CN207116920U - A kind of insulation system of subway direct-current traction power supply equipment - Google Patents
A kind of insulation system of subway direct-current traction power supply equipment Download PDFInfo
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- CN207116920U CN207116920U CN201720915473.3U CN201720915473U CN207116920U CN 207116920 U CN207116920 U CN 207116920U CN 201720915473 U CN201720915473 U CN 201720915473U CN 207116920 U CN207116920 U CN 207116920U
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- power supply
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- traction power
- supply equipment
- insulation system
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Abstract
The utility model discloses a kind of insulation system of subway direct-current traction power supply equipment; preset range is extended out to surrounding the integral insulation protection zone on civil engineering structure plate is set in the floor projection of direct-current traction power supply equipment; it is dielectrically separated from formation piece electrical between the direct-current traction power supply equipment and the civil engineering structure plate, the operating area of operating personnel is located in the integral insulation protection zone.The insulation system insulating reliability is high, simple in construction, and assembling is easy, is easy to detect, repairs.
Description
Technical field
The power supply safety facility of subway is the utility model is related to, especially a kind of insulation of subway direct-current traction power supply equipment
Structure.
Background technology
With China's expanding economy, subway construction has developed in each city successively, and subway alleviates road traffic
Pressure, the volume of the flow of passengers of conveying is improved, the time of people is also saved while speed is lifted.Subway high-voltage direct current, which is led, to be set
Standby to provide direct current power for subway and supply, its electricity leads the necessary insulating mounting of equipment, and electricity leads equipment power distribution station ground and also should
There is insulation protection measure, at present both at home and abroad without particular study and specific reliable method.Electricity will be led and set by the utility model
Standby insulation and its insulation of power distribution station ground carry out whole installation, change former insulation mode, improve apparatus insulated reliability.
<<Metro design code>>(GB50517-2013) the 15.7.15 articles regulation:
Peace that DC traction power-supply system is isolated neutral system, the direct-current traction power supply equipment in traction substation must insulate
Dress.
Therefore direct-current traction power supply equipment must make insulation set with power distribution station civil engineering structure, and existing set-up mode is in gold
Insulation board is placed on category supporting part, by direct-current traction power supply equipment laydown on insulation board, with insulating screw by equipment, insulation board
And metal supporting part three tightens.Again when placing electro-insulating rubber pad on the ground of controller switching equipment front and being operated as staff
Insulation protection.Because environment humidity temperature is unstable in power distribution station, easy dust stratification ponding, causes to insulate in insulation board and felt pad
Failure, and after failure of insulation, it is necessary to again dismounting direct-current traction power supply equipment could change, be inconvenient.Once failure of insulation,
Direct-current traction power supply equipment is not only directly damaged, device framework malfunction can be caused when serious, causes subway train operation troubles,
The personal safety of operating personnel in power distribution station can not be ensured.Therefore, it is necessary to seek a kind of simplicity, dependable performance, service life length
The apparatus insulated mode of direct-current traction power supply.
Utility model content
Main purpose of the present utility model is overcome the deficiencies in the prior art, there is provided a kind of subway direct-current traction power supply is set
Standby insulation system, the insulating reliability of equipment is improved, and it is simple in construction, assembling is easy, is easy to detect, repairs.
To achieve the above object, the utility model uses following technical scheme：
A kind of insulation system of subway direct-current traction power supply equipment, direct-current traction power supply equipment floor projection to surrounding
Extend out preset range and the integral insulation protection zone on civil engineering structure plate is set, make the direct-current traction power supply equipment and institute
Formation piece electrical is dielectrically separated between stating civil engineering structure plate, and the operating area of operating personnel is located at the integral insulation protection zone
In domain.
Further：
The groove of the oriented civil engineering structure plate sunken inside, the DC traction are formed in the integral insulation protection zone
The load-bearing structural member of power supply unit is arranged in the groove.
Solidification is filled and the fixed load-bearing structural member by liquid insulating material in the groove.
The liquid insulating material is macromolecule resin material.
The integral insulation protection zone has insulating barrier and the fire prevention being covered on insulating barrier at least part region
Layer.
Hydrophobic layer is also covered with the fireprotection layer.
The fireprotection layer is inorganic insulating material.
The hydrophobic layer is inorganic insulating material.
The integral insulation protection zone extends out 1000- in the positive direction that the direct-current traction power supply equipment level projects
1500mm, 300- is extended out respectively in the back side direction of direct-current traction power supply equipment level projection and two side surface directions
600mm。
The beneficial effects of the utility model：
Subway direct current is led the utility model into equipment and its periphery (being usually on the ground in power distribution station) progress is whole
The improvement of body insulation, changes former insulation set mode, improves apparatus insulated reliability.The utility model avoids existing straight
The defects of flowing traction power supply apparatus insulated set-up mode, by insulation system be located at direct-current traction power supply equipment and civil engineering structure plate it
Between, and it is extended out preset range to surrounding in the floor projection sideline of direct-current traction power supply equipment and set, led relative to direct current
The floor projection for drawing power supply unit expands insulation protection scope, makes insulation protection and the electric operation people of direct-current traction power supply equipment
The insulation protection of member forms a unified entirety on civil engineering structure plate.The utility model is simple in construction effectively, insulation effect
It is good, it is easy to detection, for ease of maintenaince, dependable performance, service life length, combination property is significantly better than conventional insulator mode.
Brief description of the drawings
Fig. 1 is the schematic top plan view of the apparatus insulated structure of subway direct-current traction power supply of the utility model embodiment；
Fig. 2 is the diagrammatic cross-section of the apparatus insulated structure of subway direct-current traction power supply of the utility model embodiment.
Label in figure, the floor projection of 1- direct-current traction power supply equipment, on the civil engineering structure plate of 2- power distribution stations it is overall absolutely
Edge protection zone 2, the load-bearing structural member of 3-direct-current traction power supply, 4- grooves, the civil engineering structure plate of 5- power distribution stations, 6- insulating barriers,
7- fireprotection layers, the hydrophobic layers of 8-.
Embodiment
Embodiment of the present utility model is elaborated below.It is emphasized that the description below is only example
Property, rather than in order to limit the scope of the utility model and its application.
Refering to Fig. 1 and Fig. 2, in one embodiment, a kind of insulation system of subway direct-current traction power supply equipment, in direct current
The floor projection 1 of traction power supply equipment extends out preset range to surrounding and sets the integral insulation on civil engineering structure plate 5 to protect
Region 2, it is dielectrically separated from formation piece electrical between the direct-current traction power supply equipment and the civil engineering structure plate 5, operator
The operating area of member is located in the integral insulation protection zone 2.So as to which the insulation system can ensure apparatus insulated, abundant guarantor
Witness person's safe operation, and its is simple in construction, assembling is easy, is easy to detect, repairs.
In a preferred embodiment, the integral insulation protection zone 2 projects 1 in the direct-current traction power supply equipment level
Positive direction extend out 1000-1500mm, the direct-current traction power supply equipment level projection 1 back side direction and two sides
Direction extends out 300-600mm respectively.
In a preferred embodiment, the oriented sunken inside of civil engineering structure plate 5 is formed in the integral insulation protection zone 2
Groove 4, the load-bearing structural member 3 of the direct-current traction power supply equipment is arranged in the groove 4.So as to which such a structure will be held
Weight structure part 3 is fixedly secured with civil engineering structure plate 5, forms reliable electric insulation isolation again.
In a more preferred embodiment, solidification is filled and the fixed load-bearing knot by liquid insulating material in the groove 4
Component 3.It is further preferred that the liquid insulating material is macromolecule resin material.
In a preferred embodiment, the integral insulation protection zone has insulating barrier 6 and is covered in the insulating barrier extremely
Fireprotection layer 7 on small part region.
In a preferred embodiment, hydrophobic layer 8 is also covered with the fireprotection layer 7.
In a preferred embodiment, the fireprotection layer 7 is inorganic insulating material.
In a preferred embodiment, the hydrophobic layer 8 is inorganic insulating material.
In a particular embodiment, insulating barrier 6 is formed on civil engineering structure plate, the use liquid insulating material of insulating barrier 6 is simultaneously solid
Change, and fireprotection layer 7 and hydrophobic layer 8, shape are formed with inorganic insulating material on the insulating barrier 6 in addition to load-bearing structural member installation position
Into an integral insulation protection zone, to ensure insulation safety during staff's operation, and it is more to possess insulation, fire prevention, protection against the tide
Weight function.
The cabinet of direct-current traction power supply equipment can be fixed with load-bearing structural member 3 by metal bolts.
The load-bearing structural member 3 can be made up of metal mold steel, can also be formed by macromolecule engineering plastic-steel extrusion molding.
The liquid insulating material can be made up of macromolecule resin material, have high intensity, high resistance after its curing reaction
Rate.The inorganic insulating material possesses insulation and fire-proof function.
Example
Refering to Fig. 1, in one embodiment, project 1 periphery along direct-current traction power supply equipment level and expand certain distance,
Its front extends out 1200mm, and other three sides set integral insulation protection zone 2 in the range of extending out 400mm.
Referring to Fig. 2, on the power distribution station civil engineering structure plate 5 in the integral insulation protection zone 2 shown in Fig. 1, rectangle is dug out
Groove 4.
Referring to Fig. 2, the groove 4 that the load-bearing structural member 3 of equipment is fixed on to rectangle hits exactly, irrigated with liquid insulating material.
Referring to Fig. 2, on the civil engineering structure plate 5 on the periphery of groove 4, liquid insulating material is tiled to form insulating barrier 6.
Referring to Fig. 2, the inorganic insulation filler that tiled on insulating barrier 6 forms fireprotection layer 7.
Referring to Fig. 2, hydrophobic layer 8 is applied on the surface of fireprotection layer 7.
Example test result：Example proves that the insulation protection scope of the apparatus insulated structure of subway direct-current traction power supply expands
Greatly, good insulating, it is easy to implement, be easy to detection, for ease of maintenaince, long lifespan, and neat and artistic, ensure<<Metro design code>>
(GB50517-2013) the 15.7.15 articles is satisfied.
Above content is to combine specific/preferred embodiment further detailed description of the utility model, no
It can assert that specific implementation of the present utility model is confined to these explanations.For the common skill of the utility model art
For art personnel, without departing from the concept of the premise utility, it can also make to the embodiment that these have been described
Some replacements or modification, and these are substituted or variant should all be considered as belonging to the scope of protection of the utility model.
Claims (9)
1. a kind of insulation system of subway direct-current traction power supply equipment, it is characterised in that in the level of direct-current traction power supply equipment
Project to surrounding and extend out integral insulation protection zone of the preset range setting on civil engineering structure plate, supply the DC traction
Form piece electrical between electric equipment and the civil engineering structure plate to be dielectrically separated from, the operating area of operating personnel is located at the entirety
In insulation protection region.
2. insulation system as claimed in claim 1, it is characterised in that formed in the integral insulation protection zone oriented described
The groove of civil engineering structure plate sunken inside, the load-bearing structural member of the direct-current traction power supply equipment are arranged in the groove.
3. insulation system as claimed in claim 2, it is characterised in that solidification filled by liquid insulating material in the groove and
The fixed load-bearing structural member.
4. insulation system as claimed in claim 3, it is characterised in that the liquid insulating material is macromolecule resin material.
5. the insulation system as described in any one of Claims 1-4, it is characterised in that the integral insulation protection zone has
Insulating barrier and the fireprotection layer being covered on insulating barrier at least part region.
6. insulation system as claimed in claim 5, it is characterised in that hydrophobic layer is also covered with the fireprotection layer.
7. insulation system as claimed in claim 5, it is characterised in that the fireprotection layer is inorganic insulating material.
8. insulation system as claimed in claim 6, it is characterised in that the hydrophobic layer is inorganic insulating material.
9. the insulation system as described in any one of Claims 1-4, it is characterised in that the integral insulation protection zone is in institute
The positive direction for stating the projection of direct-current traction power supply equipment level extends out 1000-1500mm, in the direct-current traction power supply equipment water
The back side direction of flat projection and two side surface directions extend out 300-600mm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720915473.3U CN207116920U (en) | 2017-07-26 | 2017-07-26 | A kind of insulation system of subway direct-current traction power supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720915473.3U CN207116920U (en) | 2017-07-26 | 2017-07-26 | A kind of insulation system of subway direct-current traction power supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207116920U true CN207116920U (en) | 2018-03-16 |
Family
ID=61573789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720915473.3U Active CN207116920U (en) | 2017-07-26 | 2017-07-26 | A kind of insulation system of subway direct-current traction power supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207116920U (en) |
-
2017
- 2017-07-26 CN CN201720915473.3U patent/CN207116920U/en active Active
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