CN104527403A - Power-driven system for large-scale oil-electricity hybrid power road sweeper and control strategy thereof - Google Patents
Power-driven system for large-scale oil-electricity hybrid power road sweeper and control strategy thereof Download PDFInfo
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- CN104527403A CN104527403A CN201510003702.XA CN201510003702A CN104527403A CN 104527403 A CN104527403 A CN 104527403A CN 201510003702 A CN201510003702 A CN 201510003702A CN 104527403 A CN104527403 A CN 104527403A
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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
- Y02T10/62—Hybrid vehicles
Abstract
The invention discloses a power-driven system for a large-scale oil-electricity hybrid power road sweeper and a control strategy of the power-driven system for the large-scale oil-electricity hybrid power road sweeper. The power-driven system for the large-scale oil-electricity hybrid power road sweeper comprises: power of an engine is delivered by a transmission, the power is switched between an operation system and a running system through a power switching device, one end of a battery pack is connected with a 220V charger, the other end of the battery pack is connected with an electrical machine, the coupling is carried out on the electrical machine and the power, switched to the running system through the power switching device, of the engine through a torsion coupler, and the power is output to a driving wheel. By using the power system to drive the system, the power system only needs one engine, and the power of the engine equivalent to the power of an assistant engine of an original vehicle. Under the mode of the cleaning and the transition, the engine is capable of operating at a higher load rate. The fuel economy and the discharge are clearly improved.
Description
Technical field
The present invention relates to road sweeper field, is a kind of power-driven system and control policy thereof of Large Oil electricity mixed power road sweeper.
Background technology
Road sweeper, as a kind of sanitation equipment, is a kind of efficient cleaning equipment integrating road cleaning, garbage reclamation and transport.Along with the fast development of China's urban highway, road sweeper wide market.Pickup sweeper is many reequips on two class car chassiss for tradition, is equipped with two driving engines.Only have primary engine operation during transition transport, assistant engine leaves unused; During cleaning work, sustainer, main engine rate of load condensate is very low, and fuel consumption and emission is all very poor, and two simultaneous firings, noise is large.On large-scale road sweeper, two engine powers are all very large, and car load use cost is high, arrange also bring certain difficulty to chassis.
Pure electric cleaning car is as a kind of new forms of energy sanitation cart, application is obtained in some cities, it provides energy by battery pack in the course of the work, not fuel consumption, zero-emission can be realized, noise is little, but due to the problem such as cost is high and continuous working period is short, is only confined at present on mini motor sweeper or Purely sweeping type pickup sweeper.
Extended-range electric cleaning car is compared with pure electric cleaning car, although can the manufacturing cost of car load be reduced to a certain extent and extend continuous working period, can be applied on middle-size and small-size pickup sweeper, but large-scale road sweeper is higher to cleaning Capability Requirement, operating system (especially blower fan) power demand is very large, according to range-extending technique, it is still very high to implement cost.For above situation, herein by a set of novel hybrid electric drive system being applied to large-scale road sweeper of employing, when cost obtains controlling, effectively reduce energy consumption and the discharge of pickup sweeper.
Summary of the invention
The invention provides a kind of power-driven system and control policy thereof of Large Oil electricity mixed power road sweeper, driving engine can be realized and can work expeditiously when transition transport and cleaning, and play battery power as much as possible, reach the object of energy-saving and emission-reduction.
By reference to the accompanying drawings, be described as follows:
A kind of Large Oil electricity mixed power road sweeper power-driven system, driving engine 1 is connected with switchover apparatus 4 by change-speed box 2, two mouths of switchover apparatus 4 are connected with clearing apparatus 3 and power-transfer clutch 5 respectively, and power-transfer clutch 5 other end is connected with drive wheel 7 by torsion coupler 6; On the other hand, power battery pack 9 one end is connected with 220V charger 8, and the other end is connected with motor 10, and motor 10 mouth is connected with drive wheel 7 by torsion coupler 6, places the mode of operation that a position transduser detects pickup sweeper at switchover apparatus place; A travelled distance sensor is installed at wheel place, record to output from garage cleaning of rear first time operating mode to the cleaning mileage Sq in the current time time and from this transition to the transition mileage Sz in the current time time; At envelope and vehicle frame contact position, a pressure sensor is installed to detect envelope and whether depart from vehicle frame.
A kind of Large Oil electricity mixed power road sweeper power-driven system control policy,
When under cleaning modes, driving engine and motor drive purging system and driving system respectively, battery electric quantity ensure required by every day operating time consumption of current demand, when detect when cleaning modes battery SOC reach allow electric discharge lower limit alarm, force terminate the same day clean task;
When under transition Transportation Model, driving engine and motor drive driving system in parallel hybrid power mode:
1) when travelled distance sensor detects that Sq is greater than Lq, when Sz is greater than Lz,
Lq: be the shortest cleaning mileage of every day, Lz: be two distances of cleaning between places of lie farthest away
Think that the same day, the task of cleaning completed, if now detect, battery electric quantity state SOC is greater than 0.4, then enter " power modes ", control policy ensures that driving engine works in the low load region in economic work interval as far as possible, generate electricity Multifunctional electric less, unnecessary electricity is finished as far as possible, makes full use of the electric energy stored by battery, reduce the consumption of fuel oil;
2) if detecting that Sq is greater than Lq, and after proceeding to " power modes " when Sz is greater than Lz, position transduser detects that again switchover apparatus is placed in cleaning gear, now exit " power modes ", enter cleaning modes, after proceeding to cleaning modes at every turn, Sz automatic clear, Sq continues to increase;
3) if Sq be greater than Lq with Sz be greater than Lz different time set up, control policy then during transition is " guarantor's power mode ", and control policy ensures that driving engine works in the high load region in economic work interval as far as possible, few many chargings of electricity consumption, as far as possible to battery many preservations electricity, for cleaning operating mode provides safeguard;
4) if detect, SOC is less than 0.4, be then in all the time when transition " guarantor's power mode ";
5) if pressure sensor detects that envelope is separated with vehicle frame, illustrate that lifting mechanism empties carrying out rubbish, toppled over rear preparation and opened carriage return storehouse, now proceeded to " power modes ".
Beneficial effect of the present invention:
1, reduce size and the quality of driving engine, be conducive to chassis and arrange, driving engine all has higher rate of load condensate in both modes, improves oil consumption and the discharge of car load;
2, be combination drive in parallel during transition, the discharge and recharge of battery pack can be utilized to realize engine high-efficiency work, improve fuel economy further;
3, this control policy makes can ensure enough electricity for driving system during cleaning, is finished by unnecessary for battery electricity, makes full use of battery power, reduce fuel oil consumption when can ensure again to clean task the same day.
Accompanying drawing explanation
Fig. 1 is power-driven system structural representation of the present invention;
Fig. 2 is control policy figure under transition pattern;
Fig. 3 is driving engine economic work interval graph.
Wherein: 1, driving engine; 2, change-speed box; 3, clearing apparatus; 4, switchover apparatus; 5, power-transfer clutch; 6, torsion coupler; 7, drive wheel; 8,220V charger; 9, power battery pack; 10, motor
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
The mode switching manner of power-driven system of the present invention is the switching being realized sweeping machine transition transport by described switchover apparatus and cleaned between two kinds of operating modes; Wherein:
Described transition operating mode is: engine power is accessed driving system by model selection handle by switchover apparatus, carries out power coupling, drive vehicle to travel in the mode of parallel hybrid power by torsion coupler and motor;
Described cleaning operating mode is: engine power is accessed clearing apparatus by model selection handle by switchover apparatus, and disengaging of clutch drives driving system separately by motor, and driving engine drives clearing apparatus separately.
In FIG, during transition transport, engine power imports switchover apparatus into through change-speed box, by operating handle, power is accessed driving system, now power-transfer clutch engages, and engine power reaches torsion coupler, on the other hand, power battery pack is to feeding electric motors, and the power that itself and driving engine are passed over is coupled by torsion coupler, jointly makes drive wheel travel.In FIG, during cleaning work, engine power imports switchover apparatus into through change-speed box, by operating handle, power is accessed clearing apparatus, by engine drive clearing apparatus, now disengaging of clutch, drives separately drive wheel to travel by motor.The power access clearing apparatus that driving engine comes through change-speed box transmission by switchover apparatus, Locking Device locking, the energy that motor receives power battery pack drives drive wheel separately through sun and planet gear.
In FIG, when pickup sweeper does not work, power battery pack is charged by 220V charger.
In fig. 2, the mode of operation that a position transduser detects pickup sweeper is placed at switchover apparatus place, a travelled distance sensor is installed at wheel place, record to output from garage cleaning of rear first time operating mode to the cleaning mileage Sq in the current time time and from this transition to the transition mileage Sz in the current time time, at envelope and vehicle frame contact position, a pressure sensor is installed and detects envelope and whether depart from vehicle frame.1) when travelled distance sensor detects that Sq is greater than Lq (Lq is the shortest cleaning mileage of every day), when Sz is greater than Lz (Lz is the distance between two cleaning places of lie farthest away), think that the same day, the task of cleaning completed, if now detect, battery electric quantity state SOC is greater than 0.4, then enter " power modes ", control policy ensures that driving engine works in the low load region in economic work interval as far as possible, generate electricity Multifunctional electric less, unnecessary electricity is finished as far as possible, make full use of the electric energy stored by battery, reduce the consumption of fuel oil; 2) if detecting that Sq is greater than Lq, and proceed to when Sz is greater than Lz " power modes " afterwards position transduser detect that again switchover apparatus is placed in cleaning gear, now exit " power modes ", enter cleaning modes, after proceeding to cleaning modes at every turn, Sz automatic clear, Sq continues to increase; 3) if Sq be greater than Lq with Sz be greater than Lz different time set up, control policy then during transition is " guarantor's power mode ", and control policy ensures that driving engine works in the high load region in economic work interval as far as possible, few many chargings of electricity consumption, as far as possible to battery many preservations electricity, for cleaning operating mode provides safeguard; 4) if detect, SOC is less than 0.4, be then in all the time when transition " guarantor's power mode "; 5) if pressure sensor detects that envelope is separated with vehicle frame, illustrate that lifting mechanism empties carrying out rubbish, toppled over rear preparation and opened carriage return storehouse, now proceeded to " power modes ".
In figure 3, when engine operation is between maximum torque curve and economic work district lower limit curve, fuel economy is better.Composition graphs 3, control policy under " guarantor's power mode " as table 1:1) battery SOC be greater than allow charging the upper limit soc_hi time, if car load demand torque T is greater than the maximum torque Te_max that driving engine can reach under this rotating speed, motor provides the maximum torque Tm_max that can reach under this rotating speed, driving engine provides unmet demand torque, if car load demand torque T is less than the lower limit Te_min in driving engine economic work district under this rotating speed, driving engine provides required torque T, motor does not work, if the torque of car load demand is between Te_min and Te_max, driving engine provides torque to be (T-Tm_max) and the higher value in Te_min, motor provides unmet demand torque, 2) when battery SOC is less than permission charging upper limit soc_hi next high level soc_cg, if car load demand torque T is greater than the maximum torque Te_max that driving engine can reach under this rotating speed, driving engine provides maximum torque Te_max, motor power-assisted, if car load demand torque T is less than the lower limit Te_min in driving engine economic work district under this rotating speed, driving engine provides torque to be that (T+Tsoc) (Tsoc is used for battery and charges with the higher value in Te_min
tchg is charging coefficient, and soc_lo is that battery allows electric discharge lower limit), if car load demand torque T is between Te_min and Te_max, driving engine provides torque to be (T+Tsoc) and smaller value in Te_max, and battery charges, 3) when battery SOC is between soc_hi and soc_cg, if car load demand torque T is greater than the maximum torque Te_max that driving engine can reach under this rotating speed, driving engine provides maximum torque Te_max, motor power-assisted, if car load demand torque T is less than the lower limit Te_min in driving engine economic work district under this rotating speed, motor torque is Te_min, charges the battery simultaneously, if T is between Te_min and Te_max for the torque of car load demand, driving engine provides separately torque needed for car load.
Composition graphs 3, control policy under " power modes " is as table 2:1) battery SOC is when being greater than more than soc_lo one time low value soc_cd, if car load demand torque T is greater than the maximum torque Te_max that driving engine can reach under this rotating speed, motor provides this rotating speed the lower maximum torque Tm_max that can reach, driving engine provides unmet demand torque, if car load demand torque T is less than the lower limit Te_min in driving engine economic work district under this rotating speed, driving engine provides torque to be Te_min, charge the battery simultaneously, if T is between Te_min and Te_max for the torque of car load demand, driving engine provides torque to be Te_min and the higher value in (T-Tm_max), motor provides unmet demand torque, 2) when battery SOC is less than electric discharge lower limit soc_lo (being set to 0.25), if car load demand torque T is greater than the maximum torque Te_max that driving engine can reach under this rotating speed, driving engine provides maximum torque Te_max, motor does not work, if car load demand torque T is less than the lower limit Te_min in driving engine economic work district under this rotating speed, driving engine provide torque to be (T+Tsoc ') with in Te_min higher value (Tsoc ' charge for battery
tchg is charging coefficient), if car load demand torque T is between Te_min and Te_max, driving engine provides torque to be (T+Tsoc ') and the smaller value in Te_max, charges the battery simultaneously, 3) when battery SOC is between soc_lo and soc_cd, if car load demand torque T is greater than the maximum torque Te_max that driving engine can reach under this rotating speed, driving engine provides maximum torque Te_max, motor power-assisted, if car load demand torque T is less than the lower limit Te_min in driving engine economic work district under this rotating speed, driving engine provides torque Te_min, charges the battery simultaneously, if T is between Te_min and Te_max for the torque of car load demand, driving engine provides separately required torque T.
Table 1 is the control policy under " guarantor's power mode "
Control policy during table 2 under " power modes "
Claims (2)
1. a Large Oil electricity mixed power road sweeper power-driven system, driving engine (1) is connected with switchover apparatus (4) by change-speed box (2), two mouths of switchover apparatus (4) are connected with clearing apparatus (3) and power-transfer clutch (5) respectively, and power-transfer clutch (5) other end is connected with drive wheel (7) by torsion coupler (6); On the other hand, power battery pack (9) one end is connected with 220V charger (8), the other end is connected with motor (10), motor (10) mouth is connected with drive wheel (7) by torsion coupler (6), it is characterized in that: place the mode of operation that a position transduser detects pickup sweeper at switchover apparatus place; A travelled distance sensor is installed at wheel place, record to output from garage cleaning of rear first time operating mode to the cleaning mileage Sq in the current time time and from this transition to the transition mileage Sz in the current time time; At envelope and vehicle frame contact position, a pressure sensor is installed to detect envelope and whether depart from vehicle frame.
2. a kind of Large Oil electricity mixed power road sweeper power-driven system control policy as claimed in claim 1, is characterized in that:
When under cleaning modes, driving engine and motor drive purging system and driving system respectively, battery electric quantity ensure required by every day operating time consumption of current demand, when detect when cleaning modes battery SOC reach allow electric discharge lower limit alarm, force terminate the same day clean task;
When under transition Transportation Model, driving engine and motor drive driving system in parallel hybrid power mode:
1) when travelled distance sensor detects that Sq is greater than Lq, when Sz is greater than Lz,
Lq: be the shortest cleaning mileage of every day, Lz: be two distances of cleaning between places of lie farthest away
Think that the same day, the task of cleaning completed, if now detect, battery electric quantity state SOC is greater than 0.4, then enter " power modes ", control policy ensures that driving engine works in the low load region in economic work interval as far as possible, generate electricity Multifunctional electric less, unnecessary electricity is finished as far as possible, makes full use of the electric energy stored by battery, reduce the consumption of fuel oil;
2) if detecting that Sq is greater than Lq, and after proceeding to " power modes " when Sz is greater than Lz, position transduser detects that again switchover apparatus is placed in cleaning gear, now exit " power modes ", enter cleaning modes, after proceeding to cleaning modes at every turn, Sz automatic clear, Sq continues to increase;
3) if Sq be greater than Lq with Sz be greater than Lz different time set up, control policy then during transition is " guarantor's power mode ", and control policy ensures that driving engine works in the high load region in economic work interval as far as possible, few many chargings of electricity consumption, as far as possible to battery many preservations electricity, for cleaning operating mode provides safeguard;
4) if detect, SOC is less than 0.4, be then in all the time when transition " guarantor's power mode ";
5) if pressure sensor detects that envelope is separated with vehicle frame, illustrate that lifting mechanism empties carrying out rubbish, toppled over rear preparation and opened carriage return storehouse, now proceeded to " power modes ".
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| CN201510003702.XA CN104527403B (en) | 2015-01-05 | 2015-01-05 | Power-driven system for large-scale oil-electricity hybrid power road sweeper and control strategy thereof |
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Cited By (8)
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| CN105291828A (en) * | 2015-11-05 | 2016-02-03 | 长沙丹芬瑞电气技术有限公司 | Environment-friendly vehicle single-engine system |
| CN105640445A (en) * | 2016-03-01 | 2016-06-08 | 江苏美的清洁电器股份有限公司 | Driving wheel assembly for sweep robot |
| CN105911983A (en) * | 2016-04-12 | 2016-08-31 | 长春奥普光电技术股份有限公司 | Remote-controlled intelligent cleaning vehicle for foreign matters on airport road surface |
| CN107399319A (en) * | 2017-07-12 | 2017-11-28 | 长沙中联重科环境产业有限公司 | Power control unit, hybrid power system and its control method and cleaning vehicle |
| CN108790780A (en) * | 2018-03-22 | 2018-11-13 | 河南科技大学 | A kind of control method of new oil electricity mixing sweeper power drive system |
| CN112660104A (en) * | 2021-01-05 | 2021-04-16 | 吉林大学 | Starting control method for auxiliary power unit of extended range electric automobile |
| CN113978447A (en) * | 2021-10-27 | 2022-01-28 | 岚图汽车科技有限公司 | Torque control method and related equipment |
| CN114189023A (en) * | 2021-12-16 | 2022-03-15 | 江苏木盟智能科技有限公司 | Pressure management method and mobile robot |
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| CN112660104A (en) * | 2021-01-05 | 2021-04-16 | 吉林大学 | Starting control method for auxiliary power unit of extended range electric automobile |
| CN113978447A (en) * | 2021-10-27 | 2022-01-28 | 岚图汽车科技有限公司 | Torque control method and related equipment |
| CN113978447B (en) * | 2021-10-27 | 2024-01-09 | 岚图汽车科技有限公司 | Torque control method and related equipment |
| CN114189023A (en) * | 2021-12-16 | 2022-03-15 | 江苏木盟智能科技有限公司 | Pressure management method and mobile robot |
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