CN111549649A - Intelligent heat preservation system for preventing bridge deck from freezing - Google Patents
Intelligent heat preservation system for preventing bridge deck from freezing Download PDFInfo
- Publication number
- CN111549649A CN111549649A CN202010303748.4A CN202010303748A CN111549649A CN 111549649 A CN111549649 A CN 111549649A CN 202010303748 A CN202010303748 A CN 202010303748A CN 111549649 A CN111549649 A CN 111549649A
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- air
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- bridge deck
- bridge
- humidity
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/26—Permanently installed heating or blowing devices ; Mounting thereof
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides an intelligent heat insulation system for preventing bridge deck from icing, which comprises: the heating device comprises an air heating machine, a temperature sensor and an air speed sensor; the air heating machine is arranged inside the anti-collision guardrails on the two sides of the bridge, and the temperature sensor and the air speed sensor are arranged at the air outlet end of the air heating machine; the bridge deck temperature and humidity detection devices are arranged above the anti-collision guardrails at intervals and used for collecting temperature and humidity information of the bridge deck; the PLC intelligent control device receives temperature and humidity information of the bridge deck, which is sent by the bridge deck temperature and humidity detection device, and when the temperature and the humidity reach an icing condition, the heating device is started to heat the bridge deck; the solar power generation device is arranged on two sides of the bridge body and used for supplying power to the heating device, the bridge deck temperature and humidity detection device and the PLC intelligent control device. The bridge deck temperature and humidity control system provided by the invention can be used for adjusting the temperature and humidity of the bridge deck in real time, so that the problems of ice condensation and ice hiding of the bridge deck of the bridge are solved, and the bridge deck temperature and humidity control system has the advantages of energy conservation, environmental protection, intellectualization, simplicity in installation and maintenance and the like, and guarantees the traffic driving safety of the bridge deck.
Description
Technical Field
The invention belongs to the technical field of bridge deck freezing prevention, and particularly relates to an intelligent heat insulation system for preventing bridge deck freezing.
Background
Bridge deck icing accidents of the bridge in winter frequently occur, and great problems are caused to driving safety and transportation traffic capacity. Because the bridge main bridge body is in a suspended position, the heat dissipation area is large, and heat is easy to dissipate. In recent years most bridges have been constructed from steel and concrete, both of which are good heat conductors, and by their nature any heat absorbed by the bridge is conducted through itself to the deck and then dissipated to the surrounding atmosphere.
At present, the anti-freezing field of bridge decks mainly comprises pre-freezing prevention and post-freezing defrosting for research: (1) the pre-freezing prevention research mainly focuses on controlling the optimization of the anti-freezing performance of the bridge deck material, blocking the direction of the icing condition of the bridge deck, controlling the dryness of the bridge deck, researching the thermal performance of the novel thermal insulation material of the bridge deck and the like; for example, chinese patent application No. CN201811402345.4 discloses a bridge deck pavement anti-icing paint and a construction method thereof, wherein the bridge deck pavement anti-icing paint is uniformly sprayed onto a bridge deck pavement surface layer by an asphalt spraying vehicle, a cured film seal layer is transparent and has good color retention, which can better improve the adhesion with the bridge deck pavement surface layer, and has excellent comprehensive mechanical properties and can resist the abrasion between a road surface and a tire, the above patent can achieve bridge deck anti-freezing to a certain extent, long-term use cannot guarantee the driving safety of the bridge deck and the service life of the bridge deck asphalt, the later anti-freezing effect will be weakened, and may cause partial influence on the environment; (2) research on deicing after freezing mainly comprises research on a quick deicing device after freezing, performance research on a quick deicing material, research on a novel deicing mode and the like; for example, chinese patent application No. CN201120024849.4 discloses an anti-freezing bridge, which comprises a wind-shielding wall, a heat-insulating layer, a heating water pipe, a circulating water pump, a heat pump heating device, etc. after water is heated by the heat pump heating device, the water is delivered to the heating water pipe of the bridge body by the circulating pump to raise the temperature of the bridge floor, the heat loss of the bridge body is reduced by the wind-shielding wall and the heat-insulating layer on the side and bottom of the bridge to keep the temperature of the bridge floor above "freezing point" to prevent the bridge floor from freezing.
Disclosure of Invention
In order to solve the problems, the invention provides an intelligent thermal insulation system for preventing bridge deck from icing, which utilizes a heating device to control the temperature and humidity of the bridge deck, thereby solving the problems of ice condensation and dark ice on the bridge deck of the bridge, having the advantages of energy conservation, environmental protection, intellectualization, simple installation and maintenance and the like, and ensuring the traffic and driving safety of the bridge deck.
The technical scheme is as follows: the invention provides an intelligent heat insulation system for preventing bridge deck from icing, which comprises:
the heating device comprises an air heating machine, a temperature sensor and an air speed sensor; the air heating machine is arranged inside the anti-collision guardrails on the two sides of the bridge and used for heating the bridge floor, and the temperature sensor and the air speed sensor are arranged at the air outlet end of the air heating machine and respectively used for monitoring the air outlet temperature and the air speed of the air heating machine;
the bridge deck temperature and humidity detection devices are arranged above the anti-collision guardrails at intervals and used for collecting temperature and humidity information of the bridge deck;
the intelligent PLC control device receives the temperature and humidity information of the bridge floor sent by the bridge floor temperature and humidity detection device, and when the temperature and the humidity of the bridge floor reach an icing condition, the heating device is started to heat the bridge floor;
the solar power generation device is arranged on two sides of the bridge body and used for supplying power to the heating device, the bridge deck temperature and humidity detection device and the PLC intelligent control device.
Further, the air heater adopts heating type air curtain machine, and a plurality of air heaters from the top down install inside the anticollision barrier in proper order.
Further, each air outlet end of the air heating machine is provided with a temperature sensor and an air speed sensor.
Furthermore, a plurality of air outlets are formed in one side, facing the road surface, of the anti-collision guardrail; the air outlets correspond to air outlet ends of the air heating machine one by one.
Furthermore, an air deflector is arranged at an air outlet of the anti-collision guardrail; when the air heater is started, the PLC intelligent control device controls the air deflector to be obliquely opened downwards so that hot air blown out by the air heater is blown to the bridge floor; when the air heater is closed, the PLC intelligent control device controls the air deflector to be closed.
Further, the bridge floor temperature and humidity detection device is a temperature and humidity camera.
Further, when the heating device is closed, the PLC intelligent control device controls the solar power generation device to supply power to the bridge floor lighting system.
Has the advantages that: (1) according to the invention, the temperature and humidity information of the bridge floor can be monitored in real time through the bridge floor temperature and humidity detection device;
(2) the temperature of the bridge deck is controlled by the heating device, so that the bridge deck is prevented from being frozen, and the traffic and driving safety of the bridge deck is guaranteed;
(3) the solar energy is fully utilized for power generation, so that power is supplied to an intelligent heat insulation system for preventing the bridge deck from freezing, and power can be supplied to a bridge deck lighting system, and the energy is saved and the environment is protected;
(4) the intelligent heat insulation system for preventing bridge deck from freezing is simple in construction and maintenance and achieves intelligent operation.
Drawings
FIG. 1 is a frame diagram of an intelligent thermal insulation system for preventing bridge deck icing according to the present invention;
FIG. 2 is a perspective view of the installation of the intelligent thermal insulation system for preventing bridge deck icing according to the present invention;
FIG. 3 is a side view of the heating apparatus of the present invention;
FIG. 4 is an installation front view of the intelligent thermal insulation system for preventing bridge deck icing according to the invention.
Detailed Description
The invention provides an intelligent thermal insulation system for preventing bridge deck from icing, which comprises the following components in parts by weight as shown in figures 1 to 4:
the heating device comprises an air heating machine 1, a temperature sensor and an air speed sensor 2; the air heating machine 1 is arranged inside the anti-collision guardrails 3 on two sides of the bridge and used for heating the bridge floor 7, keeping the temperature and the humidity of the bridge floor 7 stable and preventing the bridge floor 7 from being frozen; the temperature sensor and the wind speed sensor 2 are arranged at the air outlet end of the air heating machine 1 and are respectively used for monitoring the air outlet temperature and the air speed of the air heating machine 1;
the bridge deck temperature and humidity detection devices 4 are arranged above the anti-collision guardrails 3 at intervals and used for collecting temperature and humidity information of the bridge deck 7; preferably, the bridge deck temperature and humidity detection device 4 is a temperature and humidity camera, has a traffic monitoring function, is arranged in a group at intervals of 30 m, and collects temperature and humidity information in the area;
the intelligent PLC control device receives the temperature and humidity information of the bridge floor 7 sent by the bridge floor temperature and humidity detection device 4, and when the temperature and the humidity of the bridge floor 7 reach icing conditions, the heating device is started to heat the bridge floor 7, so that the occurrence of freezing damage is prevented;
the electric power storage device adopts a solar power generation device 5, utilizes a lead storage battery to carry out solar power generation and electric power storage, and the solar power generation device 5 is installed on two sides of the bridge body 6 and is used for supplying power for the heating device, the bridge deck temperature and humidity detection device 4 and the PLC intelligent control device.
A plurality of air outlets are formed in one side, facing the road surface, of the anti-collision guardrail 3; the air outlets correspond to the air outlet ends of the air heating machine 1 one by one. An air deflector is arranged at an air outlet of the anti-collision guardrail 3; when the air heater 1 is started, the PLC intelligent control device controls the air deflector to be obliquely opened downwards, so that hot air blown out by the air heater 1 is blown to the bridge floor 7; when the air heater 1 is closed, the PLC intelligent control device controls the air deflector to be closed, and the bridge deck crane is prevented from bringing dust to affect the normal use of the air heater 1.
When the heating device is closed, the PLC intelligent control device controls the solar power generation device 5 to supply power to the lighting system of the bridge floor.
The intelligent heat insulation system for preventing bridge deck icing has the following installation mode:
1. the method comprises the following steps of (1) customizing and installing the air heating machines 1 according to the length of a bridge, installing the air heating machines 1 on two sides of a bridge anti-collision guardrail 3, and sequentially installing 3 air heating machines 1 from top to bottom;
2. calculating the energy consumption of the air heating machine 1, installing and debugging the solar power generation device 5, wherein most of the electric energy can be supplied to a bridge deck lighting system because the icing phenomenon exists in most of areas only in winter and the heating device does not need to be started most of the time, the solar power generation plates are installed on two sides of the bridge body 6, and the angle frames are used for carrying out safe and stable reinforcement to avoid influencing navigation of a channel;
3. a temperature sensor and an air speed sensor 2 are installed at the air outlet end of each air heating machine 1 for monitoring the temperature and the air speed so as to prevent potential safety hazards of a bridge caused by the influence of the temperature and the air speed;
4. a plurality of bridge deck temperature and humidity detection devices 4 are arranged on the bridge body to monitor the bridge deck in real time, and when the icing condition is reached, the heating device is started;
5. and completing the installation and operation debugging of the intelligent bridge deck icing heat preservation system.
Claims (7)
1. The utility model provides a prevention bridge floor intelligence heat preservation system that freezes which characterized in that: the method comprises the following steps:
the heating device comprises an air heating machine, a temperature sensor and an air speed sensor; the air heating machine is arranged inside the anti-collision guardrails on the two sides of the bridge and used for heating the bridge floor, and the temperature sensor and the air speed sensor are arranged at the air outlet end of the air heating machine and respectively used for monitoring the air outlet temperature and the air speed of the air heating machine;
the bridge deck temperature and humidity detection devices are arranged above the anti-collision guardrails at intervals and used for collecting temperature and humidity information of the bridge deck;
the intelligent PLC control device receives the temperature and humidity information of the bridge floor sent by the bridge floor temperature and humidity detection device, and when the temperature and the humidity of the bridge floor reach an icing condition, the heating device is started to heat the bridge floor;
the solar power generation device is arranged on two sides of the bridge body and used for supplying power to the heating device, the bridge deck temperature and humidity detection device and the PLC intelligent control device.
2. The intelligent thermal insulation system for preventing bridge deck icing according to claim 1, wherein: the air heater adopts heating type air curtain machine, and a plurality of air heaters from the top down install inside the crash barrier in proper order.
3. The intelligent thermal insulation system for preventing bridge deck icing according to claim 2, wherein: every air-out end department of air heater all is equipped with a temperature sensor and wind speed sensor.
4. The intelligent thermal insulation system for preventing bridge deck icing according to claim 2, wherein: a plurality of air outlets are formed in one side, facing the road surface, of the anti-collision guardrail; the air outlets correspond to air outlet ends of the air heating machine one by one.
5. The intelligent thermal insulation system for preventing bridge deck icing according to claim 4, wherein: an air deflector is arranged at an air outlet of the anti-collision guardrail; when the air heater is started, the PLC intelligent control device controls the air deflector to be obliquely opened downwards so that hot air blown out by the air heater is blown to the bridge floor; when the air heater is closed, the PLC intelligent control device controls the air deflector to be closed.
6. The intelligent thermal insulation system for preventing bridge deck icing according to claim 1, wherein: the bridge floor temperature and humidity detection device is a temperature and humidity camera.
7. The intelligent thermal insulation system for preventing bridge deck icing according to claim 1, wherein: when the heating device is closed, the PLC intelligent control device controls the solar power generation device to supply power to the bridge floor lighting system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010303748.4A CN111549649A (en) | 2020-04-17 | 2020-04-17 | Intelligent heat preservation system for preventing bridge deck from freezing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010303748.4A CN111549649A (en) | 2020-04-17 | 2020-04-17 | Intelligent heat preservation system for preventing bridge deck from freezing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111549649A true CN111549649A (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010303748.4A Pending CN111549649A (en) | 2020-04-17 | 2020-04-17 | Intelligent heat preservation system for preventing bridge deck from freezing |
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| Country | Link |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19802762A1 (en) * | 1998-01-26 | 1999-07-29 | Bock Manfred | Bridge portal |
| CN202181505U (en) * | 2011-01-26 | 2012-04-04 | 张建忠 | Anti-freezing bridge |
| CN103132421A (en) * | 2013-03-14 | 2013-06-05 | 云南云岭高原山区公路工程检测有限公司 | System for automatically removing water, ice and snow on road surface |
| CN203113219U (en) * | 2013-03-13 | 2013-08-07 | 杨德山 | Highway bridge capable of preventing freeze and accumulated snow through solar energy |
| CN205604004U (en) * | 2016-01-18 | 2016-09-28 | 刘一博 | Bridge surface ice -melt system |
| CN106245489A (en) * | 2016-09-20 | 2016-12-21 | 阜南县申通机械制造有限公司 | A kind of anti-freeze intelligence system of bridge floor |
| CN208213713U (en) * | 2018-02-11 | 2018-12-11 | 中铁大桥科学研究院有限公司 | A kind of bridge cable deicing system |
| CN110130983A (en) * | 2019-04-09 | 2019-08-16 | 淮阴工学院 | A kind of novel tunnel in cold area hole front end heat-insulation system device and its control method |
| CN209353190U (en) * | 2018-12-17 | 2019-09-06 | 山东省交通规划设计院 | Utilize the bridge floor intelligence deicing system of solar energy |
| CN209619846U (en) * | 2018-03-07 | 2019-11-12 | 山东交通学院 | A kind of anti-fall ice production apparatus for overpass discharge outlet |
-
2020
- 2020-04-17 CN CN202010303748.4A patent/CN111549649A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19802762A1 (en) * | 1998-01-26 | 1999-07-29 | Bock Manfred | Bridge portal |
| CN202181505U (en) * | 2011-01-26 | 2012-04-04 | 张建忠 | Anti-freezing bridge |
| CN203113219U (en) * | 2013-03-13 | 2013-08-07 | 杨德山 | Highway bridge capable of preventing freeze and accumulated snow through solar energy |
| CN103132421A (en) * | 2013-03-14 | 2013-06-05 | 云南云岭高原山区公路工程检测有限公司 | System for automatically removing water, ice and snow on road surface |
| CN205604004U (en) * | 2016-01-18 | 2016-09-28 | 刘一博 | Bridge surface ice -melt system |
| CN106245489A (en) * | 2016-09-20 | 2016-12-21 | 阜南县申通机械制造有限公司 | A kind of anti-freeze intelligence system of bridge floor |
| CN208213713U (en) * | 2018-02-11 | 2018-12-11 | 中铁大桥科学研究院有限公司 | A kind of bridge cable deicing system |
| CN209619846U (en) * | 2018-03-07 | 2019-11-12 | 山东交通学院 | A kind of anti-fall ice production apparatus for overpass discharge outlet |
| CN209353190U (en) * | 2018-12-17 | 2019-09-06 | 山东省交通规划设计院 | Utilize the bridge floor intelligence deicing system of solar energy |
| CN110130983A (en) * | 2019-04-09 | 2019-08-16 | 淮阴工学院 | A kind of novel tunnel in cold area hole front end heat-insulation system device and its control method |
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Application publication date: 20200818 |
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| RJ01 | Rejection of invention patent application after publication |