CN203289821U - Radiator device for direct current brushless electric car controller - Google Patents
Radiator device for direct current brushless electric car controller Download PDFInfo
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- CN203289821U CN203289821U CN2013203637991U CN201320363799U CN203289821U CN 203289821 U CN203289821 U CN 203289821U CN 2013203637991 U CN2013203637991 U CN 2013203637991U CN 201320363799 U CN201320363799 U CN 201320363799U CN 203289821 U CN203289821 U CN 203289821U
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Abstract
The utility model relates to a radiator, specifically to a radiator device for a direct current brushless electric car controller, and is a novel radiator device using double-row MOS tubes and using press strips to fix the MOS tubes. The radiator device comprises a circuit board, press strips, 72 MOS tubes, two radiators and a base, wherein the 72 MOS tubes are mounted on the circuit board in back-to-back arrangement of double-row MOS tubes on two sides, all the MOS tubes are inserted in the circuit board through insertion holes, and press strips are pressed on the MOS tubes with screws and enables the MOS tubes to be fixed onto the radiators. The fixing method is that the screws pass through screw holes in the press strips at outer sides and screw holes in the radiators, and are screwed up in threads on the press strips at inner sides, thereby enabling the positions of the press bars and the radiators to be fixed, and then the two radiators are fixed to the base respectively. The radiator device for a direct current brushless electric car controller overcomes the defects in the prior art that a direct current brushless motor controller is too large in size and is inconvenient to assemble.
Description
Technical field
The technical solution of the utility model relates to radiator, specifically is used for the heat sink arrangement of brush DC controller for electric vehicle.
Background technology
To have characteristic of low voltage good due to it for dc brushless motor, the torque overload characteristic is strong, detent torque is large, the advantages such as starting current is little, and with brush direct current motor, relatively lack the carbon brush changement, make the life-span of DC Brushless Motor longer, safeguard more convenient, in this simultaneously due to the rare-earth Nd-Fe-B material that adopts high energy product, the volume ratio of DC Brushless Motor has been dwindled a seat No. with the capacity threephase asynchronous, and therefore in the electric automobiles DC Brushless Motor, replacing DC electromotor with brush has become a kind of large trend.
Yet, needing to adopt three-phase bridge circuit in the driven by Brush-Less DC motor process, this Drive Structure is more complicated than brush motor Drive Structure, and it is many that the power component of use is also wanted, and this just has higher requirement to structure and the heat radiation of power amplifier board.At present, in prior art on market except high power DC brushless electric vehicle controller power component adopts IGBT, 10KW adopts metal-oxide-semiconductor to be used as driver part with interior low power brush DC controller for electric vehicle power section more, the many employings of the fixed form of metal-oxide-semiconductor on circuit board form a line respectively namely single in the circuit board both sides, the T-shaped aluminium of the many employings of radiator, like this drive plate is buckled on radiator, reinforce with screw, make metal-oxide-semiconductor and radiator be close together, be the mounting structure of single metal-oxide-semiconductor.Three-phase bridge circuit due to the DC brushless motor controller employing, in the situation that power is identical, the metal-oxide-semiconductor quantity that DC brushless motor controller adopts adopts the quantity of metal-oxide-semiconductor to have more one times than DC brushed motor controller at least, if also single fixing one by one to metal-oxide-semiconductor, assembling is also more difficult.The mode of the single metal-oxide-semiconductor of available technology adopting fixes, and the result that causes is exactly that the length of DC brushless motor controller structure grows one times than the structure length of brush direct current motor at least.So just requiring to reserve in electric motor car than the twice space of DC brushed motor controller DC brushless motor controller is installed, is the problem that can't steer clear of to the complete vehicle structure of electric motor car like this.
The utility model content
Technical problem to be solved in the utility model is: the heat sink arrangement that is provided for the brush DC controller for electric vehicle, it is a kind of fixedly heat sinking apparatus of metal-oxide-semiconductor of double metal-oxide-semiconductor and employing press strip that adopts, overcome in prior art the DC brushless motor controller volume too large, the shortcoming such as assembling is inconvenient.
The utility model solves this technical problem the technical scheme that adopts: the heat sink arrangement that is used for the brush DC controller for electric vehicle, be a kind ofly to adopt double metal-oxide-semiconductor and adopt the fixedly heat sinking apparatus of metal-oxide-semiconductor of press strip, comprise circuit board, press strip, 72 metal-oxide-semiconductors, two radiators and base; Wherein, 72 metal-oxide-semiconductors are installed on circuit board, adopt the arrangement of the back-to-back formula of the double metal-oxide-semiconductor in both sides, all metal-oxide-semiconductors assign on circuit board by jack, then press strip is pressed metal-oxide-semiconductor with screw it is fixed on radiator, this fixing means is: pass screw hole on the press strip in the outside and the screw hole on radiator with screw, then be tightened in screw thread on inboard press strip, itself and heat sink location are fixed, and so latter two radiator is respectively fixed on base.
above-mentioned heat sink arrangement for the brush DC controller for electric vehicle, the setting of 72 metal-oxide-semiconductors on described circuit board adopts the arrangement of the back-to-back formula of the double metal-oxide-semiconductor in both sides, up and down, first row metal-oxide-semiconductor and the row's spacing between the second row metal-oxide-semiconductor of upside are 10mm, row's spacing between the 3rd row's metal-oxide-semiconductor of downside and the 4th row's metal-oxide-semiconductor is 10mm, in every row, the spacing of adjacent mos pipe is 1.8mm, outermost metal-oxide-semiconductor in the double metal-oxide-semiconductor in circuit board both sides, up and down is that first row and the 4th row's metal-oxide-semiconductor are 9.75mm apart from circuit board up and down back gauge, all metal-oxide-semiconductors in four rows are left right-aligned, left side distance apart from circuit board is 8mm, right side distance apart from circuit board is 4mm, the upside of this circuit board is double is that first row MOS and second row MOS come to 36 metal-oxide-semiconductors, double i.e. the 3rd row MOS of the downside of this circuit board and the 4th row MOS are also 36 metal-oxide-semiconductors altogether, every row has 18 metal-oxide-semiconductors, wherein, the upside left side 12 metal-oxide-semiconductors side by side, be that 6, first row left side metal-oxide-semiconductor is that W goes up brachium pontis mutually with 6, second row left side metal-oxide-semiconductor, the downside left side corresponding with these 12 metal-oxide-semiconductors 12 metal-oxide-semiconductors side by side, namely the 3rd 6, the left side of row metal-oxide-semiconductor is that W descends brachium pontis mutually with the 4th 6, the left side of row metal-oxide-semiconductor, middle 12 metal-oxide-semiconductors side by side of upside, be that in the middle of first row, 6 metal-oxide-semiconductors are that V goes up brachium pontis mutually with middle 6 metal-oxide-semiconductors of second row, middle 12 metal-oxide-semiconductors side by side of the downside corresponding with these 12 metal-oxide-semiconductors, namely in the middle of the 3rd middle 6 metal-oxide-semiconductors of row and the 4th row, 6 metal-oxide-semiconductors are that V descends brachium pontis mutually, upside the right 12 metal-oxide-semiconductors side by side, be that 6 metal-oxide-semiconductors of 6, the right of first row metal-oxide-semiconductor and second row the right are that U goes up brachium pontis mutually, downside the right side by side 12 metal-oxide-semiconductors corresponding with these 12 metal-oxide-semiconductors, namely the 3rd 6, the right of row metal-oxide-semiconductor is that U descends brachium pontis mutually with the 4th 6 metal-oxide-semiconductors in row the right, drain electrode at the upside metal-oxide-semiconductor all is connected with radiator, this radiator is connected with the positive pole of DC power supply again, for it provides the anode input, wherein W phase and V draw respectively by two copper bars that are welded on circuit board respectively mutually, the negative pole of DC power supply is also introduced by the copper bar that is welded on circuit board, in the underside circuits plate, drain electrode with 24 metal-oxide-semiconductors in the downside left side, be the lower brachium pontis of W phase and V phase, insulate with radiator, and U descends 12 metal-oxide-semiconductor drain electrode discord radiators insulation of brachium pontis mutually, in order to from radiator, draw the U phase, concrete insulation measures is to descend mutually 24 metal-oxide-semiconductors of brachium pontis with empire cloth, metal-oxide-semiconductor drain electrode and radiator to be isolated in the W phase with V.
Above-mentioned heat sink arrangement for the brush DC controller for electric vehicle, the length of described circuit board are 226mm, and wide is 124mm.
Above-mentioned heat sink arrangement for the brush DC controller for electric vehicle, that described metal-oxide-semiconductor is selected is encapsulation TO-220AB.
Above-mentioned heat sink arrangement for the brush DC controller for electric vehicle, described press strip, radiator and base are all aluminums.
Above-mentioned heat sink arrangement for the brush DC controller for electric vehicle, related components and parts are all by commercially available, and the installation method of components and parts is that those skilled in the art grasps.
The beneficial effects of the utility model are: compared with prior art, outstanding substantive distinguishing features of the present utility model is:
(1) the utility model is used for the heat sink arrangement of brush DC controller for electric vehicle due to the arrangement mechanical structure that adopts double metal-oxide-semiconductor, make the length of controller power amplifier board reduce half, just can make since like this controller size at least dwindle 50/1sts.
(2) the utility model heat sink arrangement of being used for the brush DC controller for electric vehicle due to adopt press strip fixedly the metal-oxide-semiconductor replacement with the screw fixing mechanical mechanism of metal-oxide-semiconductor one by one, one not be used on radiator and bores so much screw hole, processing heat radiator just can save a lot of man-hours like this, cuts down expenses and reduces costs; Also need not require location accurate especially during its two installation, be convenient to assembling.
Compared with prior art, significant progress of the present utility model is:
(1) the utility model has reduced the controller external dimensions for the heat sink arrangement of brush DC controller for electric vehicle, saves material, reduces difficulty of processing, saves cost.
(2) to have overcome prior art middle controller volume too large for the utility model radiator of being used for the brush DC controller for electric vehicle, and the shortcoming device that assembling is inconvenient, be convenient to promote.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the common single metal-oxide-semiconductor mounting structure schematic diagram of prior art.
Fig. 2 is the three-phase bridge circuit schematic diagram.
Fig. 3 is the double metal-oxide-semiconductor scheme of installation of the utility model radiator of being used for the brush DC controller for electric vehicle.
Fig. 4 is the front view that the utility model is used for the radiator of brush DC controller for electric vehicle.
Fig. 5 is the left view that the utility model is used for the radiator of brush DC controller for electric vehicle.
Fig. 6 is the vertical view that the utility model is used for the radiator of brush DC controller for electric vehicle.
Fig. 7 is the press strip mechanical construction drawing of the utility model radiator of being used for the brush DC controller for electric vehicle.
Fig. 8 is that the double metal-oxide-semiconductor in both sides on the circuit board of the utility model radiator of being used for the brush DC controller for electric vehicle is the arrangement schematic diagram of back-to-back formula.
Fig. 9 is the vertical view that the utility model is used for the base of brush DC controller for electric vehicle.
Figure 10 is the front view that the utility model is used for the base of brush DC controller for electric vehicle.
Figure 11 is the left view that the utility model is used for the base of brush DC controller for electric vehicle.
In figure, 1. circuit board, 2. radiator, 3.MOS pipe, 4. press strip, the 5. screw via hole of fixed heat sink and base on radiator, 6. fixing press strip screw via hole on radiator, 7. base, 8. fixedly press strip screw hole, the 9. screw hole of fixed heat sink and base on base on press strip.
Embodiment
Embodiment illustrated in fig. 1 showing, the common single metal-oxide-semiconductor mounting structure of prior art is: metal-oxide-semiconductor 3 is fixed on radiator 2, and metal-oxide-semiconductor 3 and radiator 2 form a line the side that metal-oxide-semiconductor is reinforced at circuit board 1 namely single with screw more one by one.
Embodiment illustrated in fig. 2 showing, in figure, Q1, Q2, Q3, Q4, Q5 and Q6 represent respectively one group of metal-oxide-semiconductor, the three-phase bridge circuit principle is: Q1, Q2, Q3, Q4, Q5 and Q6 are six groups of metal-oxide-semiconductors, wherein Q1, Q2 are composed in series a pair of brachium pontis, Q3, Q4 are composed in series a pair of brachium pontis, Q5, Q6 are composed in series a pair of brachium pontis, three pairs of brachium pontis parallel connections, Q1, the Q2 output U motor U phase of joining, Q3, the Q4 output V motor V phase of joining, Q5, the Q6 output W motor W phase of joining, the G1 in Fig. 2, G2, G3, G4, G5, G6 are respectively the pwm signal of six tunnel driven MOS pipes.Usually according to the difference that drives dc brushless motor power, in the situation that select the quantity of the metal-oxide-semiconductor of using on each half-bridge brachium pontis of the identical three-phase bridge circuit of metal-oxide-semiconductor model can be different, in the situation that select the metal-oxide-semiconductor model identical, power of motor is larger, the quantity of metal-oxide-semiconductor used is more, otherwise fewer.But, if keep the quantity of the metal-oxide-semiconductor of using on each half-bridge brachium pontis of three-phase bridge circuit identical, just need to select the metal-oxide-semiconductor of different model.For example, rated power 10KW, rated voltage 72V dc brushless motor, its rated current is 139A, controller is by 4.5 times of overload capacity designs, requiring the controller power section to bear maximum current is 625A, consider that cost selects the metal-oxide-semiconductor of IRFB3607 model, it is 80A by maximum current that every IRFB3607 allows, so each brachium pontis of three-phase bridge circuit needs the metal-oxide-semiconductor of 12 IRFB3607 types.If power of motor increases or reduces, only need the greater or lesser metal-oxide-semiconductor of replacing capacity, still can keep each brachium pontis of three-phase bridge circuit only to need 12 metal-oxide-semiconductors, this has just improved the utilance of power circuit and radiator greatly, that is to say that the power of motor size does not affect the overall structure of controller of DC brushless motor power section, the metal-oxide-semiconductor that the utility model is selected for the radiator of brush DC controller for electric vehicle is encapsulation TO-220AB.Diode shown in figure is actual is inner at metal-oxide-semiconductor, and in figure, u, v, w represent the output of power section three-phase, with being wired on the dc brushless motor three phase connection.
Embodiment illustrated in fig. 3 showing, the double metal-oxide-semiconductor installation method that the utility model is used for the radiator of brush DC controller for electric vehicle is: metal-oxide-semiconductor 3 assigns into circuit board 1 by jack, then by press strip 4, metal-oxide-semiconductor 3 is fixed on radiator 2.Press strip 4 use screws tighten to push down metal-oxide-semiconductor 3, it is fixed on radiator 2, wherein screw passes and passes fixedly press strip screw via hole 6 of radiator from the press strip 4 in the outside, be screwed into the screw thread on inboard press strip 4, by tightening the screw, make press strip 4 extruding metal-oxide-semiconductors 3, itself and radiator 2 positions are fixed, then the screw via hole 5 by fixed heat sink on radiator and base is screwed in screw hole 10 on the base of base 7 with screw, and radiator 2 is fixed on base 7.In this figure, on radiator on the screw via hole 5 of fixed heat sink and base, radiator fixedly the screw hole 10 on press strip screw via hole 6 and base fail to show, can be referring to Fig. 4, Fig. 5 and Fig. 9.
Demonstration embodiment illustrated in fig. 4, forward sight the utility model are used for the radiator 2 of brush DC controller for electric vehicle, and the both sides of radiator 2 arrange respectively the screw via hole 5 of fixed heat sink and base on two radiators.The size of the numeral radiator front view of drawing with arrow in Fig. 5, T-shaped radiator lower end is thick is 10mm, the upper end height is 26mm, fixedly the vertical degree of depth of metal-oxide-semiconductor fluting is 15mm, screw via hole insulation tank diameter is 10mm, and the screw via diameter is 6.5mm, and it is 7mm that screw is crossed hole depth.
Demonstration embodiment illustrated in fig. 5, a left side is looked the utility model and is used for the radiator 2 of brush DC controller for electric vehicle, be provided with on the screw via hole 5 of fixed heat sink and base on radiator and radiator fixedly press strip screw via hole 6 on radiator 2, radiator 2 use screws are fixed on base 7 by the screw via hole 5 of fixed heat sink on radiator and base.The size of the digitized representation radiator of drawing with arrow in Fig. 6, it is 2.1mm that the press strip screw is crossed pore radius, middle seven hole center distance are that 28mm, centre distance radiator bottom, hole are 17.5mm, and two holes at two centre distance respectively are that 29mm, centre distance radiator two, hole are 6mm, apart from the radiator bottom, are 19.5mm near the De Kong center.
Demonstration embodiment illustrated in fig. 6, overlook the utility model and be used for the radiator 2 of brush DC controller for electric vehicle, metal-oxide-semiconductor 3 be fixed on radiator 2, be provided with the screw via hole 5 of fixed heat sink and base on radiator on radiator 2.The size of the digitized representation radiator of drawing with arrow in figure, radiator length is 238mm, the radiator bottom is wide is 52mm, top thickness is 12mm, fixedly the groove lateral depth opened of metal-oxide-semiconductor is 0.8mm, must length is 217.5mm, fixed screw via hole 5 spacings are 98mm, apart from two, are respectively 70mm.
Embodiment illustrated in fig. 7 showing, the mechanical structure of press strip 4 that the utility model is used for the radiator of brush DC controller for electric vehicle is: be provided with on nine press strips fixedly press strip screw hole 8 on a press strip 4, screw passed on press strip fixedly on press strip screw hole 8 and radiator fixedly press strip screw via hole 6 press strip 4 is fixed on radiator 2.Do not show on radiator 2 and radiator fixedly press strip screw via hole 6 in this figure, the position of radiator 2 can be referring to Fig. 3, and on radiator, fixedly press strip screw via hole 6 can be referring to Fig. 5.The digitized representation press strip size of drawing with arrow in Fig. 7, press strip length is 234mm, width is 15mm, it is 2.1mm that fixed screw is crossed pore radius, between middle seven holes, center distance is apart from being 28mm, centre distance press strip bottom 5.5mm, and two, two hole revenue centre is that 29mm, centre distance press strip bottom 7.5mm, centre distance press strip both sides are 4mm with nearest pitch of holes respectively.
Embodiment illustrated in fig. 8 showing, the arrangement that the utility model is back-to-back formulas for the double metal-oxide-semiconductor 3 in both sides on the circuit board of the radiator of brush DC controller for electric vehicle, wherein the first row metal-oxide-semiconductor 3 of upside is the arrangement of back-to-back formula with the second row metal-oxide-semiconductor 3 of upside, and the 3rd row's metal-oxide-semiconductor 3 of downside is the arrangement of back-to-back formula with the 4th row's metal-oxide-semiconductor of downside.Every row has 18 metal-oxide-semiconductors 3,36 metal-oxide-semiconductors 3 of upside, and 36 metal-oxide-semiconductors 3 of downside, totally 72 metal-oxide-semiconductors 3, present the arrangement of the double back-to-back formula in both sides.
Example shown in Figure 9 shows, overlook the base 7 that the utility model is used for the radiator 2 of brush DC controller for electric vehicle, the screw via hole 5 of screw by fixed heat sink on radiator and base tightens in the screw hole 9 of fixed heat sink and base on base, and radiator 2 is fixed on base 7.Do not show screw via hole 5 and the radiator 2 of fixed heat sink and base on radiator in this figure, on radiator, the position of the screw via hole 5 of fixed heat sink and base can be referring to Fig. 5, and the position of radiator 2 can be referring to Fig. 3.The size of the digitized representation radiator of drawing with arrow in Fig. 9, base length are 240mm, and the base width is 126mm, and the fixed screw pore radius is 3.25mm.
Example shown in Figure 10 shows, forward sight the utility model is used for the base 7 of the radiator 2 of brush DC controller for electric vehicle, the screw via hole 5 of screw by fixed heat sink on radiator and base tightens in the screw hole 9 of fixed heat sink and base on base, and radiator 2 is fixed on base 7.Do not show screw via hole 5 and the radiator 2 of fixed heat sink and base on radiator in this figure, on radiator, the position of the screw via hole 5 of fixed heat sink and base can be referring to Fig. 5, and the position of radiator 2 can be referring to Fig. 3.The size of the digitized representation radiator of drawing with arrow in Figure 10, base thickness are 4mm, and forward sight fixed screw holes center distance is respectively 32mm, 40mm, 32mm, and fixed screw holes centre distance base the right and left is 11mm.
Figure 11 has shown the left shape of the utility model for the base 7 of the radiator 2 of brush DC controller for electric vehicle of looking, and the position of radiator 2 can be referring to Fig. 3.It is 98mm that the size of the digitized representation radiator of drawing with arrow in Figure 11, a left side are looked the fixed screw holes center distance, and screw centre distance radiator rear and front end is 71mm.
Embodiment
The radiator that is used for the brush DC controller for electric vehicle according to Fig. 2～installation cost embodiment embodiment illustrated in fig. 11, during assembling, at first radiator 2 is fixed on base 7, afterwards metal-oxide-semiconductor 3 is arranged in radiator 2 both sides according to Fig. 3, arrangement will be got hold of height and width, in strict accordance with Fig. 4～Fig. 8 five width view illustrated dimension, arranges.Then the position of press strip 4 is set, and it is consistent that want in the hole of the hole of press strip 4 and radiator 2, so that install, screw is installed finally, screw is self-tapping screw, can save material like this, installs after screw the installation that can complete whole radiator for the brush DC controller for electric vehicle.
That in the present embodiment, metal-oxide-semiconductor 3 is selected is encapsulation TO-220AB, and all press strips 4, radiator 2 and base 7 are aluminums.
The radiator that processes by the present embodiment not only make the DC brushless controller volume reduce, dwindled size and also convenient at fit on, save time, also saved material, reduced cost, and can reach the purpose of heat radiation.
Components and parts related in above-described embodiment are all by commercially available, and the installation method of components and parts is that those skilled in the art grasps.
Claims (4)
1. be used for the heat sink arrangement of brush DC controller for electric vehicle, it is characterized in that: be a kind ofly to adopt double metal-oxide-semiconductor and adopt the fixedly heat sinking apparatus of metal-oxide-semiconductor of press strip, comprise circuit board, press strip, 72 metal-oxide-semiconductors, two radiators and base; Wherein, 72 metal-oxide-semiconductors are installed on circuit board, adopt the arrangement of the back-to-back formula of the double metal-oxide-semiconductor in both sides, all metal-oxide-semiconductors assign on circuit board by jack, then press strip is pressed metal-oxide-semiconductor with screw it is fixed on radiator, this fixing means is: pass screw hole on the press strip in the outside and the screw hole on radiator with screw, then be tightened in screw thread on inboard press strip, itself and heat sink location are fixed, and so latter two radiator is respectively fixed on base.
2. said heat sink arrangement for the brush DC controller for electric vehicle according to claim 1, it is characterized in that: the setting of 72 metal-oxide-semiconductors on described circuit board adopts the arrangement of the back-to-back formula of the double metal-oxide-semiconductor in both sides, up and down, first row metal-oxide-semiconductor and the row's spacing between the second row metal-oxide-semiconductor of upside are 10mm, row's spacing between the 3rd row's metal-oxide-semiconductor of downside and the 4th row's metal-oxide-semiconductor is 10mm, in every row, the spacing of adjacent mos pipe is 1.8mm, outermost metal-oxide-semiconductor in the double metal-oxide-semiconductor in circuit board both sides, up and down is that first row and the 4th row's metal-oxide-semiconductor are 9.75mm apart from circuit board up and down back gauge, all metal-oxide-semiconductors in four rows are left right-aligned, left side distance apart from circuit board is 8mm, right side distance apart from circuit board is 4mm, the upside of this circuit board is double is that first row MOS and second row MOS come to 36 metal-oxide-semiconductors, double i.e. the 3rd row MOS of the downside of this circuit board and the 4th row MOS are also 36 metal-oxide-semiconductors altogether, every row has 18 metal-oxide-semiconductors, wherein, the upside left side 12 metal-oxide-semiconductors side by side, be that 6, first row left side metal-oxide-semiconductor is that W goes up brachium pontis mutually with 6, second row left side metal-oxide-semiconductor, the downside left side corresponding with these 12 metal-oxide-semiconductors 12 metal-oxide-semiconductors side by side, namely the 3rd 6, the left side of row metal-oxide-semiconductor is that W descends brachium pontis mutually with the 4th 6, the left side of row metal-oxide-semiconductor, middle 12 metal-oxide-semiconductors side by side of upside, be that in the middle of first row, 6 metal-oxide-semiconductors are that V goes up brachium pontis mutually with middle 6 metal-oxide-semiconductors of second row, middle 12 metal-oxide-semiconductors side by side of the downside corresponding with these 12 metal-oxide-semiconductors, namely in the middle of the 3rd middle 6 metal-oxide-semiconductors of row and the 4th row, 6 metal-oxide-semiconductors are that V descends brachium pontis mutually, upside the right 12 metal-oxide-semiconductors side by side, be that 6 metal-oxide-semiconductors of 6, the right of first row metal-oxide-semiconductor and second row the right are that U goes up brachium pontis mutually, downside the right side by side 12 metal-oxide-semiconductors corresponding with these 12 metal-oxide-semiconductors, namely the 3rd 6, the right of row metal-oxide-semiconductor is that U descends brachium pontis mutually with the 4th 6 metal-oxide-semiconductors in row the right, drain electrode at the upside metal-oxide-semiconductor all is connected with radiator, this radiator is connected with the positive pole of DC power supply again, for it provides the anode input, wherein W phase and V draw respectively by two copper bars that are welded on circuit board respectively mutually, the negative pole of DC power supply is also introduced by the copper bar that is welded on circuit board, in the underside circuits plate, drain electrode with 24 metal-oxide-semiconductors in the downside left side, be the lower brachium pontis of W phase and V phase, insulate with radiator, and U descends 12 metal-oxide-semiconductor drain electrode discord radiators insulation of brachium pontis mutually, in order to from radiator, draw the U phase, concrete insulation measures is to descend mutually 24 metal-oxide-semiconductors of brachium pontis with empire cloth, metal-oxide-semiconductor drain electrode and radiator to be isolated in the W phase with V.
3. said heat sink arrangement for the brush DC controller for electric vehicle according to claim 1, it is characterized in that: the length of described circuit board is 226mm, wide is 124mm.
4. said heat sink arrangement for the brush DC controller for electric vehicle according to claim 1, it is characterized in that: that described metal-oxide-semiconductor is selected is encapsulation TO-220AB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203637991U CN203289821U (en) | 2013-06-24 | 2013-06-24 | Radiator device for direct current brushless electric car controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203637991U CN203289821U (en) | 2013-06-24 | 2013-06-24 | Radiator device for direct current brushless electric car controller |
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| Publication Number | Publication Date |
|---|---|
| CN203289821U true CN203289821U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203637991U Expired - Fee Related CN203289821U (en) | 2013-06-24 | 2013-06-24 | Radiator device for direct current brushless electric car controller |
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| CN (1) | CN203289821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280588A (en) * | 2014-09-24 | 2016-01-27 | 赣州市六合力电气科技有限公司 | Device for fixing and heat radiation of MOS transistors of motor controller |
-
2013
- 2013-06-24 CN CN2013203637991U patent/CN203289821U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280588A (en) * | 2014-09-24 | 2016-01-27 | 赣州市六合力电气科技有限公司 | Device for fixing and heat radiation of MOS transistors of motor controller |
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