Search

CN-224233692-U - Dual-mode communication wireless monitoring circuit

CN224233692UCN 224233692 UCN224233692 UCN 224233692UCN-224233692-U

Abstract

The application provides a dual-mode communication wireless monitoring circuit, which comprises an electromagnetic wave probe base, a directional coupler and a first differential conversion chip, wherein a signal amplifying sub-circuit comprises a signal amplifier, a signal measuring sub-circuit comprises a microcontroller and a second differential conversion chip, the electromagnetic wave probe base is connected with a direct connection port of the directional coupler, an input port of the directional coupler is connected with an output port of the signal amplifier, an isolation pin is connected with an unbalanced port of the first differential conversion chip, balanced ports of the first differential conversion chip are respectively connected with an input port of the microcontroller, an output port of the microcontroller is connected with a balanced port of the second differential conversion chip, and the unbalanced port of the second differential conversion chip is connected with an input port of the signal amplifier. The method can independently filter, convert and amplify signals of different channels, and overcomes the defect that clutter on the channels in the existing wireless communication technology affects network data communication quality and response efficiency.

Inventors

  • SHEN LIYUAN
  • GUAN FEI
  • GAO HONGZHONG
  • XU JIAN

Assignees

  • 北京新能致通电力科技发展有限公司

Dates

Publication Date
20260512
Application Date
20250609

Claims (10)

  1. 1. The wireless monitoring circuit for the dual-mode communication is characterized by comprising a signal acquisition sub-circuit, a signal amplification sub-circuit and a signal measurement sub-circuit; The signal acquisition sub-circuit comprises an electromagnetic wave probe base, a directional coupler and a first differential conversion chip, wherein the signal amplification sub-circuit comprises a signal amplifier; The input port of the directional coupler is connected with the output port of the signal amplifier, and the isolation pin is connected with the unbalanced port of the first differential conversion chip; The positive radio frequency output port and the negative radio frequency output port of the microcontroller are respectively connected to the first balance port and the second balance port of the second differential conversion chip; the unbalanced port of the second differential conversion chip is connected with the input port of the signal amplifier.
  2. 2. The dual-mode communication wireless monitoring circuit of claim 1, wherein the signal acquisition subcircuit further comprises a first radio frequency tuning chip, a second radio frequency tuning chip, and a third radio frequency tuning chip; The radio frequency negative port of the first radio frequency tuning chip is connected with the coupling port of the directional coupler and the radio frequency negative port of the second radio frequency tuning chip; and the radio frequency positive port of the second radio frequency tuning chip is connected with the radio frequency negative port of the third radio frequency tuning chip.
  3. 3. The dual mode communication wireless monitoring circuit of claim 1, wherein: When the dual-mode communication wireless monitoring circuit is used for receiving wireless signals, a signal receiving path is sequentially formed by the electromagnetic wave probe base, the directional coupler, the first differential conversion chip and the microcontroller.
  4. 4. The dual mode communication wireless monitoring circuit of claim 1, wherein: When the dual-mode communication wireless monitoring circuit is used for transmitting wireless signals, a signal transmission path is formed by the microcontroller, the second differential conversion chip, the signal amplifier, the directional coupler and the electromagnetic wave probe base in sequence.
  5. 5. The dual mode communication wireless monitoring circuit of claim 1, wherein: the electromagnetic wave probe base is connected with the circularly polarized electromagnetic wave receiving probe.
  6. 6. The dual mode communication wireless monitoring circuit of claim 1, wherein: the directional coupler is an XC0900P-10S chip.
  7. 7. The dual mode communication wireless monitoring circuit of claim 1, wherein: The first differential conversion chip and the second differential conversion chip are BD0810J50100A00 chips.
  8. 8. The dual mode communication wireless monitoring circuit of claim 2, wherein: The first radio frequency tuning chip, the second radio frequency tuning chip and the third radio frequency tuning chip are PE64906MLAA-Z chips.
  9. 9. The dual mode communication wireless monitoring circuit of claim 1, wherein: The microcontroller is also connected with an active crystal oscillator.
  10. 10. The dual mode communication wireless monitoring circuit of claim 1, wherein: the first differential conversion chip is used for converting the single-mode radio frequency signal received by the unbalanced port into a dual-mode radio frequency signal, the first balanced port outputs an anode radio frequency signal, and the second balanced port outputs a cathode radio frequency signal; The second differential conversion chip is used for converting the positive electrode radio frequency signal received by the first balance port and the negative electrode radio frequency signal received by the second balance port into a single-mode radio frequency signal, and the single-mode radio frequency signal is output by the unbalanced port.

Description

Dual-mode communication wireless monitoring circuit Technical Field The application relates to the technical field of communication system architecture, in particular to a dual-mode communication wireless monitoring circuit. Background In recent years, the dual-mode communication system architecture design (HPLC broadband power line carrier and HRF wireless communication) is a deep fusion of power line and wireless communication, and can dynamically select a communication path based on channel quality, so as to realize higher communication reliability and lower delay in a complex environment. In a wireless communication system, with increasing shortage of spectrum resources and continuous increase of the number of wireless devices, frequency interference and channel congestion between different devices are more and more prominent. Especially in the communication application of high frequency band (such as HRF frequency band), the background noise level between channels is different, if the background electromagnetic environment of each channel cannot be effectively evaluated, the communication quality is easily reduced, and the anti-interference capability of the system is insufficient. Currently, some wireless communication devices typically transmit data via a fixed channel, and lack means for detecting and evaluating the background noise level of multiple channels. In addition, the equipment with the detection function has lower integration level in structural design, and can only receive and process signals in a specific frequency band or a single channel, so that the requirement of uniformly detecting background signals of a plurality of channels is difficult to meet. Disclosure of utility model Therefore, the present application is directed to a dual-mode wireless monitoring circuit, which has the capability of receiving multi-channel electromagnetic signals, and can independently filter, convert and amplify signals of different channels, so as to overcome the defect that clutter on the channels in the existing wireless communication technology affects the network data communication quality and response efficiency. In a first aspect, an embodiment of the present application provides a dual-mode wireless communication monitoring circuit, including a signal acquisition sub-circuit, a signal amplification sub-circuit, and a signal measurement sub-circuit; The signal acquisition sub-circuit comprises an electromagnetic wave probe base, a directional coupler and a first differential conversion chip, wherein the signal amplification sub-circuit comprises a signal amplifier; The input port of the directional coupler is connected with the output port of the signal amplifier, and the isolation pin is connected with the unbalanced port of the first differential conversion chip; The positive radio frequency output port and the negative radio frequency output port of the microcontroller are respectively connected to the first balance port and the second balance port of the second differential conversion chip; the unbalanced port of the second differential conversion chip is connected with the input port of the signal amplifier. With reference to the first aspect, an embodiment of the present application provides a first possible implementation manner of the first aspect, where the signal acquisition sub-circuit further includes a first radio frequency tuning chip, a second radio frequency tuning chip, and a third radio frequency tuning chip; The radio frequency negative port of the first radio frequency tuning chip is connected with the coupling port of the directional coupler and the radio frequency negative port of the second radio frequency tuning chip; and the radio frequency positive port of the second radio frequency tuning chip is connected with the radio frequency negative port of the third radio frequency tuning chip. With reference to the first aspect, an embodiment of the present application provides a second possible implementation manner of the first aspect, where when the dual-mode communication wireless monitoring circuit is configured to receive a wireless signal, a signal receiving path is sequentially formed by the electromagnetic wave probe base, the directional coupler, the first differential conversion chip, and the microcontroller. With reference to the first aspect, an embodiment of the present application provides a third possible implementation manner of the first aspect, where when the dual-mode communication wireless monitoring circuit is configured to send a wireless signal, a signal sending path is formed by the microcontroller, the second differential conversion chip, the signal amplifier, the directional coupler, and the electromagnetic wave probe base. With reference to the first aspect, an embodiment of the present application provides a fourth possible implementation manner of the first aspect, where the electromagnetic wave probe base is connected to a circularly polarized elect