Bluetooth signal strength adaptive adjustment circuit module

Abstract

This utility model discloses a Bluetooth signal strength adaptive adjustment circuit module, relating to the field of Bluetooth communication technology. The module includes a wireless transceiver and an adaptive circuit. The adaptive circuit consists of components such as a storage battery, resistors, capacitors, filters, and transistors. It automatically detects and adjusts the operating power of the wireless transceiver through hardware, thereby optimizing energy consumption and signal quality. This utility model features a simple structure, low cost, and fast response speed, making it suitable for various portable Bluetooth devices and effectively extending battery life and improving communication reliability.

Description

Technical Field

[0001] This utility model relates to the field of Bluetooth device technology, and in particular to a Bluetooth signal strength adaptive adjustment circuit module. Background Technology

[0002] Bluetooth technology is widely used in various electronic devices, such as smartphones, headphones, and IoT devices. In traditional Bluetooth devices, the wireless transceiver typically operates at a fixed power, causing the device to increase power consumption to maintain the connection in environments with weak signal strength, thus shortening battery life. Conversely, in environments with strong signal strength, the device may over-transmit power, resulting in energy waste and electromagnetic interference. While some power control circuits exist in existing technologies, most rely on software algorithms or complex external components, resulting in slow response times and high costs. Therefore, there is an urgent need for a hardware-based adaptive adjustment circuit capable of detecting signal strength in real time and automatically adjusting operating power to improve energy efficiency and stability. Utility Model Content

[0003] The purpose of this invention is to provide a Bluetooth signal strength adaptive adjustment circuit module. Through a simple circuit design, it achieves automatic adjustment of wireless signal strength, thereby extending device battery life and improving communication reliability. The module includes a wireless transceiver and an adaptive circuit. The adaptive circuit is powered by a storage battery and utilizes components such as resistors, capacitors, filters, and transistors to construct a control loop, dynamically adjusting the operating power of the wireless transceiver according to the signal strength.

[0004] Its advantages include: simple structure, low cost, fast response speed, and the ability to achieve adaptive adjustment without complex software intervention, making it suitable for various portable Bluetooth devices.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: A Bluetooth signal strength adaptive adjustment circuit module includes a wireless transceiver and an adaptive circuit. The adaptive circuit controls the operating power of the wireless transceiver. The adaptive circuit includes an energy storage battery, a first resistor, a second resistor, a third resistor, a filter, a first capacitor, a second capacitor, a first transistor, and a second transistor. The positive terminal of the energy storage battery is connected to one end of the first resistor, the other end of the first resistor is connected to one end of the second resistor, the other end of the second resistor is connected to one end of the third resistor, the other end of the third resistor is connected to the input terminal of the filter, the output terminal of the filter is connected to one end of the first capacitor, the other end of the first capacitor is connected to the base of the first transistor, the emitter of the first transistor is connected to one end of the second capacitor, the other end of the second capacitor is connected to the base of the second transistor, the collector of the second transistor is connected to the power control terminal of the wireless transceiver, and the emitter of the second transistor is connected to the negative terminal of the energy storage battery.

[0006] By adopting the above technical solution, a simple circuit design enables automatic adjustment of wireless signal strength, thereby extending device battery life and improving communication reliability. The module includes a wireless transceiver and an adaptive circuit. The adaptive circuit is powered by a storage battery and utilizes components such as resistors, capacitors, filters, and transistors to construct a control loop that dynamically adjusts the operating power of the wireless transceiver based on the signal strength.

[0007] In a further embodiment, a branch is added between the first resistor and the second resistor, and a fourth resistor is connected to the branch.

[0008] In a further embodiment, a branch is added between the second resistor and the third resistor, and a first inductor is connected in parallel to the branch.

[0009] In a further embodiment, a branch is added between the filter and the first capacitor, and a third capacitor is connected to the branch.

[0010] In a further embodiment, a branch is added between the first transistor and the second transistor, and a fifth resistor is connected in parallel to the branch.

[0011] A branch is added between the second transistor and the wireless transceiver, and a sixth resistor is connected in parallel to the branch.

[0012] In summary, this utility model has the following beneficial effects: 1. This module achieves automatic adjustment of wireless signal strength through simple circuit design, thereby extending device battery life and improving communication reliability. It includes a wireless transceiver and an adaptive circuit. The adaptive circuit is powered by a storage battery and utilizes components such as resistors, capacitors, filters, and transistors to construct a control loop that dynamically adjusts the operating power of the wireless transceiver based on signal strength. Attached Figure Description

[0013] Figure 1 This is a circuit diagram of the Bluetooth signal strength adaptive adjustment circuit module of this utility model.

[0014] In the diagram, 1 is a wireless transceiver; 2 is a storage battery; 3 is the first resistor; 4 is the second resistor; 5 is the third resistor; 6 is a filter; 7 is the first capacitor; 8 is the second capacitor; 9 is the first transistor; 10 is the second transistor; 11 is the fourth resistor; 12 is the first inductor; 13 is the third capacitor; 14 is the fifth resistor; and 15 is the sixth resistor. Detailed Implementation

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

[0016] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to the attached figures. Figure 1 In this specification, the terms "bottom surface" and "top surface," "inner" and "outer" refer to the direction toward or away from the geometry of a specific component. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this specification, "a plurality of" means two or more, unless otherwise explicitly and specifically defined by the direction of the center.

[0017] Example 1: like Figure 1As shown, a Bluetooth signal strength adaptive adjustment circuit module includes a wireless transceiver 1 and an adaptive circuit. The adaptive circuit controls the operating power of the wireless transceiver 1. The adaptive circuit includes an energy storage battery 2, a first resistor 3, a second resistor 4, a third resistor 5, a filter 6, a first capacitor 7, a second capacitor 8, a first transistor 9, and a second transistor 10. The positive terminal of the energy storage battery 2 is connected to one end of the first resistor 3, the other end of the first resistor 3 is connected to one end of the second resistor 4, the other end of the second resistor 4 is connected to one end of the third resistor 5, the other end of the third resistor 5 is connected to the input terminal of the filter 6, the output terminal of the filter 6 is connected to one end of the first capacitor 7, the other end of the first capacitor 7 is connected to the base of the first transistor 9, and the emitter of the first transistor 9 is connected to the first... One end of the second capacitor 8 is connected, and the other end of the second capacitor 8 is connected to the base of the second transistor 10. The collector of the second transistor 10 is connected to the power control terminal of the wireless transceiver 1, and the emitter of the second transistor 10 is connected to the negative terminal of the energy storage battery 2. A branch is added between the first resistor 3 and the second resistor 4, and a fourth resistor 11 is connected in parallel with the branch. A branch is added between the second resistor 4 and the third resistor 5, and a first inductor 12 is connected in parallel with the branch. A branch is added between the filter 6 and the first capacitor 7, and a third capacitor 13 is connected in parallel with the branch. A branch is added between the first transistor 9 and the second transistor 10, and a fifth resistor 14 is connected in parallel with the branch. A branch is added between the second transistor 10 and the wireless transceiver 1, and a sixth resistor 15 is connected in parallel with the branch.

[0018] The specific implementation process includes a wireless transceiver (such as a common Bluetooth chip) and an adaptive circuit. The adaptive circuit is powered by a storage battery BT1, which can be a lithium-ion battery or other rechargeable battery, providing a stable DC power supply. Resistors R1, R2, and R3 are connected in series for voltage division and current limiting; their values ​​can be selected according to the actual application, for example, R1 is 10kΩ, R2 is 5kΩ, and R3 is 3kΩ. Filter FL1 is a low-pass filter used to filter out high-frequency noise and ensure accurate signal detection. Capacitors C1 and C2 are electrolytic or ceramic capacitors used for energy storage and filtering; their capacitance values ​​can be selected as 10μF and 22μF, respectively. Transistors Q1 and Q2 are NPN transistors, such as 2N3904, used for signal amplification and control. Under normal operating conditions, the wireless transceiver receives Bluetooth signals and detects the signal strength through the adaptive circuit. When the signal strength is weak, voltage changes in the circuit are transmitted through filter FL1 and capacitors C1 and C2, turning on the first transistor Q1. This, in turn, drives the second transistor Q2 to adjust the power control terminal of the wireless transceiver, increasing the transmission power to enhance the signal. Conversely, when the signal strength is strong, the circuit automatically reduces power to save energy. This adaptive adjustment process requires no external intervention, achieving efficient energy management. The simple circuit design enables automatic adjustment of wireless signal strength, thereby extending device battery life and improving communication reliability. This module includes a wireless transceiver and an adaptive circuit. The adaptive circuit is powered by a storage battery and uses components such as resistors, capacitors, filters, and transistors to construct a control loop that dynamically adjusts the operating power of the wireless transceiver according to the signal strength.

[0019] The circuit module of this invention can be integrated into devices such as Bluetooth headsets and smartwatches to optimize performance through hardware. In practical applications, the selection and parameters of components can be adjusted according to specific needs, but without departing from the core design of this invention.

[0020] In the embodiments disclosed in this utility model, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments disclosed in this utility model according to the specific circumstances.

[0021] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A Bluetooth signal strength adaptive adjustment circuit module, characterized by: The device includes a wireless transceiver (1) and an adaptive circuit. The adaptive circuit controls the operating power of the wireless transceiver (1). The adaptive circuit includes an energy storage battery (2), a first resistor (3), a second resistor (4), a third resistor (5), a filter (6), a first capacitor (7), a second capacitor (8), a first transistor (9), and a second transistor (10). The positive terminal of the energy storage battery (2) is connected to one end of the first resistor (3), the other end of the first resistor (3) is connected to one end of the second resistor (4), and the other end of the second resistor (4) is connected to the third resistor. (5) One end is connected, the other end of the third resistor (5) is connected to the input end of the filter (6), the output end of the filter (6) is connected to one end of the first capacitor (7), the other end of the first capacitor (7) is connected to the base of the first transistor (9), the emitter of the first transistor (9) is connected to one end of the second capacitor (8), the other end of the second capacitor (8) is connected to the base of the second transistor (10), the collector of the second transistor (10) is connected to the power control terminal of the wireless transceiver (1), and the emitter of the second transistor (10) is connected to the negative terminal of the energy storage battery (2).

2. The Bluetooth signal strength adaptive adjustment circuit module of claim 1, wherein, A branch is added between the first resistor (3) and the second resistor (4), and the branch is connected to a fourth resistor (11).

3. The Bluetooth signal strength adaptive adjustment circuit module of claim 1, wherein, A branch is added between the second resistor (4) and the third resistor (5), and a first inductor (12) is connected to the branch.

4. The Bluetooth signal strength adaptive adjustment circuit module according to claim 1, characterized in that, A branch is added between the filter (6) and the first capacitor (7), and a third capacitor (13) is connected to the branch.

5. The Bluetooth signal strength adaptive adjustment circuit module according to claim 1, characterized in that, A branch is added between the first transistor (9) and the second transistor (10), and a fifth resistor (14) is connected in parallel to the branch.

6. The Bluetooth signal strength adaptive adjustment circuit module according to claim 1, characterized in that, A branch is added between the second transistor (10) and the wireless transceiver (1), and a sixth resistor (15) is connected in parallel to the branch.

Images