CN105004110B - Digit Control Machine Tool is with the frequency conversion temperature control system compensated with vapours - Google Patents
Digit Control Machine Tool is with the frequency conversion temperature control system compensated with vapours Download PDFInfo
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- CN105004110B CN105004110B CN201510428527.9A CN201510428527A CN105004110B CN 105004110 B CN105004110 B CN 105004110B CN 201510428527 A CN201510428527 A CN 201510428527A CN 105004110 B CN105004110 B CN 105004110B
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- China
- Prior art keywords
- frequency
- control
- control panel
- vapours
- changeable compressor
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Classifications
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- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Feedback Control In General (AREA)
Abstract
The present invention relates to a kind of Digit Control Machine Tool with the frequency conversion temperature control system compensated with vapours, man-machine interface is connected with PID control plate, PID control plate and electronic expansion valve controls plate, frequency conversion fan control panel, heat steam recuperation valve control panel, frequency-changeable compressor control panel connects, electronic expansion valve controls plate is connected with electric expansion valve, frequency conversion fan control panel is connected with frequency conversion fan, condenser is connected with frequency-changeable compressor, heat steam recuperation valve control panel is connected with vapours recuperation valve, frequency-changeable compressor control panel is connected with frequency-changeable compressor, frequency-changeable compressor is connected with evaporator, evaporator is connected with water tank or fuel tank, water tank or fuel tank are connected with water pump or oil pump, water pump or oil pump connection output end, temperature sensor is located in water tank or fuel tank.The present invention solves the control accuracy and reliability of low-load work, it is achieved thereby that temperature control precision, realizes all standing of 0 100% load, realizes the high efficiency and high accuracy of Digit Control Machine Tool temperature control system.
Description
Technical field
The present invention relates to a kind of cooling device, more particularly to a kind of Digit Control Machine Tool is with the frequency conversion temperature control compensated with vapours
System.
Background technology
With the high speed development of Digit Control Machine Tool industry, machining accuracy increasingly essence, the process velocity of lathe are more and more faster.For
This high accuracy of adaptation, the job requirement of high speed, the Digit Control Machine Tool of modernization will in the temperature control of each functional part
Ask more and more accurate.Such as the electro spindle of high speed, hydrostatic spindle, linear electric motors, hollow leading screw, turntable, hydraulic system, cutting fluid
System, lubricating system etc. are required for high efficiency, high-precision temperature control system.
Temperature control system before is cooled down by the way of frequency is determined to each functional part mostly, and temperature control precision is not
High (precision is mostly in ± 1.5K), power consumption are big (the most ＜ 2.0 of Energy Efficiency Ratio).
The content of the invention
The purpose of the present invention is to overcome above-mentioned problem, there is provided a kind of Digit Control Machine Tool with vapours with compensating
Frequency conversion temperature control system, using frequency-changing control system, solved by the way of vapours compensation the control accuracy of low-load work and
Reliability, it is achieved thereby that ± 0.1K temperature control precision, realizes all standing of 0-100% loads, be truly realized number
Control the high efficiency and high accuracy of lathe temperature control system.
In order to achieve the above object, the present invention has following technical scheme：
A kind of Digit Control Machine Tool of the present invention is with the frequency conversion temperature control system compensated with vapours, including frequency-changeable compressor, becomes
Frequency blower fan, condenser, electric expansion valve, vapours recuperation valve, evaporator, water tank or fuel tank, water pump or oil pump, TEMP
Device, man-machine interface, PID control plate, electronic expansion valve controls plate, frequency conversion fan control panel, heat steam recuperation valve control panel, frequency conversion
Compressor control plate, the man-machine interface are connected with PID control plate, PID control plate respectively with electronic expansion valve controls plate, frequency conversion
Air-blower control plate, heat steam recuperation valve control panel, the connection of frequency-changeable compressor control panel, electronic expansion valve controls plate and electronic expansion
Valve is connected, and electric expansion valve is connected with condenser, vapours recuperation valve, evaporator respectively, frequency conversion fan control panel and frequency conversion wind
Machine is connected, and frequency conversion fan is connected with condenser, and condenser is connected with frequency-changeable compressor, vapours recuperation valve respectively, and heat steam is mended
Repay valve control panel to be connected with vapours recuperation valve, vapours recuperation valve is connected with frequency-changeable compressor, evaporator respectively, frequency conversion compression
Machine control panel is connected with frequency-changeable compressor, and frequency-changeable compressor is connected with evaporator, and evaporator is connected with water tank or fuel tank, water tank or
Fuel tank is connected with water pump or oil pump, and water pump or oil pump connection output end, temperature sensor are located in water tank or fuel tank；When temperature passes
Sensor perceives water tank or tank temperature, and the rate of change of temperature, trend, hysteresis are analyzed by PID control plate, calculated
Go out the running frequency of compressor, operated by frequency-changeable compressor control panel output control frequency-changeable compressor by assigned frequency；If
Temperature has the trend of rising, PID control plate control frequency-changeable compressor control panel frequency reducing, to reduce refrigerating capacity, on the contrary then rise frequency
Rate increases refrigerating capacity；When compressor frequency changes, electric expansion valve is controlled by electronic expansion valve controls plate to realize refrigeration
The continuous adjustment of system, optimal refrigeration and energy efficiency are reached.
Wherein, the water tank or fuel tank, water pump or oil pump form the refrigerating medium circulatory system by pipeline.
Due to taking above technical scheme, the advantage of the invention is that：
The present invention use frequency-changing control system, using vapours compensation by the way of solve low-load work control accuracy with
Reliability.It is achieved thereby that ± 0.1K temperature control precision, realizes all standing of 0-100% loads, is truly realized number
Control the high efficiency (Energy Efficiency Ratio ＞ 2.5) and high accuracy (± 0.1K) of lathe temperature control system.
The present invention uses the modularized design of main frame+cooling component, is easy to independent assortment, mass production.
Brief description of the drawings
Fig. 1 is the schematic diagram of general structure of the present invention.
In figure：1st, frequency-changeable compressor；2nd, frequency conversion fan；3rd, condenser；4th, electric expansion valve；5th, vapours recuperation valve 6,
Evaporator；7th, water (oil) case；8th, water (oil) pump；9th, temperature sensor；10th, man-machine interface；11st, PID control plate；12nd, electronics is swollen
Swollen valve control panel；13rd, frequency conversion fan control panel；14th, heat steam recuperation valve control panel.
Embodiment
Following examples are used to illustrate present invention and application thereof, but are not limited to protection scope of the present invention.
Referring to Fig. 1, a kind of Digit Control Machine Tool of the invention is compressed by frequency conversion with the frequency conversion temperature control system compensated with vapours
Machine, frequency conversion fan, condenser, electric expansion valve, vapours recuperation valve, evaporator, water tank or fuel tank, water pump or oil pump, temperature
Sensor, man-machine interface, PID control plate, electronic expansion valve controls plate, frequency conversion fan control panel, heat steam recuperation valve control panel,
Frequency-changeable compressor control panel forms, and the man-machine interface is connected with PID control plate, PID control plate respectively with electric expansion valve control
Making sheet, frequency conversion fan control panel, heat steam recuperation valve control panel, the connection of frequency-changeable compressor control panel, electronic expansion valve controls plate
It is connected with electric expansion valve, electric expansion valve is connected with condenser, vapours recuperation valve, evaporator respectively, frequency conversion fan control
Plate is connected with frequency conversion fan, and frequency conversion fan is connected with condenser, and condenser connects with frequency-changeable compressor, vapours recuperation valve respectively
Connect, heat steam recuperation valve control panel is connected with vapours recuperation valve, and vapours recuperation valve connects with frequency-changeable compressor, evaporator respectively
Connect, frequency-changeable compressor control panel is connected with frequency-changeable compressor, and frequency-changeable compressor is connected with evaporator, evaporator and water tank or fuel tank
Connection, water tank or fuel tank are connected with water pump or oil pump, and water pump or oil pump connection output end, temperature sensor are located at water tank or fuel tank
In；When temperature sensor perception water tank or tank temperature, the rate of change of temperature, trend, hysteresis are carried out by PID control plate
Analysis, the running frequency of compressor is calculated, by frequency-changeable compressor control panel output control frequency-changeable compressor by specified frequency
Rate operates；If temperature has the trend of rising, PID control plate controls frequency-changeable compressor control panel frequency reducing, to reduce refrigerating capacity, instead
Then raise frequency increase refrigerating capacity；When compressor frequency changes, electric expansion valve is controlled by electronic expansion valve controls plate
To realize the continuous adjustment of refrigeration system, optimal refrigeration and energy efficiency are reached.
The water tank or fuel tank, water pump or oil pump form the refrigerating medium circulatory system by pipeline.
Inventive refrigeration system structure：By frequency-changeable compressor 1, condenser 3, frequency conversion fan 2, electric expansion valve 4, vapours
Recuperation valve 5, evaporator 6 form.
Electric control system structure of the present invention：By temperature sensor 9, man-machine interface 10, PID control plate 11, electronic expansion
Valve control panel 12, frequency conversion fan control panel 13, heat steam recuperation valve control panel 14, frequency-changeable compressor control panel 15 form；
Control principle of the present invention：Temperature sensor 9 perceives refrigerant temperature, passes through change of the PID control plate 11 to temperature
Speed, trend, hysteresis are analyzed, and the running frequency of compressor is calculated, and are exported and controlled by frequency-changeable compressor control panel 15
Frequency-changeable compressor 1 processed is operated by assigned frequency.If temperature has the trend of rising, PID control plate 11 controls frequency-changeable compressor control
The frequency reducing of making sheet 15, to reduce refrigerating capacity, on the contrary then rise frequency increase refrigerating capacity；When compressor frequency changes, pass through electronics
Expansion valve control panel controls electric expansion valve to realize the continuous adjustment of refrigeration system, has reached optimal refrigeration and the energy
Efficiency.The system is applied to Digit Control Machine Tool industry, when being specifically designed low-load or even zero load for the characteristics of Digit Control Machine Tool
Vapours compensation device.When work of numerical control machine is in low-load or shutdown, very little of generating heat.The frequency of frequency-changeable compressor 1 drops to
It is minimum, but still occur that refrigerating capacity is more than the situation of thermic load, at this time heat steam recuperation valve control panel 14 can control hot steaming
Uncooled high-temperature high-pressure refrigerant vapours is compensated and into evaporator 6 neutralizes refrigerating capacity by vapour recuperation valve 5, makes the system can be with
High water temperature control accuracy is still can guarantee that in the case of zero load.For the cooling component of Digit Control Machine Tool, the present invention uses
The modularized design of main frame+cooling component, it is easy to independent assortment, mass production.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.Here all embodiments can not be exhaustive.It is every to belong to this hair
Row of the obvious changes or variations that bright technical scheme is extended out still in protection scope of the present invention.
Claims (2)
1. a kind of Digit Control Machine Tool is with the frequency conversion temperature control system compensated with vapours, it is characterised in that：Including frequency-changeable compressor, become
Frequency blower fan, condenser, electric expansion valve, vapours recuperation valve, evaporator, water tank or fuel tank, water pump or oil pump, TEMP
Device, man-machine interface, PID control plate, electronic expansion valve controls plate, frequency conversion fan control panel, heat steam recuperation valve control panel, frequency conversion
Compressor control plate, the man-machine interface are connected with PID control plate, PID control plate respectively with electronic expansion valve controls plate, frequency conversion
Air-blower control plate, heat steam recuperation valve control panel, the connection of frequency-changeable compressor control panel, electronic expansion valve controls plate and electronic expansion
Valve is connected, and electric expansion valve is connected with condenser, vapours recuperation valve, evaporator respectively, frequency conversion fan control panel and frequency conversion wind
Machine is connected, and frequency conversion fan is connected with condenser, and condenser is connected with frequency-changeable compressor, vapours recuperation valve respectively, and heat steam is mended
Repay valve control panel to be connected with vapours recuperation valve, vapours recuperation valve is connected with frequency-changeable compressor, evaporator respectively, frequency conversion compression
Machine control panel is connected with frequency-changeable compressor, and frequency-changeable compressor is connected with evaporator, and evaporator is connected with water tank or fuel tank, water tank or
Fuel tank is connected with water pump or oil pump, and water pump or oil pump connection output end, temperature sensor are located in water tank or fuel tank；When temperature passes
Sensor perceives water tank or tank temperature, and the rate of change of temperature, trend, hysteresis are analyzed by PID control plate, calculated
Go out the running frequency of compressor, operated by frequency-changeable compressor control panel output control frequency-changeable compressor by assigned frequency；If
Temperature has the trend of rising, PID control plate control frequency-changeable compressor control panel frequency reducing, to reduce refrigerating capacity, on the contrary then rise frequency
Rate increases refrigerating capacity；When frequency-changeable compressor frequency changes, electric expansion valve is controlled to realize by electronic expansion valve controls plate
The continuous adjustment of refrigeration system, to reach optimal refrigeration and energy efficiency；
Refrigeration system knot is formed by frequency-changeable compressor, condenser, frequency conversion fan, electric expansion valve, vapours recuperation valve, evaporator
Structure；
Mended by temperature sensor, man-machine interface, PID control plate, electronic expansion valve controls plate, frequency conversion fan control panel, heat steam
Repay valve control panel, frequency-changeable compressor control panel composition electric control system structure；
The system is applied to Digit Control Machine Tool industry, when being specifically designed low-load or even zero load for the characteristics of Digit Control Machine Tool
Vapours recuperation valve, when work of numerical control machine is in low-load or shutdown, very little of generating heat, frequency-changeable compressor frequency is preferably minimized,
But still occur that refrigerating capacity is more than the situation of thermic load, at this time heat steam recuperation valve control panel can control vapours recuperation valve
The compensation of uncooled high-temperature high-pressure refrigerant vapours is neutralized into refrigerating capacity into evaporator, enabled the system in zero load situation
Under still can guarantee that high water temperature control accuracy.
2. existed according to a kind of Digit Control Machine Tool described in claim 1 with the frequency conversion temperature control system compensated with vapours, its feature
In：The water tank or fuel tank, water pump or oil pump form the refrigerating medium circulatory system by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510428527.9A CN105004110B (en) | 2015-07-21 | 2015-07-21 | Digit Control Machine Tool is with the frequency conversion temperature control system compensated with vapours |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510428527.9A CN105004110B (en) | 2015-07-21 | 2015-07-21 | Digit Control Machine Tool is with the frequency conversion temperature control system compensated with vapours |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105004110A CN105004110A (en) | 2015-10-28 |
| CN105004110B true CN105004110B (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510428527.9A Active CN105004110B (en) | 2015-07-21 | 2015-07-21 | Digit Control Machine Tool is with the frequency conversion temperature control system compensated with vapours |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110986404B (en) * | 2019-11-15 | 2021-06-18 | 珠海格力电器股份有限公司 | High-precision oil cooler and control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1395071A (en) * | 2001-07-02 | 2003-02-05 | 卡利尔公司 | Cooler system with variable speed driver |
| JP2003042582A (en) * | 2002-07-18 | 2003-02-13 | Mitsubishi Electric Corp | Freezing cycle device |
| CN201740325U (en) * | 2010-08-20 | 2011-02-09 | 三河市同飞制冷设备有限公司 | Industrial chiller with anti-freezing function for refrigerating in winter |
| JP2013164223A (en) * | 2012-02-13 | 2013-08-22 | Hitachi Appliances Inc | Heat source system |
| CN103575006A (en) * | 2013-11-25 | 2014-02-12 | 广东申菱空调设备有限公司 | Low-temperature refrigeration type air-cooling water chilling unit and control method thereof |
| CN104121736A (en) * | 2014-07-18 | 2014-10-29 | 合肥天鹅制冷科技有限公司 | Liquid cooling source unit with function of precisely controlling temperature and control method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4566052B2 (en) * | 2005-04-07 | 2010-10-20 | Ａｔｓジャパン株式会社 | Constant temperature maintenance device. |
-
2015
- 2015-07-21 CN CN201510428527.9A patent/CN105004110B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1395071A (en) * | 2001-07-02 | 2003-02-05 | 卡利尔公司 | Cooler system with variable speed driver |
| JP2003042582A (en) * | 2002-07-18 | 2003-02-13 | Mitsubishi Electric Corp | Freezing cycle device |
| CN201740325U (en) * | 2010-08-20 | 2011-02-09 | 三河市同飞制冷设备有限公司 | Industrial chiller with anti-freezing function for refrigerating in winter |
| JP2013164223A (en) * | 2012-02-13 | 2013-08-22 | Hitachi Appliances Inc | Heat source system |
| CN103575006A (en) * | 2013-11-25 | 2014-02-12 | 广东申菱空调设备有限公司 | Low-temperature refrigeration type air-cooling water chilling unit and control method thereof |
| CN104121736A (en) * | 2014-07-18 | 2014-10-29 | 合肥天鹅制冷科技有限公司 | Liquid cooling source unit with function of precisely controlling temperature and control method |
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| Publication number | Publication date |
|---|---|
| CN105004110A (en) | 2015-10-28 |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 065200 Sanhe, Langfang Railway Station Road, No. 3, No. Applicant after: Sanhe refrigeration Limited by Share Ltd Address before: 065200 Sanhe, Langfang Railway Station Road, No. 3, No. Applicant before: Sanhe Tongfei Refrigeration Equipment Co.,Ltd. |
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