CN107172736A - Intelligent microwave oven with switch control - Google Patents
Intelligent microwave oven with switch control Download PDFInfo
- Publication number
- CN107172736A CN107172736A CN201710309223.XA CN201710309223A CN107172736A CN 107172736 A CN107172736 A CN 107172736A CN 201710309223 A CN201710309223 A CN 201710309223A CN 107172736 A CN107172736 A CN 107172736A
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- China
- Prior art keywords
- resistance
- circuit
- semiconductor
- oxide
- metal
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- 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.)
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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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
- H05B6/687—Circuits for monitoring or control for cooking
Abstract
The invention discloses a kind of intelligent microwave oven that there is switch to control, including shell, circuit board is provided with shell, circuit board includes current rectifying and wave filtering circuit, voltage conversion circuit, on-off circuit, times voltage follower circuit, magnetron and wireless communication module, current rectifying and wave filtering circuit, voltage conversion circuit, on-off circuit, times voltage follower circuit and magnetron are sequentially connected, and wireless communication module is connected with on-off circuit；On-off circuit includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first electric capacity, first resistor, second resistance, 3rd resistor, the 4th resistance and the 5th resistance, one end connection load node of 3rd resistor, the other end of 3rd resistor is connected with one end of the first electric capacity and one end of the 4th resistance respectively, the other end ground connection of the 4th resistance.Implement the intelligent microwave oven with switch control of the present invention, have the advantages that：User can understand whenever and wherever possible the voltage x current situation of micro-wave oven, circuit safety and reliability it is higher.
Description
Technical field
The present invention relates to smart home field, more particularly to a kind of intelligent microwave oven that there is switch to control.
Background technology
Micro-wave oven is that kitchen range are cooked in a kind of modernization of use microwave heating of food.Microwave is a kind of electromagnetic wave.Micro-wave oven by
Power supply, magnetron, control circuit and cooking cavity etc. part are constituted.Power supply provides about 4000V high pressures to magnetron, and magnetron exists
Under power supply excitation, microwave is continuously generated, then be coupled in cooking cavity by Wave guide system.Near at the import of cooking cavity, have
One rotatable agitator, because agitator is the metal of fan-shaped, has all directions after rotating to microwave
Reflection, so microwave energy can be evenly distributed in cooking cavity.The circuit part of existing micro-wave oven is due to lacking phase
The circuit protection function answered, causes the safety and reliability of circuit relatively low.In addition, in actual applications, user can not be at any time
The voltage x current situation of micro-wave oven is understood everywhere.
The content of the invention
The technical problem to be solved in the present invention is that the drawbacks described above for prior art can be at any time there is provided a kind of user
The voltage x current situation of micro-wave oven, the higher intelligent microwave with switch control of safety and reliability of circuit are understood everywhere
Stove.
The technical solution adopted for the present invention to solve the technical problems is：A kind of intelligent microwave that there is switch to control of construction
Circuit board is provided with stove, including shell, the shell, the circuit board includes current rectifying and wave filtering circuit, voltage conversion circuit, switch
Circuit, times voltage follower circuit, magnetron and wireless communication module, the current rectifying and wave filtering circuit, voltage conversion circuit, switch electricity
Road, times voltage follower circuit and magnetron are sequentially connected, and the wireless communication module is connected with the on-off circuit；
The on-off circuit includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first electric capacity, first resistor, second resistance, the 3rd electricity
Resistance, the 4th resistance and the 5th resistance, one end connection load node of the 3rd resistor, the other end difference of the 3rd resistor
It is connected with one end of first electric capacity and one end of the 4th resistance, the other end ground connection of the 4th resistance, first electricity
The other end of appearance is connected with the grid of first metal-oxide-semiconductor, the source electrode of first metal-oxide-semiconductor by the 5th resistance eutral grounding,
The drain electrode of first metal-oxide-semiconductor passes through second resistance one end respectively with the first resistor and the grid of the second metal-oxide-semiconductor
Connection, the source electrode of second metal-oxide-semiconductor is connected with the other end and voltage input end of the first resistor respectively, and described second
The drain electrode connection voltage output end of metal-oxide-semiconductor.
It is of the present invention have switch control intelligent microwave oven in, the on-off circuit also include the second electric capacity and
6th resistance, one end of second electric capacity is connected with one end of the first resistor, the other end of second electric capacity and institute
The grid connection of the second metal-oxide-semiconductor is stated, one end of the 6th resistance is connected with the other end of the first resistor, the 6th electricity
The other end of resistance is connected with the source electrode of second metal-oxide-semiconductor.
In the intelligent microwave oven with switch control of the present invention, the on-off circuit also includes the 7th resistance,
One end of 7th resistance is connected with the drain electrode of second metal-oxide-semiconductor, and the other end and the voltage of the 7th resistance are defeated
Go out end connection.
In the intelligent microwave oven with switch control of the present invention, the on-off circuit also includes the 8th resistance,
One end of 8th resistance is connected with the grid of second metal-oxide-semiconductor, the other end of the 8th resistance and the described second electricity
The other end connection of appearance.
In the intelligent microwave oven with switch control of the present invention, the on-off circuit also includes the 9th resistance,
One end of 9th resistance connects the voltage input end, and the other end of the 9th resistance is another with the first resistor
End connection.
In the intelligent microwave oven with switch control of the present invention, first metal-oxide-semiconductor is N-channel MOS pipe, institute
The second metal-oxide-semiconductor is stated for P-channel metal-oxide-semiconductor.
It is of the present invention have switch control intelligent microwave oven in, the wireless communication module be bluetooth module,
WIFI module, Zigbee module, GPRS module, CDMA module or WCDMA modules.
Implement the intelligent microwave oven with switch control of the present invention, have the advantages that：Because circuit board includes
Current rectifying and wave filtering circuit, voltage conversion circuit, on-off circuit, times voltage follower circuit, magnetron and wireless communication module, on-off circuit
The voltage x current situation of micro-wave oven can be sent to by wireless communication module on the mobile phone of user or tablet personal computer, on-off circuit
Including the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first electric capacity, first resistor, second resistance, 3rd resistor, the 4th resistance and the 5th electricity
Resistance, the first electric capacity is used to prevent the interference between the first metal-oxide-semiconductor and load node, and the 5th resistance is used for the source to the first metal-oxide-semiconductor
Branch road where pole carries out overcurrent protection, therefore user can understand the voltage x current situation of micro-wave oven, the peace of circuit whenever and wherever possible
Full property and reliability are higher.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The structural representation of circuit board in intelligent microwave oven one embodiment that Fig. 1 for the present invention there is switch to control；
Fig. 2 is the circuit theory diagrams of on-off circuit in the embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
, should the intelligent microwave oven bag with switch control in the intelligent microwave oven embodiment that the present invention has switch control
Include and circuit board is provided with shell, shell, the structural representation of the circuit board is as shown in Figure 1.In Fig. 1, the circuit board includes rectification
Filter circuit 1, voltage conversion circuit 2, on-off circuit 3, times voltage follower circuit 4, magnetron 5 and wireless communication module 6, wherein,
Current rectifying and wave filtering circuit 1, voltage conversion circuit 2, on-off circuit 3, times voltage follower circuit 4 and magnetron 5 are sequentially connected, radio communication
Module 6 is connected with on-off circuit 3.After voltage is powered, it is filtered after rectification, is turned by voltage by current rectifying and wave filtering circuit 1
Change circuit 2 to change voltage, access switch circuit 3, magnetron 5 connected after the connection times voltage follower circuit 4 of on-off circuit 3,
Control the work of micro-wave oven.It is noted that on-off circuit 3 can be according to working condition of the voltage x current situation to micro-wave oven
It is adjusted.The voltage x current situation of micro-wave oven can also be sent to the hand of user by on-off circuit 3 by wireless communication module 6
On machine or tablet personal computer, such user can understand the voltage x current situation of micro-wave oven whenever and wherever possible.Above-mentioned wireless communication module 6 can
Think bluetooth module, WIFI module, Zigbee module, GPRS module, CDMA module or WCDMA modules etc., can thus expire
The demand of sufficient different user.
Fig. 2 is the circuit theory diagrams of on-off circuit in the present embodiment, in Fig. 2, the on-off circuit 3 include the first metal-oxide-semiconductor M1,
Second metal-oxide-semiconductor M2, the first electric capacity C1, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4 and the 5th resistance
R5, wherein, the connection of 3rd resistor R3 one end load node A, the 3rd resistor R3 other end respectively with the first electric capacity C10 one
End and the 4th resistance R4 one end are connected, the 4th resistance R4 other end ground connection, the first electric capacity C1 other end and the first metal-oxide-semiconductor
M1 grid connection, the first metal-oxide-semiconductor M1 source electrode is grounded by the 5th resistance R5, and the first metal-oxide-semiconductor M1 drain electrode passes through the second electricity
Resistance R2 is connected with first resistor R1 one end and the second metal-oxide-semiconductor M2 grid respectively, and the second metal-oxide-semiconductor M2 source electrode is respectively with first
The resistance R10 other end and voltage input end VIN connections, the second metal-oxide-semiconductor M2 drain electrode connection voltage output end VOUT.
Above-mentioned first electric capacity C1 is coupled capacitor, for preventing the interference between the first metal-oxide-semiconductor M1 and load node A, the
Five resistance R5 are current-limiting resistance, and overcurrent protection is carried out for the branch road where the source electrode to the first metal-oxide-semiconductor.Therefore the safety of circuit
Property and reliability are higher.
In the present embodiment, after input voltage is inputted from voltage input end VIN, voltage output end VOUT will export one
Identical voltage, will not produce distortion；Meanwhile, when no signal is inputted, quiescent current can be controlled to greatest extent, reduced
The loss of electric energy, maintains the superperformance of on-off circuit 3, improves the reliability of its work；And its also have it is simple in construction and just
In the advantage of operation.
In the present embodiment, the first metal-oxide-semiconductor M1 is N-channel MOS pipe, and the second metal-oxide-semiconductor M2 is P-channel metal-oxide-semiconductor.Certainly, at this
Under the certain situation of embodiment, the first metal-oxide-semiconductor M1 can also be P-channel metal-oxide-semiconductor, and the second metal-oxide-semiconductor M2 can also be N-channel MOS
Pipe, but at this moment the structure of circuit also will accordingly change.
In the present embodiment, the on-off circuit 3 also includes the second electric capacity C2 and the 6th resistance R6, wherein, the second electric capacity C2's
One end is connected with first resistor R1 one end, and the second electric capacity C2 other end is connected with the second metal-oxide-semiconductor M2 grid, the 6th resistance
R6 one end is connected with the first resistor R1 other end, and the 6th resistance R6 other end is connected with the second metal-oxide-semiconductor M2 source electrode.The
Two electric capacity C2 are coupled capacitor, and for preventing the interference between the first metal-oxide-semiconductor M1 and the second metal-oxide-semiconductor M2, the 6th resistance R6 is limited
Leakage resistance, overcurrent protection is carried out for the branch road where the source electrode to the second metal-oxide-semiconductor M2.To further enhance the security of circuit
And reliability.
In the present embodiment, the on-off circuit 3 also includes the 7th resistance R7, the 7th resistance R7 one end and the second metal-oxide-semiconductor M2
Drain electrode connection, the 7th resistance R7 other end is connected with voltage output end VOUT.7th resistance R7 be current-limiting resistance, for pair
Branch road where second metal-oxide-semiconductor M2 drain electrode carries out overcurrent protection.Further to strengthen the safety and reliability of circuit.
In the present embodiment, the on-off circuit 3 also includes the 8th resistance R8, the 8th resistance R8 one end and the second metal-oxide-semiconductor M2
Grid connection, the 8th resistance R8 other end is connected with the second electric capacity C2 other end.8th resistance R8 is current-limiting resistance, is used
Overcurrent protection is carried out in the branch road where the grid to the second metal-oxide-semiconductor.
In the present embodiment, the on-off circuit 3 also includes the 9th resistance R9, the 9th resistance R9 one end connection voltage input end
VIN, the 9th resistance R9 other end is connected with the first resistor R1 other end.9th resistance R9 is current-limiting resistance, for the
Branch road where two metal-oxide-semiconductor M2 source electrode carries out overcurrent protection.
In a word, in the present embodiment, because on-off circuit 3 can issue the voltage x current situation of micro-wave oven the mobile phone of user
Or tablet personal computer, such user can just understand the voltage x current situation of micro-wave oven whenever and wherever possible.In addition, being provided with on-off circuit 3
Coupled capacitor and current-limiting resistance, can prevent from disturbing and can carry out overcurrent protection, therefore the safety and reliability of circuit is higher.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (7)
1. a kind of intelligent microwave oven that there is switch to control, it is characterised in that including shell, is provided with circuit board in the shell,
The circuit board includes current rectifying and wave filtering circuit, voltage conversion circuit, on-off circuit, times voltage follower circuit, magnetron and channel radio
Believe module, the current rectifying and wave filtering circuit, voltage conversion circuit, on-off circuit, times voltage follower circuit and magnetron are sequentially connected, institute
Wireless communication module is stated to be connected with the on-off circuit；
The on-off circuit include the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first electric capacity, first resistor, second resistance, 3rd resistor,
4th resistance and the 5th resistance, one end connection load node of the 3rd resistor, the other end of the 3rd resistor respectively with
One end of first electric capacity and one end connection of the 4th resistance, the other end ground connection of the 4th resistance, first electric capacity
The other end be connected with the grid of first metal-oxide-semiconductor, the source electrode of first metal-oxide-semiconductor passes through the 5th resistance eutral grounding, institute
The drain electrode for stating the first metal-oxide-semiconductor is connected with one end of the first resistor and the grid of the second metal-oxide-semiconductor respectively by the second resistance
Connect, the source electrode of second metal-oxide-semiconductor is connected with the other end and voltage input end of the first resistor respectively, the 2nd MOS
The drain electrode connection voltage output end of pipe.
2. the intelligent microwave oven according to claim 1 that there is switch to control, it is characterised in that the on-off circuit is also wrapped
The second electric capacity and the 6th resistance are included, one end of second electric capacity is connected with one end of the first resistor, second electric capacity
The other end be connected with the grid of second metal-oxide-semiconductor, one end of the 6th resistance and the other end of the first resistor connect
Connect, the other end of the 6th resistance is connected with the source electrode of second metal-oxide-semiconductor.
3. the intelligent microwave oven according to claim 2 that there is switch to control, it is characterised in that the on-off circuit is also wrapped
Include the 7th resistance, one end of the 7th resistance is connected with the drain electrode of second metal-oxide-semiconductor, the other end of the 7th resistance with
The voltage output end connection.
4. the intelligent microwave oven with switch control according to Claims 2 or 3, it is characterised in that the on-off circuit
Also include the 8th resistance, one end of the 8th resistance is connected with the grid of second metal-oxide-semiconductor, the 8th resistance it is another
End is connected with the other end of second electric capacity.
5. the intelligent microwave oven according to claim 4 that there is switch to control, it is characterised in that the on-off circuit is also wrapped
Include the 9th resistance, one end of the 9th resistance connects the voltage input end, the other end of the 9th resistance and described the
The other end connection of one resistance.
6. the intelligent microwave oven according to claim 5 that there is switch to control, it is characterised in that first metal-oxide-semiconductor is N
Channel MOS tube, second metal-oxide-semiconductor is P-channel metal-oxide-semiconductor.
7. the intelligent microwave oven with switch control according to Claims 2 or 3, it is characterised in that the radio communication
Module is bluetooth module, WIFI module, Zigbee module, GPRS module, CDMA module or WCDMA modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309223.XA CN107172736A (en) | 2017-05-04 | 2017-05-04 | Intelligent microwave oven with switch control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309223.XA CN107172736A (en) | 2017-05-04 | 2017-05-04 | Intelligent microwave oven with switch control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107172736A true CN107172736A (en) | 2017-09-15 |
Family
ID=59813601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710309223.XA Pending CN107172736A (en) | 2017-05-04 | 2017-05-04 | Intelligent microwave oven with switch control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107172736A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118926U (en) * | 1991-11-09 | 1992-10-14 | 北京海星电子有限公司 | Micro wave heater by low voltage dc power |
| CN102685957A (en) * | 2012-05-22 | 2012-09-19 | 李宝恒 | Circuit system of variable-frequency microwave oven |
| CN102679418A (en) * | 2012-05-22 | 2012-09-19 | 李宝恒 | Household variable-frequency microwave oven |
| CN202551001U (en) * | 2012-04-26 | 2012-11-21 | 深圳市禹欣鑫电子有限公司 | Electronic switching circuit |
| CN103178816A (en) * | 2011-12-26 | 2013-06-26 | 海洋王照明科技股份有限公司 | Single-key switch control circuit and lighting |
| CN204290916U (en) * | 2014-11-28 | 2015-04-22 | 广州视源电子科技股份有限公司 | A kind of switching circuit |
| CN204859577U (en) * | 2015-07-27 | 2015-12-09 | 浙江绍兴苏泊尔生活电器有限公司 | Electric protection device for electrical equipment and electrical equipment |
-
2017
- 2017-05-04 CN CN201710309223.XA patent/CN107172736A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2118926U (en) * | 1991-11-09 | 1992-10-14 | 北京海星电子有限公司 | Micro wave heater by low voltage dc power |
| CN103178816A (en) * | 2011-12-26 | 2013-06-26 | 海洋王照明科技股份有限公司 | Single-key switch control circuit and lighting |
| CN202551001U (en) * | 2012-04-26 | 2012-11-21 | 深圳市禹欣鑫电子有限公司 | Electronic switching circuit |
| CN102685957A (en) * | 2012-05-22 | 2012-09-19 | 李宝恒 | Circuit system of variable-frequency microwave oven |
| CN102679418A (en) * | 2012-05-22 | 2012-09-19 | 李宝恒 | Household variable-frequency microwave oven |
| CN204290916U (en) * | 2014-11-28 | 2015-04-22 | 广州视源电子科技股份有限公司 | A kind of switching circuit |
| CN204859577U (en) * | 2015-07-27 | 2015-12-09 | 浙江绍兴苏泊尔生活电器有限公司 | Electric protection device for electrical equipment and electrical equipment |
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Effective date of abandoning: 20201225 |
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