CN209862090U - Full-automatic lifting bird-preventing net system for water conservancy lock chamber - Google Patents

Abstract

The utility model relates to a prevent bird net automatic control technical field, disclose a full-automatic lift prevents bird net system for water conservancy lock chamber. Through the utility model discloses create, can be according to the current water level data that comes from the level gauge and the current lift height data that comes from stay cord displacement sensor, control electric block drives the liftable and prevents the bird net and goes on going up and down the action with current water level adaptation, make the liftable prevent that the bird net can cooperate and cage water conservancy lock chamber mouth just all the time with current water level, thereby both can avoid crossing low because of the water level and prevent the bird leak, can prevent again when the water level is too high, the contact rivers can cause great impact to preventing the bird net bottom, the safety in utilization of preventing the bird net has been guaranteed. In addition, the full-automatic lifting bird net system also has the advantages of high automation degree, small water flow impact, stable lifting, low electric quantity required by lifting, simple structure, easiness in realization and the like, and is convenient for practical popularization and application.

Description

Full-automatic lifting bird-preventing net system for water conservancy lock chamber

Technical Field

The utility model belongs to the technical field of prevent bird net automatic control, concretely relates to a full-automatic lift prevents bird net system for water conservancy lock chamber.

Background

The north-south water transfer project is used as a strategic hydraulic project in China and bears the burden of domestic water of most provinces and cities in the north. There are strict requirements both in the construction and in the later operation. However, in the operation process in recent years, it is found that birds may cause serious operation accidents to gate stations along the line, that is, because the temperature in the gate chamber is high and the wind is low, the birds are easy to select the bird as a nest and multiply, so that serious potential safety hazards are brought to the operation of mechanical and electrical equipment in the gate chamber, and the working difficulty of maintenance personnel is increased.

All gate stations of the south-to-north water transfer project are indoors, and the windows are closed all the year round. Therefore, the most easily accessible inlet of birds is at the water outlet (namely the water conservancy lock chamber port). The existing bird-preventing net is formed by hanging a string of iron chains with fixed length in a water conservancy gate chamber for water outlet maintenance. But the water level of the south-to-north water transfer project is not fixed throughout the year; when the water level is low, the length of the iron chain is insufficient, and gaps are left for birds to be organic; when the water level is high, the length of the iron chain is too long, the iron chain is easily washed away by water flow, and the bird-preventing function cannot be achieved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the bird-proof leak appears in the change of current iron chain formula bird-proof net easily because of the water level height, the utility model aims to provide a full-automatic lift bird-proof net system for water conservancy lock room can be according to the bird-proof net that the water level height goes up and down by oneself.

The utility model discloses the technical scheme who adopts does:

a full-automatic lifting anti-bird net system for a water conservancy lock chamber comprises a lifting anti-bird net for covering a water conservancy lock chamber port, an electric hoist for lifting the lifting anti-bird net, a stay cord displacement sensor for acquiring the lifting height of the lifting anti-bird net, a liquid level meter for acquiring water level information of the water conservancy lock chamber port, a controller and a human-computer interaction panel, wherein the electric hoist and the stay cord displacement sensor are also respectively used for being fixed above the indoor side of the water conservancy lock chamber port;

the hoisting steel wire rope of the electric hoist and the pull rope of the pull rope displacement sensor are respectively connected with the top end of the liftable bird-proof net;

the output end of the stay cord displacement sensor and the output end of the liquid level meter are respectively in communication connection with the input end of the controller, the output end of the controller is in communication connection with the controlled end of the electric hoist, and the controller is also in communication connection with the human-computer interaction panel.

Preferably, the liftable bird prevention net comprises a bird prevention main net, a bird prevention auxiliary net and sliding wheels, wherein the sliding wheels can be in sliding fit with guide rails arranged on the side faces of the opening of the water conservancy lock chamber;

the top of preventing the bird major network connect respectively jack-up wire rope with the stay cord, the bottom activity of preventing the bird major network articulates there is a plurality of prevent the bird auxiliary net, the left and right sides end of preventing the bird major network is installed at least one respectively the movable pulley.

Preferably, a float switch is further connected to the bottom end of the anti-bird main net, wherein a wire outlet end of the float switch is electrically connected to the controller.

In a detailed optimization mode, the number of the floating ball switches is two, and the two floating ball switches are respectively arranged on the left side and the right side of the bottom end of the anti-bird main net;

and the outlet end of the float switch is electrically connected with the controller through a junction box arranged at the top end of the anti-bird main net.

Further detailed and optimized, the electric cable between the junction box and the controller is arranged in the tank chain line groove.

Optimally, the number of the electric hoists is two, and hoisting steel wire ropes of the electric hoists are respectively connected with the left side and the right side of the top end of the liftable bird prevention net;

the two electric hoists are arranged in bilateral symmetry and are respectively connected with the left end and the right end of the coaxial connecting rod in an axle mode.

Further optimized, the water conservancy gate chamber opening structure further comprises a bearing seat used for being fixed above the indoor side of the water conservancy gate chamber opening, and the middle part of the coaxial connecting rod movably penetrates through the bearing seat.

Preferably, the device also comprises a fixing plate which is used for sealing the upper area of the water conservancy gate chamber opening and can be staggered with the liftable bird prevention net.

Specifically, the pull rope displacement sensor is a displacement sensor with the model of DCL-4M;

and/or the liquid level meter adopts an ultrasonic level transmitter which can be installed above the indoor side of the water conservancy gate chamber opening.

Specifically, the controller is a programmable controller with the model of IEC61131-3, and the human-computer interaction panel is a touch screen.

The utility model has the advantages that:

(1) the invention provides a novel control system capable of automatically lifting an anti-bird net according to the water level, namely, an electric block is controlled to drive the anti-bird net to lift and move correspondingly to the current water level according to the current water level data from a liquid level meter and the current lifting height data from a stay rope displacement sensor, so that the anti-bird net can be always just matched with the current water level to cover a water conservancy gate opening, thereby not only preventing bird leakage caused by too low water level, but also preventing larger impact on the bottom end of the anti-bird net caused by water flow contact when the water level is too high, and ensuring the use safety of the anti-bird net;

(2) the full-automatic lifting bird-preventing net system also has the advantages of high automation degree, small water flow impact, stable lifting, low electric quantity required by lifting, simple structure, easiness in realization and the like, and is convenient for practical popularization and application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the installation structure of the full-automatic lifting bird-preventing net system provided by the utility model.

Fig. 2 is a schematic circuit structure diagram of the full-automatic lifting bird-preventing net system provided by the utility model.

In the above drawings: 1-liftable bird prevention net; 101-an anti-bird main net; 102-bird repelling seine; 103-a sliding wheel; 2, an electric hoist; 201-hoisting steel wire rope; 3-a pull rope displacement sensor; 301-a pull rope; 4-a liquid level meter; 7-a float switch; 701-a junction box; 8-tank chain line groove; 9-a coaxial connecting rod; 10-a bearing seat; 11-fixing the plate.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.

It should be understood that, for the term "and/or" as may appear herein, it is merely an associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time; for the term "/and" as may appear herein, which describes another associative object relationship, it means that two relationships may exist, e.g., a/and B, may mean: a exists independently, and A and B exist independently; in addition, for the character "/" that may appear herein, it generally means that the former and latter associated objects are in an "or" relationship.

It will be understood that when an element is referred to herein as being "connected," "connected," or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. Conversely, if a unit is referred to herein as being "directly connected" or "directly coupled" to another unit, it is intended that no intervening units are present. In addition, other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between … …" versus "directly between … …", "adjacent" versus "directly adjacent", etc.).

It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

It should also be noted that, in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.

It should be understood that specific details are provided in the following description to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.

Example one

As shown in fig. 1-2, the full-automatic lifting anti-bird net system for a water conservancy lock chamber provided in this embodiment includes a lifting anti-bird net 1 for covering a water conservancy lock chamber opening, an electric hoist 2 for lifting the lifting anti-bird net 1, a pull rope displacement sensor 3 for acquiring the lifting height of the lifting anti-bird net 1, a liquid level meter 4 for acquiring water level information of the water conservancy lock chamber opening, a controller, and a human-computer interaction panel, wherein the electric hoist 2 and the pull rope displacement sensor 3 are further respectively used for being fixed above the indoor side of the water conservancy lock chamber opening; the hoisting steel wire rope 201 of the electric hoist 2 and the pull rope 301 of the pull rope displacement sensor 3 are respectively connected with the top end of the liftable bird-proof net 1; the output ends of the stay cord displacement sensor 3 and the liquid level meter 4 are respectively in communication connection with the input end of the controller, the output end of the controller is in communication connection with the controlled end of the electric hoist 2, and the controller is also in communication connection with the human-computer interaction panel.

As shown in fig. 1-2, in the specific structure of the full-automatic lifting bird-preventing net system, the lifting bird-preventing net 1 is used for ascending or descending under the driving action of the electric hoist 2 so as to match different water levels to ensure that the water gate opening is always covered (even if the water level is reduced to the maximum extent, the lifting bird-preventing net 1 can still cover the upper region of the water gate opening through the conventional size design), thereby not only avoiding bird-preventing holes caused by too low water level, but also preventing the bottom end of the bird-preventing net from being greatly impacted by water flow contact when the water level is too high, and ensuring the use safety of the bird-preventing net. Electric block 2 is used for under the control of controller, utilize its theory of operation and current conventional jack-up wire rope structure to hoist/transfer liftable bird net 1, it can directly adopt current hanging hoist (one kind be applicable to all kinds of large-scale plumbing or hydraulic and hydroelectric engineering and be used for controlling the lift of all kinds of big and medium-sized cast iron gate and steel gate and reach the equipment of opening and closing promptly, it is a concrete electric block) and realizes. The pull rope displacement sensor 3 is configured to measure a pull-down displacement condition of the pull rope 301 by using a working principle thereof, and obtain lifting height data corresponding to the liftable bird net 1, and may be, but is not limited to, a displacement sensor of DCL-4M type. The level gauge 4 is used to obtain real-time water level data, which may be, but is not limited to, an ultrasonic level transmitter mountable above the indoor side of the sluice gate; specifically, a KCS series ultrasonic level transmitter can be adopted, the ultrasonic level transmitter measures the height of the material by adopting the principle of measuring time difference, is a non-contact measuring instrument, has strong anti-interference capability, is very convenient to install, maintain and use, and is suitable for various industrial fields with complex environments; in addition, the ultrasonic sensor is a special transmitting-receiving ultrasonic sensor with low power and small blind area, so that the ultrasonic sensor has high measurement precision, stable operation and temperature compensation function.

The controller is used for judging whether the current liftable bird prevention net 1 can be matched with the current water level to cover a water conservancy gate opening (the situation is that bird prevention holes do not appear at the bottom end of the bird prevention net and the bird prevention net is only impacted by small water flow) according to the current water level data from the liquid level meter 4 and the current lifting height data from the stay cord displacement sensor 3, and can lift/lower the liftable bird prevention net 1 by controlling the electric hoist 2 according to a judgment result until an ideal height is reached, so that the aim of automatically lifting the bird prevention net according to the water level is fulfilled; on the other hand, the lifting bird net 1 is used for lifting/lowering according to a control instruction from the human-computer interaction panel, or various process data (such as current water level data and current lifting height data) generated in the full-automatic lifting process are transmitted to the human-computer interaction panel for displaying. In addition, various operation programs of the controller can be obtained by conventional design according to the related existing programs.

The controller can be but is not limited to a programmable controller with the model number IEC 61131-3. The programmable controller is integrated with 40 digital I/O points comprising 24 input/16 output, can be connected with 7 expansion modules, and is expanded to 248 digital I/O points or 35 analog I/O points at most; the programmable controller also has 13K byte program and data storage space, 6 independent 30kHz high speed counters, 2 paths of independent 20kHz high speed pulse output, PID (Proportion integration, differentiation) controllers, 2 RS485 communication/programming ports, PPI communication protocol (i.e. the communication protocol developed by Siemens for S7-200 series PLC), MPI (Multi interface) communication protocol and free mode communication capability; the I/O terminal strip of the programmable controller can be easily and integrally disassembled, can be used for a control system with higher requirements, has more input/output points, stronger module expansion capability, higher running speed and more powerful internal integrated special functions, and can be completely suitable for some complex small and medium-sized control systems. In addition, the programming environment of the programmable controller conforms to the Microsoft Windows Graphical User Interface (GUI) standard, the programming language conforms to the international standard of the IEC61131-3 programmable controller, the style is uniform, the use is simple, and the interface is simple and friendly; the method has rich programming languages (three programming languages are ladder diagram, structured text and instruction list); the multilayer password protection is convenient for distributing the use permission; the method has simple graph and trend functions, and facilitates debugging and installation of the system.

The human-computer interaction panel is used for providing a human-computer interaction interface, generating a manual operation instruction and displaying various data from the controller, and can be but not limited to a touch screen. The touch screen can adopt a 7-inch high-brightness TFT liquid crystal screen, the resolution reaches 800X 480, a four-wire resistance type touch screen and a high-grade plastic structure; the parameters may be as follows: the industrial-grade low-power-consumption CPU is 400MHz, 64M memory, 128M flash memory, 1 RS232 (isolation interface), 1 RS485 (isolation interface), 2 USB interface (one master and one slave), 1 RJ45 communication interface, 24VDC power input, 5W power consumption, and basic configuration of WinCE.

The working environment of the system can be as follows: ambient temperature: 0 to +60 ℃; relative humidity: not more than 85% (+25 ℃); supply voltage: 220V 10%, 50 Hz.

Therefore, through the detailed description of the full-automatic lifting bird-preventing net system, the electric hoist can be controlled to drive the lifting bird-preventing net to perform lifting action adaptive to the current water level according to the current water level data from the liquid level meter and the current lifting height data from the stay rope displacement sensor, so that the lifting bird-preventing net can be always matched with the current water level to cover the water conservancy gate opening, bird-preventing holes caused by too low water level can be avoided, and the situation that the bottom end of the bird-preventing net is greatly impacted by contact water flow when the water level is too high can be prevented, and the use safety of the bird-preventing net is ensured. In addition, the full-automatic lifting bird-preventing net system also has the advantages of high automation degree, simple structure, easiness in implementation and the like, and is convenient to popularize and apply practically.

Preferably, the liftable bird prevention net 1 comprises a bird prevention main net 101, a bird prevention auxiliary net 102 and sliding wheels 103, wherein the sliding wheels 103 can be in sliding fit with guide rails arranged on the side surfaces of the openings of the water conservancy gates; the top of anti-bird main net 101 is connected respectively jack-up wire rope 201 with stay cord 301, the bottom activity of anti-bird main net 101 articulates there is a plurality of anti-bird auxiliary net 102, at least one is installed respectively to the left and right sides end of anti-bird main net 101 the movable pulley 103. As shown in fig. 1, since the anti-bird main net 101 and the anti-bird auxiliary net 102 are in a movable hinged relationship, the impact on the bottom end of the overall anti-bird net caused by water flow contact can be alleviated by utilizing the movable characteristic of the anti-bird auxiliary net 102, and the use safety of the anti-bird net can be further ensured. In addition, through the setting of movable pulley 103, can carry out sliding fit with the side guide rail of water conservancy lock chamber mouth, and then guarantee that whole bird net can steadily and make the side go up and down without the leak.

Preferably, a float switch 7 is further connected to the bottom end of the anti-bird main net 101, wherein a wire outlet end of the float switch 7 is electrically connected to the controller. As shown in fig. 1, the float switch 7 is configured to send a trigger electrical signal to the controller when the bird-repelling net is detached from the water surface by using the basic principle of the float switch, so that the controller can further accurately judge whether the bottom end of the current bird-repelling net is just matched with the current water level to cover the water gate opening, thereby further ensuring that the bird-repelling net has no leak. In detail, the number of the float switches 7 is two and the two float switches are respectively arranged on the left side and the right side of the bottom end of the anti-bird main net 101; the outlet end of the float switch 7 is electrically connected with the controller through the junction box 701 arranged at the top end of the anti-bird main net 101, so that both sides and the middle area of the bottom end of the anti-bird net can be ensured to be just matched with the current water level. In addition, in order to extend the service life of the electric connection cable during frequent ascent and descent, further detailed optimization is made, as shown in fig. 1, the electric cable between the terminal block 701 and the controller is preferably disposed in the tank chain line slot 8 so as to protect the electric connection cable by using the feature of the existing tank chain line slot 8.

Optimally, the number of the electric hoists 2 is two, and the hoisting steel wire ropes 201 of the electric hoists are respectively connected with the left side and the right side of the top end of the liftable bird prevention net 1; the two electric hoists 2 are arranged in bilateral symmetry and are respectively connected with the left end and the right end of the coaxial connecting rod 9 through shafts. As shown in fig. 1, by providing the coaxial connecting rod 9, it can be ensured that the electric hoists 2 on the left and right sides can synchronously lift the liftable bird-preventing net 1 stably. In addition, in order to effectively support the middle part of the coaxial connecting rod 9 and prevent sagging, it is further optimized that, as shown in fig. 1, a bearing seat 10 is further included for fixing above the indoor side of the sluice gate, and the middle part of the coaxial connecting rod 9 is movably passed through the bearing seat 10.

Preferably, the device also comprises a fixing plate 11 which is used for sealing the upper area of the water conservancy lock chamber opening and can be staggered with the liftable bird prevention net 1. As shown in fig. 1, by arranging the fixing plate 11, bird-proof holes can be prevented from being formed in the upper area of the closed sluice gate due to excessive descending of the liftable bird-proof net 1; meanwhile, the size design and the weight of the liftable bird prevention net 1 can be reduced, and the electric energy and the use cost required by lifting can be reduced.

To sum up, adopt the full-automatic lift anti-bird net system that is used for water conservancy lock room that this embodiment provided, have following technological effect:

(1) the embodiment provides a novel control system capable of automatically lifting the bird-proof net according to the water level, namely, an electric hoist is controlled to drive the liftable bird-proof net to perform lifting action adaptive to the current water level according to the current water level data from a liquid level meter and the current lifting height data from a stay rope displacement sensor, so that the liftable bird-proof net can be always matched with the current water level to cover a water conservancy gate opening, thereby not only avoiding bird-proof holes caused by too low water level, but also preventing larger impact on the bottom end of the bird-proof net caused by water flow contact when the water level is too high, and ensuring the use safety of the bird-proof net;

(2) the full-automatic lifting bird-preventing net system also has the advantages of high automation degree, small water flow impact, stable lifting, low electric quantity required by lifting, simple structure, easiness in realization and the like, and is convenient for practical popularization and application.

The various embodiments described above are merely illustrative, and may or may not be physically separate, as they relate to elements illustrated as separate components; if reference is made to a component displayed as a unit, it may or may not be a physical unit, and may be located in one place or distributed over a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. Such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Finally, it should be noted that the present invention is not limited to the above-mentioned alternative embodiments, and that various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.

Claims (10)

1. The utility model provides a full-automatic lift anti-bird net system for water conservancy lock room which characterized in that: the device comprises a liftable bird prevention net (1) used for covering a water conservancy gate opening, an electric hoist (2) used for lifting the liftable bird prevention net (1), a pull rope displacement sensor (3) used for acquiring the lifting height of the liftable bird prevention net (1), a liquid level meter (4) used for acquiring water level information of the water conservancy gate opening, a controller and a human-computer interaction panel, wherein the electric hoist (2) and the pull rope displacement sensor (3) are also respectively used for being fixed above the indoor side of the water conservancy gate opening;

a hoisting steel wire rope (201) of the electric hoist (2) and a pull rope (301) of the pull rope displacement sensor (3) are respectively connected with the top end of the liftable bird-proof net (1);

stay cord displacement sensor (3) with the output of level gauge (4) communication connection respectively the input of controller, the output communication connection of controller the controlled end of electric block (2), the controller is communication connection still man-machine interaction panel.

2. The fully automatic elevating anti-bird net system for a water sluiceway according to claim 1, wherein: the liftable bird prevention net (1) comprises a bird prevention main net (101), a bird prevention auxiliary net (102) and sliding wheels (103), wherein the sliding wheels (103) can be in sliding fit with guide rails arranged on the side face of a water conservancy gate opening;

the top of preventing bird major network (101) is connected respectively jack-up wire rope (201) with stay cord (301), the bottom activity of preventing bird major network (101) articulates there is a plurality of prevent bird auxiliary net (102), at least one is installed respectively to the both sides end about preventing bird major network (101) sliding wheel (103).

3. The fully automatic elevating anti-bird net system for a water sluiceway according to claim 2, wherein: the bottom end of the anti-bird main net (101) is also connected with a float switch (7), wherein a wire outlet end of the float switch (7) is electrically connected with the controller.

4. A fully automatic elevating anti-bird net system for a water sluiceway according to claim 3, wherein: the number of the floating ball switches (7) is two, and the two floating ball switches are respectively arranged on the left side and the right side of the bottom end of the anti-bird main net (101);

the outlet end of the float switch (7) is electrically connected with the controller through a junction box (701) arranged at the top end of the anti-bird main net (101).

5. The fully automatic elevating anti-bird net system for a water sluiceway according to claim 4, wherein: an electric cable between the junction box (701) and the controller is arranged in a tank chain line groove (8).

6. The fully automatic elevating anti-bird net system for a water sluiceway according to claim 1, wherein: the number of the electric hoists (2) is two, and hoisting steel wire ropes (201) of the electric hoists are respectively connected with the left side and the right side of the top end of the liftable bird prevention net (1);

the two electric hoists (2) are arranged in a left-right symmetrical way and are respectively connected with the left end and the right end of the coaxial connecting rod (9) through shafts.

7. The fully automatic elevating anti-bird net system for a water sluiceway according to claim 6, wherein: the water conservancy gate chamber opening structure is characterized by further comprising a bearing seat (10) used for being fixed above the indoor side of the water conservancy gate chamber opening, and the middle part of the coaxial connecting rod (9) movably penetrates through the bearing seat (10).

8. The fully automatic elevating anti-bird net system for a water sluiceway according to claim 1, wherein: the device also comprises a fixing plate (11) which is used for sealing the upper area of the water conservancy gate opening and can be staggered with the liftable bird prevention net (1).

9. The fully automatic elevating anti-bird net system for a water sluiceway according to claim 1, wherein: the stay rope displacement sensor (3) adopts a displacement sensor with the model of DCL-4M;

and/or the liquid level meter (4) adopts an ultrasonic level transmitter which can be installed above the indoor side of the water conservancy lock chamber opening.

10. The fully automatic elevating anti-bird net system for a water sluiceway according to claim 1, wherein: the controller adopts a programmable controller with the model of IEC61131-3, and the human-computer interaction panel adopts a touch screen.