CN111083812A - Mechanical high-temperature self-cleaning oven control circuit - Google Patents
Mechanical high-temperature self-cleaning oven control circuit Download PDFInfo
- Publication number
- CN111083812A CN111083812A CN202010110745.9A CN202010110745A CN111083812A CN 111083812 A CN111083812 A CN 111083812A CN 202010110745 A CN202010110745 A CN 202010110745A CN 111083812 A CN111083812 A CN 111083812A
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- temperature controller
- door lock
- oven door
- normally
- control board
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- 238000004140 cleaning Methods 0.000 title claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Control Of Electric Motors In General (AREA)
- Electric Stoves And Ranges (AREA)
Abstract
The invention particularly relates to a mechanical high-temperature self-cleaning oven control circuit which comprises a PCB control board, a main live wire L and a main zero line N, wherein the main live wire L is connected with a normally-open temperature controller, the normally-open temperature controller is connected with a single-pole double-throw temperature controller, the single-pole double-throw temperature controller is connected with a double-speed cooling motor, the double-speed cooling motor is connected with 1 pin of the PCB control board, the PCB control board is connected with an oven door lock control mechanism, the oven door lock control mechanism is connected with a first normally-closed temperature controller, the first normally-closed temperature controller is connected with the PCB control board, the PCB control board is also connected with a multi-way switch, the main live wire L and the main zero line N are respectively connected with the multi-way switch, one way of the multi-way switch is connected with the PCB. The invention has the beneficial effects that: the structure adopts a design scheme of a brand-new electronic control circuit, and can achieve the purposes of stability, reliability and cost reduction.
Description
Technical Field
The invention particularly relates to a control circuit of a mechanical high-temperature self-cleaning oven.
Background
As a common kitchen appliance, ovens are widely used all over the world, and in order to solve the pain point that the ovens are difficult to clean, oven manufacturers develop a high-temperature self-cleaning oven, the maximum temperature of the oven can reach 500 ℃, food residues, oil stains and the like are directly carbonized, and the cleaning effect is very ideal.
At present, high-temperature self-cleaning ovens on the market are all electronic control circuit design schemes, but the quality requirements of high-temperature environments on electronic components are very high, so that the product cost is high.
Disclosure of Invention
The invention aims to overcome the defects of the design scheme and provide the mechanical high-temperature self-cleaning oven control circuit which is stable and reliable and has low cost.
The invention discloses a mechanical high-temperature self-cleaning oven control circuit, which comprises a PCB control board, general live wire L and total zero line N, general live wire L is connected with normal open type temperature controller, normal open type temperature controller is connected with single-pole double throw temperature controller, single-pole double throw temperature controller is connected with double speed cooling motor, double speed cooling motor is connected with 1 foot of PCB control panel, the PCB control panel is connected with oven door lock control mechanism, oven door lock control mechanism is connected with first normal close type temperature controller, first normal close type temperature controller is connected with the PCB control panel, the PCB control panel still is connected with the multi-way switch, general live wire L and total zero line N are connected respectively in the multi-way switch, the multi-way switch is connected with the PCB control panel all the way, normal open type temperature controller is connected with the heating tube with the common end of single-pole double throw temperature controller, heating tube one end is connected with second normal close type temperature controller, second normal close type temperature.
Specifically, the double-speed cooling motor is connected with 1 pin of the PCB control board through a first zero line N1, and the first normally-closed temperature controller is connected with 4 pins of the PCB control board through a second live line L2.
Specifically, the second normally-closed temperature controller is connected with the 6 feet of the PCB control board through a third zero line N3 and a fourth zero line N4, the 2 feet of the multi-way switch is connected with the 6 feet of the PCB control board through a third zero line N3, the 1 foot of the multi-way switch is connected with the 5 feet of the PCB control board through a fourth live line L4,
specifically, the double-speed cooling motor is provided with a low-grade end and a high-grade end, wherein a pin 2 of the single-pole double-throw temperature controller is connected with the low-grade end, and a pin 3 of the single-pole double-throw temperature controller is connected with the high-grade end.
The oven door lock control mechanism comprises an oven door lock motor, a third oven door lock micro switch, a second lock micro switch and a first lock micro switch, wherein the oven door lock motor, the third oven door lock micro switch and the second lock micro switch are connected, one end of the oven door lock motor is connected with 2 pins of the PCB control board through a second zero line N2, the other end of the oven door lock motor is connected with a C2 pin of the third oven door lock micro switch, a C1 pin of the third oven door lock micro switch is connected with 3 pins of the PCB control board through a first live line L1, a C2 pin of the third oven door lock micro switch is connected with a B2 pin of the second lock micro switch, and a B1 pin of the second lock micro switch is connected with a first normally-closed temperature controller.
The invention has the beneficial effects that: the structure adopts a design scheme of a brand-new electronic control circuit, and can achieve the purposes of stability, reliability and cost reduction.
Drawings
Fig. 1 is a schematic view of the installation of the present invention.
The drawings are numbered as follows:
the oven door lock comprises a PCB control board 1, a double-speed cooling motor 2, a low-gear terminal 201, a high-gear terminal 202, a single-pole double-throw temperature controller 3, a normally-open temperature controller 4, an oven door lock motor 5, a third oven door lock microswitch 6, a second lock microswitch 7, a first lock microswitch 8, a first normally-closed temperature controller 9, a multi-way switch 10, a heating pipe 11, a second normally-closed temperature controller 12 and an oven door lock control mechanism 13.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in figure 1, the invention describes a mechanical high-temperature self-cleaning oven control circuit, which comprises a PCB control board 1, a main live wire L and a main zero wire N, wherein the main live wire L is connected with a normally open temperature controller 4, the normally open temperature controller 4 is connected with a single-pole double-throw temperature controller 3, the single-pole double-throw temperature controller 3 is connected with a double-speed cooling motor 2, the double-speed cooling motor 2 is connected with a pin 1 of the PCB control board 1, the PCB control board 1 is connected with an oven door lock control mechanism 13, the oven door lock control mechanism 13 is connected with a first normally closed temperature controller 9, the first normally closed temperature controller 9 is connected with the PCB control board 1, the PCB control board 1 is further connected with a multi-way switch 10, the main live wire L and the main zero wire N are respectively connected with the multi-way switch 10, one way of the multi-way switch 10 is connected with the PCB control board 1, the common, one end of the heating tube 11 is connected with a second normally closed temperature controller 12, and the second normally closed temperature controller 12 is connected with the PCB control board 1.
The double-speed cooling motor 2 is connected with the pin 1 of the PCB control panel 1 through a first zero line N1, and the first normally-closed temperature controller 9 is connected with the pin 4 of the PCB control panel 1 through a second live line L2.
The second normally closed temperature controller 12 is connected with the 6 feet of the PCB control panel 1 through a third zero line N3 and a fourth zero line N4, the 2 feet of the multi-way switch 10 is connected with the 6 feet of the PCB control panel 1 through a third zero line N3, the 1 foot of the multi-way switch 10 is connected with the 5 feet of the PCB control panel 1 through a fourth live line L4,
the double-speed cooling motor 2 is provided with a low-grade end 201 and a high-grade end 202, a pin 2 of the single-pole double-throw temperature controller 3 is connected with the low-grade end 201, and a pin 3 of the single-pole double-throw temperature controller 3 is connected with the high-grade end 202.
The oven door lock control mechanism 13 comprises an oven door lock motor 5, a third oven door lock microswitch 6, a second lock microswitch 7 and a first lock microswitch 8, the oven door lock motor 5, the third oven door lock microswitch 6 and the second lock microswitch 7 are connected, one end of the oven door lock motor 5 is connected with the pin 2 of the PCB control board 1 through a second zero line N2, the other end of the oven door lock motor 5 is connected with the pin C2 of the third oven door lock microswitch 6, the pin C1 of the third oven door lock microswitch 6 is connected with the pin 3 of the PCB control board 1 through a first live line L1, the pin C2 of the third oven door lock microswitch 6 is connected with the pin B2 of the second lock microswitch 7, and the pin B1 of the second lock microswitch 7 is connected with a first normally-closed temperature controller microswitch 9.
The whole design scheme is five groups:
a first group: the PCB is connected to a PCB control board 1 through a normally open temperature controller 4, a single-pole double-throw temperature controller 3 and a double-speed cooling motor 2;
second group: the electric heating oven door lock is connected to the PCB control board 1 through a multi-way switch 10, the PCB control board 1, a first normally-closed temperature controller 9, a first oven door lock microswitch 7, a third oven door lock microswitch 6 and an oven door lock motor 5;
third group: the electric energy is returned to the PCB control panel 1 through a multi-way switch 10, the PCB control panel 1, a third oven door lock microswitch 6 and an oven door lock motor 5;
and a fourth group: the N line is returned to the multi-way switch 10 through the multi-way switch 10, the heating tube 11 and the second normally closed temperature controller 12;
and a fifth group: is connected to a PCB control panel 1 through a multi-way switch 10, a single-pole double-throw temperature controller 3 and a double-speed cooling motor 2.
A heat dissipation state: a first group: the normally open temperature controller 4, the single-pole double-throw temperature controller 3 and the double-speed cooling motor 2 are independent circuit loops and are only influenced by the internal environment temperature of the oven.
When the internal environment temperature of the oven exceeds the closing value of the normally-open temperature controller 4, the double-speed cooling motor 2 can be started to work, and when the internal environment temperature of the oven is lower than the closing value of the normally-open temperature controller 4, the double-speed cooling motor 2 can not stop working.
When the internal environment temperature of the oven exceeds the temperature set value of the single-pole double-throw temperature controller 3, the double-speed cooling motor 2 is switched from a low-speed gear to a high-speed gear, and when the internal environment temperature of the oven is lower than the temperature set value of the single-pole double-throw temperature controller 3, the double-speed cooling motor 2 is switched from the high-speed gear to the low-speed gear.
The closing state of the oven: second group: when the multi-way switch 10 rotates to the high-temperature self-cleaning gear, the oven high-temperature self-cleaning mode operates, the heat expressing pipe 11 is in a heating state, the oven door is closed at the moment, the door lock is locked, the pin B1 and the pin B2 on the second oven door lock micro switch 7 are communicated, the pin C1 and the pin C3 of the third oven door lock micro switch 6 are communicated, and the pin C1 and the pin C2 of the third oven door lock micro switch 6 are disconnected;
under the high temperature automatically cleaning mode, the inside ambient temperature of oven surpasss the temperature setting value of first normally closed temperature controller 9, and second normally closed temperature controller 9 is in the off-state, and oven lock motor 5 is in the off-state and unable action, keeps the oven door to be in the state of locking always, prevents that the user from opening the oven door under oven high temperature state, produces the scald risk.
When the internal environment temperature of the oven is lower than the temperature set value of the first normally closed temperature controller 9, the first normally closed temperature controller 9 is communicated again, and the oven door can not be normally unlocked and opened at this time.
The open state of the oven: third group: when the oven door lock is completely opened, the B1 pin and the B2 pin on the second microswitch 7 are disconnected, the C1 pin and the C3 pin on the third oven door lock microswitch 6 are disconnected, and the C1 pin and the C2 pin on the third oven door lock microswitch 6 are communicated, at the moment, an L line, a multi-way switch 10, an L4 line, a PCB control board 1, an L1 line, a C1 pin and a C2 pin of the third oven door lock microswitch 6 and an oven door lock motor 5 form a loop, and the oven door lock can be normally electrified and locked when the next oven high-temperature self-cleaning mode works.
And (3) preventing a fire disaster state: and a fourth group: the multi-way switch 10, the heating tube 11 and the second normally-closed temperature controller 12 form a circuit loop, when the oven works abnormally, the internal environment temperature is too high, and exceeds the design value of the second normally-closed temperature controller 12, the second normally-closed temperature controller 12 disconnects the N4 loop of the heating tube 11, the heating tube 11 is forced to stop working, the ultra-high temperature caused by the abnormal operation of the oven is avoided, and therefore the risk that a cabinet is burned out or even a fire disaster is caused is avoided.
Implementing a double insurance function: and a fifth group: the multi-way switch 10, the single-pole double-throw temperature controller 3 and the double-speed cooling motor 2 form a circuit loop, when the multi-way switch 10 is screwed to a working gear, the double-speed cooling motor 2 can directly work without passing through the normally-open temperature controller 4. Thereby forming a double insurance;
1) under the working state of the oven, the double-speed cooling motor 2 can start to work; 2) when the internal environment temperature of the oven exceeds the temperature design value of the normally-open temperature controller 4, the double-speed cooling motor 2 can start to work.
The present invention is not limited to the above preferred embodiments, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a mechanical type high temperature automatically cleaning oven control circuit which characterized in that: the oven door lock control device comprises a PCB control board (1), a main fire line L and a main zero line N, wherein the main fire line L is connected with a normally-open type temperature controller (4), the normally-open type temperature controller (4) is connected with a single-pole double-throw temperature controller (3), the single-pole double-throw temperature controller (3) is connected with a double-speed cooling motor (2), the double-speed cooling motor (2) is connected with a pin 1 of the PCB control board (1), the PCB control board (1) is connected with an oven door lock control mechanism (13), the oven door lock control mechanism (13) is connected with a first normally-closed type temperature controller (9), the first normally-closed type temperature controller (9) is connected with the PCB control board (1), the PCB control board (1) is further connected with a multi-way switch (10), the main fire line L and the main zero line N are respectively connected with the multi-way switch (10), one way of the multi-way switch (10) is connected with the PCB control board (1), a, one end of the heating tube (11) is connected with a second normally closed temperature controller (12), and the second normally closed temperature controller (12) is connected with the PCB control panel (1).
2. The control circuit of claim 1, wherein the control circuit comprises: the double-speed cooling motor (2) is connected with 1 pin of the PCB control panel (1) through a first zero line N1, and the first normally-closed temperature controller (9) is connected with 4 pins of the PCB control panel (1) through a second live line L2.
3. The control circuit of claim 1, wherein the control circuit comprises: the second normally-closed temperature controller (12) is connected with 6 pins of the PCB control board (1) through a third zero line N3 and a fourth zero line N4, 2 pins of the multi-way switch (10) are connected with 6 pins of the PCB control board (1) through a third zero line N3, and 1 pin of the multi-way switch (10) is connected with 5 pins of the PCB control board (1) through a fourth live line L4.
4. The control circuit of claim 1, wherein the control circuit comprises: the double-speed cooling motor (2) is provided with a low-grade end (201) and a high-grade end (202), a pin 2 of the single-pole double-throw temperature controller (3) is connected with the low-grade end (201), and a pin 3 of the single-pole double-throw temperature controller (3) is connected with the high-grade end (202).
5. The control circuit of claim 1, wherein the control circuit comprises: the oven door lock control mechanism (13) comprises an oven door lock motor (5), a third oven door lock microswitch (6), a second lock microswitch (7) and a first lock microswitch (8), oven door lock motor (5), third oven door lock micro-gap switch (6) and second lock micro-gap switch (7) are connected, be connected through second zero line N2 between the one end of oven door lock motor (5) and the 2 feet of PCB control panel (1), the other end of oven door lock motor (5) is connected with the C2 foot of third oven door lock micro-gap switch (6), be connected through first live wire L1 between the C1 foot of third oven door lock micro-gap switch (6) and the 3 feet of PCB control panel (1), the C2 foot of third oven door lock micro-gap switch (6) is connected with the B2 foot of second lock micro-gap switch (7), the B1 foot of second lock micro-gap switch (7) is connected with first normal close type temperature controller (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010110745.9A CN111083812B (en) | 2020-02-24 | 2020-02-24 | Mechanical high-temperature self-cleaning oven control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010110745.9A CN111083812B (en) | 2020-02-24 | 2020-02-24 | Mechanical high-temperature self-cleaning oven control circuit |
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| Publication Number | Publication Date |
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| CN111083812A true CN111083812A (en) | 2020-04-28 |
| CN111083812B CN111083812B (en) | 2024-06-25 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120074123A1 (en) * | 2010-09-28 | 2012-03-29 | Hodapp Jr Leo Edward | Control system for a self cleaning oven appliance |
| CN106901615A (en) * | 2017-02-23 | 2017-06-30 | 珠海格力电器股份有限公司 | Clean control method, device and the system of baking box |
| CN207377301U (en) * | 2017-09-29 | 2018-05-18 | 广东万和电气有限公司 | The door lock assembly and oven of a kind of oven |
| CN208093449U (en) * | 2018-04-08 | 2018-11-13 | 厦门赛尔特电子有限公司 | A kind of temperature controller with Thermal protection |
| CN208110317U (en) * | 2018-03-02 | 2018-11-16 | 广东华美骏达电器有限公司 | A kind of self-cleaning controller of intelligent control oven |
| CN211152220U (en) * | 2020-02-24 | 2020-07-31 | 广东奥特龙电器制造有限公司 | Mechanical high-temperature self-cleaning oven control circuit |
-
2020
- 2020-02-24 CN CN202010110745.9A patent/CN111083812B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120074123A1 (en) * | 2010-09-28 | 2012-03-29 | Hodapp Jr Leo Edward | Control system for a self cleaning oven appliance |
| CN106901615A (en) * | 2017-02-23 | 2017-06-30 | 珠海格力电器股份有限公司 | Clean control method, device and the system of baking box |
| CN207377301U (en) * | 2017-09-29 | 2018-05-18 | 广东万和电气有限公司 | The door lock assembly and oven of a kind of oven |
| CN208110317U (en) * | 2018-03-02 | 2018-11-16 | 广东华美骏达电器有限公司 | A kind of self-cleaning controller of intelligent control oven |
| CN208093449U (en) * | 2018-04-08 | 2018-11-13 | 厦门赛尔特电子有限公司 | A kind of temperature controller with Thermal protection |
| CN211152220U (en) * | 2020-02-24 | 2020-07-31 | 广东奥特龙电器制造有限公司 | Mechanical high-temperature self-cleaning oven control circuit |
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| Publication number | Publication date |
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| CN111083812B (en) | 2024-06-25 |
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