CN215896424U

CN215896424U - Micro optical fiber coupling packaged photodiode

Info

Publication number: CN215896424U
Application number: CN202121992075.4U
Authority: CN
Inventors: 黄海; 张岩; 宋凯; 崔瑞民
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-22
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a micro optical fiber coupling packaged photodiode, which comprises a shell, wherein an electronic element is fixedly connected at the center of the interior of the shell, the top and bottom ends of the shell are respectively and fixedly connected with a second binding post and a first binding post in the middle, an external thread sleeve is respectively sleeved on the second binding post and the first binding post, a fixed disc is connected outside the external thread sleeve, mounting grooves are respectively arranged on the left side and the right side of the fixed disc, sliding columns are slidably connected in the mounting grooves, and arc-shaped contact plates are fixedly connected at the outer ends of the sliding columns. The utility model aims to provide a micro optical fiber coupling packaged photodiode which is good in protection effect, quick in heat dissipation and long in service life.

Description

Micro optical fiber coupling packaged photodiode

Technical Field

The utility model relates to the technical field of photodiodes, in particular to a micro optical fiber coupling packaged photodiode.

Background

The photodiode is a semiconductor device composed of a PN junction and has a unidirectional conductive characteristic. The photodiode is operated under the action of reverse voltage, and under the irradiation of light with general illumination, the generated current is called photocurrent. If a load is connected to the external circuit, an electrical signal is obtained from the load, and the electrical signal changes in response to the change in light.

The conventional photodiode is poor in heat dissipation effect, after the conventional photodiode is used for a long time, a light emitting layer of a light emitting chip is deteriorated due to heat generated inside the conventional photodiode, and the stability of the inner structure of the photodiode is reduced due to overhigh temperature, so that the light emitting performance of the photodiode is influenced finally. In addition, when the pressure is applied to the outside, the pressure is easily damaged by the impact of the external force, and the service life is affected.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a micro optical fiber coupling packaged photodiode with good protection effect, fast heat dissipation and long service life.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a small optical fiber coupling encapsulation photodiode, includes the casing, the fixed connection electronic component of inside center department of casing, fixed connection second terminal, first terminal placed in the middle are respectively located at casing top both ends, overlap respectively on second terminal, the first terminal and establish an external screw thread cover, external screw thread cover external connection has the fixed disk, the fixed disk left and right sides all is provided with the mounting groove, sliding connection sliding column in the mounting groove, sliding column outer end fixed connection arc contact plate.

In some embodiments, the upper portion, the middle portion and the lower portion of the electronic component are respectively fixedly sleeved with a liquid storage ring, and two sets of liquid storage pipes are fixedly connected among the three liquid storage rings.

In some embodiments, the external thread sleeve and the fixed disk are both hollow, an internal thread groove is formed in the inner wall of the fixed disk, and the external thread sleeve is connected in the fixed disk in a threaded mode.

In some embodiments, a spring is arranged in the mounting groove, one end of the spring is fixed in the mounting groove, the other end of the spring is fixed at the inner end of the sliding column, the inner end port is fixedly connected with a sliding block, and the sliding block is matched and slidably connected with a sliding groove in the mounting groove.

In some embodiments, a plurality of straight rods are fixedly connected between the two fixed disks.

In some embodiments, the shape of the arc-shaped contact plate is matched with the outer edges of the two ends of the fixed disc.

In some embodiments, the first terminal post and the second terminal post are connected with the electronic component and the circuit board through conducting wires.

The micro optical fiber coupling packaged photodiode at least has the following beneficial effects:

the electronic component is arranged in the shell, the external thread sleeve and the fixed disk are additionally arranged at the top and the bottom of the shell, the first binding post and the second binding post respectively and longitudinally penetrate through the external thread sleeve and the fixed disk, and the thread sleeve and the fixed disk are matched to limit the first binding post and the second binding post and prevent the first binding post and the second binding post from shaking. Sliding columns are connected in the mounting grooves in the left side and the right side of the fixing disc in a sliding mode, one end of each sliding column is connected with a spring in the mounting groove, an arc-shaped contact plate is additionally arranged at the other end of each sliding column, external force applied when the sliding columns collide with or fall off is received through the arc-shaped contact plates, then the electronic elements in the shell are damaged by the elastic slow-release external force of the springs, the electronic elements are effectively protected, and the probability that the diodes are damaged due to accidental collision and falling is remarkably reduced. Meanwhile, in order to timely and quickly dissipate heat for the electronic element, a liquid storage ring storing cooling liquid is additionally arranged on the electronic element in a surrounding mode, the heat dissipation capacity and the pressure resistance capacity of the diode are improved, and the service life of the diode is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of a micro fiber-coupled photodiode according to the present invention;

FIG. 2 is a partial perspective view of a micro fiber-coupled packaged photodiode according to the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Description of reference numerals:

1. a housing; 2. a first terminal post; 3. a second terminal; 4. fixing the disc; 5. a straight rod; 6. an arc-shaped contact plate; 7. an internal thread groove; 8. an external thread sleeve; 9. a liquid storage ring; 10. an electronic component; 11. a liquid storage pipe; 12. a sliding groove; 13. a slider; 14. mounting grooves; 15. a sliding post; 16. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the micro optical fiber coupling packaged photodiode of the present invention includes a casing 1, wherein the bottom of the casing 1 is centrally and fixedly connected to a first terminal 2, the top of the casing 1 is centrally and fixedly connected to a second terminal 3, meanwhile, the top and the bottom of the casing 1 are centrally and fixedly connected to a hollow external thread sleeve 8, one of the two external thread sleeves 8 is coaxially sleeved on the top of the first terminal 2, and the other is coaxially sleeved on the bottom of the second terminal 3. The top and the bottom of the shell 1 are both provided with a hollow fixed disk 4, the inner wall of the fixed disk 4 is provided with an internal thread groove 7, and the external thread on the external thread sleeve 8 is matched with the internal thread of the internal thread groove 7 in a threaded manner, so that the fixed disk 4 is coaxially connected outside the external thread sleeve 8. Thus, the first terminal 2 and the second terminal 3 respectively longitudinally penetrate through the two upper external thread sleeves 8 and the two upper fixing discs 4.

Preferably, a plurality of straight rods 5 are fixedly connected between the upper fixing disc 4 and the lower fixing disc 4, in the embodiment, 6 straight rods 5 are arranged in the circumferential direction of the fixing discs, and the 6 straight rods form a guardrail, so that the shell 1 is further protected. In practice, of course, the number of the straight rods 5 can be increased or decreased as appropriate, which is not listed here.

The radial both ends of fixed disk 4 all are provided with the outside mounting groove 14 of opening, and sliding column 15 is connected in mounting groove 14 sliding. Specifically, spring 16 one end is fixed in mounting groove 14, one end is fixed in the inner that slip post 15 is close to external thread bush 8, this inner top and the equal fixed connection sliding block 13 in bottom, all be provided with sliding tray 12 on the roof of mounting groove 14 and the diapire, sliding block 13 and sliding tray 12 adaptation, sliding block 13, sliding tray 12, stop gear is constituteed to spring 16, sliding block 13 sliding connection sliding tray 12, the slip post 15 of being convenient for slides, spring 16 is used for avoiding slip post 15 roll-off mounting groove 14. The outer end of the sliding column 15 far away from the external thread sleeve 8 is fixedly connected with an arc-shaped contact plate 6, and the shape of the arc-shaped contact plate 6 is matched with the outer edges of the two ends of the fixed disk 4 so as to cover and protect the edge of the fixed disk 4. Meanwhile, the two arc contact plates 6 at the two ends of the fixed disc 4 are not contacted with each other.

An electronic element 10 (a photodiode in this embodiment) is fixedly connected to the center of the interior of the housing 1, the first terminal 2 and the second terminal 3 are both connected to the electronic element 10 through wires, and the first terminal 2 and the second terminal 3 are connected to a circuit board to drive the diode to work. Preferably, the upper portion, the middle portion and the lower portion of the electronic component 10 are coaxially and fixedly sleeved with the liquid storage rings 9, two groups of liquid storage pipes 11 are fixedly connected among the three liquid storage rings 9, and cooling liquid in the three liquid storage rings 9 circulates through the additionally arranged liquid storage pipes 11.

The working principle of the micro optical fiber coupling packaged photodiode is as follows:

through first terminal 2, second terminal 3 is connected drive diode work with the circuit board, a top of casing 1 and the outer threaded connection fixed disk 4 of distinguishing respectively of external screw thread cover 8 that the bottom installed additional, the left and right sides of two fixed disks 4 all has sliding column 15 through 14 sliding connection of mounting groove, sliding column 15's the inner spring 16 of installing additional, arc contact plate 6 is installed additional to the outer end, when the diode takes place to collide with or drop, arc contact plate 6 is because of being located the outside and atress earlier, under this exogenic action, arc contact plate 6 promotes sliding column 15 and slides to mounting groove 14, spring 16 is compressed, above-mentioned external force is directly alleviated in the deformation of spring 16, electronic component 10 in the casing 1 has been avoided effectively impaired, the oneself's protective capacities of diode has been improved greatly. In addition, the liquid storage ring 9 which is arranged outside the electronic element 10 in a surrounding mode and used for storing cooling liquid is used for cooling the electronic element 10 timely and effectively, the heat dissipation capacity and the pressure resistance of the diode can be improved, and the service life of the diode can be prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A tiny optical fiber coupling packaged photodiode comprises a shell (1), wherein an electronic element (10) is fixedly connected to the inner center of the shell (1), and the tiny optical fiber coupling packaged photodiode is characterized in that: fixed connection second terminal (3), first terminal (2) placed in the middle are do not respectively at casing (1) top end both ends, overlap respectively on second terminal (3), first terminal (2) and establish an external screw thread cover (8), external screw thread cover (8) external connection has fixed disk (4), the fixed disk (4) left and right sides all is provided with mounting groove (14), sliding connection sliding column (15) in mounting groove (14), sliding column (15) outer end fixed connection arc contact plate (6).

2. The tiny optical fiber coupling packaged photodiode according to claim 1, wherein: the upper part, the middle part and the lower part of the electronic element (10) are fixedly sleeved with the liquid storage ring (9).

3. A tiny fiber-coupled packaged photodiode according to claim 1 or 2, wherein: two groups of liquid storage pipes (11) are fixedly connected among the three liquid storage rings (9).

4. A tiny fiber coupled packaged photodiode according to claim 3, wherein: the external thread sleeve (8) and the fixed disk (4) are hollow, an internal thread groove (7) is formed in the inner wall of the fixed disk (4), and the external thread sleeve (8) is in threaded connection with the inside of the fixed disk (4).

5. The tiny optical fiber coupling packaged photodiode according to claim 4, wherein: be provided with spring (16) in mounting groove (14), spring (16) one end is fixed in mounting groove (14), and the other end is fixed in sliding column (15) inner, inner end port fixed connection sliding block (13), sliding block (13) and sliding tray (12) adaptation and sliding connection on mounting groove (14).

6. A tiny optical fiber coupling packaged photodiode according to any of claims 1-5, wherein: a plurality of straight rods (5) are fixedly connected between the two fixed disks (4).

7. The tiny optical fiber coupling packaged photodiode according to claim 6, wherein: the shape of the arc-shaped contact plate (6) is matched with the outer edges of the two ends of the fixed disc (4).

8. The tiny fiber-coupled packaged photodiode according to claim 7, wherein: the first binding post (2) and the second binding post (3) are connected with the electronic element (10) and the circuit board through conducting wires.