CN111299211A - Self-cleaning spherical reflector - Google Patents
Self-cleaning spherical reflector Download PDFInfo
- Publication number
- CN111299211A CN111299211A CN202010187587.7A CN202010187587A CN111299211A CN 111299211 A CN111299211 A CN 111299211A CN 202010187587 A CN202010187587 A CN 202010187587A CN 111299211 A CN111299211 A CN 111299211A
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- Prior art keywords
- wall
- shell
- fixedly connected
- water
- rotating shaft
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- 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 27
- 239000011521 glass Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 68
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 206010039203 Road traffic accident Diseases 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 8
- 230000005389 magnetism Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000007790 scraping Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- B08B1/20—
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- B08B1/165—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- 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
- E01F9/619—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 with reflectors; with means for keeping reflectors clean
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- 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
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/65—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection with rotatable, swingable or adjustable signs or signals
Abstract
The invention discloses a self-cleaning spherical reflector which comprises a shell, wherein the upper inner wall and the lower inner wall of the shell are both rotatably connected with first rotating shafts through bearings, one ends of the two first rotating shafts, which are opposite to each other, are jointly and fixedly connected with a spherical reflector, a cleaning mechanism is arranged in the shell and comprises a through groove arranged on the upper wall of the shell, the inner wall of the through groove is fixedly connected with a glass plate, the lower inner wall of the shell is rotatably connected with a second rotating shaft through bearings, one end, far away from the shell, of the second rotating shaft is fixedly connected with a rotary table, the upper wall of the rotary table is provided with four mounting grooves at equal intervals along the circumferential direction of the rotary table, the inner walls of the four mounting grooves are respectively and fixedly connected with a temperature controller and an electromagnetic block, the four temperature. The invention can ensure that the spherical mirror can be in a clean state for a long time, clearly present the road condition of a turning road section and reduce the occurrence of traffic accidents.
Description
Technical Field
The invention relates to the technical field of road traffic equipment, in particular to a self-cleaning spherical reflector.
Background
At the turn highway section of some mountain roads, because the road conditions of opposite side can't be known to the visual angle of bend one side, can set up the reflector in the turn usually, show the road conditions of bend opposite side through the reflector, even can make things convenient for the driver to know the condition of bend opposite side, even make the preparation of meeting or parking, the condition that can take place the traffic accident when avoiding meeting in very big degree, nevertheless, current road reflector has following problem:
1. because the dust and the sand are more on the roads in the mountainous area, and the dust is easily raised when the vehicles pass by, the dust is attached to the mirror surface of the reflector, the dust is more and more increased after a long time, so that the light reflecting effect of the reflector is greatly reduced, and the road condition on the other side of the curve cannot be clearly presented, the road reflector is similar to a nominal road condition, and the driver cannot observe the road condition on the other side of the curve and easily collides when meeting the vehicles;
2. if the mirror is cleaned manually, there are the following problems: on one hand, the number of turning road sections in mountainous areas is large, the number of reflectors is also large, a large amount of time and energy are consumed for manually cleaning the reflectors one by one, and after cleaning once and a period of time, dust is attached to the surfaces of the reflectors, so that people need to clean the reflectors for many times at regular intervals, and the working efficiency is low; on the other hand, the manual cleaning usually uses the rag to scrub, the water pipe washes the mode such as, need carry a large amount of equipment, moreover, needs external water source, and a large amount of reflectors of clean need consume a large amount of water resources, do not accord with the theory of environmental protection.
Therefore, it is necessary to design a self-cleaning mirror to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a self-cleaning spherical reflector.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-cleaning spherical reflector comprises a shell, wherein the upper inner wall and the lower inner wall of the shell are both rotatably connected with a first rotating shaft through bearings, two opposite ends of the first rotating shaft are fixedly connected with a spherical mirror together, a cleaning mechanism is arranged in the shell and comprises a through groove arranged on the upper wall of the shell, a glass plate is fixedly connected with the inner wall of the through groove, the lower inner wall of the shell is rotatably connected with a second rotating shaft through bearings, one end of the second rotating shaft, far away from the shell, is fixedly connected with a rotary table, the upper wall of the rotary table is provided with four mounting grooves at equal intervals along the circumferential direction, the inner walls of the four mounting grooves are respectively and fixedly connected with a temperature controller and an electromagnetic block, the four temperature controllers are respectively and electrically connected with electromagnetic blocks which are anticlockwise adjacent to each other, the lower inner wall of the shell is fixedly connected with, the second pivot is connected with the first pivot transmission that is located the lower extreme through the conveyer belt, the equal fixedly connected with fixed block of inner wall about the casing, two the strip is scraped to the common fixedly connected with elasticity of the relative lateral wall of fixed block, the inside water spray mechanism that is equipped with of casing.
Preferably, the water spray mechanism includes the water receiving tank, the water receiving tank is located the casing upper wall, inner wall fixed connection presses the water box on the casing, it is connected with the threaded rod to press the water box left side inner wall to rotate through the bearing, threaded rod lateral wall threaded connection has the movable plate, a plurality of water movable vanes of lateral wall fixed connection that movable plate one end was kept away from to the threaded rod, the movable plate one end is kept away from to the threaded rod runs through the first bevel gear of water box lateral wall and fixedly connected with, is located the upper end first pivot lateral wall is connected with the second bevel gear with first bevel gear meshing through one-way bearing rotation, the water box upper wall passes through inlet tube and water receiving tank intercommunication, the inside check valve that is equipped with of inlet tube, the lateral wall intercommunication that movable plate one end was kept away from to the water.
Preferably, the light screen is a horizontal L-shaped structure, the heat dissipation fins are located on the lower wall of the horizontal portion of the light screen, the heat dissipation fins are in contact with three temperature controllers close to the spherical mirror, the length of the horizontal portion of the light screen is about three-fourths of the diameter of the rotary table, and the width of the horizontal portion of the light screen is slightly larger than the diameter of the rotary table.
Preferably, the first rotating shaft at the upper end penetrates through the upper wall of the shell and is fixedly connected with a plurality of wind cups, and the penetrating position of the first rotating shaft and the side wall of the shell is rotatably connected through a bearing.
The invention has the following beneficial effects:
1. compared with the prior art, the cleaning mechanism is arranged, the temperature controller generates current by irradiating the temperature controller through sunlight, the electromagnetic blocks which are adjacent anticlockwise generate magnetism, the magnetism is attracted by the permanent magnetic blocks to drive the rotary disc to rotate, the first rotating shaft is further driven to rotate, the spherical mirror is driven to rotate, when the spherical mirror passes through the elastic scraping strips, the elastic scraping strips can scrape dust on the side wall of the spherical mirror, the spherical mirror can be ensured to be in a clean state for a long time, the road condition of a turning road section can be clearly presented, and traffic accidents are reduced;
2. compared with the prior art, the invention drives the turntable to rotate by the irradiation of sunlight without manual operation, thereby greatly saving time and energy of people, and the spherical mirror can be automatically cleaned only in the weather with strong sunlight, thereby preventing the dust on the side wall of the spherical mirror from being accumulated too much;
3. compared with the prior art, the water spraying mechanism is arranged, when the spherical mirror rotates, the first rotating shaft at the upper end is driven to rotate, the threaded rod is further driven to rotate, the moving plate moves, and water in the water pressing box is extruded to the surface of the spherical mirror through the water outlet pipe, so that the cleaning effect is better, an external water source is not needed, and water resources are greatly saved;
4. compared with the prior art, the wind cup cleaning device can be arranged in an area with weak sunlight irradiation, the wind cup is blown by wind to rotate, the spherical mirror is driven to rotate, the spherical mirror is cleaned, and the application range is wide.
Drawings
FIG. 1 is a schematic structural view of a self-cleaning spherical mirror according to the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of a structure at position B of the self-cleaning spherical reflector according to the present invention;
fig. 4 is a schematic structural diagram of a self-cleaning spherical mirror according to embodiment 2 of the present invention.
In the figure: the device comprises a shell 1, a water receiving tank 2, a penetrating tank 3, a glass plate 4, a water pressing box 5, a movable plate 6, a shading plate 7, a radiating fin 8, a rotary table 9, a temperature controller 10, an electromagnetic block 11, a mounting tank 12, a permanent magnet 13, a fixed block 14, a spherical mirror 15, an elastic scraping strip 16, a water inlet pipe 17, a threaded rod 18, a movable water blade 19, a water outlet pipe 20 and a wind cup 21.
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. 1-3, a self-cleaning spherical reflector comprises a shell 1, wherein the upper inner wall and the lower inner wall of the shell 1 are rotatably connected with first rotating shafts through bearings, and the opposite ends of the two first rotating shafts are fixedly connected with a spherical mirror 15.
The cleaning mechanism is arranged in the shell 1 and comprises a through groove 3 arranged on the upper wall of the shell 1, a glass plate 4 is fixedly connected to the inner wall of the through groove 3, the lower inner wall of the shell 1 is rotatably connected with a second rotating shaft through a bearing, one end of the second rotating shaft, which is far away from the shell 1, is fixedly connected with a rotating disc 9, four mounting grooves 12 are arranged on the upper wall of the rotating disc 9 at equal intervals along the circumferential direction, the inner walls of the four mounting grooves 12 are fixedly connected with a temperature controller 10 and electromagnetic blocks 11, the temperature controller 10 can conduct an external circuit when the environmental temperature reaches a critical value, the four temperature controllers 10 are respectively electrically connected with the electromagnetic blocks 11 which are anticlockwise adjacent to the temperature controllers, permanent magnets 13 are fixedly connected to the lower inner wall of the shell 1, the permanent magnets 13 are positioned under the mounting grooves 12 far away from the spherical mirror 15, the heteropolar poles of the permanent magnets 13, lateral wall that radiating fin 8 and temperature controller 10 are relative all scribbles heat conduction silicone grease, heat conduction silicone grease has good heat conductivity, can make radiating fin 8 dispel the heat to temperature controller 10 more fast, light screen 7 is horizontal L type structure, radiating fin 8 is located light screen 7 horizontal part's lower wall, and radiating fin 8 contacts with three temperature controller 10 that is close to spherical mirror 15, the horizontal part length of light screen 7 is about three fourths of carousel 9 diameter, light screen 7 horizontal part width slightly is greater than the diameter of carousel 9, guarantee that light screen 7 can only shelter from three temperature controller 10, the second pivot is passed through the conveyer belt and is connected with the first pivot transmission that is located the lower extreme, the equal fixedly connected with fixed block 14 of inner wall about casing 1, the common fixed connection elasticity of two fixed block 14 relative lateral walls scrapes strip 16, elasticity scrapes strip 16 and spherical mirror 15 lateral wall contact.
The inner part of the shell 1 is provided with a water spraying mechanism, the water spraying mechanism comprises a water receiving tank 2, the water receiving tank 2 can collect rainwater when raining, the water receiving tank 2 is positioned on the upper wall of the shell 1, the upper inner wall of the shell 1 is fixedly connected with a water pressing box 5, the left inner wall of the water pressing box 5 is rotatably connected with a threaded rod 18 through a bearing, the side wall of the threaded rod 18 is in threaded connection with a movable plate 6, the movable plate 6 is in sealed sliding connection with the inner wall of the water pressing box 5, the side wall of the threaded rod 18 far away from one end of the movable plate 6 is fixedly connected with a plurality of water movable blades 19, the threaded rod 18 is provided with threads only at the side wall at the left end of the water movable blades 19 to ensure that the movable plate 6 cannot collide with the water movable blades 19 when moving, one end of the threaded rod 18 far away from the water pressing box 6 penetrates through the side wall of, guarantee only can drive first bevel gear when second bevel gear rotates, second bevel gear can idle rotation when first bevel gear rotates, can't drive first pivot and rotate, prevent to drive water movable vane 19 under the rivers in water receiving tank 2 promptly and drive the threaded rod 18 when rotating, can't drive first pivot and 15 antiport of spherical mirror, pressurized-water box 5 upper wall passes through inlet tube 17 and water receiving tank 2 intercommunication, the inside check valve that is equipped with of inlet tube 17, the check valve restriction water can only flow into pressurized-water box 5 from inlet tube 17 in, the lateral wall intercommunication that movable plate 6 one end was kept away from to pressurized-water box 5 is equipped with outlet pipe 20, the inside pressure valve that is equipped with of outlet pipe 20, the pressure valve can be with the whole blowout of water in the pressurized-water box 5 when the water pressure reaches the certain degree in the pressurized-water box 5.
In the invention, sunlight is refracted when irradiating the glass plate 4, light rays enter the shell 1 and directly irradiate the surface of the temperature controller 10 far away from the spherical mirror 15, so that the ambient temperature of the temperature controller 10 is gradually increased (for convenience, the temperature controller is called as a temperature controller a for short, and the temperature controller adjacent to the temperature controller in a counterclockwise direction is called as a temperature controller b), when the temperature reaches the critical value of the temperature controller a, the temperature controller a generates current, and the electromagnetic block 11 adjacent to the temperature controller in the counterclockwise direction generates magnetism, the electromagnetic block 11 is attracted by the permanent magnet 13, moves towards the direction of the permanent magnet 13 and drives the rotary disc 9 to rotate, meanwhile, the temperature controller a is pushed to the lower end of the light screen 7 to dissipate heat, the temperature controller b rotates outside the light screen 7 to be heated, the temperature of the temperature controller a is gradually reduced below the critical value, so that the magnetism of the electromagnetic block 11, the temperature of temperature controller b rises gradually and reaches the critical value, and make temperature controller b anticlockwise adjacent electromagnetic block 11 produce magnetism, and be attracted by permanent magnetism piece 13, drive carousel 9 and rotate, repeat above-mentioned operation, make carousel 9 rotate always (it is worth noting, because the rising of temperature controller 10 temperature and reduction all need time, so carousel 9 every turns and ninety degrees will short-lived stay a period of time), carousel 9 rotates and drives the second pivot and rotates, and drive first pivot through the conveyer belt and rotate, and then drive spherical mirror 15 and rotate, spherical mirror 15 and elasticity scrape strip 16 and take place relative movement, elasticity is scraped strip 16 and can be scraped the dust of spherical mirror 15 lateral wall.
When the spherical mirror 15 rotates, the first rotating shaft at the upper end can be driven to rotate, and then the threaded rod 18 is driven to rotate through the first bevel gear and the second bevel gear, the movable plate 6 can be driven to move rightwards when the threaded rod 18 rotates, water in the water pressing box 5 is extruded to the surface of the spherical mirror 15 through the water outlet pipe 20, the elastic scraper bar 16 is matched to work, the cleaning effect can be better, when the spherical mirror stops rotating, the water in the water receiving tank 2 flows into the water pressing box 5 through the water inlet pipe 17 and impacts the water movable blade 19 to rotate, the water movable blade 19 drives the threaded rod 18 to rotate reversely, the time movable plate 6 moves leftwards to the initial position, and it is worth noting that when the threaded rod 18 rotates reversely, the first bevel gear can drive the second bevel gear to idle, the first rotating shaft cannot be driven to rotate, and the scraper bar 16 can be prevented from reciprocating back and forth to clean the side wall of the.
Example 2
Referring to fig. 4, a first rotating shaft at the upper end of the self-cleaning spherical reflector penetrates through the upper wall of the housing 1 and is fixedly connected with a plurality of wind cups 21, and the penetrating position of the first rotating shaft and the side wall of the housing 1 is rotatably connected through a bearing.
In this embodiment, even under the weather that sunshine illumination intensity is relatively weak, wind blows and also can drive first pivot rotation of wind cup 21, and then drives spherical mirror 15 and rotates, realizes clean effect for the application scope of device is wider.
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 spherical reflector, includes casing (1), inner wall all is connected with first pivot, two through the bearing rotation about casing (1) the common fixedly connected with spherical mirror (15), its characterized in that of the relative one end of first pivot: the cleaning mechanism is arranged in the shell (1) and comprises a through groove (3) arranged on the upper wall of the shell (1), a glass plate (4) is fixedly connected to the inner wall of the through groove (3), a second rotating shaft is rotatably connected to the lower inner wall of the shell (1) through a bearing, a rotary table (9) is fixedly connected to one end, far away from the shell (1), of the second rotating shaft, four mounting grooves (12) are formed in the upper wall of the rotary table (9) at equal intervals along the circumferential direction of the rotary table, temperature controllers (10) and electromagnetic blocks (11) are fixedly connected to the inner walls of the four mounting grooves (12), the four temperature controllers (10) are respectively and electrically connected with electromagnetic blocks (11) which are anticlockwise adjacent to the temperature controllers, permanent magnetic blocks (13) are fixedly connected to the lower inner wall of the shell (1), a light screen (7) is fixedly connected to the lower wall of the shell (1), and, the second pivot is connected with the first pivot transmission that is located the lower extreme through the conveyer belt, the equal fixedly connected with fixed block (14) of inner wall about casing (1), two the strip (16) is scraped to the common fixedly connected with elasticity of the relative lateral wall of fixed block (14), casing (1) inside is equipped with water spray mechanism.
2. A self-cleaning spherical mirror according to claim 1, wherein: the water spraying mechanism comprises a water receiving tank (2), the water receiving tank (2) is positioned on the upper wall of a shell (1), the upper inner wall of the shell (1) is fixedly connected with a water pressing box (5), the left inner wall of the water pressing box (5) is rotatably connected with a threaded rod (18) through a bearing, the side wall of the threaded rod (18) is in threaded connection with a movable plate (6), the side wall of the threaded rod (18) far away from one end of the movable plate (6) is fixedly connected with a plurality of movable blades (19), one end of the threaded rod (18) far away from the movable plate (6) penetrates through the side wall of the water pressing box (5) and is rotatably connected with a first bevel gear through a one-way bearing, the side wall of the first rotating shaft positioned at the upper end is fixedly connected with a second bevel gear meshed with the first bevel gear, the upper wall of the water pressing box (5) is communicated, the side wall of one end, far away from the moving plate (6), of the water pressing box (5) is communicated with a water outlet pipe (20), and a pressure valve is arranged inside the water outlet pipe (20).
3. A self-cleaning spherical mirror according to claim 1, wherein: the shading plate (7) is of a transverse L-shaped structure, the radiating fins (8) are located on the lower wall of the horizontal portion of the shading plate (7), the radiating fins (8) are in contact with three temperature controllers (10) close to the spherical mirror (15), the length of the horizontal portion of the shading plate (7) is about three-quarters of the diameter of the rotary table (9), and the width of the horizontal portion of the shading plate (7) is slightly larger than the diameter of the rotary table (9).
4. A self-cleaning spherical mirror according to claim 1, wherein: the first rotating shaft positioned at the upper end penetrates through the upper wall of the shell (1) and is fixedly connected with a plurality of wind cups (21), and the penetrating position of the first rotating shaft and the side wall of the shell (1) is rotatably connected through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010187587.7A CN111299211A (en) | 2020-03-17 | 2020-03-17 | Self-cleaning spherical reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010187587.7A CN111299211A (en) | 2020-03-17 | 2020-03-17 | Self-cleaning spherical reflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111299211A true CN111299211A (en) | 2020-06-19 |
Family
ID=71149755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010187587.7A Pending CN111299211A (en) | 2020-03-17 | 2020-03-17 | Self-cleaning spherical reflector |
Country Status (1)
| Country | Link |
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| CN (1) | CN111299211A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111893917A (en) * | 2020-09-01 | 2020-11-06 | 德清县诚达金属材料有限公司 | Wind energy self-cleaning road reflector |
| CN112718758A (en) * | 2020-12-10 | 2021-04-30 | 牛永耀 | Self-cleaning device for spherical mirror for curve in mountainous area |
| CN112895097A (en) * | 2021-01-19 | 2021-06-04 | 郑婵和 | Concrete moisturizing device |
-
2020
- 2020-03-17 CN CN202010187587.7A patent/CN111299211A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111893917A (en) * | 2020-09-01 | 2020-11-06 | 德清县诚达金属材料有限公司 | Wind energy self-cleaning road reflector |
| CN112718758A (en) * | 2020-12-10 | 2021-04-30 | 牛永耀 | Self-cleaning device for spherical mirror for curve in mountainous area |
| CN112895097A (en) * | 2021-01-19 | 2021-06-04 | 郑婵和 | Concrete moisturizing device |
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Application publication date: 20200619 |