CN201142673Y - Solid-state switch for DC circuit of electric vehicle - Google Patents
Solid-state switch for DC circuit of electric vehicle Download PDFInfo
- Publication number
- CN201142673Y CN201142673Y CNU2007200152194U CN200720015219U CN201142673Y CN 201142673 Y CN201142673 Y CN 201142673Y CN U2007200152194 U CNU2007200152194 U CN U2007200152194U CN 200720015219 U CN200720015219 U CN 200720015219U CN 201142673 Y CN201142673 Y CN 201142673Y
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- CN
- China
- Prior art keywords
- switch
- solid
- circuit
- charger
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to a solid-state switch for a DC circuit of an electric car, which comprises a motor or a charger and a switch, wherein the switch adopts a traction switch (Q) which is connected with the motor or the charger in series; and a brake switch (Z) connected in parallel with the motor or the charger. The traction switch (Q) and the brake switch (Z) can adopt IGBT elements or power MOS tubes. And a solid-state switch taking a novel device IGBT and a power MOS tube as cores realizes on-off control of a direct current power circuit. The utility model has the characteristics of switching speed is fast, and input power is little, and drive power is big etc, IGBT and power MOS pipe can be applicable to high-voltage and low voltage direct current circuit respectively.
Description
Technical field
The utility model belongs to a kind of solid-state switch, especially the DC electronic power solid-state switch of Electric.
Background technology
Be used for high power DC circuit such as electric car traction circuit, using the break-make of electromagnetic switch control circuit shown in Figure 1 always, having that volume is big, defect of high cost.
Summary of the invention
The utility model relates to the Electric DC electronic power solid-state switch that a kind of volume is little, cost is low.
The solid-state switch that is used for the electric car direct current circuit of the present utility model comprises motor or charger, and switch, and described switch adopts the traction switch with motor in series; With the brake switch in parallel with motor or charger.
Described traction switch, brake switch can adopt IGBT element or power MOS pipe.
The alternative electromagnetic switch of the utility model, be a kind of be the solid-state switch of core with new device IGBT and power MOS pipe, be used for the DC circuit on the electric car, utilize electronic component to realize control to the direct current power connecting and disconnecting of the circuit.Have that switching speed is fast, input power is little, driving power is big, contactless, volume is little, in light weight, save characteristics such as production cost, long service life.
Description of drawings
Fig. 1 is the circuit diagram of electric car direct current circuit solid-state switch in the prior art.
Fig. 2 is the circuit diagram that the utility model electric car direct current circuit solid-state switch adopts the IGBT element.
Fig. 3 is the circuit diagram that the utility model electric car direct current circuit solid-state switch adopts power MOS pipe.
Embodiment
Shown in Fig. 2,3, be example with the motor, traction switch Q, brake switch Z use IGBT element or power MOS pipe, have replaced the function of switch on the structure fully, realize the control to the direct current power circuit.The utility model adopts electronic component, and IGBT and power MOS pipe can be applicable to the DC circuit of high pressure and low pressure respectively.The utilization electronic switching element substitutes the dc switch in DC circuit and the similar Electric DC circuit, realizes the break-make control to the direct current power circuit.The circuit connection of charger and Fig. 2,3 similar substitute motor with charger and get final product, and repeat no more.In addition, this solid-state switch also can be used for other control panel of electric car.
Claims (3)
1. a solid-state switch that is used for the electric car direct current circuit comprises motor or charger, and switch, it is characterized in that: the traction switch (Q) that described switch employing is connected with motor or charger; With the brake switch (Z) in parallel with motor or charger.
2. solid-state switch according to claim 1 is characterized in that: described traction switch (Q), brake switch (Z) can adopt the IGBT element.
3. solid-state switch according to claim 1 is characterized in that: described traction switch (Q), brake switch (Z) can adopt power MOS pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200152194U CN201142673Y (en) | 2007-10-10 | 2007-10-10 | Solid-state switch for DC circuit of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200152194U CN201142673Y (en) | 2007-10-10 | 2007-10-10 | Solid-state switch for DC circuit of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201142673Y true CN201142673Y (en) | 2008-10-29 |
Family
ID=40070381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200152194U Expired - Lifetime CN201142673Y (en) | 2007-10-10 | 2007-10-10 | Solid-state switch for DC circuit of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201142673Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497146A (en) * | 2011-12-15 | 2012-06-13 | 枣庄联鑫实业有限责任公司 | Explosion-proof chopped wave speed-regulating controller for storage battery electric locomotive |
-
2007
- 2007-10-10 CN CNU2007200152194U patent/CN201142673Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497146A (en) * | 2011-12-15 | 2012-06-13 | 枣庄联鑫实业有限责任公司 | Explosion-proof chopped wave speed-regulating controller for storage battery electric locomotive |
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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 | ||
| CP02 | Change in the address of a patent holder |
Address after: 48, Jiangdong Street, Yalu River, Yuhong District, Liaoning, Shenyang: 110032 Patentee after: Rong Jifeng Address before: Wencui Road in Dongling District of Shenyang city of Liaoning Province, No. 81-3, zip code: 110015 Patentee before: Rong Jifeng |
|
| C56 | Change in the name or address of the patentee |
Owner name: RONG JIFENG Free format text: NEW ADDRESS: NO. 48, YALU STREET(EAST), YU HONG DISTRICT, SHENYANG CITY, LIAONING PROVINCE, ZIP CODE:110032 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081029 |