Steam condensation structure of electric steaming furnace
Technical Field
The utility model relates to an electric steaming furnace, in particular to steam condensation structure of electric steaming furnace.
Background
The electric steam oven is a common cooking device, and when the existing electric steam oven is used for treating redundant steam, the redundant steam is basically directly exhausted into indoor air through an exhaust port on the machine body of the cooking device, but in the exhaust mode of the electric steam oven, the steam is diffused into indoor water drops through condensation, and the indoor wall, furniture and electrical equipment elements are affected with damp damage. To solve the above problems, chinese patent document No. CN108006718A discloses, on 5.8.2018, a steam microwave oven including: the cavity is provided with an exhaust port; the exhaust hood is arranged on the cavity and covers the exhaust port; the condenser is arranged on the cavity; the water receiving box is arranged below the condenser; the steam is discharged from the exhaust hood, passes through the condensing pipe and is cooled by the condenser to become liquid water, and then is discharged to the water receiving box from the condensing pipe; the condenser is used for cooling the steam in the condensation pipe, comprises a water storage tank and a water tank cover, and cools the steam in the condensation pipe through the water in the water tank. Although the scheme can avoid the situation that the water is evaporated and discharged into indoor air, the water in the water tank of the scheme is non-flowing water, the heat dissipation effect is poor in the process of condensing steam, the temperature of cooling water is easily overhigh, and the condensation effect is reduced.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steam condensation structure of electric steam oven that simple structure, cooling effect are good, save space, easy dismounting, practicality are strong to overcome the weak point among the prior art.
According to the steam condensation structure of this purpose design's an electric steamer, electric steamer includes cavity and the door body, its characterized in that: the steam condensation structure includes condenser, water pump, water tank and water receiving box, condenser, water pump and water tank set up in the top of cavity, and the water receiving box sets up in the bottom of cavity, the condenser includes condenser pipe and the circulative cooling sleeve pipe of cover outside the condenser pipe, and the condenser pipe communicates with inside, the water receiving box of cavity respectively, and water tank, water pump and circulative cooling sleeve pipe connect gradually, and circulative cooling sleeve pipe is connected with the water tank.
The top of the cavity is provided with a heat insulation plate, a fixing support is arranged on the heat insulation plate, the condenser is installed on the fixing support, the fixing support comprises a base and a pair of arc-shaped buckles which are symmetrically arranged, and the circulating cooling sleeve is clamped between the buckles; one end of the circulating cooling sleeve is provided with a lower water inlet, the other end of the circulating cooling sleeve is provided with an upper water outlet, the base is a slope-shaped plate body with the thickness gradually decreasing in opposite sides, the top of the base is an inclined plane, an included angle between the inclined plane and the horizontal plane is 8-12 degrees, and the buckle is arranged on the inclined plane so that the position of the upper water outlet is higher than that of the lower water inlet.
One side of the base, which is close to the lower water inlet, is a thin edge end, and one side of the base, which is far away from the lower water inlet, is a thick edge end.
Screw holes are formed in the two sides of the base, and the fixing support is fixed on the heat insulation plate through screws arranged on the screw holes.
The rear cavity wall of the cavity is provided with an exhaust port communicated with the interior of the cavity, the exhaust port is connected with an exhaust pipe, the air inlet end of the condensation pipe is connected with the exhaust pipe through a vent pipe, the outer bottom wall of the cavity is provided with a water outlet, the water outlet is positioned above the water receiving box, and the exhaust end of the condensation pipe is connected with the water outlet through a first water pipeline.
And a water outlet of the water pump is connected with the lower water inlet through a second water communication pipeline, and an upper water outlet is connected with a water tank water inlet of the water tank through a third water communication pipeline.
The heat insulation plate is fixed on the outer top plate of the cavity through a fastening element, the water pump and the water tank are fixed on the heat insulation plate through the fastening element, the water pump is arranged beside the water tank, and a water inlet of the water pump is connected with a water tank water outlet of the water tank through a fourth water pipeline.
The inlet end, the discharge end, lower water inlet, go up the delivery port, the blast pipe, the outlet, the water inlet of water pump, the delivery port of water pump, water tank water inlet and water tank delivery port are cylindrical, and the surface is smooth, vent pipe's both ends cup joint respectively on the inlet end, the blast pipe, first water pipeline's both ends cup joint respectively on the discharge end, on the outlet, second water pipeline's both ends cup joint respectively at the delivery port of water pump, on the lower water inlet, third water pipeline's both ends cup joint respectively at last delivery port, on the water tank water inlet, fourth water pipeline's both ends cup joint respectively at the water inlet of water pump, on the water tank delivery port.
The water receiving box is clamped on the outer bottom wall of the cavity through a clamping piece.
The condensation pipe and the circulating cooling sleeve are made of glass materials.
The utility model discloses a set up the condenser on electric steamer, a water pump, water tank and water receiving box, steam in the cavity becomes the comdenstion water after the condenser condensation, then arrange in the water receiving box, avoid during vapor directly discharges the indoor air, to indoor wall, furniture and electrical components cause the injury of weing, and simultaneously, this structure adopts recirculated cooling water's mode, the cooling water is at the condenser, circulation flow between water pump and the water tank, water in the water tank is in the state that flows always, can accelerate the cooling rate of cooling water in the water tank like this, it is lower to ensure to supply the temperature of the water in the recirculated cooling jacket pipe, the heat exchange efficiency of condenser has been improved, make the cooling effect of vapor better, furthermore, the cooling water can take place the heat dissipation at the water pipeline in-flow in-process, can further reduce the temperature of cooling water.
Drawings
Fig. 1 is a schematic view of an overall structure of an electric steaming oven according to an embodiment of the present invention.
Fig. 2 is a schematic view of the overall structure of the electric steaming stove in another direction according to an embodiment of the present invention.
Fig. 3 is a top view of an electric steaming oven according to an embodiment of the present invention.
Fig. 4 is a schematic view of an assembly structure of the condenser and the fixing bracket according to an embodiment of the present invention.
Fig. 5, 6 and 7 are sectional views of the assembling structure of the condenser and the fixing bracket in different orientations according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-7, this steam condensation structure of electric steam oven, electric steam oven include cavity a and the door body B, steam condensation structure includes condenser 4, water pump 8, water tank 7 and water receiving box 12, condenser 4, water pump 8 and water tank 7 set up in cavity a's top, water receiving box 12 sets up in cavity a's bottom, condenser 4 includes condenser pipe 4.6 and the circulative cooling sleeve 4.5 of cover in condenser pipe 4.6 outside, condenser pipe 4.6 respectively with cavity a inside, water receiving box 12 intercommunication, water tank 7, water pump 8 and circulative cooling sleeve 4.5 connect gradually, circulative cooling sleeve 4.5 is connected with water tank 7. When the electric steaming furnace works, redundant steam in the cavity A enters the condensing pipe 4.6 through the exhaust port 11 on the cavity A, meanwhile, the water pump 8 pumps cooling water in the water tank 7 into the circulating cooling sleeve 4.5, the cooling water soaks and surrounds the condensing pipe 4.6, the steam in the condensing pipe 4.6 is cooled, then the cooling water returns to the water tank 7 through the upper water outlet 4.3 of the circulating cooling sleeve 4.5 for recycling, after the steam in the condensing pipe 4.6 becomes condensed water, the condensed water is discharged into the water receiving box 12 at the bottom of the cavity A through the discharge end 4.1 of the condensing pipe 4.6 for collection, the structure can avoid that the steam is directly discharged into indoor air to cause damp damage to indoor walls, furniture and electrical components, meanwhile, the cooling water circularly flows among the condenser 4, the water pump 8 and the water tank 7, the water in the water tank 7 is always in a flowing state, and thus the cooling speed of the cooling water in the water tank 7 can be accelerated, the temperature of the water supplied to the recirculating cooling jacket 4.5 is ensured to be low, resulting in a better cooling of the water vapour. Solid arrows in fig. 3 indicate the flow direction of steam, and dotted arrows indicate the flow direction of cooling water.
The top of the cavity A is provided with a heat insulation plate 5, a fixing support 3 is arranged on the heat insulation plate 5, the condenser 4 is installed on the fixing support 3, the fixing support 3 comprises a base 3.2 and a pair of arc-shaped buckles 3.1 which are symmetrically arranged, a circulating cooling sleeve 4.5 is clamped between the buckles 3.1, and the buckles 3.1 are elastic buckles, so that the condenser 4 is convenient to install and disassemble; one end of the circulating cooling sleeve 4.5 is provided with a lower water inlet 4.2, the other end is provided with an upper water outlet 4.3, the base 3.2 is a slope-shaped plate body with the thickness decreasing in opposite sides, the top of the base is an inclined plane 3.3, the included angle between the inclined plane 3.3 and the horizontal plane is 10 degrees, and the buckle 3.1 is arranged on the inclined plane 3.3, so that the position of the upper water outlet 4.3 is higher than that of the lower water inlet 4.2. The connecting surface of the buckle 3.1 and the base 3.2 is an inclined surface 3.3, so that the condenser 4 can be obliquely fixed on the heat insulation plate 5 and forms an included angle of 10 degrees with the horizontal plane, on one hand, the space in the vertical direction is saved, meanwhile, the condensed water in the condenser pipe 4.6 can conveniently flow out of the condenser pipe 4.6 along the inclined surface, and the efficiency of discharging the condensed water is improved, on the other hand, when the electric steaming furnace stops working, even if the water pump 8 does not supply water, because the position of the upper water outlet 4.3 of the circulating cooling sleeve 4.5 is higher than the position of the lower water inlet 4.2, the cooling water in the circulating cooling sleeve 4.5 is converged at the lower water inlet 4.2 end with the lower horizontal position due to the gravity, the part of the condenser pipe 4, which is close to the lower water inlet 4.2, is completely soaked and surrounded by the cooling water, and the steam remained in the cavity A can be continuously cooled by the condenser 4 after the electric steaming furnace stops working; in addition, the condenser 4 is fixed on the fixed support 3 through the buckle 3.1, and the assembly is convenient.
One side of the base 3.2 close to the lower water inlet 4.2 is a thin edge end 3.6, and one side of the base 3.2 far away from the lower water inlet 4.2 is a thick edge end 3.4.
Screw holes 3.5 are formed in two sides of the base 3.2, and the fixing support 3 is fixed on the heat insulation plate 5 through screws arranged in the screw holes 3.5.
The rear cavity wall 9 of the cavity A is provided with an exhaust port 11 communicated with the interior of the cavity A, the exhaust port 11 is connected with an exhaust pipe 10, the air inlet end 4.4 of the condensation pipe 4.6 is connected with the exhaust pipe 10 through an air duct 13, the outer bottom wall 17 of the cavity A is provided with a water outlet 16, the water outlet 16 is positioned above the water receiving box 12, and the exhaust end 4.1 of the condensation pipe 4.6 is connected with the water outlet 16 through a first water duct 15. The water vapor in the cavity A sequentially passes through the exhaust port 11, the ventilation pipeline 13 and the air inlet end 4.4 to enter the condensation pipe 4.6, and after being cooled into condensed water, the water vapor in the condensation pipe 4.6 is discharged into the water receiving box 12 sequentially passes through the discharge end 4.1, the first water pipeline 15 and the water outlet 16. The drip box 12 is disposed below the drain opening 16 to receive condensed water.
The water outlet of the water pump 8 is connected with the lower water inlet 4.2 through the second water pipeline 1, and the upper water outlet 4.3 is connected with the water tank water inlet 7.2 of the water tank 7 through the third water pipeline 2; the heat insulation plate 5 is fixed on an outer top plate 18 of the cavity A through screws, the water pump 8 and the water tank 7 are fixed on the heat insulation plate 5 through screws, the evaporator water tank 6 is installed on the heat insulation plate 5, the water pump 8 and the evaporator water tank 6 are arranged beside the water tank 7, and a water inlet of the water pump 8 is connected with a water tank water outlet 7.1 of the water tank 7 through a fourth water pipeline 14. The water pump 8 pumps the cooling water in the water tank 7 to the circulating cooling sleeve 4.5 through the water tank water outlet 7.1, the fourth water through pipeline 14, the water inlet of the water pump 8, the water outlet of the water pump 8, the second water through pipeline 1 and the lower water inlet 4.2 in sequence, and the cooling water in the circulating cooling sleeve 4.5 flows back to the water tank 7 through the upper water outlet 4.3, the third water through pipeline 2 and the water tank water inlet 7.2 in sequence. The water tank 7 is installed on the heat insulating plate 5 of the outer side wall of the top of the cavity A, a user can conveniently open the water tank cover and add cooling water, in addition, the water tank 7 is fixed on the heat insulating plate 5 through screws, the water tank 7 is firmly installed on the heat insulating plate 5, the heat insulating plate 5 is also conveniently detached from the water tank, and the cooling water is convenient to clean and replace.
Air inlet 4.4, discharge end 4.1, lower water inlet 4.2, go up delivery port 4.3, blast pipe 10, outlet 16, the water inlet of water pump 8, the delivery port of water pump 8, water tank water inlet 7.2 and water tank delivery port 7.1 are cylindrical, and the surface is smooth, the both ends of air pipe 13 cup joint respectively at air inlet 4.4, on blast pipe 10, the both ends of first water pipeline 15 cup joint respectively at discharge end 4.1, on outlet 16, the both ends of second water pipeline 1 cup joint respectively at the delivery port of water pump 8, on lower water inlet 4.2, the both ends of third water pipeline 2 cup joint respectively at last delivery port 4.3, on water tank water inlet 7.2, the both ends of fourth water pipeline 14 cup joint respectively at the water inlet of water pump 8, on water tank delivery port 7.1. Vent-pipe and each water service pipeline are the flexible glue pipe, and each connector is cylindrical and the surface is smooth for the gas leakage point between flexible glue pipe and the connector is less, and is sealed effectual, and the connector need not to install screw or buckle additional for cup jointing with the mode of flexible glue pipe equipment, and the equipment process is few, convenient assembling, and practice thrift the consumptive material.
The water receiving box 12 is clamped on the outer bottom wall 17 of the cavity A through a buckle, so that a user can take out the water receiving box 12 to clean the collected condensed water.
The condenser tube 4.6 and the recirculating cooling jacket 4.5 are made of a glass material.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.