WO2022077703A1 - Temperature regulating system and controller thereof, control method and computer-readable medium - Google Patents

Temperature regulating system and controller thereof, control method and computer-readable medium Download PDF

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Publication number
WO2022077703A1
WO2022077703A1 PCT/CN2020/130364 CN2020130364W WO2022077703A1 WO 2022077703 A1 WO2022077703 A1 WO 2022077703A1 CN 2020130364 W CN2020130364 W CN 2020130364W WO 2022077703 A1 WO2022077703 A1 WO 2022077703A1
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time
temperature
target
value
control method
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PCT/CN2020/130364
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French (fr)
Chinese (zh)
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项宇
韩年生
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艾默生环境优化技术(苏州)有限公司
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Publication of WO2022077703A1 publication Critical patent/WO2022077703A1/en

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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
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems

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  • the present disclosure relates to the technical field of temperature regulation, and more particularly, to a control method for a temperature regulation system and a related computer-readable medium, a controller and a temperature regulation system.
  • the target cooling time (usually several minutes or several hours) and the target cooling temperature are determined in advance according to the properties of the object to be cooled and the corresponding bacterial reproduction characteristics.
  • a temperature protection warning system is usually installed in the refrigeration device to ensure effective cooling of the product.
  • the following alarm methods are often used: pre-setting the target temperature and the target time for cooling to the target temperature, the controller monitors the temperature and accumulates the time, When the time reaches the threshold (ie, the target time has elapsed), the detected temperature is compared with the target temperature, no alarm is given when the detected temperature is at or below the target temperature, and when the detected temperature is higher than the target temperature an alarm is issued.
  • An object of the present disclosure is to provide a control method or system capable of predicting the time required for temperature adjustment.
  • Another object of the present disclosure is to provide a control method or system capable of providing a user with an early warning of temperature adjustment failure.
  • Another object of the present disclosure is to provide a control method or system that can respond quickly, issue an alarm in advance, and effectively avoid economic losses.
  • Another object of the present disclosure is to provide a control method or system capable of correcting and/or pre-processing data to improve prediction accuracy.
  • Another object of the present disclosure is to provide a control method or system capable of providing the predicted total time and/or the predicted remaining time as a reference.
  • a controller for controlling a temperature regulation system.
  • the temperature regulation system includes a condensing unit and a temperature control area.
  • the controller includes: an input module that allows a user to set and input a target temperature for the temperature control area via the input module; a monitoring module that monitors and records the temperature control in real time a temperature value in the area and a time value corresponding to the temperature value; and an arithmetic module that calculates the calculation time for the temperature-controlled area to reach the target temperature based on the recorded temperature value and the corresponding time value, wherein , the calculation time includes the remaining time and the total time, the remaining time is the time from the current time point to reaching the target temperature, and the total time is from the time point when the temperature regulation system is turned on to reaching the target temperature time to describe the target temperature.
  • the time value may be the time (time length, such as 20 minutes) elapsed from the time point when the temperature regulation system is turned on to the time point when a certain temperature measurement is performed. Each time value corresponds to a measured temperature value.
  • the time value can also be the current time (eg, what time, few minutes and seconds).
  • the calculation time can be calculated from the ratio of the temperature difference.
  • the controller further includes an output module, and the output module outputs the calculation time to the user.
  • the output module includes a display interface for visually displaying the calculation time.
  • the monitoring module at least includes: a timer; and a sensor for directly or indirectly measuring the temperature value in the temperature control area.
  • the input module further allows the user to set and input the target time from the time when the temperature regulation system is turned on until the temperature control area reaches the target temperature via the input module, and,
  • the controller also includes an alarm module for comparing the total time with the target time.
  • the alarm module issues an alarm instruction when the total time is greater than the target time.
  • the temperature regulation system includes a controller as described above.
  • a control method for controlling a temperature regulation system includes a condensing unit and a temperature control area.
  • the control method includes: presetting a target temperature for the temperature control area; monitoring and recording a temperature value in the temperature control area in real time and recording a time value corresponding to the temperature value; and, based on the recorded
  • the temperature value and the corresponding time value calculate the calculation time for the temperature control area to reach the target temperature, wherein the calculation time includes the remaining time and the total time, and the remaining time is from the current time point to reaching the target.
  • the time of the temperature, the total time is the time from the time when the temperature regulation system is turned on to the time when the target temperature is reached.
  • control method further comprises: presetting a target time from the time when the temperature adjustment system is turned on until the temperature control area reaches the target temperature, and comparing the total time with In the target time, an alarm is issued when the total time is greater than the target time, and when the total time is less than or equal to the target time, the alarm is not issued and the issued alarm is cancelled.
  • control method further comprises: after an alarm is issued, manually or automatically increasing the capacity output of the condensing unit.
  • the total time is calculated by the following equation:
  • Tr refers to the remaining time
  • T t refers to said total time
  • T n and T n-1 refer to the time values elapsed from the time point when the temperature regulation system is turned on to the nth and n-1th time points, respectively, wherein n ⁇ 2;
  • t n and t n-1 refer to the temperature values monitored and recorded at the nth and n-1th time points, respectively;
  • tset is the target temperature
  • k is the correction coefficient
  • the value of the correction coefficient is based on the working state of the condensing unit, the specification and model of the condensing unit, the start-up time of the temperature adjustment system, the specification and model of the temperature control area, and storage and/or, the value of the correction coefficient is manually set by the user according to experience or automatically set through a predetermined program.
  • the value of the correction coefficient is within the range of 0.2 to 5.
  • control method further comprises: outputting the calculation time to the user.
  • the temperature value used to calculate the calculation time is monitored and recorded 3 to 10 minutes after the temperature adjustment system is started, or the temperature value used to calculate the calculation time is Monitoring and recording is performed after the temperature adjustment system is activated to stabilize the cooling capacity of the temperature adjustment system output to the temperature control area.
  • the temperature value used to calculate the calculation time is monitored and recorded at predetermined time intervals.
  • a computer-readable medium stores a program for controlling the temperature regulation system.
  • the program when executed, implements the steps in the control method as described above.
  • the technical solution according to the present disclosure has at least one of the following advantages: timeliness, potential risks can be predicted in advance to allow timely remedial measures to reduce losses; accuracy, data can be preprocessed At the same time, it provides correction parameters, and the prediction accuracy is high; adjustability, which can provide correction coefficients, so it can adapt to different applications; and predictability, which can provide users with the total forecast time and forecast remaining time for reference.
  • the present disclosure predicts the total time and/or the remaining time, and compares the calculated time with the target time according to the As a result, a decision on whether to issue an early warning can be made, and potential risks can be predicted in advance in a unique and reliable and efficient way.
  • FIG. 1 is a schematic composition diagram of a temperature regulation system according to an embodiment of the present disclosure.
  • FIG. 2 is a flowchart of a control method according to an embodiment of the present disclosure.
  • FIG 3 is a schematic diagram of a temperature profile according to an embodiment of the present disclosure.
  • FIG. 1 shows an example of a temperature regulation system 10 in accordance with the present disclosure.
  • the temperature regulation system is used to rapidly cool items (eg, foods that require rapid cooling) and may include: a condensing unit 100; at least a temperature-controlled area 110 (eg, a temperature control area 110 that accommodates and stores items to be cooled and cools the items to a target temperature tset ) , cold storage or liquid storage tank); cooling line 101, the cooling medium in the cooling line 101 is suitable for exchanging heat with the working fluid in the refrigeration circuit of the condensing unit to provide cooling for the temperature control area 110; and controlling the temperature adjustment system 10. Operation of the controller 120.
  • a temperature-controlled area 110 eg, a temperature control area 110 that accommodates and stores items to be cooled and cools the items to a target temperature tset
  • cooling line 101 the cooling medium in the cooling line 101 is suitable for exchanging heat with the working fluid in the refrigeration circuit of the condensing unit to provide cooling for the temperature control area 110; and controlling
  • the controller of the temperature regulation system has a temperature warning protection function.
  • the composition of the controller and the control method with the early warning mechanism will be described below based on FIGS. 1 to 3 .
  • the controller 120 includes: an input module 121 through which a user can set various operating parameters, including a target temperature t set for the temperature control area 110 and making the temperature of the temperature control area 110 reach the target temperature t set The target time Tset ; the monitoring module 123, the monitoring module includes at least a timer (not shown) and a sensor 124, the sensor can monitor and record the temperature value in the temperature control area 110, which can also be combined with the monitored temperature.
  • the arithmetic module 125 which can obtain data for calculation from the monitoring module 123 for calculation, including calculating the target temperature t set based on the time value and temperature value corresponding to the selected time point the calculation time; the alarm module 127, the alarm module can compare the calculation time and the target time Tset , and based on the comparison result of the calculation time and the target time Tset , issue an alarm instruction or not issue an alarm instruction and issue a cancel alarm instruction; and an output module 129 , the output module can receive an instruction from the alarm module and output an alarm signal to the user based on the instruction, and can also output information reflecting the operating status of the system, including the calculation time calculated by the operation module 125 .
  • the sensor 124 is a temperature sensor disposed at an appropriate position of the temperature control area 110 , which can directly measure the temperature of the temperature control area 110 .
  • the temperature can also be measured in an indirect way. For example, considering that there is a certain linear relationship between the temperature of the temperature control area 110 and the low pressure of the condensing unit 100, if the low pressure of the condensing unit 100 reaches the set value, It basically means that the temperature control area 110 has also reached the target temperature t set . Based on this principle, the temperature in the temperature control area 110 can be indirectly measured by a pressure sensor that measures the low pressure pressure of the compressor in the condensing unit 100 .
  • the capacity output is usually unstable, and the output of the refrigeration capacity does not tend to be stable until the high and low pressure pressures are stabilized.
  • the unit 100 is selected from the stage after the unit 100 runs for a predetermined time and the capacity output becomes stable. Usually, the aforementioned predetermined time is about 2 to 5 minutes. Accordingly, the first detection or selection of the temperature value can be performed, for example, 3 to 10 minutes after the condensing unit is turned on (that is, the temperature adjustment system 10 is turned on), and then The temperature value is detected at a predetermined time interval ⁇ T or a value to be used is selected from the temperature values measured in real time.
  • the stable cooling capacity of the temperature regulation system ie, the condensing unit output to the temperature control area may refer to a state where the cooling capacity reaches more than 90%, and the high and low pressures of the system are stable (for example, the saturation corresponding to the high and low pressures
  • the temperature fluctuates within plus or minus 0.5°C/min).
  • the calculation time obtained by calculation may be the remaining time Tr from the current time point to reaching the target temperature tset , or may be the time from the time point when the temperature regulation system is turned on to reaching the target temperature ( tset ).
  • Total time (T t ) In theory, this total time T t is equal to the sum of the aforementioned remaining time Tr and the current time ( ie , the time when the calculation is performed).
  • the calculation method can use any suitable existing mathematical operation method.
  • the remaining time Tr can be calculated by the following equation (1):
  • the total time T t can be calculated by the following formula (2):
  • T n and T n-1 refer to the time values elapsed from the time point when the temperature regulation system is turned on to the nth and n-1th time points, respectively, where n ⁇ 2;
  • t n and t n-1 refer to the temperature values monitored and recorded at the nth and n-1th time points, respectively;
  • k is the correction coefficient
  • the value of the correction coefficient can be based on the working state of the condensing unit 100 (for example, the speed of the compressor, etc.), the specification and model of the condensing unit 100 (for example, the number), the time the temperature regulation system 10 has been activated, the size of the temperature-controlled zone 110 (eg, the volume of the temperature-controlled zone), and the properties of the items stored in the temperature-controlled zone (eg, the thermal capacity of the item) set at least one.
  • the value of the correction coefficient is manually set by the user according to experience or automatically through a predetermined program.
  • the output module 129 includes a display interface such as a liquid crystal display screen to visually display one or both of the calculated total time T t and remaining time T r to the user, through the display interface, the user can predict in advance Whether the target temperature t set can be reached within the target time T set can also be predicted in advance when the target temperature t set can be reached, which will facilitate the customer to understand and control the operating status of the system, so that corresponding measures can be taken according to the operating status.
  • a display interface such as a liquid crystal display screen to visually display one or both of the calculated total time T t and remaining time T r to the user, through the display interface, the user can predict in advance Whether the target temperature t set can be reached within the target time T set can also be predicted in advance when the target temperature t set can be reached, which will facilitate the customer to understand and control the operating status of the system, so that corresponding measures can be taken according to the operating status.
  • the alarm module 127 is configured to issue an alarm instruction when the calculated total time T t is greater than the target time T set , and when the calculated total time T t is less than or equal to the target time T set , it will not issue an alarm instruction but issue an alarm cancellation. instruction.
  • an alarm command is issued, it means that the temperature in the temperature control area 110 cannot reach the target temperature tset when the target time Tset is reached.
  • the user can choose to increase the capacity output of the condensing unit. This is done by the user manually modifying operating parameters based on experience, or can be set to automatically increase the volume output when an alarm occurs. However, it will be appreciated that the user may choose to dismiss the alarm without taking any action when the alarm is raised.
  • FIG. 2 shows a flowchart of the control method of this exemplary embodiment
  • FIG. 3 shows a schematic diagram of a temperature curve of this exemplary embodiment.
  • the condensing unit 100 When the condensing unit 100 is turned on, the temperature of the temperature control area 110 (or the product to be cooled) is the initial temperature t 0 , the timer will be turned on synchronously at this time and the running time will be recorded. After running for a predetermined time T p , the capacity input of the condensing unit 100 has basically stabilized, and the first number of value recordings can be started immediately or later, that is, the recording time point T 1 and the corresponding temperature value t in the temperature control area 110 1 , so T 1 is greater than or equal to T p . After the condensing unit 100 continues to operate for a predetermined time interval ⁇ T, a second set of time points T 2 and corresponding temperature values t 2 are recorded.
  • a set of data is recorded every predetermined time interval ⁇ T, and after each recording (the nth time, n ⁇ 2) is completed, the time point Tn and temperature value tn recorded in this time are the same as those of the previous time (the nth time, n ⁇ 2).
  • the time point T n-1 and the temperature value t n-1 recorded for n-1 times) are substituted into the aforementioned equation (2) for calculation.
  • the temperature drop has a non-linear relationship with time, the slope of the actual temperature curve is constantly changing, which will cause the calculation time calculated at different time points to be constantly changing. Therefore, in the prediction process, it is possible to switch between the alarm state and the non-alarm state.
  • the alarm state when the calculated total time T t becomes less than or equal to the target time T set , or when the measured When the temperature tx becomes less than or equal to the target temperature tset or the unit stops, the previous alarm state can be released.
  • the alarm module 127 will issue an alarm command. , to indicate that the temperature may not be able to drop below the target temperature tset before the target time Tset , at which time the user can choose whether to take some measures to improve the cooling efficiency or manually dismiss the alarm. In the following data recording and calculation process, since the user has obtained an alarm reminder, appropriate measures can be taken to increase the cooling efficiency.
  • the total time T t calculated at the time point T n is less than or equal to the target time T set , so that the previous alarm can be released, and Finally, the temperature is reduced to below the target temperature tset before the target time Tset , so as to avoid possible economic losses.
  • the initial temperature t 0 of the manufactured milk product was 35° C.
  • the set target temperature t set was 4° C.
  • the set target time T set was 2 hours. After the refrigeration system was turned on for 3 minutes, the capacity output of the refrigeration system was basically stable.
  • the calculated remaining time Tr is 87 minutes
  • the selection of the k value will significantly affect the accuracy of the prediction results.
  • the value of k can be obtained through empirical inference and set according to the working state of the temperature regulation system.
  • the value of k can be adjusted with the change of the slope of the temperature curve.
  • the value of k can be adjusted within the range of 0.2 to 5.
  • the adjustment of its value can be set manually by the operator based on experience or automatically through a predetermined program. In different applications, the value of k can also be adjusted accordingly. With this adjustable correction factor, the calculated results will have higher accuracy.
  • Exemplary embodiments of the temperature regulation system and control method according to the present disclosure have been described above by taking the condensing unit 100 as an example. It should be understood that the present disclosure is not limited thereto, and it may also be applied in other temperature regulation systems such as air conditioners or for heating, for example.
  • the technical solution according to the present disclosure makes it possible to predict the temperature adjustment effect of the temperature adjustment system, and by issuing an alarm in advance and displaying the prediction result, it is helpful for the user to timely discover the problems that may affect the adjustment effect in the temperature adjustment process and take remedial measures. measures to effectively avoid economic losses.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

A temperature regulating system (10) and a controller (120) thereof, a control method and a computer-readable medium. The temperature regulating system (10) comprises a condensing unit (100) and a temperature control region (110). The controller (120) comprises: an input module (121) that allows a user to set and input a target temperature (tset) for the temperature control region (110) by means of the input module (121); a monitoring module (123) that monitors in real time and records a temperature value (tn) in the temperature control region (110) and a time value (Tn) corresponding to the temperature value (tn); and an arithmetic module (125) that, on the basis of the recorded temperature value (tn) and the corresponding time value (Tn), calculates the calculation time in which the temperature control region (110) reaches the target temperature (tset), wherein the calculation time comprises a remaining time (Tr) and a total time (Tt). By means of employing different specific ways of calculating the calculation time in which the temperature control region (110) reaches the target temperature (tset), potential risks may be reliably predicted in advance so as to promptly take remedial action so as to reduce losses.

Description

温度调节系统及其控制器、控制方法和计算机可读介质Temperature regulating system and controller, control method and computer readable medium thereof
本申请要求以下中国专利申请的优先权:于2020年10月13日提交中国专利局的申请号为202011090250.0、发明创造名称为“温度调节系统及其控制器、控制方法和计算机可读介质”的中国专利申请。该专利申请的全部内容通过引用结合在本申请中。This application claims the priority of the following Chinese patent applications: the application number 202011090250.0 filed with the China Patent Office on October 13, 2020, and the invention-creation title is "temperature regulation system and its controller, control method and computer-readable medium". Chinese patent application. The entire contents of this patent application are incorporated herein by reference.
技术领域technical field
本公开涉及温度调节技术领域,更具体地,涉及用于温度调节系统的控制方法以及相关的计算机可读介质、控制器和温度调节系统。The present disclosure relates to the technical field of temperature regulation, and more particularly, to a control method for a temperature regulation system and a related computer-readable medium, a controller and a temperature regulation system.
背景技术Background technique
在一些产品(例如牛奶、经高温加工后的熟肉制品等)的生产制造及储运过程中,通常需要在短时间内通过制冷装置/冷凝机组(温度调节系统中的一类)进行急速降温,以使产品温度快速越过细菌容易繁殖的温度带,以减少细菌繁殖机会,从而延长储藏期并且保证食品的营养。因此,在制冷装置中,会预先根据被冷却物的性质以及相应的细菌繁殖特性确定目标冷却时间(通常为数分钟或数小时)和目标冷却温度。In the production, manufacture, storage and transportation of some products (such as milk, cooked meat products processed at high temperature, etc.), it is usually necessary to rapidly cool down in a short period of time by means of a refrigeration unit/condensing unit (a type of temperature adjustment system). , so that the temperature of the product quickly crosses the temperature zone where bacteria are easy to multiply, so as to reduce the chance of bacterial reproduction, thereby prolonging the storage period and ensuring the nutrition of the food. Therefore, in the refrigeration device, the target cooling time (usually several minutes or several hours) and the target cooling temperature are determined in advance according to the properties of the object to be cooled and the corresponding bacterial reproduction characteristics.
制冷装置中通常设置有温度保护预警系统以保证对产品的有效冷却,现有技术中多采用如下报警方式:预先设定目标温度和冷却至目标温度的目标时间,控制器监测温度并累计时间,当时间达到阈值(即,经过了目标时间)时,将检测到的温度与目标温度相比较,当检测到的温度达到或低于目标温度时不报警,而当检测到的温度高于目标温度时则发出警报。A temperature protection warning system is usually installed in the refrigeration device to ensure effective cooling of the product. In the prior art, the following alarm methods are often used: pre-setting the target temperature and the target time for cooling to the target temperature, the controller monitors the temperature and accumulates the time, When the time reaches the threshold (ie, the target time has elapsed), the detected temperature is compared with the target temperature, no alarm is given when the detected temperature is at or below the target temperature, and when the detected temperature is higher than the target temperature an alarm is issued.
因此,在现有的控制方式中,只能在达到设定的目标时间之后才能做出判断是否达到设定温度。当系统出现异常导致无法完成冷却效果时不能及时发出警报。这样,当报警发出时,产品温度未能达到目标温度,很可能已经造成了经济损失,在此之前,人们也无法预知是否能顺利完成降温或何时能达到目标温度。Therefore, in the existing control method, it can only be determined whether the set temperature is reached after the set target time is reached. When there is an abnormality in the system and the cooling effect cannot be completed, an alarm cannot be issued in time. In this way, when the alarm is issued, the product temperature fails to reach the target temperature, which may have caused economic losses. Before that, people cannot predict whether the cooling can be successfully completed or when the target temperature can be reached.
因此,发明人认为有必要对现有的制冷装置和控制方法进行改进。Therefore, the inventor believes that it is necessary to improve the existing refrigeration device and control method.
这里,需要说明的是,本部分的内容仅提供了与本公开相关的背景信息, 其并不必然构成现有技术。Here, it should be noted that the content in this section merely provides background information related to the present disclosure, and it does not necessarily constitute prior art.
发明内容SUMMARY OF THE INVENTION
在本部分中提供本公开的总概要,而不是本公开的完全范围或本公开所有特征的全面公开。A general summary of the disclosure is provided in this section, rather than a comprehensive disclosure of its full scope or all of its features.
针对现有技术的不足,存在对能够在达到目标时间之前可靠地提供预警保护的控制方法和/或控制装置的需求。In view of the deficiencies of the prior art, there is a need for a control method and/or a control device that can reliably provide early warning protection before the target time is reached.
本公开的一个目的是提供一种能够预测温度调节所需时间的控制方法或系统。An object of the present disclosure is to provide a control method or system capable of predicting the time required for temperature adjustment.
本公开的另一目的是提供一种能够向用户提供温度调节失败预警的控制方法或系统。Another object of the present disclosure is to provide a control method or system capable of providing a user with an early warning of temperature adjustment failure.
本公开的另一目的是提供一种时间反应快、提前发出警报、有效地避免经济损失的控制方法或系统。Another object of the present disclosure is to provide a control method or system that can respond quickly, issue an alarm in advance, and effectively avoid economic losses.
本公开的另一目的是提供一种能够进行修正和/或对数据进行预先处理从而提高预测准确性的控制方法或系统。Another object of the present disclosure is to provide a control method or system capable of correcting and/or pre-processing data to improve prediction accuracy.
本公开的另一目的是提供一种能够提供预测总时间和/或预测剩余时间作为参考的控制方法或系统。Another object of the present disclosure is to provide a control method or system capable of providing the predicted total time and/or the predicted remaining time as a reference.
为实现上述目的中的至少一个,根据本公开的第一方面,提供了一种用于控制温度调节系统的控制器。所述温度调节系统包括冷凝机组和温控区域。所述控制器包括:输入模块,所述输入模块允许用户经由所述输入模块设定并输入用于所述温控区域的目标温度;监测模块,所述监测模块实时监测并记录所述温控区域中的温度值和与该温度值对应的时间值;以及运算模块,所述运算模块基于所记录的温度值和对应的时间值计算所述温控区域达到所述目标温度的计算时间,其中,所述计算时间包括剩余时间和总时间,所述剩余时间为从当前时间点起至达到所述目标温度的时间,所述总时间为从所述温度调节系统开启的时间点起至达到所述目标温度的时间。这里,需要说明的是,在本文中,时间值可以是从温度调节系统开启的时间点起至进行某个温度测量的某个时间点止所经历的时间(时间长度,比如20分钟)。每个时间值对应于测量得到的一个温度值。此外,时间值也可以是当前时刻(比如几点几分几秒)。总之,只要是能够通过两个相邻的时间值计算出分别对温度进行测量的第n-1 个时间点与相邻的第n个时间点之间的时间差(即时长),以便利用时间差与温度差的比值来计算出计算时间即可。To achieve at least one of the above objects, according to a first aspect of the present disclosure, there is provided a controller for controlling a temperature regulation system. The temperature regulation system includes a condensing unit and a temperature control area. The controller includes: an input module that allows a user to set and input a target temperature for the temperature control area via the input module; a monitoring module that monitors and records the temperature control in real time a temperature value in the area and a time value corresponding to the temperature value; and an arithmetic module that calculates the calculation time for the temperature-controlled area to reach the target temperature based on the recorded temperature value and the corresponding time value, wherein , the calculation time includes the remaining time and the total time, the remaining time is the time from the current time point to reaching the target temperature, and the total time is from the time point when the temperature regulation system is turned on to reaching the target temperature time to describe the target temperature. Here, it should be noted that, in this paper, the time value may be the time (time length, such as 20 minutes) elapsed from the time point when the temperature regulation system is turned on to the time point when a certain temperature measurement is performed. Each time value corresponds to a measured temperature value. In addition, the time value can also be the current time (eg, what time, few minutes and seconds). In a word, as long as it is possible to calculate the time difference (i.e. length) between the n-1 th time point where the temperature is measured and the adjacent n th time point through two adjacent time values, in order to use the time difference and The calculation time can be calculated from the ratio of the temperature difference.
在上述控制器中,所述控制器还包括输出模块,所述输出模块向用户输出所述计算时间。In the above controller, the controller further includes an output module, and the output module outputs the calculation time to the user.
在上述控制器中,所述输出模块包括直观显示所述计算时间的显示界面。In the above controller, the output module includes a display interface for visually displaying the calculation time.
在上述控制器中,所述监测模块至少包括:计时器;以及传感器,所述传感器用于直接或间接地测量所述温控区域中的温度值。In the above controller, the monitoring module at least includes: a timer; and a sensor for directly or indirectly measuring the temperature value in the temperature control area.
在上述控制器中,所述输入模块还允许用户经由所述输入模块设定并输入从所述温度调节系统开启的时间点起至所述温控区域达到所述目标温度的目标时间,以及,所述控制器还包括报警模块,所述报警模块用于比较所述总时间与所述目标时间。In the above controller, the input module further allows the user to set and input the target time from the time when the temperature regulation system is turned on until the temperature control area reaches the target temperature via the input module, and, The controller also includes an alarm module for comparing the total time with the target time.
在上述控制器中,所述报警模块在所述总时间大于所述目标时间时发出警报指令。In the above controller, the alarm module issues an alarm instruction when the total time is greater than the target time.
为实现上述目的中的至少一个,根据本公开的第二方面,提供了一种温度调节系统。所述温度调节系统包括如上所述的控制器。To achieve at least one of the above objects, according to a second aspect of the present disclosure, there is provided a temperature regulation system. The temperature regulation system includes a controller as described above.
为实现上述目的中的至少一个,根据本公开的第三方面,提供了一种用于控制温度调节系统的控制方法。所述温度调节系统包括冷凝机组和温控区域。所述控制方法包括:预先设定用于所述温控区域的目标温度;实时监测并记录所述温控区域中的温度值并且记录与该温度值对应的时间值;以及,基于所记录的温度值和对应的时间值计算所述温控区域达到所述目标温度的计算时间,其中,所述计算时间包括剩余时间和总时间,所述剩余时间为从当前时间点起至达到所述目标温度的时间,所述总时间为从所述温度调节系统开启的时间点起至达到所述目标温度的时间。To achieve at least one of the above objects, according to a third aspect of the present disclosure, a control method for controlling a temperature regulation system is provided. The temperature regulation system includes a condensing unit and a temperature control area. The control method includes: presetting a target temperature for the temperature control area; monitoring and recording a temperature value in the temperature control area in real time and recording a time value corresponding to the temperature value; and, based on the recorded The temperature value and the corresponding time value calculate the calculation time for the temperature control area to reach the target temperature, wherein the calculation time includes the remaining time and the total time, and the remaining time is from the current time point to reaching the target. The time of the temperature, the total time is the time from the time when the temperature regulation system is turned on to the time when the target temperature is reached.
在上述控制方法中,所述控制方法还包括:预先设定从所述温度调节系统开启的时间点起至所述温控区域达到所述目标温度的目标时间,以及,比较所述总时间与所述目标时间,当所述总时间大于所述目标时间时发出警报,当所述总时间小于等于所述目标时间时不发出警报并且解除已发出的警报。In the above control method, the control method further comprises: presetting a target time from the time when the temperature adjustment system is turned on until the temperature control area reaches the target temperature, and comparing the total time with In the target time, an alarm is issued when the total time is greater than the target time, and when the total time is less than or equal to the target time, the alarm is not issued and the issued alarm is cancelled.
在上述控制方法中,所述控制方法还包括:在发出警报后,手动或自动地提高所述冷凝机组的容量输出。In the above control method, the control method further comprises: after an alarm is issued, manually or automatically increasing the capacity output of the condensing unit.
在上述控制方法中:In the above control method:
所述剩余时间通过下述等式计算得出:The remaining time is calculated by the following equation:
Figure PCTCN2020130364-appb-000001
Figure PCTCN2020130364-appb-000001
所述总时间通过下述等式计算得出:The total time is calculated by the following equation:
Figure PCTCN2020130364-appb-000002
Figure PCTCN2020130364-appb-000002
在等式中,In the equation,
T r指代所述剩余时间; Tr refers to the remaining time;
T t指代所述总时间; T t refers to said total time;
T n和T n-1分别指代从所述温度调节系统开启的时间点起至第n个和第n-1个时间点时所经历的时间值,其中n≥2; T n and T n-1 refer to the time values elapsed from the time point when the temperature regulation system is turned on to the nth and n-1th time points, respectively, wherein n≥2;
t n和t n-1分别指代在第n个和第n-1个时间点时监测并记录的温度值; t n and t n-1 refer to the temperature values monitored and recorded at the nth and n-1th time points, respectively;
t set为所述目标温度;以及 tset is the target temperature; and
k为修正系数。k is the correction coefficient.
在上述控制方法中:所述修正系数的值根据所述冷凝机组的工作状态、所述冷凝机组的规格型号、所述温度调节系统的已启动时间、所述温控区域的规格型号、和存储在所述温控区域中的物品的特性中的至少一者而设定;并且/或者,所述修正系数的值由用户根据经验手动设置或者通过预定程序自动设置。In the above control method: the value of the correction coefficient is based on the working state of the condensing unit, the specification and model of the condensing unit, the start-up time of the temperature adjustment system, the specification and model of the temperature control area, and storage and/or, the value of the correction coefficient is manually set by the user according to experience or automatically set through a predetermined program.
在上述控制方法中,所述修正系数的值在0.2ˉ5范围之内。In the above control method, the value of the correction coefficient is within the range of 0.2 to 5.
在上述控制方法中,所述控制方法还包括:向用户输出所述计算时间。In the above control method, the control method further comprises: outputting the calculation time to the user.
在上述控制方法中,用于计算所述计算时间的所述温度值在所述温度调节系统启动3至10分钟之后进行监测并记录,或者,用于计算所述计算时间的所述温度值在所述温度调节系统启动而使得所述温度调节系统的输出至所述温控区域的制冷能力稳定之后进行监测并记录。In the above control method, the temperature value used to calculate the calculation time is monitored and recorded 3 to 10 minutes after the temperature adjustment system is started, or the temperature value used to calculate the calculation time is Monitoring and recording is performed after the temperature adjustment system is activated to stabilize the cooling capacity of the temperature adjustment system output to the temperature control area.
在上述控制方法中,用于计算所述计算时间的所述温度值以预定时间间隔进行监测并记录。In the above control method, the temperature value used to calculate the calculation time is monitored and recorded at predetermined time intervals.
为实现上述目的中的至少一个,根据本公开的第四方面,提供了一种计算机可读介质。所述计算机可读介质存储有用于控制温度调节系统的程序。所述程序被执行时实现如上所述的控制方法中的步骤。To achieve at least one of the above objects, according to a fourth aspect of the present disclosure, a computer-readable medium is provided. The computer-readable medium stores a program for controlling the temperature regulation system. The program, when executed, implements the steps in the control method as described above.
相对于现有技术,根据本公开的技术方案具有下述优点中的至少一者:及时性,可以提前预测潜在风险,以允许及时采取补救措施从而减少损失;准确性,可以对数据进行预处理,同时提供修正参数,预测精确度高;可调性,可以提供修正系数,因此能够适应不同应用;以及预见性,可以向用户提供预测总时间和预测剩余时间以供参考。另外,与根据当前温度和时间来预测未来温度是否落入警报区域和非警报区域的相关方案相比,本公开通过对总时间和/或剩余时间进行预测、并且根据计算时间与目标时间的比较结果来做出是否提前发出警报的判定,而能够以独特并且可靠及有效的方式提前预测潜在风险。Compared with the prior art, the technical solution according to the present disclosure has at least one of the following advantages: timeliness, potential risks can be predicted in advance to allow timely remedial measures to reduce losses; accuracy, data can be preprocessed At the same time, it provides correction parameters, and the prediction accuracy is high; adjustability, which can provide correction coefficients, so it can adapt to different applications; and predictability, which can provide users with the total forecast time and forecast remaining time for reference. In addition, compared with the related scheme of predicting whether the future temperature falls within the alarm area and the non-alarm area according to the current temperature and time, the present disclosure predicts the total time and/or the remaining time, and compares the calculated time with the target time according to the As a result, a decision on whether to issue an early warning can be made, and potential risks can be predicted in advance in a unique and reliable and efficient way.
附图说明Description of drawings
通过以下参照附图的描述,本公开的一个或多个实施方式的特征和优点将变得更加容易理解,在附图中:The features and advantages of one or more embodiments of the present disclosure will become more readily understood from the following description with reference to the accompanying drawings, in which:
图1是根据本公开的实施方式的温度调节系统的组成示意图。FIG. 1 is a schematic composition diagram of a temperature regulation system according to an embodiment of the present disclosure.
图2是根据本公开的实施方式的控制方法的流程图。FIG. 2 is a flowchart of a control method according to an embodiment of the present disclosure.
图3是根据本公开的实施方式的温度曲线示意图。3 is a schematic diagram of a temperature profile according to an embodiment of the present disclosure.
具体实施方式Detailed ways
在下文中,将参照附图具体描述本公开的实施方式。然而,应当理解,本公开的范围不限于所具体描述的实施方式。Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. It should be understood, however, that the scope of the present disclosure is not limited to the embodiments specifically described.
图1示出了一种根据本公开的温度调节系统10的示例。该温度调节系统用于快速冷却物品(例如,需要快速冷却的食品)并且可以包括:冷凝机组100;至少包括容纳和储存待冷却物品并使物品降温至目标温度t set的温控区域110(例如,冷库或者液体储存罐);冷却管路101,冷却管路101中的冷却介质适于与冷凝机组的制冷回路中的工作流体进行换热,以为温控区域110提供冷却;以及控制温度调节系统10的运行的控制器120。 FIG. 1 shows an example of a temperature regulation system 10 in accordance with the present disclosure. The temperature regulation system is used to rapidly cool items (eg, foods that require rapid cooling) and may include: a condensing unit 100; at least a temperature-controlled area 110 (eg, a temperature control area 110 that accommodates and stores items to be cooled and cools the items to a target temperature tset ) , cold storage or liquid storage tank); cooling line 101, the cooling medium in the cooling line 101 is suitable for exchanging heat with the working fluid in the refrigeration circuit of the condensing unit to provide cooling for the temperature control area 110; and controlling the temperature adjustment system 10. Operation of the controller 120.
根据本公开的温度调节系统的控制器具有温度预警保护功能。下面将基于图1至图3描述控制器的组成和带有预警机制的控制方法。The controller of the temperature regulation system according to the present disclosure has a temperature warning protection function. The composition of the controller and the control method with the early warning mechanism will be described below based on FIGS. 1 to 3 .
控制器120包括:输入模块121,用户可以经由该输入模块121设定各种工作参数,其中包括用于温控区域110的目标温度t set以及使温控区域110的温度达到该目标温度t set的目标时间T set;监测模块123,该监测模块至少包括 计时器(未图示)和传感器124,该传感器能够监测并记录温控区域110中的温度值,其还可以将与监测到的温度值相关的数据输出;运算模块125,该运算模块可以从监测模块123获取计算用的数据以进行记算,其中包括基于与选定的时间点对应的时间值和温度值计算达到目标温度t set的计算时间;报警模块127,报警模块可以比较计算时间与目标时间T set,并且基于计算时间与目标时间T set的比对结果发出警报指令或者不发出警报指令及发出撤销警报指令;以及输出模块129,输出模块可以接收来自报警模块的指令并且基于该指令向用户输出报警信号,同时还可以输出反映系统运行状况的信息,其中包括由运算模块125计算出的计算时间。 The controller 120 includes: an input module 121 through which a user can set various operating parameters, including a target temperature t set for the temperature control area 110 and making the temperature of the temperature control area 110 reach the target temperature t set The target time Tset ; the monitoring module 123, the monitoring module includes at least a timer (not shown) and a sensor 124, the sensor can monitor and record the temperature value in the temperature control area 110, which can also be combined with the monitored temperature. Value-related data output; the arithmetic module 125, which can obtain data for calculation from the monitoring module 123 for calculation, including calculating the target temperature t set based on the time value and temperature value corresponding to the selected time point the calculation time; the alarm module 127, the alarm module can compare the calculation time and the target time Tset , and based on the comparison result of the calculation time and the target time Tset , issue an alarm instruction or not issue an alarm instruction and issue a cancel alarm instruction; and an output module 129 , the output module can receive an instruction from the alarm module and output an alarm signal to the user based on the instruction, and can also output information reflecting the operating status of the system, including the calculation time calculated by the operation module 125 .
在如图1所示的示例中,传感器124为设置在温控区域110的适当位置处的温度传感器,其能够直接测量温控区域110的温度。然而,该温度也可以以间接的方式测得,例如,考虑到温控区域110的温度和冷凝机组100的低压压力存在一定的线性关系,因此,如果冷凝机组100的低压压力达到设定值,则基本上意味着温控区域110也达到了目标温度t set。基于此原理,可以通过测量冷凝机组100中压缩机的低压压力的压力传感器来间接测量温控区域110中的温度。 In the example shown in FIG. 1 , the sensor 124 is a temperature sensor disposed at an appropriate position of the temperature control area 110 , which can directly measure the temperature of the temperature control area 110 . However, the temperature can also be measured in an indirect way. For example, considering that there is a certain linear relationship between the temperature of the temperature control area 110 and the low pressure of the condensing unit 100, if the low pressure of the condensing unit 100 reaches the set value, It basically means that the temperature control area 110 has also reached the target temperature t set . Based on this principle, the temperature in the temperature control area 110 can be indirectly measured by a pressure sensor that measures the low pressure pressure of the compressor in the condensing unit 100 .
考虑到冷凝机组100开启后需要建立高低压压差,容量输出通常不稳定,直到高低压压力稳定之后,制冷能力的输出才趋于稳定,因此,计算所用的时间点和温度值优选是在冷凝机组100运行预定时间、容量输出趋于稳定之后的阶段中选取。通常情况下,前述预定时间大约为2至5分钟,相应地,对温度值的第一次检测或者选取例如可以在冷凝机组开启(即温度调节系统10开启)3至10分钟以后进行,之后可以以预定时间间隔ΔT检测温度值或从实时测得的温度值中选取要用的值。在本文中,温度调节系统(即冷凝机组)的输出至温控区域的制冷能力稳定可以指这样的状态:制冷能力达到90%以上,系统高低压压力平稳(例如,与高低压压力对应的饱和温度的波动在正负0.5摄氏度/分钟以内)。Considering that the high and low pressure difference needs to be established after the condensing unit 100 is turned on, the capacity output is usually unstable, and the output of the refrigeration capacity does not tend to be stable until the high and low pressure pressures are stabilized. The unit 100 is selected from the stage after the unit 100 runs for a predetermined time and the capacity output becomes stable. Usually, the aforementioned predetermined time is about 2 to 5 minutes. Accordingly, the first detection or selection of the temperature value can be performed, for example, 3 to 10 minutes after the condensing unit is turned on (that is, the temperature adjustment system 10 is turned on), and then The temperature value is detected at a predetermined time interval ΔT or a value to be used is selected from the temperature values measured in real time. In this paper, the stable cooling capacity of the temperature regulation system (ie, the condensing unit) output to the temperature control area may refer to a state where the cooling capacity reaches more than 90%, and the high and low pressures of the system are stable (for example, the saturation corresponding to the high and low pressures The temperature fluctuates within plus or minus 0.5°C/min).
在实际操作中,计算获得的计算时间可以是从当前时间点起至达到目标温度t set的剩余时间T r,也可以是从温度调节系统开启的时间点起至达到目标温度(t set)的总时间(T t)。理论上,该总时间T t等于前述剩余时间T r与当前时间(即执行该计算时的时间)的和。计算方法可以采用任何合适的现有数学运 算方法。 In actual operation, the calculation time obtained by calculation may be the remaining time Tr from the current time point to reaching the target temperature tset , or may be the time from the time point when the temperature regulation system is turned on to reaching the target temperature ( tset ). Total time (T t ). In theory, this total time T t is equal to the sum of the aforementioned remaining time Tr and the current time ( ie , the time when the calculation is performed). The calculation method can use any suitable existing mathematical operation method.
以线性运算为例,剩余时间T r可以通过下述等式(1)计算得出: Taking the linear operation as an example, the remaining time Tr can be calculated by the following equation (1):
Figure PCTCN2020130364-appb-000003
Figure PCTCN2020130364-appb-000003
相应地,总时间T t可以通过下述公式(2)计算得出: Correspondingly, the total time T t can be calculated by the following formula (2):
Figure PCTCN2020130364-appb-000004
Figure PCTCN2020130364-appb-000004
在公式中,In the formula,
T n和T n-1分别指代从温度调节系统开启的时间点起至第n个和第n-1个时间点时所经历的时间值,其中n≥2; T n and T n-1 refer to the time values elapsed from the time point when the temperature regulation system is turned on to the nth and n-1th time points, respectively, where n≥2;
t n和t n-1分别指代在第n个和第n-1个时间点时监测并记录的温度值;以及 t n and t n-1 refer to the temperature values monitored and recorded at the nth and n-1th time points, respectively; and
k为修正系数。k is the correction coefficient.
因此,在通过上述线性等式(1)和(2)时,每次运算仅需要两组温度值和时间值,尽管在上述示例中,采用的是相邻的两组数值,然而根据需要,也可以采用不相邻的两组数值,例如,采用第n组和第n-3组温度值和时间值。Therefore, when passing through the above linear equations (1) and (2), only two sets of temperature values and time values are required for each operation. Although in the above example, two adjacent sets of values are used, however, as required, It is also possible to use two sets of values that are not adjacent, for example, the nth set and the n-3th set of temperature and time values.
在上述等式(1)和(2)中,修正系数的值可以根据所述冷凝机组100的工作状态(比如,压缩机的转速等)、冷凝机组100的规格型号(比如,压缩机的匹数)、温度调节系统10的已启动时间、温控区域110的规格型号(比如,温控区域的容积)、和存储在温控区域中的物品的特性(比如,物品的热容)中的至少一者而设定。此外,修正系数的值由用户根据经验手动设置或者通过预定程序自动设置。In the above equations (1) and (2), the value of the correction coefficient can be based on the working state of the condensing unit 100 (for example, the speed of the compressor, etc.), the specification and model of the condensing unit 100 (for example, the number), the time the temperature regulation system 10 has been activated, the size of the temperature-controlled zone 110 (eg, the volume of the temperature-controlled zone), and the properties of the items stored in the temperature-controlled zone (eg, the thermal capacity of the item) set at least one. In addition, the value of the correction coefficient is manually set by the user according to experience or automatically through a predetermined program.
此外,由于实际情况中温度随时间的变化是非线性的,因此,除了线性运算以外,也可以通过多项式曲线拟合、对数函数、指数函数和曲线回归分析等方式,针对不同的运算方式,每次可以也选取三组或者更多组温度值和时间值。In addition, since the change of temperature with time is non-linear in practice, in addition to linear operation, polynomial curve fitting, logarithmic function, exponential function and curve regression analysis can also be used for different operation methods. You can also select three or more sets of temperature and time values.
优选地,输出模块129包括比如液晶显示屏等显示界面,以向用户直观地显示计算出的总时间T t和剩余时间T r中的一者或两者,通过该显示界面,用户可以提前预知是否能够在目标时间T set内达到目标温度t set,也可以提前预知何时能达到目标温度t set,这将便于客户对系统运行状况的了解和掌控,以能够根据运行状况采取相应的措施。 Preferably, the output module 129 includes a display interface such as a liquid crystal display screen to visually display one or both of the calculated total time T t and remaining time T r to the user, through the display interface, the user can predict in advance Whether the target temperature t set can be reached within the target time T set can also be predicted in advance when the target temperature t set can be reached, which will facilitate the customer to understand and control the operating status of the system, so that corresponding measures can be taken according to the operating status.
报警模块127设置成当计算得出的总时间T t大于目标时间T set时发出警报指令,当计算得出的总时间T t小于等于目标时间T set时则不发出警报指令而是发出解除警报指令。当发出警报指令时,意味着在达到目标时间T set时,温控区域110中的温度不能达到目标温度t set,这时,用户可以选择增大冷凝机组的容量输出,增大容量输出可以由用户基于经验手动修改工作参数来实现,或者可以设定成使系统在发生警报时自动增大容量输出。然而,可以理解的是,在发出警报时用户可以选择解除警报而不采取任何措施。 The alarm module 127 is configured to issue an alarm instruction when the calculated total time T t is greater than the target time T set , and when the calculated total time T t is less than or equal to the target time T set , it will not issue an alarm instruction but issue an alarm cancellation. instruction. When an alarm command is issued, it means that the temperature in the temperature control area 110 cannot reach the target temperature tset when the target time Tset is reached. At this time, the user can choose to increase the capacity output of the condensing unit. This is done by the user manually modifying operating parameters based on experience, or can be set to automatically increase the volume output when an alarm occurs. However, it will be appreciated that the user may choose to dismiss the alarm without taking any action when the alarm is raised.
下面将借助图2和图3描述一种根据本公开的用于温度调节系统的控制方法的示例性实施方式。其中,图2示出了该示例性实施方式的控制方法的流程图,图3示出了该示例性实施方式的温度曲线示意图。An exemplary embodiment of a control method for a temperature regulation system according to the present disclosure will be described below with reference to FIGS. 2 and 3 . Wherein, FIG. 2 shows a flowchart of the control method of this exemplary embodiment, and FIG. 3 shows a schematic diagram of a temperature curve of this exemplary embodiment.
冷凝机组100开启,此时温控区域110(或者待冷却产品)的温度为初始温度t 0,计时器此时将同步开启并记录运行时间。在运行经过预定时间T p之后,冷凝机组100的容量输入已经基本稳定,可以立即或稍后开始进行第一次数值记录,即,记录时间点T 1和温控区域110中对应的温度值t 1,因此,T 1大于或等于T p。在冷凝机组100继续运行预定时间间隔ΔT之后,记录第二组时间点T 2和对应的温度值t 2When the condensing unit 100 is turned on, the temperature of the temperature control area 110 (or the product to be cooled) is the initial temperature t 0 , the timer will be turned on synchronously at this time and the running time will be recorded. After running for a predetermined time T p , the capacity input of the condensing unit 100 has basically stabilized, and the first number of value recordings can be started immediately or later, that is, the recording time point T 1 and the corresponding temperature value t in the temperature control area 110 1 , so T 1 is greater than or equal to T p . After the condensing unit 100 continues to operate for a predetermined time interval ΔT, a second set of time points T 2 and corresponding temperature values t 2 are recorded.
在此,假设采用前述等式(2)直接计算从初始温度t 0冷却至目标温度t set的理论总时间T t。当完成第二次数值记录之后,即可以将获得的两组数据代入到前述等式(2)中进行第一次总时间T t的计算,然后将T t的数值与目标时间T set的数值进行比较,当T t>T set时,报警模块127发出报警指令;相反,如果T t≤T set,则不采取任何措施。 Here, it is assumed that the theoretical total time T t for cooling from the initial temperature t 0 to the target temperature t set is directly calculated using the aforementioned equation (2). After the second time value recording is completed, the obtained two sets of data can be substituted into the aforementioned equation (2) to calculate the total time T t for the first time, and then the value of T t and the value of the target time T set By comparison, when T t >T set , the alarm module 127 issues an alarm command; on the contrary, if T t ≤ T set , no action is taken.
接下来,每隔预定时间间隔ΔT记录一组数据,并且每完成一次(第n次,n≥2)记录后,则将该次记录的时间点T n和温度值t n与前一次(第n-1次)记录的时间点T n-1和温度值t n-1代入前述等式(2)进行计算。 Next, a set of data is recorded every predetermined time interval ΔT, and after each recording (the nth time, n≥2) is completed, the time point Tn and temperature value tn recorded in this time are the same as those of the previous time (the nth time, n≥2). The time point T n-1 and the temperature value t n-1 recorded for n-1 times) are substituted into the aforementioned equation (2) for calculation.
可以理解的是,由于温度的下降与时间呈非线性关系,实际温度曲线的斜率是不断变化的,这将导致在不同时间点计算出来的计算时间也是不断变化的。因此在预测过程中,可能在报警状态和非报警状态之间切换,在已处于报警状态的情况下,当计算得出的总时间T t变为小于等于目标时间T set时,或者在测量得到的温度tx变得小于等于目标温度t set或机组停机的情况下,则可以解除之前的报警状态。 It can be understood that since the temperature drop has a non-linear relationship with time, the slope of the actual temperature curve is constantly changing, which will cause the calculation time calculated at different time points to be constantly changing. Therefore, in the prediction process, it is possible to switch between the alarm state and the non-alarm state. In the case of the alarm state, when the calculated total time T t becomes less than or equal to the target time T set , or when the measured When the temperature tx becomes less than or equal to the target temperature tset or the unit stops, the previous alarm state can be released.
以图3所示温度曲线为例,在完成第3组数据T 3和t 3的记录并进行计算之后,获得的总时间T t大于目标时间T set,这时,报警模块127将发出报警指令,以表明在目标时间T set之前可能无法实现温度降至目标温度t set以下,这时用户可以选择是否采取一些提高冷却效率的措施或手动解除警报。在接下来的数据记录和计算过程中,由于用户已获得报警提醒,因此可以适当采取措施增大冷却效率。例如,通过用户对冷凝机组100运行参数的调整,使得其容量输出增大,在时间点T n处计算得出的总时间T t小于或等于目标时间T set,从而可以解除先前的警报,并且最终实现在目标时间T set之前温度降低至目标温度t set以下,避免造成可能的经济损失。 Taking the temperature curve shown in FIG. 3 as an example, after completing the recording and calculation of the third group of data T3 and t3 , the obtained total time T t is greater than the target time T set , at this time, the alarm module 127 will issue an alarm command. , to indicate that the temperature may not be able to drop below the target temperature tset before the target time Tset , at which time the user can choose whether to take some measures to improve the cooling efficiency or manually dismiss the alarm. In the following data recording and calculation process, since the user has obtained an alarm reminder, appropriate measures can be taken to increase the cooling efficiency. For example, by adjusting the operating parameters of the condensing unit 100 by the user to increase its capacity output, the total time T t calculated at the time point T n is less than or equal to the target time T set , so that the previous alarm can be released, and Finally, the temperature is reduced to below the target temperature tset before the target time Tset , so as to avoid possible economic losses.
为进一步便于理解,下面将以用制冷系统冷却牛奶制品的具体应用场景来对上述控制方法进行解释。制造出的牛奶制品初始温度t 0为35℃,设定的目标温度t set为4℃,设定的目标时间T set为2小时。在制冷系统开启经过3分钟之后,制冷系统的容量输出基本稳定。在运行后的第4分钟,记录第一次温度值t 1=33.5℃,经过预定时间间隔1分钟之后,即在第5分钟,记录第二次温度值t 2=33.0℃,此时,设定的修正系数k的数值为1.5,将两次记录的时间点和温度值代入公式(1),即计算理论的剩余时间T rTo further facilitate understanding, the above control method will be explained below with a specific application scenario of cooling a milk product with a refrigeration system. The initial temperature t 0 of the manufactured milk product was 35° C., the set target temperature t set was 4° C., and the set target time T set was 2 hours. After the refrigeration system was turned on for 3 minutes, the capacity output of the refrigeration system was basically stable. In the 4th minute after the operation, record the first temperature value t 1 =33.5°C, after a predetermined time interval of 1 minute, that is, in the 5th minute, record the second temperature value t 2 =33.0°C, at this time, set The value of the fixed correction coefficient k is 1.5, and the time points and temperature values recorded twice are substituted into formula (1), that is, the theoretical remaining time Tr is calculated:
Figure PCTCN2020130364-appb-000005
Figure PCTCN2020130364-appb-000005
在计算出的剩余时间T r为87分钟的情况下,则理论上需要消耗的总时间T t为:87+5=92(分钟),92分钟小于120分钟(2小时),因此,系统不需要报警。所计算出的剩余时间T r和总时间T t均可以通过显示屏提供至用户。 In the case where the calculated remaining time Tr is 87 minutes, the total time T t that needs to be consumed in theory is: 87+5=92 (minutes), 92 minutes is less than 120 minutes (2 hours), therefore, the system does not Need to call the police. Both the calculated remaining time Tr and total time T t can be provided to the user through the display screen.
在这种线性计算方法中,k值的选取会明显影响预测结果的准确性。一般地,k值可以通过经验用反推法获得并且根据温度调节系统的工作状态而设定,特别地,数值大小可以随着温度曲线的斜率的变化而调整。一般而言,k值可以在范围0.2ˉ5之内调整。其数值的调整可以由操作者根据经验手动设置或者通过预定程序自动设置。在不同的应用中,k的值也可以作相应的调整。通过这种可调节的修正系数,使得计算出的结果将具有更高的准确性。In this linear calculation method, the selection of the k value will significantly affect the accuracy of the prediction results. Generally, the value of k can be obtained through empirical inference and set according to the working state of the temperature regulation system. In particular, the value of k can be adjusted with the change of the slope of the temperature curve. In general, the value of k can be adjusted within the range of 0.2 to 5. The adjustment of its value can be set manually by the operator based on experience or automatically through a predetermined program. In different applications, the value of k can also be adjusted accordingly. With this adjustable correction factor, the calculated results will have higher accuracy.
上文已以冷凝机组100为例描述了根据本公开的温度调节系统和控制方法的示例性实施方式。应当理解,本公开不限于此,其例如也可以应用于诸如空调或用于升温的其他温度调节系统中。根据本公开的技术方案使得可以预测 到温度调节系统的温度调节效果,并且通过提前发出警报以及显示预测结果,有助于用户及时发现在温度调节过程中可能存在的影响调节效果的问题以采取补救措施,从而有效避免经济损失。Exemplary embodiments of the temperature regulation system and control method according to the present disclosure have been described above by taking the condensing unit 100 as an example. It should be understood that the present disclosure is not limited thereto, and it may also be applied in other temperature regulation systems such as air conditioners or for heating, for example. The technical solution according to the present disclosure makes it possible to predict the temperature adjustment effect of the temperature adjustment system, and by issuing an alarm in advance and displaying the prediction result, it is helpful for the user to timely discover the problems that may affect the adjustment effect in the temperature adjustment process and take remedial measures. measures to effectively avoid economic losses.
本公开并不局限于这里详细描述和示出的具体实施方式,在不偏离本公开的实质和范围的情况下可由本领域的技术人员实现其它的变型和变体。所有这些变型和变体都落入本公开的范围内。而且,所有在此描述的元素或结构都可以由其他技术性上等同的元素或结构来代替。The present disclosure is not limited to the specific embodiments described and illustrated in detail herein, and other modifications and variations can be effected by those skilled in the art without departing from the spirit and scope of the present disclosure. All such modifications and variations fall within the scope of this disclosure. Furthermore, all elements or structures described herein may be replaced by other technically equivalent elements or structures.

Claims (17)

  1. 一种用于控制温度调节系统(10)的控制器(120),所述温度调节系统包括冷凝机组(100)和温控区域(110),所述控制器包括:A controller (120) for controlling a temperature regulation system (10), the temperature regulation system comprising a condensing unit (100) and a temperature control area (110), the controller comprising:
    输入模块(121),所述输入模块允许用户经由所述输入模块设定并输入用于所述温控区域(110)的目标温度(t set); an input module (121) that allows a user to set and input a target temperature (tset) for the temperature control zone (110) via the input module;
    监测模块(123),所述监测模块实时监测并记录所述温控区域(110)中的温度值(t n)和与该温度值对应的时间值(T n);以及 a monitoring module (123), which monitors and records in real time a temperature value (t n ) in the temperature control area ( 110 ) and a time value (T n ) corresponding to the temperature value; and
    运算模块(125),所述运算模块基于所记录的温度值和对应的时间值计算所述温控区域(110)达到所述目标温度(t set)的计算时间,其中,所述计算时间包括剩余时间(T r)和总时间(T t),所述剩余时间(T r)为从当前时间点起至达到所述目标温度(t set)的时间,所述总时间(T t)为从所述温度调节系统开启的时间点起至达到所述目标温度(t set)的时间。 an arithmetic module (125), the arithmetic module calculates the calculation time for the temperature control area (110) to reach the target temperature (t set ) based on the recorded temperature value and the corresponding time value, wherein the calculation time includes Remaining time (T r ) and total time (T t ), the remaining time (T r ) is the time from the current time point to reaching the target temperature (t set ), and the total time (T t ) is The time from the point in time when the temperature regulation system is turned on to when the target temperature (t set ) is reached.
  2. 根据权利要求1所述的控制器(120),其中,所述控制器还包括输出模块(129),所述输出模块向用户输出所述计算时间。The controller (120) of claim 1, wherein the controller further comprises an output module (129) that outputs the calculation time to a user.
  3. 根据权利要求2所述的控制器(120),其中,所述输出模块(129)包括直观显示所述计算时间的显示界面。The controller (120) of claim 2, wherein the output module (129) includes a display interface for visually displaying the calculation time.
  4. 根据权利要求1所述的控制器(120),其中,所述监测模块(123)至少包括:The controller (120) according to claim 1, wherein the monitoring module (123) comprises at least:
    计时器;以及a timer; and
    传感器(124),所述传感器用于直接或间接地测量所述温控区域(110)中的温度值。A sensor (124) for directly or indirectly measuring a temperature value in the temperature-controlled area (110).
  5. 根据权利要求1至4中任一项所述的控制器(120),其中:The controller (120) of any of claims 1 to 4, wherein:
    所述输入模块还允许用户经由所述输入模块设定并输入从所述温度调节系统开启的时间点起至所述温控区域(110)达到所述目标温度(t set)的目标时间(T set),以及 The input module also allows a user to set and input a target time (T) from the time the temperature regulation system is turned on until the temperature control area (110) reaches the target temperature (t set ) via the input module set ), and
    所述控制器还包括报警模块(127),所述报警模块用于比较所述总时间(T t)与所述目标时间(T set)。 The controller also includes an alarm module (127) for comparing the total time (T t ) with the target time (T set ).
  6. 根据权利要求5所述的控制器(120),其中,所述报警模块在所述总时间(T t)大于所述目标时间(T set)时发出警报指令。 The controller (120) of claim 5, wherein the alarm module issues an alarm instruction when the total time (T t ) is greater than the target time (T set ).
  7. 一种温度调节系统(10),其中,所述温度调节系统包括如权利要求1至6中任一项所述的控制器(120)。A temperature regulation system (10), wherein the temperature regulation system comprises a controller (120) as claimed in any one of claims 1 to 6.
  8. 一种用于控制温度调节系统(10)的控制方法,所述温度调节系统包括冷凝机组(100)和温控区域(110),所述控制方法包括:A control method for controlling a temperature adjustment system (10), the temperature adjustment system comprising a condensing unit (100) and a temperature control area (110), the control method comprising:
    预先设定用于所述温控区域(110)的目标温度(t set); pre-setting a target temperature (t set ) for the temperature control zone (110);
    实时监测并记录所述温控区域(110)中的温度值(t n)并且记录与该温度值对应的时间值(T n);以及 Monitoring and recording the temperature value (t n ) in the temperature control area (110) in real time and recording the time value (T n ) corresponding to the temperature value; and
    基于所记录的温度值和对应的时间值计算所述温控区域(110)达到所述目标温度(t set)的计算时间,其中,所述计算时间包括剩余时间(T r)和总时间(T t),所述剩余时间(T r)为从当前时间点起至达到所述目标温度(t set)的时间,所述总时间(T t)为从所述温度调节系统开启的时间点起至达到所述目标温度(t set)的时间。 The calculation time for the temperature control area (110) to reach the target temperature (t set ) is calculated based on the recorded temperature value and the corresponding time value, wherein the calculation time includes the remaining time (T r ) and the total time ( T t ), the remaining time (T r ) is the time from the current time point to reaching the target temperature (t set ), and the total time (T t ) is the time point from when the temperature regulation system is turned on from the time until the target temperature (t set ) is reached.
  9. 根据权利要求8所述的控制方法,其中,所述控制方法还包括:The control method according to claim 8, wherein the control method further comprises:
    预先设定从所述温度调节系统开启的时间点起至所述温控区域(110)达到所述目标温度(t set)的目标时间(T set),以及 pre-setting a target time (T set ) from a time point when the temperature regulation system is turned on until the temperature control area ( 110 ) reaches the target temperature (t set ), and
    比较所述总时间(T t)与所述目标时间(T set),当所述总时间(T t)大于所述目标时间(T set)时发出警报,当所述总时间(T t)小于等于所述目标时间(T set)时不发出警报并且解除已发出的警报。 Compare the total time (T t ) with the target time (T set ), issue an alarm when the total time (T t ) is greater than the target time (T set ), and issue an alarm when the total time (T t ) is greater than the target time (T set ) When the target time (T set ) is less than or equal to the target time (T set ), no alarm is issued and the issued alarm is released.
  10. 根据权利要求9所述的控制方法,其中,所述控制方法还包括:在发出警报后,手动或自动地提高所述冷凝机组(100)的容量输出。The control method according to claim 9, wherein the control method further comprises: after an alarm is issued, manually or automatically increasing the capacity output of the condensing unit (100).
  11. 根据权利要求8所述的控制方法,其中:The control method according to claim 8, wherein:
    所述剩余时间(T r)通过下述等式(1)计算得出: The remaining time (T r ) is calculated by the following equation (1):
    Figure PCTCN2020130364-appb-100001
    Figure PCTCN2020130364-appb-100001
    所述总时间(T t)通过下述等式(2)计算得出: The total time (T t ) is calculated by the following equation (2):
    Figure PCTCN2020130364-appb-100002
    Figure PCTCN2020130364-appb-100002
    在等式中,In the equation,
    T r指代所述剩余时间; Tr refers to the remaining time;
    T t指代所述总时间; T t refers to said total time;
    T n和T n-1分别指代从所述温度调节系统开启的时间点起至第n个和第n-1个时间点时所经历的时间值,其中n≥2; T n and T n-1 refer to the time values elapsed from the time point when the temperature regulation system is turned on to the nth and n-1th time points, respectively, wherein n≥2;
    t n和t n-1分别指代在第n个和第n-1个时间点时监测并记录的温度值; t n and t n-1 refer to the temperature values monitored and recorded at the nth and n-1th time points, respectively;
    t set为所述目标温度;以及 tset is the target temperature; and
    k为修正系数。k is the correction coefficient.
  12. 根据权利要求11所述的控制方法,其中:The control method according to claim 11, wherein:
    所述修正系数的值根据所述冷凝机组(100)的工作状态、所述冷凝机组(100)的规格型号、所述温度调节系统(10)的已启动时间、所述温控区域(110)的规格型号、和存储在所述温控区域中的物品的特性中的至少一者而设定;并且/或者The value of the correction coefficient is based on the working state of the condensing unit (100), the specification and model of the condensing unit (100), the start-up time of the temperature adjustment system (10), and the temperature control area (110) and/or
    所述修正系数的值由用户根据经验手动设置或者通过预定程序自动设置。The value of the correction coefficient is set manually by the user according to experience or automatically through a predetermined program.
  13. 根据权利要求11所述的控制方法,其中,所述修正系数的值在0.2-5范围之内。The control method according to claim 11, wherein the value of the correction coefficient is in the range of 0.2-5.
  14. 根据权利要求8至13中任一项所述的控制方法,其中,所述控制方法还包括:向用户输出所述计算时间。The control method according to any one of claims 8 to 13, wherein the control method further comprises: outputting the calculation time to a user.
  15. 根据权利要求8至13中任一项所述的控制方法,其中,用于计算所 述计算时间的所述温度值在所述温度调节系统(10)启动3至10分钟之后进行监测并记录,或者,用于计算所述计算时间的所述温度值在所述温度调节系统(10)启动而使得所述温度调节系统的输出至所述温控区域的制冷能力稳定之后进行监测并记录。The control method according to any one of claims 8 to 13, wherein the temperature value used to calculate the calculation time is monitored and recorded 3 to 10 minutes after the temperature adjustment system (10) is started, Alternatively, the temperature value used to calculate the calculation time is monitored and recorded after the temperature adjustment system (10) is activated to stabilize the cooling capacity of the temperature adjustment system output to the temperature control area.
  16. 根据权利要求8至13中任一项所述的控制方法,其中,用于计算所述计算时间的所述温度值以预定时间间隔(ΔT)进行监测并记录。The control method according to any one of claims 8 to 13, wherein the temperature value used to calculate the calculation time is monitored and recorded at predetermined time intervals (ΔT).
  17. 一种计算机可读介质,所述计算机可读介质存储有用于控制温度调节系统(10)的程序,其中,所述程序被执行时实现如权利要求8至13中任一项所述的控制方法中的步骤。A computer-readable medium storing a program for controlling a temperature regulation system (10), wherein the program, when executed, implements the control method according to any one of claims 8 to 13 steps in .
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