CN204242574U - A kind of electronic digital display type metronome - Google Patents
A kind of electronic digital display type metronome Download PDFInfo
- Publication number
- CN204242574U CN204242574U CN201420730614.0U CN201420730614U CN204242574U CN 204242574 U CN204242574 U CN 204242574U CN 201420730614 U CN201420730614 U CN 201420730614U CN 204242574 U CN204242574 U CN 204242574U
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- China
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- module
- hummer
- metronome
- charging inlet
- electronic digital
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Abstract
The utility model discloses a kind of electronic digital display type metronome, comprise: housing, display panel module, one-chip computer module, hummer module, step-up discharge module, battery module, charging inlet module, described housing four side has hummer vocal hole, case top is furnished with portable hand handle, display panel module is installed in housing front, enclosure interior is equipped with one-chip computer module, hummer module, step-up discharge module, battery module, charging inlet module, one-chip computer module, hummer module, step-up discharge module, battery module, charging inlet module is connected successively, back side of shell has power switch, charging inlet is at back side of shell.After switching on power, battery module passes through step-up discharge module to hummer module for power supply, hummer sends strike metronome, strike metronome is sent from the vocal hole of electronic digital display type metronome housing four side, one-chip computer module exports display panel module to hitting rhythm, when power switch is closed, use back side of shell charging inlet module to charging battery module.
Description
Technical field
The utility model relates to a kind of electronic digital display type metronome, belongs to vocal music and musical instrument exercise utensil technical field.
Background technology
Conventional acoustic happy musical instrument exercise metronome, use mechanical clockwork spring as pendulum power source, practitioner needs interval to twist clockwork spring to keep pendulum strike work, pendulum Impulse time continuation is limited, mechanical pendulum hammer metronome comparatively heaviness carries inconvenience, the volume that takes up room is large, electronic digital display type metronome uses the charging of USB general-purpose interface, environmental protection and energy saving are reusable, by lithium battery energy storage battery long-life feature, hummer can be kept to work long hours, continue to send strike metronome, show beat by display screen, facilitate practitioner to use.
Summary of the invention
The purpose of this utility model is to provide a kind of electronic digital display type metronome, reaches the effect sending metronome and can show beat again.
The purpose of this utility model is achieved through the following technical solutions:
As a kind of technical scheme, a kind of electronic digital display type metronome, comprise: housing, display panel module, one-chip computer module, hummer module, step-up discharge module, battery module, charging inlet module, described housing four side has hummer vocal hole, case top is furnished with portable hand handle, display panel module is installed in housing front, enclosure interior is equipped with one-chip computer module, hummer module, step-up discharge module, battery module, charging inlet module, one-chip computer module, hummer module, step-up discharge module, battery module, charging inlet module is connected successively, back side of shell has power switch, charging inlet is at back side of shell.After switching on power, battery module passes through step-up discharge module to hummer module for power supply, hummer sends strike metronome, strike metronome is sent from the vocal hole of electronic digital display type metronome housing four side, one-chip computer module exports display panel module to hitting rhythm, when power switch is closed, use back side of shell charging inlet module to charging battery module.
As a kind of technical scheme, hummer module uses 5V active buzzer.
As a kind of technical scheme, battery module uses lithium ion battery.
As a kind of technical scheme, step-up discharge module uses HT7050 boost chip.
As a kind of technical scheme, charging inlet module uses USB general-purpose interface.
As a kind of technical scheme, one-chip computer module uses 89C52 single-chip microcomputer.
Accompanying drawing explanation
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the metronomic structural representation of a kind of electronic digital display type described in the utility model embodiment;
Fig. 2 is the metronomic electrical block diagram of a kind of electronic digital display type described in the utility model embodiment;
Accompanying drawing 1 and accompanying drawing 2 symbol description: 1, housing, 2, handle, 3, vocal hole, 4, power switch, 5, charging inlet module, 6, hummer module, 7, step-up discharge module, 8, battery module, 9, one-chip computer module, 10, display panel module.
Embodiment
The utility model is specifically introduced as follows below in conjunction with drawings and Examples:
Preferred as one, a kind of electronic digital display type metronome, comprise: housing 1, handle 2, vocal hole 3, power switch 4, charging inlet module 5, hummer module 6, step-up discharge module 7, battery module 8, one-chip computer module 9, display panel module 10, housing 1 entirety is made up of black plastic, handle 2 is arranged on the top of housing 1, housing four side is vocal hole 3, power switch 4 is at the back side of housing 1, charging inlet module 5 is at the back side of housing 1, enclosure interior display panel module 10, one-chip computer module 9, hummer module 6, step-up discharge module 7, battery module 8 successively electricity is connected, charging inlet module 5 is connected with power switch 4 electricity, power switch 4 is connected with battery module 8 electricity.
As a kind of embodiment, above-mentioned hummer module uses 5V active buzzer.
As a kind of embodiment, above-mentioned battery module uses lithium ion battery.
As a kind of embodiment, above-mentioned step-up discharge module uses HT7050 boost chip.
As a kind of embodiment, above-mentioned charging inlet module uses USB general-purpose interface.
As a kind of embodiment, above-mentioned one-chip computer module uses 89C52 single-chip microcomputer.
During the work of electronic digital display type metronome, need 4 be turned on the power switch, battery module 8 is connected by power switch 4 and step-up discharge module 7, the HT7050 boost chip that step-up discharge module 7 uses exports 5 voltaisms and is depressed into hummer module 6,5V active buzzer in hummer module 6, sends strike metronome.Step-up discharge module 7 exports one-chip computer module 9 to simultaneously, beat is presented on display panel module 10 by one-chip computer module 9, during powered-down switch 4, charging inlet module 5 and battery module 8 are connected, charging inlet module 5 uses USB general-purpose interface that low-voltage DC is delivered to battery module 8, and carries out charging energy-storing to the lithium ion battery of battery module 8.
Claims (6)
1. an electronic digital display type metronome, is characterized in that, comprising: housing, display panel module, one-chip computer module, hummer module, step-up discharge module, battery module, charging inlet module, described housing four side has hummer vocal hole, and case top is furnished with portable hand handle, and display panel module is installed in housing front, and enclosure interior is equipped with one-chip computer module, hummer module, step-up discharge module, battery module, charging inlet module, one-chip computer module, hummer module, step-up discharge module, battery module, charging inlet module is connected successively, back side of shell has power switch, charging inlet is at back side of shell, after switching on power, battery module is by step-up discharge module to hummer module for power supply, and hummer sends strike metronome, strike metronome is sent from the vocal hole of electronic digital display type metronome housing four side, one-chip computer module exports display panel module to hitting rhythm, when power switch is closed, uses back side of shell charging inlet module to charging battery module.
2. according to a kind of electronic digital display type metronome described in claim 1, it is characterized in that, above-mentioned hummer module uses 5V active buzzer.
3. according to a kind of electronic digital display type metronome described in claim 1, it is characterized in that, above-mentioned battery module uses lithium ion battery.
4. a kind of electronic digital display type metronome according to claim 1, is characterized in that, above-mentioned step-up discharge module uses HT7050 boost chip.
5. a kind of electronic digital display type metronome according to claim 1, is characterized in that, above-mentioned charging inlet module uses USB general-purpose interface.
6. a kind of electronic digital display type metronome according to claim 1, is characterized in that, above-mentioned one-chip computer module uses 89C52 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730614.0U CN204242574U (en) | 2014-11-30 | 2014-11-30 | A kind of electronic digital display type metronome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730614.0U CN204242574U (en) | 2014-11-30 | 2014-11-30 | A kind of electronic digital display type metronome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204242574U true CN204242574U (en) | 2015-04-01 |
Family
ID=52772038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420730614.0U Expired - Fee Related CN204242574U (en) | 2014-11-30 | 2014-11-30 | A kind of electronic digital display type metronome |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204242574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719631A (en) * | 2014-11-30 | 2016-06-29 | 南京化工职业技术学院 | Electronic digital display metronome |
-
2014
- 2014-11-30 CN CN201420730614.0U patent/CN204242574U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719631A (en) * | 2014-11-30 | 2016-06-29 | 南京化工职业技术学院 | Electronic digital display metronome |
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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 |
Granted publication date: 20150401 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |