CN107228392A - Intelligent electromagnetic oven - Google Patents
Intelligent electromagnetic oven Download PDFInfo
- Publication number
- CN107228392A CN107228392A CN201710308854.XA CN201710308854A CN107228392A CN 107228392 A CN107228392 A CN 107228392A CN 201710308854 A CN201710308854 A CN 201710308854A CN 107228392 A CN107228392 A CN 107228392A
- Authority
- CN
- China
- Prior art keywords
- resistance
- touch
- resistor
- common cathode
- electric capacity
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/962—Capacitive touch switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
- H03K2217/96—Touch switches
- H03K2217/96038—Inductive touch switches
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electronic Switches (AREA)
Abstract
The invention discloses a kind of intelligent electromagnetic oven, circuit and wireless communication module are controlled including touch sensible, wireless communication module receives the control instruction of mobile terminal transmission, and send it to touch sensible control circuit, touch-control sensing controls circuit to perform corresponding action according to control instruction, touch sensible control circuit includes MCU, common cathode diode, first resistor, second resistance, 3rd resistor, 4th resistance, 5th resistance, first electric capacity, second electric capacity and touch-control sensing electrode, MCU one end is connected with wireless communication module, MCU square wave output port is connected with one end of first resistor and one end of the 5th resistance respectively by the 4th resistance, the other end of first resistor respectively with touch-control sensing electrode, one end of second resistance and the common cathode of common cathode diode are extremely connected.Implement the intelligent electromagnetic oven of the present invention, have the advantages that：User can be controlled to electromagnetic oven whenever and wherever possible, the safety and reliability of circuit is higher.
Description
Technical field
The present invention relates to electromagnetic oven field, more particularly to a kind of intelligent electromagnetic oven.
Background technology
With the progress of society, the uses of various household appliances also more and more extensively, the control of household appliances and makes
With all being realized by human-computer interaction device.Touch sensible technology is widely applied in electromagnetic oven human-computer interactive control.
The touch induction circuit part that current electromagnetic stove is used uses special touch sensible chip, and a part uses general-purpose chip,
Ancillary peripheral circuit handles touch sensible signal, but both touch induction circuit costs are higher, and the anti-electricity of generally existing
The shortcoming of net interference performance difference.The operation of current electromagnetic oven is all to use touch control manner, is not met by user whenever and wherever possible
The demand being controlled to electromagnetic oven.In addition, the circuit part in existing electromagnetic oven is due to lacking corresponding circuit protection work(
Can, cause the safety and reliability of circuit not high.
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
Electromagnetic oven is controlled everywhere, the intelligent electromagnetic oven that the safety and reliability of circuit is higher.
The technical solution adopted for the present invention to solve the technical problems is：A kind of intelligent electromagnetic oven is constructed, including touches sense
Circuit and wireless communication module should be controlled, the wireless communication module receives the control instruction of mobile terminal transmission, and is passed
The touch sensible control circuit is sent to, the touch-control sensing control circuit performs corresponding action according to the control instruction,
Touch sensible control circuit include MCU, common cathode diode, first resistor, second resistance, 3rd resistor, the 4th resistance,
5th resistance, the first electric capacity, the second electric capacity and touch-control sensing electrode, one end of the MCU are connected with the wireless communication module,
The one end and one end of the 5th resistance of the square wave output port of the MCU by the 4th resistance respectively with the first resistor
Connection, the other end of the first resistor respectively with the touch-control sensing electrode, one end of second resistance and common cathode diode
Common cathode extremely connect, the other end of the 5th resistance is connected with an anode tap of the common cathode diode, described
The other end of two resistance respectively with another anode tap of the common cathode diode, one end of the second electric capacity and 3rd resistor
One end is connected, the other end of second electric capacity ground connection, the other end of the 3rd resistor respectively with first electric capacity one
End and MCU AD signal acquisitions port are connected, the other end ground connection of first electric capacity.
In intelligent electromagnetic oven of the present invention, touch-control sensing control circuit also includes the 6th resistance, and described the
One end of six resistance is connected with the other end of the second resistance, the other end and the common cathode diode of the 6th resistance
Another anode tap connection.
In intelligent electromagnetic oven of the present invention, touch-control sensing control circuit also includes the 7th resistance, and described the
One end of seven resistance is connected with the other end of the 3rd resistor, the other end of the 7th resistance and the AD signals of the MCU
Gather port connection.
In intelligent electromagnetic oven of the present invention, touch-control sensing control circuit also includes the 8th resistance, and described the
One end of eight resistance is connected with the touch-control sensing electrode, the 8th other end of resistance and being total to for the common cathode diode
Cathode terminal is connected.
In intelligent electromagnetic oven of the present invention, the wireless communication module is bluetooth module, WIFI module, Zigbee
Module, GPRS module, CDMA module or WCDMA modules.
Implement the intelligent electromagnetic oven of the present invention, have the advantages that：Due to controlling circuit and nothing provided with touch sensible
Line communication module, wireless communication module receives the control instruction of mobile terminal transmission, and sends it to touch sensible control electricity
Road, touch-control sensing controls circuit to perform corresponding action according to control instruction, and touch sensible control circuit includes MCU, common cathode
Diode, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the first electric capacity, the second electric capacity and touch-control sense
Electrode is answered, the second electric capacity is used to filter clutter, and the 4th resistance and the 5th resistance are used for overcurrent protection, therefore user can be whenever and wherever possible
Electromagnetic oven is controlled, the safety and reliability of circuit it is 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.
Fig. 1 is the structural representation in intelligent electromagnetic oven one embodiment of the present invention；
Fig. 2 is the circuit theory diagrams of touch-control sensing control 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.
In intelligent electromagnetic oven embodiment of the present invention, the structural representation of the intelligent electromagnetic oven is as shown in Figure 1., should in Fig. 1
Intelligent electromagnetic oven includes the touch sensible control circuit 2 being connected and wireless communication module 1, and wireless communication module 1 receives movement
The control instruction of terminal transmission, and touch sensible control circuit 2 is sent it to, touch-control sensing controls circuit 2 according to above-mentioned control
System instruction performs corresponding action.Because mobile terminal can be carried with, therefore user can be carried out to electromagnetic oven whenever and wherever possible
Control.Mobile terminal can be mobile phone or tablet personal computer etc..Wireless communication module 1 can be bluetooth module, WIFI module,
Zigbee module, GPRS module, CDMA module or WCDMA modules etc., can so increase the flexibility of control mode.
Fig. 2 is controlled for touch-control sensing in the present embodiment in the circuit theory diagrams of circuit, Fig. 2, touch sensible control circuit 2
Including MCU, common cathode diode D, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5,
First electric capacity C1, the second electric capacity C2 and touch-control sensing electrode K, wherein, MCU one end is connected with wireless communication module 1, MCU's
Square wave output port is connected with first resistor R1 one end and the 5th resistance R5 one end respectively by the 4th resistance R4, the first electricity
Common cathode of the R1 other end respectively with touch-control sensing electrode K, second resistance R2 one end and common cathode diode D is hindered extremely to connect
Connect, the 5th resistance R5 other end is connected with a common cathode diode D anode tap, the second resistance R2 other end respectively with
One end connection of common cathode diode D another anode tap, the second electric capacity C2 one end and 3rd resistor R3, the second electric capacity C2
Other end ground connection, the 3rd resistor R3 other end connects with the first electric capacity C1 one end and MCU AD signal acquisitions port respectively
Connect, the first electric capacity C1 other end ground connection.
Above-mentioned second electric capacity C2 is filter capacitor, can be with filtering clutter, and the 4th resistance R4 and the 5th resistance R5 are current limliting
Resistance, the 4th resistance R4 be used for where MCU square wave output port branch road carry out overcurrent protection, the 5th resistance R5 be used for pair
Branch road where a common cathode diode D anode tap carries out overcurrent protection, therefore the safety and reliability of circuit is higher.
When human hand is away from touch-control sensing electrode K, the equivalent hand capacitance that touch-control sensing electrode K is produced exports for 0, MCU
Pwm signal be high level when, the first electric capacity C1 is charged by common cathode diode D, second resistance R2 and 3rd resistor R3,
When pwm signal is low level, the first electric capacity C1 is discharged by 3rd resistor R3, common cathode diode D and first resistor R1.
First electric capacity C1 is integrating capacitor.
When human hand is close to touch-control sensing electrode K, when pwm signal is high level, pwm signal passes through common cathode diode D
Hand capacitance is charged, due to common cathode diode D conducting resistance very little, hand capacitance self-capacity also very little charged
Journey moment completes, and when pwm signal is changed into high level, B points voltage instantaneous reaches high level, and E point voltages are due to passing through road second
Resistance R2 and 3rd resistor R3 charges and raised to the first electric capacity C1, and when pwm signal is low level, body capacitance passes through first
Resistance R1 repid discharges, the first electric capacity C1 is discharged by 3rd resistor R3, common cathode diode D and first resistor R1.Have
When human hand presses down rear pwm signal for low level, body capacitance is first discharged, only when B points voltage is less than C point voltages, and first
Electric capacity C1 just starts to discharge, and the first electric capacity C1 discharge times are very short in whole process, so pressed down relative to no human hand
Situation, the first electric capacity C1 charging interval is identical, and discharge time, the shorter integral voltage caused on the first electric capacity C1 was higher, MCU
By the voltage AD values on the first electric capacity C1 of its AD signal acquisitions port reading it may determine that going out human hand either with or without operation.
In the present embodiment, touch-control sensing control circuit 2 also includes the 6th resistance R6, the 6th resistance R6 one end and second
Resistance R2 other end connection, the 6th resistance R6 other end is connected with common cathode diode D another anode tap.6th electricity
Resistance R6 is current-limiting resistance, overcurrent protection is carried out for the branch road where another anode tap to common cathode diode D, to enter one
The safety and reliability of step enhancing circuit.
In the present embodiment, touch-control sensing control circuit 2 also includes the 7th resistance R7, the 7th resistance R7 one end and the 3rd
Resistance R3 other end connection, the 7th resistance R7 other end and MCU AD signal acquisitions port are connected.7th resistance R7 is limited
Leakage resistance, carries out overcurrent protection, further to strengthen the peace of circuit for the branch road where the AD signal acquisitions port to MCU
Full property and reliability.
In the present embodiment, touch-control sensing control circuit 2 also includes the 8th resistance R8, the 8th resistance R8 one end and touch-control
Induction electrode K connections, the 8th resistance R8 other end is extremely connected with common cathode diode D common cathode.8th resistance R8 is limited
Leakage resistance, for carrying out overcurrent protection to the branch road where touch-control sensing electrode K.
In a word, in the present embodiment, due to being controlled by mobile terminal to electromagnetic oven, therefore user can be right whenever and wherever possible
Electromagnetic oven is controlled.In addition, being provided with filter capacitor and current-limiting resistance in touch-control sensing control circuit 2, clutter can be filtered simultaneously
Overcurrent protection is carried out, 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 (5)
1. a kind of intelligent electromagnetic oven, it is characterised in that control circuit and wireless communication module, the channel radio including touch sensible
Believe that module receives the control instruction of mobile terminal transmission, and send it to the touch sensible control circuit, the touch-control sense
Circuit should be controlled to perform corresponding action according to the control instruction, the touch sensible control circuit includes MCU, common cathode two
Pole pipe, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the first electric capacity, the second electric capacity and touch-control sensing
Electrode, one end of the MCU is connected with the wireless communication module, and the square wave output port of the MCU passes through the described 4th electricity
Resistance is connected with one end of the first resistor and one end of the 5th resistance respectively, the other end of the first resistor respectively with it is described
The common cathode of touch-control sensing electrode, one end of second resistance and common cathode diode is extremely connected, the other end of the 5th resistance
Be connected with an anode tap of the common cathode diode, the other end of the second resistance respectively with the common cathode diode
Another anode tap, one end connection of one end of the second electric capacity and 3rd resistor, the other end ground connection of second electric capacity, institute
The other end for stating 3rd resistor is connected with one end of first electric capacity and MCU AD signal acquisitions port respectively, and described first
The other end ground connection of electric capacity.
2. intelligent electromagnetic oven according to claim 1, it is characterised in that the touch-control sensing control circuit also includes the 6th
Resistance, one end of the 6th resistance is connected with the other end of the second resistance, the other end of the 6th resistance with it is described
Another anode tap connection of common cathode diode.
3. intelligent electromagnetic oven according to claim 2, it is characterised in that the touch-control sensing control circuit also includes the 7th
Resistance, one end of the 7th resistance is connected with the other end of the 3rd resistor, the other end of the 7th resistance with it is described
MCU AD signal acquisitions port connection.
4. intelligent electromagnetic oven according to claim 3, it is characterised in that the touch-control sensing control circuit also includes the 8th
Resistance, one end of the 8th resistance is connected with the touch-control sensing electrode, the other end and the common cathode of the 8th resistance
The common cathode of pole diode is extremely connected.
5. the intelligent electromagnetic oven according to Claims 1-4 any one, it is characterised in that the wireless 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 |
|---|---|---|---|
| CN201710308854.XA CN107228392A (en) | 2017-05-04 | 2017-05-04 | Intelligent electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710308854.XA CN107228392A (en) | 2017-05-04 | 2017-05-04 | Intelligent electromagnetic oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107228392A true CN107228392A (en) | 2017-10-03 |
Family
ID=59934107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710308854.XA Pending CN107228392A (en) | 2017-05-04 | 2017-05-04 | Intelligent electromagnetic oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107228392A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070124632A1 (en) * | 2005-11-10 | 2007-05-31 | Hon Hai Precision Industry Co., Ltd. | Touch sensing apparatus |
| CN201238405Y (en) * | 2008-05-01 | 2009-05-13 | 美的集团有限公司 | Touch control induction circuit of induction cooker |
| CN201577081U (en) * | 2009-12-18 | 2010-09-08 | 宁波舜韵电子有限公司 | Capacitive touch induction key circuit |
| CN201717846U (en) * | 2010-06-17 | 2011-01-19 | 美的集团有限公司 | Touch induction circuit of induction cooker |
| CN205451181U (en) * | 2015-11-27 | 2016-08-10 | 深圳拓邦股份有限公司 | Food and beverage service system and intelligence electromagnetism stove thereof |
| CN106487365A (en) * | 2015-08-26 | 2017-03-08 | 佛山市顺德区美的电热电器制造有限公司 | A kind of multi-channel PWM drive control circuit, drive control method and electrical household appliance |
| CN206113026U (en) * | 2015-11-30 | 2017-04-19 | 金德奎 | Infrared communication intelligence electromagnetism stove and system thereof |
-
2017
- 2017-05-04 CN CN201710308854.XA patent/CN107228392A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070124632A1 (en) * | 2005-11-10 | 2007-05-31 | Hon Hai Precision Industry Co., Ltd. | Touch sensing apparatus |
| CN201238405Y (en) * | 2008-05-01 | 2009-05-13 | 美的集团有限公司 | Touch control induction circuit of induction cooker |
| CN201577081U (en) * | 2009-12-18 | 2010-09-08 | 宁波舜韵电子有限公司 | Capacitive touch induction key circuit |
| CN201717846U (en) * | 2010-06-17 | 2011-01-19 | 美的集团有限公司 | Touch induction circuit of induction cooker |
| CN106487365A (en) * | 2015-08-26 | 2017-03-08 | 佛山市顺德区美的电热电器制造有限公司 | A kind of multi-channel PWM drive control circuit, drive control method and electrical household appliance |
| CN205451181U (en) * | 2015-11-27 | 2016-08-10 | 深圳拓邦股份有限公司 | Food and beverage service system and intelligence electromagnetism stove thereof |
| CN206113026U (en) * | 2015-11-30 | 2017-04-19 | 金德奎 | Infrared communication intelligence electromagnetism stove and system thereof |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171003 |
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| RJ01 | Rejection of invention patent application after publication |