WO2018182379A1 - 안테나 어셈블리 및 안테나 어셈블리를 포함하는 장치 - Google Patents
안테나 어셈블리 및 안테나 어셈블리를 포함하는 장치 Download PDFInfo
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- WO2018182379A1 WO2018182379A1 PCT/KR2018/003841 KR2018003841W WO2018182379A1 WO 2018182379 A1 WO2018182379 A1 WO 2018182379A1 KR 2018003841 W KR2018003841 W KR 2018003841W WO 2018182379 A1 WO2018182379 A1 WO 2018182379A1
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- pcb
- processing region
- region
- processing
- heat sink
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/02—Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0087—Apparatus or processes specially adapted for manufacturing antenna arrays
- H01Q21/0093—Monolithic arrays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/267—Phased-array testing or checking devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/03—Constructional details, e.g. casings, housings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
- H05K9/0022—Casings with localised screening of components mounted on printed circuit boards [PCB]
- H05K9/0024—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields
Definitions
- the present invention relates to an antenna device and an antenna assembly, and more particularly, to an antenna device for wireless communication and an antenna assembly used therein.
- Wireless communication technology for example, multiple input multiple output (MIMO) technology is a technology that dramatically increases the data transmission capacity by using a plurality of antennas, the transmitter transmits different data through each transmit antenna, the receiver It is a spatial multiplexing technique that separates the transmitted data through proper signal processing.
- MIMO multiple input multiple output
- the channel capacity increases to allow more data to be transmitted. For example, if you increase the number of antennas to 10, you get about 10 times the channel capacity using the same frequency band compared to the current single antenna system.
- 4G LTE-advanced uses up to 8 antennas.
- products with 64 or 128 antennas are being developed in the pre-5G phase, and base station equipment with a much larger number of antennas is expected to be used in 5G.
- This is called Massive MIMO technology.
- the current cell operation is 2-Dimension, 3D-Beamforming is possible when Massive MIMO technology is introduced, so it is also called FD-MIMO (Full Dimension).
- Massive MIMO In Massive MIMO technology, as the number of antennas increases, so does the number of transmitters and filters. Nevertheless, due to installation cost or space constraints, making RF components (Antenna / Filter / Power Amplifier / Transceiver etc.) small, light and inexpensive will determine the success or failure of antenna devices employing Massive MIMO technology. .
- Massive MIMO requires high power to extend coverage, and the power consumption and heat generated by this high power are a negative factor in reducing weight and size.
- the problem to be solved by the present invention is to provide an antenna device having a configuration that can efficiently radiate heat.
- Another problem to be solved by the present invention is to provide an MIMO antenna assembly of a compact and lightweight laminated structure and an antenna device including the same.
- a plurality of antenna elements, a plurality of antenna elements are provided on the first PCB is installed on one surface, the other surface of the first PCB, a plurality of cavity filters electrically connected to the plurality of antenna elements, and a plurality of cavity filters on one surface
- a second PCB comprising at least a power amplifier, a digital processing circuit, a calibration network, the second PCB comprising at least one first processing region and at least one second processing region extending in parallel with each other;
- the processing circuit may be disposed only in a second processing region of the first processing region and the second processing region, and the power amplifier may be disposed only in a first processing region of the first processing region and the second processing region, and an antenna apparatus including the same. to provide.
- FIG. 1 is a front perspective view of an antenna device according to an embodiment of the present invention.
- FIG. 2 is a diagram illustrating a laminated structure of a massive MIMO antenna system according to an embodiment of the present invention.
- FIG. 3 is an exploded view of a massive MIMO antenna according to an embodiment of the present invention taking the stacked structure of FIG.
- FIG. 4 is an exploded view of a subassembly in which filters are coupled to a first PCB to which an antenna element is coupled according to an embodiment of the present invention.
- FIG. 5 is a perspective view illustrating a device arrangement structure on a second PCB according to an embodiment of the present invention.
- FIG. 6 is a perspective view illustrating a device arrangement structure on a second PCB according to another embodiment of the present invention.
- FIG. 7 is a perspective view illustrating a device arrangement structure on a second PCB according to another embodiment of the present invention.
- FIG. 8 is a partially exploded perspective view illustrating a second PCB, a separate body housing, and a heat sink according to another embodiment of the present invention.
- FIG. 1 is a front perspective view of an antenna device according to an embodiment of the present invention.
- An antenna device may include an antenna assembly 10, an antenna body 20, and a power supply module 30.
- An antenna device is a kind of energy conversion and consumption device for converting electrical energy into wireless transmission and reception radio waves, and generates a considerable amount of heat in accordance with energy conversion and consumption. If the wireless transmit / receive module inside the body housing overheats, the device life will be significantly reduced.
- the sensitivity of the wireless transmission / reception module may vary. In particular, the temperature deviation according to the position of the wireless transmission / reception module may generate a sensitivity deviation for each wireless transmission / reception module. The sensitivity difference or positional sensitivity deviation according to the temperature of the wireless transmission / reception module may not only impair the transmission / reception accuracy of the antenna device, and thus may reduce the transmission / reception speed.
- the present invention proposes a massive MIMO antenna having an advantage in the size and weight of the antenna device in the stacked structure of the massive MIMO antenna, and capable of efficient heat generation.
- FIG. 2 is a diagram illustrating a laminated structure of a massive MIMO antenna according to an embodiment of the present invention.
- FIG. 3 is an exploded view of a massive MIMO antenna according to an embodiment of the present invention taking the stacked structure of FIG. 4 is an exploded view of a subassembly in which filters 130 are coupled to a first PCB 120 to which an antenna element 110 is coupled according to an embodiment of the present invention.
- the filter 130 used in the present invention may be a cavity filter 130 as an example.
- the antenna body 20 is illustrated as a configuration of a massive MIMO antenna.
- the antenna body 20, which is a massive MIMO antenna has a radome 210, a heat sink 220 having a heat dissipation means 220, an example of a heat dissipation fin 221, and a space between them.
- the antenna assembly 10 may be configured in a form in which modules in which digital elements are implemented are combined in a stacked structure.
- the stacked structure according to the embodiment of the present invention illustrated in FIG. 2 is electrically connected to signal lines of the first PCB 120, the first PCB 120, and the second PCB 140 to which a plurality of antenna elements are coupled. It may be configured to include a filter 130 to be connected, a digital processing circuit, an analog processing circuit forming a power amplifier, a second PCB 140 including a calibration network.
- a calibration network is formed on one board together with the power amplifier and the digital processing circuit, the power amplifier, the calibration network, the digital processing circuit, and the filter 130 are interposed. No RF cable connection is required.
- the laminated structure of FIG. 2 is composed of fewer layers than in the prior art.
- This structure does not need to be connected by the RF connector between the filter 130 and the PCB, has the advantage of reducing the size of the antenna assembly efficiently.
- the calibration network is usually composed of a plurality of switches, and RF couplers coupled to one end of each filter 130. Connected with Therefore, since the power supply network and the filter 130 can only be connected through the RF connector, there is a problem in that weight and size increase.
- the analog board and the digital board on which the power amplifier is formed are configured in separate layers, and each layer is connected to each other through an RF connector, which makes it difficult to reduce weight and size.
- the stacking structure of the MIMO system according to the embodiment of the present invention shown in FIG. 2 has an advantage in terms of size and weight, and also has a more advantageous advantage in terms of heat generation by reducing the density of devices integrated on one PCB. There is this.
- This can be further maximized by replacing the interface connector of the digital signal processing unit with a PCB pattern and replacing the RF interface connector with a surface contact method on the PCB pattern. That is, the above advantages can be maximized from the configuration in which the digital processing circuit and the calibration network are formed in the PCB pattern on the second PCB 140 and the second PCB 140 and the filter 130 are connected in a surface contact manner. .
- the advantage of the stacked structure of the Massive MIMO antenna system according to an embodiment of the present invention shown in Figure 2 on the at least one PCB, for example, on the second PCB 140, the transceiver circuit, power amplifier, Both calibration networks and digital processing circuits can be more prominent from the particular layout structure that distinguishes and efficiently locates areas.
- This particular layout structure takes into account the heat generated by the integration of many devices on a single PCB, resulting in higher integration density, and the heat dissipation techniques that eliminate that heat.
- the PCB may be a second PCB 140, the above object can be achieved by one or more first processing region and the second processing region arranged in parallel with each other on the second PCB (140).
- FIG. 5 is a plan view illustrating a device arrangement structure on one PCB according to an embodiment of the present invention.
- a PCB may include a port region 143, a first processing region 141, and a second processing region 142.
- the port region 143 may be disposed at at least one end of the PCB.
- the port installed in the port area 143 may be an optical port.
- the present invention is not limited thereto, and the port may be a digital signal terminal or an analog signal terminal for transmitting and receiving a digital signal or an analog signal with an external device.
- the port region 143 may extend along at least one edge on the substrate. In an example, the port region 143 may extend along some edges of the first processing region 141 or the second processing region 142.
- a direction parallel to at least one edge of the substrate on which the port region 143 is formed or a direction in which the port region 143 extends is collectively referred to as a "lateral direction”.
- the port region 143 may extend laterally at at least one edge of the PCB substrate.
- region extends in what direction
- region is a rectangular shape which has long length compared with the width
- the first processing region 141 is used to mean a region in which a digital processing circuit is not disposed as at least a circuit region in which a power amplifier is installed.
- the second processing region 142 is at least an area in which a digital processing circuit is disposed and is used to mean an area in which a power amplifier is not disposed.
- the scope of the present invention is equivalent. Should be considered to be included.
- the first processing region 141 is not only a power amplifier but also a circuit region in which an analog processing circuit (transceiver circuit) and a calibration network are provided for providing a plurality of transmit / receive (TX / RX) circuits. Can be.
- the cavity filter may be electrically connected to the PCB through the first processing region 141.
- the cavity filter may be electrically connected to the first processing region 141 to the PCB through a pin contact terminal formed in the first processing region 141.
- the first processing region 141 may extend transversely. That is, the first processing region 141 may extend in a direction parallel to at least one edge of the PCB substrate on which the port region 143 is formed.
- the second processing region 142 may be a circuit region in which digital processing circuits are installed.
- the digital processing circuit may include a circuit configuration of an IC chip and its accessories for digital signal processing.
- the first processing region 141 and the second processing region 142 may exhibit a difference in heat generation amount.
- an area in which a transceiver circuit, a calibration network, and a power amplifier are arranged in a group on one PCB may be defined as the first processing area 141, and digital processing on one PCB.
- the region in which the circuits are arranged in groups may be defined as the second processing region 142.
- the present invention is not limited to this.
- the components included in each of the first processing region 141 and the second processing region 142 are not excluded.
- the second processing region 142 may be electrically connected to the elements of the first processing region 141 through circuit wiring provided in the second PCB 140.
- the second processing region 142 may extend transversely. That is, the second processing region 142 may extend in a direction parallel to at least one edge of the substrate of the second PCB on which the port region 143 is formed.
- the first processing region 141 may be composed of three regions, and at least one region of the first processing region 141 may be disposed adjacent to the port region 143. have.
- the second processing region 142 may be disposed between the first processing regions 141. That is, in one embodiment of the present invention, the first processing region 141 and the second processing region 142 may be alternately arranged.
- the circuit of the first processing region 141 extending laterally and the circuit of the second processing region 142 are alternately arranged, the first processing region 141 Locally biased heat generated in the power amplifier of the circuit can be prevented.
- the second processing region 142 circuit which may generate relatively little heat, may perform a kind of heat absorption and heat sink function for the first processing region 141 circuit, thereby improving cooling performance of the substrate. Can be increased.
- 6 and 7 are plan views illustrating a device arrangement structure on one PCB according to another embodiment of the present invention.
- the arrangement structure illustrated in FIG. 5 has a structural effect that can be arranged so that the amount of heat generated in the power amplifier is accumulated upward, but problems may occur according to system performance requirements. have.
- the power amplifier arrangement is concentrated in the center, so that the heat generation is concentrated in the center, and the dispersion of the digital processing circuit causes signal distortion when a large number of digital high speed signals have a flow of signals processed through the power amplifier PCB layer. It has a potential factor.
- a PCB according to another embodiment of the present invention may include a port region 143, a first processing region 141, and a second processing region 142.
- the PCB may be, for example, the second PCB 140 of the stacked structure of the massive MIMO antenna system shown in FIG. 2.
- PCB according to another embodiment of the present invention is different in the direction and structure of the first processing region 141 and the second processing region 142 compared to the PCB according to an embodiment of the present invention described with reference to FIG. .
- FIG. 6 focusing on the difference between the region arrangement structure of the PCB according to an embodiment of the present invention described above with reference to FIG. 5 and the region arrangement structure of the PCB according to another embodiment of the present invention and repeated Description is omitted.
- the port region 143 may extend along at least one edge on the substrate.
- the first processing region 141 may extend in the longitudinal direction.
- the longitudinal direction refers to a direction perpendicular to the transverse direction, that is, a direction perpendicular to at least one edge of the formed PCB substrate on which the port region 143 is formed.
- the second processing region 142 may extend in the longitudinal direction.
- the second processing region 142 may be disposed adjacent to two long sides, that is, an edge formed at one end of the PCB on which the port region 143 is formed.
- first processing region 141 may be disposed between the two second processing regions 142.
- At least one end of the second processing region 142 may be disposed adjacent to an edge formed at one end of the port region 143.
- the second processing region 142 may be connected to an external signal transmission port of the port region 143, for example, an integrated circuit wiring to an optical port.
- an electrical signal path leading to the port region 143, the second processing region 142, and the first processing region 141 may be established.
- other layer wiring structures need not be used through separate bypass paths, eg vias, for such electrical signal paths or wiring arrangements, thereby reducing the number of layers in the PCB.
- the digital processing circuit of the second processing region 142 is a port region 143, for example.
- wiring to bypass the first processing region 141 is required to be connected to the optical port, which bypass wiring requires, for example, to be bypassed via vias to other layers of the multilayer PCB.
- Such bypass wiring can increase the length and complexity of the transmission path, which can cause signal distortion in high-speed digital signal processing.
- FIG. 6 another embodiment of the present invention illustrated in FIG. 6, that is, the vertically arranged structure, may reduce the length and complexity of the transmission path to improve its electrical characteristics. Simplification of the wiring structure also has the advantage of increasing transmission accuracy and speed. In addition, according to this vertical arrangement structure, the wiring design difficulty, productivity and cost reduction of the PCB can be achieved.
- the second processing region 142 when the digital processing circuit of the second processing region 142 has a high complexity, the second processing region 142 may be a higher heating source than the first processing region 141. . In this case, the second processing region 142 may have a relatively higher temperature than the first processing region 141.
- the second processing region 142 may be disposed at the edge of the PCB, the edge region being in contact with the outside air or outside air compared to the central region where the first processing region 141 is disposed. A wider area may be contacted with the 230 and the heat sink 220. Thus, the heat dissipation of the second processing region 142 which can be heated to a relatively high temperature can be increased, and the overall temperature distribution of the PCB can be made uniform.
- the device arrangement structure on the PCB according to another embodiment of the present invention is similar to the device arrangement structure on the PCB according to another embodiment of the present invention shown in Figure 6, except that the first processing region 141 and the second There may only be a difference in placement of the processing region 142. That is, in the device arrangement structure on the PCB according to another embodiment of the present invention, compared to the device arrangement structure on the PCB according to another embodiment of the present invention of Figure 6 the first processing region 141 and the second processing region 142 The difference is that the position of is reversed.
- the difference between the area arrangement structure of the PCB according to the embodiment of the present invention described above and the area arrangement structure of the PCB according to another embodiment of the present invention will be described, and repeated descriptions are omitted.
- the port region 143 may extend along at least one edge on the substrate.
- first processing region 141 and the second processing region 142 may extend in the longitudinal direction.
- the first processing region 141 may be disposed adjacent to two long sides, that is, two corners perpendicular to at least one edge of the PCB on which the port region 143 is formed.
- the second processing region 142 may be disposed between the two first processing regions 141.
- the second processing region 142 may be disposed adjacent to the port region 143.
- the second processing region 142 may be connected to an external signal transmission port of the port region 143, for example, an integrated circuit wiring to an optical port.
- the first processing region 141 may also be disposed adjacent to the port region 143.
- the device arrangement structure according to another embodiment of the present invention is an exemplary arrangement structure assuming when the power amplifier is a relatively high heat generating source.
- the first processing region 141 may be disposed at an edge of the PCB, and the edge region may be disposed in the housing and the heat sink 220 that are in contact with the outside air or the outside air compared to the center region where the second processing region 142 is disposed. It can be contacted with a larger area.
- the heat dissipation of the first processing region 141 which can be heated to a relatively high temperature can be increased, and the temperature distribution of the entire PCB can be made uniform.
- FIG. 8 is a partially bonded perspective view and a partially exploded perspective view of the second PCB and the separate body housing 230 and the heat sink 220 according to another embodiment of the present invention.
- a separate heat sink including a separate high heat dissipation means 220 (for example, a heat dissipation fin 221) 220) may be disposed.
- the PCB to be heat dissipated may be, for example, the second PCB 140.
- the second processing region 142 which is disposed on the edge side of the PCB and is a relatively high heating source (or the first processing region 141 when the first processing region 141 is a high heating source according to design characteristics).
- the heat sink 220 having a high thermal conductivity may be separately installed in the lower region of the PCB.
- the heat sink 220 may be formed of a material such as copper or aluminum having a higher thermal conductivity than that of the body housing 230.
- the heat sink 220 may be installed in the lower region of the second PCB 140.
- the body housing 230 may be disposed in the lower region of the second PCB 140, and the heat sink 220 may be disposed to be detachably disposed below the body housing 230. That is, the heat sink 220 may be a separate heat sink 220.
- the heat sink 220 may include a heat sink body 222 and a heat dissipation fin 221. The heat sink 220 may increase heat dissipation efficiency of the second PCB 140 by directly receiving heat generated from the second PCB 140 through the long groove 231.
- the long groove 231 formed in the main body housing 230 may be formed along both edge surfaces of the housing as an example, but is not limited thereto and may be formed in various arrangements. Heat generated in the second PCB 140 may be directly transferred to the heat sink 220 through the long groove 231 formed in the body housing 230. For example, when a relatively high heat generating processing region of the first processing region 141 and the second processing region 142 is disposed at an edge side of the second PCB 140, the second PCB 140 may be formed.
- the long groove 231 of the body housing 230 may be formed in the lower region of the edge side of the second PCB 140 in which the processing region which is a relatively high heat generating source is formed.
- the separate heat sink 220 may be disposed in the lower region of the edge side of the second PCB 140 in which the processing region which is a relatively high heat generating source is formed among the second PCB 140.
- a contact surface may be formed between the second PCB 140 and the heat sink 220, so that heat radiation may be more smoothly performed.
- a protrusion 223 is formed on an upper surface of the heat sink 220, and the protrusion 223 is in contact with one surface of the second PCB 140 so that the heat radiation of the second PCB 140 may be more smoothly performed. can do.
- the heat sink 220 of high heat dissipation which is installed separately, may be manufactured by a die casting or an extrusion process of a separate housing. By concentrating the heat dissipation performance on the region of relatively high temperature, the heat dissipation fin 221 of the region of relatively low heat source may be deleted or its size may be reduced. As a result, it is possible to reduce the total volume and weight of the antenna device according to the present disclosure.
- the first processing region 141 is a heat generating source higher than the second processing region 142
- the first processing region 141 is disposed on the edge side of the second PCB 140
- the heat sink 220 The first processing region 141 may be disposed on a bottom surface of the edge side of the second PCB 140.
- a relatively high heat generating processing region of the first processing region 141 and the second processing region 142 is disposed on the edge side of the second PCB 140, and the lower side of the edge side of the second PCB 140 is present.
- the heat sink 220 may be disposed in the area.
- the separate heat sink 220 may be disposed on the bottom surface of the second PCB 140 by extending in a direction perpendicular to the direction in which the first processing region 141 and the second processing region 142 extend.
- the separate heatsink 220 is disposed across the area formed on the edge side of the second PCB 140 among the first processing area 141 and the second processing area 142, thereby providing the first processing area 141.
- the heat sink 220 may be disposed on the entire lower surface of the second PCB 140 as long as the arrangement allows.
- the heat sink 220 having a high heat dissipation characteristic may change its size and structure according to heat dissipation characteristics required according to product characteristics and output. For example, the length of the heat dissipation fin 221 may be changed. Therefore, without changing the appearance of the present product, heat dissipation characteristics can be provided to meet the required output.
- the heat sink 220 may be integral or separate. If the heat sink 220 is a separate type, it is possible to replace with another heat sink 220 appropriate to the characteristics or output of the product.
- the separate high heat dissipation heat sink 220 may include one or more contact recesses.
- the contact recess may be in contact with the rear surface of the PCB, for example, in contact with the rear surface of the region where the high heat generating element of the second processing region 142 is located.
- heat generated locally in a high heat generating element for example, an FPGA or a dynamic signal processing chip of the second processing region 142 may be directly radiated to the outside, thereby uniformly distributing the temperature distribution of the PCB. have.
- the heat from the locally generated heating element can be directly radiated or extracted through the contact recess, the heat dissipation efficiency of the separate high heat dissipation fin 221 or the heat sink 220 can be increased, thereby, the whole system.
- the size and weight of the heat dissipation fin 221 or the heat sink 220 can be reduced.
- antenna assembly 20 antenna body
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- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Transceivers (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Support Of Aerials (AREA)
Abstract
Description
Claims (10)
- 복수의 안테나 소자;상기 복수의 안테나 소자가 일면상에 설치된 제1 PCB;상기 제1 PCB의 타면에 설치되며, 상기 복수의 안테나 소자에 전기적으로 연결되는 복수의 캐비티 필터; 및일면 상에서, 상기 복수의 캐비티필터에 전기적으로 연결되며, 적어도 파워엠프, 디지털 프로세싱 회로, 캘리브레이션 네트워크를 포함하는 제2PCB를 포함하되,상기 제2PCB는 서로 나란한 방향으로 연장되는 하나 이상의 제1 프로세싱 영역과 하나 이상의 제2 프로세싱 영역을 포함하며, 상기 디지털 프로세싱 회로는 상기 제1 프로세싱 영역과 상기 제2프로세싱 영역 중 제2 프로세싱 영역에만 배치되고, 상기 파워엠프는 상기 제1 프로세싱 영역과 상기 제2 프로세싱 영역 중 상기 제1 프로세싱 영역에만 배치되는 것을 특징으로 하는 안테나 어셈블리.
- 제1항에 있어서,상기 제1 프로세싱 영역 및 상기 제2 프로세싱 영역의 일부 모서리를 따라 연장하는 포트 영역이 형성되며,상기 제1 프로세싱 영역과 상기 제2 프로세싱 영역은 상기 포트 영역이 형성된 기판 상의 일단에 형성된 모서리에 수직한 방향으로 연장하고, 상기 제1 프로세싱 영역 및 상기 제2 프로세싱 영역의 일 모서리는 상기 포트 영역이 형성된 기판 상의 일단에 형성된 모서리에 인접하게 배치되는 것을 특징으로 하는 안테나 어셈블리.
- 제1항에 있어서,상기 제1 프로세싱 영역의 일 모서리를 따라 연장하는 포트 영역이 형성되며,상기 제1 프로세싱 영역과 상기 제2 프로세싱 영역은 상기 포트 영역이 연장된 방향과 평행한 방향으로 연장하고, 상기 제1 프로세싱 영역은 상기 포트 영역이 형성된 기판 상의 일단에 형성된 모서리에 인접하게 배치되는 것을 특징으로 하는 안테나 어셈블리.
- 제2항 또는 제3항에 있어서,상기 제 1 프로세싱 영역과 제2 프로세싱 영역은 교번되어 배치되는 것을 특징으로 하는 안테나 어셈블리.
- 제1항에 있어서,상기 디지털 프로세싱 회로 및 상기 캘리브레이션 네트워크는 상기 제2 PCB 상에 PCB 패턴으로 형성되며,상기 제2 PCB와 상기 필터는 면접촉 방식으로 연결되는 것을 특징으로 하는 안테나 어셈블리.
- 제5항에 있어서,상기 제2 프로세싱 영역은 상기 포트 영역과 직접 회로 배선으로 연결된 것을 특징으로 하는 안테나 어셈블리.
- 제1항의 안테나 어셈블리를 포함하는 안테나 장치로서,상기 안테나 어셈블리의 제2PCB의 하면에 배치되는, 장홈이 형성된 본체 하우징;상기 본체 하우징의 하면에 탈착가능하게 배치되며, 히트싱크 본체 및 방열 핀을 구비하는 분리형 히트싱크를 포함하며,상기 분리형 히트싱크는 상기 장홈을 통해 상기 제2PCB에서 발생된 열을 전달받을 수 있는 것을 특징으로 하는 안테나 장치.
- 제7항에 있어서,상기 제1 프로세싱 영역과 상기 제2 프로세싱 영역 중 상대적으로 고 발열원인 프로세싱 영역이 상기 제2 PCB의 가장자리측에 배치되며, 상기 제2 PCB 중 상대적으로 고 발열원인 프로세싱 영역이 형성된 가장자리측의 하부 영역에 상기 본체 하우징의 장홈이 형성되며, 상기 분리형 히트싱크가 배치되는 것을 특징으로 하는 안테나 장치.
- 제7항에 있어서,상기 분리형 히트싱크의 상기 히트싱크 본체 상면에는 돌출부가 형성되고, 상기 돌출부는 상기 제2PCB의 하면에 접촉되어 상기 제2PCB로부터 직접 열을 전달받을 수 있는 것을 특징으로 하는 안테나 장치.
- 제7항에 있어서,상기 분리형 히트싱크는 상기 본체 하우징 보다 열전도도가 높은 소재로 이루어 지는 것을 특징으로 하는 안테나 장치.
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