CN202267833U - Timing decoding module of electric wave clock - Google Patents
Timing decoding module of electric wave clock Download PDFInfo
- Publication number
- CN202267833U CN202267833U CN 201120250377 CN201120250377U CN202267833U CN 202267833 U CN202267833 U CN 202267833U CN 201120250377 CN201120250377 CN 201120250377 CN 201120250377 U CN201120250377 U CN 201120250377U CN 202267833 U CN202267833 U CN 202267833U
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- circuit
- mcu
- information
- digital decoding
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- Expired - Fee Related
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Abstract
The utility model discloses a timing decoding module of an electric wave clock. The module comprises an antenna frequency-selecting circuit, an AM (amplitude modul) receiving circuit, a reset circuit, a digital decoding circuit, an MCU (microprogrammed control unit) circuit, an MCU clock circuit, a key circuit, a display circuit, a sound driving circuit, a back light driving circuit and a power supply circuit, wherein the antenna frequency-selecting circuit sends information to the AM receiving circuit which transmits the information to the digital decoding circuit; the digital decoding circuit sends the information to the MCU circuit; the reset circuit sends reset information to the MCU circuit; the MCU clock circuit sends system lock information to the MCU circuit; the key circuit sends a key instruction to the MCU circuit; the power supply circuit supplies power to the MCU circuit; the MCU circuit sends the processed information to the display circuit, the back light driving circuit and the sound driving circuit; the MCU circuit sends the information to the digital decoding circuit; and the digital decoding circuit sends the instruction to the AM receiving circuit. The timing decoding module of the electric wave clock has the advantages that the structure is simple, the operation is easy and simple, and the timing decoding can be modularized.
Description
Technical field
The utility model relates to the radio controlled timepiece field, decoder module when referring more particularly to a kind of school of radio controlled timepiece.
Background technology
At present decoding process is during the school of radio controlled timepiece: after AM IC received that MCU receives instruction, magnetic rod antenna picked up the AM signal, amplified through AM IC; Shaping; Demodulation is exported the different analog square wave signal of a succession of dutycycle and is given MCU, and MCU represents numeral 0 and 1 respectively according to the width of square-wave signal; Then according to each coding protocol, translate useful temporal information as: the time, data such as branch, second, year, the moon, day, daylight-saving time.MCU comes refresh pointer or LCD to show the purpose when reaching the school according to temporal information again.
The method weak point is to use underaction, and is inconvenient during modify feature.
The utility model content
The purpose of the utility model is to overcome above-mentioned weak point of the prior art and decoder module during the school of the novel radio controlled timepiece of decoder moduleization when a kind of simple in structure, easy to operate, high-ranking officers are provided.
The utility model is realized through following mode:
Decoder module during a kind of school of radio controlled timepiece; It is characterized in that: include antenna selecting frequency circuit A, AM receiving circuit B, reset circuit C, digital decoding circuit D, MCU circuit E, MCU clock circuit F, key circuit G, display circuit H, voice drive circuit I, backlight drive circuit J, power circuit K, wherein:
Antenna selecting frequency circuit A transmission information is given AM receiving circuit B, and AM receiving circuit B gives digital decoding circuit D with information transmission; Digital decoding circuit D is transferred to MCU circuit E after with information decoding; Reset circuit C is transferred to MCU circuit E with repositioning information; MCU clock circuit F gives MCU circuit E with the system clock information transmission; Key circuit G is transferred to MCU circuit E with key command; Power circuit K offers MCU circuit E with power supply; MCU circuit E is transferred to display circuit H, backlight drive circuit J, voice drive circuit I after with information processing; MCU circuit E sends instruction after with information processing and gives digital decoding circuit D, and digital decoding circuit D sends to AM receiving circuit B with instruction.
AM receiving circuit B of the utility model and digital decoding circuit D are not in dormant state when using, and reach energy-conservation purpose.When MCU circuit E receive user key-press instruction, MCU circuit E start immediately with digital decoding circuit D between communicate by letter, and see a command signal off and give digital decoding circuit D, digital decoding circuit D is activated; Digital decoding circuit D sends immediately and allows to receive instruction to AM receiving circuit B, and AM receiving circuit B is activated; Begin to receive electric wave signal.Antenna selecting frequency circuit A changes into faint ac signal with electromagnetic wave signal; Give AM receiving circuit B, AM receiving circuit B is through inner amplifying circuit, local oscillation circuit; Demodulator circuit is exported the square-wave signal that a succession of dutycycle do not wait at last and is given digital decoding circuit D; The difference of the dutycycle of the square-wave signal that digital decoding circuit D sees off according to AM receiving circuit B can be translated into numeral " 1 " or " 0 " respectively, initial code, end code, check code etc.; Combine specific coding agreement (BPC/JJY/WWVB/DCF/MSF) to translate concrete temporal information again, and be stored in digital decoding circuit D inside with binary mode; After decoding was accomplished, E sent interrupt request singal to the MCU circuit, and the prompting decoding is accomplished, and MCU circuit E that temporal information is read away; Digital decoding circuit D sends to AM receiving circuit B and stops to receive instruction simultaneously, makes AM receiving circuit B get back to dormant state again; After MCU circuit E received the interrupt request of digital decoding circuit D, response was at once interrupted; MCU circuit E reads temporal information through communication bus from the inside of digital decoding circuit D; After reading completion, MCU circuit E sends halt instruction to digital decoding circuit D, makes digital decoding circuit D get back to dormant state again; MCU circuit E calculates through in house software, logic determines, and time bias draws correct time of reception; MCU circuit E refreshes display circuit H according to the difference of present time with the time that receives; Display circuit H refreshes LCD demonstration or pointer demonstration through the information of MCU circuit E.Accomplished a complete electric wave receiving course like this.
In dormant state, MCU clock circuit F provides the stable clock signal to MCU circuit E, and MCU circuit E draws a second signal through frequency division, MCU circuit E according to second carry signal refresh display circuit H; No matter receiving electric wave state or dormant state, power circuit K is that other each element circuit provides stable power.
In each above-mentioned user mode, the user can open backlight drive circuit J through key circuit G.Its process is: MCU circuit E is given in key circuit G move instruction, and MCU circuit E sees signal again off and drives backlight drive circuit J according to logic determines.
In above-mentioned button operation process, MCU circuit E can be according to whether legal effective judgement of button, if effective button, MCU circuit E sees the key sound signal off and gives voice drive circuit I, and voice drive circuit I is converted into keypad tone to the key sound signal.
The decoder module during school of the novel radio controlled timepiece of decoder moduleization when in sum, the utility model provides a kind of simple in structure, easy and simple to handle, high-ranking officers.
Description of drawings
Fig. 1 the utility model structured flowchart;
The circuit diagram of Fig. 2 the utility model antenna selecting frequency circuit A, AM receiving circuit B;
The circuit diagram of Fig. 3 the utility model reset circuit C, MCU circuit E, MCU clock circuit F, key circuit G, display circuit H;
The circuit diagram of Fig. 4 the utility model digital decoding circuit D, voice drive circuit I, backlight drive circuit J, power circuit K.
Embodiment
Combine accompanying drawing at present, the utility model embodiment be detailed:
Like Fig. 1, shown in Figure 2; Decoder module during a kind of school of radio controlled timepiece; It is characterized in that: include antenna selecting frequency circuit A, AM receiving circuit B, reset circuit C, digital decoding circuit D, MCU circuit E, MCU clock circuit F, key circuit G, display circuit H, voice drive circuit I, backlight drive circuit J, power circuit K, wherein:
Antenna selecting frequency circuit A transmission information is given AM receiving circuit B, and AM receiving circuit B gives digital decoding circuit D with information transmission; Digital decoding circuit D is transferred to MCU circuit E after with information decoding; Reset circuit C is transferred to MCU circuit E with repositioning information; MCU clock circuit F gives MCU circuit E with the system clock information transmission; Key circuit G is transferred to MCU circuit E with key command; Power circuit K offers MCU circuit E with power supply; MCU circuit E is transferred to display circuit H, backlight drive circuit J, voice drive circuit I after with information processing; MCU circuit E sends instruction after with information processing and gives digital decoding circuit D, and digital decoding circuit D sends to AM receiving circuit B with instruction.
Antenna selecting frequency circuit A: the long-wave electromagnetic waves conversion of signals is become electric signal.
AM receiving circuit B: amplify receiving faint electric signal, shaping is demodulated to the square-wave signal of certain amplitude.
Reset circuit C: reliable reset signal is provided for MCU circuit E.
Digital decoding circuit D: simulating signal is decoded into dagital clock signal.
MCU circuit E: the various input information computed in software that receive, logic determines, processed outputs signal to each performance element again.
MCU clock circuit F: the system clock information of providing for MCU circuit E.
Key circuit G: be transferred to MCU circuit E to instruction through button.
Display circuit H: demonstrate digit time or pointer time.
Backlight drive circuit J: it is luminous to drive backlight.
Voice drive circuit I: drive piezo and sound.
Power circuit K: for each element circuit provides power supply.
Like Fig. 2, Fig. 3, shown in Figure 4, AM receiving circuit B of the utility model and digital decoding circuit D are not in dormant state when using, and reach energy-conservation purpose.When MCU circuit E receive user key-press instruction, MCU circuit E start immediately with digital decoding circuit D between communicate by letter, and see a command signal off and give digital decoding circuit D, digital decoding circuit D is activated; Digital decoding circuit D sends immediately and allows to receive instruction to AM receiving circuit B, and AM receiving circuit B is activated; Begin to receive electric wave signal.Antenna selecting frequency circuit A changes into faint ac signal with electromagnetic wave signal; Give AM receiving circuit B, AM receiving circuit B is through inner amplifying circuit, local oscillation circuit; Demodulator circuit is exported the square-wave signal that a succession of dutycycle do not wait at last and is given digital decoding circuit D; The difference of the dutycycle of the square-wave signal that digital decoding circuit D sees off according to AM receiving circuit B can be translated into numeral " 1 " or " 0 " respectively, initial code, end code, check code etc.; Combine specific coding agreement (BPC/JJY/WWVB/DCF/MSF) to translate concrete temporal information again, and be stored in digital decoding circuit D inside with binary mode; After decoding was accomplished, E sent interrupt request singal to the MCU circuit, and the prompting decoding is accomplished, and MCU circuit E that temporal information is read away; Digital decoding circuit D sends to AM receiving circuit B and stops to receive instruction simultaneously, makes AM receiving circuit B get back to dormant state again; After MCU circuit E received the interrupt request of digital decoding circuit D, response was at once interrupted; MCU circuit E reads temporal information through communication bus from the inside of digital decoding circuit D; After reading completion, MCU circuit E sends halt instruction to digital decoding circuit D, makes digital decoding circuit D get back to dormant state again; MCU circuit E calculates through in house software, logic determines, and time bias draws correct time of reception; MCU circuit E refreshes display circuit H according to the difference of present time with the time that receives; Display circuit H refreshes LCD demonstration or pointer demonstration through the information of MCU circuit E; Accomplished a complete electric wave receiving course like this.
In dormant state, MCU clock circuit F provides the stable clock signal to MCU circuit E, and MCU circuit E draws a second signal through frequency division, MCU circuit E according to second carry signal refresh display circuit H; No matter receiving electric wave state or dormant state, power circuit K is that other each element circuit provides stable power.
In each above-mentioned user mode, the user can open backlight drive circuit J through key circuit G.Its process is: MCU circuit E is given in key circuit G move instruction, and MCU circuit E sees signal again off and drives backlight drive circuit J according to logic determines.
In above-mentioned button operation process, MCU circuit E can be according to whether legal effective judgement of button, if effective button, MCU circuit E sees the key sound signal off and gives voice drive circuit I, and voice drive circuit I is converted into keypad tone to the key sound signal.
Claims (1)
1. decoder module during the school of a radio controlled timepiece; It is characterized in that: include antenna selecting frequency circuit (A), AM receiving circuit (B), reset circuit (C), digital decoding circuit (D), MCU circuit (E), MCU clock circuit (F), key circuit (G), display circuit (H), voice drive circuit (I), backlight drive circuit (J), power circuit (K), wherein:
Antenna selecting frequency circuit (A) transmission information is given AM receiving circuit (B), and AM receiving circuit (B) is given digital decoding circuit (D) with information transmission; Digital decoding circuit (D) is with being transferred to MCU circuit (E) behind the information decoding; Reset circuit (C) is transferred to MCU circuit (E) with repositioning information; MCU clock circuit (F) is given MCU circuit (E) with the system clock information transmission; Key circuit (G) is transferred to MCU circuit (E) with key command; Power circuit (K) offers MCU circuit (E) with power supply; MCU circuit (E) is with being transferred to display circuit (H), backlight drive circuit (J), voice drive circuit (I) after the information processing; MCU circuit (E) is given digital decoding circuit (D) with sending instruction after the information processing, and digital decoding circuit (D) sends to AM receiving circuit (B) with instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120250377 CN202267833U (en) | 2011-07-14 | 2011-07-14 | Timing decoding module of electric wave clock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120250377 CN202267833U (en) | 2011-07-14 | 2011-07-14 | Timing decoding module of electric wave clock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202267833U true CN202267833U (en) | 2012-06-06 |
Family
ID=46158619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120250377 Expired - Fee Related CN202267833U (en) | 2011-07-14 | 2011-07-14 | Timing decoding module of electric wave clock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202267833U (en) |
-
2011
- 2011-07-14 CN CN 201120250377 patent/CN202267833U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20180714 |