CN201890156U - Regenerative braking energy reclaiming system of vehicle - Google Patents
Regenerative braking energy reclaiming system of vehicle Download PDFInfo
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- CN201890156U CN201890156U CN2010201901040U CN201020190104U CN201890156U CN 201890156 U CN201890156 U CN 201890156U CN 2010201901040 U CN2010201901040 U CN 2010201901040U CN 201020190104 U CN201020190104 U CN 201020190104U CN 201890156 U CN201890156 U CN 201890156U
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- energy recovery
- vehicle
- slide rheostat
- resistor
- recovery ratio
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Abstract
The utility model discloses a regenerative braking energy reclaiming system of vehicle, wherein the system comprises an energy reclaiming proportion regulating device, a vehicle speed sensor, a battery management system and a vehicle controller; the vehicle speed sensor and the battery management system are electrically connected to the vehicle controller; the energy reclaiming proportion regulating device comprises a reference voltage end, a first resistor, a sliding rheostat and an analogue-digital converter; the reference voltage end, the first resistor and the sliding rheostat are orderly and electrically connected; the end of the sliding rheostat which is prevented from connecting to the first resistor is grounded; one end of the analogue-digital converter is connected to the connection point between the first resistor and the sliding rheostat, and the other end thereof is connected to the vehicle controller; and the analogue-digital converter is used for sending the signal representing an energy reclaiming proportion to the vehicle controller. The regenerative braking energy reclaiming system of vehicle provided by the utility model has the advantages that the driver is provided with various selections, the different energy reclaiming proportions can be selected by the driver according to the driving habits of the driver, and the loss to the security of the vehicle is prevented while ensuring the full recycling of energy.
Description
Technical field
The utility model relates to motor vehicle driven by mixed power, pure electric vehicle and fuel-cell vehicle field, and relates in particular to a kind of regenerating braking energy recovery system that is used for vehicle.
Background technology
Oil and natural gas is non-renewable resources, and how energy-conservation has been extremely urgent thing.Motor vehicle driven by mixed power, pure electric vehicle, the fuel-cell vehicle of one of low carbon technique is the trend and the focus of 21 century development.All had on-vehicle battery on these vehicles, the electrical motor on the vehicle can utilize the energy that is stored in the Vehicular battery in powered vehicle.
For further improving capacity usage ratio; usually the regenerating braking energy recovery system also is equipped with on the vehicle; this system can be at the vehicle brake glancing impact; make the electrical motor on the vehicle switch to generator mode; be converted to power storage in on-vehicle battery with kinetic energy, thereby realize the recycling of braking and energy vehicle.
Yet, to compare with traditional drag, the energy regeneration braking can give chaufeur different car senses, and chaufeur need change its driving habit, to adapt to the brake modes of energy regeneration braking.And, when the energy regeneration brake system lost efficacy, can cause very big harm to the safety of car load.
The utility model content
The inefficacy meeting that can influence the driving habit of chaufeur for overcoming energy regeneration brake system in the prior art, has potential safety hazard and an energy regeneration brake system causes the defective of very big harm to the safety of car load, and the utility model spy provides a kind of regenerating braking energy recovery system.
A kind of regenerating braking energy recovery system that is used for vehicle that the utility model provides comprises: the energy recovery ratio control device, car speed sensor, battery management system and entire car controller, described car speed sensor and battery management system are electrically connected with described entire car controller, described energy recovery ratio control device comprises reference voltage end, first resistance, slide rheostat and A and D converter, described reference voltage end, first resistor and slide rheostat are electrically connected successively, slide rheostat is not connected to an end ground connection of first resistor, described A and D converter one end is connected to the point of connection between described first resistance and the slide rheostat, the other end is connected to described entire car controller, and on behalf of energy recovery ratiometric signal, this A-D converter will be sent to described entire car controller.
The regenerating braking energy recovery system that the utility model provides can give the chaufeur multiple choices, chaufeur can be according to driving habit and the actual road surface situation of self, set different energy recovery ratios, vehicle can be adjusted regenerative brake according to the energy recovery ratio of setting and generate power like this, thereby regulate the degree of energy recovery, rather than as in the prior art, need chaufeur to adjust the driving habit of self, to adapt to the regenerative brake brake modes, avoid causing safety problem because of incompatibility regenerative brake brake modes.Therefore, regenerating braking energy recovery system provided by the invention can be when guaranteeing that energy is fully recycled, the safety of avoiding losing vehicle.
Description of drawings
Fig. 1 is the structural representation of the regenerating braking energy recovery system that provides of the utility model;
Fig. 2 is the circuit structure diagram of the energy recovery ratio control device in the regenerating braking energy recovery system that provides of the utility model;
Fig. 3 is the structural representation of the knob of the regenerating braking energy recovery system that provides of the utility model; And
Fig. 4 is the structural representation of another embodiment of the regenerating braking energy recovery system that provides of the utility model.
The specific embodiment
In order to allow above-mentioned and other purposes of the present utility model, feature and the advantage can be more obvious, hereinafter will cooperate appended diagram, be described in detail below.
The structural representation of the regenerating braking energy recovery system that Fig. 1 provides for the utility model, as shown in Figure 1, the utility model provides a kind of regenerating braking energy recovery system that is used for vehicle, and this system comprises entire car controller 40 and the energy recovery ratio control device 10 that is electrically connected with this entire car controller 40, car speed sensor 20, battery management system 30.
Described energy recovery ratio control device 10 can be set an energy recovery ratio, and this ratio for example can be the arbitrary proportion between 0%～100%, and wherein 0% means this regenerating braking energy recovery system of stopping using, and only uses traditional drag mode; 100% means and uses energy regeneration braking to greatest extent.
Described car speed sensor 20 is used to detect the current vehicle speed of vehicle.
The current carrying capacity of the on-vehicle battery that battery management system 30 is used for determining that vehicle is equipped with, it also can monitor the state (for example, temperature) of on-vehicle battery in addition, the capacity of adjustments/balancing battery monomer selectively, thereby the life-span of raising on-vehicle battery.
Described entire car controller 40 can be according to described energy recovery ratio, current vehicle speed and current carrying capacity, the calculation expectation regenerative brake generates power, and generate power according to this expectation regenerative brake and adjust electrical motor, so that generating the difference of power and described expectation regenerative brake generation power, the actual reproduction that electrical motor produced braking is in the preset range.
Wherein, described preset range can be 0～5%, when the difference of described expectation regenerative brake generation power and actual reproduction braking generation power (this actual reproduction braking generates power and can determine by the horsepower output of measurement electrical motor) was within the above-mentioned preset range, then entire car controller 40 was not taked any operation; When both differences have exceeded above-mentioned preset range, entire car controller 40 can be regulated the electrical motor that is in power generation mode, to increase or to reduce its generating efficiency, thereby adjust the degree of participation of regenerating braking energy recovery system in brake process, the difference that generates power and described expectation regenerative brake generation power until the actual reproduction braking is in the preset range.Above-mentioned preset range can be set arbitrarily according to application need, is not limited to above-mentioned scope.
Described entire car controller 40 can generate power according to following formula calculation expectation regenerative brake:
P＝F(V，SOC)×K
Wherein, P representative expectation regenerative brake generates power, and V represents current vehicle speed, and SOC represents current carrying capacity, the energy recovery ratio that the K representative sets.(V, value SOC) can be by representing that to one of entire car controller 40 stored (V, SOC) look-up table of relation is searched and drawn between the value for current vehicle speed V and current carrying capacity SOC and F for formula F.This look-up table can be demarcated by test of many times in advance, promptly at multiple different current vehicle speed and current carrying capacity, determines that corresponding in this case regenerative brake generates power, i.e. F (V, SOC) value.
As shown in Figure 2, described energy recovery ratio control device 10 can comprise reference voltage end Vref, first resistance R 1, slide rheostat R2 and A and D converter ADC, described reference voltage end Vref, first resistor R 1 and slide rheostat R2 are electrically connected successively, slide rheostat R2 is not connected to an end ground connection of first resistor R 1, described A and D converter ADC one end is connected to the point of connection between described first resistance R 1 and the slide rheostat R2, the other end is connected to described entire car controller 40, this A-D converter ADC can be converted into digital signal with the partial pressure value (this partial pressure value has promptly been represented the energy recovery ratio that sets) of slide rheostat R2, and this digital signal is sent to described entire car controller 40.Chaufeur can change its partial pressure value by the resistance value of regulating slide rheostat R2, thereby changes the energy recovery ratio.
As shown in Figure 3, described energy recovery ratio control device 10 also can comprise knob 11, and this knob 11 links to each other with the sliding end of described slide rheostat R2, and the position that the rotation of this knob 11 drives the sliding end of described slide rheostat R2 changes.Chaufeur can be controlled the position of the sliding end of slide rheostat R2 by operating this knob 11, changes the resistance value of slide rheostat R2 by this, thereby changes the energy recovery ratio.As shown in Figure 3, when knob 11 was positioned at the ZERO position, representing the energy recovery ratio was 0%; When knob 11 is positioned at the MAX position, represent the energy recovery ratio for maximum, promptly 100%.Certainly, the device that the sliding end position of slide rheostat R2 is regulated is not limited to above-mentioned knob, and any device of position adjustments of realizing all can be used for herein.
Preferably, described knob 11 is positioned at chaufeur when driving position within reach, thus chaufeur can be regulated the energy recovery ratio under the situation that does not influence its driving easily.
Preferably, as shown in Figure 4, described regenerating braking energy recovery system also can comprise display part 50 (for example, the gauge panel of vehicle), this display part 50 is electrically connected with described entire car controller 40, shows the energy recovery ratio that described energy recovery ratio control device 10 sets.By this, chaufeur can be understood current energy recovery ratio at any time, and regulates as a reference with it.
Preferably, described entire car controller 40 can generate power when non-vanishing (, when beginning to carry out regenerative brake) in actual reproduction braking, lights the stoplight stop lamp on the vehicle, is carrying out drag with this car of caution front vehicle, reminds front vehicle to maintain safe distance.
By the regenerating braking energy recovery system that adopts the utility model to provide, chaufeur can be set the energy recovery ratio according to the needs of road conditions condition and chaufeur self.The regenerating braking energy recovery system can identify the regenerative brake demand when chaufeur unclamps the throttle deceleration, light stoplight stop lamp, and the calculation expectation regenerative brake generates power, and carries out regenerative brake.At this moment, electrical motor switches to generator mode, is converted to electric energy with the kinetic energy with car load, and this electric energy is stored to on-vehicle battery afterwards, to reach the purpose of saving the energy.If chaufeur wishes farthest to save the energy, can be 100% (MAX) with the energy recovery ratio control by the energy recovery ratio control device, this moment, the actual regenerative brake power that produces was with maximum, the Vehicular battery energy will obtain farthest replenishing, also reduce simultaneously the wearing and tearing of the traditional brake gear on the vehicle, prolonged its service life.If chaufeur does not want to change former driving habit, can be 0% (ZERO) with the energy recovery ratio control by the energy recovery ratio control device, do not carry out any regenerative brake this moment.And, by being 0% (ZERO), can avoid can guaranteeing the safety of vehicle because of the regenerating braking energy recovery system causes occurring safety misadventure in the contingent fault of regenerative brake process with the energy recovery ratio control.
Though the utility model is disclosed by the foregoing description, yet the foregoing description is not in order to limit the utility model, any the utility model the technical staff in the technical field in not breaking away from spirit and scope of the present utility model, should make various changes and modification.Therefore protection domain of the present utility model should be as the criterion with the scope that appended claims was defined.
Claims (3)
1. regenerating braking energy recovery system that is used for vehicle, it is characterized in that, this system comprises energy recovery ratio control device (10), car speed sensor (20), battery management system (30) and entire car controller (40), described car speed sensor (20) and battery management system (30) are electrically connected with described entire car controller (40), described energy recovery ratio control device (10) comprises reference voltage end (Vref), first resistance (R1), slide rheostat (R2) and A and D converter (ADC), described reference voltage end (Vref), first resistor (R1) and slide rheostat (R2) are electrically connected successively, slide rheostat (R2) is not connected to an end ground connection of first resistor (R1), described A and D converter (ADC) end is connected to the point of connection between described first resistance (R1) and the slide rheostat (R2), the other end is connected to described entire car controller (40), and on behalf of energy recovery ratiometric signal, this A-D converter (ADC) will be sent to described entire car controller (40).
2. regenerating braking energy recovery system according to claim 1, it is characterized in that, described energy recovery ratio control device (10) also comprises knob (11), this knob (11) links to each other with the sliding end of described slide rheostat (R2), and the position that the rotation of this knob (11) drives the sliding end of described slide rheostat (R2) changes.
3. regenerating braking energy recovery system according to claim 1, it is characterized in that, this system also comprises display part (50), and this display part (50) is electrically connected with described entire car controller (40), shows the energy recovery ratio that described energy recovery ratio control device (10) sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201901040U CN201890156U (en) | 2010-05-10 | 2010-05-10 | Regenerative braking energy reclaiming system of vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201901040U CN201890156U (en) | 2010-05-10 | 2010-05-10 | Regenerative braking energy reclaiming system of vehicle |
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| Publication Number | Publication Date |
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| CN201890156U true CN201890156U (en) | 2011-07-06 |
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| CN2010201901040U Expired - Fee Related CN201890156U (en) | 2010-05-10 | 2010-05-10 | Regenerative braking energy reclaiming system of vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116390A (en) * | 2016-11-29 | 2018-06-05 | 丰田自动车株式会社 | Hybrid electric vehicle |
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2010
- 2010-05-10 CN CN2010201901040U patent/CN201890156U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116390A (en) * | 2016-11-29 | 2018-06-05 | 丰田自动车株式会社 | Hybrid electric vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20180510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |