Roller blade fan and lamp with roller blade fan

Abstract

The utility model discloses a roller fan blade fan and a lamp with the roller fan blade fan, the roller fan blade fan comprises a stopper unit and a roller fan blade unit, the stopper unit and the roller fan blade unit are movably connected and fixed in an alignment manner through a fastener, a roller fan blade is arranged in the roller fan blade unit, one end of the roller fan blade is connected with a fan blade motor, and the other end of the roller fan blade is connected with a motor. The blocking piece unit comprises a blocking piece side cover, an air outlet is formed in the surface of the blocking piece side cover, a movable blocking piece is connected in the air outlet, one end of the movable blocking piece is connected with a blocking piece motor, and the movable blocking piece is of an integrated structure. The covering area of the movable blocking piece is slightly smaller than the area of the air outlet, so that a gap part is arranged at the peripheral edge of the movable blocking piece and the air outlet, the gap part can effectively guide air circulation, dust and sundries in air flowing are prevented from being accumulated at the joint face of the movable blocking piece, smooth ventilation and cleanness of equipment in long-term use are ensured, and the service life of the equipment is prolonged. And the durability and the cleanliness of the equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of blowing and lighting, specifically relates to a roller fan blade fan and lamp with roller fan blade fan. BACKGROUND

[0002] With the continuous development of smart home, as an indispensable lighting device in modern families, the function and design of ceiling lamps are developing towards diversification and intelligence. In recent years, ceiling lamp integrated fan products have gradually emerged, ceiling lamps not only provide lighting function, but also can realize air circulation, keep indoor air fresh and smooth. This integrated design not only saves space, but also improves indoor comfort, especially in summer or air circulation environment, it not only has lighting function, but also provides cool experience for users.

[0003] However, with the popularity of ceiling lamp fan products, new technical problems have also appeared. Typical ceiling lamp integrated fan products, such as the technology disclosed in announcement No. CN220769746U, are usually designed as bladeless fans. The advantage of bladeless fan is that its structure is simple, which reduces the complexity of traditional fan, but also has some special problems. In this design, a plurality of air outlet grilles are arranged in the air outlet, and the grilles close the air outlet by mutual covering. When the fan is in a long time closed state in autumn and winter, the lighting function of the lamp is still turned on, but the fan does not run, resulting in a large amount of dust and dirt accumulated in the gap between the air outlet grilles and the grilles.

[0004] Since the bladeless fan is usually fixedly installed on the ceiling, it is relatively difficult to clean. When the fan is not used for a long time, the accumulated dust will fall out with the opening of the grilles, and even may be blown out with the air flow, causing indoor air pollution. This problem is particularly prominent in use, especially for those fans that are in a closed state for a long time, the dust accumulation is serious and difficult to clean.

[0005] In view of this, it is urgent to overcome the defects of the above-mentioned prior art in this technical field. UTILITY MODEL CONTENT

[0006] In view of the technical problems mentioned in the background art, the purpose of the utility model is to provide a roller fan blade fan and a lamp with roller fan blade fan, so as to solve the technical problems mentioned in the above background art.

[0007] To achieve the above object, the utility model provides a technical scheme: a roller fan blade, it includes blocking piece unit and roller fan blade unit, the blocking piece unit with this roller fan blade unit is through fastener alignment movable connection fixed, the roller fan blade unit is built -in roller fan blade, one end of the roller fan blade is connected with fan blade motor, the blocking piece unit includes blocking piece edge cover, the surface of blocking piece edge cover is equipped with air outlet, the air outlet is connected with movable blocking piece, one end of movable blocking piece is connected with blocking piece motor, and the movable blocking piece is integral structure.

[0008] Further, both ends of the movable blocking piece are connected with swing arms, the rear side of the movable blocking piece is provided with an embedded connecting rib, one end of the swing arm is provided with a swing arm plug, the swing arm plug is inserted into the embedded connecting rib, the surfaces of both ends of the embedded connecting rib are provided with first swing arm fixing holes, the surface of the swing arm plug is provided with a second swing arm fixing hole, and the first swing arm fixing hole and the second swing arm fixing hole are connected and fixed by a fastener, one end of the swing arm is provided with a free end, the other end of the swing arm is provided with a driving end, one end of the blocking piece motor is provided with a motor rotating shaft, the motor rotating shaft is connected between the driving end, one end of the air outlet is provided with a motor mounting position, the blocking piece motor is fixedly installed on the motor mounting position, the other end of the air outlet is provided with a movable perforation, and the free end is connected in the movable perforation.

[0009] Further, the roller fan blade unit includes a lower shell and an upper shell, the upper shell is embedded in the lower shell, the inner side of the lower shell is uniformly provided with a plurality of shell penetrating columns, the surface edge of the upper shell is uniformly provided with a plurality of shell perforations, the plurality of shell perforations and the plurality of shell penetrating columns correspond one by one, and are connected and fixed by a fastener penetrating through the shell perforation and the shell penetrating column.

[0010] Further, the roller fan blade is transversely connected in the upper shell, one side of the upper shell is provided with a motor mounting portion, the fan blade motor is fixedly installed on the motor mounting portion, the other side of the upper shell is provided with a movable mounting position, a movable connecting piece is installed in the movable mounting position, one end of the roller fan blade is provided with a motor driving end, the motor driving end is connected between the fan blade motor, the other end of the roller fan blade is provided with a movable connecting end, and the movable connecting end is connected in the movable connecting piece.

[0011] Further, one side wall of the upper shell is provided with an air duct arc plate, the air duct arc plate is provided with an air outlet end in the axial upward direction, the other end of the air duct arc plate is an open wall, so that the cavity of the upper shell and the cavity of the lower shell are communicated, the cavity of the upper shell and the cavity of the lower shell form an air cavity, and the air outlet and the air outlet end are correspondingly communicated.

[0012] Further, the bottom surface and the side wall of the lower shell are respectively provided with air inlet gap surfaces, and the air inlet gap surface of the bottom surface is sealingly engaged with the air duct arc plate of the upper shell.

[0013] Further, the inner side wall of the lower shell is provided with a heating body, the inner surface of the upper shell is symmetrically provided with a heating body penetrating column, the two sides of the heating body are symmetrically provided with a heating body penetrating sleeve, the heating body penetrating sleeve is correspondingly sleeved on the outer side of the heating body penetrating column, and the heating body penetrating sleeve and the heating body penetrating column are connected and fixed through fasteners, and the surface of the heating body is provided with a plurality of heating gaps corresponding to the air inlet gap surface of the side wall.

[0014] Further, the two sides of the upper shell are respectively provided with a plurality of first fixing penetrating portions, the two sides of the baffle edge cover are respectively provided with a plurality of second fixing penetrating portions, the first fixing penetrating portions and the second fixing penetrating portions are one-to-one corresponding, and the second fixing penetrating portions and the first fixing penetrating portions are connected and fixed through fasteners.

[0015] Further, the area of the movable baffle is smaller than the area of the air outlet, and the movable baffle and the four peripheral edges of the air outlet are provided with a gap portion.

[0016] To achieve the above object, the utility model provides a technical scheme of a lamp with a roller blade fan, which comprises a lamp body, the lamp body is installed on a ceiling by a ceiling suction method, a roller blade unit and a baffle unit are installed in the lamp body, and an illuminating light source is installed on the inner side of the lamp body.

[0017] The utility model mainly has the following beneficial effects: the roller blade unit is internally provided with a roller blade, one end of the roller blade is connected with a blade motor, the baffle unit comprises a baffle edge cover, an air outlet is formed in the surface of the baffle edge cover, a movable baffle is transversely connected in the air outlet, one end of the movable baffle is connected with a baffle motor, the movable baffle is of an integral structure, the covering area of the movable baffle is slightly smaller than the area of the air outlet, the movable baffle and the four peripheral edges of the air outlet are provided with a gap portion, the gap portion can effectively guide air circulation, dust and sundries in air flow are prevented from accumulating at the joint surface of the movable baffle, smooth ventilation and cleanliness during long-term use of the equipment are ensured, and the durability and cleanliness of the equipment are improved. The baffle unit and the roller blade unit are fixed by a movable structure, different baffles and different roller blade units can be replaced to realize air outlet communication. One side wall of the upper shell is provided with an air duct arc plate, which is matched with the rotation path of the roller blade, helps to guide air flow to be concentrated and discharged along a predetermined direction, and good ventilation effect is realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a connection structure diagram of the baffle unit and the roller blade unit of the utility model.

[0019] Figure 2 It is an exploded structure diagram of the baffle unit and the roller blade unit of the utility model.

[0020] Figure 3 It is the exploded structural schematic view of the blocking piece unit of the utility model.

[0021] Figure 4 It is the exploded structural schematic view of the roller fan blade unit of the utility model.

[0022] Figure 5 It is the upper shell structure schematic view of the utility model.

[0023] Figure 6 It is the roller fan blade structure schematic view of the utility model.

[0024] Figure 7 It is the movable blocking piece opening air outlet use state schematic view of the utility model.

[0025] Figure 8 It is the use process state schematic view of the utility model.

[0026] Figure 9 It is the lamp structure schematic view with the roller fan blade fan of the utility model.

[0027] Reference signs: blocking piece unit 10, roller fan blade unit 20, roller fan blade 21, fan blade motor 22, blocking piece edge cover 11, air outlet 111, movable blocking piece 12, blocking piece motor 13, swing arm 14, embedded connecting rib 121, swing arm plug block 141, first swing arm fixing hole 122, second swing arm fixing hole 142, free movement end 143, driving end 144, motor rotating shaft 131, motor installation position 15, movable perforation 16, lower shell 23, upper shell 24, shell through column 231, shell perforation 241, motor installation part 242, movable installation position 243, movable through piece 25, motor driving end 211, movable connection end 212, air duct arc plate 244, air outlet end 245, air inlet gap surface 232, heating body 26, heating body through column 246, heating body through sleeve 261, heating gap 262, first fixed through part 247, second fixed through part 112, gap part 17, display installation part 113, display 18, lamp body 30, illumination light source 31, air inlet face 248. DETAILED DESCRIPTION

[0028] As Figures 1 to 8As shown, a roller fan blade fan, which comprises a blocking piece unit 10 and a roller fan blade unit 20, the blocking piece unit 10 and the roller fan blade unit 20 are fixedly connected by fasteners, the roller fan blade unit 20 is internally provided with a roller fan blade 21, one end of the roller fan blade 21 is connected with a fan blade motor 22, the blocking piece unit 10 comprises a blocking piece side cover 11, the surface of the blocking piece side cover 11 is provided with an air outlet 111, the air outlet 111 is transversely connected with a movable blocking piece 12, one end of the movable blocking piece 12 is connected with a blocking piece motor 13, in use, the fan blade motor 22 is powered to drive the roller fan blade 21, the roller fan blade 21 generates air flow, that is, wind power, the blocking piece motor 13 is powered to control the swing of the movable blocking piece 12, the movable blocking piece 12 can control the wind direction of the air outlet 111 and open and close the air outlet 111, when the movable blocking piece 12 closes the air outlet 111, the movable blocking piece 12 and the blocking piece side cover 11 form the same horizontal plane. The blocking piece unit 10 and the roller fan blade unit 20 are fixed by movable structure, different blocking pieces and different roller fan blade units can be replaced to complete the air outlet connection.

[0029] In specific implementation, both ends of the movable blocking piece 12 are respectively connected with swing arms 14, the rear side of the movable blocking piece 12 is provided with an embedded connecting rib 121, one end of the swing arm 14 is provided with a swing arm plug block 141 matched with the embedded connecting rib 121, the swing arm plug block 141 is inserted into the end of the embedded connecting rib 121, the surfaces of both ends of the embedded connecting rib 121 are respectively provided with first swing arm fixing holes 122, the surface of the swing arm plug block 141 is provided with second swing arm fixing holes 142, the first swing arm fixing holes 122 and the second swing arm fixing holes 142 correspond to each other, and are fixedly connected by fasteners passing through the first swing arm fixing holes 122 and the second swing arm fixing holes 142, so that the two swing arms 14 are respectively fixedly connected at both ends of the movable blocking piece 12, which is simple in structure and convenient to install.

[0030] In the embodiment, the swing arm 14 at one end is provided with a free end 143, and the swing arm 14 at the other end is provided with a driving end 144. The baffle motor 13 is provided with a motor shaft 131 at one end facing the driving end 144, and the motor shaft 131 is connected with the driving end 144. One end of the air outlet 111 is provided with a motor mounting position 15. The baffle motor 13 is fixedly mounted on the motor mounting position 15 through fasteners. The other end of the air outlet 111 is provided with a movable perforation 16. The free end 143 is connected in the movable perforation 16. In use, the baffle motor 13 is powered to drive the motor shaft 131 to rotate, thereby driving the swing arm 14 at the driving end 144 to rotate synchronously. The free end 143 swings in the movable perforation 16 as the axis, and controls the swing angle of the movable baffle 12 together with the driving end 144, thereby adjusting the wind direction left and right. The movable baffle 12 can be swung to the horizontal position to control the opening and closing of the air outlet 111.

[0031] In the embodiment, the roller fan unit 20 comprises a lower shell 23 and an upper shell 24. The upper shell 24 is embedded in the lower shell 23. The inner side of the lower shell 23 is uniformly provided with a plurality of shell penetrating columns 231. The surface edge of the upper shell 24 is uniformly provided with a plurality of shell perforations 241. The plurality of shell perforations 241 correspond to the plurality of shell penetrating columns 231 one by one, and are connected and fixed through fasteners penetrating the shell perforations 241 and the shell penetrating columns 231, so that the upper shell 24 is fixedly embedded in the lower shell 23, which is simple in structure and convenient and stable in installation.

[0032] In the embodiment, the roller fan blade 21 is transversely connected in the upper shell 24. One side of the upper shell 24 is provided with a motor mounting portion 242. The fan motor 22 is fixedly mounted on the motor mounting portion 242 through fasteners. The other side of the upper shell 24 is provided with a movable mounting position 243. The movable mounting position 243 is provided with a movable penetrating piece 25. One end of the roller fan blade 21 facing the fan motor 22 is provided with a motor driving end 211. The motor driving end 211 is connected with the fan motor 22. One end of the roller fan blade 21 facing the movable penetrating piece 25 is provided with a movable connecting end 212. The movable connecting end 212 is connected in the movable penetrating piece 25. In use, the fan motor 22 is powered to drive the motor driving end 211 to rotate, thereby driving the roller fan blade 21 to rotate around the horizontal axis. The movable connecting end 212 is supported for low-friction rotation in the movable penetrating piece 25, so that the roller fan blade 21 maintains balance and coaxiality during high-speed operation. The rotation of the roller fan blade 21 drives air flow, forms strong wind power, and realizes the air outlet function of the fan.

[0033] In specific implementation, the side wall of the upper shell 24 is provided with an air duct arc plate 244, which is a circular arc plate matched with the rotation path of the roller fan blade 21, which helps to guide the air flow to be concentrated and discharged in a predetermined direction. The axial upper direction of the air duct arc plate 244 is provided with an air outlet end 245 for guiding air flow output. The other end of the air duct arc plate 244 is an open wall surface, which makes the cavity of the upper shell 24 communicate with the cavity of the lower shell 23, so that the cavities of the upper shell 24 and the lower shell 23 form an air cavity. The air outlet 111 communicates with the air outlet end 245. In use, the air in the air cavity can be blown out from the air outlet end 245 to the air outlet 111, achieving good ventilation effect.

[0034] In specific implementation, the bottom surface and the side wall of the lower shell 23 are respectively provided with an air inlet gap surface 232. The bottom surface and the side wall provided with the air inlet gap surface 232 are in the air cavity. The air inlet gap surface 232 of the bottom surface is sealingly engaged with the lower end of the air duct arc plate 244 of the upper shell 24. In use, when the fan motor 22 drives the roller fan blade 21 to rotate, a negative pressure suction force is formed, which drives air to enter from the air inlet gap surface 232 of the bottom surface and the side wall. After the air enters the air cavity, it flows along the arc-shaped channel in the cavity under the guidance of the air duct arc plate 244, and is finally blown out from the air outlet end 245 and the air outlet 111. Due to the sealing engagement between the air duct arc plate 244 and the air inlet gap surface 232, air disturbance and backflow can be effectively reduced, and the flow rate and flow direction stability of the air flow can be improved.

[0035] In specific implementation, the inner side wall of the lower shell 23 is provided with a heating body 26, and the inner surface of the upper shell 24 is symmetrically provided with a heating body penetrating column 246. The heating body 26 is symmetrically provided with a heating body penetrating sleeve 261 on both sides. The heating body penetrating sleeve 261 is correspondingly sleeved on the outer side of the heating body penetrating column 246 and is connected and fixed by fasteners penetrating the heating body penetrating sleeve 261 and the heating body penetrating column 246. The surface of the heating body 26 is provided with a plurality of heating gaps 262 corresponding to the air inlet gap surface 232 of the side wall. In use, the heating body 26 starts to heat after being powered on, and the heat energy is conducted to the passing air through the heating gaps 262. The external air enters from the air inlet gap surface 232 of the bottom surface and the side wall, flows through the heating body 26 and the heating gaps 262, is heated, and the heated air is sucked into the roller fan blade 21, guided by the air duct arc plate 244, and efficiently blown out from the air outlet 111, achieving the function of hot air output.

[0036] In specific implementation, the heating body 26 is made of graphene material, the graphene heating body has excellent electrical conductivity and heat conduction performance, high heating efficiency and fast heating speed, and can quickly generate heat in a short time to realize efficient heating of air. In addition, the heating body 26 can also be made of a metal heating tube structure, the heating tube is provided with an electric heating wire inside, and the shell is coated with a high-temperature-resistant alloy material, which has good heat resistance and stability and is suitable for long-time continuous working scenes.

[0037] In specific implementation, the upper shell 24 is provided with a plurality of first fixing through parts 247 on both sides, the blocking piece side cover 11 is provided with a plurality of second fixing through parts 112 on both sides, the first fixing through parts 247 and the second fixing through parts 112 correspond to each other, and are connected and fixed by fasteners passing through the second fixing through parts 112 and the first fixing through parts 247, so that the blocking piece unit 10 and the roller blade unit 20 are connected and fixed in position.

[0038] In specific implementation, the movable blocking piece 12 is of an integrated structure, and the angle of the movable blocking piece 12 and the blocking piece side cover 11 is adjusted by swinging, so as to adjust the angle of the blocking piece. The angle of the movable blocking piece 12 can adjust the air outlet direction. When the angle of the movable blocking piece 12 and the blocking piece side cover 11 is 0 degrees, the movable blocking piece 12 is in a closed state relative to the air outlet 111. When the movable blocking piece 12 is in a closed state relative to the air outlet 111, the coverage area of the movable blocking piece 12 is slightly smaller than the area of the air outlet 111, so that a gap part 17 is arranged between the movable blocking piece 12 and the air outlet 111. The gap part 17 can effectively guide air flow and avoid dust and sundries in the air flow from accumulating at the joint surface of the movable blocking piece 12, so as to ensure smooth ventilation and cleaning during long-term use of the equipment and improve the durability and cleanliness of the equipment.

[0039] In specific implementation, the movable blocking piece 12 and the air outlet 111 are rectangular, elliptical or square.

[0040] In specific implementation, one end of the blocking piece side cover 11 is provided with a display mounting part 113, and a display 18 is mounted on the display mounting part 113. In use, the display 18 can display various working parameters, such as the heating level, whether it is working, the air volume, the light type, and the like. The display 18 can be mechanically displayed or electronically displayed.

[0041] As Figure 1 , 4As shown in FIGS. 9, a lamp with a roller blade fan, comprising a lamp body 30, which is installed on the ceiling by a ceiling suction method, providing fixed support, the roller blade unit 20 and the blocking piece unit 10 of the roller blade fan are installed inside the lamp body 30, ensuring stable operation, the inner side of the lamp body 30 is installed with a lighting light source 31, in use, the roller blade fan drives the roller blade 21 to rotate through the blade motor 22, generating air flow, effectively ventilating or adjusting the air quality in the room, the blocking piece unit 10 controls the adjustment function of the wind direction, which can adjust the direction of the air flow or close the air outlet as needed, further optimizing the indoor air circulation effect, the lighting light source 31 provides efficient and uniform lighting, which not only meets the lighting needs, but also avoids the occupation of space by multiple devices, improving the space utilization rate.

[0042] In specific implementation, the surface of the upper shell 24 is provided with an air inlet face 248, which can suck in the heat generated by the operation of the lamp body 30 into the air cavity, when the roller blade fan is installed in the lamp body, the lamp body 30 will generate a large amount of heat during lighting operation, and the heat will damage the internal components of the lamp body 30 if it cannot be dissipated, affecting the service life, the heat can be blown out from the air outlet of the blocking piece unit 10 in the air cavity, which can also prolong the service life of the lamp body.

Claims

1. A scroll vane fan characterized by, It include the stopper unit (10) and the roller blade unit (20), the stopper unit (10) with the roller blade unit (20) are connected by fastener alignment movable connection fixed, the roller blade unit (20) is built-in roller blade (21), one end of the roller blade (21) is connected with blade motor (22), the stopper unit (10) includes stopper side cover (11), the surface of the stopper side cover (11) is provided with air outlet (111), the air outlet (111) is connected with movable stopper (12), one end of the movable stopper (12) is connected with stopper motor (13), the movable stopper (12) is integrated structure.

2. The scroll lobe blower of claim 1, wherein Two ends of the movable stopper (12) are connected with swing arm (14), the rear side of the movable stopper (12) is provided with embedded connection rib (121), one end of the swing arm (14) is provided with swing arm plug block (141), the swing arm plug block (141) is inserted in the embedded connection rib (121), the surface of both ends of the embedded connection rib (121) is provided with first swing arm fixed hole (122), the surface of the swing arm plug block (141) is provided with second swing arm fixed hole (142), and is connected and fixed by fastener through the first swing arm fixed hole (122) and the second swing arm fixed hole (142), one end of the swing arm (14) is provided with free swing end (143), the swing arm (14) of the other end is provided with driving end (144), one end of the stopper motor (13) is provided with motor rotating shaft (131), the motor rotating shaft (131) is connected between the driving end (144), one end of the air outlet (111) is provided with motor installation site (15), the stopper motor (13) is fixedly installed on the motor installation site (15), the other end of the air outlet (111) is provided with movable perforation (16), the free swing end (143) is connected in the movable perforation (16).

3. The scroll lobe blower of claim 1 or 2, wherein The roller blade unit (20) includes lower shell (23) and upper shell (24), the upper shell (24) is embedded in the lower shell (23), the inner side of the lower shell (23) is uniformly provided with a plurality of shell through columns (231), the surface edge of the upper shell (24) is uniformly provided with a plurality of shell through holes (241), a plurality of the shell through holes (241) and a plurality of the shell through columns (231) are one-to-one corresponding, and are connected and fixed by fastener through the shell through hole (241) and the shell through column (231).

4. The scroll lobe blower of claim 3, wherein The roller fan blade (21) is transversely connected in the upper shell (24), one side of the upper shell (24) is provided with a motor mounting portion (242), the blade motor (22) is fixedly installed on the motor mounting portion (242), the other side of the upper shell (24) is provided with a movable mounting position (243), the movable mounting position (243) is installed with a movable penetrating piece (25), one end of the roller fan blade (21) is provided with a motor driving end (211), the motor driving end (211) is connected between the blade motor (22), the other end of the roller fan blade (21) is provided with a movable connection end (212), and the movable connection end (212) is connected in the movable penetrating piece (25).

5. The scroll lobe blower of claim 4, wherein The side wall of the upper shell (24) is provided with an air duct arc plate (244), the axial direction of the air duct arc plate (244) is provided with an air outlet end (245), and the other end of the air duct arc plate (244) is an open wall, so that the cavity of the upper shell (24) and the cavity of the lower shell (23) are communicated, the cavity of the upper shell (24) and the cavity of the lower shell (23) form an air cavity, and the air outlet (111) and the air outlet end (245) are correspondingly communicated.

6. The scroll lobe blower of claim 5, wherein The bottom surface and the side wall of the lower shell (23) are respectively provided with an air inlet gap surface (232), and the air inlet gap surface (232) of the bottom surface is sealingly engaged with the air duct arc plate (244) of the upper shell (24).

7. The scroll lobe blower of claim 6, wherein The inner side wall of the lower shell (23) is provided with a heating body (26), the inner surface of the upper shell (24) is provided with a heating body penetrating column (246) in a symmetrical manner, the two sides of the heating body (26) are provided with a heating body penetrating sleeve (261) in a symmetrical manner, the heating body penetrating sleeve (261) is correspondingly sleeved on the outer side of the heating body penetrating column (246), and the heating body penetrating sleeve (261) and the heating body penetrating column (246) are connected and fixed by a fastener, a plurality of heating gaps (262) are formed in the surface of the heating body (26), and the heating gaps (262) correspond to the air inlet gap surfaces (232) of the side walls.

8. The scroll lobe blower of claim 7, wherein, The two sides of the upper shell (24) are respectively provided with a plurality of first fixed penetrating portions (247), the two sides of the blocking piece edge cover (11) are respectively provided with a plurality of second fixed penetrating portions (112), the first fixed penetrating portions (247) correspond to the second fixed penetrating portions (112) one by one, and the second fixed penetrating portions (112) and the first fixed penetrating portions (247) are connected and fixed by a fastener.

9. The roller vane fan of claim 1, wherein, The area of the movable blocking piece (12) is smaller than the area of the air outlet (111), and the movable blocking piece (12) is provided with a gap portion (17) at the periphery of the air outlet (111).

10. A lamp having a roller vane fan comprising the roller vane fan of claim 1, wherein, It comprises a lamp body (30), the lamp body (30) is installed on the ceiling by a ceiling suction mode, the roller fan blade unit (20) and the blocking piece unit (10) are installed in the lamp body (30), and the inner side of the lamp body (30) is provided with a lighting light source (31).

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