CN210694710U - Radio remote unit heat dissipation device - Google Patents
Radio remote unit heat dissipation device Download PDFInfo
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- CN210694710U CN210694710U CN201921307634.6U CN201921307634U CN210694710U CN 210694710 U CN210694710 U CN 210694710U CN 201921307634 U CN201921307634 U CN 201921307634U CN 210694710 U CN210694710 U CN 210694710U
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- cavity
- heat dissipation
- heat sink
- heat
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Abstract
The utility model discloses a unit heat abstractor is zoomed out to radio frequency, include: the device comprises a device main body, a heat dissipation plate, a liquid absorption core structure and a heating device, wherein an accommodating cavity and a heat dissipation port are formed in the device main body; the heat dissipation plate is arranged in the containing cavity, the containing cavity is isolated into a first cavity communicated with the heat dissipation port and a second cavity used for installing the heating device, a vacuum cavity filled with working media is arranged in the heat dissipation plate, the liquid absorption core structure is arranged in the vacuum cavity, and the distance between the liquid absorption core structure and the first cavity is smaller than the distance between the liquid absorption core structure and the second cavity; set up the heating panel in the device main part, keep apart into first cavity and second cavity, recycle wick structure and working medium in the heating panel, after the working medium is heated, dispel the heat toward first cavity orientation under wick structure's effect, the working medium after the heat dissipation is close to the second cavity again and absorbs the heat, comes and goes so to realize better radiating effect.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to a unit heat abstractor is drawn far to radio frequency.
Background
A Radio Remote Unit (Radio Remote Unit RRU) device can process the interconversion operation between Radio frequency signals and digital signals, when the Radio Remote Unit processes a large amount of signal conversion operation, internal electronic devices generate a large amount of heat, and if the heat cannot be reasonably dissipated, the normal operation of the RUU is affected, and the service life of the RRU is reduced.
The traditional RRU radiating mode mainly adopts natural cooling, heat exchange is enhanced by arranging radiating teeth and other parts on the RRU device main body, but a certain radiating space is required to be reserved to ensure the radiating effect, and the radiating capacity is unstable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a unit heat abstractor is drawn far to radio frequency can realize better radiating effect.
In order to solve the technical purpose, the utility model provides a unit heat abstractor is pulled away to radio frequency, include: the device comprises a device main body, a heat dissipation plate, a liquid absorption core structure and a heating device;
the device main body is provided with an accommodating cavity and a heat dissipation port;
the heat dissipation plate is arranged in the accommodating cavity, the accommodating cavity is separated into a first cavity communicated with the heat dissipation port and a second cavity used for mounting the heating device, and a vacuum cavity filled with working media is arranged in the heat dissipation plate;
the wick structure is arranged in the vacuum cavity, and the distance between the wick structure and the first cavity is smaller than the distance between the wick structure and the second cavity.
Further, the heat dissipation plate includes: a base plate and a cover plate;
the bottom plate and the cover plate are oppositely arranged, and the surface, opposite to the cover plate, on the bottom plate is a first plane;
an inner groove is formed in the first plane of the bottom plate, and the liquid suction core structure is arranged in the inner groove;
the cover plate sealing cover is arranged on the inner groove.
Further, the opposite surface of the first plane is a second plane;
the second plane of the bottom plate is provided with a plurality of bulges, the bulges are internally provided with concave cavities communicated with the inner grooves, and the concave cavities are internally provided with the liquid absorbing core structures.
Furthermore, the bulges are distributed in an array, and gap channels which are communicated with each other are formed between the adjacent bulges;
the clearance passage communicates with the first chamber.
Furthermore, the number of the heat dissipation ports is two, wherein one heat dissipation port is arranged at the top of the device main body and is communicated with the first chamber;
the other heat dissipation port is arranged at the bottom of the device main body and communicated with the first chamber.
Further, the air extractor is further included;
the air extractor is fixed on the heat dissipation port.
Further, the device also comprises a protective cover;
the protective cover is arranged outside the air extractor and is in sealing connection with the device main body.
Further, the air extractor is a cross-flow fan.
Further, the device main body includes a first housing and a second housing that is fitted to the first housing cover.
Further, the heating device is tightly attached to the heat dissipation plate.
According to the technical scheme provided by the utility model, the utility model discloses a set up the heating panel in the device main part and keep apart into the first cavity of heat dissipation usefulness in with the device main part and be used for installing the second cavity of the device that generates heat, wick structure and working medium in the heating panel are recycled, when liquid working medium changes into the gaseous state because of the heat influence in the second cavity, the working medium of gaseous state after the conversion is then near toward first cavity orientation under the effect of wick structure, and have the first cavity of louvre with the intercommunication to realize the heat transfer cooling, convert liquid working medium again after the cooling, the heat in the second cavity is removed in the circulation, thereby realize better radiating effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic view of an overall structure of a radio remote unit heat dissipation device provided in the present invention;
fig. 2 is an exploded schematic view of a radio remote unit heat dissipation device provided in the present invention;
fig. 3 is a schematic view of a heat dissipation plate structure of a radio remote unit heat dissipation device provided in the present invention;
in the figure: 1. a device main body; 1-1, a second shell; 1-2, a first shell; 2. a heat generating device; 3. a heat dissipation plate; 3-1, a bottom plate; 3-2, a cover plate; 4. an air extractor; 5. a protective cover.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The embodiment of the utility model discloses unit heat abstractor is drawn far to radio frequency is disclosed.
Referring to fig. 1 and fig. 2, an embodiment of a heat dissipation apparatus for a remote radio unit according to an embodiment of the present invention includes:
device main part 1, heating panel 3, wick structure (not shown in the figure) and generate heat device 2, be equipped with in the device main part 1 and accept the chamber, it accepts chamber and thermovent to have seted up on the device main part 1, heating panel 3 installs in acceping the intracavity, will accept the chamber and keep apart into the first cavity (not shown in the figure) of intercommunication thermovent and be used for installing the second cavity (not shown in the figure) of generating heat device 2, it has the vacuum cavity of working medium to be equipped with in the heating panel 3 to fill, wick structure sets up in the vacuum cavity, and the distance between wick structure and the first cavity is less than the distance between wick structure.
Specifically, the wick structure can be a conventional copper powder sintered structure, and the working medium is a liquid working medium and can be heated, evaporated, cooled and condensed, wherein the wick structure and the type of the working medium are selected, and a person skilled in the art can make corresponding conversion without limitation.
According to the technical scheme provided by the utility model, the utility model discloses a set up the first cavity of heating panel 3 in with device main part 1 interior isolation one-tenth heat dissipation usefulness and be used for installing the second cavity of device 2 that generates heat in device main part 1, the imbibition core structure and the working medium in the heating panel 3 of recycling, when liquid working medium changes into the gaseous state because of the heat influence in the second cavity, the working medium of gaseous state after the conversion is then near toward first cavity direction under the effect of imbibition core structure, and realize the heat transfer cooling with the first cavity that the intercommunication has the louvre, convert liquid working medium into again after the cooling, the heat in the second cavity is removed in the circulation, thereby realize better radiating effect.
The above is a first embodiment of a heat dissipation device for remote radio units according to the present application, and the following is a second embodiment of a heat dissipation device for remote radio units according to the present application, specifically referring to fig. 1 to 3.
The utility model provides a unit heat abstractor that remote radio frequency includes device main part 1, heating panel 3, wick structure and heating device 2, be equipped with in the device main part 1 and accept the chamber, it accepts chamber and thermovent to have seted up in the device main part 1, heating panel 3 installs in acceping the intracavity, will accept the chamber and keep apart into the first cavity of intercommunication thermovent and be used for installing the second cavity of heating device 2, it has the vacuum cavity of working medium to be equipped with the packing in the heating panel 3, wick structure sets up in the vacuum cavity, and the distance between wick structure and the first cavity is less than the distance between wick structure and the second cavity.
Further, referring to fig. 2 and 3, the heat dissipation plate 3 may have a structure design as follows, where the heat dissipation plate 3 includes a bottom plate 3-1 and a cover plate 3-2, a surface of the bottom plate opposite to the cover plate is a first plane, the first plane of the bottom plate is provided with an inner groove (not shown), the inner groove is provided with a wick structure, and the cover plate is sealed and disposed on the inner groove.
Specifically, the wick structure can be sintered on the inner groove of the bottom plate 3-1, the cover plate 3-2 is covered and fixed in a sealing mode, a sealing space formed between the bottom plate 3-1 and the cover plate 3-2 is vacuumized to form a vacuum cavity, and finally working media are injected into the vacuum cavity, so that the heat dissipation plate 3 is split into the bottom plate 3-1 and the cover plate 3-2 which is matched with the bottom plate 3-1 in a covering mode, the arrangement of the wick structure and the formation of the vacuum cavity are facilitated, and the processing convenience is improved.
Further, referring to fig. 2 and 3, the opposite surface of the first plane is a second plane, the bottom plate 3-1 has a plurality of protrusions (not shown) on the second plane, the protrusions have cavities (not shown) communicated with the inner grooves, and the cavities have wick structures.
Particularly, the bulge can be integrally formed with the bottom plate 3-1, the contact area between the second plane of the bottom plate 3-1 and the first cavity can be increased by the aid of the arranged bulge, the heat dissipation effect is further improved, the bulge is arranged in the cavity, and the corresponding liquid suction core structure is also arranged.
Further, the bulges are distributed in an array mode, gap channels which are communicated with each other are formed between the adjacent bulges, and the gap channels are communicated with the first cavity.
Specifically, the protrusions may be irregularly distributed, but a certain interval may exist between adjacent protrusions, so that poor heat dissipation effect of the protrusions caused by close contact can be avoided, and the heat dissipation effect can be better ensured.
Furthermore, the number of the heat dissipation ports is two, one of the heat dissipation ports is arranged at the top of the device main body 1 and communicated with the first chamber, and the other heat dissipation port is arranged at the bottom of the device main body 1 and communicated with the first chamber.
Specifically, as for the heat dissipation ports, the number of the heat dissipation ports is not limited, and in this embodiment, only one layout manner is provided, and the top and the bottom of the device main body 1 are respectively provided with the communicated heat dissipation ports, so that a through heat dissipation space can be formed by combining the first chamber, the flow of air is promoted, and the heat dissipation effect is further improved.
Furthermore, the heat radiator also comprises an air extractor 4, and the air extractor 4 is fixed on a heat radiation port.
Particularly, under the condition that the number of the heat dissipation holes is two, the air extractor 4 can be arranged on one of the heat dissipation holes to promote the flow of air flow, so that the outer side surface of the bottom plate 3-1 and the heat dissipation of the protrusions are accelerated, the heat conversion efficiency carried by the working medium in the heat dissipation plate 3 is improved, and the heat dissipation of the heating device 2 is promoted better.
Further, still include safety cover 5, safety cover 5 covers and is established outside aspirator 4 and with device main part 1 sealing connection.
Specifically, the protection of the air draft device 4 can be performed by providing the protection cover 5, wherein the protection cover is hermetically connected with the device body 1 for preventing rainwater from penetrating, the protection cover can be fastened by a fastener such as a screw, and waterproof glue is applied to the connection to perform waterproof treatment, and certainly, the protection cover is limited to such waterproof treatment, and those skilled in the art can make appropriate changes without particular limitation.
Further, the air extractor 4 is a cross flow fan.
Particularly, the cross-flow fan is small in size, convenient to install, uniform in air draft and convenient to use; of course, the present embodiment is not limited to the cross-flow fan, but may be a common fan such as a blower, and those skilled in the art may make appropriate changes, and the present invention is not limited to the above.
Further, the apparatus main body 1 includes a first casing 1-2 and a second casing 1-1 which is cover fitted to the first casing 1-2.
Specifically, the device body 1 is designed to be the installation and matching of the first casing 1-2 and the second casing 1-1, which facilitates the installation and arrangement of the heat sink 3 and the heat generating device 2, wherein the first casing 1-2 and the second casing 1-1 are also sealed in the same manner as a protective cover, which improves the overall waterproof performance, the heat sink 3 can be embedded in the first casing 1-2 or the second casing 1-1, so as to separate the accommodating cavity formed between the first casing 1-2 and the second casing 1-1, and the corresponding heat sink can be provided on the first casing 1-2 or the second casing 1-1, which is not limited specifically.
Further, the heat generating element 2 is closely attached to the heat dissipating plate 3.
Particularly, the heating device 2 is tightly attached to the heating panel 3 when being installed in the second chamber, so that the heat generated by the operation of the heating device 2 can be absorbed by the working medium in the heating panel 3 more quickly, and the heat dissipation speed is accelerated.
According to the technical scheme provided by the utility model, the utility model discloses a set up the first cavity of heating panel 3 in with device main part 1 interior isolation one-tenth heat dissipation usefulness and be used for installing the second cavity of device 2 that generates heat in device main part 1, the imbibition core structure and the working medium in the heating panel 3 of recycling, when liquid working medium changes into the gaseous state because of the heat influence in the second cavity, the working medium of gaseous state after the conversion is then near toward first cavity direction under the effect of imbibition core structure, and realize the heat transfer cooling with the first cavity that the intercommunication has the louvre, convert liquid working medium into again after the cooling, the heat in the second cavity is removed in the circulation, thereby realize better radiating effect.
It is right above the utility model provides a unit heat abstractor is drawn a word in detail to radio frequency that draws far has provided, to the general technical personnel in this field, according to the utility model discloses the thought all has the change part on concrete implementation and application scope, to sum up, this description content should not be understood as right the utility model discloses a restriction.
Claims (10)
1. A radio remote unit heat sink, comprising: the device comprises a device main body, a heat dissipation plate, a liquid absorption core structure and a heating device;
the device main body is provided with an accommodating cavity and a heat dissipation port;
the heat dissipation plate is arranged in the accommodating cavity, the accommodating cavity is separated into a first cavity communicated with the heat dissipation port and a second cavity used for mounting the heating device, and a vacuum cavity filled with working media is arranged in the heat dissipation plate;
the wick structure is arranged in the vacuum cavity, and the distance between the wick structure and the first cavity is smaller than the distance between the wick structure and the second cavity.
2. The remote radio unit heat sink of claim 1, wherein the heat sink comprises: a base plate and a cover plate;
the bottom plate and the cover plate are oppositely arranged, and the surface, opposite to the cover plate, on the bottom plate is a first plane;
an inner groove is formed in the first plane of the bottom plate, and the liquid suction core structure is arranged in the inner groove;
the cover plate sealing cover is arranged on the inner groove.
3. The remote radio unit heat sink as claimed in claim 2, wherein the opposite surface of the first plane is a second plane;
the second plane of the bottom plate is provided with a plurality of bulges, the bulges are internally provided with concave cavities communicated with the inner grooves, and the concave cavities are internally provided with the liquid absorbing core structures.
4. The remote radio unit heat sink as claimed in claim 3, wherein the protrusions are distributed in an array, and adjacent protrusions form a gap channel therebetween;
the clearance passage communicates with the first chamber.
5. The remote radio unit heat sink device as claimed in claim 1, wherein the number of the heat dissipating ports is two, and one of the heat dissipating ports is disposed at a top portion of the device body and communicates with the first chamber;
the other heat dissipation port is arranged at the bottom of the device main body and communicated with the first chamber.
6. The remote radio unit heat sink of claim 5, further comprising an air extractor;
the air extractor is fixed on the heat dissipation port.
7. The remote radio unit heat sink of claim 6, further comprising a protective cover;
the protective cover is arranged outside the air extractor and is in sealing connection with the device main body.
8. The apparatus as claimed in claim 6, wherein the air extractor is a cross-flow fan.
9. The apparatus according to claim 1, wherein the apparatus body comprises a first housing and a second housing coupled to the first housing.
10. The remote radio unit heat sink as claimed in claim 1, wherein the heat generating device is tightly attached to the heat sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307634.6U CN210694710U (en) | 2019-08-13 | 2019-08-13 | Radio remote unit heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307634.6U CN210694710U (en) | 2019-08-13 | 2019-08-13 | Radio remote unit heat dissipation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210694710U true CN210694710U (en) | 2020-06-05 |
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ID=70886239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921307634.6U Expired - Fee Related CN210694710U (en) | 2019-08-13 | 2019-08-13 | Radio remote unit heat dissipation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210694710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110402070A (en) * | 2019-08-13 | 2019-11-01 | 广东工业大学 | A kind of Remote Radio Unit radiator |
| WO2022027566A1 (en) * | 2020-08-07 | 2022-02-10 | 华为技术有限公司 | Heat radiator, method for manufacturing heat radiator and radio remote unit |
-
2019
- 2019-08-13 CN CN201921307634.6U patent/CN210694710U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110402070A (en) * | 2019-08-13 | 2019-11-01 | 广东工业大学 | A kind of Remote Radio Unit radiator |
| WO2022027566A1 (en) * | 2020-08-07 | 2022-02-10 | 华为技术有限公司 | Heat radiator, method for manufacturing heat radiator and radio remote unit |
| EP4185081A4 (en) * | 2020-08-07 | 2023-09-06 | Huawei Technologies Co., Ltd. | Heat radiator, method for manufacturing heat radiator and radio remote unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 Termination date: 20200813 |