CN210278290U

CN210278290U - Stable overflow device suitable for EB601 type evaporation barrel

Info

Publication number: CN210278290U
Application number: CN201921058569.8U
Authority: CN
Inventors: 刘九夫; 蔡钊; 李薛刚; 廖爱民; 马涛; 王妞; 姜广旭; 廖敏涵
Original assignee: Nanjing Hydraulic Research Institute of National Energy Administration Ministry of Transport Ministry of Water Resources
Current assignee: Nanjing Hydraulic Research Institute of National Energy Administration Ministry of Transport Ministry of Water Resources
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-10
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a stable overflow arrangement suitable for EB601 type evaporation bucket belongs to meteorological and water conservancy field, including the evaporation bucket, programmable logic controller, the siphon overflow pipe, the solenoid valve, the electromagnetic flowmeter, a pair of water level control sensor of right inner wall fixedly connected with of evaporation bucket, and a pair of water level control sensor distributes from top to bottom, programmable logic controller fixed connection is in the outer end of EB601 peripheral concrete wall, siphon overflow pipe fixed connection is on the evaporation bucket, the one end of siphon overflow pipe is pegged graft in the evaporation bucket, the other end of siphon overflow pipe extends to outside the evaporation bucket, through the siphon principle, utilize the characteristics of siphon flow stability, cooperate solenoid valve and electromagnetic flowmeter simultaneously, and the rainfall of cooperation test field measurement, guarantee in EB601 vaporization system, to the accurate determination of overflow and evaporation capacity.

Description

Stable overflow device suitable for EB601 type evaporation barrel

Technical Field

The utility model relates to a meteorological and water conservancy field, more specifically say, relate to a stable overflow arrangement suitable for EB601 type evaporation bucket.

Background

Evaporation is a natural meteorological phenomenon, evaporation observation is an important project in each test field of water conservancy and meteorological departments, and the existing EB601 type evaporation device has national standard specifications, but some details are not perfect. In particular an overflow of an evaporation device.

The existing overflow port is only a metal pipe with the diameter of 15mm embedded in an evaporation barrel, the total amount of rainwater overflow generated during rainfall is not counted, the actual water level and the total amount of overflow water in the evaporation barrel after rainfall cannot be known, meanwhile, the fluctuation of the water surface generated by a common overflow hole during overflow is not considered, and the influence on the measurement of the water level in the evaporation barrel is avoided.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Problem to exist among the prior art, the utility model aims to provide a stable overflow arrangement suitable for EB601 type evaporation bucket, it passes through the siphon principle, utilize the characteristics of siphon flow stability, cooperate solenoid valve and electromagnetic flowmeter simultaneously, can make when the water level in the evaporation bucket is higher than the overflow water level through solenoid valve control, through the siphon overflow, and the intraductal flow stability of siphon, electromagnetic flowmeter can survey the total water yield that overflows the evaporation bucket when the rainfall, flow stability when both having guaranteed the overflow, do not influence the water level fluctuation in the evaporation bucket, overflow total amount when also can measuring the rainfall, and the cooperation test field measuring rainfall, guarantee in EB601 vaporization system, to the accurate determination of overflow volume and evaporation capacity.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a stable overflow device suitable for an EB601 type evaporation barrel comprises the evaporation barrel, a Programmable Logic Controller (PLC), a siphon overflow pipe, an electromagnetic valve and an electromagnetic flowmeter, wherein the right inner wall of the evaporation barrel is fixedly connected with a pair of water level control sensors which are distributed up and down, the EB601 type evaporator is provided with a peripheral concrete wall, the PLC is fixedly connected with the outer end of the peripheral concrete wall, the siphon overflow pipe is fixedly connected to the evaporation barrel, one end of the siphon overflow pipe is inserted into the evaporation barrel, the other end of the siphon overflow pipe extends out of the evaporation barrel, the electromagnetic valve and the electromagnetic flowmeter are respectively and fixedly arranged on the siphon overflow pipe, the electromagnetic valve and the electromagnetic flowmeter are sequentially arranged from left to right, the electromagnetic valve and the electromagnetic flowmeter are both positioned on the upper side of the ground, and the characteristic of stable siphon flow is utilized through the siphon principle, meanwhile, the electromagnetic valve and the electromagnetic flowmeter are matched, when the water level in the evaporation barrel is higher than the overflow water level through the control of the electromagnetic valve, the characteristic of stable flow during siphon overflow is utilized, the total water quantity overflowing out of the evaporation barrel during rainfall can be measured through the electromagnetic flowmeter, the stable flow during overflow is ensured, the fluctuation of the water level in the evaporation barrel is not influenced, the total overflow quantity during rainfall can also be measured, and the accurate measurement of the overflow quantity and the evaporation quantity in an EB601 evaporation system is ensured by matching the rainfall measured by a test field.

Furthermore, the water level control sensor is electrically connected to the programmable PLC controller, and the model of the water level control sensor is an MIK-P260 water level control sensor.

Furthermore, the electromagnetic valve is electrically connected to the programmable PLC controller, and the type of the electromagnetic valve is 2W-025-08 electromagnetic valve.

Furthermore, the electromagnetic flowmeter is electrically connected to the programmable PLC controller, and the model of the electromagnetic flowmeter is Shanghai starry air XKD99Z electromagnetic flowmeter.

Further, the distance between the water level control sensor positioned on the lower side and the bottom end in the evaporation barrel is larger than the distance between the end part of the siphon overflow pipe and the evaporation barrel, and the end part of the siphon overflow pipe is positioned in the evaporation barrel.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

this scheme passes through the siphon principle, utilize the characteristics of the stable flow of siphon, cooperate solenoid valve and electromagnetic flowmeter simultaneously, can be so that when the water level in the evaporation bucket is higher than the overflow water level through solenoid valve control, the flow in the siphon overflow pipe is stable, the total water yield of overflow evaporation bucket can be surveyed to the electromagnetic flowmeter when the rainfall, the flow is stable when both having guaranteed the overflow, do not influence the water level fluctuation in the evaporation bucket, measure the overflow total amount when also measuring the rainfall, and cooperate the rainfall of test field measurement, guarantee in EB601 vaporization system, to the accurate survey of overflow volume.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic block diagram of the present invention.

The reference numbers in the figures illustrate:

the device comprises an evaporation barrel 1, a water level control sensor 2, a programmable PLC 3, a siphon overflow pipe 4, an electromagnetic valve 5, an electromagnetic flowmeter 6 and a peripheral concrete wall 7.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-2, a stable overflow device suitable for an EB601 type evaporation barrel comprises an evaporation barrel 1, a Programmable Logic Controller (PLC) 3, a siphon overflow pipe 4, a solenoid valve 5 and an electromagnetic flowmeter 6, wherein a mounting groove is formed on the ground, the evaporation barrel 1 is fixedly connected to the inner wall of the mounting groove, the mounting groove is used for mounting the evaporation barrel 1, a peripheral concrete wall 7 is formed on the ground, the PLC 3 is fixedly connected to the outer end of the peripheral concrete wall 7, the PLC 3 plays a role of main control, the siphon overflow pipe 4 is fixedly connected to the evaporation barrel 1, one end of the siphon overflow pipe 4 is inserted into the evaporation barrel 1, the other end of the siphon overflow pipe 4 extends out of the evaporation barrel 1, and a siphon principle can be realized when the water level reaches the siphon level;

the electromagnetic valve 5 and the electromagnetic flowmeter 6 are respectively and fixedly installed on the siphon overflow pipe 4, the electromagnetic valve 5 and the electromagnetic flowmeter 6 are sequentially arranged from left to right, the electromagnetic valve 5 and the electromagnetic flowmeter 6 are both positioned on the upper side of the ground, the electromagnetic valve 5 is electrically connected to the programmable PLC controller 3, the electromagnetic valve 5 is used for opening and closing siphon overflow, the type of the electromagnetic valve 5 is a 2W-025-08 electromagnetic valve, the electromagnetic flowmeter 6 is electrically connected to the programmable PLC controller 3, the type of the electromagnetic flowmeter 6 is a Shanghai air XKD99Z electromagnetic flowmeter, the electromagnetic flowmeter 6 is used for measuring the water quantity of the overflow, the accuracy of the electromagnetic flowmeter 6 of the type is higher than ten-thousandth 4, the accurate determination of the flow is ensured, a vacuum state is kept between the siphon overflow pipe 4 and the electromagnetic valve 5 positioned in the evaporation barrel 1, and siphon overflow;

a pair of water level control sensor 2 of right inner wall fixedly connected with of evaporation bucket 1, and a pair of water level control sensor 2 distributes from top to bottom, 2 electric connection of water level control sensor is in programmable logic controller 3, water level control sensor 2 is used for the detection of water level, and feed back programmable logic controller 3 with it, thereby realize solenoid valve 5's switching, water level control sensor 2's model is MIK-P260 water level control sensor, the distance between water level control sensor 2 that is located the downside and the 1 interior bottom end of evaporation bucket is greater than the distance between the tip of siphon overflow pipe 4 and evaporation bucket 1, and the tip of siphon overflow pipe 4 is located evaporation bucket 1.

When the interior water level of evaporating bucket 1 reachd the upper portion sensor position of water level control sensor 2, because water level control sensor 2's detection, feed back information to programmable logic controller 3, programmable logic controller 3 can control solenoid valve 5 and open this moment, thereby water in the evaporating bucket 1 can get into siphon overflow pipe 4 in, thereby form the siphon, when the water level that detects is less than water level control sensor 2's lower part sensor position, programmable logic controller 3 can control solenoid valve 5 and close this moment, the siphon stops, electromagnetic flowmeter 6 is used for detecting the water yield of overflow.

The working principle is as follows: when the water level in the evaporation barrel 1 reaches the position of the sensor at the upper part of the water level control sensor 2, the programmable PLC controller 3 automatically controls the electromagnetic valve 5 to be opened, the water in the evaporation barrel 1 can enter the siphon overflow pipe 4 at the moment to form a siphon phenomenon, the electromagnetic flowmeter 6 measures the water quantity of the overflow, and when the water level is lower than the position of the sensor at the lower part of the water level control sensor 2, the programmable PLC controller 3 automatically controls the electromagnetic valve 5 to be closed, and the siphon overflow is stopped.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides a stabilize overflow arrangement suitable for EB601 type evaporation bucket, includes evaporation bucket (1), programmable logic controller (3), siphon overflow pipe (4), solenoid valve (5) and electromagnetic flow meter (6), its characterized in that: the right inner wall fixedly connected with of evaporation bucket (1) a pair of water level control sensor (2), and a pair of water level control sensor (2) distribute from top to bottom, EB601 type evaporator has peripheral concrete wall (7), and programmable logic controller (3) fixed connection in the outer end of peripheral concrete wall (7), siphon overflow pipe (4) fixed connection is on evaporation bucket (1), the one end of siphon overflow pipe (4) is pegged graft in evaporation bucket (1), the other end of siphon overflow pipe (4) extends to outside evaporation bucket (1), solenoid valve (5) and electromagnetic flowmeter (6) are fixed mounting respectively on siphon overflow pipe (4), and solenoid valve (5) and electromagnetic flowmeter (6) arrange in proper order from left to right, solenoid valve (5) and electromagnetic flowmeter (6) all are located the upside in ground.

2. The stable overflow device suitable for the EB601 type evaporation barrel of claim 1, wherein: the water level control sensor (2) is electrically connected to the programmable PLC controller (3), and the model of the water level control sensor (2) is an MIK-P260 water level control sensor.

3. The stable overflow device suitable for the EB601 type evaporation barrel of claim 1, wherein: the electromagnetic valve (5) is electrically connected to the programmable PLC (3), and the type of the electromagnetic valve (5) is 2W-025-08 electromagnetic valve.

4. The stable overflow device suitable for the EB601 type evaporation barrel of claim 1, wherein: the electromagnetic flowmeter (6) is electrically connected to the programmable PLC controller (3), and the type of the electromagnetic flowmeter (6) is Shanghai air XKD99Z electromagnetic flowmeter.

5. The stable overflow device suitable for the EB601 type evaporation barrel of claim 1, wherein: the distance between the water level control sensor (2) and the inner bottom end of the evaporation barrel (1) is larger than the distance between the end part of the siphon overflow pipe (4) and the evaporation barrel (1), and the end part of the siphon overflow pipe (4) is positioned in the evaporation barrel (1).