CN212908068U

CN212908068U - Terminal equipment and bluetooth antenna with bluetooth chip

Info

Publication number: CN212908068U
Application number: CN202021872147.7U
Authority: CN
Inventors: 卢坚
Original assignee: Shenzhen Kekehao Electronic Technology Co ltd
Current assignee: Shenzhen Kekehao Electronic Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-06
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a terminal device with a Bluetooth chip and a Bluetooth antenna, wherein the Bluetooth antenna comprises a signal arm and a ground arm which are arranged in a terminal shell, the signal arm comprises a first extension arm and a first main arm, and the ground arm comprises a second extension arm and a second main arm; the antenna comprises a signal arm, a first main arm, a second main arm, a first extension arm, a second extension arm, a sleeve and a second extension arm, wherein one end of the first extension arm is connected with the first main arm, one end of the second extension arm is connected with the second main arm, the other end of the first extension arm is provided with a feeding point, the other end of the first extension arm and the other end of the second extension arm are both sleeved in the sleeve, and antenna gain can be effectively improved by arranging the sleeve at the feeding point end of the signal arm, so that signal.

Description

Terminal equipment and bluetooth antenna with bluetooth chip

Technical Field

The utility model relates to a mobile communication technology field, in particular to terminal equipment and bluetooth antenna with bluetooth chip.

Background

Most of the existing Bluetooth earphones use ceramic antennas, the cost is relatively high, and other Bluetooth earphone antennas adopt hardware stamping metal sheet structures, so that the cost is reduced compared with that of a common ceramic antenna, but the antenna is high in assembly difficulty and easy to deform during batch production, and the Bluetooth communication distance is short.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terminal equipment and bluetooth antenna with bluetooth chip sets up the sleeve through the feed point end at the signal arm and can effectively improve antenna gain, and then effectively increases signal communication distance.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a Bluetooth antenna comprises a signal arm and a ground arm which are arranged in a terminal shell, wherein the signal arm comprises a first extension arm and a first main arm, and the ground arm comprises a second extension arm and a second main arm; one end of the first extension arm is connected with the first main arm, one end of the second extension arm is connected with the second main arm, the other end of the first extension arm is provided with a feeding point, and the other end of the first extension arm and the other end of the second extension arm are both sleeved in a sleeve.

In the Bluetooth antenna, the first main arm and the second main arm are both semi-annular cylinder arms, and the inner diameter and the outer diameter of the two semi-annular cylinder arms are equal; the two semi-annular cylinder arms are connected into a circular ring shape, and a gap is arranged at the joint.

In the Bluetooth antenna, the center of the two semi-annular cylinder arms is provided with a charging end, the charging end is a positive charging end, and the second main arm is a negative charging end.

In the bluetooth antenna, the first extension arm and the second extension arm are both rectangular cylinder arms.

In the bluetooth antenna, the terminal shell is a cylindrical shell, and the diameter of the cylindrical shell is not less than the outer diameter of the first main arm.

In the Bluetooth antenna, the width of the gap is 2.5mm-5 mm.

In the bluetooth antenna, the height of the sleeve is 1/3 of the height of the terminal shell.

The terminal equipment with the Bluetooth chip comprises a terminal shell and the Bluetooth chip, wherein the Bluetooth antenna is arranged in the terminal shell.

Compared with the prior art, the utility model provides a terminal equipment and bluetooth antenna with bluetooth chip, bluetooth antenna includes signal arm and ground arm that sets up in the terminal housing, the signal arm includes first extension arm and first main arm, the ground arm includes second extension arm and second main arm; the antenna comprises a signal arm, a first main arm, a second main arm, a first extension arm, a second extension arm, a sleeve and a second extension arm, wherein one end of the first extension arm is connected with the first main arm, one end of the second extension arm is connected with the second main arm, the other end of the first extension arm is provided with a feeding point, the other end of the first extension arm and the other end of the second extension arm are both sleeved in the sleeve, and antenna gain can be effectively improved by arranging the sleeve at the feeding point end of the signal arm, so that signal.

Drawings

Fig. 1 is the utility model provides a bluetooth antenna's schematic structure diagram.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1, the terminal device provided by the present invention includes a terminal housing 1, a bluetooth antenna and a bluetooth chip, wherein the bluetooth antenna includes a signal arm 10 and a ground arm 20 disposed in the terminal housing 1, the signal arm 10 includes a first extension arm 11 and a first main arm 12, and the ground arm 20 includes a second extension arm 21 and a second main arm 22; one end of the first extension arm 11 is connected to the first main arm 12, one end of the second extension arm 21 is connected to the second main arm 22, the other end of the first extension arm 11 is provided with a feeding point 13, and the other end of the first extension arm 11 and the other end of the second extension arm 21 are both sleeved in a sleeve 30, the sleeve 30 is a short-circuit sleeve, the feeding point 13 is connected with the radio frequency interface of the bluetooth chip, in practical application, a matching circuit can be added between the feeding point 13 and the radio frequency port of the bluetooth chip as required, in the utility model, the sleeve 30 is sleeved at the other end of the first extension arm 11 and the other end of the second extension arm 21, and the feeding point 13 provided by the first extension arm 11 is also sleeved in the sleeve 30, by arranging the sleeve 30 at the end of the feeding point 13 of the signal arm 10, the antenna gain can be effectively improved, and the uniform radiation of the antenna at 360 degrees can be ensured, the signal transmission is more stable and reliable and the transmission distance is longer.

Further, the first main arm 12 and the second main arm 22 are both semi-annular cylindrical arms, and the inner diameter and the outer diameter of the two semi-annular cylindrical arms are equal; the two semi-annular cylinder arms are connected into a circular ring shape, a gap 40 is arranged at the joint, a certain gap is arranged between the signal arm 10 and the ground arm 20 to form a radiation gap, and energy radiation is carried out through the radiation gap.

Further, the charging ends 50 are arranged at the centers of the two semi-circular cylinder arms, the charging end 50 is a positive charging end, and the second main arm 22 is a negative charging end, specifically, in this embodiment, the positive charging end of the power supply of the terminal device is arranged at the centers of the two semi-circular cylinder arms, and forms a positive charging port and a negative charging port with the second main arm 22, which is equivalent to multiplexing the negative charging port in the terminal device as a ground arm, so as to implement a highly integrated design with the terminal device.

Further, first extension arm 11 with second extension arm 21 is the rectangle cylinder arm, two rectangle cylinder arms set up perpendicularly respectively on two semi-ring shape cylinder arms, and two rectangle cylinder arms extend to same direction, so that establish the short circuit sleeve at the other pot head of first extension arm 11 and second extension arm 21, if two extension arms extend to opposite direction, then need more space volumes, be unfavorable for terminal equipment's miniaturized design, consequently extend to same direction with two extension arms in this application, abundant utilization space, be favorable to terminal equipment's miniaturization.

Further, the terminal housing 1 is a cylindrical housing, the diameter of the cylindrical housing is not less than the outer diameter of the first main arm 12, and the terminal housing 1 is designed to be a cylindrical housing so as to be sleeved with the bluetooth antenna; in order to completely sleeve the signal arm 10 and the ground arm 20, the width of the rectangular cylinder arm in this embodiment should be smaller than the outer diameter of the semi-annular cylinder arm, wherein, in order to fully utilize the space of the terminal device, the sleeve 30 is tightly attached to the inner wall of the cylindrical shell, thereby further realizing the highly integrated design of the bluetooth antenna structure and the terminal device.

Further, the gap width of the gap 40 is 2.5mm-5mm, and the radiation efficiency of the antenna can be effectively guaranteed to be better by arranging the radiation gap at the joint between the first main arm 12 and the second main arm 22, wherein the gap width is 2.5mm-5 mm.

Further, the height of the sleeve 30 is 1/3 of the height of the terminal housing 1, the sleeve 30 is disposed at the inner side of the terminal housing 1 and the end where the feeding point 13 of the first extension arm 11 is disposed, and the sleeve 30 is integrated with the terminal housing 1 at the inner wall of the terminal housing 1, so that the antenna radiation gain can be effectively improved, and the signal communication distance can be increased.

Further, the utility model discloses well signal wall 10 and ground arm 20 adopt soft FPC board or radium carving technology and the high integrated design of terminal casing 1 structure, greatly promote the antenna and lay space utilization, effectively improve because of interference between the structure that miniaturized design caused and shelter from the scheduling problem. Compared with other onboard antenna models and ceramic antennas, the omnidirectional 360-degree uniform radiation of the antenna can be guaranteed in a limited terminal structure space, so that the signal transmission is more stable and reliable and the transmission distance is longer.

The utility model also provides a bluetooth antenna, bluetooth antenna sets up the inside of terminal housing, wherein, be equipped with certain clearance between signal arm and the ground arm and form the radiation gap, carry out the energy radiation through the gap, and set up a sleeve through the feed end at bluetooth antenna and can effectively promote antenna radiation gain, and then effectively increase signal communication distance, because the above has carried out detailed description to this bluetooth antenna, no longer repeated here.

To sum up, the utility model provides a terminal equipment and bluetooth antenna with bluetooth chip, bluetooth antenna includes signal arm and ground arm that sets up in the terminal housing, the signal arm includes first extension arm and first main arm, the ground arm includes second extension arm and second main arm; the antenna comprises a signal arm, a first main arm, a second main arm, a first extension arm, a second extension arm, a sleeve and a second extension arm, wherein one end of the first extension arm is connected with the first main arm, one end of the second extension arm is connected with the second main arm, the other end of the first extension arm is provided with a feeding point, the other end of the first extension arm and the other end of the second extension arm are both sleeved in the sleeve, and antenna gain can be effectively improved by arranging the sleeve at the feeding point end of the signal arm, so that signal.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims

1. The Bluetooth antenna is characterized by comprising a signal arm and a ground arm which are arranged in a terminal shell, wherein the signal arm comprises a first extension arm and a first main arm, and the ground arm comprises a second extension arm and a second main arm; one end of the first extension arm is connected with the first main arm, one end of the second extension arm is connected with the second main arm, the other end of the first extension arm is provided with a feeding point, and the other end of the first extension arm and the other end of the second extension arm are both sleeved in a sleeve.

2. The bluetooth antenna according to claim 1, wherein the first main arm and the second main arm are each a semi-circular cylinder arm, and an inner diameter and an outer diameter of both the semi-circular cylinder arms are equal; the two semi-annular cylinder arms are connected into a circular ring shape, and a gap is arranged at the joint.

3. The bluetooth antenna according to claim 2, wherein a charging terminal is disposed at the center of the two semi-circular cylinder arms, the charging terminal is a positive charging terminal, and the second main arm is a negative charging terminal.

4. The bluetooth antenna of claim 2, wherein the first extension arm and the second extension arm are both rectangular cylindrical arms.

5. The bluetooth antenna according to claim 2, wherein the terminal housing is a cylindrical housing having a diameter not smaller than an outer diameter of the first main arm.

6. The bluetooth antenna according to claim 2, characterized in that the width of the gap is 2.5-5 mm.

7. The bluetooth antenna according to claim 5, characterized in that the height of the sleeve is 1/3 of the height of the terminal housing.

8. A terminal device having a bluetooth chip, comprising a terminal housing and a bluetooth chip, wherein the bluetooth antenna according to any one of claims 1 to 7 is disposed in the terminal housing.