CN220670892U

CN220670892U - Underwater flow field monitoring device

Info

Publication number: CN220670892U
Application number: CN202322352640.6U
Authority: CN
Inventors: 沈尧; 周鹏; 刘浩
Original assignee: Tianquan Hui Yuan Environmental Protection Technology Co ltd Of Wuhan City
Current assignee: Tianquan Hui Yuan Environmental Protection Technology Co ltd Of Wuhan City
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-03-26
Anticipated expiration: 2033-08-31

Abstract

The utility model provides an underwater flow field monitoring device, which comprises: base, connecting rod, carrier, fin and pressure sensor, connecting rod one end rotates and sets up in the base inboard, and the one end that the connecting rod is located the base outside is with carrier fixed connection, and carrier length direction is perpendicular with connecting rod axis direction, and the one end demountable installation of carrier has pressure sensor, and the one end side fixed mounting that pressure sensor was kept away from to the carrier has the fin, and the fin lies in the plane and is parallel with carrier length direction and connecting rod axis direction simultaneously. The pressure sensor is arranged on the carrier, and the carrier can rotate along with the change of the water flow direction, so that the pressure sensor can more accurately detect the pressure of the water flow, and the monitoring accuracy is improved.

Description

Underwater flow field monitoring device

Technical Field

The utility model relates to the technical field of environment monitoring equipment, in particular to an underwater flow field monitoring device.

Background

The monitoring of the underwater flow field is an important scientific basis for grasping the dynamic information of surface water, developing water management and protection, implementing the optimal configuration of water resources and reasonably developing and utilizing.

The motion law of a water flow field caused by the change of the environment, quality and quantity of surface water can not be directly observed, and the general monitoring method is single and is difficult to monitor the dynamic information of water flow of a branch pipe, and Chinese patent CN204359355U discloses a measuring device, wherein a pressure sensor is fixedly arranged on an end cover of a base, and when the direction of water flow changes, the sensing head of the pressure sensor can not be adjusted along with the change of the direction of water flow, so that the pressure sensor can not detect the pressure change in the direction of water flow, and the collection of monitoring data is limited.

In view of this, there is a need for a device that can be repositioned as the direction of the water flow changes and that is being pressure monitored.

Disclosure of Invention

In view of the above, the utility model provides an underwater flow field monitoring device, which aims to meet more comprehensive hydrological data monitoring requirements through more reasonable structural design.

The technical scheme of the utility model is realized as follows: the utility model provides an underwater flow field monitoring device, which comprises: base, connecting rod, carrier, fin and pressure sensor, connecting rod one end rotates and sets up in the base inboard, and the one end that the connecting rod is located the base outside is with carrier fixed connection, and carrier length direction is perpendicular with connecting rod axis direction, and the one end demountable installation of carrier has pressure sensor, and the one end side fixed mounting that pressure sensor was kept away from to the carrier has the fin, and the fin lies in the plane and is parallel with carrier length direction and connecting rod axis direction simultaneously.

In some embodiments, the base inner side, the connecting rod inner side and the carrier inner side are all hollow, and the connecting rod communicates with the base inner side and the carrier inner side.

In some embodiments, the connecting rod is rotatably connected with the inner wall of the base through a sealing bearing.

In some embodiments, the base is arranged close to the notch at one end side of the connecting rod, the base is fixedly connected to the notch at the side of the base, the sealing bearing is embedded in the notch, and the base and the notch at the side of the base are respectively clamped at two sides of the sealing bearing.

In some embodiments, a flow sensor is also included, mounted at an end of the carrier remote from the pressure sensor.

In some embodiments, the flow rate sensor is a turbine-type flow rate sensor.

In some embodiments, the device further comprises a direction sensor, wherein the direction sensor is fixed on the inner side of the base, and is coaxially sleeved on the outer side of the connecting rod.

In some embodiments, the direction sensor is a hall magnetic encoder.

In some embodiments, the carrier is provided with an opening at one end of the pressure sensor, the pressure sensor is embedded in the opening, at least one long through hole is arranged on the side surface of the opening along the length direction of the carrier, the long through hole is communicated with one end of the carrier provided with the pressure sensor, and two side surfaces of the carrier surface in the width direction of the long through hole are detachably connected through bolts.

In some embodiments, the sensing end of the pressure sensor is disposed along the length of the carrier in a direction away from the carrier.

Compared with the prior art, the underwater flow field monitoring device has the following beneficial effects:

the underwater flow field monitoring device is characterized in that the pressure sensor is arranged on the carrier, the carrier can rotate relative to the base along with the connecting rod, the tail fin tends to be parallel to water flow under the action of water flow fluid in the water flow, and the carrier can be driven to rotate around the connecting rod under the action of the water flow, so that the position of the pressure sensor is driven to change along with the change of the water flow direction, and the pressure sensor can monitor more accurate water flow pressure data.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an isometric view of an underwater flow field monitoring device of the present utility model;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a front cross-sectional view of an underwater flow field monitoring device of the present utility model.

In the figure: 1-base, 2-connecting rod, 3-carrier, 4-fin, 5-pressure sensor, 6-sealed bearing, 7-hoop, 8-velocity of flow sensor, 9-direction sensor, 31-long through-hole.

Detailed Description

The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the utility model belong. If the definitions set forth in this section are contrary to or otherwise inconsistent with the definitions set forth in the patents, patent applications, published patent applications and other publications incorporated herein by reference, the definitions set forth in this section are preferentially set forth in the definitions set forth herein.

As shown in fig. 1, in combination with fig. 2-3, the underwater flow field monitoring device of the present utility model comprises: base 1, connecting rod 2, carrier 3, fin 4 and pressure sensor 5, wherein base 1 is used for bearing and installing whole monitoring devices, connecting rod 2 vertical setting, the lower extreme embedding of connecting rod 2 is in base 1 and rotate with base 1 and be connected, the upper end of connecting rod 2 and the middle part fixed connection of carrier 3, the length direction of carrier 3 is perpendicular with the axis direction of connecting rod 2, carrier 3 has pressure sensor 5 along the tip demountable installation of length direction, the side fixed mounting of the one end that pressure sensor 5 was kept away from to carrier 3 has fin 4, fin 4 place plane and carrier 3's length direction are parallel to each other, fin 4 place plane is still parallel with the axis direction of connecting rod 2 simultaneously.

In the above embodiment, the fin 4 and the pressure sensor 5 are respectively disposed on two opposite sides of the connecting rod 2, the pressure sensor 5 is mounted at the end of the carrier 3 along the length direction, when the whole monitoring device is located in the water flow, the water flow can drive the fin 4 to be parallel to the water flow direction, at this moment, one end of the carrier 3 provided with the pressure sensor 5 is disposed towards the water flow direction, when the connecting rod 2 is vertically disposed in the water flow, the pressure sensor 5 can face the water flow direction, when the water flow direction changes, the carrier 3 rotates along with the rotation, the carrier 3 can drive the pressure sensor 5 to always keep towards the upstream of the water flow direction, so that the water flow pressure can be dynamically and accurately detected.

In some embodiments, the inner side of the base 1, the inner side of the connecting rod 2 and the inner side of the carrier 3 are all hollow, and the connecting rod 2 communicates with the inner side of the base 1 and the inner side of the carrier 3.

In the above embodiment, the base 1, the connecting rod 2 and the carrier 3 which are arranged in a hollow manner can enable the communication line of the pressure sensor 5 to be distributed from the inner sides of the carrier 3, the connecting rod 2 and the base 1, so that the risk of damage or interference caused by direct contact with water is avoided.

In some embodiments, the connecting rod 2 is rotatably connected with the inner wall of the base 1 through the sealing bearing 6, and further comprises the sealing bearing 6.

In the above embodiment, the sealing bearing 6 is adopted to rotationally connect the connecting rod 2 and the base 1, so that the rotational connection between the connecting rod 2 and the base 1 can be realized, and meanwhile, external water can be prevented from entering the inner side of the base 1 through the rotational connection part.

In some embodiments, the device further comprises a conductive slip ring, the conductive slip ring is coaxially arranged below the sealed bearing 6, and the conductive slip ring is coaxially and fixedly arranged at the end part of the connecting rod 2, so that in the process of rotating the connecting rod 2, a sensor or other electrical devices on the carrier 1 can be always electrically connected with external power supply and/or communication equipment.

In some embodiments, the base 1 is arranged near the notch of one end side of the connecting rod 2, the hoop 7 is fixedly connected to the notch of the side of the base 1, the sealing bearing 6 is embedded in the notch, and the hoop 7 and the notch of the side of the base 1 are respectively clamped on two sides of the sealing bearing 6.

In order to facilitate the disassembly of the connecting rod 2, a notch is formed in the side face of the base 1 and used for embedding the sealing bearing 6, the sealing bearing 6 is clamped and fixed by matching the base 1 with the hoop 7, and the hoop 7 and the base 1 can be fastened and connected through bolts.

In some embodiments, a flow sensor 8 is also included, the flow sensor 8 being mounted at an end of the carrier 3 remote from the pressure sensor 5.

In the above embodiment, the flow velocity sensor 8 is used for detecting the flow velocity of the water flow where the monitoring device is located, and since the carrier 3 can rotate along with the water flow, the flow velocity sensor 8 can be always opposite to the water flow direction, and the accuracy of the flow velocity monitoring result can be improved.

In some embodiments, the flow sensor 8 is a turbine-type flow sensor.

In some embodiments, the device further comprises a direction sensor 9, wherein the direction sensor 9 is fixed on the inner side of the base 1, and is coaxially sleeved on the outer side of the connecting rod 2.

In the above embodiment, when the direction of the water flow changes, the carrier 3 rotates under the driving of the tail wing 4 and drives the connecting rod 2 to rotate around its own axis, so that the direction sensor 9 is disposed in the base 1 for monitoring the rotation of the connecting rod 2, and thus the monitoring of the direction of the water flow can be achieved.

In some embodiments, the direction sensor 9 is a hall magnetic encoder.

In the above embodiment, the carrier 3 is provided with the pressure sensor 5 with one end thereof being opened, the pressure sensor 5 is embedded in the opening, the opening side is provided with at least one long through hole 31 along the carrier length direction, the long through hole 31 is communicated with the end of the carrier 3 provided with the pressure sensor 5, and the surfaces of the carrier 3 are detachably connected with the two side surfaces of the long through hole 31 in the width direction through bolts 10.

In the above embodiment, the bolt 10 is used to fasten both sides in the width direction of the long through hole 31, thereby changing the opening inner diameter, and clamping and loosening of the pressure sensor 5 are achieved, so that detachable installation of the pressure sensor 5 is achieved. The number of the long through holes 31 may be two or more.

In some embodiments, the sensing end of the pressure sensor 5 is disposed along the length of the carrier 3 in a direction away from the carrier 3.

The above embodiment enables the sensing end of the pressure sensor 5 to face the water flow direction, and the monitoring of the water flow pressure is more accurate.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. An underwater flow field monitoring device, comprising: base (1), connecting rod (2), carrier (3), fin (4) and pressure sensor (5), connecting rod (2) one end rotates and sets up in base (1) inboard, one end that connecting rod (2) are located the base (1) outside and carrier (3) fixed connection, carrier (3) length direction is perpendicular with connecting rod (2) axis direction, pressure sensor (5) are detachably installed to one end of carrier (3), pressure sensor (5) are kept away from to carrier (3) one end side fixed mounting has fin (4), fin (4) place plane is parallel with carrier (3) length direction and connecting rod (2) axis direction simultaneously.

2. An underwater flow field monitoring device as claimed in claim 1, wherein the inner side of the base (1), the inner side of the connecting rod (2) and the inner side of the carrier (3) are all hollow, and the connecting rod (2) is communicated with the inner side of the base (1) and the inner side of the carrier (3).

3. An underwater flow field monitoring device as claimed in claim 1, further comprising a sealing bearing (6), wherein the connecting rod (2) is rotatably connected to the inner wall of the base (1) by means of the sealing bearing (6).

4. An underwater flow field monitoring device as claimed in claim 3, further comprising a hoop (7), wherein the base (1) is arranged close to a side gap at one end of the connecting rod (2), the hoop (7) is fixedly connected to the side gap of the base (1), the sealing bearing (6) is embedded in the gap, and the hoop (7) and the side gap of the base (1) are respectively clamped at two sides of the sealing bearing (6).

5. An underwater flow field monitoring device as claimed in claim 1, further comprising a flow rate sensor (8), the flow rate sensor (8) being mounted at the end of the carrier (3) remote from the pressure sensor (5).

6. An underwater flow field monitoring device as claimed in claim 5, characterised in that the flow rate sensor (8) is a turbine type flow rate sensor.

7. An underwater flow field monitoring device as claimed in claim 1, further comprising a direction sensor (9), the direction sensor (9) being fixed inside the base (1) and being coaxially sleeved outside the connecting rod (2).

8. An underwater flow field monitoring device as claimed in claim 7, characterised in that the direction sensor (9) is a hall magnetic encoder.

9. An underwater flow field monitoring device as claimed in claim 1, characterized in that the carrier (3) is provided with a pressure sensor (5) at one end opening, the pressure sensor (5) is embedded in the opening, at least one long through hole (31) is arranged on the side surface of the opening along the length direction of the carrier, the long through hole (31) is communicated with one end of the carrier (3) where the pressure sensor (5) is arranged, and the surfaces of the carrier (3) are positioned on two side surfaces of the long through hole (31) in the width direction and are detachably connected through bolts (10).

10. An underwater flow field monitoring device as claimed in claim 1, characterized in that the sensing end of the pressure sensor (5) is arranged along the length of the carrier (3) in a direction away from the carrier (3).