CN219446743U - Hybrid power system of range extender of aerial working platform - Google Patents
Hybrid power system of range extender of aerial working platform Download PDFInfo
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- CN219446743U CN219446743U CN202320597767.1U CN202320597767U CN219446743U CN 219446743 U CN219446743 U CN 219446743U CN 202320597767 U CN202320597767 U CN 202320597767U CN 219446743 U CN219446743 U CN 219446743U
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model provides a hybrid power system of a range extender of an aerial working platform, and belongs to the technical field of electronics. The high-altitude operation platform solves the problem that the existing high-altitude operation platform still has larger environmental pollution. This high altitude construction platform increases journey ware hybrid power system includes power battery, be used for providing the journey ware that increases of electric energy and be used for carrying out high altitude construction's power assembly, increase journey ware and connect power battery and power assembly respectively, this high altitude construction platform increases journey ware hybrid power system still including being used for carrying out the battery management module that monitors to the power battery electric quantity condition, increase journey ware including the engine, with engine mechanical connection's PMSM and be used for according to battery management module monitoring battery electric quantity control engine start stop and to the motor controller that the power generation of PMSM carries out control, PMSM and battery management module are connected respectively to motor controller. The utility model can reduce environmental pollution and improve the duration.
Description
Technical Field
The utility model belongs to the technical field of electronics, and relates to a range extender hybrid power system of an aerial working platform.
Background
In recent years, with the continuous aggravation of energy and environmental crisis, along with the increasingly strict global requirements on non-road mobile machinery emission and the increasingly mature new energy technologies, domestic engineering machinery head enterprises begin to perform electric layout, and each enterprise sequentially promotes various electric products and searches for blue sea markets. Although enterprises exert force successively and push out various types and kinds of electric products, the electric products are difficult to operate continuously for a long time due to insufficient battery capacity, and often cause great inconvenience for people to use, so the utilization rate of engineering machinery electric products is still lower.
Because the electric product has the defects, and because the special property of the engineering machinery requires larger power during the period of time, most engineering machinery equipment still needs to adopt a diesel engine as a power source, the electric engineering of the engineering machinery is difficult to develop, the continuous use of the diesel engine causes serious exceeding of carbon emission, and the range extender is used as equipment capable of providing additional electric energy, so that the problem of short continuous operation time of the electric product is effectively compensated, but when the traditional range extender system is used, the range extender is frequently started due to unreasonable design, so that the environmental noise is large, and the environmental pollution is still not greatly improved.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a range extender hybrid power system for an aerial working platform, which aims to solve the technical problems that: how to improve the environment pollution while improving the duration.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides an overhead working platform increases journey ware hybrid power system, includes power battery, is used for providing the journey ware that increases of electric energy and is used for carrying out overhead working's power assembly, increase journey ware and connect power battery and power assembly respectively, this overhead working platform increases journey ware hybrid power system still including the battery management module that is used for monitoring the power battery electric quantity condition, increase journey ware including the engine, with engine mechanical connection's PMSM and be used for according to battery management module monitoring battery electric quantity control engine start stop and to the motor controller that the power generation of PMSM controlled, motor controller connects PMSM and battery management module respectively.
When the hybrid power system of the range extender of the aerial work platform is used, the power battery provides electric energy for aerial work of the power assembly, the battery management module monitors the electric quantity condition of the power battery in real time and sends the electric quantity condition to the motor controller, the motor controller is used for controlling starting and stopping of an engine and the power generation of the permanent magnet synchronous generator according to the electric quantity condition monitored by the battery management module, if a charging threshold value and a stopping charging threshold value are set, when the electric quantity of the power battery is monitored to be lower than the charging threshold value, the motor controller controls the engine to start so as to drive the permanent magnet synchronous generator to work for generating electricity, and meanwhile, the power generation power of the permanent magnet synchronous generator is controlled to increase along with the reduction of the electric quantity, so that the electric quantity of the power battery can be charged to the set stopping charging threshold value quickly, namely, the charging capacity can meet the requirement of aerial work, the working time of the range extender can be reduced, environmental noise is effectively reduced, and when the power battery is sufficient, the engine is controlled to stop, the power generation power of the permanent magnet synchronous generator is controlled to be zero, namely the permanent magnet synchronous generator is not controlled to work, and the whole permanent magnet synchronous generator is mainly used as a main power source. The system design range extender can start to work only when the electric quantity condition of the power battery is lower than the charging threshold value, and controls the power generation frequency of the range extender, so that the charging capacity can be ensured to meet the requirement of high-altitude operation, and meanwhile, the frequent use of the range extender can be reduced, and the environmental pollution is effectively improved.
In the above-mentioned high altitude construction platform increases journey ware hybrid power system, the motor controller still is connected with the mode selection switch that is used for carrying out the switching to the working pattern of high altitude construction platform, mode selection switch is including the first switch that is used for getting into the independent power supply mode of power battery, be used for getting into the second switch that power battery and journey ware are power supply mode simultaneously and be used for getting into the third switch that journey ware is power supply mode alone. The mode selection switch is arranged, so that an operator can select a corresponding power supply mode according to own requirements, and the control is more humanized.
In the hybrid power system of the range extender of the aerial working platform, the range extender further comprises a low-voltage battery for starting an engine and a rectifier for rectifying alternating current generated by the permanent magnet synchronous generator into direct current, and the permanent magnet synchronous generator is connected with the power battery through the rectifier.
In the above-mentioned high altitude construction platform increases journey ware hybrid power system, high altitude construction platform increases journey ware hybrid power system still includes and is connected with motor controller and be used for adjusting power assembly output when increasing journey ware and supplying power alone whole car controller, whole car controller is connected with power assembly. When the range extender supplies power independently, the whole vehicle controller controls the power assembly to output power lower than the power generation power of the range extender, so that the aerial work can be continued.
In the above-mentioned high altitude construction platform increases journey ware hybrid power system, high altitude construction platform increases journey ware hybrid power system still includes the display screen that is used for carrying out real-time display to the power battery electric quantity condition, the display screen with battery management module connects. Through the setting of display screen, can make operating personnel know power battery's actual electric quantity condition in real time, according to the electric quantity condition, independently make the operation, if charge power battery according to the electric quantity condition when the high altitude construction is finished, provide the guarantee for the high altitude construction of next time, avoid frequently starting the condition emergence of journey extender.
In the above-mentioned high altitude construction platform increases journey ware hybrid power system, high altitude construction platform increases journey ware hybrid power system still includes the alarm that is used for reporting to the police to the low electric quantity condition of power battery, the alarm with battery management module connects. The alarm is arranged, so that the situation that the service life of the power battery is reduced due to the fact that the electric quantity of the power battery is too low for continuous use can be avoided.
In the above-mentioned high altitude construction platform increases journey ware hybrid power system, high altitude construction platform increases journey ware hybrid power system still includes the CAN bus, whole vehicle control unit, motor control unit and battery management module all carry out communication through the CAN bus and connect.
Compared with the prior art, the hybrid power system of the range extender of the aerial work platform takes the power battery as a main power source, takes the range extender as an auxiliary power source, starts the range extender to generate power when the electric quantity of the main power source is insufficient, continuously provides power supply electric energy for aerial work, effectively reduces the problem of serious environmental pollution caused by long-term use of an engine originally, and solves the problem of long duration caused by insufficient power battery capacity of electric equipment by reasonable design of the range extender.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure, 1, a power battery; 2. a vehicle controller; 3. a power assembly; 4. a range extender; 41. an engine; 42. a permanent magnet synchronous generator; 43. a motor controller; 44. a low voltage battery; 45. a rectifier; 5. a battery management module; 6. a mode selection switch; 61. a first switch; 62. a second switch; 63. a third switch; 7. a display screen; 8. an alarm; 9. and a CAN bus.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the hybrid power system of the lift operation platform range extender comprises a power battery 1, a battery management module 5 for monitoring the electric quantity condition of the power battery 1, a range extender 4 for providing electric energy and a power assembly 3 for executing the lift operation, wherein the power battery 1 is connected with the power assembly 3, the range extender 4 comprises an engine 41, a permanent magnet synchronous generator 42 mechanically connected with the engine 41, a low-voltage battery 44 for starting the engine 41, a rectifier 45 for rectifying alternating current generated by the permanent magnet synchronous generator 42 into direct current, and a motor controller 43 for controlling the starting and stopping of the engine 41 and controlling the generated power of the permanent magnet synchronous generator 42 according to the electric quantity monitored by the battery management module 5, the permanent magnet synchronous generator 42 is respectively connected with the power battery 1 and the power assembly 3 through the rectifier 45, the motor controller 43 is connected with the permanent magnet synchronous generator 42 for charging the power battery 1 and providing electric energy to the power assembly 3.
The motor controller 43 is further connected with a mode selection switch 6 for switching the working mode of the aerial work platform, and the mode selection switch 6 comprises a first switch 61 for entering the independent power supply mode of the power battery 1, a second switch 62 for entering the independent power supply mode of the power battery 1 and the range extender 4, and a third switch 63 for entering the independent power supply mode of the range extender 4. The motor controller 43 is also connected with a vehicle controller 2 for adjusting the output power of the power assembly 3 when the range extender 4 is independently powered. In the present embodiment, the battery management module 5, the motor controller 43, and the vehicle controller 2 are communicatively connected through the CAN bus 9.
The battery management module 5 is also connected with a display screen 7 for displaying the electricity quantity condition of the power battery 1 in real time and an alarm 8 for alarming the low-electricity condition of the power battery 1.
The hybrid power system of the range extender of the aerial working platform takes a power battery 1 as a main power source of the whole machine, takes a range extender 4 as an auxiliary charging device, is used for charging the power battery 1, and is mainly used in engineering machinery equipment such as a crane. When the power system is used, the power battery 1 provides electric energy for high-altitude operation of the power assembly 3, at the moment, the battery management module 5 monitors the electric quantity condition of the power battery 1 in real time and transmits the electric quantity condition of the power battery 1 to the motor controller 43 through the CAN bus 9, meanwhile, the electric quantity condition of the power battery 1 is displayed through the display screen 7, when the electric quantity value of the power battery 1 is received on the CAN bus 9, the motor controller 43 controls the starting and stopping of the engine 41 and the power generation of the permanent magnet synchronous generator 42 according to the electric quantity condition monitored by the battery management module 5, for example, a charging threshold value and a stopping charging threshold value are set, when the electric quantity of the power battery 1 is monitored to be lower than the charging threshold value, the motor controller 43 controls the engine 41 to start and drive the permanent magnet synchronous generator 42 to generate electricity, the charging threshold value CAN be set according to human factors, for example, when the electric quantity of the power battery 1 is lower than 30% or 40% of the total electric quantity of the power, the power generation power of the permanent magnet synchronous generator 42 is controlled to be increased along with the reduction of the electric quantity, the charging quantity CAN reach the set stopping charging threshold value quickly, environmental pollution caused by the extender 4 for a long time is avoided, when the charging threshold value is greater than the charging threshold value, for the charging threshold value is set, the charging threshold value is set to be higher than the charging threshold value, and the permanent magnet synchronous generator is designed, the problem that the permanent magnet synchronous generator is frequently stops and the power generator 42 is controlled to stop and the power generator is controlled to work when the power generator is not to stop and is controlled to stop the power generator is frequently to stop and has the power charging generator 42. When the power battery 1 is used as a power source for working, the corresponding working mode can be selected through the first switch 61, the second switch 62 and the third switch 63 of the mode selection switch 6, when the first switch 61 is pressed, the motor controller 43 does not control the working of the range extender 4, namely, the pure electric working mode is entered, when the second switch 62 is pressed, the motor controller 43 controls the working of the range extender 4, namely, the state that the range extender 4 and the power battery 1 work together is entered, when the third switch 63 is pressed, the working of the range extender 4 is controlled and simultaneously signals are sent to the battery management module 5, so that the power battery 1 is controlled to be turned off, the control is more humanized, and the requirements of people on electric products can be met. The hybrid power system of the range extender of the aerial working platform is used, so that pollution caused by long-term use of the engine 41 is effectively reduced, the cruising ability of the power battery 1 is effectively prolonged under the use of the range extender 4, and the problem of short duration of the existing electric product is solved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The utility model provides an aerial working platform increases journey ware hybrid power system, includes power battery (1), is used for providing journey ware (4) of electric energy and is used for carrying out aerial working's power assembly (3), increase journey ware (4) and connect power battery (1) and power assembly (3) respectively, characterized in that, this aerial working platform increases journey ware hybrid power system still includes battery management module (5) that are used for monitoring power battery (1) electric quantity condition, increase journey ware (4) include engine (41), with engine (41) mechanical connection's PMSM (42) and be used for according to battery management module (5) monitor battery electric quantity control engine (41) start-stop and to PMSM (42) power generation's motor controller (43), PMSM (42) and battery management module (5) are connected respectively.
2. The overhead working platform range extender hybrid power system according to claim 1, wherein the motor controller (43) is further connected with a mode selection switch (6) for switching the working mode of the overhead working platform, the mode selection switch (6) comprising a first switch (61) for entering the power battery (1) alone power supply mode, a second switch (62) for entering the power battery (1) and range extender (4) together power supply mode, and a third switch (63) for entering the range extender (4) alone power supply mode.
3. The lift extender hybrid system according to claim 1, characterized in that the lift extender (4) further comprises a low-voltage battery (44) for starting the engine (41) and a rectifier (45) for rectifying the alternating current generated by the permanent magnet synchronous generator (42) into direct current, the permanent magnet synchronous generator (42) being connected with the power battery (1) through the rectifier (45).
4. A lift-extending hybrid system according to claim 2 or 3, further comprising a whole vehicle controller (2) connected with the motor controller (43) for adjusting the output power of the power assembly (3) when the lift-extending device (4) is independently powered, wherein the whole vehicle controller (2) is connected with the power assembly (3).
5. A lift-extending hybrid system according to claim 1, 2 or 3, characterized in that the lift-extending hybrid system further comprises a display screen (7) for displaying the electric quantity of the power battery (1) in real time, and the display screen (7) is connected with the battery management module (5).
6. A lift-extension hybrid system according to claim 1, 2 or 3, characterized in that the lift-extension hybrid system further comprises an alarm (8) for alerting the power battery (1) to a low-power condition, the alarm (8) being connected to the battery management module (5).
7. The high-altitude operation platform range extender hybrid power system according to claim 4, further comprising a CAN bus (9), wherein the whole vehicle controller (2), the motor controller (43) and the battery management module (5) are all in communication connection through the CAN bus (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320597767.1U CN219446743U (en) | 2023-03-23 | 2023-03-23 | Hybrid power system of range extender of aerial working platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320597767.1U CN219446743U (en) | 2023-03-23 | 2023-03-23 | Hybrid power system of range extender of aerial working platform |
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| CN219446743U true CN219446743U (en) | 2023-08-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117341535A (en) * | 2023-12-04 | 2024-01-05 | 四川鼎鸿智电装备科技有限公司 | Intelligent electric engineering machinery energy management method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117341535A (en) * | 2023-12-04 | 2024-01-05 | 四川鼎鸿智电装备科技有限公司 | Intelligent electric engineering machinery energy management method and system |
| CN117341535B (en) * | 2023-12-04 | 2024-02-06 | 四川鼎鸿智电装备科技有限公司 | Intelligent electric engineering machinery energy management method and system |
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