WO2016112545A1 - 用于饮水机的制冷装置及其控制方法和饮水机 - Google Patents

用于饮水机的制冷装置及其控制方法和饮水机 Download PDF

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Publication number
WO2016112545A1
WO2016112545A1 PCT/CN2015/070920 CN2015070920W WO2016112545A1 WO 2016112545 A1 WO2016112545 A1 WO 2016112545A1 CN 2015070920 W CN2015070920 W CN 2015070920W WO 2016112545 A1 WO2016112545 A1 WO 2016112545A1
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WIPO (PCT)
Prior art keywords
temperature
water
water tank
cold water
refrigeration
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.)
Ceased
Application number
PCT/CN2015/070920
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English (en)
French (fr)
Inventor
谢剑周
张军鹏
李兴凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
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Filing date
Publication date
Application filed by Midea Group Co Ltd, Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to PCT/CN2015/070920 priority Critical patent/WO2016112545A1/zh
Publication of WO2016112545A1 publication Critical patent/WO2016112545A1/zh
Priority to US15/649,464 priority patent/US10377621B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/0857—Cooling arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/0878—Safety, warning or controlling devices
    • B67D1/0882—Devices for controlling the dispensing conditions
    • B67D1/0884—Means for controlling the parameters of the state of the liquid to be dispensed, e.g. temperature, pressure
    • 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
    • F25D31/00—Other cooling or freezing apparatus
    • F25D31/002—Liquid coolers, e.g. beverage cooler
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0251—Compressor control by controlling speed with on-off operation
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2111—Temperatures of a heat storage receiver
    • 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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25C2700/14—Temperature of water
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1951—Control of temperature characterised by the use of electric means with control of the working time of a temperature controlling device

Definitions

  • the invention relates to the technical field of household appliances, in particular to a refrigeration device control method for a water dispenser, a refrigeration device for a water dispenser and a water dispenser.
  • the refrigeration capacity of related refrigeration products is generally designed to be around 2 liters. If the cooling water capacity is increased, the cost of refrigeration products will increase significantly, thus losing the price competition. force.
  • the shortcomings of related technologies mainly include the following aspects:
  • the existing water dispenser condenser can not meet the performance requirements of ultra-low water temperature. Since the evaporating temperature in the refrigeration system will not change after the condenser is raised to a certain temperature, the refrigeration system loses its adjustment capability, resulting in long-term overload operation. If the condenser is better as a condenser with a higher cooling capacity, although the above situation can be improved, the cost will be greatly increased. In addition, since the size of the water dispenser is very small, there is also a limit to the size of the condenser.
  • the evaporation temperature of the refrigeration system should also be designed very low, therefore, the required compressor displacement is correspondingly increased.
  • the compressor discharge amount is large, resulting in high product cost.
  • a first object of the present invention is to provide a refrigeration apparatus control method for a water dispenser that avoids increasing the displacement of the compressor and increasing the size of the condenser and the evaporator by multi-stage refrigeration. Under the condition, the ultra-low water temperature refrigeration is realized, and the refrigeration capacity is improved.
  • a second object of the present invention is to provide a refrigerating apparatus for a water dispenser.
  • a third object of the present invention is to provide a water dispenser.
  • the first aspect of the present invention provides a refrigeration device control for a water dispenser.
  • the refrigeration device includes a cold water tank and a refrigeration module, and the control method includes the steps of: S1, controlling the refrigeration module to operate to cool water in the cold water tank; S2, in the cold water tank When the temperature of the water drops to the first preset temperature, the cooling module is controlled to stop working for the first preset time; S3, the cooling module is controlled to work again to continue cooling the water in the cold water tank S4, when the temperature of the water in the cold water tank drops to the nth preset temperature, the cooling module is controlled to stop working for the nth preset time, wherein the nth preset temperature is not greater than the nth -1 preset temperature, n is greater than or equal to 2 and less than or equal to a positive integer of N; S5, determining whether the temperature of the water in the cold water tank reaches the target temperature, and when the target temperature is not reached, n is incremented by 1, and the execution is repeated. Steps
  • a refrigeration apparatus control method for a water dispenser controls a refrigeration module to perform operation to cool water in a cold water tank, and to control cooling when a temperature of the water in the cold water tank drops to a first preset temperature
  • the module stops working for the first preset time.
  • the cooling module is controlled to work again to continue cooling the water in the cold water tank, and to control the cooling when the temperature of the water in the cold water tank drops to the nth preset temperature.
  • the module stops working for the nth preset time to determine whether the temperature of the water in the cold water tank reaches the target temperature. When the target temperature is not reached, n is incremented by 1, and the above process is repeated.
  • the method further includes controlling the refrigeration module to perform again when a temperature of the water in the cold water tank is greater than or equal to the N-1 preset temperature Working, and controlling the refrigeration module to stop working when the temperature of the water in the cold water tank drops to the target temperature.
  • the temperature of the water in the cold water tank is controlled to be maintained at the target temperature, and a large amount of ultra-low temperature water is stored for the user to access at any time.
  • N 3
  • the refrigeration device is three-stage refrigeration
  • the steps S1-S2 are first-stage refrigeration
  • the steps S3-S4 are second-stage refrigeration
  • the step S5 is third-stage refrigeration.
  • the refrigeration device control method for a water dispenser further includes: further acquiring a temperature of the water in the cold water tank after the user takes water; if the temperature of the water in the cold water tank is less than the second Presetting the temperature, entering the temperature maintaining phase; if the temperature of the water in the cold water tank is greater than or equal to the second preset temperature and less than the first preset temperature, performing only the third-stage cooling If the temperature of the water in the cold water tank is greater than or equal to the first preset temperature being less than a preset temperature threshold, sequentially performing the second stage cooling and the third stage cooling; if the cold water tank is When the temperature of the water is greater than or equal to the preset temperature threshold, the first-stage cooling, the second-stage cooling, and the third-stage cooling are sequentially performed.
  • the first preset time to the Nth preset time are determined according to a time when the cooling module is restored from an operating state to an initial state.
  • a refrigeration apparatus for a water dispenser includes: a cold water tank; a refrigeration module, wherein the refrigeration module is configured to cool water in the cold water tank; a module, the control module controls the refrigeration module to operate to cool water in the cold water tank, and sequentially perform the following steps: S1, the control module controls the refrigeration module to operate to the cold water tank The water in the water is cooled; S2, when the temperature of the water in the cold water tank drops to the first preset temperature, the control module controls the refrigeration module to stop working for the first preset time; S3, the The control module controls the refrigeration module to operate again to continue cooling the water in the cold water tank; S4, the control module controls the temperature when the temperature of the water in the cold water tank drops to a nth preset temperature The cooling module stops working for the nth preset time, wherein the nth preset temperature is not greater than the n-1th preset temperature, n is greater than or equal to 2 and is less than or equal to
  • a refrigerating apparatus for a water dispenser wherein a cooling module is controlled by a control module to perform cooling to cool water in the cold water tank, and when the temperature of the water in the cold water tank drops to a first preset temperature, control The module controls the cooling module to stop working for the first preset time. After that, the control module controls the refrigeration module to work again to continue cooling the water in the cold water tank, and the temperature of the water in the cold water tank is lowered to the nth preset. At the temperature, the control module controls the cooling module to stop working for the nth preset time, and the control module determines whether the temperature of the water in the cold water tank reaches the target temperature.
  • n is incremented by 1, and the above process is repeatedly executed. . Therefore, through multi-stage cooling, ultra-low temperature cooling is achieved, the refrigeration capacity is improved, and the compressor and condenser are improved while avoiding an increase in the displacement of the compressor and an increase in the size of the condenser and the evaporator. And the working performance of the evaporator ensures the stability of the compressor.
  • control module is further configured to: when the temperature of the water in the cold water tank is greater than or equal to the first N-1 preset temperature, the control module controls the refrigeration module to work again, and The control module controls the refrigeration module to stop operating when the temperature of the water in the cold water tank drops to the target temperature. Thereby, the temperature of the water in the cold water tank is controlled to be maintained at the target temperature, and a large amount of ultra-low temperature water is stored for the user to access at any time.
  • N 3
  • the refrigeration device is three-stage refrigeration
  • the steps S1-S2 are first-stage refrigeration
  • the steps S3-S4 are second-stage refrigeration
  • the step S5 is third-stage refrigeration.
  • control module is further configured to: further acquire a temperature of the water in the cold water tank; if the temperature of the water in the cold water tank is less than the second preset temperature, enter the temperature maintenance a stage; if the temperature of the water in the cold water tank is greater than or equal to the second preset temperature and less than the first preset temperature, performing the third-stage refrigeration; if the temperature of the water in the cold water tank If the first preset temperature is less than the preset temperature threshold, performing the second-stage cooling and the third-stage cooling; if the temperature of the water in the cold water tank is greater than or equal to the preset temperature threshold, Performing the first stage cooling, the second stage cooling, and the Three-stage refrigeration.
  • the first preset time to the Nth preset time are determined according to a time when the cooling module is restored from an operating state to an initial state.
  • an embodiment of the third aspect of the present invention provides a water dispenser comprising the refrigeration apparatus for a water dispenser.
  • ultra-low temperature cooling is achieved while avoiding an increase in the displacement of the compressor and an increase in the size of the condenser and the evaporator, and the refrigeration capacity is improved, and The working performance of the compressor, condenser and evaporator is improved, and the stability of the compressor is ensured.
  • FIG. 1 is a flow chart of a method of controlling a refrigeration apparatus for a water dispenser according to an embodiment of the present invention
  • FIG. 2 is a flow chart of a method of controlling a refrigeration apparatus for a water dispenser according to an embodiment of the present invention
  • FIG. 3 is a block schematic diagram of a refrigeration apparatus for a water dispenser according to an embodiment of the present invention.
  • FIG. 4 is a block schematic view of a water dispenser in accordance with an embodiment of the present invention.
  • the structure "on" the second feature may include embodiments in which the first and second features are formed in direct contact, and may also include embodiments in which additional features are formed between the first and second features, such that the first And the second feature may not be in direct contact.
  • the refrigeration device includes a refrigeration module and a water dispenser. As shown in FIG. 1, the refrigeration device control method for the water dispenser includes the following steps:
  • the refrigeration module is first controlled to operate, and when the temperature of the normal temperature water in the cold water tank is lowered to the first preset temperature, the refrigeration device is controlled to be stopped for a certain period of time, for example, the first preset time.
  • the cooling module is controlled to work again to continue cooling the water in the cold water tank.
  • the nth preset temperature is not greater than the n-1th preset temperature, and n is a positive integer greater than or equal to 2 and less than or equal to N.
  • step S5 judging whether the temperature of the water in the cold water tank reaches the target temperature, and when n is not reached, after step n is incremented by 1, steps S3-S4 are repeatedly performed, wherein the target temperature is the Nth preset temperature.
  • the steps S3-S4 are repeatedly performed, that is, the control is performed.
  • the method in the temperature maintenance phase further includes: controlling the cooling when the temperature of the water in the cold water tank is greater than or equal to the preset temperature of N-1
  • the module works again and controls the cooling module to stop working when the temperature of the water in the cold water tank drops to the target temperature. That is to say, when the water in the cold water tank is stored, the temperature will gradually rise.
  • the refrigeration module is controlled to work again, and the temperature of the water in the cold water tank When the target temperature is lowered, the control cooling module stops working. Thereby, the temperature of the water in the cold water tank is maintained at the target temperature, and a large amount of ultra-low temperature water is stored, so that the user can take cold water at any time.
  • the refrigeration device when N is 3, the refrigeration device is three-stage refrigeration, steps S1-S2 are first-stage refrigeration, steps S3-S4 are second-stage refrigeration, and step S5 is third-stage refrigeration.
  • the above-described refrigeration device control method for a water dispenser further includes: after the user takes water, further acquiring the temperature of the water in the cold water tank: if the temperature of the water in the cold water tank is less than the second preset temperature, the temperature is maintained.
  • Stage if the temperature of the water in the cold water tank is greater than or equal to the second preset temperature and less than the first preset temperature, only the third-stage refrigeration is performed; if the temperature of the water in the cold water tank is greater than or equal to the first preset temperature is less than the preset
  • the temperature threshold sequentially performs the second-stage cooling and the third-stage cooling; if the temperature of the water in the cold water tank is greater than or equal to the preset temperature threshold, the first-stage cooling, the second-stage cooling, and the third-stage cooling are sequentially performed.
  • the cooling module is controlled to work again, and when the temperature of the water in the cold water tank drops to the target temperature, the cooling module is controlled to stop working, so that the temperature of the water in the cold water tank is maintained at the target temperature, so that the user can access the cold water at any time.
  • the cooling module is controlled to operate, and when the temperature of the water in the cold water tank drops to the target temperature, the cooling module is controlled to stop working. Entering the temperature maintenance phase, the temperature of the water in the cold water tank is controlled to be maintained at the target temperature, so that the user can take cold water at any time.
  • the cooling module is controlled to operate, and the cooling module is controlled when the temperature of the water in the cold water tank drops to the second preset temperature Stop working in the second preset temperature; control the cooling module to work again, and reduce the temperature of the water in the cold water tank
  • the control refrigeration module stops working; when the temperature maintenance phase is entered, the temperature of the water in the cold water tank is controlled to be maintained at the target temperature, so that the user can take cold water at any time.
  • the cooling module is controlled to operate, and when the temperature of the water in the cold water tank drops to the first preset temperature, the cooling module is controlled within the first preset temperature. Stop working; control the cooling module to work again, and when the temperature of the water in the cold water tank drops to the second preset temperature, the cooling module is controlled to stop working in the second preset temperature; the cooling module is controlled to work again, and When the temperature of the water in the cold water tank drops to the target temperature, the cooling module is controlled to stop working; when the temperature is maintained, the temperature of the water in the cold water tank is controlled to be maintained at the target temperature, so that the user can take cold water at any time.
  • the first preset time to the Nth preset time are determined according to the time when the refrigeration module is restored from the working state to the initial state.
  • the first preset time to the Nth preset time may be the same, for example, both are greater than or equal to 2 minutes.
  • the method for controlling the refrigerating device for a water dispenser includes the following steps:
  • the first preset temperature may be 6 degrees Celsius.
  • the temperature of the water in the cold water tank drops from normal temperature to 6 degrees Celsius, and this stage can be called the thin ice stage or the shallow cold world.
  • the first preset time can be 5 minutes. After the cooling module is stopped for 5 minutes, the temperature of the water in the cold water tank rises slightly. For example, the temperature of the water may be between 6 degrees Celsius and 10 degrees Celsius.
  • the second preset temperature may be 4 degrees Celsius.
  • the temperature of the water in the cold water tank drops from 6 degrees Celsius to 4 degrees Celsius.
  • the stage in which the temperature of the water in the cold water tank is lowered from the first preset temperature to the second preset temperature may be referred to as an ice stage or a medium-cooled world.
  • the second preset time can be 5 minutes. After the cooling module is stopped for 5 minutes, the temperature of the water in the cold water tank rises slightly. For example, the temperature of the water may be between 4 degrees Celsius and 6 degrees Celsius.
  • the target temperature can be 2 degrees Celsius.
  • the temperature of the water in the cold water tank drops from 4 degrees Celsius to 2 degrees Celsius.
  • the stage in which the temperature of the water in the cold water tank is lowered from the second preset temperature to the target temperature may be referred to as an ice storage stage or The world is deep.
  • step S210 Determine whether the temperature of the water in the cold water tank is greater than or equal to the second preset temperature. If yes, go to step S207; if no, go to step S211.
  • the temperature of the water in the cold water tank is controlled to stay in the ice storage stage or the state of the cryogenic world.
  • the refrigeration module is controlled to work, and when the temperature of the water reaches 2 degrees Celsius, the refrigeration is controlled.
  • the module stops working, so that a large amount of water with ultra-low water temperature can be stored at any time for the user to reserve.
  • step S211 Determine whether the user is taking water. If yes, go to step S212; if no, go back to step S210.
  • step S212 After the user takes water, obtain the temperature of the water in the cold water tank. If the temperature of the water in the cold water tank is greater than the target temperature and less than the second preset temperature, step S213 is performed; if the temperature of the water in the cold water tank is greater than or equal to the second preset temperature and less than the first preset temperature, step S214 is performed; If the temperature of the water in the cold water tank is greater than or equal to the first preset temperature being less than the preset temperature threshold, step S215 is performed; if the temperature of the water in the cold water tank is greater than or equal to the preset temperature threshold, step S216 is performed.
  • the preset temperature threshold may be 10 degrees Celsius.
  • the refrigeration module enters the temperature maintenance phase, the temperature of the water rises to 4 degrees Celsius, and the cooling module is controlled to work in the water.
  • the control refrigeration module stops working, so that a large amount of water with ultra-low water temperature can be stored at any time for the user to reserve.
  • the refrigeration module is controlled to work, and the temperature of the water in the cold water tank drops to 2 degrees Celsius, and the cooling is controlled.
  • the module stops working, that is, only the third stage of cooling is performed. Thereafter, the refrigeration unit is controlled to enter a temperature maintenance phase, and a large amount of ultra-low temperature water is maintained for the user to reserve.
  • the refrigeration module is controlled to work, and the temperature of the water in the cold water tank is lowered to 4 degrees Celsius, and the cooling is controlled.
  • the module stops working within 5 minutes; when the cooling module is controlled to work again, when the temperature of the water in the cold water tank drops to 2 degrees Celsius, the control refrigeration module stops working; that is, the second-stage cooling and the third-stage cooling are performed in sequence, and two Level cooling.
  • the refrigeration device is controlled to enter the temperature maintenance phase, and a large amount of ultra-low temperature water is maintained for the user. use.
  • the temperature of the water in the cold water tank is greater than or equal to 10 degrees Celsius (ie, the preset temperature threshold in this step), and the cooling module is controlled to work, and the temperature of the water in the cold water tank is When it drops to 6 degrees Celsius, the control cooling module stops working within 5 minutes; when the cooling module is controlled to work again, when the temperature of the water in the cold water tank drops to 4 degrees Celsius, the control refrigeration module stops working within 5 minutes; the cooling module is controlled again.
  • the control refrigeration module stops working, that is, the first stage refrigeration, the second stage refrigeration, and the third stage refrigeration are sequentially performed, and the third stage refrigeration is performed.
  • the refrigeration unit is controlled to enter a temperature maintenance phase, and a large amount of ultra-low temperature water is maintained for the user to reserve.
  • the preset temperature threshold may be set according to a user demand or a type or model of the water dispenser, and when the temperature of the water in the cold water tank is greater than or equal to a preset temperature threshold, the refrigeration device is controlled to have a full cooling level ( For example, the three-stage refrigeration of the above embodiment performs cooling.
  • a refrigeration apparatus control method for a water dispenser controls a refrigeration module to perform operation to cool water in a cold water tank, and to control cooling when a temperature of the water in the cold water tank drops to a first preset temperature
  • the module stops working for the first preset time.
  • the cooling module is controlled to work again to continue cooling the water in the cold water tank, and to control the cooling when the temperature of the water in the cold water tank drops to the nth preset temperature.
  • the module stops working for the nth preset time and judges whether the temperature of the water in the cold water tank reaches the target temperature. When the target temperature is not reached, the above process is repeated.
  • ultra-low temperature cooling is achieved, the refrigeration capacity is improved, and the compressor and condenser are improved while avoiding an increase in the displacement of the compressor and an increase in the size of the condenser and the evaporator. And the working performance of the evaporator ensures the stability of the compressor.
  • the temperature of the water in the cold water tank is controlled to be maintained at the target temperature, and a large amount of ultra-low temperature water is stored for the user to access at any time.
  • the refrigeration apparatus for the water dispenser includes: a cold water tank 1, a refrigeration module 2, and a control module 3.
  • the cooling module 2 is used to cool the water in the cold water tank 1.
  • control module 3 controls the refrigeration module 2 to operate to cool the water in the cold water tank 1, and sequentially performs the following steps:
  • the control module 3 controls the refrigeration module 2 to operate to cool the water in the cold water tank 1.
  • control module 3 controls the refrigeration module 2 to stop operating for the first preset time.
  • control module 3 controls the refrigeration module 2 to operate.
  • the control module 3 controls the refrigeration device to stop for the first preset time.
  • the control module 3 controls the refrigeration module 2 to work again to continue cooling the water in the cold water tank 1.
  • the control module 3 controls the cooling module 2 to stop working for the nth preset time, wherein the nth preset temperature is not greater than the n-1th
  • the preset temperature, n is a positive integer greater than or equal to 2 and less than or equal to N.
  • the control module 3 determines whether the temperature of the water in the cold water tank 1 reaches the target temperature. When the target temperature is not reached, after n is increased by 1, the steps S3-S4 are repeatedly performed, wherein the target temperature is the Nth preset temperature.
  • the refrigeration device restarts the refrigeration device after the first predetermined time of shutdown, and the control module 3 continues to control the cooling module 2 to cool the water in the cold water tank 1, and the temperature of the water in the cold water tank 1 reaches the second temperature.
  • steps S3-S4 are repeatedly executed, that is, the control module 3 controls the refrigeration module 2 to operate again to continue cooling the water in the cold water tank 1, and the water in the cold water tank 1
  • the target temperature that is, the Nth preset temperature.
  • control module 3 is further configured to: during the temperature maintenance phase, when the temperature of the water in the cold water tank 1 is greater than or equal to the N-1 preset temperature, the control module 3 controls the refrigeration module 2 to work again, and in the cold water
  • the control module 3 controls the refrigeration module 2 to stop operating. That is to say, during the storage of the water in the cold water tank 1, the temperature will gradually rise.
  • the control module 3 controls the refrigeration module 2 to work again, and in the cold water tank.
  • the control module 3 controls the refrigeration module 2 to stop operating.
  • the control module 3 controls the temperature of the water in the cold water tank 1 to be maintained at the target temperature, and stores a large amount of ultra-low temperature water for the user to take cold water at any time.
  • the refrigeration device when N is 3, the refrigeration device is three-stage refrigeration, steps S1-S2 are first-stage refrigeration, steps S3-S4 are second-stage refrigeration, and step S5 is third-stage refrigeration.
  • control module 3 is further configured to further acquire the temperature of the water in the cold water tank 1: if the temperature of the water in the cold water tank 1 is less than the second preset temperature, the control module 3 controls the cooling device to enter the temperature maintenance.
  • the control module 3 controls the refrigeration device to perform only the third-stage refrigeration; if the temperature of the water in the cold water tank 1 is greater than or equal to The first preset temperature is less than the preset temperature threshold, and the control module 3 controls the refrigeration device to sequentially perform the second-stage cooling and the third-stage cooling; if the temperature of the water in the cold water tank 1 is greater than or equal to the preset temperature threshold, the control module 3 controls the cooling.
  • the device sequentially performs first stage cooling, second stage cooling, and third stage cooling.
  • the control module 3 controls the refrigeration device to directly enter the temperature maintenance phase, that is, the temperature of the water in the cold water tank is greater than Or equal to the second preset temperature, the control module 3 controls the refrigeration module 2 to operate again, and when the temperature of the water in the cold water tank 1 drops to the target temperature, the control module 3 controls the refrigeration module 2 to stop working to make the cold water tank The temperature of the water in 1 is maintained at the target temperature, so that the user can take cold water at any time.
  • the control module 3 controls the refrigeration module 2 to operate, and when the temperature of the water in the cold water tank drops to the target temperature, The control module 3 controls the refrigeration module 2 to stop working; the control module 3 controls the refrigeration device to enter the temperature maintenance phase to maintain the temperature of the water in the cold water tank 1 at the target temperature, so that the user can take cold water at any time.
  • the control module 3 controls the refrigeration module 2 to operate, and the temperature of the water in the cold water tank 1 is lowered to the second preset.
  • the control module 3 controls the refrigeration module 2 to stop operating within the second preset temperature; the control module 3 controls the refrigeration module 2 to operate again, and when the temperature of the water in the cold water tank 1 drops to the target temperature, the control module 3
  • the control refrigeration module 2 stops working; the control module 3 controls the refrigeration device to enter the temperature maintenance phase to maintain the temperature of the water in the cold water tank 1 at the target temperature, so that the user can take cold water at any time.
  • the control module 3 controls the refrigeration module 2 to operate, and when the temperature of the water in the cold water tank 1 drops to the first preset temperature, the control module 3 controls The refrigeration module 2 stops working within the first preset temperature; the control module 3 controls the refrigeration module 2 to operate again, and when the temperature of the water in the cold water tank 1 drops to the second preset temperature, the control module 3 controls the refrigeration module 2 Stopping the operation within the second preset temperature; the control module 3 controls the refrigeration module 2 to operate again, and when the temperature of the water in the cold water tank 1 drops to the target temperature, the control module 3 controls the refrigeration module 2 to stop working; the control module 3
  • the refrigeration device is controlled to enter a temperature maintenance phase to maintain the temperature of the water in the cold water tank 1 at a target temperature, so that the user can take cold water at any time.
  • the preset temperature threshold may be set according to the user demand or the type or model of the water dispenser.
  • the control module 3 controls the refrigeration device 2 to All of the refrigeration levels (such as the three-stage refrigeration of the above embodiment) are cooled.
  • the preset temperature threshold may be 10 degrees Celsius.
  • the first preset time to the Nth preset time are determined according to the time when the refrigeration module 2 returns from the operating state to the initial state.
  • the first preset time to the Nth preset time may be the same, for example, both are greater than or equal to 2 minutes.
  • a refrigerating apparatus for a water dispenser wherein a cooling module is controlled by a control module to perform cooling to cool water in the cold water tank, and when the temperature of the water in the cold water tank drops to a first preset temperature, control Mode
  • the block control refrigeration module stops working for the first preset time, after which the control module controls the refrigeration module to work again to continue cooling the water in the cold water tank, and the temperature of the water in the cold water tank is lowered to the nth preset
  • the control module controls the refrigeration module to stop working for the nth preset time, and the control module determines whether the temperature of the water in the cold water tank reaches the target temperature, and repeats the above process when the target temperature is not reached.
  • ultra-low temperature cooling is achieved, the refrigeration capacity is improved, and the compressor and condenser are improved while avoiding an increase in the displacement of the compressor and an increase in the size of the condenser and the evaporator. And the working performance of the evaporator ensures the stability of the compressor.
  • the temperature of the water in the cold water tank is controlled to be maintained at the target temperature, and a large amount of ultra-low temperature water is stored for the user to access at any time.
  • the water dispenser 401 includes the above-described refrigeration device 402 for a water dispenser.
  • ultra-low temperature cooling is achieved while avoiding an increase in the displacement of the compressor and an increase in the size of the condenser and the evaporator, and the refrigeration capacity is improved, and The working performance of the compressor, condenser and evaporator is improved, and the stability of the compressor is ensured.
  • a "computer-readable medium” can be any apparatus that can contain, store, communicate, propagate, or transport a program for use in an instruction execution system, apparatus, or device, or in conjunction with the instruction execution system, apparatus, or device.
  • computer readable media include the following: electrical connections (electronic devices) having one or more wires, portable computer disk cartridges (magnetic devices), random access memory (RAM), Read only memory (ROM), erasable editable read only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read only memory (CDROM).
  • the computer readable medium may even be a paper or other suitable medium on which the program can be printed, as it may be optically scanned, for example by paper or other medium, followed by editing, interpretation or, if appropriate, other suitable The method is processed to obtain the program electronically and then stored in computer memory.
  • portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
  • multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals. Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the integrated modules, if implemented in the form of software functional modules and sold or used as stand-alone products, may also be stored in a computer readable storage medium.
  • the above mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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Abstract

一种用于饮水机的制冷装置控制方法、用于饮水机的制冷装置和饮水机，控制方法包括以下步骤：S1、控制制冷模块(2)进行工作以对冷水罐(1)中的水进行降温；S2、在冷水罐(1)中的水的温度降至第1预设温度时，控制制冷模块(2)在第1预设时间内停止工作；S3、控制制冷模块(2)再次进行工作以对冷水罐(1)中的水继续进行降温；S4、在冷水罐(1)中的水的温度降至第n预设温度时，控制制冷模块(2)在第n预设时间内停止工作；S5、判断冷水罐(1)中的水的温度是否达到目标温度，在未达到目标温度时，n增加1后，重复执行步骤S3-S4。由此，通过多级制冷，在避免加大压缩机的排气量、加大冷凝器和蒸发器尺寸的情况下，实现了超低温度制冷，提高了制冷能力。

Description

用于饮水机的制冷装置及其控制方法和饮水机 技术领域
本发明涉及家用电器技术领域，特别涉及一种用于饮水机的制冷装置控制方法、一种用于饮水机的制冷装置及一种饮水机。
背景技术
对于饮水设备行业而言，由于其行业成本因素的限制，相关制冷产品的制冷能力一般设计在2升左右，若再提高制冷水能力，制冷产品所需的成本会大幅增加，从而失去了价格竞争力。
相关技术存在的缺点主要有以下几个方面：
一、现有饮水机冷凝器不能满足超低水的温度的性能要求。由于冷凝器升高到一定温度后，制冷系统内的蒸发温度将不再变化，因此制冷系统失去了调节能力，从而导致长时间的超负荷运行。如果将冷凝器更好为制冷能力更强的冷凝器，虽然能够改善上述情况，但会大幅增加成本。此外，由于饮水机的尺寸都非常小，导致对冷凝器尺寸也有限制。
二、要达到超低水的温度的性能要求，制冷系统的蒸发温度也要设计的很低，因此，所需要的压缩机排气量也相应加大。在现有的饮水机产品中，当要达到超低水的温度的性能要求时，使用压缩机排气量会较大，从而导致产品成本较高。
三、为了与压缩机相匹配，相应蒸发器也要做得非常大、毛细管做得非常长，这些都会带来很大的成本提高的问题。
发明内容
本发明的目的旨在至少在一定程度上解决上述的技术缺陷。
为此，本发明的第一个目的在于提出一种用于饮水机的制冷装置控制方法，通过多级制冷，在避免加大压缩机的排气量、加大冷凝器和蒸发器尺寸的情况下，实现超低水的温度制冷，提高了制冷能力。
本发明的第二个目的在于提出一种用于饮水机的制冷装置。
本发明的第三个目的在于提出一种饮水机。
为达到上述目的，本发明第一方面实施例提出了一种用于饮水机的制冷装置控制 方法，所述制冷装置包括冷水罐和制冷模块，所述控制方法包括以下步骤：S1、控制所述制冷模块进行工作以对所述冷水罐中的水进行降温；S2、在所述冷水罐中的水的温度降至第1预设温度时，控制所述制冷模块在第1预设时间内停止工作；S3、控制所述制冷模块再次进行工作以对所述冷水罐中的水继续进行降温；S4、在所述冷水罐中的水的温度降至第n预设温度时，控制所述制冷模块在第n预设时间内停止工作，其中，所述第n预设温度不大于第n-1预设温度，n大于等于2且小于等于N的正整数；S5、判断所述冷水罐中的水的温度是否达到目标温度，在未达到目标温度时，n增加1后，重复执行所述步骤S3-S4，其中，所述目标温度为第N预设温度。
根据本发明实施例的用于饮水机的制冷装置控制方法，控制制冷模块进行工作以对冷水罐中的水进行降温，在冷水罐中的水的温度降至第1预设温度时，控制制冷模块在第1预设时间内停止工作，之后，控制制冷模块再次进行工作以对冷水罐中的水继续进行降温，并在冷水罐中的水的温度降至第n预设温度时，控制制冷模块在第n预设时间内停止工作，判断冷水罐中的水的温度是否达到目标温度，在未达到目标温度时，n增加1后，重复执行上述过程。因此，通过多级制冷，在避免加大压缩机的排气量、加大冷凝器和蒸发器尺寸的情况下，实现了超低温度制冷，提高了制冷能力，并且，提高了压缩机、冷凝器和蒸发器的工作性能，保证了压缩机的稳定性。
进一步地，当所述饮水机处于温度维持阶段时，所述方法还包括在所述冷水罐中的水的温度大于或等于所述第N-1预设温度时，控制所述制冷模块再次进行工作，并在所述冷水罐中的水的温度降至所述目标温度时，控制所述制冷模块停止工作。从而，控制冷水罐中的水的温度维持在目标温度，存储大量超低温度的水，以备用户随时取用。
优选地，N为3，所述制冷装置为三级制冷，所述步骤S1-S2为第一级制冷，所述步骤S3-S4为第二级制冷，所述步骤S5为第三级制冷。
进一步地，所述的用于饮水机的制冷装置控制方法还包括：在用户取水后，进一步获取所述冷水罐中的水的温度；如果所述冷水罐中的水的温度小于所述第2预设温度，则进入所述温度维持阶段；如果所述冷水罐中的水的温度大于等于所述第2预设温度且小于所述第1预设温度，则仅执行所述第三级制冷；如果所述冷水罐中的水的温度大于等于所述第1预设温度小于预设温度阈值，则依次执行所述第二级制冷和所述第三级制冷；如果所述冷水罐中的水的温度大于等于所述预设温度阈值，则依次执行所述第一级制冷、所述第二级制冷和所述第三级制冷。
具体地，所述第1预设时间至第N预设时间根据所述制冷模块由工作状态恢复到初始状态的时间确定。
为达到上述目的，本发明第二方面实施例提出的一种用于饮水机的制冷装置，包括：冷水罐；制冷模块，所述制冷模块用于对所述冷水罐中的水进行降温；控制模块，所述控制模块控制所述制冷模块进行工作以对所述冷水罐中的水进行降温，并依次执行以下步骤：S1、所述控制模块控制所述制冷模块进行工作以对所述冷水罐中的水进行降温；S2、在所述冷水罐中的水的温度降至第1预设温度时，所述控制模块控制所述制冷模块在第1预设时间内停止工作；S3、所述控制模块控制所述制冷模块再次进行工作以对所述冷水罐中的水继续进行降温；S4、在所述冷水罐中的水的温度降至第n预设温度时，所述控制模块控制所述制冷模块在第n预设时间内停止工作，其中，所述第n预设温度不大于第n-1预设温度，n大于等于2且小于等于N的正整数；S5、判断所述冷水罐中的水的温度是否达到目标温度，在未达到目标温度时，n增加1后，重复执行所述步骤S3-S4，其中，所述目标温度为第N预设温度。
根据本发明实施例的用于饮水机的制冷装置，通过控制模块控制制冷模块进行工作以对冷水罐中的水进行降温，在冷水罐中的水的温度降至第1预设温度时，控制模块控制制冷模块在第1预设时间内停止工作，之后，控制模块控制制冷模块再次进行工作以对冷水罐中的水继续进行降温，并在冷水罐中的水的温度降至第n预设温度时，控制模块控制制冷模块在第n预设时间内停止工作，并且控制模块判断冷水罐中的水的温度是否达到目标温度，在未达到目标温度时，n增加1后，重复执行上述过程。因此，通过多级制冷，在避免加大压缩机的排气量、加大冷凝器和蒸发器尺寸的情况下，实现了超低温度制冷，提高了制冷能力，并且，提高了压缩机、冷凝器和蒸发器的工作性能，保证了压缩机的稳定性。
进一步地，所述控制模块还用于在所述冷水罐中的水的温度大于或等于所述第N-1预设温度时，所述控制模块控制所述制冷模块再次进行工作，并在所述冷水罐中的水的温度降至所述目标温度时，所述控制模块控制所述制冷模块停止工作。从而，控制冷水罐中的水的温度维持在目标温度，存储大量超低温度的水，以备用户随时取用。
优选地，N为3，所述制冷装置为三级制冷，所述步骤S1-S2为第一级制冷，所述步骤S3-S4为第二级制冷，所述步骤S5为第三级制冷。
进一步地，所述控制模块还用于还包括：进一步获取所述冷水罐中的水的温度；如果所述冷水罐中的水的温度小于所述第2预设温度，则进入所述温度维持阶段；如果所述冷水罐中的水的温度大于等于所述第2预设温度且小于所述第1预设温度，则执行所述第三级制冷；如果所述冷水罐中的水的温度大于等于所述第1预设温度小于预设温度阈值，则执行所述第二级制冷和所述第三级制冷；如果所述冷水罐中的水的温度大于等于所述预设温度阈值，则执行所述第一级制冷、所述第二级制冷和所述第 三级制冷。
具体地，所述第1预设时间至第N预设时间根据所述制冷模块由工作状态恢复到初始状态的时间确定。
为达到上述目的，本发明第三方面实施例提出了一种饮水机，包括所述的用于饮水机的制冷装置。
根据本发明实施例的饮水机，通过多级制冷，在避免加大压缩机的排气量、加大冷凝器和蒸发器尺寸的情况下，实现了超低温度制冷，提高了制冷能力，并且，提高了压缩机、冷凝器和蒸发器的工作性能，保证了压缩机的稳定性。
本发明附加的方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：
图1为根据本发明实施例的用于饮水机的制冷装置控制方法的流程图；
图2为根据本发明一个具体实施例的用于饮水机的制冷装置控制方法的流程图；
图3为根据本发明实施例的用于饮水机的制冷装置的方框示意图；以及
图4为根据本发明实施例的饮水机的方框示意图。
附图标记：
冷水罐1、制冷模块2、控制模块3、饮水机401和用于饮水机的制冷装置402。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能解释为对本发明的限制。
下文的公开提供了许多不同的实施例或例子用来实现本发明的不同结构。为了简化本发明的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本发明。此外，本发明可以在不同例子中重复参考数字和/或字母。这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施例和/或设置之间的关系。此外，本发明提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的可应用于性和/或其他材料的使用。另外，以下描述的第一特 征在第二特征之“上”的结构可以包括第一和第二特征形成为直接接触的实施例，也可以包括另外的特征形成在第一和第二特征之间的实施例，这样第一和第二特征可能不是直接接触。
在本发明的描述中，需要说明的是，除非另有规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是机械连接或电连接，也可以是两个元件内部的连通，可以是直接相连，也可以通过中间媒介间接相连，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语的具体含义。
参照下面的描述和附图，将清楚本发明的实施例的这些和其他方面。在这些描述和附图中，具体公开了本发明的实施例中的一些特定实施方式，来表示实施本发明的实施例的原理的一些方式，但是应当理解，本发明的实施例的范围不受此限制。相反，本发明的实施例包括落入所附加权利要求书的精神和内涵范围内的所有变化、修改和等同物。
下面参照附图来描述根据本发明实施例提出的用于饮水机的制冷装置、用于饮水机的制冷装置控制方法及饮水机。
图1为根据本发明实施例的用于饮水机的制冷装置控制方法的流程图。制冷装置包括制冷模块和饮水机，如图1所示，用于饮水机的制冷装置控制方法包括以下步骤：
S1：控制制冷模块进行工作以对冷水罐中的水进行降温。
S2：在冷水罐中的水的温度降至第1预设温度时，控制制冷模块在第1预设时间内停止工作。
也就是说，首先控制制冷模块进行工作，在将冷水罐中的常温水的温度降低到第1预设温度时，控制制冷装置停机一定的时间，例如第1预设时间。
S3：控制制冷模块再次进行工作以对冷水罐中的水继续进行降温。
S4：在冷水罐中的水的温度降至第n预设温度时，控制制冷模块在第n预设时间内停止工作。
其中，第n预设温度不大于第n-1预设温度，n大于等于2且小于等于N的正整数。
S5：判断冷水罐中的水的温度是否达到目标温度，在未达到目标温度时，n增加1后，重复执行步骤S3-S4，其中，目标温度为第N预设温度。
具体而言，制冷装置在停机第1预设时间后，重新启动制冷装置，继续控制制冷模块对冷水罐中的水进行降温，在冷水罐中的水的温度达到第2预设温度时，制冷装置停机第2预设时间。如果第2预设温度达到了目标温度，则无需重复执行步骤S3-S4，就可完成制冷过程，即N＝2，可以称为二级制冷。
如果第2预设温度未达到目标温度，n增加1后，则重复执行步骤S3-S4，即控制 制冷模块再次进行工作以对冷水罐中的水继续进行降温，并在冷水罐中的水的温度降至第3预设温度时，控制制冷模块在第3预设时间内停止工作。如果第3预设温度达到了目标温度，则完成制冷过程，即N＝3，可以称为三级制冷。
由此，重复执行步骤S3-S4，如果第4预设温度达到了目标温度，即N＝4，可以称为四级制冷。以此类推，直到冷水罐中的水的温度达到目标温度，即第N预设温度。
进一步地，当饮水机处于温度维持阶段时，上述方法在温度维持阶段，即在步骤S5之后，还包括：在冷水罐中的水的温度大于或等于第N-1预设温度时，控制制冷模块再次进行工作，并在冷水罐中的水的温度降至目标温度时，控制制冷模块停止工作。也就是说，冷水罐中的水在储存过程中，温度会逐渐上升，在水的温度上升至第N-1预设温度时，控制制冷模块再次进行工作，并在冷水罐中的水的温度降至目标温度时，控制制冷模块停止工作。从而，使得冷水罐中的水的温度维持在目标温度，存储大量超低温度的水，以备用户随时取用冷水。
在本发明一个实施例中，在N为3时，制冷装置为三级制冷，步骤S1-S2为第一级制冷，步骤S3-S4为第二级制冷，步骤S5为第三级制冷。
进一步地，上述的用于饮水机的制冷装置控制方法还包括，在用户取水后，进一步获取冷水罐中的水的温度：如果冷水罐中的水的温度小于第2预设温度，进入温度维持阶段；如果冷水罐中的水的温度大于等于第2预设温度且小于第1预设温度，仅执行第三级制冷；如果冷水罐中的水的温度大于等于第1预设温度小于预设温度阈值，依次执行第二级制冷和第三级制冷；如果冷水罐中的水的温度大于等于预设温度阈值，依次执行第一级制冷、第二级制冷和第三级制冷。
可以理解的是，用户冷水罐中取水的水量越大，冷水罐中的水的温度上升的越多。由此，在用户取水后，如果冷水罐中的水的温度大于目标温度且小于第2预设温度，直接进入温度维持阶段，即在冷水罐中的水的温度大于或等于第2预设温度时，控制制冷模块再次进行工作，并在冷水罐中的水的温度降至目标温度时，控制制冷模块停止工作，使得冷水罐中的水的温度维持在目标温度，以备用户随时取用冷水。
如果冷水罐中的水的温度大于第2预设温度且小于等于第1预设温度，则控制制冷模块进行工作，并在冷水罐中的水的温度降至目标温度时，控制制冷模块停止工作；进入温度维持阶段，控制冷水罐中的水的温度维持在目标温度，以备用户随时取用冷水。
如果冷水罐中的水的温度大于第1预设温度且小于等于预设温度阈值，则控制制冷模块进行工作，并在冷水罐中的水的温度降至第2预设温度时，控制制冷模块在第2预设温度内停止工作；控制制冷模块再次进行工作，并在冷水罐中的水的温度降至目 标温度时，控制制冷模块停止工作；进入温度维持阶段，控制冷水罐中的水的温度维持在目标温度，以备用户随时取用冷水。
如果冷水罐中的水的温度大于等于预设温度阈值，则控制制冷模块进行工作，并在冷水罐中的水的温度降至第1预设温度时，控制制冷模块在第1预设温度内停止工作；控制制冷模块再次进行工作，并在冷水罐中的水的温度降至第2预设温度时，控制制冷模块在第2预设温度内停止工作；控制制冷模块再次进行工作，并在冷水罐中的水的温度降至目标温度时，控制制冷模块停止工作；进入温度维持阶段，控制冷水罐中的水的温度维持在目标温度，以备用户随时取用冷水。
另外，需要说明的是，第1预设时间至第N预设时间根据制冷模块由工作状态恢复到初始状态的时间确定。优选地，第1预设时间至第N预设时间可以均相同，例如均大于等于2分钟。
下面以三级制冷为例来描述本发明实施例的用于饮水机的制冷装置控制方法，如图2所示，用于饮水机的制冷装置控制方法具体包括以下步骤：
S201：控制制冷模块进行工作。
S202：冷水罐中的水的温度降至第1预设温度。
其中，第1预设温度可以为6摄氏度。例如，冷水罐中的水的温度从常温降至6摄氏度，此阶段可以称为薄冰阶段或者浅冷世界。
S203：控制制冷模块停止工作第1预设时间。
其中，第1预设时间可以为5分钟。在制冷模块停止工作5分钟后，冷水罐中的水的温度稍有上升，例如，此时水的温度可以在6摄氏度至10摄氏度之间。
S204：控制制冷模块再次进行工作。
S205：冷水罐中的水的温度降至第2预设温度。
其中，第2预设温度可以为4摄氏度。例如，冷水罐中的水的温度从6摄氏度降至4摄氏度。并且，冷水罐中的水的温度从第1预设温度降至第2预设温度的阶段可以称为冰块阶段或者中冷世界。
S206：控制制冷模块停止工作第2预设时间。
其中，第2预设时间可以为5分钟。在制冷模块停止工作5分钟后，冷水罐中的水的温度稍有上升，例如，此时水的温度可以在4摄氏度至6摄氏度之间。
S207：控制制冷模块再次进行工作。
S208：冷水罐中的水的温度降至目标温度。
其中，目标温度可以为2摄氏度。冷水罐中的水的温度从4摄氏度降至2摄氏度。并且，冷水罐中的水的温度从第2预设温度降至目标温度的阶段可以称为储冰阶段或 者深冷世界。
S209：控制制冷模块停止工作。
S210：判断冷水罐中的水的温度是否大于或等于第2预设温度。如果是，则执行步骤S207；如果否，则执行步骤S211。
也就是说，控制冷水罐中的水的温度停留在储冰阶段或者深冷世界的状态，在水的温度上升到4摄氏度，控制制冷模块进行工作，在水的温度达到2摄氏度时，控制制冷模块停止工作，从而随时储存大量超低水温的水给用户备用。
S211：判断用户是否在取水。如果是，则执行步骤S212；如果否，则返回步骤S210。
S212：在用户取水后，获取冷水罐中的水的温度。如果冷水罐中的水的温度大于目标温度且小于第2预设温度，执行步骤S213；如果冷水罐中的水的温度大于等于第2预设温度且小于第1预设温度，执行步骤S214；如果冷水罐中的水的温度大于等于第1预设温度小于预设温度阈值，执行步骤S215；如果冷水罐中的水的温度大于等于预设温度阈值时，执行步骤S216。
其中，预设温度阈值可以为10摄氏度。
S213：冷水罐中的水的温度大于目标温度且小于第2预设温度，返回步骤S210。
当用户用水量非常小时，取完水后，冷水罐中的水的温度没有升到4摄氏度，制冷模块进入温度维持阶段，在水的温度上升到4摄氏度，控制制冷模块进行工作，在水的温度达到2摄氏度时，控制制冷模块停止工作，从而随时储存大量超低水温的水给用户备用。
S214：冷水罐中的水的温度大于等于第2预设温度且小于第1预设温度，返回步骤S207。
当用户用水量较小时，取完水后，冷水罐中的水的温度大于4摄氏度且小于等于6摄氏度时，控制制冷模块进行工作，冷水罐中的水的温度降至2摄氏度时，控制制冷模块停止工作，也就是仅执行第三级制冷。之后，控制制冷装置进入温度维持阶段，保持大量超低温度的水给用户备用。
S215：冷水罐中的水的温度大于等于第1预设温度小于预设温度阈值，返回步骤S204。
当用户用水量一般时，取完水后，冷水罐中的水的温度大于6摄氏度且小于等于10摄氏度时，控制制冷模块进行工作，冷水罐中的水的温度降至4摄氏度时，控制制冷模块在5分钟内停止工作；控制制冷模块再次进行工作，冷水罐中的水的温度降至2摄氏度时，控制制冷模块停止工作；也就是依次执行第二级制冷和第三级制冷，进行两级制冷。之后，控制制冷装置进入温度维持阶段，保持大量超低温度的水给用户备 用。
S216：冷水罐中的水的温度大于等于预设温度阈值，返回步骤S201。
当用户用水量很大时，取完水后，冷水罐中的水的温度大于等于10摄氏度(即本步骤中的预设温度阈值)时，控制制冷模块进行工作，冷水罐中的水的温度降至6摄氏度时，控制制冷模块在5分钟内停止工作；控制制冷模块再次进行工作，冷水罐中的水的温度降至4摄氏度时，控制制冷模块在5分钟内停止工作；控制制冷模块再次进行工作，冷水罐中的水的温度降至2摄氏度时，控制制冷模块停止工作，也就是依次执行第一级制冷、第二级制冷和第三级制冷，进行三级制冷。之后，控制制冷装置进入温度维持阶段，保持大量超低温度的水给用户备用。在本发明的实施例中，预设温度阈值可根据用户需求或饮水机的类型或型号进行设置，当冷水罐中水的温度大于等于预设温度阈值时，控制制冷装置以全部的制冷级别(例如上述实施例的三级制冷)进行制冷。
根据本发明实施例的用于饮水机的制冷装置控制方法，控制制冷模块进行工作以对冷水罐中的水进行降温，在冷水罐中的水的温度降至第1预设温度时，控制制冷模块在第1预设时间内停止工作，之后，控制制冷模块再次进行工作以对冷水罐中的水继续进行降温，并在冷水罐中的水的温度降至第n预设温度时，控制制冷模块在第n预设时间内停止工作，并判断冷水罐中的水的温度是否达到目标温度，在未达到目标温度时，重复执行上述过程。因此，通过多级制冷，在避免加大压缩机的排气量、加大冷凝器和蒸发器尺寸的情况下，实现了超低温度制冷，提高了制冷能力，并且，提高了压缩机、冷凝器和蒸发器的工作性能，保证了压缩机的稳定性。另外，还控制冷水罐中的水的温度维持在目标温度，存储大量超低温度的水，以备用户随时取用。
图3为根据本发明实施例的用于饮水机的制冷装置的方框示意图。如图3所示，用于饮水机的制冷装置包括：冷水罐1、制冷模块2和控制模块3。其中，制冷模块2用于对冷水罐1中的水进行降温。
如图3所示，控制模块3控制制冷模块2进行工作以对冷水罐1中的水进行降温，并依次执行以下步骤：
S1、控制模块3控制制冷模块2进行工作以对冷水罐1中的水进行降温。
S2、在冷水罐1中的水的温度降至第1预设温度时，控制模块3控制制冷模块2在第1预设时间内停止工作。
也就是说，首先控制模块3控制制冷模块2进行工作，在将冷水罐1中的常温水的温度降低到第1预设温度时，控制模块3控制制冷装置停机第1预设时间。
S3、控制模块3控制制冷模块2再次进行工作以对冷水罐1中的水继续进行降温。
S4、在冷水罐1中的水的温度降至第n预设温度时，控制模块3控制制冷模块2在第n预设时间内停止工作，其中，第n预设温度不大于第n-1预设温度，n大于等于2且小于等于N的正整数。
S5、控制模块3判断冷水罐1中的水的温度是否达到目标温度，在未达到目标温度时，n增加1后，重复执行步骤S3-S4，其中，目标温度为第N预设温度。
也就是说，制冷装置在停机第1预设时间后，重新启动制冷装置，控制模块3继续控制制冷模块2对冷水罐1中的水进行降温，在冷水罐1中的水的温度达到第2预设温度时，制冷装置停机第2预设时间。如果第2预设温度达到了目标温度，则无需重复执行步骤S3-S4，就可完成制冷过程，即N＝2，可以称为二级制冷。
如果第2预设温度未达到目标温度，则重复执行步骤S3-S4，即控制模块3控制制冷模块2再次进行工作以对冷水罐1中的水继续进行降温，并在冷水罐1中的水的温度降至第3预设温度时，控制模块3控制制冷模块2在第3预设时间内停止工作。如果第3预设温度达到了目标温度，则完成制冷过程，即N＝3，可以称为三级制冷。
由此，重复执行步骤S3-S4，如果第4预设温度达到了目标温度，即N＝4，可以称为四级制冷。以此类推，直到冷水罐1中的水的温度达到目标温度，即第N预设温度。
进一步地，控制模块3还用于：在温度维持阶段，在冷水罐1中的水的温度大于或等于第N-1预设温度时，控制模块3控制制冷模块2再次进行工作，并在冷水罐1中的水的温度降至目标温度时，控制模块3控制制冷模块2停止工作。也就是说，冷水罐1中的水在储存过程中，温度会逐渐上升，在水的温度上升至第N-1预设温度时，控制模块3控制制冷模块2再次进行工作，并在冷水罐1中的水的温度降至目标温度时，控制模块3控制制冷模块2停止工作。从而，控制模块3控制冷水罐1中的水的温度维持在目标温度，存储大量超低温度的水，以备用户随时取用冷水。
在本发明一个实施例中，在N为3时，制冷装置为三级制冷，步骤S1-S2为第一级制冷，步骤S3-S4为第二级制冷，步骤S5为第三级制冷。
进一步地，在用户取水后，控制模块3还用于进一步获取冷水罐1中的水的温度：如果冷水罐1中的水的温度小于第2预设温度，控制模块3控制制冷装置进入温度维持阶段；如果冷水罐1中的水的温度大于等于第2预设温度且小于第1预设温度，控制模块3控制制冷装置仅执行第三级制冷；如果冷水罐1中的水的温度大于等于第1预设温度小于预设温度阈值，控制模块3控制制冷装置依次执行第二级制冷和第三级制冷；如果冷水罐1中的水的温度大于等于预设温度阈值，控制模块3控制制冷装置依次执行第一级制冷、第二级制冷和第三级制冷。
可以理解的是，用户冷水罐1中取水的水量越大，冷水罐1中的水的温度上升的 越多。由此，在用户取水后，如果冷水罐1中的水的温度大于目标温度且小于第2预设温度，控制模块3控制制冷装置直接进入温度维持阶段，即在冷水罐中的水的温度大于或等于第2预设温度时，控制模块3控制制冷模块2再次进行工作，并在冷水罐1中的水的温度降至目标温度时，控制模块3控制制冷模块2停止工作，以使冷水罐1中的水的温度维持在目标温度，以备用户随时取用冷水。
如果冷水罐1中的水的温度大于第2预设温度且小于等于第1预设温度，则控制模块3控制制冷模块2进行工作，并在冷水罐中的水的温度降至目标温度时，控制模块3控制制冷模块2停止工作；控制模块3控制制冷装置进入温度维持阶段，以使冷水罐1中的水的温度维持在目标温度，以备用户随时取用冷水。
如果冷水罐1中的水的温度大于第1预设温度且小于等于预设温度阈值，则控制模块3控制制冷模块2进行工作，并在冷水罐1中的水的温度降至第2预设温度时，控制模块3控制制冷模块2在第2预设温度内停止工作；控制模块3控制制冷模块2再次进行工作，并在冷水罐1中的水的温度降至目标温度时，控制模块3控制制冷模块2停止工作；控制模块3控制制冷装置进入温度维持阶段，以使冷水罐1中的水的温度维持在目标温度，以备用户随时取用冷水。
如果冷水罐1中的水的温度大于等于预设温度阈值，则控制模块3控制制冷模块2进行工作，并在冷水罐1中的水的温度降至第1预设温度时，控制模块3控制制冷模块2在第1预设温度内停止工作；控制模块3控制制冷模块2再次进行工作，并在冷水罐1中的水的温度降至第2预设温度时，控制模块3控制制冷模块2在第2预设温度内停止工作；控制模块3控制制冷模块2再次进行工作，并在冷水罐1中的水的温度降至目标温度时，控制模块3控制制冷模块2停止工作；控制模块3控制制冷装置进入温度维持阶段，以使冷水罐1中的水的温度维持在目标温度，以备用户随时取用冷水。
在本发明的实施例中，预设温度阈值可根据用户需求或饮水机的类型或型号进行设置，当冷水罐1中水的温度大于等于预设温度阈值时，控制模块3控制制冷装置2以全部的制冷级别(例如上述实施例的三级制冷)进行制冷。优选地，预设温度阈值可以为10摄氏度。
另外，需要说明的是，第1预设时间至第N预设时间根据制冷模块2由工作状态恢复到初始状态的时间确定。优选地，第1预设时间至第N预设时间可以均相同，例如均大于等于2分钟。
根据本发明实施例的用于饮水机的制冷装置，通过控制模块控制制冷模块进行工作以对冷水罐中的水进行降温，在冷水罐中的水的温度降至第1预设温度时，控制模 块控制制冷模块在第1预设时间内停止工作，之后，控制模块控制制冷模块再次进行工作以对冷水罐中的水继续进行降温，并在冷水罐中的水的温度降至第n预设温度时，控制模块控制制冷模块在第n预设时间内停止工作，并且控制模块判断冷水罐中的水的温度是否达到目标温度，在未达到目标温度时，重复执行上述过程。因此，通过多级制冷，在避免加大压缩机的排气量、加大冷凝器和蒸发器尺寸的情况下，实现了超低温度制冷，提高了制冷能力，并且，提高了压缩机、冷凝器和蒸发器的工作性能，保证了压缩机的稳定性。另外，还控制冷水罐中的水的温度维持在目标温度，存储大量超低温度的水，以备用户随时取用。
图4为根据本发明实施例的饮水机的方框示意图。如图4所示，饮水机401包括上述的用于饮水机的制冷装置402。
根据本发明实施例的饮水机，通过多级制冷，在避免加大压缩机的排气量、加大冷凝器和蒸发器尺寸的情况下，实现了超低温度制冷，提高了制冷能力，并且，提高了压缩机、冷凝器和蒸发器的工作性能，保证了压缩机的稳定性。另外，还能够存储大量超低温度的水，以备用户随时取用。
流程图中或在此以其他方式描述的任何过程或方法描述可以被理解为，表示包括一个或更多个用于实现特定逻辑功能或过程的步骤的可执行指令的代码的模块、片段或部分，并且本发明的优选实施方式的范围包括另外的实现，其中可以不按所示出或讨论的顺序，包括根据所涉及的功能按基本同时的方式或按相反的顺序，来执行功能，这应被本发明的实施例所属技术领域的技术人员所理解。
在流程图中表示或在此以其他方式描述的逻辑和/或步骤，例如，可以被认为是用于实现逻辑功能的可执行指令的定序列表，可以具体实现在任何计算机可读介质中，以供指令执行系统、装置或设备(如基于计算机的系统、包括处理器的系统或其他可以从指令执行系统、装置或设备取指令并执行指令的系统)使用，或结合这些指令执行系统、装置或设备而使用。就本说明书而言，"计算机可读介质"可以是任何可以包含、存储、通信、传播或传输程序以供指令执行系统、装置或设备或结合这些指令执行系统、装置或设备而使用的装置。计算机可读介质的更具体的示例(非穷尽性列表)包括以下：具有一个或多个布线的电连接部(电子装置)，便携式计算机盘盒(磁装置)，随机存取存储器(RAM)，只读存储器(ROM)，可擦除可编辑只读存储器(EPROM或闪速存储器)，光纤装置，以及便携式光盘只读存储器(CDROM)。另外，计算机可读介质甚至可以是可在其上打印所述程序的纸或其他合适的介质，因为可以例如通过对纸或其他介质进行光学扫描，接着进行编辑、解译或必要时以其他合适方式进行处理来以电子方式获得所述程序，然后将其存储在计算机存储器中。
应当理解，本发明的各部分可以用硬件、软件、固件或它们的组合来实现。在上述实施方式中，多个步骤或方法可以用存储在存储器中且由合适的指令执行系统执行的软件或固件来实现。例如，如果用硬件来实现，和在另一实施方式中一样，可用本领域公知的下列技术中的任一项或他们的组合来实现：具有用于对数据信号实现逻辑功能的逻辑门电路的离散逻辑电路，具有合适的组合逻辑门电路的专用集成电路，可编程门阵列(PGA)，现场可编程门阵列(FPGA)等。
本技术领域的普通技术人员可以理解实现上述实施例方法携带的全部或部分步骤是可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，该程序在执行时，包括方法实施例的步骤之一或其组合。
此外，在本发明各个实施例中的各功能单元可以集成在一个处理模块中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。所述集成的模块如果以软件功能模块的形式实现并作为独立的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。
上述提到的存储介质可以是只读存储器，磁盘或光盘等。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同限定。

Claims (11)

  1. 一种用于饮水机的制冷装置控制方法，其特征在于，所述制冷装置包括冷水罐和制冷模块，所述控制方法包括以下步骤：
    S1、控制所述制冷模块进行工作以对所述冷水罐中的水进行降温；
    S2、在所述冷水罐中的水的温度降至第1预设温度时，控制所述制冷模块在第1预设时间内停止工作；
    S3、控制所述制冷模块再次进行工作以对所述冷水罐中的水继续进行降温；
    S4、在所述冷水罐中的水的温度降至第n预设温度时，控制所述制冷模块在第n预设时间内停止工作，其中，所述第n预设温度不大于第n-1预设温度，n大于等于2且小于等于N的正整数；
    S5、判断所述冷水罐中的水的温度是否达到目标温度，在未达到目标温度时，n增加1后，重复执行所述步骤S3-S4，其中，所述目标温度为第N预设温度。
  2. 如权利要求1所述的用于饮水机的制冷装置控制方法，其特征在于，当所述饮水机处于温度维持阶段时，所述方法还包括：
    在所述冷水罐中的水的温度大于或等于所述第N-1预设温度时，控制所述制冷模块再次进行工作，并在所述冷水罐中的水的温度降至所述目标温度时，控制所述制冷模块停止工作。
  3. 如权利要求2所述的用于饮水机的制冷装置控制方法，其特征在于，其中，N为3，所述制冷装置为三级制冷，所述步骤S1-S2为第一级制冷，所述步骤S3-S4为第二级制冷，所述步骤S5为第三级制冷。
  4. 如权利要求3所述的用于饮水机的制冷装置控制方法，其特征在于，还包括：
    在用户取水后，进一步获取所述冷水罐中的水的温度；
    如果所述冷水罐中的水的温度小于所述第2预设温度，则进入所述温度维持阶段；
    如果所述冷水罐中的水的温度大于等于所述第2预设温度且小于所述第1预设温度，则仅执行所述第三级制冷；
    如果所述冷水罐中的水的温度大于等于所述第1预设温度小于预设温度阈值，则依次执行所述第二级制冷和所述第三级制冷；以及
    如果所述冷水罐中的水的温度大于等于所述预设温度阈值，则依次执行所述第一级制冷、所述第二级制冷和所述第三级制冷。
  5. 如权利要求1所述的用于饮水机的制冷装置控制方法，其特征在于，其中，
    所述第1预设时间至第N预设时间根据所述制冷模块由工作状态恢复到初始状态的时间确定。
  6. 一种用于饮水机的制冷装置，其特征在于，包括：
    冷水罐；
    制冷模块，所述制冷模块用于对所述冷水罐中的水进行降温；
    控制模块，所述控制模块控制所述制冷模块进行工作以对所述冷水罐中的水进行降温，并依次执行以下步骤：
    S1、所述控制模块控制所述制冷模块进行工作以对所述冷水罐中的水进行降温；
    S2、在所述冷水罐中的水的温度降至第1预设温度时，所述控制模块控制所述制冷模块在第1预设时间内停止工作；
    S3、所述控制模块控制所述制冷模块再次进行工作以对所述冷水罐中的水继续进行降温；
    S4、在所述冷水罐中的水的温度降至第n预设温度时，所述控制模块控制所述制冷模块在第n预设时间内停止工作，其中，所述第n预设温度不大于第n-1预设温度，n大于等于2且小于等于N的正整数；
    S5、所述控制模块判断所述冷水罐中的水的温度是否达到目标温度，在未达到目标温度时，n增加1后，重复执行所述步骤S3-S4，其中，所述目标温度为第N预设温度。
  7. 如权利要求6所述的用于饮水机的制冷装置，其特征在于，所述控制模块，还用于：
    在所述冷水罐中的水的温度大于或等于所述第N-1预设温度时，控制所述制冷模块再次进行工作，并在所述冷水罐中的水的温度降至所述目标温度时，控制所述制冷模块停止工作。
  8. 如权利要求7所述的用于饮水机的制冷装置，其特征在于，其中，N为3，所述制冷装置为三级制冷，所述步骤S1-S2为第一级制冷，所述步骤S3-S4为第二级制冷，所述步骤S5为第三级制冷。
  9. 如权利要求8所述的用于饮水机的制冷装置，其特征在于，所述控制模块还用于进一步获取所述冷水罐中的水的温度，并且
    如果所述冷水罐中的水的温度小于所述第2预设温度，则进入所述温度维持阶段；如果所述冷水罐中的水的温度大于等于所述第2预设温度且小于所述第1预设温度，则执行所述第三级制冷；
    如果所述冷水罐中的水的温度大于等于所述第1预设温度小于预设温度阈值，则 执行所述第二级制冷和所述第三级制冷；以及
    如果所述冷水罐中的水的温度大于等于所述预设温度阈值，则执行所述第一级制冷、所述第二级制冷和所述第三级制冷。
  10. 如权利要求6所述的用于饮水机的制冷装置，其特征在于，其中，
    所述第1预设时间至第N预设时间根据所述制冷模块由工作状态恢复到初始状态的时间确定。
  11. 一种饮水机，其特征在于，包括6-10任一项所述的用于饮水机的制冷装置。
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