CN211061239U - Surface water sampler for site environment investigation - Google Patents
Surface water sampler for site environment investigation Download PDFInfo
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- CN211061239U CN211061239U CN201921790709.0U CN201921790709U CN211061239U CN 211061239 U CN211061239 U CN 211061239U CN 201921790709 U CN201921790709 U CN 201921790709U CN 211061239 U CN211061239 U CN 211061239U
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- rod
- driving
- bottle
- column
- surface water
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- 239000002352 surface water Substances 0.000 title claims abstract description 23
- 238000011835 investigation Methods 0.000 title claims abstract description 8
- 238000005070 sampling Methods 0.000 claims abstract description 60
- 241001411320 Eriogonum inflatum Species 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 230000007613 environmental effect Effects 0.000 claims abstract 10
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 230000001174 ascending effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a place environment investigation surface water sample thief relates to surface water sampling technical field. The technical scheme is that the sampling device comprises a sampling bottle, a bottle stopper plate, a supporting plate and a mounting column, wherein a threaded hole extending downwards is formed in the top end of the mounting column, and a threaded rod is connected with the thread in the threaded hole; the top end of the threaded rod extends out of the threaded hole and is connected with a cross rod, one end of the cross rod, which is far away from the threaded rod, is connected with a vertical rod, and a sampling bottle is bound at the lower end of the vertical rod through a binding belt; a connecting rod is arranged on one side of the vertical rod, the bottom end of the connecting rod is connected with the bottle stopper plate, and a through hole for the top end of the connecting rod to pass through is formed in the cross rod; a driving rod which is connected with one end of the connecting rod penetrating through the through hole and is used for driving the connecting rod to move along the vertical direction is arranged above the cross rod. The method has the effects of accurately finding the position of the sampling point and ensuring the authenticity of the measured data, and is beneficial to maintaining the field environment by workers according to the measured data so as to achieve the aim of environmental protection.
Description
Technical Field
The utility model belongs to the technical field of surface water sampling technique and specifically relates to a site environment investigation surface water sample thief is related to.
Background
When surveying the place environment, except examining solid pollutant in the place, still need detect river, low-lying section ponding in the place environment, and the prerequisite that detects, research etc. to the surface water in the place environment all needs to take a sample earlier, consequently just needs to use surface water sampler.
The prior chinese patent with the publication number CN207081585U discloses a surface water layer sampling device, which mainly comprises an inner sampling rod, a sampling bottle buckle, a sampling bottle, an outer sampling rod, a sampling bottle plug buckle, an outer sampling rod, an inner sampling rod, a sampling bottle plug rod, and a sampling bottle rod. When sampling, a worker firstly puts the device into a water body to be sampled; then, the sampling inner rod is moved upwards, so that the bottle mouth of the sampling bottle is opened; after the sampling bottle is filled with a water sample, the sampling inner rod moves downwards, so that the bottle mouth of the sampling bottle is closed through the sampling bottle plug; finally, the sampling device is lifted out of the water body.
However, when the staff puts into the water body of waiting to take a sample with sampling device beside the river or low-lying ponding section, because the uncontrollability of artificial placing sampling device operation causes the slope of sampling device and the disturbance of water easily, can not accurately find the position of sampling bottle at the ascending sampling point of vertical direction, consequently also can not accurately extract the water of corresponding sampling point, has influenced the authenticity that measures data through the sampling water.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a site environment investigation surface water sample thief, it has can be accurate find the sampling point position, guarantee to record the effect of data authenticity.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a surface water sampler for site environment investigation comprises a sampling bottle, a bottle plug plate for sealing the mouth of the sampling bottle, a horizontally arranged support plate and an installation column vertically arranged on the top surface of the support plate, wherein the top end of the installation column is provided with a threaded hole extending downwards, and a threaded rod is connected with the threaded hole in a threaded manner; the top end of the threaded rod extends out of the threaded hole and is connected with a horizontal cross rod which can rotate by taking the axis of the threaded rod as a shaft; one end of the cross rod, which is far away from the threaded rod, is connected with a vertical rod which is vertically arranged, and the sampling bottle is bound at the lower end of the vertical rod through a binding belt;
a connecting rod is arranged on one side of the vertical rod and above the bottle stopper plate along the vertical direction, the bottom end of the connecting rod is connected with the bottle stopper plate, and a through hole for the top end of the connecting rod to pass through is formed in the cross rod; and a driving rod which is connected with one end of the connecting rod penetrating through the through hole and is used for driving the connecting rod to move along the vertical direction is arranged above the cross rod.
Through adopting above-mentioned technical scheme, the sample bottle passes through the ribbon to be fixed on the montant, can play the bearing effect to the sample bottle through the combination of erection column, threaded rod, horizontal pole and montant to make the sample bottle can follow vertical direction and reciprocate. Specifically, the threaded rod is rotated to enable the threaded rod to move upwards and drive the sampling bottle to move above the supporting plate, then the sampler is moved to the side of the river to be sampled to enable the sampling bottle to be located right above the river to be sampled, and finally the threaded rod is rotated to enable the sampling bottle to descend along a vertical straight line by a designated height, so that the bottle stopper plate can be opened through the driving rod, and the sampling bottle can take a proper amount of water to be detected; after the water sample is collected, the bottle plug plate is covered on the bottle mouth of the sampling bottle again through the driving rod. Wherein, can judge the height that the sample bottle descends according to the top of threaded rod and the distance at erection column top, because the sample bottle descends along vertical direction all the time, so reduced the water disturbance, also can accurately judge whether the sample bottle arrives appointed sampling position, have can accurately find the sampling point position, guarantee to record the effect of data authenticity.
The utility model discloses further set up to: and a base plate is arranged on the outer side wall of the vertical rod and below the sampling bottle, and the bottom of the sampling bottle is abutted to the base plate.
Through adopting above-mentioned technical scheme, the backing plate provides a holding power to the sample bottle, and it can firmly be fixed the sample bottle on the montant with the ribbon cooperation, prevents sample bottle offset.
The utility model discloses further set up to: the driving rod is arranged along the length direction of the cross rod, the middle part of the driving rod is rotatably connected with the cross rod, and one end of the driving rod, which is close to the connecting rod, is provided with a connecting block; a connecting groove is formed in the connecting block, and a strip-shaped groove communicated with the connecting groove is formed in the bottom end of the connecting block; the strip-shaped groove is arranged along the length direction of the driving rod, and the top end of the connecting rod penetrates through the strip-shaped groove to extend into the connecting groove and is connected with the connecting ball; the length of bar groove is greater than the diameter of connecting rod, the diameter of connecting ball is greater than the diameter of connecting rod.
Through adopting above-mentioned technical scheme, when pushing down the actuating lever and being close to the one end of threaded rod, the connecting block can the upward movement to make the connection ball slide in the spread groove, thereby the drive connecting rod removes along vertical direction, has the effect that can conveniently open the sample bottle.
The utility model discloses further set up to: and a tightening bolt is arranged on the cross rod and on one side of the hinged joint of the driving rod and the cross rod, which is close to the threaded rod, the tightening bolt is in threaded connection with the cross rod, the screw head of the tightening bolt is positioned below the cross rod, and the screw rod of the tightening bolt is abutted against the driving rod.
Through adopting above-mentioned technical scheme, when the bottleneck that the bottle plug board will take the sample bottle closed, screw and support tight bolt and make it offset with the connecting rod, can prevent the actuating lever rotation, have the effect that can guarantee the sealed effect of sample bottle, guarantee the rivers of the water for setting for the sampling position in the sample bottle.
The utility model discloses further set up to: be provided with the sleeve in the through-hole, telescopic bottom downwardly extending to the below of horizontal pole, the connecting rod passes the sleeve.
Through adopting above-mentioned technical scheme, the sleeve is compared in the area of contact of through-hole with the connecting rod bigger, does benefit to the stability when improving the connecting rod and sliding along vertical direction.
The utility model discloses further set up to: the top end of the threaded rod is connected with a driving column, and the driving column and the threaded rod are coaxially arranged; the horizontal pole is connected with the lateral wall of drive post, just be located the horizontal pole top on the lateral wall of drive post and be provided with the burr that increases to rub, it is provided with a plurality ofly to increase the burr along the circumference of drive post.
Through adopting above-mentioned technical scheme, conveniently drive the threaded rod and rotate.
The utility model discloses further set up to: the outer side wall of the driving column is provided with an annular groove along the circumferential direction, a connecting ring capable of rotating in the circumferential direction is arranged in the annular groove, and the cross rod is fixedly connected with the connecting ring.
Through adopting above-mentioned technical scheme, go-between and ring channel normal running fit can guarantee that the position of horizontal pole is unchangeable when rotatory drive post.
The utility model discloses further set up to: an annular ring is sleeved on the outer side wall of the driving column and positioned below the annular groove, and the bottom end of the annular ring is connected with the top end of the mounting column; the driving column is arranged in the annular ring in a sliding mode, scales are arranged on the outer side wall of the driving column, and a plurality of scales are arranged along the axial direction of the driving column.
By adopting the technical scheme, the annular ring is sleeved outside the driving column, so that the driving column can stably move along the vertical direction. On the other hand, can judge the height that the sample bottle rises or descends through the scale in the in-process that the drive column reciprocated, more do benefit to and remove the sample bottle to the assigned position.
The utility model discloses further set up to: the top surface of backup pad is provided with the rail along the circumference of erection column, the balancing weight has been placed in just being located between rail and the erection column in the backup pad.
Through adopting above-mentioned technical scheme, the focus of device can prevent that the device from taking place to turn on one's side when the sample in backup pad department.
The utility model discloses further set up to: the bottom surface of backup pad is provided with three landing legs at least, each the bottom of landing leg all is provided with the truckle.
Through adopting above-mentioned technical scheme, conveniently remove the device to the assigned position.
To sum up, the utility model discloses a beneficial technological effect does:
1. through the arrangement of the mounting columns, the threaded rods, the cross rods, the vertical rods, the connecting rods and the driving rods, the effects of accurately finding the positions of sampling points and ensuring the authenticity of measured data are achieved;
2. through the arrangement of the connecting block, the connecting groove, the strip-shaped groove, the connecting ball and the abutting bolt, the sampling bottle opening can be conveniently opened and closed;
3. through the setting of drive post and scale, have the advantage of convenient operation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a field environment survey surface water sampler shown in an embodiment;
FIG. 2 is a cross-sectional view of the mounting post shown in the example;
fig. 3 is an enlarged view of a portion a in fig. 1.
In the figure, 1, a sampling bottle; 11. a bottle stopper plate; 12. binding a belt; 2. a support plate; 21. a fence; 22. a balancing weight; 23. a support leg; 24. a caster wheel; 3. mounting a column; 31. a threaded hole; 32. a threaded rod; 33. an annular ring; 4. a cross bar; 41. a through hole; 42. tightly abutting against the bolt; 43. a sleeve; 5. a vertical rod; 51. a base plate; 6. a connecting rod; 61. a connecting ball; 7. a drive rod; 71. connecting blocks; 72. connecting grooves; 73. a strip-shaped groove; 8. a drive column; 81. friction increasing convex lines; 82. an annular groove; 83. a connecting ring; 84. and (4) calibration.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a site environment investigation surface water sample thief, including backup pad 2 and three landing legs 23 of setting in backup pad 2 bottom surfaces, the bottom of each landing leg 23 all is provided with truckle 24. The vertical erection column 3 that is provided with of top surface of backup pad 2, the top surface of backup pad 2 still is provided with rail 21 along the circumference of erection column 3, and a plurality of balancing weight 22 has been placed on backup pad 2 and is located between rail 21 and the erection column 3.
Referring to fig. 1 and 2, a threaded hole 31 is opened at the top end of the mounting post 3, and the threaded hole 31 extends downward. Threaded rod 32 is connected to screw hole 31 internal thread, and screw hole 31 is stretched out and is connected with drive post 8 in the top of threaded rod 32, and drive post 8 is cylindricly and sets up with threaded rod 32 is coaxial. The top end of the outer side wall of the driving column 8 is provided with an annular groove 82 along the circumferential direction of the driving column 8, and a connecting ring 83 capable of rotating circumferentially relative to the driving column 8 is arranged in the annular groove 82. Be connected with horizontal pole 4 that is the level setting on the lateral wall of go-between 83, the one end that the drive post 8 was kept away from to horizontal pole 4 is connected with the montant 5 that is vertical setting, the lower extreme of montant 5 has sample bottle 1 through the ligature of ribbon 12, when the bottom of drive post 8 offsets with the top of erection column 3, sample bottle 1 is located the below of truckle 24 and is greater than 20CM with the distance between truckle 24, the length of threaded rod 32 is greater than this moment sample bottle 1 and truckle 24 at the ascending distance of vertical side. Specifically, just be located sample bottle 1 below on the lateral wall of montant 5 and be provided with backing plate 51, sample bottle 1's bottleneck up, the bottle end and the backing plate 51 butt of sample bottle 1.
Referring to fig. 1 and 2, the friction-increasing ridge 81 is provided on the outer side wall of the drive column 8 above the annular groove 82, and the friction-increasing ridge 81 is provided in plurality in the circumferential direction of the drive column 8. An annular ring 33 is sleeved on the outer side wall of the driving column 8 and below the annular groove 82, and the bottom end of the annular ring 33 is fixedly connected with the top end of the mounting column 3. The driving column 8 is arranged in the annular ring 33 in a sliding mode, the outer side wall of the driving column 8 is provided with a scale 84, and the scale 84 is arranged in a plurality along the axial direction of the driving column 8.
Referring to fig. 1 and 3, a bottle stopper plate 11 for closing the bottle opening of the sampling bottle 1 is arranged at the bottle opening, a connecting rod 6 is arranged on one side of a vertical rod 5 and above the bottle stopper plate 11 along the vertical direction, the bottom end of the connecting rod 6 is fixedly connected with the bottle stopper plate 11, and a through hole 41 for allowing the top end of the connecting rod 6 to pass through is arranged on the cross rod 4. The top of horizontal pole 4 is provided with actuating lever 7, and actuating lever 7 sets up along the length direction of horizontal pole 4, and the middle part of actuating lever 7 is passed through the pivot and is connected with horizontal pole 4 rotation, presses the one end of actuating lever 7 downwards, and the other end of actuating lever 7 can upwards rotate. The one end that the actuating lever 7 is close to connecting rod 6 is provided with connecting block 71, is provided with the spread groove 72 in the connecting block 71, and the bottom of connecting block 71 is provided with the communicating bar groove 73 with spread groove 72, and bar groove 73 sets up along the length direction of actuating lever 7. The top end of the connecting rod 6 penetrates through the strip-shaped groove 73 to extend into the connecting groove 72 and is connected with the connecting ball 61, the length of the strip-shaped groove 73 is larger than the diameter of the connecting rod 6, and the diameter of the connecting ball 61 is larger than that of the connecting rod 6, namely, when the driving rod 7 is parallel to the cross rod 4, the connecting ball 61 is positioned in the middle of the connecting groove 72; when one end of the driving rod 7 close to the annular ring 33 is pressed downward, the connecting ball 61 can move in the connecting groove 72 and bring the connecting rod 6 to move upward.
Referring to fig. 1 and 3, a sleeve 43 is arranged in the through hole 41, the bottom end of the sleeve 43 extends downwards to the lower part of the cross bar 4, and the connecting rod 6 penetrates through the sleeve 43 and is attached to the inner side wall of the sleeve 43. A tightening bolt 42 is arranged on the cross rod 4 and on one side of the hinge point of the driving rod 7 and the cross rod 4, which is close to the threaded rod 32, the tightening bolt 42 is in threaded connection with the cross rod 4, and the screw head of the tightening bolt 42 is positioned below the cross rod 4; when the driving rod 7 is parallel to the cross rod 4, the bottle stopper plate 11 seals the bottle mouth of the sampling bottle 1, and the screw rod of the abutting bolt 42 abuts against the driving rod 7.
The implementation principle of the embodiment is as follows:
in the initial state, the sampler is in a flat state, that is, the mounting column 3 is in a horizontally placed state, at this time, the driving column 8 is also abutted against the top end of the mounting column 3, and the sampling bottle 1 is located below the caster 24 when the sampler is in a vertical state.
During the use, rotatory drive post 8 makes threaded rod 32 upwards remove and drive sample bottle 1 and move to horizontal pole 4 direction earlier, when sample bottle 1 moves to the backup pad 2 and is close to the one side of horizontal pole 4, stops rotatory drive post 8. Then, the sampler is erected to enable the sampler to be in a vertical state, and the sampler is moved to the side of the river to be sampled and the sampling bottle 1 is located right above the river to be sampled. Finally, after the driving column 8 is rotated and the sampling bottle descends along a vertical straight line to a designated height, the tightening bolt 42 is rotated to enable the top end of the tightening bolt 42 to be flush with the top surface of the cross rod 4, and the bottle stopper plate 11 can be moved upwards by pressing down one end of the driving rod 7 close to the driving column 8, so that the sampling bottle 1 can take a proper amount of water to be detected.
After a water sample is collected, the driving rod 7 is pushed upwards to cover the bottle plug plate 11 on the bottle mouth of the sampling bottle 1 again, and then the fastening bolt 42 is rotated to enable the fastening bolt 42 to be fastened with the driving rod 7. At the in-process of rotation driving post 8, can judge the height that sampling bottle 1 descends or rises according to scale 84, because sampling bottle 1 descends along vertical direction all the time, so also reduced the disturbance to the water when sampling bottle 1 goes into water, guaranteed to record the authenticity of data according to the sample water.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a place environment investigation surface water sample thief, includes sample bottle (1) and will the bottleneck confined bottle cock board (11) of sample bottle (1), its characterized in that: the mounting structure is characterized by further comprising a horizontally arranged supporting plate (2) and a mounting column (3) vertically arranged on the top surface of the supporting plate (2), wherein a threaded hole (31) extending downwards is formed in the top end of the mounting column (3), and a threaded rod (32) is connected with the threaded hole (31) in an internal thread manner; the top end of the threaded rod (32) extends out of the threaded hole (31) and is connected with a horizontal rod (4) which is horizontally arranged, and the horizontal rod (4) can rotate by taking the axis of the threaded rod (32) as a shaft; one end of the cross rod (4) far away from the threaded rod (32) is connected with a vertical rod (5) which is vertically arranged, and the sampling bottle (1) is bound at the lower end of the vertical rod (5) through a binding belt (12);
a connecting rod (6) is arranged on one side of the vertical rod (5) and above the bottle stopper plate (11) along the vertical direction, the bottom end of the connecting rod (6) is connected with the bottle stopper plate (11), and a through hole (41) for the top end of the connecting rod (6) to pass through is formed in the cross rod (4); and a driving rod (7) which is connected with one end of the connecting rod (6) penetrating through the through hole (41) and is used for driving the connecting rod (6) to move along the vertical direction is arranged above the cross rod (4).
2. The field environmental survey surface water sampler of claim 1, wherein: the utility model discloses a sampling device, including montant (5), sample bottle (1), the lateral wall of montant (5) is last and be located sample bottle (1) below and be provided with backing plate (51), the bottle end and backing plate (51) butt of sample bottle (1).
3. The field environmental survey surface water sampler of claim 1, wherein: the driving rod (7) is arranged along the length direction of the cross rod (4), the middle part of the driving rod (7) is rotatably connected with the cross rod (4), and one end, close to the connecting rod (6), of the driving rod (7) is provided with a connecting block (71); a connecting groove (72) is formed in the connecting block (71), and a strip-shaped groove (73) communicated with the connecting groove (72) is formed in the bottom end of the connecting block (71); the strip-shaped groove (73) is arranged along the length direction of the driving rod (7), and the top end of the connecting rod (6) penetrates through the strip-shaped groove (73) to extend into the connecting groove (72) and is connected with the connecting ball (61); the length of the strip-shaped groove (73) is larger than the diameter of the connecting rod (6), and the diameter of the connecting ball (61) is larger than the diameter of the connecting rod (6).
4. The field environmental survey surface water sampler of claim 3, wherein: and a tightening bolt (42) is arranged on one side, close to the threaded rod (32), of the cross rod (4) and located at the hinged point of the driving rod (7) and the cross rod (4), the tightening bolt (42) is in threaded connection with the cross rod (4), the screw head of the tightening bolt (42) is located below the cross rod (4), and the screw rod of the tightening bolt (42) is abutted against the driving rod (7).
5. The field environmental survey surface water sampler of claim 1, wherein: be provided with sleeve (43) in through-hole (41), the bottom of sleeve (43) extends downwards to the below of horizontal pole (4), connecting rod (6) pass sleeve (43).
6. The field environmental survey surface water sampler of claim 1, wherein: the top end of the threaded rod (32) is connected with a driving column (8), and the driving column (8) and the threaded rod (32) are coaxially arranged; horizontal pole (4) are connected with the lateral wall of drive column (8), just be located horizontal pole (4) top on the lateral wall of drive column (8) and be provided with and increase burr (81), it is provided with a plurality ofly to increase burr (81) along the circumference of drive column (8).
7. The field environmental survey surface water sampler of claim 6, wherein: the outer side wall of the driving column (8) is provided with an annular groove (82) along the circumferential direction of the outer side wall, a connecting ring (83) capable of rotating in the circumferential direction is arranged in the annular groove (82), and the cross rod (4) is fixedly connected with the connecting ring (83).
8. The field environmental survey surface water sampler of claim 7, wherein: an annular ring (33) is sleeved on the outer side wall of the driving column (8) and positioned below the annular groove (82), and the bottom end of the annular ring (33) is connected with the top end of the mounting column (3); the driving column (8) is arranged in the annular ring (33) in a sliding mode, scales (84) are arranged on the outer side wall of the driving column (8), and a plurality of scales (84) are arranged along the axial direction of the driving column (8).
9. The field environmental survey surface water sampler of claim 1, wherein: the top surface of backup pad (2) is provided with rail (21) along the circumference of erection column (3), just be located on backup pad (2) and placed balancing weight (22) between rail (21) and erection column (3).
10. The field environmental survey surface water sampler of claim 1, wherein: the bottom surface of backup pad (2) is provided with three landing legs (23) at least, each the bottom of landing leg (23) all is provided with truckle (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921790709.0U CN211061239U (en) | 2019-10-23 | 2019-10-23 | Surface water sampler for site environment investigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921790709.0U CN211061239U (en) | 2019-10-23 | 2019-10-23 | Surface water sampler for site environment investigation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211061239U true CN211061239U (en) | 2020-07-21 |
Family
ID=71588335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921790709.0U Expired - Fee Related CN211061239U (en) | 2019-10-23 | 2019-10-23 | Surface water sampler for site environment investigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211061239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117890548A (en) * | 2024-01-17 | 2024-04-16 | 江苏省水文水资源勘测局泰州分局 | Hydrologic monitoring device for waters with voice prompt facility |
-
2019
- 2019-10-23 CN CN201921790709.0U patent/CN211061239U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117890548A (en) * | 2024-01-17 | 2024-04-16 | 江苏省水文水资源勘测局泰州分局 | Hydrologic monitoring device for waters with voice prompt facility |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |