CN113959526A - Water level monitoring system and method for water photovoltaic power station - Google Patents
Water level monitoring system and method for water photovoltaic power station Download PDFInfo
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- CN113959526A CN113959526A CN202111401888.6A CN202111401888A CN113959526A CN 113959526 A CN113959526 A CN 113959526A CN 202111401888 A CN202111401888 A CN 202111401888A CN 113959526 A CN113959526 A CN 113959526A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention belongs to the technical field of photovoltaic power generation, and particularly discloses a water level monitoring system and method of an overwater photovoltaic power station. Including the case becomes bearing structure, the case becomes bearing structure and establishes on the surface of water, and case becomes bearing structure top and is equipped with box transformer, and case becomes bearing structure side and is equipped with the radar level gauge, and the radar level gauge output water level signal gives alarm device. The method comprises the following steps: the radar liquid level meter acquires the height of the water surface; if the acquired water surface height is smaller than the preset water level alarm height, the alarm system does not respond, and the irrigation and drainage station irrigates the box transformer substation pile foundation with water at a balanced water level; and if the acquired water surface height is greater than the preset water level alarm height, the alarm system gives an alarm, and the drainage station drains water. The radar liquid level meter is adopted to detect the height of the water surface, so that the water level can be accurately monitored in real time, and safety accidents caused by manual detection in flood season are avoided. The water level signal detected by the radar liquid level meter is output to the alarm device and the irrigation and drainage station, so that the water level is balanced while the alarm is given, and the safety is guaranteed.
Description
Technical Field
The invention belongs to the technical field of photovoltaic power generation, and particularly relates to a water level monitoring system and method for an overwater photovoltaic power station.
Background
Photovoltaic power generation has developed very rapidly in recent years as a main form of clean energy. With the increasing shortage of land resources on land, the photovoltaic power on water is more and more valued and developed.
The water level monitoring of the photovoltaic power station on water is very important for guaranteeing the safe operation of the power station. Conventional waterborne photovoltaic power stations typically have a water level gauge disposed on the surface of a support column of the photovoltaic power generation assembly. After long-time wind blowing and sun drying, the surface of the supporting column is easy to corrode, and the water level scale on the surface is easy to be blurred and unclear. In addition, when the water level is checked by a general water level scale, people need to check the water level by a ship, the efficiency is low, and the water level cannot be monitored in real time. Especially when the flood season comes, operation and maintenance personnel need to launch many times every day to check water level changes, the workload is large, and the safety risk of drowning also exists.
Disclosure of Invention
The invention aims to provide a water level monitoring system and method of an overwater photovoltaic power station to solve the technical problems that the water level monitoring efficiency of the overwater photovoltaic power station is low and the water level is difficult to distinguish.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a photovoltaic power plant's on water level monitoring system, becomes bearing structure including the case, the case becomes bearing structure and sets up on the surface of water, case becomes bearing structure top and is equipped with box transformer, case becomes bearing structure side and is equipped with the radar level gauge, radar level gauge signal output part links to each other with alarm device signal input part.
The invention is further improved in that: and the signal output end of the radar liquid level meter is connected with the signal input end of the irrigation and drainage station.
The invention is further improved in that: the box becomes bearing structure includes box transformer substation platform and box transformer substation pile foundation, the vertical setting of box transformer substation pile foundation is in aqueous, the box transformer substation platform sets up in box transformer substation pile foundation top.
The invention is further improved in that: the radar liquid level meter is fixed on the side face of the box transformer substation platform through a liquid level meter supporting structure.
The invention is further improved in that: the liquid level meter supporting structure comprises a horizontal supporting piece and a vertical supporting piece, one end of the horizontal supporting piece is horizontally connected with the box transformer substation platform, the other end of the horizontal supporting piece is connected with the upper end of the vertical supporting piece, and the lower end of the vertical supporting piece is connected with the radar liquid level meter.
The invention is further improved in that: a rainproof sunshade is arranged above the vertical supporting piece.
The invention is further improved in that: and 4-20 mA signals output by the radar liquid level meter are sent to an alarm system.
The invention is further improved in that: the length of the horizontal supporting piece is 0.5-1 m.
In a second aspect, a water level monitoring method for an overwater photovoltaic power station comprises the following steps:
the radar liquid level meter acquires the height of the water surface;
if the acquired water surface height is smaller than the preset water level alarm height, the alarm system does not respond, and the irrigation and drainage station irrigates the box transformer substation pile foundation with water at a balanced water level;
and if the acquired water surface height is greater than the preset water level alarm height, the alarm system gives an alarm, and the drainage station drains water.
The invention is further improved in that: the preset water level alarm height is the elevation of the lowest point of a cable bridge of the photovoltaic power station.
Compared with the prior art, the invention has at least the following advantages:
the radar liquid level meter is adopted to detect the height of the water surface, and compared with the traditional method, the method can realize real-time and accurate monitoring of the water level and avoid safety accidents caused by the fact that the water level is detected manually in the flood season.
According to the invention, the water level signal detected by the radar liquid level meter is output to the alarm device, so that the alarm is given in time when the water level is too high, and the safety of personnel is ensured.
According to the invention, the water level signal detected by the radar liquid level meter is output to the irrigation and drainage station, so that the water level is balanced, and the safety of personnel and equipment is ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary 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 diagram of the overall structure of a water level monitoring system of an above-water photovoltaic power station according to the present invention.
1. A box-type transformer; 2. a box transformer substation platform; 3. the box transformer substation pile foundation; 4. a horizontal support; 5. a vertical support; 6. a radar level gauge; 7. rainproof sunshade cover
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
Example 1
As shown in figure 1, a water level monitoring system of photovoltaic power plant on water, become bearing structure including the case, the case becomes bearing structure and sets up on the surface of water, and case becomes bearing structure top and is equipped with box transformer 1, and case becomes bearing structure side and is equipped with radar level gauge 6, and 6 signal output parts of radar level gauge link to each other with alarm device signal input part.
And the signal output end of the radar liquid level meter 6 is also connected with the signal input end of the irrigation and drainage station.
Box becomes bearing structure and includes that box becomes platform 2 and box become pile foundation 3, and box becomes pile foundation 3 and is a plurality of cylinders, and vertical setting is in aqueous, and box becomes platform 2 and sets up in box becomes 3 tops of pile foundation.
And the radar liquid level meter 6 is fixed on the side surface of the box-type substation platform 2 through a liquid level meter supporting structure.
The level gauge bearing structure is that stainless steel matter includes horizontal support piece 4 and vertical support piece 5, and 4 one end of horizontal support piece links to each other with case becomes 2 levels of platform, and the other end links to each other with 5 upper ends of vertical support piece, and 5 lower extremes of vertical support piece link to each other with radar level gauge 6.
And 4-20 mA signals output by the radar liquid level meter 6 are sent to an alarm system.
The preset water level alarm height is the elevation of the lowest point of a cable bridge of the photovoltaic power station.
The radar liquid level meter 6 is fixed on the box transformer platform 2 close to the box transformer 1 through a liquid level meter supporting structure, so that the cable laying and the future maintenance are facilitated.
Horizontal support piece 4 stretches out about 0.5 ~ 1 meter of case becomes platform 2, guarantees that the measurement of radar level gauge 6 is not disturbed by case becomes platform 2 and case becomes pile foundation 3.
Horizontal support piece 4 is terminal through the rain-proof sky shade 7 of welded mode installation radar level gauge 6, avoids rain erosion and sunshine insolate to cause the damage to radar level gauge 6.
The horizontal supporting member 4 is a telescopic structure or a spiral connecting structure, and is convenient to retract in extreme severe weather such as strong wind or in future maintenance.
A power supply of the radar liquid level meter 6 is supplied with power by taking 220VAC from the low-voltage side of the box transformer and rectifying the power into 24 VDC.
When the water level height data received by the alarm device reaches a set value, the alarm device gives an alarm to remind an operator to pay attention to the water level condition.
And selecting the lowest point elevation of the cable bridge of the photovoltaic power station according to the set value of the water level alarm.
Example 2
A water level monitoring method of an overwater photovoltaic power station comprises the following steps:
the radar liquid level meter 6 obtains the height of the water surface;
if the acquired water surface height is smaller than the preset water level alarm height, the alarm system does not respond, and the irrigation and drainage station irrigates the box transformer substation pile foundation 3 with water at a balanced water level;
and if the acquired water surface height is greater than the preset water level alarm height, the alarm system gives an alarm, and the drainage station drains water.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. The utility model provides a photovoltaic power plant's on water level monitoring system which characterized in that includes:
the box becomes bearing structure, the box becomes bearing structure and sets up on the surface of water, box transformer (1) is equipped with to box becomes bearing structure top, box becomes bearing structure side and is equipped with radar level gauge (6), radar level gauge (6) signal output part links to each other with alarm device signal input part.
2. The water level monitoring system of the above-water photovoltaic power station of claim 1, characterized in that the signal output end of the radar level gauge (6) is connected with the signal input end of the irrigation and drainage station.
3. The water level monitoring system of the above-water photovoltaic power station of claim 1, characterized in that the box-type substation supporting structure comprises a box-type substation platform (2) and a box-type substation pile foundation (3), wherein the box-type substation pile foundation (3) is vertically arranged in water, and the box-type substation platform (2) is arranged above the box-type substation pile foundation (3).
4. The water level monitoring system of a photovoltaic power plant above water according to claim 3, characterized in that the radar level gauge (6) is fixed to the side of the tank transformer platform (2) by means of a gauge support structure.
5. The water level monitoring system of an above-water photovoltaic power plant according to claim 4, characterized in that the level gauge support structure comprises a horizontal support (4) and a vertical support (5), the horizontal support (4) being horizontally connected to the box-to-box platform (2) at one end and to the vertical support (5) at the other end, the vertical support (5) being connected to the radar level gauge (6) at the lower end.
6. Water level monitoring system for above-water photovoltaic plants according to claim 5, characterized in that above the vertical supports (5) there is also a rain-proof sunshade (7).
7. The water level monitoring system of an above-water photovoltaic power plant according to claim 5, characterized in that the length of the horizontal support (4) is 0.5-1 meter.
8. The water level monitoring system of the overwater photovoltaic power station as claimed in claim 1, characterized in that a 4-20 mA signal output by the radar liquid level meter (6) is sent to an alarm system.
9. A water level monitoring method of an overwater photovoltaic power station is characterized by comprising the following steps:
the radar liquid level meter (6) acquires the height of the water surface;
if the acquired water surface height is smaller than the preset water level alarm height, the alarm system does not respond, and the irrigation and drainage station irrigates the box transformer substation pile foundation (3) with water to balance the water level;
and if the acquired water surface height is greater than the preset water level alarm height, the alarm system gives an alarm, and the drainage station drains water.
10. The method for monitoring the water level of the photovoltaic power station on the water as claimed in claim 9, wherein the preset water level alarm height is the lowest point elevation of a cable tray of the photovoltaic power station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111401888.6A CN113959526A (en) | 2021-11-19 | 2021-11-19 | Water level monitoring system and method for water photovoltaic power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111401888.6A CN113959526A (en) | 2021-11-19 | 2021-11-19 | Water level monitoring system and method for water photovoltaic power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113959526A true CN113959526A (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111401888.6A Pending CN113959526A (en) | 2021-11-19 | 2021-11-19 | Water level monitoring system and method for water photovoltaic power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113959526A (en) |
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2021
- 2021-11-19 CN CN202111401888.6A patent/CN113959526A/en active Pending
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