CN211740348U - Hydraulic monitoring device for hydraulic engineering - Google Patents
Hydraulic monitoring device for hydraulic engineering Download PDFInfo
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- CN211740348U CN211740348U CN202020016335.3U CN202020016335U CN211740348U CN 211740348 U CN211740348 U CN 211740348U CN 202020016335 U CN202020016335 U CN 202020016335U CN 211740348 U CN211740348 U CN 211740348U
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- rectangular box
- bottom end
- inner cavity
- block
- floating
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Abstract
The utility model discloses a hydraulic monitoring device for hydraulic engineering, include: a base; the rectangular column is fixedly arranged at the top end of the base; the groove is formed in the center of the top end of the rectangular column; the first sliding groove is formed in the center of the right side wall surface of the rectangular column in the vertical direction, and the top end of the first sliding groove is open; the sliding block is embedded in the inner cavity of the first sliding groove, and the right side of the sliding block extends out of the first sliding groove; the device comprises a rectangular column, a connecting and fixing mechanism, a rectangular box, a controller, a photoelectric sensor, a buzzer, a strip-shaped opening and a measuring mechanism, wherein the rotating mechanism is arranged on the upper surface of the rectangular column. This water conservancy project water conservancy monitoring devices, the staff of can being convenient for is regardless of staff's operating space to water conservancy monitoring devices's maintenance, has reduced staff's the work degree of difficulty, has satisfied staff's work demand, is favorable to extensively promoting.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field specifically is a hydraulic monitoring device for hydraulic engineering.
Background
The flood control and the full development and utilization of water resources become a major subject of the modern socioeconomic development, water is a valuable resource essential for human production and life, but the naturally existing state of the water does not completely meet the requirements of human beings, and the water flow can be controlled only by building hydraulic engineering to prevent flood disasters and regulate and distribute water quantity so as to meet the requirements of people on water resources in life and production.
In current hydraulic engineering uses water conservancy monitoring devices, because long-time outdoor use, need regularly maintain, but current water conservancy monitoring devices is very troublesome inconvenient when maintaining, has restricted staff's operating space, increases staff's the work degree of difficulty, can't satisfy staff's work demand, is unfavorable for extensive popularization.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water conservancy monitoring device for hydraulic engineering to solve the problem that the staff of being not convenient for among the prior art carries out the maintenance to water conservancy monitoring device at least.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic monitoring device for hydraulic engineering, comprising:
a base;
the rectangular column is fixedly arranged at the top end of the base;
the groove is formed in the center of the top end of the rectangular column;
the first sliding groove is formed in the center of the right side wall surface of the rectangular column in the vertical direction, and the top end of the first sliding groove is open;
the sliding block is embedded in the inner cavity of the first sliding groove, and the right side of the sliding block extends out of the first sliding groove;
also comprises a rotating mechanism, a connecting and fixing mechanism, a rectangular box, a controller, a photoelectric sensor, a buzzer, a strip-shaped opening and a measuring mechanism, the rotating mechanism is arranged on the upper surface of the rectangular column, the connecting and fixing mechanism is arranged on the outer wall of the rectangular column, the rectangular box is fixedly arranged on one side of the connecting and fixing mechanism, the right side of the rectangular box is open, the right side of the rectangular box is connected with a door plate through a hinge, the other side of the door plate is locked with the rectangular box through a lock head, the controller is fixedly arranged at the center of the left side of the inner cavity of the rectangular box, the two photoelectric sensors are respectively and fixedly arranged at the center of the front side and the rear side of the inner cavity of the rectangular box, buzzer fixed mounting is on the top of rectangle case, the bar opening is seted up in the bottom central point of rectangle case along left right direction and is put, measuring mechanism sets up the bottom at the rectangle case.
Preferably, the rotating mechanism includes: the rotating block is arranged on the upper surface of the rectangular column; the rotating rod is integrally formed at the center of the bottom end of the rotating block, the bottom end of the rotating rod extends to the bottom end of the inner cavity of the groove, the bottom end of the rotating rod is mounted with the bottom end of the inner cavity of the groove through a bearing, an inner ring of the bearing is in interference fit with the rotating rod, and an outer ring of the bearing is fixedly connected with the rectangular column; the second sliding chute is arranged at the center of the right side of the rotating block along the vertical direction, and the bottom end of the second sliding chute is open and communicated with the inner cavity of the first sliding chute; and the two screw holes are respectively formed in the middle parts of the front side and the rear side of the rotating block.
Preferably, the inner cavities of the second sliding groove and the first sliding groove are matched, and the first sliding groove, the second sliding groove and the sliding block are all arranged in a dovetail shape.
Preferably, the connection fixing mechanism includes: the connecting block is fixedly arranged on the right side of the sliding block; the concave plate is sleeved at the bottom end of the outer wall of the rectangular column, and the inner wall of the concave plate is attached to the rectangular column; the two screw rods are respectively screwed at the central positions of the front side and the rear side of the concave plate corresponding to the vertical center line of the rectangular column, and the inner ends of the screw rods are screwed with the rectangular column; the handle, the handle fixed mounting is in the outer end of screw rod.
Preferably, the left end of the rectangular box is fixedly installed together with the connecting block, and the front side and the rear side of the rectangular box are fixedly installed together with the front side and the rear side of the inner cavity of the concave plate.
Preferably, the measuring mechanism includes: the hollow rod is fixedly arranged at the center of the bottom end of the rectangular box, and the inner cavity of the hollow rod is communicated with the inner cavity of the rectangular box through the strip-shaped opening; the floating block is inserted into the inner cavity of the hollow rod, and the periphery of the outer wall of the floating block is mutually attached to the periphery of the inner wall of the hollow rod; the floating rod is fixedly arranged at the bottom end of the floating block, and a hollow rod extends out of the bottom end of the floating rod; the floating ball is fixedly arranged at the bottom end of the floating rod; the floating plate is fixedly installed at the top end of the floating block, and the floating plate is matched with the inner cavity with the strip-shaped opening.
Preferably, the vertical distance between the top end of the photoelectric sensor and the lower surface of the rectangular box is smaller than the height of the floating plate, and the distance between the top end of the floating block and the top end of the inner cavity of the hollow rod is equal to the length of the hollow rod extended from the bottom end of the floating rod.
Compared with the prior art, the beneficial effects of the utility model are that: when workers need to maintain, the screw rod can be driven to rotate by rotating the handle, the screw rod can be moved outwards and separated from the rectangular column when being rotated by the screwed fit of the screw rod and the rectangular column, the workers can conveniently lift the concave plate upwards to enable the rectangular box and the measuring mechanism to move upwards, after the concave plate moves upwards to the outer wall of the rotating block and enables the screw rod to correspond to the screw hole, the sliding block enters the inner cavity of the second sliding chute, the handle is rotated in the opposite direction again, the screw rod can be moved inwards and screwed in the inner cavity of the screw hole to fix the concave plate, the rectangular box and the measuring mechanism, the rotating block, the rectangular box and the measuring mechanism can be driven to rotate by rotating the concave plate by taking the rotating rod as the circle center, the rectangular box and the measuring mechanism are rotated to the bank edge of the other side of the rectangular column, so that the workers can maintain and inspect the inside of the rectangular box and the measuring mechanism, therefore, the maintenance of the water conservancy monitoring device by the staff can be facilitated, the working difficulty of the staff is reduced regardless of the operating space of the staff, the working requirement of the staff is met, and the water conservancy monitoring device is favorable for wide popularization.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a partial sectional structure of a rectangular column according to the present invention;
FIG. 3 is a schematic top view of the concave plate of the present invention in partial cross-sectional configuration;
fig. 4 is a schematic sectional view of the rectangular box and the hollow rod of the present invention.
In the figure: 1. the device comprises a base, 2, a rectangular column, 3, a groove, 4, a rotating block, 5, a rotating rod, 6, a first sliding groove, 7, a second sliding groove, 8, a sliding block, 9, a connecting block, 10, a rectangular box, 11, a concave plate, 12, a screw rod, 13, a handle, 14, a screw hole, 15, a controller, 16, a photoelectric sensor, 17, a buzzer, 18, a strip-shaped opening, 19, a hollow rod, 20, a floating block, 21, a floating rod, 22, a floating ball, 23 and a floating plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a hydraulic monitoring device for hydraulic engineering, comprising: the device comprises a base 1, a rectangular column 2, a groove 3, a first sliding chute 6, a sliding block 8, a rotating mechanism, a connecting and fixing mechanism, a rectangular box 10, a controller 15, a photoelectric sensor 16, a buzzer 17, a strip-shaped opening 18 and a measuring mechanism, wherein the rectangular column 2 is fixedly arranged at the top end of the base 1; the groove 3 is formed in the center of the top end of the rectangular column 2; the first sliding groove 6 is formed in the center of the right side wall surface of the rectangular column 2 in the vertical direction, and the top end of the first sliding groove 6 is open; the sliding block 8 is embedded in the inner cavity of the first sliding chute 6, and the right side of the sliding block 8 extends out of the first sliding chute 6; the rotating mechanism is arranged on the upper surface of the rectangular column 2, the connecting and fixing mechanism is arranged on the outer wall of the rectangular column 2, the rectangular box 10 is fixedly arranged on one side of the connecting and fixing mechanism, the right side of the rectangular box 10 is open, the right side of the rectangular box 10 is connected with a door plate through a hinge, the other side of the door plate is locked with the rectangular box 10 through a lock head, a controller 15 is fixedly arranged at the central position of the left side of the inner cavity of the rectangular box 10, two photoelectric sensors 16 are respectively and fixedly arranged at the central positions of the front side and the rear side of the inner cavity of the rectangular box 10, a buzzer 17 is fixedly arranged at the top end of the rectangular box 10, can be convenient for send out the warning through bee calling organ 17 and warn the staff, bar opening 18 is seted up in the bottom central point of rectangle case 10 along left right direction and is put, and measuring mechanism sets up in the bottom of rectangle case 10, can be convenient for measure the water level through measuring mechanism and rise whether reach the potential safety hazard.
Preferably, the rotating mechanism further includes: the rotating block 4, the rotating rod 5, the second sliding groove 7 and the screw hole 14 are arranged, and the rotating block 4 is arranged on the upper surface of the rectangular column 2; the rotating rod 5 is integrally formed at the center of the bottom end of the rotating block 4, the bottom end of the rotating rod 5 extends to the bottom end of the inner cavity of the groove 3, the bottom end of the rotating rod 5 is mounted with the bottom end of the inner cavity of the groove 3 through a bearing, an inner ring of the bearing is in interference fit with the rotating rod 5, an outer ring of the bearing is fixedly connected with the rectangular column 2, and the rotating block 4 and the rotating rod 5 can rotate conveniently through the fit between the rotating rod 5 and the bottom end of the inner cavity of the groove 3; the second sliding chute 7 is arranged at the right center of the rotating block 4 along the up-down direction, and the bottom end of the second sliding chute 7 is open and communicated with the inner cavity of the first sliding chute 6; two screw holes 14 are respectively arranged in the middle of the front side and the rear side of the rotating block 4.
As preferred scheme, further, the inner chamber phase-match of second spout 7 and first spout 6, second spout 7 and slider 8 all are the dovetail setting, can make slider 8 more stable move at the inner chamber of first spout 6 and second spout 7, avoid the inner chamber separation of slider 8 and first spout 6 and second spout 7.
Preferably, the connection fixing mechanism further includes: the connecting block 9, the concave plate 11, the screw 12 and the handle 13, wherein the connecting block 9 is fixedly arranged on the right side of the sliding block 8; the concave plate 11 is sleeved at the bottom end of the outer wall of the rectangular column 2, and the inner wall of the concave plate 11 is attached to the rectangular column 2; the two screw rods 12 are respectively screwed at the central positions of the front side and the rear side of the concave plate 11 corresponding to the vertical center line of the rectangular column 2, the inner ends of the screw rods 12 are screwed with the rectangular column 2, the screw rods 12 can move inwards or outwards while rotating through the screw connection and matching of the screw rods 12 with the concave plate 11 and the rectangular column 2, and meanwhile, the concave plate 11 and the rectangular column 2 can be conveniently positioned and fixed through the screw rods 12; the handle 13 is fixedly arranged at the outer end of the screw 12, and the rotation of the screw 12 can be facilitated through the handle 13.
Preferably, the left end of the rectangular box 10 is fixedly mounted to the connecting block 9, and the front and rear sides of the rectangular box 10 are fixedly mounted to the front and rear right sides of the inner cavity of the concave plate 11, so that the rectangular box 10 can be more stably fixed by the cooperation of the connecting block 9, the concave plate 11 and the rectangular box 10.
Preferably, the measuring mechanism further includes: the hollow rod 19 is fixedly arranged at the center of the bottom end of the rectangular box 10, and the inner cavity of the hollow rod 19 is communicated with the inner cavity of the rectangular box 10 through the strip-shaped opening 18; the floating block 20 is inserted in the inner cavity of the hollow rod 19, and the periphery of the outer wall of the floating block 20 is mutually attached to the periphery of the inner wall of the hollow rod 19; the floating rod 21 is fixedly arranged at the bottom end of the floating block 20, and a hollow rod 19 extends out of the bottom end of the floating rod 21; the floating ball 22 is fixedly arranged at the bottom end of the floating rod 21; the floating plate 23 is fixedly installed at the top end of the floating block 20, the floating plate 23 is matched with an inner cavity of the strip-shaped opening 18, the floating plate 23 can be conveniently moved through the strip-shaped opening 18, and whether the water level rising reaches the potential safety hazard or not can be conveniently measured through the floating block 20, the floating rod 21, the floating ball 22 and the floating plate 23.
Preferably, the vertical distance between the top end of the photoelectric sensor 16 and the lower surface of the rectangular box 10 is less than the height of the floating plate 23, and the distance between the top end of the floating block 20 and the top end of the inner cavity of the hollow rod 19 is equal to the length of the bottom end of the floating rod 21 extending out of the hollow rod 19, so that the floating plate 23 can move upwards to the inner side of the photoelectric sensor 16.
The controller 15, the photoelectric sensor 16 and the buzzer 17 are all connected by conducting wires, and it should be noted that the electrical connection technology and each model of the controller 15, the photoelectric sensor 16 and the buzzer 17 belong to the prior art, and are not described herein too much.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the device is used, the device is fixed on the shore, the rectangular box 10 and the measuring mechanism are arranged above the water surface, after the water level continuously rises and contacts with the floating ball 22, the floating rod 21, the floating block 20 and the floating plate 23 can move upwards under the action of buoyancy, after the water level rises to a certain height, the floating plate 23 moves upwards to penetrate through the strip-shaped opening 18 and extend to the inner cavity of the rectangular box 10 and move to the inner side of the photoelectric sensor 16, the photoelectric sensor 16 detects the floating plate 23 and transmits a signal to the controller 15, the controller 15 controls the buzzer 17 to start, the buzzer 17 sends out a warning to warn a worker, when the inside of the rectangular box 10 and the measuring mechanism need to be maintained, the worker rotates the handle 13 outwards to drive the screw rod 12 to rotate, under the threaded matching of the screw rod 12 with the rectangular column 2 and the concave plate 11, the screw rod 12 can rotate and move outwards at the same time, separating the screw 12 from the rectangular column 2, pulling the concave plate 11 upwards to drive the rectangular box 10 and the measuring mechanism to move upwards, the rectangular box 10 driving the connecting block 9 and the sliding block 8 to move upwards, the sliding block 9 moving upwards along the first sliding groove 6, when the concave plate 11 moving upwards to the outer wall of the rotating block 4 and making the screw 12 corresponding to the screw hole 14, the sliding block 9 entering the inner cavity of the second sliding groove 7, rotating the handle 13 in the opposite direction again to make the screw 12 rotating and moving inwards to screw in the inner cavity of the screw hole 14 at the same time, making the concave plate 11, the rectangular box 10 and the measuring mechanism fixed, at this time, rotating the concave plate 11, the concave plate 11 driving the rotating block 4 to rotate with the rotating rod 5 as the center, and at the same time, the concave plate 11 driving the rectangular box 10 and the measuring mechanism to rotate with the rotating rod 5 as the center, making the rectangular box 10 and the measuring mechanism rotate to the bank edge of the other side of, so that the staff maintains the inspection to the inside and the measuring mechanism of rectangle case 10, the device compact structure, reasonable in design can be convenient for the staff to the maintenance of water conservancy monitoring devices, easy operation, convenient to use.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "interference fit," "threaded," "plugged," "disposed," "mounted," and the like are to be construed broadly and can be, for example, fixedly attached, removably attached, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a water conservancy monitoring devices for hydraulic engineering which characterized in that: the method comprises the following steps:
a base (1);
the rectangular column (2), the said rectangular column (2) is fixedly mounted on the top of the base (1);
the groove (3) is formed in the center of the top end of the rectangular column (2);
the first sliding chute (6) is formed in the center of the right side wall surface of the rectangular column (2) in the vertical direction, and the top end of the first sliding chute (6) is open;
the sliding block (8) is embedded in the inner cavity of the first sliding groove (6), and the right side of the sliding block (8) extends out of the first sliding groove (6);
the device is characterized by further comprising a rotating mechanism, a connecting and fixing mechanism, a rectangular box (10), a controller (15), a photoelectric sensor (16), a buzzer (17), a strip-shaped opening (18) and a measuring mechanism, wherein the rotating mechanism is arranged on the upper surface of the rectangular column (2), the connecting and fixing mechanism is arranged on the outer wall of the rectangular column (2), the rectangular box (10) is fixedly arranged on one side of the connecting and fixing mechanism, the right side of the rectangular box (10) is open, the right side of the rectangular box (10) is connected with a door plate through a hinge, the other side of the door plate is locked with the rectangular box (10) through a lock head, the controller (15) is fixedly arranged at the center position of the left side of an inner cavity of the rectangular box (10), the two photoelectric sensors (16) are respectively and fixedly arranged at the center positions of the front side and the rear side of the inner cavity of the rectangular box (10), and the buzzer (17, the strip-shaped opening (18) is arranged at the center of the bottom end of the rectangular box (10) in the left-right direction, and the measuring mechanism is arranged at the bottom end of the rectangular box (10).
2. The hydraulic monitoring device for hydraulic engineering according to claim 1, wherein: the rotating mechanism includes:
the rotating block (4), the rotating block (4) is arranged on the upper surface of the rectangular column (2);
the rotating rod (5) is integrally formed and arranged at the center of the bottom end of the rotating block (4), the bottom end of the rotating rod (5) extends to the bottom end of the inner cavity of the groove (3), the bottom end of the rotating rod (5) is mounted with the bottom end of the inner cavity of the groove (3) through a bearing, an inner ring of the bearing is in interference fit with the rotating rod (5), and an outer ring of the bearing is fixedly connected with the rectangular column (2);
the second sliding chute (7) is formed in the center of the right side of the rotating block (4) in the vertical direction, and the bottom end of the second sliding chute (7) is open and communicated with the inner cavity of the first sliding chute (6);
screw holes (14), two screw holes (14) are respectively arranged in the middle of the front side and the rear side of the rotating block (4).
3. The hydraulic monitoring device for hydraulic engineering according to claim 2, wherein: the inner cavities of the second sliding groove (7) and the first sliding groove (6) are matched, and the first sliding groove (6), the second sliding groove (7) and the sliding block (8) are all arranged in a dovetail shape.
4. The hydraulic monitoring device for hydraulic engineering according to claim 1, wherein: the connection fixing mechanism includes:
the connecting block (9), the said connecting block (9) is fixedly mounted on the right side of the slide block (8);
the concave plate (11) is sleeved at the bottom end of the outer wall of the rectangular column (2), and the inner wall of the concave plate (11) is attached to the rectangular column (2);
the two screw rods (12) are respectively screwed at the central positions of the front side and the rear side of the concave plate (11) corresponding to the vertical center line of the rectangular column (2), and the inner ends of the screw rods (12) are screwed with the rectangular column (2);
the handle (13), handle (13) fixed mounting is in the outer end of screw rod (12).
5. A hydraulic monitoring device for hydraulic engineering according to claim 1 or 4, characterized in that: the left end of the rectangular box (10) is fixedly installed together with the connecting block (9), and the front side and the rear side of the rectangular box (10) are fixedly installed together with the front side and the rear side of the inner cavity of the concave plate (11).
6. The hydraulic monitoring device for hydraulic engineering according to claim 1, wherein: the measuring mechanism includes:
the hollow rod (19) is fixedly arranged at the center of the bottom end of the rectangular box (10), and the inner cavity of the hollow rod (19) is communicated with the inner cavity of the rectangular box (10) through the strip-shaped opening (18);
the floating block (20) is inserted into the inner cavity of the hollow rod (19), and the periphery of the outer wall of the floating block (20) is mutually attached to the periphery of the inner wall of the hollow rod (19);
the floating rod (21) is fixedly arranged at the bottom end of the floating block (20), and the bottom end of the floating rod (21) extends out of the hollow rod (19);
the floating ball (22), the said floating ball (22) is fixedly mounted on the bottom end of the float lever (21);
the floating plate (23) is fixedly arranged at the top end of the floating block (20), and the floating plate (23) is matched with the inner cavity of the strip-shaped opening (18).
7. The hydraulic monitoring device for hydraulic engineering according to claim 6, wherein: the vertical distance between the top end of the photoelectric sensor (16) and the lower surface of the rectangular box (10) is smaller than the height of the floating plate (23), and the distance between the top end of the floating block (20) and the top end of the inner cavity of the hollow rod (19) is equal to the length of the hollow rod (19) extending out of the bottom end of the floating rod (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020016335.3U CN211740348U (en) | 2020-01-06 | 2020-01-06 | Hydraulic monitoring device for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020016335.3U CN211740348U (en) | 2020-01-06 | 2020-01-06 | Hydraulic monitoring device for hydraulic engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211740348U true CN211740348U (en) | 2020-10-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020016335.3U Expired - Fee Related CN211740348U (en) | 2020-01-06 | 2020-01-06 | Hydraulic monitoring device for hydraulic engineering |
Country Status (1)
| Country | Link |
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| CN (1) | CN211740348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113034858A (en) * | 2021-03-19 | 2021-06-25 | 安徽赛安安全设备有限责任公司 | Water body peculiar smell gas monitoring device for hydraulic engineering |
-
2020
- 2020-01-06 CN CN202020016335.3U patent/CN211740348U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113034858A (en) * | 2021-03-19 | 2021-06-25 | 安徽赛安安全设备有限责任公司 | Water body peculiar smell gas monitoring device for hydraulic engineering |
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Granted publication date: 20201023 Termination date: 20220106 |