CN112923908B

CN112923908B - Water evaporation measuring device

Info

Publication number: CN112923908B
Application number: CN202110110876.1A
Authority: CN
Inventors: 王英; 谢志锋; 杨鲁斌; 孙亚文; 李雨润
Original assignee: Tianyu Lishui Information Technology Chengdu Co ltd; Guangdong Province Hydrographic Bureau Maoming Hydrology Branch
Current assignee: Tianyu Lishui Information Technology Chengdu Co ltd; Guangdong Province Hydrographic Bureau Maoming Hydrology Branch
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2022-05-06
Anticipated expiration: 2041-01-27
Also published as: CN112923908A

Abstract

A water evaporation measuring device is used for solving the technical problems of complex structure and high use cost of the existing equipment caused by measuring water evaporation amount through a probe in the background technology, and comprises an evaporation dish with an opening at the top and a uniform cross section, a vertical pipe, a weight sliding block, a vertical connecting rod, a floating plate, an indicating rod and an indicating vertical plate fixed on the evaporation dish, the vertical tube is fixed above the evaporating dish through the mounting rod, the weight sliding block is arranged in the vertical tube and can slide along the vertical tube, the top of the connecting rod is fixedly connected with the weight sliding block, the bottom end of the vertical tube penetrates through the vertical tube and is fixedly connected with the floating plate, a strip-shaped hole is vertically arranged on the vertical tube, one end of the indicating rod is fixedly connected with the heavy object sliding block, the other end of the indicating rod penetrates through the strip-shaped hole and is abutted to the indicating vertical plate, and the other end of the indicating rod can vertically slide relative to the indicating vertical plate.

Description

Water evaporation measuring device

Technical Field

The invention relates to the technical field of hydrological monitoring, in particular to a water evaporation measuring device convenient for measuring water evaporation capacity.

Background

The measurement of the water evaporation capacity has certain guiding significance for guiding agricultural production and research and development of some scientific research projects, and a plurality of types of devices for measuring the water evaporation capacity exist in the prior art.

However, many existing devices for measuring water evaporation capacity generally use probes for detection, and the general principle is to use two probes, wherein one probe is fixed on an evaporation dish and extends into the water in the evaporation dish, the other probe is in contact with the water surface in the evaporation dish, the water between the two probes has a certain resistance, after the water amount is evaporated, the probe in contact with the water surface also falls, at this time, the water depth between the two probes changes, and then the resistance changes, and the evaporation capacity of the water can be reflected through the change value of the resistance.

The existing method for detecting the water evaporation amount by the probe has the disadvantages of complex structure, high use cost and difficult popularization and use.

Disclosure of Invention

The invention aims to provide a water evaporation measuring device aiming at the defects of the prior art, which is used for solving the technical problems of complex structure and high use cost of the prior equipment caused by measuring the water evaporation through a probe in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a water evaporation measuring device comprises an evaporation pan with an opening at the top and a uniform cross section, and further comprises a vertical pipe, a weight slider, a vertical connecting rod, a floating plate, an indicating rod and an indicating vertical plate fixed on the evaporation pan, wherein the vertical pipe is fixed above the evaporation pan through an installation rod, the weight slider is arranged in the vertical pipe and can slide along the vertical pipe, the top of the connecting rod is fixedly connected with the weight slider, the bottom end of the connecting rod penetrates through the vertical pipe and is fixedly connected with the floating plate, a strip-shaped hole is vertically formed in the vertical pipe, one end of the indicating rod is fixedly connected with the weight slider, the other end of the indicating rod penetrates through the strip-shaped hole and is abutted against the indicating vertical plate, and the other end of the indicating rod can vertically slide relative to the indicating vertical plate;

the utility model discloses a lubricating device, including standpipe, standpipe top, the tip of this violently managing is fixed with violently the pipe, and the tip of this violently managing is fixed to be worn to establish in the standpipe and switches on with the standpipe from the top of standpipe, and this violently intussuseption is filled with lubricating liquid, and should violently be equipped with in the pipe and can follow the gliding slide of violently pipe axis, is connected with the haulage rope on the floating plate, and the other end of this haulage rope is worn to establish violently the pipe lateral wall and is connected with the slide to be used for along with floating plate downstream and tractive slide, and then make the slide extrude in the standpipe lubricating liquid.

The working principle is as follows: and water is injected into the evaporation dish, the floating plate is placed on the water surface, the buoyancy of the water to the floating plate is balanced with the sum of the gravity of the floating plate, the gravity of the connecting rod and the gravity of the weight sliding block, and the position where the indicating rod is abutted to the indicating vertical plate is recorded as an initial position.

The water level of the water in the evaporation dish drops along with the continuous evaporation of the water, the floating plate can be always located on the water level of the water in the evaporation dish under the driving of the gravity of the weight sliding block, the weight sliding block drives the indicating rod to synchronously slide downwards in the dropping process of the weight sliding block and the floating plate, and after the measured time is over, an operator marks the abutting position of the indicating rod and the indicating vertical plate, namely the final position.

According to the initial position and the final position that the indication rod and the indication vertical plate are abutted, an operator can calculate the height of liquid level descending, and then according to the inner diameter of the evaporation dish, the operator can quickly calculate the evaporation capacity of water in the evaporation dish.

The invention has the beneficial effects that:

according to the invention, water is used for generating buoyancy on the floating plate, the generated buoyancy can be always balanced with the sum of the gravity of the weight sliding block, the gravity of the connecting rod and the gravity of the floating plate, when the liquid level descends, the weight sliding block, the connecting rod and the floating plate synchronously slide downwards, the weight sliding block synchronously drives the indicating rod to slide downwards in the downward sliding process, and then an operator can intuitively obtain the descending height of the liquid level in the evaporation dish according to the downward sliding distance of the indicating rod on the indicating vertical plate, and further calculate the evaporation capacity according to the inner diameter of the evaporation dish.

The method only uses a plurality of simpler components and skillfully utilizes the gravity and buoyancy balance principle to record the initial position and the final position of the indicating rod on the indicating vertical plate, so that the vertical moving distance of the indicating rod can be visually observed, the distance is the height of the liquid level evaporation and reduction, and the evaporated water amount can be visually measured.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Description of reference numerals: evaporating dish 1, standpipe 2, heavy object slider 3, connecting rod 4, floating plate 5, indicator bar 6, instruction riser 7, installation rod 8, bar hole 9, violently manage 10, lubricated liquid 11, slide 12, haulage rope 13, kuppe 14, receiving dish 15, seal block 16.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1, a water evaporation measuring device, includes open-top and cross-section-equal evaporating dish 1, still includes standpipe 2, heavy object slider 3, vertical connecting rod 4, floating plate 5, indicator bar 6 and fixes the instruction riser 7 on evaporating dish 1, standpipe 2 is fixed in evaporating dish 1 top through installation pole 8, and heavy object slider 3 locates in standpipe 2 and can follow standpipe 2 and slide, heavy object slider 3 is the iron plate, and connecting rod 4 tops and heavy object slider 3 fixed connection, its bottom wear to establish standpipe 2 and with floating plate 5 fixed connection, floating plate 5 is hollow structure.

As shown in fig. 1, vertical division has bar hole 9 on standpipe 2, 6 one end of indicator lever and 3 fixed connection of heavy object slider, its other end wear to establish bar hole 9 and with indicate riser 7 butt, and the other end of indicator lever 6 can indicate riser 7 vertical slip relatively, indicate riser 7 to go up along vertical scale that is equipped with, the water evaporation capacity numerical value that the mark has unit scale to correspond on the indication riser 7.

As shown in fig. 1, a horizontal pipe 10 is fixed to the top of the vertical pipe 2, a sealing block 16 is fastened to the side wall of the horizontal pipe 10, the end of the horizontal pipe 10 is fixedly arranged in the vertical pipe 2 in a penetrating manner from the top of the vertical pipe 2 and is communicated with the vertical pipe 2, lubricating liquid 11 is filled in the horizontal pipe 10, a sliding plate 12 capable of sliding along the axis of the horizontal pipe 10 is arranged in the horizontal pipe 10, a pulling rope 13 is connected to the floating plate 5, the pulling rope 13 penetrates through the installation rod 8, the other end of the pulling rope 13 penetrates through the side wall of the horizontal pipe 10 and is connected with the sliding plate 12 so as to pull the sliding plate 12 along with the downward movement of the floating plate 5, the sliding plate 12 is further made to extrude the lubricating liquid 11 into the vertical pipe 2, and the sealing block 16 is opened to inject the lubricating liquid 11 into the horizontal pipe 10.

The evaporation speed of water is limited, so the weight sliding block 3 can slowly slide in the vertical pipe 2, the weight sliding block 3 is likely to rust and is fixed in the vertical pipe 2 in the process, the measurement of the evaporation amount is influenced, in order to prevent the situation, the horizontal pipe 10, the sliding plate 12, the traction rope 13 and the lubricating liquid 11 are arranged, the floating plate 5 drives the traction rope 13 to synchronously move along with the descending of the liquid level, the traction rope 13 pulls the sliding plate 12 to move, the sliding plate 12 can extrude the lubricating liquid 11 into the vertical pipe 2, the lubrication between the weight sliding block 3 and the inner wall of the vertical pipe 2 is kept, and the continuous measurement of the water evaporation amount is ensured.

As shown in fig. 1, the end of the horizontal tube 10 extending into the vertical tube 2 is fixedly communicated with a flared diversion cover 14, the circumferential side wall of the liquid outlet of the diversion cover 14 is abutted to the circumferential inner wall of the vertical tube 2, and the diversion cover 14 can more uniformly divert lubricating oil to the inner wall of the vertical tube 2, so that the lubricating oil between the weight sliding block 3 and the inner wall of the vertical tube 2 is more uniform.

As shown in fig. 1, a receiving dish 15 with an upward opening is fixedly sleeved on the connecting rod 4, the receiving dish 15 is located below the vertical pipe 2 and corresponds to the bottom end of the vertical pipe 2, the lubricating oil located in the vertical pipe 2 is likely to flow out from the bottom end of the vertical pipe 2, at this time, the receiving dish 15 is arranged, the receiving dish 15 can receive the lubricating oil flowing out from the vertical pipe 2, the lubricating oil is prevented from entering water, and the determination of the evaporation capacity is prevented from being influenced.

As shown in fig. 1, the indication rod 6 is of a writing pen structure, a writing end of the indication rod abuts against the indication vertical plate 7, and the writing end can vertically slide relative to the indication vertical plate 7, in this way, the indication rod 6 can directly draw a vertical line on the indication vertical plate 7, and the way is more intuitive.

The working principle is as follows: water is poured into the evaporation pan 1, the floating plate 5 is placed on the water surface, the buoyancy of the water on the floating plate 5 is balanced with the sum of the gravity of the floating plate 5, the gravity of the connecting rod 4 and the gravity of the weight slider 3, and the position where the indicating rod 6 abuts against the indicating riser 7 is recorded as an initial position.

The method comprises the following steps that with the continuous evaporation of water, the liquid level of the water in an evaporation dish 1 descends, under the driving of the gravity of a weight sliding block 3, a floating plate 5 can be always located on the liquid level of the water in the evaporation dish 1, when the weight sliding block 3 and the floating plate 5 fall, the weight sliding block 3 drives an indicating rod 6 to synchronously slide downwards, after the measured time is over, an operator marks the abutting position of the indicating rod 6 and an indicating vertical plate 7, the abutting position is an ending position, and at the moment, the indicating rod 6 draws a vertical marking line on the indicating vertical plate 7.

Meanwhile, the traction rope 13 is drawn in the falling process of the floating plate 5, the traction rope 13 drives the sliding plate 12 to slide, and the sliding plate 12 can extrude the lubricating liquid 11 into the vertical pipe 2, so that the weight sliding block 3 and the inner wall of the vertical pipe 2 are lubricated, and the weight sliding block 3 and the floating plate 5 can smoothly fall.

According to the length of the marked line drawn on the indicating vertical plate 7 by the indicating rod 6, the length of the marked line is the height of the liquid level descending, the numerical value of the length of the marked line is read on the indicating vertical plate 7, and then the numerical value is multiplied by the numerical value of the water evaporation capacity corresponding to the unit scale, so that an operator can quickly calculate the evaporation capacity of the water in the evaporation pan 1.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. An evaporation measuring device for water amount comprises an evaporating dish (1) with an open top and a uniform section, and is characterized in that: the device is characterized by further comprising a vertical pipe (2), a heavy object sliding block (3), a vertical connecting rod (4), a floating plate (5), an indicating rod (6) and an indicating vertical plate (7) fixed on the evaporation dish (1), wherein the vertical pipe (2) is fixed above the evaporation dish (1) through an installation rod (8), the heavy object sliding block (3) is arranged in the vertical pipe (2) and can slide along the vertical pipe (2), the top of the connecting rod (4) is fixedly connected with the heavy object sliding block (3), the bottom end of the connecting rod penetrates through the vertical pipe (2) and is fixedly connected with the floating plate (5), a strip-shaped hole (9) is vertically formed in the vertical pipe (2), one end of the indicating rod (6) is fixedly connected with the heavy object sliding block (3), the other end of the indicating rod (6) penetrates through the strip-shaped hole (9) and is abutted to the indicating vertical plate (7), and the other end of the indicating rod (6) can vertically slide relative to the indicating vertical plate (7);

standpipe (2) top is fixed with violently pipe (10), the tip of this violently pipe (10) is fixed to be worn to establish in standpipe (2) and to switch on with standpipe (2) from the top of standpipe (2), this violently pipe (10) intussuseption is filled with lubricated liquid (11), and should be equipped with in violently pipe (10) and follow gliding slide (12) of violently pipe (10) axis, be connected with haulage rope (13) on floating plate (5), the other end of this haulage rope (13) is worn to establish violently pipe (10) lateral wall and is connected with slide (12), so that be used for along with floating plate (5) downstream and tractive slide (12), and then make slide (12) extrude into in standpipe (2) lubricated liquid (11).

2. An evaporation measuring device of a water amount according to claim 1, wherein: the end part of the transverse pipe (10) extending into the vertical pipe (2) is fixedly communicated with a flared flow guide cover (14), and the circumferential side wall of a liquid outlet of the flow guide cover (14) is abutted to the circumferential inner wall of the vertical pipe (2).

3. An evaporation measuring device of water amount according to claim 2, characterized in that: a holding vessel (15) with an upward opening is fixedly sleeved on the connecting rod (4), and the holding vessel (15) is positioned below the vertical pipe (2) and corresponds to the bottom end of the vertical pipe (2).

4. An evaporation measuring device of a water amount according to claim 1, wherein: the traction rope (13) penetrates through the mounting rod (8).

5. An evaporation measuring device of a water amount according to any one of claims 1 to 4, wherein: the indication rod (6) is of a writing pen structure, and the writing end of the indication rod is abutted to the indication vertical plate (7) and can vertically slide relative to the indication vertical plate (7).

6. An evaporation measuring device of water amount according to claim 5, characterized in that: the vertical direction of the upper edge of the indication vertical plate (7) is provided with scales.

7. An evaporation measuring device of a water amount according to claim 6, wherein: and the indication vertical plate (7) is marked with a water evaporation amount numerical value corresponding to unit scales.

8. An evaporation measuring device of a water amount according to any one of claims 1 to 4, wherein: the floating plate (5) is of a hollow structure.

9. An evaporation measuring device of a water amount according to any one of claims 1 to 4, wherein: the weight sliding block (3) is an iron block.