CN207040952U - A kind of direct current grounding pole hot line maintenance is taken with thermal stabilization shield - Google Patents
A kind of direct current grounding pole hot line maintenance is taken with thermal stabilization shield Download PDFInfo
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- CN207040952U CN207040952U CN201721005976.3U CN201721005976U CN207040952U CN 207040952 U CN207040952 U CN 207040952U CN 201721005976 U CN201721005976 U CN 201721005976U CN 207040952 U CN207040952 U CN 207040952U
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- 230000006641 stabilisation Effects 0.000 title claims abstract description 17
- 238000011105 stabilization Methods 0.000 title claims abstract description 17
- 238000012423 maintenance Methods 0.000 title claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 41
- 239000000835 fiber Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000010985 leather Substances 0.000 claims abstract description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims abstract description 7
- 229920000728 polyester Polymers 0.000 claims abstract description 7
- 229910052709 silver Inorganic materials 0.000 claims abstract description 7
- 239000004332 silver Substances 0.000 claims abstract description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 6
- 229920000742 Cotton Polymers 0.000 claims abstract description 6
- 239000004917 carbon fiber Substances 0.000 claims abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 6
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- 239000004744 fabric Substances 0.000 claims description 14
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 8
- 239000003063 flame retardant Substances 0.000 claims description 8
- 238000012216 screening Methods 0.000 abstract description 23
- 239000004020 conductor Substances 0.000 abstract description 7
- 230000001681 protective effect Effects 0.000 abstract description 4
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
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- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The utility model provides a kind of direct current grounding pole hot line maintenance and taken with thermal stabilization shield, belongs to electric power protective garment technical field, and it includes jacket and trousers, and the jacket and trousers are made of the dress material of following three-decker：Outermost layer is screen layer, intermediate layer is thermal insulation layer, innermost layer is lining layer, the screen layer is to be obtained by polyester fiber, ceramic fibre and silver fiber through blending, the thermal insulation layer is made up of leather I, flexible heat insulation felt and leather II, and the flexible heat insulation felt is made up of the carbon fiber of cotton like chopped fiber form.The utility model structure is novel, and reasonable in design, heat-proof quality is excellent, when conductor temperature is 160 DEG C screening clothing can be kept to contact the temperature of side below 45 DEG C with operating personnel for a long time.
Description
Technical field
The utility model belongs to electric power protective garment technical field, and in particular to a kind of direct current grounding pole electric transmission line hot-line is made
Industry is taken with thermal stabilization shield.
Background technology
It is 5000A to breathe out Zheng's ± 800kV extra high voltage direct current transmission lines rated current, is run when system is in monopole the earth
When, the electric current for flowing through single sub-conductor is 1250A, therefore the maximum running temperature of wire is no more than 120 DEG C.And human body skin connects
Touch 70 DEG C of constant temperature one minute, skin may be burned.Therefore when monopole the earth is run, livewire work personnel must keep away
Exempt from directly to contact high temperature wire, can carry out direct operation after heat-insulated instrument or the heat-insulated safety device of wearing should be used.
Thermal insulation refers to that heat-protective clothing must possess the performance for preferably slowing down and preventing heat transfer, avoids thermal source to people
Body is damaged, and good security protection is provided to the heat-protective clothing user to be worked under hot environment.
Thermal insulation is also one of most important thermal protective performance of heat-protective clothing.In the actual use of heat-protective clothing, mostly
Number user is simultaneously not directly contacted with flame, but external heat passes to human body in the form of thermal convection current, heat radiation, heat transfer, right
Human body damages.Therefore, using the heat-protective clothing with good thermal insulation, it is possible to make between external high temperature and human body
User provides one of protective barrier, external heat is difficult to by clothes, so as to ensure that user can safety in hot environment
Work.Proximity suit is in the extensive use of the industries such as steel, fire-fighting.
In the evaluation of heat-protective clothing heat-proof quality, generally it is divided into different method of testings by thermaltransmission mode both at home and abroad,
And tested by the actual service conditions of heat-protective clothing from corresponding method.At present, mainly there are STM, NFPA (American National
Fire prevention association), heat-protective clothing thermal radiation resistant performance test method, thermal radiation resistant and the thermal convection current performance test side of the formulation such as CEN
Method, fusion proof metal impact property test method etc..During test, the side of fabric sample is subjected to the effect of thermodynamics, measure
Fabric opposite side causes the time or thermal energy required for tissue second-degree burn, and the thermal insulation of heat-protective clothing is evaluated with this
Energy.
Requirement for heat-proof quality, typically require that the maximum temperature that staff experiences is no more than 45 DEG C.It is if super
Crossed 45 DEG C, staff just may feel that it is uncomfortable, so as to bring certain influence to operation.
Publication No. CN102726860A patent provide a kind of livewire work high temperature resistant heat insulation screening clothing dress material and
Screening clothing, screening clothing dress material include 4 Rotating fields, and outermost layer is leather, and the 2nd layer is heat insulation felt, and the 3rd layer is conductive fabric, innermost layer
For lining fabric；Screening clothing includes jacket and trousers, and jacket and trousers are made of above-mentioned screening clothing dress material；Screening clothing also includes
Metal wire, metal wire one end are connected with jacket or trousers, and the other end is provided with wire hook.The utility model has the advantages that provide
A kind of livewire work high temperature resistant heat insulation screening clothing dress material and screening clothing, the screening clothing dress material and screening clothing can not only solve operation
The problem of electric field and current preventative of personnel, moreover it is possible to carried out to caused high temperature, high fever in heat-resistant aluminum alloy wire running
Effective protection, can meet the requirement of livewire work project to a certain extent.
Publication No. CN101703324A patent discloses a kind of AC high voltage live line work shielding thermal insulation suit, and category is powered
Operation screening clothing.Cap, jacket and trousers are unified into conjoined clothes, and two gloves utilize the cuff phase of electric conductor and conjoined clothes jacket
Even, conductive socks are connected using electric conductor with the leg opening of conjoined clothes trousers;The heat-insulated each several part integrally taken of above-mentioned shielding using
Four-layer structure, outermost layer are conductive fabric, and the second layer is that third layer is carbon fibre heat insulation felt, and innermost layer is lining fabric every combustion cloth;
The second layer is every combustion cloth and third layer carbon fibre heat insulation felt composition heat-insulating flame-retardant layer.Beneficial effect is:Except can to high voltage electric field and
Outside electric current is protected, moreover it is possible to completely cut off 200 DEG C or so of high temperature.It disclosure satisfy that the ultra-high-tension power transmission line in double capacity conductor is enterprising
The requirement of the powered repairing wire of row and other equipotential live line works.
Shielding thermal insulation suit heat-proof quality disclosed in above-mentioned utility model is limited, and during due to livewire work, operating personnel can
Long period operation near wire can be needed, therefore, it is necessary to provision for thermal insulation is further taken, to ensure operating personnel in operation
During shell temperature be not higher than 45 DEG C.
Utility model content
Technical problem to be solved in the utility model is, in view of the shortcomings of the prior art, there is provided a kind of thermal stabilization shield clothes,
Livewire work for ± 800kV extra high voltage direct current transmission lines.
In order to solve the above technical problems, technical scheme is used by the utility model：
A kind of direct current grounding pole hot line maintenance is taken with thermal stabilization shield, including jacket and trousers, the jacket and
Trousers are made of the dress material of following three-decker：Outermost layer is screen layer, and intermediate layer is thermal insulation layer, and innermost layer is lining
Layer, the screen layer is to be obtained by polyester fiber, ceramic fibre and silver fiber through blending, the thermal insulation layer by leather I, it is flexible every
Hot felt and leather II form, and the flexible heat insulation felt is made up of the carbon fiber of cotton like chopped fiber form.
Preferably, the shield effectiveness of the screen layer is not less than 40dB, and dress material resistance is not more than 0.8 Ω, and blowout current is big
In 5A.
Preferably, the lining layer is silk fabric or contton cloth.
Preferably, jacket and the trousers split settings.
Preferably, the jacket disjunctor sets cap.
Preferably, flame-retardant layer is set between the screen layer and the thermal insulation layer, and the flame-retardant layer is fire resistance fibre.
It is as follows with prior art, the beneficial effects of the utility model：
The utility model is the improvement carried out on the basis of existing livewire work screening clothing, mainly for direct current grounding pole
The operating feature of transmission line of electricity proposes, to strengthen the heat-proof quality of shielding clothing so that livewire work personnel can be safer
Ground carries out livewire work.The utility model direct current grounding pole hot line maintenance is taken with thermal stabilization shield, including jacket and trousers
Son, wherein, jacket and trousers are made of the dress material of following three-decker：Outermost layer is screen layer, and intermediate layer is thermal insulation layer,
Innermost layer is lining layer, for strengthen screening clothing shielding properties, the utility model screen layer using polyester fiber, ceramic fibre and
Blended material made of silver fiber, wherein：The weight ratio of polyester fiber, ceramic fibre and silver fiber is 8：2：5, shielded for enhancing
The heat-proof quality of clothes, the thermal insulation layer are made up of leather I, flexible heat insulation felt and leather II, and the flexible heat insulation felt is short by cotton like
The carbon fiber of fibre morphology is made, and experiment shows, the utility model uses the heat-proof quality of the screening clothing of above-mentioned insulating layer structure
Excellent, for the more existing screening clothing using single one layer of heat insulation felt, when conductor temperature is 160 DEG C, screening clothing is led to high temperature
, can be with the long period after line is covered（>1h）Holding screening clothing the temperature of side is contacted with operating personnel below 45 DEG C,
Meet operating personnel near wire during operation, requirement heat-insulated for a long time.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1：The structural representation of the utility model thermal stabilization shield clothes；
Fig. 2：The diagrammatic cross-section of the utility model thermal stabilization shield clothes；
Fig. 3：Firing equipment control flow chart.
Embodiment
In order to more fully understand the utility model, further fairly set out with reference to embodiment in of the present utility model
Hold, but protection content of the present utility model is not limited solely to the following examples.In the following description, a large amount of tools are given
The details of body is more thoroughly understood the utility model to provide.It is however, aobvious and easy to those skilled in the art
See, the utility model can be carried out without one or more of these details.
Refering to Fig. 1 ~ 2, a kind of direct current grounding pole hot line maintenance is taken with thermal stabilization shield, including jacket 1 and trousers
2, the jacket and trousers are made of the dress material of following three-decker：Outermost layer is screen layer 3, and intermediate layer is thermal insulation layer 4,
Innermost layer is lining layer 5, and the screen layer is to be obtained by polyester fiber, ceramic fibre and silver fiber through blending, the thermal insulation layer
It is made up of leather I 401, flexible heat insulation felt 402 and leather II 403, the flexible heat insulation felt is fine by the carbon of cotton like chopped fiber form
Dimension is made.
Polyester fiber, ceramic fibre, silver fiber can be bought by market and obtained used by the utility model, blending work
Skill is this area common process.Leather I and leather II preferably use the leather of identical type, such as：Ox-hide leather, sheep etc.,
Commercially available acquisition can be passed through.
Wherein, the shield effectiveness of the screen layer is not less than 40dB, and dress material resistance is not more than 0.8 Ω, and blowout current is more than
5A, primarily serve electric field and current preventative effect.
The lining layer is silk fabric or contton cloth, mainly improves the snugness of fit of staff.
Thermal insulation layer plays heat-blocking action, wherein, carbon fiber has the characteristic such as high temperature resistant, resistance to ablation, high high strength-to-density ratio,
Heat resisting temperature reaches more than 1000 DEG C.Heat insulation felt is made using the carbon fiber of cotton like chopped fiber form, have preferably it is heat-resisting every
Hot property.The thickness of thermal insulation layer is preferably 9.5 ~ 10.5mm.
Jacket and the trousers split settings, are easy to dressing.
The jacket disjunctor setting cap 6, the dress material structure of cap are identical with jacket.
Flame-retardant layer is set between the screen layer and the thermal insulation layer, and the flame-retardant layer is fire resistance fibre, primarily serves resistance
Combustion acts on, and for the utility model, can selectively set flame-retardant layer according to use occasion, for high temperature protection, resistance
Combustion layer is not required.
Screening clothing heat-proof quality is tested
（1）Experiment arrangement and test method
The experiment is carried out indoors, and test product is placed on above heating plate at ambient temperature, with outside temperature measurer measurement test product
Face temperature changes with time situation.Firing equipment is accurately controlled the temperature above heating plate by temperature controller.
A whole set of testing equipment is by temperature controller, D.C mutual-inductor, pressure regulator, heating plate and the part group of temperature sensor five
Into.Temperature controller uses XMT series digit display condition instrument, and it has, and precision is high, good reliability, the spy such as strong antijamming capability
Point, temperature survey can be realized within the scope of -200 DEG C to 1500 DEG C and is automatically controlled.Its control principle drawing is as shown in figure 3, temperature
Degree controller is powered by 220V AC powers, and temperature control provides the switch of signal control D.C mutual-inductor, and D.C mutual-inductor is by 220V
Power supply is powered through pressure regulator to heating plate, and the temperature in heating plate is by sensor feedback to temperature controller, if actual temperature
Higher than design temperature, then temperature controller provides signal disconnection D.C mutual-inductor, stops heating.
During experiment, switch on power, after the temperature stabilization on plate to be heated, subject article is placed on above heating plate, and
Apply about 10N pressure on test product, by temperature measuring device, the temperature variations of record subject article skins and nexine.
During experiment, at ambient temperature, pressure regulator is first adjusted to the position that voltage is zero before experiment every time, switched on power,
Temperature of heating plate is set on temperature controller, slowly rotates pressure regulator, voltage is progressively adjusted to suitable position, makes heating plate
It is stable that subject article is being put into heating plate near design temperature, changed with time situation using temperature measurer measurement temperature.
When doing test product Heat-Insulation Test, the situation of change of heat zone and skin temperature is measured respectively.
（2）Result of the test
It is 160 DEG C or so to set temperature of heating plate, screening clothing dress material Heat-Insulation Test under the conditions of 160 DEG C, experiment knot
Fruit is shown in Table 1.
The screening clothing heat insulation test result of table 1
,
Show that, when conductor temperature is below 160 DEG C, screening clothing, can after being covered to high temperature wire by experiment
With the long period（>1h）Holding screening clothing side is contacted with operating personnel temperature below 45 DEG C, meet that operating personnel exists
During wire operation nearby, long-term heat-insulated requirement.
Finally illustrate, above example only to illustrate the technical solution of the utility model and unrestricted, this area
Other modifications or equivalent substitution that those of ordinary skill is made to the technical solution of the utility model, without departing from this practicality
The spirit and scope of new technique scheme, it all should cover among right of the present utility model.
Claims (6)
1. a kind of direct current grounding pole hot line maintenance is taken with thermal stabilization shield, it is characterised in that：Including jacket and trousers, institute
Jacket and trousers are stated to be made of the dress material of following three-decker：Outermost layer is screen layer, and intermediate layer is thermal insulation layer, innermost layer
For lining layer, the screen layer is to be obtained by polyester fiber, ceramic fibre and silver fiber through blending, the thermal insulation layer by leather I,
Flexible heat insulation felt and leather II form, and the flexible heat insulation felt is made up of the carbon fiber of cotton like chopped fiber form.
2. direct current grounding pole hot line maintenance according to claim 1 is taken with thermal stabilization shield, it is characterised in that：Institute
The shield effectiveness for stating screen layer is not less than 40dB, and dress material resistance is not more than 0.8 Ω, and blowout current is more than 5A.
3. direct current grounding pole hot line maintenance according to claim 1 is taken with thermal stabilization shield, it is characterised in that：Institute
It is silk fabric or contton cloth to state lining layer.
4. direct current grounding pole hot line maintenance according to claim 1 is taken with thermal stabilization shield, it is characterised in that：Institute
State jacket and trousers split settings.
5. direct current grounding pole hot line maintenance according to claim 4 is taken with thermal stabilization shield, it is characterised in that：Institute
State jacket disjunctor and cap is set.
6. direct current grounding pole hot line maintenance according to claim 1 is taken with thermal stabilization shield, it is characterised in that：Institute
State and flame-retardant layer is set between screen layer and the thermal insulation layer, the flame-retardant layer is fire resistance fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721005976.3U CN207040952U (en) | 2017-08-12 | 2017-08-12 | A kind of direct current grounding pole hot line maintenance is taken with thermal stabilization shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721005976.3U CN207040952U (en) | 2017-08-12 | 2017-08-12 | A kind of direct current grounding pole hot line maintenance is taken with thermal stabilization shield |
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| Publication Number | Publication Date |
|---|---|
| CN207040952U true CN207040952U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721005976.3U Active CN207040952U (en) | 2017-08-12 | 2017-08-12 | A kind of direct current grounding pole hot line maintenance is taken with thermal stabilization shield |
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| CN (1) | CN207040952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112739231A (en) * | 2018-06-15 | 2021-04-30 | 阿尔皮纳塔尔研究公司 | Method for joining two protective materials together and protective garment comprising an article manufactured using said method |
-
2017
- 2017-08-12 CN CN201721005976.3U patent/CN207040952U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112739231A (en) * | 2018-06-15 | 2021-04-30 | 阿尔皮纳塔尔研究公司 | Method for joining two protective materials together and protective garment comprising an article manufactured using said method |
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