CN116398829A - Intelligent lamp - Google Patents
Intelligent lamp Download PDFInfo
- Publication number
- CN116398829A CN116398829A CN202310179878.5A CN202310179878A CN116398829A CN 116398829 A CN116398829 A CN 116398829A CN 202310179878 A CN202310179878 A CN 202310179878A CN 116398829 A CN116398829 A CN 116398829A
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- light source
- metal patch
- radio frequency
- board
- intelligent lamp
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 103
- 239000002184 metal Substances 0.000 claims abstract description 103
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims 1
- 238000005286 illumination Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- QHZSDTDMQZPUKC-UHFFFAOYSA-N 3,5-dichlorobiphenyl Chemical compound ClC1=CC(Cl)=CC(C=2C=CC=CC=2)=C1 QHZSDTDMQZPUKC-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/235—Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention provides an intelligent lamp, which belongs to the technical field of lighting equipment and comprises a lamp main shell, a light source plate, a metal patch, a driving circuit board and a radio frequency assembly. According to the intelligent lamp provided by the invention, the metal patch is arranged on the outer side of the light source plate, so that the shielding effect of metal pieces in the lamp body on signals is avoided, the microstrip antenna is formed by the metal patch and the metal layer in the light source plate, the distance between the metal patch and the light source plate is only 1-3mm, the radio frequency component is arranged on the driving circuit board positioned on the other side of the light source plate, and the situation that the metal patch stretches out of the light source plate to cause the shielding of light rays emitted by the light source due to the fact that the height of the metal patch stretches out of the light source plate is too high is avoided, and the situation that the lamp generates shadows during illumination due to the arrangement of the antenna is prevented. Meanwhile, the metal patch can be arranged into any shape according to the arrangement of the luminous sources, so that the influence of the metal patch on illumination is avoided, and the lighting effect of the lamp is better.
Description
Technical Field
The invention belongs to the technical field of lighting equipment, and particularly relates to an intelligent lamp.
Background
Along with the development of technology and the continuous progress of society, the variety of intelligent lighting lamps is more and more, and great convenience is brought to daily work and life of people. The intelligent lamp is a lamp which can carry out data transmission with main control equipment such as a mobile phone and the like and can be controlled by the main control equipment. The intelligent lamp of the Internet of things mainly comprises a power module, a lighting module, a signal receiving and transmitting module, a product structure module and the like, wherein the signal receiving and transmitting module consists of a radio frequency module and an antenna. However, in order to reduce the shielding effect of the metal part in the lamp body on the electromagnetic wave, the conventional intelligent lamp increases the wireless communication distance and generally sets the antenna on one side of the light source board. The arrangement of the antenna can cause the lamp to generate shadows when in illumination, and the illumination effect of the lamp is seriously affected.
Disclosure of Invention
The invention aims to provide an intelligent lamp, and aims to solve the problem that an antenna existing in the conventional intelligent lamp can cause shadow to influence the lighting effect when the lamp is used for lighting.
In order to achieve the above purpose, the invention adopts the following technical scheme: provided is an intelligent lamp for indoor environment illumination, including:
a lamp main housing having a hollow interior;
the light source plate is arranged in the lamp main shell and comprises a metal layer and an insulating layer, wherein a plurality of light emitting sources are arranged on the insulating layer, and a connecting circuit for connecting the light emitting sources is arranged on the insulating layer;
the metal patch is positioned on one side, far away from the metal layer, of the insulating layer, and the metal patch and the metal layer interact to form a microstrip antenna, and the microstrip antenna is used for transmitting or receiving electric signals;
the driving circuit board is arranged in the lamp main shell and located at the inner side of the light source board and used for being connected with an external circuit, and one end of the driving circuit board is connected and fixed on the inner side face of the light source board.
The radio frequency assembly comprises a radio frequency module and a feed structure, wherein the feed structure is used for electrically connecting the radio frequency module with the metal patch, and the radio frequency module is arranged on the driving circuit board.
In one possible implementation manner, a connecting medium portion is further arranged between the metal patch and the light source plate, and the shape of the connecting medium portion is matched with that of the metal patch.
In one possible implementation manner, the end portion, close to the light source plate, of the driving circuit board is further provided with a connection support plate for mounting the metal patch, the connection support plate penetrates through the light source plate, and the metal patch is fixedly arranged at the end portion of the connection support plate.
In one possible implementation manner, the feeding structure is a microstrip feeder arranged on the connection support plate, the microstrip feeder is arranged close to the side surface of the connection support plate, one end of the microstrip feeder is connected with the metal patch, and the other end of the microstrip feeder is connected with the radio frequency module.
In one possible implementation manner, the end portion of the connection support plate is further provided with a clamping hole for clamping the metal patch, the side face of the metal patch is further provided with a plug-in portion mutually matched with the clamping hole, and the end portion of the microstrip feeder line is located inside the clamping hole.
In one possible implementation, the feeding structure is a conductive member disposed between the radio frequency assembly and the metal patch, the conductive member being disposed through the light source board.
In one possible implementation manner, the side surface of the driving circuit board is further provided with a radio frequency PCB board parallel to the light source board, the feeding structure is a feeding branch on one side of the radio frequency PCB board, which is close to the light source board, the light source board is further provided with a coupling via hole penetrating through the light source board, and the coupling via hole is located between the feeding branch and the metal patch.
In one possible implementation manner, the radio frequency component is also disposed on a side surface of the radio frequency PCB, and an end of the feeding branch is electrically connected to the radio frequency component.
In one possible implementation manner, the metal patch is annular or regular polygon, and the center of the metal patch and the center of the light source board are mutually coincident.
The intelligent lamp provided by the invention has the beneficial effects that: compared with the prior art, the lamp is characterized in that the light source plate is arranged in the lamp main shell, the light source on the outer side face of the light source plate emits light for illumination, and meanwhile, the driving circuit board and the metal patch are further arranged in the lamp main shell. The driving circuit board and the metal patch are respectively positioned at two sides of the light source plate, and the whole metal patch is mutually parallel to the light source plate and positioned at the outer side of the light source plate. The driving circuit board is also provided with a radio frequency assembly consisting of a radio frequency module and a feed structure. According to the intelligent lamp, the metal patch is arranged on the outer side of the light source plate, the metal patch and the light source plate interact to form the microstrip antenna, and the light source plate is used as a part of the antenna, so that the shielding effect of metal parts in the lamp body on signals is avoided. Compared with the existing antenna, the metal patch and the light source plate integrally form the antenna, so that the metal patch is very close to the light source 2, the situation that the metal patch stretches out of the light source plate 2 to be too high to cause shielding of light rays emitted by the light source is avoided, and the arrangement of the antenna can cause shadow of a lamp during illumination. Meanwhile, the metal patch can be arranged into any shape according to the arrangement of the luminous source, so that the influence of the metal patch on illumination is avoided, and the luminous source is arranged more flexibly, and the lighting effect of the lamp is better.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an intelligent lamp according to embodiment 1 of the present invention;
fig. 2 is a schematic cross-sectional structure of a smart lamp according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a radio frequency PCB board according to embodiment 1 of the present invention;
fig. 4 is a schematic cross-sectional structure of a smart lamp according to embodiment 2 of the present invention;
fig. 5 is a schematic cross-sectional structure of a smart lamp according to embodiment 3 of the present invention.
In the figure: 1. a lamp main housing; 2. a light source board; 3. a metal patch; 4. a driving circuit board; 5. a radio frequency module; 6. a feed structure; 7. a connection medium section; 8. a light emitting source; 9. a connecting support plate; 10. a microstrip feed line; 11. a conductive member; 12. feeding branches; 13. a coupling via; 14. a radio frequency PCB board.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 5, the intelligent lamp provided by the invention will now be described. The intelligent lamp comprises a lamp main shell 1, a light source plate 2, a metal patch 3, a driving circuit board 4 and a radio frequency assembly. The inside of the lamp main shell 1 is of a hollow structure; the light source plate 2 is arranged in the lamp main shell 1 and comprises a metal layer and an insulating layer, wherein a plurality of light emitting sources 8 are arranged on the insulating layer, and a connecting circuit for connecting the light emitting sources is arranged on the insulating layer; the metal patch 3 is located at the outer side of the light source plate 2 (the side of the insulating layer away from the metal layer), and the metal patch 3 and the metal layer on the light source plate 2 interact to form a microstrip antenna, and the microstrip antenna is used for transmitting or receiving electric signals; the drive circuit board 4 is arranged in the lamp main housing 1 and is located on the inner side of the light source board 2 and used for being connected with an external circuit, and one end portion of the drive circuit board 4 is fixedly connected to the inner side face of the light source board 2. The radio frequency assembly comprises a radio frequency module 5 and a feed structure 6, wherein the feed structure 6 is used for electrically connecting the radio frequency module 5 with the metal patch 3, and the radio frequency module 5 is arranged on the driving circuit board 4.
Compared with the prior art, the intelligent lamp provided by the embodiment is provided with the light source plate 2 in the lamp main shell 1, and the intelligent lamp is illuminated by emitting light through the light emitting source 8 on the outer side surface of the light source plate 2, and meanwhile, the driving circuit board 4 and the metal patch 3 are further arranged in the lamp main shell 1. The driving circuit board 4 and the metal patch 3 are respectively located at two sides of the light source board 2, and the whole metal patch 3 and the light source board 2 are arranged in parallel or nearly in parallel, and are located at the outer side of the light source board 2. The driving circuit board 4 is also provided with a radio frequency assembly consisting of a radio frequency module 5 and a feed structure 6. According to the intelligent lamp, the metal patch 3 is arranged on the outer side of the light source plate 2, the metal patch 3 and the metal layer on the light source plate 2 interact to form the microstrip antenna, and the light source plate is used as a part of the antenna, so that the shielding effect of metal parts in the lamp body on signals is avoided. Compared with the existing antenna, the metal patch 3 and the light source plate 2 integrally form the antenna, so that the metal patch 3 is very close to the light source plate 2, the situation that the metal patch 3 stretches out of the light source plate 2 to be too high to cause shielding of light rays emitted by the luminous source 8 is avoided, the arrangement of the antenna can cause shadow of a lamp during illumination, and the illumination effect of the lamp is better. The metal patch 3 can be arranged into any shape according to the arrangement of the luminous sources, so that the influence of the metal patch on illumination is avoided, and the lighting effect of the lamp is better.
The metal patch 3 is generally disposed parallel to the light source board 2 or nearly parallel to each other, and the minimum distance h between the metal patch 3 (i.e., antenna) and the light source board 2 generally satisfies h < λ/10, λ is a wavelength in the free space, and typically h is 1-3mm. The metal patch 3 is sheet-shaped, and the shape of the metal patch can be adjusted according to the arrangement of the luminous sources, and the metal patch is hollowed out, so that the metal patch can be conformal, and the influence on the luminous sources is reduced. . In order to bear the LED light source, the light source plate 2 is usually made of aluminum materials and can ensure the heat stability of the LED light source in the working state and prolong the service life of the LED light source; the light source board 2 is composed of an aluminum plate, an insulating layer on the surface of the aluminum plate and a Layout circuit on the insulating layer. The light source aluminum substrate is used as a grounding conducting plate of the microstrip antenna, the radiation conductor above the light source plate 2 is used as a radiation patch of the microstrip antenna, and the two are combined to realize the microstrip antenna structure. Meanwhile, the radio frequency module 5 has two embodiments: 1. on-board, a radio frequency circuit is designed on a driving board and is responsible for processing radio frequency signals, so that wireless communication and control functions are realized; 2. the module is integrated with the radio frequency chip and the peripheral circuit thereof, and the module is attached to the driving board through SMT as a module or is inserted on the driving board as a plug-in unit.
In some possible implementations, as shown in fig. 1, 2 and 5, a connection medium portion 7 is further disposed between the metal patch 3 and the light source board 2, and the shape of the connection medium portion 7 matches with that of the metal patch 3. Specifically, the arrangement of the connecting medium portion 7 can realize parallel arrangement between the metal patch 3 and the light source plate 2, and simultaneously, the metal patch 3 can be installed and fixed more firmly. And the connecting medium part 7 is generally made of PCB or plastic material.
As another mounting manner of the metal patch 3, as shown in fig. 4, a connection support plate 9 for mounting the metal patch 3 is further disposed at an end portion of the driving circuit board 4, which is close to the light source board 2, and the connection support plate 9 penetrates through the light source board 2, and the metal patch 3 is fixedly disposed at an end portion of the connection support plate 9. Specifically, the metal patch 3 can be arranged in parallel with the light source plate 2 through the support of the connection support plate 9, so that the metal patch 3 can be installed more conveniently.
Preferably, the connection support plate 9 and the driving circuit board 4 are in an integrated structure, and the light source board 2 is further provided with a yielding hole for avoiding the connection support plate 9, so that the connection support plate 9 can be installed more conveniently.
On the basis of the characteristic connection support plate 9, as shown in fig. 4, the feed structure 6 is a microstrip feed line 10 arranged on the connection support plate 9, the microstrip feed line 10 is tightly attached to the side surface of the connection support plate 9, one end of the microstrip feed line 10 is connected with the metal patch 3, and the other end of the microstrip feed line 10 is connected with the radio frequency module 5. Specifically, the microstrip feeder 10 is formed by etching in the same way as the circuit board is manufactured based on the connection support plate 9, or has the same structure as the connection circuit on the driving circuit board 4, so that the connection of the metal patch 3 and the radio frequency unit is more convenient.
In order to make the installation of the metal patch 3 more firm, as shown in fig. 4, a clamping hole for clamping the metal patch 3 is further provided at the end of the connection support plate 9, a plugging portion mutually adapted to the clamping hole is further provided at the side surface of the metal patch 3, and the end of the microstrip feeder 10 is located inside the clamping hole. Specifically, the metal patch 3 may be mounted by inserting the insertion portion into the clamping hole and contacting the insertion portion with the microstrip feed line 10.
In some possible implementations, as shown in fig. 5, the feeding structure 6 is a conductive element 11 arranged between the radio frequency component and the metal patch 3, the conductive element 11 being arranged throughout the light source plate 2. Specifically, the conductive member 11 may be a columnar conductor such as a PIN or an elastic piece, or a coaxial feeder having one end fixed to the driving circuit board 4. Wherein the PIN needle or the conductive column is made of hard material, and the coaxial feeder is a flexible wire.
In some possible implementations, as shown in fig. 2 and fig. 3, the side surface of the driving circuit board 4 is further provided with a radio frequency PCB board 14 parallel to the light source board 2, the feeding structure 6 is a feeding branch 12 coiled on one side of the radio frequency PCB board 14 near the light source board 2, the light source board 2 is further provided with a coupling via hole 13 penetrating through the light source board 2, and the coupling via hole 13 is located between the feeding branch 12 and the metal patch 3. The feed branch 12 is connected with the metal patch 3 in a coupling mode, and the other end of the feed branch 12 is directly connected with the radio frequency module 5. The feed branch 12 is also made by etching metal through existing circuit board fabrication processes. In order to ensure that the connection strength of the feeding branch 12 is bent or coiled on the radio frequency PCB 14, the opening aperture of the coupling via hole 13 needs to cover part or all of the feeding branch 12 in a projection manner. The microstrip patch (metal patch 3) and the feed structure 6 are separated by adopting the connection mode, the process assembly is facilitated, and the size of the microstrip patch can be reduced by more than 20% compared with a direct feed mode. And the luminous sources 8 on the light source plate 2 can be arranged according to the shape of the metal patch 3, and are uniformly distributed on the circumference of the metal patch 3.
Preferably, as shown in fig. 3, the rf component is also disposed on a side of the rf PCB 14, and one end of the feeding branch 12 is electrically connected to the rf module 5. Specifically, the radio frequency PCB 14 is also made of the same material as the driving circuit board 4, and the radio frequency module 5 is connected with the driving circuit board 4 through an etching circuit arranged on the surface of the radio frequency PCB 14, so that the whole radio frequency assembly is more integrated, and the radio frequency assembly is more convenient to install.
In some possible implementations, as shown in fig. 1 and 2, the metal patch 3 is ring-shaped or regular polygon, and the center of the metal patch 3 and the center of the light source plate 2 coincide with each other. Specifically, the ring shape may be circular or have various other shapes (for example, a positive direction or an i-shape, and generally, any shape having a central symmetry may be used), and the ring shape herein means a shape formed by a conductive material in a belt shape. And the circumference of the enclosed ring needs to be larger than lambdag/2, and lambdag is the equivalent wavelength related to the dielectric constant.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. An intelligent lamp, characterized by comprising:
a lamp main housing having a hollow interior;
the light source plate is arranged in the lamp main shell and comprises a metal layer and an insulating layer, wherein a plurality of light emitting sources are arranged on the insulating layer, and a connecting circuit for connecting the light emitting sources is arranged on the insulating layer;
the metal patch is positioned on one side, far away from the metal layer, of the insulating layer, and the metal patch and the metal layer interact to form a microstrip antenna, and the microstrip antenna is used for transmitting or receiving electric signals;
the driving circuit board is arranged in the lamp main shell, is positioned at the inner side of the light source board and is used for connecting an external circuit, and one end part of the driving circuit board is fixedly connected to the inner side surface of the light source board;
the radio frequency assembly comprises a radio frequency module and a feed structure, wherein the feed structure is used for electrically connecting the radio frequency module with the metal patch, and the radio frequency module is arranged on the driving circuit board.
2. The intelligent lamp as claimed in claim 1, wherein a connection medium part is further provided between the metal patch and the light source plate, and the connection medium part is made of air or insulating material.
3. The intelligent lamp according to claim 2, wherein the minimum thickness dimension of the connection medium portion is h, wherein h is less than λ/10, and λ is the wavelength of the radio frequency signal in free space.
4. The intelligent lamp as claimed in claim 2, wherein the end portion of the driving circuit board, which is close to the light source board, is further provided with a connection support plate for mounting the metal patch, and the connection support plate is disposed through the light source board, and the metal patch is fixedly disposed at the end portion of the connection support plate.
5. The intelligent lamp according to claim 4, wherein the feeding structure is a microstrip feeder arranged on the connection support plate, the microstrip feeder is arranged close to the side surface of the connection support plate, one end of the microstrip feeder is connected with the metal patch, and the other end of the microstrip feeder is connected with the radio frequency module.
6. The intelligent lamp according to claim 5, wherein the end of the connection support plate is further provided with a clamping hole for clamping the metal patch, the side surface of the metal patch is further provided with a plug-in part mutually matched with the clamping hole, and the end of the microstrip feeder is positioned in the clamping hole.
7. The intelligent lamp according to claim 2 or 4, wherein the feeding structure is a conductive member disposed between the radio frequency assembly and the metal patch, the conductive member being disposed through the light source board.
8. The intelligent lamp as claimed in claim 2 or 4, wherein the side surface of the driving circuit board is further provided with a radio frequency PCB board parallel to the light source board, the feeding structure is a feeding branch on one side of the radio frequency PCB board, which is close to the light source board, the light source board is further provided with a coupling via hole penetrating through the light source board, and the coupling via hole is located between the feeding branch and the metal patch.
9. The intelligent lamp according to claim 8, wherein the rf assembly is also disposed on a side of the rf PCB, and an end of the feed branch is electrically connected to the rf assembly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310179878.5A CN116398829A (en) | 2023-02-28 | 2023-02-28 | Intelligent lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310179878.5A CN116398829A (en) | 2023-02-28 | 2023-02-28 | Intelligent lamp |
Publications (1)
Publication Number | Publication Date |
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CN116398829A true CN116398829A (en) | 2023-07-07 |
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Family Applications (1)
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CN202310179878.5A Pending CN116398829A (en) | 2023-02-28 | 2023-02-28 | Intelligent lamp |
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CN (1) | CN116398829A (en) |
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2023
- 2023-02-28 CN CN202310179878.5A patent/CN116398829A/en active Pending
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