CN215300897U

CN215300897U - Seven-stage waterproof sound equipment standby circuit

Info

Publication number: CN215300897U
Application number: CN202121237439.8U
Authority: CN
Inventors: 顾先兵
Original assignee: Zhejiang Tenuoqi Electronics Co ltd
Current assignee: Zhejiang Tenuoqi Electronics Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-24
Anticipated expiration: 2031-06-03

Abstract

The utility model relates to a stereo set power field discloses a seven waterproof stereo set standby circuit, including quick-witted case and the core circuit of setting at quick-witted incasement portion, the core circuit includes controller, boost module, volume detection module all link to each other with the controller, boost module is including chip, input interface circuit, the output interface circuit that steps up, controller, input interface circuit, output interface circuit all link to each other with the chip that steps up. The utility model has the advantages of simple circuit, low energy consumption, electric energy saving, high safety and the like.

Description

Seven-stage waterproof sound equipment standby circuit

Technical Field

The utility model relates to a stereo set power field, concretely relates to seven waterproof stereo set standby circuits.

Background

In China, with the popularization of household appliances and audio-visual products, the wide application of office automation and the continuous development of networking, the products bring great convenience to our lives and also cause a great deal of energy waste, and more products have standby functions for saving energy and reducing loss.

At present, the sound technology is rapidly developed, the requirements of people on sound products are higher and higher, and the energy-saving performance of the sound products needs to be improved in order to better meet the increasingly rapidly-growing diversified requirements of people.

Disclosure of Invention

An object of the utility model is to provide a seven waterproof stereo set standby circuits.

In order to realize the purpose of the utility model, the utility model adopts the technical proposal that: the utility model provides a seven waterproof stereo sets standby circuit, includes quick-witted case and the core circuit of setting in quick-witted incasement portion, the core circuit includes controller, boost module, volume detection module all link to each other with the controller, boost module is including chip, input interface circuit, the output interface circuit that steps up, controller, input interface circuit, output interface circuit all link to each other with the chip that steps up.

Preferably, the input interface circuit includes a first interface, a fuse, a first diode, a first resistor, a first capacitor, and a first inductor;

one pin of the first interface is connected with one pin of the fuse, two pins of the fuse are connected with the anode of a second diode, the cathode of the second diode is respectively connected with two pins of the boost chip, one pin of a first inductor and one pin of a first capacitor, and two pins of the first inductor are respectively connected with one pin, sixteen pins and fifteen pins of the boost chip;

two pins of the first interface are connected with one pin of the first resistor, and the two pins of the first resistor and the two pins of the first capacitor are both grounded.

Preferably, the output interface circuit includes a second interface, a first diode, a fifth capacitor, a seventh resistor, an eighth resistor, and a ninth resistor;

one pin of the second interface is respectively connected with one pin of a ninth resistor, the anode of a fifth capacitor and the cathode of a first diode, the anode of the first diode is connected with fifteen pins of the boost chip, the two pins of the ninth resistor are connected with one pin of an eighth resistor, and the two pins of the eighth resistor are respectively connected with nine pins of the boost chip and one pin of a seventh resistor;

and the negative electrode of the fifth capacitor, the two pins of the seventh resistor and the two pins of the second interface are all grounded.

Preferably, the boost module further includes a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a second capacitor, a third capacitor, and a fourth capacitor;

the three pins of the boosting chip are connected with one pin of a second resistor, and the two pins of the second resistor are connected with the controller;

the four pins of the boosting chip are connected with one pin of the second capacitor, the seven pins of the boosting chip are respectively connected with one pin of a fourth resistor and one pin of a third capacitor, the two pins of the fourth resistor are connected with one pin of a third resistor, and the two pins of the third resistor are connected with one pin of the fourth capacitor;

the eight pin of the boosting chip is connected with one pin of a fifth resistor, and the second pin of the fifth resistor is connected with one pin of a sixth resistor;

and the two pins of the second capacitor, the third capacitor, the fourth capacitor and the sixth resistor are all grounded.

Preferably, the boost chip is a TPS55330 power supply chip.

Preferably, the controller is an STC12 single-chip microcomputer.

Preferably, the volume detection module is a sound sensor.

The beneficial effects of the utility model are concentrated and are embodied in:

1. the standby circuit of the utility model mainly comprises three parts, namely a controller, a boosting module and a volume detection module, and the circuit is simple; when the volume detection module detects that the volume of the sound equipment is too low, the controller controls the boosting module to be in a disconnected state, namely the boosting module does not work, which is equivalent to disconnecting other circuits of the sound equipment from a power supply, so that electric energy is saved;

2. the boost module in the standby circuit of the utility model has wide input voltage range, can support various direct current power supplies and has strong universality; the energy consumption of the boosting module is low, and the electric energy is further saved;

3. the utility model discloses a standby circuit has designed input interface circuit and output interface circuit, is convenient for expand current sound equipment.

Drawings

Fig. 1 is an overall circuit block diagram of the standby circuit of the present invention;

fig. 2 is a schematic diagram of the standby circuit of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, a seven-stage waterproof sound standby circuit includes a case and a core circuit disposed inside the case, the case is designed with a waterproof structure, such as a waterproof paint sprayed on the case, and sound equipment can be used in an outdoor environment, in this embodiment, the standby circuit can be used not only in the sound equipment, but also in other electrical equipment requiring a power supply, the core circuit includes a controller, a boost module, and a volume detection module, and the boost module and the volume detection module are both connected to the controller; the controller in this embodiment preferably uses an STC12 series single chip microcomputer, and may also flexibly select the type of the controller according to actual requirements, and the volume detection module preferably uses a sound sensor, where the sound sensor is used to detect a sound signal of the audio equipment, and for example, when the volume of the user audio is greater than 25 levels, the controller controls the boost module to normally work, and the audio equipment is powered on and is started up; when the volume of the user sound is less than 25 levels, the controller controls the boosting module to stop working, and the sound equipment is powered off and in a shutdown state.

The boost module comprises a boost chip, an input interface circuit and an output interface circuit, the controller, the input interface circuit and the output interface circuit are all connected with the boost chip, and the boost chip in the embodiment preferably adopts a TPS55330 power supply chip.

Specifically, the input interface circuit comprises a first interface, a fuse, a first diode, a first resistor, a first capacitor and a first inductor; the first interface is used for connecting power supplies such as batteries and the like, and the fuse and the first diode are designed to avoid overlarge current and reverse connection of the power supplies, so that the safety and reliability of the standby circuit are improved;

Specifically, the output interface circuit comprises a second interface, a first diode, a fifth capacitor, a seventh resistor, an eighth resistor and a ninth resistor;

Specifically, the boost module further includes a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a second capacitor, a third capacitor, and a fourth capacitor;

When the sound equipment is used, the first interface is connected with a power supply such as a 12V battery, the second interface is connected with other power supply interfaces of the sound equipment, when the volume of the sound equipment is greater than a set value, the controller outputs high level, the enabling end of the boost chip is effective at high level, the boost chip starts to operate at the moment, DC12V is boosted to 24V, the second interface is used for providing the sound equipment, and the sound equipment is in a starting state and can sound normally; when the volume of the sound equipment is smaller than a set value, the controller outputs low level, the boosting chip is in a blocking state, and the sound equipment is powered off; and further reduces the energy consumption of the sound equipment.

It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the order of acts described, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.

Claims

1. The utility model provides a seven waterproof stereo set standby circuit which characterized in that: including quick-witted case and the core circuit of setting in quick-witted incasement portion, the core circuit includes controller, boost module, volume detection module all link to each other with the controller, boost module is including chip, input interface circuit, the output interface circuit that steps up, controller, input interface circuit, output interface circuit all link to each other with the chip that steps up.

2. The seven-stage waterproof sound standby circuit according to claim 1, wherein: the input interface circuit comprises a first interface, a fuse, a first diode, a first resistor, a first capacitor and a first inductor;

3. The seven-stage waterproof sound standby circuit according to claim 1, wherein: the output interface circuit comprises a second interface, a first diode, a fifth capacitor, a seventh resistor, an eighth resistor and a ninth resistor;

4. The seven-stage waterproof sound standby circuit according to claim 1, wherein: the boosting module further comprises a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a second capacitor, a third capacitor and a fourth capacitor;

5. The seven-stage waterproof sound standby circuit according to claim 1, wherein: the boost chip is a TPS55330 power supply chip.

6. The seven-stage waterproof sound standby circuit according to claim 1, wherein: the controller is an STC12 single-chip microcomputer.

7. The seven-stage waterproof sound standby circuit according to claim 1, wherein: the volume detection module is a sound sensor.