CN110530094A - Freezer and its defrosting control method - Google Patents
Freezer and its defrosting control method Download PDFInfo
- Publication number
- CN110530094A CN110530094A CN201910950443.XA CN201910950443A CN110530094A CN 110530094 A CN110530094 A CN 110530094A CN 201910950443 A CN201910950443 A CN 201910950443A CN 110530094 A CN110530094 A CN 110530094A
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- China
- Prior art keywords
- defrost
- freezer
- refrigeration equipment
- refrigeration
- condition
- 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.)
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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
- F25D13/00—Stationary devices, e.g. cold-rooms
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
-
- 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
- F25D29/005—Mounting of control devices
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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)
- Defrosting Systems (AREA)
Abstract
The invention discloses a kind of freezer and its defrosting control method, it includes refrigeration equipment freezer unit that freezer, which includes: multiple, and refrigeration equipment includes controller；When the freezer unit in freezer entirely reaches defrost pattern, a collection of freezer unit starts defrost and remaining freezer unit is shut down and waits by batch defrost；When the freezer unit part in freezer reaches defrost pattern; the freezer unit for reaching defrost condition starts defrost and the freezer unit of not up to defrost condition is switched to inverse defrost pattern; if during freezer unit defrost; the freezer unit of not up to defrost condition has reached defrost condition; the freezer unit for then reaching defrost condition afterwards is shut down; the freezer unit defrost for reaching defrost condition returns back to normal refrigerating mode after the completion; to maximumlly reduce the problem of heating caused by defrost, it is excessive to avoid temperature of ice house fluctuation.
Description
Technical field
The present invention relates to refrigeration technology field, in particular to a kind of freezer and its defrosting control method.
Background technique
In refrigerating field, moisture can condense into frost layer in evaporator surface, this layer of frost can hinder the heat exchange of evaporator,
To influence refrigeration effect, to ensure that refrigerating capacity is good.When freezer reaches the condition of defrost, freezer enters defrost pattern,
In the process of defrosting, since the temperature of freezer can rise, so that the temperature fluctuation of freezer is too big, to influence freezer memory
The quality of the food of storage.
Summary of the invention
The present invention provides a kind of freezer and its defrosting control method, solve present in the existing Refrigeration Technique by
In defrost causes temperature to rise the problem of.
The technical solution of the present invention is as follows: a kind of defrosting control method of freezer, the freezer includes independent by least two
The freezer unit of refrigeration equipment forms；The defrosting control method is comprising steps of when there is refrigeration equipment just in defrost, other are not
Reach at least one of refrigeration equipment of defrost condition and carries out inverse defrost to reduce the influence of heating caused by defrost.
The refrigeration equipment enters defrost comprising steps of having monitored whether that refrigeration equipment reaches defrost condition；If so, reaching
A batch in the refrigeration equipment of defrost condition carries out defrost, other reach defrost condition and do not carry out the refrigeration equipment of defrost
Shut down and wait by batch enter defrost.
The quantity of refrigeration equipment described in every batch of is 1.
The refrigeration equipment for reaching defrost condition includes that the part refrigeration equipment of freezer or whole refrigeration of freezer are set
It is standby.
When the refrigeration equipment for reaching defrost condition is whole refrigeration equipments, when there is refrigeration equipment to complete defrost,
At least one of inverse defrost is carried out after completing defrost.
If all refrigeration equipment defrosts for reaching defrost condition are completed, the refrigeration equipment conversion for carrying out inverse defrost is positive
Often refrigeration.
A kind of freezer uses above-mentioned defrosting control method and carries out defrost.
The mutual communication connection of refrigeration equipment of the freezer unit, the system of all freezer units is received by host computer
The operation data of cool equipment carries out defrosting control to each refrigeration equipment.
Each freezer unit is equipped with the storage silo being made of multiple partitions for storing cargo.
The storage silo is detachable setting, and dismantling the partition makes the storage silo assembling combination of the multiple freezer unit
Together.
Compared with the prior art, the advantages of the present invention are as follows: freezer and its defrosting control method proposed by the invention, it is cold
Library is made of at least two freezer units including independent cooling equipment, and defrosting control method is comprising steps of when there is refrigeration equipment
Just in defrost, other are not up at least one of refrigeration equipment of defrost condition and carry out inverse defrost to reduce caused by defrost
Heating influence.It, will be due to so that freezer has principle of the freezer unit against defrost progress synchronous with defrost in the process of defrosting
Defrost and the temperature risen is adjusted, avoid temperature of ice house fluctuation it is excessive.
Detailed description of the invention
Fig. 1 is the simple structure schematic diagram of the freezer in the present invention；
Fig. 2 is the flow diagram of the defrosting control method of the freezer in the present invention.
Specific embodiment
The defrosting control method of a kind of freezer and freezer is proposed in the present invention, with reference to the accompanying drawing and embodiment pair
The principle of the present invention and structure are described in detail.
The structure schematic diagram of freezer as shown in Figure 1, freezer proposed by the invention are merged for 1 group by multiple freezer units
It fills, each freezer unit 1 is a complete refrigeration individual, i.e., each freezer unit 1 has the independent of oneself
Refrigeration equipment, each refrigeration equipment include the controller 11 for controlling the refrigeration equipment running mode switching.
The controller 11 for constituting multiple freezer units 1 of the freezer is connected to one complete control system of composition,
A host computer is wherein further comprised, host computer possesses highest control authority, the operation of each freezer unit 1 of PC control
Mode, such as；The freezer unit 1 that then control reaches defrost condition when there is freezer unit to reach defrost condition enters defrost mould
Formula, since freezer unit 1 can heat up to increase the temperature of freezer in defrost, controller 11 then controls other and does not reach at this time
Freezer unit to defrost condition is switched to inverse defrost pattern operation to cool down for freezer to reduce defrost to freezer temperature
The influence of degree.
It should be noted that inverse defrost pattern is a kind of operational mode for defrost, defrost pattern be will lead to
The temperature of freezer increases, and inverse defrost pattern then can be to make the temperature of freezer all modes lower compared to normal mode,
Such as: freezer unit switches to maximum power refrigerating operaton, just can guarantee that temperature fluctuation will not be too when freezer is in defrost in this way
Greatly.
Freezer unit 1 in the present embodiment is equipped with the storage silo for storing cargo, and storage silo is combined by multiple partitions
It forms, and to be detachably connected between the partition of storage silo, it so just can be and the partition of each storage silo be disassembled
Make the storage silo assembling combinations of multiple freezer units afterwards together, so just by the lesser freezer unit spliced group of each amount of storage
It is combined and then expands the use space of freezer.
It is directed to freezer proposed by the invention among the above, the invention also provides a kind of defrosts suitable for the freezer
Control method, each refrigeration equipment can be monitored the internal state of the freezer unit corresponding to it, and the present invention can needle
The problem of defrost of freezer, is improved, so refrigeration equipment, which also has, monitors freezer unit corresponding to the refrigeration equipment
Situation, to judge whether the freezer unit reaches defrost condition, defrost condition according to the control model different from of refrigeration equipment,
(duration of the refrigeration of freezer unit then meets defrost item after reaching preset value to the factor having time of defrost condition common at present
Part), (refrigeration equipment includes temperature sensor to temperature, when the tube temperature that temperature sensor detects reaches the preset temperature value of defrost
Then meet defrost condition afterwards) or time and temperature combine.This part is common technological means, this hair in existing freezer
The bright defrost condition to freezer unit does not make concrete restriction, and user can flexibly be arranged a variety of according to its own situation
Defrost condition is also feasible.
As shown in Fig. 2, a kind of defrosting control method of freezer, the freezer in the present embodiment is with the number of freezer unit for two
It is illustrated for a.
The defrosting method of freezer are as follows:
Firstly, whether thering is refrigeration equipment to reach defrost condition in monitoring freezer；
If so, operation first scheme, first scheme include:
Step 1, i.e. PC control freezer unit A switch to defrost pattern and start defrost, and simultaneously freezer unit B switches
To inverse defrost pattern to reduce the freezer unit A influence that caused temperature of ice house rises in defrost, thus reach stablize it is cold
Purpose (the freezer for reaching defrost condition that for convenience of description, will only be monitored before defrosting method operation herein of library temperature
Unit is referred to as freezer unit A, and the freezer unit of the not up to defrost condition before defrosting method operation is then known as freezer unit B)；
Whether step 2, refrigeration equipment monitoring freezer unit B also reach defrost condition during freezer unit A defrost, if it is not,
Then freezer unit A exits defrost pattern and is switched to normal refrigerating mode, while freezer unit B exits inverse defrost pattern and switches
To normal refrigerating mode, if so, entering in next step；
Step 3, PC control freezer unit B are shut down, after switch to inverse defrost pattern after the completion of freezer unit A defrost, and it is same
Shi Lengku unit B switches to defrost pattern and starts defrost；
Step 4, after the completion of freezer unit B defrost, freezer unit B switches to normal refrigerating mode fortune together with freezer unit A
Row.
If whole refrigeration equipments reach defrost condition, alternative plan is run, alternative plan includes:
Step 1, PC control a batch, which reaches defrost condition freezer unit and switches to defrost pattern, starts defrost, at the same time,
Defrost is shut down and waited to remaining freezer unit for reaching defrost condition of PC control, and a collection of freezer unit (first runs defrost mould
The freezer unit of formula) inverse defrost pattern is switched to after defrost, and next group freezer unit (first shuts down the freezer of processing simultaneously
Unit) start defrost to stablize temperature of ice house；Here the quantity of the freezer unit of every batch of is 1.
Step 2, after the completion of freezer unit whole defrost, all freezer units of freezer switch to normal refrigeration mould
Formula operation.
It should be noted that evaporator is substantially without evaporation capacity, if cold at this time when freezer unit reaches defrost condition
Library unit enters inverse defrost pattern, compressor liquid hammer is be easy to cause, so that evaporation structure be lost.
It should be noted that freezer in other embodiments includes the freezer unit for more crossing two, when refrigeration equipment reaches
When to defrost condition, the refrigeration equipment for reaching defrost condition then carries out defrost by batch, other refrigeration for being not up to defrost condition are set
It is standby at least one of work as carry out inverse defrost and influenced to reduce heating caused by defrost, then the remaining refrigeration for reaching defrost condition
Equipment downtime waits；At least one in the refrigeration equipment for having completed defrost carried out against defrost with reducing
Heating caused by the refrigeration equipment of defrost influences；Know that the equal defrost of the refrigeration equipment that all ought reach defrost condition is completed, just
Normal refrigeration is converted in the refrigeration equipment for carrying out inverse defrost.
In conclusion freezer is divided into multiple independent systems by the defrosting control method of freezer proposed in the present invention and freezer
Cold freezer unit monitors the operation conditions of each freezer unit, then this part freezer when freezer unit A reaches defrost condition
Unit starts defrost, and the freezer unit B that another part is not up to defrost condition carries out inverse defrost and runs to cool down, to solve
The problem of library temperature caused by freezer defrost of having determined in the process rises, PC control freezer unit B is shut down, to freezer unit Aization
Inverse defrost pattern is switched to after the completion of frost, and freezer unit B switches to defrost pattern and starts defrost simultaneously；When whole freezer units
When all reaching defrost condition, then PC control a batch freezer unit starts defrost, and another batch of freezer unit carries out inverse defrost and transport
Row is to cool down, and another batch of freezer unit starts defrost, while first freezer after the completion of first freezer unit defrost
Unit switches to inverse defrost and runs to cool down；Freezer is made to avoid whole defrosts always in the process of defrosting in this way, most
Caused by the reduction defrost changed greatly the problem of heating, the principle that freezer unit is synchronous with defrost against defrost is taken, it will be due to defrost
And the temperature risen is adjusted, and it is excessive to avoid temperature of ice house fluctuation.
Above specific embodiment is only to the design illustrated the present invention, and those skilled in the art are in this hair
Various deformation and variation can be made under bright design, these deformations and variation are included within protection scope of the present invention.
Claims (10)
1. a kind of defrosting control method of freezer, which is characterized in that the freezer includes independent cooling equipment by least two
Freezer unit composition；The defrosting control method comprising steps of
When there is refrigeration equipment just in defrost, other are not up at least one of refrigeration equipment of defrost condition and carry out inverse defrost
It is influenced to reduce heating caused by defrost.
2. the defrosting control method of freezer according to claim 1, which is characterized in that the refrigeration equipment enters defrost packet
Include step:
Monitor whether that refrigeration equipment reaches defrost condition；
If so, a batch reached in the refrigeration equipment of defrost condition carries out defrost, other reach defrost condition and do not carry out
The refrigeration equipment of defrost shut down and wait by batch enter defrost.
3. the defrosting control method of freezer according to claim 2, which is characterized in that the quantity of refrigeration equipment described in every batch of
It is 1.
4. the defrosting control method of freezer according to claim 2, which is characterized in that the refrigeration for reaching defrost condition
Equipment includes the part refrigeration equipment of freezer or whole refrigeration equipments of freezer.
5. the defrosting control method of freezer according to claim 4, which is characterized in that the refrigeration for reaching defrost condition
When equipment is whole refrigeration equipments, when there is refrigeration equipment to complete defrost, it is therein at least one carried out after completing defrost it is inverse
Defrost.
6. the defrosting control method of freezer according to claim 5, which is characterized in that if all systems for reaching defrost condition
Cool equipment defrost is completed, and the refrigeration equipment for carrying out inverse defrost is converted to normal refrigeration.
7. a kind of freezer, which is characterized in that carry out defrost using the defrosting control method in the claims 1 to 6.
8. freezer according to claim 7, which is characterized in that the refrigeration equipment of the freezer unit company of communicating between each other
It connects, the operation data of the refrigeration equipment of all freezer units is received by host computer, defrosting control is carried out to each refrigeration equipment.
9. freezer according to claim 8, which is characterized in that each freezer unit is equipped with for storing cargo
The storage silo being made of multiple partitions.
10. freezer according to claim 9, which is characterized in that the storage silo is detachable setting, dismantles the partition
Make the storage silo assembling combination of the multiple freezer unit together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910950443.XA CN110530094B (en) | 2019-10-08 | 2019-10-08 | Cold storage and defrosting control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910950443.XA CN110530094B (en) | 2019-10-08 | 2019-10-08 | Cold storage and defrosting control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110530094A true CN110530094A (en) | 2019-12-03 |
| CN110530094B CN110530094B (en) | 2020-11-24 |
Family
ID=68671329
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910950443.XA Active CN110530094B (en) | 2019-10-08 | 2019-10-08 | Cold storage and defrosting control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765714A (en) * | 2020-06-01 | 2020-10-13 | 珠海格力电器股份有限公司 | Group control method and device of integrated condensing unit, storage medium and condensing unit |
| CN113483510A (en) * | 2021-07-20 | 2021-10-08 | 贵州省建筑设计研究院有限责任公司 | Defrosting start-stop control method for air source heat pump |
| CN113834263A (en) * | 2021-09-16 | 2021-12-24 | 珠海格力电器股份有限公司 | Control method and device of multi-refrigerating unit system and multi-refrigerating unit system |
| CN114132478A (en) * | 2021-11-04 | 2022-03-04 | 珠海格力电器股份有限公司 | Control method, device, controller, system and equipment of refrigeration system |
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| JP2018009709A (en) * | 2016-07-11 | 2018-01-18 | 日立アプライアンス株式会社 | refrigerator |
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| CN101929779A (en) * | 2009-06-18 | 2010-12-29 | 日立空调·家用电器株式会社 | Refrigerator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765714A (en) * | 2020-06-01 | 2020-10-13 | 珠海格力电器股份有限公司 | Group control method and device of integrated condensing unit, storage medium and condensing unit |
| CN111765714B (en) * | 2020-06-01 | 2021-07-30 | 珠海格力电器股份有限公司 | Group control method and device of integrated condensing unit, storage medium and condensing unit |
| CN113483510A (en) * | 2021-07-20 | 2021-10-08 | 贵州省建筑设计研究院有限责任公司 | Defrosting start-stop control method for air source heat pump |
| CN113483510B (en) * | 2021-07-20 | 2022-11-08 | 贵州省建筑设计研究院有限责任公司 | Defrosting start-stop control method for air source heat pump |
| CN113834263A (en) * | 2021-09-16 | 2021-12-24 | 珠海格力电器股份有限公司 | Control method and device of multi-refrigerating unit system and multi-refrigerating unit system |
| CN114132478A (en) * | 2021-11-04 | 2022-03-04 | 珠海格力电器股份有限公司 | Control method, device, controller, system and equipment of refrigeration system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110530094B (en) | 2020-11-24 |
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