Preparation equipment for oil stain impeller
By setting a heat-conducting plate between the smoke-generating chamber and the heating chamber, and installing a heating device inside the heating chamber, a mixture of cooking oil and water is sprayed onto the metal heat-conducting plate using an oil spray nozzle to generate smoke. The smoke adheres to the impeller, solving the problem of large differences between the formulated oil stains and real cooking oil stains and weak bonding force in the existing technology. This achieves uniform distribution and aging of oil stains on the impeller, meeting the requirements of range hood performance testing.
Patent Information
- Application Number
- CN202520001934.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-02
AI Technical Summary
In existing technologies, the formulated oil stains differ significantly from real cooking oil stains, and have weak adhesion. As a result, the artificially prepared oil stain impellers cannot meet the requirements of cleaning agent testing, and the coating is uneven, making it difficult to simulate the performance of range hoods in real-world scenarios, such as airflow and dynamic balance.
A heat-conducting plate is installed between the smoke-generating chamber and the heating chamber. A heating device is installed inside the heating chamber, and the heat from the heating device is transferred to the metal heat-conducting plate. A first rotating rod and an oil nozzle are installed inside the smoke-generating chamber. The impeller to be manufactured is placed on the first rotating rod. The oil nozzle is located below the impeller and faces the metal heat-conducting plate. The oil nozzle is connected to the metal heat-conducting plate through a pumping device. The mixture is sprayed onto the metal heat-conducting plate. The oil nozzle is connected to a mixing tank through a pumping device. The oil nozzle sprays the mixture of cooking oil and water onto the metal heat-conducting plate. The mixture of cooking oil and water is sprayed onto the metal heat-conducting plate through a pumping device. The mixture of cooking oil and water is sprayed onto the metal heat-conducting plate. Smoke is generated under the heating effect of the metal heat-conducting plate. The smoke moves upward and adheres to the impeller. The above device can more realistically simulate the oil fumes produced during cooking adhering to the impeller.
It achieves a more realistic simulation of cooking fumes adhering to the impeller, enabling mass production of oil-stained impellers to meet testing requirements. It solves the problems of large differences between the formulated oil stains and real cooking oil stains and weak bonding force, and achieves uniform distribution and aging of oil-stained impellers, meeting the performance testing requirements of range hoods under oil stain conditions.
Smart Images
Figure CN223637128U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a range hood performance test technical field, especially relate to a preparation equipment of oil dirt impeller. BACKGROUND
[0002] Oil dirt cleaner test, oil dirt state under the noise, air volume, dynamic balance of oil fume exhaust fan performance test all need a large number of oil dirt impeller, and the impeller collected by user end is insufficient to meet the test demand, so artificial oil dirt impeller needs to be prepared. At present, the method in GB / T35833-2018 is generally used for artificial oil dirt piece preparation, the artificial oil dirt is prepared according to the formula reagent, then is coated on the surface of the piece, and finally is aged by ultraviolet lamp to form artificial oil dirt piece. However, there are many defects, the formula oil dirt is quite different from the component of real cooking oil dirt, and the ultraviolet aging time is short, the bonding force of oil dirt and the piece is weak, finally leading to that the cleaning difficulty of the oil dirt piece prepared by the method is far less than that of the oil dirt piece in the actual user's home, and the method cannot meet the demand of cleaner test. Since the gap between adjacent blades of the oil fume exhaust fan impeller is small, compared with the ordinary flat piece, the structure is complex, and the oil dirt adhered by the artificial oil dirt coating method is difficult to operate on the impeller and difficult to coat uniformly on a surface. And in the actual use scene, the oil dirt distribution of the blade concave surface is more than that of the convex surface, finally leading to that the impeller made by the artificial oil dirt coating method cannot meet the performance test demand of the noise, air volume, dynamic balance of the oil fume exhaust fan fan under the oil dirt state. When aging, artificial position adjustment is needed to ensure uniform aging, the internal structure of the impeller is complex, and static placement cannot guarantee that the oil dirt on the inner side of the blade is aged. CONTENT OF THE UTILITY MODEL
[0003] The utility model wants to solve the technical problem that the formula oil dirt is quite different from the real cooking oil dirt, the bonding force of oil dirt and the piece is weak and other defects cannot meet the test requirements, and provides a preparation equipment of oil dirt impeller.
[0004] The utility model solves the above technical problem by the following technical scheme:
[0005] The utility model provides a preparation equipment of oil dirt impeller, it includes smoke warehouse, the smoke warehouse includes smoke cavity and heating cavity, heat conduction plate is arranged between the smoke cavity and the heating cavity, first rotating rod and oil nozzle are arranged in the smoke cavity, a plurality of impellers are placed on the first rotating rod, the first rotating rod is connected with driving piece, the oil nozzle is arranged below the impeller and is towards the heat conduction plate, heating device is arranged in the heating cavity, the mixing tank filled with water is arranged below the heating cavity, the mixing tank is communicated with the oil nozzle by pumping device.
[0006] In the scheme, a heat-conducting plate is arranged between the smoke generating cavity and the heating cavity, a heating device is arranged in the heating cavity, heat transfer of the heating device is on the metal heat-conducting plate, so that the metal heat-conducting plate has a higher temperature, a first rotating rod and an oil nozzle are arranged in the smoke generating cavity, the impeller to be made is placed on the first rotating rod, the oil nozzle is arranged below the impeller and faces the metal heat-conducting plate, the oil nozzle is communicated with a mixing tank through a pumping device, a mixture of edible oil and water is added in the mixing tank, is transported to the oil nozzle through the pumping device, and the mixture of edible oil and water is sprayed to the metal heat-conducting plate by the oil nozzle. The smoke generated under the heating action of the metal heat-conducting plate moves upward and adheres to the impeller. Through the above device, the oil smoke adhering to the impeller generated by cooking can be more realistically simulated, and a large number of oil-stained impellers can be produced to meet the test requirements.
[0007] Preferably, the heating device is an S-shaped heating pipe arranged on the side of the metal heat-conducting plate away from the smoke generating cavity.
[0008] In the scheme, the S-shaped heating pipe is arranged on the side of the metal heat-conducting plate away from the smoke generating cavity, so that the S-shaped heating pipe can uniformly transfer heat to the metal heat-conducting plate.
[0009] Preferably, the oil nozzle is a plurality of oil nozzles uniformly distributed along the length direction of the metal heat-conducting plate.
[0010] In the scheme, a plurality of oil nozzles are arranged and uniformly distributed along the length direction of the heat-conducting plate, so that the mixture of oil and water is uniformly sprayed to the metal heat-conducting plate, and the metal heat-conducting plate can generate smoke better.
[0011] Preferably, the bottom of the heating cavity is further provided with a heat insulation plate.
[0012] In the scheme, the heat insulation plate is arranged at the bottom of the heating cavity, which can insulate the heating cavity from the mixing tank and prevent heat dissipation, so that heat can be transferred to the metal heat-conducting plate as much as possible.
[0013] Preferably, the side of the heat insulation plate facing the metal heat-conducting plate is provided with a heat-reflecting coating.
[0014] In the scheme, the heat-reflecting coating is arranged on the side of the heat insulation plate facing the metal heat-conducting plate, so that heat is reflected to the metal heat-conducting plate again, improving the heat efficiency.
[0015] Preferably, the mixing tank is provided with a stirring device.
[0016] In the scheme, the stirring device is arranged in the mixing tank, so that the mixture of edible oil and water is more uniformly stirred, the phenomenon of water and oil stratification is prevented, and the oil smoke generated by smoke is closer to cooking oil stains.
[0017] Preferably, the driving member is a reversing motor.
[0018] In the present scheme, a reversing motor is adopted, the reversing motor drives the rotating rod to rotate reversely at a low speed, so that the impeller rotates reversely, and the oil fume generated by smoking is preferentially attached to the inner side of the blade of the impeller, thereby solving the problem that the artificial coating of oil stains is not uniform, which is inconsistent with the fact that the inner side of the blade of the real impeller is more dirty than the outer side, and achieving the effect of simulating the distribution of oil stains in the real scene.
[0019] Preferably, the preparation device further comprises an aging bin, a second rotating rod is arranged in the aging bin, the second rotating rod is in communication with the driving motor, and a plurality of ultraviolet lamps of different wavelengths are installed on the inner wall of the aging bin.
[0020] In the present scheme, the aging bin is arranged, the impeller in the smoking bin that has adsorbed oil fume can be transferred to the aging bin for batch aging, so as to improve the combination ability of the oil fume on the surface of the impeller and the impeller, a second rotating rod is arranged in the aging bin, the second rotating rod is in communication with the driving motor, and a plurality of ultraviolet lamps of different wavelengths are installed on the inner wall of the aging bin, so that the impeller can rotate in the aging bin, different positions of the impeller can receive irradiation of different ultraviolet lamps, the aging of the oil stains on the surface of the impeller is more uniform, and an oil stain impeller meeting the test requirements can be obtained.
[0021] Preferably, the inner wall of the aging bin is a light-reflecting surface.
[0022] In the present scheme, the inner wall of the aging bin is arranged as a light-reflecting surface, the light-reflecting surface can reflect the ultraviolet light emitted by the ultraviolet lamp twice, the ultraviolet light is used twice, and the aging efficiency is improved.
[0023] Preferably, a wind supplementing port is arranged on one side wall of the smoking cavity; and / or, an exhaust pipe is arranged on the top of the smoking cavity.
[0024] In the present scheme, the wind supplementing port is arranged on one side wall of the smoking cavity, so that the incoming air from the outside can make the oil fume emitted in the smoking cavity diffuse quickly and be attached to the impeller quickly; and the exhaust pipe is arranged on the top of the smoking cavity, so that the excess smoke can be discharged from the smoking cavity, and the pressure in the smoking cavity is maintained stable.
[0025] The positive progress effect of the utility model lies in: through setting up the heat conduction plate between the smoke generating cavity and the heating cavity, the heating device is arranged in the heating cavity, the heat of the heating device can be transmitted on the metal heat conduction plate, the metal heat conduction plate has higher temperature, the first rotating rod and the oil nozzle are arranged in the smoke generating cavity, the impeller to be made is placed on the first rotating rod, the oil nozzle is arranged below the impeller and is towards the metal heat conduction plate, the oil nozzle is communicated with the mixing tank through the pumping device, the mixture of edible oil and water is added in the mixing tank, is delivered to the oil nozzle through the pumping device, the oil nozzle scatters the mixture of edible oil and water to the metal heat conduction plate, the smoke is generated under the heating action of the metal heat conduction plate, the flue gas moves upwards and is attached on the impeller, the above-mentioned device can more truly simulate that the oil fume produced in cooking is attached on the impeller, can produce the oil-stained impeller in large quantities, so as to satisfy the test requirement. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 It is the structure schematic view of the smoke generating bin of an embodiment of the utility model.
[0027] Figure 2 It is the sectional view of the smoke generating bin of an embodiment of the utility model in a direction.
[0028] Figure 3 It is the sectional view of the smoke generating bin of an embodiment of the utility model in another direction.
[0029] Figure 4 It is the installation schematic view of the heating pipe.
[0030] Figure 5 It is the structure schematic view of the aging bin.
[0031] Figure 6 It is the sectional view of the aging bin in a direction.
[0032] Figure 7 It is the sectional view of the aging bin in another direction.
[0033] BRIEF DESCRIPTION OF DRAWINGS
[0034] Smoke generating bin 1
[0035] Smoke generating cavity 2
[0036] Heating cavity 3
[0037] Metal heat conduction plate 4
[0038] First rotating rod 5
[0039] Oil nozzle 6
[0040] Impeller 7
[0041] Mixing tank 8
[0042] Pumping device 9
[0043] S-shaped heating element 10
[0044] Insulation board 11
[0045] Reverse motor 12
[0046] Aging chamber 13
[0047] Second rotating rod 14
[0048] Reverse motor 15
[0049] 16 UV lamps
[0050] Air inlet 17
[0051] 18 exhaust pipes Detailed Implementation
[0052] The present invention will be described more clearly and completely below with reference to the accompanying drawings, using a preferred embodiment.
[0053] This utility model provides a device for preparing an oil-stained impeller 7, which includes a smoke-generating chamber 1, such as... Figures 1-3 As shown, the smoke-generating chamber 1 includes a smoke-generating chamber 2 and a heating chamber 3. A heat-conducting plate is provided between the smoke-generating chamber 2 and the heating chamber 3. A first rotating rod 5 and an oil injector 6 are provided inside the smoke-generating chamber 2. Several impellers 7 are placed on the first rotating rod 5. The first rotating rod 5 is connected to a driving component. The oil injector 6 is located below the impellers 7 and faces the heat-conducting plate. A heating device is provided inside the heating chamber 3. A mixing tank 8 containing oil and water is provided below the heating chamber 3. The mixing tank 8 is connected to the oil injector 6 through a pumping device 9. A heat-conducting plate is installed between the smoke-generating chamber 2 and the heating chamber 3. A heating device is installed inside the heating chamber 3, and the heat from the heating device is transferred to the metal heat-conducting plate 4, resulting in a high temperature on the plate. A first rotating rod 5 and an oil nozzle 6 are installed inside the smoke-generating chamber 2. The impeller 7 to be manufactured is placed on the first rotating rod 5. The oil nozzle 6 is positioned below the impeller 7 and faces the metal heat-conducting plate 4. The oil nozzle 6 is connected to a mixing tank 8 via a pumping device 9. A mixture of edible oil and water is added to the mixing tank 8 and pumped to the oil nozzle 6. The oil nozzle 6 sprays the mixture of edible oil and water onto the metal heat-conducting plate 4. Under the heating effect of the metal heat-conducting plate 4, smoke is generated. The smoke rises and adheres to the impeller 7. This device can more realistically simulate the oil fumes produced during cooking adhering to the impeller 7, enabling the mass production of oil-stained impellers 7 to meet testing requirements. The oil-stained impeller in this invention refers to an impeller with attached oil stains used for testing oil stain cleaning agents and the performance of range hoods in oily conditions.
[0054] The equipment for preparing the oil-contaminated impeller 7 also includes an aging chamber 13, such as... Figures 5-7As shown, the aging bin 13 is provided with a second rotating rod 14, the second rotating rod 14 is communicated with the driving motor, and a plurality of ultraviolet lamps 16 of different wavelengths are installed on the inner wall of the aging bin 13. By setting the aging bin 13, the impeller 7 in the smoke generating bin 1 can be transferred to the aging bin 13 for batch aging to improve the ability of the oil fume on the surface of the impeller 7 to combine with the impeller 7. The second rotating rod 14 is provided in the aging bin 13, the second rotating rod 14 is communicated with the driving motor, and a plurality of ultraviolet lamps 16 of different wavelengths are installed on the inner wall of the aging bin 13, so that the impeller 7 can rotate in the aging bin 13, and different positions of the impeller 7 can receive irradiation of different ultraviolet lamps 16, ensuring that the oil stain on the surface of the impeller 7 is aged more uniformly, thereby obtaining an oil stain impeller 7 that meets the test requirements. In order to facilitate operation, the aging bin 13 is arranged close to the smoke generating bin 1, that is, the aging bin 13 is arranged beside the smoke generating bin 1, and after the impeller 7 in the smoke generating bin 1 is attached with oil fume, it is convenient to transfer to the aging bin 13 for aging. Of course, in other embodiments, due to the limitation of site and other factors, the aging bin 13 and the smoke generating bin 1 are arranged separately, as long as the impeller 7 can be transferred from the smoke generating bin 1 to the aging bin 13. As shown, three ultraviolet lamps 16 are arranged on the inner side wall of the top of the smoke generating bin 1, the wavelengths of the three ultraviolet lamps 16 are 254nm, 312nm and 365nm respectively, and the impeller 7 on the first rotating shaft is rotated to dynamically receive irradiation of the three ultraviolet lamps of different wavelengths. Of course, in other embodiments, a plurality of ultraviolet lamps of different wavelengths can be arranged according to actual needs. As for the position of the ultraviolet lamp, it can be arranged at a position capable of irradiating a plurality of impellers 7.
[0055] As Figure 4 The heating device is an S-shaped heating pipe 10, which is arranged on the side of the metal heat conduction plate 4 away from the smoke generating cavity 2. The S-shaped heating pipe 10 is arranged on the side of the metal heat conduction plate 4 away from the smoke generating cavity 2, so that the S-shaped heating pipe 10 can uniformly transfer heat to the metal heat conduction plate 4. Of course, in other embodiments, the heating device can also use a heating plate, which is arranged on the side of the metal heat conduction plate 4 away from the smoke generating cavity 2, for transferring heat to the metal heat conduction plate 4, and heating the mixture of water and edible oil on the metal heat conduction plate 4, thereby achieving the effect of smoke generation.
[0056] As Figures 2-3The plurality of oil nozzles 6 are evenly distributed along the length direction of the metal heat-conducting plate 4. The plurality of oil nozzles 6 are arranged and evenly distributed along the length direction of the heat-conducting plate, so that the mixture of oil and water is more evenly sprayed to the metal heat-conducting plate 4, thereby enabling the metal heat-conducting plate 4 to better generate smoke. The pumping device 9 is a delivery pump. The mixture of edible oil and water is pumped into the main pipeline by the delivery pump, delivered to the plurality of oil nozzles 6 through the branch pipelines, evenly sprayed to the metal heat-conducting plate 4 through the plurality of oil nozzles 6, and heated by the metal heat-conducting plate 4 to generate smoke, as shown in Figure 2 In this embodiment, four oil nozzles 6 are arranged along the length direction of the metal heat-conducting plate 4. Of course, in other embodiments, the number of oil nozzles 6 can be adjusted according to the length of the metal heat-conducting plate 4.
[0057] As shown in Figures 2-3 The bottom of the heating cavity 3 is further provided with a heat insulation plate 11. The heat insulation plate 11 is arranged at the bottom of the heating cavity 3, which can insulate the heating cavity 3 from the mixing tank 8 and prevent heat dissipation, so that as much heat as possible is transferred to the metal heat-conducting plate 4. The side of the heat insulation plate 11 facing the metal heat-conducting plate 4 is provided with a heat-reflecting coating. The heat is reflected again towards the metal heat-conducting plate 4, improving the thermal efficiency.
[0058] The mixing tank 8 is provided with a stirring device. The stirring device is arranged in the mixing tank 8, which can make the mixture of edible oil and water more uniform through stirring, prevent the phenomenon of water and oil stratification, and make the generated oil fume closer to cooking oil stains.
[0059] In this embodiment, the driving member is a reversing motor 15. The reversing motor 15 drives the rotating rod to rotate in reverse at a low speed, so that the impeller 7 rotates in reverse, and the generated oil fume is preferentially attached to the inner side of the blades of the impeller 7, solving the problem that manual application of oil stains is not uniform and inconsistent with the fact that the inner side of the blades of the impeller 7 is more oily than the outer side, and achieving the effect of simulating the distribution of oil stains in a real scenario.
[0060] The inner wall of the aging chamber 13 is a light-reflecting surface. The inner wall of the aging chamber 13 is arranged as a light-reflecting surface, which can reflect the ultraviolet light emitted by the ultraviolet lamp tube 16 twice, realize secondary use of the ultraviolet light, and improve the aging efficiency.
[0061] As shown in Figures 1-2 A side wall of the smoke generating cavity 2 is provided with an air supplementing opening 17; and / or, the top of the smoke generating cavity 2 is provided with an exhaust pipe 18. The air supplementing opening 17 is arranged on one side wall of the smoke generating cavity 2, so that the incoming air from the outside can make the generated oil fume in the smoke generating cavity 2 quickly diffuse and be quickly attached to the impeller 7; the exhaust pipe 18 is arranged at the top of the smoke generating cavity 2, so that the excess smoke can be discharged out of the smoke generating cavity 2 and the pressure in the smoke generating cavity 2 is maintained stable.
[0062] Although the specific embodiments of the present application are described above, those skilled in the art should understand that this is only an example, the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, but these changes and modifications all fall within the protection scope of the present application.
Claims
1. A device for preparing an oil-stained impeller, characterized in that, It includes: The smoking bin includes a smoking cavity and a heating cavity, a metal heat-conducting plate is arranged between the smoking cavity and the heating cavity, a first rotating rod and an oil nozzle are arranged in the smoking cavity, a plurality of impellers are placed on the first rotating rod, the first rotating rod is connected with a driving member, the oil nozzle is arranged below the impeller and faces the metal heat-conducting plate; a heating device is arranged in the heating cavity, a mixing tank is arranged below the heating cavity, and the mixing tank is communicated with the oil nozzle through a pumping device.
2. The oil-contaminated impeller production apparatus according to claim 1, wherein The heating device is an S-shaped heating pipe, which is arranged on the side of the metal heat-conducting plate away from the smoking cavity.
3. The oil-contaminated impeller production apparatus according to claim 2, wherein The oil nozzle is a plurality of, and a plurality of oil nozzles are uniformly distributed along the length direction of the metal heat-conducting plate.
4. The oil-contaminated impeller production apparatus according to claim 3, wherein The bottom of the heating cavity is further provided with a heat insulation plate.
5. The oil-contaminated impeller production apparatus according to claim 4, wherein The side of the heat insulation plate facing the metal heat-conducting plate is provided with a heat-reflecting coating.
6. The oil-contaminated impeller production apparatus according to claim 1, wherein The mixing tank is provided with a stirring device.
7. The oil-contaminated impeller production apparatus according to claim 1, wherein The driving member is a reverse motor.
8. The oil-contaminated impeller production apparatus according to claim 1, wherein The preparation equipment further includes an aging bin, a second rotating rod is arranged in the aging bin, the second rotating rod is communicated with a driving motor, and a plurality of ultraviolet lamps of different wavelengths are installed on the inner wall of the aging bin.
9. The oil-contaminated impeller production apparatus according to claim 8, wherein The inner wall of the aging bin is a light-reflecting surface.
10. The oil-contaminated impeller production apparatus according to claim 1, wherein A side wall of the smoking cavity is provided with an air supplementing port; and / or, a top of the smoking cavity is provided with an exhaust pipe.