CN102308166A - Refrigeration device, in particular household refrigeration device, and method for controlling a refrigeration device - Google Patents

Refrigeration device, in particular household refrigeration device, and method for controlling a refrigeration device Download PDF

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Publication number
CN102308166A
CN102308166A CN2010800069045A CN201080006904A CN102308166A CN 102308166 A CN102308166 A CN 102308166A CN 2010800069045 A CN2010800069045 A CN 2010800069045A CN 201080006904 A CN201080006904 A CN 201080006904A CN 102308166 A CN102308166 A CN 102308166A
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CN
China
Prior art keywords
operator scheme
compressor
fan
time
interval
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.)
Pending
Application number
CN2010800069045A
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Chinese (zh)
Inventor
H·科诺帕
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of CN102308166A publication Critical patent/CN102308166A/en
Pending legal-status Critical Current

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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
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • 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
    • F25B2600/00—Control issues
    • F25B2600/11—Fan speed control
    • F25B2600/112—Fan speed control of evaporator fans
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/28—Quick cooling
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature

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  • 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 relates to a refrigeration device, in particular a household refrigeration device, comprising a refrigerant circuit (11), in which an evaporator (9) and a compressor (13) are connected, a control unit (17), with which a refrigeration power that can be introduced into the refrigerating chamber (3) can be controlled by connecting and disconnecting the compressor (13), and a fan (21) for creating an air flow (23) in the refrigerating chamber (3). The control unit (17) controls an actual temperature (Tist) in the refrigerating chamber (3) in a first operational mode (I) to a first target temperature (TS1) and in a second operational mode (II) controls the temperature to a second reduced target temperature (TS2) for faster cooling of goods to be refrigerated. According to the invention, in the second operational mode (II) a running time interval (DeltatL2) of the fan (21) at least partially overlaps an idle time interval (DeltatL2) of the compressor (13) in terms of time.

Description

Refrigerating plant, the control method of household refrigerating device and refrigerating plant especially
Technical field
The present invention relates to the refrigerating plant as described in the preamble of claim 1, household refrigerating device especially; The invention still further relates to the method that is used to control refrigerating plant according to claim 9.
Background technology
When consumer organization estimates refrigerating plant, refrigerating capacity (cooling power), soon newly be incorporated into article in the cool room and be cooled to the required time of storing temperature from environment temperature and more and more value.In order to increase refrigerating capacity, the refrigerating plant of electric control has but function of so-called supercool, and in this function, normal cool room temperature is reduced to the coldest controller design temperature in the preset time section, and continues normal running then.
By means of the control device of traditional refrigerating plant, the refrigerating capacity that is incorporated in the cool room can be through making compressor start and shutdown control.In addition, traditional refrigerating plant has the cool room fan, and wherein said fan can produce the air-flow in the cool room.In first operator scheme, control device can be located at selected temperature, and in second operational mode, control device can be located at the selected temperature of reduction.
For the further increase of the refrigerating capacity of refrigerating plant, the device feature relevant with power of refrigerating plant is can size bigger, and for example, the compressor with bigger output can be used.Yet this has caused the permanent increase of the energy consumption of refrigerating plant.
Summary of the invention
The object of the present invention is to provide a kind of refrigerating plant and a kind of method that is used to control this refrigerating plant, wherein refrigerating capacity obtains increasing and can significantly not increase total energy consumption.
The object of the invention is realized through the characteristic of claim 1 or 9.Favourable remodeling of the present invention is disclosed in the dependent claims.
According to the characteristic of claim 1, the control device of control fan is designed to, and in second operator scheme, interval running time of fan is overlapping at least in part with the idle interval of compressor in time.This means in the compressor process of standby time, have stronger heat transfer from the thermal region of cool room to the cool room sensor that detects the actual temperature in the cool room.In the compressor process of standby time, the actual temperature that detects by the cool room sensor thereby can more promptly reach predetermined turn-on temperature, at said predetermined turn-on temperature, control device is started shooting compressor once more.Compared with prior art, compressor thereby earlier start once more of quilt in second operator scheme, thereby the article that newly are incorporated in the cool room will be by cooling more promptly.
Adopt the control mode of the present invention of fan and compressor; In the process of second operator scheme; Refrigerating capacity can be only in second operator scheme, that is to say at supercool and increase clearly when but function excites that and the refrigerating capacity in the normal mode is still identical.This means that in normal mode the energy consumption of refrigerating plant does not have extra increase.
According to the present invention, refrigerating capacity only increases in second operator scheme, and in normal mode, fan is still shutdown in the compressor process of standby time.Of the present invention additional running time of fan thereby be limited to second operator scheme, thus the permanent increase of the energy consumption of refrigerating plant can be avoided.
The running time of the second operator scheme process fan, interval value can be interval greater than compressor operating time.This has guaranteed aspect the time, the running time of fan interval with compressor running time and also have standby time all overlapping.
See that from the control technology aspect cool room of refrigerating plant has formed a control path with the article of introducing, the actual temperature in this control path is detected by the cool room sensor and testing result flows to control device.As long as the actual temperature that is detected is greater than the turn-on temperature of being scheduled to by control device, then just with the compressor start, this is incorporated into refrigerating capacity in the cool room from compressor control device.If actual temperature is lower than predetermined shutoff temperature, then control device shuts down compressor.
Be accelerated by the start of the respondent behavior in cool room and the formed control of chilled goods path, mean that the inertia of controlling the path is reduced through fan.This means when article are introduced into, be reinforced through the air-flow that produces by fan from the heat transfer of article to the cool room sensor of new introducing, thereby the time that has just in time caused compressor to be started shooting once more is reduced.
Preferably, control device can be in second operator scheme becomes fan control, and its, interval was not only overlapping with interval standby time of compressor in time, also overlapping at least in part with interval running time of compressor running time.In this case, even when compressor is started shooting, the inertia in the control path of being made up of the article of cool room and introducing can be reduced.This means the cooling that newly is incorporated into the article in the cool room even in the process of cooling stage, also be accelerated.
Second operator scheme can manually activate input element through the user and be activated with a kind of mode of known supercool function.Usually, after article are introduced into, realize this startup, wherein, the new article of introducing will be cooled to the cool room temperature from room temperature at short notice.
In order to increase the refrigerating capacity that provides in the second operator scheme process, fan running time the interval can be roughly corresponding to the total operating time of second operator scheme.After predetermined operating time section, control device can automatically be got back to first operator scheme, be normal manipulation mode from the switching of second operator scheme.Particularly preferably, fan operation continuously in second operator scheme.
Opposite with second operator scheme, in first operator scheme, this continuous operation of fan can be cancelled, and this helps energy consumption to reduce.In first operator scheme, if compressor is activated, promptly be in cooling stage, only fan can be started shooting, with from energy-conservation reason that maintenance running time of fan is low as much as possible.In first operator scheme, fan moves thereby is associated with compressor operating.On the contrary, in second operator scheme, fan can leave unused/irrespectively being controlled running time through control device and compressor.
Description of drawings
With reference to the suitability embodiment of the present invention of explanation below the accompanying drawing, wherein:
Fig. 1 shows the side sectional view of refrigerating plant; And
Fig. 2 shows the actual temperature sequential chart that compressor and fan are in the cool room of running status.
The specific embodiment
In Fig. 1, show refrigerating plant with the mode of basic sketch map with cool room 3, wherein said cool room is divided into four cooling cabins 6 by means of three horizontal panels 5.Cool room 3 is closed by appliance door 7 in the front side.Appliance door 7 and the wall that limits cool room 3 in addition all are configured in known manner, to provide adiabatic.
Refrigerating plant is given in known refrigerating circuit/refrigerant loop 11 configurations that evaporimeter 9, compressor 13 and condenser 15 are connected into.Refrigerating circuit 11 by means of control device 17 by electric control.For this purpose, control device 17 can transmit signal ground and be connected to cool room sensor 19 and compressor 13.
The actual temperature T that cool room sensor 19 detects in the cool room 13 ActualAnd this actual temperature is imported in the control device 17.In control device, actual temperature T ActualWith the design temperature T that can set by the user S1, T S2Contrast.Based on this contrast, control device 17 is with compressor 13 starts or shutdown.
In order in the process of cooling stage, to increase refrigerating capacity, refrigerating plant is equipped with fan 21.This fan is located at the upper end of evaporimeter 9 according to Fig. 1 in cool room 3, and fan produces air-flow 23 in the state of opening.
Further of short duration increase for refrigerating capacity; Refrigerating plant can be from first operator scheme among Fig. 2, represented by I (in this first operator scheme; Cold-producing medium moves in normal mode) change among the second operator scheme II in limited time period inscribe; Wherein, in this second operator scheme, activate but function of so-called supercool.After the user was incorporated into cool room 3 through the input element 25 that manually boots control device 17 with article, the second operator scheme II especially can be at a predetermined operating time section Δ t SCIn be activated.
As shown in Figure 2, in the second operator scheme II, control device 17 is with actual temperature T Real The borderBe set at and compare the design temperature T that reduces with normal mode I S2Thereby, the design temperature T among the first operator scheme I S1Scope is from 4 ℃ to 6 ℃ substantially.In the second operator scheme II, design temperature T S2Be substantially about 1 ℃.In this case, the refrigerating capacity of refrigerating plant but increases during function activation at supercool.
Equally as shown in Figure 2, the design temperature T shown in curve map S1, T S2Respectively with turn-on temperature T StartWith shutoff temperature T ShutdownMatch.As long as actual temperature T S1Surpass corresponding turn-on temperature T Start, then control device 17 is just with compressor 13 starts.On the contrary, as long as actual temperature T ActualBe lower than shutoff temperature T Shutdown, then control device 17 is just with compressor 13 shutdown.
In the first operator scheme I as shown in Figure 2, control device 17 is set compressor 13 and fan 21, so that the operation of compressor 13 is associated with the operation of fan 21.This means interval Δ t running time of compressor 13 S1In time with the interval Δ t running time of fan 21 S2Consistent.
According to Fig. 2, the user is at time t 0 Push input element 25, thereby control device 17 switches to the second operator scheme II operation time period Δ t with refrigerating plant SCAccording to the present invention, in the second operator scheme II, the operation of fan 21 continued operations ground.
Therefore, in the second operator scheme II---unlike first operator scheme, the operation of fan 21 is not associated with the operation of compressor 13.Correspondingly, fan 21 in the second operator scheme II also at the idle interval Δ t of compressor 13 S1Process in move.
In this case, even the idle interval Δ t of the compressor in second operator scheme 13 S1Process in, therefore occur from newly being incorporated into article in the cool room to the strong heat transfer of cool room 3.This means, at the idle interval Δ t of compressor S1Process in, actual temperature T ActualTo more promptly reach turn-on temperature T Start, at this turn-on temperature, control device 17 is once more with compressor 13 starts.
According to the present invention, in second operator scheme, compressor 13---compared with prior art thereby earlier started shooting once more, thereby the article that newly are incorporated in the cool room 3 can more promptly be cooled.Other scheme that increases refrigerating capacity with (such as the basic operation continuously of using large-sized compressor or fan 21) is opposite; Technical scheme of the present invention does not cause the permanent increase of the energy consumption of refrigerating plant; And in fact, refrigerating capacity as required, promptly increase when starting input element 25.
Reference numerals list
3 cool rooms
5 horizontal subdivision spares
6 refrigerator compartment
7 device gates
9 evaporimeters
11 refrigerating circuits
13 compressors
15 evaporimeters
17 control device
19 cool room sensors
21 fans
23 air-flows
25 input units
T ActualActual temperature
T S1First design temperature
T S2Second design temperature
T Start, T ShutdownThe startup and shutdown temperature
t 0The start-up time of input element
Δ t SCThe duration of the second operator scheme II
Δ t L1The running time of compressor is interval
Δ t L2The running time of fan is interval
Δ t S1The standby time of compressor is interval
Δ t S2The standby time of fan is interval
I first operator scheme
II second operator scheme

Claims (9)

1. a refrigerating plant, household refrigerating device especially, it comprises refrigerating circuit (11), in said refrigerating circuit, is connected with evaporimeter (9) and compressor (13); Control device (17), through with said compressor (13) startup and shutdown, refrigerating capacity can be introduced in the cool room (3); And fan (21), it is used to produce the air-flow (23) in the said cool room (3), said control device (17) in first operator scheme (I) with the actual temperature (T in the said cool room (3) Actual) be set at the first design temperature (T S1), and in second operator scheme (II) in order to quicken the refrigerated item of lowering the temperature, said actual temperature is adjusted to the second design temperature (T that reduces S2), it is characterized in that, in said second operator scheme (II), the running time of said fan (21) interval (Δ t L2) in time with interval (Δ t standby time of said compressor (13) S1) overlapping at least in part.
2. refrigerating plant according to claim 1 is characterized in that, in said second operator scheme (II), the running time of said fan (21) interval (Δ t L2) at least greater than interval (the Δ t running time of said compressor (13) L1).
3. refrigerating plant according to claim 1 and 2 is characterized in that, in said second operator scheme (II), the running time of said fan (21) interval (Δ t L2) additionally in time with interval (Δ t standby time of said compressor (13) S1) overlapping at least in part.
4. according to the arbitrary described refrigerating plant of aforementioned claim, it is characterized in that, in said second operator scheme (II), the running time of said fan (21) interval (Δ t L2) roughly corresponding to total run time (the Δ t of said second operator scheme (II) SC), said total run time (Δ t SC) size especially between 4 and 6 hours, and in said total run time, said fan (21) moves especially continuously.
5. according to the arbitrary described refrigerating plant of aforementioned claim; It is characterized in that said fan (21) can irrespectively be controlled through said control device (17) with the idle/running time of said compressor (13) in time in said second operator scheme (II).
6. according to the arbitrary described refrigerating plant of aforementioned claim, it is characterized in that in said first operator scheme (I), the operation of said fan is associated with said compressor operating, and particularly, the running time of said compressor (13) interval (Δ t L1) and running time of said fan (21) interval (Δ t L2) consistent in time.
7. according to the arbitrary described refrigerating plant of aforementioned claim; It is characterized in that; Said control device (17) configuration one input element (25), wherein said input element switch to said control device (17) in said second operator scheme (II) when starting and/or said control device (17) are switched from said second operator scheme (II) and get back to said first operator scheme (I).
8. according to the arbitrary described refrigerating plant of aforementioned claim, it is characterized in that, said control device (17) configuration one cool room sensor (19), wherein said cool room sensor detects the actual temperature (T in the said cool room (3) Actual).
9. one kind is used to control the method according to the arbitrary described refrigerating plant of aforementioned claim.
CN2010800069045A 2009-02-06 2010-01-20 Refrigeration device, in particular household refrigeration device, and method for controlling a refrigeration device Pending CN102308166A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009000665.0 2009-02-06
DE200910000665 DE102009000665A1 (en) 2009-02-06 2009-02-06 Refrigeration appliance, in particular domestic refrigeration appliance, and method for controlling a refrigeration appliance
PCT/EP2010/050602 WO2010089191A2 (en) 2009-02-06 2010-01-20 Refrigeration device, in particular household refrigeration device, and method for controlling a refrigeration device

Publications (1)

Publication Number Publication Date
CN102308166A true CN102308166A (en) 2012-01-04

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CN2010800069045A Pending CN102308166A (en) 2009-02-06 2010-01-20 Refrigeration device, in particular household refrigeration device, and method for controlling a refrigeration device

Country Status (5)

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EP (1) EP2394112A2 (en)
CN (1) CN102308166A (en)
DE (1) DE102009000665A1 (en)
RU (1) RU2011134446A (en)
WO (1) WO2010089191A2 (en)

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CN103398540A (en) * 2013-07-29 2013-11-20 合肥美的电冰箱有限公司 Refrigerator control method and refrigerator
CN110131951A (en) * 2018-02-08 2019-08-16 日立空调·家用电器株式会社 Refrigerator

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DE102012007826A1 (en) * 2011-05-11 2012-11-15 Liebherr-Hausgeräte Ochsenhausen GmbH Fridge and / or freezer
DK177395B1 (en) * 2011-11-02 2013-03-18 Maersk Container Ind As A method for operating a refrigeration system for a cargo container
CN104024767B (en) * 2011-12-20 2016-08-24 多美达责任有限公司 Chiller and the method controlling chiller
DE102012206806A1 (en) * 2012-04-25 2013-10-31 BSH Bosch und Siemens Hausgeräte GmbH Single-circuit refrigeration unit and operating method for this

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CN103398540A (en) * 2013-07-29 2013-11-20 合肥美的电冰箱有限公司 Refrigerator control method and refrigerator
CN110131951A (en) * 2018-02-08 2019-08-16 日立空调·家用电器株式会社 Refrigerator
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WO2010089191A2 (en) 2010-08-12
RU2011134446A (en) 2013-03-20
EP2394112A2 (en) 2011-12-14
DE102009000665A1 (en) 2010-08-12
WO2010089191A3 (en) 2011-01-13

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