CN209497115U - A kind of High aititude, low temperature environment electric control gear cable-through hole structure - Google Patents
A kind of High aititude, low temperature environment electric control gear cable-through hole structure Download PDFInfo
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- CN209497115U CN209497115U CN201920493019.2U CN201920493019U CN209497115U CN 209497115 U CN209497115 U CN 209497115U CN 201920493019 U CN201920493019 U CN 201920493019U CN 209497115 U CN209497115 U CN 209497115U
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- bolster stake
- baffle ring
- ring
- low temperature
- hole
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Abstract
The utility model relates to a kind of High aititudes, low temperature environment electric control gear cable-through hole structure, including baffle ring, bolster stake, sealing ring, bolster stake is cylindrical structure, the routing hole being coaxially distributed with bolster stake is set inside it, bolster stake both ends and baffle ring are connected with each other, and it is coaxially distributed with baffle ring, baffle ring is the cyclic structure being coaxially distributed with bolster stake, the cyclic annular air cavity being coaxially distributed with baffle ring is set in baffle ring, the at least two strip air cavitys around the distribution of bolster stake axis coaxle are set in bolster stake side wall, sealing ring is embedded in routing hole.On the one hand the utility model can effectively meet matches with multiple types power distribution cabinet and electric power cable, and effective carrying positioning and insulating protection can be carried out to electric power cable, on the other hand in the process of running, effective isolation operation effectively can be carried out to the utility model two sides and the utility model inside, prevent the utility model two sides from gas leakage pressure release situation and the generation of heat loss serious phenomenon occurs because electric power cable routing hole air-tightness is insufficient.
Description
Technical field
The utility model relates to a kind of power distribution cabinet cable-through hole structures, belong to T & D Technology field.
Background technique
The stability and reliability currently run under the environment under low pressure in order to meet power distribution cabinet High aititude and under low temperature environment,
Dedicated supercharging equipment and temperature equipment often are increased to the distribution cabinet equipment run under such environment, to ensure power distribution cabinet
The air pressure of internal circuit running environment and temperature are stablized, to overcome each in power distribution cabinet caused by low temperature environment and hypobaric
The defect of circuit arrangement runnability and equipment operation stability difference improves the stability and reliability of the operation of distribution cabinet equipment,
It is currently found in this kind of distribution cabinet equipment operation and maintenance, obtains routing hole equipment often used in such current power distribution cabinet
It is traditional routing hole equipment based on elastomeric material, although the open-work that can satisfy to power distribution cabinet for wiring carries out
It makes reprisals and cable is carried, but on the one hand wiring pore structure is relatively easy, bearing capacity and structural strength are relatively weak,
And routing hole is relatively weak to the effective bearing capacity of cable in use, to easily cable be caused to cause because of Lack of support
Routing hole damage happens, and causes Cable Bending Radius too small because bearing capacity and effective carrying distance are insufficient, to lead
It causes cable insulation structure and conductor structure to be destroyed, seriously affects the stability and reliability of cable machinery operation, on the one hand
The sealing performance and anti-pressure ability of currently used traditional wiring hole equipment itself are relatively poor, therefore can not be effectively to cloth
String holes two sides carry out effective and reliable sealing operation, therefore cause between power distribution cabinet inside and power distribution cabinet outside in machine power distribution cabinet
Gas leakage pressure release situation and the serious drawback of heat loss occurs because electric power cable routing hole air-tightness is insufficient between each chamber in portion,
And then lead to that currently used for High aititude and low temperature environment power distribution cabinet to there is internal environment operation in various degree steady
Qualitative poor, power distribution cabinet internal operating environment stable regulation Operation control low precision and operation energy consumption height.
Therefore it is directed to this status, there is an urgent need to develop a kind of completely new can effectively meet high leakproofness and high-mechanic need
The wiring pore structure wanted, to meet the needs of actual use.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of High aititude, low temperature environment electric control gear is used
On the one hand cable-through hole structure, the utility model have good insulating performance and bearing capacity, can effectively meet and multiple types
Power distribution cabinet and electric power cable match, and can effectively realize and carry out effective carrying positioning and insulating protection to electric power cable,
And can reach the effective bending radius for increasing electric power cable, prevent electric power cable from leading to electric power cable because bending radius is too small
Insulation system is undermined the case where change in resistance caused by conductor deformation etc. influences electric power cable operation stability and reliability
Occur, it on the other hand in the process of running, can be effectively effective to being carried out inside the utility model two sides and the utility model
Operation is isolated, prevents the utility model two sides from gas leakage pressure release situation and heat occurs because electric power cable routing hole air-tightness is insufficient
Scatter and disappear serious phenomenon, improves inside power distribution cabinet and runs outside power distribution cabinet and inside power distribution cabinet between each chamber to reach
The stability of environment, to effectively improve power distribution cabinet internal environment operation stability and reduce the air pressure of power distribution cabinet internal operating environment
The operation energy consumption of machine temperature adjusting operation.
To achieve the goals above, the utility model is achieved through the following technical solutions:
A kind of High aititude, low temperature environment electric control gear cable-through hole structure, including baffle ring, bolster stake, sealing ring, bolster stake
For cylindrical structure, inside set the routing hole being coaxially distributed with bolster stake, bolster stake both ends and baffle ring are connected with each other, and with gear
Ring is coaxially distributed, and baffle ring is the cyclic structure being coaxially distributed with bolster stake, and baffle ring internal diameter is be routed bore dia 0.9-1.5
Times, baffle ring outer diameter is 1.5-5 times of bolster stake outer diameter, sets the cyclic annular air cavity being coaxially distributed with baffle ring, bolster stake in baffle ring
Set at least two strip air cavitys around the distribution of bolster stake axis coaxles in side wall, strip air cavity with carry that mast axis is parallel divides
Cloth, both ends are connected to the cyclic annular air cavity in the baffle ring of bolster stake two sides respectively, and baffle ring lateral surface sets an air guide port, air guide port axis
It is in 30 ° -90 ° angles with baffle ring axis, and is interconnected with the cyclic annular air cavity in baffle ring, on the inside of the corresponding bolster stake of routing hole
Face is evenly distributed with several sealing gland mouths, and each sealing gland mouth of crossing is uniformly distributed around carrying mast axis and uniformly distributed along bolster stake axis direction, sealing ring be with
The closed loop cyclic structure that routing hole is coaxially distributed, in the routing hole and with routing hole contacted inner surfaces, and sealing ring at least three
It is a, it is uniformly distributed along routing hole axis direction, and each sealing ring is respectively positioned on the two neighboring sealing gland mouth uniformly distributed along bolster stake axis direction
Between position, spacing is 1/3-the 1/6 of bolster stake effective length between two neighboring sealing ring, and sealing ring internal diameter is routing hole
30%-the 90% of diameter.
Further, the baffle ring, bolster stake are an integral structure, and are held including elastic insulated rubber matrix, metal
Keel are carried, the metal bearing keel is in elastic insulated rubber matrix, and metal bearing keel and elastic insulated rubber-based
Spacing is not less than 5 millimeters between external surface, and the metal bearing keel is the frame structure being coaxially distributed with baffle ring, bolster stake,
The ring-type air cavity and strip air cavity are embedded in baffle ring, in the metal bearing keel in bolster stake respectively.
Further, the baffle ring, the bolster stake connection position place of installing set flange sleeve, and the flange sleeve, which is coated on, to be held
It carries outside column and offsets with baffle ring rear end face, and mutually interconnected between baffle ring rear end face and flange sleeve front end face by least four springs
Connect, and the ring spring it is uniformly distributed around baffle ring axis and with baffle ring axis parallelly distribute on.
Further, the bolster stake lateral surface is evenly distributed with several convex blocks, and the convex block is evenly arranged on around carrying mast axis
Bolster stake lateral surface, and spacing is carry column length 1/10-between the uniformly distributed two neighboring convex block of bolster stake axis direction
1/3, convex block upper surface is higher by least 3 millimeters of bolster stake lateral surface.
Further, the sealing ring medial surface sets deformation seal groove, and the deformation sealing groove width is before sealing ring
1/4-the 3/4 of end face, depth is 1/5-the 1/3 of sealing ring sidewall thickness, and deformation seal groove cross section is " V " font
Any one in structure, " Qian " font structure, " U " font mechanism and isosceles trapezoidal structure.
Further, the corresponding routing hole medial surface of the sealing ring sets bearing groove and by bearing groove and routing hole phase
It connects, the carrying groove depth is 1-5 millimeters.
Further, at least one silicone rubber heating line is set in the strip air cavity, the silicone rubber heating wire loop is around strip
Air cavity axis structure distribution in the shape of a spiral, and the link electrode of the silicone rubber heating line is embedded in bolster stake lateral surface.
On the one hand the utility model has good insulating performance and bearing capacity, can effectively meet and multiple types distribution
Cabinet and electric power cable match, and can effectively realize and carry out effective carrying positioning and insulating protection to electric power cable, and can
Reach the effective bending radius for increasing electric power cable, prevents electric power cable from causing electric power cable to insulate because bending radius is too small
The case where influence electric power cable operation stability such as change in resistance caused by structural damage and conductor deformation and reliability, occurs,
On the other hand in the process of running, effectively the effective isolation of progress inside the utility model two sides and the utility model can be made
Industry prevents the utility model two sides from gas leakage pressure release situation occurs and heat loss is tight because electric power cable routing hole air-tightness is insufficient
Reconstructed image occurs, and improves running environment between each chamber in inside power distribution cabinet and outside power distribution cabinet and power distribution cabinet inside to reach
Stability, to effectively improve power distribution cabinet internal environment operation stability and reduce power distribution cabinet internal operating environment aerostatic press temperature
Adjust the operation energy consumption of operation.
Detailed description of the invention
It is described in detail the utility model with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of using state structure diagram of the utility model.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
A kind of High aititude as described in Figure 1, low temperature environment electric control gear cable-through hole structure, including baffle ring 1, bolster stake 2,
Sealing ring 3, bolster stake 2 are cylindrical structure, inside set the routing hole 4 being coaxially distributed with bolster stake 2,2 both ends of bolster stake with
Baffle ring 1 is connected with each other, and with the coaxial distribution of baffle ring 1, baffle ring 1 is the cyclic structure being coaxially distributed with bolster stake 2, and in baffle ring 1
Diameter is 0.9-1.5 times of 4 diameter of routing hole, and 1 outer diameter of baffle ring is 1.5-5 times of 2 outer diameter of bolster stake, set in baffle ring 1 one with
The cyclic annular air cavity 5 that baffle ring 1 is coaxially distributed sets at least two strips around the distribution of 2 axis coaxles of bolster stake in 2 side wall of bolster stake
Air cavity 6, strip air cavity 6 and 2 axis parallelly distribute on of bolster stake, both ends respectively with the cyclic annular air cavity 5 in 2 two sides baffle ring 1 of bolster stake
Connection, 1 lateral surface of baffle ring set an air guide port 7, and 7 axis of air guide port and 1 axis of baffle ring are in 30 ° -90 ° angles, and with baffle ring 1
Interior cyclic annular air cavity 5 is interconnected, and corresponding 2 medial surface of bolster stake of routing hole 4 be evenly distributed with several sealing gland mouths 8, each mistake sealing gland mouth 8 around
2 axis of bolster stake is uniformly distributed and uniformly distributed along 2 axis direction of bolster stake, and sealing ring 3 is the closed loop ring-type knot being coaxially distributed with routing hole 4
Structure, in the routing hole 4 and with 4 contacted inner surfaces of routing hole, and sealing ring 3 at least three is equal along 4 axis direction of routing hole
Cloth, and each sealing ring 3 is respectively positioned on the position between the uniformly distributed two neighboring sealing gland mouth 8 of 2 axis direction of bolster stake, it is two neighboring close
Spacing is 1/3-the 1/6 of 2 effective length of bolster stake between seal ring 3, and 3 internal diameter of sealing ring is 30%-the 90% of 4 diameter of routing hole.
Wherein, the baffle ring 1, bolster stake 2 are an integral structure, and are held including elastic insulated rubber matrix 101, metal
Keel 102 are carried, the metal bearing keel 102 is in elastic insulated rubber matrix 101, and metal bearing keel 102 and bullet
Property 101 outer surface of electro-insulating rubber matrix between spacing be not less than 5 millimeters, the metal bearing keel 102 is and baffle ring 1, bolster stake 2
The metal carrying in baffle ring 1, bolster stake 2 respectively of the frame structure being coaxially distributed, the ring-type air cavity 5 and strip air cavity 6
In keel 102.
Meanwhile the baffle ring 1, the 2 connection position place of installing of bolster stake set flange sleeve 9, the flange sleeve 9, which is coated on, to be held
It carries outside column 2 and offsets with 1 rear end face of baffle ring, and pass through at least four springs 10 between 9 front end face of 1 rear end face of baffle ring and flange sleeve
Be connected with each other, and the spring 10 it is uniformly distributed around 1 axis of baffle ring and with 1 axis parallelly distribute on of baffle ring.
It advanced optimizes, 2 lateral surface of bolster stake is evenly distributed with several convex blocks 11, and the convex block 11 is around bolster stake 2
Axis is evenly arranged on 2 lateral surface of bolster stake, and spacing is carrying between the uniformly distributed two neighboring convex block 11 of 2 axis direction of bolster stake
1/10-the 1/3 of 2 length of column, 11 upper surface of convex block are higher by least 3 millimeters of 2 lateral surface of bolster stake.
It needs to particularly point out, 3 medial surface of sealing ring sets deformation seal groove 12,12 width of deformation seal groove
It is 1/4-the 3/4 of 3 front end face of sealing ring, depth is 1/5-the 1/3 of 3 sidewall thickness of sealing ring, and the deformation seal groove 12
Cross section is any one in " V " font structure, " Qian " font structure, " U " font mechanism and isosceles trapezoidal structure, and described
Corresponding 4 medial surface of routing hole of sealing ring 3 set bearing groove 13 and be connected with each other by bearing groove 13 and routing hole 4, it is described to hold
Carrying 13 depth of slot is 1-5 millimeters.
In addition, setting at least one silicone rubber heating line 14 in the strip air cavity 6, the silicone rubber heating line 14 is around strip
6 axis of air cavity structure distribution in the shape of a spiral, and the link electrode 15 of the silicone rubber heating line 14 is embedded in 2 lateral surface of bolster stake.
In specific implementation, the effective length of bolster stake is not less than 1 centimetre to the utility model, and it is practical new will to constitute this first
Baffle ring, bolster stake, sealing ring and the flange sleeve of type are assembled, and the utility model after assembling is then installed to power distribution cabinet
It is coaxially distributed in corresponding routing hole and with routing hole, while is embedded into bolster stake on power distribution cabinet side wall, and make baffle ring rear end
Face offsets with power distribution cabinet side wall, is finally connected to the air guide port being located on baffle ring with the pressure charging system of power distribution cabinet, stroke cycle gas
The link electrode of silicone rubber heating line and power distribution cabinet circuit system are electrically connected by road, finally by electric power cable from the cloth of bolster stake
It is passed through in string holes, and carrying positioning is carried out to cable by sealing ring, the utility model assembly can be completed.
In actual operation, since the more traditional cable-through hole length of the carrying column length of the utility model is larger, so as to
The effective stability and reliability improved to power circuit carrying positioning, while the length of cable carrying positioning is effectively improved,
Prevent cable because carrying apart from it is too short due to cause electric power cable under the factors such as gravity, generation led because bending radius is too small
Electric power cable insulation system and conductor structure damage situations are caused to occur, so that electric power cable operation stability and reliable be greatly improved
Property.
In the process of running, whole heating can be carried out to the utility model by the silicone rubber heating line being located in strip air cavity
Processing, prevents that heat loss serious phenomenon occurs because the utility model temperature difference is excessive；
In the process of running, separately can face the high pressure draught of power distribution cabinet pressure charging system is introduced directly into cyclic annular air cavity and strip
In air cavity, increase cyclic annular air cavity and strip gas cavity pressure, so that expanded simultaneously in cyclic annular air cavity and strip air cavity, thus
Deformation is expanded by expansion driven the utility model inner surface in cyclic annular air cavity and strip air cavity and surface synchronization, increases this
Pressure between utility model and power distribution cabinet between electro-mechanical force cable improves the utility model and distribution cabinet-type air conditioner and electricity to reach
Position stability and reliability are carried simultaneously between line of force cable, separately effectively improve the utility model and line position entirety is crossed to power distribution cabinet
Leakproofness.
Meanwhile the high pressure draught in strip air cavity can be delivered in routing hole by sealing gland mouth, and base is constituted in routing hole
In the air sealant of high pressure draught, the whole air-tightness and thermal insulation property of the utility model are further increased.
On the one hand the utility model has good insulating performance and bearing capacity, can effectively meet and multiple types distribution
Cabinet and electric power cable match, and can effectively realize and carry out effective carrying positioning and insulating protection to electric power cable, and can
Reach the effective bending radius for increasing electric power cable, prevents electric power cable from causing electric power cable to insulate because bending radius is too small
The case where influence electric power cable operation stability such as change in resistance caused by structural damage and conductor deformation and reliability, occurs,
On the other hand in the process of running, effectively the effective isolation of progress inside the utility model two sides and the utility model can be made
Industry prevents the utility model two sides from gas leakage pressure release situation occurs and heat loss is tight because electric power cable routing hole air-tightness is insufficient
Reconstructed image occurs, and improves running environment between each chamber in inside power distribution cabinet and outside power distribution cabinet and power distribution cabinet inside to reach
Stability, to effectively improve power distribution cabinet internal environment operation stability and reduce power distribution cabinet internal operating environment aerostatic press temperature
Adjust the operation energy consumption of operation.
It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments.Above-described embodiment and
Only illustrate the principles of the present invention described in specification.On the premise of not departing from the spirit and scope of the utility model,
The utility model also has various changes and improvements.These changes and improvements both fall within the scope of the claimed invention
It is interior.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (7)
1. a kind of High aititude, low temperature environment electric control gear cable-through hole structure, it is characterised in that: the High aititude, low temperature ring
Border electric control gear cable-through hole structure includes baffle ring, bolster stake, sealing ring, and bolster stake is cylindrical structure, inside set and hold
The routing hole that column is coaxially distributed is carried, the bolster stake both ends and baffle ring are connected with each other, and are coaxially distributed with baffle ring, and the baffle ring is
The cyclic structure being coaxially distributed with bolster stake, and baffle ring internal diameter is 0.9-1.5 times for being routed bore dia, baffle ring outer diameter is carrying
1.5-5 times of column outer diameter set the cyclic annular air cavity being coaxially distributed with baffle ring in baffle ring, set at least in the bolster stake side wall
Two strip air cavitys around the distribution of bolster stake axis coaxle, the strip air cavity and carrying mast axis parallelly distribute on, both ends point
It is not connected to the cyclic annular air cavity in the baffle ring of bolster stake two sides, the baffle ring lateral surface sets an air guide port, the air guide port axis
It is in 30 ° -90 ° angles with baffle ring axis, and is interconnected with the cyclic annular air cavity in baffle ring, the corresponding bolster stake of the routing hole
Medial surface is evenly distributed with several sealing gland mouths, and each sealing gland mouth of crossing is uniformly distributed around carrying mast axis and uniformly distributed along bolster stake axis direction, described close
Seal ring is the closed loop cyclic structure being coaxially distributed with routing hole, in the routing hole and with routing hole contacted inner surfaces, and it is described
Sealing ring at least three, it is uniformly distributed along routing hole axis direction, and each sealing ring is respectively positioned on the phase uniformly distributed along bolster stake axis direction
Position between adjacent two sealing gland mouths, spacing is 1/3-the 1/6 of bolster stake effective length between two neighboring sealing ring, described close
Seal ring internal diameter is be routed bore dia 30% -90%.
2. a kind of High aititude according to claim 1, low temperature environment electric control gear cable-through hole structure, it is characterised in that:
The baffle ring, bolster stake are an integral structure, and include elastic insulated rubber matrix, metal bearing keel, and the metal is held
Keel are carried in elastic insulated rubber matrix, and spacing is not small between metal bearing keel and elastic insulated rubber matrix outer surface
In 5 millimeters, the metal bearing keel is the frame structure being coaxially distributed with baffle ring, bolster stake, the ring-type air cavity and strip
Air cavity is embedded in baffle ring, in the metal bearing keel in bolster stake respectively.
3. according to a kind of High aititude described in claim 1, low temperature environment electric control gear cable-through hole structure, it is characterised in that: institute
The baffle ring stated, the bolster stake connection position place of installing set flange sleeve, the flange sleeve be coated on bolster stake it is outer and with baffle ring rear end
Face offsets, and is connected with each other between baffle ring rear end face and flange sleeve front end face by least four springs, and the ring spring around
Baffle ring axis it is uniformly distributed and with baffle ring axis parallelly distribute on.
4. according to a kind of High aititude described in claim 1, low temperature environment electric control gear cable-through hole structure, it is characterised in that: institute
The bolster stake lateral surface stated is evenly distributed with several convex blocks, and the convex block is evenly arranged on bolster stake lateral surface around carrying mast axis, and edge is held
Carrying spacing between the uniformly distributed two neighboring convex block in mast axis direction is carry column length 1/10-1/3, and convex block upper surface is higher by
At least 3 millimeters of bolster stake lateral surface.
5. according to a kind of High aititude described in claim 1, low temperature environment electric control gear cable-through hole structure, it is characterised in that: institute
The sealing ring medial surface stated sets deformation seal groove, and the deformation sealing groove width is 1/4-the 3/4 of sealing ring front end face, depth
Be 1/5-the 1/3 of sealing ring sidewall thickness, and deformation seal groove cross section be " V " font structure, " Qian " font structure,
Any one in " U " font mechanism and isosceles trapezoidal structure.
6. according to a kind of High aititude described in claim 1, low temperature environment electric control gear cable-through hole structure, it is characterised in that: institute
The corresponding routing hole medial surface of the sealing ring stated sets bearing groove and is connected with each other by bearing groove and routing hole, the carrying groove depth
Degree is 1-5 millimeters.
7. according to a kind of High aititude described in claim 1, low temperature environment electric control gear cable-through hole structure, it is characterised in that: institute
Set at least one silicone rubber heating line in the strip air cavity stated, the silicone rubber heating wire loop is around strip air cavity axis structure in the shape of a spiral
Distribution, and the link electrode of the silicone rubber heating line is embedded in bolster stake lateral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920493019.2U CN209497115U (en) | 2019-04-12 | 2019-04-12 | A kind of High aititude, low temperature environment electric control gear cable-through hole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920493019.2U CN209497115U (en) | 2019-04-12 | 2019-04-12 | A kind of High aititude, low temperature environment electric control gear cable-through hole structure |
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| Publication Number | Publication Date |
|---|---|
| CN209497115U true CN209497115U (en) | 2019-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920493019.2U Active CN209497115U (en) | 2019-04-12 | 2019-04-12 | A kind of High aititude, low temperature environment electric control gear cable-through hole structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011187A (en) * | 2019-04-12 | 2019-07-12 | 焦作华飞电子电器股份有限公司 | A kind of High aititude, low temperature environment electric control gear cable-through hole structure |
-
2019
- 2019-04-12 CN CN201920493019.2U patent/CN209497115U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011187A (en) * | 2019-04-12 | 2019-07-12 | 焦作华飞电子电器股份有限公司 | A kind of High aititude, low temperature environment electric control gear cable-through hole structure |
| CN110011187B (en) * | 2019-04-12 | 2024-04-12 | 焦作华飞电子电器股份有限公司 | Wire passing hole structure for high-altitude low-temperature environment electric control device |
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