CN203524516U - Novel toaster control circuit - Google Patents
Novel toaster control circuit Download PDFInfo
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- CN203524516U CN203524516U CN201320569891.3U CN201320569891U CN203524516U CN 203524516 U CN203524516 U CN 203524516U CN 201320569891 U CN201320569891 U CN 201320569891U CN 203524516 U CN203524516 U CN 203524516U
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Abstract
The utility model provides a novel toaster control circuit, and particularly relates to the technical field of bread roasting tools. The novel toaster control circuit comprises capacitance-resistance pressure-reduction power circuit, a micro computer control circuit, a two-way output drive circuit (namely a mechanical electromagnetic iron switch and a two-way normally-open relay) and a heating device. A two-way switch-off relay is adopted, on the condition that a roasting handle is stuck, L/N two-pole power supplies can be automatically switched off when roasting time is reached, heating is stopped, and fire hidden risks caused by the fact that the roasting handle is stuck are prevented; the circuit is simple in structure, the heating device comprises heating water in the middle and heating wires on two sides, and multiple pieces of bread can be simultaneously heated; a controller chip controls two drive triodes, one drive triode controls attraction of a heating switch electromagnet and the other drive triode controls the two-way switch-off relay.
Description
Technical field:
The utility model relates to baking bread apparatus technical field, is specifically related to a kind of novel toast control circuit.
Background technology:
Toaster is Hong Kong saying of bread baker, and it is a kind of electric-heating cooking utensil that bread is toasted again that is specifically designed to.Not only rusk can be roasted into coke yellow, can also make its fragrance denseer better with mouthfeel, improve a poor appetite.Existing traditional toaster is mostly automatically upspring and is reached power-off object by single channel mechanical type electro-magnet switch control circuit control baking handle after reaching baking time, if in bake process, because extraneous factor is pushed down baking handle, so toasting after reaching baking time that handle just also just cannot upspring automatically can not auto-breaking, toaster will continue baking and cause fire.
Utility model content:
The purpose of this utility model is to provide a kind of novel toast control circuit, it adopts two-way to disconnect relay, in the situation that baking handle is stuck, and after reaching baking time, automatically disconnect L N the two poles of the earth power supply, stop heating, prevent the unexpected stuck disaster hidden-trouble that causes, and circuit structure is simple, heating water and both sides heater strip in the middle of heater comprises can heat multi-disc bread simultaneously; Controller chip is controlled two and is driven triode, and an adhesive of controlling heater switch electromagnet is controlled bipolar disconnection relay for one.
In order to solve the existing problem of background technology, the utility model is by the following technical solutions: it comprises power switch one Q1, relay control switch two Q2, driving switch three Q3, driving switch two Q4, resistance one-resistance 12 R1-R12, electric capacity one-electric capacity seven C1-C7, Zener diode one ZD1, Zener diode two ZD2, diode one-diode six D1-D6, connector one JP1, connector two JP2, gauge tap one-gauge tap Three S's W1-SW3, controller U1, solenoid R13, middle heating wire R14, left side heating wire R15, the right heating wire R16, the N end of described ac power switch one Q1 is connected with one end of electric capacity one C1, the other end of electric capacity one C1 is connected on the terminal 1 of bridge rectifier B, electric capacity one C1 two ends are parallel with resistance one R1, the L end of power switch one Q1 is connected on the terminal 3 of bridge rectifier B, bridge rectifier B terminal 2 respectively with the negative pole end of Zener diode one ZD1, 12V power supply, one end of resistance three R3, the terminal 2 of one end of electric capacity two C2 and connector two JP2 connects, bridge rectifier B terminal 4 respectively with the positive terminal of Zener diode one ZD1, the other end of resistance three R3, the terminal 1 of the other end of electric capacity two C2 and connector two JP2 connects and ground connection, the terminal 3 of connector two JP2 is connected with the positive terminal of diode five D5, diode five D5 and solenoid R13 are in parallel and be connected with 12V power supply, the terminal 4 of connector two JP2 is connected with the positive terminal of diode six D6, the negative pole end of diode six D6 connects 12V power supply, diode six D6 two ends are parallel with double-break relay M1, ac power switch one Q1 two ends are connected with the contact switch Q2 of double-break relay M1, the N end of contact switch Q2 is connected with one end of middle heating wire R14, the other end of middle heating wire R14 respectively with one end of the right heating wire R15, one end of left side heating wire R16 connects, the other end of the right heating wire R15 is connected with the N end of gauge tap Q2, the other end of left side heating wire R16 with, the L end of gauge tap Q2 connects, connector two JP2 and connector one JP1 peg graft, the terminal 4 of plugging in device one JP1 is connected with the emitter stage of driving switch three Q3, the base stage of driving switch Q3 is connected with one end of resistance nine R9, the other end of resistance nine R9 is connected with the terminal 3 of controller U1, the colelctor electrode of driving switch Q3 is connected with the terminal 8 of controller U1, the terminal 3 of connector one JP1 is connected with driving switch two Q4 emitter stages, the grounded collector of driving switch two Q4, the base stage of driving switch two Q4 is connected with one end of resistance seven R7, the other end of resistance seven R7 is connected with the terminal 3 of controller U1, between the colelctor electrode of driving switch two Q4 and base stage, be parallel with control button one SW1, between connector one JP1 terminal 1 and terminal 2, be parallel with electric capacity five C5, one end of electric capacity five C5 is connected with resistance two R2 one end, between the other end of electric capacity five C5 and the resistance two R2 other ends, be parallel with Zener diode two ZD2, resistance four R4, electric capacity six C6, electric capacity seven C7, one end of electric capacity seven C7 is connected with one end of resistance five R5, the other end of the other end of resistance five R5 and electric capacity seven C7 is parallel with light emitting diode one D7, light emitting diode one D7 is connected with the terminal 8 of controller U1, the terminal 1 of controller U1 respectively with light emitting diode two D8 one end, one end of gauge tap Three S's W3 connects, the terminal 2 of controller U1 respectively with light emitting diode three D6 one end, one end of gauge tap Three S's W3 connects, the light emitting diode two D8 other ends are all connected with resistance six R6 one end with the light emitting diode three D6 other ends, resistance six R6 are connected with power supply, the other end of gauge tap Three S's W3 is all connected with resistance eight R8 one end with the other end of gauge tap two SW2, resistance eight R8 other end ground connection, the terminal 4 of controller U1 respectively with power supply, one end of regulating resistance VR connects, the other end of regulating resistance VR is connected with one end of resistance 11 R11, the other end of resistance 11 R11 is connected with the terminal 5 of controller U1, regulating resistance VR two ends are parallel with resistance 12 R12, the terminal 5 of controller U1 is connected with one end of resistance ten R10, the other end of resistance ten R10 respectively with the terminal 6 of controller U1, one end of electric capacity three C3, one end of electric capacity four C4 connects, the other end of electric capacity three C3 is connected with the terminal 7 of controller U1, the other end of electric capacity four C4 is connected with the terminal 8 of controller U1.
Described bridge rectifier B is comprised of diode one-diode four D1-D4.
The utility model operation principle: toast control circuit comprises resistance-capacitance depressurization power circuit, microcomputer control circuit, doubleway output drive circuit (being mechanical type electro-magnet switch and two-way normally opened relay) and heater; Circuit is powered to complete machine by the break-make of mechanical type electro-magnet switch, powers to resistance-capacitance depressurization power circuit, microcomputer control circuit, doubleway output drive circuit (being mechanical type electro-magnet switch and two-way normally opened relay); By microcomputer chip, sending instruction makes mechanical type electro-magnet switch and two-way normally opened relay while closure provide power supply to heater; Heater power supply disconnects the dual control of relay (double insurance) by mechanical type electro-magnet switch and two-way, has one of them to disconnect, and can cut off heater strip two-way L/N power supply.The utility model control circuit changes heater power supply into and disconnects the dual control of relay by mechanical type electro-magnet switch and two-way, to avoid causing once in a while the generation of the burned or unexpected disaster hidden-trouble of food in stuck situation because single channel mechanical type electro-magnet switch exists mechanical breakdown in actual applications.
The utlity model has following beneficial effect: its adopts two-way to disconnect relay, in the situation that baking handle is stuck, and after reaching baking time, automatically disconnect L N the two poles of the earth power supply, stop heating; , prevent the unexpected stuck disaster hidden-trouble that causes, and circuit structure being simple, heating water and both sides heater strip in the middle of heater comprises can heat multi-disc bread simultaneously; Controller chip is controlled two and is driven triode, and an adhesive of controlling heater switch electromagnet is controlled bipolar disconnection relay for one.
Accompanying drawing explanation:
Fig. 1 is the utility model circuit diagram.
The specific embodiment:
Referring to Fig. 1, this specific embodiment is by the following technical solutions: it comprises power switch one Q1, gauge tap two Q2, driving switch three Q3, driving switch two Q4, resistance one-resistance 12 R1-R12, electric capacity one-electric capacity seven C1-C7, Zener diode one ZD1, Zener diode two ZD2, diode one-diode six D1-D6, connector one JP1, connector two JP2, gauge tap one-gauge tap Three S's W1-SW3, controller U1, double-break relay M1, solenoid R13, middle heating wire R14, left side heating wire R15, the right heating wire R16, the N end of described ac power switch one Q1 is connected with one end of electric capacity one C1, the other end of electric capacity one C1 is connected on the terminal 1 of bridge rectifier B, electric capacity one C1 two ends are parallel with resistance one R1, the L end of power switch one Q1 is connected on the terminal 3 of bridge rectifier B, bridge rectifier B terminal 2 respectively with the negative pole end of Zener diode one ZD1, one end of resistance three R3, the terminal 2 of one end of electric capacity two C2 and connector two JP2 connects, bridge rectifier B terminal 4 respectively with the positive terminal of Zener diode one ZD1, the other end of resistance three R3, the terminal 1 of the other end of electric capacity two C2 and connector two JP2 connects, the negative pole end of Zener diode one ZD1 is connected with 12V power supply, terminal 1 ground connection of connector two JP2, the terminal 3 of connector two JP2 is connected with the positive terminal of diode five D5, the negative pole end of diode five D5 connects 12V power supply, diode five D5 two ends are parallel with solenoid R13, the terminal 4 of connector two JP2 is connected with the positive terminal of diode six D6, the negative pole end of diode six D6 connects 12V power supply, diode six D6 two ends are parallel with double-break relay M1, ac power switch one Q1 two ends are also connected with gauge tap Q2, the N end of gauge tap Q2 is connected with one end of middle heating wire R14, the other end of middle heating wire R14 respectively with one end of the right heating wire R15, one end of left side heating wire R16 connects, the other end of the right heating wire R15 is connected with the N end of gauge tap Q2, the other end of left side heating wire R16 with, the L end of gauge tap Q2 connects, connector two JP2 and connector one JP1 socket, the terminal 4 of plugging in device one JP1 is connected with the emitter stage of driving switch three Q3, the base stage of driving switch Q3 is connected with one end of resistance nine R9, the other end of resistance nine R9 is connected with the terminal 3 of controller U1, the colelctor electrode of driving switch Q3 is connected with the terminal 8 of controller U1, the terminal 3 of connector one JP1 is connected with driving switch two Q4 emitter stages, the grounded collector of driving switch two Q4, the base stage of driving switch two Q4 is connected with one end of resistance seven R7, the other end of resistance seven R7 is connected with the terminal 3 of controller U1, between the colelctor electrode of driving switch two Q4 and base stage, be parallel with control button one SW1, between connector one JP1 terminal 1 and terminal 2, be parallel with electric capacity five C5, one end of electric capacity five C5 is connected with resistance two R2 one end, between the other end of electric capacity five C5 and the resistance two R2 other ends, be parallel with Zener diode two ZD2, resistance four R4, electric capacity six C6, electric capacity seven C7, one end of electric capacity seven C7 is connected with one end of resistance five R5, the other end of the other end of resistance five R5 and electric capacity seven C7 is parallel with light emitting diode one D7, light emitting diode one D7 is connected with the terminal 8 of controller U1, the terminal 1 of controller U1 respectively with light emitting diode two D8 one end, one end of gauge tap Three S's W3 connects, the terminal 2 of controller U1 respectively with light emitting diode three D6 one end, one end of gauge tap Three S's W3 connects, the light emitting diode two D8 other ends are all connected with resistance six R6 one end with the light emitting diode three D6 other ends, resistance six R6 are connected with power supply, the other end of gauge tap Three S's W3 is all connected with resistance eight R8 one end with the other end of gauge tap two SW2, resistance eight R8 other end ground connection, the terminal 4 of controller U1 respectively with power supply, one end of regulating resistance VR connects, the other end of regulating resistance VR is connected with one end of resistance 11 R11, the other end of resistance 11 R11 is connected with the terminal 5 of controller U1, regulating resistance VR two ends are parallel with resistance 12 R12, the terminal 5 of controller U1 is connected with one end of resistance ten R10, the other end of resistance ten R10 respectively with the terminal 6 of controller U1, one end of electric capacity three C3, one end of electric capacity four C4 connects, the other end of electric capacity three C3 is connected with the terminal 7 of controller U1, the other end of electric capacity four C4 is connected with the terminal 8 of controller U1.
Described bridge rectifier B is comprised of diode one-diode four D1-D4.
This specific embodiment operation principle: toast control circuit comprises resistance-capacitance depressurization power circuit, microcomputer control circuit, doubleway output drive circuit (being mechanical type electro-magnet switch and two-way normally opened relay) and heater; Circuit is powered to complete machine by the break-make of mechanical type electro-magnet switch, powers to resistance-capacitance depressurization power circuit, microcomputer control circuit, doubleway output drive circuit (being mechanical type electro-magnet switch and two-way normally opened relay); By microcomputer chip, sending instruction makes mechanical type electro-magnet switch and two-way normally opened relay while closure provide power supply to heater; Heater power supply disconnects the dual control of relay (double insurance) by mechanical type electro-magnet switch and two-way, has one of them to disconnect, and can cut off heater strip two-way L/N power supply.The utility model control circuit changes heater power supply into and disconnects the dual control of relay by mechanical type electro-magnet switch and two-way, to avoid causing once in a while the generation of the burned or unexpected disaster hidden-trouble of food in stuck situation because single channel mechanical type electro-magnet switch exists mechanical breakdown in actual applications.
This specific embodiment has following beneficial effect: its adopts two-way to disconnect relay, in the situation that baking handle is stuck, and after reaching baking time, automatically disconnect L N the two poles of the earth power supply, stop heating; , prevent the unexpected stuck disaster hidden-trouble that causes, and circuit structure being simple, heating water and both sides heater strip in the middle of heater comprises can heat multi-disc bread simultaneously; Controller chip is controlled two and is driven triode, and an adhesive of controlling heater switch electromagnet is controlled bipolar disconnection relay for one.
Claims (2)
1. a novel toast control circuit, it is characterized in that it comprises power switch one (Q1), driving switch three (Q3), driving switch two (Q4), resistance one-resistance 12 (R1-R12), electric capacity one-electric capacity seven (C1-C7), Zener diode one (ZD1), Zener diode two (ZD2), diode one-diode six (D1-D6), connector one (JP1), connector two (JP2), gauge tap one-gauge tap three (SW1-SW3), controller (U1), double-break relay (M1), solenoid (R13), middle heating wire (R14), left side heating wire (R15), the right heating wire (R16), the N end of described ac power switch one (Q1) is connected with one end of electric capacity one (C1), the other end of electric capacity one (C1) is connected on the terminal 1 of bridge rectifier (B), electric capacity one (C1) two ends are parallel with resistance one (R1), the L end of power switch one (Q1) is connected on the terminal 3 of bridge rectifier (B), bridge rectifier (B) terminal 2 respectively with the negative pole end of Zener diode one (ZD1), 12V power supply, one end of resistance three (R3), the terminal 2 of one end of electric capacity two (C2) and connector two (JP2) connects, bridge rectifier (B) terminal 4 respectively with the positive terminal of Zener diode one (ZD1), the other end of resistance three (R3), the terminal 1 of the other end of electric capacity two (C2) and connector two (JP2) connects and ground connection, the terminal 3 of connector two (JP2) is connected with the positive terminal of diode five (D5), the negative pole end of diode five (D5) connects 12V power supply, diode five (D5) two ends are parallel with solenoid (R13), the terminal 4 of connector two (JP2) is connected with the positive terminal of diode six (D6), the negative pole end of diode six (D6) connects 12V power supply, diode six (D6) two ends are parallel with double-break relay (M1), ac power switch one (Q1) two ends are connected with the contact switch (Q2) of double-break relay (M1), the N end of contact switch (Q2) is connected with one end of middle heating wire (R14), the other end of middle heating wire (R14) respectively with one end of the right heating wire (R15), one end of left side heating wire (R16) connects, the other end of the right heating wire (R15) is connected with the N of contact switch (Q2) end, the other end of left side heating wire (R16) with, the L end of contact switch (Q2) connects, connector two (JP2) is pegged graft with connector one (JP1), the terminal 4 of plugging in device one (JP1) is connected with the emitter stage of driving switch three (Q3), the base stage of driving switch (Q3) is connected with one end of resistance nine (R9), the other end of resistance nine (R9) is connected with the terminal 3 of controller (U1), the colelctor electrode of driving switch (Q3) is connected with the terminal 8 of controller (U1), the terminal 3 of connector one (JP1) is connected with driving switch two (Q4) emitter stage, the grounded collector of driving switch two (Q4), the base stage of driving switch two (Q4) is connected with one end of resistance seven (R7), the other end of resistance seven (R7) is connected with the terminal 3 of controller (U1), between the colelctor electrode of driving switch two (Q4) and base stage, be parallel with control button one (SW1), between connector one (JP1) terminal 1 and terminal 2, be parallel with electric capacity five (C5), one end of electric capacity five (C5) is connected with resistance two (R2) one end, between the other end of electric capacity five (C5) and resistance two (R2) other end, be parallel with Zener diode two (ZD2), resistance four (R4), electric capacity six (C6), electric capacity seven (C7), one end of electric capacity seven (C7) is connected with one end of resistance five (R5), the other end of the other end of resistance five (R5) and electric capacity seven (C7) is parallel with light emitting diode one (D7), light emitting diode one (D7) is connected with the terminal 8 of controller (U1), the terminal 1 of controller (U1) respectively with light emitting diode two (D8) one end, one end of gauge tap three (SW3) connects, the terminal 2 of controller (U1) respectively with light emitting diode three (D6) one end, one end of gauge tap three (SW3) connects, light emitting diode two (D8) other end is all connected with resistance six (R6) one end with light emitting diode three (D6) other end, resistance six (R6) is connected with power supply, the other end of gauge tap three (SW3) is all connected with resistance eight (R8) one end with the other end of gauge tap two (SW2), resistance eight (R8) other end ground connection, controller (terminal 4 of U1 respectively with power supply, one end of regulating resistance (VR) connects, the other end of regulating resistance (VR) is connected with one end of resistance 11 (R11), the other end of resistance 11 (R11) is connected with the terminal 5 of controller (U1), regulating resistance (VR) two ends are parallel with resistance 12 (R12), the terminal 5 of controller (U1) is connected with one end of resistance ten (R10), the other end of resistance ten (R10) respectively with the terminal 6 of controller (U1), one end of electric capacity three (C3), one end of electric capacity four (C4) connects, the other end of electric capacity three (C3) is connected with the terminal 7 of controller (U1), the other end of electric capacity four (C4) is connected with the terminal 8 of controller (U1).
2. a kind of novel toast control circuit according to claim 1, is characterized in that described bridge rectifier (B) is comprised of diode one-diode four (D1-D4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320569891.3U CN203524516U (en) | 2013-09-13 | 2013-09-13 | Novel toaster control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320569891.3U CN203524516U (en) | 2013-09-13 | 2013-09-13 | Novel toaster control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203524516U true CN203524516U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320569891.3U Expired - Fee Related CN203524516U (en) | 2013-09-13 | 2013-09-13 | Novel toaster control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203524516U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342577A (en) * | 2017-08-31 | 2017-11-10 | 珠海德豪润达电气有限公司 | Automatically power off control circuit and toaster |
| US10813496B2 (en) | 2017-07-07 | 2020-10-27 | Spectrum Brands, Inc. | Secondary circuit and timing device for appliance |
| CN113812865A (en) * | 2020-06-19 | 2021-12-21 | 漳州灿坤实业有限公司 | Toaster |
-
2013
- 2013-09-13 CN CN201320569891.3U patent/CN203524516U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10813496B2 (en) | 2017-07-07 | 2020-10-27 | Spectrum Brands, Inc. | Secondary circuit and timing device for appliance |
| CN107342577A (en) * | 2017-08-31 | 2017-11-10 | 珠海德豪润达电气有限公司 | Automatically power off control circuit and toaster |
| CN113812865A (en) * | 2020-06-19 | 2021-12-21 | 漳州灿坤实业有限公司 | Toaster |
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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 |
Granted publication date: 20140409 Termination date: 20150913 |
|
| EXPY | Termination of patent right or utility model |