A dishwasher oil-water separation mechanism

Abstract

The utility model relates to oil-water separation technical field, especially an oil-water separation mechanism of dish washer. The utility model has the advantages of: through sewage inlet pipe, oil-containing sewage is injected into the position between the separation box and the overflow plate, after the water level reaches the position slightly higher than the top of the overflow plate, the water level signal is sent to the microcontroller by the float ball water level sensor, the control signal is sent to the electromagnetic drain valve based on the preset threshold value of the microcontroller, the electromagnetic drain valve is opened, the bottom drainage is realized, the water level is kept at the top of the overflow plate through the input and output of sewage, the overflow oil discharge is realized, then after the sewage is discharged, the water level signal is sent to the microcontroller by the float ball water level sensor when the water level is lower than the preset water level, the servo air pump is controlled to supply air to the telescopic air bag, the telescopic air bag lifts the sliding bottom plate, the water level is lifted to the preset water level, along with the actual water level falling, the sliding bottom plate is continuously pushed up, so that the complete overflow sewage discharge is realized in the process of sewage discharge.

Description

Technical Field

[0001] This utility model relates to the field of oil-water separation technology, and in particular to an oil-water separation mechanism for a dishwasher. Background Technology

[0002] With the improvement of people's living standards and the increasing demand for automation in the catering industry, dishwashers are becoming more and more widely used. Dishwashers significantly improve the efficiency of dishwashing through efficient cleaning programs, save labor costs, and reduce water waste. However, dishwashers produce mixed wastewater containing oil and food residue during operation. If discharged directly, this can easily cause sewer blockages, pollute the environment, and increase the burden on wastewater treatment.

[0003] Most dishwashers currently use overflow separation mechanisms that rely on the physical property that "oil is lighter and water is heavier" to separate oil and water. However, the current overflow separation mechanism has a simple structure and a fixed water tank depth. This means that once the water level drops below the overflow plate, separation can no longer occur, thus failing to fully separate oil and water. Moreover, relying solely on the water flow to overflow and separate floating oil is slow and inefficient. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide an oil-water separation mechanism for a dishwasher, which effectively solves the deficiencies of the prior art.

[0005] To achieve the above objectives, one embodiment of this utility model provides an oil-water separation mechanism for a dishwasher, including a separation chamber. An overflow plate is fixedly connected to one side of the inner wall of the separation chamber, and a guide plate is fixedly connected to one side of the top of the overflow plate. A sliding base plate is slidably connected to one side of the inner wall of the separation chamber, and the sliding base plate is slidably connected to both one side of the inner wall of the separation chamber and one side of the overflow plate. A sealing ring is fixedly connected to the edge of the sliding base plate, and the sliding base plate is slidably connected to the inner wall of the separation chamber and the overflow plate through the sealing ring. A telescopic airbag is fixedly connected to the bottom surface of the inner wall of the separation chamber at a position corresponding to the bottom surface of the sliding base plate. The top of the telescopic airbag is fixedly connected to the bottom surface of the sliding base plate. An air inlet pipe is fixedly connected to the center of one side of the bottom surface of the separation chamber, and a one-way air inlet valve is fixedly connected to the output end of the air inlet pipe. The air inlet pipe communicates with the interior of the telescopic airbag through the one-way air inlet valve. A servo air pump is fixedly connected to one side of the outer wall of the separation chamber. The pump's output end is fixedly connected to and communicates with the input end of the air inlet pipe. An electromagnetic exhaust valve is fixedly connected to one side of the bottom surface of the separation box. The input end of the electromagnetic exhaust valve is connected to the interior of the telescopic air bladder. A drain hole is opened in the middle of one side of the top surface of the sliding base plate. A corrugated telescopic pipe is fixedly connected to the bottom surface of the sliding base plate at the position corresponding to the drain hole. An electromagnetic drain valve is fixedly connected to one side of the bottom surface of the separation box. The output end of the corrugated telescopic pipe is fixedly connected to and communicates with the input end of the electromagnetic drain valve. A float water level sensor is fixedly connected to the inner wall of the separation box on the side corresponding to the sliding base plate. A microcontroller is also fixedly connected to the outer wall of the separation box. The signal output end of the float water level sensor is electrically connected to the signal input end of the microcontroller. The signal output end of the microcontroller is electrically connected to the signal input ends of the servo air pump, the electromagnetic exhaust valve, and the electromagnetic drain valve. A sewage inlet pipe is fixedly connected to the center of the top of one side of the separation box near the sliding base plate.

[0006] Preferably, in any of the above embodiments, a plurality of air nozzles are fixedly connected to the top of the side of the separation tank near the sewage inlet pipe. The plurality of air nozzles extend through the inner wall of the separation tank and correspond to the top of the guide plate. The input ends of the plurality of air nozzles are fixedly connected to a connecting pipe. An air supply pump is fixedly connected to one side of the outer wall of the separation tank. The output end of the air supply pump is fixedly connected to and communicates with the input end of the connecting pipe. The distribution length of the plurality of air nozzles is adapted to the width of the inner wall of the separation tank.

[0007] The technical effect achieved by the above scheme is that the floating oil on the water surface flows rapidly toward the overflow plate under the blowing of the airflow, thereby improving the efficiency of the separation flow.

[0008] Preferably, one side of the separation box away from the sliding bottom plate has a suction hole, and a receiving box is slidably connected to the inner wall of the suction hole. The receiving box is located between the side of the overflow plate away from the sliding bottom plate and the inner wall of the separation box. The top surface of the receiving box is located at the bottom of the bottom surface of the guide plate. The length of the receiving box is adapted to the width of the inner wall of the separation box, and the width of the receiving box is adapted to the distance between the side of the overflow plate away from the sliding bottom plate and the inner wall of the separation box.

[0009] The technical effect achieved by adopting the above solution is that the oil can fall completely into the inside of the receiving box, thus achieving collection.

[0010] Preferably, in any of the above embodiments, a support plate is fixedly connected to both edges of the bottom surface of the separation box, and the bottom of the support plate is lower than the bottom of the air inlet pipe, the electromagnetic drain valve and the electromagnetic exhaust valve.

[0011] The technical effect achieved by adopting the above solution is that by using this solution, the bottom of the electromagnetic drain valve can have a pipe connection space, while preventing the air inlet pipe from being compressed.

[0012] Preferably, in any of the above schemes, the maximum extension length of the corrugated telescopic tube and the telescopic airbag is greater than the height of the overflow plate.

[0013] The technical effect achieved by adopting the above solution is that by using this solution, the telescopic airbag can completely push the sliding bottom plate to the top of the overflow plate, which can keep the water surface at the top of the overflow plate and achieve complete overflow separation.

[0014] Preferably, in any of the above schemes, the signal output terminal of the microcontroller is also electrically connected to the control signal input terminal of the air supply pump, and the signal input terminal of the microcontroller is also connected to the power on / off signal output terminal of the dishwasher.

[0015] The technical effect achieved by adopting the above solution is that, by inputting the power on / off signal, the microcontroller can simultaneously turn on the air supply pump and turn off the air supply pump by inputting the power off signal.

[0016] This utility model has the following advantages:

[0017] 1. The oil-water separation mechanism of this dishwasher injects oily wastewater into the space between the separation tank and the overflow plate through the wastewater inlet pipe. After the water level reaches a position slightly higher than the top of the overflow plate, the float water level sensor sends a water level signal to the microcontroller. Based on the preset threshold of the microcontroller, a control signal is sent to the electromagnetic drain valve to open the electromagnetic drain valve, realizing bottom drainage. Through the entry and exit of wastewater, the water level is maintained at the top of the overflow plate, realizing overflow and oil discharge. After the wastewater is discharged, the water level drops. When it falls below the preset water level, the float water level sensor sends a water level signal to the microcontroller, which then controls the servo air pump to supply air to the telescopic airbag. The telescopic airbag lifts the sliding bottom plate, thereby raising the water level to the preset water level. In this way, as the actual water level falls, the sliding bottom plate is continuously pushed up, so that the wastewater can be completely overflowed and discharged during the discharge process, achieving thorough overflow separation and improving the separation effect.

[0018] 2. The oil-water separation mechanism of this dishwasher injects airflow into the connecting pipe through an air pump. The airflow can output airflow to the sewage flow inside the separation tank through several jet nozzles. The floating oil on the water surface flows quickly towards the overflow plate under the blowing of the airflow, thereby improving the efficiency of separation flow. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a top view of the structure of this utility model;

[0021] Figure 3 This utility model Figure 2 Schematic diagram of the cross-sectional structure at point AA;

[0022] Figure 4 This is a schematic diagram of the control framework structure of this utility model.

[0023] In the diagram: 1-Separation box, 2-Sliding base plate, 3-Air inlet pipe, 4-Servo air pump, 5-Float water level sensor, 6-Guide plate, 7-Pull hole, 8-Receiver box, 9-Support plate, 10-Air nozzle, 11-Sewage inlet pipe, 12-Air supply pump, 13-Connecting pipe, 14-Drain hole, 15-Sealing ring, 16-Telescopic airbag, 17-Electromagnetic exhaust valve, 18-Corrugated telescopic pipe, 19-Electromagnetic drain valve, 20-Overflow plate. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the following description.

[0025] like Figures 1 to 4As shown, an oil-water separation mechanism for a dishwasher includes a separation chamber 1. An overflow plate 20 is fixedly connected to one side of the inner wall of the separation chamber 1, and a guide plate 6 is fixedly connected to one side of the top of the overflow plate 20. A sliding base plate 2 is slidably connected to one side of the inner wall of the separation chamber 1, and the sliding base plate 2 is slidably connected to both the inner wall of the separation chamber 1 and one side of the overflow plate 20. A sealing ring 15 is fixedly connected to the edge of the sliding base plate 2, and the sliding base plate 2 is slidably connected to the inner wall of the separation chamber 1 and the overflow plate 20 through the sealing ring 15. A telescopic airbag 16 is fixedly connected to the bottom surface of the inner wall of the separation chamber 1 at a position corresponding to the bottom surface of the sliding base plate 2. The top of the telescopic airbag 16 is fixedly connected to the bottom surface of the sliding base plate 2. An air inlet pipe 3 is fixedly connected to the center of one side of the bottom surface of the separation chamber 1, and a one-way air inlet valve is fixedly connected to the output end of the air inlet pipe 3. The air inlet pipe 3 is connected to the inside of the telescopic airbag 16 through the one-way air inlet valve. A servo air pump 4 is fixedly connected to one side of the outer wall of the separation chamber 1, and the output end of the servo air pump 4 is connected to the air inlet pipe 3. The input end is fixedly connected and communicated. An electromagnetic exhaust valve 17 is fixedly connected to one side of the bottom surface of the separation box 1. The input end of the electromagnetic exhaust valve 17 is connected to the inside of the telescopic airbag 16. A drain hole 14 is opened in the middle of one side of the top surface of the sliding base plate 2. A corrugated telescopic tube 18 is fixedly connected to the bottom surface of the sliding base plate 2 at the position corresponding to the drain hole 14. An electromagnetic drain valve 19 is fixedly connected to one side of the bottom surface of the separation box 1. The output end of the corrugated telescopic tube 18 is fixedly connected to the input end of the electromagnetic drain valve 19 and communicates with it. A float water level sensor 5 is fixedly connected to the inner wall of the separation box 1 on the side corresponding to the sliding base plate 2. A microcontroller is also fixedly connected to the outer wall of the separation box 1. The signal output end of the float water level sensor 5 is electrically connected to the signal input end of the microcontroller. The signal output end of the microcontroller is electrically connected to the signal input ends of the servo air pump 4, the electromagnetic exhaust valve 17 and the electromagnetic drain valve 19. A sewage inlet pipe 11 is fixedly connected to the center of the top of one side of the separation box 1 near the sliding base plate 2.

[0026] As an optional technical solution of this utility model, a number of jet nozzles 10 are fixedly connected to the top of the side of the separation box 1 near the sewage inlet pipe 11. The jet nozzles 10 all penetrate into the inner wall of the separation box 1 and correspond to the top of the guide plate 6. The input ends of the jet nozzles 10 are fixedly connected to a connecting pipe 13. An air supply pump 12 is fixedly connected to one side of the outer wall of the separation box 1. The output end of the air supply pump 12 is fixedly connected to and communicates with the input end of the connecting pipe 13. The distribution length of the jet nozzles 10 is adapted to the width of the inner wall of the separation box 1. Airflow is injected into the connecting pipe 13 by the air supply pump 12. The airflow can output airflow to the sewage flow on the inner wall of the separation box 1 through the jet nozzles 10. The floating oil on the water surface flows quickly towards the overflow plate 20 under the blowing of the airflow, thereby improving the efficiency of separation flow.

[0027] As an optional technical solution of this utility model, a suction hole 7 is provided on one side of the separation box 1 away from the sliding bottom plate 2. A receiving box 8 is slidably connected to the inner wall of the suction hole 7. The receiving box 8 is located between the side of the overflow plate 20 away from the sliding bottom plate 2 and the inner wall of the separation box 1. The top surface of the receiving box 8 is located at the bottom of the bottom surface of the guide plate 6. The length of the receiving box 8 is adapted to the width of the inner wall of the separation box 1. The width of the receiving box 8 is adapted to the distance between the side of the overflow plate 20 away from the sliding bottom plate 2 and the inner wall of the separation box 1. The separated oil is guided to the top of the receiving box 8 through the guide plate 6, so that the oil can fall completely into the interior of the receiving box 8 for collection.

[0028] As an optional technical solution of this utility model, support plates 9 are fixedly connected to both sides of the bottom surface of the separation box 1. The bottom of the support plate 9 is lower than the bottom of the air inlet pipe 3, the electromagnetic drain valve 19 and the electromagnetic exhaust valve 17, so that the bottom of the electromagnetic drain valve 19 has a pipe connection space, while preventing the air inlet pipe 3 from being compressed.

[0029] As an optional technical solution of this utility model, the maximum extension length of the corrugated telescopic tube 18 and the telescopic airbag 16 is greater than the height of the overflow plate 20, so that the telescopic airbag 16 can completely push the sliding base plate 2 to the top of the overflow plate 20, so that the water surface can be kept at the top of the overflow plate 20, achieving complete overflow separation.

[0030] As an optional technical solution of this utility model, the signal output terminal of the microcontroller is also electrically connected to the control signal input terminal of the air supply pump 12, and the signal input terminal of the microcontroller is also connected to the power on / off signal output terminal of the dishwasher. By inputting the power on / off signal, the microcontroller can simultaneously turn on the air supply pump 12 and turn off the air supply pump 12 by the power off signal.

[0031] The oil-water separation mechanism of this dishwasher requires the following steps to use:

[0032] 1) Oily wastewater is injected into the space between the separator 1 and the overflow plate 20 through the wastewater inlet pipe 11;

[0033] 2) After the water level reaches a position slightly higher than the top of the overflow plate 20, the float water level sensor 5 sends the water level signal to the microcontroller, and sends a control signal to the electromagnetic drain valve 19 and the air supply pump 12 based on the preset threshold of the microcontroller.

[0034] 3) Open the electromagnetic drain valve 19 to drain the bottom. The water level is kept at the top of the overflow plate 20 by the inflow and outflow of sewage, so as to achieve overflow and oil discharge. At the same time, the air pump 12 injects air into the connecting pipe 13. The air can output air to the sewage flow inside the separation tank 1 through several jet nozzles 10. The floating oil on the water surface flows quickly towards the overflow plate 20 under the blowing of the air, thereby improving the efficiency of separation flow.

[0035] 4) The separated oil sludge is guided to the top of the receiving box 8 through the guide plate 6, so that the oil sludge falls into the interior of the receiving box 8 for collection;

[0036] 5) After the sewage is discharged, the water level drops and falls below the preset water level. The float water level sensor 5 sends the water level signal to the microcontroller, which then controls the servo air pump 4 to supply air to the telescopic airbag 16, so that the telescopic airbag 16 lifts the sliding base plate 2, thereby raising the water level to the preset water level. As the actual water level falls, the sliding base plate 2 is continuously pushed up, so that the sewage can achieve complete overflow discharge during the discharge process.

[0037] 6) After complete separation, the sliding base plate 2 pushes against the float water level sensor 5 and is raised to a position beyond the top of the overflow plate 20. Then, the microcontroller is triggered and sends a control signal to the servo air pump 4, the electromagnetic exhaust valve 17, and the electromagnetic drain valve 19, so that the servo air pump 4 is turned off. Then, the electromagnetic exhaust valve 17 is opened and the electromagnetic drain valve 19 is closed. Under the gravity of the sliding base plate 2, the telescopic airbag 16 is pressed down, so that the airflow is discharged from the electromagnetic exhaust valve 17, realizing the complete fall and reset of the sliding base plate 2.

[0038] In summary, oily wastewater is injected into the space between the separator 1 and the overflow plate 20 through the wastewater inlet pipe 11. Once the water level reaches a position slightly above the top of the overflow plate 20, the float level sensor 5 sends a water level signal to the microcontroller. Based on a preset threshold, the microcontroller sends a control signal to the electromagnetic drain valve 19, opening it to drain water from the bottom. The inflow and outflow of wastewater maintains the water level at the top of the overflow plate 20, achieving overflow and oil discharge. After the wastewater is drained, the water level drops below the preset level, and the float level sensor 5 sends a water level signal to the microcontroller. Then, the servo air pump 4 supplies air to the telescopic airbag 16, causing the telescopic airbag 16 to lift the sliding base plate 2, thereby raising the water level to the preset water level. As the actual water level falls, the sliding base plate 2 is continuously pushed up, so that the sewage can be completely overflowed and discharged during the discharge process, achieving thorough overflow separation and improving the separation effect. The air supply pump 12 injects air into the connecting pipe 13, and the air can output airflow to the sewage flow inside the separation tank 1 through several air jet nozzles 10. The floating oil on the water surface flows quickly towards the overflow plate 20 under the blowing of the airflow, thereby improving the separation flow efficiency.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An oil-water separation mechanism for a dishwasher, characterized in that: The system includes a separation chamber (1), an overflow plate (20) fixedly connected to one side of the inner wall of the separation chamber (1), a guide plate (6) fixedly connected to one side of the top of the overflow plate (20), a sliding base plate (2) slidably connected to one side of the inner wall of the separation chamber (1), the sliding base plate (2) being slidably connected to both the inner wall of the separation chamber (1) and one side of the overflow plate (20), a sealing ring (15) fixedly connected to the edge of the sliding base plate (2), and the sliding base plate (2) being slidably connected to the inner wall of the separation chamber (1) and the overflow plate (20) through the sealing ring (15). A telescopic airbag (16) is fixedly connected to the bottom surface of the inner wall of the box (1) at a position corresponding to the bottom surface of the sliding base plate (2). The top of the telescopic airbag (16) is fixedly connected to the bottom surface of the sliding base plate (2). An air inlet pipe (3) is fixedly connected to the center of one side of the bottom surface of the separation box (1). A one-way air inlet valve is fixedly connected to the output end of the air inlet pipe (3). The air inlet pipe (3) is connected to the inside of the telescopic airbag (16) through the one-way air inlet valve. A servo air pump (4) is fixedly connected to one side of the outer wall of the separation box (1). The output end of the servo air pump (4) is connected to the air inlet pipe (3). The input end is fixedly connected and communicated. An electromagnetic exhaust valve (17) is fixedly connected to one side of the bottom surface of the separation box (1). The input end of the electromagnetic exhaust valve (17) is connected to the inside of the telescopic airbag (16). A drain hole (14) is opened in the middle of one side of the top surface of the sliding base plate (2). A corrugated telescopic pipe (18) is fixedly connected to the bottom surface of the sliding base plate (2) at the position corresponding to the drain hole (14). An electromagnetic drain valve (19) is fixedly connected to one side of the bottom surface of the separation box (1). The output end of the corrugated telescopic pipe (18) is fixedly connected to the input end of the electromagnetic drain valve (19). The separation box (1) is fixedly connected and connected. A float water level sensor (5) is fixedly connected to the inner wall of the separation box (1) on the side corresponding to the sliding base plate (2). A microcontroller is also fixedly connected to the outer wall of the separation box (1). The signal output terminal of the float water level sensor (5) is electrically connected to the signal input terminal of the microcontroller. The signal output terminal of the microcontroller is electrically connected to the signal input terminal of the servo air pump (4), the electromagnetic exhaust valve (17), and the electromagnetic drain valve (19). A sewage inlet pipe (11) is fixedly connected to the center of the top of one side of the separation box (1) near the sliding base plate (2).

2. The oil-water separation mechanism of the dishwasher according to claim 1, characterized in that: The top of the separation box (1) near the sewage inlet pipe (11) is fixedly connected to several air nozzles (10). The air nozzles (10) all penetrate the inner wall of the separation box (1) and correspond to the top of the guide plate (6). The input ends of the air nozzles (10) are fixedly connected to a connecting pipe (13). An air supply pump (12) is fixedly connected to one side of the outer wall of the separation box (1). The output end of the air supply pump (12) is fixedly connected to and communicates with the input end of the connecting pipe (13). The distribution length of the air nozzles (10) is adapted to the width of the inner wall of the separation box (1).

3. The oil-water separation mechanism of the dishwasher according to claim 2, characterized in that: The separation box (1) has a draw hole (7) on one side away from the sliding bottom plate (2). A receiving box (8) is slidably connected to the inner wall of the draw hole (7). The receiving box (8) is located between the side of the overflow plate (20) away from the sliding bottom plate (2) and the inner wall of the separation box (1). The top surface of the receiving box (8) is located at the bottom of the bottom surface of the guide plate (6). The length of the receiving box (8) is adapted to the width of the inner wall of the separation box (1). The width of the receiving box (8) is adapted to the distance between the side of the overflow plate (20) away from the sliding bottom plate (2) and the inner wall of the separation box (1).

4. The oil-water separation mechanism of the dishwasher according to claim 3, characterized in that: The bottom sides of the separation box (1) are fixedly connected to support plates (9). The bottom of the support plates (9) is lower than the bottom of the air inlet pipe (3), the electromagnetic drain valve (19) and the electromagnetic exhaust valve (17).

5. The oil-water separation mechanism of the dishwasher according to claim 4, characterized in that: The maximum extension length of the corrugated telescopic tube (18) and the telescopic airbag (16) is greater than the height of the overflow plate (20).

6. The oil-water separation mechanism of the dishwasher according to claim 5, characterized in that: The signal output terminal of the microcontroller is also electrically connected to the control signal input terminal of the air supply pump (12), and the signal input terminal of the microcontroller is also connected to the power on / off signal output terminal of the dishwasher.

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