CN211642426U - Electric vehicle - Google Patents

Abstract

The utility model discloses an electric vehicle. The electric vehicle includes a vehicle body, a state detection circuit, and a state prompt circuit. The vehicle body includes a functional element. The state detection circuit is electrically connected to a functional element of the vehicle to obtain a state signal of the functional element. The functional element comprises a charger, and the state detection circuit comprises a battery state detection circuit for detecting the voltage state of the charger. The state cue circuit is electrically connected to the state detection circuit and configured to receive the state signal from the state detection circuit and output a cue signal based on the state signal. The utility model also discloses an electric vehicle of including controller, determine module and suggestion device. The utility model discloses an electric vehicle can indicate with regard to the vehicle current state to user or maintenance personal before the vehicle unblock to make things convenient for user or fortune dimension personnel in time to know the vehicle state, discernment trouble vehicle, thereby improved user experience and fortune dimension personnel's work efficiency.

Description

Electric vehicle

Technical Field

The utility model relates to the field of vehicle technology, especially, relate to an electric vehicle.

Background

Vehicles are common vehicles. Under the great trend of energy conservation and environmental protection, electric vehicles are increasingly widely used. An electric vehicle is a vehicle that uses a battery as an energy source, converts electric energy into mechanical energy by a motor and the like, and changes speed by controlling the magnitude of current. As one of the electric vehicles, the electric scooter not only has moderate speed and easy operation, but also has the functions of braking and accelerating. Therefore, the electric scooter is suitable for people of various ages and is particularly popular with teenagers because of the capability of exercising the balance system of the teenagers.

However, before the user rides, the current state of the electric scooter is not always clear. Specifically, the user often can find that it has a trouble after scanning unblock electric scooter, and can't ride normally even when serious, and this has brought relatively poor user experience. In addition, the maintenance personnel can not know the current state of the electric scooter in time, so that the electric scooter with faults can not be maintained in time.

SUMMERY OF THE UTILITY MODEL

To one or more problems among the prior art, the utility model provides an electric vehicle, electric vehicle can indicate to user or maintenance personal with regard to the vehicle current state before the vehicle unblock to make things convenient for user or fortune maintenance personal to in time know the vehicle state, discernment trouble vehicle, thereby improved user experience and fortune maintenance personal's work efficiency.

An aspect of the present invention provides an electric vehicle, the electric vehicle includes a vehicle body, a state detection circuit and a state prompt circuit, the vehicle body includes a functional element, the state detection circuit is electrically connected to the functional element and is configured to obtain a state signal of the functional element, wherein, the functional element includes a charger, the state detection circuit includes a battery state detection circuit, the battery state detection circuit is used for detecting a voltage state of the charger, the state prompt circuit is electrically connected to the state detection circuit and is configured to receive the state signal from the state detection circuit and based on the state signal output prompt signal.

Another aspect of the utility model provides an electric vehicle, electric vehicle includes controller, determine module and suggestion device, determine module connect in the controller and connect in electric vehicle's functional element under the control of controller, determine module is used for detecting functional element's fault signal, determine module is detecting behind the fault signal will fault signal transmits for the controller, the suggestion device connect in the controller is used for the basis fault signal makes the suggestion.

Yet another aspect of the present invention provides an electric vehicle, the electric vehicle includes a controller and a prompting device, the controller is connected to a functional element of the electric vehicle and is used for detecting a fault signal of the functional element, the prompting device is connected to the controller and is used for making a prompt according to the fault signal.

On the one hand, the utility model provides an electric vehicle is equipped with state detection circuit and state suggestion circuit, can obtain the state signal and the output state signal of each functional element for the user can know the state of vehicle before riding or fortune dimension personnel directly perceivedly, for example, whether the vehicle has the trouble, thereby has improved user experience and fortune dimension personnel's maintenance efficiency.

On the other hand, the utility model provides an electric vehicle, through setting up determine module and suggestion device, determine module can detect electric vehicle's functional element's fault signal under the control action of controller to determine module sends information to the controller after detecting fault signal, and controller control suggestion device gives the suggestion afterwards, makes user or fortune dimension personnel can audio-visually know whether this electric vehicle has the trouble, whether influences and rides, has improved user experience and fortune dimension personnel's maintenance efficiency.

Drawings

The following drawings describe in detail exemplary embodiments disclosed in the present disclosure. In the drawings, like reference numerals designate similar structures. Those of ordinary skill in the art will understand that these embodiments are non-limiting, exemplary embodiments and that the drawings are for illustrative and descriptive purposes only and are not intended to limit the scope of the present invention, as other embodiments may equally accomplish the inventive intent of the present invention. It should be understood that the drawings are not to scale. Wherein:

fig. 1 shows a schematic view of a vehicle according to an embodiment of the invention;

fig. 2 shows a partial enlarged view of a vehicle according to an embodiment of the invention;

fig. 3 shows a circuit diagram of a battery state detection circuit according to an embodiment of the present invention;

fig. 4 shows a circuit diagram of a voltage detection circuit according to an embodiment of the present invention;

fig. 5 shows a circuit diagram of a voltage detection circuit according to an embodiment of the present invention;

fig. 6 shows a circuit diagram of a temperature detection circuit according to an embodiment of the present invention;

fig. 7 shows a circuit diagram of a status prompting circuit according to an embodiment of the present invention;

fig. 8 is a schematic diagram illustrating a connection relationship among a controller, a detection assembly, a functional element and a prompting device according to an embodiment of the present invention;

fig. 9 is a schematic diagram illustrating a connection relationship among a controller, a detection assembly, a functional element, a battery and a prompting device according to an embodiment of the present invention;

fig. 10 is a schematic diagram illustrating a connection relationship between a controller, a functional element and a prompting device according to an embodiment of the present invention;

fig. 11 shows a schematic diagram of a controller according to an embodiment of the invention.

Detailed Description

The following description is presented to enable any person skilled in the art to make and use the invention, and is provided in the context of particular applications and its requirements. Various modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the present invention. Thus, the present invention is not limited to the embodiments shown, but is to be accorded the widest scope consistent with the claims.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. For example, as used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and/or "including," when used in this specification, are intended to specify the presence of stated integers, steps, operations, elements, components, and/or groups, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The term "A on B" as used in this specification means that A is either directly adjacent (above or below) B or indirectly adjacent (i.e., separated by some material) to B; the term "A within B" means that A is either entirely within B or partially within B.

These and other features of the invention, as well as the operation and function of the related elements of the structure, and the economic efficiency of assembly and manufacture, are all significantly improved by the following description. All of which form a part of the invention with reference to the accompanying drawings. It is to be expressly understood, however, that the drawings are for the purpose of illustration and description only and are not intended as a definition of the limits of the invention.

Further, while the systems and methods of the present disclosure have been described primarily with respect to vehicle design, it should be understood that this is merely an exemplary embodiment. The system or method of the present invention may be applied to any other type of vehicle. For example, the system or method of the present invention may be applied to vehicles in different environments, including terrestrial, marine, aerospace, etc., or any combination thereof. The vehicle may include an electric, motorized, and/or manual scooter, bicycle, moped, motorcycle, balance bike, motorboat, and the like, or any combination thereof.

The technical solution of the present invention will be described in detail with reference to the following embodiments and accompanying drawings.

As shown in fig. 1 and 2, the electric vehicle 100 may include a vehicle body and a status prompting system 150. The vehicle body may include a wheel portion 110, a body portion 120, a steering portion 130, and a brake portion 140. The vehicle body may include various functional elements 43, such as a motor (e.g., for driving the electric vehicle 100 to travel), a battery 129, a charger (e.g., for connecting the battery 129 to a power source), and the like. The battery 129 may be a lead-acid battery, a nickel-metal hydride battery, or a lithium battery. The battery 129 may include a positive terminal and a negative terminal. The first end of the charger is used to connect to an external power source and the second end of the charger is used to connect to the battery 129 or the status detection circuit 200. In some embodiments, the second end of the charger includes two terminals that are connected to the battery 129 and the status detection circuit 200 (e.g., the battery status detection circuit 210), respectively. In some embodiments, the functional elements 43 may also include front wheels 112, rear wheels 114, lights 132, and a display device 135.

The wheel portion 110 may include a front wheel 112, a front wheel fender 116, a rear wheel 114, and a rear wheel fender 118. The front wheel fenders 116 may have a curved shape and may be substantially coaxial with the front wheels 112. When the electric vehicle 100 moves on the road, the front wheel fender 116 may block dirt brought about by rolling of the front wheel 112. The rear wheel fenders 118 may have a curved shape and may be substantially coaxially aligned with the rear wheels 114. When the electric vehicle 100 moves on the road, the rear wheel fender 118 may block dirt brought about by rolling of the rear wheel 114.

The body portion 120 may include a main body 124, a front tube 126, and a down tube 128. The main body 124 may include a battery compartment (not shown) to house a battery 129 of the electric vehicle 100. The upper surface of the body 124 may serve as a pedal 122 for a user/rider to stand on while riding the electric vehicle 100. The main body 124 may be connected to the down tube 128 on one side and to the rear wheel fender 118 on the other side. The lower tube 128 may connect the main body 124 with the front tube 126.

The steering portion 130 may include a handlebar 134, a rudder tube 136, a gooseneck 138, and a front fork 139. The vehicle light 132 may be mounted on the rudder stock 136. The handlebar 134 may be located on an upper portion of the rudder stock 136 and may be connected with the rudder stock 136 by a gooseneck 138, forming a general T-shape with the rudder stock 136. The rudder stock 136 may be connected with a front fork 139, which front fork 139 is further connected to the front wheel 112. Additionally, the head tube 126 may encase the rudder tube 136; the rudder tube 136 may pivot within the head tube 126. Accordingly, a user standing on the pedal 122 may hold the handle bar 134 and control the moving direction of the electric vehicle 100 by pivoting the handle bar 134.

The braking portion 140 may include a brake grip 142, a brake cable 144, a front wheel brake 146, and a rear wheel brake 148. Brake cable 144 may be connected to brake grip 142. When the brake grip 142 is rotated relative to the handlebar 134 by a force, the brake cable 144 is pulled, which in turn actuates the front wheel brake 146 and/or the rear wheel brake 148 to apply the brakes. Status prompting system 150 may include status detection circuit 200 and status prompting circuit 300.

The state detection circuit 200 may be configured to be electrically connected to the functional element 43 of the electric vehicle 100 to obtain a state signal of the functional element 43. The status signal may take a variety of forms, for example, the status signal may be a voltage signal, a current signal, a temperature signal, a speed signal, a pressure signal, or a fault signal. The state detection circuit 200 may also be used to check whether there is a fault in the functional element 43, which indicates an abnormal operation of the functional element 43 of the electric vehicle 100. The faults of the functional element 43 may include an overcurrent fault of the current of the electronic device, an undervoltage fault of the voltage of the electronic device, an overvoltage fault of the voltage of the electronic device, a locked rotor fault of the mechanical rotating structure, a motor fault, a brake crank fault, a crank fault, a communication fault, a motor phase line short-circuit fault, a motor overheating fault, an electric control overheating fault and the like.

The acquisition of the status signal of the functional element 43 by the status detection circuit 200 may be real-time and/or periodic, or non-real-time and/or non-periodic, or may follow a data acquisition schedule set by a user in advance.

In some embodiments, the state detection circuit 200 may be connected to various analog signal sensors to receive voltage and/or current signals therefrom and output corresponding state signals. The analog signal sensors include, but are not limited to: voltage sensors, current sensors, pressure sensors, temperature sensors, humidity sensors, vehicle tilt angle sensors (such as gyroscopes), and moment sensors.

In some embodiments, the number of state detection circuits 200 may be the same as the number of functional elements 43. In some embodiments, the number of state detection circuits 200 may also be greater than the number of functional elements 43. In some embodiments, the number of state detection circuits 200 may also be less than the number of functional elements 43.

The state detection circuit 200 may include a battery state detection circuit 210, and the state detection circuit 210 may be used to detect the state of the battery 129 of the electric vehicle 100, including but not limited to: charging, charge depleting, or charge non-depleting, etc. The status detection circuit 210 may receive a voltage signal from the battery 129 and output a status signal (e.g., in the form of a level) based on the voltage signal.

As shown in fig. 3, the battery state detection circuit 210 includes a first input terminal T1, a second input terminal T2, a third input terminal T3, a fourth input terminal T4, a first output terminal E1, a second output terminal E2, a third output terminal E3, a fourth output terminal E3, a first resistor R3, a second resistor R3, a third resistor R3, a fourth resistor R3, a fifth resistor R3, a sixth resistor R3, a seventh resistor R3, an eighth resistor R3, a ninth resistor R3, a tenth resistor R3, an eleventh resistor R3, a first diode D3, a second diode D3, a third diode D3, a fourth diode D3, a fifth diode D3, a first transistor Q3, a first capacitor C3, a second capacitor C3, a third capacitor C3, a fourth capacitor C3, a MOS field effect transistor 3, and a fet 3.

Specifically, the first input terminal T1 is for electrically connecting to a charger of a vehicle to receive a voltage signal (e.g., +36V voltage signal) from the charger. A first end of the first resistor R1 is electrically connected to the first input terminal T1. The anode of the first diode D1 is electrically connected to the second terminal of the first resistor R1. A first terminal of the second resistor R2 is electrically connected to the cathode of the first diode D1. The first terminal of the third resistor R3 is electrically connected to the second terminal of the second resistor R2. The first terminal of the fourth resistor R4 is electrically connected to the second terminal of the third resistor R3. The second end of the fourth resistor R4 is grounded or at zero potential. The anode of the second diode D2 is connected to the second terminal of the second resistor R2. A first terminal of the first fuse F1 is connected to the cathode of the second diode D2, and a first output terminal E1 is connected to a second terminal of the first fuse F1. The first output terminal E1 is used to output a first state signal. The first output terminal E1 may be connected to the status prompt circuit 300. The second input terminal T2 is for receiving a first control signal (e.g., +3.3V voltage signal). The first control signal may be from a circuit controller of the electric vehicle 100. The circuit controller is used to control the dashboard and other circuitry of the electric vehicle 100. A first end of the fifth resistor R5 is electrically connected to the second input terminal T2. The positive electrode of the third diode D3 is electrically connected to the second terminal of the fifth resistor R5. The cathode of the third diode D3 is electrically connected to the first terminal of the second resistor R2. The third input terminal T3 is for receiving a second control signal (e.g., +3.3V voltage signal). The second control signal may be from a central controller of the electric vehicle 100. The central control unit serves to control the functional elements 43 of the vehicle 100. The positive electrode of the fourth diode D4 is electrically connected to the third input terminal T3. The cathode of the fourth diode D4 is electrically connected to the first terminal of the second resistor R2. The second output terminal E2 is used to output a second state signal. The second output terminal E2 may be connected to the status prompt circuit 300. A first terminal of the sixth resistor R6 is electrically connected to a second terminal of the first resistor R1. A second end of the sixth resistor R6 is electrically connected to the second output terminal E2. The first terminal of the seventh resistor R7 is electrically connected to the second terminal of the first resistor R1. The second end of the seventh resistor R7 is grounded or connected to zero potential. The third output terminal E3 is used to output a third state signal. The third output terminal E3 may be connected to the status prompt circuit 300. A first terminal of the eighth resistor R8 is electrically connected to a second terminal of the fifth resistor R5. A second end of the eighth resistor R8 is electrically connected to the third output terminal E3. The fourth output terminal E4 is used to output a fourth state signal (e.g., +15V voltage signal). The fourth output terminal E4 may be connected to the status prompt circuit 300. The fourth output terminal E4 is electrically connected to the cathode of the second diode D2. The fourth input terminal T4 is electrically connected to the positive electrode of the battery 129 of the vehicle to receive a voltage signal (e.g., +36V voltage signal) from the positive electrode of the battery 129. The cathode of the fifth diode D5 is electrically connected to the second end of the third resistor R3, and the anode of the fifth diode D5 is grounded or connected to zero potential. The fifth diode D5 may be a zener diode for preventing excessive voltage or current from connecting to the gate of the mosfet M1. The source of the MOS field effect transistor M1 is grounded or connected to zero potential. The gate of the mosfet M1 is electrically connected to the second terminal of the third resistor R3. The collector of the first transistor Q1 is electrically connected to a first terminal of a first fuse F1. The emitter of the first transistor Q1 is linked to the fourth input terminal T4. The first terminal of the ninth resistor R9 is electrically connected to the drain of the mosfet M1. A second terminal of the ninth resistor R9 is electrically connected to the base of the first transistor Q1. A first terminal of the tenth resistor R10 is electrically connected to the drain of the mosfet M1. A second terminal of the tenth resistor R10 is electrically connected to the base stage of the first transistor Q1. A first terminal of the eleventh resistor R11 is electrically connected to the base stage of the first transistor Q1. A second terminal of the eleventh resistor R11 is electrically connected to the emitter of the first transistor Q1. A first terminal of the first capacitor C1 is electrically connected to a first terminal of the fourth resistor R4. The second terminal of the first capacitor C1 is electrically connected to the second terminal of the fourth resistor R4. A first terminal of the second capacitor C2 is electrically connected to the base of the first transistor Q1. A second terminal of the second capacitor C2 is electrically connected to the emitter of the first transistor Q1. A first terminal of the third capacitor C3 is electrically connected to the emitter of the first transistor Q1. The second terminal of the third capacitor C3 is grounded or at zero potential. A first terminal of the fourth capacitor C4 is electrically connected to the collector of the first transistor Q1. The second terminal of the fourth capacitor C4 is grounded or at zero potential. The first capacitor C1, the second capacitor C2, the third capacitor C3 and the fourth capacitor C4 may be used to filter low frequency signals and pass high frequency signals.

When the battery 129 of the electric vehicle 100 is dead and the electric vehicle 100 is not connected to the charger, the first output terminal E1 provides the first status signal as zero level, and then the status prompt circuit 300 can issue a corresponding prompt signal indicating that the status of the electric vehicle 100 is power-off.

When the battery 129 of the electric vehicle 100 is dead but the first input terminal T1 receives a voltage signal from the charger, the first diode D1 is turned on in the forward direction to form a current between the first input terminal T1 and ground, the current passing through the first resistor R1, the second resistor R2, the third resistor R3, and the fourth resistor R4. Since the potential at the junction of the second resistor R2 and the third resistor R3 is sufficiently large, the second diode D2 is turned on in the forward direction, at this time, the first output terminal E1 outputs the potential at the junction between the second resistor R2 and the third resistor R3 as the first state signal (e.g., +6V voltage signal), and then the state prompting circuit 300 can issue a corresponding prompting signal to indicate that the state of the electric vehicle 100 is charging.

When the battery 129 is charged (i.e., the T4 has a high voltage input), when a voltage signal is input from the second input terminal T2 or the third input terminal T3, the gate of the MOS fet M1 is triggered, the source and the drain of the MOS fet M1 are turned on, and a base current is generated at the base of the first transistor Q1, so that the first transistor Q1 generates an amplified current from the emitter current to the collector, and the output potential of the first output terminal E1 is substantially equal to the collector potential of the first transistor Q1. At this time, since the potential of the cathode of the second diode D2 is higher than that of the anode thereof, the second diode D2 is not conductive.

As can be seen from the above description, when a voltage signal is input to the first input terminal T1, the second input terminal T2, or the third input terminal T3, the voltage value of the first state signal output at the first output terminal E1 is also different in consideration of the on state of the second diode D2, and the different resistance values of the first resistor R1 and the fifth resistor R5. The status notification circuit 300 may cause the status notification lamp 400 to display different colors and/or brightnesses to indicate different statuses of the electric vehicle 100 according to different voltage values received from the first output terminal E1.

In some embodiments, the second output terminal E2 may also be connected to the status prompt circuit 300. The second status signal may also be used to determine whether the battery 129 is charging. For example, when the second status signal is high, it indicates that the electric vehicle 100 has been plugged in with a charger to start charging.

In some embodiments, the first output terminal E1 may be connected to an electronic lock of the electric vehicle 100, and the third input terminal T3 may receive a lock/unlock signal from a circuit controller of the electric vehicle 100, which is input to the electronic lock of the electric vehicle 100 via the first output terminal E1 for a lock/unlock operation.

In some embodiments, the first output terminal E1 may be connected to a circuit controller of the electric vehicle 100, and the second input terminal T2 may receive an enable signal from a central controller of the electric vehicle 100, which is input to the circuit controller via the first output terminal E1 to activate the circuit controller.

In some embodiments, the fourth output terminal E4 may be connected to the circuit controller to power the circuit controller. In some embodiments, the first output terminal E1 may be connected to a lamp (e.g., a headlight or a tail light) of the electric vehicle 100 to power the lamp.

In some embodiments, the battery status detection circuit 210 may be connected to other functional elements 43 (e.g., motors) to receive voltage signals from the other functional elements 43 and output corresponding status signals.

The state detection circuit 200 may further include a voltage detection circuit 220, and the voltage detection circuit 220 may be used to detect a state of a functional element 43 (e.g., a motor) of the electric vehicle 100, including but not limited to: over-current, over-voltage, under-voltage, etc. The voltage detection circuit 220 may receive a voltage signal from the motor and output a status signal (e.g., in the form of a voltage signal) based on the voltage signal.

As shown in fig. 4, the voltage detection circuit 220 may include an operational amplifier a1, a fifth input terminal T5, a fifth output terminal E5, a second fuse F2, a third fuse F3, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16, a fifth capacitor C5, and a sixth capacitor C6. In some embodiments, the twelfth resistor R12 is 2K Ω, the thirteenth resistor R13 is 2K Ω, the fourteenth resistor R14 is 15K Ω, the fifteenth resistor R15 is 1K Ω, the sixteenth resistor R16 is 33K Ω, the fifth capacitor C5 and the sixth capacitor C6 are both 100pF, and the operational amplifier a1 is an LM324 operational amplifier.

Specifically, the fifth input terminal T5 is for electrically connecting to a motor of the electric vehicle 100 to receive a voltage signal from the motor. The fifth output terminal E5 is used to output a fifth state signal. A first end of the second fuse F2 is electrically connected to the fifth input terminal T5. The first terminal of the third fuse F3 is grounded or at zero potential. A first terminal of the twelfth resistor R12 is electrically connected to a second terminal of the second fuse F2. The second terminal of the twelfth resistor R12 is electrically connected to the positive input terminal of the operational amplifier a 1. A first terminal of the thirteenth resistor R13 is electrically connected to a second terminal of the second fuse F2. The second terminal of the thirteenth resistor R13 is electrically connected to the negative input terminal of the operational amplifier a 1. A first terminal of the fourteenth resistor R14 is electrically connected to the negative input terminal of the operational amplifier A1. A second terminal of the fourteenth resistor R14 is electrically connected to the output terminal of the operational amplifier A1. A first terminal of the fifteenth resistor R15 is electrically connected to the output terminal of the operational amplifier A1. A second end of the fifteenth resistor R15 is electrically connected to the fifth output terminal E5. A first terminal of the sixteenth resistor R16 is electrically connected to the positive input terminal of the operational amplifier A1. A second terminal of the sixteenth resistor R16 is electrically connected to the power supply potential VCC. The supply potential VCC may be +3.3V, +5V, +12V, +18V, +24V, or + 36V. A first terminal of the fifth capacitor C5 is electrically connected to a first terminal of the second fuse F2. A second terminal of the fifth capacitor C5 is electrically connected to a first terminal of the third fuse F3. A first terminal of the sixth capacitor C6 is electrically connected to a first terminal of the twelfth resistor R12. The second terminal of the sixth capacitor C6 is electrically connected to the first terminal of the thirteenth resistor R13. The fifth capacitor C5 and the sixth capacitor C6 are used for filtering low frequency signals in the voltage detection circuit 220.

When the fifth input terminal T5 receives a voltage signal from the motor, the voltage signal is amplified in phase via the operational amplifier a1, and the gain of the operational amplifier a1 is 1+ R14/R13. The amplified voltage is divided again by the fifteenth resistor R15 and supplied from the fifth output terminal E5 to the state presentation circuit 300.

In some embodiments, the voltage detection circuit 220 may be connected to a current detector for detecting the current of the motor and converting the current into a voltage signal, which is proportional to the magnitude of the current. In this case, the voltage detection circuit 220 may be used for overcurrent fault detection of the motor. In some embodiments, when the current of the motor increases, the sampled voltage at the fifth input terminal T5 becomes large, the sampled voltage is amplified by the operational amplifier a1 and then output from the fifth output terminal E5, and then the central Control Unit (MCU) detects the amplified voltage from the fifth output terminal E5 through its analog-to-digital conversion interface and compares the amplified voltage with a threshold set in the central Control Unit, and turns off the MOSFET driving output when the amplified voltage exceeds the threshold, for the purpose of detecting an overcurrent fault.

In some embodiments, the voltage detection circuit 220 may be connected to other functional elements 43 (e.g., the battery 129) to receive voltage signals from the other functional elements 43 and output corresponding status signals.

The state detection circuit 200 may include a voltage detection circuit 230, and the voltage detection circuit 230 may be used to detect a voltage state of the functional element 43 (e.g., the battery 129) of the electric vehicle 100. The voltage detection circuit 230 may receive a voltage signal from the motor and output a status signal (e.g., in the form of a voltage signal) based on the voltage signal. As shown in fig. 5, the voltage detection circuit 230 may include a sixth input terminal T6, a sixth output terminal E6, a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, and a seventh capacitor C7. In some embodiments, the seventeenth resistor R17 is 15K Ω, the eighteenth resistor R18 is 15K Ω, the nineteenth resistor R19 is 1K Ω, and the seventh capacitor C7 is 0.1 μ F.

Specifically, the sixth input terminal T6 is for electrical connection to the battery 129 of the electric vehicle 100 to receive a voltage signal from the battery 129. The sixth output terminal E6 is used to output a sixth state signal. A first end of the seventeenth resistor R17 is electrically connected to the sixth input terminal T6. A first terminal of the eighteenth resistor R18 is electrically connected to a second terminal of the seventeenth resistor R17. A second end of the eighteenth resistor R18 is electrically connected to the sixth output terminal E6. A first terminal of the nineteenth resistor R19 is electrically connected to a second terminal of the eighteenth resistor R18. The second terminal of the nineteenth resistor R19 is at ground or zero potential. A first terminal of the seventh capacitor C7 is electrically connected to a second terminal of the eighteenth resistor R18. The second terminal of the seventh capacitor C7 is grounded or at zero potential. The seventh capacitor C7 is used to filter the low frequency signal of the voltage detection circuit 230.

When the sixth input terminal T6 receives the voltage signal from the battery 129, the voltage signal is divided by the seventeenth resistor R17, the eighteenth resistor R18, and the nineteenth resistor R19, and then supplied from the sixth output terminal E6 to the state indicating circuit 300. In some embodiments, the voltage output from the sixth output terminal E6 may be sent to the central control unit, which compares it to a threshold set in the central control unit to determine whether there is an undervoltage or overvoltage fault in the battery 129.

In some embodiments, the voltage detection circuit 230 may be connected to other functional elements 43 (e.g., motors) to receive voltage signals from the other functional elements 43 and output corresponding status signals.

The state detection circuit 200 may include a temperature detection circuit 240, and the temperature detection circuit 240 may be used to detect a temperature state of a functional element 43 (e.g., a motor) of the electric vehicle 100. The temperature detection circuit 230 may receive a voltage signal associated with temperature from the motor and output a status signal (e.g., in the form of a voltage signal) based on the voltage signal.

As shown in fig. 6, the temperature detection circuit 240 may include a thermistor Rt, a seventh output terminal E7, a twentieth resistor R20, a twenty-first resistor R21, and an eighth capacitor C8. In some embodiments, the twentieth resistor R20 is 10K Ω, the twenty-first resistor R21 is 10K Ω, and the eighth capacitor C8 is 0.1 μ F.

Specifically, the thermistor is used to be provided inside the motor of the electric vehicle 100 to exhibit different resistance values according to the temperature inside the motor. The first terminal of the thermistor Rt is grounded. The seventh output terminal E7 is used to output a seventh status signal. A first terminal of the twentieth resistor R20 is electrically connected to the second terminal of the thermistor Rt. A second end of the twentieth resistor R20 is electrically connected to the seventh output terminal E7. A first terminal of the twenty-first resistor R21 is electrically connected to a second terminal of the twentieth resistor R20, and a second terminal of the twenty-first resistor R21 is electrically connected to the power supply potential VCC. A first terminal of the eighth capacitor C8 is electrically connected to a second terminal of the twentieth resistor R20. The second terminal of the eighth capacitor C8 is grounded or connected to zero potential. The eighth capacitor C8 is used to filter the low frequency signal in the temperature detection circuit 240.

When the temperature inside the motor changes, the resistance value of the thermistor Rt changes, and the voltage of the seventh state signal output from the seventh output terminal E7 changes. The status indication circuit 300 can emit light with different brightness or different colors according to different voltages.

In some embodiments, the temperature detection circuit 240 may be connected to other functional elements 43 (e.g., the battery 129) to receive voltage signals from the other functional elements 43 and output corresponding status signals.

In some embodiments, the state detection circuit 200 may be electrically connected to a voltage comparison circuit (e.g., a comparator) that compares a voltage signal of the functional element 43 obtained by the state detection circuit 200 with a predetermined threshold voltage, and determines whether there is a failure of the functional element 43 by determining whether the voltage signal exceeds the predetermined threshold voltage. The voltage comparison circuit may be electrically connected to the status prompt circuit 300 to send a signal to the status prompt circuit 300 to prompt when the functional element 43 has a fault. In some embodiments, the voltage output from the seventh output terminal E7 may be sent to the central control unit, which compares the voltage with a threshold value set in the central control unit to determine whether there is an overheating fault with the motor.

As shown in fig. 7, the status notification circuit 300 may include a second transistor Q2, a seventh input terminal T7, a twenty-second resistor R22, a twenty-third resistor R23, a twenty-fourth resistor R24, and a status notification light 400.

Specifically, the emission set of the second triode is grounded. The seventh input terminal T7 is used to be electrically connected to a part of the state detection circuit 200 (e.g., the battery state detection circuit 210, the voltage detection circuit 220, the voltage detection circuit 230, and the temperature detection circuit 240) to receive a state signal (e.g., a voltage output signal from each output terminal) from the state detection circuit 200. A first end of the twenty-second resistor R22 is electrically connected to the seventh input terminal T7. A first terminal of the twenty-second resistor R22 is electrically connected to the base stage of the second transistor Q2. A first terminal of the twenty-third resistor R23 is electrically connected to the collector of the second transistor Q2. A first terminal of the twenty-fourth resistor R24 is electrically connected to a first terminal of the twenty-second resistor R22. A second terminal of the twenty-fourth resistor R24 is electrically connected to the supply potential VCC. A first terminal of the status indicator light 400 is electrically connected to a second terminal of the twenty-fourth resistor R24. The second terminal of the status indicator light 400 is electrically connected to the power supply potential. The status notification lamp 400 is configured to emit light based on a driving current therethrough. In some embodiments, the status notification light 400 includes one or more LEDs. In some embodiments, the status notification light 400 includes multiple LEDs connected in parallel, each configured to emit a different color of light. In some embodiments, the status indicator light 400 is a tungsten halogen lamp or a xenon lamp. In some embodiments, the status notification light 400 emits light at different intensities based on the magnitude of the current through the status notification light 400. In some embodiments, the status notification light 400 emits different colors of light based on the magnitude of the current through the status notification light 400. In some embodiments, the status indicator light 400 is U-shaped to fit the outer contour of a vehicle gooseneck. The luminous angle of the U-shaped prompting lamp is up to 270 degrees, so that fault prompting can be observed from at least three directions, and the safety and the efficiency are improved. In some embodiments, the status indicator light is mounted on a gooseneck of the vehicle. In some embodiments, the lighting effect of the status warning light 400 can be controlled by adjusting the sizes of the twenty-second resistor R22, the twenty-third resistor R23 and the twenty-fourth resistor R24. In some embodiments, the goose head 138 has a U-shaped opening in the side wall through which the status indicator light 400 may be inserted into the goose head 138. In some embodiments, the goose head 138 may have a receiving space, and the status detection circuit 200 may be located in the receiving space.

In some embodiments, the status prompting can be performed by a sound generating device instead of the status prompting lamp. The sound emitting device may be electrically connected to the state detection circuit 200 and configured to emit a sound according to the state. In some embodiments, the sound emitting device emits sound at different frequencies based on the magnitude of the current through the sound emitting device.

The utility model provides an electric vehicle can be electric bicycle, electric scooter or electrodynamic balance car, still can rely on electric drive or electricity oil hybrid drive's vehicle for other.

Fig. 8 shows a schematic connection diagram of the controller 41, the detection component 42, the functional element 43 and the prompting device 3 of the electric vehicle according to the embodiment of the present invention. The electric vehicle includes a controller 41, a detection assembly 42, and a presentation device 3. The controller 41 is preferably a control chip, such as an MCU. The detection assembly 42 is connected to the controller 41 and to a functional element 43 of the electric vehicle for detecting a fault signal of the functional element 43. The prompting device 3 is connected to the controller 41 and is used for making a prompt according to the fault signal.

Through setting up determine module 42 and suggestion device 3, determine module 42 can detect electric vehicle's functional element 43's fault signal under controller 41's control effect, determine module 42 transmits controller 41 after detecting fault signal, controller 41 control suggestion device 3 gives the suggestion afterwards for the user just can audio-visually know whether this electric vehicle has the trouble before the unblock this electric vehicle or in the in-process of riding, whether influence ride, improve user experience, also do benefit to fortune dimension personnel's maintenance.

The presentation device 3 includes a display device, and the display device is connected to the controller 41. In this embodiment, the display device is a light emitter or a display screen, and the display device can make different displays according to different fault signals. For example, when the display device is a light, when the detection component 42 detects a failure signal of the functional element 43, the failure signal is transmitted to the controller 41, and the controller 41 controls the light to display a preset color, for example, red. When the display device is a display screen, when the detection component 42 detects a fault signal of the functional element 43, the fault signal is transmitted to the controller 41, and the controller 41 controls the display screen to directly display that a certain functional element 43 has a fault by using characters, letters, numbers, codes, and the like, or the display screen displays a certain color to prompt that a certain functional element 43 has a fault, such as red, of course, in other embodiments, the color displayed by the display screen can be selected according to actual needs.

In another embodiment, the prompting device 3 further comprises a sound generating device, and the sound generating device is connected to the controller 41. Specifically, the sound generating device is a buzzer or a sound box, and can generate different sound prompts according to the fault signal detected by the detecting component 42 under the control of the controller 41.

In the present embodiment, a plurality of detection modules 42 are provided, and the plurality of detection modules 42 and the plurality of functional elements 43 of the electric vehicle are connected in a one-to-one correspondence. The function elements 43 may include an acceleration part, a brake part, a motor, a sensor part, a lamp and a working wire, that is, the acceleration part, the brake part, the motor, the sensor part and the working wire are correspondingly connected to one detection assembly 42, and the number of the detection assemblies 42 is the same as that of the function elements 43.

In other embodiments, a plurality of functional elements 43 may correspond to one detection assembly 42, for example, one detection assembly 42 may be used to detect a fault condition of a plurality of lamps.

In this embodiment, the detecting component 42 is a voltage detecting circuit, each functional element 43 is correspondingly connected to one voltage detecting circuit, and the controller 41 sequentially controls each voltage detecting circuit to determine whether there is a fault in the functional element 43 by measuring the voltage across the corresponding functional element 43 and comparing the measured voltage with a preset voltage range when the corresponding functional element 43 is normally operated. When a certain voltage detection circuit detects that the voltage at two ends of the corresponding functional element 43 is within the preset voltage range when the functional element 43 works normally, the functional element 43 is judged to be normal, otherwise, the functional element 43 is judged to be in fault, a fault signal is transmitted to the controller 41, and the prompting device 3 displays the fault. For example, the preset voltage range of the two ends of the brake component (brake handle) is 1V-4V when the brake component works normally, and when the voltage detected by the voltage detection circuit corresponding to the brake component is in the range of 1V-4V, the brake component is judged to be normal; it can be determined that the brake element is malfunctioning when the voltage detected by the voltage detection circuit corresponding to the brake element is less than 1V or greater than 4V.

After all the voltage detection circuits are detected, as long as the controller 41 receives a fault signal, the controller 41 controls the prompting device 3 to perform corresponding fault prompting according to the fault signal. Taking the display device as an example of the light-emitting body, after the controller 41 receives the fault signal, the controller 41 will control the light-emitting body to display red color to prompt the user or the operation and maintenance personnel that the electric vehicle has a fault and cannot be ridden; if the controller 41 does not receive the fault signal, the light may or may not display other colors, and of course, in other embodiments, the color of the light may be set according to actual needs.

Preferably, each detection component 42 on the electric vehicle detects whether there is a fault in its corresponding functional element 43 in real time, and when a fault occurs in any one of the functional elements 43, the prompting device 3 prompts the fault without being limited by time. Of course, the length of time for which each functional element 43 is indicated to fail may be set according to actual conditions. In other embodiments, if there are multiple faults in the vehicle at the same time, the display screen may display the fault content at the same time, or prompt the fault content by changing the lighting state of the light emitters in turn.

In the present embodiment, the electric vehicle further includes a remote control device that is communicatively connected to the controller 41 of the electric vehicle and is capable of configuring and/or querying the presentation state of the presentation device 3. The remote control device is a cloud server or a mobile terminal, and the connection mode with the controller 41 can be wireless connection through remote communication and near communication respectively. The cloud server can prompt the customer with different state information through the prompting component 3, wherein the state information comprises information of forbidding use, prompting recovery of vehicles and the like.

The configuration of the remote control device on the prompt state of the prompt device 3 specifically includes: when the status of the presentation apparatus 3 configured before indicates that a change or addition is required, the remote control apparatus may send a change or addition instruction to the controller 41, and the controller 41 may change or add the status to be presented of the presentation apparatus 3 according to the instruction. The fault information can be selectively reported or not reported to the remote control device.

The specific query of the remote control device on the prompt state of the prompt device 3 is as follows: when the electric vehicle does not report the fault of the remote control device, the remote control device can issue a query instruction to actively query the fault of the electric vehicle. The electric vehicle further comprises a transverse fixing seat and a transverse bar, the transverse bar is fixed on the transverse fixing seat, the prompting device is arranged on the transverse fixing seat, and in other embodiments, the prompting device 3 can also be arranged at other positions of the electric vehicle, such as a vertical bar of the electric vehicle.

In some embodiments, the detection component 42 may include a state detection circuit 200. In some embodiments, the detection component 42 may include a battery status detection circuit 210. In some embodiments, the detection component 42 may include a voltage detection circuit 220. In some embodiments, the detection component 42 may include a voltage detection circuit 230. In some embodiments, the sensing assembly 42 may include a temperature sensing circuit 240. In some embodiments, the prompting device 3 may include a status prompting circuit 300. In some embodiments, the controller 41 is only used to forward a fault signal from the detection component 42 to the prompting device 3.

In some embodiments, the prompting device 3 includes a display device connected to the controller 41. In some embodiments, the display device is a light or a display screen, and the display device is used for making different displays according to different fault signals. In some embodiments, the prompting device 3 includes a sound-producing device connected to the controller 41. In some embodiments, the electric vehicle 100 further includes a handlebar 134 and a goose head 138 connected to each other, and the prompting device 3 is disposed on the goose head 138. In some embodiments, the functional element 43 includes at least one of an acceleration component, a brake component, a motor, a sensor component, a light, and a work line. In some embodiments, sensing component 42 is a voltage sensing circuit connected to controller 41. In some embodiments, the electric vehicle 100 further includes a remote control device that is communicatively connected to the controller 41 of the electric vehicle 100 and configures and/or queries the prompting status of the prompting device 3. In some embodiments, the remote control device is a cloud server or a mobile terminal. In some embodiments, there are a plurality of functional elements 43 and a plurality of sensing assemblies 42, with each sensing assembly 42 coupled to a functional element 43. When at least one of the detection components 42 detects a fault in one of the functional elements 43, the controller 41 controls the prompting device 3 to make one or more prompts.

Fig. 9 shows a schematic connection diagram of the controller 41, the detection assembly 42, the functional element 43, the battery 129 and the prompting device 3 according to an embodiment of the present invention. As shown in fig. 9, the electric vehicle provided in the present embodiment has substantially the same structure as the electric vehicle in the first embodiment, except that: the detection assembly 42 comprises a first detection assembly 421 and a second detection assembly 422, the first detection assembly 421 is respectively connected to the controller 41 and the functional element 43 for detecting a fault signal of the functional element 43. The first detecting member 421 is provided in plural, and the plural first detecting members 421 are connected to the plural functional elements 43 of the electric vehicle in a one-to-one correspondence.

The second detecting element 422 is connected to the battery 129 and the controller 41, respectively, and is capable of detecting the electric quantity of the battery 129. Accordingly, the prompting device 3 is also used for making a prompt according to the power condition of the battery 129. The second detecting component 422 for detecting the electric quantity of the battery 129 is also a voltage detecting circuit, the battery 129 is connected in series with the voltage detecting circuit, the electric quantity of the battery 129 is detected by measuring the voltage between the positive electrode and the negative electrode of the battery 129, and the state of the electric quantity of the battery 129 is displayed by the prompting device 3. Taking the display device as an illuminant, when the electric quantity of the battery 129 is 70% -100%, the illuminant is green; when the charge of the battery 129 is 40% -69%, the luminous body is displayed to be yellow; when the electric quantity of the battery 129 is less than 40%, the luminous body displays red, and a user can judge whether the electric quantity of the battery 129 meets the riding mileage of the user according to the color of the luminous body. Of course, in other embodiments, the setting of the power range of the battery 129 and the color of the light emitter displaying the power condition of the battery 129 can be set according to actual needs.

In order to realize the presentation device 3 capable of presenting the failure condition of each functional element 43 and the power condition of the battery 129, the controller 41 controls the plurality of first detection units 421 and the plurality of second detection units 422 to detect the failure signal of each functional element 43 and the power condition of the battery 129 sequentially and at different time intervals. For example, controller 41 is set at 8 a.m.: 00-9: 00, each first detection component 421 detects whether there is a fault in the corresponding functional element 43, and prompts the fault by the prompting device 3; setting 9 a.m.: 00-10: 00, the second detecting component 422 detects the electric quantity of the battery 129, and the prompting device 3 prompts the electric quantity. Then 10: 00-11: 00 again by each first detection assembly 421 detecting whether there is a fault with its corresponding functional element 43, 12: 00-13: 00, the second detecting component 422 detects the electric quantity of the battery 129, and the circulation is performed in sequence. Of course, in other embodiments, the detection time and interval may be set according to actual needs.

In another embodiment, the controller 41 may also control the prompting device 3 to prompt, rather than to orderly or selectively prompt, whenever a fault is detected in at least one of the functional elements 43 or whenever a low battery condition is detected in the battery 129.

In some embodiments, the electric vehicle 100 further includes a battery 129, the detection assembly 42 includes a first detection assembly 421 and a second detection assembly 422, the first detection assembly 421 is respectively connected to the controller 41 and the functional element 43, the second detection assembly 422 is respectively connected to the controller 41 and the battery 129, the second detection assembly 422 is used for detecting the power of the battery 129, and the prompting device 3 is further used for making a prompt according to the power of the battery 129. In some embodiments, the prompting device 3 is also used for making different color prompts according to different charge conditions of the battery 129.

Fig. 10 shows a connection diagram of the controller 41, the functional element 43, and the prompting device 3 of the electric vehicle according to the embodiment of the present invention. As shown in fig. 10, the electric vehicle provided in the present embodiment is substantially the same as the electric vehicle in the first embodiment, except that: the controller 41 is directly connected to the functional element 43 of the electric vehicle for detecting a failure signal of the functional element 43. The prompting device 3 is connected to the controller 41 and is used for making a prompt according to the fault signal. The number of the functional elements 43 may be one or more, and the number of the prompting device 3 may be one or more.

In this embodiment, the controller 41 is preferably a control chip, which includes a plurality of I/O ports, and one or more of the I/O ports are correspondingly connected to a functional element 43 of the electric vehicle, the functional element 43 may be a braking component, an accelerating component, or the like, the controller 41 can measure the voltage across each functional element 43 through the I/O port, and compare the voltage measured by each I/O port with a preset voltage range when the corresponding functional element 43 operates normally, if the measured voltage is not within the preset voltage range, it is determined that the kinetic energy element 43 has a fault, and a fault is prompted through the prompting device 3.

In another embodiment, the controller 41 may also directly detect a malfunction of the prompting device 3 to enable or disable the prompting device 3 to make a prompt.

In some embodiments, the controller 41 is also used to detect a fault signal that is indicative of the device 3. In some embodiments, electric vehicle 100 is an electric bicycle, an electric scooter, or an electric balance car.

In some embodiments, the controller 41 may include a state detection circuit 200. In some embodiments, the controller 41 may include a battery status detection circuit 210. In some embodiments, the controller 41 may include a voltage detection circuit 220. In some embodiments, the controller 41 may include a voltage detection circuit 230. In some embodiments, the controller 41 may include a temperature detection circuit 240. In some embodiments, the prompting device 3 may include a status prompting circuit 300.

As shown in fig. 11, the controller 41 may include a processor 320, a read only memory 330, a random access memory 340, a COM port 350, an input/output component 360, a hard disk 370, and a communication bus 310 connecting the above components together.

The controller 41 may be a dedicated computer device specifically designed to process the status signal and/or the failure signal from the functional component 43 of the electric vehicle 100 and send the processed status signal and/or the failure signal to the presentation apparatus 3. Processor 320 is operative to execute computer instructions. The computer instructions may include, for example, routines, programs, objects, components, data structures, procedures, modules, and functions that perform the particular functions described herein. Processor 320 may include one or more hardware processors such as microcontrollers, microprocessors, Reduced Instruction Set Computers (RISC), Application Specific Integrated Circuits (ASIC), application specific instruction set processors (ASIP), Central Processing Units (CPU), Graphics Processing Units (GPU), Physical Processing Units (PPU), microcontroller units, Digital Signal Processors (DSP), Field Programmable Gate Arrays (FPGA), Advanced RISC Machines (ARM), Programmable Logic Devices (PLD), any circuit or processor capable of executing one or more functions, or the like, or any combination thereof. Read Only Memory (ROM)330, Random Access Memory (RAM)340, and disk 370 are used to store various data that is processed and/or transmitted by the computer. The COM port 350 is used to connect the controller 41 to a corresponding network to facilitate data communication. The I/O component 360 is used to support input/output between the computer and other components (e.g., user interface elements). A communications bus 310, program storage and various forms of data storage (e.g., disk 270, Read Only Memory (ROM)330, or Random Access Memory (RAM)340) are used for various data files processed and/or transmitted by the computer. The communication bus 310 is used for communication and data transmission between the above components.

The utility model provides a vehicle is equipped with state detection circuitry and state suggestion circuit, can obtain the state signal and the output state signal of each functional element for the user can know the state of vehicle before riding or fortune dimension personnel directly perceivedly, for example, whether the vehicle has the trouble, thereby has improved user experience and fortune dimension personnel's maintenance efficiency.

In view of the above, it will be apparent to those skilled in the art upon reading the disclosure of the present invention that the foregoing detailed disclosure may be presented by way of example only, and not limitation. Although not explicitly illustrated herein, those skilled in the art will appreciate that the present invention is intended to embrace various reasonable variations, improvements and modifications of the embodiments. Such alterations, improvements, and modifications are intended to be suggested by the present invention, and are within the spirit and scope of the exemplary embodiments of the disclosure.

Furthermore, certain terminology has been used to describe embodiments of the invention. For example, "an embodiment" and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least some embodiments of the invention. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "some embodiments" or "an alternative embodiment" in various portions of this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined as suitable in one or more embodiments of the invention.

It should be appreciated that in the foregoing description of embodiments of the invention, to facilitate an understanding of one feature, the invention sometimes combines various features in a single embodiment, figure, or description thereof for the purpose of simplifying the invention. Alternatively, the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof. This is not to be construed, however, as requiring a combination of features that one of ordinary skill in the art would be able to extract as separate embodiments some of which would be readily apparent to those of ordinary skill in the art upon reading the present disclosure. That is, embodiments of the present invention may also be understood as an integration of several sub-embodiments. And the contents of each sub-embodiment are also valid when there are fewer than all features of a single foregoing disclosed embodiment.

In some embodiments, numbers expressing quantities or properties used to describe and claim certain embodiments of the invention are to be understood as being modified in certain instances by the term "about", "approximately" or "substantially". For example, "about," "approximately," or "substantially" may mean a 20% change in the soil of the values it describes, unless otherwise specified. Accordingly, in some embodiments, the numerical parameters set forth in the written description and attached claims are approximations that may vary depending upon the desired properties sought to be obtained by a particular embodiment. In some embodiments, numerical parameters should be construed in light of the number of reported significant digits and by applying ordinary rounding techniques. Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the embodiments of the invention are approximations, the numerical values set forth in the specific examples are reported as precisely as possible.

Each patent, patent application, publication of patent application, and other material, such as articles, books, specifications, publications, documents, articles, etc., cited herein is hereby incorporated by reference in its entirety for all purposes, except for any prosecution history associated therewith, any same prosecution history that may not be inconsistent or contradicted by this document, or any same prosecution history that may now or later have a limiting effect on the broadest scope of claims associated with this document. For example, if there is any inconsistency or conflict in the description, definition, and/or use of terms associated with any of the contained materials with respect to the terms, descriptions, definitions, and/or uses associated with this document, the terms in this document are used.

Finally, it should be understood that the embodiments of the application disclosed herein are illustrative of the principles of the embodiments of the present invention. Other modified embodiments are also within the scope of the present invention. Accordingly, the disclosed embodiments are to be considered in all respects as illustrative and not restrictive. Those skilled in the art can implement the invention of the present invention in alternative configurations according to the embodiments of the present invention. Thus, embodiments of the present invention are not limited to those embodiments described with accuracy in the application.

Claims (22)

1. An electric vehicle, characterized by comprising:

a vehicle body including a functional element;

a state detection circuit electrically connected to the functional element and configured to obtain a state signal of the functional element, wherein the functional element includes a charger, the state detection circuit includes a battery state detection circuit for detecting a voltage state of the charger; and

a state cue circuit electrically connected to the state detection circuit and configured to receive the state signal from the state detection circuit and output a cue signal based on the state signal.

2. The electric vehicle according to claim 1, characterized in that the battery state detection circuit includes:

a first input terminal for electrically connecting to the charger to receive a voltage signal from the charger;

a first resistor having a first end electrically connected to the first input terminal;

a first diode having a positive electrode electrically connected to a second end of the first resistor;

a second resistor, a first end of the second resistor being electrically connected to a cathode of the first diode;

a third resistor, a first end of the third resistor being electrically connected to a second end of the second resistor;

a fourth resistor, a first end of the fourth resistor being electrically connected to a second end of the third resistor, a second end of the fourth resistor being grounded;

a second diode, an anode of the second diode being connected to a second end of the second resistor;

a first fuse, a first end of the first fuse being connected to a cathode of the second diode; and

a first output terminal connected to a second end of the first fuse, the first output terminal for outputting a first status signal.

3. The electric vehicle according to claim 2, characterized in that the battery state detection circuit further includes:

a second input terminal for receiving a first control signal;

a fifth resistor having a first end electrically connected to the second input terminal;

a third diode, an anode of the third diode being electrically connected to the second end of the fifth resistor, a cathode of the third diode being electrically connected to the first end of the second resistor;

a third input terminal for receiving a second control signal;

a fourth diode having an anode electrically connected to the third input terminal and a cathode electrically connected to the first end of the second resistor;

a second output terminal for outputting a second state signal;

a sixth resistor, a first end of the sixth resistor being electrically connected to the second end of the first resistor, a second end of the sixth resistor being electrically connected to the second output terminal;

a seventh resistor, a first end of the seventh resistor being electrically connected to the second end of the first resistor, a second end of the seventh resistor being grounded;

a third output terminal for outputting a third state signal;

a first end of the eighth resistor is electrically connected to the second end of the fifth resistor, and a second end of the eighth resistor is electrically connected to the third output terminal;

a fourth output terminal for outputting a fourth state signal, the fourth output terminal being electrically connected to a cathode of the second diode,

a fourth input terminal electrically connected to a positive electrode of a battery of the electric vehicle to receive a voltage signal from the positive electrode of the battery;

a fifth diode, a cathode of the fifth diode being electrically connected to the second end of the third resistor, an anode of the fifth diode being grounded;

the source electrode of the MOS field effect transistor is grounded, and the grid electrode of the MOS field effect transistor is electrically connected to the second end of the third resistor;

a first triode, a collector of which is electrically connected to a first end of the first fuse, and an emitter of which is linked to the fourth input terminal;

a ninth resistor, a first end of which is electrically connected to the drain of the MOS field effect transistor, and a second end of which is electrically connected to the base of the first triode;

a tenth resistor, a first end of which is electrically connected to the drain of the MOS fet, and a second end of which is electrically connected to the base of the first transistor; and

a first terminal of the eleventh resistor is electrically connected to the base stage of the first transistor, and a second terminal of the eleventh resistor is electrically connected to the emitter stage of the first transistor.

4. The electric vehicle according to claim 3, characterized in that the battery state detection circuit further includes:

a first capacitor, a first end of the first capacitor is electrically connected to a first end of the fourth resistor, and a second end of the first capacitor is electrically connected to a second end of the fourth resistor;

a second capacitor, a first end of the second capacitor is electrically connected to the base of the first triode, and a second end of the second capacitor is electrically connected to the emitter of the first triode;

a third capacitor, a first end of the third capacitor is electrically connected to the emitter of the first triode, and a second end of the third capacitor is grounded; and

a fourth capacitor, a first end of the fourth capacitor is electrically connected to the collector stage of the first triode, and a second end of the fourth capacitor is grounded.

5. The electric vehicle according to claim 1, characterized in that the functional element further includes a motor, the state detection circuit further includes a voltage detection circuit for detecting a voltage state of the motor, the voltage detection circuit includes:

an operational amplifier;

a fifth input terminal for electrical connection to the motor to receive a voltage signal from the motor;

a fifth output terminal for outputting a fifth status signal;

a second fuse having a first end electrically connected to the fifth input terminal;

a third fuse, a first end of the third fuse being grounded;

a twelfth resistor, a first end of the twelfth resistor being electrically connected to the second end of the second fuse, a second end of the twelfth resistor being electrically connected to the positive input end of the operational amplifier;

a thirteenth resistor, a first end of the thirteenth resistor being electrically connected to the second end of the second fuse, a second end of the thirteenth resistor being electrically connected to the negative input end of the operational amplifier;

a fourteenth resistor, a first end of the fourteenth resistor being electrically connected to the negative input end of the operational amplifier, a second end of the fourteenth resistor being electrically connected to the output end of the operational amplifier;

a fifteenth resistor, a first end of the fifteenth resistor being electrically connected to the output end of the operational amplifier, a second end of the fifteenth resistor being electrically connected to the fifth output terminal;

a sixteenth resistor, a first end of the sixteenth resistor being electrically connected to the positive input end of the operational amplifier, a second end of the sixteenth resistor being electrically connected to a power supply potential;

a fifth capacitor, a first terminal of the fifth capacitor being electrically connected to the first terminal of the second fuse, a second terminal of the fifth capacitor being electrically connected to the first terminal of the third fuse; and

a sixth capacitor, a first terminal of the sixth capacitor being electrically connected to the first terminal of the twelfth resistor, and a second terminal of the sixth capacitor being electrically connected to the first terminal of the thirteenth resistor.

6. The electric vehicle according to claim 1, characterized in that the functional element further includes a battery, the state detection circuit further includes a voltage detection circuit for detecting a voltage state of the battery, the voltage detection circuit includes:

a sixth input terminal for electrical connection to the battery to receive a voltage signal from the battery;

a sixth output terminal for outputting a sixth status signal;

a seventeenth resistor having a first end electrically connected to the sixth input terminal;

an eighteenth resistor, a first end of the eighteenth resistor being electrically connected to a second end of the seventeenth resistor, a second end of the eighteenth resistor being electrically connected to the sixth output terminal;

a nineteenth resistor, a first end of the nineteenth resistor being electrically connected to a second end of the eighteenth resistor, a second end of the nineteenth resistor being grounded; and

a seventh capacitor, a first end of the seventh capacitor is electrically connected to the second end of the eighteenth resistor, and a second end of the seventh capacitor is grounded.

7. The electric vehicle according to claim 1, characterized in that the functional element further includes a motor, the state detection circuit further includes a temperature detection circuit for detecting a temperature state of the motor, the temperature detection circuit includes:

a thermistor arranged inside a motor of the electric vehicle to exhibit a different resistance value according to a temperature inside the motor, a first end of the thermistor being grounded;

a seventh output terminal for outputting a seventh status signal;

a twentieth resistor, a first end of the twentieth resistor being electrically connected to the second end of the thermistor, a second end of the twentieth resistor being electrically connected to the seventh output terminal;

a twenty-first resistor, a first end of the twenty-first resistor being electrically connected to a second end of the twentieth resistor, a second end of the twenty-first resistor being electrically connected to a power supply potential; and

a first end of the eighth capacitor is electrically connected to the second end of the twentieth resistor, and a second end of the eighth capacitor is grounded.

8. The electric vehicle of claim 1, characterized in that the status prompt circuit comprises:

a second triode, the emission set of which is grounded;

a seventh input terminal for electrical connection to the state detection circuit to receive a state signal from the state detection circuit;

a twenty-second resistor, a first end of the twenty-second resistor being electrically connected to the seventh input terminal, a first end of the twenty-second resistor being electrically connected to a base of the second transistor;

a twenty-third resistor, a first terminal of the twenty-third resistor being electrically connected to the collector of the second transistor;

a twenty-fourth resistor, a first terminal of the twenty-fourth resistor being electrically connected to a first terminal of the twenty-second resistor, a second terminal of the twenty-fourth resistor being electrically connected to a power supply potential; and

and a first end of the state prompting lamp is electrically connected to a second end of the twenty-fourth resistor, a second end of the state prompting lamp is electrically connected to a power supply potential, and the state prompting lamp is used for sending the prompting signal.

9. The electric vehicle of claim 8, characterized in that the status indicator light is a U-shaped LED.

10. The electric vehicle of claim 8, characterized in that the vehicle body comprises a goose head on which the status indicator light is mounted.

11. An electric vehicle, characterized by comprising:

a controller;

the detection assembly is connected to the controller and a functional element of the electric vehicle, and is used for detecting a fault signal of the functional element under the control of the controller, and transmitting the fault signal to the controller after detecting the fault signal; and

and the prompting device is connected to the controller and used for prompting according to the fault signal.

12. The electric vehicle of claim 11, characterized in that the functional element comprises a charger, the detection assembly comprises a battery status detection circuit comprising:

a first input terminal for electrically connecting to a charger of the electric vehicle to receive a voltage signal from the charger;

a first resistor having a first end electrically connected to the first input terminal;

a first diode having a positive electrode electrically connected to a second end of the first resistor;

a second resistor, a first end of the second resistor being electrically connected to a cathode of the first diode;

a third resistor, a first end of the third resistor being electrically connected to a second end of the second resistor;

a fourth resistor, a first end of the fourth resistor being electrically connected to a second end of the third resistor, a second end of the fourth resistor being grounded;

a second diode, an anode of the second diode being connected to a second end of the second resistor;

a first fuse, a first end of the first fuse being connected to a cathode of the second diode; and

a first output terminal connected to a second end of the first fuse, the first output terminal for outputting the fault signal.

13. The electric vehicle of claim 11, characterized in that the functional element comprises an electric motor, the detection assembly comprises a voltage detection circuit comprising:

an operational amplifier;

a fifth input terminal for electrical connection to the motor to receive a voltage signal from the motor;

a fifth output terminal for outputting the fault signal;

a second fuse having a first end electrically connected to the fifth input terminal;

a third fuse, a first end of the third fuse being grounded;

a twelfth resistor, a first end of the twelfth resistor being electrically connected to the second end of the second fuse, a second end of the twelfth resistor being electrically connected to the positive input end of the operational amplifier;

a thirteenth resistor, a first end of the thirteenth resistor being electrically connected to the second end of the second fuse, a second end of the thirteenth resistor being electrically connected to the negative input end of the operational amplifier;

a fourteenth resistor, a first end of the fourteenth resistor being electrically connected to the negative input end of the operational amplifier, a second end of the fourteenth resistor being electrically connected to the output end of the operational amplifier;

a fifteenth resistor, a first end of the fifteenth resistor being electrically connected to the output end of the operational amplifier, a second end of the fifteenth resistor being electrically connected to the fifth output terminal;

a sixteenth resistor, a first end of the sixteenth resistor being electrically connected to the positive input end of the operational amplifier, a second end of the sixteenth resistor being electrically connected to a power supply potential;

a fifth capacitor, a first terminal of the fifth capacitor being electrically connected to the first terminal of the second fuse, a second terminal of the fifth capacitor being electrically connected to the first terminal of the third fuse; and

a sixth capacitor, a first terminal of the sixth capacitor being electrically connected to the first terminal of the twelfth resistor, and a second terminal of the sixth capacitor being electrically connected to the first terminal of the thirteenth resistor.

14. The electric vehicle of claim 11, characterized in that the functional element comprises a battery, the detection assembly comprises a voltage detection circuit comprising:

a sixth input terminal for electrical connection to the battery to receive a voltage signal from the battery;

a sixth output terminal for outputting the fault signal;

a seventeenth resistor having a first end electrically connected to the sixth input terminal;

an eighteenth resistor, a first end of the eighteenth resistor being electrically connected to a second end of the seventeenth resistor, a second end of the eighteenth resistor being electrically connected to the sixth output terminal;

a nineteenth resistor, a first end of the nineteenth resistor being electrically connected to a second end of the eighteenth resistor, a second end of the nineteenth resistor being grounded; and

a seventh capacitor, a first end of the seventh capacitor is electrically connected to the second end of the eighteenth resistor, and a second end of the seventh capacitor is grounded.

15. The electric vehicle of claim 11, characterized in that the detection component comprises a temperature detection circuit comprising:

a thermistor arranged inside a motor of the electric vehicle to exhibit a different resistance value according to a temperature inside the motor, a first end of the thermistor being grounded;

a seventh output terminal for outputting the fault signal;

a twentieth resistor, a first end of the twentieth resistor being electrically connected to the second end of the thermistor, a second end of the twentieth resistor being electrically connected to the seventh output terminal;

a twenty-first resistor, a first end of the twenty-first resistor being electrically connected to a second end of the twentieth resistor, a second end of the twenty-first resistor being electrically connected to a power supply potential; and

a first end of the eighth capacitor is electrically connected to the second end of the twentieth resistor, and a second end of the eighth capacitor is grounded.

16. The electric vehicle according to claim 11, characterized in that the prompting device includes a status prompting circuit including:

a second triode, the emission set of which is grounded;

a seventh input terminal for electrical connection to the controller to receive a fault signal from the controller;

a twenty-second resistor, a first end of the twenty-second resistor being electrically connected to the seventh input terminal, a first end of the twenty-second resistor being electrically connected to a base of the second transistor;

a twenty-third resistor, a first terminal of the twenty-third resistor being electrically connected to the collector of the second transistor;

a twenty-fourth resistor, a first terminal of the twenty-fourth resistor being electrically connected to a first terminal of the twenty-second resistor, a second terminal of the twenty-fourth resistor being electrically connected to a power supply potential; and

and a first end of the state prompting lamp is electrically connected to a second end of the twenty-fourth resistor, a second end of the state prompting lamp is electrically connected to a power supply potential, and the state prompting lamp is used for making the prompt.

17. An electric vehicle, characterized by comprising:

a controller connected to a functional element of the electric vehicle and configured to detect a fault signal of the functional element; and

and the prompting device is connected to the controller and used for prompting according to the fault signal.

18. The electric vehicle of claim 17, characterized in that the functional element comprises a charger, the controller comprises a battery state detection circuit comprising:

a first input terminal for electrically connecting to a charger of the electric vehicle to receive a voltage signal from the charger;

a first resistor having a first end electrically connected to the first input terminal;

a first diode having a positive electrode electrically connected to a second end of the first resistor;

a second resistor, a first end of the second resistor being electrically connected to a cathode of the first diode;

a third resistor, a first end of the third resistor being electrically connected to a second end of the second resistor;

a fourth resistor, a first end of the fourth resistor being electrically connected to a second end of the third resistor, a second end of the fourth resistor being grounded;

a second diode, an anode of the second diode being connected to a second end of the second resistor;

a first fuse, a first end of the first fuse being connected to a cathode of the second diode; and

a first output terminal connected to a second end of the first fuse, the first output terminal for outputting the fault signal.

19. The electric vehicle of claim 17, characterized in that the functional element comprises an electric motor, the controller comprises a voltage detection circuit comprising:

an operational amplifier;

a fifth input terminal for electrical connection to the motor to receive a voltage signal from the motor;

a fifth output terminal for outputting the fault signal;

a second fuse having a first end electrically connected to the fifth input terminal;

a third fuse, a first end of the third fuse being grounded;

a twelfth resistor, a first end of the twelfth resistor being electrically connected to the second end of the second fuse, a second end of the twelfth resistor being electrically connected to the positive input end of the operational amplifier;

a thirteenth resistor, a first end of the thirteenth resistor being electrically connected to the second end of the second fuse, a second end of the thirteenth resistor being electrically connected to the negative input end of the operational amplifier;

a fourteenth resistor, a first end of the fourteenth resistor being electrically connected to the negative input end of the operational amplifier, a second end of the fourteenth resistor being electrically connected to the output end of the operational amplifier;

a fifteenth resistor, a first end of the fifteenth resistor being electrically connected to the output end of the operational amplifier, a second end of the fifteenth resistor being electrically connected to the fifth output terminal;

a sixteenth resistor, a first end of the sixteenth resistor being electrically connected to the positive input end of the operational amplifier, a second end of the sixteenth resistor being electrically connected to a power supply potential;

a fifth capacitor, a first terminal of the fifth capacitor being electrically connected to the first terminal of the second fuse, a second terminal of the fifth capacitor being electrically connected to the first terminal of the third fuse; and

a sixth capacitor, a first terminal of the sixth capacitor being electrically connected to the first terminal of the twelfth resistor, and a second terminal of the sixth capacitor being electrically connected to the first terminal of the thirteenth resistor.

20. The electric vehicle of claim 17, characterized in that the functional element comprises a battery, the controller comprises a voltage detection circuit comprising:

a sixth input terminal for electrical connection to the battery to receive a voltage signal from the battery;

a sixth output terminal for outputting the fault signal;

a seventeenth resistor having a first end electrically connected to the sixth input terminal;

an eighteenth resistor, a first end of the eighteenth resistor being electrically connected to a second end of the seventeenth resistor, a second end of the eighteenth resistor being electrically connected to the sixth output terminal;

a nineteenth resistor, a first end of the nineteenth resistor being electrically connected to a second end of the eighteenth resistor, a second end of the nineteenth resistor being grounded; and

a seventh capacitor, a first end of the seventh capacitor is electrically connected to the second end of the eighteenth resistor, and a second end of the seventh capacitor is grounded.

21. The electric vehicle of claim 17, characterized in that the controller comprises a temperature detection circuit comprising:

a thermistor arranged inside a motor of the electric vehicle to exhibit a different resistance value according to a temperature inside the motor, a first end of the thermistor being grounded;

a seventh output terminal for outputting the fault signal;

a twentieth resistor, a first end of the twentieth resistor being electrically connected to the second end of the thermistor, a second end of the twentieth resistor being electrically connected to the seventh output terminal;

a twenty-first resistor, a first end of the twenty-first resistor being electrically connected to a second end of the twentieth resistor, a second end of the twenty-first resistor being electrically connected to a power supply potential; and

a first end of the eighth capacitor is electrically connected to the second end of the twentieth resistor, and a second end of the eighth capacitor is grounded.

22. The electric vehicle of claim 17, characterized in that the prompting device comprises a status prompting circuit comprising:

a second triode, the emission set of which is grounded;

a seventh input terminal for electrical connection to the controller to receive a fault signal from the controller;

a twenty-second resistor, a first end of the twenty-second resistor being electrically connected to the seventh input terminal, a first end of the twenty-second resistor being electrically connected to a base of the second transistor;

a twenty-third resistor, a first terminal of the twenty-third resistor being electrically connected to the collector of the second transistor;

a twenty-fourth resistor, a first terminal of the twenty-fourth resistor being electrically connected to a first terminal of the twenty-second resistor, a second terminal of the twenty-fourth resistor being electrically connected to a power supply potential; and

and a first end of the state prompting lamp is electrically connected to a second end of the twenty-fourth resistor, a second end of the state prompting lamp is electrically connected to a power supply potential, and the state prompting lamp is used for sending the prompt.

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