CN106612066B - A kind of assembly method of tandem type high-voltage high-power converter constructional device - Google Patents
A kind of assembly method of tandem type high-voltage high-power converter constructional device Download PDFInfo
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- CN106612066B CN106612066B CN201710103338.3A CN201710103338A CN106612066B CN 106612066 B CN106612066 B CN 106612066B CN 201710103338 A CN201710103338 A CN 201710103338A CN 106612066 B CN106612066 B CN 106612066B
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- cabinet body
- phase
- cabinet
- shifting transformer
- transformer
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
Abstract
The present invention relates to a kind of assembly method of tandem type high-voltage high-power converter constructional device, the assembly method of described device includes: to disassemble cabinet body frame and bottom base of cabinet body, and bottom base of cabinet body is in place；Successively control cabinet and phase-shifting transformer are hung on bottom base of cabinet body, and are screwed；Cabinet body frame is inserted in control cabinet and phase-shifting transformer from the top down, and is connect with bottom base of cabinet body；Inside cabinet body frame, from front to back using insulation bar, it is overlapped to form skeleton from top to bottom, and the forward and backward chamber of cabinet body is separated with wind partition；Secondary side cable on phase-shifting transformer, through cabinet body front chamber, is connected from the through-hole of insulation bar with designated position power cell on skeleton is pushed in turn；Cooling fan finally is installed in cabinet top, shutter and control cabinet man-machine interface are installed in forward and backward cabinet door.This method makes major component of current transformer is integrated to be mounted in a cabinet, so that space utilization rate maximizes, improves reliability, reduces cost and equipment space occupied.
Description
Technical field
The invention belongs to power electronics fields, in particular to a kind of to be applied to blower, pump in type load regulating system
A kind of tandem type high-voltage high-power converter constructional device assembly method.
Background technique
Currently, high-voltage high-power frequency transformator have passed through the development of many years, all tend to be mature from the point of view of technology and market.In recent years
Come, due to the addition of numerous producers, causes current market competition fiercer.High-voltage frequency converter will be towards high-performance, Gao Ke
Direction by property, low price is developed.But on small-capacity product, has only and release the higher product of cost performance, could be future
Product promotion application bring more wide prospect, total number of units of country's installation can increase sharply because of the decline of average price.
The technology and performance characteristics of existing product are not all shown one's talent in numerous frequency converter producers, single for device structure, existing
Product is control cabinet, unit inverter cabinet, and phase-shifting transformer cabinet and the bypass each cabinet body of cabinet individually assemble, and final cabinet of spelling is one
It rises.Under the Market Situation of existing sternness, higher performance is developed, the lower product of cost is imperative, then in existing structure
On to carry out integration be a good approach, in these cabinet bodies, only transformer and power cell need ventilation and heat, and control
Cabinet and bypass cabinet do not need ventilation and heat, and bypass cabinet is also that can be matched according to user demand, in conjunction with these considerations, if removing
Bypass cabinet is opened, 3 cabinet bodies of residue are all combined, become a cabinet body, that can save more spaces, may be used also
With share cooling fan resource, for low cost and high reliability on across major step.So integrate what hardly possible three cabinet bodies have
Degree, one first is exactly heat dissipation problem, and since transformer and power cell require to radiate, but required heat radiation power is
It is different, air quantity how is distributed to be radiated be exactly a difficult point, needs to adjust the wind partition of transformer to find best point
With position；Second, compact so that assembly technology difficulty increases in structure, the sequencing etc. of assembly also proposed higher want
It asks, equipment cannot observe directly Circuit Fault on Secondary Transformer wiring condition after the assembly is completed, the difficulty for repair and maintenance
It is larger.Third, power cell, phase-shifting transformer, control cabinet are incorporated into inside a cabinet body, this three's quality difference is big, matching
The transformer of different quality, equipment entirety focus point can also generate variation, when in arrangement and asymmetric, how keep integral hoisting
Balance be a problem again.
Summary of the invention
Referring to my company succeeded research and development successive dynasties current transformer, and using high-voltage frequency converter for many years accumulation technology base
Plinth develops the constructional device for tandem type high-voltage high-power converter of a new generation.
Technical solution of the present invention is as follows:
A kind of assembly method of tandem type high-voltage high-power converter constructional device, described device include power cell, move
Phase transformer, blower and control cabinet, the power cell, phase-shifting transformer and control cabinet integrated installation are in a cabinet body, institute
The assembly method for stating device includes:
A) cabinet body frame and bottom base of cabinet body are disassembled, bottom base of cabinet body is in place；
B) successively control cabinet and phase-shifting transformer are hung on bottom base of cabinet body, and are screwed；
C) cabinet body frame is inserted in from the top down to control cabinet and phase-shifting transformer, and connect with bottom base of cabinet body；
D) inside cabinet body frame, from front to back using insulation bar, it is overlapped to form skeleton from top to bottom, and with wind partition cabinet
The forward and backward chamber of body separates；
E) through cabinet body front chamber from the through-hole of insulation bar and bone is pushed in turn in the secondary side cable on phase-shifting transformer
Designated position power cell is connected on frame；
F cooling fan finally) is installed in cabinet top, shutter and control cabinet man-machine interface are installed in forward and backward cabinet door.
Further, the rear chamber includes transformer chamber and control cabinet chamber, is reserved in the transformer chamber
The integral air duct shared with power cell, integral air duct is led to by radiator, wind partition aperture in the air duct of power cell.
Further, the control cabinet chamber is separate chamber, and is isolated with integral air duct.
Further, the power cell and phase-shifting transformer pass through cable connection, described cable one end and phase shift transformation
The secondary side leading-out terminal of device welds, and the inlet wire copper bar of the other end and power cell is connected using screw；It is put after the cable connection
It is placed in integral air duct.
Further, the bottom base of cabinet body is disposed with several scalable lifting points.
Further, it is provided at the 2/3 of phase-shifting transformer external coil height around phase-shifting transformer external coil
Lateral partitions form slit between the lateral partitions and phase-shifting transformer external coil.
Further, it is provided at the 1/3 of phase-shifting transformer external coil height around phase-shifting transformer external coil
Lateral partitions form slit between the lateral partitions and phase-shifting transformer external coil.
Further, the width of the slit is 2cm to 3cm.Slit between lateral partitions and transformer external coil
In 2cm to 3cm, external coil surface wind speed ratio does not have wind speed when lateral partitions to improve 2 to 3 times.
Further, it is all provided with air inlet before and after the cabinet body, and shutter, the shutter are set in air inlet position
It is provided with strainer, the strainer contains flame retardant polyurethane sponge；Front door blinds window ara is corresponding much larger than each power cell
The air-admitting surface being arranged on front door；Back door air inlet is positioned close on the Rear Door of transformer cavity bottom, shutter
Area is much larger than phase-shifting transformer Inside coil air-admitting surface.
Compared with the prior art, the invention has the advantages that:
Major component is separately mounted to bottom base of cabinet body inside this equipment, installs according to above-mentioned assemble sequence, so that cabinet body
Internal space utilization rate significantly improves, and internal all types of line greatly shortens, and equipment cost performance improves.Equipment assembly is completed
Afterwards, hanging device is also once to complete, and individually lifts, improves efficiency without multiple multiple single cabinets.
The prior art, one cabinet body of power cell, one cabinet body of phase-shifting transformer, one cabinet body of control cabinet, last three
Cabinet body, which spells cabinet, becomes an equipment, and overall construction design of the invention is that power cell, phase-shifting transformer and control cabinet are whole
A cabinet body is synthesized, compared with the prior art, the space utilization rate of equipment is high, and occupation area of equipment is small, and cost significantly reduces.
In large-scale power electronic equipment, as the temperature rises, the service life can reduce electronic component, and crash rate can increase
Greatly, after the cold wind of forward chamber flows through power cell radiator from the shutter at front door, by the thermal losses power band of power device
Become hot wind out to be aggregated into the integral air duct of rear portion, the cold wind of back side chamber enters from the transformer bottom at back door flows through inside
Coil until air outlet, some flow through transformer outer surface and the hot wind that is brought out with power device to be pooled to rear portion whole
In body air duct, hot wind is taken out of outside cabinet body by top blower and is discharged into atmosphere, power cell and transformer in the constructional device
The design in air duct is shared so that all cooling heat source modes are heat dissipation in parallel, effectively increases the utilization rate of blower.
In Circuit Fault on Secondary Transformer and power cell coupling part, existing situation is that cable ends all use screw to connect, dimension
It is larger to protect maintenance amount, Circuit Fault on Secondary Transformer leading-out terminal and cable one end use welding form, the cable other end and function in the present invention
Rate unit inlet wire copper bar is connected using screw, and Maintenance and Repair amount reduces half, and reliability doubles.
In terms of equipment integral hoisting, the prior art is three cabinet bodies, needs to lift respectively three times, could complete packaging hair
Fortune, equipment to scene it is also the same need to lift respectively could complete three times, after equipment is in place, it is also necessary to carry out more cabinets assembly and
Across cabinet cabling, will need whether quadratic search route connects correctly after the completion；It is only necessary to lift once pack by the present invention
Shipping, interconnector have been completed in factory, to scene without being again coupled to Internal cable, improve work in factory and live
Efficiency and reliability.
Detailed description of the invention
Fig. 1 is front view of the invention.
Fig. 2 is dorsal view of the invention.
Fig. 3 is that the present invention removes front door figure.
Fig. 4 is that the present invention removes Rear Door figure.
Fig. 5 is internal structure chart of the present invention.
Fig. 6 is cross sectional top view of the present invention.
Below in conjunction with attached drawing further to a kind of structure for tandem type high-voltage high-power converter of the present invention
Device is described.When assembling this equipment, assembly technology is particularly important, need to by bottom base of cabinet body it is in place after, phase shift is become first
Depressor and control cabinet, which are individually lifted on pedestal, to be installed, and then by cabinet body frame, from top, phase-shifting transformer and control are inserted in lifting
Frame is being connect by cabinet with screw with pedestal, and successively lower portion from front to back, overlap insulation bar from top to bottom, wind every
Then power cell is pushed on insulation bar by plate, finally install blower in cabinet top.
As shown in Figure 1, converter cell equipment of the invention is placed in cabinet body, the draft type of equipment is horizontal logical
Wind, cold wind enter in cabinet from the shutter on front door, pass through the radiator blade of multiple power cells parallel, after being pooled to cabinet body
In portion air duct, extracted out by top blower.
As shown in Fig. 2, phase-shifting transformer enters inside and out transformer coil from the shutter on back door, external coil
Wind converge with the wind by radiator after hot wind is extracted out by blower at the top of cabinet body, the wind of Inside coil is directly from coil top
Extraction.The cabinet body rear portion left side is control room, and control room is separate chamber, is separated with the air duct of phase-shifting transformer and power cell,
The man-machine interface window of equipment is arranged on control room door face board, is the air inlet of transformer room, air inlet on the right of cabinet body rear portion
Area is much larger than inside transformer coil incoming air area.
As shown in figure 3, there are N layers of insulation bar in front in cabinet, L power cell of every layer of laid out in parallel, each power cell it
Between with series connection copper bar connection, separated with rear portion using wind partition, the radiator blade only on unit can lead to rear portion air duct,
Outside exhausting when fan operation, so that air duct forms negative pressure in cabinet body, by the heat of electronic device by the cooling fin table of radiator
Face cold wind is taken out of, achievees the effect that air-cooled.(N be with L natural number)
As shown in figure 4, rear portion is divided into left and right chamber in cabinet, the left side is control cabinet chamber, and the right is phase-shifting transformer chamber,
And wind partition is set around phase-shifting transformer, so that stroke narrow slit effect improves between wind partition and transformer external coil
Transformer bottom coil air intake vent wind speed and coil outer surface wind speed, it is more efficient to take transformer heat out of.
As shown in figure 5, blinds window position is air inlet before and after cabinet body, before the cold wind of entrance flow through each power cell
Radiator is pooled to rear portion, mixes close to the wind of the external coil of power cell side to top outlet air with phase-shifting transformer, after
The cold wind of face entrance flows through phase-shifting transformer Inside coil and the external coil far from power cell side to top outlet air, front and back
Form parallel ventilation branch.
As shown in fig. 6, this figure is equipment overall top view, power cell, control cabinet, phase-shifting transformer is respectively distributed to bottom
On seat, respectively there are 5 lifting points in front and back on pedestal, and according to the transformer for placing different weight, adjustable lifting point is to guarantee weight
The heart steadily lifts by crane.
Description for the understanding of specific embodiment be only be to help to understand the present invention, rather than be used to limit this hair
Bright.Those skilled in the art can use thought of the invention and carry out some modifications and changes, as long as its technological means has
It is detached from thought and main points of the invention, still within protection scope of the present invention.
Claims (6)
1. a kind of assembly method of tandem type high-voltage high-power converter constructional device, it is characterised in that: described device includes function
Rate unit, phase-shifting transformer, blower and control cabinet, the power cell, phase-shifting transformer and control cabinet integrated installation are at one
In cabinet body, the assembly method of described device includes:
A) cabinet body frame and bottom base of cabinet body are disassembled, bottom base of cabinet body is in place；
B) successively control cabinet and phase-shifting transformer are hung on bottom base of cabinet body, and are screwed on pedestal；
C) cabinet body frame is inserted in from the top down to control cabinet and phase-shifting transformer, and connect with bottom base of cabinet body with screw；
D) inside cabinet body frame, from front to back using insulation bar, it is overlapped to form skeleton from top to bottom, and with wind partition cabinet body
Forward and backward chamber separates；
E) the secondary side cable on phase-shifting transformer and is pushed in turn on skeleton through cabinet body front chamber from the through-hole of insulation bar
Designated position power cell is connected；
F cooling fan finally) is installed in cabinet top, shutter and control cabinet man-machine interface are installed in forward and backward cabinet door；
The rear chamber includes transformer chamber and control cabinet chamber, is reserved in the transformer chamber shared with power cell
Integral air duct, integral air duct is led to by radiator, wind partition aperture in the air duct of power cell；
The lateral partitions around phase-shifting transformer external coil are provided at the 2/3 of phase-shifting transformer external coil height, it is described
Slit is formed between lateral partitions and phase-shifting transformer external coil；
The lateral partitions around phase-shifting transformer external coil are provided at the 1/3 of phase-shifting transformer external coil height, it is described
Slit is formed between lateral partitions and phase-shifting transformer external coil.
2. a kind of assembly method of tandem type high-voltage high-power converter constructional device according to claim 1, feature
Be: the control cabinet chamber is separate chamber, and is isolated with integral air duct.
3. a kind of assembly method of tandem type high-voltage high-power converter constructional device according to claim 1, feature
Be: by cable connection, the secondary side of described cable one end and phase-shifting transformer goes out for the power cell and phase-shifting transformer
The inlet wire copper bar of line end welding, the other end and power cell is connected using screw；Integral air duct is placed in after the cable connection
In.
4. a kind of assembly method of tandem type high-voltage high-power converter constructional device according to claim 1, feature
Be: the bottom base of cabinet body is disposed with several scalable lifting points.
5. a kind of assembly method of tandem type high-voltage high-power converter constructional device according to claim 1, feature
Be: the width of the slit is 2cm to 3cm.
6. a kind of assembly method of tandem type high-voltage high-power converter constructional device according to claim 1, feature
It is: is all provided with air inlet before and after the cabinet body, and shutter is set in air inlet position, the shutter is provided with strainer,
The strainer contains flame retardant polyurethane sponge；Front door blinds window ara, which is much larger than on the corresponding front door of each power cell, to be arranged
Air-admitting surface；Back door air inlet is positioned close on the Rear Door of transformer cavity bottom, and blinds window ara is much larger than shifting
Phase transformer Inside coil air-admitting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103338.3A CN106612066B (en) | 2017-02-24 | 2017-02-24 | A kind of assembly method of tandem type high-voltage high-power converter constructional device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103338.3A CN106612066B (en) | 2017-02-24 | 2017-02-24 | A kind of assembly method of tandem type high-voltage high-power converter constructional device |
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| Publication Number | Publication Date |
|---|---|
| CN106612066A CN106612066A (en) | 2017-05-03 |
| CN106612066B true CN106612066B (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710103338.3A Active CN106612066B (en) | 2017-02-24 | 2017-02-24 | A kind of assembly method of tandem type high-voltage high-power converter constructional device |
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| CN113098297B (en) * | 2021-05-24 | 2022-08-19 | 株洲中车时代电气股份有限公司 | Rail transit train and converter cabinet of three-level energy feedback system thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202121490U (en) * | 2011-06-30 | 2012-01-18 | 北京利德华福电气技术有限公司 | Small size high voltage frequency converter |
| CN104961032A (en) * | 2015-07-06 | 2015-10-07 | 苏州新达电扶梯部件有限公司 | Indoor type elevator control cabinet |
| CN204884780U (en) * | 2015-08-17 | 2015-12-16 | 北变变压器（上海）有限公司 | New dry -type for variable frequency speed governing(VFSG) cooling system for rectifier transformer |
-
2017
- 2017-02-24 CN CN201710103338.3A patent/CN106612066B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202121490U (en) * | 2011-06-30 | 2012-01-18 | 北京利德华福电气技术有限公司 | Small size high voltage frequency converter |
| CN104961032A (en) * | 2015-07-06 | 2015-10-07 | 苏州新达电扶梯部件有限公司 | Indoor type elevator control cabinet |
| CN204884780U (en) * | 2015-08-17 | 2015-12-16 | 北变变压器（上海）有限公司 | New dry -type for variable frequency speed governing(VFSG) cooling system for rectifier transformer |
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| CN106612066A (en) | 2017-05-03 |
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