CN208607452U - A kind of laser isolator of included fixed device - Google Patents

Abstract

The utility model discloses a kind of laser isolators of included fixed device, including flat surface, stationary fixture and optoisolator pedestal, the upper surface of the flat surface is placed with foot prop plate, and rubber strip is inlaid with inside the lower surface of foot prop plate, the inside front of the foot prop plate is welded with support column, and it is provided on the outside of the middle part of support column and penetrates slot, described penetrate is equipped with drop weight plate on the outside of slot, the internal stretch of the stationary fixture to surface offers air hole, and the inner wall adhesion of U-lag has smooth plastics layer, the top covering of the optoisolator pedestal is equipped with treadmill, shaft is connected on the right side of the treadmill.The laser of the included fixed device has fixed rock-steady structure with isolator, when carrying out Data Detection to optoisolator, it will not cause its measurement result because of the unstable of optoisolator there are deviations, secondly the laser will not cause to scratch with isolator when it is fixed to its outer wall.

Description

A kind of laser isolator of included fixed device

Technical field

The utility model relates to laser isolator technical field, the laser of specially a kind of included fixed device is used Isolator.

Background technique

Laser is the device that can emit laser, First maser has been made within 1954, obtains height Relevant microbeam, A.L. Xiao Luo and C.H. soup this maser principle promotes the use of optical frequency range within 1958, Isolator is a kind of use linear optical coupling isolation principle, and input signal is carried out conversion output, is inputted, output and working power three Person is mutually isolated, is particularly suitable for the equipment instrument adapted being electrically isolated with needs, isolator also known as signal isolator, is Industry Control Important component in system, the wide variety of isolator, optoisolator belong to one of which.But existing laser with every Do not have fixed rock-steady structure from device, when carrying out Data Detection to optoisolator, often because of the shakiness of optoisolator Surely leading to its measurement result, there are certain deviations, and secondly general laser is easy with isolator when it is fixed Its outer wall is caused to scratch, in view of the above-mentioned problems, we have proposed a kind of laser isolators of included fixed device.

Utility model content

The purpose of this utility model is to provide a kind of laser isolators of included fixed device, to solve above-mentioned back It proposes that general laser isolator does not have fixed rock-steady structure in scape technology, Data Detection is being carried out to optoisolator When, often because the unstable of optoisolator causes its measurement result there are certain deviation, next general laser is used Isolator is easy to cause its outer wall the problem of scratching when it is fixed.

To achieve the above object, the utility model provides the following technical solutions: a kind of laser use of included fixed device Isolator, including flat surface, stationary fixture and optoisolator pedestal, the upper surface of the flat surface are placed with foot prop plate, and foot Rubber strip is inlaid with inside the lower surface of frame plate, the inside front of the foot prop plate is welded with support column, and the middle part of support column Outside, which is provided with, penetrates slot, and described penetrate is equipped with drop weight plate on the outside of slot, internal stretch to the surface of the stationary fixture is opened Equipped with air hole, and stationary fixture is located at the top of support column, U-lag is provided on the inside of the air hole, and U-lag is interior Wall adhesion has smooth plastics layer, and the top covering of the optoisolator pedestal is equipped with treadmill, and optoisolator pedestal position It is connected with shaft on the right side of the inside of smooth plastics layer, the treadmill, and is fixed with and determines below the left side of treadmill Position column, the lower outer of the positioning column are enclosed with locating slot, angle of wedge piece, and wedge are equipped on the inside of the optoisolator pedestal The inside clamping of cornual plate is equipped with revolving fragment, and the upper and lower ends of the angle of wedge piece are provided with magnet ring, the optoisolator pedestal Left and right ends be mounted on optical fiber.

Preferably, the foot prop plate is along the distribution triangular in shape of the upper surface of flat surface, and the lower surface of rubber strip and foot prop The lower surface of plate is located in same level.

Preferably, the support column is connected between slot and drop weight plate by penetrating, and the outer surface of support column and drop weight It is set as welding between the inner surface of plate, and drops and be parallel to each other between weight plate and foot prop plate.

Preferably, it fits between the outer surface of the U-lag and the inner surface of smooth plastics layer, and the center of U-lag Line is overlapped with the center line of stationary fixture.

Preferably, the treadmill is by constituting rotational structure between shaft and stationary fixture, while positioning column is outer Portion's diameter is equal with the inside diameter of locating slot.

Preferably, the upper and lower ends of the angle of wedge piece intersect with magnet ring, and are parallel to each other between magnet ring, and magnet ring it Between about revolving fragment cross central line it is symmetrical.

Compared with prior art, the utility model has the beneficial effects that the laser isolator of the included fixed device It will not lead to it because of the unstable of optoisolator when carrying out Data Detection to optoisolator with fixed rock-steady structure There are deviations for measurement result, and secondly the laser will not cause to scratch with isolator when it is fixed to its outer wall, should Foot prop plate is along the distribution triangular in shape of the upper surface of flat surface in the laser isolator of included fixed device, since triangle is Most stable of structure, therefore the foot prop plate of triangular construction can connect relatively stable, secondly rubber strip between flat surface Frictional force between the lower surface and flat surface for increasing foot prop plate is set, so that foot prop plate can be stably fixed to On flat surface, the weight plate outside that is socketed in support column by penetrating slot will drop, then will drop at the gap of weight plate and support column into Row welding, so that dropping the outside that weight plate is fixed on support column, this is arranged the center of gravity for reducing support column, strengthens entire dress The stationarity set；

It fits between the outer surface of shape slot and the inner surface of smooth plastics layer, optoisolator pedestal is placed on U-lag Inside, then treadmill is rotated to the left by shaft it is smooth so that positioning column is directly applied in the inside of locating slot The setting of plastic layer can be avoided optoisolator pedestal and directly contact with U-lag generation, so as to avoid optoisolator pedestal Abrasion is generated between outer surface and U-lag, by the setting of treadmill and stationary fixture, isolator pedestal can be fixed on Specific position, avoids it from shaking during the work time, improves the accuracy of device work, the device is worked The heat generated in journey is arranged outwardly by air hole；

The device is by the mutual cooperation between angle of wedge piece, magnet ring and revolving fragment, so that the device forms complete light sensation Device is answered, optical inductor utilizes the Faraday effect of magneto-optical crystal, can prevent the backward biography generated due to various reasons in optical path The adverse effect to light source and light path system generation is lost, a light is installed between semiconductor laser light source and optical transmission system Isolator can largely reduce the adverse effect that reflected light generates the spectral output power stability of light source.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model stationary fixture side structure schematic diagram；

Fig. 3 is the utility model foot prop plate lower surface configuration schematic diagram.

In figure: 1, flat surface；2, foot prop plate；3, rubber strip；4, support column；5, slot is penetrated；6, weight plate drops；7, fixing clamp Tool；8, air hole；9, U-lag；10, smooth plastics layer；11, optoisolator pedestal；12, treadmill；13, shaft；14, it positions Column；15, locating slot；16, angle of wedge piece；17, revolving fragment；18, magnet ring；19, optical fiber.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of laser isolation of included fixed device Device, including flat surface 1, stationary fixture 7 and optoisolator pedestal 11, the upper surface of flat surface 1 are placed with foot prop plate 2, and foot prop It is inlaid with rubber strip 3 inside the lower surface of plate 2, foot prop plate 2 is along the distribution triangular in shape of the upper surface of flat surface 1, and rubber strip 3 Lower surface and the lower surface of foot prop plate 2 are located in same level, foot prop plate 2 are placed on flat surface 1, since triangle is Most stable of structure, therefore the foot prop plate 2 of triangular construction can connect relatively stable, next rubber strip 3 between flat surface 1 Setting increase the frictional force between the lower surface of foot prop plate 2 and flat surface 1 so that foot prop plate 2 can be by stable It is fixed on flat surface 1, the inside front of foot prop plate 2 is welded with support column 4, and is provided with and penetrates on the outside of the middle part of support column 4 Slot 5, the outside for penetrating slot 5 are equipped with drop weight plate 6, and support column 4 is connected between slot 5 and drop weight plate 6 by penetrating, and support column It is set as welding between 4 outer surface and the inner surface for dropping weight plate 6, and drops and be parallel to each other between weight plate 6 and foot prop plate 2, it will Then the outside that drop weight plate 6 is socketed in support column 4 by penetrating slot 5 will weld at drop weight plate 6 and the gap of support column 4, So that drop weight plate 6 is fixed on the outside of support column 4, this is arranged the center of gravity for reducing support column 4, strengthens whole device Stationarity；

The internal stretch of stationary fixture 7 to surface offers air hole 8, and stationary fixture 7 is located at the top of support column 4, The inside of air hole 8 is provided with U-lag 9, and the inner wall adhesion of U-lag 9 has smooth plastics layer 10, the outer surface of U-lag 9 and light It fits between the inner surface of sliding plastic layer 10, and the center line of U-lag 9 is overlapped with the center line of stationary fixture 7, by smooth modeling The outer surface of the bed of material 10 coats viscose glue, is then bonded in the inner wall of U-lag 9, the top covering of optoisolator pedestal 11 Treadmill 12 is installed, and optoisolator pedestal 11 is located at the inside of smooth plastics layer 10, the right side connection of treadmill 12 There is shaft 13, and be fixed with positioning column 14 below the left side of treadmill 12, the lower outer of positioning column 14 is enclosed with locating slot 15, treadmill 12 is by constituting rotational structure between shaft 13 and stationary fixture 7, while the outer dia of positioning column 14 and fixed The inside diameter of position slot 15 is equal, and optoisolator pedestal 11 is placed on to the inside of U-lag 9, then passes through treadmill 12 Shaft 13 rotates to the left, so that positioning column 14 is directly applied in the inside of locating slot 15, the setting of smooth plastics layer 10 can Optoisolator pedestal 11 is avoided to occur directly to contact with U-lag 9, outer surface and U-shaped so as to avoid optoisolator pedestal 11 Abrasion is generated between slot 9, by the setting of treadmill 12 and stationary fixture 7, optoisolator pedestal 11 can be fixed on spy Fixed position, avoids it from shaking during the work time, improves the accuracy of device work, the device is in the course of work The heat of middle generation passes through 8 row of air hole outwardly；

The inside of optoisolator pedestal 11 is equipped with angle of wedge piece 16, and the inside clamping of angle of wedge piece 16 is equipped with revolving fragment 17, the upper and lower ends of angle of wedge piece 16 are provided with magnet ring 18, and the left and right ends of optoisolator pedestal 11 are mounted on optical fiber 19, wedge The upper and lower ends of cornual plate 16 intersect with magnet ring 18, and are parallel to each other between magnet ring 18, and about revolving fragment between magnet ring 18 17 cross central line is symmetrical, and the device is by the mutual cooperation between angle of wedge piece 16, magnet ring 18 and revolving fragment 17, so that the dress It sets to form complete optical inductor, optical inductor utilizes the Faraday effect of magneto-optical crystal, can prevent in optical path due to various The adverse effect that the reverse transfers light that reason generates generates light source and light path system, in semiconductor laser light source and optical transport system One optoisolator is installed between system, reflected light can be largely reduced and the spectral output power stability of light source is produced Raw adverse effect.

Working principle: when using the laser isolator of the included fixed device, foot prop plate 2 is placed on first flat On smooth face 1, since triangle is most stable of structure, the foot prop plate 2 of triangular construction can connect between flat surface 1 Weight plate 6 and support column 4, then will drop in outside relatively stable, that drop weight plate 6 is then socketed in support column 4 by penetrating slot 5 It is welded at gap, so that drop weight plate 6 is fixed on the outside of support column 4, the outer surface of smooth plastics layer 10 is coated Then viscose glue is bonded in the inner wall of U-lag 9, optoisolator pedestal 11 is placed on to the inside of U-lag 9, then will be movable Plate 12 is rotated to the left by shaft 13, so that positioning column 14 is directly applied in the inside of locating slot 15, smooth plastics layer 10 Setting can be avoided optoisolator pedestal 11 and occur directly to contact with U-lag 9, so as to avoid the outer of optoisolator pedestal 11 Abrasion is generated between surface and U-lag 9, by the mutual cooperation between angle of wedge piece 16, magnet ring 18 and revolving fragment 17, so that the dress It sets to form complete optical inductor, optical inductor utilizes the Faraday effect of magneto-optical crystal, can prevent in optical path due to various The adverse effect that the reverse transfers light that reason generates generates light source and light path system, here it is swashing for the included fixed device The working principle of light device isolator.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of laser isolator of included fixed device, including flat surface (1), stationary fixture (7) and optoisolator base Seat (11), it is characterised in that: the upper surface of the flat surface (1) is placed with foot prop plate (2), and in the lower surface of foot prop plate (2) Portion is inlaid with rubber strip (3), and the inside front of the foot prop plate (2) is welded with support column (4), and outside the middle part of support column (4) Side, which is provided with, to be penetrated slot (5), and described penetrate is equipped with drop weight plate (6) on the outside of slot (5), the inside of the stationary fixture (7) is prolonged It extends to surface to offer air hole (8), and stationary fixture (7) is located at the top of support column (4), the inside of the air hole (8) Be provided with U-lag (9), and the inner wall adhesion of U-lag (9) has smooth plastics layer (10), the optoisolator pedestal (11) it is upper Side's covering is equipped with treadmill (12), and optoisolator pedestal (11) is located at the inside of smooth plastics layer (10), the activity It is connected on the right side of plate (12) shaft (13), and is fixed with positioning column (14) below the left side of treadmill (12), it is described fixed The lower outer of position column (14) is enclosed with locating slot (15), is equipped with angle of wedge piece on the inside of the optoisolator pedestal (11) (16), and the clamping of the inside of angle of wedge piece (16) is equipped with revolving fragment (17), and the upper and lower ends of the angle of wedge piece (16) are provided with The left and right ends of magnet ring (18), the optoisolator pedestal (11) are mounted on optical fiber (19).

2. a kind of laser isolator of included fixed device according to claim 1, it is characterised in that: the foot prop Upper surface triangular in shape distribution of the plate (2) along flat surface (1), and the lower surface position of the lower surface of rubber strip (3) and foot prop plate (2) In in same level.

3. a kind of laser isolator of included fixed device according to claim 1, it is characterised in that: the support Column (4) is connected between slot (5) and drop weight plate (6) by penetrating, and the outer surface of support column (4) and the interior table for dropping weight plate (6) It is set as welding between face, and drops and be parallel to each other between weight plate (6) and foot prop plate (2).

4. a kind of laser isolator of included fixed device according to claim 1, it is characterised in that: the U-shaped It fits between the outer surface of slot (9) and the inner surface of smooth plastics layer (10), and the center line and stationary fixture of U-lag (9) (7) center line is overlapped.

5. a kind of laser isolator of included fixed device according to claim 1, it is characterised in that: the activity Plate (12) by constituting rotational structure between shaft (13) and stationary fixture (7), while the outer dia of positioning column (14) and The inside diameter of locating slot (15) is equal.

6. a kind of laser isolator of included fixed device according to claim 1, it is characterised in that: the angle of wedge The upper and lower ends of piece (16) intersect with magnet ring (18), and are parallel to each other between magnet ring (18), and between magnet ring (18) about The cross central line of revolving fragment (17) is symmetrical.