WO2021175282A1 - 温度控制方法及装置、计算机设备和计算机可读存储介质 - Google Patents

温度控制方法及装置、计算机设备和计算机可读存储介质 Download PDF

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WO2021175282A1
WO2021175282A1 PCT/CN2021/079025 CN2021079025W WO2021175282A1 WO 2021175282 A1 WO2021175282 A1 WO 2021175282A1 CN 2021079025 W CN2021079025 W CN 2021079025W WO 2021175282 A1 WO2021175282 A1 WO 2021175282A1
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temperature
storage
storage space
adjustment device
tmax
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PCT/CN2021/079025
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English (en)
French (fr)
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陶晓
陈腾
李宁
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长沙智能驾驶研究院有限公司
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices

Definitions

  • the present invention relates to the field of temperature control, in particular to a temperature control method and device, computer equipment and computer-readable storage medium.
  • the temperature control method of refrigerators or cold storages on the market is relatively simple. Most of them are realized by manually setting the temperature of the air outlet of the refrigeration unit to achieve the refrigeration and preservation function. This way, the manual setting of the temperature is more affected by the uncertainty and subjectivity of artificial adjustment. Large, and there may be a mismatch between the artificially selected temperature and the optimal temperature for storing food. In addition, due to the large volume of refrigerators or cold storages, unreasonable storage of goods and other reasons, local temperatures are likely to be too high or too low, resulting in damage to stored fruits and vegetables and other goods, resulting in huge economic losses.
  • the first object of the present invention is to provide a temperature control method, which aims to solve the technical problem that the artificially adjusted temperature does not match the optimal storage temperature and the temperature distribution in the existing storage box is uneven.
  • the solution provided by the present invention is: a temperature control method applied to a storage space with multiple temperature sensors, and the temperature control method includes:
  • the optimal storage temperature range of the items in the storage space in the optimal storage temperature range, the lowest temperature is Tt_min, and the highest temperature is Tt_max;
  • the operating state of the temperature adjustment device is controlled.
  • the step of controlling the working state of the temperature adjustment device according to the relationship between the maximum temperature Tmax and the minimum temperature Tmin and the optimal storage temperature range includes:
  • the method includes:
  • the step of "determining whether the current temperature of the storage space is suitable for the storage of the article according to the relationship between the maximum temperature Tmax and the minimum temperature Tmin and the optimal storage temperature range" includes:
  • the step of "changing the working state of the temperature adjustment device” includes:
  • the step of "determining whether the current temperature of the storage space is suitable for the storage of the article according to the relationship between the maximum temperature Tmax and the minimum temperature Tmin and the optimal storage temperature range" includes:
  • the step of "changing the working state of the temperature adjustment device” includes:
  • the step of "determining whether the current temperature of the storage space is suitable for the storage of the article according to the relationship between the maximum temperature Tmax and the minimum temperature Tmin and the optimal storage temperature range” includes:
  • the step of "changing the working state of the temperature adjustment device” includes:
  • Tt_min Set the target temperature of the temperature adjustment device to Tt_min, and turn on the fast cooling mode, where ⁇ t is the preset temperature value.
  • the step of "determining whether the current temperature of the storage space is suitable for the storage of the article according to the relationship between the maximum temperature Tmax and the minimum temperature Tmin and the optimal storage temperature range" includes:
  • the step of "changing the working state of the temperature adjustment device” includes:
  • the step of "determining whether the current temperature of the storage space is suitable for the storage of the article according to the relationship between the maximum temperature Tmax and the minimum temperature Tmin and the optimal storage temperature range" includes:
  • the step of "changing the working state of the temperature adjustment device” includes:
  • the step of "determining whether the current temperature of the storage space is suitable for the storage of the article according to the relationship between the maximum temperature Tmax and the minimum temperature Tmin and the optimal storage temperature range” includes:
  • the step of "changing the working state of the temperature adjustment device” includes:
  • the second object of the present invention is to provide a temperature control system, including: a plurality of temperature sensors;
  • a temperature setting module the temperature setting module is used to obtain the best storage temperature range of the items in the storage space, in the best storage temperature range, the lowest temperature is Tt_min, and the highest temperature is Tt_max;
  • a temperature acquisition module which is configured to acquire the highest temperature Tmax and the lowest temperature Tmin of the storage space according to the monitoring results of the multiple temperature sensors;
  • the temperature adjustment device is used to adjust the working state according to the temperature value range of the temperature setting module and the temperature obtaining module.
  • the temperature control device further includes a temperature judgment module for judging whether the current temperature of the storage space is suitable for the article according to the relationship between the maximum temperature Tmax and the minimum temperature Tmin and the optimal storage temperature range Store, and send the judgment result to the temperature adjustment device.
  • the temperature control device further includes an early warning reminder module, which is used to give a warning reminder when it is judged that the current temperature of the storage space is not suitable for the storage of the article according to the temperature value range of the temperature adjustment module and the temperature acquisition module.
  • an early warning reminder module which is used to give a warning reminder when it is judged that the current temperature of the storage space is not suitable for the storage of the article according to the temperature value range of the temperature adjustment module and the temperature acquisition module.
  • the third object of the present invention is to provide a computer device, including a memory and a processor, the memory stores a computer program, and the processor implements the steps of the above method when the computer program is executed.
  • the fourth object of the present invention is to provide a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the steps of the above method are realized.
  • the present invention provides a temperature control method, temperature control device, computer equipment and computer readable storage medium.
  • the temperature control method monitors the actual temperature of each area of the storage space by setting a plurality of temperature sensors, and controls the working state of the temperature adjustment device according to the relationship between the optimal storage temperature range of the items in the storage space and the actual temperature range, Realize the uniform temperature distribution in each area of the storage space and match the temperature in the storage space with the optimal storage temperature.
  • the temperature control method of the present invention can control the overall temperature of the storage space within the optimal freshness preservation range.
  • Fig. 1 is a schematic structural diagram of a temperature control system in an embodiment of the present invention.
  • a temperature control method provided by an embodiment of the present invention is applied to a storage space with a plurality of temperature sensors.
  • the temperature control method includes: obtaining the best storage temperature range of items in the storage space, and the lowest temperature in the best storage temperature range The maximum temperature is Tt_min and the maximum temperature is Tt_max; according to the monitoring results of multiple temperature sensors, the maximum temperature Tmax and the minimum temperature Tmin of the storage space are obtained; according to the relationship between the maximum temperature Tmax and the minimum temperature Tmin and the optimal storage temperature range, the operation of the temperature adjustment equipment is controlled state. In this way, the overall temperature in the storage space can be controlled within the optimal fresh-keeping range, thereby realizing the control of the temperature uniformity in the storage space.
  • Tmin is the lowest temperature value in the actual temperature range
  • Tmax is the highest temperature value in the actual temperature range
  • Tt_min is the lower limit of the best storage temperature in the best storage temperature range
  • Tt_max is the best storage The upper limit of the optimal storage temperature in the temperature range.
  • controlling the working status of the temperature regulating device includes: controlling the opening or closing of the temperature regulating device, the output temperature of the temperature regulating device (cold or hot), the output power of the temperature regulating device (large or small), and the output direction of the temperature regulating device (The direction of the air outlet), the target temperature of the temperature control equipment, etc.
  • the direction of the air outlet can be set to a single direction, and in specific applications, the direction of the air outlet can also be set to multiple directions, that is, it can be turned. This can prevent the storage space from being able to achieve uniform temperature control due to unreasonable placement of goods or unreasonable air duct design, adjusting the air flow direction in the storage space through the direction of the air outlet to achieve the best storage temperature range.
  • the optimal storage temperature upper limit and lower limit of the items to be stored can be input according to the manual input by the user to determine the optimal storage temperature range.
  • the stored items can also be captured by the camera unit to obtain pictures of the items to be stored, and the corresponding relationship between the preset types of storage items and the optimal storage temperature range can be used to further automatically extract the items to be stored The best storage temperature range.
  • the method of obtaining the optimal storage temperature range of the object to be stored is not limited to the manual input method and the method of automatically obtaining through the camera unit, and other methods as long as the optimal storage temperature range of the object to be stored can be obtained. Can be replaced.
  • the step of controlling the working state of the temperature adjustment device includes: according to the relationship between the maximum temperature Tmax and the minimum temperature Tmin and the optimal storage temperature range , Judge whether the current temperature of the storage space is suitable for the storage of items;
  • the temperature in the storage space can be adjusted adaptively, and the energy consumption of the temperature adjustment device can be reduced.
  • the step includes:
  • warning reminder may be a combination of voice broadcast or screen display and alarm reminder. In specific applications, it may also be reminded by emitting light or text messages.
  • the steps to determine whether the current temperature of the storage space is suitable for the storage of items include:
  • the steps to change the working status of the temperature regulation equipment include:
  • Tt is the target temperature value
  • ⁇ t is the fine-tuning variable, so that the temperature value can be changed within a flexible range, that is, it has a soothing effect on the temperature value change.
  • ⁇ t can be set to smoothly change the temperature in the storage space to prevent the temperature in the storage space from changing back and forth, resulting in poor cooling effect and increasing energy consumption.
  • the temperature adjustment device can quickly cool down to reach the required temperature and reduce the energy consumption of the temperature adjustment device.
  • the steps to determine whether the current temperature of the storage space is suitable for the storage of items include:
  • the steps to change the working status of the temperature regulation equipment include:
  • the step of judging whether the current temperature of the storage space is suitable for the storage of items includes:
  • the steps to change the working state of the temperature regulation equipment include:
  • Tt_min Set the target temperature of the temperature adjustment device to Tt_min, and turn on the fast cooling mode, where ⁇ t is the preset temperature value.
  • the temperature regulating device can be used for cooling or heating. In one embodiment, when the temperature regulating device is heating:
  • the steps to determine whether the current temperature of the storage space is suitable for the storage of items include:
  • the steps to change the working status of the temperature regulation equipment include:
  • the steps to determine whether the current temperature of the storage space is suitable for the storage of items include:
  • the steps to change the working status of the temperature regulation equipment include:
  • the step of judging whether the current temperature of the storage space is suitable for the storage of items includes:
  • the steps to change the working status of the temperature regulation equipment include:
  • the temperature control methods provided by the embodiments of the present invention include, but are not limited to, suitable for independent temperature zone control of multi-temperature zone refrigerators, cold storage, container temperature uniformity control, and the like.
  • a refrigerator is selected as the storage space
  • the stored items are fruits and vegetables
  • the temperature adjustment device is a refrigerator.
  • fruits and vegetables have an optimal storage temperature range. Assuming that the lower limit of the optimal storage temperature of fruits and vegetables is Tt_min, and the upper limit of the optimal storage temperature is Tt_max; the temperature measurement values of multiple temperature sensors in the refrigerator are T1, T2, T3...Tn, and the highest temperature is selected as Tmax, the lowest temperature is Tmin.
  • the first is when the minimum temperature Tmin of the refrigerator is greater than the lower limit of the optimal storage temperature Tt_min+ ⁇ t, and the maximum temperature Tmax is higher than the upper limit of the optimal storage temperature Tt_max+ ⁇ t; the second The lowest temperature Tmin of the refrigerator is less than the lower limit of the optimal storage temperature Tt_min- ⁇ t, and the highest temperature Tmax is lower than the upper limit of the optimal storage temperature Tt_max- ⁇ t; the third is that the lowest temperature of the refrigerator Tmin is greater than the optimal storage temperature The limit is Tt_min+ ⁇ t, and the maximum temperature Tmax is lower than the optimal storage temperature upper limit Tt_max- ⁇ t. In this case, temperature control is not required.
  • an embodiment of the present invention also provides a temperature control device, including: a plurality of temperature sensors 20;
  • the temperature setting module 10 is used to obtain the best storage temperature range of the items in the storage space. In the best storage temperature range, the lowest temperature is Tt_min and the highest temperature is Tt_max;
  • the temperature acquisition module 30 is configured to acquire the highest temperature Tmax and the lowest temperature Tmin of the storage space according to the monitoring results of the multiple temperature sensors 20;
  • the temperature adjusting device 40 is used for adjusting the working state according to the temperature value range of the temperature setting module 10 and the temperature obtaining module 30.
  • the temperature control device is used to change the temperature in the storage space according to the monitoring results of the multiple temperature sensors 20.
  • a plurality of temperature sensors 20 are distributed in each area of the storage space to obtain the actual temperature of each area in the storage space, and the maximum temperature and the minimum temperature are determined from the actual temperature collected by each temperature sensor 20, thereby determining the actual temperature in the storage space.
  • Temperature range, the setting of multiple temperature sensors 20 can monitor the actual temperature changes of each area in the storage space, thereby feedback the actual temperature in the storage space, which is convenient to adjust the working status of the temperature adjustment device and the corresponding Target temperature.
  • the arrangement of the multiple temperature sensors 20 is not limited to being uniformly distributed in each area of the storage space, and the distribution positions of the multiple temperature sensors 20 can also be set according to user requirements.
  • the temperature control device obtains the temperature of different areas through temperature sensors, calculates the best target temperature through the temperature uniformity control algorithm, and sets the target temperature value of the temperature adjustment device 40 through RS485 communication or CAN communication, so as to realize the temperature uniformity of the storage space.
  • CAN is the abbreviation of Controller Area Network. It is an ISO internationally standardized serial communication protocol. CAN's high performance and reliability have been recognized, and it is widely used in industrial automation, ships, medical equipment, and industrial equipment.
  • RS485 communication is developed on the basis of RS422 communication. Two different methods can be used, two-wire and four-wire. The two-wire system can realize true multi-point two-way communication. When four-wire connection is adopted, only point-to-multipoint communication can be realized.
  • the temperature control device further includes a temperature judging module 60 for judging whether the current temperature of the storage space is suitable for the storage of items according to the relationship between the maximum temperature Tmax and the minimum temperature Tmin and the optimal storage temperature range, and the judgment result Send to the temperature adjustment device 40.
  • the working state of the temperature adjustment device 40 includes cooling and heating of the storage space, and at the same time, a corresponding target temperature value is set to control the degree of cooling or heating of the storage space by the temperature adjustment device 40.
  • the temperature control device further includes an early warning reminder module 50, which is used to give a warning reminder when it is judged that the current temperature of the storage space is not suitable for storing items according to the temperature value range of the temperature adjustment module and the temperature acquisition module.
  • an early warning reminder module 50 which is used to give a warning reminder when it is judged that the current temperature of the storage space is not suitable for storing items according to the temperature value range of the temperature adjustment module and the temperature acquisition module.
  • Starting the early warning reminder module 50 is used to notify the staff of abnormal storage temperature and the risk of storage damage.
  • the staff can optimize the placement and air duct design of the storage according to this alarm to avoid the risk of storage damage.
  • the staff can artificially adjust the temperature in the storage box by placing the storage items and changing the air duct design of the air outlet of the working unit to reduce the storage. The probability of damage to the material.
  • the warning mode of the early warning reminder module 50 can be divided from simple to more: simple alarm, used to directly alarm to remind the staff of abnormal temperature in the storage box; prompt the temperature in the storage box is too high or too low, the specific can be broadcast through voice or The combination of screen display and alarm reminder informs the staff that the temperature in the storage box is too high or too low; a step-by-step alarm, the actual temperature in the storage box exceeds the optimal storage temperature range to a level According to the judgment and response of this level, different levels of alarm modes are made; the area where the abnormal temperature sensor is prompted, when the actual temperature is monitored to exceed the optimal storage temperature range, the interface will display the temperature that is too high or too low The area where the sensor is located.
  • the temperature control system may further include an input module for the worker to manually input the optimal storage temperature range of the object to be stored, so as to increase the operability of the entire temperature control system.
  • the temperature control system may further include a camera module, which is used to directly take pictures of the storage items, and directly identify the optimal storage temperature corresponding to the matching relationship between the type of storage items stored in advance and the optimal storage temperature range. Range, increase the whole temperature control to realize the intelligentization of the process.
  • the embodiment of the present invention also provides a computer device including a memory and a processor, the memory stores a computer program, and the processor implements the steps of the temperature control method when the computer program is executed.
  • the embodiment of the present invention also provides a computer-readable storage medium on which a computer program is stored, which is characterized in that, when the computer program is executed by a processor, the steps of the temperature control method are implemented.

Abstract

本发明涉及温度控制领域,公开了温度控制方法、温度控制装置、计算机设备和计算机可读存储介质。其中,温度控制方法应用于具有多个温度传感器的储藏空间,包括:获取储藏空间内物品的最佳储藏温度范围,最佳储藏温度范围中,最低温度为Tt_min,最高温度为Tt_max;根据多个温度传感器监测结果,获取储藏空间最高温度Tmax和最低温度Tmin;根据最高温度Tmax和最低温度Tmin与最佳储藏温度范围的关系,控制温度调节设备的工作状态。通过设置多个温度传感器监测储藏空间各区域的实际温度,并根据储藏空间内物品的最佳储藏温度范围与实际温度范围之间的关系,从而控制温度调节设备的工作状态,实现储藏空间内各区域温度分布均匀及储藏空间内的温度与最佳储藏温度匹配。

Description

温度控制方法及装置、计算机设备和计算机可读存储介质 技术领域
本发明涉及温度控制领域,尤其涉及一种温度控制方法及装置、计算机设备和计算机可读存储介质。
背景技术
目前市场上冷藏箱或者冷库温度控制方法比较简单,大多是通过手动设定制冷机组出风口的温度实现制冷保鲜功能,这样通过手动设定温度的方式受人为调节的不确定性和主观性影响较大,并且人工选择的温度与存放食物的最佳温度可能存在不匹配的问题。又由于冷藏箱或者冷库的体积大,货物堆放不合理等原因容易导致出现局部温度过高或者过低,从而导致储藏的果蔬等货物损坏,造成巨大的经济损失。
发明内容
本发明的第一个目的在于提供一种温度控制方法,其旨在解决人为调节温度与最佳储藏温度不匹配且现有储藏箱内温度分布不均匀的技术问题。
为达到上述目的,本发明提供的方案是:一种温度控制方法,应用于具有多个温度传感器的储藏空间,所述温度控制方法包括:
获取所述储藏空间内物品的最佳储藏温度范围,所述最佳储藏温度范围中,最低温度为Tt_min,最高温度为Tt_max;
根据所述多个温度传感器监测结果,获取所述储藏空间最高温度Tmax和最低温度Tmin;
根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关 系,控制温度调节设备的工作状态。
可选地,所述根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,控制温度调节设备的工作状态的步骤包括:
根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏;
若是,则控制所述温度调节设备的工作状态保持不变;
若否,则改变所述温度调节设备的工作状态。
可选地,所述改变所述温度调节设备的工作状态的步骤之后包括:
当所述改变所述温度调节设备的工作状态预设时间Time_max后;
根据所述多个温度传感器监测结果,获取所述储藏空间最高温度Tmax和最低温度Tmin;
根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断到所述储藏空间当前温度不适于所述物品储藏时,进行警告提醒。
可选地,当所述温度调节设备处于制冷时:
所述“根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏”的步骤包括:
当Tmax<Tt_max-Δt或Tmin<Tt_min-Δt时,判断所述储藏空间当前温度不适于所述物品储藏;
所述“改变所述温度调节设备的工作状态”的步骤包括:
选取Tt_min至Tt_max中的值Tt,设置所述温度调节设备目标温度为Tt+Δt,并降低所述温度调节设备制冷效率;
其中Δt为预设温度值,Δt>=0。
可选地,当所述温度调节设备处于制冷时:
所述“根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏”的步骤包括:
当Tmax>Tt_max+Δt时,判断所述储藏空间当前温度不适于所述物品储藏;
所述“改变所述温度调节设备的工作状态”的步骤包括:
选取Tt_min至Tt_max中的值Tt,设置所述温度调节设备目标温度为Tt-Δt,并增加所述温度调节设备制冷效率;
其中Δt为预设温度值,Δt>=0。
可选地,所述“根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏”的步骤包括:
当Tmin>Tt_min+Δt,且Tmax>Tt_max+Δt时,判断所述储藏空间当前温度不适于所述物品储藏;
所述“改变所述温度调节设备的工作状态”的步骤包括:
设置所述温度调节设备目标温度为Tt_min,开启快速制冷模式,其中Δt为预设温度值。
可选地,当所述温度调节设备处于制热时:
所述“根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏”的步骤包括:
当Tmax>Tt_max+Δt或Tmin>Tt_min+Δt时,判断所述储藏空间当前温度不适于所述物品储藏;
所述“改变所述温度调节设备的工作状态”的步骤包括:
选取Tt_min至Tt_max中的值Tt,设置所述温度调节设备目标温度为Tt-Δt,并降低所述温度调节设备制热效率;
其中Δt为预设温度值,Δt>=0。
可选地,当所述温度调节设备处于制热时:
所述“根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏”的步骤包括:
当Tmin<Tt_min-Δt时,判断所述储藏空间当前温度不适于所述物品储藏;
所述“改变所述温度调节设备的工作状态”的步骤包括:
选取Tt_min至Tt_max中的值Tt,设置所述温度调节设备目标温度为Tt+Δt,并增加所述温度调节设备制热效率;
其中Δt为预设温度值,Δt>=0。
可选地,所述“根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏”的步骤包括:
当Tmin<Tt_min-Δt,且Tmax<Tt_max-Δt时,判断所述储藏空间当前温度不适于所述物品储藏;
所述“改变所述温度调节设备的工作状态”的步骤包括:
设置所述温度调节设备目标温度为Tt_max,开启快速制热模式,其中Δt为预设温度值。
本发明的第二个目的在于提供一种温度控制系统,包括:多个温度传感器;
温度设定模块,所述温度设定模块用于获取所述储藏空间内物品的最佳储藏温度范围,所述最佳储藏温度范围中,最低温度为Tt_min,最高温度为Tt_max;
温度获取模块,所述温度获取模块用于根据所述多个温度传感器的监测结果,获取储藏空间最高温度Tmax和最低温度Tmin;
温度调节设备,用于根据所述温度设定模块与所述温度获取模块的温度数值范围,调节工作状态。
进一步地,所述温度控制装置还包括温度判断模块,用于根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏,并将判断结果发送至所述温度调节设备。
进一步地,所述温度控制装置还包括预警提醒模块,用于根据所述温度调节模块与所述温度获取模块的温度数值范围,判断储藏空间当前温度不适于所 述物品储藏时,进行警告提醒。
本发明的第三个目的在于提供一种计算机设备,包括存储器和处理器,所述存储器存储有计算机程序,所述处理器执行所述计算机程序时实现上述方法的步骤。
本发明的第四个目的在于提供一种计算机可读存储介质,其上存储有计算机程序,所述计算机程序被处理器执行时实现上述方法的步骤。
本发明提供的一种温度控制方法、温度控制装置、计算机设备和计算机可读存储介质。其中,温度控制方法通过设置多个温度传感器监测储藏空间各区域的实际温度,并根据储藏空间内物品的最佳储藏温度范围与实际温度范围之间的关系,从而控制温度调节设备的工作状态,实现储藏空间内各区域温度分布均匀及储藏空间内的温度与最佳储藏温度匹配。当储藏空间内由于货物摆放或者风道设计不合理无法实现温度均匀控制时,本发明的温度控制方法能够使得储藏空间的整体温度控制在最佳保鲜范围内。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图示出的结构获得其他的附图。
图1是本发明一实施例中的温度控制系统结构示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明的一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
需要说明,本发明实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等,如果该特定姿态发生改变时,则该方向性指示也相应地随之改变。
还需要说明的是,当元件被称为“固定于”或“设置于”另一个元件上时,它可以直接在另一个元件上或者可能同时存在居中元件。当一个元件被称为是“连接”另一个元件,它可以是直接连接另一个元件或者可能同时存在居中元件。
另外,在本发明中涉及“第一”、“第二”等的描述仅用于描述目的,而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外,各个实施例之间的技术方案可以相互结合,但是必须是以本领域普通技术人员能够实现为基础,当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在,也不在本发明要求的保护范围之内。
本发明实施例提供的一种温度控制方法,应用于具有多个温度传感器的储藏空间,该温度控制方法包括:获取储藏空间内物品的最佳储藏温度范围,最佳储藏温度范围中,最低温度为Tt_min,最高温度为Tt_max;根据多个温度传感器监测结果,获取储藏空间最高温度Tmax和最低温度Tmin;根据最高温度Tmax和最低温度Tmin与最佳储藏温度范围的关系,控制温度调节设备的工作状态。这样,可以使得储藏空间内的整体温度控制在最佳保鲜范围内,从而实现储藏空间内温度均匀性的控制。
需要统一说明的是:Tmin为实际温度范围中的最低温度值,Tmax为实际温度范围中的最高温度值,Tt_min为最佳储藏温度范围中的最佳储藏温度下限值,Tt_max为最佳储藏温度范围中的最佳储藏温度上限值。
其中,控制温度调节设备的工作状态包括:控制温度调节设备的打开或关闭、温度调节设备的输出温度(冷或热)、温度调节设备的输出功率(大或小)、温度调节设备的输出方向(出风口方向)、温度调节设备的目标温度等。
具体的,可以设置出风口的方向是单一方向,具体应用中,也可以设置出风口的方向为多方向,即可转向。这样可以避免储藏空间内由于货物摆放或者风道设计不合理无法实现温度均匀控制时,通过出风口的方向进行调整储藏空间内的空气流向,以达到最佳储藏温度范围。
其中,获取储藏空间内物品的最佳储藏温度范围,可根据用户手动输入的方式输入待储藏物品的最佳储藏温度上限值和下限值来确定其最佳储藏温度范围。实际应用中,也可通过摄像单元对所储藏的物品进行摄像拍摄获取待储藏物的图片,并与预先设置的储藏物种类和最佳储藏温度范围之间的对应关系,进一步自动提取待储藏物的最佳储藏温度范围。
需要指出的是,所述获取待储藏物的最佳储藏温度范围的方式不限于手动输入的方式和通过摄像单元自动获取的方式,其它只要能够获取待储藏物的最佳储藏温度范围的方式均可替换。
在一个实施例中,根据最高温度Tmax和最低温度Tmin与最佳储藏温度范围的关系,控制温度调节设备的工作状态的步骤包括:根据最高温度Tmax和最低温度Tmin与最佳储藏温度范围的关系,判断储藏空间当前温度是否适于物品储藏;
若是,则控制温度调节设备的工作状态保持不变;
若否,则改变温度调节设备的工作状态。
这样,通过判断储藏空间的温度是否适于物品储藏,可以自适应的调节储藏空间内的温度,降低温度调节设备的耗能。
在一个实施例中,改变温度调节设备的工作状态的步骤之后包括:
当改变温度调节设备的工作状态预设时间Time_max后;
根据多个温度传感器监测结果,获取储藏空间最高温度Tmax和最低温度Tmin;
根据最高温度Tmax和最低温度Tmin与最佳储藏温度范围的关系,判断到储藏空间当前温度不适于物品储藏时,进行警告提醒。
具体的,警告提醒的方式可以是语音播报或屏幕显示与报警提醒的结合方式,具体应用中,也可以通过发出光亮或文字信息进行提醒。
在一个实施例中,当温度调节设备处于制冷时:
根据最高温度Tmax和最低温度Tmin与最佳储藏温度范围的关系,判断储藏空间当前温度是否适于物品储藏的步骤包括:
当Tmax<Tt_max-Δt或Tmin<Tt_min-Δt时,
判断储藏空间当前温度不适于物品储藏;
改变温度调节设备的工作状态步骤包括:
选取Tt_min至Tt_max中的值Tt,设置温度调节设备目标温度为Tt+Δt,并降低温度调节设备制冷效率;其中Δt为预设温度值,Δt>=0。
需要统一说明的是,Tt为目标温度值,Δt为微调变量,使温度值在一个灵活范围内变换,即对温度值变化起一个舒缓的作用。Δt作为一个缓冲值,可以通过设置Δt对储藏空间内的温度进行平稳的变化,防止储藏空间内的温度来回变化,造成制冷效果不好,增加耗能。实际应用中,在储藏空间内的温度变化范围较小的时候,温度调节设备可以进行快速的降温,以达到所需的温度,减少温度调节设备的耗能。
在一个实施例中,当温度调节设备处于制冷时:
根据最高温度Tmax和最低温度Tmin与最佳储藏温度范围的关系,判断储藏空间当前温度是否适于物品储藏的步骤包括:
当Tmax>Tt_max+Δt时,判断储藏空间当前温度不适于物品储藏;
改变温度调节设备的工作状态步骤包括:
选取Tt_min至Tt_max中的值Tt,设置温度调节设备目标温度为Tt-Δt,并增加温度调节设备制冷效率;其中Δt为预设温度值,Δt>=0。
在一个实施例中,根据最高温度Tmax和最低温度Tmin与最佳储藏温度范围的关系,判断储藏空间当前温度是否适于物品储藏的步骤包括:
当Tmin>Tt_min+Δt,且Tmax>Tt_max+Δt时,判断储藏空间当前温度不适于物品储藏;
改变温度调节设备的工作状态的步骤包括:
设置温度调节设备目标温度为Tt_min,开启快速制冷模式,其中Δt为预设温度值。
具体的,温度调节设备可以制冷,也可以制热。在一个实施例中,当温度调节设备处于制热时:
根据最高温度Tmax和最低温度Tmin与最佳储藏温度范围的关系,判断储藏空间当前温度是否适于物品储藏的步骤包括:
当Tmax>Tt_max+Δt或Tmin>Tt_min+Δt时,判断储藏空间当前温度不适于物品储藏;
改变温度调节设备的工作状态步骤包括:
选取Tt_min至Tt_max中的值Tt,设置温度调节设备目标温度为Tt-Δt,并降低温度调节设备制热效率;其中Δt为预设温度值,Δt>=0。
在一个实施例中,当温度调节设备处于制热时:
根据最高温度Tmax和最低温度Tmin与最佳储藏温度范围的关系,判断储藏空间当前温度是否适于物品储藏的步骤包括:
当Tmin<Tt_min-Δt时,判断储藏空间当前温度不适于物品储藏;
改变温度调节设备的工作状态步骤包括:
选取Tt_min至Tt_max中的值Tt,设置温度调节设备目标温度为Tt+Δt,并增加温度调节设备制热效率;
其中Δt为预设温度值,Δt>=0。
在一个实施例中,根据最高温度Tmax和最低温度Tmin与最佳储藏温度范围的关系,判断储藏空间当前温度是否适于物品储藏的步骤包括:
当Tmin<Tt_min-Δt,且Tmax<Tt_max-Δt,判断储藏空间当前温度不适于物 品储藏;
改变温度调节设备的工作状态步骤包括:
设置温度调节设备目标温度为Tt_max,开启快速制热模式,其中Δt为预设温度值。
本发明实施例提供的温度控制方法包括但不限于适用于多温区冷藏箱独立温区控制、冷库、容器等温度均匀性控制。
具体的,本发明一实施例选取一冷藏箱作为储藏空间,储藏的物品为果蔬,温度调节设备为一冷机。通常果蔬有一个最佳储藏温度范围。假设果蔬的最佳储藏温度下限值为Tt_min,最佳储藏温度上限值为Tt_max;冷藏箱内多个温度传感器测温的数值分别为T1,T2,T3…Tn,选取其中的最高温度为Tmax,最低温度为Tmin。
冷藏箱启动存在3种情况:第一种是当冷藏箱最低温度Tmin大于最佳储藏温度下限值Tt_min+Δt,且最高温度Tmax高于最佳储藏温度上限值Tt_max+Δt;第二种是冷藏箱最低温度Tmin小于最佳储藏温度下限值Tt_min-Δt,且最高温度Tmax低于最佳储藏温度上限值Tt_max-Δt;第三种是冷藏箱最低温度Tmin大于最佳储藏温度下限值Tt_min+Δt,且最高温度Tmax低于最佳储藏温度上限值Tt_max-Δt,此种情况不需要进行温度控制。
例如,冷藏箱启动第一种情况时:
(1)当冷藏箱最低温度Tmin(2℃),大于最佳储藏温度下限值Tt_min+Δt(0℃+1℃),且最高温度Tmax(6℃)高于最佳储藏温度上限值Tt_max+Δt时(4℃+1℃):
冷机的目标温度设置为Tt=Tt_min(0℃),对冷藏箱进行快速制冷。
(2)若冷藏箱最高温度Tmax(2℃)低于最佳储藏温度上限值Tt_max-Δt(4℃-1℃)或冷藏箱最低温度Tmin(-2℃)小于最佳储藏温度下限值Tt_min-Δt(0℃-1℃),时:
冷机目标温度Tt=Tt+Δt(2℃+1℃),目标温度自动上升,减少制冷量。 Tt限制在Tt_min和Tt_max之间,Δt>=0。
(3)若冷藏箱最高温度Tmax(6℃)高于最佳储藏温度上限值Tt_max+Δt(4℃+1℃)时:
冷机目标温度Tt=Tt-Δt(2℃-1℃),目标温度下降,增加制冷量。Tt限制在Tt_min和Tt_max之间。
(4)若冷机长时间制冷超过Time_Max时,冷藏箱最高温度Tmax(6℃)仍高于最佳储藏温度上限值为Tt_max+Δt(4℃+1℃),则冷藏箱无法实现目标温度范围内温度均匀控制,此时可通过报警告知驾驶员存在货物温度超出控制范围,存在果蔬等货物损腐的风险,驾驶员可根据此次报警优化货物摆放和制冷风道设计从而规避果蔬损腐的风险。
如图1所示,本发明的实施例还提供一种温度控制装置,包括:多个温度传感器20;
温度设定模块10,温度设定模块10用于获取储藏空间内物品的最佳储藏温度范围,最佳储藏温度范围中,最低温度为Tt_min,最高温度为Tt_max;
温度获取模块30,温度获取模块30用于根据多个温度传感器20的监测结果,获取储藏空间最高温度Tmax和最低温度Tmin;
温度调节设备40,用于根据温度设定模块10与温度获取模块30的温度数值范围,调节工作状态。
具体的,温度控制装置用于根据多个温度传感器20的监测结果改变储藏空间内的温度。在储藏空间中的各个区域分布多个温度传感器20,来获取储藏空间中各区域的实际温度,并从各温度传感器20所采集的实际温度确定最高温度和最低温度,从而确定储藏空间内的实际温度范围,多个温度传感器20的设置可使得监测储藏空间中各区域的实际温度变化,从而反馈出储藏空间内的实际温度,便于根据实际温度的变化来调节温度调节设备的工作状态以及对应的目标温度。多个温度传感器20的设置方式不限于均匀分布于储藏空间中的各个区域,也可根据用户需求来设置多个温度传感器20的分布位置。
温度控制装置通过温度传感器获取不同区域温度,经过温度均匀性控制算法计算出最佳目标温度,通过RS485通信或者CAN通信方式设置温度调节设备40的目标温度值,从而实现储藏空间的温度均匀性自适应控制。CAN是Controller Area Network的缩写,是ISO国际标准化的串行通信协议,CAN的高性能和可靠性已被认同,并被广泛地应用于工业自动化、船舶、医疗设备、工业设备等方面。RS485通信是从RS422通信的基础上发展而来的,可以采用二线与四线两种不同的方式,二线制可实现真正的多点双向通信。而采用四线连接时,只能实现点对多点的通信。
在一个实施例中,温度控制装置还包括温度判断模块60,用于根据最高温度Tmax和最低温度Tmin与最佳储藏温度范围的关系,判断储藏空间当前温度是否适于物品储藏,并将判断结果发送至温度调节设备40。
其中,温度调节设备40的工作状态包括对储藏空间的制冷和制热,同时设定对应的目标温度值来控制温度调节设备40对储藏空间的制冷或制热程度。
在一个实施例中,温度控制装置还包括预警提醒模块50,用于根据温度调节模块与温度获取模块的温度数值范围,判断储藏空间当前温度不适于物品储藏时,进行警告提醒。
启动预警提醒模块50用于告知工作人员储藏温度异常,存在储藏物损腐的风险,工作人员可根据此次报警优化储藏物的摆放和风道设计从而规避储藏物损腐的风险,具体的,在工作人员通过预警提醒模块50得知储藏箱中的温度异常时,可人为通过对储藏物进行摆放,以及更改工作机组的出风口的风道设计来调整储藏箱内的温度,进而降低储藏物损腐的几率。
预警提醒模块50的提醒方式由简到多可分为:简单报警,用于直接进行报警提醒工作人员储藏箱内温度异常;提示储藏箱内的温度过高或过低,具体可通过语音播报或屏幕显示与报警提醒的结合方式来告知工作人员储藏箱内的温度处于过高或过低的情况下;逐级报警,将储藏箱内的实际温度超出最佳储藏温度范围的程度来进行一个层级的判断,并根据该层级判断响应做出不同等级 的报警模式;提示异常的温度传感器的所在区域,当监测到实际温度超出最佳储藏温度范围时,通过界面显示温度过高或过低的温度传感器的所在区域。
在一个实施例中,温度控制系统还可以包括输入模块,用于工作人员手动输入待储藏物的最佳储藏温度范围,这样增加整个温度控制系统的可操作性。
在一个实施例中,温度控制系统还可以包括摄像模块,用于直接对待储藏物进行拍照,并与预先存储的储藏物种类与最佳储藏温度范围对应的关系直接识别匹配对应的最佳储藏温度范围,增加整个温度控制实现过程的智能化。
本发明的实施例还提供一种计算机设备,包括存储器和处理器,存储器存储有计算机程序,处理器执行计算机程序时实现温度控制方法的步骤。
本发明的实施例还提供一种计算机可读存储介质,其上存储有计算机程序,其特征在于,计算机程序被处理器执行时实现温度控制方法的步骤。
以上所述仅为本发明的优选实施例,并非因此限制本发明的专利范围,凡是在本发明的发明构思下,利用本发明说明书及附图内容所作的等效结构变换,或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。

Claims (11)

  1. 一种温度控制方法,应用于具有多个温度传感器的储藏空间,其特征在于,所述温度控制方法包括:
    获取所述储藏空间内物品的最佳储藏温度范围,所述最佳储藏温度范围中,最低温度为Tt_min,最高温度为Tt_max;
    根据所述多个温度传感器监测结果,获取所述储藏空间最高温度Tmax和最低温度Tmin;
    根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,控制温度调节设备的工作状态。
  2. 如权利要求1所述的温度控制方法,其特征在于,所述根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,控制温度调节设备的工作状态的步骤包括:
    根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏;
    若是,则控制所述温度调节设备的工作状态保持不变;
    若否,则改变所述温度调节设备的工作状态。
  3. 如权利要求2所述的温度控制方法,其特征在于,所述改变所述温度调节设备的工作状态的步骤之后包括:
    当所述改变所述温度调节设备的工作状态预设时间Time_max后;
    根据所述多个温度传感器监测结果,获取所述储藏空间最高温度Tmax和最低温度Tmin;
    根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断到所述储藏空间当前温度不适于所述物品储藏时,进行警告提醒。
  4. 如权利要求2或3所述的温度控制方法,其特征在于,
    当所述温度调节设备处于制冷时:
    所述“根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏”的步骤包括:
    当Tmax<Tt_max-Δt或Tmin<Tt_min-Δt时,判断所述储藏空间当前温度不适于所述物品储藏;
    所述“改变所述温度调节设备的工作状态”的步骤包括:
    选取Tt_min至Tt_max中的值Tt,设置所述温度调节设备目标温度为Tt+Δt,并降低所述温度调节设备制冷效率;
    其中Δt为预设温度值,Δt>=0;或者,
    当所述温度调节设备处于制冷时:
    所述“根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏”的步骤包括:
    当Tmax>Tt_max+Δt时,判断所述储藏空间当前温度不适于所述物品储藏;
    所述“改变所述温度调节设备的工作状态”的步骤包括:
    选取Tt_min至Tt_max中的值Tt,设置所述温度调节设备目标温度为Tt-Δt,并增加所述温度调节设备制冷效率;
    其中Δt为预设温度值,Δt>=0。
  5. 如权利要求2或3所述的温度控制方法,其特征在于:
    所述“根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏”的步骤包括:
    当Tmin>Tt_min+Δt,且Tmax>Tt_max+Δt时,判断所述储藏空间当前温度不适于所述物品储藏;
    所述“改变所述温度调节设备的工作状态”的步骤包括:
    设置所述温度调节设备目标温度为Tt_min,开启快速制冷模式,其中Δt为预设温度值;或者,
    所述“根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围 的关系,判断所述储藏空间当前温度是否适于所述物品储藏”的步骤包括:
    当Tmin<Tt_min-Δt,且Tmax<Tt_max-Δt时,判断所述储藏空间当前温度不适于所述物品储藏;
    所述“改变所述温度调节设备的工作状态”的步骤包括:
    设置所述温度调节设备目标温度为Tt_max,开启快速制热模式,其中Δt为预设温度值。
  6. 如权利要求2或3所述的温度控制方法,其特征在于,
    当所述温度调节设备处于制热时:
    所述“根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏”的步骤包括:
    当Tmax>Tt_max+Δt或Tmin>Tt_min+Δt时,判断所述储藏空间当前温度不适于所述物品储藏;
    所述“改变所述温度调节设备的工作状态”的步骤包括:
    选取Tt_min至Tt_max中的值Tt,设置所述温度调节设备目标温度为Tt-Δt,并降低所述温度调节设备制热效率;
    其中Δt为预设温度值,Δt>=0;或者,
    当所述温度调节设备处于制热时:
    所述“根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏”的步骤包括:
    当Tmin<Tt_min-Δt时,判断所述储藏空间当前温度不适于所述物品储藏;
    所述“改变所述温度调节设备的工作状态”的步骤包括:
    选取Tt_min至Tt_max中的值Tt,设置所述温度调节设备目标温度为Tt+Δt,并增加所述温度调节设备制热效率;
    其中Δt为预设温度值,Δt>=0。
  7. 一种温度控制装置,其特征在于,包括:多个温度传感器;
    温度设定模块,所述温度设定模块用于获取所述储藏空间内物品的最佳储藏温度范围,所述最佳储藏温度范围中,最低温度为Tt_min,最高温度为Tt_max;
    温度获取模块,所述温度获取模块用于根据所述多个温度传感器的监测结果,获取储藏空间最高温度Tmax和最低温度Tmin;
    温度调节设备,用于根据所述温度设定模块与所述温度获取模块的温度数值范围,调节工作状态。
  8. 如权利要求7所述的温度控制装置,其特征在于,所述温度控制装置还包括温度判断模块,用于根据所述最高温度Tmax和最低温度Tmin与所述最佳储藏温度范围的关系,判断所述储藏空间当前温度是否适于所述物品储藏,并将判断结果发送至所述温度调节设备。
  9. 如权利要求8所述的温度控制装置,其特征在于,所述温度控制装置还包括预警提醒模块,用于根据所述温度调节模块与所述温度获取模块的温度数值范围,判断储藏空间当前温度不适于所述物品储藏时,进行警告提醒。
  10. 一种计算机设备,包括存储器和处理器,所述存储器存储有计算机程序,其特征在于,所述处理器执行所述计算机程序时实现权利要求1至9中任一项所述方法的步骤。
  11. 一种计算机可读存储介质,其上存储有计算机程序,其特征在于,所述计算机程序被处理器执行时实现权利要求1至9中任一项所述的方法的步骤。
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