Inclined air duct of mobile air conditioner

Abstract

The utility model provides an obliquely-installed air duct of a mobile air conditioner, which comprises a shell serving as an installation carrier, and the shell is hollow and forms an installation cavity; the volute assembly is obliquely arranged in the mounting cavity, the volute assembly comprises an upper volute assembly and a lower volute assembly located below the upper volute assembly, an upper volute cavity and a lower volute cavity are formed in the upper volute assembly and the lower volute assembly respectively, the upper volute cavity and the lower volute cavity are coaxially arranged, and the axis of the upper volute cavity and the axis of the lower volute cavity incline to the horizontal plane; the side wall of the upper volute cavity is provided with an exhaust channel, the exhaust channel extends upwards, is in butt joint with a first air outlet in the top of the shell and is used for discharging air, an evaporator is arranged on an air inlet path of the upper volute cavity, and a condenser is arranged on an air inlet path of the lower volute cavity. The inclined air duct of the mobile air conditioner is compact in structure, small in size, low in manufacturing cost and use cost, convenient to assemble, high in air outlet speed, long in air supply distance, low in working noise and good in use effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mobile air conditioner, especially a mobile air conditioner inclined air duct. BACKGROUND

[0002] The mobile air conditioner does not need to be installed on the window or wall, and is placed on the ground, so that the mobile air conditioner can be moved at any time and anywhere, is convenient to use, and does not need professional installers, and only needs to be simply placed and connected to the power supply, so that the operation is convenient, therefore, the use of the mobile air conditioner is more and more widely used.

[0003] The air cavity of the existing mobile air conditioner adopts a horizontal setting or vertical setting structure, and the air outlet end is arranged at the top or side wall of the shell, when arranged at the side wall, the horizontal height of the outlet is reduced, and the air supply distance is reduced, when arranged at the top, the included angle between the air outlet and the air cavity is too small, air resistance and air noise are formed, and the air supply distance is affected, or the air outlet has an inclination, which increases the installation space, and the length or width size of the shell is increased, that is, the volume is increased, therefore, the air duct design of the existing mobile air conditioner cannot consider the air volume, air supply distance and volume. SUMMARY

[0004] The technical problem to be solved

[0005] The utility model wants to solve the technical problem to provide a kind of structure compact, volume is small, air volume and air supply distance far, mobile air conditioner inclined air duct.

[0006] The technical scheme for solving the problem

[0007] The utility model provides a kind of mobile air conditioner inclined air duct, it includes:

[0008] Shell 1 is as installation carrier, and the shell 1 is hollow in and forms installation cavity;

[0009] The volute assembly is inclinedly arranged in the installation cavity, the volute assembly includes upper volute assembly 3 and lower volute assembly 4 below the upper volute assembly 3, the upper volute assembly 3 and the lower volute assembly 4 are respectively provided with upper volute cavity 30 and lower volute cavity 40, the upper volute cavity 30 and the lower volute cavity 40 are coaxially arranged and the axis is inclined to horizontal plane, the side wall of the upper volute cavity 30 is provided with exhaust passage 30c, the exhaust passage 30c extends upwards and is connected with the first air outlet 101b of the top of the shell 1 and is used for air outlet, the air inlet path of the upper volute cavity 30 is provided with evaporator 51, and the air inlet path of the lower volute cavity 40 is provided with condenser 52.

[0010] Further, the included angle between the axis of the volute assembly and the horizontal plane is greater than or equal to 54 degrees and equal to 90 degrees.

[0011] Further, the angle between the axis of the volute assembly and the horizontal plane is greater than or equal to 74 degrees and less than or equal to 84 degrees.

[0012] Further, the exhaust air passage 30c is perpendicular to the horizontal plane.

[0013] Further, the exhaust air passage 30c is arranged on the side wall of the upturned end of the upper cochlea cavity 30, and the air outlet end of the lower cochlea cavity 40 is arranged on the side wall of the downturned end.

[0014] Further, the upper volute assembly 3 is fixed on the top of the lower volute assembly 4.

[0015] Further, the side wall of the shell 1 is provided with a first air inlet 101a, a second air inlet 102a and a second air outlet 102b, the top of the shell 1 is provided with a first air outlet 101b, the top and / or bottom of the upper cochlea cavity 30 is provided with a first air inlet hole 30a, the first air inlet hole 30a communicates with the first air inlet 101a and forms a first air inlet passage; the lower end of the lower cochlea cavity 40 is provided with a second air inlet hole 40a, the second air inlet hole 40a communicates with the second air inlet 102a and forms a second air inlet passage, and the air outlet end of the upper cochlea cavity 30 and the air outlet end of the lower cochlea cavity 40 are connected with the first air outlet 101b and the second air outlet 102b respectively.

[0016] Further, the evaporator 51 is arranged on the first air inlet 101a, and the condenser 52 is arranged on the second air inlet 102a.

[0017] Further, the first air outlet 101b is detachably provided with a first air outlet air guide pipe 91, and the first air outlet air guide pipe 91 can realize radial rotation and bending; the second air outlet 102b is detachably provided with a second air outlet air guide pipe 92.

[0018] Further, the first air inlet 101a and the second air inlet 102a are located on different side walls of the shell 1.

[0019] Further, the second air inlet 102a and the second air outlet 102b are located on the same side wall of the shell 1.

[0020] Further, the lower volute assembly 4 separates the mounting cavity into an upper cavity and a lower cavity, the second air inlet 102a is arranged on the side wall of the lower cavity, and the first air inlet 101a is arranged on the side wall of the upper cavity.

[0021] Further, the upper volute assembly 3 and the lower volute assembly 4 are provided with a driving motor 5, two output shafts of the driving motor 5 extend into the upper volute 30 and the lower volute 40 respectively and are connected with the first impeller 34 in the upper volute 30 and the second impeller 44 in the lower volute 40.

[0022] Further, the axial height of the upper volute 30 is 1.2-3 times of the axial height of the lower volute 40.

[0023] Further, the upper volute assembly 3 comprises an upper volute which is arranged obliquely, the upper volute is provided with a first air inlet hole 30a at both upper and lower ends and forms double air inlet ends, the sidewall of the upper volute is provided with two side baffles, the tail portions of the two side baffles are connected and form a seal, the upper and lower ends of the side baffles are respectively provided with a top plate 33 and a bottom plate, the top plate 33 and the top surface of the upper volute, and the bottom plate and the bottom surface of the upper volute have gaps and form air passages, the top plate 33, the bottom plate and the two side baffles form a chamber structure with one end open, and the open end of the chamber structure faces the first air inlet 101a of the sidewall of the shell and serves as an air inlet end, and the evaporator 51 is fixed at the open end 300.

[0024] Further, the edge of the top plate 33 is bent downward and forms a sleeve part 331 which can be sleeved on the top of the side baffle, the sidewall of the sleeve part 331 is provided with connecting parts 332, 333 for connecting with the side baffle, the top plate 33 is provided with an air outlet 334 which is connected with the air outlet channel 30c, and the top surface of the air outlet 334 is a horizontal surface and can be connected with the first air outlet of the shell.

[0025] Further, the top surface of the lower volute assembly is provided with positioning clamping grooves 4231 for inserting and positioning the side baffles, and the two sides of the positioning clamping grooves 4231 are provided with a plurality of positioning blocks 4232.

[0026] Further, the side baffles and the bottom plate are provided with mounting holes for connecting with the evaporator 51, and the evaporator 51 is clamped at the open end and fixed by screws.

[0027] Further, the top surface of the lower volute assembly forms the bottom plate.

[0028] Further, the inner wall of the side baffle and the outer wall of the upper volute are provided with reinforcing ribs 3231, 3131.

[0029] Further, the upper volute assembly is formed by splicing an upper volute lower plate 31 and an upper volute upper plate 32.

[0030] Further, the upper end of the upper volute lower plate 31 and the lower end of the upper volute upper plate 32 are provided with positioning components and fixing components.

[0031] Further, the positioning components are a first strip-shaped protrusion 3132 and a first strip-shaped clamping groove arranged along the contour of the upper volute lower plate 31 and the upper volute upper plate 32; and the fixing components are a buckle 325 and a clamping groove 314.

[0032] Further, the upper volute lower plate 31 comprises an upper volute half-shell I 311 with an open upper end, a first hole body 3110 is arranged at the lower end of the upper volute half-shell I 311 and serves as an air inlet, the inner wall of the upper volute half-shell I 311 is outwardly protruded and forms a lower section of an air outlet channel; the side wall of the upper volute half-shell I 311 is provided with two parallel side baffles I 313, the lower end of the side baffles I 313 is lower than the bottom surface of the upper volute half-shell I 311, the tail part of the side baffles I 313 is connected and forms a seal, the top part of the upper volute half-shell I 311 and the side baffles I 313 is provided with a first strip-shaped protrusion 3132 along the contour direction, the outer wall of the upper volute half-shell I 311 and / or the side baffles I 313 is provided with a clamping groove 314 and / or a first connecting part 315 at the upper end, the first connecting part is provided with a first mounting hole, the outer wall of the upper volute half-shell I 311 and / or the side baffles I 313 is provided with a second connecting part 3121 at the lower end for connecting with the top surface of the lower volute assembly, the second connecting part 3221 is provided with a second mounting hole.

[0033] Further, the outer wall of the upper volute half-shell I 311 and the inner wall of the side baffles I 313, or the outer wall of the lower section of the air outlet channel is provided with a first reinforcing rib 3131.

[0034] Further, the upper volute half-shell I 311 and the side baffles I 313 are integrally formed by injection molding.

[0035] Further, the upper volute shell upper plate 32 comprises a lower-end-opened upper volute half shell II 321, the upper end of the upper volute half shell II 321 is provided with a second hole body 3210 and serves as an air inlet, the inner wall of the upper volute half shell II 321 is outwardly protruded and forms an upper section of an exhaust passage 324, the upper end of the upper section of the exhaust passage 324 serves as an air outlet; the side wall of the upper volute half shell II 321 is provided with two parallel side baffles II 323, the upper end of the side baffles II 323 is higher than the top surface of the upper volute half shell II 321, the tail part of the side baffles II 323 is connected and forms a seal, the bottom of the upper volute half shell II 321 and the side baffles II 323 is provided with a first strip-shaped clamping groove along the contour direction, the upper volute half shell II 321 and the upper volute half shell I 311 are spliced to form an upper volute cavity 30, the side baffles I and the side baffles II are spliced to form a side baffle, the upper section of the exhaust passage 324 and the lower section of the exhaust passage are spliced to form the lower-end-opened exhaust passage; the outer wall of the upper volute half shell II 321 and / or the side baffles II 323 is provided with a buckle 325 and / or a third connecting part 315, the third connecting part is provided with a third mounting hole, the outer wall of the upper volute half shell II 321 and / or the side baffles II 323 is provided with a fourth connecting part for connecting with the top plate, the second connecting part 3221 is provided with a second mounting hole.

[0036] Further, the upper volute half shell II 321 and the side baffles II 323 are integrally formed by injection molding.

[0037] Further, the outer wall of the upper volute half shell II 321 and the inner wall of the side baffles II 323, or the outer wall between the upper section of the exhaust passage, are provided with a second reinforcing rib 3231.

[0038] Further, the lower volute shell assembly 4 is spliced by a lower volute shell lower plate 41 and a lower volute shell upper plate 42.

[0039] Further, the top surface of the lower volute shell assembly 4 has a water collecting area 42a and a drainage area 42b in communication with the water collecting area 42a, the bottom surface of the water collecting area 42a is higher than the bottom surface of the drainage area 42b and can drain water into the drainage area, the bottom surface of the water collecting area 42a is provided with a mounting seat for mounting an evaporator 51, the drainage area 42b is located directly above the condenser, and the bottom surface of the drainage area 42b is provided with a drainage hole for draining water and cooling the condenser 52.

[0040] Further, the lower end of the lower bottom surface of the lower volute assembly 4 is provided with two hinge bases 411 for connecting with the condenser, and a support part 412 is arranged between the two hinge bases 411 for contacting and supporting the top of the condenser 52, and the raised end of the lower bottom surface of the lower volute assembly 4 is provided with two support bases 413, the bottom surface of the support base 413 is provided with a sleeve hole for mounting a stand column, and the side wall of the sleeve hole is provided with a mounting hole.

[0041] Further, the top of the lower volute assembly 4 is provided with a central hole 421 for mounting the driving motor 7, the edge of the central hole 421 is provided with a positioning groove 422 corresponding to the mounting part of the side wall of the driving motor, and the bottom surface of the positioning groove is provided with a mounting hole.

[0042] Advantages

[0043] The mobile air conditioner inclined air duct has the advantages that: the inclined air duct is adopted, so that the outlet end and the volute form an included angle, the air resistance is reduced, the air pressure (air speed) is improved, the air supply distance is farther, and the use effect is better; the upper end outlet mode is adopted, the outlet height is increased, and the air supply distance is further increased; the inclined structure is adopted, so that the internal volume of the upper volute is increased, the air inlet amount and the air outlet amount are increased, the air pressure and the air supply distance are further increased; the single motor driving reduces the production and manufacturing costs, the power consumption is low, the installation space is reduced, the overall structure is more compact, and the miniaturization of the mobile air conditioner is beneficial; the double air inlet mode is adopted for the upper volute, so that the air inlet amount is increased, and the air pressure and the air supply distance are improved; the volute assembly adopts the splicing form, so that the manufacturing process difficulty is reduced, the overall precision is improved, the assembly is convenient, the maintenance and maintenance are convenient, and the manufacturing and use costs are low; the side baffle is arranged on the upper volute, the butt joint is formed, the air inlet is used for air flow, the internal air resistance and the air noise are reduced, the large enough air inlet diameter and the air inlet amount are ensured, and the working noise is low; the upper volute assembly is arranged on the upper end of the lower volute assembly, the top surface of the lower volute assembly serves as the bottom plate of the upper volute assembly, the manufacturing cost and the installation space are reduced, and the structural compactness is improved; the reinforcing ribs are arranged on the side baffle, the structural rigidity of the side baffle is improved, the damage in the assembly process is avoided, the structural reliability is improved, meanwhile, the vibration and the noise are avoided in the operation process, the use effect is good, and the service life is long. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 It is a use state schematic view of the mobile air conditioner inclined air duct of the utility model;

[0045] Figure 2 It is a structure schematic view of the mobile air conditioner inclined air duct of the utility model;

[0046] Figure 3 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0047] Figure 4 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0048] Figure 5 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0049] Figure 6 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0050] Figure 7 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0051] Figure 8 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0052] Figure 9 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0053] Figure 10 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0054] Figure 11 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0055] Figure 12 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0056] Figure 13 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model; Figure 12 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model; Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0057] Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model; Figure 14 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model; Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0058] Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model; Figure 15 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model; Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0059] Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model; Figure 16 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model; Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0060] Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model; Figure 17 Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model; Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model;

[0061] Another angle structural schematic view of the mobile air conditioner inclined air duct of the utility model; Figure 18The utility model discloses a mobile air conditioner inclined air duct's top plate's structure schematic view.

[0062] Figure 19 The utility model discloses a mobile air conditioner inclined air duct's lower volute subassembly's structure schematic view.

[0063] Figure 20 The utility model discloses a mobile air conditioner inclined air duct's lower volute subassembly's another angle structure schematic view.

[0064] Figure 21 The utility model discloses a mobile air conditioner inclined air duct's lower volute subassembly's upper surface structure schematic view.

[0065] Figure 22 For Figure 21 The middle B part enlarged view. Specific implementation

[0066] Below, the embodiment of the utility model is introduced in detail in combination with the drawings.

[0067] Reference Figures 1-22 The utility model provides a kind of mobile air conditioner inclined air duct, it includes shell 1 and volute assembly.

[0068] Shell 1 is overall cuboid structure, shell 1 inside is hollow, forms installation cavity, it is used as installation carrier, for installing volute assembly and other components, guide wheel is provided at the bottom of shell 1, facilitate handling and moving;First air inlet 101a, second air inlet 102a and second air outlet 102b are set in the side wall of shell 1, while, first air outlet 101b is set in the top of shell 1, wherein, second air inlet 102a and second air outlet 102b are located on the same side wall of shell 1, and first air inlet 101a and second air inlet 102a are located on different side walls of shell 1, therefore, it will not interfere and influence the air inlet of first air inlet 101a;In the present application, first air inlet 101a is used for the air to be refrigerated to enter, first air outlet 101b is used for cold air to blow, second air inlet 102a is used for the air to enter for cooling condenser, and second air outlet 102b is used for hot air to blow, i.e. the air after completing heat dissipation to condenser is discharged.

[0069] In the present application, the setting surface of second air inlet 102a and second air outlet 102b is rear end surface, and the front end surface of shell 1 is provided with decorative plate for improving overall appearance, and first air inlet 101a is arranged on the left side wall or right side wall of shell 1, while, filter screen is detachably mounted on first air inlet 101a and second air inlet 102 for filtering the entering air, to avoid dust from entering and affecting refrigeration effect and use experience.

[0070] The volute assembly is installed in the installation cavity, and in the application, the volute assembly is arranged to be inclined, that is, the axis of the volute assembly is inclined to the horizontal plane, and specifically, the included angle between the axis of the volute assembly and the horizontal plane is greater than or equal to 54 degrees and less than 90 degrees, that is, the included angle between the end face of the volute assembly and the horizontal plane is 0 degrees to 36 degrees, preferably, the included angle between the axis of the volute assembly and the horizontal plane is greater than or equal to 74 degrees and less than or equal to 84 degrees, that is, the included angle between the end face of the volute assembly and the horizontal plane is 6 degrees to 16 degrees.

[0071] Referring to Figures 4-9 The volute assembly comprises an upper volute assembly 3 and a lower volute assembly 4, wherein the upper volute assembly 3 is arranged above the lower volute assembly 4, and in the application, the upper volute assembly 3 is fixed to the top of the lower volute assembly 4; an upper volute cavity 30 is arranged in the upper volute assembly 3, and a lower volute cavity 40 is arranged in the lower volute assembly 4, the upper volute cavity 30 and the lower volute cavity 40 are coaxially arranged, and the axes thereof are inclined to the horizontal plane, and the inclination angle is the inclination angle of the volute assembly, that is, the included angle between the horizontal plane is greater than or equal to 54 degrees and less than 90 degrees; an air outlet channel 30c is arranged on the side wall of the upper volute cavity 30, the air outlet channel 30c is arranged vertically and extends upward, and is connected to the first air outlet 101b at the top of the shell 1, for cold air outlet; an evaporator 51 is arranged on the air inlet path of the upper volute cavity 30, for cooling the passing airflow to form cold air; and a condenser 52 is arranged on the air inlet path of the lower volute cavity 40, the passing airflow is used for air cooling heat dissipation of the condenser to form hot air, which is discharged from the second air outlet 102b.

[0072] In order to improve the smoothness of air outlet, reduce air resistance and air noise, and facilitate overall structural arrangement, in the application, the air outlet channel 30c is arranged on the side wall of the raised end of the upper volute cavity 30, that is, on the side wall of the inclined upper end of the upper volute shell, and the air outlet end of the lower volute cavity 40 is arranged on the side wall of the lowered end, that is, on the side wall of the inclined lower end of the lower volute cavity 40.

[0073] The first air inlet hole 30a is communicated with the first air inlet 101a to form a first air inlet channel for air inlet of the upper cochlea 30; the lower end of the lower cochlea 40 is provided with a second air inlet hole 40a, the second air inlet hole 40a is communicated with the second air inlet 102a to form a second air inlet channel for air inlet of the lower cochlea; the air outlet end of the upper cochlea 30 (i.e. the air outlet channel 30c) is communicated with the first air outlet 101b for air outlet of the upper cochlea 30; the air outlet end of the lower cochlea 40 is connected with the second air outlet 102b for air outlet of the lower cochlea 40; the first air outlet guide duct 91 is detachably installed on the first air outlet 101b, the first air outlet guide duct 91 can realize radial rotation and bending, which is used for adjusting the air outlet direction to meet different use requirements; the second air outlet guide duct 92 is detachably installed on the second air outlet 102b for guiding the hot air to a remote place or outdoor to avoid affecting the refrigeration effect; the first air outlet guide duct 91 and the second air outlet guide duct 92 are folding air ducts, which can realize telescopic and folding bending, are convenient to use and meet different use requirements.

[0074] In the application, the lower volute assembly 4 separates the installation cavity into an upper cavity and a lower cavity, the second air inlet 102a is arranged on the side wall of the lower cavity, the condenser 52 is arranged on the second air inlet 102a, the first air inlet 101a is arranged on the side wall of the upper cavity, and the evaporator 51 is arranged on the first air inlet 101a; the driving motor 5 is arranged between the upper volute assembly 3 and the lower volute assembly 4, in the application, the driving motor 5 is fixed on the lower volute assembly 4, the axis of the driving motor 5 is coaxial with the upper and lower cochleas, the driving motor 5 has two output shafts, the upper end of the output shaft extends upward into the upper cochlea 30 and is connected with the first impeller 34 in the upper cochlea 30, and the lower end of the output shaft extends downward into the lower cochlea 40 and is connected with the second impeller 44 in the lower cochlea 40; the driving motor 5 is in the form of a motor and is used for driving the impellers in the upper and lower cochleas to rotate, which reduces the production cost and the installation space and is beneficial to the overall compact arrangement of the mobile air conditioner.

[0075] After the above structure is adopted, the volume of the upper cochlea 30 can be increased, the air inlet amount, the air outlet amount and the air outlet pressure can be improved, the refrigeration efficiency and the air supply distance can be improved, the use performance is strong, and in the application, the axial height of the upper cochlea 30 is 1.2-3 times the axial height of the lower cochlea 40.

[0076] Referring to Figures 10-18, specifically, the upper volute assembly 3 comprises an upper volute arranged obliquely, an upper volute cavity 30 is formed in the upper volute, the upper volute cavity 30 is oblique, and the oblique angle is the oblique angle of the volute assembly. First air inlet holes 30a are formed at the upper and lower ends of the upper volute, thereby forming double air inlet ends, which can improve air inlet efficiency and air inlet volume. Two side baffles are arranged on the outer side wall of the upper volute, the two side baffles are parallel to each other and tend to be perpendicular as a whole. In order to facilitate processing and manufacturing, in the present application, the side baffles are parallel to the axis of the upper volute cavity 30. The tail portions of the two side baffles are connected to form a seal, i.e., a U-shaped structure. A top plate 33 and a bottom plate are arranged at the upper and lower ends of the side baffles, respectively. In the present embodiment, the top surface of the lower volute assembly forms the bottom plate. There is a gap between the top plate 33 and the top surface of the upper volute for accommodating the air inlet of the first air inlet hole 30a at the upper end. At the same time, there is also a gap between the bottom plate and the bottom surface of the upper volute for accommodating the air inlet of the first air inlet hole 30a at the lower end. It forms an air passage for the air inlet of the two first air inlet holes 30a of the upper volute cavity 30. The above-mentioned top plate 33, bottom plate and two side baffles form a chamber structure with one open end (opening), and the open end of the chamber structure faces the first air inlet 101a of the shell side wall as the total air inlet end of the upper volute cavity 30. The evaporator 51 is fixed to the open end 300. Mounting holes are formed in the side baffles and the bottom plate for connecting with the evaporator 51. The evaporator 51 is clamped in the open end and fixed by screws. Thus, the incoming air flow passes through the evaporator for cooling, improving the refrigeration efficiency and effect, avoiding air leakage, reducing wind noise, and reducing working noise. Referring to Figure 18 The top plate 33 is a plate-shaped structure as a whole, which is installed above the upper volute assembly. The edge of the top plate 33 is bent downward by 90 degrees to form a sleeve joint portion 331, which can be sleeved on the top of the side baffle to realize positioning and installation. A connecting portion 332 is arranged on the side wall of the sleeve joint portion 331, and mounting holes are formed in the connecting portion to realize fixed connection with the side baffle by screws. An air outlet 334 is formed in the top plate 33 and is connected with the air outlet channel 30c. The top surface of the air outlet 334 is a horizontal surface, which can be connected with the first air outlet of the shell to realize the air outlet of the cold air of the upper volute cavity 30.

[0077] The upper volute assembly 3 in the application is fixed on the top of the lower volute assembly 4, therefore, a positioning clamping groove 4231 is formed on the top surface of the lower volute assembly, the positioning clamping groove 4231 has the same profile as the side baffle on the upper volute assembly, can contain the side baffle to be axially inserted, and then realizes positioning installation, in order to improve the positioning reliability, a plurality of positioning blocks 4232 are arranged on both sides of the positioning clamping groove 4231, the positioning blocks 4232 increase the contact area with the side baffle, improve the positioning reliability, and avoid the side baffle from being deviated; meanwhile, a plurality of second connecting parts 3121 are arranged on the outer bottom of the side baffle, mounting holes are formed on the connecting parts 3121, meanwhile, mounting holes corresponding to the second connecting parts are formed on the top surface of the lower volute assembly, and the two are fixedly connected through screws.

[0078] In order to improve the structural strength of the upper volute assembly, avoid damage during assembly, and avoid vibration during operation, thereby reducing the working noise, in the application, the reinforcing ribs 3231 and 3131 are arranged between the inner wall of the side baffle and the outer wall of the upper volute.

[0079] In order to improve the structural precision, reduce the production difficulty and manufacturing cost, and facilitate overall assembly, in the application, the upper volute assembly is spliced by the upper volute lower plate 31 and the upper volute upper plate 32, meanwhile, the positioning part and the fixing part are arranged on the upper end of the upper volute lower plate 31 and the lower end of the upper volute upper plate 32, the positioning part is used for quick positioning butt joint, and the fixing part is used for fixing, specifically, the positioning part is a first strip-shaped protrusion 3132 and a first strip-shaped clamping groove arranged along the profile of the upper volute lower plate 31 and the upper volute upper plate 32, the first strip-shaped protrusion 3132 and the first strip-shaped clamping groove can realize axial butt joint, realize quick positioning, meanwhile, can avoid air leakage, ensure the air pressure, reduce the wind noise, and the fixing part is a buckle 325 and a clamping groove 314, which can realize quick butt joint.

[0080] The structure of the upper volute assembly (the upper volute lower plate 31 and the upper volute upper plate 32) is described in detail as follows:

[0081] Referring to Figures 15-16The upper volute lower plate 31 comprises an upper volute half shell I 311 which is circular and has an open upper end. A first hole body 3110 is formed at the lower end of the upper volute half shell I 311, which serves as the lower end air inlet of the upper volute cavity 30. The inner wall of the upper volute half shell I 311 is outwardly convex to form an exhaust passage lower section 311a. The side wall of the exhaust passage lower section 311a is arc-shaped and tangent to the lower bottom surface of the upper volute half shell I 311, and transitions in an arc shape. The exhaust passage lower section 311a is in overall communication with the interior of the volute. In this application, the exhaust passage lower section 311a is arranged on one side of the upwardly convex end of the upper volute half shell I 311, i.e. on the upper end side of the inclined end. Two parallel side baffles I 313 are arranged on the side wall of the upper volute half shell I 311. The side baffles I 313 are parallel to the axis of the upper volute half shell I 311, one is arranged on the inclined upper end, and the other is arranged on the inclined lower end. The lower end of the side baffles I 313 is lower than the bottom surface of the upper volute half shell I 311, so as to generate a gap and form an air passage for the air inlet of the first hole body 3110. The tail portions of the side baffles I 313 are connected to form a seal, i.e. a U-shaped structure with one end open. A first strip-shaped protrusion 3132 is arranged on the top of the upper volute half shell I 311 and the side baffles I 313 along the contour direction. A clamping groove 314 and a first connecting portion 315 are arranged on the outer wall upper end of the upper volute half shell I 311 or the side baffles I 313, so as to realize the connection and fixation with the upper volute lower plate. A first mounting hole is formed on the first connecting portion. Meanwhile, a second connecting portion 3121 for connecting with the top surface of the lower volute shell assembly is arranged on the outer wall lower end of the upper volute half shell I 311 or the side baffles I 313, and a second mounting hole is formed on the second connecting portion 3221. In order to improve the overall structural strength and avoid vibration during work, a first reinforcing rib 3131 is arranged between the outer wall of the upper volute half shell I 311 and the inner wall of the side baffles I 313, or between the outer wall of the exhaust passage lower section. The upper volute half shell I 311 and the side baffles I 313 are integrally formed by injection molding.

[0082] Referring to Figure 17The upper volute shell upper plate 32 comprises an upper volute half shell II 321, which is circular as a whole, with an open lower end. A second hole body 3210 is formed in the upper end of the upper volute half shell II 321, which serves as the upper end air inlet of the upper volute cavity 30. The inner wall of the upper volute half shell II 321 protrudes outward to form an upper exhaust passage section 324, the upper end of which serves as the air outlet of the upper volute cavity 30. The upper exhaust passage section 324 and the lower exhaust passage section 311a are spliced to form a complete exhaust passage 30c, which is the air outlet end of the upper volute cavity. The exhaust passage is vertically arranged on the side wall of the raised end of the upper volute shell, and forms a certain angle with the upper volute cavity. Two parallel side baffles II 323 are arranged on the side wall of the upper volute half shell II 321, which are parallel to the axis of the upper volute half shell II 321, one is arranged on the inclined upper end, and the other is arranged on the inclined lower end. They correspond to the two side baffles I on the upper volute half shell I, and can be butt-jointed. The upper end of the side baffle II 323 is higher than the top surface of the upper volute half shell II 321, which is used for installing the top plate and forming a gap to form an air duct for the air inlet of the second hole body 3210. The tail of the side baffle II 323 is connected to form a seal, that is, a U-shaped structure with one end open. A first slot is arranged on the bottom of the upper volute half shell II 321 and the side baffle II 323 along the contour direction, which can be butt-jointed (inserted) with the first protrusion 3132 on the upper volute shell lower plate, realizing splicing of the two. The upper volute half shell II 321 and the upper volute half shell I 311 are spliced to form the upper volute cavity 30. The side baffle I and the side baffle II are spliced to form the side baffle. The upper exhaust passage section 324 and the lower exhaust passage section are spliced to form an exhaust passage with an open upper end. A buckle 325 or a third connecting part 315 is arranged on the outer wall of the upper volute half shell II 321 or the side baffle II 323. A third mounting hole is formed on the third connecting part. A fourth connecting part for connecting with the top plate is arranged on the outer wall of the upper volute half shell II 321 or the side baffle II 323. A second mounting hole is formed on the second connecting part 3221. In order to improve the overall structural strength and avoid vibration during work, a second reinforcing rib 3231 is arranged between the outer wall of the upper volute half shell II 321 and the inner wall of the side baffle II 323, or between the outer wall of the upper exhaust passage section. The above-mentioned volute half shell II 321 and the side baffle II 323 are integrally formed by injection molding.

[0083] The lower volute shell assembly 4 is spliced by the lower volute shell lower plate 41 and the lower volute shell upper plate 42. Referring to Figures 19-22The lower volute assembly 4 has a water collecting area 42a and a water draining area 42b communicating with the water collecting area 42a on the top surface of the lower volute assembly 4, the bottom surface of the water collecting area 42a is higher than the bottom surface of the water draining area 42b, so that the condensed water on the evaporator can be drained into the water draining area, a mounting seat is arranged on the bottom surface of the water collecting area 42a for mounting and fixing the evaporator 51, that is, the water collecting area 42a is located directly below the evaporator 51, and the water draining area 42b is located directly above the condenser, a water draining hole is arranged on the bottom surface of the water draining area 42b for draining water and cooling the condenser 52, that is, the water droplets discharged fall on the condenser to achieve water cooling heat dissipation of the condenser, two hinge seats 411 are arranged on one side of the lower end (inclined lower end) of the bottom surface of the lower volute assembly 4, the two hinge seats 411 are used for being connected with the condenser, a supporting part 412 is arranged between the two hinge seats 411, the supporting part 412 is used for being in contact with the top of the condenser 52, so as to achieve support of the volute assembly, two support seats 413 are arranged on one side of the raised end (inclined upper end) of the bottom surface of the lower volute assembly 4, a sleeve hole for mounting a stand is arranged on the bottom surface of the support seat 413, and a mounting hole is arranged on the side wall of the sleeve hole for fixing the stand, so as to achieve support and fixation of the entire volute assembly, the driving motor 5 is fixed on the top of the lower volute assembly, specifically, the driving motor 5 is fixed on the top surface of the lower volute upper plate 42, a center hole is arranged on the top of the lower volute assembly 4 for allowing the driving motor 5 to pass through, a positioning groove 422 is arranged on the edge of the center hole 421, the positioning groove 422 corresponds to mounting pieces on the side wall of the driving motor, the mounting pieces are at least three and are arranged radially on the side wall of the driving motor, the mounting pieces are in a convex structure, the bottom surface of the mounting pieces is a plane and can be attached to the top surface of the lower volute assembly 4 to achieve axial limiting, and the mounting pieces can be clamped in the positioning groove 422 to achieve radial positioning, mounting holes are arranged on the mounting pieces and the positioning groove, and the mounting holes can be fixed by screws.

[0084] Compared with the existing flat air duct, the inclined air duct has a longer air supply distance and smaller air noise.

[0085] The existing flat air duct and the inclined air duct (the inclination angle is 10 degrees) in the application are compared, and the two are tested in the same environment, wherein the test environment temperature is 25 degrees, the indoor is in a windless state, the hot air is drained to the outdoor through the air pipe, the length of the air outlet pipe at the cold air end is 1.5 m, and the inclination angle with the horizontal plane is 30 degrees, and the table is referred to.

[0086]

[0087] From the above test data, compared with the existing air duct design, the inclined air duct is adopted, so that the air outlet pressure (air speed) is larger, the air supply distance is farther, and the use effect is better; wherein, the above air supply distance with feeling is the horizontal distance from the outlet end of the air pipe to the end of the windless position; in the present application, the inclined single motor structure, compared with the existing air duct design, the air outlet speed is increased by about 15%-19%, the air supply distance is increased by 15%-20%, and the refrigeration effect is better, the performance is improved obviously, the use effect is better, and the experience is better.

[0088] The utility model mobile air conditioner inclined air duct adopts the inclined air duct, makes the air outlet end and the volute form the included angle, reduces the wind resistance, improves the air pressure (air speed), and the air supply distance is farther, and the use effect is better; adopt the upper end air outlet mode, increase the air outlet height, further increase the air supply distance; adopt the inclined structure, can increase the internal volume of the upper volute, increase the air intake and the air outlet, further increase the air pressure and the air supply distance; Single motor drive reduces the production and manufacturing cost, and low power consumption reduces the installation space simultaneously, makes the overall structure more compact, is favorable to the miniaturization of mobile air conditioner, the upper volute adopts the double air intake, increases the air intake, and further improves the air pressure and the air supply distance; The volute assembly adopts the splicing form, reduces the process difficulty of manufacturing, improves the overall precision, and convenient to assemble, is favorable to maintenance and maintenance, and the manufacturing and use cost are low; The side baffle is arranged on the upper volute, forms the butt joint, is used for air intake drainage, reduces the internal wind resistance and the wind noise, ensures that the air inlet diameter and the air intake are large enough, and the working noise is low; The upper volute assembly is arranged on the upper end of the lower volute assembly, and the top surface of the lower volute assembly serves as the bottom plate of the upper volute assembly, which reduces the manufacturing cost and installation space and improves the structural compactness; The reinforcing rib is arranged on the side baffle, the structural rigidity of the side baffle is improved, damage in the assembly process is avoided, the structural reliability is improved, at the same time, vibration and noise are avoided in the operation process, the use effect is good, and the service life is long; The utility model mobile air conditioner inclined air duct is compact in structure, small in size, low in manufacturing and use cost, easy to assemble, high in air outlet speed and air supply distance, low in working noise, good in use effect and long in service life.

[0089] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, without departing from the technical principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection range of the utility model.

Claims

1. A mobile air conditioner diagonal duct, characterized by, The application relates to a shell as a mounting carrier, which is hollow inside and forms a mounting cavity; a volute assembly is obliquely arranged in the mounting cavity, the volute assembly comprises an upper volute assembly and a lower volute assembly arranged below the upper volute assembly, the upper volute assembly and the lower volute assembly are respectively provided with an upper volute cavity and a lower volute cavity, the upper volute cavity and the lower volute cavity are coaxially arranged and the axes thereof are oblique to a horizontal plane, the side wall of the upper volute cavity is provided with an air exhaust channel which extends upwards and is connected with a first air outlet at the top of the shell and is used for air exhaust, an evaporator is arranged on the air inlet path of the upper volute cavity, and a condenser is arranged on the air inlet path of the lower volute cavity. The included angle between the axis of the volute assembly and the horizontal plane is greater than or equal to 54 degrees and less than 90 degrees. The air exhaust channel is perpendicular to the horizontal plane.

2. The mobile air conditioner canted duct of claim 1, wherein: The air exhaust channel is arranged on the side wall of the upturned end of the upper volute cavity, and the air outlet end of the lower volute cavity is arranged on the side wall of the down-turned end.

3. The mobile air conditioner canted duct of claim 1, wherein: The side wall of the shell is provided with a first air inlet, a second air inlet and a second air outlet, the top of the shell is provided with a first air outlet, the top and / or bottom of the upper volute cavity is provided with a first air inlet hole, the first air inlet hole is communicated with the first air inlet and forms a first air inlet channel; the lower end of the lower volute cavity is provided with a second air inlet hole, the second air inlet hole is communicated with the second air inlet and forms a second air inlet channel, the air outlet end of the upper volute cavity is connected with the first air outlet, and the air outlet end of the lower volute cavity is connected with the second air outlet.

4. The mobile air conditioner canted duct of claim 1, wherein: The lower volute assembly separates the mounting cavity into an upper cavity and a lower cavity, the second air inlet is arranged on the side wall of the lower cavity, and the first air inlet is arranged on the side wall of the upper cavity.

5. The mobile air conditioner canted duct of claim 1, wherein: A driving motor is arranged between the upper volute assembly and the lower volute assembly, two output shafts of the driving motor extend into the upper volute cavity and the lower volute cavity respectively and are connected with a first impeller in the upper volute cavity and a second impeller in the lower volute cavity.

6. The mobile air conditioner canted duct of claim 5, wherein: The upper volute assembly comprises an obliquely arranged upper volute, the upper and lower ends of the upper volute are provided with first air inlet holes and form double air inlet ends, the side wall of the upper volute is provided with two side baffles, the tails of the two side baffles are connected and form a sealing portion, the upper and lower ends of the side baffles are respectively provided with a top plate and a bottom plate, gaps are formed between the top plate and the top surface of the upper volute and between the bottom plate and the bottom surface of the upper volute, and air passages are formed, a chamber structure with an open end is formed between the top plate, the bottom plate and the two side baffles, the open end of the chamber structure faces the first air inlet of the shell side wall and serves as an air inlet end, and the evaporator is fixed on the open end.

7. The mobile air conditioner canted duct of claim 1, wherein: Reinforcing ribs are arranged between the inner wall of the side baffle and the outer wall of the upper volute.

8. The mobile air conditioner canted duct of claim 5, wherein: The top surface of the lower volute assembly serves as the bottom plate.

9. The mobile air conditioner canted duct of claim 8, wherein: ​ 10. The mobile air conditioner canted duct of claim 8, wherein: ​

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