CN204217240U - Controller for electric vehicle and electric motor car - Google Patents
Controller for electric vehicle and electric motor car Download PDFInfo
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- CN204217240U CN204217240U CN201420625686.9U CN201420625686U CN204217240U CN 204217240 U CN204217240 U CN 204217240U CN 201420625686 U CN201420625686 U CN 201420625686U CN 204217240 U CN204217240 U CN 204217240U
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- 239000004065 semiconductor Substances 0.000 claims abstract description 55
- 238000009423 ventilation Methods 0.000 claims abstract description 40
- 239000012809 cooling fluid Substances 0.000 claims abstract description 32
- 239000004033 plastic Substances 0.000 claims description 27
- 239000004568 cement Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000001149 thermolysis Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to electric motor car, a kind of controller for electric vehicle is provided, comprise controller housing, the first cavity and the second cavity is divided in controller housing, electric component comprises some metal-oxide-semiconductors, is also provided with holder in the first cavity, and holder comprises base plate and elastic portion, controller housing offers at least one ventilation mouth, be provided with waterproof and breathable plug in ventilation mouth place; A kind of electric motor car is also provided, comprises above-mentioned controller.In the utility model, each MOS compresses fixing by elastic portion, it is convenient to change, also can not affect the electric property of each metal-oxide-semiconductor, again electric component work time produce heat can be cooled liquid absorb, cooling fluid heat absorption evaporation be distributed to the external world through waterproof and breathable plug, not only play good thermolysis, also can ensure the second cavity and extraneous mass balances, when being applied in electric motor car by this controller, can ensure that electric motor car travels for a long time.
Description
Technical field
The utility model relates to electric motor car, particularly relates to a kind of controller for electric vehicle and electric motor car.
Background technology
At present in electric motor car, no matter be electric bicycle or battery-operated motor cycle, controller is all important control assemblies.Usually, controller is a box body structure being in sealing state, electric component is provided with in it, if electric motor car is when travelling for a long time, electric component in controller makes the temperature of surrounding environment too high because working long hours, thus electric component Yin Wendu may be caused too high and damage, controller is difficult to continue normal work.Be the long-acting work of guarantee controller to this, then need the radiating effect improving controller, and current way is only greatly adopt Heat Conduction Material to make on the shell of controller at most, the louvre of some is set simultaneously on shell, shell is relied on to carry out heat transfer, although it can play certain thermolysis, but radiating effect is not clearly, so occurred that a kind of mode of liquid cooling is dispelled the heat, namely in controller, be provided with cooling fluid absorb heat, there is good heat dispersion, but this radiating mode requires higher to sealing property, easy leakage is not only unfavorable for depositing of cooling fluid, also can affect the service behaviour of electric component.
Utility model content
The purpose of this utility model is to provide a kind of controller for electric vehicle, is intended to for solving the poor problem of existing controller for electric vehicle radiating effect.
For solving the problems of the technologies described above, the technical solution of the utility model is: provide a kind of controller for electric vehicle, comprise controller housing, described controller housing is box like structure, the second cavity of the first cavity for built-in electric component and built-in cooling fluid is divided in described controller housing, described electric component comprises the some metal-oxide-semiconductors vertically arranged, also holder is provided with in described first cavity, described holder comprises the base plate that is fixed on described controller housing and extends to each described metal-oxide-semiconductor by described base plate and for each described metal-oxide-semiconductor being compressed to the elastic portion on a wherein inwall of described first cavity, described controller housing offers at least one ventilation mouth being communicated with described second cavity, the waterproof and breathable plug for ventilation mouth described in shutoff is provided with in described ventilation mouth place.
Particularly, described elastic portion comprises the some flexure strips being extended to each described metal-oxide-semiconductor by described base plate, and each described flexure strip compresses each described metal-oxide-semiconductor on the inwall of described first cavity, and metal-oxide-semiconductor described in each abuts with flexure strip described at least one.
Further, in described first cavity, be provided with the arc groove protruding described first cavity inner wall, described base plate has the first connecting portion stretched in described arc groove, and the outer surface of described first connecting portion coordinates with the inner surface of described arc groove.
Further, be provided with dividing plate in described controller housing, controller housing inner space described in described baffle for separating is described first cavity and described second cavity, and described metal-oxide-semiconductor compresses and is fixed on described dividing plate.
Particularly, the second connecting portion that described waterproof and breathable plug comprises the plastic rubber panel for closing opening described in this and is connected with described controller housing, the otch penetrating described plastic rubber panel is provided with in described plastic rubber panel, described second connecting portion has the through hole be communicated with outside described second cavity and described controller housing, and described plastic rubber panel is clogged in described through hole.
Further, described second connecting portion has along the length direction of described first through hole the inserting end stretched in described ventilation mouth, and described inserting end is arranged in described ventilation mouth.
Further, described second connecting portion is that plastic cement is made and one-body molded in described plastic rubber panel.
Further, be provided with and described waterproof and breathable plug installed part one to one in described controller housing, described installed part is arranged in described ventilation mouth, and described waterproof and breathable fork clip is located in the installing hole outside described installed part described second cavity of connection and described controller housing.
Further, the outer edge surface of described installed part is provided with groove, described controller housing is sticked in described groove, and the exterior surface of the upper end face of described groove and described controller housing, the bottom surface of described groove contacts with the inner surface of described controller housing.
The utility model additionally provides a kind of electric motor car, comprises vehicle frame, also comprises above-mentioned controller for electric vehicle, and described controller for electric vehicle is fixed on described vehicle frame.
The utility model has following technique effect:
Controller for electric vehicle of the present utility model, adopt liquid-cooling heat radiation, the first cavity and the second cavity is divided in it, the working chamber of electric component as controller is set in the first cavity, the heat dissipation cavity of cooling fluid as controller is provided with in second cavity, electric component comprises pcb board and some metal-oxide-semiconductors, holder is set in the first cavity for fixing each metal-oxide-semiconductor, holder comprises base plate and elastic portion, base plate is fixed on controller housing, elastic portion then can support each metal-oxide-semiconductor on the first cavity inner wall, the fixed structure of this structure not only metal-oxide-semiconductor is more stable, and it is all more convenient to changeing of each metal-oxide-semiconductor, further controller housing also offers at least one ventilation mouth, ventilation mouth can be communicated with outside the second cavity and controller housing, waterproof and breathable plug is equipped with at each ventilation mouth place, this waterproof and breathable plug can the shutoff ventilation mouth corresponding with it, i.e. waterproof and breathable plug shutoff ventilation mouth under normal circumstances, second cavity is seal cavity, cooling fluid can not be revealed by the second cavity, and when controller works, metal-oxide-semiconductor and pcb board work produce heat, and the heat with major part is absorbed by the cooling fluid in the second cavity, the heat absorption of part cooling fluid cooling fluid heats up as gaseous state, gaseous state cooling fluid can outside the loss to controller housing of waterproof and breathable plug, this process not only has stronger radiating effect, the air pressure balance outside the second cavity and controller housing can also be ensured, when this controller is applied in electric motor car, controller can long-time stable work, and then can ensure that electric motor car can travel at a distance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the controller for electric vehicle of the utility model embodiment;
Fig. 2 is the structural representation after the controller housing of the controller for electric vehicle of Fig. 1 is opened;
Fig. 3 is A place enlarged drawing in Fig. 2;
Fig. 4 is the controller housing of the controller for electric vehicle of Fig. 1 and the cutaway view of installed part fit structure;
Fig. 5 is the controller housing of the controller for electric vehicle of Fig. 1 and the cutaway view of waterproof and breathable plug fit structure.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See Fig. 1, Fig. 2 and Fig. 4, the utility model embodiment provides a kind of controller for electric vehicle, it mainly comprises controller housing 1, this controller housing 1 is box like structure, in it, there is container cavity, container cavity in controller housing 1 is divided into the first cavity 2 and the second cavity 3 two parts, electric component 5 is provided with in first cavity 2, belong to the working chamber of controller, second cavity 3 is built-in with cooling fluid, belong to the heat dissipation cavity of controller, cooling water or anti-icing fluid etc. can be adopted for cooling fluid, for the electric component 5 in the first cavity 2, mainly comprise the some metal-oxide-semiconductors 52 and horizontally disposed pcb board 51 that vertically arrange, each metal-oxide-semiconductor 52 all has the pin 521 that is electrically connected extending and be electrically connected with pcb board 51, being specially the pin 521 that is respectively electrically connected all is inserted on pcb board 51, and weld between, a holder 6 is also provided with in the first cavity 2, the elastic portion 62 that this holder 6 comprises a base plate 61 and is connected with base plate 61, base plate 61 is fixed on controller housing 1, elastic portion 62 is extended to each metal-oxide-semiconductor 52 by base plate 61, and can produce elastic force is compressed on a wherein inwall of the first cavity 2 by each metal-oxide-semiconductor 52, further, controller housing 1 offers at least one ventilation mouth 11, can be communicated with outside the second cavity 3 and controller housing 1 by ventilation mouth 11, a waterproof and breathable plug 4 is respectively equipped with at each ventilation mouth 11 place, the effect of the shutoff ventilation mouth corresponding with it 11 can be played by this waterproof and breathable plug 4, thus ensure the sealing property of the second cavity 3, effectively prevent the cooling fluid in the second cavity 3 from directly being revealed by ventilation mouth 11, the air pressure balance that simultaneously can also realize outside the second cavity 3 and controller housing 1 by waterproof and breathable plug 4, namely the gas in the second cavity 3 can outside waterproof and breathable plug 4 loss to controller housing 1.
Specifically see Fig. 2, in the present embodiment, first cavity 2 can be similar to be regarded as rectangular parallelepiped space, pcb board 51 level is located at the Inner bottom surface place near the first cavity 2, certainly also there is gap between itself and the Inner bottom surface of the first cavity 2, each metal-oxide-semiconductor 52 is vertically arranged, and be fixed on a wherein madial wall of the first cavity 2 under the effect of holder 6 elastic portion 62, in this version, when controller works, each metal-oxide-semiconductor 52 works and the evolution of heat, normal controller housing 1 is made for aluminium section bar, the heat that each metal-oxide-semiconductor 52 produces directly can be passed to controller housing 1 by metal-oxide-semiconductor 52, the elastic portion 62 being holder 6 due to metal-oxide-semiconductor 52 is compressed on controller housing 1, shorter to the heat conduction path between this metal-oxide-semiconductor 52 with controller housing 1, heat transference efficiency is higher, then a part of heat is directly distributed by controller housing 1, another part heat is then passed to cooled liquid in the second cavity 3 and absorbs, and the heat absorption of part cooling fluid heats up and is evaporated to gaseous state, the cooling fluid of gaseous state then can via outside waterproof and breathable plug 4 loss to controller housing 1, this process not only has good radiating effect, the air pressure balance outside the second cavity 3 and controller housing 1 can also be ensured, waterproof and breathable plug 4 shutoff ventilation mouth 11 is adopted to this, not only can have stronger sealing, the heat dispersion of controller can also be ensured simultaneously, controller can effectively work for a long time.In addition because each metal-oxide-semiconductor 52 is directly compressed on the inwall of the first cavity 2 under the elastic force effect of the elastic portion 62 of holder 6, and formed fixing, this fixed form not only structure comparison is stablized, and each metal-oxide-semiconductor 52 can be installed when installing simultaneously, also be fixed without the need to connecting bolt, the impact of number can not be installed by metal-oxide-semiconductor 52, installation process is simple and convenient, the mode simultaneously adopting holder 6 to compress due to each metal-oxide-semiconductor 52 is fixed, the surface of each metal-oxide-semiconductor 52 there will not be the phenomenon punctured, the insulation property of each metal-oxide-semiconductor 52 self can not be affected on this whole installation process, high voltage bearing insulating requirements can be met.
See Fig. 2 and Fig. 3, for the concrete structure of the elastic portion 62 of holder 6, elastic portion 62 comprises some flexure strips 621, the edge that each flexure strip 621 is along base plate 61 extends to each metal-oxide-semiconductor 52, and each metal-oxide-semiconductor 52 is all compressed on the inwall of the first cavity 2 by each flexure strip 621 under the effect of its own resilient, number is arranged for flexure strip 621 and metal-oxide-semiconductor 52, the quantity of flexure strip 621 should be greater than the quantity of metal-oxide-semiconductor 52, each metal-oxide-semiconductor 52 is all at least subject to a flexure strip 621 to its active force.Each flexure strip 621 all can adopt the lower carbon steel elastomeric material of phosphorus content to make, usually, each metal-oxide-semiconductor 52 is all subject to the compress power effect of one or two flexure strip 621 to it, install or change wherein a metal-oxide-semiconductor 52 time, External Force Acting is only needed to be out of shape further to make each flexure strip 621 corresponding with the metal-oxide-semiconductor 52 of this position, increase the distance between this flexure strip 621 and first cavity 2 inwall, and after metal-oxide-semiconductor 52 is vertically placed, remove external force to the External Force Acting of flexure strip 621, flexure strip 621 compresses metal-oxide-semiconductor 52 and is formed fixing in restorable process, in like manner dismantle wherein a metal-oxide-semiconductor 52 time, after its connection status be electrically connected between pin 521 and pcb board 51 of releasing, only need the flexure strip 621 that External Force Acting is corresponding with it, active force is compressed with what remove this flexure strip 621 pairs of metal-oxide-semiconductors 52, whole process is very convenient, and the installation and removal between adjacent mos pipe 52 can not form interference.
Further, in holder 6, base plate 61 fixedly carries out refinement, an arc groove 12 is provided with in the first cavity 2, this arc groove 12 protrudes the inwall of the first cavity 2, be specially the inner top surface that arc groove 12 protrudes the first cavity 2, and be formed in one between arc groove 12 and controller housing 1 and make, base plate 61 has one first connecting portion 611, this first connecting portion 611 can stretch in arc groove 12, and stretch into after in arc groove 12 at the first connecting portion 611, the outer surface of the first connecting portion 611 coordinates with the inner surface of arc groove 12.In the present embodiment, base plate 61 is a comparatively thin plate, if directly adopt bolt etc. to be connected carrying out bolt between its with controller housing 1, base plate 61 is easily made to produce distortion, some flexure strips 621 are extended with for compressing fixing each metal-oxide-semiconductor 52 at an edge of base plate 61 to this, thus limit the movement of base plate 61 in this end horizontal direction, and there is at another edge of base plate 61 the first above-mentioned connecting portion 611, two edges are oppositely arranged, first connecting portion 611 stretches in arc groove 12, the movement of this end of base plate 61 is limited by this arc groove 12, and arc groove 12 is convex structure, the movement of this end of base plate 61 is also limit at vertical direction, by this structure, fixing base plate 61 is defined to a certain extent to this, and the situation that stress will be caused to concentrate to base plate 61 and be out of shape.
Refer again to Fig. 2, particularly, be provided with dividing plate 13 in controller housing 1, this dividing plate 13 vertically arranges and the container cavity of controller housing 1 is divided into the first cavity 2 and the second cavity 3, and is compressed by each metal-oxide-semiconductor 52 and be fixed on dividing plate 13.In the present embodiment, the first cavity 2 and the second cavity 3 separated by dividing plate 13, a wherein inwall of the first cavity 2 is a wherein side of dividing plate 13, each metal-oxide-semiconductor 52 is all located on the side of dividing plate 13, the cooling fluid being positioned at the second cavity 3 then directly directly contacts with the another side of dividing plate 13, to this when controller works, the heat that each metal-oxide-semiconductor 52 produces can directly be passed to dividing plate 13, directly cooling fluid is passed to again by dividing plate 13, and due to the thickness of dividing plate 13 be not generally very thick, namely the heat conduction path that the heat that each metal-oxide-semiconductor 52 produces is passed to cooling fluid is shorter, heat transference efficiency is very high.
See Fig. 1, Fig. 2, Fig. 4 and Fig. 5, , waterproof and breathable plug 4 comprises the plastic rubber panel 41 for closing ventilation mouth 11 corresponding to it particularly, plastic rubber panel 41 is drawn and is provided with otch 42 structure, otch 42 penetrates plastic rubber panel 41, waterproof and breathable plug 4 also comprises second connecting portion 43, waterproof and breathable plug 4 realizes the connection between controller housing 1 by this second connecting portion 43, second connecting portion 43 has through hole 431, after second connecting portion 43 is connected with controller housing 1, the through hole 431 of the second connecting portion 43 can be communicated with outside the second cavity 3 and controller housing 1, plastic rubber panel 41 is clogged in through hole 431.
In the present embodiment, the ventilation mouth 11 of waterproof and breathable plug 4 shutoff controller housing 1 under normal circumstances, second cavity 3 is sealing state, cooling fluid in it can not flow out via ventilation mouth 11, and when controller works, namely each electric component 5 in the first cavity 2 works and produces heat, wherein a part of heat is directly distributed to outside controller housing 1 via controller housing 1, the heat of another part is then passed in the second cavity 3 by dividing plate 13, and cooled liquid absorbs, after cooling fluid absorbs heat, temperature raises, part cooling fluid is heated and is evaporated to gaseous state, air pressure in second cavity 3 raises and produces active force to the plastic rubber panel 41 of waterproof and breathable plug 4, and after air pressure acquires a certain degree, plastic rubber panel 41 stress deformation also struts otch 42, now the second cavity 3 is communicated with outside controller housing 1, outside gaseous state cooling fluid loss to controller in second cavity 3, cooling fluid takes away a large amount of heat of the second cavity 3 in this process, play good thermolysis, second cavity 3 keeps balancing with the air pressure outside controller housing 1 simultaneously.In said structure, waterproof and breathable plug 4 comprises the second connecting portion 43 and plastic rubber panel 41 two parts, wherein the second connecting portion 43 is mainly used in forming the connection function between waterproof and breathable plug 4 and controller housing 1, be specially the connection function between waterproof and breathable plug 4 and controller housing 1, plastic rubber panel 41 mainly plays a part waterproof and breathable, the through hole 431 of the second connecting portion 43 is communicated with outside the second cavity 3 and controller housing 1, namely through hole 431 passes the ventilation mouth 11 corresponding with it by the direction of outside to the inner side of controller housing 1, second connecting portion 43 has part-structure and stretches into inside controller housing 1.Particularly, connected mode between second connecting portion 43 and controller housing 1 can adopt various ways, such as the part-structure that the second connecting portion 43 stretches into inside controller housing 1 is called inserting end, through hole 431 has part-structure and is positioned on this inserting end, inserting end should be arranged in the inner side of controller housing 1 along the length direction of through hole 431 simultaneously, and its outer edge surface can and the inwall of ventilation mouth 11 between form card and establish effect, i.e. clamping between waterproof and breathable plug 4 and controller housing 1.In conjunction with this connected mode, because the second cavity 3 internal gas pressure when controller works increases, active force is produced to waterproof and breathable plug 4, should not be cylindrical-shaped structure to this second connecting portion 43, namely the second connecting portion 43 not only outer edge surface can and controller housing 1 between clamping, on the length direction along through hole 431, the second connecting portion 43 also should have two abutting structures simultaneously, two abutting structures lay respectively at controller housing 1 inner and outer, the movement of further restriction waterproof and breathable plug 4 on the length direction along through hole 431, ensure the stability of structure between waterproof and breathable plug 4 and controller housing 1.Various structures form can be had for otch 42, when being located at plastic rubber panel 41 mid portion and penetrating a cut 421 of this plastic rubber panel 41 quarter, otch 42 is in in-line, and cut 421 also can have many, and each cut 421 is interconnected, can be intersected in a bit, when cut 421 is two, otch 42 can be cross, and when cut 421 is three, otch 42 can be Y-shaped, cut more than 421 successively, otch 42 can be combined to multiple different version.
See Fig. 4 and Fig. 5, further, the second connecting portion 43 also adopts plastic material to make, and namely the second connecting portion 43 also has certain plastic deformation characteristic, can adopt one-body molded making between this second connecting portion 43 and plastic rubber panel 41.Second connecting portion 43 adopts plastic cement to make, under certain External Force Acting, it can produce distortion, in conjunction with this characteristic, when needing to install waterproof and breathable plug 4 at ventilation mouth 11 place of controller housing 1, can just to ventilation mouth 11 position pressing waterproof and breathable plug 4, second connecting portion 43 be squeezed power effect distortion enter in ventilation mouth 11, the wherein abutting structure of the second connecting portion 43 restores to the original state entering rear flank in controller housing 1, this waterproof and breathable plug 4 is connected on controller housing 1, with when should need to remove waterproof and breathable plug 4, then only need extract by external force, to the waterproof and breathable plug 4 that this adopts plastic cement to make, not only can and controller housing 1 between form interface arrangment, dismounting is simultaneously all fairly simple, and after waterproof and breathable plug 4 is pulled out, cooling fluid can be added in the second cavity 3 by the ventilation mouth 11 of this waterproof and breathable plug 4 correspondence, more convenient.
See Fig. 2, Fig. 4 and Fig. 5, further optimization said structure, controller housing 1 is also provided with some installed parts 15, one_to_one corresponding between installed part 15 and waterproof and breathable plug 4, to the ventilation mouth 11 on this controller housing 1, waterproof and breathable plug 4 and installed part 15, one_to_one corresponding between three, installed part 15 is arranged in the ventilation mouth 11 corresponding with it, again a waterproof and breathable plug 4 is connected on installed part 15, be specially installed part 15 and there is installing hole 151, this installing hole 151 also can form the second cavity 3 and being communicated with outside controller housing 1, again waterproof and breathable plug 4 is arranged in this installing hole 151.Usually, because controller housing 1 adopts heat-dissipation aluminum sectional material to make, its thickness is not very thick, the stability of structure time for this reason for ensureing that waterproof and breathable plug 4 is arranged on controller housing 1 further, directly clamping is not carried out between the ventilation mouth 11 of waterproof and breathable plug 4 and controller housing 1, but first installed part 15 is worn and be fixed in ventilation mouth 11, metal material can be adopted to make for installed part 15, clamping can be carried out between itself and controller housing 1, also can weld, ensure the stability of structure between installed part 15 and controller housing 1, be fixed on after on controller housing 1 at installed part 15, again a waterproof and breathable plug 4 is arranged in its installing hole 151, installing hole 151 has certain length, thus make, between the outer edge surface of waterproof and breathable plug 4 second connecting portion 43, there is larger clamping area, and then ensure the stability of structure between installed part 15 and waterproof and breathable plug 4.
Syndeton between the above-mentioned installed part 15 of refinement and controller housing 1, clamping is carried out between installed part 15 and controller housing 1, be specially and be equipped with a circle groove 152 on the outer edge surface of installed part 15, when installed part 15 is passed the ventilation mouth 11 corresponding with it, the part-structure that controller housing 1 forms this ventilation mouth 11 is just sticked in the groove 152 of installed part 15, the upper end face of this groove 152 is in the exterior surface of controller housing 1 simultaneously, and the bottom surface of groove 152 contacts with the inner surface of controller housing 1.In the present embodiment, controller housing 1 part-structure stretches in the groove 152 of installed part 15, the upper end face of groove 152 is in the exterior surface of controller housing 1 simultaneously, the bottom surface of groove 152 contacts with the inner surface of controller housing 1, and also adopt metal material to make due to controller housing 1, there is some strength, highly stable to the interface arrangment between this controller housing 1 and installed part 15, installed part 15 can not come off by controller housing 1 easily, and then ensures the stability of structure between waterproof and breathable plug 4 and controller housing 1.
Refer again to Fig. 4 and Fig. 5, the syndeton of refinement installed part 15 and waterproof and breathable plug 4, the circle protruding 153 protruding installing hole 151 inwall is equipped with in installing hole 151, second connecting portion 43 of waterproof and breathable plug 4 stretches in installing hole 151 and forms clamping with protruding 153, two abutting structures being specially the second connecting portion 43 form structure of caving on the outer edge surface of the second connecting portion 43, when the second connecting portion 43 stretches into along installing hole 151, the projection 153 in installing hole 151 is sticked between two abutting structures of the second connecting portion 43.In said structure, protruding 153 have certain thickness, and waterproof and breathable plug 4 entirety is all positioned at installing hole 151 simultaneously, and waterproof and breathable plug 4 can be stablized and is fixed on installed part 15.
See Fig. 1 and Fig. 2, further, controller also comprises a liquid level gauge 16, this liquid level gauge 16 can be used for the liquid level of cooling fluid in test second cavity 3, liquid level gauge 16 has a transparent pipe 161 vertically arranged, this transparent pipe 161 vertically arranges and outside controller housing 1, it can demonstrate the height of cooling-liquid level in the second cavity 3.Usually, liquid level gauge 16 also has a liquid-measuring tube (not shown), liquid-measuring tube is vertically located in the second cavity 3, and the bottom of this liquid-measuring tube is opening and close to the Inner bottom surface of the second cavity 3, the bottom of liquid-measuring tube is communicated with transparent pipe 161, the liquid level of cooling fluid in the second cavity 3 can be shown in transparent pipe 161 to this, because this transparent pipe 161 is positioned at outside controller housing 1, thus facilitate the control of cooling-liquid level height in outer bound pair second cavity 3, certain transparent pipe 161 also can be transparent panel structure, it is vertically embedded on controller housing 1, the cooling fluid in the second cavity 32 directly can be observed by this transparent pipe 161.
Specifically see Fig. 2, further, the inwall of the second cavity 3 is provided with some first fin 31, each first fin 31 all protrudes the inner wall surface of second cavity 3 corresponding with it.In such an embodiment, each first fin 31 all protrudes the inwall of the second cavity 3, effectively can increase the area of the inner wall surface of the second cavity 3 to this, the heat produced in the first cavity 2 can conduct in the second cavity 3 fast, enhances the heat-sinking capability of the first cavity 2.Continue the structure optimizing each first fin 31, be arranged in parallel between each first fin 31 in the second cavity 3 on same inwall, and each first fin 31 is all in corrugated.Parallel mode is adopted to arrange by between the first fin 31 on same inwall in the second cavity 3, then can optimize the distribution of each first fin 31 in the second cavity 3, by the heat that each first fin 31 distributes comparatively homogenizing distribution in the second cavity 3, particularly, wherein a part of first fin 31 is positioned on dividing plate 13, another part first fin 31 is positioned on the Inner bottom surface of the second cavity 3, when cooling fluid being poured in the second cavity 3, each first fin 31 is all positioned at cooling fluid, the heat being distributed conduction by the first cavity 2 can conduct to cooling fluid fast, heat exchanger effectiveness is higher, and each first fin 31 is arranged to corrugated, then further increase the area of dissipation of each the first fin 31, strengthen the radiating efficiency of the first cavity 2.
See Fig. 2 and Fig. 3, further, the outer surface of controller housing 1 is provided with some second fin 14, each second fin 14 is arranged along the direction away from controller housing 1, and each second fin 14 is also all in corrugated.Because controller housing 1 all adopts Heat Conduction Material to make, this controller housing 1 also be can be used for the radiator structure of controller, the heat produced in first cavity 2 can be directly conducted on controller housing 1, can the rate of heat dispation of acceleration controller housing 1 by being arranged at each second fin 14 on controller housing 1 outer surface, and each second fin 14 is all set to corrugated, then can increase each second fin 14 and the contact area of outside air, effectively improve the radiating effect of each the second fin 14.
See Fig. 2, the utility model embodiment still provides a kind of electric motor car, and electric motor car comprises vehicle frame (not shown) and above-mentioned controller, and this controller is fixed on vehicle frame.In the present embodiment, above-mentioned controller is applied in electric motor car, the traveling action of electric motor car can be controlled by controller, because this controller adopts the mode of liquid cooling to dispel the heat, heat dispersion is relatively good, and due to the sealing property of the first cavity 2 and the second cavity 3 relatively good, cooling fluid can not affect the service behaviour of electric component 5 in the first cavity 2, thus can ensure that controller can work long hours, and then can ensure that electric motor car can be in transport condition for a long time.
The foregoing is only the utility model preferred embodiment; its structure is not limited to the above-mentioned shape enumerated; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a controller for electric vehicle, comprise controller housing, described controller housing is box like structure, the second cavity of the first cavity for built-in electric component and built-in cooling fluid is divided in described controller housing, described electric component comprises the some metal-oxide-semiconductors vertically arranged, also holder is provided with in described first cavity, described holder comprises the base plate that is fixed on described controller housing and extends to each described metal-oxide-semiconductor by described base plate and for each described metal-oxide-semiconductor being compressed to the elastic portion on a wherein inwall of described first cavity, it is characterized in that: described controller housing offers at least one ventilation mouth being communicated with described second cavity, the waterproof and breathable plug for ventilation mouth described in shutoff is provided with in described ventilation mouth place.
2. controller for electric vehicle as claimed in claim 1, it is characterized in that: described elastic portion comprises the some flexure strips being extended to each described metal-oxide-semiconductor by described base plate, each described flexure strip compresses each described metal-oxide-semiconductor on the inwall of described first cavity, and metal-oxide-semiconductor described in each abuts with flexure strip described at least one.
3. controller for electric vehicle as claimed in claim 1, it is characterized in that: in described first cavity, be provided with the arc groove protruding described first cavity inner wall, described base plate has the first connecting portion stretched in described arc groove, and the outer surface of described first connecting portion coordinates with the inner surface of described arc groove.
4. controller for electric vehicle as claimed in claim 1, it is characterized in that: in described controller housing, be provided with dividing plate, controller housing inner space described in described baffle for separating is described first cavity and described second cavity, and described metal-oxide-semiconductor compresses and is fixed on described dividing plate.
5. the controller for electric vehicle as described in any one of claim 1-4, it is characterized in that: the second connecting portion that described waterproof and breathable plug comprises the plastic rubber panel for closing opening described in this and is connected with described controller housing, the otch penetrating described plastic rubber panel is provided with in described plastic rubber panel, described second connecting portion has the through hole be communicated with outside described second cavity and described controller housing, and described plastic rubber panel is clogged in described through hole.
6. controller for electric vehicle as claimed in claim 5, is characterized in that: described second connecting portion has along the length direction of described first through hole the inserting end stretched in described ventilation mouth, and described inserting end is arranged in described ventilation mouth.
7. controller for electric vehicle as claimed in claim 5, is characterized in that: described second connecting portion is that plastic cement is made and one-body molded in described plastic rubber panel.
8. controller for electric vehicle as claimed in claim 5, it is characterized in that: be provided with and described waterproof and breathable plug installed part one to one in described controller housing, described installed part is arranged in described ventilation mouth, and described waterproof and breathable fork clip is located in the installing hole outside described installed part described second cavity of connection and described controller housing.
9. controller for electric vehicle as claimed in claim 8, it is characterized in that: the outer edge surface of described installed part is provided with groove, described controller housing is sticked in described groove, and the exterior surface of the upper end face of described groove and described controller housing, the bottom surface of described groove contacts with the inner surface of described controller housing.
10. an electric motor car, comprises vehicle frame, it is characterized in that: also comprise the controller for electric vehicle described in any one of claim 1-9, and described controller for electric vehicle is fixed on described vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625686.9U CN204217240U (en) | 2014-10-27 | 2014-10-27 | Controller for electric vehicle and electric motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625686.9U CN204217240U (en) | 2014-10-27 | 2014-10-27 | Controller for electric vehicle and electric motor car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204217240U true CN204217240U (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420625686.9U Expired - Fee Related CN204217240U (en) | 2014-10-27 | 2014-10-27 | Controller for electric vehicle and electric motor car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204217240U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702645A (en) * | 2016-03-28 | 2016-06-22 | 江苏协昌电子科技股份有限公司 | MOS transistor radiating structure and electric vehicle controller |
| CN108684183A (en) * | 2018-07-03 | 2018-10-19 | 深圳威迈斯电源有限公司 | A kind of mounting structure and installation method of switching tube |
| CN113693852A (en) * | 2020-05-21 | 2021-11-26 | 力纳克传动系统（深圳）有限公司 | Control box for electric adjusting medical bed |
-
2014
- 2014-10-27 CN CN201420625686.9U patent/CN204217240U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702645A (en) * | 2016-03-28 | 2016-06-22 | 江苏协昌电子科技股份有限公司 | MOS transistor radiating structure and electric vehicle controller |
| CN105702645B (en) * | 2016-03-28 | 2019-01-25 | 张家港凯诚软件科技有限公司 | A MOS tube heat dissipation structure and electric vehicle controller |
| CN108684183A (en) * | 2018-07-03 | 2018-10-19 | 深圳威迈斯电源有限公司 | A kind of mounting structure and installation method of switching tube |
| WO2020006794A1 (en) * | 2018-07-03 | 2020-01-09 | 深圳威迈斯电源有限公司 | Mounting structure and mounting method for switching transistors |
| CN108684183B (en) * | 2018-07-03 | 2023-11-07 | 深圳威迈斯新能源股份有限公司 | Installation structure and installation method of switch tube |
| CN113693852A (en) * | 2020-05-21 | 2021-11-26 | 力纳克传动系统（深圳）有限公司 | Control box for electric adjusting medical bed |
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