CN112018516A - Self-protection large-array 5G antenna - Google Patents
Self-protection large-array 5G antenna Download PDFInfo
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- CN112018516A CN112018516A CN202010818984.XA CN202010818984A CN112018516A CN 112018516 A CN112018516 A CN 112018516A CN 202010818984 A CN202010818984 A CN 202010818984A CN 112018516 A CN112018516 A CN 112018516A
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- 238000007789 sealing Methods 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 230000005484 gravity Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Classifications
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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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- B08B1/143—
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- B08B1/30—
-
- 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
Abstract
The invention discloses a self-protected large-array 5G antenna, which structurally comprises a base station, a control cabinet, a support frame and a base, wherein the bottom of the base station is welded at the top of the support frame, the control cabinet is embedded at the front side of the base station, and the support frame is arranged on the upper surface of the base, and the self-protected large-array 5G antenna has the beneficial effects that: rainwater drips and flows to the receiving on the commentaries on classics piece along glossy protection casing and fight the siphunculus inside, the piece rotates to both sides and pushes down the movable plate under the gravity of rainwater, make the movable plate remove downwards and clean the signal board, and pour the rainwater from the siphunculus end, under the effect of the pulling force of extension spring and reset spring, be convenient for the movable plate reciprocates continuous and cleans the signal board and avoids the signal board surface to remain there being the drop of water, the signal board surface is hugged closely to the rubber strip under the support of fixed block and dead lever, be convenient for clean the signal board surface, the sponge strip adsorbs the drop of water on signal board surface simultaneously, so that the drop of water remains and leads to the signal board to generate heat the damage by shining of sunshine on the.
Description
Technical Field
The invention relates to the field of 5G antennas, in particular to a self-protection large-array 5G antenna.
Background
With the continuous improvement of the level of the development network technology of the society, the arrival of 5G gradually replaces the era of 4G, in order to expand the coverage of 5G, an antenna special for 5G needs to be built in each place, and the mobile equipment of people nearby can receive good 5G signals through the 5G antenna, so that people can conveniently use and contact the 5G signals, and the communication efficiency of people is greatly improved.
At present, in order to make the 5G signal range of a 5G antenna wider, a conventional self-protection large-array 5G antenna is generally constructed and installed in an open outdoor environment, and due to the extreme change of weather, the 5G antenna exposed outside for a long time is easily damaged by the influence of weather change, especially in alternate weather, rain water covers and remains on the surface of the 5G antenna in rainy days, and sunshine insolates and remains on water drops on the surface of the 5G antenna in sunny days, so that the 5G antenna is damaged by heating due to strong ultraviolet radiation, and the 5G signal emitted by the 5G antenna is influenced.
Disclosure of Invention
Aiming at the defects that the existing self-protection large-array 5G antenna is constructed and installed in an outdoor open-air environment in order to enable the 5G signal range of the 5G antenna to be wider, the 5G antenna exposed outside for a long time is easily damaged by the influence of weather change due to the fact that the weather changes frequently, particularly in alternate weather, rainwater covers and remains on the surface of the 5G antenna in rainy days, and sunlight insolates and remains on water drops on the surface of the 5G antenna in sunny days to enable the 5G antenna to be heated and damaged by strong ultraviolet radiation, so that the 5G signal emitted by the 5G antenna is influenced, the invention provides the self-protection large-array 5G antenna to solve the technical problems.
The invention is realized by the following technical scheme: the utility model provides a big array 5G antenna of oneself's protection, its structure includes basic station, switch board, support frame, base, the welding of basic station bottom is at the support frame top, the switch board inlays in the basic station front side, the support frame is installed at the base upper surface, the basic station includes position sleeve, signal plate, protection casing, the position sleeve nestification is in the basic station surface, the signal plate passes through welded connection in the position sleeve outside, the bottom welding is on the basic station top in the protection casing, the signal plate has two and symmetry installation to the protection casing is "U" type, and the protection casing surface is smooth simultaneously.
Further say, the protection casing includes commentaries on classics piece, extension spring, movable plate, trepanning, the piece that changes passes through clearance connection in protection casing inner wall, inner wall under the extension spring top passes through welded connection in the protection casing, the movable plate both sides weld with the extension spring other end, the trepanning inlays and locates movable plate top inboard, the piece that changes has two, and changes the arc that the piece upper surface is radian and protection casing radian equal to the pulling force of extension spring is greater than the gravity of movable plate.
Furthermore, the rotating block comprises a positioning shaft, a receiving hopper, a through pipe and a reset spring, the positioning shaft is connected between the two rotating blocks through movable clamping, the receiving hopper is embedded on the upper surface of the rotating block, the through pipe is embedded inside the rotating block, the upper surface of the through pipe is communicated with the bottom of the receiving hopper, the reset spring is connected between the two rotating blocks through welding, the reset spring has tension force which is tensioned towards the middle, the through pipe is in circular arc distribution, and the tail end of the through pipe penetrates out of the surface of the rotating block.
Furthermore, receive and fight including through-hole, mount, movable block, locating piece, pendulum piece, the through-hole inlays to be located and receives inside fighting, the mount outer end inlays to be consolidated in the through-hole inner wall, the movable block is installed at the mount lower surface, the locating piece passes through welded connection in the movable block top and inlays to be consolidated in the mount upper surface, the pendulum piece passes through movable block and connects in the movable block bottom, the mount is the cross, and there are four soft rubber blocks pendulum piece bottom.
Further say, the movable plate includes limiting plate, rubber strip, spacing ball, seal block, limiting plate and movable plate structure as an organic whole, the rubber strip passes through welded connection in the movable plate inboard, spacing ball is embedded in the limiting plate bottom, the seal block is installed at movable plate top inboard and is located the trepanning inner wall, the rubber strip bilateral symmetry distributes, and the slight kickup of rubber strip.
Further speaking, the rubber strip includes fixed block, dead lever, sponge strip, the fixed block is inlayed inside the rubber strip, and through welded connection between two adjacent fixed blocks, sponge strip upper surface is inlayed admittedly in the rubber strip lower surface, the fixed block has three, and the dead lever has two, and the sponge strip is semicircle form.
Furthermore, the sealing block comprises a fixing shaft, an isolating ring and a buffer block, the fixing shaft and the sealing block are located on the same axis, the isolating ring is embedded on the outer surface of the fixing shaft, one end of the buffer block is embedded outside the isolating ring, the other end of the buffer block is connected to the inner wall of the sealing block through welding, and the buffer block is made of rubber and has elasticity.
Advantageous effects
Compared with the prior art, the self-protection large-array 5G antenna has the following advantages:
1. the invention has the beneficial effects that: rainwater drips and flows to the receiving on the commentaries on classics piece along glossy protection casing and fight a siphunculus inside, changes the piece and rotates the push down movable plate to both sides under the gravity of rainwater, makes the movable plate downstream clean the signal board to pour the rainwater from the siphunculus end, under the effect of the pull force of extension spring and reset spring, the movable plate of being convenient for reciprocates continuous and cleans the signal board and avoids the signal board surface to remain there is the drop of water.
2. The invention has the beneficial effects that: the signal board surface is hugged closely to the rubber strip under the support of fixed block and dead lever, is convenient for clean the signal board surface, and the sponge strip adsorbs the drop of water on signal board surface simultaneously to it causes the signal board to generate heat and damages to remain receiving shining of sunshine on the signal board to avoid the drop of water.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a self-protected large array 5G antenna according to the present invention.
Fig. 2 is a schematic front view of an enlarged structure of a base station according to the present invention.
Fig. 3 is a front enlarged structural schematic view of the protective cover of the present invention.
Fig. 4 is an enlarged internal view of the rotary block of the present invention.
Fig. 5 is a front enlarged structural schematic diagram of the receiving hopper of the present invention.
Fig. 6 is an enlarged front view of the moving plate according to the present invention.
Fig. 7 is a front enlarged structural schematic diagram of the rubber strip of the present invention.
Fig. 8 is a front enlarged structural view of the seal block of the present invention.
In the figure: the base station comprises a base station 1, a control cabinet 2, a support frame 3, a base 4, a positioning sleeve 11, a signal plate 12, a protective cover 13, a rotating block 131, a tension spring 132, a moving plate 133, a sleeve hole 134, a positioning shaft a1, a receiving bucket a2, a through pipe a3, a reset spring a4, a through hole a21, a fixed frame a22, a movable block a23, a positioning block a24, a swinging block a25, a limiting plate b1, a rubber strip b2, a limiting ball b3, a sealing block b4, a fixed block b21, a fixed rod b22, a sponge strip b23, a fixed shaft b41, an isolating ring b42 and a buffer block b 43.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Please refer to fig. 1-8:
example 1:
the invention provides a self-protection large-array 5G antenna which structurally comprises a base station 1, a control cabinet 2, a support frame 3 and a base 4, wherein the bottom of the base station 1 is welded at the top of the support frame 3, the control cabinet 2 is embedded at the front side of the base station 1, the support frame 3 is installed on the upper surface of the base 4, the base station 1 comprises a positioning sleeve 11, signal plates 12 and a protective cover 13, the positioning sleeve 11 is embedded on the outer surface of the base station 1, the signal plates 12 are connected to the outer side of the positioning sleeve 11 in a welding mode, the inner bottom of the protective cover 13 is welded at the top end of the base station 1, the signal plates 12 are symmetrically installed, the protective cover 13 is in an inverted U shape, meanwhile, the surface of the protective cover 13 is smooth, the position of the signal plate 12 can be fixed through the positioning sleeve.
In the figure, protection casing 13 includes commentaries on classics piece 131, extension spring 132, movable plate 133, trepanning 134, commentaries on classics piece 131 passes through clearance connection in protection casing 13 inner wall, inner wall under extension spring 132 top is through welded connection in protection casing 13, movable plate 133 both sides and extension spring 132 other end weld, trepanning 134 inlays and locates movable plate 133 top inboard, commentaries on classics piece 131 has two, and changes piece 131 upper surface for the arc that radian and protection casing 13 radian are equal to the pulling force of extension spring 132 is greater than the gravity of movable plate 133, does benefit to the rainwater that falls on protection casing 13 surface along protection casing 13 surface downward flow and drive commentaries on classics piece 131 and rotate.
In the figure, the rotating block 131 comprises a positioning shaft a1, a receiving bucket a2, a through pipe a3 and a return spring a4, the positioning shaft a1 is connected between the two rotating blocks 131 through movable clamping, the receiving bucket a2 is embedded in the upper surface of the rotating block 131, the through pipe a3 is embedded in the rotating block 131, the upper surface of the through pipe a3 is communicated with the bottom of the receiving bucket a2, the return spring a4 is connected between the two rotating blocks 131 through welding, the return spring a4 has a tensile force tensed towards the middle, the through pipe a3 is distributed in an arc shape, the tail end of the through pipe a3 penetrates out of the surface of the rotating block 131, rainwater can flow into the through pipe a3 through the receiving bucket a2, and the rotating block 131 is driven to rotate around the positioning shaft a1 under the gravity of the rainwater, so that the rainwater can be poured out through the tail end of the through.
In the figure, the receiving bucket a2 comprises a through hole a21, a fixed frame a22, a movable block a23, a positioning block a24 and a swinging block a25, the through hole a21 is embedded inside the receiving bucket a2, the outer end of the fixed frame a22 is embedded in the inner wall of the through hole a21, the movable block a23 is installed on the lower surface of the fixed frame a22, the positioning block a24 is connected to the top of the movable block a23 through welding and embedded on the upper surface of the fixed frame a22, the swinging block a25 is connected to the bottom of the movable block a23 through movable clamping, the fixed frame a22 is cross-shaped, and four soft rubber blocks are arranged at the bottom of the swinging block a25, so that rainwater can enter the receiving bucket a2 and then impact the swinging block a25 to rotate the swinging block a25, so that the rainwater is stirred, and dust adhered by the rainwater is prevented from being blocked in the.
The specific principle of the embodiment is as follows: the positions of the two signal plates 12 are fixed by the positioning sleeve 11, so that the signal plates 12 can stably emit 5G signals, when raining, rainwater drops on the surface of the protective cover 13 at the top of the base station 1 and flows downwards along the smooth protective cover 13, the rainwater is prevented from directly dripping on the base station 1 and the signal plates 12, so as to avoid interfering with the signals emitted by the signal plates 12, meanwhile, the rainwater flows into the through hole a21 along the receiving bucket a2 on the upper surface of the rotating block 131, the rotating block a25 is impacted in the through hole a21 to rotate the rotating block a25 to stir the rainwater, dust impurities adhered to the rainwater are prevented from remaining in the through hole a21 to cause blockage, then the rainwater flows into the inside of the through hole a21, the rotating block 131 rotates around the positioning shaft a1 to two sides under the gravity of the rainwater, the outer end of the rotating block 131 is pressed downwards, at the moment, the rotating block 131 presses the moving plate 133 to move downwards to wipe the signal plates 12, and the rainwater in the rotating block 3 is poured out of the rainwater through pipe 829a 4, then under the effect of the pulling force of the tension spring 132, the moving plate 133 moves upwards, and meanwhile, the rotating block 131 returns to the initial state under the effect of the return spring a4, so that the moving plate 133 moves up and down due to the amount of rainwater in the through pipe a3, the signal plate 12 is wiped continuously, water drops are prevented from remaining on the surface of the signal plate 12, and the signal plate 12 is prevented from being damaged due to the irradiation of sunlight.
Example 2:
the invention provides a self-protection large-array 5G antenna which structurally comprises a base station 1, a control cabinet 2, a support frame 3 and a base 4, wherein the bottom of the base station 1 is welded at the top of the support frame 3, the control cabinet 2 is embedded at the front side of the base station 1, the support frame 3 is installed on the upper surface of the base 4, the base station 1 comprises a positioning sleeve 11, signal plates 12 and a protective cover 13, the positioning sleeve 11 is embedded on the outer surface of the base station 1, the signal plates 12 are connected to the outer side of the positioning sleeve 11 in a welding mode, the bottom of the protective cover 13 is welded at the top end of the base station 1, the signal plates 12 are symmetrically installed, the protective cover 13 is in an inverted U shape, meanwhile, the surface of the protective cover 13 is smooth, the position of the signal plate 12 can be fixed through the positioning sleeve.
In the figure, protection casing 13 includes commentaries on classics piece 131, extension spring 132, movable plate 133, trepanning 134, commentaries on classics piece 131 passes through clearance connection in protection casing 13 inner wall, inner wall under extension spring 132 top is through welded connection in protection casing 13, movable plate 133 both sides and extension spring 132 other end weld, trepanning 134 inlays and locates movable plate 133 top inboard, commentaries on classics piece 131 has two, and changes piece 131 upper surface for the arc that radian and protection casing 13 radian are equal to the pulling force of extension spring 132 is greater than the gravity of movable plate 133, does benefit to the rainwater that falls on protection casing 13 surface along protection casing 13 surface downward flow and drive commentaries on classics piece 131 and rotate.
In the drawing, the movable plate 133 includes limiting plate b1, rubber strip b2, spacing ball b3, sealing block b4, limiting plate b1 and movable plate 133 are the integral structure, rubber strip b2 is through welded connection in movable plate 133 inboard, spacing ball b3 inlays and fixes in limiting plate b1 bottom, sealing block b4 installs at movable plate 133 top inboard and be located trepanning 134 inner wall, rubber strip b2 bilateral symmetry distributes, and rubber strip b2 slightly kickup, does benefit to and wipes signal plate 12 surface through rubber strip b2 to avoid the water droplet to remain on signal plate 12 surface.
In the figure, rubber strip b2 includes fixed block b21, dead lever b22, sponge strip b23, fixed block b21 inlays inside rubber strip b2, and through welded connection between two adjacent fixed blocks b21, sponge strip b23 upper surface inlays admittedly in rubber strip b2 lower surface, fixed block b21 has three, and dead lever b22 has two, and sponge strip b23 is half-round, does benefit to the position through fixed block b21 of dead lever b22, has the elasticity of recovering after making rubber strip b2 receive pressure to rubber strip b2 breaks.
In the figure, the sealing block b4 includes a fixed shaft b41, an isolating ring b42 and a buffering block b43, the fixed shaft b41 and the sealing block b4 are located on the same axis, the isolating ring b42 is embedded in the outer surface of the fixed shaft b41, one end of the buffering block b43 is embedded in the outer side of the isolating ring b42, the other end of the buffering block b43 is connected to the inner wall of the sealing block b4 through welding, the buffering block b43 is made of rubber materials and has elasticity, so that when the sealing block b4 is pressed inwards, an outward thrust can be generated under the elastic force of the buffering block b 43.
The specific principle of the embodiment is as follows: when the moving plate 133 moves downwards, the rubber strip b2 on the inner side of the moving plate 133 moves along with the moving plate 133, so that the rubber strip b2 is in contact with the surface of the signal plate 12 in a bending manner, the rubber strip b2 has outward thrust under the support of the fixed block b21 and the fixed rod b22, so that the rubber strip b2 can be tightly attached to the surface of the signal plate 12 when being in contact with the signal plate 12, the surface of the signal plate 12 is conveniently wiped clean, meanwhile, the sponge strip b23 at the bottom of the rubber strip b2 adsorbs water beads on the surface of the signal plate 12, so that the water beads are prevented from being remained on the signal plate 12 and being heated and damaged by the irradiation of sunlight, and meanwhile, the sealing block b4 enables the trepanning 134 on the inner side of the top of the moving plate 133 to stably sleeve the moving plate 133 on the base station.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Claims (7)
1. The utility model provides a big array 5G antenna of oneself's protection, its structure includes basic station (1), switch board (2), support frame (3), base (4), welding is at support frame (3) top base station (1) bottom, switch board (2) are embedded in basic station (1) front side, install at base (4) upper surface support frame (3), its characterized in that:
the base station (1) comprises a positioning sleeve (11), a signal plate (12) and a protective cover (13), wherein the positioning sleeve (11) is nested on the outer surface of the base station (1), the signal plate (12) is connected to the outer side of the positioning sleeve (11) in a welding mode, and the bottom of the protective cover (13) is welded to the top end of the base station (1).
2. The self-protected large array 5G antenna according to claim 1, wherein: protection casing (13) are including changeing piece (131), extension spring (132), movable plate (133), trepanning (134), change piece (131) through clearance connection in protection casing (13) inner wall, extension spring (132) top is through welded connection inner wall under protection casing (13), movable plate (133) both sides and extension spring (132) other end welding, trepanning (134) are inlayed and are located movable plate (133) top inboard.
3. A self-protected large array 5G antenna according to claim 2, wherein: the rotating block (131) comprises a positioning shaft (a1), a receiving hopper (a2), a through pipe (a3) and a reset spring (a4), the positioning shaft (a1) is connected between the two rotating blocks (131) through movable clamping, the receiving hopper (a2) is embedded on the upper surface of the rotating block (131), the through pipe (a3) is embedded inside the rotating block (131), the upper surface of the through pipe is communicated with the bottom of the receiving hopper (a2), and the reset spring (a4) is connected between the two rotating blocks (131) through welding.
4. A self-protected large array 5G antenna according to claim 3, wherein: the receiving hopper (a2) comprises a through hole (a21), a fixed frame (a22), a movable block (a23), a positioning block (a24) and a swinging block (a25), the through hole (a21) is embedded in the receiving hopper (a2), the outer end of the fixed frame (a22) is embedded in the inner wall of the through hole (a21), the movable block (a23) is installed on the lower surface of the fixed frame (a22), the positioning block (a24) is connected to the top of the movable block (a23) in a welded mode and is embedded in the upper surface of the fixed frame (a22), and the swinging block (a25) is connected to the bottom of the movable block (a23) in a movable clamping mode.
5. A self-protected large array 5G antenna according to claim 2, wherein: the movable plate (133) includes limiting plate (b1), rubber strip (b2), spacing ball (b3), sealing block (b4), limiting plate (b1) and movable plate (133) are the integral structure, rubber strip (b2) are inboard in movable plate (133) through welded connection, spacing ball (b3) are embedded in limiting plate (b1) bottom, sealing block (b4) are installed and are being located trepanning (134) inner wall at movable plate (133) top inboard.
6. The self-protected large array 5G antenna as claimed in claim 5, wherein: rubber strip (b2) includes fixed block (b21), dead lever (b22), sponge strip (b23), fixed block (b21) are embedded inside rubber strip (b2), and connect between two adjacent fixed blocks (b21) through the welding, sponge strip (b23) upper surface is embedded and is fixed in rubber strip (b2) lower surface.
7. The self-protected large array 5G antenna as claimed in claim 5, wherein: sealing block (b4) includes fixed axle (b41), isolating ring (b42), buffer block (b43), fixed axle (b41) and sealing block (b4) are located same axis, isolating ring (b42) inlays admittedly in fixed axle (b41) surface, buffer block (b43) one end inlays admittedly in isolating ring (b42) outside, and buffer block (b43) other end passes through welded connection in sealing block (b4) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010818984.XA CN112018516A (en) | 2020-08-14 | 2020-08-14 | Self-protection large-array 5G antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010818984.XA CN112018516A (en) | 2020-08-14 | 2020-08-14 | Self-protection large-array 5G antenna |
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| CN112018516A true CN112018516A (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010818984.XA Withdrawn CN112018516A (en) | 2020-08-14 | 2020-08-14 | Self-protection large-array 5G antenna |
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| CN108999263A (en) * | 2018-06-12 | 2018-12-14 | 黔南民族师范学院 | A kind of wisdom water utilities drainage pipeline |
| CN208370040U (en) * | 2018-07-23 | 2019-01-11 | 连云港师范高等专科学校 | A kind of cable communication cabinet suitable for open air |
| CN208708042U (en) * | 2018-07-26 | 2019-04-05 | 高军 | A kind of outdoor communication equipment waterproof cover |
| CN109238497A (en) * | 2018-09-07 | 2019-01-18 | 刘湘静 | A kind of electronic thermometer with automatic disinfecting function |
| DE102018009270A1 (en) * | 2018-11-26 | 2020-05-28 | Daimler Ag | Radome element for a distance warning radar of a vehicle and method for producing the radome element |
| CN208890827U (en) * | 2018-11-30 | 2019-05-21 | 张乐泉 | A kind of communication engineering wireless bridge |
| CN210840368U (en) * | 2019-11-18 | 2020-06-23 | 林晓铃 | Power supply device for communication base station |
| CN210956946U (en) * | 2019-12-23 | 2020-07-07 | 南京杰泽电子科技有限公司 | Universal 5G antenna mounting support structure |
| CN211126018U (en) * | 2019-12-25 | 2020-07-28 | 窦翔宇 | Broadcast television transmitting antenna connecting device |
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