CN212674509U - Underwater sludge sampling device with diving function - Google Patents
Underwater sludge sampling device with diving function Download PDFInfo
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- CN212674509U CN212674509U CN202021649500.5U CN202021649500U CN212674509U CN 212674509 U CN212674509 U CN 212674509U CN 202021649500 U CN202021649500 U CN 202021649500U CN 212674509 U CN212674509 U CN 212674509U
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- connecting rod
- sampling tube
- bin
- propeller
- waterproof
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- 238000005070 sampling Methods 0.000 title claims abstract description 98
- 239000010802 sludge Substances 0.000 title claims abstract description 64
- 230000009189 diving Effects 0.000 title claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 90
- 229910052742 iron Inorganic materials 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 230000033001 locomotion Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The invention discloses a submarine sludge sampling device with diving function, which comprises a device main body, a submergence device motor, a filtering device, a sludge sampling tube and a propeller, wherein a central storage column is arranged in the center of the interior of the device main body, a battery bin is arranged at the lower part of the central storage column, a submergence device motor bin is arranged above the battery bin, the submergence device motor is placed in the submergence device motor bin, a wire coil connecting rod is connected above the submergence device motor, and an iron cable wire coil is connected above the wire coil connecting rod. Thereby preventing the sludge from leaking out.
Description
Technical Field
The invention relates to the technical field of electronic components, in particular to a water bottom sludge sampling device with a diving function.
Background
The sludge is deposited in still water or slow flowing water environment, unconsolidated weak fine grains or extremely fine grains of soil are formed through physical chemical and biochemical actions, and the sludge of the polluted lake also contains quantitative pollutants, so that the reason for the pollution of the lake can be analyzed through the pollutants in the sludge in the lake.
The current sampling mode to submarine silt mainly comes to lake central authorities through taking the ship and carries out salvage sample to silt through traditional instrument, but salvage inefficiency, and the silt level after salvaging is chaotic moreover, can not carry out the analysis to the formation time of each layer silt of silt.
Disclosure of Invention
The invention aims to provide a water bottom sludge sampling device with a diving function, which aims to solve the problems that the prior sampling mode of the water bottom sludge in the background technology is mainly to salvage and sample the sludge by a traditional tool by taking a ship to the center of a lake, but the salvage efficiency is low, the layers of the salvaged sludge are disordered, and the formation time of each layer of the sludge cannot be analyzed.
In order to achieve the purpose, the invention provides the following technical scheme: a submarine sludge sampling device with diving function comprises a device main body, a submergence device motor, a filtering device, a sludge sampling tube and a propeller, wherein a central storage column is arranged in the center of the interior of the device main body, a battery bin is arranged at the lower part of the central storage column, a submergence device motor bin is arranged above the battery bin, the submergence device motor is placed in the submergence device motor bin, a wire coil connecting rod is connected above the submergence device motor, an iron cable wire coil is connected above the wire coil connecting rod, an iron cable is connected around the iron cable wire coil, the outer end of the iron cable is connected to an iron cable roller, an iron cable roller bin is arranged outside the iron cable roller, a connecting rod sliding bin is connected below the iron cable roller bin, a connecting rod spring is arranged above the interior of the connecting rod sliding bin, a waterproof plate connecting rod is connected below the connecting rod spring, a sliding bin outlet is arranged below the waterproof plate connecting rod, the bottom of the waterproof plate connecting rod is connected with a waterproof plate, a waterproof rubber ring is arranged around the waterproof plate, the filtering device is arranged at the bottom of the device main body, a filtering screen is arranged in the center of the filtering device, a cover plate bearing is arranged above the filtering device, a filtering screen cover plate is connected above the cover plate bearing, a limiting screw is arranged around the central storage column, the left side of the limiting screw is connected with a sampling tube fixing ring, the sludge sampling tube is arranged inside the sampling tube fixing ring, a baffle bearing is arranged on the inner side of the sludge sampling tube, a sampling tube baffle is connected on the left side of the baffle bearing, a driving device motor bin is arranged on the right side of the device main body, a driving device motor is arranged inside the coil connecting rod, a motor rotating shaft is arranged on the right side of the driving device motor, a, connecting rod fixing base is installed to screw connecting rod below, and installs the connecting rod base connecting rod fixing base below, the connecting rod spout has been seted up to connecting rod base top, the screw is installed in screw connecting rod right-hand member, and the screw outside has seted up screw storage compartment.
Preferably, the iron cable coil is in transmission with a submergence device motor through a coil connecting rod, and the iron cable coil and the coil connecting rod form a rotating structure on the central storage column.
Preferably, the waterproof board connecting rod forms a telescopic structure on the outlet of the sliding bin through an iron cable and a connecting rod spring, and the waterproof board connecting rod and the waterproof board are of an integrated structure.
Preferably, the waterproof board forms a sliding structure in the device main body through a waterproof board connecting rod, and the waterproof board and the waterproof rubber ring are of an integrated structure.
Preferably, the filter screen cover plate forms a rotating structure at the filtering device through a cover plate bearing, and the size of the central opening of the filter screen cover plate is the same as the size of the area of the filter screen.
Preferably, the sampling tube fixing ring forms a rotary telescopic structure on the limiting screw, and the limiting screw and the sampling tube fixing ring are of an integrated structure.
Preferably, the sampling tube baffle forms a rotating structure on the sludge sampling tube through a baffle bearing, and the area of the sampling tube baffle is larger than the inner cross-sectional area of the sludge sampling tube.
Preferably, the propeller connecting rod is of a telescopic structure, the transmission roller and the propeller connecting rod are of an integrated structure, and the propeller is of a transmission structure formed by the propeller connecting rod and the transmission roller.
Preferably, the connecting rod fixing seat forms a rotating structure on the connecting rod base through the connecting rod sliding groove, and the connecting rod fixing seat and the left end of the connecting rod base are of an integrated structure.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the silt sampling tube is arranged below the diving device, and the silt sampling tube can be inserted into silt through the pressure generated when the device main body sinks, so that the baffle plate of the sampling tube rotates upwards, the silt enters the sampling tube, and when the sampling tube ascends after the sampling is finished, the baffle plate of the sampling tube cannot rotate downwards due to the fact that the area of the baffle plate is larger than that of the sampling tube, so that the silt is prevented from leaking.
2. According to the invention, the connecting rod above the waterproof plate is controlled by the spring and the iron cable, and the length of the iron cable can be adjusted by rotating the iron cable coil, so that the height of the waterproof plate is adjusted, the water inflow in the device main body can be controlled, and the lifting of the device main body in water is completed.
3. According to the invention, the limit screw is additionally arranged on the sampling tube fixing ring of the sludge sampling tube, and the tightness and position of the sludge sampling tube on the sampling tube fixing ring can be adjusted by rotating the sampling tube fixing ring on the limit screw, so that sludge at different depths can be sampled.
4. According to the invention, the filter screen is additionally arranged at the water inlet at the bottom of the device main body, so that foreign matters or fishes can be prevented from entering the device in the diving process, and the detachable structure of the filter screen can ensure that the inside of the device is more convenient to clean.
5. According to the invention, the driving device is provided with the two propellers, and the two propellers can adjust the contact positions of the transmission roller and the motor rotating shaft through the extension and retraction of the propeller connecting rod, so that the rotating speeds of the two propellers are respectively controlled, and the movement and turning of the device main body can be realized through the difference of the rotating speeds of the two propellers.
Drawings
FIG. 1 is a schematic front view of a submersible sludge sampling apparatus with diving function according to the present invention;
FIG. 2 is a schematic view of a wire coil of the underwater sludge sampling device with diving function according to the present invention;
FIG. 3 is a schematic structural diagram of a filtering apparatus of a submersible sludge sampling apparatus with diving function according to the present invention;
FIG. 4 is a schematic structural diagram of a silt sampling apparatus of a submersible silt sampling apparatus with diving function according to the present invention;
fig. 5 is a schematic structural view of a motor chamber of a driving device of the underwater sludge sampling device with diving function according to the present invention.
In the figure: 1. a device main body; 2. a central storage column; 3. a battery compartment; 4. submergence device motor storehouse. 5. A submergence device motor; 6. a coil connecting rod; 7. a coil of wire; 8. an iron wire; 9. a wire roller; 10. an iron cable roller bin; 11. a connecting rod sliding bin; 12. a connecting rod spring; 13. a waterproof board connecting rod; 14. a sliding bin outlet; 15. a waterproof sheet; 16. a waterproof rubber ring; 17. a filtration device; 18. a filter screen; 19. a cover plate bearing; 20. a filter screen cover plate; 21. a limiting screw; 22. a sampling tube fixing ring; 23. a sludge sampling tube; 24. a baffle bearing; 25. a sampling tube baffle; 26. a driving device motor cabin; 27. a drive device motor; 28. a motor shaft; 29. a transmission roller; 30. a propeller connecting rod; 31. a connecting rod fixing seat; 32. a connecting rod base; 33. a connecting rod chute; 34. a propeller storage bin; 35. a propeller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a submarine sludge sampling device with diving function comprises a device main body 1, a central storage column 2, a battery bin 3, a submergence device motor bin 4, a submergence device motor 5, a coil connecting rod 6, an iron cable coil 7, an iron cable 8, an iron cable roller 9, an iron cable roller bin 10, a connecting rod sliding bin 11, a connecting rod spring 12, a waterproof plate connecting rod 13, a sliding bin outlet 14, a waterproof plate 15, a waterproof rubber ring 16, a filtering device 17, a filtering screen 18, a cover plate bearing 19, a filtering screen cover plate 20, a limiting screw 21, a sampling tube fixing ring 22, a sludge sampling tube 23, a baffle bearing 24, a sampling tube baffle 25, a driving device motor bin 26, a driving device motor 27, a motor rotating shaft 28, a transmission roller 29, a propeller connecting rod 30, a connecting rod fixing seat 31, a connecting rod base 32, a connecting rod chute 33, a propeller storage bin 34 and a propeller 35, wherein the central storage column 2 is arranged in the center of the interior of the device main, a battery bin 3 is arranged at the lower part of the central storage column 2, a submergence device motor bin 4 is arranged above the battery bin 3, a submergence device motor 5 is arranged inside the submergence device motor bin 4, a coil connecting rod 6 is connected above the submergence device motor 5, an iron cable coil 7 is connected above the coil connecting rod 6, the iron cable coil 7 forms transmission through the coil connecting rod 6 and the submergence device motor 5, the iron cable coil 7 and the coil connecting rod 6 form a rotating structure on the central storage column 2, an iron cable 8 can be tightened through the rotation of the iron cable coil 7, so that the effect of controlling the expansion and contraction of a waterproof board connecting rod 13 is achieved, an iron cable 8 is connected around the iron cable coil 7, the outer end of the iron cable 8 is connected to an iron cable roller 9, an iron cable roller bin 10 is arranged outside the iron cable roller 9, a connecting rod sliding bin 11 is connected below the iron cable roller bin 10, a connecting rod spring 12 is arranged above the inside the connecting rod sliding bin 11, a waterproof board connecting rod 13 is connected below the connecting rod spring 12, a sliding bin outlet 14 is arranged below the waterproof board connecting rod 13, a waterproof board 15 is connected at the bottom of the waterproof board connecting rod 13, the waterproof board connecting rod 13 forms a telescopic structure on the sliding bin outlet 14 through an iron cable 8 and the connecting rod spring 12, the waterproof board connecting rod 13 and the waterproof board 15 are of an integrated structure, the waterproof board 15 can be controlled to slide up and down in the device main body 1 through the telescopic of the waterproof board connecting rod 13, a waterproof rubber ring 16 is arranged around the waterproof board 15, the waterproof board 15 forms a sliding structure in the device main body 1 through the waterproof board connecting rod 13, the waterproof board 15 and the waterproof rubber ring 16 are of an integrated structure, the water inflow in the device main body 1 can be changed through the lifting height of the waterproof board 15, so as to control the lifting of the device main body 1 in water, and the filtering device 17 is arranged at the, a filter screen 18 is arranged in the center of the filter device 17, a cover plate bearing 19 is arranged above the filter device 17, a filter screen cover plate 20 is connected above the cover plate bearing 19, the filter screen cover plate 20 forms a rotating structure on the filter device 17 through the cover plate bearing 19, the size of a central opening of the filter screen cover plate 20 is the same as the size of the area of the filter screen 18, the filter screen 18 can be cleaned and replaced by rotating the filter screen cover plate 20, so that foreign matters such as fish and the like are prevented from entering the device and affecting the normal work of the device main body 1, a limiting screw 21 is arranged around the central storage column 2, a sampling tube fixing ring 22 is connected to the left side of the limiting screw 21, the sampling tube fixing ring 22 forms a rotating telescopic structure on the limiting screw 21, the limiting screw 21 and the sampling tube fixing ring 22 are of an integrated structure, and the tightness and the position of the sludge sampling tube 23 on the sampling tube, therefore, sludge at different depths is sampled, the sludge sampling tube 23 is arranged inside the sampling tube fixing ring 22, the baffle bearing 24 is arranged on the inner side of the sludge sampling tube 23, the sampling tube baffle 25 is connected to the left side of the baffle bearing 24, the sampling tube baffle 25 forms a rotating structure on the sludge sampling tube 23 through the baffle bearing 24, the sludge sampling tube 23 can be inserted into the sludge when the device main body 1 sinks, the sludge enters the sludge sampling tube 23 through the upward rotation of the sampling tube baffle 25, then when the device main body 1 floats upwards, the sludge cannot rotate downwards because the area of the sampling tube baffle 25 is larger than the diameter of the sludge sampling tube 23, so that the sludge cannot leak out from the lower part of the sludge sampling tube 23, the area of the sampling tube baffle 25 is larger than the inner cross-sectional area of the sludge sampling tube 23, and can pass through, the driving device motor chamber 26 is arranged on the right side, and a driving device motor 27 is arranged in the wire coil connecting rod 6, a motor rotating shaft 28 is arranged on the right side of the driving device motor 27, a transmission roller 29 is connected on the outer side of the motor rotating shaft 28, a propeller connecting rod 30 is connected on the right end of the transmission roller 29, a connecting rod fixing seat 31 is arranged below the propeller connecting rod 30, a connecting rod base 32 is arranged below the connecting rod fixing seat 31, the connecting rod fixing seat 31 forms a rotating structure on the connecting rod base 32 through a connecting rod sliding groove 33, the connecting rod fixing seat 31 and the left end of the connecting rod base 32 are of an integrated structure, the position of the transmission roller 29 on the motor rotating shaft 28 can be adjusted through the extension and contraction of the propeller connecting rod 30 so as to adjust the rotating speed of the propeller 35, so that the movement and the steering of the device, the screw 35 is installed in screw connecting rod 30 right-hand member, and screw storage compartment 34 has been seted up to screw 35 outside.
The working principle of the embodiment is as follows: the underwater silt sampling device with diving function comprises a device body 1, a driving device motor 27, a propeller 35, a motor shaft 28, a transmission roller 29, a motor cable reel 7, a waterproof board connecting rod 13 and a waterproof board 15, wherein the device body 1 is placed on the water surface, the driving device motor 27 is started to drive the propeller 35 to rotate, so that the linear motion of the device body 1 on the water surface is realized, the propeller connecting rod 30 can be driven to stretch and retract through the sliding of a connecting rod fixing seat 31 on a connecting rod base 32 in the period, so that the position of the transmission roller 29 on the motor shaft 28 is adjusted, due to the trapezoidal design of the motor shaft 28, the linear velocity of the right end is greater than that of the left end, the rotating speed of the propeller 35 is higher when the transmission roller 29 is at the right end, so that the steering of the device body 1 on the water surface is completed, the submersible, thereby increasing the water inflow of the inside of the apparatus body 1, lowering the apparatus body 1 to the bottom of the lake, inserting the sludge sampling tube 23 into the sludge due to the pressure of the apparatus body 1, thereby rotating the sampling tube baffle 25 upward, allowing the sludge to enter the sludge sampling tube 23, closing the submergence device motor 5 after sampling is completed, extending the waterproof plate connecting rod 13 due to the connecting rod spring 12, thereby sliding the waterproof plate 15 downward, discharging the water in the apparatus body 1, thereby raising the apparatus body 1, while in the rising, since the area of the sampling tube baffle 25 is larger than that of the sludge sampling tube 23, thereby preventing the sampling tube baffle 25 from rotating downward, thereby preventing the sludge from leaking, starting the driving apparatus motor 27 to move the apparatus body 1 to the shore after the apparatus body 1 floats out of the water surface, taking the sludge sampling tube 23 off the sampling tube fixing ring 22, and then taking off the filter screen 18 by rotating the filter screen cover plate 20, the inside of the apparatus body 1 and the filter screen 18 are cleaned for the next use, so that the above is the working principle of the underwater sludge sampling apparatus with diving function.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a submarine silt sampling device with dive function, includes device main part (1), dive device motor (5), filter equipment (17), silt sampling tube (23) and screw (35), its characterized in that: the device is characterized in that a central storage column (2) is installed in the center of the interior of a device main body (1), a battery bin (3) is arranged on the lower portion of the central storage column (2), a submergence device motor bin (4) is arranged above the battery bin (3), a submergence device motor (5) is placed in the submergence device motor bin (4), a coil connecting rod (6) is connected above the submergence device motor (5), an iron cable coil (7) is connected above the coil connecting rod (6), an iron cable (8) is connected around the iron cable coil (7), the outer end of the iron cable (8) is connected to an iron cable roller (9), an iron cable roller bin (10) is installed on the outer portion of the iron cable roller (9), a connecting rod sliding bin (11) is connected below the iron cable roller bin (10), a connecting rod spring (12) is installed on the upper portion of the interior of the connecting rod sliding bin (11), and a waterproof board connecting rod (13) is connected below the connecting rod spring (12), a sliding bin outlet (14) is formed below the waterproof board connecting rod (13), a waterproof board (15) is connected at the bottom of the waterproof board connecting rod (13), a waterproof rubber ring (16) is arranged around the waterproof board (15), the filtering device (17) is arranged at the bottom of the device main body (1), a filtering net (18) is arranged at the center of the filtering device (17), a cover plate bearing (19) is arranged above the filtering device (17), a filtering net cover plate (20) is connected above the cover plate bearing (19), a limiting screw (21) is arranged around the central storage column (2), a sampling tube fixing ring (22) is connected on the left side of the limiting screw (21), a sludge sampling tube (23) is arranged inside the sampling tube fixing ring (22), and a baffle plate bearing (24) is arranged on the inner side of the sludge sampling tube (23), the left side of the baffle bearing (24) is connected with a sampling tube baffle (25), the right side of the device main body (1) is provided with a driving device motor bin (26), and a driving device motor (27) is arranged in the wire coil connecting rod (6), a motor rotating shaft (28) is arranged on the right side of the driving device motor (27), a transmission roller (29) is connected with the outer side of the motor rotating shaft (28), the right end of the transmission roller (29) is connected with a propeller connecting rod (30), a connecting rod fixing seat (31) is arranged below the propeller connecting rod (30), a connecting rod base (32) is arranged below the connecting rod fixing seat (31), a connecting rod sliding groove (33) is arranged above the connecting rod base (32), the propeller (35) is installed at the right end of the propeller connecting rod (30), and a propeller storage bin (34) is arranged outside the propeller (35).
2. The underwater sludge sampling device with diving function as claimed in claim 1, wherein: the iron cable coil (7) and the submergence device motor (5) form transmission through a coil connecting rod (6), and the iron cable coil (7) and the coil connecting rod (6) form a rotating structure on the central storage column (2).
3. The underwater sludge sampling device with diving function as claimed in claim 1, wherein: the waterproof plate connecting rod (13) forms a telescopic structure on the sliding bin outlet (14) through an iron cable (8) and a connecting rod spring (12), and the waterproof plate connecting rod (13) and the waterproof plate (15) are of an integrated structure.
4. The underwater sludge sampling device with diving function as claimed in claim 1, wherein: the waterproof plate (15) forms a sliding structure in the device main body (1) through a waterproof plate connecting rod (13), and the waterproof plate (15) and the waterproof rubber ring (16) are of an integrated structure.
5. The underwater sludge sampling device with diving function as claimed in claim 1, wherein: the filter screen cover plate (20) forms a rotating structure in the filter device (17) through a cover plate bearing (19), and the size of a central opening of the filter screen cover plate (20) is the same as that of the area of the filter screen (18).
6. The underwater sludge sampling device with diving function as claimed in claim 1, wherein: sampling tube retainer plate (22) constitutes rotatory extending structure on stop screw (21), and stop screw (21) and sampling tube retainer plate (22) are the integral structure.
7. The underwater sludge sampling device with diving function as claimed in claim 1, wherein: the sampling tube baffle plate (25) forms a rotating structure on the sludge sampling tube (23) through the baffle plate bearing (24), and the area of the sampling tube baffle plate (25) is larger than the inner cross-sectional area of the sludge sampling tube (23).
8. The underwater sludge sampling device with diving function as claimed in claim 1, wherein: the propeller connecting rod (30) is of a telescopic structure, the transmission roller (29) and the propeller connecting rod (30) are of an integrated structure, and the propeller (35) forms a transmission structure through the propeller connecting rod (30) and the transmission roller (29).
9. The underwater sludge sampling device with diving function as claimed in claim 1, wherein: connecting rod fixing base (31) constitute revolution mechanic on connecting rod base (32) through connecting rod spout (33), and connecting rod fixing base (31) and connecting rod base (32) left end be the integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649500.5U CN212674509U (en) | 2020-08-11 | 2020-08-11 | Underwater sludge sampling device with diving function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649500.5U CN212674509U (en) | 2020-08-11 | 2020-08-11 | Underwater sludge sampling device with diving function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212674509U true CN212674509U (en) | 2021-03-09 |
Family
ID=74821303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021649500.5U Active CN212674509U (en) | 2020-08-11 | 2020-08-11 | Underwater sludge sampling device with diving function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212674509U (en) |
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2020
- 2020-08-11 CN CN202021649500.5U patent/CN212674509U/en active Active
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Effective date of registration: 20230425 Address after: No. 6 Jinding Road, Economic Development Zone, Gangcheng District, Jinan City, Shandong Province Patentee after: Jinan Gangcheng District Changyuan Water Group Co.,Ltd. Address before: 523000 Dongguan Dongcheng Street, Niu Shan, Guangming Road, Dongcheng, Zhong Yun, Smart City Industrial Park, C 3, 302-A42 Patentee before: DONGGUAN RONGGONG AUTOMATION TECHNOLOGY Co.,Ltd. |