CN112361703B - Method for controlling heater of turnover beam of refrigerator - Google Patents
Method for controlling heater of turnover beam of refrigerator Download PDFInfo
- Publication number
- CN112361703B CN112361703B CN202011245990.7A CN202011245990A CN112361703B CN 112361703 B CN112361703 B CN 112361703B CN 202011245990 A CN202011245990 A CN 202011245990A CN 112361703 B CN112361703 B CN 112361703B
- Authority
- CN
- China
- Prior art keywords
- temperature
- operation rate
- time
- heating
- turnover beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a control method of a heater of a turnover beam of a refrigerator, which comprises the following steps: obtaining an ambient temperature T1, an ambient humidity RH and a refrigerator compartment temperature T3; and calculating the dew point temperature T2; comparing the temperature T3 of the refrigerating chamber with the dew point temperature T2, and when T3 is less than or equal to T2Calculating the initial operation rate z of the heating open-time rate of the turnover beam at the current ring temperature to be (T2+ K1-P2)/P1; carrying out first correction on the initial operation rate to obtain an operation rate z1 after the first correction; carrying out second correction on the operation rate z1 to obtain a second corrected operation rate z 2; calculating the heating time T of the turnover beam heater according to the data obtained in the step fiveonAnd T at the time of stopping heatingoff. According to the invention, the running rate of the turnover beam is calculated, the running rate is corrected by detecting the temperature of the refrigerating room, and the heating and stopping time of the heater is accurately controlled by the control system according to the real-time change of the environmental temperature, the humidity and the temperature of the refrigerating room, so that the surface temperature of the turnover beam is higher than the dew point temperature.
Description
Technical Field
The invention belongs to the technical field of refrigerator control, and particularly relates to a method for controlling a heater of a turnover beam of a refrigerator.
Background
With the continuous improvement of living standard of people, the air-cooled refrigerator has gone into thousands of households, and the refrigerator with a side-by-side combination type refrigerating door is more and more popular. The existing refrigerator with the split cold storage door has the advantages that the cold air leakage between the left and right cold storage doors to cause the condensation of the left and right door bodies is prevented, the turning beam is generally arranged on the right side face of the left cold storage door, the heater is arranged on the turning beam, and the condensed water on the turning beam is evaporated by utilizing the heat emitted by the heater during working, so that the condensation prevention effect is achieved.
The conventional turnover beam heater of the refrigerating chamber of the refrigerator is usually controlled according to the operation of starting and stopping at fixed time, and the turnover beam heater works and stops according to a fixed value, such as 50 seconds of electrifying the heater and 20 seconds of deenergizing the heater, and continuously and circularly operates. Under different environmental temperatures and humidities, the dew point temperature of air is different, the temperature of the refrigerating chamber is also different according to the use mode of a user, if the heater works for a fixed time, the heating time is short, and condensation is usually generated under the high-temperature and high-humidity environment due to insufficient heat productivity; the surface temperature of the turnover beam is too high due to too long heating time, the heat load of the refrigerating chamber is increased, and the temperature is higher than the dew point temperature in a low-temperature and low-humidity environment, so that the power consumption of the refrigerator is increased. Therefore, a method for controlling the heating time of the turnover beam heater of the refrigerating chamber in real time needs to be designed according to the ambient temperature and humidity of the refrigerator and the temperature of the refrigerating chamber, so as to achieve the purposes of preventing condensation and saving energy.
Disclosure of Invention
The invention aims to provide a control method of a heater of a turnover beam of a refrigerator, which is characterized in that an environment temperature sensor and a humidity sensor are arranged to detect the environment temperature and the humidity of the refrigerator, the dew point temperature is calculated, the running rate of the turnover beam is calculated, the running rate is corrected by detecting the temperature of a refrigerating room, and a control system accurately controls the heating and stopping time of the heater according to the real-time change of the environment temperature, the humidity and the temperature of a refrigerating chamber in a running period, so that the surface temperature of the turnover beam is ensured to be higher than the dew point temperature, and the generation of condensed water of the turnover beam is effectively prevented; due to the proper running rate, the working efficiency of the turnover beam is improved, the power consumption of the working period is reduced under the condition that the turnover beam is not provided with condensed water, the purpose of energy conservation is realized, and the user experience is increased.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a control method of a heater of a turnover beam of a refrigerator, which comprises the following steps:
the method comprises the following steps: detecting the ambient temperature by a refrigerator ambient temperature sensor to obtain an ambient temperature T1; detecting the ambient humidity of the refrigerator through a humidity sensor to obtain the ambient humidity RH; detecting the temperature of the refrigerating chamber through a refrigerating sensor to obtain the temperature T3 of the refrigerating chamber;
feeding back the obtained ambient temperature T1, ambient humidity RH and refrigerating chamber temperature T3 to a control system and calculating the dew point temperature T2 of the current ambient temperature and humidity; the control system comprises a control panel and a display panel;
step two: comparing the refrigerating chamber temperature T3 with the dew point temperature T2, wherein when T3 is not more than T2, step three is executed, and when T3 is more than T2, the step one is returned;
step three: when T3 is not more than T2, the control system calculates the initial operation rate z of the heating open-time rate of the turnover beam at the current ring temperature to be (T2+ K1-P2)/P1;
step four: performing first correction on the initial operation rate through data processing of a control system to obtain an operation rate z1 after the first correction;
wherein, if the initial operation rate z is less than or equal to 0, the operation rate z1 is equal to 0,
if the initial operation rate z is greater than 0, the operation rate z1 is equal to z;
step five: performing a second correction on the operation rate z1 through data processing of the control system to obtain an operation rate z2 ═ ((Tc-T3) × P3)/T + z1 after the second correction;
wherein Tc in the above formula represents the set refrigerating chamber reference temperature, P3 represents the increase and decrease time of the turnover beam heater when the refrigerating chamber reference temperature Tc is used as the reference and the decrease and increase of 1 ℃ are carried out;
if the operation rate z2 is less than or equal to 0, the actual operation rate z3 is 0;
wherein, if the operation rate is 0 < z2 < 1, the actual operation rate z3 is z2,
wherein if the operation rate z2 is not less than 1, the actual operation rate z3 is (T-1)/T,
step six: according to the data obtained in the step five, the control system calculates the heating time T of the turnover beam heateronAnd T at the time of stopping heatingoff；
Heating time TonIs the set period time T multiplied by the actual operating rate of the flip beam heater z3, i.e. Ton＝T×z3；
Time T for stopping heatingoffThe heating time T of the turnover beam heater is subtracted from the set period time TonI.e. Toff＝T-Ton；
Step seven: the control system obtains the heating time T of the turnover beam heater according to the step fiveonAnd stop heating time ToffHeating control is carried out on the turnover beam heater; and returning to the step one after the step seven is finished.
Further, P1 and P2 in the third step are different working coefficients of the refrigerator at the ambient temperature, the working coefficients of different environment temperatures are different, and the coefficients are implanted into the system in advance; k1 in the third step represents K1 degrees above the dew point temperature.
Further, T in the fifth step and the sixth step is cycle time, the cycle time T is the sum of one-time heating time and one-time heating stopping time of the beam heater, and the cycle time T is a fixed value set by a system.
The invention has the following beneficial effects:
according to the invention, the environmental temperature and the humidity of the refrigerator are detected by arranging the environment temperature sensor and the humidity sensor, the dew point temperature is calculated, so that the running rate of the turnover beam is calculated, the running rate is corrected by detecting the temperature of the refrigerating room, and in the running period, the control system accurately controls the heating and stopping time of the heater according to the real-time change of the environmental temperature, the humidity and the temperature of the refrigerating room, so that the surface temperature of the turnover beam is ensured to be higher than the dew point temperature, and the generation of condensed water of the turnover beam is effectively prevented; due to the proper running rate, the working efficiency of the turnover beam is improved, the power consumption of the working period is reduced under the condition that the turnover beam is not provided with condensed water, the purpose of energy conservation is realized, and the user experience is increased.
Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flow chart of a control method of a heater of a turning beam of a refrigerator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1, the present invention relates to a method for controlling a heater of a turnover beam of a refrigerator, which comprises the following steps:
the method comprises the following steps: detecting the ambient temperature by a refrigerator ambient temperature sensor to obtain an ambient temperature T1; detecting the ambient humidity of the refrigerator through a humidity sensor to obtain the ambient humidity RH; detecting the temperature of the refrigerating chamber through a refrigerating sensor to obtain the temperature T3 of the refrigerating chamber;
feeding back the obtained ambient temperature T1, ambient humidity RH and refrigerating chamber temperature T3 to a control system and calculating the dew point temperature T2 of the current ambient temperature and humidity; the control system comprises a control panel and a display panel;
step two: comparing the refrigerating chamber temperature T3 with the dew point temperature T2, wherein when T3 is not more than T2, step three is executed, and when T3 is more than T2, the step one is returned;
step three: when T3 is not more than T2, the control board calculates the initial operation rate z of the heating open-time rate of the turnover beam at the current ring temperature to be (T2+ K1-P2)/P1;
p1 and P2 in the above formula are different working coefficients of the refrigerator at the ambient temperature, the working coefficients of different environment temperatures are different, and the coefficients are implanted into the system in advance; the heating coefficients P1, P2 were obtained according to a large number of experiments;
k1 represents K1 degrees above the dew point temperature; to reduce the risk of condensation, the value of K1 must be positive;
step four: performing first correction on the initial operation rate through data processing of a control system to obtain an operation rate z1 after the first correction;
wherein if the initial operation rate z is less than or equal to 0, the operation rate z1 is 0,
if the initial operation rate z is greater than 0, the operation rate z1 is equal to z;
step five: performing a second correction on the operation rate z1 through data processing of the control system to obtain an operation rate z2 ═ ((Tc-T3) × P3)/T + z1 after the second correction;
wherein Tc in the above formula represents the set refrigerating chamber reference temperature, P3 represents the increase and decrease time of the turnover beam heater when the refrigerating chamber reference temperature Tc is used as the reference and the decrease and increase of 1 ℃ are carried out; the reference temperature Tc and the increase and decrease time P3 of the refrigerating chamber can be selected arbitrarily according to the actual situation of the product;
t is the sum of one-time heating time and one-time heating stopping time of the turnover beam heater, and the period time T is a fixed value set by a system;
if the operation rate z2 is less than or equal to 0, the actual operation rate z3 is 0;
wherein, if the operation rate is 0 < z2 < 1, the actual operation rate z3 is z2,
if the operation rate z2 is more than or equal to 1, obtaining the actual operation rate z3 as (T-1)/T;
step six: according to the data obtained in the step five, the control system calculates the heating time T of the turnover beam heateronAnd T at the time of stopping heatingoff；
Heating time TonIs the set period time T multiplied by the actual operating rate of the flip beam heater z3, i.e. Ton＝T×z3；
Time T for stopping heatingoffThe heating time T of the turnover beam heater is subtracted from the set period time TonI.e. Toff＝T-Ton；
Step seven: the control system obtains the heating time T of the turnover beam heater according to the step fiveonAnd stop heating time ToffHeating control is carried out on the turnover beam heater; and returning to the step one after the step seven is finished.
If the Tc value is set to 4 ℃, P3 is 1, and the refrigerating chamber temperature T is 3 ℃ in this example, the operation rate z2 after the inversion beam heater is further corrected to ((4-3) × 1)/T + z1 to (1/T) + z1, and if the operation rate z3 is not less than 1, the actual operation rate z3 is obtained to (T-1)/T.
The technical scheme of the invention is not only limited to the use of the heater of the turnover beam of the refrigerator, but also can be used for removing condensation products by heating the refrigerator and the freezer by using the heating wires.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (1)
1. A control method for a heater of a turnover beam of a refrigerator is characterized by comprising the following steps:
the method comprises the following steps: detecting the ambient temperature by a refrigerator ambient temperature sensor to obtain an ambient temperature T1; detecting the ambient humidity of the refrigerator through a humidity sensor to obtain the ambient humidity RH; detecting the temperature of the refrigerating chamber through a refrigerating sensor to obtain the temperature T3 of the refrigerating chamber;
feeding back the obtained ambient temperature T1, ambient humidity RH and refrigerating chamber temperature T3 to a control system and calculating the dew point temperature T2 of the current ambient temperature and humidity; the control system comprises a control panel and a display panel;
step two: comparing the refrigerating chamber temperature T3 with the dew point temperature T2, wherein when T3 is not more than T2, step three is executed, and when T3 is more than T2, the step one is returned;
step three: when T3 is not more than T2, the control system calculates the initial operation rate z of the heating open-time rate of the turnover beam at the current ring temperature to be (T2+ K1-P2)/P1;
p1 and P2 are different working coefficients of the refrigerator at the ambient temperature, the working coefficients of different environment temperatures are different, and the coefficients are implanted into the system in advance; k1 represents K1 degrees above the dew point temperature;
step four: performing first correction on the initial operation rate through data processing of a control system to obtain an operation rate z1 after the first correction;
wherein if the initial operation rate z is less than or equal to 0, the operation rate z1 is 0,
if the initial operation rate z is greater than 0, the operation rate z1 is equal to z;
step five: performing a second correction on the operation rate z1 through data processing of the control system to obtain an operation rate z2 ═ ((Tc-T3) × P3)/T + z1 after the second correction;
wherein Tc in the above formula represents the set refrigerating chamber reference temperature, P3 represents the increase and decrease time of the turnover beam heater when the refrigerating chamber reference temperature Tc is used as the reference and the decrease and increase of 1 ℃ are carried out;
wherein if the operation rate z2 is less than or equal to 0, the actual operation rate z3 is 0,
if the operation rate is 0 < z2 < 1, the actual operation rate z3 is z2,
if the operation rate z2 is more than or equal to 1, obtaining the actual operation rate z3 as (T-1)/T;
step six: according to the data obtained in the step five, the control system calculates the heating time T of the turnover beam heateronAnd T at the time of stopping heatingoff；
Heating time TonIs the set period time T multiplied by the actual operating rate of the flip beam heater z3, i.e. Ton＝T×z3；
Time T for stopping heatingoffThe heating time T of the turnover beam heater is subtracted from the set period time TonI.e. Toff＝T-Ton；
T is cycle time which is the sum of one-time heating time and one-time heating stopping time of the turnover beam heater, and the cycle time T is a fixed value set by a system;
step seven: the control system obtains the heating time T of the turnover beam heater according to the step fiveonAnd stop heating time ToffHeating control is carried out on the turnover beam heater; and returning to the step one after the step seven is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011245990.7A CN112361703B (en) | 2020-11-10 | 2020-11-10 | Method for controlling heater of turnover beam of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011245990.7A CN112361703B (en) | 2020-11-10 | 2020-11-10 | Method for controlling heater of turnover beam of refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112361703A CN112361703A (en) | 2021-02-12 |
| CN112361703B true CN112361703B (en) | 2022-07-05 |
Family
ID=74509371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011245990.7A Active CN112361703B (en) | 2020-11-10 | 2020-11-10 | Method for controlling heater of turnover beam of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112361703B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780476B (en) * | 2020-06-16 | 2021-12-21 | 海信（成都）冰箱有限公司 | A kind of refrigerator |
| CN115420060A (en) * | 2022-09-26 | 2022-12-02 | 河南新飞智家科技有限公司 | Dew removal control method for air-cooled refrigerator |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203083243U (en) * | 2013-01-30 | 2013-07-24 | 合肥美菱股份有限公司 | Refrigerator condensation-proof heating controlling device |
| CN103062978B (en) * | 2013-01-30 | 2015-07-01 | 合肥美菱股份有限公司 | Refrigerator condensation preventing heating control device and control method |
| CN104006623A (en) * | 2014-05-06 | 2014-08-27 | 合肥荣事达三洋电器股份有限公司 | Anti-condensation control device for French hinged-door refrigerator and control method of anti-condensation control device for French hinged-door refrigerator |
| CN103968634B (en) * | 2014-05-07 | 2016-01-20 | 合肥美菱股份有限公司 | A kind of condensation prevention method for heating and controlling and application thereof |
| CN105222476A (en) * | 2015-10-13 | 2016-01-06 | 合肥晶弘三菱电机家电技术开发有限公司 | A kind of anti-condensation heating system of turnover beam of refrigerator and control method thereof |
| CN208432005U (en) * | 2018-04-02 | 2019-01-25 | 长虹美菱股份有限公司 | A kind of refrigerator cold-storage door flip beam self-adaptive temperature control device |
| CN109990547A (en) * | 2019-03-29 | 2019-07-09 | 长虹美菱股份有限公司 | Refrigerator storage door flip beam segmented control method |
| CN110513959A (en) * | 2019-08-30 | 2019-11-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Control circuit, the control method of flip beam heater and refrigerator |
| CN110595139A (en) * | 2019-09-10 | 2019-12-20 | 合肥晶弘电器有限公司 | Refrigerator overturning beam condensation prevention control method and device, control equipment and refrigerator |
| CN111288729A (en) * | 2020-02-19 | 2020-06-16 | 长虹美菱股份有限公司 | Refrigerator with anti-condensation device and anti-condensation control method |
-
2020
- 2020-11-10 CN CN202011245990.7A patent/CN112361703B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112361703A (en) | 2021-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112361703B (en) | Method for controlling heater of turnover beam of refrigerator | |
| CN105864983B (en) | A kind of air conditioning control method | |
| CN101545706B (en) | Method for controlling frequency conversion of frequency conversion refrigerator | |
| CN107388699B (en) | A kind of ducting assembly and its control method for refrigerator | |
| CN1313790C (en) | Controlling system and method for refrigerator with time interval run | |
| CN108759009A (en) | Control method, device and the air-conditioner set with it of air-conditioning | |
| CN102937363A (en) | Condensation-proof heating control device of overturning beam of refrigerator and control method thereof | |
| CN105091241A (en) | Method for controlling frequency-conversion air conditioner | |
| CN110173947A (en) | Refrigerating plant and its condensation prevention control method | |
| CN104296493B (en) | A kind of wide climate zone energy-saving freezer | |
| CN114198881A (en) | Air conditioner control method and device and air conditioner | |
| CN110513949A (en) | A kind of defrosting control method and device | |
| CN205784218U (en) | The control system of a kind of many air door wind-cooling refrigerators and refrigerator | |
| CN109990547A (en) | Refrigerator storage door flip beam segmented control method | |
| CN105222476A (en) | A kind of anti-condensation heating system of turnover beam of refrigerator and control method thereof | |
| CN109442854B (en) | Defrosting control method and device | |
| CN111550932A (en) | Heating water control method, processor and water storage type water heater | |
| JP6233283B2 (en) | Air conditioning system, air conditioner control device, and air conditioner control method | |
| CN100567860C (en) | A kind of double-door refrigerator with soft freezing chamber and electrical damper | |
| CN108444174A (en) | A kind of control method of electronic temperature control refrigerator | |
| CN201803559U (en) | Refrigerator with moisturizing unit | |
| CN103727735A (en) | Energy saving fuzzy-control device and energy saving fuzzy-control method for intelligent refrigerator | |
| WO2022148089A1 (en) | Refrigerator control method and apparatus, and storage medium and refrigerator | |
| CN114198961A (en) | Intelligent anti-condensation refrigerator device | |
| CN112344624B (en) | Heating wire control method for glass door of refrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |