CN203416212U - Power module of large power motor controller, and large power motor controller - Google Patents
Power module of large power motor controller, and large power motor controller Download PDFInfo
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- CN203416212U CN203416212U CN201320462143.5U CN201320462143U CN203416212U CN 203416212 U CN203416212 U CN 203416212U CN 201320462143 U CN201320462143 U CN 201320462143U CN 203416212 U CN203416212 U CN 203416212U
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- machine controller
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Abstract
The utility model aims to solve a problem of damage to MOSFETs caused by unreliable current sharing effect of each parallel MOSFET existing in a large power motor controller in the prior art. The utility model provides a power module of a large power motor controller. The power module comprises a first PCB (Printed circuit board), wherein the first PCB is provided with a U-phase MOSFET module, a V-phase MOSFET module and a W-phase MOSFET module, each phase of MOSFET modules respectively comprises an MOSFET upper bridge comprising multiple MOSFETs and an MOSFET lower bridge comprising multiple MOSFETs, the first PCB is further provided with at least two anode wiring columns and at least two cathode wiring columns, one side of each phase of the MOSFET modules is provided with at least one anode wiring column, the other side of each phase of the MOSFET modules is provided with at least one cathode wiring column, the first PCB is further provided with a three-phase output wiring column, and the three-phase output wiring column is between the MOSFET upper bridge and the MOSFET lower bridge which are in each phase of the MOSFET modules. The utility module further provides the large power motor controller.
Description
Technical field
The utility model relates to a kind of electric machine controller, relates in particular to a kind of large power, electrically machine controller.
Background technology
MOSFET has the advantages such as switching speed is fast, conducting resistance is low with it, in electric machine controller, is used widely.Large power, electrically machine controller often needs a plurality of MOSFET to carry out parallel connection, existing large power, electrically machine controller is only that the simple tiling of a plurality of MOSFET is put together or adopted integrated MOS FET module, inconsistent due to drive circuit, device parameters, circuit layout like this, be easy to cause each paralleling MOS FET current-unbalance, make part MOSFET drain electrode bear overvoltage or overcurrent causes damaging, even can cause power model short circuit, explosion caused.The driver module of tradition large power, electrically machine controller adopts longer copper bar wire to be connected with power model is general, and will meet the installation requirements such as conductive current, safety factor, causes copper bar conductor structure complicated, installs and also acquires a certain degree of difficulty.Therefore existing electric machine controller is not suitable for the high-power applications occasion of low-voltage, large electric current.
Utility model content
The power model of large power, electrically machine controller of the present utility model, comprises the first pcb board; On described the first pcb board, be provided with U phase MOSFET module, V phase MOSFET module and W phase MOSFET module, described every phase MOSFET module comprises bridge under the upper bridge of the MOSFET being comprised of a plurality of MOSFET respectively and MOSFET; On described the first pcb board, be also provided with at least two positive terminals and at least two negative terminals, a side of described every phase MOSFET module is provided with at least one positive terminal, and opposite side is provided with at least one negative terminal; On described the first pcb board, be also provided with three-phase output wiring terminal, described three-phase output wiring terminal between the upper and lower bridge of MOSFET, is also provided with temperature sensor in every phase MOSFET module on described power model.
Power model of the present utility model, a plurality of MOSFET divide three-phase control module to be evenly arranged on the first pcb board, and every phase MOSFET module is divided into bridge under the upper bridge of MOSFET and MOSFET, rationally distributed, compact conformation; Positive and negative power supply binding post adopt distributed arrangement shown on the first pcb board, and arrange at the both sides of every phase MOSFET module compartment, make to be distributed in each positive and negative electrode binding post MOSFET around basic identical, each MOSFET is substantially isometric to the cabling of positive and negative electrode power-line terminal, thereby guaranteed the equal properties of flow of each paralleling MOS FET, during work, can not damage because indivedual MOSFET bear overcurrent or overvoltage.The utility model is arranged on U, V, W three-phase output wiring terminal in every phase MOSFET module between the upper and lower bridge of MOSFET, guaranteed the symmetry of the shortest and whole circuit of signal lead, each MOSFET is substantially equal to the distance of three-phase output wiring terminal, the equal properties of flow that has effectively improved each MOSFET, has improved job stability and useful life.
Under preferable case, under the upper bridge of described MOSFET and MOSFET, in bridge, the quantity of MOSFET is 12.
Under preferable case, described positive pole and negative terminal are respectively 4, and a side of described every phase MOSFET module is provided with two positive terminals, and opposite side is provided with two negative terminals.
Another object of the present utility model is to provide a kind of large power, electrically machine controller, comprises above-mentioned power model, and is positioned at the driver module on described power model; Described driver module comprises the second pcb board, on described the second pcb board, be provided with the through hole corresponding with positive and negative electrode binding post on the first pcb board, positive and negative electrode binding post on described power model wears described the second pcb board top by the through hole on the second pcb board, on described the second pcb board, be also provided with a plurality of electric capacity, described a plurality of electric capacity is evenly distributed on positive and negative electrode binding post around and is connected with described positive and negative electrode binding post; Described large power, electrically machine controller also comprises the drive circuit for generation of pwm signal, and described drive circuit is electrically connected to the MOSFET on power model.
Large power, electrically machine controller of the present utility model, the separation design of employing power model and driver module, is provided with a plurality of MOSFET on power model, be provided with a plurality of electric capacity drive module setting on driver module above power model.Simultaneously, positive and negative terminal wears on driver module, realized the connection between electric capacity and MOSFET and power supply, capacitance profile formula is arranged in around each binding post, each electric capacity to distance between positive and negative terminal substantially equate and cabling the shortest, make each electric capacity can fast charging and discharging, to power model, supplement required electric energy in time.Whole controller architecture is compact, takies small volume.
Under preferable case, the MOSFET on described the first pcb board is connected with the electric capacity on described the second pcb board by positive and negative electrode binding post.
Under preferable case, described drive circuit is arranged on driver module, and described large power, electrically machine controller also comprises connector, and described drive circuit is electrically connected to the MOSFET on power model by connector.
Under preferable case, described connector comprises connector male end and connector female end, on described the first pcb board, be provided with connector male end, on described the second pcb board, be provided with connector female end, described connector male end and connector female end realize the electrical signal transfer of the first pcb board and the second pcb board after pegging graft.
Under preferable case, the number of described connector is three, and each connector male end is arranged on the first pcb board under the upper bridge of every phase MOSFET and MOSFET between bridge.
Under preferable case, the through hole of described the second pcb board is provided with copper washer around.
Under preferable case, described large power, electrically machine controller also comprises fin, and described fin is positioned at the first pcb board bottom.
Accompanying drawing explanation
fig. 1 is the vertical view of the utility model power model;
Fig. 2 is the end view of the utility model power model;
Fig. 3 is the stereogram of the utility model power model;
Fig. 4 is the vertical view of the utility model driver module;
Fig. 5 is the end view of the utility model driver module;
Fig. 6 is the stereogram of the utility model driver module;
Fig. 7 is the stereogram of the utility model electric machine controller;
Fig. 8 is the end view of the utility model electric machine controller.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
In the utility model, unless otherwise clearly defined and limited, term " is connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
The utility model provides a kind of power model of large power, electrically machine controller, as shown in Figure 1, Figure 2 and Figure 3, described power model 100 comprises the first pcb board 101, on the first pcb board 101, be provided with U phase MOSFET module 110, V phase MOSFET module 120 and W phase MOSFET module 130, described every phase MOSFET module comprises bridge under the upper bridge of MOSFET and MOSFET, as U phase MOSFET module 110 comprises bridge 112 under the upper bridge 111 of MOSFET and MOSFET, under the upper bridge of MOSFET or MOSFET, in bridge, a plurality of MOSFET113 are in parallel mutually.Hold and be intelligiblely, those skilled in the art can select according to actual conditions the number of MOSFET in every phase MOSFET module, as being applicable to the driver module of high-power control occasion in embodiment of the present utility model, adopt 12 MOSFET parallel connections, whole power model contains 72 MOSFET altogether.
On the first pcb board 101 of the utility model power model, be also provided with positive and negative electrode binding post, described positive and negative electrode binding post is distributed in around every phase MOSFET module.For guaranteeing that every MOSFET just arrives, the distance of negative terminal equates, just, the quantity of negative terminal should be selected according to the quantity of MOSFET, when the quantity of MOSFET is more, correspondingly, just, the quantity of negative terminal also should increase, and a side of every phase MOSFET module is provided with at least one positive terminal, opposite side is provided with at least one negative terminal, as an embodiment of the present utility model, while being provided with 72 MOSFET on power model 100, adopt four positive terminals 141, 142, 143 and 144, and four negative terminals 151, 152, 153 and 154.As shown in Figure 1, positive terminal 141 and 142 is arranged on a side of U phase MOSFET, negative terminal 151 and 152 is arranged on the opposite side of U phase MOSFET, and between U phase MOSFET and V phase MOSFET, positive terminal 143 and 144 is arranged between V phase MOSFET and W phase MOSFET, and negative terminal 153 and 154 is arranged on the join opposite side of terminal of W.During MOSFET negligible amounts on power model, also can adopt less positive and negative electrode binding post, as adopted two positive terminals and two negative terminals, adopt equally above-mentioned rule to carry out compartment and arrange, a side of every phase MOSFET module is provided with a negative or positive electrode binding post.When certainly, MOSFET quantity is more, also can adopt more positive and negative electrode binding post.Those skilled in the art can select according to actual conditions when design, guaranteeing that positive and negative terminal compartment distributes, and each MOSFET is under the prerequisite that the distance of positive and negative terminal equates and cabling is the shortest as far as possible, the particular location of certain binding post can be adjusted flexibly according to the factors such as size of the first pcb board.Power model 100 of the present utility model, three-phase MOSFET module is sequentially arranged on the first pcb board, positive and negative electrode binding post compartment is distributed in the both sides of every phase MOSFET module, make each MOSFET substantially equal to the distance of positive and negative terminal, guaranteed the equal properties of flow of each paralleling MOS FET, during work, can not damage because indivedual MOSFET bear overcurrent or overvoltage.On pcb board of the present utility model, be also provided with three-phase output wiring terminal, described three-phase output wiring terminal is 3 pairs, binding post 161,162 and 163 as shown in FIG., be separately positioned in every phase MOSFET module between MOSFET Shang Qiao and lower bridge, can make like this cabling the shortest, guarantee the current-sharing effect of each MOSFET simultaneously, improved the stability of Electric Machine Control.In the utility model, the drain electrode of each MOSFET113 connects positive terminal, and source electrode connects negative terminal, and each MOSFET in the upper bridge of MOSFET or lower bridge is in parallel.
The utility model also provides a kind of large power, electrically machine controller that comprises above-mentioned power model 100, described controller also comprises driver module, as shown in Figure 4, Figure 5 and Figure 6, described driver module 200 comprises the second pcb board 201, on described the second pcb board, be provided with through hole 202, the position of described through hole 202 is corresponding with the positive and negative terminal on the first pcb board, positive and negative terminal can wear the top of the second pcb board 201 by described through hole 202, driver module 200 is arranged on the top of power model 100 like this.Under preferable case, the number of the through hole 202 on the second pcb board 201 equates with the quantity of positive and negative electrode binding post and three-phase output wiring terminal, position is corresponding, described three-phase output wiring terminal 161,162 and 163 also wears the second pcb board 201 tops from through hole, is conveniently connected with U, V, the W tri-of motor.On described the second pcb board, be also provided with a plurality of electric capacity 203, described a plurality of electric capacity 203 is distributed in each positive and negative terminal around, can guarantee that like this each electric capacity 203 is the shortest to the cabling of positive and negative terminal, and distance is basic identical, play the effect of current-sharing, can make electric capacity discharge and recharge rapidly.Positive and negative terminal of the present utility model is connected with power supply, described power supply can be battery (not shown), electric capacity 203 is connected with the MOSFET on power model 100 by positive and negative terminal, supplemental current is provided while starting for MOSFET, after MOSFET closure, battery can be that electric capacity 203 charges by positive and negative terminal, for the startup next time of MOSFET is prepared.Because electric capacity 203 is distributed in around positive and negative terminal, there is current-sharing effect, discharge and recharge speed fast, can be MOSFET electric energy supplement fast, the in the situation that of power shortage all electric capacity again can be fast consistent charging.As shown in Figure 4, the surrounding of described each through hole 202 is provided with copper backing, and described copper backing 202 plays the effect of conduction, makes conducting medium contact evenly simultaneously, prevents from contacting the inhomogeneous phenomenon sparkling that causes.Those skilled in the art can be according to actual conditions designed, designed electric capacity 203 the concrete distribution shape on the second pcb board 201, as consider the factors such as size of the second pcb board 201, as long as meet electric capacity 203, be evenly distributed in around each positive and negative terminal, make each electric capacity 203 to the distance of positive and negative terminal substantially equate and cabling the shortest.Described electric capacity 203 is alminium electrolytic condenser.
Large power, electrically machine controller of the present utility model, as shown in Figure 7 and Figure 8, the second pcb board 201 of driver module is positioned at the top of the first pcb board 101 of power model, on described the second pcb board 201, be also provided with drive circuit (not shown), described drive circuit provides pwm pulse signal for the MOSFET on power model.Described the first pcb board is connected by connector 300 with the second pcb board, and described connector 300 comprises connector male end 301 and connector female end 302, and described male end 301 is arranged on the first pcb board 101, and female end 302 is arranged on the second pcb board 201.Described connector 300 is three, lay respectively near every phase MOSFET module, be preferably placed between every phase MOSFET Shang Qiao and lower bridge, can guarantee that so every road signal is the shortest to the cabling of each MOSFET in every phase MOSFET module, distance is basic identical, realize current-sharing effect, make MOSFET not fragile, improved the stability of Electric Machine Control.The pwm signal of described drive circuit output is connected with the grid of each MOSFET on power model by connector 300.The pwm pulse signal that adopts connector that drive circuit is produced passes to the MOSFET on power model, can guarantee that drive circuit is connected with the tight of power model, the stray inductance and the parasitic capacitance that in circuit, produce have been greatly reduced, thereby reduced the generation of parasitic oscillation, improved the stability that whole each components and parts of large power, electrically machine controller and signal transmit.
Electric machine controller of the present utility model also comprises fin 400, and described power model 100 and driver module 200 are successively set on fin 400, while working due to controller, can produce larger heat, increases the conduction that fin is conducive to heat.On power model of the present utility model, all right set temperature transducer, for detection of the temperature of power model.
Large power, electrically machine controller of the present utility model, components and parts adopt distributed and compartment design, have effectively improved the reliability of whole system and have driven proportionality action, and compact conformation, greatly reduces manufacturing cost.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within feature of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a power model for large power, electrically machine controller, is characterized in that, comprises the first pcb board; On described the first pcb board, be provided with U phase MOSFET module, V phase MOSFET module and W phase MOSFET module, described every phase MOSFET module comprises bridge under the upper bridge of the MOSFET being comprised of a plurality of MOSFET respectively and MOSFET; On described the first pcb board, be also provided with at least two positive terminals and at least two negative terminals, a side of described every phase MOSFET module is provided with at least one positive terminal, and opposite side is provided with at least one negative terminal; On described the first pcb board, be also provided with three-phase output wiring terminal, described three-phase output wiring terminal between the upper and lower bridge of MOSFET, is also provided with temperature sensor in every phase MOSFET module on described power model.
2. the power model of large power, electrically machine controller according to claim 1, is characterized in that, under the upper bridge of described MOSFET and MOSFET, in bridge, the quantity of MOSFET is 12.
3. the power model of large power, electrically machine controller according to claim 2, it is characterized in that, described positive pole and negative terminal are respectively 4, and a side of described every phase MOSFET module is provided with two positive terminals, and opposite side is provided with two negative terminals.
4. a large power, electrically machine controller, is characterized in that, comprises the power model as described in any one in claim 1-3, and is positioned at the driver module on described power model; Described driver module comprises the second pcb board, on described the second pcb board, be provided with the through hole corresponding with positive and negative electrode binding post on the first pcb board, positive and negative electrode binding post on described power model wears described the second pcb board top by the through hole on the second pcb board, on described the second pcb board, be also provided with a plurality of electric capacity, described a plurality of electric capacity is evenly distributed on positive and negative electrode binding post around and is connected with described positive and negative electrode binding post; Described large power, electrically machine controller also comprises the drive circuit for generation of pwm signal, and described drive circuit is electrically connected to the MOSFET on power model.
5. large power, electrically machine controller according to claim 4, is characterized in that, the MOSFET on described the first pcb board is connected with the electric capacity on described the second pcb board by positive and negative electrode binding post.
6. large power, electrically machine controller according to claim 4, it is characterized in that, described drive circuit is arranged on driver module, and described large power, electrically machine controller also comprises connector, and described drive circuit is electrically connected to the MOSFET on power model by connector.
7. large power, electrically machine controller according to claim 6, it is characterized in that, described connector comprises connector male end and connector female end, on described the first pcb board, be provided with connector male end, on described the second pcb board, be provided with connector female end, described connector male end and connector female end realize the electrical signal transfer of the first pcb board and the second pcb board after pegging graft.
8. large power, electrically machine controller according to claim 7, is characterized in that, the number of described connector is three, and each connector male end is arranged on the first pcb board under the upper bridge of every phase MOSFET and MOSFET between bridge.
9. large power, electrically machine controller according to claim 4, is characterized in that, the through hole of described the second pcb board is provided with copper washer around.
10. large power, electrically machine controller according to claim 4, is characterized in that, described large power, electrically machine controller also comprises fin, and described fin is positioned at the first pcb board bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320462143.5U CN203416212U (en) | 2013-07-31 | 2013-07-31 | Power module of large power motor controller, and large power motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320462143.5U CN203416212U (en) | 2013-07-31 | 2013-07-31 | Power module of large power motor controller, and large power motor controller |
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| Publication Number | Publication Date |
|---|---|
| CN203416212U true CN203416212U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320462143.5U Expired - Lifetime CN203416212U (en) | 2013-07-31 | 2013-07-31 | Power module of large power motor controller, and large power motor controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207550A (en) * | 2015-09-10 | 2015-12-30 | 肥东凯利电子科技有限公司 | Power motor controller |
| CN107112934A (en) * | 2015-01-12 | 2017-08-29 | 西门子公司 | The regulation of drive device |
-
2013
- 2013-07-31 CN CN201320462143.5U patent/CN203416212U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107112934A (en) * | 2015-01-12 | 2017-08-29 | 西门子公司 | The regulation of drive device |
| CN107112934B (en) * | 2015-01-12 | 2019-08-27 | 西门子公司 | The adjusting of driving device |
| CN105207550A (en) * | 2015-09-10 | 2015-12-30 | 肥东凯利电子科技有限公司 | Power motor controller |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |