Fan and water pump assembly and gas water heating apparatus

Abstract

A fan and water pump assembly (100) and a gas water heating apparatus (1000). The fan and water pump assembly (100) comprises: a driving device (10), which is provided with a gas flow channel (101) and a liquid flow channel (102) that are independent of each other, wherein the gas flow channel (101) is provided with an air inlet (1011) and an air outlet (1012), and the liquid flow channel (102) is provided with a liquid inlet (1021) and a liquid outlet (1022); a first working element, which is movably arranged within the gas flow channel (101) and used for driving a fluid in the gas flow channel (101) to flow from the air inlet (1011) to the air outlet (1012); and a second working element, which is movably arranged within the liquid flow channel (102) and used for driving a fluid in the liquid flow channel (102) to flow from the liquid inlet (1021) to the liquid outlet (1022). The driving device (10) has a first output end (10a) in driving engagement with the first working element and a second output end (10b) in driving engagement with the second working element, and is used for driving the first working element and the second working element to move separately. In the fan and water pump assembly, integration of the functions of a fan and a water pump reduces cost and improves structural compactness, thereby reducing the size, saving mounting space.

Description

Fan and pump assembly and gas water heating device

[0001] Related applications

[0002] The present application claims priority to the Chinese patent application No. 202411238766.3, filed on September 3, 2024, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0003] The present application relates to the technical field of gas water heating device, in particular to a fan and pump assembly and gas water heating device. BACKGROUND

[0004] Fan and pump are common components in industry for providing power for fluid transportation. For example, in a gas water heating device, a fan is usually provided for driving the flow of gas phase fluid, and a pump is usually provided for driving the flow of liquid phase fluid. However, the fan and the pump are usually provided independently, and a set of driving device needs to be configured for each of them, which is high in overall cost. Moreover, the fan and the pump are provided separately, which is not compact in structure and occupies a large installation space. SUMMARY

[0005] The main purpose of the present application is to provide a fan and pump assembly and gas water heating device, which can integrate the functions of fan and pump, reduce the cost, improve the compactness of the structure, reduce the volume, and save the installation space.

[0006] To achieve the above purpose, the fan and pump assembly provided by the present application comprises a driving device, a first working element, and a second working element.

[0007] In an embodiment, the driving device has a gas flow channel and a liquid flow channel which are independent of each other. The gas flow channel has an air inlet and an air outlet, and the liquid flow channel has a liquid inlet and a liquid outlet.

[0008] In an embodiment, the first working element is movably arranged in the gas flow channel, and is used to drive the fluid in the gas flow channel to flow from the air inlet to the air outlet.

[0009] In an embodiment, the second working element is movably arranged in the liquid flow channel, and is used to drive the fluid in the liquid flow channel to flow from the liquid inlet to the liquid outlet.

[0010] In an embodiment, the driving device has a first output end which is in driving cooperation with the first working element, and a second output end which is in driving cooperation with the second working element, and is used to drive the first working element and the second working element to move, respectively.

[0011] In an embodiment, the first working element is configured as a wind wheel driven to rotate by the first output end, and the second working element is configured as a pump wheel driven to rotate by the second output end.

[0012] The first output end and the second output end are configured to output torque independently of each other to drive the wind wheel and the pump wheel to rotate independently of each other, or the first output end and the second output end are configured to output torque synchronously to drive the wind wheel and the pump wheel to rotate synchronously.

[0013] In an embodiment, power is transmitted between the second output end and the pump wheel through a non-contact transmission assembly.

[0014] In an embodiment, the non-contact transmission assembly comprises a first magnetic element arranged on the second output end and a second magnetic element arranged on the pump wheel, and the first magnetic element and the second magnetic element are driven through magnetic coupling.

[0015] In an embodiment, the driving device comprises a driving motor, the driving motor comprises a stator, a first rotor and a second rotor, the first rotor is configured to form the first output end, the second rotor is configured to form the second output end, the stator and the first rotor together form a first magnetic circuit to drive the first rotor to rotate, and the stator and the second rotor together form a second magnetic circuit to drive the second rotor to rotate.

[0016] In an embodiment, the stator comprises a stator core, and a first winding coil and a second winding coil arranged on the stator core, the first winding coil is driven to cooperate with the first rotor, and the second winding coil is driven to cooperate with the second rotor.

[0017] In an embodiment, the first rotor and the second rotor are arranged in a radial direction of the stator, or the first rotor and the second rotor are arranged in an axial direction of the stator.

[0018] In an embodiment, the driving device further comprises a volute connected to one side of the driving motor, the volute and the driving motor together form the gas flow channel, and a sealing structure is arranged at a connection part between the volute and the driving motor.

[0019] In an embodiment, the driving device further comprises a pump shell connected to one side of the driving motor, the pump shell and the driving motor together form the liquid flow channel, and a sealing structure is arranged at a connection part between the pump shell and the driving motor.

[0020] In an embodiment, the driving device comprises a rotor, a stator and an output shaft, the rotor is sleeved on the periphery of the output shaft and can drive the output shaft to rotate, the output shaft has the first output end and the second output end formed at two ends thereof respectively, the wind wheel and the pump wheel are connected to the two ends of the output shaft respectively, and the stator is sleeved on the periphery of the rotor and forms a magnetic circuit with the rotor to drive the rotor to rotate.

[0021] In an embodiment, the wind wheel is a centrifugal wind wheel.

[0022] In an embodiment, the wind wheel comprises at least two layers of impellers arranged in an axial direction.

[0023] The application further provides a gas water heating device, which comprises a main body and the fan water pump assembly.

[0024] In an embodiment, the main body comprises a gas system and a water system.

[0025] In an embodiment, the fan water pump assembly is installed on the main body, the gas flow channel of the fan water pump assembly is communicated with the gas system, and the liquid flow channel of the fan water pump assembly is communicated with the water system.

[0026] The fan water pump assembly of the application can simultaneously transport gas-phase fluid and liquid-phase fluid by arranging independent gas flow channels and liquid flow channels in the driving device. The driving device drives the first working element to move through the first output end, and then the first working element can work on the gas-phase fluid in the gas flow channel to convert the mechanical energy output by the first output end of the driving device into kinetic energy and potential energy of the fluid, and then drive the gas-phase fluid to flow from the air inlet to the air outlet at a preset flow rate, thereby realizing the function of the fan. The driving device drives the second working element to move through the second output end, and then the second working element can work on the liquid-phase fluid in the liquid flow channel to convert the mechanical energy output by the second output end of the driving device into kinetic energy and potential energy of the liquid, and then drive the liquid-phase fluid to flow from the liquid inlet to the liquid outlet at a preset flow rate, thereby realizing the function of the water pump. In this way, the functions of the fan and the water pump can be integrated, the first working element and the second working element share one set of driving device, which can reduce the cost, and compared with the fan and the water pump arranged separately, the overall structure of the fan water pump assembly is more compact, the integration degree is higher, and the overall volume is smaller, which can save installation space. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in these drawings without creative labor.

[0028] Fig. 1 is a structural schematic diagram of an embodiment of a fan water pump assembly provided by the present application;

[0029] Fig. 2 is a structural schematic diagram of another view of the fan water pump assembly in Fig. 1;

[0030] Fig. 3 is an exploded structural schematic diagram of the fan water pump assembly in Fig. 1;

[0031] Fig. 4 is a sectional structural schematic diagram of an embodiment of a fan water pump assembly provided by the present application;

[0032] Fig. 5 is a sectional structural schematic diagram of another embodiment of a fan water pump assembly provided by the present application;

[0033] Fig. 6 is a structural schematic diagram of an embodiment of a gas water heating device provided by the present application.

[0034] Explanation of reference signs:

[0035] 1000, gas water heating device;

[0036] 100, fan water pump assembly; 10, driving device; 101, gas flow channel; 1011, air inlet; 1012, air outlet; 102, liquid flow channel; 1021, liquid inlet; 1022, liquid outlet; 10a, first output end; 10b, second output end; 11, driving motor; 110, rotor; 111, stator; 112, first rotor; 1121, rotor shell; 1122, first rotating shaft; 1123, first magnetic ring; 113, second rotor; 1131, shaft sleeve; 1132, second rotating shaft; 1133, second magnetic ring; 114, machine shell; 1141, end plate; 1142, shell body; 1143, convex rib; 115, shielding cover; 116, fixed shaft; 117, bearing; 118, output shaft; 12, volute; 13, pump shell; 20, fan wheel; 30, pump wheel;

[0037] 200, main body.

[0038] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the drawings. Embodiment of the present application

[0039] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of the present application.

[0040] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0041] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included. For example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of a person of ordinary skill in the art, and when the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope of the present application.

[0042] A fan and a water pump are common components in industry for providing power for fluid delivery. For example, in a gas water heating device, a fan is usually provided for driving the flow of gas phase fluid, and a water pump is provided for driving the flow of liquid phase fluid. However, the fan and the water pump are usually independently provided, and a set of driving device needs to be configured respectively, the overall cost is high, and a large installation space is occupied, and the fan and the water pump need to be installed respectively, and the installation efficiency is low.

[0043] The present application provides a fan and water pump assembly 100, which can integrate the functions of the fan and the water pump, reduce the cost, improve the compactness of the structure, reduce the volume, and save the installation space.

[0044] Please refer to FIG. 1 to FIG. 4, in an embodiment of the present application, the fan water pump assembly 100 includes a driving device 10, a first working element and a second working element. The driving device 10 has a gas flow channel 101 and a liquid flow channel 102 which are independent of each other, the gas flow channel 101 has an air inlet 1011 and an air outlet 1012, and the liquid flow channel 102 has a liquid inlet 1021 and a liquid outlet 1022; the first working element is movably arranged in the gas flow channel 101, and is used to drive the fluid in the gas flow channel 101 to flow from the air inlet 1011 to the air outlet 1012; the second working element is movably arranged in the liquid flow channel 102, and is used to drive the fluid in the liquid flow channel 102 to flow from the liquid inlet 1021 to the liquid outlet 1022; the driving device 10 has a first output end 10a which is in driving cooperation with the first working element, and a second output end 10b which is in driving cooperation with the second working element, and is used to drive the first working element and the second working element to move respectively.

[0045] In the embodiment, the driving device 10 outputs power through the first output end 10a and the second output end 10b, and in an embodiment, the first output end 10a and the second output end 10b are configured to output power independently of each other, so as to drive the first working element and the second working element to move independently. The first working element is movably arranged in the gas flow channel 101, and is driven to move by the first output end 10a, and then can work on the gas-phase fluid in the gas flow channel 101 by the first working element, so as to convert the mechanical energy output by the first output end 10a of the driving device 10 into kinetic energy and potential energy of the fluid, and then drive the gas-phase fluid to flow from the air inlet 1011 to the air outlet 1012 at a preset flow rate, so as to realize the function of the fan; wherein the first working element includes but is not limited to rotating, plunger type movement and the like to realize the work on the gas-phase fluid in the gas flow channel 101. In an embodiment, the first working element is a fan wheel 20 which is rotatably arranged in the gas flow channel. The second working element is movably arranged in the liquid flow channel 102, and is driven to move by the second output end 10b, and then can work on the liquid-phase fluid in the liquid flow channel 102 by the second working element, so as to convert the mechanical energy output by the second output end 10b of the driving device 10 into kinetic energy and potential energy of the liquid, and then drive the liquid-phase fluid to flow from the liquid inlet 1021 to the liquid outlet 1022 at a preset flow rate, so as to realize the function of the water pump; wherein the second working element includes but is not limited to rotating, plunger type movement and the like to realize the work on the gas-phase fluid in the gas flow channel 101. In an embodiment, the second working element is a pump wheel 30 which is rotatably arranged in the liquid flow channel 102. Wherein the number of the air inlet 1011, the air outlet 1012, the liquid inlet 1021 and the liquid outlet 1022 can be one, two or more. The number of the first working element and the second working element can be one, two or more.

[0046] As shown in FIG. 6, the fan water pump assembly 100 can be applied to a gas water heating device 1000, wherein the gas water heating device 1000 includes but is not limited to a gas water heater, a gas heating stove, etc. The gas water heating device 1000 includes a main body 200 and the fan water pump assembly 100 installed on the main body 200, the main body 200 has a gas path system for the flow of gas (for example, gas or high-temperature flue gas generated after combustion), and a water path system for the flow of liquid. The gas flow channel 101 of the fan water pump assembly 100 can be in communication with the gas path system, and the liquid flow channel 102 of the fan water pump assembly 100 can be in communication with the water path system. When the fan water pump assembly 100 is working, the first working element is driven by the driving device 10 to work on the gas in the gas flow channel 101, realizing the function of the fan, and then the gas can be driven to flow along the gas path system. The second working element is driven by the driving device 10 to work on the liquid in the liquid flow channel 102, realizing the function of the water pump, and then the liquid can be driven to flow along the water path system. Among them, the gas water heating device 1000 can be a strong drum type gas water heating device 1000, or a strong suction type gas water heating device 1000. In the strong drum type gas water heating device 1000, the air outlet 1012 of the gas flow channel 101 can be communicated with the inlet end of the gas path system to realize the function of the air blower; in the strong suction type gas water heating device 1000, the air inlet 1011 of the gas flow channel 101 can be communicated with the outlet end of the gas path system to realize the function of the air blower.

[0047] The fan water pump assembly 100 of the technical scheme of the present application can simultaneously transport gas-phase fluid and liquid-phase fluid by providing independent gas flow channel 101 and liquid flow channel 102 in the driving device 10. The first working element is driven by the first output end 10a of the driving device 10 to move, and then the first working element can work on the gas-phase fluid in the gas flow channel 101 to convert the mechanical energy output by the first output end 10a of the driving device 10 into kinetic energy and potential energy of the fluid, and then drive the gas-phase fluid to flow from the air inlet 1011 to the air outlet 1012 at a preset flow rate, thereby realizing the function of the fan; the second working element is driven by the second output end 10b of the driving device 10 to move, and then the second working element can work on the liquid-phase fluid in the liquid flow channel 102 to convert the mechanical energy output by the second output end 10b of the driving device 10 into kinetic energy and potential energy of the liquid, and then drive the liquid-phase fluid to flow from the liquid inlet 1021 to the liquid outlet 1022 at a preset flow rate, thereby realizing the function of the water pump. In this way, the functions of the fan and the water pump can be integrated, the first working element and the second working element share a set of driving device 10, which can reduce the cost, and compared with the fan and the water pump arranged separately, the overall structure of the fan water pump assembly 100 is more compact, the integration degree is higher, and the overall volume is smaller, which can save installation space.

[0048] When the fan and water pump assembly 100 is applied to the gas water heater 1000, only one set of driving device 10 is needed to realize the functions of fan and water pump, which can reduce the cost of the gas water heater 1000; and the integration of the fan and water pump assembly 100 is higher, the number of driving devices 10 is reduced, the internal installation space of the gas water heater 1000 can be saved, which is beneficial to reduce the volume of the gas water heater 1000, and is beneficial to make the gas water heater 1000 have more internal installation space for installation of other expansion function modules. When assembling the gas water heater 1000, the fan and water pump assembly 100 only needs to be installed on the main body once, which can simplify the installation steps and improve the assembly efficiency of the gas water heater 1000.

[0049] In an embodiment, the first output end 10a and the second output end 10b are configured to output torque independently of each other, the first working element is configured to be driven to rotate by the first output end 10a, and the second working element is configured to be driven to rotate by the second output end 10b.

[0050] In this embodiment, the driving device 10 generates power when working, outputs torque through the first output end 10a to transmit power to the fan wheel 20, and drives the fan wheel 20 to rotate at a certain speed, so that the fan wheel 20 can do work on the gas-phase fluid in the gas flow channel 101 to drive the gas-phase fluid to flow from the air inlet 1011 to the air outlet 1012 at a preset flow rate, thereby realizing the function of the fan; the second output end 10b outputs torque to transmit power to the pump wheel 30, and drives the pump wheel 30 to rotate at a certain speed, so that the pump wheel 30 can do work on the liquid-phase fluid in the liquid flow channel 102 to drive the liquid-phase fluid to flow from the liquid inlet 1021 to the liquid outlet 1022 at a preset flow rate, thereby realizing the function of the water pump. The fan wheel 20 and the pump wheel 30 rotate to do work on the fluid, which has high work efficiency and makes the structure of the driving device 10 simpler.

[0051] The first output end 10a and the second output end 10b are configured to be capable of torque output independently of each other, that is, the torque output by the first output end 10a and the second output end 10b is independent of each other and does not interfere with each other. For example, the first output end 10a and the second output end 10b can output the same size torque or different size torque; for another example, the first output end 10a and the second output end 10b can output torque at the same time or one of them outputs torque and the other does not work. It can be understood that the torque output by the first output end 10a and the second output end 10b is independent of each other, so that the wind wheel 20 and the pump wheel 30 can operate independently of each other, for example, the wind wheel 20 and the pump wheel 30 can rotate synchronously or asynchronously, for another example, the rotational speed of the wind wheel 20 and the pump wheel 30 can be the same or different; in this way, it can better adapt to different working conditions.

[0052] In an embodiment, the rotational speed of the wind wheel 20 is n1 and the rotational speed of the pump wheel 30 is n2, wherein the ratio of n1 and n2 is a fixed constant. In this way, the rotational speed ratio of the wind wheel 20 and the pump wheel 30 is always fixed to better adapt to specific application scenarios. The fixed constant can be set according to the actual application scenario, for example, it can be 1, 2, 3, etc., which is not limited here.

[0053] The first output end 10a and the wind wheel 20 can be directly drivingly connected, or the first output end 10a and the wind wheel 20 are indirectly drivingly connected through a transmission structure; the second output end 10b and the pump wheel 30 can be directly drivingly connected, or the second output end 10b and the pump wheel 30 are indirectly drivingly connected through a transmission structure. The first output end 10a and the wind wheel 20 can adopt contact power transmission or non-contact power transmission. The second output end 10b and the pump wheel 30 can adopt contact power transmission or non-contact power transmission.

[0054] In an embodiment, the second output end 10b and the pump wheel 30 are drivingly connected through a non-contact transmission assembly. In this way, the second output end 10b of the driving device 10 and the pump wheel 30 can be separated to improve the sealing performance of the liquid flow channel 102. The non-contact transmission assembly includes but is not limited to magnetic coupling, electromagnetic induction transmission, and capacitive coupling transmission.

[0055] In an embodiment, the non-contact transmission assembly includes a first magnetic member arranged on the second output end 10b and a second magnetic member arranged on the pump wheel 30, and the first magnetic member and the second magnetic member are drivingly connected through magnetic coupling. When the second output end 10b rotates, the first magnetic member can be driven to rotate, and the first magnetic member drives the second magnetic member to rotate through magnetic force, thereby driving the pump wheel 30 to rotate. In this way, non-contact transmission between the second output shaft and the pump wheel 30 can be achieved.

[0056] In view of the fact that the wind wheel 20 is larger in size and heavier in weight than the pump wheel 30, in an embodiment, the first output end 10a is directly drivingly connected with the wind wheel 20, so that the wind wheel 20 can be directly driven to rotate by the first output end 10a, and power transmission can be more stable, and the rotation of the wind wheel 20 is more stable and reliable.

[0057] As shown in FIG. 4, in an embodiment, the driving device 10 comprises a driving motor 11, the driving motor 11 comprising a stator 111, a first rotor 112 and a second rotor 113, the first rotor 112 being configured to form the first output end 10a, the second rotor 113 being configured to form the second output end 10b, the stator 111 and the first rotor 112 together forming a first magnetic circuit to drive the first rotor 112 to rotate, and the stator 111 and the second rotor 113 together forming a second magnetic circuit to drive the second rotor 113 to rotate.

[0058] In the present embodiment, the driving motor 11 is a double-rotor motor, and the two rotors of the double-rotor motor are drivingly connected with the wind wheel 20 and the pump wheel 30 respectively, so that only one set of electric control system is needed to control the driving motor 11 to work, and the wind wheel 20 and the pump wheel 30 can be driven to rotate by the driving motor 11. The stator 111 and the first rotor 112 form a first magnetic circuit through an air gap, and the coil winding of the stator 111 can drive the first rotor 112 to rotate through the magnetic field of the first magnetic circuit, and then drive the wind wheel 20 to rotate through the first rotor 112. The stator 111 and the second rotor 113 form a second magnetic circuit through an air gap, and the coil winding of the stator 111 can drive the second rotor 113 to rotate through the magnetic field of the second magnetic circuit, and then drive the pump wheel 30 to rotate through the second rotor 113. The first rotor 112 and the second rotor 113 share one stator 111, and compared with a double-stator double-rotor motor, one stator 111 can be saved, the overall structure is simpler, the cost is lower, and the size is smaller.

[0059] In an embodiment, the stator 111 comprises a stator core, and a first winding coil and a second winding coil wound on the stator core, the first winding coil drivingly cooperates with the first rotor 112, and the second winding coil drivingly cooperates with the second rotor 113. The first winding coil and the second winding coil can be controlled by different circuits respectively, so as to realize independent driving of the first rotor 112 and the second rotor 113, and realize independent rotation of the wind wheel 20 and the pump wheel 30. In an embodiment, the stator 111 further comprises an insulation system coated on the surface of the stator core, and the winding coil can be separated from the stator core by the insulation system to avoid scratching or short circuit risk of the winding coil. The insulation system can be realized by spraying an insulation layer on the surface of the stator core, or realized by assembling an insulation skeleton outside the stator core.

[0060] In an embodiment, the first rotor 112 and the second rotor 113 are arranged in a radial direction of the stator 111, for example, the driving motor 11 can be a radial flux double rotor motor. Alternatively, the first rotor 112 and the second rotor 113 are arranged in an axial direction of the stator 111, for example, the driving motor 11 can be an axial flux double rotor motor.

[0061] As shown in FIG. 4, in an embodiment, the stator 111 is arranged in a ring shape, the first rotor 112 is arranged around the periphery of the stator 111, and the second rotor 113 is arranged in the inner cavity of the stator 111. In this embodiment, the first rotor 112 is an outer rotor rotatably sleeved around the periphery of the stator 111, and the second rotor 113 is an inner rotor rotatably arranged in the inner cavity of the stator 111. In this way, the first rotor 112 and the second rotor 113 are arranged in a radial direction of the stator 111, and the overall arrangement structure is simple, which is conducive to reducing the size of the driving device 10 in the axial direction, and further reducing the volume of the fan and pump assembly 100.

[0062] As shown in FIG. 4, in an embodiment, the driving assembly further comprises a shield 115, the stator 111 is sleeved around the periphery of the shield 115, the first rotor 112 is sleeved around the periphery of the stator 111 and is rotatably connected with the shield 115, and the second rotor 113 is rotatably arranged in the shield 115. In this embodiment, the shield 115 can be used as a mounting carrier of the stator 111, the first rotor 112 and the second rotor 113, so as to facilitate the mounting of the three. Moreover, by arranging the shield 115, the second rotor 113 can be separated from the stator 111, which plays a role of dry and wet isolation, so as to prevent the water in the liquid flow channel 102 from entering the stator 111, thereby ensuring the safety of the driving device 10. The stator 111 and the shield 115 can be fixed by means of glue filling (for example, epoxy resin material) or BMC injection.

[0063] In an embodiment, the shield 115 is provided with a bearing 117, the first rotor 112 comprises a rotor shell 1121, a first magnetic ring 1123 and a first rotating shaft 1122, the rotor shell 1121 is sleeved on the periphery of the stator 111, the first magnetic ring 1123 is fixed on the inner circumferential surface of the rotor shell 1121 and is arranged opposite to the stator 111, one end of the first rotating shaft 1122 is connected with the bearing 117, the other end is connected with the rotor shell 1121, and the wind wheel 20 is connected with the rotor shell 1121. In the embodiment, the first magnetic ring 1123 can be fixed on the inner circumferential surface of the rotor shell 1121 by means of adhesion or fastener connection or the like, one end of the first rotating shaft 1122 is connected with the bearing 117 in the first accommodating cavity, and the other end of the first rotating shaft 1122 can be connected and fixed with the rotor shell 1121 by means of fastener connection or interference fit or the like, and the bearing 117 can stably support the first rotor 112 to ensure the stability of the rotation of the first rotor 112. The wind wheel 20 and the rotor shell 1121 can be integrally formed or can be in a split structure and then assembled and fixed.

[0064] In an embodiment, the driving device 10 further comprises a fixed shaft 116 connected with the shield 115, the second rotor 113 comprises a shaft sleeve 1131, a second rotating shaft 1132 and a second magnetic ring 1133 which are sequentially sleeved on the periphery of the fixed shaft 116 from inside to outside, and the second rotating shaft 1132 is connected with the pump wheel 30. In the embodiment, the fixed shaft 116 is connected and fixed with the shield 115, the shaft sleeve 1131 is rotatably sleeved on the periphery of the fixed shaft 116, the second rotating shaft 1132 is fixed on the periphery of the shaft sleeve 1131, the second magnetic ring 1133 is fixed on the periphery of the second rotating shaft 1132, and the second magnetic ring 1133 and the stator 111 assembly form a second magnetic circuit through an air gap. The magnetic field in the second magnetic circuit drives the second magnetic ring 1133 to rotate, and then drives the second rotating shaft 1132 to rotate through the second magnetic ring 1133, and drives the pump wheel 30 to rotate through the second rotating shaft 1132, thereby realizing the water pump function.

[0065] As shown in FIGS. 3 and 4, in an embodiment, the driving device 10 further comprises a pump shell 13 connected to one side of the driving motor 11, the pump shell 13 and the driving motor 11 jointly form a liquid flow channel 102, and the connection part of the pump shell 13 and the driving motor 11 is provided with a sealing structure. That is, the pump shell 13 has an opening facing the driving motor 11, and when the pump shell 13 and the driving motor 11 are assembled in place, the end surface of the driving motor 11 can function as a cover plate of the pump shell 13 to cover the opening of the pump shell 13, so that the cover plate of the pump shell 13 can be omitted, thereby saving materials, reducing costs, and reducing the volume of the fan water pump assembly 100. The connection part of the pump shell 13 and the driving motor 11 is provided with a sealing structure to ensure the sealing performance of the liquid flow channel 102.

[0066] As shown in FIG. 3 and FIG. 4, in an embodiment, the driving motor 11 further comprises a volute 12 connected to the other side of the driving motor 11, and the volute 12 and the driving motor 11 jointly define the gas flow channel 101. That is, the volute 12 has an opening facing the driving motor 11, and when the volute 12 and the driving motor 11 are assembled in place, the end face of the driving motor 11 can function as a cover plate of the volute 12 to cover the opening of the volute 12, so that the cover plate of the volute 12 can be omitted, thereby saving materials, reducing costs, and reducing the volume of the fan and pump assembly 100. In an embodiment, a sealing structure is provided at the connection between the volute 12 and the driving motor 11.

[0067] As shown in FIG. 2 and FIG. 4, in an embodiment, the casing 114 comprises an end plate 1141 and a casing body 1142 provided on one side of the end plate 1141, the end plate 1141 protrudes from the outer peripheral surface of the casing body 1142, the volute 12 and the end plate 1141 jointly define the gas flow channel 101, the pump casing 13 is provided on the side of the casing body 1142 away from the end plate 1141, the side of the volute 12 away from the end plate 1141 is provided with an air inlet 1011, and the peripheral side of the volute 12 is provided with an air outlet 1012. In an embodiment, the end plate 1141 and the casing body 1142 are integrally formed, for example, the end plate 1141 and the casing body 1142 can be integrally injection molded. In an embodiment, the side of the end plate 1141 facing the casing body 1142 is provided with a protruding rib 1143, which can play a role in structural reinforcement and is also conducive to heat dissipation of the driving device 10.

[0068] In an embodiment, the impeller 20 is a centrifugal impeller 20, which can provide relatively large air volume and air force with lower energy consumption, is more energy-saving, has stable structure, and produces less noise. In an embodiment, the impeller 20 comprises at least two layers of impellers arranged in the axial direction. The impeller 20 adopts at least two layers of impellers, which is conducive to improving aerodynamic performance, reducing noise, and improving work efficiency. In an embodiment, the impeller 20 adopts a centrifugal impeller 20 having at least two layers of impellers.

[0069] In another embodiment, the first work element is configured as the impeller 20 driven to rotate by the first output end 10a, and the second work element is configured as the pump wheel 30 driven to rotate by the second output end 10b; the first output end 10a and the second output end 10b are configured to synchronously output torque to enable the impeller 20 and the pump wheel 30 to rotate synchronously. In this way, when the fan and pump assembly 100 is running, the driving device 10 can simultaneously drive the impeller 20 and the pump wheel 30 to rotate at the same speed to simultaneously realize the functions of the fan and the pump.

[0070] As shown in FIG. 5, in an embodiment, the driving device 10 comprises a rotor 110, a stator 111 and an output shaft 118, the rotor 110 is sleeved on the periphery of the output shaft 118 and can drive the output shaft 118 to rotate together, the two ends of the output shaft 118 form a first output end 10a and a second output end 10b respectively, the wind wheel 20 and the pump wheel 30 are connected to the two ends of the output shaft 118 respectively, and the stator 111 is sleeved on the periphery of the rotor 110 and forms a magnetic circuit with the rotor 110 to drive the rotor 110 to rotate.

[0071] In the embodiment, the driving device 10 can comprise a driving motor 11 and a volute 12 and a pump shell 13 arranged at the two ends of the driving motor 11 respectively. The driving motor 11 comprises a motor shell 114, a rotor 110, a stator 111 and an output shaft 118. The stator 111 is fixed in the motor shell 114, for example, the stator 111 can be assembled in the cavity of the motor shell 114, or the stator 111 can be integrally plastic-wrapped on the shell wall of the motor shell 114. The stator 111 can comprise a stator core and a winding coil arranged on the stator core, and the winding coil is electrified to drive the rotor 110 to rotate. In an embodiment, the stator 111 further comprises an insulation system wrapped on the surface of the stator core, and the winding coil can be separated from the stator core through the insulation system to avoid scratching the winding coil or causing short circuit risk. The insulation system can be realized by spraying an insulation layer on the surface of the stator core, or realized by assembling an insulation framework outside the stator core. The rotor 110 is accommodated in the inner cavity of the stator 111, and the output shaft 118 penetrates the central position of the rotor 110, the two ends of the output shaft 118 respectively penetrate the two sides of the motor shell 114, and the end of the output shaft 118 close to the volute 12 forms the first output end 10a to connect the wind wheel 20, and the end of the output shaft 118 close to the pump shell 13 forms the second output end 10b to connect the pump wheel 30. When the coil winding of the stator 111 is electrified to drive the rotor 110 to rotate, the rotor 110 rotates to drive the output shaft 118 to rotate together, so as to drive the wind wheel 20 and the pump wheel 30 to rotate synchronously through the output shaft 118, at this time, the wind wheel 20 and the pump wheel 30 can realize simultaneous, same direction and same speed rotation.

[0072] As shown in FIG. 6, the application also provides a gas water heating equipment 1000, which comprises a main body 200 and a fan and pump assembly 100, the main body 200 has a gas path system and a water path system; the fan and pump assembly 100 is installed on the main body 200, the gas flow channel 101 of the fan and pump assembly 100 communicates with the gas path system, and the liquid flow channel 102 of the fan and pump assembly 100 communicates with the water path system. The specific structure of the fan and pump assembly 100 refers to the above-mentioned embodiments, since the gas water heating equipment 1000 adopts all the technical solutions of the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here.

[0073] The gas water heating equipment 1000 includes, but is not limited to, a gas water heater, a gas heating stove, etc. The gas water heating equipment 1000 includes, but is not limited to, a strong-drum type gas water heating equipment 1000 and a strong-extraction type gas water heating equipment 1000.

[0074] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation, direct / indirect application in other related technical fields, or the like, which is made based on the technical concept of the present application and the content of the specification and drawings, is included in the patent protection scope of the present application.

Claims

1. A fan pump assembly, wherein, The fan water pump assembly comprises: a driving device having a gas flow channel and a liquid flow channel independent of each other, the gas flow channel having an air inlet and an air outlet, the liquid flow channel having a liquid inlet and a liquid outlet; a first working element movably arranged in the gas flow channel, for driving the fluid in the gas flow channel to flow from the air inlet to the air outlet; and a second working element movably arranged in the liquid flow channel, for driving the fluid in the liquid flow channel to flow from the liquid inlet to the liquid outlet; the driving device has a first output end drivingly matched with the first working element, and a second output end drivingly matched with the second working element, for driving the first working element and the second working element to move, respectively.

2. The fan pump assembly of claim 1, wherein, The first working element is configured as an air wheel driven to rotate by the first output end, and the second working element is configured as a pump wheel driven to rotate by the second output end. The first output end and the second output end are configured to output torque independently of each other, so that the air wheel and the pump wheel rotate independently of each other; or, the first output end and the second output end are configured to output torque synchronously, so that the air wheel and the pump wheel rotate synchronously.

3. The fan pump assembly of claim 2, wherein, Power transmission is performed between the second output end and the pump wheel through a non-contact transmission assembly.

4. The fan pump assembly of claim 3, wherein, The non-contact transmission assembly comprises a first magnetic member arranged on the second output end, and a second magnetic member arranged on the pump wheel, the first magnetic member and the second magnetic member being coupled and driven by magnetism.

5. The fan pump assembly of any one of claims 1 to 4, wherein, The driving device comprises a driving motor, the driving motor comprising a stator, a first rotor and a second rotor, the first rotor being configured to form the first output end, the second rotor being configured to form the second output end, the stator and the first rotor together being configured to form a first magnetic circuit to drive the first rotor to rotate, the stator and the second rotor together being configured to form a second magnetic circuit to drive the second rotor to rotate.

6. The fan pump assembly of claim 5, wherein, The stator comprises a stator core, and a first winding coil and a second winding coil arranged on the stator core, the first winding coil being drivingly matched with the first rotor, and the second winding coil being drivingly matched with the second rotor.

7. The fan pump assembly of claim 5 or 6, wherein, The first rotor and the second rotor are arranged in the radial direction of the stator; or, the first rotor and the second rotor are arranged in the axial direction of the stator.

8. The fan pump assembly of any one of claims 5-7, wherein, The driving device further comprises a volute connected to one side of the driving motor, the volute and the driving motor together forming the gas flow channel, and a sealing structure being arranged at the connection part of the volute and the driving motor; and / or, the driving device further comprises a pump shell connected to one side of the driving motor, the pump shell and the driving motor together forming the liquid flow channel, and a sealing structure being arranged at the connection part of the pump shell and the driving motor.

9. The fan pump assembly of any one of claims 2-8, wherein, The driving device comprises a rotor, a stator and an output shaft, the rotor is sleeved on the periphery of the output shaft and drives the output shaft to rotate together, two ends of the output shaft form the first output end and the second output end respectively, the wind wheel and the pump wheel are connected to the two ends of the output shaft respectively, the stator is sleeved on the periphery of the rotor and forms a magnetic circuit with the rotor to drive the rotor to rotate.

10. The fan pump assembly of any one of claims 2-9, wherein, The wind wheel is a centrifugal wind wheel. And / or, the wind wheel comprises at least two layers of impellers arranged in the axial direction.

11. A gas water heating apparatus wherein, The gas water heating equipment comprises: a main body comprising a gas path system and a water path system; and a fan water pump assembly as claimed in any one of claims 1 to 10 is installed on the main body, a gas flow channel of the fan water pump assembly is communicated with the gas path system, and a liquid flow channel of the fan water pump assembly is communicated with the water path system.

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