CN114293490B - Traffic signal sign device with tectorial membrane - Google Patents
Traffic signal sign device with tectorial membrane Download PDFInfo
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- CN114293490B CN114293490B CN202111673936.7A CN202111673936A CN114293490B CN 114293490 B CN114293490 B CN 114293490B CN 202111673936 A CN202111673936 A CN 202111673936A CN 114293490 B CN114293490 B CN 114293490B
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- magnetic sensor
- water tanks
- fixing
- elastic tube
- fixed
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- 210000002489 tectorial membrane Anatomy 0.000 title claims description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 210000005056 cell body Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a traffic signal sign device with a film, which comprises a first fixing column, a second fixing column and a clamping mechanism, wherein the first fixing column is used for being fixed on the ground, the bottom of the second fixing column is provided with the clamping mechanism, the second fixing column is provided with a sign, the first fixing column and the second fixing column are clamped through the clamping mechanism, the top of the second fixing column is provided with a first fixing mechanism clamped with the first fixing column, the top of the first fixing mechanism is provided with a rope, the other end of the rope is provided with a telescopic mechanism connected with the telescopic mechanism, the traffic signal sign device further comprises an outer elastic tube, one end of the outer elastic tube is connected with an external operation platform, and the other end of the outer elastic tube is provided with the second fixing mechanism.
Description
Technical Field
The invention relates to a sign device, in particular to a traffic signal sign device with a film.
Background
The current traffic sign is in the installation, because the structure and the subassembly of signal sign are more, the ubiquitous installation flow is loaded down with trivial details, operating time is long, inefficiency, simultaneously because the structure is comparatively complicated, the security in the installation is relatively poor, when the traffic rush-time is at the same time, if need carry out urgent maintenance or urgent change, maintenance vehicle occupation rush-repair time is long can often appear, cause traffic jam, greatly reduced the road pass efficiency and caused the pollution that produces when the traffic jam, current traffic sign is easy to appear dirty and rust phenomenon moreover.
Disclosure of Invention
The invention aims to solve the prior problems, and aims to realize quick installation of a novel traffic signal board, ensure the safety during operation and prevent poor safety of pedestrians or vehicles during passing.
The invention provides a traffic signal sign device with a film, which comprises a first fixed column, a second fixed column and a clamping mechanism, wherein the first fixed column is used for being fixed on the ground, the bottom of the second fixed column is provided with the clamping mechanism, the second fixed column is provided with a sign, the first fixed column and the second fixed column are clamped through the clamping mechanism, the top of the second fixed column is provided with a first fixing mechanism clamped with the second fixed column, the top of the first fixing mechanism is provided with a rope, the other end of the rope is provided with a telescopic mechanism connected with the telescopic mechanism, the device also comprises an outer elastic tube, one end of the outer elastic tube is connected with an external operation platform, the other end of the outer elastic tube is provided with a second fixing mechanism, the second fixing mechanism is connected with the sign, an inner elastic tube is arranged in the outer elastic tube, the inner elastic tube is internally provided with a plurality of connecting pieces which are adjacent and are positioned on the same axis, one end of the connecting pieces is provided with a hole, the other end of the connecting pieces is provided with a connecting rod, the inner magnetic force sensor is arranged in the connecting piece, the inner part is internally provided with a first magnetic force sensor, the first magnetic force sensor is connected with the telescopic mechanism, the first magnetic force sensor is connected with the first magnetic force sensor is arranged in the central processing unit, the central processing unit is connected with the first magnetic force sensor, and the central processing unit is connected with the magnetic force sensor.
Further, the telescopic mechanism comprises an electric telescopic rod, the telescopic end of the electric telescopic rod is connected with the rope, the fixed end of the electric telescopic rod is fixed on the operating platform, the electric telescopic rod is electrically connected with an external power supply, and the electric telescopic rod is in signal connection with the central processing unit.
Further, the clamping mechanism comprises a clamping part and a clamping hole, wherein the cross section of the clamping part is cross-shaped, the clamping hole is formed in the top of the first fixing column, and the clamping part is fixedly connected with the bottom of the second fixing column.
Further, the first fixed establishment includes a plurality of first water tanks, be equipped with the first pump that is linked together with it on the first water tank, the bottom of first water tank is equipped with a plurality of first sacs that are linked together with it, first pump is connected with external power supply electricity, first pump with central processing unit signal connection, first water tank with the rope links to each other, the top of second fixed column is equipped with a plurality of cross-sections and is circular shape first fixed orifices, first sacs water the back card is gone into in the first fixed orifices.
Further, the second fixing mechanism comprises a plurality of second water tanks, a second pump communicated with the second water tanks is arranged on the second water tanks, a plurality of second bag bodies communicated with the second water tanks are arranged at the bottoms of the second water tanks, the second pump is electrically connected with an external power supply, the second pump is in signal connection with the central processing unit, the second water tanks are connected with the outer elastic tube, a plurality of second fixing holes with circular cross sections are formed in the second fixing columns, and the second bag bodies are clamped into the second fixing holes after being filled with water.
Further, the first magnetism mechanism of inhaling includes first electro-magnet and first insulating layer, the periphery cover of first electro-magnet has first insulating layer, first insulating layer with connecting piece fixed connection, the first magnetism mechanism of inhaling includes second electro-magnet and second insulating layer, the periphery cover of second electro-magnet has the second insulating layer, the second insulating layer with connecting rod fixed connection, first electro-magnet with the second electro-magnet all with the central processing unit electricity is connected, the central processing unit is connected with external power supply electricity.
Further, a layer of corrosion-resistant protective film is arranged on the surface of the indication board.
The invention has the beneficial effects that:
according to the traffic signal sign device with the film, the first fixed column is fixed on the ground, when the sign is required to be quickly detached or installed, the first fixed column and the second fixed column are fixed or separated through the clamping mechanism, so that the sign can be fixed on the second fixed column for use, when the traffic signal sign device is installed, the rope is broken or the first fixed column is separated from the first fixed column through the matching of the rope and the force sensor, the force sensor detects abnormal tensile force values, the detected data are sent to the central processor, after the central processor processes the data, the signal is sent out, the first magnetic attraction mechanism and the second magnetic attraction mechanism are controlled to generate magnetic force, and therefore adjacent connecting pieces and connecting rods can be quickly and stably attracted with each other, and the outer elastic tube and the inner elastic tube can be folded under the cooperation of the connecting pieces and the bending pieces, so that the sign is not directly bent, and the risk of falling is not generated; when the outer elastic tube and the inner elastic tube are stretched out by external force, the central processing unit sends out signals and controls the first magnetic attraction mechanism and the second magnetic attraction mechanism to generate magnetic force, so that the connecting pieces and the connecting rods are adjacent to each other and are attracted fast and stably, the flying probability of the stretch-break position caused by the elasticity of the outer elastic tube and the inner elastic tube can be effectively reduced, the risk is effectively reduced, and the use safety of the device is ensured by a double protection mode.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall block diagram of a traffic signal sign device with a membrane according to the present invention;
FIG. 2 is an internal cross-sectional view showing a partial structure of a traffic signal sign device with a coating according to the present invention;
FIG. 3 is a right side view of a connector of a traffic signal sign device with a cover according to the present invention;
fig. 4 is a left side view of a connector of a traffic signal sign device with a cover according to the present invention.
In the figure, 1 is a first fixed column, 2 is a second fixed column, 3 is a sign, 4 is a rope, 5 is an outer elastic tube, 6 is an inner elastic tube, 7 is a connecting piece, 8 is a hole, 9 is a connecting rod, 10 is a central processing unit, 11 is a force sensor, 12 is an electric telescopic rod, 13 is a clamping part, 14 is a clamping hole, 15 is a first water tank, 16 is a first pump, 17 is a first bag body, 18 is a first fixed hole, 19 is a second water tank, 20 is a second pump, 21 is a second bag body, 22 is a second fixed hole, 23 is a first electromagnet, 24 is a first insulating layer, 25 is a second electromagnet, 26 is a second insulating layer, and 27 is a protective film.
Description of the embodiments
For a better understanding of the technical content of the present invention, specific examples are provided below and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, the invention provides a traffic signal sign device with a film, which comprises a first fixing column 1, a second fixing column 2 and a clamping mechanism, wherein the first fixing column 1 is used for being fixed on the ground, the bottom of the second fixing column 2 is provided with the clamping mechanism, the second fixing column 2 is provided with a sign 3, the first fixing column 1 and the second fixing column 2 are clamped through the clamping mechanism, the top of the second fixing column 2 is provided with a first fixing mechanism clamped with the first fixing mechanism, the top of the first fixing mechanism is provided with a rope 4, the other end of the rope 4 is provided with a telescopic mechanism connected with the rope, the traffic signal sign device further comprises an outer elastic tube 5, one end of the outer elastic tube 5 is connected with an external operation platform (not shown), the other end of the outer elastic tube 5 is provided with a second fixing mechanism, the second fixing mechanism is connected with the indication board 3, an inner elastic tube 6 is arranged in the outer elastic tube 5, a plurality of connecting pieces 7 which are adjacent and located on the same axis are arranged in the inner elastic tube 6, a hole 8 is formed in one end of each connecting piece 7, a connecting rod 9 is arranged at the other end of each connecting piece 7, a first magnetic attraction mechanism is arranged in the connecting piece 7, the first magnetic attraction mechanism is located in the hole 8, a second magnetic attraction mechanism is embedded in the connecting rod 9, a central processing unit 10 is arranged on the telescopic mechanism, a force sensor 11 is arranged at one end of each rope 4, the force sensor 11 is connected with the first fixing mechanism, the other end of each outer elastic tube 5 is connected with the indication board 3, the central processing unit 10 is in signal connection with the force sensor 11, the first magnetic attraction mechanism, the second magnetic attraction mechanism, the first magnetic attraction mechanism and the second magnetic attraction mechanism are in signal connection, the central processing unit 10 and the telescopic mechanism are electrically connected with an external power supply, the first fixed column 1 is fixed on the ground, when the indication board 3 is required to be quickly detached or installed, the first fixed column 1 and the second fixed column 2 are fixed or separated through the clamping mechanism, so that the indication board 3 can be fixed on the second fixed column 2 for use, when the device is installed, the rope 4 and the force sensor 11 are matched with the first fixed mechanism, so that the rope 4 is broken or the first fixed mechanism is separated from the first fixed column 1, the tension value detected by the force sensor 11 is abnormal, the detected data is sent to the central processing unit 10, after the central processing unit 10 processes, signals are sent out, and the first magnetic attraction mechanism and the second magnetic attraction mechanism are controlled to be electrified to generate magnetic force, so that the connecting piece 7 and the connecting rod 9 which are adjacent are quickly and stably attracted each other, the elastic pipe 5 and the elastic pipe 5 are bent, and the elastic pipe 5 are not directly connected with each other, and the elastic pipe body 5 is not directly bent, and the elastic pipe 5 is not directly connected with the elastic pipe 3, and the risk is not guaranteed to be formed; when the outer elastic tube 5 and the inner elastic tube 6 are in tension before being subjected to external force, signals can be sent out and controlled by the central processing unit 10 under manual operation, and the first magnetic attraction mechanism and the second magnetic attraction mechanism are electrified to generate magnetic force, so that the connecting piece 7 and the connecting rod 9 which are adjacent are fast and stably attracted to each other, the flying probability of the tension position generated by the elasticity of the outer elastic tube 5 and the inner elastic tube 6 can be effectively reduced under the cooperation of the connecting piece 7 and the connecting rod 9, the risk is effectively reduced, and the use safety of the device is ensured by a double protection mode.
Specifically, telescopic machanism includes electric telescopic handle 12, electric telescopic handle 12 flexible end with rope 4 links to each other, electric telescopic handle 12's stiff end is used for fixing on operation platform (not shown), operation platform can adopt manual operation platform, can be in simultaneously set up slewing mechanism (not shown) on operation platform (not shown), through will outer elastic tube 5 links to each other with slewing mechanism (not shown), realizes outer elastic tube 5's rotation drives the rotation of second fixed column 2, and then can change under rope 4's rotation direction of sign 3 is applicable to under the different demands sign 3 installation work, electric telescopic handle 12 is connected with external power supply electricity, electric telescopic handle 12 with central processing unit 10 signal connection, through electric telescopic handle 12's flexible can be ensured electric telescopic handle 12's flexible can be so that can carry out on the pavement first fixed column 1 the dismantlement and the installation of sign 3 have avoided traffic to the traffic sign.
Specifically, the clamping mechanism comprises a clamping part 13 and a clamping hole 14, wherein the cross section of the clamping part 13 is cross-shaped, the clamping hole 14 is formed in the top of the first fixing column 1, the clamping part 13 is fixedly connected with the bottom of the second fixing column 2, and the clamping part 13 is matched with the clamping hole 14 to ensure that the first fixing column 1 and the second fixing column 2 can be clamped mutually, and meanwhile, the phenomenon of relative rotation between the first fixing column 1 and the second fixing column 2 is difficult to occur.
Specifically, the first fixing mechanism includes a plurality of first water tanks 15, force sensor 11 is embedded on the first water tank 15, be equipped with on the first water tank 15 with it is linked together first pump 16, the bottom of first water tank 15 is equipped with a plurality of first cell bodies 17 that are linked together with it, first pump 16 is connected with external power supply electricity, first pump 16 with central processing unit 10 signal connection, first water tank 15 with rope 4 links to each other, the top of second fixed column 2 is equipped with a plurality of cross-sections and is circular first fixed orifices 18, first cell bodies 17 water back card is gone into in the first fixed orifices 18, through the cooperation between first water tank 15, first cell bodies 17, first pump 16 and the first fixed orifices 18, so that this device can be according to actual need to first cell bodies 17 carry out water filling or drainage, thereby make first cell bodies 17 card in first fixed orifices 18 or follow first fixed orifices 18 take out the normal use of this device has been ensured.
Specifically, the second fixing mechanism includes a plurality of second water tanks 19, be equipped with on the second water tank 19 with it is linked together second pump 20, the bottom of second water tank 19 is equipped with a plurality of second bag body 21 that are linked together with it, second pump 20 is connected with external power supply electricity, second pump 20 with central processing unit 10 signal connection, second water tank 19 with outer elastic tube 5 links to each other, be equipped with a plurality of sections and be circular second fixed orifices 22 on the second fixed column 2, the second bag body 21 fills water the back card and goes into in the second fixed orifices 22, through the cooperation between second water tank 19, second bag body 21, second pump 20 and the second fixed orifices 22, make this device can be right according to actual need second bag body 21 carries out or the drainage, thereby make second bag body 21 can block second fixed orifices 22 or follow first fixed orifices 18 take out, ensured this device's use normally.
Specifically, the first magnetic attraction mechanism includes first electro-magnet 23 and first insulating layer 24, the periphery cover of first electro-magnet 23 has first insulating layer 24, first insulating layer 24 with connecting piece 7 fixed connection, first magnetic attraction mechanism includes second electro-magnet 25 and second insulating layer 26, the periphery cover of second electro-magnet 25 has second insulating layer 26, second insulating layer 26 with connecting rod 9 fixed connection, first electro-magnet 23 with second electro-magnet 25 all with central processing unit 10 electricity is connected, central processing unit 10 with external power supply electricity is connected, through the effect of first electro-magnet 23 with second electro-magnet 25, can be when required pass through central processing unit 10 control first electro-magnet 23 with second electro-magnet 25 circular magnetism makes adjacent first electro-magnet 23 with second electro-magnet 25 can be in the same place, and pass through first insulating layer 24 with second electro-magnet 26 effect can guarantee that second electro-magnet 23 and second electro-magnet 25 are stable.
Specifically, the surface of sign 3 is equipped with one deck corrosion-resistant protection film 27, through the effect of protection film 27, can ensure sign 3 can not appear the phenomenon of corruption, has ensured that this device can effectively guide.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The utility model provides a traffic signal sign device with tectorial membrane, its characterized in that, including first fixed column, second fixed column and joint mechanism, first fixed column is used for fixing at ground, the bottom of second fixed column is equipped with joint mechanism, be equipped with the sign on the second fixed column, first fixed column with the second fixed column passes through joint mechanism carries out the chucking, the top of second fixed column is equipped with the first fixed establishment of chucking with it, the top of first fixed establishment of institution is equipped with the rope, the other end of rope is equipped with the telescopic machanism that links to each other with it, still includes outer elastic tube, the one end of outer elastic tube links to each other with external operation platform, the other end of outer elastic tube is equipped with second fixed establishment, the second fixed establishment with the sign links to each other, be equipped with interior elastic tube in the outer elastic tube, the inside of interior elastic tube is equipped with a plurality of adjacencies and is in the connecting piece of same axis, the one end of connecting piece is equipped with the hole, the other end of connecting piece is equipped with the connecting rod, the inside of connecting piece is equipped with first fixed establishment of mechanism with the first magnetic sensor, first magnetic sensor and the first magnetic sensor, first magnetic sensor is equipped with first magnetic sensor and second magnetic sensor, first magnetic sensor is equipped with the telescopic machanism and the first magnetic sensor, first magnetic sensor is equipped with the first magnetic sensor, the first magnetic sensor is connected with the first magnetic sensor and the central processing unit and is equipped with the first magnetic sensor.
2. The traffic signal sign device with the film according to claim 1, wherein the telescopic mechanism comprises an electric telescopic rod, a telescopic end of the electric telescopic rod is connected with the rope, a fixed end of the electric telescopic rod is fixed on the operation platform, the electric telescopic rod is electrically connected with an external power supply, and the electric telescopic rod is in signal connection with the central processing unit.
3. The traffic signal sign device with the coating film according to claim 1, wherein the clamping mechanism comprises a clamping part and a clamping hole, the cross section of the clamping part is cross-shaped, the clamping hole is formed in the top of the first fixing column, and the clamping part is fixedly connected with the bottom of the second fixing column.
4. The traffic signal sign device with the film according to claim 1, wherein the first fixing mechanism comprises a plurality of first water tanks, a first pump is arranged on the first water tanks and is communicated with the first water tanks, a plurality of first bag bodies communicated with the first water tanks are arranged at the bottoms of the first water tanks, the first pump is electrically connected with an external power supply and is in signal connection with the central processing unit, the first water tanks are connected with the ropes, a plurality of first fixing holes with circular sections are arranged at the tops of the second fixing columns, and the first bag bodies are clamped into the first fixing holes after being filled with water.
5. The traffic signal sign device with the film according to claim 1, wherein the second fixing mechanism comprises a plurality of second water tanks, a second pump communicated with the second water tanks is arranged on the second water tanks, a plurality of second bag bodies communicated with the second water tanks are arranged at the bottoms of the second water tanks, the second pump is electrically connected with an external power supply and is in signal connection with the central processing unit, the second water tanks are connected with the external elastic tube, a plurality of second fixing holes with circular cross sections are formed in the second fixing columns, and the second bag bodies are clamped into the second fixing holes after being filled with water.
6. The traffic signal sign device with the coating film according to claim 1, wherein the first magnetic attraction mechanism comprises a first electromagnet and a first insulating layer, the first insulating layer is sleeved on the periphery of the first electromagnet, the first insulating layer is fixedly connected with the connecting piece, the first magnetic attraction mechanism comprises a second electromagnet and a second insulating layer, the second insulating layer is sleeved on the periphery of the second electromagnet, the second insulating layer is fixedly connected with the connecting rod, the first electromagnet and the second electromagnet are electrically connected with the central processing unit, and the central processing unit is electrically connected with an external power supply.
7. The traffic signal sign device with the coating according to claim 1, wherein the surface of the sign is provided with a corrosion-resistant protective film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111673936.7A CN114293490B (en) | 2021-12-31 | 2021-12-31 | Traffic signal sign device with tectorial membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111673936.7A CN114293490B (en) | 2021-12-31 | 2021-12-31 | Traffic signal sign device with tectorial membrane |
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| Publication Number | Publication Date |
|---|---|
| CN114293490A CN114293490A (en) | 2022-04-08 |
| CN114293490B true CN114293490B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111673936.7A Active CN114293490B (en) | 2021-12-31 | 2021-12-31 | Traffic signal sign device with tectorial membrane |
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| Country | Link |
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| CN (1) | CN114293490B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11328542A (en) * | 1998-05-13 | 1999-11-30 | Tatsuno Corp | Merging vehicle guide device |
| CN205711735U (en) * | 2016-04-25 | 2016-11-23 | 黄根来 | A kind of bridge guard bar washing device |
| CN109296898A (en) * | 2018-11-26 | 2019-02-01 | 长沙科悦企业管理咨询有限公司 | A kind of highway easy to repair electronic information direction board |
| CN109653116A (en) * | 2019-01-09 | 2019-04-19 | 扬州润宜民科技信息有限公司 | A kind of electronic information direction board of the highway with defencive function |
| CN210324926U (en) * | 2019-05-15 | 2020-04-14 | 王佳楠 | Highway electronic information sign |
| CN215329555U (en) * | 2021-06-09 | 2021-12-28 | 佛山市彩尼斯多智能科技有限公司 | Road gate rod with telescopic function |
-
2021
- 2021-12-31 CN CN202111673936.7A patent/CN114293490B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11328542A (en) * | 1998-05-13 | 1999-11-30 | Tatsuno Corp | Merging vehicle guide device |
| CN205711735U (en) * | 2016-04-25 | 2016-11-23 | 黄根来 | A kind of bridge guard bar washing device |
| CN109296898A (en) * | 2018-11-26 | 2019-02-01 | 长沙科悦企业管理咨询有限公司 | A kind of highway easy to repair electronic information direction board |
| CN109653116A (en) * | 2019-01-09 | 2019-04-19 | 扬州润宜民科技信息有限公司 | A kind of electronic information direction board of the highway with defencive function |
| CN210324926U (en) * | 2019-05-15 | 2020-04-14 | 王佳楠 | Highway electronic information sign |
| CN215329555U (en) * | 2021-06-09 | 2021-12-28 | 佛山市彩尼斯多智能科技有限公司 | Road gate rod with telescopic function |
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| CN114293490A (en) | 2022-04-08 |
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Effective date of registration: 20230725 Address after: Yulong Apartment, 129 Longkun South Road, Qiongshan District, Haikou, Hainan 571100 Applicant after: Tang Fu Address before: 570100 room 906, building B, Xiyingmen international building, Longhua District, Haikou City, Hainan Province Applicant before: Hainan Boyuan Innovation Development Co.,Ltd. |
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