CN110690545B - A MIMO Ceiling Antenna for Indoors - Google Patents

Abstract

The invention discloses a MIMO ceiling antenna for indoor use. The disc, the vibrator is equipped with a heat dissipation end, the vibrator and the cone are mechanically connected, and the interior is electrically interconnected. The reflector and the card support plate are an integrated structure, and the outer wall of the card support plate is installed with a cable cap and the chassis, and the three are coaxial. , the feeder is fixed by the wire cap, and is electrically connected with the vibrator and the conical disc. The air inlet is connected to the inside of the outer cover, and the hot air generated by the heat dissipation end is passed through the air inlet and the introduction pipe. The exhaust port leads out and diffuses around the wire cap, which not only realizes the heat dissipation inside the housing, but also uses the blown hot air to keep the feeder and the reflector at a certain distance, preventing the electrical performance from deteriorating and affecting coverage and interference.

Description

A MIMO Ceiling Antenna for Indoors

technical field

The present invention relates to the field of 5G communication wires, in particular, to a MIMO ceiling-mounted antenna for indoor use.

Background technique

Ceiling antenna is a kind of mobile communication system antenna, which is mainly used for indoor 5G signal coverage. Traditional indoor ceiling antennas use different low intermodulation connection cables, which are prone to line pressure during installation or handling, resulting in The connecting wire and the cone and the vibrator fall off or have poor contact, resulting in the deterioration of the electrical performance, affecting the coverage and interference.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention provides a kind of indoor application which can solve the situation that the wire is prone to be pressed during the installation or handling process, causing the connecting wire to fall off or poor contact with the cone and the vibrator, thereby causing the deterioration of electrical performance and affecting coverage and interference. MIMO ceiling antenna.

In order to achieve the above object, the present invention is achieved through the following technical solutions: a MIMO ceiling antenna for indoor use, the structure of which includes a feeder, a wire cap, a chassis, a reflector, an outer cover, a heat sink, a vibrator, a cone, Card support plate, the inside of the cover is equipped with a vibrator and a cone plate, the vibrator is matched with a heat dissipation end, the vibrator and the cone plate are mechanically connected, and the interior is electrically interconnected, and the reflector plate and the card support plate are integrated The outer wall of the card support plate is equipped with a wire cap and the chassis, and the three are coaxial, the feeder is fixed by the wire cap, and is electrically connected with the vibrator and the cone disc. The air port, the introduction pipe, the middle turntable, and the exhaust port, the air inlet is communicated with the inside of the outer cover, the air inlet is communicated with the inlet pipe, and is connected to the exhaust port through the middle turntable, and the wire cap is composed of a blower. There are four air pans and connecting tubes, and the air blowing pans are provided with four connecting tubes, and connecting tubes are connected between the two ends on the same side.

Beneficial effects of the present invention: the air inlet of the present invention leads to the inside of the outer cover, and the hot air generated by the heat dissipation end passes through the air inlet and the introduction pipe under the action of the air suction pump, and the hot air is drawn from the air outlet and diffused around the final wire cap , which not only realizes the internal heat dissipation of the outer cover, but also uses the blown hot air to keep the feeder and the reflector at a certain distance, so as to prevent the deterioration of the electrical performance caused by the pressure line and affect the coverage and interference;

The exhaust port is matched with the connecting port and the one-way nozzle, and the hot air is distributed in two loops in the connecting port, and the one-way nozzle is diffused in the air blowing plate, which effectively improves the hot air diffusion efficiency and blowing intensity;

The air blowing plate is equipped with four circumferentially distributed fittings around the wire cap, so that the blown gas can act on the connection of the feeder more comprehensively, and there will be no omission.

As a further improvement of the present invention, an air suction pump is installed inside the middle turntable, and the middle turntable is divided into two parts and matched with each exhaust port respectively.

As a further improvement of the present invention, a connecting port is installed at the connection between the exhaust port and the nozzle.

As a further improvement of the present invention, two of the connecting ports are symmetrical with respect to the wire cap.

As a further improvement of the present invention, the nozzles on the left and right sides of the connecting port are unidirectional openings.

As a further improvement of the present invention, the nozzle on the left side communicates with the blowing pan at the lower end, and the nozzle on the right side communicates with the blowing disk on the upper end.

As a further improvement of the present invention, the air blowing disc is provided with more than two capillary holes, which are distributed circumferentially around the outside of the wire cap.

Description of drawings

FIG. 1 is a schematic diagram of the appearance structure of an indoor MIMO ceiling antenna according to the present invention.

FIG. 2 is a schematic diagram of the internal structure of a housing of an indoor MIMO ceiling antenna according to the present invention.

FIG. 3 is a schematic structural diagram of a card support plate for an indoor MIMO ceiling antenna according to the present invention.

FIG. 4 is a schematic top-view structural diagram of a wire cap of an indoor MIMO ceiling antenna according to the present invention.

In the picture: feeder-1, wire cap-2, chassis-3, reflector-4, cover-5, cooling end-6, vibrator-7, cone-8, card support plate-9, air inlet-91 , Introduce pipe-92, middle turntable-93, exhaust port-94, blowing disk-2a, connecting port-2b, connecting port-3a.

Detailed ways

In order to make the technical means, creative features, goals and effects realized by the present invention easy to understand, FIG. 1 to FIG. 4 schematically show the structure of the MIMO ceiling antenna according to the embodiment of the present invention. this invention.

Example

As shown in FIG. 1-FIG. 4, the present invention provides a MIMO ceiling antenna for indoor use. Cone disc 8, card support plate 9, the inside of the cover 5 is equipped with a vibrator 7 and a cone disc 8, the vibrator 7 is matched with a heat dissipation end 6, the vibrator 7 and the cone disc 8 are mechanically connected, and the interior is electrical Intercommunication, the reflector 4 and the card support plate 9 are an integrated structure, the outer wall of the card support plate 9 is installed with a wire cap 2 and the chassis 3 and the three are coaxial, the feeder 1 is fixed by the wire cap 2, It is electrically connected with the vibrator 7 and the conical disk 8. The card support plate 9 includes an air inlet 91, an introduction pipe 92, a middle turntable 93, and an exhaust port 94. The air inlet 91 communicates with the interior of the outer cover 5. , the air inlet 91 is communicated with the introduction pipe 92, and is connected to the exhaust port 94 through the middle turntable 93. The wire cap 2 is composed of a blowing plate 2a and a connecting pipe 2b, and the blowing plate 2a is provided with four , and between the two ends on the same side there is a connecting pipe 2b, an air pump is installed inside the middle turntable 93, and the middle turntable 93 is divided into two parts to fit each exhaust port 94, the exhaust port 94 and the connecting pipe Connecting ports 3a are installed at the connection of 2b. Two connecting ports 3a are symmetrical with respect to the wire cap 2. The connecting pipes 2b on the left and right of the connecting ports 3a are unidirectional openings. The air blowing disc 2a communicates with each other, and the right pipe 2b communicates with the air blowing disc 2a at the upper end. The air blowing disc 2a is provided with more than two capillary holes, which are circumferentially distributed around the outer periphery of the wire cap 2 .

The working principle of the MIMO ceiling antenna in the above technical solution is described below:

The cover 5 is also called the antenna body, which mainly radiates the signal outward, and the feeder 1 is to introduce the signal from the mobile base station to the antenna. During the installation process, the reflector 4 is attached to the ceiling, and the wire cap 2 runs through the ceiling, so that the The feeder 1 is connected to the ceiling, and the air suction pump is carried out together with the installation, and the air is input from the outside to the air inlet 91 through the heat dissipation end 6 to promote the air circulation inside the outer cover 5, and the air is transmitted to the air inlet 91 through the introduction pipe 92 and the air inlet 91. The middle turntable 92 is finally output by the exhaust port 94, which is connected to the connecting port 3a, and the connecting port 3a is divided into two loops to transmit the gas from the one-way opening nozzle 2b to the blowing disk 2a, and the blowing air is distributed in a circle. The air blown out from the disc 2a acts on the circumference of the wire cap 2, so that the feeder 1 always maintains a certain distance from the connection point of the wire cap 2 under the action of the gas, and no wire pressure occurs.

In the description of the present invention, it should be understood that the terms "central", "lateral", "length", "width", "height", "upper", "lower", "front", "rear", The orientation or positional relationship indicated by "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention .

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

Claims (4)

1. An indoor MIMO ceiling antenna, the structure of which comprises a feeder (1), a wire cap (2), a chassis (3), a reflector (4), a cover (5), a heat dissipation end (6), a vibrator (7), the cone plate (8), the card support plate (9), it is characterized in that: A vibrator (7) and a conical disc (8) are installed inside the outer cover (5), the vibrator (7) is matched with a heat dissipation end (6), and the vibrator (7) and the conical disc (8) are mechanically connected The interior is electrically interconnected, the reflector (4) and the card support plate (9) are an integrated structure, and the outer wall of the card support plate (9) is provided with a cable cap (2) and a chassis (3) and three The feeder (1) is fixed by the wire cap (2), and is electrically connected with the vibrator (7) and the cone (8); The inside of the card support plate (9) includes an air inlet (91), an introduction pipe (92), a middle turntable (93), and an air outlet (94). The air inlet (91) is connected to the inside of the outer cover (5). The air inlet (91) is communicated with the inlet pipe (92), and is communicated with the exhaust port (94) through the intermediate turntable (93), and the wire cap (2) is composed of a blowing plate (2a) and an air outlet (94). There are four nozzles (2b), the blowing discs (2a) are provided with four nozzles (2b) running through between the two ends on the same side, an air suction pump is installed inside the middle turntable (93), and the middle turntable ( 93) Divided into two parts and matched to each exhaust port (94); A connecting port (3a) is installed at the connection between the exhaust port (94) and the connecting pipe (2b), the exhaust port (94) is connected with the connecting port (3a), and the connecting port (3a) is divided into two loops to separate the gas from the gas outlet. The one-way opening nozzle (2b) is transmitted to the air blowing disc (2a), and the air blowing disc (2a) distributed in the circumference blows out the air and acts on the circumference of the wire cap (2); Two of the connecting ports (3a) are symmetrical with respect to the wire cap (2). 2 . The MIMO ceiling antenna for indoor use according to claim 1 , wherein the nozzles ( 2 b ) facing to the left and right of the connecting port ( 3 a ) are unidirectional openings. 3 . 3. The indoor MIMO ceiling antenna according to claim 1, characterized in that: the nozzle on the left side (2b) communicates with the blowing plate (2a) at the lower end, and the nozzle on the right side (2b) 2b) communicate with the blowing plate (2a) at the upper end. 4. a kind of indoor MIMO ceiling-mounted antenna according to claim 1 and 2, is characterized in that: described air blowing plate (2a) is provided with more than two capillary holes, and is distributed in line cap (2a) in circumference. 2) Outside the surrounding.

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