CN214249912U

CN214249912U - Air conditioning system

Info

Publication number: CN214249912U
Application number: CN202022608914.XU
Authority: CN
Inventors: 汪魁; 李大全; 杨蓉
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-09-21
Anticipated expiration: 2030-11-12

Abstract

The present application provides an air conditioning system. This air conditioning system includes magnetism refrigerating plant and solution dehydrating unit, and magnetism refrigerating plant includes the cold junction heat exchanger, and solution dehydrating unit includes the dehumidifier, and the cold junction heat exchanger carries out the heat transfer with the dehumidification solution that gets into the dehumidifier to cool down to the dehumidification solution before getting into the dehumidifier. According to the air conditioning system, the technical indexes of the air conditioning system can meet the use requirements of the air conditioner, and the practicability of the air conditioning system is promoted.

Description

Air conditioning system

Technical Field

The application relates to the technical field of magnetic refrigeration, in particular to an air conditioning system.

Background

The magnetic refrigeration technology is a solid refrigeration mode based on the magnetocaloric effect, adopts environment-friendly media such as water and the like as heat transfer fluid, has the characteristics of zero greenhouse effect, zero ozone layer damage, high intrinsic efficiency, low noise, low vibration and the like, and has wider application prospect in the room temperature range compared with the low-temperature field, such as the application in the fields of household refrigerators, air conditioners, medical health care and the like. Therefore, in recent ten years, the development of room temperature magnetic refrigeration technology has received general attention from countries all over the world, and has gained some attention.

From the situation disclosed by the magnetic refrigeration literature, the zero-load temperature span of the existing magnetic refrigeration prototype machine can reach 40K, and the refrigeration power during the zero-load temperature span can reach 3 kW. For an air conditioner, when the outdoor air temperature is 35 ℃, the dry bulb temperature of indoor air is required to be maintained to be 27 ℃, the wet bulb temperature is required to be 19 ℃, in order to ensure the dehumidification effect, the temperature of a low-temperature heat exchanger is generally required to be about 5 ℃, the temperature of a high-temperature heat exchanger is not lower than 45 ℃ in consideration of heat resistance of the heat exchanger, namely, the magnetic refrigeration system is required to realize the refrigerating capacity of 2-10 kW under the refrigerating temperature span of 40K, however, for the magnetic refrigeration system, the refrigerating capacity is inevitably reduced due to large temperature span, the temperature span is reduced due to large refrigerating capacity, and the existing magnetic refrigeration system is difficult to meet the magnetic refrigeration requirement. Therefore, the technical indexes of the existing magnetic refrigeration have certain difference from the requirements of large-scale application of products such as air conditioners and the like.

SUMMERY OF THE UTILITY MODEL

Therefore, an object of the present invention is to provide an air conditioning system that can satisfy the specification of a magnetic refrigeration device to meet the use requirement of an air conditioner, and that promotes the practical use of the magnetic refrigeration device.

In order to solve the problem, the application provides an air conditioning system, including magnetism refrigerating plant and solution dehydrating unit, magnetism refrigerating plant includes the cold junction heat exchanger, and solution dehydrating unit includes the dehumidifier, and the cold junction heat exchanger carries out the heat transfer with the dehumidification solution that gets into the dehumidifier to cool down to the dehumidification solution before getting into the dehumidifier.

Preferably, after the dehumidified air enters the dehumidifier for dehumidification, the dehumidified air is blown out of the dehumidifier and exchanges heat with the cold-end heat exchanger.

Preferably, the solution dehumidifying device further comprises an electrodialysis regenerator, wherein the electrodialysis regenerator is connected with the dehumidifier, receives the dehumidified solution of the dehumidifier, and transmits the regenerated solution to the dehumidifier.

Preferably, the solution dehumidifying device further comprises a liquid storage tank, the solution after dehumidification is changed into a regeneration solution through the liquid storage tank, the solution after regeneration is changed into a dehumidification solution through the liquid storage tank, and the solution after dehumidification and the solution after regeneration exchange heat in the liquid storage tank.

Preferably, the solution dehumidification device further comprises a photovoltaic panel electrically connected to and powering the electrodialysis regenerator.

Preferably, the regeneration solution exchanges heat with the photovoltaic panel and then enters an electrodialysis regenerator for regeneration.

Preferably, the magnetic refrigeration device further comprises a hot-end heat exchanger, and the regeneration solution enters the electrodialysis regenerator for regeneration after exchanging heat with the hot-end heat exchanger.

Preferably, the cold-end heat exchanger includes at least two parallelly connected sub-cold-end heat exchangers, wherein first sub-cold-end heat exchanger carries out the heat transfer with the dehumidification solution that gets into the dehumidifier, and second sub-cold-end heat exchanger carries out the heat transfer with the air, and the dehumidification solution after the cooling is firstly passed through to the dehumidified air is through the refrigeration of second sub-cold-end heat exchanger again.

Preferably, the air conditioning system further comprises an independent cold source, the independent cold source is mutually independent of the magnetic refrigeration device, and the dehumidified air is dehumidified by the dehumidified solution after being cooled and then is refrigerated by the independent cold source.

Preferably, the independent cold source is magnetic refrigeration, vapor compressor refrigeration or evaporative cooling refrigeration.

Preferably, the magnetic refrigeration device further comprises a heat exchange pipeline, a hot end heat exchanger, a magnet assembly, a first cold storage assembly and a second cold storage assembly, the magnet assembly is configured to form a magnetizing region and a demagnetizing region, when one of the first cold storage assembly and the second cold storage assembly is located in the magnetizing region, the other one of the first cold storage assembly and the second cold storage assembly is located in the demagnetizing region, the heat exchange pipeline is communicated with the first cold storage assembly and the second cold storage assembly, heat exchange fluid in the heat exchange pipeline flows through the cold storage assembly located in the magnetizing region and then enters the hot end heat exchanger for heat exchange, and heat exchange fluid in the heat exchange pipeline flows through the cold storage assembly located in the demagnetizing region and then enters the cold end heat exchanger for heat exchange.

Preferably, the magnet assembly includes an inner permanent magnet assembly and an outer permanent magnet assembly, an annular magnetic field generation region is formed between the inner permanent magnet assembly and the outer permanent magnet assembly, and the first regenerator assembly and the second regenerator assembly are disposed in the magnetic field generation region.

Preferably, the inner permanent magnet assembly can rotate relative to the outer permanent magnet assembly, the first regenerator assembly and the second regenerator assembly are fixed relative to the outer permanent magnet assembly, and the heat exchange pipeline is communicated with the first regenerator assembly and the second regenerator assembly through the switching valve so as to switch the communication state of the heat exchange pipeline when the first regenerator assembly and the second regenerator assembly switch the magnetic field area.

Preferably, the magnetic refrigeration device further comprises a motor, a transmission device and a main shaft, the inner permanent magnet assembly is installed on the main shaft and can rotate along with the main shaft, and the motor is connected with the main shaft through the transmission device so as to drive the main shaft to rotate.

Preferably, the hot ends of the first cold accumulator assembly and the second cold accumulator assembly are provided with a hot end fluid distributor, the cold ends of the first cold accumulator assembly and the second cold accumulator assembly are provided with a cold end fluid distributor, the heat exchange pipeline can be selectively communicated with the hot ends of the first cold accumulator assembly and the second cold accumulator assembly through the hot end fluid distributor, and the heat exchange pipeline can be selectively communicated with the cold ends of the first cold accumulator assembly and the second cold accumulator assembly through the cold end fluid distributor.

The application provides an air conditioning system, including magnetism refrigerating plant and solution dehydrating unit, magnetism refrigerating plant includes the cold junction heat exchanger, and solution dehydrating unit includes the dehumidifier, and the cold junction heat exchanger carries out the heat transfer with the dehumidification solution that gets into the dehumidifier to cool down to the dehumidification solution before getting into the dehumidifier. The air conditioning system combines the magnetic refrigeration device and the solution dehumidification device together, so that the magnetic refrigeration device and the solution dehumidification device can form cooperation, the solution dehumidification device can be utilized to dehumidify indoor air, latent heat of the indoor air is eliminated, the temperature span of the magnetic refrigeration device in the air conditioning dehumidification process is reduced, the magnetic refrigeration device can provide cold energy for indoor refrigeration and can provide cold energy required by dehumidification of a dehumidifier, the temperature required by solution dehumidification is higher than the dehumidification temperature required by the conventional condensation dehumidification process, so that the energy-saving effect can be achieved, the condensation temperature required by the magnetic refrigeration device is reduced, the magnetic refrigeration system can achieve air conditioning application under a smaller temperature span, the technical index that the magnetic refrigeration device meets the use requirement of an air conditioner is reduced, and under the cooperation effect of the solution dehumidification device, the magnetic refrigeration device can achieve larger refrigeration amount under a relatively smaller temperature span, thereby further promoting the practical use of the magnetic refrigeration technology.

Drawings

Fig. 1 is a schematic structural diagram of an air conditioning system according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of an air conditioning system according to an embodiment of the present application.

The reference numerals are represented as:

100. an electrodialysis regenerator; 110. a concentration chamber; 120. a desalting chamber; 130. an anion exchange membrane; 140. a cation exchange membrane; 150. a desalination liquid tank; 160. a photovoltaic panel; 210. an inner permanent magnet assembly; 211. a first regenerator assembly; 212. a second regenerator assembly; 220. an outer permanent magnet assembly; 231. a cold side fluid distributor; 232. a hot side fluid distributor; 241. a cold end outlet for the heat exchange fluid; 242. a heat exchange fluid cold end inlet; 243. a heat end outlet for the heat exchange fluid; 244. a heat exchange fluid hot end inlet; 300. a dehumidifier; 301. air to be dehumidified; 302. air after dehumidification; 310. an air circulation pump; 400. a liquid storage tank; 410. a first solution pump; 420. a second solution pump; 411. a dehumidifying solution; 412. a low temperature solution; 413. solution after dehumidification; 421. regenerating the solution; 423. a regenerated solution; 520. a cold end heat exchanger; 510. a hot end heat exchanger; 600. a heat exchange fluid pump; 700. a motor; 710. a transmission device; 720. a main shaft.

Detailed Description

Referring to fig. 1 to 2 in combination, according to an embodiment of the present application, an air conditioning system includes a magnetic refrigeration device including a cold-end heat exchanger 520 and a solution dehumidification device including a dehumidifier 300, the cold-end heat exchanger 520 exchanges heat with a dehumidification solution before entering the dehumidifier 300 to cool the dehumidification solution entering the dehumidifier 300.

The air conditioning system combines the magnetic refrigeration device and the solution dehumidification device together, so that the magnetic refrigeration device and the solution dehumidification device can form cooperation, the solution dehumidification device can be used for dehumidifying indoor air, the latent heat of the indoor air is eliminated, the temperature span of the magnetic refrigeration device in the air conditioning dehumidification process is reduced, the magnetic refrigeration device can provide cold energy for indoor refrigeration and can also provide cold energy required by the dehumidifier 300 for dehumidification, the temperature required by the solution dehumidification is higher than the dehumidification temperature in the conventional condensation dehumidification process, so that the energy-saving effect can be achieved, the condensation temperature required by the magnetic refrigeration device is reduced, the air conditioning application of the magnetic refrigeration system is realized under a smaller temperature span, the technical index that the magnetic refrigeration device meets the use requirement of an air conditioner is reduced, and under the cooperation effect of the solution dehumidification device, the magnetic refrigeration device can realize larger refrigeration amount under a relatively smaller temperature span, thereby further promoting the practical use of the magnetic refrigeration technology.

The magnetic refrigeration device described above can be used not only for cooling but also for heating.

After entering the dehumidifier 300 for dehumidification, the air 301 to be dehumidified is blown out of the dehumidifier 300 and exchanges heat with the cold-end heat exchanger 520. In this embodiment, be provided with air inlet and air outlet on the dehumidifier 300, air inlet is provided with air circulation pump 310 for providing circulating power for indoor air dehumidification, wait that dehumidification air 301 enters into the dehumidifier 300 from air inlet under air circulation pump 310's effect, after dehumidifying in the dehumidifier 300, the air 302 flows out from the air outlet after the dehumidification, enter into indoorly, then air 302 and cold junction heat exchanger 520 carry out the heat transfer after the dehumidification, and reach indoor temperature's regulation requirement under the effect of cold junction heat exchanger 520.

In this embodiment, air dehumidification is carried out through solution dehydrating unit, and air temperature adjusts and goes on through cold junction heat exchanger 520, consequently can realize the independent control of humiture, can effectively reduce the required cold volume of temperature control in-process, realizes energy-conserving effect, reduces magnetic refrigeration device's refrigeration load, improves magnetic refrigeration device's work efficiency.

In one embodiment, the cold-end heat exchanger 520 includes at least two sub-cold-end heat exchangers connected in parallel, wherein a first sub-cold-end heat exchanger exchanges heat with the dehumidifying solution entering the dehumidifier 300, and a second sub-cold-end heat exchanger exchanges heat with air, and the dehumidified air is firstly dehumidified by the dehumidifying solution after being cooled, and then is cooled by the second sub-cold-end heat exchanger.

In one embodiment, the air conditioning system further comprises an independent cold source, the independent cold source is independent of the magnetic refrigeration device, and the dehumidified air is dehumidified by the dehumidified solution after being cooled and then is refrigerated by the independent cold source.

The independent cold source is magnetic refrigeration, vapor compressor refrigeration or evaporative cooling refrigeration and the like.

The solution dehumidifying apparatus further includes an electrodialysis regenerator 100, wherein the electrodialysis regenerator 100 is connected to the dehumidifier 300, receives the dehumidified solution 413 of the dehumidifier 300, regenerates the dehumidified solution 413, and transmits the regenerated solution 423 to the dehumidifier 300 for dehumidification.

Electrodialysis is the directional migration of anions and cations in a solution through different ion exchange membranes by utilizing the selective permeability of a functional membrane under the drive of a direct-current electric field potential difference, so that the desalination, concentration, purification and refinement of the solution are realized. Solution dehumidification is a dehumidification mode which can effectively meet the requirement of air humidity regulation, and the energy consumption of the dehumidification mode mainly depends on the regeneration process of a liquid desiccant. The traditional heat regeneration is easily influenced by the temperature and the humidity of the environment, and the cooling process after regeneration also needs energy consumption. Compare traditional heat regeneration solution dehumidification system, electrodialysis solution dehumidification system has following advantage: the method is not influenced by the temperature and the humidity of the environment, and the dehumidifier can be stably regenerated under high humidity conditions; the traditional cooling energy consumption after thermal regeneration is not needed; liquid foam possibly caused by contact with ambient air in the thermal regeneration process is prevented from splashing to pollute the ambient air; the system efficiency can reach twice of the traditional heat regeneration, and the energy consumption is effectively saved.

The solution dehumidifying device further comprises a liquid storage tank 400, the dehumidified solution 413 is changed into a regenerated solution 421 through the liquid storage tank 400, the regenerated solution 423 is changed into a dehumidifying solution 411 through the liquid storage tank 400, and the dehumidified solution 413 and the regenerated solution 423 exchange heat in the liquid storage tank 400. The reservoir 400 has a solution concentration balancing function of the dehumidifying solution 411 and the post-dehumidifying solution 413, the regenerating solution 421 and the post-regenerating solution 423, and a heat balancing function.

In the liquid storage tank system, the dehumidification solution liquid storage tank and the regeneration solution liquid storage tank are integrally designed, the perforated partition plate is arranged in the middle of the tank to perform partial dehumidification/regeneration solution exchange and simultaneously undertake temperature total heat exchange recovery, the lower part of the integrated liquid storage tank is concentrated solution, the upper part of the integrated liquid storage tank is dilute solution, the dehumidified solution 413 and the regenerated solution 423 are dilute solution and are connected with an upper inlet of the integrated liquid storage tank, and the dehumidified solution 411 before dehumidification and the regenerated solution 421 before regeneration are concentrated solution and are connected with a lower outlet of the integrated liquid storage tank.

The electrodialysis regenerator 100 comprises a plurality of anion exchange membranes 130 and cation exchange membranes 140, the anion exchange membranes 130 and the cation exchange membranes 140 are matched to form a plurality of concentration chambers 110 and desalination chambers 120, and a regenerated solution 423 generated at an outlet of the concentration chamber 110 is connected with a reservoir 400; the inlet of the concentrating compartment 110 is connected to a first solution pump 410. The desalination liquid tank 150 is connected with a plurality of desalination chambers 120 on the electrodialysis regenerator 100 and is used for containing the desalinated solution in the desalination chambers 120.

The solution regeneration process replaces the conventional generator with an electrodialysis regenerator 100: when the system starts to operate, through the ion exchange membranes which are alternately arranged, anions and cations can selectively permeate the ion exchange membranes under the action of an electric field, so that the concentration chamber 110 and the desalination chamber 120 which are mutually separated in concentration are formed. Initially, the solution in the desalination chamber is supplied by the desalination tank 150, and the dehumidifier 300 is circulated between the concentration chamber 110 and the desalination chamber. The circulation is performed until all the solution in the desalination liquid tank 150 is desalinated to pure water, and the mass flow is increased due to the fact that ions between adjacent compartments are attracted in the concentration chamber in the circulation process, therefore, the excessive part of concentrated solution needs to be stored in the desalination liquid tank 150 when necessary, and the solution in the desalination liquid tank 150 is provided to the desalination chamber 120 as the feed liquid of the desalination liquid. The desalination liquid tank 150 can continuously complete the whole refrigeration cycle by continuously exchanging the functions of the desalination liquid tank in different circulation processes. Therefore, the desalination liquid tank 150 and the desalination chamber 120 are required to be circulated. In addition, in order to obtain better electrodialysis performance, the concentration difference between the regenerating and the desalinated solution should be minimized.

In one embodiment, the solution dehumidification device further comprises a photovoltaic panel 160, the photovoltaic panel 160 being electrically connected to the electrodialysis regenerator 100 and powering the electrodialysis regenerator 100. In the application, the solar photovoltaic panel 160 is used for supplying power to the electrodialysis regenerator 100, so that clean energy can be effectively utilized, and the effects of energy conservation and emission reduction are achieved.

The electrodialysis regenerator 100 can also be powered by other energy sources, such as direct connection to the mains or power supply through a battery.

In one embodiment, the magnetic refrigeration device further includes a heat exchange pipeline, a hot-end heat exchanger 510, a magnet assembly, a first cold storage assembly 211 and a second cold storage assembly 212, the magnet assembly is configured to form a magnetizing region and a demagnetizing region, when one of the first cold storage assembly 211 and the second cold storage assembly 212 is located in the magnetizing region, the other one is located in the demagnetizing region, the heat exchange pipeline is communicated with the first cold storage assembly 211 and the second cold storage assembly 212, a heat exchange fluid in the heat exchange pipeline flows through the cold storage assembly located in the magnetizing region and then enters the hot-end heat exchanger 510 for heat exchange, and a heat exchange fluid in the heat exchange pipeline flows through the cold storage assembly located in the demagnetizing region and then enters the cold-end heat exchanger 520 for heat exchange.

Magnet subassembly and regenerator subassembly are mutually supported, through adjusting the regional attribute in different regenerator subassemblies place magnetic field, realize adding magnetism and demagnetization control to regenerator subassembly, and then realize heating or cooling to the heat-transfer fluid.

In one embodiment, the magnet assembly includes an inner permanent magnet assembly 210 and an outer permanent magnet assembly 220, the inner permanent magnet assembly 210 and the outer permanent magnet assembly 220 form a circular magnetic field generation region therebetween, and the first regenerator assembly 211 and the second regenerator assembly 212 are disposed in the magnetic field generation region. In this embodiment, the outer permanent magnet assembly 220 is of an annular structure, is sleeved outside the inner permanent magnet assembly 210 and is matched with the inner permanent magnet assembly 210 to form an annular magnetic field generation region, and the positions of the magnetizing region and the demagnetizing region in the magnetic field generation region can be changed by adjusting the inner permanent magnet assembly 210 and the outer permanent magnet assembly 220, so that the magnetizing and demagnetizing adjustment of the regenerator assembly is realized.

In one embodiment, the relative positions of the inner permanent magnet assembly 210 and the outer permanent magnet assembly 220 may also be unchanged, that is, the positions of the magnetizing region and the demagnetizing region of the magnetic field generation region between the inner permanent magnet assembly 210 and the outer permanent magnet assembly 220 are unchanged, the rotating position of the regenerator assembly is adjusted by the driving mechanism to realize the adjustment of the magnetizing and demagnetizing of the regenerator assembly, or the position of the regenerator assembly is fixed, and the rotating positions of the inner permanent magnet assembly 210 and the outer permanent magnet assembly 220 are simultaneously driven by the driving mechanism to realize the adjustment of the magnetizing and demagnetizing of the regenerator assembly.

In one embodiment, the regenerator assembly and the inner permanent magnet assembly 210 are fixed and the outer permanent magnet assembly 220 is driven in motion by a drive mechanism.

In this embodiment, the inner permanent magnet assembly 210 can rotate relative to the outer permanent magnet assembly 220, the first regenerator assembly 211 and the second regenerator assembly 212 are fixed relative to the outer permanent magnet assembly 220, and the heat exchange pipeline is communicated with the first regenerator assembly 211 and the second regenerator assembly 212 through a switching valve, so as to switch the communication state of the heat exchange pipeline when the first regenerator assembly 211 and the second regenerator assembly 212 switch the magnetic field region.

Be in at first regenerator subassembly 211 and add the magnetism region, second regenerator subassembly 212 is in when demagnetizing the region, can switch heat transfer pipeline's connected state through the diverter valve, make the heat transfer fluid that is located the heat transfer pipeline of regenerator subassembly cold junction heat after entering into first regenerator subassembly 211 and heat, enter into hot junction heat exchanger 510 and carry out the heat transfer, hot junction heat exchanger 510 arranges the heat that first regenerator subassembly 211 produced outdoor, the heat transfer fluid that is located the heat transfer pipeline of regenerator subassembly hot junction is after entering into second regenerator subassembly 212 and cooling down simultaneously, enter into cold junction heat exchanger 520 and carry out the heat transfer, provide the cold volume that dehumidifies the cooling to the air for dehumidification solution.

The magnetic refrigeration device further comprises a motor 700, a transmission device 710 and a main shaft 720, wherein the inner permanent magnet assembly 210 is installed on the main shaft 720 and can rotate along with the main shaft 720, the motor is connected with the main shaft 720 through the transmission device to drive the main shaft 720 to rotate, and in the rotating process of the main shaft 720, the inner permanent magnet assembly 210 installed on the main shaft 720 rotates along with the main shaft 720 so as to be matched with the outer permanent magnet assembly 220 to form a magnetizing region and a demagnetizing region which rotate along the circumferential direction, so that the first regenerator assembly 211 and the second regenerator assembly 212 alternately perform periodic magnetizing and demagnetizing to generate heat and cold.

The hot ends of the first and second

cold accumulator assemblies

211 and 212 are provided with a hot end fluid distributor 232, the cold ends of the first and second

cold accumulator assemblies

211 and 212 are provided with a cold end fluid distributor 231, the heat exchange pipeline can be selectively communicated with the hot ends of the first and second

cold accumulator assemblies

211 and 212 through the hot end fluid distributor 232, and the heat exchange pipeline can be selectively communicated with the cold ends of the first and second

cold accumulator assemblies

211 and 212 through the cold end fluid distributor 231. The first regenerator assembly 211 and the second regenerator assembly 212 are magnetic regenerators.

The hot end of the regenerator assembly refers to the end with higher temperature of the heat exchange fluid entering the regenerator assembly, and the cold end of the regenerator assembly refers to the end with lower temperature of the heat exchange fluid entering the regenerator assembly. The hot end and the cold end are named after a cold storage assembly as a standard, the pipeline interfaces close to the hot end of the cold storage assembly are hot end ports, the fluid distributor and the heat exchanger close to the hot end of the cold storage assembly are respectively called a hot end fluid distributor 232 and a hot end heat exchanger 510, the pipeline interfaces close to the cold end of the cold storage assembly are cold end ports, and the fluid distributor and the heat exchanger close to the cold end of the cold storage assembly are respectively called a cold end fluid distributor 231 and a cold end heat exchanger 520.

The magnetic refrigeration device is only a schematic diagram, the regenerator assembly is provided with a plurality of regenerator units, one part of the regenerator units are magnetized, and the other part of the regenerator units are demagnetized, namely, the regenerator units are always refrigerating, and meanwhile, the regenerator units are always heating, the heat exchange fluid distributor comprises the function of a valve, is used for switching flow paths and is matched with the magnetizing and demagnetizing periods, the refrigerated heat exchange fluids are intensively cooled through the cold end heat exchange fluid distributor, some regenerator units are also always heating, and heat is supplied through one outlet concentrated by the heat exchange fluid distributor. Thereby realizing continuous cooling or heating. For a single regenerator unit, the flow direction of the heat transfer fluid is periodically changed, the magnetized heat transfer fluid flows to the hot side heat exchanger 510, and the demagnetized heat transfer fluid flows to the cold side heat exchanger 520.

The air conditioning system of the embodiment of the application is based on the magnetic refrigeration technology and based on the thought of independent temperature and humidity control, the cold-end heat exchanger 520 is transformed to be used as a solution-heat exchange fluid heat exchanger for exchanging heat with a dehumidification solution. The rotary magnetic refrigeration device realizes the periodical magnetization and demagnetization of the magnetocaloric material in the magnetic regenerator region in a relative rotation motion mode of the magnetic regenerator and the magnet, and forms a constant temperature span, and low-temperature heat exchange fluid flows out of an outlet of the cold-end fluid distributor 231 to provide a cold source for dehumidification solution to cool and dehumidify air; in the aspect of solution regeneration, the electrodialysis regenerator 100 is used for regeneration, and the solar photovoltaic panel 160 is used for providing electric energy for the electrodialysis regenerator 100, so that the dehumidification efficiency is improved.

The heat exchange fluid is, for example, a coolant.

The working process of the air conditioning system in the embodiment of the application is as follows:

working process of heat exchange fluid: the high temperature heat exchange fluid at the hot side outlet 243 of the heat exchange fluid of the air conditioning system is passed through a hot side heat exchanger 510 for heat dissipation, and then driven by heat exchange fluid pump 600 through heat exchange fluid hot side inlet 244 into hot side fluid distributor 232 for fluid distribution, then enters the first regenerator assembly 211 in the demagnetizing area for heat exchange, the cooled low-temperature heat exchange fluid is subjected to fluid distribution through the cold end fluid distributor 231, heat exchange is carried out through the cold end heat exchanger 520 from the cold end outlet 241 of the heat exchange fluid, the cold energy is transferred to the dehumidification solution to become the low-temperature and lower-temperature heat exchange fluid, enters the cold side fluid distributor 231 through the heat exchange fluid cold side inlet 242 for fluid distribution, and then enters the second regenerator assembly 212 in the magnetized region to become a high temperature heat exchange fluid, which is discharged from the hot end outlet 243 of the heat exchange fluid through the hot end fluid distributor 232, and the above cycle is repeated.

Working process of dehumidifying solution: the dehumidifying solution 411 is driven by the liquid storage tank 400 through the second solution pump 420 to flow into the cold-end heat exchanger 520, absorbs cold energy, becomes low-temperature solution 412, enters the dehumidifier 300, cools and dehumidifies the air 301 to be dehumidified, then becomes dehumidified solution 413, and flows back to the liquid storage tank 400; the regeneration solution 421 flows into the electrodialysis regenerator 100 through the reservoir 400 and the first solution pump 410, after regeneration and concentration, the solution concentration is increased, the solution 423 after being changed into regeneration flows back to the reservoir 400 and exchanges heat with the solution 413 after dehumidification in the reservoir 400, the solution 413 after heat exchange after dehumidification becomes the regeneration solution 421 and enters the electrodialysis regenerator 100, the solution 423 after heat exchange after regeneration becomes the dehumidification solution 411, and the solution enters the dehumidifier 300 after exchanging heat with the heat exchange fluid in the cold end heat exchanger 520 and becomes the low-temperature solution 412.

Air working process: the air 301 to be dehumidified is cooled and dehumidified by the low-temperature solution 412 in the dehumidifier 300, and is changed into dehumidified air 302 with appropriate temperature and humidity, and then sent into the indoor environmental space.

Referring collectively to fig. 2, in one embodiment, the regeneration solution 421 is regenerated by heat exchange with the photovoltaic panel 160 and then enters the electrodialysis regenerator 100.

In one embodiment, the magnetic refrigeration device further comprises a hot side heat exchanger 510, and the regeneration solution 421 enters the electrodialysis regenerator 100 for regeneration after exchanging heat with the heat exchange fluid in the hot side heat exchanger 510.

In one embodiment, the regeneration solution 421 flows out of the reservoir 400, and then enters the electrodialysis regenerator 100 for regeneration after sequentially exchanging heat with the heat exchange fluid in the hot-side heat exchanger 510 and the photovoltaic panel 160.

In this embodiment, before entering the electrodialysis regenerator 100 for regeneration, the regeneration solution 421 first exchanges heat with other devices, so that the heat generated by the magnetic refrigeration hot end also becomes a heat source required for providing the first thermal regeneration of the regeneration solution; meanwhile, the heat generated by the photovoltaic panel 160 is utilized in the first thermal regeneration, and the regenerated solution 421 enters the electrodialysis regenerator 100 for the second regeneration after the first thermal regeneration is completed, so that the heat generated by the magnetic refrigeration hot end and the photovoltaic panel 160 in the working process is more fully utilized, the energy utilization rate is improved, and the regeneration efficiency of the regenerated solution 421 can also be improved by utilizing the heat generated by the devices.

In this embodiment, the working flow of the heat exchange fluid is the same as that of the previous embodiment, and the working flow of the dehumidification solution is as follows:

the dehumidifying solution 411 is driven by the liquid storage tank 400 through the second solution pump 420 to flow into the cold-end heat exchanger 520, absorbs cold energy, becomes low-temperature solution 412, enters the dehumidifier 300, cools and dehumidifies the air 301 to be dehumidified, then becomes dehumidified solution 413, and flows back to the liquid storage tank 400; the regenerated solution 421 is driven by the first solution pump 410 through the liquid storage tank 400, flows into the hot-end heat exchanger 510 for heat exchange, absorbs heat generated by the hot end of the air conditioning system, and then absorbs heat generated by solar energy through the photovoltaic panel 160, so as to perform primary regeneration, the solution after primary regeneration flows into the electrodialysis regenerator 100, after secondary regeneration and concentration, the solution concentration is increased, the solution 423 after being changed into regeneration flows back to the liquid storage tank 400, and exchanges heat with the solution 413 after dehumidification in the liquid storage tank 400, the solution 413 after heat exchange after dehumidification becomes the regenerated solution 421 and enters the electrodialysis regenerator 100, the solution 423 after heat exchange after regeneration becomes the dehumidification solution 411, and after exchanging heat with the heat exchange fluid in the cold-end heat exchanger 520, the solution becomes the low-temperature solution 412 and then enters the dehumidifier 300.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims

1. The utility model provides an air conditioning system, its characterized in that, includes magnetism refrigerating plant and solution dehydrating unit, magnetism refrigerating plant includes the cold junction heat exchanger, solution dehydrating unit includes the dehumidifier, the cold junction heat exchanger with get into the dehumidification solution of dehumidifier carries out the heat transfer to the dehumidification solution that gets into before the dehumidifier cools down.

2. The air conditioning system as claimed in claim 1, wherein after the dehumidified air enters the dehumidifier for dehumidification, the dehumidified air is blown out of the dehumidifier and exchanges heat with the cold side heat exchanger.

3. The system of claim 1, wherein the solution dehumidifier further comprises an electrodialysis regenerator coupled to the dehumidifier for receiving the dehumidified solution from the dehumidifier and for delivering the regenerated solution to the dehumidifier.

4. The air conditioning system as claimed in claim 3, wherein the solution dehumidifying device further comprises a liquid storage tank, the dehumidified solution is changed into a regenerated solution through the liquid storage tank, the regenerated solution is changed into a dehumidified solution through the liquid storage tank, and the dehumidified solution and the regenerated solution exchange heat in the liquid storage tank.

5. The air conditioning system of claim 4, wherein the solution dehumidification device further comprises a photovoltaic panel electrically connected to and powering the electrodialysis regenerator.

6. The air conditioning system as claimed in claim 5, wherein the regeneration solution enters the electrodialysis regenerator for regeneration after exchanging heat with the photovoltaic panel.

7. The air conditioning system of claim 1 wherein said cold side heat exchanger comprises at least two sub-cold side heat exchangers in parallel, a first of said sub-cold side heat exchangers exchanging heat with the dehumidification solution entering said dehumidifier, a second of said sub-cold side heat exchangers exchanging heat with air, the dehumidified air being dehumidified by the reduced temperature dehumidification solution and then being cooled by the second of said sub-cold side heat exchangers.

8. The air conditioning system of claim 1, further comprising an independent cold source, wherein the independent cold source is independent of the magnetic refrigeration device, and dehumidified by the dehumidified air after being cooled by the dehumidifying solution, and then refrigerated by the independent cold source.

9. The air conditioning system as claimed in claim 8, wherein the independent cooling source is magnetic refrigeration, vapor compressor refrigeration or evaporative cooling refrigeration.

10. The air conditioning system as claimed in claim 4, wherein the magnetic refrigeration device further comprises a hot-end heat exchanger, and the regeneration solution enters the electrodialysis regenerator for regeneration after exchanging heat with the hot-end heat exchanger.

11. The air conditioning system according to any one of claims 1 to 9, wherein the magnetic refrigeration device further comprises a heat exchange pipeline, a hot end heat exchanger, a magnet assembly, a first cold accumulator assembly and a second cold accumulator assembly, the magnet assembly is configured to form a magnetizing region and a demagnetizing region, when one of the first cold accumulator assembly and the second cold accumulator assembly is located in the magnetizing region, the other one of the first cold accumulator assembly and the second cold accumulator assembly is located in the demagnetizing region, the heat exchange pipeline is communicated with the first cold accumulator assembly and the second cold accumulator assembly, the heat exchange fluid in the heat exchange pipeline flows through the cold accumulator assembly located in the magnetizing region and then enters the hot end heat exchanger for heat exchange, and the heat exchange fluid in the heat exchange pipeline flows through the cold accumulator assembly located in the demagnetizing region and then enters the cold end heat exchanger for heat exchange.

12. An air conditioning system according to claim 11 wherein the magnet assemblies comprise an inner permanent magnet assembly and an outer permanent magnet assembly forming an annular magnetic field generating region therebetween, the first and second regenerator assemblies being disposed within the magnetic field generating region.

13. An air conditioning system according to claim 12 wherein the inner permanent magnet assembly is rotatable relative to the outer permanent magnet assembly, the first and second regenerator assemblies are fixed relative to the outer permanent magnet assembly, and the heat exchange line is in communication with the first and second regenerator assemblies via a switching valve to switch the communication of the heat exchange line when the first and second regenerator assemblies switch magnetic field regions.

14. The air conditioning system as claimed in claim 13, wherein the magnetic refrigeration apparatus further comprises a motor, a transmission and a main shaft, the inner permanent magnet assembly is mounted on the main shaft and can rotate with the main shaft, and the motor is connected with the main shaft through the transmission to drive the main shaft to rotate.

15. An air conditioning system according to claim 13 wherein the hot ends of the first and second regenerator assemblies are provided with hot end fluid distributors and the cold ends of the first and second regenerator assemblies are provided with cold end fluid distributors, the heat exchange line being selectively communicable with the hot ends of the first and second regenerator assemblies via the hot end fluid distributors, the heat exchange line being selectively communicable with the cold ends of the first and second regenerator assemblies via the cold end fluid distributors.