1. A transducer and ice surface coupling device for underwater depth measurement under ice is characterized by comprising a tube body (1), two transducers (4), a limiting device, a closing valve (5), a sealing sleeve (8), a transducer connecting rod (9) and a first closing valve connecting rod (10), wherein coupling liquid (16) is filled in the tube body (1), the sealing sleeve (8) is installed at the bottom of the tube body (1),

two transducer (4) of two connecting rod below fixed connection of transducer connecting rod (9), stop device can be followed in transducer connecting rod (9) and reciprocated, the below fixedly connected with closure of connecting rod (10) is cut down (5) No. one, the closure is cut down connecting rod (10) and can be followed stop device and reciprocated, and when connecting rod (10) rebound was cut down to a closure, closure was cut down (5) and was opened, and when connecting rod (10) rebound was cut down to a closure, the closure was cut down (5) and was closed.

2. The transducer and ice surface coupling device for underwater water depth measurement according to claim 1, wherein the limiting device comprises a first beam (2) and a second beam (3), the first beam (2) is fixedly connected to the upper portion of the pipe body (1), the second beam (3) is fixedly connected to the middle portion of the pipe body (1), and the first beam (2) and the second beam (3) are parallel to each other.

3. The transducer and ice surface coupling device for underwater water depth measurement according to claim 2, wherein a plurality of limiting holes (11) are formed in the first beam (2) and the second beam (3), the limiting holes (11) are divided into outer limiting holes and inner limiting holes, the inner limiting holes are located on the inner sides of the outer limiting holes, the transducer connecting rod (9) penetrates through the outer limiting holes of the first beam (2) and the second beam (3) respectively, and the first closed valve connecting rod (10) penetrates through the inner limiting holes of the first beam (2) and the second beam (3) respectively.

4. The transducer and ice surface coupling device for underwater deep water measurement of claim 2, wherein a central rod (12) is arranged on a central axis of the tube body (1), and a first beam (2), a second beam (3) and a third beam (15) are sequentially fixed on the central rod (12) from top to bottom.

5. The transducer and ice surface coupling device for underwater water depth measurement according to claim 4, characterized in that the third beam (15) and the first beam (2) are fixed on the lower part of the pipe body (1) at an angle of 90 degrees.

6. The transducer and ice surface coupling device for underwater deep measurement of water under ice according to claim 4, characterized in that the closed valves (5) are fixed on both sides of the third beam (15).

7. The transducer and ice surface coupling device for underwater ice water depth measurement according to claim 1, wherein the bottom of the pipe body (1) is fixedly connected with a fixing ring (7) and a sealing sleeve (8) in sequence.

8. The transducer and ice surface coupling device for underwater ice water depth measurement according to claim 1, wherein a gasket (6), a fixing ring (7) and a sealing sleeve (8) are fixedly connected to the bottom of the pipe body (1) in sequence, the outer diameters of the gasket 6 and the fixing ring (7) are the same as the outer diameter of the pipe body (1), and the inner diameter is smaller than the inner diameter of the pipe body (1).

9. Transducer and ice surface coupling device for underwater ice water depth measurement according to claim 1, characterized in that the sealing sleeve (8) is a low temperature resistant rubber sleeve.

10. Transducer and ice surface coupling device for underwater deep measurement under ice according to claim 1, characterized in that the first closing valve link (10) is connected below to the second closing valve link (13) by a closing valve link (14), the second closing valve link (13) being connected to the closing valve (5) by a closing valve link (14).

Background

When the water depth is measured in rivers, lakes, seas or polar regions in the icing period in winter, the water depth is measured after the ice layer is chiseled because the water surface is covered by the ice layer, and the water depth measuring method on the ice surface without chiseling the ice layer is provided by the patent No. 2017107222302 and the patent No. 2018106707758. In the method for measuring the depth of water under ice, an ice layer detector for receiving an acoustic wave signal needs to be fixed on an ice surface to achieve acoustic coupling between the detector and the ice surface; in the method for measuring the water depth of the medium across the ice layer, a groove with proper depth is ground on the surface of the ice layer through a grinding machine, then a proper amount of anti-freezing solution is poured, and a transducer is placed in the groove to achieve the acoustic coupling of the transducer and the ice surface. However, when the two acoustic coupling methods are used for measuring on actual ice, particularly under the condition that the number of measuring points is large, each point needs to be fixed with a detector or work for grinding a groove on the ice surface, and the two acoustic coupling methods have the problems of inconvenient implementation and low efficiency.

Disclosure of Invention

The invention provides a transducer and ice surface coupling device for measuring the depth of water under ice, which is convenient to operate and can improve the measurement efficiency, and aims to solve the technical problems that when the acoustic coupling mode in the prior art is used for measuring on the actual ice, particularly under the condition that the number of measurement point positions is large, each point position needs to be fixed with a detector or a groove is polished on the ice surface, so that the implementation is inconvenient and the efficiency is low.

The invention provides a transducer and ice surface coupling device for underwater depth measurement under ice, which comprises a tube body, two transducers, a limiting device, a closed valve, a seal sleeve, a transducer connecting rod and a first closed valve connecting rod, wherein coupling liquid is filled in the tube body, the seal sleeve is arranged at the bottom of the tube body,

two transducers of two connecting rod below fixed connection of transducer connecting rod, the transducer connecting rod can be followed stop device and reciprocated, the below fixedly connected with closure of connecting rod is cut down to a closure, stop device can be followed to a closure cutting connecting rod and reciprocated, and when a closure cutting connecting rod rebound, the closure cutting is opened, and when a closure cutting connecting rod rebound, the closure cutting is closed.

Preferably, stop device includes a crossbeam and No. two crossbeams, a crossbeam fixed connection is on body upper portion, No. two crossbeams fixed connection is at the body middle part, a crossbeam and No. two crossbeams are parallel to each other.

Preferably, be provided with a plurality of spacing holes on a crossbeam and No. two crossbeams, a plurality of spacing holes divide into the spacing hole in the outside and the spacing hole in inboard, the spacing hole in inboard is located the inboard in the spacing hole in the outside, the transducer connecting rod passes the spacing hole in the outside of a crossbeam and No. two crossbeams respectively, and the closed connecting rod passes the spacing hole in the inboard of a crossbeam and No. two crossbeams respectively.

Preferably, the bottom of the tube body is fixedly connected with the fixing ring and the sealing sleeve in sequence.

Preferably, the bottom of the pipe body is fixedly connected with a gasket, a fixing ring and a sealing sleeve in sequence, the outer diameters of the gasket and the fixing ring are the same as the outer diameter of the pipe body, and the inner diameter of the gasket is smaller than the inner diameter of the pipe body.

Preferably, the sealing sleeve is a low temperature resistant rubber sleeve.

Preferably, No. one closed valve connecting rod below is connected to No. two closed valve connecting rods through closed valve connecting piece, and No. two closed valve connecting rod is connected to closed valve through closed valve connecting piece.

Preferably, a central rod is arranged on a central axis of the tube body, and a first cross beam, a second cross beam and a third cross beam are sequentially fixed on the central rod from top to bottom.

Preferably, the third beam and the first beam are fixed at the lower part of the pipe body in a direction of 90 degrees.

Preferably, the two sides of the third beam are fixed with closing valves.

The transducer and ice surface coupling device for underwater water depth measurement has the beneficial effects that:

(1) the transducer and ice surface coupling device is placed on an ice surface, coupling liquid quickly descends to the ice surface after the connecting rod opens and closes the valve, and the transducer is pressed onto the ice surface through the connecting rod to measure the water depth, so that the transducer and ice surface coupling device is convenient and quick to operate, and the measuring efficiency can be greatly improved.

(2) When the device is used, the transducer is always in the coupling liquid no matter whether the closing valve is opened or closed, so that the problem of transducer damage caused by the fact that the transducer is mistakenly operated to emit sound waves when placed in air is solved, and the problems of transducer damage and efficiency reduction caused by the fact that residual liquid on the surface of the transducer is frozen when the transducer is placed in air are also solved.

(3) The invention controls the dosage of the coupling liquid by closing the valve, thereby achieving the effect of saving the liquid.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural diagram of a transducer and ice surface coupling device for underwater ice depth measurement according to the present invention;

FIG. 2 is a schematic diagram of the transducer and ice coupling device for underwater ice depth measurement according to the present invention not placed on the ice surface;

FIG. 3 is a schematic diagram of the transducer and ice surface coupling device for underwater ice depth measurement according to the present invention, which is placed on the ice surface;

the device comprises a tube body 1, a beam 2, a beam 3, a beam II, a transducer 4, a closed valve 5, a gasket 6, a fixing ring 7, a sealing sleeve 8, a transducer connecting rod 9, a closed valve connecting rod 10, a limiting hole 11, a central rod 12, a closed valve connecting rod 13, a closed valve connecting piece 14, a closed valve fixing beam 15, a beam III 15, a coupling liquid 16 and an ice surface 17.

Detailed Description

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:

the first embodiment is as follows: the present embodiment is explained with reference to fig. 1 to 3. This embodiment be used for transducer and ice surface coupling device of under ice depth of water measurement, including body 1, two transducers 4, stop device, closed valve 5, seal cover 8, transducer connecting rod 9 and closed valve connecting rod 10 No. one, two transducers 4 of two connecting rod below fixed connection of transducer connecting rod 9, transducer connecting rod 9 can follow stop device and reciprocate, closed valve 5 of below fixedly connected with of closed valve connecting rod 10, closed valve connecting rod 10 can follow stop device and reciprocate, and when closed valve connecting rod 10 upwards removed, closed valve 5 opened, and when closed valve connecting rod 10 downwards removed, closed valve 5 closed, seal cover 8 is installed to the bottom of body 1.

Stop device includes crossbeam 2 and No. two crossbeams 3, 2 fixed connection on 1 upper portion of body, No. two crossbeams 3 fixed connection at 1 middle part of body, crossbeam 2 and No. two crossbeams 3 are parallel to each other.

Be provided with a plurality of spacing holes 11 on crossbeam 2 and No. two crossbeams 3, a plurality of spacing holes 11 divide into the spacing hole in the outside and the spacing hole in inboard, the spacing hole in inboard is located the inboard in the spacing hole in the outside, transducer connecting rod 9 passes the spacing hole in the outside 11 of crossbeam 2 and No. two crossbeams 3 respectively, and transducer connecting rod 9 can reciprocate through the spacing hole in the outside. A first closing valve connecting rod 10 penetrates through inner side limiting holes 11 of the cross beam 2 and the cross beam 3 respectively, and the closing valve connecting rod 10 can move up and down through the inner side limiting holes.

The bottom of the pipe body 1 is fixedly connected with a gasket 6, a fixing ring 7 and a sealing sleeve 8 in sequence, the outer diameters of the gasket 6 and the fixing ring 7 are the same as the outer diameter of the pipe body 1, and the inner diameter is smaller than the inner diameter of the pipe body 1.

The sealing sleeve 8 is a low-temperature resistant rubber sleeve.

No. one closed valve connecting rod 10 below is connected to No. two closed valve connecting rods 13 through closed valve connecting piece 14, and No. two closed valve connecting rods 13 are connected to closed valve 5 through closed valve connecting piece 14.

The central rod 12 is arranged on the central axis of the pipe body 1, the central rod 12 is sequentially fixed with a first cross beam 2, a second cross beam 3 and a third cross beam 15 from top to bottom, and the central rod 12 plays a role in supporting the cross beams.

The third beam 15 and the first beam 2 form a 90-degree direction and are fixed at the lower part of the pipe body 1. And the third beam is a closed valve fixing beam, and the two sides of the third beam are fixed with closing valves 5.

As shown in fig. 2, when the present invention is not placed on ice 17 for operation, the pipe body 1 is filled with the coupling liquid 16, and the closing valve 5 is closed, and the amount of the coupling liquid 16 is sufficient to ensure that the transducer 4 is completely immersed.

As shown in figure 3, when the invention is placed on an ice surface 17 to work, the first closing valve connecting rod 10 is lifted to open the closing valve 5, the coupling liquid 16 is filled in the sealing sleeve 8, the transducer connecting rod 9 is pressed down to enable the transducer 4 to be in close contact with the ice surface 17, and then the measurement work of transmitting and receiving sound waves by the transducer can be carried out. After the measurement is finished, the transducer connecting rod 9 is lifted upwards to enable the transducer 4 to return to the tube body 1 again, the first closing valve connecting rod 10 is pressed downwards to close the closing valve 5, and the whole device moves to the next position to perform measurement.

During the measurement, the coupling fluid 16 is lost, since some of it remains between the sealing sleeve 8 and the ice surface 17 after the closing valve 5 is closed, and it can be replenished at appropriate times depending on the amount of loss.

The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail. It should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and that the reasonable combination of the features described in the above-mentioned embodiments can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.