CN201190610Y - Automobile brushless electric fuel pump - Google Patents
Automobile brushless electric fuel pump Download PDFInfo
- Publication number
- CN201190610Y CN201190610Y CNU2008201126825U CN200820112682U CN201190610Y CN 201190610 Y CN201190610 Y CN 201190610Y CN U2008201126825 U CNU2008201126825 U CN U2008201126825U CN 200820112682 U CN200820112682 U CN 200820112682U CN 201190610 Y CN201190610 Y CN 201190610Y
- Authority
- CN
- China
- Prior art keywords
- direct current
- current motor
- fuel pump
- motor
- brushless electric
- 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
Links
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a brushless electric injection fuel pump of an automobile, which comprises a fuel pump housing, an electric injection fuel pump body and a direct-current motor are arranged in the housing; the direct-current motor is connected with a controller which controls the operation of the direct-current motor; and the controller is provided with a back electromotive force control commutation circuit which controls the commutation of the direct-current motor. The utility model overcomes the defects of complicated structure and unstability, multiple faults and short service life of a brush motor, and also overcomes the defects of large volume and complicated installation of a brushless motor with a position sensor. The brushless electric injection fuel pump of an automobile, which is provided by the utility model, has the advantages of accurate commutation control, small volume and simple structure and stability.
Description
Technical field
The utility model relates to a kind of high pressure fluid pump of motorized motions, relates in particular to the brushless electric-spraying fuel pump of all automobiles, and this pump is delivered to the fuel in the fuel tanks of automobile in the motor car engine with the high pressure mode.
Background technique
Domestic and international automobile-used electric-spraying fuel pump mainly adopts the permanent magnetic brush DC motor to drive fuel pump work at present, the mechanical commutation that electric-spraying fuel pump adopts radial or end-surface type phase changer and brush to form with the permanent magnetic brush DC motor, its principle is: make direct current enter armature winding by brush and phase changer, produce electric current, armature mmf and main field interact and produce torque, drive the pump housing and run up.Yet, just because of there being contact part---the existence of brush and phase changer, there are a lot of defectives in this motor: 1. complex structure, instability, fault is many, the life-span is short (at present best EFI oil pump life at most about 8000 hours); 2. the commutation spark forms electromagnetic interference, when serious, influences other electrical equipment proper functioning in the car; 3. when in the car during fuel level in tank faulty sensor, the commutation spark can cause that fuel tank is on fire; 4. because the cleaning that carbon dust that phase changer and brush produce when the running friction and copper powder have had a strong impact on fuel, the working life of having reduced vehicular engine; 5. at present the whole world reduces the harm that motor vehicle emission brings to the mankind the pollution of atmosphere all for saving petroleum-based energy, and with hybrid type fuel gasoline replacing, but hybrid type fuel has bigger corrosion to phase changer and brush pigtail in the brush permanent magnet DC motor are arranged.
Also there is the minority automobile to adopt the brushless EFI oil pump of position sensor at present, position sensor is brushless, and the EFI oil pump is to adopt rotor-position sensor to carry out commutation, though it has solved the subproblem of brush motor, but because rotor-position sensor must be installed in the alternate position of staor winding, could convert the position signal of rotor magnetic steel magnetic pole to electrical signal, go to control the staor winding commutation then, therefore, rotor-position sensor must be installed in direct current generator inside, the existence of position transducer, the weight and the size of motor have been increased, be unfavorable for miniaturization, thereby this also certainly will bring the motor volume to cause greatly installation question in automobile, and the alternate position with stator of position transducer also requires accurately, otherwise can cause the on-stream deadlock of motor.
The model utility content
The technical problems to be solved in the utility model is to overcome brush motor complex structure, instability, short defective of many life-spans of fault, also overcome the defective that the motor volume is big, installation is complicated of position sensor, and a kind of precise control commutation, little, simple in structure, the stable automotive brushless electric-spraying fuel pump of volume are provided.
The utility model solves above-mentioned technical problem by the following technical programs: a kind of automotive brushless electric-spraying fuel pump, comprise oil pump case, be provided with the pump housing, the direct current motor of electric-spraying fuel pump in the housing, direct current motor is connected with the controller of control direct current motor work, described controller is provided with counterelectromotive force control commutation circuit, the commutation of counterelectromotive force control commutation circuit control direct current motor.
Counterelectromotive force control commutation circuit comprises counter electromotive force detection circuit, inverter, the inverter control circuit that is used to detect the dc motor rotor rotational position, wherein inverter is connected with direct current motor respectively with counter electromotive force detection circuit, counter electromotive force detection circuit detects the rotor-position of direct current motor, signal is transferred to inverter control circuit, the inverter control circuit control inverter provides electrical signal, makes the motor commutation.
Described controller is installed in the oil pump case.
Described controller is installed in outside the oil pump case.
Described direct current motor is the external rotor direct current motor.
Described direct current motor is the internal rotor direct current motor.
The utility model adopts counterelectromotive force control commutation circuit accurately to control the motor commutation, its principle is: after the DC Brushless Motor starting, be subjected to the effect of the Resultant magnetic field of staor winding generation, rotor rotates along certain orientation, be placed with armature winding on the direct current drive machine stator, therefore, rotor is in case rotation, will form the situation of conductor cutting magnetic line in the space, according to the law of electromagnetic induction as can be known, the conductor cutting magnetic line can produce induced potential in conductor, so, when rotor rotates, in staor winding, produce induced potential, be commonly referred to as counterelectromotive force.The utility model counterelectromotive force control commutation circuit comprises counter electromotive force detection circuit, inverter, the inverter control circuit that is used to detect the dc motor rotor rotational position, wherein inverter is connected with direct current motor respectively with counter electromotive force detection circuit, counter electromotive force detection circuit detects the rotor-position signal of direct current motor and gives inverter control circuit, the inverter control circuit control inverter provides electrical signal, makes the motor commutation.Omitted position transducer after adopting counterelectromotive force control commutation circuit, all control circuits are arranged on the printed circuit board in the controller, and encapsulate by the material of being able to bear strong corrosion, therefore volume is less, can be directly installed on the inside of oil pump case, simplify the motor body structure, also can be installed in other positions of the outside of oil pump case as required, help the miniaturization of motor, adapt to the mounting point on automobile.Direct current generator of the present utility model can be external rotor direct current generator or internal rotor direct current generator, and controller can be installed in the oil pump case and also can be installed in outside the oil pump case, and adaptability is very strong.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the utility model embodiment's a control block diagram;
Fig. 2 is the structural representation of first kind of mode of execution of the utility model;
Fig. 3 is the structural representation of second kind of mode of execution of the utility model.
Embodiment
As shown in Figure 1, direct current motor is connected with the controller of control direct current motor work, and described controller is provided with counterelectromotive force control commutation circuit, the commutation of counterelectromotive force control commutation circuit control direct current motor.Counterelectromotive force control commutation circuit comprises counter electromotive force detection circuit, inverter, the inverter control circuit that is used to detect the dc motor rotor rotational position, wherein inverter is connected with direct current motor respectively with counter electromotive force detection circuit, counter electromotive force detection circuit detects the rotor-position signal of direct current motor and gives inverter control circuit, the inverter control circuit control inverter provides electrical signal, makes the motor commutation.
Be the structural representation of a kind of mode of execution of automotive brushless electric-spraying fuel pump as shown in Figure 2, a kind of automotive brushless electric-spraying fuel pump, comprise oil pump case 10, be provided with the pump housing 20 of electric-spraying fuel pump in the oil pump case 10, direct current motor 41, direct current motor 41 is connected with the controller 50 of control direct current motor 41 work, direct current motor 41 is the external rotor direct current motor in the oil pump case 10, be provided with external rotor 43 in the electric machine casing 44, external rotor 43 is connected with oil pump assy 40, controller 50 inner control circuits are arranged on the printed circuit board, and encapsulate by the material of being able to bear strong corrosion, therefore volume is less, can be directly installed on the inside of oil pump case 10, also can be installed in other positions of the outside of oil pump case 10 as required.
Be the structural representation of second kind of mode of execution of automotive brushless electric-spraying fuel pump as shown in Figure 3, be provided with the pump housing 20 of electric-spraying fuel pump in the oil pump case 10, direct current motor 41, direct current motor 41 is connected with the controller 50 of control direct current motor 41 work, direct current motor 41 is the internal rotor direct current motor in the oil pump case 10, be provided with external rotor 42 in the electric machine casing 44, external rotor 42 is connected with oil pump assy 40, controller 50 is arranged on oil pump case 10 outsides, because controller 50 inner control circuits are arranged on the printed circuit board, and encapsulate by the material of being able to bear strong corrosion, therefore volume is less, also can be directly installed on the inside of oil pump case 10.
Claims (8)
1, the brushless electric-spraying fuel pump of a kind of automobile, comprise oil pump case, be provided with the pump housing, the direct current motor of electric-spraying fuel pump in the housing, direct current motor is connected with the controller of control direct current motor work, it is characterized in that, described controller is provided with counterelectromotive force control commutation circuit, the commutation of counterelectromotive force control commutation circuit control direct current motor.
2, automotive brushless electric-spraying fuel pump according to claim 1, it is characterized in that, counterelectromotive force control commutation circuit comprises counter electromotive force detection circuit, inverter, the inverter control circuit that is used to detect the dc motor rotor rotational position, wherein inverter is connected with direct current motor respectively with counter electromotive force detection circuit, counter electromotive force detection circuit detects the rotor-position of direct current motor, signal is transferred to inverter control circuit, the inverter control circuit control inverter provides electrical signal, makes the motor commutation.
3, automotive brushless electric-spraying fuel pump according to claim 1 and 2 is characterized in that, described controller is installed in the oil pump case.
4, automotive brushless electric-spraying fuel pump according to claim 1 and 2 is characterized in that, described controller is installed in outside the oil pump case.
5, automotive brushless electric-spraying fuel pump according to claim 3 is characterized in that, described direct current motor is the external rotor direct current motor.
6, automotive brushless electric-spraying fuel pump according to claim 3 is characterized in that, described direct current motor is the internal rotor direct current motor.
7, automotive brushless electric-spraying fuel pump according to claim 4 is characterized in that, described direct current motor is the external rotor direct current motor.
8, automotive brushless electric-spraying fuel pump according to claim 4 is characterized in that, described direct current motor is the internal rotor direct current motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201126825U CN201190610Y (en) | 2007-05-09 | 2008-04-16 | Automobile brushless electric fuel pump |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720119890.3 | 2007-05-09 | ||
| CN200720119890 | 2007-05-09 | ||
| CNU2008201126825U CN201190610Y (en) | 2007-05-09 | 2008-04-16 | Automobile brushless electric fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201190610Y true CN201190610Y (en) | 2009-02-04 |
Family
ID=40334770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201126825U Expired - Lifetime CN201190610Y (en) | 2007-05-09 | 2008-04-16 | Automobile brushless electric fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201190610Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213151A (en) * | 2011-05-17 | 2011-10-12 | 遵义天义利威机电有限责任公司 | Controller of non-position sensor direct current brushless electric fuel pump for automobile |
| CN102392770A (en) * | 2011-12-19 | 2012-03-28 | 宁波洛卡特汽车零部件有限公司 | Brushless electric fuel pump with built-in controller |
-
2008
- 2008-04-16 CN CNU2008201126825U patent/CN201190610Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213151A (en) * | 2011-05-17 | 2011-10-12 | 遵义天义利威机电有限责任公司 | Controller of non-position sensor direct current brushless electric fuel pump for automobile |
| CN102392770A (en) * | 2011-12-19 | 2012-03-28 | 宁波洛卡特汽车零部件有限公司 | Brushless electric fuel pump with built-in controller |
| CN102392770B (en) * | 2011-12-19 | 2013-09-04 | 宁波洛卡特汽车零部件有限公司 | Brushless electric fuel pump with built-in controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8981699B2 (en) | Rotating electric machine for electric vehicle, drive control device and insulation diagnosis method | |
| CN100566088C (en) | A kind of integrated alternating current electric motor for mixed power automobile | |
| CN103314215B (en) | Electric pump device | |
| CN105743265A (en) | Belt transmission type starting and power generation integrated machine | |
| CN106059147A (en) | Electric automobile air conditioner compressor drive DC brushless motor | |
| CN201190610Y (en) | Automobile brushless electric fuel pump | |
| CN110601451B (en) | Engine and motor assembly | |
| CN101071974A (en) | Direct current brushless motor Hall device sensor | |
| CN109904993A (en) | The ground structure of drive motor | |
| CN204408111U (en) | The DC frequency-changing motor that a kind of hybrid vehicle is special | |
| CN101960695A (en) | The driver element that is used for seat | |
| CN2829207Y (en) | Rare earth permanent starting generator | |
| CN203180692U (en) | Full electric vehicle drive motor assembly | |
| CN215267844U (en) | Permanent magnet synchronous motor structure suitable for hybrid electric vehicle assembly | |
| CN101709668A (en) | Compound exhaust turbine driven excitation generator | |
| CN105082973A (en) | Independent power part parallelly connected with engine | |
| CN205936912U (en) | Electronic fuel pump with rotor of making an uproar falls | |
| CN109660076A (en) | brushless motor for automobile EPS | |
| CN202153700U (en) | Brushless magnet DC blower fan used for automobile | |
| CN200997556Y (en) | Special serial exciting motor for track traffic | |
| CN2595058Y (en) | Electric motor as electric vehicle power | |
| CN103590941A (en) | Anticorrosive fuel pump | |
| CN202031747U (en) | Dimethyl ether-resistant fuel oil pump | |
| CN202475215U (en) | Novel switch reluctance motor | |
| CN215267848U (en) | 12/8-pole switched reluctance motor for electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090204 |