CN104199479B - Stepless temperature control system - Google Patents
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- CN104199479B CN104199479B CN201410410223.5A CN201410410223A CN104199479B CN 104199479 B CN104199479 B CN 104199479B CN 201410410223 A CN201410410223 A CN 201410410223A CN 104199479 B CN104199479 B CN 104199479B
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- 238000012546 transfer Methods 0.000 claims abstract description 133
- 230000001276 controlling effect Effects 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 239000002826 coolant Substances 0.000 claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 37
- 230000008676 import Effects 0.000 claims abstract description 32
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 239000000446 fuel Substances 0.000 claims abstract description 14
- 239000003507 refrigerant Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 230000032683 aging Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Abstract
The present invention provides a kind of stepless temperature control system, including circulating pump, hot heat exchanger, heating agent transfer tube, cold conditions heat exchanger, coolant transfer tube, ratio adjusting valve, fuel feeding house steward, oil return house steward and temperature regulating device.Hot heat exchanger includes Heating medium, heating agent outlet, heat transfer medium the first import and heat transfer medium first and exports, and heat transfer medium the first import is connected with circulating pump.Cold conditions heat exchanger includes coolant import, refrigerant exit, heat transfer medium the second import and heat transfer medium second and exports, and heat transfer medium the second import is connected with circulating pump.Two entrance points of ratio adjusting valve connect heat transfer medium the first outlet respectively and heat transfer medium second exports, and the port of export connects wherein one end of fuel feeding house steward.Fuel feeding house steward's other end connects by the import of temperature controlling instruments.Oil return house steward connects by the outlet of temperature controlling instruments and circulating pump.Temperature regulating device is according to the valve opening being controlled ratio adjusting valve by the temperature of temperature controlling instruments.
Description
Technical field
The present invention relates to technical field of temperature control, and particularly to a kind of stepless temperature control system.
Background technology
In the living environment of the mankind, temperature plays extremely important role.Temperature, as an important physical quantity, is one of technological parameter the most general in industrial processes, most important.Along with the development of industry, temperature control precision requires that increasingly stricter and required temperature controlling range is also more and more extensive.
In existing temperature control system, it is common to adopt several fixing heat transfer medium.Such as, heat transfer temperature be-10 degrees Celsius chilled brine, heat transfer temperature be the cooling water of 30 degrees Celsius and steam that heat transfer temperature is 159 degrees Celsius.The temperature of heat transfer substance can only in specific several fixed values, and temperature washability is poor, and temperature controlling range is narrow.
Additionally, in the industrial production, the different stages of reaction is different by the temperature required for temperature controlling instruments.In existing temperature control system, in order to realize the demand of different temperatures, in same pipeline or equipment, different heat transfer medium is used alternatingly.Not only can produce mutual pollution between different heat transfer mediums, simultaneously for pipeline and equipment, different heat transfer medium is used alternatingly and also can accelerate the corrosion of pipeline and equipment and aging speed, thus greatly reducing the service life of temperature control system.
And further, in existing temperature control system, heat up and the speed of cooling is to be controlled by the flow of pipeline or the heat transfer medium of equipment by control.In temperature control system, the instability of flow of heat transfer medium impacts to pipeline or equipment build-up of pressure, has a strong impact on the service life of pipeline or equipment.
Summary of the invention
The present invention is in order to overcome the deficiencies in the prior art, it is provided that a kind of stepless temperature control system, and this system can realize output or absorb stepless adjustable by the heat energy of temperature controlling instruments, stable and controlled.
To achieve these goals, the present invention provides a kind of stepless temperature control system, including circulating pump, hot heat exchanger, heating agent transfer tube, cold conditions heat exchanger, coolant transfer tube, ratio adjusting valve, fuel feeding house steward, oil return house steward and temperature regulating device.Hot heat exchanger includes Heating medium, heating agent outlet, heat transfer medium the first import and heat transfer medium first and exports, and heat transfer medium the first import is connected with circulating pump.Heating agent transfer tube connects Heating medium and heating agent outlet.Cold conditions heat exchanger includes coolant import, refrigerant exit, heat transfer medium the second import and heat transfer medium second and exports, and heat transfer medium the second import is connected with circulating pump.Coolant transfer tube connects coolant import and refrigerant exit.Two entrance points of ratio adjusting valve connect heat transfer medium the first outlet respectively and heat transfer medium second exports, and the port of export connects wherein one end of fuel feeding house steward.Fuel feeding house steward's other end connects by the import of temperature controlling instruments, for by temperature control device transmission heat transfer medium.Oil return house steward connects by the outlet of temperature controlling instruments and circulating pump.Temperature regulating device includes detecting by the temperature sensor of temperature control device temperature value and controller, and controller is electrically connected ratio adjusting valve, and controller controls the valve opening of ratio adjusting valve according to the temperature signal that temperature sensor collects.
In one embodiment of the invention, the heating agent transfer tube being connected with Heating medium is provided with the heating agent regulating flow rate of heat medium and regulates valve, and heating agent regulates valve and is electrically connected controller.
In one embodiment of the invention, the coolant transfer tube being connected with coolant import is provided with the coolant regulating cold medium flux and regulates valve, and coolant regulates valve and is electrically connected controller.
In one embodiment of the invention, the two ends at two ends and coolant adjustment valve that heating agent regulates valve are provided with bypass valve respectively.
In one embodiment of the invention, stepless temperature control system also includes expansion drum, and expansion drum is connected with oil return house steward.
In one embodiment of the invention, expansion drum is provided with steel Pressure gauge.
In one embodiment of the invention, heat transfer medium first exports, heat transfer medium second exports and is provided with thermometer scale on the port of export of ratio adjusting valve.
In one embodiment of the invention, circulating pump and the connecting line of hot heat exchanger and cold conditions heat exchanger are provided with check-valves.
In sum, stepless temperature control system provided by the invention, compared with existing temperature control system, has the advantage that
Distribute and exported the flow of the two-way heat that with heat transfer medium second export output different heat transfer medium by heat transfer medium first by controlling ratio adjusting valve and reach to control by the temperature value of temperature controlling instruments.Being partial to heat transfer medium first when the valve opening of ratio adjusting valve to export, output, to being increased by the heat transfer medium heat of temperature controlling instruments, is heated up by temperature controlling instruments.Accordingly, being partial to heat transfer medium second when the valve opening of ratio adjusting valve and export, the heat transfer medium flow low in calories of output increases, and this heat transfer medium low in calories quickly absorbs by the heat of temperature controlling instruments, it is achieved by the cooling of temperature controlling instruments.Owing to the valve opening of ratio adjusting valve is continuously adjustabe, it it is therefore all continuously adjustabe by the heating-up temperature of temperature controlling instruments and chilling temperature, it is achieved stepless temperature-regulating.User can reach the temperature of arbitrarily needs by controlling the aperture of ratio adjusting valve, and homoiothermic speed is fast, and temperature control is sensitive, moment can change to low temperature from high-temperature machining.
Further, in this stepless temperature control system, only a kind of heat transfer medium in fuel feeding house steward and oil return house steward, avoid traditional many heat transfer mediums and share a pipeline, not only mutually pollute between heat transfer medium, also pipeline and equipment can be caused heavy corrosion and aging problem simultaneously, substantially increase the service life of pipeline and equipment.
Additionally, and owing to the output flow of ratio adjusting valve is constant, therefore in whole control system, the flow of heat transfer medium is constant, the compression shock that in system, each hardware will not be suddenlyd change, it is simple to hardware maintenance.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, it is described in detail below.
Accompanying drawing explanation
Fig. 1 show the structural representation of the stepless temperature control system that one embodiment of the invention provides.
Detailed description of the invention
As it is shown in figure 1, the stepless temperature control system that the present embodiment provides includes circulating pump 1, hot heat exchanger 2, heating agent transfer tube 3, cold conditions heat exchanger 4, coolant transfer tube 5, ratio adjusting valve 6, fuel feeding house steward 7, oil return house steward 8 and temperature regulating device 9.Hot heat exchanger 2 includes Heating medium 201, heating agent outlet 202, heat transfer medium the first import 203 and heat transfer medium first and exports 204, and heat transfer medium the first import 203 is connected with circulating pump 1.Heating agent transfer tube 3 connects Heating medium 201 and heating agent outlet 202.Cold conditions heat exchanger 4 includes coolant import 401, refrigerant exit 402, heat transfer medium the second import 403 and heat transfer medium second and exports 404.Heat transfer medium the second import 403 is connected with circulating pump 1.Coolant transfer tube 5 connects coolant import 401 and refrigerant exit 402.
Two entrance points of ratio adjusting valve 6 connect respectively heat transfer medium first export 204 and heat transfer medium second export 404, the port of export connect fuel feeding house steward 7 wherein one end.Fuel feeding house steward 7 other end connects by the import of temperature controlling instruments 100, for being transmitted heat transfer medium by temperature controlling instruments 100.Oil return house steward 8 connects by the outlet of temperature controlling instruments 100 and circulating pump 1.Temperature regulating device 9 includes detecting by the temperature sensor 901 of temperature control device temperature value and controller 902.Controller 902 is electrically connected ratio adjusting valve 6, and controller 902 controls the valve opening of ratio adjusting valve 6 according to the temperature signal that temperature sensor 901 collects.
Concrete operation principle: when needs are to when being heated by temperature controlling instruments 100, heating agent enters hot heat exchanger 2 through heating agent transfer tube 3.Meanwhile, heat transfer medium is separately input in hot heat exchanger 2 and cold conditions heat exchanger 4 by circulating pump 1 through heat transfer medium the first import 203 and heat transfer medium the second import 403.Heat transfer medium is heated by heating agent.And in order to energy-conservation, now obstructed coolant in coolant transfer tube 5, allow by the temperature remains within the normal range the state of the transmission medium in cold conditions heat exchanger 4.Regulate the valve opening of ratio adjusting valve 6 so that the valve deflection heat transfer medium first of ratio adjusting valve 6 exports 204 so that the flow of the heat transfer medium after heating is more than the flow of the heat transfer medium under room temperature state.Heat transfer medium after heating flows into by temperature controlling instruments 100 through fuel feeding house steward 7.Transferring heat to by after temperature controlling instruments 100, heat transfer medium back flows back in hot heat exchanger 2 and cold conditions heat exchanger 4 through oil return house steward 8 under the effect of circulating pump 1.
Exporting 204 along with the valve of ratio adjusting valve 6 is partial to heat transfer medium first gradually, the heat of the heat transfer medium of ratio adjusting valve 6 output is more high, is heated up by temperature controlling instruments 100 more fast, and after heating, the temperature value of gained is also more high.Owing to ratio adjusting valve 6 is continuously adjustable, therefore this temperature control system can realize continuously adjusting by the temperature of temperature controlling instruments 100, it is achieved stepless temperature-regulating.
Identical, when being needed to lower the temperature by temperature controlling instruments, stopping conveying heating agent in heating agent transfer tube 3, and input coolant in coolant transfer tube 5, coolant, to being cooled down by the heat transfer medium of cold conditions heat exchanger 4, reduces the heat of heat transfer medium.According to by the chilling temperature value needed for temperature controlling instruments 100, regulate the aperture of the valve of ratio adjusting valve 6, increase the flow of the heat transfer medium after cooling.More low by the chilling temperature value needed for temperature controlling instruments 100, the flow of the heat transfer medium after the cooling of ratio adjusting valve 6 output is more big.But owing to the output flow of ratio adjusting valve 6 is constant, although the flow of the heat transfer medium after cooling becomes big, but flow value total in system at any time all keeps constant.
And owing to, in this stepless temperature control system, heat transfer medium is one only, the temperature of heat transfer medium only can need to be realized by the aperture of control ratio adjusting valve 6.User has the heat transfer medium of different temperatures without spending the substantial amounts of time to change, and not only temperature control is sensitive, moment can be changed to low temperature from high-temperature machining by temperature controlling instruments 100, and easy to operate, rapid.
Owing to the control of temperature has hysteresis quality, in the present embodiment, by temperature sensor 901 Real-time Collection in temperature regulating device 9 by the temperature signal of temperature controlling instruments.Controller 902 is automatically adjusted the valve opening of ratio adjusting valve 6 according to this temperature signal.Such as, when being differed greatly with target temperature by the temperature of temperature controlling instruments 100, controller 902 controls ratio adjusting valve 6 so that valve opening is almost all partial to hot heat exchanger 2 or cold conditions heat exchanger 4.And when being differed less by the temperature of temperature controlling instruments 100 with target temperature, the valve of ratio adjusting valve 6 is gradually toward middle skew.According to the aperture being automatically adjusted ratio adjusting valve 6 by the different temperatures of temperature controlling instruments 100, temperature degree of regulation is high, accuracy of temperature control up to ± 0.5 degree Celsius～± 3 degrees Celsius.
In the present embodiment, ratio adjusting valve 6 is three-way control valve, and heat transfer medium is conduction oil.But, this is not limited in any way by the present invention.
In different application scenarios, different by the temperature needed for temperature controlling instruments 100, some is needed significantly high heating-up temperature and/or very low chilling temperature by temperature controlling instruments 100.In the present embodiment, in order to meet the demand of this kind equipment further, the heating agent transfer tube 3 being connected with Heating medium 201 is provided with the heating agent regulating flow rate of heat medium and regulates valve 10, and heating agent regulates valve 10 and is electrically connected controller 902.Accordingly, the coolant transfer tube 5 being connected with coolant import 402 is provided with the coolant regulating cold medium flux and regulates valve 11, and coolant regulates valve 11 and is electrically connected controller 902.
Heating agent regulates valve 10 scalable flow rate of heat medium by heating agent transfer tube 3.Flow rate of heat medium increases, and the heat contained by heating agent also increases, and the heat passing to heat transfer medium accordingly is also more high, and heat transfer medium output is to also more high by the heat of temperature controlling instruments 100, and more fast by temperature controlling instruments 100 programming rate, warming temperature value is more high.
Identical, regulating valve 11 by regulating coolant, the flow increasing coolant reduces the heat of heat transfer medium further.The heat of heat transfer medium is more low, and it is more big with by the heat exchange of temperature controlling instruments 100, and exchange velocity is also more fast.
Regulate valve 10 and coolant adjustment valve 11 by arranging heating agent, expand temperature controlling range further by controlling the flow of heating agent or coolant.In the present embodiment, stepless temperature control scope can reach-15 degrees Celsius～200 degrees Celsius.In this temperature control system, temperature regulating device 9 is automatically adjusted the valve opening of ratio adjusting valve 6, heating agent adjustment valve 10 and coolant adjustment valve 11 by detecting by the temperature of temperature controlling instruments 100, accurate temperature can be realized control, and the flow of any instant heat transfer medium remains constant.Change by compared with the temperature methods of temperature controlling instruments 100 with traditional flow regulating heat transfer medium by controlling to adjust the aperture of valve or working barrel, the aperture regulating valve or working barrel without applying external resistance to increase or reduce, and owing to the flow of heat transfer medium is constant all the time, pipeline and equipment will not be subject to the impact of mutation pressure, substantially increase the service life of pipeline and equipment.
In the present embodiment, regulate replacing and the maintenance of valve 10 and coolant adjustment valve 11 for ease of heating agent.The two ends at two ends and coolant adjustment valve 11 that heating agent regulates valve 10 are provided with bypass valve 12 respectively.
Owing to heat transfer medium is heating up or temperature-fall period, the volume of heat transfer medium can change.Such as, in temperature-rise period, heat transfer medium volume increases, and accordingly pipeline and being under pressure of equipment also can be increased.For preventing heat transfer medium from temperature changing process, pipeline and equipment are produced excessive compression shock, in the present embodiment, stepless temperature control system also includes the expansion drum 13 being connected with oil return house steward 8.The heat transfer medium amount of the expansion or shrinkage caused because of variations in temperature in expansion drum 13 reception and make-up system, stabilisation systems pressure.And further, expansion drum 13 is additionally provided with the steel Pressure gauge 14 of detection expansion drum 13 pressure, and this steel Pressure gauge 14 is connected with controller 902, once expansion drum 13 pressure exceeds standard, controller 902 can pass through alarm output alarm signal.
For better monitoring the temperature value of heat transfer medium, heat transfer medium first exports 204, heat transfer medium second export 404 and ratio adjusting valve 6 the port of export on be provided with thermometer scale 14.Further, oil return house steward 8 is also equipped with thermometer scale 14.
In the present embodiment, in order to prevent the heat transfer medium in hot heat exchanger 2 and cold conditions heat exchanger 4 from flowing back in circulating pump 1, circulating pump 1 with the connecting line of hot heat exchanger 2 and cold conditions heat exchanger 4 are provided with check-valves 15.
In the present embodiment, for preventing the pump housing of circulating pump 1 from bearing excessive power or moment with pipeline connection, it is arranged at circulating pump 1 and is flexible coupling with pipeline enclosure employing.
In sum, distribute and exported 204 flows exporting the different heat transfer medium of the two-way heat of 404 outputs with heat transfer medium second by heat transfer medium first and reach to control by the temperature value of temperature controlling instruments 100 by controlling ratio adjusting valve 6.Being partial to heat transfer medium first when the valve opening of ratio adjusting valve 6 and export 204, output, to being increased by the heat transfer medium heat of temperature controlling instruments 100, is heated up by temperature controlling instruments 100.Accordingly, being partial to heat transfer medium second when the valve opening of ratio adjusting valve 6 and export 404, the heat transfer medium flow low in calories of output increases, and this heat transfer medium low in calories quickly absorbs by the heat of temperature controlling instruments 100, it is achieved by the cooling of temperature controlling instruments 100.Owing to the valve opening of ratio adjusting valve 6 is continuously adjustabe, it it is therefore all continuously adjustabe by the heating-up temperature of temperature controlling instruments 100 and chilling temperature, it is achieved stepless temperature-regulating.User can reach the temperature of arbitrarily needs by controlling the aperture of ratio adjusting valve 6, and homoiothermic speed is fast, and temperature control is sensitive, moment can change to low temperature from high-temperature machining.
Further, in this stepless temperature control system, only a kind of heat transfer medium in fuel feeding house steward 7 and oil return house steward 8, avoid traditional multiple heat transfer medium and share a pipeline, not only mutually pollute between heat transfer medium, also pipeline and equipment can be caused heavy corrosion and aging problem simultaneously, substantially increase the service life of pipeline and equipment.
Additionally, and owing to the output flow of ratio adjusting valve 6 is constant, therefore in whole control system, the flow of heat transfer medium is constant, the compression shock that in system, each hardware will not be suddenlyd change, it is simple to hardware maintenance.
Although the present invention is disclosed above by preferred embodiment; but it is not limited to the present invention, any know this those skilled in the art, without departing from the spirit and scope of the present invention; can doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on claims scope required for protection.
Claims (8)
1. a stepless temperature control system, it is characterised in that realize by the control of temperature control device temperature by quickly changing the temperature of single heat transfer medium, including:
Circulating pump；
Hot heat exchanger, exports including Heating medium, heating agent outlet, heat transfer medium the first import and heat transfer medium first, and described heat transfer medium the first import is connected with described circulating pump；
Heating agent transfer tube, connects described Heating medium and heating agent outlet；
Cold conditions heat exchanger, exports including coolant import, refrigerant exit, heat transfer medium the second import and heat transfer medium second, and described heat transfer medium the second import is connected with described circulating pump；
Coolant transfer tube, connects described coolant import and refrigerant exit；
Ratio adjusting valve, two entrance points connect described heat transfer medium the first outlet respectively and export with heat transfer medium second, and the port of export connects wherein one end of fuel feeding house steward；
Fuel feeding house steward, the other end connects described by the import of temperature controlling instruments, for described by temperature control device transmission heat transfer medium；
Oil return house steward, connects the described outlet by temperature controlling instruments and described circulating pump；
Temperature regulating device, including detection by the temperature sensor of temperature control device temperature value and controller, described controller is electrically connected described ratio adjusting valve, and described controller controls the valve opening of ratio adjusting valve according to the temperature signal that described temperature sensor collects.
2. the stepless temperature control system according to right 1, it is characterised in that be provided with the heating agent regulating flow rate of heat medium on the heating agent transfer tube being connected with described Heating medium and regulate valve, and described heating agent regulates valve and is electrically connected described controller.
3. the stepless temperature control system according to right 1 or 2, it is characterised in that be provided with the coolant regulating cold medium flux on the coolant transfer tube being connected with described coolant import and regulate valve, and described coolant regulates valve and is electrically connected described controller.
4. stepless temperature control system according to claim 3, it is characterised in that the two ends at two ends and coolant adjustment valve that described heating agent regulates valve are provided with bypass valve respectively.
5. the stepless temperature control system according to right 1, it is characterised in that described stepless temperature control system also includes expansion drum, and described expansion drum is connected with described oil return house steward.
6. the stepless temperature control system according to right 5, it is characterised in that be provided with steel Pressure gauge on described expansion drum.
7. the stepless temperature control system according to right 1, it is characterised in that described heat transfer medium first exports, heat transfer medium second exports and is provided with thermometer scale on the port of export of ratio adjusting valve.
8. the stepless temperature control system according to right 1, it is characterised in that be provided with check-valves on described circulating pump and the connecting line of hot heat exchanger and cold conditions heat exchanger.
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| CN201410410223.5A CN104199479B (en) | 2014-08-20 | 2014-08-20 | Stepless temperature control system |
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| CN201410410223.5A CN104199479B (en) | 2014-08-20 | 2014-08-20 | Stepless temperature control system |
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| CN104199479A CN104199479A (en) | 2014-12-10 |
| CN104199479B true CN104199479B (en) | 2016-06-29 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106020268B (en) * | 2016-06-30 | 2018-12-04 | 苏州奥德机械有限公司 | The quick-cooling and quick-warming being precisely controlled safely automatically switches temperature control system |
| CN107513497A (en) * | 2017-10-10 | 2017-12-26 | 杭州同孚环保科技有限公司 | A kind of bionical reactor temperature control system of multisection type |
| CN107949078B (en) * | 2018-01-09 | 2024-05-14 | 广东环葆嘉节能科技有限公司 | Moving medium double-heating control device |
| CN108334123B (en) * | 2018-02-07 | 2020-11-17 | 北京金风科创风电设备有限公司 | Temperature control system for converter of wind generating set and control method thereof |
| CN109814632B (en) * | 2018-12-21 | 2020-12-08 | 天津大学仁爱学院 | Accurate control device and method for liquid drop temperature |
| CN109557963A (en) * | 2018-12-25 | 2019-04-02 | 苏州奥德机械有限公司 | A kind of industry simulation test control system that can be precisely controlled flow and temperature |
| CN109764548B (en) * | 2019-01-09 | 2021-07-23 | 重庆海尔空调器有限公司 | Energy system, method and apparatus for controlling energy system, and storage medium |
| CN112781430B (en) * | 2020-12-31 | 2022-11-15 | 中国石油集团工程股份有限公司 | Method for controlling heat exchanger, storage medium and electronic device |
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| CN104199479A (en) | 2014-12-10 |
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