Pressure sensor for underwater pressure detection

Abstract

The utility model discloses a pressure sensor used for underwater pressure detection, comprising a mounting rack and a pressure sensing assembly, the bottom of the pressure sensing assembly is fixedly connected with a cross rod, two ends of the cross rod are fixedly connected with a frame body, a movable ring is provided with two through holes, the bottom end of a vertical rod movably passes through the adjacent through holes, and the bottom end of the vertical rod is fixedly connected with the frame body. According to the pressure sensor for underwater pressure detection, in the use process, when water flows, the floating plate moves up and down along with the water, when the floating plate moves upwards, the movable ring is pulled to move upwards through the second rope, and when the floating plate moves downwards, the movable ring moves downwards under the action of gravity; according to the device, electric energy consumption does not need to be increased, the use cost of the pressure sensor is effectively reduced, the device effectively avoids the problems that the pressure sensor fails and monitoring is affected due to the fact that sludge and impurities adhere to the pressure sensor, and the device is suitable for popularization and application. And the practicability of the device body is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure sensors, in particular to a pressure sensor for underwater pressure detection. Background Art

[0002] In order to improve the monitoring of rivers, lakes and reservoirs, water conservancy monitoring personnel will install pressure sensing equipment in the monitored water, use pressure sensors to measure water depth, and understand changes in river water rise through changes in water pressure measurement. The surface materials of the pressure sensors are all anti-corrosion materials to prevent the surface of the pressure sensors from being corroded by river water. The current pressure sensors will be blocked by sludge or impurities in the water after being placed in water for a long time, or the sensing area of ​​the pressure sensor will breed shellfish and attached impurities, affecting the normal monitoring of the pressure sensor. The installation of cleaning equipment requires increased energy consumption, which increases the cost of using the pressure sensor, which is very inconvenient. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, one of the objectives of the present invention is to provide a pressure sensor for underwater pressure detection.

[0004] One of the purposes of the utility model is achieved by the following technical solution:

[0005] A pressure sensor for underwater pressure detection comprises a mounting frame and a pressure sensing assembly, wherein a cross bar is fixedly connected to the bottom of the pressure sensing assembly, both ends of the cross bar are fixedly connected to a frame, the frame is movably sleeved on the outer edge of the mounting frame, a movable ring is movably sleeved on the outer edge of the pressure sensing assembly, a plurality of brushes are fixedly connected to the inner side of the movable ring, a connecting rod is provided at the top of the pressure sensing assembly, a vertical rod is fixedly connected to the bottom of the connecting rod near the left and right ends, two through holes are provided on the movable ring, the bottom end of the vertical rod movably passes through adjacent through holes and is fixedly connected to the top of the cross bar, a first rope is fixedly connected to the top of the connecting rod, the first rope is wound around the outer edge of the mounting frame, the top of the movable ring is fixedly connected to the second rope near the front and rear sides, a fixing ring is provided on the front and rear sides of the mounting frame, the left and right sides of the fixing ring are fixedly connected to the fixing rod, the top end of the second rope movably passes through adjacent fixing rings and is fixedly connected to a floating plate.

[0006] Furthermore, the vertical rod and the through hole match each other, and a limiting ring is fixedly sleeved on the outer edge of the vertical rod near the top end, and the bottom of the limiting ring is flush with the top of the pressure sensor assembly.

[0007] Furthermore, a straight rod is fixedly connected to the bottom of the fixing rod, the straight rod is fixedly connected to the adjacent frame, and the cross section of the fixing rod is L-shaped.

[0008] Furthermore, a plurality of the brushes are arranged in an arc array with the center of the movable ring as the center of the circle, and the brushes are in contact with the outer side of the pressure sensor assembly.

[0009] Furthermore, the bottom end of the mounting frame is configured as a pointed end, and the cross section of the mounting frame is U-shaped.

[0010] Furthermore, a sensing end is provided on the front side of the pressure sensing assembly.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is a pressure sensor for underwater pressure detection. During use, the mounting frame is first plugged into the bottom of the water, and then the first rope is untied, and the first rope is retracted to adjust the depth of the pressure sensing component in the water. During this process, the first rope drives the connecting rod to move, and the connecting rod drives the pressure sensing component to move through the vertical rod and the horizontal rod, and the horizontal rod drives the straight rod, the fixed rod, and the fixed ring to move through the frame. After the pressure sensing component is adjusted to a suitable depth, the first rope is tied to the top of the mounting frame;

[0013] 2. The utility model is a pressure sensor for underwater pressure detection. During use, when the water flows, the float moves up and down with the water flow. When the float moves upward, the movable ring is pulled upward by the second rope. When the float moves downward, the movable ring moves downward under the action of gravity. When the movable ring moves up and down, it drives the brush to clean the attachments attached to the sensing end. The device does not need to increase the power consumption, effectively reduces the use cost of the pressure sensor, and the device effectively avoids the problem of malfunction of the pressure sensor and the influence of monitoring due to the attachment of sludge and impurities, effectively improving the practicality of the device body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 A three-dimensional diagram of the crossbar component of the utility model;

[0016] Figure 3 It is a three-dimensional diagram of the component frame of the utility model;

[0017] Figure 4 A three-dimensional diagram of a connecting rod of the utility model component;

[0018] Figure 5 It is a stereoscopic diagram of the movable ring of the utility model component.

[0019] Numbers in the figure: 1. Mounting frame; 2. Pressure sensing assembly; 3. Cross bar; 4. Frame; 5. Movable ring; 6. Connecting rod; 7. Vertical rod; 8. Perforation; 9. Limiting ring; 10. Brush; 11. Sensing end; 12. First rope; 13. Second rope; 14. Fixed ring; 15. Fixed rod; 16. Floating plate; 17. Straight rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides a technical solution: a pressure sensor for underwater pressure detection, comprising a mounting frame 1 and a pressure sensing assembly 2, a sensing end 11 is arranged on the front side of the pressure sensing assembly 2, the bottom end of the mounting frame 1 is a pointed end, the cross section of the mounting frame 1 is U-shaped, a cross bar 3 is fixedly connected to the bottom of the pressure sensing assembly 2, both ends of the cross bar 3 are fixedly connected to a frame 4, the frame 4 is movably sleeved on the outer edge of the mounting frame 1, a movable ring 5 is movably sleeved on the outer edge of the pressure sensing assembly 2, a plurality of brushes 10 are fixedly connected to the inner side of the movable ring 5, the plurality of brushes 10 are arranged in an arc array with the center of the movable ring 5 as the center, and the brushes 10 are mutually fitted with the outer side of the pressure sensing assembly 2;

[0022] A connecting rod 6 is provided at the top of the pressure sensing assembly 2, and a vertical rod 7 is fixedly connected to the bottom of the connecting rod 6 near the left and right ends. Two through holes 8 are provided on the movable ring 5, and the bottom end of the vertical rod 7 movably passes through the adjacent through holes 8 and is fixedly connected to the top of the cross bar 3. The vertical rod 7 and the through holes 8 match each other. A limiting ring 9 is fixedly sleeved near the top of the outer edge of the vertical rod 7, and the bottom of the limiting ring 9 is flush with the top of the pressure sensing assembly 2. A first rope 12 is fixedly connected to the top of the connecting rod 6, and the first rope 12 is wound around the outer edge of the mounting frame 1. The top of the movable ring 5 is fixedly connected to the second rope 13 near the front and rear sides. A fixing ring 14 is provided on the front and rear sides of the mounting frame 1, and a fixing rod 15 is fixedly connected to the left and right sides of the fixing ring 14. A straight rod 17 is fixedly connected to the bottom of the fixing rod 15, and the straight rod 17 is fixedly connected to the adjacent frame 4. The cross section of the fixing rod 15 is L-shaped, and the top of the second rope 13 movably passes through the adjacent fixing ring 14 and is fixedly connected to a floating plate 16.

[0023] Working principle: The utility model is a pressure sensor for underwater pressure detection. During use, the mounting frame 1 is first plugged into the bottom of the water, and then the first rope 12 is untied, and the first rope 12 is retracted to adjust the depth of the pressure sensing component 2 in the water. During this process, the first rope 12 drives the connecting rod 6 to move, and the connecting rod 6 drives the pressure sensing component 2 to move through the vertical rod 7 and the horizontal rod 3. The horizontal rod 3 drives the straight rod 17, the fixed rod 15, and the fixed ring 14 to move through the frame 4. After the pressure sensing component 2 is adjusted to a suitable depth, the first rope 12 is tied to the top of the mounting frame 1. At this time, the float 16 is immersed in water. When the water flows, the float 16 moves up and down with the water. When the float 16 moves upward, the movable ring 5 is pulled upward by the second rope 13. When the float 16 moves downward, the movable ring 5 moves downward under the action of gravity. When the movable ring 5 moves up and down, it drives the brush 10 to clean the attachments attached to the sensing end. The device does not need to increase the power consumption, effectively reduces the use cost of the pressure sensor, and effectively avoids the problem of malfunction of the pressure sensor and the impact on monitoring due to the attachment of sludge and impurities, effectively improving the practicality of the device body.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0029] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A pressure sensor for underwater pressure detection, comprising a mounting frame and a pressure sensing assembly, characterized in that: The bottom of the pressure sensing assembly is fixedly connected to a cross bar, both ends of the cross bar are fixedly connected to a frame, the frame movably sleeved on the outer edge of the mounting frame, the outer edge of the pressure sensing assembly movably sleeved with a movable ring, the inner side of the movable ring is fixedly connected to a plurality of brushes, the top of the pressure sensing assembly is provided with a connecting rod, the bottom of the connecting rod near the left and right ends are fixedly connected to vertical rods, two through holes are provided on the movable ring, the bottom end of the vertical rod movably passes through adjacent through holes and is fixedly connected to the top of the cross bar, the top of the connecting rod is fixedly connected to a first rope, the first rope is wrapped around the outer edge of the mounting frame, the top of the movable ring is fixedly connected to the second rope near the front and rear sides, the front and rear sides of the mounting frame are provided with fixed rings, the left and right sides of the fixed ring are fixedly connected to fixed rods, the top of the second rope movably passes through adjacent fixed rings and is fixedly connected to a floating plate.

2. A pressure sensor for underwater pressure detection as claimed in claim 1, characterized in that: The vertical rod and the through hole match each other, and a limiting ring is fixedly sleeved on the outer edge of the vertical rod near the top end, and the bottom of the limiting ring is flush with the top of the pressure sensor assembly.

3. A pressure sensor for underwater pressure detection as claimed in claim 1, characterized in that: A straight rod is fixedly connected to the bottom of the fixing rod, the straight rod is fixedly connected to the adjacent frame, and the cross section of the fixing rod is L-shaped.

4. A pressure sensor for underwater pressure detection as claimed in claim 1, characterized in that: A plurality of the brushes are arranged in an arc array with the center of the movable ring as the center of the circle, and the brushes are in contact with the outer side of the pressure sensor component.

5. A pressure sensor for underwater pressure detection as claimed in claim 1, characterized in that: The bottom end of the mounting frame is arranged as a pointed end, and the cross section of the mounting frame is U-shaped.

6. A pressure sensor for underwater pressure detection as claimed in claim 1, characterized in that: A sensing end is provided on the front side of the pressure sensing component.

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