CN106856653B - Remote radio device and components thereof - Google Patents
Remote radio device and components thereof Download PDFInfo
- Publication number
- CN106856653B CN106856653B CN201510896866.XA CN201510896866A CN106856653B CN 106856653 B CN106856653 B CN 106856653B CN 201510896866 A CN201510896866 A CN 201510896866A CN 106856653 B CN106856653 B CN 106856653B
- Authority
- CN
- China
- Prior art keywords
- optical module
- radiator
- main board
- rru
- motherboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 111
- 238000012423 maintenance Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 239000002390 adhesive tape Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20127—Natural convection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Abstract
The invention discloses a radio remote device, which comprises: the device comprises a body, a main board radiator, a maintenance cavity, an optical module and an optical module radiator; the maintenance cavity is integrally connected with the optical module radiator; the optical module is arranged on the bottom surface of the optical module radiator; the maintenance cavity and the optical module radiator are arranged on the side surface of the body; the main board radiator is arranged on the main board in a covering mode, the main board radiator and the main board are arranged on the front face of the main body, and a preset distance is reserved between the main board radiator and the optical module radiator. According to the RRU, the optical module radiator and the main board radiator are separated, so that the heat conduction path between the optical module radiator and the main board radiator is prolonged, the temperature of the optical module radiator is reduced, meanwhile, the temperature influence of the optical module is weakened, and the temperature of the optical module can be controlled within the range of specification requirements.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a radio remote device and a radio remote component.
Background
The remote radio unit (Radio Remote Unit, RRU) is a component of the base station, and is mainly used for down-converting and filtering the baseband signal, amplifying the linear power and transmitting the amplified linear power to the antenna feeder. And the uplink carries out filtering, low noise amplification, further radio frequency small signal amplification filtering and down-conversion on the received uplink signal of the mobile terminal side, and then analog-to-digital conversion, digital intermediate frequency processing and the like are completed.
Structurally, the RRU includes a Small Form-factor Pluggables (SFP), an RRU motherboard and a heat sink, the SFP and RRU motherboard being disposed on the same large board, sharing a heat sink.
The temperature specification of the critical devices of the motherboard is typically 105-125 ℃, but the temperature specification of the SFP is typically 85-90 ℃. The heat consumption of the SFP is 1-2W, the temperature rise caused by the heat consumption is small, but the heat of the radiator at the SFP is also increased due to the large heat consumption of the main board, and finally the SFP temperature exceeds the specification requirement.
Disclosure of Invention
In order to solve the problems that SFP (small form-factor pluggable) is poor in heat dissipation and the temperature exceeds the specification requirement in the prior art, the embodiment of the invention provides the RRU, which prolongs the heat conduction path between the optical module radiator and the main board radiator, reduces the temperature of the optical module radiator, and also weakens the temperature influence on the optical module, so that the temperature of the optical module can be controlled within the range of the specification requirement. The embodiment of the invention also provides a corresponding component of the RRU.
The first aspect of the present invention provides a remote radio unit RRU, including: the device comprises a body, a main board radiator, a maintenance cavity, an optical module and an optical module radiator;
the maintenance cavity is integrally connected with the optical module radiator;
the optical module is arranged on the bottom surface of the optical module radiator;
the maintenance cavity and the optical module radiator are arranged on the side face of the body;
the main board radiator is installed on the main board in a covering mode, the main board radiator and the main board are installed on the front face of the main body, and a preset distance is reserved between the main board radiator and the optical module radiator.
With reference to the first aspect, in a first possible implementation manner, the main board radiator and the optical module radiator are in supporting connection through a plurality of supporting pieces, and the plurality of supporting pieces are used for avoiding the air between the main board radiator and the optical module radiator.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner, a first waterproof adhesive tape is installed at a space between the motherboard radiator and the optical module radiator.
With reference to the first aspect, the first or the second possible implementation manner of the first aspect, in a third possible implementation manner, the maintenance cavity includes an outlet cavity and an outlet cavity cover plate, and the outlet cavity cover plate is connected to the maintenance cavity through a connecting piece.
With reference to the third possible implementation manner of the first aspect, in a fourth possible implementation manner, the outlet cavity cover plate is provided with a second waterproof adhesive tape around.
A second aspect of the present invention provides a component of a remote radio RRU, the component comprising: maintenance cavity, optical module and optical module radiator;
the maintenance cavity is integrally connected with the optical module radiator;
the optical module is arranged on the bottom surface of the optical module radiator;
the maintenance cavity and the optical module radiator are arranged on the side face of the body;
the main board of the RRU is arranged on the front face of the body, a main board radiator is arranged on the main board in a covering mode, and a preset distance is reserved between the main board radiator and the optical module radiator.
With reference to the second aspect, in a first possible implementation manner, the main board radiator and the optical module radiator are in supporting connection through a plurality of supporting pieces, and the plurality of supporting pieces are used for avoiding air between the main board radiator and the optical module radiator.
With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner, a first waterproof adhesive tape is installed at a space between the motherboard radiator and the optical module radiator.
With reference to the second aspect, the first or the second possible implementation manner of the second aspect, in a third possible implementation manner, the maintenance cavity includes an outlet cavity and an outlet cavity cover plate, and the outlet cavity cover plate is connected to the maintenance cavity through a connecting piece.
With reference to the third possible implementation manner of the second aspect, in a fourth possible implementation manner, a second waterproof adhesive tape is installed around the outlet cavity cover plate.
Compared with the prior art that the temperature of the optical module exceeds the specification due to the fact that the optical module and the main board share the same radiator, the RRU provided by the embodiment of the invention has the advantages that the optical module radiator and the main board radiator are separated, the heat conduction path between the optical module radiator and the main board radiator is prolonged, the temperature of the optical module radiator is reduced, meanwhile, the temperature influence of the optical module is weakened, and the temperature of the optical module can be controlled within the range required by the specification.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may 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 RRU according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a connection relationship between a motherboard heat sink and an optical module heat sink in an embodiment of the present invention;
figure 3 is a block diagram of RRU components in an embodiment of the present invention;
figure 4 is a block diagram of the components of an RRU in an embodiment of the invention;
figure 5 is an overall block diagram of the components of the RRU in an embodiment of the invention.
Detailed Description
The embodiment of the invention provides the RRU, which can lengthen the heat conduction path between the optical module radiator and the main board radiator, reduce the temperature of the optical module radiator, and weaken the temperature influence of the optical module, so that the temperature of the optical module can be controlled within the range of the specification requirement. The embodiment of the invention also provides a corresponding component of the RRU. The following will describe in detail.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Fig. 1 is a schematic structural diagram of an RRU according to an embodiment of the present invention.
Referring to fig. 1, an embodiment of a remote radio RRU provided in an embodiment of the present invention includes:
the main body 10, the main board 20, the main board heat sink 30, the maintenance cavity 40, the optical module 50 (mounted on the bottom surface of the optical module heat sink 60, not visible in fig. 1), and the optical module heat sink 60; wherein the maintenance cavity 40 is integrally connected with the optical module heat sink 60; the optical module 50 is installed on the bottom surface of the optical module radiator 60, and the maintenance cavity 40 and the optical module radiator 60 are installed on the side surface of the body; the motherboard radiator 30 is blanket-mounted on the motherboard 20, that is, the motherboard 20 is fixedly mounted on the motherboard radiator 30, the motherboard radiator 30 and the motherboard 20 are mounted on the front surface of the body, the optical module radiator 60 is in a vertical relationship or tends to be vertical with the motherboard radiator 30, and the motherboard radiator 30 and the optical module radiator 60 are spaced apart by a predetermined distance.
The front side in the embodiments of the present invention may be understood as the large area so as not to be covered, and the side may be understood as the small area, and in fact, only the optical module heat sink 60 and the motherboard heat sink 30 are expressed to be located on different planes, respectively.
According to the RRU provided by the embodiment of the invention, the optical module radiator 60 is separated from the main board radiator 30, so that the heat conduction path between the optical module radiator 60 and the main board radiator 30 is prolonged, the temperature of the optical module radiator 60 is reduced, the temperature influence on the optical module 50 is reduced, and the temperature of the optical module can be controlled within the range of the specification requirement.
Fig. 2 is a cross-sectional view of a connection relationship between a motherboard heat sink and an optical module heat sink in an embodiment of the invention.
Referring to fig. 2, support connection is achieved between the motherboard radiator 30 and the optical module radiator 60 through a plurality of support members 70, so that clearance between the motherboard radiator 30 and the optical module radiator 60 is achieved.
The support member 70 may be a cylindrical screw or a boss, or may be a support member of another shape, and the shape of the support member is not particularly limited in the embodiment of the present invention.
The main board radiator 30 and the optical module radiator 60 are in supporting connection through the column or the boss, so that the contact area between the main board radiator 30 and the optical module radiator 60 can be reduced, the heat transfer area is reduced, the temperature of the optical module radiator 60 is further controlled, and the temperature of the optical module 50 is controlled.
A waterproof adhesive tape is further installed at the interval between the main board radiator 30 and the optical module radiator 60, and can prevent water from entering the optical module through the interval between the main board radiator 30 and the optical module radiator 60.
Fig. 3 is a block diagram of RRU components in an embodiment of the present invention.
The RRU component provided by the embodiment of the invention comprises: the maintenance cavity 40, the optical module 50 and the optical module radiator 60 are integrally connected, and the optical module 50 is installed on the bottom surface of the optical module radiator 60.
Fig. 4 is a schematic diagram of a separation structure of components of an RRU according to an embodiment of the present invention.
Referring to fig. 4, the components of the RRU provided in the embodiment of the present invention include: the maintenance cavity 40, the optical module 50, the optical module radiator 60 and the maintenance cavity 40 are integrally connected with the optical module radiator 60, the optical module 50 is installed on the bottom surface of the optical module radiator 60, the maintenance cavity 40 comprises an outgoing line cavity 401 and an outgoing line cavity cover plate 402, and the outgoing line cavity cover plate 402 is connected to the maintenance cavity 40 through a connecting piece 403. The outlet cavity 401 can be closed when the outlet cavity cover plate 402 can be covered, and the outlet cavity 401 can be protected. The outlet chamber cover 402 can be opened to allow outlet.
The connecting piece 403 may be a micro-shaft, a buckle, a screw, or other parts capable of realizing a connecting function.
Fig. 5 is a schematic diagram of the overall structure of the components of the RRU according to an embodiment of the present invention.
Referring to fig. 5, waterproof adhesive strips 404 are installed around the outlet chamber cover plate 402. The waterproof adhesive tape 404 can be waterproof, and protects the cable in the outlet cavity 401.
The RRU component provided by the embodiment of the invention can separate the optical module radiator from the main board radiator, so that the heat conduction path between the optical module radiator and the main board radiator is prolonged, the temperature of the optical module radiator is reduced, the temperature influence on the optical module is weakened, and the temperature of the optical module can be controlled within the range of the specification requirement.
The foregoing describes the RRU and the components of the remote radio unit provided by the embodiments of the present invention in detail, and specific examples are applied to describe the principles and embodiments of the present invention, where the descriptions of the foregoing embodiments are only used to help understand the method and core idea of the present invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (10)
1. A remote radio RRU, comprising: the device comprises a body, a main board radiator, a maintenance cavity, an optical module and an optical module radiator;
the maintenance cavity is integrally connected with the optical module radiator;
the optical module is arranged on the bottom surface of the optical module radiator;
the maintenance cavity and the optical module radiator are arranged on the side face of the body;
the main board radiator is arranged on the main board in a covering way, the main board radiator and the main board are arranged on the front surface of the main body, and a preset distance is reserved between the main board radiator and the optical module radiator;
the optical module heat sink is in a perpendicular relationship or tends to be perpendicular to the motherboard heat sink, the optical module heat sink and the motherboard heat sink being located on different planes, respectively.
2. The RRU of claim 1, wherein the support connection between the motherboard heatsink and the optical module heatsink is achieved by a plurality of supports for clearance between the motherboard heatsink and the optical module heatsink.
3. The RRU of claim 2, wherein a first waterproof strip is mounted at a spacing between the motherboard heatsink and the optical module heatsink.
4. The RRU of any one of claims 1-3, wherein the maintenance cavity comprises an outlet cavity and an outlet cavity cover plate, the outlet cavity cover plate being connected to the maintenance cavity by a connector.
5. The RRU of claim 4, wherein a second waterproof strip is mounted around the outlet chamber cover.
6. A component of a remote radio RRU, the component comprising: the RRU comprises a maintenance cavity, an optical module and an optical module radiator, wherein the RRU comprises a body, a main board and a main board radiator;
the maintenance cavity is integrally connected with the optical module radiator;
the optical module is arranged on the bottom surface of the optical module radiator;
the maintenance cavity and the optical module radiator are arranged on the side face of the body;
the main board of the RRU is arranged on the front surface of the body, the main board is covered and provided with the main board radiator, and the main board radiator and the optical module radiator are separated by a preset distance;
the optical module heat sink is in a perpendicular relationship or tends to be perpendicular to the motherboard heat sink, the optical module heat sink and the motherboard heat sink being located on different planes, respectively.
7. The component of claim 6, wherein the support connection between the motherboard heatsink and the optical module heatsink is achieved by a plurality of supports for clearance between the motherboard heatsink and the optical module heatsink.
8. The component of claim 7, wherein a first flashing strip is mounted at a spacing between the motherboard heatsink and the optical module heatsink.
9. The component of any one of claims 6-8, wherein the maintenance cavity comprises an outlet cavity and an outlet cavity cover plate, the outlet cavity cover plate being connected to the maintenance cavity by a connector.
10. The component of claim 9, wherein a second strip of water-resistant glue is mounted around the outlet chamber cover.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510896866.XA CN106856653B (en) | 2015-12-08 | 2015-12-08 | Remote radio device and components thereof |
| EP20197990.3A EP3826442B1 (en) | 2015-12-08 | 2016-12-07 | Remote radio apparatus and component thereof |
| EP16872389.8A EP3376838B1 (en) | 2015-12-08 | 2016-12-07 | Radio remote unit and component thereof |
| PCT/CN2016/108867 WO2017097198A1 (en) | 2015-12-08 | 2016-12-07 | Radio remote unit and component thereof |
| US16/002,608 US10361784B2 (en) | 2015-12-08 | 2018-06-07 | Remote radio apparatus and component thereof |
| US16/516,515 US10735096B2 (en) | 2015-12-08 | 2019-07-19 | Remote radio apparatus and component thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510896866.XA CN106856653B (en) | 2015-12-08 | 2015-12-08 | Remote radio device and components thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106856653A CN106856653A (en) | 2017-06-16 |
| CN106856653B true CN106856653B (en) | 2023-11-03 |
Family
ID=59132886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510896866.XA Active CN106856653B (en) | 2015-12-08 | 2015-12-08 | Remote radio device and components thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106856653B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106856653A (en) | 2017-06-16 |
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