Compressor assembly and air compressor

Abstract

The utility model discloses a compressor assembly and an air compressor, and belongs to the technical field of air compressors. The compressor assembly comprises a shell, a stator assembly and a rotor assembly. The shell is provided with a first air inlet, a first air outlet, an air inlet cavity communicating with the first air inlet and an air outlet cavity communicating with the first air outlet. The stator assembly is arranged in the shell and arranged between the air inlet cavity and the air outlet cavity in the axial direction of the compressor assembly. The rotor assembly and the stator assembly are connected in a sleeved and rotatable mode, a gap is formed between the stator assembly and the rotor assembly in the radial direction of the compressor assembly, a heat dissipation channel is formed, the heat dissipation channel is connected with the air inlet cavity and the air outlet cavity, and at least one of the air inlet cavity and the air outlet cavity is provided with a flow guiding device used for guiding flow in the radial direction of the compressor assembly. According to the compressor assembly, the air flow in the compressor assembly is guided to flow evenly through the flow guiding device, so that the heat dissipation effect of the compressor assembly is improved, and uneven heat dissipation of the compressor assembly is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of air compressors, in particular to a compressor assembly and an air compressor comprising the compressor assembly. Background Art

[0002] In the related art, when cooling the stator assembly and the rotor assembly in the compressor assembly, a fan cooling solution is generally adopted, that is, air cooling is used to dissipate heat. However, when the airflow passes through the interior of the compressor assembly, local vortices are easily generated. The existence of local vortices causes uneven internal heat dissipation of the compressor assembly. Utility Model Content

[0003] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0004] To this end, one purpose of the utility model is to provide a compressor assembly, which guides the airflow in the compressor assembly to flow evenly through a guide device to improve the heat dissipation effect of the compressor assembly and avoid uneven heat dissipation of the compressor assembly.

[0005] Another object of the present invention is to provide an air compressor, which includes the aforementioned compressor assembly.

[0006] According to the compressor assembly in the embodiment of the utility model, the compressor assembly includes a shell, a stator assembly and a rotor assembly, the shell having a first air inlet, a first air outlet, an air inlet cavity connected to the first air inlet and an air outlet cavity connected to the first air outlet; the stator assembly is disposed in the shell and arranged between the air inlet cavity and the air outlet cavity along the axial direction of the compressor assembly; the rotor assembly is sleeved and rotatably connected to the stator assembly, the stator assembly and the rotor assembly have a gap along the radial direction of the compressor assembly and construct a heat dissipation channel, the heat dissipation channel connects the air inlet cavity and the air outlet cavity, wherein at least one of the air inlet cavity and the air outlet cavity is provided with a flow guide device for guiding flow along the radial direction of the compressor assembly.

[0007] According to the compressor assembly in the embodiment of the utility model, the airflow in the compressor assembly is guided to flow evenly through the guide device, so as to improve the heat dissipation effect of the compressor assembly and avoid uneven heat dissipation of the compressor assembly.

[0008] In addition, the compressor assembly according to the above embodiment of the utility model may also have the following additional technical features:

[0009] Optionally, the flow guiding device comprises a plurality of heat dissipating fins, and the plurality of heat dissipating fins are distributed in a divergent shape along the circumference of the compressor assembly.

[0010] Optionally, the heat dissipation fins extend along the radial direction, air flow channels are constructed between adjacent heat dissipation fins, and the spacing between adjacent fins gradually decreases in the direction from outside to inside along the radial direction.

[0011] Optionally, the first air inlet is arranged on the outer side of the air inlet cavity along the radial direction, and the first air inlet includes a plurality of first air inlets, which are distributed along the circumference of the compressor assembly.

[0012] Optionally, the compressor assembly also includes a first cover shell, which is connected to the shell and covers the outside of the multiple first air inlets, and an air inlet channel is provided between the first cover shell and the shell. The first cover shell is provided with a second air inlet, and the air inlet channel is respectively connected to the multiple first air inlets and the second air inlets.

[0013] Optionally, the second air inlet is staggered with the first air inlet in the circumferential direction and / or the axial direction.

[0014] Optionally, the first air outlet is arranged on the outer side of the air outlet cavity along the radial direction, and the first air outlet includes a plurality of first air outlets, and the plurality of first air outlets are distributed along the circumference of the compressor assembly.

[0015] Optionally, the compressor assembly also includes a second cover shell, which is connected to the shell and covers the outside of the multiple first air outlets. An air outlet channel is provided between the second cover shell and the shell. The second cover shell is provided with a second air outlet, and the air outlet channel is respectively connected to the multiple first air outlets and the second air outlet.

[0016] Optionally, the second air outlet is staggered with the first air outlet in the circumferential direction and / or the axial direction.

[0017] Optionally, the compressor assembly includes a first cover shell and a second cover shell, the first cover shell is connected to the shell and covers the outside of the first multiple air inlets, an air inlet channel is provided between the first cover shell and the shell, and the first cover shell is provided with a second air inlet; the second cover shell is connected to the shell and covers the outside of the first multiple air outlets, an air outlet channel is provided between the second cover shell and the shell, and the second cover shell is provided with a second air outlet; the second air inlet and the second air outlet are distributed axially.

[0018] Optionally, the compressor assembly also includes a first bearing assembly and a second bearing assembly, the first bearing assembly and the second bearing assembly are distributed along the axial direction, and the stator assembly is located between the first bearing assembly and the second bearing assembly, wherein the air inlet chamber is located between the first bearing assembly and the stator assembly, and the air outlet chamber is located between the second bearing assembly and the stator assembly.

[0019] Optionally, the guide device includes a heat sink and heat fins, the heat sink is connected to the heat sink and is arranged on at least one side of the heat sink along the axial direction, wherein the air inlet chamber is provided with the guide device, and the heat sink of the guide device is bonded to the first bearing assembly and at least one of the stator assembly through thermal conductive adhesive; and / or the air outlet chamber is provided with the guide device, and the heat sink of the guide device is bonded to the second bearing assembly and at least one of the stator assembly through thermal conductive adhesive.

[0020] According to the air compressor in the embodiment of the utility model, the air compressor includes the compressor assembly mentioned above.

[0021] According to the air compressor in the embodiment of the utility model, by applying the aforementioned compressor assembly, the air compressor has good heat dissipation performance and improves the working stability of the air compressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of a compressor assembly in some embodiments of the present invention.

[0023] Figure 2 4 is a radial cross-sectional view of a compressor assembly in some embodiments of the present invention.

[0024] Figure 3 It is an axial cross-sectional view of a compressor assembly in some embodiments of the present invention (showing the air inlet cavity).

[0025] Reference numerals:

[0026] Compressor assembly 100, shell 10, first air inlet 11, first air outlet 12, air inlet cavity 13, air outlet cavity 14, stator assembly 20, rotor assembly 30, flow guide device 40, cooling fins 41, air flow channel 42, heat sink 43, first cover shell 50, air inlet channel 51, second air inlet 52, second cover shell 60, air outlet channel 61, second air outlet 62, first bearing assembly 70, second bearing assembly 80, axial direction AA, circumferential direction BB. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0028] The utility model provides a compressor assembly 100 and an air compressor. The compressor assembly 100 guides the airflow in the compressor assembly 100 to flow evenly through a flow guide device 40, so as to improve the heat dissipation effect of the compressor assembly 100 and avoid uneven heat dissipation of the compressor assembly 100.

[0029] Reference Figures 1 to 3 (The dotted arrows in the figure indicate the direction of air flow). According to the compressor assembly 100 in the embodiment of the present utility model, the compressor assembly 100 includes a housing 10 , a stator assembly 20 and a rotor assembly 30 .

[0030] Among them, the shell 10 has a first air inlet 11, a first air outlet 12, an air inlet chamber 13 connected to the first air inlet 11, and an air outlet chamber 14 connected to the first air outlet 12; the stator assembly 20 is arranged in the shell 10, and is arranged between the air inlet chamber 13 and the air outlet chamber 14 along the axial direction of the compressor assembly 100; the rotor assembly 30 is sleeved and rotatably connected to the stator assembly 20, the stator assembly 20 and the rotor assembly 30 have a gap along the radial direction of the compressor assembly 100 and construct a heat dissipation channel, the heat dissipation channel connects the air inlet chamber 13 and the air outlet chamber 14, wherein at least one of the air inlet chamber 13 and the air outlet chamber 14 is provided with a guide device 40 for guiding air along the radial direction of the compressor assembly 100.

[0031] For the convenience of description, unless otherwise specified, the circumferential, radial, and axial directions described below may be referred to as the circumferential direction of the compressor assembly 100 , the radial direction of the compressor assembly 100 , and the axial direction of the compressor assembly 100 .

[0032] Specifically, in the compressor assembly 100, the air flow can pass through the first air inlet 11, the air inlet chamber 13, the heat dissipation channel, the air outlet chamber 14 and the first air outlet 12 in sequence, so that the compressor assembly 100 can be cooled by air cooling. However, in the process of the air flow passing through the air inlet chamber 13 and the air outlet chamber 14, the air flow will generate turbulent air flow in the air inlet chamber 13 and the air outlet chamber 14, resulting in poor heat dissipation effect of the compressor assembly 100; therefore, a guide device 40 can be provided in at least one of the air inlet chamber 13 and the air outlet chamber 14, and the guide device 40 is used to guide the air flow to flow evenly in the air inlet chamber 13 and / or the air outlet chamber 14, so as to better cover the air inlet chamber 13 and / or the air outlet chamber 14, facilitate the air flow to evenly dissipate heat in the air inlet chamber 13 and the air outlet chamber 14, and improve the heat dissipation effect of the compressor assembly 100.

[0033] Combination Figure 2 and Figure 3The working principle of the flow guide device 40 can be shown: taking the air inlet chamber 13 as an example, the flow guide device 40 can be set as a flow guide structure from the radial outer side to the radial inner side, so that when the airflow passes through the air inlet chamber 13, the flow guide device 40 can guide the airflow to flow radially, that is, flow from the radial outer side of the air inlet chamber 13 to the radial inner side of the air inlet chamber 13. In this process, the airflow can be evenly distributed in the air inlet chamber 13, and the air inlet chamber 13 is cooled and dissipated, thereby improving the heat dissipation effect of the compressor assembly 100. In addition, taking the air outlet chamber 14 as an example, the flow guide device 40 can be set as a flow guide structure from the radial inner side to the radial outer side, so that when the airflow passes through the air outlet chamber 14, the flow guide device 40 can guide the airflow to flow radially, that is, flow from the radial inner side of the air outlet chamber 14 to the radial outer side of the air outlet chamber 14. In this process, the airflow can be evenly distributed in the air outlet chamber 14, and the air outlet chamber 14 is cooled and dissipated, thereby improving the heat dissipation effect of the compressor assembly 100.

[0034] It should be noted that the stator assembly 20 and the rotor assembly 30 have a gap in the radial direction, and the gap constitutes a heat dissipation channel. It can be understood that the heat dissipation channel can extend in the axial direction, and the two ends of the heat dissipation channel in the axial direction are respectively connected to the air inlet chamber 13 and the air outlet chamber 14. When the guide device 40 guides the airflow to flow radially in the air inlet chamber 13, the airflow can flow from the periphery of the air inlet chamber 13 toward the center, so as to flow into the heat dissipation channel after evenly passing through the air inlet chamber 13, and flow to the air outlet chamber 14 after passing through the heat dissipation channel, and then the airflow can flow along the center of the air outlet chamber 14 toward the periphery, thereby improving the heat dissipation effect of the compressor assembly 100.

[0035] Therefore, according to the compressor assembly 100 in the embodiment of the present invention, the airflow in the compressor assembly 100 is guided to flow evenly through the flow guide device 40 to improve the heat dissipation effect of the compressor assembly 100 and avoid uneven heat dissipation of the compressor assembly 100.

[0036] Reference Figure 2 and Figure 3 In some embodiments of the present invention, the guide device 40 may include a plurality of heat dissipation fins 41 , and the plurality of heat dissipation fins 41 are distributed in a divergent shape along the circumference of the compressor assembly 100 to improve the heat dissipation effect of the compressor assembly 100 .

[0037] Specifically, a plurality of heat dissipation fins 41 are arranged along the circumferential direction, and a plurality of heat dissipation fins 41 radiate around with the heat dissipation channel as the center, so that when the airflow passes through the air inlet chamber 13, it can be guided by the plurality of heat dissipation fins 41, guiding the airflow to flow from the radial outer side of the air inlet chamber 13 to the radial inner side, and finally to the heat dissipation channel; similarly, when the airflow passes through the air outlet chamber 14, it can be guided by the plurality of heat dissipation fins 41, guiding the airflow to flow from the radial inner side of the air outlet chamber 14 to the radial outer side, and finally to be discharged from the compressor assembly 100; through the plurality of heat dissipation fins 41 in the aforementioned air inlet chamber 13 and / or air outlet chamber 14, the airflow can be evenly distributed in the air inlet chamber 13 and / or the air outlet chamber 14, so as to improve the heat dissipation effect of the compressor assembly 100.

[0038] In addition, there are various arrangements of the plurality of heat dissipation fins 41. According to a first example, in the axial projection, the plurality of heat dissipation fins 41 extend in the tangential direction of the heat dissipation channel, and the plurality of heat dissipation fins 41 are in a divergent shape. According to a second example, in the axial projection, the plurality of heat dissipation fins 41 extend in the radial direction of the heat dissipation channel (combined with the attached Figures 1 to 3 It can be seen that the heat dissipation channel extends in a radial direction (that is, a radial direction of the compressor assembly 100 ), and the plurality of heat dissipation fins 41 are in a divergent shape.

[0039] For the second example described above, refer to Figure 2 and Figure 3 In some embodiments of the utility model, the heat dissipation fins 41 extend radially, and air flow channels 42 are constructed between adjacent heat dissipation fins 41; it can be understood that multiple heat dissipation fins 41 respectively construct multiple air flow channels 42, and the multiple air flow channels 42 extend radially around with the heat dissipation channel as the center to form a divergent shape; after the airflow enters the air inlet cavity 13 and / or the air outlet cavity 14, it can enter the multiple air flow channels 42 respectively, and flow radially under the guidance of the air flow channels 42, so that the airflow flows evenly in the air inlet cavity 13 and / or the air outlet cavity 14, so that the airflow can better cover the air inlet cavity 13 and / or the air outlet cavity 14, thereby improving the heat dissipation efficiency.

[0040] In addition, the spacing between adjacent fins gradually decreases in the radial direction from the outside to the inside; combined with the foregoing, it can be understood that in the direction from the radial outside to the radial inside, the flow area of ​​the airflow channel 42 gradually decreases, so that in the air inlet cavity 13, the airflow can be guided to concentrate on the heat dissipation channel, making it convenient for the airflow to enter the heat dissipation channel; in the air outlet cavity 14, the airflow can be guided to diverge around the heat dissipation channel, making it convenient for the airflow to discharge from the heat dissipation channel.

[0041] Reference Figure 2 and Figure 3In some embodiments of the utility model, the first air inlet 11 is arranged on the radial outer side of the air inlet cavity 13, and the first air inlet 11 includes multiple first air inlets 11, which are distributed along the circumference of the compressor assembly 100 so that the airflow can better cover the air inlet cavity 13 and improve the heat dissipation efficiency of the compressor assembly 100.

[0042] Specifically, multiple first air inlets 11 can respectively correspond to multiple air flow channels 42 in the air inlet cavity 13; when the compressor assembly 100 is working, the airflow can enter the air inlet cavity 13 from multiple directions through the multiple first air inlets 11, and the airflow can be guided by multiple heat dissipation fins 41 in the air inlet cavity 13, so that the airflow can flow evenly in the air inlet cavity 13 to better cover the entire air inlet cavity 13, thereby improving the heat dissipation effect of the compressor assembly 100.

[0043] Reference Figures 1 to 3 In some embodiments of the present invention, the compressor assembly 100 may further include a first casing 50 .

[0044] Among them, the first cover shell 50 is connected to the shell body 10 and is covered on the outside of multiple first air inlets 11. An air inlet channel 51 is provided between the first cover shell 50 and the shell body 10. The first cover shell 50 is provided with a second air inlet 52, and the air inlet channel 51 is respectively connected to the multiple first air inlets 11 and the second air inlet 52; such a configuration can facilitate the airflow to evenly cover the air inlet cavity 13, thereby improving the heat dissipation effect of the compressor assembly 100.

[0045] In detail, in combination with the foregoing, multiple first air inlets 11 are distributed along the circumferential direction, so that the first cover shell 50 can extend along the circumferential direction to form an annular air inlet channel 51 between the first cover shell 50 and the shell 10; in the compressor assembly 100, the airflow can first enter from the second air inlet 52, and then pass through the annular air inlet channel 51, and the annular air inlet channel 51 is respectively connected to the multiple first air inlets 11, so that the airflow in the annular air inlet channel 51 can be distributed to the multiple first air inlets 11, so that the airflow passes through the air inlet cavity 13 evenly, so that the airflow can better cover the air inlet cavity 13, thereby improving the heat dissipation effect of the compressor assembly 100.

[0046] Moreover, the setting of the first cover shell 50 can facilitate the air cooling and heat dissipation of the compressor assembly 100 by active air intake, wherein active air intake can be understood as the airflow driving member driving the airflow to blow air into the air inlet chamber 13 to form a positive pressure in the air inlet chamber 13; combined with the above, when the compressor assembly 100 actively intakes air, the air inlet channel 51 and the second air inlet 52 in the first cover shell 50 can cooperate with the first air inlet 11 to evenly distribute the airflow, so as to avoid uneven distribution of the airflow in the air inlet chamber 13 during active air intake, resulting in poor heat dissipation effect. In addition, the airflow driving member is connected to the second air inlet 52 to achieve air intake, and there is no need to additionally set up multiple airflow driving members to be connected to the first air inlet 11 respectively. In other words, the setting of the first cover shell 50 can reduce the cost of the compressor assembly 100.

[0047] In addition, the provision of the first cover shell 50 can improve the sealing performance of the compressor assembly 100 , thereby preventing the external environment from entering the interior of the compressor assembly 100 through the multiple first air inlets 11 and affecting the normal operation of the compressor assembly 100 .

[0048] Reference Figures 1 to 3 In some embodiments of the present invention, the second air inlet 52 is staggered with the first air inlet 11 in the circumferential direction and / or axial direction. With this arrangement, after the airflow passes through the second air inlet 52, it can first flow along the air inlet channel 51, and distribute the airflow to multiple first air inlets 11 through the air inlet channel 51, so as to avoid the situation where when the second air inlet 52 is opposite to the first air inlet 11, the airflow directly passes through the first air inlet 11 after passing through the second air inlet 52, thereby affecting the uniform flow of the airflow in the air inlet cavity 13.

[0049] Reference Figures 1 to 3 In some embodiments of the present invention, the first air outlet 12 is arranged on the radial outer side of the air outlet cavity 14, and the first air outlet 12 includes multiple first air outlets 12, which are distributed along the circumference of the compressor assembly 100 so that the airflow can better cover the air outlet cavity 14 and improve the heat dissipation efficiency of the compressor assembly 100.

[0050] Specifically, multiple first air outlets 12 can respectively correspond to multiple air flow channels 42 in the air outlet cavity 14; when the compressor assembly 100 is working, the airflow can be guided by multiple heat dissipation fins 41 in the air outlet cavity 14, and then discharged from multiple directions through multiple first air outlets 12, so that the airflow can flow evenly in the air outlet cavity 14 to better cover the entire air outlet cavity 14, thereby improving the heat dissipation effect of the compressor assembly 100.

[0051] Reference Figure 1 and Figure 2 In some embodiments of the present invention, the compressor assembly 100 further includes a second casing 60 .

[0052] Among them, the second cover shell 60 is connected to the shell body 10 and is covered on the outside of multiple first air outlets 12. An air outlet channel 61 is provided between the second cover shell 60 and the shell body 10. The second cover shell 60 is provided with a second air outlet 62. The air outlet channel 61 is respectively connected to the multiple first air outlets 12 and the second air outlet 62. Such an arrangement can facilitate the centralized processing of the exhaust airflow of the compressor assembly 100.

[0053] In detail, in combination with the above, the multiple first air outlets 12 are distributed along the circumferential direction, so that the second cover shell 60 can extend along the circumferential direction to form an annular air outlet channel 61 between the second cover shell 60 and the shell 10; in the compressor assembly 100, the airflow can be discharged from the multiple first air outlets 12, and then the airflow discharged from the multiple first air outlets 12 is collected through the annular air outlet channel 61, and then discharged from the compressor assembly 100 from the second air outlet 62, so as to facilitate the centralized processing of the airflow discharged from the compressor assembly 100.

[0054] Moreover, the setting of the second cover shell 60 can facilitate the air cooling and heat dissipation of the compressor assembly 100 by passive air intake, wherein the passive air intake can be understood as the airflow driving member driving the airflow to be drawn out from the air outlet chamber 14 to form a negative pressure in the air outlet chamber 14; combined with the above, when the compressor assembly 100 passively intakes air, the air outlet channel 61 and the second air outlet 62 in the second cover shell 60 can cooperate with the first air outlet 12 to concentrate the airflow at the second air outlet 62 for exhaust, so that the airflow driving member only needs to be connected to the second air outlet 62 to achieve air outlet, and there is no need to additionally set up multiple airflow driving members to be connected to the first air inlet 11 respectively. In other words, the setting of the second cover shell 60 can reduce the cost of the compressor assembly 100.

[0055] In addition, the provision of the second cover shell 60 can improve the sealing performance of the compressor assembly 100 , thereby preventing the external environment from entering the interior of the compressor assembly 100 through the plurality of first air outlets 12 and affecting the normal operation of the compressor assembly 100 .

[0056] Reference Figure 2 In some embodiments of the present invention, the second air outlet 62 is staggered with the first air outlet 12 in the circumferential direction and / or axial direction. In this way, after passing through the first air outlet 12, the airflow can first flow along the air outlet channel 61, and the airflow discharged from multiple first air outlets 12 can be collected through the air outlet channel 61 to avoid the situation where the airflow directly passes through the second air outlet 62 after passing through the first air outlet 12 when the second air outlet 62 is opposite to the first air outlet 12, thereby affecting the centralized processing of the airflow.

[0057] As can be seen from the above, there are many ways to set the cover, and it can be adjusted according to actual conditions; in the first embodiment, when the compressor assembly 100 adopts an active air intake method, a first cover 50 can be set; in the second embodiment, when the compressor assembly 100 adopts a passive air intake method, a second cover 60 can be set; in the third embodiment, the first cover 50 and the second cover 60 can be set in the compressor assembly 100.

[0058] According to the aforementioned third embodiment, referring to Figures 1 to 3 The compressor assembly 100 may include a first casing 50 and a second casing 60 .

[0059] Among them, the first cover shell 50 is connected to the shell body 10 and is covered on the outside of multiple first air inlets 11. An air inlet channel 51 is provided between the first cover shell 50 and the shell body 10, and the first cover shell 50 is provided with a second air inlet 52; therefore, through the setting of the first cover shell 50, the airflow can be evenly distributed to the multiple first air inlets 11, so that the airflow can pass evenly through the multiple air flow channels 42 in the air inlet cavity 13, so as to better cover the air inlet cavity 13 and improve the heat dissipation effect of the compressor assembly 100.

[0060] The second cover shell 60 is connected to the shell body 10 and covers the outside of the multiple first air outlets 12. An air outlet channel 61 is provided between the second cover shell 60 and the shell body 10, and the second cover shell 60 is provided with a second air outlet 62. Therefore, through the setting of the second cover shell 60, the airflow discharged from the multiple first air outlets 12 can be conveniently collected, and the collected airflow can be discharged through the second air outlet 62, which is convenient for centralized processing of the airflow.

[0061] In addition, the second air inlet 52 and the second air outlet 62 are distributed axially, which can facilitate the arrangement of the compressor assembly 100; in practice, the second air inlet 52 is connected to an air inlet duct, and the second air outlet 62 is connected to an air outlet duct. In order to facilitate the arrangement of the air inlet duct and the air outlet duct, the second air inlet 52 and the second air outlet 62 can be distributed axially, so that the second air inlet 52 and the second air outlet 62 can be located on the same side of the compressor assembly 100, so that the air inlet duct and the air outlet duct are arranged on the same side of the compressor assembly 100. In other words, the arrangement of the ducts can be facilitated and the space utilization rate can be improved.

[0062] Reference Figure 1 and Figure 2 In some embodiments of the present invention, the compressor assembly 100 may further include a first bearing assembly 70 and a second bearing assembly 80 .

[0063] Among them, the first bearing assembly 70 and the second bearing assembly 80 are distributed along the axial direction, and the stator assembly 20 is located between the first bearing assembly 70 and the second bearing assembly 80, wherein the air inlet chamber 13 is located between the first bearing assembly 70 and the stator assembly 20, and the air outlet chamber 14 is located between the second bearing assembly 80 and the stator assembly 20; in this way, the first bearing assembly 70, the second bearing assembly 80 and the stator assembly 20 can be cooled through the air inlet chamber 13 and the air outlet chamber 14, thereby improving the heat dissipation effect of the compressor assembly 100.

[0064] In the compressor assembly 100, the airflow can enter the air inlet cavity, at which time the airflow can perform air cooling on the first bearing assembly 70 and the stator assembly 20, and then the airflow can pass through the heat dissipation channel to dissipate heat on the stator assembly 20 and the rotor assembly 30, and then the airflow can enter the air outlet cavity, at which time the airflow can perform air cooling on the second bearing assembly 80 and the stator assembly 20; in short, by setting the air inlet cavity 13 between the first bearing assembly 70 and the stator assembly 20, and setting the air outlet cavity 14 between the second bearing assembly 80 and the stator assembly 20, the heat dissipation effect of the compressor assembly 100 can be improved.

[0065] Further, refer to Figures 1 to 3 In some embodiments of the utility model, the guide device 40 includes a heat sink 43 and a heat sink 41, the heat sink 43 is connected to the heat sink 41, and is arranged on at least one side of the heat sink 41 along the axial direction, wherein the air inlet chamber 13 is provided with a guide device 40, and the heat sink 43 of the guide device 40 is bonded to the first bearing assembly 70 and at least one of the stator assembly 20 through thermal conductive adhesive; and / or, the air outlet chamber 14 is provided with a guide device 40, and the heat sink 43 of the guide device 40 is bonded to the second bearing assembly 80 and at least one of the stator assembly 20 through thermal conductive adhesive; in this way, the installation strength of the heat sink 41 in the compressor assembly 100 can be improved by the heat sink 43, thereby improving the working stability of the compressor assembly 100, and the heat sink 43 is bonded by thermal conductive adhesive to further improve the heat dissipation effect of the compressor assembly 100.

[0066] According to the foregoing, optionally, the air guide device 40 includes a first heat sink 43 and a first heat sink 41 arranged in the air inlet chamber 13, and the first heat sink 41 is respectively connected to the first heat sink 43 on both sides along the axial direction. The first heat sink 43 on one side of the first heat sink 41 can be bonded to the first bearing assembly 70 by thermal conductive adhesive, and the first heat sink 43 on the other side of the second heat sink 41 can be bonded to the stator assembly 20 by thermal conductive adhesive. In this way, the installation strength of the air guide device 40 in the air inlet chamber 13 can be improved, the working stability of the compressor assembly 100 can be improved, and the heat sink 43 can better export the heat in the stator assembly 20 and the first bearing assembly 70 by bonding with thermal conductive adhesive, thereby further improving the heat dissipation effect of the compressor assembly 100.

[0067] According to the foregoing, optionally, the air guide device 40 includes a second heat sink 43 and a second heat sink fin 41 arranged in the air outlet chamber 14, and the second heat sink 41 is respectively connected to the second heat sink 43 on both sides along the axial direction. The second heat sink 43 on one side of the second heat sink fin 41 can be bonded to the second bearing assembly 80 by thermal conductive adhesive, and the second heat sink 43 on the other side of the second heat sink fin 41 can be bonded to the stator assembly 20 by thermal conductive adhesive. In this way, the installation strength of the air guide device 40 in the air outlet chamber 14 can be improved, the working stability of the compressor assembly 100 can be improved, and the heat sink 43 can better export the heat in the stator assembly 20 and the second bearing assembly 80 by bonding with thermal conductive adhesive, thereby further improving the heat dissipation effect of the compressor assembly 100.

[0068] In addition, in some specific examples, the heat sink 43 and the first bearing assembly 70 may be connected by fasteners such as bolts, and the heat sink 43 and the second bearing assembly 80 may also be connected by fasteners such as bolts.

[0069] According to the air compressor in the embodiment of the utility model, the air compressor includes the compressor assembly 100 in the above embodiment. By applying the above compressor assembly 100, the air compressor has good heat dissipation performance and improves the working stability of the air compressor.

[0070] Specifically, in the compressor assembly 100, a guide device 40 is respectively provided in the air inlet chamber 13 and the air outlet chamber 14, and the guide device 40 includes a plurality of heat dissipation fins 41, and the plurality of heat dissipation fins 41 are distributed along the circumferential direction, so that when the airflow passes through the air inlet chamber 13, the airflow can flow evenly in the air inlet chamber 13 to better cover the air inlet chamber 13, thereby improving the heat dissipation effect of the compressor assembly 100; when the airflow passes through the air outlet chamber 14, the airflow can flow evenly in the air outlet chamber 14 to better cover the air outlet chamber 14, thereby improving the heat dissipation effect of the compressor assembly 100.

[0071] Furthermore, multiple heat dissipation fins 41 extend radially, and the spacing between adjacent heat dissipation fins 41 gradually decreases in the direction from the radial outside to the radial inside. In this way, the airflow in the air inlet cavity 13 can be guided to concentrate on the heat dissipation channel, which is convenient for dissipating the stator assembly 20 and the rotor assembly 30. The airflow in the air outlet cavity 14 can be guided to diverge around the heat dissipation channel, which is convenient for the airflow to better cover the air outlet cavity 14 and improve the heat dissipation effect.

[0072] Furthermore, a plurality of first air inlets 11 are provided on the outside of the air inlet cavity 13, and the plurality of first air inlets 11 are distributed along the circumferential direction, so that airflow can enter the air inlet cavity 13 from multiple directions, so that airflow can better cover the air inlet cavity 13, and improve the heat dissipation effect of the compressor assembly 100. In addition, a plurality of first air outlets 12 are provided on the outside of the air outlet cavity 14, and the plurality of first air outlets 12 are distributed along the circumferential direction, so that airflow can leave the air outlet cavity 14 from multiple directions, so that airflow can better cover the air outlet cavity 14, and improve the heat dissipation effect of the compressor assembly 100.

[0073] Furthermore, the shell 10 is connected to a first cover shell 50 and a second cover shell 60. As mentioned above, the first cover shell 50 can evenly distribute the airflow to multiple first air inlets, so that the airflow can evenly pass through the air inlet cavity 13, which is convenient for the airflow to better cover the air inlet cavity 13, thereby improving the heat dissipation effect of the compressor assembly 100; the second cover shell 60 can collect the airflow discharged from multiple first air outlets 12, and the collected airflow can be discharged through the second air outlet 62, so as to facilitate the centralized processing of the discharged airflow.

[0074] Furthermore, the first air inlet 11 and the second air inlet 52 are staggered in the circumferential and / or axial directions to prevent the airflow from directly entering the air inlet cavity 13, resulting in the airflow failing to cover the air inlet cavity 13 well and affecting the heat dissipation effect; the first air outlet 12 and the second air outlet 62 are staggered in the circumferential and / or axial directions to prevent the airflow from directly being discharged from the air outlet cavity 14, resulting in the airflow failing to cover the air outlet cavity 14 well and affecting the heat dissipation effect.

[0075] In addition, the air inlet chamber 13 can be located between the first bearing assembly 70 and the stator assembly 20, and the air outlet chamber 14 can be located between the second bearing assembly 80 and the stator assembly 20, so that when the airflow passes through the compressor assembly 100, the first bearing assembly 70, the stator assembly 20 and the second bearing assembly 80 can be cooled and dissipated, thereby improving the heat dissipation effect of the compressor assembly 100.

[0076] In addition, the heat dissipation baffles are respectively connected to the two sides of the heat dissipation fins 41 in the axial direction; in the air inlet chamber 13, the heat dissipation baffles on both sides of the heat dissipation fins 41 can be respectively bonded to the first bearing assembly 70 and the stator assembly 20 by thermal conductive adhesive to improve the installation strength of the guide device 40, and the heat dissipation efficiency of the compressor assembly 100 can be further improved by the thermal conductive adhesive; in the air outlet chamber 14, the heat dissipation baffles on both sides of the heat dissipation fins 41 can be respectively bonded to the second bearing assembly 80 and the stator assembly 20 by thermal conductive adhesive to improve the installation strength of the guide device 40, and the heat dissipation efficiency of the compressor assembly 100 can be further improved by the thermal conductive adhesive.

[0077] In some specific examples of the present invention, the compressor assembly 100 includes: an air inlet channel 51, a heat sink 43 on one side of the first heat sink fin 41, the first heat sink fin 41, the heat sink 43 on the other side of the first heat sink fin 41, the heat sink 43 on one side of the second heat sink fin 41, the second heat sink fin 41, the heat sink 43 on the other side of the second heat sink fin 41, and an air outlet channel 61.

[0078] Among them, the heat dissipation baffle on one side of the first heat dissipation fin 41 and the heat dissipation baffle on the other side of the first heat dissipation fin 41 are connected together through the first heat dissipation fin 41, and are fixedly placed between the first bearing assembly 70 and the end of one end of the stator assembly 20, the heat dissipation baffle on one side of the first heat dissipation fin 41 can be connected to the first bearing assembly 70 by fastening means such as bolts, and thermal conductive glue can be applied in the middle, and the end of one end of the stator assembly 20 and the heat dissipation baffle on the other side of the first heat dissipation fin 41 can be fixedly connected by applying thermal conductive glue in the middle; the heat dissipation plate 43 on one side of the second heat dissipation fin 41 and the heat dissipation plate 43 on the other side of the second heat dissipation fin 41 are connected together through the second heat dissipation fin 41, and are fixedly placed between the first bearing assembly 70 and the end of one end of the stator assembly 20, the heat dissipation baffle on one side of the first heat dissipation fin 41 and the second bearing assembly 80 can be connected by fastening means such as bolts, and thermal conductive glue can be applied in the middle, and the end of the other end of the stator assembly 20 and the heat dissipation plate 43 on the other side of the second heat dissipation fin 41 can be fixedly connected by applying thermal conductive glue in the middle. The air inlet channel 51 and the air outlet channel 61 can be made of materials such as steel plates. The heat dissipation baffle on one side of the first heat dissipation fin 41, the first heat dissipation fin 41, the heat dissipation baffle on the other side of the first heat dissipation fin 41, the heat dissipation plate 43 on one side of the second heat dissipation fin 41, the second heat dissipation fin 41, and the heat dissipation plate 43 on the other side of the second heat dissipation fin 41 can be made of materials such as aluminum or copper. At this time, the insulation of the axial end of the stator assembly 20 can be achieved by using thermal conductive adhesive.

[0079] When in use, the cooling air flow output by the cooling fan passes through the first air inlet 11 on the housing 10 from the second air inlet 52, and then radially inwardly passes through the flow channel composed of the radially arranged first heat dissipation fins 41, the heat dissipation baffle on one side of the first heat dissipation fins 41, and the heat dissipation baffle on the other side of the first heat dissipation fins 41 (such as Figure 3 As shown), the air then flows axially through the gap between the stator assembly 20 and the rotor assembly 30, flows radially outward through a flow channel composed of a radially arranged second heat dissipation fin 41, a left baffle of the right side fin heat dissipation, and a heat dissipation baffle on the other side of the first heat dissipation fin 41, passes through the first air outlet 12 on the shell 10, passes through the air outlet channel 61, and finally flows out from the second air outlet 62.

[0080] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0081] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0082] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A compressor assembly, characterized in that: include: A housing (10), the housing (10) comprising a first air inlet (11), a first air outlet (12), an air inlet cavity (13) connected to the first air inlet (11), and an air outlet cavity (14) connected to the first air outlet (12); a stator assembly (20), the stator assembly (20) being disposed in the housing (10) and arranged between the air inlet cavity (13) and the air outlet cavity (14) along the axial direction of the compressor assembly; A rotor assembly (30), the rotor assembly (30) being sleeved and rotatably connected to the stator assembly (20), the stator assembly (20) and the rotor assembly (30) having a gap along the radial direction of the compressor assembly and forming a heat dissipation channel, the heat dissipation channel connecting the air inlet cavity (13) and the air outlet cavity (14), Wherein, at least one of the air inlet chamber (13) and the air outlet chamber (14) is provided with a flow guiding device (40) for guiding flow in the radial direction of the compressor assembly.

2. The compressor assembly according to claim 1, characterized in that The flow guide device (40) comprises a plurality of heat dissipation fins (41), and the plurality of heat dissipation fins (41) are distributed in a divergent shape along the circumference of the compressor assembly.

3. The compressor assembly according to claim 2, characterized in that The heat dissipation fins (41) extend in the radial direction, an air flow channel (42) is constructed between adjacent heat dissipation fins (41), and the spacing between adjacent fins gradually decreases in the direction from outside to inside along the radial direction.

4. The compressor assembly according to claim 1, characterized in that The first air inlet (11) is arranged on the outer side of the air inlet cavity (13) along the radial direction, and the first air inlet (11) includes a plurality of first air inlets (11), which are distributed along the circumference of the compressor assembly.

5. The compressor assembly according to claim 4, characterized in that The invention also comprises a first cover shell (50), wherein the first cover shell (50) is connected to the shell body (10) and covers the outer sides of the plurality of first air inlets (11); an air inlet passage (51) is provided between the first cover shell (50) and the shell body (10); the first cover shell (50) is provided with a second air inlet (52); and the air inlet passage (51) is respectively connected to the plurality of first air inlets (11) and the second air inlet (52).

6. The compressor assembly according to claim 5, characterized in that The second air inlet (52) is staggered with the first air inlet (11) in the circumferential direction and / or the axial direction.

7. The compressor assembly according to claim 1, characterized in that The first air outlet (12) is arranged on the outer side of the air outlet cavity (14) along the radial direction, and the first air outlet (12) comprises a plurality of first air outlets (12), which are distributed along the circumference of the compressor assembly.

8. The compressor assembly according to claim 5, characterized in that The invention also includes a second cover shell (60), wherein the second cover shell (60) is connected to the shell body (10) and covers the outside of the plurality of first air outlets (12); an air outlet channel (61) is provided between the second cover shell (60) and the shell body (10); the second cover shell (60) is provided with a second air outlet (62); and the air outlet channel (61) is respectively connected to the plurality of first air outlets (12) and the second air outlet (62).

9. The compressor assembly according to claim 8, characterized in that The second air outlet (62) is staggered with the first air outlet (12) in the circumferential direction and / or the axial direction.

10. The compressor assembly according to claim 1, characterized in that The compressor assembly comprises a first cover shell (50) and a second cover shell (60), wherein the first cover shell (50) is connected to the housing (10) and is arranged to cover the outer sides of the plurality of first air inlets (11), an air inlet passage (51) is provided between the first cover shell (50) and the housing (10), and the first cover shell (50) is provided with a second air inlet (52); the second cover shell (60) is connected to the housing (10) and is arranged to cover the outer sides of the plurality of first air outlets (12), an air outlet passage (61) is provided between the second cover shell (60) and the housing (10), and the second cover shell (60) is provided with a second air outlet (62); The second air inlet (52) and the second air outlet (62) are distributed along the axial direction.

11. The compressor assembly according to claim 1, characterized in that The invention also comprises a first bearing assembly (70) and a second bearing assembly (80), wherein the first bearing assembly (70) and the second bearing assembly (80) are distributed along the axial direction, and the stator assembly (20) is located between the first bearing assembly (70) and the second bearing assembly (80). Wherein, the air inlet chamber (13) is located between the first bearing assembly (70) and the stator assembly (20), and the air outlet chamber (14) is located between the second bearing assembly (80) and the stator assembly (20).

12. The compressor assembly according to claim 11, characterized in that The flow guide device (40) comprises a heat sink (43) and a heat sink fin (41); the heat sink (43) is connected to the heat sink fin (41) and is arranged on at least one side of the heat sink fin (41) along the axial direction. The air inlet chamber (13) is provided with the guide device (40), and the heat sink (43) of the guide device (40) is bonded to at least one of the first bearing assembly (70) and the stator assembly (20) by means of thermal conductive adhesive; and / or the air outlet chamber (14) is provided with the guide device (40), and the heat sink (43) of the guide device (40) is bonded to at least one of the second bearing assembly (80) and the stator assembly (20) by means of thermal conductive adhesive.

13. An air compressor, characterized in that: A compressor assembly comprising the compressor assembly of any one of claims 1-12.

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