CN108209608A - A kind of electric oven liner temperature control system and its method - Google Patents
A kind of electric oven liner temperature control system and its method Download PDFInfo
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- CN108209608A CN108209608A CN201810088264.5A CN201810088264A CN108209608A CN 108209608 A CN108209608 A CN 108209608A CN 201810088264 A CN201810088264 A CN 201810088264A CN 108209608 A CN108209608 A CN 108209608A
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- component
- heating tube
- liner
- fan
- fan shroud
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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
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
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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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Electric Stoves And Ranges (AREA)
Abstract
The invention discloses a kind of electric oven liner temperature control system and its methods.It includes liner component, the lower section of liner component is equipped with bottom plate, the lower face of liner component is equipped with lower heating tube, the top of liner component is equipped with air draft shade assembly, one end of air draft shade assembly is equipped with cooling blower component, the upper surface of liner component is equipped with upper heating tube, the top of air draft shade assembly is equipped with electrically-controlled component, the front end face of liner component is equipped with Controls Palette, the rear end face of liner component is equipped with fan shroud, fan shroud is equipped with ventilation hole, fan shroud is equipped with circulating fan component, the rear of liner component is equipped with rear heating tube, liner component is internally provided with liner temperature sensor, lower heating tube, cooling blower component, upper heating tube, Controls Palette, circulating fan component, rear heating tube and liner temperature sensor are electrically connected with electrically-controlled component.The beneficial effects of the invention are as follows:Substantially increase the control accuracy of the central temperature in liner component.
Description
Technical field
The present invention relates to electric oven correlative technology fields, refer in particular to a kind of electric oven liner temperature control system and its side
Method.
Background technology
Existing electric oven is all by upper heating tube, lower heating tube, rear heating tube, circulating fan component, liner group mostly
Part, air draft shade assembly, cooling electric machine assembly, control panel, fire door component, electrically-controlled component, chassis component, bottom plate, liner temperature
The compositions such as sensor, heat-preservation cotton.Due to electric oven be all formed using tubular metal heating tube plus circulating fan component it is hot right
Stream, heat radiation, heat transfer heat the air in liner component, so as to which the temperature in liner component be made constantly to increase, Ran Houtong
It crosses electric-control system and transfers signals on liner temperature sensor and the temperature in liner is controlled to reach cooking food
Purpose.Due to the temperature that the principle of this heating has led in liner component be difficult control to comparing accurately temperature, from
And cause the temperature fluctuation in liner component bigger, and it is uneven, make some places of the food cooked ripe, some places
Jiao Liao, some places are also ripe, some places fail to colour;Largely effect on culinary art effect.Electric oven control on the market now
Central temperature in liner component is typically all to control in 5-10 degree or so.
Invention content
The present invention is above-mentioned in order to overcome the shortcomings of to exist in the prior art, and electric oven liner can be improved by providing one kind
The electric oven liner temperature control system and its method of central temperature control accuracy in component.
To achieve these goals, the present invention uses following technical scheme:
A kind of electric oven liner temperature control system, including liner component, the lower section of the liner component is equipped with bottom plate, institute
The lower face for stating liner component and the top for being placed in bottom plate are equipped with lower heating tube, and the top of the liner component is equipped with exhaust hood group
Part, one end of the air draft shade assembly are equipped with cooling blower component, and the other end of the air draft shade assembly is connected with liner component,
It the upper surface of the liner component and is placed in the lower section of air draft shade assembly and is equipped with upper heating tube, set above the air draft shade assembly
There is an electrically-controlled component, the front end face of the liner component and be placed in the front of electrically-controlled component and be equipped with Controls Palette, the liner
The rear end face of component is equipped with fan shroud, and the fan shroud is equipped with ventilation hole, and the fan shroud is equipped with circulating fan
Component, the rear of the liner component and is placed in circulating fan component equipped with rear heating tube, the inside of the liner component
Equipped with liner temperature sensor, the cooling blower component, Controls Palette, circulating fan component and liner temperature sensing
Device is electrically connected with electrically-controlled component, the electrically-controlled component be equipped with heat-generating pipe drive circuit module, the lower heating tube, on
Heating tube and rear heating tube are electrically connected by heat-generating pipe drive circuit module with electrically-controlled component.
Pass through the structure design of fan shroud and circulating fan component so that the heat quilt that upper heating tube and lower heating tube generate
It is drawn into fan shroud;At the same time, the heat generated with the rear heating tube in fan shroud mixes it by circulating fan component
Afterwards, and out of fan shroud liner component internal is blown to, so as to form air thermal convection current so that the air themperature in liner component
In uniform state;And the design of liner temperature sensor, for precisely detecting the temperature in liner component;Heat-generating pipe driving electricity
Road module uses SCR control mode, can distinguish heating tube under step-less adjustment, upper heating tube and rear heating tube output power,
Coordinate the thermostatic control algorithm of intelligent positioning combination PID control and fuzzy control, can more accurate quantity of heat given up, it is roasting so as to improve
Case product heating time and temperature control precision and temperature stability.
Preferably, the fan shroud is equipped with inlet scoop and air outlet, the inlet scoop is placed in fan shroud
At heart position, the circulating fan component includes fan blade, stent and motor, and the fan blade is mounted on the side of stent, institute
The motor stated is mounted on the opposite side of stent, and the motor is connect with electrically-controlled component, and the fan blade is placed in the suction of fan shroud
It is mounted on fan shroud at air port and by stent, the shape of the fan blade is rounded, and the fan blade includes several blades, institute
The cross-sectional shape for stating blade is L-shaped.By the structure design of fan blade on circulating fan component, L-shaped blade causes inlet scoop
Air draught efficiency greatly improves, and so as to improve the mobility of air in liner component, makes it to central temperature in liner component
Regulation and control are more accurate.
Preferably, the air outlet is placed on the side of fan shroud, the air outlet includes uptake, leeward
Mouth, left air port and right air port, the uptake are placed on the upper side edge of fan shroud, and the uptake includes two big ventilation
Hole and two small ventilation holes, wherein big ventilation hole and the symmetrical distribution of small ventilation hole, two small ventilation holes are placed in two big
The centre of ventilation hole, the lower air port are placed on the lower side of fan shroud and close to the left side of fan shroud, the leeward
Mouth includes three ventilation holes, and the size of the ventilation hole from left to right gradually increases, and the left air port is placed in a left side for fan shroud
On side, the right air port is placed in the right edge of fan shroud and is placed in the top of fan shroud right edge, wherein right air port
The small ventilation hole of size and uptake is in the same size, and the size of three ventilation holes is all higher than the size of small ventilation hole and leads to less than big
The size of air holes, the size in the left air port are more than the size of big ventilation hole, the uptake, lower air port, left air port and right wind
The total size of mouth is successively decreased successively.The positive middle combination of fan shroud has been symmetrically arranged 16 slot composition inlet scoops, wind
The design of the positional structure and openings of sizes of air outlet on hood so that the heat that upper heating tube and lower heating tube generate passes through
16 rectangle air inlets that the combination of fan shroud front middle is symmetrically arranged are inhaled into fan shroud;At the same time, with
After the heat that rear heating tube in fan shroud generates is thoroughly mixed by the fan blade on circulating fan component, and from wind turbine
The different size on the side of upper and lower, left and right in cover, the rectangle exhaust vent of different number are blown to liner component internal, from
And form air thermal convection current so that the air themperature in liner component is in uniform state.
Preferably, the liner temperature sensor is mounted on the rear end face of liner component and is placed in a left side for fan shroud
Upper angular position.The design of the positional structure and openings of sizes of air outlet on fan shroud so that it is by circulated air unit
Under part effect, air circulation flow can be preferably carried out toward left direction, and the position of liner temperature sensor is corresponding thereto
Should, it is therefore provided that temperature sensor can preferably detect the temperature value in liner component, improve accuracy of detection.
Preferably, the shape of the rear heating tube is rounded, the rear heating tube is placed in outside the fan blade of circulating fan
Side, the rear heating tube are that integrally formed, described rear heating tube includes two round heating tubes, two round heating tubes
The distance between be consistent.The structure and Position Design of rear heating tube so that fan blade can preferably drive in rotation
The heat that rear heating tube generates so that heating is more uniformly distributed.
Preferably, the shape of the upper heating tube is in M shapes, the upper heating tube is integrally formed, and described go up adds
Heat pipe includes three U-shaped heating tubes, and the shape and length of three U-shaped heating tubes are consistent, three U-shaped heating tubes upper plus
It is evenly distributed on heat pipe, the distance between two neighboring U-shaped heating tube and the openings of sizes of U-shaped heating tube are consistent, phase
The openend of adjacent two U-shaped heating tubes is connected by arc transition.It is designed by the shape and structure of upper heating tube so that upper heating
The heat of pipe is more uniformly spread.
Preferably, the shape of the lower heating tube takes the shape of the letter U, the lower heating tube is integrally formed, is added under described
The open interior shape of heat pipe is oval.The shape and structure design of lower heating tube coordinates setting for the upper and lower air port of fan shroud simultaneously
Meter can well follow the flowing of air in liner component so that recycle heat is more uniformly distributed.
The present invention also provides a kind of methods of electric oven liner temperature control system, specifically comprise the following steps:
(1) operating mode and parameter are set by Controls Palette, after startup, upper heating tube in liner component,
Lower heating tube, rear heating tube, circulating fan component, cooling blower component start full power operation;
(2) temperature in liner component gradually rises, and the fan blade rotation on circulating fan component passes through inlet scoop by liner
Air and heat in component are drawn into the inside of fan shroud, then the going out by fan shroud by the heat of rear heating tube in fan shroud
Air port is blown out, and so as to form hot air convection cycle in the inside of liner component, is constantly stirred hot-air, is made in liner component
Hot-air is evenly;
(3) the liner temperature sensor in liner component detects that the temperature in liner component reaches electrically-controlled component setting
During theoretical thermic load intelligent positioning temperature range, signal is fed back into electrically-controlled component, the theoretical heat of adjusting output is corresponding above to be added
Heat pipe, lower heating tube and rear heating tube power;
(4) the liner temperature sensor in liner component detects that the temperature in liner component reaches electrically-controlled component control
During temperature range, according to liner temperature and the temperature difference of set temperature, the output of heating tube, lower heating tube and rear heating tube in adjusting
Power reaches the accurate of control liner temperature and stablizes.
Preferably, in step (3) and step (4), upper heating tube, lower heating tube, rear heating tube, circulating fan component
Unlatching and output power with cooling blower component are mutually switched according to constant temperature algorithm, so that it is guaranteed that in liner component
Heart temperature fluctuation is within control range.
The beneficial effects of the invention are as follows:Pass through the quantity and size combinations of the air outlet of four sides above and below fan shroud or so
Arrangement, circulating fan rotating speed, the size for recycling fan blade and high and low position, shape, arrangement and the electrically-controlled component of three heating tubes
SCR control, power output variation, liner temperature sensor control, substantially increase the central temperature in liner component
Control accuracy, so as to which so that central temperature can be controlled within 1 degree, remote super domestic, international counterparts reach leading in the world
It is horizontal.
Description of the drawings
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is just attempting for Fig. 1;
Fig. 3 is the cross-sectional view at AA in Fig. 2;
Fig. 4 is the left view of Fig. 1;
Fig. 5 is the structure diagram of fan shroud;
Fig. 6 is the structure diagram of circulating fan component;
Fig. 7 is the structure diagram of rear heating tube;
Fig. 8 is the structure diagram of upper heating tube;
Fig. 9 is the structure diagram of lower heating tube.
In figure:1. liner component, 2. Controls Palettes, 3. air draft shade assemblies, heating tube on 4., 5. liner temperature sensing
Device, 6. rear heating tubes, 7. times heating tubes, 8. bottom plates, 9. fan shrouds, 10. circulating fan components, 11. cooling blower components, 12.
Electrically-controlled component, 13. left air ports, 14. small ventilation holes, 15. inlet scoops, 16. big ventilation holes, 17. right air ports, 18. times air ports, 19.
Fan blade, 20. stents, 21. motors.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
As shown in Figure 1, Figure 2, in Fig. 3, Fig. 4 the embodiment described, a kind of electric oven liner temperature control system, including liner group
Part 1, the lower section of liner component 1 are equipped with bottom plate 8, the lower face of liner component 1 and are placed in the top of bottom plate 8 and are equipped with lower heating tube 7,
The top of liner component 1 is equipped with air draft shade assembly 3, and one end of air draft shade assembly 3 is equipped with cooling blower component 11, air draft shade assembly
3 other end is connected with liner component 1, the upper surface of liner component 1 and be placed in air draft shade assembly 3 lower section be equipped with upper heating tube
4, the top of air draft shade assembly 3 is equipped with electrically-controlled component 12, the front end face of liner component 1 and is placed in the front of electrically-controlled component 12 and is equipped with
Controls Palette 2, the rear end face of liner component 1 are equipped with fan shroud 9, and fan shroud 9 is equipped with ventilation hole, is set on fan shroud 9
There is a circulating fan component 10, the rear of liner component 1 and be placed in circulating fan component 10 equipped with rear heating tube 6, liner component 1
Be internally provided with liner temperature sensor 5, cooling blower component 11, Controls Palette 2, circulating fan component 10 and liner temperature
Degree sensor 5 be electrically connected with electrically-controlled component 12, electrically-controlled component 12 be equipped with heat-generating pipe drive circuit module, lower heating tube 7, on
Heating tube 4 and rear heating tube 6 are electrically connected by heat-generating pipe drive circuit module with electrically-controlled component 12.
As shown in figure 5, fan shroud 9 is equipped with inlet scoop 15 and air outlet, inlet scoop 15 is placed in the center of fan shroud 9
Place, as shown in fig. 6, circulating fan component 10 includes fan blade 19, stent 20 and motor 21, fan blade 19 is mounted on the one of stent 20
Side, motor 21 are mounted on the opposite side of stent 20, and motor 21 is connect with electrically-controlled component 12, and fan blade 19 is placed in the air draught of fan shroud 9
It is mounted on fan shroud 9 at mouth 15 and by stent 20, the shape of fan blade 19 is rounded, and fan blade 19 includes several blades, blade
Cross-sectional shape be L-shaped.Air outlet is placed on the side of fan shroud 9, and air outlet includes uptake, lower air port 18, left air port
13 and right air port 17, uptake be placed on the upper side edge of fan shroud 9, uptake include two big ventilation hole 16 and two small ventilations
Hole 14, wherein the 14 symmetrical distribution of big ventilation hole 16 and small ventilation hole, two small ventilation hole 14 are placed in two big ventilation holes
16 centre, lower air port 18 are placed on the lower side of fan shroud 9 and close to the left sides of fan shroud 9, and lower air port 18 includes three
Ventilation hole, the size of ventilation hole from left to right gradually increase, and left air port 13 is placed on the left side of fan shroud 9, and right air port 17 is put
In in the right edge of fan shroud 9 and being placed in the top of 9 right edge of fan shroud, wherein the size in right air port 17 and uptake is small logical
Air holes 14 is in the same size, and the size of three ventilation holes is all higher than the size of small ventilation hole 14 and is less than the size of big ventilation hole 16,
The size in left air port 13 is more than the size of big ventilation hole 16, uptake, lower air port 18, left air port 13 and the total size in right air port 17
Successively decrease successively.
Liner temperature sensor 5 is mounted on the rear end face of liner component 1 and is placed at the upper left position of fan shroud 9.
As shown in fig. 7, the shape of rear heating tube 6 is rounded, rear heating tube 6 is placed in 19 outside of fan blade of circulating fan, and rear heating tube 6 is
Integrally formed, rear heating tube 6 includes two round heating tubes, and the distance between two round heating tubes are consistent.Such as Fig. 8
Shown, the shape of upper heating tube 4 is in M shapes, and upper heating tube 4 is integrally formed, and upper heating tube 4 includes three U-shaped heating tubes, and three
The shape and length of a U-shaped heating tube are consistent, and three U-shaped heating tubes are evenly distributed in upper heating tube 4, and adjacent two
The distance between a U-shaped heating tube and the openings of sizes of U-shaped heating tube are consistent, the openend of two neighboring U-shaped heating tube
It is connected by arc transition.As shown in figure 9, the shape of lower heating tube 7 takes the shape of the letter U, lower heating tube 7 is integrally formed, lower heating
The open interior shape of pipe 7 is oval.
The present invention also provides a kind of methods of electric oven liner temperature control system, specifically comprise the following steps:
(1) operating mode and parameter, after startup, the upper heating tube in liner component 1 are set by Controls Palette 2
4th, lower heating tube 7, rear heating tube 6, circulating fan component 10, cooling blower component 11 start full power operation;
(2) with the heating of upper heating tube 4, lower heating tube 7, rear heating tube 6 in liner component 1, in liner component 1
Temperature gradually rises, simultaneously because the work of circulating fan component 10, the rotation of fan blade 19 on circulating fan component 10 passes through suction
Air in liner component 1 and heat are drawn into the inside of fan shroud 9, then the heat by rear heating tube 6 in fan shroud 9 by air port 15
Amount is big by the left air port 13 in 9 left side of fan shroud, the right air port 17 of 9 right upper portion of fan shroud, four differences of 9 upside of fan shroud
Small uptake, 9 downside of fan shroud three different size of lower air ports 18 blow out, so as to be formed in the inside of liner component 1
Hot air convection recycles, and constantly stirs hot-air, makes hot-air in liner component 1 evenly;
(3) the liner temperature sensor 5 in liner component 1 detects that the temperature in liner component 1 reaches electrically-controlled component 12
During the theoretical thermic load intelligent positioning temperature range of setting, signal is fed back into electrically-controlled component 12, at this time in electrically-controlled component 12
The silicon-controlled signal fed back by liner temperature sensor 5, the continuous variation for adjusting voltage adjust the theoretical heat of output
6 power of corresponding upper heating tube 4, lower heating tube 7 and rear heating tube;Upper heating tube 4, lower heating tube 7, rear heating tube 6, circulated air
The unlatching of thermomechanical components 10 and cooling blower component 11 and output power are mutually switched according to constant temperature algorithm, so that it is guaranteed that liner
Central temperature in component 1 is fluctuated within control range;
(4) the liner temperature sensor 5 in liner component 1 detects that the temperature in liner component 1 reaches electrically-controlled component 12
During the temperature range of interior PID control, according to liner temperature and the temperature difference of set temperature, using PID control and the calculation of fuzzy control
Method adjusts the output power of upper heating tube 4, lower heating tube 7 and rear heating tube 6, reaches the accurate of control liner temperature and stablizes,
Make its control within 1 degree;Upper heating tube 4, lower heating tube 7, rear heating tube 6, circulating fan component 10 and cooling blower component
11 unlatching and output power are mutually switched according to constant temperature algorithm, so that it is guaranteed that the central temperature fluctuation in liner component 1
Within control range;Wherein:The size of power is with the temperature change in liner component 1, and real-time small range fluctuates, this
When three heating tubes power only need to maintain the temperature in liner component 1 not exceed the power within 1 degree, about
The 20% of total power less than.
The structure design that the present invention passes through fan shroud 9 and circulating fan component 10 so that upper heating tube 4 and lower heating tube 7
The heat of generation is inhaled into wind by 16 rectangular inlet scoops 15 that the combination of the positive middle of fan shroud 9 is symmetrically arranged
In hood 9;At the same time, the heat generated with the rear heating tube 6 in fan shroud 9 passes through the fan blade 19 on circulating fan component 10
After being thoroughly mixed, and different size and the rectangle of different number on the upper and lower, left and right side out of fan shroud 9
Hole is blown to inside liner component 1, so as to form air thermal convection current so that the air themperature in liner component 1 is in uniform shape
State;The design of liner temperature sensor 5, for precisely detecting the temperature in liner component 1;Heat-generating pipe drive circuit module uses
SCR control mode can distinguish 6 output power of heating tube 7 under step-less adjustment, upper heating tube 4 and rear heating tube, coordinate intelligence
Can positioning combination PID control and fuzzy control thermostatic control algorithm, can more accurate quantity of heat given up, so as to improve oven product
Heating time and temperature control precision and temperature stability.
Claims (9)
1. a kind of electric oven liner temperature control system, it is characterized in that, including liner component (1), under the liner component (1)
Side be equipped with bottom plate (8), the lower face of the liner component (1) and be placed in bottom plate (8) top be equipped with lower heating tube (7), it is described
The top of liner component (1) is equipped with air draft shade assembly (3), and one end of the air draft shade assembly (3) is equipped with cooling blower component
(11), the other end of the air draft shade assembly (3) is connected with liner component (1), the upper surface of the liner component (1) and is placed in
The lower section of air draft shade assembly (3) is equipped with upper heating tube (4), and the top of the air draft shade assembly (3) is equipped with electrically-controlled component (12), institute
The front stated the front end face of liner component (1) and be placed in electrically-controlled component (12) is equipped with Controls Palette (2), the liner component
(1) rear end face is equipped with fan shroud (9), and the fan shroud (9) is equipped with ventilation hole, and the fan shroud (9) is equipped with
Circulating fan component (10), the rear of the liner component (1) and is placed in circulating fan component (10) equipped with rear heating tube
(6), the liner component (1) is internally provided with liner temperature sensor (5), the cooling blower component (11), control plane
Plate component (2), circulating fan component (10) and liner temperature sensor (5) are electrically connected with electrically-controlled component (12), the electricity
It controls component (12) and is equipped with heat-generating pipe drive circuit module, the lower heating tube (7), upper heating tube (4) and rear heating tube (6)
It is electrically connected by heat-generating pipe drive circuit module with electrically-controlled component (12).
2. a kind of electric oven liner temperature control system according to claim 1, it is characterized in that, the fan shroud (9)
Inlet scoop (15) and air outlet are equipped with, the inlet scoop (15) are placed in the center position of fan shroud (9), the cycle
Fan assembly (10) includes fan blade (19), stent (20) and motor (21), and the fan blade (19) is mounted on the one of stent (20)
Side, mounted on the opposite side of stent (20), the motor (21) is connect the motor (21) with electrically-controlled component (12), described
Fan blade (19) be placed at the inlet scoop (15) of fan shroud (9) and by stent (20) on fan shroud (9), the fan blade
(19) shape is rounded, and the fan blade (19) includes several blades, and the cross-sectional shape of the blade is L-shaped.
3. a kind of electric oven liner temperature control system according to claim 2, it is characterized in that, the air outlet is placed in
On the side of fan shroud (9), the air outlet includes uptake, lower air port (18), left air port (13) and right air port (17), institute
The uptake stated is placed on the upper side edge of fan shroud (9), the uptake include two big ventilation hole (16) and it is two small lead to
Air holes (14), wherein big ventilation hole (16) and small ventilation hole (14) symmetrical distribution, two small ventilation hole (14) are placed in two
The centre of a big ventilation hole (16), the lower air port (18) are placed on the lower side of fan shroud (9) and close to fan shroud (9)
Left side, the lower air port (18) include three ventilation holes, and the size of the ventilation hole from left to right gradually increases, described
Left air port (13) is placed on the left side of fan shroud (9), and the right air port (17) is placed in the right edge of fan shroud (9) and puts
In the top of fan shroud (9) right edge, wherein the small ventilation hole (14) of the size of right air port (17) and uptake is in the same size, three
The size of a ventilation hole is all higher than the size of small ventilation hole (14) and less than the size of big ventilation hole (16), the left air port (13)
Size be more than the size of big ventilation hole (16), the uptake, lower air port (18), left air port (13) and right air port (17) it is total
Size is successively decreased successively.
4. a kind of electric oven liner temperature control system according to Claims 2 or 3, it is characterized in that, the liner temperature
Degree sensor (5) is on the rear end face of liner component (1) and is placed at the upper left position of fan shroud (9).
5. a kind of electric oven liner temperature control system according to Claims 2 or 3, it is characterized in that, the rear heating tube
(6) shape is rounded, and the rear heating tube (6) is placed on the outside of the fan blade (19) of circulating fan, the rear heating tube (6)
It is that integrally formed, described rear heating tube (6) includes two round heating tubes, the distance between two round heating tubes are one
It causes.
6. a kind of electric oven liner temperature control system according to claims 1 or 2 or 3, it is characterized in that, the upper heating
The shape of (4) is managed in M shapes, the upper heating tube (4) is integrally formed, and the upper heating tube (4) is heated including three U-shapeds
Pipe, the shape and length of three U-shaped heating tubes are consistent, and three U-shaped heating tubes are in upper heating tube (4) in uniformly point
The distance between cloth, two neighboring U-shaped heating tube and the openings of sizes of U-shaped heating tube are consistent, two neighboring U-shaped heating tube
Openend connected by arc transition.
7. a kind of electric oven liner temperature control system according to claims 1 or 2 or 3, it is characterized in that, the lower heating
The shape of pipe (7) takes the shape of the letter U, and the lower heating tube (7) is integrally formed, the open interior shape of the lower heating tube (7)
It is oval.
8. a kind of method of electric oven liner temperature control system, it is characterized in that, specifically comprise the following steps:
(1) operating mode and parameter are set by Controls Palette, after startup, upper heating tube in liner component, it is lower plus
Heat pipe, rear heating tube, circulating fan component, cooling blower component start full power operation;
(2) temperature in liner component gradually rises, and the fan blade rotation on circulating fan component passes through inlet scoop by liner component
Interior air and heat is drawn into the inside of fan shroud, then the air outlet that the heat of rear heating tube in fan shroud is passed through fan shroud
Blowout so as to form hot air convection cycle in the inside of liner component, constantly stirs hot-air, makes the heat in liner component empty
Gas is evenly;
(3) the liner temperature sensor in liner component detects that the temperature in liner component reaches the theory of electrically-controlled component setting
During thermic load intelligent positioning temperature range, signal is fed back into electrically-controlled component, adjust the corresponding upper heating tube of the theoretical heat of output,
Lower heating tube and rear heating tube power;
(4) the liner temperature sensor in liner component detects that the temperature in liner component reaches the temperature of electrically-controlled component control
During section, according to liner temperature and the temperature difference of set temperature, the output work of heating tube, lower heating tube and rear heating tube in adjusting
Rate reaches the accurate of control liner temperature and stablizes.
9. a kind of electric oven liner temperature control system according to claim 8, it is characterized in that, in step (3) and step
(4) in, upper heating tube, lower heating tube, rear heating tube, circulating fan component and the unlatching of cooling blower component and output power root
Mutually switched according to constant temperature algorithm, so that it is guaranteed that the central temperature in liner component is fluctuated within control range.
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CN201810088264.5A CN108209608A (en) | 2018-01-29 | 2018-01-29 | A kind of electric oven liner temperature control system and its method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109567615A (en) * | 2018-11-29 | 2019-04-05 | 樱花卫厨(中国)股份有限公司 | The uniform oven of baking temperature and oven internal temperature field analysis method |
CN111329360A (en) * | 2020-03-27 | 2020-06-26 | 华帝股份有限公司 | Multilayer humidity control cooking device and control method thereof |
CN114041694A (en) * | 2021-11-08 | 2022-02-15 | 华帝股份有限公司 | Temperature system and control method of cooking appliance and steaming and baking oven applying temperature system and control method |
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