CN206323298U - A kind of low voltage frequency converter - Google Patents

A kind of low voltage frequency converter Download PDF

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Publication number
CN206323298U
CN206323298U CN201621465935.8U CN201621465935U CN206323298U CN 206323298 U CN206323298 U CN 206323298U CN 201621465935 U CN201621465935 U CN 201621465935U CN 206323298 U CN206323298 U CN 206323298U
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CN
China
Prior art keywords
housing
base plate
frequency converter
low voltage
radiator
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Active
Application number
CN201621465935.8U
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Chinese (zh)
Inventor
尉白鸽
黄林波
王会锦
王江云
干永革
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Cisdi Electrical Technology Co Ltd
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Cisdi Electrical Technology Co Ltd
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Publication date
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Priority to CN201621465935.8U priority Critical patent/CN206323298U/en
Application granted granted Critical
Publication of CN206323298U publication Critical patent/CN206323298U/en
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Abstract

The utility model discloses a kind of low voltage frequency converter, belong to converter technology field, base plate including housing and on housing, the housing is provided with inlet interface terminal away from face with the base plate, exchanges outlet interface terminal, direct current outlet interface terminal, inversion module, equalizing resistance, composite laminate busbar, control power supply, current sensor, inlet-outlet line busbar and control board, and the corresponding surface of housing and base plate is provided with radiator, capacitance component and blower fan;The radiator is front in the one side away from base plate, is provided with described inversion module, and it is the back side in the one side close to base plate, is provided with rectification module;Radiated by blower fan along the air channel quenching that radiator and capacitance component are constituted.The utility model is by using double baseplate heat sinks, and the air channel quenching that the blower fan being arranged in parallel is constituted along radiator and capacitance component radiates, and efficiently solves low voltage frequency converter volume greatly, the low key issue of radiating efficiency.

Description

A kind of low voltage frequency converter
Technical field
The utility model is related to converter technology field, more particularly to a kind of low voltage frequency converter.
Background technology
Alternating current mainly using orthogonal way is handed over, i.e., is input to by current existing low voltage frequency converter, circuit topological structure Rectification module, is input to inversion module by intermediate dc filtering after rectification, DC inverter is exported for exchange, for controlling Motor is rotated.When frequency converter works, rectification module is main heat radiation elements with inversion module.In order to control rectification module with The operating temperature of inversion module, requires higher to its heat dispersion, and it is distinguished using two radiators in practical application majority Radiating, causes frequency converter volume excessive, influences overall appearance.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of low voltage frequency converter, its Compact conformation, is easy to assembling to install, reduces cost etc..
The purpose of this utility model is achieved through the following technical solutions, a kind of low voltage frequency converter, including housing and Base plate on housing, the housing is provided with inlet interface terminal away from face with the base plate, exchanges outlet interface end Son, direct current outlet interface terminal, inversion module, equalizing resistance, composite laminate busbar, control power supply, current sensor, inlet-outlet line Busbar and control board, and the corresponding surface of housing and base plate is provided with radiator, capacitance component and blower fan;The radiator exists One side away from base plate is front, is provided with described inversion module, and it is the back side in the one side close to base plate, is provided with rectification Module;Radiated by blower fan along the air channel quenching that radiator and capacitance component are constituted.
Further, the inlet interface terminal, exchange outlet interface terminal, direct current outlet interface terminal are mounted side by side in institute State the lower end of housing.
Further, the housing, base plate are mutually fastened and are spirally connected or quadrangle box body of the grafting formation with cavity.
Further, the blower fan is installed in parallel in the lower end of housing using two of same size, radiator is carried out cold But.
Further, the composite laminate busbar is stacked and formed using positive bus-bar, negative busbar, neutral bus three layers of parallel, phase Separated between two layers adjacent of bus by insulating materials.
Further, the control power supply is located at the left side or right side of the control board.
Further, the both sides of the inversion module are provided with described equalizing resistance.
Further, the radiator is biradical plate blade inserting Aluminium Radiator.
By adopting the above-described technical solution, the utility model has following Advantageous Effects:It is of the present utility model Low voltage frequency converter, can efficiently control the operating temperature of rectification module and inversion module, and it is excessive to solve frequency converter volume, The problems such as being conveniently replaceable parts.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing to this practicality It is new to be described in further detail, wherein:
Fig. 1 is the utility model front view;
Fig. 2 is the utility model left view;
Fig. 3 is the utility model rearview;
Reference:1- inlet interface terminals, 2- exchange outlet interface terminals, 3- direct current outlet interface terminals, 4- radiatings Device, 5- inversion modules, 6- equalizing resistances, 7- composite laminate busbars, 8- control power supplys, 9- current sensors, 10- inlet-outlet lines are female Row, 11- housings, 12- control boards, 13- capacitance components, 14- rectification modules, 15- blower fans.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with this accompanying drawing and Embodiment, the utility model is described in further detail.Specific embodiment described herein is only to explain this reality With new, it is not used to limit the utility model.
It is a kind of low voltage frequency converter disclosed in the present embodiment referring to Fig. 1-3, by inlet interface terminal 1, exchange outlet interface Terminal 2, direct current outlet interface terminal 3, radiator 4, inversion module 5, equalizing resistance 6, composite laminate busbar 7, control power supply 8, Current sensor 9, inlet-outlet line busbar 10, housing 11, control board 12, capacitance component 13, rectification module 14, blower fan 15 and bottom Plate is constituted, wherein, housing 1, base plate are mutually fastened and are spirally connected or quadrangle box body of the grafting formation with cavity;Housing 1 and bottom Plate away from face be provided with inlet interface terminal 1, exchange outlet interface terminal 2, direct current outlet interface terminal 3, inversion module 5, Equalizing resistance 6, composite laminate busbar 7, control power supply 8, current sensor 9, inlet-outlet line busbar 10 and control board 12, and enter Line interface terminal 1, exchange outlet interface terminal 2, direct current outlet interface terminal 3 are mounted side by side on the lower end of housing 11;Housing 1 with The corresponding surface of base plate is provided with radiator 4, capacitance component 13 and blower fan 15;The radiator 4 is front in the one side away from base plate, Inversion module 5 is installed, it is the back side in the one side close to base plate, is provided with rectification module 14.
By such scheme, the utility model enter under using under the wire laying mode that goes out, and by blower fan along radiator and electric capacity The air channel blowing that component is constituted carries out cooling radiating, can efficiently control the operating temperature of rectification module and inversion module, and Solve frequency converter volume excessive, the problems such as being conveniently replaceable parts.
During work, inlet interface terminal 1 and rectification module 14 are connected by flexible cable, by flexible cable by rectification after rectification Module 14 is connected with composite laminate busbar 7, and composite laminate busbar 7 is connected by bolt with the one end of inversion module 5, inlet-outlet line busbar 10 are connected by bolt with the other end of inversion module 5, and its outgoing line busbar A, C phase is respectively mounted current sensor 9, to output inversion Alternating current afterwards is monitored in real time.
In the present embodiment, the radiator 4 uses biradical plate blade inserting Aluminium Radiator, can meet heat dispersion requirement, And it is with low cost.
In the present embodiment, the inversion module 5 is arranged at radiator front, and rectification module 14 is arranged at the radiator back side, Both are brought into close contact with the surface of radiator 4.
In the present embodiment, the control power supply 8 is installed on the left side of control board 12, and 24 volts of control power supplys are provided for it, And facilitate wiring.The both sides of the inversion module 5 are provided with equalizing resistance 6.
In the present embodiment, the back wall aperture of housing 11 is connected through a screw thread base plate, easy disassembly rectification module 14.Shell Body 11 is connected with radiator 4 and capacitance component 13 by riveting method, and this mounting means can meet intensity requirement, can guarantee that again Housing flat appearance.
In the present embodiment, the composite laminate busbar 7 using positive bus-bar, negative busbar, neutral bus three layers of parallel it is stacked and Into being separated between two layers adjacent of bus by insulating materials.
In the present embodiment, the blower fan 15 is centrifugal fan, and radiator 4 is entered using two same model parallel ways Row cooling radiating.To strengthen the stability of assembling, it can also be affixed with radiator 4.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, it is clear that this area Technical staff can to the utility model carry out it is various change and modification without departing from spirit and scope of the present utility model.This Sample, if these modifications of the present utility model and modification belong to the utility model claim and its equivalent technologies scope it Interior, then the utility model is also intended to comprising including these changes and modification.

Claims (8)

1. a kind of low voltage frequency converter, including housing (1) and the base plate on housing, it is characterised in that:The housing with it is described Base plate inlet interface terminal (1) is installed away from face, it is exchange outlet interface terminal (2), direct current outlet interface terminal (3), inverse Become module (5), equalizing resistance (6), composite laminate busbar (7), control power supply (8), current sensor (9), inlet-outlet line busbar And control board (12), and the corresponding surface of housing and base plate is provided with radiator (4), capacitance component (13) and blower fan (10) (15);The radiator is front in the one side away from base plate, is provided with described inversion module, and it is in the one side close to base plate For the back side, rectification module (14) is installed;Radiated by blower fan along the air channel quenching that radiator and capacitance component are constituted.
2. low voltage frequency converter according to claim 1, it is characterised in that:The inlet interface terminal, exchange outlet interface Terminal, direct current outlet interface terminal are mounted side by side in the lower end of the housing.
3. low voltage frequency converter according to claim 1, it is characterised in that:The housing, base plate mutually fasten and be spirally connected or Grafting forms the quadrangle box body with cavity.
4. low voltage frequency converter according to claim 1, it is characterised in that:The blower fan uses two parallel connections of same size Installed in the lower end of housing, radiator is cooled down.
5. low voltage frequency converter according to claim 1, it is characterised in that:The composite laminate busbar uses positive bus-bar, born Bus, neutral bus three layers of parallel are stacked to be formed, and is separated between two layers adjacent of bus by insulating materials.
6. low voltage frequency converter according to claim 1, it is characterised in that:The control power supply is located at the control board Left side or right side.
7. low voltage frequency converter according to claim 1, it is characterised in that:The both sides of the inversion module are provided with described Equalizing resistance.
8. low voltage frequency converter according to claim 1, it is characterised in that:The radiator dissipates for biradical plate blade inserting aluminum Hot device.
CN201621465935.8U 2016-12-29 2016-12-29 A kind of low voltage frequency converter Active CN206323298U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621465935.8U CN206323298U (en) 2016-12-29 2016-12-29 A kind of low voltage frequency converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621465935.8U CN206323298U (en) 2016-12-29 2016-12-29 A kind of low voltage frequency converter

Publications (1)

Publication Number Publication Date
CN206323298U true CN206323298U (en) 2017-07-11

Family

ID=59260764

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621465935.8U Active CN206323298U (en) 2016-12-29 2016-12-29 A kind of low voltage frequency converter

Country Status (1)

Country Link
CN (1) CN206323298U (en)

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