CN219459067U - Optical fiber transmission device - Google Patents

Abstract

The utility model discloses an optical fiber transmission device, which belongs to the technical field of optical fiber communication equipment, wherein a power circuit is arranged on the inner side of a shell, the power circuit adopts a direct current/alternating current mixed power supply, and a radiator is arranged at the tail end of the shell and is used for discharging heat generated by a circuit board and power consumption. The front end of the shell is arranged on the port panel, the port panel is in signal connection with the control circuit and the photoelectric conversion circuit, and the conversion circuit is electrically connected with the power circuit, so that the video electric signal is converted into an optical signal, and information is transmitted through the single-mode optical fiber. The power supply circuit is electrically connected with the radiator, so as to supply power to the radiator; in a specific construction of the heat sink, the heat sink includes a compression shroud, a compression wheel and vanes. When the power supply is switched on, the motor drives the compression wheel to rotate, the blades extend out of the slots under the action of centrifugal force, and the end parts of the blades are abutted with the inner cavity of the compression cover and slide along the inner cavity. The problem of among the prior art because the spiral flabellum leads to the radiating effect not good is solved.

Description

Optical fiber transmission device

Technical Field

The utility model relates to the technical field of optical fiber communication equipment, in particular to an optical fiber transmission device.

Background

The optical transceiver is a terminal device for transmitting optical signals, and due to the improvement of technology, the reduction of the price of the optical fiber makes the optical transceiver well applied to various fields (mainly embodied in security monitoring), but the optical transceiver itself needs to receive and process a large amount of data, and meanwhile, in order to improve the transmission distance of light rays, the energy of light ray reflection needs to be improved, so that a large amount of heat is necessarily generated by the power consumption of the device in the period.

At present, the prior art is often cooled by additionally installing a cooling fan in a host, however, most of the cooling fans are of spiral blade structures, air flows in an axial flow mode, the efficiency is low, and the ventilation and heat dissipation effects are poor.

Disclosure of Invention

Therefore, the utility model provides an optical fiber transmission device to solve the problem of poor heat dissipation effect caused by the spiral fan blade in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model discloses an optical fiber transmission device, which comprises:

the shell is provided with a power circuit at the inner side and a radiator at the tail end;

the port panel is arranged at the front end of the shell and is in signal connection with the control circuit and the photoelectric conversion circuit, the conversion circuit is electrically connected with the power circuit, and the power circuit is electrically connected with the radiator;

the heat sink includes:

the side part of the compression cover is fixedly provided with a motor, and two sides of the compression cover are provided with openings;

the compression wheel is provided with a plurality of slots on the outer side and is eccentrically arranged in the inner cavity of the compression cover;

the blade is inserted in the slot in a sliding manner, when the power supply is connected, the motor drives the compression wheel to rotate, the blade stretches out of the slot under the action of centrifugal force, and the end part of the blade is abutted to the inner cavity of the compression cover and slides along the inner cavity.

Further, a flexible rubber sheet is arranged at the position where the blade is abutted against the inner cavity of the compression cover.

Further, the power supply circuit is an alternating current/direct current main/standby dual power supply circuit.

Further, the port panel comprises a call interface, a serial data interface, a video interface and an optical fiber interface, wherein the serial data interface is in signal connection with the control circuit, the call interface and the serial data interface are both connected with the input end of the photoelectric conversion circuit, and the output end of the photoelectric conversion circuit is connected with the optical fiber interface.

Further, a radiating fin or a radiating hole is arranged on the outer side of the shell.

Further, the serial data interface supports a camera control protocol.

Furthermore, the call interface adopts an analog line audio standard, supports four-wire call audio with data, and is compatible with clear-com and RTS/Telex call system standards.

The utility model has the following advantages:

according to the utility model, the motor drives the compression wheel to rotate, so that the blades continuously stretch and move in the slots in the rotation process of the compression wheel, and meanwhile, the end parts of the blades slide in the inner cavity of the compression cover, so that the volume between the blades is changed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

Fig. 1 is a schematic diagram of an internal structure of an optical fiber transmission device according to the present utility model;

FIG. 2 is a front view of an optical fiber transmission device according to the present utility model;

fig. 3 is a rear view of an optical fiber transmission device according to the present utility model

Fig. 4 is a perspective view of an optical fiber transmission device according to the present utility model

FIG. 5 is a perspective view of a heat sink provided by the present utility model;

FIG. 6 is a front view of a heat sink provided by the present utility model;

in the figure: 1, a shell; 2 a radiator; a 21 motor; 22 a compression shroud; 23 compression wheels; 24 blades; 25 slots; 3 a control circuit; 4 a power supply circuit; 5 an electrical conversion circuit; a 6-port panel; 61 a call interface; 62 serial data interface; 63 video interfaces; 64 fiber interfaces; 7 flexible rubber sheets.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4 together, the present utility model discloses an optical fiber transmission device, and a specific description thereof will now be given.

As shown in fig. 1, a power circuit 4 is disposed inside a casing 1, the power circuit 4 uses a mixed dc/ac power source, which can be connected to an ac voltage power source ranging from 100V to 240V or a dc power source ranging from 9V to 16.8V, the rated power is 30W (maximum), and a radiator 2 is disposed at the tail end of the casing 1 for discharging heat generated by circuit boards and power consumption. The front end of the casing 1 is arranged on the port panel 6, the port panel 6 is in signal connection with the control circuit 3 and the photoelectric conversion circuit 5, and the conversion circuit 5 is electrically connected with the power circuit 4, so that video electric signals are converted into optical signals, and information is transmitted through a single-mode fiber. The power supply circuit 4 is electrically connected with the heat sink 2, thereby supplying power to the heat sink 2; in the specific structure of the radiator, the radiator 2 includes a compression cover 22, a compression wheel 23 and blades 24. The lateral part of the compression cover 22 is fixedly provided with a motor 21, two sides are provided with openings, the outer side of the compression wheel 23 is provided with a plurality of slots 25, the slots 25 are eccentrically arranged in the inner cavity of the compression cover 22, and the blades 24 are slidably inserted in the slots 25. When the power supply is turned on, the motor 21 drives the compression wheel 23 to rotate, the blades 24 are subjected to centrifugal force to extend out of the slots 25, and the ends of the blades 24 are abutted with the inner cavity of the compression cover 22 and slide along the inner cavity.

Compared with the prior art, as shown in fig. 5, the air circulation is driven by the way of driving the spiral fan blade to rotate, the compression wheel 23 is eccentrically arranged in the device, the blades 24 can move in the slots 25, when the compression wheel 23 rotates, the blades 24 are acted by centrifugal force, extend outwards and are abutted with the cylindrical inner cavity of the shell 1, and therefore the air circulation is promoted by changing the volume, and the device has the advantages of good sealing performance and high air flow efficiency.

According to an embodiment of the present utility model, as shown in fig. 5 and 6, the flexible rubber sheet 7 is disposed at the position where the blade 24 abuts against the inner cavity of the compression cover 22, so that the blade 24 can be more tightly contacted with the casing 1, thereby improving the sealing effect of the radiator 2, enhancing the air flow effect, and reducing the abrasion to the casing 1.

According to a specific embodiment of the present utility model, the power supply circuit 4 is an ac/dc main/standby dual power supply circuit.

According to one embodiment of the present utility model, the port panel 6 includes a call interface 61, a serial data interface 62, a video interface 63, and an optical fiber interface 64, where the serial data interface 63 is signal-connected to the control circuit 3, the call interface 61 and the serial data interface 62 are both connected to an input terminal of the photoelectric conversion circuit 5, and an output terminal of the photoelectric conversion circuit 5 is connected to the optical fiber interface 64. The serial data interface 62 supports the RS-422 protocol and the call interface 61 supports four call tones with data using the analog tone standard.

According to an embodiment of the present utility model, as shown in fig. 6, a heat sink or a heat dissipation hole is provided on the outer side of the casing 1 to improve the heat dissipation effect.

According to an embodiment of the present utility model, the serial data interface 62 supports a camera control protocol, and the video interface 63 has equalization and time reproduction, which meet the requirements of the broadcast level.

According to one embodiment of the present utility model, the call interface 61 uses an analog line audio standard, supports four-wire call audio with data, and is compatible with clear-com and RTS/Telex call system standards.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (7)

1. An optical fiber transmission apparatus, comprising:

a power circuit (4) is arranged on the inner side of the shell (1), and a radiator (2) is arranged at the tail end of the shell;

a port panel (6) which is arranged at the front end of the shell (1) and is in signal connection with the control circuit (3) and the photoelectric conversion circuit (5), wherein the conversion circuit (5) is electrically connected with the power supply circuit (4), and the power supply circuit (4) is electrically connected with the radiator (2);

the heat sink (2) includes:

a compression cover (22), a motor (21) is fixedly arranged at the side part, and openings are arranged at the two sides;

the outer side of the compression wheel (23) is provided with a plurality of slots (25), and the compression wheel is eccentrically arranged in the inner cavity of the compression cover (22);

the blade (24) is inserted in the slot (25) in a sliding manner, when the power supply is switched on, the motor (21) drives the compression wheel (23) to rotate, the blade (24) stretches out of the slot (25) under the action of centrifugal force, and the end part of the blade (24) is abutted with the inner cavity of the compression cover (22) and slides along the inner cavity.

2. An optical fiber transmission device according to claim 1, characterized in that the blade (24) is provided with a flexible rubber sheet (7) at a position abutting against the inner cavity of the compression cover (22).

3. An optical fiber transmission device according to claim 1, characterized in that the power supply circuit (4) is an ac/dc main/standby dual power supply circuit.

4. An optical fiber transmission apparatus according to claim 1, wherein the port panel (6) comprises a call interface (61), a serial data interface (62), a video interface (63) and an optical fiber interface (64), the serial data interface (62) is in signal connection with the control circuit (3), the call interface (61) and the serial data interface (62) are both connected with an input end of the photoelectric conversion circuit (5), and an output end of the photoelectric conversion circuit (5) is connected with the optical fiber interface (64).

5. An optical fiber transmission device according to claim 1, characterized in that the outside of the housing (1) is provided with cooling fins or cooling holes.

6. A fibre optic transmission arrangement according to claim 4, characterised in that the serial data interface (62) supports a camera control protocol.

7. An optical fiber transmission apparatus according to claim 4, wherein the call interface (61) supports four-wire call audio with data using analog line audio standards, compatible with clear-com, RTS/Telex call system standards.