CN204242575U - A kind of low-pressure direct streaming metronome - Google Patents
A kind of low-pressure direct streaming metronome Download PDFInfo
- Publication number
- CN204242575U CN204242575U CN201420730615.5U CN201420730615U CN204242575U CN 204242575 U CN204242575 U CN 204242575U CN 201420730615 U CN201420730615 U CN 201420730615U CN 204242575 U CN204242575 U CN 204242575U
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- China
- Prior art keywords
- module
- metronome
- hummer
- low
- charging inlet
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Abstract
The utility model discloses a kind of low-pressure direct streaming metronome, comprise: housing, 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, enclosure interior is equipped with hummer module, step-up discharge module, battery module, charging inlet module, hummer module, step-up discharge module, battery module, charging inlet module are connected successively, back side of shell has power switch, and 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, sends strike metronome from the vocal hole of low-pressure direct streaming metronome housing four side, when power switch is closed, use back side of shell charging inlet module to charging battery module.The utility model advantage is low-pressure direct streaming metronome, with charging modes to charging battery module energy storage, by step-up discharge module to hummer module for power supply, hummer module sends strike metronome, low-pressure direct streaming metronome volume is little, lightweight, space hold is little, possesses environmental protection portable safety and the feature used of repeatedly charging.
Description
Technical field
The utility model relates to a kind of low-pressure direct streaming 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, low-pressure direct streaming 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, help practitioner to be convenient for carrying use.
Summary of the invention
The purpose of this utility model is to provide a kind of low-pressure direct streaming metronome, reaches the effect sending metronome and can keep again working long hours.
The purpose of this utility model is achieved through the following technical solutions:
As a kind of technical scheme, a kind of low-pressure direct streaming metronome, comprise: housing, 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, enclosure interior is equipped with hummer module, step-up discharge module, battery module, charging inlet module, hummer module, step-up discharge module, battery module, charging inlet module are connected successively, back side of shell has power switch, and 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, sends strike metronome from the vocal hole of low-pressure direct streaming metronome housing four side, 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.
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 low-pressure direct streaming described in the utility model embodiment;
Fig. 2 is the metronomic electrical block diagram of a kind of low-pressure direct streaming 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.
Embodiment
The utility model is specifically introduced as follows below in conjunction with drawings and Examples:
Preferred as one, a kind of low-pressure direct streaming 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, 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 in the inside of housing 1, the visible charge port of back side of shell, enclosure interior charging inlet module 5, 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.
During the work of portable electronic 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.During powered-down switch 4, charging inlet module 5 and battery module 8 are connected, and 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 (5)
1. a low-pressure direct streaming metronome, it is characterized in that, comprise: housing, 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, enclosure interior is equipped with hummer module, step-up discharge module, battery module, charging inlet 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 low-pressure direct streaming metronome housing four side, when power switch is closed, use back side of shell charging inlet module to charging battery module.
2. according to a kind of low-pressure direct streaming metronome described in claim 1, it is characterized in that, above-mentioned hummer module uses 5V active buzzer.
3. according to a kind of low-pressure direct streaming metronome described in claim 1, it is characterized in that, above-mentioned battery module uses lithium ion battery.
4. a kind of low-pressure direct streaming metronome according to claim 1, is characterized in that, above-mentioned step-up discharge module uses HT7050 boost chip.
5. a kind of low-pressure direct streaming metronome according to claim 1, is characterized in that, above-mentioned charging inlet module uses USB general-purpose interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730615.5U CN204242575U (en) | 2014-11-30 | 2014-11-30 | A kind of low-pressure direct streaming metronome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730615.5U CN204242575U (en) | 2014-11-30 | 2014-11-30 | A kind of low-pressure direct streaming metronome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204242575U true CN204242575U (en) | 2015-04-01 |
Family
ID=52772039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420730615.5U Expired - Fee Related CN204242575U (en) | 2014-11-30 | 2014-11-30 | A kind of low-pressure direct streaming metronome |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204242575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719629A (en) * | 2014-11-30 | 2016-06-29 | 南京化工职业技术学院 | Low-voltage direct current metronome |
-
2014
- 2014-11-30 CN CN201420730615.5U patent/CN204242575U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719629A (en) * | 2014-11-30 | 2016-06-29 | 南京化工职业技术学院 | Low-voltage direct current 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 |