CN104199479A - Stepless temperature control system - Google Patents
Stepless temperature control system Download PDFInfo
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- CN104199479A CN104199479A CN201410410223.5A CN201410410223A CN104199479A CN 104199479 A CN104199479 A CN 104199479A CN 201410410223 A CN201410410223 A CN 201410410223A CN 104199479 A CN104199479 A CN 104199479A
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- 238000012546 transfer Methods 0.000 claims abstract description 132
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 239000003507 refrigerant Substances 0.000 claims abstract description 46
- 230000001276 controlling effect Effects 0.000 claims description 46
- 239000003795 chemical substances by application Substances 0.000 claims description 44
- 230000008676 import Effects 0.000 claims description 35
- 239000000446 fuel Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 8
- 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
- 238000001816 cooling Methods 0.000 description 4
- 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
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 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
- 230000008602 contraction Effects 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
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a stepless temperature control system. The stepless temperature control system comprises a circulating pump, a thermal state heat exchanger, a heating medium delivering tube, a cold state heat exchanger, a refrigerant delivering tube, a proportioning valve, an oil supply main tube, an oil return main tube and a temperature controlling device. The thermal state heat exchanger comprises a heating medium inlet, a heating medium outlet, a heat-transfer medium first inlet and a heat-transfer medium first outlet, and the heat-transfer medium first inlet is connected with the circulating pump. The cold state heat exchanger comprises a refrigerant inlet, a refrigerant outlet, a heat-transfer medium second inlet and a heat-transfer medium second outlet, and the heat-transfer medium second inlet is connected with the circulating pump. Two inlet ends of the proportioning valve are connected with the heat-transfer medium first outlet and the heat-transfer medium second outlet respectively, and an outlet end of the proportioning valve is connected with one end of the oil supply main tube. The other end of the oil supply main tube is connected with an inlet of a temperature controlled device. The oil return main tube is connected with an outlet of the temperature controlled device and the circulating pump. The temperature controlling device controls the valve opening degree of the proportioning valve according to the temperature of the temperature controlled device.
Description
Technical field
The present invention relates to temperature control technology field, and be particularly related to a kind of stepless temperature control system.
Background technology
In the mankind's living environment, temperature is being played the part of extremely important role.Temperature is as an important physical quantity, is one of the most general in industrial processes, most important technological parameter.Along with industrial development, temperature control precision requires more and more stricter, and required temperature controlling range is also more and more extensive.
In existing temperature control system, generally adopt several fixing heat transfer mediums.For example, heat transfer temperature is that the chilled brine of-10 degrees Celsius, chilled water that heat transfer temperature is 30 degrees Celsius and heat transfer temperature are the steam of 159 degrees Celsius.The temperature of heat transfer substance can only be in specific several fixed values, and temperature washability is poor, and temperature controlling range is narrow.
In addition,, in commercial production, the different stages of reaction is by the needed temperature difference of temperature controlling instruments.In existing temperature control system, in order to realize the demand of different temperatures, in same pipeline or equipment, be used alternatingly different heat transfer mediums.Between different heat transfer mediums, not only can produce mutual pollution, simultaneously for pipeline and equipment, be used alternatingly different heat transfer mediums and also can accelerate the corrosion of pipeline and equipment and aging speed, thereby greatly reduce the serviceable life of temperature control system.
And further,, in existing temperature control system, the speed of intensification and cooling is to control by the flow of the heat transfer medium of pipeline or 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 serviceable life of pipeline or equipment.
Summary of the invention
The present invention, in order to overcome the deficiencies in the prior art, provides 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 invention provides a kind of stepless temperature control system, comprise ebullator, hot heat interchanger, heating agent transfer tube, cold conditions heat interchanger, refrigerant transfer tube, ratio adjusting valve, fuel feeding house steward, oil return house steward and temperature regulating device.Hot heat interchanger comprises that heating agent import, heating agent outlet, heat transfer medium the first import and heat transfer medium first export, and heat transfer medium the first import is connected with ebullator.Heating agent transfer tube connects heating agent import and heating agent outlet.Cold conditions heat interchanger comprises that refrigerant import, refrigerant exit, heat transfer medium the second import and heat transfer medium second export, and heat transfer medium the second import is connected with ebullator.Refrigerant transfer tube connects refrigerant import and refrigerant exit.Two entrance points of ratio adjusting valve connect respectively heat transfer medium the first outlet and heat transfer medium second exports, and endpiece connects wherein one end of fuel feeding house steward.The fuel feeding house steward 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 ebullator.Temperature regulating device comprises that detection is by temperature sensor and the controller of temperature control device temperature value, and controller is electrically connected ratio adjusting valve, and the temperature signal that controller collects according to temperature sensor carrys out the valve opening of control ratio variable valve.
In one embodiment of the invention, on the heating agent transfer tube being connected with heating agent import, be provided with the heating agent variable valve that regulates flow rate of heat medium, and heating agent variable valve is electrically connected controller.
In one embodiment of the invention, on the refrigerant transfer tube being connected with refrigerant import, be provided with the refrigerant variable valve that regulates cold medium flux, and refrigerant variable valve is electrically connected controller.
In one embodiment of the invention, the two ends of the two ends of heating agent variable valve and refrigerant variable valve are provided with by-pass valve respectively.
In one embodiment of the invention, stepless temperature control system also comprises expansion drum, and expansion drum is connected with oil return house steward.
In one embodiment of the invention, on expansion drum, be provided with steel tensimeter.
In one embodiment of the invention, heat transfer medium first exports, heat transfer medium second exports and the endpiece of ratio adjusting valve on be provided with thermometer scale.
In one embodiment of the invention, on the connecting line of ebullator and hot heat interchanger and cold conditions heat interchanger, be provided with non-return valve.
In sum, stepless temperature control system provided by the invention, compared with existing temperature control system, has the following advantages:
Distribute and export by heat transfer medium first flow that exports the different heat transfer medium of the two-way heat of output with heat transfer medium second and reach and control by the temperature value of temperature controlling instruments by control ratio variable valve.When the valve opening deflection heat transfer medium first of ratio adjusting valve exports, export to by the heat transfer medium heat of temperature controlling instruments and increase, heated up by temperature controlling instruments.Accordingly, when the valve opening deflection heat transfer medium second of ratio adjusting valve exports, the heat transfer medium flow low in calories of output increases, and this heat transfer medium low in calories absorbs fast by the heat of temperature controlling instruments, and realization is cooling by temperature controlling instruments.Because the valve opening of ratio adjusting valve is continuously adjustable, be therefore all continuously adjustable by the heating-up temperature of temperature controlling instruments and chilling temperature, realize stepless temperature-regulating.User can reach by the aperture of control ratio variable valve the temperature of any needs, and temperature adjustment speed is fast, and temperature control is sensitive, can moment change to low temperature from high-temperature machining.
Further, in this stepless temperature control system, in fuel feeding house steward and oil return house steward, only has a kind of heat transfer medium, avoid traditional many heat transfer mediums to share a pipeline, not only between heat transfer medium, mutually pollute, also can cause heavy corrosion and aging problem, the serviceable life of greatly having improved pipeline and equipment to pipeline and equipment simultaneously.
In addition, and because the delivery rate of ratio adjusting valve is constant, therefore in whole control system, the flow of heat transfer medium is constant, and the compression shock that in system, each hardware can not be suddenlyd change, is convenient 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, be described in detail below.
Brief description of the drawings
Figure 1 shows that the structural representation of the stepless temperature control system that one embodiment of the invention provides.
Embodiment
As shown in Figure 1, the stepless temperature control system that the present embodiment provides comprises ebullator 1, hot heat interchanger 2, heating agent transfer tube 3, cold conditions heat interchanger 4, refrigerant transfer tube 5, ratio adjusting valve 6, fuel feeding house steward 7, oil return house steward 8 and temperature regulating device 9.Hot heat interchanger 2 comprises that heating agent import 201, heating agent outlet 202, heat transfer medium the first import 203 and heat transfer medium first export 204, and heat transfer medium the first import 203 is connected with ebullator 1.Heating agent transfer tube 3 connects heating agent import 201 and heating agent outlet 202.Cold conditions heat interchanger 4 comprises that refrigerant import 401, refrigerant exit 402, heat transfer medium the second import 403 and heat transfer medium second export 404.Heat transfer medium the second import 403 is connected with ebullator 1.Refrigerant transfer tube 5 connects refrigerant 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, endpiece connects wherein one end of fuel feeding house steward 7.Fuel feeding house steward 7 other ends connect 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 ebullator 1.Temperature regulating device 9 comprises that detection is by the temperature sensor 901 of temperature control device temperature value and controller 902.Controller 902 is electrically connected ratio adjusting valve 6, and the temperature signal that controller 902 collects according to temperature sensor 901 carrys out the valve opening of control ratio variable valve 6.
Concrete principle of work: when needs are when being heated by temperature controlling instruments 100, heating agent enters hot heat interchanger 2 through heating agent transfer tube 3.Meanwhile, ebullator 1 inputs to heat transfer medium respectively in hot heat interchanger 2 and cold conditions heat interchanger 4 through heat transfer medium the first import 203 and heat transfer medium the second import 403.Heating agent heats heat transfer medium.And for energy-conservation, the now interior obstructed refrigerant of refrigerant transfer tube 5, allows by the temperature remains within the normal range the state of the transmission medium in cold conditions heat interchanger 4.Regulate the valve opening of ratio adjusting valve 6, make the valve deflection heat transfer medium first of ratio adjusting valve 6 export 204, make the flow of the heat transfer medium after heating be greater than the flow of the heat transfer medium under normal temperature state.Heat transfer medium after heating flows into by temperature controlling instruments 100 through fuel feeding house steward 7.Transfer heat to by after temperature controlling instruments 100, heat transfer medium again flows in hot heat interchanger 2 and cold conditions heat interchanger 4 through oil return house steward 8 under the effect of ebullator 1.
Be partial to gradually heat transfer medium first and export 204 along with the valve of ratio adjusting valve 6, the heat of the heat transfer medium that ratio adjusting valve 6 is exported is higher, heated up faster, and after heating, the temperature value of gained is also higher by temperature controlling instruments 100.Because ratio adjusting valve 6 is continuously adjustable, therefore this temperature control system can realize continuous adjusting by the temperature of temperature controlling instruments 100, realizes stepless temperature-regulating.
Identical, in the time need to being lowered the temperature by temperature controlling instruments, in heating agent transfer tube 3, stop carrying heating agent, and the interior input refrigerant of refrigerant transfer tube 5, it is cooling that refrigerant carries out the heat transfer medium by cold conditions heat interchanger 4, reduces the heat of heat transfer medium.According to by the required chilling temperature value of temperature controlling instruments 100, regulate the aperture of the valve of ratio adjusting valve 6, increase the flow of cooled heat transfer medium.The chilling temperature value required by temperature controlling instruments 100 is lower, and the flow of the cooled heat transfer medium that ratio adjusting valve 6 is exported is larger.But because the delivery rate of ratio adjusting valve 6 is constant, large although the flow of cooled heat transfer medium becomes, in system, total flow value at any time all keeps constant.
And due in this stepless temperature control system, heat transfer medium only has one, and the temperature of heat transfer medium only need can realize by the aperture of control ratio variable valve 6.User changes the heat transfer medium with different temperatures without a large amount of time of cost, and not only temperature control is sensitive, can moment be changed to low temperature from high-temperature machining by temperature controlling instruments 100, and easy to operate, rapid.
Because the control of temperature has hysteresis quality, in the present embodiment, by temperature sensor 901 Real-time Collections in temperature regulating device 9 by the temperature signal of temperature controlling instruments.Controller 902 regulates the valve opening of ratio adjusting valve 6 automatically according to this temperature signal.For example, in the time being differed greatly by the temperature of temperature controlling instruments 100 and target temperature, controller 902 control ratio variable valve 6, make valve opening almost all be partial to hot heat interchanger 2 or cold conditions heat interchanger 4.And when being differed by the temperature of temperature controlling instruments 100 and target temperature hour, the valve of ratio adjusting valve 6 is offset toward middle gradually.According to the aperture that is automatically regulated ratio adjusting valve 6 by the different temperatures of temperature controlling instruments 100, temperature degree of regulation is high, and accuracy of temperature control can reach ± and 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 the present invention is not limited in any way this.
In different application scenarios, by the required temperature difference of temperature controlling instruments 100, some is needed very high heating-up temperature and/or very low chilling temperature by temperature controlling instruments 100.In the present embodiment, in order further to meet the demand of this kind equipment, on the heating agent transfer tube 3 being connected with heating agent import 201, be provided with the heating agent variable valve 10 that regulates flow rate of heat medium, and heating agent variable valve 10 is electrically connected controller 902.Accordingly, on the refrigerant transfer tube 5 being connected with refrigerant import 402, be provided with the refrigerant variable valve 11 that regulates cold medium flux, and refrigerant variable valve 11 is electrically connected controller 902.
Heating agent variable valve 10 is adjustable by the flow rate of heat medium of heating agent transfer tube 3.Flow rate of heat medium increases, and the contained heat of heating agent also increases, and the heat that passes to accordingly heat transfer medium is also higher, and heat transfer medium exports to by the heat of temperature controlling instruments 100 also higher, and faster by temperature controlling instruments 100 programming rates, intensification temperature value is higher.
Identical, by regulating refrigerant variable valve 11, the flow that increases refrigerant further reduces the heat of heat transfer medium.The heat of heat transfer medium is lower, and it is with larger by the exchange heat of temperature controlling instruments 100, and exchange velocity is also faster.
By heating agent variable valve 10 and refrigerant variable valve 11 are set, further expand temperature controlling range by the flow of controlling heating agent or refrigerant.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 by detecting the valve opening that is automatically regulated ratio adjusting valve 6, heating agent variable valve 10 and refrigerant variable valve 11 by the temperature of temperature controlling instruments 100, can realize accurate temperature control, and the flow of arbitrary moment heat transfer medium remains constant.Regulate the flow of heat transfer medium to change by compared with the temperature methods of temperature controlling instruments 100 with traditional aperture of passing through regulating and controlling valve or working barrel, without the aperture that applies external resistance and increase or reduce variable valve or working barrel, and because the flow of heat transfer medium is constant all the time, pipeline and equipment can not be subject to the impact of mutation pressure, the serviceable life of greatly having improved pipeline and equipment.
In the present embodiment, for ease of replacing and the maintenance of heating agent variable valve 10 and refrigerant variable valve 11.The two ends of the two ends of heating agent variable valve 10 and refrigerant variable valve 11 are provided with by-pass valve 12 respectively.
Because heat transfer medium is heating up or temperature-fall period, the volume of heat transfer medium can change.For example, in temperature-rise period, heat transfer medium volume increases, and also can increase accordingly to being under pressure of pipeline and equipment.For preventing that heat transfer medium from producing excessive compression shock to pipeline and equipment in temperature changing process, in the present embodiment, stepless temperature control system also comprises the expansion drum 13 being connected with oil return house steward 8.The expansion causing because of temperature variation in expansion drum 13 receptions and make-up system or the heat transfer medium amount of contraction, systems stabilisation pressure.And further, be also provided with the steel tensimeter 14 that detects expansion drum 13 pressure on expansion drum 13, and this steel tensimeter 14 is connected with controller 902, once expansion drum 13 pressure exceed standard, controller 902 can pass through alarm output alarm signal.
For the better temperature value of monitoring heat transfer medium, heat transfer medium first exports 204, heat transfer medium second export 404 and the endpiece of ratio adjusting valve 6 on be provided with thermometer scale 14.Further, on oil return house steward 8, be also provided with thermometer scale 14.
In the present embodiment, in order to prevent that the heat transfer medium in hot heat interchanger 2 and cold conditions heat interchanger 4 from flowing backwards back in ebullator 1, on the connecting line of ebullator 1 and hot heat interchanger 2 and cold conditions heat interchanger 4, be provided with non-return valve 15.
In the present embodiment, for the pump housing that prevents ebullator 1 is bearing excessive power or moment with pipeline connection, be arranged at ebullator 1 and adopt and be flexible coupling with pipeline enclosure.
In sum, distribute and export 204 flows that export 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 and control by the temperature value of temperature controlling instruments 100 by control ratio variable valve 6.When the valve opening deflection heat transfer medium first of ratio adjusting valve 6 exports 204, export to by the heat transfer medium heat of temperature controlling instruments 100 and increase, heated up by temperature controlling instruments 100.Accordingly, when the valve opening deflection heat transfer medium second of ratio adjusting valve 6 exports 404, the heat transfer medium flow low in calories of output increases, and this heat transfer medium low in calories absorbs fast by the heat of temperature controlling instruments 100, and realization is cooling by temperature controlling instruments 100.Because the valve opening of ratio adjusting valve 6 is continuously adjustable, be therefore all continuously adjustable by the heating-up temperature of temperature controlling instruments 100 and chilling temperature, realize stepless temperature-regulating.User can reach by the aperture of control ratio variable valve 6 temperature of any needs, and temperature adjustment speed is fast, and temperature control is sensitive, can moment change to low temperature from high-temperature machining.
Further, in this stepless temperature control system, in fuel feeding house steward 7 and oil return house steward 8, only has a kind of heat transfer medium, avoid traditional multiple heat transfer medium to share a pipeline, not only between heat transfer medium, mutually pollute, also can cause heavy corrosion and aging problem, the serviceable life of greatly having improved pipeline and equipment to pipeline and equipment simultaneously.
In addition, and because the delivery rate of ratio adjusting valve 6 is constant, therefore in whole control system, the flow of heat transfer medium is constant, and the compression shock that in system, each hardware can not be suddenlyd change, is convenient to hardware maintenance.
Although the present invention is disclosed as above by preferred embodiment; but not in order to limit the present invention, anyly know this skill person, without departing from the spirit and scope of the present invention; can do 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, is characterized in that, realizes by the control of temperature control device temperature by the temperature of the single heat transfer medium of quick change, comprising:
Ebullator;
Hot heat interchanger, comprises that heating agent import, heating agent outlet, heat transfer medium the first import and heat transfer medium first export, and described heat transfer medium the first import is connected with described ebullator;
Heating agent transfer tube, connects described heating agent import and heating agent outlet;
Cold conditions heat interchanger, comprises that refrigerant import, refrigerant exit, heat transfer medium the second import and heat transfer medium second export, and described heat transfer medium the second import is connected with described ebullator;
Refrigerant transfer tube, connects described refrigerant import and refrigerant exit;
Ratio adjusting valve, two entrance points connect respectively described heat transfer medium the first outlet and heat transfer medium second exports, wherein one end of endpiece connection fuel feeding house steward;
Fuel feeding house steward, the other end connect described by the import of temperature controlling instruments, for described by temperature control device transmission heat transfer medium;
Oil return house steward, connects described by the outlet of temperature controlling instruments and described ebullator;
Temperature regulating device, comprise and detecting by temperature sensor and the controller of temperature control device temperature value, described controller is electrically connected described ratio adjusting valve, and the temperature signal that described controller collects according to described temperature sensor carrys out the valve opening of control ratio variable valve.
2. according to the stepless temperature control system described in right 1, it is characterized in that, on the heating agent transfer tube being connected with described heating agent import, be provided with the heating agent variable valve that regulates flow rate of heat medium, and described heating agent variable valve is electrically connected described controller.
3. according to the stepless temperature control system described in right 1 or 2, it is characterized in that, on the refrigerant transfer tube being connected with described refrigerant import, be provided with the refrigerant variable valve that regulates cold medium flux, and described refrigerant variable valve is electrically connected described controller.
4. stepless temperature control system according to claim 3, is characterized in that, the two ends of the two ends of described heating agent variable valve and refrigerant variable valve are provided with by-pass valve respectively.
5. according to the stepless temperature control system described in right 1, it is characterized in that, described stepless temperature control system also comprises expansion drum, and described expansion drum is connected with described oil return house steward.
6. according to the stepless temperature control system described in right 5, it is characterized in that, on described expansion drum, be provided with steel tensimeter.
7. according to the stepless temperature control system described in right 1, it is characterized in that, described heat transfer medium first exports, heat transfer medium second exports and the endpiece of ratio adjusting valve on be provided with thermometer scale.
8. according to the stepless temperature control system described in right 1, it is characterized in that, on the connecting line of described ebullator and hot heat interchanger and cold conditions heat interchanger, be provided with non-return valve.
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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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| CN104199479B CN104199479B (en) | 2016-06-29 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106020268A (en) * | 2016-06-30 | 2016-10-12 | 苏州奥德机械有限公司 | Quick-cooling quick-heating automatic switching temperature control system with characteristic of secure and precise control |
| 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 |
| CN107949078A (en) * | 2018-01-09 | 2018-04-20 | 广东环葆嘉节能科技有限公司 | The double heating control apparatus of move media |
| CN108334123A (en) * | 2018-02-07 | 2018-07-27 | 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 |
| 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 |
| CN109764548A (en) * | 2019-01-09 | 2019-05-17 | 青岛海尔空调器有限总公司 | Energy resource system, the control method and device of energy resource system, storage medium |
| CN109814632A (en) * | 2018-12-21 | 2019-05-28 | 天津大学仁爱学院 | A kind of precise control device and method of drop temperature |
| CN112781430A (en) * | 2020-12-31 | 2021-05-11 | 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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| 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 |
| CN109814632A (en) * | 2018-12-21 | 2019-05-28 | 天津大学仁爱学院 | A kind of precise control device and method of drop temperature |
| 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 |
| CN109764548A (en) * | 2019-01-09 | 2019-05-17 | 青岛海尔空调器有限总公司 | Energy resource system, the control method and device of energy resource system, storage medium |
| 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 |
| CN112781430A (en) * | 2020-12-31 | 2021-05-11 | 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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