压和室外线损电压之和，室外机的电压为室外采样电压和室外线损电压之和。
本领域技术人员能够理解的是，在本发明的优选技术方案中，通过获取室内机的电压和室外机的电压，并根据室内机的电压和室外机的电压共同判断是否调整室内机的风扇和压缩机，通过这样设置，可以最大程度上地避免电池电量耗尽，从而不会影响车辆其他功能的使用，即在满足用户车内环境舒适需求的基础上，能够保证车辆其他功能的正常使用，提升用户体验。
进一步地，通过设置双重保证，即室内机的电压和室外机的电压中只要有一个小于第一预设电压值时，室内机的风扇和压缩机就全部停止运行，避免驻车空调继续耗电，通过这样设置，能够最大程度上地避免电池电量耗尽，起到电压保护的作用，提升用户体验。
进一步地，在室内机的电压和室外机的电压均大于第一预设电压值且小于第二预设电压值时，说明电池还能够勉强维持供电，此时应该关闭压缩机，然后室内机的风扇继续持续运行，尽可能保证用户还能够处于相对舒适的环境下，不会使车内的环境温度急速升高，从而进一步提升提升用户体验。
进一步地，在室内机的电压大于第二预设电压值，并且室外机的电压大于第一预设电压值且小于或等于第二预设电压值时，说明电池还能够勉强维持供电，此时应该关闭压缩机，然后室内机的风扇继续持续运行，尽可能保证用户还能够处于相对舒适的环境下，不会使车内的环境温度急速升高，从而进一步提升提升用户体验。
进一步地，在室外机的电压大于第二预设电压值，并且室内机的电压大于第一预设电压值且小于或等于第二预设电压值时，说明电池还能够勉强维持供电，此时应该关闭压缩机，然后室内机的风扇继续持续运行，尽可能保证用户还能够处于相对舒适的环境下，不会使车内的环境温度急速升高，从而进一步提升提升用户体验。
进一步地，在室内机的电压和室外机的电压均大于第二预设电压值时，说明此时电池电量充足，室内机的风扇和压缩机可以维持当前运行状态，使得车内的环境保持在最舒适的温度下，从而给用户最舒适的体验。
图1是本发明的控制方法的流程图。
下面参照附图来描述本发明的优选实施方式。本领域技术人员应当理解的是，这些实施方式仅仅用于解释本发明的技术原理，并非旨在限制本发明的保护范围。
需要说明的是，在本发明的描述中，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。
基于背景技术指出的现有车辆的驻车空调持续运行容易使车辆电瓶的电量耗尽的问题，本发明提供了一种用于车辆的驻车空调的控制方法，旨在最大程度上地避免电池电量耗尽，从而不会影响车辆其他功能的使用，即在满足用户车内环境舒适需求的基础上，能够保证车辆其他功能的正常使用，提升用户体验。
具体地，本发明的车辆包括电池，驻车空调包括室内机、室外机和压缩机，室外机、室内机和压缩机构成闭环的冷媒循环系统，室内机通过输电线与室外机连接，室外机通过输电线与电池连接，将室外机和电池连接的输电线上设置有保险丝，本发明直接将室内机通过输电线与室外机相连，相比于传统的将室内机通过输电线与电池相连，能够缩短线路，并且便于输电线的布置和安装，且成本低廉，控制简单。如图1所示，本发明的控制方法包括：获取室内机的电压和室外机的电压；根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机。具体而言，可以设置室内采样电路和室外采样电路，通过计算室外采样电压和室外线损之和来得到室外机的电压，并且通过计算室内采样电压、室内线损电压和室外线损电压之和来得到室内机的电压。其中，通过采样电路获取采样电压属于本领域的通用技术，在此就不详细赘述， 室外线损电压和室内线损电压均可以通过计算输电线电流、单位阻抗和输电线长度的方式获得，在此也不详细赘述。需要说明的是，通过上述方式计算的室内机的电压和室外机的电压均为估算电压，通过该估算电压作为判断依据，来选择性地调整室内机的风扇和/或压缩机。
优选地，“根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机”的步骤具体包括：如果室内机的电压或者室外机的电压小于或等于第一预设电压值，则使室内机的风扇停转并关闭压缩机。在这种情况下，只要室内机的电压和室外机的电压中有一个小于第一预设电压值，那么说明电池的电量即将耗尽，需要使室内机的风扇停转并关闭压缩机，从而避免电池的电量耗尽。其中，本领域技术人员可以在实际应用中根据电池的电压灵活地设置第一预设电压值的具体值，例如，当电池电压为12V时，第一预设电压值可以为10.3V；当电池电压为24V时，第一预设电压值可以为21V；当电池电压为48V时，第一预设电压值可以为42V，只要通过第一预设电压值确定的分界点能够判定是否需要使室内机的风扇停转并关闭压缩机即可。
优选地，“根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机”的步骤还包括：如果室内机的电压和室外机的电压均大于第一预设电压值且小于或等于第二预设电压值，则使室内机的风扇保持运转但关闭压缩机，其中，第一预设电压值小于第二预设电压值。在这种情况下，说明电池电量距离耗尽还有比较大的余量，应该使室内机的风扇保持运转但关闭压缩机，即压缩机不再提供高压冷媒，使得驻车空调不继续制冷，只是单独通过风扇转动进行送风。其中，本领域技术人员可以在实际应用中根据电池的电压灵活地设置第二预设电压值的具体值，例如，当电池电压为12V时，第二预设电压值可以为10.5V；当电池电压为24V时，第二预设电压值可以为21.5V；当电池电压为48V时，第二预设电压值可以为43V，只要通过第一预设电压值和第二预设电压值确定的分界区间能够判定是否需要使室内机的风扇保持运转但关闭压缩机即可。此外，在这种情形下，本发明的控制方法还包括：使室内机和室外机同时预警提示。即电池的电量进入了电池即将耗尽的危险范围内。其中，预警提示可以为灯光预警，即用户可以直接看到的预警方式，也可以为驻车空调本身内部的预警，即软件内部的预警，本 领域技术人员可以在实际应用中灵活地设置室内机和室外机的预警方式，只要能够提供预警即可。
优选地，“根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机”的步骤还包括：如果室内机的电压大于第二预设电压值，并且室外机的电压大于第一预设电压值且小于或等于第二预设电压值，则使室内机的风扇保持运转但关闭压缩机。与前述类似地，在这种情况下，说明电池电量距离耗尽还有比较大的余量，应该使室内机的风扇保持运转但关闭压缩机，即压缩机不再提供高压冷媒，使得驻车空调不继续制冷，只是单独通过风扇转动进行送风。并且，由于只是室外机的电压大于第一预设电压值且小于或等于第二预设电压值，因此只要使室外机预警即可。
优选地，“根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机”的步骤还包括：如果室外机的电压大于第二预设电压值，并且室内机的电压大于第一预设电压值且小于或等于第二预设电压值，则使室内机的风扇保持运转但关闭压缩机。与前述类似地，在这种情况下，说明电池电量距离耗尽还有比较大的余量，应该使室内机的风扇保持运转但关闭压缩机，即压缩机不再提供高压冷媒，使得驻车空调不继续制冷，只是单独通过风扇转动进行送风。并且，由于只是室内机的电压大于第一预设电压值且小于或等于第二预设电压值，因此只要使室内机预警即可。
优选地，“根据室内机的电压和室外机的电压，选择性地调整室内机的风扇和/或压缩机”的步骤还包括：如果室内机的电压和室外机的电压均大于第二预设电压值，则保持室内机的风扇运转和压缩机的运转。在这种情况下，说明电池的电量非常充足，因此压缩机提供高压冷媒，使得驻车空调持续制冷，并且室内机的风扇保持转动，从而将舒适的冷空气送入到车内。
下面结合三个具体的实施例来进一步阐述本发明的技术方案。
实施例一
电池电压为12V，第一预设电压值为10.3V，第二预设电压值为10.5V，在室内机的电压或者室外机的电压小于或等于10.3V时，室 内机的风扇和压缩机全停，也就是说，如果室内机的电压小于或等于10.3V，无论室外机的电压是多大，室内机的风扇和压缩机全停，同理，如果室外机的电压小于或等于10.3V，无论室内机的电压是多大，室内机的风扇和压缩机全停，并且，如果室内机的电压和室外机的电压都小于或等于10.3V，室内机的风扇和压缩机也全停；在室内机的电压和室外机的电压都大于10.3V时，如果室内机的电压或室外机的电压小于或等于10.5V，则室内机的风扇转但压缩机停(如果仅是室内机的电压小于或等于10.5V，室内机预警，如果仅是室外机的电压小于或等于10.5V，室外机预警，如果室内机的电压和室外机的电压均小于或等于10.5V，则室内机和室外机都预警)；如果室内机的电压和室外机的电压都同时大于10.5V，那么室内机的风扇和压缩机保持当前运转。
实施例二
电池电压为24V，第一预设电压值为21V，第二预设电压值为21.5V，在室内机的电压或者室外机的电压小于或等于21V时，室内机的风扇和压缩机全停，也就是说，如果室内机的电压小于或等于21V，无论室外机的电压是多大，室内机的风扇和压缩机全停，同理，如果室外机的电压小于或等于21V，无论室内机的电压是多大，室内机的风扇和压缩机全停，并且，如果室内机的电压和室外机的电压都小于或等于21V，室内机的风扇和压缩机也全停；在室内机的电压和室外机的电压都大于21V时，如果室内机的电压或室外机的电压小于或等于21.5V，则室内机的风扇转但压缩机停(如果仅是室内机的电压小于或等于21.5V，室内机预警，如果仅是室外机的电压小于或等于21.5V，室外机预警，如果室内机的电压和室外机的电压均小于或等于21.5V，则室内机和室外机都预警)；如果室内机的电压和室外机的电压都同时大于21.5V，那么室内机的风扇和压缩机保持当前运转。
实施例三
电池电压为48V，第一预设电压值为42V，第二预设电压值为43V，在室内机的电压或者室外机的电压小于或等于42V时，室内机的风扇和压缩机全停，也就是说，如果室内机的电压小于或等于42V，无论室外机的电压是多大，室内机的风扇和压缩机全停，同理，如果室外机的电压小于或等于42V，无论室内机的电压是多大，室内机的风扇和压缩 机全停，并且，如果室内机的电压和室外机的电压都小于或等于42V，室内机的风扇和压缩机也全停；在室内机的电压和室外机的电压都大于42V时，如果室内机的电压或室外机的电压小于或等于43V，则室内机的风扇转但压缩机停(如果仅是室内机的电压小于或等于43V，室内机预警，如果仅是室外机的电压小于或等于43V，室外机预警，如果室内机的电压和室外机的电压均小于或等于43V，则室内机和室外机都预警)；如果室内机的电压和室外机的电压都同时大于43V，那么室内机的风扇和压缩机保持当前运转。
至此，已经结合附图所示的优选实施方式描述了本发明的技术方案，但是，本领域技术人员容易理解的是，本发明的保护范围显然不局限于这些具体实施方式。在不偏离本发明的原理的前提下，本领域技术人员可以对相关技术特征作出等同的更改或替换，这些更改或替换之后的技术方案都将落入本发明的保护范围之内。
Claims (10)
- 一种用于车辆的驻车空调的控制方法，所述车辆包括电池，其特征在于，所述驻车空调包括室内机、室外机和压缩机，所述室外机、所述室内机和所述压缩机构成闭环的冷媒循环系统，所述室内机通过输电线与所述室外机连接，所述室外机通过输电线与所述电池连接，所述控制方法包括：获取所述室内机的电压和所述室外机的电压；根据所述室内机的电压和所述室外机的电压，选择性地调整所述室内机的风扇和/或所述压缩机。
- 根据权利要求1所述的控制方法，其特征在于，“根据所述室内机的电压和所述室外机的电压，选择性地调整所述室内机的风扇和/或所述压缩机”的步骤具体包括：如果所述室内机的电压或者所述室外机的电压小于或等于第一预设电压值，则使所述室内机的风扇停转并关闭所述压缩机。
- 根据权利要求2所述的控制方法，其特征在于，“根据所述室内机的电压和所述室外机的电压，选择性地调整所述室内机的风扇和/或所述压缩机”的步骤还包括：如果所述室内机的电压和所述室外机的电压均大于所述第一预设电压值且小于或等于第二预设电压值，则使所述室内机的风扇保持运转但关闭所述压缩机，其中，所述第一预设电压值小于所述第二预设电压值。
- 根据权利要求3所述的控制方法，其特征在于，在所述室内机的电压和所述室外机的电压均大于所述第一预设电压值且小于或等于所述第二预设电压值的情形下，所述控制方法还包括：使所述室内机和所述室外机同时预警提示。
- 根据权利要求3所述的控制方法，其特征在于，“根据所述室内 机的电压和所述室外机的电压，选择性地调整所述室内机的风扇和/或所述压缩机”的步骤还包括：如果所述室内机的电压大于所述第二预设电压值，并且所述室外机的电压大于所述第一预设电压值且小于或等于所述第二预设电压值，则使所述室内机的风扇保持运转但关闭所述压缩机。
- 根据权利要求5所述的控制方法，其特征在于，在所述室内机的电压大于所述第二预设电压值，并且所述室外机的电压大于所述第一预设电压值且小于或等于所述第二预设电压值的情形下，所述控制方法还包括：使所述室外机预警提示。
- 根据权利要求3所述的控制方法，其特征在于，“根据所述室内机的电压和所述室外机的电压，选择性地调整所述室内机的风扇和/或所述压缩机”的步骤还包括：如果所述室外机的电压大于所述第二预设电压值，并且所述室内机的电压大于所述第一预设电压值且小于或等于所述第二预设电压值，则使所述室内机的风扇保持运转但关闭所述压缩机。
- 根据权利要求7所述的控制方法，其特征在于，在所述室外机的电压大于所述第二预设电压值，并且所述室内机的电压大于所述第一预设电压值且小于或等于所述第二预设电压值的情形下，所述控制方法还包括：使所述室内机预警提示。
- 根据权利要求3所述的控制方法，其特征在于，“根据所述室内机的电压和所述室外机的电压，选择性地调整所述室内机的风扇和/或所述压缩机”的步骤还包括：如果所述室内机的电压和所述室外机的电压均大于所述第二预设电压值，则保持所述室内机的风扇运转和所述压缩机的运转。
- 根据权利要求1至9中任一项所述的控制方法，其特征在于，所述室内机的电压为室内采样电压、室内线损电压和室外线损电压之和，所述室外机的电压为室外采样电压和室外线损电压之和。
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