An energy-saving air conditioning system with forward defrosting and humidity regulation

Abstract

The present application relates to a kind of forward defrosting adjustable humidity energy-saving air conditioning system, including adjustable humidity and defrosting refrigeration system and solar ejector refrigeration system. Wherein, adjustable humidity and defrosting refrigeration system mainly includes compressor, bypass branch, four-way reversing valve, double condenser device of sleeve pipe, throttle valve and humidity control heat exchange device etc.;Solar ejector refrigeration system mainly includes light condensing collector, heating generator, ejector, condenser, working medium pump, expansion valve and evaporator etc. The present application can effectively regulate humidity when air conditioning system is carried out ambient temperature regulation, and when frost appears in heating cycle, provide efficient adjustable bypass working fluid non-mixed defrosting, at the same time, by coupling solar ejector refrigeration system, effectively improve the efficiency of entire air conditioning system.

Description

Technical Field

[0001] This invention relates to the field of air conditioning system technology, specifically an energy-saving air conditioning system with forward defrosting and adjustable humidity. Background Technology

[0002] When regulating temperature and humidity, air is often achieved by combining an air conditioning system with an independent humidity control system. Currently, air conditioning systems capable of automatic humidity control exist. These systems either use an external water system, recycle condensate, or coat the evaporator with reversible moisture-absorbing materials. However, these systems mainly suffer from one or more drawbacks, such as limited water supply, non-recyclable condensate, and a narrow humidity control range. Furthermore, in dual-purpose (heating and cooling) air conditioning systems, frost formation on the evaporator surface occurs in cold weather due to low evaporation temperatures, deteriorating heat exchange performance and requiring frequent defrosting, severely impacting system operation. Solar energy is a readily available and clean energy source. Therefore, utilizing solar energy to establish air pre-cooling or preheating systems can effectively improve the thermal efficiency of air conditioning systems and alleviate frost formation on heat exchangers in low-temperature environments, thereby saving energy and consumables.

[0003] Chinese invention patent number ZL201710589125.6 provides an indoor humidity regulating air conditioning device. This device uses the condensate from the air conditioner evaporator as the sole water source for humidity regulation and is equipped with a water pumping spray humidification device to regulate indoor humidity. This device can only lower the air humidity or raise the humidity to the original humidity level, and it is difficult to effectively humidify the air before regulation.

[0004] Therefore, further improvements are necessary. Summary of the Invention

[0005] The purpose of this invention is to provide an energy-saving air conditioning system with positive defrosting and adjustable humidity, which is an energy-saving air conditioning system that can adjust humidity and defrost. It can effectively and automatically regulate the humidity of indoor air, improve the thermal efficiency of the air conditioning system heat exchanger in both cooling and heating states, and improve the frosting phenomenon in low-temperature environments, thereby effectively improving system efficiency and saving energy.

[0006] The objective of this invention is achieved as follows:

[0007] An energy-saving air conditioning system with adjustable humidity and forward defrosting includes an adjustable humidity and defrosting refrigeration system and a solar-powered jet refrigeration system. The adjustable humidity and defrosting refrigeration system includes a compressor, a bypass branch, a four-way reversing valve, a shell-and-tube dual condenser device, a throttling valve, a humidity-regulating heat exchange device, and a first solenoid valve module, all connected by pipes. When the adjustable humidity and defrosting refrigeration system is adjusting humidity, the heat medium entering the bypass branch enters the humidity-regulating heat exchange device and heats the reversible moisture-absorbing material of the humidity-regulating heat exchange device to achieve humidity adjustment. When the adjustable humidity and defrosting refrigeration system is adjusting defrosting, the heat medium entering the bypass branch enters the shell-and-tube dual condenser device to achieve defrosting. The shell-and-tube dual condenser device includes a first shell-and-tube condenser and a second shell-and-tube condenser for alternately achieving non-mixed defrosting of the heat medium in the bypass branch.

[0008] The solar jet refrigeration system includes a concentrating collector, a heating generator, an ejector, a first condenser, a first evaporator, a working fluid pump, and an expansion valve. The first evaporator is located on the front side of the windward side of the shell-and-tube double condenser device, and the first condenser is located on the rear side of the windward side of the shell-and-tube double condenser device, so as to form a structural arrangement in which air flows sequentially through the first evaporator, the shell-and-tube double condenser device, and the first condenser.

[0009] The first condenser is connected to the humidity control and heat exchange device through a pipe. The ejector is provided with a first ejector port, a second ejector port, and a third ejector port. The heating generator is connected to the first ejector port of the ejector through a pipe. The first condenser is connected to the second ejector port of the ejector through a pipe. The first evaporator is connected to the third ejector port of the ejector through a pipe.

[0010] The first evaporator is connected to the expansion valve, working fluid pump, and heating generator in sequence via pipes.

[0011] The humidity regulating heat exchange device includes a second evaporator, a humidity regulating box, and an electric auxiliary heater. The humidity regulating box is located on the bottom surface of the second evaporator, and the upper surface of the humidity regulating box is provided with a guide hole. The bottom surface of the second evaporator and the upper surface of the humidity regulating box are connected through the guide hole. The heat working fluid entering the bypass branch flows through the electric auxiliary heater and then enters the humidity regulating box to heat the reversible moisture-absorbing material, thereby regulating the humidity. The humidity regulating box is replenished with condensate through the guide hole.

[0012] The humidity control box is a flat, hollow cuboid. Several vents are located on the upper surface of the humidity control box. Several spaced partitions divide the inner cavity of the humidity control box into several independent chambers. Each chamber contains an appropriate amount of reversible moisture-absorbing material. Liquid guide channels are formed between the partitions and the inner wall of the humidity control box. A liquid guide hole is located at one end of the humidity control box along the direction of the partitions, and a drain hole is located on the side of the other end of the humidity control box. The liquid guide hole, liquid guide channel, and drain hole are connected sequentially. The heat exchange tubes of the bypass branch are evenly laid on the bottom surface of the humidity control box.

[0013] The shell-and-tube dual condenser unit includes, according to the working fluid flow direction, a first two-stage reversing valve, a first shell-and-tube condenser, a second two-stage reversing valve, a second shell-and-tube condenser, a third two-stage reversing valve, and a second solenoid valve module.

[0014] The first two-stage directional valve, the second two-stage directional valve, and the third two-stage directional valve each include a first connection port, a second connection port, a third connection port, and a fourth connection port.

[0015] The first and second tube condensers are respectively provided with a first external tube interface and a second external tube interface; the first and second tube condensers are also respectively provided with a first internal tube interface and a second internal tube interface.

[0016] The second solenoid valve module includes a first solenoid valve, a second solenoid valve, a third solenoid valve, a fourth solenoid valve, a fifth solenoid valve, and a sixth solenoid valve.

[0017] The first connection port of the first two-stage directional valve is connected to the outlet of the throttle valve via a pipeline. The second connection port is connected to the bypass branch. The third connection port is connected to the first external pipe interface of the first shell-and-tube condenser. The fourth connection port is connected to both the inlet of the first solenoid valve and the inlet of the second solenoid valve via a pipeline. Then, the outlet of the first solenoid valve is connected to the first external pipe interface of the second shell-and-tube condenser and the third connection port of the second two-stage directional valve via a pipeline. The outlet of the second solenoid valve is connected to the second external pipe interface of the second shell-and-tube condenser and the inlet of the third solenoid valve via a pipeline. Finally, the outlet of the third solenoid valve is connected to the third connection port of the third two-stage directional valve. The first inner pipe interface of the first-cased condenser is connected to the fourth connection port of the fifth solenoid valve and the third double-stage directional valve via pipelines. The second inner pipe interface of the first-cased condenser is connected to the second connection port of the second double-stage directional valve via pipelines. The second outer pipe interface of the first-cased condenser is connected to the first connection port of the second double-stage directional valve and the inlet of the fourth solenoid valve. The outlet of the fourth solenoid valve is connected to the third connection port of the third double-stage directional valve via pipelines. The fourth connection port of the second double-stage directional valve is connected to the sixth solenoid valve and the first inner pipe interface of the second-cased condenser via pipelines. The second inner pipe interface of the second-cased condenser is connected to the fourth connection port of the third double-stage directional valve via pipelines. The first connection port of the third double-stage directional valve is connected to the four-way directional valve via pipelines. The second connection port of the third double-stage directional valve is connected to the inlet of the throttle valve via pipelines.

[0018] The first two-stage directional valve, the second two-stage directional valve, and the third two-stage directional valve each include a first directional bypass pipe, a second directional bypass pipe, a first directional chamber, a second directional chamber, and a directional chamber connecting pipe; the first directional chamber and the second directional chamber are connected by the directional chamber connecting pipe.

[0019] The first connection port, third connection port, and fourth connection port of the first two-stage reversing valve are all located on the first reversing chamber, and the second connection port is located on the second reversing chamber; the third connection port is connected to the second reversing chamber through the first reversing bypass pipe; the fourth connection port is connected to the second reversing chamber through the second reversing bypass pipe; the first reversing chamber and the second reversing chamber are respectively equipped with an electronic control module and a pressure guiding capillary.

[0020] A first magnetic slider is provided in the first reversing chamber of the first two-stage reversing valve. The sliding of the first magnetic slider on the first reversing chamber is controlled by an electronic control module and a pressure-conducting capillary. The first magnetic slider has a first flow groove and a second flow groove that are independent of each other and not connected. The first magnetic slider is located on the inner side of the first reversing chamber. An electronic control module is located on the outer side of the first reversing chamber corresponding to the first magnetic slider. The sliding of the first magnetic slider is controlled by the electronic control module and the pressure-conducting capillary. When the first magnetic slider slides towards the electronic control module, the first connection port of the first two-stage reversing valve is connected to the third connection port through the second flow groove, and the fourth connection port is connected to the reversing chamber connecting pipe. When the first magnetic slider slides away from the electronic control module, the first connection port is connected to the fourth connection port through the second flow groove, and the third connection port is connected to the reversing chamber connecting pipe through the first flow groove.

[0021] The second switching chamber of the first two-stage reversing valve is equipped with a second magnetic slider. The second magnetic slider is equipped with a third flow groove and a fourth flow groove. The second magnetic slider is controlled by an electronic control module and a pressure-conducting capillary. When the second magnetic slider slides closer to the electronic control module, the first reversing bypass pipe is connected to the second reversing bypass pipe through the third flow groove. When the second magnetic slider slides away from the electronic control module, the second connection port is connected to the reversing chamber connection pipe through the fourth flow groove.

[0022] The first, third, and fourth connection ports of the second two-stage directional valve are all located on the first directional chamber, and the second connection port is located on the second directional chamber. The third connection port is connected to the second directional chamber through the first directional bypass pipe. The fourth connection port is connected to the second directional chamber through the second directional bypass pipe. The first and second directional chambers are respectively equipped with an electronic control module and a pressure-conducting capillary.

[0023] The first switching chamber of the second two-stage reversing valve is equipped with a first magnetic slider. The sliding of the first magnetic slider on the first switching chamber is controlled by an electronic control module and a pressure-conducting capillary. The first magnetic slider is equipped with a first flow groove and a second flow groove that are independent of each other and do not communicate with each other. The first magnetic slider is located on the inner side of the first switching chamber. The outer side of the first switching chamber is equipped with an electronic control module corresponding to the first magnetic slider. The sliding of the first magnetic slider is controlled by the electronic control module and the pressure-conducting capillary. When the first magnetic slider slides towards the electronic control module, the first connection port of the second two-stage reversing valve is connected to the third connection port through the second flow groove, and the fourth connection port is connected to the switching chamber connecting pipe. When the first magnetic slider slides away from the electronic control module, the first connection port is connected to the fourth connection port through the second flow groove, and the third connection port is connected to the switching chamber connecting pipe through the first flow groove.

[0024] The second magnetic slider is provided in the second switching chamber of the second two-stage reversing valve. The second magnetic slider is provided with a third flow groove and a fourth flow groove. The second magnetic slider is controlled by the electronic control module and the pressure-conducting capillary. When the second magnetic slider slides towards the electronic control module, the first reversing bypass pipe is connected to the second reversing bypass pipe through the third flow groove. When the second magnetic slider slides away from the electronic control module, the second connection port is connected to the reversing chamber connection pipe through the fourth flow groove.

[0025] The first, third, and fourth connection ports of the third two-stage directional valve are all located on the first directional valve chamber, and the second connection port is located on the second directional valve chamber. The third connection port is connected to the second directional valve chamber through the second directional valve bypass pipe. The fourth connection port is connected to the second directional valve chamber through the first directional valve bypass pipe. The first and second directional valve chambers are respectively equipped with an electronic control module and a pressure-conducting capillary.

[0026] The first switching chamber of the third two-stage reversing valve is equipped with a first magnetic slider. The sliding of the first magnetic slider on the first switching chamber is controlled by an electronic control module and a pressure-conducting capillary. The first magnetic slider is equipped with a first flow groove and a second flow groove that are independent of each other and not connected. The first magnetic slider is located on the inner side of the first switching chamber. The outer side of the first switching chamber is equipped with an electronic control module corresponding to the first magnetic slider. The sliding of the first magnetic slider is controlled by the electronic control module and the pressure-conducting capillary. When the first magnetic slider slides towards the electronic control module, the first connection port of the third two-stage reversing valve is connected to the third connection port through the second flow groove, and the fourth connection port is connected to the switching chamber connecting pipe. When the first magnetic slider slides away from the electronic control module, the first connection port is connected to the fourth connection port through the second flow groove, and the third connection port is connected to the switching chamber connecting pipe through the first flow groove.

[0027] The second switching chamber of the third two-stage reversing valve is equipped with a second magnetic slider. The second magnetic slider is equipped with a third flow groove and a fourth flow groove. The second magnetic slider is controlled by an electronic control module and a pressure-conducting capillary. When the second magnetic slider slides closer to the electronic control module, the first reversing bypass pipe is connected to the second reversing bypass pipe through the third flow groove. When the second magnetic slider slides away from the electronic control module, the second connection port is connected to the reversing chamber connection pipe through the fourth flow groove.

[0028] The bypass branch includes a first bypass branch and a second bypass branch. The first solenoid valve module includes a seventh solenoid valve and an eighth solenoid valve disposed on the first bypass branch to control the on / off state of the first bypass branch and its corresponding connected pipe. The first solenoid valve module also includes a ninth solenoid valve disposed on the second bypass branch to control the on / off state of the second bypass branch and its corresponding connected pipe.

[0029] The beneficial effects of this invention are as follows:

[0030] This invention overcomes one or more shortcomings of ordinary air conditioning systems in humidity control, such as limited water supply, non-recirculating condensate, and a narrow humidity control range. Furthermore, during low-temperature heating cycles, frost forms on the evaporator surface due to the low evaporation temperature, deteriorating heat exchange performance and requiring frequent interruptions of heating to activate defrosting mode. It also cannot effectively utilize solar energy for efficiency improvement and energy saving. The energy-saving air conditioning system of this invention, with adjustable humidity and defrosting capabilities, can effectively and automatically regulate air humidity, achieve uninterrupted heating through a non-mixed, high-efficiency defrosting method, and effectively utilize solar energy to improve the overall efficiency of the air conditioning system, thus saving consumables and energy. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of an energy-saving air conditioning system with adjustable humidity and forward defrosting according to an embodiment of the present invention.

[0032] Figure 2 This is a schematic diagram of the structure of a humidity-regulating heat exchange device according to an embodiment of the present invention.

[0033] Figure 3 for Figure 2 A schematic diagram of the cross-sectional structure at point AA.

[0034] Figure 4 This is a schematic diagram of the cooling mode response of a shell-and-tube dual condenser device according to an embodiment of the present invention.

[0035] Figure 5 This is a schematic diagram of the defrosting mode I response of a shell-and-tube dual condenser device according to an embodiment of the present invention.

[0036] Figure 6 This is a schematic diagram of the defrosting mode II response of a shell-and-tube dual condenser device according to an embodiment of the present invention. Detailed Implementation

[0037] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0038] See Figures 1-4An energy-saving air conditioning system with adjustable humidity and forward defrosting includes a refrigeration system 1 for adjustable humidity and defrosting and a solar-powered jet refrigeration system 2. The refrigeration system 1 for adjustable humidity and defrosting includes a compressor 3, a bypass branch 4, a four-way reversing valve 5, a double-condenser device 6 connected by pipes, a throttle valve 7, a humidity-regulating heat exchange device 8, and a first solenoid valve module. When the refrigeration system 1 for adjustable humidity and defrosting is adjusting humidity, the heat medium entering the bypass branch 4 enters the humidity-regulating heat exchange device 8 and heats the reversible moisture-absorbing material 25 of the humidity-regulating heat exchange device 8 to achieve humidity adjustment. When the refrigeration system 1 for adjustable humidity and defrosting is adjusting defrosting, the heat medium entering the bypass branch 4 enters the double-condenser device 6 to achieve defrosting. The double-condenser device 6 includes a first double-condenser 9 and a second double-condenser 10 for alternately achieving non-mixed defrosting of the heat medium in the bypass branch 4.

[0039] The solar jet cooling system 2 includes a concentrating collector 11, a heating generator 12, an ejector 13, a first condenser 14, a first evaporator 15, a working fluid pump 16, and an expansion valve 17. The first evaporator 15 is located on the front side of the windward side of the shell-and-tube double condenser device 6, and the first condenser 14 is located on the rear side of the windward side of the shell-and-tube double condenser device 6, so as to form a structural arrangement in which air flows sequentially through the first evaporator 15, the shell-and-tube double condenser device 6, and the first condenser 14.

[0040] The first condenser 14 is connected to the humidity-regulating heat exchange device 8 through a pipe. The ejector 13 is provided with a first ejector port, a second ejector port, and a third ejector port. The heating generator 12 is connected to the first ejector port of the ejector 13 through a pipe. The first condenser 14 is connected to the second ejector port of the ejector 13 through a pipe. The first evaporator 15 is connected to the third ejector port of the ejector 13 through a pipe.

[0041] The first evaporator 15 is connected to the expansion valve 17, the working fluid pump 16 and the heating generator 12 in sequence through pipes.

[0042] Specifically, see Figure 2 As shown, the humidity regulating heat exchange device 8 includes a second evaporator 18, a humidity regulating box 19, and an electric auxiliary heater 20. The humidity regulating box 19 is located on the bottom end face of the second evaporator 18, and the upper end face of the humidity regulating box 19 is provided with a guide hole 21. The bottom end face of the second evaporator 18 and the upper end face of the humidity regulating box 19 are connected through the guide hole 21. The heat working fluid entering the bypass branch 4 flows through the electric auxiliary heater 20 and then enters the humidity regulating box 19 to heat the reversible moisture-absorbing material 25, thereby regulating the humidity. The humidity regulating box 19 is replenished with condensate through the guide hole 21.

[0043] See Figure 2 , Figure 3The humidity regulating box 19 is a flat, hollow cuboid. The upper surface of the humidity regulating box 19 is provided with several vent holes 22. The inner cavity of the humidity regulating box 19 is provided with several spaced partitions 23, which divide the inner cavity of the humidity regulating box 19 into several independent cavities 24. Each cavity 24 contains an appropriate amount of reversible moisture-absorbing material 25. Liquid guiding grooves 26 are opened between the partitions 23 and the inner wall of the humidity regulating box 19. One end of the humidity regulating box 19 is provided with a liquid guiding hole 27 along the arrangement direction of the partitions 23, and the other end of the humidity regulating box 19 is provided with a drain hole 28. The liquid guiding hole 27, the liquid guiding groove 26, and the drain hole 28 are connected in sequence. The heat exchange tubes of the bypass branch 4 are evenly laid on the bottom surface of the humidity regulating box 19.

[0044] See Figures 4-6 The double-condenser unit 6 includes a first double-stage reversing valve 29, a first double-tube condenser 9, a second double-stage reversing valve 30, a second double-tube condenser 10, a third double-stage reversing valve 31, and a second solenoid valve module, depending on the working fluid flow direction.

[0045] The first two-stage directional valve 29, the second two-stage directional valve 30, and the third two-stage directional valve 31 each include a first connection port 32, a second connection port 33, a third connection port 34, and a fourth connection port 36.

[0046] The first-tube condenser 9 and the second-tube condenser 10 are respectively provided with a first external tube interface 35 and a second external tube interface 39; the first-tube condenser 9 and the second-tube condenser 10 are also respectively provided with a first internal tube interface 41 and a second internal tube interface 42.

[0047] The second solenoid valve module includes a first solenoid valve 37, a second solenoid valve 38, a third solenoid valve 40, a fourth solenoid valve 43, a fifth solenoid valve 44, and a sixth solenoid valve 45.

[0048] The first connection port 32 of the first two-stage directional valve 29 is connected to the outlet of the throttle valve 7 via a pipeline. The second connection port 33 is connected to the bypass branch 4. The third connection port 34 is connected to the first external pipe interface 35 of the first sleeve condenser 9. The fourth connection port 36 is connected to the inlet of the first solenoid valve 37 and the inlet of the second solenoid valve 38 via a pipeline. Then, the outlet of the first solenoid valve 37 is connected to the first external pipe interface 35 of the second sleeve condenser 10 and the third connection port 34 of the second two-stage directional valve 30 via a pipeline. The outlet of the second solenoid valve 38 is connected to the second external pipe interface 39 of the second sleeve condenser 10 and the inlet of the third solenoid valve 40 via a pipeline. Finally, the outlet of the third solenoid valve 40 is connected to the third connection port 34 of the third two-stage directional valve 31. The first inner pipe interface 41 of the first-cased condenser 9 is connected and communicated sequentially to the fifth solenoid valve 44 and the fourth connection port 36 of the third two-stage directional valve 31 via pipes. The second inner pipe interface 42 of the first-cased condenser 9 is connected and communicated to the second connection port 33 of the second two-stage directional valve 30 via pipes. The second outer pipe interface 39 of the first-cased condenser 9 is connected and communicated to the first connection port 32 of the second two-stage directional valve 30 and the inlet of the fourth solenoid valve 43. The outlet of the fourth solenoid valve 43 is connected and communicated to the third connection port 34 of the third two-stage directional valve 31 via pipes. The fourth connection port 36 of the second two-stage directional valve 30 is connected and communicated sequentially to the sixth solenoid valve 45 and the first inner pipe interface 41 of the second-cased condenser 10 via pipes. The second inner pipe interface 42 of the second-cased condenser 10 is connected and communicated to the fourth connection port 36 of the third two-stage directional valve 31 via pipes. The first connection port 32 of the third double-stage directional valve 31 is connected to the four-way directional valve 5 via a pipeline; the second connection port 33 of the third double-stage directional valve 31 is connected to the inlet of the throttle valve 7 via a pipeline.

[0049] The first two-stage directional valve 29, the second two-stage directional valve 30, and the third two-stage directional valve 31 each include a first directional bypass pipe 46, a second directional bypass pipe 47, a first directional chamber 48, a second directional chamber 49, and a directional chamber connecting pipe 50; the first directional chamber 48 and the second directional chamber 49 are connected by the directional chamber connecting pipe 50.

[0050] The first connection port 32, the third connection port 34, and the fourth connection port 36 of the first two-stage reversing valve 29 are all located on the first reversing chamber 48, and the second connection port 33 is located on the second reversing chamber 49; the third connection port 34 is connected to the second reversing chamber 49 through the first reversing bypass pipe 46; the fourth connection port 36 is connected to the second reversing chamber 49 through the second reversing bypass pipe 47; the first reversing chamber 48 and the second reversing chamber 49 are respectively equipped with an electronic control module 51 and a pressure guiding capillary tube 52.

[0051] A first magnetic slider 53 is provided in the first reversing chamber 48 of the first two-stage reversing valve 29. The first magnetic slider 53 slides on the first reversing chamber 48 under the control of an electronic control module 51 and a pressure-conducting capillary tube 52. The first magnetic slider 53 is provided with a first flow groove 54 and a second flow groove 55 that are independent and not connected to each other. The first magnetic slider 53 is located inside the first reversing chamber 48. The electronic control module 51 is located on the outside of the first reversing chamber 48 corresponding to the first magnetic slider 53. The electronic control module 51 and the pressure-conducting capillary tube 52 are connected to each other. The first magnetic slider 53 is controlled to slide. When the first magnetic slider 53 slides towards the direction of the electronic control module 51, the first connection port 32 of the first two-stage reversing valve 29 is connected to the third connection port 34 through the second flow groove 55, and the fourth connection port 36 is connected to the reversing chamber connecting pipe 50. When the first magnetic slider 53 slides away from the electronic control module 51, the first connection port 32 is connected to the fourth connection port 36 through the second flow groove 55, and the third connection port 34 is connected to the reversing chamber connecting pipe 50 through the first flow groove 54.

[0052] The second reversing chamber 49 of the first two-stage reversing valve 29 is equipped with a second magnetic slider 56. The second magnetic slider 56 is equipped with a third flow groove 57 and a fourth flow groove 58. The second magnetic slider 56 is controlled by the electronic control module 51 and the pressure-conducting capillary 52. ​​When the second magnetic slider 56 slides towards the electronic control module 51, the first reversing bypass pipe 46 is connected to the second reversing bypass pipe 47 through the third flow groove 57. When the second magnetic slider 56 slides away from the electronic control module 51, the second connection port 33 is connected to the reversing chamber connection pipe 50 through the fourth flow groove 58.

[0053] The first connection port 32, the third connection port 34, and the fourth connection port 36 of the second two-stage reversing valve 30 are all located on the first reversing chamber 48, and the second connection port 33 is located on the second reversing chamber 49; the third connection port 34 is connected to the second reversing chamber 49 through the first reversing bypass pipe 46; the fourth connection port 36 is connected to the second reversing chamber 49 through the second reversing bypass pipe 47; the first reversing chamber 48 and the second reversing chamber 49 are respectively equipped with an electronic control module 51 and a pressure guiding capillary tube 52.

[0054] The second two-stage directional valve 30 has a first magnetic slider 53 installed in the first directional chamber 48. The first magnetic slider 53 slides on the first directional chamber 48 under the control of an electronic control module 51 and a pressure-conducting capillary 52. ​​The first magnetic slider 53 has independent and non-communicating first and second flow channels 54 and 55. The first magnetic slider 53 is located inside the first directional chamber 48, and the electronic control module 51 is located on the outside of the first directional chamber 48 corresponding to the first magnetic slider 53. The electronic control module 51 communicates with the pressure-conducting capillary 52. The first magnetic slider 53 is controlled to slide. When the first magnetic slider 53 slides towards the direction of the electronic control module 51, the first connection port 32 of the second two-stage reversing valve 30 is connected to the third connection port 34 through the second flow groove 55, and the fourth connection port 36 is connected to the reversing chamber connecting pipe 50. When the first magnetic slider 53 slides away from the electronic control module 51, the first connection port 32 is connected to the fourth connection port 36 through the second flow groove 55, and the third connection port 34 is connected to the reversing chamber connecting pipe 50 through the first flow groove 54.

[0055] The second two-stage reversing valve 30 has a second magnetic slider 56 in its second reversing chamber 49. The second magnetic slider 56 has a third flow groove 57 and a fourth flow groove 58. The second magnetic slider 56 is controlled by the electronic control module 51 and the pressure-conducting capillary 52. ​​When the second magnetic slider 56 slides closer to the electronic control module 51, the first reversing bypass pipe 46 is connected to the second reversing bypass pipe 47 through the third flow groove 57. When the second magnetic slider 56 slides away from the electronic control module 51, the second connection port 33 is connected to the reversing chamber connection pipe 50 through the fourth flow groove 58.

[0056] The first connection port 32, the third connection port 34, and the fourth connection port 36 of the third two-stage reversing valve 31 are all located on the first reversing chamber 48, and the second connection port 33 is located on the second reversing chamber 49. The third connection port 34 is connected to the second reversing chamber 49 through the second reversing bypass pipe 47. The fourth connection port 36 is connected to the second reversing chamber 49 through the first reversing bypass pipe 46. The first reversing chamber 48 and the second reversing chamber 49 are respectively equipped with an electronic control module 51 and a pressure guiding capillary tube 52.

[0057] The third two-stage directional valve 31 has a first magnetic slider 53 installed in the first directional chamber 48. The first magnetic slider 53 slides on the first directional chamber 48 under the control of an electronic control module 51 and a pressure-conducting capillary 52. ​​The first magnetic slider 53 has independent and non-communicating first and second flow channels 54 and 55. The first magnetic slider 53 is located inside the first directional chamber 48, and the electronic control module 51 is located on the outside of the first directional chamber 48 corresponding to the first magnetic slider 53. The electronic control module 51 is connected to the pressure-conducting capillary 52. The first magnetic slider 53 is controlled to slide. When the first magnetic slider 53 slides towards the direction of the electronic control module 51, the first connection port 32 of the third two-stage reversing valve 31 is connected to the third connection port 34 through the second flow groove 55, and the fourth connection port 36 is connected to the reversing chamber connecting pipe 50. When the first magnetic slider 53 slides away from the electronic control module 51, the first connection port 32 is connected to the fourth connection port 36 through the second flow groove 55, and the third connection port 34 is connected to the reversing chamber connecting pipe 50 through the first flow groove 54.

[0058] The second magnetic slider 56 is provided in the second reversing chamber 49 of the third two-stage reversing valve 31. The second magnetic slider 56 is provided with a third flow groove 57 and a fourth flow groove 58. The second magnetic slider 56 is controlled by the electronic control module 51 and the pressure-conducting capillary 52. ​​When the second magnetic slider 56 slides towards the electronic control module 51, the first reversing bypass pipe 46 is connected to the second reversing bypass pipe 47 through the third flow groove 57. When the second magnetic slider 56 slides away from the electronic control module 51, the second connection port 33 is connected to the reversing chamber connection pipe 50 through the fourth flow groove 58.

[0059] The bypass branch 4 includes a first bypass branch 4.1 and a second bypass branch 4.2. The first solenoid valve module includes a seventh solenoid valve 59 and an eighth solenoid valve 60 disposed on the first bypass branch 4.1 to control the on / off state of the first bypass branch 4.1 and its corresponding connected pipe. The first solenoid valve module also includes a ninth solenoid valve 61 disposed on the second bypass branch 4.2 to control the on / off state of the second bypass branch 4.2 and its corresponding connected pipe.

[0060] Working principle:

[0061] When the system is in cooling and humidity regulation operation, and humidification is enabled: the four-way reversing valve 5 is closed, the seventh solenoid valve 59 is open, the third solenoid valve 40 is open, and all other solenoid valves are closed. The refrigeration system 1, which can regulate humidity and defrost, is in cooling operation, the humidity-regulating heat exchange device 8 is in operation, and the solar jet refrigeration system 2 is in operation. At this time, part of the heat working fluid at the outlet of compressor 3 enters the humidity regulating box 19 of the humidity regulating heat exchange device 8 through the first bypass branch 4.1. The heat working fluid heats the reversible moisture-absorbing material 25 that has absorbed moisture. The water vapor generated by heating enters the outside air through the exhaust port 22, thereby increasing the humidity of the outside air. By adjusting the flow rate of the heat working fluid in the first bypass branch 4.1, the humidification of the outside air is adjusted. The condensate generated by the first evaporator 15 enters the humidity regulating box 19 through the liquid guide hole 27 to replenish the humidity regulating box 19. The generated condensate is recycled. When the temperature of the heat working fluid is lower than the dehydration temperature of the reversible moisture-absorbing material 25, the heat working fluid in the first bypass branch 4.1 is heated by the electric auxiliary heater 20 for auxiliary heating regulation. The heat working fluid after operation flows into the inlet of the throttling valve 7 and participates in throttling. During dehumidification: the four-way reversing valve 5 is closed, the third solenoid valve 40 is open, all other solenoid valves are closed, the bypass branch 10 is disconnected, the refrigeration system 1, which can adjust humidity and defrost, operates, and the solar jet refrigeration system 2 operates. At this time, the air is cooled and dehumidified by the first evaporator 15, and the condensate produced enters the humidity regulating box 19 through the liquid guide hole 27, and the overflowing condensate is drained through the drain hole 28 of the humidity regulating box 19.

[0062] The heating generator 12 has the same structure as the evaporator, so it will not be described in detail here.

[0063] During humidification and dehumidification operation, the solar-powered jet refrigeration system 2 operates after the working fluid in the concentrating solar collector 11 and the heating generator 12 reaches its operating temperature. At this time, the first evaporator 15 absorbs heat from the air, and the first condenser 14 dissipates heat from the air. Since the air passes through the first evaporator 15, the double-condenser device 6, and the first condenser 14 in sequence, the air is first cooled by the evaporator of the solar-powered jet refrigeration system 2, then absorbs heat from the double-condenser device 6, and finally absorbs heat from the first condenser 14. This effectively increases the heat exchange temperature difference between the air and the double-condenser device 6, thereby improving the thermal efficiency of the condenser and thus improving the thermal efficiency of the air conditioning system, effectively saving energy.

[0064] Heat pump humidity regulation operation: When the heat pump is running, it only humidifies the air: the four-way reversing valve 5 is open, the eighth solenoid valve 60 is open, the third solenoid valve 40 is open, and the remaining solenoid valves are closed. The refrigeration system 1, which can regulate humidity and defrost, operates as a heat pump, the humidification heat exchange device 8 is working, and the solar jet refrigeration system 2 is working. At this time, part of the heat working fluid at the outlet of the compressor 3 enters the humidity regulating box 19 of the humidification heat exchange device 8 through the first bypass branch 4.1. The heat working fluid heats the reversible moisture-absorbing material 25 that has absorbed moisture. The water vapor generated by heating enters the outside air through the exhaust port 22, thereby increasing the humidity of the outside air. By adjusting the flow rate of the heat working fluid in the first bypass branch 4.1, the humidification of the outside air is adjusted. When the temperature of the heat working fluid is lower than the dehydration temperature of the reversible moisture-absorbing material 25, the heat working fluid in the first bypass branch 4.1 is heated by the electric auxiliary heater 20 for auxiliary heating regulation. The heat working fluid after operation flows into the inlet of the throttling valve 7 to participate in throttling.

[0065] When the heat pump is humidifying, the solar-powered jet refrigeration system 2 only transports the heat transfer fluid through the concentrating collector 11 and the heating generator 12, while the first evaporator 15 is not working. At this time, the heat transfer fluid in the heating generator 12 is transported to the first condenser 14 by the working fluid pump 16 to dissipate heat to the air. The air passes through the first condenser 14 and the shell-and-tube dual condenser device 6 in sequence. Therefore, the air temperature is first raised by the first condenser 14 of the solar-powered jet refrigeration system 2, and then heat is released to the evaporating working fluid in the shell-and-tube dual condenser device 6. This effectively increases the temperature difference between the air and the shell-and-tube dual condenser device 6 for evaporative heat exchange, thereby improving the thermal efficiency of the condenser and thus improving the thermal efficiency of the heat pump system, effectively saving energy.

[0066] Heat pump defrosting mode I: Four-way reversing valve 5 is open, ninth solenoid valve 61 is open, first solenoid valve 37, third solenoid valve 40, and sixth solenoid valve 45 are open, and the remaining solenoid valves are closed. The first shell-and-tube condenser 9 in the shell-and-tube dual condenser device 6 performs defrosting, the second shell-and-tube condenser 10 continues to evaporate, and the solar jet refrigeration system 2 is in operation. At this time, on the one hand, part of the heat working fluid at the outlet of compressor 3 enters the second connection port 33 of the first two-stage reversing valve 29 and the reversing chamber connecting pipe 50 through the second bypass branch 4.2 and flows out from the third connection port 34. It then enters the outer tube of the first casing condenser 9 through the first outer tube interface 35 for defrosting. Subsequently, the defrosted medium-temperature working fluid passes through the second outer tube interface 39 of the first casing condenser 9, the first connection port 32 and the fourth connection port 36 of the second two-stage reversing valve 30, and the sixth solenoid valve 45 in sequence, and then enters the inner tube of the second casing condenser 10 through the first inner tube interface 41. This allows the evaporating working fluid of the outer tube of the second casing condenser 10 to simultaneously absorb heat from the medium-temperature working fluid and the air in the inner tube, thereby improving thermal efficiency. Finally, the defrosting heat working fluid passes through the fourth connection port 36 of the third two-stage reversing valve 31, the reversing chamber connecting pipe 50, and the second connection port 33 in sequence and merges into the inlet of the throttling valve 7 to participate in throttling. On the other hand, the low-temperature working fluid after being throttled by the main circulation throttle valve 7 enters the outer tube of the second casing condenser 10 for evaporation and heat exchange through the first connection port 32, the fourth connection port 36, and the first solenoid valve 37 of the first two-stage reversing valve 29. Then it flows out from the second outer tube interface 39 of the second casing condenser 10, and flows through the third solenoid valve 40, the third connection port 34, and the first connection port 32 in sequence before flowing into the suction port of the compressor 3.

[0067] Furthermore, by using the concentrating collector 11 and the heating generator 12, the solar jet cooling system 2 only transports the heat transfer medium, and the first evaporator 15 does not operate. At this time, the heat transfer medium in the heating generator 12 is transported to the first condenser 14 to dissipate heat to the air via the working medium pump 16. The air passes through the first condenser 14 and the double-tube condenser device 6 in sequence. Therefore, the air temperature is first raised by the condenser of the solar jet cooling system 2, and then heat is released to the evaporating medium of the second tube condenser 10. This effectively increases the temperature difference between the air and the second tube condenser 10 for evaporative heat exchange, while also promoting defrosting of the first tube condenser 9, improving the thermal efficiency of the condenser, and thus improving the thermal efficiency of the heat pump system, effectively saving energy.

[0068] Heat pump defrosting mode II: Four-way reversing valve 5, ninth solenoid valve 61, second solenoid valve 38, fourth solenoid valve 43, and fifth solenoid valve 44 are open, and the remaining solenoid valves are closed. The second shell-and-tube condenser 10 in the shell-and-tube dual condenser unit 6 performs defrosting, while the first shell-and-tube condenser 9 continues evaporation. The solar jet refrigeration system 2 is in operation. At this time, on the one hand, part of the heat working fluid at the outlet of compressor 3 enters the second connection port 33 of the first double-stage reversing valve 29 through the second bypass branch 4.2 and passes through the reversing chamber connecting pipe 50. Then, it flows out from the fourth connection port 36 of the first double-stage reversing valve 29 and enters the outer pipe of the second shell-and-tube condenser 10 through the second outer pipe interface 39 for defrosting. Subsequently, the defrosted medium-temperature working fluid passes sequentially through the first outer pipe interface 35 of the second shell-and-tube condenser 10, the second double-stage reversing valve 29, and the second double-stage reversing chamber connecting pipe 50. The first tube condenser 9's heat transfer fluid flows through the second inner tube interface 42 of the second inner tube interface 42 via the third connection port 34 of valve 30, reversing chamber connecting pipe 50, and second connection port 33. This allows the evaporating working fluid in the outer tube of the first tube condenser 9 to simultaneously absorb heat from the medium-temperature working fluid and air in the inner tube, improving thermal efficiency. Finally, the defrosting working fluid flows sequentially through the fourth connection port 36 of the third double-stage reversing valve 31, reversing chamber connecting pipe 50, and second connection port 33 into the inlet of the throttling valve 7 to participate in throttling. On the other hand, the low-temperature working fluid throttled by the main circulation throttling valve 7 flows sequentially through the first connection port 32 and third connection port 34 of the first double-stage reversing valve 29 into the outer tube of the first tube condenser 9 for evaporative heat exchange. Subsequently, it flows out from the second outer tube interface 39 of the first tube condenser 9 and flows sequentially through the fourth solenoid valve 43, the third connection port 34 of the third double-stage reversing valve 31, and the first connection port 32 before flowing into the suction port of the compressor 3.

[0069] Furthermore, by using the concentrating collector 11 and the heating generator 12, the solar jet cooling system 2 only transports the heat transfer medium, and the first evaporator 15 does not operate. At this time, the heat transfer medium in the heating generator 12 is transported to the first condenser 14 to dissipate heat to the air via the working medium pump 16. The air passes through the first condenser 14 and the shell-and-tube dual condenser device 6 in sequence. Therefore, the air temperature is first raised by the condenser of the solar jet cooling system 2, and then heat is released to the evaporating medium of the first shell-and-tube condenser 9. This effectively increases the temperature difference between the air and the first shell-and-tube condenser 9 for evaporative heat exchange, while promoting the defrosting of the first shell-and-tube condenser 9, improving the thermal efficiency of the condenser, and thus improving the thermal efficiency of the heat pump system, effectively saving energy.

[0070] In this embodiment, the reversible moisture-absorbing material 25 should preferably be a material with good moisture absorption performance and a dehumidification temperature of 40℃~80℃, such as: LiCl / PVA / silica gel composite desiccant, vermiculite / bentonite / cement / CaCl2 composite desiccant, silica gel / LiNO3, etc.

[0071] In this embodiment, the concentrating solar collector 11 adopts a reflector structure, or a lens structure for heat concentration.

[0072] With the above settings, this energy-saving air conditioning system with adjustable humidity and defrosting can effectively and automatically regulate air humidity, obtain efficient and uninterrupted heating through non-mixed defrosting of the working fluid, and effectively utilize solar energy to improve the overall efficiency of the air conditioning system and save energy.

[0073] The above describes the preferred embodiments of the present invention, illustrating and describing the basic principles, main features, and advantages of the invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy efficient air conditioning system with positive defrost and adjustable humidity, comprising a refrigeration system (1) with adjustable humidity and defrosting, characterized in that: The solar ejector refrigeration system (2) includes a light condensing collector (11), a heating generator (12), an ejector (13), a first condenser (14), a first evaporator (15), a working medium pump (16), and an expansion valve (17). The first evaporator (15) is arranged on the front side of the windward surface of the double-sleeve condenser device (6), and the first condenser (14) is arranged on the rear side of the windward surface of the double-sleeve condenser device (6), so as to form a structure arrangement in which air flows through the first evaporator (15), the double-sleeve condenser device (6), and the first condenser (14) in sequence. The first condenser (14) is connected to the humidity adjusting heat exchange device (8) through a pipeline. The ejector (13) is provided with a first injection port, a second injection port, and a third injection port. The heating generator (12) is connected to the first injection port of the ejector (13) through a pipeline. The first condenser (14) is connected to the second injection port of the ejector (13) through a pipeline. The first evaporator (15) is connected to the third injection port of the ejector (13) through a pipeline. The first evaporator (15) is connected to the expansion valve (17), the working medium pump (16), and the heating generator (12) in sequence through a pipeline. The humidity adjusting heat exchange device (8) includes a second evaporator (18), a humidity adjusting box (19), and an electric auxiliary heater (20). The humidity adjusting box (19) is arranged on the bottom end surface of the second evaporator (18). The upper end surface of the humidity adjusting box (19) is provided with a flow guide hole (21). The bottom end surface of the second evaporator (18) is in communication with the upper end surface of the humidity adjusting box (19) through the flow guide hole (21). The hot working medium entering the bypass branch (4) flows through the electric auxiliary heater (20) and then enters the humidity adjusting box (19), so as to heat the reversible moisture absorption material (25) and adjust the humidity. The humidity adjusting box (19) supplements condensed water through the flow guide hole (21). The working medium flow direction of the double-sleeve condenser device (6) includes a first double-stage reversing valve (29), a first sleeve condenser (9), a second double-stage reversing valve (30), a second sleeve condenser (10), a third double-stage reversing valve (31), and a second electromagnetic valve module. ​ 2. The energy efficient air conditioning system with positive defrost and adjustable humidity according to claim 1, wherein: The upper end face of the humidity adjusting box (19) is provided with a plurality of air outlet holes (22), and the inner cavity of the humidity adjusting box (19) is provided with a plurality of interval arranged baffles (23), the plurality of interval arranged baffles (23) divide the inner cavity of the humidity adjusting box (19) into a plurality of independent cavities (24), an appropriate amount of reversible moisture absorbing material (25) is placed in each cavity (24), the liquid guide groove (26) is arranged between the baffle (23) and the inner wall of the humidity adjusting box (19), the humidity adjusting box (19) is provided with the liquid guide hole (27) at one end along the arrangement direction of the baffle (23), the side surface of the other end of the humidity adjusting box (19) is provided with the liquid discharge hole (28), and the liquid guide hole (27), the liquid guide groove (26) and the liquid discharge hole (28) are sequentially connected; the heat exchange pipes of the bypass branch (4) are uniformly arranged on the bottom end face of the humidity adjusting box (19).

3. The energy efficient air conditioning system with positive defrost and adjustable humidity according to claim 1, wherein: The first double-stage reversing valve (29), the second double-stage reversing valve (30) and the third double-stage reversing valve (31) each include a first connecting port (32), a second connecting port (33), a third connecting port (34) and a fourth connecting port (36); The first double-stage reversing valve (29), the second double-stage reversing valve (30) and the third double-stage reversing valve (31) each include a first connecting port (32), a second connecting port (33), a third connecting port (34) and a fourth connecting port (36); The second electromagnetic valve module includes a first electromagnetic valve (37), a second electromagnetic valve (38), a third electromagnetic valve (40), a fourth electromagnetic valve (43), a fifth electromagnetic valve (44) and a sixth electromagnetic valve (45).

4. The energy efficient air conditioning system with positive defrost and adjustable humidity according to claim 3, wherein: The first connecting port (32) of the first double-stage reversing valve (29) is connected and communicated with the outlet of the throttle valve (7) through a pipeline, the second connecting port (33) is connected and communicated with the bypass branch (4), the third connecting port (34) is communicated with the first outer pipe interface (35) of the first double-pipe condenser (9), the fourth connecting port (36) is communicated with the inlet of the first electromagnetic valve (37) and the inlet of the second electromagnetic valve (38) through a pipeline, the outlet of the first electromagnetic valve (37) is connected and communicated with the first outer pipe interface (35) of the second double-pipe condenser (10) and the third connecting port (34) of the second double-stage reversing valve (30) through a pipeline, the outlet of the second electromagnetic valve (38) is connected and communicated with the second outer pipe interface (39) of the second double-pipe condenser (10) and the inlet of the third electromagnetic valve (40) through a pipeline, and finally, the outlet of the third electromagnetic valve (40) is communicated with the third connecting port (34) of the third double-stage reversing valve (31). The first inner tube interface (41) of the first double pipe condenser (9) is connected and communicated with the fourth connecting port (36) of the third double stage reversing valve (31) through a pipeline in sequence, and the fifth electromagnetic valve (44); the second inner tube interface (42) of the first double pipe condenser (9) is connected and communicated with the second connecting port (33) of the second double stage reversing valve (30) through a pipeline; the second outer tube interface (39) of the first double pipe condenser (9) is connected and communicated with the first connecting port (32) of the second double stage reversing valve (30) and the inlet of the fourth electromagnetic valve (43), and the outlet of the fourth electromagnetic valve (43) is connected and communicated with the third connecting port (34) of the third double stage reversing valve (31) through a pipeline; the fourth connecting port (36) of the second double stage reversing valve (30) is connected and communicated with the first inner tube interface (41) of the second double pipe condenser (10) through a pipeline in sequence, and the sixth electromagnetic valve (45); The second inner tube interface (42) of the second double pipe condenser (10) is connected and communicated with the fourth connecting port (36) of the third double stage reversing valve (31) through a pipeline; the first connecting port (32) of the third double stage reversing valve (31) is connected and communicated with the four-way reversing valve (5) through a pipeline; the second connecting port (33) of the third double stage reversing valve (31) is connected and communicated with the inlet of the throttle valve (7) through a pipeline; The first double stage reversing valve (29), the second double stage reversing valve (30) and the third double stage reversing valve (31) further comprise a first reversing bypass pipe (46), a second reversing bypass pipe (47), a first reversing chamber (48), a second reversing chamber (49) and a reversing chamber connecting pipe (50); the first reversing chamber (48) and the second reversing chamber (49) are connected through the reversing chamber connecting pipe (50).

5. The energy efficient air conditioning system with positive defrost and adjustable humidity according to claim 4, wherein: The first connecting port (32), the third connecting port (34) and the fourth connecting port (36) of the first double stage reversing valve (29) are arranged on the first reversing chamber (48), and the second connecting port (33) is arranged on the second reversing chamber (49); the third connecting port (34) is connected with the second reversing chamber (49) through the first reversing bypass pipe (46); the fourth connecting port (36) is connected with the second reversing chamber (49) through the second reversing bypass pipe (47); the first reversing chamber (48) and the second reversing chamber (49) are respectively provided with an electric control module (51) and a pressure guiding capillary tube (52); The first magnetic slider (53) is arranged in the first reversing chamber (48) of the first two-stage reversing valve (29), and the sliding of the first magnetic slider (53) in the first reversing chamber (48) is controlled through the electric control module (51) and the pressure guide capillary (52); the first magnetic slider (53) is provided with the first flow groove (54) and the second flow groove (55) which are independent and not communicated with each other; the first magnetic slider (53) is arranged on the inner side of the first reversing chamber (48), and the electric control module (51) is arranged on the outer side of the first reversing chamber (48) corresponding to the first magnetic slider (53); the sliding of the first magnetic slider (53) is controlled through the electric control module (51) and the pressure guide capillary (52); when the first magnetic slider (53) slides towards the electric control module (51), the first connecting port (32) of the first two-stage reversing valve (29) is communicated with the third connecting port (34) through the second flow groove (55), and the fourth connecting port (36) is communicated with the reversing chamber connecting pipe (50); when the first magnetic slider (53) slides away from the electric control module (51), the first connecting port (32) is communicated with the fourth connecting port (36) through the second flow groove (55), and the third connecting port (34) is communicated with the reversing chamber connecting pipe (50) through the first flow groove (54). The second magnetic slider (56) is arranged in the second reversing chamber (49) of the first two-stage reversing valve (29), and the second magnetic slider (56) is controlled through the electric control module (51) and the pressure guide capillary (52); when the second magnetic slider (56) slides towards the electric control module (51), the first reversing bypass pipe (46) is communicated with the second reversing bypass pipe (47) through the third flow groove (57); when the second magnetic slider (56) slides away from the electric control module (51), the second connecting port (33) is communicated with the reversing chamber connecting pipe (50) through the fourth flow groove (58).

6. The energy efficient air conditioning system with positive defrost and adjustable humidity according to claim 5, wherein: The first connecting port (32), the third connecting port (34) and the fourth connecting port (36) of the second two-stage reversing valve (30) are arranged on the first reversing chamber (48), and the second connecting port (33) is arranged on the second reversing chamber (49); the third connecting port (34) is connected with the second reversing chamber (49) through the first reversing bypass pipe (46); the fourth connecting port (36) is connected with the second reversing chamber (49) through the second reversing bypass pipe (47); the electric control module (51) and the pressure guide capillary (52) are arranged on the first reversing chamber (48) and the second reversing chamber (49) respectively. The first reversing chamber (48) of the second double-stage reversing valve (30) is provided with a first magnetic slider (53), and the sliding of the first magnetic slider (53) on the first reversing chamber (48) is controlled through an electric control module (51) and a pressure guide capillary (52); the first magnetic slider (53) is provided with a first flow groove (54) and a second flow groove (55) which are independent and not communicated with each other; the first magnetic slider (53) is arranged on the inner side of the first reversing chamber (48), and the outer side of the first reversing chamber (48) is provided with the electric control module (51) corresponding to the first magnetic slider (53); the sliding of the first magnetic slider (53) is controlled through the electric control module (51) and the pressure guide capillary (52); when the first magnetic slider (53) slides towards the electric control module (51), the first connecting port (32) of the second double-stage reversing valve (30) is communicated with the third connecting port (34) through the second flow groove (55), and the fourth connecting port (36) is communicated with the reversing chamber connecting pipe (50); when the first magnetic slider (53) slides away from the electric control module (51), the first connecting port (32) is communicated with the fourth connecting port (36) through the second flow groove (55), and the third connecting port (34) is communicated with the reversing chamber connecting pipe (50) through the first flow groove (54); The second reversing chamber (49) of the second double-stage reversing valve (30) is provided with a second magnetic slider (56), and the second magnetic slider (56) is provided with a third flow groove (57) and a fourth flow groove (58); the second magnetic slider (56) is controlled through the electric control module (51) and the pressure guide capillary (52); when the second magnetic slider (56) slides towards the electric control module (51), the first reversing bypass pipe (46) is communicated with the second reversing bypass pipe (47) through the third flow groove (57); when the second magnetic slider (56) slides away from the electric control module (51), the second connecting port (33) is communicated with the reversing chamber connecting pipe (50) through the fourth flow groove (58).

7. The energy efficient air conditioning system with forward defrost and adjustable humidity according to claim 6, wherein: The first connecting port (32), the third connecting port (34) and the fourth connecting port (36) of the third double-stage reversing valve (31) are arranged on the first reversing chamber (48), and the second connecting port (33) is arranged on the second reversing chamber (49); the third connecting port (34) is connected with the second reversing chamber (49) through the second reversing bypass pipe (47); the fourth connecting port (36) is connected with the second reversing chamber (49) through the first reversing bypass pipe (46); the electric control module (51) and the pressure guide capillary (52) are arranged on the first reversing chamber (48) and the second reversing chamber (49) respectively. The first reversing chamber (48) of the third double-stage reversing valve (31) is provided with a first magnetic slider (53), and the sliding of the first magnetic slider (53) on the first reversing chamber (48) is controlled through the electric control module (51) and the pressure guide capillary (52); the first magnetic slider (53) is provided with a first flow groove (54) and a second flow groove (55) which are independent of each other and not communicated with each other; the first magnetic slider (53) is arranged on the inner side of the first reversing chamber (48), and the outer side of the first reversing chamber (48) is provided with the electric control module (51) corresponding to the first magnetic slider (53); the sliding of the first magnetic slider (53) is controlled through the electric control module (51) and the pressure guide capillary (52); when the first magnetic slider (53) slides towards the electric control module (51), the first connecting port (32) of the third double-stage reversing valve (31) is communicated with the third connecting port (34) through the second flow groove (55), and the fourth connecting port (36) is communicated with the reversing chamber connecting pipe (50); when the first magnetic slider (53) slides away from the electric control module (51), the first connecting port (32) is communicated with the fourth connecting port (36) through the second flow groove (55), and the third connecting port (34) is communicated with the reversing chamber connecting pipe (50) through the first flow groove (54); The second reversing chamber (49) of the third double-stage reversing valve (31) is provided with a second magnetic slider (56), and the second magnetic slider (56) is provided with a third flow groove (57) and a fourth flow groove (58); the second magnetic slider (56) is controlled through the electric control module (51) and the pressure guide capillary (52); when the second magnetic slider (56) slides towards the electric control module (51), the first reversing bypass pipe (46) is communicated with the second reversing bypass pipe (47) through the third flow groove (57); when the second magnetic slider (56) slides away from the electric control module (51), the second connecting port (33) is communicated with the reversing chamber connecting pipe (50) through the fourth flow groove (58).

8. The energy efficient air conditioning system with positive defrost and adjustable humidity according to claim 1, wherein: The bypass branch (4) includes a first bypass branch (4.1) and a second bypass branch (4.2); the first electromagnetic valve module includes a seventh electromagnetic valve (59) and an eighth electromagnetic valve (60) arranged on the first bypass branch (4.1) to control the opening and closing of the first bypass branch (4.1) and the corresponding connecting pipeline thereof; the first electromagnetic valve module further includes a ninth electromagnetic valve (61) arranged on the second bypass branch (4.2) to control the opening and closing of the second bypass branch (4.2) and the corresponding connecting pipeline thereof.

Images