CN110715707A - Water level alarm device and alarm method for hydraulic and hydroelectric engineering - Google Patents
Water level alarm device and alarm method for hydraulic and hydroelectric engineering Download PDFInfo
- Publication number
- CN110715707A CN110715707A CN201911008915.6A CN201911008915A CN110715707A CN 110715707 A CN110715707 A CN 110715707A CN 201911008915 A CN201911008915 A CN 201911008915A CN 110715707 A CN110715707 A CN 110715707A
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- adjusting plate
- alarm
- water level
- lifting rod
- alarm device
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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
- G01F23/30—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 floats
- G01F23/56—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 floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/60—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 floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using electrically actuated indicating means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
Abstract
The invention discloses a water level alarm device for water conservancy and hydropower engineering and an alarm method thereof, and the water level alarm device comprises an alarm device main body, a protective ring, a limiting bolt, a base, a bubble level meter, a solar photovoltaic panel, a lithium battery, an alarm and a inching switch, wherein the alarm device main body is provided with an adjusting plate, a fixing groove is formed in the outer side of the adjusting plate, the protective ring is arranged inside the fixing groove, 4 limiting sleeves are welded on the upper end surface of the adjusting plate, a lifting cylinder is arranged on the lower end surface of the adjusting plate, a lifting rod is arranged inside the lifting cylinder, a protective head is in threaded connection with the lower end surface of the lifting cylinder, and a protective net is arranged in the middle of the protective. This a water level alarm device for hydraulic and hydroelectric engineering is provided with a lift section of thick bamboo at the lower extreme of regulating plate, plays the effect of carrying out the protection to the lifter to can make the lifter point the switch of switch along with the lift control of the surface of water, and then realize alarm circular telegram and report to the police.
Description
Technical Field
The invention relates to the technical field of hydraulic and hydroelectric engineering, in particular to a water level alarm device and an alarm method for the hydraulic and hydroelectric engineering.
Background
The water level alarm device of the hydraulic and hydroelectric engineering is a device for monitoring the water level, can alarm according to the rising condition of the water surface, avoids overhigh water level and avoids the damage of the hydraulic engineering or the occurrence of flood.
However, the existing water level alarm device for the hydraulic and hydroelectric engineering is inconvenient to select the installation mode of the alarm device according to the field situation in the use process, is complex in installation mode, and is easy to damage and influence the alarm device.
Disclosure of Invention
The invention aims to provide a water level alarm device for hydraulic and hydroelectric engineering and an alarm method thereof, and aims to solve the problems that the installation mode of the alarm device is inconvenient to select according to the field condition in the use process of the water level alarm device for the hydraulic and hydroelectric engineering in the current market in the background art, the installation mode is complex, and the alarm device is easy to damage and influence.
In order to achieve the purpose, the invention provides the following technical scheme: a water level alarm device for water conservancy and hydropower engineering comprises an alarm device main body, a protective ring, a limiting bolt, a base, a bubble level meter, a solar photovoltaic panel, a lithium battery, an alarm and a jog switch, wherein an adjusting plate is arranged on the alarm device main body, a fixing groove is formed in the outer side of the adjusting plate, the protective ring is arranged in the fixing groove, a fixing frame is arranged on the right side of the adjusting plate, 4 limiting sleeves are welded on the upper end face of the adjusting plate, a fixing rod is inserted in the limiting sleeves, the limiting sleeves are connected with the fixing rod through the limiting bolt, the lower end of the fixing rod is connected with the base, the upper portion of the fixing rod is located in a sliding port in the adjusting plate, the bubble level meter is arranged at the edge of the adjusting plate, a protective shell is fixed on the middle screw of the upper end face of the adjusting plate, and the solar photovoltaic board is connected with the inside lithium cell electric wire of protective housing to the inside of 2 lithium cells is provided with the alarm, and lithium cell and pilot lamp electric wire connection simultaneously, the transmitting antenna of alarm upper end runs through the middle part of protective housing up end, and lithium cell and alarm fix on the regulating plate to the lower terminal surface of alarm is provided with the inching switch, the lower terminal surface of regulating plate is provided with a lift section of thick bamboo, and the inside of a lift section of thick bamboo is provided with the lifter, and the lower terminal surface threaded connection of a lift section of thick bamboo has the protection head, and the middle part of protection head is provided with the protection network simultaneously.
Preferably, the mounting structure of regulating plate is the oscilaltion structure, and is welded connection between regulating plate and the mount to the regulating plate is the level setting.
Preferably, the material of guard ring is the rubber material, and guard ring and fixed slot adopt sticky mode to be connected to be provided with 2 layers of guard ring, the external diameter of guard ring is greater than the external diameter of regulating plate simultaneously.
Preferably, the inner diameter of the limiting sleeve is the same as that of the sliding opening, the inner side surfaces of the limiting sleeve and the sliding opening are flush, and the limiting sleeve and the sliding opening are correspondingly installed.
Preferably, the joint between the protective shell and the transmitting antenna is in rubber ring sealing connection, and the protective shell is of a detachable structure.
Preferably, the lifting cylinder is positioned on the lower end face of the middle part of the adjusting plate, the inner side wall of the lifting cylinder is smoothly connected with the inner wall of the opening in the middle part of the adjusting plate, and the lifting cylinder and the adjusting plate are integrally formed.
Preferably, the lifter includes promotion kicking block, slurcam and support frame, and promotes the lower extreme that the kicking block is located the lifter, and the slurcam is located the upper end of lifter, and the support frame is located the upper portion of lifter.
Preferably, the lifter runs through the support frame, and the both ends of support frame and the opening inner wall welded connection in regulating plate middle part to promote the floating block and be the discoid rubber material of cavity.
The invention provides another technical scheme for providing a using method of a water level alarm device for hydraulic and hydroelectric engineering, which comprises the following specific steps:
step 1: according to the installation position, the alarm device main body is judged to be installed by using a fixed frame or a lifting rod;
step 2: when the alarm device is installed by using the fixing frame, the fixing frame on one side of the alarm device main body can be tightly attached to the outer wall of a detection dam or other buildings, the alarm device main body is fixed on the outer wall of the detection dam or other buildings through the fixing frame by using bolts through fixing holes in the fixing frame, and whether the installation is horizontal or not is judged by using a bubble level meter on the upper end surface of the adjusting plate;
and step 3: when the lifting rod is used for installation, the base is fixed at the bottom of the water, the lower end of the lifting rod is fixed on the base, then the adjusting plate is sleeved on the lifting rod through the sliding port and vertically moves on the lifting rod through the sliding port, after the adjusting plate moves to a specified height, the limiting bolt on the limiting sleeve is screwed, the adjusting plate is further fixed, and whether installation is horizontal or not is judged through the bubble level meter on the upper end face of the adjusting plate;
and 4, step 4: after the alarm device main body is installed, when the water level rises, the water surface enters the interior of the lifting cylinder through the protective net on the protective head, so that the floating block is pushed to push the interior of the lifting cylinder upwards, the lifting block is pushed to jack the lifting rod upwards, and the lifting rod drives the pushing plate at the top end of the lifting rod to move upwards;
and 5: with the continuous rising of the water surface, when the water surface exceeds the warning water level, the pushing plate pushes the inching switch upwards;
step 6: the alarm is electrified, and sends an alarm signal to the control room through the transmitting antenna;
and 7: after the water level descends, the floating block is pushed to descend along with the water surface, the push plate is separated from the inching switch, the alarm is powered off, and the alarm is relieved.
Compared with the prior art, the invention has the beneficial effects that: the water level alarm device for the water conservancy and hydropower engineering,
1. the protective ring is arranged on the outer side of the adjusting plate, so that the main body of the alarm device is protected, the water surface floating object is prevented from colliding with the adjusting plate along with water flow, the anti-collision protection on the adjusting plate is facilitated, and the adjusting plate and the mounting equipment above the adjusting plate are prevented from being damaged;
2. the adjusting plate is provided with the limiting sleeve, the limiting bolt and the fixing frame, so that the adjusting plate can be selectively installed, and the convenience of installation of the main body of the alarm device can be improved;
3. the lower end of the adjusting plate is provided with the lifting cylinder which plays a role in protecting the lifting rod, and the lifting rod can be driven to inching the switch along with the lifting control of the water surface, so that the alarm is electrified to give an alarm.
Drawings
FIG. 1 is a schematic front view of a water level alarm device for hydraulic and hydroelectric engineering according to the present invention;
FIG. 2 is a schematic top view of a water level alarm device for hydraulic and hydroelectric engineering according to the present invention;
FIG. 3 is a right side view of the water level alarm device for water conservancy and hydropower engineering of the present invention;
FIG. 4 is a schematic sectional view of part A-A of the water level alarm device for hydraulic and hydroelectric engineering of the present invention;
FIG. 5 is an enlarged schematic view of the point A in FIG. 4 of the water level alarm device for hydraulic and hydroelectric engineering according to the present invention;
FIG. 6 is a schematic top view of a protective head of a water level alarm device for hydraulic and hydroelectric engineering according to the present invention;
fig. 7 is a structural diagram illustrating a rising state of a lifting rod of the water level alarm device for hydraulic and hydroelectric engineering.
In the figure: 1. an alarm device main body; 2. an adjusting plate; 3. a guard ring; 4. fixing grooves; 5. a limiting sleeve; 6. a limit bolt; 7. fixing the rod; 8. a protective housing; 9. a transmitting antenna; 10. a fixed mount; 11. a lifting cylinder; 12. a protective head; 13. a base; 14. a bubble level; 15. a solar photovoltaic panel; 16. a sliding port; 17. a lifting rod; 1701. pushing the floating block; 1702. a push plate; 1703. a support frame; 18. a protective net; 19. a lithium battery; 20. an alarm; 21. a jog switch; 22. and an indicator light.
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a water level alarm device for water conservancy and hydropower engineering comprises an alarm device main body 1, an adjusting plate 2, a protective ring 3, a fixing groove 4, a limiting sleeve 5, a limiting bolt 6, a fixing rod 7, a protective shell 8, a transmitting antenna 9, a fixing frame 10, a lifting cylinder 11, a protective head 12, a base 13, a bubble level meter 14, a solar photovoltaic panel 15, a sliding port 16, a lifting rod 17, a pushing floating block 1701, a pushing plate 1702, a supporting frame 1703, a protective net 18, a lithium battery 19, an alarm 20, a inching switch 21 and an indicating lamp 22, wherein the alarm device main body 1 is provided with the adjusting plate 2, the outer side of the adjusting plate 2 is provided with the fixing groove 4, the fixing ring 3 is arranged inside the fixing groove 4, the right side of the adjusting plate 2 is provided with the fixing frame 10, 4 limiting sleeves 5 are welded on the upper end face of the adjusting plate 2, and the fixing rod 7, the limiting sleeve 5 is connected with a fixing rod 7 through a limiting bolt 6, the lower end of the fixing rod 7 is connected with a base 13, the upper portion of the fixing rod 7 is located in a sliding opening 16 in an adjusting plate 2, a bubble level meter 14 is arranged at the edge of the adjusting plate 2, a protective shell 8 is fixed to the middle of the upper end face of the adjusting plate 2 through a screw, solar photovoltaic panels 15 are arranged on two sides of the upper portion of the protective shell 8, the solar photovoltaic panels 15 are in electric connection with lithium batteries 19 in the protective shell 8, an alarm 20 is arranged in 2 lithium batteries 19, the lithium batteries 19 are in electric connection with an indicator lamp 22, a transmitting antenna 9 at the upper end of the alarm 20 penetrates through the middle of the upper end face of the protective shell 8, the lithium batteries 19 and the alarm 20 are fixed on the adjusting plate 2, a jog switch 21 is arranged on the lower end face of the, and the inside of the lifting cylinder 11 is provided with a lifting rod 17, the lower end surface of the lifting cylinder 11 is in threaded connection with a protection head 12, and the middle part of the protection head 12 is provided with a protection net 18.
The mounting structure of regulating plate 2 is the oscilaltion structure, and is welded connection between regulating plate 2 and mount 10 to regulating plate 2 sets up for the level, sets up like this and plays the effect of installing regulating plate 2, is favorable to regulating plate 2 in the installation of building surface.
The material of guard ring 3 is the rubber material, and guard ring 3 adopts sticky mode to be connected with fixed slot 4 to guard ring 3 is provided with 2 layers, and guard ring 3's external diameter is greater than the external diameter of regulating plate 2 simultaneously, sets up like this and plays the effect of carrying out collision avoidance to regulating plate 2, avoids regulating plate 2 to receive the striking of floater.
The internal diameter of stop collar 5 is the same with the internal diameter of slip mouthful 16, and stop collar 5 and the medial surface looks parallel and level of slip mouthful 16 to stop collar 5 and the corresponding installation of slip mouthful 16 set up like this and play and carry out the effect of cooperation being connected with lifter 17, and then realize the height-fixed installation to adjusting plate 2.
The junction between protective housing 8 and transmitting antenna 9 is rubber ring sealing connection, and protective housing 8 is detachable construction, sets up like this and can protect the inside equipment component of protective housing 8, avoids the damage of equipment.
A lift section of thick bamboo 11 is located the lower terminal surface in 2 middle parts of regulating plate, and the inside wall of a lift section of thick bamboo 11 is connected with the opening inner wall in 2 middle parts of regulating plate smoothly to for integrated into one piece sets up between a lift section of thick bamboo 11 and the regulating plate 2, set up like this and play the effect of carrying out the protection to lifter 17, avoid realizing the vertical lift of lifter 17.
The lifting rod 17 comprises a pushing floating block 1701, a pushing plate 1702 and a supporting frame 1703, the pushing floating block 1701 is located at the lower end of the lifting rod 17, the pushing plate 1702 is located at the upper end of the lifting rod 17, and the supporting frame 1703 is located at the upper portion of the lifting rod 17, so that the on-off function of the inching switch 21 is controlled, and the on-off of the alarm 20 is realized.
The lifter 17 runs through the support frame 1703, and the both ends of support frame 1703 and the opening inner wall welded connection in regulating plate 2 middle part to promote floating block 1701 to be cavity discoid rubber material, set up like this and play and make the lifter 17 go up and down along with the lift of the surface of water, alright to the effect of realizing the early warning.
One technical scheme is to provide a use method of a water level alarm device for hydraulic and hydroelectric engineering, which comprises the following steps:
step 1: according to the installation position, the alarm device main body 1 is judged to be installed by using the fixed frame 10 or the lifting rod 17;
step 2: when the fixing frame 10 is used for installation, the fixing frame 10 on one side of the alarm device main body 1 can be tightly attached to the outer wall of a detection dam or other buildings, the alarm device main body 1 is fixed on the outer wall of the detection dam or other buildings through the fixing hole in the fixing frame 10 by using a bolt, and whether the installation is horizontal or not is judged through the bubble level meter 14 on the upper end face of the adjusting plate 2;
and step 3: when the lifting rod 17 is used for installation, the base 13 is fixed at the bottom, the lower end of the lifting rod 17 is fixed on the base 13, then the adjusting plate 2 is sleeved on the lifting rod 17 through the sliding port 16, the adjusting plate 2 vertically moves on the lifting rod 17 through the sliding port 16, after the adjusting plate 2 moves to a specified height, the limiting bolt 6 on the limiting sleeve 5 is screwed, the adjusting plate 2 is further fixed, and whether installation is horizontal or not is judged through the bubble level meter 14 on the upper end face of the adjusting plate 2;
and 4, step 4: after the alarm device body 1 is installed, when the water level rises, the water level enters the interior of the lifting cylinder 11 through the protective net 18 on the protective head 12, so that the floating block 1701 pushed by the interior of the lifting cylinder 11 is pushed upwards, the floating block 1701 is pushed to jack the lifting rod 17 upwards, and the lifting rod 17 drives the pushing plate 1702 at the top end of the lifting rod 17 to move upwards;
and 5: with the continuous rising of the water surface, when the water surface exceeds the warning water level, the pushing plate 1702 pushes the inching switch 21 upwards;
step 6: the alarm 20 is electrified, and the alarm 20 sends an alarm signal to the control room through the transmitting antenna 9;
and 7: after the water level descends, the pushing floating block 1701 descends along with the water level, the pushing plate 1702 is separated from the inching switch 21, the alarm 20 is powered off, and the alarm is released.
The working principle is as follows: when the water level alarm device for the water conservancy and hydropower engineering is used, as shown in figures 1-4, the alarm device body 1 is judged to be installed by using the fixing frame 10 or the lifting rod 17 according to the installation position, when the fixing frame 10 is used for installation, the fixing frame 10 at one side of the alarm device body 1 can be clung to the outer wall of a detection dam or other buildings, the alarm device body 1 is fixed on the outer wall of the detection dam or other buildings through the fixing frame 10 by using bolts through the fixing holes on the fixing frame 10, whether the installation is horizontal or not is judged through the bubble level gauge 14 on the upper end surface of the adjusting plate 2, if the lifting rod 17 is used for installation, the base 13 is fixed at the bottom of the water, the lower end of the lifting rod 17 is fixed on the base 13, then the adjusting plate 2 is sleeved on the lifting rod 17 through the sliding port 16, and the adjusting plate 2 vertically moves on the lifting rod 17 through the sliding port 16, after the adjusting plate 2 moves to a specified height, namely the water level warning height, the limiting bolt 6 on the limiting sleeve 5 is screwed, the limiting bolt 6 tightly pushes the lifting rod 17, the adjusting plate 2 is further fixed, and whether the installation is horizontal or not is judged through the bubble level meter 14 on the upper end surface of the adjusting plate 2;
after the installation, as shown in fig. 1 and fig. 4-7, when the water level rises, the water surface enters the lifting cylinder 11 through the protective net 18 on the protective head 12, the floating block 1701 is pushed to float along with the rise of the water surface, the lifting rod 17 is pushed upwards by pushing the floating block 1701, the lifting rod 17 moves upwards at the opening of the supporting frame 1703, so that the lifting rod 17 drives the pushing plate 1702 at the top end to move upwards, and as the water surface continuously rises, when the water level exceeds the warning water level, the lifting rod 17 drives the pushing plate 1702 to push the inching switch 21 upwards, at the moment, the alarm 20 is powered on, i.e., the state shown in fig. 7, the alarm 20 sends an alarm signal to the control room through the transmitting antenna 9, and after the water level drops, when the pushing floating block 1701 descends with the water surface, the pushing plate 1702 is separated from the inching switch 21, the alarm 20 is powered off, and the alarm is released, namely, the state shown in fig. 4.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a water level alarm device for hydraulic and hydroelectric engineering, includes alarm device main part (1), guard ring (3), spacing bolt (6), base (13), bubble spirit level (14), solar photovoltaic board (15), lithium cell (19), alarm (20) and point switch (21), its characterized in that: the alarm device is characterized in that an adjusting plate (2) is arranged on a main body (1), a fixing groove (4) is formed in the outer side of the adjusting plate (2), a protective ring (3) is arranged inside the fixing groove (4), a fixing frame (10) is arranged on the right side of the adjusting plate (2), 4 limiting sleeves (5) are welded on the upper end face of the adjusting plate (2), a fixing rod (7) is inserted into the limiting sleeves (5), the limiting sleeves (5) are connected with the fixing rod (7) through limiting bolts (6), the lower end of the fixing rod (7) is connected with a base (13), the upper portion of the fixing rod (7) is located in a sliding opening (16) in the adjusting plate (2), a bubble level meter (14) is arranged at the edge of the adjusting plate (2), and a protective shell (8) is fixed to the middle of the upper end face of the adjusting plate (2), solar photovoltaic panels (15) are arranged on two sides of the upper part of the protective shell (8), and the solar photovoltaic panel (15) is connected with a lithium battery (19) in the protective shell (8) through a wire, and the inside of the 2 lithium batteries (19) is provided with an alarm (20), and meanwhile, the lithium batteries (19) are connected with an indicator lamp (22) through wires, a transmitting antenna (9) at the upper end of the alarm (20) penetrates through the middle part of the upper end surface of the protective shell (8), and the lithium battery (19) and the alarm (20) are fixed on the adjusting plate (2), a inching switch (21) is arranged on the lower end face of the alarm (20), a lifting cylinder (11) is arranged on the lower end face of the adjusting plate (2), a lifting rod (17) is arranged inside the lifting cylinder (11), and the lower end surface of the lifting cylinder (11) is in threaded connection with a protective head (12), and meanwhile, the middle part of the protective head (12) is provided with a protective net (18).
2. A water level warning device for hydraulic and hydro-power engineering as claimed in claim 1, wherein: the mounting structure of regulating plate (2) is the oscilaltion structure, and is welded connection between regulating plate (2) and mount (10) to regulating plate (2) is the level setting.
3. A water level warning device for hydraulic and hydro-power engineering as claimed in claim 1, wherein: the material of guard ring (3) is the rubber material, and guard ring (3) adopt sticky mode to be connected with fixed slot (4) to being provided with 2 layers of guard ring (3), the external diameter of guard ring (3) is greater than the external diameter of regulating plate (2) simultaneously.
4. A water level warning device for hydraulic and hydro-power engineering as claimed in claim 1, wherein: the inner diameter of the limiting sleeve (5) is the same as that of the sliding opening (16), the inner side surfaces of the limiting sleeve (5) and the sliding opening (16) are flush, and the limiting sleeve (5) and the sliding opening (16) are correspondingly installed.
5. A water level warning device for hydraulic and hydro-power engineering as claimed in claim 1, wherein: the joint between the protective shell (8) and the transmitting antenna (9) is in rubber ring sealing connection, and the protective shell (8) is of a detachable structure.
6. A water level warning device for hydraulic and hydro-power engineering as claimed in claim 1, wherein: a lift section of thick bamboo (11) are located the lower terminal surface in regulating plate (2) middle part, and the inside wall of a lift section of thick bamboo (11) and the smooth connection of opening inner wall in regulating plate (2) middle part to be integrated into one piece setting between a lift section of thick bamboo (11) and regulating plate (2).
7. A water level warning device for hydraulic and hydro-power engineering as claimed in claim 1, wherein: the lifting rod (17) comprises a pushing floating block (1701), a pushing plate (1702) and a supporting frame (1703), the pushing floating block (1701) is located at the lower end of the lifting rod (17), the pushing plate (1702) is located at the upper end of the lifting rod (17), and the supporting frame (1703) is located at the upper portion of the lifting rod (17).
8. A water level warning device for hydraulic and hydro-power engineering as claimed in claim 7, wherein: the lifting rod (17) runs through the support frame (1703), the two ends of the support frame (1703) are connected with the inner wall of the opening in the middle of the adjusting plate (2) in a welding mode, and the floating block (1701) is pushed to be made of hollow disc-shaped rubber materials.
9. A method of using a water level warning device for hydraulic and hydro-power engineering as claimed in claim 1, wherein: the method comprises the following specific steps:
step 1: according to the installation position, the alarm device main body (1) is judged to be installed by using the fixed frame (10) or the lifting rod (17);
step 2: when the alarm device is installed by using the fixing frame (10), the fixing frame (10) on one side of the alarm device main body (1) can be tightly attached to the outer wall of a detection dam or other buildings, the alarm device main body (1) is fixed on the outer wall of the detection dam or other buildings through the fixing frame (10) by using bolts through fixing holes in the fixing frame (10), and whether the installation is horizontal or not is judged by using a bubble level meter (14) on the upper end surface of the adjusting plate (2);
and step 3: when the lifting rod (17) is used for installation, the base (13) is fixed at the bottom, the lower end of the lifting rod (17) is fixed on the base (13), then the adjusting plate (2) is sleeved on the lifting rod (17) through the sliding port (16), the adjusting plate (2) vertically moves on the lifting rod (17) through the sliding port (16), after the adjusting plate (2) moves to a specified height, the limiting bolt (6) on the limiting sleeve (5) is screwed, the adjusting plate (2) is fixed, and whether installation is horizontal or not is judged through the bubble level meter (14) on the upper end face of the adjusting plate (2);
and 4, step 4: after the alarm device body (1) is installed, when the water level rises, the water level enters the lifting cylinder (11) through the protective net (18) on the protective head (12), then the lifting cylinder (11) is pushed upwards by pushing the floating block (1701), the lifting rod (17) is jacked upwards by pushing the floating block (1701), and the lifting rod (17) drives the pushing plate (1702) at the top end to move upwards;
and 5: with the continuous rising of the water surface, when the water surface exceeds the warning water level, the pushing plate (1702) pushes the inching switch (21) upwards;
step 6: the alarm (20) is electrified, and the alarm (20) sends an alarm signal to the control room through the transmitting antenna (9);
and 7: after the water level descends, the pushing floating block (1701) descends along with the water level, the pushing plate (1702) is separated from the inching switch (21), the alarm (20) is powered off, and the alarm is released.
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| CN201911008915.6A CN110715707B (en) | 2019-10-22 | 2019-10-22 | Water level alarm device and alarm method for hydraulic and hydroelectric engineering |
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| CN201911008915.6A CN110715707B (en) | 2019-10-22 | 2019-10-22 | Water level alarm device and alarm method for hydraulic and hydroelectric engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112584644A (en) * | 2020-11-29 | 2021-03-30 | 盐城景泰风电科技有限公司 | Water falling alarm device based on double positioning |
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