CN205960969U

CN205960969U - Inverter

Info

Publication number: CN205960969U
Application number: CN201620897424.7U
Authority: CN
Inventors: 王鑫; 王振宇; 李资权
Original assignee: Shenzhen Yiyuan Technology Co ltd
Current assignee: Shenzhen Yiyuan Technology Co ltd
Priority date: 2016-08-17
Filing date: 2016-08-17
Publication date: 2017-02-15
Anticipated expiration: 2026-08-17

Abstract

The utility model discloses an inverter aims at solving the inside circulation of air speed of inverter and leads to the overheated problem of inverter slowly, and its technical scheme main points are: including shell and lid, the shell includes preceding shell, base and backshell has the ventilation hole on preceding shell and the backshell, and ann has circuit arrangement, fan and transformer shell on the base, has the wind -guiding mouth on the transformer shell, and the upper end opening, and horizontal transformer is equipped with to inside, has the supporting seat of installation transformer shell on the base, makes and forms the ventiduct between transformer shell and the base. The utility model discloses a characterized in that fan rotates the flow of having accelerated the inside air of inverter, transformer shell upper end opening, heat outdiffusion that the transformer of being convenient for produced, ventiduct between transformer shell and the base has increased through the air of fan and the area of contact of transformer bottom portion, does benefit to the heat dissipation of transformer bottom portion, the guide of wind -guiding mouth is passed through along the transformer through the air of fan fast, make the inverter heat dissipation good through above integrated design.

Description

A kind of inverter

Technical field

The utility model is related to a kind of electric current reforming unit, more specifically, it relates to a kind of inverter.

Background technology

Developing rapidly with electronic information technologies, people, already in the epoch of one " movement ", mobile office, move Communication, mobile leisure and mobile entertainment.In the state of movement, people not only need the direct current that battery or storage battery provide, Need alternating current in surroundings, and inverter is as a kind of device that direct current energy can be transformed into alternating current, extensively General be applied to TV, air-conditioning, in the electrical equipment miscellaneous such as refrigerator, become an indispensable part in life.

But general inverter can produce substantial amounts of heat, in the course of the work if heat disperses not in time, it will shadow Sound normally effectively works to inverter, also influences whether the service life of inverter.But the big portion circulated on the market at present Divide inverter not good to the heat dispersion of circuit arrangement, have impact on inverter and normally effectively work, also have impact on inverter Service life.

Now retrieve the Chinese patent document of Publication No. CN203933415U, a kind of its entitled outdoor inverter The fixed structure of fan component.The feature of this patent is that fan component is arranged on box house, and top is radiator, and lower section is Inductance, the forefan changing is contained in the present situation on housing, serves certain purpose accelerating radiating, but is intended to reach good The effect of good radiating also needs to the cooperation of other assemblies, forms the mesh that the good ventilating duct circulatory system can be only achieved good heat radiating 's.

Utility model content

In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of inverter, has good The ventilating duct circulatory system, radiating effect is good.

Above-mentioned technical purpose of the present utility model technical scheme is that：Including shell and lid, It is characterized in that, shell includes fore shell, base and back cover, and air vent is distributed with fore shell and back cover, and base is provided with circuit Device, transformer shell；Inverter also includes the fan being fixed between circuit arrangement and transformer shell；If transformer shell is provided with Dry air guide hole, and upper end open, are provided with horizontal type transformer inside transformer shell；Base is provided with installs propping up of transformer shell Support seat, is formed with ventilating duct between transformer shell, base and support base.

By adopting technique scheme, fan is located between circuit arrangement and transformer shell, and cool ambient air enters inverse Become device, reach circuit arrangement and partly can be quickly discharged into transformer place space with the air stream being formed that rotates of fan afterwards, Accelerate the flowing of inverter internal air；Transformer shell upper end open, the heat diffusion being easy to transformer generation is to transformer Outside shell, and take out of with the circulation of inverter internal air；The ventilating duct being formed between transformer shell, base and support base, increases By the contact area of the air of fan and transformer shell bottom, beneficial to the radiating of transformer shell bottom；Air guide hole guiding is logical The air of passing through fan along transformer quickly through；Inverter internal adopts horizontal type transformer, and design height is basic and circuit fills Put and partly maintain an equal level, with respect to adopting vertical transformer, not only reduce the height of inverter, also reduce the air by fan The resistance by transformer for the stream, reduces hot air reflow, accelerates the flowing of inverter internal air, beneficial to radiating；Fan, change The comprehensive Design of depressor shell and air vent accelerates the flowing of inverter internal air, and then also accelerates inverter internal air With the exchange velocity of outside air, reach the purpose of inverter good heat radiating.

The utility model is further arranged to：The air guide hole of transformer shell upper end is distributed in along base length direction two Side.

By adopting technique scheme, air guide hole reduces the resistance entering transformer shell by the air stream of fan, Guiding contacts transformer faster by the air stream of fan, carries out heat exchange, also can make through heat exchange hot-air faster Discharge transformer shell, discharge back cover air vent, accelerate radiating rate.

The utility model is further arranged to：The air guide hole of transformer shell lower end is distributed in along base length direction two Side.

, increased so that the bottom of horizontal type transformer can be entered by fan air by using technique scheme Air outside transformer shell and the contact area of horizontal type transformer, accelerate radiating rate.

The utility model is further arranged to：The air guide hole being distributed in transformer shell upper end both sides differs in size, and misplaces Distribution.

By adopting technique scheme, by adopting technique scheme, equal in magnitude with respect to air guide hole, relatively divide The situation of cloth, the time that air enters transformer shell is more long, makes more fully to carry out heat friendship by the air of fan and transformer Change.

The utility model is further arranged to：Support base both sides are equipped with support base opening.

By adopting technique scheme, support base opening has been more convenient the exchange of support base inner air and outer air, accelerates radiating Speed.

The utility model is further arranged to：Described circuit arrangement includes upper end circuit board, base circuit board and installation Fin between upper end circuit board and base circuit board.

By adopting technique scheme, a fin, the heat that circuit board produces are installed between two circuit boards It is thermally conducted on fin, decreases the gathering in circuit board for the heat, accelerate radiating.

The utility model is further arranged to：The support member supporting base circuit board is provided with base, therefore in base A ventilating duct is defined and base circuit board between.

By adopting technique scheme, between base and base circuit board, define a ventilating duct, base circuit board Radiated not only by fin above, also make to suck inverter internal with from extraneous below base circuit board Cold air carry out heat exchange, reach the purpose of radiating.

The utility model is further arranged to：Fin top is provided with the support member supporting upper end circuit board, therefore upper A ventilating duct is defined between terminal circuit plate and fin.

By adopting technique scheme, between upper end circuit board and fin, define a ventilating duct, guiding sucks The cold air of inverter internal passes through between upper end circuit board and fin, so that cold air is fully connect with fin and circuit board Touch, carry out heat exchange, take away a part of heat.

The utility model is further arranged to：Fore shell and back cover are covered with air vent.

By adopting technique scheme, take full advantage of fore shell and shell, so that the area distributions of air vent is maximized, increase Plus the air capacity of inlet and outlet, accelerate radiating.

In sum, the utility model has the advantages that：Based in the design to fan, transformer shell, horizontal Transformer and the co-design of air vent, provide the guidance of novelty to inverter radiator structure, improve dissipating of inverter The thermal efficiency, it is to avoid because poor heat radiation affects the problem of the normal effective work of inverter.

Brief description

Fig. 1 is the configuration schematic diagram of inverter in the present embodiment；

Fig. 2 is that in the present embodiment, transformer installs valve jacket and associated component schematic diagram；

Fig. 3 is the front view that in the present embodiment, transformer installs valve jacket and associated component；

Fig. 4 is inverter inner air and outer air circulation schematic diagram in the present embodiment；

Fig. 5 is inverter internal air circulation schematic diagram in the present embodiment.

In figure：1st, shell；11st, fore shell；12nd, base；13rd, back cover；14th, air vent；2nd, lid；31st, circuit arrangement；311、 Upper end circuit board；312nd, fin；313rd, base circuit board；32nd, fan board；321st, fixing hole；322nd, fan；33rd, transformer Shell；331st, air guide hole；332nd, horizontal type transformer；333rd, support base；3331st, support base opening.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is described in detail.

As shown in figure 1, inverter includes shell 1 and lid 2, wherein shell 1 includes fore shell 11, base 12 and back cover 13, Circuit arrangement 31, fan board 32 and transformer shell 33 are sequentially installed with base；Circle is covered with fore shell 11 and back cover 13 Air vent 14, and adjacent air vent 14 spacing be grade so that on fore shell 11 and back cover 13 air vent 14 area maximize, more Beneficial to radiating.

As Fig. 1, circuit arrangement 31 includes upper end circuit board 311, base circuit board 313 and is located at upper end circuit board 311 Fin 312 and base circuit board 313 between；The support member supporting base circuit board 313 is provided with base 12, therefore exists A ventilating duct is defined between base 12 and base circuit board 313；Fin 312 top is provided with support upper end circuit board 311 Support member, between upper end circuit board 311 and fin 312, therefore define a ventilating duct, the formation of two ventilating ducts Increased the air capacity by circuit arrangement 31 surface, referring to Fig. 5, beneficial to taking away the more heat in circuit arrangement 31 surface.

As Fig. 1, all there is fixing hole 321 fan board 32 upper end, bottom and side, and base 12 is provided with fan attachment frame 32 Fixing hole 321, lid 2 has the Plug Division of grafting fan board 32, and 322 4 summits of fan are equipped with for fixing and fan board 32 upper screwed holes.So design facilitates the dismounting of fan 322 and the cleaning in later stage and maintenance.

As Fig. 2 and Fig. 3, transformer shell 33 is provided with several air guide holes 331 perpendicular to the both sides upper end in air circulation direction, And both sides air guide hole 331 size, position are all asymmetric, lower end also is provided with several air guide holes 331.Transformer shell 33 upper end is opened Mouthful, inside is provided with horizontal type transformer 332.

As shown in figure 1, base 12 be provided with install transformer shell 33 support base 333, transformer shell 33, base 12 and It is formed with ventilating duct between support seat 333.Support base opening 3331 is offered on support base 333.

By the above scheme, inverter internal fan 322 rotates, and cool ambient air can be passed through the logical of fore shell 11 Air holes 14 rapidly sucks inverter internal, and cold air reaches the hollow space of circuit arrangement 31, takes away circuit arrangement 31 surface Heat, by fan 322, the air guide hole 331 through transformer shell 33 upper end for the air above reaches in transformer shell 33, below The ventilating duct by the air guide hole 331, support base opening 3331 and transformer shell 33 bottom of transformer shell 33 lower end for the air Reach transformer shell 33 bottom, take away coil surface generation heat, finally by near back cover 13 side air guide hole 331, Hot-air is entered in outside air by the air vent 14 of the ventilating duct of transformer shell 33 bottom and back cover 13, and reciprocation cycle reaches To the purpose of inverter cooling, air circulation figure increases coil table referring to Fig. 4, the coil being wherein exposed at transformer shell 33 outside Face and the contact area of the outer air of transformer shell 33, are more beneficial for radiating.

The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to Above-described embodiment, all technical schemes belonging under the utility model thinking belong to protection domain of the present utility model.Should refer to Go out, for those skilled in the art, some improvement under the premise of without departing from the utility model principle and Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims

1. a kind of inverter, including shell（1）And lid（2）It is characterised in that：Shell includes fore shell（11）, base（12）With Back cover（13）, fore shell（11）And back cover（13）On air vent is distributed with（14）, base（12）On circuit arrangement is installed（31）, become Depressor shell（33）；Inverter also includes being fixed on circuit arrangement（31）And transformer shell（33）Between fan（322）；Transformer Shell（33）It is provided with several air guide holes（331）, and upper end open, transformer shell（33）Inside is provided with horizontal type transformer （332）；Base（12）It is provided with installation transformer shell（33）Support base（333）, transformer shell（33）, base（12）And support Seat（333）Between be formed with ventilating duct.

2. a kind of inverter according to claim 1 it is characterised in that：Described transformer shell（33）The air guide hole of upper end （331）It is distributed in along base（12）Length direction both sides.

3. a kind of inverter according to claim 1 it is characterised in that：Described transformer shell（33）The air guide hole of lower end （331）It is distributed in along base（12）Length direction both sides.

4. a kind of inverter according to claim 2 it is characterised in that：It is distributed in transformer shell（33）The leading of upper end both sides Air port（331）Differ in size, and be dislocatedly distributed.

5. a kind of inverter according to claim 1 it is characterised in that：Described support base（333）Both sides are equipped with support Seat opening（3331）.

6. a kind of inverter according to claim 1 it is characterised in that：Described circuit arrangement（31）Including upper end circuit board （311）, base circuit board（313）And it is installed on upper end circuit board（311）And base circuit board（313）Between fin （312）.

7. a kind of inverter according to claim 6 it is characterised in that：Described base（12）On be provided with support bottom electricity Road plate（313）Support member, therefore in base（12）With base circuit board（313）Between define a ventilating duct.

8. a kind of inverter according to claim 7 it is characterised in that：Described fin（312）Top is provided with support Terminal circuit plate（311）Support member, therefore in upper end circuit board（311）With fin（312）Between define a ventilating duct.

9. a kind of inverter according to claim 1 it is characterised in that：Described fore shell（11）And back cover（13）It is covered with ventilation Hole（14）.