CN113100642B - Cooking heater - Google Patents
Cooking heater Download PDFInfo
- Publication number
- CN113100642B CN113100642B CN202110555178.2A CN202110555178A CN113100642B CN 113100642 B CN113100642 B CN 113100642B CN 202110555178 A CN202110555178 A CN 202110555178A CN 113100642 B CN113100642 B CN 113100642B
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- China
- Prior art keywords
- exhaust pipe
- inner container
- filter
- pipe
- heating inner
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0664—Accessories
Abstract
A cooking heater comprises a heating inner container with an exhaust hole, a water tank, a steam generator with an output end communicated with the heating inner container and an input end connected with the output end of the water tank, an exhaust pipe located outside the heating inner container and connected with the exhaust hole, and an adjusting assembly arranged between the heating inner container and the exhaust pipe and used for changing the ventilation area of the exhaust pipe. The adjusting assembly can change the ventilation area of the exhaust pipe so as to adapt to high and low temperature cooking modes of the heating inner container.
Description
Technical Field
The invention belongs to the technical field of ovens, and particularly relates to a cooking heater.
Background
In the prior art, the oven comprises a heating inner container and an exhaust pipe connected with an exhaust hole of the heating inner container, when the heating inner container is heated and cooked, high-temperature gas, steam and the like generated in the heating inner container are exhausted to the outside of the oven through the exhaust hole and the exhaust pipe, when the heating inner container is cooked at low temperature, the high-temperature gas and the steam are exhausted too fast, which is not beneficial to heating food, and certain limitation exists, so that a structure capable of changing the ventilation area of the exhaust pipe is necessary to be designed; in addition, when the steam oven is heated, the inner container can emit smoke with higher temperature and mixed with steam, if the smoke is directly emitted to the outside of the steam oven, the heat of the smoke is wasted, untreated smoke is directly emitted to the indoor space and is not beneficial to indoor air, furniture and the like, and certain limitation is also existed.
Disclosure of Invention
The present invention is directed to overcoming at least one of the above-mentioned disadvantages of the prior art and providing a cooking heater having an adjustment assembly capable of varying the vent area of the exhaust duct.
In order to achieve the above purpose, the embodiment of the present invention provides the following technical solutions:
a cooking heater comprises a heating inner container with an exhaust hole, a water tank, a steam generator with an output end communicated with the heating inner container and an input end connected with the output end of the water tank, an exhaust pipe located outside the heating inner container and connected with the exhaust hole, and an adjusting assembly arranged between the heating inner container and the exhaust pipe and used for changing the ventilation area of the exhaust pipe.
The adjusting assembly comprises a baffle and a temperature sensing elastic sheet which deforms according to the temperature and is arranged on the heating inner container to exchange heat with the heating inner container, and the first end of the baffle is connected with the temperature sensing elastic sheet;
when the temperature of the temperature sensing elastic sheet is lower than the deformation temperature of the temperature sensing elastic sheet, the second end of the baffle extends into the exhaust pipe so as to reduce the ventilation area of the exhaust pipe;
when the temperature of the temperature sensing elastic piece is greater than or equal to the deformation temperature of the temperature sensing elastic piece, the temperature sensing elastic piece deforms towards the direction far away from the exhaust pipe so as to drive the baffle to move towards the direction far away from the exhaust pipe, and therefore the ventilation area of the exhaust pipe is increased.
The exhaust pipe is provided with a through hole corresponding to the baffle plate, and the baffle plate extends into the exhaust pipe through the through hole;
a sealing sleeve sleeved on the baffle is arranged outside the through hole;
the seal cover is including setting up on the blast pipe and being located face, the pars contractilis of connection on the face in the perforation outside and setting up in face and pars contractilis and link up to fenestrate holding chamber, and the baffle sets up in the holding chamber.
The exhaust pipe is provided with a pressure plate for tightly pressing the face part on the exhaust pipe, and the face part is positioned between the exhaust pipe and the pressure plate;
the sealing sleeve comprises a sleeving part which is connected to the telescopic part and is opposite to the temperature sensing elastic sheet;
the first end of the baffle is provided with a column part, and the sleeving part is fixedly connected to the outer side of the column part in a sealing manner;
the column part is provided with an installation column extending into the temperature sensing elastic sheet, and the installation column is provided with a limit table abutting against the inner side surface of the temperature sensing elastic sheet.
The temperature sensing elastic sheet comprises a plate-shaped main body and a deformation part arranged on the plate-shaped main body;
the deformation part is formed by convexly arranging a plate-shaped main body, is convexly arranged towards the baffle plate and is connected with the first end of the baffle plate;
an inward concave part opposite to the deformation part is arranged on the heating inner container;
the deformation part is provided with a plurality of groups of through grooves which are uniformly distributed along the circumferential direction;
the outer side of the heating inner container is provided with a mounting bracket;
the mounting bracket is provided with an insertion groove between the heating inner container and the mounting bracket, the plate-shaped main body is arranged in the insertion groove, and the mounting bracket is provided with a notch opposite to the deformation part.
A water pipe positioned on the outer side of the adjusting component is sleeved on the side part of the exhaust pipe, and the output end of the exhaust pipe is communicated with the atmosphere outside the cooking heater;
the inside of the exhaust pipe is provided with a gas path channel, and a water path channel for exchanging heat with the gas path channel is formed between the outer side of the exhaust pipe and the inner side of the water service pipe;
the output end of the water tank is connected with the input end of the waterway channel, and the output end of the waterway channel is connected with the input end of the water tank.
A first pipeline for connecting the input end of the gas path channel and the heating inner container is arranged between the heating inner container and the exhaust pipe;
a second pipeline for connecting the output end of the water tank and the input end of the waterway channel is arranged between the water tank and the water through pipe;
a third pipeline for connecting the input end of the water tank and the output end of the waterway channel is arranged between the water tank and the water through pipe;
a fourth pipeline is arranged between the output end of the water tank and the input end of the steam generator;
the exhaust pipe is in a fishhook shape, a U-shaped shape, a straight rod shape or a tortuous shape;
the side part of the exhaust pipe is provided with a plurality of groups of annular grooves which are arranged along the axial direction of the exhaust pipe and are positioned at the inner side of the water through pipe; or the side part of the exhaust pipe is provided with a thread groove wound along the axial direction of the exhaust pipe;
a drain pipe penetrating through the water through pipe is arranged at the bottom of the exhaust pipe, and a water pan is arranged below the drain pipe;
the both ends of water service pipe are sealed and are set up on the blast pipe, and waterway's input and output all are located the lateral part of water service pipe.
A first water pump is arranged between the output end of the water tank and the input end of the steam generator;
a second water pump is arranged between the output end of the water tank and the input end of the waterway channel;
the steam generator is arranged at the side part or the upper part or the bottom of the heating inner container;
the exhaust pipe is positioned at the outer side of the steam generator and is arranged at the side part or the upper part or the bottom of the heating inner container;
the water tank is positioned at the outer side of the steam generator and the exhaust pipe and is arranged at the side part or the upper part or the bottom of the heating inner container.
Comprises a shell arranged outside a heating inner container and a filter detachably arranged on the shell;
the shell is provided with a concave part, and the bottom surface of the concave part is provided with an exhaust port connected with the output end of the exhaust pipe;
the filter is embedded in the concave part, an input port of the filter is connected with the exhaust port, and an output port of the filter faces the outer side of the shell;
the filter comprises a filtering main body arranged in the concave part, a filter screen arranged in the filtering main body and a surface cover arranged at the upper part of the filtering main body;
the input port is arranged at the bottom of the filtering main body, and the output port is arranged on the face cover;
the number of the output ports is a plurality of and the output ports are uniformly distributed on the surface cover along the circumferential direction;
the output end of the exhaust pipe is sleeved with a sealing ring;
the input port of the filter extends into the exhaust pipe and is positioned on the inner side of the sealing ring;
the projections of the input port and the output port on the horizontal plane are not overlapped;
and the bottom of the surface cover is provided with a coaming which is propped against the inner side surface of the filtering main body.
The filter screen is flat, the filter main body is provided with a step part corresponding to the filter screen, the filter screen is arranged on the step part, the inner side surface of the concave part is provided with a step groove corresponding to the step part, the step part is embedded on the step groove, the bottom surface of the face cover is provided with positioning columns pressed down on the filter screen, the filter screens are arranged in two groups at intervals up and down, the positioning columns penetrate through the upper filter screen and press down on the lower filter screen, and the enclosing plate is arranged on the upper filter screen;
or, the filter screen is cylindrical, a channel which runs through the upper portion and the lower portion of the filter screen is arranged in the filter screen, the filter screen is located between the inner bottom surface of the filter main body and the inner top surface of the face cover, a lower limiting plate which is located on the outer side of the filter screen is arranged on the inner bottom surface of the filter main body, an upper limiting plate which is located on the inner side of the filter screen is arranged on the inner top surface of the face cover, the number of the filter screens is at least two, the filter screens are arranged on the outer side above the input port at coaxial intervals from inside to outside, and the output port is located on the outer side above the filter screen.
The invention has the following beneficial effects:
1. this culinary art heater's adjusting part can change the draught area of blast pipe to the high, low temperature culinary art mode of adaptation heating inner bag, adjusting part do not contain electrical apparatus component, need not to use electrical apparatus components such as electromagnetic switch valve, and the fault rate is low.
2. This culinary art heater can utilize the exhaust steam of heating inner bag to carry the water to waterway channel from the water tank to heat, reduces the thermal waste of steam.
3. The filter is used for filtering steam and oil drops in the flue gas, so that finally discharged gas is cleaner and tidier, and the influence of the flue gas on indoor air is reduced.
Drawings
FIG. 1 is a cross-sectional view of one embodiment of the present invention.
FIG. 2 is a cross-sectional view of one embodiment of the present invention.
Fig. 3 is a schematic structural diagram according to an embodiment of the present invention.
Fig. 4 is an exploded view of an embodiment of the present invention.
Fig. 5 is a schematic structural diagram according to an embodiment of the present invention.
FIG. 6 is a cross-sectional view of one embodiment of the present invention.
FIG. 7 is a cross-sectional view of an embodiment of the present invention.
FIG. 8 is a cross-sectional view of one embodiment of the present invention.
Fig. 9 is an exploded view of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Referring to fig. 1-9, the cooking heater comprises a control device, a heating liner 1 with an air vent 40, a water tank 2, a steam generator 4 with an output end communicated with the heating liner 1 and an input end connected with the output end of the water tank 2, an exhaust pipe 7 positioned outside the heating liner 1 and connected with the air vent 40, and an adjusting component arranged between the heating liner 1 and the exhaust pipe 7 and used for changing the ventilation area of the exhaust pipe 7.
The cooking heater may be a steam oven.
The control device is positioned in front of the upper part of the heating inner container 1.
This cooking heater's adjusting part can change the area of ventilating of blast pipe 7 to the high, low temperature cooking mode of adaptation heating inner bag 1.
Furthermore, the adjusting assembly comprises a baffle 41 and a temperature sensing elastic sheet 42 which deforms according to the temperature and is arranged on the heating inner container 1 to exchange heat with the heating inner container 1, and a first end of the baffle 41 is connected with the temperature sensing elastic sheet 42;
the heating inner container 1 and the temperature sensing elastic sheet 42 can transfer heat.
In this embodiment, the temperature sensing elastic sheet 42 is made of manganese steel, and the deformation temperature of the temperature sensing elastic sheet 42 (or called the deformation snap-through temperature of the temperature sensing elastic sheet 42) is 120 ℃, that is, when the temperature of the temperature sensing elastic sheet 42 is greater than or equal to 120 ℃, the temperature sensing elastic sheet 42 undergoes snap-through deformation, and of course, the deformation temperature of the temperature sensing elastic sheet 42 may also adopt other temperature points, and only the temperature sensing elastic sheet 42 with corresponding size and size specification needs to be configured.
Referring to fig. 1, when the temperature of the temperature sensing elastic sheet 42 is lower than the deformation temperature of the temperature sensing elastic sheet 42, the second end of the baffle 41 extends into the exhaust pipe 7 to reduce the ventilation area of the exhaust pipe 7, so that the low-temperature cooking mode (such as steam cooking, fermentation and the like) of the heating liner 1 is adapted to, the baffle 41 shields part of the exhaust pipe 7, high-temperature gas, steam and the like in the heating liner 1 are not easy to be discharged, the air pressure in the heating liner 1 is improved, and the heating of food is accelerated;
referring to fig. 2, when the temperature of the temperature sensing elastic sheet 42 is greater than or equal to the deformation temperature of the temperature sensing elastic sheet 42, the temperature sensing elastic sheet 42 deforms in the direction away from the exhaust pipe 7 to drive the baffle plate 41 to move in the direction away from the exhaust pipe 7, so that the ventilation area of the exhaust pipe 7 is increased, the condition is suitable for the high-temperature cooking mode (such as baking, air frying and the like) of the heating liner 1, the baffle plate 41 completely moves out of the exhaust pipe 7 or at least partially moves out of the exhaust pipe 7, which is beneficial to heating the high-temperature gas inside the liner 1, rapidly discharging steam and the like, avoiding heating the temperature inside the liner 1, and ensuring the cooking safety.
The adjusting component can change the ventilation area of the exhaust pipe 7 to adapt to the high-temperature cooking mode and the low-temperature cooking mode of the heating liner 1, the adjusting component does not contain electrical elements, namely electrical elements such as an electromagnetic switch valve are not needed, and the failure rate is low.
In this embodiment, a connection pipe 60 is disposed between the exhaust hole 40 and the exhaust pipe 7, the baffle plate 41 is horizontally disposed, the exhaust hole 40 is located at the rear portion of the heating liner 1, and the adjusting assembly is disposed at the rear portion of the heating liner 1.
Furthermore, the exhaust pipe 7 is provided with a through hole 43 corresponding to the baffle plate 41, and the baffle plate 41 extends into the exhaust pipe 7 through the through hole 43;
a sealing sleeve 44 sleeved on the baffle plate 41 is arranged outside the through hole 43;
the provision of the sealing sleeve 44 avoids leakage of gas.
In the present embodiment, the sealing sleeve 44 is made of silicone.
The sealing sleeve 44 includes a face portion 45 disposed on the exhaust pipe 7 and located outside the through hole 43, a telescopic portion 46 connected to the face portion 45, and an accommodating chamber 47 disposed in the face portion 45 and the telescopic portion 46 and penetrating through the through hole 43, and the baffle plate 41 is disposed in the accommodating chamber 47.
The upper and lower portions of the telescopic portion 46 are corrugated, which facilitates the telescopic portion 46 to follow the movement of the baffle 41 and to be telescopic.
Furthermore, a pressure plate 48 for tightly pressing the face 45 on the exhaust pipe 7 is arranged on the exhaust pipe 7, so that gas in the exhaust pipe 7 is prevented from leaking through a joint of the face 45 and the exhaust pipe 7, and the face 45 is positioned between the exhaust pipe 7 and the pressure plate 48;
in this embodiment, the telescoping portion 46 passes through a pressure plate 48.
The sealing sleeve 44 comprises a sleeving part 49 which is connected with the telescopic part 46 and is opposite to the temperature sensing elastic sheet 42;
the first end of the baffle 41 is provided with a column part 50, and the sleeving part 49 is fixedly connected to the outer side of the column part 50 in a sealing manner, so that the baffle 41 can drive the sleeving part 49 to move synchronously when moving;
the column part 50 is provided with an installation column 51 extending into the temperature sensing elastic sheet 42, and the installation column 51 is provided with a limit table 52 abutting against the inner side surface of the temperature sensing elastic sheet 42, so that the temperature sensing elastic sheet 42 and the baffle 41 are linked.
Further, the temperature sensing elastic sheet 42 includes a plate-shaped body 53 and a deformation part 54 provided on the plate-shaped body 53;
in the present embodiment, the plate-shaped body 53 has a circular shape.
The deformation part 54 is formed by protruding the plate-shaped main body 53, the deformation part 54 protrudes towards the baffle 41, the deformation part 54 is connected with the first end of the baffle 41, specifically, the mounting column 51 extends into the deformation part 54, and the limiting table 52 abuts against the inner side surface of the deformation part 54;
an inner concave part 55 opposite to the deformation part 54 is arranged on the heating inner container 1;
the concave part 55 is arranged for concave deformation of the deformation part 54 towards the heating liner 1.
The deformation part 54 is provided with a plurality of groups of through grooves 56 which are uniformly distributed along the circumferential direction, and the through grooves 56 are used for deformation of the deformation part 54.
The outer side of the heating inner container 1 is provided with a mounting bracket 57;
in this embodiment, the mounting bracket 57 is U-shaped.
The mounting bracket 57 is provided with an insertion groove 58 positioned between the heating inner container 1 and the mounting bracket 57, the plate-shaped main body 53 is arranged in the insertion groove 58, and the mounting bracket 57 is provided with a notch 59 opposite to the deformation part 54 for the deformation part 54 to pass through.
The plate-like body 53 is in contact with the outer surface of the heating inner container 1 to perform heat exchange.
Furthermore, a water pipe 9 positioned outside the adjusting component is sleeved on the side part of the exhaust pipe 7, the output end of the exhaust pipe 7 is communicated with the atmosphere outside the cooking heater to discharge smoke to the outside of the steam cooking heater, and the internal pressure of the inner container 1 is prevented from being too high;
the adjusting assembly may be located above the head end of the water service pipe 9.
A gas channel 5 is arranged in the exhaust pipe 7, and a water channel 6 for exchanging heat with the gas channel 5 is formed between the outer side of the exhaust pipe 7 and the inner side of the water through pipe 9;
the output end of the water tank 2 is connected with the input end of the waterway channel 6, and the output end of the waterway channel 6 is connected with the input end of the water tank 2.
When the device that generates heat of heating inner bag 1 inside moves, 1 exhaust steam of heating inner bag gets into in the gas circuit passageway 5 of blast pipe 7, water in the water tank 2 is carried to waterway 6 in, make the higher steam of temperature can carry out the heat transfer with the lower water of temperature, improve the temperature of water, water in the waterway 6 is finally carried to inside the water tank 2, improve the inside temperature of water tank 2, effectively utilize the heat of steam, reduce the thermal waste of steam, can utilize 1 exhaust steam of heating inner bag to carry to waterway 6's water from water tank 2 and heat.
The steam generator 4 is spaced above the adjustment assembly.
Furthermore, a first pipeline 8 for connecting the input end of the air channel 5 and the heating inner container 1 is arranged between the heating inner container 1 and the exhaust pipe 7;
a second pipeline 12 for connecting the output end of the water tank 2 and the input end of the waterway channel 6 is arranged between the water tank 2 and the water pipe 9;
a third pipeline 13 for connecting the input end of the water tank 2 and the output end of the waterway channel 6 is arranged between the water tank 2 and the water pipe 9;
a fourth pipeline 61 is arranged between the output end of the water tank 2 and the input end of the steam generator 4;
the exhaust pipe 7 is in a fishhook shape, a U-shaped shape, a straight rod shape or a tortuous shape;
in this embodiment, the exhaust pipe 7 is in the shape of a fishhook, and the fishhook-shaped exhaust pipe 7 is beneficial to increasing the heat exchange distance between the flue gas and the water, and effectively utilizes the heat of the flue gas.
The side part of the exhaust pipe 7 is provided with a plurality of groups of annular grooves 15 which are arranged along the axial direction and are positioned at the inner side of the water through pipe 9, namely the exhaust pipe 7 is a corrugated pipe;
alternatively, the side of the exhaust pipe 7 is provided with a thread groove wound along the axial direction, that is, the exhaust pipe 7 is a threaded pipe.
The arrangement of the annular groove 15 or the thread groove increases the heat exchange area of the smoke and the water.
In the present embodiment, the form of the annular groove 15 is adopted.
A drain pipe 10 penetrating through the water pipe 9 is arranged at the bottom of the exhaust pipe 7, and a water receiving disc 11 is arranged below the drain pipe 10;
after the heat exchange is carried out between the smoke and the water, the temperature of the smoke in the air passage channel 5 of the exhaust pipe 7 is reduced and condensate water is generated, the condensate water is output to the water receiving tray 11 through the drain pipe 10, the steam discharged to the outside of the cooking heater is reduced, and the pollution to indoor air and the influence on furniture are reduced.
The two ends of the water service pipe 9 are sealed on the exhaust pipe 7, and the input end and the output end of the waterway channel 6 are both positioned on the side part of the water service pipe 9.
Specifically, the input end of the waterway 6 is close to the head end of the water pipe 9, and the output end of the waterway 6 is close to the tail end of the water pipe 9.
Further, a first water pump 70 is arranged between the output end of the water tank 2 and the input end of the steam generator 4;
a second water pump 71 is arranged between the output end of the water tank 2 and the input end of the waterway channel 6;
and a temperature sensor is arranged between the output end of the water tank 2 and the input end of the steam generator 4.
The control device is arranged outside the inner container 1 and is respectively and electrically connected with the steam generator 4, the first water pump 70, the second water pump 71 and the temperature sensor.
Specifically, the first water pump 70 is provided on the fourth pipe 61, and the second water pump 71 is provided on the second pipe 12.
The steam generator 4 is arranged at the side part or the upper part or the bottom of the heating inner container 1;
the exhaust pipe 7 is positioned at the outer side of the steam generator 4 and is arranged at the side part or the upper part or the bottom of the heating liner 1;
the water tank 2 is positioned outside the steam generator 4 and the exhaust pipe 7 and is arranged at the side part or the upper part or the bottom part of the heating liner 1.
In this embodiment, the steam generator 4 is disposed at a side portion of the heating inner container 1, the exhaust pipe 7 is fixed at the side portion of the heating inner container 1 through a bracket, the water receiving tray 11 is located below the side portion of the heating inner container 1, and the water tank 2 is located at an upper portion of the heating inner container 1.
Further comprises a shell 21 arranged outside the heating liner 1 and a filter 14 detachably arranged on the shell 21;
the control device, the water tank 2, the steam generator 4 and the adjusting component are all positioned in the shell 21;
the filter 14 is used for filtering steam and oil drops in the smoke, so that finally discharged gas is tidier, and the influence of the smoke on indoor air is reduced.
And a slot position for mounting the water pan 11 is arranged on the shell 21.
The shell 21 is provided with a concave part 22, and the bottom surface of the concave part 22 is provided with an exhaust port 23 connected with the output end of the exhaust pipe 7;
the exhaust pipe 7 is positioned below the filter 14, and the filter 14 is positioned above the heating inner container 1.
The filter 14 is fitted in the recess 22, an input port 24 of the filter 14 is connected to the exhaust port 23, and an output port 25 of the filter 14 faces the outside of the case 21;
the recess 22 is provided for guiding the installation of the filter 14, and the filter 14 is detachably arranged on the recess 22 of the housing 21, so that the filter 14 is convenient to be detached and installed by a user, and the filter 14 is convenient to clean and maintain.
The filter 14 comprises a filter main body 26 arranged in the concave part 22, a filter screen 27 arranged in the filter main body 26 and a surface cover 28 arranged at the upper part of the filter main body 26;
the filter screen 27 is fully distributed with through holes;
when the face cover 28 is removed, the filter net 27 can be taken out, and the filter 14 is convenient to clean and maintain.
The inlet 24 is arranged at the bottom of the filtering main body 26, and the outlet 25 is arranged on the face cover 28;
the number of the output ports 25 is a plurality and the output ports are uniformly distributed on the surface cover 28 along the circumferential direction;
the output end of the exhaust pipe 7 is sleeved with a sealing ring 32;
the inlet 24 of the filter 14 extends into the exhaust pipe 7 and is positioned on the inner side of the sealing ring 32;
the input port 24 of the filter 14 protrudes downwards, and the sealing ring 32 is arranged to ensure that the input port 24 of the filter 14 is in sealed connection with the output end of the exhaust pipe 7, so that smoke is prevented from leaking into the cooking heater from the connection part of the input port 24 of the filter 14 and the output end of the exhaust pipe 7.
The projections of the input port 24 and the output port 25 on the horizontal plane are not overlapped, so that the output of the smoke in the filter 14 is slowed down, and water drops and oil drops are favorably accumulated in the filter 14 and attached to the inside of the filter 14 so as to realize backflow.
The bottom of the face cover 28 is provided with a coaming 33 which abuts against the inner side of the filter body 26.
Furthermore, the filter screen 27 is flat, a step part 62 is arranged on the filter main body 26 corresponding to the filter screen 27, and the filter screen 27 is arranged on the step part 62 to realize the placement and positioning of the filter screen 27;
a step groove 63 is formed on the inner side surface of the concave part 22 corresponding to the step part 62, and the step part 62 is embedded on the step groove 63 to realize the positioning of the step part 62;
the bottom surface of the surface cover 28 is provided with a positioning column 64 which is arranged on the filter screen 27 in a downward pressing manner, so that the filter screen 27 is positioned;
the number of the filter screens 27 is two, the filter screens 27 are arranged at intervals up and down, and the positioning columns 64 penetrate through the upper filter screen 27 and are arranged on the lower filter screen 27 in a downward pressing mode;
the number of the positioning columns 64 is three, and the positioning columns are uniformly distributed along the circumferential direction;
the enclosure 33 is arranged on the upper filter screen 27;
the surface cover 28 and the filter screen 27 of the filter 14 are convenient to disassemble and assemble, and cleaning and maintenance are facilitated.
As an alternative technical scheme, the filter screen 27 is cylindrical, and a channel penetrating through the upper part and the lower part of the filter screen 27 is arranged in the filter screen 27;
a plurality of through holes which are uniformly distributed along the circumferential direction and the vertical direction are distributed on the filter screen 27.
The filter net 27 is located between the inner bottom surface of the filter main body 26 and the inner top surface of the bottom cover 28, and the filter net 27 is vertically positioned.
The inner bottom surface of the filtering main body 26 is provided with a lower limiting plate 29 positioned outside the filtering net 27, the inner top surface of the surface cover 28 is provided with an upper limiting plate 30 positioned inside the filtering net 27, the lower limiting plate 29 and the upper limiting plate 30 are respectively matched with the filtering net 27 to realize the positioning of the filtering net 27 in the horizontal direction, and the structure mode is convenient for directly taking out the filtering net 27 from the main body 26 after the surface cover 28 is detached;
the number of the filter screens 27 is at least two and is coaxially arranged from inside to outside at intervals, the filter screens 27 are positioned on the outer side above the input port 24, and the output port 25 is positioned on the outer side above the filter screens 27.
This arrangement slows the output of smoke in the filter 14, facilitating the accumulation of water and oil droplets in the filter 14 and their adherence to the filter 14 and back flow.
In this embodiment, the number of the filter screens 27 is two.
The foregoing is a preferred embodiment of the present invention, and the basic principles, main features and advantages of the present invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. A cooking heater is characterized by comprising a heating inner container (1) with an exhaust hole (40), a water tank (2), a steam generator (4) with an output end communicated with the heating inner container (1) and an input end connected with the output end of the water tank (2), an exhaust pipe (7) positioned outside the heating inner container (1) and connected with the exhaust hole (40), and an adjusting component arranged between the heating inner container (1) and the exhaust pipe (7) and used for changing the ventilation area of the exhaust pipe (7);
the adjusting assembly comprises a baffle plate (41) and a temperature sensing elastic sheet (42) which deforms according to the temperature and is arranged on the heating inner container (1) to exchange heat with the heating inner container (1), and the first end of the baffle plate (41) is connected with the temperature sensing elastic sheet (42);
when the temperature of the temperature sensing elastic sheet (42) is lower than the deformation temperature of the temperature sensing elastic sheet (42), the second end of the baffle (41) extends into the exhaust pipe (7) so as to reduce the ventilation area of the exhaust pipe (7);
when the temperature of the temperature sensing elastic sheet (42) is greater than or equal to the deformation temperature of the temperature sensing elastic sheet (42), the temperature sensing elastic sheet (42) deforms towards the direction far away from the exhaust pipe (7) to drive the baffle plate (41) to move towards the direction far away from the exhaust pipe (7) so as to increase the ventilation area of the exhaust pipe (7);
the exhaust pipe (7) is provided with a through hole (43) corresponding to the baffle plate (41), and the baffle plate (41) extends into the exhaust pipe (7) through the through hole (43);
a sealing sleeve (44) sleeved on the baffle (41) is arranged on the outer side of the through hole (43);
seal cover (44) including set up on blast pipe (7) and lie in face (45) of perforation (43) outside, connect pars contractilis (46) on face (45) and set up in face (45) and pars contractilis (46) and link up to the holding chamber (47) of perforation (43), baffle (41) set up in holding chamber (47).
2. The cooking heater according to claim 1, wherein the exhaust pipe (7) is provided with a pressure plate (48) for pressing the face portion (45) against the exhaust pipe (7), the face portion (45) being located between the exhaust pipe (7) and the pressure plate (48);
the sealing sleeve (44) comprises a sleeving part (49) which is connected to the telescopic part (46) and is opposite to the temperature sensing elastic sheet (42);
a column part (50) is arranged at the first end of the baffle (41), and the sleeving part (49) is fixedly connected to the outer side of the column part (50) in a sealing manner;
the column part (50) is provided with an installation column (51) extending into the temperature sensing elastic sheet (42), and the installation column (51) is provided with a limit table (52) abutting against the inner side surface of the temperature sensing elastic sheet (42).
3. The cooking heater according to claim 1, wherein the temperature sensing dome (42) comprises a plate-shaped body (53) and a deformation portion (54) provided on the plate-shaped body (53);
the deformation part (54) is formed by protruding a plate-shaped main body (53), the deformation part (54) is arranged in a protruding mode towards the baffle (41), and the deformation part (54) is connected with the first end of the baffle (41);
an inner concave part (55) opposite to the deformation part (54) is arranged on the heating inner container (1);
the deformation part (54) is provided with a plurality of groups of through grooves (56) which are uniformly distributed along the circumferential direction;
a mounting bracket (57) is arranged on the outer side of the heating inner container (1);
the mounting bracket (57) is provided with an insertion groove (58) positioned between the heating inner container (1) and the mounting bracket (57), the plate-shaped main body (53) is arranged in the insertion groove (58), and the mounting bracket (57) is provided with a notch (59) opposite to the deformation part (54).
4. The cooking heater according to claim 1, wherein the side of the exhaust pipe (7) is sleeved with a water pipe (9) positioned outside the adjusting component, and the output end of the exhaust pipe (7) is communicated with the atmosphere outside the cooking heater;
a gas channel (5) is arranged in the exhaust pipe (7), and a water channel (6) for exchanging heat with the gas channel (5) is formed between the outer side of the exhaust pipe (7) and the inner side of the water pipe (9);
the output end of the water tank (2) is connected with the input end of the waterway channel (6), and the output end of the waterway channel (6) is connected with the input end of the water tank (2).
5. The cooking heater according to claim 4, characterised in that a first duct (8) connecting the input of the air channel (5) and the heating inner container (1) is provided between the heating inner container (1) and the exhaust duct (7);
a second pipeline (12) for connecting the output end of the water tank (2) and the input end of the waterway channel (6) is arranged between the water tank (2) and the water pipe (9);
a third pipeline (13) for connecting the input end of the water tank (2) and the output end of the waterway channel (6) is arranged between the water tank (2) and the water pipe (9);
a fourth pipeline (61) is arranged between the output end of the water tank (2) and the input end of the steam generator (4);
the exhaust pipe (7) is in a fishhook shape, a U-shaped shape, a straight rod shape or a tortuous shape;
the side part of the exhaust pipe (7) is provided with a plurality of groups of annular grooves (15) which are distributed along the axial direction and are positioned at the inner side of the water through pipe (9); or the side part of the exhaust pipe (7) is provided with a thread groove wound along the axial direction of the exhaust pipe;
a drain pipe (10) penetrating through the water pipe (9) is arranged at the bottom of the exhaust pipe (7), and a water receiving disc (11) is arranged below the drain pipe (10);
the two ends of the water pipe (9) are arranged on the exhaust pipe (7) in a sealed mode, and the input end and the output end of the waterway channel (6) are located on the side portion of the water pipe (9).
6. The cooking heater according to claim 4, characterised in that a first water pump (70) is provided between the output of the water tank (2) and the input of the steam generator (4);
a second water pump (71) is arranged between the output end of the water tank (2) and the input end of the waterway channel (6);
the steam generator (4) is arranged at the side part or the upper part or the bottom of the heating inner container (1);
the exhaust pipe (7) is positioned at the outer side of the steam generator (4) and is arranged at the side part or the upper part or the bottom of the heating inner container (1);
the water tank (2) is positioned at the outer sides of the steam generator (4) and the exhaust pipe (7) and is arranged at the side part or the upper part or the bottom of the heating inner container (1).
7. The cooking heater according to claim 1, comprising a housing (21) provided outside the heating inner container (1) and a filter (14) detachably provided on the housing (21);
a concave part (22) is arranged on the shell (21), and an exhaust port (23) connected with the output end of the exhaust pipe (7) is arranged on the bottom surface of the concave part (22);
the filter (14) is embedded in the concave part (22), an input port (24) of the filter (14) is connected with the exhaust port (23), and an output port (25) of the filter (14) faces the outer side of the shell (21);
the filter (14) comprises a filter main body (26) arranged in the concave part (22), a filter screen (27) arranged in the filter main body (26) and a surface cover (28) arranged at the upper part of the filter main body (26);
the inlet (24) is arranged at the bottom of the filtering main body (26), and the outlet (25) is arranged on the face cover (28);
the number of the output ports (25) is a plurality, and the output ports are uniformly distributed on the surface cover (28) along the circumferential direction;
the output end of the exhaust pipe (7) is sleeved with a sealing ring (32);
the inlet (24) of the filter (14) extends into the exhaust pipe (7) and is positioned on the inner side of the sealing ring (32);
the projections of the input port (24) and the output port (25) on the horizontal plane are not overlapped;
the bottom of the face cover (28) is provided with a coaming (33) which is propped against the inner side face of the filtering main body (26).
8. The cooking heater as claimed in claim 7, wherein the strainer (27) is in a flat plate shape, the filter body (26) is provided with a step portion (62) corresponding to the strainer (27), the strainer (27) is disposed on the step portion (62), the inner side surface of the recess (22) is provided with a step groove (63) corresponding to the step portion (62), the step portion (62) is fitted in the step groove (63), the bottom surface of the cover (28) is provided with positioning posts (64) pressed down on the strainer (27), the strainers (27) are provided in two groups and arranged at intervals up and down, the positioning posts (64) penetrate through the upper strainer (27) and are pressed down on the lower strainer (27), and the surrounding plate (33) is disposed on the upper strainer (27);
or, filter screen (27) are the tube-shape, be equipped with the passageway that link up its upper portion and lower part in filter screen (27), filter screen (27) are located between the interior top surface of the interior bottom surface of filtering main part (26) and face lid (28), be equipped with lower limiting plate (29) that are located the filter screen (27) outside on the interior bottom surface of filtering main part (26), be equipped with upper limiting plate (30) that are located filter screen (27) inboard on the interior top surface of face lid (28), the quantity of filter screen (27) is two sets of at least and arranges from inside to outside coaxial interval, filter screen (27) are located the outside of input port (24) top, delivery outlet (25) are located the outside of filter screen (27) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110555178.2A CN113100642B (en) | 2021-05-21 | 2021-05-21 | Cooking heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110555178.2A CN113100642B (en) | 2021-05-21 | 2021-05-21 | Cooking heater |
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| Publication Number | Publication Date |
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| CN113100642A CN113100642A (en) | 2021-07-13 |
| CN113100642B true CN113100642B (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110555178.2A Active CN113100642B (en) | 2021-05-21 | 2021-05-21 | Cooking heater |
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| CN (1) | CN113100642B (en) |
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| Publication number | Publication date |
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| CN113100642A (en) | 2021-07-13 |
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