CN111845362B - Charging equipment and electric car - Google Patents
Charging equipment and electric car Download PDFInfo
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- CN111845362B CN111845362B CN201910401677.9A CN201910401677A CN111845362B CN 111845362 B CN111845362 B CN 111845362B CN 201910401677 A CN201910401677 A CN 201910401677A CN 111845362 B CN111845362 B CN 111845362B
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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
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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
- B60L2200/00—Type of vehicles
- B60L2200/12—Bikes
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Abstract
The application provides a charging equipment and trolley-bus, wherein, this charging equipment includes: the motor is internally provided with a rotor, a stator and an electronic clutch, and the driving part is respectively connected with the storage battery, the rotor and the electronic clutch; the driving component is used for stopping supplying power to the rotor and sending a separation signal to the electronic clutch when the rotating speed value of the wheel is determined to be larger than a first set speed threshold value; the electronic clutch is used for controlling the rotor to be separated from the wheel after receiving the separation signal so as to enable the motor to enter a generator mode; and the motor is used for generating current through the relative movement of the rotor and the stator after entering the generator mode and transmitting the generated current to the storage battery. The application provides a high-efficiency charging device to improve the endurance mileage of an electric car using the charging device.
Description
Technical Field
The application relates to the technical field of charging, in particular to charging equipment and an electric car.
Background
The electric car is a more and more multi-user travel tool with the advantages of safety, comfort, lightness, convenience and environmental protection, the electric car is powered by a battery, and the remaining endurance mileage of the electric car is determined by the remaining electric quantity of the battery on the electric car.
When the user is riding the trolley-bus, the electric energy conversion of battery saves user's physical power for the kinetic energy of trolley-bus, and after the electric quantity of battery exhausts, the trolley-bus just can't continue to provide kinetic energy, needs the user to ride to chargeable place and charges or finish riding.
Therefore, how to save the residual electric quantity and increase the remaining endurance mileage of the electric car is a problem to be solved by the current electric car.
Disclosure of Invention
In view of the above, the present application is directed to a charging apparatus and an electric vehicle, which provide a high-efficiency charging apparatus to improve the range of the electric vehicle using the charging apparatus.
In a first aspect, an embodiment of the present application provides a charging apparatus, including: the motor is internally provided with a rotor, a stator and an electronic clutch, and the driving part is respectively connected with the storage battery, the rotor and the electronic clutch;
the driving component is used for stopping supplying power to the rotor and sending a separation signal to the electronic clutch when the rotating speed value of the wheel is determined to be larger than a first set speed threshold value;
the electronic clutch is used for controlling the rotor to be separated from the wheel after receiving the separation signal so as to enable the motor to enter a generator mode;
The motor is used for generating current through the relative movement of the rotor and the stator after entering the generator mode, and transmitting the generated current to the storage battery.
In some embodiments, the driving component is further configured to, upon determining that the wheel speed value is less than or equal to a second set speed threshold, re-energize the rotor and send a connect signal to the electronic clutch;
the electronic clutch is used for controlling the rotor to be connected with the wheel again after receiving the connection signal so as to enable the motor to enter a motor mode;
and the motor is used for driving the wheels to rotate after entering the motor mode.
In some embodiments, further comprising a wheel speed sensor coupled to the drive component;
the wheel speed sensor is used for detecting the wheel rotating speed value and sending the wheel rotating speed value to the driving component;
and the driving component is used for judging whether the wheel rotating speed value is greater than the first set speed threshold value or not after receiving the wheel rotating speed value, or judging whether the wheel rotating speed value is less than or equal to the second set speed threshold value or not.
In some embodiments, further comprising a brake handle, said brake handle being connected to said drive member;
the brake handle is used for generating and sending a brake signal to the driving part when a user brakes;
and the driving part is also used for braking the wheels, stopping supplying power to the rotor and sending the separation signal to the electronic clutch when receiving the brake signal.
In some embodiments, the driving component is further configured to stop braking the wheel and re-supply power to the rotor and send a connection signal to the electronic clutch after the braking signal is not received;
the electronic clutch is used for controlling the rotor to be connected with the wheel again after receiving the connection signal so as to enable the motor to enter a motor mode;
and after the motor enters the motor mode, the motor drives the wheels to rotate.
In some embodiments, the electronic clutch includes a first microcontroller and a connecting component, the connecting component including a first connection and a second connection, the first microcontroller being connected with the drive component;
The first connecting end is used for being connected with the rotor, and the second connecting end is used for being connected with the wheel;
and the first microcontroller is used for controlling the second connecting end of the connecting part to be separated from the wheel after receiving the separation signal, and controlling the second connecting end of the connecting part to be connected with the wheel again after receiving the connection signal.
In some embodiments, the driving component includes a second microcontroller and a charging and discharging circuit, the second microcontroller and the charging and discharging circuit are integrated on the same circuit board, the second microcontroller is respectively connected with the charging and discharging circuit and the electronic clutch, and the charging and discharging circuit is respectively connected with the storage battery and the rotor;
the second microcontroller is used for controlling the charging and discharging circuit to stop supplying power to the rotor and sending a separation signal to the electronic clutch when the rotating speed value of the wheel is determined to be greater than the first set speed threshold value; and the electronic clutch is used for controlling the charging and discharging circuit to supply power to the rotor again and sending the connection signal to the electronic clutch when the wheel rotating speed value is determined to be less than or equal to the second set speed threshold value.
In some embodiments, the battery pack further comprises a temperature sensor and a battery control circuit, wherein the temperature sensor is connected with the battery control circuit;
the temperature sensor is used for detecting the current temperature value of the storage battery and sending the current temperature value to the battery control circuit;
and the battery control circuit is used for controlling the storage battery to be disconnected with the driving component when the current temperature value is determined to be higher than the temperature threshold value.
In some embodiments, the display device further comprises a display screen, and the driving component is respectively connected with the battery control circuit and the display screen;
the battery control circuit is further used for sending the current temperature value to the driving part when the current temperature value is determined to be higher than a temperature threshold value;
and the driving part controls the display screen to display the current temperature value after receiving the current temperature value.
In some embodiments, further comprising an audible cue component;
the battery control circuit is further used for setting a period to obtain a residual electric quantity value of the battery, sending the residual electric quantity value to the driving part when detecting that the residual electric quantity is smaller than or equal to a low electric quantity threshold value, and controlling the sound prompting part to prompt;
And the driving component is used for controlling the display screen to display the residual electric quantity value after receiving the residual electric quantity value.
In a second aspect, an embodiment of the present application provides an electric car, which includes the charging apparatus described in the first aspect.
The embodiment of the application provides a charging device and an electric car, wherein the charging device comprises a driving part, a motor and a storage battery, the motor is internally provided with a rotor, a stator and an electronic clutch, and the driving part is respectively connected with the storage battery. The electric vehicle comprises a rotor and an electronic clutch, wherein when a driving part determines that the rotating speed value of a wheel is greater than a first set speed threshold value, the driving part stops supplying power to the rotor and sends a separation signal to the electronic clutch, the electronic clutch controls the rotor and the wheel to be separated after receiving the separation signal, after the rotor and the wheel are separated, the rotating speed of the wheel is rapidly reduced due to friction with the ground, the rotor still rotates at a high speed due to inertia, the rotor and the stator generate current when moving relatively, the motor enters a generator mode and transmits the generated current to a storage battery for storage, namely, a charging device converts redundant kinetic energy into electric energy of the storage battery, and in addition, because the electronic clutch can separate the rotor and the wheel, the rotor can still keep rotating at a high speed for a long time even if the driving part stops supplying power to the rotor, so that the rotor and the stator can keep rotating relatively rotating for a long time, the charging equipment provided by the embodiment of the application can improve the conversion rate of converting kinetic energy into electric energy, and the storage battery can obtain more charging current in the driving process, so that the driving mileage of an electric car using the charging equipment is improved.
In order to make the aforementioned objects, features and advantages of the present application comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 shows a schematic structural diagram of a first charging device provided in an embodiment of the present application;
fig. 2 shows a schematic structural diagram of a second charging device provided in an embodiment of the present application;
fig. 3 shows a schematic structural diagram of a third charging device provided in an embodiment of the present application;
fig. 4 shows a schematic structural diagram of a fourth charging device provided in an embodiment of the present application;
fig. 5 shows a schematic structural diagram of a fifth charging device provided in an embodiment of the present application.
An icon: 100-a charging device; 101-a drive member; 102-a motor; 103-a storage battery; 1021-a rotor; 1022-a stator; 1023-an electronic clutch; 10231-a first microcontroller; 10232-connecting parts; 10232A-a first connection end; 10232B-a second connection end; 104-wheel speed sensor; 105-brake handle; 1011-a second microcontroller; 1012-charge and discharge circuits.
Detailed Description
In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the drawings in the present application are only for illustration and description purposes and are not used to limit the protection scope of the present application. Further, it should be understood that the schematic drawings are not drawn to scale. The flowcharts used in this application illustrate operations implemented according to some embodiments of the present application. It should be understood that the operations of the flow diagrams may be performed out of order, and steps without logical context may be performed in reverse order or simultaneously. One skilled in the art, under the guidance of this application, may add one or more other operations to, or remove one or more operations from, the flowchart.
In addition, the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
To enable those skilled in the art to use the present disclosure, the following embodiments are presented in conjunction with a specific application scenario "shared trolley use scenario". It will be apparent to those skilled in the art that the general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the application. While the present application is primarily described in the context of shared trolley use, it should be understood that this is merely one exemplary embodiment.
It should be noted that in the embodiments of the present application, the term "comprising" is used to indicate the presence of the features stated hereinafter, but does not exclude the addition of further features.
In the use process of the shared electric vehicle in the related art, the problems that the endurance mileage is short and the kinetic energy is difficult to recover are considered. Based on this, this application embodiment provides a trolley-bus controlgear to improve the standardization that shared trolley-bus stopped, save fortune dimension cost.
An embodiment of the present application provides a charging apparatus 100, as shown in fig. 1, including: the driving device comprises a driving part 101, a motor 102 and a storage battery 103, wherein the motor 102 is internally provided with a rotor 1021, a stator 1022 and an electronic clutch 1023, and the driving part 101 is respectively connected with the storage battery 103, the rotor 1021 and the electronic clutch 1023.
The battery charging outfit in this application embodiment can be applied to the trolley-bus, can include electric bicycle, also can include the electric motor car, when the user rides, can be the kinetic energy of motor with the electric energy conversion of battery to drive wheel rotates, saves physical power for riding of user.
In the embodiment of the present application, the motor can be divided into two operation modes, the first is a motor mode, i.e., an operation mode for converting electric energy into rotor kinetic energy, and the second is a generator mode, i.e., an operation mode for converting rotor kinetic energy into electric energy.
The motor comprises a rotor, a stator and an electronic clutch, the electronic clutch can be connected with a hub of the rotor and a wheel, the hub is driven to rotate through the electronic clutch when the rotor rotates, the driving part supplies power to the rotor at the moment, and the hub is driven to rotate when the rotor rotates, so that the electric car is driven to advance.
And a driving part 101 for stopping power supply to the rotor 1021 and transmitting a disengagement signal to the electronic clutch 1023 when it is determined that the wheel speed value is greater than the first set speed threshold value.
In the running process of the electric car, the speed of the electric car is often reduced due to the influence of the environment, for example, when the electric car runs on a downhill, if power is continuously supplied to the rotor, the speed of the electric car can be continuously increased, and if the redundant kinetic energy of the rotor can be converted into electric energy and stored when the speed of the electric car is greater than a certain value, for example, greater than 25km/h, the residual electric quantity of the storage battery can be increased, so that the endurance mileage of the electric car is improved.
Since the speed of the electric vehicle has a certain relationship with the wheel speed, the speed value can be represented by the wheel speed value, and the first set speed threshold value, namely the speed value is greater than the above-mentioned 25km/h when the wheel speed value exceeds the first set speed threshold value, the redundant kinetic energy of the rotor can be converted into electric energy.
The first set speed threshold may be set by the electric car manufacturer in advance, or may be set by the user before use, and after the setting is completed, if the wheel rotation speed value exceeds the first set speed threshold, the kinetic energy of the rotor may be converted into electric energy to charge the energy storage battery.
And an electronic clutch 1023 for controlling the rotor 1021 to be separated from the wheels after receiving the separation signal, so that the motor 102 enters a generator mode.
Specifically, as shown in fig. 2, the electronic clutch 1023 in the embodiment of the present application may include a first microcontroller 10231 and a connection component 10232, and specifically, the driving component 101 may be connected to the first microcontroller 10231 in the electronic clutch 1023, and when the driving component determines that the wheel rotation speed value is greater than a first set speed threshold value, the power supply to the rotor may be stopped first, and then a separation signal for instructing the first microcontroller to control the connection component to separate the rotor and the hub may be sent to the first microcontroller.
The connection component 10232 can connect the rotor and the hub of the wheel, for example, as shown in fig. 2, the connection component 10232 includes a first connection end 10232A and a second connection end 10232B, the first connection end 10232A is connected with the rotor 1021, the second connection end 10232B is connected with the hub of the wheel, when the rotor is powered to rotate, the hub can be driven to rotate by the connection component, and when the microcontroller receives a separation signal, the second connection end of the connection component can be controlled to be separated from the hub, so that the rotor is separated from the hub.
After the rotor is separated from the hub, the wheel where the hub is located rubs with the ground, speed can be reduced, after the rotor is separated from the hub, the rotor still rotates fast due to inertia, the rotating speed of the stator is always zero, relative motion is carried out between the rotor and the stator, current can be generated, and the motor enters a generator mode.
And a motor 102 for generating a current by a relative movement of the rotor 1021 and the stator 1022 after entering a generator mode, and supplying the generated current to the battery 103.
After the motor enters a generator mode, current is generated through the relative motion of the rotor and the stator, and then the generated current can be transmitted to the storage battery, so that the purpose of charging the storage battery is achieved, and the kinetic energy of the rotor is converted into the electric energy of the storage battery.
Compare the condition through mechanical clutch connection rotor and wheel hub, when wheel speed value is greater than first settlement speed threshold value, if stop to the rotor circular telegram after, because the rotor still is connected with the wheel, after the wheel deceleration, the rotor also can very fast deceleration, then the electric current that rotor and stator produced is less, the duration is shorter, and this application embodiment, when wheel speed value is greater than first settlement speed threshold value, through separating rotor and wheel hub, make the rotor not receive the influence of wheel deceleration, last high-speed rotation, can last the long time like this and produce the electric current, carry these electric currents to the battery, the charging effect to the battery has been improved.
In one embodiment, the driving component is further configured to, upon determining that the wheel speed value is less than or equal to a second set speed threshold, re-energize the rotor and send a connect signal to the electronic clutch.
The second set speed threshold value is less than or equal to the first set speed threshold value, after the rotor is separated from the hub, the wheel where the hub is located rubs with the ground, and after the speed is reduced, for example, after the rotating speed value of the wheel is determined to be less than or equal to the second set speed threshold value, the rotor can be re-powered, and a connection signal is sent to the electronic clutch.
And the electronic clutch is used for controlling the rotor to be connected with the wheel again after receiving the connection signal so as to enable the motor to enter a motor mode.
And the motor is used for driving the wheels to rotate after entering the motor mode.
Specifically, after receiving the connection signal, the first microcontroller in the electronic clutch controls the second connection end of the connection part to be connected with the hub again, so that the rotor is electrified to drive the hub to rotate again through the connection part in the electronic clutch, namely, the motor enters a motor mode, namely, the electric energy of the storage battery is converted into the kinetic energy of the motor, and then the kinetic energy of the wheel is converted into the kinetic energy of the wheel.
The first set speed threshold and the second set speed threshold may be stored in the driving component in advance, wherein the first set speed threshold may be equal to the second set speed threshold or may be slightly larger than the second set speed threshold, for example, the difference between the first set speed threshold and the second set speed threshold is smaller than the set threshold, when the wheel speed is greater than the first set speed threshold, the electric machine enters the generator mode, and when the wheel speed is smaller than or equal to the second set speed threshold, the electric machine enters the motor mode.
Because the driving part can be according to wheel rotational speed automatic control motor mode, make the unnecessary kinetic energy that the trolley-bus produced convert the electric energy into and store on the one hand, on the other hand, because first settlement speed threshold value and second settlement speed threshold value can be equal, or almost equal, the user can not feel the obvious change of speed like this at the in-process of riding, and the switching of two kinds of modes of motor can not bring obvious speed change for the user promptly, and does not influence the user and ride and experience.
Specifically, as shown in fig. 3, the charging apparatus 100 further includes a wheel speed sensor 104, and the wheel speed sensor 104 is connected to the driving part 101.
A wheel speed sensor 104 for detecting a wheel rotation speed value and transmitting the wheel rotation speed value to the driving part 101;
and the driving part 101 is used for judging whether the wheel rotating speed value is greater than a first set speed threshold value or not after receiving the wheel rotating speed value, or judging whether the wheel rotating speed value is less than or equal to a second set speed threshold value or not.
In another embodiment, as shown in fig. 4, the charging device 100 further comprises a brake handle 105, and the brake handle 105 is connected with the driving part 101.
A brake handle 105 for generating and transmitting a brake signal to the driving part when a user performs braking;
and the driving part 101 is further used for braking the wheels, stopping power supply to the rotor and sending a separation signal to the electronic clutch when receiving a braking signal.
The brake handle can be the handlebar that has the brake function on the trolley-bus, concretely, the user can control acceleration or brake through the direction of rotation of brake handle, if rotate the brake handle to the opposite direction of trolley-bus direction of advance and just can brake, after braking, wheel speed value can reduce fast, in the conventional art, the wheel hub of wheel passes through mechanical clutch with the rotor of motor and is connected, after the wheel stall, the rotor also very fast stall, the very most kinetic energy of rotor is wasted, this application embodiment adopts electron clutch to connect rotor and wheel hub, when the user brakes, can convert the kinetic energy of rotor into the electric energy.
Specifically, when a user brakes through the brake handle, the brake handle can send a brake signal to the driving part, after the driving part receives the brake signal, the driving part can control the brake part to brake the wheel, so that the wheel stops rotating, meanwhile, the rotor stops supplying power, and sends a separation signal to the electronic clutch, and after a first microcontroller in the electronic clutch receives the separation signal, the second connecting end of the connecting part is also controlled to be separated from the hub, so that although the wheel stops rotating after being braked, the rotor rotates at a high speed due to inertia, generates current due to relative motion with the stator, and sends the current to the energy storage battery for charging.
It can be seen that, compared with the prior art that the rotor stops rotating quickly after the brake component brakes the wheel, the electronic clutch is adopted to control the connection between the rotor and the wheel hub in the embodiment of the application, and after the electronic clutch receives the separation signal, the rotor is controlled to be separated from the hub, so that even if the wheel stops rotating under the brake of the brake component, the rotor can still continue to operate at a high speed, and thus the rotor and the stator can cut magnetic induction lines to generate current when moving relatively.
Specifically, the driving part is also used for stopping braking the wheels after receiving no braking signal, supplying power to the rotor again and sending a connection signal to the electronic clutch;
the electronic clutch is used for controlling the rotor to be connected with the wheel again after receiving the connection signal so as to enable the motor to enter a motor mode;
and the motor is used for driving the wheels to rotate after entering the motor mode.
When a user stops rotating the brake handle, namely the brake handle cannot send a brake signal to the driving part any more, the driving part stops controlling the brake part to brake the wheel, the power supply to the motor is restarted, a connection signal is sent to the electronic clutch, then the first microcontroller in the electronic clutch controls the second connecting end of the connecting part to be connected with the hub again, and the rotor which is electrified drives the hub to rotate again, namely the motor enters the motor mode again.
Specifically, as shown in fig. 5, the driving component 101 in the embodiment of the present application includes a second microcontroller 1011 and a charging and discharging circuit 1012, the second microcontroller 1011 and the charging and discharging circuit 1012 are integrated on the same circuit board, the second microcontroller 1011 is connected to the charging and discharging circuit 1012 and the electronic clutch 1023, and the charging and discharging circuit is connected to the battery 103 and the rotor 1021.
The second microcontroller 1011 is used for controlling the charging and discharging circuit to stop supplying power to the rotor and sending a separation signal to the electronic clutch when the wheel rotating speed value is determined to be greater than the first set speed threshold value; and the control circuit is used for controlling the charging and discharging circuit to supply power to the rotor again and sending a connection signal to the electronic clutch when the wheel rotating speed value is determined to be smaller than or equal to a second set speed threshold value.
In the embodiment of the application, the driving part comprises the second microcontroller and the charging and discharging circuit which are integrated on the same circuit board, the structure can save the occupied space of the charging device, when the motor needs to be switched to a generator mode, the charging and discharging circuit can be controlled to stop supplying power to the rotor, when the motor needs to be switched to a motor mode, the charging and discharging circuit can be controlled to restart supplying power to the rotor, the charging and discharging circuit is a bidirectional circuit, the current can be controlled to flow into the rotor of the motor through the storage battery, and the current generated by the motor can be controlled to flow into the storage battery for charging.
In addition, the second microcontroller can be further connected with a brake handle, and particularly, the second microcontroller is used for controlling the brake part to brake the wheel when receiving a brake signal, controlling the charging and discharging circuit to stop supplying power to the rotor and sending a separation signal to the electronic clutch; and the control circuit is used for controlling the brake component to stop braking the wheel after receiving the brake signal, controlling the charge-discharge circuit to supply power to the rotor again and sending a connection signal to the electronic clutch.
Specifically, in the embodiment of the present application, the second microcontroller in the driving component is connected with the first microcontroller in the electronic clutch, so that the second microcontroller can send the separation signal or the connection signal to the first microcontroller, and the first microcontroller can control the second connection end of the connecting component to be separated from the wheel hub based on the separation signal and control the second connection end of the connecting component to be connected with the wheel hub based on the connection signal.
Specifically, the brake component mentioned in the embodiment of the present application is used for braking a wheel, when the driving component receives a brake signal sent by the brake handle, the brake component can be controlled to brake the wheel, when the driving component does not receive the brake signal, the brake component can be controlled to stop braking the wheel, here, braking of the wheel of the electric vehicle is an automatic braking process, of course, the embodiment of the present application is also applicable to electric vehicles requiring manual braking, for example, when a user feels that the speed of the electric vehicle is too fast during riding, or when an emergency situation occurs and braking is required, the electric vehicle can be braked by holding the hand brake, so that the hand brake can generate a brake signal to send to the driving component on one hand, and on the other hand, the hand brake can pull the brake component to brake the wheel, so that the wheel is decelerated or suddenly stopped rotating, so that after the driving component receives the brake signal, similarly, the power supply to the rotor in the motor is stopped, and a release signal is sent to the electronic clutch, so that the rotor continues to rotate due to inertia, and the rotor which continues to rotate moves relative to the stator to generate current.
In another embodiment, the charging device further comprises a temperature sensor and a battery control circuit, the temperature sensor being connected to the battery control circuit.
The temperature sensor is used for detecting the current temperature value of the storage battery and sending the current temperature value to the battery control circuit;
and the battery control circuit is used for controlling the storage battery to be disconnected with the driving component when the current temperature value is determined to be higher than the temperature threshold value.
When the temperature of the battery is too high, for example, exceeds a temperature threshold set in advance, the battery can be controlled to be disconnected from the driving component, and the disconnection refers to the process of cutting off the discharging and charging of the battery, that is, the current in the battery cannot flow into the driving component, specifically, a charging and discharging circuit in the driving component, and the current generated by the motor cannot flow into the battery, so that the battery is protected.
In one embodiment, the charging device further comprises a display screen, and the driving part is respectively connected with the battery control circuit and the display screen;
the battery control circuit is also used for sending the current temperature value to the driving part when the current temperature value is determined to be higher than the temperature threshold value;
and the driving component controls the display screen to display the current temperature value after receiving the current temperature value.
It is mentioned above, when the present temperature value of battery was higher than the temperature threshold, can cut off the electric current inflow drive assembly in the battery, but battery control circuit still can send the present temperature value of battery to drive assembly, and drive assembly can control the display screen and show after receiving present temperature value, and the user can see the present temperature value of battery through the display screen like this to in time take measures.
Here, the display screen can set up on the handlebar, namely the user can look over the current temperature condition of battery through the display screen in the in-process of riding the trolley-bus.
In another embodiment, the charging device further comprises an audible prompting feature.
The sound presentation means may be a voice presentation means, that is, a means for performing voice broadcast, or a means for presenting a setting sound, for example, a means for presenting a "drip" sound.
The battery control circuit is also used for setting a period to obtain a residual electric quantity value of the battery, sending the residual electric quantity value to the driving part when detecting that the residual electric quantity is less than or equal to a low electric quantity threshold value, and controlling the sound prompt part to prompt;
And the driving component is used for controlling the display screen to display the residual electric quantity value after receiving the residual electric quantity value.
The embodiment of the application also provides an electric car which comprises the charging device.
Specifically, the electric vehicle comprises an electric vehicle body and a charging device, wherein the electric vehicle can be an electric moped or an electric vehicle.
The charging device and the electric car provided by the embodiment of the application, wherein the charging device comprises a driving part, a motor and a storage battery, the motor is internally provided with a rotor, a stator and an electronic clutch, and the driving part is respectively connected with the storage battery. The electronic clutch controls the rotor and the wheels to be separated after receiving the separation signal, the wheel rapidly drops in rotation speed due to friction with the ground after the rotor and the wheels are separated, the rotor still rotates at a high speed due to inertia, the rotor and the stator perform relative motion to generate current, the motor enters a generator mode at the moment, the generated current is transmitted to the storage battery to be stored, namely, the charging equipment converts redundant kinetic energy into electric energy of the storage battery, in addition, the electronic clutch can separate the rotor and the wheels, the rotor still keeps rotating at a high speed for a long time even after the driving part stops supplying power to the rotor, and therefore, the rotor and the stator can keep rotating relatively for a long time, the charging equipment provided by the embodiment of the application can improve the conversion rate of converting kinetic energy into electric energy, and the storage battery can obtain more charging current in the running process of the electric car, so that the endurance mileage of the electric car using the charging equipment is improved.
In addition, compared with the prior art that the rotor stops rotating quickly after the brake component brakes the wheel, the electronic clutch is adopted to control the connection between the rotor and the wheel hub, and after the electronic clutch receives the separation signal, the rotor is controlled to be separated from the wheel hub, so that even if the wheel stops rotating under the brake of the brake component, the rotor can still continue to operate at a high speed, and thus the rotor and the stator can cut magnetic induction lines to generate current when moving relatively.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to corresponding processes in the method embodiments, and are not described in detail in this application. In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical division, and there may be other divisions in actual implementation, and for example, a plurality of modules or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or modules through some communication interfaces, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer-readable storage medium executable by a processor. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A charging device, comprising: the motor is internally provided with a rotor, a stator and an electronic clutch, and the driving part is respectively connected with the storage battery, the rotor and the electronic clutch;
the driving component is used for stopping supplying power to the rotor and sending a separation signal to the electronic clutch when the rotating speed value of the wheel is determined to be larger than a first set speed threshold value;
the electronic clutch is used for controlling the rotor to be separated from the wheel after receiving the separation signal so as to enable the motor to enter a generator mode;
the motor is used for generating current through the relative movement of the rotor and the stator after entering the generator mode and transmitting the generated current to the storage battery;
The driving component is further used for supplying power to the rotor again and sending a connection signal to the electronic clutch when the wheel rotating speed value is determined to be smaller than or equal to a second set speed threshold value;
the electronic clutch is used for controlling the rotor to be connected with the wheel again after receiving the connection signal so as to enable the motor to enter a motor mode;
and the motor is used for driving the wheels to rotate after entering the motor mode.
2. The charging apparatus according to claim 1, further comprising a wheel speed sensor connected with the driving part;
the wheel speed sensor is used for detecting the rotating speed value of the wheel and sending the rotating speed value of the wheel to the driving component;
and the driving component is used for judging whether the wheel rotating speed value is greater than the first set speed threshold value or not after receiving the wheel rotating speed value, or judging whether the wheel rotating speed value is less than or equal to the second set speed threshold value or not.
3. The charging apparatus of claim 1, further comprising a brake handle, the brake handle being coupled to the drive member;
The brake handle is used for generating and sending a brake signal to the driving part when a user brakes;
and the driving part is also used for braking the wheels, stopping supplying power to the rotor and sending the separation signal to the electronic clutch when receiving the brake signal.
4. The charging device according to claim 3,
the driving part is also used for stopping braking the wheel after the braking signal is not received, supplying power to the rotor again and sending a connection signal to the electronic clutch;
the electronic clutch is used for controlling the rotor to be connected with the wheel again after receiving the connection signal so as to enable the motor to enter a motor mode;
and after the motor enters the motor mode, the motor drives the wheels to rotate.
5. The charging device of claim 1, wherein the electronic clutch includes a first microcontroller and a connecting member, the connecting member including a first connection terminal and a second connection terminal, the first microcontroller being connected to the driving member;
the first connecting end is used for being connected with the rotor, and the second connecting end is used for being connected with the wheel;
And the first microcontroller is used for controlling the second connecting end of the connecting part to be separated from the wheel after receiving the separation signal, and controlling the second connecting end of the connecting part to be connected with the wheel again after receiving the connection signal.
6. The charging device according to claim 1, wherein the driving component comprises a second microcontroller and a charging and discharging circuit, the second microcontroller and the charging and discharging circuit are integrated on the same circuit board, the second microcontroller is respectively connected with the charging and discharging circuit and the electronic clutch, and the charging and discharging circuit is respectively connected with the storage battery and the rotor;
the second microcontroller is used for controlling the charging and discharging circuit to stop supplying power to the rotor and sending a separation signal to the electronic clutch when the rotating speed value of the wheel is determined to be greater than the first set speed threshold value; and the electronic clutch is used for controlling the charging and discharging circuit to supply power to the rotor again and sending the connection signal to the electronic clutch when the wheel rotating speed value is determined to be less than or equal to the second set speed threshold value.
7. The charging apparatus according to claim 1, further comprising a temperature sensor and a battery control circuit, the temperature sensor being connected to the battery control circuit;
the temperature sensor is used for detecting the current temperature value of the storage battery and sending the current temperature value to the battery control circuit;
and the battery control circuit is used for controlling the storage battery to be disconnected with the driving part when the current temperature value is determined to be higher than the temperature threshold value.
8. The charging device according to claim 7, further comprising a display screen, wherein the driving part is respectively connected to the battery control circuit and the display screen;
the battery control circuit is further used for sending the current temperature value to the driving part when the current temperature value is determined to be higher than a temperature threshold value;
and the driving part controls the display screen to display the current temperature value after receiving the current temperature value.
9. The charging device according to claim 8, further comprising an audible prompting component;
the battery control circuit is further used for setting a period to obtain a residual electric quantity value of the storage battery, sending the residual electric quantity value to the driving part when detecting that the residual electric quantity value is smaller than or equal to a low electric quantity threshold value, and controlling the sound prompting part to prompt;
And the driving component is used for controlling the display screen to display the residual electric quantity value after receiving the residual electric quantity value.
10. An electric car characterized by comprising the charging device according to any one of claims 1 to 9.
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| CN201910401677.9A CN111845362B (en) | 2019-05-14 | 2019-05-14 | Charging equipment and electric car |
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| CN201910401677.9A CN111845362B (en) | 2019-05-14 | 2019-05-14 | Charging equipment and electric car |
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| JP3826637B2 (en) * | 1999-10-08 | 2006-09-27 | トヨタ自動車株式会社 | Vehicle regenerative braking device |
| CN101837737A (en) * | 2009-03-17 | 2010-09-22 | 陈跃明 | Brake energy recovering system of electric vehicle |
| CN202029842U (en) * | 2011-04-13 | 2011-11-09 | 成都凯迈科技有限公司 | Drive and control system of pure electric vehicle |
| CN109552026A (en) * | 2019-01-08 | 2019-04-02 | 刘美娟 | A kind of electric vehicle |
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