CN111432605A

CN111432605A - Heat dissipation equipment of 5G base station

Info

Publication number: CN111432605A
Application number: CN202010308334.0A
Authority: CN
Inventors: 何水远
Original assignee: Cangzhou Pengju Electronic Technology Co Ltd
Current assignee: Cangzhou Pengju Electronic Technology Co Ltd
Priority date: 2020-04-18
Filing date: 2020-04-18
Publication date: 2020-07-17

Abstract

The invention discloses a heat dissipation device of a 5G base station, which structurally comprises a heat dissipation sheet, a case, a connecting buckle, a cable, a power supply box, a radio frequency chip, a power supply module, a power supply interface, an antenna bottom plate and a fixed interface, wherein the heat dissipation sheet is arranged on the side surface of the case and communicated with the case, a fan runs to enable airflow to enter the side wall of a heat conduction layer through the heat dissipation sheet and take away heat through gas heat exchange, if the case is in a direct solar radiation state, the heat dissipation effect of air convection is poor, water cooling heat dissipation can be performed through a heat dissipation plate, water flow is scattered and thrown out into water mist in the rotation process of a vortex tooth and a capillary groove, the water mist is attached to a thread on a heat dissipation cylinder, evaporation and heat absorption are better performed, the heat dissipation effect of the heat dissipation plate under the direct solar radiation is strengthened, the.

Description

Heat dissipation equipment of 5G base station

Technical Field

The invention belongs to the field of 5G, and particularly relates to a heat dissipation device of a 5G base station.

Background

Along with the gradual arrival of the 5G era, more and more 5G base stations are built, the frequency of 5G signals is high, the signal attenuation speed is high, the radio frequency chip array is in an intensive trend due to the fact that an antenna and a radio frequency unit are integrated, a ceramic dielectric filter is used as a core element of equipment, the 5G base stations are generally built in mountains, the 5G equipment is cooled by laying a cooling module under an antenna base plate, and the cooling or air cooling mode is adopted for auxiliary cooling;

based on the findings of the inventor, the following defects mainly exist in the prior art, such as:

due to the requirement of the 5G base station radio frequency chip array densification, the gap of the antenna base plate is extremely small, and the antenna base plate is easily subjected to strong direct solar radiation in environments such as high mountains, so that the convection heat dissipation effect between the heat dissipation module and the equipment shell is reduced, the temperature of the antenna base plate is increased, more energy consumption is required for the radio frequency chip to work, and the signal transmission efficiency is influenced.

Therefore, a heat dissipation device for a 5G base station needs to be provided.

Disclosure of Invention

The problem that when the 5G base station is subjected to strong direct sunlight, the convection heat dissipation effect between the heat dissipation module and the equipment shell is reduced, the temperature of the antenna bottom plate is increased, more energy consumption is needed for the work of the radio frequency chip, and the signal transmission efficiency is affected is solved.

The invention relates to a purpose and an effect of a heat dissipation device of a 5G base station, which are achieved by the following specific technical means: the structure of the antenna comprises a radiating fin, a case, a connecting buckle, a cable, a power supply box, a radio frequency chip, a power module, a power interface, an antenna bottom plate and a fixed interface, wherein the radiating fin is arranged on the side surface of the case and communicated with the side surface of the case, the connecting buckle is welded with the back surface of the case, the cable is in power connection with the bottom of the case, the lower end of the power supply box is in power connection with the cable, the radio frequency chip is arranged at the front end of the antenna bottom plate, the power module is in embedded connection with the bottom of the case, the power interface is in perforation fit with the bottom of the case and is in power connection with the power module, the antenna bottom plate is in groove fit with the side surface of the case, the fixed interface is in interference fit with the power module, the antenna bottom plate is provided with a filter, a shielding device, the calibration assembly is installed with antenna bottom plate surface laminating, the shielding ware is equipped with fan, leads temperature layer, bolt, heating panel, the fan passes through bolt and leads temperature layer side bolted connection, heating panel and the inner wall interference fit of leading temperature layer, the fan is connected with power module circular telegram, lead temperature layer surface and calibration assembly surface laminating installation, the radio frequency chip is array distribution structure in the wave filter, the wave filter is ceramic material.

The heat dissipation plate is further improved by comprising fixing grooves, heat dissipation cylinders and side covers, wherein the fixing grooves are matched with the through holes of the heat dissipation plate, the heat dissipation cylinders are movably clamped with grooves in the side faces of the heat dissipation plate, the side covers are matched with the through holes of the heat dissipation cylinders and are attached to the side faces of the heat dissipation plate, the fixing grooves are symmetrically distributed along four corners of the heat dissipation plate, and the number of the heat dissipation cylinders is eight and forms an included angle with the side covers.

As a further improvement of the invention, the heat dissipation cylinder is provided with a roller, threads, a cavity and fan blades, the cambered surface of the roller is in interference fit with the tops of the fan blades, the threads are in clearance fit with the outer surface of the heat dissipation cylinder, the cavity is positioned inside the heat dissipation cylinder, the fan blades are in interference fit with the inner wall of the heat dissipation cylinder, the number of the fan blades is four, the fan blades are distributed annularly along the inner wall of the heat dissipation cylinder, and the threads are arranged on the surface of the heat dissipation cylinder in a rotating mode.

As a further improvement of the invention, the side cover is provided with a motor, a baffle plate, eight air through holes and eight air through holes, the motor is communicated with the baffle plate, the gasket is attached to the side surface of the baffle plate, the air through holes are connected with the through holes of the gasket, the baffle plate is in a structure with a narrow outer part and a wide inner part, a connecting port of the motor is in a sealing structure, the motor is electrically connected with the power supply module, and the fans are provided with two fans which are vertically distributed with the outer side of the temperature conducting layer.

As a further improvement of the invention, the baffle is provided with a turbine, a sealing ring, a screw and a gear, the turbine is hermetically connected with the side surface of the sealing ring through the screw, the sealing ring is in interference fit with the baffle, the gear is in interference fit with the screw, the output end of the motor is in transmission connection with the gear, the motor is in power connection with the power module, the screw penetrates through the central part of the turbine, and the gear and the sealing ring are vertically distributed.

As a further improvement of the invention, the turbine is provided with capillary grooves and vortex teeth, the capillary grooves are matched with the inner arc through holes of the vortex teeth, the vortex teeth are connected with the turbine in a nested manner, the vortex teeth are in a slope-shaped annular distribution structure on the surface of the turbine, and the capillary grooves are in a uniform arrangement structure on the inner arc of the vortex teeth.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

1. when the power supply box supplies power, the radio frequency chip enters a working state, generates heat and is guided to the temperature conducting layer in the shielding device along the direction of the antenna bottom plate, meanwhile, the fan operates, airflow enters the side wall of the temperature conducting layer through the radiating fins, the heat is taken away through gas heat exchange, if the chassis is in a direct solar radiation state, the convection heat dissipation effect of air is not good, water cooling heat dissipation can be carried out through the radiating plate, cooling water inside the radiating plate evaporates and absorbs the heat and transfers the heat to the upper end of the radiating plate, then the cooling water is liquefied and attached to the surface threads of the radiating cylinder to form circulation heat dissipation with air convection, at the moment, the fan generates airflow to enable the fan blades to drive the rolling shaft to rotate, the liquefaction and heat absorption of water mist on the surface of the radiating cylinder.

2. When the heat dissipation plate is cooled by water, the motor can drive the gear to rotate through the power supply module, the screw drives the turbine to stir water flow at the bottom of the heat dissipation plate, vortex teeth and capillary grooves on the turbine break up and throw the water flow out in the rotating process to form water mist, the water mist is attached to threads on the heat dissipation cylinder, vaporization and heat absorption are better performed, the heat dissipation effect of the heat dissipation plate under the strong direct sunlight is enhanced, the temperature of an antenna bottom plate is reduced more quickly, the work energy consumption of a radio frequency chip is reduced, and the signal transmission efficiency is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation apparatus of a 5G base station according to the present invention.

Fig. 2 is a schematic diagram of an internal structure of a heat dissipation apparatus of a 5G base station according to the present invention.

Fig. 3 is a schematic structural diagram of an antenna chassis according to the present invention.

Fig. 4 is a schematic structural diagram of a shielding device according to the present invention.

Fig. 5 is a schematic structural diagram of a heat dissipation plate according to the present invention.

Fig. 6 is a schematic structural diagram of a heat dissipating cylinder according to the present invention.

Fig. 7 is a schematic structural view of a side cover according to the present invention.

Fig. 8 is a schematic structural diagram of a baffle according to the present invention.

FIG. 9 is a schematic view of a turbine according to the present invention.

In the figure: the antenna comprises a radiating fin-1, a case-2, a connecting buckle-3, a cable-4, a power box-5, a radio frequency chip-6, a power module-7, a power interface-8, an antenna bottom plate-9, a fixed interface-10, a filter-91, a shield-92, a calibration component-93, a fan-92 a, a temperature conducting layer-92 b, a bolt-92 c, a radiating plate-92 d, a fixed groove-d 1, a radiating cylinder-d 2, a side cover-d 3, a roller-1 b, a thread-2 b, a cavity-3 b, a fan blade-4 b, a motor-v 1, a baffle-v 2, a gasket-v 3, an air through hole-v 4, a turbine-z 1, a sealing ring-z 2, a screw-z 3, a gear-z 4, a capillary groove-x 1, a power supply box-7, vortex-x 2.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example 1:

as shown in figures 1 to 6:

the invention provides a heat dissipation device of a 5G base station, which structurally comprises a heat dissipation sheet 1, a case 2, a connecting buckle 3, a cable 4, a power supply box 5, a radio frequency chip 6, a power supply module 7, a power supply interface 8, an antenna bottom plate 9 and a fixed interface 10, wherein the heat dissipation sheet 1 is arranged on the side surface of the case 2 and communicated with the side surface of the case, the connecting buckle 3 is welded with the back surface of the case 2, the cable 4 is in power connection with the bottom of the case 2, the lower end of the power supply box 5 is in power connection with the cable 4, the radio frequency chip 6 is arranged at the front end of the antenna bottom plate 9, the power supply module 7 is in embedded connection with the bottom of the case 2, the power supply interface 8 is in through hole matching with the bottom of the case 2 and is in power connection with the power supply module 7, the antenna bottom plate 9 is in groove, A shield 92, a calibration assembly 93, said filter 91 being nested in connection with the antenna chassis 9, the filter 91 surface is attached to the outer surface of the shield 92, the shield 92 is attached to the side of the calibration assembly 93, the calibration assembly 93 is attached to the surface of the antenna base plate 9, the shielding device 92 is provided with a fan 92a, a thermal conductive layer 92b, a bolt 92c and a heat dissipation plate 92d, the fan 92a is connected with the side surface of the heat conducting layer 92b through bolts 92c, the heat dissipation plate 92d is in interference fit with the inner wall of the heat conducting layer 92b, the fan 92a is electrically connected with the power supply module 7, the surface of the heat conducting layer 92b is attached to the outer surface of the calibration component 93, the RF chip 6 is distributed in the filter 91 in an array, the filter 91 is made of ceramic material, the convection of air by the fan 92a better transfers heat uniformly to the heat conductive layer 92 b.

Wherein, heating panel 92d is equipped with fixed slot d1, heat dissipation cylinder d2, side cap d3, fixed slot d1 and the perforation cooperation of heating panel 92d, heat dissipation cylinder d2 and the activity of heating panel 92d side recess block, side cap d3 and heat dissipation cylinder d2 perforation cooperation and with the installation of laminating of heating panel 92d side, fixed slot d1 is along heat dissipation plate 92d four corners symmetry arrangement, heat dissipation cylinder d2 quantity has eight and is the structure of 80 degrees contained angles with side cap d3 for the heat reduces under the water smoke slope on heat dissipation cylinder d2 surface flows faster.

Wherein, heat-dissipating cylinder d2 is equipped with roller bearing 1b, screw thread 2b, cavity 3b, flabellum 4b, roller bearing 1b cambered surface and flabellum 4b top interference fit, screw thread 2b and heat-dissipating cylinder d2 surface clearance fit, cavity 3b is located inside heat-dissipating cylinder d2, flabellum 4b and heat-dissipating cylinder d2 inner wall interference fit, flabellum 4b is equipped with four altogether and is annular distribution structure along heat-dissipating cylinder d2 inner wall, screw thread 2b is rotatory range structure on heat-dissipating cylinder d2 surface, and the air admission cavity 3b of convection current drives flabellum 4b and rotates for heat dissipation of heat-dissipating cylinder d2 gives off.

The specific use mode and function of the embodiment are as follows:

in the present invention, when the power box 5 is powered, the RF chip 6 enters into the working state, starts to generate heat, and is guided to the thermal conductive layer 92b in the shielding device 92 along the direction of the antenna base plate 9, meanwhile, the fan 92a operates to make the airflow enter the side wall of the temperature guiding layer 92b through the heat sink 1, and the heat is taken away through the air heat exchange, if the case 2 is in the direct solar radiation state, the air convection heat dissipation effect is not good, the heat dissipation plate 92d can perform water cooling heat dissipation, the cooling water inside the heat dissipation plate 92d evaporates and absorbs the heat and transfers the heat to the upper end of the heat dissipation plate 92d, then the liquid is attached to the screw thread 2b on the surface of the heat dissipation cylinder d2 to form annular heat dissipation by convection with air, at this time, the airflow generated by the fan 92a makes the fan blade 4b drive the roller 1b to rotate, so as to accelerate the liquefaction and heat absorption of the water mist on the surface of the heat dissipation cylinder d2, when the case 2 is subjected to strong direct sunlight, the antenna base plate 9 can be better radiated.

Example 2:

as shown in fig. 7 to 9:

the side cover d3 is provided with a motor v1, a baffle v2, a gasket v3 and an air through hole v4, the motor v1 is communicated with the baffle v2, the gasket v3 is attached to the side face of the baffle v2, the air through hole v4 is connected with the gasket v3 in a penetrating mode, the number of the air through holes v4 is eight, the baffle v2 is of a structure which is narrow at the outer part and wide at the inner part, and a connecting port of the motor v1 is of a sealing structure, so that the effect of leading in air and strengthening heat dissipation is facilitated.

The baffle plate v2 is provided with a turbine z1, a sealing ring z2, a screw z3 and a gear z4, the turbine z1 is hermetically connected with the side face of the sealing ring z2 through the screw z3, the sealing ring z2 is in interference fit with the baffle plate v2, the gear z4 is in interference fit with the screw z3, the output end of the motor v1 is in transmission connection with the gear z4, the motor is in power connection with a power module, the screw z3 penetrates through the central part of the turbine z1, and the gear z4 and the sealing ring z2 are vertically distributed, so that water flows and dissipates heat better.

The turbine z1 is provided with a capillary groove x1 and a turbine tooth x2, the capillary groove x1 is in perforation fit with an inner arc of the turbine tooth x2, the turbine tooth x2 is in nested connection with the turbine z1, the turbine tooth x2 is in an inclined 70-degree annular distribution structure on the surface of the turbine z1, and the capillary groove x1 is in a uniform arrangement structure on the inner arc of the turbine tooth x2, so that water is better hydrated into a mist state to absorb heat.

The specific use mode and function of the embodiment are as follows:

in the invention, when the heat dissipation plate 92d performs water-cooling heat dissipation, the motor v1 can drive the gear z4 to rotate through the power module 7, the screw z3 drives the turbine z1 to stir water flow at the bottom of the heat dissipation plate 92d, the turbine teeth x2 and the capillary groove x1 on the turbine z1 break away the water flow and throw the water flow out into water mist in the rotating process, so that the water mist is attached to the thread 2b on the heat dissipation cylinder d2, evaporation and heat absorption are better performed, the heat dissipation effect of the heat dissipation plate 92d under strong direct sunlight is strengthened, the temperature of the antenna base plate 9 is reduced more quickly, the work energy consumption of the radio frequency chip 6 is reduced, and the signal.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims

1. A heat dissipation device of a 5G base station structurally comprises a heat dissipation sheet (1), a case (2), a connecting buckle (3), a cable (4), a power supply box (5), a radio frequency chip (6), a power module (7), a power interface (8), an antenna bottom plate (9) and a fixed interface (10), wherein the heat dissipation sheet (1) is installed on the side face of the case (2) and communicated with the side face of the case, the connecting buckle (3) is welded with the back face of the case (2), the cable (4) is in power-on connection with the bottom of the case (2), the lower end of the power supply box (5) is in power-on connection with the cable (4), the radio frequency chip (6) is installed at the front end of the antenna bottom plate (9), the power module (7) is fixedly connected with the bottom of the case (2), the power interface (8) is matched with the bottom of the case (2) in a penetrating way and is in power-on connection with the power module (7, fixed interface (10) and power module (7) interference fit, its characterized in that:

the antenna base plate (9) is provided with a filter (91), a shielding device (92) and a calibration component (93), the filter (91) is connected with the antenna base plate (9) in a nested mode, the surface of the filter (91) is attached to the outer surface of the shielding device (92), the shielding device (92) is installed on the side face of the calibration component (93), and the calibration component (93) is attached to the surface of the antenna base plate (9);

the shielding device (92) is provided with a fan (92a), a heat conducting layer (92b), a bolt (92c) and a heat dissipation plate (92d), the fan (92a) is connected with the side face of the heat conducting layer (92b) through the bolt (92c), the heat dissipation plate (92d) is in interference fit with the inner wall of the heat conducting layer (92b), the fan (92a) is electrically connected with the power supply module (7), and the surface of the heat conducting layer (92b) is attached to the outer surface of the calibration component (93).

2. The heat dissipation apparatus of a 5G base station according to claim 1, wherein: heating panel (92d) are equipped with fixed slot (d1), heat dissipation cylinder (d2), side cap (d3), fixed slot (d1) and heating panel (92d) perforation cooperation, heat dissipation cylinder (d2) and heating panel (92d) side recess activity block, side cap (d3) and heat dissipation cylinder (d2) perforation cooperation and with heating panel (92d) side laminating installation.

3. The heat dissipation apparatus of claim 2, wherein: the heat dissipation cylinder (d2) is equipped with roller bearing (1b), screw thread (2b), cavity (3b), flabellum (4b), roller bearing (1b) cambered surface and flabellum (4b) top interference fit, screw thread (2b) and heat dissipation cylinder (d2) surface clearance fit, cavity (3b) are located inside heat dissipation cylinder (d2), flabellum (4b) and heat dissipation cylinder (d2) inner wall interference fit.

4. The heat dissipation apparatus of claim 2, wherein: the side cover (d3) is provided with a motor (v1), a baffle (v2), a gasket (v3) and an air through hole (v4), the motor (v1) is communicated with the baffle (v2), the gasket (v3) is attached to the side face of the baffle (v2), and the air through hole (v4) is connected with the gasket (v3) in a penetrating way.

5. The heat dissipation apparatus of claim 4, wherein: the baffle (v2) is provided with a turbine (z1), a sealing ring (z2), a screw (z3) and a gear (z4), the turbine (z1) is connected with the side face of the sealing ring (z2) in an airtight mode through the screw (z3), the sealing ring (z2) is in interference fit with the baffle (v2), the gear (z4) is in interference fit with the screw (z3), and the output end of the motor (v1) is in transmission connection with the gear (z 4).

6. The heat dissipation apparatus of claim 5, wherein: the turbine (z1) is provided with capillary grooves (x1) and turbine teeth (x2), the capillary grooves (x1) are in perforation fit with inner arcs of the turbine teeth (x2), and the turbine teeth (x2) are connected with the turbine (z1) in a nested mode.