CN204242574U - An electronic digital display metronome - Google Patents

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

An electronic digital display metronome

technical field

The utility model relates to an electronic digital display metronome, which belongs to the technical field of vocal music and musical instrument practice equipment.

Background technique

A metronome for ordinary vocal music and musical instrument practice uses a mechanical spring as the power source of the pendulum. Practitioners need to twist the spring at intervals to keep the pendulum striking. The duration of pendulum striking is limited, and the mechanical pendulum-type metronome is relatively bulky. It is inconvenient to carry and takes up a lot of space. The electronic digital display metronome is charged with a USB universal interface, which is environmentally friendly and energy-saving, and can be reused. With the long-life characteristics of lithium battery energy storage, it can keep the buzzer working for a long time and continuously emit beat sounds. The beat is displayed on the display screen, which is convenient for practitioners to use.

Contents of the invention

The purpose of the utility model is to provide an electronic digital display metronome, which achieves the effect of emitting beat sound and can display the beat.

The purpose of this utility model is to realize through the following technical solutions:

As a technical solution, an electronic digital display metronome includes: a housing, a display screen module, a single-chip microcomputer module, a buzzer module, a boost discharge module, a battery module, and a charging interface module. There is a buzzer sound hole, the top of the shell is equipped with a portable handle, the front of the shell is equipped with a display module, and the inside of the shell is equipped with a single-chip microcomputer module, a buzzer module, a boost discharge module, a battery module, and a charging interface module. The single-chip microcomputer module, the buzzer module, the step-up discharge module, the battery module, and the charging interface module are connected in sequence. There is a power switch on the back of the casing, and the charging interface is on the back of the casing. After the power is turned on, the battery module supplies power to the buzzer module through the boost discharge module, and the buzzer emits a beating sound. The rhythm is output to the display module. When the power switch is turned off, use the charging interface module on the back of the housing to charge the battery module.

As a technical solution, the buzzer module uses a 5V active buzzer.

As a technical solution, the battery module uses lithium-ion batteries.

As a technical solution, the boost discharge module uses the HT7050 boost chip.

As a technical solution, the charging interface module uses a USB universal interface.

As a technical solution, the single-chip microcomputer module uses 89C52 single-chip microcomputer.

Description of drawings

Below according to accompanying drawing, the utility model is described in further detail.

Fig. 1 is the structural representation of a kind of electronic digital display type metronome described in the utility model embodiment;

Fig. 2 is the schematic diagram of the circuit structure of a kind of electronic digital display type metronome described in the utility model embodiment;

Description of symbols in attached drawings 1 and 2: 1. Shell, 2. Portable handle, 3. Sound hole, 4. Power switch, 5. Charging interface module, 6. Buzzer module, 7. Boost discharge module, 8. Battery module, 9. Single-chip microcomputer module, 10. Display module.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is specifically introduced as follows:

As a preference, an electronic digital display metronome includes: housing 1, portable handle 2, sound hole 3, power switch 4, charging interface module 5, buzzer module 6, boost discharge module 7, battery Module 8, MCU module 9, display module 10, the housing 1 is made of black plastic as a whole, the portable handle 2 is installed on the top of the housing 1, the four sides of the housing are sound holes 3, and the power switch 4 is on the housing 1 The charging interface module 5 is on the back side of the casing 1, and the display screen module 10, the single-chip microcomputer module 9, the buzzer module 6, the step-up discharge module 7, and the battery module 8 are electrically connected in sequence in the casing, and the charging interface module 5 and The power switch 4 is electrically connected, and the power switch 4 is electrically connected to the battery module 8 .

As an implementation, the above-mentioned buzzer module uses a 5V active buzzer.

As an embodiment, the above-mentioned battery module uses a lithium-ion battery.

As an implementation, the above boost discharge module uses the HT7050 boost chip.

As an implementation, the above-mentioned charging interface module uses a USB universal interface.

As an embodiment, the above-mentioned single-chip microcomputer module uses 89C52 single-chip microcomputer.

When the electronic digital display metronome is working, the power switch 4 needs to be turned on, the battery module 8 is connected to the boost discharge module 7 through the power switch 4, and the HT7050 boost chip used in the boost discharge module 7 outputs 5 volts to the buzzer Module 6, Buzzer The 5V active buzzer on Module 6 makes a beating sound. The boost discharge module 7 outputs to the single-chip microcomputer module 9 at the same time, and the single-chip microcomputer module 9 displays the beat on the display screen module 10. When the power switch 4 is turned off, the charging interface module 5 is connected to the battery module 8, and the charging interface module 5 uses a USB universal interface. The low-voltage direct current is sent to the battery module 8, and the lithium-ion battery of the battery module 8 is charged and stored.

Claims (6)

1. An electronic digital display metronome, characterized in that it comprises: a housing, a display screen module, a single-chip microcomputer module, a buzzer module, a boost discharge module, a battery module, a charging interface module, the four sides of the housing There is a buzzer sound hole, the top of the shell is equipped with a portable handle, the front of the shell is equipped with a display module, and the inside of the shell is equipped with a single-chip microcomputer module, a buzzer module, a boost discharge module, a battery module, and a charging interface module. The single-chip microcomputer module, buzzer module, boost discharge module, battery module, and charging interface module are connected in sequence. There is a power switch on the back of the shell, and the charging interface is on the back of the shell. The buzzer module supplies power, and the buzzer emits a beating sound, which is emitted from the sound holes on the four sides of the housing of the electronic digital display metronome. The single-chip microcomputer module outputs the beating rhythm to the display module. When the power switch is turned off, the shell The charging interface module on the back of the body charges the battery module. 2. An electronic digital display metronome according to claim 1, characterized in that the buzzer module uses a 5V active buzzer. 3. An electronic digital display metronome according to claim 1, characterized in that the above-mentioned battery module uses a lithium-ion battery. 4. An electronic digital display metronome according to claim 1, characterized in that, the boost discharge module uses a HT7050 boost chip. 5. An electronic digital display metronome according to claim 1, characterized in that the charging interface module uses a USB universal interface. 6. A kind of electronic digital display metronome according to claim 1, characterized in that, the single-chip microcomputer module uses 89C52 single-chip microcomputer.