CN203078308U - Electric vehicle and auxiliary driving device and auxiliary engine driving system - Google Patents
Electric vehicle and auxiliary driving device and auxiliary engine driving system Download PDFInfo
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- CN203078308U CN203078308U CN 201320074721 CN201320074721U CN203078308U CN 203078308 U CN203078308 U CN 203078308U CN 201320074721 CN201320074721 CN 201320074721 CN 201320074721 U CN201320074721 U CN 201320074721U CN 203078308 U CN203078308 U CN 203078308U
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Abstract
The utility model discloses an electric vehicle and an auxiliary engine driving device and an auxiliary engine driving system. The device comprises a braking power unit, a power-assistant steering pump, a dual-shaft motor with two output shafts as well as two clutches; the two output ends of the dual-shaft motor are respectively connected with the braking power unit and the power-assistant steering pump through a clutch; the auxiliary engine device drives the braking power part and the power-assistant steering pump by adopting the dual-shaft motor, and compared with the background art, the device has the advantage that the hardware cost is saved; and the connection of the dual-shaft motor, the braking power unit and the power-assistant steering pump is controlled by adopting the clutch, and the auxiliary engine system can be prevented from being at the constant flow state; the braking power unit or the power-assistant steering pump only operates when a braking or steering requirement is met, and under other conditions, the dual-shaft motor idles without load, and consumes tiny energy, so that compared with the background art, the device has the advantage that the energy consumption of the auxiliary engine system is lowered greatly; and additionally, the response speed of the clutch is rapid, and the braking response speed requirement can be ensured.
Description
Technical field
The utility model relates to the vehicle technology field, particularly a kind of elec. vehicle and auxiliary machine driver thereof, subsidiary engine drive system.
Background technology
Elec. vehicle comprises oil electric mixed dynamic automobile and pure electric automobile, and the auxiliary system of the type automobile comprises electrodynamic braking air compressor system and servo steering system.
The electrodynamic braking air compressor system comprises motor, Air compressor and vacuum booster pump, and the motor-driven Air compressor is to provide pressurized air, and Air compressor to vacuum booster pump, produces required brake boost with compressed air delivery.Pure electric automobile generally needs a cover Air compressor, and hybrid vehicle, subsidiary on the body of driving engine own have a cover Air compressor, and a cover used for air compressor also need be set in electric-only mode work down, to make full use of the power of driving engine, saves energy consumption.Therefore, hybrid vehicle has two Air compressors.
Servo steering system comprises motor, servo-steering pump and power-assisted oil cylinder, the outside pump oil of motor-driven steering pump, and fluid drives the power-assisted cylinder action, drives axletree rotation and realization and turns to.
Yet there is following technical matters in above-mentioned elec. vehicle:
The first, above-mentioned auxiliary system need be provided with two cover motors, is respectively applied for and drives Air compressor and servo-steering pump, and hardware is more, productive costs and control cost all higher;
The second, the speed of response in order to guarantee to brake and turn to, especially braking response speed, Air compressor and servo-steering pump all work in permanent current state (always working), the general break-make that relies on valve element control Air compressor and vacuum booster pump, servo-steering pump and power-assisted oil cylinder, promptly two overlap motors loaded work piece all the time, have caused power wastage.For energy-conservation, there is following processing mode in the prior art: calculate by the running state information of gathering Air compressor load signal, power signal and tach signal and generate optimized rotating speed, and, make auxiliary system work in optimized rotating speed by the Frequency Converter Control motor speed, reach energy-saving effect.Yet this kind mode need be gathered many information, and the calculating of optimized rotating speed can only dependency theory and test, with the necessary being deviation; The cost of control unit and complexity also hinder its industrialization; Frequency converter is relatively more expensive, and control is also comparatively complicated.
In view of this, how improving elec. vehicle subsidiary engine drive system, produce, control cost to reduce, is the technical matters that those skilled in the art need to be resolved hurrily.
The utility model content
For solving the problems of the technologies described above, the purpose of this utility model is for providing a kind of elec. vehicle and auxiliary machine driver thereof, subsidiary engine drive system.This auxiliary machine driver can reach minimizing hardware by dual-axle motor and power-transfer clutch are set, and reduces the purpose of producing, controlling cost.
The elec. vehicle auxiliary machine driver that the utility model provides, comprise brake power parts, servo-steering pump, also comprise dual-axle motor and two power-transfer clutchs with two mouths, two mouths of described dual-axle motor connect described brake power parts and described servo-steering pump by a described power-transfer clutch respectively.
This elec. vehicle auxiliary machinery device provides power by a dual-axle motor for brake power parts and servo-steering pump.When power-transfer clutch closure or separation, cooresponding brake power parts or servo-steering pump are connected with dual-axle motor or disconnect connection, and dual-axle motor is realized power transmission or tick over.As seen, this auxiliary machinery device has following technique effect:
The first, adopt dual-axle motor to drive brake power parts and servo-steering pump,, saved hardware cost compared to two cover electric systems of background technology;
The second, adopt being connected of clutch control dual-axle motor and brake power parts, servo-steering pump, can avoid auxiliary system to be in the permanent current state, only when having braking or turning to demand, brake power parts or servo-steering pump are just worked, under other situations, the dual-axle motor tick over, because non-loaded, the energy consumption of dual-axle motor is very little.Therefore, the permanent current state in the background technology, the energy consumption of this auxiliary system is significantly reduced.In addition, by the takeoff output of power-transfer clutch closure or separating controlling dual-axle motor, the power-transfer clutch speed of response is fast, can guarantee the speed of response demand of braking.
Preferably, described auxiliary machine driver also comprises vacuum booster pump, and described brake power parts are for driving the Air compressor of described vacuum booster pump.
Air compressor and vacuum booster pump cooperate the action of driving stop mechanism, have braking effect preferably.And for motor vehicle driven by mixed power, its driving engine carries Air compressor in the prior art, and by this Air compressor work of engine drive, under the electric model, starter motor drives another Air compressor work, to save energy consumption under the launch modes.And in the present embodiment, under the power-transfer clutch effect, dual-axle motor can tick over, no matter be engine mode or electric model, energy consumption is all less, so need not to be provided with a cover Air compressor on the driving engine again, be that auxiliary machine driver in the utility model or drive system are guaranteeing under the prerequisite that cuts down the consumption of energy, one cover Air compressor only is set get final product, and need not to distinguish engine mode and electric model when controlling, controlling cost also further is minimized.
Preferably, two described power-transfer clutchs are magnetic clutch.
The speed of response closed or that separate of magnetic clutch is very fast, can satisfy the speed responsive demand of braking.
Preferably, two described power-transfer clutchs are hydraulic control clutch.
The speed of response closed or that separate of hydraulic control clutch is very fast, can satisfy the speed responsive demand of braking.
Preferably, the rated speed of rotation of described Air compressor and described servo-steering pump equates.
So design when dual-axle motor drives Air compressor and servo-steering pump, need not the rotating speed of dual-axle motor is controlled, and promptly need not to be provided with frequency converter, and it is lower to control cost.
Preferably, the maximum torque of described dual-axle motor is greater than the maximum torque sum of described Air compressor and described servo-steering pump.
So, can guarantee dual-axle motor under any operating mode, all can successfully drive the action of Air compressor and servo-steering pump.
The utility model also provides a kind of elec. vehicle subsidiary engine drive system, comprises as above each described elec. vehicle auxiliary machine driver; Also comprise the controller that receives speed-slackening signal and turn sign, described controller is controlled two described power-transfer clutchs closures according to control signal and turn sign or is separated.
This auxiliary system comprises above-mentioned auxiliary machinery device, can reach the technique effect of auxiliary machinery device as mentioned above, repeats no more herein.
Preferably, described controller is the entire car controller of elec. vehicle.
So design need not to be provided with separately the controller of controlling two power-transfer clutchs, saves hardware; And entire car controller generally can collect speed-slackening signal and turn sign, directly utilizes the signal of gathering to get final product, and need not to establish in addition circuit, thus simplied system structure.
The utility model also provides a kind of elec. vehicle, comprises main drive system and vehicle subsidiary engine drive system, it is characterized in that, described vehicle subsidiary engine drive system is above-mentioned each described vehicle subsidiary engine drive system.
Elec. vehicle comprises above-mentioned auxiliary system, because auxiliary system has above-mentioned technique effect, the elec. vehicle with this auxiliary system also has identical technique effect.
Description of drawings
Fig. 1 provides the structured flowchart of a kind of specific embodiment of elec. vehicle auxiliary machine driver for the utility model;
Fig. 2 provides the structured flowchart of a kind of specific embodiment of elec. vehicle subsidiary engine drive system for the utility model.
Among Fig. 1-2:
11 dual-axle motors, 12 Air compressors, 13 servo-steering pumps, 141 firsts clutch, 142 second clutch, 15 vacuum booster pumps, 16 power-assisted oil cylinders, 17 controllers
The specific embodiment
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 1 provides the structured flowchart of a kind of specific embodiment of elec. vehicle auxiliary machine driver for the utility model.
Elec. vehicle auxiliary machine driver among this embodiment, comprise the brake power parts that drive stop mechanism, comprise the Air compressor 12 shown in Fig. 1, and drive the servo-steering pump 13 that steering swivel system moves, can understand principle of work, the function of Air compressor 12 and servo-steering pump 13 referring to background technology.
In addition, this auxiliary machine driver also comprises dual-axle motor 11 and two power-transfer clutchs with two mouths, first clutch 141 as shown in fig. 1 and second clutch 142.Two mouths of dual-axle motor 11 can be positioned at the two ends of dual-axle motor 11, and when dual-axle motor 11 rotated, two mouths are outputting power simultaneously.Two mouths of dual-axle motor 11 connect Air compressor 12 and servo-steering pump 13 by a power-transfer clutch respectively, as shown in Figure 1, one mouth of dual-axle motor 11 connects Air compressor 12 by first clutch 141, and another mouth connects servo-steering pump 13 by second clutch 142.
So design, a cover dual-axle motor 11 promptly can be Air compressor 12, servo-steering pump 13 provides power, and two cover motors compared to background technology can save a cover motor.Concrete working process can be understood with reference to figure 2.
Fig. 2 provides the structured flowchart of a kind of specific embodiment of elec. vehicle subsidiary engine drive system for the utility model.
This subsidiary engine drive system comprises above-mentioned auxiliary machine driver, also comprises controller 17, and controller 17 can receive turn sign and speed-slackening signal.Turn sign can come from the monitoring rotation direction sensor that is arranged in the steering system, speed-slackening signal can come from brake pedal position sensor, difference according to steering mode (automatically controlled or non-automatically controlled), brake mode, can select corresponding signal pickup assembly, specifically can understand with reference to prior art.When receiving turn sign and speed-slackening signal, controller 17 controls the action of first clutch 141, second clutch 142 according to following control policy:
A, receive speed-slackening signal, do not receive turn sign:
Export closed Air compressor 12 sides first clutch 141, separate the instruction of the second clutch 142 of servo-steering pump 13 sides, dual-axle motor 11 mouths are connected with Air compressor 12, dual-axle motor 11 drives Air compressor 12 work, Air compressor 12 drives vacuum booster pump 15 actions, vacuum booster pump 15 drives stop mechanism, the performance braking function; At this moment, second clutch 142 separates, and then another mouth and servo-steering pump 13 disconnect, and servo-steering pump 13 is not worked;
B, receive turn sign, do not receive speed-slackening signal:
Export closed servo-steering pump 13 sides second clutch 142, separate the instruction of the first clutch 141 of Air compressor 12 sides, dual-axle motor 11 mouths are connected with servo-steering pump 13, dual-axle motor 11 drives 13 work of servo-steering pump, servo-steering pump 13 is delivered to power-assisted oil cylinder 16 with high pressure oil, and performance turns to function; At this moment, first clutch 141 separates, and another mouth and Air compressor 12 disconnect, and Air compressor 12 is not worked;
C, receive turn sign and speed-slackening signal:
Export the instruction of second clutch 142 of first clutch 141, servo-steering pump 13 sides of closed Air compressor 12 sides, make two mouths of dual-axle motor 11 connect Air compressor 12 and servo-steering pump 13 respectively, drive the two rotation simultaneously, turn to and braking function with performance simultaneously;
D, do not receive turn sign and speed-slackening signal:
The instruction of the first clutch 141 of output separation Air compressor 12 sides, the second clutch 142 of servo-steering pump 13 sides, two mouths of dual-axle motor 11 are disconnected with Air compressor 12 and servo-steering pump 13 respectively, Air compressor 12 and servo-steering pump 13 run out of steam, all do not work dual-axle motor 11 idle running.
Above-mentioned elec. vehicle auxiliary machinery device and auxiliary system have following technique effect:
The first, adopt dual-axle motor 11 to drive Air compressor 12 and servo-steering pump 13,, saved hardware cost compared to background technology;
The second, adopt being connected of clutch control dual-axle motor 11 and Air compressor 12, servo-steering pump 13, can avoid auxiliary system to be in the permanent current state, only when having braking or turning to demand, Air compressor 12 or servo-steering pump 13 are just worked, under other situations, dual-axle motor 11 tick overs, because non-loaded, the energy consumption of dual-axle motor 11 is very little.Therefore, the permanent current state in the background technology, the energy consumption of this auxiliary system is significantly reduced.In addition, by the takeoff output of power-transfer clutch closure or separating controlling dual-axle motor 11, the power-transfer clutch speed of response is fast, can guarantee the speed of response demand of braking.
And for motor vehicle driven by mixed power, its driving engine carries Air compressor in the prior art, and by this Air compressor work of engine drive, under the electric model, starter motor drives another Air compressor work, to save energy consumption under the engine mode.And in the present embodiment, under the power-transfer clutch effect, dual-axle motor 11 can tick over, no matter be engine mode or electric model, energy consumption is all less, so need not to be provided with a cover Air compressor on the driving engine again, be that auxiliary machine driver in the utility model or drive system are guaranteeing under the prerequisite that cuts down the consumption of energy, one cover Air compressor only is set get final product, and need not to distinguish engine mode and electric model when controlling, controlling cost also further is minimized.
In order to improve the speed of response of power-transfer clutch quick make or separation, two power-transfer clutchs in the foregoing description are preferably magnetic clutch, controller 17 direct signals of auxiliary system connect first clutch 141 and second clutch 142, the closed or separation of automatically controlled two power-transfer clutchs.Certainly, also can be hydraulic control clutch, speed of response also can satisfy user demand, and at this moment, controller 17 is by the closed or separation of the break-make control clutch of control oil channel.
At the various embodiments described above, during type selecting, the rated speed of rotation of Air compressor 12 and servo-steering pump 13 can equate, the rated speed of rotation that equating herein is not limited to the two is equal fully, also can be about equally.So, when dual-axle motor 11 drives Air compressor 12 and servo-steering pump 13, the rotating speed of dual-axle motor 11 can be set at consistent with the rated speed of rotation of the two, during work, dual-axle motor 11 is set rotational speed according to this always and is got final product, need not the rotating speed of dual-axle motor 11 is controlled, promptly need not to be provided with frequency converter, it is lower then to control cost.
In the foregoing description, the maximum torque of dual-axle motor 11 to guarantee dual-axle motor 11 under any operating mode, all can successfully drive Air compressor 12 and 13 actions of servo-steering pump more preferably greater than the maximum torque sum of Air compressor 12 and servo-steering pump 13.In addition, the power of dual-axle motor 11 should be enough big, drives Air compressor 12, servo-steering pump 13 simultaneously with rated speed of rotation work to satisfy.
Need to prove that in the foregoing description, the brake power parts are Air compressor 12, drive 15 actions of vacuum kinetic pump, and then drive the stop mechanism action by Air compressor 12.Can expect, different according to braking requirement and signals of vehicles, the brake power parts also can be other elements that power can be provided, such as at the type drg that surges, by pump housing direct drive, this moment, the pump housing was the brake power parts, and then the mouth of dual-axle motor 11 can connect this pump housing by power-transfer clutch.
Except above-mentioned elec. vehicle auxiliary machinery device, auxiliary system, the utility model also provides a kind of elec. vehicle, comprises main drive system and vehicle subsidiary engine drive system, and vehicle subsidiary engine drive system is the described vehicle subsidiary engine of an above-mentioned arbitrary embodiment drive system.Because above-mentioned subsidiary engine drive system has above-mentioned technique effect, the elec. vehicle with this subsidiary engine drive system also has identical technique effect, repeats no more herein.
More than a kind of elec. vehicle provided by the utility model and auxiliary machine driver thereof, subsidiary engine drive system all are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. elec. vehicle auxiliary machine driver, comprise brake power parts, servo-steering pump (13), it is characterized in that, also comprise dual-axle motor (11) and two power-transfer clutchs with two mouths, two mouths of described dual-axle motor (11) connect described brake power parts and described servo-steering pump (13) by a described power-transfer clutch respectively.
2. elec. vehicle auxiliary machine driver as claimed in claim 1 is characterized in that, described auxiliary machine driver also comprises vacuum booster pump (15), and described brake power parts are for driving the Air compressor (12) of described vacuum booster pump (15).
3. elec. vehicle auxiliary machine driver as claimed in claim 2 is characterized in that, two described power-transfer clutchs are magnetic clutch.
4. elec. vehicle auxiliary machine driver as claimed in claim 2 is characterized in that, two described power-transfer clutchs are hydraulic control clutch.
5. as each described elec. vehicle auxiliary machine driver of claim 2-4, it is characterized in that the rated speed of rotation of described Air compressor (12) and described servo-steering pump (13) equates.
6. as each described elec. vehicle auxiliary machine driver of claim 2-4, it is characterized in that the maximum torque of described dual-axle motor (11) is greater than the maximum torque sum of described Air compressor (12) and described servo-steering pump (13).
7. an elec. vehicle subsidiary engine drive system is characterized in that, comprises each described elec. vehicle auxiliary machine driver as claim 1-6; Also comprise the controller (17) that receives speed-slackening signal and turn sign, described controller (17) is controlled two described power-transfer clutchs closures according to speed-slackening signal and turn sign or is separated.
8. elec. vehicle subsidiary engine drive system as claimed in claim 7 is characterized in that described controller (17) is the entire car controller of elec. vehicle.
9. an elec. vehicle comprises main drive system and vehicle subsidiary engine drive system, it is characterized in that, described vehicle subsidiary engine drive system is claim 7 or 8 described vehicle subsidiary engine drive systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320074721 CN203078308U (en) | 2013-02-17 | 2013-02-17 | Electric vehicle and auxiliary driving device and auxiliary engine driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320074721 CN203078308U (en) | 2013-02-17 | 2013-02-17 | Electric vehicle and auxiliary driving device and auxiliary engine driving system |
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| CN203078308U true CN203078308U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320074721 Expired - Lifetime CN203078308U (en) | 2013-02-17 | 2013-02-17 | Electric vehicle and auxiliary driving device and auxiliary engine driving system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112351A (en) * | 2013-02-17 | 2013-05-22 | 潍柴动力股份有限公司 | Electric vehicle and auxiliary engine drive device and auxiliary drive system thereof |
| CN106394661A (en) * | 2015-07-31 | 2017-02-15 | 比亚迪股份有限公司 | Vehicle braking and steering combined system |
| CN106394663A (en) * | 2015-07-31 | 2017-02-15 | 比亚迪股份有限公司 | Vehicle braking and steering combined system |
-
2013
- 2013-02-17 CN CN 201320074721 patent/CN203078308U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112351A (en) * | 2013-02-17 | 2013-05-22 | 潍柴动力股份有限公司 | Electric vehicle and auxiliary engine drive device and auxiliary drive system thereof |
| CN103112351B (en) * | 2013-02-17 | 2016-08-10 | 潍柴动力股份有限公司 | Electric vehicle and auxiliary machine driver, subsidiary engine drive system |
| CN106394661A (en) * | 2015-07-31 | 2017-02-15 | 比亚迪股份有限公司 | Vehicle braking and steering combined system |
| CN106394663A (en) * | 2015-07-31 | 2017-02-15 | 比亚迪股份有限公司 | Vehicle braking and steering combined system |
| CN106394661B (en) * | 2015-07-31 | 2019-01-29 | 比亚迪股份有限公司 | The combined system of vehicle braking and steering |
| CN106394663B (en) * | 2015-07-31 | 2019-08-13 | 比亚迪股份有限公司 | The combined system of vehicle braking and steering |
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Granted publication date: 20130724 |