CN111380219B

CN111380219B - Supporting mechanism

Info

Publication number: CN111380219B
Application number: CN201811608630.1A
Authority: CN
Inventors: 代南海; 王海丽; 安晖
Original assignee: Haier Smart Home Co Ltd; Qingdao Haigao Design and Manufacturing Co Ltd
Current assignee: Haier Smart Home Co Ltd; Qingdao Haigao Design and Manufacturing Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2024-03-12
Anticipated expiration: 2038-12-27
Also published as: CN111380219A

Abstract

The invention discloses a supporting mechanism, and belongs to the technical field of water heaters. The supporting mechanism comprises a base and a bearing rod, and further comprises an upper bearing partition plate, a lower supporting rod and an upper supporting rod, wherein the bearing rod penetrates through the lower bearing partition plate, two ends of the bearing rod are respectively connected with the base and the upper bearing partition plate, the lower supporting rod is arranged between the base and the lower bearing partition plate, and the upper supporting rod is arranged between the lower bearing partition plate and the upper bearing partition plate. By adopting the embodiment, the torsion and the lateral force can be resisted, the gravity center of the water tank is reduced, the stability of the water tank is ensured, and the problem which has long puzzled the person skilled in the art is effectively solved. A heat pump water heater is also disclosed.

Description

Supporting mechanism

Technical Field

The invention relates to the technical field of water heaters, in particular to a supporting mechanism.

Background

The heat pump water heater can absorb low-temperature heat in air, gasify the low-temperature heat by a fluorine medium, then compress the low-temperature heat by a compressor, boost the pressure and heat the high-temperature heat by a heat exchanger to heat water, and the compressed high-temperature heat is used for heating water temperature.

The main working part of the heat pump water heater is a compressor, and the compressor can vibrate during working, so that great noise exists, the vibration of the compressor can be well restrained by placing the water tank of the heat pump water heater on the upper side, the noise is reduced, but the unstable gravity center can be caused by placing the water tank on the upper side, and the problem cannot be solved in the prior art, so that the problem is always plagued by the technicians in the field.

Disclosure of Invention

The embodiment of the invention provides a supporting mechanism. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

According to a first aspect of an embodiment of the present invention, there is provided a support mechanism.

In some alternative embodiments, a supporting mechanism comprises a base and a bearing rod, and further comprises an upper bearing partition plate, a lower supporting rod and an upper supporting rod, wherein the bearing rod penetrates through the lower bearing partition plate, two ends of the bearing rod are respectively connected with the base and the upper bearing partition plate, the lower supporting rod is arranged between the base and the lower bearing partition plate, and the upper supporting rod is arranged between the lower bearing partition plate and the upper bearing partition plate.

Adopt this optional embodiment, utilize the bearing pole to support lower bearing baffle and last bearing baffle, let lower bearing baffle and last bearing baffle have bearing capacity, be equipped with down the bracing piece simultaneously between base and lower bearing baffle, can guarantee the stability of lower bearing baffle, be equipped with the bracing piece between lower bearing baffle and the last bearing baffle and support, connect lower bearing baffle and last bearing baffle into the whole of same atress, simultaneously, empty the space in the middle of lower bearing baffle and the last bearing baffle, provide sufficient installation space for the wind channel structure, generally under the circumstances that remains reasonable installation space, stability when improving supporting mechanism upside bearing.

Optionally, the bearing rod is solid cylindrical structure, and the lower extreme of bearing rod is equipped with the stationary blade, and the bearing rod passes the downside of lower bearing baffle part and is equipped with the support arch for support lower bearing baffle, the diameter of bearing rod and the weight that needs to bear are directly proportional. Adopt this alternative embodiment, utilize solid columniform structure to provide sufficient bearing capacity to utilize the stationary blade of bearing rod lower extreme to fix the bearing rod on the base, prevent the rotation of bearing rod, increase the stability of structure, the supporting bulge on the bracing piece then can play the supporting role to lower bearing baffle, lets lower bearing baffle have sufficient bearing capacity, the diameter of bearing rod and the weight Cheng Zhengbi that needs to bear, makes the bearing rod keep sufficient bearing capacity, and reduces the occupation of space, and reduce manufacturing cost.

Optionally, a groove is formed in the base, a lower support rod fixing groove and two lower bearing rod fixing grooves are formed in the groove, and the positions of the centers of the two lower bearing rod fixing grooves are symmetrical with respect to the center of the base. Adopt this optional embodiment, utilize the lower fixed slot of the bearing rod on the base to fix the lower extreme of bearing rod, and can install two bearing rods, in limited space, provide sufficient bearing capacity to the mounted position of two bearing rods is strictly symmetrical, prevents to cause the inhomogeneous condition of bearing capacity.

Optionally, the upper side of the upper bearing partition plate is provided with a concave spherical structure, the circle center of the concave spherical structure is provided with a water tank fixing structure, and the lower side of the upper bearing partition plate is provided with an upper supporting rod fixing groove and two upper bearing rod fixing grooves. Adopt this optional embodiment, on the one hand utilize the spherical structure of indent, the spherical structure of the water tank lower extreme that needs the installation when the cooperation is used, better fix the water tank, on the other hand go up the bearing rod of bearing baffle downside on the fixed slot can be fine fix the upper end of bearing rod, and the position of fixed slot corresponds with the position of fixed slot under two bearing rods on the base on two bearing rods, keep the perpendicular relation between two bearing rods and base and the last bearing baffle, go up the upper end that the bracing piece fixed slot then is used for fixed connection upper supporting rod of bearing baffle downside.

Optionally, a supporting rod connecting groove, an air duct through groove and a bearing rod through hole are arranged on the lower bearing partition plate, and an evaporator fixing clamp is arranged on the lower side surface of the lower bearing partition plate. By adopting the alternative embodiment, the bearing rod through hole can enable the bearing rod with the supporting function to pass through, and simultaneously supports the lower bearing partition plate and the upper bearing partition plate, and the air duct through groove is used for installing an air duct structure, so that the air duct structure passes through from the middle.

Optionally, the upper side of the support rod connecting groove is a bar-shaped groove for fixing the upper support rod, and the lower side is a square groove for fixing the lower support rod. With the alternative embodiment, the upper support rod and the lower support rod are connected in a straight line under the support force, so that the stability of the force is maintained.

Optionally, the lower support rod is provided with one or more and evenly arranged at the periphery between the base and the lower bearing partition plate, and the upper support rod is provided with one or more and evenly arranged at the periphery between the lower bearing partition plate and the upper bearing partition plate. By adopting the alternative embodiment, the support rods are uniformly distributed to support the base and the lower bearing partition plate, so that the stability of the support is improved, and the support rods are uniformly distributed to support the lower bearing partition plate and the upper bearing partition plate, so that the stability of the support is improved.

Optionally, the lower support rod has a preset inclination, the preset inclination of the lower support rod is in inverse proportion to the weight to be borne, the lower support rod is of a groove-shaped steel structure, the lower end of the lower support rod is provided with a first fixing piece protruding towards the direction of the notch, two sides of the first fixing piece are provided with first fixing clamps bending downwards, and the upper end of the lower support rod is provided with a second fixing piece protruding towards the direction of the notch. By adopting the alternative embodiment, the inclined angle of the lower support rod is utilized to resist the force in the transverse direction, the stability of the support mechanism is improved, the support mechanism is prevented from tilting, the larger the weight required to be supported is, the smaller the inclined angle of the lower support rod is, the larger the force for resisting the tilting is, the lower support rod is perfectly fixed between the base and the lower bearing partition plate through the first fixing sheets and the second fixing sheets at the upper end and the lower end of the lower support rod, the groove-shaped steel structure of the lower support rod increases the strength of the lower support rod, and the weight of the lower support rod is reduced.

Optionally, the upper supporting rod is of a groove-shaped steel structure, the lower end of the upper supporting rod is provided with a third fixing piece protruding in the reverse groove opening direction, two sides of the third fixing piece are provided with second fixing clamps bending downwards, one protruding end of the third fixing piece is provided with a baffle plate bending downwards vertically, and the upper end of the upper supporting rod is provided with a fourth fixing piece protruding in the groove opening direction. With this alternative embodiment, the upper support bar is stably secured to the lower load-bearing partition and the upper load-bearing partition bracket using the third and fourth fixing plates.

According to a second aspect of an embodiment of the present invention, there is provided a heat pump water heater.

In some alternative embodiments, a heat pump water heater includes the support mechanism of any one of the above.

With the adoption of the alternative embodiment, the supporting mechanism is utilized to provide enough supporting force for the weight of the water tank in the heat pump water heater, so that the stability of the heat pump water heater is ensured.

Adopt this optional embodiment, utilize supporting mechanism to support the relatively heavier water tank of heat pump water heater, firmly fix the water tank on supporting mechanism's last bearing baffle, bear the weight of bearing baffle upside through the bearing support to utilize the auxiliary stand of slope certain angle to guarantee the stability of last bearing baffle all directions, resist torsion force, and lateral force, reduce the focus of water tank, guarantee the stability of water tank, effectively solve the difficult problem that puzzles the technical staff for a long time.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic diagram of an alternative embodiment of a heat pump water heater shown in accordance with an exemplary embodiment;

FIG. 2 is a schematic diagram of an alternative embodiment of the interior of a heat pump water heater, according to an example embodiment;

FIG. 3 is a schematic diagram of an alternative embodiment of a lower housing of a heat pump water heater, according to an example embodiment;

FIG. 4 is a schematic structural view of an alternative embodiment of a front side case of a heat pump water heater according to an exemplary embodiment;

FIG. 5 is a schematic structural view of an alternative embodiment of a rear side housing of a heat pump water heater, according to an example embodiment;

FIG. 6 is a schematic structural view of an alternative embodiment of an upper housing of a heat pump water heater, according to an example embodiment;

FIG. 7 is a schematic diagram of an alternative embodiment of a tank of a heat pump water heater, according to an example embodiment;

FIG. 8 is a schematic diagram of an alternative embodiment of a heat pump water heater, according to an example embodiment;

FIG. 9 is a schematic structural view of an alternative embodiment of a support mechanism shown in accordance with an exemplary embodiment;

FIG. 10 is a top view of a base of the support mechanism shown according to an exemplary embodiment;

FIG. 11 is a top view of a lower load-bearing bulkhead of a support mechanism according to an example embodiment;

FIG. 12 is a bottom view of a lower load-bearing bulkhead of the support mechanism according to an example embodiment;

FIG. 13 is a bottom view of an upper load-bearing bulkhead of the support mechanism according to an example embodiment;

FIG. 14 is a schematic structural view of an alternative embodiment of a load-bearing bar of a support mechanism according to an exemplary embodiment;

fig. 15 is a schematic view showing the structure of an alternative embodiment of the lower support bar of the support mechanism according to an exemplary embodiment.

FIG. 16 is a schematic structural view of an alternative embodiment of an upper support bar of the support mechanism shown in accordance with an exemplary embodiment;

FIG. 17 is a schematic diagram of an alternative embodiment of a duct structure shown in accordance with an exemplary embodiment;

FIG. 18 is a planer view of a duct structure shown in accordance with an exemplary embodiment;

FIG. 19 is a plan view of another orientation of the duct structure shown in accordance with an exemplary embodiment;

FIG. 20 is a schematic structural view of an alternative embodiment of a first volute of the air duct structure shown in accordance with an example embodiment;

FIG. 21 is a schematic structural view of an alternative embodiment of a second volute of the air duct structure shown in accordance with an example embodiment;

FIG. 22 is a schematic structural view of an alternative embodiment of a wind scooper of the wind tunnel structure shown in accordance with an exemplary embodiment;

FIG. 23 is a schematic structural view of an alternative embodiment of the connection between the air guiding shell and the exhaust collar of the air duct structure according to an exemplary embodiment;

FIG. 24 is a horizontal plane view of a wind scooper of the wind tunnel structure shown in accordance with an exemplary embodiment;

FIG. 25 is a schematic view of an alternative embodiment of an evaporator shown in accordance with an exemplary embodiment;

FIG. 26 is a schematic structural view of an alternative embodiment of the arrangement of heat exchange tubes of the evaporator shown in accordance with an exemplary embodiment;

FIG. 27 is a side view of a heat exchange tube of the evaporator shown according to an exemplary embodiment;

FIG. 28 is a schematic structural view of an alternative embodiment of a U-tube of the evaporator shown in accordance with an exemplary embodiment;

FIG. 29 is a schematic view of an alternative embodiment of a heat exchange tube spacer of an evaporator shown in accordance with an exemplary embodiment;

fig. 30 is a schematic structural view of an alternative embodiment of a sealing flap of an evaporator according to an exemplary embodiment.

FIG. 31 is a schematic diagram of an alternative embodiment of a centrifugal fan shown in accordance with an exemplary embodiment;

32, 33, 34 and 35 are schematic structural views of an alternative embodiment of a centrifugal fan blade of a centrifugal blower according to an exemplary embodiment;

FIG. 36 is a schematic structural view of an alternative embodiment of a fan motor of a centrifugal fan, according to an example embodiment.

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may involve structural, logical, electrical, process, and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method or apparatus comprising such elements. Various embodiments are described herein in a progressive manner, each embodiment focusing on differences from other embodiments, and identical and similar parts between the various embodiments are sufficient to be seen with each other. The method, product and the like disclosed in the examples are relatively simple to describe because they correspond to the method parts disclosed in the examples, and the relevant points are only referred to the description of the method parts.

The terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like herein refer to an orientation or positional relationship based on that shown in the drawings, merely for ease of description herein and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus are not to be construed as limiting the invention. In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanically or electrically coupled, may be in communication with each other within two elements, may be directly coupled, or may be indirectly coupled through an intermediary, as would be apparent to one of ordinary skill in the art.

Fig. 1 and 2 show an alternative embodiment of a heat pump water heater.

In this alternative embodiment, a heat pump water heater includes an upper housing 100 mounted with a water tank 101 and a lower housing 200 mounted with a heat pump 201, the upper housing 100 is disposed at an upper side of the lower housing 200, a supporting mechanism 300 is further mounted inside the lower housing 200, and the water tank 101 in the upper housing 100 is fixed at a top end of the supporting mechanism 300.

With this alternative embodiment, the water tank 101 is placed on the upper side, the heat pump 201 that will generate vibration during operation is placed on the lower side, the lower housing 200 with the heat pump 201 installed is pressed by the weight of the water tank 101, and the amplitude of vibration is suppressed, so that the purpose of reducing noise is achieved, and the stability of the water tank 101 can be ensured by using the supporting mechanism 300, so that the whole heat pump water heater is prevented from being easily toppled over.

Optionally, an exhaust collar 630 is further included, and the exhaust collar 630 is disposed intermediate the upper and lower cases 100 and 200. With this alternative embodiment, the annular exhaust ring 630 is disposed in the middle of the upper case 100 and the lower case 200, and plays a role of separating the upper case 100 and the lower case 200, and is attractive and elegant.

Optionally, a foaming material is filled between the upper housing 100 and the water tank 101. With the adoption of the alternative embodiment, the water tank 101 can be better kept and fixed by filling the foaming material, so that the water tank 101 is prevented from shaking, and meanwhile, the filled foaming material can play a good role in heat preservation, and heat dissipation in the water tank 101 is prevented.

Alternatively, the supporting mechanism 300 is closely attached to the inside of the lower case 200, and a sufficient installation space is provided inside the supporting mechanism 300. By adopting the alternative embodiment, the compactness of the whole structure can be ensured, and the space utilization rate can be increased.

Fig. 3, 4, 5 and 6 show an alternative embodiment of the upper and lower housings of the heat pump water heater.

In this alternative embodiment, the lower housing 200 has a truncated cone-like structure. By adopting the alternative embodiment, the stability is improved and the side tilting is effectively prevented by utilizing the structure with large lower side area and small upper side area of the truncated cone-shaped structure.

Alternatively, the lower case 200 includes a front case 202 and a rear case 203, the front case 202 and the rear case 203 are fixedly connected by screws, screw holes 204 for mounting screws are formed in the rear case 203, and an air inlet 205 is formed in the front case 202. With this alternative embodiment, the lower housing 200 is divided into two parts, and is mounted by docking, so that the mounting is more convenient, and the dismounting is more convenient during the later maintenance.

Optionally, the upper casing 100 includes a cylindrical casing 102 and a top cover 103, the cylindrical casing 102 is sleeved outside the water tank 101, an elastic protrusion 104 is provided on one side of the top cover 103, the elastic protrusion 104 is inserted into the upper end of the cylindrical casing 102, the top cover 103 can be fixed on the cylindrical casing 102, and an inner side surface of the elastic protrusion 104 is an arc surface 105. With this alternative embodiment, the upper housing 100 is divided into two parts, which is more convenient for installation, and at the same time, the upper end of the water tank 101 is better fixed by the arc surface 105 of the inner side surface of the elastic protrusion 104 at the lower side of the top cover 103, so as to prevent the water tank 101 from shaking and tilting.

Alternatively, the elastic protrusion 104 is an annular protrusion with a diameter smaller than the inner diameter of the cylindrical housing 102, and is made of some elastic materials such as rubber.

Optionally, the elastic bulge 104 is formed by a multi-lobe bulge, and the multi-lobe bulge forms an annular structure with a preset gap between each lobe. With this alternative embodiment, the elasticity of the elastic protrusions 104 can be increased.

Fig. 7 shows an alternative embodiment of the water tank of the heat pump water heater.

In this alternative embodiment, the water tank 101 has a structure that two ends of a cylinder are spherical, and the lower spherical surface of the water tank 101 is fixed at the top end of the supporting mechanism 300 through the fixing connection disc 106. With this alternative embodiment, the volume of the cylindrical water tank 101 can be ensured, the space occupation can be reduced, the bearable pressure of the water tank 101 can be increased, the water tank 101 is connected to the supporting mechanism 300 by using the fixing connection disc, the water tank 101 and the supporting mechanism 300 are connected into a whole, and the stability of the water tank 101 is ensured by the stability of the supporting mechanism 300.

Optionally, a heating tube 105 is provided on the cylindrical side of the water tank 101. With this alternative embodiment, the heating of the tank 101 is facilitated by coiling the heating tube 105 around the outside of the cylindrical tank.

Optionally, the fixing connection disc 106 is in a disc structure, one side of the fixing connection disc is connected with the water tank 101 through a fixed connection mode such as a screw, a welding or a buckle, and the other side of the fixing connection disc is connected with the supporting mechanism 300 through a fixed connection mode such as a screw, a welding or a buckle. With this alternative embodiment, the water tank 101 can be firmly fixed to the supporting mechanism 300, keeping the water tank 101 stable.

Fig. 8 shows an alternative embodiment of a heat pump water heater.

In this alternative embodiment, the heat pump 201 includes a compressor 400, a condenser 500, an air duct structure 600 and an evaporator 700, the air duct structure 600 divides the inner space of the lower case 200 into two parts, the air inlet end of the air duct structure 600 is located in the space on one side thereof, the air inlet end of the air duct structure 600 faces the air inlet 205 on the front side case 202, the evaporator 700 is disposed between the air inlet end of the air duct structure 600 and the air inlet 205, and the compressor 400 and the condenser 500 are disposed in the space on the other side of the air duct structure 600. By adopting the alternative embodiment, the space in the lower shell 200 is divided into two parts, so that air can enter from the air inlet 205 when air enters the air duct structure 600 after passing through the evaporator 700 and is directly discharged by the air duct structure 600, the generated air flow is totally discharged through the evaporator 700, the idle work is avoided, the heat exchange efficiency of the evaporator 700 is increased, the energy consumption is reduced, the work is more stable, the rotating speed of the centrifugal fan in the air duct structure 600 can be reduced after the efficiency is increased, and the noise is reduced.

Fig. 9 to 16 show an alternative embodiment of the support mechanism.

In this alternative embodiment, a supporting mechanism 300 includes a base 310 and a bearing rod 320, and further includes an upper bearing partition 330, a lower bearing partition 340, a lower supporting rod 350 and an upper supporting rod 360, where the bearing rod 320 passes through the lower bearing partition 340, and two ends are respectively connected with the base 310 and the upper bearing partition 330, a lower supporting rod 350 is disposed between the base 310 and the lower bearing partition 340, and an upper supporting rod 360 is disposed between the lower bearing partition 340 and the upper bearing partition 330.

With this alternative embodiment, the lower bearing partition 340 and the upper bearing partition 330 are supported by the bearing rods 320, so that the lower bearing partition 340 and the upper bearing partition 330 have bearing capacity, and meanwhile, the lower support rods 350 are arranged between the base 310 and the support of the lower bearing partition 340, so that the stability of the lower bearing partition 340 can be ensured, the upper support rods 360 are arranged between the lower bearing partition 340 and the upper bearing partition 330 to support, the lower bearing partition 340 and the upper bearing partition 330 are connected into the whole body with the same stress, and meanwhile, a space is reserved between the lower bearing partition 340 and the upper bearing partition 330, so that a sufficient installation space is provided for the exhaust ring 630, and the stability of the upper bearing of the support mechanism 300 is improved under the condition of reserving a reasonable installation space.

Optionally, the load-bearing rod 320 is of a solid cylindrical structure, a fixing piece 321 is arranged at the lower end of the load-bearing rod 320, a supporting protrusion 322 is arranged at the lower side of the portion of the load-bearing rod 320 passing through the lower load-bearing partition 340 and used for supporting the lower load-bearing partition 340, and the diameter of the load-bearing rod 320 is in direct proportion to the weight to be borne. With this alternative embodiment, a solid cylindrical structure is used to provide sufficient bearing force, and the fixing piece 321 at the lower end of the bearing rod 320 is used to fix the bearing rod 320 on the base 310, so as to prevent the bearing rod 320 from rotating, increase the stability of the structure, and the supporting protrusions 322 on the bearing rod 320 can support the lower bearing partition 340, so that the lower bearing partition 340 has sufficient bearing capacity, and the diameter of the bearing rod 320 and the weight Cheng Zhengbi to be borne.

Alternatively, when the weight to be carried by the load-bearing bar 320 is 250kg, the diameter of the load-bearing bar 320 is 50mm, and when the weight is not increased or decreased by 1 time, the diameter of the load-bearing bar 320 is increased or decreased by 0.5 time.

Alternatively, the load-bearing bar 320, the fixing piece 321 and the supporting protrusion 322 are integrally cast, or the fixing piece 321 and the supporting protrusion 322 are separately manufactured and then welded to the load-bearing bar 320.

Optionally, a groove 311 is formed on the base 310, and a lower support rod fixing groove 312 and two lower support rod fixing grooves 313 are formed in the groove 311, and the positions of the centers of the two lower support rod fixing grooves 313 are symmetrical with respect to the center of the base 310. With this alternative embodiment, the lower ends of the load-bearing bars 320 are fixed by the load-bearing bar lower fixing grooves 313 on the base 310, and two load-bearing bars 320 can be installed, so that sufficient load-bearing capacity is provided in a limited space, and the installation positions of the two load-bearing bars 320 are strictly symmetrical, so that uneven load-bearing force is prevented.

Alternatively, the recess 311 is a recess formed in the base 310 and recessed downward from the upper side.

Optionally, the upper side of the upper bearing partition 330 is provided with a concave spherical structure, the center of the concave spherical structure is provided with a mounting groove 333 for mounting the fixing connection disc 106, and the lower side of the upper bearing partition 330 is provided with an upper support rod fixing groove 331 and two upper bearing rod fixing grooves 332. By adopting the alternative embodiment, on one hand, the spherical structure of the concave is utilized, the spherical structure of the lower end of the water tank 101 which needs to be installed when being matched for use is utilized, the water tank 101 is better fixed, on the other hand, the upper ends of the bearing rods 320 can be better fixed by the upper fixing grooves 332 of the bearing rods on the lower side of the upper bearing partition plate 330, the positions of the upper fixing grooves 332 of the two bearing rods correspond to the positions of the lower fixing grooves 313 of the two bearing rods on the base 310, the vertical relation between the two bearing rods 320 and the base 310 and the upper bearing partition plate 330 is maintained, and the upper supporting rod fixing grooves 331 on the lower side of the upper bearing partition plate 330 are used for fixedly connecting the upper ends of the upper supporting rods 360.

Optionally, the mounting groove 333 and the fixing connection disc 106 may be fixedly connected by a screw, a welding, a fastening, or the like.

Optionally, a supporting rod connecting groove 341, an air duct structure through groove 342 and a bearing rod through hole 343 are arranged on the lower bearing partition 340, and an evaporator fixing clip 344 is arranged on the lower side surface of the lower bearing partition 340. With this alternative embodiment, the support rod through holes 343 allow the support rods 320 to pass through while supporting the lower and upper load-bearing partitions 340 and 330, and the tunnel structure through slots 342 allow the tunnel structure to pass through.

Optionally, the upper side of the supporting bar connecting groove 341 is a bar-shaped groove for fixing the upper supporting bar 360, and the lower side is a square groove for fixing the lower supporting bar 350. With this alternative embodiment, the supports of the upper support bar 360 and the lower support bar 350 are force-coupled in a straight line, maintaining stability of the force.

Alternatively, the supporting rod connecting groove 341 is a combination of two grooves formed on the lower bearing partition 340, the two grooves are respectively a strip-shaped groove on the upper side surface and a square groove on the lower side surface, the positions of the two grooves correspond to each other, and the two grooves do not penetrate through the lower bearing partition 340.

Optionally, the lower support bar 350 is provided with one or more circumferential rings uniformly disposed between the base 310 and the lower load-bearing partition 340, and the upper support bar 360 is provided with one or more circumferential rings uniformly disposed between the lower load-bearing partition 340 and the upper load-bearing partition 330. With this alternative embodiment, the support between the base 310 and the lower load-bearing partition 340 is improved by the upper support rods 360 which are uniformly distributed, and the support between the lower load-bearing partition 340 and the upper load-bearing partition 330 is improved by the lower support rods 350 which are uniformly distributed.

Alternatively, the lower support rod 350 has a preset inclination angle, the preset inclination angle of the lower support rod 350 is inversely related to the weight to be borne, the lower support rod 350 is of a channel steel structure, the lower end of the lower support rod 350 is provided with a first fixing piece 351 protruding towards the direction of the notch, two sides of the first fixing piece 351 are provided with first fixing clips 352 bent downwards, and the upper end of the lower support rod 350 is provided with a second fixing piece 353 protruding towards the direction of the notch. With this alternative embodiment, the angle of inclination of the lower support bar 350 is used to resist the force in the lateral direction, the stability of the support mechanism 300 is improved, the support mechanism 300 is prevented from tilting, and the larger the weight required to be supported, the smaller the angle of inclination of the lower support bar 350, the larger the force against tilting, and the first fixing piece 351 is caught in the lower support bar fixing groove 312 on the base 310, the second fixing piece 353 is caught in the support bar connecting groove 341 on the lower load-bearing partition 340, the lower support bar 350 is perfectly fixed between the base 310 and the lower load-bearing partition 340 by the first fixing piece 351 and the second fixing piece 353 at the upper and lower ends of the lower support bar 350, the channel steel structure of the lower support bar 350 increases the strength of the lower support bar 350 itself, and the weight of the lower support bar 350 itself is reduced.

Optionally, the preset inclination angle of the lower support bar 350 is 89.1 degrees when the required load is 250 kg; every 1 time the required load weight is increased, the preset inclination angle is reduced by 0.01 times.

Alternatively, the preset inclination angle of the lower support bar 350 is greater than 60 degrees and less than or equal to 90 degrees.

Optionally, the upper supporting rod 360 is a channel steel structure, the lower end of the upper supporting rod 360 is provided with a third fixing plate 361 protruding in the reverse notch direction, two sides of the third fixing plate 361 are provided with second fixing clamps 362 bending downwards, one protruding end of the third fixing plate 361 is provided with a baffle 363 bending vertically downwards, and the upper end of the upper supporting rod 360 is provided with a fourth fixing plate 364 protruding in the notch direction. With this alternative embodiment, the third fixing piece 361 is caught in the supporting rod coupling groove 341 of the lower load-bearing partition 340, the fourth fixing piece 364 is caught in the upper supporting rod fixing groove 331 of the upper load-bearing partition 330, and the upper supporting rod 360 is stably fixed to the lower load-bearing partition 340 and the upper load-bearing partition 330 by the third fixing piece 361 and the fourth fixing piece 364.

Fig. 17 to 24 show an alternative embodiment of the duct structure.

In this alternative embodiment, an air duct structure 600 includes a volute 610, an air guiding shell 620 and an exhaust ring 630, wherein an air outlet end of the volute 610 is communicated with an air inlet end of the air guiding shell 620, and a wind shielding piece 611 is arranged at a peripheral edge of the volute 610; the air outlet end of the air guide shell 620 is communicated with the inner cambered surface of the exhaust ring 630; the circumference of the exhaust ring 630 is provided with air guide sheets 631, the air guide sheets 631 are of arc-shaped structures, and the air guide sheets 631 are uniformly bent towards the same side.

With this alternative embodiment, the wind shielding plate 611 is utilized to divide the installation space into two parts, so that the air inlet of the air duct structure 600 is completely from the same side, i.e. the side provided with the evaporator, so that the air flow is concentrated through the evaporator, so that the air flow flowing in the air duct structure 600 exchanges energy with the evaporator as much as possible, the air guiding efficiency of the air duct structure 600 is effectively improved, and the running speed of the centrifugal fan in the air duct structure 600 can be properly reduced after the air guiding efficiency is improved, thereby achieving the purpose of reducing noise.

Optionally, the scroll casing 610 includes a first scroll casing 612 and a second scroll casing 613, a first scroll groove 614 is provided on the first scroll casing 612, the centrifugal fan 800 is embedded in the first scroll groove 614, a second scroll groove 615 is provided on the second scroll casing 613, an air inlet 616 is provided in the second scroll groove 615, and the air suction end of the centrifugal fan 800 is closely adjacent to the air inlet 616. By adopting the alternative embodiment, the volute 610 is divided into two parts, so that the inside of the volute 610 is convenient to maintain in the later period, and the centrifugal fan 800 corresponds to the air suction end, so that the air flow can be ensured to enter the volute 610 more smoothly.

Optionally, a gas outlet 632 is provided at a connection portion between the exhaust ring 630 and the gas outlet end of the air guiding shell 620, the air guiding plate 631 in the gas outlet 632 penetrates through the gas outlet 632, other portions of the exhaust ring 630 except the gas outlet 632 are all of a closed structure, and the air guiding plate 631 is inlaid on the closed structure. With this alternative embodiment, the air outlet of the half can be ensured, and the decorative air guide plate 631 is directly inlaid on the half without air outlet, so that the cost can be reduced.

Alternatively, one end of the centrifugal fan 800 is embedded in the first volute 614, the embedded depth is one half to three quarters of the depth of the first volute 614 plus the depth of the second volute 615, the first volute 614 is in sealing connection, and the other end of the centrifugal fan 800 is provided with a bare leak outside the first volute 612. By adopting the alternative embodiment, the centrifugal fan 800 is partially embedded into the volute 610, the volute 610 is utilized to partially isolate noise generated by the centrifugal fan 800, so that the noise is reduced, and meanwhile, the embedded installation mode is adopted, so that the structure is more compact, and the space occupation rate is reduced.

Optionally, the shapes of the first volute 614 and the second volute 615 are identical, and sealing grooves are formed on the edges of the first volute 614 and the second volute 615, or sealing grooves are formed on the edges of the first volute 614 or the edges of the second volute 615, sealing strips are arranged in the sealing grooves, and the first volute 612 and the second volute 613 are fixed by screws. With this alternative embodiment, the first volute 614 and the second volute 615 with identical structures are buckled together to form an integral volute, and the sealing groove and the sealing strip between the two parts can ensure the tightness between the first volute 614 and the second volute 615, so as to prevent air leakage.

Optionally, the air guiding shell 620 has a semicircular structure, the cambered surface of the air guiding shell 620 is an air outlet end, the lower side surface of the air guiding shell 620 is an air inlet end, and the air outlet end of the air guiding shell 620 is opposite to the air inlet 616. By adopting the alternative embodiment, the semicircular structure ensures that the air flow is exhausted from the half side, and the air outlet end of the air guide shell 620 is opposite to the air inlet 616, so that the exhausted cooled air can be ensured not to be immediately sucked again from the air inlet 616, the air temperature sucked by the air inlet 616 is ensured to be relatively higher, and the utilization rate of air temperature energy is improved.

Optionally, a guide slot 621 is provided at the edge of the cambered surface of the wind guiding shell 620, and a through hole 622 is provided in the middle of the upper side surface of the wind guiding shell 620. With this alternative embodiment, the reserved guide slots 621 and through holes 622 are utilized to provide increased installation space for the support mechanism 300 in the heat pump water heater, facilitating the assembly between the integers.

Optionally, an arc-shaped air guiding surface is provided on a side opposite to the air outlet end of the volute 610 inside the lower side of the air guiding casing 620. By adopting the alternative embodiment, the air flow is dredged, so that the wind resistance is reduced, and the air flow is ensured to be smoother.

Optionally, one or more piping channels 617 are provided on one side of the wind screen 611, and wind screen mounting tabs 618 are provided on both ends of the underside of the wind screen 611. With this alternative embodiment, the wind shield mounting tab 618 is used to stably fix the entire wind tunnel 600 inside the heat pump water heater, and the pipeline slots 617 reserve the arrangement positions for the pipelines inside the heat pump water heater.

Fig. 25 to 30 show an alternative embodiment of the evaporator.

In this alternative embodiment, an evaporator 700 includes heat exchange tubes 701, wherein the heat exchange tubes 701 are connected in series through U-shaped tubes 702, the heat exchange tubes 701 are arranged in two parallel planes, the heat exchange tubes 701 have a curved structure, two ends of the heat exchange tubes 701 are clamped on heat exchange tube positioning plates 703, and a sealing baffle 704 is arranged on one side of each heat exchange tube positioning plate 703.

With the adoption of the alternative embodiment, the heat exchange tube 701 with a bent structure is utilized to increase the contact area with air, so that the heat exchange efficiency of the evaporator 700 is increased, the sealing baffle 704 plays a role in converging air flow, the air flow is converged to the heat exchange tube 701, the heat exchange efficiency of the evaporator 700 is improved, and the design that the heat exchange tubes 701 are arranged on two surfaces is beneficial to reducing wind resistance while guaranteeing the heat exchange efficiency.

Alternatively, the heat exchange tubes 701 are arranged on two surfaces, and the heat exchange tubes 701 on one surface correspond to the gaps between the two heat exchange tubes 701 on the other surface. With this alternative embodiment, the air flow passing through the two heat exchange tubes 701 is directly contacted with the heat exchange tube 701 on the other surface to exchange heat, so as to increase the heat exchange efficiency.

Optionally, a first preset distance is provided between two heat exchange tubes 701 arranged on one face. With this alternative embodiment, the distance between the heat exchange tubes 701 on the same surface is controlled by the first preset distance, and the size of the windage is further controlled by the distance.

Optionally, a second preset distance is provided between the two surfaces of the heat exchange tube 701. By adopting the alternative embodiment, the distance between the two surfaces of the heat exchange tube 701 arranged can be reasonably controlled through the second preset distance, and the size of wind resistance can be controlled as well.

The first preset distance and the second preset distance can be set according to practical situations, and the wind resistance is determined by the first preset distance and the second preset distance, and the optimal width of the first preset distance and the second preset distance is the diameter of the heat exchange tube 701.

Optionally, the heat exchange tube 701 has a V-shaped structure, and the bending point of the V-shaped structure is arc-shaped. By adopting the alternative embodiment, the contact area between the heat exchange tube 701 with the V-shaped structure and the air flow is utilized, the opening of the V-shaped structure faces the inner side of the heat pump water heater, and the two sides of the V-shaped structure are tightly attached to the edge of the inner wall of the heat pump water heater, so that the occupation of space is reduced.

Alternatively, heat exchanger 701 is of a circular arc configuration. By adopting the alternative embodiment, the heat exchange tube 701 with the arc-shaped structure has the contact area with the air flow, the inner arc surface of the arc-shaped structure faces the inner side of the heat pump water heater, and the outer arc surface of the arc-shaped structure clings to the edge of the inner wall of the heat pump water heater, so that the occupation of space is reduced.

Optionally, the heat exchange tube positioning plate 703 has a groove structure, and a positioning hole 705 for fixing the heat exchange tube 701 is provided on the heat exchange tube positioning plate 703. With this alternative embodiment, the heat exchange tubes 701 are fixed by using the positioning holes 705, and the heat exchange tubes 701 are arranged according to a fixed shape rule, so as to perform the function of shaping and reinforcing the heat exchange tubes 701.

Optionally, one end of the heat exchange tube positioning plate 703 is provided with a fixing clip 706 with a reverse notch. With this alternative embodiment, the heat exchange tube positioning sheet 703 is fixed using the fixing clip 706, thereby fixing the entire evaporator 700.

Optionally, the sealing baffle 704 has a triangular structure, and one side of the sealing baffle is fixedly connected with one side of the heat exchange tube positioning plate 703 through a screw. With this alternative embodiment, the sealing baffle 704 with a triangular structure is matched with the inner wall of the heat pump water heater at the installation position, so that the space at two sides of the heat exchange tube is closed, and the air flow can completely pass through the heat exchange tube 701 to exchange heat.

Alternatively, one or more heat exchangers 700 may be used simultaneously, with one or more heat exchangers 700 being connected in parallel.

Fig. 31 to 36 show an alternative embodiment of the centrifugal fan.

In this alternative embodiment, a centrifugal fan 800 includes a fan motor 801 and centrifugal fan blades 802, wherein the centrifugal fan blades 802 are installed at an output end of one side of the fan motor 801, the centrifugal fan blades 802 include blades 803 and impellers 804, and a heat dissipation hole 805 is formed at one end of the fan motor 801 where the centrifugal fan blades 802 are installed; a wind tunnel 806 is arranged on the side surface of the centrifugal fan blade 802 connected with the fan motor 801, and the side surface is recessed towards the inside of the centrifugal fan blade 802; the blade 803 has a notch 807 at one end where it connects with the impeller 804.

By adopting the alternative embodiment, because the air outlet of the part, connected with the impeller 804, of the blade 803 is blocked by the impeller 804, and the blade 803 can be prevented from doing idle work by utilizing the notch 807 formed in the end, connected with the impeller 804, of the blade 803, the resistance of the blade 803 can be reduced, the efficiency of sucking air flow by the blade 803 is improved, the fan motor 801 is provided with the heat dissipation holes 805 near one side of the centrifugal fan blade 802, the fan motor 801 is cooled by the air flow generated by rotation of the impeller 804, the working stability of the fan motor 801 is improved, and the efficiency of the centrifugal fan 800 is generally improved.

Alternatively, the centrifugal fan blades 802 are directly fixedly connected to the rotation shaft of the fan motor 801 by screws.

Optionally, an auxiliary heat sink 808 is provided at the opposite end of the blower motor 801 from the output end. With this alternative embodiment, heat is radiated simultaneously from both ends of the blower motor 801, further increasing the heat radiation efficiency of the blower motor 801 and improving the working stability of the blower motor 801.

Optionally, the heat dissipation hole 805 and the auxiliary heat dissipation hole 808 are communicated inside the fan motor 801 to form a heat dissipation air channel structure. With this alternative embodiment, part of the airflow is sucked from one end of the fan motor 801 and discharged from the other end by the airflow generated by the rotation of the blades 803, so that the airflow passes through the inside of the fan motor 801, and the heat dissipation efficiency of the fan motor 801 is increased.

Optionally, the blower motor 801 is flanked by seal mounting tabs 809. With this alternative embodiment, the blower motor 801 is conveniently fixed to the duct structure, and the tightness between the blower motor 801 and the duct structure is maintained, thereby preventing air leakage and reducing the suction pressure of the centrifugal blower.

Optionally, the side perimeter of the centrifugal fan blades 802 that are connected to the fan motor 801 is provided with an annular surface 810. With this alternative embodiment, the vanes 803 are held in place by the annular surface 810.

Alternatively, one end of the vane 803 is fixedly attached to the annular surface 810. With this alternative embodiment, one end of the entire blade 803 is fixed on the annular surface 810, so that the capability of bearing windage of the entire blade 803 is maintained, the firmness of the blade 803 is improved, and the blade 803 is directly fixed on the annular surface 810 by injection molding during production.

Optionally, the portion of centrifugal fan blade 802 that is concave inward is less than the thickness of centrifugal fan blade 802. With this alternative embodiment, the inward concave portion of the centrifugal fan blade 802 is ensured not to protrude to the other side of the centrifugal fan blade 802, so that space occupation is reduced, and the installation structure is more compact.

Alternatively, the diameter of the inwardly concave portion of centrifugal fan blade 802 is gradually reduced. With this alternative embodiment, the diameter of the concave portion is gradually reduced, so that the concave portion has an inclined side surface, and the inner diameter is gradually reduced to form a bowl shape, thereby improving the stability of the structure and making the side of the centrifugal fan blade 802 connected with the fan motor 801 stronger.

Optionally, wind tunnels 806 are evenly disposed on the side perimeter of the inwardly recessed portion of centrifugal fan blades 802. With this alternative embodiment, wind tunnels 806 are evenly distributed, stabilizing the airflow as centrifugal fan blades 802 rotate.

Optionally, wind tunnel 806 is an oval or circular hole extending through the inwardly concave side of centrifugal fan blades 802.

Alternatively, the impeller 804 is connected to the outer ends of the blades 803, and the width of the notch 807 is the same as the width of the impeller 804. With this alternative embodiment, the wind resistance when the blade 803 rotates can be reduced, and the wind guiding amount of the blade 803 is not affected.

Alternatively, centrifugal fan blades 802 are integrally injection molded. With this alternative embodiment, the structural stability of the centrifugal fan blade 802 can be effectively increased, and the manufacturing is facilitated.

The working principle of the heat pump water heater is as follows: the compressor 400 and the condenser 500 are integrated, the compressor 400 can compress the refrigerant in the condenser 500 to release heat, the inlet end of the evaporator 700 is communicated with the outlet end of the condenser 500 through a refrigerant pipe, the outlet end of the evaporator 700 is connected with the inlet end of the condenser 500 through a refrigerant pipe, the outside of the condenser 500 is coiled with a heat exchanger, the inlet end of the heat exchanger is communicated with the outlet end of the heating pipe 105, the outlet end of the heat exchanger is communicated with the inlet end of the heating pipe 105, and the outlet end of the heat exchanger is provided with a water pump with the inlet end of the heating pipe 105 to drive the heat exchanger and the medium in the heating pipe 105 to circulate; when the air passes through the evaporator 700, the refrigerant in the evaporator 700 is heated, the refrigerant in the evaporator 700 absorbs heat to evaporate and then flows into the condenser 500, the refrigerant liquefies and releases heat under the pressurization of the compressor 400, the medium is heated by the heat exchanger, then the heated medium is conveyed into the heating pipe 105 by the water pump, the heating pipe 105 is coiled outside the water tank 101 to heat the water in the water tank 101, the low-temperature heat in the air is absorbed under the continuous circulation of the refrigerant and the medium, the water in the water tank is heated, and the whole energy consumption is small.

It is to be understood that the invention is not limited to the constructions that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. The utility model provides a supporting mechanism, includes base and bearing rod, its characterized in that still includes bearing baffle, lower bracing piece and last bracing piece, the bearing rod passes lower bearing baffle, and both ends respectively with the base with go up bearing baffle connection, the base with be equipped with between the lower bearing baffle the lower bracing piece, the lower bracing piece has preset inclination, the preset inclination of lower bracing piece is, when the weight that needs to bear is 250kg, and preset inclination is 89.1 degrees, and the weight that needs to bear increases 1 time, and the reduction of preset inclination 0.01 times, be equipped with down bearing baffle with go up between the bearing baffle the bracing piece, be equipped with the recess on the base, be equipped with down bracing piece fixed slot and two bearing rod lower fixed slots in the recess, two the position at fixed slot center under the bearing rod is about the centre of a circle symmetry of base, the weight that needs to bear of pole is 250kg, the bearing rod diameter is 50mm, and every time that needs to bear increases or reduces 1 time, and the bearing rod diameter is corresponding to be equipped with down the bearing rod through-hole, the side of bearing rod, the side is the side of the upper and lower bearing rod, the side is equipped with the bearing rod, the side of the upper and is used for the side of the evaporation groove.

2. The support mechanism of claim 1, wherein the load-bearing bar is of a solid cylindrical structure, and a fixing piece is provided at a lower end of the load-bearing bar, and a support protrusion is provided at a lower side of the load-bearing bar passing through the lower load-bearing partition portion for supporting the lower load-bearing partition, and a diameter of the load-bearing bar is proportional to a weight to be carried.

3. The supporting mechanism as claimed in claim 1, wherein the upper side of the upper bearing partition plate is provided with a concave spherical structure, the center of the concave spherical structure is provided with a water tank fixing structure, and the lower side of the upper bearing partition plate is provided with an upper supporting rod fixing groove and two upper bearing rod fixing grooves.

4. The support mechanism of claim 1, wherein the lower support bar is provided with one or more peripheral rings uniformly disposed between the base and the lower load-bearing partition, and the upper support bar is provided with one or more peripheral rings uniformly disposed between the lower load-bearing partition and the upper load-bearing partition.

5. The supporting mechanism as claimed in claim 1, wherein the lower supporting rod has a preset inclination angle, the preset inclination angle of the lower supporting rod is in inverse relation to the weight to be borne, the lower supporting rod is of a channel-shaped steel structure, a first fixing piece protruding towards the direction of the notch is arranged at the lower end of the lower supporting rod, first fixing clips bent downwards are arranged at two sides of the first fixing piece, and a second fixing piece protruding towards the direction of the notch is arranged at the upper end of the lower supporting rod.

6. The supporting mechanism as claimed in any one of claims 1 to 5, wherein the upper supporting rod is of a channel-shaped steel structure, a third fixing piece protruding in a reverse notch direction is arranged at the lower end of the upper supporting rod, second fixing clips bent downwards are arranged on two sides of the third fixing piece, a baffle plate bent vertically downwards is arranged at one protruding end of the third fixing piece, and a fourth fixing piece protruding in the notch direction is arranged at the upper end of the upper supporting rod.

7. A heat pump water heater comprising the support mechanism of any one of claims 1 to 6.