CN114061253B - Control Method of Single System Refrigerator - Google Patents
Control Method of Single System Refrigerator Download PDFInfo
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- CN114061253B CN114061253B CN202010774231.3A CN202010774231A CN114061253B CN 114061253 B CN114061253 B CN 114061253B CN 202010774231 A CN202010774231 A CN 202010774231A CN 114061253 B CN114061253 B CN 114061253B
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- 238000010438 heat treatment Methods 0.000 abstract description 14
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- 238000001816 cooling Methods 0.000 description 20
- 238000005057 refrigeration Methods 0.000 description 19
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/02—Timing
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Abstract
Description
技术领域technical field
本发明涉及冰箱制冷技术,尤其涉及一种单系统冰箱的控制方法。The invention relates to refrigerator refrigeration technology, in particular to a control method for a single-system refrigerator.
背景技术Background technique
单系统冰箱通过一套制冷系统同时给冷藏室和冷冻室提供冷量。目前单系统冰箱中,制冷系统中压缩机的开停通常受冷藏室温度的控制,当冰箱所处环境温度较低,例如冬天室温很低有时候会接近0摄氏度,为了避免因室温过低引起的冷藏室温度过低而达不到开机点温度,造成冷冻室的温度过高引起食物变质的问题,一般都会在冷藏室增加加热丝,通过加热丝对冷藏室进行加热从而提高冷藏室温度以达到开机点温度。但是,此种控制方法有以下几点弊端:1.采用加热丝增加成本,2加热丝可能引起火灾,增加安全隐患;3.加热丝加热,增加电损耗。Single-system refrigerators provide cooling capacity to the refrigerator and freezer at the same time through a set of refrigeration systems. At present, in single-system refrigerators, the start and stop of the compressor in the refrigeration system is usually controlled by the temperature of the refrigerator room. The refrigerating room is too low to reach the temperature of the starting point, causing the temperature of the refrigerating room to be too high and causing food deterioration. Generally, heating wires are added in the refrigerating room, and the refrigerating room is heated by the heating wire to increase the temperature of the refrigerating room. Reach the start-up point temperature. However, this control method has the following disadvantages: 1. The use of heating wires increases costs, 2. Heating wires may cause fires and increase potential safety hazards; 3. Heating wires heat and increase power loss.
有鉴于此,有必要提供一种新的单系统冰箱的控制方法,以解决上述问题。In view of this, it is necessary to provide a new control method for a single-system refrigerator to solve the above problems.
发明内容Contents of the invention
本发明旨在至少解决现有技术存在的技术问题之一,从而提供一种单系统冰箱的控制方法。The present invention aims to solve at least one of the technical problems in the prior art, thereby providing a control method for a single-system refrigerator.
为实现上述发明目的之一,本发明采用如下技术方案:For realizing one of above-mentioned object of the invention, the present invention adopts following technical scheme:
一种单系统冰箱的控制方法,其特征在于,包括如下步骤:A method for controlling a single-system refrigerator, comprising the following steps:
S1获取冰箱所处环境的环境温度Tc,获取冰箱的运行时间;S1 obtains the ambient temperature Tc of the environment where the refrigerator is located, and obtains the running time of the refrigerator;
S2根据环境温度和运行时间控制制冷系统的工作状态。S2 controls the working state of the refrigeration system according to the ambient temperature and running time.
进一步地,步骤S2包括如下步骤:S21判断环境温度是否≥T1,若是,则开机后进入步骤S22;若否,则开机后进入步骤S23;S22判断冰箱单次运行时间是否≥a1*(Kl*Tc/b),若是,则停机;若否则继续运行步骤S22;S23判断冰箱单次运行时间是否≥a2*(Kl*Tc/b),若是,则停机;若否则继续运行步骤S23;其中,a1、a2和b为比例系数,且a1>a2,Kl为冰箱容积,Tc为环境温度。Further, step S2 includes the following steps: S21 judges whether the ambient temperature ≥ T1, if so, then enter step S22 after starting up; if not, then enter step S23 after starting up; S22 judges whether the single operation time of the refrigerator is ≥a1*(Kl* Tc/b), if so, then shut down; If otherwise, continue to run step S22; S23 judges whether the single running time of the refrigerator is more than or equal to a2*(Kl*Tc/b), if so, shut down; if otherwise, continue to run step S23; wherein, a1, a2 and b are proportional coefficients, and a1>a2, Kl is the volume of the refrigerator, and Tc is the ambient temperature.
进一步地,步骤S2还包括:位于步骤S22之后的步骤S22’:判断冰箱单次停机时间是否≥c1*(Kl*Tc/b);若是,则返回步骤S1;若否则继续运行步骤S22’;位于步骤S23之后的步骤S23’:判断冰箱单次停机时间是否≥c2*(Kl*Tc/b);若是,则返回步骤S1;若否则继续运行步骤S23’;其中,c1和c2均为系数,且c1<c2;Kl为冰箱容积,Tc为环境温度。Further, step S2 also includes: step S22' after step S22: judging whether the single shutdown time of the refrigerator is ≥ c1*(Kl*Tc/b); if so, return to step S1; otherwise, continue to run step S22'; Step S23' after step S23: determine whether the single downtime of the refrigerator is ≥ c2*(Kl*Tc/b); if so, return to step S1; otherwise, continue to run step S23'; where c1 and c2 are coefficients , and c1<c2; Kl is the volume of the refrigerator, and Tc is the ambient temperature.
进一步地,步骤S2包括如下步骤:S24判断环境温度是否≥T2,T2大于T1;若是,则开机后进入步骤S25;若否,则进入步骤S21;S25判断冰箱单次运行时间是否≥a3*(Kl*Tc/b),若是,则停机;若否则继续运行步骤S25;其中,a3为比例系数,且a3>a1,Kl为冰箱容积,Tc为环境温度。Further, step S2 includes the following steps: S24 judges whether the ambient temperature is greater than or equal to T2, and T2 is greater than T1; if so, then proceeds to step S25 after starting up; if not, proceeds to step S21; S25 judges whether the single operation time of the refrigerator is greater than or equal to a3*( Kl*Tc/b), if yes, then shut down; otherwise, continue to run step S25; wherein, a3 is a proportional coefficient, and a3>a1, Kl is the volume of the refrigerator, and Tc is the ambient temperature.
进一步地,步骤S2还包括:位于步骤S22之后的步骤S22’:判断冰箱单次停机时间是否≥c1*(Kl*Tc/b);若是,则返回步骤S1;若否则继续运行步骤S22’;位于步骤S23之后的步骤S23’:判断冰箱单次停机时间是否≥c2*(Kl*Tc/b);若是,则返回步骤S1;若否则继续运行步骤S23’;位于步骤S25之后的S25’,判断冰箱单次停机时间是否≥c3*(Kl*Tc/b);若是,则返回步骤S1;若否则继续运行步骤S25’;其中,c1、c2和c3均为系数,且c3<c1<c2;Kl为冰箱容积,Tc为环境温度。Further, step S2 also includes: step S22' after step S22: judging whether the single shutdown time of the refrigerator is ≥ c1*(Kl*Tc/b); if so, return to step S1; otherwise, continue to run step S22'; Step S23' after step S23: determine whether the single shutdown time of the refrigerator is ≥ c2*(Kl*Tc/b); if so, return to step S1; otherwise continue to run step S23'; be positioned at S25' after step S25, Determine whether the single shutdown time of the refrigerator is ≥ c3*(Kl*Tc/b); if yes, return to step S1; otherwise, continue to run step S25'; where c1, c2 and c3 are coefficients, and c3<c1<c2 ; Kl is the volume of the refrigerator, Tc is the ambient temperature.
进一步地,T1介于1℃~3℃,T2介于8℃~12℃。Further, T1 is between 1°C and 3°C, and T2 is between 8°C and 12°C.
进一步地,步骤S2包括如下步骤:S2a判断环境温度是否≥Ta,若是,则进入步骤S2b;若否,则进入步骤S2c;S2b判断冰箱总运行时间是否≥x1*(Kl*Tc/y),若是,则进入步骤S2d;若否则压缩机以H1频率运行;S2c判断冰箱总运行时间是否≥x2*(Kl*Tc/y),若是,则进入步骤S2e;若否则压缩机以H2频率运行;S2d判断冰箱总运行时间是否≥x3*(Kl*Tc/y),若是,则压缩机以H3频率运行;若否,则压缩机以H4频率运行;S2e判断冰箱总运行时间是否≥x4*(Kl*Tc/y),若是,则压缩机以H5频率运行;若否,则压缩机以H6频率运行;其中,x1、x2、x3、x4和y均为比例系数,且x1>x2,x3>x4,x3>x1,x4>x2,Kl为冰箱容积,Tc为环境温度,H1>H2,H3>H5,H4>H6,H1>H4>H3,H2>H6>H5。Further, step S2 includes the following steps: S2a judges whether the ambient temperature ≥ Ta, if so, then enters step S2b; if not, then enters step S2c; S2b determines whether the total running time of the refrigerator is ≥x1*(Kl*Tc/y), If yes, then enter step S2d; if otherwise, the compressor operates at H1 frequency; S2c judges whether the total operating time of the refrigerator is ≥ x2*(Kl*Tc/y), if so, enters step S2e; otherwise, the compressor operates at H2 frequency; S2d judges whether the total running time of the refrigerator is ≥x3*(Kl*Tc/y), if yes, the compressor runs at H3 frequency; if not, the compressor runs at H4 frequency; S2e judges whether the total running time of the refrigerator is ≥x4*( Kl*Tc/y), if yes, the compressor runs at H5 frequency; if not, the compressor runs at H6 frequency; among them, x1, x2, x3, x4 and y are proportional coefficients, and x1>x2, x3 >x4, x3>x1, x4>x2, Kl is refrigerator capacity, Tc is ambient temperature, H1>H2, H3>H5, H4>H6, H1>H4>H3, H2>H6>H5.
进一步地,步骤S2还包括如下步骤:压缩机运行过程中,判断冰箱单次运行时间是否大于(Kl*Tc/y),若是则返回步骤S1,若否则压缩机继续以当前频率运行。Further, step S2 also includes the following steps: during the operation of the compressor, determine whether the single operation time of the refrigerator is greater than (Kl*Tc/y), if so, return to step S1, otherwise, the compressor continues to operate at the current frequency.
进一步地,步骤S2还包括如下步骤:S2f判断环境温度是否≥Tb,Tb大于Ta;若是,则进入步骤S2g;若否,则进入步骤S2a;S2g判断冰箱总运行时间是否≥x5*(Kl*Tc/y),若是,则进入步骤S2h;若否则压缩机以H7频率运行;S2h判断冰箱总运行时间是否≥x6*(Kl*Tc/y),若是,则压缩机以H8频率运行;若否,则压缩机以H9频率运行;其中,x5、x6和y均为比例系数,且x6>x5,x5>x1,x6>x3,Kl为冰箱容积,Tc为环境温度,H8<H9<H7,H8>H3,H9>H4,H7>H1。Further, step S2 also includes the following steps: S2f judges whether the ambient temperature ≥ Tb, Tb is greater than Ta; if so, then enters step S2g; if not, then enters step S2a; S2g judges whether the total running time of the refrigerator is ≥x5*(Kl* Tc/y), if so, then enter step S2h; if otherwise, the compressor runs at H7 frequency; S2h judges whether the total running time of the refrigerator is ≥ x6*(Kl*Tc/y), if so, then the compressor runs at H8 frequency; if No, the compressor runs at H9 frequency; among them, x5, x6 and y are proportional coefficients, and x6>x5, x5>x1, x6>x3, Kl is the volume of the refrigerator, Tc is the ambient temperature, H8<H9<H7 , H8>H3, H9>H4, H7>H1.
进一步地,Ta介于1℃~3℃,Tb介于8℃~12℃。Further, Ta is between 1°C and 3°C, and Tb is between 8°C and 12°C.
本发明的有益效果是:本发明的冰箱的控制方法,制冷系统的工作状态不再受冷藏温度的控制,并且不需要增加冷藏加热丝,而是会根据环境温度和运行时间来进行自动控制,此冰箱的控制方法不仅能有效制冷,还能实现节能降成本,减少安全隐患。The beneficial effects of the present invention are: the refrigerator control method of the present invention, the working state of the refrigeration system is no longer controlled by the refrigeration temperature, and there is no need to add refrigeration heating wires, but it will be automatically controlled according to the ambient temperature and operating time, The control method of the refrigerator can not only effectively refrigerate, but also realize energy saving and cost reduction, and reduce potential safety hazards.
附图说明Description of drawings
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,还可以根据提供的附图获得其他的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings on the premise of not paying creative efforts.
图1为本发明一较佳实施例中的冰箱的控制方法流程图;Fig. 1 is a flowchart of a control method of a refrigerator in a preferred embodiment of the present invention;
图2为本发明一具体实施例的冰箱的控制方法流程图;Fig. 2 is a flowchart of a control method of a refrigerator according to a specific embodiment of the present invention;
图3本发明另一较佳实施例的冰箱的控制方法流程图;FIG. 3 is a flowchart of a control method of a refrigerator in another preferred embodiment of the present invention;
图4是本发明另一较佳实施例的冰箱的控制方法流程图;Fig. 4 is a flowchart of a control method of a refrigerator according to another preferred embodiment of the present invention;
图5是本发明另一较佳实施例的冰箱的控制方法流程图;Fig. 5 is a flowchart of a control method of a refrigerator according to another preferred embodiment of the present invention;
图6是本发明另一较佳实施例的冰箱的控制方法流程图。Fig. 6 is a flowchart of a control method of a refrigerator according to another preferred embodiment of the present invention.
具体实施方式Detailed ways
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做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。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
请参阅图1~图6所示,为本发明较佳实施例的冰箱的控制方法,包括如下步骤:S1获取冰箱所处环境的环境温度Tc,获取冰箱的运行时间;S2根据环境温度和运行时间控制制冷系统的工作状态。该控制方法中,制冷系统的启停不再受冷藏温度的控制,并且不需要增加冷藏加热丝,而是会根据环境温度和运行时间来进行自动控制,此冰箱的控制方法不仅能有效制冷,还能实现节能降成本,减少安全隐患。Please refer to Figures 1 to 6, which are the control method of the refrigerator according to the preferred embodiment of the present invention, including the following steps: S1 obtains the ambient temperature Tc of the environment where the refrigerator is located, and obtains the running time of the refrigerator; S2 according to the ambient temperature and the operating time Time controls the working state of the refrigeration system. In this control method, the start and stop of the refrigeration system is no longer controlled by the refrigeration temperature, and there is no need to add refrigeration heating wires, but it will be automatically controlled according to the ambient temperature and operating time. This refrigerator control method can not only effectively refrigerate, It can also save energy and reduce costs, and reduce potential safety hazards.
发明人在研究中发现,冰箱容积Kl的大小决定食物存放量大小,食物存放量大小决定食物温度冷却率d/dt;冰箱容积Kl越大,食物存放量也就越大,食物温度冷却率d/dt却越小。The inventor found in the research that the size of the refrigerator volume Kl determines the size of the food storage, and the size of the food storage determines the food temperature cooling rate d/dt; the larger the refrigerator volume Kl, the greater the food storage capacity, and the food temperature cooling rate d/dt /dt is smaller.
环境温度Tc大小决定冰箱热交换速度,冰箱热交换速度决定食物温度冷却率d/dt,也就是说环境温度Tc越大,冰箱热交换速度越慢,食物温度冷却率d/dt却越小。The ambient temperature Tc determines the heat exchange rate of the refrigerator, and the heat exchange rate of the refrigerator determines the food temperature cooling rate d/dt, that is to say, the higher the ambient temperature Tc, the slower the refrigerator heat exchange rate, but the smaller the food temperature cooling rate d/dt.
冰箱容积Kl与环境温度Tc为逻辑“与”关系,其中任何一方的变动都能影响交流压缩机、直流压缩机的控制方法。因此,步骤S2基于冰箱的容积Kl,通过检测环境温度和冰箱运行时间对压缩机的运行进行控制。The volume Kl of the refrigerator and the ambient temperature Tc are in a logical "AND" relationship, and changes in any one of them can affect the control methods of the AC compressor and the DC compressor. Therefore, step S2 controls the operation of the compressor by detecting the ambient temperature and the running time of the refrigerator based on the volume K1 of the refrigerator.
请参阅图1~图3所示,当制冷系统中的压缩机为交流压缩机时,步骤S2包括如下步骤:Please refer to Figures 1 to 3, when the compressor in the refrigeration system is an AC compressor, step S2 includes the following steps:
S21判断环境温度是否≥T1,若是,则开机后进入步骤S22;若否,则开机后进入步骤S23;本领域技术人员可以理解的是,此处以及本文后续提及的“开机”指的是启动压缩机。S21 judges whether the ambient temperature is greater than or equal to T1, if so, enter step S22 after starting up; Start the compressor.
S22判断冰箱单次运行时间是否≥a1*(Kl*Tc/b),若是,则停机;若否则继续运行步骤S22;本领域技术人员可以理解的是,此处以及本文后续提及的“停机”指的是关闭压缩机,制冷系统不再工作。S22 judges whether the single running time of the refrigerator is more than or equal to a1*(Kl*Tc/b), if so, then shut down; if otherwise, continue to run step S22; those skilled in the art can understand that here and the "shutdown" mentioned later in this paper ” refers to turning off the compressor and the refrigeration system is no longer working.
S23判断冰箱单次运行时间是否≥a2*(Kl*Tc/b),若是,则停机;若否则继续运行步骤S23;其中,a1、a2和b为比例系数,且a1>a2,Kl为冰箱容积,Tc为环境温度。S23 judges whether the single running time of the refrigerator is ≥a2*(Kl*Tc/b), if so, then shut down; otherwise, continue to run step S23; wherein, a1, a2 and b are proportional coefficients, and a1>a2, Kl is the refrigerator Volume, Tc is ambient temperature.
该方法通过冰箱的容积、环境温度综合考虑冰箱的整体热负荷,冰箱的运行时间以a*(Kl*Tc/b)为参考,更能够精确且合理地控制冰箱的温度;其中,在不同的步骤中,系数a以a1,a2……an表示,n为大于1的自然数。This method comprehensively considers the overall heat load of the refrigerator through the volume of the refrigerator and the ambient temperature, and the running time of the refrigerator is based on a*(Kl*Tc/b) as a reference, so that the temperature of the refrigerator can be controlled more accurately and reasonably; among them, in different In the step, the coefficient a is represented by a1, a2...an, and n is a natural number greater than 1.
进一步地,步骤S2还包括:位于步骤S22之后的步骤S22’:判断冰箱单次停机时间是否≥c1*(Kl*Tc/b);若是,则返回步骤S1;若否则继续运行步骤S22’;位于步骤S23之后的步骤S23’:判断冰箱单次停机时间是否≥c2*(Kl*Tc/b);若是,则返回步骤S1;若否则继续运行步骤S23’;其中,c1和c2均为系数,且c2>c1;Kl为冰箱容积,Tc为环境温度。Further, step S2 also includes: step S22' after step S22: judging whether the single shutdown time of the refrigerator is ≥ c1*(Kl*Tc/b); if so, return to step S1; otherwise, continue to run step S22'; Step S23' after step S23: determine whether the single downtime of the refrigerator is ≥ c2*(Kl*Tc/b); if so, return to step S1; otherwise, continue to run step S23'; where c1 and c2 are coefficients , and c2>c1; Kl is the volume of the refrigerator, and Tc is the ambient temperature.
该方法通过冰箱的容积、环境温度综合考虑冰箱的整体热负荷,冰箱的停机时间以c*(Kl*Tc/b)为参考,更能够精确且合理地控制冰箱的温度。其中,在不同的步骤中,系数c以c1,c2……cn表示,n为大于1的自然数。This method comprehensively considers the overall heat load of the refrigerator through the volume of the refrigerator and the ambient temperature, and takes c*(Kl*Tc/b) as a reference for the downtime of the refrigerator, so that the temperature of the refrigerator can be controlled more accurately and reasonably. Wherein, in different steps, the coefficient c is represented by c1, c2...cn, and n is a natural number greater than 1.
进一步地,步骤S2还包括:S24判断环境温度是否≥T2,T2大于T1;若是,则开机并进入步骤S25;若否,则进入步骤S21;S25判断冰箱单次运行时间是否≥a3*(Kl*Tc/b),若是,则停机;若否则继续运行步骤S25;其中,a3为比例系数,且a3>a1,Kl为冰箱容积,Tc为环境温度。Further, step S2 also includes: S24 judging whether the ambient temperature ≥ T2, T2 is greater than T1; if so, then start the machine and enter step S25; if not, then enter step S21; S25 judge whether the single operation time of the refrigerator is ≥ a3*(Kl *Tc/b), if yes, then shut down; otherwise, continue to run step S25; wherein, a3 is the proportional coefficient, and a3>a1, Kl is the volume of the refrigerator, and Tc is the ambient temperature.
进一步地,步骤S2还包括:位于步骤S25之后的S25’,判断冰箱单次停机时间是否≥c3*(Kl*Tc/b);若是,则返回步骤S1;若否则继续运行步骤S25’;其中,c1、c2和c3均为系数,且c3<c1<c2;Kl为冰箱容积,Tc为环境温度。Further, step S2 also includes: S25' after step S25, judging whether the single shutdown time of the refrigerator is ≥ c3*(Kl*Tc/b); if so, return to step S1; otherwise, continue to run step S25'; wherein , c1, c2 and c3 are coefficients, and c3<c1<c2; Kl is the volume of the refrigerator, and Tc is the ambient temperature.
该方法中,环境温度越低,压缩机单次运行的时间越短,单次停机的时间越长,依此实现对比冰箱的温度控制。In this method, the lower the ambient temperature is, the shorter the single running time of the compressor is, and the longer the single downtime of the compressor is, so as to realize the temperature control compared with the refrigerator.
本发明将冰箱所处的环境分为多个温度区间,且根据不同的环境温度设置相应的系数。一具体实施例中,请参考图2所示,T1介于1℃~3℃,T2介于8℃~12℃;在低温下不依赖于加热丝仍然能有效地控制冰箱的运行。The invention divides the environment where the refrigerator is located into multiple temperature ranges, and sets corresponding coefficients according to different ambient temperatures. In a specific embodiment, please refer to FIG. 2 , T1 is between 1° C. and 3° C., and T2 is between 8° C. and 12° C.; at low temperatures, the operation of the refrigerator can be effectively controlled without relying on the heating wire.
相邻的两个温度区间之间的控制方法与上述T1和T2温度下的控制方法相类似,根据实际情况b=100,系数a,c会根据所处环境温度做相应的调整。具体参考如下:The control method between two adjacent temperature ranges is similar to the control method at the above T1 and T2 temperatures. According to the actual situation, b=100, and the coefficients a and c will be adjusted accordingly according to the ambient temperature. The specific reference is as follows:
当Tc≥20℃,a介于1.0~1.2之间,当冰箱单次运行时间小于A*(Kl*Tc/100)时,冰箱不能快速地达到制冷效果;当冰箱单次运行时间大于1.2A*(Kl*Tc/100)时冰箱节能效果差。c介于0.3~0.4之间,当冰箱单次停机时间小于0.3A*(Kl*Tc/100)时,冰箱节能效果差;当冰箱单次停机时间大于0.4A*(Kl*Tc/b)时冰箱不能快速地达到制冷效果。When Tc≥20°C and a is between 1.0 and 1.2, when the single running time of the refrigerator is less than A*(Kl*Tc/100), the refrigerator cannot quickly achieve the cooling effect; when the single running time of the refrigerator is greater than 1.2A *(Kl*Tc/100) the energy-saving effect of the refrigerator is poor. c is between 0.3 and 0.4. When the single downtime of the refrigerator is less than 0.3A*(Kl*Tc/100), the energy-saving effect of the refrigerator is poor; when the single downtime of the refrigerator is greater than 0.4A*(Kl*Tc/b) At this time, the refrigerator cannot achieve the cooling effect quickly.
当Tc≥10℃<20℃,a介于0.7~0.9,当冰箱单次运行时间小于0.7*(Kl*Tc/100)时,冰箱不能快速地达到制冷效果;当冰箱单次运行时间大于0.9*(Kl*Tc/100)时冰箱节能效果差。c介于0.5~0.7,当冰箱单次停机时间小于0.5(Kl*Tc/100)时,冰箱节能效果差;当冰箱单次停机时间大于0.7(Kl*Tc/100)时冰箱不能快速地达到制冷效果。When Tc≥10°C<20°C, and a is between 0.7 and 0.9, when the single running time of the refrigerator is less than 0.7*(Kl*Tc/100), the refrigerator cannot quickly achieve the cooling effect; when the single running time of the refrigerator is greater than 0.9 *(Kl*Tc/100) the energy-saving effect of the refrigerator is poor. c ranges from 0.5 to 0.7. When the single downtime of the refrigerator is less than 0.5 (Kl*Tc/100), the energy-saving effect of the refrigerator is poor; when the single downtime of the refrigerator is greater than 0.7 (Kl*Tc/100), the refrigerator cannot quickly achieve Cooling effect.
当Tc≥3℃<10℃,a介于0.5~0.6,当冰箱单次运行时间小于0.5(Kl*Tc/100)时,冰箱不能快速地达到制冷效果;当冰箱单次运行时间大于0.6(Kl*Tc/100)时冰箱节能效果差。c介于1.0~1.5,当冰箱单次停机时间小于(Kl*Tc/100)时,冰箱节能效果差;当冰箱单次停机时间大于1.5(Kl*Tc/100)时冰箱不能快速地达到制冷效果。When Tc≥3°C<10°C, and a is between 0.5 and 0.6, when the single running time of the refrigerator is less than 0.5(Kl*Tc/100), the refrigerator cannot quickly achieve the cooling effect; when the single running time of the refrigerator is greater than 0.6( Kl*Tc/100) refrigerator energy saving effect is poor. c ranges from 1.0 to 1.5. When the single downtime of the refrigerator is less than (Kl*Tc/100), the energy-saving effect of the refrigerator is poor; when the single downtime of the refrigerator is greater than 1.5 (Kl*Tc/100), the refrigerator cannot quickly achieve refrigeration Effect.
当Tc<3℃时,a介于0.2~0.4,当冰箱单次运行时间小于0.2(Kl*Tc/100)时,冰箱不能快速地达到制冷效果;当冰箱单次运行时间大于0.4(Kl*Tc/100)时冰箱节能效果差。c介于4~6,当冰箱单次停机时间小于4Kl*Tc时,冰箱浪费电量;当冰箱单次停机时间大于6(Kl*Tc/100)时冰箱不能快速地达到制冷效果。When Tc<3°C, a ranges from 0.2 to 0.4, and when the single running time of the refrigerator is less than 0.2(Kl*Tc/100), the refrigerator cannot quickly achieve the cooling effect; when the single running time of the refrigerator is greater than 0.4(Kl*Tc/100), Tc/100) refrigerator energy saving effect is poor. c ranges from 4 to 6. When the single shutdown time of the refrigerator is less than 4Kl*Tc, the refrigerator wastes electricity; when the single shutdown time of the refrigerator is greater than 6(Kl*Tc/100), the refrigerator cannot quickly achieve the cooling effect.
一具体实施例中,请参考图2所示,T1为3℃,T210为℃,其他参数请参考图2所示,在低温下不依赖于加热丝仍然能有效地控制冰箱的运行。In a specific embodiment, please refer to Figure 2, T1 is 3°C, T210 is °C, other parameters please refer to Figure 2, the operation of the refrigerator can be effectively controlled at low temperatures without relying on the heating wire.
另请参考图3所示,步骤S2还包括:S26判断环境温度是否≥20℃;若是,则开机并进入步骤S27;若否,则进入步骤S24;S27判断冰箱单次运行时间是否≥(Kl*Tc/b),若是,则停机;若否则继续运行步骤S27。Please also refer to shown in Figure 3, step S2 also includes: S26 judges whether ambient temperature ≥ 20 ℃; If so, then start the machine and enter step S27; *Tc/b), if yes, then shut down; otherwise, continue to run step S27.
进一步地,步骤S2还包括:位于步骤S27之后的S27’,判断冰箱单次停机时间是否≥0.3*(Kl*Tc/b);若是,则返回步骤S1;若否则继续运行步骤S27’。Further, step S2 also includes: S27' after step S27, judging whether the single shutdown time of the refrigerator is ≥ 0.3*(Kl*Tc/b); if so, return to step S1; otherwise continue to run step S27'.
因此在冰箱的可使用环境温度下,均可以基于冰箱容积,并通过环境温度和冰箱运行时间来控制制冷系统的启停,无需在冷藏室设置温度传感器。并且,环境温度越低,冰箱的单次运行时间越短,停机时间越长,节能效果好。Therefore, at the usable ambient temperature of the refrigerator, the start and stop of the refrigeration system can be controlled based on the volume of the refrigerator, and through the ambient temperature and the running time of the refrigerator, without setting a temperature sensor in the refrigerator. Moreover, the lower the ambient temperature, the shorter the single running time of the refrigerator, the longer the downtime, and the better the energy saving effect.
另请参考图4~图6所示,当压缩机为直流压缩机时,步骤S2包括如下步骤:S2a判断环境温度是否≥Ta,若是,则进入步骤S2b;若否,则进入步骤S2c;S2b判断冰箱总运行时间是否≥x1*(Kl*Tc/y),若是,则进入步骤S2d;若否则压缩机以H1频率运行;S2c判断冰箱总运行时间是否≥x2*(Kl*Tc/y),若是,则进入步骤S2e;若否则压缩机以H2频率运行;S2d判断冰箱总运行时间是否≥x3*(Kl*Tc/y),若是,则压缩机以H3频率运行;若否,则压缩机以H4频率运行;S2e判断冰箱总运行时间是否≥x4*(Kl*Tc/y),若是,则压缩机以H5频率运行;若否,则压缩机以H6频率运行;其中,x1、x2、x3、x4和y均为比例系数,且x1>x2,x3>x4,x3>x1,x4>x2,Kl为冰箱容积,Tc为环境温度,H1>H2,H3>H5,H4>H6,H1>H4>H3,H2>H6>H5。Please also refer to Figures 4 to 6, when the compressor is a DC compressor, step S2 includes the following steps: S2a judges whether the ambient temperature ≥ Ta, if so, enters step S2b; if not, enters step S2c; S2b Determine whether the total running time of the refrigerator is ≥x1*(Kl*Tc/y), if so, enter step S2d; otherwise, the compressor runs at H1 frequency; S2c judges whether the total running time of the refrigerator is ≥x2*(Kl*Tc/y) , if so, enter step S2e; otherwise, the compressor operates at H2 frequency; S2d judges whether the total operating time of the refrigerator is ≥ x3*(Kl*Tc/y), if so, the compressor operates at H3 frequency; if not, compress The machine runs at H4 frequency; S2e judges whether the total running time of the refrigerator is ≥ x4*(Kl*Tc/y), if yes, the compressor runs at H5 frequency; if not, the compressor runs at H6 frequency; among them, x1, x2 , x3, x4 and y are proportional coefficients, and x1>x2, x3>x4, x3>x1, x4>x2, Kl is the volume of the refrigerator, Tc is the ambient temperature, H1>H2, H3>H5, H4>H6, H1>H4>H3, H2>H6>H5.
该方法中,基于冰箱的容积,通过压缩机运行频率和运行时间控制压缩机的运行频率,无需设置低温补充加热丝。并且,在同一温度下,随着压缩机运行总时间的延长,逐级降低压缩机运行的频率H,可以有效防止制冷间室突然过冷,且控制更精确。In this method, based on the volume of the refrigerator, the operating frequency of the compressor is controlled through the operating frequency and operating time of the compressor, and there is no need to set a low-temperature supplementary heating wire. Moreover, at the same temperature, as the total operating time of the compressor increases, the operating frequency H of the compressor is gradually reduced, which can effectively prevent the refrigeration compartment from being suddenly overcooled, and the control is more precise.
进一步地,步骤S2还包括如下步骤:压缩机运行过程中,判断冰箱单次运行时间是否大于(Kl*Tc/y),若是则返回步骤S1,若否则压缩机继续以当前频率运行;进一步起到节能且精确控温的效果。Further, step S2 also includes the following steps: during the operation of the compressor, determine whether the single operation time of the refrigerator is greater than (Kl*Tc/y), if so, return to step S1, if otherwise, the compressor continues to operate at the current frequency; further start To the effect of energy saving and precise temperature control.
进一步地,步骤S2包括如下步骤:S2f判断环境温度是否≥Tb,Tb大于Ta;若是,则进入步骤S2g;若否,则进入步骤S2a;S2g判断冰箱总运行时间是否≥x5*(Kl*Tc/y),若是,则进入步骤S2h;若否则压缩机以H7频率运行;S2h判断冰箱总运行时间是否≥x6*(Kl*Tc/y),若是,则压缩机以H8频率运行;若否,则压缩机以H9频率运行;其中,x5、x6和y均为比例系数,且x6>x5,x5>x1,x6>x3,Kl为冰箱容积,Tc为环境温度,H8<H9<H7,H8>H3,H9>H4,H7>H1。其中x1~x6,H1~H9的数值与冰箱的容积和环境温度有关,在冰箱容积一定的情况下,环境温度越低,冰箱总运行时间越短,压缩机运行频率越小,节能效果好。Further, step S2 includes the following steps: S2f judges whether the ambient temperature ≥ Tb, and Tb is greater than Ta; if so, then enters step S2g; if not, then enters step S2a; S2g determines whether the total running time of the refrigerator is ≥x5*(Kl*Tc /y), if so, then enter step S2h; if otherwise, the compressor runs at H7 frequency; S2h judges whether the total running time of the refrigerator is ≥x6*(Kl*Tc/y), if so, then the compressor runs at H8 frequency; if not , the compressor runs at H9 frequency; among them, x5, x6 and y are proportional coefficients, and x6>x5, x5>x1, x6>x3, Kl is the volume of the refrigerator, Tc is the ambient temperature, H8<H9<H7, H8>H3, H9>H4, H7>H1. Among them, the values of x1~x6, H1~H9 are related to the volume of the refrigerator and the ambient temperature. When the volume of the refrigerator is constant, the lower the ambient temperature, the shorter the total running time of the refrigerator, and the lower the operating frequency of the compressor, and the energy-saving effect is better.
本发明将冰箱所处的环境分为多个温度区间,且根据不同的环境温度设置相应的系数。一具体实施例中,请参考图2所示,T1介于1℃~3℃,T2介于8℃~12℃;在低温下不依赖于加热丝仍然能有效地控制冰箱的运行。The invention divides the environment where the refrigerator is located into multiple temperature ranges, and sets corresponding coefficients according to different ambient temperatures. In a specific embodiment, please refer to FIG. 2 , T1 is between 1° C. and 3° C., and T2 is between 8° C. and 12° C.; at low temperatures, the operation of the refrigerator can be effectively controlled without relying on the heating wire.
相邻的两个温度区间之间的控制方法与上述Ta和Tb温度下的控制方法相类似,根据实际情况b=10,系数a,和压缩机的运行频率H会根据实际环境温度做相应的调整。具体参考如下:The control method between two adjacent temperature ranges is similar to the control method at Ta and Tb temperatures above. According to the actual situation b=10, the coefficient a, and the operating frequency H of the compressor will be adjusted according to the actual ambient temperature. Adjustment. The specific reference is as follows:
当Tc≥20℃时,冰箱总运行时间1中的x介于1.0~1.2之间,当冰箱总运行时间1小于(Kl*Tc/10)时,冰箱不能快速地达到制冷效果;当冰箱总运行时间1大于1.2(Kl*Tc/10)时冰箱节能效果差。冰箱总运行时间2中的x介于2~3之间,当冰箱总运行时间2小于2(Kl*Tc/10)时,冰箱不能快速地达到制冷效果;当冰箱总运行时间2大于3(Kl*Tc/10)时冰箱节能效果差。When Tc≥20℃, x in the total running time 1 of the refrigerator is between 1.0 and 1.2. When the total running time 1 of the refrigerator is less than (Kl*Tc/10), the refrigerator cannot achieve the cooling effect quickly; When the running time 1 is greater than 1.2 (Kl*Tc/10), the energy-saving effect of the refrigerator is poor. The x in the total running time 2 of the refrigerator is between 2 and 3. When the total running time 2 of the refrigerator is less than 2(Kl*Tc/10), the refrigerator cannot quickly achieve the cooling effect; when the total running time 2 of the refrigerator is greater than 3( Kl*Tc/10) refrigerator energy saving effect is poor.
当Tc≥10℃<20℃时,冰箱总运行时间1中的x介于0.8~0.9之间,当冰箱总运行时间1小于0.8(Kl*Tc/10),冰箱不能快速地达到制冷效果;当冰箱总运行时间1大于0.9(Kl*Tc/10)时冰箱节能效果差。冰箱总运行时间2中的x介于1.6~1.8之间,当冰箱总运行时间2小于1.6(Kl*Tc/10)时,冰箱不能快速地达到制冷效果;当冰箱总运行时间2大于1.8(Kl*Tc/10)时冰箱节能效果差。When Tc≥10°C<20°C, x in the total running time 1 of the refrigerator is between 0.8 and 0.9, and when the total running time 1 of the refrigerator is less than 0.8 (Kl*Tc/10), the refrigerator cannot quickly achieve the cooling effect; When the total running time 1 of the refrigerator is greater than 0.9 (Kl*Tc/10), the energy-saving effect of the refrigerator is poor. The x in the total running time 2 of the refrigerator is between 1.6 and 1.8. When the total running time 2 of the refrigerator is less than 1.6 (Kl*Tc/10), the refrigerator cannot quickly achieve the cooling effect; when the total running time 2 of the refrigerator is greater than 1.8 ( Kl*Tc/10) refrigerator energy saving effect is poor.
当Tc≥3℃<10℃时,冰箱总运行时间1的系数x介于0.6~0.7之间,当冰箱总运行时间1小于0.6(Kl*Tc/10)时,冰箱不能快速地达到制冷效果;当冰箱总运行时间1大于0.7(Kl*Tc/10)时冰箱节能效果差。冰箱总运行时间2的系数x介于1.2~1.4之间;当冰箱总运行时间2小于1.2(Kl*Tc/10)时,冰箱不能快速地达到制冷效果;当冰箱总运行时间2大于1.4(Kl*Tc/10)时冰箱节能效果差。When Tc≥3°C<10°C, the coefficient x of the total running time 1 of the refrigerator is between 0.6 and 0.7, and when the total running time 1 of the refrigerator is less than 0.6 (Kl*Tc/10), the refrigerator cannot quickly achieve the cooling effect ; When the total operating time 1 of the refrigerator is greater than 0.7 (Kl*Tc/10), the energy-saving effect of the refrigerator is poor. The coefficient x of the total running time 2 of the refrigerator is between 1.2 and 1.4; when the total running time 2 of the refrigerator is less than 1.2 (Kl*Tc/10), the refrigerator cannot quickly achieve the cooling effect; when the total running time 2 of the refrigerator is greater than 1.4 ( Kl*Tc/10) refrigerator energy saving effect is poor.
当Tc<3℃时,冰箱总运行时间1的系数x介于0.4~0.5之间,当冰箱总运行时间1小于0.4(Kl*Tc/10)时,冰箱不能快速地达到制冷效果;当冰箱总运行时间1大于0.5(Kl*Tc/10)时冰箱节能效果差。冰箱总运行时间2的系数x介于1.0~1.1之间,当冰箱总运行时间2小于(Kl*Tc/10)时,冰箱不能快速地达到制冷效果;当冰箱总运行时间2大于1.1(Kl*Tc/10)时冰箱节能效果差。When Tc<3°C, the coefficient x of the total running time 1 of the refrigerator is between 0.4 and 0.5. When the total running time 1 of the refrigerator is less than 0.4 (Kl*Tc/10), the refrigerator cannot quickly achieve the cooling effect; when the refrigerator When the total running time 1 is greater than 0.5 (Kl*Tc/10), the refrigerator has poor energy-saving effect. The coefficient x of the total running time 2 of the refrigerator is between 1.0 and 1.1. When the total running time 2 of the refrigerator is less than (Kl*Tc/10), the refrigerator cannot quickly achieve the cooling effect; when the total running time 2 of the refrigerator is greater than 1.1 (Kl *Tc/10) the energy-saving effect of the refrigerator is poor.
一具体实施例中,请参阅图5所示,Ta介于1℃~3℃,Tb介于8℃~12℃,其他参数参考图5所示,在低温下不依赖于加热丝仍然能有效地控制冰箱的运行。In a specific embodiment, please refer to Figure 5, Ta is between 1°C and 3°C, Tb is between 8°C and 12°C, and other parameters are shown in Figure 5, and it can still be effective at low temperatures without relying on the heating wire control the operation of the refrigerator.
另请参阅图6所示,步骤S2进一步还包括如下步骤:S2i判断环境温度是否≥20℃,若是,则进入步骤S2j;若否,则进入步骤S2f;S2j判断冰箱总运行时间是否≥(Kl*Tc/10)min,若是,则进入步骤S2k;若否则压缩机以100Hz频率运行;S2k判断冰箱总运行时间是否≥2(Kl*Tc/10)min,若是,则压缩机以60Hz频率运行;若否,则压缩机以80Hz频率运行。Also see shown in Figure 6, step S2 further includes the following steps: S2i judges whether the ambient temperature is ≥ 20°C, if so, then enters step S2j; if not, then enters step S2f; S2j determines whether the total operating time of the refrigerator is ≥ (Kl *Tc/10)min, if yes, go to step S2k; otherwise, the compressor runs at 100Hz frequency; S2k judges whether the total running time of the refrigerator is ≥2(Kl*Tc/10)min, if yes, then the compressor runs at 60Hz frequency ; If not, the compressor runs at 80Hz frequency.
因此在冰箱的可使用环境温度下,均可以基于冰箱容积,并通过环境温度和冰箱运行时间来控制压缩机的运行频率,无需在冷藏室设置温度传感器。并且,环境温度越低,冰箱的运行频率越低,运行时间越短,节能效果好。Therefore, at the usable ambient temperature of the refrigerator, the operating frequency of the compressor can be controlled based on the capacity of the refrigerator, and the ambient temperature and the running time of the refrigerator without setting a temperature sensor in the refrigerator. Moreover, the lower the ambient temperature is, the lower the operating frequency of the refrigerator is, the shorter the operating time is, and the energy-saving effect is better.
综上所述,本发明的冰箱的控制方法,制冷系统的工作状态不再受冷藏温度的控制,并且不需要增加冷藏加热丝,而是会根据环境温度和运行时间来进行自动控制,此冰箱的控制方法不仅能有效制冷,还能实现节能降成本,减少安全隐患。To sum up, in the refrigerator control method of the present invention, the working state of the refrigeration system is no longer controlled by the refrigeration temperature, and there is no need to add refrigeration heating wires, but it will be automatically controlled according to the ambient temperature and operating time. The advanced control method can not only effectively refrigerate, but also realize energy saving and cost reduction, and reduce potential safety hazards.
应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施方式中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.
上文所列出的一系列的详细说明仅仅是针对本发明的可行性实施方式的具体说明,它们并非用以限制本发明的保护范围,凡未脱离本发明技艺精神所作的等效实施方式或变更均应包含在本发明的保护范围之内。The series of detailed descriptions listed above are only specific descriptions of the feasible implementation modes of the present invention, and they are not intended to limit the protection scope of the present invention. All changes should be included within the protection scope of the present invention.
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