CN204813493U - Electric oven - Google Patents
Electric oven Download PDFInfo
- Publication number
- CN204813493U CN204813493U CN201520480415.3U CN201520480415U CN204813493U CN 204813493 U CN204813493 U CN 204813493U CN 201520480415 U CN201520480415 U CN 201520480415U CN 204813493 U CN204813493 U CN 204813493U
- Authority
- CN
- China
- Prior art keywords
- heating element
- switch
- element heater
- electric oven
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0258—For cooking
- H05B1/0261—For cooking of food
- H05B1/0263—Ovens
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The utility model discloses an electric oven. This electric oven includes a heating element, the 2nd heating element, first switch, second switch, and the control part, first switch is single -pole double -throw, the first end that a heating element's first anode was connected, the end that moves of first switch is connected to a heating element's first negative terminal, two of first switch decide second end that the end connected respectively and the 2nd heating element's second anode, the second end that the first end that the 2nd heating element's second anode was connected through the second switch, the 2nd heating element's second negative terminal were connected, and heating element, single -pole double -throw and second switch all are connected with the control part electricity. It controls the series -parallel connection mode between each heating element through single -pole double -throw in a flexible way, makes electric oven's heating power control more diversified. It is more balanced also to make the inside temperature field of electric oven.
Description
Technical field
The utility model relates to household electrical appliance and circuit engineering field, particularly relates to a kind of electric oven.
Background technology
Electric oven is the kitchen appliance of the radiant heat baking food utilizing heating to send.Electric oven can be used for toasting some food.Along with the development of technology, electric oven also progressively develops into from the electric oven of traditional far-infrared tube or a quartz heating element product being provided with two or more heatings.But current used electric oven, it generally controls separately each heating, is connected in parallel with each other between multiple heating, is controlled the gear of electric oven by the quantity connecting heating.But the controlled gear of this control mode is few, the oven cooking cycle duration and degree of heating controls underaction.
Utility model content
Based on this, be necessary the problem controlling underaction for electric oven gear in conventional art, a kind of new electric oven is provided.
For realizing a kind of electric oven that the utility model object provides, comprise the first heating element heater, the second heating element heater, the first switch, second switch, and control part;
Described first switch is single-pole double-throw switch (SPDT), and described first heating element heater and described second heating element heater are heating element heater;
First anode of described first heating element heater connects the first end of power supply, and the first negative terminal of described first heating element heater connects the moved end of described first switch;
Two fixed ends of described first switch connect the second end of described power supply and the second anode of described second heating element heater respectively;
Second anode of described second heating element heater connects the first end of described power supply by described second switch, the second negative terminal of described second heating element heater connects the second end of described power supply; And
Described heating element heater, described single-pole double-throw switch (SPDT) and described second switch are all electrically connected with described control part.
As a kind of embodiment of electric oven, also comprise the 3rd heating element heater, the 3rd switch and the 4th switch, and described 3rd heating element heater is also heating element heater, described second switch, described 3rd switch and described 4th switch are also single-pole double-throw switch (SPDT);
Described 3rd switch is connected between described second negative terminal and described power supply second end, and the moved end of described 3rd switch connects the second negative terminal of described second heating element heater, two fixed ends of described 3rd switch connect the second end of described power supply and the 3rd anode of described 3rd heating element heater respectively;
The moved end of described second switch connects the second anode of described second heating element heater, and a fixed end connects a fixed end of described 4th switch, and another fixed end connects the first end of described power supply;
3rd negative terminal of described 3rd heating element heater connects the second end of described power supply, and the 3rd anode of described 3rd heating element heater connects the moved end of described 4th switch;
The fixed end that described 4th switch is not connected with described second switch is connected with the first end of described power supply.
As a kind of embodiment of electric oven, described first heating element heater is arranged on the top of baking box inside, and described second heating element heater is arranged on the bottom of described baking box, and described 3rd heating element heater is arranged on the rear portion of the baking box relative with oven door.
As a kind of embodiment of electric oven, described 3rd heating element heater is loop configuration, and described first heating element heater and described second heating element heater are zig-zag structure.
As a kind of embodiment of electric oven, described control part is provided with control button or control handle.
As a kind of embodiment of electric oven, described control part is provided with display screen.
As a kind of embodiment of electric oven, described control part main body is printed circuit board (PCB).
As a kind of embodiment of electric oven, the connecting line that the first end of described power supply inputs near electric energy is provided with master switch, and described master switch is electrically connected with described control part.
As a kind of embodiment of electric oven, described heating element heater is heating tube.
The beneficial effects of the utility model comprise: a kind of electric oven that the utility model provides, it connects the heating element heater of electric oven inside by single-pole double-throw switch (SPDT), thus the connection in series-parallel connected mode that can control between each heating element heater flexibly by single-pole double-throw switch (SPDT), the heating power of electric oven is controlled more diversified.Also make the temperature field of electric oven inside more balanced.
Accompanying drawing explanation
Fig. 1 is the circuit connection diagram of a specific embodiment of a kind of electric oven of the utility model;
Fig. 2 is the circuit connection diagram of another specific embodiment of a kind of electric oven of the utility model;
Fig. 3 is the circuit connection diagram of a specific embodiment again of a kind of electric oven of the utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, be described below in conjunction with the detailed description of the invention of accompanying drawing to electric oven of the present utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The electric oven of the utility model one embodiment, its internal circuit structure as shown in Figure 1, comprises the first heating element heater 110, second heating element heater 120, first switch 210, second switch 220, and control part 300.First heating element heater 110 and the second heating element heater 120, first switch 210 are a single-pole double-throw switch (SPDT) to two heating element heaters respectively.First anode of described first heating element heater 110 connects the first end of power supply, and the first negative terminal of described first heating element heater 110 connects the moved end of described first switch 210.
Two fixed end A with B of described first switch 210 are connected the second end of described power supply and the second anode of described second heating element heater 120 respectively.Wherein fixed end A connects the second end of power supply, and fixed end B connects the second anode of the second heating element heater 120.Certainly, the first end of described power supply can be the positive terminal of input voltage, and also can be the negative pole end of input voltage, as shown in Figure 1, the first end that can connect power supply be the negative pole end of power supply.During connection fixed end, the moved end A of the first switch 210, then the first heating element heater 110 is communicated with the both positive and negative polarity of power supply, starts heating work.
Second anode of described second heating element heater 120 connects the first end of described power supply by described second switch 220, the second negative terminal of described second heating element heater 120 connects the second end of described power supply.When described second switch 220 is communicated with the first end of power supply, then described second heating element heater 120 is communicated with the both positive and negative polarity of power supply, can heating work.Thus, known, the first heating element heater 110 can be communicated with separately with the second heating element heater 120, and introducing can be communicated with simultaneously.More particularly, as the moved end connection fixed end B of the first switch 210 and second switch 220 disconnects time, then the first heating element heater 110 and the second heating element heater 120 form series loop is electric oven heating.
And the first switch 210 and second switch 220 are when all disconnecting, then two heating element heaters in baking box all quit work.
From description above, the electric oven of the utility model embodiment, tightly can not control separately the duty of each heating element heater, and can also be together in series two heating element heaters work, can provide more low power heating during series connection for electric oven.Low-power heating can make the temperature field of electric oven inside more even, fluctuates little.
It should be noted that, heating element heater (the first heating element heater and the second heating element heater), single-pole double-throw switch (SPDT) (the first switch) and described second switch 220 in the utility model are all electrically connected with described control part 300.User controls to control electric oven by control part 300.And as a kind of embodiment, described heating element heater can be heating tube.
In the electric oven of another embodiment, as shown in Figure 2, arrange three heating element heaters in electric oven, the 3rd heating element heater is the 3rd heating element heater 130, also comprising another single-pole double-throw switch (SPDT) is accordingly the 3rd switch 230, and described second switch 220 is also single-pole double-throw switch (SPDT).Described 3rd switch 230 is connected between the second negative terminal of the second heating element heater 120 and described power supply second end, and the moved end of described 3rd switch 230 connects the second negative terminal of described second heating element heater 120, two fixed ends of described 3rd switch 230 connect the second end of described power supply and the 3rd anode of described 3rd heating element heater 130 respectively.As shown in Figure 2, the fixed end E of the 3rd switch 230 connects the second end of described power supply, and the fixed end F of the 3rd switch 230 connects the 3rd anode of the 3rd heating element heater 130.The moved end of described second switch 220 connects the second anode of described second heating element heater 120, and fixed end D connects the fixed end G of described 4th switch 240, and fixed end C connects the first end end of described power supply.3rd negative terminal of described 3rd heating element heater 130 connects the second end of power supply, and the 3rd anode of the 3rd heating element heater 130 connects the moved end of the 4th switch 240.The fixed end H that described 4th switch 240 is not connected with described second switch 220 is connected with the first end of power supply.
In the present embodiment, the multiple connection in series-parallel connected mode between three heating element heaters can be realized.As fixed end A connected by the first switch 210, fixed end E connected by the 3rd switch 230, and second switch 220 connects fixed end D, and fixed end H connected by the 4th switch 240, now, parallel with one another between three heating element heaters, realizes peak power and heats up; And the first switch 220 is communicated with fixed end B, second switch 220 is not communicated with, and the 3rd switch 230 is communicated with fixed end F, and when the 4th switch 240 is not also communicated with, forms series loop between three heating element heaters, realizes the insulation of electric oven minimum power; And when the first switch 210 connects fixed end B, second switch 220 is not communicated with, 3rd switch 230 is communicated with fixed end E, and when the 4th switch 240 is communicated with fixed end H, in parallelly with the 4th heating element heater again after realizing the first heating element heater 110 and the series connection of the second heating element heater 120 heats electric oven interior items.Those skilled in the art can know by inference, can realize other connection in series-parallel connected mode when needed, to reach the computer heating control of different capacity.
If be provided with four heating element heaters in electric oven, then circuit connection structure as shown in Figure 3.
So can drawing, when arranging more heating element heater in electric oven, then increasing the quantity of the switch of single-pole double throw accordingly, and carry out corresponding circuit connection.
In addition, when three heating element heaters are set in electric oven, the first heating element heater 110 can be arranged on the top of baking box inside, the second heating element heater 120 be arranged on the bottom of described baking box, the 3rd heating element heater 130 be arranged on the rear portion of the baking box relative with oven door.Multi-directionally equilibrium like this be heating objects in electric oven.
More preferably, wherein in an embodiment, described 3rd heating element heater 130 is designed to loop configuration, described first heating element heater 110 and described second heating element heater 120 are zig-zag structure.Thus in limited space, extend the length of heating element heater, also expand heating surface area, make the temperature field in electric oven more balanced.
More preferably, control button or control handle can be provided with on control part 300.Make operator by control button or the corresponding heating element heater of control handle control connection, realize the heating of different capacity.
As a kind of embodiment, also display screen can be set on described control part 300.Gear performed by accurate display.Also can show the parameters such as the temperature in electric oven simultaneously.
Wherein, described control part 300 main body can be printed circuit board (PCB).And the suitable control of element realization to electric oven is installed on the printed circuit board.
In addition, the connecting line that can also input near electric energy at the first end of described power supply arranges master switch, and described master switch is electrically connected with described control part 300.Thus directly control to be communicated with or to disconnect heating element heaters all in electric oven by control part 300.Can when needs disconnect baking box more easily by closedown electric oven of cutting off the electricity supply.And control to cut off the electricity supply also to strengthen the security of electric oven by this master switch.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. an electric oven, is characterized in that, comprises the first heating element heater (110), the second heating element heater (120), the first switch (210), second switch (220), and control part (300);
Described first switch (210) is single-pole double-throw switch (SPDT), and described first heating element heater (110) and described second heating element heater (120) are heating element heater;
First anode of described first heating element heater (110) connects the first end of power supply, and the first negative terminal of described first heating element heater (110) connects the moved end of described first switch (210);
Two fixed ends of described first switch (210) connect the second end of described power supply and the second anode of described second heating element heater (120) respectively;
Second anode of described second heating element heater (120) connects the first end of described power supply by described second switch (220), the second negative terminal of described second heating element heater (120) connects the second end of described power supply; And
Described heating element heater, described single-pole double-throw switch (SPDT) and described second switch (220) are all electrically connected with described control part (300).
2. electric oven according to claim 1, it is characterized in that, also comprise the 3rd heating element heater (130), the 3rd switch (230) and the 4th switch (240), and described 3rd heating element heater (130) is also heating element heater, described second switch (220), described 3rd switch (230) and the 4th switch (240) are also single-pole double-throw switch (SPDT);
Described 3rd switch (230) is connected between described second negative terminal and described power supply second end, and the moved end of described 3rd switch (230) connects the second negative terminal of described second heating element heater (120), two fixed ends of described 3rd switch (230) connect the second end of described power supply and the 3rd anode of described 3rd heating element heater (130) respectively;
The moved end of described second switch (220) connects the second anode of described second heating element heater (120), and a fixed end connects a fixed end of described 4th switch (240), and another fixed end connects the first end of described power supply;
3rd negative terminal of described 3rd heating element heater (130) connects the second end of described power supply, and the 3rd anode of described 3rd heating element heater (130) connects the moved end of described 4th switch (240);
The fixed end that described 4th switch (240) is not connected with described second switch (220) is connected with the first end of described power supply.
3. electric oven according to claim 2, it is characterized in that, described first heating element heater (110) is arranged on the top of baking box inside, described second heating element heater (120) is arranged on the bottom of described baking box, and described 3rd heating element heater (130) is arranged on the rear portion of the baking box relative with oven door.
4. electric oven according to claim 3, it is characterized in that, described 3rd heating element heater (130) is loop configuration, and described first heating element heater (110) and described second heating element heater (120) are zig-zag structure.
5. electric oven according to claim 1, is characterized in that, (300) are provided with control button or control handle to described control part.
6. electric oven according to claim 1, is characterized in that, (300) are provided with display screen to described control part.
7. electric oven according to claim 1, is characterized in that, described control part (300) main body is printed circuit board (PCB).
8. electric oven according to claim 1, is characterized in that, the connecting line that the first end of described power supply inputs near electric energy is provided with master switch, and described master switch is electrically connected with described control part (300).
9. the electric oven according to any one of claim 1 to 8, is characterized in that, described heating element heater is heating tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520480415.3U CN204813493U (en) | 2015-07-03 | 2015-07-03 | Electric oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520480415.3U CN204813493U (en) | 2015-07-03 | 2015-07-03 | Electric oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204813493U true CN204813493U (en) | 2015-12-02 |
Family
ID=54671147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520480415.3U Expired - Fee Related CN204813493U (en) | 2015-07-03 | 2015-07-03 | Electric oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204813493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107368128A (en) * | 2016-05-11 | 2017-11-21 | 北京小焙科技有限公司 | A kind of method and system for adjusting thermal field temperature |
| CN111491400A (en) * | 2020-05-08 | 2020-08-04 | 广东美的厨房电器制造有限公司 | Heating circuit, heating device and cooking equipment |
-
2015
- 2015-07-03 CN CN201520480415.3U patent/CN204813493U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107368128A (en) * | 2016-05-11 | 2017-11-21 | 北京小焙科技有限公司 | A kind of method and system for adjusting thermal field temperature |
| CN111491400A (en) * | 2020-05-08 | 2020-08-04 | 广东美的厨房电器制造有限公司 | Heating circuit, heating device and cooking equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204071542U (en) | Heating cup | |
| CN204813493U (en) | Electric oven | |
| CN106123054A (en) | A kind of electrical heating stove | |
| CN105307293B (en) | The electric rice cooker heated circuit of 220V AC voltage power supply | |
| CN205681187U (en) | A kind of electromagnetic radiation equipment | |
| CN207716473U (en) | A kind of electromagnetic heater of changeable heating cavity | |
| CN206439864U (en) | A kind of mechanical barbecue type microwave oven system | |
| CN205306728U (en) | Multi -functional portable rice cooker | |
| CN206674226U (en) | Circuit system and cooking apparatus for IH heaters | |
| CN203417104U (en) | Intelligent electric rice cooker based on infrared remote control | |
| CN202775808U (en) | Energy-saving environment protecting pot with omnibearing heating | |
| CN202111890U (en) | Heating coils for electric food warmer and control circuit thereof | |
| KR101934292B1 (en) | Heating cooking appliance microwave using rf power | |
| CN105042652A (en) | Electric terrine with multiple heating regions | |
| CN205072646U (en) | Take multi -functional electric rice cooker of manual timer | |
| CN203302887U (en) | Electric heating device | |
| CN203263099U (en) | Electric heating device | |
| CN203328535U (en) | Electric heating vessel and control device thereof | |
| EP2848866B1 (en) | Baking and/or cooking oven and method for operating a baking and/or cooking oven | |
| CN207766594U (en) | A kind of energy-efficient intelligent microwave oven | |
| CN202735738U (en) | External structure for wireless-control, wireless-charging and voltage-descending control circuit and electric kettle | |
| CN105805794A (en) | Novel energy-saving safe electric heater | |
| CN102685957A (en) | Circuit system of variable-frequency microwave oven | |
| CN202891650U (en) | Heating control system for electric oven | |
| CN204306670U (en) | A kind of environment-friendly household electric heater unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20210703 |