CN215573009U

CN215573009U - Optical fiber sensor for digital system

Info

Publication number: CN215573009U
Application number: CN202121536105.0U
Authority: CN
Inventors: 杨耕; 刘毅; 聂佳佳
Original assignee: Hubei Xundi Science & Technology Co ltd
Current assignee: Hubei Xundi Science & Technology Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-18
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses an optical fiber sensor for a digital system, which comprises an optical fiber sensor main body and a base, wherein one side of the optical fiber sensor main body is fixedly connected with a sliding block, one side of the sliding block is provided with a fixed sliding mechanism, the upper surface of the optical fiber sensor main body is fixedly connected with an input line, one end of the input line is fixedly connected with a light-receiving signal head for capturing light, the bottom of the optical fiber sensor main body is fixedly connected with an output signal line, the upper surface of the base is fixedly connected with a support column, the upper surface of the support column is fixedly connected with a stroke plate, and the upper surface of the stroke plate is fixedly connected with a positioning plate. According to the utility model, the optical fiber sensor main body can horizontally slide on one side of the stroke plate by arranging the fixed sliding mechanism, the height of the receiving optical signal head is adjusted and fixed by arranging the height positioning mechanism, and meanwhile, the position of the receiving optical signal head is corrected, so that the optical signal received by the receiving optical signal head is more accurate.

Description

Optical fiber sensor for digital system

Technical Field

The present application relates to the field of electrical sensor applications, and more particularly, to an optical fiber sensor for digital systems.

Background

The basic working principle of the optical fiber sensor is that light from a light source is sent into a modulator through an optical fiber, so that after a parameter to be measured interacts with the light entering a modulation region, the optical properties of the light, such as the intensity, wavelength, frequency, phase, polarization state and the like of the light, are changed, the light is called modulated signal light, and the measurement is completed by utilizing the influence exerted by the measured light on the transmission characteristic of the light.

Most of the existing optical fiber sensors are static, when optical signals sent by a fixed light source are received, the light source sending end and the optical fiber sensor receiving end are not accurately positioned, the traditional optical fiber sensor has no position positioning auxiliary function, errors can be generated during detection, and the detection effect is influenced.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a fiber sensor for digital systems to solve the problems set forth in the background above.

The embodiment of the application adopts the following technical scheme:

an optical fiber sensor for a digital system comprises an optical fiber sensor body and a base, wherein one side of the optical fiber sensor body is fixedly connected with a sliding block, one side of the sliding block is provided with a fixed sliding mechanism, the upper surface of the optical fiber sensor body is fixedly connected with an input line, one end of the input line is fixedly connected with a receiving optical signal head for capturing light, the bottom of the optical fiber sensor body is fixedly connected with an output signal line, the upper surface of the base is fixedly connected with a support column, the upper surface of the support column is fixedly connected with a stroke plate, the upper surface of the stroke plate is fixedly connected with a positioning plate, one side of the positioning plate is provided with a sliding hole, a transmitting optical signal head is inserted in the sliding hole, and the upper surface of the sliding block is fixedly connected with a height positioning mechanism;

fixed slide mechanism has the movable plate including offering in the groove of dodging of sliding block one side, and the inner wall sliding connection who dodges the groove has a spout, and the lower surface of movable plate has been seted up, and the interior roof sliding connection of spout has splint, the interior roof fixedly connected with dead lever of spout, and the side of dead lever is rotated and is connected with the axis of rotation, and one side that two splint are close to each other is provided with the rolling subassembly.

Preferably, the fixed sliding mechanism further comprises a through hole formed in the lower surface of the sliding block, the inner wall of the through hole is rotatably connected with a first positive and negative screw rod, one end of the first positive and negative screw rod is fixedly connected with a handle, a first rotating hole is formed in the upper surface of the moving plate, and the inner wall of the first rotating hole is in threaded connection with the surface of the first positive and negative screw rod.

Preferably, a rotating hole is formed in one side of the moving plate, a second positive and negative screw rod is connected to the inner wall of the rotating hole in a rotating mode, a handle is fixedly connected to one end of the second positive and negative screw rod, a second rotating hole is formed in one side of the clamping plate, and the inner wall of the second rotating hole is in threaded connection with the surface of the second positive and negative screw rod.

Preferably, the rolling assembly comprises a sliding hole and a mounting groove which are arranged on the opposite surface of the clamping plate, the inner wall of the mounting groove is fixedly connected with a telescopic rod, a reset spring is sleeved on the surface of the telescopic rod, one end of the telescopic rod is fixedly connected with a sleeve, the two ends of the reset spring are respectively fixedly connected with the inner wall of the mounting groove and one side of the sleeve, and the inner wall of the sleeve is connected with a ball in a rolling manner.

Preferably, height positioning mechanism includes the limiting plate of fixed connection in the sliding block upper surface, the first fixed block of last fixed surface fixedly connected with of limiting plate, the standing groove has been seted up to the one end of first fixed block, the T-slot has been seted up to the interior roof of standing groove, the interior roof sliding connection in T-slot has the slider, the lower fixed surface of slider is connected with the second fixed block, the positive fixedly connected with fixture block of second fixed block, the front of second fixed block is rotated and is connected with the damping pivot, the one end fixedly connected with dwang of damping pivot, one side fixedly connected with dop of dwang, the positive sliding connection of dwang has the fixed head, the mounting hole has been seted up to one side of fixed head, receive the optical signal head and peg graft in the mounting hole, the back fixedly connected with screw rod of fixed head, the surperficial threaded connection of screw rod has the turning block.

Preferably, the back of the second fixing block is provided with a positioning hole, the back of the first fixing block is provided with an insertion hole, a positioning pin is inserted in the insertion hole, and the positioning pin is matched with the positioning hole.

Preferably, the locating slot has been seted up to one side of fixed head, and the hole of dodging has been seted up to one side of locating plate, and the inner wall sliding connection who dodges the hole has flexible push rod, flexible push rod and locating slot looks adaptation.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

by arranging the handle, the rotating handle drives the first positive and negative screw rod to rotate, the first positive and negative screw rod rotates to drive the two movable plates to move towards one side close to each other, the vertical clamping effect is realized, the optical fiber sensor main body can slide on the upper surface and the lower surface of the stroke plate, by arranging the handle, the rotating handle drives the second positive and negative screw rod to rotate, the second positive and negative screw rod rotates to drive the two clamping plates to move towards one side close to each other, the left and right clamping effect is realized, the optical fiber sensor main body can slide on the side surface of the stroke plate, by arranging the sliding hole, the rotating shaft is avoided, the two clamping plates close to each other are prevented from interfering the rotating shaft, by arranging the rotating shaft, the upper surface and the lower surface of the stroke plate are fixed, by arranging the telescopic rod and the reset spring, the two sides of the stroke plate are extruded, the shaking in the moving process is prevented, by arranging the sleeve, the ball is limited, and the optical fiber sensor main body can move in the horizontal direction after being clamped by arranging the ball, meanwhile, the movement friction is reduced, the second fixed block can slide in the placing groove by arranging the T-shaped groove and the sliding block, the rotating rod is accommodated and fixed by arranging the clamping block and the clamping head, and by arranging the fixed head, the position of the optical signal receiving head is fixed, the fixing head is clamped and fixed by arranging a screw rod and a fixing block, by arranging the damping rotating shaft, the rotating rod can not swing when the optical fiber sensor main body is moved after the rotating rod rotates, dodge the hole through setting up, dodge flexible push rod, through setting up constant head tank, flexible push rod to transmitting optical signal head, receiving optical signal head and carry out accurate location, solved traditional optical fiber sensor and do not have position location auxiliary function, can produce the error during the detection, influence the problem of testing result.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view; the utility model is a schematic three-dimensional structure;

FIG. 2 is a schematic view; the sliding block of the utility model has a schematic sectional structure;

FIG. 3 is a schematic view; the enlarged structure of the utility model at A in FIG. 2 is schematically illustrated;

FIG. 4 is a schematic view; the utility model discloses a schematic sectional structure diagram of a first fixed block;

FIG. 5 is a schematic view; the utility model is a three-dimensional structure schematic diagram of a height positioning mechanism;

in the figure: 1. a fiber optic sensor body; 2. receiving a light signal head; 3. an output signal line; 4. a fixed slide mechanism; 401. an avoidance groove; 402. a handle; 403. a first positive and negative lead screw; 404. moving the plate; 405. a handle; 406. a second positive and negative screw rod; 407. fixing the rod; 408. a splint; 409. a rotating shaft; 410. a rolling component; 4101. a telescopic rod; 4102. a return spring; 4103. a sleeve; 4104. a ball bearing; 5. a base; 6. positioning a plate; 7. a stroke plate; 8. an optical signal head; 9. a height positioning mechanism; 901. a first fixed block; 902. a placement groove; 903. a T-shaped slot; 904. a slider; 905. a clamping block; 906. a second fixed block; 907. rotating the rod; 908. a fixed head; 909. positioning a groove; 910. clamping a head; 911. a screw; 912. rotating the block; 913. positioning holes; 914. positioning pins; 915. a telescopic push rod; 10. and a slider.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1-5, the present invention provides a technical solution:

an optical fiber sensor for a digital system comprises an optical fiber sensor main body 1 and a base 5, wherein one side of the optical fiber sensor main body 1 is fixedly connected with a sliding block 10, one side of the sliding block 10 is provided with a fixed sliding mechanism 4, the upper surface of the optical fiber sensor main body 1 is fixedly connected with an input line, one end of the input line is fixedly connected with a light receiving signal head 2 for capturing light, the bottom of the optical fiber sensor main body 1 is fixedly connected with an output signal line 3, the upper surface of the base 5 is fixedly connected with a support column, the upper surface of the support column is fixedly connected with a stroke plate 7, the upper surface of the stroke plate 7 is fixedly connected with a positioning plate 6, one side of the positioning plate 6 is provided with a sliding hole, a light emitting signal head 8 is inserted into the sliding hole, and the upper surface of the sliding block 10 is fixedly connected with a height positioning mechanism 9;

fixed slide mechanism 4 is including offering the groove 401 of dodging in sliding block 10 one side, dodging the inner wall sliding connection of groove 401 and having movable plate 404, and the spout has been seted up to the lower surface of movable plate 404, and the interior roof sliding connection of spout has splint 408, and the interior roof fixedly connected with dead lever 407 of spout, the side of dead lever 407 is rotated and is connected with axis of rotation 409, and one side that two splint 408 are close to each other is provided with rolling component 410.

Through setting up fixed slide mechanism 4 for optical fiber sensor main part 1 can horizontal slip in one side of stroke board 7, through setting up high positioning mechanism 9, adjusts the height of receiving optical signal head 2 and fixes, corrects the position of receiving optical signal head 2 simultaneously, makes the optical signal of receiving optical signal head 2 received more accurate.

Preferably, the fixed sliding mechanism 4 further includes a through hole provided on the lower surface of the sliding block 10, an inner wall of the through hole is rotatably connected with a first positive and negative screw rod 403, one end of the first positive and negative screw rod 403 is fixedly connected with a handle 402, the upper surface of the moving plate 404 is provided with a first rotating hole, and the inner wall of the first rotating hole is in threaded connection with the surface of the first positive and negative screw rod 403.

Through setting up handle 402, the turning handle 402 drives first positive and negative lead screw 403 to rotate, and first positive and negative lead screw 403 rotates and drives two movable plates 404 to move towards one side that is close to each other, realizes the fixed effect of upper and lower clamp.

Preferably, a rotating hole is formed in one side of the moving plate 404, a second positive and negative screw rod 406 is rotatably connected to the inner wall of the rotating hole, a handle 405 is fixedly connected to one end of the second positive and negative screw rod 406, a second rotating hole is formed in one side of the clamping plate 408, and the inner wall of the second rotating hole is in threaded connection with the surface of the second positive and negative screw rod 406.

Through setting up handle 405, rotate handle 405 and drive the positive and negative lead screw 406 of second and rotate, the positive and negative lead screw 406 of second rotates and drives two splint 408 towards the motion of one side that is close to each other, and the clamp is fixed effect about realizing.

Preferably, the rolling component 410 includes a sliding hole and a mounting groove opened on the opposite surface of the clamping plate 408, the inner wall of the mounting groove is fixedly connected with an expansion rod 4101, the surface of the expansion rod 4101 is sleeved with a return spring 4102, one end of the expansion rod 4101 is fixedly connected with a sleeve 4103, two ends of the return spring 4102 are respectively fixedly connected with the inner wall of the mounting groove and one side of the sleeve 4103, and the inner wall of the sleeve 4103 is connected with a ball 4104 in a rolling manner.

Through setting up the slide opening, dodge the axis of rotation 409, prevent that two splint 408 that are close to each other from producing the interference to axis of rotation 409, through setting up axis of rotation 409, fix and slide the upper and lower face of stroke board 7, through setting up telescopic link 4101, reset spring 4102, extrude stroke board 7 both sides, prevent to produce in the motion process and rock, through setting up sleeve 4103, carry out spacingly to ball 4104, through setting up ball 4104, make and press from both sides tightly the back, optical fiber sensor main part 1 can the horizontal direction motion, reduce the motion friction simultaneously.

Preferably, height positioning mechanism 9 includes the limiting plate of fixed connection in sliding block 10 upper surface, the first fixed block 901 of last fixed surface fixedly connected with of limiting plate, standing groove 902 has been seted up to the one end of first fixed block 901, T-slot 903 has been seted up to the interior roof of standing groove 902, the interior roof sliding connection of T-slot 903 has slider 904, the lower fixed surface of slider 904 is connected with second fixed block 906, the positive fixedly connected with fixture block 905 of second fixed block 906, the front rotation of second fixed block 906 is connected with the damping pivot, the one end fixedly connected with dwang 907 of damping pivot, one side fixedly connected with dop 910 of dwang 907, the front sliding connection of dwang 907 has fixed head 908, the mounting hole has been seted up to one side of fixed head 908, receive optical signal head 2 and peg graft in the mounting hole, the back fixedly connected with screw rod 908 of fixed head, the surperficial threaded connection of screw 911 has turning block 912.

Through setting up T-slot 903, slider 904 for second fixed block 906 can slide in standing groove 902, through setting up fixture block 905, the dop 910 is accomodate fixedly to dwang 907, through setting up fixed head 908, carry out the rigidity to receiving optical signal head 2, through setting up screw 911, turning block 912, it is fixed to press from both sides fixed head 908, through setting up the torsion axle, make dwang 907 rotate the back, dwang 907 produces the swing when moving optical fiber sensor main part 1 can not.

Preferably, the back surface of the second fixing block 906 is provided with a positioning hole 913, the back surface of the first fixing block 901 is provided with an insertion hole, a positioning pin 914 is inserted into the insertion hole, and the positioning pin 914 is matched with the positioning hole 913.

By providing the positioning hole 913, the positioning pin 914, and the insertion hole, the second fixing block 906 is accommodated and slid into the placement groove 902 to be positioned and fixed.

Preferably, one side of the fixing head 908 is provided with a positioning groove 909, one side of the positioning plate 6 is provided with an avoiding hole, the inner wall of the avoiding hole is slidably connected with a telescopic push rod 915, and the telescopic push rod 915 is matched with the positioning groove 909.

Through setting up dodging the hole, dodging telescopic push rod 915, through setting up constant head tank 909, telescopic push rod 915 to transmitting optical signal head 8, receive optical signal head 2 and carry out accurate location.

It should be noted that, the present invention is an optical fiber sensor for digital system, the user first fixes the sliding block 10 on one side of the optical fiber sensor body 1, connects one end of the output signal line 3 with the display, rotates the handle 402, the handle 402 rotates to drive the first positive and negative screw 403 to move, the first positive and negative screw 403 rotates to drive the two moving plates 404 to move towards the side close to each other until the upper and lower surfaces of the two rotating shafts 409 contact with the upper and lower surfaces of the stroke plate 7 respectively, then rotates the handle 405, the handle 405 rotates to drive the second positive and negative screw 406 to move, the second positive and negative screw 406 rotates to make the two clamping plates 408 move towards the side close to each other, the sliding hole on the clamping plate 408 avoids interfering with the rotating shafts 409 during the movement process until the ball 4104 on the clamping plate 408 contacts with the side wall of the stroke plate 7, the sleeve 4103 protects the ball 4104 from falling off during the rolling process, the reset spring 4102 applies pressure to the ball 4104, the ball 4104 applies pressure to the side wall of the stroke plate 7, so that the optical fiber sensor main body 1 is ensured to be fixed on the surface of the stroke plate 7 to slide without shaking, meanwhile, the ball 4104 reduces the friction of movement in the movement process, the optical fiber sensor main body 1 is horizontally pushed at this time, the optical fiber sensor main body 1 can slide along a vertical plate, the detection of the emitted optical signal heads 8 at different positions can be realized, the positioning pin 914 of the jack at one side of the first fixing block 901 is taken down, one end of the second fixing block 906 of the third fixing block is dragged, the second fixing block 906 is completely taken out of the first placing groove 902, the clamping head 910 clamped on the clamping block 905 is taken out, the damping rotating shaft is rotated clockwise until being vertical to the horizontal plane, the received optical signal head 2 is inserted and fixed on the fixing head 908, and after the rotating block 912 is rotated, the screw 911 is loosened and can slide, after the height is adjusted to a proper height, the position is confirmed, the telescopic push rod 915 is pushed into the positioning groove 909, at this time, the light beam emitted by the transmitting optical signal head 8 is just received by the receiving optical signal head 2 for detection, and then the rotating block 912 is rotated to fix the fixing head 908, so that the light beam emitted by the transmitting optical signal head 8 can be accurately detected.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. An optical fiber sensor for a digital system, comprising an optical fiber sensor body (1), a base (5), characterized in that: one side of the optical fiber sensor main body (1) is fixedly connected with a sliding block (10), one side of the sliding block (10) is provided with a fixed sliding mechanism (4), the upper surface of the optical fiber sensor main body (1) is fixedly connected with an input line, one end of the input line is fixedly connected with a light receiving signal head (2) for capturing light, the bottom of the optical fiber sensor main body (1) is fixedly connected with an output signal line (3), the upper surface of the base (5) is fixedly connected with a support column, the upper surface of the support column is fixedly connected with a stroke plate (7), the upper surface of the stroke plate (7) is fixedly connected with a positioning plate (6), one side of the positioning plate (6) is provided with a sliding hole, a light emitting signal head (8) is inserted into the sliding hole, and the upper surface of the sliding block (10) is fixedly connected with a height positioning mechanism (9);

fixed slide mechanism (4) are including offering in dodging groove (401) of sliding block (10) one side, and the inner wall sliding connection who dodges groove (401) has movable plate (404), and the spout has been seted up to the lower surface of movable plate (404), and the interior roof sliding connection of spout has splint (408), and the interior roof fixedly connected with dead lever (407) of spout, the side of dead lever (407) is rotated and is connected with axis of rotation (409), and one side that two splint (408) are close to each other is provided with rolling assembly (410).

2. A fiber optic sensor for a digital system according to claim 1, wherein: the fixed sliding mechanism (4) further comprises a through hole formed in the lower surface of the sliding block (10), the inner wall of the through hole is rotatably connected with a first positive and negative screw rod (403), one end of the first positive and negative screw rod (403) is fixedly connected with a handle (402), a first rotating hole is formed in the upper surface of the moving plate (404), and the inner wall of the first rotating hole is in threaded connection with the surface of the first positive and negative screw rod (403).

3. A fiber optic sensor for a digital system according to claim 1, wherein: a rotating hole is formed in one side of the moving plate (404), a second positive and negative screw rod (406) is rotatably connected to the inner wall of the rotating hole, a handle (405) is fixedly connected to one end of the second positive and negative screw rod (406), a second rotating hole is formed in one side of the clamping plate (408), and the inner wall of the second rotating hole is in threaded connection with the surface of the second positive and negative screw rod (406).

4. A fiber optic sensor for a digital system according to claim 1, wherein: the rolling component (410) comprises a sliding hole and a mounting groove which are arranged on the opposite surface of the clamping plate (408), an expansion rod (4101) is fixedly connected to the inner wall of the mounting groove, a return spring (4102) is sleeved on the surface of the expansion rod (4101), a sleeve (4103) is fixedly connected to one end of the expansion rod (4101), two ends of the return spring (4102) are respectively fixedly connected with the inner wall of the mounting groove and one side of the sleeve (4103), and a ball (4104) is connected to the inner wall of the sleeve (4103) in a rolling manner.

5. A fiber optic sensor for a digital system according to claim 1, wherein: the height positioning mechanism (9) comprises a limiting plate fixedly connected to the upper surface of the sliding block (10), the upper surface of the limiting plate is fixedly connected with a first fixing block (901), one end of the first fixing block (901) is provided with a placing groove (902), the inner top wall of the placing groove (902) is provided with a T-shaped groove (903), the inner top wall of the T-shaped groove (903) is slidably connected with a sliding block (904), the lower surface of the sliding block (904) is fixedly connected with a second fixing block (906), the front surface of the second fixing block (906) is fixedly connected with a clamping block (905), the front surface of the second fixing block (906) is rotatably connected with a damping rotating shaft, one end of the damping rotating shaft is fixedly connected with a rotating rod (907), one side of the rotating rod (907) is fixedly connected with a clamping head (910), the front surface of the rotating rod (907) is slidably connected with a fixing head (908), one side of the fixing head (908) is provided with a mounting hole, a light signal receiving head (2) is inserted into the mounting hole, the back of the fixed head (908) is fixedly connected with a screw (911), and the surface of the screw (911) is in threaded connection with a rotating block (912).

6. An optical fiber sensor for a digital system according to claim 5, wherein: the back of the second fixing block (906) is provided with a positioning hole (913), the back of the first fixing block (901) is provided with an insertion hole, a positioning pin (914) is inserted in the insertion hole, and the positioning pin (914) is matched with the positioning hole (913).

7. An optical fiber sensor for a digital system according to claim 5, wherein: one side of the fixed head (908) is provided with a positioning groove (909), one side of the positioning plate (6) is provided with an avoiding hole, the inner wall of the avoiding hole is connected with a telescopic push rod (915) in a sliding mode, and the telescopic push rod (915) is matched with the positioning groove (909).