Method for detecting antenna connection state
A connection status and antenna technology, applied in the field of antennas, can solve problems such as high cost and complexity
Inactive Publication Date: 2020-05-19
SHENZHEN JIFU MEDICAL TECH CO LTD
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[0005] In order to solve the problem that the existing technical solution for detecting the antenna connection state in the field of capsule endoscopy is too complicated and the cost is high, the present invention proposes a method for detecting the connection state of the antenna in the field of capsule endoscopy. The technology of the present invention The scheme is as follows:
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[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0023] Please refer to figure 1 It is a functional block diagram of the system of the present invention, including a PCB board 10, which includes a radio frequency circuit 101, one end of the radio frequency microstrip line 102 is connected to the radio frequency circuit 101, and the other end is connected to the antenna port 103; the antenna 104 is connected to the antenna port 103; port detection The circuit 105 , the coupled microstrip line 106 , the RF microstrip line 102 and the coupled microstrip line 106 together form a coupling circuit. One end of the coupl...
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The invention discloses a method for detecting an antenna connection state, comprising interconnected antennas, an antenna port, a grounding resistor, a radio frequency circuit, a radio frequency microstrip line, a port detection circuit and a coupling microstrip line, wherein two ends of the radio frequency microstrip line are respectively connected with the radio frequency circuit and the antenna port, two ends of the coupling microstrip line are respectively connected with the grounding resistor and the port detection circuit, the radio frequency microstrip line and the coupling microstripline jointly form a coupling circuit, the radio frequency circuit is used for processing transmitted and received signals, the radio frequency microstrip line is used for transmitting a radio frequency signal, the coupling microstrip line is used for coupling the radio frequency signal, and the port detection circuit is used for converting a signal coupled by the coupling microstrip line into a voltage signal. By the adoption of the method for detecting the antenna connection state, the problems that in the field of capsule endoscopes, the technical scheme for detecting the antenna connectionstate in the prior art is too complex, and the cost is high are solved.
Description
technical field [0001] The antenna field of the present invention, in particular, relates to a method for detecting the connection state of an antenna. Background technique [0002] The radio frequency transmitter is connected to the antenna to make the transmission more convenient. For the convenience of design, the antenna and the main control board will be designed separately. Affected by external force, the antenna may not be firmly connected, resulting in loosening or disconnection. In order to avoid this phenomenon, an antenna connection detection method is added to detect the antenna connection before work. [0003] Chinese Patent No. 2006100877748 discloses a connection state detection device for an integrated antenna and a car navigation device. It provides a resistance value that can reduce the resistance value of the current consumption detection resistance, and can reliably detect the connection state without interference signals. Affects integrated antennas for...
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IPC IPC(8): H04B17/10H04B17/20
CPCH04B17/10H04B17/20
Inventor 晏海波解郭军王林杨业升
Owner SHENZHEN JIFU MEDICAL TECH CO LTD