CN215114949U

CN215114949U - Optical fiber pressure gauge

Info

Publication number: CN215114949U
Application number: CN202121735806.7U
Authority: CN
Inventors: 宋成祥; 张航; 张振峰; 蒋绪军; 孟凡龙
Original assignee: Shandong Guang'an Intelligent Technology Co ltd
Current assignee: Shandong Guang'an Intelligent Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-10
Anticipated expiration: 2031-07-28

Abstract

The utility model provides an optical fiber pressure gauge, includes casing (1), casing (1) surface is equipped with dial plate and pointer, casing (1) rear portion is equipped with support frame (2), connect the spring pipe on support frame (2), regulating plate (3) are connected to the spring pipe other end, regulating plate (3) end-to-end connection pull rod, the pull rod drives the pointer axle and rotates, its characterized in that, install cantilever beam (5) on support frame (2), install strain optical fiber on cantilever beam (5), install temperature compensation optic fibre in casing (1), spring pipe one end is kept away from in regulating plate (3) and is connected with the elastic component, the elastic component other end is connected with cantilever beam (5). The utility model discloses fiber pressure gauge can conduct the change of bourdon tube in the manometer to the optic fibre that meets an emergency, and then with data transfer to remote server, makes the long-range pressure numerical value of knowing the manometer mounted position of staff, has realized data remote transmission, safe and reliable moreover.

Description

Optical fiber pressure gauge

Technical Field

The utility model relates to a fiber grating sensing technology field, concretely relates to optical fiber pressure gauge.

Background

The traditional pressure gauge uses an elastic element as a sensitive element, and the elastic deformation of the sensitive element (a Bourdon tube, a diaphragm capsule and a corrugated tube) in the gauge is transmitted to a pointer through a conversion mechanism of a movement in the gauge, so that the pointer is caused to rotate to display the pressure. Instruments that can measure and indicate pressures above ambient are very common and are used throughout almost all industrial processes and scientific research areas.

The numerical value of manometer generally shows through the dial plate, and when using in the ore deposit, the staff need arrive the manometer position and just can read the numerical value on the manometer, can't long-range acquisition manometer numerical value. The fiber grating has the characteristics of high sensitivity, electromagnetic interference resistance, intrinsic safety and the like, and the inventor develops a fiber pressure gauge according to the characteristics of the fiber grating.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an optical fiber pressure gauge can conduct the change of the interior spring pipe of manometer to the optic fibre that meets an emergency, and then with data transfer to remote server, makes the long-range pressure numerical value of understanding the manometer mounted position of staff, has realized data remote transmission, safe and reliable moreover.

The technical scheme of the utility model as follows:

the utility model provides an optical fiber pressure gauge, includes the casing, housing face is equipped with dial plate and pointer, the casing rear portion is equipped with the support frame, connect the spring pipe on the support frame, the regulating plate is connected to the spring pipe other end, the regulating plate end is connected with the pull rod perpendicularly, the terminal latch of pull rod and the epaxial external gear engagement of pointer, the support frame top is equipped with the gyroid piece, the pointer axle is connected with gyroid piece, support frame, and when the spring pipe produced deformation, the spring pipe can drive the regulating plate action, drives the pull rod action then, the pull rod drives the pointer axle and rotates.

Further, install the cantilever beam on the support frame, install strain optical fiber on the cantilever beam, install temperature compensation optic fibre in the casing, the regulating plate is kept away from spring pipe one end and is connected with the elastic component, the elastic component other end is connected with the cantilever beam. When the adjusting plate acts, the spring pulling cantilever beam can be driven to deform together, so that the fiber bragg grating is caused to change, and a worker can remotely know the pressure change condition of the current position.

Furthermore, a fixing plate is arranged at the lower part of the support frame, and the cantilever beam is installed on the fixing plate.

Furthermore, the fixed plate comprises an L-shaped structure, a vertical surface is connected with the support frame through a bolt, a cantilever beam is installed on a horizontal surface, and the cantilever beam is horizontally arranged.

According to the optical fiber pressure gauge, one end, far away from the spring tube, of the adjusting plate is sequentially provided with the sliding groove and the connecting hole, the connecting hole is located at the outer end of the sliding groove, the pin shaft penetrates through the sliding groove and is used for being connected with the pull rod, and the connecting hole is used for being connected with the elastic piece.

Furthermore, the cantilever beam is kept away from fixed plate one end trompil for be connected with the elastic component. The elastic member includes a spring.

Furthermore, the included angle formed by the axis of the spring and the adjusting plate ranges from 0 degree to 10 degrees. Preferably, when the spring tube is in the initial state, the adjusting plate is arranged in parallel with the spring, so that the cantilever beam can be pulled conveniently.

The utility model discloses for prior art gained beneficial effect lie in: the utility model relates to an optical fiber pressure gauge can conduct the change of the interior bourdon tube of manometer to the optic fibre that meets an emergency, and then with data transfer to remote server, makes the long-range pressure numerical value of knowing the manometer mounted position of staff, has realized data remote transmission, safe and reliable moreover.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.

In the drawings:

FIG. 1 is a schematic structural diagram of an optical fiber pressure gauge according to an embodiment;

FIG. 2 is a side view of FIG. 1 in the example;

FIG. 3 is a schematic view of the connection position of the adjustment plate and the spring;

the components represented by the reference numerals in the figures are:

1. the device comprises a shell, 2, a support frame, 3, an adjusting plate, 31, a sliding groove, 32, a connecting hole, 4, a spring, 5, a cantilever beam, 6 and a fixing plate.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.

The directions mentioned in the present invention, front and back, left and right, etc., are only used to express the relative position relationship, and are not restricted by any specific direction reference in practical application.

Example 1

Referring to fig. 1 and 2, an optical fiber pressure gauge comprises a shell 1, wherein a dial plate and a pointer are arranged on the surface of the shell 1, a support frame 2 is arranged at the rear part of the shell 1, a spring tube is connected onto the support frame 2, the other end of the spring tube is connected with an adjusting plate 3, the tail end of the adjusting plate 3 is vertically connected with a pull rod, a clamping tooth at the tail end of the pull rod is meshed with an external gear on a pointer shaft, the top of the support frame 2 is located at the center of the shell 1, a gyrotron is arranged on the support frame, the pointer shaft is connected with the gyrotron and the support frame 2, when the spring tube deforms, the spring tube can drive the adjusting plate 3 to act, then the pull rod is driven to act, and the pull rod drives the pointer shaft to rotate. The specific working principle of the part is the same as that of the shock-proof pressure gauge on the market, and the detailed description is omitted here.

Furthermore, the lower part of the support frame 2 is provided with a fixed plate 6 on which a cantilever beam 5 is arranged. The fixed plate 6 and the cantilever beam 5 are both positioned in the shell 1. And a bolt hole is formed in the vertical section of the support frame 2 and used for fixing the fixing plate 6.

Further, the fixed plate 6 comprises an L shape, a vertical surface is connected with the support frame 2 through a bolt, a cantilever beam 5 is installed on a horizontal surface, and the cantilever beam 5 is horizontally arranged.

Furthermore, the rear part of the cantilever beam 5 is fixedly connected with the fixing plate 6, a groove is formed in the middle of the cantilever beam and used for placing a strain optical fiber, and a temperature compensation optical fiber is installed in the shell 1. The top of the cantilever beam 5 is provided with an opening.

Further, a spring 4 is connected between the top of the cantilever beam 5 and the lower part of the adjusting plate 3. One end of the spring is hooked at the lower part of the adjusting plate 3, and the other end of the spring is connected with an opening at the top of the cantilever beam 5. When adjusting plate 3 moved, can drive spring 4 pulling cantilever beam 5 in the lump and take place deformation, arouse fiber grating to change then, the staff can long-rangely know the current position pressure change condition.

Below combine fig. 3, 4 pipe one ends of spring are kept away from to regulating plate 3 are equipped with sliding tray 31 and connecting hole 32 in proper order, connecting hole 32 is located sliding tray 31 outer end, sliding tray 31 is the long circle, has worn the round pin axle in it for be connected with the pull rod, connecting hole 32 is used for being connected with spring 4.

Furthermore, the included angle formed by the axis of the spring 4 and the adjusting plate 3 ranges from 0 degree to 10 degrees. Preferably, when the spring 4 tube is in the initial state, the adjusting plate 3 is arranged in parallel with the spring 4, so as to facilitate the pulling of the cantilever beam 5.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an optical fiber pressure gauge, includes casing (1), casing (1) surface is equipped with dial plate and pointer, casing (1) rear portion is equipped with support frame (2), connect the spring pipe on support frame (2), regulating plate (3) are connected to the spring pipe other end, regulating plate (3) end-to-end connection pull rod, the pull rod drives the pointer axle and rotates, its characterized in that, install cantilever beam (5) on support frame (2), install strain optical fiber on cantilever beam (5), install temperature compensation optic fibre in casing (1), spring pipe one end is kept away from in regulating plate (3) and is connected with the elastic component, the elastic component other end is connected with cantilever beam (5).

2. The optical fiber pressure gauge according to claim 1, wherein a fixing plate (6) is disposed at a lower portion of the supporting frame (2), and the cantilever beam (5) is mounted on the fixing plate (6).

3. An optical fiber pressure gauge according to claim 2, wherein the fixing plate (6) has an L-shape, a vertical surface is connected with the supporting frame (2), and a cantilever beam (5) is installed on a horizontal surface.

4. A fibre-optic pressure gauge according to claim 3, characterized in that the cantilever beam (5) is arranged horizontally.

5. The optical fiber pressure gauge according to any one of claims 1 to 4, wherein a sliding groove (31) and a connecting hole (32) are sequentially formed in one end, away from the spring tube, of the adjusting plate (3), the connecting hole (32) is located at the outer end of the sliding groove (31), a pin shaft penetrates through the sliding groove (31) and is used for being connected with the pull rod, and the connecting hole (32) is used for being connected with the elastic piece.

6. A fibre-optic pressure gauge according to claim 5, characterized in that the end of the cantilever beam (5) remote from the fixed plate (6) is open for connection to the resilient member.

7. A fibre-optic pressure gauge according to claim 6, characterized in that the resilient member comprises a spring (4).

8. The fiber pressure gauge according to claim 7, wherein the included angle between the axis of the spring (4) and the adjusting plate (3) is in the range of 0-10 degrees.