CN207743520U - Integrated transformer platform and its prefabricated busbar - Google Patents

Abstract

The utility model discloses a kind of integrated transformer platform and its prefabricated busbares, the prefabricated busbar includes that multiple busbars and package are molded over insulating layer outside busbar, the prefabricated busbar includes the upper connector being linked together up and down, intermediate connecting body and lower connector, upper connector is equipped with multiple upper binding heads, lower connector is equipped with multiple lower union joints, it is conductively connected by busbar realization between corresponding upper binding head and lower union joint, the intermediate connecting body can support the lug boss being located on the bracing members part of transformer platform equipped with multiple.The technical program is equipped with lug boss on prefabricated busbar, which is supported on the bracing members part for installing transformer by the lug boss, simple in structure, easy for installation, at low cost.

Description

Integrated transformer platform and its prefabricated busbar

Technical field

The utility model belongs to transformer equipment field more particularly to a kind of integrated transformer platform and its prefabricated busbar.

Background technology

The connection of the existing transformer platform area in China, transformer and comprehensive distribution box is all the connection type using cable, Need to make end when installation, it is time-consuming, labour-consuming, laborious.Along with the high speed development of electric system, to the timely of power supply The requirement of property, stability and reliability increasingly improves, and rural power grids are generally powered using transformer platform area at present, thus to transformation The demand of device taiwan area is more and more.State Grid Corporation of China fully implements a scientific outlook on development now, builds " resource-conserving, environment Friendly " society, improves integrated innovation ability energetically；All-round construction has security reliability, sturdy and durable, reasonable for structure, skill Art is advanced, economical and efficient Modern power distribution net.Therefore, research and development manufacture a kind of reasonable design, simple in structure, and can quickly solve one Bodyization becomes the connection busbar of transformer and comprehensive distribution box in platform, imperative.

The patent document of Publication No. CN107033318 discloses a kind of preform carrier based on integrated transformer platform Line prepares raw material and method and application, include the copper bar for being set as being connected between transformer module and low-voltage distribution module, Side surface part in copper bar and the wrapping layer body for copper bar insulation protection are set, copper bar inlay absolutely by wrapping layer body Edge and fixed protection.Wherein, prefabricated busbar is only realized by the connection with transformer and low-tension distribution box and is fixed, such preform carrier The weight of line all concentrates on the electrical connection position of low-voltage distribution box top and prefabricated busbar and transformer, and physics is fixed not It is unreliable to be enough securely electrically connected, and easily causes security risk；Also, prefabricated busbar does not have with low-voltage distribution box top binding site Sealing, rainwater dust, which is easily accessible low-tension distribution box, during outdoor use leads to security risk and electric fault.

It is outdoor that the patent document of Publication No. CN107033318 discloses a kind of three-phase and four-line of integrated transformer platform The prefabricated busbar of epoxy resin, including：Upper end busbar, busbar connecting component, fixing nut abaculus, outdoor poured with epoxy resin layer, Outdoor epoxy resin lid, lower end busbar；The upper end busbar is connect with lower end busbar by busbar connecting component, lower end busbar master Body is wrapped up by outdoor poured with epoxy resin layer.The fixing nut abaculus is poured in the both sides of outdoor poured with epoxy resin layer.Institute It is 4~8 to state fixing nut abaculus, is symmetrically disposed on the both sides of outdoor poured with epoxy resin layer.Busbar connecting component includes：Tightly Fixing bolt, plain washer, spring shim, nut.The open air epoxy resin lid is integrally poured into a mould with outdoor poured with epoxy resin layer, position In whole lower part, coordinate with comprehensive distribution box.The open air epoxy resin lid is umbrella cover body.The prefabricated busbar is in I-shaped Shape, upper and lower ends are big, and it is in divergent shape, lower end busbar that upper end busbar is connect by busbar connecting component positioned at upper end with lower end busbar It is in divergent shape in lower end, outdoor epoxy resin lid is located on the divergent shape of lower end.In the structure, pre-buried fixed spiral shell in prefabricated busbar Female abaculus, in order to ensure insulation effect and nut abaculus fixation, nut abaculus site volume is larger, and passes through nut spiral shell Bolt is fixedly connected, and installation is cumbersome, and cost is higher.

Invention content

In order to solve the above technical problems, the purpose of this utility model is to provide a kind of integrated transformer platform and its pre- Busbar processed, the prefabricated busbar are equipped with lug boss, which is supported on the steel for installing transformer by the lug boss It is simple in structure, easy for installation, at low cost on support element.

To achieve the above object, the utility model uses technical solution below：

The prefabricated busbar of integrated transformer platform, including multiple busbars and package are molded over outside busbar Insulating layer, which includes the upper connector (12), intermediate connecting body (11) and lower connector being linked together up and down (13), upper connector (12) is equipped with multiple upper binding heads (1201), and lower connector (13) is equipped with multiple lower union joints (1301), it is conductively connected by busbar realization between corresponding upper binding head (1201) and lower union joint (1301), institute The lug boss (1101) being located on the bracing members part of transformer platform can be supported equipped with multiple by stating intermediate connecting body (11).

Preferably, the lug boss (1101) is and insulating layer one moulding by casting or is fixedly mounted on insulating layer On.

Preferably, the lug boss (1101) is cylinder, elliptical cylinder-shape, semi-cylindrical, cuboid, annular, convex Edge shape or skewback shape.

Preferably, the lug boss (1101) have with bracing members part formed the contact point of upper lower support, contact line or Person's contact surface.

Preferably, the lug boss (1101) is to be in control opposite or front and back opposite setting in pairs.

Preferably, lower connector (13) bottom is equipped with a plug division for being plugged at the top of distribution box (1302), below the plug division (1302), which is recessed to be formed for multiple lower union joint (1301) settings There is a circle seal groove (1304), sealing ring (2) is equipped in seal groove (1304).

It is I-shaped that preferably, the prefabricated busbar is presented, lower connector is big, intermediate connecting body is small.

Preferably, the prefabricated busbar includes four busbars, each busbar includes the upper connection being connected Head (1201), intermediate connections (1102) and lower union joint (1301), upper binding head (1201) and lower union joint (1301) are by leading Goddess of lightning's line stretches out insulating layer and is formed, and is set on upper connector (12) there are four upper binding head (1201), is followed successively by from left to right in c phases Connector (1201c), b phases upper binding head (1201b), a phases upper binding head (1201a) and o phases upper binding head (1201o), lower company Lower union joint (1301) there are four being set on junctor (13), is followed successively by a phases lower union joint (1301a), b phase lower union joints from left to right (1301b), c phases lower union joint (1301c) and o phases lower union joint (1301o).

Preferably, upper binding head (1201) front-rear direction extends, lower union joint (1301) upper and lower directions extends；It is described to lead Goddess of lightning's line is copper bar；Four intermediate connections (1102) in intermediate connecting body (11) are arranged laterally at a spacing, intermediate connections (1102) include c phases intermediate connections (1102c), b phases intermediate connections (1102b), a phases intermediate connections (1102a) and o phases Intermediate connections (1102o) are equipped with the first lateral copper bar (1303) and the second lateral copper bar (1305) in lower connector (13), C phases intermediate connections (1102c) are connect by the second lateral copper bar (1305) with c phases lower union joint (1301c), are connected among a phases Wiring (1102a) is connect by the first lateral copper bar (1303) with a phases lower union joint (1301a), the first lateral copper bar (1303) Front and rear sides and the spacing distance of lower union joint (1301) are divided into the second lateral copper bar (1305)；Upper binding head (1201) Copper bar width direction be left and right directions, the copper bar width direction of lower union joint (1301) is front-rear direction, intermediate connections (1102) copper bar width direction is front-rear direction, and the copper bar of the first lateral copper bar (1303) and the second transverse direction copper bar (1305) is wide Degree direction is upper and lower directions；Upper binding head (1201), intermediate connections (1102), lower union joint (1301), the first lateral copper bar (1303) it is fixed by fastener between the second lateral copper bar (1305) and by welding blind.

A kind of integrated transformer platform includes transformer (5) above bracing members part and is mounted on bracing members part The distribution box (3) of lower section is connected between transformer (5) and distribution box (3) by prefabricated busbar as described above, prefabricated busbar Upper connector (12) connect with transformer (5), and the lower connector (13) of prefabricated busbar is connect with distribution box (3), and prefabricated busbar is logical Lug boss (1101) bearing crossed on intermediate connecting body (11) is located on bracing members part.

The utility model is equipped with lug boss, the prefabricated busbar as a result of above technical solution, the prefabricated busbar It is supported on the bracing members part for installing transformer by the lug boss, it is simple and reasonable, easy for installation, at low cost.

Description of the drawings

Fig. 1 is the structural schematic diagram of the prefabricated busbar of the utility model；

Fig. 2 is the side view of Fig. 1；

Fig. 3 is the upward view of Fig. 1；

Fig. 4 is the vertical view of Fig. 1；

Fig. 5 is A-A sectional views；

Fig. 6 is the scheme of installation of the prefabricated busbar of the utility model；

Fig. 7 is enlarged drawing at the I of Fig. 6；

Fig. 8 is the side view of Fig. 6；

Fig. 9 is the schematic wiring diagram (front) of the prefabricated busbar of the utility model；

Figure 10 is the c phases schematic wiring diagram (side) of the prefabricated busbar of the utility model；

Figure 11 is the b phases schematic wiring diagram (side) of the prefabricated busbar of the utility model；

Figure 12 is a phases schematic wiring diagram (side) of the prefabricated busbar of the utility model；

Figure 13 is the structural schematic diagram of the prefabricated busbar another embodiment of the utility model；

Figure 14 is the structural schematic diagram of the utility model integrated transformer platform.

Specific implementation mode

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of Describe the utility model and simplify to describe, do not indicate or imply the indicated device or element must have a particular orientation, With specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " multiple " It is two or more, unless otherwise restricted clearly.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only Indicate that fisrt feature level height is less than second feature.

In order to express easily, before being defined when in the utility model with prefabricated busbar on integrated transformer platform The right upper and lower directions of rear left.

A kind of prefabricated busbar of integrated transformer platform as shown in Figs. 1-5, including multiple busbars and package The insulating layer being molded over outside busbar, the prefabricated busbar include upper connector 12, the intermediate connecting body being linked together up and down 11 and lower connector 13, upper connector 12 is equipped with multiple upper binding heads 1201, and lower connector 13 is equipped with multiple lower union joints 1301, it is conductively connected by busbar realization between corresponding upper binding head 1201 and lower union joint 1301, the centre Connector 11 can support the lug boss 1101 being located on the bracing members part of transformer platform equipped with multiple.

The lug boss 1101 can be fixedly mounted on intermediate connecting body 11, be connected for example, lug boss is fixed on centre On pin hole or bolt hole on junctor 11.But the present embodiment is preferred, the lug boss 1101 is integrally poured into insulator Type does not need secondary operation in this way, more solid and reliable yet.

1101 shape of the lug boss can be diversified, including but not limited to cylinder, elliptical cylinder-shape, semicolumn Shape, cuboid, annular, flange shape or skewback shape, as long as the lug boss 1101 has forms upper lower support with bracing members part Contact point, contact line or contact surface.Preferably, the utility model gives two kinds of embodiments：The lug boss A kind of 1101 embodiment is skewback shape, shown as shown in Figure 1, Figure 2；Another embodiment is cylinder, as shown in figure 13. As considered, trepanning or slot are to support the mounting means of prefabricated busbar with 1101 location fit of lug boss on bracing members part, preferably round Cylindrical raised, to facilitate trepanning/slot matched.

For the ease of the solid and reliable prefabricated busbar of support, the lug boss 1101 is usually opposite or front and back in left and right Opposite setting in pairs, can be arranged two, can also be arranged four, even more.

As shown in figs 6-8,13 bottom of lower connector is equipped with a plug division 1302 for being plugged at the top of distribution box, Multiple lower union joints 1301 are arranged below the plug division 1302, which is formed with a circle seal groove 1304, seal groove 1304 is interior to be equipped with sealing ring 2.3 top of distribution box is provided with the trepanning of 13 grafting of lower connector for prefabricated busbar, The hole wall of the trepanning is dug to form flange 31 upwards, the flange 31 be embedded in the seal groove of the lower connector 13 of prefabricated busbar and with Sealing ring 2 offsets.

In the present embodiment, it is I-shaped that the prefabricated busbar presents that lower connector is big, intermediate connecting body is small, but this practicality is new The prefabricated busbar of type is not limited to I-shaped, can also be other any shapes.

As shown in Figure 5, Figure 9, which includes four busbars, and each busbar is upper including being connected Connector 1201, intermediate connections 1102 and lower union joint 1301, upper binding head 1201 and lower union joint 1301 are by busbar It stretches out insulating layer to be formed, is set on upper connector 12 there are four upper binding head 1201, be followed successively by c phase upper binding heads from left to right 1201c, b phase upper binding head 1201b, a phase upper binding head 1201a and o phase upper binding head 1201o, lower connector 13 are equipped with four A lower union joint 1301 is followed successively by a phase lower union joint 1301a, b phase lower union joint 1301b, c phase lower union joints from left to right 1301c and o phase lower union joints 1301o.1201 front-rear direction of all upper binding heads extends, 1301 upper and lower of all lower union joints To extension.The busbar is copper bar.

As shown in Figure 5, Figure 9, four intermediate connections 1102 in intermediate connecting body 11 are arranged laterally at a spacing, and centre connects Wiring 1102 includes among c phase intermediate connections 1102c, b phase intermediate connections 1102b, a phase intermediate connections 1102a and o phases Connecting line 1102o is equipped with 1303 and second lateral copper bar 1305 of the first lateral copper bar, as shown in figure 12, c in lower connector 13 Phase intermediate connections 1102c is connect by the second lateral copper bar 1305 with c phase lower union joints 1301c, as shown in Figure 10, in a phases Between connecting line 1102a connect with a phase lower union joints 1301a by the first lateral copper bar 1303, as shown in Figure 11, Fig. 9, in b phases Between connecting line 1102b be directly connected to b phase lower union joint 1301b, o phase intermediate connections 1102o and be directly connected to o phase lower union joints 1301o, 1303 and second lateral copper bar 1305 of the first lateral copper bar are divided into front and rear sides and the interval distance of lower union joint 1301 From.The copper bar width direction of upper binding head 1201 is left and right directions, and the copper bar width direction of lower union joint 1301 is front-rear direction, The copper bar width direction of intermediate connections 1102 is front-rear direction, the copper of 1303 and second lateral copper bar 1305 of the first lateral copper bar Row's width direction is upper and lower directions.In this way, four busbars are in arranged for interval in upper connector and intermediate connecting body It is lower straight-through that coordinated transposition is not present, realize that a phases and c intersect transposition by front and back lateral copper bar setting in lower connector, phase Than in the prior art (CN107033318A), volume is more compact, and structure is more reasonable, the insulation distance bigger between copper bar is exhausted Edge effect is good.

The lateral 1303 and second lateral copper of copper bar of upper binding head 1201, intermediate connections 1102, lower union joint 1301, first It is fixed by fastener between row 1305 and by welding blind.The junction of two copper bars is difficult after being fixed by fastener Exempt from there are gap, gap is crammed by welding, resin can be avoided, which to enter gap, influences the load-bearing capacity of busbar and electrical Performance.

In the present embodiment as shown in figs. 10-12,1303 and second lateral about 1305 copper bar dislocation of the first lateral copper bar is set It sets, installation not only can be facilitated, and there is better insulation effect.

In the utility model, the insulating layer outside busbar is molded for outdoor flame-retardant poured with epoxy resin.

A kind of preparation method of the prefabricated busbar of integrated transformer platform, includes the following steps：

1) feedstock processing：

Outdoor flame-retardant epoxy resin including following weight parts component：30-50 parts of cycloaliphatic epoxy resin, aluminium hydroxide 1- 15 parts, 30-50 parts of silicon powder, 4-20 parts of halogen-free flame retardants；Each component is added in retort, is stirred at 50-120 DEG C of temperature 60-120 minutes, then degassing dehydration 8 hours or more under the conditions of vacuum 50-1000Pa, releasings mixture was the outdoor flame-retardant Epoxy resin；

Outdoor flame-retardant curing agent including following weight parts component：30-50 parts of methyl hexahydrophthalic anhydride, aluminium hydroxide 1-15 Part, 30-50 parts of silicon powder, 4-15 parts of halogen-free flame retardants；Each component is added in retort, is stirred at 70-120 DEG C of temperature 60-120 minutes, then degassing dehydration 8 hours or more under the conditions of vacuum 50-1000Pa, releasings mixture was the outdoor flame-retardant Curing agent；

2) by upper binding head 1201, intermediate connections 1102, the lateral copper bar 1303 and second of lower union joint 1301, first Lateral copper bar 1305 be fixedly connected and plug completed in casting mold it is die-filling；Outdoor flame-retardant epoxy resin and outdoor flame-retardant are consolidated Agent presses 1:The prefabricated busbar of moulding by casting in die-filling mold is injected after 1 proportioning mixed processing and completes to cure.

Epoxide resin automatic pressure gel technique (APG works may be used in the manufacture production of one-pass molding (prefabricated) busbar Skill), epoxide resin vacuum pouring technology can also be used.

When using epoxide resin automatic pressure gel technique (APG techniques)：By above-mentioned outdoor flame-retardant epoxy resin and open air It is 25-40 DEG C of mixing tank that flame retardant curing agent, which is separately added into temperature, and anchor formula agitating paddle or spiral are used under the conditions of vacuum 50-500Pa Promote umbrella hat type agitating paddle mixing 60-120 minutes, 40-120 revs/min of mixing speed, in die-filling mould after the completion of processing The prefabricated busbar of moulding by casting in tool, mold temperature are 150-190 DEG C, and the mold forming and hardening time is 20-80 minutes；After die sinking, Molded prefabricated busbar is put into baking oven or curing oven carries out secondary curing, it is small at least to cure 8 at a temperature of 125-190 DEG C When.

The unique distinction of asphalt mixtures modified by epoxy resin automatic pressure gelation process (APG) technology is, by continuously being mixed to epoxy resin Material is subject to constant pressure, achievees the purpose that force supplement cure shrinkage.This process is completed in the mold of very high temperature , to make the mixture of epoxy resins of high reaction activity rapid gellation in a short time.Therefore, product surface zero defect, Internal stress is relatively low, and solidfied material is fine and close, consistency is good, and dimensional accuracy is high, and electromechanical properties are excellent, and product qualification rate is high.Due to gel Change the time generally to complete within a few minutes to dozens of minutes (different according to mold size), be greatly improved mould utilization factor, Shorten the production cycle.Since APG techniques are carried out in the system and device of an Integral sealing, and environmental pollution is small, are saved The energy saves working hour.

When using epoxide resin vacuum pouring technology：Above-mentioned outdoor flame-retardant epoxy resin and outdoor flame-retardant curing agent are distinguished The end that epoxy Resin Vacuum Pouring Devices are added mixes tank, and mixed tank temperature is 50-70 DEG C eventually, is used under the conditions of vacuum 50-500Pa Screw lifting umbrella hat type agitating paddle mixing 60-120 minutes, 40-120 revs/min of mixing speed.Simultaneously by die-filling mold It is put into the pouring can that temperature is 70-100 DEG C, is handled 20-60 minutes under vacuum 50-500Pa.When outdoor flame-retardant epoxy resin is matched After the processing time of side and mold all reaches requirement, mixed tank and pouring can still maintain previous vacuum condition eventually, open cast Valve is slowly poured into a mould, and pause cast deaerates for 2-5 minutes after pouring into a mould 2-5 minutes, is then further continued for pouring into a mould.About in 10-40 Cast is completed in minute, continues to be kept for 5-15 minutes under vacuum, so that it may release vacuum and come out of the stove；It will be molded prefabricated after die sinking Busbar is put into baking oven or curing oven carries out secondary curing, at least cures at a temperature of 125-140 DEG C 8 hours.

The prefabricated busbar of the integrated transformer platform of the utility model, through experiment test：Tensile strength >=9MPa is broken Split elongation >=300%, elasticity modulus >=3MPa, Shore A hardness >=50, volume resistivity >=10¹⁶Ω cm,

Dielectric loss≤0.03, breakdown strength >=35kV/mm, flame retardant rating reach U.S. fire proofing standard ANS/ UL94V0。

Following tests are carried out to the prefabricated busbar of the utility model, test process and test result is as follows：

1, industrial frequency withstand voltage is tested

(1) the test voltage value alternate, over the ground of prefabricated busbar：2.5kV/5s；

(2) during testing, no breakdown, flashover, electric discharge phenomena.

2, lightning impulse test

(1) surge voltage of the 1.2/50 μ s of each polarity application of prefabricated busbar 5 times, interval time is at least 1s.Experiment Pulse voltage is：6kV (all-wave).

(2) during the test, no breakdown, flashover, electric discharge phenomena.

3, temperature rise test

(1) temperature rise test of transformer, prefabricated busbar and comprehensive distribution box should be carried out at the same time.

(2) bus duct of prefabricated busbar, the temperature rise of conductor at bus tie, with busbar splicing position are no more than 60K, absolutely 10K is not to be exceeded in edge material surface temperature rise.

4, electric clearance and creepage distance experiment：

Electric clearance：15mm；Creepage distance：14mm.

5, the corrosion resistance test of reliability test：

(1) process is tested

1. moisture and hot ageing is tested

Temperature is 40 DEG C ± 3 DEG C, and relative humidity 95%, test period is for 24 hours.

2. salt spray test

Temperature is 35 DEG C ± 2 DEG C, and test period is for 24 hours.

(2) test result

It is rinsed with water 5min after experiment, then droplet is removed with hair-dryer, 2h in normal conditions of use is stored, through examining： 1. without apparent iron mold, rupture.2. different insulative material intersection, conductor and insulating materials intersection are without apparent deformation, rupture. 3. industrial frequency withstand voltage pass the test after experiment.

6, the change of temperature test of reliability test：

Low temperature：- 25 DEG C ± 3 DEG C, high temperature：40 DEG C ± 2 DEG C, the test period under low temperature and high temperature：2h, test cycle number 3 times.

It after experiment, is checked after standing 2h in normal atmospheric conditions it, through examining：1. without apparent slight crack, damage, rust Erosion.2. industrial frequency withstand voltage pass the test after experiment.

A kind of integrated transformer platform as shown in figure 14 includes the transformer 5 above bracing members part and installation Distribution box 3 below bracing members part is connected between transformer 5 and distribution box 3 by prefabricated busbar as described above, preform carrier The upper connector 12 of line is connect with transformer 5, and the lower connector 13 of prefabricated busbar is connect with distribution box 3, during prefabricated busbar passes through Between lug boss 1101 on connector 11 be supported on bracing members part.In the present embodiment, bracing members part includes the first channel steel 41, the Two channel steels 42 and third channel steel 43, the first channel steel 41 are fixedly connected with electric pole, and the second channel steel 42 and the first channel steel 41 are fixed and connected It connects and is used to fix transformer 5 thereon, third channel steel 43 is fixed on the second channel steel 42；Preferably, prefabricated busbar setting On two parallel third channel steels 43, the lug boss 1101 of prefabricated busbar is supported on 43 top of third channel steel.In other installations In mode, hole or slot are provided on third channel steel 43, the lug boss 1101 of prefabricated busbar coordinates with the hole on third channel steel 43 or slot It realizes bearing, not only can realize weight support, and position may be implemented and fix, prefabricated busbar is avoided to shake.It is described First channel steel 41, the second channel steel 42 and third channel steel 43 can also be the support element of angle steel, I-steel or other shapes.

As shown in figs 6-8,3 top of distribution box is provided with the trepanning of 13 grafting of lower connector for prefabricated busbar, the trepanning Hole wall is dug to form flange 31 upwards, the flange 31 be embedded in the seal groove of the lower connector 13 of prefabricated busbar and with sealing ring 2 It offsets.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiments or example.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and Modification.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in Within the scope of protection of the utility model.

Claims (10)

1. the prefabricated busbar of integrated transformer platform, including multiple busbars and package are molded over outside busbar Insulating layer, the prefabricated busbar include the upper connector (12), intermediate connecting body (11) and lower connector (13) being linked together up and down, Upper connector (12) is equipped with multiple upper binding heads (1201), and lower connector (13) is equipped with multiple lower union joints (1301), phase It is conductively connected by busbar realization between corresponding upper binding head (1201) and lower union joint (1301), which is characterized in that The intermediate connecting body (11) can support the lug boss (1101) being located on the bracing members part of transformer platform equipped with multiple.

2. a kind of prefabricated busbar of integrated transformer platform according to claim 1, which is characterized in that the lug boss (1101) be with insulating layer one moulding by casting or be fixedly mounted on the insulating layer.

3. a kind of prefabricated busbar of integrated transformer platform according to claim 1, which is characterized in that the lug boss (1101) cylinder, elliptical cylinder-shape, semi-cylindrical, cuboid, annular, flange shape or skewback shape.

4. a kind of prefabricated busbar of integrated transformer platform according to claim 1, which is characterized in that the lug boss (1101) there is contact point, contact line or the contact surface that upper lower support is formed with bracing members part.

5. a kind of prefabricated busbar of integrated transformer platform according to claim 1, which is characterized in that the lug boss (1101) it is in control opposite or front and back opposite setting in pairs to be.

6. a kind of prefabricated busbar of integrated transformer platform according to claim 1, which is characterized in that the lower connection Body (13) bottom is equipped with a plug division (1302) for being plugged at the top of distribution box, and multiple lower union joints (1301) are arranged at this Below plug division (1302), plug division (1302) surrounding recess is formed with a circle seal groove (1304), and seal groove (1304) is interior Equipped with sealing ring (2).

7. a kind of prefabricated busbar of integrated transformer platform according to claim 1, which is characterized in that the preform carrier Line is I-shaped in upper and lower connector is big, intermediate connecting body is small.

8. a kind of prefabricated busbar of integrated transformer platform according to claim 1, which is characterized in that the prefabricated busbar Including four busbars, each busbar include be connected upper binding head (1201), intermediate connections (1102) and Lower union joint (1301), upper binding head (1201) and lower union joint (1301) stretch out insulating layer by busbar and are formed, upper connection Upper binding head (1201) there are four being set on body (12), is followed successively by c phases upper binding head (1201c), b phase upper binding heads from left to right (1201b), a phases upper binding head (1201a) and o phases upper binding head (1201o), set that there are four lower union joints on lower connector (13) (1301), it is followed successively by a phases lower union joint (1301a), b phases lower union joint (1301b), c phases lower union joint (1301c) from left to right With o phases lower union joint (1301o).

9. a kind of prefabricated busbar of integrated transformer platform according to claim 8, which is characterized in that upper binding head (1201) front-rear direction extends, and lower union joint (1301) upper and lower directions extends；The busbar is copper bar；In intermediate connecting body (11) four intermediate connections (1102) in are arranged laterally at a spacing, and intermediate connections (1102) include c phase intermediate connections (1102c), b phases intermediate connections (1102b), a phases intermediate connections (1102a) and o phases intermediate connections (1102o), under The first lateral copper bar (1303) and the second lateral copper bar (1305) are equipped in connector (13), c phases intermediate connections (1102c) are logical It crosses the second lateral copper bar (1305) to connect with c phases lower union joint (1301c), a phases intermediate connections (1102a) are lateral by first Copper bar (1303) is connect with a phases lower union joint (1301a), and the first lateral copper bar (1303) and the second lateral copper bar (1305) are set up separately In the front and rear sides of lower union joint (1301) and spacing distance；The copper bar width direction of upper binding head (1201) is left and right directions, The copper bar width direction of lower union joint (1301) is front-rear direction, and the copper bar width direction of intermediate connections (1102) is front and back To the copper bar width direction of the first lateral copper bar (1303) and the second lateral copper bar (1305) is upper and lower directions；Upper binding head (1201), intermediate connections (1102), lower union joint (1301), the first lateral copper bar (1303) and the second lateral copper bar (1305) Between fixed by fastener and by weld blind.

Include transformer (5) above bracing members part and under bracing members part 10. a kind of integrated transformer platform The distribution box (3) of side, which is characterized in that pass through any one of such as claim 1 to 9 institute between transformer (5) and distribution box (3) The prefabricated busbar connection stated, the upper connector (12) of prefabricated busbar are connect with transformer (5), the lower connector (13) of prefabricated busbar It is connect with distribution box (3), prefabricated busbar is located in bracing members part by lug boss (1101) bearing on intermediate connecting body (11) On.