CN113895239B - Electric work machine and energy recovery method and device thereof - Google Patents
Electric work machine and energy recovery method and device thereof Download PDFInfo
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- CN113895239B CN113895239B CN202111107730.8A CN202111107730A CN113895239B CN 113895239 B CN113895239 B CN 113895239B CN 202111107730 A CN202111107730 A CN 202111107730A CN 113895239 B CN113895239 B CN 113895239B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
Abstract
The invention provides an electric working machine and an energy recovery method and device thereof, wherein the energy recovery method of the electric working machine comprises the following steps: acquiring the working condition parameters of the whole electric working machine; acquiring the opening of an accelerator pedal when the working condition parameters of the whole vehicle are in the range of the recovery working condition; acquiring a maximum energy recovery switch triggering state under the condition that the opening of an accelerator pedal is smaller than a target opening threshold value; acquiring the opening degree of a brake pedal under the condition that the triggering state of the maximum energy recovery switch is closed; based on the opening degree of the brake pedal, an energy recovery control instruction is output, and the energy recovery control instruction is used for controlling the energy recovery mechanism to recover energy according to the target recovery intensity. According to the electric working machine, the energy recovery method and the device thereof, which are provided by the invention, the recovery strength is determined to be adopted for energy recovery according to the opening degree of the accelerator pedal, the opening degree of the brake pedal and the triggering state of the maximum energy recovery switch, so that the operation of a driver is more flexible, and the energy utilization rate and the working time are improved.
Description
Technical Field
The invention relates to the technical field of electric working machines, in particular to an electric working machine and an energy recovery method and device thereof.
Background
The electric working machine often needs to bear goods with larger weight or work equipment to run on a road, and has larger load, so that higher energy supply is needed, the electric working machine converts electric energy into mechanical energy in the working process, and under the condition of carrying out high-energy-consumption transportation work, how to save energy sources and recycle the energy sources are increasingly concerned.
The prior electric working machine does not adopt the scheme of energy recycling, and the prior electric working machine has lower utilization rate of energy and shorter working time.
Disclosure of Invention
The invention provides an electric working machine and an energy recovery method and device thereof, which are used for solving the defects of lower energy utilization rate and shorter working time in the prior art, realizing more flexible operation of a driver, improving the energy utilization rate and improving the working time.
The invention provides an energy recovery method of an electric working machine, comprising the following steps: acquiring the working condition parameters of the whole electric working machine; acquiring the opening degree of an accelerator pedal when the working condition parameters of the whole vehicle are in the range of the recovery working condition; acquiring a maximum energy recovery switch triggering state under the condition that the opening of the accelerator pedal is smaller than a target opening threshold value; acquiring the opening degree of a brake pedal under the condition that the triggering state of the maximum energy recovery switch is closed; and outputting an energy recovery control instruction based on the opening degree of the brake pedal, wherein the energy recovery control instruction is used for controlling an energy recovery mechanism to recover energy according to the target recovery intensity.
According to the energy recovery method of the electric working machine provided by the invention, the energy recovery method of the electric working machine further comprises the following steps: and outputting a maximum energy recovery instruction under the condition that the trigger state of the maximum energy recovery switch is on, wherein the maximum energy recovery instruction is used for controlling the energy recovery mechanism to recover energy according to the maximum energy recovery intensity.
According to the energy recovery method of an electric working machine provided by the invention, the energy recovery control command is output based on the opening degree of the brake pedal, and the method comprises the following steps: and outputting a pause recovery command for controlling the energy recovery mechanism to pause recovery of energy under the condition that the opening degree of the brake pedal is smaller than a first opening degree threshold value.
According to the energy recovery method of an electric working machine provided by the invention, the energy recovery control command is output based on the opening degree of the brake pedal, and the method comprises the following steps: and outputting a brake recovery command when the opening of the brake pedal is larger than a second opening threshold, wherein the second opening threshold is larger than the first opening threshold, and the brake recovery command is used for controlling the energy recovery mechanism to recover energy according to the brake recovery intensity.
According to the energy recovery method of an electric working machine provided by the invention, the energy recovery control command is output based on the opening degree of the brake pedal, and the method comprises the following steps: receiving a first input from a user when the brake pedal opening is greater than the first opening threshold and less than the second opening threshold; responding to the first input to obtain target recovery intensity; outputting the taxi reclaiming instruction based on the target reclaiming intensity.
According to the energy recovery method of the electric working machine provided by the invention, the first input of the user is received, and the method comprises the following steps: the first input is received through a recovery intensity adjustment switch having a plurality of gears.
The present invention also provides an energy recovery device for an electric working machine, the energy recovery device comprising: the first acquisition module is used for acquiring the working condition parameters of the whole vehicle of the electric working machine; the second acquisition module is used for acquiring the opening of the accelerator pedal when the working condition parameters of the whole vehicle are in the range of the recovery working condition; the third acquisition module is used for acquiring the triggering state of the maximum energy recovery switch under the condition that the opening of the accelerator pedal is smaller than a target opening threshold value; the fourth acquisition module is used for acquiring the opening degree of the brake pedal under the condition that the trigger state of the maximum energy recovery switch is closed; and the output module is used for outputting an energy recovery control instruction based on the opening degree of the brake pedal and the maximum energy recovery switch, and the energy recovery control instruction is used for controlling the energy recovery mechanism to recover energy according to the target recovery intensity.
The present invention also provides an electric working machine including: an energy recovery mechanism; and an energy recovery device for an electric working machine according to any one of the above, wherein the energy recovery device for an electric working machine is electrically connected to the energy recovery mechanism.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the energy recovery method of an electric work machine as described in any of the above when executing the program.
The present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the energy recovery method of an electric work machine as described in any of the above.
According to the electric working machine, the energy recovery method and the device thereof, which are provided by the invention, the recovery strength is determined to be adopted for energy recovery according to the opening degree of the accelerator pedal, the opening degree of the brake pedal and the triggering state of the maximum energy recovery switch, so that the operation of a driver can be more flexible, the energy utilization rate is improved, and the working time is prolonged.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method of energy recovery for an electric work machine provided by the present disclosure;
fig. 2 is a flow chart of an energy recovery method of an electric work machine provided by the present invention;
fig. 3 is a schematic structural view of an energy recovery device of an electric working machine according to the present invention;
FIG. 4 is a schematic illustration of an electric work machine according to the present disclosure;
fig. 5 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The electric working machine of the present invention and the energy recovery method and apparatus thereof are described below with reference to fig. 1 to 5.
The electric working machine can comprise a traction vehicle powered by pure electric power, hybrid power or fuel cell, a concrete pump truck, a concrete stirring and transporting truck, a self-discharging truck, an automobile crane, a truck-mounted crane transporting truck and the like.
As shown in fig. 1, the present invention provides a method for recovering energy of an electric working machine, which includes the following steps 110 to 150.
It is understood that the working condition refers to the working state of the electric working machine under the condition that the electric working machine has a direct relation with the action of the working machine, and according to the movement form of the electric working machine, the working condition may be as follows: running conditions such as starting, accelerating, constant speed, decelerating, turning, ascending and descending slopes, stopping and the like; the control modes according to the driver mainly comprise: gear shifting speed change, sliding (sliding with gears or sliding with neutral gears), braking (emergency braking, speed control braking and braking), accelerator speed control, steering, reversing and other working conditions; according to the load conditions of the electric working machine, the following main conditions are: no load, full load (equal to rated load), overload (exceeding rated load) and other operating conditions.
The whole vehicle working condition parameters of the electric working machine refer to various working condition physical parameters of the electric working machine, the whole vehicle working condition parameters can reflect the working condition of the electric working machine, and the working condition of the electric working machine at the corresponding time can be judged to be suitable for energy recovery by monitoring the whole vehicle working condition parameters.
The energy recovery means that part of kinetic energy of the whole machine is converted into electric energy in the running process of the electric working machine, and the battery is charged, so that the function of recovering part of kinetic energy is realized.
And 120, acquiring the opening degree of the accelerator pedal when the working condition parameters of the whole vehicle are in the range of the recovery working condition.
It can be understood that the recovery working condition range can be a working condition parameter range which is manually set and meets the energy recovery requirement, that is, by comparing the whole vehicle working condition parameter with the recovery working condition range, whether the whole vehicle working condition parameter falls into the recovery working condition range can be seen, and when the whole vehicle working condition parameter is in the recovery working condition range, the working state of the electric working machine is determined to be suitable for energy recovery.
When the working condition parameters of the whole vehicle meet the basic requirements of energy recovery, the opening degree of an accelerator pedal is acquired, the accelerator pedal is a running speed control mechanism of the electric working machine and is commonly called an accelerator, and a driver can adjust the opening degree of the accelerator pedal by stepping on the accelerator pedal, so that the acceleration degree of the electric working machine is controlled, and the running speed of the electric working machine is adjusted.
The operation state of the accelerator pedal is detected, and the accelerator pedal opening degree can be obtained by a sensor element such as a pressure sensor, an angle sensor, or a photoelectric sensor.
It is understood that the target opening threshold may be a threshold of an accelerator opening set for a person, and the accelerator opening detected in real time is compared with the target opening threshold to obtain a comparison result.
And 130, acquiring the triggering state of the maximum energy recovery switch under the condition that the opening degree of the accelerator pedal is smaller than the target opening degree threshold value.
The maximum energy recovery switch can be a key, a knob or a touch key on the display screen, a user can trigger the maximum energy recovery switch, and when the maximum energy recovery switch is turned on, the electric operation machine can recover energy at the maximum energy recovery intensity.
And 140, acquiring the opening degree of a brake pedal when the trigger state of the maximum energy recovery switch is closed. The brake pedal is also a travel speed control mechanism of the electric working machine, and is generally called a brake, and a driver can adjust the opening degree of the brake pedal by stepping on the brake pedal, thereby controlling the degree of deceleration of the electric working machine, and adjusting the degree of deceleration of the travel speed of the electric working machine.
The brake pedal opening degree can be obtained by detecting the operation state of the brake pedal, for example, by a sensor element such as a pressure sensor, a contact switch, a displacement sensor, an angle sensor, or a photoelectric sensor.
And 150, outputting an energy recovery control instruction based on the opening degree of the brake pedal, wherein the energy recovery control instruction is used for controlling the energy recovery mechanism to recover energy according to the target recovery intensity.
It will be appreciated that, when the accelerator opening is less than the target opening threshold and the maximum energy recovery switch is turned off, the magnitude of the target recovery strength may be determined according to the brake opening, where the target recovery strength is used to characterize the strength of energy recovery of the electric work machine, and may be specifically embodied as the magnitude of recovery torque of the energy recovery mechanism.
That is, the target recovery intensity may be calculated by the brake pedal opening degree, and then the energy recovery control instruction may be output to the energy recovery mechanism so that the energy recovery mechanism can perform energy recovery in accordance with the target recovery intensity.
The method for calculating the target recovery intensity according to the opening degree of the brake pedal is specifically capable of obtaining the target recovery intensity corresponding to the opening degree of the brake pedal by comparing the target recovery intensity with a corresponding threshold value, searching the target recovery intensity from a pre-stored form by utilizing the opening degree of the brake pedal, and calculating the target recovery intensity according to the opening degree of the brake pedal by adopting a function curve mode.
It is worth noting that by adopting the scheme of the embodiment, the operation of the driver is richer, the driving intention expression of the driver is more obvious through the combination of the accelerator pedal, the brake pedal and the maximum energy recovery switch, the operation adaptability of the driver is improved, and the active driving performance and the maneuvering flexibility of the driver are improved.
According to the energy recovery method of the electric working machine, which is provided by the invention, the energy recovery strength is determined according to the opening of the accelerator pedal, the opening of the brake pedal and the triggering state of the maximum energy recovery switch, so that the operation of a driver is more flexible, the energy utilization rate is improved, and the working time is prolonged.
As shown in fig. 2, in some embodiments, the energy recovery method of the electric work machine further includes: and under the condition that the triggering state of the maximum energy recovery switch is on, outputting a maximum energy recovery instruction, wherein the maximum energy recovery instruction is used for controlling the energy recovery mechanism to recover energy according to the maximum energy recovery intensity.
It can be understood that the whole vehicle controller of the electric working machine can be electrically connected with the maximum energy recovery switch, and the maximum energy recovery switch can realize one-key maximum energy recovery, that is, when the maximum energy recovery switch is triggered to be turned on by a user, if the opening of the accelerator pedal is smaller than the target opening threshold, a maximum energy recovery instruction can be directly output, and the maximum energy recovery instruction can control the energy recovery mechanism to recover energy according to the maximum energy recovery intensity.
The maximum energy recovery switch is arranged, so that the energy recovery device can be used for working conditions similar to long downhill slopes, the energy recovery maximization is realized, the work load of a brake is lightened, and the operation intensity of a driver is lightened.
As shown in fig. 2, in some embodiments, the step 150 outputs the energy recovery control command based on the brake pedal opening, including: and outputting a pause recovery command for controlling the energy recovery mechanism to pause recovery of energy under the condition that the opening degree of the brake pedal is smaller than the first opening degree threshold value.
It can be appreciated that when the overall vehicle operating condition parameter is within the recovery operating condition range, the accelerator pedal opening is less than the target opening threshold, and specifically the target recovery strength is calculated according to the brake pedal opening.
In this embodiment, the first opening threshold is set, for example, the first opening threshold may be a calibration value of the brake pedal at the 0 point, when the opening of the brake pedal is smaller than the first opening threshold, the opening of the brake pedal is smaller at this time, the deceleration effect is weaker, the electric working machine is in a sliding state with a gear, at this time, the energy should be mainly used to drive the electric working machine to travel, here, the energy may not be recovered, a command for suspending recovery may be output, and the energy recovery mechanism is controlled to suspend recovery of the energy.
The output suspension recovery command can be used for reducing frequent switching between the motor recovery mode and the driving mode similar to the working condition that power is not output and braking and decelerating are not stepped on, so that the operation intensity of a driver is lightened, and the energy utilization rate is further improved.
As shown in fig. 2, in some embodiments, the step 150 outputs the energy recovery control command based on the brake pedal opening, including: and outputting a brake recovery command when the opening degree of the brake pedal is larger than a second opening degree threshold value, wherein the second opening degree threshold value is larger than the first opening degree threshold value, and the brake recovery command is used for controlling the energy recovery mechanism to recover energy according to the brake recovery intensity.
It will be appreciated that a second opening threshold may be set, where the second opening threshold is greater than the first opening threshold, and then when the brake pedal opening is greater than the second opening threshold, the brake pedal opening is also greater than the first opening threshold, and at this time, the electric working machine may perform braking energy recovery, so that a braking recovery instruction may be output to the energy recovery mechanism, where the braking recovery instruction may control the energy recovery mechanism to recover energy according to a braking recovery intensity, where the braking recovery intensity may be preset or calibrated according to a parameter of an actual braking mechanism, and is not specifically limited herein.
As shown in fig. 2, in some embodiments, the step 150 outputs the energy recovery control command based on the brake pedal opening, including: receiving a first input of a user when the brake pedal opening is greater than a first opening threshold and less than a second opening threshold; obtaining a target recovery intensity in response to the first input; and outputting a coasting recovery command based on the recovery intensity information.
It will be appreciated that if the brake pedal opening is between the first opening threshold and the second opening threshold, a first input from the user may be received by the interaction device, where the target recovery intensity may be obtained in response to the first input, which may be received through the recovery intensity adjustment switch or may be received through the touch display screen.
That is, when the brake pedal opening is between the first opening threshold and the second opening threshold, the target recovery intensity may be determined by the user, and the electric working machine may perform energy recovery according to the determined target recovery intensity input by the user.
In some embodiments, receiving a first input by a user includes: the first input is received through a recovery intensity adjustment switch having a plurality of gear positions.
It can be understood that the recovery intensity adjusting switch can be set, the recovery intensity adjusting switch can be electrically connected with the whole vehicle controller, the first input can be received through the recovery intensity adjusting switch, the recovery intensity adjusting switch can have a plurality of gears, for example, three gears can be provided, and the user can give the first input more conveniently and rapidly by setting the recovery intensity adjusting switch.
The energy recovery device of an electric working machine according to the present invention will be described below, and the energy recovery device of an electric working machine described below and the energy recovery method of an electric working machine described above may be referred to correspondingly to each other.
As shown in fig. 3, the present invention also provides an energy recovery device for an electric working machine, the energy recovery device comprising: a first acquisition module 310, a second acquisition module 320, a third acquisition module 330, a fourth acquisition module 340, and an output module 350.
The first obtaining module 310 is configured to obtain a vehicle operating condition parameter of the electric working machine.
The second obtaining module 320 is configured to obtain the accelerator pedal opening when the operating parameter of the whole vehicle is within the range of the recovery operating condition.
And a third acquiring module 330, configured to acquire a maximum energy recovery switch triggering state when the accelerator opening is smaller than a target opening threshold.
A fourth obtaining module 340, configured to obtain a brake pedal opening when the maximum energy recovery switch trigger state is off.
The output module 350 is configured to output an energy recovery control instruction based on the brake pedal opening, where the energy recovery control instruction is configured to control the energy recovery mechanism to perform energy recovery according to the target recovery intensity.
The energy recovery device of the electric working machine provided by the embodiment of the application is used for executing the energy recovery method of the electric working machine, and the specific implementation mode and the method implementation mode of the energy recovery device are consistent and can achieve the same beneficial effects, and are not repeated here.
The present invention also provides an electric working machine including: the energy recovery mechanism according to any one of the embodiments described above, wherein the energy recovery device of the electric working machine is electrically connected to the energy recovery mechanism.
As shown in fig. 4, in some embodiments, the electric working machine may have a vehicle controller 410, an accelerator opening sensor 420, a brake pedal opening sensor 450, a maximum energy recovery switch 430 and a recovery intensity adjustment switch 440, where the maximum energy recovery switch 430 and the recovery intensity adjustment switch 440 are electrically connected to the vehicle controller 410, the brake pedal is electrically connected to the vehicle controller 410 through the brake pedal opening sensor 450, and the accelerator pedal is electrically connected to the vehicle controller 410 through the accelerator opening sensor 420.
Fig. 5 illustrates a physical schematic diagram of an electronic device, as shown in fig. 5, which may include: processor 510, communication interface (Communications Interface) 520, memory 530, and communication bus 540, wherein processor 510, communication interface 520, memory 530 complete communication with each other through communication bus 540. Processor 510 may invoke logic instructions in memory 530 to perform a method of energy recovery for an electric work machine, the method comprising: acquiring the working condition parameters of the whole electric working machine; acquiring the opening degree of an accelerator pedal when the working condition parameters of the whole vehicle are in the range of the recovery working condition; acquiring a maximum energy recovery switch triggering state under the condition that the opening of the accelerator pedal is smaller than a target opening threshold value; acquiring the opening degree of a brake pedal under the condition that the triggering state of the maximum energy recovery switch is closed; and outputting an energy recovery control instruction based on the opening degree of the brake pedal, wherein the energy recovery control instruction is used for controlling an energy recovery mechanism to recover energy according to the target recovery intensity.
Further, the logic instructions in the memory 530 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform a method of recovering energy of an electric work machine provided by the methods described above, the method comprising: acquiring the working condition parameters of the whole electric working machine; acquiring the opening degree of an accelerator pedal when the working condition parameters of the whole vehicle are in the range of the recovery working condition; acquiring a maximum energy recovery switch triggering state under the condition that the opening of the accelerator pedal is smaller than a target opening threshold value; acquiring the opening degree of a brake pedal under the condition that the triggering state of the maximum energy recovery switch is closed; and outputting an energy recovery control instruction based on the opening degree of the brake pedal, wherein the energy recovery control instruction is used for controlling an energy recovery mechanism to recover energy according to the target recovery intensity.
In yet another aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the energy recovery method of the electric work machine provided above, the method comprising: acquiring the working condition parameters of the whole electric working machine; acquiring the opening degree of an accelerator pedal when the working condition parameters of the whole vehicle are in the range of the recovery working condition; acquiring a maximum energy recovery switch triggering state under the condition that the opening of the accelerator pedal is smaller than a target opening threshold value; acquiring the opening degree of a brake pedal under the condition that the triggering state of the maximum energy recovery switch is closed; and outputting an energy recovery control instruction based on the opening degree of the brake pedal, wherein the energy recovery control instruction is used for controlling an energy recovery mechanism to recover energy according to the target recovery intensity.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An energy recovery method for an electric working machine, comprising:
acquiring the working condition parameters of the whole electric working machine;
acquiring the opening degree of an accelerator pedal when the working condition parameters of the whole vehicle are in the range of the recovery working condition;
acquiring a maximum energy recovery switch triggering state under the condition that the opening of the accelerator pedal is smaller than a target opening threshold value;
acquiring the opening degree of a brake pedal under the condition that the triggering state of the maximum energy recovery switch is closed;
based on the opening degree of the brake pedal, outputting an energy recovery control instruction, wherein the energy recovery control instruction is used for controlling an energy recovery mechanism to recover energy according to the target recovery intensity;
the whole vehicle working condition is used for reflecting the working state of the electric working machine; the recovery working condition range is a preset working condition parameter range meeting the energy recovery requirement.
2. The energy recovery method of an electric work machine according to claim 1, further comprising:
and outputting a maximum energy recovery instruction under the condition that the trigger state of the maximum energy recovery switch is on, wherein the maximum energy recovery instruction is used for controlling the energy recovery mechanism to recover energy according to the maximum energy recovery intensity.
3. The energy recovery method of an electric working machine according to claim 1, wherein the outputting an energy recovery control command based on the brake pedal opening degree includes:
and outputting a pause recovery command for controlling the energy recovery mechanism to pause recovery of energy under the condition that the opening degree of the brake pedal is smaller than a first opening degree threshold value.
4. The energy recovery method of an electric working machine according to claim 3, wherein the outputting an energy recovery control command based on the brake pedal opening degree includes:
and outputting a brake recovery command when the opening of the brake pedal is larger than a second opening threshold, wherein the second opening threshold is larger than the first opening threshold, and the brake recovery command is used for controlling the energy recovery mechanism to recover energy according to the brake recovery intensity.
5. The energy recovery method of an electric working machine according to claim 4, wherein the outputting an energy recovery control command based on the brake pedal opening degree includes:
receiving a first input from a user when the brake pedal opening is greater than the first opening threshold and less than the second opening threshold;
responding to the first input to obtain target recovery intensity;
and outputting a coasting recovery command based on the target recovery intensity.
6. The method of energy recovery of an electric work machine of claim 5, wherein said receiving a first input from a user comprises:
the first input is received through a recovery intensity adjustment switch having a plurality of gears.
7. An energy recovery device for an electric working machine, comprising:
the first acquisition module is used for acquiring the working condition parameters of the whole vehicle of the electric working machine;
the second acquisition module is used for acquiring the opening of the accelerator pedal when the working condition parameters of the whole vehicle are in the range of the recovery working condition;
the third acquisition module is used for acquiring the triggering state of the maximum energy recovery switch under the condition that the opening of the accelerator pedal is smaller than a target opening threshold value;
the fourth acquisition module is used for acquiring the opening degree of the brake pedal under the condition that the trigger state of the maximum energy recovery switch is closed;
the output module is used for outputting an energy recovery control instruction based on the opening degree of the brake pedal, and the energy recovery control instruction is used for controlling the energy recovery mechanism to recover energy according to the target recovery intensity;
the whole vehicle working condition is used for reflecting the working state of the electric working machine; the recovery working condition range is a preset working condition parameter range meeting the energy recovery requirement.
8. An electric work machine, comprising:
an energy recovery mechanism;
the energy recovery device for an electric working machine according to claim 7, wherein the energy recovery device for an electric working machine is electrically connected to the energy recovery mechanism.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the energy recovery method of an electric work machine according to any one of claims 1 to 6 when the program is executed.
10. A non-transitory computer readable storage medium having stored thereon a computer program, characterized in that the computer program when executed by a processor implements the steps of the energy recovery method of an electric work machine according to any one of claims 1 to 6.
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| CN106926710A (en) * | 2017-04-21 | 2017-07-07 | 阿尔特汽车技术股份有限公司 | The regenerative braking energy reclaiming system and control method of electric automobile |
| CN107199893B (en) * | 2017-05-27 | 2019-09-03 | 北京新能源汽车股份有限公司 | Energy reclaiming method and device |
| CN110877529A (en) * | 2019-10-23 | 2020-03-13 | 河南速达电动汽车科技有限公司 | Pure electric vehicle and energy recovery control method and control system thereof |
| CN112572157A (en) * | 2020-12-28 | 2021-03-30 | 上海锣响汽车集团有限公司 | Control method and control system for braking energy recovery and auxiliary drive |
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| CN113895239A (en) | 2022-01-07 |
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