CN104868427A - De-icing device and inclined stay cable including same - Google Patents
De-icing device and inclined stay cable including same Download PDFInfo
- Publication number
- CN104868427A CN104868427A CN201510228319.4A CN201510228319A CN104868427A CN 104868427 A CN104868427 A CN 104868427A CN 201510228319 A CN201510228319 A CN 201510228319A CN 104868427 A CN104868427 A CN 104868427A
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- China
- Prior art keywords
- helix
- suspension cable
- burst
- deicer
- strand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/147—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising electric conductors or elements for information transfer
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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
-
- 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
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2084—Jackets or coverings characterised by their shape
- D07B2201/2086—Jackets or coverings characterised by their shape concerning the external shape
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/202—Environmental resistance
- D07B2401/203—Low temperature resistance
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2015—Construction industries
- D07B2501/203—Bridges
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B5/00—Making ropes or cables from special materials or of particular form
- D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
- D07B5/006—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties by the properties of an outer surface polymeric coating
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a de-icing device. The de-icing device comprises a power-on device, a power source part (5) and a remote control switch (6), wherein the power-on device is connected with the power source part (5) through the remote control switch (6). An inclined stay cable including the de-icing device comprises the de-icing device and an inclined stay cable (1); the power-on device of the de-icing device is located in the inclined stay cable (1) and is arranged along the whole length direction of the inclined stay cable (1); and the power source part (5) and the remote control switch (6) of the de-icing device are located at the exterior of the inclined stay cable (1). According to the de-icing device and the inclined stay cable including the same of the invention, low-voltage direct current is adopted, so that safety can be protected; and voltage is controlled within safety voltage which is below 36V, so that accidental accidents such as electric shock can be prevented. The de-icing device of the invention is provided with temperature control devices, and therefore, current can be adjusted according to temperature, and the current can be cut off after most of ice and snow is melt, and energy can be saved.
Description
Technical field
The invention belongs to engineering structure technical field, relate to a kind of deicer and comprise the suspension cable of deicer.
Background technology
Current clearing ice technology mainly comprises heating power clearing ice technology, mechanical deicing's technology and ice-covering-proof material technology.Heating power clearing ice technology is that partial short-circuit generation amount of heat melts icing, is mainly used in cable or installs various heat absorber such as solar panels.Mechanical deicing's technology is that scaling scraper carries out artificial deicing.Ice-covering-proof material technology mainly change water to the adhesive force of body surface or increase object to the absorptivity of sunlight.Current deicing patent concentrates on deicer, road surface deicing car and transmission line cabling formula ice removing machine.As: use electric power line deicer to carry out the method (patent No.: CN201210419803.1) of deicing, a kind of method (patent No.: CN201310377862.1), vehicle glass deicing blanket (patent No.: CN201320025132.0) removing powerline ice-covering, to have under removing ice of power transmission line robot Review On Key Techniques (" mechanical engineering journal " 23 phases in 2011), incentive condition deicing high-voltage power transmission line technology application study (" Proceedings of the CSEE " 18 phases in 2014) etc. about the Research Literature of clearing ice technology.
For suspension cable, traditional de-icing method is very unpractical; First, suspension cable self is not charged, cannot carry out deicing by the method for partial short-circuit.Although have at present along power transmission line walking self-propelled pole-climbing ice removing machine, due to supply of electric power and suspension cable surface affiliated facility impact, self-propelled pole-climbing ice removing machine application limited.Because suspension cable length has reached 550 meters, highly usually on 200 meters more than, bridge floor, crane can not reach.For ice-covering-proof material, only effective to subzero 2 to 0 degree weather, bad for subzero less than 5 degree weather deicing effects.
Summary of the invention
For the defect of prior art, the object of this invention is to provide a kind of deicer.
Another object of the present invention is to provide a kind of suspension cable comprising above-mentioned deicer, and deicer significantly can remove the ice and snow on suspension cable surface, improves the ability of the bearing load of suspension cable.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of deicer, comprises power device, power unit and remote control switch, and described power device is connected with described power unit by described remote control switch.
Described power device comprises first strand of helix and second strand of helix, one end of first strand of helix is connected with one end of power unit, the other end of first strand of helix is connected with the other end of second strand of helix, and one end of second strand of helix is connected with the other end of power unit by remote control switch.
The inside of described first strand of helix and described second strand of helix is equipped with resistance wire.When wire temperature exceedes default protection temperature, circuit disconnects automatically, and temperature is connected automatically lower than circuit during default deicing temperatures.
The outside of described first strand of helix and described second strand of helix is equipped with the 2nd PE protective layer.
Described first strand of helix and described second strand of helix are arranged at intervals with intelligent temperature control device.
Described first strand of helix and described second strand of helix are intertwined in a spiral form.
Comprise a suspension cable for above-mentioned deicer, comprise deicer and suspension cable, the power device of described deicer is positioned at the inside of suspension cable, and along the elongated setting of suspension cable; The power unit of deicer and remote control switch are positioned at suspension cable outside.
The 2nd PE protective layer that on described deicer, the outside of first strand of helix and second strand of helix is provided with, is connected with a PE protective layer of the steel strand wire outside of suspension cable inside.
Ultimate range between described first strand of helix and described second strand of helix is 4 ~ 6 times of suspension cable 1 diameter.
Owing to adopting such scheme, the invention has the beneficial effects as follows:
Bridge provided by the invention and building structure suspension cable deicer, by arranging resistance wire on suspension cable surface, and be wrapped on suspension cable in the form of helical lines; The present invention can improve suspension cable surface temperature by resistance wire heat production, suspension cable surface ice sheet is caused to melt, prevent suspension cable from bearing larger ice load, and arrange the problem that effectively can reduce the resonance of suspension cable wind and rain with helical wire form, on the suspension cable that can be widely used in bridge and building structure.
Surface temperature, owing to adopting Resistant heating suspension cable surface, is brought up to more than ice and snow fusing point, will significantly be reduced ice and snow load after ice dissolution by the present invention.
The present invention does not affect existing suspension cable profile, on suspension cable aerodynamic Measures without impact, resistance wire is put into helix, can not affect the profile of existing band spirality drag-line like this, and the profile of helix will significantly improve the ability of suspension cable suppression wind and rain resonance simultaneously.
The present invention adopts low voltage and direct current, and safety is secure, voltage control at below safe voltage 36V, the contingency such as prevent that personnel from getting an electric shock.
Intelligent temperature control device is equipped with in the present invention, according to temperature adjustment current conditions, can close current in time after ice and snow major part is melted, and energy savings.
Accompanying drawing explanation
Fig. 1 is for comprising the structural representation of the suspension cable of deicer shown in embodiment.
Fig. 2 is for comprising the cross-sectional structure schematic diagram of the suspension cable of deicer shown in Fig. 1.
Wherein: 1 is suspension cable, 2 is first strand of helix, and 3 is second strand of helix, and 4 is intelligent temperature control device, and 5 is power unit, and 6 is remote control switch, and 11 is suspension cable internal steel twisted wire, and 12 is a PE protective layer, and 21 is the 2nd PE protective layer.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is further elaborated.
Embodiment 1
As depicted in figs. 1 and 2, Fig. 1 is for comprising the structural representation of the suspension cable of deicer shown in embodiment; Fig. 2 is for comprising the cross-sectional structure schematic diagram of the suspension cable of deicer shown in Fig. 1.
A kind of deicer, comprise power device, power unit 5 and remote control switch 6, described power device is connected with described power unit 5 by described remote control switch 6; Power device comprises first strand of helix 2 and second strand of helix 3, one end of first strand of helix 2 is connected with one end of power unit 5, the other end of first strand of helix 2 is connected with the other end of second strand of helix 3, and one end of second strand of helix 3 is connected with the other end of power unit 5 by remote control switch 6.Wherein: the inside of first strand of helix 2 and described second strand of helix 3 is equipped with resistance wire, and resistance wire two ends lead to DC power supply, resistive heater produces heat, and voltage is no more than 36V.When wire temperature exceedes default protection temperature, circuit disconnects automatically, and temperature is connected automatically lower than circuit during default deicing temperatures.The outside of first strand of helix 2 and described second strand of helix 3 is equipped with the 2nd PE protective layer 21; first strand of helix 2 and described second strand of helix 3 are arranged at intervals with intelligent temperature control device 4, and first strand of helix 2 and second strand of helix 3 are intertwined in a spiral form.When needing to carry out deicing, connect circuit by remote control switch and carry out deicing.
Comprise a suspension cable for above-mentioned deicer, comprise deicer and suspension cable, the power device of described deicer is positioned at the inside of suspension cable, and along the elongated setting of suspension cable; Power unit 5 and the remote control switch 6 of deicer are positioned at suspension cable outside.The 2nd PE protective layer 21 that on deicer, the outside of first strand of helix 2 and second strand of helix 3 is provided with, is connected with a PE protective layer 12 of steel strand wire 11 outside of suspension cable 1 inside.Simultaneously the method for contact resistance silk and suspension cable internal steel twisted wire and energising resistance wire is wrapped up by PE layer when making suspension cable, is so both conducive to the factorial praluction of suspension cable, turn improves the adhesiveness of connecting portion.Ultimate range between first strand of helix 2 and second strand of helix 3 is 4 ~ 6 times of suspension cable 1 diameter.
There is intelligent temperature control device in circuit, energy inductive reactance silk heating-up temperature, and automatically according to temperature regulating resistance silk two ends size of current, thus control ice dissolution speed, also can reduce unnecessary energy resource consumption.In ice detachment, when wire temperature exceedes default protection temperature, circuit disconnects automatically, and temperature is connected automatically lower than circuit during default deicing temperatures.This heating means can significantly improve deicing efficiency mainly due to following two aspects: first, resistance wire adstante febre first melts the ice and snow near resistance wire, and the ice-snow melting on such suspension cable changes into fritter, compares monoblock ice and snow and more easily comes off.Secondly, the resistance wire of heating melts the ice and snow layer of attachment from inside to outside, and the water formed after bottom melts can make to be formed between suspension cable and ice and snow layer to come to nothing, and is beneficial to coming off of outer ice and snow.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, the amendment made when not departing from category of the present invention is all within protection scope of the present invention.
Claims (9)
1. a deicer, is characterized in that: comprise power device, power unit (5) and remote control switch (6), and described power device is connected with described power unit (5) by described remote control switch (6).
2. deicer according to claim 1, it is characterized in that: described power device comprises first burst of helix (2) and second burst of helix (3), one end of first burst of helix (2) is connected with one end of power unit (5), the other end of first burst of helix (2) is connected with the other end of second burst of helix (3), and one end of second burst of helix (3) is connected with the other end of power unit (5) by remote control switch (6).
3. deicer according to claim 2, is characterized in that: the inside of described first burst of helix (2) and described second burst of helix (3) is equipped with resistance wire.
4. deicer according to claim 2, is characterized in that: the outside of described first burst of helix (2) and described second burst of helix (3) is equipped with the 2nd PE protective layer (21).
5. deicer according to claim 2, is characterized in that: described first burst of helix (2) and described second burst of helix (3) are arranged at intervals with intelligent temperature control device (4).
6. deicer according to claim 2, is characterized in that: described first burst of helix (2) and described second burst of helix (3) are intertwined in a spiral form.
7. one kind comprises the suspension cable of the arbitrary described deicer of claim 1 to 6, it is characterized in that: comprise deicer and suspension cable (1), the power device of described deicer is positioned at the inside of suspension cable (1), and along suspension cable (1) elongated setting; It is outside that the power unit (5) of deicer and remote control switch (6) are positioned at suspension cable (1).
8. the suspension cable comprising deicer according to claim 7; it is characterized in that: the 2nd PE protective layer (21) that on described deicer, the outside of first burst of helix (2) and second burst of helix (3) is provided with, the PE protective layer (12) that the steel strand wire (11) inner with suspension cable (1) are outside is connected.
9. the suspension cable comprising deicer according to claim 7, is characterized in that: the ultimate range between described first burst of helix (2) and described second burst of helix (3) is 4 ~ 6 times of suspension cable (1) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510228319.4A CN104868427B (en) | 2015-05-07 | 2015-05-07 | A kind of deicer and the suspension cable comprising deicer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510228319.4A CN104868427B (en) | 2015-05-07 | 2015-05-07 | A kind of deicer and the suspension cable comprising deicer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104868427A true CN104868427A (en) | 2015-08-26 |
| CN104868427B CN104868427B (en) | 2018-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510228319.4A Active CN104868427B (en) | 2015-05-07 | 2015-05-07 | A kind of deicer and the suspension cable comprising deicer |
Country Status (1)
| Country | Link |
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| CN (1) | CN104868427B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316144A (en) * | 2018-02-02 | 2018-07-24 | 湖北工业大学 | A kind of optical fiber temperature measurement system and its construction method removing ice slush for bridge stay cable |
| US10113278B1 (en) | 2018-04-06 | 2018-10-30 | American Bridge Maintenance Services Company | Module for deicing a cable sheath and method for using the same |
| WO2019064042A1 (en) * | 2017-09-29 | 2019-04-04 | Soletanche Freyssinet | A sheath of a structural cable comprising heating components |
| CN111501552A (en) * | 2020-04-10 | 2020-08-07 | 三峡大学 | Deicing method for stay cable of cable-stayed bridge |
| EP3334864B1 (en) | 2016-10-19 | 2021-01-06 | Dywidag-Systems International GmbH | Elongated clamping unit |
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| CN202167264U (en) * | 2011-06-27 | 2012-03-14 | 杨海良 | Automatic anti-freezing wire |
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| CN203085567U (en) * | 2013-01-30 | 2013-07-24 | 常州亿晶光电科技有限公司 | Automatic snow-melting device for solar assembly |
| CN204190961U (en) * | 2014-11-13 | 2015-03-04 | 朱思益 | Special-purpose vehicle plumbing winterization system |
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Patent Citations (7)
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| CN2709512Y (en) * | 2004-05-17 | 2005-07-13 | 柳州欧维姆机械股份有限公司 | Thermal shrinkage heating device |
| JP2006322177A (en) * | 2005-05-18 | 2006-11-30 | Docon Co Ltd | Snow melter for diagonal cable of cable stayed bridge and installation method of snow melter for diagonal cable |
| CN201422170Y (en) * | 2008-08-29 | 2010-03-10 | 张延红 | Transmission line being wound with electric heating wire |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3334864B1 (en) | 2016-10-19 | 2021-01-06 | Dywidag-Systems International GmbH | Elongated clamping unit |
| WO2019064042A1 (en) * | 2017-09-29 | 2019-04-04 | Soletanche Freyssinet | A sheath of a structural cable comprising heating components |
| CN108316144A (en) * | 2018-02-02 | 2018-07-24 | 湖北工业大学 | A kind of optical fiber temperature measurement system and its construction method removing ice slush for bridge stay cable |
| US10113278B1 (en) | 2018-04-06 | 2018-10-30 | American Bridge Maintenance Services Company | Module for deicing a cable sheath and method for using the same |
| CN111501552A (en) * | 2020-04-10 | 2020-08-07 | 三峡大学 | Deicing method for stay cable of cable-stayed bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104868427B (en) | 2018-06-05 |
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