Grounding device with noise reduction and audio system

Abstract

A noise-reducing grounding device includes at least one grounding connection terminal, at least one filter module, an AC-to-DC power supply circuit, a microprocessor, a signal generating device, and a concentric circular antenna module. The grounding connection terminal provides grounding for an audio device. The filter module filters noise from the signal originating from the grounding connection terminal. The AC-to-DC power supply circuit provides a signal path for the filter module. The signal generating device generates a specific signal under the control of the microprocessor. The concentric circular antenna module includes at least one antenna and receives the specific signal. In equalization mode, the specific signal is a broadband scanning signal, and the concentric circular antenna module is used as a quantum equalizer to equalize stray magnetic fields at the edges.

Claims

1. A noise reduction grounding device, comprising: At least one grounding connection terminal (30) is provided for grounding an audio device (70); At least one filter module (101), electrically connected to the ground connection terminal (30), is used to filter a signal from the ground connection terminal (30) for noise filtering; an AC-to-DC power supply circuit (102), electrically connected to the filter module (101), is used to convert an AC power signal from a mains power supply (50) into a DC power signal and to provide a signal path for the filter module (101); a microprocessor (103), electrically connected to the AC-to-DC power supply circuit (102), is used to coordinate and control the noise reduction grounding device (60); a signal generating device (109), electrically connected to the microprocessor (103), generates a specific signal according to the control of the microprocessor (103); and a concentric circular antenna module (110), electrically connected to the signal generating device (109), including at least one concentric circular antenna (1101). When the noise reduction grounding device (60) operates in a magnetic equalization mode, the specific signal is a broadband scanning signal. The concentric circle antenna module (110) receives the broadband scanning signal and uses it as a quantum equalizer (QMT) to generate a broadband scanning electromagnetic wave for equalizing a stray magnetic field at the edge.

2. The noise reduction grounding device as claimed in claim 1, wherein after operating in the uniform magnetic mode for a specific period of time, the noise reduction grounding device (60) switches to operate in a tuning mode or a normal operating mode.

3. The noise reduction grounding device as claimed in claim 2, wherein when the noise reduction grounding device (60) operates in the tuning mode, the specific signal is a tuning signal, the concentric circle antenna module (110) receives the tuning signal and uses it as a tuning electromagnetic wave generator to generate a tuning electromagnetic wave for tuning; and when the noise reduction grounding device (60) operates in the normal operating mode, the microprocessor (103) controls the signal generating device (109) not to generate the specific signal to the concentric circle antenna module (110).

4. The noise reduction grounding device as claimed in claim 3, wherein a scanning frequency range of the broadband scanning electromagnetic wave is 0 Hz to 100 kHz, and a tuning frequency of the tuning electromagnetic wave is 528 Hz, 432 Hz, 7.83 Hz, 396 Hz, 417 Hz, 639 Hz or 741 Hz.

5. The noise reduction grounding device as claimed in claim 1, wherein the at least one concentric circular antenna (1101) is a plurality of concentric circular antennas (1101).

6. The noise reduction grounding device as claimed in claim 1, wherein the at least one grounding connection (30) is a plurality of grounding connection terminals (30), the at least one filter module (101) is a plurality of filter modules (101), and the noise reduction grounding device further includes a centralized switching control unit (104), wherein the centralized switching control unit (104) is electrically connected to the AC-to-DC power supply circuit (102), the plurality of filter modules (101) and the microprocessor (103), the centralized switching control unit (104) is used as a signal concentration endpoint after the plurality of signals of the plurality of grounding connection terminals (30) are filtered by the plurality of filter modules (101) for noise, and performs switching control according to the control of the microprocessor (103), the AC-to-DC power supply circuit (102) is used to provide a signal path of the centralized switching control unit (104), and the signal path of the filter module (101) is connected to the signal path of the centralized switching control unit (104).

7. The noise reduction grounding device as described in claim 6, further comprising: A plurality of parallel filter modules (207) are electrically connected to the plurality of filter modules (101) and the centralized switching control unit (104) for real-time detection of a distorted waveform of the AC power signal to perform phase compensation accordingly, and to absorb a high-frequency noise of the AC power signal and release the high-frequency noise with light energy, thereby improving the purity of the AC power signal in the same signal loop.

8. The noise reduction grounding device as claimed in claim 7, wherein the number of the plurality of grounding connection terminals (30) and the plurality of filter modules (101) is 12, the number of the plurality of parallel filter modules (207) is 2, 6 of the plurality of grounding connection terminals (30) and 6 of the plurality of filter modules (101) share one parallel filter module (207), and the other 6 of the plurality of grounding connection terminals (30) and the other 6 of the plurality of filter modules (101) share another parallel filter module (207).

9. The noise reduction grounding device as described in claim 7, further comprising: An analog-to-digital conversion sampling circuit (105), electrically connected to the microprocessor (103), is used to convert a set of relative potential differences into digital data for the microprocessor (103) so that the microprocessor (103) can determine a water-to-fire phase of the mains power (50); and an ambient potential generation circuit (106), electrically connected to the analog-to-digital conversion sampling circuit (105), is used to generate the set of relative potential differences relative to the mains power (50).

10. The noise reduction grounding device as claimed in claim 7, wherein a transformer (TR) of the AC-to-DC power supply circuit (102) has a power of not less than 25 watts, and at least one capacitor (C1) of the AC-to-DC power supply circuit (102) and at least one capacitor (C2) of the parallel filter module (207) are high-voltage foil capacitors with a withstand voltage of not less than 400 volts.

11. The noise reduction grounding device as claimed in claim 9, wherein the plurality of filter modules (101), the AC-to-DC power supply circuit (102), the microprocessor (103), the centralized switching control unit (104), the analog-to-digital conversion sampling circuit (105), the ambient potential generation circuit (106), the signal generation device (109), and the concentric circle antenna module (110) are formed on a first circuit board (10), one of the plurality of parallel filter modules (207) is formed on a second circuit board (20a), and another of the plurality of parallel filter modules (207) is formed on another second circuit board (20b).

12. The noise reduction grounding device as claimed in claim 11, wherein the noise reduction grounding device (60) further includes a housing (40) having a first receiving chamber (401) and two second receiving chambers (402a, 402b) formed therein, the housing (40) having two isolation wall structures (W) for isolating the two second receiving chambers (402a, 402b) from the first receiving chamber (401), the first receiving chamber (401) for receiving the first circuit board (10), and the two second receiving chambers (402a, 402b) for receiving the two second circuit boards (20a, 20b) respectively.

13. The noise reduction grounding device as claimed in claim 11, wherein the first circuit board (10) further comprises a switching controller (115) and an indicator light assembly (116), the switching controller (115) and the indicator light assembly (116) being electrically connected to the microprocessor (103), the switching controller (115) being used to generate a switching signal so that the microprocessor (103) controls the signal generating device (109) to generate the specific signal according to the switching signal, and the indicator light assembly (116) being used to indicate the specific signal currently corresponding to the switching signal.

14. The noise reduction grounding device as claimed in claim 9, wherein the plurality of filter modules (101) have a filter network consisting of at least one resistor, at least one capacitor and at least one inductor, the filter network being used to form an eddy current from noise to convert an electromagnetic noise into heat energy, the centralized switching control unit (104) performing channel switching with a mechanical or solid-state relay and centrally discharging to a downstream discharge channel, the downstream discharge channel being a mains water line or a mains live line, the ambient potential generation circuit (106) using the connected audio device (70) as a voltage reference point and generating the set of relative potential differences with the mains water line and the mains live line, and the AC to DC power supply circuit (102) further providing a grounding path for the centralized switching control unit (104) to connect to the mains (50).

15. An audio communication system, comprising: The noise reduction grounding device (60) as described in any one of claims 1 to 14; The audio device (70) is grounded to the grounding connection terminal (30) via a grounding wire.

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