CN104527453A - Three-speed electric vehicle - Google Patents
Three-speed electric vehicle Download PDFInfo
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- CN104527453A CN104527453A CN201510032744.6A CN201510032744A CN104527453A CN 104527453 A CN104527453 A CN 104527453A CN 201510032744 A CN201510032744 A CN 201510032744A CN 104527453 A CN104527453 A CN 104527453A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention provides a three-speed electric vehicle. The three-speed electric vehicle comprises a motor, a controller and a relay; a winding of the motor comprises a high-speed gear, a medium-speed gear and a low-speed gear; the relay comprises two individual relays which are integrated in a housing; one relay is equipped with a common terminal, while the other one is not equipped with a common terminal; a normally-closed contact of the previous relay is connected with a dynamic contact of the other relay; a signal switching conditioning signal of the controller comprises two driving circuits which are respectively driven by two I/O ports of a single-chip microcomputer to control the connection or disconnection of coils of the relays A and B; three-phase output ports of a motor driving circuit are respectively connected with a low-speed gear, medium-speed gear or high-speed gear winding of the motor by switching the relay A and B; a motor hall sensor is connected with the single-chip microcomputer through a hall signal conditioning circuit; relay conditioning circuits are connected with the control ends of the relays A and B. According to the three-speed electric vehicle, the speed of the electric vehicle is controlled through the three-speed motor, the three-speed controller and the three-gear relays, and therefore, the rotating speed difference of the three gears is relatively small, and the switching effect is relatively smooth and comfortable.
Description
Technical field
The invention belongs to vehicle technology field, relate to a kind of three fast battery-driven cars.
Background technology
Existing battery-driven car is generally two grades of battery-driven cars, and there are the following problems usually for two grades of battery-driven cars: 1. conversion is steady not, comfortable; 2. motor power is not enough; 3. motor working efficiency is low; 4. single relay can not meet the many grades of needs switched; How to solve the problem and become the problem of those skilled in the art's research.
Summary of the invention
The problem to be solved in the present invention is to provide a kind ofly changes three steadily comfortable fast battery-driven cars.
For solving the problem, the technical solution used in the present invention: a kind of three fast battery-driven cars, comprise three-speed motor, three fast controllers and third gear relay;
Described three-speed motor comprises rotor and stator, and described stator comprises motor shaft, iron core and winding, and described winding is around on described iron core, and described iron core is fixed on described motor shaft; Described winding comprises low speed winding, middling speed winding and high speed winding; Described low speed winding comprises coil U1, V1, W1, is connected respectively with the terminal of motor low gear outlet; Described middling speed winding extends out to 3/5 position of low speed winding coil overall length respectively by the head end of low speed winding coil U1, V1, W1, draws U2, V2, W2 respectively, is connected with the terminal of motor mid ranger outlet; Described high speed winding extends out to 1/2 position of low speed winding coil overall length respectively by the head end of low speed winding coil U1, V1, W1, draws U3, V3, W3 respectively, is connected with the terminal of motor high speed gear outlet; The tail end of the tail end of described coil U1, the tail end of coil V1 and coil W1 is contacted;
Described third gear relay comprises shell and pedestal, two independently relay units (i.e. relay A and relay B) are provided with in the enclosure space of described shell and described pedestal composition, first relay unit (relay A) is furnished with common port plug, another relay unit (relay B) is unworthy of common port plug, and the normally closed contact of last relay unit is connected with the moving contact of another relay unit;
Described three fast controllers comprise micro controller system and relay signal switches modulate circuit, described relay signal switches modulate circuit and comprises the first driving circuit and the second driving circuit, described first driving circuit is by the coil conducting of an I/O port JDQ_L drived control relay A of micro controller system or shutoff, described second driving circuit is by the coil conducting of the 2nd I/O port JDQ_H drived control relay B of micro controller system or shutoff, described first driving circuit comprises aerotron QSS2 and metal-oxide-semiconductor QSS1, the base stage of described aerotron QSS2 is connected with micro controller system the one I/O port JDQ_L by resistance RSS1, the base stage of described aerotron QSS2 is by pull down resistor RSS2 ground connection, the grounded emitter of aerotron QSS2, the collecting electrode of described aerotron QSS2 connects 12v power supply by a resistance RSS7, connect the grid of metal-oxide-semiconductor QSS1 simultaneously, the drain electrode of described metal-oxide-semiconductor QSS1 connects the positive pole of sustained diode SS1, the source ground of described metal-oxide-semiconductor QSS1, the negative pole of described sustained diode SS1 connects car load power supply, the coils from parallel connection of coils of described relay A is at the two ends of described sustained diode SS1, described second driving circuit comprises aerotron QSS4 and metal-oxide-semiconductor QSS3, the base stage of described aerotron QSS4 is connected with micro controller system the 2nd I/O port JDQ_H by resistance RSS3, the base stage of described aerotron QSS4 is by pull down resistor RSS4 ground connection, the grounded emitter of aerotron QSS4, the collecting electrode of described aerotron QSS4 connects 12v power supply by a resistance RSS8, connect the grid of metal-oxide-semiconductor QSS3 simultaneously, the drain electrode of described metal-oxide-semiconductor QSS3 connects the positive pole of sustained diode SS2, the source ground of described metal-oxide-semiconductor QSS3, the negative pole of described sustained diode SS2 connects car load power supply, the coils from parallel connection of coils of described relay B is at the two ends of described sustained diode SS2, the three-phase output end mouth of described Micro Controller Unit (MCU) driving motor-drive circuit is respectively by the low gear of transfer relay A and relay B and motor, mid ranger or high speed gear winding switching, motor Hall element is connected with micro controller system by hall signal modulate circuit, described relay signal switches the control end of the mouth connection transfer relay A and relay B of modulate circuit.
Described first driving circuit is provided with fault-tolerant enable signal modulate circuit, described fault-tolerant enable signal modulate circuit comprises aerotron QSS5, resistance RSS6 and resistance RSS5, the collecting electrode of the collecting electrode connecting triode QSS5 of described aerotron QSS2, the emitter of the emitter connecting triode QSS5 of described aerotron QSS2, the base stage of described aerotron QSS5 is by pull down resistor RSS6 ground connection, and the base stage of described aerotron QSS5 is connected with micro controller system by resistance RSS5 introduces enable signal JDQ_L_EN.
Described motor shaft is hollow shaft, and the one or both ends that the pig-tail wire terminal of described coil all stretches out hollow shaft are connected with corresponding motor lead-out wire terminal.
The normally closed contact of described last relay unit is that outside shell side is to the L shape extended.
The normally closed contact of described last relay unit connects respectively by the moving contact that connection lead is corresponding with a rear relay unit.
On junction between described shell and pedestal and pedestal, the exit root of each plug all scribbles high density water proof glue.
The advantage that the present invention has and good effect are: because the present invention adopts three-speed motor, three fast controllers and third gear relay to control the speed of battery-driven car, therefore the conversion efficiency between controller three gears improves, the speed discrepancy of motor diminishes, and conversion effect is more steady, comfortable; Controller has the fault-tolerant enable signal modulate circuit that the first driving circuit connects, the middling speed winding drive circuit being automatically switched to controller when controller low speed winding drive circuit goes wrong by fault-tolerant enable signal modulate circuit can be ensured, controller three phase line is given tacit consent to and motor middling speed winding switching, drive motor works on mid ranger, run on height folk art term fault-tolerant mode, while possessing third gear controller function, remain the performance of folk art term controller like this, very possess fault tolerance again while high-adaptability; Relay adopts two existing relays to be integrated in a housing, eliminates a common port, connects up in good order, saves space compared to two independent relays, during use, and easy-to-connect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of invention relay signal switching modulate circuit;
Fig. 2 is the schematic circuit diagram that invention relay signal switching modulate circuit coordinates relay;
Fig. 3 is controller 12v power circuit principle figure of the present invention;
Fig. 4 is that controller 12v of the present invention turns 5v schematic circuit diagram;
Fig. 5 is that controller 5v of the present invention turns 3.3v schematic circuit diagram;
Fig. 6 is SCM peripheral schematic circuit diagram of the present invention;
Fig. 7 is controller instrument signal modulate circuit schematic diagram of the present invention;
Fig. 8 is controller handle signal conditioning circuit of the present invention;
Fig. 9 is controller temperature protection circuit schematic diagram of the present invention;
Figure 10 is controller hall signal modulate circuit schematic diagram of the present invention;
Figure 11 is controller current detection circuit schematic diagram of the present invention;
Figure 12 is that controller overcurrent of the present invention interrupts protective circuit schematic diagram;
Figure 13 is motor three-phase drive circuit schematic diagram of the present invention;
Figure 14 is the schematic diagram that invention relay signal switching modulate circuit coordinates relay;
Figure 15 is control flow chart of the present invention;
Figure 16 is faults-tolerant control diagram of circuit of the present invention;
Figure 17 is that smart electronics shelves controller of the present invention arranges rotating speed, current double-hysteresis-loop control schematic diagram;
Figure 18 is relay solid structural representation of the present invention;
Figure 19 is the schematic diagram of invention relay;
Figure 20 is the inner structure schematic diagram of invention relay;
Figure 21 is the block diagram of the inner structure of invention relay;
Figure 22 is the catenation principle figure of motor winding of the present invention.
In figure: 1. shell, 2. pedestal, 31,32. terminals for power suppliess, 33. open contacts, 34. normally closed contacts, 35. moving contacts, 4. electromagnet, 5. connection lead.
Detailed description of the invention
Now carry out comparatively detailed description to the present invention with reference to the accompanying drawings, as shown in Figure 1-22, a kind of three fast battery-driven cars, comprise three-speed motor, three fast controllers and third gear relay;
Described three-speed motor comprises rotor and stator, and described stator comprises motor shaft, iron core and winding, and described winding is around on described iron core, and described iron core is fixed on described motor shaft; Described winding comprises low speed winding, middling speed winding and high speed winding; Described low speed winding comprises coil U1, V1, W1, is connected respectively with the terminal of motor low gear outlet; Described middling speed winding extends out to 3/5 position of low speed winding coil overall length respectively by the head end of low speed winding coil U1, V1, W1, draws U2, V2, W2 respectively, is connected with the terminal of motor mid ranger outlet; Described high speed winding extends out to 1/2 position of low speed winding coil overall length respectively by the head end of low speed winding coil U1, V1, W1, draws U3, V3, W3 respectively, is connected with the terminal of motor high speed gear outlet; The tail end of the tail end of described coil U1, the tail end of coil V1 and coil W1 is contacted;
Described motor shaft is hollow shaft, and the one or both ends that the pig-tail wire terminal of described coil all stretches out hollow shaft are connected with corresponding motor lead-out wire terminal.Core motor axle can by lead-out wires of coil terminal by wherein being drawn by two ends, and joint space-efficient can make the arrangement rational and orderly more gone between simultaneously, facilitates wiring;
Because motor of the present invention adopts three groups of windings, the speed discrepancy between three groups of windings is less, and therefore conversion effect is more steady, comfortable; Carry out coiling by three groups of windings, the copper factor of single groove unshakable in one's determination is improved, and then moment of torsion when adding low speed starting and climb, and improves the power of motor; Also improve the efficiency of motor simultaneously; Compared with double-speed motor, add a gear and be just the increase in an efficient point, therefore its moment of torsion is larger, and load-carrying capacity is stronger, and mileages of continuation is longer.
Third gear relay, comprise shell 1 and pedestal 2, two independently relay unit A and B are provided with in the enclosure space that described shell 1 and described pedestal 2 form, relay unit A and relay unit B comprises two-way spring, two-way electromagnet, two-way armature, 12 break back contact (triad, two groups of normally closed contacts, two groups of open contacts), six moving contacts 35 (triad), pedestal 2 and back cover, described relay unit A is furnished with common port plug, relay unit B is unworthy of common port plug, the normally closed contact 34 of relay unit A is connected with the moving contact 35 of relay unit B.By the third gear conversion work of the relay that cooperatively interacted of relay unit A and relay unit B.
The normally closed contact 34 of described relay unit A is the L shape extended to shell 1 direction.Facilitate the welding of connection lead, save space simultaneously.
The normally closed contact 34 of described relay unit A connects respectively by the moving contact 35 that connection lead 5 is corresponding with relay unit B.Connect up more neat.
On junction between described shell 1 and pedestal 2 and pedestal 2, the exit root of each plug all scribbles high density water proof glue.Cause to avoid relay inner inlet damaging.
The open contact 33 of described relay unit A is connected with motor low gear, and the normally closed contact 34 of described relay unit B is connected with motor mid ranger, and the open contact 33 of described relay unit B is connected with motor high speed gear.
Relay construction and working process as follows:
The common port plug of relay unit A is connected with moving contact 35, when no power and normally closed contact 34 conducting of relay unit A, when being energized, the moving contact 35 of relay unit A and open contact 33 conducting of relay unit A, (this state is for connecing motor low speed winding); During the electromagnet power-off of relay unit A, the common port of relay unit A and normally closed contact 34 conducting of relay unit A, because the normally closed contact 34 of relay unit A is communicated with the moving contact 35 of relay unit B, now relay unit B electromagnet release, the common port of relay unit A and normally closed contact 34 conducting of relay unit B, (this state connects motor middling speed winding); When the energising of relay unit B electromagnet, the common port of relay unit A and open contact 33 conducting of relay unit B, (this state connects motor high speed winding).
Three fast controllers comprise micro controller system, relay signal switches modulate circuit, power circuit, instrument signal modulate circuit, handle signal conditioning circuit, instrument signal modulate circuit, temperature protection circuit, hall signal modulate circuit, current detection circuit, overcurrent interrupt protective circuit, motor three-phase drive circuit etc.;
As Fig. 1, 2, shown in 14, relay signal switches modulate circuit and comprises the first driving circuit and the second driving circuit, described first driving circuit is by the coil conducting of an I/O port JDQ_L drived control relay A of micro controller system or shutoff, described second driving circuit is by the coil conducting of the 2nd I/O port JDQ_H drived control relay B of micro controller system or shutoff, described first driving circuit comprises aerotron QSS2 and metal-oxide-semiconductor QSS1, the base stage of described aerotron QSS2 is connected with micro controller system the one I/O port JDQ_L by resistance RSS1, the base stage of described aerotron QSS2 is by pull down resistor RSS2 ground connection, the grounded emitter of aerotron QSS2, the collecting electrode of described aerotron QSS2 connects 12v power supply by a resistance RSS7, connect the grid of metal-oxide-semiconductor QSS1 simultaneously, the drain electrode of described metal-oxide-semiconductor QSS1 connects the positive pole of sustained diode SS1, the source ground of described metal-oxide-semiconductor QSS1, the negative pole of described sustained diode SS1 connects car load power supply (rated voltage of car load power supply is 48v or 60v etc.), the coils from parallel connection of coils of described relay A is at the two ends of described sustained diode SS1, described second driving circuit comprises aerotron QSS4 and metal-oxide-semiconductor QSS3, the base stage of described aerotron QSS4 is connected with micro controller system the 2nd I/O port JDQ_H by resistance RSS3, the base stage of described aerotron QSS4 is by pull down resistor RSS4 ground connection, the grounded emitter of aerotron QSS4, the collecting electrode of described aerotron QSS4 connects 12v power supply by a resistance RSS8, connect the grid of metal-oxide-semiconductor QSS3 simultaneously, the drain electrode of described metal-oxide-semiconductor QSS3 connects the positive pole of sustained diode SS2, the source ground of described metal-oxide-semiconductor QSS3, the negative pole of described sustained diode SS2 connects car load power supply, the coils from parallel connection of coils of described relay B is at the two ends of described sustained diode SS2, the three-phase output end mouth of described Micro Controller Unit (MCU) driving motor-drive circuit is respectively by the low gear of transfer relay A and relay B and motor, mid ranger or high speed gear winding switching, motor Hall element is connected with micro controller system by hall signal modulate circuit, described relay signal switches the control end of the mouth connection transfer relay A and relay B of modulate circuit.
Described first driving circuit is provided with fault-tolerant enable signal modulate circuit, described fault-tolerant enable signal modulate circuit comprises aerotron QSS5, resistance RSS6 and resistance RSS5, the collecting electrode of the collecting electrode connecting triode QSS5 of described aerotron QSS2, the emitter of the emitter connecting triode QSS5 of described aerotron QSS2, the base stage of described aerotron QSS5 is by pull down resistor RSS6 ground connection, and the base stage of described aerotron QSS5 is connected with micro controller system by resistance RSS5 introduces enable signal JDQ_L_EN.
Controller principle of work:
1, relay signal switches modulate circuit principle: resistance RSS1, RSS3 is current-limiting resistance, pass through RSS1, RSS3 limits micro controller system IO port driver aerotron QSS2, the drive current of QSS4, resistance RSS2, RSS4 is pull down resistor, when micro controller system electrification reset port is in high-impedance state, pass through RSS2, RSS4 is by QSS2, QSS4 base stage drags down and makes QSS2, QSS4 turns off, QSS1, the conducting of QSS3 control relay is closed, work as QSS1, the grid of QSS3 is 12V, i.e. aerotron QSS, 2, when QSS4 closes, QSS1, QSS3 conducting, relay A, the adhesive of B coil, work as QSS1, the grid of QSS3 is 0V, i.e. aerotron QSS, 2, during QSS4 conducting, relay A, B releasing winding.Because relay is perceptual device; larger reverse voltage can be produced when the moment turned off; diode DSS1, DSS2 play afterflow effect instantaneously at cut-off, reduce or eliminate the reverse voltage that relay inductance produces, and play the effect of protection driving circuit and relay.
2, three fast switching principles: when vehicle is energized and remains static, controller low speed winding control module works: the adhesive of relay A coil, relay B releasing winding, the now open contact of relay A coil and controller three-phase A, B, C conducting, motor low speed winding works, and drives vehicle with low gear; Motor speed constantly rises, when controller detects that motor speed is greater than 10KM and electric current is less than 18A, controller middling speed winding control module works: relay A releasing winding, relay B releasing winding, the now normally closed contact of relay B and controller three-phase A, B, C conducting, motor middling speed winding works, and drives vehicle with mid ranger; Motor speed still constantly rises, when controller detects that motor speed is greater than 18KM and electric current is less than 15A, relay A releasing winding, the adhesive of relay B coil, controller high speed winding control module works: the now open contact of relay B and controller three-phase A, B, C conducting, motor high speed winding works, and drives vehicle with high speed gear;
Otherwise, when vehicle runs with high speed gear, when controller detects motor speed lower than 16KM, controller middling speed winding control module works: relay A releasing winding, relay B releasing winding, the now normally closed contact of relay B and controller three-phase A, B, C conducting, motor middling speed winding works, and drives vehicle with mid ranger; When controller detects motor speed lower than 8KM, controller low speed winding module work: relay A coil adhesive, relay B releasing winding, the now open contact of relay A coil and controller three-phase A, B, C conducting, motor low speed winding works, and drives vehicle to promote moment of torsion with low gear.
Three gear intelligent electronic controllers control motor winding and switch effect: because three gear intelligent electronic controllers are by control 2 group relay switch motor three-phase windings respectively, speed discrepancy between controller three gears is less, so conversion effect is more steady, comfortable; By controlling 2 group relaies switch motor three-phase windings respectively, highlighting variety and the alerting ability of switching mode, adding moment of torsion when low speed starting and climbing, improving the controller performance of controller; Also improve the efficiency of motor simultaneously; Compared with the intelligent electronic controller of folk art term position, add a gear and be just the increase in an efficient point, therefore the controller performance of three gear intelligent electronic controllers is better, can the superperformance that operation is efficient and output torque is large of abundant digging motor.
Switch in time, accurately in order to ensure 2 group relaies, this intelligent electronic controller devises electric gear change circuit, as shown in Figure 1.
After low speed winding drive circuit fault in controller, controller is positioned at two gear switch fault-tolerant operation mode, fault-tolerant Enable Pin JDQ_L_EN puts 1, how the signal JDQ_L now no matter controlling low speed winding drive circuit break-make changes, metal-oxide-semiconductor QSS1 closes, the coil blackout of relay A, fault winding drive circuit disconnects all the time.Like this, what access all the time when guaranteeing that controller runs is middling speed winding drive circuit and high speed winding drive circuit, improves reliability and the service life of controller.
Above embodiments of the invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the scope of the invention change and improve, and all should still belong within this patent covering scope.
Claims (6)
1. three fast battery-driven cars, is characterized in that: comprise three-speed motor, three fast controllers and third gear relay;
Described three-speed motor comprises rotor and stator, and described stator comprises motor shaft, iron core and winding, and described winding is around on described iron core, and described iron core is fixed on described motor shaft; Described winding comprises low speed winding, middling speed winding and high speed winding; Described low speed winding comprises coil U1, V1, W1, is connected respectively with the terminal of motor low gear outlet; Described middling speed winding extends out to 3/5 position of low speed winding coil overall length respectively by the head end of low speed winding coil U1, V1, W1, draws U2, V2, W2 respectively, is connected with the terminal of motor mid ranger outlet; Described high speed winding extends out to 1/2 position of low speed winding coil overall length respectively by the head end of low speed winding coil U1, V1, W1, draws U3, V3, W3 respectively, is connected with the terminal of motor high speed gear outlet; The tail end of the tail end of described coil U1, the tail end of coil V1 and coil W1 is contacted;
Described third gear relay comprises shell and pedestal, two independently relay units are provided with in the enclosure space of described shell and described pedestal composition, first relay unit is furnished with common port plug, another relay unit is unworthy of common port plug, and the normally closed contact of last relay unit is connected with the moving contact of another relay unit;
Described three fast controllers comprise micro controller system and relay signal switches modulate circuit, described relay signal switches modulate circuit and comprises the first driving circuit and the second driving circuit, described first driving circuit is by the coil conducting of an I/O port JDQ_L drived control relay A of micro controller system or shutoff, described second driving circuit is by the coil conducting of the 2nd I/O port JDQ_H drived control relay B of micro controller system or shutoff, described first driving circuit comprises aerotron QSS2 and metal-oxide-semiconductor QSS1, the base stage of described aerotron QSS2 is connected with micro controller system the one I/O port JDQ_L by resistance RSS1, the base stage of described aerotron QSS2 is by pull down resistor RSS2 ground connection, the grounded emitter of aerotron QSS2, the collecting electrode of described aerotron QSS2 connects 12v power supply by a resistance RSS7, connect the grid of metal-oxide-semiconductor QSS1 simultaneously, the drain electrode of described metal-oxide-semiconductor QSS1 connects the positive pole of sustained diode SS1, the source ground of described metal-oxide-semiconductor QSS1, the negative pole of described sustained diode SS1 connects car load power supply, the coils from parallel connection of coils of described relay A is at the two ends of described sustained diode SS1, described second driving circuit comprises aerotron QSS4 and metal-oxide-semiconductor QSS3, the base stage of described aerotron QSS4 is connected with micro controller system the 2nd I/O port JDQ_H by resistance RSS3, the base stage of described aerotron QSS4 is by pull down resistor RSS4 ground connection, the grounded emitter of aerotron QSS4, the collecting electrode of described aerotron QSS4 connects 12v power supply by a resistance RSS8, connect the grid of metal-oxide-semiconductor QSS3 simultaneously, the drain electrode of described metal-oxide-semiconductor QSS3 connects the positive pole of sustained diode SS2, the source ground of described metal-oxide-semiconductor QSS3, the negative pole of described sustained diode SS2 connects car load power supply, the coils from parallel connection of coils of described relay B is at the two ends of described sustained diode SS2, the three-phase output end mouth of described Micro Controller Unit (MCU) driving motor-drive circuit is respectively by the low gear of transfer relay A and relay B and motor, mid ranger or high speed gear winding switching, motor Hall element is connected with micro controller system by hall signal modulate circuit, described relay signal switches the control end of the mouth connection transfer relay A and relay B of modulate circuit.
2. three fast battery-driven cars according to claim 1, it is characterized in that: described first driving circuit is provided with fault-tolerant enable signal modulate circuit, described fault-tolerant enable signal modulate circuit comprises aerotron QSS5, resistance RSS6 and resistance RSS5, the collecting electrode of the collecting electrode connecting triode QSS5 of described aerotron QSS2, the emitter of the emitter connecting triode QSS5 of described aerotron QSS2, the base stage of described aerotron QSS5 is by pull down resistor RSS6 ground connection, and the base stage of described aerotron QSS5 is connected with micro controller system by resistance RSS5 introduces enable signal JDQ_L_EN.
3. three fast battery-driven cars according to claim 1, is characterized in that: described motor shaft is hollow shaft, and the one or both ends that the pig-tail wire terminal of described coil all stretches out hollow shaft are connected with corresponding motor lead-out wire terminal.
4. three fast battery-driven cars according to claim 1, is characterized in that: the normally closed contact of described last relay unit is that outside shell side is to the L shape extended.
5. three fast battery-driven cars according to claim 4, is characterized in that: the normally closed contact of described last relay unit connects respectively by the moving contact that connection lead is corresponding with a rear relay unit.
6. according to any one of claim 1-5 three fast battery-driven cars, is characterized in that: on the junction between described shell and pedestal and pedestal, the exit root of each plug all scribbles high density water proof glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510032744.6A CN104527453B (en) | 2015-01-22 | 2015-01-22 | Three speed electric motor cars |
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| CN201510032744.6A CN104527453B (en) | 2015-01-22 | 2015-01-22 | Three speed electric motor cars |
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| CN104527453B CN104527453B (en) | 2016-08-24 |
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| CN204452102U (en) * | 2015-01-22 | 2015-07-08 | 天津小刀电动科技股份有限公司 | Three fast battery-driven cars |
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- 2015-01-22 CN CN201510032744.6A patent/CN104527453B/en active Active
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|---|---|---|---|---|
| EP1792770A2 (en) * | 2005-11-30 | 2007-06-06 | Hitachi, Ltd. | Motor driving device and automobile using the same |
| CN203057064U (en) * | 2012-12-28 | 2013-07-10 | 胡风华 | Automatic shifting apparatus for electric vehicle |
| CN103192735A (en) * | 2013-03-16 | 2013-07-10 | 鲍文光 | Communication type controller based on electric vehicle |
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| CN104527453B (en) | 2016-08-24 |
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