CN109269217A - A kind of control method of the more library frequency conversion refrigerating systems of high/low temperature - Google Patents
A kind of control method of the more library frequency conversion refrigerating systems of high/low temperature Download PDFInfo
- Publication number
- CN109269217A CN109269217A CN201811312393.4A CN201811312393A CN109269217A CN 109269217 A CN109269217 A CN 109269217A CN 201811312393 A CN201811312393 A CN 201811312393A CN 109269217 A CN109269217 A CN 109269217A
- Authority
- CN
- China
- Prior art keywords
- real
- temperature
- frequency
- compressor
- library
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/077—Compressor control units, e.g. terminal boxes, mounted on the compressor casing wall containing for example starter, protection switches or connector contacts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
Abstract
The invention discloses a kind of control methods of the more library frequency conversion refrigerating systems of high/low temperature, comprising the steps of: S1, a compressor control n freezer, and n freezer sets library temperature as TIf 1, TIf 2, TIf 3... ..., TIf n, real-time database temperature is TReal 1, TReal 2, TReal 3... ..., TReal n；S2, as real-time database temperature TReal n< TIf nWhen, compressor is run according to lowest frequency, as real-time database temperature TReal n> TIf nAt+W DEG C, compressor is run according to most high frequency, as real-time database temperature TIf n≤TReal n≤TIf nAt+W DEG C, compressor is run according to frequency modulation, and wherein W DEG C is into frequency modulation temperature of ice house difference, and the running frequency control K of compressor0Numerical value acquired by tabling look-up.The present invention realizes the energy adjustment of naval vessel cold storage plant, is particularly suitable for using on Ship System.
Description
Technical field
The present invention relates to a kind of tools, more precisely, being a kind of control method of more library frequency conversion refrigerations of high/low temperature.
Background technique
With the rapid development of modern refrigerant technology, countries in the world are comprehensive to the progress of marine refrigeration refrigeration system working characteristics
On the basis of closing analysis, the design of refrigeration system is constantly repeatedly new, and corresponding refrigeration control method is also constantly progressive, wherein
One of the main contents of refrigeration system control research are had become for the energy adjustment method that unit is taken.Using frequency control
Energy adjustment is carried out to refrigeration equipment, is the new technology and now this technology of the appearance eighties in the world in industrialized country
The application of scale is had begun, converter technique is with its excellent speed regulation and opens braking ability and high efficiency and significant
Energy-saving effect and be known as being optimal most promising speed regulating method both at home and abroad.In China, begin from this century, becomes
Frequency technology marine refrigeration system regions the research also gradually concern and implementation by some researchers and scholar, however by
It is limited, is in progress slower in by various conditions.And the drawbacks of traditional marine refrigeration system although constantly highlighting, can fall
It is improved in fact to be also limited only to freezer structure, refrigeration process, mechanical equipment etc..
Currently, as external many advanced reliable frequency conversion speed-adjusting systems and equipment constantly enter Chinese market, state is driven
Interior enterprise puts into production a variety of series inverter products, and converter technique also obtains increasing attention in refrigeration field and answers
With.For example, certain European transnational industry manufacturing enterprise, ends 2003 just in China Shanghai, Guangzhou, Wuhan, Dalian and day
The food refrigerated system of Jin Dengdi great supermarket is mounted with that all kinds of serial frequency-variable controllers and electric expansion valve etc. of the said firm are mating
Component.
Currently, new control technology and control method constantly applies to refrigeration control system, naval vessel refrigeration is realized
The energy adjustment of device improves the intelligent control of cold storage plant, from refrigerating system, gradually using mechanical, electronics and calculating
The related technology such as machine realizes that the optimization of system is the inexorable trend of naval vessel refrigerating system development.
Frequency-changeable compressor is divided to two kinds: DC frequency-changeable compressor and AC frequency conversion compressor.Both compressors can answer
In frequency changing refrigeration system, variable frequency adjustment control is carried out to refrigeration system according to the control mode of setting.
The control mode generallyd use is the suction for being adjusted according to the working condition of compressor, for example detecting compressor
Then the exhaust (temperature, pressure) of gas (temperature, pressure), compressor carries out frequency adjusting, this requires to the complete of refrigeration system
Floor data carries out a large amount of system data acquisition calculating, concludes, and then therefrom finds out law formulation and goes out compressor progress frequency conversion
Rule.
And the method for formulating frequency conversion by such method, disadvantage are exactly not have generalization, different system configurations
Must carry out it is duplicate know the real situation, in addition, the actual working state of compressor is influenced by many factors, such as environment temperature, cooling
Water inflow temperature, supply voltage, cold draining amount of freezer etc..And variation relation between numerous influence factors is complex not all
It is by certain linear line relationship change, this just brings very complicated difficulty to frequency control.
Summary of the invention
The present invention mainly solves technical problem present in the prior art, so that it is cold to provide a kind of more library frequency conversions of high/low temperature
The control method of hiding.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals:
The invention discloses a kind of control methods of the more library frequency conversion refrigerating systems of high/low temperature, comprising the steps of:
S1, a compressor control n freezer, and n freezer sets library temperature as TIf 1, TIf 2, TIf 3... ..., TIf n, in real time
Ku Wen is TReal 1, TReal 2, TReal 3... ..., TReal n；
S2, as real-time database temperature TReal n< TIf nWhen, compressor is run according to lowest frequency,
As real-time database temperature TReal n> TIf nAt+W DEG C, compressor is run according to most high frequency,
As real-time database temperature TIf n≤TReal n≤TIf nAt+W DEG C, compressor is run according to frequency modulation, and wherein W DEG C is into frequency modulation freezer
Temperature gap, and the running frequency of compressor compares K0Numerical value acquired by tabling look-up,
And K0=(K1+K2+K3+……+Kn)/(n × W/10), wherein K1=TReal 1﹣ TIf 1, K2=TReal 2﹣ TIf 2, K3=TReal 3﹣
TIf 3... ..., Kn=TReal n﹣ TIf n。
The control method of the more library frequency conversion refrigerations of high/low temperature of the invention has the advantage that the present invention realizes naval vessel refrigeration dress
The energy adjustment set improves the intelligent control of cold storage plant, is particularly suitable for using on naval vessel refrigerating system.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the attachment structure schematic diagram of the more library frequency conversion refrigerating systems of high/low temperature of the invention；
Fig. 2 is hardware frame schematic diagram of the invention；
Fig. 3 is the control logic flow chart of the more library frequency conversion refrigerating systems of high/low temperature of the invention；
Fig. 4 is the control logic schematic diagram of the electric expansion valve of the more library frequency conversion refrigerating systems of high/low temperature of the invention.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
As shown in Figure 1, the more library frequency conversion refrigerating systems of the high/low temperature include compressor 1, oil eliminator 2, condenser 3, reservoir
Device 4, filter 5, multiple independent freezers 6, frequency-variable controller 7 and gas-liquid separator 8.Air-cooler is respectively equipped in freezer 6
61, electric expansion valve 62 and library temperature sensor 63.
As shown in Fig. 2, the more library frequency conversion refrigerating systems of the high/low temperature control stepping by PLC (programmable logic controller (PLC))
Motor driver and corresponding freezer feed flow electric expansion valve 62, the PLC control the operation of frequency-variable controller 7 and compressor 1.Separately
Outside, the periphery of the PLC is additionally provided with touch screen and Switching Power Supply.
As shown in figure 3, the logic diagram of the control method for the more library frequency conversion refrigerating systems of the high/low temperature, wherein the height
Wen Duoku frequency conversion refrigerating system includes n independent freezers, and more libraries set library temperature as TIf 1, TIf 2, TIf 3... ..., TIf n；Real-time database
Temperature is TReal 1, TReal 2, TReal 3... ..., TReal n, wherein a compressor controls more libraries, these libraries can be high temperature library or Freezing room or
There is a control valve plate in the composition of high temperature Freezing room, each library, there is the valve member of electric expansion valve and other needs on valve plate, each
Ku Wen is adjusted by the electronic expansion valve controls that each library configures respectively.
The frequency control mode of the more library frequency conversion refrigerating systems of the high/low temperature is described below.
Mode 1: as real-time database temperature TReal n< TIf nWhen, compressor is run by lowest frequency；
Mode 2: as real-time database temperature TReal n> TIf nAt+W DEG C, compressor is run by most high frequency；
Mode 3: as real-time database temperature TIf n≤TReal n≤TIf nAt+W DEG C, compressor carries out frequency modulation operation, wherein adjusts to enter for W DEG C
Frequency temperature of ice house difference, general recommendation are 2~4；
K1=TReal 1﹣ TIf 1, K2=TReal 2﹣ TIf 2, K3=TReal 3﹣ TIf 3... ..., Kn=TReal n﹣ TIf n,
K0=(K1+K2+K3+……+Kn)/(n×W/10)
According to K0Value, which is tabled look-up, acquires compressor operating frequency, and as shown in table 1 below, the H in table is that frequency adjusting is poor, generally pushes away
Recommending value is 3~5.
Table 1-K0 value and compressor real time execution frequency PFortuneMapping table
Embodiment explanation is carried out to the control method of the more library frequency conversion refrigerating systems of the high/low temperature further below.
Embodiment 1
Such as: the demand of certain ocean polar research ship is answered, a kind of freezer that can become library temperature is designed,
Technical requirements: double library designs, high temperature library, Freezing room each one, high temperature Kuku temperature is 0 DEG C~4 DEG C, any to set.It is low
Wen Kukuwen is 0 DEG C~-20 DEG C, any to set.
Two extreme operating conditions are illustrated below:
1, impose a condition: 4 DEG C of high temperature library, 25 DEG C of environment temperature, starts when temperature enters 2 DEG C of temperature difference by -20 DEG C of Freezing room
Into adjusting, this operating condition is conventional setting state.
2, power on booting, unit is in standby, PLC work sets temperature of ice house, 4 DEG C of high temperature library, low temperature
- 20 DEG C of library, the temperature difference carry out variable frequency adjustment in 2 DEG C of ranges, and highest frequency sets Pmax=60Hz, low-limit frequency set Pmix=
30Hz, TIf 1=4 DEG C, TIf 2=-20 DEG C, into W=2 DEG C of difference of frequency modulation temperature of ice house, frequency adjusts difference H=3Hz, at this time n=2.
3, be switched on original state under room temperature:
3a, electric expansion valve are carried out by software logic block diagram pid control mode, and expansion valve is initial open degree；
3b, compressor control,
K0=(K1+K2+K3+ ...+Kn)/(n × W/10)
=[(TReal 1-TIf 1)+(TReal 2-TIf 2)]/(n×W/10)
=[(25-4)+(25- (- 20))]/(2 × 2/10)=165, wherein TReal 1=TReal 2=25 DEG C,
Due to K0 > 10, table look-up after compressor low-frequency start by highest frequency P at this timemax=60Hz operation；
3c, when temperature difference enters 2 DEG C of ranges, when 6 DEG C, -18 DEG C of Freezing room of high temperature library,
K0=(K1+K2+K3+ ...+Kn)/(n × W/10)
=[(TReal 1-TIf 1)+(TReal 2-TIf 2)]/(n×W/10)
=[(6-4)+(- 18- (- 20))]/(2 × 2/10)=10,
Due to K0=10, compressor adjustment frequency is tabled look-up by frequency P at this timeFortune=Pmax- 1H=60-1 × 3=57Hz operation,
H=3 is taken at this time；
3d, when 4 DEG C, -20 DEG C of Freezing room of high temperature library,
K0=(K1+K2+K3+……+Kn))/(n×W/10)
=[(TReal 1-TIf 1)+(TReal 2-TIf 2)]/(n×W/10)
=[(4-4)+(- 20- (- 20))]/(2 × 2/10)=0, K0=0, compressor adjustment frequency is tabled look-up most lower assessment at this time
Rate Pmix=30Hz operation；
3e, when 4 DEG C, < -20 DEG C of Freezing room of high temperature library <, K0Compressor presses low-limit frequency P to < 0 at this timemix=30Hz fortune
Row.
Embodiment 2
1, impose a condition: high temperature library is minimum 0 DEG C setting, and Freezing room is minimum -20 DEG C settings.
2, power on booting, unit is in standby, PLC work sets temperature of ice house, 0 DEG C of high temperature library, low temperature
- 20 DEG C of library, the temperature difference carry out variable frequency adjustment in 2 DEG C of ranges, and highest frequency sets Pmax=60Hz, low-limit frequency set Pmix=
30Hz, TIf 1=0 DEG C, TIf 2=-20 DEG C, into W=2 DEG C of difference of frequency modulation temperature of ice house, frequency adjusts difference H=3Hz.N=2 at this time.
3, be switched on original state under room temperature:
3a, electric expansion valve are carried out by software logic block diagram pid control mode, and expansion valve is initial open degree；3b, compression
Machine control,
K0=(K1+K2+K3+……+Kn)/(n×W/10)
=[(TReal 1-TIf 1)+(TReal 2-TIf 2)]/(n×W/10)
=[(25-0)+(25- (- 20))]/(2 × 2/10)=175, wherein TReal 1=TReal 2=25 DEG C,
Due to K0> 10, it tables look-up after compressor low-frequency start by highest frequency P at this timemax=60Hz operation；
3c, when temperature difference enters 2 DEG C of ranges, when 2 DEG C, -18 DEG C of Freezing room of high temperature library,
K0=(K1+K2+K3+……+Kn)/(n×W/10)
=[(TReal 1-TIf 1)+(TReal 2-TIf 2)]/(n×W/10)
=[(2-0)+(- 18- (- 20))]/(2 × 2/10)=10,
Due to K0=10, compressor adjustment frequency is tabled look-up by frequency P at this timeFortune=Pmax- 1H=60-3=57Hz operation,
H=3Hz is taken at this time；
3d, when 0 DEG C, -20 DEG C of Freezing room of high temperature library,
K0=(K1+K2+K3+……+Kn)/(n×W/10)
=[(TReal 1-TIf 1)+(TReal 2-TIf 2)]/(n×W/10)
=[(0-0)+(- 20- (- 20))]/(2 × 2/10)=0,
Due to K0=0, compressor adjustment frequency is tabled look-up by frequency P at this timemix=30Hz operation；
3e, when 0 DEG C, < -20 DEG C of Freezing room of high temperature library <, K0Compressor presses low-limit frequency P to < 0 at this timemix=30Hz fortune
Row.
Embodiment 3
Assuming that current technical requirements: double library designs, high temperature library, Freezing room each one, high temperature Kuku temperature are 0 DEG C~4 DEG C, are appointed
Meaning setting, low temperature Kuku temperature is 0 DEG C~-20 DEG C, any to set.
1, impose a condition: high temperature library is 4 DEG C of highest and sets: Freezing room is set as 0 DEG C of highest.
2, power on booting, unit is in standby, PLC work sets temperature of ice house, 4 DEG C of high temperature library, low temperature
0 DEG C of library, the temperature difference carry out variable frequency adjustment in 2 DEG C of ranges, and highest frequency sets Pmax=60Hz, highest frequency set Pmix=
30Hz, TIf 1=0 DEG C, TIf 2=-20 DEG C, into W=2 DEG C of difference of frequency modulation temperature of ice house, frequency adjusts difference H=3Hz.
3, be switched on original state under room temperature:
3a, electric expansion valve are carried out by software logic block diagram pid control mode, and expansion valve is initial open degree；
3b, compressor control,
K0=(K1+K2+K3+……+Kn)/(n×W/10)
=[(TReal 1-TIf 1)+(TReal 2-TIf 2)]/(n×W/10)
/ (2 × 2/10)=115=[(25-4)+(25-0)],
Due to K0> 10, it tables look-up after compressor low-frequency start run by highest frequency 60Hz at this time；
3c, when temperature difference enters 2 DEG C of ranges, 6 DEG C of high temperature library, at 2 DEG C of Freezing room,
K0=(K1+K2+K3+……+Kn)/(n×W/10)
=[(TReal 1-TIf 1)+(TReal 2-TIf 2)]/(n×W/10)
/ (2 × 2)/10=[(6-4)+(2-0)])=10,
Due to K0=10, compressor adjustment frequency is tabled look-up by frequency P at this timeFortune=Pmax- 1H=60-3=57Hz operation, this
When take H=3Hz；
3d, when 4 DEG C of high temperature library, 0 DEG C of Freezing room,
K0=(K1+K2+K3+……+Kn)/(n×W/10)
=[(TReal 1-TIf 1)+(TReal 2-TIf 2)]/(n×W/10)
/ (2 × 2/10)=0, K=[(4-4)+(0-0)]0=0, compressor adjustment frequency is tabled look-up at this time is transported by frequency 30Hz
Row；
3e, as 4 DEG C of high temperature library <, 0 DEG C of Freezing room <, K0Compressor presses low-limit frequency P to < 0 at this timemix=30Hz fortune
Row.
The present invention realizes the energy adjustment of naval vessel cold storage plant, improves the intelligent control of cold storage plant, is particularly suitable for warship
It is used on ship refrigerating system.
Not limited to this, any change or replacement expected without creative work should all be covered in guarantor of the invention
Within the scope of shield.Therefore, protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (1)
1. a kind of control method of the more library frequency conversion refrigerating systems of high/low temperature, comprising the steps of:
S1, a compressor control n freezer, and n freezer sets library temperature as TIf 1, TIf 2, TIf 3... ..., TIf n, real-time database temperature is
TReal 1, TReal 2, TReal 3... ..., TReal n；
S2, as real-time database temperature TReal n< TIf nWhen, compressor is run according to lowest frequency,
As real-time database temperature TReal n> TIf nAt+W DEG C, compressor is run according to most high frequency,
As real-time database temperature TIf n≤TReal n≤TIf nAt+W DEG C, compressor is run according to frequency modulation, and wherein W DEG C is into frequency modulation temperature of ice house
Difference, and the running frequency of compressor compares K0Numerical value acquired by tabling look-up,
And K0=(K1+K2+K3+……+Kn)/(n × W/10), wherein K1=TReal 1﹣ TIf 1, K2=TReal 2﹣ TIf 2, K3=TReal 3﹣
TIf 3... ..., Kn=TReal n﹣ TIf n。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312393.4A CN109269217A (en) | 2018-11-06 | 2018-11-06 | A kind of control method of the more library frequency conversion refrigerating systems of high/low temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312393.4A CN109269217A (en) | 2018-11-06 | 2018-11-06 | A kind of control method of the more library frequency conversion refrigerating systems of high/low temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109269217A true CN109269217A (en) | 2019-01-25 |
Family
ID=65192176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811312393.4A Pending CN109269217A (en) | 2018-11-06 | 2018-11-06 | A kind of control method of the more library frequency conversion refrigerating systems of high/low temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109269217A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413973A (en) * | 2020-11-25 | 2021-02-26 | 珠海格力电器股份有限公司 | Control method of refrigerated cabinet and refrigerating system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4831836A (en) * | 1987-04-22 | 1989-05-23 | Mitsubishi Denki Kabushiki Kaisha | Frequency control apparatus of a multi-refrigeration cycle system |
| JPH09243144A (en) * | 1996-03-05 | 1997-09-16 | Noritz Corp | Method for controlling inverter type air conditioner |
| CN1431434A (en) * | 2003-01-27 | 2003-07-23 | 广东科龙电器股份有限公司 | One air conditioner for coolin three places and variable frequency control method |
| CN101666530A (en) * | 2008-09-04 | 2010-03-10 | 海尔集团公司 | Method for controlling supply frequency of variable frequency compressor |
| CN102269494A (en) * | 2010-06-04 | 2011-12-07 | 中国海洋石油总公司 | High-efficiency refrigerating system for maritime platform cold store and control method thereof |
| CN202328990U (en) * | 2011-10-22 | 2012-07-11 | 烟台同大制冷设备有限公司 | Control device for variable output of refrigerating capacity of compressor set in multi-refrigerator refrigerating system |
| JP5266819B2 (en) * | 2008-03-19 | 2013-08-21 | 富士電機株式会社 | vending machine |
| CN103615846A (en) * | 2013-11-30 | 2014-03-05 | 广东吉荣空调有限公司 | Method for controlling fixed-frequency compressor and inverter compressor of industrial cooler |
| CN204056283U (en) * | 2014-03-03 | 2014-12-31 | 海英荷普曼船舶设备(常熟)有限公司 | A kind of frequency conversion cryogenic storage system peculiar to vessel |
| CN106322914A (en) * | 2016-10-18 | 2017-01-11 | 河南新飞电器有限公司 | Fuzzy control method for rotating speed of refrigerator inverter compressor |
| CN108444201A (en) * | 2018-02-09 | 2018-08-24 | 东南大学 | A kind of temperature of ice house feedforward-Fuzzy control system and control method based on load dynamic change |
-
2018
- 2018-11-06 CN CN201811312393.4A patent/CN109269217A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4831836A (en) * | 1987-04-22 | 1989-05-23 | Mitsubishi Denki Kabushiki Kaisha | Frequency control apparatus of a multi-refrigeration cycle system |
| JPH09243144A (en) * | 1996-03-05 | 1997-09-16 | Noritz Corp | Method for controlling inverter type air conditioner |
| CN1431434A (en) * | 2003-01-27 | 2003-07-23 | 广东科龙电器股份有限公司 | One air conditioner for coolin three places and variable frequency control method |
| JP5266819B2 (en) * | 2008-03-19 | 2013-08-21 | 富士電機株式会社 | vending machine |
| CN101666530A (en) * | 2008-09-04 | 2010-03-10 | 海尔集团公司 | Method for controlling supply frequency of variable frequency compressor |
| CN102269494A (en) * | 2010-06-04 | 2011-12-07 | 中国海洋石油总公司 | High-efficiency refrigerating system for maritime platform cold store and control method thereof |
| CN202328990U (en) * | 2011-10-22 | 2012-07-11 | 烟台同大制冷设备有限公司 | Control device for variable output of refrigerating capacity of compressor set in multi-refrigerator refrigerating system |
| CN103615846A (en) * | 2013-11-30 | 2014-03-05 | 广东吉荣空调有限公司 | Method for controlling fixed-frequency compressor and inverter compressor of industrial cooler |
| CN204056283U (en) * | 2014-03-03 | 2014-12-31 | 海英荷普曼船舶设备(常熟)有限公司 | A kind of frequency conversion cryogenic storage system peculiar to vessel |
| CN106322914A (en) * | 2016-10-18 | 2017-01-11 | 河南新飞电器有限公司 | Fuzzy control method for rotating speed of refrigerator inverter compressor |
| CN108444201A (en) * | 2018-02-09 | 2018-08-24 | 东南大学 | A kind of temperature of ice house feedforward-Fuzzy control system and control method based on load dynamic change |
Non-Patent Citations (1)
| Title |
|---|
| 孙玉清，李青詹，宗勉: ""压缩机变频能量调节控制冷库温度的研究"", 《大连海事大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413973A (en) * | 2020-11-25 | 2021-02-26 | 珠海格力电器股份有限公司 | Control method of refrigerated cabinet and refrigerating system |
| CN112413973B (en) * | 2020-11-25 | 2021-10-08 | 珠海格力电器股份有限公司 | Control method of refrigerated cabinet and refrigerating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110397580B (en) | Method and device for controlling water pump in air conditioning system and air conditioning system | |
| CN108759296B (en) | Fan rotating speed control method of air-cooled refrigerator | |
| CN110749150B (en) | Rotating speed control system and method of refrigerating fan | |
| CN102997610B (en) | Refrigeration plant control method | |
| CN106015067A (en) | Fan rotation speed control method, control system and water tank | |
| CN109556342B (en) | Combined refrigerator and control method thereof | |
| CN103776234A (en) | Refrigerator frequency conversion control method and application thereof | |
| CN106765860B (en) | A kind of control system and method for nuclear power station central air-conditioning | |
| CN105042787A (en) | Method and system for controlling compressor in air-cooled heat pump water chilling and heating machine | |
| CN103115475A (en) | Refrigerator multiple-temperature zone self-adaptation fuzzy control device and method | |
| CN109269217A (en) | A kind of control method of the more library frequency conversion refrigerating systems of high/low temperature | |
| CN202431503U (en) | Intelligent online operation monitor for water pump systems | |
| CN102305505A (en) | Constant-temperature cold water unit and control method thereof | |
| CN109764629B (en) | Variable frequency refrigerator and control method thereof | |
| CN114396714A (en) | System and method for automatically controlling and operating system starting number | |
| CN102418703A (en) | Online matching control device for intelligent water pump system | |
| CN109708394B (en) | Control method and control system for cooling fan of refrigerator | |
| CN110487020A (en) | Frequency conversion refrigerator control method for frequency | |
| CN202204224U (en) | Constant-temperature water chilling unit | |
| CN104713208A (en) | Efficient centrifugal water cooling unit output energy saving adjusting system and method | |
| CN205536388U (en) | Energy -conserving governing system of central air conditioning | |
| CN106969528B (en) | Heat recovery circulation system and method thereof | |
| CN113915889B (en) | Refrigerator and control method thereof | |
| CN109708261A (en) | A kind of optimized Selection method of two stage centrifugal crew qiting | |
| CN204478399U (en) | Centrifugal refrigerating machines exports the energy-efficient regulating system of energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190125 |