CN107367093A - Ultra-low temperature refrigerating device intelligent controller - Google Patents
Ultra-low temperature refrigerating device intelligent controller Download PDFInfo
- Publication number
- CN107367093A CN107367093A CN201610312504.6A CN201610312504A CN107367093A CN 107367093 A CN107367093 A CN 107367093A CN 201610312504 A CN201610312504 A CN 201610312504A CN 107367093 A CN107367093 A CN 107367093A
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- China
- Prior art keywords
- ultra
- low temperature
- module
- refrigerating device
- temperature refrigerating
- 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.)
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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
- F25B49/00—Arrangement or mounting of control or safety devices
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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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/14—Compression machines, plants or systems characterised by the cycle used
- F25B2309/1428—Control of a Stirling refrigeration machine
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/15—Power, e.g. by voltage or current
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses ultra-low temperature refrigerating device intelligent controller, high speed applied to the ultra-low temperature refrigerating device of superelectron system accurately controls, including main control module and the temperature collect module, current detection module, voltage detection module, inverter circuit module, button/display module and the fan-driving module that are connected with the main control module.The main control module uses ARM architecture processors, SPWM technologies and PID closed loop control algorithms, control accuracy≤0.1K, and the refrigeration climbing time is short, low in energy consumption.Implement the ultra-low temperature refrigerating device intelligent controller of the present invention, have the advantages that：Refrigerating speed is fast, efficiency high, small volume, control accuracy are high, output voltage and frequency-adjustable, suitable for the ultra-low temperature refrigerating device of 0.3W~15W colds, effective EMC and EMI protection.
Description
Technical field
The present invention relates to ultra-low temperature refrigerating device control field, is surpassed more specifically to one kind based on Stirling
The high speed of Cryo Refrigerator system accurately controls and method.
Background technology
In the past few decades, the application and development of ultra-low temperature refrigerating device remain stable growth rate.With
The development of high-temperature superconductor and aeronautical and space technology, to the refrigerating capacity of micro low temperature refrigerator, efficiency and reliable
Property proposes higher requirement.It is limited primarily in the application of early stage Cryo Refrigerator in cryogenic pump and infrared acquisition,
The GM refrigeration machines mainly used in cryogenic pump and NMR, and infrared detector and high-temperature superconductor electricity
Subdomains are more to use sterlin refrigerator.Sterlin refrigerator has high efficiency, fast-refrigerating, small
The advantages that size, in light weight, low-power consumption, low vibration, high reliability and long-life, therefore miniature Stirling
Refrigeration machine is widely used in infrared detector and high-temperature superconductor electronic applications.Cryo Refrigerator and control skill
Art is by international block.
Traditional super low temperature refrigeration machine controller is directly driven using square wave, and refrigerating efficiency is not high, vibrating noise
Larger, and temperature control precision is not high, error causes super conductive filter centre frequency to float in ± 0.5K or so
Move, can not apply in the occasion for requiring that high cooling efficiency, refrigerating speed are fast and temperature control precision is high.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided ultralow temperature system
Cold intelligent controller, using ARM architecture processors, SPWM (Sinusoidal Pulse Width
Modulation, Sine Wave Pulse Width Modulation) technology and PID (Proportion Integral Derivative, ratio
Integral differential) closed loop control algorithm, solve the shortcomings that above-mentioned traditional controller, have refrigerating speed it is fast,
The characteristics of efficiency high, control accuracy height, output voltage and frequency-adjustable.
The technical solution adopted for the present invention to solve the technical problems is：Construct ultra-low temperature refrigerating device intelligent control
Device, the high speed applied to the ultra-low temperature refrigerating device of superelectron system accurately control, including main control module and
Temperature collect module, current detection module, voltage detection module, the inversion electricity being connected with the main control module
Road module, button/display module and fan-driving module；The main control module using ARM architecture processors,
SPWM technologies and PID closed loop control algorithms, control accuracy≤0.1K.
In ultra-low temperature refrigerating device intelligent controller of the present invention：
Temperature collect module, for carrying out real-time sampling and amplification to cryogenic temperature, and it is input to the master control
Module is quantified and handled；
Current detection module, for carrying out real-time sampling to the electric current of the ultra-low temperature refrigerating device；
Voltage detection module, for being detected to input voltage；
Inverter circuit module, for making the main control module according to required for driving the ultra-low temperature refrigerating device
Power, the make-and-break time of controlling switch, direct current is become into the constant sine wave of changes in amplitude frequency, driven
The ultra-low temperature refrigerating device work；
Button/display module, for controlling startup and closing, the parameter setting and aobvious of the ultra-low temperature refrigerating device
Show status information；
Fan-driving module, for driving speed-regulating fan, compressor, expansion to the ultra-low temperature refrigerating device
Radiated in machine and superelectron system equipment cabinet.
In ultra-low temperature refrigerating device intelligent controller of the present invention, shell and connection are shielded using all-metal
Device, reduce interference of the ultra-low temperature refrigerating device intelligent controller to system and be advantageous to radiate, improve
The reliability and stability of system.
Implement the ultra-low temperature refrigerating device intelligent controller of the present invention, have the advantages that:Refrigerating speed is fast,
Efficiency high, small volume, control accuracy height, output voltage and frequency and amplitude are adjustable, suitable for 0.3W~15W
The ultra-low temperature refrigerating device of cold, adjustable effectively EMC and EMI protection；Wherein, control accuracy≤0.1K,
Frequency-adjustable scope is 10Hz~200Hz, and voltage adjustable extent is 0~33V.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to implementing
The required accompanying drawing used is briefly described in example or description of the prior art, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structure chart of the ultra-low temperature refrigerating device intelligent controller in superelectron system；
Fig. 2 is the overall structure diagram of ultra-low temperature refrigerating device intelligent controller.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
The present invention provides new super low temperature refrigeration machine controller, the ultralow temperature system applied to superelectron system
The high speed of cold accurately controls, and is calculated using ARM architecture processors, SPWM technologies and PID closed-loop controls
Method, solve the shortcomings that above-mentioned traditional controller, have refrigerating speed is fast, efficiency high, control accuracy are high,
The features such as output voltage frequency and adjustable amplitude.Wherein, control accuracy≤0.1K, frequency-adjustable scope are
10Hz~200Hz, voltage adjustable extent are 0~33V.This product shields shell and connector using all-metal,
EMI can effectively be reduced and be advantageous to radiate, improve system reliability and stability.The present invention is China
The refrigeration machine to domesticize completely provides control technology and product.
Fig. 1 is structure chart of the ultra-low temperature refrigerating device intelligent controller in superelectron system.
Super low temperature refrigeration machine controller 1 is joined directly together with ultra-low temperature refrigerating device 2, for monitoring super low temperature refrigeration
Machine 2 works, while detects the cryogenic temperature in vacuum system 4, by the work(for adjusting ultra-low temperature refrigerating device 2
Rate exports, and the electronic device working environment in vacuum system 4 is reached setting temperature, and temperature fluctuation≤
In the range of 0.1K, realize that refrigeration is kept.
Ultra-low temperature refrigerating device intelligent controller 1 is joined directly together with superelectron intelligent monitor system 3, is superconducted
Sub- intelligent monitor system 3 can control ultra-low temperature refrigerating device intelligent controller 1 and read its current state letter
Breath, is transferred to data monitor center and is shown on LCD.
Fig. 2 is the overall structure diagram of ultra-low temperature refrigerating device intelligent controller, comprising main control module 5, and
The temperature collect module 9 that is connected with main control module 5, current detection module 6, voltage detection module 10, inversion
Circuit module 8, button/display module 11 and fan-driving module 7.
Main control module 5
Using ARM architecture processors, SPWM technologies and PID closed loop control algorithms, control accuracy≤0.1K.
Current detection module 6
Real-time sampling is carried out to the electric current of ultra-low temperature refrigerating device 2, when electric current exceeds normal range (NR), closing power
Output, effectively protect ultra-low temperature refrigerating device 2.
Fan-driving module 7
3 independent speed-regulating fans are driven, to the compressor of ultra-low temperature refrigerating device 2, expanding machine and are superconducted
Radiated in subscriber device cabinet.
Inverter circuit module 8
Power of the main control module 5 according to required for driving ultra-low temperature refrigerating device 2, the make-and-break time of controlling switch,
Direct current is become into the pulse that width do not wait, and by LC filter shapes, it is constant to form changes in amplitude frequency
Sine wave, driving ultra-low temperature refrigerating device 2 work.
Temperature collect module 9
Cryogenic temperature is carried out after sampling and amplify in real time, be input to main control module 5 and quantified and handled.
Voltage detection module 10
Input voltage is detected, when voltage exceeds normal range (NR), closing power output, protection ultralow temperature
Refrigeration machine 2.
Button/display module 11
Control ultra-low temperature refrigerating device 2 starts and closed, parameter setting and display status information.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in this hair
Within bright spirit and principle, any modification, equivalent substitution and improvements made etc., this hair should be included in
Within bright protection domain.
Claims (3)
1. ultra-low temperature refrigerating device intelligent controller, it is characterised in that the ultralow temperature applied to superelectron system
The high speed of refrigeration machine accurately controls, including main control module and the temperature acquisition mould that is connected with the main control module
Block, current detection module, voltage detection module, inverter circuit module, button/display module and fans drive
Module；The main control module uses ARM architecture processors, SPWM technologies and PID closed loop control algorithms,
Control accuracy≤0.1K.
2. ultra-low temperature refrigerating device intelligent controller according to claim 1, it is characterised in that
Temperature collect module, for carrying out real-time sampling and amplification to cryogenic temperature, and it is input to the master control mould
Block is quantified and handled；
Current detection module, for carrying out real-time sampling to the electric current of the ultra-low temperature refrigerating device；
Voltage detection module, for being detected to input voltage；
Inverter circuit module, for making work(of the main control module according to required for driving the ultra-low temperature refrigerating device
Rate, the make-and-break time of controlling switch, direct current is become into the constant sine wave of changes in amplitude frequency, drives institute
State ultra-low temperature refrigerating device work；
Button/display module, for controlling startup and closing, the parameter setting and display of the ultra-low temperature refrigerating device
Status information；
Fan-driving module, for driving speed-regulating fan, compressor, expanding machine to the ultra-low temperature refrigerating device
And radiated in superelectron system equipment cabinet.
3. ultra-low temperature refrigerating device intelligent controller according to claim 1 or 2, it is characterised in that adopt
Shield shell and connector with all-metal, reduce interference of the ultra-low temperature refrigerating device intelligent controller to system,
And be advantageous to radiate, improve the reliability and stability of system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312504.6A CN107367093B (en) | 2016-05-11 | 2016-05-11 | Intelligent controller for cryogenic refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312504.6A CN107367093B (en) | 2016-05-11 | 2016-05-11 | Intelligent controller for cryogenic refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107367093A true CN107367093A (en) | 2017-11-21 |
| CN107367093B CN107367093B (en) | 2020-10-20 |
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ID=60304045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610312504.6A Active CN107367093B (en) | 2016-05-11 | 2016-05-11 | Intelligent controller for cryogenic refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107367093B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2260337Y (en) * | 1995-12-25 | 1997-08-20 | 于仕林 | Full automatic water level control device |
| JP2005345022A (en) * | 2004-06-03 | 2005-12-15 | Kanazawa Inst Of Technology | Cryogenic cooling system |
| CN102026248A (en) * | 2010-12-07 | 2011-04-20 | 广州特信网络技术有限公司 | Intelligent monitoring system for superconducting link |
| CN105099085A (en) * | 2014-05-23 | 2015-11-25 | 韩磊 | Electromagnetic field shield system of motor controller of electric automobile |
-
2016
- 2016-05-11 CN CN201610312504.6A patent/CN107367093B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2260337Y (en) * | 1995-12-25 | 1997-08-20 | 于仕林 | Full automatic water level control device |
| JP2005345022A (en) * | 2004-06-03 | 2005-12-15 | Kanazawa Inst Of Technology | Cryogenic cooling system |
| CN102026248A (en) * | 2010-12-07 | 2011-04-20 | 广州特信网络技术有限公司 | Intelligent monitoring system for superconducting link |
| CN105099085A (en) * | 2014-05-23 | 2015-11-25 | 韩磊 | Electromagnetic field shield system of motor controller of electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107367093B (en) | 2020-10-20 |
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