CN110131915A - A kind of High-precision temperature control system and method - Google Patents
A kind of High-precision temperature control system and method Download PDFInfo
- Publication number
- CN110131915A CN110131915A CN201910287026.1A CN201910287026A CN110131915A CN 110131915 A CN110131915 A CN 110131915A CN 201910287026 A CN201910287026 A CN 201910287026A CN 110131915 A CN110131915 A CN 110131915A
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- temperature control
- equipment
- heat exchanger
- heat
- temperature
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of High-precision temperature control system and method, including liquid cold source equipment and temperature control end-equipment, the liquid cold source equipment is used to provide cooling capacity or heat for temperature control end-equipment；The temperature control end-equipment includes fan coil and working plate, and the cooling capacity or heat transfer that the fan coil is used to provide the liquid cold source equipment give Terahertz equipment, and the working plate is used to construct the space of a closing and temperature-controllable；The working plate includes heat preservation fixing layer and water tank, and the water tank is located at the inside of heat preservation fixing layer.The present invention is able to achieve fast accurate temperature control, and uniformity is good, and high degree reduces the influence of unfavorable factor in ambient enviroment, and the time of temperature control process is greatly saved, and improves the service performance of Terahertz equipment；And liquid cooling medium specific heat capacity is big, and temperature fluctuation is small, while carrying out isothermal holding to controlled device, not only energy saving, but also is conducive to the integrated of product and miniaturization.
Description
Technical field
The present invention relates to energy resource system technical fields, and in particular to a kind of High-precision temperature control system and method.
Background technique
THz wave is a kind of electromagnetic wave, and the intensity and temperature of electromagnetic wave have much relations, it is desirable to which Terahertz Technology is answered
It uses in some special dimensions, must just carry out temperature control to Terahertz relevant device, only its temperature is controlled and is being suitble to
Its functional application is just able to achieve in range.
Air-cooled temperature controlling mode is substantially used currently on the market, using air themperature as controlled device, temperature control effect is poor,
Relevant device uniform temperature not can guarantee, while existing temperature-controlling system is still not perfect, and the cooling capacity that air-cooled unit provides cannot be effective
The phenomenon that utilization, there are cooling capacity to be lost, loss.
Summary of the invention
Technical problem to be solved by the present invention lies in: the precision of temperature control system how is improved to improve Terahertz
The service performance of relevant device provides a kind of high-precision temperature control method.
The present invention is to solve above-mentioned technical problem by the following technical programs, and the present invention includes liquid cold source equipment and temperature control
End-equipment；
The liquid cold source equipment is used to provide cooling capacity or heat for temperature control end-equipment；
The temperature control end-equipment includes fan coil and working plate, and the fan coil is used for the liquid cold source equipment
The cooling capacity or heat transfer of offer give Terahertz equipment, and the working plate is used to construct the space of a closing and temperature-controllable；
The working plate includes heat preservation fixing layer and water tank, and the water tank is located at the inside of heat preservation fixing layer, the heat preservation
Fixing layer reveals for heat insulation and fixed water tank, and for the water tank for storing refrigerating medium, the water tank is internally provided with increasing
The enhancing component of strong heat transfer effect.
Preferably, the working plate further includes pillar and protective layer, and the outside of heat preservation fixing layer is arranged in the protective layer,
The protective layer plays the role of support protection Terahertz equipment, and the pillar is located between water tank described in two adjacent groups, is used for
Support water tank.
Preferably, multiple working plates, which link together, constitutes enclosure space, shields external interference, promotes Terahertz and sets
Standby service performance, Terahertz equipment are located in the enclosure space, and the numerical value of the temperature uniformity of multiple working plates is less than
.5 DEG C, it can be realized the accurate temperature controlling work to Terahertz equipment.
Preferably, the liquid cold source equipment includes compressor, blower, First Heat Exchanger, heating power expansion valve and the second heat exchange
Device, the assembling in the inside of heat exchanger, the compressor, First Heat Exchanger, heating power expansion valve and the second heat exchanger according to
It is secondary to be connected to end.
Preferably, the enhancing component is cooling pipe or pipe wing heat exchanger etc., and second heat exchanger is plate-type heat-exchange
Device can effectively improve temperature control efficiency.
Preferably, it is provided between the fan coil and the second heat exchanger and is changed for being connected to electric fan coil pipe with second
The electric T-shaped valve of hot device, electric T-shaped valve are used to refrigerating medium being sent into fan coil and be recycled.
Preferably, the liquid pump for completing refrigerating medium cycle operation is provided between the working plate and the second heat exchanger,
Refrigerating medium is water, ethylene glycol solution or anti-icing fluid etc..
A kind of high-precision temperature control method, comprising:
S1: change the temperature of refrigerant
Refrigerant temperature is reduced or improved by steam compression type refrigeration/pyrogen reason；
S2:；Change the temperature of refrigerating medium
Refrigerant in S1 is passed through in the second heat exchanger, provides cold heat amount for refrigerating medium, to change the temperature of refrigerating medium
Degree；
S3: cold heat amount is sent into temperature control end-equipment
The refrigerating medium in S2 is sent into fan coil and working plate by liquid pump, completes the temperature tune to Terahertz equipment
Control work.
The present invention has the advantage that the High-precision temperature control system and method compared with prior art, is able to achieve quickly
Accurate temperature control, uniformity is good, and high degree reduces the influence of unfavorable factor in ambient enviroment, and temperature control process is greatly saved
Time improves the service performance of Terahertz equipment；And liquid cooling medium specific heat capacity is big, and temperature fluctuation is small, while to controlled pair
It is not only energy saving as carrying out isothermal holding, but also be conducive to the integrated of product and miniaturization.
Detailed description of the invention
Fig. 1 is systematic schematic diagram of the invention；
Fig. 2 is the cross section structure schematic diagram of working plate of the invention.
In figure: 1, compressor；2, blower；3, First Heat Exchanger；4, heating power expansion valve；5, the second heat exchanger；6, electronic three
Port valve；7, fan coil；8, liquid pump；9, working plate；1, fixing layer is kept the temperature；11, pillar；12, water tank；13, cooling pipe；14,
Protective layer.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
As shown in Figs. 1-2, the present embodiment provides a kind of technical solutions: a kind of High-precision temperature control system, comprising: liquid cooling
Source device and temperature control end-equipment；
Liquid cold source equipment is used to provide cooling capacity or heat for temperature control end-equipment；
Temperature control end-equipment includes fan coil 7 and working plate 9, and fan coil 7 is cold for providing liquid cold source equipment
Amount or heat transfer give Terahertz equipment, and working plate 9 is used to construct the space of a closing and temperature-controllable；
Working plate 9 includes heat preservation fixing layer 1 and water tank 12, and water tank 12 is located at the inside of heat preservation fixing layer 1, keeps the temperature fixing layer
1 reveals for heat insulation and fixes water tank 12, and water tank 12 is internally provided with enhancing heat exchange effect for storing refrigerating medium, water tank 12
The enhancing component of fruit.
Further, working plate 9 further includes pillar 11 and protective layer 14, and the outer of heat preservation fixing layer 1 is arranged in protective layer 14
Portion, protective layer 14 play the role of support protection Terahertz equipment, and pillar 11 is used to support between two adjacent groups water tank 12
Water tank 12.
Further, multiple working plates 9, which link together, constitutes enclosure space, shields external interference, promotes Terahertz and sets
Standby service performance, Terahertz equipment are located in enclosure space, and the numerical value of the temperature uniformity of multiple working plates 9 is less than 0.5 DEG C, energy
Enough realize works to the accurate temperature controlling of Terahertz equipment.
Further, liquid cold source equipment includes that compressor 1, blower 2, First Heat Exchanger 3, heating power expansion valve 4 are changed with second
Hot device 5, blower 2 are mounted on the inside of heat exchanger 3, compressor 1, First Heat Exchanger 3, heating power expansion valve 4 and the second heat exchanger 5 according to
It is secondary to be connected to end.
Further, enhancing component is cooling pipe 13 or pipe wing heat exchanger, and the second heat exchanger 5 is plate heat exchanger, energy
Enough effectively improve temperature control efficiency.
Further, it is provided between fan coil 7 and the second heat exchanger 5 for being connected to electric fan coil pipe 7 and second
The electric T-shaped valve 6 of heat exchanger 5, electric T-shaped valve 6 are used to refrigerating medium being sent into fan coil 7 and be recycled.
Further, the liquid pump 8 for completing refrigerating medium cycle operation is provided between working plate 9 and the second heat exchanger 5,
Refrigerating medium is water, ethylene glycol solution or anti-icing fluid etc..
The present embodiment additionally provides a kind of high-precision temperature control method, comprising:
S1: the temperature of refrigerant is reduced
Refrigerant temperature is reduced by steam compression type principle；
S2:；Reduce the temperature of refrigerating medium
Refrigerant in S1 is passed through in the second heat exchanger 5, provides cooling capacity for refrigerating medium, to reduce the temperature of refrigerating medium
Degree；
S3: cooling capacity is sent into temperature control end-equipment
The refrigerating medium in S2 is sent into fan coil 7 and working plate 9 by liquid pump 8, completes the temperature to Terahertz equipment
Degree regulation work.
During cooling supply, liquid cold source equipment is reduced refrigerant temperature using steam compression type refrigeration principle, low temperature system
Cryogen provides cooling capacity after the heat exchange of the second heat exchanger 5 for refrigerating medium, to reduce refrigerant temperature, then refrigerant enters pressure
Contracting machine 1 is compressed into high-temperature high-pressure medium, under the action of blower 2, heat exchanger 3, transfers heat in atmospheric environment, then
The second heat exchanger 5 is again introduced by heating power expansion valve 4 and provides cooling capacity for refrigerating medium, completes refrigerant circulation.
Low temperature refrigerating medium is sent into temperature control end-equipment by liquid pump 8 through liquid supply pipe, provides cooling capacity for temperature control end-equipment, into
Row heat exchange, temperature increases after refrigerating medium heat exchange, is flowed back to by back liquid pipeline, is then again introduced into the second heat exchanger 5 and absorbs
Cooling capacity completes refrigerating medium circulation.
After low temperature refrigerating medium enters fan coil 7, cooling capacity is passed to Terahertz equipment by fan coil 7, reduces Terahertz
The temperature of equipment, while can dehumidify, prevent wall surface condensation.Fan coil 7 is according to actual use demand, it can be achieved that Terahertz
The cooling of equipment；After low temperature refrigerating medium enters the enclosure space being made of multiple working plates 9, in the work of enhancing component and water tank 12
Under, it can make the temperature uniformity Numerical Control of multiple working plates 9 within 0.5 DEG C, being conducive to promotion Terahertz equipment makes
Use performance.
Embodiment two
The difference of the present embodiment and embodiment one are as follows: present embodiments provide a kind of high-precision temperature control method, comprising:
S1: the temperature of refrigerant is improved
Refrigerant temperature is improved by steam compression type principle；
S2:；Improve the temperature of refrigerating medium
Refrigerant in S1 is passed through in the second heat exchanger 5, provides heat for refrigerating medium, to improve the temperature of refrigerating medium
Degree；
S3: heat is sent into temperature control end-equipment
The refrigerating medium in S2 is sent into fan coil 7 and working plate 9 by liquid pump 8, completes the temperature to Terahertz equipment
Degree regulation work.
In heating process, liquid cold source equipment is increased refrigerant temperature using steam compression type heating principle, high temperature system
Cryogen provides heat after the heat exchange of the second heat exchanger 5 for refrigerating medium, to improve refrigerant temperature, then refrigerant enters pressure
Contracting machine 1 is compressed into cryogenic high pressure medium, under the action of blower 2, heat exchanger 3, heat is absorbed from atmospheric environment, is then passed through
It crosses heating power expansion valve 4 and is again introduced into the second heat exchanger 5 and provide heat for refrigerating medium, complete refrigerant circulation.
High temperature refrigerating medium is sent into temperature control end-equipment by liquid pump 8 through liquid supply pipe, provides heat for temperature control end-equipment, into
Row heat exchange, temperature reduces after refrigerating medium heat exchange, is flowed back to by back liquid pipeline, is then again introduced into the second heat exchanger 5 and absorbs
Heat completes refrigerating medium circulation.
After high temperature refrigerating medium enters fan coil 7, fan coil 7 transfers heat to Terahertz equipment, improves Terahertz
The temperature of equipment, while can dehumidify, prevent wall surface condensation.Fan coil 7 is according to actual use demand, it can be achieved that Terahertz
The heating of equipment；After low temperature refrigerating medium enters the enclosure space being made of multiple working plates 9, in the work of enhancing component and water tank 12
Under, it can make the temperature uniformity Numerical Control of multiple working plates 9 within 0.5 DEG C, being conducive to promotion Terahertz equipment makes
Use performance.
In addition to the embodiments described above, remaining embodiment in the present embodiment is identical as the embodiment in embodiment one.
In conclusion the present invention is able to achieve fast accurate temperature control, uniformity is good, and high degree reduces in ambient enviroment not
The time of temperature control process is greatly saved in the influence of sharp factor, improves the service performance of Terahertz equipment；And liquid cooling medium
Specific heat capacity is big, and temperature fluctuation is small, while carrying out isothermal holding to controlled device, not only energy saving, but be conducive to the integrated of product with
Miniaturization, is worth being used more widely.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of High-precision temperature control system characterized by comprising liquid cold source equipment and temperature control end-equipment；
The liquid cold source equipment is used to provide cooling capacity or heat for temperature control end-equipment；
The temperature control end-equipment includes fan coil and working plate, and the fan coil is for providing the liquid cold source equipment
Cooling capacity or heat transfer to target device, the working plate is used to construct one and closes and the space of temperature-controllable；
The working plate includes heat preservation fixing layer and water tank, and the water tank is located at the inside of heat preservation fixing layer, and the heat preservation is fixed
Layer reveals for heat insulation and fixed water tank, and the water tank for storing refrigerating medium, change by the enhancing that is internally provided with of the water tank
The enhancing component of thermal effect.
2. a kind of High-precision temperature control system according to claim 1, it is characterised in that: the working plate further includes branch
The outside of heat preservation fixing layer is arranged in column and protective layer, the protective layer, and the pillar is located between water tank described in two adjacent groups,
It is used to support water tank.
3. a kind of High-precision temperature control system according to claim 1, it is characterised in that: multiple working plate connections
Enclosure space is constituted together, and target device is located in the enclosure space, the number of the temperature uniformity of multiple working plates
Value is less than 0.5 DEG C.
4. a kind of High-precision temperature control system according to claim 1, it is characterised in that: the liquid cold source equipment includes
Compressor, blower, First Heat Exchanger, heating power expansion valve and the second heat exchanger, the assembling are described in the inside of heat exchanger
Compressor, First Heat Exchanger, heating power expansion valve and the second heat exchanger are successively connected to end.
5. a kind of High-precision temperature control system according to claim 4, it is characterised in that: the enhancing component is cooling
Pipeline or pipe wing heat exchanger, second heat exchanger are plate heat exchanger.
6. a kind of High-precision temperature control system according to claim 4, it is characterised in that: the fan coil and second
The electric T-shaped valve for being connected to electric fan coil pipe and the second heat exchanger is provided between heat exchanger.
7. a kind of High-precision temperature control system according to claim 4, it is characterised in that: the working plate is changed with second
Be provided with the liquid pump for completing refrigerating medium cycle operation between hot device, refrigerating medium be water, ethylene glycol solution and anti-icing fluid wherein
One kind.
8. a kind of high-precision temperature control method, which comprises the following steps:
S1: change the temperature of refrigerant
Refrigerant temperature is reduced or improved by steam compression type refrigeration/pyrogen reason；
S2:；Change the temperature of refrigerating medium
Refrigerant in S1 is passed through in the second heat exchanger, provides cold heat amount for refrigerating medium, to change the temperature of refrigerating medium；
S3: cold heat amount is sent into temperature control end-equipment
The refrigerating medium in S2 is sent into fan coil and working plate by liquid pump, completes to regulate and control work to the temperature of target device
Make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287026.1A CN110131915A (en) | 2019-04-10 | 2019-04-10 | A kind of High-precision temperature control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287026.1A CN110131915A (en) | 2019-04-10 | 2019-04-10 | A kind of High-precision temperature control system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110131915A true CN110131915A (en) | 2019-08-16 |
Family
ID=67569628
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910287026.1A Withdrawn CN110131915A (en) | 2019-04-10 | 2019-04-10 | A kind of High-precision temperature control system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824571A (en) * | 2019-09-23 | 2020-02-21 | 北京中彤节能技术有限公司 | Temperature control plate, terahertz human body security check instrument environment temperature control system and method |
| CN113284704A (en) * | 2021-05-17 | 2021-08-20 | 北京航空航天大学合肥创新研究院(北京航空航天大学合肥研究生院) | Self-rotating terahertz transmitter based on heat dissipation structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201726616U (en) * | 2010-08-09 | 2011-01-26 | 苏州昆拓冷机有限公司 | Assembled temperature control cabinet |
| WO2015175693A1 (en) * | 2014-05-13 | 2015-11-19 | Green Revolution Cooling, Inc. | System and method for air-cooling hard drives in liquid-cooled server rack |
| CN206932529U (en) * | 2017-04-12 | 2018-01-26 | 航天华盛源机电（苏州）有限公司 | A kind of combined liquid cold heat sink |
| CN207019361U (en) * | 2017-07-19 | 2018-02-16 | 茂进物流科技（苏州）有限公司 | Cold-storage device and refrigerating box |
| CN107771015A (en) * | 2017-11-29 | 2018-03-06 | 郑州云海信息技术有限公司 | A kind of data center |
| CN109405367A (en) * | 2018-10-29 | 2019-03-01 | 珠海格力电器股份有限公司 | Water cooler and cooling device |
-
2019
- 2019-04-10 CN CN201910287026.1A patent/CN110131915A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201726616U (en) * | 2010-08-09 | 2011-01-26 | 苏州昆拓冷机有限公司 | Assembled temperature control cabinet |
| WO2015175693A1 (en) * | 2014-05-13 | 2015-11-19 | Green Revolution Cooling, Inc. | System and method for air-cooling hard drives in liquid-cooled server rack |
| CN206932529U (en) * | 2017-04-12 | 2018-01-26 | 航天华盛源机电（苏州）有限公司 | A kind of combined liquid cold heat sink |
| CN207019361U (en) * | 2017-07-19 | 2018-02-16 | 茂进物流科技（苏州）有限公司 | Cold-storage device and refrigerating box |
| CN107771015A (en) * | 2017-11-29 | 2018-03-06 | 郑州云海信息技术有限公司 | A kind of data center |
| CN109405367A (en) * | 2018-10-29 | 2019-03-01 | 珠海格力电器股份有限公司 | Water cooler and cooling device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824571A (en) * | 2019-09-23 | 2020-02-21 | 北京中彤节能技术有限公司 | Temperature control plate, terahertz human body security check instrument environment temperature control system and method |
| CN113284704A (en) * | 2021-05-17 | 2021-08-20 | 北京航空航天大学合肥创新研究院(北京航空航天大学合肥研究生院) | Self-rotating terahertz transmitter based on heat dissipation structure |
| CN113284704B (en) * | 2021-05-17 | 2022-07-19 | 北京航空航天大学合肥创新研究院(北京航空航天大学合肥研究生院) | Self-rotating terahertz transmitter based on heat dissipation structure |
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Application publication date: 20190816 |