CN215575054U - Urban river water environment detection device - Google Patents
Urban river water environment detection device Download PDFInfo
- Publication number
- CN215575054U CN215575054U CN202121435480.6U CN202121435480U CN215575054U CN 215575054 U CN215575054 U CN 215575054U CN 202121435480 U CN202121435480 U CN 202121435480U CN 215575054 U CN215575054 U CN 215575054U
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- water
- water inlet
- elbow
- environment detection
- inlet cylinder
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 204
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 241000883990 Flabellum Species 0.000 claims description 6
- 238000005070 sampling Methods 0.000 abstract description 10
- 241000196324 Embryophyta Species 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012535 impurity 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
- 238000012372 quality testing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- 239000010802 sludge Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides an urban riverway water environment detection device which comprises a base, a water environment detection mechanism, a water inlet pipe head, a lifting sliding table and a blocking mechanism, wherein the lifting sliding table is arranged on the base, the water inlet pipe head is connected with a downward elbow, the blocking mechanism comprises a water inlet cylinder, fan blades, a water guide cover, a transmission rod, a connecting rod and a stirring rod, the top of the water inlet cylinder is provided with a connecting port matched with the port of the elbow, a water inlet cavity communicated with the elbow is arranged in the water inlet cylinder, the bottom end of the outer circumferential wall of the water inlet cylinder is provided with a water inlet hole communicated with the water inlet cavity, the water inlet hole is covered with a filter screen, the water guide cover is fixed in the port at one end connected with the elbow and the water inlet cylinder, and the water guide cover is provided with a water guide channel coaxial with the elbow. The utility model can avoid the influence of sundries such as aquatic weeds and the like in water during sampling, and can improve the precision of sampling water quality in different areas and different depths in water.
Description
Technical Field
The utility model relates to the technical field of water environment detection, in particular to a device for detecting water environment of an urban river.
Background
The water quality monitoring is a process for monitoring and determining the types of pollutants in water bodies, the concentrations and the change trends of various pollutants and evaluating the water quality conditions, the monitoring range is very wide, the water environment detection device comprises uncontaminated and contaminated natural water, various industrial drainage and the like, the water environment detection device can measure the pH value, the conductivity, the dissolved oxygen, the salinity, the dissolved quality, the seawater specific gravity, the temperature, the turbidity, the depth and the oxidation-reduction potential in situ, can meet the measurement requirements of various surface water, underground water, industrial and domestic sewage, cultivation and reclaimed water, can be widely applied to the fields of environmental protection, scientific research monitoring, production control and the like, is one of ideal special instruments for environmental monitoring and management in the industrial automation era, and has very wide water quality detection and test application, such as rivers, lakes, ponds, dams, wells, oceans, lakes, rivers, lakes, ponds, rivers, water dams, seas and the like, Groundwater, industrial wastewater, municipal sewage, agricultural water, fish farms, and the like;
the water environment detection device needs to sample water of different depths in a river channel before water sample detection is carried out, then the water sample is detected through a detection instrument, however, the existing water environment detection device is easily influenced by sundries such as aquatic weeds and sludge when sampling is carried out, so that the water quality of different regions and different depths in water cannot be accurately sampled, and the sampling precision and efficiency are reduced. If the application number is: CN201822135079.5 discloses a city riverway water environment detection device, which comprises a straight pipe, a water inlet pipe head, a ball screw lifting sliding table, a connecting water pipe, a water environment detection mechanism, a control panel and a base, wherein the sliding table of the ball screw lifting sliding table is connected with a pipe bundle matched with the straight pipe, the straight pipe is longitudinally arranged and is driven by the ball screw lifting sliding table to lift, so as to collect water samples of city riverways with different heights, the ball screw lifting sliding table is arranged at the top of one end of the base, the base is provided with a slot for lifting the straight pipe, the water inlet pipe head is arranged at one end of the bottom of the straight pipe, one end of the connecting water pipe is detachably connected with the top end of the straight pipe, the water environment detection mechanism comprises a box body, a water pump, a first electromagnetic valve, a second electromagnetic valve, a flow abandoning pipe, a third electromagnetic valve, a water collecting tank, a water quality detection device and a water discharge pipe, the water pump is established ties on connecting the water pipe and installs in the inside of box through the water pump mount pad, the header tank sets up in the inside of box, the one end that the straight tube was kept away from to connecting the water pipe is connected with the header tank, abandon the flow tube and connect in the pipeline section of connecting the water pipe and corresponding water pump and header tank, the second solenoid valve is established ties in the one end that this pipeline section is close to the header tank, the third solenoid valve is established ties on abandoning the flow tube, water quality testing device's measuring probe alternates and extends to the inner chamber bottom of box, the drain pipe sets up in one side bottom of box for the box drainage, the control panel sets up in the surface of box, first solenoid valve, water pump, second solenoid valve, third solenoid valve and water quality testing device respectively with control panel electric connection.
SUMMERY OF THE UTILITY MODEL
Based on the above problems, the utility model aims to provide an urban river water environment detection device which can avoid the influence of sundries such as aquatic weeds and the like during sampling and can improve the precision of sampling water quality in different areas and different depths in water.
Aiming at the problems, the following technical scheme is provided: a city riverway water environment detection device comprises a base, a water environment detection mechanism, a water inlet pipe head, a lifting sliding table arranged on the base and a blocking mechanism, wherein an elbow arranged downwards is connected to the water inlet pipe head, the blocking mechanism comprises a water inlet cylinder, fan blades, a water guide cover, a transmission rod, a connecting rod and a stirring rod, a connecting port matched with the port of the elbow is formed in the top of the water inlet cylinder, a water inlet cavity communicated with the elbow is formed in the water inlet cylinder, a water inlet communicated with the water inlet cavity is formed in the bottom end of the outer circumferential wall of the water inlet cylinder, a filter screen is covered at the position of the water inlet, the water guide cover is fixed in the port at one end, connected with the water inlet cylinder, of the elbow, a water guide channel coaxial with the elbow is formed in the water guide cover, a fixing plate is arranged at the port at one end, connected with the elbow, and one end of the connecting rod is connected with the fixing plate through a bearing, the other end links to each other with the flabellum, transfer line one end links to each other and with the coaxial setting of connecting rod with the flabellum, and the other end runs through into water barrel bottom, forms the link, the puddler includes the linkage segment that links to each other with the link and connects in the link outer end and lie in the outside section of blockking of the outer periphery of connecting cylinder, the link is intake a section of thick bamboo bottom surface level setting relatively, it sets up relatively to intake a section of thick bamboo direction of height of section of thick bamboo up to block, block the rotation of section accessible flabellum, realize intaking a section of thick bamboo axial direction relatively and rotate.
In the structure, water is pumped by the water pump, water enters the water inlet cavity in the water inlet cylinder from the water inlet hole, enters the elbow through the water guide channel, enters the water inlet pipe head and is conveyed to the water environment detection mechanism. When the water enters the elbow through the water guide channel, the fan blades are rotated by water resistance to drive the transmission rod and the connecting rod to axially rotate, the transmission rod drives the stirring rod to rotate, and the blocking section of the stirring rod rotates relative to the circumferential direction of the water inlet cylinder to block sundries such as aquatic weeds, so that the influence of the sundries such as the aquatic weeds on the sampling process is avoided, and the sampling precision of the water quality of different areas and different depths in water is improved. The filter screen is arranged to further filter, so that the water inlet hole is prevented from being plugged, and the reliability of the water filter is improved. The water guide cover can be used for conveniently fixing the fan blades with the fixing plate through the connecting rod and positioning and installing the fan blades, and can guide water to enter in the direction through the water guide cover, so that the fan blades can be conveniently driven to rotate, and convenience and reliability of the fan blade fixing device are improved. The connecting rod is connected with the fixed plate through the bearing, so that resistance force applied when the fan blades drive the connecting rod to rotate can be avoided, and the reliability of the fan is improved. The coaxiality of the fan blade, the water guide cover and the elbow can be improved by arranging the connecting rod, so that the rotating stability of the fan blade is improved, and the reliability of the fan is improved.
The utility model is further arranged in such a way that the bottom end of the water guide cover is arranged downwards in a flaring manner, and the fan blades are positioned in the flaring.
By adopting the structure, when water enters the elbow through the water guide channel, the rotation of the fan blades can be conveniently driven, and the limiting installation of the water guide cover can be conveniently realized by arranging the water guide cover into the horn shape, so that the reliability and the convenience of the utility model are improved.
The utility model is further provided that the top end of the connecting rod is provided with a limit ring which is in threaded connection with the connecting rod and is positioned above the fixing plate.
By adopting the structure, the fan blade can be limited and prevented from falling off downwards, so that the stability of the fan blade during rotation is improved, and the reliability of the fan is improved.
The utility model is further provided that the connection port is in threaded connection with the elbow.
By adopting the structure, the installation of the water inlet cylinder can be facilitated, so that the installation convenience is improved.
The utility model is further arranged in such a way that a boss which is in threaded connection with the elbow is arranged at the position, located at the connecting port, of the top of the water inlet cylinder and is upwards arranged, and a locking sleeve which is in threaded connection with the outer circumferential wall of the boss is sleeved on the elbow.
In the structure, the boss is arranged to improve the connection strength between the water inlet cylinder and the elbow, and the boss is matched with the locking sleeve to further improve the connection strength between the water inlet cylinder and the elbow, so that the stability of the water inlet cylinder is improved, and the reliability of the water inlet cylinder is improved.
The utility model is further provided that the connecting end is connected with the ball body in a threaded manner, and the connecting section is connected and fixed on the ball body.
In the structure, the ball body is arranged, so that the stirring rod can be conveniently disassembled and assembled relative to the transmission rod through the ball body, the stirring rod is convenient to disassemble, assemble, clean and replace, and the convenience of the stirring rod is improved.
The utility model is further provided that the side wall of the stirring rod in the rotation direction is arranged in two symmetrically connected inclined planes.
By adopting the structure, the resistance on the blades when the stirring rod is driven to rotate by the transmission rod can be reduced, so that the service life and the stability of the stirring rod are improved.
The utility model is further arranged in such a way that a positioning ring is arranged on the connecting end above the ball body, and a parallel bearing which is propped against the positioning ring is sleeved on the transmission rod between the positioning ring and the bottom surface of the water inlet cylinder.
In the structure, the positioning ring is arranged to prevent the fan blade from moving upwards, so that the fan blade is limited, and the reliability of the fan is improved. By arranging the parallel bearing, the resistance to the rotation of the fan blade when the limiting ring is abutted against the bottom of the water inlet cylinder can be reduced, so that the stability of the rotation of the fan blade is improved, and the reliability of the utility model is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the blocking mechanism of the present invention.
Fig. 3 is a schematic sectional view of the blocking mechanism of the present invention.
Fig. 4 is a schematic structural view of the water guide cover of the present invention.
The reference numbers in the figures mean: 1-a base; 2-a water environment detection mechanism; 3-a water inlet pipe head; 4-lifting a sliding table; 5-a blocking mechanism; 6-bending the pipe; 51-a water inlet cylinder; 52-fan blades; 53-water guiding cover; 54-a transmission rod; 55-a connecting rod; 56-a stirring rod; 511-water inlet cavity; 512-water inlet hole; 7-a filter screen; 531-water guiding channel; 532-fixed plate; 541-a connecting end; 561-a connection section; 562-a barrier segment; 8-a limit ring; 513-a boss; 61-a locking sleeve; 9-sphere; 542-a positioning ring; 543-parallel bearing.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, back, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
As shown in fig. 1 to 4, the urban river water environment detection device comprises a base 1, a water environment detection mechanism 2, a water inlet pipe head 3, a lifting sliding table 4 arranged on the base 1, and a blocking mechanism 5, wherein the water inlet pipe head 3 is connected with a downward elbow 6, the blocking mechanism 5 comprises a water inlet cylinder 51, a fan blade 52, a water guide cover 53, a transmission rod 54, a connection rod 55 and a stirring rod 56, the top of the water inlet cylinder 51 is provided with a connection port adapted to the port of the elbow 6, a water inlet cavity 511 communicated with the elbow 6 is arranged in the water inlet cylinder 51, the bottom end of the outer circumferential wall of the water inlet cylinder 51 is provided with a water inlet hole 512 communicated with the water inlet cavity 511, the water inlet hole 512 is covered with a filter screen 7, the water guide cover 53 is fixed in the port at which the elbow 6 is connected with the water inlet cylinder 51, the water guide cover 53 is provided with a water guide channel 531 coaxial with the elbow 6, the port of one end that water guide cover 53 is connected with elbow 6 is equipped with fixed plate 532, connecting rod 55 one end passes through the bearing and links to each other with fixed plate 532, and the other end links to each other with flabellum 52, transfer line 54 one end links to each other and sets up with the connecting rod 55 is coaxial, and the other end runs through into a section of thick bamboo 51 bottom, forms link 541, puddler 56 includes the linkage segment 561 that links to each other with link 541 and connects in the link 541 outer end and be located the outside section 562 of blockking of the outer peripheral wall of link 541, link 541 sets up for a 51 bottom surface level of intaking, it sets up for 51 direction of height of intaking relatively section 562, the rotation of section 562 accessible flabellum 52 realizes intaking relatively and section 51 axial direction rotates.
In the structure, water is pumped by the water pump, water enters the water inlet cavity 511 in the water inlet cylinder 51 from the water inlet 512, enters the elbow 6 through the water guide channel 531, enters the water inlet pipe head 3 and is conveyed to the water environment detection mechanism 2. When the water enters the elbow 6 through the water guide channel 531, the fan blade 52 is rotated by water resistance to drive the transmission rod 54 and the connecting rod 55 to axially rotate, the transmission rod 54 drives the stirring rod 56 to rotate, and impurities such as aquatic weeds are blocked by the blocking section 562 of the stirring rod 56 to rotate relative to the circumferential direction of the water inlet cylinder 51, so that the influence of the impurities such as the aquatic weeds on the sampling process is avoided, and the accuracy of sampling the water quality in different areas and different depths in the water is improved. The filter screen 7 is arranged to further filter, so that the water inlet 512 is prevented from being plugged, and the reliability of the utility model is improved. The fan blade 52 can be conveniently fixed with the fixing plate 532 through the connecting rod 55 by the water guide cover 53, the positioning and the installation of the fan blade 52 are convenient, and the direction of water entering can be guided by the water guide cover 53, so that the fan blade 52 can be conveniently driven to rotate, and the convenience and the reliability of the fan blade fixing device are improved. The connection rod 55 and the fixing plate 532 are connected through a bearing, so that resistance applied when the fan blades 52 drive the connection rod 55 to rotate can be avoided, and the reliability of the utility model is improved. The coaxiality of the fan blades 52, the water guide cover 53 and the elbow 6 can be improved by arranging the connecting rods 55, so that the rotating stability of the fan blades 52 is improved, and the reliability of the fan blade rotating mechanism is improved.
In this embodiment, the bottom end of the water guiding cover 53 is disposed downward in a flaring shape, and the fan blade 52 is located in the flaring shape.
By adopting the structure, when water enters the elbow 6 through the water guide channel 531, the rotation of the fan blades 52 can be conveniently driven, and the water guide cover 53 is arranged into a trumpet shape, so that the limiting installation of the water guide cover 53 can be conveniently realized, and the reliability and the convenience of the utility model are improved.
In this embodiment, the top end of the connecting rod 55 is provided with a limiting ring 8 screwed with the connecting rod and located above the fixing plate 532.
By adopting the structure, the fan blade 52 can be limited and prevented from falling off downwards, so that the stability of the fan blade 52 in rotation is improved, and the reliability of the fan is improved.
In this embodiment, the connection port is connected to the elbow 6 by a screw thread.
By adopting the structure, the installation of the water inlet cylinder 51 can be facilitated, so that the installation convenience of the utility model is improved.
In this embodiment, the top of the water inlet cylinder 51 is located at the connecting port and is provided with a boss 513 screwed with an elbow 6 upwards, and the elbow 6 is sleeved with a locking sleeve 61 screwed with the outer circumferential wall of the boss 513.
In the above structure, the boss 513 is arranged to improve the connection strength between the water inlet cylinder 51 and the elbow 6, and the boss is matched with the locking sleeve 61 to further improve the connection strength between the water inlet cylinder 51 and the elbow 6, so that the stability of the water inlet cylinder 51 is improved, and the reliability of the present invention is improved.
In this embodiment, the connection end 541 is screwed with the ball 9, and the connection section 561 is connected and fixed to the ball 9.
In the structure, the ball body 9 is arranged, so that the stirring rod 56 can be conveniently disassembled and assembled relative to the transmission rod 54 through the ball body 9, the stirring rod 56 is conveniently disassembled, cleaned and replaced, and the convenience of the utility model is improved.
In this embodiment, the side walls of the stirring rod 56 in the rotation direction are arranged as two symmetrically connected inclined planes.
By adopting the structure, the resistance on the fan blades 52 when the transmission rod 54 drives the stirring rod 56 to rotate can be reduced, so that the service life and the stability of the fan are improved.
In this embodiment, a positioning ring 542 is disposed above the ball 9 on the connection end 541, and a parallel bearing 543 abutting against the positioning ring 542 is sleeved on the transmission rod 54 between the positioning ring 542 and the bottom surface of the water inlet barrel 51.
In the above structure, the positioning ring 542 can prevent the fan blade 52 from moving upwards, so that the fan blade 52 is limited, and the reliability of the present invention is improved. By arranging the parallel bearing 543, the resistance to the rotation of the fan blades 52 when the limiting ring 8 abuts against the bottom of the water inlet cylinder 51 can be reduced, so that the stability of the rotation of the fan blades 52 is improved, and the reliability of the utility model is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.
Claims (8)
1. The utility model provides an urban river water environment detection device, includes base, water environment detection mechanism, water pipe head and establishes the lift slip table on the base, its characterized in that: the water inlet pipe is characterized by further comprising a blocking mechanism, an elbow which is arranged downwards is connected to the water inlet pipe head, the blocking mechanism comprises a water inlet cylinder, blades, a water guide cover, a transmission rod, a connecting rod and a stirring rod, a connecting port which is matched with the port of the elbow is formed in the top of the water inlet cylinder, a water inlet cavity communicated with the elbow is formed in the water inlet cylinder, a water inlet hole communicated with the water inlet cavity is formed in the bottom end of the outer circumferential wall of the water inlet cylinder, a filter screen is covered at the water inlet hole, the water guide cover is fixed in the port at one end, connected with the water inlet cylinder, of the elbow, a water guide channel coaxial with the elbow is formed in the water guide cover, a fixing plate is arranged at the port at one end, connected with the elbow, of the connecting rod is connected with the fixing plate through a bearing, the other end of the connecting rod is connected with the blades, the transmission rod is coaxially arranged with the connecting rod, and the other end of the transmission rod penetrates through the bottom of the water inlet cylinder, form the link, the puddler includes the linkage segment that links to each other with the link and connects in the link outer end and lie in the outside section of blockking of outer circumferential wall of connecting cylinder, the link is intake section of thick bamboo bottom surface level setting relatively, it sets up relatively to block section of thick bamboo direction of height of intaking, block the rotation of section accessible flabellum, realize intaking a section of thick bamboo axial direction relatively and rotate.
2. The urban river water environment detection device according to claim 1, wherein: the bottom end of the water guide cover is arranged in a flaring manner downwards, and the fan blades are positioned in the flaring.
3. The urban river water environment detection device according to claim 2, wherein: the top end of the connecting rod is provided with a limit ring which is in threaded connection with the connecting rod and is positioned above the fixing plate.
4. The urban river water environment detection device according to claim 1, wherein: the connecting port is connected with the elbow through threads.
5. The urban river water environment detection device according to claim 4, wherein: the top of the water inlet cylinder is located at the connecting port and is provided with a boss which is connected with the elbow in a threaded manner upwards, and the elbow is provided with a locking sleeve which is connected with the outer circumferential wall of the boss in a threaded manner.
6. The urban river water environment detection device according to claim 1, wherein: the connecting end is connected with a ball body in a threaded manner, and the connecting section is fixedly connected with the ball body.
7. The device for detecting the water environment of the urban river channel according to claim 6, wherein: the side wall of the stirring rod in the rotating direction is provided with two inclined planes which are symmetrically connected.
8. The device for detecting the water environment of the urban river channel according to claim 7, wherein: and a positioning ring is arranged above the ball body on the connecting end, and a parallel bearing which is abutted against the positioning ring is sleeved between the positioning ring and the bottom surface of the water inlet cylinder on the transmission rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121435480.6U CN215575054U (en) | 2021-06-25 | 2021-06-25 | Urban river water environment detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121435480.6U CN215575054U (en) | 2021-06-25 | 2021-06-25 | Urban river water environment detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215575054U true CN215575054U (en) | 2022-01-18 |
Family
ID=79820952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121435480.6U Expired - Fee Related CN215575054U (en) | 2021-06-25 | 2021-06-25 | Urban river water environment detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215575054U (en) |
-
2021
- 2021-06-25 CN CN202121435480.6U patent/CN215575054U/en not_active Expired - Fee Related
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Granted publication date: 20220118 |