CN113776222A - Module unit and control method thereof - Google Patents
Module unit and control method thereof Download PDFInfo
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- CN113776222A CN113776222A CN202111140742.0A CN202111140742A CN113776222A CN 113776222 A CN113776222 A CN 113776222A CN 202111140742 A CN202111140742 A CN 202111140742A CN 113776222 A CN113776222 A CN 113776222A
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- evaporator
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- 238000000034 method Methods 0.000 title claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 177
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 238000005057 refrigeration Methods 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 229910001385 heavy metal Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011555 saturated liquid Substances 0.000 description 1
- 239000013526 supercooled liquid Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/06—Several compression cycles arranged in parallel
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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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/06—Several compression cycles arranged in parallel
- F25B2400/061—Several compression cycles arranged in parallel the capacity of the first system being different from the second
Abstract
The invention provides a module unit and a control method thereof, comprising a control module, a refrigeration module and a heating module, wherein the refrigeration module and the heating module are in signal connection with the control module; the first condenser, the second condenser first evaporimeter all be equipped with an air heat transfer module on the second evaporimeter, a hot water runner of intercommunication in the middle of first condenser and the second condenser, first evaporimeter with communicate a cold water runner between the second evaporimeter to realize that heating module and refrigeration module switch different heat transfer forms. The invention is characterized in that a plurality of water chilling units are used simultaneously, are controlled to be used in a unified way, and have the functions of independent refrigeration, independent heating and simultaneous refrigeration and heating.
Description
Technical Field
The invention relates to the field of water chilling units, in particular to a modular unit and a control method thereof.
Background
The water chilling unit is cooling water equipment capable of providing constant temperature, constant flow and constant pressure, in each water chilling unit, the temperature of a refrigerating working medium discharged by a compressor is very high and can reach 70-120 ℃ generally, in order to meet the refrigerating requirement, a refrigerant gas needs to be cooled (condensed) to be saturated or supercooled liquid at 40-50 ℃, under the traditional condition, the part of heat needs to be transferred to air or water by a special air-cooled or water-cooled condenser, the water chilling unit is divided into an air-cooled water chilling unit and a water-cooled water chilling unit in the refrigeration industry, an air cooling device is arranged on one side of a condenser of the air-cooled water chilling unit to dissipate heat of the condenser, and the water-cooled water chilling unit introduces external cold water into the condenser to take away the heat.
The patent 200710195681.1 provides an improved steam compression type refrigerating system and its use, characterized in that in the system, the condenser is equipped with a temperature controller, when the cold water in the condenser is heated to 40 deg.C by the condensation heat, the temperature controller pushes the 40 deg.C low-temperature hot water into the heat-insulating water tank through the control system, and in sunny days, the cold water is heated by the heat pump to 70 deg.C bathing and domestic hot water, so that when the system is refrigerating and air-conditioning, hot water is produced at the same time, and the refrigerating effect is not affected. However, the system can only obtain hot water of 40 ℃, and auxiliary solar energy or a heat pump can only prepare hot water of 70 ℃, and the temperature of drinking water cannot be reached. If the normal temperature water absorbs heat of the condensers of the two water chilling units, the conventional water chilling units are used singly, and the problem of division and matching among the units is solved.
Disclosure of Invention
The invention provides a module unit and a control method thereof, which are characterized in that a plurality of water chilling units are used simultaneously, are controlled and used in a unified way, and have the functions of independent refrigeration, independent heating and simultaneous refrigeration and heating.
The technical scheme is as follows:
a modular unit comprises a control module, a refrigerating module and a heating module, wherein the refrigerating module and the heating module are in signal connection with the control module, the refrigerating module comprises a first compressor, a first condenser communicated with the first compressor, a first throttling element communicated with the first condenser, and a first evaporator communicated with the first throttling element, and the first evaporator is also communicated with the first compressor; the heating module comprises a second compressor, a second condenser communicated with the second compressor, a second throttling element communicated with the second condenser, and a second evaporator communicated with the second throttling element, wherein the second evaporator is also communicated with the second compressor; the first condenser, the second condenser, the first evaporator and the second evaporator are all provided with an air heat exchange module, a hot water flow channel is communicated between the first condenser and the second condenser, and a cold water flow channel is communicated between the first evaporator and the second evaporator so as to realize that the heating module and the refrigerating module are switched into different heat exchange modes; the module unit is also provided with a water quality monitoring system which comprises a front end sensor module, a microcomputer module and an early warning module, wherein the front end sensor module is arranged at the water outlet tail end of the hot water flow channel and the water outlet tail end of the cold water flow channel and used for collecting data of PH, turbidity, oxygen concentration, temperature and heavy metal in water, the microcomputer module is used for receiving water quality parameter information, analyzing information and sending signals to realize central processing of the information, the early warning module is used for receiving alarm signals and sending out alarm prompts, and the microcomputer module is in signal connection with the front end sensor module, the early warning module, the control module, a water inlet valve of the hot water flow channel and a water inlet valve of the cold water flow channel; the front-end sensor module comprises a data collector and a wireless data transmitting module, the data collector is used for collecting various parameters of water quality, the wireless data transmitting module is used for sending the various parameters of the water quality to the microcomputer module, the microcomputer module analyzes the parameters of the water quality and sends an alarm signal to the early warning module, and the early warning module gives out early warning; and the microcomputer module analyzes the water quality parameters and respectively sends a normal operation instruction or a stop operation instruction to the control module, the water inlet valve of the hot water flow passage and the water inlet valve of the cold water flow passage.
Further, the first condenser comprises a hot water flow channel and a first heat exchange working medium flow channel arranged around the outer side of the hot water flow channel, and the air heat exchange module is positioned on the outer side of the first heat exchange working medium flow channel.
Further, the second condenser comprises a hot water flow channel and a third heat exchange working medium flow channel arranged around the outer side of the hot water flow channel, and the air heat exchange module is positioned on the outer side of the third heat exchange working medium flow channel.
Further, the first heat exchange working medium flow and the third heat exchange working medium flow channel are communicated with the first throttling element.
Further, the air heat exchange module comprises a protective shell and fan blades arranged in the protective shell, and the protective shell is sleeved on the first condenser.
Further, an air inlet and an air outlet are formed in the protective shell, and the blowing direction of the fan blades faces the air outlet.
Furthermore, the first evaporator comprises a cold water flow channel and a second heat exchange working medium flow channel arranged around the outer side of the cold water flow channel, and the air heat exchange module is positioned on the outer side of the second heat exchange working medium flow channel.
Further, the second evaporator comprises a cold water flow channel and a fourth heat exchange working medium flow channel arranged around the outer side of the cold water flow channel, and the air heat exchange module is located on the outer side of the fourth heat exchange working medium flow channel.
Further, the second heat exchange working medium flow passage and the fourth heat exchange working medium flow passage are both communicated with the first throttling element.
A control method of a module unit comprises the following steps:
in the cooling mode:
the control module sends a refrigeration instruction to the refrigeration module, the refrigeration module and the air heat exchange module on the first condenser are started, and meanwhile normal-temperature water is introduced into the cold water flow channel;
the air heat exchange module absorbs heat to the first condenser, the heat exchange working medium in the first condenser is cooled, the normal-temperature water absorbs heat to the first evaporator, and the normal-temperature water is changed into cooling water to realize refrigeration.
In the heating mode:
the control module sends a heating instruction to the heating module, the heating module and the air heat exchange module on the second evaporator are started, and meanwhile normal-temperature water is introduced into the hot water channel;
the air heat exchange module exchanges heat with the second evaporator, the heat exchange working medium in the second evaporator is heated, the normal-temperature water absorbs heat of the second condenser, and the normal-temperature water is changed into hot water to realize heating.
The beneficial effects provided by the invention are as follows:
when the air conditioner is independently refrigerated, the refrigeration module and the air heat exchange module on the first condenser are started, and normal-temperature water is introduced into the cold water flow channel. The first compressor compresses a heat exchange working medium, the compressed heat exchange working medium flows to the first condenser to release heat, the air heat exchange module dissipates heat of the first condenser, the heat exchange working medium in the first condenser is cooled, the heat exchange working medium flows to the first evaporator after being throttled by the first throttling element and absorbs heat at the first evaporator, and the normal-temperature water releases heat to the first evaporator to become cooling water to realize refrigeration. When heating alone, the air heat exchange module on heating module and the second evaporimeter starts, lets in normal atmospheric temperature water in the hot water runner simultaneously. The second compressor compresses the heat exchange working medium, the compressed heat exchange working medium flows to the second condenser to release heat, the normal-temperature water absorbs heat of the second condenser to become hot water, heating is achieved, the heat exchange working medium in the second condenser is cooled, the heat exchange working medium flows to the second evaporator after being throttled by the second throttling element and absorbs heat at the second evaporator, and the air heat exchange module exchanges heat with the second evaporator. When refrigerating and heating are carried out simultaneously, the heating module and the refrigerating module are started, normal-temperature water in the hot water flow channel passes through the first condenser and the second condenser and absorbs heat to cool the first condenser and the second condenser, and therefore hot water is obtained; the normal temperature water in the cold water flow passage flows through the first evaporator and the second evaporator and releases heat to heat the first evaporator and the second evaporator, so that cold water is obtained. The front end sensor module detects indexes such as PH, turbidity, oxygen concentration, temperature, heavy metal of rivers, through installing the front end sensor module in the pipeline, carry out automatic acquisition with the various parameters of quality of water that flow through in the pipe, long-range sending to the microcomputer module after handling, the microcomputer module analysis quality of water parameter, judge whether quality of water is up to standard, if quality of water is not up to standard, the microcomputer module sends alarm signal to the early warning module, after the early warning module received signal, send the police dispatch newspaper to the administrator through light signal or sound wave signal, the suggestion quality of water is not up to standard, should overhaul the pipeline. The invention has the advantages that a plurality of water chilling units are used simultaneously, are controlled to be used in a unified way, have the functions of independent refrigeration, independent heating and simultaneous refrigeration and heating, and have the function of judging the water quality to protect the units
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles and effects of the invention.
Unless otherwise specified or defined, the same reference numerals in different figures refer to the same or similar features, and different reference numerals may be used for the same or similar features.
FIG. 1 is a schematic view of the flow passage communication principle of the present invention.
Description of reference numerals:
101. a first compressor; 102. a second compressor; 201. a first condenser; 202. a second condenser; 301. a first throttling element; 302. a second throttling element; 401. a first evaporator; 402. a second evaporator; 501. a hot water flow passage; 502. a cold water flow passage; 601. a protective shell; 602. a fan blade; 701. a first heat exchange working medium flow passage; 702. a second heat exchange working medium flow passage; 703. a third heat exchange working medium flow passage; 704. and a fourth heat exchange working medium flow passage.
Detailed Description
In order to facilitate an understanding of the invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.
Unless specifically stated or otherwise defined, 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 invention belongs. In the case of a real-world scenario incorporating the technical solution of the present invention, all technical and scientific terms used herein may also have meanings corresponding to the purpose of achieving the technical solution of the present invention.
As used herein, unless otherwise specified or defined, "first" and "second" … are used merely for name differentiation and do not denote any particular quantity or order.
As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present.
As used herein, unless otherwise specified or defined, the terms "comprises," "comprising," and "comprising" are used interchangeably to refer to the term "comprising," and are used interchangeably herein.
It is needless to say that technical contents or technical features which are contrary to the object of the present invention or clearly contradicted by the object of the present invention should be excluded.
As shown in fig. 1, a modular unit includes a control module, a refrigeration module and a heating module, the refrigeration module and the heating module are in signal connection with the control module, the refrigeration module includes a first compressor 101, a first condenser 201 communicated with the first compressor 101, a first throttling element 301 communicated with the first condenser 201, and a first evaporator 401 communicated with the first throttling element 301, the first evaporator 401 is also communicated with the first compressor 101; the heating module comprises a second compressor 102, a second condenser 202 in communication with the second compressor 102, a second throttling element 302 in communication with the second condenser 202, a second evaporator 402 in communication with the second throttling element 302, the second evaporator 402 also in communication with the second compressor 102; an air heat exchange module is arranged on each of the first condenser 201, the second condenser 202, the first evaporator 401 and the second evaporator 402, a hot water flow channel 501 is communicated between the first condenser 201 and the second condenser 202, and a cold water flow channel 502 is communicated between the first evaporator 401 and the second evaporator 402, so that the heating module and the refrigerating module can be switched to different heat exchange modes.
During independent refrigeration, the refrigeration module and the air heat exchange module on the first condenser 201 are started, normal-temperature water is introduced into the cold water runner 502, and air cooling heat dissipation is performed on the first condenser 201. First compressor 101 compresses the heat transfer working medium, and the heat transfer working medium after the compression flows to first condenser 201 and puts exothermic, and air heat transfer module dispels the heat to first condenser 201, and the heat transfer working medium cooling in the first condenser 201, the heat transfer working medium flows to first evaporimeter 401 after first throttling element 301 throttle to in first evaporimeter 401 department heat absorption, normal atmospheric temperature water is exothermic to first evaporimeter 401, becomes the cooling water, realizes refrigerating.
When heating alone, the heating module and the air heat exchange module on the second evaporator 402 are started, and meanwhile, normal temperature water is introduced into the hot water flow passage 501, and air cooling heat exchange is performed on the second evaporator 402. The second compressor 102 compresses the heat exchange working medium, the compressed heat exchange working medium flows to the second condenser 202 to release heat, the normal temperature water absorbs heat to the second condenser 202 to become hot water, heating is achieved, the heat exchange working medium in the second condenser 202 is cooled, the heat exchange working medium flows to the second evaporator 402 after being throttled by the second throttling element 302, heat is absorbed at the second evaporator 402, and the air heat exchange module exchanges heat with the second evaporator 402.
When refrigerating and heating are carried out simultaneously, the heating module and the refrigerating module are both started, all the air heat exchange modules are not started, and the first condenser 201 and the second evaporator 402 are both used for water cooling heat exchange. The normal temperature water in the hot water flow passage 501 passes through the first condenser 201 and the second condenser 202 and absorbs heat, so as to cool the first condenser 201 and the second condenser 202, thereby obtaining hot water heated for many times; the water at normal temperature in the cold water flow passage 502 flows through the first evaporator 401 and the second evaporator 402 and releases heat to heat the first evaporator 401 and the second evaporator 402, thereby obtaining cold water. The invention has the advantages that a plurality of water chilling units are used simultaneously, are controlled to be used in a unified way, and have the functions of independent refrigeration, independent heating and simultaneous refrigeration and heating.
As shown in fig. 1, the hot water flow passage is described in detail below, the first condenser 201 includes a hot water flow passage 501 and a first heat exchange medium flow passage 701 disposed around an outer side of the hot water flow passage 501, and the air heat exchange module is disposed outside the first heat exchange medium flow passage 701. The second condenser 202 comprises a hot water flow channel 501 and a third heat exchange working medium flow channel 703 arranged around the outer side of the hot water flow channel 501, the air heat exchange module is positioned on the outer side of the third heat exchange working medium flow channel 703, and the first heat exchange working medium flow and the third heat exchange working medium flow channel 703 are both communicated with the first throttling element 301.
The first condenser 201 is rectangular, the hot water flow channel 501 is located in the middle of the rectangle, the first heat exchange medium flow channel 701 is located on two sides of the hot water flow channel 501, the inlet side of the first heat exchange medium flow channel is communicated with the first compressor 101, and the outlet side of the first heat exchange medium flow channel is communicated with the first throttling element 301; the second condenser 202 is rectangular, the hot water flow channel 501 is located in the middle of the rectangle, the third heat exchange working medium flow channel 703 is located on two sides of the hot water flow channel 501, the inlet side of the third heat exchange working medium flow channel is communicated with the second compressor 102, the outlet side of the third heat exchange working medium flow channel is communicated with the second throttling element 302, and air heat exchange modules are respectively arranged on two sides of the first heat exchange working medium flow channel 701 and two sides of the third heat exchange working medium flow channel 703. The first heat exchange working medium flow passage 701 and the third heat exchange working medium flow passage 703 can exchange heat with the hot water flow passage.
As shown in fig. 1, the cold water flow passage will be described in detail, the first evaporator 401 includes a cold water flow passage 502 and a second heat exchange working medium flow passage 702 disposed around an outer side of the cold water flow passage 502, and the air heat exchange module is disposed outside the second heat exchange working medium flow passage 702. The second evaporator 402 includes a cold water channel 502 and a fourth heat exchange medium channel 704 disposed around the outside of the cold water channel 502, and the air heat exchange module is located outside the fourth heat exchange medium channel 704. The second heat exchange working fluid flow passage 702 and the fourth heat exchange working fluid flow passage 704 both communicate with the first restriction element 301.
The first evaporator 401 is rectangular, the cold water flow passage 502 is positioned in the middle of the rectangle, the second heat exchange working medium flow passage 702 is positioned on two sides of the cold water flow passage 502, the inlet side of the second heat exchange working medium flow passage is communicated with the first throttling element 301, and the outlet side of the second heat exchange working medium flow passage is communicated with the first compressor 101; the second evaporator 402 is rectangular, the cold water channel 502 is located in the middle of the rectangle, the fourth heat exchanging working medium channel 704 is located on two sides of the cold water channel 502, the inlet side of the fourth heat exchanging working medium channel is communicated with the second throttling element 302, the outlet side of the fourth heat exchanging working medium channel is communicated with the second compressor 102, and air heat exchanging modules are arranged on two sides of the second heat exchanging working medium channel 702 and two sides of the fourth heat exchanging working medium channel 704. The second heat exchange working medium flow passage 702 and the fourth heat exchange working medium flow passage 704 can exchange heat with the cold water flow passage.
As shown in fig. 1, the air heat exchange module is described in detail below, and the air heat exchange module includes a protective shell 601 and fan blades 602 disposed in the protective shell 601, and the protective shell 601 is sleeved on the first condenser 201. An air inlet and an air outlet are formed in the protective shell 601, and the blowing direction of the fan blades 602 faces the air outlet.
The protective shell 601 protects the first heat exchange working medium flow passage 701, the air inlet and the air outlet are further provided with filter screens, the fan blades 602 blow away heat emitted from the first heat exchange working medium flow passage 701, air heat dissipation is achieved, and the filter screens filter impurities in air. The second condenser 202, the first evaporator 401 and the second evaporator 402 are all provided with a protective shell 601 and fan blades 602, and the installation mode is the same as that of the first condenser 201.
The module unit is also provided with a front-end sensor module, a microcomputer module and an early warning module, the front-end sensor module is in signal connection with the microcomputer module, the microcomputer module is in signal connection with the early warning module, the front-end sensor module is arranged at the water outlet tail end of the hot water flow passage 501 and the water outlet tail end of the cold water flow passage 502, and the microcomputer module and the control module can be arranged together.
The front end sensor module detects indexes such as PH, turbidity, oxygen concentration, temperature, heavy metal of rivers, through installing the front end sensor module in the pipeline, carry out automatic acquisition with the various parameters of quality of water that flow through in the pipe, long-range sending to the microcomputer module after handling, the microcomputer module analysis quality of water parameter, judge whether quality of water is up to standard, if quality of water is not up to standard, the microcomputer module sends alarm signal to the early warning module, after the early warning module received signal, send the police dispatch newspaper to the administrator through light signal or sound wave signal, the suggestion quality of water is not up to standard, should overhaul the pipeline.
The microcomputer module is also electrically connected with the control module, the water inlet valve of the hot water flow channel 501 and the water inlet valve of the cold water flow channel 502, when the water quality is judged not to reach the standard, the microcomputer module respectively sends instructions to the control module, the water inlet valve of the hot water flow channel 501 and the water inlet valve of the cold water flow channel 502 to enable the control module to stop the heating module and the refrigerating module from working, and enable the water inlet valve of the hot water flow channel 501 and the water inlet valve of the cold water flow channel 502 to stop water inlet, so that the unit is protected.
The front-end sensor module comprises a data collector and a wireless data transmitting module, wherein the data collector is used for collecting various parameters of water quality, and the wireless data transmitting module is used for transmitting the water quality parameters to the microcomputer module.
In another embodiment, a wireless interaction module is arranged on a PC end or a mobile APP of a user, the wireless interaction module can establish data connection with a microcomputer module, and then water quality parameter information and water outlet temperature can be checked from monitoring software of a terminal user at any time and any place.
The above embodiments are provided to illustrate, reproduce and deduce the technical solutions of the present invention, and to fully describe the technical solutions, the objects and the effects of the present invention, so as to make the public more thoroughly and comprehensively understand the disclosure of the present invention, and not to limit the protection scope of the present invention.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (10)
1. A modular unit is characterized by comprising a control module, a refrigerating module and a heating module, wherein the refrigerating module and the heating module are in signal connection with the control module, the refrigerating module comprises a first compressor, a first condenser communicated with the first compressor, a first throttling element communicated with the first condenser, and a first evaporator communicated with the first throttling element, and the first evaporator is also communicated with the first compressor; the heating module comprises a second compressor, a second condenser communicated with the second compressor, a second throttling element communicated with the second condenser, and a second evaporator communicated with the second throttling element, wherein the second evaporator is also communicated with the second compressor; the first condenser, the second condenser, the first evaporator and the second evaporator are all provided with an air heat exchange module, a hot water flow channel is communicated between the first condenser and the second condenser, and a cold water flow channel is communicated between the first evaporator and the second evaporator so as to realize that the heating module and the refrigerating module are switched into different heat exchange modes;
the module unit is also provided with a water quality monitoring system which comprises a front end sensor module, a microcomputer module and an early warning module, wherein the front end sensor module is arranged at the water outlet tail end of the hot water flow passage and the water outlet tail end of the cold water flow passage and used for collecting data of PH, turbidity, oxygen concentration, temperature and heavy metal in water, the microcomputer module is used for receiving water quality parameter information, analyzing information and sending signals to realize central processing of the information, the early warning module is used for receiving alarm signals and sending out alarm prompts, and the microcomputer module is in signal connection with the front end sensor module, the early warning module, the control module, a water inlet valve of the hot water flow passage and a water inlet valve of the cold water flow passage;
the front-end sensor module comprises a data collector and a wireless data transmitting module, the data collector is used for collecting various parameters of water quality, the wireless data transmitting module is used for sending the various parameters of the water quality to the microcomputer module, the microcomputer module analyzes the parameters of the water quality and sends an alarm signal to the early warning module, and the early warning module gives out early warning; and the microcomputer module analyzes the water quality parameters and respectively sends a normal operation instruction or a stop operation instruction to the control module, the water inlet valve of the hot water flow passage and the water inlet valve of the cold water flow passage.
2. The modular unit of claim 1, wherein the first condenser comprises the hot water flow channel and a first heat exchange working medium flow channel disposed around an outside of the hot water flow channel, and the air heat exchange module is located outside of the first heat exchange working medium flow channel.
3. The modular unit of claim 2, wherein the second condenser comprises the hot water channel and a third heat exchange working medium channel disposed around an outside of the hot water channel, and the air heat exchange module is located outside of the third heat exchange working medium channel.
4. A modular unit as claimed in claim 3, characterised in that the first heat exchange fluid flow and the third heat exchange fluid flow are both in communication with the first throttling element.
5. The modular unit as claimed in any one of claims 1 to 4, wherein the air heat exchange module comprises a protective shell and fan blades arranged in the protective shell, and the protective shell is sleeved on the first condenser.
6. The modular unit as claimed in claim 5, wherein the protective casing has an air inlet and an air outlet, and the fan blades have an air blowing direction towards the air outlet.
7. The module unit according to any one of claims 1 to 4, wherein the first evaporator comprises a cold water flow passage and a second heat exchange working medium flow passage arranged around the outside of the cold water flow passage, and the air heat exchange module is positioned outside the second heat exchange working medium flow passage.
8. The modular unit of claim 7, wherein the second evaporator comprises a cold water channel and a fourth heat exchange working medium channel disposed around an outside of the cold water channel, and the air heat exchange module is located outside of the fourth heat exchange working medium channel.
9. The module assembly according to claim 8, wherein the second heat exchange working medium flow channel and the fourth heat exchange working medium flow channel are both in communication with the first throttling element.
10. A control method of a module unit is characterized by comprising the following steps:
in the cooling mode:
the control module sends a refrigeration instruction to the refrigeration module, the refrigeration module and the air heat exchange module on the first condenser are started, and meanwhile normal-temperature water is introduced into the cold water flow channel;
the air heat exchange module absorbs heat to the first condenser, the heat exchange working medium in the first condenser is cooled, the normal-temperature water absorbs heat to the first evaporator, and the normal-temperature water is changed into cooling water to realize refrigeration.
In the heating mode:
the control module sends a heating instruction to the heating module, the heating module and the air heat exchange module on the second evaporator are started, and meanwhile normal-temperature water is introduced into the hot water channel;
the air heat exchange module exchanges heat with the second evaporator, the heat exchange working medium in the second evaporator is heated, the normal-temperature water absorbs heat of the second condenser, and the normal-temperature water is changed into hot water to realize heating.
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| CN202111140742.0A CN113776222A (en) | 2021-09-28 | 2021-09-28 | Module unit and control method thereof |
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| US20120174655A1 (en) * | 2011-01-12 | 2012-07-12 | Eberhard Essich | Contaminated water detecting and monitoring and warning device and system and method using single sensors in tandem or cascade |
| KR20130090224A (en) * | 2012-02-03 | 2013-08-13 | 엘지전자 주식회사 | Air conditoner |
| US20150198338A1 (en) * | 2013-03-15 | 2015-07-16 | Energy Recovery Systems Inc. | Energy exchange system and method |
| CN105571198A (en) * | 2015-12-15 | 2016-05-11 | 同济大学 | Efficient refrigerating system based on cold accumulation and supercooling |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120174655A1 (en) * | 2011-01-12 | 2012-07-12 | Eberhard Essich | Contaminated water detecting and monitoring and warning device and system and method using single sensors in tandem or cascade |
| KR20130090224A (en) * | 2012-02-03 | 2013-08-13 | 엘지전자 주식회사 | Air conditoner |
| US20150198338A1 (en) * | 2013-03-15 | 2015-07-16 | Energy Recovery Systems Inc. | Energy exchange system and method |
| CN105571198A (en) * | 2015-12-15 | 2016-05-11 | 同济大学 | Efficient refrigerating system based on cold accumulation and supercooling |
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