CN216597976U - Antenna structure - Google Patents
Antenna structure Download PDFInfo
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- CN216597976U CN216597976U CN202123333475.7U CN202123333475U CN216597976U CN 216597976 U CN216597976 U CN 216597976U CN 202123333475 U CN202123333475 U CN 202123333475U CN 216597976 U CN216597976 U CN 216597976U
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- circuit board
- reflecting plate
- hard circuit
- hard
- antenna structure
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Abstract
The utility model discloses an antenna structure, which comprises a power division network circuit, a hard circuit board, an antenna oscillator, a reflecting plate and a connecting terminal; the hard circuit board is fixed on the reflecting plate; the power division network circuit is arranged on the hard circuit board; the antenna oscillator is arranged on the power distribution network circuit; the grounding end of the connecting terminal is connected with the reflecting plate, and the feed line terminal is connected with the power distribution network circuit. The utility model discloses a merit divide network scheme stable in process, the performance is high and need not the die sinking.
Description
Technical Field
The utility model relates to the field of communication technology, in particular to antenna structure.
Background
At present, in the field of base stations or small base stations, a scheme of integrating an antenna element and a power distribution network (power distribution network line) into one product has been applied to some extent. The scheme can realize modular production, thereby improving the overall yield of products and reducing the working hour of antenna assembly. The current integration schemes are:
1. the power division network circuit is arranged on the high-frequency PCB. The power division network circuit adopts a microstrip line structure. The microstrip line is formed by the lines of the PCB and the PCB itself. The antenna element adopts a high-frequency PCB, an FR4 PCB or a metal element. The disadvantage is that the high frequency PCB is expensive, and the PCB is used as a microstrip line medium, so that the loss is large.
2. Selective plating of plastic parts, such as LDS (LDSER DIRECT stuctrue) or LMP (laser MODIFIED plating), integrates power distribution network lines and antennas on one plastic part, and has the disadvantages that both LDS and LMP processes require laser for pre-plating treatment, and the processes are complicated, the productivity is not high, the yield is not high, and the mold must be opened, and the overall cost is high.
3. And (3) selectively plating the plastic part by adopting a two-color injection molding method, selecting a second color from the plating-available electroplating plastic, plating the power distribution network circuit on the second color, and then plating and electroplating. The whole plastic part is plated and electroplated, so that the size is large, the filling efficiency of the chemical plating tank is influenced, and the mold is opened, so that the cost is slightly high.
SUMMERY OF THE UTILITY MODEL
To the problem that the whole yield of current product is not high, the utility model provides an antenna structure.
In order to solve the technical problem, the utility model discloses a technical scheme does:
an antenna structure comprises a power division network circuit, a hard circuit board, an antenna oscillator, a reflecting plate and a connecting terminal; the hard circuit board is fixed on the reflecting plate, and a gap exists between the hard circuit board and the reflecting plate; the power division network circuit is arranged on the hard circuit board; the antenna oscillator is arranged on the power distribution network circuit; the grounding end of the connecting terminal is connected with the reflecting plate, and the feed line terminal is connected with the power distribution network circuit.
Preferably, the power division network circuit is arranged on one side of the hard circuit board, which is close to the reflecting plate.
Preferably, a spacer is disposed between the hard circuit board and the reflection plate.
Preferably, the upper surface of the reflection plate is provided with a protrusion.
Preferably, the hard circuit board is fixed to the reflection plate by rivets or screws.
Preferably, the hard circuit board is provided with slots or holes at two sides of the power distribution network circuit.
Preferably, the slots on both sides of the power distribution network line are one or more segments.
Preferably, the hard circuit board is a high-frequency board or an FR-4 epoxy glass cloth laminated board.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses utilize hard circuit board technology, accomplish the merit and divide the network circuit to the hard circuit board, form the air microstrip between merit and divide network circuit and reflecting plate, its cost is lower, difficult loss, and need not the die sinking, and the process is simpler, can do the productivity of improvement and improve the whole yield of product; the utility model discloses signal propagation loss is lower, process stability is good, has higher working property.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages.
Drawings
Fig. 1 is an exploded view of an antenna structure according to the present invention;
fig. 2 is a layout diagram of the power distribution network circuit of the present invention;
FIG. 3 is a structural diagram of the connection terminal of the present invention;
fig. 4 is the utility model discloses merit divides network line both sides fluting sketch map.
In the figure, 1-antenna element; 2-hard circuit board; 3-a reflector plate; 4-a connection terminal; 5-a screw; 6-cushion; 7-power division network line; 8-ground terminal; 9-a feeder terminal; 10-groove.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 4, an antenna structure includes a power division network circuit 7, a hard circuit board 2, an antenna element 1, a reflector 3, and a connection terminal 4; the hard circuit board 2 is fixed on the reflecting plate 3, and a gap exists between the hard circuit board 2 and the reflecting plate 3; the power division network circuit 7 is arranged on the hard circuit board 2; the antenna oscillator 1 is arranged on the power division network circuit 7; the grounding end 8 of the connecting terminal 4 is connected with the reflecting plate 3, and the feeder line end 9 is connected with the power distribution network circuit 7.
The working principle is as follows: the power distribution network circuit 7 is connected with the reflector plate 3 through the connecting terminal 4, the power distribution network circuit 7 couples and feeds signals to the antenna oscillator 1, and the reflector plate 3 is arranged to enable the signals transmitted in the power distribution network circuit 7 to be concentrated in the antenna oscillator 1 to the maximum extent. The power division network circuit 7 is arranged on the hard circuit board 2, so that the die sinking cost can be saved, and the process stability and consistency of the hard circuit board 2 are high.
In one embodiment, the power distribution network circuit 7 is disposed on the hard circuit board 2 near the side of the reflector 3.
In this embodiment, the power distribution network circuit 7 is implemented on the hard circuit board 2 by using a hard circuit board process, and an air microstrip is formed between the power distribution network circuit 7 and the reflection plate 3. Because the hard circuit board 2 is adopted to replace a plastic bracket to act as a sub-network carrier, the die sinking cost is at least saved, and the process stability and consistency of the hard circuit board 2 are improved.
In one embodiment, a spacer is disposed between the hard wired board 2 and the reflective plate 3.
In this embodiment, the distance between the hard circuit board 2 and the reflection plate 3 is ensured by spacers, and the spacers are uniformly arranged on the reflection plate 3.
In one embodiment, the upper surface of the reflection plate 3 is provided with a protrusion.
In this embodiment, the distance between the hard wiring board 2 and the reflection plate 3 is ensured by the projections, and the projections are uniformly formed on the upper surface of the reflection plate 3.
In one embodiment, the hard circuit board 2 is fixed to the reflection plate 3 with rivets or screws 5.
In this embodiment, through holes or screws 5 are uniformly formed in the hard circuit board 2 and the reflective plate 3, and the through holes or screws 5 on the hard circuit board correspond to the through holes or screws 5 on the reflective plate 3 one by one. Wherein, the hard circuit board 2 and the reflecting plate 3 can be fixed together by the through hole by using a rivet; the hard circuit board 2 and the reflection plate 3 can be fixed together through the screw 5 holes by using screws 5.
In one embodiment, the hard circuit board 2 is slotted 10 on both sides of the power distribution network circuit 7.
In this embodiment, slots 10 are formed on both sides of the power distribution network line 7, so as to transmit signals in the air, thereby reducing loss.
In one embodiment, the slots 10 on both sides of the power dividing network line 7 are one or more segments.
In this embodiment, the shapes and the numbers of the grooves 10 on both sides of the power distribution network line 7 are not limited, and for convenience of processing, the grooves may be rectangular parallelepiped structures, but not limited thereto.
In one embodiment, holes are opened on both sides of the power distribution network circuit 7 in order to make the signal propagate in the air, thereby reducing the loss.
In one embodiment, the hard wiring board 2 employs a high frequency board.
In this embodiment, the hard wiring board 2 may be a high frequency board, such as a PTFE substrate, or an FR-4 epoxy glass cloth laminate.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (8)
1. An antenna structure is characterized by comprising a power division network circuit, a hard circuit board, an antenna oscillator, a reflecting plate and a connecting terminal; the hard circuit board is fixed on the reflecting plate, and a gap exists between the hard circuit board and the reflecting plate; the power division network circuit is arranged on the hard circuit board; the antenna oscillator is arranged on the power distribution network circuit; the grounding end of the connecting terminal is connected with the reflecting plate, and the feed line terminal is connected with the power distribution network circuit.
2. An antenna structure according to claim 1, characterized in that: the power division network circuit is arranged on one side, close to the reflecting plate, of the hard circuit board.
3. An antenna structure according to claim 1, characterized in that: a gasket is arranged between the hard circuit board and the reflecting plate.
4. An antenna structure according to claim 1, characterized in that: the upper surface of the reflecting plate is provided with a bulge.
5. An antenna structure according to claim 1, characterized in that: the hard circuit board is fixed on the reflecting plate by rivets or screws.
6. An antenna structure according to claim 1, characterized in that: and the hard circuit board is provided with grooves or holes at two sides of the power distribution network circuit.
7. An antenna structure according to claim 6, characterized in that: the grooves on two sides of the power division network line are one section or multiple sections.
8. An antenna structure according to claim 1, characterized in that: the hard circuit board is a high-frequency board or an FR-4 epoxy glass cloth laminated board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123333475.7U CN216597976U (en) | 2021-12-28 | 2021-12-28 | Antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123333475.7U CN216597976U (en) | 2021-12-28 | 2021-12-28 | Antenna structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216597976U true CN216597976U (en) | 2022-05-24 |
Family
ID=81630185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123333475.7U Active CN216597976U (en) | 2021-12-28 | 2021-12-28 | Antenna structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216597976U (en) |
-
2021
- 2021-12-28 CN CN202123333475.7U patent/CN216597976U/en active Active
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