CN208114519U - A kind of electric oven liner temperature control system - Google Patents
A kind of electric oven liner temperature control system Download PDFInfo
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- CN208114519U CN208114519U CN201820143878.4U CN201820143878U CN208114519U CN 208114519 U CN208114519 U CN 208114519U CN 201820143878 U CN201820143878 U CN 201820143878U CN 208114519 U CN208114519 U CN 208114519U
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Abstract
The utility model discloses a kind of electric oven liner temperature control systems.It includes liner component, the lower section of liner component is equipped with bottom plate, the lower end surface 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, the inside of liner component is equipped 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 utility model has the beneficial effects that：Substantially increase the control precision of the central temperature in liner component.
Description
Technical field
The utility model relates to electric oven correlative technology fields, refer in particular to a kind of electric oven liner temperature control system.
Background technique
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 composition such as sensor, heat-preservation cotton.Due to electric oven all be using tubular metal heating tube plus circulating fan component formed heat it is right
Stream, heat radiation, heat transfer heat the air in liner component, so that the temperature in liner component be made constantly to increase, then lead to
It crosses electric-control system and transfers signals on liner temperature sensor and control is carried out to reaching cooking food to the temperature in liner
Purpose.It is difficult control to comparing accurately temperature since the principle of this heating has led to the temperature in liner component, from
And cause the temperature fluctuation in liner component bigger, unevenly, keep some places of the food cooked ripe, some places
Jiao Liao, also to be ripe, some places fail to colour in some places；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.
Utility model content
The utility model is that in order to overcome the above deficiencies in the prior art, providing one kind can be improved electric oven
The electric oven liner temperature control system of central temperature control precision in liner component.
To achieve the goals above, the utility model uses following technical scheme：
The lower section of a kind of electric oven liner temperature control system, including liner component, the liner component is equipped with bottom plate, institute
It states the lower end surface of liner component and is placed in the top of bottom plate and be equipped with lower heating tube, the top of the liner component is equipped with exhaust hood group
One end of part, the air draft shade assembly is equipped with cooling blower component, and the other end of the air draft shade assembly is connected to liner component,
The upper surface of the liner component and lower section for being placed in air draft shade assembly is equipped with upper heating tube, sets above the air draft shade assembly
There is an electrically-controlled component, the front end face of the liner component and front for being placed in electrically-controlled component is 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.
It is designed by the structure 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 it is blown to liner component internal, so that air thermal convection is formed, 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,
Can more accurate quantity of heat given up, to improve oven product heating time and temperature control precision and temperature stability.
Preferably, the fan shroud is equipped with air inlet and air outlet, the air inlet is placed in fan shroud
At heart position, the circulating fan component includes fan blade, bracket and motor, and the fan blade is mounted on the side of bracket, institute
The motor stated is mounted on the other side of bracket, 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 bracket, 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 shape.By the structure design of fan blade on circulating fan component, L shape blade makes air inlet
Air draught efficiency greatly improves, to improve the mobility of air in liner component, makes it to central temperature in liner component
Regulate and control 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 in the left side on the lower side of fan shroud and close to fan shroud, the leeward
Mouth includes three ventilation holes, and the size of the ventilation hole is from left to right gradually increased, 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 larger than the size of small ventilation hole and is less than big logical
The size of air holes, the size in the left air port are greater 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 successively decreased.The positive middle combination of fan shroud has been symmetrically arranged 16 slot composition air inlets, 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 blower
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 air thermal convection is formed, 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
It answers, it is therefore provided that temperature sensor can preferably detect the temperature value in liner component, improves detection accuracy.
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 enable fan blade preferably to drive in rotation
The heat that rear heating tube generates, so that heating is more uniform.
Preferably, the shape of the upper heating tube is in M shape, the upper heating tube be it is integrally formed, it is described upper plus
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 open end 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 is in U-shape, the lower heating tube be it is integrally formed, it is described lower plus
The open interior shape of heat pipe is oval.The shape and structure of lower heating tube designs while cooperating setting for fan shroud or more air port
Meter can follow well the flowing of air in liner component, so that recycle heat is more uniform.
The utility model has the beneficial effects that：Pass through the quantity and size of the air outlet of four sides above and below fan shroud or so
Assembled arrangement, circulating fan rotating speed, the size for recycling fan blade and high and low position, the shape of three heating tubes, arrangement and automatically controlled
The SCR control of component, power output variation, the control of liner temperature sensor, substantially increase the center in liner component
The control precision of temperature, so as to which so that central temperature can control within 1 degree, remote super domestic, international counterparts reach international
Top standard.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is just attempting for Fig. 1；
Fig. 3 is the schematic diagram of the section structure in Fig. 2 at AA；
Fig. 4 is the left view of Fig. 1；
Fig. 5 is the structural schematic diagram of fan shroud；
Fig. 6 is the structural schematic diagram of circulating fan component；
Fig. 7 is the structural schematic diagram of rear heating tube；
Fig. 8 is the structural schematic diagram of upper heating tube；
Fig. 9 is the structural schematic 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. lower 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. air inlets, 16. big ventilation holes, 17. right air ports, 18. lower air ports, 19.
Fan blade, 20. brackets, 21. motors.
Specific embodiment
The utility model is 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
The lower section of part 1, liner component 1 is equipped with lower heating tube 7 equipped with bottom plate 8, the lower end surface of liner component 1 and the top for being placed in bottom plate 8,
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 to 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 the liner component 1 and front for being placed in electrically-controlled component 12 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, sets on fan shroud 9
There is a circulating fan component 10, the rear of liner component 1 and is placed in circulating fan component 10 equipped with rear heating tube 6, liner component 1
Inside be equipped 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 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 air inlet 15 and air outlet, air inlet 15 is placed in the center of fan shroud 9
Place, as shown in fig. 6, circulating fan component 10 includes fan blade 19, bracket 20 and motor 21, fan blade 19 is mounted on the one of bracket 20
Side, motor 21 are mounted on another-side of bracket 20, and motor 21 is connect with electrically-controlled component 12, and fan blade 19 is placed in the air inlet of fan shroud 9
It is mounted on fan shroud 9 at 15 and by bracket 20, the shape of fan blade 19 is rounded, and fan blade 19 includes several blades, blade
Cross-sectional shape is L shape.Air outlet is placed on the side of fan shroud 9, and air outlet includes uptake, lower air port 18, left air port 13
With right air port 17, uptake is placed on the upper side edge of fan shroud 9, and uptake includes two big ventilation hole 16 and two small ventilation holes
14, wherein big ventilation hole 16 and the symmetrical distribution of small ventilation hole 14, two small ventilation hole 14 is placed in two big ventilation hole 16
Centre, lower air port 18 is placed on the lower side of fan shroud 9 and close to the left side of fan shroud 9, and lower air port 18 includes three logical
The size of air holes, ventilation hole is from left to right gradually increased, and left air port 13 is placed on the left side of fan shroud 9, and right air port 17 is placed in
In the right edge of fan shroud 9 and it is placed in the top of 9 right edge of fan shroud, wherein the small ventilation of the size in right air port 17 and uptake
Hole 14 is in the same size, and the size of three ventilation holes is all larger than the size of small ventilation hole 14 and is less than the size of big ventilation hole 16, left
The size in air port 13 be greater than big ventilation hole 16 size, uptake, lower air port 18, left air port 13 and the total size in right air port 17 according to
It is secondary to successively decrease.
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 shape, upper heating tube 4 be it is integrally formed, upper heating tube 4 includes three U-shaped heating tubes, 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 open end 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 is in U-shape, lower heating tube 7 is integrally formed, lower heating
The open interior shape of pipe 7 is oval.
When electric oven is started to work, operating mode and parameter are arranged by Controls Palette 2, after starting, liner
Upper heating tube 4, lower heating tube 7 in component 1, rear heating tube 6, circulating fan component 10, cooling blower component 11 start full function
Rate work；Temperature with the heating of upper heating tube 4, lower heating tube 7, rear heating tube 6 in liner component 1, in liner component 1
It gradually rises, simultaneously because the work of circulating fan component 10, the rotation of fan blade 19 on circulating fan component 10 passes through air inlet
15 by liner component 1 air and heat be drawn into the inside of fan shroud 9, then the heat of rear heating tube 6 in fan shroud 9 is led to
Cross the left air port 13 in the left side of fan shroud 9, the right air port 17 of 9 right upper portion of fan shroud, four of 9 upside of fan shroud it is different size of
Three different size of lower blowouts of air ports 18 of uptake, 9 downside of fan shroud, to form hot wind in the inside of liner component 1
Hot-air is constantly stirred in convection circulation, makes hot-air in liner component 1 more evenly；Liner temperature in liner component 1 passes
When sensor 5 detects that the temperature in liner component 1 reaches the theoretical thermic load intelligent positioning temperature range of the setting of electrically-controlled component 12,
Signal is fed back into electrically-controlled component 12, silicon-controlled in electrically-controlled component 12 is fed back by liner temperature sensor 5 at this time
Signal, the continuous variation for adjusting voltage adjust and export the corresponding upper heating tube 4 of theoretical heat, lower heating tube 7 and rear heating tube
6 power；Liner temperature sensor 5 in liner component 1 detects that the temperature in liner component 1 reaches the control of electrically-controlled component 12
When temperature range, according to the temperature difference of liner temperature and setting temperature, heating tube 4 in adjusting, lower heating tube 7 and rear heating tube 6
Output power reaches the accurate of control liner temperature and stablizes, makes its control within 1 degree；Upper heating tube 4, lower heating tube 7,
Rear heating tube 6, the unlatching of circulating fan component 10 and cooling blower component 11 and output power carry out mutual according to constant temperature algorithm
Switching, so that it is guaranteed that the central temperature in liner component 1 fluctuates within control range；Wherein：The size of power is with interior
Temperature change in gallbladder component 1, real-time small range fluctuation, the power of three heating tubes only needs to maintain liner component 1 at this time
Interior temperature does not exceed the power within 1 degree, about the 20% of total power less than.
The utility model is by the design of the structure of fan shroud 9 and circulating fan component 10, so that upper heating tube 4 and lower heating
The heat that pipe 7 generates is inhaled by 16 rectangular air inlets 15 that the combination of the positive middle of fan shroud 9 is symmetrically arranged
Into fan shroud 9；At the same time, the heat generated with the rear heating tube 6 in fan shroud 9 passes through the wind on circulating fan component 10
After leaf 19 is thoroughly mixed, and from the length of different size and different number on the upper and lower, left and right side in fan shroud 9
Square hole is blown to inside liner component 1, so that air thermal convection is formed, so that the air themperature in liner component 1 is in equal
Even state；The design of liner temperature sensor 5, for precisely detecting the temperature in liner component 1；Heat-generating pipe drive circuit module
Using SCR control mode, 6 output power of heating tube 7 under step-less adjustment, upper heating tube 4 and rear heating tube can be distinguished, it can
With more accurate quantity of heat given up, to improve oven product heating time and temperature control precision and temperature stability.
Claims (7)
1. a kind of electric oven liner temperature control system, characterized in that including liner component (1), under the liner component (1)
Side is equipped with lower heating tube (7) equipped with bottom plate (8), the lower end surface of the liner component (1) and the top for being placed in bottom plate (8), 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 to 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
It states the front end face of liner component (1) and the front for being 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 inside of the liner component (1) is equipped with liner temperature sensor (5), the cooling blower component (11), control plane
Board group part (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, characterized in that the fan shroud (9)
It is equipped with air inlet (15) and air outlet, the air inlet (15) are placed in the center position of fan shroud (9), the circulation
Fan assembly (10) includes fan blade (19), bracket (20) and motor (21), and the fan blade (19) is mounted on the one of bracket (20)
Side, the motor (21) are mounted on the other side of bracket (20), and the motor (21) is connect with electrically-controlled component (12), described
Fan blade (19) be placed at the air inlet (15) of fan shroud (9) and be mounted on fan shroud (9) by bracket (20), 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 shape.
3. a kind of electric oven liner temperature control system according to claim 2, 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 is from left to right gradually increased, 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 sets
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 larger than the size of small ventilation hole (14) and is less than the size of big ventilation hole (16), the left air port (13)
Size be greater 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 successively decreased.
4. a kind of electric oven liner temperature control system according to claim 2 or 3, characterized in that the liner temperature
Degree 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).
5. a kind of electric oven liner temperature control system according to claim 2 or 3, 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) include 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 claim 1 or 2 or 3, characterized in that the upper heating
The shape for managing (4) is in M shape, the upper heating tube (4) be it is integrally formed, the upper heating tube (4) includes the heating of three U-shapeds
Pipe, the shape and length of three U-shaped heating tubes are consistent, and three U-shaped heating tubes are on upper heating tube (4) in uniformly point
Cloth, the distance between two neighboring U-shaped heating tube and the openings of sizes of U-shaped heating tube are consistent, two neighboring U-shaped heating tube
Open end pass through arc transition connect.
7. a kind of electric oven liner temperature control system according to claim 1 or 2 or 3, characterized in that the lower heating
The shape of pipe (7) is in U-shape, and the lower heating tube (7) is integrally formed, the open interior shape of the lower heating tube (7)
It is oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820143878.4U CN208114519U (en) | 2018-01-29 | 2018-01-29 | A kind of electric oven liner temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820143878.4U CN208114519U (en) | 2018-01-29 | 2018-01-29 | A kind of electric oven liner temperature control system |
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| Publication Number | Publication Date |
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| CN208114519U true CN208114519U (en) | 2018-11-20 |
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ID=64206390
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| CN201820143878.4U Active CN208114519U (en) | 2018-01-29 | 2018-01-29 | A kind of electric oven liner temperature control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108209608A (en) * | 2018-01-29 | 2018-06-29 | 杭州德意电器股份有限公司 | A kind of electric oven liner temperature control system and its method |
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2018
- 2018-01-29 CN CN201820143878.4U patent/CN208114519U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108209608A (en) * | 2018-01-29 | 2018-06-29 | 杭州德意电器股份有限公司 | A kind of electric oven liner temperature control system and its method |
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