CN116691910A - Flexible direct current transmission system and method for rickshaw - Google Patents
Flexible direct current transmission system and method for rickshaw Download PDFInfo
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- CN116691910A CN116691910A CN202310496844.9A CN202310496844A CN116691910A CN 116691910 A CN116691910 A CN 116691910A CN 202310496844 A CN202310496844 A CN 202310496844A CN 116691910 A CN116691910 A CN 116691910A
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- rickshaw
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010248 power generation Methods 0.000 claims abstract description 81
- 230000033228 biological regulation Effects 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims description 22
- 238000011084 recovery Methods 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000009347 mechanical transmission Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
- B62M6/65—Rider propelled cycles with auxiliary electric motor power-driven at axle parts with axle and driving shaft arranged coaxially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1861—Rotary generators driven by animals or vehicles
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a flexible direct current transmission system for a rickshaw, which comprises a power generation module capable of generating power, a driving motor connected with the power generation module and an electronic speed regulation module capable of controlling the driving motor; the power generation module and the driving motor are arranged to replace a mechanical transmission structure in the existing rickshaw, the power generation module and the driving motor can be externally provided with a fully-wrapped sealing shell, the driving motor and the power generation device can be effectively waterproof and dustproof, the maintenance times of the rickshaw are effectively reduced, meanwhile, the output of the driving motor is extremely unstable when the driving assembly is controlled to generate power by manpower, and the duty ratio of the driving motor is limited to be only 0% and 100% by the control method of the electronic speed regulator, so that the condition that the driving motor is burnt out due to overlarge current in the power generation process is effectively avoided, and the normal operation of the driving motor in the riding process is ensured.
Description
Technical Field
The invention relates to the technical field of a transmission system of a rickshaw, in particular to a flexible direct current transmission system and a method for the rickshaw.
Background
The rickshaw is a common transportation means in modern society, and common rickshaw comprises a two-wheeled pedal bicycle, a three-wheeled pedal bicycle, a booster bicycle with a manual driving function, an electric two-wheeled or three-wheeled bicycle with a manual driving function and the like, and in the riding process, a rider is required to realize the driving of the rickshaw by stepping on a mechanical transmission mechanism on the rickshaw, so that the riding activity of the rider is realized.
The common mechanical transmission mechanism on the rickshaw mostly comprises pedals, fluted disc and drive chain, because the fluted disc is connected with the drive chain in the meshing, the condition of slippage appears easily in long-time working process, exposes the transmission structure of external world and also rust easily, and then leads to the unsmooth of transmission process, consequently need regularly maintain transmission structure, especially have mechanical shift function because the structure is more complicated more so, there is certain inconvenience in the use.
Disclosure of Invention
In order to solve the problems, the invention provides the following technical scheme:
a flexible dc transmission system for a human powered vehicle comprising:
the power generation module comprises a power generation device arranged on a vehicle body of the rickshaw and a driving assembly arranged at a power generation input end of the power generation device, wherein the driving assembly can drive the power generation input end of the power generation device to move so as to promote the power generation device to output electric energy;
the input end of the driving motor is connected with the output end of the power generation device, and the output end of the driving motor can drive the rickshaw to move;
the electronic speed regulation module comprises a monitoring part for detecting electric energy data of the power generation device and the driving motor, an executing part capable of controlling the starting and stopping of the driving motor, and a processing part which is arranged in the power generation device, receives electric signals of the monitoring part and controls the executing part, wherein the processing part can control the rotating speed of the driving motor through the executing part according to the output electric energy of the power generation device;
the power generation module and the driving motor are both provided with a sealed shell which wraps the power generation module and the driving motor inside, and the sealed shell is connected with a body of the rickshaw.
On the basis of the technical scheme, the invention can be improved as follows.
Furthermore, the output of the power generation device is three-phase alternating current, and a rectifying and filtering module is arranged between the output end of the power generation device and the driving motor.
Further, a kinetic energy recovery module is arranged in the driving motor.
Further, the electronic speed regulation module is connected with an external power supply for supplying power to the whole electronic speed regulation module, and the external power supply is connected with the kinetic energy recovery module.
The flexible direct current transmission method for the rickshaw is characterized by comprising the following steps of: the method comprises the following steps:
s1, the power generation device generates alternating current under the drive of the driving assembly and transmits the alternating current to the rectifying and filtering module for rectifying and filtering;
s2, the rectifying and filtering module transmits the direct current subjected to rectifying and filtering to the electronic speed regulation module;
s3, after the monitoring part detects that the output electric energy of the rectifying and filtering module meets the starting standard, the processing part in the electronic speed regulating module controls the executing part to input the output electric energy into the driving motor so as to promote the driving motor to start;
s4, after the electric energy input into the driving motor reaches the standard, the electronic speed regulation module keeps the duty ratio of the driving motor to be 100 percent
S5, stopping the movable driving assembly, enabling the power generation device not to supply electric energy to the driving motor, enabling the driving motor to continue moving under the whole inertia effect of the rickshaw, and enabling the kinetic energy recovery module to recover the electric energy generated in the driving motor at the moment and convey the electric energy to an external power supply;
s6, the whole manual vehicle stops moving, the external power supply continues to supply power to the electronic speed regulation module, a monitoring part in the electronic speed regulation module monitors the electric energy output by the power generation device in real time, and when the power generation device outputs the electric energy, the steps S3-S6 are repeated.
Based on the technical proposal, the invention can also be improved as follows
Further, in the step S3, when the rectification and filtering output electric energy standard is UG-UZ > US, the driving motor is started, UG is the ideal voltage value of the rectification output of the generating device, UZ is the voltage drop of the rectification and filtering module, and US is the integral minimum transmission voltage of the transmission system.
Further, in step S4, the electronic speed regulation module regulates the driving motor PWM to be I (rg+rm+re)/(UG-UM-UZ), where I is the overall rated current of the transmission system, RG is the internal resistance of the power generation device, RM is the internal resistance of the driving motor, RE is the internal resistance of the electronic speed regulation module, and UM is the back electromotive force of the driving motor.
Further, in the step S4, when (UG-UM-UZ) < = (rg+rm+re) ×i, the duty ratio of the driving motor driven by the electronic governor module=100%.
Further, when the duty ratio of the driving motor is 100%, ig=im, where IG is the rectified output current of the brushless generator, and IM is the current of the brushless motor.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the mechanical transmission structure in the existing rickshaw is replaced by the power generation module and the driving motor, when a driver moves the driving device, electric energy can be generated by the power generation module to drive the driving motor to move, the power generation module and the driving motor can be externally provided with the fully-wrapped sealed shell, so that the waterproof and dustproof functions of the driving motor and the power generation device can be effectively realized, the maintenance times of the rickshaw can be effectively reduced, meanwhile, the output of the rickshaw is extremely unstable when the driving assembly is controlled to generate electricity by manpower, and the duty ratio of the driving motor is limited to be only 0% and 100% by the control method of the electronic speed regulator, so that the condition that the driving motor is burnt out due to overlarge current in the power generation process is effectively avoided, and the normal operation of the driving motor in the riding process is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a flexible DC transmission system for a bicycle;
FIG. 2 is a flow chart diagram of a flexible DC transmission method for a bicycle;
FIG. 3 is a schematic side view of a power generation module;
FIG. 4 is a schematic view of a flexible DC transmission system for a bicycle when installed on the bicycle;
in the drawings, the list of components represented by the various numbers is as follows:
1. a power generation module; 101. a drive assembly; 102. a power generation device; 2. a driving motor; 3. an external power supply; 4. the housing is sealed.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
It should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, or that the technical product is conventionally put in place when used, merely for convenience in describing the present technology and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present technology. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. The terms "first," "second," "third," and the like are therefore used solely to distinguish one from another and are not to be construed as indicating or implying a relative importance. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
Referring to fig. 1-4, the present invention provides a flexible dc transmission system for a rickshaw, which includes a power generation module 1 capable of generating power, a driving motor 2 connected to the power generation module 1, and an electronic speed regulation module capable of controlling the driving motor 2.
The power generation module 1 is a common power generation device 102, and specifically comprises the power generation device 102 arranged on a vehicle body of a rickshaw and a driving assembly 101 arranged at a power generation input end of the power generation device 102, wherein the driving assembly 101 can drive the power generation input end of the power generation device 102 to move, so that the power generation device 102 is driven to output electric energy, the power generation device 102 can be a common brushless generator, the driving assembly 101 can be a common two pedal rods and a connecting rod on the rickshaw, the connecting rod penetrates through the center of the brushless generator, and the two pedal rods are respectively fixed at two sides of a seat of the rickshaw.
The driving motor 2 may be a common brushless dc motor, and its input end is connected to the output end of the power generation device 102, and the output end of the driving motor 2 is connected to the rear wheel center axle of the rickshaw, so as to drive the rickshaw to travel.
Specifically, to avoid the irregular output damage of the power generation device 102 to drive the motor when the power generation device is stepped on by manpower, the electronic speed regulation module includes a monitoring portion for detecting the power data of the power generation device 102 and the driving motor 2, an executing portion capable of adjusting the duty ratio of the driving motor 2, and a processing portion disposed in the power generation device 102 and receiving the electric signal of the monitoring portion and controlling the executing portion, and the electronic speed regulation module is capable of controlling the duty ratio of the driving motor 2 and limiting the duty ratio of the driving motor 2 to 100% when the current of the input driving motor 2 exceeds the rated current of the driving motor 2.
In view of the problem of power generation efficiency, the power generation device 102 is a brushless ac generator, the output of which is three-phase ac, and a rectifying and filtering module is disposed between the output end of the power generation device 102 and the driving motor 2, and the rectifying and filtering module may be mounted on the vehicle body, or may be mounted together with the power generation device 102 and wrapped inside the sealed housing 4.
Meanwhile, for the holistic low maintenance rate of effectual realization flexible direct current transmission system, all be equipped with at power module 1 and driving motor 2 outside with the two encapsulation shell 4 of parcel in its inside, encapsulation shell 4 links to each other with the rickshaw automobile body, encapsulation shell 4 can be common three proofings shell, also can set up other parts in the flexible direct current transmission system in encapsulation shell 4 inside, the effectual influence of avoiding external environment to each electron device, for the heat dissipation of making things convenient for electron device, also can set up radiating fin at encapsulation shell 4 surface, improve radiating efficiency, avoid the relevant part of overheat damage in the closed environment.
For further promotion is to the utilization efficiency of energy, be equipped with kinetic energy recovery module in driving motor 2 is inside, kinetic energy recovery module is common kinetic energy recovery device, can utilize brushless motor back electromotive force to carry out synchronous rectification when driving motor 2 no longer has electric energy input, reverse output to the power electricity input, carry to kinetic energy recovery module and be used for kinetic energy recovery, also in order to keep the electronic governor to realize its monitoring work smoothly when there is not power module 1 electric energy input yet, electronic speed regulation module is connected with external power supply 3 for the electronic speed regulation module is whole to be supplied with, external power supply 3 links to each other with kinetic energy recovery module, when carrying out kinetic energy recovery, charge external power supply 3, in order to use subsequently.
For more clear and detailed description of the working flow and working principle of the invention, a flexible direct current transmission method for a rickshaw is disclosed, comprising the following steps:
s1, the power generation device 102 generates alternating current under the drive of the driving assembly 101 and transmits the alternating current to the rectifying and filtering module for rectifying and filtering.
S2, the rectification filter module transmits the direct current subjected to rectification and filtration to the electronic speed regulation module.
S3, after the monitoring part detects UG-UZ > US, the processing part in the electronic speed regulation module controls the executing part to input output electric energy into the driving motor 2, so that the driving motor 2 is started.
Wherein UG is the ideal voltage value of the rectified output of the power generation device 102, UZ is the voltage drop of the rectifying and filtering module, and US is the overall lowest transmission voltage of the transmission system.
S4, when (UG-UM-UZ) > (RG+RM+RE) I, the electronic speed regulating module can continuously collect Hall signals through the Hall sensor, continuously update electric phase data of the brushless motor, update on-off control states between three phases of the brushless motor and a positive electrode and a negative electrode of the power motor according to the electric phase data, and continuously drive the brushless motor, and at the moment, the duty ratio of the driving motor 2 is I (RG+RM+RE)/(UG-UM-UZ).
When the driver steps on the driving device to make the output power of the power generation device 102 enable the data detected by the electronic speed regulation module to meet (UG-UM-UZ) < = (rg+rm+re) ×i, the electronic speed regulation module controls the duty ratio of the driving motor 2 to be 100%, at this time ig=im, so that IG and IM can be obtained and all form a completely linear proportional relationship with the torque of the brushless generator, and the torque of the brushless generator and the torque of the brushless motor form a completely linear proportional relationship, so that an effect similar to mechanical transmission can be achieved.
Wherein I is the whole rated current of the transmission system, RG is the internal resistance of the power generation device 102, RM is the internal resistance of the driving motor 2, RE is the internal resistance of the electronic speed regulating module, UM is the back electromotive force of the driving motor 2, IG is the rectified output current of the brushless generator, and IM is the current of the brushless motor.
S5, stopping the movable driving assembly 101, enabling the power generation device 102 not to supply electric energy to the driving motor 2, enabling the driving motor 2 to continue moving under the whole inertia effect of the rickshaw, and enabling the kinetic energy recovery module to recover the electric energy generated in the driving motor 2 at the moment and convey the electric energy to the external power supply 3.
S6, the whole rickshaw stops moving, the external power supply 3 continues to supply power to the electronic speed regulation module, a monitoring part in the electronic speed regulation module monitors the output electric energy of the power generation device 102 in real time, and when the power generation device 102 outputs the electric energy, the steps S3-S6 are repeated.
In the description of the present technology, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the art will be understood in a specific manner by those of ordinary skill in the art.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The flexible direct current transmission system for the rickshaw is characterized by comprising:
the power generation module (1) comprises a power generation device (102) arranged on a body of the rickshaw and a driving assembly (101) arranged at a power generation input end of the power generation device (102), wherein the driving assembly (101) can drive the power generation input end of the power generation device (102) to move so as to promote the power generation device (102) to output electric energy;
the input end of the driving motor (2) is connected with the output end of the power generation device (102), and the output end of the driving motor (2) can drive the rickshaw to move forward;
the electronic speed regulation module comprises a monitoring part for detecting electric energy data of the power generation device (102) and the driving motor (2), an executing part capable of regulating the duty ratio of the driving motor (2) and a processing part which is arranged in the power generation device (102) and used for receiving electric signals of the monitoring part and controlling the executing part, wherein the electronic speed regulation module can control the duty ratio of the driving motor (2) and limit the duty ratio of the driving motor (2) to 100% when the current of the input driving motor (2) is greater than or equal to the rated current of the driving motor (2);
the power generation module (1) and the driving motor (2) are both provided with a sealed shell (4) for wrapping the power generation module and the driving motor inside, and the sealed shell (4) is connected with a body of the rickshaw.
2. The flexible direct current transmission system for a human-powered vehicle according to claim 1, wherein: the power generation device (102) outputs three-phase alternating current, and a rectifying and filtering module is arranged between the output end of the power generation device (102) and the driving motor (2).
3. The flexible direct current transmission system for a human-powered vehicle of claim 2, wherein: the driving motor (2) is internally provided with a kinetic energy recovery module.
4. A flexible direct current transmission system for a human-powered vehicle according to claim 3, wherein: the electronic speed regulation module is connected with an external power supply (3) for supplying power to the whole electronic speed regulation module, and the external power supply (3) is connected with the kinetic energy recovery module.
5. The flexible direct current transmission method for the rickshaw is characterized by comprising the following steps of: the method comprises the following steps:
s1, generating alternating current by a power generation device (102) under the drive of a driving assembly (101) and conveying the alternating current to a rectifying and filtering module for rectifying and filtering;
s2, the rectifying and filtering module transmits the direct current subjected to rectifying and filtering to the electronic speed regulation module;
s3, after the monitoring part detects that the output electric energy of the rectifying and filtering module meets the starting standard, the processing part in the electronic speed regulating module controls the executing part to input the output electric energy into the driving motor (2) so as to promote the driving motor (2) to start;
s4, after the electric energy input into the driving motor (2) reaches the standard, the electronic speed regulation module keeps the duty ratio of the driving motor (2) to be 100%;
s5, stopping the movable driving assembly (101), wherein the power generation device (102) does not supply electric energy to the driving motor (2), the driving motor (2) continues to move under the whole inertia action of the rickshaw, and the kinetic energy recovery module recovers the electric energy generated in the driving motor (2) at the moment and transmits the electric energy to the external power supply (3);
s6, the whole rickshaw stops moving, the external power supply (3) continues to supply power to the electronic speed regulation module, a monitoring part in the electronic speed regulation module monitors the electric energy output by the power generation device (102) in real time, and when the power generation device (102) outputs the electric energy, the steps S3-S6 are repeated.
6. The flexible direct current transmission method for a human-powered vehicle according to claim 5, wherein: in the step S3, when the rectification and filtering output electric energy standard is UG-UZ > US, the driving motor (2) is started, wherein UG is an ideal voltage value of rectification output of the power generation device (102), UZ is a voltage drop of the rectification and filtering module, and US is the integral lowest transmission voltage of the transmission system.
7. The flexible direct current transmission method for a human-powered vehicle according to claim 5, wherein: in the step S4, when (UG-UM-UZ) > (rg+rm+re) ×i, the electronic speed regulation module regulates the duty ratio of the driving motor (2) to be i×i (rg+rm+re)/(UG-UM-UZ), where I is the overall rated current of the transmission system, RG is the internal resistance of the power generation device (102), RM is the internal resistance of the driving motor (2), RE is the internal resistance of the electronic speed regulation module, and UM is the back electromotive force of the driving motor (2).
8. The flexible direct current transmission method for a human-powered vehicle according to claim 7, wherein: in the step S4, when (UG-UM-UZ) < = (rg+rm+re) ×i, the duty ratio of the driving motor (2) driven by the electronic speed regulation module is 100%.
9. The flexible direct current transmission method for a human-powered vehicle according to claim 8, wherein: when the duty cycle of the driving motor (2) is 100%, ig=im, where IG is the brushless generator rectified output current and IM is the brushless motor current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310496844.9A CN116691910A (en) | 2023-04-27 | 2023-04-27 | Flexible direct current transmission system and method for rickshaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310496844.9A CN116691910A (en) | 2023-04-27 | 2023-04-27 | Flexible direct current transmission system and method for rickshaw |
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| Publication Number | Publication Date |
|---|---|
| CN116691910A true CN116691910A (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310496844.9A Pending CN116691910A (en) | 2023-04-27 | 2023-04-27 | Flexible direct current transmission system and method for rickshaw |
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| CN (1) | CN116691910A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025055708A1 (en) * | 2023-09-13 | 2025-03-20 | 贯月航空技术(杭州)有限公司 | Two-phase brushless direct current motor having stable torque, and control method therefor |
-
2023
- 2023-04-27 CN CN202310496844.9A patent/CN116691910A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025055708A1 (en) * | 2023-09-13 | 2025-03-20 | 贯月航空技术(杭州)有限公司 | Two-phase brushless direct current motor having stable torque, and control method therefor |
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