CN110730393B - Network communication base station repeater - Google Patents
Network communication base station repeater Download PDFInfo
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- CN110730393B CN110730393B CN201911019493.2A CN201911019493A CN110730393B CN 110730393 B CN110730393 B CN 110730393B CN 201911019493 A CN201911019493 A CN 201911019493A CN 110730393 B CN110730393 B CN 110730393B
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- air bag
- repeater
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/08—Frames or mounting racks for relays; Accessories therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/11—Protection against environment
- H04Q1/114—Protection against environment flooding protection, e.g. using water proof provision
Abstract
The invention belongs to the technical field of repeaters, in particular to a network communication base station repeater; the U-shaped connector comprises a first shell, a second shell and a third shell with U-shaped cross sections, a first disc, an electronic chip, a cable and a holder; a wire inlet is formed in the second shell, and a wire outlet is formed in the third shell; the clamp comprises a clamping piece and an annular air bag; according to the invention, through the mutual matching of the clamping piece and the annular air bag, cables with different diameters can be clamped, and water can be reduced to enter the first shell through the wire inlet or the wire outlet, so that the electronic chip is damaged by the water, the service life of the repeater is prolonged, the maintenance times of the repeater by maintenance personnel are reduced, and the cost is saved; meanwhile, the repeater is used in the network communication base station, the installation position of the repeater is high, the maintenance difficulty of maintenance personnel can be increased, the maintenance risk of the maintenance personnel is increased, and therefore the practicability of the repeater is improved.
Description
Technical Field
The invention belongs to the technical field of repeaters, and particularly relates to a repeater of a network communication base station.
Background
A base station, i.e. a public mobile communication base station, is an interface device for a mobile device to access the internet, and is a form of a radio station, which is a radio transceiver station for information transmission with a mobile phone terminal through a mobile communication switching center in a certain radio coverage area. The construction of mobile communication base stations is an important part of the investment of mobile communication operators, and is generally carried out around the factors of coverage, call quality, investment benefit, difficult construction, convenient maintenance and the like.
A repeater (RP repeater) is a connecting device that operates on the physical layer. The method is suitable for interconnection of two types of networks which are completely the same, and the main function is to expand the distance of network transmission by retransmitting or forwarding data signals; a repeater (RP repeater) is a device that connects network lines and is often used for bidirectional forwarding of physical signals between two network nodes. The repeater mainly completes the function of a physical layer, is responsible for transmitting information on the physical layers of two nodes according to bits, and completes the functions of copying, adjusting and amplifying signals so as to prolong the length of the network. Due to the loss, the power of the signal transmitted on the line will gradually attenuate, and when the attenuation reaches a certain degree, the signal will be distorted, thereby causing a receiving error. Repeaters are designed to solve this problem.
Because the repeater is installed on network communication basic station, and the repeater exposes throughout the year, when the weather that the rainwater is flourishing, the rainwater can enter into in the repeater along the cable to influence the use of repeater, and then reduced the life of repeater, make this technical scheme receive the restriction.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problem that rainwater easily enters the interior of the repeater, so that the repeater is corroded and the use of the repeater is influenced, the invention provides a network communication base station repeater.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a network communication base station repeater, which comprises a first shell, a second shell and a third shell, a first disc, an electronic chip, a cable and a holder, wherein the cross sections of the second shell and the third shell are U-shaped; the electronic chip is arranged in the middle of the first shell; the number of the first discs is two, the two first discs are provided with line separating ports, sponge is arranged at the line separating ports, and the two first discs are respectively arranged at the end part of the first shell through rivets; the second shell is provided with a wire inlet, the third shell is provided with a wire outlet, the second shell and the third shell are both positioned on the outer ring of the first shell, the second shell and the third shell are clamped, and the two first disks of the second shell and the third shell form a first cavity and a second cavity respectively; the clamp holders are respectively arranged at the positions of the wire inlet and the wire outlet, the cable passes through the clamp holders, the separation of the cable and the optical cable in the cable is realized at the clamp holders, and the cable and the optical cable are respectively connected with the electronic chip through the wire outlet; the clamp comprises a clamping piece and an annular air bag; the cross section of the clamping piece is in a circular truncated cone shape, and the small end of the circular truncated cone-shaped clamping piece is positioned on one side far away from the second shell and the third shell; the annular air bag is arranged in the inner ring of the small end of the circular truncated cone-shaped clamping piece and is in contact with the cable; the clamping piece and the annular air bag are matched with each other, so that the electronic chip is prevented from being damaged by water; when the repeater is used, firstly, cables sequentially pass through the repeater, the cables are split at the position of the clamp holder in the repeater, cables and optical cables in the cables respectively pass through the splitting ports, and the cables and the optical cables are both installed on the electronic chip; the arrangement of the clamping piece and the annular air bag can reduce the phenomenon that water enters the first cavity and the second cavity along cables and finally damages an electronic chip, and the annular air bag can be used for cables with different diameters, has market practicability, does not need to design a wire inlet and a wire outlet with the same size for each cable, can save cost, reduces the installation difficulty of an installer, and does not need to have higher professional knowledge; after the repeaters are installed in the network communication base station, debugging the group of repeaters to ensure that the group of repeaters amplify the signals; in the rain season, rain water is attached to the cable, when wind blows, one part of water is scraped away from the cable, the other part of the water is in a rugged shape due to the action of the wind, the water flows along the rugged direction, so that the water enters the first chamber and the second chamber and then damages the electronic chip, the clamping piece is matched with the annular air bag to prevent water from entering, and when the cable swings to one side and extrudes one side of the annular air bag, the other side of the annular air bag is reset after losing the extrusion of the cable, the annular air bag is always kept in contact with the cable, even some water enters into cavity and No. two cavities, and the sponge that the separated time mouth department set up still can adsorb water, further prevents the harm of water to electronic chip to improve the life of this repeater, and then improved the practicality of this repeater.
Preferably, the first chamber and the second chamber are respectively provided with a seal head; the end socket is formed by pouring epoxy resin, a group of first passages are reserved in the pouring of the end socket, the number one passages are at least two, the first passages are used for separating cables from cables, and the ends of the end socket are respectively and seamlessly bonded to the inner walls of the second shell and the third shell; the end socket is formed by pouring the epoxy resin, the epoxy resin has strong adhesive force, low contractibility, stable chemical property and size and mould resistance, meanwhile, the epoxy resin is convenient to cure, has good mechanical property and electrical property, and the excellent electrical property can prevent electric leakage of a cable, so that the periphery of the repeater is electrified to influence the maintenance of maintenance personnel and the installation of installation personnel; the seal head can further block water entering from the wire inlet and the wire outlet, so that the sealing effect of the seal head on the repeater is improved, and the service life of the repeater is prolonged.
Preferably, an included angle between the first channel and the lower surface of the second shell is 30 degrees, the second shell and the third shell are provided with second channels, and the first channel at the lowest part of the end socket is communicated with the second channel; through setting up this contained angle, further avoid water to enter into a cavity and No. two cavities, and water can enter into No. two passageways along the passageway of a number one to discharge the repeater along with it, thereby improved the life of repeater.
Preferably, cotton cloth is arranged in the first channel, so that water is absorbed through the cotton cloth, and the influence of the water on the electronic chip is prevented; through setting up the cotton, on the one hand, the cotton can absorb the water in the one number passageway, and on the other hand, the cotton is softer, avoids the harm to cable and optical cable, influences the power supply of cable to electronic chip, and amplifies the signal after the electronic chip circular telegram to transmit to next cable, improved the repeater and carried out the purpose that the signal was amplified.
Preferably, the end part of the clamping piece is provided with an arc-shaped elastic clamping ring, and an arc-shaped groove is formed in the position of the end part of the elastic clamping ring; sealing the cable by using water accumulated in the arc-shaped groove; the elastic clamping ring with the arc-shaped groove is arranged, so that the elastic clamping ring can be in close contact with the cable, and rainwater is prevented from entering the first cavity and the second cavity; simultaneously, when the rainwater season, can store some rainwater in the arc recess, press the elasticity grip ring through the weight of storing the rainwater, further reduce the clearance between elasticity grip ring and cable outer lane, avoid water to the harm of electronic chip to the life of repeater has been improved.
Preferably, a first groove is formed in the clamping piece close to one end of the elastic clamping ring, the first groove is parallel to the upper surface of the third shell, and the clamping piece extrudes the annular air bag by utilizing water accumulated in the first groove; in a rainwater season, collecting rainwater by using the first groove, reducing the gap between the annular air bag and the cable by using the gravity of the rainwater, and blowing the gas exhausted by the annular air bag under extrusion to the elastic clamping ring to blow away the water at the position of the elastic clamping ring; when the water in the first groove is evaporated, the annular air bag is reset after losing the extrusion of the water, the annular air bag sucks air, the entering water is sucked into the annular air bag, the damage of the water to the electronic chip is reduced, and therefore the service life of the repeater is prolonged.
The invention has the following beneficial effects:
1. according to the network communication base station repeater, the clamping pieces and the annular air bags are matched with each other, so that cables with different diameters can be clamped, water can be prevented from entering the first shell through the wire inlet or the wire outlet, the damage of the water to an electronic chip is reduced, the service life of the repeater is prolonged, the maintenance frequency of a maintenance worker to the repeater is reduced, and the cost is saved; meanwhile, the repeater is used in the network communication base station, the installation position of the repeater is high, the maintenance difficulty of maintenance personnel can be increased, the maintenance risk of the maintenance personnel is increased, and therefore the practicability of the repeater is improved.
2. According to the repeater of the network communication base station, the end socket formed by pouring the epoxy resin is arranged, the epoxy resin has the advantages of strong adhesion, low shrinkage, stable chemical property and size and mould resistance, meanwhile, the epoxy resin is convenient to cure, has good mechanical property and electrical property, and can prevent electric leakage of a cable due to excellent electrical property, so that the periphery of the repeater is electrified to influence the maintenance of maintenance personnel and the installation of installation personnel.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is a perspective view of the holder;
in the figure: the first shell 1, the second shell 2, the first cavity 21, the second cavity 22, the end enclosure 23, the first channel 231, the second channel 232, cotton cloth 233, the third shell 3, the first disc 4, the branching port 41, the sponge 42, the electronic chip 5, the cable 6, the holder 7, the holder 71, the elastic holding ring 711, the arc-shaped groove 712, the first groove 713 and the annular air bag 72.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the network communication base station repeater of the present invention includes a first shell 1, a second shell 2 and a third shell 3, both of which have "u" shaped cross-sections, a first disc 4, an electronic chip 5, a cable 6 and a holder 7; the electronic chip 5 is arranged in the middle of the first shell 1; the number of the first disks 4 is two, the two first disks 4 are respectively provided with a wire separating port 41, a sponge 42 is arranged at the wire separating port 41, and the two first disks 4 are respectively arranged at the end part of the first shell 1 through rivets; a wire inlet is formed in the second shell 2, a wire outlet is formed in the third shell 3, the second shell 2 and the third shell 3 are both positioned on the outer ring of the first shell 1, the second shell 2 and the third shell 3 are clamped, and a first cavity 21 and a second cavity 22 are formed between the two first discs 4 and the second shell 2 and the third shell 3 respectively; the clamp 7 is respectively arranged at the positions of the wire inlet and the wire outlet, the cable 6 passes through the clamp 7, the separation of the cable and the optical cable in the cable 6 is realized at the clamp 7, and the cable and the optical cable are respectively connected with the electronic chip 5 through the wire outlet 41; the holder 7 comprises a holder 71 and an annular air bag 72; the cross section of the clamping piece 71 is in a circular truncated cone shape, and the small end of the circular truncated cone-shaped clamping piece 71 is positioned on one side far away from the second shell 2 and the third shell 3; the annular air bag 72 is arranged in the inner ring of the small end of the circular truncated cone-shaped clamping piece 71 and is in contact with the cable 6; the clamping piece 71 and the annular air bag 72 are matched with each other, so that the electronic chip 5 is prevented from being damaged by water; when in use, firstly, the cables 6 sequentially pass through the repeater, the cables 6 are split at the position of the clamp 7 in the repeater, and the cables and the optical cables in the cables 6 respectively pass through the splitting ports 41, and the cables and the optical cables are both installed on the electronic chip 5; the arrangement of the clamping piece 71 and the annular air bag 72 can reduce the water entering the first cavity 21 and the second cavity 22 along the cable 6, and finally damage the electronic chip 5, and the annular air bag 72 can be used for cables 6 with different diameters, so that the market practicability is realized, a wire inlet and a wire outlet with the same size do not need to be designed for each cable 6, the cost can be saved, the installation difficulty of an installer is reduced, and higher professional knowledge is not needed; after the repeaters are installed in the network communication base station, debugging the group of repeaters to ensure that the group of repeaters amplify the signals; in the rain season, rain water is attached to the cable 6, when wind blows, one part of water is scraped away from the cable 6, the other part of water is in a rugged shape due to the action of wind, the water flows along the rugged direction, so that the water enters the first chamber 21 and the second chamber 22 and then damages the electronic chip 5, the clamping piece 71 and the annular air bag 72 are matched to prevent the water from entering, in addition, when the cable 6 swings to one side, the cable 6 presses one side of the annular air bag 72, the other side of the annular air bag 72 loses the extrusion of the cable 6 to reset, the annular air bag 72 always keeps the contact with the cable 6, even if some water enters the first chamber 21 and the second chamber 22, the sponge 42 arranged at the branching port 41 can still adsorb the water, the damage of the water to the electronic chip 5 is further prevented, and the service life of the repeater is prolonged, thereby improving the practicability of the repeater.
As a specific embodiment of the present invention, the first chamber 21 and the second chamber 22 are respectively provided with a sealing head 23; the end socket 23 is formed by pouring epoxy resin, a group of first passages 231 is reserved in the pouring of the end socket 23, the number one passages 231 is at least two, the first passages 231 are used for separating cables from cables 6, and the ends of the end socket 23 are respectively bonded on the inner walls of the second shell 2 and the third shell 3 in a seamless mode; by arranging the end socket 23 formed by pouring the epoxy resin, the epoxy resin has strong adhesive force, low contractibility, stable chemical performance and size and mould resistance, and meanwhile, the epoxy resin is convenient to cure and has good mechanical property and electrical property, and the excellent electrical property can prevent electric leakage of a cable, so that the periphery of the repeater is electrified to influence the maintenance of maintenance personnel and the installation of installation personnel; and the head 23 can further block the water entering from the wire inlet and the wire outlet, so that the sealing effect of the head 23 on the repeater is improved, and the service life of the repeater is prolonged.
As a specific embodiment of the present invention, an included angle between the first channel 231 and the lower surface of the second shell 2 is 30 °, the second shell 2 and the third shell 3 are provided with a second channel 232, and the first channel 231 at the lowest part in the end socket 23 is communicated with the second channel 232; by setting the included angle, water is further prevented from entering the first chamber 21 and the second chamber 22, and the water can enter the second channel 232 along the first channel 231 and then is discharged out of the repeater, so that the service life of the repeater is prolonged.
As a specific embodiment of the present invention, the first channels 231 are all provided with cotton cloth 233 therein, and the cotton cloth 233 absorbs water to prevent the influence of water on the electronic chip 5; through setting up cotton 233, on the one hand, cotton 233 can absorb the water in the one number passageway 231, and on the other hand, cotton 233 is softer, avoids the harm to cable and optical cable, influences the power supply of cable to electronic chip 5, and electronic chip 5 enlargies the signal after the circular telegram to transmit to next cable 6, improved the repeater and carried out the purpose that the signal was enlargied.
As a specific embodiment of the present invention, an arc-shaped elastic clamping ring 711 is disposed at an end of the clamping member 71, and an arc-shaped groove 712 is disposed at an end of the elastic clamping ring 711; the cable 6 is sealed by water accumulated in the arc-shaped groove 712; by providing the elastic clamping ring 711 with the arc-shaped groove 712, the elastic clamping ring 711 can be in close contact with the cable 6, so that rainwater is reduced from entering the first chamber 21 and the second chamber 22; meanwhile, when in a rainwater season, some rainwater can be stored in the arc-shaped groove 712, the elastic clamping ring 711 is pressed by the weight of the stored rainwater, the gap between the elastic clamping ring 711 and the outer ring of the cable 6 is further reduced, the damage of water to the electronic chip 5 is avoided, and the service life of the repeater is prolonged.
As a specific embodiment of the present invention, a first groove 713 is formed in the clamping member 71 near one end of the elastic clamping ring 711, the first groove 713 is parallel to the upper surface of the third housing 3, and the clamping member 71 is pressed against the annular air bag 72 by water stored in the first groove 713; in the rain season, the first groove 713 is used for collecting rain water, the gap between the annular air bag 72 and the cable 6 is reduced by using the gravity of the rain water, and meanwhile, the annular air bag 72 is blown to the elastic clamping ring 711 by the squeezed gas, so that the water at the position of the elastic clamping ring 711 is blown away; when the water in the first groove 713 is evaporated, the annular air bag 72 is reset after being squeezed by the water, the annular air bag 72 sucks air, the entering water is sucked into the annular air bag 72, the damage of the water to the electronic chip 5 is reduced, and the service life of the repeater is prolonged.
When in use, firstly, the cables 6 sequentially pass through the repeater, the cables 6 are split at the position of the clamp 7 in the repeater, and the cables and the optical cables in the cables 6 respectively pass through the splitting ports 41, and the cables and the optical cables are both installed on the electronic chip 5; the clamping piece 71 and the annular air bag 72 are arranged, so that water can be reduced from entering the first chamber 21 and the second chamber 22 along the cable 6, and finally the electronic chip 5 is damaged; after the repeaters are installed in the network communication base station, debugging the group of repeaters to ensure that the group of repeaters amplify the signals; in the rain season, rain water is attached to the cable 6, when wind blows, one part of water is scraped away from the cable 6, the other part of water is in a rugged shape due to the action of wind, the water flows along the rugged direction, so that the water enters the first chamber 21 and the second chamber 22 and then damages the electronic chip 5, the clamping piece 71 and the annular air bag 72 are matched to prevent the water from entering, in addition, when the cable 6 swings to one side, the cable 6 presses one side of the annular air bag 72, the other side of the annular air bag 72 loses the extrusion of the cable 6 to reset, the annular air bag 72 always keeps the contact with the cable 6, even if some water enters the first chamber 21 and the second chamber 22, the sponge 42 arranged at the branching port 41 can still adsorb the water, the damage of the water to the electronic chip 5 is further prevented, and the service life of the repeater is prolonged, thereby improving the practicability of the repeater.
The front, the back, the left, the right, the upper and the lower are all based on the figure 2 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A network communications base station repeater, characterized by: comprises a first shell (1), a second shell (2) and a third shell (3) with U-shaped cross sections, a first disc (4), an electronic chip (5), a cable (6) and a holder (7); the electronic chip (5) is arranged in the middle of the first shell (1); the number of the first discs (4) is two, the two first discs (4) are provided with wire separating openings (41), sponge (42) are arranged at the wire separating openings (41), and the two first discs (4) are respectively arranged at the end part of the first shell (1) through rivets; a wire inlet is formed in the second shell (2), a wire outlet is formed in the third shell (3), the second shell (2) and the third shell (3) are both positioned on the outer ring of the first shell (1), the second shell (2) and the third shell (3) are clamped, and a first cavity (21) and a second cavity (22) are formed between the two first discs (4) and the second shell (2) and the third shell (3) respectively; the clamp holders (7) are respectively arranged at the positions of the wire inlet and the wire outlet, the cable (6) passes through the clamp holders (7), the separation of the cable and the optical cable in the cable (6) is realized at the position of the clamp holders (7), and the cable and the optical cable are respectively connected with the electronic chip (5) through the wire outlet (41); the gripper (7) comprises a gripper member (71) and an annular air bag (72); the cross section of the clamping piece (71) is in a circular truncated cone shape, and the small end of the circular truncated cone-shaped clamping piece (71) is positioned on one side far away from the second shell (2) and the third shell (3); the annular air bag (72) is arranged in the inner ring of the small end of the circular truncated cone-shaped clamping piece (71) and is in contact with the cable (6); the clamping piece (71) and the annular air bag (72) are matched with each other, so that the electronic chip (5) is prevented from being damaged by water;
an arc-shaped elastic clamping ring (711) is arranged at the end part of the clamping piece (71), and an arc-shaped groove (712) is arranged at the end part of the elastic clamping ring (711); the cable (6) is sealed by water accumulated in the arc-shaped groove (712);
a first groove (713) is formed in the clamping piece (71) close to one end of the elastic clamping ring (711), the first groove (713) is parallel to the upper surface of the third shell (3), and the clamping piece (71) extrudes the annular air bag (72) by utilizing water accumulated in the first groove (713);
in a rainwater season, rainwater is attached to the cable (6), when wind blows, part of water is scraped from the cable (6), the other part of the water is in a rugged shape due to the action of the wind, the water flows along the rugged direction, the water enters the first chamber (21) and the second chamber (22), then the electronic chip (5) is damaged, the clamping piece (71) is matched with the annular air bag (72) to prevent the water from entering, in the process that the cable (6) swings towards one side, when the cable (6) presses one side of the annular air bag (72), the other side of the annular air bag (72) loses the extrusion of the cable (6) and resets, the annular air bag (72) is always in contact with the cable (6), even if some water enters the first chamber (21) and the second chamber (22), and the sponge (42) arranged at the branching port (41) can still absorb the water, further preventing damage of the electronic chip (5) by water.
2. The network communication base station repeater according to claim 1, wherein: seal heads (23) are respectively arranged in the first cavity (21) and the second cavity (22); the sealing head (23) is formed by pouring epoxy resin, a group of first passages (231) are reserved in the pouring of the sealing head (23), the first passages (231) are at least two, the first passages (231) are used for separating cables from cables (6), and the ends of the sealing head (23) are respectively and seamlessly bonded to the inner walls of the second shell (2) and the third shell (3).
3. A network communications base station repeater according to claim 2, wherein: no. one passageway (231) and No. two shells (2) lower surface between contained angle be 30, and be equipped with No. two passageways (232) on No. two shells (2) and No. three shells (3), and No. one passageway (231) of the bottommost among its head (23) communicates with No. two passageways (232).
4. A network communications base station repeater according to claim 3, wherein: all be equipped with cotton (233) in the one number passageway (231), realize the absorption to water through cotton (233), prevent the influence of water to electronic chip (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911019493.2A CN110730393B (en) | 2019-10-24 | 2019-10-24 | Network communication base station repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911019493.2A CN110730393B (en) | 2019-10-24 | 2019-10-24 | Network communication base station repeater |
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| CN110730393A CN110730393A (en) | 2020-01-24 |
| CN110730393B true CN110730393B (en) | 2021-11-19 |
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| CN201911019493.2A Active CN110730393B (en) | 2019-10-24 | 2019-10-24 | Network communication base station repeater |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2441183A1 (en) * | 1974-08-28 | 1976-03-11 | Siemens Ag | Multi-pin cable connector for telecommunications controls - allow access to connector pins for checking or wiring changes |
| CN101635407A (en) * | 2008-07-23 | 2010-01-27 | Smk株式会社 | Water-tight connector and relay connector |
| JP6270658B2 (en) * | 2014-08-06 | 2018-01-31 | 三菱電機株式会社 | Air conditioner indoor unit |
| CN205752752U (en) * | 2016-05-16 | 2016-11-30 | 江苏亨鑫科技有限公司 | A kind of water repellent component at cable connector |
| CN206181039U (en) * | 2016-11-16 | 2017-05-17 | 上海精卫电子有限公司 | A relay |
| CN107800468A (en) * | 2017-11-21 | 2018-03-13 | 安徽商贸职业技术学院 | A kind of RFID frequencies penetrate signal repeater |
| CN207910779U (en) * | 2018-03-02 | 2018-09-25 | 韶关市铁源科技有限公司 | A kind of tunnel repeater |
| CN208015906U (en) * | 2018-04-03 | 2018-10-26 | 菅华 | A kind of connection repeater safeguarded for computer network security |
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