CN203596578U

CN203596578U - Pouring type bus duct

Info

Publication number: CN203596578U
Application number: CN201320647105.7U
Authority: CN
Inventors: 方强; 夏超; 陈庆周
Original assignee: GUANGZHOU CITY BANJING ELECTRONIC COPPER CO Ltd
Current assignee: GUANGZHOU CITY BANJING ELECTRONIC COPPER CO Ltd
Priority date: 2013-10-18
Filing date: 2013-10-18
Publication date: 2014-05-14
Anticipated expiration: 2023-10-18

Abstract

The utility model discloses a pouring type bus duct, comprising multi-strip parallel conductors and a composite insulating material. Each strip of conductor is wrapped by the composite insulating material. The bus duct also comprises a conductor mounting bracket. The conductor mounting bracket is provided with conductor grooves used to fix the conductors. The conductors and the conductor mounting bracket are solidified into an integrated one by the composite insulating material. The pouring type bus duct is provided with the conductor mounting bracket (which is insulated). The structure plays preferable role of supporting, fixing, and phase segregation, and strength of the pouring type bus duct is improved, playing relatively important role on rigidity of the bus duct. The structure plays a certain role on bus duct cracking prevention. The pouring type bus duct is waterproof, and can be used for a long time in water. The bus duct is acidproof, alkaliproof, and inflaming retarding. Protection grade reaches the highest protection grade IP68 grade, specified by national standard GB7251.1-2005. The pouring type bus duct would not crack in operation, and can be used in various severe environments.

Description

Casting type bus duct

Technical field

The utility model belongs to equipment for power transmission and distribution technical field, particularly relates to a kind of casting type bus duct.

Background technology

Existing bus duct comprises housing, in housing, walk abreast and be provided with many strip conductors, in order to guarantee the insulation between each conductor, mainly adopt polyester film to insulate, as shown in Figure 1, there is following defect in this structure: shell, particularly elbow, connector place (being joint) are easily intake, or humid air easily makes insulation reduce, or directly cause short circuit, when serious, also can cause the blast of connector place, by badly damaged to connector itself and two bus duct unit being attached thereto, cannot repair even simultaneously.

Utility model content

Based on this, the purpose of this utility model is to provide a kind of casting type bus duct.

Concrete technical scheme is as follows:

A kind of casting type bus duct, comprise many parallel conductors and composite insulating material, every strip conductor is all wrapped up by composite insulating material, also comprise conductor analog bracket, described conductor analog bracket is provided with the conductor slot for fixed conductor, and conductor and conductor analog bracket are wrapped up and be solidified into an entirety by composite insulating material.

Conductor analog bracket is set and is not only convenient to cast, can also strengthen the intensity of casting type bus duct, the rigidity of bus duct is played to larger effect; The cracking behavior of antagonism bus duct plays a role.

In an embodiment, described conductor analog bracket is separately positioned on the two ends of casting type bus duct therein.At the two ends of bus duct, conductor analog bracket is set; Conductor analog bracket itself insulate, to be made by high-strength insulating material, its insulation resistance reaches 1000M Ω (with the test of rated voltage 1000V megohmmeter), conductor analog bracket is set and in casting process, can plays good supporting role to conductor, can also strengthen to a certain extent the intensity of bus duct.

Therein in an embodiment, axially every 500-550mm, a conductor analog bracket is set along described casting type bus duct.Along the rigidity that axially a conductor analog bracket is set can improves largely bus duct every 500-550mm of casting type bus duct, increase the service life.

In an embodiment, the cell wall thickness of described conductor slot is 10-12mm therein, and the degree of depth of conductor slot is at least the half of conductor height.

In an embodiment, the distance between the bus duct outer surface that the top of described conductor analog bracket is adjacent is that 7-15mm(is referring to Fig. 4 therein).If distance is less than 7mm, analog bracket from bus duct upper face too close to, the insulating material that may make the top of analog bracket cover due to the distortion of operating procedure and conductor is very thin, affects the intensity of bus duct, holds bad bracket portion expose bus duct surface while even cast because of operation.If distance is greater than 15mm, in the case of the height of bus duct is constant, the top of analog bracket body is with regard to attenuation, and then affects the intensity of analog bracket itself, thereby the intensity of bus duct also can weaken; If keep bracket top thickness constant, can only increase the height of mother and sons' wire casing, so just increase the cost of bus duct.7-15mm these data be consider from many aspects and practical operation in sum up out.

Advantage of the present utility model is as follows:

1, the utility model casting type bus duct waterproof, can be in water be used for a long time, and acid and alkali resistance is fire-retardant, and the be up to state standards high-protection level of GB7251.1-2005 regulation of degree of protection is IP68 level, when operation, can not ftracture; Can in multiple adverse circumstances, use.

2, in the utility model casting type bus duct, be provided with conductor analog bracket, this structure can play good supporting role to conductor in casting process, can also strengthen the intensity of casting type bus duct, the rigidity of bus duct is played to larger effect, play with composite insulating material synergy the effect that anti-bus duct body ftractures.

3, along the rigidity that axially a conductor analog bracket is set can improves largely bus duct every 500-550mm of casting type bus duct, increase the service life; Conductor analog bracket can also reduce the destruction to bus duct body of electric power that bus duct particularly produces between conductor when overload or short circuit in energising operation, strengthen bus duct body (or housing) and resist the destruction of external strength, thereby improve the fail safe of bus duct.

Accompanying drawing explanation

Fig. 1 is the bus duct structural representation of prior art;

Fig. 2 is the front view of the utility model casting type bus duct;

Fig. 3 is the vertical view of the utility model casting type bus duct;

Fig. 4 is A-A cutaway view;

Fig. 5 is B-B cutaway view.

Description of reference numerals:

101, conductor; 102, bracket, 103, composite insulating material

Embodiment

By the following examples the application is further elaborated.

With reference to figure 2-5, a kind of casting type bus duct of the present embodiment, comprise many parallel conductors 101 and composite insulating material 103, every strip conductor is all wrapped up by composite insulating material, also comprise conductor analog bracket 102, described conductor analog bracket is provided with the conductor slot for fixed conductor, and conductor and conductor analog bracket are wrapped up and be solidified into an entirety by composite insulating material.

The cell wall thickness of described conductor slot is 10-12mm, the half that the degree of depth of conductor slot is conductor height.

Distance between the bus duct outer surface that the top of described conductor analog bracket is adjacent is 7-15mm.

Conductor analog bracket itself insulate, to be made by high-strength insulating material, its insulation resistance reaches 1000M Ω (with the test of rated voltage 1000V megohmmeter), conductor analog bracket is set and in casting process, can plays good supporting role to conductor, can also strengthen to a certain extent the intensity of bus duct, the rigidity of bus duct is played to larger effect, play with composite insulating material synergy the effect that anti-bus duct body ftractures.

Described conductor analog bracket is separately positioned on the two ends of casting type bus duct, simultaneously axially every 500-550mm, a conductor analog bracket is set along described casting type bus duct.Axially every 500-550mm, conductor analog bracket is set at the two ends of bus duct and along casting type bus duct, in casting process, can play good supporting role to conductor, can also strengthen largely the intensity of bus duct, and extend the useful life of bus duct; Conductor analog bracket can also reduce the destruction to bus duct body of electric power that bus duct particularly produces between conductor when overload or short circuit in energising operation, thus the fail safe that improves bus duct.

Distance between the bus duct outer surface that the top of conductor analog bracket is adjacent is for being limited to 7-15mm(referring to Fig. 4) between.If distance is less than 7mm, analog bracket from bus duct upper face too close to, the insulating material that may make the top of analog bracket cover due to the distortion of operating procedure and conductor is very thin, affects the intensity of bus duct, holds bad bracket portion expose bus duct surface while even cast because of operation.If distance is greater than 15mm, in the case of the height of bus duct is constant, the top of analog bracket body is with regard to attenuation, and then affects the intensity of analog bracket itself, thereby the intensity of bus duct also can weaken; If keep bracket top thickness constant, can only increase the height of mother and sons' wire casing, so just increase the cost of bus duct.7-15mm these data be consider from many aspects and practical operation in sum up out.

The utility model casting type bus duct waterproof can be used for a long time in water, acid and alkali resistance, and fire-retardant, it is IP68 level that degree of protection reaches highest level, when operation, can not ftracture; Can in multiple adverse circumstances, use.

The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.

Claims

1. a casting type bus duct, comprise many parallel conductors and composite insulating material, every strip conductor is all wrapped up by composite insulating material, it is characterized in that, also comprise conductor analog bracket, described conductor analog bracket is provided with the conductor slot for fixed conductor, and conductor and conductor analog bracket are wrapped up and be solidified into an entirety by composite insulating material.

2. casting type bus duct according to claim 1, is characterized in that, described conductor analog bracket is separately positioned on the two ends of casting type bus duct.

3. casting type bus duct according to claim 1 and 2, is characterized in that, axially every 500-550mm, a conductor insulation analog bracket is set along described casting type bus duct.

4. casting type bus duct according to claim 1 and 2, is characterized in that, the cell wall thickness of described conductor slot is 10-12mm, and the degree of depth of conductor slot is at least the half of conductor height.

5. casting type bus duct according to claim 1 and 2, is characterized in that, the distance between the bus duct outer surface that the top of described conductor analog bracket is adjacent is 7-15mm.