CN212275037U - Water level early warning device for water conservancy project construction survey - Google Patents
Water level early warning device for water conservancy project construction survey Download PDFInfo
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- CN212275037U CN212275037U CN202021357469.8U CN202021357469U CN212275037U CN 212275037 U CN212275037 U CN 212275037U CN 202021357469 U CN202021357469 U CN 202021357469U CN 212275037 U CN212275037 U CN 212275037U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 31
- 210000001503 joint Anatomy 0.000 claims abstract description 10
- 210000002421 cell wall Anatomy 0.000 claims abstract 2
- 238000010248 power generation Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 description 7
- 230000005611 electricity Effects 0.000 description 5
- 238000003032 molecular docking Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The application relates to a water level early warning device for water conservancy engineering construction survey, which comprises a base arranged at the bottom of water and a box body arranged on the base, wherein the bottom of the box body is fixedly provided with a butt joint seat, the upper surface of the base is correspondingly provided with a containing groove, a containing cavity is arranged in the base, two opposite side walls in the containing cavity rotatably bear a bidirectional screw rod, the bidirectional screw rod comprises a forward thread section and a reverse thread section, the bidirectional screw rod is in threaded connection with two slide blocks, the two slide blocks are symmetrical about the midpoint of the bidirectional screw rod in the length direction, the relative both sides of butt joint seat correspond and offer the export that supplies the slider to slide and stretch out, and two relative cell walls in the storage tank correspond and offer the socket that supplies two sliders to slide the grafting, are provided with the guide of restriction slider along the length direction displacement of two-way screw rod in the holding intracavity, and the holding intracavity is provided with and is used for driving the drive assembly of two-way screw rod reciprocating rotation. This application has the effect that is difficult to break away from between box and the base.
Description
Technical Field
The application relates to the field of hydraulic engineering, especially, relate to a water level early warning device for hydraulic engineering construction survey.
Background
The water level observations include riverbed changes, current conditions, flow direction, flood diversion, ice conditions, aquatic plants, waves, wind direction, wind power, water surface waviness, water temperature, and other factors that affect water level changes. In reservoir management, water level monitoring is an important management content, because the reservoir water level is directly related to important decisions such as water storage capacity, reservoir ecology, reservoir safety and the like. The early warning of the existing reservoir water level is realized by observing a water level scale, a reservoir manager needs to check the water level at variable times, the water level is monitored by the manager in real time in the flood season, the malignant events caused by rising of the water level are prevented, time and labor are wasted, and the practicability is low.
The reservoir water level early warning device with the publication number of CN210221208U in the related art comprises a base, wherein a box body is arranged at the top of the base, water inlets are formed in two sides of the box body, a slide bar is fixedly connected between the top and the bottom of the inner wall of the box body, a floating plate is arranged on the surface of the slide bar, the inner part of the floating plate is in sliding connection with the surface of the slide bar, the top of the box body is fixedly connected with a case, a storage battery, an inverter and a nut are respectively and fixedly connected with the bottom of the inner part of the case from left to right, the storage battery is electrically connected with the inverter, a threaded rod is connected with the inner thread of the nut, the bottom end of the threaded rod sequentially penetrates through the case and the box body and extends to the inner part of the box body, an acousto-optic warning lamp is fixedly connected, the solar panel is connected with the dc-to-ac converter electricity, the equal fixedly connected with sliding frame in both sides at base top, the draw-in groove has all been seted up to the bottom of box both sides, and the draw-in groove is used for fixed box, the bottom sliding connection of sliding frame inner wall has the slider, and the slider is used for driving the fixture block and removes, one side fixedly connected with fixture block of slider, fixture block and draw-in groove looks adaptation, the top of slider is run through sliding frame and is extended to the outside of sliding frame, the spout that the cooperation slider used is seted up at sliding frame's top, fixedly connected with spring between one side of slider and one side of sliding frame inner wall, the. The problem of reservoir water level early warning need the administrator to monitor the water level in real time, waste time and energy is solved.
With respect to the related art in the above, the inventors consider that: this kind of reservoir water level early warning device fixes the box on the base through spring and slider, because bottom of the case portion and base all are located the bottom, when receiving rivers or debris impact, the slider produces the displacement and probably leads to slider and box to break away from grafting to make the box break away from the base, consequently remain to improve.
SUMMERY OF THE UTILITY MODEL
In order to make be difficult to break away from between box and the base, this application provides a water level early warning device for hydraulic engineering construction survey.
The application provides a water level early warning device for hydraulic engineering construction survey adopts following technical scheme:
a water level early warning device for water conservancy project construction survey comprises a base arranged at the bottom of a water body and a box body arranged on the base and used for surveying the water level, wherein a butt joint seat is fixedly arranged at the bottom of the box body, an accommodating groove used for being in splicing fit with the bottom of the butt joint seat is correspondingly formed in the upper surface of the base, an accommodating cavity is formed in the base, two opposite side walls in the accommodating cavity rotatably bear two-way screw rods, each two-way screw rod comprises a forward thread section and a reverse thread section, the forward thread section and the reverse thread section are symmetrically arranged relative to the middle point of the two-way screw rod in the length direction, two sliding blocks are in threaded connection with the two sliding blocks, the two sliding blocks are symmetrical relative to the middle point of the two-way screw rod in the length direction, outlets for the sliding blocks to slide and extend are correspondingly formed in the two opposite side walls in, the bidirectional screw rod reciprocating rotation device is characterized in that a guide piece for limiting the sliding block to move along the length direction of the bidirectional screw rod is arranged in the accommodating cavity, and a driving assembly for driving the bidirectional screw rod to rotate in a reciprocating mode is arranged in the accommodating cavity.
Through adopting above-mentioned technical scheme, place the box on the base, the butt joint seat and the holding of bottom half are in the storage tank, then reciprocal the rotation through the two-way screw rod of drive assembly drive, the length direction displacement of guide restriction slider along two-way screw rod, thereby make two sliders move in opposite directions or back to back, thereby two slider back to back of the body movements slide and stretch out the socket grafting cooperation of export and storage tank, realize promptly with box fixed mounting on the base, compare in fixing the box on the base through spring and slider, when receiving rivers or debris impact, this application has the advantage that is difficult to break away from between box and the base.
Preferably, the guide piece is including seting up the guide way of holding intracavity, the slider cross section is L shape, the slider includes mutually perpendicular's inserted block and connecting block, the inserted block with connecting block fixed connection, the connecting block with two-way screw rod threaded connection, the inserted block slides in the guide way, the guide way is kept away from one side of two-way screw rod length direction's midpoint with the export is linked together.
Through adopting above-mentioned technical scheme, the inserted block slides in the guide way, can avoid the slider to rotate along with the rotation of two-way screw rod to the restriction slider is along the length direction displacement of two-way screw rod.
Preferably, the driving assembly comprises a rotating rod which is rotatably supported in the accommodating cavity and a worm which is coaxially fixed on the rotating rod, one end of the rotating rod penetrates through the base and extends out of the base, the rotating rod is located above the bidirectional screw rod, the rotating rod is perpendicular to the bidirectional screw rod, and a worm wheel which is meshed with the worm is coaxially and fixedly sleeved on the bidirectional screw rod.
Through adopting above-mentioned technical scheme, operating personnel rotates the bull stick and can pass through the meshing drive two-way screw rod of worm and worm wheel and rotate to order about two sliders and be close to each other or keep away from, the auto-lock effect of worm and worm wheel makes the transmission of two-way screw rod and bull stick have higher stability simultaneously.
Preferably, the water inlet has all been seted up to the both sides of box, set firmly vertical slide bar between the top in the box and the bottom, it is provided with the kickboard to slide on the slide bar, the top fixed mounting of box has quick-witted case, quick-witted incasement portion installs battery and threaded rod, the threaded rod runs through along vertical direction screw thread quick-witted case with the box and extend to the inside of box, one side fixedly connected with audible and visual alarm lamp of quick-witted case, audible and visual alarm lamp with the battery electricity is connected, the top fixedly connected with knob of threaded rod, the bottom of threaded rod is rotated and is connected with the touch switch that is used for responding to the kickboard, touch switch with audible and visual alarm lamp electricity is connected.
Through adopting above-mentioned technical scheme, inside water got into the box through the water inlet, the buoyancy of water drove the kickboard and upwards slides, and when the water level increased, the buoyancy of water drove the kickboard and upwards slides, and when the kickboard touched touch switch, touch switch opened the reputation warning light and reported to the police, reminded the staff and carried out flood control and handle, need not the administrator and carry out real-time supervision, simple structure, convenient operation to the water level.
Preferably, the top of the case is fixedly provided with a solar panel, the case is internally provided with an inverter, the solar panel is electrically connected with the inverter, and the storage battery is electrically connected with the inverter.
Through adopting above-mentioned technical scheme, solar panel converts solar energy into the electric energy, then gives through dc-to-ac converter and battery the reputation warning light supplies power.
Preferably, a filter screen is fixedly installed at the water inlet.
Through adopting above-mentioned technical scheme, the filter screen can filter the water that gets into the box.
Preferably, a water level gauge is fixedly installed on the side wall of the box body.
By adopting the technical scheme, the water level scale is convenient for operators to observe and know the water level.
Preferably, four corners of the bottom of the base are fixedly provided with fixing feet.
Through adopting above-mentioned technical scheme, the base is through four fixed foot fixed mounting at the bottom, and stability is better.
Preferably, the bottom of the base is fixedly connected with a weighting block.
Through adopting above-mentioned technical scheme, the setting of weight can promote the stability of base.
Preferably, one side of the surface of the case is hinged with a case door through a hinge, and one side of the surface of the case door is fixedly connected with a handle.
Through adopting above-mentioned technical scheme, the setting up of chamber door makes things convenient for operating personnel to survey the position of the touch switch of position control threaded rod bottom according to the difference.
In summary, the present application includes at least one of the following beneficial technical effects:
the box body is placed on the base, the butt joint seat and the butt joint seat at the bottom of the box body are accommodated in the accommodating groove, then the driving assembly drives the bidirectional screw rod to rotate in a reciprocating mode, the guide piece limits the sliding blocks to move along the length direction of the bidirectional screw rod, so that the two sliding blocks move in the opposite directions or in the opposite directions, the two sliding blocks move in the opposite directions, and the sliding blocks slide and extend out of the outlet to be matched with the socket of the accommodating groove in an inserting mode, namely the box body is fixedly installed on the base, and compared with the case body which is fixed on the base through the springs and the sliding blocks, the box body has the;
the water enters the box body through the water inlet, the buoyancy of the water drives the floating plate to slide upwards, when the water level is increased, the buoyancy of the water drives the floating plate to slide upwards, when the floating plate touches the touch switch, the touch switch turns on the sound and light alarm lamp to give an alarm and remind a worker to carry out flood control treatment, a manager does not need to monitor the water level in real time, and the structure is simple and convenient to operate;
the filter screen can filter the water that gets into the box.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is a schematic structural diagram of the box body and the inside of the chassis in the embodiment of the present application.
FIG. 3 is a partial cross-sectional view of a docking pod in an embodiment of the present application.
Description of reference numerals: 1. a base; 2. a box body; 3. a fixing leg; 4. a weighting block; 5. a water inlet; 6. a filter screen; 7. a slide bar; 8. a floating plate; 9. a chassis; 10. a storage battery; 11. a threaded rod; 12. an audible and visual alarm lamp; 13. a knob; 14. a touch switch; 15. a solar panel; 16. an inverter; 17. a box door; 18. a handle; 19. a docking station; 20. a containing groove; 201. a socket; 21. an accommodating cavity; 22. a bidirectional screw; 23. a slider; 231. inserting a block; 232. connecting blocks; 24. an outlet; 25. a guide groove; 26. a rotating rod; 27. a worm; 28. a water level scale; 29. a worm gear.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses water level early warning device for hydraulic engineering construction survey, refer to fig. 1, including installing at submarine base 1 and installing the box 2 that is used for surveying the water level on base 1, base 1 is the cuboid form, and base 1 is the level setting, and four edges of base 1 bottom all have set firmly fixed foot 3, and base 1 is at the bottom through 3 fixed mounting of four fixed foot, base 1's bottom fixedly connected with weight 4, and the setting of weight 4 can promote base 1's stability.
Referring to fig. 1 and 2, water inlet 5 has all been seted up to the relative both sides wall of box 2 below, and water inlet 5 department fixed mounting has filter screen 6, can filter the water that gets into in the box 2, and the condition that reduces deposits such as debris in the box 2 takes place, and the lateral wall fixed mounting of box 2 has vertical water level gauge 28 to make things convenient for operating personnel to observe and know the water level. Set firmly vertical slide bar 7 between the top in the box 2 and the bottom, slide on slide bar 7 and be provided with circular platelike kickboard 8, the top fixed mounting of box 2 has quick-witted case 9, quick-witted case 9 internally mounted has battery 10 and threaded rod 11, threaded rod 11 runs through quick-witted case 9 and box 2 and extends to the inside of box 2 along vertical direction screw thread, one side fixedly connected with audible and visual alarm lamp 12 of quick-witted case 9, audible and visual alarm lamp 12 is connected with battery 10 electricity, the top fixedly connected with knob 13 of threaded rod 11, the bottom of threaded rod 11 is rotated and is connected with touch switch 14 that is used for responding to kickboard 8, touch switch 14 is connected with audible and visual alarm lamp 12 electricity. The top of the case 9 is fixedly provided with a solar panel 15, the case 9 is internally provided with an inverter 16, the solar panel 15 is electrically connected with the inverter 16, and the storage battery 10 is electrically connected with the inverter 16. In addition, a box door 17 is hinged to one side of the surface of the case 9 through a hinge, a handle 18 is fixedly connected to one side of the surface of the box door 17, and the arrangement of the box door 17 is convenient for an operator to adjust the position of the touch switch 14 at the bottom of the threaded rod 11 according to different surveying positions.
Referring to fig. 2 and 3, a docking seat 19 is fixedly installed at the bottom of the box body 2, the docking seat 19 is rectangular, an accommodating groove 20 for being in plug-in fit with the bottom of the docking seat 19 is correspondingly formed in the upper surface of the base 1, an accommodating cavity 21 is formed in the base 1, two opposite side walls in the accommodating cavity 21 are rotatably supported by a bearing to form a two-way screw 22, the two-way screw 22 is perpendicular to the side wall of the accommodating cavity 21 which is rotatably connected with the two-way screw 22, the two-way screw 22 comprises a forward thread section and a reverse thread section, the forward thread section and the reverse thread section are symmetrically arranged relative to the midpoint of the length direction of the two-way screw 22, two sliders 23 are connected to the two-way screw 22 in a threaded manner, the two sliders 23 are symmetrical relative to the midpoint of the length direction of the two-way screw 22, the cross section of the slider 23 is L-shaped, the slider 23 comprises an insertion block, the accommodating cavity 21 is internally provided with a guide part for limiting the displacement of the slide block 23 along the length direction of the bidirectional screw 22, the guide part comprises a guide groove 25 arranged in the accommodating cavity 21, a connecting block 232 is in threaded connection with the bidirectional screw 22, an inserting block 231 slides in the guide groove 25, one side of the guide groove 25, which is far away from the midpoint of the length direction of the bidirectional screw 22, is communicated with an outlet 24, the cross sections of the outlet 24 and the guide groove 25 are consistent in size and are arranged along the same central line, and two opposite groove walls in the accommodating cavity 20 are correspondingly provided with sockets 201 for the two slide blocks 23 to slide and be inserted. The accommodating cavity 21 is internally provided with a driving component for driving the bidirectional screw 22 to rotate in a reciprocating manner.
Specifically, the driving assembly comprises a rotating rod 26 and a worm 27, wherein the rotating rod 26 is rotatably borne in the accommodating cavity 21 through a bearing, the worm 27 is coaxially fixed on the rotating rod 26, one end of the rotating rod 26 penetrates through and extends out of the base 1, the rotating rod 26 is positioned above the bidirectional screw 22, the rotating rod 26 is perpendicular to the bidirectional screw 22, a worm wheel 29 meshed with the worm 27 is coaxially and fixedly sleeved on the bidirectional screw 22, and an operator can drive the bidirectional screw 22 to rotate through the meshing of the worm 27 and the worm wheel 29 by rotating the rotating rod 26, so that the two sliding blocks 23 are driven to approach or separate from each other.
The implementation principle of the water level early warning device for water conservancy project construction survey in the embodiment of the application is as follows: when the device is used, the base 1 is fixed in a shallow water area of a reservoir through the four fixing legs 3, the box body 2 is placed on the base 1, the butt-joint seat 19 at the bottom of the box body 2 and the box body are accommodated in the accommodating groove 20, then the two-way screw rod 22 is driven to rotate in a reciprocating mode through the driving assembly, the guide piece limits the displacement of the slide block 23 along the length direction of the two-way screw rod 22, so that the two slide blocks 23 move in the opposite directions or in the opposite directions, the two slide blocks 23 move in the opposite directions, and then the slide blocks slide to extend out the outlet 24 to be in plug-in fit with the plug openings 201 of the accommodating groove 20, namely, the box body 2 is fixedly installed on the base 1, compared with the case body 2 fixed on the base 1 through the springs; then the door 17 of the box is opened through the handle 18, the knob 13 is rotated, the knob 13 drives the threaded rod 11 to rotate, the threaded rod 11 drives the touch switch 14 to move up and down, after the threaded rod moves to a proper position, the knob 13 is stopped to rotate, the water level warning line can be adjusted differently according to the water levels of different reservoirs, the water in the reservoirs enters the box body 2 through the water inlet 5, the filter screen 6 can filter the water entering the box body 2, the situation that sundries and the like are deposited in the box body 2 is reduced, when the water level is increased, the buoyancy of the water drives the floating plate 8 to slide upwards, when the floating plate 8 touches the touch switch 14, the touch switch 14 turns on the sound-light alarm lamp 12 to give an alarm to remind a worker to carry out flood control, a manager does not need to monitor the water level in real time, the structure is simple, the operation is convenient, the electric energy of the solar panel, the storage battery 10 can continuously supply power for the acousto-optic alarm lamp 12, and has low cost and high practicability.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a hydraulic engineering construction surveys uses water level early warning device, is including installing base (1) at the bottom and installing be used for surveying box (2) of water level on base (1), its characterized in that: the bottom of box (2) has set firmly butt joint seat (19), the upper surface of base (1) correspond offer be used for with the bottom grafting complex storage tank (20) of butt joint seat (19), set up holding chamber (21) in base (1), relative both sides wall in holding chamber (21) rotates bears bidirectional screw (22), bidirectional screw (22) include forward thread section and reverse thread section, forward thread section and reverse thread section about the midpoint symmetry of the length direction of bidirectional screw (22) sets up, threaded connection has two slider (23) on bidirectional screw (22), two slider (23) about the midpoint symmetry of bidirectional screw (22) length direction, the relative both sides of butt joint seat (19) correspond and offer the confession export (24) that slide and stretch out slider (23), two relative cell wall correspondences in storage tank (20) are offered and are supplied two slider (23) slide and insert the cooperation of sliding The connecting socket (201), a guide piece for limiting the sliding block (23) to move along the length direction of the bidirectional screw (22) is arranged in the accommodating cavity (21), and a driving assembly for driving the bidirectional screw (22) to rotate in a reciprocating mode is arranged in the accommodating cavity (21).
2. The water level early warning device for the water conservancy project construction survey according to claim 1, characterized in that: the guide part is including seting up guide way (25) in holding chamber (21), slider (23) transversal personally submit L shape, slider (23) include mutually perpendicular's inserted block (231) and connecting block (232), inserted block (231) with connecting block (232) fixed connection, connecting block (232) with two-way screw rod (22) threaded connection, inserted block (231) slide in guide way (25), guide way (25) are kept away from one side of two-way screw rod (22) length direction's midpoint with export (24) are linked together.
3. The water level early warning device for the water conservancy project construction survey according to claim 1, characterized in that: the driving assembly comprises a rotating rod (26) which is rotatably supported in the accommodating cavity (21) and a worm (27) which is coaxially fixed on the rotating rod (26), one end of the rotating rod (26) penetrates through and extends out of the base (1), the rotating rod (26) is located above the bidirectional screw (22), the rotating rod (26) is perpendicular to the bidirectional screw (22), and a worm wheel (29) which is meshed with the worm (27) is coaxially and fixedly sleeved on the bidirectional screw (22).
4. The water level early warning device for the water conservancy project construction survey according to claim 1, characterized in that: the water inlet (5) is formed in each of two sides of the box body (2), a vertical sliding rod (7) is fixedly arranged between the top and the bottom in the box body (2), a floating plate (8) is arranged on each sliding rod (7) in a sliding mode, a box body (9) is fixedly installed at the top of the box body (2), a storage battery (10) and a threaded rod (11) are installed inside the box body (9), the threaded rod (11) penetrates through the box body (9) and the box body (2) along the vertical direction in a threaded mode and extends into the box body (2), an acousto-optic alarm lamp (12) is fixedly connected to one side of the box body (9), the acousto-optic alarm lamp (12) is electrically connected with the storage battery (10), a knob (13) is fixedly connected to the top of the threaded rod (11), a touch switch (14) used for sensing the floating plate (8) is rotatably connected to the bottom of the, the touch switch (14) is electrically connected with the acousto-optic warning lamp (12).
5. The water level early warning device for water conservancy project construction surveying of claim 4, wherein: the solar photovoltaic power generation system is characterized in that a solar panel (15) is fixedly mounted at the top of the case (9), an inverter (16) is mounted in the case (9), the solar panel (15) is electrically connected with the inverter (16), and the storage battery (10) is electrically connected with the inverter (16).
6. The water level early warning device for water conservancy project construction surveying of claim 4, wherein: and a filter screen (6) is fixedly arranged at the water inlet (5).
7. The water level early warning device for the water conservancy project construction survey according to claim 1, characterized in that: and a water level scale (28) is fixedly arranged on the side wall of the box body (2).
8. The water level early warning device for the water conservancy project construction survey according to claim 1, characterized in that: four edges of base (1) bottom all set firmly fixed foot (3).
9. The water level early warning device for the water conservancy project construction survey according to claim 1, characterized in that: the bottom of the base (1) is fixedly connected with a weighting block (4).
10. The water level early warning device for water conservancy project construction surveying of claim 4, wherein: one side of the surface of the case (9) is hinged with a case door (17) through a hinge, and one side of the surface of the case door (17) is fixedly connected with a handle (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021357469.8U CN212275037U (en) | 2020-07-10 | 2020-07-10 | Water level early warning device for water conservancy project construction survey |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021357469.8U CN212275037U (en) | 2020-07-10 | 2020-07-10 | Water level early warning device for water conservancy project construction survey |
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| Publication Number | Publication Date |
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| CN212275037U true CN212275037U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021357469.8U Expired - Fee Related CN212275037U (en) | 2020-07-10 | 2020-07-10 | Water level early warning device for water conservancy project construction survey |
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| CN (1) | CN212275037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837923A (en) * | 2022-04-20 | 2022-08-02 | 台州市广星电子科技有限公司 | Water pump switch controlled by water level regulation |
| CN118464147A (en) * | 2024-07-09 | 2024-08-09 | 三峡金沙江云川水电开发有限公司 | Hydropower plant alarm processing device |
-
2020
- 2020-07-10 CN CN202021357469.8U patent/CN212275037U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837923A (en) * | 2022-04-20 | 2022-08-02 | 台州市广星电子科技有限公司 | Water pump switch controlled by water level regulation |
| CN118464147A (en) * | 2024-07-09 | 2024-08-09 | 三峡金沙江云川水电开发有限公司 | Hydropower plant alarm processing device |
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