Energy-saving kitchen fume collecting and purifying device

Abstract

The invention belongs to the technical field of oil fume purification equipment, and particularly relates to an energy-saving kitchen oil fume collecting and purifying device which comprises a box body, a filter plate is detachably mounted in the box body, an air inlet pipe is connected to the top of the box body, an exhaust fan is mounted at an inlet of the air inlet pipe, and an exhaust pipe located below the filter plate is connected to one side of the box body. An electric brush which is located above the filter plate and can move in the length direction of the filter plate is further arranged in the box body, and a cleaning liquid supply assembly is further arranged on the electric brush. According to the oil fume purification device, the exhaust fan sucks oil fume into the box body from the air inlet pipe, oil fume particles are filtered onto the filter plate, clean air can be exhausted from the exhaust pipe, and therefore the oil fume is purified; the electric brush is driven to move in the length direction of the filter plate when oil stains on the filter plate need to be cleaned; and then cleaning liquid is supplied to the cleaning brush through the cleaning liquid supply assembly, so that the cleaning brush can be used for cleaning the filter plate, the labor and time cost is saved, and the cleaning effect is better.

Description

Technical Field

[0001] The present invention relates to the technical field of oil fume purification equipment, and in particular to an energy-saving kitchen oil fume collection and purification device. Background Art

[0002] With the improvement of people's quality of life and growing awareness of environmental protection, the problem of kitchen fume pollution has received increasing attention. Traditional kitchen fume collection and purification devices have many drawbacks. First, the purification efficiency is low and they cannot effectively remove fine particles and harmful pollutants in the fume, resulting in the exhaust gas still polluting the environment. They also easily form oil accumulation around the kitchen, affecting the cleanliness of the kitchen and surrounding environment.

[0003] On the other hand, traditional systems are difficult to clean and maintain the filter plates. After long-term use, the filter plates accumulate a large amount of oil and dirt on their surfaces. If not cleaned promptly, this can seriously affect purification performance. However, existing cleaning methods often require manual removal of the filter plates for cleaning, which is not only labor-intensive and time-consuming, but also difficult to guarantee effective cleaning. Therefore, improvements have been developed to address this issue. Summary of the Invention

[0004] Based on the technical problems existing in the prior art, the present invention proposes an energy-saving kitchen fume collection and purification device.

[0005] The present invention proposes an energy-saving kitchen fume collection and purification device, which includes a box body, a filter plate detachably installed in the box body, an air intake pipe connected to the top of the box body, an exhaust fan installed at the inlet of the air intake pipe, an exhaust pipe located below the filter plate connected to one side of the box body, and an electric brush located above the filter plate and movable along the length direction of the filter plate is also provided in the box body, and a cleaning liquid supply assembly is also provided on the electric brush; the exhaust fan draws the fume into the box body from the air intake pipe, the fume particles are filtered onto the filter plate, and clean air is discharged from the exhaust pipe, thereby purifying the fume; when the oil stains on the filter plate need to be cleaned, the electric brush is driven to move along the length direction of the filter plate, and then the cleaning liquid is supplied to the cleaning brush through the cleaning liquid supply assembly, and the filter plate can be cleaned with the cleaning brush.

[0006] Preferably, the electric brush includes a mounting frame, a servo motor and a roller brush, the roller brush is rotatably connected to the mounting frame, the servo motor is fixed to the end of the mounting frame, and the output shaft of the servo motor is fixedly connected to the end of the roller brush; the roller brush is driven to rotate by the output shaft of the servo motor, so that the filter plate can be brushed during the movement.

[0007] Preferably, a guide rod and a screw distributed front and back are provided above the mounting bracket, the guide rod is fixedly connected to the box body, one end of the screw rod is rotatably connected to the box body, and the other end is fixedly connected to the output shaft of the first motor, the first motor is fixed to the box body, the guide rod is slidably connected to the mounting bracket, and the screw rod is threadedly connected to the mounting bracket; the screw rod is driven to rotate by the output shaft of the first motor, and under the limiting action of the guide rod on the mounting bracket, the mounting bracket can be driven to move laterally by the screw rod, so that the electric brush can move along the length direction of the filter plate.

[0008] Preferably, a sewage pipe is connected to the bottom of one side of the box, and a valve is installed on the sewage pipe; the sewage after cleaning will accumulate at the bottom of the box, and at this time the valve can be opened to discharge the sewage through the sewage pipe.

[0009] Preferably, a socket for inserting the filter plate is opened on one side of the box body, and guide rails for inserting the filter plate are fixed to the inner walls of the three sides of the box body respectively, and the filter plate is fixedly connected to the box body by bolts; the filter plate is inserted from the socket, and then inserted into the multiple guide rails until the filter plate is inserted into the multiple guide rails, so that the filter plate can be dragged, and finally the filter plate is fixed to the box body by bolts, and the installation of the filter plate can be completed, so that the filter plate is easy to disassemble and replace.

[0010] Preferably, the cleaning liquid supply assembly includes a nozzle fixed on the side of the mounting frame, a stirring box is fixed on one side of the box body, the water outlet of the stirring box is connected to the liquid outlet pipe through a micro pump, the nozzle is connected to the liquid outlet pipe through a hose, the top of the stirring box is connected to a water inlet pipe, and a cleaning agent injection assembly is also provided on the stirring box; first connect the water inlet pipe to the external water source, add enough cleaning agent into the cleaning agent injection assembly, then inject the cleaning agent into the stirring box through the cleaning agent injection assembly, inject water into the stirring box through the water inlet pipe, the water and the cleaning agent are mixed in the stirring box to form a cleaning liquid of a certain concentration, and then the micro pump draws the cleaning liquid into the liquid outlet pipe, the hose and the nozzle in sequence, and finally sprays it onto the filter plate, so that the cleaning liquid can be supplied in real time.

[0011] Preferably, the cleaning agent injection assembly includes a container with a lid connected to the top of the stirring box; in this way, the lid can be opened to add cleaning agent into the container, and the cleaning agent can be supplied in time during the cleaning process.

[0012] Preferably, a stirrer for stirring the cleaning liquid is installed in the stirring box; the cleaning agent and water can be mixed by the stirrer to form the cleaning liquid.

[0013] Preferably, an infrared oil pollution sensor fixed on the box body is provided below the filter plate, a turbidity sensor is fixed on the box body near the sewage outlet, a micro-pressure difference sensor is installed on the output shaft of the servo motor, a flow valve is installed on the container, an electromagnetic valve and a tee are installed on the water inlet pipe, an electromagnetic flowmeter is connected to the tee, and a control module is also fixed on one side of the box body; the infrared oil pollution sensor detects the transmittance of the filter plate in real time , turbidity sensor real-time detection of drainage turbidity NTU, micro pressure difference sensor real-time detection of electric brush axial pressure , the solenoid valve detects the actual water flow in real time ,Then the control module receives the information from the solenoid valve, turbidity sensor, infrared oil sensor and micro-pressure differential sensor for processing, and intelligently controls the cleaning process according to the preset program algorithm.

[0014] Preferably, the control flow of the cleaning process by the control module is as follows:

[0015] Triggering stage: Continuously monitor light transmittance through infrared oil sensor , when satisfied And when it lasts for 3 sampling cycles, the cleaning program is triggered.

[0016] Execution phase: The system works in the following order:

[0017] (1) Calculation of oil stain thickness ;

[0018] (2) Joint solution 、 、 ;

[0019] (3) Start PID closed-loop control;

[0020] Termination condition: When satisfied When the turbidity sensor reading is less than 15 NTU, the system enters the shutdown state.

[0021] Compared with the prior art, the present invention provides an energy-saving kitchen fume collection and purification device with the following beneficial effects:

[0022] 1. An energy-saving kitchen fume collection and purification device. This device uses an exhaust fan to suck the fume into the box, and uses a filter plate to filter the fume particles, thereby effectively purifying the fume. The exhausted air is cleaner, significantly reducing pollution to the environment.

[0023] 2. An energy-saving kitchen fume collection and purification device. The electric brush can move along the length of the filter plate and cooperate with the cleaning liquid supply component to automatically clean the filter plate. There is no need to manually disassemble the filter plate, saving manpower and time costs, and achieving better cleaning effects.

[0024] 3. An energy-saving kitchen fume collection and purification device. The control module receives feedback from infrared oil contamination sensors, turbidity sensors, micro-pressure differential sensors, and solenoid valves, and intelligently controls the cleaning process according to a pre-programmed algorithm. This device accurately determines the oil contamination level on the filter plate and rationally controls the cleaning process, ensuring effective cleaning while avoiding resource waste.

[0025] 4. An energy-saving kitchen fume collection and purification device, by optimizing the device structure and intelligent control, effectively reduces energy consumption while ensuring the purification effect, reduces the consumption of water resources and cleaning agents, and meets the requirements of energy conservation and environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of an energy-saving kitchen fume collection and purification device proposed by the present invention;

[0027] Figure 2 This is a schematic diagram of the overall structure of an energy-saving kitchen fume collection and purification device proposed by the present invention;

[0028] Figure 3 This is a schematic diagram of the internal structure of an energy-saving kitchen fume collection and purification device proposed by the present invention;

[0029] Figure 4 This is a schematic diagram of the internal structure of the box of an energy-saving kitchen fume collection and purification device proposed by the present invention;

[0030] Figure 5 This is a schematic diagram of the electric brush structure of an energy-saving kitchen fume collection and purification device proposed by the present invention;

[0031] Figure 6 This is a schematic diagram of the structure of a stirring box of an energy-saving kitchen fume collection and purification device proposed by the present invention;

[0032] Figure 7 For the present invention Figure 2 A is an enlarged structural diagram of FIG.

[0033] In the figure: 1. Box body; 2. Air inlet pipe; 3. Exhaust fan; 4. Filter plate; 5. Exhaust pipe; 6. Mounting bracket; 7. Servo motor; 8. Roller brush; 9. Guide rod; 10. Screw; 11. First motor; 12. Stirring box; 13. Micro pump; 14. Liquid outlet pipe; 15. Sprinkler; 16. Hose; 17. Container; 18. Flow valve; 19. Water inlet pipe; 20. Tee; 21. Electromagnetic flowmeter; 22. Solenoid valve; 23. Agitator; 24. Drain pipe; 25. Turbidity sensor; 26. Infrared oil sensor; 27. Micro differential pressure sensor; 28. Control module; 29. ​​Guide rail; 30. Socket. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0035] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0036] Reference Figure 1-Figure 7 An energy-saving kitchen fume collection and purification device includes a box body 1, a filter plate 4 is detachably installed in the box body 1, an air intake pipe 2 is connected to the top of the box body 1, an exhaust fan 3 is installed at the inlet of the air intake pipe 2, an exhaust pipe 5 located below the filter plate 4 is connected to one side of the box body 1, and an electric brush is also provided in the box body 1 and is located above the filter plate 4 and can move along the length direction of the filter plate 4. A cleaning liquid supply component is also provided on the electric brush;

[0037] During use, the exhaust fan 3 draws the oil smoke into the box body 1 from the air inlet pipe 2, the oil smoke particles are filtered onto the filter plate 4, and the clean air is discharged from the exhaust pipe 5, thereby purifying the oil smoke. When the oil stains on the filter plate 4 need to be cleaned, the electric brush is driven to move along the length direction of the filter plate 4, and then the cleaning liquid is supplied to the cleaning brush through the cleaning liquid supply assembly, and the filter plate 4 can be cleaned with the cleaning brush.

[0038] The electric brush includes a mounting frame 6, a servo motor 7 and a roller brush 8. The roller brush 8 is rotatably connected to the mounting frame 6. The servo motor 7 is fixed to the end of the mounting frame 6, and the output shaft of the servo motor 7 is fixedly connected to the end of the roller brush 8.

[0039] When in use, the roller brush 8 is driven to rotate by the output shaft of the servo motor 7, so that the filter plate 4 can be brushed during the movement.

[0040] Among them, a guide rod 9 and a screw rod 10 are provided above the mounting frame 6, the guide rod 9 is fixedly connected to the box body 1, one end of the screw rod 10 is rotatably connected to the box body 1, and the other end is fixedly connected to the output shaft of the first motor 11, the first motor 11 is fixed to the box body 1, the guide rod 9 is slidably connected to the mounting frame 6, and the screw rod 10 is threadedly connected to the mounting frame 6;

[0041] When in use, the screw 10 is driven to rotate by the output shaft of the first motor 11. Under the limiting effect of the guide rod 9 on the mounting bracket 6, the screw 10 can drive the mounting bracket 6 to move horizontally, so that the electric brush can move along the length direction of the filter plate 4.

[0042] Furthermore, a drain pipe 24 is connected to the bottom of one side of the box body 1, and a valve is installed on the drain pipe 24;

[0043] During use, the sewage after cleaning will gather at the bottom of the box body 1. At this time, the valve can be opened to discharge the sewage through the sewage pipe 24.

[0044] Among them, a socket 30 for inserting the filter plate 4 is opened on one side of the box body 1, and guide rails 29 for inserting the filter plate 4 are fixed on the inner walls of the three sides of the box body 1. The filter plate 4 is fixedly connected to the box body 1 by bolts;

[0045] When in use, the filter plate 4 is inserted from the socket 30, and then inserted into the plurality of guide rails 29, so that the filter plate 4 can be dragged, and finally the filter plate 4 is fixed to the box body 1 by bolts, and the installation of the filter plate 4 can be completed, so that the filter plate 4 is easy to disassemble and replace.

[0046] The cleaning liquid supply assembly includes a nozzle 15 fixed to the side of the mounting frame 6, a stirring box 12 is fixed to one side of the box body 1, the water outlet of the stirring box 12 is connected to the liquid outlet pipe 14 through a micro pump 13, the nozzle 15 is connected to the liquid outlet pipe 14 through a hose 16, and the top of the stirring box 12 is connected to the water inlet pipe 19. The stirring box 12 is also provided with a cleaning agent injection assembly;

[0047] During use, first connect the water inlet pipe 19 to the external water source, add enough detergent into the detergent injection assembly, then inject the detergent into the stirring box 12 through the detergent injection assembly, and inject water into the stirring box 12 through the water inlet pipe 19. After the water and detergent are mixed in the stirring box 12, a cleaning liquid of a certain concentration is formed. Then, the micro pump 13 draws the cleaning liquid into the liquid outlet pipe 14, the hose 16 and the nozzle 15 in sequence, and finally sprays it onto the filter plate 4, so that the cleaning liquid can be supplied in real time.

[0048] The cleaning agent injection assembly includes a container 17 with a lid connected to the top of the stirring box 12;

[0049] When in use, the lid can be opened and the cleaning agent can be added to the container 17, so that the cleaning agent can be supplied in time during the cleaning process.

[0050] Wherein, a stirrer 23 for stirring the cleaning liquid is installed in the stirring box 12;

[0051] When in use, the cleaning agent and water can be mixed by the stirrer 23 to form a cleaning liquid.

[0052] In another embodiment, an infrared oil sensor 26 fixed to the box body 1 is provided below the filter plate 4, a turbidity sensor 25 is fixed to the box body 1 near the sewage outlet, a micro-pressure differential sensor 27 is installed on the output shaft of the servo motor 7, a flow valve 18 is installed on the container 17, a solenoid valve 22 and a tee 20 are installed on the water inlet pipe 19, an electromagnetic flowmeter 21 is connected to the tee 20, and a control module 28 is also fixed to one side of the box body 1;

[0053] It should be noted that the control module 28 is an embedded controller (such as STM32 series) with an integrated data fusion algorithm. Therefore, the control module 28 is not specifically limited here and can be selected according to actual needs.

[0054] When in use, the infrared oil sensor 26 detects the transmittance of the filter plate 4 in real time. The turbidity sensor 25 detects the drainage turbidity NTU in real time, and the micro-pressure difference sensor 27 detects the axial pressure of the electric brush in real time. , solenoid valve 22 detects the actual water flow in real time , then the control module 28 receives the information from the solenoid valve 22, the turbidity sensor 25, the infrared oil sensor 26 and the micro-pressure difference sensor 27 for processing, and intelligently controls the cleaning process according to the preset program algorithm;

[0055] It should be noted that the axial pressure of the electric brush is detected in real time by the micro-pressure difference sensor 27. , used to dynamically correct the brushing speed :

[0056] when When the overload protection is triggered, the speed is reduced by 20%;

[0057] when When the brush is worn, the speed is increased by 15%.

[0058] Furthermore, the control flow of the cleaning process by the control module 28 is as follows:

[0059] Triggering stage: Continuously monitor light transmittance through infrared oil sensor 26 , when satisfied And when it lasts for 3 sampling cycles, the cleaning program is triggered.

[0060] Execution phase: The system works in the following order:

[0061] (1) Calculation of oil stain thickness ;

[0062] (2) Joint solution 、 、 ;

[0063] (3) Start PID closed-loop control:

[0064] -Water volume adjustment error ±0.3L / min

[0065] -Cleaning fluid concentration error ±0.2%

[0066] -Speed ​​control error ±50rpm

[0067] Termination condition: When satisfied When the reading of the turbidity sensor 25 is less than 15 NTU, the system enters the shutdown state.

[0068] Among them, the water regulation formula is:

[0069] Where, : Instantaneous water flow, : Water flow coefficient, : Oil stain thickness, : Effective area of ​​filter plate 4, : Basic traffic.

[0070] Among them, the cleaning fluid ratio formula is:

[0071] Where, : Cleaning fluid concentration, : Maximum concentration, : concentration attenuation coefficient.

[0072] Among them, the formula for scrubbing intensity is:

[0073] Where, : Electric brush speed, : Maximum speed, : Maximum oil stain thickness.

[0074] It should be understood that in the various embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0075] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0076] In the several embodiments provided in this application, it should be understood that the disclosed overall system, device and method can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the units is merely a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another overall system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0077] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0078] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0079] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. An energy-saving kitchen fume collection and purification device, comprising a box (1), characterized in that: A filter plate (4) is detachably mounted in the box (1), an air intake pipe (2) is connected to the top of the box (1), an exhaust fan (3) is mounted at the inlet of the air intake pipe (2), an exhaust pipe (5) located below the filter plate (4) is connected to one side of the box (1), and an electric brush is also provided in the box (1) and is located above the filter plate (4) and is movable along the length direction of the filter plate (4), and a cleaning liquid supply assembly is also provided on the electric brush.

2. The energy-saving kitchen fume collection and purification device according to claim 1, characterized in that: The electric brush comprises a mounting frame (6), a servo motor (7) and a roller brush (8), wherein the roller brush (8) is rotatably connected to the mounting frame (6), the servo motor (7) is fixed to the end of the mounting frame (6), and the output shaft of the servo motor (7) is fixedly connected to the end of the roller brush (8).

3. The energy-saving kitchen fume collection and purification device according to claim 2, characterized in that: A guide rod (9) and a screw rod (10) are arranged on the top of the mounting frame (6) and are distributed front and back. The guide rod (9) is fixedly connected to the box body (1). One end of the screw rod (10) is rotatably connected to the box body (1), and the other end is fixedly connected to the output shaft of the first motor (11). The first motor (11) is fixed to the box body (1). The guide rod (9) is slidably connected to the mounting frame (6), and the screw rod (10) is threadedly connected to the mounting frame (6).

4. The energy-saving kitchen fume collection and purification device according to claim 1, characterized in that: A sewage pipe (24) is connected to the bottom of one side of the box body (1), and a valve is installed on the sewage pipe (24).

5. The energy-saving kitchen fume collection and purification device according to claim 1, characterized in that: A socket (30) for inserting the filter plate (4) is provided on one side of the box body (1), and guide rails (29) for inserting the filter plate (4) are fixed to the inner walls of the three sides of the box body (1), respectively. The filter plate (4) is fixedly connected to the box body (1) by bolts.

6. The energy-saving kitchen fume collection and purification device according to claim 2, characterized in that: The cleaning liquid supply assembly includes a nozzle (15) fixed to the side of the mounting frame (6), a stirring box (12) is fixed to one side of the box body (1), a water outlet of the stirring box (12) is connected to a liquid outlet pipe (14) via a micro pump (13), the nozzle (15) is connected to the liquid outlet pipe (14) via a hose (16), a water inlet pipe (19) is connected to the top of the stirring box (12), and a cleaning agent injection assembly is also provided on the stirring box (12).

7. The energy-saving kitchen fume collection and purification device according to claim 6, characterized in that: The cleaning agent injection assembly comprises a container (17) with a lid connected to the top of the stirring box (12).

8. The energy-saving kitchen fume collection and purification device according to claim 6, characterized in that: The stirring box (12) is provided with a stirrer (23) for stirring the cleaning liquid.

9. The energy-saving kitchen fume collection and purification device according to claim 7, characterized in that: An infrared oil sensor (26) fixed to the box (1) is provided below the filter plate (4), a turbidity sensor (25) is fixed to the box (1) near the sewage outlet, a micro-pressure differential sensor (27) is installed on the output shaft of the servo motor (7), a flow valve (18) is installed on the container (17), an electromagnetic valve (22) and a three-way valve (20) are installed on the water inlet pipe (19), an electromagnetic flowmeter (21) is connected to the three-way valve (20), and a control module (28) is also fixed on one side of the box (1).

10. The energy-saving kitchen fume collection and purification device according to claim 9, characterized in that: The control flow of the cleaning process by the control module (28) is as follows: Triggering stage: Continuously monitor the light transmittance through the infrared oil sensor (26) , when satisfied And when it lasts for 3 sampling cycles, the cleaning program is triggered.

11. Execution phase: The system works in the following order: (1) Calculation of oil stain thickness ; (2) Joint solution 、 、 ; (3) Start PID closed-loop control; Termination condition: When satisfied When the reading of the turbidity sensor (25) is less than 15 NTU, the system enters the shutdown state.

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