Wireless signal gain device

Abstract

The utility model provides a wireless signal gain device. The wireless signal gain device comprises a signal receiving circuit, a signal driving circuit, a signal strength detection circuit, a signal amplifying circuit and a signal transmitting circuit, the signal driving circuit is connected with the signal receiving module; the signal intensity detection circuit is connected with the signal driving circuit; the signal amplification circuit is connected with the signal intensity detection circuit; the signal amplification circuit is provided with a self-adaptive gain circuit; and the signal transmitting circuit is connected with the signal amplifying circuit and is provided with a multi-element antenna array. The wireless signal gain device can automatically adjust the gain according to the actual signal strength, avoids the phenomenon of excessive increase or insufficient increase of the signal, reduces the generation of noise and interference, improves the signal quality, is simple in structure, is easy to implement, and is suitable for popularization and application. The problems that a wireless signal gain device in the prior art is poor in long-distance transmission effect and cannot automatically adjust the gain are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless communication, in particular to a wireless signal gain device. Background Art

[0002] With the development of wireless communication technology, the coverage and stability of wireless signals have become important research topics. Due to various reasons, such as environmental obstacles, signal transmission distance, etc., the strength and stability of wireless signals may be affected. In order to solve this problem, wireless signal gain devices are widely used to enhance the strength and stability of wireless signals.

[0003] Existing wireless signal gain devices usually include a signal receiver, a signal amplifier and a signal transmitter, which amplify the wireless signal to improve the signal strength. However, noise and interference may be introduced during the signal transmission process, resulting in a decrease in signal quality. In addition, when dealing with complex environments and long-distance transmission, there are still problems such as signal distortion and limited coverage. In addition, existing wireless signal gain devices usually do not have an adaptive gain control function and cannot automatically adjust the gain according to the actual signal strength, resulting in the phenomenon of over-gain or under-gain of the signal. Therefore, an improved wireless signal gain device is needed to solve these problems. Utility Model Content

[0004] The main purpose of the utility model is to provide a wireless signal gain device, so as to at least solve the problem that the wireless signal gain device in the prior art has poor long-distance transmission effect and cannot automatically adjust the gain.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a wireless signal gain device, including: a signal receiving circuit, a signal driving circuit, a signal strength detection circuit, a signal amplifying circuit and a signal transmitting circuit; the signal driving circuit is connected to the signal receiving module; the signal strength detection circuit is connected to the signal driving circuit; the signal amplifying circuit is connected to the signal strength detection circuit; the signal amplifying circuit is provided with an adaptive gain circuit; the signal transmitting circuit is connected to the signal amplifying circuit, and the signal transmitting circuit is provided with a multi-element antenna array.

[0006] Furthermore, the signal receiving circuit is provided with a front-end receiving element, a filter and a noise reduction circuit.

[0007] Furthermore, the signal strength detection circuit is provided with a sensing element and a digital-to-analog converter.

[0008] Furthermore, the signal amplification circuit is also provided with an amplification circuit and a feedback control circuit.

[0009] Furthermore, the signal transmitting circuit is also provided with a modulator.

[0010] Furthermore, the wireless signal gain device also includes: a secondary amplification circuit, which is connected to both the signal amplification circuit and the signal transmission circuit.

[0011] Furthermore, the secondary amplification circuit is provided with two stages of independent amplification units connected in series, and each stage of the amplification unit is provided with a triode, a capacitor and a load.

[0012] A wireless signal gain device of the technical solution of the utility model includes: a signal receiving circuit, a signal driving circuit, a signal strength detection circuit, a signal amplifying circuit and a signal transmitting circuit; the signal driving circuit is connected to the signal receiving module; the signal strength detection circuit is connected to the signal driving circuit; the signal amplifying circuit is connected to the signal strength detection circuit; the signal amplifying circuit is provided with an adaptive gain circuit; the signal transmitting circuit is connected to the signal amplifying circuit, and the signal transmitting circuit is provided with a multi-element antenna array. The wireless signal gain device of this embodiment can automatically adjust the gain according to the actual signal strength, avoiding the phenomenon of over-increase or under-increase of the signal, while reducing the generation of noise and interference, improving the signal quality, having a simple structure and being easy to implement, and solving the problem that the wireless signal gain device in the prior art has poor long-distance transmission effect and cannot automatically adjust the gain. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0014] Figure 1 It is a structural block diagram of a wireless signal gain device that can be selected according to an embodiment of the utility model.

[0015] The above drawings include the following reference numerals:

[0016] 10. Signal receiving circuit; 20. Signal driving circuit; 30. Signal strength detection circuit; 40. Signal amplifying circuit; 50. Signal transmitting circuit; 60. Secondary amplifying circuit. DETAILED DESCRIPTION

[0017] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0018] A wireless signal gain device according to an embodiment of the present invention is as follows: Figure 1As shown, it includes: a signal receiving circuit 10, a signal driving circuit 20, a signal strength detection circuit 30, a signal amplifying circuit 40 and a signal transmitting circuit 50; the signal receiving circuit 10 is used to receive wireless signals from various sources, such as satellites, base stations, WiFi routers, etc., and the signal receiving circuit 10 has high sensitivity and sufficient selectivity to accurately capture and extract the required wireless signals; the signal driving circuit 20 is connected to the signal receiving module, and the signal driving circuit 20 is used to convert a weak input signal into a strong signal; the signal strength detection circuit 30 is connected to the signal driving circuit 20, and the signal strength detection circuit 30 is used to detect the received wireless signal. The signal amplification circuit 40 is connected to the signal strength detection circuit 30, and the signal amplification circuit 40 is used to amplify the signal; the signal amplification circuit 40 is provided with an adaptive gain circuit, and the adaptive gain circuit is used to automatically adjust the signal amplification factor according to the strength of the received wireless signal to realize dynamic gain adjustment of the wireless signal; the signal transmission circuit 50 is connected to the signal amplification circuit 40, and the signal transmission circuit 50 is used to transmit the wireless signal after the gain is adjusted, and the signal transmission circuit 50 is provided with a multi-element antenna array, and the multi-element antenna array includes a plurality of antenna units, and each antenna unit can receive and send wireless signals in different directions. In this embodiment, the adaptive gain module is set to automatically adjust the gain according to the actual signal strength, avoid the phenomenon of over-increase or under-increase of the signal, and reduce the generation of noise and interference, and improve the signal quality; in addition, the multi-distance antenna array is set to achieve higher performance than a single antenna by combining the signals with each other, improve the overall total gain, realize diversity reception, offset interference, adjust to a specific direction, measure the source direction of the input signal, and maximize the signal-to-noise ratio (SINR). The wireless signal gain device of this embodiment can automatically adjust the gain according to the actual signal strength, avoiding the phenomenon of over-increase or under-increase of the signal, while reducing the generation of noise and interference, improving the signal quality, and has a simple structure and is easy to implement. It solves the problem that the wireless signal gain device in the prior art has poor long-distance transmission effect and cannot automatically adjust the gain.

[0019] In specific implementation, the signal receiving circuit 10 is provided with a front-end receiving element, a filter and a noise reduction circuit. The front-end receiving element is used to receive external signals; the filter is used to filter out stray signals; the noise reduction circuit is used to reduce noise interference; the signal receiving circuit 10 can improve the sensitivity and stability of signal reception and enhance the anti-interference ability.

[0020] In specific implementation, the signal strength detection circuit 30 is provided with a sensing element and a digital-to-analog converter. The sensing element is used to sense the signal strength; the digital-to-analog converter is used to convert the analog signal output by the sensing element into a digital signal; the signal strength detection circuit 30 has high sensitivity, low error rate, and fast response.

[0021] In specific implementation, the signal amplifier circuit 40 is also provided with an amplifier circuit and a feedback control circuit. The feedback control circuit is used to monitor the amplification factor in real time to achieve low noise and high fidelity effects; the signal amplifier circuit 40 is used to achieve low noise, high fidelity, and excellent audio processing effects.

[0022] In a specific implementation, the signal transmitting circuit 50 is further provided with a modulator. The modulator is used to modulate the data signal to be transmitted; the signal transmitting circuit 50 has high efficiency and stability, strong anti-interference ability and low energy consumption.

[0023] In specific implementation, the wireless signal gain device also includes: a secondary amplifier circuit 60, which is connected to both the signal amplifier circuit 40 and the signal transmission circuit 50. The secondary amplifier circuit 60 increases the frequency of the processed signal to ensure the quality of the output signal.

[0024] Furthermore, the two-stage amplifier circuit 60 is provided with two stages of independent amplifier units connected in series, and each stage of the amplifier unit is provided with a transistor, a capacitor and a load. The first stage amplifier receives the input signal and amplifies it, while suppressing noise and reducing distortion; the amplified signal is then transmitted to the second stage amplifier for further signal processing and amplification. The two-stage amplifiers work independently, and by optimizing the component configuration and circuit design, a high-performance signal amplification effect is achieved.

[0025] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A wireless signal gain device, characterized in that: include: A signal receiving circuit (10); A signal driving circuit (20), the signal driving circuit (20) being connected to the signal receiving circuit (10); A signal strength detection circuit (30), the signal strength detection circuit (30) being connected to the signal driving circuit (20); A signal amplifying circuit (40), the signal amplifying circuit (40) being connected to the signal strength detecting circuit (30); the signal amplifying circuit (40) being provided with an adaptive gain circuit; A signal transmitting circuit (50), the signal transmitting circuit (50) is connected to the signal amplifying circuit (40), and the signal transmitting circuit (50) is provided with a multi-element antenna array.

2. The wireless signal gain device according to claim 1, characterized in that: The signal receiving circuit (10) is provided with a front-end receiving element, a filter and a noise reduction circuit.

3. The wireless signal gain device according to claim 1, characterized in that: The signal strength detection circuit (30) is provided with a sensing element and a digital-to-analog converter.

4. The wireless signal gain device according to claim 1, characterized in that: The signal amplifying circuit (40) is also provided with an amplifying circuit and a feedback control circuit.

5. The wireless signal gain device according to claim 1, characterized in that: The signal transmitting circuit (50) is also provided with a modulator.

6. The wireless signal gain device according to claim 1, characterized in that: The wireless signal gain device also includes: A secondary amplifier circuit (60), the secondary amplifier circuit (60) being connected to both the signal amplifier circuit (40) and the signal transmitting circuit (50).

7. The wireless signal gain device according to claim 6, characterized in that: The secondary amplifier circuit (60) is provided with two stages of independent amplifier units connected in series, and each stage of the amplifier unit is provided with a triode, a capacitor and a load.

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