CN106773620A - A kind of electronic watch of adjusting sound volume - Google Patents
A kind of electronic watch of adjusting sound volume Download PDFInfo
- Publication number
- CN106773620A CN106773620A CN201611038596.XA CN201611038596A CN106773620A CN 106773620 A CN106773620 A CN 106773620A CN 201611038596 A CN201611038596 A CN 201611038596A CN 106773620 A CN106773620 A CN 106773620A
- Authority
- CN
- China
- Prior art keywords
- buzzer
- electronic watch
- power supply
- sound volume
- output
- 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.)
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Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G13/00—Producing acoustic time signals
- G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
- G04G13/025—Producing acoustic time signals at preselected times, e.g. alarm clocks acting only at one preselected time
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G11/00—Producing optical signals at preselected times
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G13/00—Producing acoustic time signals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Abstract
The invention discloses a kind of electronic watch of adjusting sound volume, the main control chip of the electronic watch of the adjusting sound volume is AT89C51 single-chip microcomputers, and the external interface of the AT89C51 single-chip microcomputers includes three parts：Importation, external crystal-controlled oscillation and output par, c, the external crystal-controlled oscillation is connected with the when watch circuit part inside single-chip microcomputer, the importation includes three groups of switch keys, the output par, c includes laser-emitting diode and buzzer, the buzzer is provided with volume adjustment device, and the volume adjustment device includes to be supplied to the power supply of driving power supply the power suppling part of buzzer；Can decide whether to provide driving power supply for buzzer, while transformation is carried out to driving power supply, to adjust the change splenium of buzzer volume；Be connected on buzzer, the ON/OFF of buzzer can be controlled according to the pulse signal with some cycles, so that the control unit that buzzer drives according to certain frequency.
Description
Technical field
The present invention relates to electronic information technical field, more particularly to a kind of electronic watch of adjusting sound volume.
Background technology
With developing rapidly for science and technology, due to developing rapidly for information technology, digital table is using digital circuit pair
When, minute, second, the time set of numerical monitor, due to the development and the extensive use of quartz oscillator of digital integrated electronic circuit,
So that the precision of digital table, considerably beyond old-fashioned table table, the digitlization of table table gives people production and living and brings great convenience,
And greatly extend the time reporting function of table table.Digital table has turned into the necessity in people's daily life, is widely used in
The places such as family, station, harbour, theater, office, the life for giving people, study, work bring great convenience.Not only such as
This, in the process of modernization, also be unable to do without the correlation function and principle of the electronic watch of adjusting sound volume, such as the control of manipulator
System, the automation of housework, timing automatic alarm, automatic ringing, time-program(me) are automatically controlled, fixed time broadcast, automatic rising are closed on time
Street lamp, time switch baking oven, break-make power-equipment, even various timings are electric to be enabled automatically, all these, is all with table
Table is digitized as basis.And be the core of control.Therefore, study digital table and expand its application, there is very existing
Real meaning.
The electronic watch of existing adjusting sound volume is critically important in Industry Control and daily life, and it can not only be used
In timing, remind and can be used for the control to machine, necessarily there is the ginseng of the electronic watch of adjusting sound volume during automation
With, therefore the application of the electronic watch of adjusting sound volume can be more and more extensive.But the electronic watch of existing adjusting sound volume is accurate
The low, power consumption of degree is high, unitary function development.
Therefore need to provide a kind of electronic watch of adjusting sound volume to avoid drawbacks described above.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of electronic watch of adjusting sound volume towards accurate, low
Power consumption, multi-functional development.
A kind of electronic watch of adjusting sound volume, the main control chip of the electronic watch of the adjusting sound volume is AT89C51 monolithics
Machine, the external interface of the AT89C51 single-chip microcomputers includes three parts：Importation, external crystal-controlled oscillation and output par, c, it is described outer
Portion's crystal oscillator is connected with the when watch circuit part inside single-chip microcomputer, and the importation includes three groups of switch keys, the output
Part includes laser-emitting diode and buzzer, and the buzzer is provided with volume adjustment device, and the volume adjustment device includes can
The power supply of driving power supply is supplied to the power suppling part of buzzer；Can decide whether to provide driving power supply for buzzer, while
Transformation is carried out to driving power supply, to adjust the change splenium of buzzer volume；Be connected on buzzer, can be according to certain week
The pulse signal of phase controls the ON/OFF of buzzer, so that the control unit that buzzer drives according to certain frequency.
Preferably, the electronic watch of the adjusting sound volume by the operation to button to the display of time, switch, adjust into
Row control, can also be configured to quarter-bell, if the time reaches set alarm time, quarter-bell will send " drop drop "
Sound；When the time alarm time is reached, 8 light emitting diodes can also send flickering light in addition.
Preferably, the drive circuit of the buzzer includes：Buzzer output control voltage generator, for generation and honeybee
The corresponding voltage of ring device output control data；For the transistor of buzzer output waveform control, wherein buzzer output wave
The control signal of shape is applied to grid；With for buzzer output control transistor, wherein the buzzer output control voltage
The output of generator and the output of the transistor for the control of buzzer output waveform are applied to grid
Technical scheme has the advantages that：
A kind of electronic watch of adjusting sound volume that the present invention is provided, there is timing, timing, noisy using AT89C51 chip microcontrollers
The electronic watch of the adjusting sound volume of bell function, and it is high precision, low in energy consumption, multiple functional, more satisfactory effect is reached, and
And circuit miniaturization is caused, the path influence exported to buzzer and the stability that buzzer output can be improved can be mitigated,
And do not rely on the digit of control data, it is possible to reduce addition special circuit and the more expense of consumption brought and time
Problem, and due to other circuit need not be added, thus whole circuit can be simplified.
Specific embodiment
In order to have a clear understanding of technical scheme, its detailed structure will be set forth in the description that follows.Obviously, originally
Simultaneously deficiency is limited to specific details appreciated by those skilled in the art for the specific execution of inventive embodiments.Preferred reality of the invention
Apply example to be described in detail as follows, except these for describing in detail implement exception, there can also be other embodiment.
A kind of electronic watch of adjusting sound volume of the present embodiment, hardware components mainly divide circuits below module：Display circuit is used
Six charactrons show hour respectively（Time）, point table（Month）And the second（Day）, keyboard portion is the keyboard matrix of 3x3 compositions；
Integral point notification portion is made up of buzzer and 8 light emitting diodes, and single-chip microcomputer uses AT89C51 single-chip microcomputers.
This is mainly designed to be realized with AT89C51 single-chip microcomputers as control core the various of the electronic watch of adjusting sound volume
Function, external interface therein has three parts, can be divided into importation, external crystal-controlled oscillation, also have output par, c.These three parts
Formed a whole with single-chip microcomputer；External crystal-controlled oscillation is associated with the when watch circuit part inside single-chip microcomputer, can not be used
Many care；Importation is mainly and is made up of three groups of switch keys, and output par, c has laser-emitting diode and a buzzer group
Into the drive circuit of the buzzer includes：Buzzer output control voltage generator, for producing and buzzer output control
The corresponding voltage of data；For the transistor of buzzer output waveform control, the wherein control signal of buzzer output waveform
It is applied to grid；With for buzzer output control transistor, wherein the output of the buzzer output control voltage generator
Output with the transistor controlled for buzzer output waveform is applied to grid, wherein can be by the behaviour to button
Make to be controlled the display of time, switching, adjustment, quarter-bell can also be configured, if the time reaches set making a noise
During the bell time, quarter-bell will send the sound of " drop drop "；When the time alarm time is reached, 8 light emitting diodes can also be sent out in addition
Go out flickering light.By the design of function above so as to realize the purpose to be reached of the invention.
The buzzer is provided with volume adjustment device, and the volume adjustment device includes to carry the power supply of driving power supply
Supply the power suppling part of buzzer；Can decide whether to provide driving power supply for buzzer, while transformation is carried out to driving power supply,
To adjust the change splenium of buzzer volume；Be connected on buzzer, can be controlled according to the pulse signal with some cycles
The ON/OFF of buzzer, so that the control unit that buzzer drives according to certain frequency.
When to electricity on single-chip microcomputer, due to having set the date and time for starting in a program, so display part
Divide and just directly display set content, this content is shown Hour Minute Second.Now can by the operation to keyboard come
Realize the timing to display portion and quarter-bell.The importation of the design is made up of three groups of buttons, can be divided into one, two, three groups of keys,
Timing, adjustment alarm time, adjustment date-time are controlled respectively.Each group of key is divided into three buttons again, and each button has difference again
Function, for timing button, if keeping button 1 to close, adjust button 2, then can with adjustment time point, adjust button 3,
When can then adjust；Button group two is adjustment alarm time, is divided into three buttons, keeps button 4 to close, and adjusts button 5, then may be used
With adjust alarm watch point, adjust button 6, then can adjust alarm watch when, if the time goes to set alarm time,
Toy trumpet will send the sound of " drop drop "；Button group three is the adjustment date, keeps button 7 to close, and can be showed date, and is adjusted
Button 8 can adjust day, and adjustment button 9 can adjust the moon.If the operation without button, light-emitting diode display display Hour Minute Second.
A kind of electronic watch of adjusting sound volume that the present invention is provided, there is timing, fixed using AT89C51 chip microcontrollers
When, the electronic watch of the adjusting sound volume of alarm, it is and high precision, low in energy consumption, multiple functional, reach more satisfactory effect
Really, circuit miniaturization, can mitigate the path influence exported to buzzer and the stability that can improve buzzer output, and
The digit of control data is not relied on.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention rather than its limitations, to the greatest extent
Pipe has been described in detail with reference to above-described embodiment to the present invention, and those of ordinary skill in the art still can be to this hair
Bright specific embodiment is modified or equivalent, these without departing from spirit and scope of the invention any modification or
Equivalent, is applying within pending claims.
Claims (3)
1. a kind of electronic watch of adjusting sound volume, it is characterised in that the main control chip of the electronic watch of the adjusting sound volume is
AT89C51 single-chip microcomputers, the external interface of the AT89C51 single-chip microcomputers includes three parts：Importation, external crystal-controlled oscillation and output
Part, the external crystal-controlled oscillation is connected with the when watch circuit part inside single-chip microcomputer, and the importation is pressed including three groups of switches
Key, the output par, c includes laser-emitting diode and buzzer, and the buzzer is provided with volume adjustment device, and the volume is adjusted
Regulating device includes to be supplied to the power supply of driving power supply the power suppling part of buzzer；Can decide whether to provide drive for buzzer
Dynamic power supply, while transformation is carried out to driving power supply, to adjust the change splenium of buzzer volume；Be connected on buzzer, can press
The ON/OFF of buzzer is controlled according to the pulse signal with some cycles, so that the control that buzzer drives according to certain frequency
Portion.
2. the electronic watch of adjusting sound volume according to claim 1, it is characterised in that the electronic watch of the adjusting sound volume leads to
Cross and the operation of button is controlled to the display of time, switching, adjustment, quarter-bell can be also configured, if the time reaches
During set alarm time, quarter-bell will send the sound of " drop drop "；In addition when time arrival alarm time 8 luminous two
Pole pipe can also send flickering light.
3. the electronic watch of adjusting sound volume according to claim 1, it is characterised in that the drive circuit bag of the buzzer
Include：Buzzer output control voltage generator, for producing the voltage corresponding with buzzer output control data；For buzzing
The transistor of device output waveform control, the control signal of wherein buzzer output waveform is applied to grid；It is defeated with for buzzer
Go out controlling transistor, wherein the output of the buzzer output control voltage generator and described for buzzer output waveform control
The output of the transistor of system is applied to grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038596.XA CN106773620A (en) | 2016-11-23 | 2016-11-23 | A kind of electronic watch of adjusting sound volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038596.XA CN106773620A (en) | 2016-11-23 | 2016-11-23 | A kind of electronic watch of adjusting sound volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106773620A true CN106773620A (en) | 2017-05-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611038596.XA Pending CN106773620A (en) | 2016-11-23 | 2016-11-23 | A kind of electronic watch of adjusting sound volume |
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| Country | Link |
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| CN (1) | CN106773620A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308312A (en) * | 2000-02-09 | 2001-08-15 | 松下电器产业株式会社 | Buzzer driving circuit |
| US20020012291A1 (en) * | 2000-07-26 | 2002-01-31 | Robinett Mark I. | Timing device with silent vibrating alarm |
| CN1684364A (en) * | 2004-04-12 | 2005-10-19 | 乐金电子(天津)电器有限公司 | Sound volume regulator for buzzer |
| CN202383995U (en) * | 2011-11-30 | 2012-08-15 | 兴化市华兴机电有限公司 | Alarm buzzer |
| CN204242443U (en) * | 2014-12-08 | 2015-04-01 | 济宁职业技术学院 | A kind of thermometer quarter-bell single chip computer teaching experience system |
| CN104581531A (en) * | 2014-12-22 | 2015-04-29 | 广东美的制冷设备有限公司 | Air conditioner and volume control device for buzzer in air conditioner |
| CN204904716U (en) * | 2015-07-30 | 2015-12-23 | 湖南工业大学 | Electron perpetual calendar based on singlechip |
-
2016
- 2016-11-23 CN CN201611038596.XA patent/CN106773620A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308312A (en) * | 2000-02-09 | 2001-08-15 | 松下电器产业株式会社 | Buzzer driving circuit |
| US20020012291A1 (en) * | 2000-07-26 | 2002-01-31 | Robinett Mark I. | Timing device with silent vibrating alarm |
| CN1684364A (en) * | 2004-04-12 | 2005-10-19 | 乐金电子(天津)电器有限公司 | Sound volume regulator for buzzer |
| CN202383995U (en) * | 2011-11-30 | 2012-08-15 | 兴化市华兴机电有限公司 | Alarm buzzer |
| CN204242443U (en) * | 2014-12-08 | 2015-04-01 | 济宁职业技术学院 | A kind of thermometer quarter-bell single chip computer teaching experience system |
| CN104581531A (en) * | 2014-12-22 | 2015-04-29 | 广东美的制冷设备有限公司 | Air conditioner and volume control device for buzzer in air conditioner |
| CN204904716U (en) * | 2015-07-30 | 2015-12-23 | 湖南工业大学 | Electron perpetual calendar based on singlechip |
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Application publication date: 20170531 |