CN211088510U - Antenna device and phased array antenna - Google Patents
Antenna device and phased array antenna Download PDFInfo
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- CN211088510U CN211088510U CN202020226859.5U CN202020226859U CN211088510U CN 211088510 U CN211088510 U CN 211088510U CN 202020226859 U CN202020226859 U CN 202020226859U CN 211088510 U CN211088510 U CN 211088510U
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Abstract
The utility model discloses an antenna device and phased array antenna for be convenient for manufacturing. The utility model discloses antenna device includes radiation surface printing board, active circuit printing board and radio frequency chip. The radiation surface printed board is connected with the active circuit printed board, and a groove body is arranged between the radiation surface printed board and the active circuit printed board. The tank body is used for accommodating the radio frequency chip. The radio frequency chip is arranged on one side of the active circuit printed board close to the radiation surface printed board and is positioned in the groove body. After the radiation surface printed board and the active circuit printed board are processed, the radio frequency chip is arranged on the active circuit printed board and connected with the radiation surface printed board and the active circuit printed board, and the radio frequency chip can be positioned in the groove body so as to realize electromagnetic shielding and air sealing of the radio frequency chip. In such a way, the radiation surface printed board and the active circuit printed board are connected, so that electromagnetic shielding and air sealing of the radio frequency chip can be realized, and the antenna device is convenient to process and manufacture.
Description
Technical Field
The utility model relates to a communication equipment technical field especially relates to an antenna device and phased array antenna.
Background
The antenna equipment is provided with a radio frequency chip which is a multifunctional radio frequency chip and can have the functions of phase shifting, attenuating power, amplifying power and the like.
At present, most antenna structures, such as phased array antenna structures, laminate and integrate a radiation plane printed board and an active circuit printed board to obtain a whole laminated printed board, as shown in fig. 1. Then, a radio frequency chip is soldered to the back surface of the entire laminated printed board. A metal plate is closely attached to the back of the laminated printed board. And processing an additional metal cavity at the position, corresponding to the radio frequency chip, on the metal plate so as to accommodate the radio frequency chip and realize electromagnetic shielding and air sealing of the radio frequency chip.
And the radiation surface printed board and the active circuit printed board are laminated and integrally formed, the radio frequency chip is arranged on the back surface of the laminated printed board, and a metal cavity is processed on the metal board. The whole antenna has multiple manufacturing procedures and complex processing technology.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an antenna device and phased array antenna for be convenient for manufacturing.
To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:
an antenna device, comprising:
a radiation surface printed board;
the radiation surface printed board is connected with the active circuit printed board, and a groove body is arranged between the radiation surface printed board and the active circuit printed board;
the radio frequency chip is arranged on one side, close to the radiation face printed board, of the active circuit printed board and is located in the groove body.
Optionally, the tank comprises a first tank and a second tank;
the first groove body is arranged on one side of the radiation plane printed board close to the active circuit printed board;
the second groove body is arranged on one side of the active circuit printed board close to the radiation plane printed board;
the opening of the first groove body is communicated with the opening of the second groove body.
Optionally, the cross-section of the first channel is the same as the cross-section of the second channel.
Optionally, the slot is disposed on the radiation plane printed board or the active circuit printed board.
Optionally, the antenna device further comprises a metal plate;
the metal plate and one side of the active circuit printed board far away from the radiation surface printed board are connected.
Optionally, the antenna device further comprises an electrically conductive connection face;
one side of the conductive connecting surface is connected with the radiation surface printed board, and the other side of the conductive connecting surface is connected with the active circuit printed board.
Optionally, the conductive connection surface is a conductive adhesive film.
Optionally, the radio frequency chip is one of a radio frequency receiving chip, a radio frequency transmitting chip, and a radio frequency transceiving chip.
To achieve the purpose, the embodiment of the present invention further adopts the following technical solutions:
a phased array antenna comprising a radome, an antenna device, and a channel module;
the antenna device is positioned between the radome and the channel module;
the antenna device is the antenna device as described above.
The utility model has the advantages that:
the utility model discloses antenna device includes radiation surface printing board, active circuit printing board and radio frequency chip. The radiation surface printed board is connected with the active circuit printed board, and a groove body is arranged between the radiation surface printed board and the active circuit printed board. The tank body is used for accommodating the radio frequency chip. The radio frequency chip is arranged on one side of the active circuit printed board close to the radiation surface printed board and is positioned in the groove body. In this way, after the radiation surface printed board and the active circuit printed board are processed, the radio frequency chip is arranged on the active circuit printed board and connected with the radiation surface printed board and the active circuit printed board, and the radio frequency chip can be positioned in the groove body so as to realize electromagnetic shielding and air sealing of the radio frequency chip. In such a way, the radiation surface printed board and the active circuit printed board are connected, so that electromagnetic shielding and air sealing of the radio frequency chip can be realized, and the antenna device is convenient to process and manufacture.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is an exploded view of a conventional antenna device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a phased array antenna according to another embodiment of the present invention;
fig. 3 is an exploded view of an antenna device according to another embodiment of the present invention;
fig. 4 is an exploded view of an antenna device according to another embodiment of the present invention;
fig. 5 is an exploded view of an antenna device according to another embodiment of the present invention;
fig. 6 is a schematic diagram of an antenna device according to another embodiment of the present invention.
In the figure:
1. a radiation surface printed board; 2. an active circuit printed board; 3. a trough body; 31. a first tank body; 32. a second tank body; 4. a radio frequency chip; 5. a metal plate; 6. a conductive connection surface; 7. an antenna cover; 8. a heat sink; 9. a channel module; 10. a wave control power supply integrated module; 11. and (7) a cover plate.
Detailed Description
An embodiment of the utility model provides an antenna device and phased array antenna for be convenient for manufacturing.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Fig. 2 is a schematic structural diagram of a phased array antenna according to an embodiment of the present invention. As shown in fig. 2, the phased array antenna according to the embodiment of the present invention includes an antenna cover 7, a radiation surface printed board 1, an active circuit printed board 2, and a heat dissipation device 8, which are connected in sequence. And the channel module 9 and the wave-control power supply integration module 10 are connected to the side of the heat sink 8 away from the active circuit printed board 2. The channel module 9 and the wave control power supply integrated module 10 are also connected with a cover plate 11.
The phased array antenna further comprises a radio frequency chip 4, wherein a groove body 3 is arranged between the radiation surface printed board 1 and the active circuit printed board 2, and the radio frequency chip 4 is positioned in the groove body 3. The radio frequency chip 4 is connected to the active circuit printed board 2.
The radiation plane printed board 1, the active circuit printed board 2, the radio frequency chip 4, and the heat sink 8 form an antenna device.
Next, the antenna device according to an embodiment of the present invention is described in detail.
Fig. 3 is a schematic diagram of an antenna device according to an embodiment of the present invention. As shown in fig. 3, the antenna device according to the embodiment of the present invention includes a radiation surface printed board 1, an active circuit printed board 2, and a radio frequency chip 4.
The radiation surface printed board 1 is connected with the active circuit printed board 2, and a groove 3 is arranged between the radiation surface printed board 1 and the active circuit printed board 2.
The radio frequency chip 4 is disposed on the side of the active circuit printed board 2 close to the radiation plane printed board 1. The utility model discloses radio frequency chip 4 and active circuit printing board 2 of embodiment are connected. The connection of the radio-frequency chip 4 and the active circuit printed board 2 is performed in various ways, for example, the radio-frequency chip 4 is soldered to the active circuit printed board 2.
Wherein, the radio frequency chip 4 is positioned in the tank body 3. In other words, the slot 3 is used for accommodating the rf chip 4.
Thus, after the radiation surface printed board 1 and the active circuit printed board 2 are respectively processed, the radio frequency chip 4 is arranged on the active circuit printed board 2, and then the radiation surface printed board 1 and the active circuit printed board 2 are connected, so that the radio frequency chip 4 can be positioned in the groove body 3 between the radiation surface printed board 1 and the active circuit printed board 2, the electromagnetic shielding and the air sealing of the radio frequency chip 4 are realized, and a normal working environment is provided for the radio frequency chip 4. Electromagnetic shielding and air sealing of the radio frequency chip 4 can be realized by connecting the radiation surface printed board 1 and the active circuit printed board 2, and the antenna device is convenient to process and manufacture.
It should be understood that, in the embodiment of the present invention, the radiation plane printed board 1 may also be referred to as an antenna array plane printed board, and may be located at the front end of the phased array antenna system, and the radiation plane printed board 1 is used for receiving or transmitting radio frequency signals, or receiving and transmitting radio frequency signals.
The active circuit printed board 2 can be connected with a radio frequency chip 4, a wave control circuit, a power supply circuit, a power synthesis (distribution) network and the like. The active circuit printed board 2 has a plurality of functions, for example, signals received by the receiving antenna array surface are subjected to filtering amplification, amplitude modulation and phase modulation, then power synthesis, and then transmitted to the channel module 9; or, the signal transmitted by the channel module 9 is transmitted to the transmitting antenna array surface after being subjected to power distribution, amplitude modulation and phase modulation and power amplification.
The utility model discloses cell body 3 of embodiment has multiple concrete implementation. Three of these examples are given below.
Example one:
as shown in fig. 3, the tank 3 includes a first tank 31 and a second tank 32. Wherein the first tank 31 is provided on the side of the radiation plane printed board 1 close to the active circuit printed board 2. The second tank 32 is provided on the side of the active circuit printed board 2 close to the radiation plane printed board 1. The opening of the first tank 31 communicates with the opening of the second tank 32.
Thus, when the radiation plane printed board 1 and the active circuit printed board 2 are connected, the first groove 31 of the radiation plane printed board 1 and the second groove 32 of the active circuit printed board 2 are combined to form the groove 3. In such a setting mode, the first groove body 31 on the radiation surface printed board 1 and the second groove body 32 on the active circuit printed board 2 do not need to be manufactured deeply, and the groove body 3 with a large volume can be obtained after the first groove body 31 and the second groove body 32 are combined, so that the groove body 3 is processed on the antenna device simply.
In order to make the combined slot 3 favorable for accommodating the rf chip 4, the cross section of the first slot 31 and the cross section of the second slot 32 are optionally the same. Thus, the shape of the tank 3 obtained by combining the first tank 31 and the second tank 32 is regular, and when the shape of the rf chip 4 is regular, the rf chip 4 can be accommodated in the tank 3 with a smaller volume.
Example two:
as shown in fig. 4, the slot body 3 is provided on the radiation plane printed board 1. Namely, a groove is dug at one side of the radiation plane printed board 1 close to the active circuit printed board 2, so as to obtain a groove body 3.
The radio frequency chip 4 is arranged on one side of the active circuit printed board 2 close to the radiation plane printed board 1, and after the radiation plane printed board 1 is connected with the active circuit printed board 2, the groove 3 on the radiation plane printed board 1 accommodates the radio frequency chip 4.
Example three:
as shown in fig. 5, the slot body 3 is provided on the active circuit printed board 2. In other words, a groove is dug in the side of the active circuit printed board 2 close to the radiation plane printed board 1, resulting in the groove body 3. For example, as shown in fig. 5, a groove is formed on the surface of the active circuit printed board 2, that is, a groove body 3 for accommodating the rf chip 4 is obtained.
Then, the radio frequency chip 4 is placed in the tank 3, and the radio frequency chip 4 is connected to the bottom of the tank 3, so that the radio frequency chip 4 is connected to the active circuit printed board 2. Then, the radiation plane printed board 1 and the active circuit printed board 2 are connected.
It should be understood that, in the embodiment of the present invention, the specific shape of the slot body 3 may be various, as long as the radio frequency chip 4 can be accommodated, and the radio frequency chip 4 is mounted on the active circuit printed board 2.
In order to achieve support and heat dissipation of the components such as the active circuit printed board 2, the antenna device optionally further includes a metal plate 5, as shown in fig. 6. The metal plate 5 and the side of the active circuit printed board 2 remote from the radiation plane printed board 1 are connected. Thus, the active circuit printed board 2 is located between the metal plate 5 and the radiation plane printed board 1.
Among them, the metal plate 5 and the active circuit printed board 2 are connected in various ways, for example, by contact. The supporting and heat dissipating functions of the metal plate 5 can be achieved by the contact of the metal plate 5 and the active circuit printed board 2.
The radio frequency chip 4 during operation produces the heat, and the heat transfer of radio frequency chip 4 is to active circuit printed board 2, through the butt of active circuit printed board 2 and metal sheet 5 for the heat of radio frequency chip 4 passes through active circuit printed board 2 and transmits to metal sheet 5, in order to realize thermal heat dissipation. Also, the metal plate 5 may support the active circuit printed board 2, thereby supporting the radiation plane printed board 1.
The utility model discloses antenna device, metal sheet 5 and active circuit printing board 2 keep away from one side of radiation face printing board 1 and connect. The radio frequency chip 4 is disposed in the tank 3 between the radiation plane printed board 1 and the active circuit printed board 2. Compare with the scheme that sets up radio frequency chip 4 in one side that active circuit printed board 2 is close to metal sheet 5, for example compare with the scheme shown in fig. 1, the utility model discloses antenna device need not to set up the metal cavity of holding radio frequency chip 4 in one side that metal sheet 5 is close to active circuit printed board 2, thereby, the utility model discloses in the antenna device of embodiment, active circuit printed board 2 and metal sheet 5's area of contact increase more is favorable to radio frequency chip 4's heat dissipation. Therefore, the utility model discloses when the antenna device is effectual to be improved radio frequency chip 4's heat dissipation problem, the electromagnetic shield and the airtight problem of radio frequency chip 4 have been solved through the connection of radiation face printing board 1 and active circuit printing board 2.
It should be understood that in some embodiments of the present invention, the antenna device includes the heat dissipation device 8, the heat dissipation device 8 includes parts such as metal plate 5 and fan, that is, the metal plate 5 is a part of the heat dissipation device 8, the metal plate 5 of the heat dissipation device 8 is connected with the active circuit printed board 2, so that the heat of the radio frequency chip 4 is transmitted to the metal plate 5 through the active circuit printed board 2, then the fan blows out the air current to the metal plate 5, so as to accelerate the heat dissipation of the metal plate 5, thus, the present invention has a better effect on the heat dissipation of the radio frequency chip 4.
There are various ways to connect the radiation plane printed board 1 and the active circuit printed board 2, for example, by providing a support frame on the peripheries of the radiation plane printed board 1 and the active circuit printed board 2, and supporting the radiation plane printed board 1 and the active circuit printed board 2 by the support frame, so that the radiation plane printed board 1 and the active circuit printed board 2 are attached to each other.
In a particular implementation, the antenna arrangement further comprises an electrically conductive connection surface 6, as shown in fig. 6. One side of the conductive connection surface 6 is connected to the radiation surface printed board 1, and the other side of the conductive connection surface 6 is connected to the active circuit printed board 2.
Thus, after the radiation plane printed board 1 and the active circuit printed board 2 are processed separately, the radiation plane printed board 1 and the active circuit printed board 2 can be connected by the conductive connection surface 6. Also, the conductive connection face 6 enables the Ground (GND) of the radiation plane printed board 1 and the active circuit printed board 2 to be effectively connected and conducted.
The conductive connection surface 6 can be implemented in various ways, for example, the conductive connection surface 6 is a conductive adhesive film. Or, the conductive connection surface 6 is solder or conductive adhesive, etc., and the embodiment of the present invention is not limited to this specifically.
Like this, compare with the scheme with radiation face printing board and active circuit printing board integration lamination, the utility model discloses antenna device can part processing with radiation face printing board 1 and active circuit printing board 2, then, connects radiation face printing board 1 and active circuit printing board 2 through conductive connection face 6, for example uses conductive adhesive film to bond radiation face printing board 1 and active circuit printing board 2. By such a manner, the difficulty of the processing technique of the radiation plane printed board 1 and the active circuit printed board 2 is reduced, so that the processing cost of the radiation plane printed board 1 and the active circuit printed board 2 is reduced, and the processing yield of the antenna device is improved.
In addition, in the scheme of integrally laminating the radiation plane printed board and the active circuit printed board, the performance of the radiation plane printed board and the performance of the active circuit printed board cannot be respectively tested. The utility model discloses antenna device can part processing with radiation face printing board 1 and active circuit printing board 2 to can test radiation face printing board 1 and active circuit printing board 2's performance respectively, can fix a position the problem fast like this in the test procedure.
It should be understood that the antenna device of the embodiment of the present invention may be applied to receive signals, transmit signals, or transceive signals. Optionally, the radio frequency chip 4 is one of a radio frequency receiving chip, a radio frequency transmitting chip, and a radio frequency transceiving chip.
Specifically, when the antenna device is applied to receive signals, the radio frequency chip 4 is a radio frequency receiving chip; when the antenna device is applied to transmitting signals, the radio frequency chip 4 is a radio frequency transmitting chip; when the antenna device is used for transmitting and receiving signals, the radio frequency chip 4 is a radio frequency transmitting and receiving chip.
To sum up, the utility model discloses antenna device includes radiation face printing board 1, active circuit printing board 2 and radio frequency chip 4. The radiation surface printed board 1 is connected with the active circuit printed board 2, and a groove 3 is arranged between the radiation surface printed board 1 and the active circuit printed board 2. The tank 3 is used for accommodating the radio frequency chip 4. The radio frequency chip 4 is arranged on one side of the active circuit printed board 2 close to the radiation plane printed board 1, and the radio frequency chip 4 is positioned in the groove body 3. Thus, after the radiation surface printed board 1 and the active circuit printed board 2 are processed, the radio frequency chip 4 is arranged on the active circuit printed board 2 to connect the radiation surface printed board 1 and the active circuit printed board 2, and the radio frequency chip 4 can be positioned in the tank body 3 to realize electromagnetic shielding and air sealing of the radio frequency chip 4. In this way, the radiation surface printed board 1 and the active circuit printed board 2 are connected to realize electromagnetic shielding and airtight sealing of the radio frequency chip 4, thereby facilitating the processing and manufacturing of the antenna device.
The embodiment of the utility model provides a phased array antenna is still provided, including antenna house 7, antenna device and channel module 9.
Wherein the antenna arrangement is located between the radome 7 and the channel module 9.
The antenna device is the antenna device described in the above embodiments. Such as the antenna arrangements of the embodiments shown in fig. 3-6. For specific implementation of the antenna device, reference may be made to the detailed description of the above embodiments, which is not repeated herein.
It should be understood that the phased array antenna may also include other components, for example, the phased array antenna of embodiments of the present invention is the phased array antenna shown in fig. 2.
To sum up, the utility model discloses phased array antenna of embodiment includes antenna house 7, antenna device and channel module 9. The antenna arrangement is located between the radome 7 and the channel module 9. The antenna device includes a radiation plane printed board 1, an active circuit printed board 2, and a radio frequency chip 4. The radiation surface printed board 1 is connected with the active circuit printed board 2, and a groove 3 is arranged between the radiation surface printed board 1 and the active circuit printed board 2. The tank 3 is used for accommodating the radio frequency chip 4. The radio frequency chip 4 is arranged on one side of the active circuit printed board 2 close to the radiation plane printed board 1, and the radio frequency chip 4 is positioned in the groove body 3. Thus, after the radiation surface printed board 1 and the active circuit printed board 2 are processed, the radio frequency chip 4 is arranged on the active circuit printed board 2 to connect the radiation surface printed board 1 and the active circuit printed board 2, and the radio frequency chip 4 can be positioned in the tank body 3 to realize electromagnetic shielding and air sealing of the radio frequency chip 4. In this way, the radiation surface printed board 1 and the active circuit printed board 2 are connected to realize electromagnetic shielding and airtight sealing of the radio frequency chip 4, thereby facilitating the processing and manufacturing of the antenna device.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. An antenna device, comprising:
a radiation surface printed board;
the radiation surface printed board is connected with the active circuit printed board, and a groove body is arranged between the radiation surface printed board and the active circuit printed board;
the radio frequency chip is arranged on one side, close to the radiation face printed board, of the active circuit printed board and is located in the groove body.
2. The antenna device of claim 1,
the tank body comprises a first tank body and a second tank body;
the first groove body is arranged on one side of the radiation plane printed board close to the active circuit printed board;
the second groove body is arranged on one side of the active circuit printed board close to the radiation plane printed board;
the opening of the first groove body is communicated with the opening of the second groove body.
3. The antenna device according to claim 2,
the cross section of the first groove body is the same as that of the second groove body.
4. The antenna device of claim 1,
the tank body is arranged on the radiation surface printed board or the active circuit printed board.
5. The antenna device of claim 1,
the antenna device further includes a metal plate;
the metal plate and one side of the active circuit printed board far away from the radiation surface printed board are connected.
6. The antenna device of claim 1,
the antenna device further comprises a conductive connection surface;
one side of the conductive connecting surface is connected with the radiation surface printed board, and the other side of the conductive connecting surface is connected with the active circuit printed board.
7. The antenna device according to claim 6,
the conductive connecting surface is a conductive adhesive film.
8. The antenna device of claim 1,
the radio frequency chip is one of a radio frequency receiving chip, a radio frequency transmitting chip and a radio frequency transceiving chip.
9. A phased array antenna comprising a radome, an antenna assembly, and a channel module;
the antenna device is positioned between the radome and the channel module;
the antenna device according to any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226859.5U CN211088510U (en) | 2020-02-28 | 2020-02-28 | Antenna device and phased array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226859.5U CN211088510U (en) | 2020-02-28 | 2020-02-28 | Antenna device and phased array antenna |
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| Publication Number | Publication Date |
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| CN211088510U true CN211088510U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020226859.5U Active CN211088510U (en) | 2020-02-28 | 2020-02-28 | Antenna device and phased array antenna |
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| CN (1) | CN211088510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003003A (en) * | 2020-08-27 | 2020-11-27 | 成都天锐星通科技有限公司 | Phased array antenna structure and electronic device |
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2020
- 2020-02-28 CN CN202020226859.5U patent/CN211088510U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003003A (en) * | 2020-08-27 | 2020-11-27 | 成都天锐星通科技有限公司 | Phased array antenna structure and electronic device |
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