Safety brake system of electric vehicle and electric vehicle

Abstract

The utility model provides a safety braking system of an electric vehicle and the electric vehicle. The safety braking system comprises a controller, a tail lamp, a Hall sensor, a motor and a brake handle. A controller ground of the controller is connected with the brake handle, a control end of the controller is connected with the tail lamp, the controller is connected with the Hall sensor, and the Hall sensor is connected with the motor; the Hall sensor is used for collecting rotating speed of the motor; the controller is used for braking under the condition that the brake handle is closed to generate a brake signal; when the rotating speed of the motor is reduced, a high level is output through the control end, so that the tail lamp is lightened according to the brightness of the brake lamp; when the rotating speed of the motor is decreased to exceed a set value, a square signal is output through the control end, so that the tail lamp flickers according to the brightness of the brake lamp; when the brake handle is closed to generate the brake signal, the controller performs braking and outputs the corresponding signal to control the tail lamp, so that rear-end collision is prevented, and the driving safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric motor car technical field especially is related to electric motor car's safety brake system and electric motor car. BACKGROUND

[0002] At present, two-wheel / three-wheel electric motor car on the market due to its electric drive characteristics, when braking also has electrical braking function. Electric motor car's braking contains electrical braking and mechanical braking. If the current electric motor car emergency braking, the brake intensity is bigger, the following electric motor car can only see the current electric motor car brake light, and cannot identify the emergency braking, so it is easy to rear-end, thereby causing traffic accidents. SUMMARY

[0003] Therefore, the utility model discloses the purpose at to provide electric motor car's safety brake system and electric motor car, when brake handle closure generates brake signal, controller brake, and export corresponding signal control tail light, thereby preventing rear-end, improve driving safety.

[0004] Firstly, the utility model embodiment provides electric motor car's safety brake system, the system includes: controller, tail light, hall sensor, motor and brake handle;

[0005] The controller ground of the controller connects the brake handle, and the control end of the controller connects the tail light, and the hall sensor is connected with the controller, and the hall sensor is connected with the motor;

[0006] The hall sensor is used to collect the rotating speed of the motor;

[0007] The controller is used to brake when the brake handle closure generates brake signal, and when the rotating speed of the motor reduces, exports high level through the control end, and makes the tail light brighten with the brightness of brake light;

[0008] When the speed of the rotating speed of the motor falls exceeds the set value, exports square wave signal through the control end, and makes the tail light blink with the brightness of brake light.

[0009] Further, the system further includes headlamp switch, the pin 1 of the tail light is connected with the control end, the pin 2 of the tail light is connected with one end of the headlamp switch, the pin 3 of the tail light is connected with the other end of the headlamp switch, and the pin 4 of the tail light is grounded.

[0010] Further, the system further includes battery pack;When the headlamp switch is closed, the anode of the battery pack is connected to the anode of the tail light, and the tail light is turned on.

[0011] Further, the tail light comprises a light-emitting diode array, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a triode Q1 and a triode Q2.

[0012] Further, an anode of the light-emitting diode array is connected with an ACC end of the controller, and a cathode of the light-emitting diode array is connected with one end of the resistor R1.

[0013] One end of the resistor R3 is connected with the control end, and the other end of the resistor R3 is connected with a base of the triode Q1, an emitter of the triode Q1 is grounded, and a collector of the triode Q1 is connected with the other end of the resistor R1 and one end of the resistor R2 respectively.

[0014] One end of the resistor R4 is connected with a headlight switch, and the other end of the resistor R4 is connected with a base of the triode Q2, an emitter of the triode Q2 is grounded, and a collector of the triode Q2 is connected with the other end of the resistor R2.

[0015] Further, the Hall sensor comprises a Hall A, a Hall B and a Hall C.

[0016] Further, the system further comprises an electric door lock and a secondary circuit fuse, and the electric door lock is connected with the secondary circuit fuse.

[0017] Further, the system further comprises a main circuit fuse, and the main circuit fuse is connected with a battery pack.

[0018] Further, the system further comprises a charging fuse and a charging port, and the charging fuse is connected with the charging port.

[0019] In the second aspect, the utility model embodiment provides an electric vehicle, comprising the safety brake system of electric vehicle as described above.

[0020] The utility model embodiment provides an electric vehicle's safety brake system and electric vehicle, system includes controller, tail light, Hall sensor, motor and brake handle, controller ground of controller connects brake handle, control end of controller connects tail light, controller is connected with Hall sensor, Hall sensor is connected with motor, Hall sensor is used for gathering motor's rotating speed, controller is used for braking in the case where brake handle closure generates brake signal, when the rotating speed of motor reduces, through control end output high level, tail light is brightened with the brightness of brake light, when the speed of the rotating speed of motor falls exceeds setting value, through control end output square wave signal, tail light is twinkling with the brightness of brake light, when brake handle closure generates brake signal, controller brakes and exports corresponding signal control tail light, thereby prevent rear-end collision, improve driving safety.

[0021] The other features and advantages of the present application will be described in the following description, and are in part, apparent from the description or are learned through the practice of the present application. The purposes and other advantages of the present application are realized and obtained by the structure particularly pointed out in the description, claims, and drawings.

[0022] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0024] Figure 1 The safety brake system schematic diagram of the electric vehicle provided by the present application embodiment one is shown in the figure.

[0025] Figure 2 The safety brake system schematic diagram of another electric vehicle provided by the present application embodiment one is shown in the figure.

[0026] Figure 3 The tail lamp structure schematic diagram provided by the present application embodiment one is shown in the figure.

[0027] Icon:

[0028] 1- controller; 2- tail lamp; 3- hall sensor; 4- motor; 5- brake handle. DETAILED DESCRIPTION

[0029] In order to make the purposes, technical solutions and advantages of the present application embodiment more clear, the technical solutions of the present application will be described clearly and completely in the following with reference to the drawings. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] In order to facilitate the understanding of the present application, the present application embodiment will be described in detail.

[0031] Embodiment one:

[0032] Figure 1 The safety brake system schematic diagram of the electric vehicle provided by the present application embodiment one is shown in the figure.

[0033] Referring to Figure 1 , the system comprises: a controller 1, a tail light 2, a Hall sensor 3, a motor 4 and a brake handle 5;

[0034] The controller ground of the controller 1 is connected to the brake handle 5, the control end of the controller 1 is connected to the tail light 2, the controller 1 is connected to the Hall sensor 3, and the Hall sensor 3 is connected to the motor 4;

[0035] The Hall sensor 3 is used to collect the rotating speed of the motor 4;

[0036] The controller 1 is used to brake when the brake handle 5 is closed to generate a brake signal; when the rotating speed of the motor 4 decreases, a high level is output through the control end to make the tail light 2 light up with the brightness of the brake light;

[0037] When the speed of the rotating speed of the motor 4 decreases exceeds a set value, a square wave signal is output through the control end to make the tail light 2 flash with the brightness of the brake light.

[0038] Here, the speed of the rotating speed of the motor decreasing refers to the speed difference value in unit time. For example, the rotating speed of the motor is collected as 150 rpm, and the rotating speed of the motor decreases to 100 rpm, at this time, the speed difference value is 150-100=50 rpm.

[0039] Specifically, the prior art generally connects the controller ground to the tail light through pinching the brake to light up the tail light beads. In this way, the rear electric vehicle can only see the brake light of the current electric vehicle light up, and cannot identify the emergency braking, which is easy to cause rear-end collision. In the present application, the controller ground of the controller is connected to the brake handle, the control end of the controller is connected to the tail light, the controller is connected to the Hall sensor, and the Hall sensor is connected to the motor; in the case that the brake handle is closed to generate a brake signal, the controller brakes; when the rotating speed of the motor decreases, a high level (5V) is output through the control end to make the tail light light up with the brightness of the brake light; when the speed of the rotating speed of the motor decreases exceeds a set value, a square wave signal (5V) is output through the control end (CON) to make the tail light flash with the brightness of the brake light; and the faster the motor rotating speed decreases, the higher the frequency of the square wave signal, so as to realize the effect of emergency braking and flashing.

[0040] Further, referring to Figure 2 , the system further comprises a headlight switch, the pin 1 of the tail light is connected to the control end, the pin 2 of the tail light is connected to one end of the headlight switch, the pin 3 of the tail light is connected to the other end of the headlight switch, and the pin 4 of the tail light is grounded.

[0041] Further, the system further comprises a battery pack; when the headlight switch is closed, the positive electrode of the battery pack is connected to the positive electrode of the tail light, and the tail light is turned on.

[0042] Here, when the door lock is closed, the whole vehicle ACC is powered on, and the vehicle is started.

[0043] Further, referring to Figure 3 , the tail light comprises a light-emitting diode array, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a triode Q1 and a triode Q2.

[0044] An anode of the light-emitting diode array is connected with an ACC end of the controller, and a cathode of the light-emitting diode array is connected with one end of the resistor R1;

[0045] One end of the resistor R3 is connected with a control end, the other end of the resistor R3 is connected with a base of the triode Q1, an emitter of the triode Q1 is grounded, and a collector of the triode Q1 is connected with the other end of the resistor R1 and one end of the resistor R2 respectively;

[0046] One end of the resistor R4 is connected with a headlight switch, the other end of the resistor R4 is connected with a base of the triode Q2, an emitter of the triode Q2 is grounded, and a collector of the triode Q2 is connected with the other end of the resistor R2.

[0047] Further, the Hall sensor comprises a Hall A, a Hall B and a Hall C.

[0048] Further, the system further comprises: an electric door lock and a secondary circuit fuse, and the electric door lock and the secondary circuit fuse are connected.

[0049] Further, the system further comprises: a main circuit fuse, and the main circuit fuse is connected with the battery pack.

[0050] Further, the system further comprises: a charging fuse and a charging port, and the charging fuse and the charging port are connected.

[0051] The utility model embodiment provides electric motor car, including the safety brake system of electric motor car as described above.

[0052] The utility model embodiment provides electric motor car's safety brake system and electric motor car, system includes controller, tail light, Hall sensor, motor and brake handle, controller ground of controller connects brake handle, control end of controller connects tail light, controller is connected with Hall sensor, Hall sensor is connected with motor, Hall sensor is used for gathering motor's rotating speed, controller is used for braking in the case where brake handle is closed and generates brake signal, when the rotating speed of motor reduces, high level is outputted through control end, and tail light is brightened with the brightness of brake light, when the speed of the rotating speed of motor falls exceeds setting value, square wave signal is outputted through control end, and tail light is flickered with the brightness of brake light, when brake handle is closed and generates brake signal, controller brakes and outputs corresponding signal control tail light, so as to prevent rear-end collision and improve driving safety.

[0053] The computer program product provided by the embodiment of the utility model, including computer readable storage medium that has stored program code, the instruction that the program code includes can be used for executing the method described in the foregoing method embodiment, and the specific implementation can be referred to the method embodiment, and here is not repeated.

[0054] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described system and device can refer to the corresponding process in the foregoing method embodiment, and here is not repeated.

[0055] In addition, in the description of the embodiment of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrally connected, can be mechanically connected, can also be electrically connected, can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0056] If the function is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer readable storage medium.Based on such understanding, the technical scheme of the utility model essentially or the part that contributes to the prior art or part of the technical scheme can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a plurality of instructions for executing all or part of the steps of the method described in various embodiments of the utility model by a computer device (which can be a personal computer, a server, or a network device, etc.).The foregoing storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and various program code storage media.

[0057] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" is based on the orientation or position relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model.In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0058] Finally, it should be noted that the above-described embodiments are merely specific embodiments of the present application, which are used to illustrate the technical solutions of the present application, but not to limit the same, and the protection scope of the present application is not limited thereto. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can modify or easily think of changes to the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to some of the technical features within the technical range disclosed by the present application. The modifications, changes or replacements do not cause the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A safety braking system for an electric vehicle, characterized in that, The system includes: a controller, a taillight, a Hall sensor, a motor, and a brake lever; The controller ground is connected to the brake lever, the controller control terminal is connected to the taillight, the controller is connected to the Hall sensor, and the Hall sensor is connected to the motor; The Hall sensor is used to collect the rotational speed of the motor; The controller is used to brake when the brake lever is closed to generate a brake signal; when the speed of the motor decreases, the controller outputs a high level to make the taillight illuminate at the brightness of the brake light. When the speed of the motor decreases more than a set value, a square wave signal is output through the control terminal to make the taillight flash at the brightness of the brake light.

2. The safety braking system for electric vehicles according to claim 1, characterized in that, The system also includes a headlight switch, pin 1 of the taillight is connected to the control terminal, pin 2 of the taillight is connected to one end of the headlight switch, pin 3 of the taillight is connected to the other end of the headlight switch, and pin 4 of the taillight is grounded.

3. The safety braking system for electric vehicles according to claim 2, characterized in that, The system also includes a battery pack; when the headlight switch is closed, the positive terminal of the battery pack is connected to the positive terminal of the taillight, and the taillight is turned on.

4. The safety braking system for electric vehicles according to claim 1, characterized in that, The taillight includes an array of light-emitting diodes, resistors R1, R2, R3, and R4, transistors Q1 and Q2.

5. The safety braking system for electric vehicles according to claim 4, characterized in that, The anode of the LED array is connected to the ACC terminal of the controller, and the cathode of the LED array is connected to one end of the resistor R1. One end of the resistor R3 is connected to the control terminal, the other end of the resistor R3 is connected to the base of the transistor Q1, the emitter of the transistor Q1 is grounded, and the collector of the transistor Q1 is connected to the other end of the resistor R1 and one end of the resistor R2, respectively. One end of the resistor R4 is connected to the headlight switch, the other end of the resistor R4 is connected to the base of the transistor Q2, the emitter of the transistor Q2 is grounded, and the collector of the transistor Q2 is connected to the other end of the resistor R2.

6. The safety braking system for electric vehicles according to claim 1, characterized in that, The Hall sensor includes Hall A, Hall B, and Hall C.

7. The safety braking system for electric vehicles according to claim 1, characterized in that, The system also includes an ignition switch and a secondary circuit fuse, the ignition switch and the secondary circuit fuse being connected together.

8. The safety braking system for electric vehicles according to claim 1, characterized in that, The system also includes a main circuit fuse, which is connected to the battery pack.

9. The safety braking system for electric vehicles according to claim 1, characterized in that, The system also includes a charging fuse and a charging port, wherein the charging fuse and the charging port are connected.

10. An electric vehicle, characterized in that, Includes the safety braking system for electric vehicles as described in any one of claims 1 to 9.

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