CN210092337U

CN210092337U - Omnidirectional television receiving frequency band oscillator

Info

Publication number: CN210092337U
Application number: CN201921263265.5U
Authority: CN
Inventors: 李丹; 常雷; 林建国; 姜槐
Original assignee: ZHEJIANG LONGYOU GONGREN ELECTRONICS Co Ltd
Current assignee: ZHEJIANG LONGYOU GONGREN ELECTRONICS Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-02-18
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a frequency channel oscillator is received to qxcomm technology TV belongs to antenna technical field, enlarge the oscillator including last oscillator, lower oscillator, UHF frequency channel, go up the oscillator and install with lower oscillator coincide, oscillator bottom is located down to UHF frequency channel amplifier, the oscillator is "swastika" shape down, it is "swastika" shape to go up the oscillator. The advantages are that: simple structure, low price, and can receive more TV programs without adjusting the antenna direction compared with the traditional single oscillator.

Description

Omnidirectional television receiving frequency band oscillator

Technical Field

The utility model relates to a TV receiving frequency channel oscillator especially relates to an omnidirectional TV receiving frequency channel oscillator.

Background

The traditional one-way antenna has the characteristic of few television programs with a single direction, and if other programs are needed to be watched, the angle of the antenna is required to be rotated to point to a certain direction for watching. The local oscillator has the performance advantage that television program signals in all directions can be received without adjusting the directions, and a user can conveniently watch all television programs at one time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a frequency channel oscillator is received to qxcomm technology TV need not the adjustment direction and can receive the TV program signal of all directions, and convenience of customers once only watches all TV programs.

The technical scheme of the utility model as follows:

an omnidirectional television receiving frequency band vibrator comprises an upper vibrator, a lower vibrator and a UHF frequency band amplifying vibrator, wherein the upper vibrator and the lower vibrator are arranged in an overlapped mode, the UHF frequency band amplifier is arranged at the bottom of the lower vibrator, the lower vibrator is swastika-shaped, and the upper vibrator is swastika-shaped. UHF means Ultra High Frequency, which means a radio wave with a Frequency of 300-3000 MHz and a wavelength of 1 m-1 dm, and the radio wave in this band is also called decimetric wave. Radio waves in this frequency band are commonly used in the field of broadcast television, and in China broadcast television uses 470 to 806MHz in this frequency band.

Preferably, the vibrator also comprises director vibrators, wherein the director vibrators are four arc-shaped tinplate director elements with the outer diameter phi 247mm, are sequentially distributed around the lower vibrator and are positioned on the same plane with the lower vibrator.

Preferably, a spongy cushion is further arranged between the upper vibrator and the lower vibrator, and two sides of the spongy cushion can be pasted, so that the upper vibrator and the lower vibrator are pasted.

Preferably, the spongy cushion is a pair of concave symmetrical spongy cushions, and the thickness of the spongy cushion is 10 mm.

Preferably, an included angle is formed between the center line of the spongy cushion and the central axis of the swastika-shaped lower vibrator, and the included angle is 29 degrees.

Preferably, the spongy cushion and the upper vibrator are provided with four screw holes, and the spongy cushion and the hole core of the screw hole of the upper vibrator are correspondingly arranged and fixed through screws.

Preferably, the UHF frequency band amplifier is a 470-862UHF frequency band gain 2-stage 25dB amplifying circuit board, the UHF frequency band amplifier is vertically aligned with a cantilever on the central axis of the swastika-shaped lower vibrator and is installed at the bottom of the lower vibrator, a coaxial line inner conductor of the UHF frequency band amplifier is connected with the center of the upper vibrator through a wire, and a coaxial line outer conductor of the UHF frequency band amplifier is connected with the center of the lower vibrator through a wire.

The utility model has the advantages that: the antenna adopts the omnidirectional UHF frequency band television receiving oscillator, can be used indoors and outdoors, can receive television signals from all directions in an omnidirectional manner, does not look at the strength of the television signals at all angles, always keeps high definition of television pictures, brings great convenience to users, and enables the users to enjoy unprecedented visual feasts.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of another aspect of the present invention;

fig. 3 and 4 are schematic views of the assembly steps of the present invention;

FIG. 5 is a schematic diagram of the upper vibrator structure;

FIG. 6 is a schematic view of the installation of the present invention;

fig. 7 is a schematic structural view of the present invention used indoors;

FIG. 8 is a schematic view of the outdoor structure of the present invention;

fig. 9 is a schematic view of the present invention;

1. a director oscillator; 2. a lower vibrator; 3. a sponge cushion; 4. an upper vibrator; 5. a screw hole; 6. UHF frequency band amplifying vibrator; 7. a housing; 7.1, a shell chassis.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1 and 2, the omnidirectional television receiving frequency band oscillator comprises an upper oscillator 4, a lower oscillator 2, a UHF frequency band amplifying oscillator 6 and a director oscillator 1, wherein the upper oscillator 4 and the lower oscillator 2 are mounted in an overlapping manner, the UHF frequency band amplifier 6 is arranged at the bottom of the lower oscillator 2, the lower oscillator 2 is swastika-shaped, and as shown in fig. 5, the upper oscillator 4 is swaka-shaped. The director vibrators 1 are four arc tinplate director elements with the outer diameter phi 247mm, are sequentially distributed around the lower vibrators 2 and are positioned on the same plane with the lower vibrators 2. The upper vibrator 4 and the lower vibrator 2 are further provided with a spongy cushion 3, and the two sides of the spongy cushion 3 can be pasted, so that the upper vibrator 4 is pasted with the lower vibrator 2. The spongy cushion 3 is a pair of concave symmetrical spongy cushions 3, and the thickness of the spongy cushion is 10 mm. As shown in fig. 4, an included angle is formed between the center line of the spongy cushion 3 and the central axis of the swastika-shaped lower vibrator 2, and the included angle is 29 degrees. The spongy cushion 3 and the upper vibrator 4 are provided with four screw holes 5, and the spongy cushion 3 and the hole core of the screw hole 5 of the upper vibrator 4 are correspondingly arranged and fixed through screws. The UHF frequency band amplifier 6 is a circuit board with 470-862UHF frequency band gain 2-stage amplification of 25dB, the UHF frequency band amplifier 6 is vertically aligned with a cantilever on the central axis of the swastika-shaped lower oscillator 2 and is arranged at the bottom of the lower oscillator 2, a coaxial line inner conductor of the UHF frequency band amplifier 6 is connected with the center of the upper oscillator 4 through a lead, and a coaxial line outer conductor of the UHF frequency band amplifier 6 is connected with the center of the lower oscillator 2 through a lead.

As shown in fig. 3, the director vibrator 1 and the lower vibrator 2 are provided with screw holes 5.

As shown in fig. 3 and 4, a sponge pad 3 is added on the upper side of the lower vibrator 2, then, an UHF-band amplifier 6 is installed on the bottom of the lower vibrator 2, and then as shown in fig. 6, the lower vibrator 2 and the director vibrator 1 are installed on a shell chassis 7.1 and fixed through screws. Will go up oscillator 4 laminating on foam-rubber cushion 3 to through the screw hole 5 that corresponds on oscillator 4 and the foam-rubber cushion 3 that makes progress with last oscillator 4 and foam-rubber cushion 3 relatively fixed. The coaxial inner conductor of the UHF frequency band amplifier 6 is connected with the center of the upper vibrator 4 through a lead, and the coaxial outer conductor of the UHF frequency band amplifier 6 is connected with the center of the lower vibrator 2 through a lead.

Fig. 7 is the installation schematic diagram of the utility model discloses indoor use, from the UHF frequency band amplifier 6 draw forth output signal be connected to the TV can, fig. 8 is the utility model discloses at the installation schematic diagram of outdoor use, need install shell 7 on antenna boom.

As shown in fig. 9, the four metal cantilevers of the upper transducer 4 receive electromagnetic wave signals from the north, south, east, and four directions of the ABCD, and the four metal cantilevers of the lower transducer 2 receive electromagnetic wave signals from the north, south, west, and east, and four directions of the EFGH. The upper vibrator 4 and the lower vibrator 2 are connected by a 10mm spongy cushion 3 to play the roles of insulation, separation and structure fixing and supporting. The four-section arc director oscillator 1 at the outermost side is divided into J, K, L, M four sections, the arc oscillator 1 keeps a distance with the upper oscillator 4 and the lower oscillator 2 to guide and enhance electromagnetic waves from four directions of south, east, west and north, and signals are output to a television through the welding of the coaxial inner and outer conductors with the centers of the upper oscillator 4 and the lower oscillator 2 and the other end of the coaxial inner and outer conductors and the F head of the UHF frequency band amplifier. Compare traditional one-way oscillator, the utility model discloses an annular director oscillator 1, go up oscillator 4 and oscillator 2 down have realized need not adjusting the advantage that the antenna direction can receive more TV programs, and simple structure, low price.

Claims

1. An omnidirectional television receiving frequency band oscillator is characterized in that: the UHF frequency band amplifier is arranged at the bottom of the lower oscillator, the lower oscillator is swastika-shaped, and the upper oscillator is swastika-shaped.

2. The omnidirectional television receive band dipole of claim 1, wherein: the vibrator comprises a lower vibrator and a plurality of circular arc tinplate guider elements, wherein the circular arc tinplate guider elements are arranged on the periphery of the lower vibrator in sequence, and the circular arc tinplate guider elements are in the same plane with the lower vibrator.

3. The omnidirectional television receive band dipole of claim 1, wherein: and a spongy cushion is further arranged between the upper vibrator and the lower vibrator, and the two sides of the spongy cushion can be pasted so that the upper vibrator and the lower vibrator are pasted.

4. A transducer for an omnidirectional television receive band as defined in claim 3, wherein: the spongy cushions are a pair of concave symmetrical spongy cushions, and the thickness of the spongy cushions is 10 mm.

5. An omnidirectional television receiving band dipole according to claim 3 or 4, wherein: an included angle is formed between the center line of the spongy cushion and the central axis of the swastika-shaped lower vibrator, and the included angle is 29 degrees.

6. A transducer for an omnidirectional television receive band as defined in claim 3, wherein: the spongy cushion and the upper vibrator are provided with four screw holes, and the spongy cushion and the hole core of the screw hole of the upper vibrator are correspondingly arranged and fixed through screws.

7. The omnidirectional television receive band dipole of claim 1, wherein: the UHF frequency band amplifier is a circuit board with 470-862UHF frequency band gain 2-stage amplification of 25dB, the UHF frequency band amplifier is vertically aligned with a cantilever on the central axis of the swastika-shaped lower oscillator and is arranged at the bottom of the lower oscillator, a coaxial line inner conductor of the UHF frequency band amplifier is connected with the center of the upper oscillator through a lead, and a coaxial line outer conductor of the UHF frequency band amplifier is connected with the center of the lower oscillator through a lead.