CN202798486U - Alternating current controller and power modules thereof - Google Patents
Alternating current controller and power modules thereof Download PDFInfo
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- CN202798486U CN202798486U CN201220445283.7U CN201220445283U CN202798486U CN 202798486 U CN202798486 U CN 202798486U CN 201220445283 U CN201220445283 U CN 201220445283U CN 202798486 U CN202798486 U CN 202798486U
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- power supply
- supply terminal
- copper billet
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Abstract
The utility model provides an alternating current controller and power modules thereof. Each of the power module comprises a substrate, a first direct current power supply terminal, a second direct current power supply terminal and a current output terminal are arranged on the substrate, a plurality of first controllable switch devices are connected between the first direct current power supply terminal and the current output terminal, a plurality of second controllable switch devices are connected between the current output terminal and the second direct current power supply terminal, a first copper-coated block, a second copper-coated block and a third copper-coated block are arranged on the substrate, the first copper-coated block is electrically connected with the first direct current power supply terminal and arranged on an outer ring of the substrate, the second copper-coated block is electrically connected with the second direct current power supply terminal and located in the middle of the substrate, and the third copper-coated block is electrically connected with the current output terminal and located between the first copper-coated block and the second copper-coated block. The alternating current controller is provided with a bottom board, and three power modules are arranged on the bottom board. By means of the alternating current controller and the power modules thereof, uniform distribution of heat on the power modules is facilitated, and the service life of the power modules and the alternating current controller is prolonged.
Description
Technical field
The utility model relates to the vehicle accessory field, especially relates to the power model that a kind of alternating-current controller for battery vehicle and this very fast controller use.
Background technology
Battery vehicle because of its not burns gasoline produce power, have environmental protection, pollute little characteristics, at tourist attraction etc. the higher place of environmental requirement is widely used.Existing battery vehicle is provided with an alternating-current controller, is used for converting the DC power supply of storage battery output to three-phase alternating-current supply and drive motors rotation.
Existing alternating-current controller has a housing, and housing generally includes a base plate and is positioned at cover on the base plate, and housing surrounds a cavity, and the circuit board of alternating-current controller is installed in this cavity.Alternating-current controller generally includes power amplifier board, three power models and A.C. contactor, and three power models are fixed on the base plate usually, and power amplifier board is installed on the power model usually.
Alternating-current controller receives the direct current of storage battery output, and converts dc inverter to alternating current output, so each power model is used for to a phase power supply of motor output U, V, W three phase mains corresponding to a phase of three phase electric machine.Each power model is provided with two terminals that receive DC power supply, is respectively applied to receive cathode power supply and negative power supply, and is provided with current output terminal, to a phase output current signal of motor.And, need to arrange the gate-controlled switch device between two dc power supply terminals and current output terminal, namely power tube such as thyristor or IGBT etc., is used for direct current is controlled.
Because power tube produces a large amount of heats when work, and the distribution of power tube and inhomogeneous in the existing power model, the heat skewness and difficult in time being led away on the substrate of power model that cause like this power tube to produce, to cause excess Temperature on the substrate, affect the work of power tube, even also can affect the work of other devices of power model, cause the useful life of power model not long, thereby affect the useful life of alternating-current controller.
Summary of the invention
Main purpose of the present utility model provides the power model of the alternating-current controller that a kind of heat is evenly distributed at substrate.
Another purpose of the present utility model provides long alternating-current controller in a kind of useful life.
For realizing main purpose of the present utility model, the power model of the alternating-current controller that the utility model provides has substrate, substrate is provided with the first dc power supply terminal, the second dc power supply terminal and current output terminal, be connected with at least one first gate-controlled switch device between the first dc power supply terminal and current output terminal, be connected with at least one second gate-controlled switch device between current output terminal and the second dc power supply terminal, wherein, substrate be provided be electrically connected with the first dc power supply terminal first cover copper billet, be electrically connected with the second dc power supply terminal second cover copper billet and be electrically connected with current output terminal the 3rd cover copper billet, first covers on the outer ring that copper billet is arranged in substrate, second covers the middle part that copper billet is positioned at substrate, and the 3rd covers copper billet covers copper billet and second first and cover between the copper billet.
By such scheme as seen, cover copper billet with three and circularize distribution at substrate, the first gate-controlled switch device covers copper billet and the 3rd first and covers between the copper billet, the second gate-controlled switch device covers copper billet and second the 3rd and covers between the copper billet, and the current direction direction is consistent, and symmetrical on substrate, the heat that the gate-controlled switch device produces is also symmetrical on substrate, be conducive to heat and in time lead away, avoid heat skewness on the substrate, affect the useful life of alternating-current controller.
A preferred scheme is, the quantity of the quantity of the quantity of the first dc power supply terminal, the second dc power supply terminal and current output terminal is more than two, a plurality of the first dc power supply terminals cover copper billet by first and are electrically connected, a plurality of the second dc power supply terminals cover copper billet by second and are electrically connected, and a plurality of current output terminal cover copper billet by the 3rd and are electrically connected.
This shows, arrange the quantity of the first dc power supply terminal, the second dc power supply terminal and current output terminal a plurality of, be conducive to flowing to and flowing out of electric current, avoid forming large electric current and causing heat too to gather at some terminals, be conducive to the heat radiation of power model.
Further scheme is, a plurality of the first gate-controlled switch devices are arranged in a straight line at substrate, and a plurality of the second gate-controlled switch devices are arranged in a straight line at substrate.
As seen, a plurality of gate-controlled switch devices are arranged in a straight line, it is symmetrical on substrate to be conducive to the gate-controlled switch device, avoids the heat undue concentration.
For realizing another above-mentioned purpose, the alternating-current controller that the utility model provides comprises base plate, three power models are installed on the base plate, each power model has substrate, substrate is provided with the first dc power supply terminal, the second dc power supply terminal and current output terminal, be connected with at least one first gate-controlled switch device between the first dc power supply terminal and current output terminal, be connected with at least one second gate-controlled switch device between current output terminal and the second dc power supply terminal, wherein, substrate be provided be electrically connected with the first dc power supply terminal first cover copper billet, be electrically connected with the second dc power supply terminal second cover copper billet and be electrically connected with current output terminal the 3rd cover copper billet, first covers on the outer ring that copper billet is arranged in substrate, second covers the middle part that copper billet is positioned at substrate, and the 3rd covers copper billet covers copper billet and second first and cover between the copper billet.
By such scheme as seen, cover the annular spread of copper billet on substrate by three on the power module substrate of alternating-current controller, be conducive to the even distribution of a plurality of gate-controlled switch devices on substrate, also be conducive to the even distribution of heat, avoid heat accumulation and affect useful life of gate-controlled switch device, prolong the useful life of power model and alternating-current controller.
Description of drawings
Fig. 1 is the structure chart of the utility model alternating-current controller embodiment.
Fig. 2 is the structure chart after the utility model alternating-current controller embodiment removes cover.
Fig. 3 is the STRUCTURE DECOMPOSITION figure of base plate, power model, power amplifier board and Hall element among the utility model alternating-current controller embodiment.
Fig. 4 is the electrical schematic diagram of power cell among the utility model alternating-current controller embodiment.
Fig. 5 is the structure enlarged drawing of the utility model power model embodiment.
Fig. 6 is the layout of the utility model power model embodiment circuit board.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
Referring to Fig. 1, alternating-current controller has a base plate 10 and is positioned at cover 15 on the base plate 10, and base plate 10 and cover 15 surround an airtight cavity, and circuit board and the element of alternating-current controller are installed in the cavity.
Referring to Fig. 2 and Fig. 3, three power models 20,30,31 are installed on the base plate 10, at three power models 20,30,31 power amplifier board 40 is installed, at power amplifier board 40 three Hall elements 35,36,37 are installed, and are provided with two A.C. contactors 16,17 in a side of power amplifier board 40.The assembling of alternating-current controller uses a plurality of screws 50 to assemble, and each screw passes the through hole on power amplifier board 40 and the power model 20,30,31, thereby power amplifier board 40, power model 20,30,31 are fixed on the base plate 10.
Power amplifier board 40 and three power models 20,30,31 consist of the power cell of alternating-current controllers, be used for the direct current of input is changed into suitable alternating current and outputs to motor, thus the operation of control motor.Referring to Fig. 4, power cell has two dc power supply terminals, is respectively anodal dc power supply terminal B+ and negative pole dc power supply terminal B-, receives respectively anodal direct current and the negative pole direct current of storage battery output.Power cell has three current output terminal, corresponds respectively to U, V, the W three-phase of motor, is used for the three-phase output current to motor.
Power cell has a plurality of thyristors and a plurality of diode, only schematically be expressed as six among Fig. 4, thyristor T1 is in parallel with diode D1, it is connected between anodal dc power supply terminal B+ and the U phase current lead-out terminal, thyristor T2 is in parallel with diode D2, is connected between U phase current lead-out terminal and the negative pole dc power supply terminal B-.Thyristor T1, T2 and diode D1, D2 and U phase current lead-out terminal form a brachium pontis, the electric current of output U phase.
In the same manner, thyristor T3, T4 and diode D3, D4 and V phase current lead-out terminal form another brachium pontis, the electric current of output V phase, and thyristor T5, T6 and diode D5, D6 and W phase current lead-out terminal form the 3rd brachium pontis, the electric current of output W phase.
Each power model 20,30,31 is exactly a brachium pontis, and the output three phase electric machine is the electric current of a phase wherein, the operation of control motor.Because each power model 20,30,31 structure are all identical with circuit, the below describes as an example of power model 20 example.
Referring to Fig. 5, power model 20 has a substrate 21, is fixed with a binding post 24 at substrate 21, and binding post 24 is inverted T shape, has the edge perpendicular to the upwardly extending cylinder 25 of the direction of substrate 21.Nearby be provided with a field effect transistor 26 at binding post 24, field effect transistor 26 has the edge perpendicular to the upwardly extending many pin twos 7 of the direction of substrate 21.
Also be provided with nine strutting pieces 22 on substrate 21, each strutting piece 22 is made of metal, and is electrically connected with the copper that covers on the substrate 21.Each strutting piece 22 roughly is cylindric, and its axis is perpendicular to substrate 21 planes.Each strutting piece 22 includes anodal dc power supply terminal, negative pole dc power supply terminal and current output terminal all as power model 20 and the outside terminal that carries out signal of telecommunication input and output.In addition, also be provided with thyristor 28 on the substrate 21, thyristor is as the gate-controlled switch device of present embodiment, by the control to thyristor 28, and can be with converting direct-current power into alternating-current power.
Referring to Fig. 3, power amplifier board 40 has a substrate 41, offers a plurality of through holes 48 at substrate 41, and the periphery of each through hole 48 has a circle metallic gasket 49, is used for being electrically connected with the copper that covers on the substrate 41.And each through hole 48 two surfaces is equipped with metallic gasket 49 at substrate about in the of 41.Like this, after power amplifier board 40 was installed on the power model 20, the metallic gasket 49 that is positioned at substrate 41 lower surfaces docked with the upper surface of strutting piece 22, thereby realized being electrically connected between the device of power amplifier board 40 and power model 20.
Referring to Fig. 6, substrate 21 is provided with six anodal dc power supply terminal B11, B12, B13, B14, B15, B16, and substrate 21 be provided be electrically connected with six anodal dc power supply terminal B11, B12, B13, B14, B15, B16 cover copper billet 51, therefore, six anodal dc power supply terminal B11, B12, B13, B14, B15, B16 are electrically connected by covering copper billet 51.As seen from Figure 6, cover the outer ring that copper billet 51 is positioned at substrate 21.
Also be provided with three negative pole dc power supply terminal B21, B22, B23 on the substrate 21, and also be provided with on the substrate 21 be electrically connected with three negative pole dc power supply terminal B21, B22, B23 cover copper billet 52, therefore three negative pole dc power supply terminal B21, B22, B23 are electrically connected by covering copper billet 52, cover the middle part that copper billet 52 is positioned at substrate 52.
Simultaneously, also be provided with the sub-U1 of current output terminal, the U2 of two U phases on the substrate 21, two the sub-U1 of current output terminal, U2 are electrically connected with the copper billet 53 that covers on the substrate 21, and two the sub-U1 of current output terminal, U2 are electrically connected by covering copper billet 53.And, cover copper billet 53 and covering copper billet 51 and covering between the copper billet 52.
Be provided with the welding position 29 of a plurality of thyristors 28 at substrate 21, wherein a part of thyristor 28 is welded on and covers copper billet 51 and cover between the copper billet 53, these thyristors are the first gate-controlled switch device, be distributed in the outer ring of substrate 21, namely be positioned at the top of covering copper billet 51, these the first gate-controlled switch devices are connected in parallel, and are arranged in two straight lines.Some thyristor 28 is welded on and covers copper billet 53 and cover between the copper billet 52, and these thyristors are the second gate-controlled switch device, and a plurality of the second gate-controlled switch devices also are connected in parallel, and also are to be arranged in two straight lines, are positioned at the top of covering copper billet 53.
Because the electric current of storage battery flows to current output terminal from anodal dc power supply terminal, and from the current output terminal subflow to the negative pole dc power supply terminal, and a plurality of thyristors 28 are evenly distributed on the substrate 21, electric current flows symmetrically at substrate 21, the heat that produces evenly distributes on substrate 21, avoid the heat undue concentration and cause thyristor 28 excess Temperatures and useful life too short, and then prolong useful life of power model and alternating-current controller.
Certainly, above-mentioned execution mode only be the utility model preferred embodiment, during practical application, the utility model can also have more variation, for example, with anodal dc power supply terminal and be electrically connected with it cover the centre that copper billet is arranged on substrate, and with the negative pole dc power supply terminal reach be electrically connected with it cover the outer ring that copper billet is arranged on substrate, the i.e. location swap of anodal dc power supply terminal and negative pole dc power supply terminal; Perhaps, the quantity of anodal dc power supply terminal, negative power supply dc terminal, current output terminal be set to three or more than, such change also can realize the purpose of this utility model.
It is emphasized that at last the utility model is not limited to above-mentioned execution mode, as cover the change of copper billet shape, the variations such as change of thyristor quantity also should be included in the protection range of the utility model claim.
Claims (10)
1. the power model of alternating-current controller comprises
Substrate, described substrate is provided with the first dc power supply terminal, the second dc power supply terminal and current output terminal, be connected with at least one first gate-controlled switch device between described the first dc power supply terminal and described current output terminal, be connected with at least one second gate-controlled switch device between described current output terminal and described the second dc power supply terminal;
It is characterized in that:
Described substrate be provided be electrically connected with described the first dc power supply terminal first cover copper billet, be electrically connected with described the second dc power supply terminal second cover copper billet and be electrically connected with described current output terminal the 3rd cover copper billet, described first covers on the outer ring that copper billet is arranged in described substrate, described second covers the middle part that copper billet is positioned at described substrate, and the described the 3rd covers copper billet covers copper billet and described second described first and cover between the copper billet.
2. the power model of alternating-current controller according to claim 1 is characterized in that:
The quantity of the quantity of the quantity of described the first dc power supply terminal, described the second dc power supply terminal and described current output terminal is more than two, a plurality of described the first dc power supply terminals cover copper billet by described first and are electrically connected, a plurality of described the second dc power supply terminals cover copper billet by described second and are electrically connected, and a plurality of described current output terminal cover copper billet by the described the 3rd and are electrically connected.
3. the power model of alternating-current controller according to claim 1 and 2 is characterized in that:
Described the first dc power supply terminal is anodal dc power supply terminal, and described the second dc power supply terminal is the negative pole dc power supply terminal.
4. the power model of alternating-current controller according to claim 1 and 2 is characterized in that:
A plurality of described the first gate-controlled switch devices are connected in parallel, and a plurality of described the second gate-controlled switch devices are connected in parallel.
5. the power model of alternating-current controller according to claim 1 and 2 is characterized in that:
A plurality of described the first gate-controlled switch devices are arranged in a straight line at described substrate, and a plurality of described the second gate-controlled switch devices are arranged in a straight line at described substrate.
6. alternating-current controller comprises
Base plate is equipped with three power models on the described base plate, each described power model has
Substrate, described substrate is provided with the first dc power supply terminal, the second dc power supply terminal and current output terminal, be connected with at least one first gate-controlled switch device between described the first dc power supply terminal and described current output terminal, be connected with at least one second gate-controlled switch device between described current output terminal and described the second dc power supply terminal;
It is characterized in that:
Described substrate be provided be electrically connected with described the first dc power supply terminal first cover copper billet, be electrically connected with described the second dc power supply terminal second cover copper billet and be electrically connected with described current output terminal the 3rd cover copper billet, described first covers on the outer ring that copper billet is arranged in described substrate, described second covers the middle part that copper billet is positioned at described substrate, and the described the 3rd covers copper billet covers copper billet and described second described first and cover between the copper billet.
7. according to claim 6 alternating-current controller is characterized in that:
The quantity of the quantity of the quantity of described the first dc power supply terminal, described the second dc power supply terminal and described current output terminal is more than two, a plurality of described the first dc power supply terminals cover copper billet by described first and are electrically connected, a plurality of described the second dc power supply terminals cover copper billet by described second and are electrically connected, and a plurality of described current output terminal cover copper billet by the described the 3rd and are electrically connected.
8. it is characterized in that according to claim 6 or 7 described alternating-current controllers:
Described the first dc power supply terminal is anodal dc power supply terminal, and described the second dc power supply terminal is the negative pole dc power supply terminal.
9. it is characterized in that according to claim 6 or 7 described alternating-current controllers:
A plurality of described the first gate-controlled switch devices are connected in parallel, and a plurality of described the second gate-controlled switch devices are connected in parallel.
10. it is characterized in that according to claim 6 or 7 described alternating-current controllers:
A plurality of described the first gate-controlled switch devices are arranged in a straight line at described substrate, and a plurality of described the second gate-controlled switch devices are arranged in a straight line at described substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220445283.7U CN202798486U (en) | 2012-09-03 | 2012-09-03 | Alternating current controller and power modules thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220445283.7U CN202798486U (en) | 2012-09-03 | 2012-09-03 | Alternating current controller and power modules thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202798486U true CN202798486U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220445283.7U Expired - Lifetime CN202798486U (en) | 2012-09-03 | 2012-09-03 | Alternating current controller and power modules thereof |
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| Country | Link |
|---|---|
| CN (1) | CN202798486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697846A (en) * | 2020-06-10 | 2020-09-22 | 中国第一汽车股份有限公司 | Motor controller and vehicle |
-
2012
- 2012-09-03 CN CN201220445283.7U patent/CN202798486U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697846A (en) * | 2020-06-10 | 2020-09-22 | 中国第一汽车股份有限公司 | Motor controller and vehicle |
| CN111697846B (en) * | 2020-06-10 | 2021-08-24 | 中国第一汽车股份有限公司 | Motor controller and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 519085, B building, No. 18, No. seven road, Tang Wan Town, Xiangzhou District, Guangdong, Zhuhai, China 5 Patentee after: ZHUHAI ENPOWER ELECTRIC Co.,Ltd. Address before: 519085, B building, No. 18, No. seven road, Tang Wan Town, Xiangzhou District, Guangdong, Zhuhai, China 5 Patentee before: ZHUHAI ENPOWER ELECTRIC Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term |