CN116222008A - Automatic control system for cold station - Google Patents
Automatic control system for cold station Download PDFInfo
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- CN116222008A CN116222008A CN202211723864.7A CN202211723864A CN116222008A CN 116222008 A CN116222008 A CN 116222008A CN 202211723864 A CN202211723864 A CN 202211723864A CN 116222008 A CN116222008 A CN 116222008A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
- F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention is suitable for cold station technology, and provides an automatic control system of a cold station, which comprises: a host; the evaporation and condensation module is arranged in the host; the inner machine module is communicated with the evaporation and condensation module; the sensor module arranged in the evaporation and condensation module monitors the heat exchange condition of the evaporation and condensation module in real time, and the main board arranged in the host controls the flow of the refrigerant entering the evaporation and condensation module according to the feedback data of the sensor module; the main board combines the early feedback data and the control parameters to optimize the flow parameters of the refrigerant entering the evaporation and condensation module, and the optimal condensation effect is achieved in the shortest time. The mainboard provided by the invention continuously actively records, learns and optimizes the refrigerant flow control parameters, improves the control efficiency of the evaporation and condensation module, is convenient for achieving the optimal condensation effect in the shortest time, and reduces the energy loss.
Description
Technical Field
The invention belongs to the technical field of cold stations, and particularly relates to an automatic control system of a cold station.
Background
The cold station is generally used in a machine room to supply cold or heat for the machine room, for example, a large amount of cold is needed for large-scale shops, office buildings, factories and the like, and gradually replaces the traditional cooling towers and other equipment to serve as a novel refrigeration source to provide refrigeration for the large-scale shops, office buildings and factories.
Because cold station equipment generally provides cold source energy greatly, when refrigerating in a specific area, the cold station equipment is subject to the conditions of large refrigerating area, large hysteresis and untimely front-end feedback, excessive refrigeration can occur in the control process, the energy loss formed by excessive refrigeration is large, and the energy saving is not facilitated.
Disclosure of Invention
The invention provides an automatic control system of a cold station, which aims to solve the problem that hysteresis is easy to cause extra energy loss in the refrigeration process of the existing cold station equipment.
The invention is realized in that a cold station automatic control system comprises:
a host;
the evaporation and condensation module is arranged in the host;
the internal machine module is communicated with the evaporation and condensation module;
the sensor module arranged in the evaporation and condensation module monitors the heat exchange condition of the evaporation and condensation module in real time, and the main board arranged in the host controls the flow of the refrigerant entering the evaporation and condensation module according to the feedback data of the sensor module; the main board combines the early feedback data and the control parameters to optimize the flow parameters of the refrigerant entering the evaporation and condensation module, and the optimal condensation effect is achieved in the shortest time.
Preferably, the evaporation and condensation module comprises a first-stage evaporator, a second-stage evaporator and a third-stage evaporator, and the air conveyed by the internal machine module sequentially passes through the first-stage evaporator, the second-stage evaporator and the third-stage evaporator and returns to the internal machine module through a main loop pipeline communicated with the internal machine module.
Preferably, a split-flow unit is arranged between the compressor unit and the evaporation and condensation module, and the split-flow unit comprises:
the first-stage flow dividing valve is communicated between the internal machine module and the first-stage evaporator;
a stage II split valve connected between the stage I split valve and the stage II evaporator;
a class III diverter valve in communication between the class II diverter valve and the class III evaporator;
wherein the I-stage flow dividing valve, the II-stage flow dividing valve and the III-stage flow dividing valve are three-way electromagnetic valves; the inlet of the I-stage flow dividing valve is communicated with the compressor unit, two outlets of the I-stage flow dividing valve are respectively communicated with the I-stage evaporator and the II-stage flow dividing valve, and two outlets of the II-stage flow dividing valve are respectively communicated with the II-stage evaporator and the III-stage flow dividing valve; and two outlets of the III-level flow dividing valve are respectively communicated with the III-level evaporator and the main loop pipeline.
Preferably, the sensor module includes:
an external induction unit;
an air inlet induction unit;
the refrigerant sensing unit is communicated with the tube side of the evaporation and condensation module;
and the air induction unit is arranged among the shell passes of the I-stage evaporator, the II-stage evaporator and the III-stage evaporator.
Preferably, the refrigerant sensing unit includes:
the I-stage diverter valve outlet sensor is arranged on a connecting pipeline of the I-stage diverter valve and the I-stage evaporator;
the second-stage flow dividing valve outlet sensor is arranged on the connecting pipeline of the second-stage evaporator and the second-stage flow dividing valve;
and the III-level diverter valve outlet sensor is arranged on the connecting pipeline of the III-level evaporator and the III-level diverter valve.
Preferably, the air induction unit includes:
the I-stage evaporator outlet sensor is arranged on a connecting pipeline between the I-stage evaporator and the II-stage evaporator;
the second-stage evaporator outlet sensor is arranged on a connecting pipeline between the second-stage evaporator and the third-stage evaporator;
and the III-level evaporator outlet sensor is arranged on a connecting pipeline of the III-level evaporator and the internal machine module.
Preferably, the I-stage diverter valve outlet sensor, the II-stage diverter valve outlet sensor and the III-stage diverter valve outlet sensor are identical in structure.
Preferably, the I-stage evaporator outlet sensor, the II-stage evaporator outlet sensor and the III-stage evaporator outlet sensor are identical in structure.
Preferably, the first-stage evaporator comprises a shell, an evaporation pipe and a folded plate, wherein the folded plate and the evaporation pipe are vertically arranged, and the first-stage evaporator, the second-stage evaporator and the third-stage evaporator are all of the same structure.
Preferably, the main board is provided with a local data unit and a communication unit, and the sensor module, the shunt unit and the main board are electrically connected and mutually transmit corresponding electromagnetic signals.
Compared with the prior art, the embodiment of the application has the following main beneficial effects:
1. the automatic control system for the cold station provided by the invention controls the flow of the refrigerant entering the evaporation and condensation module through the feedback data of the sensor module; the main board is used for continuously and actively recording, learning and optimizing the refrigerant flow control parameters, so that the control efficiency of the evaporation and condensation module is improved, the optimal condensation effect can be achieved in the shortest time, and the energy loss is reduced.
2. According to the automatic control system for the cold station, provided by the invention, the air to be condensed is precisely controlled by the shunt unit in a mode of multistage condensation of the I-stage evaporator, the II-stage evaporator and the III-stage evaporator in the evaporation and condensation module, so that the control accuracy is improved, and the energy loss is reduced.
3. The sensor module in the automatic control system for the cold station provided by the invention monitors the condensation effect of the air conveyed by the internal machine module after the air is subjected to multistage condensation by the evaporation and condensation module, and the condensation effect is combined, so that the adjustment range is optimized, the energy loss is reduced, and the energy utilization rate is improved.
Drawings
Fig. 1 is a schematic structural diagram of an automatic control system for a cold station according to the present invention.
Fig. 2 is a schematic diagram of a host structure of an automatic control system for a cold station according to the present invention.
Fig. 3 is a schematic diagram of an evaporation and condensation module structure of the automatic control system of the cold station.
Fig. 4 is a schematic diagram of the internal structure of the stage i evaporator in the automatic control system for a cold station according to the present invention.
Fig. 5 is a schematic diagram of a sensor module structure of an automatic control system for a cold station according to the present invention.
Fig. 6 is a flow chart of a main board control structure of the automatic control system of the cold station.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The embodiment of the invention provides an automatic control system of a cold station, as shown in fig. 1-6, comprising:
a host 100;
an evaporation and condensation module 300 provided inside the host 100;
an internal machine module 200 in communication with the evaporative condensing module 300;
the sensor module 400 disposed in the evaporation and condensation module 300 monitors the heat exchange condition of the evaporation and condensation module 300 in real time, and the main board 510 disposed in the host 100 controls the flow of the refrigerant entering the evaporation and condensation module 300 according to the feedback data of the sensor module 400; the main board 510 continuously optimizes the flow of the refrigerant entering the evaporation and condensation module 300 according to the previous feedback data and control parameters to obtain control parameters, and the main board 510 continuously actively records and learns to improve the control efficiency of the evaporation and condensation module 300, so as to achieve the optimal condensation effect in the shortest time;
it should be noted that, the host 100 is composed of a control unit 120 and a compressor unit 110, the main board 510 is disposed inside the control unit 120, and the main board 510, the compressor unit 110 and the internal unit module 200 all adopt the prior art; the compressor unit 110 compresses the refrigerant and sends the compressed refrigerant to the evaporation and condensation module 300 to perform condensation and heat exchange on the air sent by the internal machine module 200, and the air after the condensation and heat exchange is sent to the designated area again;
the evaporation and condensation module 300 includes a stage i evaporator 310, a stage ii evaporator 320, and a stage iii evaporator 330, the shell side portions of the stage i evaporator 310, the stage ii evaporator 320, and the stage iii evaporator 330 are connected in series, the air conveyed by the internal machine module 200 sequentially passes through the shell sides of the stage i evaporator 310, the stage ii evaporator 320, and the stage iii evaporator 330, and the air conveyed by the internal machine module 200 is condensed stage by stage under the tube side effect inside the stage i evaporator 310, the stage ii evaporator 320, and the stage iii evaporator 330, and by adopting a multi-stage condensation manner, the air to be condensed can be precisely controlled, the control accuracy is improved, and the energy loss is reduced;
the sensor module 400 includes an external induction unit 410 disposed in the area to be controlled, an air inlet induction unit 420 disposed at the air inlet of the internal unit module 200, a refrigerant induction unit 430 connected to the tube side of the evaporation and condensation module 300, and an air induction unit 440 disposed between the shell sides of the stage i evaporator 310, the stage ii evaporator 320, and the stage iii evaporator 330;
in this embodiment, the external sensing unit 410 is disposed in the area to be controlled, and measures the temperature and humidity change conditions of the area to be controlled, the air intake sensing unit 420 measures the flow, temperature and humidity parameters of the air entering the indoor unit module 200, and the refrigerant sensing unit 430 includes a stage i diverter valve outlet sensor 431, a stage ii diverter valve outlet sensor 432 and a stage iii diverter valve outlet sensor 433, which measure the flow and temperature of the refrigerant entering the tube passes of the stage i evaporator 310, the stage ii evaporator 320 and the stage iii evaporator 330, respectively; the air induction unit 440 arranged between the shell passes of the stage i evaporator 310, the stage ii evaporator 320 and the stage iii evaporator 330 can track and measure the whole course of the air leaving the stage i evaporator 310, the stage ii evaporator 320 and the stage iii evaporator 330, so that the main board 510 can finely adjust the content of the refrigerant entering the stage i evaporator 310, the stage ii evaporator 320 and the stage iii evaporator 330, the energy utilization rate in the control process is improved, and the energy loss in the evaporation and condensation stage is reduced;
in this embodiment, a local data unit 530 is disposed on a main board 510, the main board 510 records each time of regulation and control data, and measures external changes in combination with an external sensing unit 410, and performs fine adjustment on the condensation degree of air conveyed by an internal machine module 200 by means of an evaporation and condensation module 300, and performs fine adjustment on the evaporation and condensation module 300 according to the cooling amplitude of the external sensing unit 410, so as to achieve the purpose of reducing energy loss of the evaporation and condensation module 300 by continuous data adjustment and optimization;
when the evaporation and condensation module 300 finds that the external sensing unit 410 measures that the external state drops too fast, the condensation degree of the air conveyed to the internal machine module 200 is actively reduced, when the external sensing unit 410 measures that the external state drops too slow, the evaporation and condensation module 300 improves the condensation degree of the air conveyed to the internal machine module 200, the local data unit 530 of the control parameter of the evaporation and condensation module 300 is subjected to summarization registration, compared with the data measured by the external sensing unit 410, in the later adjustment process, the main board 510 can carry out further fine adjustment along the original data, and the fine adjustment data result can be recorded again each time so as to adapt to the adjustment of the next time; the main board 510 can continuously summarize and collect corresponding data, so as to achieve the purpose of final intelligent optimization control;
the main board 510 is further provided with a communication unit, the communication unit uploads data to the cloud server 520 for data storage by using a network, the main board 510 also obtains other device adjustment data information from the cloud, optimizes self-adjustment effects, obtains maximum condensation effects with minimum energy consumption, reduces energy loss in the condensation process, and improves the utilization rate of energy;
in a further preferred embodiment of the present invention, the stage I evaporator 310 comprises a housing, an evaporator tube 311, and a flap 312, the flap 312 being disposed perpendicular to the evaporator tube 311, the flap 312 being adapted to enhance the shell side path of the stage I evaporator 310;
in this embodiment, the evaporation tube 311 and the folded plate 312 are all of the prior art, the stage i evaporator 310, the stage ii evaporator 320 and the stage iii evaporator 330 are all of the same structure, the stage i condensation inlet 3121 provided on the stage i evaporator 310 is communicated with the internal machine module 200, the stage i condensation outlet 3122 provided on the stage i evaporator 310 is communicated with the stage ii condensation inlet provided on the stage ii evaporator 320, the stage ii condensation outlet 3222 provided on the stage ii evaporator 320 is communicated with the stage iii condensation inlet 3321 provided on the stage iii evaporator 330, the stage iii condensation outlet provided on the stage iii evaporator 330 is communicated with the internal machine module 200, and the air conveyed by the internal machine module 200 is condensed by the evaporation condensation module 300 and then returned to the internal machine module 200 again for being thrown into the designated area;
in a further preferred embodiment of the present invention, a split unit is disposed between the compressor unit 110 and the evaporation and condensation module 300, where the split unit includes a stage i split valve 313, a stage ii split valve 323, and a stage iii split valve 333, and the stage i split valve 313, the stage ii split valve 323, and the stage iii split valve 333 are three-way solenoid valves in the prior art; the inlet of the I-stage flow dividing valve 313 is communicated with the refrigerant outlet of the compressor unit 110, and the two outlets of the I-stage flow dividing valve 313 are respectively communicated with the inlet of the II-stage flow dividing valve 323 and the I-stage evaporating pipe inlet 3111 arranged on the I-stage evaporator 310; two outlets of the II-stage flow dividing valve 323 are respectively communicated with an inlet of the III-stage flow dividing valve 333 and an inlet 3211 of a II-stage evaporation pipe arranged on the II-stage evaporator 320; an outlet of the III-level diverter valve 333 communicates with a III-level evaporator tube inlet 3311 provided in the III-level evaporator 330;
the main recovery pipeline communicated between the evaporation and condensation module 300 and the compressor unit 110 is respectively communicated with a grade I evaporation pipe outlet 3112 arranged on the grade I evaporator 310, a grade II evaporation pipe outlet 3212 arranged on the grade II evaporator 320 and a grade III evaporation pipe outlet 3312 arranged on the grade III evaporator 330, and the refrigerant after evaporation operation returns from the evaporation and condensation module 300 to the compressor unit 110 through the main recovery pipeline;
as a preferred implementation manner in this embodiment, an outlet of the stage iii diverter valve 333 is connected to a recovery diverter 340, and the recovery diverter 340 is a three-way electromagnetic valve, so that the refrigerant diverted by the stage iii diverter valve 333 is respectively led back to an inlet end of the stage i diverter valve 313, or is led to a main recovery pipeline to directly return to the interior of the compressor unit 110 for re-compression liquefaction;
as a preferred implementation of this embodiment, the stage i diverter valve outlet inductor 431 is disposed on a connecting pipeline between the stage i diverter valve 313 and the stage i evaporator 310; the II-stage diverter valve outlet sensor 432 is arranged on a connecting pipeline between the II-stage evaporator 320 and the II-stage diverter valve 323; the III-level diverter valve outlet sensor 433 is arranged on a connecting pipeline between the III-level evaporator 330 and the III-level diverter valve 333;
in this embodiment, the level i diverter valve outlet sensor 431, the level ii diverter valve outlet sensor 432, and the level iii diverter valve outlet sensor 433 are a composite sensor module of a temperature sensor, a humidity sensor, and a flowmeter of the prior art, respectively detect the conditions of the refrigerant entering the level i evaporator 310, the level ii evaporator 320, and the level iii evaporator 330, and after collecting relevant data information, construct a data model diagram, so that the motherboard 510 can perform fine adjustment on the diversion unit according to the data model, thereby improving the energy utilization rate of the level i evaporator 310, the level ii evaporator 320, and the level iii evaporator 330, and reducing energy loss;
in a further preferred embodiment of the present invention, the air induction unit 440 includes a stage I evaporator outlet sensor 441, a stage II evaporator outlet sensor 442, and a stage III evaporator outlet sensor 443; the I-stage evaporator outlet sensor 441 is disposed on a connecting pipeline between the I-stage evaporator 310 and the II-stage evaporator 320, the II-stage evaporator outlet sensor 442 is disposed on a connecting pipeline between the II-stage evaporator 320 and the III-stage evaporator 330, and the III-stage evaporator outlet sensor 443 is disposed on a connecting pipeline between the III-stage evaporator 330 and the internal machine module 200;
in this embodiment, the level i evaporator outlet sensor 441, the level ii evaporator outlet sensor 442, and the level iii evaporator outlet sensor 443 are combined sensing modules of a temperature sensor, a humidity sensor, and a flowmeter according to the prior art; the main board 510 monitors the condensation effect of the air conveyed by the internal machine module 200 after multi-stage condensation of the evaporation and condensation module 300, and finely adjusts the refrigerants conveyed by the I-stage evaporator 310, the II-stage evaporator 320 and the III-stage evaporator 330 through the flow dividing unit, so that the final effect is combined, the adjustment range is optimized, the energy loss is reduced, and the utilization rate of energy is improved;
it should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present invention is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present invention. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present invention.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present invention or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, which also falls within the scope of the present invention.
Claims (10)
1. An automatic control system for a cold station, comprising:
a host;
the evaporation and condensation module is arranged in the host;
the internal machine module is communicated with the evaporation and condensation module;
the sensor module arranged in the evaporation and condensation module monitors the heat exchange condition of the evaporation and condensation module in real time, and the main board arranged in the host controls the flow of the refrigerant entering the evaporation and condensation module according to the feedback data of the sensor module; the main board combines the early feedback data and the control parameters to optimize the flow parameters of the refrigerant entering the evaporation and condensation module, and the optimal condensation effect is achieved in the shortest time.
2. The automatic control system of a cold station according to claim 1, wherein the evaporative condensing module comprises a stage i evaporator, a stage ii evaporator and a stage iii evaporator, and the air delivered from the internal machine module sequentially passes through the stage i evaporator, the stage ii evaporator and the stage iii evaporator shell side and then returns to the internal machine module through a main loop pipeline communicated with the internal machine module.
3. The automatic control system of a cold station according to claim 2, wherein a split-flow unit is provided between the evaporation-condensation module and a compressor unit provided in the main unit, the split-flow unit comprising:
the first-stage flow dividing valve is communicated between the internal machine module and the first-stage evaporator;
a stage II split valve connected between the stage I split valve and the stage II evaporator;
a class III diverter valve in communication between the class II diverter valve and the class III evaporator;
wherein the I-stage flow dividing valve, the II-stage flow dividing valve and the III-stage flow dividing valve are three-way electromagnetic valves; the inlet of the I-stage flow dividing valve is communicated with the compressor unit, two outlets of the I-stage flow dividing valve are respectively communicated with the I-stage evaporator and the II-stage flow dividing valve, and two outlets of the II-stage flow dividing valve are respectively communicated with the II-stage evaporator and the III-stage flow dividing valve; and two outlets of the III-level flow dividing valve are respectively communicated with the III-level evaporator and the main loop pipeline.
4. A cold station automation system as claimed in claim 3, wherein the sensor module comprises:
an external induction unit;
an air inlet induction unit;
the refrigerant sensing unit is communicated with the tube side of the evaporation and condensation module;
and the air induction unit is arranged among the shell passes of the I-stage evaporator, the II-stage evaporator and the III-stage evaporator.
5. The automatic control system of a cold station as set forth in claim 4, wherein said refrigerant sensing unit comprises:
the I-stage diverter valve outlet sensor is arranged on a connecting pipeline of the I-stage diverter valve and the I-stage evaporator;
the second-stage flow dividing valve outlet sensor is arranged on the connecting pipeline of the second-stage evaporator and the second-stage flow dividing valve;
and the III-level diverter valve outlet sensor is arranged on the connecting pipeline of the III-level evaporator and the III-level diverter valve.
6. The automatic control system of a cold station of claim 5, wherein said air induction unit comprises:
the I-stage evaporator outlet sensor is arranged on a connecting pipeline between the I-stage evaporator and the II-stage evaporator;
the second-stage evaporator outlet sensor is arranged on a connecting pipeline between the second-stage evaporator and the third-stage evaporator;
and the III-level evaporator outlet sensor is arranged on a connecting pipeline of the III-level evaporator and the internal machine module.
7. The automatic control system of a cold station of claim 6, wherein the class i diverter valve outlet sensor, the class ii diverter valve outlet sensor and the class iii diverter valve outlet sensor are identical in construction.
8. The automatic control system of a cold station of claim 7, wherein the level i evaporator outlet sensor, the level ii evaporator outlet sensor and the level iii evaporator outlet sensor are identical in structure.
9. The automatic control system of a cold station of claim 8, wherein the level i evaporator comprises a housing, an evaporator tube and a flap, wherein the flap is vertically disposed between the evaporator tube, and wherein the level i evaporator, the level ii evaporator and the level iii evaporator are all of the same construction.
10. The automatic control system of a cold station according to claim 9, wherein the main board is provided with a local data unit and a communication unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211723864.7A CN116222008A (en) | 2022-12-30 | 2022-12-30 | Automatic control system for cold station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211723864.7A CN116222008A (en) | 2022-12-30 | 2022-12-30 | Automatic control system for cold station |
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| CN116222008A true CN116222008A (en) | 2023-06-06 |
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| CN202211723864.7A Pending CN116222008A (en) | 2022-12-30 | 2022-12-30 | Automatic control system for cold station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117519054A (en) * | 2023-12-11 | 2024-02-06 | 广州智业节能科技有限公司 | High-efficient cold station control system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1477355A (en) * | 2003-07-10 | 2004-02-25 | 上海交通大学 | Car air-conditioner evaporator refrigerating agent flow control system |
| CN101403546A (en) * | 2008-11-14 | 2009-04-08 | 西安交通大学 | Absorption type refrigerator employing film distillation technology |
| CN103375871A (en) * | 2012-04-16 | 2013-10-30 | 珠海格力电器股份有限公司 | Automatic air-conditioning system capacity adjusting method |
| CN105004100A (en) * | 2015-07-21 | 2015-10-28 | 同济大学 | Single-refrigerant loop and multiple-suction pressure steam compression refrigeration/heat pump system |
| CN108759139A (en) * | 2018-07-20 | 2018-11-06 | 天津商业大学 | The intermediate not exclusively cooling refrigeration system of primary throttling with medium temperature evaporator |
| CN210292409U (en) * | 2019-11-19 | 2020-04-10 | 宝鸡雷博精密工业有限责任公司 | One drags many liquid cooling machines |
| CN113891634A (en) * | 2021-10-26 | 2022-01-04 | 苏州英维克温控技术有限公司 | Cold station unit, integrated cold station system, control method of integrated cold station system and related equipment |
| CN113891635A (en) * | 2021-10-26 | 2022-01-04 | 苏州英维克温控技术有限公司 | Cold station unit, integrated cold station system, control method of integrated cold station system and related equipment |
-
2022
- 2022-12-30 CN CN202211723864.7A patent/CN116222008A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1477355A (en) * | 2003-07-10 | 2004-02-25 | 上海交通大学 | Car air-conditioner evaporator refrigerating agent flow control system |
| CN101403546A (en) * | 2008-11-14 | 2009-04-08 | 西安交通大学 | Absorption type refrigerator employing film distillation technology |
| CN103375871A (en) * | 2012-04-16 | 2013-10-30 | 珠海格力电器股份有限公司 | Automatic air-conditioning system capacity adjusting method |
| CN105004100A (en) * | 2015-07-21 | 2015-10-28 | 同济大学 | Single-refrigerant loop and multiple-suction pressure steam compression refrigeration/heat pump system |
| CN108759139A (en) * | 2018-07-20 | 2018-11-06 | 天津商业大学 | The intermediate not exclusively cooling refrigeration system of primary throttling with medium temperature evaporator |
| CN210292409U (en) * | 2019-11-19 | 2020-04-10 | 宝鸡雷博精密工业有限责任公司 | One drags many liquid cooling machines |
| CN113891634A (en) * | 2021-10-26 | 2022-01-04 | 苏州英维克温控技术有限公司 | Cold station unit, integrated cold station system, control method of integrated cold station system and related equipment |
| CN113891635A (en) * | 2021-10-26 | 2022-01-04 | 苏州英维克温控技术有限公司 | Cold station unit, integrated cold station system, control method of integrated cold station system and related equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117519054A (en) * | 2023-12-11 | 2024-02-06 | 广州智业节能科技有限公司 | High-efficient cold station control system |
| CN117519054B (en) * | 2023-12-11 | 2024-06-11 | 广州智业节能科技有限公司 | High-efficient cold station control system |
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