CN219179625U

CN219179625U - Water level automatic control system for large-scale evaporation observation of weather station

Info

Publication number: CN219179625U
Application number: CN202223542797.7U
Authority: CN
Inventors: 杨延志; 彭武坚; 林确略; 何文旺
Original assignee: Yulin Meteorological Bureau
Current assignee: Yulin Meteorological Bureau
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-13
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a water level automatic control system for large evaporation observation of a weather station, which belongs to the technical field of evaporation observation of the weather station, and comprises an evaporation barrel and a measuring barrel, wherein one side of the evaporation barrel is communicated with a first water pipe, the other end of the first water pipe is communicated with the measuring barrel, an ultrasonic sensor is arranged above the measuring barrel, a lower water level line and an upper water level line are arranged on the outer surface of the measuring barrel from bottom to top, a first glass pipe for controlling water adding and a second glass pipe for controlling water draining are vertically communicated on the first water pipe, and two water level sensors are respectively arranged on the first glass pipe and the second glass pipe. The automatic maintenance device for the evaporator for the weather observation station can replace manual water addition under the condition of automatically controlling the water level, reduces measurement errors, and has the characteristics of convenience in use and strong practicability.

Description

Water level automatic control system for large-scale evaporation observation of weather station

Technical Field

The utility model relates to the technical field of evaporation observation of weather stations, in particular to a water level automatic control system for large-scale evaporation observation of a weather station.

Background

Currently, an E-601B type evaporator (sensor) is commonly used in ground meteorological observation, and an ultrasonic evaporation amount sensor for automatic observation is used, while the ultrasonic sensor measurement has a certain requirement on the water level, the water level in an evaporation barrel is required to be in an effective highest water level and low water level range (about 10 cm), if the water in the evaporator is too full, overflow or splashing can occur, abnormal evaporation amount is caused, if the water level in the evaporator is too low, evaporation rate can be reduced due to excessive shading and shielding of edges, and the ground meteorological observation is basically realized, but the water level control in the current large evaporation observation is still difficult.

Through retrieving, the automatic maintenance device of an evaporator for a weather observation station with the publication number of CN214669671U, the scheme of the patent discloses that a measuring barrel is connected with the top of an aluminum plastic pipe in a threaded manner, an ultrasonic sensor is fixed at the top of the measuring barrel, a singlechip is fixed at the top of the ultrasonic sensor, and a lower water level line and an upper water level line are arranged on the outer surface of the measuring barrel from bottom to top. The device can realize automatic water level control in large-scale evaporation observation, but adopts an external water source in the water supplementing process, and because the accuracy requirement of evaporation observation is very high, the temperature difference exists between the supplemented water and the original water of the evaporation barrel, and the water temperature of the evaporation barrel can be changed after the water is supplemented, so that the evaporation capacity is influenced, and the observation result has errors. And the ultrasonic sensor needs to be responsible for detection of evaporation capacity and control of water level, can make measurement data receive the interference in actual use, and the time of adding water can't ensure to go on at the night that evaporation capacity is less or none, and automatic water adding influences the accuracy of evaporation capacity when evaporation capacity is great, adopts outside water source in the in-process of moisturizing moreover, and outside water source has the difference with the temperature of evaporating vat for evaporation rate is inconsistent, leads to measuring result inaccurate.

Disclosure of Invention

The utility model aims to solve the technical problems of the prior art, and provides an automatic maintenance device for an evaporator for a weather observation station, which can reduce measurement errors under the condition of automatically controlling water level and has the characteristics of convenient use and strong practicability.

The technical scheme adopted by the utility model is as follows: the utility model provides a water level automatic control system that weather station was observed in large-scale evaporation, includes evaporating drum and measuring drum, evaporating drum one side intercommunication have first water pipe, first water pipe other end and measuring drum intercommunication, measuring drum top be equipped with ultrasonic sensor, measuring drum surface from down upwards be equipped with down the water line, go up the water line, first water pipe on the intercommunication have first glass pipe that is used for controlling the water and the second glass pipe that is used for controlling the drainage perpendicularly, first glass pipe, second glass pipe on all be equipped with two water level sensor, water level sensor electric connection have level controller, evaporating drum in be equipped with first suction pump, the exit end of first suction pump be connected with the drain pipe, evaporating drum opposite side be equipped with the flourishing cask, the flourishing cask in be equipped with the second suction pump, the delivery port of second suction pump extend to the top of evaporating drum through the second, one side intercommunication of flourishing cask have the third water pipe, the third water pipe on be equipped with ball valve.

As a further improvement, four water rings are arranged around the periphery of the evaporation barrel, the four water rings are mutually communicated, and one water ring is communicated with the water containing barrel through a fourth water pipe.

Further, a drain hole is formed above the water ring, and a ring table which is annularly arranged is arranged on the periphery of the water ring.

Further, the liquid level controller is electrically connected with the first water suction pump and the second water suction pump, and the liquid level controller is connected with the water level sensor.

Further, the water level sensor is electrically connected with a timing controller.

Further, a switch is arranged on the first water pipe, and the first glass pipe is arranged on the first water pipe between the switch and the measuring barrel.

Further, the upper end of the evaporation barrel is provided with an overflow pipe communicated with the evaporation barrel.

Further, the peripheries of the first glass tube and the second glass tube are covered with protective sleeves, and the periphery of the measuring barrel is provided with a shutter box.

Further, the first glass tube and the second glass tube are arranged in the louver box.

Advantageous effects

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

the utility model relates to an automatic maintenance device of an evaporator for a weather observation station, which monitors the water level of a large-sized evaporation barrel through two water level sensors on a first glass pipe and a second glass pipe, wherein the two water level sensors on the first glass pipe are respectively provided with a water surface trigger point and a stop point for water adding, the two water level sensors on the second glass pipe are respectively provided with a water surface trigger point and a stop point for water draining, the stop points are respectively arranged between a lower water level line and an upper water level line (the ideal water level is 45-90mm higher than the lower water level line), the water level of the evaporation barrel is kept within a specified height, the water level of the evaporation barrel is kept within the specified height due to the fact that the evaporation barrel is communicated with a measuring barrel, the water level sensors on the first glass pipe and the second glass pipe are used for monitoring the water level, and are separated and independently operated, so that monitoring data are independently collected and processed, the measurement data are prevented from being interfered, when the water level rises to an overflow port, the water level controller above the second glass pipe is triggered, and the water level controller is started when the water level of the evaporation barrel is lowered to the water level is started, and the water level of the second glass is started when the water level controller is started. When the water level of the evaporation barrel falls to the lower water level line due to natural evaporation, the sensor below the first glass tube triggers the liquid level controller at the same time, the second water suction pump starts to work to add water, when the water level rises to the liquid level controller above the first glass tube, the water addition is stopped, so that the water level of the evaporation barrel is kept between the lower water level line and the upper water level line, the second water suction pump pumps water from the water containing barrel, and because the water containing barrel and the evaporation barrel are located in the same environment, the water temperature of the evaporation barrel is consistent with the water temperature of the water containing barrel, the water temperature change of the evaporation barrel is small after water is added, the evaporation rate is consistent before and after water addition, the data of evaporation measurement are more accurate, and the water level measuring device has the characteristics of convenience in use and wide application range.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

fig. 2 is a schematic top view of the present utility model.

Wherein: the device comprises a 1-evaporation barrel, a 2-measuring barrel, a 3-first water pipe, a 4-ultrasonic sensor, a 5-upper water level line, a 6-lower water level line, a 7-first glass pipe, an 8-water level sensor, a 9-liquid level controller, a 10-first water suction pump, a 11-water bucket, a 12-second water suction pump, a 13-second water pipe, a 14-third water pipe, a 15-ball float valve, a 16-water ring, a 17-fourth water pipe, a 18-fourth water pipe, a 19-ring table, a 20-switch, a 21-shutter box, a 22-second glass pipe, a 23-drain hole, a 24-protective sleeve, a 25-timing controller and a 26-drain pipe.

Detailed Description

The utility model will be further described with reference to specific embodiments in the drawings.

Referring to figures 1-2, the water level automatic control system for large evaporation observation of a weather station comprises an evaporation barrel 1 and a measuring barrel 2, wherein one side of the evaporation barrel 1 is communicated with a first water pipe 3, the other end of the first water pipe 3 is communicated with the measuring barrel 2, an ultrasonic sensor 4 is arranged above the measuring barrel 2, the outer surface of the measuring barrel 2 is provided with a lower water level line 6 and an upper water level line 5 from bottom to top, a first glass pipe 7 for controlling water adding and a second glass pipe 22 for controlling water draining are vertically communicated on the first water pipe 3, two water level sensors 8 are arranged on the first glass pipe 7 and the second glass pipe 22, the water level sensors 8 are electrically connected with a liquid level controller 9, a first water pump 10 is arranged in the evaporation barrel 1, the outlet end of the first water pump 10 is connected with a drain pipe 26, the other side of the evaporation barrel 1 is provided with a water containing barrel 11, the water containing barrel 11 is arranged on the western side of the evaporation barrel 1, the water tank 11 is internally provided with a second water suction pump 12, the water outlet of the second water suction pump 12 extends to the upper part of the evaporation barrel 1 through a second water pipe 13, one side of the water tank 11 is communicated with a third water pipe 14, the third water pipe 14 is provided with a float valve 15, the water level of the large evaporation barrel 1 is monitored through two water level sensors 8 on a first glass pipe 7 and a second glass pipe 22, the two water level sensors 8 on the first glass pipe 7 are respectively provided with a water surface trigger point and a stop point for water feeding, the two water level sensors 8 on the second glass pipe 22 are respectively provided with a water surface trigger point and a stop point for water discharging, the stop points are respectively arranged between a lower water level line 6 and an upper water level line 5, the water level of the evaporation barrel 1 is kept in a specified height, the water level of the measurement barrel 2 can be kept in the specified height due to the fact that the evaporation barrel 1 is communicated with the measurement barrel 2, the accuracy of the measurement result is ensured, because the water level sensor 8 on the first glass tube 7 and the second glass tube 22 monitor the water level and work separately and independently from the ultrasonic sensor 4, the monitoring data are collected and processed independently, the interference of the measurement data is avoided, when the water level of the evaporation barrel 1 rises to be close to the overflow port due to precipitation, the water level sensor 8 above the second glass tube 22 triggers the liquid level controller 9 at the same time, the liquid level controller 9 controls the first water suction pump 10 to start the water drainage work, and when the water level drops to the ideal water level, the water level sensor 8 below the second glass tube 22 controls to stop the water drainage. When the water level of the evaporation barrel 1 drops to 45mm from the lower water level line due to natural evaporation, the water level sensor 8 below the first glass tube 7 triggers the liquid level controller 9 at the same time, the liquid level controller 9 controls the second water suction pump 12 to start water adding operation, when the water level rises to 90mm from the first glass tube 7 to the lower water level line, the water level sensor 8 above the first glass tube 7 controls to stop water adding, so that the water level of the evaporation barrel 1 is kept between the lower water level line 6 and the upper water level line 5 (the ideal water level is 45-90mm higher than the lower water level line), the second water suction pump 12 pumps water from the water barrel 11, and because the water barrel 11 and the evaporation barrel 1 are positioned in the same environment, the water temperature of the evaporation barrel 1 is close to the water temperature of the water barrel 11, so that after water adding, the water temperature change of the evaporation barrel 1 is small, the evaporation rate of water is not affected, the measured data are more accurate, after the water level of the water barrel 11 drops, automatic water adding is performed through the third water pipe 14, the water adding pipe is connected with tap water, and the water can be automatically supplemented through the third water pipe 14, so that the water can be the water barrel 11 automatically supplemented through the water adding ball valve 15.

Specifically, four water rings 16 are circumferentially arranged on the periphery of the evaporation barrel 1, the four water rings 16 are mutually communicated, one water ring 16 is communicated with the water containing barrel 11 through a fourth water pipe 17, the water surface in the water ring 16 is close to the water surface in the evaporation barrel 1, and the effect is that the influence of solar radiation on evaporation capacity is reduced; secondly, the influence of precipitation on the evaporation capacity is reduced. To ensure that the water in the water ring 16 meets the requirements, the water rings are mutually communicated, and as the water ring 16 is communicated with the water containing barrel 11, the water surface of the water containing barrel 11 is consistent with the water surface in the water ring 16 by utilizing a float valve 15 arranged on the water containing barrel 11.

Preferably, a drain hole 23 is formed above the water ring 16 for overflowing water flowing in from rain, and a ring table 19 is arranged on the periphery of the water ring 16, which is similar to the protection of the whole device in the field.

Further, the liquid level controller 9 is electrically connected with the first water pump 10 and the second water pump 12, the liquid level controller 9 is connected with the water level sensor 8, and the liquid level controller 9 controls water feeding and draining operations of the first water pump 10 and the second water pump 12 through signals fed back by the water level sensor 8.

Further, the water level sensor 8 is electrically connected with a timing controller 25, and the timing controller 25 controls the water adding time, controls the water adding work at night, and reduces the influence of the water adding on the daily evaporation amount.

Further, a switch 20 is provided on the first water pipe 3, and a first glass pipe 7 is arranged on the first water pipe 3 between the switch 20 and the measuring tank 2 for controlling the opening and closing of the water flow on the first water pipe 3.

Further, the upper end of the evaporation barrel 1 is provided with an overflow pipe 18 communicated with the evaporation barrel, and drainage can be performed through the overflow pipe 18 when heavy rain occurs.

Further, the first glass tube 7 is covered with a protective sleeve 24, and the measuring barrel 2 is provided with a shutter box 21 at the periphery, so as to protect the water level sensor 8 and the ultrasonic sensor 4.

Further, the first glass tube 7 and the second glass tube 22 are arranged in the louver box 21, the glass tubes are fragile articles, and the first glass tube 7 and the second glass tube 22 can be better protected by being placed in the louver box 21.

When the automatic water level control system for large evaporation observation of a weather station in this embodiment is used, the water level of a large evaporation barrel 1 is monitored through two water level sensors 8 on a first glass tube 7 and a second glass tube 22, the water level trigger points and stopping points for water adding and taking are respectively arranged on the two water level sensors 8 on the first glass tube 7 from bottom to top, the water level trigger points and the stopping points for water draining are respectively arranged on the two water level sensors 8 on the second glass tube 22 from top to bottom, the stopping points are respectively arranged between a lower water level line 6 and an upper water level line 5 (the ideal water level is 45-90mm higher than the lower water level line), the water level of the evaporation barrel 1 is kept in a specified height, the water level of the measurement barrel 2 can be kept in the specified height due to the fact that the evaporation barrel 1 is communicated with the measurement barrel 2, the water level trigger points and the stopping points for water level monitoring are respectively arranged on the two water level sensors 8 on the first glass tube 7 and the second glass tube 22 from top to bottom, the water level sensor 4 is separated and independently operated, so that the monitoring data are separately collected and processed, the water level is prevented from being disturbed by the ultrasonic sensor 4, and the water level sensor 8 is prevented from being separated from the water level sensor 8, and the water level sensor is kept in the specified height, and the accurate water level is kept in the specified height due to the condition, and the water level. When the water level of the evaporation barrel 1 drops to the lower water level line 6 due to natural evaporation, the water level sensor 8 below the first glass tube 7 triggers the liquid level controller 9 at the same time, the liquid level controller 9 controls the second water suction pump 12 to start the water adding work, when the water level rises to the ideal water level, the water adding work is stopped, the water level of the evaporation barrel 1 is kept between the lower water level line 6 and the upper water level line 5 (the ideal water level is 45-90mm higher than the lower water level line), the second water suction pump 12 pumps water from the water containing barrel 11, and because the water containing barrel 11 and the evaporation barrel 1 are positioned in the same environment, the water temperature of the evaporation barrel 1 is close to the water temperature of the water containing barrel 11, so that after the water is added, the water temperature change of the evaporation barrel 1 is small, and the evaporation measurement data is more accurate. The automatic maintenance device for the evaporator for the weather observation station can reduce measurement errors under the condition of automatically controlling the water level, and has the characteristics of convenience in use and strong practicability.

While only the preferred embodiments of the present utility model have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims

1. The utility model provides a water level automatic control system of large-scale evaporation observation of weather station, includes evaporating drum (1) and measuring drum (2), evaporating drum (1) one side intercommunication have first water pipe (3), first water pipe (3) other end and measuring drum (2) intercommunication, measuring drum (2) top be equipped with ultrasonic sensor (4), measuring drum (2) surface from down upwards be equipped with water line (6), go up water line (5), its characterized in that, first water pipe (3) on the vertical intercommunication have first glass pipe (7) that are used for controlling the water adding and be used for controlling the second glass pipe (22) of drainage, first glass pipe (7) and second glass pipe (22) on all be equipped with two water level sensor (8), water level sensor (8) electric connection have liquid level controller (9), evaporating drum (1) in be equipped with first suction pump (10), the exit end of first suction pump (10) be connected with drain pipe (26), evaporating drum (1) on the opposite side be equipped with water pump (12) in the second water pipe (12) that the evaporating drum (1) is equipped with, water pump (12) on the second water holding drum (12) extends, one side of the water containing barrel (11) is communicated with a third water pipe (14), and a ball float valve (15) is arranged on the third water pipe (14).

2. The automatic water level control system for large evaporation observation of a weather station according to claim 1, wherein four water rings (16) are circumferentially arranged on the periphery of the evaporation barrel (1), the four water rings (16) are mutually communicated, and one water ring (16) is communicated with the water containing barrel (11) through a fourth water pipe (17).

3. The automatic water level control system for large evaporation observation of a weather station according to claim 2, wherein a drain hole (23) is formed above the water ring (16), and a ring table (19) which is annularly arranged is arranged on the periphery of the water ring (16).

4. The automatic water level control system for large evaporation observation of a weather station according to claim 1, wherein the liquid level controller (9) is electrically connected with the first water pump (10) and the second water pump (12), and the liquid level controller (9) is connected with the water level sensor (8).

5. The automatic water level control system for large evaporation observation of a weather station according to claim 1, wherein the water level sensor (8) is electrically connected with a timing controller (25).

6. The automatic water level control system for large evaporation observation of a weather station according to claim 1, wherein the first water pipe (3) is provided with a switch (20), and the first glass pipe (7) is arranged on the first water pipe (3) between the switch (20) and the measuring barrel (2).

7. The automatic water level control system for large evaporation observation of a weather station according to claim 1, wherein the upper end of the evaporation barrel (1) is provided with an overflow pipe (18) communicated with the evaporation barrel.

8. The automatic water level control system for large evaporation observation of a weather station according to claim 1, wherein the peripheries of the first glass tube (7) and the second glass tube (22) are covered with a protective sleeve (24), and the periphery of the measuring barrel (2) is provided with a shutter box (21).

9. The automatic water level control system for large evaporation observation of a weather station according to claim 8, wherein the first glass tube (7) and the second glass tube (22) are arranged in a louver box (21).