Outdoor type two-way repeater

Abstract

The application belongs to the technical field of communication equipment, and discloses an outdoor two-way relay station, which comprises a shell, a cover is fixedly installed at the top of the shell through screws, an inner protective shield cover is integrally formed on the inner wall of the shell, an integrated junction box is fixedly installed between the shell and the inner protective shield cover, an HBPO board card is fixedly installed in the shell, a front-end filter is installed at the position of one side of the HBPO board card in the shell, an inner filter is fixedly installed at the position of one side of the front-end filter in the shell, an adaptive filter is fixedly installed at the position of one side of the inner filter in the shell, and an integrated propagation structure is installed at the position of one side of the adaptive filter in the shell. The device tightly integrates 5G RRU and wireless communication equipment such as an antenna in a sealed metal cavity, can effectively reduce the space occupation, simplify the installation steps and reduce the maintenance difficulty.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of communication equipment, and particularly relates to an outdoor bidirectional relay station. BACKGROUND

[0002] The Yangtze River power basin giant hydropower station and its related production core part region is relatively closed, and is limited by the indoor and outdoor complex environment of power production, the ability to cope with the sudden temporary signal coverage demand is weak, and the underground environment is complex, the dust and humidity in the air are large, and the traditional fixed 5G communication equipment has a high failure rate when running in the environment for a long time. SUMMARY

[0003] The application aims at the problem of high failure rate of the fixed 5G communication equipment in the prior art when running in dust and humidity for a long time, and provides the following technical scheme:

[0004] An outdoor bidirectional relay station, comprising a shell, a cover is fixedly installed at the top end of the shell through screws, an inner protective shield is integrally formed on the inner wall of the shell, an integrated junction box is fixedly installed and penetrates between the shell and the inner protective shield, an HBPO board card is fixedly installed in the shell, a front-end filter is installed at the side of the HBPO board card in the shell, an internal filter is fixedly installed at the side of the front-end filter in the shell, an adaptive filter is fixedly installed at the side of the internal filter in the shell, an integrated propagation structure is installed at the side of the adaptive filter in the shell, a power supply is fixedly installed at the top end of the integrated propagation structure in the shell, and a heat dissipation fan is installed at the bottom end of the HBPO board card in the shell.

[0005] As a preferred form of the above technical scheme, the HBPO board card, the front-end filter, the internal filter, the adaptive filter and the bottom end of the integrated propagation structure are all installed with mounting plates, the number of the mounting plates is three in total, the front-end filter, the internal filter and the adaptive filter are installed on the same mounting plate, heat conduction strips are fixedly installed at the bottom end of the three mounting plates, and the heat conduction strips are fixedly installed on the inner wall of the shell.

[0006] As a preferred form of the above technical scheme, the integrated propagation structure comprises an aluminum alloy box body fixedly installed on the mounting plate, an access unit is embedded and installed at the top end in the aluminum alloy box body, a radio frequency unit is installed at the bottom end in the access unit, an intermediate layer is formed in the middle of the aluminum alloy box body, shockproof sponges are bonded at the positions outside the access unit and the radio frequency unit in the aluminum alloy box body, and a panel interface side hole is arranged at the position of the access unit on one side in the aluminum alloy box body.

[0007] As the preferred of the above technical scheme, the shielding fairing is installed by screws at the position outside the HBPO board card, the front-end filter, the internal filter, the adaptive filter and the integrated propagation structure inside the shell, the bottom end of the shielding fairing is fixedly installed with a heat dissipation fan, and the inside of the shielding fairing is provided with a drying agent.

[0008] As the preferred of the above technical scheme, the fixed shell is symmetrically installed outside the shielding fairing, the fixed shell is fixedly installed inside the shell and the internal protective shielding cover, the inside of the fixed shell is fixedly installed with a cylindrical heat conduction pipe, and the inside of the fixed shell is slidably connected with a heat dissipation pipe at the position corresponding to one end of the cylindrical heat conduction pipe.

[0009] As the preferred of the above technical scheme, the heat conduction plates are fixedly installed between the cylindrical heat conduction pipes, the meandering heat conduction pipes are fixedly installed at one end of the heat conduction plates, the inside of the meandering heat conduction pipes is slidably connected with the rectangular heat conduction pipes, the heat dissipation plates are installed between one end of the rectangular heat conduction pipes, and the heat dissipation pipe and the heat dissipation plate are fixedly connected between the adjacent surfaces.

[0010] As the preferred of the above technical scheme, the meandering heat conduction pipes are provided with a polyarylamide polymer inside, and the polyarylamide polymer is fixedly connected between one end of the meandering heat conduction pipes and one end of the rectangular heat conduction pipes.

[0011] As the preferred of the above technical scheme, the heat dissipation strips are symmetrically installed at the top end edge of the mounting plate at the bottom end of the front-end filter, the internal filter and the adaptive filter.

[0012] As the preferred of the above technical scheme, the heat conduction plates are integrally formed between the outside of the heat conduction plates and the inner wall of the fixed shell, and the heat dissipation plates and the heat conduction plates are the same in shape.

[0013] The beneficial effects of the present application are:

[0014] (1) The overall architecture of the device tightly integrates the wireless communication equipment such as 5G RRU and antenna in a sealed metal cavity, designs an integrated structure, which can effectively reduce the space occupation, simplify the installation steps, reduce the maintenance difficulty, and adopt a multi-layer sealing design to reduce the interference of water stains and dust, thereby reducing the failure rate during use;

[0015] (2) In the present scheme, electromagnetic anti-interference mainly adopts self-excitation automatic detection and echo cancellation technology, and the two ways can be dynamically adjusted according to the needs, thereby reducing the power consumption of the system and improving the accuracy of signal transmission;

[0016] (3) The device can be easily cooled, and the integrated heat dissipation structure prevents dust from entering the device interior, thereby effectively improving the protection effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The diagram shown is a structural schematic of an outdoor bidirectional relay station according to Embodiment 1;

[0018] Figure 2 The diagram shown is a cross-sectional view of the outer casing in Embodiment 1;

[0019] Figure 3 The diagram shown is a schematic of the power supply installation structure in Embodiment 1;

[0020] Figure 4 The diagram shown is a schematic of the installation structure of the internal filter in Embodiment 1;

[0021] Figure 5 The diagram shown is a schematic representation of the cylindrical heat pipe in Example 1.

[0022] Figure 6 The diagram shown is a schematic diagram of the rectangular heat pipe in Embodiment 1;

[0023] Figure 7 The diagram shown is a schematic diagram of the integrated propagation structure in Embodiment 1;

[0024] Figure 8 The diagram shown is a schematic diagram of the radio frequency unit in Embodiment 1;

[0025] Figure 9 The diagram shown is a structural schematic of the access unit in Embodiment 1;

[0026] Figure 10 The diagram shown is a process flow chart of the filtering process in Example 1.

[0027] In the diagram: 1. Outer shell; 2. End cap; 3. Inner protective shield; 4. Integrated junction box; 5. Heat-conducting strip; 6. Mounting plate; 7. HBPO board; 8. Front-end filter; 9. Internal filter; 10. Adaptive filter; 11. Integrated propagation structure; 1101. Aluminum alloy housing; 1102. Access unit; 1103. RF unit; 1104. Intermediate layer; 1105. Shock-absorbing sponge; 1106. Panel interface side hole; 12. Power supply; 13. Shielding guide shroud; 14. Cooling fan; 15. Desiccant; 16. Mounting shell; 17. Cylindrical heat pipe; 18. Heat-conducting plate; 19. U-shaped heat pipe; 20. Rectangular heat pipe; 21. Polyarylamide polymer; 22. Heat sink; 23. Heat sink tube. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0029] Example 1: This invention provides an outdoor bidirectional repeater station, such as...Figures 1 to 10 As shown, comprising: the shell 1, the shell 1 using a plastic with low water absorption and high moisture resistance, rubber or metal, the shell 1 top end fixed installation of end cap 2, the shell 1 inner wall integral with the inner protective shield 3, the material of the inner protective shield 3 is aluminum, the shell 1 and the inner protective shield 3 between the conductive adhesive, for increasing the conductivity, for the shell 1 and the inner protective shield 3 between the fixed installation of a integral wiring box 4, the shell 1 inside fixed installation of HBPO board card 7, HBPO board card 7 support large data processing capacity, the shell 1 inside HBPO board card 7 side position installation of front end filter 8, the shell 1 inside front end filter 8 side position fixed installation of internal filter 9, the shell 1 inside internal filter 9 side position fixed installation of adaptive filter 10, the shell 1 inside adaptive filter 10 side position installation of a integral propagation structure 11, the shell 1 inside integral propagation structure 11 top end position fixed installation of power 12, the shell 1 inside HBPO board card 7 bottom end position installation of cooling fan 14.

[0030] As shown in Figure 3 , Figure 4 and Figure 10 , the HBPO board card 7, front end filter 8, internal filter 9, adaptive filter 10 and integral propagation structure 11 bottom end are installed with mounting plate 6, the number of mounting plate 6 is three, the outer side of HBPO board card 7, front end filter 8, internal filter 9, adaptive filter 10 and integral propagation structure 11 is coated with moisture-proof coating, for protection, front end filter 8, internal filter 9, adaptive filter 10 are installed on the same mounting plate 6, the bottom end of three mounting plate 6 is fixedly installed with heat conduction strip 5, heat conduction strip 5 is fixedly installed in the inner wall of the shell 1, a part of the frequency conversion is sent into the transmitting antenna, the echo signal is formed through the external channel, the echo signal and the useful signal enter the receiving antenna, and the transmitting signal X is sent into the adaptive filter 10 to form W, the estimated echo signal Y is obtained, the adaptive algorithm is used to adjust the adaptive filter 10 to form W, so that the W formed by the filter tends to the response of the external channel after the front end filter 8 is connected in series, and finally the purpose of eliminating echo is achieved.

[0031] As shown in Figures 7 to 9As shown, the integrated propagation structure 11 includes an aluminum alloy box 1101 fixedly mounted on the mounting plate 6, an access unit 1102 is embedded and mounted at the top end inside the aluminum alloy box 1101, receives the macro station LTE (4G), NR (5G) source through the donor antenna, after RF amplification, AD (analog converter) sampling, digital signal processing, broadcasts to the RF unit 1103; At the same time, receive the baseband signal of the RF unit 1103, after digital signal processing, DA (digital analog converter) digital analog conversion, after RF amplification, transmit through the donor antenna, complete the function of receiving macro station source and transmitting signal, the access unit 1102 is internally mounted at the bottom end of the RF unit 1103, completes the distribution and convergence of CPRI (CPRI standardized protocol, mainly used to define the interface specification between wireless base station internal wireless device control center (REC) and wireless device (RE)) data, sampling rate conversion, AD / DA interface conversion, RF amplification, etc., complete the RF signal splitting, amplification and coverage, the middle layer 1104 is provided in the middle of the aluminum alloy box 1101, the shockproof sponge 1105 is bonded at the position outside the access unit 1102 and the RF unit 1103 inside the aluminum alloy box 1101, the shockproof sponge 1105 is used for protecting electrical components, the panel interface side hole 1106 is provided at the position of the access unit 1102 inside the aluminum alloy box 1101, for installing the panel.

[0032] As shown in Figures 2 to 3 The shell 1 is internally provided with a shielding fairing 13 at the position outside the HBPO (hyperbranched polyether) board card 7, the front-end filter 8, the internal filter 9, the adaptive filter 10 and the integrated propagation structure 11, and the shielding fairing 13 is fixedly installed at the bottom end of the shielding fairing 13. The shielding fairing 13 is provided with a drying agent 15 inside, which absorbs the residual moisture inside to prevent moisture from corroding the circuit.

[0033] As shown in Figures 4 to 6 The fixed shell 16 is symmetrically mounted outside the shielding fairing 13, and the fixed shell 16 is fixedly installed inside the shell 1 and the inner protective shielding cover 3. The cylindrical heat pipe 17 is fixedly installed inside the fixed shell 16, and the heat dissipation pipe 23 is slidably connected to the position corresponding to one end of the cylindrical heat pipe 17 inside the fixed shell 16, which can facilitate heat dissipation, thereby accelerating heat dissipation.

[0034] As shown in Figures 4 to 6As shown, the heat-conducting plate 18 is fixedly installed between the plurality of cylindrical heat-conducting pipes 17, one end of the heat-conducting plate 18 is fixedly installed with the L-shaped heat-conducting pipe 19, the L-shaped heat-conducting pipe 19 is slidably connected with the rectangular heat-conducting pipe 20, one end of the plurality of rectangular heat-conducting pipes 20 is installed with the heat-dissipating plate 22, the heat-dissipating pipe 23 is fixedly connected between the adjacent surfaces of the heat-dissipating plate 22, the L-shaped heat-conducting pipe 19 is provided with the polyarylamide polymer 21, and one end of the polyarylamide polymer 21 is fixedly connected with one end of the rectangular heat-conducting pipe 20.

[0035] As shown in Figures 4 to 6 the expansion and contraction of the polyarylamide polymer 21, the polyarylamide polymer 21 expands to drive the rectangular heat-conducting pipe 20 to move, the rectangular heat-conducting pipe 20 moves to drive the heat-dissipating plate 22 to move, the heat-dissipating plate 22 moves to drive the heat-dissipating pipe 23 to move, the range of the heat-dissipating pipe 23 in contact with the air is increased, thereby accelerating the heat dissipation of the overall device.

[0036] As shown in Figures 3 to 4 the mounting plate 6 is symmetrically installed with the flow guide strips at the top end of the front-end filter 8, the internal filter 9 and the adaptive filter 10;

[0037] The flow guide strips can facilitate the flow of gas, so that the flowing gas enters the outside of the front-end filter 8, the internal filter 9 and the adaptive filter 10, thereby facilitating the heat dissipation of the front-end filter 8, the internal filter 9 and the adaptive filter 10.

[0038] As shown in Figures 5 to 6 the heat-conducting plate 18 is integrally formed between the outside of the heat-conducting plate 18 and the inner wall of the fixed shell 16, and the heat-dissipating plate 22 and the heat-conducting plate 18 have the same shape;

[0039] The fixed shell 16 can be easily blocked, and the heat exchange is not affected, thereby improving the heat dissipation performance of the device.

[0040] Working principle: in the actual use process of the device, the macro station LTE (4G) and NR (5G) signal source is received by the donor antenna and connected to the receiving unit 1102, and after the radio frequency amplification, analog converter (AD) sampling and other processes, the baseband signal is obtained through the digital signal processing machine, the received baseband signal is converted into a radio frequency signal again, and the radio frequency unit 1103 is sent to the donor antenna to complete the function of transmitting signal;

[0041] Due to the fluctuation of the signal in the transmission process, the front-end filter 8, the internal filter 9 and the adaptive filter 10 work together to filter and process the received signal, and the adaptive filter 10 adjusts its response according to the echo signal information through the adaptive algorithm, effectively eliminates the echo and enhances the signal quality.

[0042] At this time, the radio frequency unit 1103 inside the integrated propagation structure 11 realizes the channel to realize the CPRI data distribution, convergence and sampling rate conversion, and completes the radio frequency signal splitting and combining, amplification and coverage, while shielding the electromagnetic waves from the outside under the action of the shielding fairing 13, the inner protective shield 3 and the outer shell 1, and starting the cooling fan 14, which flows along the surface of the electronic components when the cooling fan 14 is running, at this time, along the shielding fairing 13 into the cylindrical heat conduction pipe 17 inside, at this time, the cylindrical heat conduction pipe 17 conducts heat to the heat conduction plate 18, the heat conduction plate 18 introduces heat into the back-shaped heat conduction pipe 19, and the temperature difference drives the polyarylamide polymer 21 to expand, the polyarylamide polymer 21 expands to push the rectangular heat conduction pipe 20 to move, the movement of the rectangular heat conduction pipe 20 drives the heat dissipation plate 22 to move, the movement of the heat dissipation plate 22 drives the heat dissipation pipe 23 to further move, the range of the heat dissipation pipe 23 in contact with the air increases, accelerates heat dissipation, and the heat conduction plate 18 and the fixed shell 16 are integrally formed, improving the heat dissipation performance, and taking into account the anti-blocking requirement inside the outer shell 1.

[0043] The above examples are only used to illustrate the technical solutions of the present application, but not limit it.

Claims

1. An outdoor bidirectional repeater station, characterized in that, The device includes an outer shell (1), an end cap (2) fixedly installed at the top of the outer shell (1) by screws, an inner protective shield (3) integrally formed on the inner wall of the outer shell (1), an integrated junction box (4) fixedly installed between the outer shell (1) and the inner protective shield (3), an HBPO board (7) fixedly installed inside the outer shell (1), a front-end filter (8) installed inside the outer shell (1) at one side of the HBPO board (7), an internal filter (9) fixedly installed inside the outer shell (1) at one side of the front-end filter (8), an adaptive filter (10) fixedly installed inside the outer shell (1) at one side of the internal filter (9), an integrated propagation structure (11) installed inside the outer shell (1) at one side of the adaptive filter (10), a power supply (12) fixedly installed inside the outer shell (1) at the top of the integrated propagation structure (11), and a cooling fan (14) installed at the bottom of the HBPO board (7) inside the outer shell (1). The HBPO board (7), front-end filter (8), internal filter (9), adaptive filter (10) and integrated propagation structure (11) are all equipped with mounting plates (6) at their bottom ends. The integrated propagation structure (11) includes an aluminum alloy housing (1101) fixedly installed on the mounting plate (6). An access unit (1102) is embedded in the top of the aluminum alloy housing (1101). An radio frequency unit (1103) is installed in the bottom of the access unit (1102). An intermediate layer (1104) is provided in the middle of the aluminum alloy housing (1101). Shock-absorbing sponge (1105) is bonded to the inside of the aluminum alloy housing (1101) at the position outside the access unit (1102) and the radio frequency unit (1103). A panel interface side hole (1106) is provided inside the aluminum alloy housing (1101) at the position on one side of the access unit (1102). Inside the outer casing (1), a shielding shroud (13) is installed by screws at the location outside the HBPO board (7), front-end filter (8), internal filter (9), adaptive filter (10) and integrated propagation structure (11). A fixed shell (16) is symmetrically installed on the outside of the shielding shroud (13). The fixed shell (16) is fixedly installed inside the outer shell (1) and the inner protective shield (3). A cylindrical heat pipe (17) is fixedly installed inside the fixed shell (16). A heat dissipation pipe (23) is slidably connected to one end of the cylindrical heat pipe (17) inside the fixed shell (16). A heat-conducting plate (18) is fixedly installed between several cylindrical heat-conducting pipes (17). A U-shaped heat-conducting pipe (19) is fixedly installed at equal intervals at one end of the heat-conducting plate (18). A rectangular heat-conducting pipe (20) is slidably connected inside the U-shaped heat-conducting pipe (19). A heat dissipation plate (22) is installed between one end of several rectangular heat-conducting pipes (20). The adjacent surfaces of the heat dissipation pipe (23) and the heat dissipation plate (22) are fixedly connected.

2. The outdoor bidirectional relay station according to claim 1, characterized in that, The number of mounting plates (6) is set to three. The front-end filter (8), internal filter (9) and adaptive filter (10) are mounted on the same mounting plate (6). A heat-conducting strip (5) is fixedly installed at the bottom of each of the three mounting plates (6). The heat-conducting strip (5) is fixedly installed on the inner wall of the outer shell (1).

3. The outdoor bidirectional relay station according to claim 2, characterized in that, A cooling fan (14) is fixedly installed at the bottom of the shielding shroud (13), and a desiccant (15) is provided inside the shielding shroud (13).

4. The outdoor bidirectional relay station according to claim 3, characterized in that, The inside of the spiral heat pipe (19) is provided with a polyarylamide polymer (21), and one end of the polyarylamide polymer (21) is fixedly connected to one end of the rectangular heat pipe (20).

5. The outdoor bidirectional relay station according to claim 4, characterized in that, Guide strips are symmetrically installed on the top edge of the mounting plate (6) located at the bottom of the front-end filter (8), the internal filter (9) and the adaptive filter (10).

6. The outdoor bidirectional relay station according to claim 5, characterized in that, The outer side of the heat-conducting plate (18) and the inner wall of the fixed shell (16) are integrally formed, and the heat dissipation plate (22) and the heat-conducting plate (18) have the same shape.

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