CN212211261U - Subframe structure suitable for 5G BBU rack - Google Patents
Subframe structure suitable for 5G BBU rack Download PDFInfo
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- CN212211261U CN212211261U CN202021373900.8U CN202021373900U CN212211261U CN 212211261 U CN212211261 U CN 212211261U CN 202021373900 U CN202021373900 U CN 202021373900U CN 212211261 U CN212211261 U CN 212211261U
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Abstract
The utility model discloses a subframe structure suitable for a 5G BBU cabinet, which comprises an air inlet frame body component, a subframe body component, an air outlet frame body component and a wind shielding blind plate; the sub-frame body assembly is vertically arranged, one side surface of the sub-frame body assembly is also vertically provided with a wind shielding blind plate in a parallel attaching mode, and the sub-frame body assembly is spliced to form a hollow cuboid structure with an upper opening and a lower opening; an air inlet frame body assembly is further arranged inside the lower end of the sub-frame body assembly in a sealing splicing mode, the air inlet frame body assembly is of a hollow cuboid structure with an open upper end, and an air inlet is further formed in one side face of the air inlet frame body assembly; the air outlet frame body assembly is arranged inside the upper end of the sub-frame body assembly in a sealed splicing mode, is of a hollow cuboid structure with an open lower end, and is further provided with an air outlet on one side face. The utility model discloses an keep apart the shrouding, realized the supplementary heat dissipation of "one-to-one" to BBU equipment, reduced the energy damage in the use for the radiating effect is better.
Description
Technical Field
The utility model relates to a BBU equipment fixing rack, concretely relates to sub-frame structure suitable for 5G BBU rack.
Background
With the arrival of the 5G communication era, compared with the traditional 4G BBU equipment, the 5G BBU equipment is more precise, the unit power is increased, and the pooling arrangement of the 5G equipment is more intensive, so that more equipment needs to be arranged in a unit space, and meanwhile, higher requirements are provided for the heat radiation performance of the cabinet; but the existing communication base station refrigerating system cannot meet the refrigerating requirement of 5G equipment. In addition, the air inlet and outlet modes of communication equipment such as 5G BBU are greatly different from those of traditional communication equipment, the scheme of air exhaust from left and right sides is generally adopted, and the original communication cabinet adopting the air outlet mode before and after going does not meet the requirement. Therefore, a cabinet is needed that accommodates the structural features of 5G BBU equipment, providing higher heat dissipation capability and higher refrigeration power.
The 5G BBU cabinet aims to solve the problem that 5G equipment is large in centralized heat dissipation capacity and provides effective support for equipment management. At present, utilize network or comprehensive rack transformation to hold 5G equipment mostly on the market, nevertheless do not set up reasonable wind channel, lead to the heat that equipment produced redundancy in the rack, unable discharge, the equipment fixing overall arrangement is disorderly moreover, and occupation space is big, leads to management and later maintenance cost to increase.
In order to adapt to the structure of 5G BBU communication equipment, the phenomenon that BBU communication equipment is horizontally placed in a cabinet and air is fed from left to right in part of base stations occurs. However, the width of the cabinet is generally about 600mm, the width (482 mm) of the horizontal placement of the BBU communication equipment is eliminated, the width of the air duct is limited, the heat dissipation and cooling effects of the cabinet are limited, the space utilization rate of the horizontal placement of the BBU communication equipment is low, the limitation on the width of the cabinet is large, and the centralized pooling distribution of the BBU equipment with more density, more power and larger volume is not facilitated. Therefore, the above problems need to be solved.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a subframe structure suitable for 5G BBU rack, adopt to keep apart the shrouding, realized "one-to-one" supplementary heat dissipation to BBU equipment, reduced the energy damage in the use for the radiating effect is better.
In order to solve the technical problem, the utility model discloses take following technical scheme: the utility model discloses a subframe structure suitable for 5G BBU rack, its innovation point lies in: the wind-proof blind plate comprises a wind inlet frame body component, a sub-frame body component, a wind outlet frame body component and a wind-proof blind plate; the sub-frame body assembly is vertically arranged, one side surface of the sub-frame body assembly is also vertically provided with a wind shielding blind plate in a parallel attaching mode, and the sub-frame body assembly is spliced to form a hollow cuboid structure with an upper opening and a lower opening; an air inlet frame body assembly is further arranged inside the lower end of the sub-frame body assembly in a sealing splicing mode, the air inlet frame body assembly is of a hollow cuboid structure with an open upper end, and an air inlet is further formed in one side face of the air inlet frame body assembly; the air outlet frame body assembly is arranged inside the upper end of the sub-frame body assembly in a sealed splicing mode, is of a hollow cuboid structure with an open lower end, and is further provided with an air outlet on one side face.
Preferably, the sub-frame body assembly comprises a sub-frame body, an isolation sealing plate and a BBU equipment mounting bracket; the sub-frame body is of a vertically arranged hollow cuboid structure, and one side surface and the upper and lower ends of the sub-frame body, which is attached to the wind shielding blind plate, are open; two BBU equipment mounting brackets are horizontally arranged between the opposite side surfaces of the sub-frame body at intervals from top to bottom, are of T-shaped structures and are symmetrically arranged from top to bottom, each BBU equipment mounting bracket is arranged at one side close to the open side surface of the sub-frame body, and the two ends of each BBU equipment mounting bracket are respectively welded and fixed with the inner edge of the open side surface of the sub-frame body; the peripheral edge of the wind shielding blind plate is respectively in sealing threaded connection with the open side face of the sub-frame body and the vertical edges of the two BBU equipment mounting supports, and a square area is formed by the periphery of the wind shielding blind plate; and a plurality of isolation sealing plates are sequentially arranged in the sub-frame body at horizontal intervals, each isolation sealing plate is vertically arranged in the square area, two side edges of each isolation sealing plate are respectively fixed with the inner surface of the wind shielding blind plate and the inner surface of the sub-frame body in a sealing and screwed mode, and a plurality of BBU equipment installation areas are formed.
Preferably, a horizontal edge of each of the two BBU device mounting brackets vertically extends out of the outer surface of the blind windshield, and a plurality of wiring slots are further sequentially arranged on the corresponding horizontal edge at intervals along the length direction of the horizontal edge, and each wiring slot vertically penetrates through the horizontal edge of the corresponding BBU device mounting bracket.
Preferably, the air inlet frame body assembly comprises an air inlet frame body, an air inlet guide plate and a guide rail; the air inlet frame body is of a horizontally arranged hollow cuboid structure, the upper end of the air inlet frame body is open, and the air inlet frame body is communicated with the BBU equipment installation area; the opposite edges of the inner bottom surface of the air inlet frame body are respectively and horizontally provided with guide rails, and the two guide rails are symmetrically arranged and are respectively fixed with the air inlet frame body in a threaded manner; and an air inlet guide plate is obliquely arranged between the two guide rails, and the lower end of the air inlet guide plate is horizontally and slidably connected with the corresponding guide rail.
Preferably, an air inlet is vertically formed in one side face of the air inlet frame body, the air inlet is formed in the same side of the wind shielding blind plate, and an air inlet filter screen is arranged in the air inlet in an embedded mode.
Preferably, the lower end of the air inlet guide plate is arranged at one side close to the air inlet filter screen, and the upper end of the air inlet guide plate is obliquely and upwards arranged towards the direction far away from the air inlet filter screen; the inclination angle of the air inlet guide plate is 30-60 degrees, and the upper end of the air inlet guide plate is not interfered with the lower end of the isolation sealing plate.
Preferably, the air inlet frame body is sleeved inside the lower end of the sub-frame body, and the peripheral side faces of the air inlet frame body are respectively fixed with the peripheral side faces of the sub-frame body in a sealing and threaded mode.
Preferably, the air outlet frame assembly comprises an air outlet frame and an air outlet guide plate; the air outlet frame body is of a horizontally arranged hollow cuboid structure, the lower end of the air outlet frame body is open, and the air outlet frame body is communicated with the BBU equipment installation area; an air outlet guide plate is obliquely arranged inside the air outlet frame body, the upper end of the air outlet guide plate is fixedly connected with the inner bottom surface of the air outlet frame body in a threaded manner, and the lower end of the air outlet guide plate is obliquely and downwards arranged towards the direction close to the wind shielding blind plate; the inclination angle of the air outlet guide plate is 30-60 degrees, and the lower end of the air outlet guide plate is not interfered with the upper end of the corresponding isolation sealing plate.
Preferably, an air outlet is vertically formed in one side face, close to the upper end of the air outlet guide plate, of the air outlet frame body, the air outlet is formed in the opposite side of the air inlet, and an air outlet filter screen is further embedded in the air outlet.
Preferably, the air outlet frame body is sleeved inside the upper end of the sub-frame body, and the peripheral side surfaces of the air outlet frame body are respectively fixed with the peripheral side surfaces of the sub-frame body in a sealing and screwed mode.
The utility model has the advantages that:
(1) the utility model can adjust the depth of the air supply outlet according to the depth of the BBU equipment, thereby avoiding cold flow short circuit;
(2) the utility model adopts the isolation sealing plate, which realizes the one-to-one auxiliary heat dissipation of BBU equipment, so that the heat dissipation effect is better;
(3) the utility model ensures the cold air to be accurately fed into the equipment and discharged from the equipment under the condition of dense layout of BBU equipment, thereby meeting the heat dissipation requirement of the equipment;
(4) the utility model adopts reasonable wiring design under the condition of dense layout of BBU equipment, and realizes the separation of strong current, weak current and optical signals by arranging wiring grooves on the installation support of the BBU equipment, thereby avoiding signal interference;
(5) the utility model has the advantages that the air inlet guide plate slides on the guide rail in a drawing way according to the depth of BBU equipment, thereby adjusting the air inlet volume and avoiding the waste of cold air flow;
(6) the utility model discloses well air conditioning is leading-in through the air inlet guide plate, and after BBU equipment was flowed through, hot-blast exporting through the air-out guide plate to separate cold and hot air current completely.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is the utility model discloses a sub-frame structure's of 5G BBU rack structure schematic diagram.
Fig. 2 is another view structure diagram of the sub-frame structure of the 5G BBU cabinet of the present invention.
Fig. 3 is an exploded schematic view of a sub-frame structure suitable for a 5G BBU cabinet of the present invention.
FIG. 4 is a schematic structural view of a BBU device mounting bracket portion of FIG. 1.
Wherein, 1-the air intake frame body component; 2-a subframe body assembly; 3-air outlet frame body component; 4-wind shielding blind plates; 11-an air inlet frame body; 12-air intake guide plate; 13-a guide rail; 14-air intake filter screen; 21-a subframe body; 22-an isolation closing plate; 23-BBU equipment mounting bracket; 24-a wiring trough; 31-an air outlet frame body; 32-an air outlet guide plate; 33-air outlet filter screen.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following detailed description.
The utility model discloses a subframe structure suitable for 5G BBU rack, including air inlet frame body subassembly 1, subframe body subassembly 2, air outlet frame body subassembly 3 and wind blind plate 4; the concrete structure is as shown in figures 1-4, a sub-frame body component 2 is vertically arranged, a wind shielding blind plate 4 is vertically attached to one side surface of the sub-frame body component in parallel, and the sub-frame body component and the wind shielding blind plate are spliced to form a hollow cuboid structure which is open up and down; the lower end of the sub-frame body component 2 is also internally provided with an air inlet frame component 1 in a sealing splicing manner, the air inlet frame component 1 is of a hollow cuboid structure with an open upper end, and one side surface of the air inlet frame component 1 is also provided with an air inlet; the air outlet frame body component 3 is arranged inside the upper end of the sub-frame body component 2 in a sealing splicing mode, the air outlet frame body component 3 is of a hollow cuboid structure with an open lower end, and an air outlet is formed in one side face of the air outlet frame body component.
The utility model discloses a middle subframe body assembly 2 comprises a subframe body 21, an isolation seal plate 22 and a BBU equipment mounting bracket 23; as shown in fig. 1 to 4, the sub-frame body 21 is a vertically arranged hollow cuboid structure, and one side surface and the upper and lower ends of the sub-frame body, which are attached to the blind wind shielding plate 4, are open; two BBU equipment mounting brackets 23 are horizontally arranged between the opposite side surfaces of the sub-frame body 21 at intervals from top to bottom, the two BBU equipment mounting brackets 23 are of T-shaped structures and are symmetrically arranged from top to bottom, each BBU equipment mounting bracket 23 is arranged at one side close to the open side surface of the sub-frame body 21, and two ends of each BBU equipment mounting bracket 23 are respectively welded and fixed with the inner edge of the open side surface of the sub-frame body 21;
as shown in fig. 1 to 4, the peripheral edge of the wind shielding blind plate 4 is respectively fixed with the open side surface of the sub-frame body 21 and the vertical edges of the two BBU device mounting brackets 23 in a sealing and screwed manner, and a square area is enclosed; still horizontal interval is equipped with several isolation shrouding 22 in proper order in the inside of sub-frame body 21, and each isolation shrouding 22 is all vertical to be located in the square region, and its both sides limit is fixed with the internal surface of blind plate 4 that keeps out the wind and the internal surface sealing spiro union of sub-frame body 21 respectively to form several BBU equipment installation region, each BBU equipment installation region is independent cold wind region of marcing, independent work, mutual noninterference. The utility model discloses 2 sound construction of well sub-frame body subassembly are reliable, satisfy the whole weight behind supporting whole BBU frame and the later stage installation BBU equipment.
As shown in fig. 1 to 4, a horizontal edge of each of the two BBU device mounting brackets 23 extends vertically to the outer surface of the blind windshield 4, and a plurality of wiring slots 24 are further sequentially arranged on the corresponding horizontal edge along the length direction thereof at intervals, and each wiring slot 24 vertically penetrates through the horizontal edge of the corresponding BBU device mounting bracket 23. The utility model discloses under the intensive overall arrangement condition of BBU equipment, adopt the reasonable design of walking the line, through be equipped with trough 24 on BBU equipment fixing support 23, realized forceful electric power, light current and optical signal's separation to signal interference has been avoided.
The utility model discloses a middle air inlet frame body component 1 comprises an air inlet frame body 11, an air inlet guide plate 12 and a guide rail 13; as shown in fig. 1 to 4, the air intake frame 11 is a horizontally arranged hollow cuboid structure, and the upper end thereof is open and communicated with the corresponding BBU device installation area; the opposite edges of the inner bottom surface of the air inlet frame body 11 are respectively and horizontally provided with guide rails 13, and the two guide rails 13 are symmetrically arranged and are respectively fixed with the air inlet frame body 11 in a threaded manner;
as shown in fig. 1 to 4, an air inlet is vertically formed in one side surface of the air inlet frame 11, the air inlet is formed in the same side of the blind plate 4, and an air inlet filter 14 is embedded in the air inlet.
As shown in fig. 1 to 4, an air intake guide plate 12 is further obliquely arranged between the two guide rails 13, and the lower end of the air intake guide plate 12 is horizontally slidably connected with the corresponding guide rail 13; the lower end of the air inlet guide plate 12 is arranged at one side close to the air inlet filter screen 14, and the upper end of the air inlet guide plate is obliquely and upwards arranged towards the direction far away from the air inlet filter screen 14; the inclination angle of the air inlet guide plate 12 is 30-60 degrees, and the upper end of the air inlet guide plate does not interfere with the lower end of the corresponding isolation sealing plate 22. The middle air inlet frame body 11 of the utility model is sleeved inside the lower end of the sub-frame body 21, and the peripheral side surfaces of the middle air inlet frame body 11 are respectively fixed with the peripheral side surfaces of the sub-frame body 21 in a sealing and screwed manner; through the front and back pull mode, according to the degree of depth of BBU equipment, air inlet guide plate 12 is the pull formula slip on guide rail 13 to adjust the intake size, avoided the waste of cold air stream.
The utility model discloses a middle air-out frame body component 3 comprises an air-out frame body 31 and an air-out guide plate 32; as shown in fig. 1 to 4, the air outlet frame 31 is a hollow rectangular structure arranged horizontally, and the lower end thereof is open and communicated with the corresponding BBU device installation area; an air outlet guide plate 32 is obliquely arranged inside the air outlet frame body 31, the upper end of the air outlet guide plate 32 is fixedly connected with the inner bottom surface of the air outlet frame body 31 in a threaded manner, and the lower end of the air outlet guide plate is obliquely and downwards arranged towards the direction close to the wind shielding blind plate 4; the inclination angle of the air outlet guide plate 32 is 30-60 degrees, and the lower end of the air outlet guide plate does not interfere with the upper end of the corresponding isolation sealing plate 22.
As shown in fig. 1 to 4, an air outlet is vertically formed in a side surface of the air outlet frame 31 near the upper end of the air outlet guide plate 32, the air outlet is formed in the opposite side of the air inlet, and an air outlet filter 33 is embedded in the air outlet. The air outlet frame body 31 of the utility model is sleeved inside the upper end of the sub-frame body 21, and the peripheral sides of the air outlet frame body are respectively fixed with the peripheral sides of the sub-frame body 21 in a sealing and screwed manner; through setting up air-out guide plate 32 for the air-out is more high-efficient swift.
The utility model discloses a theory of operation: according to the depth of BBU equipment, the air inlet guide plate 12 slides on the guide rail 13 in a drawing manner, so that the air inlet quantity is adjusted; then, cold air enters from the air inlet filter screen 14, is guided into each BBU equipment installation area through the air inlet guide plate 12, flows through BBU equipment, and then hot air is guided out through the air outlet guide plate 32 and finally is discharged through the air outlet filter screen 33.
The utility model has the advantages that:
(1) the utility model can adjust the depth of the air supply outlet according to the depth of the BBU equipment, thereby avoiding cold flow short circuit;
(2) the utility model adopts the isolation seal plate 22 to realize the one-to-one auxiliary heat dissipation of BBU equipment, so that the heat dissipation effect is better;
(3) the utility model ensures the cold air to be accurately fed into the equipment and discharged from the equipment under the condition of dense layout of BBU equipment, thereby meeting the heat dissipation requirement of the equipment;
(4) the utility model adopts reasonable wiring design under the condition of dense layout of BBU equipment, and realizes the separation of strong current, weak current and optical signals by arranging the wiring groove 24 on the installation bracket 23 of BBU equipment, thereby avoiding signal interference;
(5) according to the depth of BBU equipment, the air inlet guide plate 12 slides on the guide rail 13 in a drawing manner, so that the air inlet volume is adjusted, and the waste of cold air flow is avoided;
(6) the utility model discloses well air conditioning is leading-in through air inlet guide plate 12, and after the BBU equipment of flowing through, hot-blast air is derived through air-out guide plate 32 to separate cold and hot air current completely.
The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.
Claims (10)
1. The utility model provides a sub-frame structure suitable for 5G BBU rack which characterized in that: the wind-proof blind plate comprises a wind inlet frame body component, a sub-frame body component, a wind outlet frame body component and a wind-proof blind plate; the sub-frame body assembly is vertically arranged, one side surface of the sub-frame body assembly is also vertically provided with a wind shielding blind plate in a parallel attaching mode, and the sub-frame body assembly is spliced to form a hollow cuboid structure with an upper opening and a lower opening; an air inlet frame body assembly is further arranged inside the lower end of the sub-frame body assembly in a sealing splicing mode, the air inlet frame body assembly is of a hollow cuboid structure with an open upper end, and an air inlet is further formed in one side face of the air inlet frame body assembly; the air outlet frame body assembly is arranged inside the upper end of the sub-frame body assembly in a sealed splicing mode, is of a hollow cuboid structure with an open lower end, and is further provided with an air outlet on one side face.
2. A subframe structure suitable for a 5G BBU cabinet according to claim 1, wherein: the sub-frame body assembly comprises a sub-frame body, an isolation sealing plate and a BBU equipment mounting bracket; the sub-frame body is of a vertically arranged hollow cuboid structure, and one side surface and the upper and lower ends of the sub-frame body, which is attached to the wind shielding blind plate, are open; two BBU equipment mounting brackets are horizontally arranged between the opposite side surfaces of the sub-frame body at intervals from top to bottom, are of T-shaped structures and are symmetrically arranged from top to bottom, each BBU equipment mounting bracket is arranged at one side close to the open side surface of the sub-frame body, and the two ends of each BBU equipment mounting bracket are respectively welded and fixed with the inner edge of the open side surface of the sub-frame body; the peripheral edge of the wind shielding blind plate is respectively in sealing threaded connection with the open side face of the sub-frame body and the vertical edges of the two BBU equipment mounting supports, and a square area is formed by the periphery of the wind shielding blind plate; and a plurality of isolation sealing plates are sequentially arranged in the sub-frame body at horizontal intervals, each isolation sealing plate is vertically arranged in the square area, two side edges of each isolation sealing plate are respectively fixed with the inner surface of the wind shielding blind plate and the inner surface of the sub-frame body in a sealing and screwed mode, and a plurality of BBU equipment installation areas are formed.
3. A subframe structure suitable for a 5G BBU cabinet according to claim 2, wherein: and one horizontal edge of each of the two BBU equipment mounting supports vertically extends out of the outer surface of the wind shielding blind plate, a plurality of wiring grooves are sequentially arranged on the corresponding horizontal edge along the length direction of the horizontal edge at intervals, and each wiring groove vertically penetrates through the horizontal edge corresponding to the BBU equipment mounting support.
4. A subframe structure suitable for a 5G BBU cabinet according to claim 2, wherein: the air inlet frame body component comprises an air inlet frame body, an air inlet guide plate and a guide rail; the air inlet frame body is of a horizontally arranged hollow cuboid structure, the upper end of the air inlet frame body is open, and the air inlet frame body is communicated with the BBU equipment installation area; the opposite edges of the inner bottom surface of the air inlet frame body are respectively and horizontally provided with guide rails, and the two guide rails are symmetrically arranged and are respectively fixed with the air inlet frame body in a threaded manner; and an air inlet guide plate is obliquely arranged between the two guide rails, and the lower end of the air inlet guide plate is horizontally and slidably connected with the corresponding guide rail.
5. A subframe structure suitable for a 5G BBU cabinet according to claim 4, wherein: the air inlet is also vertically formed in one side face of the air inlet frame body, the air inlet is formed in the same side of the wind shielding blind plate, and an air inlet filter screen is arranged in the air inlet in an embedded mode.
6. A subframe structure suitable for a 5G BBU cabinet according to claim 5, wherein: the lower end of the air inlet guide plate is arranged at one side close to the air inlet filter screen, and the upper end of the air inlet guide plate is obliquely and upwards arranged towards the direction far away from the air inlet filter screen; the inclination angle of the air inlet guide plate is 30-60 degrees, and the upper end of the air inlet guide plate is not interfered with the lower end of the isolation sealing plate.
7. A subframe structure suitable for a 5G BBU cabinet according to claim 4, wherein: the air inlet frame body is sleeved inside the lower end of the sub-frame body, and the peripheral side faces of the air inlet frame body are fixedly connected with the peripheral side faces of the sub-frame body in a sealing and threaded mode.
8. A subframe structure suitable for a 5G BBU cabinet according to claim 5, wherein: the air outlet frame body component comprises an air outlet frame body and an air outlet guide plate; the air outlet frame body is of a horizontally arranged hollow cuboid structure, the lower end of the air outlet frame body is open, and the air outlet frame body is communicated with the BBU equipment installation area; an air outlet guide plate is obliquely arranged inside the air outlet frame body, the upper end of the air outlet guide plate is fixedly connected with the inner bottom surface of the air outlet frame body in a threaded manner, and the lower end of the air outlet guide plate is obliquely and downwards arranged towards the direction close to the wind shielding blind plate; the inclination angle of the air outlet guide plate is 30-60 degrees, and the lower end of the air outlet guide plate is not interfered with the upper end of the corresponding isolation sealing plate.
9. A subframe structure suitable for a 5G BBU cabinet according to claim 8, wherein: an air outlet is vertically formed in one side face, close to the upper end of the air outlet guide plate, of the air outlet frame body, the air outlet is formed in the opposite side of the air inlet, and an air outlet filter screen is arranged in the air outlet in an embedded mode.
10. A subframe structure suitable for a 5G BBU cabinet according to claim 8, wherein: the air outlet frame body is sleeved inside the upper end of the sub-frame body, and the peripheral side faces of the air outlet frame body are respectively fixed with the peripheral side faces of the sub-frame body in a sealing and screwed mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021373900.8U CN212211261U (en) | 2020-07-14 | 2020-07-14 | Subframe structure suitable for 5G BBU rack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021373900.8U CN212211261U (en) | 2020-07-14 | 2020-07-14 | Subframe structure suitable for 5G BBU rack |
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| CN212211261U true CN212211261U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021373900.8U Active CN212211261U (en) | 2020-07-14 | 2020-07-14 | Subframe structure suitable for 5G BBU rack |
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| Country | Link |
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| CN (1) | CN212211261U (en) |
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2020
- 2020-07-14 CN CN202021373900.8U patent/CN212211261U/en active Active
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