CN201290089Y - Control device for series machine of electric vehicle - Google Patents
Control device for series machine of electric vehicle Download PDFInfo
- Publication number
- CN201290089Y CN201290089Y CNU2008200759055U CN200820075905U CN201290089Y CN 201290089 Y CN201290089 Y CN 201290089Y CN U2008200759055 U CNU2008200759055 U CN U2008200759055U CN 200820075905 U CN200820075905 U CN 200820075905U CN 201290089 Y CN201290089 Y CN 201290089Y
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- contactor
- controller
- control device
- external power
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Abstract
The utility model relates to a series motor control device, which comprises a controller, a reverse protection diode used for preventing a power supply from being connected reversely and protecting the controller, a directional contactor, a free-wheeling diode used for ensuring the safety of the coil of the directional contactor and a main contactor; an end of the reverse connecting protection diode and the positive pole of the main contactor are both connected with the positive pole of an external power supply, the negative pole of the main contactor is connected with the main controller, the directional contactor is connected with the main controller, an external reversing switch, an external motor and the free-wheeling diode, and the other end of the reverse connecting protection diode is connected with the other end of the external reversing switch, the main controller is also connected with the external power supply and the external motor, the other branch circuit of the main controller is back to the external power supply. The control device has the advantages of reverse protection, contactor protection and high reliability.
Description
Technical field
The utility model relates to a kind of serial excitation electromotor control device, and in particular, it is the serial excitation electromotor control device that is applied on the motor vehicle.
Background technology
Existing serial excitation electromotor control device; generally comprise controller and outside electrical connection member; thereby exist certain design defect effectively not protect the damage that causes control assembly parts to existing series machine control assembly; for example following situation: main contactor and directional contactor poor contact of contacts or adhesion cause damaging, the control wire harness is connected and improperly causes that misoperation, power line reversal connection cause that controller directly damages, the frequent directly impact of starting current main contactor contact, seriously reduce the contactor life-span.Phenomenon such as above-mentioned can cause the out of control or cisco unity malfunction of motor vehicle, and personal safety is damaged, and these are the more scabrous technical problems in electric motor car control field.
The content of utility model
The utility model has overcome deficiency of the prior art, and a kind of have reverse connecting protection, contactor protection and the high serial excitation electromotor control device that is used for motor vehicle of reliability are provided.
The technical scheme in the invention for solving the technical problem is: the serial excitation electromotor control device that is used for motor vehicle of the present utility model, comprise a controller, a reverse connecting protection diode that is used to prevent the described controller of power supply reverse connecting protection, a directional contactor, two fly-wheel diode and main contactors that are used to protect described directional contactor coil safety; The anodal positive pole that is connected external power source jointly of described reverse connecting protection diode one end and described main contactor; the negative pole of described main contactor is connecting described master controller; described directional contactor is connecting described master controller, outside reversing switch, outside motor respectively; with described fly-wheel diode; the other end of described reverse connecting protection diode connects the other end of described outside reversing switch; described master controller also connects external power source and external motor, and another branch road of described master controller is got back to external power source.
The technical scheme that the utility model can also be taked is: described controller also is connected with an accelerator, the velocity of rotation that described accelerator is regulated described motor by described controller, the described accelerator other end links to each other with the link of described reverse connecting protection diode and described outside reversing switch; Also connect a shunt that is used to gather described controller loop current on the branch road between described controller and the external power source; Also link to each other on the described main contactor and be connected to a pre-charge resistance and a coil fly-wheel diode that is used to protect described main contactor coil safety that is used to protect described main contactor contact safety; Also be connected with the main safeties of 175A-400A between described main contactor and the external power source; Also be connected with the safeties of 10A between described reverse connecting protection diode and the external power source; Described main contactor fills the nitrogen contactor for sealing.
The utility model compared with prior art, the performance of its beneficial effect is as follows:
Control has adopted on the assembly sealing to fill the contactor of nitrogen arc extinguishing technology, has adopted pre-charge resistance simultaneously, and the pressure drop of two contacts is reduced, and can avoid to greatest extent because the contactor adhesion that the contacts of contactor arcing causes.
Also having adopted on the coil of contactor has simultaneously increased fly-wheel diode, effectively protects the coil of contactor, avoids the damage of contactor coil.
1. accumulator anode and cathode connects inverse time; utilize characteristic that the reversal connection diode reverse ends that the power supply signal of control circuit is ended; the coil of main contactor can not get power supply signal causes main contactor not work, and main control loop is in open-circuit condition, thereby has effectively protected controller.
2. pre-charge resistance reduces the peak current and the pressure drop of main contact contact, can avoid to greatest extent because contacts of contactor arcing electric shock and big electric current are overheated, thereby avoid the damages such as adhesion, ablation of main contactor contact.
3. protect contactor coil with the fly-wheel diode of main contactor and reverse contactor, reduced the vehicle trouble rate.
4. the nitrogen contactor is filled in the sealing of Cai Yonging, has avoided dust, aqueous vapor, oxidizing substance to enter, and that the contact also is not easy is dirty, knot carbon, oxidation, rotten, avoids the infringement of electric arc to contacts of contactor.
5.175A-400A main insurance has effectively protected the controller of main current loop and components and parts to damage, and has also protected motor.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is a circuit diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
As Fig. 1-2, the serial excitation electromotor control device that is used for motor vehicle of the present utility model, comprise a controller KZQ, a reverse connecting protection diode D1 who is used to prevent the described controller KZQ of power supply reverse connecting protection, a directional contactor KM2, be used to protect sustained diode 3, D4 and a main contactor KM1 of described directional contactor KM2 coil safety; The anodal positive pole that is connected external power source jointly of described reverse connecting protection diode D1 one end and described main contactor KM1; the negative pole of described main contactor KM1 is connecting described controller KZQ; described directional contactor KM2 is connecting described controller KZQ, outside reversing switch S4, outside motor M respectively; with described sustained diode 5, D6; the other end of described reverse connecting protection diode D1 connects the other end of described outside reversing switch S4; described controller KZQ also connects external power source and external motor M, and another branch road of described controller KZQ is got back to external power source.
Described controller KZQ also is connected with an accelerator EP, described accelerator EP regulates the velocity of rotation of described motor M by described controller KZQ, and the described accelerator EP other end links to each other with the link of described reverse connecting protection diode D1 and described outside reversing switch S4; Also connect a shunt R3 who is used to gather described controller loop current on the branch road between described controller KZQ and the external power source; Also link to each other on the described main contactor KM1 and be connected to a pre-charge resistance R1 and a coil sustained diode 3 that is used to protect described main contactor KM1 coil safety that is used to protect described main contactor KM1 contact safety; Also be connected with the main safeties F1 of 175A-400A between described main contactor KM1 and the external power source; Also be connected with the safeties F2 of 10A between described reverse connecting protection diode D1 and the external power source; Described main contactor KM1 fills the nitrogen contactor for sealing.
Concrete current trend of the present utility model is made up of main current loop, main control loop, commutation control loop etc., that is: main current loop comprises by battery positive voltage and setting out, through main safeties F1, main contactor KM1, controller KZQ, shunt R3, get back to battery terminal negative at last; Main control loop comprises main contactor coil KM1 (main contactor is connected with an accelerator EP), controller KZQ, and motor M; The commutation control loop comprises the reversing switch S4 and the insurance F2 of directional contactor KM2 (being connected with sustained diode 5, D6 on the directional contactor KM2), outside; In addition, main control loop is connected the accumulator anode and cathode of control loop insurance F2, anti-reverse diode D1, outside with commutation control loop two ends.1 pre-charge resistance R1 and coil sustained diode 3 in main contactor KM1 parallel connection.
As Fig. 2 circuit flow of the present utility model to being with the mode of connection:
Main current loop: flow out the positive terminal of receiving main contactor KM1 through main safeties F1 (175A-400A) by power supply, again by main contactor KM
1Negative terminal flow to the B+ binding post of controller KZQ and the A1 binding post of motor M respectively.The B+ binding post of controller KZQ passes through the B-binding post that controller KZQ inside flows to controller KZQ again then, is flowed back to the negative pole of power supply at last through the shunt R1 of 300A by the B-binding post of controller KZQ.
Control loop: flow to 10A insurance F2 by the positive pole of power supply through the reverse connecting protection diode, flow to main contactor KM through accelerator EP again
1Coil, flow to directional contactor KM through reversing switch S4 simultaneously
2Coil, flow back to the negative pole of power supply at last.By can know the flow direction analysis of circuit when B+ and B-connect inverse time since reverse connecting protection diode D1 oppositely by characteristic the power supply signal of control loop is ended main contactor KM
1Coil can not get power supply signal and cause main contactor not work, just with wooden utility model master's electricity loop for open-circuit condition, thereby effectively protected operate as normal of the present utility model.Because the use of pre-charge resistance and coil fly-wheel diode can be protected contactor to greatest extent, avoid the generation of contactor fault in normal operation.
Main contactor KM1 in the described main current loop fills the nitrogen contactor for sealing, has avoided dust, aqueous vapor, oxidizing substance to enter, and that the contact also is not easy is dirty, knot carbon, oxidation, rotten, avoids the infringement of electric arc to the main contactor contact.
Be connected to main current loop insurance F1 in the described main current loop; vehicle driving up overload and major loop are during by big electric current; can in time disconnect main current loop, can protect components and parts such as main current loop controller KZQ, main contactor KM1 to damage and circuit burns, reduce failure rate.
Pre-charge resistance R1 in main contactor contact KM parallel connection in the described main current loop, be used for before vehicle launch, being in advance the charging of the capacitance group in the controller KZQ, to guarantee that vehicle launch moment just can supply with major part electric current greatly by capacitance group, and needn't mainly provide by storage battery, reduce main contact contact KM
1Peak current and pressure drop, can avoid to greatest extent because contacts of contactor KM
1Arcing electric shock and big electric current are overheated, thereby have avoided main contactor contact KM
1Damage such as adhesion, ablation.
Utilize technical scheme described in the utility model, or the technical staff in wooden field designing the similar techniques scheme under the inspiration of technical solutions of the utility model, and reach above-mentioned technique effect, all is to fall into protection range of the present utility model.
Claims (7)
1. serial excitation electromotor control device that is used for motor vehicle, it is characterized in that: comprise a controller, a reverse connecting protection diode that is used to prevent the described controller of power supply reverse connecting protection, a directional contactor, two fly-wheel diode and main contactors that are used to protect described directional contactor coil safety;
The anodal positive pole that is connected external power source jointly of described reverse connecting protection diode one end and described main contactor; the negative pole of described main contactor is connecting described master controller; described directional contactor is connecting described master controller, outside reversing switch, outside motor respectively; with described fly-wheel diode; the other end of described reverse connecting protection diode connects the other end of described outside reversing switch; described master controller also connects external power source and external motor, and another branch road of described master controller is got back to external power source.
2. the serial excitation electromotor control device that is used for motor vehicle according to claim 1; it is characterized in that: described controller also is connected with an accelerator; the velocity of rotation that described accelerator is regulated described motor by described controller, the described accelerator other end links to each other with the link of described reverse connecting protection diode and described outside reversing switch.
3. the serial excitation electromotor control device that is used for motor vehicle according to claim 1 is characterized in that: also connect a shunt that is used to gather described controller loop current on the branch road between described controller and the external power source.
4. the serial excitation electromotor control device that is used for motor vehicle according to claim 1 is characterized in that: also linking to each other on the described main contactor is connected to a pre-charge resistance and a coil fly-wheel diode that is used to protect described main contactor coil safety that is used to protect described main contactor contact safety.
5. the serial excitation electromotor control device that is used for motor vehicle according to claim 1 is characterized in that: the main safeties that also are connected with 175A-400A between described main contactor and the external power source.
6. the serial excitation electromotor control device that is used for motor vehicle according to claim 1 is characterized in that: the safeties that also are connected with 10A between described reverse connecting protection diode and the external power source.
7. the serial excitation electromotor control device that is used for motor vehicle according to claim 1 is characterized in that: described main contactor fills the nitrogen contactor for sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200759055U CN201290089Y (en) | 2008-08-08 | 2008-08-08 | Control device for series machine of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200759055U CN201290089Y (en) | 2008-08-08 | 2008-08-08 | Control device for series machine of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201290089Y true CN201290089Y (en) | 2009-08-12 |
Family
ID=40981770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200759055U Expired - Fee Related CN201290089Y (en) | 2008-08-08 | 2008-08-08 | Control device for series machine of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201290089Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111246688A (en) * | 2018-11-28 | 2020-06-05 | 湖南中车时代电动汽车股份有限公司 | Control assembly for electric automobile |
-
2008
- 2008-08-08 CN CNU2008200759055U patent/CN201290089Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111246688A (en) * | 2018-11-28 | 2020-06-05 | 湖南中车时代电动汽车股份有限公司 | Control assembly for electric automobile |
| CN111246688B (en) * | 2018-11-28 | 2021-07-09 | 湖南中车时代电动汽车股份有限公司 | Control assembly for electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160204 Address after: 300308 Tianjin Binhai New Area of Tianjin free trade zone (Airport Economic Zone) ten West Road No. 1 Patentee after: Tianjin Santroll Electric Automobile Technology Co., Ltd. Address before: 300308 No., West ten road, airport logistics processing zone, Shanghai Patentee before: Tianjin Santroll Electric Science & Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090812 Termination date: 20170808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |