CN105135772A - Water cooling device and control method for preventing cold water from freezing - Google Patents
Water cooling device and control method for preventing cold water from freezing Download PDFInfo
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- CN105135772A CN105135772A CN201510477640.6A CN201510477640A CN105135772A CN 105135772 A CN105135772 A CN 105135772A CN 201510477640 A CN201510477640 A CN 201510477640A CN 105135772 A CN105135772 A CN 105135772A
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Abstract
The invention discloses a water cooling device and a control method for preventing cold water from freezing. The water cooling device comprises a water pump and a water outlet pipe with a water outlet; the water outlet pipe is cooled through a cooling cycle system; the cooling cycle system comprises a compressor, a condenser, an evaporator and a reservoir; the compressor is provided with an exhaust port and a return air inlet; one end of the condenser is connected with the exhaust port; one end of the evaporator is connected with the return air inlet; a throttling component is connected between the other end of the condenser and the other end of the evaporator in series; a solenoid valve is arranged between the other end of the evaporator and the exhaust port. According to the control method for preventing cold water from freezing in the water cooling device, cold water can be effectively prevented from freezing by detecting the water pressure and water temperature of the water outlet pipe to control turn-on or turn-off of the solenoid valve; meanwhile, starting or halting of the compressor can be controlled accurately, unnecessary starting or halting of the compressor is avoided, and therefore the cooling effect of the compressor can be ensured and the service life of the compressor is prolonged.
Description
Technical field
The present invention relates to refrigeration technology field, the control method particularly relating to a kind of water refrigerating plant and prevent cold water from freezing.
Background technology
At present, usually adopt sleeve pipe or single tube to make evaporimeter, like this, in the process producing cold water, may occur the situation that partial water is frozen in water refrigerating plant, the difficulty that causes discharging water maybe cannot discharge water.In prior art; adopt and control compressor shutdown by detecting cold water temperature; prevent the too low cold water that causes of water temperature from freezing; but user uses the frequency of cold water and each cool water quantity used to be uncertain; thus cause cold water temperature instability very; time height time low, such compressor likely can constantly be started shooting shutdown, and then causes compressor output to decline and infringement compressor.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the present invention proposes in a kind of water refrigerating plant the control method preventing cold water from freezing, this control method can effectively prevent cold water from freezing, and reduces compressor infringement simultaneously.
In addition the invention allows for a kind of water refrigerating plant.
According to the control method preventing cold water from freezing in a kind of water refrigerating plant of the embodiment of the present invention, described water refrigerating plant comprises: water pump and the outlet pipe with delivery port, described water pipe is freezed by cooling cycle system, described cooling cycle system comprises compressor, condenser, evaporimeter and reservoir, described compressor has exhaust outlet and gas returning port, one end of described condenser is connected with described exhaust outlet, one end of described evaporimeter is connected with described gas returning port, restricting element is in series with between the other end of described condenser and the other end of described evaporimeter, between the other end of described evaporimeter and described exhaust outlet, there is magnetic valve,
Described control method comprises the following steps:
S1, open delivery port to make starting mode of pump;
S2, detect water inner pipe water pressure P, and compare with preset pressure P1;
During the hydraulic pressure P≤P1 detected in S3, step S2, close described magnetic valve;
During the hydraulic pressure P > P1 detected in S4, step S2, detect water temperature T in water pipe, and water temperature T is compared with default minimum temperature threshold T1 and default maximum temperature threshold value T2;
S5, when the water temperature T detected in step S4 is greater than T2, opens solenoid valve, and go to step S8;
S6, when the water temperature T detected in step S4 is less than T1, judges that described compressor is as stopped status, open described compressor and open described magnetic valve, and going to step S8;
S7, as the water temperature T 1≤T≤T2 detected in step S4, judge that described compressor is as open state or stopped status, when described compressor is open state, opens described magnetic valve; When described compressor is stopped status, opens compressor and open described magnetic valve, and going to step S8;
S8, open described magnetic valve time t after close, continue to detect water inner pipe water pressure P, and compare with preset pressure P1;
During the hydraulic pressure P≤P1 detected in S9, step S8, close described magnetic valve;
During the hydraulic pressure P > P1 detected in S10, step S8, get back to step S8.
According to the control method preventing cold water from freezing in the water refrigerating plant of the embodiment of the present invention; open by the hydraulic pressure and water temperature Controlling solenoid valve that detect water pipe or close; can effectively prevent cold water from freezing; and accurately can control unlatching or the shutdown of compressor; avoid start or the shutdown of unnecessary compressor; thus can compressor be protected, ensure the refrigeration of compressor, extend the service life of compressor.
According to some embodiments of the present invention, the time t in described step S8 is more than or equal to 1 second.
According to some embodiments of the present invention, described hydraulic pressure is detected by pressure sensor, and described water temperature is detected by temperature sensor, and described pressure sensor and described temperature sensor detect water temperature and the hydraulic pressure of one end of contiguous described water pump in described outlet pipe.
According to some embodiments of the present invention, described cooling cycle system also comprises: check valve, described check valve is connected on the pipeline between the other end of described evaporimeter and described restricting element, and between the connection intersection point and described restricting element of described magnetic valve and described pipeline to prevent described magnetic valve from opening time coolant backflow get back to restricting element.
According to some embodiments of the present invention, described restricting element is expansion valve.
In addition, the invention allows for a kind of water refrigerating plant, adopt the above-mentioned control method preventing cold water from freezing according to the water refrigerating plant of the embodiment of the present invention.By adopting the above-mentioned control method preventing cold water from freezing,
Alternatively, described water refrigerating plant is cooling-water machine.
Alternatively, described water refrigerating plant is evaporator defrost device.
Alternatively, described water refrigerating plant is ice making deicing apparatus.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of cooling cycle system in the water refrigerating plant according to the embodiment of the present invention;
Fig. 2 is the part-structure schematic diagram of the water refrigerating plant according to the embodiment of the present invention;
Fig. 3 is the flow chart of the control method preventing cold water from freezing in the water refrigerating plant according to the embodiment of the present invention.
Reference numeral:
1: water pump;
2: outlet pipe, 21: delivery port;
3: cooling cycle system, 31: compressor, 311: exhaust outlet, 312: gas returning port, 32: condenser, 33: restricting element, 34: check valve, 35: evaporimeter, 36: reservoir, 37: magnetic valve, 38: connect intersection point, 39: ice cube;
4: temperature sensor;
5: pressure sensor.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " length ", " width ", " on ", D score, "front", "rear", "left", "right", " top ", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Fig. 3, the control method according to preventing cold water from freezing in the water refrigerating plant of the embodiment of the present invention is described.
As Figure 1-Figure 2, according to the control method preventing cold water from freezing in the water refrigerating plant of the embodiment of the present invention, water refrigerating plant can comprise water pump 1, outlet pipe 2 and cooling cycle system 3.
As shown in Figure 2, water pump 1 is connected with outlet pipe 2, and outlet pipe 2 has delivery port 21, and cooling cycle system 3 can freeze to the water in outlet pipe 2, and the cold water of outlet pipe 2 can flow out from delivery port 21 and use for user.
As shown in Figure 1, cooling cycle system 3 can comprise: compressor 31, condenser 32, evaporimeter 35 and reservoir 36.Compressor 31 has exhaust outlet 311 and gas returning port 312, one end (left end of condenser 32 as shown in Figure 1) of condenser 32 is connected with exhaust outlet 311, one end (left end of evaporimeter 35 as shown in Figure 1) of evaporimeter 35 is connected with gas returning port 312, restricting element 33 is in series with between the other end (right-hand member of condenser 32 as shown in Figure 1) of condenser 32 and the other end (right-hand member of evaporimeter 35 as shown in Figure 1) of evaporimeter 35, between the other end (right-hand member of evaporimeter 35 as shown in Figure 1) of evaporimeter 35 and exhaust outlet 311, there is magnetic valve 37.
Like this, refrigerant becomes high pressure gaseous refrigerant after compressor 31 compresses, high pressure gaseous refrigerant flows to condenser 32 from exhaust outlet 311, and in condenser 32, with the external world, heat exchange distribute heat occurs and liquefy to become liquid refrigerants, liquid refrigerants flows to restricting element 33 from condenser 32, evaporimeter 35 is flowed to after restricting element 33 reducing pressure by regulating flow, liquid refrigerants evaporates the heat absorbing outlet pipe 2 in evaporimeter 35, thus the temperature of water in outlet pipe 2 can be reduced, to reach the object preparing cold water.As shown in Figure 2, refrigerant in evaporimeter 35 can flow to reservoir 36, reservoir 36 can carry out gas-liquid separation to the refrigerant that evaporimeter 35 flows out, liquid refrigerants can be stored in reservoir 36, thus liquid refrigerants can be avoided to flow to compressor 31, cause compressor 31 liquid hit phenomenon occurs and damages compressor 31, gaseous coolant can flow to the gas returning port 312 of compressor 31 from reservoir 36, thus makes refrigerant reusable edible.
As shown in Figure 1, one end of magnetic valve 37 is connected with compressor 31, the other end is connected with the right-hand member of evaporimeter 35, when magnetic valve 37 is opened, the refrigerant of the HTHP of exhaust outlet 311 discharge of compressor 31 can be passed through magnetic valve 37 and directly flows to evaporimeter 35, thus can improve the temperature of evaporimeter 35, and heat can be passed to outlet pipe 2 by evaporimeter 35, improve the temperature of outlet pipe 2, effectively prevent outlet pipe 2 from freezing.
Shown in composition graphs 1-Fig. 3, the control method according to preventing cold water from freezing in the water refrigerating plant of the embodiment of the present invention can comprise the following steps:
First, open delivery port 21 and start to make water pump 1, detect the hydraulic pressure P in water pipe 2, and P and preset pressure P1 are continued to compare, as the hydraulic pressure P≤P1 detected, represent that cold water can circulate in outlet pipe 2, now magnetic valve 37 cuts out; As the hydraulic pressure P > P1 detected, now, because temperature is too low and icing in outlet pipe 2, cause water can not circulate in outlet pipe 2, need to remove the ice cube 39 in outlet pipe 2, ensure that outlet pipe 2 normally circulates.
Then need to detect water temperature T in water pipe, and water temperature T is compared with default minimum temperature threshold T1 and default maximum temperature threshold value T2, when the water temperature T detected is greater than T2, opens solenoid valve 37, now compressor 31 is in opening, compressor 31 high-temperature gas can be passed through magnetic valve 37 and directly flows to evaporimeter 35, thus, the temperature of outlet pipe 2 can be improved, and then melt the ice cube 39 in outlet pipe 2, cold water normally can be circulated in outlet pipe 2, thus can effectively prevent outlet pipe 2 from freezing.
Close after magnetic valve 37 opening time t, and continue to detect hydraulic pressure P in water pipe 2, compare with preset pressure P1, when the hydraulic pressure P > P1 detected, opens solenoid valve 37, and repeat above-mentioned steps opens solenoid valve 37, when the hydraulic pressure P≤P1 detected, outlet pipe 2 normally circulates, shut electromagnetic valve 37.Alternatively, magnetic valve 37 opening time t closed after second, and time t can be more than or equal to 1 second, and wherein time t can set according to actual conditions.
When the water temperature T detected is less than T1; compressor 31 does not need to freeze; judge that compressor 31 is as stopped status; now can open compressor 31 and opens solenoid valve 37; rear generation high pressure gaseous refrigerant opened by compressor 31, and high pressure gaseous refrigerant flows to evaporimeter 35 through magnetic valve 37, thus can improve the temperature of outlet pipe 2; and then the ice cube 39 melted in outlet pipe 2, cold water normally can be circulated in outlet pipe 2.Close after magnetic valve 37 opening time t, continue to detect hydraulic pressure P in water pipe 2, and compare with preset pressure P1, when the hydraulic pressure P > P1 detected, opens solenoid valve 37, and repeat above-mentioned steps, until detect hydraulic pressure P≤P1 time, outlet pipe 2 normally circulates, shut electromagnetic valve 37.
As the water temperature T 1≤T≤T2 detected, first need to judge that compressor 31 is as open state or stopped status, when compressor 31 is open state, opens solenoid valve 37; When compressor 31 is stopped status, open compressor 31 and opens solenoid valve 37.Close after magnetic valve 37 opening time t, continue to detect hydraulic pressure P in water pipe 2, and compare with preset pressure P1, when the hydraulic pressure P > P1 detected, opens solenoid valve 37, and repeat above-mentioned steps, until detect hydraulic pressure P≤P1 time, outlet pipe 2 normally circulates, shut electromagnetic valve 37.
After shut electromagnetic valve 37, when user normally fetches water, can constantly or interval detect hydraulic pressure P, the hydraulic pressure P of detection and preset pressure P1 is compared, and repeats above step, prevent outlet pipe 2 icing.
According to the control method preventing cold water from freezing in the water refrigerating plant of the embodiment of the present invention, by judging water pipe 2 hydraulic pressure, can judge whether water pipe 2 normally circulates, when outlet pipe 2 hydraulic pressure is greater than predetermined preset pressure, indicate and freeze in water pipe 2 and block, now magnetic valve 37 is opened, the interior high pressure gaseous refrigerant of compressor 31 directly flows to evaporimeter 35, thus the temperature of outlet pipe 2 can be improved, melt ice cube 39, outlet pipe 2 is normally circulated, until detect that water pipe 2 hydraulic pressure is less than or equal to predetermined preset pressure, shut electromagnetic valve 37.Unlatching or the shutdown of compressor 31 can be judged according to water temperature simultaneously; like this; by unlatching or the closedown of the hydraulic pressure and water temperature Controlling solenoid valve 37 that detect water pipe 2; can effectively prevent cold water from freezing; and accurately can control unlatching or the shutdown of compressor 31, avoid start or the shutdown of unnecessary compressor 31, thus compressor 31 can be protected; ensure the refrigeration of compressor 31, extend the service life of compressor 31.
Alternatively, hydraulic pressure P can be detected by pressure sensor 5, and water temperature T can be detected by temperature sensor 4, and pressure sensor 5 and temperature sensor 4 detect water temperature and the hydraulic pressure of one end of contiguous water pump 1 in water pipe 2.As shown in Figure 1, pressure sensor 5 and temperature sensor 4 are located at the one end being adjacent to water pump 1 in outlet pipe 2, thus, when freezing in outlet pipe 2, can ensure that hydraulic pressure that pressure sensor 5 detects is water temperature and the hydraulic pressure of outlet pipe 2 between water pump 1 and ice cube 39 all the time, thus the accuracy detecting hydraulic pressure can be improved further.
Alternatively, in example as shown in Figure 1, cooling cycle system 3 also comprises check valve 34, check valve 34 is connected on the pipeline between the other end (right-hand member of evaporimeter 35 as shown in Figure 1) of evaporimeter 35 and restricting element 33, and between the connection intersection point 38 and restricting element 33 of magnetic valve 37 and pipeline to prevent magnetic valve 37 from opening time coolant backflow get back to restricting element 33.As shown in Figure 1, the right-hand member of evaporimeter 35 is connected with restricting element 33, pipeline between the right-hand member of evaporimeter 35 and restricting element 33 has the connection intersection point 38 with magnetic valve 37, check valve 34 is located at and connects between intersection point 38 and restricting element 33, thus, when can prevent magnetic valve 37 from opening, the refrigerant of compressor 31 flows to restricting element 33.Alternatively, restricting element 33 can be expansion valve, and expansion valve can carry out by-pass valve control flow by the degree of superheat change of evaporimeter 35 end, thus can prevent the underutilization of evaporimeter 35 area and engine knock phenomenon.
In addition; the invention allows for a kind of water refrigerating plant; this water refrigerating plant is by adopting in above-mentioned water refrigerating plant the control method preventing cold water from freezing; accurately can control unlatching or the shutdown of compressor 31; avoid start or the shutdown of unnecessary compressor 31; thus compressor 31 can be protected, ensure the refrigeration of compressor 31, extend the service life of compressor 31.
Alternatively, water refrigerating plant is cooling-water machine.Thus; the opening and closing of magnetic valve 37 are judged by the hydraulic pressure and water temperature detecting water pipe 2; can effectively prevent outlet pipe 2 inner cold water from freezing; and accurately can control unlatching or the shutdown of compressor 31; avoid start or the shutdown of unnecessary compressor 31; thus compressor 31 can be protected, ensure the refrigeration of compressor 31, extend the service life of compressor 31.
Alternatively, water refrigerating plant can be evaporator defrost device, further, this evaporator defrost device can be used for air-conditioning, thus, when air-conditioning heats at low ambient temperatures, easily frosting is even icing on evaporimeter 35 surface, and now, the HTHP refrigerant of compressor 31 flows to evaporimeter 35, to remove frost or the ice on evaporimeter 35 surface, thus device 35 frosting that can avoid evaporating.
Alternatively, water refrigerating plant can also be ice making deicing apparatus, and further, this ice making deicing apparatus can be used in refrigerator or ice machine.Thus, in ice-making process, evaporimeter 35 absorbs heat, make evaporimeter 35 surface temperature lower and form ice sheet, when ice sheet reaches certain thickness, magnetic valve 37 is opened, and flows into high temperature and high pressure gas in evaporimeter 35, evaporimeter 35 surface temperature is improved, thus is conducive to ice sheet from the disengaging of evaporimeter 35 surface.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (9)
1. in a water refrigerating plant, prevent the control method that cold water freezes, it is characterized in that, described water refrigerating plant comprises: water pump and the outlet pipe with delivery port, described outlet pipe is freezed by cooling cycle system, described cooling cycle system comprises compressor, condenser, evaporimeter and reservoir, described compressor has exhaust outlet and gas returning port, one end of described condenser is connected with described exhaust outlet, one end of described evaporimeter is connected with described gas returning port, restricting element is in series with between the other end of described condenser and the other end of described evaporimeter, between the other end of described evaporimeter and described exhaust outlet, there is magnetic valve,
Described control method comprises the following steps:
S1, open delivery port to make starting mode of pump;
S2, detect water inner pipe water pressure P, and compare with preset pressure P1;
During the hydraulic pressure P≤P1 detected in S3, step S2, close described magnetic valve;
During the hydraulic pressure P > P1 detected in S4, step S2, detect water temperature T in water pipe, and water temperature T is compared with default minimum temperature threshold T1 and default maximum temperature threshold value T2;
S5, when the water temperature T detected in step S4 is greater than T2, opens solenoid valve, and go to step S8;
S6, when the water temperature T detected in step S4 is less than T1, judges that described compressor is as stopped status, open described compressor and open described magnetic valve, and going to step S8;
S7, as the water temperature T 1≤T≤T2 detected in step S4, judge that described compressor is as open state or stopped status, when described compressor is open state, opens described magnetic valve; When described compressor is stopped status, opens compressor and open described magnetic valve, and going to step S8;
S8, open described magnetic valve time t after close, continue to detect water inner pipe water pressure P, and compare with preset pressure P1;
During the hydraulic pressure P≤P1 detected in S9, step S8, close described magnetic valve;
During the hydraulic pressure P > P1 detected in S10, step S8, get back to step S8.
2. the control method preventing cold water from freezing according to claim 1, it is characterized in that, the time t in described step S8 is more than or equal to 1 second.
3. the control method preventing cold water from freezing according to claim 1, it is characterized in that, described hydraulic pressure is detected by pressure sensor, described water temperature is detected by temperature sensor, and described pressure sensor and described temperature sensor detect water temperature and the hydraulic pressure of one end of contiguous described water pump in described outlet pipe.
4. the control method preventing cold water from freezing according to claim 1, it is characterized in that, described cooling cycle system also comprises:
Check valve, described check valve is connected on the pipeline between the other end of described evaporimeter and described restricting element, and between the connection intersection point and described restricting element of described magnetic valve and described pipeline to prevent described magnetic valve from opening time coolant backflow get back to restricting element.
5. the control method preventing cold water from freezing according to claim 1 or 4, it is characterized in that, described restricting element is expansion valve.
6. a water refrigerating plant, is characterized in that, adopts the control method preventing cold water from freezing according to any one of claim 1-5.
7. water refrigerating plant according to claim 6, is characterized in that, described water refrigerating plant is cooling-water machine.
8. water refrigerating plant according to claim 6, is characterized in that, described water refrigerating plant is evaporator defrost device.
9. water refrigerating plant according to claim 6, is characterized in that, described water refrigerating plant is ice making deicing apparatus.
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| CN105509356A (en) * | 2016-01-20 | 2016-04-20 | 佛山市顺德区美的饮水机制造有限公司 | Water refrigeration device and refrigeration system and refrigeration method thereof |
| CN105546695A (en) * | 2016-01-21 | 2016-05-04 | 合肥天鹅制冷科技有限公司 | Ice storage temperature control method for ice storage air conditioner |
| CN107576107A (en) * | 2017-07-18 | 2018-01-12 | 广东美的暖通设备有限公司 | A kind of method for preventing heat exchanger from freezing, system and air cooling module unit |
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| CN110986281A (en) * | 2019-11-04 | 2020-04-10 | 珠海格力电器股份有限公司 | Automatic anti-freezing control method for multi-connected cold-hot water heat pump unit and air conditioning system thereof |
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| CN115167559A (en) * | 2022-06-23 | 2022-10-11 | 北京京仪自动化装备技术股份有限公司 | Control method and control system of temperature control system and temperature control system |
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| CN107576107A (en) * | 2017-07-18 | 2018-01-12 | 广东美的暖通设备有限公司 | A kind of method for preventing heat exchanger from freezing, system and air cooling module unit |
| CN112401655A (en) * | 2019-08-22 | 2021-02-26 | 佛山市顺德区美的饮水机制造有限公司 | Water dispenser, refrigeration control method thereof and computer readable storage medium |
| CN110986281A (en) * | 2019-11-04 | 2020-04-10 | 珠海格力电器股份有限公司 | Automatic anti-freezing control method for multi-connected cold-hot water heat pump unit and air conditioning system thereof |
| CN115167559A (en) * | 2022-06-23 | 2022-10-11 | 北京京仪自动化装备技术股份有限公司 | Control method and control system of temperature control system and temperature control system |
| CN115167559B (en) * | 2022-06-23 | 2023-11-17 | 北京京仪自动化装备技术股份有限公司 | Control method and control system of temperature control system and temperature control system |
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