CN106839638B - Freezer joint refrigeration control method, device and freezer engineering system - Google Patents
Freezer joint refrigeration control method, device and freezer engineering system Download PDFInfo
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- CN106839638B CN106839638B CN201610939309.6A CN201610939309A CN106839638B CN 106839638 B CN106839638 B CN 106839638B CN 201610939309 A CN201610939309 A CN 201610939309A CN 106839638 B CN106839638 B CN 106839638B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D13/00—Stationary devices, e.g. cold-rooms
- F25D13/02—Stationary devices, e.g. cold-rooms with several cooling compartments, e.g. refrigerated locker systems
- F25D13/04—Stationary devices, e.g. cold-rooms with several cooling compartments, e.g. refrigerated locker systems the compartments being at different temperatures
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- 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 present invention provides a kind of freezer joint refrigeration control method, device and freezer engineering system.Wherein freezer joint refrigeration control method includes: to carry out grade classification to cold storage according to cold storage cooling load size；The grade includes normal level, if the case where being not in evaporating pressure rapid decrease, then the cold storage is divided into the normal level when driving cold storage to cool down using the minimum load of freezer unit；When the cold storage needs that cooling load is less than the normal level start refrigeration, tissue deploys other cold storages and carries out joint refrigeration.Technical solution provided by the invention avoids refrigeration host computer from excessively continually adjusting load, avoids longtime running in the lower underrun of efficiency；It largely avoids the occurrence of pressure and declines the phenomenon that too fast, temperature-fall period is discontinuous, temperature fall time is long；Be conducive to freezer and integrally manage allotment and saving pipe controlled.
Description
Technical field
The present invention relates to refrigeration technology field more particularly to a kind of freezer joint refrigeration control methods, device and freezer work
Journey system.
Background technique
It needs accurately to control the temperature of cold storage in freezer engineering system, it is desirable that refrigeration cool-down procedure parameter temperature
Degree is stablized rapid.In existing way, all storehouses carry out similar team control using a controller either in freezer engineering
Each storehouse is used alone a freezer environmental control and carries out distributed controll in centralized control or freezer engineering.Generally all
The signal of each storehouse temperature sensor acquisition is only received, then corresponding storehouse electromechanical equipment is individually fed back to by logical algorithm and is moved
Make, so that actual temperature is close to target temperature.But this temprature control method, lack the linkage between storehouse and storehouse,
It is unable to satisfy more precise control requirement, is unfavorable for freezer and integrally manages allotment and saving pipe controlled.
Application No. is 201320526077.3 utility model patents to disclose a kind of self-organizing indoor environment intelligent control
System has set up a kind of indoor environment intelligent control system network without center, has passed through human-computer interaction by network without center and user
It controls interface and generates control data, to interior sensor, electromechanical equipment and its integrated actuator (air-conditioning equipment, lamp, sunshade, door
Window) it is controlled, but this patent only provides a kind of network communication mode, communication construction for setting up intelligent environment control system,
It is not directed to the specific control method wherein for environment temperature.
Summary of the invention
In view of this, the present invention provides a kind of freezer joint refrigeration control methods, comprising: freeze according to cold storage negative
Lotus size carries out grade classification to cold storage；The grade includes normal level, if in the minimum load using freezer unit
When driving cold storage cooling, the cold storage is then divided into described by the case where being not in evaporating pressure rapid decrease
Normal level；When the cold storage needs that cooling load is less than the normal level start refrigeration, tissue deploys other freezers
Storehouse carries out joint refrigeration.
Optionally, further includes: preset the number x of the cold storage of the progress joint refrigeration of normal level, x >=1；When
When the cold storage needs that cooling load is less than the normal level start refrigeration, if temperature is being higher than library temperature lower limit just at this time
The number of the cold storage of normal grade is more than or equal to x, then x temperature of allotment is organized to be higher than the freezer of the normal level of library temperature lower limit
Storehouse carries out joint refrigeration.
Optionally, further includes: when carrying out grade classification to cold storage according to cold storage cooling load size, will freeze
The small cold storage of load is divided into high-grade；Preset the number of the cold storage of the progress joint refrigeration of each grade；
When the cold storage needs that cooling load is less than the normal level start refrigeration, if temperature is higher than library temperature lower limit at this time
The number of the cold storage of a certain grade is less than the number a of the preset cold storage for carrying out joint refrigeration, and temperature
It is more than or equal to a of the cold storage for carrying out joint refrigeration higher than the cold storage number than the more higher leveled grade of library temperature lower limit
Number b, the then cold storage than the more higher leveled grade for organizing b temperature of allotment to be higher than library temperature lower limit carry out joint refrigeration, wherein
A is the number of the cold storage of the progress joint refrigeration of preset a certain grade, and b is preset than the higher grade by one
The number of the cold storage of the progress joint refrigeration of grade, b > a.
Optionally, b=a+1.
Optionally, further includes: when carrying out grade classification to cold storage according to cold storage cooling load size, will freeze
The small cold storage of load is divided into high-grade；Preset the number of the cold storage of the progress joint refrigeration of each grade；
When the cold storage needs that cooling load is less than the normal level start refrigeration, if temperature is higher than library temperature lower limit at this time
The number of the cold storage of a certain grade is less than the number of the preset cold storage for carrying out joint refrigeration, then organizes to adjust
The cold storage that the grade is substituted with the cold storage than the more higher leveled grade that n temperature is higher than library temperature lower limit, carries out
Joint refrigeration, wherein n >=2.
Optionally, n=2.
Another aspect of the present invention provides a kind of freezer joint refrigeration control device again, comprising: grade classification unit is used
According to cold storage cooling load size to cold storage carry out grade classification；The grade includes normal level, if making
When driving cold storage cooling with the minimum load of freezer unit, the case where being not in evaporating pressure rapid decrease, then by institute
It states cold storage and is divided into the normal level；Deployment unit is organized, for being less than the cold of the normal level when cooling load
When room needs in Kuku start refrigeration, tissue deploys other cold storages and carries out joint refrigeration.
Optionally, further includes: setup unit, the cold storage of the progress joint refrigeration for presetting normal level
Number x, x >=1；The tissue deployment unit, is also used to: when the cold storage needs that cooling load is less than the normal level are opened
When the refrigeration that begins, if the number that temperature is higher than the cold storage of the normal level of library temperature lower limit at this time is more than or equal to x, organize to adjust
The cold storage for being higher than the normal level of library temperature lower limit with x temperature carries out joint refrigeration.
Optionally, the grade classification unit is also used to carry out cold storage according to cold storage cooling load size
When grade classification, the small cold storage of cooling load is divided into high-grade；The setup unit is also used to preset each
The number of the cold storage of the progress joint refrigeration of grade；The tissue deployment unit, is also used to: described in being less than when cooling load
When the cold storage needs of normal level start refrigeration, if temperature is higher than the cold storage of a certain grade of library temperature lower limit at this time
Number be less than it is preset carry out joint refrigeration the cold storage number a, and temperature be higher than library temperature lower limit ratio should
The higher leveled cold storage number of grade is more than or equal to the number b for carrying out the cold storage of joint refrigeration, then organizes b temperature of allotment
The cold storage than the more higher leveled grade that degree is higher than library temperature lower limit carries out joint refrigeration, wherein a is certain preset first-class
The number of the cold storage of the progress joint refrigeration of grade, b are preset progress joint refrigeration than the more higher leveled grade
The number of cold storage, b > a.
Optionally, b=a+1.
Optionally, further includes: the grade classification unit is also used to according to cold storage cooling load size to cold storage locker
When room carries out grade classification, the small cold storage of cooling load is divided into high-grade；The setup unit is also used to set in advance
The number of the cold storage of the progress joint refrigeration of fixed each grade；The tissue deployment unit, is also used to: when cooling load is small
When the cold storage needs of the normal level start refrigeration, if temperature is higher than the cold of a certain grade of library temperature lower limit at this time
The number in Kuku room is less than the number of the preset cold storage for carrying out joint refrigeration, then organizes n temperature of allotment high
The cold storage of the grade is substituted in the cold storage than the more higher leveled grade of library temperature lower limit, carries out joint refrigeration,
In, n >=2.
Optionally, n=2.
Another aspect of the invention additionally provides a kind of freezer engineering system, has the joint system of freezer described in any of the above item
Cold control device.
For technical solution provided by the invention by the linkage between storehouse and storehouse, integration concentrates the refrigeration of all storehouses negative
Lotus cools down together, and refrigeration host computer is avoided excessively continually to adjust load, avoids longtime running in the lower underload of efficiency
Operation；Largely avoid the occurrence of that too fast, the refrigeration host computer frequent starting of pressure decline, temperature-fall period be discontinuous, temperature fall time
Long phenomenon guarantees that the lesser storehouse of cooling load is able to carry out normal continuous temperature-fall period；To the temperature of cold storage
It is accurately controlled, stablizes refrigeration cool-down process rapid；Be conducive to freezer and integrally manage allotment and saving pipe controlled.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the general frame figure of freezer joint refrigeration control method provided by the invention；
Fig. 2 is a kind of flow chart of preferred embodiment of freezer joint refrigeration control method provided by the invention；
Fig. 3 is a kind of each implementation steps of preferred embodiment of freezer joint refrigeration control method provided by the invention
Storehouse state diagram；
Fig. 4 is the flow chart of the another preferred embodiment of freezer joint refrigeration control method provided by the invention；
Fig. 5 is the overall structure figure of freezer joint refrigeration control device provided by the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
The present invention provides a kind of freezer joint refrigeration control methods.Fig. 1 is freezer joint refrigeration control provided by the invention
The general frame figure of method processed.As shown in Figure 1, freezer joint refrigeration control method of the present invention includes: step S110, according to freezer
Storehouse cooling load size carries out grade classification to cold storage；The grade includes normal level, if using freezer unit
Minimum load when driving cold storage cooling, the case where being not in evaporating pressure rapid decrease, then by the cold storage
It is divided into the normal level；Step S120, when the cold storage needs that cooling load is less than the normal level start to freeze
When, tissue deploys other cold storages and carries out joint refrigeration.The matched each storehouse payload difference of engineering is big, so that type selecting
End is unequal, and rapidly, but actual temperature is not on earth, pressure for terminal pressure decline in the caused smaller storehouse temperature-fall period of load
The case where advanceing to bottom critical value, and cause temperature-fall period short, overall the phenomenon that cooling down with duration.Technical solution of the present invention is first
Storehouse is first pressed into payload divided rank.One lesser storehouse of load arranges other storehouses one when preparing to start refrigeration
Rise and enter refrigerating state, avoid due to load is smaller and the phenomenon that lead to refrigeration host computer frequent starting, guarantee cooling load compared with
Small storehouse is able to carry out normal continuous temperature-fall period.
Fig. 2 is a kind of flow chart of preferred embodiment of freezer joint refrigeration control method provided by the invention.Such as Fig. 2 institute
Show, before implementing control flow, grade classification is carried out to cold storage first, in accordance with cold storage cooling load size.According to
When cold storage cooling load size carries out grade classification to cold storage, the small cold storage of cooling load is divided into high
Grade.Freezer engineering includes multiple storehouses, according to the storehouse payload provided at the beginning of design, on the controller to each library
Room carries out grade setting.The descending sequence of storehouse load is successively are as follows: 0 grade of storehouse load >, 1 grade of storehouse load >, 2 grades of storehouses
3 grades of storehouse loads of load >.
When this storehouse is normal storehouse, i.e. cooling load normal in size, refrigeration host computer is in the minimum load band using unit
When cooling down when moving this storehouse, the case where being not in evaporating pressure rapid decrease.The storehouse grade can then be set as 0.
When than 0 grade storehouse of this storehouse cooling load is small, refrigeration host computer drives this storehouse to drop in the minimum load using unit
Wen Shi, it is possible to or there is certain probability to occur as caused by the evaporating pressure rapid decrease of the larger appearance of refrigeration host computer ability
Temperature-fall period interrupts situation.The storehouse grade can then be set as 1.
When than 1 grade storehouse of this storehouse cooling load is smaller, refrigeration host computer drives this storehouse in the minimum load using unit
When cooling, there is greater probability the temperature-fall period as caused by the evaporating pressure rapid decrease of the larger appearance of refrigeration host computer ability occur
Interrupt situation.The storehouse grade can then be set as 2.
As described above and so on.The grade of storehouse can be set (see the step S201 and step in Fig. 2
S202)。
Then determine storehouse number x when entering joint cooling every time (see the step S203 in Fig. 2).It presets normal
The number x of the cold storage of the progress joint refrigeration of grade, x >=1.
A kind of embodiment of joint refrigeration control method according to the present invention, when cooling load is less than the normal level
When cold storage needs start refrigeration, if the number that temperature is higher than the cold storage of the normal level of library temperature lower limit at this time is greater than
Equal to x, then the cold storage for organizing x temperature of allotment to be higher than the normal level of library temperature lower limit carries out joint refrigeration.Another feelings
Condition, when the cold storage needs that cooling load is less than the normal level start refrigeration, if temperature is higher than under the temperature of library at this time
The number of the cold storage of a certain grade of limit is less than the number a of the preset cold storage for carrying out joint refrigeration, and
The cold storage number than the more higher leveled grade that temperature is higher than library temperature lower limit is more than or equal to the cold storage for carrying out joint refrigeration
Number b, then organize b temperature of allotment to be higher than cold storage than the more higher leveled grade progress joint refrigeration of library temperature lower limit,
Wherein, a is the number of the cold storage of the progress joint refrigeration of preset a certain grade, and b is preset than this etc.
The number of the higher leveled cold storage for carrying out joint refrigeration of grade, b > a.
That is, presetting: the number x of the cold storage of the progress joint refrigeration of normal level, x >=1；Than normal
The number y, y > x of the higher leveled cold storage for carrying out joint refrigeration of grade；The carry out joint refrigeration of second level higher than normal level
Cold storage number z, z > y.When the cold storage needs that cooling load is less than the normal level start refrigeration, if
The number that temperature is higher than the cold storage of the normal level of library temperature lower limit at this time is less than x, and temperature is being higher than the ratio of library temperature lower limit just
The normal higher leveled cold storage number of grade is more than or equal to y, then y temperature of allotment is organized to be higher than the ratio normal level of library temperature lower limit
Higher leveled cold storage carries out joint refrigeration；If temperature is higher leveled higher than the ratio normal level of library temperature lower limit normal at this time
The number of the cold storage of grade is less than y, and temperature is higher than the cold storage number of the second level high ratio normal level of library temperature lower limit
More than or equal to z, then the cold storage for the second level high ratio normal level for organizing z temperature of allotment to be higher than library temperature lower limit carries out joint system
It is cold.According to process above, until the cold storage for organizing to be formulated to highest level.
Specifically, a kind of preferred embodiment of joint refrigeration control method according to the present invention, b=a+1.Such as Fig. 2 institute
Show, after judging whether storehouse enters the logic of refrigerating state according to controller, the judgement to storehouse grade is added.Determine a certain library
It is as follows according to different storehouse hierarchical arrangements after room needs to enter refrigeration:
(1) for the storehouse of 0 grade, refrigeration can be entered at any time；(see the step S204 and step S205 in Fig. 2)
(2) it for the storehouse of 1,2 grades, needs to arrange the storehouse that x temperature is 0 higher than+a DEG C of grades of library temperature lower limit and combines
Refrigeration；(see step S206, the step S207 and step S208 in Fig. 2)
(3) (2) are such as unsatisfactory for, then need to arrange x+1 temperature higher than the storehouse joint system that+a DEG C of grades of library temperature lower limit are 1
It is cold；(see step S209, the step S210 and step S211 in Fig. 2)
(4) (3) are such as unsatisfactory for, then need to arrange x+2 temperature higher than the storehouse joint system that+a DEG C of grades of library temperature lower limit are 2
It is cold；(see step S212, the step S213 and step S214 in Fig. 2)
As described above and so on.
In practical situations, if the existing storehouse quantity freezed also meets corresponding situation, then can be straight before arranging
It connects and starts to freeze.
Fig. 3 is a kind of each implementation steps of preferred embodiment of freezer joint refrigeration control method provided by the invention
Storehouse state diagram.As shown in Figure 3, it is assumed that freezer includes four storehouses, wherein three 1 grade, one 0 grade.The storehouse of joint refrigeration
Quantity x is set as 1.At one 0 grade, two 1 grade of storehouses between completing the temperature hold zone after cooling in, when remaining one
When 1 grade of storehouse needs to freeze (step 1), the state of other storehouses is judged, since 0 grade of storehouse is unsatisfactory for storehouse temperature higher than library
The condition of+a DEG C of warm lower limit, other two 1 grade of storehouses meet condition, because its temperature is more than or equal to library temperature lower limit (step
Two).Other two 1 grade of storehouse is then opened simultaneously and first 1 grade of storehouse carries out joint refrigeration (step 3).
In the another embodiment of joint refrigeration control method of the present invention, firstly, identical with aforementioned embodiments
It is: when the cold storage needs that cooling load is less than the normal level start refrigeration, if temperature is higher than under the temperature of library at this time
The number of the cold storage of the normal level of limit is more than or equal to x, then x temperature of allotment is organized to be higher than the normal level of library temperature lower limit
Cold storage carry out joint refrigeration.Unlike aforementioned embodiments: another situation, according to cold storage cooling load
When size carries out grade classification to cold storage, the small cold storage of cooling load is divided into high-grade；It presets each
The number of the cold storage of the progress joint refrigeration of grade；When the cold storage needs that cooling load is less than the normal level are opened
When the refrigeration that begins, if the number that temperature is higher than the cold storage of a certain grade of library temperature lower limit at this time is less than preset progress
The number of the cold storage of joint refrigeration then organizes n temperature of allotment to be higher than the than the more higher leveled grade cold of library temperature lower limit
Kuku room substitutes the cold storage of the grade, carries out joint refrigeration, wherein n >=2.Specifically, joint is made according to the present invention
A kind of preferred embodiment of cooling control method, n=2.
Specifically, if arrange be x grade be 0 storehouse freeze, as grade for 0 storehouse lazy weight,
It can also will 10 hierarchical arrangement be wherein that 21 grades substitute.If the storehouse quantity that grade is 0 lacks 2, can arrange
The storehouse of 20 grades is substituted for the storehouse of 41 grades.Similarly the storehouse of 22 grades can be used to carry out for the storehouse of 11 grade
Substitution.Using such method, incite somebody to action so that storehouse allotment adjusting is more complete, but then more mentions in the complexity of logic and program
It is high.
As shown in figure 4, Fig. 4 is the process of the another preferred embodiment of freezer joint refrigeration control method provided by the invention
Figure.Unlike Fig. 2: the step S221 in Fig. 4 is instead of the step S209 in Fig. 2, in step S221, arranges other temperature
Spending n be not below in a DEG C of lower limit of 1 grade of storehouse replaces 10 grade of storehouse to enter refrigeration together；Step S222 in Fig. 4 is replaced
Step S212 in Fig. 2, in step S222, n for arranging other temperature to be not below in a DEG C of lower limit of 2 grades of storehouses replace 1
A 1 grade of storehouse enters refrigeration together.
Another aspect of the present invention provides a kind of freezer joint refrigeration control device again.Fig. 5 is provided by the invention cold
The overall structure figure of library joint refrigeration control device.As shown in figure 5, freezer joint refrigeration control device of the invention includes:
Grade division unit 100, for carrying out grade classification to cold storage according to cold storage cooling load size；The grade includes
Normal level, if being not under evaporating pressure is quick when driving cold storage to cool down using the minimum load of freezer unit
The cold storage is then divided into the normal level by the case where drop；Deployment unit 300 is organized, it is small for working as cooling load
When the cold storage needs of the normal level start refrigeration, tissue deploys other cold storages and carries out joint refrigeration.
A kind of embodiment of freezer joint refrigeration control device according to the present invention, further includes: setup unit 200 is used for
Preset the number x of the cold storage of the progress joint refrigeration of normal level, x >=1；The tissue deployment unit 300, is also used
In: when the cold storage needs that cooling load is less than the normal level start refrigeration, if temperature is higher than under the temperature of library at this time
The number of the cold storage of the normal level of limit is more than or equal to x, then x temperature of allotment is organized to be higher than the normal level of library temperature lower limit
Cold storage carry out joint refrigeration.
A kind of embodiment of freezer joint refrigeration control device according to the present invention, the grade classification unit 100, is also used
When carrying out grade classification to cold storage according to cold storage cooling load size, the small cold storage of cooling load is divided
It is high-grade；The setup unit 200 is also used to preset of the cold storage of the progress joint refrigeration of each grade
Number；The tissue deployment unit 300, is also used to: when the cold storage needs that cooling load is less than the normal level start to make
When cold, if the number that temperature is higher than the cold storage of a certain grade of library temperature lower limit at this time is less than preset combined
The number a of the cold storage of refrigeration, and temperature is greater than higher than the cold storage number than the more higher leveled grade of library temperature lower limit
Equal to the number b for the cold storage for carrying out joint refrigeration, then b temperature of allotment is organized to be higher than the than the higher grade by one of library temperature lower limit
The cold storage of grade carries out joint refrigeration, wherein a is the cold storage of the progress joint refrigeration of preset a certain grade
Number, b are the number of the preset cold storage for carrying out joint refrigeration than the more higher leveled grade, b > a.
A kind of embodiment of freezer joint refrigeration control device according to the present invention, b=a+1.
A kind of embodiment of freezer joint refrigeration control device according to the present invention, further includes: the grade classification unit
100, when being also used to carry out grade classification to cold storage according to cold storage cooling load size, by the small freezer of cooling load
Storehouse is divided into high-grade；The setup unit 200 is also used to preset the cold storage locker of the progress joint refrigeration of each grade
The number in room；The tissue deployment unit 300, is also used to: when cooling load is less than the cold storage needs of the normal level
Start refrigeration when, if at this time temperature be higher than library temperature lower limit a certain grade cold storage number be less than it is preset into
The number of the cold storage of row joint refrigeration then organizes n temperature of allotment to be higher than the than the more higher leveled grade of library temperature lower limit
Cold storage substitutes the cold storage of the grade, carries out joint refrigeration, wherein n >=2.
A kind of embodiment of freezer joint refrigeration control device according to the present invention, n=2.
Another aspect of the invention additionally provides a kind of freezer engineering system, has the joint system of freezer described in any of the above item
Cold control device.
For technical solution provided by the invention by the linkage between storehouse and storehouse, integration concentrates the refrigeration of all storehouses negative
Lotus cools down together, and refrigeration host computer is avoided excessively continually to adjust load, avoids longtime running in the lower underload of efficiency
Operation；Largely avoid the occurrence of that too fast, the refrigeration host computer frequent starting of pressure decline, temperature-fall period be discontinuous, temperature fall time
Long phenomenon guarantees that the lesser storehouse of cooling load is able to carry out normal continuous temperature-fall period；To the temperature of cold storage
It is accurately controlled, stablizes refrigeration cool-down process rapid；Be conducive to freezer and integrally manage allotment and saving pipe controlled.
Function described herein can be implemented in hardware, the software executed by processor, firmware or any combination thereof.
If implemented in the software executed by processor, computer can be stored in using function as one or more instructions or codes
It is transmitted on readable media or via computer-readable media.Other examples and embodiment are wanted in the present invention and appended right
It asks in the scope and spirit of book.For example, due to the property of software, function described above can be used by processor,
Hardware, firmware, hardwired or the software implementation for appointing the combination of whichever to execute in these.In addition, each functional unit can integrate
In one processing unit, it is also possible to each unit to physically exist alone, can also be integrated in two or more units
In one unit.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, and fill as control
The component set may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above description is only an embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (9)
1. a kind of freezer joint refrigeration control method characterized by comprising
Grade classification is carried out to cold storage according to cold storage cooling load size；The grade includes normal level, if
When driving cold storage to cool down using the minimum load of freezer unit, the case where being not in evaporating pressure rapid decrease, then will
The cold storage is divided into the normal level；
When the cold storage needs that cooling load is less than the normal level start refrigeration, tissue deploy other cold storages into
Row joint refrigeration；
Further include:
Preset the number x of the cold storage of the progress joint refrigeration of normal level, x >=1；
When the cold storage needs that cooling load is less than the normal level start refrigeration, if temperature is higher than under the temperature of library at this time
The number of the cold storage of the normal level of limit is more than or equal to x, then x temperature of allotment is organized to be higher than the normal level of library temperature lower limit
Cold storage carry out joint refrigeration；
Further include: when carrying out grade classification to cold storage according to cold storage cooling load size, cooling load is less than institute
State the cold storage cooling load of normal level cold storage be divided into it is high-grade；
The number of the cold storage of the progress joint refrigeration of each grade is preset, each grade includes at least first etc.
Grade, the second grade, and described the first estate, the second grade belong to it is described high-grade, described the first estate be higher than described second etc.
Grade；
When the cold storage needs that cooling load is less than the normal level start refrigeration, if temperature is higher than under the temperature of library at this time
The number of the cold storage of second grade of limit is less than the number a of the preset cold storage for carrying out joint refrigeration, and
The cold storage number that temperature is higher than the first estate of library temperature lower limit is more than or equal to the number for carrying out the cold storage of joint refrigeration
B, the then cold storage for organizing b temperature of allotment to be higher than the first estate of library temperature lower limit carry out joint refrigeration, wherein a is preparatory
The number of the cold storage of the progress joint refrigeration of second grade of setting, b combine for preset the first estate
The number of the cold storage of refrigeration, b > a.
2. the method according to claim 1, wherein b=a+1.
3. a kind of freezer joint refrigeration control method characterized by comprising
Grade classification is carried out to cold storage according to cold storage cooling load size；The grade includes normal level, if
When driving cold storage to cool down using the minimum load of freezer unit, the case where being not in evaporating pressure rapid decrease, then will
The cold storage is divided into the normal level；
When the cold storage needs that cooling load is less than the normal level start refrigeration, tissue deploy other cold storages into
Row joint refrigeration；
Further include:
Preset the number x of the cold storage of the progress joint refrigeration of normal level, x >=1；
When the cold storage needs that cooling load is less than the normal level start refrigeration, if temperature is higher than under the temperature of library at this time
The number of the cold storage of the normal level of limit is more than or equal to x, then x temperature of allotment is organized to be higher than the normal level of library temperature lower limit
Cold storage carry out joint refrigeration；
Further include:
When carrying out grade classification to cold storage according to cold storage cooling load size, cooling load is less than described normal etc.
The cold storage of the cold storage cooling load of grade is divided into high-grade；
The number of the cold storage of the progress joint refrigeration of each grade is preset, each grade includes at least first etc.
Grade, the second grade, and described the first estate, the second grade belong to it is described high-grade, described the first estate be higher than described second etc.
Grade；
When the cold storage needs that cooling load is less than the normal level start refrigeration, if temperature is higher than under the temperature of library at this time
The number of the cold storage of second grade of limit is less than the number of the preset cold storage for carrying out joint refrigeration, then group
The cold storage for knitting the first estate that n temperature of allotment is higher than library temperature lower limit substitutes the cold storage of second grade, carries out
Joint refrigeration, wherein n >=2.
4. according to the method described in claim 3, it is characterized in that, n=2.
5. a kind of freezer joint refrigeration control device characterized by comprising
Grade classification unit, for carrying out grade classification to cold storage according to cold storage cooling load size；The grade
Including normal level, if being not in that evaporating pressure is fast when driving cold storage to cool down using the minimum load of freezer unit
The case where speed decline, then the cold storage is divided into the normal level；
Deployment unit is organized, when the cold storage needs for being less than the normal level when cooling load start refrigeration, tissue
It deploys other cold storages and carries out joint refrigeration；
Further include:
Setup unit, the number x of the cold storage of the progress joint refrigeration for presetting normal level, x >=1；
The tissue deployment unit, is also used to: when the cold storage needs that cooling load is less than the normal level start to freeze
When, if the number that temperature is higher than the cold storage of the normal level of library temperature lower limit at this time is more than or equal to x, organize allotment x
The cold storage that temperature is higher than the normal level of library temperature lower limit carries out joint refrigeration；
The grade classification unit, when being also used to carry out grade classification to cold storage according to cold storage cooling load size,
The cold storage that cooling load is less than the cold storage cooling load of the normal level is divided into high-grade；
The setup unit is also used to preset the number of the cold storage of the progress joint refrigeration of each grade, described each
A grade includes at least the first estate, the second grade, and described the first estate, the second grade belong to it is described high-grade, described the
One grade is higher than second grade；
The tissue deployment unit, is also used to: when the cold storage needs that cooling load is less than the normal level start to freeze
When, if the number that temperature is higher than the cold storage of the second grade of library temperature lower limit at this time carries out joint system less than preset
The number a of the cold cold storage, and temperature is higher than the cold storage number of the first estate of library temperature lower limit more than or equal to progress
The number b of the cold storage of joint refrigeration, then organize b temperature of allotment higher than the first estate of library temperature lower limit cold storage into
Row joint refrigeration, wherein a is the number of the cold storage of the progress joint refrigeration of preset second grade, and b is to set in advance
The number of the cold storage of the progress joint refrigeration of fixed the first estate, b > a.
6. device according to claim 5, which is characterized in that b=a+1.
7. a kind of freezer joint refrigeration control device characterized by comprising
Grade classification unit, for carrying out grade classification to cold storage according to cold storage cooling load size；The grade
Including normal level, if being not in that evaporating pressure is fast when driving cold storage to cool down using the minimum load of freezer unit
The case where speed decline, then the cold storage is divided into the normal level；
Deployment unit is organized, when the cold storage needs for being less than the normal level when cooling load start refrigeration, tissue
It deploys other cold storages and carries out joint refrigeration；
Further include:
Setup unit, the number x of the cold storage of the progress joint refrigeration for presetting normal level, x >=1；
The tissue deployment unit, is also used to: when the cold storage needs that cooling load is less than the normal level start to freeze
When, if the number that temperature is higher than the cold storage of the normal level of library temperature lower limit at this time is more than or equal to x, organize allotment x
The cold storage that temperature is higher than the normal level of library temperature lower limit carries out joint refrigeration；
Further include:
The grade classification unit, when being also used to carry out grade classification to cold storage according to cold storage cooling load size,
The cold storage that cooling load is less than the cold storage cooling load of the normal level is divided into high-grade；
The setup unit is also used to preset the number of the cold storage of the progress joint refrigeration of each grade, described each
A grade includes at least the first estate, the second grade, and described the first estate, the second grade belong to it is described high-grade, described the
One grade is higher than second grade；
The tissue deployment unit, is also used to: when the cold storage needs that cooling load is less than the normal level start to freeze
When, if the number that temperature is higher than the cold storage of the second grade of library temperature lower limit at this time carries out joint system less than preset
The number of the cold cold storage then organizes n temperature of allotment to be higher than the cold storage substitution one of the first estate of library temperature lower limit
The cold storage of a second grade carries out joint refrigeration, wherein n >=2.
8. device according to claim 7, which is characterized in that n=2.
9. a kind of freezer engineering system has the freezer joint refrigeration control device as described in any one of claim 5-8.
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| JP3454644B2 (en) * | 1996-09-27 | 2003-10-06 | 三洋電機株式会社 | Combined refrigeration system |
| US7213407B2 (en) * | 2005-04-12 | 2007-05-08 | Lung Tan Hu | Wide temperature range heat pump |
| CN101539355B (en) * | 2009-04-23 | 2011-12-28 | 上海爱控自动化设备有限公司 | Refrigeration control system capable of intelligent scheduling and method thereof |
| CN102221282B (en) * | 2011-05-17 | 2012-10-10 | 烟台同大制冷设备有限公司 | Centralized control method of variable load output multi-refrigeration-house refrigerating system of refrigerating unit |
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