CN113063477B - Dykes and dams water level detection alarm device - Google Patents
Dykes and dams water level detection alarm device Download PDFInfo
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- CN113063477B CN113063477B CN202110329602.1A CN202110329602A CN113063477B CN 113063477 B CN113063477 B CN 113063477B CN 202110329602 A CN202110329602 A CN 202110329602A CN 113063477 B CN113063477 B CN 113063477B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/32—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 rotatable arms or other pivotable transmission elements
- G01F23/34—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 rotatable arms or other pivotable transmission elements using mechanically actuated indicating means
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a dam water level detection alarm device, which comprises a support frame, a measuring mechanism, a rotating mechanism and an alarm mechanism, wherein the measuring mechanism is used for driving a bevel gear to rotate according to the change of dam water level by a floating block, the rotating mechanism drives a bevel rack to slide by rotating a rotating rod and meshing a gear, scales are arranged behind the bevel rack, the upper side numerical value is positive, the lower side numerical value is negative, the water level height is obtained by subtracting the original numerical value from the displayed numerical value and taking an absolute value, the result is the water level change height, the alarm mechanism drives a shifting block to rotate by meshing the gear, a sliding block slides in a sliding block slideway and drives an alarm shifting lever to rotate and drive a swinging block to periodically swing, and when the swinging block contacts with two sides of an alarm mounting frame, a knocking sound is emitted to alarm.
Description
Technical Field
The invention relates to the technical field of water level detection, in particular to a dam water level detection alarm device.
Background
In order to develop and utilize river hydraulic resources, dams are built on riverways, dams for controlling and controlling water flow are built according to relevant national regulations, and are arranged at reasonable positions and are matched and coordinated with one another, so that an organic complex consisting of hydraulic and water conservancy tasks is realized, the water level change of the dams has important influence on the life of people, when flood characteristics at different periods in a flood season are obviously different, different flood control water level limiting can be adopted by stages, when the water level changes, an alarm device is required, the water level change value can be measured, manual detection is usually adopted in the flood season, manpower is wasted, therefore, a water level detection alarm device is urgently needed, a dam 6102049010 provides a dam water level monitoring device, although the dam water level monitoring device can detect the water level, the alarm cannot alarm, the monitored water needs to be pumped out again, the structure is complex, and the dam water level monitoring device is inconvenient to use.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device capable of automatically measuring the water level change value and giving an alarm aiming at the defects in the prior art, and overcoming the defects that manual monitoring is still needed in the prior art and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a dykes and dams water level detection alarm device, includes support frame, measuring mechanism, slewing mechanism, alarm mechanism. Measuring mechanism, slewing mechanism, alarm mechanism are all fixed the setting on the support frame, measuring mechanism and slewing mechanism fixed connection, slewing mechanism passes through gear engagement with alarm mechanism and is connected, measuring mechanism includes kicking block, the vice bull stick of front side, the vice bull stick one end of front side is rotated and is connected with the main bull stick other end of measurement and rotates and be connected with the triangle bull stick, measures main bull stick one end and rotates and install other end fixed mounting on the support frame on the kicking block, be provided with alarm mounting bracket and pendulum piece in the alarm mechanism, the kicking block drives slewing mechanism through floating and rotates to make the pendulum piece swing on the alarm mechanism.
Furthermore, the support frame is connected with a main rotating shaft in a rotating mode, the main rotating shaft is connected with the triangular rotating rod in a rotating mode, and a rotating device is arranged on the main rotating shaft.
Furthermore, the rotating device comprises a front shifting lever rotatably mounted on the triangular rotating rod and a front blocking lever rotatably mounted on the triangular rotating rod, the lower plane of the front blocking lever contacts with the front shifting lever, a front bevel gear and a rear bevel gear are fixedly connected to the main rotating shaft, a rear auxiliary rotating lever is rotatably connected to the main rotating rod, a rear auxiliary rotating lever shaft is rotatably connected with the double rotating levers, the double rotating levers are rotatably connected with the main rotating shaft, a rear shifting lever is rotatably connected to the double rotating levers, and the bottom surface of the rear shifting lever contacts with the gear of the rear bevel gear in the non-working state.
Further, slewing mechanism is including fixed the setting rotation mounting bracket on the support frame, fixedly connected with driving gear in the main pivot, it is connected with drive gear axle to rotate on the support frame, the epaxial fixedly connected with drive gear of drive gear, drive gear with the driving gear becomes the gear cooperation, drive gear axle and rotation connecting axle fixed connection, it is connected with linear motion device to rotate the connecting axle, linear motion device passes through the gear train and is connected with water level device.
Further, the linear motion device include with rotate the connecting axle and rotate the little slider of connection, the slide rail is equipped with the groove, little slider slides in the slide rail inslot, fixedly connected with rack on the slide rail, rack and rack slide rail sliding connection, the gear train include with the rack becomes rack and pinion complex drive gear, it installs initiative conical gear to rotate the mounting bracket rotation, drive gear passes through initiative conical gear axle fixed connection with initiative conical gear, initiative conical gear becomes gear fit with transmission conical gear, is fixed with water level device on the transmission conical gear.
Further, the water level device is fixedly connected to a transmission bevel gear shaft on the transmission bevel gear, a bevel gear is fixed on the transmission bevel gear shaft, the bevel gear and a bevel rack form a gear rack fit, a bevel rack mounting frame is further fixed on the rotation mounting frame, the bevel rack mounting frame is in sliding connection with the bevel rack, a bevel gear shaft mounting frame is fixedly arranged on the rotation mounting frame, and the transmission bevel gear shaft is rotatably mounted on the bevel gear shaft mounting frame.
Furthermore, scales are arranged behind the helical rack, the upper side numerical value is positive, the lower side numerical value is negative, the water level height is obtained by subtracting the original numerical value from the displayed numerical value, and the absolute value is obtained, so that the water level change height is obtained.
Further, the alarm mechanism comprises a slider slide fixedly arranged on the rotating mechanism, the slider slide is rotatably connected with a conical gear shaft, a driving conical gear and a shifting block are fixed on the conical gear shaft, a driving source for driving the conical gear is arranged on the rotating mechanism, a slider is slidably connected on the slider slide, the slider slide is fixedly connected with an alarm mounting frame, the alarm mounting frame is rotatably connected with an alarm rotating rod shaft, an alarm rotating rod is fixed on the alarm rotating rod shaft, an upper moving block is fixed on the alarm rotating rod shaft, an upper cylinder is fixed on the upper moving block, the alarm mounting frame is rotatably connected with a moving block connecting shaft, a lower moving block is fixedly connected on the moving block connecting shaft, a lower cylinder is fixedly connected on the lower moving block, the upper cylinder and the lower cylinder are respectively slidably connected with two ends of the connecting shaft, and a swinging block is fixedly connected on the moving block connecting shaft.
Further, be equipped with the recess on the slider slide, slider slide and slider all are equipped with two, drive conical gear is in slide in the slider slide recess, the shifting block is equipped with the push rod, and the shifting block push rod rotates and drives the slider and slide in slider slide recess, the pendulum block lower extreme is the alloy disc, alarm mounting bracket both sides are the alloy baffle, work as when the pendulum block rotated alarm mounting bracket both sides, can send and strike the sound, be convenient for send out the police dispatch newspaper.
Furthermore, the floating block is made of hollow plastics.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention is provided with the floating block, the gear can be driven to change through the change of the floating block, the bevel gear is driven to slide up and down, and the water level change is visually displayed on the bevel gear;
(2) According to the invention, the alarm mounting rack is impacted by the periodic swinging of the swinging block to give out a sound for alarming;
(3) The device can remove the manpower from by automatic monitoring, simple structure, facilitate promotion.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the measuring mechanism of the present invention.
Fig. 3 and 4 are schematic structural views of the rotating mechanism of the invention.
Fig. 5, 6 and 7 are schematic structural views of the alarm mechanism of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and illustrative embodiments, which are provided herein for the purpose of illustrating the invention and are not to be construed as limiting the invention. In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, the dam water level detection alarm device comprises a support frame 1, a measuring mechanism 2, a rotating mechanism 3, and an alarm mechanism 4, wherein the measuring mechanism 2, the rotating mechanism 3, and the alarm mechanism 4 are all fixedly arranged on the support frame 1, the measuring mechanism 2 is fixedly connected with the rotating mechanism 3, the rotating mechanism 3 is connected with the alarm mechanism 4 through a gear transmission, the measuring mechanism 2 comprises a floating block 202 for dynamically measuring the water level, the floating block 202 floats and is transmitted to a swing block 415 of the alarm mechanism 4 through the rotating mechanism 3 so as to swing the swing block 415, and an alarm mounting frame 406 is fixedly arranged on the alarm mechanism 4 so as to enable the swing block 415 to swing and strike two sides of the alarm mounting frame 406 to give an alarm.
As shown in fig. 2, in the measuring mechanism 2, one end of the main rotating rod 201 is rotatably connected to the support frame 1, the floating block 202 is fixedly connected to the other end of the main rotating rod 201, one end of the front side auxiliary rotating rod 203 is rotatably connected to the main rotating rod 201, the other end of the front side auxiliary rotating rod 203 is rotatably connected to the triangular rotating rod 204, the main rotating shaft 205 is rotatably connected to the support frame 1, the main rotating shaft 205 is rotatably connected to the triangular rotating rod 204, a rotating device is arranged on the main rotating shaft 205, the rotating device comprises a front side shifting rod 206 rotatably mounted on the triangular rotating rod 204 and a front side blocking rod 207 rotatably mounted on the triangular rotating rod 204, the lower plane of the front side blocking rod 207 is in contact with the front side shifting rod 206, a front side bevel gear 208 and a rear side bevel gear 209 are fixedly connected to the main rotating shaft 205, a rear side auxiliary rotating rod 212 is further rotatably connected to the main rotating rod, the rear side auxiliary rotating rod 212 is rotatably connected to the double rotating rod 210, the double rotating rod 210 is rotatably connected to the rear side shifting rod 211, the rear side shifting rod 211 is further rotatably connected to the rear side shifting rod 211 in a non-working state, the bottom surface of the floating block 202 is easily changed with the plastic material of the floating block 202. When the water level of the dam rises, the floating block 202 rotates upwards to drive the main rotating rod 201 for measurement to rotate, the front side auxiliary rotating rod 203 drives the triangular rotating rod 204 to rotate, the front side shifting rod 206 moves downwards to drive the front side bevel gear 208 to rotate and drive, and the main rotating rod 201 for measurement rotates to drive the rear side auxiliary rotating rod 212 to rotate, the rear side shifting rod 211 is driven to rotate downwards to drive the rear side bevel gear 209 to rotate, and the main rotating shaft 205 is driven to rotate.
As shown in fig. 3 and 4, the rotating mechanism 3 includes a rotating mounting frame 317 fixedly disposed on the support frame 1, a driving gear 301 is fixedly connected to the driving shaft 205, a driving gear shaft 302 is rotatably connected to the support frame 1, a driving gear 303 is fixedly connected to the driving gear shaft 302, the driving gear 303 is in gear fit with the driving gear 301, the driving gear shaft 302 is fixedly connected to a rotating connecting shaft 304, the rotating connecting shaft 304 is connected to a linear motion device, the linear motion device is connected to a water level device through a gear set, the linear motion device includes a small slider 305 rotatably connected to the rotating connecting shaft 304, a sliding rail 306 is provided with a groove, the small slider 305 slides in the groove of the sliding rail 306, a rack 307 is fixedly connected to the sliding rail 306, the rack 307 is slidably connected to a rack sliding rail 308, the gear set includes a transmission gear 309 in gear-rack fit with the rack 307, a driving bevel gear 311 is rotatably installed on a rotary installation frame 317, a transmission gear 309 is fixedly connected with the driving bevel gear 311 through a driving bevel gear shaft 310, the driving bevel gear 311 is in gear fit with a transmission bevel gear 313, a water level device is fixed on the transmission bevel gear 313 and is a transmission bevel gear shaft 312 fixedly connected on the transmission bevel gear 313, a helical gear 314 is fixed on the transmission bevel gear shaft 312, the helical gear 314 is in gear rack fit with a helical rack 315, a helical rack installation frame 316 is also fixed on the rotary installation frame 317, the helical rack installation frame 316 is in sliding connection with the helical rack 315, a bevel gear shaft installation frame is fixedly arranged on the rotary installation frame 317, a transmission bevel gear shaft 312 is rotatably installed on the bevel gear shaft installation frame 318, scales are arranged behind the helical rack 315, the upper side numerical value is positive, the lower side numerical value is negative, and the water level height is obtained by subtracting the original numerical value from the display numerical value, and taking the absolute value, and obtaining the result as the water level change height. The main rotating shaft 205 rotates through gear transmission, drives the rotating connecting shaft 304 to rotate, drives the sliding rail 306 to move left and right, drives the rack 307 to move left and right, drives the driving bevel gear 311 to rotate through gear transmission, simultaneously drives the transmission bevel gear 313 to rotate, drives the transmission bevel gear shaft 312 to rotate through the rotation of the transmission bevel gear 313, drives the bevel gear 314 to rotate, drives the bevel gear rack 315 to slide up and down, and the absolute value of the numerical difference is the water level change.
As shown in fig. 5, 6, and 7, the alarm mechanism 4 includes a slider slide 401 fixedly disposed on the rotation mechanism 3, the slider slide 401 is rotatably connected to a conical gear shaft 404, a driving conical gear 402 and a dial 403 are fixed on the conical gear shaft 404, a driving source for driving the conical gear 402 is disposed on the rotation mechanism 3, the driving conical gear 402 is in gear engagement with the driving conical gear 311, a slider 405 is slidably connected to the slider slide 401, the slider slide 401 is fixedly connected to the alarm mounting rack 406, an alarm rotating rod 408 is rotatably connected to the alarm mounting rack 406, an alarm rotating rod 407 is fixed to the alarm rotating rod 408, an upper moving block 409 is fixed to the alarm rotating rod 408, an upper cylinder 410 is fixed to the upper moving block 409, the alarm mounting rack 406 is rotatably connected to a moving block connecting shaft 414, a lower moving block 413 is fixedly connected to the moving block connecting shaft 414, a lower cylinder 412 is fixedly connected to the lower moving block 413 is fixed to the lower moving block 413, the upper cylinder 410 and the lower cylinder 412 are respectively slidably connected to two ends of the connecting shaft 411, a swing block 415 is fixedly connected to the connecting shaft 414, a slider slide 401 and a slider 415 is disposed on two sides of the slider slide 401 and a slider 405, when the slider is slidably mounted on two sides of the alloy sliding rod 405, the alloy sliding rack 405, and the slider slide 405, and the alarm sliding block is a shock baffle 401 is convenient for generating an alarm sliding block 405. The driving bevel gear 311 rotates to drive the driving bevel gear 402 to rotate, the driving bevel gear 402 rotates to drive the bevel gear shaft 404 to rotate, the driving bevel gear shaft 404 periodically rotates to drive the sliders 405 on two sides to periodically slide to drive the alarm rotating rod 407 to periodically swing, the alarm rotating rod shaft 408 drives the upper moving block 409 to periodically swing, the connecting shaft 411 drives the lower moving block 413 to periodically swing, the moving block connecting shaft 414 drives the swing block 415 to periodically swing, when the disc under the swing block 415 swings to two sides of the alarm mounting rack 406, a knocking sound is given out to give an alarm, otherwise, when the water level descends, the knocking sound is given out to give an alarm.
It should be understood that the above embodiments are only for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and substitutions are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (7)
1. The utility model provides a dykes and dams water level detection alarm device, includes support frame, measuring mechanism, slewing mechanism, alarm mechanism, its characterized in that: the measuring mechanism, the rotating mechanism and the alarm mechanism are all fixedly arranged on the support frame, the measuring mechanism is fixedly connected with the rotating mechanism, the rotating mechanism is connected with the alarm mechanism through gear engagement, the measuring mechanism comprises a floating block and a front side auxiliary rotating rod, one end of the front side auxiliary rotating rod is rotatably connected with a measuring main rotating rod, the other end of the front side auxiliary rotating rod is rotatably connected with a triangular rotating rod, one end of the measuring main rotating rod is rotatably arranged on the support frame, the other end of the measuring main rotating rod is fixedly arranged on the floating block, an alarm mounting frame and a swinging block are arranged on the alarm mechanism, and the floating block drives the rotating mechanism to rotate through floating so as to enable the swinging block on the alarm mechanism to swing;
the supporting frame is rotatably connected with a main rotating shaft, the main rotating shaft is rotatably connected with the triangular rotating rod, and a rotating device is arranged on the main rotating shaft;
the rotating device comprises a front side shifting rod rotatably mounted on the triangular rotating rod and a front side blocking rod rotatably mounted on the triangular rotating rod, the lower plane of the front side blocking rod is contacted with the front side shifting rod, a front side bevel gear and a rear side bevel gear are fixedly connected to the main rotating shaft, a rear side auxiliary rotating rod is further rotatably connected to the main rotating rod, a rear side auxiliary rotating rod shaft is rotatably connected with the double rotating rods, the double rotating rods are rotatably connected with the main rotating shaft, the rear side shifting rod is further rotatably connected to the double rotating rods, and the bottom surface of the rear side shifting rod is contacted with the rear side bevel gear in a non-working state;
the rotating mechanism comprises a rotating mounting frame fixedly arranged on the support frame, a driving gear is fixedly connected to the main rotating shaft, a driving gear shaft is rotatably connected to the support frame, a driving gear is fixedly connected to the driving gear shaft, the driving gear and the driving gear are in gear fit, the driving gear shaft is fixedly connected with a rotating connecting shaft, the rotating connecting shaft is connected with the linear motion device, and the linear motion device is connected with the water level device through a gear set.
2. A dam water level detection alarm device as claimed in claim 1, wherein: the linear motion device include with rotate the connecting axle and rotate the little slider of connection, the slide rail is equipped with the groove, little slider slides in the slide rail inslot, fixedly connected with rack on the slide rail, rack and rack slide rail sliding connection, the gear train include with the rack becomes rack and pinion complex drive gear, it installs initiative conical gear to rotate the mounting bracket, drive gear passes through initiative conical gear axle fixed connection with initiative conical gear, initiative conical gear becomes gear cooperation with transmission conical gear, is fixed with water level device on the transmission conical gear.
3. A dam water level detection alarm device according to claim 2, wherein: the water level device is a transmission bevel gear shaft fixedly connected to the transmission bevel gear, a bevel gear is fixed to the transmission bevel gear shaft, the bevel gear and a bevel rack form a gear rack fit, a bevel rack mounting frame is further fixed to the rotation mounting frame, the bevel rack mounting frame is in sliding connection with the bevel rack, a bevel gear shaft mounting frame is fixedly arranged on the rotation mounting frame, and the transmission bevel gear shaft is rotatably mounted on the bevel gear shaft mounting frame.
4. A dam water level detection alarm device according to claim 3, wherein: scales are arranged behind the helical rack, the numerical value of the upper side is positive, the numerical value of the lower side is negative, the water level height is obtained by subtracting the original numerical value from the displayed numerical value, and the absolute value is taken, so that the water level change height is obtained.
5. A dam water level detection alarm device according to claim 1, wherein: the alarm mechanism comprises a slider slide rail fixedly arranged on the rotating mechanism, the slider slide rail is rotatably connected with a conical gear shaft, a driving conical gear and a shifting block are fixed on the conical gear shaft, a driving source for driving the conical gear is arranged on the rotating mechanism, a slider is slidably connected onto the slider slide rail, the slider slide rail is fixedly connected with an alarm mounting frame, an alarm rotating rod shaft is rotatably connected onto the alarm mounting frame, an alarm rotating rod is fixed onto the alarm rotating rod shaft, an upper moving block is fixed onto the alarm rotating rod shaft, an upper cylinder is fixed onto the upper moving block, the alarm mounting frame is rotatably connected with a moving block connecting shaft, a lower moving block is fixedly connected onto the moving block connecting shaft, a lower cylinder is fixedly connected onto the lower moving block, the upper cylinder and the lower cylinder are respectively slidably connected with two ends of the connecting shaft, and a swinging block is fixedly connected onto the moving block connecting shaft.
6. A dam water level detection alarm device according to claim 5, wherein: be equipped with the recess on the slider slide, slider slide and slider all are equipped with two, drive conical gear is in slide in the slider slide recess, the shifting block is equipped with the push rod, and the shifting block push rod rotates and drives the slider and slide in slider slide recess, the pendulum piece lower extreme is the alloy disc, alarm mounting bracket both sides are the alloy baffle, work as when the pendulum piece rotates alarm mounting bracket both sides, can send and strike the sound, are convenient for send out the police dispatch newspaper.
7. A dam water level detection alarm device according to any one of claims 1 to 6, wherein: the floating block is made of hollow plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110329602.1A CN113063477B (en) | 2021-03-26 | 2021-03-26 | Dykes and dams water level detection alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110329602.1A CN113063477B (en) | 2021-03-26 | 2021-03-26 | Dykes and dams water level detection alarm device |
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| CN113063477A CN113063477A (en) | 2021-07-02 |
| CN113063477B true CN113063477B (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110329602.1A Active CN113063477B (en) | 2021-03-26 | 2021-03-26 | Dykes and dams water level detection alarm device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113653005B (en) * | 2021-09-18 | 2022-07-08 | 湖南工程学院 | Dykes and dams disaster prevention and reduction device of automated inspection water level |
Citations (3)
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|---|---|---|---|---|
| CN109668606A (en) * | 2018-11-28 | 2019-04-23 | 郑州亨特利电子科技有限公司 | A kind of dedicated water level warning device of flood control |
| CN210487014U (en) * | 2019-06-25 | 2020-05-08 | 沈阳润泽水利工程有限公司 | Hydraulic engineering measuring device |
| CN212007434U (en) * | 2020-03-19 | 2020-11-24 | 梁成 | Water level monitoring device for hydraulic engineering |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10247589B2 (en) * | 2016-04-21 | 2019-04-02 | KSR IP Holdings, LLC | Fluid level monitor |
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|---|---|---|---|---|
| CN109668606A (en) * | 2018-11-28 | 2019-04-23 | 郑州亨特利电子科技有限公司 | A kind of dedicated water level warning device of flood control |
| CN210487014U (en) * | 2019-06-25 | 2020-05-08 | 沈阳润泽水利工程有限公司 | Hydraulic engineering measuring device |
| CN212007434U (en) * | 2020-03-19 | 2020-11-24 | 梁成 | Water level monitoring device for hydraulic engineering |
Non-Patent Citations (1)
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| 新型天车升沉补偿装置设计;徐涛等;《机械设计与研究》;20151020(第05期);134-137 * |
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Effective date of registration: 20221219 Address after: Room A505-460, Floor 5, Supporting Service Building, No. 8 Kesheng Road, Guangzhou Private Science and Technology Park, No. 1633, Beitai Road, Baiyun District, Guangzhou, Guangdong, 510000 Applicant after: Guangzhou Yuanfeng Intelligent Technology Co.,Ltd. Address before: 650400 Kanghua water company, industrial park, Fumin County, Kunming City, Yunnan Province Applicant before: Sun Yunjie |
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