阅读说明：本技术 一种水位监测装置 (Water level monitoring device ) 是由 孙元杰 李爽 葛庆谊 赵民 朱永澍 王迎丽 王怡人 马红娟 于 2021-08-16 设计创作，主要内容包括：本发明涉及一种水位监测装置,包括使用时沉于水底的装置主体,装置主体包括装置座,装置座上通过球铰结构连接有测量杆,测量杆的上端设置有水流流向指示标,水流流向指示标包括箭身,箭身的前端设置有流向指示箭头,箭身的尾端设置有流向指示箭尾,水流流向指示标上设置有水流流速测量装置,测量杆上设置有压力测量腔,压力测量腔朝向流向指示箭头的一侧设置有弹性感压膜,测量杆上还设置有用于检测所述压力测量腔内液体压强的压力传感器,测量杆上设置有用于检测测量杆与竖直方向夹角的测量杆倾角传感器。本发明的提供了一种移动方便的可对多种地带进行水深检测的水位监测装置。(The invention relates to a water level monitoring device, which comprises a device main body sinking to the bottom when in use, wherein the device main body comprises a device base, a measuring rod is connected to the device base through a spherical hinge structure, a water flow direction indicator is arranged at the upper end of the measuring rod and comprises an arrow body, a flow direction indicator arrow is arranged at the front end of the arrow body, a flow direction indicator arrow tail is arranged at the tail end of the arrow body, a water flow velocity measuring device is arranged on the water flow direction indicator, a pressure measuring cavity is arranged on the measuring rod, an elastic pressure sensing film is arranged on one side, facing the flow direction indicator arrow, of the pressure measuring cavity, a pressure sensor for detecting the liquid pressure in the pressure measuring cavity is further arranged on the measuring rod, and a measuring rod inclination sensor for detecting the included angle between the measuring rod and the vertical direction is arranged on the measuring rod. The invention provides a water level monitoring device which is convenient to move and can detect water depth of various zones.)

1. A water level monitoring device, its characterized in that: sink in submarine device main part during use, the device main part includes the device seat, be connected with the measuring stick through the ball pivot structure on the device seat, the upper end of measuring stick is provided with rivers flow direction indicator, rivers flow direction indicator includes the arrow body, the front end of arrow body is provided with the flow direction and indicates the arrow point, the tail end of arrow body is provided with the flow direction and indicates the arrow tail, be provided with rivers velocity of flow measuring device on the rivers flow direction indicator, be provided with the pressure measurement chamber on the measuring stick, the pressure measurement chamber is provided with elasticity pressure sensing membrane towards one side of flow direction indicator arrow point, still be provided with on the measuring stick and be used for detecting the pressure sensor of pressure measurement intracavity liquid pressure, be provided with the measuring stick inclination sensor who is used for detecting measuring stick and vertical direction contained angle on the measuring stick.

2. The water level monitoring device according to claim 1, wherein: the device seat is provided with a ball groove, the ball hinge structure comprises a ball head which is in running fit with the ball groove, and the ball head is fixed at the lower end of the measuring rod.

3. The water level monitoring device according to claim 1 or 2, wherein: the arrow body is articulated continuous through articulated shaft and measuring stick upper end, and the articulated shaft level is arranged, and water level monitoring device still includes the resetting means who is used for keeping the arrow body level.

4. The water level monitoring device according to claim 3, wherein: the reset device is a floating reset device which is arranged above the water surface when in use and is connected with the arrow body through a pull rope.

5. The water level monitoring device according to claim 4, wherein: float resetting means includes along the front side balloon and the rear side balloon of arrow body length direction interval arrangement, and the front side balloon passes through the front side stay cord and links to each other with the arrow body, and the rear side balloon passes through the rear side stay cord and links to each other with the arrow body, and both sides around the articulated shaft are arranged respectively in to front side balloon, rear side balloon.

6. The water level monitoring device according to claim 3, wherein: an arrow body inclination angle sensor is arranged on the arrow body, and the reset device is an arrow body driving motor used for driving the arrow body to rotate relative to the measuring rod.

Technical Field

The invention relates to a water level monitoring device in the field of hydrological monitoring.

Background

The water level data, namely the water depth, is an important data parameter in hydrological monitoring, and common water level monitoring devices are fixed, namely a marker post or a laser sensor is arranged at a certain fixed position, and the laser emitting end of the laser sensor faces the water surface.

For the marker post, the marker post is provided with fixed scales, and the reference scales on the marker post are calibrated by tracing, so that when the water depth is not over a certain scale, the water depth is indicated to reach the corresponding scale, and the water level monitoring is realized. For the laser sensor, the laser sensor is generally arranged at the bottom of a bridge crossing a river, initial measurement data of the laser sensor is calibrated, and when the water level in the river channel increases, the laser sensor measures an absolute increase value of the water level, so that the water level of the river channel is converted.

The existing water level monitoring devices are required to trace the source, and therefore, the water level monitoring devices can only be arranged at fixed positions, however, flood is inexistent, and when flood disasters occur, streets, villages and crop fields can all be a bright ocean, and the positions cannot be subjected to tracing calibration, so that the water depth cannot be accurately monitored by using the existing water level monitoring devices.

Disclosure of Invention

The invention aims to provide a water level monitoring device which is convenient to move and can detect water depth of various zones.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the utility model provides a water level monitoring device, sink in submarine device main part during the use, the device main part includes the device seat, there is the measuring stick through ball pivot structural connection on the device seat, the upper end of measuring stick is provided with rivers flow direction indicator, rivers flow direction indicator includes the arrow body, the front end of arrow body is provided with flow direction indication arrow point, the tail end of arrow body is provided with flow direction indication arrow tail, be provided with rivers velocity of flow measuring device on the rivers flow direction indicator, be provided with the pressure measurement chamber on the measuring stick, the pressure measurement chamber is provided with elasticity pressure sensing membrane towards one side of flow direction indication arrow point, still be provided with on the measuring stick and be used for detecting the pressure sensor of liquid pressure in the pressure measurement chamber is provided with the measuring stick inclination sensor who is used for detecting measuring stick and vertical direction contained angle on the measuring stick.

The device seat is provided with a ball groove, the ball hinge structure comprises a ball head which is in running fit with the ball groove, and the ball head is fixed at the lower end of the measuring rod.

The arrow body is articulated continuous through articulated shaft and measuring stick upper end, and the articulated shaft level is arranged, and water level monitoring device still includes the resetting means who is used for keeping the arrow body level.

The reset device is a floating reset device which is arranged above the water surface when in use and is connected with the arrow body through a pull rope.

Float resetting means includes along the front side balloon and the rear side balloon of arrow body length direction interval arrangement, and the front side balloon passes through the front side stay cord and links to each other with the arrow body, and the rear side balloon passes through the rear side stay cord and links to each other with the arrow body, and both sides around the articulated shaft are arranged respectively in to front side balloon, rear side balloon.

An arrow body inclination angle sensor is arranged on the arrow body, and the reset device is an arrow body driving motor used for driving the arrow body to rotate relative to the measuring rod.

The invention has the beneficial effects that: when the pressure measuring device is used, the device body is put into water, the device body sinks to the water bottom under the action of the gravity of the device body, and the pressure sensor measures the liquid pressure in the pressure measuring cavity as P_MeasuringIf the water is stationary, P_MeasuringThe invention uses a water flow direction indicator, under the action of the water flow, the water flow direction indicator rotates with a measuring rod, and a flow direction indicating arrow is used for indicating the coming water flowTo, consequently elastic pressure sensing membrane also can be along with rivers flow direction indicateing mark' S rotation and towards the arrival of rivers to, rivers are followed and are openly strikeed to elastic pressure sensing membrane, have guaranteed the water velocity that rivers velocity of flow measuring device measured this moment and the uniformity of the impact velocity that elastic pressure sensing membrane received, under the effect of rivers, certain slope may appear in the measuring stick, measuring stick inclination sensor measures and obtains the contained angle of the relative vertical direction of measuring stick and be A, then F ═ S ═ V²cosA, wherein F represents acting force of water flow on the elastic pressure sensing film, S represents stressed area of the elastic pressure sensing film, V represents flow velocity of water flow, and P represents flow velocity of water flow_Measuring*S＝ρ*S*V²cosA + ρ g h S, i.e., h ═ P (P)_Measuring-ρ*V²And the water depth height can be converted by the water depth height. Therefore, the water level monitoring device does not need to determine a measuring reference point, so that the water level monitoring device can be put at any position needing water level monitoring according to needs, such as temporary streets, villages and crop fields caused by flood, and water level data can be accurately monitored.

Drawings

FIG. 1 is a schematic structural view of a water level monitoring apparatus according to an embodiment 1 of the present invention;

FIG. 2 is a schematic view of the measuring rod of FIG. 1 after it has been tilted;

FIG. 3 is an enlarged view at C in FIG. 2;

FIG. 4 is a schematic structural view of embodiment 2 of the water level monitoring apparatus according to the present invention;

in the figure, 1, a device seat; 2. a ball groove; 3. a ball head; 4. a measuring rod; 5. a pressure measurement chamber; 6. an elastic pressure-sensitive film; 7. a pressure sensing film gland; 8. a pressure sensor; 9. a measuring rod tilt sensor; 10. hinging a shaft; 11. an upper device mount portion; 12. a lower device mount portion; 13. a water flow direction indicator; 14. an arrow body; 15. a flow direction indication arrow; 16. a flow direction indicator arrow tail; 17. a water flow direction indicator; 18. a front side pull rope; 19. pulling a rope at the back side; 20. a front balloon; 21. a rear balloon; 22. an arrow body inclination angle sensor; 23. an arrow body driving motor; 24. the surface of the water level.

Detailed Description

The embodiment 1 of the water level monitoring device in the invention is as shown in figures 1-3: sink in submarine device main part during the use, the device main part includes device seat 1, be connected with vertically arranged measuring stick 4 through the ball pivot structure on the device seat 1, be provided with ball groove 2 on the device seat, the ball pivot structure include with ball groove normal running fit's bulb 3, bulb 3 is fixed in measuring stick 4 lower extreme, the device seat is including upper side device seat part 11 and lower side device seat part 12 that the upper side device seat part arranged with the lower side device seat part through bolted connection, ball groove 2 is enclosed by upper side device seat part and lower side device seat part jointly. The device base and the measuring rod are both made of stainless steel materials.

Measuring stick 4's upper end is provided with rivers flow direction indicator 13, rivers flow direction indicator can be made by the carbon fiber that weight is lighter, rivers flow direction indicator is similar with wind direction indicator, it is under the effect of rivers, can indicate coming of rivers to, rivers flow direction indicator includes arrow body 14, arrow body 14's front end is provided with flow direction indication arrow 15, arrow body 14's tail end is provided with flow direction indication arrow tail 16, flow direction indication arrow head and flow direction indication arrow tail are vertical arrangement's platelike structure, the orientation of flow direction indication arrow is coming to for rivers promptly. The rivers flow direction indicator is last to be provided with the velocity of flow measuring device of rivers that is used for detecting velocity of flow, and in this embodiment, velocity of flow measuring device of rivers includes the helical blade 17 that the axis of rotation extends along the front and back direction, and helical blade passes through blade pivot rotation assembly in the front end of instructing the arrow point, and velocity of flow measuring device of rivers still includes the tachometric sensor who is used for detecting helical blade slew velocity.

Be provided with pressure measurement chamber 5 on the measuring stick, the pressure measurement chamber is provided with elastic pressure sensing membrane 6 towards one side of flow direction indication arrow point, and elastic pressure sensing membrane is made by the rubber membrane, and elastic pressure sensing membrane is fixed in on the pressure measurement chamber through pressure sensing membrane gland 7, and pressure sensing membrane gland 7 is the ring structure, and pressure sensing membrane gland 7 passes through the fix with screw on the pressure measurement chamber. The measuring rod is also provided with a pressure sensor 8 for detecting the pressure of liquid in the pressure measuring cavity, and the measuring rod is provided with a measuring rod inclination angle sensor 9 for detecting an included angle between the measuring rod and the vertical direction.

In this embodiment, the arrow body is hinged to the upper end of the measuring rod 4 through a hinge shaft 10, the hinge shaft is horizontally arranged, and the water level monitoring device further comprises a resetting device for keeping the arrow body horizontal. The resetting means is for placing the showy resetting means above the surface of water in when using in, and showy resetting means passes through the stay cord and links to each other with the arrow body, and showy resetting means includes along the preceding side balloon 20 and the rear side balloon 21 of arrow body length direction interval arrangement, and preceding side balloon 20 links to each other with the arrow body through preceding side stay cord 18, and rear side balloon 21 passes through rear side stay cord 19 and links to each other with the arrow body, and preceding side balloon, rear side balloon are arranged the front and back both sides of articulated shaft respectively in. The floating reset device is matched with the spherical hinge structure, and the measuring rod can be pulled to be in a posture of being adjusted, so that the measuring rod only inclines in the front-back direction, namely the water flow direction, and the inclination angle of the measuring rod in the front-back direction is measured by the measuring rod inclination angle sensor.

During the use, only need put this water level monitoring device into the waters that need monitor, this waters can be the river course, the street, village or field etc, use the ball pivot structure, make the measuring stick have a plurality of degrees of freedom, wherein the degree of freedom including rotatory action, the degree of freedom and compound degree of freedom of fore-and-aft swing, can deal with various complicated submarine topography, after water level monitoring device drops into the bottom, float resetting means's front side balloon and rear side balloon and be used for keeping arrow body level, front side balloon and rear side balloon can also form a mark simultaneously, make things convenient for operating personnel to guide water level monitoring device's position. Then h is ═ P_Measuring-ρ*V²cosA)/rho g S, in which P_MeasuringIndicating that the pressure sensor measures the liquid pressure in the pressure measuring cavity; ρ represents the liquid density; g represents the gravitational acceleration; h represents the depth of the elastic pressure sensing film; f represents the acting force of the water flow on the elastic pressure sensing film; s represents the stressed area of the elastic pressure-sensing film; v represents the flow rate of the water flow; and A represents the included angle between the measuring rod and the vertical direction, namely the reading of the measuring rod inclination angle sensor. The height of the elastic pressure sensing membrane from the device base is known, so that the depth of the water can be calculated.

According to the invention, the orientation of the elastic pressure sensing film can be forward to the water flow direction by using the water flow direction indicator, so that the influence of the water flow on the elastic pressure sensing film is stable and measurable, and the depth of the elastic pressure sensing film can be accurately calculated by considering the influence of the water flow speed on the pressure of the elastic pressure sensing film; through the setting of ball pivot structure, satisfied the measuring stick can the horizontal rotation for elasticity pressure sensing membrane can come to towards the rivers, and simultaneously, the measuring stick can be relatively the device seat swing back and forth, with the complicated submarine topography of adaptation various unevennesses, no matter what submarine topography is, can guarantee that elasticity pressure sensing membrane can rotate to the direction that comes to towards the rivers along with the measuring stick, also can guarantee simultaneously that flow direction instruction arrow point and flow direction instruction arrow point vertical layout all the time.

An embodiment 2 of a water level monitoring device is shown in fig. 4: example 2 differs from example 1 in that: an arrow body inclination angle sensor 22 is arranged on the arrow body, and the resetting device is an arrow body driving motor 23 used for driving the arrow body to rotate relative to the measuring rod. In the embodiment, the balloon is not used as the resetting device, so that the influence of the length of the rope is avoided, and the device can be applied to deep water, such as lake water and seawater. The arrow body inclination angle sensor 22 measures the inclination angle of the middle body, the arrow body driving motor drives the arrow body to rotate relative to the measuring rod, and the arrow body is adjusted to be horizontal, so that the water flow velocity measuring device can accurately measure the water flow velocity.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.