An active antenna for communication that is easy to dissipate heat

Abstract

The present invention belongs to the technical field of active antennas, and in particular, is an active antenna for communication that is easy to dissipate heat. In view of the problem that the prior art cannot dissipate heat in a targeted manner according to the temperature of each internal component, resulting in low overall heat dissipation efficiency, the following scheme is proposed, including a device housing, a PC circuit board is fixed to the inner wall of the rear side of the device housing, a signal receiving module, a power module and a signal amplification module are arranged on the surface of the PC circuit board, both sides of the device housing near the top and the middle of the lower surface of the device housing are provided with extension line jacks electrically connected to the signal receiving module, and a mounting hole is opened near the middle of the side of the device housing, and a blower mechanism is arranged in the mounting hole. The present invention can guide the wind direction to the side with a higher temperature for targeted heat dissipation according to the heat dissipation needs, and a circulation can be formed on the other side, thereby comprehensively improving the heat dissipation efficiency and reducing the overall energy consumption.

Description

Technical Field

[0001] The invention relates to the technical field of active antennas, and in particular to an active antenna for communication which is easy to dissipate heat. Background Art

[0002] An active antenna is a device that combines receiving and transmitting circuits with an antenna structure. Unlike traditional passive antennas, active antennas have built-in amplifiers or other electronic components that can enhance the signal reception capability or transmission power. It is widely used in wireless communications, satellite communications, 5G base stations, radar, radio and television, and other fields.

[0003] After searching, it is found that in the active antennas in the prior art, especially in high-frequency applications, amplifiers and other electronic components will produce large power losses, which will result in a large amount of heat. In addition, the devices are often exposed to the external environment, so a good heat dissipation environment is essential. Traditional heat dissipation methods mostly use a fan installed on the casing to cool the interior, but this cooling method is not targeted and can only blow air in one direction. The fan wind force needs to be increased to achieve the cooling purpose, and the heat dissipation efficiency is low. Summary of the invention

[0004] In view of the technical problem that the prior art cannot dissipate heat in a targeted manner according to the temperature of each internal component, resulting in low overall heat dissipation efficiency, the present invention adopts the following technical solution:

[0005] An active antenna for communication that is easy to dissipate heat comprises a device housing, a PC circuit board is fixed to the inner wall of the rear side of the device housing, a signal receiving module, a power module and a signal amplifying module are arranged on the surface of the PC circuit board respectively, extension line jacks electrically connected to the signal receiving module are arranged near the top of both sides of the device housing and in the middle of the lower surface of the device housing, a mounting hole is opened near the middle of the side of the device housing, and a blower mechanism is arranged in the mounting hole; a front panel is fixed to the front opening of the device housing, and an anti-slip bearing is embedded in the horizontal center plane position of the front panel near the mounting hole, a rotating shaft rod extending horizontally to the inside of the device is inserted in the anti-slip bearing, a swing plate is sleeved on the circumferential outer wall of the rotating shaft rod, and the surface where the swing plate is located is perpendicular to the front panel, buffer springs symmetrical to each other about the swing plate are respectively fixed on both sides of the swing plate, and permanent magnets are fixed to the ends of the two buffer springs that are far away from each other, and two electromagnets and a temperature sensor symmetrical to the horizontal center plane of the mounting hole are arranged on the side of the front panel near the swing plate.

[0006] Preferably, two symmetric fixing seats are fixed on the side of the front panel close to the inside of the device housing, and the fixing seats are provided with insertion holes for installing the electromagnets; a cantilever rod is reserved on the side of the fixing seat away from the anti-loosening bearing, and the cantilever rod is made of a metal rod material that can be bent into any shape, and the corresponding temperature sensor is fixed at the end of the cantilever rod; the temperature sensor can be adjusted to a position near the most energy-consuming and easily overheated position to ensure that the high-temperature prone area can be timely and specifically cooled.

[0007] Preferably, a notch is reserved on the edge of the side of the swing plate close to the front panel, and a cylindrical magnet one is fixed in the notch; a magnet hole is opened on the side of the front panel close to the swing plate, and the magnet hole is located in the middle position between the two fixing seats, and a magnet two that forms a repulsive force with the magnet one is clamped in the magnet hole.

[0008] Preferably, a fixing outer ring with the same aperture as the mounting hole is reserved on the outer side surface of the device housing near the mounting hole; the blowing mechanism includes a T-shaped motor bracket fixed on the inner wall of the mounting hole, and a driving motor is clamped in the middle of the motor bracket, and a fan impeller is fixed at the top end of the output shaft of the driving motor; a gap is left between the fan impeller and the inner surface of the rotating clamping frame; ensuring that the rotating clamping frame can rotate freely later.

[0009] Preferably, an annular groove is opened on the circumferential outer wall of the fixing outer ring, a plurality of ball grooves are opened on the circumferential inner wall of the rotating clamping frame, and balls are embedded in the ball grooves. A plurality of parallel inclined air holes are opened on the bottom of the ball groove of the rotating clamping frame, that is, on the side facing the fan impeller, and the height of the orifice of the same inclined air hole close to the inner side of the device is higher than that of the outer side; a counterweight is fixed on the outer wall of the rotating clamping frame at the low outlet end of the inclined air hole; cooperating with the rotatable balls to ensure that the low outlet end of the inclined air hole always faces downwards when the device is in any position, which can prevent rainwater from flowing into the device interior.

[0010] Preferably, wear-resistant clamping rings are embedded on both sides and the bottom of the device housing, and the size of the wear-resistant clamping rings is adapted to the size of the extension line jack; used for clamping and fixing the extension line jack.

[0011] Preferably, a plurality of balance air holes are opened on the bottom of the device housing, and a plurality of vertically extending rectangular holes parallel to each other are opened on the rear side of the device housing, and a tapered rib is fixed on the outer wall of the rear side of the device housing near each rectangular hole, and the overall shape of the tapered rib is a groove structure, which can increase the internal heat dissipation effect and is also beneficial to the later fixing of the device, playing an anti-slip and stabilizing effect.

[0012] Preferably, fixing studs are reserved at the inner wall of the bottom of the equipment housing near the four corners. The fixing studs are all tubular structures, and the center line of the holes of the fixing studs coincides with the center line of the corresponding fixing through holes. At the ends of the two fixing studs near the top, anti-detachment embedding grooves penetrating the center are opened. A sealing plug tube is inserted into the fixing stud, a tensioning bolt is inserted into the sealing plug tube, and a T-shaped anti-detachment clamping block is fixed at the end of the sealing plug tube at the rear side of the equipment housing. An anti-twisting convex block is reserved on one side of the T-shaped anti-detachment clamping block near the edge of the equipment housing, and a clamping groove adapted to the anti-twisting convex block is opened on the outer side of the equipment housing. Symmetrically arranged groove-shaped clamping rails are respectively slidably clamped on the outer walls of the two T-shaped anti-detachment clamping blocks, and symmetrically arranged arc-shaped fixing rings are respectively fixed at the ends of the two groove-shaped clamping rails close to each other, and the inner arc sides of the two arc-shaped fixing rings face each other.

[0013] Preferably, strip-shaped holes are reserved in the middle of the bottom of each of the two groove-shaped clamping rails, and the length direction of the strip-shaped holes is the same as the length direction of the groove-shaped clamping rails. The tensioning bolts pass through the strip-shaped holes and are all fixed with self-locking nuts, so that the positions of the two arc-shaped fixing rings with adjusted spans can be locked at the same time.

[0014] Preferably, an anti-detachment convex block adapted to the anti-detachment embedding groove is reserved on the circumferential outer wall of one end of the sealing plug tube close to the PC circuit board, which can prevent the anti-detachment convex block from falling off and play a role in preventing water seepage at the rear side.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. By arranging the permanent magnet and the electromagnet, and cooperating with the arrangement of the swing plate capable of guiding the wind direction to swing, when in use, when the temperature sensor on one side issues a high-temperature alarm, different magnetic poles can be generated on the opposite sides of the two electromagnets, one generates a thrust and the other generates a pull force, so that the swing plate can be swung to form a certain angle with the air outlet, the wind direction can be concentrated and guided to the side with higher temperature for targeted heat dissipation, and a circulation can be formed on the other side, comprehensively improving the heat dissipation efficiency and reducing the overall energy consumption.

[0017] 2. By arranging the cantilever rod, the temperature sensor can be adjusted to a position near the most energy-consuming and easily high-temperature area to ensure that the high-temperature prone area can be timely and targeted for heat dissipation.

[0018] 3. By arranging magnet one and magnet two with a repulsive effect on each other, when the swing plate rotates to the middle position during blowing heat dissipation, it will swing under the repulsive force of the two magnets, which is beneficial to the disturbance of the internal air flow.

[0019] 4. When in use, the device can be fixed on a columnar object through a bolt to form a hoop, and the distance between the two arc-shaped fixing rings can be adjusted to adapt to objects with different diameters, reducing the limitation of the fixing position. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 is a schematic diagram of the installation side structure of the present invention;

[0022] Figure 3 is a rear view of the present invention;

[0023] Figure 4 For the present invention Figure 3 is a schematic cross-sectional structure diagram along line A-A in the present invention;

[0024] Figure 5 For the present invention Figure 4 is an enlarged structure diagram at position B in the present invention;

[0025] Figure 6 is an assembly drawing of the present invention;

[0026] Figure 7 is an exploded structure diagram of the swing plate in the present invention;

[0027] Figure 8 is an assembly drawing of the equipment housing and the blowing mechanism of the present invention.

[0028] In the figure: 1, equipment housing; 101, fixed through hole; 102, fixed convex column; 103, mounting hole; 104, fixed outer ring; 105, annular groove; 106, rectangular hole; 107, anti-disengagement embedding groove; 108, wear-resistant retaining ring; 2, extension line jack; 3, arc-shaped fixed retaining ring; 4, front panel; 5, anti-disengagement bearing; 6, rotating shaft rod; 7, counterweight; 8, inclined air hole; 9, rotating clamping frame; 901, ball; 10, conical rib; 11, tensioning bolt; 12, self-locking nut; 13, strip hole; 14, groove-shaped card rail; 15, PC circuit board; 16, signal amplification module; 17, T-shaped anti-disengagement block; 171, anti-twist convex block; 18, sealing plug tube; 181, anti-disengagement convex block; 19, swing plate; 20, power module; 21, magnet one; 22, buffer spring; 23, temperature sensor; 24, electromagnet; 25, fixed seat; 26, magnet two; 27, motor frame; 28, fan impeller. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0030] In this embodiment, with reference to Figures 1-8, An active antenna for communication that is easy to dissipate heat, including a device housing 1 with an overall cuboid box structure having an opening reserved on the front. Fixed through holes 101 are opened at the four corners near the rear inner wall of the device housing 1, and fixed convex columns 102 are welded near the fixed through holes 101 on the inner wall of the device housing 1. The same PC circuit board 15 is fixed among the four fixed convex columns 102 by screws. A signal receiving module, a power module 20, and a signal amplification module 16 are respectively arranged on the surface of the PC circuit board 15. Extension line jacks 2 electrically connected to the signal receiving module are arranged at the two sides near the top of the device housing 1 and in the middle of the lower surface of the device housing 1. An installation hole 103 is opened near the middle of the side surface of the device housing 1, and a blowing mechanism is arranged in the installation hole 103; A front panel 4 is fixed at the front opening of the device housing 1, and an anti - detachment bearing 5 is embedded at the horizontal center plane position of the front panel 4 near the installation hole 103. A rotating shaft rod 6 extending horizontally into the device is inserted into the anti - detachment bearing 5. A swing plate 19 is sleeved on the circumferential outer wall of the rotating shaft rod 6, and the surface where the swing plate 19 is located is perpendicular to the front panel 4. Buffer springs 22 symmetrically arranged with respect to the swing plate 19 are respectively fixed on both sides of the swing plate 19, and permanent magnets are fixed at the ends of the two buffer springs 22 away from each other. Two electromagnets 24 and a temperature sensor 23 symmetrically arranged with respect to the horizontal center plane of the installation hole 103 are arranged on one side of the front panel 4 near the swing plate 19;

[0031] Specifically, through the setting of the permanent magnets and the electromagnets 24, and in cooperation with the setting of the swing plate 19 that can swing to guide the wind direction, when in use, when the temperature sensor 23 on one side gives a high - temperature alarm, different magnetic poles are generated on the opposite sides of the two electromagnets 24. One generates a thrust force and the other generates a pulling force, so that the swing plate 19 can be swung to form a certain angle with the air outlet. The wind direction can be concentrated and guided to the side with higher temperature for targeted heat dissipation, and a circulation can be formed on the other side, comprehensively improving the heat dissipation efficiency and reducing the overall energy consumption.

[0032] In the present invention, two symmetrically arranged fixed seats 25 are fixed on the side of the front panel 4 close to the inside of the device housing 1, and insertion holes for installing the electromagnets 24 are arranged on the fixed seats 25; A cantilever rod is reserved on the side of the fixed seat 25 away from the anti - detachment bearing 5. The cantilever rod is made of a metal rod material that can be bent into any shape, and the corresponding temperature sensor 23 is fixed at the end of the cantilever rod; Through the setting of the cantilever rod, the temperature sensor 23 can be adjusted to a position near the most energy - consuming and easily over - heated area to ensure that targeted heat dissipation can be carried out on the easily over - heated area in a timely manner.

[0033] Refer to Figures 6-7, a notch is reserved on one side edge of the swing plate 19 close to the front panel 4, and a magnet 21 with a cylindrical structure is fixed in the notch; a magnet hole is opened on one side of the front panel 4 close to the swing plate 19, and the magnet hole is located in the middle position between the two fixing seats 25. A magnet 26 that repels the magnet 21 is clamped in the magnet hole; by setting the mutually repulsive magnets 21 and 26, when blowing air for heat dissipation, when the swing plate 19 rotates to the middle position, it will swing under the action of the repulsive force of the two magnets, which is conducive to the disturbance of the internal air flow.

[0034] Refer to Figure 2 and Figure 8 , a fixing outer ring 104 with the same aperture as the mounting hole 103 is reserved on the outer side surface of the equipment shell 1 close to the mounting hole 103; the blowing mechanism includes a motor bracket 27 with a T-shaped structure fixed on the inner wall of the mounting hole 103, and a driving motor is clamped in the middle of the motor bracket 27. The top of the output shaft of the driving motor is fixed with a fan impeller 28; there is a gap between the fan impeller 28 and the inner surface of the rotating clamping frame 9; ensuring that the rotating clamping frame 9 can rotate freely later.

[0035] Refer to Figure 2 and Figure 8 , an annular groove 105 is opened on the circumferential outer wall of the fixing outer ring 104, a plurality of ball grooves are opened on the circumferential inner wall of the rotating clamping frame 9, and balls 901 are embedded in the ball grooves. A plurality of mutually parallel inclined air holes 8 are opened on the bottom of the ball groove of the rotating clamping frame 9, that is, on the side facing the fan impeller 28, and the height of the orifice of the same inclined air hole 8 close to the inner side of the device is higher than that of the outer side; a counterweight 7 is fixed on the outer wall of the rotating clamping frame 9 at the low outlet end of the inclined air hole 8; by setting the inclined air holes 8 and cooperating with the rotatable balls 901, it is ensured that the low outlet end of the inclined air hole 8 is always downward at any position of the device, which can prevent rainwater from flowing into the equipment interior.

[0036] Refer to Figure 8 , wear-resistant clamping rings 108 are embedded on both sides and the bottom of the equipment shell 1, and the size of the wear-resistant clamping rings 108 is adapted to the size of the extension line jack 2; for clamping and fixing the extension line jack 2.

[0037] Refer to Figure 4 and Figure 8 , a plurality of balance air holes are opened at the bottom of the equipment shell 1, and a plurality of mutually parallel vertically extending rectangular holes 106 are opened at the rear side of the equipment shell 1. A tapered rib 10 is fixed on the outer wall of the rear side of the equipment shell 1 close to each rectangular hole 106. The overall shape of the tapered rib 10 is a groove structure, which can increase the internal heat dissipation effect and is also beneficial to the later fixation of the device, playing an anti-slip and stable effect.

[0038] Refer to Figures 4-6 、 Figure 8, at the four corners near the bottom inner wall of the device housing 1, fixing studs 102 are reserved. The fixing studs 102 are all tubular structures, and the center lines of the holes of the fixing studs 102 coincide with the center lines of the corresponding fixing through holes 101; at the ends of the two fixing studs 102 near the top, anti - detachment embedding grooves 107 penetrating the center are opened. A sealing plug tube 18 is inserted into the fixing stud 102, a tensioning bolt 11 is inserted into the sealing plug tube 18, and a T - shaped anti - detachment block 17 is fixed at the end of the sealing plug tube 18 on the rear side of the device housing 1; on one side of the T - shaped anti - detachment block 17 near the edge of the device housing 1, an anti - torsion convex block 171 is reserved, and a clamping groove opening adapted to the anti - torsion convex block 171 is opened on the outer side of the device housing 1; on the outer walls of the two T - shaped anti - detachment blocks 17, symmetrically arranged groove - type clamping rails 14 are respectively slidably clamped, and symmetrically arranged arc - shaped fixing rings 3 are respectively fixed at the ends of the two groove - type clamping rails 14 close to each other. The inner arc sides of the two arc - shaped fixing rings 3 face each other. When in use, a hoop can be formed by bolts to fix the device on a column - like object, and the distance between the two arc - shaped fixing rings 3 can be adjusted to adapt to objects of different diameters, reducing the limitation of the fixing position.

[0039] Refer to Figure 2 , Figures 4-5 , in the middle of the bottom of the two groove - type clamping rails 14, strip - shaped holes 13 are reserved, and the length direction of the strip - shaped holes 13 is the same as the length direction of the groove - type clamping rails 14; the tensioning bolts 11 pass through the strip - shaped holes 13 and are respectively fixed with self - locking nuts 12; by such a setting, the positions of the two arc - shaped fixing rings 3 with adjusted spans can be locked simultaneously.

[0040] Refer to Figures 4-6 , on the circumferential outer wall of one end of the sealing plug tube 18 close to the PC circuit board 15, an anti - detachment convex block 181 adapted to the anti - detachment embedding groove 107 is reserved; preventing the anti - detachment convex block 181 from falling off, playing a role in preventing water seepage at the rear side.

[0041] Working principle: When the external temperature is high and effective heat dissipation cannot be achieved during the use of this device, after one of the temperature sensors inside sends an alarm instruction, different magnetic poles are generated on the opposite sides of the two electromagnets 24. One generates a thrust force and the other generates a pulling force, so that the swing plate 19 can be swung to form a certain angle with the air outlet, the wind direction can be concentrated and guided to the side with higher temperature for targeted heat dissipation, and a circulation can be formed on the other side; when the temperatures on both sides are high, both electromagnets 24 are powered off to reduce energy consumption and heat generation; at this time, by setting magnets one 21 and magnets two 26 with repulsive effects on the opposite sides, that is, when the swing plate 19 returns to the middle position, it will form a reciprocating swing under the repulsive force of the two magnets, which is beneficial to the disturbance of the internal air flow; heat dissipation can be alternately carried out on both sides at the same time.

[0042] The device can be fixed on a columnar object by forming a hoop with bolts, and the distance between the two arc-shaped fixing rings 3 can be adjusted to adapt to objects of different diameters, reducing the limitation of the fixing position.

[0043] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes should be covered within the protection scope of the present invention.

Claims

1. An active antenna for communication that is easy to dissipate heat, comprising a device housing (1), a PC circuit board (15) is fixedly installed on the inner wall of the rear side of the device housing (1), a signal receiving module, a power supply module (20) and a signal amplification module (16) are respectively arranged on the surface of the PC circuit board (15), extension line jacks (2) electrically connected to the signal receiving module are arranged at both sides of the device housing (1) near the top end and in the middle of the lower surface of the device housing (1), and it is characterized in that, An installation hole (103) is opened near the middle on the side surface of the device housing (1), and a blowing mechanism is arranged in the installation hole (103); a front panel (4) is fixed at the opening of the front surface of the device housing (1), and an anti - detachment bearing (5) is embedded at the position of the horizontal center plane of the front panel (4) close to the installation hole (103). A rotating shaft rod (6) is inserted into the anti - detachment bearing (5). A swing plate (19) is sleeved on the circumferential outer wall of the rotating shaft rod (6), and the plane where the swing plate (19) is located is perpendicular to the front panel (4). Buffer springs (22) symmetric to each other with respect to the swing plate (19) are fixed on both sides of the swing plate (19), and permanent magnets are fixed at the ends of the two buffer springs (22) away from each other. Two electromagnets (24) and a temperature sensor (23) symmetric to each other with respect to the horizontal center plane of the installation hole (103) are arranged on one side of the front panel (4) close to the swing plate (19); A notch is reserved on the edge of the side of the swing plate (19) close to the front panel (4), and a cylindrical magnet one (21) is fixed in the notch; a magnet hole is opened on one side of the front panel (4) close to the swing plate (19), and the magnet hole is located in the middle of two fixing seats (25). A magnet two (26) that forms a repulsive force with the magnet one (21) is clamped in the magnet hole.

2. The active antenna for communication that is easy to dissipate heat according to claim 1, wherein Two symmetric fixing seats (25) are fixed on one side of the front panel (4) close to the inside of the device housing (1), and insertion holes for installing the electromagnets (24) are arranged on the fixing seats (25); a cantilever rod is reserved on the side of the fixing seat (25) away from the anti - detachment bearing (5). The cantilever rod is made of a metal rod material that can be bent into any shape, and the corresponding temperature sensor (23) is fixed at the end of the cantilever rod.

3. An active antenna for communication that is easy to dissipate heat according to claim 1, characterized in that, A fixing outer ring (104) with the same aperture as the installation hole (103) is reserved on the outer side surface of the device housing (1) close to the installation hole (103); the blowing mechanism includes a T - shaped motor frame (27) fixed on the inner wall of the installation hole (103), and a driving motor is clamped in the middle of the motor frame (27). The top of the output shaft of the driving motor is fixed with a fan impeller (28); there is a gap between the fan impeller (28) and the inner surface of the rotating clamping frame (9).

4. The active antenna for communication which is easy to dissipate heat according to claim 3, characterized in that, An annular groove (105) is opened on the circumferential outer wall of the fixing outer ring (104), and a plurality of ball grooves are opened on the circumferential inner wall of the rotating clamping frame (9), and balls (901) are embedded in the ball grooves. A plurality of parallel inclined air holes (8) are opened on the bottom of the groove of the rotating clamping frame (9), that is, on the side facing the fan impeller (28), and the height of the orifice of the same inclined air hole (8) close to the inner side of the device is higher than that of the outer side; a counterweight block (7) is fixed on the outer wall of the rotating clamping frame (9) at the low - outlet end of the inclined air hole (8).

5. An active antenna for communication that is easy to dissipate heat according to claim 1, characterized in that, Wear - resistant clamping rings (108) are embedded on both sides and the bottom of the device housing (1), and the size of the wear - resistant clamping rings (108) is adapted to the size of the extension line jack (2).

6. The active antenna for communication that is easy to dissipate heat according to claim 1, wherein The bottom of the device housing (1) is provided with a plurality of balance air holes, and the rear side of the device housing (1) is provided with a plurality of vertically extending rectangular holes (106) parallel to each other. A tapered rib (10) is fixed near each rectangular hole (106) on the outer wall of the rear side of the device housing (1), and the overall shape of the tapered rib (10) is a groove structure.

7. An active antenna for communication that is easy to dissipate heat according to claim 1, wherein Fixing studs (102) are reserved near the four corners on the inner wall of the bottom of the device housing (1), and the fixing studs (102) are all tubular structures; anti - detachment embedding grooves (107) penetrating through the center are opened at the ends of the two fixing studs (102) near the top. A sealing plug tube (18) is inserted into the fixing stud (102), a tensioning bolt (11) is inserted into the sealing plug tube (18), and a T - shaped anti - detachment block (17) is fixed at the end of the sealing plug tube (18) on the rear side of the device housing (1); an anti - torsion convex block (171) is reserved on one side of the T - shaped anti - detachment block (17) near the edge of the device housing (1), and a clamping groove opening adapted to the anti - torsion convex block (171) is opened on the outer side of the device housing (1); Symmetrically arranged groove - type card rails (14) are respectively slidably clamped on the outer walls of the two T - shaped anti - detachment blocks (17), and symmetrically arranged arc - shaped fixing rings (3) are respectively fixed at one ends of the two groove - type card rails (14) close to each other, and the inner arc sides of the two arc - shaped fixing rings (3) face each other.

8. The active antenna for communication that is easy to dissipate heat according to claim 7, characterized in that, Strip - shaped holes (13) are reserved in the middle of the bottom of each of the two groove - type card rails (14), and the length direction of the strip - shaped holes (13) is the same as the length direction of the groove - type card rails (14); Self - locking nuts (12) are fixed by the tensioning bolts (11) passing through the strip - shaped holes (13).

9. The active antenna for communication that is easy to dissipate heat according to claim 8, wherein An anti - detachment convex block (181) adapted to the anti - detachment embedding groove (107) is reserved on the circumferential outer wall of one end of the sealing plug tube (18) close to the PC circuit board (15).

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