CN217334404U - Lamp antenna and illuminating lamp - Google Patents
Lamp antenna and illuminating lamp Download PDFInfo
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- CN217334404U CN217334404U CN202220383430.6U CN202220383430U CN217334404U CN 217334404 U CN217334404 U CN 217334404U CN 202220383430 U CN202220383430 U CN 202220383430U CN 217334404 U CN217334404 U CN 217334404U
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- lamp
- antenna
- reflecting plate
- dielectric substrate
- radiator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model relates to an antenna technology field discloses a lamps and lanterns antenna and illumination lamps and lanterns. The lamp antenna comprises a dielectric substrate and a reflecting plate, wherein the dielectric substrate is provided with a radiating body, a matching circuit and a reference ground, the matching circuit is respectively connected with the radiating body and the reference ground, a convex structure is formed on one side of the reflecting plate along the thickness direction of the reflecting plate, a cavity is formed on the other side of the reflecting plate along the thickness direction of the reflecting plate by the convex structure, and the dielectric substrate and one side of the convex structure forming the cavity are opposite at intervals; the illuminating lamp comprises a lamp shell component and the lamp antenna, wherein the lamp shell component is connected with the reflecting plate, so that the medium substrate is positioned in a cavity between the lamp shell and the reflecting plate, and the lamp shell component and the reflecting plate jointly form the shell of the illuminating lamp. The utility model discloses a form hollow protruding structure on the reflecting plate of antenna, make the interval extension between irradiator and the reflecting plate, can expand the interval between irradiator and the reflecting plate in limited lamp body inner space, promote the gain and the line efficiency of antenna.
Description
Technical Field
The utility model belongs to the technical field of the antenna technique and specifically relates to a lamps and lanterns antenna and illumination lamps and lanterns.
Background
The intelligent lighting utilizes intelligent equipment such as a computer, a mobile phone, an intelligent sound box and the like to intelligently control the lighting equipment in a wired or wireless communication mode, and is widely applied to intelligent household improvement.
Antenna module and corresponding control circuit need be added in the LED lamp to intelligent illumination. In order to ensure the signal receiving effect, the communication module needs to extend out of the surface of the light source, however, because the space in the lamp body is limited, in order to achieve the effect of not changing the appearance of the lamp and not shielding the light source, the design and installation of the antenna module and the control circuit are very limited, and the communication effect and the antenna gain are influenced.
SUMMERY OF THE UTILITY MODEL
The present invention provides a lamp antenna and a lighting lamp, which can solve one or more technical problems in the prior art and provide a beneficial choice or creation condition.
In a first aspect, a lamp antenna is provided, which includes a dielectric substrate and a reflector plate;
the medium substrate is provided with a radiating body, a matching circuit and a reference ground, the matching circuit is respectively connected with the radiating body and the reference ground, a protruding structure is formed on one side of the reflecting plate along the thickness direction of the reflecting plate, a cavity is formed on the other side of the protruding structure in the thickness direction of the reflecting plate, and the medium substrate is opposite to one side of the protruding structure forming the cavity at intervals.
As an improvement of the scheme, one side of the dielectric substrate, which is provided with the radiator, faces away from the reflecting plate.
As an improvement of the above scheme, the length of the radiator and the operating wavelength of the lamp antenna satisfy the following relationship:
a＝1/4λ；
wherein a represents the length of the radiator and λ represents the operating wavelength of the lamp antenna.
As an improvement of the above scheme, the interval between the dielectric substrate and the protruding structure and the operating wavelength of the lamp antenna satisfy the following relationship:
b≤1/32λ；
wherein b represents the interval between the dielectric substrate and the convex structure, and λ represents the working wavelength of the lamp antenna.
As an improvement of the above scheme, a space is left between the radiator and the reference ground.
As an improvement of the scheme, the radiator and the reference ground are both coated with metal copper and are respectively attached to the dielectric substrate.
In a second aspect, a lighting fixture is provided, which includes a lamp housing member and the lamp antenna of the first aspect, the lamp housing member is connected to the reflector plate, so that the dielectric substrate is located in a cavity between the lamp housing and the reflector plate, and the lamp housing member and the reflector plate together form a housing of the lighting fixture.
The utility model has the advantages that: the hollow convex structure is formed on the reflecting plate of the antenna, so that the interval between the radiating body and the reflecting plate is prolonged, the interval between the radiating body and the reflecting plate can be expanded in the limited inner space of the lamp body, the gain and the line efficiency of the lamp antenna are improved, the directivity of the lamp antenna is concentrated, and the phenomenon that the reflecting plate absorbs communication signals due to the fact that the distance between the radiating body and the reflecting plate is too short is avoided.
Drawings
Fig. 1 is a schematic view of a split structure of a lamp antenna according to an embodiment.
Fig. 2 is a block diagram of a dielectric substrate according to an embodiment.
Fig. 3 is an antenna gain diagram for a lamp antenna.
Fig. 4 is an antenna pattern for a luminaire antenna.
Fig. 5 is a parameter diagram of antenna S11 of the lamp antenna.
Fig. 6 is a schematic view of a disassembled structure of the lighting fixture according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be further described with reference to the following embodiments and accompanying drawings.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of terms means an indefinite amount, and a plurality of terms means two or more, and the terms greater than, less than, exceeding, etc. are understood to include no essential numbers, and the terms greater than, less than, within, etc. are understood to include essential numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. Additionally, appearing throughout and/or representing three side-by-side scenarios, e.g., A and/or B represents a scenario satisfied by A, a scenario satisfied by B, or a scenario satisfied by both A and B.
In the description of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, which may contain other elements not expressly listed in addition to those listed.
According to the utility model discloses a first aspect provides a lamps and lanterns antenna.
As shown in fig. 1 to 2, the lamp antenna according to the present embodiment includes a dielectric substrate 100 and a reflective plate 200.
The dielectric substrate 100 is provided with a radiator 110, a matching circuit 120 and a reference ground 130, the matching circuit 120 is respectively connected with the radiator 110 and the reference ground 130, a convex structure 210 is formed on one side of the reflector 200 in the thickness direction, a cavity is formed on the other side of the reflector 200 in the thickness direction by the convex structure 210, and the dielectric substrate 100 and the side of the convex structure 210 forming the cavity are opposite at intervals.
In this embodiment, the protruding structure 210 is formed on the reflective plate 200, and the cavity is formed on the other side of the protruding structure 210, so that the interval between the radiator 110 and the reflective plate 200 on the dielectric substrate 100 is extended, the distance between the radiator 110 and the reflective plate 200 can be extended in the limited lamp body internal space, the gain and the line efficiency of the lamp antenna are improved, the directivity of the lamp antenna is concentrated, and the phenomenon that the reflective plate 200 absorbs the communication signal due to the excessively short distance between the radiator 110 and the reflective plate 200 is avoided.
In this embodiment, the side of the dielectric substrate 100 on which the radiator 110 is disposed faces away from the reflector 200.
The radiator 110 on one side of the dielectric substrate 100 forms directional radiation in a downward direction, the back of the radiator 110 is the reflector 200, which plays a certain role in reflecting and converging the radiation pattern of the radiator 110, and because the size of the reflector 200 is larger than the sizes of the dielectric substrate 100 and the radiator 110 and the cavity formed by the protruding structure 210, the loss caused by insufficient reflection is fully reflected, and the gain of the antenna is improved.
On the basis of the above embodiment, the length of the radiator 110 and the operating wavelength of the lamp antenna satisfy the following relationship:
a＝1/4λ；
where a denotes the length of the radiator 110 and λ denotes the operating wavelength of the lamp antenna.
Further, the interval between the dielectric substrate 100 and the protruding structure 210 and the operating wavelength of the lamp antenna satisfy the following relationship:
b≤1/32λ；
where b represents the spacing between the dielectric substrate 100 and the raised structure 210, and λ represents the operating wavelength of the lamp antenna.
As shown in fig. 3 to fig. 5, which respectively show the specific details of the gain and the direction of the lamp antenna and the parameters of the antenna S11 in this embodiment, by designing the length of the radiator 110 and the interval between the dielectric substrate 100 and the protrusion structure 210, the overall size of the lamp antenna can be reduced as much as possible, and the lamp antenna can be maintained to have high gain, high linear efficiency and concentrated directivity.
On the basis of the above embodiment, a space is left between the radiator 110 and the reference ground 130.
In the above embodiment, the radiator 110 and the ground 130 are both metal coated with copper and are respectively attached to the dielectric substrate 100.
According to a second aspect of the present invention, a lighting fixture is provided.
As shown in fig. 6, the lighting fixture includes a housing member 300 and the fixture antenna of the first aspect. During actual assembly, the lamp housing member 300 is connected with the reflection plate 200, so that the dielectric substrate 100 is located in a cavity between the lamp housing and the reflection plate 200, and the lamp housing member 300 and the reflection plate 200 together form a housing of the lighting lamp.
The type of the lighting lamp provided by the embodiment is a down lamp, the lighting lamp further comprises a light source assembly and a power supply assembly, the light source assembly, the power supply assembly and the dielectric substrate 100 are installed and fixed according to design requirements, the dielectric substrate 100 is fixed at a position opposite to the reflecting plate 200 at intervals, then the lamp shell is constructed and connected with the reflecting plate 200, and the light source assembly, the power supply assembly and the dielectric substrate 100 are sealed.
The lighting lamp described in this embodiment receives or transmits information through the lamp antenna disposed inside the lamp body, the reflector 200 of the lamp antenna is used as a part of the outer structure of the lamp body, and forms the housing of the lighting lamp together with the lamp housing member 300, so that the space for installing the lamp antenna is saved, the reflector 200 of the lamp antenna can be designed to adapt to the shape of the lighting lamp on the basis of ensuring the performance of the reflected signal, the appearance of the lamp is not changed, the light source is not shielded, and the lamp antenna has good adaptability.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A lamp antenna is characterized by comprising a dielectric substrate and a reflecting plate;
the dielectric substrate is provided with a radiating body, a matching circuit and a reference ground, the matching circuit is respectively connected with the radiating body and the reference ground, a protruding structure is formed on one side of the reflecting plate in the thickness direction of the reflecting plate, a cavity is formed on the other side of the protruding structure in the thickness direction of the reflecting plate, and the dielectric substrate is opposite to one side of the protruding structure in interval mode, wherein the cavity is formed on the other side of the reflecting plate in the thickness direction.
2. The lamp antenna of claim 1, wherein the side of the dielectric substrate on which the radiator is disposed faces away from the reflector plate.
3. The lamp antenna of claim 1, wherein the length of the radiator and the operating wavelength of the lamp antenna satisfy the following relationship:
a＝1/4λ；
wherein a represents the length of the radiator and λ represents the operating wavelength of the lamp antenna.
4. The lamp antenna of claim 1, wherein the spacing between the dielectric substrate and the protruding structure and the operating wavelength of the lamp antenna satisfy the following relationship:
b≤1/32λ；
wherein b represents the interval between the dielectric substrate and the convex structure, and λ represents the operating wavelength of the lamp antenna.
5. The lamp antenna of claim 1, wherein the radiator is spaced from a reference ground.
6. The lamp antenna of claim 1, wherein the radiator and the reference ground are both metal coated copper, respectively attached to a dielectric substrate.
7. A lighting fixture comprising a housing member and a fixture antenna according to any one of claims 1-6, wherein the housing member is connected to a reflector plate such that the dielectric substrate is located in a cavity between a housing of the fixture and the reflector plate, and the housing member and the reflector plate together form a housing of the lighting fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220383430.6U CN217334404U (en) | 2022-02-23 | 2022-02-23 | Lamp antenna and illuminating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220383430.6U CN217334404U (en) | 2022-02-23 | 2022-02-23 | Lamp antenna and illuminating lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217334404U true CN217334404U (en) | 2022-08-30 |
Family
ID=82997299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220383430.6U Active CN217334404U (en) | 2022-02-23 | 2022-02-23 | Lamp antenna and illuminating lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217334404U (en) |
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2022
- 2022-02-23 CN CN202220383430.6U patent/CN217334404U/en active Active
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