CN106773434B - Dimming glass layer and overpass pavement control system formed by same - Google Patents
Dimming glass layer and overpass pavement control system formed by same Download PDFInfo
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- CN106773434B CN106773434B CN201710195020.2A CN201710195020A CN106773434B CN 106773434 B CN106773434 B CN 106773434B CN 201710195020 A CN201710195020 A CN 201710195020A CN 106773434 B CN106773434 B CN 106773434B
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- glass layer
- overpass
- transparent toughened
- toughened glass
- microcontroller
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13768—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on magneto-optical effects
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention relates to a dimming glass layer and an overpass pavement control system formed by the dimming glass layer, comprising an overpass pavement structure, wherein the overpass pavement structure is fixedly arranged on an overpass body; the overpass pavement structure comprises a plurality of overpass pavement units, and the overpass pavement units are adhered and fixed; the overpass pavement unit comprises a bottom transparent toughened glass layer and a top transparent toughened glass layer, a dimming glass layer is arranged between the bottom transparent toughened glass layer and the top transparent toughened glass layer, the dimming glass layer, the bottom transparent toughened glass layer and the top transparent toughened glass layer are adhered and fixed with each other, a vibration sensor is arranged on the top transparent toughened glass layer, and the dimming glass layer is connected with a power supply through an electromagnetic relay; the overpass road surface control system further comprises a microcontroller, wherein vibration sensors in the overpass road surface units are all connected to the input end of the microcontroller, and electromagnetic relays in the overpass road surface units are all connected to the output end of the microcontroller.
Description
Technical Field
The invention relates to a wireless sensor application technology, in particular to a dimming glass layer and an overpass pavement control system formed by the same.
Background
The overpass has important functions in the field of modern highway construction; however, the road surface of the overpass is usually a light-shielding concrete structure or an iron plate structure, which seriously hinders the greening effect of the ground below the overpass, and the layout design of other buildings on the road surface, so green plants often wither because sunlight cannot be shone.
Disclosure of Invention
The invention provides a road surface control system of an overpass, which applies a wireless sensor technology to the road surface design of the overpass, so that the road surface of the overpass can present different light transmittance according to the requirement, and the sunlight on the road surface under the overpass is not shielded, and a preparation method of a dimming glass layer of the system.
The invention solves the technical problems by adopting the following technical scheme: a dimming glass layer comprising: the prepolymer and nematic liquid crystal, wherein the prepolymer comprises the following raw materials in parts by weight: 10 parts of polymerizable monomer propoxy nonylphenyl acrylate, 50 parts of trimethylolpropane triacrylate, 4 parts of chain transfer agent sebacic acid, 6 parts of toughener nitrile rubber, 2 parts of photoinitiator 1173, and the refractive index of the prepolymer after curing is np=1.2.
Preferably, the nematic liquid crystal is a positive nematic liquid crystal, the ordinary refractive index is no=1.4, the extraordinary refractive index is ne=1.6, and the difference in birefringence is 0.2 to 0.25.
The invention solves the technical problems by adopting the following technical scheme: the overpass road surface control system comprises an overpass road surface structure, wherein the overpass road surface structure is fixedly arranged on an overpass body; the overpass pavement structure comprises a plurality of overpass pavement units, and the overpass pavement units are adhered and fixed;
the overpass pavement unit comprises a bottom transparent toughened glass layer and a top transparent toughened glass layer, a light-adjusting glass layer is arranged between the bottom transparent toughened glass layer and the top transparent toughened glass layer, the light-adjusting glass layer, the bottom transparent toughened glass layer and the top transparent toughened glass layer are adhered and fixed with each other, a vibration sensor is arranged on the top transparent toughened glass layer, and the light-adjusting glass layer is connected with a power supply through an electromagnetic relay;
the overpass road surface control system further comprises a microcontroller, wherein vibration sensors in the overpass road surface units are all connected to the input end of the microcontroller, and electromagnetic relays in the overpass road surface units are all connected to the output end of the microcontroller.
Preferably, the microcontroller is further connected with a wireless transceiver module, and the wireless transceiver module communicates with a remote control terminal through a wireless network.
Preferably, a supporting plate is further arranged between the bottom transparent toughened glass layer and the top transparent toughened glass layer.
Preferably, the microcontroller is a single-chip microcomputer controller.
Preferably, the remote control terminal is a handheld communication device.
Preferably, the bridge further comprises a camera arranged at the top of the bridge body, and the camera is connected to the microcontroller.
The invention has the beneficial effects that the vibration sensors are used for collecting the vibration signals of the corresponding overpass pavement units and sending the collected vibration signals to the microcontroller, and the microcontroller controls the corresponding electromagnetic relay to be disconnected after receiving the vibration signals, so that the dimming glass layer in the corresponding overpass pavement units is in an opaque state when losing electricity, thereby facilitating the walking of pedestrians; when the vibration sensor cannot detect a vibration signal, the microcontroller controls the corresponding electromagnetic relay to be conducted, so that the dimming glass layer in the corresponding overpass pavement unit is electrified to be in a transparent state, and therefore, in the pavement design of the overpass, the overpass pavement can show different light transmittance according to the requirement, and the sunlight on the pavement under the overpass is not blocked.
By adopting the preparation method of the dimming glass layer, the prepolymer and the nematic liquid crystal are subjected to ultraviolet exposure treatment, so that the prepolymer and the nematic liquid crystal form a polymer dispersed liquid crystal layer, and when the conductive glass passes through current, liquid crystal molecules in the polymer dispersed liquid crystal can be more rapidly arranged along the direction of an electric field, so that the dimming glass is changed into a transparent state; when the conductive glass is powered off, liquid crystal molecules in the polymer dispersed liquid crystal are rapidly and freely arranged, and the dimming glass is changed into an opaque state; the switching efficiency of transparency of the dimming glass during power on and power off is effectively improved.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a control schematic diagram of a road surface control system for an overpass provided by the invention.
Fig. 2 is a schematic structural diagram of a bridge pavement unit in the overpass pavement control system according to the present invention.
Wherein, 1, an overpass pavement unit, 1.1, a bottom layer transparent toughened glass layer, 1.2, a top layer transparent toughened glass layer, 1.3, a dimming glass layer, 1.4 and a supporting plate, 1.5, vibration sensor, 1.6, electromagnetic relay, 2, power supply, 3, microcontroller, 4, wireless transceiver module, 5, remote control terminal, 6, camera.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating the basic structure of the invention only by way of illustration, and therefore show only the constitution related to the invention.
As shown in fig. 1 and 2, a dimming glass layer includes: the prepolymer and nematic liquid crystal, wherein the prepolymer comprises the following raw materials in parts by weight: 10 parts of polymerizable monomer propoxy nonylphenyl acrylate, 50 parts of trimethylolpropane triacrylate, 4 parts of chain transfer agent sebacic acid, 6 parts of toughener nitrile rubber, 2 parts of photoinitiator 1173, and the refractive index of the prepolymer after curing is np=1.2.
The nematic liquid crystal is positive nematic liquid crystal, the ordinary light refractive index is no=1.4, the extraordinary light refractive index is ne=1.6, and the double refractive index difference is 0.2-0.25.
The overpass road surface control system comprises an overpass road surface structure, wherein the overpass road surface structure is fixedly arranged on an overpass body; the overpass pavement structure comprises a plurality of overpass pavement units 1, and the overpass pavement units 1 are adhered and fixed;
the overpass pavement unit 1 comprises a bottom transparent toughened glass layer 1.1 and a top transparent toughened glass layer 1.2, a dimming glass layer 1.3 is arranged between the bottom transparent toughened glass layer 1.1 and the top transparent toughened glass layer 1.2, the dimming glass layer 1.3, the bottom transparent toughened glass layer 1.1 and the top transparent toughened glass layer 1.2 are adhered and fixed with each other, a vibration sensor 1.5 is arranged on the top transparent toughened glass layer 1.2, and the dimming glass layer 1.3 is connected with a power supply 2 through an electromagnetic relay 1.6;
the overpass road surface control system further comprises a microcontroller 3, wherein vibration sensors 1.5 in the overpass road surface unit 1 are all connected to the input end of the microcontroller 3, and electromagnetic relays 1.6 in the overpass road surface unit 1 are all connected to the output end of the microcontroller 3.
The microcontroller 3 is also connected with a wireless transceiver module 4, and the wireless transceiver module 4 communicates 5 with a remote control terminal through a wireless network.
A supporting plate 1.4 is arranged between the bottom transparent toughened glass layer 1.1 and the top transparent toughened glass layer 1.2.
The microcontroller 3 is a singlechip controller.
The remote control terminal communication 5 is a handheld communication device.
Still include setting up the camera 6 at the bridge body top, camera 6 is connected to microcontroller 3.
In the technical scheme, vibration signals of corresponding overpass pavement units 1 are acquired through each vibration sensor 1.5, the acquired vibration signals are sent to the microcontroller 3, and the microcontroller 3 controls the corresponding electromagnetic relay 1.6 to be disconnected after receiving the vibration signals, so that the dimming glass layer 1.3 in the corresponding overpass pavement units 1 is in an opaque state when losing electricity, and pedestrians walk conveniently; when the vibration sensor 1.5 does not detect a vibration signal, the microcontroller 3 controls the corresponding electromagnetic relay 1.6 to be conducted, so that the dimming glass layer 1.3 in the corresponding overpass pavement unit 1 is electrically changed into a transparent state.
In the technical scheme, the wireless transceiver module 4 is also communicated with the remote control terminal 5, so that the purpose of adjusting and controlling the dimming glass layer 1.3 through the remote control terminal 5 is achieved.
In this embodiment, bottom transparent toughened glass layer 1.1 and top transparent toughened glass layer 1.2 between still be provided with backup pad 1.4, can slow down the compressive strength that dimming glass layer 1.3 received through setting up backup pad 1.4, increase dimming glass layer 1.3's life.
The microcontroller 3 is a singlechip controller, is convenient to develop and has low cost.
The remote control terminal 5 is a mobile phone control terminal, and sends an instruction to the microcontroller 3 through the mobile phone control terminal to control the transparency of the dimming glass layer 1.3.
The overpass road surface control system further comprises a camera 6 arranged at the top of the bridge body, the camera 6 is connected to the microcontroller 3, overpass road surface information is collected through the camera 6 and is sent to the remote control terminal 5 through the wireless transceiver module 4, and the remote control terminal 5 realizes remote control of the dimming glass layer 1.3 through the received road surface information.
The embodiment also provides a preparation method of the dimming glass layer in the overpass pavement control system, which comprises the following steps:
step 1): pouring the mixture of the prepolymer and nematic liquid crystal between two transparent conductive glass sheets, and carrying out phase separation through ultraviolet exposure; the prepolymer and nematic liquid crystal form a polymer dispersed liquid crystal layer;
step 2): the transparent conductive glass is connected with a power supply through a welding wire, an electric field is applied to the dimming glass, liquid crystal molecules in the polymer dispersed liquid crystal are arranged along the direction of the electric field, and the dimming glass becomes a full transparent state under the action of the electric field.
The prepolymer in the step 1) is composed of the following raw materials in parts by weight:
10 parts of polymerizable monomer propoxy nonylphenyl acrylate, 50 parts of trimethylolpropane triacrylate, 4 parts of chain transfer agent sebacic acid, 6 parts of toughener nitrile rubber, 2 parts of photoinitiator 1173, and the refractive index of the prepolymer after curing is np=1.2.
The nematic liquid crystal in the step 1) is positive nematic liquid crystal, the ordinary light refractive index is no=1.4, the extraordinary light refractive index is ne=1.6, and the double refractive index difference is between 0.2 and 0.25.
With the above description of the preferred embodiments according to the present invention as a teaching, the workers involved can make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (1)
1. The overpass road surface control system comprises an overpass road surface structure, wherein the overpass road surface structure is fixedly arranged on an overpass body; the method is characterized in that: the overpass pavement structure comprises a plurality of overpass pavement units (1), and the overpass pavement units (1) are adhered and fixed;
the overpass pavement unit (1) comprises a bottom layer transparent toughened glass layer (1.1) and a top layer transparent toughened glass layer (1.2), a dimming glass layer (1.3) is arranged between the bottom layer transparent toughened glass layer (1.1) and the top layer transparent toughened glass layer (1.2), the dimming glass layer (1.3) is adhered and fixed with the bottom layer transparent toughened glass layer (1.1) and the top layer transparent toughened glass layer (1.2), a vibration sensor (1.5) is arranged on the top layer transparent toughened glass layer (1.2), and the dimming glass layer (1.3) is connected with a power supply (2) through an electromagnetic relay (1.6);
a dimming glass layer comprising: the prepolymer and nematic liquid crystal, wherein the prepolymer comprises the following raw materials in parts by weight: 10 parts of polymerizable monomer propoxy nonylphenyl acrylate, 50 parts of trimethylolpropane triacrylate, 4 parts of chain transfer agent sebacic acid, 6 parts of toughener nitrile rubber, 2 parts of photoinitiator 1173, and the refractive index of the prepolymer after curing is np=1.2;
the nematic liquid crystal is positive nematic liquid crystal, the ordinary light refractive index is no=1.4, the extraordinary light refractive index is ne=1.6, and the double refractive index difference is 0.2-0.25;
the overpass road surface control system further comprises a microcontroller (3), wherein vibration sensors (1.5) in the overpass road surface unit (1) are all connected to the input end of the microcontroller (3), and electromagnetic relays (1.6) in the overpass road surface unit (1) are all connected to the output end of the microcontroller (3);
the microcontroller (3) is also connected with a wireless transceiver module (4), and the wireless transceiver module (4) is communicated with a remote control terminal (5) through a wireless network;
a supporting plate (1.4) is arranged between the bottom transparent toughened glass layer (1.1) and the top transparent toughened glass layer (1.2);
the microcontroller (3) is a singlechip controller;
the remote control terminal communication (5) is a handheld communication device;
still including setting up in camera (6) at bridge body top, camera (6) are connected to microcontroller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195020.2A CN106773434B (en) | 2017-03-29 | 2017-03-29 | Dimming glass layer and overpass pavement control system formed by same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195020.2A CN106773434B (en) | 2017-03-29 | 2017-03-29 | Dimming glass layer and overpass pavement control system formed by same |
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| Publication Number | Publication Date |
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| CN106773434A CN106773434A (en) | 2017-05-31 |
| CN106773434B true CN106773434B (en) | 2023-08-11 |
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| CN201710195020.2A Active CN106773434B (en) | 2017-03-29 | 2017-03-29 | Dimming glass layer and overpass pavement control system formed by same |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107165542A (en) * | 2017-07-19 | 2017-09-15 | 南京盈润建筑工程配套有限公司 | A kind of intelligent sunshade integrated system window and its control system |
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| CN102425290A (en) * | 2011-09-06 | 2012-04-25 | 圣象（江苏）木业研究有限公司 | Glass floor |
| CN103278959A (en) * | 2013-06-04 | 2013-09-04 | 南京晶多新材料科技有限公司 | Strain liquid crystal multifunctional dimming glass, and manufacturing method and application for strain liquid crystal multifunctional dimming glass |
| CN103760713A (en) * | 2013-12-25 | 2014-04-30 | 无锡科技职业学院 | Strain liquid crystal dimming display glassware and manufacturing method thereof |
| CN105298084A (en) * | 2014-06-25 | 2016-02-03 | 南京晶多新材料科技有限公司 | Structure and application of stressed dimming glass floor |
| CN105319754A (en) * | 2014-06-25 | 2016-02-10 | 南京晶多新材料科技有限公司 | Construction and application of strain light modulation organic glass product |
| CN207249312U (en) * | 2017-03-29 | 2018-04-17 | 常州大学怀德学院 | A kind of overpass road surface control system |
-
2017
- 2017-03-29 CN CN201710195020.2A patent/CN106773434B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425290A (en) * | 2011-09-06 | 2012-04-25 | 圣象（江苏）木业研究有限公司 | Glass floor |
| CN103278959A (en) * | 2013-06-04 | 2013-09-04 | 南京晶多新材料科技有限公司 | Strain liquid crystal multifunctional dimming glass, and manufacturing method and application for strain liquid crystal multifunctional dimming glass |
| CN103760713A (en) * | 2013-12-25 | 2014-04-30 | 无锡科技职业学院 | Strain liquid crystal dimming display glassware and manufacturing method thereof |
| CN105298084A (en) * | 2014-06-25 | 2016-02-03 | 南京晶多新材料科技有限公司 | Structure and application of stressed dimming glass floor |
| CN105319754A (en) * | 2014-06-25 | 2016-02-10 | 南京晶多新材料科技有限公司 | Construction and application of strain light modulation organic glass product |
| CN207249312U (en) * | 2017-03-29 | 2018-04-17 | 常州大学怀德学院 | A kind of overpass road surface control system |
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