CN103763039A - Intelligent oven capable of being connected and communication method thereof - Google Patents
Intelligent oven capable of being connected and communication method thereof Download PDFInfo
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- CN103763039A CN103763039A CN201210031424.5A CN201210031424A CN103763039A CN 103763039 A CN103763039 A CN 103763039A CN 201210031424 A CN201210031424 A CN 201210031424A CN 103763039 A CN103763039 A CN 103763039A
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Abstract
The invention relates to the field of kitchens and mainly discloses an electric oven such as an automatic-control electric oven, a temperature-adjustable electric oven and a far-infrared electric oven and the like. In a casing, a control chip is electrically connected with an output control circuit, a key input circuit, a display circuit, an input signal identification circuit and a wireless communication circuit. A problem that at present, ovens are incapable of being connected with a computer or a handset, is mainly solved. To overcome defects of the prior art, the intelligent oven capable of being connected adopts a sound-wave communication method to enable the oven to be connected directly with a device such as a handset or a computer and the like so that different-function setting of the oven can be performed on an intelligent terminal such as a handset or a computer and the like.
Description
Technical field
The present invention relates to field, kitchen, is mainly the roasters such as automatic control type roaster, temperature adjustable roaster, far infrared type roaster.
Background technology
Existing roaster, as automatic control type roaster, temperature adjustable roaster, far infrared type roaster etc., on the guidance panel of baking box, carry out the setting of heating time, firepower, by its internal circuit, control, according to user, set in advance condition, automatically control power output, realize the heating to food.
Along with the development of technology of Internet of things, increasing electronic equipment can be online with computer, mobile phone, central controller or miscellaneous equipment, realizes the more powerful and function of hommization more.Conventionally, electronic equipment is communicated by letter by wireless radio frequency mode with external equipment, according to the difference of sales territory, adopts different carrier frequencies, as: north America region adopts 315MHz/915MHz, European Region adopts 433MHz/868MHz, universal frequency 2.4GHz etc. all over the world.According to the difference of product or design, adopt the radio communication agreement of various criterion, as the Zigbee based on IEEE802.15.4 standard, Zwave, AplusWave agreement or self-defining communications protocol.
At present, also do not have can be online with computer, mobile phone roaster, user can only carry out the setting of firepower size on the guidance panel of roaster.
The shortcoming of this roaster is that the available information of guidance panel carrying is limited, and the firepower of fixed size only can be set, and cannot automatically carry out firepower size adjustment according to the food of processing.
summary of the invention:
The object of the present invention is to provide a kind of can be directly and the terminal equipment such as mobile phone, the computer intelligent baking box that carries out data communication, mainly solve the problem that existing baking box can not communicate with mobile phone or computer.
The object of the invention is to be achieved through the following technical solutions:
A kind of intelligent baking box, in moulding shell, by control of product chip, be electrically connected to output control circuit, input signal circuit, key circuit, display circuit, it is characterized in that: control of product chip is connected with sound wave telecommunication circuit, by the sound wave of the unidirectional reception of sound wave telecommunication circuit or bidirectional transmit-receive specific coding form, the frequency range of sound wave is: audio frequency and/or ultrasonic frequency.
Described sound wave telecommunication circuit, is characterized in that: by sound wave codec chip and sound wave receiving circuit and sonic wave transmitting circuit, form bidirectional transmit-receive sound wave telecommunication circuit.
Described sound wave telecommunication circuit, is characterized in that: by sound wave codec chip and sound wave receiving circuit, form unidirectional reception sound wave telecommunication circuit.
A kind of intelligent baking box, in moulding shell, by control of product chip, be electrically connected to output control circuit, input signal circuit, key circuit, display circuit, it is characterized in that: control of product chip is connected with sound wave transmission circuit or sound wave receiving circuit, the sound wave of bidirectional transmit-receive or unidirectional reception specific coding form, the frequency range of sound wave is: audio frequency and/or ultrasonic frequency.
Described control of product chip, is characterized in that: control of product chip comprises sound wave decoding circuit and decoding software or comprises sound wave coding-decoding circuit and encoding and decoding software.
A kind of intelligent baking box wireless communications method, it is characterized in that: with more than two or two different sound wave carrier frequency, represent respectively different code elements, by sound wave telecommunication circuit, the sound wave receiving is decoded and/or the sound wave sending is encoded, the sound wave of unidirectional reception or bidirectional transmit-receive specific coding form and characteristic frequency, carry out data communication, the frequency range of sound wave is: audio frequency and/or ultrasonic frequency.
The present invention contrasts prior art, has following innovative point:
1. adopt sound wave communication, using sound wave as wireless carrier, and sound wave is carried out to Code And Decode, realize short range wireless transmission.
2. at roaster, as being furnished with sound wave telecommunication circuit in the roasters such as automatic control type roaster, temperature adjustable roaster, far infrared type roaster, can unidirectional reception or bidirectional transmit-receive there is the sound wave of specific coding form, and it is decoded or encoding and decoding.
3. in the intelligent terminals such as mobile phone or panel computer or computer, install and control software, this software has sound wave encoding and decoding control program, by MIC and the loud speaker of mobile phone or apparatus such as computer, receives and send the sound wave of specific coding form.
The present invention contrasts prior art, has following remarkable advantage:
1. can be directly and the intelligent terminal such as mobile phone or computer online, do not need the switching of other intermediate equipment, as message exchange (router, UKey, data acquisition unit etc.).
2. can replace special-purpose central controller with intelligent terminals such as universal mobile phone, computer, panel computers, not only save the cost of central controller, and greatly strengthened the convenience of attainable function and man-machine interaction.
3. as long as renewal is loaded in the control software in the intelligent terminals such as mobile phone or computer, do not need to redesign product, can realize new function or improve original function, make product more competitive.
Accompanying drawing explanation
Fig. 1 is sound wave two-way communication schematic diagram
Fig. 2 is sound wave one-way communication method schematic diagram
Fig. 3 is the bidirectional transmit-receive embodiment circuit structure diagram that control of product chip and sound wave telecommunication circuit form
Fig. 4 is the unidirectional reception embodiment circuit structure diagram that control of product chip and sound wave telecommunication circuit form
Fig. 5 is the sound wave telecommunication circuit schematic diagram of a two-way communication
Fig. 6 is A/D sample circuit and the D/A D/A converting circuit structure chart of sound wave codec chip inside
Fig. 7 is the two-way communication circuit structure chart that control of product chip is directly connected with sound wave transmission circuit
Fig. 8 is the one-way communication circuit structure diagram that control of product chip is directly connected with sound wave receiving circuit
Fig. 9 is a principle of products figure of the present invention
Embodiment
To contribute to understand by the following description of the embodiments the present invention, but not limit content of the present invention.
As shown in Figure 1, the intelligent terminals such as mobile phone, computer, panel computer and online product carry out RFDC by sound wave to the method that the present invention adopts sound wave communication.Frequency of sound wave adopts audio frequency 20-20KHz and is greater than the ultrasonic frequency of 20KHz, wherein, mainly adopts the frequency of sound wave of 5KHz ~ 25KHz.In specific sound wave communication protocol, adopt one or more different frequency of sound wave as carrier wave, according to specific coded format, carry out data communication.
User carries out correlation function setting by controlling software to online product on the intelligent terminals such as mobile phone, computer, control software the function of user's setting is converted to data command, according to specific sound wave communications protocol format, sound wave is encoded, by sound wave transtation mission circuit, by take the instruction that sound wave is carrier wave, send to online product.
The sound wave telecommunication circuit of online product receives after sound wave instruction by sound wave receiving circuit, it is decoded, acquisition meets the instruction of identical sound wave communication protocol, by data wire (SPI, UART, I2C, 232 or self-defined etc.), send instruction to control of product chip (MCU), control of product chip is done corresponding control according to the instruction of receiving to circuit such as display circuit, output control circuit or circuit for checking input signals, thereby realizes user's setting.
When online product needed sends the information of the machine the intelligent terminals such as to mobile phone, computer, control of product chip is passed to sound wave telecommunication circuit by data message waiting for transmission by data wire (SPI, UART, I2C, 232 or self-defined etc.), according to specific sound wave communications protocol format, by sound wave telecommunication circuit, encode, be converted to acoustic signals, by sound wave transtation mission circuit, instruction sent to the intelligent terminals such as mobile phone or computer.
The intelligent terminal such as mobile phone, computer receives after sound wave instruction by sound wave receiving circuit, by controlling software, the sound wave receiving is decoded, and obtains corresponding data command, in controlling software, this instruction is carried out to relevant treatment.
More than the method explanation of sound wave two-way communication, as shown in Figure 1.The method that adopts sound wave two-way communication, user can be arranged or control online product by intelligent terminals such as mobile phone, computers, also can obtain the state information of online product, and the method can obtain good man-machine interaction effect.
If consider the cost of product, also can adopt the mode of sound wave one-way communication, as shown in Figure 2.In Fig. 2, in the sound wave telecommunication circuit of online product, only have the unidirectional reception of sound wave, there is no sound wave sending function.Sound wave telecommunication circuit receives after sound wave instruction by sound wave receiving circuit, it is decoded, acquisition meets the instruction of the same communications protocols, by data wire, send instruction to control of product chip (MCU), control of product chip is done corresponding control according to the instruction of receiving to showing, export the circuit such as control or input signal detection, thereby realizes user's setting.
Adopt the sound wave one-way communication mode shown in Fig. 2, user can only be arranged or control online product by intelligent terminals such as mobile phone, computers, and can not obtain the state information of online product, it is higher to cost requirement or in the lower product of functional requirement that the method is applicable to.
Embodiment 1: adopt sound wave telecommunication circuit and control chip scheme
Fig. 3, Fig. 4, Fig. 5, Fig. 6 adopt sound wave telecommunication circuit and control chip to describe in conjunction with the scheme that realizes online function.
Fig. 3 is the bidirectional transmit-receive embodiment circuit structure diagram that control of product chip and sound wave telecommunication circuit form
。Sound wave telecommunication circuit forms bidirectional transmit-receive sound wave telecommunication circuit by sound wave codec chip, sound wave receiving circuit, sonic wave transmitting circuit.Sound wave receiving circuit receives outside voice signal, send sound wave codec chip to, the A/D sample circuit built-in by sound wave codec chip is converted to digital signal by the acoustic signals of analog quantity, pass through again the built-in decoding program of sound wave codec chip, to being mainly the acoustic signals decoding of 5KHz ~ 25KHz, obtain relevant instruction, sound wave codec chip sends instruction to control of product chip turnover respective handling by data wire (SPI, UART, I2C, 232 or self-defined etc.).Control of product chip also can send instruction to sound wave codec chip by data wire (SPI, UART, I2C, 232 or self-defined etc.), the built-in coded program of sound wave codec chip is according to specific sound wave communications protocol format, instruction is encoded, again by the D/A change-over circuit of sound wave codec chip, the acoustic signals that is analog quantity by the instruction transformation of digital signal, sends by sound wave transtation mission circuit.Frequency of sound wave adopts audio frequency 20-20KHz and is greater than the ultrasonic frequency of 20KHz, wherein, mainly adopts the frequency of sound wave of 5KHz ~ 25KHz.
Fig. 4 is the unidirectional reception embodiment circuit structure diagram that control of product chip and sound wave telecommunication circuit form
。Sound wave telecommunication circuit forms unidirectional reception sound wave telecommunication circuit by sound wave codec chip and sound wave receiving circuit.Sound wave receiving circuit receives outside voice signal, send sound wave codec chip to, the A/D sample circuit built-in by sound wave codec chip is converted to digital signal by the acoustic signals of analog quantity, pass through again the built-in decoding program of sound wave codec chip, to being mainly the acoustic signals decoding of 5KHz ~ 25KHz, obtain relevant instruction, sound wave codec chip sends instruction to control of product chip turnover respective handling by data wire (SPI, UART, I2C, 232 or self-defined etc.).
Fig. 5 is the sound wave telecommunication circuit schematic diagram of a two-way communication.The acoustic signals that sound wave receiving circuit 2 is received is converted to digital signal by the A/D sample circuit of sound wave codec chip 1 inside, the built-in decoding program of sound wave codec chip 1 is decoded to digital signal, be converted to corresponding control command, by data wire 4 (adopting standard SPI interface in this example), send control of product chip to.
Sound wave codec chip 1 also can be converted to digital command the instruction of specific acoustic wave communications protocol format by built-in coded program, by built-in D/A D/A converting circuit, be converted to analog signals, by sound wave transtation mission circuit 3, sends.
Fig. 6 is A/D sample circuit and the D/A D/A converting circuit structure chart of sound wave codec chip inside.The acoustic signals that sound wave receiving circuit 2 is received, is converted to digital signal by A/D sample circuit 5 built-in in sound wave codec chip 1, then is decoded by the embedded software of sound wave codec chip 1, obtains digital command.The embedded software of sound wave codec chip 1 is the instruction that meets specific acoustic wave communications protocol format by instruction encoding to be transmitted, and the acoustic signals that is analog quantity by instruction transformation by D/A D/A converting circuit 6 externally sends by sound wave transtation mission circuit 3.
Embodiment 2: the built-in sound wave coding and decoding scheme of control chip
Fig. 7, Fig. 8, Fig. 9 are that the scheme of control of product built-in chip type A/D and D/A conversion and encoding and decoding software is described.
Fig. 7 is the two-way communication circuit structure chart that control of product chip is directly connected with sound wave reception, radiating circuit.Control of product chip comprises sound wave decoding circuit and decoding software or comprises sound wave coding-decoding circuit and encoding and decoding software.The acoustic signals of the analog quantity being received by sound wave receiving circuit is converted to digital signal through the A/D sample circuit of product control chip inside, through control of product built-in chip type decoding program, to being mainly the acoustic signals of 5KHz ~ 25KHz, decode again, obtain relevant instruction, by control of product chip, according to preset control software, control demonstration waits human-computer interaction interface, input signal identification circuit, output control circuit to do corresponding action.Control of product chip also can be by built-in coded program according to specific sound wave communications protocol format, to sent instruction, encode, again by the D/A D/A converting circuit of control chip inside, the acoustic signals that is analog quantity by the instruction transformation of digital signal, sends by sound wave transtation mission circuit.Frequency of sound wave adopts audio frequency 20-20KHz and is greater than the ultrasonic frequency of 20KHz, wherein, mainly adopts the frequency of sound wave of 5KHz ~ 25KHz.
Fig. 8 is the one-way communication circuit structure diagram that control of product chip is directly connected with sound wave receiving circuit.Control of product chip comprises sound wave decoding circuit and decoding software or comprises sound wave coding-decoding circuit and encoding and decoding software.The acoustic signals being received by sound wave receiving circuit is converted to digital signal through the A/D sample circuit of product control chip inside, through control of product built-in chip type decoding program, to being mainly the acoustic signals of 5KHz ~ 25KHz, decode again, obtain relevant instruction, by control of product chip, according to preset control software, control demonstration waits human-computer interaction interface, input signal identification circuit, output control circuit to do corresponding action.
Fig. 9 is a principle of products figure of the present invention.The acoustic signals that sound wave receiving circuit 2 is received, the A/D sample circuit built-in by control of product chip 11 is converted to digital signal, by the built-in decoding software of control of product chip 11, decoded again, acquisition meets the instruction of specific acoustic wave communications protocol format, according to preset control software, control human-computer interaction interface 8(demonstrations, button etc.), input signal is temperature detection signal in this example of input signal identification circuit 9(), be relay output control in this example of output control circuit 7() control heat-generating pipe power on/off.
Control of product chip 11 also can pass through built-in D/A D/A converting circuit and preset coded program, by instruction transformation to be sent, is acoustic signals, by sound wave transtation mission circuit 3, externally sends.Each circuit module provides power supply by power supply decompression voltage regulator 10.
Below by reference to the accompanying drawings the specific embodiment of the present invention is described; but these explanations can not be understood to limit scope of the present invention; protection scope of the present invention is limited by the claims of enclosing, and any change on the claims in the present invention basis is all protection scope of the present invention.
Claims (6)
1. an intelligent baking box, in moulding shell, by control of product chip, be electrically connected to output control circuit, input signal circuit, key circuit, display circuit, it is characterized in that: control of product chip is connected with sound wave telecommunication circuit, by the sound wave of the unidirectional reception of sound wave telecommunication circuit or bidirectional transmit-receive specific coding form, the frequency range of sound wave is: audio frequency and/or ultrasonic frequency.
2. sound wave telecommunication circuit according to claim 1, is characterized in that: by sound wave codec chip and sound wave receiving circuit and sonic wave transmitting circuit, form bidirectional transmit-receive sound wave telecommunication circuit.
3. sound wave telecommunication circuit according to claim 1, is characterized in that: by sound wave codec chip and sound wave receiving circuit, form unidirectional reception sound wave telecommunication circuit.
4. an intelligent baking box, in moulding shell, by control of product chip, be electrically connected to output control circuit, input signal circuit, key circuit, display circuit, it is characterized in that: control of product chip is connected with sound wave transmission circuit or sound wave receiving circuit, the sound wave of bidirectional transmit-receive or unidirectional reception specific coding form, the frequency range of sound wave is: audio frequency and/or ultrasonic frequency.
5. control of product chip according to claim 4, is characterized in that: control of product chip comprises sound wave decoding circuit and decoding software or comprises sound wave coding-decoding circuit and encoding and decoding software.
6. an intelligent baking box wireless communications method, it is characterized in that: with more than two or two different sound wave carrier frequency, represent respectively different code elements, by sound wave telecommunication circuit, the sound wave receiving is decoded and/or the sound wave sending is encoded, the sound wave of unidirectional reception or bidirectional transmit-receive specific coding form and characteristic frequency, carry out data communication, the frequency range of sound wave is: audio frequency and/or ultrasonic frequency.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210031424.5A CN103763039A (en) | 2012-02-14 | 2012-02-14 | Intelligent oven capable of being connected and communication method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210031424.5A CN103763039A (en) | 2012-02-14 | 2012-02-14 | Intelligent oven capable of being connected and communication method thereof |
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| CN103763039A true CN103763039A (en) | 2014-04-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375538A (en) * | 2014-11-18 | 2015-02-25 | 深圳市新联锋科技有限公司 | Intelligent oven and control method thereof |
| CN107634808A (en) * | 2016-07-19 | 2018-01-26 | 佛山市顺德区美的电热电器制造有限公司 | A kind of wireless communication apparatus, cooking apparatus and wireless communication method |
-
2012
- 2012-02-14 CN CN201210031424.5A patent/CN103763039A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375538A (en) * | 2014-11-18 | 2015-02-25 | 深圳市新联锋科技有限公司 | Intelligent oven and control method thereof |
| CN107634808A (en) * | 2016-07-19 | 2018-01-26 | 佛山市顺德区美的电热电器制造有限公司 | A kind of wireless communication apparatus, cooking apparatus and wireless communication method |
| CN107634808B (en) * | 2016-07-19 | 2023-06-06 | 佛山市顺德区美的电热电器制造有限公司 | Wireless communication device, cooking utensil and wireless communication method |
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Application publication date: 20140430 |