CN101798801A - Hybrid power electric cleaning car - Google Patents
Hybrid power electric cleaning car Download PDFInfo
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- CN101798801A CN101798801A CN201010140941A CN201010140941A CN101798801A CN 101798801 A CN101798801 A CN 101798801A CN 201010140941 A CN201010140941 A CN 201010140941A CN 201010140941 A CN201010140941 A CN 201010140941A CN 101798801 A CN101798801 A CN 101798801A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000007600 charging Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009184 walking Effects 0.000 description 9
- 239000003921 oil Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 230000009183 running Effects 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/46—Series type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/60—Industrial applications, e.g. pipe inspection vehicles
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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 hybrid power electric cleaning car comprising a chassis, a cleaning mechanism and a water tank, wherein the cleaning mechanism and the water tank are fixed on the chassis, the chassis is driven by a drive motor, the cleaning mechanism is driven by water pump driving components, the drive motor is connected with the output end of a power battery, the input end of the power battery is connected with a charging mechanism, and the charging mechanism comprises an engine and a generator, both of which are connected. The hybrid power electric cleaning car has the advantages of simple and compact structure, low cost, good environment-friendliness, flexible and convenient control and good cleaning effect.
Description
Technical field
The present invention relates to road cleaning equipment field, relate in particular to a kind of road cleaning vehicle.
Background technology
The road cleaning vehicle of working in the city when carrying out washing and cleaning operation, generally is in the lower state of the speed of a motor vehicle, its startup, stop, driving operating modes such as idling, acceleration, braking are more frequent, and motor is in the poor efficiency district of high oil consumption, maximum discharge all the time.
The water pump of conventional clean car is that the gear drive by the chassis gearbox drives, and the rotating speed of water pump and rear wheel rotating speed have formed certain speed ratio relation, and promptly the rotating speed of water pump is directly proportional with the travel speed of cleaning Vehicle, and the rotating speed of water pump can not be controlled separately.When carrying out washing and cleaning operation, run into dirtier road surface, the rotating speed that just need improve water pump increases the hydraulic pressure and the discharge of cleaning.But along with the raising of pump rotary speed, the speed of a motor vehicle is inevitable also can be increased, and has reduced the effect of cleaning so again.Otherwise, run into cleaner location, need to improve the speed of a motor vehicle and improve the efficient of cleaning, but pump rotary speed also improves, and has increased water supply volume, also just reduced the efficient of cleaning.Therefore, no matter this cleaning Vehicle road surface actual conditions how, generally all are to carry out operation with the same speed of a motor vehicle, can not take into account cleaning performance and cleaning efficiency neatly according to actual conditions.
Other has a kind of cleaning Vehicle, for addressing the above problem, increase a Diesel engine and be used for driving water pump, though pump rotary speed can be controlled separately, Diesel engine has characteristics such as volume is big, complex structure, in the confined space of car body, arrange inconvenient, and emissions of diesel engines is polluted very serious, and rotating speed control is not really accurate, and the operation and maintenance cost is higher, noise is big, is difficult to satisfy the requirement of environmental quality.
In sum, in the today of pursuing environmental quality day by day, the cleaning Vehicle of being responsible for the city cleaning must overcome the defective of self, is satisfying the requirement of satisfying the assurance environmental quality on the basis of instructions for use simultaneously.
Summary of the invention
The technical problem to be solved in the present invention just is: at the technical problem that prior art exists, provide a kind of simple and compact for structure, with low cost, the feature of environmental protection is good, control is flexible, cleaning performance is good hybrid power electric cleaning car.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of hybrid power electric cleaning car, comprise the chassis and be fixed in wiper mechanism, water tank on the chassis, it is characterized in that: described chassis is driven by drive motors, described wiper mechanism is driven by the water pump driven unit, described drive motors links to each other with the output of electrokinetic cell, the input of described electrokinetic cell links to each other with a charging mechanism, and described charging mechanism comprises continuous motor and generator.
As a further improvement on the present invention:
The output of described drive motors links to each other with wheel on the chassis by main-gear box, power transmission shaft and main reducing gear, described water pump driven unit is a pump motor, the output of described pump motor links to each other with water pump in the wiper mechanism by shaft coupling, and the input of described pump motor links to each other with electrokinetic cell.The frequency converter of the drive motor controller of described drive motors, the engine controller of generator, pump motor all links to each other with electrokinetic cell by high-tension distribution box.
Described water pump driven unit comprises side clutch and the auxiliary transmission that links to each other successively, described drive motors output links to each other with wheel on the chassis through leading up to main-gear box, power transmission shaft and main reducing gear behind the transfer case, another road links to each other with the input of side clutch, described auxiliary transmission output links to each other with water pump in the wiper mechanism by shaft coupling, and the gear of described auxiliary transmission links to each other with hydraulic pressure unit by the control oil cylinder.The drive motor controller of described drive motors, the engine controller of generator all link to each other with electrokinetic cell by high-tension distribution box.
Described chassis is provided with subframe, and described subframe is provided with casing, and described casing comprises forward and backward two sections, by motor and generator are installed in the leading portion of headstock, by in the back segment of the tailstock electrokinetic cell is being installed.
Be furnished with the noise reduction cotton on the leading portion inwall of described casing, filling with insulation material between the front and rear sections of described casing.
Described motor head is equipped with cooler, and the water inlet pipe and water outlet pipe of described cooler is connected with the motor intake-outlet respectively, and plural electric fan is installed between described cooler and the motor.
Compared with prior art, the invention has the advantages that:
Hybrid power electric cleaning car of the present invention has changed the type of drive of water pump, water pump control more flexibly, convenient, make cleaning Vehicle take different working methods according to different road conditions.The main power source of hybrid power electric cleaning car is an electric power, and fuel oil is an auxiliary power source, and when power shortage, auxiliary power source provides energy for main power system, keeps the running of cleaning Vehicle.This new power form has overcome the shortcoming of traditional fuel oil cleaning Vehicle and electric cleaning car, cleaning Vehicle can be in operation under the electric-only mode, have the zero-emission of pure electric cleaning car, the advantage of low noise, again can be in operation under the hybrid mode, electrokinetic cell is in time charged, break through continual mileage fully to the restriction that electric cleaning car uses, prolonged the application life of electrokinetic cell, expanded the scope of application of electric cleaning car.
Description of drawings
Fig. 1 is the principle schematic of the specific embodiment of the invention 1;
Fig. 2 is the main TV structure schematic diagram of the specific embodiment of the invention 1;
Fig. 3 is the principle schematic of the specific embodiment of the invention 2;
Fig. 4 is the plan structure schematic diagram of the specific embodiment of the invention 2.
Marginal data:
1, main clutch; 2, main-gear box; 3, power transmission shaft; 4, electrokinetic cell; 5, water tank; 6, atomization mechanism; 7, boot; 8, cat ladder; 9, water pump; 10, pump motor; 11, angle shower nozzle; 12, shaft coupling; 13, motor; 14, drive motor controller; 15, drive motors; 16, cooler; 17, electric fan; 18, high-tension distribution box; 19, chassis ridgepole; 20, engine controller; 21, water frame; 22, driver's cabin; 23, entire car controller; 24, frequency converter; 25, subframe; 26, casing; 27, main reducing gear; 28, trailing wheel; 29, heat-barrier material; 30, noise reduction cotton; 31, generator; 32, low-tension distribution box; 33, bell housing; 34, side clutch; 35, auxiliary transmission; 36, control oil cylinder; 37, hydraulic pressure unit; 38, transfer case.
The specific embodiment
Below with reference to Figure of description and specific embodiment the present invention is described in further details.
Embodiment 1: as depicted in figs. 1 and 2, hybrid power electric cleaning car of the present invention is a kind of cleaning Vehicle that possesses fuel oil and two kinds of power of electric power, and its walking and pump working are driven respectively by two motors.This hybrid power electric cleaning car, comprise the chassis and be fixed in wiper mechanism, water tank 5 on the chassis, the chassis is driven by drive motors 15, wiper mechanism is driven by the water pump driven unit, drive motors 15 links to each other with the output of electrokinetic cell 4, the input of electrokinetic cell 4 links to each other with a charging mechanism, and charging mechanism comprises continuous motor 13 and generator 31.The output of drive motors 15 links to each other with wheel on the chassis by main-gear box 2, power transmission shaft 3 and main reducing gear 27, the water pump driven unit is a pump motor 10, the output of pump motor 10 links to each other with water pump 9 in the wiper mechanism by shaft coupling 12, and the input of pump motor 10 links to each other with electrokinetic cell 4.The chassis is provided with boot 7 and cat ladder 8.
In the present embodiment, subframe 25 is fixed on the chassis ridgepole 19 of driver's cabin 22 back, 25 liang of side lower parts of subframe respectively have a casing, water pump 9 is installed in the casing of bottom, left side of subframe 25, engine controller 20, low-tension distribution box 32 are installed in the casing of lower right side of subframe 25, make full use of installing space, make the layout of parts more reasonable.Water pump 9 is connected with pump motor 10 by shaft coupling 12, pump motor 10 is connected with electrokinetic cell 4 by frequency converter 24, electrokinetic cell 4 is to pump motor 10 power supplies, pump motor 10 independent direct connections drive water pump 9, reduced transmission loss, frequency converter 24 control of pump 9 rotating speeds, control is convenient and efficient is high.Subframe 25 tops are connected with casing 26, and casing 26 comprises forward and backward two sections, at the leading portion by headstock motor 13 and generator 31 have been installed, and motor 13 drives generator 31 running generatings, to electrokinetic cell 4, drive motors 15, pump motor 10 power supplies; At back segment electrokinetic cell 4 has been installed, high-tension distribution box 18, entire car controller 23, frequency converter 24 have been installed on the top of electrokinetic cell 4 by the tailstock.The present invention separates high-tension distribution box 18 and low-tension distribution box 32, thereby has reduced electrical Interference.Be furnished with noise reduction cotton 30 on the leading portion inwall of casing 26, the noise that produces when being used to eliminate motor 13 runnings; Filling with insulation material 29 between the casing front and rear sections, are used for preventing the electric fixtures operate as normal of the temperatures involved back segment that motor 13 runnings of leading portion produce.Motor 13 front ends are equipped with cooler 16, and the water inlet pipe and water outlet pipe of cooler 16 is connected with motor 13 intake-outlets; Two electric fans 17 are installed between cooler 16 and the motor 13, and electric fan 17 is according to the temperature height start-stop automatically of motor 13, conserve energy.Motor 13 is connected by bell housing 33 with generator 31, thereby simple in structure, axial dimension is little.High-tension distribution box 18 links together engine controller 20, electrokinetic cell 4, frequency converter 24, drive motor controller 14, realizes the conveying of current energy.Water tank 5 is installed in casing 26 rear portions, is fixed on the chassis ridgepole 19.The water frame 21 of wiper mechanism is installed in the front portion of cleaning Vehicle, has arranged uniform a series of shower nozzles at interval on it; An angle shower nozzle 11 respectively is housed about water frame 21 rear portions; Atomization mechanism 6 is fixed on the top, water tank 5 rear portions; Water pump 9 is connected with shower nozzle, angle shower nozzle 11 and atomization mechanism 6 on the water frame 21 by pipeline; Water frame 21 can move up and down, and makes shower nozzle alterable height overhead, can deflect, and adapts to different operation needs.Drive motors 15 is installed in driver's cabin 22 bottoms, be connected with the main clutch 1 on the chassis, drive trailing wheel 28 walkings by main-gear box 2, power transmission shaft 3, main reducing gear 27, its drive motor controller 14 is installed in drive motors 15 tops, drive motors 15 is connected with electrokinetic cell 4 by drive motor controller 14, electrokinetic cell 4 provides electric power to drive motors 15, realizes pure electric walking.
In the present embodiment, its walking and pump working are driven respectively by two motors, and be separate during operation, and pump motor 10 is by frequency converter 24 controls, can satisfy different cleaning requirements according to the different pump rotary speed of the very accurate adjusting of road conditions.
Embodiment 2: as shown in Figure 3 and Figure 4, this hybrid power electric cleaning car, comprise the chassis and be fixed in wiper mechanism, water tank 5 on the chassis, the chassis is driven by drive motors 15, wiper mechanism is driven by the water pump driven unit, drive motors 15 links to each other with the output of electrokinetic cell 4, and the input of electrokinetic cell 4 links to each other with a charging mechanism, and charging mechanism comprises continuous motor 13 and generator 31.The water pump driven unit comprises side clutch 34 and the auxiliary transmission 35 that links to each other successively, drive motors 15 outputs link to each other with wheel on the chassis through leading up to main-gear box 2, power transmission shaft 3 and main reducing gear 27 behind the transfer case 38, another road links to each other with the input of side clutch 34, auxiliary transmission 35 outputs link to each other with water pump 9 in the wiper mechanism by shaft coupling 12, and the gear of auxiliary transmission 35 links to each other with hydraulic pressure unit 37 by controlling oil cylinder 36.
After the present invention adopted above-mentioned two kinds of technical schemes, the walking of cleaning Vehicle and pump working used the rotating speed of electric means control of pump 9 by motor-driven among the embodiment 1, used the control of frame for movement realization to water pump 9 among the embodiment 2.
When the capacity of electrokinetic cell 4 was sufficient, embodiment 1 and embodiment 2 all can walk and washing and cleaning operation under electric-only mode, had the advantage of zero-emission and low noise this moment; When the capacity of electrokinetic cell 4 drops to a certain degree, for making electrokinetic cell 4 be unlikely to overdischarge, entire car controller 23 automatic starter-generator groups are generated electricity, use for walking and washing and cleaning operation, unnecessary electric power is to electrokinetic cell 4 chargings, the generating set power output of this moment is constant, and is operated in the rotary speed area of high efficiency, low emission, low noise, and is very favourable to the fuel economy and the discharge performance of car load; After electrokinetic cell 4 chargings were finished, generating set was out of service automatically.
The hybrid power electric cleaning car work of employing the technical program one day, its pure electronic mode of operation can account for 50%, remaining working time starter-generator group, with most economical state-driven walking and washing and cleaning operation, and, can prolong the application life of electrokinetic cell 4 to electrokinetic cell 4 charging, also can solve the pure electric cleaning car short shortcoming of continual mileage of once charging, the working time and the workload that overcome every day are subjected to the electric weight restriction, influence the defective that vehicle uses.
This technical scheme had both solved the independent control problem of cleaning Vehicle water pump, had reduced the exhaust emission and the noise problem of fuel engines again, also made the activity duration of cleaning Vehicle and the restriction that the operation distance is not subjected to battery capacity.
Below only be preferred implementation of the present invention, protection scope of the present invention also not only is confined to the foregoing description, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under the principle of the invention prerequisite all should be considered as protection scope of the present invention.
Claims (8)
1. hybrid power electric cleaning car, comprise the chassis and be fixed in wiper mechanism, water tank (5) on the chassis, it is characterized in that: described chassis is driven by drive motors (15), described wiper mechanism is driven by the water pump driven unit, described drive motors (15) links to each other with the output of electrokinetic cell (4), the input of described electrokinetic cell (4) links to each other with a charging mechanism, and described charging mechanism comprises continuous motor (13) and generator (31).
2. hybrid power electric cleaning car according to claim 1, it is characterized in that: the output of described drive motors (15) links to each other with wheel on the chassis by main-gear box (2), power transmission shaft (3) and main reducing gear (27), described water pump driven unit is a pump motor (10), the output of described pump motor (10) links to each other with water pump (9) in the wiper mechanism by shaft coupling (12), and the input of described pump motor (10) links to each other with electrokinetic cell (4).
3. hybrid power electric cleaning car according to claim 1, it is characterized in that: described water pump driven unit comprises side clutch (34) and the auxiliary transmission (35) that links to each other successively, described drive motors (15) output is leaded up to main-gear box (2) behind transfer case (38), power transmission shaft (3) and main reducing gear (27) link to each other with wheel on the chassis, another road links to each other with the input of side clutch (34), described auxiliary transmission (35) output links to each other with water pump (9) in the wiper mechanism by shaft coupling (12), and the gear of described auxiliary transmission (35) passes through to control oil cylinder (36) and links to each other with hydraulic pressure unit (37).
4. according to claim 1 or 3 described hybrid power electric cleaning cars, it is characterized in that: the drive motor controller (14) of described drive motors (15), the engine controller (20) of generator (31) all link to each other with electrokinetic cell (4) by high-tension distribution box (18).
5. hybrid power electric cleaning car according to claim 2 is characterized in that: the frequency converter (24) of the drive motor controller (14) of described drive motors (15), the engine controller (20) of generator (31), pump motor (10) all links to each other with electrokinetic cell (4) by high-tension distribution box (18).
6. according to claim 1 or 2 or 3 described hybrid power electric cleaning cars, it is characterized in that: described chassis is provided with subframe (25), described subframe (25) is provided with casing (26), described casing (26) comprises forward and backward two sections, by in the leading portion of headstock motor (13) and generator (31) are being installed, electrokinetic cell (4) are being installed by in the back segment of the tailstock.
7. hybrid power electric cleaning car according to claim 6 is characterized in that: be furnished with noise reduction cotton (30) on the leading portion inwall of described casing (26), filling with insulation material (29) between the front and rear sections of described casing (26).
8. according to claim 1 or 2 or 3 described hybrid power electric cleaning cars, it is characterized in that: described motor (13) front end is equipped with cooler (16), the water inlet pipe and water outlet pipe of described cooler (16) is connected with the intake-outlet of motor (13) respectively, between described cooler (16) and the motor (13) plural electric fan (17) is installed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101409417A CN101798801B (en) | 2010-04-07 | 2010-04-07 | Hybrid power electric cleaning car |
| PCT/CN2011/072445 WO2011153867A1 (en) | 2010-04-07 | 2011-04-02 | Hybrid electric cleaning vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101409417A CN101798801B (en) | 2010-04-07 | 2010-04-07 | Hybrid power electric cleaning car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101798801A true CN101798801A (en) | 2010-08-11 |
| CN101798801B CN101798801B (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101409417A Active CN101798801B (en) | 2010-04-07 | 2010-04-07 | Hybrid power electric cleaning car |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101798801B (en) |
| WO (1) | WO2011153867A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011153867A1 (en) * | 2010-04-07 | 2011-12-15 | 长沙中联重工科技发展股份有限公司 | Hybrid electric cleaning vehicle |
| CN102935813A (en) * | 2012-11-27 | 2013-02-20 | 王海龙 | Self-direction medicine taking car |
| CN103158677A (en) * | 2011-12-19 | 2013-06-19 | 北汽福田汽车股份有限公司 | Cleaning system used on engineering machinery and engineering machinery provided with cleaning system |
| CN103464407A (en) * | 2013-09-16 | 2013-12-25 | 北京博隆利昂科技有限公司 | Numerical-control hybrid power source movable cleaning machine |
| CN103603304A (en) * | 2013-11-28 | 2014-02-26 | 长沙中联重科环卫机械有限公司 | Street cleaning vehicle and rubbish sucking control method thereof |
| CN104442350A (en) * | 2014-12-29 | 2015-03-25 | 福建龙马环卫装备股份有限公司 | Special chassis for oil-electric hybrid driving sanitation truck |
| CN104652335A (en) * | 2015-02-06 | 2015-05-27 | 福建龙马环卫装备股份有限公司 | Pure electric minis-sized pavement maintenance vehicle |
| CN106564368A (en) * | 2015-10-09 | 2017-04-19 | 徐工集团工程机械股份有限公司 | Hybrid power drive system and vehicle |
| CN108842709A (en) * | 2018-07-16 | 2018-11-20 | 张少芹 | A kind of municipal and environment-friendly watering device for being convenient for adjusting watering angle |
| CN109958739A (en) * | 2017-12-22 | 2019-07-02 | 河南森源重工有限公司 | Transfer case, transfer box assembly and sweeper |
| CN112124063A (en) * | 2020-09-28 | 2020-12-25 | 芜湖安行汽车科技有限公司 | Parallel oil-electricity hybrid airport fire fighting truck chassis |
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| CN102767152B (en) * | 2012-08-07 | 2014-12-03 | 中联重科股份有限公司 | Method for controlling operation of cleaning and sweeping trolley, controller and cleaning and sweeping trolley |
| CN104868376A (en) * | 2015-06-05 | 2015-08-26 | 桐乡市太阁灯具有限公司 | Low-noise electrical switch cabinet |
| IT201700082735A1 (en) * | 2017-07-20 | 2019-01-20 | Tenax Int S R L | Improved self-propelled street washer machine |
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| CN201264511Y (en) * | 2008-08-29 | 2009-07-01 | 沈阳华晨金杯汽车有限公司 | Hybrid power structure of motor vehicle |
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