CN109506350A - A kind of refrigerating method and system - Google Patents
A kind of refrigerating method and system Download PDFInfo
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- CN109506350A CN109506350A CN201811407894.0A CN201811407894A CN109506350A CN 109506350 A CN109506350 A CN 109506350A CN 201811407894 A CN201811407894 A CN 201811407894A CN 109506350 A CN109506350 A CN 109506350A
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- compressor
- refrigeration
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- opening times
- minimum
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
Abstract
The present invention relates to technical field of temperature control, more particularly to a kind of refrigerating method and system, which comprises at least two compressors of setting, and each compressor is numbered, record the opening times of each compressor；When needing to freeze, refrigeration series is determined；The compressor is ranked up from low to high according to opening times；If there is the compressor that opening times are minimum, then sequentially opened according to the refrigeration series from the compressor starts of minimum opening times.Through the invention, service life when multi-compressor refrigeration is improved.
Description
Technical field
The present invention relates to technical field of temperature control, more particularly to a kind of refrigerating method and system.
Background technique
It is connected at present by temperature controller in the refrigeration control system of multiple compressors, refrigeration demand is divided into multistage, such as divides
For three-level, need to open the first compressor when the operation of first order refrigeration demand；It needs to open when the operation of second level refrigeration demand
A first compressor and a second compressor is opened, needs to open the first compressor, the second compressor when the operation of third level refrigeration demand
And third compressor.If not carrying out alternative expression unlatching to multiple compressors, the first compressor is opened in three-level refrigeration demand
Number will be more and more to make the service life of the first compressor reduce.
Summary of the invention
For the defects in the prior art with deficiency, the present invention provides a kind of refrigerating method and systems, to improve multiple pressure
Service life when contracting mechanism cold.
To achieve the goals above, the present invention provides the following technical scheme that
A kind of refrigerating method, which comprises
At least two compressors are set, and each compressor is numbered, record the opening times of each compressor；
When needing to freeze, refrigeration series is determined；
The compressor is ranked up from low to high according to opening times；
If there is the compressor that opening times are minimum, then opened according to the refrigeration series from the compressor of minimum opening times
Beginning sequentially opens.
Optionally, the method also includes:
If being not turned on the minimum compressor of number, according to number from low to high or from high to low to the compressor
It is ranked up, and is sequentially opened according to the refrigeration series from lowest number or from the compressor starts that highest is numbered.
Optionally, the method also includes:
If being not turned on the minimum compressor of number, required amount of compression is randomly selected according to the refrigeration series
Machine is opened.
Optionally, the method also includes:
After receiving refrigeration instruction, whether real-time monitoring has window to be opened and continues setting time；
Obtain room temperature；
If the room temperature is greater than or equal to set temperature, and does not have window to be opened and continues setting time,
Then determination needs to freeze.
Optionally, the method also includes:
After compressor unlatching, if having monitored that window is opened and continues setting time, all compressors are closed.
A kind of refrigeration system, the system comprises:
Temperature controller and at least two compressors connecting respectively with the temperature controller, each compressor have respective volume
Number；The temperature controller records the opening times of each compressor；
The temperature controller determines refrigeration series, according to opening times from low to high to the compressor when needing to freeze
It is ranked up；If there is the compressor that opening times are minimum, then according to the refrigeration compressor of the series from minimum opening times
Start sequentially to open compressor.
Optionally, the temperature controller is when being not turned on the minimum compressor of number, according to number from low to high or by height
The compressor is ranked up to low, and according to it is described refrigeration series from lowest number or from highest number compressor starts
Sequentially open compressor.
Optionally, the temperature controller is selected when being not turned on the minimum compressor of number according to the refrigeration series at random
Required amount of compressor is taken to open.
Optionally, the system also includes the command reception module, temperature sensor and the switches that connect with the temperature controller
Sensor；
Described instruction receiving module is opened described in triggering for receiving refrigeration instruction, and after receiving the refrigeration instruction
It closes sensor and temperature sensor powers on；
Whether the switch sensor is set on monitored window, have window to be opened for real-time monitoring, and to
Temperature controller transmits switching signal；
The temperature sensor is for monitoring room temperature；
The temperature controller obtains room temperature from the temperature sensor, and is determined whether according to the switching signal fenestrate
Family is opened and continues setting time；If the room temperature is greater than or equal to set temperature, and is opened without window
And continue setting time, it is determined that need to freeze.
Optionally, the temperature controller is also used to after compressor is opened, and judgement has window to be opened and continues setting time,
Then close all compressors.
The beneficial effects of the present invention are:
Refrigerating method provided in an embodiment of the present invention and system are needing to make by recording the opening times of each compressor
When cold, refrigeration series is determined；The temperature controller is from low to high ranked up the compressor according to opening times；If there is opening
The minimum compressor of number is opened, then compression is sequentially opened from the compressor starts of minimum opening times according to the refrigeration series
Machine.By the invention it is possible to work alternatively multiple compressors in turn, making for compressor in Multi-compressor refrigeration system is improved
Use the service life.
Detailed description of the invention
Fig. 1 is a kind of flow chart of refrigerating method of the embodiment of the present invention.
Fig. 2 is another flow chart of refrigerating method of the embodiment of the present invention.
Fig. 3 is another flow chart of refrigerating method of the embodiment of the present invention.
Fig. 4 is another flow chart of refrigerating method of the embodiment of the present invention.
Fig. 5 is a kind of structural schematic diagram of refrigeration system of the embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to be further understood that feature and technology contents of the invention, with reference to the accompanying drawing
It elaborates with embodiment to the embodiment of the present invention.
The embodiment of the present invention provides a kind of refrigerating method and system, for the refrigeration system at least two compressors,
Each compressor is numbered, and records the opening times of each compressor.When needing to freeze, if there is the compression that opening times are minimum
Machine is then sequentially opened according to the refrigeration series from the compressor starts of minimum opening times；Otherwise according to the refrigeration series
It is sequentially opened from the compressor starts of lowest number.So as to so that multiple compressors carry out alternative expression unlatching, and not always according to
It is opened according to compressor number order, effectively improves the service life of each compressor.
As shown in Figure 1, being the first flow chart of refrigerating method of the embodiment of the present invention, it is applied to that there are at least two sequences
The compressor refrigeration system of number, method includes the following steps:
Step 101: starting.
Step 102；It detects whether to need to freeze；If so, executing step 103；Otherwise, step 102 is executed.
For example, determination needs to freeze after receiving refrigeration instruction.The refrigeration instruction can be infrared remote-controlled signal, open
OFF signal, audio controls etc., without limitation to this embodiment of the present invention.
Step 103: determining refrigeration series.
Step 104: the compressor being ranked up from low to high according to opening times.
Step 105: detecting whether the minimum compressor of opening times；If so, executing step 106.
It should be noted that the minimum compressor of opening times may have it is multiple, for the identical compression of the opening times
The compressor of identical opening times can be numbered and be ranked up, then according to the refrigeration pressure of the series from lowest number by machine
Contracting machine starts sequentially to open.Further, in this case, it is not limited to sequentially open from the compressor starts of lowest number,
It can also sequentially be opened from the compressor starts that highest is numbered.
Step 106: sequentially being opened according to the refrigeration series from the compressor starts of minimum opening times, and recording compressed
The opening times of machine.
Specifically, as shown in figure 5, the first compressor, the second compressor and third compressor are numbered 1 in advance,
2,3；When having refrigeration demand and the series that freezes is 1 grade: preparing to open compressor, judge current opening times lowest compression
Machine, and the opening times of opening times lowest compression machine are added 1；If minimum by numbering without the compressor that opening times are minimum
Compressor is opened, and adds 1 for minimum compressor opening times are numbered.
Certainly, if the opening times of each compressor are all the same, respective numbers can also be opened according to refrigeration series at random
Compressor, or according to the number order of compressor it is ascending or it is descending successively open respective numbers compressor.
Refrigerating method provided in an embodiment of the present invention numbers each compressor；When needing to freeze, refrigeration series is determined；
The compressor is ranked up from low to high according to opening times；If there is the compressor that opening times are minimum, then according to institute
It states refrigeration series sequentially to open from the compressor starts of minimum opening times, and the opening times of recording compressed machine；By this hair
It is bright, in such a way that alternative expression opens compressor, phenomenon that can be excessive to avoid any one compressor opening times, thus into
One step it ensure that system service life will not reduce.
For the whole identical situation of opening times of all compressors, the present invention provides another embodiments, such as Fig. 2
Shown is another flow chart of multi-compressor refrigerating method of the embodiment of the present invention, comprising the following steps:
Step 201: starting.
Step 202；It detects whether to need to freeze；If so, executing step 203；Otherwise, step 202 is executed.
Step 203: determining refrigeration series.
Step 204: the compressor being ranked up from low to high according to opening times.
Step 205: detecting whether the minimum compressor of opening times；If so, executing step 206；Otherwise, step is executed
Rapid 207.
Step 206: sequentially being opened according to the refrigeration series from the compressor starts of minimum opening times, and recording compressed
The opening times of machine.
Step 207: the compressor being ranked up from low to high according to number, and according to the refrigeration series from minimum
The compressor starts of number are sequentially opened, and the opening times of recording compressed machine.
Refrigerating method provided in an embodiment of the present invention, when there is the minimum compressor of opening times, then according to the refrigeration
Series is sequentially opened from the compressor starts of minimum opening times, and the opening times of recording compressed machine；When in all compressors
It is not turned on the minimum compressor of number, then the compressor is ranked up from low to high according to number, and according to the system
Cold series is sequentially opened from the compressor starts of lowest number, and the opening times of recording compressed machine.The embodiment of the present invention provides
Refrigerating method, when being not turned on the minimum compressor of number in all compressors, then selection opened from the compressor of lowest number
The several compressors of the control refrigeration-grade that begins are opened, and it is excessive to avoid same compressor opening times, to further improve multiple pressure
The service life of each compressor when contracting mechanism cold.
In order to save the energy, the present invention provides another embodiments, are refrigerating method of the embodiment of the present invention as shown in Figure 3
The third flow chart, comprising the following steps:
Step 301: starting.
Step 302；It detects whether to receive refrigeration instruction；If so, executing step 303；Otherwise, step 302 is executed.
Step 303: obtaining room temperature, and whether real-time monitoring has window to be opened and continue (such as 2 points of setting time
Clock).
Step 304, judge whether the room temperature is greater than or equal to set temperature, and be opened and hold without window
Continuous setting time；If so, thening follow the steps 305；Otherwise, step 304 is executed.
Step 305, refrigeration series is determined.
Step 306: the compressor being ranked up from low to high according to opening times.
Step 307: detecting whether the minimum compressor of opening times；If so, executing step 308；Otherwise, step is executed
Rapid 309.
Step 308: sequentially being opened according to the refrigeration series from the compressor starts of minimum opening times, and recording compressed
The opening times of machine；Then step 310 is executed.
Step 309: the compressor being ranked up from low to high according to number, and according to the refrigeration series from minimum
The compressor starts of number are sequentially opened, and the opening times of recording compressed machine.
Refrigerating method provided in an embodiment of the present invention will not only determine after receiving refrigeration instruction according to room temperature
Whether need to freeze, but also to judge whether there is window and be opened and continue setting time.Only it is opened in no window
And continue setting time, and room temperature just can open respective numbers according to refrigeration series greater than in the case where set temperature
Compressor improve the service life of multi-compressor so as to avoid energy waste caused by the case of windowing.
Certainly, in practical applications, when not needing refrigeration, for example, receive stop refrigeration finger it is cold after, close all
Compressor.
The present invention provides the flow charts for the refrigerating method that another embodiment, the embodiment provide, comprising the following steps:
Step 401: starting.
Step 402: obtaining room temperature.
Step 403: detecting whether the room temperature is greater than or equal to set temperature；If so, executing step 404；It is no
Then, step 403 is executed.
It should be noted that set temperature is determined according to the climate temperature of different geographical, such as set temperature are as follows: 24 DEG C~
Any temperature value between 27 DEG C.
Step 404: determining refrigeration series.
Step 405: the compressor being ranked up from low to high according to opening times.
Step 406: detecting whether the minimum compressor of opening times；If so, executing step 407；Otherwise, step is executed
Rapid 408.
Step 407: sequentially being opened according to the refrigeration series from the compressor starts of minimum opening times, and recording compressed
The opening times of machine；Then step 409 is executed.
Step 408: the compressor being ranked up from low to high according to number, and according to the refrigeration series from minimum
The compressor starts of number are sequentially opened, and the opening times of recording compressed machine；Then step 409 is executed.
Step 409: judging whether there is window and be opened and continue setting time；If so, thening follow the steps 410；Otherwise,
Execute step 409.
Step 410: closing all compressors.
Refrigerating method provided in an embodiment of the present invention has monitored that window is opened and continues to set in process of refrigerastion
Time then closes all compressors, saves resource, has ensured the service life of all compressors.
Certainly, to whether window is opened and continues the monitoring of setting time in above-mentioned process of refrigerastion, before being equally applicable to
Each embodiment in face.
Correspondingly, the embodiment of the invention also provides a kind of refrigeration systems, as shown in figure 5, the system comprises: temperature controller
And at least two compressors connecting respectively with the temperature controller, each compressor have respective number；The temperature controller note
Record the opening times of each compressor；The temperature controller determines refrigeration series, from low to high according to opening times when needing to freeze
The compressor is ranked up；If there is the compressor that opening times are minimum, then according to the refrigeration series from minimum unlatching
The compressor starts of number sequentially open compressor.As shown in figure 5, multiple compressors include: the first compressor, the second compressor
And third compressor, the first compressor, the second compressor and third compressor have respective number, temperature controller record is each
The opening times of compressor.
Specifically, as shown in figure 3, the first compressor, the second compressor and third compressor number are respectively 1,2,3；
When having refrigeration demand and the series that freezes is 1 grade: temperature controller prepares to open compressor, judges current opening times minimal pressure
Contracting machine, and add 1 by the unlatching of opening times lowest compression machine, and by the opening times of the compressor of record；If secondary without opening
The minimum compressor of number, can open any one compressor, and the opening times of the compressor of record are added 1 at random,
Or minimum or highest compressor will be numbered and opened, and the opening times of the compressor are added 1.
It should be noted that the minimum compressor of opening times may have it is multiple, for the identical compression of the opening times
The compressor of identical opening times can be numbered and be ranked up, then according to the refrigeration pressure of the series from lowest number by machine
Contracting machine starts sequentially to open.Further, in this case, it is not limited to sequentially open from the compressor starts of lowest number,
It can also sequentially be opened from the compressor starts that highest is numbered.
Refrigeration system provided in an embodiment of the present invention, temperature controller records the opening times of each compressor, when needing to freeze,
Determine refrigeration series；The temperature controller is from low to high ranked up the compressor according to opening times；It is secondary if there is opening
The minimum compressor of number, then sequentially open compressor from the compressor starts of minimum opening times according to the refrigeration series；It is logical
The present invention is crossed, in such a way that alternative expression opens compressor, phenomenon that can be excessive to avoid any one compressor opening times,
To further ensure that system service life will not reduce.
Further, in another embodiment of the invention, the temperature controller when being not turned on the minimum compressor of number,
The compressor can be ranked up from low to high or from high to low according to number, and according to the refrigeration series from minimum volume
Number or highest number compressor starts sequentially open compressor.
In the embodiment of the present invention, when having the minimum compressor of opening times in all compressors, temperature controller is according to
Refrigeration series sequentially opens compressor from the compressor starts of minimum opening times；Number is not turned in all compressors most
Low compressor, temperature controller from low to high or are from high to low ranked up the compressor according to number, and according to the system
Cold series sequentially opens compressor from the compressor starts that lowest number or highest are numbered, so that multiple compressors be allow to replace
Work, it is excessive to avoid same compressor opening times, to further improve each compressor in Multi-compressor refrigeration system
Service life.
Further, in order to save resource, in another embodiment of the invention, the command reception that is connect with the temperature controller
Module, temperature sensor and switch sensor.According to the difference of application environment, the switch sensor can be set one or more
It is a.Wherein:
Described instruction receiving module is opened described in triggering for receiving refrigeration instruction, and after receiving the refrigeration instruction
It closes sensor and temperature sensor powers on；
Whether the switch sensor is set on monitored window, have window to be opened for real-time monitoring, and to
Temperature controller transmits switching signal；
The temperature sensor is for monitoring room temperature；
The temperature controller obtains room temperature from the temperature sensor, and is determined whether according to the switching signal fenestrate
Family is opened and continues setting time；If the room temperature is greater than or equal to set temperature, and is opened without window
And continue setting time, it is determined that need to freeze.
In practical applications, the refrigeration instruction can be infrared remote-controlled signal, switching signal, audio controls etc.,
Without limitation to this embodiment of the present invention.
It should be noted that set temperature can be determined according to the climate temperature of different geographical, such as set temperature are as follows: 24
DEG C~27 DEG C between any temperature value.
Multi-compressor refrigeration system provided in an embodiment of the present invention not only will be according to interior after receiving refrigeration instruction
Temperature determines the need for freezing, but also to judge whether there is window and be opened and continue setting time.Only in no window
In the case that family is opened and continues setting time, and room temperature is greater than set temperature, it can just be opened according to refrigeration series
The compressor of respective numbers improves the service life of multi-compressor so as to avoid energy waste caused by the case of windowing.
Certainly, in practical applications, when not needing refrigeration, for example described instruction receiving module receives and stops refrigeration
Refer to it is cold after, the temperature controller closes all compressors.
Further, after compressor unlatching, temperature controller has according to the switching signal of the switch sensor received, judgement
In the case that window is opened and continues setting time, all compressors can be also closed, can further save the energy.
The embodiment of the present invention has been described in detail above, and specific embodiment used herein carries out the present invention
It illustrates, the above embodiments are only used to help understand system and method for the invention；Meanwhile for the one of this field
As technical staff, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, to sum up institute
It states, the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of refrigerating method, which is characterized in that the described method includes:
At least two compressors are set, and each compressor is numbered, record the opening times of each compressor；
When needing to freeze, refrigeration series is determined；
The compressor is ranked up from low to high according to opening times；
If there is the compressor that opening times are minimum, then according to the refrigeration series from the compressor starts of minimum opening times according to
Sequence is opened.
2. refrigerating method according to claim 1, which is characterized in that the method also includes:
If being not turned on the minimum compressor of number, the compressor is carried out from low to high or from high to low according to number
Sequence, and sequentially opened according to the refrigeration series from lowest number or from the compressor starts that highest is numbered.
3. refrigerating method according to claim 1, which is characterized in that the method also includes:
If being not turned on the minimum compressor of number, required amount of compressor is randomly selected according to the refrigeration series and is opened
It opens.
4. refrigerating method according to any one of claims 1 to 3, which is characterized in that the method also includes:
After receiving refrigeration instruction, whether real-time monitoring has window to be opened and continues setting time；
Obtain room temperature；
If the room temperature is greater than or equal to set temperature, and is opened without window and continues setting time, then really
Surely it needs to freeze.
5. refrigerating method according to claim 4, which is characterized in that the method also includes:
After compressor unlatching, if having monitored that window is opened and continues setting time, all compressors are closed.
6. a kind of refrigeration system, which is characterized in that the system comprises:
Temperature controller and at least two compressors connecting respectively with the temperature controller, each compressor have respective number；Institute
State the opening times that temperature controller records each compressor；
The temperature controller determines refrigeration series when needing to freeze, and carries out from low to high to the compressor according to opening times
Sequence；If there is the compressor that opening times are minimum, then according to the refrigeration compressor starts of the series from minimum opening times
Sequentially open compressor.
7. refrigeration system according to claim 6, which is characterized in that the temperature controller is being not turned on the minimum pressure of number
When contracting machine, the compressor is ranked up from low to high or from high to low according to number, and according to the refrigeration series from most
Low number sequentially opens compressor from the compressor starts that highest is numbered.
8. refrigeration system according to claim 6, which is characterized in that the temperature controller is being not turned on the minimum pressure of number
When contracting machine, required amount of compressor is randomly selected according to the refrigeration series and is opened.
9. according to the described in any item Multi-compressor refrigeration systems of claim 6 to 8, which is characterized in that the system also includes:
Command reception module, temperature sensor and the switch sensor being connect with the temperature controller；
Described instruction receiving module triggers the switch and passes for receiving refrigeration instruction, and after receiving the refrigeration instruction
Sensor and temperature sensor power on；
Whether the switch sensor is set on monitored window, have window to be opened for real-time monitoring, and to temperature control
Device transmits switching signal；
The temperature sensor is for monitoring room temperature；
The temperature controller obtains room temperature from the temperature sensor, and determines whether window quilt according to the switching signal
It opens and continues setting time；If the room temperature is greater than or equal to set temperature, and is opened and holds without window
Continuous setting time, it is determined that need to freeze.
10. refrigeration system according to claim 9, which is characterized in that
The temperature controller is also used to after compressor is opened, and judgement has window to be opened and continues setting time, then is closed all
Compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407894.0A CN109506350A (en) | 2018-11-23 | 2018-11-23 | A kind of refrigerating method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407894.0A CN109506350A (en) | 2018-11-23 | 2018-11-23 | A kind of refrigerating method and system |
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| CN109506350A true CN109506350A (en) | 2019-03-22 |
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Application publication date: 20190322 |