CN109659681A - A kind of antenna module and smart machine - Google Patents
A kind of antenna module and smart machine Download PDFInfo
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- CN109659681A CN109659681A CN201811522450.1A CN201811522450A CN109659681A CN 109659681 A CN109659681 A CN 109659681A CN 201811522450 A CN201811522450 A CN 201811522450A CN 109659681 A CN109659681 A CN 109659681A
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- radiator
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- 239000000758 substrate Substances 0.000 claims abstract description 44
- 230000004308 accommodation Effects 0.000 claims description 4
- 230000005855 radiation Effects 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 238000005452 bending Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000003447 ipsilateral effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0435—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Aerials (AREA)
Abstract
The present invention is suitable for antenna technical field, provide a kind of antenna module and smart machine, antenna module includes medium substrate and radiator, grounding parts, feed line, the first ground branch and the second ground branch with the first surface and second surface being oppositely arranged, radiator and feed line are set to the first surface of medium substrate, first ground branch and the second ground branch are all connected between radiator and grounding parts, and the tie point of the tie point and second branch of the first ground branch and radiator and the radiator is located at the two sides of feed line.First ground branch and the second ground branch by being set to the two sides of feed line by the present invention, so that radiator has the characteristic of balanced type antenna, radiator is more balanced to external radiation and reception signal, antenna module is reduced suitable for the influence of the metal structure or cabling that may be subject to when such as smart machine, performance is more preferably, it is applied widely suitable for different smart machines.
Description
Technical field
The invention belongs to antenna technical field, in particular to a kind of antenna module and smart machine.
Background technique
Currently, modular radio-frequency card is widely used in IOT (Internet of Things, Internet of Things) equipment
General, hardware quotient is that the product of oneself is carried out to transformation addition radio-frequency module by a small margin to set to complete unlimited intelligence mostly
Meter.But, it is not often identified and ensures under the radio-frequency performance transformation simple and coarse at this, on the one hand the reason is that radio frequency mould
The placement position of group is bad, and another aspect reason is then that the antenna performance in general mould radio block is setting for unbalanced mostly
Meter, such as inverted F shaped antenna or monopole antenna, antenna performance is easy by product power drives route cabling and circumferential metal structure
Be distributed and generate frequency shift (FS) or performance decline so that the same radio-frequency module be stuck under different application scene generate it is different
Characteristic, the time for also increasing the difficulty in design and verifying repeatedly.
Summary of the invention
The purpose of the present invention is to provide a kind of antenna modules, it is intended to solve antenna and be easy by product power drives route
Cabling or circumferential metal structure influence and the bad technical problem of performance.
The invention is realized in this way a kind of antenna module, comprising:
Medium substrate, including the first surface and second surface being oppositely arranged；
Radiator, set on the first surface of the medium substrate；
Grounding parts are set to the first surface and/or second surface；
Feed line set on the first surface and is connected to the radiator；
First ground branch is connected between the radiator and the grounding parts；And
Second ground branch is arranged with first ground branch interval and is connected to the radiator and the grounding parts
Between；
Wherein, the tie point and the second branch and the radiator of first ground branch and the radiator
Tie point be located at the two sides of the feed line.
In one embodiment, first ground branch is set on the first surface, and the medium substrate is equipped with logical
Hole, second ground branch are set on the second surface and are connected to the radiator via the through-hole.
In one embodiment, the grounding parts include:
First access area is set to the first surface, is connected to first ground branch；And
Second access area is set to the second surface, is connected to second ground branch.
In one embodiment, mutually indepedent between first access area and the second access area or interconnection.
In one embodiment, first ground branch and the second ground branch are set on the first surface.
In one embodiment, the antenna module further includes lumped component, and the lumped component is set to the first surface
And it is connected between the radiator and first ground branch.
Another object of the present invention is to provide a kind of smart machines, including power drives component and the power drives
Radio frequency component, the antenna module described in the various embodiments described above of component electrical connection, the radio frequency component are connected to the antenna sets
Part is simultaneously fed to the antenna module.
In one embodiment, the power drives component and radio frequency component are set to the medium substrate of the antenna module
On.
In one embodiment, the radio frequency component is set on the medium substrate of the antenna module；The power drives group
Part is set on power drives substrate.
In one embodiment, the smart machine is intelligent lamp, and the intelligent lamp includes shell and light source board, the shell
With an accommodation space, the power drives component, radio frequency component and light source board are sequentially arranged in the shell；The antenna sets
The radiator of part passes through the first opening portion on the light source board and protrudes from the outside of the light source board.
Antenna module provided by the invention, including have the medium substrate of first surface and second surface being oppositely arranged with
And radiator, grounding parts, feed line, the first ground branch and the second ground branch, the first ground branch and the second ground branch
It is all connected between the radiator and the grounding parts, wherein the tie point and second of the first ground branch and radiator
The tie point of ground branch and radiator is located at the two sides of feed line, so that radiator has the characteristic of balanced type antenna,
Radiator is more balanced to external radiation and reception signal, reduces the gold that antenna module is suitable for be subject to when such as smart machine
Belong to the influence of structure or cabling etc., performance is more preferably, applied widely suitable for different smart machines.
Detailed description of the invention
Fig. 1 is the Facad structure figure of antenna module provided in an embodiment of the present invention；
Fig. 2 is the backside structure figure of antenna module provided in an embodiment of the present invention；
Fig. 3 is the stereogram exploded view of intelligent lamp provided in an embodiment of the present invention；
Fig. 4 is the sectional view of intelligent lamp provided in an embodiment of the present invention；
Fig. 5 is the structure chart of the light source board of intelligent lamp provided in an embodiment of the present invention；
Fig. 6 is the front view of the driving assembly of intelligent lamp provided in an embodiment of the present invention；
Fig. 7 is the side view of the driving assembly of intelligent lamp provided in an embodiment of the present invention.
Meaning marked in the figure are as follows:
Antenna module 100, medium substrate 14, radiator 13, the first ground branch 11, the second ground branch 12, lump group
Part 15, first surface 141, second surface 142, through-hole 143, grounding parts 16, the first access area 161, the second access area 162, feedback
Electric wire 17, extending end 18；
Intelligent lamp 200, lamp cap 21, shell 22, lampshade 23, drive module 24, power drives substrate 240, power drives group
Part 241, output terminal 242, heat-radiating substrate 25, the second opening portion 251, light source board 26, light-emitting component 261, input terminal 262,
First opening portion 263.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
It should be noted that when component is referred to as " being fixed on " or " being set to " another component, it can directly or
It connects on another component.When a component is known as " being connected to " another component, it be can be directly or indirectly
It is connected on another component.The orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.Term " first ",
" second " is used merely to facilitate description purpose, is not understood to indicate or imply relative importance or implicitly indicates technical characteristic
Quantity.The meaning of " plurality " is two or more, unless otherwise specifically defined.
In order to illustrate technical solutions according to the invention, it is described in detail below in conjunction with specific accompanying drawings and embodiments.
Fig. 1 and Fig. 2 are please referred to, present invention firstly provides a kind of antenna module 100, including medium substrate 14 and is set to
Radiator 13, feed line 17, grounding parts 16, the first ground branch 11 and the second ground branch 12 on medium substrate 14.Medium
Substrate 14 has front and back.Certainly, for front and back is only based on distinguishing, it is respectively defined as first surface herein
141 and second surface 142.
Radiator 13 is set on first surface 141, and feed line 17 is set on first surface 141 and is connected to radiator 13,
First ground branch 11 is set on first surface 141 and is connected between one end of radiator 13 and grounding parts 16, the second ground connection
Branch 12 is connected between radiator 13 and grounding parts 16, and the tie point and second of the first ground branch 11 and radiator 13
The tie point of ground branch 12 and radiator 13 is located at the two sides of feed line 17.Grounding parts 16 can be set in first surface
On 141 or on first surface 142, it can also be set to simultaneously on first surface 141 and first surface 142.
Antenna module 100 provided by the invention, including the radiator 13, grounding parts 16, feed being set on medium substrate 14
Line 17, the first ground branch 11 and the second ground branch 12, wherein the tie point of the first ground branch 11 and radiator 13 and
Second ground branch 12 is located at the two sides of feed line 17 with the tie point of radiator 13, so that radiator 13 has balanced type
The characteristic of antenna, radiator 13 are more balanced to external radiation and reception signal, are reduced antenna module 100 and are suitable for intelligent such as set
When standby may by metal structure or cabling etc. influenced, performance more preferably, is improved to different smart machine and structure
Applicability improves its application range.
In one embodiment, the second ground branch 12 is also disposed on first surface 141, as a result, the first ground branch 11
It is located at the same side but interval setting, the first ground branch 11 and the second ground branch of medium substrate 14 with the second ground branch 12
12 are balanced formula ground connection to radiator 13 from the left and right sides of feed line 17.
In one embodiment, the first ground branch 11 and the second ground branch 12 may be located on the difference of medium substrate 14
Side.Referring specifically to Fig. 1 and Fig. 2, medium substrate 14 is equipped with through-hole 143, and the second ground branch 12 is set to second surface 142
On, and be connected to via the through-hole 143 (namely the tie point of the second ground branch 12 and radiator 13 is located in the through-hole 143)
Radiator 13 on first surface 141.Optionally, which is set to the position covered on medium substrate 14 by radiator 13
It sets, so that only the company of the second ground branch 12 with radiator 13 need to can be realized by fill part conductive materials in the through-hole 143
It connects.
In the first side of the ground branch 11 far from radiator 13, it is also extended with an extending end 18, to match input
Impedance.
Radiator 13 is used for current signal in the form of an electromagnetic wave to external radiation and the electromagnetic wave signal that will be received
Current signal is converted to, radiator 13 either can be in the setting of the forms such as the strip of bending in vertical bar shape, curved strip.This
It is the shape of co-ordination medium substrate 14 in embodiment, radiator 13 is arranged in the strip of bending.Further, 13 He of radiator
Extending end 18 is jointly in the rectangle setting with opening.Feed line 17, the first ground branch 11, second ground branch 12 etc. are equal
Be connected to the radiator 13 close to grounding parts 16 on one side on.The length of radiator 13 determines operable rf frequency.?
In one specific embodiment, the length of radiator 13 is a quarter operative wavelength.For example, for the signal frequency of 2.4GHz, behaviour
Making wavelength is 125mm, and the length of radiator 13 is 31.25mm, for the signal frequency of 5GHz, operative wavelength 60mm, radiation
The length of body 13 is 15mm.Certainly, antenna module 100 of the invention can be applicable to other signal frequencies, not limit this
System.
In one embodiment, grounding parts 16 are only arranged on first surface 141, and the first ground branch 11 and second are connect
In the case that ground leg 12 is set to first surface 141 simultaneously, the first ground branch 11 and the second ground branch 12 can be easy
The connection with grounding parts 16 is realized on ground, therefore is repeated no more and illustrated.For the first ground branch 11 and the second ground branch 12
Be set to medium substrate 14 it is not ipsilateral in the case where, one end that the second ground branch 12 is connect with grounding parts 16 can be via Jie
Around to first surface 141, this is identical to the effect of radiator 13, nor affects on implementation of the invention for the side end face of matter substrate 14.
The program can be depending on the specific structure to be arranged of antenna module 100, as in 142 side of second surface because of other structures
Setting is unsuitable in the case where access area is arranged again it is contemplated that the program.
It is preferred that will radiation from the not ipsilateral of medium substrate 14 for the first ground branch 11 and the second ground branch 12
The case where body 13 is grounded, as depicted in figs. 1 and 2, grounding parts 16 include set on the first access area 161 of the first surface 141
And set on the second access area 162 of second surface 142, the first ground branch 11 is connect with the first access area 161, the second ground connection
Branch 12 is connect with the second access area 162, in this way, facilitating the design of the first ground branch 11 and the second ground branch 12.
It should be pointed out that can be mutually indepedent between the first access area 161 and the second access area 162, radiator 13 to
First access area 161 forms an earth-return circuit, and radiator forms another earth-return circuit between 13 to the second access area 162；First
It is also possible to be connected with each other between access area 161 and the second access area 162, is substantially still a total access area, this not shadow
Ring implementation of the invention.
It is understood that the first access area 161 and the second access area 162 be not by 141 He of first surface in Fig. 1 and Fig. 2
Second surface 142 is completely covered, and is in order to visually distinguish the first access area 161 and first surface 141, by the second ground connection
Area 162 and second surface 142 are distinguished.The area of first access area 161 and the second access area 162 can regard concrete condition setting,
When such as no setting is required on second surface 142 other structures, second surface 142 can be completely covered in the second access area 162.
The area of grounding parts 16 has an impact the radiance of radiator 13, the first access area 161 and the second access area
162 are capable of providing the area of bigger grounding parts 16, avoid and account in the concrete application of antenna module 100 because of other cablings
The limitation of grounding parts 16 workable for a part.
As shown in Fig. 2, antenna module 100 further includes lumped component 15, which is set to first surface 141 and connects
It is connected between radiator 13 and grounding parts 16, specifically can be and be serially connected between radiator 13 and the first ground branch 11.
For lumped component 15 for matching 100 input impedance of antenna module, the transmitting signal after making matching passes through radiator
13 to external radiation.Specifically, lumped component 15 can be Inductive component.
The inductance value of Inductive component is adjustable, to advanced optimize the adjusting to input impedance, and same size (radiation
The length of body 13) antenna module 100 can adapt to different products, improve the scope of application of antenna module 100
Feed line 17 is set to first surface 141 and is connected to radiator 13, is used for 13 input signal of radiator.Specifically
Ground, the feed line 17 can be set in side of the lumped component 15 far from the first ground branch 11, this does not influence of the invention
Implement.
The present invention also provides a kind of smart machines, including antenna module 100 described in the various embodiments described above.The smart machine
The equipment that can be any required radio frequency component Yu antenna module 100.Such as intelligent lamp 200, intelligence sensor, intelligent power.
Hereinafter, illustrating the installation and use of antenna module 100 of the invention in smart machine by taking a kind of intelligent lamp 200 as an example.
Referring to Fig. 3, intelligent lamp 200 provided in an embodiment of the present invention includes lamp cap 21, shell 22 and lampshade 23, shell 22
With an accommodation space, which is closed by lamp cap 21 and lampshade 23, in the inside of accommodation space along lamp cap 21
Drive module 24, heat-radiating substrate 25 and light source board 26 are successively arranged to the direction of lampshade 23.
Drive module 24 includes power drives component 241, antenna module 100 and radio frequency component (not shown), power drives
Component 241 is connected to external power supply by lamp cap 21, and external communication electricity is converted to direct current supply light source board 26 and antenna
Component 100 carries out signal transmitting between radio frequency component and antenna module 100, antenna module 100 is further by receiving signal
Mode controls power drives component 241 by radio frequency component in turn and realizes control light source board 26 to the power supply of light source board 26
Working condition.
In one embodiment, as shown in Figures 6 and 7, radio frequency component is set on the medium substrate 14 of antenna module 100, is become
One modular radio frequency card and power drives component 241 are set on power drives substrate 240, further pass through medium substrate 14 and electricity
The connection between power drives component 241 and antenna module 100 is realized in the connection of source drive substrate 240.
Specifically, medium substrate 14 is to be arranged in a mutually vertical manner with power drives substrate 240.
In one embodiment, it can also be that power drives component 241 and radio frequency component are all set in Jie of antenna module 100
On matter substrate 14, medium substrate 14 is the printed circuit of intelligent lamp 200, and drive module 24 is to be integrated into the present embodiment as a result,
On the printed circuit board of intelligent lamp 200, drive module 24 has high integrated level.
Referring specifically to 3 to 5, light source board 26 is equipped with multiple input terminals 262 and the first opening portion 263, heat-radiating substrate
25 are equipped with the second opening portion 251, and the first opening portion 263 corresponds to a part of the second opening portion 251, power drives component
241 include multiple output terminals 242, and output terminal 242 is electrically connected after passing through the second opening portion 251 with input terminal 262.It
The especially radiator 13 of line component 100 is also cross the second opening portion 251 and the first opening portion 263, so that radiator 13 is prominent
In the outside of light source board 26, the influence of light source board 26 and heat-radiating substrate 25 to radiator 13 is avoided.
It further include a plurality of light-emitting elements 261 on light source board 26, in one or more annular settings.First opening portion 263 can
It is set to the center of light source board 26.
Intelligent lamp 200 provided in an embodiment of the present invention, antenna module 100 include the radiator on medium substrate 14
13, the first ground branch 11 and the second ground branch 12, wherein the first ground branch 11 and the second ground branch 12 are with position respectively
Form in the two sides of substrate is arranged, so that radiator 13 has the characteristic of balanced type antenna, radiator 13 is to external radiation and connects
The collection of letters number more balances, and for intelligent lamp 200, internal power drives route is especially complicated, antenna module 100
Setting reduce the influence of heat-radiating substrate 25, driving power cabling that it may be subject in the intelligent lamp 200 etc., antenna sets
The performance of part 100 more preferably, improves the applicability to intelligent lamp 200 and other smart machines, improves application range.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of antenna module characterized by comprising
Medium substrate, including the first surface and second surface being oppositely arranged；
Radiator, set on the first surface of the medium substrate；
Grounding parts are set to the first surface and/or second surface；
Feed line set on the first surface and is connected to the radiator；
First ground branch is connected between the radiator and the grounding parts；And
Second ground branch, be arranged with first ground branch interval and be connected to the radiator and the grounding parts it
Between；
Wherein, first ground branch and the tie point of the radiator and the company of the second branch and the radiator
Contact is located at the two sides of the feed line.
2. antenna module as described in claim 1, which is characterized in that first ground branch is set to the first surface
On, the medium substrate is equipped with through-hole, and second ground branch is set on the second surface and connects via the through-hole
It is connected to the radiator.
3. antenna module as claimed in claim 2, which is characterized in that the grounding parts include:
First access area is set to the first surface, is connected to first ground branch；And
Second access area is set to the second surface, is connected to second ground branch.
4. antenna module as claimed in claim 3, which is characterized in that between first access area and the second access area mutually
Independent or interconnection.
5. antenna module as described in claim 1, which is characterized in that first ground branch and the second ground branch are all provided with
In on the first surface.
6. antenna module as described in claim 1, which is characterized in that the antenna module further includes lumped component, the collection
Total component is set to the first surface and is connected between the radiator and first ground branch.
7. a kind of smart machine, which is characterized in that including power drives component, the radio frequency being electrically connected with the power drives component
Component and antenna module described in any one of claims 1 to 6, the radio frequency component be connected to the antenna module and to
The antenna module feed.
8. smart machine as claimed in claim 7, which is characterized in that the power drives component and radio frequency component are set to institute
It states on the medium substrate of antenna module.
9. smart machine as claimed in claim 7, which is characterized in that the radio frequency component is set to the medium of the antenna module
On substrate；The power drives component is set on power drives substrate.
10. smart machine as claimed in claim 7, which is characterized in that the smart machine is intelligent lamp, the intelligent lamp packet
Shell and light source board are included, the shell has an accommodation space, and the power drives component, radio frequency component and light source board are successively set
In in the shell；The radiator of the antenna module passes through the first opening portion on the light source board and protrudes from the light source
The outside of plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522450.1A CN109659681A (en) | 2018-12-13 | 2018-12-13 | A kind of antenna module and smart machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522450.1A CN109659681A (en) | 2018-12-13 | 2018-12-13 | A kind of antenna module and smart machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109659681A true CN109659681A (en) | 2019-04-19 |
Family
ID=66114534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811522450.1A Pending CN109659681A (en) | 2018-12-13 | 2018-12-13 | A kind of antenna module and smart machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109659681A (en) |
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| CN111082222A (en) * | 2019-11-08 | 2020-04-28 | 京信通信技术(广州)有限公司 | Antenna device and antenna radiation unit |
| CN111987425A (en) * | 2020-08-21 | 2020-11-24 | 福耀玻璃工业集团股份有限公司 | Antenna module, antenna glass and vehicle |
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