CN111335205A - Self-cleaning type highway sign - Google Patents
Self-cleaning type highway sign Download PDFInfo
- Publication number
- CN111335205A CN111335205A CN202010223464.4A CN202010223464A CN111335205A CN 111335205 A CN111335205 A CN 111335205A CN 202010223464 A CN202010223464 A CN 202010223464A CN 111335205 A CN111335205 A CN 111335205A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- sign body
- sign
- treatment chamber
- front side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009194 climbing Effects 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 description 17
- 229920001821 foam rubber Polymers 0.000 description 11
- 238000009434 installation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a self-cleaning type highway sign, which comprises a mounting post arranged on the ground, wherein a treatment chamber is arranged in the mounting post, the upper end of the mounting post is fixedly connected with a water storage tank, one side of the water storage tank is provided with a water inlet hopper for water inlet, the upper end of the water storage tank is provided with a flexible plate, the water storage tank is communicated with the treatment chamber through an opening, a reticular plate is fixedly connected in the opening, a piston is connected in the opening in a sliding manner, the lower end of the piston is elastically connected with the upper end of the reticular plate through a telescopic spring, the upper end of the piston is fixedly connected with a connecting rod, one end of the connecting rod, far away from the piston, is fixedly connected with the lower end of the flexible plate. This sign can realize cleaning its surface automatically for the sign is in a good state of bandwagon effect all the time, has eliminated artifical climbing and has cleaned produced potential safety hazard, has reduced the use of manpower.
Description
Technical Field
The invention relates to the field of road traffic, in particular to a self-cleaning type road sign.
Background
Road signs are signs marked with road traffic signs, generally located on both sides of a highway, and used for indicating the routes of pedestrians or vehicles coming and going, but the existing road signs have the following problems.
1. Because the sign is located the highway, a large amount of dusts can be raised to past vehicle, especially the near road of building site or the other sign of native road, and these dusts are very easy just the adhesion at the sign, and the sign on the sign of long-term adhesion dust is sheltered from, and the discernment of giving pedestrian and vehicle driver who comes and goes has brought very big inconvenience.
2. The sign is so generally set up in higher position for the convenience pedestrian and vehicle are watched, but because its position is higher, if want to clear away surperficial dust, need pass through some climbing devices, and is very troublesome, not only consumes the manpower but also has certain potential safety hazard.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a self-cleaning type road sign which can automatically clean the surface of the sign, so that the sign is always in a good display effect state, the potential safety hazard caused by cleaning by manual climbing is eliminated, and the use of manpower is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-cleaning type road sign comprises a mounting post arranged on the ground, a treatment chamber is arranged in the mounting post, a water storage tank is fixedly connected to the upper end of the mounting post, a water inlet hopper for water inlet is arranged on one side of the water storage tank, a flexible plate is arranged at the upper end of the water storage tank, the water storage tank is communicated with the treatment chamber through an opening, a mesh plate is fixedly connected in the opening, a piston is connected in the opening in a sliding manner, the lower end of the piston is elastically connected with the upper end of the mesh plate through a telescopic spring, a connecting rod is fixedly connected to the upper end of the piston, one end of the connecting rod, far away from the piston, is fixedly connected with the lower end of the flexible plate, guide mechanisms for guiding are arranged on two sides of the connecting rod respectively, each guide mechanism comprises a sliding rod fixed, a sign body is fixedly connected to one side of the mounting column, a permanent magnet and an electromagnetic strip are fixedly connected to the front side of the sign body, a power generation mechanism is arranged in the treatment chamber, the power generation mechanism comprises a copper wire frame arranged on the front side of the sign body, two ends of the copper wire frame are respectively electrically connected with two ends of the electromagnetic strip, the permanent magnet is positioned in the copper wire frame, a rotating shaft rotatably connected with the inner wall of the treatment chamber is arranged in the treatment chamber, the rotating shaft is uniformly and fixedly connected with a plurality of rotating plates along the circumferential direction of the rotating shaft, one side of one rotating plate, which is far away from the rotating shaft, is fixedly connected with a magnetic block, a cleaning mechanism for cleaning dust on the front side of the sign body is arranged on the front side of the sign body, the cleaning mechanism comprises a magnetic hollow plate arranged on the front side of the sign body, one side of the sign body, which, the utility model discloses a sign body, including sign body, installation casing, hollow board, sponge pad, the hollow board of magnetism, the link of clockwork spring run through the installation casing and with one side fixed connection of the hollow board of magnetism, the hollow board of magnetism is fixed connection with sponge pad on one side of the relative sign body of the hollow board of magnetism, the sponge pad is with the preceding lateral wall sliding connection of sign body, one side that the hollow board of magnetism is close to the sponge pad is equipped with a plurality of apopores, the sign body is close to two T shape sliders of a side symmetry fixed connection of sign body, the front side of sign body is seted up.
Preferably, the lower end of the water outlet is fixedly connected with a guide hopper for guiding water flow.
Preferably, the upper end of sign body is equipped with folding gasbag, the both ends of folding gasbag respectively with hollow board of magnetism and erection column fixed connection, the left end of folding gasbag passes through inlet tube and treatment chamber intercommunication, the inlet tube is kept away from folding gasbag left end one end and is located the interior bottom of treatment chamber, the right-hand member of folding gasbag passes through the inside intercommunication of outlet pipe and the hollow board of magnetism, all install the check valve in inlet tube and the outlet pipe.
Preferably, the front side of the indication board body is fixedly connected with a supporting strip used for extruding sewage from the sponge pad.
Compared with the prior art, the invention has the beneficial effects that:
1. the device is provided with a magnetic hollow plate, an electric magnetic strip and a power generation mechanism, when wind is generated, the airflow above a flexible plate is larger, the pressure intensity at one end with high gas flow speed is small according to Bernoulli principle, so the pressure intensity at the lower end of the flexible plate is larger than the pressure intensity at the upper end, the flexible plate starts to bend upwards, the flexible plate moves a connecting rod, the connecting rod enables a piston to leave an opening, the opening is in a conduction state, at the moment, water flow falls onto one rotating plate through a guide hopper, the rotating plate rotates anticlockwise, in the process that one rotating plate with a magnetic block is close to and far away from the permanent magnet, a copper wire frame and the magnetic block move relatively, so that the cutting magnetic block and the permanent magnet form a magnetic field, induced current is generated by the change of magnetic flux, the electromagnetic strip is electrified to generate magnetic force, the magnetic hollow, when the rotating plate with the magnetic block is far away from the magnetic block, a formed magnetic field disappears, the magnetic flux does not change any more, the current disappears, the magnetic force generated by the electromagnetic strip disappears, the magnetic hollow plate moves back to the original position from the right under the elastic action of the spring, the rotating plate is driven to rotate along with the rotating shaft, the magnetic hollow plate moves left and right all the time to form a reciprocating motion, and the spongy cushion on the magnetic hollow plate cleans the surface of the indicator body, so that the cleaning is realized, the manual cleaning is not needed, and the operation is very convenient.
2. Be provided with folding gasbag, be full of water in the folding gasbag under the initial condition, when the hollow board of magnetism receives magnetic force to move left, can impress folding gasbag normal water in the hollow board of magnetism through the outlet pipe, then overflow to the foam-rubber cushion from a plurality of apopores, when the hollow board of magnetism receives clockwork spring's pulling force right branch to move, can with the treatment chamber in the folding gasbag of water suction of bottom, and when moving to the position of supporting the strip on the right side, can push down the sewage in the foam-rubber cushion, through the cleaning of water and the combination of foam-rubber cushion, greatly increased clear effect.
Drawings
FIG. 1 is a schematic structural view of a self-cleaning type road sign according to the present invention;
FIG. 2 is an enlarged schematic view of a self-cleaning type road signboard A according to the present invention;
FIG. 3 is an enlarged schematic structural view of a self-cleaning type road signboard B according to the present invention;
FIG. 4 is a schematic cross-sectional view of a self-cleaning type road sign C-C according to the present invention;
fig. 5 is a schematic view of an embodiment 2 of the self-cleaning type road sign provided by the invention.
Fig. 6 is a schematic view of the working state of the self-cleaning type road sign in embodiment 2 of the invention.
Fig. 7 is an enlarged schematic view of a self-cleaning type road signboard D according to the present invention.
In the figure: 1 storage water tank, 2 connecting rods, 3 flexible plates, 4 water inlet hoppers, 5 guide hoppers, 6 mounting columns, 7 treatment chambers, 8 indicator bodies, 9T-shaped grooves, 10 water outlet pipes, 11 magnetic hollow plates, 12 mounting shells, 13 clockwork spring, 14 sliding rods, 15 pistons, 16 telescopic springs, 17 reticular plates, 18 supporting strips, 19 openings, 20 rotating plates, 21 rotating shafts, 22 magnetic blocks, 23 water outlets, 24 permanent magnets, 25 electromagnetic strips, 26 copper wire frames, 27T-shaped sliding blocks, 28 water outlet holes, 29 sponge pads, 30 water inlet pipes and 31 folding air bags.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-4, a self-cleaning formula highway sign, including installing at subaerial erection column 6, be equipped with treatment chamber 7 in the erection column 6, the upper end fixedly connected with storage water tank 1 of erection column 6, one side of storage water tank 1 is equipped with the fill 4 of intaking that is used for intaking, flexbile plate 3 is installed to storage water tank 1's upper end, flexbile plate 3 can adopt PVC soft board etc, storage water tank 1 communicates through opening 19 with treatment chamber 7, fixedly connected with reticular lamina 17 in the opening 19, sliding connection has piston 15 in the opening 19, the lower extreme of piston 15 passes through the upper end elastic connection of expanding spring 16 with reticular lamina 17, the upper end fixedly connected with connecting rod 2 of piston 15, the one end that piston 15 was kept away from to connecting rod 2 and the lower extreme fixed connection of flexbile plate 3, the both sides of connecting rod 2 all are equipped with the.
Wherein, guiding mechanism is including fixing the slide bar 14 in connecting rod 2 both sides, and the both sides of storage water tank 1 all are equipped with the spout with slide bar 14 matched with, can avoid the skew that produces when connecting rod 2 shifts up through guiding mechanism's setting.
Wherein, one side of the mounting post 6 is fixedly connected with a sign body 8, the sign body 8 is a large road sign in general, the front side of the sign body 8 is fixedly connected with a permanent magnet 24 and an electromagnetic strip 25, a power generation mechanism is arranged in the treatment chamber 7 and comprises a copper wire frame 26 arranged at the front side of the sign body 8, two ends of the copper wire frame 26 are respectively electrically connected with two ends of the electromagnetic strip 25, the permanent magnet 24 is positioned in the copper wire frame 26, a rotating shaft 21 rotatably connected with the inner wall of the treatment chamber 7 is arranged in the treatment chamber 7, the rotating shaft 21 is uniformly and fixedly connected with a plurality of rotating plates 20 along the circumferential direction, one side of one rotating plate 20 far away from the rotating shaft 21 is fixedly connected with a magnetic block 22, the mounting post 6 is made of high-strength plastics and can not influence the magnetic field formed between the permanent magnet 24 and the magnetic block 22, the front side of the sign, clean the mechanism including setting up the hollow board 11 of magnetism in sign body 8 front side, sign body 8 keeps away from one side fixedly connected with installation casing 12 of erection column 6, install clockwork spring 13 in the installation casing 12, the link of clockwork spring 13 run through installation casing 12 and with one side fixed connection of the hollow board 11 of magnetism, the hollow board 11 of magnetism is fixed connection with foam-rubber cushion 29 in 8 one side of the relative sign body of sign body, foam-rubber cushion 29 and the preceding lateral wall sliding connection of sign body 8, one side that the hollow board 11 of magnetism is close to foam-rubber cushion 29 is equipped with a plurality of apopores 28, sign body 8 is close to two T shape sliders 27 of one side symmetry fixedly connected with of sign body 8, sign body 8's front side is seted up two respectively with two T shape slider 27 assorted T-slot 9.
Wherein, the lower extreme fixedly connected with of delivery port 23 is used for leading the direction fill 5 of rivers for rivers can fall on rotor plate 20 completely, makes pivot 21 can take rotor plate 20 to rotate.
In the invention, rainwater can enter the water storage tank 1 from the water inlet hopper 4 in rainy days, when a gust of wind blows, airflow above the flexible plate 3 is large, according to Bernoulli's principle, the pressure intensity at one end with high gas flow speed is small, the pressure intensity at the lower end of the flexible plate 3 is larger than the pressure intensity at the upper end, the flexible plate 3 starts to bend upwards, the flexible plate 3 drives the connecting rod 2 to move upwards, the connecting rod 2 enables the piston 15 to leave the opening 19, the opening 19 is in a conducting state, at the moment, water flow falls onto one rotating plate 20 through the guide hopper 5 to enable the rotating plate 20 to rotate anticlockwise, in the process that one rotating plate 20 with the magnetic block 22 is close to and far away from the permanent magnet 24, the copper wire frame 26 and the magnetic block 22 move relatively, so as to cut the magnetic field formed by the magnetic block 22 and the permanent magnet 24, induced current is generated, when the rotating plate 20 with the magnet block 22 is far away from the magnet block 22, the formed magnetic field disappears, the magnetic flux does not change any more, the current disappears, the magnetic force generated by the electromagnetic strip 25 disappears, and under the elastic action of the clockwork spring 13, the magnetic hollow plate 11 moves back to the original position to the right, the rotating plate 20 is driven by the rotating shaft 21 to rotate all the time, so that the magnetic hollow plate 11 moves left and right to form a reciprocating motion, the sponge pad 29 on the magnetic hollow plate 11 cleans the surface of the indicator body 8, so as to realize cleaning, when the water in the treatment chamber 7 reaches the water outlet 23, the excessive water overflows to prevent the rotating shaft 21 from driving the rotating plate 20 to rotate due to overhigh water level, when the wind stops, the piston 15 returns to the original position under the elastic action of the telescopic spring 16, the cleaning process stops, and the magnetic hollow plate 11 in the final state returns to the original position under the elastic action of the clockwork spring 13, can not shelter from the sign.
Example 2
Referring to fig. 5 to 7, the difference between this embodiment and embodiment 1 is that a folded airbag 31 is disposed at the upper end of the sign body 8, two ends of the folded airbag 31 are respectively fixedly connected to the magnetic hollow plate 11 and the mounting post 6, the left end of the folded airbag 31 is communicated with the processing chamber 7 through a water inlet pipe 30, one end of the water inlet pipe 30, which is far away from the left end of the folded airbag 31, is located at the inner bottom of the processing chamber 7, the right end of the folded airbag 31 is communicated with the inside of the magnetic hollow plate 11 through a water outlet pipe 10, one-way valves are disposed in the water inlet pipe 30 and the water outlet pipe 10, when the folded airbag 31 is contracted through the one-way valves, water in the folded airbag 31 is pressed out through the water outlet pipe 10, and the water in.
The front side fixedly connected with of sign body 8 is used for supporting the strip 18 with what sewage extruded on the foam-rubber cushion 29, supports the strip 18 and is semi-circular, and the foam-rubber cushion 29 of being convenient for extrudes sewage on it, increases clear effect.
In this embodiment, the folding gasbag 31 is full of water under the initial condition, when the hollow board 11 of magnetism receives magnetic force to move left, can press the hollow board 11 of magnetism with folding gasbag 31 normal water through outlet pipe 10 in, then spill over to the foam-rubber cushion 29 from a plurality of apopores 28, when the hollow board 11 of magnetism receives the pulling force of clockwork spring 13 to move right, can with the water suction of bottom in the treatment chamber 7 in the folding gasbag 31 of folding, and when moving right to the position of propping strip 18, can push down the sewage in the foam-rubber cushion 29, through the cleaning of water and the combination of foam-rubber cushion 29, greatly increased clear effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The utility model provides a self-cleaning formula highway sign, is including installing subaerial erection column (6), its characterized in that, be equipped with treatment chamber (7) in erection column (6), the upper end fixedly connected with storage water tank (1) of erection column (6), one side of storage water tank (1) is equipped with into water fill (4) that is used for intaking, flexbile plate (3) are installed to the upper end of storage water tank (1), storage water tank (1) and treatment chamber (7) are through opening (19) intercommunication, fixedly connected with reticular lamina (17) in opening (19), sliding connection has piston (15) in opening (19), the lower extreme of piston (15) passes through the upper end elastic connection of expanding spring (16) and reticular lamina (17), the upper end fixedly connected with connecting rod (2) of piston (15), the one end of piston (15) is kept away from to connecting rod (2) and the lower extreme fixed connection of flexbile plate (3), the two sides of the connecting rod (2) are respectively provided with a guide mechanism used for guiding, the guide mechanism comprises slide rods (14) fixed on the two sides of the connecting rod (2), the two sides of the water storage tank (1) are respectively provided with a sliding chute matched with the slide rods (14), one side of each mounting column (6) is fixedly connected with a sign body (8), the front side of the sign body (8) is fixedly connected with a permanent magnet (24) and an electric magnetic strip (25), a power generation mechanism is arranged in the treatment chamber (7) and comprises a copper wire frame (26) arranged on the front side of the sign body (8), the two ends of the copper wire frame (26) are respectively electrically connected with the two ends of the electric magnetic strip (25), the permanent magnet (24) is positioned in the copper wire frame (26), a rotating shaft (21) rotatably connected with the inner wall of the treatment chamber (7) is arranged in the treatment chamber, and the rotating shaft (21) is uniformly and fixedly connected with a plurality of rotating, one side of one rotating plate (20) far away from the rotating shaft (21) is fixedly connected with a magnetic block (22), the front side of the sign body (8) is provided with a cleaning mechanism used for cleaning dust on the front side of the sign body (8), the cleaning mechanism comprises a magnetic hollow plate (11) arranged on the front side of the sign body (8), one side of the sign body (8) far away from the mounting column (6) is fixedly connected with a mounting shell (12), a clockwork spring (13) is mounted in the mounting shell (12), a connecting end of the clockwork spring (13) penetrates through the mounting shell (12) and is fixedly connected with one side of the magnetic hollow plate (11), one side of the magnetic hollow plate (11) opposite to the sign body (8) is fixedly connected with a sponge pad (29), the sponge pad (29) is slidably connected with the front side wall of the sign body (8), and a plurality of water outlet holes (28) are formed in one side of the magnetic hollow plate (11) close to the sponge, sign body (8) are close to two T shape sliders (27) of one side symmetry fixedly connected with of sign body (8), the front side of sign body (8) is opened and is equipped with two respectively with two T shape slider (27) assorted T-shaped grooves (9).
2. A self-cleaning road signboard of claim 1, wherein a guide hopper (5) for guiding water flow is fixedly connected to a lower end of the water outlet (23).
3. The self-cleaning type road signboard of claim 1, wherein a folding air bag (31) is arranged at the upper end of the signboard body (8), two ends of the folding air bag (31) are respectively fixedly connected with the magnetic hollow board (11) and the mounting column (6), the left end of the folding air bag (31) is communicated with the treatment chamber (7) through a water inlet pipe (30), one end of the water inlet pipe (30), far away from the left end of the folding air bag (31), is located at the inner bottom of the treatment chamber (7), the right end of the folding air bag (31) is communicated with the inside of the magnetic hollow board (11) through a water outlet pipe (10), and one-way valves are respectively arranged in the water inlet pipe (30) and the water outlet pipe (10).
4. A self-cleaning road signboard of claim 1, wherein a supporting strip (18) for extruding out the sewage on the sponge mat (29) is fixedly connected to the front side of the signboard body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010223464.4A CN111335205A (en) | 2020-03-26 | 2020-03-26 | Self-cleaning type highway sign |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010223464.4A CN111335205A (en) | 2020-03-26 | 2020-03-26 | Self-cleaning type highway sign |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111335205A true CN111335205A (en) | 2020-06-26 |
Family
ID=71178468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010223464.4A Pending CN111335205A (en) | 2020-03-26 | 2020-03-26 | Self-cleaning type highway sign |
Country Status (1)
| Country | Link |
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| CN (1) | CN111335205A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851344A (en) * | 2020-08-11 | 2020-10-30 | 胡林华 | Road warning board |
| CN112779872A (en) * | 2021-01-11 | 2021-05-11 | 戴雷妙 | Urban road sign for municipal works |
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| CN206681911U (en) * | 2017-03-15 | 2017-11-28 | 南京信息工程大学 | A kind of device of wind-force, rainwater complemental power-generation |
| CN108343912A (en) * | 2018-02-05 | 2018-07-31 | 河南水天环境工程有限公司 | A kind of more rainfall area automobile charging streetlamps |
| CN108979443A (en) * | 2018-07-18 | 2018-12-11 | 杨宁静 | One kind is from window opening-closing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112779872A (en) * | 2021-01-11 | 2021-05-11 | 戴雷妙 | Urban road sign for municipal works |
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Application publication date: 20200626 |
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| RJ01 | Rejection of invention patent application after publication |