Adjustable optical fiber hydrophone array pressure test device

Abstract

The utility model discloses an adjustable optical fiber hydrophone array pressure testing device which comprises a testing device body, an optical fiber hydrophone array body and a booster pump installed on the front side of the testing device body, an adjusting mechanism is arranged at the lower end of the testing device body, and the adjusting mechanism comprises a movable column, a lower connecting plate and a movable rod. The adjusting mechanism drives the optical fiber hydrophone array body to form a lifting structure in the test device main body, and the top plate is clamped at the upper end of the test device main body. According to the adjustable optical fiber hydrophone array pressure test device, the optical fiber hydrophone array body can be conveniently driven to enter the test device main body to be supported, the optical fiber hydrophone array body can be placed and limited, the arrangement of the top plate and the upper connecting plate is combined, the optical fiber hydrophone array body can be conveniently fixed in the test device main body, and the test efficiency is improved. The stability in the test process is improved, and the overall stability in the detection process is very good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of optical fiber hydrophone array pressure test, concretely is a kind of adjustable optical fiber hydrophone array pressure test device. BACKGROUND

[0002] Optical fiber hydrophone array refers to a kind of underwater acoustic signal sensor based on optical fiber sensing and optoelectronic technology, mainly used for detecting and analyzing underwater acoustic signal, in order to guarantee the normal stable use of optical fiber hydrophone array, it needs to carry out pressure test detection, thus needs to complete by means of corresponding pressure test device;

[0003] For example, the publication number CN209460046U discloses a kind of optical fiber hydrophone array pressure test device, including optical fiber hydrophone array and high-pressure container, optical fiber hydrophone array is placed in high-pressure container;High-pressure container is equipped with water inlet valve and optical fiber perforation, and optical fiber perforation is used to lead out the transmission optical fiber of optical fiber hydrophone array;It also includes pressure pump, pressure pump is connected high-pressure container, for lifting the pressure in high-pressure container.The optical fiber hydrophone array pressure test device provided by the utility model makes optical fiber hydrophone array in high-pressure water environment, simulates seabed high-pressure environment, detects the reliability and durability of each component of optical fiber hydrophone array in simulated seabed high-pressure environment, and the device is simple and practical, easy to operate;

[0004] However, in the prior art, there are problems that the placement and taking of optical fiber hydrophone array are inconvenient during detection, the limiting effect is poor, the sealing effect in the detection process needs to be improved, and the connection and disassembly between optical fiber hydrophone array and external test detection device are relatively complicated, for example, the above-mentioned comparative patent has the problem;

[0005] Therefore, we propose a kind of adjustable optical fiber hydrophone array pressure test device to solve the above problems. INVENTION CONTENTS

[0006] The utility model aims at providing a kind of adjustable optical fiber hydrophone array pressure test device to solve the above problems in the background art, the placement and taking of optical fiber hydrophone array are inconvenient during detection, the limiting effect is poor, the sealing effect in the detection process needs to be improved, and the connection and disassembly between optical fiber hydrophone array and external test detection device are relatively complicated.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable optical fiber hydrophone array pressure test device, including test device main body, optical fiber hydrophone array body and be installed in the booster pump of the test device main body front side, the lower end of the test device main body is fixedly connected with support plate, the upper end of the booster pump is provided with pressure gauge;

[0008] A water inlet valve is arranged on the front side of the upper end of the test device body, and a water outlet valve is arranged on the front side of the lower end of the test device body.

[0009] Further comprising:

[0010] An adjusting mechanism is arranged on the lower end of the test device body, and the adjusting mechanism comprises a movable column, a lower connecting plate and a movable rod, and the adjusting mechanism drives the fiber hydrophone array body to form a lifting structure in the test device body;

[0011] A top plate is snap-fitted on the upper end of the test device body, and a sealing ring is arranged between the top plate and the test device body, the lower end of the top plate is fixedly connected with an upper connecting plate, and the upper connecting plate is snap-fitted on the upper end of the fiber hydrophone array body.

[0012] Preferably, the lower end of the test device body is telescopically connected with a movable column in a vertical state, and a sealing rubber sleeve is arranged between the movable column and the test device body, the upper end of the movable column is fixedly connected with a lower connecting plate, and the lower connecting plate is snap-fitted on the lower end of the fiber hydrophone array body.

[0013] Preferably, the left and right sides of the lower end of the movable column are fixedly connected with movable rods, and the movable rods are respectively slidably connected to the left and right ends of the support plate.

[0014] The outer sides of the left and right ends of the support plate are provided with protrusions at equal intervals for supporting and limiting.

[0015] Preferably, the outer side of the movable rod is fixedly connected with a handle, and the movable rod and the auxiliary rod form a left-right sliding structure, and the front and rear ends of the auxiliary rod are sleeved with springs.

[0016] Preferably, the auxiliary rod is snap-fitted with the protrusions at the corresponding positions.

[0017] Preferably, the upper end of the top plate is provided with a pressing plate at equal angles for limiting, and the pressing plate is arranged in close contact with the top plate, and the pressing plate is hingedly connected to the outer side of the upper end of the test device body.

[0018] Preferably, the middle part of the pressing plate is provided with a mounting rod, and the mounting rod is fixedly connected to the upper end of the test device body, and the outer surface of the mounting rod is threadedly connected with a mounting cap, and the mounting cap is arranged in close contact with the side of the pressing plate.

[0019] Preferably, the mounting cap together with the mounting rod and the pressing plate drives the top plate to form a dismounting structure on the upper end of the test device body.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: The adjustable fiber optic hydrophone array pressure testing device, through the setting of the adjustment mechanism, allows the lower end of the fiber optic hydrophone array body to engage in the lower connecting plate. Combined with the movable column and the lower connecting plate, it drives the fiber optic hydrophone array body to move in the main body of the testing device, which facilitates the movement of the fiber optic hydrophone array body into the main body of the testing device for support, realizing the placement and limiting of the fiber optic hydrophone array body. Combined with the setting of the top plate and the upper connecting plate, it is easy to fix the fiber optic hydrophone array body in the main body of the testing device, improving the stability during the test process. Moreover, the overall stability during the testing process is very good.

[0021] 1. An adjustment mechanism is provided, which includes a movable column, a lower connecting plate, and a movable rod. The adjustment mechanism facilitates the up-and-down movement of the fiber optic hydrophone array body within the main body of the test device and supports material handling.

[0022] 2. It is equipped with a top plate and an upper connecting plate. The top plate is engaged at the upper end of the main body of the test device, and the top plate drives the upper connecting plate to engage at the upper end of the fiber optic hydrophone array body, thereby facilitating the limiting of the fiber optic hydrophone array body and improving the stability of the fiber optic hydrophone array body during the test.

[0023] 3. It is equipped with a pressure plate, mounting rod and mounting cap. The pressure plate, mounting rod and mounting cap are designed to facilitate the positioning of the top plate and the main body of the test device, facilitate the disassembly of the top plate, and facilitate the removal of the fiber optic hydrophone array body from the main body of the test device after the test. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0026] Figure 3 This is an exploded view of the support plate and adjustment mechanism of this utility model;

[0027] Figure 4 This is a top view of the movable rod, handle, and auxiliary rod of this utility model;

[0028] Figure 5 This is a frontal sectional view of the present invention.

[0029] Figure 6 This is an exploded structural diagram of the main body of the experimental device of this utility model, the fiber optic hydrophone array body and the lower connecting plate;

[0030] Figure 7The utility model discloses a top plate and upper connecting plate view structure schematic diagram

[0031] Figure 8 The utility model discloses a Figure 1 The utility model discloses a middle B place amplification structure schematic diagram.

[0032] In the drawing: 1, test device main part, 2, support plate, 3, adjusting mechanism, 4, movable column, 5, lower connecting plate, 6, movable rod, 7, handle, 8, auxiliary rod, 9, spring, 10, lug, 11, optical fiber hydrophone array body, 12, top plate, 13, upper connecting plate, 14, pressing plate, 15, mounting rod, 16, mounting cap, 17, booster pump. Specific embodiments

[0033] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0034] Please refer to Figures 1-8 The utility model provides the following technical scheme.

[0035] Embodiment 1: in order to solve the problem that the existing technology is inconvenient to place and take the optical fiber hydrophone array when detecting, the limiting effect is poor, and the sealing effect in the detection process needs to be improved, therefore, the technical scheme is as follows: a kind of adjustable optical fiber hydrophone array pressure test device, it is provided with test device main part 1, support plate 2, adjusting mechanism 3, handle 7, auxiliary rod 8, spring 9, lug 10 and optical fiber hydrophone array body 11, the lower end of test device main part 1 is fixedly connected with support plate 2, adjusting mechanism 3 is arranged at the lower end of test device main part 1, and adjusting mechanism 3 includes movable column 4, lower connecting plate 5 and movable rod 6, adjusting mechanism 3 drives optical fiber hydrophone array body 11 to constitute lifting structure in test device main part 1, the lower end of test device main part 1 is telescopically connected with movable column 4 in vertical state, and sealing rubber sleeve is arranged between movable column 4 and test device main part 1, the upper end of movable column 4 is fixedly connected with lower connecting plate 5, and lower connecting plate 5 is clamped and arranged at the lower end of optical fiber hydrophone array body 11, movable rod 6 is fixedly connected on the left and right sides of the lower end of movable column 4, and movable rod 6 is slidably connected at the left and right ends of support plate 2, the outer side of the left and right ends of support plate 2 is equally spaced and provided with lug 10 for supporting and limiting, handle 7 is fixedly connected on the outer side of movable rod 6, and movable rod 6 and auxiliary rod 8 constitute left and right sliding structure, spring 9 is sleeved on the front and rear ends of auxiliary rod 8, and auxiliary rod 8 and corresponding lug 10 are clamped and connected, as shown inFigure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown in the figure, first, the lower connecting plate 5 is moved upward to the highest position by pulling the movable column 4 upward, then the fiber-optic hydrophone array body 11 to be detected is directly inserted into the test device main body 1, and the lower end of the fiber-optic hydrophone array body 11 is clamped in the lower connecting plate 5, then the hand-held handle 7 is pulled, the auxiliary rod 8 slides between the movable rod 6, the auxiliary rod 8 extrudes the spring 9, the spring 9 is elastically deformed, the auxiliary rod 8 is separated from the protrusion 10, the movable rod 6 and the supporting plate 2 are released, the movable rod 6 is pulled downward, the movable rod 6 and the supporting plate 2 slide, the movable rod 6 drives the movable column 4 to slide at the bottom of the test device main body 1, the lower connecting plate 5 drives the fiber-optic hydrophone array body 11 to move downward to the bottom of the test device main body 1, the position of the fiber-optic hydrophone array body 11 is adjusted, the lower connecting plate 5 drives the fiber-optic hydrophone array body 11 to be completely placed in the test device main body 1, then the auxiliary rod 8 is directly released, the spring 9 restores the elastic deformation, the auxiliary rod 8 is clamped between the corresponding protrusion 10, and the movable rod 6 and the supporting plate 2 are limited.

[0036] Embodiment 2: In order to solve the problem that the connection and disassembly between the fiber-optic hydrophone array and the external test detection device are relatively complicated in the prior art, therefore, the technical scheme is as follows, a adjustable fiber-optic hydrophone array pressure test device is provided with a top plate 12, an upper connecting plate 13, a pressing plate 14, an installation rod 15 and an installation cap 16, the top plate 12 is clamped and arranged at the upper end of the test device main body 1, and a sealing ring is arranged between the top plate 12 and the test device main body 1, the lower end of the top plate 12 is fixedly connected with the upper connecting plate 13, and the upper connecting plate 13 is clamped and connected at the upper end of the fiber-optic hydrophone array body 11, the upper end of the top plate 12 is arranged at equal angles with the pressing plate 14 for limiting, and the pressing plate 14 is arranged in close contact with the top plate 12, the pressing plate 14 is hingedly connected to the outer side of the upper end of the test device main body 1, the installation rod 15 is penetratingly arranged in the middle part of the pressing plate 14, and the installation rod 15 is fixedly connected to the upper end of the test device main body 1, the installation cap 16 is threadedly connected to the outer surface of the installation rod 15, and the installation cap 16 is arranged in close contact with the side of the pressing plate 14, the installation cap 16, the installation rod 15 and the pressing plate 14 drive the top plate 12 to form a disassembly structure at the upper end of the test device main body 1, like Figure 5 、 Figure 6 、 Figure 7 and Figure 8As shown, then the top plate 12 is engaged in the upper end of the test device body 1, while the top plate 12 drives the upper connecting plate 13 to engage the upper end of the fiber optic hydrophone array body 11, and then the fiber optic hydrophone array body 11 is fixed in the test device body 1, and the stability of the fiber optic hydrophone array body 11 in the test process is improved, and then the pressing plate 14 is turned up, the pressing plate 14 is rotated at the upper end of the test device body 1, the pressing plate 14 is connected between the pressing plate 14 and the mounting rod 15, and the pressing plate 14 is arranged in close contact with the top plate 12, and the top plate 12 is pressed and positioned, and then the mounting cap 16 threaded on the outer surface of the mounting rod 15 is rotated to be attached to the side of the pressing plate 14, and the top plate 12 is limited.

[0037] Embodiment 3: In order to solve the problems existing in the prior art, therefore, the embodiment is realized through the following technical scheme, a adjustable fiber optic hydrophone array pressure test device is provided with a booster pump 17, the front side of the test device body 1 is fixedly provided with the booster pump 17, and the upper end of the booster pump 17 is provided with a pressure gauge, and the front side of the upper end of the test device body 1 is provided with a water inlet valve, and the front side of the lower end of the test device body 1 is provided with a drain valve, as Figure 1 and Figure 6 As shown, then the top plate 12 is engaged in the upper end of the test device body 1, while the top plate 12 drives the upper connecting plate 13 to engage the upper end of the fiber optic hydrophone array body 11, and then the fiber optic hydrophone array body 11 is fixed in the test device body 1, and the stability of the fiber optic hydrophone array body 11 in the test process is improved, and then the pressing plate 14 is turned up, the pressing plate 14 is rotated at the upper end of the test device body 1, the pressing plate 14 is connected between the pressing plate 14 and the mounting rod 15, and the pressing plate 14 is arranged in close contact with the top plate 12, and the top plate 12 is pressed and positioned, and then the mounting cap 16 threaded on the outer surface of the mounting rod 15 is rotated to be attached to the side of the pressing plate 14, and the top plate 12 is limited.

[0038] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An adjustable fiber-optic hydrophone array pressure test device, comprising a test device body (1), a fiber-optic hydrophone array body (11), and a booster pump (17) mounted on the front side of the test device body (1), the lower end of the test device body (1) is fixedly connected with a support plate (2), and the upper end of the booster pump (17) is provided with a pressure gauge; a water inlet valve is arranged on the front side of the upper end of the test device body (1), and a water outlet valve is arranged on the front side of the lower end of the test device body (1); characterized in that Further comprising: an adjusting mechanism (3) arranged at the lower end of the test device body (1), and the adjusting mechanism (3) comprises a movable column (4), a lower connecting plate (5), and a movable rod (6), the adjusting mechanism (3) drives the fiber-optic hydrophone array body (11) to constitute a lifting structure in the test device body (1); a top plate (12) is snap-fitted on the upper end of the test device body (1), and a sealing ring is arranged between the top plate (12) and the test device body (1), the lower end of the top plate (12) is fixedly connected with an upper connecting plate (13), and the upper connecting plate (13) is snap-fitted on the upper end of the fiber-optic hydrophone array body (11).

2. The adjustable fiber-optic hydrophone array pressure test apparatus of claim 1, wherein: The lower end of the test device body (1) is telescopically connected with a movable column (4) in a vertical state, and a sealing rubber sleeve is arranged between the movable column (4) and the test device body (1), the upper end of the movable column (4) is fixedly connected with a lower connecting plate (5), and the lower connecting plate (5) is snap-fitted on the lower end of the fiber-optic hydrophone array body (11).

3. A pressure testing apparatus for an adjustable fiber optic hydrophone array as claimed in claim 2, wherein: The left and right sides of the lower end of the movable column (4) are fixedly connected with movable rods (6), and the movable rods (6) are respectively slidably connected to the left and right ends of the support plate (2); wherein the outer sides of the left and right ends of the support plate (2) are equally spaced to be provided with protrusions (10) for supporting and limiting.

4. The adjustable fiber optic hydrophone array pressure test apparatus of claim 3, wherein: The outer side of the movable rod (6) is fixedly connected with a handle (7), and the movable rod (6) and the auxiliary rod (8) constitute a left-right sliding structure, and the front and rear ends of the auxiliary rod (8) are sleeved with springs (9).

5. A pressure testing apparatus for an adjustable fiber optic hydrophone array as claimed in claim 4, wherein: The auxiliary rod (8) is snap-fitted with the protrusions (10) at the corresponding positions.

6. The adjustable fiber optic hydrophone array pressure test apparatus of claim 1, wherein: The upper end of the top plate (12) is equally angularly provided with a pressure plate (14) for limiting, and the pressure plate (14) is arranged in close contact with the top plate (12), and the pressure plate (14) is hingedly connected to the outer side of the upper end of the test device body (1).

7. A pressure testing device for an adjustable fiber optic hydrophone array as claimed in claim 6, wherein: A mounting rod (15) is penetratingly arranged in the middle of the pressure plate (14), and the mounting rod (15) is fixedly connected to the upper end of the test device body (1), the outer surface of the mounting rod (15) is threadedly connected with a mounting cap (16), and the mounting cap (16) is arranged in close contact with the side of the pressure plate (14).

8. The adjustable fiber optic hydrophone array pressure test apparatus of claim 7, wherein: The mounting cap (16) together with the mounting rod (15) and the pressure plate (14) drives the top plate (12) to constitute a dismounting structure at the upper end of the test device body (1).

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