CN214225456U

CN214225456U - Evaporation water level control device of meteorological station

Info

Publication number: CN214225456U
Application number: CN202120030662.9U
Authority: CN
Inventors: 沈玉亮; 陈菁菁; 吴健; 黄维; 何越; 张广元; 殷剑; 曹辉; 陆斌; 陈建春; 金华星
Original assignee: Anhui Atmosphere Detection Technical Guarantee Center
Current assignee: Anhui Atmosphere Detection Technical Guarantee Center
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-09-17
Anticipated expiration: 2031-01-06

Abstract

The utility model belongs to the technical field of meteorological observation, concretely relates to meteorological observation station evaporation water level control device. The utility model discloses an evaporation barrel and measuring cylinder thereby both communicate each other through communicating pipe and form U type linker structure, its characterized in that: a sensing part for sensing the water level line in the measuring cylinder is arranged in the measuring cylinder, and the device also comprises a driving component for driving the measuring cylinder to generate vertical lifting action; when the water level in the sensing measuring cylinder is lower than or higher than the set water level, the driving component drives the measuring cylinder to generate corresponding lifting action, so that the water level in the measuring cylinder is always in the set water level range. The utility model discloses can still can ensure the normal operating of meteorological observation station when the water level is higher than or is less than the warning water level in the evaporation bucket to ensure the accuracy of meteorological observation station evaporation data that obtain under various weather.

Description

Evaporation water level control device of meteorological station

Technical Field

The utility model belongs to the technical field of meteorological observation, concretely relates to meteorological observation station evaporation water level control device.

Background

Evaporation is an important way for realizing communication between the ground and air water vapor; the research on the evaporation capacity plays an important role in water balance, and also has important significance in the fields of climate change, water resource utilization, irrigation, agricultural evapotranspiration and the like. The evaporation measured by the meteorological station refers to the height of a water layer lost by evaporation of a certain area of water surface within a certain time interval. The observation quality of the meteorological station has close correlation with the water level of the evaporation barrel; according to the requirement of the evaporation sensor maintenance specification, the water level of the evaporation barrel is required to be kept at a proper height, and an observer is required to perform regular maintenance. The manual water drawing of the evaporation barrel has strict requirements on operation specifications, and irregular operation can generate bubbles in the communicating pipe, so that inaccurate data is caused. Meanwhile, for unattended meteorological observation stations and different weather processes, the timeliness of water pumping can not be guaranteed all the time, and therefore a lot of troubles are brought to normal work of the meteorological observation stations.

Disclosure of Invention

The utility model aims at overcoming above-mentioned prior art not enough, providing a meteorological observation station evaporation water level controlling means, can be in the evaporation bucket when the water level is higher than or is less than the warning water level, still can ensure meteorological observation station's normal operating to ensure the accuracy of the evaporation data that meteorological observation station obtained under various weather.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a meteorological station evaporation water level controlling means, includes evaporation barrel and a measuring cylinder, thereby both communicate each other through communicating pipe and form U type linker structure, its characterized in that: a sensing part for sensing the water level line in the measuring cylinder is arranged in the measuring cylinder, and the device also comprises a driving component for driving the measuring cylinder to generate vertical lifting action; when the water level in the sensing measuring cylinder is lower than or higher than the set water level, the driving component drives the measuring cylinder to generate corresponding lifting action, so that the water level in the measuring cylinder is always in the set water level range.

Preferably, the driving assembly comprises a lifting platform, and an upper table surface of the lifting platform forms a resting surface for resting the measuring cylinder; the lifting platform is provided with a threaded hole and forms threaded fit with the vertical screw rod, and the bottom end of the vertical screw rod and the output shaft of the stepping motor form power fit through a synchronous belt.

Preferably, the driving assembly further comprises a guide rod, and the guide rod vertically extends upwards from the base and penetrates through a guide hole in the lifting platform; a group of guide rods and guide holes which are matched with each other form a group of guide units, and the guide units are uniformly distributed in sequence around the axis of the measuring cylinder.

Preferably, the sensing part is an ultrasonic sensor; the sensing part is positioned at the opening of the measuring cylinder, and the sensing surface of the sensing part points to the liquid level of the measuring cylinder.

Preferably, the communicating pipe comprises a main pipe body directly communicating the evaporation barrel and a corrugated pipe transitionally connecting the main pipe body and the bottom of the measuring barrel, and lead of the main pipe body vertically penetrates through the base from bottom to top and is coaxially and fixedly connected with the corrugated pipe; the telescopic direction of the corrugated pipe is parallel to the lifting direction of the measuring cylinder.

Preferably, the bellows is coaxially sleeved with a compression spring for protection and auxiliary supporting.

The beneficial effects of the utility model reside in that:

1) and on the basis of the inherent structure of current meteorological observation station, the utility model discloses the unique structure of a liftable formula measuring cylinder has been adopted in a new way to can be higher than or be less than when warning the water level in the evaporation bucket, still can ensure the normal operating of meteorological observation station, thereby ensure the accuracy of the evaporation data that meteorological observation station obtained under various weather. Particularly, the utility model discloses a water level data come control drive assembly in the measuring cylinder that acquires sensing part collection in real time to control measuring cylinder produces the lift action that corresponds, and then realizes measuring the automatically regulated of a water level in the section of thick bamboo, finally keeps measuring cylinder water level to be in suitable height all the time. Practice shows, through the above-mentioned scheme, the utility model discloses can ensure the accuracy of evaporation data under various weather conditions, not only alleviate business personnel's burden, promote work efficiency, also improve evaporation data's utilizability, provide technical support for weather forecast service. The utility model discloses can effectual improvement evaporation survey data quality, also can promote the automatic development of ground meteorological observation equipment, for advancing meteorological modernization construction, play demonstration drive effect, have general using meaning to meteorological cause modernization construction.

2) And during actual work, the sensing part can be a common liquid level sensor, a traditional mechanical liquid level meter or other conventional liquid level detection structures can be adopted, and only the transmission function that information can be played when the water level in the measuring cylinder is higher than the alarm water level or lower than the alarm water level is required to be ensured. On the one hand, the utility model discloses the preferred ultrasonic sensor that adopts the sensing precision to realize under the contactless state to measuring cylinder water level's online continuous monitoring function; on the other hand, the stepping motor drives the screw rod sliding block mechanism to act, and then drives the lifting table to act, so that the measuring cylinder on the lifting table can generate timely lifting action. Under the effect of U type linker principle, the measuring cylinder goes up and down and the evaporation barrel is motionless, and the measuring cylinder can produce corresponding change according to the interior water level of evaporation barrel, finally ensures that the interior water level of measuring cylinder is located appointed water level scope all the time, and its mode of action is ingenious, and reliable operation is stable.

3) In actual work, the lead screw sliding block mechanisms driven by the stepping motors can be a plurality of groups, and a group of lead screw sliding block mechanisms can be matched with a plurality of groups of guide units, so that the final purpose is to ensure that the lifting platform can stably generate lifting action, and the process is not repeated herein.

4) And for the communicating pipe, the flexible pipe can be directly designed, so that a pipe body compensation effect can be achieved when the measuring cylinder is lifted, and the barrel cavity of the measuring cylinder is ensured to be communicated with the barrel cavity of the evaporation barrel all the time. More preferably, the utility model discloses with the communicating pipe split for being responsible for body and bellows, be responsible for the body and use conventional communicating pipe material can, the bellows then utilizes the scalability of self, plays the base and measures the online compensation function of distance between the bobbin base surface to the normal effective work of better assurance overall system.

5) And a compression spring with the functions of protection and auxiliary support is coaxially sleeved outside the corrugated pipe. On the one hand, the compression spring has the function of protecting the corrugated pipe, the corrugated pipe is prevented from being stressed obliquely and cannot stretch out and draw back normally, the outer wall of the corrugated pipe can be prevented from being collided by external sundries, and the actual service life of the corrugated pipe is ensured. On the other hand, the compression spring can play a role in sharing and assisting in supporting the lifting platform and the measuring cylinder by utilizing the elasticity of the compression spring, can also avoid the seizure condition of the screw rod and the lifting platform, and finally further improves the working reliability of the screw rod sliding block mechanism.

Drawings

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

The utility model discloses each reference numeral is as follows with the actual corresponding relation of part name:

a-water line

10-evaporation barrel 20-measuring barrel

30-communicating pipe 31-main pipe body 32-corrugated pipe 40-sensing part

51-lifting table 52-plumb screw 53-stepping motor 54-guide rod

60-base 70-compression spring 80-louver

Detailed Description

For the sake of understanding, the specific structure and operation of the present invention will be further described with reference to fig. 1:

the utility model discloses a concrete structure is shown in fig. 1, and its main mechanism is including burying underground in the evaporation vat 10 on ground, and evaporation vat 10 is connected the measuring cylinder 20 that is located one side through communicating pipe 30 along the below extension of earth's surface. The measuring cylinder 20 is mounted on the base 60 with the shutter 80 during the actual assembly and the water level in the measuring cylinder 20 is measured by the sensor 40, i.e. the ultrasonic sensor.

During assembly, the ultrasonic sensor is arranged at the opening of the measuring cylinder 20 and is connected with a corresponding signal receiving and controlling module on the base 60 or the blind box 80 through a flexible wire. The ultrasonic sensor can have the functions of water level monitoring and evaporation capacity measurement, and other sensors can be additionally arranged to realize the online measurement effect on information such as the evaporation capacity in the measuring cylinder 20; the detection and signal transmission methods are relatively conventional and will not be described herein.

As can be seen from fig. 1, the measuring cylinder 20 is designed in a cylindrical shape and is placed on a horizontal lifting platform 51, the lifting platform 51 is driven to lift by a lead screw slider module formed by a vertical lead screw 52 and a stepping motor 53, and the precise vertical lifting function is realized by a guide rod 54 and a guide hole. Under the action of a U-shaped communicating vessel formed by the evaporation barrel 10, the measuring barrel 20 and the communicating pipe 30, the water level lines a of the evaporation barrel 10 and the measuring barrel 20 are always equal in height; and because the measuring cylinder 20 is lifted and the evaporation cylinder 10 is not moved, even if the water level in the evaporation cylinder 10 is seriously too high or too low, the water level at the position of the measuring cylinder 20 can be always ensured to be at a proper height position by controlling the height of the measuring cylinder 20, so that enough operation space is provided for the later water adding and drawing operation, the accuracy of corresponding information acquisition at the position of the measuring cylinder 20 is synchronously ensured, the action mode is ingenious, and the work is reliable and stable.

For the communicating tube 30, including the main tube 31 and the bellows 32, the main tube 31 can be made of a conventional communicating tube material, and the bellows 32 can compensate the distance between the base 60 and the bottom surface of the measuring cylinder 20 on line by its own flexibility, so as to better ensure the normal and effective operation of the whole system. On one hand, the compression spring 70 has the function of protecting the corrugated pipe 32, so that the corrugated pipe 32 is prevented from being stressed and being inclined to be incapable of extending normally, the outer wall of the corrugated pipe 32 is prevented from being collided by external sundries, and the actual service life of the corrugated pipe 32 is ensured; on the other hand, the compression spring 70 can also utilize its own elasticity to play a role of sharing and assisting in supporting the lifting table 51 and the measuring cylinder 20, and can also avoid the lead screw from being seized with the lifting table 51, and finally further improve the working reliability of the lead screw slider mechanism.

The utility model discloses the in-service operation, both can arrange traditional conventional water level monitored control system and use, also can use following system to carry out intelligent control and handle to give automatic control equipment with evaporation water level data transmission, utilize the height of instruction control sensing part 40, realize the real-time supervision and the automatic adjustment of evaporation water level. During specific operation, the overall architecture of the whole system consists of an application layer, a transmission layer and an access layer, wherein the application layer is mainly used for monitoring the operation condition of equipment and the evaporation water level data and has the functions of intelligent judgment, alarm and the like; the transmission layer mainly transmits data through the integrated hardware controller; the access layer is mainly a servo control mechanism.

(1) Servo control mechanism design

The drive assembly, the power lightning protector, the communication module, the control module and other sub-modules are structurally designed to ensure that the communication module can acquire evaporation water level data, and the control module can acquire the evaporation water level data and can control the height of the measuring cylinder 20 through the stepping motor 53.

(2) Software monitoring and early warning function

The collected evaporation water level data are uploaded to an evaporation water level intelligent control module in real time, and are analyzed and processed to realize intelligent monitoring, intelligent reminding and the like; meanwhile, a matched mobile terminal APP is developed and installed on the service mobile phone, and service personnel can receive information such as evaporation water level data and alarm in real time.

(3) Integrated development and testing

The integrated development test comprises a device integrated development test and an application integrated development test. The application integration development test comprises debugging of evaporation water level control software, so that the software can read evaporation water level data and precipitation data in real time and generate an accurate height control instruction. The equipment integration development test comprises debugging of the integrated hardware controller, and timely transmission of data information of an application layer is guaranteed. The servo control mechanism performs an integrated test to ensure that the control module can effectively control the stepping motor 53 to realize the height change of the measuring cylinder 20. Even if the water level in the evaporation barrel 10 is seriously too high or too low, the water level in the measurement barrel 20 can be always ensured to be at a proper height by controlling the height of the measurement barrel 20, so that enough operation space is provided for the later water adding and drawing operation.

(4) System back end management platform

The back end of the system mainly comprises modules of equipment management, data monitoring, data analysis, configuration management and the like. The main function of the equipment management is to monitor the running condition of the equipment in real time, such as the state of the stepping motor 53, and relevant information can be checked in real time through a computer or a mobile phone APP. The data monitoring comprises integrated hardware controller monitoring and evaporative water level data monitoring. And evaporation data monitoring is performed, evaporation water level data uploaded in real time are managed, and data query can be performed according to various combination conditions. The data analysis mainly carries out intelligent judgment by acquiring evaporation water level data and precipitation. The configuration management can set the highest water level, the lowest water level, the standard water level, etc. of the evaporation alarm. The system utilizes the technical means of artificial intelligence, industrial control and the like, and solves a series of problems of large maintenance workload, high operation requirement, untimely maintenance for some special sites, high maintenance cost and the like in the operation process of the sensing part. The water level data are acquired in real time to control equipment such as the stepping motor 53, automatic adjustment of the water level of the measuring cylinder 20 is achieved, the water level of the measuring cylinder 20 is kept at a proper height, accuracy of evaporation data under various weather conditions is guaranteed, burden of business personnel is relieved, working efficiency is improved, availability of the evaporation data is improved, and reliable technical support is provided for weather forecast service finally.

It will of course be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. An evaporation water level control device for a meteorological station, comprising an evaporation barrel (10) and a measuring barrel (20) which are communicated with each other through a communication pipe (30) to form a U-shaped communicating vessel structure, characterized in that: a sensing part (40) for sensing the water level line in the measuring cylinder (20) is arranged in the measuring cylinder (20), and the device also comprises a driving component for driving the measuring cylinder (20) to generate vertical lifting action; when the sensing part (40) senses that the water level in the measuring cylinder (20) is lower than or higher than the set water level, the driving component drives the measuring cylinder (20) to generate corresponding lifting action, so that the water level in the measuring cylinder (20) is always in the set water level range.

2. The evaporative water level control device of a meteorological station according to claim 1, wherein: the driving assembly comprises a lifting platform (51), and the upper table surface of the lifting platform (51) forms a resting surface for resting the measuring cylinder (20); the lifting platform (51) is provided with a threaded hole and forms threaded fit with the vertical screw rod (52), and the bottom end of the vertical screw rod (52) and the output shaft of the stepping motor (53) form power fit through a synchronous belt.

3. The evaporative water level control device of a meteorological station according to claim 2, wherein: the driving assembly further comprises a guide rod (54), and the guide rod (54) vertically extends upwards from the base and penetrates through a guide hole in the lifting platform (51); a group of guide rods (54) and guide holes which are matched with each other form a group of guide units, and the guide units are sequentially and uniformly distributed around the axis of the measuring cylinder (20).

4. The evaporative water level control device of a meteorological station according to claim 3, wherein: the sensing part (40) is an ultrasonic sensor; the sensing part (40) is positioned at the opening of the measuring cylinder (20), and the sensing surface of the sensing part (40) points to the liquid level of the measuring cylinder (20).

5. The evaporative water level control apparatus for a meteorological station according to claim 1, 2, 3 or 4, wherein: the communicating pipe (30) comprises a main pipe body (31) directly communicated with the evaporation barrel (10) and a corrugated pipe (32) transitionally connected with the main pipe body (31) and the barrel bottom of the measuring barrel (20), and the main pipe body (31) vertically penetrates through the base (60) from bottom to top and is coaxially and fixedly connected with the corrugated pipe (32); the expansion and contraction direction of the corrugated pipe (32) is parallel to the lifting and descending direction of the measuring cylinder (20).

6. The evaporative water level control device of a meteorological station according to claim 5, wherein: the corrugated pipe (32) is coaxially sleeved with a compression spring (70) which has the functions of protection and auxiliary support.