CN112728661A - Double-rotary-wheel humidity adjusting device, air conditioning system with double-rotary-wheel humidity adjusting device, control method and controller - Google Patents
Double-rotary-wheel humidity adjusting device, air conditioning system with double-rotary-wheel humidity adjusting device, control method and controller Download PDFInfo
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- CN112728661A CN112728661A CN202110077773.XA CN202110077773A CN112728661A CN 112728661 A CN112728661 A CN 112728661A CN 202110077773 A CN202110077773 A CN 202110077773A CN 112728661 A CN112728661 A CN 112728661A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
- F24F3/1423—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/1458—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification using regenerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1056—Rotary wheel comprising a reheater
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- Air Conditioning Control Device (AREA)
Abstract
The invention relates to a double-rotary-wheel humidity adjusting device, an air conditioning system with the same, a control method and a controller. The double-runner humidity control device comprises: the moisture absorption part of the first adsorption type rotating wheel is arranged at a position close to the first refrigerating inner machine, and the water release part of the first adsorption type rotating wheel is arranged at a position close to the first heating inner machine; the moisture absorption part of the second adsorption type rotating wheel is arranged at a position close to the second refrigerating indoor unit, and the water release part of the second adsorption type rotating wheel is arranged at a position close to the second heating indoor unit; the indoor air circulating pipe is communicated with the first refrigerating inner machine, the moisture absorption part of the first adsorption type rotating wheel, the second refrigerating inner machine and the moisture absorption part of the second adsorption type rotating wheel in sequence; and the outdoor fresh air circulating pipe is communicated with the first heating inner machine and the water release part of the first adsorption type rotating wheel and the water release part of the second heating inner machine and the second adsorption type rotating wheel. The double-rotary-wheel humidity control device can effectively utilize the energy of an air conditioning system.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a double-rotary-wheel humidity adjusting device, an air conditioner system with the double-rotary-wheel humidity adjusting device, a control method and a controller.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
In low-humidity environment places such as lithium battery workshops and the like, the moisture content of air is extremely low, so dehumidification is required all the year round. Meanwhile, in order to meet the requirements of human or machine equipment operation in these low-humidity environment places, the environmental temperature is generally required to be maintained at 18 ℃ to 25 ℃. The dew point temperature of air in a low-humidity environment place is generally lower than-30 ℃, and at the moment, the condensation dehumidification method cannot be adopted to realize dehumidification due to the fact that condensation frost is formed and ice is formed.
Therefore, in low-humidity environment places such as lithium battery workshops and the like, deep dehumidification is generally realized by adopting a desiccant adsorption method. The existing rotary wheel dehumidification system of the lithium battery production workshop mainly controls air humidity or moisture content, directly sends dry air coming out of a rotary wheel dehumidification area to a low-humidity environment place, and lacks accurate adjustment of air temperature of air supply. Secondly, when the rotary dehumidification system is used in conjunction with the refrigeration cycle system, the existing rotary dehumidification system cannot fully utilize the cold source and the heat source of the refrigeration cycle system, so that the energy utilization efficiency of the whole system is low. Furthermore, in prior two-stage rotary wheel dehumidification systems, the two-stage rotary wheels generally used the same adsorbent material or the two-stage rotary wheels were not designated to use different adsorbent materials. In fact, for air with different moisture contents, corresponding adsorbent rotating wheels are needed to realize step dehumidification or deep dehumidification.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems of the prior art at least to a certain extent.
In order to achieve the above object, a first aspect of the present invention provides a dual-rotor humidity control apparatus including: the moisture absorption part of the first adsorption type rotating wheel is arranged at a position close to a first refrigerating indoor unit of the air conditioning system, and the water release part of the first adsorption type rotating wheel is arranged at a position close to a first heating indoor unit of the air conditioning system; the moisture absorption part of the second adsorption type rotating wheel is arranged at a position close to a second refrigerating indoor unit of the air conditioning system, and the water release part of the second adsorption type rotating wheel is arranged at a position close to a second heating indoor unit of the air conditioning system; the indoor air circulating pipe is communicated with the first refrigerating inner machine, the moisture absorption part of the first adsorption type rotating wheel, the second refrigerating inner machine and the moisture absorption part of the second adsorption type rotating wheel in sequence; and the outdoor fresh air circulating pipe is sequentially communicated with the first heating inner machine and the water release part of the first adsorption type rotating wheel and the second heating inner machine and the water release part of the second adsorption type rotating wheel.
The double-rotary-wheel humidifying device provided by the invention can regenerate moisture by using a low-temperature heat source generated by an air conditioning system, the relative humidity of air at the moisture absorption part is improved by arranging a refrigerating inner machine in an evaporation mode at the moisture absorption part of the adsorption rotary wheel, the moisture absorption amount is improved, and meanwhile, a heating inner machine in a condensation mode is arranged at the water release part to heat the air, so that the effect of regenerating moisture by the adsorption rotary wheel is realized. The embodiment of this application is through the make full use of to air conditioning system energy to need not use extra electric heater unit, thereby show the efficiency that promotes whole air conditioning system, solved air conditioning system simultaneously and to the not good problem of humidity control, realize humiture independent control's effect.
According to one embodiment of the invention, the first sorption wheel comprises a silica gel wheel, a zeolite wheel or a MOF wheel and the second sorption wheel comprises a molecular sieve wheel.
According to one embodiment of the invention, the double-rotary-wheel humidity adjusting device comprises a temperature and humidity sensor electrically connected with the air conditioning system, and the temperature and humidity sensor is arranged on the indoor air circulation pipe and is positioned at the inlet of the first refrigerating inner machine.
According to one embodiment of the invention, the part of the indoor air circulation pipe located at the outlet of the second refrigeration inner machine is communicated with the inlet of a third refrigeration inner machine of the air conditioning system, and the outlet of the third refrigeration inner machine is communicated with the indoor air supply pipe section of the indoor air circulation pipe.
According to one embodiment of the invention, the double-rotor humidity control device comprises a temperature sensor electrically connected with the air conditioning system, and the temperature sensor is arranged at the position of the indoor air supply pipe section.
According to one embodiment of the invention, the indoor air circulation pipe comprises a first air return pipe section and a second air return pipe section, the first air return pipe section is communicated with the inlet of the first refrigeration inner machine through a first control valve, and the second air return pipe section is communicated with the inlet of the second refrigeration inner machine through a second control valve.
A second aspect of the present invention provides an air conditioning system comprising: the air conditioner comprises a refrigerant loop, a first air conditioning system, a second air conditioning system and a third air conditioning system, wherein the refrigerant loop is formed by connecting a compressor, an outdoor heat exchanger, a throttling device, a first refrigerating inner machine, a second refrigerating inner machine, a third refrigerating inner machine, a first heating inner machine and a second heating inner machine; the air exchange system comprises the double-rotary-wheel humidity adjusting device according to the first aspect of the invention, and the double-rotary-wheel humidity adjusting device are connected with an air loop and a refrigerant loop of an indoor unit of the air conditioning system.
The air conditioning system provided by the invention combines and cooperates the multi-split air conditioning system and the double-rotating-wheel dehumidifying device, the multi-split air conditioning system can pre-cool the treated air to improve the dehumidifying capacity of the double-rotating-wheel dehumidifying device, and the recycling of condensation heat of all refrigeration inner machines in the whole set of air conditioning system can be realized. In addition, this system can also adjust dry air's air supply temperature, and then realize the independent accurate control to low humidity environment places air supply humiture such as lithium cell workshop. The heat recovery multi-split air conditioner is adopted, all indoor units can be flexibly switched between refrigeration and heating, the refrigeration indoor units can adjust the temperature or relative humidity of the processed air, and the heating indoor units can preheat the regenerated air of the double-rotary-wheel dehumidifying device, so that the utilization efficiency of the whole air conditioning system to energy can be improved.
In addition, in the double-rotary-wheel dehumidification device, the first adsorption rotary wheel adopts the silica gel rotary wheel, the dehumidification amount of the silica gel rotary wheel is relatively large, and the silica gel rotary wheel can efficiently dehumidify air with high moisture content. The second adsorption type rotating wheel adopts a molecular sieve rotating wheel, the dehumidification amount of the molecular sieve rotating wheel is relatively small, but the molecular sieve rotating wheel can further deeply dehumidify low-humidity air. Therefore, the silica gel rotating wheel and the molecular sieve rotating wheel are combined, and the gradient dehumidification and the deep dehumidification of the processed air can be realized.
According to one embodiment of the invention, the compressor and the outdoor heat exchanger form an outdoor unit, the throttling device, the first refrigerating indoor unit, the second refrigerating indoor unit, the third refrigerating indoor unit, the first heating indoor unit and the second heating indoor unit form an indoor unit, the refrigerant loop comprises a refrigerant distributor and three refrigerant pipes, the refrigerant distributor is used for communicating the outdoor unit and the indoor unit, and the refrigerant loop controls the refrigerant flow direction and the refrigerant flow rate of the outdoor unit and the indoor unit through the refrigerant distributor.
The third aspect of the present invention also provides a control method of an air conditioning system, the control method of an air conditioning system being implemented by the air conditioning system of the second aspect of the present invention, the control method comprising: acquiring a real-time humidity value and a target humidity value at an inlet of a first refrigeration indoor unit; controlling the return air of the air conditioning system to pass through a first return air pipe section communicated with the first refrigeration indoor unit to enter an indoor air circulation pipe according to the fact that the real-time humidity value is larger than the target humidity value; and controlling the return air of the air conditioning system to pass through a second return air pipe section communicated with the second refrigerating inner machine and enter an indoor air circulating pipe according to the real-time humidity value being less than or equal to the target humidity value.
According to an embodiment of the invention, the control method further comprises: acquiring a target temperature threshold value and a real-time temperature value of an indoor air supply pipe section of an air conditioning system; and adjusting the evaporating temperature and the refrigerant flow of a third refrigerating inner machine of the air conditioning system until the real-time temperature value is within the target temperature threshold value according to the fact that the real-time temperature value is outside the target temperature threshold value.
The fourth aspect of the present invention also provides a controller including a computer-readable storage medium having instructions stored therein, and a control device that, when executed by the control device, implements a control method of an air conditioning system according to the third aspect of the present invention, the control device including: the acquisition module is used for acquiring a target humidity value and a real-time humidity value of the air conditioning system; the control module is used for controlling return air of the air conditioning system to pass through the indoor air circulation pipe through a first return air pipe section communicated with the first refrigeration indoor unit according to the fact that the real-time humidity value is larger than the target humidity value; the control module is also used for controlling the return air of the air conditioning system to pass through a second return air pipe section communicated with the second refrigerating indoor unit to enter an indoor air circulating pipe according to the real-time humidity value being less than or equal to the target humidity value.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram of an air conditioning system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an air conditioning system according to another embodiment of the present invention;
fig. 3 is a flowchart of a control method of an air conditioning system according to an embodiment of the present invention;
fig. 4 is a flowchart of a control method of an air conditioning system according to another embodiment of the present invention;
fig. 5 is a flowchart of a control method of an air conditioning system according to still another embodiment of the present invention;
FIG. 6 is a block diagram of a controller according to an embodiment of the present invention;
fig. 7 is a block diagram illustrating a control apparatus of an air conditioning system according to an embodiment of the present invention;
wherein the reference numerals are:
1. an outdoor unit; 2. a refrigerant distributor; 4. a first heater; 5. a first adsorption type runner; 6. a second heater; 7. a second adsorption type runner; 8. a first control valve; 9. a second control valve; RA, return air pipe section; SA, indoor air supply pipe section; OA, outdoor air inlet pipe section; EA. An outdoor exhaust duct section; A. an inlet of a first refrigeration indoor unit; B. an inlet of a second refrigeration indoor unit; C. an outlet of the second refrigeration indoor unit; D. an outlet of the third refrigeration indoor unit; 301. a first refrigeration indoor unit; 302. a first heating inner machine; 303. a second refrigeration indoor unit; 304. a second heating inner machine; 305. a third refrigeration indoor unit; 101. a first temperature and humidity sensor; 102. a second temperature and humidity sensor; 103. a third temperature and humidity sensor; 104. a temperature sensor.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the dual-rotor humidity control device of the present invention is not only limited to be applied to a three-pipe heating recovery multi-split system, but also applicable to other types of air conditioning systems, and such adjustment belongs to the protection scope of the dual-rotor humidity control device of the present invention.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof.
For convenience of description, spatially relative terms, such as "upper", "inner", "near", "outer", "side", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. This spatially relative relationship is intended to encompass different orientations of the mechanism in use or operation in addition to the orientation depicted in the figures. For example, if the mechanism in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The mechanism may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1, a first aspect of the present invention provides a dual-rotor humidity control apparatus, which includes a first adsorption rotor 5, a second adsorption rotor 7, an indoor air circulation pipe and an outdoor fresh air circulation pipe, wherein a moisture absorption portion of the first adsorption rotor 5 is disposed at a position close to a first refrigeration indoor unit 301 of an air conditioning system 100, a water release portion of the first adsorption rotor 5 is disposed at a position close to a first heating indoor unit 302 of the air conditioning system 100, a moisture absorption portion of the second adsorption rotor 7 is disposed at a position close to a second refrigeration indoor unit 303 of the air conditioning system 100, a water release portion of the second adsorption rotor 7 is disposed at a position close to the second heating indoor unit 304 of the air conditioning system 100, and the indoor air circulation pipe sequentially communicates with the first refrigeration indoor unit 301, the moisture absorption portion of the first adsorption rotor 5, the second refrigeration indoor unit 303 and the moisture absorption portion of the second adsorption rotor 7, the outdoor fresh air circulating pipe is communicated with the first heating inner machine 302, the water release part of the first adsorption type runner 5, the second heating inner machine 304 and the water release part of the second adsorption type runner 7 in sequence.
In this embodiment, the dual-rotor humidity control apparatus provided by the present invention can regenerate moisture by using a low-temperature heat source generated by the air conditioning system 100, the material used by the first adsorption rotor 5 includes, but is not limited to, MOF (metal-organic framework), mesoporous silica gel, or zeolite, the second adsorption rotor 7 includes, but is not limited to, a molecular sieve rotor, the moisture absorption portion of the adsorption rotor increases the relative humidity of air at the moisture absorption portion by placing a refrigeration rotor in evaporation mode, so as to increase the moisture absorption capacity, and at the same time, a heating rotor and a heater (including the first heater 4 and the second heater 6) in condensation mode are placed at the water release portion to heat air, so as to achieve the effect of regenerating moisture by the adsorption rotor, and the outdoor fresh air circulation pipe includes an outdoor air intake pipe OA and an outdoor air exhaust pipe EA. The embodiment of this application is through the make full use of to air conditioning system energy to need not use extra electric heater unit, thereby show the efficiency that promotes whole air conditioning system 100, solved air conditioning system 100 simultaneously and controlled the not good problem of humidity, realize humiture independent control's effect.
As shown in fig. 2, according to an embodiment of the present invention, the indoor air circulation pipe includes a return air pipe section RA (including a first return air pipe section, a second return air pipe section), a connection pipe section, and an indoor supply air pipe section SA, the first return air pipe section is communicated with an inlet of the first refrigeration indoor unit 301 through the first control valve 8, the second return air pipe section is communicated with an inlet of the second refrigeration indoor unit 303 through the second control valve 9, a moisture absorption portion of the first adsorption rotor 5 is communicated with a moisture absorption portion of the second adsorption rotor 7 through the connection pipe section, and indoor return air flows into the indoor air circulation pipe through the first return air pipe section or the second return air pipe section and then flows out of the indoor air circulation pipe through the indoor supply air pipe section SA. Specifically, the double-runner humidity control device comprises a first temperature and humidity sensor 101 electrically connected with the air conditioning system 100, the first temperature and humidity sensor 101 is arranged on the indoor air circulation pipe and located at the position of an inlet A of a first refrigeration indoor unit, and the double-runner humidity control device controls indoor return air to flow into the indoor air circulation pipe through a first return air pipe section or a second return air pipe section according to humidity information detected by the first temperature and humidity sensor 101.
With continued reference to fig. 2, further, according to an embodiment of the present invention, the portion of the indoor air circulation pipe located at the outlet of the second refrigeration inner machine 303 is communicated with the inlet of the third refrigeration inner machine 305 of the air conditioning system 100, the outlet of the third refrigeration inner machine 305 is communicated with the indoor air supply pipe section of the indoor air circulation pipe, and the dual-wheel humidity control device adjusts the indoor air supply temperature in the indoor air supply pipe section SA through the third refrigeration inner machine 305. Specifically, the dual-rotor humidity control device includes a temperature sensor 104 electrically connected to the air conditioning system 100, the temperature sensor 104 is disposed at the position of the indoor air supply duct section SA or the outlet D of the third refrigeration indoor unit, and the dual-rotor humidity control device controls the evaporation temperature and the refrigerant flow rate of the third refrigeration indoor unit 305 according to temperature information detected by the temperature sensor 104.
With continuing reference to fig. 1 and 2, according to the embodiment of the present invention, the dual-rotor humidity control apparatus includes a second temperature and humidity sensor 102 electrically connected to the air conditioning system 100, the second temperature and humidity sensor 102 is disposed on the indoor air circulation pipe at a position of the inlet B of the second refrigeration indoor unit, and the dual-rotor humidity control apparatus controls the evaporation temperature and the refrigerant flow rate of the first refrigeration indoor unit 301, and the rotation speed and the regeneration air flow rate of the first adsorption rotor 5 according to the humidity information detected by the second temperature and humidity sensor 102. The double-runner humidity control device comprises a third temperature and humidity sensor 103 electrically connected with the air conditioning system 100, the third temperature and humidity sensor 103 is arranged on an indoor air circulation pipe and located at the position of an outlet C of the second refrigeration indoor unit, and the double-runner humidity control device controls the evaporation temperature and the refrigerant flow of the second refrigeration indoor unit 303 and the rotating speed and the regeneration air flow of the second adsorption runner 7 according to humidity information detected by the third temperature and humidity sensor 103.
With continuing reference to fig. 1 and fig. 2, in a second aspect of the present invention, an air conditioning system is provided, in which the air conditioning system 100 includes a refrigerant loop and an air exchanging system, the refrigerant loop is formed by connecting a compressor, an outdoor heat exchanger, a throttling device, a first refrigeration indoor unit 301, a second refrigeration indoor unit 303, a third refrigeration indoor unit 305, a first heating indoor unit 302 and a second heating indoor unit 304, the indoor unit air loop of the air conditioning system 100 is in thermal contact with the refrigerant loop, the air exchanging system includes a dual-runner humidity conditioning device according to the first aspect of the present invention, and the dual-runner humidity conditioning device are connected with the indoor unit air loop and the refrigerant loop of the air conditioning system 100.
The air conditioning system is a multi-split system which has three pipes for heat recovery and can realize simultaneous refrigeration and heating, an outdoor unit 1 consists of a compressor and an outdoor heat exchanger, an indoor unit consists of a throttling device, a first refrigeration indoor unit 301, a second refrigeration indoor unit 303, a third refrigeration indoor unit 305, a first heating indoor unit 302 and a second heating indoor unit 304, a refrigerant loop comprises a refrigerant distributor 2 and three refrigerant pipes which are used for communicating the outdoor unit 1 and the indoor unit, and the refrigerant loop controls the refrigerant flow direction and the refrigerant flow rate of the outdoor unit 1 and the indoor unit through the refrigerant distributor 2. Specifically, the three refrigerant pipes are a high-pressure air pipe, a high-pressure liquid pipe and a low-pressure liquid pipe, and the refrigerants in the three refrigerant pipes are sent to indoor designated indoor units according to the demands of users in the refrigerant distributor 2.
The air conditioning system jointly cooperates the multi-split air conditioning system and the double-rotating-wheel dehumidifying device, the multi-split air conditioning system can pre-cool the treated air to improve the dehumidifying capacity of the double-rotating-wheel dehumidifying device, and can also realize the recycling of condensation heat of all the refrigerating inner machines in the whole set of air conditioning system 100. In addition, this system can also adjust dry air's air supply temperature, and then realize the independent accurate control to low humidity environment places air supply humiture such as lithium cell workshop. The heat recovery multi-split air conditioner is adopted, all indoor units can be flexibly switched between refrigeration and heating, the refrigeration indoor units can adjust the temperature or relative humidity of the processed air, and the heating indoor units can preheat the regenerated air of the double-rotary-wheel dehumidifying device, so that the utilization efficiency of the whole air conditioning system to energy can be improved.
In addition, in the double-rotary-wheel dehumidification device, the first adsorption rotary wheel 5 adopts a silica gel rotary wheel, the dehumidification amount of the silica gel rotary wheel is relatively large, and the silica gel rotary wheel can efficiently dehumidify air with high moisture content. The second adsorption rotor 7 is a molecular sieve rotor, which has a relatively small dehumidification amount, but can further deeply dehumidify the low-humidity air. Therefore, the silica gel rotating wheel and the molecular sieve rotating wheel are combined, and the gradient dehumidification and the deep dehumidification of the processed air can be realized.
As shown in fig. 3, according to an embodiment of the third aspect of the present invention, an embodiment of the present invention provides a control method of an air conditioning system, the control method including: s10, acquiring a real-time humidity value and a target humidity value at an inlet of the first refrigeration indoor unit; s12, controlling return air of the air conditioning system to pass through a first return air pipe section communicated with the first refrigeration indoor unit to enter an indoor air circulation pipe according to the fact that the real-time humidity value is larger than the target humidity value; and S14, controlling the return air of the air conditioning system to pass through a second return air pipe section communicated with the second refrigerating indoor unit to enter an indoor air circulating pipe according to the real-time humidity value being less than or equal to the target humidity value.
In this embodiment, the dual-rotor humidity control device can regenerate moisture by using a low-temperature heat source generated by the air conditioning system, the moisture absorption part of the adsorption rotor increases the relative humidity of air at the moisture absorption part by placing a refrigeration indoor unit in an evaporation mode, so as to increase the moisture absorption amount, and meanwhile, the moisture release part is placed with a heating indoor unit in a condensation mode to heat air, so as to achieve the effect of regenerating moisture by the adsorption rotor. The embodiment of this application is through the make full use of to air conditioning system energy to need not use extra electric heater unit, thereby show the efficiency that promotes whole air conditioning system, solved air conditioning system simultaneously and to the not good problem of humidity control, realize humiture independent control's effect.
According to an embodiment of the invention, the control method further comprises: acquiring a target temperature threshold value and a real-time temperature value of an indoor air supply pipe section of an air conditioning system; and adjusting the evaporation temperature and the refrigerant flow of a third refrigerating inner machine of the air conditioning system according to the fact that the real-time temperature value is outside the target temperature threshold value.
In this embodiment, the dual-rotor humidity control device includes a temperature sensor electrically connected to the air conditioning system, the temperature sensor is disposed at a position of the indoor air supply pipe section, and the dual-rotor humidity control device controls the evaporating temperature and the refrigerant flow rate of the third refrigeration indoor unit according to the temperature information detected by the temperature sensor, so that the indoor air supply reaches within a target temperature threshold, thereby achieving the purpose of accurately controlling the indoor air supply temperature.
In order to fully and specifically explain the control method of the air conditioning system according to the third aspect of the present invention, fig. 4 and 5 disclose detailed flowcharts of the control method of the air conditioning system:
as shown in fig. 4, the first temperature/humidity sensor 101 monitors the temperature and humidity of the air at a, and then calculates the moisture content of the air at a. If the moisture content of the air at the position a is greater than the first target humidity value d1, the first refrigeration indoor unit 301, the first heating indoor unit 302 and the first heater 4 are all turned on to operate, the first adsorption type runner 5 rotates to achieve the dehumidification effect, and the indoor return air passes through the first refrigeration indoor unit 301 and the first adsorption type runner 5 in sequence. The second temperature/humidity sensor 302 monitors the temperature and humidity of the air at B, and then calculates the moisture content of the air at B. If the air moisture content at B is equal to or less than the first target humidity value d1, the dehumidification amount of the second adsorption rotor 7 is kept unchanged, and if the air moisture content at B is greater than the first target humidity value d1, the dehumidification amount of the first adsorption rotor 5 is adjusted until the air moisture content at B is equal to or less than the first target humidity value d 1. The dehumidification amount of the first adsorption rotor 5 can be controlled by adjusting the regeneration air volume, the rotor rotation speed, the regeneration temperature of the first adsorption rotor 5, and the evaporation temperature or the refrigerant flow rate of the first refrigeration indoor unit 301.
As shown in fig. 5, if the air moisture content at a is equal to or less than the first target humidity value d1, the first refrigeration indoor unit 301, the first heating indoor unit 302, and the first heater 4 are all turned off, and the first adsorption rotor 5 stops rotating, the indoor return air is directly introduced into the inlet of the second refrigeration indoor unit 303, and the treated air having a moisture content equal to or less than the first target humidity value d1 passes through the second refrigeration indoor unit 303 and the second adsorption rotor 7 in this order. The third temperature and humidity sensor 103 monitors the temperature and humidity of the air at the C, and further calculates the moisture content of the air at the C, if the moisture content of the air at the C is less than or equal to the second target humidity value d2, the dehumidification amount of the second adsorption-type runner 7 is kept unchanged, and if the moisture content of the air at the C is greater than the second target humidity value d2, the dehumidification amount of the second adsorption-type runner 7 is adjusted until the moisture content of the air at the C is less than or equal to the second target humidity value d 2. The dehumidification amount of the second adsorption rotor 7 can be controlled by adjusting the regeneration air volume, the rotor speed, the regeneration temperature of the second adsorption rotor 7, and the evaporation temperature or the refrigerant flow of the second refrigeration indoor unit 303.
The processed air with the moisture content less than or equal to the second target humidity value D2 is then subjected to temperature adjustment by the third refrigeration indoor unit 305, the temperature sensor 104 monitors the temperature of the air at the position D, if the temperature of the air at the position D is within the range of the target temperature threshold value T3 +/-delta T, the evaporation temperature and the refrigerant flow rate of the third refrigeration indoor unit 305 are kept unchanged, if the temperature of the air at the position D is outside the range of the target temperature threshold value T3 +/-delta T, the evaporation temperature or the refrigerant flow rate of the third refrigeration indoor unit 305 is adjusted until the temperature of the air at the position D is within the range of the target temperature threshold value T3 +/-delta T, and then the supplied air meeting the requirements is blown into a required environment.
As shown in fig. 6 and 7, a fourth aspect of the present invention further provides a controller 200, the controller 200 of the present embodiment includes a control device 210 and a computer-readable storage medium 220, the computer-readable storage medium 220 stores therein instructions, and when the control device 210 executes the instructions, the control method of the air conditioning system according to the third aspect of the present invention can be implemented, the control device includes: the acquisition module is used for acquiring a target humidity value and a real-time humidity value of the air conditioning system; the control module is used for controlling return air of the air conditioning system to pass through the indoor air circulation pipe through a first return air pipe section communicated with the first refrigeration indoor unit according to the fact that the real-time humidity value is larger than the target humidity value; the control module is also used for controlling the return air of the air conditioning system to pass through a second return air pipe section communicated with the second refrigerating indoor unit to enter an indoor air circulating pipe according to the real-time humidity value being less than or equal to the target humidity value.
The acquisition module is further configured to: acquiring a target temperature threshold value and a real-time temperature value of an indoor air supply pipe section of an air conditioning system; the control module is further configured to: and adjusting the evaporation temperature and the refrigerant flow of a third refrigerating inner machine of the air conditioning system according to the fact that the real-time temperature value is outside the target temperature threshold value.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solutions of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and these simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.
Those skilled in the art will appreciate that all or part of the steps in the method according to the above embodiments may be implemented by a program, which is stored in a computer-readable storage medium 220 and includes several instructions for causing a control device 210 (which may be a single chip, a chip, or the like) or a control device (such as a processor) to execute all or part of the steps in the method according to the various embodiments of the present application. And the aforementioned computer-readable storage medium 220 includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (11)
1. A dual-rotor humidity control apparatus is characterized by comprising:
the moisture absorption part of the first adsorption type rotating wheel is arranged at a position close to a first refrigerating inner machine of an air conditioning system, and the water release part of the first adsorption type rotating wheel is arranged at a position close to a first heating inner machine of the air conditioning system;
the moisture absorption part of the second adsorption type rotating wheel is arranged at a position close to a second refrigerating indoor unit of the air conditioning system, and the water release part of the second adsorption type rotating wheel is arranged at a position close to a second heating indoor unit of the air conditioning system;
the indoor air circulating pipe is communicated with the first refrigerating inner machine, the moisture absorption part of the first adsorption type rotating wheel, the second refrigerating inner machine and the moisture absorption part of the second adsorption type rotating wheel in sequence;
and the outdoor fresh air circulating pipe is communicated with the first heating inner machine and the water release part of the first adsorption type rotating wheel and the second heating inner machine and the water release part of the second adsorption type rotating wheel.
2. The dual rotor humidity conditioning apparatus of claim 1, wherein the first adsorptive rotor comprises a silica gel rotor, a zeolite rotor, or a MOF rotor, and the second adsorptive rotor comprises a molecular sieve rotor.
3. The dual-rotor humidity control device according to claim 1, wherein the dual-rotor humidity control device comprises a temperature and humidity sensor electrically connected to the air conditioning system, and the temperature and humidity sensor is disposed on the indoor air circulation pipe at a position of an inlet of the first indoor refrigeration unit.
4. The dual-wheel humidity control device according to claim 1, wherein a portion of the indoor air circulation pipe located at the outlet of the second refrigeration indoor unit is communicated with an inlet of a third refrigeration indoor unit of the air conditioning system, and an outlet of the third refrigeration indoor unit is communicated with an indoor air supply pipe section of the indoor air circulation pipe.
5. The dual-rotor humidity control device of claim 4, comprising a temperature sensor electrically connected to the air conditioning system, the temperature sensor being disposed at a position of the indoor air supply duct section.
6. The dual-rotor humidity conditioning device as claimed in claim 1, wherein the indoor air circulation pipe comprises a first air return pipe section and a second air return pipe section, the first air return pipe section is communicated with the inlet of the first refrigeration indoor unit through a first control valve, and the second air return pipe section is communicated with the inlet of the second refrigeration indoor unit through a second control valve.
7. An air conditioning system, characterized in that the air conditioning system comprises:
the air conditioner comprises a refrigerant loop, a first air conditioning system and a second air conditioning system, wherein the refrigerant loop is formed by connecting a compressor, an outdoor heat exchanger, a throttling device, a first refrigerating inner machine, a second refrigerating inner machine, a third refrigerating inner machine, a first heating inner machine and a second heating inner machine;
an air exchange system comprising the dual-rotor humidity control device according to any one of claims 1 to 6, the dual-rotor humidity control device being connected to the indoor unit air circuit and the refrigerant circuit of the air conditioning system.
8. The air conditioning system according to claim 7, wherein the compressor and the outdoor heat exchanger constitute an outdoor unit, the throttling device, the first refrigerating indoor unit, the second refrigerating indoor unit, the third refrigerating indoor unit, the first heating indoor unit and the second heating indoor unit constitute an indoor unit, the refrigerant circuit includes a refrigerant distributor and three refrigerant pipes, the refrigerant circuit controls a refrigerant flow direction and a refrigerant flow rate of the outdoor unit and the indoor unit through the refrigerant distributor.
9. A control method of an air conditioning system, characterized in that the control method of an air conditioning system is implemented by the air conditioning system of claim 7 or 8, the control method comprising:
acquiring a real-time humidity value and a target humidity value at an inlet of a first refrigeration indoor unit;
controlling the return air of the air conditioning system to be introduced into the indoor air circulating pipe through a first return air pipe section communicated with the first refrigerating indoor unit according to the fact that the real-time humidity value is larger than the target humidity value;
and controlling the return air of the air conditioning system to be introduced into the indoor air circulating pipe through a second return air pipe section communicated with the second refrigerating indoor unit according to the real-time humidity value being less than or equal to the target humidity value.
10. The control method of an air conditioning system according to claim 9, characterized by further comprising:
acquiring a target temperature threshold value and a real-time temperature value of an indoor air supply pipe section of the air conditioning system;
and adjusting the evaporation temperature and the refrigerant flow of a third refrigerating inner machine of the air conditioning system until the real-time temperature value is within the target temperature threshold value according to the fact that the real-time temperature value is outside the target temperature threshold value.
11. A controller characterized by comprising a computer-readable storage medium having instructions stored therein, and a control device that when executed performs a control method of an air conditioning system according to claim 9, the control device comprising:
the acquisition module is used for acquiring a target humidity value and a real-time humidity value of the air conditioning system;
the control module is used for controlling return air of the air conditioning system to be introduced into the indoor air circulating pipe through a first return air pipe section communicated with the first refrigerating indoor unit according to the fact that the real-time humidity value is larger than the target humidity value;
the control module is also used for controlling the return air of the air conditioning system to be introduced into the indoor air circulating pipe through a second return air pipe section communicated with the second refrigerating indoor unit according to the real-time humidity value being less than or equal to the target humidity value.
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| CN202110077773.XA CN112728661B (en) | 2021-01-20 | 2021-01-20 | Double-rotary-wheel humidity adjusting device, air conditioning system with double-rotary-wheel humidity adjusting device, control method and controller |
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