Signal remote amplification system with protection function

Abstract

The utility model discloses a signal remote amplification system with a protection function, which comprises a radio remote unit, the radio remote unit is placed in a protection box, an inner side plate and an outer side plate are fixed on the protection box, a Z-shaped ventilation channel is formed between the inner side plate and the outer side plate, a first filter screen fixed on the protection box is arranged at the Z-shaped ventilation channel, and a second filter screen fixed on the protection box is arranged on the Z-shaped ventilation channel. A heat dissipation assembly is arranged at the bottom of the protection box, a buckle cover is arranged on the protection box, the buckle cover is fixed to the protection box through a locking assembly, a damping assembly is arranged between the protection box and the buckle cover, the remote radio unit is fixed between the protection box and the buckle cover through the damping assembly, and the damping assembly is used for controlling locking or unlocking of the locking assembly. The wet radio remote unit is clamped and damped conveniently, the functions of ventilation, heat dissipation and rainwater entering prevention in the protection box are added, the wet radio remote unit can be effectively protected, and the service life of the wet radio remote unit is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of signal remote amplification, and relates to a signal remote amplification system with a protection function. Background Art

[0002] Radio remote unit (RRH) is a technology that converts baseband signals into optical signals for transmission and amplifies them at the remote end. The radio remote unit (RRH) is a new type of distributed network coverage mode. Its working principle is that the baseband signal is frequency-converted, filtered, RF-filtered, and then transmitted to the antenna feed through a linear power amplifier. The uplink signal received from the mobile terminal is filtered, low-noise amplified, further RF small signal amplified, filtered, and down-converted, and then the analog-to-digital conversion and digital intermediate frequency processing are completed.

[0003] The Chinese utility model patent with application number 202120368397.5 discloses a signal amplifying device for a 5G radio frequency remote unit, including a base station antenna and a radio frequency remote unit installed at the bottom of a pole, wherein the base station antenna is located above the radio frequency remote unit, the upper end of the outer wall of the base station antenna is connected to clamp group one, and the lower end of the outer wall of the base station antenna is connected to clamp group two, and the base station antenna is detachably fixed to the pole through clamp group one and clamp group two at the same time, and a high-gain loop antenna is also installed on the pole. This application facilitates the loading and unloading and maintenance of the base station antenna, and amplifies the signal of the radio frequency remote unit, but the existing signal remote amplification system is directly exposed to the outside, which is easily stained with dust or damaged by rain, thereby delaying its use and increasing maintenance costs. Therefore, it is necessary to design a signal remote amplification system with a protective function to solve the above problems. Utility Model Content

[0004] In view of the above problems and to overcome the defects of the prior art, the utility model proposes a signal remote amplification system with a protective function. The purpose of the utility model is to facilitate the clamping and shock absorption of the wetted RF remote unit, increase the ventilation and heat dissipation and rainwater prevention functions in the protection box, effectively protect the wetted RF remote unit, and extend the service life of the wetted RF remote unit.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: the utility model includes a radio frequency remote unit, which is placed in a protection box, an inner plate and an outer plate are fixed on the protection box, a Z-shaped ventilation channel is formed between the inner plate and the outer plate, a first filter fixed to the protection box is arranged at the ventilation groove, a heat dissipation assembly is arranged at the bottom of the protection box, a buckle cover is arranged on the protection box, the buckle cover is fixed to the protection box through a locking assembly, a shock absorbing assembly is arranged between the protection box and the buckle cover, and the radio frequency remote unit is fixed between the protection box and the buckle cover through the shock absorbing assembly.

[0006] Preferably, the heat dissipation component includes an air inlet opened on the protection box, a second filter fixed to the protection box is arranged at the air inlet, a motor fixed to the protection box is arranged at the air inlet, and a fan is fixed to the output end of the motor.

[0007] Preferably, the shock absorbing assembly includes extrusion plates located on the upper and lower sides of the radio frequency remote unit, and a shock absorber is fixed on each of the extrusion plates. The shock absorber located on the upper side of the radio frequency remote unit is fixed between the corresponding extrusion plate and the buckle cover, and the shock absorber located on the lower side of the radio frequency remote unit is fixed between the corresponding extrusion plate and the support plate, and the two groups of support plates are fixed on the lifting assembly.

[0008] Preferably, the lifting assembly includes threaded columns fixed on two groups of support plates, and the number of threaded columns fixed on each group of support plates is two, each of the threaded columns is meshed with a corresponding threaded cylinder, and each of the threaded cylinder is fixed on a corresponding first synchronous wheel, and the two first synchronous wheels on each group of support plates are connected by a first synchronous belt, wherein a second synchronous wheel is fixed on two of the first synchronous wheels, and the two second synchronous wheels are connected by a second synchronous belt, and a third synchronous wheel is meshed on the second synchronous belt, and a rotating column is installed on the third synchronous wheel, and the rotating column is connected to a locking assembly to control the unlocking and locking of the locking assembly.

[0009] Preferably, the locking assembly includes a plurality of lock frames fixed on the buckle cover, each of the lock frames is slidably disposed in a card slot opened on the protection box, each of the lock frames is provided with an L-shaped block slidably connected to the protection box, the L-shaped block is fixed on the card block, each of the card blocks is fixed with a spring, each of the springs is fixed on the inner wall of the card slot in the protection box, a positioning plate is provided on the lower side of each of the card blocks, a plurality of the positioning plates are fixed together, a plurality of the positioning plates are located in the protection box, a matching block is fixed at the connection of the plurality of positioning plates, a rotating column is rotatably provided on the matching block, and the rotating column is installed on the rotating column.

[0010] Preferably, a clamping block is fixed on the rotating column, a clamping groove cooperating with the clamping block is formed on the third synchronous wheel, and the rotating column is fixed on the rotating column through the clamping block.

[0011] Preferably, a support is fixed to the bottom of the protection box.

[0012] Preferably, a plurality of grooves are formed on the rotating column, a baffle is fixed to the bottom of the protection box, a baffle is threadedly connected with a baffle column, and the baffle column can be inserted into the groove.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model can prevent rainwater from entering the protection box from the first filter screen during the rainy season, thereby wetting the radio frequency remote unit and causing damage to the wet radio frequency remote unit, and can ventilate and dissipate heat for the radio frequency remote unit by setting the heat dissipation component and the L-shaped vent, thereby extending the service life of the radio frequency remote unit, and can facilitate clamping of the wet radio frequency remote unit by the mutual cooperation of the buckle cover, the protection box, the shock absorbing component and the locking component, and at the same time, when the protection box is subjected to external vibration, shock absorption is performed, thereby extending the service life of the wet radio frequency remote unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of the structure of the utility model;

[0016] Figure 2 A three-dimensional schematic diagram of the structure of the utility model

[0017] Figure 3 This is a schematic diagram of the internal structure of the utility model;

[0018] Figure 4 For this utility model Figure 2 The enlarged schematic diagram of point A in the middle;

[0019] Figure 5 For this utility model Figure 2 The enlarged schematic diagram of point B in the middle;

[0020] Figure 6 It is a schematic diagram of the position of the clamping slot in the utility model;

[0021] Figure 7 It is a structural schematic diagram of the positioning plate in the utility model;

[0022] Figure 8 For this utility model Figure 1 Enlarged schematic diagram of point C in the middle.

[0023] Figure markings: 1-radio remote unit, 2-protection box, 3-Z-type ventilation channel, 4-first filter, 5-buckle cover, 6-air inlet, 7-second filter, 8-motor, 9-fan, 10-extrusion plate, 11-shock absorber, 12-support plate, 13-threaded column, 14-threaded cylinder, 15-first synchronous wheel, 16-first synchronous belt, 17-second synchronous wheel, 18-third synchronous wheel, 19-second synchronous belt, 20-rotating column, 21-locking frame, 22-card slot, 23-card block, 24-spring, 25-positioning plate, 26-matching block, 27-rotating column, 28-card block, 29-card slot, 30-support, 31-groove, 32-baffle, 33-baffle column, 34-L-shaped block, 35-inner plate, 36-outer plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The following is combined with Figure 1-8 The specific implementation modes of the present utility model are further described in detail.

[0026] In this embodiment, by Figure 1-3 As shown, the utility model includes a radio frequency remote unit 1, and the radio frequency remote unit 1 is placed in a protection box 2. The left and right sides of the protection box 2 are both open, and an inner plate 35 and an outer plate 36 are arranged at the openings. The inner plate 35 is located on the upper side of the protection box 2, and the outer plate 36 is located on the lower side of the protection box 2. The inner plate 35 and the outer plate 36 are staggered to form a Z-shaped ventilation channel. The Z-shaped ventilation channel 3 is provided with a first filter 4 fixed on the protection box 2. The bottom of the protection box 2 is provided with a heat dissipation component, and the protection box 2 is provided with a buckle cover. 5, the buckle cover 5 is fixed to the protection box 2 through a locking assembly, a shock absorbing assembly is arranged between the protection box 2 and the buckle cover 5, the RF remote unit 1 is fixed between the protection box 2 and the buckle cover 5 through the shock absorbing assembly, the shock absorbing assembly is used to control the locking or unlocking of the locking assembly, the design of the L-shaped vent 3 can prevent rainwater from entering the protection box 2 from the first filter 4 during the rainy season, and prevent the RF remote unit 1 from being soaked, and the RF remote unit 1 can be ventilated and cooled by the heat dissipation assembly and the L-shaped vent 3, thereby extending the service life of the RF remote unit 1.

[0027] In this embodiment, by Figure 1-3 As shown, the heat dissipation component includes an air inlet 6 opened at the bottom of the protection box 2, and a second filter 7 fixed on the protection box 2 is arranged at the air inlet 6. A motor 8 fixed on the protection box 2 is arranged at the air inlet 6, and a fan 9 is fixed at the output end of the motor 8. The operation of the motor 8 drives the fan 9 to rotate, drives air circulation, and improves the heat dissipation efficiency.

[0028] In this embodiment, by Figure 3 and Figure 5As shown, the shock absorbing assembly includes extrusion plates 10 located at the upper and lower sides of the radio frequency remote unit 1, and a shock absorber 11 is fixed on each of the extrusion plates 10. The shock absorber 11 located on the upper side of the radio frequency remote unit 1 is fixed between the corresponding extrusion plate 10 and the buckle cover 5, and the shock absorber 11 located on the lower side of the radio frequency remote unit 1 is fixed between the corresponding extrusion plate 10 and the support plate 12. The support plate 12 is slidably arranged in the protection box 2 through a groove opened in the protection box 2. Two groups of the support plates 12 are fixed on the lifting assembly. By lifting the radio frequency remote unit 1 is placed on the lower extrusion plate 10, and the upper extrusion plate 10 is made to fit the upper side wall of the RF remote unit 1 by buckling the buckle cover 5, and the buckle cover 5 is fixed by the locking assembly, and then the support plate 12 is raised by the lifting assembly, so that the extrusion plate 10 is pushed to press the RF remote unit 1 by the shock absorber 11 on the lower extrusion plate 10, so that the upper extrusion plate 10 and the lower extrusion plate 10 clamp the RF remote unit 1, and when the protection box 2 vibrates, the upper extrusion plate 10, the lower extrusion plate 10 and the corresponding shock absorber 11 are used to reduce vibration.

[0029] In this embodiment, by Figure 3 and Figure 5As shown, the lifting assembly includes a threaded column 13 fixed on two groups of the support plates 12, and the number of threaded columns 13 fixed on each group of the support plates 12 is two, each of the threaded columns 13 is threadedly connected to the corresponding threaded cylinder 14, and each of the threaded cylinders 14 is fixed to the corresponding first synchronous wheel 15, and the two first synchronous wheels 15 on each group of the support plates 12 are connected by a first synchronous belt 16, wherein the two first synchronous wheels 15 are fixed with a second synchronous wheel 17, and the two second synchronous wheels 17 are connected by a second synchronous belt 19, and the second synchronous belt 19 is meshed with a third synchronous wheel 18, and the second synchronous wheel 17 and the third synchronous wheel 18 are both rotatably installed in the protection box 2 through bearings, and the third synchronous wheel 18 is plugged with a rotating column 20, and the rotating column 20 is connected to the locking assembly to control the unlocking and locking of the locking assembly, and the staff drives the third synchronous wheel 18 to rotate by manually rotating the rotating column 20, and the third synchronous wheel 18 drives the two second synchronous wheels 17 to rotate through the second synchronous belt 19. The two second synchronous wheels 17 drive the two first synchronous wheels 15 to rotate, and the two first synchronous wheels 15 drive the other first synchronous wheel 15 to rotate respectively through the corresponding first synchronous belt 16. At this time, all the first synchronous wheels 15 rotate, and all the first synchronous wheels 15 drive the threaded column 13 to rise by driving the threaded cylinder 14 to rotate, thereby driving the support plate 12 to rise, thereby squeezing the corresponding shock absorber 11 and squeezing the lower squeezing plate 10. A plurality of grooves are provided in the protection box 2, and the first synchronous wheel 15, the second synchronous wheel 17, the third synchronous wheel 18, the first synchronous belt 16 and the second synchronous belt 19 are respectively located in the plurality of grooves and do not contact the grooves, wherein the outer side walls of the first synchronous belt 16 and the second synchronous belt 19 are close to the groove wall of the inner groove of the protection box 2, so that the distance between the first synchronous belt 16 and the second synchronous belt 19 and the groove wall of the inner groove of the protection box 2 does not exceed the tooth length of the first synchronous wheel 15, the second synchronous wheel 17 and the third synchronous wheel 18, so that when the first synchronous belt 16 and the second synchronous belt 19 are running, they will not be out of cooperation with the third synchronous wheel 18.

[0030] In this embodiment, by Figure 3 , Figure 4 and Figure 7As shown, the locking assembly includes a plurality of lock frames 21 fixed on the buckle cover 5, and a lock hole is provided on the lock frame 21. Each of the lock frames 21 is inserted into a card slot 22 provided on the protection box 2, and each of the lock frames 21 is provided with an L-shaped block 34 slidably connected to the protection box 2, and the L-shaped block 34 is fixed on the card block 23. The L-shaped block 34 can be inserted into the lock hole, and a spring 24 is fixed on each of the card blocks 23, and each of the springs 24 is fixed on the inner wall of the card slot 22 in the protection box 2. A positioning plate 25 is placed on the lower side of each of the card blocks 23, and the positioning plate 25 is slidably installed in the inner wall of the protection box 2 through the slide groove provided in the protection box 2. The lower part of the card block 23 is arc-shaped, and the top of the positioning plate 25 is arc-shaped. The positioning plate 25 is a three-section folding plate. A plurality of the positioning plates 25 are fixed together, and a matching block 26 is fixed at the connection of the plurality of positioning plates 25. A rotating column 27 is rotatably provided on the matching block 26 through a bearing, and the rotating column 27 is fixedly installed on the rotating column 20. When the buckle cover 5 is buckled, the L-shaped block 34 is inserted into the lock hole. At this time, the lock frame 21 cannot move upward. When the rotating column 20 is moved upward, the rotating column 20 drives the matching block 26 and the positioning plate 25 to move upward through the rotating column 27. The positioning plate 25 supports the card block 23. When the positioning plate 25 contacts the card block 23, the upper arc surface of the positioning plate 25 supports the lower arc surface of the card block 23, thereby pushing the card block 23 to move. The positioning plate 25 can push the card block 23 to drive the L-shaped block 34 to move away from the lock frame 21. When the L-shaped block 34 is out of cooperation with the lock frame 21, the buckle cover 5 can be removed.

[0031] In this embodiment, by Figure 3 and Figure 5-6 As shown, a clamping block 28 is fixed on the rotating column 20, and a clamping groove 29 cooperating with the clamping block 28 is opened on the third synchronous wheel 18. The rotating column 27 is fixed to the rotating column 20 through the clamping block 28. The rotating column 20 can be slidably connected with the third synchronous wheel 18 through the clamping block 28 and the clamping groove 29. At the same time, the rotating column 20 can drive the third synchronous wheel 18 to rotate through the clamping block 28 and the clamping groove 29. The matching relationship between the clamping block 28 and the clamping groove 29 adopts the working principle of spline matching.

[0032] In this embodiment, by Figure 1-3 As shown, a support 30 is fixed to the bottom of the protection box 2 .

[0033] In this embodiment, by Figure 3 and Figure 6 and Figure 8The rotating column 20 is provided with a plurality of grooves 31, and a baffle 32 is fixed to the bottom of the protective box 2. The baffle 32 is fixed to the bottom of the protective box 2, and a baffle 33 is threadedly connected to the baffle 32. The baffle 33 can be inserted into the groove 31. By rotating the baffle 33, the baffle 33 can be moved toward the rotating column 20, thereby cooperating with the groove 31 to limit the rotation of the rotating column 20, thereby preventing the rotating column 20 from rotating and driving the support plate 12 to move up and then reverse, causing the support plate 12 to descend and not clamp the radio frequency remote unit 1 tightly.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A signal remote amplification system with protection function, comprising a radio frequency remote unit, characterized in that: The radio frequency remote unit is placed in a protection box, an inner plate and an outer plate are fixed on the protection box, a Z-shaped ventilation channel is formed between the inner plate and the outer plate, a first filter fixed to the protection box is arranged at the Z-shaped ventilation channel, a heat dissipation assembly is arranged at the bottom of the protection box, a buckle cover is arranged on the protection box, the buckle cover is fixed to the protection box through a locking assembly, a shock absorbing assembly is arranged between the protection box and the buckle cover, the radio frequency remote unit is fixed between the protection box and the buckle cover through the shock absorbing assembly, and the shock absorbing assembly is used to control the locking or unlocking of the locking assembly.

2. The signal remote amplification system with protection function according to claim 1, characterized in that: The heat dissipation component includes an air inlet opened on the protection box, a second filter fixed on the protection box is arranged at the air inlet, a motor fixed on the protection box is arranged at the air inlet, and a fan is fixed at the output end of the motor.

3. The signal remote amplification system with protection function according to claim 1, characterized in that: The shock absorbing assembly includes extrusion plates located on the upper and lower sides of the radio frequency remote unit, and a shock absorber is fixed on each of the extrusion plates. The shock absorber located on the upper side of the radio frequency remote unit is fixed between the corresponding extrusion plate and the buckle cover, and the shock absorber located on the lower side of the radio frequency remote unit is fixed between the corresponding extrusion plate and the support plate. Two groups of the support plates are slidably arranged in the protection box, and the two groups of the support plates are fixed on the lifting assembly.

4. The signal remote amplification system with protection function according to claim 3, characterized in that: The lifting assembly includes threaded columns fixed on two groups of support plates, and the number of threaded columns fixed on each group of support plates is two, each of the threaded columns is meshed with a corresponding threaded cylinder, and each of the threaded cylinders is fixed on a corresponding first synchronous wheel. The two first synchronous wheels on each group of support plates are connected by a first synchronous belt, wherein a second synchronous wheel is fixed on the two first synchronous wheels, and the two second synchronous wheels are connected by a second synchronous belt, and a third synchronous wheel is meshed on the second synchronous belt. A rotating column is installed on the third synchronous wheel, and the rotating column is connected to a locking assembly to control the unlocking and locking of the locking assembly.

5. The signal remote amplification system with protection function according to claim 4, characterized in that: The locking assembly includes multiple lock frames fixed on the buckle cover, each of the lock frames is slidably set in a card slot opened on the protection box, each of the lock frames is provided with an L-shaped block slidably connected to the protection box, the L-shaped block is fixed on the card block, each of the card blocks is fixed with a spring, each of the springs is fixed on the inner wall of the card slot in the protection box, a positioning plate is provided on the lower side of each of the card blocks, multiple positioning plates are fixed together, multiple positioning plates are located in the protection box, matching blocks are fixed at the connection of multiple positioning plates, a rotating column is rotatably provided on the matching block, and the rotating column is installed on the rotating column.

6. The signal remote amplification system with protection function according to claim 5, characterized in that: A clamping block is fixed on the rotating column, a clamping groove matched with the clamping block is opened on the third synchronous wheel, and the rotating column is fixed on the rotating column through the clamping block.

7. The signal remote amplification system with protection function according to claim 1, characterized in that: A support is fixed on the bottom of the protection box.

8. The signal remote amplification system with protection function according to claim 6, characterized in that: A plurality of grooves are formed on the rotating column, a baffle is fixed on the bottom of the protection box, a baffle is threadedly connected with a baffle column, and the baffle column can be inserted into the groove.

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