CN111947742A - New forms of energy anticollision automatically cleaning tide gauge - Google Patents
New forms of energy anticollision automatically cleaning tide gauge Download PDFInfo
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- CN111947742A CN111947742A CN202010859495.9A CN202010859495A CN111947742A CN 111947742 A CN111947742 A CN 111947742A CN 202010859495 A CN202010859495 A CN 202010859495A CN 111947742 A CN111947742 A CN 111947742A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000012360 testing method Methods 0.000 claims description 53
- 230000005611 electricity Effects 0.000 claims description 29
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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Classifications
-
- 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
- G01F23/40—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 bands or wires as transmission elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a new energy anti-collision self-cleaning tide gauge which comprises a tide measuring well, wherein the tide measuring well comprises a water level cavity, a tide measuring cavity and a cleaning cavity, a tide measuring mechanism is arranged in the water level cavity, a self-cleaning mechanism is arranged in the cleaning cavity, and a second articulated shaft is fixedly arranged at the lower side of the left end and the right end of the cleaning cavity.
Description
Technical Field
The invention relates to the field of hydroelectric power generation, in particular to a new energy anti-collision self-cleaning tide gauge.
Background
As is well known, tidal observation is generally called water level observation, also called tidal inspection, and the purpose of tidal inspection is to know local tidal properties, apply the obtained tidal observation data, calculate the tidal harmonic constant, average sea level, depth datum, tidal forecast of the area, provide water level correction numbers for measuring different times, and supply the data to military, transportation, aquatic products, surveying and mapping departments.
Disclosure of Invention
The invention aims to provide a new energy anti-collision self-cleaning tide gauge, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme. The invention discloses a new energy anti-collision self-cleaning tide gauge which comprises a tide gauge well, wherein the tide gauge well comprises a water level cavity, a tide gauge cavity and a cleaning cavity; a tide checking mechanism is arranged in the water level cavity, a self-cleaning mechanism is arranged in the cleaning cavity, a second articulated shaft is fixedly arranged at the lower side of the left end and the right end of the cleaning cavity, a baffle is articulated on the second articulated shaft, a plurality of water inlet and outlet holes which penetrate through the tide checking well are uniformly distributed on the outer wall of the cleaning cavity above the baffle, a third fixed block is fixedly arranged above the water inlet and outlet holes, sliding rod holes which penetrate through the tide checking well and the third fixed block and are bilaterally symmetrical are arranged on the outer wall of the cleaning cavity above the water inlet and outlet holes, sliding rods are arranged in the sliding rod holes in a sliding manner, a cleaning movable block is fixedly arranged in the cleaning cavity, a plurality of through hole rods which are in one-to-one correspondence with the water inlet and outlet holes are fixedly arranged at the outer end of the cleaning movable block, a plurality of bilaterally symmetrical second, the fixed third spring that is equipped with bilateral symmetry in third fixed block upper end, the fixed reaction piece that is equipped with in third spring upper end, the fixed trapezoidal suddenly board that is equipped with of reaction piece lower extreme, it from left to right fixes aerogenerator, second fixed block, motor in proper order to test tide chamber upper end, the motor left end rotates and is equipped with and runs through the clean axle of second fixed block, clean epaxial fixed two clean rope wheels that are equipped with bilateral symmetry, it is equipped with clean pouring weight to slide between the inner wall in water level chamber, clean pouring weight with connect the clean rope that is equipped with bilateral symmetry between the clean rope wheel.
Further, it is equipped with the impeller to test the tide well outside rotation, the fixed impeller gear that is equipped with in impeller upper end sleeve top, it from left to right fixes being equipped with battery, hydroelectric generator in proper order to test tide chamber lower extreme, hydroelectric generator lower extreme rotates and is equipped with and passes the water and electricity axle of testing the tide case, the fixed water and electricity gear that is equipped with of water and electricity axle lower extreme, the water and electricity gear can with impeller gear engagement, the wind-driven generator upper end is rotated and is equipped with and passes the wind-powered electricity axle of testing the tide case, the wind-powered electricity epaxial end is fixed and is equipped with the wind-powered electricity wheel, the wind-powered electricity epaxial side test the fixed photovoltaic.
Further, it tests the tide record appearance to test fixed being equipped with on the wall of tide chamber right side, it rotates and is equipped with and tests the tide axle to test tide record appearance left end, it is fixed to be equipped with and tests the tide wheel to test tide axle left end, it rotates and is equipped with and tests the tide rope to test tide wheel upper end, it is fixed to be equipped with the float to test tide rope front side rope lower extreme, the fixed test probe that is equipped with of float lower extreme, it is fixed and is equipped with the balancing piece to test tide rope rear side rope lower extreme.
Further, four fixing supports which are uniformly distributed are fixedly arranged at the lower end of the moisture testing well, an anti-collision mechanism is arranged on each fixing support, a first cushioning sliding groove is formed in the upper end of each fixing support, an anti-collision sliding block is arranged in the first cushioning sliding groove in a sliding manner, a fourth spring is connected between the inner side end wall of each anti-collision sliding block and the inner side end wall of each first cushioning sliding groove, a second cushioning sliding groove is formed in the outer end of each anti-collision sliding block, vertically symmetrical cushioning sliding blocks are arranged in the second cushioning sliding grooves in a sliding manner, a fifth spring is connected between each cushioning sliding block and the end wall of each second cushioning sliding groove, a third hinge shaft is fixedly arranged on each cushioning sliding block, four first fixing blocks which are uniformly distributed are fixedly arranged on the outer end wall of the moisture testing box, a first hinge shaft is fixedly arranged on each first fixing block, a first connecting rod is hinged on each first hinge shaft, and the lower end, the anti-collision device is characterized in that a first sliding block is arranged in the sliding mode, a first spring is connected between the upper end wall and the upper end wall, an anti-collision rod is fixedly arranged on the first sliding block, a buffering connecting block is fixedly arranged on the inner end wall of the lower side of the anti-collision rod, a fourth hinged shaft which is vertically symmetrical is fixedly arranged on the buffering connecting block, and a second connecting rod is hinged between the fourth hinged shaft and the third hinged shaft.
The invention has the beneficial effects that: the self-cleaning device has a simple structure, does not need manual maintenance at ordinary times, can fully utilize natural resources to generate electricity, does not need to erect a pipeline, can detect tide only by erecting the device in a target sea area, transmits detection data back to a base station in a wireless mode, can avoid the influence of marine organisms and the like attached to the inner wall of the pipeline on the normal work of the floater, effectively protects a relatively fragile impeller structure and a device body by an anti-collision mechanism, can independently and efficiently complete tide detection work offshore, and has higher integration degree.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1;
FIG. 3 is an enlarged schematic view of A in FIG. 2;
FIG. 4 is an enlarged schematic view of B of FIG. 2;
fig. 5 is an enlarged schematic view of the structure C in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The new energy anti-collision self-cleaning tide gauge comprises a tide gauge well 10, wherein the tide gauge well 10 comprises a water level cavity 24, a tide gauge cavity 27 and a cleaning cavity 58, the water level cavity 24 is internally provided with a tide gauge mechanism 70, the cleaning cavity 58 is internally provided with a self-cleaning mechanism 90, the lower sides of the left end and the right end of the cleaning cavity 58 are fixedly provided with a second articulated shaft 48, the second articulated shaft 48 is articulated with a baffle 47, a plurality of water inlet and outlet holes 14 penetrating through the tide gauge well 10 are uniformly distributed on the outer wall of the cleaning cavity 58 above the baffle 47, a third fixed block 52 is fixedly arranged above the water inlet and outlet holes 14, sliding rod holes 54 penetrating through the tide gauge well 10 and the third fixed block 52 are symmetrically arranged on the outer wall of the cleaning cavity 58 above the water inlet and outlet holes 14, a sliding rod 53 is slidably arranged in the sliding rod hole 54, a cleaning movable block 50 is fixedly arranged in the cleaning cavity 58 in the sliding rod 53, a plurality of through hole rods 49 which are in one-to-one correspondence with the water inlet and outlet holes 14 are fixedly arranged at the outer end of the cleaning movable block 50, a plurality of second springs 51 which are symmetrical left and right are connected between the cleaning movable block 50 and the inner end arm of the tide checking well 10, a third spring 55 which is symmetrical left and right is fixedly arranged at the upper end of the third fixed block 52, a reaction block 57 is fixedly arranged at the upper end of the third spring 55, the lower end of the reaction block 57 is fixedly provided with a trapezoidal protruding plate 56, the upper end of the tide checking cavity 27 is fixedly provided with a wind driven generator 33, a second fixed block 37 and a motor 39 from left to right in sequence, the left end of the motor 39 is rotatably provided with a cleaning shaft 38 penetrating through the second fixed block 37, two cleaning rope wheels 34 which are symmetrical left and right are fixed on the cleaning shaft 38, a cleaning weight 46 is arranged between the inner end walls of the water level cavity 24 in a sliding way, the cleaning weight 46 is connected with the cleaning rope wheel 34 by the cleaning ropes 36 which are symmetrical left and right.
It is equipped with impeller 15 to test 10 outside rotations of tide well, the fixed impeller gear 16 that is equipped with in impeller 15 upper end sleeve top, it from left to right fixes being equipped with battery 32, hydroelectric generator 44 in proper order to test 27 lower extremes in tide chamber, hydroelectric generator 44 lower extreme rotates and is equipped with and passes test the water and electricity axle 22 of tide case 18, the fixed hydroelectric gear 23 that is equipped with of 22 lower extremes of water and electricity axle, hydroelectric gear 23 can with impeller gear 16 meshes, 33 upper ends of aerogenerator rotate and are equipped with and pass test the wind-powered electricity axle 19 of tide case 18, 19 upper ends of wind-powered electricity axle are fixed and are equipped with wind-powered electricity wheel 20, 19 right sides of wind-powered electricity axle test 18 upper end wall and fix and are equipped with photovoltaic board 21.
It tests tide record appearance 42 to test fixed being equipped with on 27 right side end walls of tide chamber, it rotates and is equipped with and tests tide axle 41 to test tide record appearance 42 left end, it is fixed to be equipped with and tests tide wheel 40 to test tide axle 41 left end, it rotates and is equipped with and tests tide rope 43 to test tide wheel 40 upper end, it is fixed to be equipped with float 26 to test tide rope 43 front side rope lower extreme, the fixed detecting probe 25 that is equipped with of float 26 lower extreme, it is fixed and is equipped with balancing piece 45 to test tide rope 43 rear side rope lower extreme.
The lower end of the tide checking well 10 is fixedly provided with four fixing supports 11 which are uniformly distributed, each fixing support 11 is provided with an anti-collision mechanism 80, the upper end of each fixing support 11 is provided with a first cushioning sliding chute 59, an anti-collision slider 12 is arranged in each first cushioning sliding chute 59 in a sliding manner, a fourth spring 60 is connected between the inner side end wall of each anti-collision slider 12 and the inner side end wall of each first cushioning sliding chute 59, the outer end of each anti-collision slider 12 is provided with a second cushioning sliding chute 61, each second cushioning sliding chute 61 is internally provided with a vertically symmetrical cushioning slider 63 in a sliding manner, a fifth spring 62 is connected between each cushioning slider 63 and the end wall of each second cushioning sliding chute 61, each cushioning slider 63 is fixedly provided with a third hinge shaft 65, the outer end wall of the tide checking box 18 is fixedly provided with four first fixing blocks 31 which are uniformly distributed, and each first fixing block 31 is fixedly provided with a first hinge shaft 30, first articulated shaft 30 is gone up the articulated first connecting rod 17 that is equipped with, first connecting rod 17 lower extreme is equipped with 69, it is equipped with first slider 28 to slide in 69, first slider 28 upper end with it is equipped with first spring 29 to connect between the 69 upper end wall, the fixed crash bar 13 that is equipped with on the first slider 28, the fixed bradyseism connecting block 68 that is equipped with on the end wall in the crash bar 13 downside, the fixed fourth articulated shaft 67 that is equipped with longitudinal symmetry on the bradyseism connecting block 68, fourth articulated shaft 67 with it is equipped with second connecting rod 66 to articulate between the third articulated shaft 65.
The working state is as follows: when the tide water rises and falls, rivers promote impeller 15 rotates, impeller 15 rotates and drives water and electricity gear 23 rotates, water and electricity gear 23 rotates and drives water and electricity axle 22 rotates, water and electricity axle 22 rotates and makes water and electricity generator 44 generates electricity, water and electricity generator 44 generates electricity and gives battery 32 charges, and the sea wind blows wind wheel 20 rotates, wind wheel 20 rotates and drives wind shaft 19 rotates, wind shaft 19 rotates and makes wind power generator 33 gives battery 32 charges, and sunshine shines photovoltaic board 21 gives battery 32 charges, and the energy is self-sufficient.
During tide rising, seawater enters the water level cavity 24 from the water inlet and outlet hole 14, the rising water level enables the floater 26 to float upwards, the detection probe 25 measures data such as water temperature under the water surface, the floater 26 floats upwards to enable the balance weight 45 to move downwards under the action of gravity, the balance weight 45 moves downwards to drive the tide checking rope 43 to rotate, the tide checking rope 43 rotates to drive the tide checking wheel 40 to rotate, the tide checking wheel 40 rotates to drive the tide checking shaft 41 to rotate, and the tide checking recorder 42 records the rotation of the tide checking shaft 41 as water level change record.
When cleaning is needed, the motor 39 is started to drive the cleaning shaft 38 to rotate, the cleaning shaft 38 rotates to drive the cleaning rope wheel 34 to rotate, the cleaning rope wheel 34 rotates to release the cleaning rope 36 downwards, the cleaning rope 36 releases downwards so that the cleaning weight 46 slides downwards along the inner wall of the water level cavity 24, the cleaning weight 46 slides downwards to scrape off attachments on the inner wall of the water level cavity 24, the cleaning weight 46 slides downwards until the reaction block 57 is pressed to move downwards, the reaction block 57 moves downwards to drive the trapezoidal protruding plate 56 to move downwards, the trapezoidal protruding plate 56 moves downwards to drive the cleaning movable block 50 to move outwards, and the cleaning movable block 50 moves outwards to drive the through hole rod 49 to pass through the water inlet and outlet hole 14, and (3) removing attachments in the water inlet and outlet holes 14, moving the lower end of the cleaning movable block 50 outwards to push sediment deposited at the bottom and the dropped attachments to move outwards, and moving the sediment and the dropped attachments outwards to push the baffle plate 47 to rotate and then discharge the sediment and the dropped attachments from the device.
When this device is strikeed to ship or other floater accident, crash bar 13 atress is to the inboard removal, crash bar 13 moves the drive to the inboard survey first slider 28 along 69 remove, first slider 28 moves the drive first connecting rod 17 rotates, crash bar 13 moves the drive to the inboard bradyseism connecting block 68 is to the inboard removal, bradyseism connecting block 68 moves the drive to the inboard second connecting rod 66 rotates, second connecting rod 66 rotates the promotion bradyseism slider 63 along second bradyseism spout 61 slides to the outside, second connecting rod 66 rotates the promotion crashproof slider 12 along first bradyseism spout 59 is to the inboard slip, absorbs the energy of striking through the bradyseism, and the protection device body does not receive the striking destruction.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a new forms of energy anticollision automatically cleaning tide gauge, includes the tide well, its characterized in that: the tide checking well comprises a water level cavity, a tide checking cavity and a cleaning cavity; a tide checking mechanism is arranged in the water level cavity, a self-cleaning mechanism is arranged in the cleaning cavity, a second articulated shaft is fixedly arranged at the lower side of the left end and the right end of the cleaning cavity, a baffle is articulated on the second articulated shaft, a plurality of water inlet and outlet holes which penetrate through the tide checking well are uniformly distributed on the outer wall of the cleaning cavity above the baffle, a third fixed block is fixedly arranged above the water inlet and outlet holes, sliding rod holes which penetrate through the tide checking well and the third fixed block and are bilaterally symmetrical are arranged on the outer wall of the cleaning cavity above the water inlet and outlet holes, sliding rods are arranged in the sliding rod holes in a sliding manner, a cleaning movable block is fixedly arranged in the cleaning cavity, a plurality of through hole rods which are in one-to-one correspondence with the water inlet and outlet holes are fixedly arranged at the outer end of the cleaning movable block, a plurality of bilaterally symmetrical second, the fixed third spring that is equipped with bilateral symmetry in third fixed block upper end, the fixed reaction piece that is equipped with in third spring upper end, the fixed trapezoidal suddenly board that is equipped with of reaction piece lower extreme, it from left to right fixes aerogenerator, second fixed block, motor in proper order to test tide chamber upper end, the motor left end rotates and is equipped with and runs through the clean axle of second fixed block, clean epaxial fixed two clean rope wheels that are equipped with bilateral symmetry, it is equipped with clean pouring weight to slide between the inner wall in water level chamber, clean pouring weight with connect the clean rope that is equipped with bilateral symmetry between the clean rope wheel.
2. The new energy anti-collision self-cleaning tide gauge according to claim 1, characterized in that: it is equipped with the impeller to test the tide well outside rotation, the fixed impeller gear that is equipped with in impeller upper end sleeve top, it from left to right fixes in proper order and is equipped with battery, hydroelectric generator to test tide chamber lower extreme, hydroelectric generator lower extreme rotates and is equipped with the water and electricity axle of passing test the tide case, the fixed hydroelectric gear that is equipped with of water and electricity axle lower extreme, hydroelectric gear can with impeller gear engagement, the wind-driven generator upper end is rotated and is equipped with the pass test the wind-powered electricity axle of tide case, the fixed wind-powered electricity wheel that is equipped with in wind-powered electricity axle upper end, the wind-powered electricity axle right side test the fixed photovoltaic board that is equipped with.
3. The new energy anti-collision self-cleaning tide gauge according to claim 1, characterized in that: it tests the tide record appearance to test fixed being equipped with on the wall of tide chamber right side, it rotates and is equipped with and tests the tide axle to test tide record appearance left end, it tests the tide wheel to test the fixed tide wheel that is equipped with in tide axle left end, it rotates and is equipped with and tests the tide rope to test tide wheel upper end, it is fixed and is equipped with the float to test tide rope front side rope lower extreme, the fixed test probe that is equipped with of float lower extreme, it is fixed and is equipped with the balancing piece to test tide rope rear side rope lower extreme.
4. The new energy anti-collision self-cleaning tide gauge according to claim 1, characterized in that: the lower end of the moisture testing well is fixedly provided with four fixing supports which are uniformly distributed, each fixing support is provided with an anti-collision mechanism, the upper end of each fixing support is provided with a first cushioning sliding groove, each first cushioning sliding groove is internally provided with an anti-collision sliding block in a sliding manner, a fourth spring is connected between the inner side end wall of each anti-collision sliding block and the inner side end wall of each first cushioning sliding groove, the outer end of each anti-collision sliding block is provided with a second cushioning sliding groove, each second cushioning sliding groove is internally provided with vertically symmetrical cushioning sliding blocks in a sliding manner, a fifth spring is connected between each cushioning sliding block and the end wall of each second cushioning sliding groove, each cushioning sliding block is fixedly provided with a third hinge shaft, the outer end wall of the moisture testing box is fixedly provided with four first fixing blocks which are uniformly distributed, each first fixing block is fixedly provided with a first hinge shaft, each first hinge shaft is hinged with a first connecting rod, the anti-collision device is characterized in that a first sliding block is arranged in the sliding mode, a first spring is connected between the upper end wall and the upper end wall, an anti-collision rod is fixedly arranged on the first sliding block, a buffering connecting block is fixedly arranged on the inner end wall of the lower side of the anti-collision rod, a fourth hinged shaft which is vertically symmetrical is fixedly arranged on the buffering connecting block, and a second connecting rod is hinged between the fourth hinged shaft and the third hinged shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010859495.9A CN111947742A (en) | 2020-08-24 | 2020-08-24 | New forms of energy anticollision automatically cleaning tide gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010859495.9A CN111947742A (en) | 2020-08-24 | 2020-08-24 | New forms of energy anticollision automatically cleaning tide gauge |
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| Publication Number | Publication Date |
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| CN111947742A true CN111947742A (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010859495.9A Withdrawn CN111947742A (en) | 2020-08-24 | 2020-08-24 | New forms of energy anticollision automatically cleaning tide gauge |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551727A (en) * | 2021-07-27 | 2021-10-26 | 南京南瑞水利水电科技有限公司 | Rotary barrel type dam seepage flow instrument and control method thereof |
| CN114383685A (en) * | 2022-01-19 | 2022-04-22 | 秦皇岛华勘地质工程有限公司 | From electricity generation formula wireless transmission tide level appearance |
| CN114582106A (en) * | 2022-03-02 | 2022-06-03 | 河南工程学院 | Water prevention and control early warning equipment under mine |
-
2020
- 2020-08-24 CN CN202010859495.9A patent/CN111947742A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551727A (en) * | 2021-07-27 | 2021-10-26 | 南京南瑞水利水电科技有限公司 | Rotary barrel type dam seepage flow instrument and control method thereof |
| CN114383685A (en) * | 2022-01-19 | 2022-04-22 | 秦皇岛华勘地质工程有限公司 | From electricity generation formula wireless transmission tide level appearance |
| CN114383685B (en) * | 2022-01-19 | 2024-05-14 | 秦皇岛华勘地质工程有限公司 | From power generation formula wireless transmission tide level appearance |
| CN114582106A (en) * | 2022-03-02 | 2022-06-03 | 河南工程学院 | Water prevention and control early warning equipment under mine |
| CN114582106B (en) * | 2022-03-02 | 2023-05-16 | 河南工程学院 | Underground water control early warning equipment |
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Effective date of registration: 20201209 Address after: Office building 1-0306, building C, Datong Ecological Industrial Park, No. 268, Liangdao Road, Baguazhou street, Qixia District, Nanjing City, Jiangsu Province Applicant after: Nanjing Jiuchang Intelligent Technology Co., Ltd Address before: Unit 301, unit 4, building 1, No.12 Xingguo Road, Licang District, Qingdao City, Shandong Province 266021 Applicant before: Qingdao Jiubao energy equipment Technology Co.,Ltd. |
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