CN208508769U - A kind of big-power transducer - Google Patents
A kind of big-power transducer Download PDFInfo
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- CN208508769U CN208508769U CN201820663809.6U CN201820663809U CN208508769U CN 208508769 U CN208508769 U CN 208508769U CN 201820663809 U CN201820663809 U CN 201820663809U CN 208508769 U CN208508769 U CN 208508769U
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- module
- inverter
- copper bar
- rectifier
- electrolytic capacitor
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Abstract
本实用新型公开了一种大功率变频器，包括集成于机箱内部的整流模块、电解电容、逆变模块，直流接触器、充电电阻、整流吸收电容、输入铜排、均压电阻、输出铜排，电流传感器、逆变吸收电容和风扇，所述的整流模块和逆变模块分设在电解电容的两侧呈低电感结构布设，所述的整流模块、电解电容和逆变模块通过铜排相互连接，所述的整流模块和逆变模块的下方分体设置有整流散热器和逆变散热器。该大功率变频器，整流模块和逆变模块分离在不同的散热器上，防止了热量互相传导、对流，极大降低了整流模块和逆变模块工作温度；整流模块在左边，中间电解电容，右边逆变模块用铜排连接实现了回路的底电感布局；铜排采用整块平铺的方式，安装维修方便快捷。
The utility model discloses a high-power frequency converter, which comprises a rectifier module, an electrolytic capacitor, an inverter module, a DC contactor, a charging resistor, a rectifier absorption capacitor, an input copper bar, a voltage equalizing resistor and an output copper bar integrated in a casing. , current sensor, inverter absorption capacitor and fan, the rectifier module and inverter module are arranged on both sides of the electrolytic capacitor in a low-inductance structure, and the rectifier module, electrolytic capacitor and inverter module are connected to each other through copper bars A rectifier radiator and an inverter radiator are separately arranged below the rectifier module and the inverter module. In this high-power inverter, the rectifier module and the inverter module are separated on different radiators, preventing mutual conduction and convection of heat, and greatly reducing the working temperature of the rectifier module and the inverter module; the rectifier module is on the left, the middle electrolytic capacitor, The inverter module on the right is connected with copper bars to realize the bottom inductance layout of the loop;
Description
Technical field
The utility model relates to converter technologies, more particularly, to a kind of big-power transducer.
Background technique
In present frequency converter failure, since rectification module and inverter module are placed on a radiator, cause to rectify
Module or inverter module temperature are chronically at hot operation state, the serious service life for reducing electronic device, in addition PN copper bar
It is laid out unreasonable, keeps failure rate high.
Chinese patent literature (day for announcing: on March 25th, 2015, notification number: CN 204231205U) discloses a kind of change
Frequency device major loop structure, including being integrated in the rectifier of a cabinet, electrolytic capacitor, charging resistor, inverter, stack bus bar, straight
Contactor and power driving circuit are flowed, the input terminal of main circuit structure of frequency converter is set to the one side of cabinet, and frequency converter master returns
The outlet terminal of line structure is set to the another side of the cabinet relative to the one side.Relative to traditional end of incoming cables and leading-out terminal
It is all located at the main circuit of frequency converter design method of the one side of cabinet, the inlet-outlet line mode gone out by one side into, opposite side, direct current
It connects and connects between DC bus P/N together with electrolytic capacitor again after contactor and charging resistor are in parallel, DC bus is using folded
Layer busbar connection type, shorten the cable run distance of DC bus, make DC bus to inverter each IGBT module it
Between distance it is symmetrical, reduce the stray inductance in circuit, reduce frequency converter volume, simplify the connection type of internal components,
Improve reliability and integrated level.
Summary of the invention
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide big-power transducer
Major loop rational deployment and heat dissipation, the big-power transducer that failure rate is effectively reduced.
The utility model realizes that technical solution used by its technical purpose is: a kind of big-power transducer, including integrated
In the rectification module, electrolytic capacitor, inverter module of cabinet inside, D.C. contactor, charging resistor, rectisorption capacitor, input
Copper bar, equalizing resistance, output copper bar, current sensor, inversion Absorption Capacitance and fan, the rectification module and inverter module
Set up separately and laid in the two sides of electrolytic capacitor in low induction structure, the rectification module, electrolytic capacitor and inverter module pass through copper
Row is connected with each other, and the lower section split settings of the rectification module and inverter module have rectification radiator and inversion radiator.It should
Big-power transducer, rectification module realize the low of circuit in the left side, intermediate electrolytic capacitor, the connection of the right inverter module copper bar
Inductor layout；It is provided with split type rectification radiator and inversion radiator below rectification module and inverter module, makes to rectify
Module and inverter module set up separately on different radiators, it is therefore prevented that heat conducts mutually, convection current, greatly reduces rectification module
With inverter module operating temperature.Using two radiators, radiator cost is reduced, the effective heat dissipation performance that increases reduces rectification mould
The failure rate of block and inverter module extends frequency converter service life.
Preferably, the copper bar on the electrolytic capacitor and inverter module is integrated flush system structure setting.Electrolysis electricity
Hold with copper bar on inverter module using integrated monolith tile arrangement, the effective electric current that improves flows.
Preferably, the copper bar being arranged on rectification module, inverter module and electrolytic capacitor includes N copper bar and P
Copper bar.
Preferably, being provided with isolated insulation plate between the P copper bar and N copper bar.It is used among P copper bar and N copper bar
Insulation board separates and the position optimization of each device, and main circuit structure of frequency converter is made to be greatly reduced installation space and frequency converter
Volume simplifies installation procedure.
Preferably, the D.C. contactor is arranged on the P copper bar that rectification module is connected with electrolytic capacitor.
Preferably, the rectisorption capacitor is arranged on the copper bar of rectification module；The inversion Absorption Capacitance
It is arranged on the copper bar of inverter module；The equalizing resistance is arranged on the copper bar of electrolytic capacitor.
Preferably, the rectification radiator is comprehensive convection heat dissipation structure.
Preferably, the inversion radiator is forced convertion radiator structure.
Preferably, charging resistor is arranged on the left of rectification module and is fixed on cabinet；The fan is arranged inverse
Become on the right side of module.
Preferably, input copper bar is arranged on rectification module；The output copper bar is arranged on inverter module；It is described
Current sensor setting output copper bar on.
The beneficial effects of the utility model are: the big-power transducer, rectification module and inverter module separation are different
On radiator, it is therefore prevented that heat conducts mutually, convection current, greatly reduces rectification module and inverter module operating temperature；Rectify mould
Block connects the bottom inductor layout for realizing circuit in the left side, intermediate electrolytic capacitor, the right inverter module copper bar；Charging resistor is solid
Operating temperature is effectively reduced due to comparing on cabinet with the mode of traditional fixation on a heat sink.PN copper bar uses monolith
The mode of tiling simplifies the disassembly and assembly time of installation steps and maintenance.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model big-power transducer；
Fig. 2 is a kind of top view of the utility model big-power transducer；
In figure: 1, rectification module, 2, electrolytic capacitor, 3, inverter module, 4, D.C. contactor, 5, charging resistor, 6, rectification
Absorption Capacitance, 7, input copper bar, 8, equalizing resistance, 9, output copper bar, 10, current sensor, 11, inversion Absorption Capacitance, 12,
Fan, 13, copper bar, 14, rectification radiator, 15, inversion radiator, 16, N copper bar, 17, P copper bar, 18, insulation board.
Specific embodiment
In order to more clearly state the utility model, the utility model is further described with reference to the accompanying drawing.It is aobvious
So, the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.It is practical new based on this
Embodiment in type, those skilled in the art's every other embodiment obtained without creative efforts,
It fall within the protection scope of the utility model.
Embodiment 1:
In Fig. 1, embodiment shown in Fig. 2, a kind of big-power transducer, the rectification module including being integrated in cabinet inside
1, electrolytic capacitor 2, inverter module 3, D.C. contactor 4, charging resistor 5, rectisorption capacitor 6, input copper bar 7, equalizing resistance
8, copper bar 9, current sensor 10, inversion Absorption Capacitance 11 and fan 12, rectification module 1 and inverter module 3 is exported to set up separately in electricity
The two sides for solving capacitor 2 are laid in low induction structure, and rectification module 1, electrolytic capacitor 2 and inverter module 3 are mutually interconnected by copper bar 13
It connects, the lower section split settings of rectification module 1 and inverter module 3 have rectification radiator 14 and inversion radiator 15.
Copper bar on electrolytic capacitor 2 and inverter module 3 is integrated flush system structure setting.
The copper bar being arranged on rectification module 1, inverter module 3 and electrolytic capacitor 2 includes N copper bar 16 and P copper bar 17.
Isolated insulation plate 18 is provided between P copper bar 17 and N copper bar 16.
D.C. contactor 4 is arranged on the P copper bar 17 that rectification module 1 and electrolytic capacitor 2 connect.
Rectisorption capacitor 6 is arranged on the copper bar of rectification module 1；Inverter module 3 is arranged in inversion Absorption Capacitance 11
On copper bar；Equalizing resistance 8 is arranged on the copper bar of electrolytic capacitor 2.
Rectifying radiator 14 is comprehensive convection heat dissipation structure.
Inversion radiator 15 is forced convertion radiator structure.
The setting of charging resistor 5 is in 1 left side of rectification module and is fixed on cabinet；The setting of fan 12 is right in inverter module 3
Side.
Copper bar 7 is inputted to be arranged on rectification module 1；Copper bar 9 is exported to be arranged on inverter module 3；Current sensor 10 is set
It sets on output copper bar 9.
The big-power transducer, rectification module 1 are fixed on rectification radiator 14；Inverter module 3 is fixed on inversion heat dissipation
On device 15；The setting of electrolytic capacitor 2 is among rectification radiator 14 and inversion radiator 15；Rectification module 1, inverter module 3, electrolysis
Copper bar on capacitor 2 includes N copper bar 16 and P copper bar 17；D.C. contactor 4 is arranged between rectification module 1 and electrolytic capacitor 2
On P copper bar；Insulation board 18 is arranged between the P copper bar on electrolytic capacitor 2 and N copper bar；The setting of rectisorption capacitor 6 is in rectification mould
Above the copper bar of block 1；Inversion Absorption Capacitance 11 is arranged in above the copper bar of inverter module 3；Equalizing resistance 8 is arranged in electrolytic capacitor
On 2 copper bar；Charging resistor 5 is in 1 left side of rectification module and to be arranged on cabinet；The setting of fan 12 is right in inverter module 3
Side；Copper bar 7 is inputted to be arranged on rectification module 1；Copper bar 9 is exported to be arranged on inverter module 3；Current sensor 10 is arranged defeated
Out on copper bar 9.
Since 1 calorific value of rectification module is far below inverter module 3, so rectification radiator 14 uses comprehensive heat loss through convection,
Inversion radiator 15 is radiated using forced convertion.Insulation board materials'use FR4 insulation board.
Charging resistor, fan, electrolytic capacitor, D.C. contactor, rectification radiator, inversion radiator are fixed in the present embodiment
In cabinet.
Rectification module and inverter module separation are on different radiators, it is therefore prevented that heat conduct mutually, convection current, greatly drop
Low rectification module and inverter module operating temperature；Rectification module is in the left side, intermediate electrolytic capacitor, the right inverter module copper bar
Connection realizes the bottom inductor layout in circuit；Charging resistor is fixed on cabinet and traditional fixation mode on a heat sink
Compared to effectively reducing operating temperature.PN copper bar is by the way of monolith tiling, when simplifying the dismounting of installation steps and maintenance
Between.
PN copper bar is tiled using monolith on electrolytic capacitor and inverter module, and the effective electric current that improves flows.Among PN copper bar
It is separated using insulation board and the position optimization of each device, main circuit structure of frequency converter is made to be greatly reduced installation space and frequency conversion
The volume of device simplifies installation procedure.
Using two radiators, radiator cost is reduced, the effective heat dissipation performance that increases reduces rectification module and inversion mould
The failure rate of block extends frequency converter service life.
Rectification module is realized and is led back by copper bar or PCB connection in the left side, intermediate electrolytic capacitor, the right inverter module
The layout structure of the low inductance in road.
Disclosed above is only several specific embodiments of the utility model, but invention is not limited to this, Ren Heben
What the technical staff in field can think variation should all fall into the protection scope of the utility model.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820663809.6U CN208508769U (en) | 2018-05-06 | 2018-05-06 | A kind of big-power transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820663809.6U CN208508769U (en) | 2018-05-06 | 2018-05-06 | A kind of big-power transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208508769U true CN208508769U (en) | 2019-02-15 |
Family
ID=65298323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820663809.6U Expired - Fee Related CN208508769U (en) | 2018-05-06 | 2018-05-06 | A kind of big-power transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208508769U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061633A (en) * | 2019-05-21 | 2019-07-26 | 广州标程电气有限公司 | A kind of new type inverter |
| CN112994413A (en) * | 2021-03-24 | 2021-06-18 | 深圳市英威腾电气股份有限公司 | Natural heat dissipation frequency converter |
| CN115242105A (en) * | 2021-04-22 | 2022-10-25 | 上海汽车电驱动有限公司 | High-integration low-inductance low-voltage inverter and mounting method thereof |
-
2018
- 2018-05-06 CN CN201820663809.6U patent/CN208508769U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061633A (en) * | 2019-05-21 | 2019-07-26 | 广州标程电气有限公司 | A kind of new type inverter |
| CN112994413A (en) * | 2021-03-24 | 2021-06-18 | 深圳市英威腾电气股份有限公司 | Natural heat dissipation frequency converter |
| CN115242105A (en) * | 2021-04-22 | 2022-10-25 | 上海汽车电驱动有限公司 | High-integration low-inductance low-voltage inverter and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 |