CN109719092B - Take water quality monitoring and self-cleaning device's pump in pipe - Google Patents
Take water quality monitoring and self-cleaning device's pump in pipe Download PDFInfo
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- CN109719092B CN109719092B CN201811613426.9A CN201811613426A CN109719092B CN 109719092 B CN109719092 B CN 109719092B CN 201811613426 A CN201811613426 A CN 201811613426A CN 109719092 B CN109719092 B CN 109719092B
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Abstract
The invention discloses a tube pump with a water quality monitoring and automatic cleaning device, which comprises a tube sleeve body and a tube pump, wherein the tube pump is arranged in the tube sleeve body, the top of the pipe sleeve body is provided with a first flange, a second flange is arranged above the first flange, the first flange is matched with the second flange, a first pipe body is arranged above the second flange, a check valve is arranged above the first pipe body, a bottom plate is arranged at the bottom of the pipe sleeve body, a water inlet is arranged on the right side of the outer side of the pipe sleeve barrel close to the bottom plate, a water quality detection device and a pressure detection device are respectively arranged on the inner side of the lower part of the pipe sleeve barrel, the left side of the lower part of the pipe sleeve body is provided with an opening, the pipe sleeve body is positioned below the water quality detection device and is provided with a semi-arc push plate capable of pushing impurities precipitated in the pipe sleeve body to the opening, and an arc-shaped groove with the same radian as the semi-arc push plate is arranged on the bottom plate close to the opening.
Description
Technical Field
The invention relates to the technical field of water supply, in particular to a pump in a pipe with a water quality monitoring and automatic cleaning device.
Background
The existing pump in the pipe is generally provided with a water quality monitoring device, so that the content of particles in the pipe exceeds the standard and cannot be known, and the conventional cleaning in the pipe is complex.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the pump in the pipe with the water quality monitoring and automatic cleaning device, which has a simple structure and is convenient to use.
In order to achieve the purpose, the invention adopts the following scheme: a pump in pipe with water quality monitoring and automatic cleaning device comprises a pipe sleeve barrel and a pump in pipe, wherein the pump in pipe is arranged inside the pipe sleeve barrel, a first flange is arranged at the top of the pipe sleeve barrel, a second flange is arranged above the first flange, the first flange and the second flange are prepared, a first pipe body is arranged above the second flange, a check valve is arranged above the first pipe body, a bottom plate is arranged at the bottom of the pipe sleeve barrel, a water inlet is arranged at the right side of the outer side of the pipe sleeve barrel close to the bottom plate, a water quality detection device and a pressure detection device are respectively arranged at the inner side of the lower part of the pipe sleeve barrel, an opening is arranged at the left side of the lower part of the pipe sleeve barrel, a semi-arc-shaped push plate capable of pushing impurities precipitated in the pipe sleeve barrel to the opening is arranged below the water quality detection device, an arc-shaped groove with the same radian as the semi-arc-shaped push plate is arranged on the bottom plate close to the, the pipe sleeve is characterized in that a brushing mechanism capable of brushing the semi-arc-shaped push plate is arranged in the arc-shaped groove, guide grooves are vertically formed in the outer side of the pipe sleeve body and located on two sides of the opening respectively, movable blocks capable of moving up and down are movably arranged in the guide grooves, a sealing plate capable of sealing the opening is arranged between the movable blocks, and a linkage mechanism capable of enabling the semi-arc-shaped push plate to move towards the opening direction and driving the brushing mechanism simultaneously when the sealing plate moves upwards is arranged in the pipe sleeve body.
The in-pipe pump with the water quality monitoring and automatic cleaning device comprises a rotating rod movably arranged in an arc-shaped groove, wherein a first gear is arranged above a bottom plate on the rotating rod, an arc-shaped rack which is the same as the arc-shaped groove is arranged outside the arc-shaped groove on the bottom plate, the arc-shaped rack is meshed with the first gear, and a plurality of brush hairs are uniformly distributed above the first gear on the rotating rod.
The pump with the water quality monitoring and automatic cleaning device comprises a linkage mechanism, a water inlet pipe sleeve, a water outlet pipe sleeve, a sealing plate, a semi-arc push plate, a water inlet pipe sleeve, a water outlet pipe sleeve, a water outlet pipe sleeve, a water outlet pipe, a rotating shaft of the second bevel gear is inserted on a first supporting plate, a one-way ratchet wheel is arranged between the second bevel gear and the first supporting plate, a second supporting plate is arranged at the right side of the one-way ratchet wheel at the inner side of the pipe sleeve body, a first pawl is inserted on the bottom surface of the second supporting plate, a first torsion spring is arranged between the first pawl and the second supporting plate, the first pawl can limit the clockwise rotation of the one-way ratchet wheel, a convex block is arranged at the rear side of the first pawl, a top rod is hinged to one side of the second rack facing the first pawl, a second torsion spring is arranged at the hinged position of the top rod, a top block capable of jacking the convex block is arranged at the rear end of the top rod, a third supporting plate is arranged at one side of the inner side of the pipe sleeve body opposite to the first supporting plate, a first reel is arranged on the bottom surface of the third supporting plate, and a, the one-way ratchet wheel is provided with a second winding wheel, a line is arranged between the second winding wheel and the first winding wheel, a connecting block is transversely arranged at the upper end of the rotating rod, a through groove is formed in the middle of the connecting block, through holes are formed in the front side and the rear side of the connecting block, and the line penetrates through the through holes and is provided with a limiting block in the through groove.
The pump in pipe with the water quality monitoring and automatic cleaning device comprises a rotary table, wherein a plurality of notches are uniformly distributed on the rotary table in the circumferential direction, second pawls are hinged in the notches, the first pawls are matched with the second pawls, and elastic pieces are arranged between the inner sides of the second pawls and the notches.
According to the pump in pipe with the water quality monitoring and automatic cleaning device, the waterproof groove is formed in the position, corresponding to the sealing plate, of the bottom plate.
According to the pump in pipe with the water quality monitoring and automatic cleaning device, the second flange is respectively provided with the cable sealing element and the exhaust nozzle, and the power lines of the water quality detection device and the pressure detection device are prepared with the cable sealing element and sealed without leakage.
The pump in pipe with the water quality monitoring and automatic cleaning device is characterized in that a handle is arranged on the outer side of the sealing plate.
In summary, compared with the prior art, the invention has the beneficial effects that: the water quality detection device and the pressure detection device are arranged to respectively detect the particle content and the water pressure in water, when the particle content in water exceeds the standard, an alarm is given, an operator can move the sealing plate upwards, so that the linkage mechanism is driven to enable the semi-arc-shaped push plate to move towards the opening direction to push out impurities in the pipe, the semi-arc-shaped push plate is scrubbed through the scrubbing mechanism, the inner wall of the sealing plate is scrubbed by the pipe sleeve body while the sealing plate moves upwards, the impurities in the pipe sleeve body and the inner wall of the pipe sleeve body can be rapidly cleaned in the whole process, and the water quality detection device and the pressure detection device are simple in structure and convenient.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an exploded perspective view of the present invention.
Fig. 3 is a schematic semi-sectional perspective view of the present invention.
FIG. 4 is an enlarged perspective view of view A of FIG. 3 according to the present invention.
Fig. 5 is a schematic sectional perspective view of the present invention.
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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a pump in pipe with water quality monitoring and automatic cleaning device comprises a pipe sleeve body 1 and a pump in pipe 10, wherein the pump in pipe 10 is arranged inside the pipe sleeve body 1, a first flange 11 is arranged at the top of the pipe sleeve body 1, a second flange 12 is arranged above the first flange 11, the first flange 11 and the second flange 12 are prepared, a first pipe body 13 is arranged above the second flange 12, a check valve 14 is arranged above the first pipe body 13, a bottom plate 15 is arranged at the bottom of the pipe sleeve body 1, a water inlet 16 is arranged at the right side of the outer side of the pipe sleeve body 1 close to the bottom plate 15, a water quality detection device 17 and a pressure detection device 18 are respectively arranged at the inner side of the lower part of the pipe sleeve body 1, an opening 19 is arranged at the left side of the lower part of the pipe sleeve body 1, a semi-arc push plate 100 which can push impurities precipitated in the pipe sleeve body 1 to the opening 19 is arranged below the water quality detection device 17, an arc-shaped groove 101 with the same radian as the semi-arc-shaped push plate 100 is arranged on the bottom plate 15 close to the opening 19, a brushing mechanism 2 capable of brushing the semi-arc-shaped push plate 100 is arranged in the arc-shaped groove 101, guide grooves 102 are respectively vertically arranged on the two sides of the opening 19 on the outer side of the pipe sleeve barrel 1, a moving block 103 capable of moving up and down is movably arranged in the guide grooves 102, a sealing plate 104 capable of sealing the opening 19 is arranged between the moving blocks 103, a linkage mechanism 3 capable of enabling the semi-arc-shaped push plate 100 to move towards the opening 19 and simultaneously driving the brushing mechanism 2 when the sealing plate 104 moves upwards is arranged in the pipe sleeve barrel 1, when in use, the water quality detection device 17 and the pressure detection device 18 are arranged to respectively detect the content of particles in water and the water pressure, when the content of the particles in the water exceeds the standard, an alarm is given, and an, thereby drive link gear 3 makes half arc push pedal 100 remove to opening 19 direction and release intraductal impurity to scrub through scrubbing mechanism 2 half arc push pedal 100, pipe sleeve barrel 1 scrapes the washing to shrouding 104 inner wall when shrouding 104 rebound, impurity and pipe sleeve barrel 1 inner wall in the washing pipe sleeve barrel 1 that whole process can be swift, and simple structure, convenient to use.
The brushing mechanism 2 comprises a rotating rod 20 movably arranged in an arc-shaped groove 101, a first gear 21 is arranged on the rotating rod 20 above a bottom plate 15, an arc-shaped rack 22 with the same radian as the arc-shaped groove 101 is arranged on the bottom plate 15 and outside the arc-shaped groove 101, the arc-shaped rack 22 is meshed with the first gear 21, a plurality of bristles 23 are uniformly distributed on the rotating rod 20 above the first gear 21, and when the brushing mechanism is used, the rotating rod 20 moves along the arc-shaped groove 101 so that the arc-shaped rack 22 drives the first gear 21 to rotate, and the function of rotatably cleaning the side surface of the semi-arc-shaped push plate 100 is achieved.
The linkage mechanism 3 of the invention comprises through holes 30 longitudinally penetrating through both sides of the lower part of a pipe sleeve body 1, a rotating shaft 31 is inserted between the two through holes 30, the rotating shaft 31 is connected with the through holes 30 in a sealing way, both ends of the rotating shaft 31 penetrate through the pipe sleeve body 1 and are provided with second gears 32, the second gears 32 are positioned at the right side of a sealing plate 104, the side surface of the sealing plate 104 opposite to the second gears 32 is provided with a first rack 33, the second gears 32 are meshed with the first rack 33, the rotating shaft 31 is provided with third gears 34 positioned inside the pipe sleeve body 1, the lower sides of the third gears 34 are meshed with second racks 35, the second racks 35 are arranged at the top of a semi-arc push plate 100, a first bevel gear 36 is arranged on the rotating shaft 31 and positioned inside the pipe sleeve body 1, a second bevel gear 37 is meshed at the lower side of the first bevel gear 36, a first supporting plate 38 is arranged at the inner side of the pipe sleeve body 1 and below the second bevel gear 37, a rotating shaft of the second bevel gear 37 is inserted in the first support plate 38, a one-way ratchet wheel 39 is arranged between the second bevel gear 37 and the first support plate 38, a second support plate 300 is arranged at the inner side of the tube sleeve body 1 and positioned at the right side of the one-way ratchet wheel 39, a first pawl 301 is inserted in the bottom surface of the second support plate 300, a first torsion spring 302 is arranged between the first pawl 301 and the second support plate 300, the first pawl 301 can limit the clockwise rotation of the one-way ratchet wheel 39, a convex block 303 is arranged at the rear side of the first pawl 301, a top rod 304 is hinged to one side of the second rack 35 facing the first pawl 301, a second torsion spring is arranged at the hinged position of the top rod 304, a top block 305 capable of pressing the convex block 303 is arranged at the rear end of the top rod 304, a third support plate 306 is arranged at the side of the inner side of the tube sleeve body 1 opposite to the first support plate 38, and a first reel 307, a coil spring 308 is arranged between the first coiling wheel 307 and the third supporting plate 306, a second coiling wheel 309 is arranged on the one-way ratchet wheel 39, a wire 310 is arranged between the second coiling wheel 309 and the first coiling wheel 307, a connecting block 311 is transversely arranged at the upper end of the rotating rod 20, a through groove 312 is arranged in the middle of the connecting block 311, through holes 313 are arranged at the front side and the rear side of the connecting block 311, the wire 310 passes through the through holes, and a limit block 314 is arranged in the through groove 312, when in use, the sealing plate 104 moves upwards, so that the first rack 33 drives the second gear 32 to rotate, so that the third gear 34 drives the second rack 35 to rotate, the semi-arc push plate 100 on the second rack 35 moves towards the opening 19, and the first bevel gear 36 drives the second bevel gear 37 to rotate, so that the one-way ratchet wheel 39 rotates anticlockwise, so that the second coiling wheel 309 winds, so that the limit block 314 pushes the rotating rod 20 to, when the semi-arc push plate 100 moves to the right position, the ejector rod 304 is reset through the second torsion spring, meanwhile, the ejector block 305 pushes the bump 303 to enable the first pawl 301 to unlock the one-way ratchet wheel 39, the coil spring 308 enables the first coiling wheel 307 to reset, therefore, the rotating rod 20 moves from the rear side to the front side, and meanwhile, the moving process rotates to brush the semi-arc push plate 100.
The one-way ratchet wheel 39 comprises a rotary disc 40, a plurality of notches 41 are uniformly distributed on the circumference of the rotary disc 40, a second pawl 42 is hinged in each notch 41, the first pawl 301 is matched with the second pawl 42, an elastic sheet 43 is arranged between the inner side of the second pawl 42 and each notch 41, and when the one-way ratchet wheel is used, the second pawl 42 rotates outwards through the elastic sheet 43, so that the second pawl 42 is meshed with the first pawl 301.
The bottom plate 15 of the present invention is provided with the waterproof groove 50 at a position corresponding to the closing plate 104, and the waterproof groove 50 is provided to effectively prevent water leakage.
The second flange 12 is respectively provided with a cable sealing element 60 and an exhaust nozzle 61, power lines of the water quality detection device 17 and the pressure detection device 18 and the cable sealing element 60 are prepared and sealed without leakage, the power lines of the water quality detection device 17 and the pressure detection device 18 can penetrate through the cable sealing element 60, and a waterproof effect is achieved.
The outer side of the sealing plate 104 is provided with the handle 70, so that the sealing plate 104 can be conveniently lifted by the handle 70 when in use.
While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a take water quality monitoring and self-cleaning device's pump in pipe, pump (10) in pipe sleeve barrel (1) and pipe, pump (10) set up inside pipe sleeve barrel (1) in the pipe sleeve barrel (1) top is equipped with first flange (11) top is equipped with second flange (12), first flange (11) are prepared with second flange (12) top is equipped with first body (13) top is equipped with check valve (14), its characterized in that: the pipe sleeve is characterized in that a bottom plate (15) is arranged at the bottom of a pipe sleeve body (1), a water inlet (16) is arranged on the outer side of the pipe sleeve body (1) close to the right side of the bottom plate (15), a water quality detection device (17) and a pressure detection device (18) are respectively arranged on the inner side of the lower portion of the pipe sleeve body (1), an opening (19) is arranged on the left side of the lower portion of the pipe sleeve body (1), a semi-arc-shaped push plate (100) capable of pushing impurities precipitated in the pipe sleeve body (1) to the opening (19) is arranged below the water quality detection device (17) of the pipe sleeve body (1), an arc-shaped groove (101) with the same radian as the semi-arc-shaped push plate (100) is arranged on the bottom plate (15) close to the opening (19), a brushing mechanism (2) capable of brushing the semi-arc-shaped push plate (100) is arranged in the arc-shaped groove (101), guide grooves (102) are respectively vertically, the pipe sleeve barrel is characterized in that movable blocks (103) capable of moving up and down are movably arranged in the guide grooves (102), sealing plates (104) capable of sealing the openings (19) are arranged between the movable blocks (103), and a linkage mechanism (3) capable of enabling the semi-arc push plate (100) to move towards the openings (19) and simultaneously driving the brushing mechanism (2) when the sealing plates (104) move upwards is arranged in the pipe sleeve barrel body (1).
2. The pump in pipe with the water quality monitoring and automatic cleaning device according to claim 1, characterized in that the brushing mechanism (2) comprises a rotating rod (20) movably arranged in an arc-shaped groove (101), a first gear (21) is arranged above a bottom plate (15) on the rotating rod (20), an arc-shaped rack (22) with the same radian as the arc-shaped groove (101) is arranged outside the arc-shaped groove (101) on the bottom plate (15), the arc-shaped rack (22) is meshed with the first gear (21), and a plurality of bristles (23) are uniformly distributed above the first gear (21) on the rotating rod (20).
3. The pump with the water quality monitoring and automatic cleaning device in the pipe as claimed in claim 2, wherein the linkage mechanism (3) comprises through holes (30) longitudinally penetrating through both sides of the lower portion of the pipe sleeve body (1), a rotating shaft (31) is inserted between the two through holes (30), the rotating shaft (31) is connected with the through holes (30) in a sealing manner, two ends of the rotating shaft (31) penetrate through the pipe sleeve body (1) and are provided with second gears (32), the second gears (32) are positioned on the right side of the closing plate (104), the closing plate (104) and the side face of the second gears (32) opposite are provided with first racks (33), the second gears (32) are meshed with the first racks (33), a third gear (34) is arranged inside the pipe sleeve body (1) on the rotating shaft (31), and a second rack (35) is meshed with the lower side of the third gear (34), the second rack (35) is arranged at the top of the semi-arc push plate (100), a first bevel gear (36) is arranged inside the pipe sleeve body (1) on the rotating shaft (31), a second bevel gear (37) is meshed at the lower side of the first bevel gear (36), a first support plate (38) is arranged below the second bevel gear (37) on the inner side of the pipe sleeve body (1), the rotating shaft of the second bevel gear (37) is inserted into the first support plate (38), a one-way ratchet wheel (39) is arranged between the second bevel gear (37) and the first support plate (38), a second support plate (300) is arranged on the right side of the one-way ratchet wheel (39) on the inner side of the pipe sleeve body (1), a first pawl (301) is inserted into the bottom surface of the second support plate (300), and a first torsion spring (302) is arranged between the first pawl (301) and the second support plate (300), the first pawl (301) can limit a one-way ratchet wheel (39) to rotate clockwise, a convex block (303) is arranged on the rear side of the first pawl (301), a top rod (304) is hinged to one side, facing the first pawl (301), of the second rack (35), a second torsion spring is arranged at the hinged position of the top rod (304), a top block (305) capable of pressing the convex block (303) is arranged at the rear end of the top rod (304), a third supporting plate (306) is arranged on one side, opposite to the first supporting plate (38), of the inner side of the sleeve body (1), a first wire winding wheel (307) is arranged on the bottom surface of the third supporting plate (306), a coil spring (308) is arranged between the first wire winding wheel (307) and the third supporting plate (306), a second wire winding wheel (309) is arranged on the one-way ratchet wheel (39), and a wire (310) is arranged between the second wire winding wheel (309) and the first wire winding wheel (307), dwang (20) upper end transversely is equipped with connecting block (311) middle part is equipped with logical groove (312) both sides are equipped with through-hole (313) around connecting block (311), line (310) pass the through-hole and are equipped with stopper (314) in logical groove (312).
4. The pump in pipe with the water quality monitoring and automatic cleaning device according to claim 3, wherein the one-way ratchet wheel (39) comprises a rotating disc (40), a plurality of notches (41) are uniformly distributed on the circumference of the rotating disc (40), a second pawl (42) is hinged in each notch (41), the first pawl (301) is matched with the second pawl (42), and an elastic sheet (43) is arranged between the inner side of each second pawl (42) and each notch (41).
5. The pump with water quality monitoring and automatic cleaning device as claimed in claim 4, wherein the bottom plate (15) is provided with a waterproof groove (50) at a position corresponding to the closing plate (104).
6. The pump with the water quality monitoring and automatic cleaning device is characterized in that the second flange (12) is respectively provided with a cable sealing element (60) and an exhaust nozzle (61), and power lines of the water quality detection device (17) and the pressure detection device (18) are matched with the cable sealing element (60) and sealed without leakage.
7. The pump with water quality monitoring and automatic cleaning functions as claimed in claim 6, wherein a handle (70) is arranged outside the sealing plate (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613426.9A CN109719092B (en) | 2018-12-27 | 2018-12-27 | Take water quality monitoring and self-cleaning device's pump in pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613426.9A CN109719092B (en) | 2018-12-27 | 2018-12-27 | Take water quality monitoring and self-cleaning device's pump in pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109719092A CN109719092A (en) | 2019-05-07 |
| CN109719092B true CN109719092B (en) | 2021-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811613426.9A Active CN109719092B (en) | 2018-12-27 | 2018-12-27 | Take water quality monitoring and self-cleaning device's pump in pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109719092B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180012168A (en) * | 2016-07-26 | 2018-02-05 | 남창운 | A water pipe cleaning device |
| CN108554951A (en) * | 2018-01-08 | 2018-09-21 | 惠安贤江金刚石工具开发有限公司 | A kind of Quick cleaning device for natural gas line |
| CN208013196U (en) * | 2017-12-07 | 2018-10-26 | 山东君成环境检测有限公司 | A kind of sewage quality detection device being convenient to clean |
| CN208116328U (en) * | 2018-02-01 | 2018-11-20 | 深圳市南星海洋工程服务有限公司 | A kind of large diameter pipeline cleaning device |
| CN108870272A (en) * | 2018-07-26 | 2018-11-23 | 王淑琴 | A kind of self-cleaning solar street light |
| CN108871506A (en) * | 2018-07-18 | 2018-11-23 | 黑龙江省林业科学研究所 | A kind of hydrologic monitoring device |
| CN108889734A (en) * | 2018-07-11 | 2018-11-27 | 协建（江苏）智能装备有限公司 | A kind of petrochemical industry tube cleaning arrangement |
-
2018
- 2018-12-27 CN CN201811613426.9A patent/CN109719092B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180012168A (en) * | 2016-07-26 | 2018-02-05 | 남창운 | A water pipe cleaning device |
| CN208013196U (en) * | 2017-12-07 | 2018-10-26 | 山东君成环境检测有限公司 | A kind of sewage quality detection device being convenient to clean |
| CN108554951A (en) * | 2018-01-08 | 2018-09-21 | 惠安贤江金刚石工具开发有限公司 | A kind of Quick cleaning device for natural gas line |
| CN208116328U (en) * | 2018-02-01 | 2018-11-20 | 深圳市南星海洋工程服务有限公司 | A kind of large diameter pipeline cleaning device |
| CN108889734A (en) * | 2018-07-11 | 2018-11-27 | 协建（江苏）智能装备有限公司 | A kind of petrochemical industry tube cleaning arrangement |
| CN108871506A (en) * | 2018-07-18 | 2018-11-23 | 黑龙江省林业科学研究所 | A kind of hydrologic monitoring device |
| CN108870272A (en) * | 2018-07-26 | 2018-11-23 | 王淑琴 | A kind of self-cleaning solar street light |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109719092A (en) | 2019-05-07 |
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| CB03 | Change of inventor or designer information |
Inventor after: Wu Xifeng Inventor after: Ling Huangyu Inventor after: Ling Kaifa Inventor before: Ling Kaifa |
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| GR01 | Patent grant |