CN105386406B - Scanning type circulating power supply snow and ice melting bridge deck electric heating system - Google Patents
Scanning type circulating power supply snow and ice melting bridge deck electric heating system Download PDFInfo
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- CN105386406B CN105386406B CN201510650151.6A CN201510650151A CN105386406B CN 105386406 B CN105386406 B CN 105386406B CN 201510650151 A CN201510650151 A CN 201510650151A CN 105386406 B CN105386406 B CN 105386406B
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- electric heating
- heating unit
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- electric
- snow
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Classifications
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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
-
- 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
-
- 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
- E01C11/265—Embedded electrical heating elements ; Mounting thereof
Abstract
The invention discloses a scanning type circulating power supply snow and ice melting bridge deck electric heating system. The snow and ice melting bridge deck electric heating system is divided into independent controllable parallel electric heating units according to electric load capacities; the electric heating units are arranged in parallel in the form of a longitudinal array according to a set distance; and the electric heating units in the longitudinal array are controlled in groups to work in circulation in the form of scanning according to a set time sequence. According to the invention, available electric power of a power supply system can be sufficiently utilized and the total power of the electric heating system is ensured; the heating uniformity is improved and secondary icing of melted water is avoided; the reliability of a snow and ice melting system is improved and convenience is brought to the maintenance; the scanning type circulating power supply snow and ice melting bridge deck electric heating system can be widely applied to various special road sections including airport runways, tunnel entrance transitional areas and the like so that the electric heating snow and ice melting method is well applied.
Description
The application is Application No. 2014100786160；The applying date is on March 5th, 2014, invention entitled: one kind is swept
Retouch the ice-melt snowbridge face electric heating system of formula cycle power, apply for the divisional application of artificial HeFei University of Technology.
Technical field
The present invention relates to a kind of ice-melt snowbridge face electric heating system, it is the snow melt for occasions such as bridge floor, road surface or airfield pavements
Change the electric heating system of ice.
Background technology
The method of the snow-ice melting system commonly used both at home and abroad at present mainly has removing method and thawing method.Removing method is manually clear
Except method and mechanical removal method；Thawing method includes chemical thawing method, hot thawing method；Road surface new material deicing snow dust (adds salt
Class compound is from method for releasing, interpolation conductive material current flow method)；Melt method, dispense sand in addition with solar energy and earth source heat pump
Stone material and seif-citing rate elastic planking technology etc..
Electric heating system deicing or snow melting method, ice-melt snow speed is fast, automation and intelligence degree high, can remote real_time control,
Do not corrode and pollute environment, during ice-melt snow, do not interfere with real-time traffic, the traffic capacity can be effectively improved, reduce traffic thing
Therefore incidence.
For the method for electric heating deicing or snow melting, generally require large area laying electric calorifie installation and form whole electric heating system
System, but when all electric calorifie installations carry out overall heating in for whole electric heating system, need sizable electric power to give
Support, and electric current is big, transmission cable caloric value is big, power consumption is big.In order to adapt to such electric heating deicing or snow melting method, often
Rule way be equipped with high-power transformer station, become piezoelectricity tower, high-power switch board, and increase transmission cable diameter or add send out
Motor etc..But, the construction of relevant device and later stage operation maintenance process are required for substantial amounts of fund in advance to support, and bridge
Face or snow-ice melting system system in other seasons in addition to winter substantially all in idle state, for grade in the wild
Highway, apart from industrial electro or charge station, service area distant when, electricity consumption just seems more awkward, and these situations are tight
Important place suppression even prevents the popularization and application of electric heating deicing or snow melting.
Content of the invention
The present invention is the weak point for avoiding above-mentioned prior art to be deposited, and provides a kind of ice-melt of scan-type cycle power
Snowbridge face electric heating system, so that electric heating deicing or snow melting technology is in specific road section, such as bridge floor, airfield runway etc. must well be answered
With it is ensured that road safety is unimpeded.
The present invention is to solve technical problem to adopt the following technical scheme that
The feature of the ice-melt snowbridge face electric heating system of scan-type cycle power of the present invention is: electric heating system is avenged in bridge floor ice-melt
It is divided into individually controllable each parallel connection electric heating unit by electric load ability, described each electric heating unit is along vehicle heading by setting
The parallel laying of fixed spacing, in longitudinal array, controls each electric heating unit in described longitudinal array to be grouped by the form scanning to set
Sequential circulation work.
The feature of the ice-melt snowbridge face electric heating system of scan-type cycle power of the present invention lies also in: described each electric heating unit is certainly
One lateral opposite side of longitudinal array is labeled as l1, l2 ... ln successively by sequence of natural numbers；Described n is electric heating list in longitudinal array
The quantity of unit；N electric heating unit is divided into s electric heating unit group, and presses sequence of natural numbers respectively by each electric heating unit group mark
It is designated as: z1, z2 ... zs；In each electric heating unit group, the quantity of electric heating unit is m, and has: m=n/s, wherein n are the integer of s
Times, described s presses in a rule and is obtained by formula (1) formula: s=pAlways/p (1)；
In formula (1): pAlwaysFor the general power of bridge floor electric heating system, p can provide electrical power for bridge floor electric power system.
The feature of the ice-melt snowbridge face electric heating system of scan-type cycle power of the present invention also resides in: described n electric heating unit
It is to be divided into s electric heating unit group as follows:
Each electric unit in electric heating unit group z1 is respectively: l1, l (1+m), l (1+2m) ... l [1+ (s-1) m]
Each electric unit in electric heating unit group z2 is respectively: l2, l (2+m), l (2+2m) ... l [2+ (s-1) m]
…
Each electric unit in electric heating unit group zs is respectively: lm, l (2m), l (m+2m) ... l [m+ (s-1) m]
Described each electric heating unit packet is in the way of the form of scanning is with the sequential circulation work that sets:
Step 1, first to electric heating unit group z1 continuous power-on time t, other each electric heating unit groups are shape of stopping power supply
State；
Step 2, therewith continuous power-on time t to electric heating unit group z2, other each electric heating unit groups are shape of stopping power supply
State；
…
Step 3, until power-on time t continuous to electric heating unit group zs, other each electric heating unit groups are shape of stopping power supply
State；
Again press step 1-3 circulate said process, a cycle period t=t × s, until bridge floor reach set temperature value or
The temperature range value reaching setting completes ice-melt snow process.
Compared with the prior art, the present invention has the beneficial effect that:
1st, the present invention changes " system bulk supply " is by electric heating unit group scan-type cycle power, by controlling each electric heating
Unit Grouping scan formula circulation work, efficiently solve the problems, such as overall mat formation that electric calorifie installation power is excessive cannot to be used, make electricity
The method of hot deicing or snow melting obtains good application.
2nd, in the present invention, the individually controllable of each electric heating unit improves the reliability that electric heating system is avenged in ice-melt, convenient detection dimension
Repair, in the case of some or the damage of multiple electric heating unit, do not affect other electric heating unit normal works, improve snow melt
The reliability of ice system, also offers convenience for maintenance.
3rd, electric heating unit is laid in longitudinal array along vehicle heading is parallel by the present invention, one or more having
The interruption blind area of deicing or snow melting, in the case that electric heating unit damages, will not be formed along vehicle heading on road surface, it is to avoid
, along when laying damage perpendicular to vehicle heading, locally ice-melt snow and is interrupted the resistance that blind area is caused to driving in electric heating unit
Hinder, reliability is high, has been greatly reduced the possibility of secondary icing simultaneously.
4th, each electric heating unit is grouped setting by the present invention, and press s=p total/quantity of p setting electric heating unit group, both fully
The there is provided electrical power of electric power system is provided, so that the general power of electric heating system is ensured again.
5th, the present invention makes the up-front investment of electric heating deicing or snow melting system and later stage operation cost are greatly reduced.
6th, for the specific block form of each electric heating unit in the present invention, effectively prevent local and ice-melt snow heating occurs
Blind area, improves the uniformity of heating, it is to avoid the secondary icing of thawing water.
7th, the invention is not limited in bridge floor in field of traffic, for various special road sections, enter including airfield runway, tunnel
Mouth transitional region etc. can extensively be applied.
Brief description
Fig. 1 is electric heating unit of the present invention arrangement schematic diagram on bridge floor；
Fig. 2 is grouped schematic diagram for electric heating unit of the present invention；
Specific embodiment
Referring to Fig. 1, in the present embodiment, the structure setting of the ice-melt snowbridge face electric heating system of scan-type cycle power is: by bridge
Face ice-melt is avenged electric heating system and is divided into individually controllable each parallel connection electric heating unit by electric load ability, and each electric heating unit is along vehicle
It is in longitudinal array that travel direction presses parallel laying of the spacing setting, and controls each electric heating unit packet in longitudinal array to press the shape of scanning
The sequential circulation work to set for the formula.
In being embodied as, each electric heating unit is labeled as from a lateral opposite side of longitudinal array successively by sequence of natural numbers
l1、l2…ln；Described n is the quantity of electric heating unit in longitudinal array；N electric heating unit is divided into s electric heating unit group, and
By sequence of natural numbers respectively each electric heating unit group echo is: z1, z2 ... zs；The quantity of electric heating unit in each electric heating unit group
For m, and have: m=n/s, wherein n are the integral multiple of s, described s presses in a rule and obtained by formula (1) formula: s=pAlways/p (1)；
In formula (1): pAlwaysFor the general power of bridge floor electric heating system, p can provide electrical power for bridge floor electric power system.
As shown in Figure 1 and Figure 2, bridge floor 1, bridge floor heat-conducting layer 2, electric heating unit 3, control circuit power distribution cabinet 4, bridge are comprised in Fig. 1
Face direction of traffic 5.All electric heating units 3 are labeled as on bridge floor and successively with setting spacing parallel laid by direction of traffic
L1, l2, l3 l9, that is, n is 9 again from the side Access Control circuit distribution cabinet 4 of bridge.Power can be provided according to scene,
Nine electric heating units 3 are divided into three electric heating unit groups, that is, s is 3, is respectively labeled as z1, z2 and z3, electricity in each unit group
The quantity of hot cell is 9/3=3, and that is, m is 3.When, in practice, electric heating unit can not be divided exactly by electric heating unit group number
When, remaining unit number is returned in last group.
Referring to Fig. 2, in the present embodiment, n electric heating unit is to be divided into s electric heating unit group as follows:
Each electric unit in electric heating unit group z1 is respectively: l1, l (1+m), l (1+2m) ... l [1+ (s-1) m]
Each electric unit in electric heating unit group z2 is respectively: l2, l (2+m), l (2+2m) ... l [2+ (s-1) m]
…
Each electric unit in electric heating unit group zs is respectively: lm, l (2m), l (m+2m) ... l [m+ (s-1) m]
As shown in Fig. 2 each electric heating unit in electric heating unit group z1 is respectively: l1, l4 and l7；In electric heating unit group z2
Each electric heating unit is respectively: l2, l5 and l8；Each electric heating unit in electric heating unit group z3 is respectively: l3, l6 and l9；
The packet of each electric heating unit is in the way of the form of scanning is with the sequential circulation work that sets:
Step 1, first to electric heating unit group z1 continuous power-on time t, other each electric heating unit groups are shape of stopping power supply
State；
Step 2, therewith continuous power-on time t to electric heating unit group z1, other each electric heating unit groups are shape of stopping power supply
State；
…
Step 3, until power-on time t continuous to electric heating unit group zs, other each electric heating unit groups are shape of stopping power supply
State；
Again press step 1-3 circulate said process, a cycle period t=t × s, until bridge floor reach set temperature value or
The temperature range value reaching setting completes ice-melt snow process.
Its circulation working method of form is as shown in Figure 2:
Continuous power-on time t first to electric heating unit group z1, two electric heating unit groups of z2, z3 are the state of stopping power supply；
Continuous power-on time t to electric heating unit group z2 therewith, two electric heating unit groups of z1, z3 are the state of stopping power supply；
Thereafter continuous power-on time t to electric heating unit group z3, two electric heating unit groups of z1, z2 are the state of stopping power supply；
Press said process circulation work again, a cycle period is t=3t, until bridge floor reaches set temperature value or reaches
The temperature range value setting completes ice-melt snow process.
In real work, electric heating unit is all individually controllable, and along the laying of direction of traffic uniform parallel, spacing is less, when
Wherein certain electric heating unit hinders and during cisco unity malfunction for some reason, does not interfere with other electric heating unit normal works, nor affects on
Overall ice-melt effect, improves the reliability of system.
Technical solution of the present invention d ramp location at the South Exit of highway Fuyang, Fuyang Xincai has carried out practice.
70 meters of live ring road bridge floor length, is two-way one lane Bridge width 7m, the heating cable as electric heating unit is only laid on utilization rate
The wide mid portion of highest 3.75m, heating cable spacing is 5cm, is longitudinally laid on bridge floor according to direction of traffic.Bridge floor is total
Length is 60m, and the length of every heating cable is 140m, lays 36 altogether, and the electric power of every heating cable is 25w/m,
Then general power needed for scene is 126kw, and general power 50kw more than needed that scene can be provided by, therefore packet count are 126/50=
2.52, it is taken as three groups using entering a method.
According to group technology of the present invention, 36 heating cables are grouped, wherein 1,4,7 34 is the
One group, 2,5,8 35 are second group, and 3,6,9 36 are the 3rd group.Then according to supplier of electricity provided by the present invention
Method is powered, and first first group of heating cable is powered 3 minutes, does not power for other two groups；Again to second group of heating cable
It is powered 3 minutes, equally do not power for other two groups；Again the 3rd group of heating cable is powered 3 minutes, other two groups do not supply
Electricity；Again first group of heating cable is powered, so circulate, realize cycle power during scanning.
Technical solution of the present invention had both taken full advantage of the provided electrical power of electric power system, made the total work of electric heating system again
Rate is ensured；And improve the uniformity of heating, it is to avoid the secondary icing of thawing water；Improve the reliability of deicing or snow melting system
Property, offer convenience for maintenance；For various special road sections, can extensively answer including airfield runway, tunnel portal transitional region etc.
With making the method for electric heating deicing or snow melting obtain good application.
It is contemplated that the present invention may be use with indoor culture warming, solve the problems, such as that self-employed worker's electric power is limited, and
Achieve uniform heating；The present invention can be also used for house ornamentation floor heating heat supply, conventional mode of heating by electric power limited into
The heating of row point room, present invention achieves uniformly heat to whole room simultaneously.
Claims (1)
1. the ice-melt snowbridge face electric heating system of a kind of scan-type cycle power, is characterized in that: bridge floor ice-melt snow electric heating system is pressed
Electric load ability is divided into individually controllable each parallel connection electric heating unit, and described each electric heating unit is pressed along vehicle heading and set
Spacing parallel lay in longitudinal array, control each electric heating unit packet in described longitudinal array by the form of scanning to set
Sequential circulation work；Described each electric heating unit from a lateral opposite side of longitudinal array by sequence of natural numbers be labeled as successively l1,
L2 ... ln, n=9；Described n is the quantity of electric heating unit in longitudinal array；N electric heating unit is divided into s electric heating unit group,
And by sequence of natural numbers by each electric heating unit group echo be respectively: z1, z2 ... zs, s=3；Electric heating list in each electric heating unit group
The quantity of unit is m, and has: m=n/s, wherein n are the integral multiple of s, and described s presses in a rule and obtained by following formula: s=pAlways/p；
In formula: pAlwaysFor the general power of bridge floor electric heating system, p can provide electrical power for bridge floor electric power system；
Each electric heating unit in electric heating unit group z1 is respectively: l1, l4 and l7；
Each electric heating unit in electric heating unit group z2 is respectively: l2, l5 and l8；
Each electric heating unit in electric heating unit group z3 is respectively: l3, l6 and l9；
Described each electric heating unit packet is in the way of the form of scanning is with the sequential circulation work that sets:
Step 1, first to electric heating unit group z1 continuous power-on time t, other each electric heating unit groups are the state of stopping power supply；
Step 2, therewith continuous power-on time t to electric heating unit group z2, other each electric heating unit groups are the state of stopping power supply；
…
Step 3, until power-on time t continuous to electric heating unit group zs, other each electric heating unit groups are the state of stopping power supply；
Press step 1-3 again and circulate said process, a cycle period t=t × s, until bridge floor reaches set temperature value or reaches
The temperature range value setting completes ice-melt snow process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650151.6A CN105386406B (en) | 2014-03-05 | 2014-03-05 | Scanning type circulating power supply snow and ice melting bridge deck electric heating system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078616.0A CN103821086B (en) | 2014-03-05 | 2014-03-05 | A kind of ice-melt snowbridge face electric heating system of scan-type cycle power |
| CN201510650151.6A CN105386406B (en) | 2014-03-05 | 2014-03-05 | Scanning type circulating power supply snow and ice melting bridge deck electric heating system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410078616.0A Division CN103821086B (en) | 2014-03-05 | 2014-03-05 | A kind of ice-melt snowbridge face electric heating system of scan-type cycle power |
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| Publication Number | Publication Date |
|---|---|
| CN105386406A CN105386406A (en) | 2016-03-09 |
| CN105386406B true CN105386406B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410078616.0A Active CN103821086B (en) | 2014-03-05 | 2014-03-05 | A kind of ice-melt snowbridge face electric heating system of scan-type cycle power |
| CN201510650151.6A Active CN105386406B (en) | 2014-03-05 | 2014-03-05 | Scanning type circulating power supply snow and ice melting bridge deck electric heating system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410078616.0A Active CN103821086B (en) | 2014-03-05 | 2014-03-05 | A kind of ice-melt snowbridge face electric heating system of scan-type cycle power |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108200676B (en) * | 2017-12-29 | 2020-09-01 | 合肥工业大学 | Control method of ice and snow melting electric heating system |
| CN109468909A (en) * | 2018-10-26 | 2019-03-15 | 河海大学 | A kind of connected section bridge anti-freezing system of the bridge tunnel based on semiconductor laser technique |
| CN113323690B (en) * | 2021-07-08 | 2023-08-22 | 山东建筑大学 | Deicing system and method for tunnel lining in cold region |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10237809A (en) * | 1997-03-03 | 1998-09-08 | Sanden Corp | Road surface snow melting device |
| JP2003254612A (en) * | 2002-03-05 | 2003-09-10 | Kubota Corp | Cogeneration system and snow melting facility using the same |
| JP4237168B2 (en) * | 2005-08-04 | 2009-03-11 | 株式会社ティーネットジャパン | Heating equipment and road heater |
| CN101701445A (en) * | 2009-10-29 | 2010-05-05 | 浙江石金玄武岩纤维有限公司 | Basalt fiber and carbon fiber compound geogrid with electric heating function |
| KR101065438B1 (en) * | 2010-02-26 | 2011-09-16 | 주식회사 우석 | Snow Melting Device with Improved Power Saving Function |
| CN102635049A (en) * | 2011-02-15 | 2012-08-15 | 大连创达技术交易市场有限公司 | Snow-melting ice-thawing method of composite mesh grid |
| CN203128975U (en) * | 2013-03-14 | 2013-08-14 | 尹无忌 | Automatic microwave deicing system for bridge pavement |
| CN103243628B (en) * | 2013-05-21 | 2015-08-19 | 台州市四方交通建设工程有限公司 | The facility of Initiative Defense road, bridge, road, field ice disaster and construction method thereof |
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2014
- 2014-03-05 CN CN201410078616.0A patent/CN103821086B/en active Active
- 2014-03-05 CN CN201510650151.6A patent/CN105386406B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103821086B (en) | 2015-09-16 |
| CN103821086A (en) | 2014-05-28 |
| CN105386406A (en) | 2016-03-09 |
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