CN214756364U

CN214756364U - Receiving and transmitting integrated PIN-TIA optical receiver

Info

Publication number: CN214756364U
Application number: CN202121114442.0U
Authority: CN
Inventors: 梅磊; 李鸣
Original assignee: Wuhan Guangchuangyuan Technology Co ltd
Current assignee: Wuhan Guangchuangyuan Technology Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-11-16
Anticipated expiration: 2031-05-24

Abstract

The utility model provides a receiving and transmitting integrated PIN-TIA optical receiver, which relates to the technical field of optical receivers and comprises an optical receiver main body, a control device and a wiring hole, wherein heat dissipation cavities are arranged on two sides of the optical receiver main body, limiting holes are symmetrically arranged on the front surface of the optical receiver main body corresponding to the heat dissipation cavities, a cleaning device is arranged between the heat dissipation cavities and the limiting holes, the cleaning device comprises a rotating shaft and a dust removal scraper blade, one end of the rotating shaft penetrates through the limiting holes and is positioned in the heat dissipation cavities, the end part of the rotating shaft is embedded into the back surface of the optical receiver main body, the central position of the dust removal scraper blade is fixed with the surface of the rotating shaft, a first heat dissipation groove is arranged on a uniform linear array on two sides of the optical receiver main body, the dust removal scraper blade is driven to move by the rotating shaft of the cleaning device, impurities such as dust and the like entering the heat dissipation cavities during ventilation and heat dissipation are scraped, so that the dust is cleaned more thoroughly, the light receiver is convenient to better radiate and remove dust, the dust removal efficiency is improved, and the internal components are prevented from being polluted and damaged by dust.

Description

Receiving and transmitting integrated PIN-TIA optical receiver

Technical Field

The utility model relates to an optical receiver technical field especially relates to a receiving and dispatching integrative PIN-TIA optical receiver.

Background

In the present society, optical communication technology is widely used in the communication field, and in the optical fiber communication technology, an optical receiver is an important device, and in the prior art, a common optical receiver includes: PIN-TIA optical receiver and APD-TIA optical receiver, PIN-TIA optical receiver is used for converting weak optical signal into electrical signal and carrying on certain intensity low noise amplification detection device in the optical communication system, its theory of operation is: when the photosensitive surface of the PIN is irradiated by detection light, the p-n junction is in reverse bias, and a photo-generated carrier drifts under the action of an electric field to generate photocurrent in an external circuit; the photocurrent is amplified and output by the trans-impedance amplifier, so that the function of converting the optical signal into the electrical signal and further primarily amplifying the electrical signal is realized.

The existing light receiver needs to dissipate heat when generating heat during use, and the heat dissipation channel can easily enter dust and other impurities while dissipating heat, so that the heat dissipation channel can not be cleaned, the heat dissipation channel is blocked, the heat dissipation efficiency of the light receiver is reduced, the dust removal effect is not good, and the stable operation of the light receiver is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a receiving and transmitting integrated PIN-TIA optical receiver.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a receiving and dispatching integrative PIN-TIA optical receiver, includes the optical receiver main part, controlling means and wiring hole, the heat dissipation chamber has been seted up to optical receiver main part both sides, the optical receiver main part openly corresponds the position symmetry with the heat dissipation chamber and has seted up spacing hole, be equipped with cleaning device between heat dissipation chamber and the spacing hole, cleaning device includes rotation axis and dust removal scraper blade, rotation axis one end runs through spacing hole and is located heat dissipation intracavity portion, and rotation axis tip embedding optical receiver main part back, dust removal scraper blade central point puts and rotation axis fixed surface, first radiating groove has been seted up to the even linear array in optical receiver main part both sides.

Preferably, dust removal grooves are formed in the two side faces of the optical receiver main body, close to the edge of the bottom, and are perpendicular to the first heat dissipation grooves, second heat dissipation grooves are formed in the heat dissipation cavity and the inner wall surface opposite to the side face of the optical receiver main body in a uniform linear array mode, and flexible scraping plates are fixedly arranged on the bottom face of each dust removal scraping plate.

Preferably, the positive linear array of light receiver main part is equipped with the wiring hole, the fixed frame that is equipped with in the positive edge in wiring hole, and fixed frame inner wall offsets with wiring hole outside edge, fixed frame surface array is fixed and is equipped with the dust excluder, fixed frame and wiring hole position one-to-one.

Preferably, the control device is fixedly arranged at the central position inside the optical receiver main body, a cross heat dissipation groove is formed in the central position of the top surface of the optical receiver main body, and the top end of the second heat dissipation groove penetrates through the side surface of the cross heat dissipation groove.

Preferably, the height of the flexible scraper is the same as that of the dust removal groove, the bottom surface of the flexible scraper is abutted to the bottom surface of the heat dissipation cavity, the two ends of the dust removal scraper are placed along the diagonal line of the heat dissipation cavity, and the flexible scraper on the bottom surface of one end of the dust removal scraper is abutted to the diagonal line of the heat dissipation cavity.

Preferably, the dust-proof strip is formed by injection molding of a rubber material, and burrs on the edge of the dust-proof strip are smoothly processed.

Preferably, the dust removal scraper blade is formed by cutting an ABS plate, the flexible scraper blade is formed by cutting a PVC transparent soft plate, and the edges of the dust removal scraper blade and the flexible scraper blade are both subjected to round angle smoothing treatment.

Advantageous effects

The utility model discloses in, the rotation axis that adopts light receiver main part both sides to pass through cleaning device drives the activity of dust removal scraper blade, and debris such as the dust that get into when ventilating and radiating to heat dissipation intracavity portion contact and scrape and get, make the dust clearance more thorough, the better heat dissipation of the light receiver of being convenient for and dust removal improve dust collection efficiency, prevent that the internals from being damaged by dust pollution.

Drawings

Fig. 1 is a schematic perspective view of a PIN-TIA optical receiver integrated with transceiver;

FIG. 2 is a front cross-sectional view of a Transmit-receive integrated PIN-TIA optical receiver;

FIG. 3 is a top cross-sectional view of a transceiver integrated PIN-TIA optical receiver;

fig. 4 is a front view of a transmit-receive integrated PIN-TIA optical receiver.

Illustration of the drawings:

1. a light receiver body; 2. a heat dissipation cavity; 3. a first heat sink; 4. a second heat sink; 5. a dust removal groove; 6. a limiting hole; 7. a cleaning device; 701. a rotating shaft; 702. a dust removal scraper; 703. a flexible scraper; 8. a wiring hole; 9. a fixing frame; 10. a dust-proof strip; 11. a cross heat sink; 12. and a control device.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, a receiving and transmitting integrated PIN-TIA optical receiver comprises an optical receiver main body 1, a control device 12 and a wiring hole 8, wherein heat dissipation cavities 2 are formed in two sides of the optical receiver main body 1, limiting holes 6 are symmetrically formed in the front surface of the optical receiver main body 1 corresponding to the heat dissipation cavities 2, a cleaning device 7 is arranged between the heat dissipation cavities 2 and the limiting holes 6, the cleaning device 7 comprises a rotating shaft 701 and a dust removal scraper 702, one end of the rotating shaft 701 penetrates through the limiting holes 6 and is positioned in the heat dissipation cavities 2, the end part of the rotating shaft 701 is embedded in the back surface of the optical receiver main body 1, the center position of the dust removal scraper 702 is fixed with the surface of the rotating shaft 701, first heat dissipation grooves 3 are formed in uniform linear arrays in two sides of the optical receiver main body 1, the dust removal scraper 702 is driven to move by the rotating shaft 701 of the cleaning device 7 in two sides of the optical receiver main body 1, and impurities such as dust and the like entering the heat dissipation cavities 2 during ventilation and heat dissipation are scraped, the dust cleaning is more thorough, the better heat dissipation and dust removal of the optical receiver are facilitated, the dust removal efficiency is improved, and the internal components are prevented from being damaged by dust pollution.

The dust removing groove 5 is arranged on the two side surfaces of the light receiver main body 1 near the bottom edge, the dust removing groove 5 is vertical to the first heat radiating groove 3, the inner wall surface of the heat radiating cavity 2 opposite to the side surface of the light receiver main body 1 is uniformly and linearly arrayed with the second heat radiating groove 4, the bottom surface of the dust removing scraper 702 is fixedly provided with a flexible scraper 703, the height of the flexible scraper 703 is the same as that of the dust removing groove 5, the bottom surface of the flexible scraper 703 is abutted against the bottom surface of the heat radiating cavity 2, the two ends of the dust removing scraper 702 are arranged along the diagonal line of the heat radiating cavity 2, the flexible scraper 703 on the bottom surface of one end of the dust removing scraper 702 is abutted against the diagonal line of the heat radiating cavity 2, under the conventional state, the dust removing scraper 702 of the cleaning device 7 is obliquely arranged with the flexible scraper 703 and the heat radiating cavity 2, the flexible scraper 703 is abutted against the included angle between the inside of the heat radiating cavity 2 and the side surface, and the end of the dust removing scraper 702 far away from the flexible scraper 703 is abutted against the department where the first heat radiating groove 3, the end of the flexible scraper 703 is located at the top of the first heat sink 3, and the length of the dust-removing scraper 702 is longer than the length of the array of the first heat sink 3, and the two ends of the dust-removing scraper 702 are not abutted against the inner wall surface of the heat sink 2, so that the air in the light receiver main body 1 enters the heat sink 2 through the second heat sink 4, is buffered through the space at the top of the dust-removing scraper 702 in the heat sink 2, then flows into the other side of the dust-removing scraper 702 through the space at the two ends of the dust-removing scraper 702, flows out through the first heat sink 3, exchanges with the outside air, and simultaneously the outside air passes through the first heat sink 3 and the heat sink 2, and the second heat sink 4 enters the light receiver main body 1, exchanges gas, and the outside dust enters the heat sink 2 through the first heat sink 3 due to the air entering, and the dust and other impurities are isolated inside the space between the dust-removing scraper 702 and the first heat sink 3 due to the isolation of the dust-removing scraper 702, arrange light receiver main part 1 one end in through regularly controlling rotation axis 701, through rotatory rotation axis 701, make rotation axis 701 drive dust removal scraper blade 702 and flexible scraper blade 703 carry out heat dissipation chamber 2 inside rotation, make flexible scraper blade 703 and the 2 bottom surfaces in heat dissipation chamber continuous contact, through rotatory, flexible scraper blade 703 takes place the radian and buckles, promote the inside dust in heat dissipation chamber 2 and remove to 3 directions in first radiating groove, through the rebound effect of flexible scraper blade 703 rotation angle, pop out debris such as dust through dust removal groove 5, carry out the dust clearance of light receiver main part 1.

The front linear array of the optical receiver main body 1 is provided with wiring holes 8, the front edge of the wiring hole 8 is fixedly provided with a fixed frame 9, the inner wall of the fixed frame 9 is abutted against the outer edge of the wiring hole 8, the surface array of the fixed frame 9 is fixedly provided with a dustproof strip 10, the positions of the fixed frame 9 and the wiring hole 8 are in one-to-one correspondence, the wiring hole 8 is used for transmitting signals through line access, the insertion connection of the wiring hole 8 is carried out by pulling a circuit port open the dustproof strip 10, the wiring hole 8 is protected by the dustproof strip 10 when not in use, the port of the wiring hole 8 is prevented from being exposed in the outside air for a long time, the surface connecting sheet of the wiring hole 8 is prevented from being damaged by dust and the like, thereby the transmission induction efficiency of the wiring hole 8 is reduced when the line is accessed, the wiring hole 8 is protected, the central position inside the optical receiver main body 1 is fixedly provided with a control device 12, the central position of the top surface of the optical receiver main body 1 is provided with a cross-shaped radiating groove 11, the top end of the second heat dissipation groove 4 penetrates through the side surface of the cross heat dissipation groove 11, the heat inside the optical receiver main body 1 can be dissipated more completely through the horizontal and vertical circulation of the second heat dissipation groove 4, the heat dissipation of the optical receiver main body 1 can be achieved through the heat dissipation in the vertical direction, air can be directly dissipated through the cross heat dissipation groove 11, as only the end part of the second heat dissipation groove 4 penetrates through the side surface of the cross heat dissipation groove 11, the penetration area is small, only auxiliary heat dissipation is achieved, the maintenance of a heat dissipation channel is convenient when the optical receiver main body 1 is placed in a cabinet in batch, the top surface of the optical receiver is abutted against the surface of the cabinet when the optical receiver main body 1 is placed in batch, heat dissipation can be achieved through a cavity formed by the cross heat dissipation groove 11, the dust-proof strip 10 is formed by injection molding of rubber materials, burrs on the edge of the dust-proof strip 10 are subjected to uniform smooth processing, the dust-removing scraper 702 is formed by cutting of an ABS plate, and the flexible scraper 703 is formed by cutting a PVC transparent soft plate, the edges of the dust removing scraper 702 and the flexible scraper 703 are both processed with round corners and smooth, so that the dust removing scraper 702 and the flexible scraper 703 of the cleaning device 7 are prevented from scratching the surface of the optical receiver main body 1 during cleaning and dust removal, and the optical receiver main body 1 is protected.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A receiving and dispatching integrated PIN-TIA optical receiver comprises an optical receiver body (1), a control device (12) and a wiring hole (8), and is characterized in that: the light receiver comprises a light receiver body (1) and is characterized in that a heat dissipation cavity (2) is formed in two sides of the light receiver body (1), a limiting hole (6) is formed in the front face of the light receiver body (1) and corresponds to the heat dissipation cavity (2) in position symmetry, a cleaning device (7) is arranged between the heat dissipation cavity (2) and the limiting hole (6), the cleaning device (7) comprises a rotating shaft (701) and a dust removal scraper blade (702), one end of the rotating shaft (701) penetrates through the limiting hole (6) to be located in the heat dissipation cavity (2), the end of the rotating shaft (701) is embedded into the back face of the light receiver body (1), the center of the dust removal scraper blade (702) is fixed to the surface of the rotating shaft (701), and a heat dissipation groove (3) is formed in the uniform linear arrays on two sides of the light receiver body (1).

2. A transceiver-integrated PIN-TIA optical receiver as claimed in claim 1, wherein: the dust removal device is characterized in that dust removal grooves (5) are formed in the two side faces of the optical receiver main body (1) close to the edge of the bottom, the dust removal grooves (5) are perpendicular to the first heat dissipation grooves (3), the heat dissipation cavities (2) and the inner wall surface opposite to the side faces of the optical receiver main body (1) are uniformly and linearly arrayed, second heat dissipation grooves (4) are formed in the inner wall surface, and flexible scraping plates (703) are fixedly arranged on the bottom faces of the dust removal scraping plates (702).

3. A transceiver-integrated PIN-TIA optical receiver as claimed in claim 1, wherein: light receiver main part (1) openly linear array is equipped with wiring hole (8), wiring hole (8) openly edge is fixed to be equipped with fixed frame (9), and fixed frame (9) inner wall offsets with wiring hole (8) outside edge, fixed frame (9) fixed surface array is equipped with dust excluder (10), fixed frame (9) and wiring hole (8) position one-to-one.

4. A transceiver-integrated PIN-TIA optical receiver as claimed in claim 2, wherein: the light receiver is characterized in that a control device (12) is fixedly arranged at the center inside the light receiver body (1), a cross-shaped heat dissipation groove (11) is formed in the center of the top surface of the light receiver body (1), and the top end of the second heat dissipation groove (4) penetrates through the side surface of the cross-shaped heat dissipation groove (11).

5. A transceiver-integrated PIN-TIA optical receiver as claimed in claim 2, wherein: the height of the flexible scraper (703) is the same as that of the dust removal groove (5), the bottom surface of the flexible scraper (703) is abutted against the inner bottom surface of the heat dissipation cavity (2), the two ends of the dust removal scraper (702) are placed along the inner diagonal of the heat dissipation cavity (2), and the flexible scraper (703) on the bottom surface of one end of the dust removal scraper (702) is abutted against the diagonal of the heat dissipation cavity (2).

6. A transceiver-integrated PIN-TIA optical receiver as claimed in claim 3, wherein: the dustproof strip (10) is made of rubber materials and is formed in an injection mode, and burrs on the edge of the dustproof strip (10) are smoothly processed.

7. A transceiver-integrated PIN-TIA optical receiver as claimed in claim 2, wherein: the dust removal scraper blade (702) is formed by cutting an ABS plate, the flexible scraper blade (703) is formed by cutting a PVC transparent soft plate, and the edges of the dust removal scraper blade (702) and the flexible scraper blade (703) are both subjected to round angle smoothing treatment.