CN213747109U - Air conditioning system - Google Patents

Abstract

The present application provides an air conditioning system. This air conditioning system includes magnetism refrigerating plant and solution dehydrating unit, magnetism refrigerating plant includes magnetic field generator, magnetism regenerator and cold junction heat exchange assemblies, magnetic field generator includes coil pack and iron core subassembly, the coil pack with the cooperation of iron core subassembly forms the magnetic field region of periodic variation, magnetism regenerator is located in the magnetic field region, solution dehydrating unit includes the dehumidifier, cold junction heat exchange assemblies and entering the dehumidification solution of dehumidifier carries out the heat transfer, in order to the entering dehumidification solution before the dehumidifier cools down. According to the air conditioning system of the application, the technical index of the magnetic refrigeration device can meet the use requirement of the air conditioner, and the practicability of the magnetic refrigeration device 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, this application provides an air conditioning system, including magnetism refrigerating plant and solution dehydrating unit, magnetism refrigerating plant includes magnetic field generator, magnetism regenerator and cold junction heat exchange assemblies, magnetic field generator includes coil pack and iron core subassembly, the coil pack with the iron core subassembly cooperation forms the magnetic field region of periodic variation, the magnetism regenerator is located in the magnetic field region, solution dehydrating unit includes the dehumidifier, cold junction heat exchange assemblies and entering the dehumidification solution of dehumidifier carries out the heat transfer, in order to get into dehumidification solution before the dehumidifier cools down.

Preferably, after the dehumidified air enters the dehumidifier for dehumidification, the dehumidified air exchanges heat with the cold end heat exchange assembly; or the air to be dehumidified enters the dehumidifier to be dehumidified and cooled.

Preferably, the solution dehumidifying apparatus further comprises a regenerator, wherein the regenerator is connected to the dehumidifier, receives the dehumidified solution from 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 coil assembly comprises an electromagnetic coil and a cooling cavity, the cooling cavity is sealed and insulated relative to the electromagnetic coil, the coil assembly further comprises a solution inlet and a solution outlet which are communicated with the cooling cavity, and after entering the cooling cavity through the solution inlet and exchanging heat with the electromagnetic coil, a regeneration solution flows out from the solution outlet and enters the regenerator for regeneration.

Preferably, the magnetic refrigeration device further comprises a hot end heat exchange assembly, a first fluid pump and a second fluid pump, the magnetic regenerator comprises a heating pipeline and a refrigeration pipeline, the hot end heat exchange assembly, the first fluid pump and the heating pipeline are connected through a heat exchange pipeline to form a heat dissipation circulation pipeline, a first control valve is arranged on the heat dissipation circulation pipeline, the cold end heat exchange assembly, the second fluid pump and the refrigeration pipeline are connected through a heat exchange pipeline to form a refrigeration circulation pipeline, and a second control valve is arranged on the refrigeration circulation pipeline.

Preferably, the magnetic refrigeration device further comprises a hot end heat exchange assembly, and the regeneration solution enters the regenerator for regeneration after being subjected to heat exchange by the hot end heat exchange assembly.

Preferably, the solution dehumidifying device further comprises a first solution pump, wherein the first solution pump provides power for the regeneration solution to enter the regenerator; and/or the solution dehumidifying device further comprises a second solution pump, and the second solution pump provides power for the dehumidifying solution to enter the dehumidifier.

Preferably, the dehumidifier is a spray tower structure, a spray tower structure or a membrane dehumidification structure.

Preferably, the regenerator is a spray tower structure, or a membrane dehumidification structure.

Preferably, a heat insulation structure is arranged between the coil assembly and the magnetic regenerator.

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

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.

The application provides an air conditioning system includes magnetic refrigeration device and solution dehydrating unit, magnetic refrigeration device includes magnetic field generator, magnetism regenerator and cold junction heat exchange assemblies, magnetic field generator includes coil pack and iron core subassembly, coil pack and iron core subassembly cooperation form periodic variation's magnetic field region, the magnetism regenerator is located the magnetic field region, solution dehydrating unit includes the dehumidifier, cold junction heat exchange assemblies carries out the heat transfer with the dehumidification solution that gets into the dehumidifier to the dehumidification solution before getting into the dehumidifier cools down. 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. This air conditioning system's magnetic refrigeration device adopts the magnetic field generator that coil pack and iron core subassembly formed to produce the magnetic field region of periodic variation, need not the part motion of magnetic field generator self, also need not the motion of magnetism regenerator, consequently realizes that the structure is simpler, realizes that the cost is lower.

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 diagram of an air conditioning system according to an embodiment of the present application;

FIG. 3 is a schematic diagram of an air conditioning system according to an embodiment of the present application;

fig. 4 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. a regenerator; 101. air for regeneration; 102. regenerated air; 110. a hot end heat exchange assembly; 120. a second membrane dehumidification assembly; 310. a cold end heat exchange assembly; 210. a magnetic regenerator; 211. a first coil assembly; 212. a second coil assembly; 220. an iron core assembly; 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; 320. a first membrane dehumidification assembly; 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; 422. high temperature solution; 423. a regenerated solution; 501. an outdoor unit; 502. an indoor unit; 520. a first solution inlet; 521. a second solution inlet; 522. a first solution outlet; 523. a second solution outlet; 600. a first fluid pump; 601. a second fluid pump.

Detailed Description

Referring to fig. 1 to 4 in combination, according to an embodiment of the present application, an air conditioning system includes a magnetic refrigeration device and a solution dehumidification device, the magnetic refrigeration device includes a magnetic field generator, a magnetic regenerator 210 and a cold end heat exchange assembly 310, the magnetic field generator includes a coil assembly and a core assembly 220, the coil assembly and the core assembly 220 cooperate to form a periodically changing magnetic field region, the magnetic regenerator 210 is located in the magnetic field region, the solution dehumidification device includes a dehumidifier 300, the cold end heat exchange assembly 310 exchanges heat with a dehumidification solution entering the dehumidifier 300 to cool the dehumidification solution before 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.

This air conditioning system's magnetism refrigerating plant is static formula magnetism refrigerating plant, and the magnetic field generator that adopts coil pack and iron core subassembly to form produces the magnetic field region of periodic variation, need not the part motion of magnetic field generator self, also need not the motion of magnetism regenerator, consequently realizes that the structure is simpler, realizes that the cost is lower, can effectively eliminate the noise that the moving part brought, realizes the silence temperature humidity control, and user experience is better.

In addition, the introduction of the solution dehumidifying device reduces or avoids the defects of the magnetic refrigerating device such as dewing, bacterium breeding and the like, and improves the working performance of the magnetic refrigerating device.

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 exchange assembly 310 indoors or on the air flow path entering the dehumidifier 300.

In one embodiment, the air 301 to be dehumidified enters the dehumidifier 300 for dehumidification and cooling, the dehumidifier 300 is provided with an air inlet and an air outlet, the air inlet is provided with a cold end heat exchange assembly 310, the cold end heat exchange assembly 310 comprises a cold end heat exchanger and an indoor fan, the cold end heat exchanger is used for providing cooling capacity for dehumidification solution, the indoor fan is used for providing circulating power for indoor air dehumidification, the air 301 to be dehumidified enters the dehumidifier 300 from the air inlet under the effect of the indoor fan, after dehumidification and cooling are performed in the dehumidifier 300, the dehumidified air 302 obtains appropriate temperature and humidity, flows out from the air outlet, and enters the indoor.

In another embodiment, after the air to be dehumidified enters the dehumidifier for dehumidification, the air exchanges heat with the cold end heat exchange assembly, an air inlet and an air outlet are arranged on the dehumidifier 300, the air inlet is provided with an air circulation pump, the air circulation pump is used for providing circulation power for dehumidifying indoor air, the air 301 to be dehumidified enters the dehumidifier 300 from the air inlet under the action of the air circulation pump, after dehumidification is performed in the dehumidifier 300, the dehumidified air 302 flows out from the air outlet and enters the indoor, then the dehumidified air 302 exchanges heat with the cold end heat exchange assembly 310, and the indoor temperature is adjusted under the action of the cold end heat exchange assembly 310. Cold junction heat exchange assemblies 310 in this embodiment is located dehumidifier 300 outsidely, provide the required cold volume of dehumidification for dehumidification solution on the one hand, on the other hand provides sufficient cold volume for indoor temperature control, air dehumidification is gone on through solution dehydrating unit, air temperature control goes on through cold junction heat exchange assemblies 310, consequently, can realize the independent control of humiture, can effectively reduce the required cold volume of temperature control in-process, realize energy-conserving effect, reduce the refrigeration load of magnetic refrigeration device, improve magnetic refrigeration device's work efficiency.

The solution dehumidifying apparatus further includes a regenerator 100, wherein the 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.

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.

Coil pack includes solenoid and cooling chamber, and the cooling chamber is sealed and insulating for solenoid, and coil pack still includes solution entry and the solution export with the cooling chamber intercommunication, and regeneration solution 421 passes through the solution entry and gets into the cooling chamber and carry out the heat transfer with solenoid after, flows out from the solution export, enters into regenerator 100 and regenerates. In this embodiment, the regenerated solution 421 is subjected to heat exchange with the coil assembly first, and then enters the regenerator 100 for regeneration, so that the electromagnetic heat of the magnetic refrigeration device can be fully utilized to regenerate the regenerated solution 421, the utilization rate of the waste heat generated by the electromagnet is improved, the energy utilization rate is improved, energy waste is avoided, meanwhile, the waste heat generated by the electromagnet can heat the regenerated solution 421, the regeneration efficiency of the regenerated solution 421 is improved, and the working efficiency of the whole air conditioning system is improved.

In one embodiment, the cooling cavity is uniformly arranged inside the electromagnetic coil, so that the electromagnetic coil can be more sufficiently cooled. Between solenoid and magnetism regenerator 210 to and magnetism regenerator 210's outside all is provided with adiabatic structure, perhaps coats and has the heat insulation layer, thereby avoids solenoid produced heat to influence the temperature distribution of magnetism regenerator 210, also can make solenoid produced heat concentrate more simultaneously, makes things convenient for heat transfer fluid and coil pack to carry out the heat transfer, improves heat exchange efficiency, improves energy utilization efficiency.

The coil pack is two, is first coil pack 211 and second coil pack 212 respectively, and first coil pack 211 twines the first end of iron core subassembly 220, and second coil pack 212 twines the second end of iron core subassembly 220, and the interval sets up between first coil pack 211 and the second coil pack 212, forms working air gap between the two, and magnetism regenerator 210 arranges in this working air gap. The first coil assembly 211 and the second coil assembly 212 are magnetizing and demagnetizing coils, and are mutually matched, so that the periodic change of the working air gap magnetic field of the electromagnet is realized through the current change, and then the magnetic working medium in the magnetic regenerator 210 is magnetized and demagnetized to generate heat and cold.

Since the number of the coil assemblies is two, the number of the solution inlets and the solution outlets corresponding to the coil assemblies is also two, wherein the first coil assembly 211 is provided with a first solution inlet 520 and a first solution outlet 522, and the second coil assembly 212 is provided with a second solution inlet 521 and a second solution outlet 523.

The magnetic refrigeration device further comprises a hot end heat exchange assembly 110, a first fluid pump 600 and a second fluid pump 601, the magnetic regenerator 210 comprises a heating pipeline and a refrigeration pipeline, the hot end heat exchange assembly 110, the first fluid pump 600 and the heating pipeline are connected through a heat exchange pipeline to form a heat dissipation circulation pipeline, a first control valve is arranged on the heat dissipation circulation pipeline, the cold end heat exchange assembly 310, the second fluid pump 601 and the refrigeration pipeline are connected through a heat exchange pipeline to form a refrigeration circulation pipeline, and a second control valve is arranged on the refrigeration circulation pipeline.

In this embodiment, the magnetic refrigeration device includes two independent fluid circulation pipelines, the first control valve is used for controlling the on-off of the heat dissipation circulation pipeline, the second control valve is used for controlling the on-off of the refrigeration circulation pipeline, when the magnetic regenerator 210 is in the magnetized region, the first control valve is opened, the second control valve is closed, the heat dissipation circulation pipeline is in the connected state, normal circulation can be performed, the first fluid pump 600 works, the refrigeration circulation pipeline is in the cut-off state, normal circulation cannot be performed, and the second fluid pump 601 stops; when the magnetic regenerator 210 is in the demagnetizing region, the first control valve is closed, the second control valve is opened, the heat dissipation circulation pipeline is in the cut-off state, normal circulation cannot be performed, the first fluid pump 600 is stopped, the refrigeration circulation pipeline is in the connected state, normal circulation can be performed, and the second fluid pump 601 works.

The magnetic refrigeration device further comprises a hot-end heat exchange assembly 110, and the regeneration solution 421 enters the regenerator 100 for regeneration after being subjected to heat exchange by the hot-end heat exchange assembly 110. The regeneration solution 421 exchanges heat with the hot-end heat exchange assembly 110 before entering the regenerator 100, so that the heat generated by the hot end of the magnetic regenerator can be fully utilized, the regeneration efficiency of the regeneration solution 421 is further improved, and energy waste is avoided.

The cold side heat exchange assembly 310 includes a cold side heat exchanger and an indoor fan, and the hot side heat exchange assembly 110 includes a hot side heat exchanger and an outdoor fan, wherein the indoor fan is used for driving air to dehumidify, and the outdoor fan is used for taking away heat generated by the regenerator 100.

In one embodiment, the cold-end heat exchange assembly 310 includes at least two sub-cold-end heat exchangers connected in parallel, wherein a first sub-cold-end heat exchanger exchanges heat with the dehumidification solution entering the dehumidifier 300, and a second sub-cold-end heat exchanger exchanges heat with air, and the dehumidified air is dehumidified by the cooled dehumidification solution and then 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.

The solution dehumidification device further comprises a first solution pump 410, and the first solution pump 410 provides power for the regeneration solution 421 to enter the regenerator 100.

The solution dehumidification device also includes a second solution pump 420, the second solution pump 420 powering the dehumidification solution 411 into the dehumidifier 300.

The dehumidifier 300 is a spray tower structure, or a membrane dehumidification structure.

The regenerator 100 is a spray tower structure, or a membrane dehumidification structure.

The air conditioning system further includes an indoor unit 502 and an outdoor unit 501, the dehumidifier 300 is disposed in the indoor unit 502, and the regenerator 100 is disposed in the outdoor unit 501.

The air conditioning system of this application, on the basis of static formula magnetic refrigeration technique, utilize the heat that electromagnetic coil produced, accomplish the regeneration of regeneration solution 421, based on humiture independent control's thought, reform transform the cold junction heat exchanger and form and carry out the heat transfer structure of heat exchange with dehumidification solution 411, reform transform the hot junction heat exchanger and form and carry out the heat transfer structure of heat exchange with regeneration solution 421. The static magnetic refrigeration device realizes the periodic change of the working air gap magnetic field of the electromagnet through the current change of the magnetizing and demagnetizing coils, further realizes the periodic magnetization and demagnetization of the magnetocaloric material in the magnetic regenerator region, forms a constant temperature span, and flows low-temperature heat exchange fluid at the outlet of the cold end of the magnetic regenerator to provide a cold source for the dehumidification solution 411 and perform cooling and dehumidification on air; while the heat generated in the coil assembly is used to provide a heat source for the regeneration solution 421 for solution regeneration.

Referring to fig. 1 in combination, in the first embodiment, the dehumidifier 300 is a spray tower structure or a spray tower structure, and the regenerator 100 is a spray tower structure or a spray tower structure.

The regeneration solution 421 pumped out from the first solution pump 410 is divided into two parts, one part exchanges heat with the coil assembly and then enters the regenerator 100 for regeneration, and the other part exchanges heat with the hot-side heat exchange assembly 110 and then enters the regenerator 100 for regeneration.

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

working process of heat exchange fluid: after the magnetic regenerator 210 is magnetized, the first fluid pump 600 and the first control valve of the heat dissipation circulation loop work, the high-temperature heat exchange fluid at the hot end outlet 243 of the heat exchange fluid of the magnetic refrigeration device passes through the hot end heat exchange assembly 110 to release the hot end of the magnetic refrigeration device to the regeneration solution 421, the high-temperature heat exchange fluid enters the magnetic regenerator 210 through the hot end inlet 244 of the heat exchange fluid under the driving of the first fluid pump 600, and the high-temperature heat exchange fluid flows out from the hot end outlet 243 of the heat exchange fluid after absorbing heat, so that the heat dissipation circulation loop is formed.

After the magnetic regenerator 210 is demagnetized, the second fluid pump 601 and the second control valve of the refrigeration cycle loop work, the second fluid pump 601 drives the heat exchange fluid to enter the magnetic regenerator 210 after demagnetization for heat exchange, the cooled low-temperature heat exchange fluid passes through the cold end of the magnetic regenerator 210, the temperature rises after the cold energy is transmitted to the dehumidification solution through the cold end heat exchange component 310 from the outlet 241 of the cold end of the heat exchange fluid, enters the magnetic regenerator 210 through the inlet 242 of the cold end of the heat exchange fluid, and flows out from the outlet 241 of the cold end of the heat exchange fluid after the cold energy is absorbed, so that an independent refrigeration cycle loop is formed.

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 exchange assembly 310, the absorbed cold energy is changed into a low-temperature solution 412, the low-temperature solution enters the dehumidifier 300, the air 301 to be dehumidified is cooled and dehumidified, then the low-temperature solution is changed into a dehumidified solution 413, and the dehumidified solution flows back to the liquid storage tank 400; the regeneration solution 421 is driven by the reservoir 400 through the first solution pump 410 to flow into the regenerator 100, after regeneration and concentration, the solution concentration is increased, the solution becomes a regenerated solution 423 and flows back to the reservoir 400, and exchanges heat with the dehumidified solution 413 in the reservoir 400, the dehumidified solution 413 after heat exchange becomes the regeneration solution 421 and enters the regenerator 100, the regenerated solution 423 after heat exchange becomes a dehumidified solution 411, and after exchanging heat with the heat exchange fluid in the cold-end heat exchange assembly 310, the solution becomes a low-temperature solution 412 and then enters the dehumidifier 300.

Air working process: the air 301 to be dehumidified is cooled and dehumidified by the low-temperature solution 412 in the dehumidifier 300 to become dehumidified air 302 with proper temperature and humidity, and the dehumidified air is sent to the indoor environment space; the air 101 for regeneration enters the regenerator 100, the high-temperature solution 422 discharges heat and humidity to the air 101 for regeneration, the concentration of the solution per se is increased, and the regenerated air 102 is directly discharged into the atmospheric environment.

Referring to fig. 2 in combination, it is substantially the same as the first embodiment except that in this embodiment, the solution flow of the regeneration solution 421 into the hot side heat exchange assembly 110 is eliminated and the heat required in the regeneration of the solution for dehumidification is provided entirely by the heat generated by the coil assembly.

In this embodiment, in the second embodiment of the present application, 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 exchange assembly 310, 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 is driven by the first solution pump 410 through the reservoir 400, and is divided into two paths before reaching the coil assembly, one path enters the cooling cavity of the first coil assembly 211 through the first solution inlet 520 to exchange heat with the first coil assembly 211 to absorb waste heat generated by the operation of the first coil assembly 211, the other path enters the cooling cavity of the second coil assembly 212 through the second solution inlet 521 to absorb waste heat generated by the second coil assembly 212, the regeneration solution 421 becomes a high-temperature solution 422 through absorbing heat, then enters the regenerator 100, air 101 for regeneration entering the regenerator 100 for cooling and absorbing moisture of the high-temperature solution 422, the solution concentration of the high-temperature solution 422 is increased, and the regenerated solution 423 flows back to the reservoir 400.

Referring to fig. 3 in combination, in a third embodiment of the present application, based on the first embodiment, the dehumidification mode of the dehumidifier 300 is changed from a packed tower or a spray tower to a first membrane dehumidification module 320. First membrane dehumidification subassembly 320 separates air and dehumidification solution, carries out heat and mass exchange through the membrane, prevents that other gaseous or liquid solution from permeating through the semi-permeable membrane, is favorable to overcoming the liquid drop in the traditional direct contact system and carries the problem.

The first membrane dehumidification module 320 is mainly composed of parallel plate membranes or hollow fiber membranes, wherein the parallel plate membrane modules are equally spaced between the membranes to form a flow channel, and has the advantages of simple structure, small pressure loss and easy construction; the air to be treated of the hollow fiber membrane component flows outside the tube (shell side) or inside the tube (tube side), and the dehumidification effect is good.

Referring to fig. 4, in the fourth embodiment of the present application, it is substantially the same as the third embodiment, except that in this embodiment, the regenerator 100 is changed from a packed tower or a spray tower to the second membrane dehumidification unit 120, and the structure of the second membrane dehumidification unit 120 is the same as that of the first membrane dehumidification unit 320, and is not described again here.

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 (14)

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 magnetic field generator, magnetism regenerator and cold junction heat exchange assemblies, magnetic field generator includes coil pack and iron core subassembly, the coil pack with the iron core subassembly cooperation forms periodic variation's magnetic field region, the magnetism regenerator is located in the magnetic field region, solution dehydrating unit includes the dehumidifier, cold junction heat exchange assemblies and entering the dehumidification solution of dehumidifier carries out the heat transfer, in order to be to getting into dehumidification solution before the dehumidifier cools down.

2. The air conditioning system of claim 1, wherein the dehumidified air enters the dehumidifier for dehumidification and then exchanges heat with the cold end heat exchange assembly; or the air to be dehumidified enters the dehumidifier to be dehumidified and cooled.

3. The system of claim 1, wherein the solution dehumidifier further comprises a 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 3, wherein the coil assembly comprises a solenoid coil and a cooling chamber, the cooling chamber is sealed and insulated from the solenoid coil, the coil assembly further comprises a solution inlet and a solution outlet which are communicated with the cooling chamber, and the regeneration solution enters the cooling chamber through the solution inlet, exchanges heat with the solenoid coil, flows out of the solution outlet, and enters the regenerator for regeneration.

6. The air conditioning system according to claim 1, wherein the magnetic refrigeration device further comprises a hot end heat exchange assembly, a first fluid pump and a second fluid pump, the magnetic regenerator comprises a heating pipeline and a refrigeration pipeline, the hot end heat exchange assembly, the first fluid pump and the heating pipeline are connected through a heat exchange pipeline to form a heat dissipation circulation pipeline, a first control valve is arranged on the heat dissipation circulation pipeline, the cold end heat exchange assembly, the second fluid pump and the refrigeration pipeline are connected through a heat exchange pipeline to form a refrigeration circulation pipeline, and a second control valve is arranged on the refrigeration circulation pipeline.

7. The air conditioning system of claim 3, wherein the magnetic refrigeration device further comprises a hot-end heat exchange assembly, and the regeneration solution enters the regenerator for regeneration after being subjected to heat exchange by the hot-end heat exchange assembly.

8. The air conditioning system of claim 3, wherein the solution dehumidification device further comprises a first solution pump that powers the entry of regeneration solution into the regenerator; and/or the solution dehumidifying device further comprises a second solution pump, and the second solution pump provides power for the dehumidifying solution to enter the dehumidifier.

9. The air conditioning system of claim 1, wherein the dehumidifier is a spray tower structure, or a membrane dehumidification structure.

10. The air conditioning system of claim 3, wherein the regenerator is a spray tower structure, or a membrane dehumidification structure.

11. An air conditioning system according to claim 1, wherein a heat insulation structure is provided between the coil assembly and the magnetic regenerator.

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

13. 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.

14. The air conditioning system as claimed in claim 13, wherein the independent cooling source is magnetic refrigeration, vapor compressor refrigeration or evaporative cooling refrigeration.

Images