CN104404872B - A kind of highway bridge heat distribution pipeline anti-icing system control device and control method - Google Patents

A kind of highway bridge heat distribution pipeline anti-icing system control device and control method Download PDF

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Publication number
CN104404872B
CN104404872B CN201410764308.3A CN201410764308A CN104404872B CN 104404872 B CN104404872 B CN 104404872B CN 201410764308 A CN201410764308 A CN 201410764308A CN 104404872 B CN104404872 B CN 104404872B
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frequency
temperature
water pump
bridge deck
bridge
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CN104404872A (en
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李孔清
邹声华
张登春
张坻
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HUNAN COMMUNICATIONS RESEARCH INSTITUTE Co.,Ltd.
Hunan Expressway Group Co., Ltd
Hunan University of Science and Technology
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Hunan University of Science and Technology
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/24Methods or arrangements for preventing slipperiness or protecting against influences of the weather
    • E01C11/26Permanently installed heating or blowing devices ; Mounting thereof
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/24Methods or arrangements for preventing slipperiness or protecting against influences of the weather
    • E01C11/26Permanently installed heating or blowing devices ; Mounting thereof
    • E01C11/265Embedded electrical heating elements ; Mounting thereof

Abstract

The invention discloses a kind of highway bridge heat distribution pipeline anti-icing system control device and control method.Control device of the present invention comprise be installed on each water heater and be laid on bridge floor layer under variable frequency pump on connection total pipeline between heat distribution pipeline; Also comprise bridge deck temperature sensor, pontic temperature pick up, sky radiation temperature pick up, Atmosphere temp.and RH sensor and air velocity transducer, the total flowmeter for pipe of heat distribution pipeline, feed flow temperature pick up, time liquid temp sensor; Each sensor is connected with controller, and controller is connected with each water heater, pump variable frequency device.The startup stage that control method of the present invention mainly comprising, rate-determining steps, anti-icing operation phase rate-determining steps and system stop rate-determining steps.The present invention is energy-saving and cost-reducing, anti-icing effective, can automatically run, ascending, descending frequency modulation joint is carried out to water pump, control is closed down to water heater and system.

Description

A kind of highway bridge heat distribution pipeline anti-icing system control device and control method
Technical field
The invention belongs to traffic safety and emergency guarantee technical field, be specifically related to a kind of highway bridge heat distribution pipeline anti-icing system control device and control method.
Background technology
Every winter, China's most area there will be freezing, sleety weather, the regional areas such as the bridge on speedway, tunnel face due to its environment special, icing phenomenon can be more serious, and the automobile now travelled on this kind of road surface easily causes serious traffic accidents because of wheel-slip.Traditional deicing method mainly comprises mechanical deicing's method, traditional Snow Agent deicing method and electric cable heating deicing method and the anti-icing method of heat distribution pipeline.
Although mechanical deicing's method has, effect is high, the advantage of mobility strong, but machine cost is high, because needs manual operation is under bad weather condition, there is larger potential safety hazard, need closed highway to affect traffic during work, road pavement have huge damage and deicing not in time.The deicing of tradition Snow Agent can accelerate road surface breakage, reduces the application life on road surface.
Electric cable heating deicing method is that the one in recent years occurred overlays electric heater unit between surface course and basic unit, reaches the object of electric heater unit heating and realize deicing by adjustment operating voltage or electric current.This kind of method existence installation and later maintenance inconvenience, operating power consumption cross the shortcomings such as high.
The anti-icing method of heat distribution pipeline is by arranging heat distribution pipeline in bridge floor lower floor, by heat source solution such as boilers, circulates under the paving layer of pontic, and bridge floor is heated up thus a kind of technology of making ice.But it is very large that bridge floor melts anti-icing system overall load, there is heating not in time or the reason such as dwell time is incorrect in prior art, causes energy consumption excessive, and bridge floor is overheated and sometimes react and cause icy on road not in time or do not have the shortcomings such as anti-icing effect.
Therefore, be necessary that design is a kind of for highway bridge anti-icing and de-icing device and method.
Summary of the invention
An object of the present invention is the above-mentioned defect for existing in the anti-icing technology of existing heat distribution pipeline, provides a kind of energy-saving and cost-reducing, anti-icing effective, highway bridge heat distribution pipeline anti-icing system control device that can automatically run.
Above-mentioned purpose of the present invention realizes by the following technical solutions; This highway bridge heat distribution pipeline anti-icing system control device, comprises the variable frequency pump on the connection total pipeline under being installed on each water heater and being laid on bridge floor layer between heat distribution pipeline; It also comprises the bridge deck temperature sensor be installed on bridge floor, be installed on the pontic temperature pick up of pontic inside, be installed on the sky radiation temperature pick up on bridge, Atmosphere temp.and RH sensor and air velocity transducer, be installed on flow meter, feed flow temperature pick up, time liquid temp sensor that heat distribution pipeline house steward imports and exports position; The output of described bridge deck temperature sensor, pontic temperature pick up, sky radiation temperature pick up, Atmosphere temp.and RH sensor, air velocity transducer, feed flow temperature pick up, time liquid temp sensor is connected with the input of controller respectively, and the output of controller is connected with each water heater, pump variable frequency device.
Two of object of the present invention is to provide the control method based on above-mentioned highway bridge heat distribution pipeline anti-icing system control device, and the startup stage that the method comprising, rate-determining steps, anti-icing operation phase rate-determining steps and system stop rate-determining steps; Wherein:
The startup stage of described, rate-determining steps is, the data Collection & Processing System be made up of sky radiation temperature pick up, Atmosphere temp.and RH sensor, air velocity transducer, bridge deck temperature sensor, pontic temperature pick up, the total flowmeter for pipe of heat distribution pipeline, feed flow temperature pick up, time liquid temp sensor, controller calculates bridge deck overlays net heating quantity Q 3;
As bridge deck overlays net heating quantity Q 3>=0, then judge that whether bridge deck temperature is higher than 1.0 DEG C, as do not needed to put into operation higher than then heating system; As lower than 1.0 DEG C, then start a boiler operatiopn, water pump enters anti-icing running status after then running 30 minutes by rated frequency;
As bridge deck overlays net heating quantity Q 3<0, then judge that whether bridge deck temperature is higher than 2.5 DEG C, if higher than 2.5 DEG C, do not need to start thermal source and run; If bridge deck temperature is lower than 2.5 DEG C, calculate the number of units of required starting trouble, start thermal source and water pump operation according to required boiler number of units, water pump enters anti-icing running status after running 30 minutes by rated frequency;
Described anti-icing operation phase rate-determining steps first calculates bridge deck overlays net heating quantity Q according to the signal data of each sensor 3heating load Q actual in heat distribution pipeline 4, then by bridge deck overlays net heating quantity Q 3heating load Q actual in heat distribution pipeline 4contrast, with bridge deck overlays net heating quantity Q 3heating load Q actual in heat distribution pipeline 4difference based on regulate the frequency ascending, descending of water pump, and adopt different frequency ascending, descending schemes to regulate according to the difference of sky radiation temperature and atmospheric temperature change direction and size degree varies sample;
After water pump operation frequency is determined, judging that whether return water temperature is higher than setting value, as higher than then reducing by a boiler operatiopn, judging whether that meeting system stops rate-determining steps, satisfied then enter halted state; Judge that whether return water temperature is lower than setting value, as lower than then newly dropping into a boiler operatiopn, until all boilers all put into operation;
Described system stops rate-determining steps to be, if bridge deck temperature higher than 3.0 DEG C and continue to remain on more than 30 minutes and operating load lower than 30% of boiler output, then whole system is out of service.
Concrete, the startup stage of described in rate-determining steps, bridge deck overlays net heating quantity Q 3computational process be:
(1) the skyward radiation heat loss Q of bridge floor is calculated according to sky radiation temperature and bridge deck temperature 0, bridge deck temperature is lower than sky radiation temperature then Q 0for just, otherwise be negative;
(2) the convection current Radiant exothermicity Q on bridge surface is calculated according to the temperature of bridge floor wind speed and air and humidity and bridge deck temperature 1, bridge surface temperature is lower than atmospheric temperature then Q 1for just, otherwise be negative;
(3) the instantaneous gain and loss heat Q of bridge body is calculated according to pontic temperature and bridge deck temperature 2, pontic temperature is higher than bridge surface temperature then Q 2for just, otherwise be negative;
(4) bridge deck overlays net heating quantity Q is calculated 3=Q 2-Q 0-Q 1.
Concrete, in described anti-icing operation phase rate-determining steps, the regulation scheme of water pump frequency ascending, descending is:
(1) heating load Q as actual in heat distribution pipeline 4be more than or equal to bridge deck overlays net heating quantity Q 3, then run by following scheme:
In (1) 30 minute, sky radiation temperature often rises 1 DEG C, water pump operation frequency decrease 10Hz, judges whether lower than minimum running frequency, runs as then pressed minimum operation frequency lower than water pump minimum operation frequency;
In (2) 30 minutes, sky radiation temperature often declines 1 DEG C, and water pump operation frequency rising 5Hz, judges whether higher than maximum frequency of operation, runs as then pressed maximum running frequency higher than water pump maximum running frequency;
In (3) 30 minutes, bridge deck temperature often rises 1 DEG C, water pump operation frequency decrease 5Hz, judges whether lower than minimum running frequency, runs as then pressed minimum operation frequency lower than water pump minimum operation frequency;
In (4) 30 minutes, bridge deck temperature often declines 1 DEG C, and water pump operation frequency rising 5Hz, judges whether higher than maximum frequency of operation, runs as then pressed maximum running frequency higher than water pump maximum frequency of operation;
(2) heating load Q as actual in heat distribution pipeline 4be less than bridge deck overlays net heating quantity Q 3, then run by following scheme:
In (1) 30 minute, sky radiation temperature often rises 1 DEG C, and water pump operation frequency rising 5Hz, judges whether higher than maximum frequency of operation, as then run by maximum frequency of operation higher than water pump maximum frequency of operation;
In (2) 30 minutes, sky radiation temperature often declines 1 DEG C, and water pump operation frequency rising 15Hz, judges whether higher than maximum frequency of operation, runs as then pressed maximum running frequency higher than water pump maximum running frequency;
In (3) 30 minutes, bridge deck temperature often rises 1 DEG C, and water pump operation frequency rising 2Hz, judges whether higher than maximum frequency of operation, as then run by maximum frequency of operation higher than water pump maximum frequency of operation;
In (4) 30 minutes, bridge deck temperature often declines 1 DEG C, and water pump operation frequency rising 10Hz, judges whether higher than maximum frequency of operation, runs as then pressed maximum running frequency higher than water pump maximum frequency of operation.
The present invention adopts the sky radiation temperature pick up near layout bridge floor, Atmosphere temp.and RH sensor, air velocity transducer, bridge deck temperature sensor, pontic temperature pick up, heat distribution pipeline house steward is upper arranges that flow is taken into account import and export solution temperature sensor and known systematic parameter, calculate the actual heating load of heat distribution pipeline, the instantaneous net heating quantity of bridge deck overlays.Calculate according to actual heating load and net heating quantity and control the heating power of boiler startup and input, the control startup stage of completion system.Start heating system and after 30 minutes, proceed to the system anti-icing operation phase.In the anti-icing operation phase again according to the rule of the balance of heat supply and demand and sky radiation temperature and atmospheric temperature change, the running frequency of adjustment water pump and increase in real time or stop the number of units of boiler.Whether real-time judge meets the condition that system stops, as met system condition out of service, then and the operation of halt system.
The present invention is that heat distribution pipeline anti-icing system provides a kind of control device and control method, can realize the object of energy-saving and cost-reducing, anti-icing effective, auto-controll operation.
Accompanying drawing explanation
Fig. 1 is the theory structure schematic diagram of anti-icing system control device of the present invention.
The control flow chart startup stage that Fig. 2 being anti-icing system of the present invention.
Fig. 3 is the anti-icing operation control flow chart of anti-icing system of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
See Fig. 1, the highway bridge heat distribution pipeline anti-icing system control device of the embodiment of the present invention, comprises the variable frequency pump 3 be installed on each water heater 1 and the connection total pipeline under being laid on bridge floor layer between heat distribution pipeline 2; It also comprises the bridge deck temperature sensor 6 be installed on bridge floor, be installed on the pontic temperature pick up 10 of pontic inside, be installed on the sky radiation temperature pick up 11 on bridge, Atmosphere temp.and RH sensor 12 and air velocity transducer 13, be installed on flow meter 4, feed flow temperature pick up 5, time liquid temp sensor 7 that heat distribution pipeline 2 house steward imports and exports position; The output of bridge deck temperature sensor 6, pontic temperature pick up 10, sky radiation temperature pick up 11, Atmosphere temp.and RH sensor 12, air velocity transducer 13, feed flow temperature pick up 5, time liquid temp sensor 7 is connected with the input of controller 8 respectively, and the output of controller 8 is connected with the frequency converter 9 of each water heater 1, water pump 3.
Composition graphs 2, Fig. 3, whole control is divided into two stages by the highway bridge heat distribution pipeline anti-icing system control method of the embodiment of the present invention, is respectively and starts control stage and anti-icing operation control stage.Different phase takes different rate-determining steps.The control flow chart startup stage that Fig. 2 being, Fig. 3 is the control flow chart of anti-icing operation phase.
(1) rate-determining steps startup stage:
1) the skyward radiation heat loss Q of bridge floor is calculated according to sky radiation temperature and bridge deck temperature 0(bridge surface temperature is lower than sky radiation temperature then Q 0for just, otherwise be negative);
2) the convection current Radiant exothermicity Q on bridge surface is calculated according to the temperature of bridge floor wind speed and air and humidity and bridge deck temperature 1(bridge surface temperature is lower than atmospheric temperature then Q 1for just, otherwise be negative);
3) calculate the instantaneous of bridge body according to pontic temperature and bridge deck temperature and obtain (mistake) heat Q 2(pontic temperature is higher than bridge surface temperature then Q 2for just, otherwise be negative);
4) bridge deck overlays net heating quantity Q is calculated 3=Q 2-Q 0-Q 1, as net heating quantity Q 3>=0 illustrates that bridge deck overlays obtains hot, and bridge surface layer temperatures will rise; Judge that whether bridge deck temperature is higher than 1.0 DEG C, as do not needed to put into operation higher than then heating system; As lower than 1.0 DEG C, then start a boiler operatiopn, water pump enters anti-icing running status after then running 30 minutes by rated frequency (being generally 50Hz);
If bridge deck overlays net heating quantity Q 3<0, illustrate that bridge deck overlays is in heat radiation, bridge deck temperature will decline, and now judges that whether bridge deck temperature is higher than 2.5 DEG C, if higher than 2.5 DEG C, does not need to start thermal source and runs; If bridge deck temperature is lower than 2.5 DEG C, calculate the number of units of required starting trouble, start thermal source and water pump operation according to required boiler number of units, water pump enters anti-icing running status after running 30 minutes by rated frequency (being generally 50Hz).
(2) anti-icing operation rate-determining steps:
First the instantaneous required heating load of bridge floor layer and bridge deck overlays net heating quantity Q is calculated according to the signal data of sensor 3heating load Q actual in heat distribution pipeline 4.
As instantaneous actual heating load is more than or equal to required heating load, then run by following scheme:
1) in 30 minutes, sky radiation temperature often rises 1 DEG C, water pump operation frequency decrease 10Hz, judges whether lower than minimum running frequency, runs as then pressed minimum operation frequency lower than water pump minimum operation frequency;
2) in 30 minutes, sky radiation temperature often declines 1 DEG C, and water pump operation frequency rising 5Hz, judges whether higher than maximum frequency of operation, runs as then pressed maximum running frequency higher than water pump maximum running frequency;
3) in 30 minutes, bridge deck temperature often rises 1 DEG C, water pump operation frequency decrease 5Hz, judges whether lower than minimum running frequency, runs as then pressed minimum operation frequency lower than water pump minimum operation frequency;
4) in 30 minutes, bridge deck temperature often declines 1 DEG C, and water pump operation frequency rising 5Hz, judges whether higher than maximum frequency of operation, runs as then pressed maximum running frequency higher than water pump maximum frequency of operation;
As instantaneous actual heating load is less than required heating load (frequency rising), then run by following scheme:
1) in 30 minutes, sky radiation temperature often rises 1 DEG C, and water pump operation frequency rising 5Hz, judges whether higher than maximum frequency of operation, as then run by maximum frequency of operation higher than water pump maximum frequency of operation;
2) in 30 minutes, sky radiation temperature often declines 1 DEG C, and water pump operation frequency rising 15Hz, judges whether higher than maximum frequency of operation, runs as then pressed maximum running frequency higher than water pump maximum running frequency;
3) in 30 minutes, bridge deck temperature often rises 1 DEG C, and water pump operation frequency rising 2Hz, judges whether higher than maximum frequency of operation, as then run by maximum frequency of operation higher than water pump maximum frequency of operation;
4) in 30 minutes, bridge deck temperature often declines 1 DEG C, and water pump operation frequency rising 10Hz, judges whether higher than maximum frequency of operation, runs as then pressed maximum running frequency higher than water pump maximum frequency of operation;
After water pump operation frequency is determined, judge that whether return water temperature is higher than setting value, as higher than then reducing by a boiler operatiopn, judging whether to meet and stop rate-determining steps, satisfied then enter halted state; Judge that whether return water temperature is lower than setting value, as lower than then newly dropping into a boiler operatiopn, until all boilers all put into operation.
(3) system stops rate-determining steps:
Criterion: bridge floor sustaining temperature reaches 30 minutes higher than 3.0 DEG C, once stops a boiler, and as only having a boiler operatiopn at present, and operating load is lower than 30% of boiler output, then whole system is out of service.

Claims (3)

1. a control method for highway bridge heat distribution pipeline anti-icing system, its control device comprise be installed on each water heater and be laid on bridge floor layer under variable frequency pump on connection total pipeline between heat distribution pipeline; It also comprises the bridge deck temperature sensor be installed on bridge floor, be installed on the pontic temperature pick up of pontic inside, be installed on the sky radiation temperature pick up on bridge, Atmosphere temp.and RH sensor and air velocity transducer, be installed on flow meter, feed flow temperature pick up, time liquid temp sensor that heat distribution pipeline house steward imports and exports position; The output of described bridge deck temperature sensor, pontic temperature pick up, sky radiation temperature pick up, Atmosphere temp.and RH sensor, air velocity transducer, feed flow temperature pick up, time liquid temp sensor is connected with the input of controller respectively, and the output of controller is connected with each water heater, pump variable frequency device; It is characterized in that:
The startup stage that it comprising, rate-determining steps, anti-icing operation phase rate-determining steps and system stop rate-determining steps; Wherein:
The startup stage of described, rate-determining steps is, the data Collection & Processing System be made up of sky radiation temperature pick up, Atmosphere temp.and RH sensor, air velocity transducer, bridge deck temperature sensor, pontic temperature pick up, the total flowmeter for pipe of heat distribution pipeline, feed flow temperature pick up, time liquid temp sensor, controller calculates bridge deck overlays net heating quantity Q 3;
As bridge deck overlays net heating quantity Q 3>=0, then judge that whether bridge deck temperature is higher than 1.0 DEG C, as do not needed to put into operation higher than then heating system; As lower than 1.0 DEG C, then start a boiler operatiopn, water pump enters anti-icing running status after then running 30 minutes by rated frequency;
As bridge deck overlays net heating quantity Q 3<0, then judge that whether bridge deck temperature is higher than 2.5 DEG C, if higher than 2.5 DEG C, do not need to start thermal source and run; If bridge deck temperature is lower than 2.5 DEG C, calculate the number of units of required starting trouble, start thermal source and water pump operation according to required boiler number of units, water pump enters anti-icing running status after running 30 minutes by rated frequency;
Described anti-icing operation phase rate-determining steps first calculates bridge deck overlays net heating quantity Q according to the signal data of each sensor 3heating load Q actual in heat distribution pipeline 4, then by bridge deck overlays net heating quantity Q 3heating load Q actual in heat distribution pipeline 4contrast, with bridge deck overlays net heating quantity Q 3heating load Q actual in heat distribution pipeline 4difference based on regulate the frequency ascending, descending of water pump, and adopt different frequency ascending, descending schemes to regulate according to the difference of sky radiation temperature and atmospheric temperature change direction and size degree varies sample;
After water pump operation frequency is determined, judging that whether return water temperature is higher than setting value, as higher than then reducing by a boiler operatiopn, judging whether that meeting system stops rate-determining steps, satisfied then enter halted state; Judge that whether return water temperature is lower than setting value, as lower than then newly dropping into a boiler operatiopn, until all boilers all put into operation;
Described system stops rate-determining steps to be, if bridge deck temperature higher than 3.0 DEG C and continue to remain on more than 30 minutes and operating load lower than 30% of boiler output, then whole system is out of service.
2. highway bridge heat distribution pipeline anti-icing system control method according to claim 1, is characterized in that: the startup stage of described in rate-determining steps, bridge deck overlays net heating quantity Q 3concrete computational process be:
(1) the skyward radiation heat loss Q of bridge floor is calculated according to sky radiation temperature and bridge deck temperature 0, bridge deck temperature is lower than sky radiation temperature then Q 0for just, otherwise be negative;
(2) the convection current Radiant exothermicity Q on bridge surface is calculated according to the temperature of bridge floor wind speed and air and humidity and bridge deck temperature 1, bridge surface temperature is lower than atmospheric temperature then Q 1for just, otherwise be negative;
(3) the instantaneous gain and loss heat Q of bridge body is calculated according to pontic temperature and bridge deck temperature 2, pontic temperature is higher than bridge surface temperature then Q 2for just, otherwise be negative;
(4) bridge deck overlays net heating quantity Q is calculated 3=Q 2-Q 0-Q 1.
3. highway bridge heat distribution pipeline anti-icing system control method according to claim 1, is characterized in that: in described anti-icing operation phase rate-determining steps, the regulation scheme of water pump frequency ascending, descending specifically:
(1) heating load Q as actual in heat distribution pipeline 4be more than or equal to bridge deck overlays net heating quantity Q 3, then run by following scheme:
In (1) 30 minute, sky radiation temperature often rises 1 DEG C, water pump operation frequency decrease 10Hz, judges whether lower than minimum running frequency, runs as then pressed minimum operation frequency lower than water pump minimum operation frequency;
In (2) 30 minutes, sky radiation temperature often declines 1 DEG C, and water pump operation frequency rising 5Hz, judges whether higher than maximum frequency of operation, runs as then pressed maximum running frequency higher than water pump maximum running frequency;
In (3) 30 minutes, bridge deck temperature often rises 1 DEG C, water pump operation frequency decrease 5Hz, judges whether lower than minimum running frequency, runs as then pressed minimum operation frequency lower than water pump minimum operation frequency;
In (4) 30 minutes, bridge deck temperature often declines 1 DEG C, and water pump operation frequency rising 5Hz, judges whether higher than maximum frequency of operation, runs as then pressed maximum running frequency higher than water pump maximum frequency of operation;
(2) heating load Q as actual in heat distribution pipeline 4be less than bridge deck overlays net heating quantity Q 3, then run by following scheme:
In (1) 30 minute, sky radiation temperature often rises 1 DEG C, and water pump operation frequency rising 5Hz, judges whether higher than maximum frequency of operation, as then run by maximum frequency of operation higher than water pump maximum frequency of operation;
In (2) 30 minutes, sky radiation temperature often declines 1 DEG C, and water pump operation frequency rising 15Hz, judges whether higher than maximum frequency of operation, runs as then pressed maximum running frequency higher than water pump maximum running frequency;
In (3) 30 minutes, bridge deck temperature often rises 1 DEG C, and water pump operation frequency rising 2Hz, judges whether higher than maximum frequency of operation, as then run by maximum frequency of operation higher than water pump maximum frequency of operation;
In (4) 30 minutes, bridge deck temperature often declines 1 DEG C, and water pump operation frequency rising 10Hz, judges whether higher than maximum frequency of operation, runs as then pressed maximum running frequency higher than water pump maximum frequency of operation.
CN201410764308.3A 2014-12-11 2014-12-11 A kind of highway bridge heat distribution pipeline anti-icing system control device and control method Active CN104404872B (en)

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CN104863036A (en) * 2015-05-30 2015-08-26 北京中企卓创科技发展有限公司 Intelligent monitoring heating system for snow melting and deicing of airport pavement
CN104988830A (en) * 2015-07-20 2015-10-21 大连理工大学 Pavement deicing system for bridges with box-type cross section
CN105425854B (en) * 2015-12-20 2017-05-31 湖南科技大学 A kind of bridge cable heats anti-icing control method
CN105568814A (en) * 2015-12-21 2016-05-11 无锡信大气象传感网科技有限公司 Anti-freezing system for highway bridges
CN106522088B (en) * 2016-11-14 2018-08-21 安徽省公路工程建设监理有限责任公司 A kind of anti-freezing system for highway bridge

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JP2003328321A (en) * 2002-05-16 2003-11-19 Sumikei-Nikkei Engineering Co Ltd Floor slab made of aluminum alloy with snow-melting antifreezing apparatus
CN201459566U (en) * 2009-01-14 2010-05-12 王双其 Geothermal type pavement snow melting device for prompt elimination of snow on pavement
CN202023147U (en) * 2011-01-21 2011-11-02 张建忠 Bridge deck anti-freezing device by utilizing heat pump to increase temperature
CN203160120U (en) * 2013-03-04 2013-08-28 金陵科技学院 Bridge defroster
CN203128975U (en) * 2013-03-14 2013-08-14 尹无忌 Automatic microwave deicing system for bridge pavement
CN204325921U (en) * 2014-12-11 2015-05-13 湖南科技大学 A kind of highway bridge heat distribution pipeline anti-icing system control device

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Address before: 411201 No. 2 stone wharf, Yuhu District, Hunan, Xiangtan

Patentee before: Hunan University of Science and Technology