CN108799125A - A kind of double-screw refrigeration compressor intelligent frequency convertor - Google Patents
A kind of double-screw refrigeration compressor intelligent frequency convertor Download PDFInfo
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- CN108799125A CN108799125A CN201810544203.5A CN201810544203A CN108799125A CN 108799125 A CN108799125 A CN 108799125A CN 201810544203 A CN201810544203 A CN 201810544203A CN 108799125 A CN108799125 A CN 108799125A
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- module
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- compressor
- intelligent frequency
- frequency convertor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/08—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
Abstract
The invention discloses a kind of double-screw refrigeration compressor intelligent frequency convertors, it includes intelligent frequency convertor（1）, parameter input module and parameter output module, the parameter input module and parameter output module are and intelligent frequency convertor（1）It is electrically connected, the parameter input module includes user input module（2）, compressor Force Calculation module（3）And operational mode setting module（4）, the parameter output module includes Motor control parameters module（5）.The present invention uses double-screw refrigeration compressor intelligent frequency convertor, the intelligent frequency convertor is by inputting user's use demands parameter and compressor screw tooth profile parameter, compressor arrangement parameter, double-screw refrigeration compressor rotating speed, torque and power can be adjusted in real time, ensure that double-screw refrigeration compressor is in Effec-tive Function always, and then improves refrigeration system operational efficiency.
Description
Technical field
The present invention relates to refrigeration technology fields, and in particular to a kind of double-screw refrigeration compressor intelligent frequency convertor.
Background technology
Double-screw refrigeration compressor is simple in structure, few easy workout part, can be run under the operating mode of larger pressure difference or pressure ratio,
It is widely used in freezing, refrigeration, air-conditioning and chemical process.Existing double-screw refrigeration compressor refrigeration system operational process
In, when changing with variation of ambient temperature and user demand, power and the torque input of double-screw refrigeration compressor can not be adjusted,
Cause double-screw refrigeration compressor operational efficiency relatively low.Therefore, there is an urgent need for those skilled in the art to work out a kind of twin-screw refrigeration
Compressor intelligent frequency convertor.
Invention content
The purpose of the present invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of twin-screw refrigeration pressure
Contracting machine intelligent frequency convertor, the intelligent frequency convertor is by inputting user's use demands parameter and compressor screw tooth profile parameter, pressure
Contracting machine structural parameters, can adjust double-screw refrigeration compressor rotating speed, torque and power in real time, ensure double-screw refrigeration compressor and
The Effec-tive Function of refrigeration system.
In order to reach foregoing invention purpose, technical solution provided by the invention is as follows：A kind of double-screw refrigeration compressor use
Intelligent frequency convertor, it includes intelligent frequency convertor, parameter input module and parameter output module, the parameter input module and parameter
Output module is electrically connected with intelligent frequency convertor, and the parameter input module includes user input module, compressor stress
Computing module and operational mode setting module, the parameter output module include Motor control parameters module, wherein：
The user input module include food parameter input submodule, treatment process input submodule and acquisition submodule,
The food parameter input submodule and treatment process input submodule are for inputting food parameter and treatment process, the acquisition
Submodule is used to acquire the refrigeration system operating condition parameter of food product refrigeration, food refrigerated, handpiece Water Chilling Units and chilled water；
The compressor Force Calculation module includes tooth profile parameter submodule, structural parameters submodule, rotor Force Calculation submodule
Block and torque arithmetic submodule, the tooth profile parameter submodule is for inputting compressor screw tooth profile parameter, the structural parameters
Submodule is for inputting compressor arrangement parameter, and the compressor Force Calculation module is according to input compressor screw tooth profile parameter
And compressor arrangement parameter calculates double-screw refrigeration compressor rotor stress and torque；
The operational mode setting module includes maximum cooling capacity operation module and maximum Energy Efficiency Ratio operation module, the maximum system
Cold operation module starts maximum cooling capacity operation for controlling intelligent frequency convertor, and the maximum Energy Efficiency Ratio operation module is for controlling
Intelligent frequency convertor processed starts maximum Energy Efficiency Ratio operation, and by selecting, maximum cooling capacity runs module or maximum Energy Efficiency Ratio runs mould
Block, adjustment double-screw refrigeration compressor rotating speed, torque and power；
The Motor control parameters module includes rotating speed output sub-module, torque output sub-module and power output submodule, is led to
It crosses intelligent frequency convertor extraction user input module parameter and will calculate twin-screw refrigerant compression through compressor Force Calculation module
Machine rotor stress and torque data are transmitted to intelligent frequency convertor, the operational mode setting module provide maximum cooling capacity parameter or
Maximum Energy Efficiency Ratio parameter is to intelligent frequency convertor, after intelligent frequency convertor collects parameter input module information, by intelligent frequency convertor meter
Calculate each output sub-module in simultaneously output motor control parameter to Motor control parameters module.
Preferably, by the output of Motor control parameters module for controlling the rotating speed of double-screw refrigeration compressor, turning round
Square and power parameter are to double-screw refrigeration compressor, it is ensured that and double-screw refrigeration compressor keeps running under high volumetric efficiency in real time,
To realize refrigeration system Effec-tive Function.
Based on the above-mentioned technical proposal, the present invention has following technological merit compared with prior art：
The present invention uses double-screw refrigeration compressor intelligent frequency convertor, the intelligent frequency convertor to join by inputting user's use demands
Number and compressor screw tooth profile parameter, compressor arrangement parameter, can adjust double-screw refrigeration compressor rotating speed, torque and work(in real time
Rate ensures that double-screw refrigeration compressor is in Effec-tive Function always, and then improves refrigeration system operational efficiency, while meeting city
The requirement of field and national energy conservation and emission reduction brings significant economic and social benefit for users, and pushes compressor and refrigeration
The technological progress and model change of industry ensure that double-screw refrigeration compressor is efficient by intelligent frequency convertor optimal control
Safe operation.
Description of the drawings
Fig. 1 is the module diagram of double-screw refrigeration compressor intelligent frequency convertor of the present invention.
In figure：1. intelligent frequency convertor, 2. user input modules, 2-1. food parameter input submodules, 2-2. handle work
Skill input submodule, 2-3. acquire submodule, 3. compressor Force Calculation modules, 3-1. tooth profile parameter submodules, 3-2. structures
Parameter sub-module, 3-3. rotor Force Calculation submodules, 3-4. torque arithmetic submodules, 4. operational mode setting modules, 4-1.
Maximum cooling capacity runs module, and 4-2. maximum Energy Efficiency Ratio runs module, 5. Motor control parameters modules, and 5-1. rotating speeds export submodule
Block, 5-2. torque output sub-modules, 5-3. power output submodules, 6. double-screw refrigeration compressors.
Specific implementation mode
The present invention is further explained with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of double-screw refrigeration compressor intelligent frequency convertor, it includes intelligent frequency convertor 1, parameter input
Module and parameter output module, the parameter input module and parameter output module are electrically connected with intelligent frequency convertor 1, described
Parameter input module includes user input module 2, compressor Force Calculation module 3 and operational mode setting module 4, the ginseng
Number output module includes Motor control parameters module 5, wherein：
The user input module 2 inputs use demand for user comprising food parameter input submodule 2-1, processing
Technique input submodule 2-2 and acquisition submodule 2-3, the food parameter input submodule 2-1 and treatment process input submodule
For block 2-2 for inputting food parameter and treatment process, the acquisition submodule 2-3 is used to acquire food product refrigeration, food refrigerated, cold
The refrigeration system operating condition parameter of water dispenser group and chilled water；
The compressor Force Calculation module 3 includes tooth profile parameter submodule 3-1, structural parameters submodule 3-2, rotor stress meter
Operator module 3-3 and torque arithmetic submodule 3-4, the tooth profile parameter submodule 3-1 are for inputting compressor screw tooth form ginseng
Number, the structural parameters submodule 3-2 is for inputting compressor arrangement parameter, and the compressor Force Calculation module 3 is according to defeated
Enter twin-screw compressor screw tooth profile parameter and compressor arrangement parameter and passes through rotor Force Calculation submodule 3-3 and torque arithmetic
Submodule 3-4 calculates 6 rotor stress of double-screw refrigeration compressor and torque；
The operational mode setting module 4 includes that maximum cooling capacity operation module 4-1 and maximum Energy Efficiency Ratio run module 4-2, institute
It states maximum cooling capacity operation module 4-1 and starts maximum cooling capacity operation, the maximum Energy Efficiency Ratio fortune for controlling intelligent frequency convertor 1
Row module 4-2 starts maximum Energy Efficiency Ratio operation for controlling intelligent frequency convertor 1, and for user demand, selection starts maximum refrigeration
Amount operation module 4-1 or maximum Energy Efficiency Ratio runs module 4-2, and when user needs food or material fast cooling, intelligence becomes
Frequency device 1 is run by way of increasing double-screw refrigeration compressor rotating speed with maximum cooling capacity, meets food or material cooling speed
Spend the demand to refrigerating capacity；In the case that refrigeration system is in stable conditions, start maximum Energy Efficiency Ratio operation, by adjusting double
6 rotating speed of Spiral Lobe Refrigeration Compressor and torque, reasonable output power ensure 6 efficiency highest of double-screw refrigeration compressor；
The Motor control parameters module 5 includes rotating speed output sub-module 5-1, torque output sub-module 5-2 and power output
Module 5-3 extracts 2 parameter of user input module by intelligent frequency convertor 1 and will be calculated through compressor Force Calculation module 3 double
Spiral Lobe Refrigeration Compressor rotor stress and torque data are transmitted to intelligent frequency convertor 1, and the operational mode setting module 4 provides most
Big refrigerating capacity parameter or maximum Energy Efficiency Ratio parameter collect parameter input module information to intelligent frequency convertor 1 through intelligent frequency convertor 1
Afterwards, each output sub-module in simultaneously output motor control parameter to Motor control parameters module 5 is calculated by intelligent frequency convertor 1.Pass through
The output of Motor control parameters module 5 is for controlling the rotating speed, torque and power parameter of double-screw refrigeration compressor 6 to twin-screw system
Cold compressor；
Information is provided to intelligent change in user input module 2, compressor Force Calculation module 3 and operational mode setting module 4
In the case of frequency device 1, the synthesis of intelligent frequency convertor 1 determines 6 working condition of double-screw refrigeration compressor and user demand, passes through motor
Control parameter module 5 exports the control parameter of double-screw refrigeration compressor 6, including rotating speed, torque, power parameter, to ensure
Double-screw refrigeration compressor 6 is under high volumetric efficiency runs in real time, and then ensures the Effec-tive Function of refrigeration system.
The above is the example and explanation of the present invention, but does not mean that the obtainable advantage of the present invention is so limited, all
Being may be to wherein one the advantages of realization in the simple transformation of structure, and/or some embodiments in practice process of the present invention
It is a or it is multiple within the scope of protection of this application.
Claims (2)
1. a kind of double-screw refrigeration compressor intelligent frequency convertor, it is characterised in that：It includes intelligent frequency convertor（1）, parameter it is defeated
Enter module and parameter output module, the parameter input module and parameter output module are and intelligent frequency convertor（1）It is electrically connected,
The parameter input module includes user input module（2）, compressor Force Calculation module（3）And operational mode setting module
（4）, the parameter output module includes Motor control parameters module（5）, wherein：
The user input module（2）Including food parameter input submodule（2-1）, treatment process input submodule（2-2）
And acquisition submodule（2-3）, the food parameter input submodule（2-1）And treatment process input submodule（2-2）For defeated
Enter food parameter and treatment process, the acquisition submodule（2-3）For acquire food product refrigeration, food refrigerated, handpiece Water Chilling Units and
The refrigeration system operating condition parameter of chilled water；
The compressor Force Calculation module（3）Including tooth profile parameter submodule（3-1）, structural parameters submodule（3-2）, rotor
Force Calculation submodule（3-3）With torque arithmetic submodule（3-4）, the tooth profile parameter submodule（3-1）It is compressed for inputting
Machine tooth shape of screw parameter, the structural parameters submodule（3-2）For inputting compressor arrangement parameter, the compressor stress meter
Calculate module（3）According to input compressor screw tooth profile parameter and compressor arrangement parameter calculate double-screw refrigeration compressor rotor by
Power and torque；
The operational mode setting module（4）Module is run including maximum cooling capacity（4-1）And maximum Energy Efficiency Ratio runs module（4-
2）, the maximum cooling capacity operation module（4-1）For controlling intelligent frequency convertor（1）Start maximum cooling capacity operation, it is described most
Big Energy Efficiency Ratio runs module（4-2）For controlling intelligent frequency convertor（1）Start maximum Energy Efficiency Ratio operation, by selecting maximum refrigeration
Amount operation module（4-1）Or maximum Energy Efficiency Ratio runs module（4-2）, adjustment double-screw refrigeration compressor rotating speed, torque and power；
The Motor control parameters module（5）Including rotating speed output sub-module（5-1）, torque output sub-module（5-2）And power
Output sub-module（5-3）, pass through intelligent frequency convertor（1）Extract user input module（2）Parameter and through compressor Force Calculation
Module（3）Double-screw refrigeration compressor rotor stress will be calculated and torque data is transmitted to intelligent frequency convertor（1）, the operation mould
Formula setting module（4）Maximum cooling capacity parameter or maximum Energy Efficiency Ratio parameter are provided to intelligent frequency convertor（1）, through intelligent frequency convertor
（1）After collecting parameter input module information, by intelligent frequency convertor（1）It calculates and output motor control parameter is to Motor control parameters
Module（5）Interior each output sub-module.
2. double-screw refrigeration compressor intelligent frequency convertor according to claim 1, it is characterised in that：It is controlled by motor
Parameter module（5）It exports for controlling the rotating speed, torque and power parameter of double-screw refrigeration compressor to twin-screw refrigerant compression
Machine, it is ensured that double-screw refrigeration compressor keeps running under high volumetric efficiency in real time, to realize refrigeration system Effec-tive Function.
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| CN201810544203.5A CN108799125A (en) | 2018-05-31 | 2018-05-31 | A kind of double-screw refrigeration compressor intelligent frequency convertor |
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| CN201810544203.5A CN108799125A (en) | 2018-05-31 | 2018-05-31 | A kind of double-screw refrigeration compressor intelligent frequency convertor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110427012A (en) * | 2019-07-22 | 2019-11-08 | 海信（山东）冰箱有限公司 | A kind of frequency-variable controller and communication means |
| CN112032938A (en) * | 2020-09-02 | 2020-12-04 | 青岛海信日立空调系统有限公司 | Air conditioning system |
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| CN1420281A (en) * | 2001-11-19 | 2003-05-28 | 成都希望电子研究所 | Rotary screw gas compressor |
| CN2752489Y (en) * | 2004-12-01 | 2006-01-18 | 复盛股份有限公司 | Non-stage frequency changeable screw type refrigerant compressor and control device |
| CN101086258A (en) * | 2006-06-09 | 2007-12-12 | 上海汉钟精机股份有限公司 | Frequency-variable screw type refrigerating compressor |
| CN103270306A (en) * | 2010-07-20 | 2013-08-28 | 特灵国际有限公司 | Variable capacity screw compressor and method |
| CN105156315A (en) * | 2015-08-04 | 2015-12-16 | 广东美的暖通设备有限公司 | Detection system, device and method for multiple compressors |
| CN205423164U (en) * | 2015-11-30 | 2016-08-03 | 深圳市英威腾电气股份有限公司 | Control system of air compressor |
| CN206845469U (en) * | 2017-05-19 | 2018-01-05 | 德哈哈压缩机江苏有限公司 | The logic control device of permanent-magnetic variable frequency screw compressor and the compressor for including it |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1420281A (en) * | 2001-11-19 | 2003-05-28 | 成都希望电子研究所 | Rotary screw gas compressor |
| CN2752489Y (en) * | 2004-12-01 | 2006-01-18 | 复盛股份有限公司 | Non-stage frequency changeable screw type refrigerant compressor and control device |
| CN101086258A (en) * | 2006-06-09 | 2007-12-12 | 上海汉钟精机股份有限公司 | Frequency-variable screw type refrigerating compressor |
| CN103270306A (en) * | 2010-07-20 | 2013-08-28 | 特灵国际有限公司 | Variable capacity screw compressor and method |
| CN105156315A (en) * | 2015-08-04 | 2015-12-16 | 广东美的暖通设备有限公司 | Detection system, device and method for multiple compressors |
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| CN206845469U (en) * | 2017-05-19 | 2018-01-05 | 德哈哈压缩机江苏有限公司 | The logic control device of permanent-magnetic variable frequency screw compressor and the compressor for including it |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110427012A (en) * | 2019-07-22 | 2019-11-08 | 海信（山东）冰箱有限公司 | A kind of frequency-variable controller and communication means |
| CN112032938A (en) * | 2020-09-02 | 2020-12-04 | 青岛海信日立空调系统有限公司 | Air conditioning system |
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Application publication date: 20181113 |
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