CN203055320U - Household multifunctional electronic calendar - Google Patents
Household multifunctional electronic calendar Download PDFInfo
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- CN203055320U CN203055320U CN 201320034413 CN201320034413U CN203055320U CN 203055320 U CN203055320 U CN 203055320U CN 201320034413 CN201320034413 CN 201320034413 CN 201320034413 U CN201320034413 U CN 201320034413U CN 203055320 U CN203055320 U CN 203055320U
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Abstract
The utility model discloses a household multifunctional electronic calendar. The household multifunctional electronic calendar comprises a one-chip microcomputer, an LCD liquid crystal display screen, a clock chip, a temperature sensor and a button keyboard, wherein the LCD liquid crystal display screen, the clock chip, the temperature sensor and the button keyboard are connected with the one-chip microcomputer, a model of the one-chip microcomputer is AT89S52, a model of the LCD liquid crystal display screen is 1602, a module of the clock chip is DS1302, and a model of the temperature sensor is DS18B20. The household multifunctional electronic calendar has common functions of a daily electronic calendar and further has advantages of easy and convenient control, rich display information, small volume, attractive appearance and good flexibility.
Description
Technical field
The utility model relates to a kind of electronic calendar, particularly relates to a kind of multifunctional domestic electronic calendar.
Background technology
Existing electronic calendar, its function not only is confined to the function of general timing product, also has innovative functions such as displays temperature, quarter-bell, warning.Calendar no longer only has been confined to occur with the form of paper printed matter at present, but occur with the form of computer software or electronic product, compare with the calendar of traditional books form, not only convenient and swift, simple, intuitive, small and exquisite attractive in appearance, also have very strong functions, so electronic calendar has obtained application more and more widely, and adopt electronic clock to become a kind of trend and fashion as time showing at electronic calendar.
Electronic clock in the market is of a great variety, but great majority are all only at time showing, and function ratio is more single, can not satisfy people's daily life demand.The electronic calendar of main flow adopts the AT89C51 chip as hardware core usually at present, and its internal storage mainly adopts Flash ROM, has 4KB ROM storage space, and storage space is less.Though this single-chip microcomputer arithmetical operation function is strong, software programming is flexible, degree of freedom is big, but owing to do not possess ISP online programming technology, when when circuit is debugged, when improving owing to the continuous modification of program needs or to program, it is burned just need to utilize special device that program is carried out, and therefore just needs plug chip repeatedly, causes the damage of chip easily.
Summary of the invention
For addressing the above problem, the utility model discloses a kind of multifunctional domestic electronic calendar, advantage such as it is convenient to have control, and rich display information is small and exquisite attractive in appearance, and flexibility of operation is big.
The disclosed a kind of multifunctional domestic electronic calendar of the utility model, comprise single-chip microcomputer, LCD LCDs, clock chip, temperature sensor and key board, described LCD LCDs, clock chip, temperature sensor and key board all are connected with single-chip microcomputer.The utility model is based on electronic calendar, make calendar except basic functions such as original demonstration Time of Day, also have functions such as quarter-bell, warning, temperature demonstration, and advantages such as circuit is simple, clear display is attractive in appearance, feature richness, meet the needs of Modern Family.
A kind of improvement of the disclosed a kind of multifunctional domestic electronic calendar of the utility model, the model of described single-chip microcomputer are AT89S52.The single-chip microcomputer of AT89S52 model is adopted in this improvement, all functions of 89C51 that it is inner backward compatible, and the read-only ROM in its inside adopts to wipe Flash ROM soon, and internal processes memory capacity is 8KB, can work under the voltage of 3V, and power consumption is little; And have the function of online programming, be easy to writing and downloading of program.When circuit is debugged, during owing to modification of program, do not need the plug chip, so can not cause damage to chip.
A kind of improvement of the disclosed a kind of multifunctional domestic electronic calendar of the utility model, the model of described LCD LCDs are 1602.The LCD LCDs of 1602 models is adopted in this improvement, and Presentation Function is powerful, can show mass data information, shows variously, clear attractive in appearance, has satisfied the demand that shows more data message.
A kind of improvement of the disclosed a kind of multifunctional domestic electronic calendar of the utility model, the model of described clock chip are DS1302.The clock chip of DS1302 model is adopted in this improvement, and is cheap, can be automatically to second, branch, the time, counting in year of compensating of day, week, the moon, year and leap year, the precision height, easy to operate, need read the corresponding data temporary register of chip internal to get final product.
Another of the disclosed a kind of multifunctional domestic electronic calendar of the utility model improved, and the model of described temperature sensor is DS18B20.The temperature sensor of the DS18B20 model that this improvement is adopted, only need a data line to carry out data transmission, have powerful communication protocol, unibus is easy to be connected with single-chip microcomputer, have that easy operating uses, antijamming capability is strong, be suitable for to the scene temperature of environment measure, advantages such as the convenient debugging of software and hardware and design, and do not need the A/D conversion module, reduced hardware cost, simplify circuit system, had advantages such as measuring accuracy height, measurement range be wide simultaneously.
The disclosed a kind of multifunctional domestic electronic calendar of the utility model, single-chip microcomputer has the online programming function, and low-power consumption can be at the voltage power supply of 3V; Clock chip integrated level height, power are little, inside has register, leap year compensation automatically, and the high and low power consumption of precision has the automatic hold function of power down simultaneously.The utility model not only has the common function of daily electronic calendar, also has characteristics such as control is convenient, simple, the demonstration quantity of information is abundant, small and exquisite attractive in appearance, and dirigibility is good.
Description of drawings
Fig. 1, structured flowchart of the present utility model;
Fig. 2, principle of work synoptic diagram of the present utility model;
The circuit diagram of Fig. 3, the disclosed clock chip of the utility model;
Fig. 4, the disclosed temperature of the utility model are adopted the circuit diagram of sensor;
The circuit diagram of Fig. 5, the disclosed LCD LCDs of the utility model;
The circuit diagram of Fig. 6, the disclosed key board of the utility model;
Fig. 7, workflow synoptic diagram of the present utility model;
The process flow diagram of Fig. 8, calculating solar calendar program of the present utility model;
The process flow diagram of Fig. 9, calculating lunar calendar program of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand following embodiment and only be used for explanation the utility model and be not used in restriction scope of the present utility model.Need to prove, word " preceding ", " back ", " left side ", " right side ", the "up" and "down" used are described below refer to the direction in the accompanying drawing, word " interior " and " outward " refer to respectively towards or away from the direction of specific features geometric center.
Shown in Fig. 1～9,
The disclosed a kind of multifunctional domestic electronic calendar of the utility model, comprise single-chip microcomputer, LCD LCDs, clock chip, temperature sensor and key board, described LCD LCDs, clock chip, temperature sensor and key board all are connected with single-chip microcomputer.The utility model is based on electronic calendar, make calendar except basic functions such as original demonstration Time of Day, also have functions such as quarter-bell, warning, temperature demonstration, and advantages such as circuit is simple, clear display is attractive in appearance, feature richness, meet the needs of Modern Family.
As a kind of preferred, the model of described single-chip microcomputer is AT89S52.The utility model adopts the single-chip microcomputer of AT89S52 model, all functions of 89C51 that it is inner backward compatible, and the read-only ROM in its inside adopts to wipe Flash ROM soon, and internal processes memory capacity is 8KB, can work under the voltage of 3V, and power consumption is little; And have the function of online programming, be easy to writing and downloading of program.When circuit is debugged, during owing to modification of program, do not need the plug chip, so can not cause damage to chip.
As a kind of preferred, the model of described LCD LCDs is 1602.The utility model adopts the LCD LCDs of 1602 models, and Presentation Function is powerful, can show mass data information, shows variously, clear attractive in appearance, has satisfied the demand that shows more data message.
As a kind of preferred, the model of described clock chip is DS1302.The utility model adopts the clock chip of DS1302 model, cheap, can be automatically to second, branch, the time, day, week, the moon, year and leap year compensation year count the precision height, easy to operate, only need read the corresponding data temporary register of chip internal and get final product.
As a kind of preferred, the model of described temperature sensor is DS18B20.The temperature sensor of the DS18B20 model that the utility model adopts, only need a data line to carry out data transmission, have powerful communication protocol, unibus is easy to be connected with single-chip microcomputer, have that easy operating uses, antijamming capability is strong, be suitable for to the scene temperature of environment measure, advantages such as the convenient debugging of software and hardware and design, and do not need the A/D conversion module, reduced hardware cost, simplify circuit system, had advantages such as measuring accuracy height, measurement range be wide simultaneously.
The disclosed a kind of multifunctional domestic electronic calendar of the utility model, single-chip microcomputer has the online programming function, and low-power consumption can be at the voltage power supply of 3V; Clock chip integrated level height, power are little, inside has register, leap year compensation automatically, and the high and low power consumption of precision has the automatic hold function of power down simultaneously.The utility model not only has the common function of daily electronic calendar, also has characteristics such as control is convenient, simple, the demonstration quantity of information is abundant, small and exquisite attractive in appearance, and dirigibility is good.
Principle of work
As shown in Figure 3, clock chip DS1302 has primary power/back-up source dual power supply pin, and wherein Vcc1 provides low power supply in single supply and battery powered system, and lower powered electromagnetism backup is provided, be back-up source, Vcc2 provides primary power in dual battery system.Clock chip DS1302 is by Vcc1 or the Vcc2 the greater power supply among both.As Vcc2 during greater than Vcc1+0.2V, Vcc2 gives clock chip DS1302 power supply.As Vcc2 during less than Vcc1, clock chip DS1302 is powered by Vcc1.The external 32.768KHz crystal oscillator of oscillation source X1 and oscillation source X2.Pin RST input signal during the reading and writing data, is necessary for high level.This pin has the steering logic of two function: the first, RST control beginning byte-accessed shift registers; Secondly, RST provides the method that finishes byte or multibyte data transmission.So have only when RST is high level, all data just can be transmitted carries out initialization, allows this chip is operated.Otherwise in case RST is low level in transport process, will stop the transmission of this secondary data automatically, the I/O pin becomes high resistant at once.I/O is the bi-directional data input line of serial.SCLK is serial clock, is used for input and the output of input, control data.
As shown in Figure 4, the digital temperature sensor DS18B20 that temperature sensor adopts has the measuring accuracy height, circuit connects characteristics such as simple.This sensor only needs a data line to carry out data transmission, the P3.3 of single-chip microcomputer is connected with the I/O mouth of temperature sensor DS18B20, and a pull-up resistor is set, and guarantees that Vcc connects power supply, GND ground connection.
As shown in Figure 5, the RS of LCD LCDs 1602 end links to each other with the P3.7 of single-chip microcomputer, and the RW end links to each other with P3.6, and the E end links to each other with P3.5; D0～D7 links to each other with the P1.0～P1.7 of single-chip microcomputer respectively; Power unit links to each other according to request for utilization.
Key board comprises button S1～S6, and it is 1 described that button S1～S6 key name and function see Table.As shown in Figure 6, button S1 links to each other with P2.7, and button S2 links to each other with P2.6, and button S3 links to each other with P2.5, and button S4 links to each other with P2.4, and button S5 links to each other with P2.3, and button S6 links to each other with P2.2.Key board adopts nonencoded keyboard, and the Push And Release as starting keyswitch with the program software cooperating, has advantages such as less by bond number, that hardware is simple.
Table 1 key board menu
The master routine workflow diagram of system calculates the solar calendar program flow diagram as shown in Figure 7 as shown in Figure 6, calculates the lunar calendar program flow diagram shown in Fig. 8.The C Programming with Pascal Language that the utility model adopts the KEIL compiler to support; the whole software system adopts the Programming Methodology of scale; be divided into and be time set, quarter-bell setting and system for detecting temperature; master routine is by judging the input condition of key board; call different subroutines, it also is to finish under the cooperation of key board that the function of subroutine realizes.Realized SCM Based electronic calendar, for year, month, day, week, the time, minute, second all has and shows and the button calibration function to have button design temperature warning function simultaneously, to surpassing the current environmental temperature Realtime Alerts of having set.
The disclosed a kind of multifunctional domestic electronic calendar of the utility model, single-chip microcomputer has the online programming function, and low-power consumption can be at the voltage power supply of 3V; Clock chip integrated level height, power are little, inside has register, leap year compensation automatically, and the high and low power consumption of precision has the automatic hold function of power down simultaneously.The utility model not only has the common function of daily electronic calendar, also has characteristics such as control is convenient, simple, the demonstration quantity of information is abundant, small and exquisite attractive in appearance, and dirigibility is good.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme of being made up of above technical characterictic combination in any.The above is embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection domain of the present utility model.
Claims (5)
1. multifunctional domestic electronic calendar, it is characterized in that: it comprises single-chip microcomputer, LCD LCDs, clock chip, temperature sensor and key board, and described LCD LCDs, clock chip, temperature sensor and key board all are connected with single-chip microcomputer.
2. a kind of multifunctional domestic electronic calendar according to claim 1, it is characterized in that: the model of described single-chip microcomputer is AT89S52.
3. a kind of multifunctional domestic electronic calendar according to claim 1, it is characterized in that: the model of described LCD LCDs is 1602.
4. a kind of multifunctional domestic electronic calendar according to claim 1, it is characterized in that: the model of described clock chip is DS1302.
5. a kind of multifunctional domestic electronic calendar according to claim 1, it is characterized in that: the model of described temperature sensor is DS18B20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320034413 CN203055320U (en) | 2013-01-23 | 2013-01-23 | Household multifunctional electronic calendar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320034413 CN203055320U (en) | 2013-01-23 | 2013-01-23 | Household multifunctional electronic calendar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203055320U true CN203055320U (en) | 2013-07-10 |
Family
ID=48738250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320034413 Expired - Fee Related CN203055320U (en) | 2013-01-23 | 2013-01-23 | Household multifunctional electronic calendar |
Country Status (1)
| Country | Link |
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| CN (1) | CN203055320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361803A (en) * | 2014-12-08 | 2015-02-18 | 济宁职业技术学院 | Singlechip microcomputer teaching training system based on perpetual calendar hygrothermograph |
-
2013
- 2013-01-23 CN CN 201320034413 patent/CN203055320U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361803A (en) * | 2014-12-08 | 2015-02-18 | 济宁职业技术学院 | Singlechip microcomputer teaching training system based on perpetual calendar hygrothermograph |
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| 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 |
Granted publication date: 20130710 Termination date: 20150123 |
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| EXPY | Termination of patent right or utility model |