Fan light

Abstract

The present disclosure discloses a fan lamp, belonging to the fan field. The fan lamp comprises a shell, an impeller and a filter cartridge. The shell has opposite shell upper cover and shell lower cover, the shell upper cover has a first air inlet, the outer edge of the shell upper cover and the outer edge of the shell lower cover have a first air outlet, the impeller is rotatably located in the shell, the filter cartridge is located outside the shell, and one end is connected with the first air inlet. The fan lamp further comprises a dust collection assembly, which comprises at least one of a dust falling bin and a cover. When the dust collection assembly comprises the cover, the cover is covered outside the filter cartridge, one end of the cover is connected between the shell upper cover, and a plurality of first through holes are arranged on the cover. When the dust collection assembly comprises the dust falling bin, the dust falling bin extends along the outer circumferential wall of the filter cartridge and is connected with the shell upper cover, and the bin opening of the dust falling bin faces the filter cartridge. The present disclosure can filter dust in the air.

Description

[0001] This disclosure claims priority to Chinese Patent Application No. 202210886300.9, filed on July 26, 2022, entitled “Fan Light”, the entire contents of which are incorporated herein by reference. Technical Field

[0002] This disclosure pertains to the field of fans, and particularly relates to a fan light. Background Technology

[0003] A fan light is a product that combines a fan and a light fixture, providing both airflow and illumination.

[0004] In related technologies, fan lights mainly include a fan body, fan blades, and a lighting assembly. The fan blades are connected to the fan body and are arranged at intervals along the circumference of the fan body. The lighting assembly is connected to the end of the fan body.

[0005] However, because the fan blades are exposed, dust in the air can easily fall onto them and be blown towards people along with the airflow generated by the fan. Summary of the Invention

[0006] This disclosure provides a fan light capable of filtering dust from the air. The technical solution is as follows:

[0007] On one hand, embodiments of this disclosure provide a fan light, including: a housing, an impeller, and a filter cartridge;

[0008] The housing has an upper cover and a lower cover, the upper cover has a first air inlet, and the outer edge of the upper cover and the outer edge of the lower cover have a first air outlet. The impeller is rotatably located inside the housing, and the filter cartridge is located outside the housing, with one end connected to the first air inlet.

[0009] The fan light also includes a dust collection assembly, which includes at least one of a dust collection bin and a housing;

[0010] When the dust collection assembly includes the cover, the cover is installed outside the filter cartridge, one end of the cover is connected to the housing cover, and the cover is provided with a plurality of first through holes;

[0011] When the dust collection assembly includes the dust collection bin, the dust collection bin extends circumferentially along the outer peripheral wall of the filter cartridge and is connected to the upper cover of the housing, and the opening of the dust collection bin faces the filter cartridge.

[0012] In one implementation of this disclosure, the housing is located between the filter cartridge and the dust collection chamber, with the filter cartridge located inside the housing and the dust collection chamber located outside the housing.

[0013] In one implementation of this disclosure, the distance between the cover and the filter cartridge gradually increases in the direction in which the cover extends away from the housing cover.

[0014] In one implementation of this disclosure, the distance between the cover and the filter cartridge is logarithmically related to the airflow velocity at the cover.

[0015] In one implementation of this disclosure, the distance between the cover and the filter cartridge satisfies the following relationship:

[0016] y = m - ln[k1·(v max -v i ) / (v max -v min )+k2]

[0017] Where y is the distance between the cover and the filter cartridge, v max v is the maximum velocity of the airflow. min v is the minimum velocity of the airflow. i Let be the airflow velocity at position i, where m, k1, and k2 are constants.

[0018] In one implementation of this disclosure, the distance between the cover and the filter cartridge and the height of the cover are logarithmically related.

[0019] In one implementation of this disclosure, the distance between the cover and the filter cartridge satisfies the following relationship:

[0020]

[0021] Where y is the distance between the cover and the filter cartridge, h is the height of the cover, and r k h0 is a constant.

[0022] In one implementation of this disclosure, one side of the housing cover has a slot, and the cover is inserted into the slot;

[0023] Alternatively, the housing cover and the casing may have multiple connecting arms, which are respectively connected to the housing cover and the casing.

[0024] In one implementation of this disclosure, the housing is provided with a plurality of the first through holes;

[0025] The first through holes in the same group extend along the axial direction of the cover, and the first through holes in each group are arranged at intervals along the circumference of the cover.

[0026] In one implementation of this disclosure, a plurality of support members are provided between the cover and the filter cartridge;

[0027] The plurality of the support members are arranged at intervals along the circumference of the housing.

[0028] In one implementation of this disclosure, the dimension of the support member perpendicular to the axial direction of the housing gradually increases in the direction away from the housing cover.

[0029] In one implementation of this disclosure, the support member is a support rib extending along the axial direction of the cover.

[0030] The support member is integrally formed with the cover or the filter cartridge, and the radial thickness of the support member satisfies the following relationship:

[0031]

[0032] Where t is the radial thickness of the support member, h is the height of the cover, and r k h0 is a constant.

[0033] In one implementation of this disclosure, the upper cover of the housing gradually bulges outward from the lower cover of the housing in the direction from the outer edge of the upper cover to the first air inlet;

[0034] The dust collection chamber is located between the outer edges of the filter cartridge and the housing cover, and the dust collection chamber is close to the filter cartridge.

[0035] In one implementation of this disclosure, the dust collection bin includes a dust-blocking section and a connecting section;

[0036] The dust-blocking section is spaced apart from the housing cover. One side of the connecting section is connected to one side of the dust-blocking section, and the other side of the connecting section is bent toward the housing cover to connect with the housing cover.

[0037] In one implementation of this disclosure, the lower cover of the housing has a plurality of second through holes, the second through holes being close to the first air outlet;

[0038] The fan light also includes a dust collection box, which is connected to the side of the lower cover of the housing away from the upper cover of the housing, and the opening of the dust collection box is opposite to the second through hole.

[0039] In one implementation of this disclosure, a plurality of second through holes are arranged circumferentially along the impeller;

[0040] The dust collection box extends circumferentially along the impeller.

[0041] In one implementation of this disclosure, the dust collection box has a baffle.

[0042] The baffle has multiple third through holes, which are opposite to the opening of the dust collection box.

[0043] The beneficial effects of the technical solutions provided in this disclosure include at least the following:

[0044] The impeller is rotatably located inside the casing. Its rotation drives air to enter the casing through the first air inlet and exit through the first air outlet, thus creating an airflow. Furthermore, because the impeller is located inside the casing, dust in the air does not easily accumulate on it. Additionally, since the first air inlet has a filter cartridge, the air flowing into the inlet is filtered, isolating dust on the outer wall of the cartridge and preventing it from being blown towards personnel along with the airflow.

[0045] When the dust collection assembly includes a housing, since the housing covers the filter cartridge, the air first flows through the first through-hole on the housing before colliding with the filter cartridge. This reduces the airflow velocity, thereby decreasing the impact speed of dust on the filter cartridge and preventing dust from bouncing back into the air after impacting the cartridge.

[0046] When the dust collection assembly includes a dust collection bin, since the dust collection bin extends circumferentially along the outer peripheral wall of the filter cartridge, the dust isolated on the outer wall of the filter cartridge will fall along the outer peripheral wall of the filter cartridge into the opening of the dust collection bin under the action of gravity, and thus be collected by the dust collection bin.

[0047] In other words, the fan light has the effect of purifying dust in the air. Attached Figure Description

[0048] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0049] Figure 1 This is a schematic diagram of the structure of the fan light provided in the embodiment of this disclosure;

[0050] Figure 2 This is a cross-sectional view of the fan light provided in an embodiment of this disclosure;

[0051] Figure 3 This is a cross-sectional view of the fan light provided in an embodiment of this disclosure;

[0052] Figure 4 This is provided by the embodiments of this disclosure. Figure 2 A magnified view of part A;

[0053] Figure 5This is a schematic diagram of the assembly between the filter cartridge and the housing provided in the embodiments of this disclosure;

[0054] Figure 6 This is provided by the embodiments of this disclosure. Figure 2 A magnified view of part B;

[0055] Figure 7 This is a schematic diagram of the impeller structure provided in an embodiment of this disclosure;

[0056] Figure 8 This is a cross-sectional view of the impeller provided in an embodiment of this disclosure;

[0057] Figure 9 This is a partially enlarged view of the impeller provided in an embodiment of this disclosure;

[0058] Figure 10 This is the coordinate system corresponding to the leaf height order and leaf height value provided in the embodiments of this disclosure.

[0059] The symbols in the diagram represent the following meanings:

[0060] 10. Shell;

[0061] 110. Upper cover of housing; 120. Lower cover of housing; 130. First air inlet; 140. First air outlet; 150. Second through hole;

[0062] 20. Impeller;

[0063] 210. Impeller top cover; 211. Second air inlet; 220. Impeller bottom cover; 221. Second air outlet; 222. Airflow channel; 230. Blade assembly;

[0064] 30. Filter cartridge;

[0065] 40. Dust collection bin;

[0066] 410. Storage opening; 420. Dust-proof section; 430. Connecting section;

[0067] 50. Cover;

[0068] 510, First through hole; 520, Connecting arm; 530, Support component;

[0069] 60. Dust collection box;

[0070] 610. Baffle; 620. Third through hole;

[0071] 70. Dust collection components. Detailed Implementation

[0072] To make the objectives, technical solutions, and advantages of this disclosure clearer, the embodiments of this disclosure will be described in further detail below with reference to the accompanying drawings.

[0073] A fan light is a product that combines a fan and a light fixture, providing both airflow and illumination.

[0074] In related technologies, fan lights mainly include a fan body, fan blades, and a lighting assembly. The fan blades are connected to the fan body and are arranged at intervals along the circumference of the fan body. The lighting assembly is connected to the end of the fan body.

[0075] However, because the fan blades are exposed, dust in the air can easily fall onto them and be blown towards people along with the airflow generated by the fan.

[0076] To address the aforementioned technical problems, this disclosure provides a fan light. Figure 1 See the schematic diagram of the fan light structure. Figure 1 In this embodiment, the fan light includes a housing 10, an impeller 20, and a filter cartridge 30.

[0077] Figure 2 This is a sectional view of a fan light, combined with... Figure 2 In this embodiment, the housing 10 has an upper housing cover 110 and a lower housing cover 120. The upper housing cover 110 has a first air inlet 130. A first air outlet 140 is located between the outer edges of the upper housing cover 110 and the outer edges of the lower housing cover 120. The impeller 20 is rotatably located inside the housing 10. The filter cartridge 30 is located outside the housing 10, and one end is connected to the first air inlet 130.

[0078] The impeller 20 is rotatably located inside the housing 10. The rotation of the impeller 20 drives air to enter the housing 10 through the first air inlet 130 and exit the housing 10 through the first air outlet 140, thus forming an airflow. Furthermore, because the impeller 20 is located inside the housing 10, dust in the air does not easily accumulate on the impeller 20. Additionally, since the first air inlet 130 has a filter cartridge 30, the air flowing into the first air inlet 130 can be filtered, isolating dust on the outer wall of the filter cartridge 30 and preventing dust from being blown towards personnel along with the airflow.

[0079] In this embodiment, the fan light also includes a dust collection assembly 70, which includes at least one of a dust collection bin 40 and a housing 50. For example, the dust collection assembly 70 may only include the dust collection bin 40 and not the housing 50, or the dust collection assembly 70 may only include the housing 50 and not the dust collection bin 40, or it may include both the dust collection bin 40 and the housing 50. Figure 2As shown. It is easy to understand that even if the dust collection assembly 70 only includes one of the dust collection bin 40 and the housing 50, the fan light can solve the above-mentioned technical problems. If the dust collection assembly 70 includes both the dust collection bin 40 and the housing 50, then it has the beneficial effects of both the dust collection bin 40 and the housing 50.

[0080] It should be noted that, in order to demonstrate the distance between the filter cartridge 30 and the housing 50, Figure 2 The filter cartridge 30 is schematically shown as a cylindrical structural component, but this is not a limitation on the shape of the filter cartridge 30. For example, the filter cartridge 30 can also be used for... Figure 3 The shape shown is illustrated. To better demonstrate the filter cartridge 30, the following will all use the shape shown. Figure 2 Let's take an example to illustrate this.

[0081] When the dust collection assembly 70 includes a cover 50, the cover 50 covers the filter cartridge 30, one end of the cover 50 is connected to the housing cover 110, and a plurality of first through holes 510 are arranged on the cover 50.

[0082] When the dust collection assembly 70 includes the housing 50, since the housing 50 covers the filter cartridge 30, the air will first flow through the first through hole 510 on the housing 50 and then collide with the filter cartridge 30. In this way, the airflow velocity can be reduced, thereby reducing the impact velocity of dust on the filter cartridge 30 and preventing dust from rebounding into the air after impacting the filter cartridge 30.

[0083] When the dust collection assembly 70 includes a dust collection bin 40, the dust collection bin 40 extends circumferentially along the outer peripheral wall of the filter cartridge 30 and is connected to the housing cover 110, the opening 410 of the dust collection bin 40 faces the filter cartridge 30.

[0084] When the dust collection assembly 70 includes the dust collection bin 40, since the dust collection bin 40 extends circumferentially along the outer peripheral wall of the filter cartridge 30, the dust isolated on the outer wall of the filter cartridge 30 will fall along the outer peripheral wall of the filter cartridge 30 into the bin opening 410 of the dust collection bin 40 under the action of gravity, and thus be collected by the dust collection bin 40.

[0085] In other words, dust in the air can be filtered by the filter cartridge 30 and fall into the dust collection chamber 40 under its own gravity, thus enabling the fan light to purify the dust in the air.

[0086] It should be noted that during the operation of the fan light, dust will be adsorbed on the outer peripheral wall of the filter cartridge 30 due to the airflow. When the fan light stops, the dust can fall into the dust collection bin 40 through the outer peripheral wall of the filter cartridge 30 under the action of gravity, and thus be collected by the dust collection bin 40.

[0087] The following section will take a fan light, which includes both the dust collection chamber 40 and the housing 50, as an example to further introduce the fan light.

[0088] See also Figure 2 In this embodiment, in the direction from the outer edge of the housing cover 110 to the first air inlet 130, the housing cover 110 gradually protrudes away from the housing cover 120, and the dust collection chamber 40 is located between the filter cartridge 30 and the outer edge of the housing cover 110, and the dust collection chamber 40 is close to the filter cartridge 30.

[0089] In the above implementation, the first air inlet 130 is located in the middle of the housing cover 110, which is the highest point of the housing cover 110. Since the filter cartridge 30 is connected to the first air inlet 130, the filter cartridge 30 is also located at the highest point of the housing cover 110.

[0090] By arranging the positions of the filter cartridge 30 and the dust collection chamber 40 in this way, when dust falls from the filter cartridge 30, it can fall to the highest point of the housing cover 110, and then, under the action of gravity, it can further fall into the dust collection chamber 40 through the opening 410, thereby effectively preventing dust from accumulating at the connection between the filter cartridge 30 and the housing cover 110.

[0091] For example, the first air inlet 130 and the outer edge of the housing cover 110 are connected by a curved surface. In other embodiments, the first air inlet 130 and the outer edge of the housing cover 110 may also be connected by an inclined surface, and this disclosure does not limit this.

[0092] As mentioned above, the filter cartridge 30 and the dust collection bin 40 are key components for the fan light to purify dust in the air. The filter cartridge 30 and the dust collection bin 40 will be introduced below.

[0093] Figure 4 for Figure 2 A magnified view of part A, combined with Figure 4 In this embodiment, the dust collection chamber 40 includes a dust-blocking section 420 and a connecting section 430. The dust-blocking section 420 is spaced apart from the housing cover 110. One side of the connecting section 430 is connected to one side of the dust-blocking section 420, and the other side of the connecting section 430 is bent toward the housing cover 110 to connect with the housing cover 110.

[0094] In the above implementation, the dust-blocking section 420 and the connecting section 430 together constitute the dust collection chamber 40. The dust-blocking section 420 is used to block the dust entering the dust collection chamber 40 and prevent the dust from floating out of the dust collection chamber 40. The connecting section 430 can not only connect the dust-blocking section 420 and the housing cover 110, but also play the role of blocking the dust.

[0095] For example, the dust-blocking section 420 and the connecting section 430 are integral structural components, which not only improves the structural strength of the dust collection bin 40, but also facilitates the manufacturing of the dust collection bin 40.

[0096] For example, the dust-blocking section 420 and the connecting section 430 are connected by an arc-shaped transition, thereby preventing dust from accumulating at the angle between the dust-blocking section 420 and the connecting section 430, which would make the dust difficult to remove.

[0097] In this embodiment, both the dust-blocking section 420 and the connecting section 430 are annular structural components, which allows the dust collection chamber 40 to extend around the outer peripheral wall of the filter cartridge 30, thereby comprehensively collecting the dust falling from the filter cartridge 30 and preventing the dust from falling back into the outside air and causing secondary pollution.

[0098] During the operation of the fan light, dust particles move at high speed with the airflow and collide with the outer wall of the filter cartridge 30. This can cause the dust to bounce back into the air, resulting in secondary pollution. To avoid this problem, please refer to [link / reference needed]. Figure 2 In this embodiment, the cover 50 is located between the filter cartridge 30 and the dust collection bin 40, with the filter cartridge 30 located inside the cover 50 and the dust collection bin 40 located outside the cover 50.

[0099] For example, the number of first through holes 510 arranged on the cover 50 should be as large as possible to avoid excessive obstruction of airflow by the cover 50. Furthermore, the first through holes 510 should be evenly distributed on the cover 50 to avoid affecting the uniform flow of air. Of course, the structural strength of the cover 50 must also be considered when arranging the first through holes 510.

[0100] In some examples, the cover 50 is provided with multiple sets of first through holes 510, the first through holes 510 in the same set extend along the axial direction of the cover 50, and the sets of first through holes 510 are arranged at intervals along the circumference of the cover 50.

[0101] In the above implementation, arranging the first through holes 510 in groups ensures that the first through holes 510 are evenly distributed on the cover 50, which helps to improve the uniformity of airflow and avoids the cover 50 from excessively affecting airflow.

[0102] In other examples, the first through holes of the same group extend circumferentially along the housing 50, and the first through holes 510 of each group are spaced apart axially along the housing 50.

[0103] In some examples, one side of the housing cover 110 has a slot into which the cover 50 is inserted.

[0104] In the above implementation, the slot is an annular groove that extends circumferentially along the housing cover 110 and matches the end of the cover 50. The end of the cover 50 is inserted into the slot, thereby realizing the mutual assembly between the cover 50 and the housing cover 110.

[0105] Since the housing 50 is located between the filter cartridge 30 and the dust collection bin 40, in some examples, to prevent the housing 50 from interfering with the dust falling from the filter cartridge 30 to the dust collection bin 40, multiple connecting arms are provided between the housing cover 110 and the housing 50. These connecting arms are respectively connected to the housing cover 110 and the housing 50. This design allows dust falling from the filter cartridge 30 to fall into the dust collection bin 40 through the gaps between the connecting arms, without the housing 50 affecting the dust falling into the dust collection bin 40.

[0106] See also Figure 2 In this embodiment, the distance between the cover 50 and the filter cartridge 30 gradually increases in the direction in which the cover 50 extends away from the housing cover 110.

[0107] In the above implementation, the air velocity between the housing 50 and the filter cartridge 30 is negatively correlated with the distance between the housing 50 and the filter cartridge 30. That is, the larger the distance between the housing 50 and the filter cartridge 30, the smaller the air velocity between the housing 50 and the filter cartridge 30, and the smaller the distance between the housing 50 and the filter cartridge 30, the larger the air velocity between the housing 50 and the filter cartridge 30.

[0108] Based on the above principles, the airflow velocity at the upper part of the casing 50 is relatively low, allowing dust to flow through the casing 50 more easily with the air and adhere to the filter cartridge 30. Although the airflow velocity at the lower part of the casing 50 is higher than that at the upper part, the smaller distance between the lower part of the casing 50 and the filter cartridge 30 results in a smaller acceleration space for the dust, thus preventing the dust from traveling at a very high speed. Furthermore, the vortex at the first through-hole 510 causes the dust to lose some of its normal velocity, making it easier for it to adhere to the filter cartridge 30.

[0109] In this embodiment, the distance between the cover 50 and the filter cartridge 30 and the airflow velocity at the cover 50 are logarithmically related.

[0110] For example, the distance between the housing 50 and the filter cartridge 30 satisfies the following relationship:

[0111] y = m - ln[k1·(v max -v i ) / (v max -v min )+k2] (1)

[0112] Where y is the distance between the cover 50 and the filter cartridge 30, and v maxv is the maximum velocity of the airflow. min v is the minimum velocity of the airflow. i Let be the airflow velocity at position i, where m, k1, and k2 are constants.

[0113] The distance between the cover 50 and the filter cartridge 30 is designed by using the relation (1), so that the cover 50 has an annular hyperbolic air intake, which effectively improves the air intake efficiency at the cover 50.

[0114] In this embodiment, the distance between the cover 50 and the filter cartridge 30 and the height of the cover 50 are logarithmically related.

[0115] For example, the distance between the housing 50 and the filter cartridge 30 satisfies the following relationship:

[0116]

[0117] Where y is the distance between the cover 50 and the filter cartridge 30, h is the height of the cover 50, and r is the height of the filter cartridge 30. k h0 is a constant.

[0118] The distance between the cover 50 and the filter cartridge 30 is designed by using the relation (2), so that the cover 50 has an annular hyperbolic air intake, which effectively improves the air intake efficiency at the cover 50.

[0119] Of course, in other embodiments, the distance between the cover 50 and the filter cartridge 30 can also increase linearly in the direction in which the cover 50 extends away from the housing cover 110. This design can effectively reduce the manufacturing difficulty of the cover 50, thereby reducing manufacturing costs.

[0120] Figure 5 This is a schematic diagram showing the assembly between the filter cartridge 30 and the housing 50. Figure 5 The first through hole 510 is omitted in the text, combined with Figure 5 and Figure 3 In this embodiment, there are multiple support members 530 between the cover 50 and the filter cartridge 30, and the multiple support members 530 are arranged at intervals along the circumference of the cover 50.

[0121] In the above implementation, the support member 530 is placed between the cover 50 and the filter cartridge 30, which can not only support the cover 50 and the filter cartridge 30 respectively, but also limit the relative position between the cover 50 and the filter cartridge 30.

[0122] In some examples, the support 530 can be in the form of a support arm, that is, the length direction of the support 530 is perpendicular to the axial direction of the cover 50, one end of the support 530 in the length direction contacts the inner wall of the cover 50, and the other end of the support 530 in the length direction contacts the filter cartridge 30.

[0123] In other examples, the support 530 may also be in the form of a support block or a support rib (see [reference]). Figure 5 )wait.

[0124] For example, the dimension of the support 530 in the direction perpendicular to the axial direction of the housing 50 gradually increases in the direction away from the housing cover 110.

[0125] The size of the support 530 is designed in this way so that it can be adapted to the gap between the cover 50 and the filter cartridge 30, thereby providing better support and limiting.

[0126] For example, the support member 530 is a support rib extending axially along the housing 50;

[0127] The support member 530 is integrally formed with the cover 50 or the filter cartridge 30, and the radial thickness of the support member 530 satisfies the following relationship:

[0128]

[0129] Where t is the radial thickness of the support member 530, h is the height of the cover 50, and r k h0 is a constant.

[0130] The radial thickness of the support 530 can be designed using the relation (3) to ensure the fit between the support 530 and the housing 50 and the filter cartridge 30.

[0131] During the operation of the fan light, it is inevitable that a very small amount of dust with a very small diameter will pass through the filter cartridge 30 and enter the housing 10 along with the air. In order to purify this part of the dust, in this embodiment, Figure 6 for Figure 2 A magnified view of part B, combined with Figure 6 The lower cover 120 of the housing has a plurality of second through holes 150, which are close to the first air outlet 140. The fan light also includes a dust collection box 60, which is connected to the side of the lower cover 120 away from the upper cover 110 of the housing. The opening of the dust collection box 60 is opposite to the second through holes 150.

[0132] In the above implementation, when dust flows with the air to the first air outlet 140, the dust can enter the dust collection box 60 through the second through hole 150, so that the dust is collected before it flows out of the first air outlet 140, thus preventing the dust from flowing out of the first air outlet 140 with the air.

[0133] For example, the dust collection box 60 has an electrostatic generator inside, which attracts dust from the air, thereby making it easier for the dust collection box 60 to collect dust. Of course, in other embodiments, the dust collection box 60 may also have an electrostatic cloth or the like, which can also attract dust from the air.

[0134] In this embodiment, multiple second through holes 150 are arranged circumferentially along the impeller 20, and the dust collection box 60 extends circumferentially along the impeller 20. This design allows the dust collection box 60 to extend around the first air outlet 140, thereby comprehensively collecting the dust that is about to flow through the first air outlet 140, preventing the dust from falling back into the outside air and causing secondary pollution.

[0135] For example, the second through holes 150 arranged on the lower cover 120 of the housing should be as numerous as possible and evenly distributed, so as to facilitate the entry of dust into the dust collection box 60 through the second through holes 150.

[0136] For example, the dust collection box 60 has a baffle 610 inside, the baffle 610 having a plurality of third through holes 620, the third through holes 620 being opposite to the opening of the dust collection box 60.

[0137] In the above implementation, the baffle 610 is located in the middle of the dust collection box 60, and the outer edge of the baffle 610 is connected to the inner wall of the dust collection box 60. Dust can fall into the bottom of the dust collection box 60 through the multiple third through holes 620 on the baffle 610, and is prevented from floating out of the dust collection box 60 again under the protection of the baffle 610.

[0138] The impeller 20 is described below.

[0139] In this embodiment, the housing 10 and the impeller 20 are detachably connected, and the housing 10 and the filter cartridge 30 are also detachably connected.

[0140] In this way, after the fan light has been operating for a period of time, the housing 10 can be disassembled separately, making it convenient to clean the dust collection chamber 40 on the housing 10. At the same time, it also makes it convenient to clean the dust collection box 60 inside the housing 10. This effectively prevents dust from accumulating in the dust collection chamber 40 and the dust collection box 60.

[0141] Figure 7 This is a schematic diagram of the impeller structure, combined with... Figure 7 In this embodiment, the impeller 20 includes an upper impeller cover 210, a lower impeller cover 220, and a blade assembly 230.

[0142] Figure 8 This is a sectional view of the impeller, combined with... Figure 8The impeller upper cover 210 has a second air inlet 211 in its middle, which communicates with the first air inlet. The impeller lower cover 220 is arranged at a distance from the impeller upper cover 210 to form a second air outlet 221 at the outer edges of both the upper and lower covers. The second air outlet 221 communicates with the first air outlet. An airflow channel 222 is provided between the impeller lower cover 220 and the impeller upper cover 210, communicating with both the second air inlet 211 and the second air outlet 221. The blade assembly 230 is located within the airflow channel 222 and arranged circumferentially. From the second air inlet 211 to the second air outlet 221, the blade height of the impeller 20 gradually decreases (see...). Figure 9 ).

[0143] It is worth noting that the airflow channel 222 has multiple virtual equidistant points O. For the same equidistant point O, its shortest distance to the impeller upper cover 210 is equal to its shortest distance to the impeller lower cover 220. These multiple equidistant points O can form a virtual equidistant line L. The line connecting any point on the equidistant line L to the impeller upper cover 210 intersects with the impeller upper cover 210. The line connecting this point to the impeller lower cover 220 also intersects with the impeller lower cover 220. The line connecting these two intersection points is the blade height li.

[0144] The impeller upper cover 210 and impeller lower cover 220 provide housing space and mounting base for the blade assembly 230. During operation, the impeller 20 rotates. As the impeller rotates, gas enters the airflow channel 222 through the second air inlet 211 and, under the action of the blade assembly 230, passes through the airflow channel 222, finally exiting through the second air outlet 221, thus achieving gas flow. When the gas flows radially within the blade assembly 230, it flows along the direction from the second air inlet 211 to the second air outlet 221. In this direction, the blade height of the impeller 20 gradually decreases, resulting in smoother gas flow and effectively suppressing the generation of additional eddies, thereby improving the working efficiency of the impeller 20.

[0145] In other words, by designing the blade height variation of the impeller 20, the radial flow of gas within the blade assembly 230 can be made smoother, thereby effectively suppressing the generation of additional vortices and improving the working efficiency of the impeller 20.

[0146] See also Figure 8 In this embodiment, the magnitude of the decrease in blade height of impeller 20 gradually decreases.

[0147] In the above implementation, the blade height of the impeller 20 gradually decreases, thereby guiding the airflow to flow smoothly from the second air inlet 211 to the second air outlet 221, effectively avoiding the generation of additional vortices.

[0148] In this embodiment, the blade height of the impeller 20 ranges from 50mm to 83mm.

[0149] In the above implementation, the blade height of the impeller 20 is designed to be within the above range, which can effectively ensure the smooth guidance of gas by the airflow channel 222.

[0150] During the design process, the equidistant lines were fitted based on the radius of the impeller 20, resulting in the relationship between multiple blade heights and radii, as shown in Table 1.

[0151] Table 1

[0152] 116 5 133.7 125 6 108 134 7 91.3 143 8 79.1 152 9 68.5 161 10 61.6 170 11 56.27 179 12 51.97 188 13 48.47 197 14 45.6 206 15 43.5

[0153] In Table 1, ri represents the radius of impeller 20, r represents the order of blade height, and li represents the numerical value of blade height. The blade height gradually increases from the second air inlet 211 to the second air outlet 221. For example, the 8th blade height has a value of 79.1 mm, corresponding to an impeller 20 radius of 143 mm. Since this table is a fitted table, its value range is larger than that of actual products. The impeller 20 provided in this embodiment corresponds to blade heights between the 7th and 13th blade heights in Table 1.

[0154] Figure 10 This is a coordinate system corresponding to the leaf height order and leaf height values, constructed from the values ​​in Table 1. (See also...) Figure 10 It can be seen that the blade height of impeller 20 gradually decreases at a certain rate.

[0155] In this embodiment, the ratio between the inner diameter d of the second air inlet 211 and the outer diameter D of the impeller 20 is 0.58 to 0.66.

[0156] This design ensures that the fan light has sufficient air pressure and air volume to achieve air output, avoiding both excessive internal flow causing significant backflow that affects performance and insufficient internal flow that reduces overall air delivery performance.

[0157] In this embodiment, the angle between the air inlet direction and the air outlet direction is θ, where 65° < θ < 120°.

[0158] This design avoids both excessively large angles between the air inlet and outlet directions, which would cause airflow to disperse and make it difficult to deliver air far, and excessively small angles between the air inlet and outlet directions, which would cause airflow backflow and affect the overall air delivery performance of the unit.

[0159] For example, the included angles α1 and α2 satisfy the following relationship: 8° < α2 ≤ α1 < 15°. Designing the included angles α1 and α2 to the above values ​​can further reduce the loss of airflow when changing direction.

[0160] In this embodiment, the impeller 20 is an integral structural component.

[0161] Designing the impeller 20 as a one-piece structural component not only improves the overall structural strength of the impeller 20, but also increases manufacturing efficiency.

[0162] The working process of the fan light is described below.

[0163] During the operation of the fan light, the impeller 20 rotates within the housing 10, causing air to sequentially pass through the cover 50, filter cartridge 30, first air inlet 130, the interior of the housing 10, and first air outlet 140, forming an airflow. During this process, dust in the air moves with the air. The dust is first slowed down by the cover 50, causing most of the dust to be isolated and adsorbed onto the outer wall of the filter cartridge 30. A very small portion of very small dust particles can pass through the filter cartridge 30 and enter the housing 10 with the air. The dust entering the housing 10 moves towards the first air inlet 130 with the air. Before reaching the first air outlet 140, it is attracted by the electrostatic generator in the dust collection box 60 and enters the dust collection box 60. In this way, the air finally output from the first air outlet 140 is clean air after dust removal.

[0164] After the fan light has been operating for a period of time, the housing 10 can be disassembled separately, making it convenient to clean the dust collection chamber 40 on the housing 10. At the same time, it also makes it convenient to clean the dust collection box 60 inside the housing 10. In this way, dust can be effectively prevented from accumulating in the dust collection chamber 40 and the dust collection box 60.

[0165] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms “first,” “second,” “third,” and similar terms used in this patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms “an” or “a” and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms “comprising” or “including” and similar terms mean that the element or object preceding “comprising” or “including” encompasses the element or object listed following “comprising” or “including” and its equivalents, and do not exclude other elements or objects. The terms “connected” or “linked” and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms “upper,” “lower,” “left,” “right,” etc., are used only to indicate relative positional relationships, and these relative positional relationships may change accordingly when the absolute position of the described object changes.

[0166] The above description is merely an optional embodiment of this disclosure and is not intended to limit this disclosure. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the protection scope of this disclosure.

Claims

1. A fan light, characterized in that, include: Shell (10), impeller (20) and filter cartridge (30); The housing (10) has an opposing upper housing cover (110) and a lower housing cover (120). The upper housing cover (110) has a first air inlet (130). A first air outlet (140) is located between the outer edge of the upper housing cover (110) and the outer edge of the lower housing cover (120). The impeller (20) is rotatably located inside the housing (10). The filter cartridge (30) is located outside the housing (10) and one end is connected to the first air inlet (130). The fan light also includes a dust collection assembly (70), which includes a dust collection bin (40) and a cover (50). The cover (50) is installed over the filter cartridge (30). One end of the cover (50) is connected to the upper cover (110) of the housing. In the direction in which the cover (50) extends away from the upper cover (110) of the housing, the distance between the cover (50) and the filter cartridge (30) gradually increases. The cover (50) is provided with a plurality of first through holes (510), which are used to reduce the flow rate of the air passing through. The dust collection bin (40) extends circumferentially along the outer peripheral wall of the filter cartridge (30) and is connected to the upper cover (110) of the housing. The opening (410) of the dust collection bin (40) faces the filter cartridge (30).

2. The fan light according to claim 1, characterized in that, The cover (50) is located between the filter cartridge (30) and the dust collection chamber (40), with the filter cartridge (30) located inside the cover (50) and the dust collection chamber (40) located outside the cover (50).

3. The fan light according to claim 1, characterized in that, The distance between the cover (50) and the filter cartridge (30) is logarithmically related to the airflow velocity at the cover (50).

4. The fan light according to claim 3, characterized in that, The distance between the cover (50) and the filter cartridge (30) satisfies the following relationship: Where y is the distance between the cover (50) and the filter cartridge (30), v max v is the maximum velocity of the airflow. min v is the minimum velocity of the airflow. i Let be the airflow velocity at position i, where m, k1, and k2 are constants.

5. The fan light according to claim 1, characterized in that, The distance between the cover (50) and the filter cartridge (30) and the height of the cover (50) are logarithmically related.

6. The fan light according to claim 5, characterized in that, The distance between the cover (50) and the filter cartridge (30) satisfies the following relationship: Where y is the distance between the cover (50) and the filter cartridge (30), h is the height of the cover (50), and r is the height of the filter cartridge (30). k h0 is a constant.

7. The fan light according to claim 1, characterized in that, The housing cover (110) has a slot on one side, and the cover (50) is inserted into the slot; Alternatively, there may be a plurality of connecting arms (520) between the housing cover (110) and the cover (50), the connecting arms (520) being connected to the housing cover (110) and the cover (50) respectively.

8. The fan light according to claim 1, characterized in that, The cover (50) is provided with a plurality of the first through holes (510). The first through holes (510) of the same group extend along the axial direction of the cover (50), and the first through holes (510) of each group are arranged at intervals along the circumferential direction of the cover (50).

9. The fan light according to claim 1, characterized in that, There are multiple support members (530) between the cover (50) and the filter cartridge (30); The plurality of the support members (530) are arranged at circumferential intervals along the housing (50).

10. The fan light according to claim 9, characterized in that, The dimension of the support member (530) in the axial direction perpendicular to the cover (50) gradually increases in the direction away from the upper cover (110) of the housing.

11. The fan light according to claim 10, characterized in that, The support member (530) is a support rib extending axially along the cover (50); The support member (530) is integrally formed with the cover (50) or the filter cartridge (30), and the radial thickness of the support member (530) satisfies the following relationship: Where t is the radial thickness of the support member (530), h is the height of the cover (50), and r k h0 is a constant.

12. The fan light according to claim 1, characterized in that, In the direction from the outer edge of the upper cover (110) of the housing to the first air inlet (130), the upper cover (110) of the housing gradually protrudes obliquely away from the lower cover (120); The dust collection chamber (40) is located between the outer edges of the filter cartridge (30) and the housing cover (110), and the dust collection chamber (40) is close to the filter cartridge (30).

13. The fan light according to claim 1, characterized in that, The dust collection bin (40) includes a dust-blocking section (420) and a connecting section (430); The dust-blocking section (420) is spaced apart from the housing cover (110). One side of the connecting section (430) is connected to one side of the dust-blocking section (420), and the other side of the connecting section (430) is bent toward the housing cover (110) to connect with the housing cover (110).

14. The fan light according to claim 1, characterized in that, The lower cover (120) of the housing has a plurality of second through holes (150), the second through holes (150) being close to the first air outlet (140); The fan light also includes a dust collection box (60), which is connected to the side of the lower cover (120) of the housing away from the upper cover (110) of the housing, and the opening of the dust collection box (60) is opposite to the second through hole (150).

15. The fan light according to claim 14, characterized in that, Multiple second through holes (150) are arranged circumferentially along the impeller (20); The dust collection box (60) extends circumferentially along the impeller (20).

16. The fan light according to claim 14, characterized in that, The dust collection box (60) has a baffle (610) inside. The baffle (610) has a plurality of third through holes (620) which are opposite to the opening of the dust collection box (60).

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