CN-122000661-A - Antenna system and electronic device

Abstract

The disclosure provides an antenna system and electronic equipment, and relates to the technical field of antennas. The antenna system is applied to electronic equipment, the electronic equipment is provided with a main circuit board, the main circuit board is provided with a wireless communication module and an LED control chip, the antenna system comprises an antenna radiator and a coaxial cable, the antenna radiator is arranged on a secondary circuit board with an LED lamp effect module, the antenna radiator is connected with a radio frequency port of the wireless communication module through a central conductor of the coaxial cable, the LED lamp effect module is connected with the main circuit board through the central conductor, the main circuit board is used for supplying power to the LED lamp effect module through the central conductor, the LED lamp effect module is connected with the LED control chip through a shielding layer of the coaxial cable, and the LED control chip is used for controlling the LED lamp effect module to display corresponding lamp effect through outputting LED control signals. The antenna has the advantages that equipment space is efficiently saved, assembly difficulty is reduced, good radio frequency functions of the antenna can be guaranteed, and diversified functional requirements of the LED lamp can be met.

Inventors

• ZHANG WENZHI
• CAO LILI
• WANG RONG

Assignees

• 联宝(合肥)电子科技有限公司

Dates

Publication Date

20260508

Application Date

20260211

Claims (10)

1. 1. The utility model provides an antenna system, is applied to electronic equipment, electronic equipment is provided with main circuit board, main circuit board is provided with wireless communication module and LED control chip, its characterized in that: The antenna system comprises an antenna radiator and a coaxial cable, wherein the antenna radiator is arranged on a secondary circuit board with an LED lamp effect module; The antenna radiator is connected with a radio frequency port of the wireless communication module through a central conductor of the coaxial cable, the LED lamp effect module is connected with the main circuit board through the central conductor, and the main circuit board is used for supplying power to the LED lamp effect module through the central conductor; the LED lamp effect module is connected with the LED control chip through the shielding layer of the coaxial cable, and the LED control chip is used for controlling the LED lamp effect module to display corresponding lamp effect through outputting an LED control signal.
2. 2. The antenna system according to claim 1, wherein the sub-circuit board is provided with: And the central conductor is connected with the antenna radiator through the matching network, and the matching network is used for matching the impedance of the antenna radiator with the target impedance of the coaxial cable.
3. 3. The antenna system of claim 2, wherein the main circuit board is provided with a first capacitive element through which the radio frequency port of the wireless communication module is connected to the center conductor; the secondary circuit board is provided with a second capacitive element through which the center conductor is connected to the matching network.
4. 4. The antenna system according to claim 1, characterized in that the main circuit board is provided with a first inductive element and a voltage source for powering the LED lighting module, the voltage source being connected to the central conductor through the first inductive element; the secondary circuit board is provided with a first filter circuit, and the central conductor is connected with the LED lamp effect module through the first filter circuit.
5. 5. The antenna system of claim 1, wherein the LED light efficiency module comprises an LED driver chip and an LED light bead electrically connected to the LED driver chip; The main circuit board is connected with a power supply pin of the LED driving chip through the central conductor; The LED control chip transmits the LED control signal to a signal pin of the LED driving chip through the shielding layer; The LED driving chip is used for driving the LED lamp beads to display corresponding lamp effects by analyzing the LED control signals.
6. 6. The antenna system of claim 5, wherein the antenna system further comprises: the first radio frequency connector is arranged on the main circuit board; The second radio frequency connector is arranged on the secondary circuit board; The coaxial cable is provided with a first end and a second end which are oppositely arranged, wherein the shielding layer of the first end of the coaxial cable is connected with the LED control chip through the outer conductor of the first radio frequency connector, and the shielding layer of the second end of the coaxial cable is connected with the signal pin of the LED driving chip through the outer conductor of the second radio frequency connector; The main circuit board is provided with a third capacitive element, and an external conductor of the first radio frequency connector is grounded through the third capacitive element; the secondary circuit board is provided with a fourth capacitive element through which an outer conductor of the second radio frequency connector is grounded.
7. 7. The antenna system of claim 6, wherein the main circuit board is provided with a second filter circuit, and the LED control chip is connected to the external conductor of the first radio frequency connector through the second filter circuit; the secondary circuit board is provided with a third filter circuit, and an external conductor of the second radio frequency connector is connected with a signal pin of the LED driving chip through the third filter circuit.
8. 8. The antenna system of claim 1, wherein the antenna radiator comprises a main antenna radiator and an auxiliary antenna radiator disposed on both sides of the LED light module; The secondary circuit board is provided with an isolation branch adjacent to the auxiliary antenna radiator, and the length direction of the isolation branch is perpendicular to the length direction of the auxiliary antenna radiator; For any target antenna radiator of the main antenna radiator and the auxiliary antenna radiator, a grounding part is arranged on the auxiliary circuit board within a preset distance range from the edge of the target antenna radiator, and the grounding part is connected with a metal shell of the electronic equipment, wherein the preset distance range is determined according to the working frequency range of the target antenna radiator.
9. 9. The antenna system of claim 1, wherein the secondary circuit board is disposed in a non-shielded area outside a metal housing of the electronic device, and a distance between the secondary circuit board and the metal housing is 6 mm-10 mm.
10. 10. An electronic device, comprising: a metal housing; the main circuit board is arranged inside the metal shell and is provided with a wireless communication module and an LED control chip; the secondary circuit board is arranged outside the metal shell and is provided with an LED lamp effect module; The antenna system of any one of claims 1-9, wherein the antenna system is electrically connected to the main circuit board and the sub-circuit board, respectively.

Description

Antenna system and electronic device Technical Field The disclosure relates to the field of antenna technology, and in particular, to an antenna system and an electronic device. Background Desktop hosts and edge computing type devices often employ a ferrous antenna with an assembly location that is located at either the front or back end of the host. Because the iron antenna is bigger in size, more internal space is occupied, so that the internal layout of the equipment is compact, and the design and assembly difficulty is increased. In addition, the assembly process of the antenna is complex, and more manpower and time cost are required. In the transportation and assembly links, the iron antenna has weak external impact resistance due to structural characteristics, is extremely easy to damage due to collision, extrusion and other reasons, and can obviously influence the signal receiving and transmission performance of equipment once damaged, thereby reducing the stability and reliability of the integral operation of the equipment. In addition, such devices are often equipped with LED (LIGHT EMITTING Diode) light effects, and a PCB (Printed Circuit Board ) needs to be separately provided, which further aggravates the problem of device space occupation and increases assembly costs. Disclosure of Invention The disclosure provides an antenna system and an electronic device, which can solve the technical problems of high equipment space occupation and assembly cost caused by the need of independently designing an iron antenna and an LED lamp for the electronic devices such as a desktop host and edge computing type equipment. According to the first aspect of the disclosure, an antenna system is provided and applied to electronic equipment, the electronic equipment is provided with a main circuit board, the main circuit board is provided with a wireless communication module and an LED control chip, the antenna system comprises an antenna radiator and a coaxial cable, the antenna radiator is arranged on a secondary circuit board with an LED lamp effect module, the antenna radiator is connected with a radio frequency port of the wireless communication module through a central conductor of the coaxial cable, the LED lamp effect module is connected with the main circuit board through the central conductor, the main circuit board is used for supplying power to the LED lamp effect module through the central conductor, the LED lamp effect module is connected with the LED control chip through a shielding layer of the coaxial cable, and the LED control chip is used for controlling the LED lamp effect module to display corresponding lamp effect through outputting LED control signals. According to the embodiment of the disclosure, the secondary circuit board is provided with a matching network, wherein the central conductor is connected with the antenna radiator through the matching network, and the matching network is used for matching the impedance of the antenna radiator with the target impedance of the coaxial cable. According to the embodiment of the disclosure, the main circuit board is provided with a first capacitance element, the radio frequency port of the wireless communication module is connected with the central conductor through the first capacitance element, the auxiliary circuit board is provided with a second capacitance element, and the central conductor is connected with the matching network through the second capacitance element. According to the embodiment of the disclosure, a main circuit board is provided with a first inductance element and a voltage source for supplying power to the LED lamp effect module, the voltage source is connected with a central conductor through the first inductance element, a secondary circuit board is provided with a first filter circuit, and the central conductor is connected with the LED lamp effect module through the first filter circuit. According to the embodiment of the disclosure, the LED lamp effect module comprises an LED driving chip and an LED lamp bead electrically connected with the LED driving chip, a main circuit board is connected with a power supply pin of the LED driving chip through a central conductor, the LED control chip transmits LED control signals to a signal pin of the LED driving chip through a shielding layer, and the LED driving chip is used for driving the LED lamp bead to display corresponding lamp effect through analyzing the LED control signals. According to the embodiment of the disclosure, the antenna system further comprises a first radio frequency connector arranged on the main circuit board, a second radio frequency connector arranged on the auxiliary circuit board, and a coaxial cable provided with a first end and a second end which are oppositely arranged, wherein a shielding layer at the first end of the coaxial cable is connected with the LED control chip through an outer conductor of the first radio frequency connector, a shielding