CN102915054A - Refrigerator temperature prompting controller with MP3 (moving picture experts group audio layer-3) playing ability - Google Patents
Refrigerator temperature prompting controller with MP3 (moving picture experts group audio layer-3) playing ability Download PDFInfo
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- CN102915054A CN102915054A CN2012104157968A CN201210415796A CN102915054A CN 102915054 A CN102915054 A CN 102915054A CN 2012104157968 A CN2012104157968 A CN 2012104157968A CN 201210415796 A CN201210415796 A CN 201210415796A CN 102915054 A CN102915054 A CN 102915054A
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Abstract
The invention discloses a refrigerator temperature prompting controller with an MP3 (moving picture experts group audio layer-3) playing ability. The refrigerator temperature prompting controller comprises a master control unit and an MP3 control unit; the master control is used for realizing ambient temperature detection, voice broadcast, LCD (liquid crystal display) control, key control and clock functions; the MP3 control unit is used for realizing an MP3 playing function, an extended storage function and power charge-discharge management; the master control unit comprises an ambient temperature detecting circuit connected with a master chip, an LCD driving circuit, a communication circuit for the master chip and an MP3 chip, a voice broadcast circuit, a key control circuit and a clock circuit; and the MP3 control unit comprises a loudspeaker driving circuit, an extended storage circuit and a power management circuit. The refrigerator temperature prompting controller has the advantages that refrigerator control input and audio playing control input are compatible, and the traditional refrigerator control functions are combined with an audio playing function.
Description
Technical field
The present invention relates to refrigerator control technology field and audio frequency play-back technology field, be specifically related to a kind of refrigerator temperature prompting controller of the MP3 of having ability to play.
Background technology
Along with bringing of the development of science and technology, digital times, being growing more intense of domestic and international market competition, people are also more and more higher for the requirement of various household appliances, not only require good product performance, reliable in quality, and require also more and more higher to the hommization of product.
On the refrigerator market now, generally only have the refrigerator of computer temperature control, electronic temperature control to possess the ability of accurate temperature controller, possess simultaneously user misoperation prompting ability, such as open alarm, temperature prompt etc.; But the refrigerator of mechanical temperature-control does not generally possess the alarm ability after user's operation or the maloperation, often because user misoperation produces some puzzlements and loss.The customer group of mechanical temperature control refrigerator occupies more than 70% of refrigerator customer group, therefore mechanical refrigerator control prompting alert capability needs anxious to be developed.
In addition, because the raising that the product hommization requires has loaded multi-media player function on some high-end computer refrigerator, cater to people's needs; But because it is with high costs, universalness is difficulty relatively.
Summary of the invention
Problem to be solved by this invention provides a kind of refrigerator temperature prompting controller of play MP3 audio frequency easy and simple to handle, with low cost, realizes that mainly environment temperature prompting and refrigerator temperature controller gear are regulated voice suggestion, the MP3 audio frequency is play and the perpetual calendar clock demonstration.
The present invention is achieved through the following technical solutions: a kind of refrigerator temperature prompting controller with MP3 ability to play includes: main control unit is used for environment temperature detection, voice broadcast, LCD demonstration control, presses key control, clock; The MP3 control module is used for MP3 broadcast, extension storage, power supply management of charging and discharging.
Main control unit comprises communicating circuit, voice broadcast circuit, key control circuit, the clock circuit of the ambient temperature detection circuit, LCD driving circuit, master chip and the MP3 chip that are connected with master chip; The MP3 control module comprises drive circuit of loudspeaker, Memory Extension circuit, electric power management circuit.
The main control unit layout is on the pcb board of liquid crystal display right lower quadrant: ambient temperature detection circuit includes thermistor RV1, and resistance in series R9 is connected to master chip Pin16; The voice broadcast circuit includes speech chip U3 and connects master chip Pin9, Pin13, Pin14, and speech chip U3 output is connected to loudspeaker LS1; Direct-connected to MP3 chip Pin22, Pin26, Pin27 by resistance by main control chip Pin21, Pin1, Pin2 with MP3 chip communicating circuit; The LCD driving circuit drives chip HT621 by LCD and segment liquid crystal screen TN-LCD forms; Key control circuit is linked main control chip U2 by K1 ~ K6 six press keys; Clock circuit comprises that clock chip U4 and crystal oscillator Y2 and peripheral circuit thereof form.
The MP3 control module is on the pcb board of liquid crystal display lower left quarter: drive circuit of loudspeaker is comprised of power amplifier chips U6 and comparator circuit thereof; The Memory Extension circuit is by Micro USB interface CON1, TF deck TF1, E
2PROM U7 and peripheral circuit thereof form; Electric power management circuit power management chip U5 and peripheral circuit thereof form electric power management circuit.
The present invention compared with prior art has following advantage.
Solution provided by the present invention adopts the dual chip design.The device of dual chip control is had nothing in common with each other, and the function of realization is also had nothing in common with each other.By the chip serial port communicating protocol, realized the compatibility of refrigerator control inputs and audio frequency Play Control input, realized the Display on the same screen of refrigerator functions and perpetual calendar, realized the perfect adaptation that conventional refrigerator control function and audio frequency are play.The thinking of this solution can be used as the design reference of multimedia refrigerator.
Description of drawings
Fig. 1 is main control unit electrical schematic diagram of the present invention.
Fig. 2 is that LCD of the present invention drives electrical schematic diagram.
Fig. 3 is MP3 control module electrical schematic diagram.
Fig. 4 is LCD display structure and press-key structure schematic diagram.
Embodiment
Below by instantiation the present invention is further described.
U1 among Fig. 1: power supply voltage stabilizing IC, U2: master control IC, U3: voice IC, U4: clock IC, RV1: thermistor (environment temperature sensor).
HT1621:LCD drive IC among Fig. 2, TN-LCD: segment liquid crystal screen.
U5 among Fig. 3: power management IC, U6: power discharging IC, U7:E
2PROM, U8:MP3 control IC:CON1:Micro USB interface, TF1:TF deck.
Button is respectively from left to right among Fig. 4: ON/OFF key, MP3 broadcast/stop key, voice suggestion key, perpetual calendar/mode setting button, UP key, DOWN key.
A kind of refrigerator temperature prompting controller of playing the MP3 audio frequency comprises: main control unit comprise ambient temperature detection circuit, LCD driving circuit, with communicating circuit, voice broadcast circuit, key control circuit, the clock circuit of MP3 chip; MP3 control module: drive circuit of loudspeaker, Memory Extension circuit, electric power management circuit.
Ambient temperature detection circuit comprises the thermistor RV1 that is connected to master chip Pin16 by resistance R 9 for detection of environment temperature, and main control chip is analyzed the analog quantity of ambient temperature detection circuit input and judged processing.
The LCD driving circuit is used for driving liquid crystal display and backlight, is connected to master chip by Pin1, Pin2, the Pin3 that drives chip HT1621, directly by master chip control liquid crystal display.
The communicating circuit of master chip and MP3 chip, master chip Pin1, Pin32 and MP3 chip Pin26, Pin27 are direct-connected, carry out serial communication, and according to communications protocol, master chip is inputted different action commands according to different operating input to MP3.
The voice broadcast circuit is used for playing the voice suggestion that refrigerator is controlled, and main control chip reads in by Pin13, Pin5 and drives the built-in voice recording of speech chip U3, is driven into power amplifier chips U6 by Pin22 simultaneously, is play by U6 control loudspeaker.
Key control circuit is used for the input of difference in functionality control, and K1 ~ K6 is connected to master chip Pin5, identifies different incoming levels by triode Q4, realizes different key operation input.
Clock circuit, be used for writing time, realize perpetual calendar clock, crystal oscillator Y2 consists of the oscillatory circuit of clock circuit, clock chip is connected to master chip Pin17, Pin9, Pin8 by Pin5, Pin6, Pin7, clock count is inputted master chip, have master chip to divert one's attention to process rear output liquid crystal display and realize that perpetual calendar clock shows.
Drive circuit of loudspeaker is used for voice broadcast and MP3 plays, and master chip connects power amplifier chips Pin1 by Pin22, drives loudspeaker and plays; The MP3 chip is connected to power amplifier chips Pin4 by Pin46 by capacitor C 25 and resistance R 35, drives loudspeaker and plays.
The TF deck partly is used for identification TF, these two kinds of storage mediums of Micro SD card in the Memory Extension circuit, and the Micro usb segment is used for the storage medium that identification connects, E
2PROM is used for power-fail memory function, and CON1 interface Pin, Pin3 are directly connected to MP3 chip Pin37, Pin38, and TF deck Pin5, Pin7 are directly connected to MP3 chip Pin35, Pin36, the operation such as identifies, reads by the MP3 chip; E
2Pin5, the Pin6 of PROM storage chip U7 is directly connected to MP3 chip Pin32, Pin31, the clock when depositing last broadcast state and memory outage in when MP3 cuts off the power supply.
Electric power management circuit is used for the power supply control that battery serves as discharge management, MP3, stabilivolt D10 carries out voltage stabilizing, resistance R 29 and capacitor C 10 to input voltage and carries out filtering, resistance R 30 control inputs circuit, and the Pin2, the Pin8 that are connected to power management U5 in former years repeatedly kick into the row charging; Input power carries out dividing potential drop by resistance R 12 in addition simultaneously by resistance in series R27 and triode Q5, comes master chip and MP3 chip are powered; Under the battery input condition, battery passes through directly to power to master chip after resistance R 5, the R6 dividing potential drop, be connected to power management chip Pin5 input power by metal-oxide-semiconductor Q6 simultaneously, 21 pairs of input voltages of capacitor C carry out filtering, by power management chip Pin4 contact resistance R27 and triode Q5 out-put supply to the MP3 chip; Power management chip U5 is by Pin5 automatic detection battery voltage state, and chip discharges automatically, charging, outage management; Master chip Pin2 is connected to the battery output terminal by amplifier U1, according to amplifier input fiducial value, determines the prompting power supply status; Master chip Pin2 connects the Pin6 input of control commands of power management chip U5, the power supply output of control Pin4, thereby the power supply of control MP3 chip; Power management chip Pin5 series connection triode Q7 is connected with resistance R and is connected master chip Pin21, returns the level state of MP3 power supply, and the control of master chip analyzing and processing is arranged.
MP3 provided by the present invention plays also has the design of professional sound chamber, has stereo and the supper bass effect.By above design, satisfied the control prompting of mechanical refrigerator, satisfied amusement and the user demand of people for refrigerator.
Claims (2)
1. the refrigerator temperature prompting controller with MP3 ability to play comprises main control unit, MP3 control module, it is characterized in that: main control unit is used for environment temperature detection, voice broadcast, LCD demonstration control, presses key control, clock; The MP3 control module is used for MP3 broadcast, extension storage, power supply management of charging and discharging;
Main control unit comprises communicating circuit, voice broadcast circuit, key control circuit, the clock circuit of the ambient temperature detection circuit, LCD driving circuit, master chip and the MP3 chip that are connected with master chip;
The MP3 control module comprises drive circuit of loudspeaker, Memory Extension circuit, electric power management circuit.
2. a kind of refrigerator temperature with MP3 ability to play according to claim 1 is pointed out controller, and it is characterized in that: described ambient temperature detection circuit includes thermistor RV1, and resistance in series R9 is connected to master chip Pin16; The voice broadcast circuit includes speech chip U3 and connects master chip Pin9, Pin13, Pin14, and speech chip U3 output is connected to loudspeaker LS1; Direct-connected to MP3 chip Pin22, Pin26, Pin27 by resistance by main control chip Pin21, Pin1, Pin2 with MP3 chip communicating circuit; The LCD driving circuit drives chip HT621 by LCD and segment liquid crystal screen TN-LCD forms; Key control circuit is linked main control chip U2 by the K1-K6 six press keys; Clock circuit comprises that clock chip U4 and crystal oscillator Y2 and peripheral circuit thereof form;
Drive circuit of loudspeaker is comprised of power amplifier chips U6 and comparator circuit thereof; The Memory Extension circuit is by Micro USB interface CON1, TF deck TF1, E
2PROM U7 and peripheral circuit thereof form; Electric power management circuit power management chip U5 and peripheral circuit thereof form electric power management circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104157968A CN102915054A (en) | 2012-10-26 | 2012-10-26 | Refrigerator temperature prompting controller with MP3 (moving picture experts group audio layer-3) playing ability |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104157968A CN102915054A (en) | 2012-10-26 | 2012-10-26 | Refrigerator temperature prompting controller with MP3 (moving picture experts group audio layer-3) playing ability |
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| CN102915054A true CN102915054A (en) | 2013-02-06 |
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| CN2012104157968A Pending CN102915054A (en) | 2012-10-26 | 2012-10-26 | Refrigerator temperature prompting controller with MP3 (moving picture experts group audio layer-3) playing ability |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080165509A1 (en) * | 2007-01-04 | 2008-07-10 | Whirlpool Corporation | Host With Multiple Adapters for Coupling Consumer Electronic Devices |
| CN201212763Y (en) * | 2008-05-19 | 2009-03-25 | 杭州华日电冰箱股份有限公司 | Multimedia computer refrigerator |
| CN201273759Y (en) * | 2008-09-05 | 2009-07-15 | 周永波 | Multifunctional intelligent refrigerator |
| KR20100012352A (en) * | 2008-07-28 | 2010-02-08 | 엘지전자 주식회사 | Apparatus and method for controlling user input |
| CN201575656U (en) * | 2009-12-25 | 2010-09-08 | 杭州华日电冰箱股份有限公司 | Refrigerator with functions of MP3 and sound recording |
| CN102252481A (en) * | 2011-06-23 | 2011-11-23 | 浙江普信电器股份有限公司 | Voice refrigerator |
| CN202328991U (en) * | 2011-11-15 | 2012-07-11 | 河南冰熊电器股份有限公司 | Voice temperature control prompter for refrigerator |
| CN202452782U (en) * | 2011-12-21 | 2012-09-26 | 郑州椿长仪器仪表有限公司 | Voice prompt box for refrigerator or refrigerating cabinet |
| CN202473172U (en) * | 2011-11-14 | 2012-10-03 | 邓振强 | Product voice demonstration system and intelligent household product voice demonstration system of digital room |
-
2012
- 2012-10-26 CN CN2012104157968A patent/CN102915054A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080165509A1 (en) * | 2007-01-04 | 2008-07-10 | Whirlpool Corporation | Host With Multiple Adapters for Coupling Consumer Electronic Devices |
| CN201212763Y (en) * | 2008-05-19 | 2009-03-25 | 杭州华日电冰箱股份有限公司 | Multimedia computer refrigerator |
| KR20100012352A (en) * | 2008-07-28 | 2010-02-08 | 엘지전자 주식회사 | Apparatus and method for controlling user input |
| CN201273759Y (en) * | 2008-09-05 | 2009-07-15 | 周永波 | Multifunctional intelligent refrigerator |
| CN201575656U (en) * | 2009-12-25 | 2010-09-08 | 杭州华日电冰箱股份有限公司 | Refrigerator with functions of MP3 and sound recording |
| CN102252481A (en) * | 2011-06-23 | 2011-11-23 | 浙江普信电器股份有限公司 | Voice refrigerator |
| CN202473172U (en) * | 2011-11-14 | 2012-10-03 | 邓振强 | Product voice demonstration system and intelligent household product voice demonstration system of digital room |
| CN202328991U (en) * | 2011-11-15 | 2012-07-11 | 河南冰熊电器股份有限公司 | Voice temperature control prompter for refrigerator |
| CN202452782U (en) * | 2011-12-21 | 2012-09-26 | 郑州椿长仪器仪表有限公司 | Voice prompt box for refrigerator or refrigerating cabinet |
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Application publication date: 20130206 |