CN109028707A - Refrigeration storage control system and method - Google Patents
Refrigeration storage control system and method Download PDFInfo
- Publication number
- CN109028707A CN109028707A CN201810707172.0A CN201810707172A CN109028707A CN 109028707 A CN109028707 A CN 109028707A CN 201810707172 A CN201810707172 A CN 201810707172A CN 109028707 A CN109028707 A CN 109028707A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005057 refrigeration Methods 0.000 title abstract description 17
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010977 unit operation Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000283690 Bos taurus Species 0.000 description 2
- 241001494479 Pecora Species 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 244000144977 poultry Species 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 235000014102 seafood Nutrition 0.000 description 2
- 235000013305 food Nutrition 0.000 description 1
- 235000021022 fresh fruits Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- 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
- 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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- 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)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention relates to a control system of a central refrigeration house. The control system includes: the first circulating air duct comprises a first air supply channel and a first air return channel, wherein the first circulating air duct is communicated with a first refrigeration house and a second refrigeration house, and the set temperature of the second refrigeration house is higher than that of the first refrigeration house; the first air supply channel is internally provided with a first air feeder which is used for conveying cold air of the first refrigeration house to the second refrigeration house through the first air supply channel; the controller is used for controlling the starting and stopping of the first air feeder according to whether the actual temperature of the second refrigeration house is higher than the set temperature of the second refrigeration house. The method can make full use of the cold source of the central refrigeration house and reduce energy consumption.
Description
Technical field
The present invention relates to air-conditioning technical fields, more particularly to the control system and method for freezer.
Background technique
Fresh fruits and vegetables and meat are not easy to store, especially during the broiling summer, be typically necessary be placed in freezer into
Row storage.Traditional central freezer stores the food of different temperatures demand by dividing multiple and different freezers.Due to each
The temperature range of freezer setting is different, needs that refrigeration system is respectively configured for each freezer, therefore, can expend and largely be built into
Sheet and maintenance cost.
Summary of the invention
Based on this, it is necessary in view of the above-mentioned problems, a kind of Cold Storage Control System and method using centralized cooling supply is provided,
By the transporting cold-air between different freezers, so that the cold source of freezer be made to be fully used, energy consumption is reduced.
A kind of Cold Storage Control System, wherein the control system includes:
First circulation air duct and controller, the first circulation air duct include the first air-supply passage and the first return air channel,
Wherein, the first circulation air duct is connected to the first freezer and the second freezer, and the set temperature of second freezer is high
In the set temperature of first freezer；
The first pressure fan is equipped in first air-supply passage, for the cold air of first freezer to be passed through described first
Air-supply passage is delivered to second freezer；
The controller, for whether being higher than the setting temperature of second freezer according to the actual temperature of second freezer
Degree, to control the start and stop of first pressure fan.
The control system in one of the embodiments, further include:
Air-conditioner set, when being higher than the set temperature of first freezer for the actual temperature in first freezer, institute
Air-conditioner set operation is stated, provides cold air for first freezer.
The control system in one of the embodiments, further include:
The first temperature-detecting device being set in first return air channel, for detecting the reality of second freezer
Temperature, and the actual temperature of second freezer is sent to the controller.
The number of second freezer is multiple in one of the embodiments,；
Each second freezer passes through the first air-supply passage and is connected to respectively with first freezer；
It is equipped with pressure fan in each first air-supply passage, it is described for the cold air of first freezer to be delivered to
Second freezer.
The control system in one of the embodiments, further include:
Second circulation air duct, the second circulation air duct include the second air-supply passage and the second return air channel,
Wherein, the second circulation air duct is connected to the second freezer and third freezer, and the set temperature of the third freezer is high
In the set temperature of second freezer；
The second pressure fan is equipped in second air-supply passage, for the cold air of second freezer to be passed through described second
Air-supply passage is delivered to the third freezer；
The controller is also used to whether be higher than according to the actual temperature of the third freezer setting of the third freezer
Temperature controls the start and stop of second pressure fan.
Multiple freezers, multiple circulation air paths and controller constitute central Cold Storage Control system in one of the embodiments,
System.
A kind of Cold Storage Control method, wherein the control method includes:
Obtain the actual temperature of the second freezer；
Judge whether the actual temperature of second freezer is higher than the set temperature of second freezer；
If the determination result is YES, then control is mounted on sending in the air-supply passage of the first freezer of connection and second freezer
The cold air of first freezer is delivered to second freezer by the air-supply passage by blower；
Wherein, the set temperature of second freezer is higher than the set temperature of first freezer.
The actual temperature for obtaining the second freezer in one of the embodiments, comprising:
The temperature of temperature-detecting device detection is obtained, and the temperature that the temperature-detecting device is detected is as described second
The actual temperature of freezer.
Control is mounted on sending for the air-supply passage of the first freezer of connection and second freezer in one of the embodiments,
The cold air of first freezer is delivered to second freezer by the air-supply passage by blower, comprising:
When the temperature of temperature-detecting device detection is higher than the set temperature of second freezer, the air-supply is controlled
Machine is opened, and the cold air of first freezer is delivered to second freezer by the air-supply passage.
The control method in one of the embodiments, further include:
When the actual temperature of first freezer is higher than the set temperature of first freezer, control air-conditioner set fortune
Row, provides cold air for first freezer.
Above-mentioned Cold Storage Control System and method can effectively solve the problem that each freezer is mutually indepedent, and each freezer requires to configure
Independent air-conditioner set and caused by repeat the problem of building refrigeration system and ventilation circuit, make full use of cold source to play,
Reduce the effect of energy loss.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the Cold Storage Control System of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of the Cold Storage Control System of another embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the Cold Storage Control System of another embodiment of the present invention；
Fig. 4 is the flow chart of the control method of the freezer of one embodiment of the invention；
Fig. 5 is the structural schematic diagram of the Cold Storage Control System of another embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to of the invention
The control system and method for central freezer are illustrated.It should be appreciated that specific embodiment described herein is only used to explain
The present invention is not intended to limit the present invention.
As shown in Figure 1, An embodiment provides a kind of Cold Storage Control System 100, the Cold Storage Control System
Including first circulation air duct and controller 103.The first circulation air duct includes the first air-supply passage 104 and the first return air channel
107, the first circulation air duct is connected to the first freezer 101 and the second freezer 102, wherein the set temperature of the first freezer 101 is
T1, the set temperature of the second freezer 102 is T2, T2≥T1.The first pressure fan 105 is provided in the first air-supply passage 104, the
Cold air in first freezer 101 can be delivered to the second freezer 102 by the first air-supply passage 104 by one pressure fan 105.Control
Whether device 103 is higher than the set temperature of the second freezer 102 according to the actual temperature of the second freezer 102, thus the first air-supply of control
The start and stop of machine 105.
The Cold Storage Control System that the present embodiment proposes, is delivered to setting for the cold air in lower first freezer of set temperature
Higher second freezer of temperature, avoids and builds individual refrigeration system and ventilation circuit for the second freezer, can save the cost,
Cooling capacity is made full use of, to avoid energy waste；Meanwhile the start and stop of pressure fan are controlled by controller, when the reality of the second freezer
When border temperature is not higher than its set temperature, pressure fan does not work, and when the actual temperature of the second freezer is higher than its set temperature, send
Blower is just opened, and can play the role of energy saving in this way.
Optionally, the air inlet in the first air-supply passage 104 can be set in the first pressure fan of the present embodiment 105, can also
The middle position of the first air-supply passage 104 is arranged in.
The first pressure fan 105 is arranged in this implementation in the first air-supply passage 104, it is intended to by the cold air of the first freezer 101
It is delivered to the second freezer 102, as long as therefore guaranteeing that the cold air of the first freezer 101 can be delivered to second by the first pressure fan 105
Freezer 102 flexible setting, the application can also not limit the installation site of the first pressure fan 105 herein according to actual needs
It is fixed.
As an alternative embodiment, Cold Storage Control System 100 provided by the above embodiment further include: air-conditioner set
106, cold air is provided for the first freezer 101, wherein air-conditioner set 106 is mountable in the first freezer 101.Optionally, first
When the actual temperature of freezer 101 is higher than the set temperature of the first freezer 101, air-conditioner set 106 is run, and is mentioned for the first freezer 101
For cold air；When the actual temperature of the first freezer 101 is not higher than the set temperature of the first freezer 101, air-conditioner set 106 stops fortune
Row, no longer provides cold air for the first freezer 101.
The Cold Storage Control System that the present embodiment proposes, it is cold by detection first using an air-conditioner set centralization cooling supply
Whether the actual temperature in library is higher than its set temperature, to control the start and stop of the air-conditioner set.When the practical temperature of the first freezer
When degree is higher than its set temperature, the air-conditioner set is just opened, and can reduce the unnecessary wasting of resources in this way, plays reduction energy
The effect of consumption.
As an alternative embodiment, the control system 100 of freezer provided by the above embodiment further include: first
First temperature-detecting device 108 is set in return air channel 107, and the first temperature-detecting device 108 is for detecting the second freezer 102
Actual temperature TIt surveys.First temperature-detecting device 108 is obtaining TIt surveysAfter can be by the TIt surveysIt is sent to controller 103.
Optionally, the first temperature-detecting device 108 can detect the reality of the second freezer 102 according to the preset time interval
Temperature TIt surveys.Such as: a T is obtained at interval of 5minIt surveys。
Optionally, the T that the first temperature-detecting device 108 will can obtain each timeIt surveysIt is sent to controller 103, it can also
Only in TIt surveysWhen >=T2, signal is sent to controller 103.
Optionally, the first temperature-detecting device 108 may be mounted at the air inlet or air outlet of the first return air channel 107
Place, also may be mounted at the middle position of the first return air channel 107, also may be mounted in the second freezer 102.
First temperature-detecting device 108 of this implementation, it is intended to it is capable of the actual temperature of the second freezer of real-time detection 102, and
The temperature feedback that will test to controller 103, as long as therefore guarantee the first temperature-detecting device 108 can real-time detection to the
The actual temperature of two freezers 102 can also flexibly set the installation site of the first temperature-detecting device 108 according to actual needs
It sets, the application is it is not limited here.
Optionally, the first temperature-detecting device 108 can be temperature sensor, temperature monitor, temperature polling instrument isothermal
Spend one or more of detection device.
Optionally, the first temperature-detecting device 108 can be connect by shielded cable with controller 103, and pass through the screen
Cover the actual temperature T for the second freezer 102 that cable will testIt surveysPass to controller 103.Optionally, which can be with
For transmitting the temperature signal of 4~20mA or 0~101V.
The present embodiment detects the actual temperature of the second freezer 102 by the first temperature-detecting device 108, it is ensured that the
The temperature that one temperature-detecting device 108 detects is not higher than the set temperature of the second freezer 102, and then guarantees the second freezer 102
Actual temperature within a preset range.Even if such second freezer 102 does not configure individual refrigeration system, pass through the first freezer
101 cold air conveying is it is also ensured that the temperature of the second freezer 102 controls below its set temperature.
In another embodiment, as shown in Fig. 2, providing a kind of Cold Storage Control System 200, including a plurality of first circulation wind
Road (such as can be set to three) and controller 203.The a plurality of first circulation air duct includes a plurality of first air-supply passage 204
(such as can be set to three) and a plurality of first return air channel 206 (such as can be set to three), every first circulation wind
Road is respectively communicated with the first freezer 201 and the second freezer 202 (such as can be set to three), wherein the setting of the first freezer 201
Temperature is T1, the set temperature of the second freezer 202 is respectively T2, T2≥T1.It is provided in every first air-supply passage 204
First pressure fan 205, for the cold air of the first freezer 201 to be delivered to corresponding second freezer 202.Controller 203 distinguishes root
Whether the actual temperature according to every one second freezer 202 is higher than the set temperature of the second freezer 202, to control every one second freezer
The start and stop of 202 corresponding pressure fan 205.
Such as: a certain control system 200 includes three first circulation air ducts and controller 203, each circulation air path point
It is not connected to the first freezer 201 and three the second freezers (second freezer 202a, the second freezer 202b and the second freezer 202c),
In, the set temperature of the second freezer 202a is T2a, the set temperature of the second freezer 202b is T2b, the setting of the second freezer 202c
Temperature is T2c, T2a、T2bAnd T2cIt can be set as identical temperature value, also can be set as different temperature values, but must satisfy
T2a、T2bAnd T2cIt is all larger than and is equal to T1.Further, corresponding first air-supply passage of the second freezer 202a is air-supply passage 204a, the
One return air channel is return air channel 206a, and corresponding first air-supply passage of the second freezer 202b is air-supply passage 204b, first time
Wind channel is return air channel 206b, and corresponding first air-supply passage of the second freezer 202c is air-supply passage 204c, the first return air is logical
Road is return air channel 206c.
Optionally, the second freezer 202 can be set four, five, six etc..But need to guarantee 201 energy of the first freezer
Enough guarantee the cold air demand of multiple second freezers 202, if the number of the second freezer 202 setting is excessive, it cannot be guaranteed that first
Freezer 201 has enough air conditioning quantities to use for multiple second freezers 202.Therefore, the number of the second freezer 202 setting needs to control
In reasonable range.
The Cold Storage Control System that the present embodiment proposes is multiple second freezer transporting cold-airs by first freezer, and
Multiple pressure fan are controlled by a controller, while avoiding refrigeration system and ventilation circuit repeats to build,
Also it is able to achieve the reasonable utilization of resource.
In another embodiment, as shown in figure 3, providing the control system 300 of another freezer, including first circulation wind
Road, second circulation air duct and controller 303.The first circulation air duct includes that the first air-supply passage 304 and the first return air are logical
Road 309, the second circulation air duct include the second air-supply passage 307 and the second return air channel 310.The first circulation air duct connects
Logical first freezer 301 and the second freezer 302, the second circulation air duct are connected to the second freezer 302 and third freezer 303, wherein
The set temperature of first freezer 301 is T1, the set temperature of the second freezer 302 is T2, the set temperature of third freezer 303 is T3,
T3≥T2≥T1.Whether controller 303 is higher than the set temperature of the second freezer 302 according to the actual temperature of the second freezer 302, from
And control the start and stop of the first pressure fan 305；Meanwhile whether controller 303 is higher than third according to the actual temperature of third freezer 306
The set temperature of freezer 306, thus the start and stop of the second pressure fan 308 of control.
Cold air in first freezer is delivered to the second freezer by the Cold Storage Control System that the present embodiment proposes, and then by the
Cold air in two freezers is delivered to third freezer, realizes while avoiding refrigeration system and ventilation circuit is repeated and built cold
The transmitting of gas makes cold air obtain abundant, reasonable use.
In another embodiment, can by multiple freezers, temperature is different according to demand, be arranged successively, adopt according to its freezer area
Adjacent freezer is sequentially communicated with a plurality of circulation air path；Wherein, which includes air-supply passage and return air channel, each
A pressure fan is correspondingly arranged in air-supply passage, which is sent in the cold air that the lower freezer of temperature will be arranged by this
Air-supply passage where blower is delivered to the setting higher freezer of temperature；Controller can be according to the setting higher freezer of temperature
Whether actual temperature, which is higher than it, is arranged temperature, to control the start and stop of pressure fan.Multiple freezers, multiple circulation air paths and control
Device constitutes central Cold Storage Control System.
The Cold Storage Control System that the present embodiment proposes, multiple freezers, multiple circulation air paths and controller is arranged evenly,
Central Cold Storage Control System is constituted, the centralized cooling supply of larger central freezer may be implemented, realizes adjacent freezer in central freezer
Between cold air conveying, play the effect for making full use of cold source.
As shown in figure 4, this method comprises the following steps for the Cold Storage Control method that one of embodiment proposes:
Step S201 obtains the actual temperature of the second freezer.
Wherein, the temperature of temperature-detecting device detection is obtained, and the temperature that the temperature-detecting device is detected is as institute
State the actual temperature of the second freezer.
Step S202, judges whether the actual temperature of second freezer is higher than the set temperature of second freezer.
Wherein, the set temperature of second freezer is higher than the set temperature of the first freezer, and temperature-detecting device will test
To the actual temperature of second freezer feed back to controller, the controller is by the actual temperature of second freezer and institute
The set temperature for stating the second freezer is compared.
Step S203, if the determination result is YES, then control is mounted on the air-supply of connection the first freezer and second freezer
The cold air of first freezer is delivered to second freezer by the air-supply passage by the pressure fan in channel.
Wherein, when the actual temperature of second freezer is higher than T2When, the controller controls first pressure fan and opens
It opens, the cold air of first freezer is delivered to second freezer；When the actual temperature of second freezer is not higher than T2When,
First pressure fan does not work.
Whether the Cold Storage Control method that the present embodiment proposes, be higher than second freezer according to the actual temperature of the second freezer
Set temperature, to control whether to avoid from the first freezer to the second freezer transporting cold-air and individually build system for the second freezer
While cooling system and ventilation circuit, making full use of for cold air can be realized, thus energy saving.
In one embodiment, it is additionally provided with air-conditioner set, the temperature sensing package inside the air-conditioner set is described for detecting
The actual temperature of first freezer, when the actual temperature for first freezer that the temperature sensing package detects is higher than T1When, the sky
Unit operation is adjusted, provides cold air for first freezer；When the actual temperature for first freezer that the temperature sensing package detects
Not higher than T1When, the air-conditioner set is out of service, no longer provides cold air for first freezer.
The Cold Storage Control method that the present embodiment proposes passes through detection first in the way of air-conditioner set centralization cooling supply
Whether the actual temperature of freezer is higher than its set temperature, to control the start and stop of the air-conditioner set, can reduce energy consumption.
As shown in figure 5, being an application scenarios embodiment of Cold Storage Control System of the present invention, a kind of freezer control is provided
System 400 processed, the system include freezer, which is divided into: river is fresh and seafood freezer 401, semi-finished product freeze
Library 402 and poultry and cattle and sheep class freezer 403.Wherein, the fresh set temperature with seafood freezer in river is -25 DEG C, and half
The set temperature of finished product freezer is -22 DEG C, and the set temperature of poultry and cattle and sheep class freezer is -18 DEG C.
Wherein, above system further includes the air-supply passage 404 and return air channel for being connected to freezer 401 and freezer 402
409, and the air-supply passage 407 and return air channel 410 of connection freezer 402 and freezer 406.It is set in air-supply passage 404
It is equipped with pressure fan 405, the cold air in freezer 401 can be delivered to freezer 402 by air-supply passage 404 by pressure fan 405；
It is provided with pressure fan 408 in air-supply passage 407, pressure fan 408 can will be cold in freezer 402 by air-supply passage 407
Gas is delivered to freezer 406.
Wherein, above system further includes controller 403, and whether controller 403 is high according to the actual temperature of freezer 402
In -22 DEG C, to control the start and stop of pressure fan 405；Whether controller 403 can also high according to the actual temperature of freezer 406
In -18 DEG C, to control the start and stop of pressure fan 408.
The Cold Storage Control System that the present embodiment proposes can be built by way of the transporting cold-air between different freezers
At the cold air transfer passage between different freezers, so as to make full use of cold source and realize unified regulation.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of Cold Storage Control System, which is characterized in that the control system includes:
First circulation air duct and controller, the first circulation air duct include the first air-supply passage and the first return air channel,
Wherein, the first circulation air duct is connected to the first freezer and the second freezer, and the set temperature of second freezer is higher than institute
State the set temperature of the first freezer；
The first pressure fan is equipped in first air-supply passage, for the cold air of first freezer to be blown by described first
Channel is delivered to second freezer；
The controller, for whether being higher than the set temperature of second freezer according to the actual temperature of second freezer,
To control the start and stop of first pressure fan.
2. control system according to claim 1, which is characterized in that the control system further include:
Air-conditioner set, when being higher than the set temperature of first freezer for the actual temperature in first freezer, the sky
Unit operation is adjusted, provides cold air for first freezer.
3. control system according to claim 1, which is characterized in that the control system further include:
The first temperature-detecting device being set in first return air channel, for detecting the practical temperature of second freezer
Degree, and the actual temperature of second freezer is sent to the controller.
4. control system according to claim 1, which is characterized in that the number of second freezer is multiple；
Each second freezer passes through the first air-supply passage and is connected to respectively with first freezer；
It is equipped with pressure fan in each first air-supply passage, for the cold air of first freezer to be delivered to described second
Freezer.
5. control system according to claim 1, which is characterized in that the control system further include:
Second circulation air duct, the second circulation air duct include the second air-supply passage and the second return air channel,
Wherein, the second circulation air duct is connected to second freezer and third freezer, and the set temperature of the third freezer is high
In the set temperature of second freezer；
The second pressure fan is equipped in second air-supply passage, for the cold air of second freezer to be blown by described second
Channel is delivered to the third freezer；
The controller is also used to whether be higher than according to the actual temperature of the third freezer setting temperature of the third freezer
Degree controls the start and stop of second pressure fan.
6. control system according to claim 1, which is characterized in that multiple freezers, multiple circulation air paths and controller
Constitute central Cold Storage Control System.
7. a kind of Cold Storage Control method, which is characterized in that the control method includes:
Obtain the actual temperature of the second freezer；
Judge whether the actual temperature of second freezer is higher than the set temperature of second freezer；
If the determination result is YES, then control is mounted on the air-supply in the air-supply passage of the first freezer of connection and second freezer
The cold air of first freezer is delivered to second freezer by the air-supply passage by machine；
Wherein, the set temperature of second freezer is higher than the set temperature of first freezer.
8. control method according to claim 7, which is characterized in that the actual temperature for obtaining the second freezer, comprising:
The temperature of temperature-detecting device detection is obtained, and the temperature that the temperature-detecting device is detected is as second freezer
Actual temperature.
9. control method according to claim 8, which is characterized in that control is mounted on connection the first freezer and described second
It is cold by the air-supply passage to be delivered to described second by the pressure fan of the air-supply passage of freezer for the cold air of first freezer
Library, comprising:
When the temperature of temperature-detecting device detection is higher than the set temperature of second freezer, controls the pressure fan and open
It opens, the cold air of first freezer is delivered to second freezer by the air-supply passage.
10. control method according to claim 9, which is characterized in that the control method further include:
When the actual temperature of first freezer is higher than the set temperature of first freezer, control air-conditioner set operation is
First freezer provides cold air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707172.0A CN109028707A (en) | 2018-07-02 | 2018-07-02 | Refrigeration storage control system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810707172.0A CN109028707A (en) | 2018-07-02 | 2018-07-02 | Refrigeration storage control system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667637A (en) * | 2020-05-11 | 2020-09-15 | 中外运冷链物流有限公司 | Method for calculating electricity charge of single refrigeration house of centralized refrigeration system |
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