Hand microphone with built-in battery

By designing a charging and power on/off control unit for a battery-powered microphone, the problem of the battery-powered microphone freezing is solved, convenient charging and hard shutdown are achieved, and an effective means of dealing with freezing is provided.

CN223402241UActive Publication Date: 2025-09-30QIXIANG ELECTRON SCI & TECH
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Patent Information

Application Number
CN202323591217.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2025-09-30
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

Microphones with built-in batteries are prone to crashing when interfered with by external factors or due to internal system problems. Unlike microphones with removable batteries, the crash problem cannot be solved by removing the battery to cut off the power.

Method used

A battery-powered microphone is designed, which includes a battery, a charging interface, a first charging unit, a power supply unit, a microprocessor, a power on/off unit, and a hard shutdown unit. Through the control of the power on/off unit and the hard shutdown unit, the battery can be conveniently charged and powered on/off, and a hard shutdown can be performed when the device freezes. At least two hard shutdown buttons are provided to prevent accidental touches.

Benefits of technology

The built-in battery microphone can be used for convenient charging and power on/off, and can effectively perform a hard shutdown when the device freezes, avoiding accidental hard shutdown, and providing an effective response to freeze situations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a hand microphone with a built-in battery, which comprises the battery, a charging interface, a first charging unit, a power supply unit, a microprocessor, an on-off unit and a hard-off unit, the charging interface is connected with the battery through the first charging unit to charge the battery, and the battery is connected with the on-off unit. The first output end of the on-off unit is connected with the enabling end of the power supply unit, the second output end of the on-off unit is connected with the first input end of the microprocessor, the output end of the power supply unit is connected with the power supply end of the microprocessor, and the first output end of the microprocessor is connected with the enabling end of the power supply unit through a discharge diode. One end of each hard shutdown button is connected with the ground, and the other end is connected with the enabling end of the power supply unit. According to the utility model, the battery is convenient to charge, can be conveniently turned on and turned off, and can be turned off in a hard way when the hand microphone is halted, thereby providing an effective coping means for the halted condition in the use process of the hand microphone.
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Description

Technical Field

[0001] The utility model relates to a hand microphone with built-in battery. Background Art

[0002] With the advancement of battery technology, battery life is getting better and better. Battery performance has also improved significantly. Furthermore, different charging interfaces have been developed to greatly meet user needs. Compared to microphones with non-removable batteries, removable batteries are more difficult to remove and charge. Furthermore, most current microphones are becoming lighter and thinner. The built-in battery design saves space while also reducing material and design costs.

[0003] However, for microphones with built-in batteries, external factors such as temperature, humidity, and electromagnetic interference, or system issues can cause them to freeze during use. For microphones with removable batteries, the solution to a freeze is to remove the battery to disconnect the microphone from the power source. However, this method cannot be used for microphones with built-in batteries. Utility Model Content

[0004] The utility model provides a hand microphone with a built-in battery. The battery is easy to charge, can be turned on and off conveniently, and can be hard shut down when the microphone freezes, providing an effective means to deal with the freeze situation during the use of the hand microphone.

[0005] The utility model is achieved through the following technical solutions:

[0006] A handheld microphone with a built-in battery includes a battery, a charging interface, a first charging unit, a power supply unit, a microprocessor, a power switch unit, and a hard shutdown unit. The charging interface is connected to the battery through the first charging unit to charge the battery. The battery is connected to the power switch unit. The first output end of the power switch unit is connected to the enable end of the power supply unit, and the second output end is connected to the first input end of the microprocessor. The output end of the power supply unit is connected to the power supply end of the microprocessor. The first output end of the microprocessor is connected to the enable end of the power supply unit through a discharge diode. The hard shutdown unit includes at least two hard shutdown buttons, one end of each hard shutdown button is connected to ground and the other end is connected to the enable end of the power supply unit. In the shutdown state, the power switch unit is activated, so that the battery provides a high level to the enable end of the power supply unit, and the power supply unit works to provide working power for the microprocessor. In the startup state, the power switch unit is activated, so that the first input end of the microprocessor is provided with a high level. The first output end of the microprocessor outputs a low level to the cathode of the discharge diode, so that the power supply unit stops working. During hard shutdown, the hard shutdown buttons are turned on at the same time, the enable end of the power supply unit becomes low, and the power supply unit stops working. The battery is charged through the charging port and the first charging unit, making charging convenient; the microphone can be turned on and off conveniently by activating the power on / off unit; the microphone can be hard shut down when it freezes, providing an effective response to freezes during use; at least two hard shut-off buttons are provided to avoid accidental shutdown caused by accidentally touching the hard shut-off buttons.

[0007] Furthermore, the power on / off unit includes a power on / off button, a first diode and a second diode. One end of the power on / off button is connected to the battery, and the other end is connected to the anode of the first diode and the anode of the second diode respectively. The cathode of the first diode is connected to the enable end of the power supply unit, and the cathode of the second diode is connected to the first input end of the microprocessor.

[0008] Furthermore, the power supply unit includes a voltage stabilizing chip, a first resistor, a second resistor, a third resistor, a third diode, a fourth diode, a fifth diode and a sixth diode. One end of the first resistor, the second resistor and the third resistor are connected to the output end of the voltage stabilizing chip, and the other ends are connected to the anodes of the third diode, the fourth diode and the fifth diode respectively. The cathodes of the third diode, the fourth diode and the fifth diode are all connected to the anode of the sixth diode. The cathode of the sixth diode is connected to the enable end of the voltage stabilizing chip. The output end of the voltage stabilizing chip is the output end of the power supply unit.

[0009] Furthermore, the first output terminal of the microprocessor is connected to the cathode of the discharge diode, and the anode of the discharge diode is connected to the enable terminal of the voltage regulator chip.

[0010] Furthermore, the hard shutdown unit includes three hard shutdown buttons, one end of each hard shutdown button is connected to the ground, and the other end is connected to the anode of the third diode, the fourth diode and the fifth diode respectively.

[0011] Furthermore, the hand microphone includes a body and a plurality of buttons located on the front, side and top surfaces of the body, and the three hard power-off buttons are three of the buttons.

[0012] Furthermore, the charging interface is a TYPE-C interface, the first charging unit includes a charging module and a seventh diode, the output end of the TYPE-C interface is connected to the anode of the seventh diode, and the cathode of the seventh diode is connected to the power supply end of the charging module.

[0013] Furthermore, it also includes a second charging unit, which includes an eighth diode. The anode of the eighth diode is connected to the external power supply interface through a wire, and the cathode is connected to the power supply end of the charging module.

[0014] Furthermore, the first diode and the sixth diode are double diodes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be described in further detail below with reference to the accompanying drawings.

[0016] Figure 1 This is a circuit diagram of the utility model.

[0017] Among them, 1. microprocessor; BT, battery; S1, power button; D1-1, first diode; D2, second diode; U1, voltage regulator chip; R1, first resistor; R2, second resistor; R3, third resistor; D3, third diode; D4, fourth diode; D5, fifth diode; D1-2, sixth diode; D7, seventh diode; D8, eighth diode; D9, discharge diode; S2, hard shutdown button; S3, hard shutdown button; S4, hard shutdown button; U2, charging module; J, charging port; L, wire; 2. host. DETAILED DESCRIPTION

[0018] like Figure 1As shown, the battery-powered microphone includes a battery BT, a charging interface J, a first charging unit, a power supply unit, a microprocessor 1, a switch unit, a hard shutdown unit, and a second charging unit. The charging interface J is connected to the battery BT through the first charging unit to charge the battery BT. The battery BT is connected to the input end of the switch unit. The first output end of the switch unit is connected to the enable end of the power supply unit, and the second output end is connected to the first input end of the microprocessor 1. The output end of the power supply unit is connected to the power supply end of the microprocessor 1. The first output end of the microprocessor 1 is connected to the cathode of the discharge diode D9, and the anode of the discharge diode D9 is connected to the enable end of the power supply unit. The hard shutdown unit includes at least two hard shutdown buttons S2. One end of each hard shutdown button S2 is connected to the ground and the other end is connected to the enable end of the power supply unit. When the power is turned off, the power switch unit operates, causing the battery BT to provide a high level to the enable terminal of the power supply unit. The power supply unit works to provide working power to the microprocessor 1, and the microphone starts to work. When the power is turned on, the power switch unit operates to provide a high level to the first input terminal of the microprocessor 1. The first output terminal of the microprocessor 1 outputs a low level to the cathode of the discharge diode D9, causing the power supply unit to stop working and no longer provide working power to the microprocessor 1. The microphone also stops working. When the power is turned off, all hard shutdown buttons S2 are turned on at the same time, the enable terminal of the power supply unit becomes low, and the power supply unit stops working. Among them, the discharge diode D9 model is RB751 S40T1, which has a small voltage drop and fast discharge.

[0019] More specifically, the charging interface J is a TYPE-C interface. The first charging unit includes a charging module U2 and a seventh diode D7. The output end of the TYPE-C interface is connected to the anode of the seventh diode D7, and the cathode of the seventh diode D7 is connected to the power end of the charging module U2. The power supply causes the seventh diode D7 to conduct forward through the charging interface J and output to the charging module U2, and the charging module U2 charges the battery BT. The user can also charge the battery BT through a wired external power supply. The second charging unit realizes wired charging. The second charging unit includes an eighth diode D8. The anode of the eighth diode D8 is connected to the external power interface through a wire L, and the cathode of the eighth diode D8 is connected to the power end of the charging module U2. The external power supply causes the eighth diode D8 to conduct forward and output to the charging module U2, and the charging module U2 charges the battery BT. Among them, the charging module U2 is specifically an XT4095 chip, and the external power supply is the power supply of the device (such as the vehicle-mounted station) connected through the host interface 2. The power supply of the vehicle-mounted station is connected to the second charging unit through the host interface 2. Figure 1 The "+5H" in the figure is the power provided by the vehicle-mounted station through the host interface 2.

[0020] The power on / off unit includes a power on / off button S1, a first diode D1-1 and a second diode D2. One end of the power on / off button S1 is connected to the battery BT, and the other end is connected to the anode of the first diode D1-1 and the anode of the second diode D2 respectively. The cathode of the first diode D1-1 serves as the first output end of the switch unit and is connected to the enable end of the power supply unit. The cathode of the second diode D2 serves as the second output end of the switch unit and is connected to the first input end of the microprocessor 1. The power supply unit includes a voltage regulator chip U1, a first resistor R1, a second resistor R2, a third resistor R3, a third diode D3, a fourth diode D4, a fifth diode D5, and a sixth diode D1-2. The battery BT is connected to the power supply terminal of the voltage regulator chip U1. One end of the first resistor R1, the second resistor R2, and the third resistor R3 are all connected to the output terminal of the voltage regulator chip U1, and the other ends are respectively connected to the anode of the third diode D3, the anode of the fourth diode D4, and the anode of the fifth diode D5. The cathode of the third diode D3, the cathode of the fourth diode D4, and the cathode of the fifth diode D5 are all connected to the anode of the sixth diode D1-2. The cathode of the sixth diode D1-2 is connected to the enable terminal of the voltage regulator chip U1. The output terminal of the voltage regulator chip U1 is the output terminal of the power supply unit, and the enable terminal of the voltage regulator chip U1 is the enable terminal of the power supply unit. Among them, the voltage regulator chip U1 is specifically the AW37030D330STR chip.

[0021] The hard shutdown unit includes a hard shutdown button S2, a hard shutdown button S3, and a hard shutdown button S2. One end of these three hard shutdown buttons is connected to ground, and the other ends are connected to the anodes of the third diode D3, the fourth diode D4, and the fifth diode D5, respectively. In this embodiment, the microphone includes a main body and multiple buttons located on the front, side, and top surfaces of the main body. The three hard shutdown buttons are respectively three of these buttons, which can more effectively prevent accidental touches.

[0022] In this embodiment, the first diode D1 - 1 and the sixth diode D1 - 2 are double diodes, and the cathodes of the first diode D1 - 1 and the sixth diode D1 - 2 are connected together, which can further save space.

[0023] Boot process:

[0024] In the shutdown state, the user presses the power button S1, and the power button S1 is turned on. The battery BT voltage V1 passes through the power button S1 and the first diode D1-1 to the enable end (CE end) of the voltage regulator chip U1 at a high level, thereby activating the voltage regulator chip U1 and making the voltage regulator chip U1 output voltage V2. The voltage V2 passes through the first resistor R1 and the third diode D3, the second resistor R2 and the fourth diode D4, and the fifth resistor and the sixth diode D1-2, and enters the sixth diode D1-2 to give the enable end of the voltage regulator chip U1 a high level. At this point, the voltage regulator chip U1 is continuously activated, and the voltage regulator chip U1 continuously outputs voltage V2. The voltage V2 powers the microprocessor 1, and the microphone completes the startup.

[0025] Shutdown process:

[0026] In the power-on state, the user presses the power button S1, the power button S1 is turned on, and the battery BT voltage V1 gives the microprocessor 1 a high level through the power button S1 and the second diode D2. After receiving the high level, the microprocessor 1 outputs a low level from another I / O port (voltage output end) to the cathode of the discharge diode D9, which in turn pulls the enable end of the voltage regulator chip U1 down to a low level, turns off the voltage regulator chip U1, and makes the microprocessor 1 lose power. The handset completes the shutdown.

[0027] Hard shutdown process:

[0028] When the microphone is powered on and freezes, the user presses the hard power off button S2, the hard power off button S3 and the hard power off button S4 at the same time, which gives a low level to the anodes of the third diode D3, the fourth diode D4 and the fifth diode D5, thereby pulling the enable terminal of the voltage regulator chip U1 to a low level, thereby shutting down the microphone.

[0029] The above description is merely a preferred embodiment of the present invention and therefore cannot be used to limit the scope of implementation of the present invention. In other words, equivalent changes and modifications made according to the scope of the patent application and the contents of the specification of the present invention should still fall within the scope of the present patent.

Claims

1. A hand microphone with built-in battery, characterized by: The device comprises a battery, a charging interface, a first charging unit, a power supply unit, a microprocessor, a switch unit and a hard shutdown unit. The charging interface is connected to the battery through the first charging unit to charge the battery. The battery is connected to the switch unit. The first output end of the switch unit is connected to the enable end of the power supply unit, and the second output end is connected to the first input end of the microprocessor. The output end of the power supply unit is connected to the power supply end of the microprocessor. The first output end of the microprocessor is connected to the enable end of the power supply unit through a discharge diode. The hard shutdown unit includes at least two hard shutdown buttons. One end of each hard shutdown button is connected to the ground and the other end is connected to the enable end of the power supply unit. In the shutdown state, the switch unit is activated, so that the battery provides a high level to the enable terminal of the power supply unit, and the power supply unit works to provide working power for the microprocessor. In the startup state, the switch unit is activated, and a high level is provided to the first input terminal of the microprocessor. The first output terminal of the microprocessor outputs a low level to the cathode of the discharge diode, so that the power supply unit stops working. When the power is hard shut down, all hard shutdown buttons are turned on at the same time, the enable terminal of the power supply unit becomes a low level, and the power supply unit stops working. The power supply unit includes a voltage regulator chip, the first output terminal of the microprocessor is connected to the cathode of the discharge diode, and the anode of the discharge diode is connected to the enable terminal of the voltage regulator chip.

2. The battery-powered hand microphone according to claim 1, characterized in that: The power on / off unit includes a power on / off button, a first diode and a second diode. One end of the power on / off button is connected to the battery, and the other end is connected to the anode of the first diode and the anode of the second diode respectively. The cathode of the first diode is connected to the enable end of the power supply unit, and the cathode of the second diode is connected to the first input end of the microprocessor.

3. The battery-powered hand microphone according to claim 2, characterized in that: The power supply unit includes a voltage stabilizing chip, a first resistor, a second resistor, a third resistor, a third diode, a fourth diode, a fifth diode and a sixth diode. One end of the first resistor, the second resistor and the third resistor are connected to the output end of the voltage stabilizing chip, and the other ends are connected to the anodes of the third diode, the fourth diode and the fifth diode respectively. The cathodes of the third diode, the fourth diode and the fifth diode are all connected to the anode of the sixth diode. The cathode of the sixth diode is connected to the enable end of the voltage stabilizing chip. The output end of the voltage stabilizing chip is the output end of the power supply unit.

4. The battery-powered hand microphone according to claim 3, characterized in that: The hard shutdown unit includes three hard shutdown buttons, one end of each hard shutdown button is connected to the ground, and the other end is connected to the anodes of the third diode, the fourth diode and the fifth diode respectively.

5. The battery-powered hand microphone according to claim 4, characterized in that: The hand microphone includes a body and a plurality of buttons located on the front, side and top surfaces of the body, and the three hard power-off buttons are three of the buttons.

6. A battery-powered hand microphone according to claim 1, 2, 3, or 4, characterized in that: The charging interface is a TYPE-C interface, the first charging unit includes a charging module and a seventh diode, the output end of the TYPE-C interface is connected to the anode of the seventh diode, and the cathode of the seventh diode is connected to the power supply end of the charging module.

7. The battery-powered hand microphone according to claim 6, characterized in that: It also includes a second charging unit, which includes an eighth diode. The anode of the eighth diode is connected to the external power supply interface through a wire, and the cathode is connected to the power supply end of the charging module.

8. A battery-powered hand microphone according to claim 2, 3 or 4, characterized in that: The first diode and the sixth diode are double diodes.