CN205944868U - In put formula high -voltage board - Google Patents

Abstract

The utility model discloses an in put formula high -voltage board has solved the bus -bar system and made insulating sheath intensifications of being heated because the circular telegram is generated heat in the use, leads to generating line work unstable, or even causes the problem of conflagration. Its technical scheme main points are that this in put formula high -voltage board includes the bus -bar room, and the bus -bar room includes main bus -bar, the little generating line of branch, female wire sleeve and static contact devices, and the main bus -bar is located female wire sleeve and meets with static contact devices through the little generating line of branch, and female wire sleeve includes that the outer wall axial distributes and has the insulating cover of creepage cluster parachute, and insulating cover outer wall middle part is equipped with the installation department and insulating cover inner wall is connected with the heat dissipation layer, and the heat dissipation layer is connected with fixed endotheca and spacing endotheca, spacing endotheca connection bus groove. Reached the probability that effective reduction the conflagration breaks out, improved bus -bar system built -in electrical insulation and high temperature resistance ability, the condition of a fire of nipping in the bud when making insulating cover high temperature the conflagration break out, the purpose of reducing the loss.

Description

Central high-voltage cabinet

Technical field

The utility model is related to control panel field, in particular, is related to a kind of central high-voltage cabinet.

Background technology

In modern society, the use of electric power is very universal.Wherein central high-voltage cabinet plays requisite effect. Central high-voltage cabinet is mainly used in power plant, the power transmission of medium and small generator, power system secondary substation by electricity, power transmission, The distribution of industrial and mineral enterprises and institutions, and the starting of Large-scale High-Pressure motor etc..And the bus-bar system in central high-voltage cabinet is One power distribution equipment efficiently conveying electric current, has especially adapted to higher and higher building and large-scale plant economical rationality distribution Needs.Bus-bar system, in installation process now, generally installs simple insulating sheath additional and improves Electrical Safety, but energising uses When bus so that insulating sheath is heated intensification due to heating, lead to bus job insecurity, or even initiation fire.

Utility model content

Goal of the invention of the present utility model is to provide a kind of central high-voltage cabinet, the bus pipe box energy of this central high-voltage cabinet Strengthen high temperature resistant property, bus-bar room can effectively reduce indoor temperature, improve the normal stability using of bus, reduce and fire occurs Risk.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of central high-voltage cabinet, including bus-bar room, breaker chamber, cable vault and relay control room, described bus-bar room Including main bus-bar, the little bus of branch, bus casing and static contact head device, described main bus-bar is located in bus casing and passes through branch Little bus is connected with static contact head device, and described bus casing includes insulation sleeve, and described insulation sleeve outer wall is axially distributed with climbs electric umbrella Group, is provided with installation portion in the middle part of described insulation sleeve outer wall, described insulation sleeve inwall is connected with heat dissipating layer, and described heat dissipating layer is connected with solid Determine inner sleeve and spacing inner sleeve, described spacing inner sleeve connects bus duct.

By adopting technique scheme, facilitate the installation operation of bus-bar system, and position, guide conveniently, improve Operating efficiency.The use of the bus casing containing insulation sleeve makes bus electric conductivity substantially reduce, and improves the use of bus-bar system Performance and security.Heat dissipating layer can effectively reduce the indoor temperature of bus, reduces the probability that fire occurs, and improves bus-bar system Security.Climbing electric cluster parachute makes bus casing be not susceptible to creepage phenomenon, extends the service life of bus casing it is ensured that electric power The safe operation of circuit.Fixing inner sleeve and spacing inner sleeve make bus casing structural stability and security improve.

Of the present utility model it is further disposed in, described fixing inner sleeve and spacing inner sleeve all using insulation, high temperature resistant rubber Glue material is made.

By adopting technique scheme, improve the insulating properties within bus-bar system and resistance to elevated temperatures, make bus pipe Set internal structure is stable, improves the overall stability of bus-bar system and security further.

Of the present utility model be further disposed at being fixedly connected on heat dissipating layer and insulation sleeve inwall in, described spacing inner sleeve, Described spacing inner sleeve includes being embedded with the hollow groove of bus duct.

By adopting technique scheme, fixing bus duct makes bus casing stability be lifted, and improves inside bus-bar system Insulating properties and resistance to elevated temperatures, make bus pipe box internal structure stable.

Of the present utility model it is further disposed in being provided with hollow chamber in described insulation sleeve, the filling of described hollow chamber There is dry powder.

By adopting technique scheme, enable the too high condition of a fire that occurs to nip in the bud during fire of insulation sleeving temperature, prevent mother Thread casing is destroyed further, reduces loss.

Of the present utility model it is further disposed at being provided with around equidistant point of bus duct setting in, described fixing inner sleeve inwall The grading ring of cloth.

By using technique scheme so that in bus casing Electric Field Distribution balance, good stability, be not susceptible to climb Electrical phenomena, extends the service life of bus casing it is ensured that the safe operation of power circuit.

Of the present utility model it is further disposed at including insulation sleeve inwall axially equidistant annular distribution in, described heat dissipating layer Fin.

By adopting technique scheme, accelerate the rate of heat dispation of fin, improve the operating efficiency of fin, further Reduce the temperature of bus-bar room, reduce bus-bar room fire incident risk, improve bus-bar room overall security.

Of the present utility model it is further disposed in described bus-bar room is provided with the flowing water pipe around bus casing, described Central high-voltage cabinet also includes suction pump.

By adopting technique scheme, effectively reduce the indoor temperature environment of bus, reduce the probability that fire occurs, Improve the overall security of bus-bar room.

Of the present utility model it is further disposed in described flowing water pipe passes through climbing and enclose at electric cluster parachute trench on insulation sleeve Around bus casing.

By adopting technique scheme, flowing water pipe can sufficiently be contacted with insulation sleeve, enables bus casing and flowing Hydro-thermal amount in water pipe fully exchanges, and effectively reduces the temperature in bus, improves the security of bus-bar room.

In sum, the utility model has the advantages that：Facilitate the installation operation of bus-bar system, improve work Make efficiency.Effectively reduce the indoor temperature of bus, reduce the probability that fire occurs, improve the security of bus-bar system.So that it is female Electric Field Distribution balance in thread casing, good stability, it is not susceptible to creepage phenomenon, extends the service life of bus casing, protect Demonstrate,prove the safe operation of power circuit.Firm bus casing internal structure, improves bus-bar system resistance to overturning.Improve bus The insulating properties of internal system and resistance to elevated temperatures, enable the too high condition of a fire that occurs to nip in the bud during fire of insulation sleeving temperature, reduce Loss.

Brief description

Fig. 1 is the structural representation of central high-voltage cabinet；

Fig. 2 is the generalized section of bus casing；

Fig. 3 is the section exploded perspective view of bus casing.

In figure, 1, bus-bar room；11st, main bus-bar；12nd, the little bus of branch；13rd, bus casing；131st, insulation sleeve；132nd, climb electricity Cluster parachute；133rd, installation portion；134th, hollow chamber；135th, heat dissipating layer；136th, fixing inner sleeve；137th, spacing inner sleeve；138th, grading ring； 139th, bus duct；14th, static contact head device；15th, flow water pipe；2nd, breaker chamber；21st, secondary plug；22nd, circuit breaker cart；23、 Heater；3rd, cable vault；31st, earthed switch；32nd, cable；33rd, arrester；34th, earthing main bus；4th, relay control room； 5th, shell；6th, suction pump.

Specific embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make to the present embodiment after reading this specification as needed does not have the modification of creative contribution, but As long as all being protected by Patent Law in right of the present utility model.

Embodiment

As shown in figure 1, central high-voltage cabinet includes shell 5, suction pump 6, bus-bar room 1, breaker chamber 2, cable vault 3 and Relay control room 4.Bus-bar room 1 includes main bus-bar 11, the little bus of branch 12, bus casing 13, static contact head device 14 and flowing Water pipe 15.Main bus-bar 11 is located in bus casing 13 and is connected with static contact head device 14 by the little bus of branch 12, bus casing 13 are fixed on bus-bar room 1 inscribe in Chinese character pin-shaped arrangement.Suction pump 6 is placed in outside bus-bar room 1, and flowing water pipe 15 one end is from suction pump 6 Extend, stretch with around another bus casing 13 around follow-up reneing of bus casing 13 in bus-bar room 1, around bus sheath Preferably flow water pipe 15 along climbing at the trench of electric cluster parachute 132 around making flowing water pipe 15 and bus on insulation sleeve 131 during pipe 13 Sleeve pipe 13 is fully contacted.Flowing water pipe 15 extends suction pump 6 one water circulation of formation around follow-up the reneing of all bus casings 13 Process.

Breaker chamber 2 includes secondary plug 21, circuit breaker cart 22 and heater 23.Secondary plug 21 is placed in relay Control room 4 lower section is connected with relay control room 4.Circuit breaker cart 22 one end is connected to secondary plug 21, and the other end connects and adds Thermal 23.Open circuit control to circuit can be realized by running circuit breaker handcart 22.

Cable vault 3 is placed in below bus-bar room 1, includes earthed switch 31, cable 32, arrester 33 and earthing main bus 34.Earthed switch 31 is placed on cable vault 3 one wall and is connected to the ground to reach the purpose of ground connection, realizes the purpose of Electrical Safety. Cable 32 is vertically arranged in cable vault 3 and one end connects bus-bar room 1, and the other end is placed in cable vault 3.Arrester 33 one end connects Ground switch 31, the other end connects earthing main bus 34.Earthing main bus 34 are placed in the bottom of cable vault 3 to be grounded setting.Pass through The integrated connection setting of earthed switch 31, arrester 33 and earthing main bus 34, realizes the purpose of Electrical Safety.

As shown in Figure 2 and Figure 3, bus casing 13 includes insulation sleeve 131, and insulation sleeve 131 is placed in bus casing 13 outermost layer. Insulation sleeve 131 outer wall is axially distributed with climbs electric cluster parachute 132, climbs electric cluster parachute 132 and is set to a circle circle and is equidistantly surrounded on insulation sleeve 131 Concavo-convex circle.Climb electric cluster parachute 132 structure be advantageously used for be wound around flowing water pipe 15 make insulation sleeve 131 with flow water pipe 15 fully connect Touch.It is provided with installation portion 133, installation portion 133 opposing insulation set 131 pipe outwardly, is preferably disposed in absolutely in the middle part of insulation sleeve 131 outer wall Edge covers 131 pipe outer wall centre positions, the part foreign steamer that installation portion 133 outwardly extends along insulation sleeve 131 outer wall centre position Wide rectangular, can be used at rectangle corner installing and fix.

It is provided with hollow chamber 134, hollow chamber 134 can be used for filling dry powder inside insulation sleeve 131.Dry powder is preferably carbonic acid Hydrogen sodium dry powder and modified sodium salt dry powder.When occurring fire to burn when insulation sleeve 131 outer wall because temperature raises, hollow chamber Dry powder in 134 can be nipped in the bud the condition of a fire, prevents from being destroyed further inside bus casing 13, reduces loss.Hollow chamber 134 It is also configured to the convex umbilicate distribution in both sides centered on installation portion 133 it is therefore an objective to make insulation sleeve 131 inwall be in installation portion The convex umbilicate shape in both sides centered on 133.Insulation sleeve 131 inwall recess is connected with heat dissipating layer 135, and heat dissipating layer 135 includes absolutely The fin of the equidistant annular distribution of edge set 131 inwall axial direction.The fin vertically insulated set parallel distribution of 131 inwalls.

Heat dissipating layer 135 is provided with fixing inner sleeve 136 and spacing inner sleeve 137 along inwall.Fixing inner sleeve 136 laminating heat dissipating layer 135 Inwall.Spacing inner sleeve 137 not only fits heat dissipating layer 135 inwall but also chimeric with the concavo-convex intersection of insulation sleeve 131 inwall, in addition Spacing inner sleeve 137 is additionally provided with the ring-type projection corresponding with fixing inner sleeve 136, with this fixing inner sleeve 136 in heat dissipating layer 135 On inwall.In addition spacing inner sleeve 137 has hollow groove, and hollow groove size is corresponding with bus duct 139, and hollow groove is used for chimeric mother Wire casing 139 is so that bus duct 139 is fixing.Fixing inner sleeve 136 and spacing inner sleeve 137 are preferably by insulation, high-temperature resistant rubber material system Become.Fixing inner sleeve 136 inwall is provided with the annular recess being equally spaced.On annular recess, fitting connection has corresponding and size is suitable The grading ring 138 closing.The ring that grading ring 138, single fin are formed all is be arranged in parallel with the trench ring climbing electric cluster parachute 132.All press Ring 138 is uniformly distributed makes the Electric Field Distribution of bus duct 139 balance, and extends the service life of bus casing 13 it is ensured that electric power The safe operation of circuit.Grading ring 138 center is equipped with bus duct 139, bus duct 139 pass through insulation sleeve 131, heat dissipating layer 135, Fixing inner sleeve 136, spacing inner sleeve 137 and grading ring 138 center.

Claims (8)

1. a kind of central high-voltage cabinet, including bus-bar room (1), breaker chamber (2), cable vault (3) and relay control room (4), Described bus-bar room (1) includes main bus-bar (11), the little bus of branch (12), bus casing (13) and static contact head device (14), and it is special Levy and be：Described main bus-bar (11) is located in bus casing (13) and passes through the little bus of branch (12) and static contact head device (14) phase Connect, described bus casing (13) includes insulation sleeve (131), and described insulation sleeve (131) outer wall is axially distributed with climbs electric cluster parachute (132), it is provided with installation portion (133) in the middle part of described insulation sleeve (131) outer wall, described insulation sleeve (131) inwall is connected with heat dissipating layer (135), described heat dissipating layer (135) is connected with fixing inner sleeve (136) and spacing inner sleeve (137), and described spacing inner sleeve (137) connects Bus duct (139).

2. central high-voltage cabinet according to claim 1 it is characterised in that：Described fixing inner sleeve (136) and spacing inner sleeve (137) all made using insulation, high-temperature resistant rubber material.

3. central high-voltage cabinet according to claim 2 it is characterised in that：Described spacing inner sleeve (137) is fixedly connected on Heat dissipating layer (135) and insulation sleeve (131) inwall, described spacing inner sleeve (137) includes being embedded with the hollow of bus duct (139) Groove.

4. central high-voltage cabinet according to claim 3 it is characterised in that：It is provided with middle cavity in described insulation sleeve (131) Room (134), described hollow chamber (134) is filled with dry powder.

5. central high-voltage cabinet according to claim 4 it is characterised in that：Described fixing inner sleeve (136) inwall is provided with The grading ring (138) being equally spaced around bus duct (139) setting.

6. central high-voltage cabinet according to claim 5 it is characterised in that：Described heat dissipating layer (135) includes insulation sleeve (131) fin of the equidistant annular distribution of inwall axial direction.

7. central high-voltage cabinet according to claim 6 it is characterised in that：Described bus-bar room (1) is provided with around bus sheath The flowing water pipe (15) of pipe (13), described central high-voltage cabinet also includes suction pump (6).

8. central high-voltage cabinet according to claim 7 it is characterised in that：Described flowing water pipe (15) is centered around insulation sleeve (131) climbing at electric cluster parachute (132) trench on.