Electric control faucet lock circuit of electric vehicle
By adding a second master control module to the electric steering lock to communicate with the vehicle status, a dual closed-loop process is achieved, which solves the problem of insufficient interaction between the electric steering lock and the vehicle status in the existing technology, and improves the safety and anti-theft performance of electric vehicles.
Patent Information
- Application Number
- CN202423296921.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing electronic steering locks lack interactive communication with the vehicle's status, which poses a potential safety hazard.
An electric vehicle electronic control steering wheel lock circuit was designed. By adding a second main control module to communicate with the vehicle status, a dual closed-loop process is realized, achieving state interlocking between the lock plate and the vehicle.
Vehicle security is improved by enhancing the anti-theft performance of the electronic steering lock through dual-core interlock control.
Smart Images
Figure CN223751016U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of electric control tap lock, and particularly relates to an electric vehicle electric control tap lock circuit. BACKGROUND
[0002] In current traffic travel, electric two-wheeled vehicles are favored by many people because of their convenience. However, the electric vehicle is stolen from time to time, which makes the correct use of the tap lock particularly important. The tap lock is to lock the steering mechanism of the electric vehicle, so that the vehicle head cannot be turned, thereby increasing the difficulty of theft. However, if it cannot be locked correctly, the anti-theft effect of the tap lock will be greatly reduced.
[0003] The current electric control tap lock only has a single loop process of tap lock control panel and lock tongue position feedback, that is, the tap lock self-closing loop, the design loop is simple, and the scheme lacks interactive communication with the whole vehicle, that is, the tap lock control panel lacks information acquisition on the current driving state of the whole vehicle, which exists a hidden danger of safe driving. CONTENT OF THE UTILITY MODEL
[0004] Therefore, the application aims to provide an electric vehicle electric control tap lock circuit to solve the above technical problems.
[0005] To achieve the above purpose, the technical scheme of the application is as follows:
[0006] The application provides an electric vehicle electric control tap lock circuit, which comprises:
[0007] a first main control module, a second main control module, a voltage stabilizing module, a communication module, a power on-off control module, a motor driving module and a lock tongue position sensor;
[0008] The first main control module and the second main control module are communicatively interconnected through the communication module, the voltage stabilizing module is connected with the first main control module, the second main control module and the motor driving module through the power on-off control module, the voltage stabilizing module is used to provide power supply for each module, and the motor driving module is used to drive the motor to work.
[0009] The power on-off control module comprises a switch unit and a power output unit connected with the switch unit, the switch unit is connected with the first main control module and the second main control module, and the power output unit is connected with the voltage stabilizing module and the motor driving module.
[0010] The first main control module is connected with the lock tongue position sensor, and the lock tongue position sensor is used to detect the position of the lock tongue mechanical structure.
[0011] Further, the power output module comprises a power output circuit composed of a first switch tube and a second switch tube, a first end of the first switch tube is connected with the switch unit and the 5V power supply end through a first resistor respectively, a second end of the first switch tube is connected with a Vin pin of the voltage stabilizing module and a third end of the second switch tube through a second resistor respectively, a third end of the first switch tube is grounded, a second end of the second switch tube is grounded through a first capacitor and a second capacitor connected in parallel, and the second end of the second switch tube is also connected with a first end of the motor driving module;
[0012] A first end of the second switch tube is connected with a second end of the first switch tube through a third resistor.
[0013] Further, the switch unit comprises a first diode and a second diode, a cathode of the first diode is connected with a fourth pin of the first master control module, and a cathode of the second diode is connected with a fifth pin of the second master control module.
[0014] An anode of the first diode and the second diode is connected to a line between the first switch tube and the first resistor.
[0015] Further, the first switch tube is a first triode, the first triode is an NPN type triode, a base of the first triode is connected with an anode of the first diode and the second diode and the first resistor, a collector of the first triode is connected with the second resistor and the third resistor respectively, and an emitter of the first triode is grounded.
[0016] Further, the second switch tube is a second triode, the second triode is a PNP type triode, a base of the second triode is connected with the third resistor, a collector of the second triode is connected with the first capacitor, the second capacitor and the motor driving module respectively.
[0017] An emitter of the second triode is connected with the Vin pin of the voltage stabilizing module.
[0018] Further, a third pin of the first master control module is connected with a sixth pin of the second master control module.
[0019] Further, the communication module comprises a communication interface circuit composed of a third switch tube and a fourth switch tube, a first end of the third switch tube is connected with a sixth pin of the first main control module through a fourth resistor, a second end of the third switch tube is connected with a 5V power supply end through a fifth resistor and connected with a first end of the fourth switch tube through a sixth resistor, the first end of the fourth switch tube is also connected with ground through a seventh resistor and a third capacitor connected in parallel, a second end of the fourth switch tube is connected with a seventh pin of the first main control module, the second end of the fourth switch tube is connected with the 5V power supply end through an eighth resistor, and third ends of the third switch tube and the fourth switch tube are all connected with ground through a fourth capacitor;
[0020] The third ends of the third switch tube and the fourth switch tube are connected with a pin connector through a fourth capacitor, and the other end of the pin connector is connected with a seventh pin of the second main control module;
[0021] The second pin and the third pin of the second main control module are respectively connected with a fifth pin and an eighth pin of the motor drive module.
[0022] Further, the third switch tube is a third triode, the third triode is an NPN type triode, a base of the third triode is connected with the fourth resistor, a collector of the third triode is connected with the fifth resistor, and an emitter of the third triode is connected with ground.
[0023] Further, the fourth switch tube is a fourth triode, the fourth triode is an NPN type triode, a base of the fourth triode is connected with the sixth resistor, a collector of the fourth triode is connected with the eighth resistor and the seventh pin of the first main control module, and an emitter of the fourth triode is connected with ground.
[0024] Further, the pin connector is also connected with a 12V power supply and ground respectively.
[0025] Compared with the prior art, the electric control faucet lock circuit of the electric vehicle has the following beneficial effects:
[0026] The electric control faucet lock circuit of the electric vehicle can realize a "double closed loop process", that is, compared with the above electric control system, the state communication between the lock plate and the whole vehicle is added, so that the purpose of double core interlocking safety control is realized, and the vehicle safety is effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0027] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated herein for explanation by reference. In the drawings:
[0028] Figure 1A circuit diagram of an electric control faucet lock of an electric vehicle is provided in the embodiments of the present application. DETAILED DESCRIPTION
[0029] For the purpose, technical solutions and advantages of the present application to be more clearly and obviously, the present application is further described in detail below with specific embodiments and with reference to the drawings.
[0030] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present application should be understood as the common meanings understood by those skilled in the art to which the embodiments of the present application belong. The terms "first", "second" and similar terms used in the embodiments of the present application do not represent any order, number or importance, but are only used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects before the terms encompass the elements or objects listed after the terms and their equivalents, and do not exclude other elements or objects. The terms "connect" or "connected" and similar terms do not mean physical or mechanical connection, but can mean logical or electrical connection, which includes electrical connection, whether direct or indirect.
[0031] "Up", "down", "left", "right" and the like are only used to represent relative positional relationships, and when the absolute positions of the described objects are changed, the relative positional relationships may also be changed accordingly.
[0032] Please refer to Figure 1 The embodiments provide an electric control faucet lock circuit of an electric vehicle, which comprises:
[0033] a first master control module MCU1, a second master control module MCU2, a voltage stabilizing module U1, a communication module, a power on-off control module, a motor driving module U3 and a lock tongue position sensor.
[0034] The first master control module MCU1 and the second master control module MCU2 establish communication interlocking through the communication module, the voltage stabilizing module U1 is connected with the first master control module MCU1, the second master control module MCU2 and the motor driving module U2 through the power on-off control module, the voltage stabilizing module U1 is used to provide power supply for each module, and the motor driving module U2 is used to drive the motor to work.
[0035] The power on-off control module comprises a switching unit and a power output unit connected with the switching unit, the switching unit is connected with the first master control module and the second master control module respectively, and the power output unit is connected with the voltage stabilizing module U1 and the motor driving module U2 respectively.
[0036] The first master control module MCU1 is connected with the lock tongue position sensor, and the lock tongue position sensor is used to detect the position of the lock tongue mechanical structure.
[0037] Specifically, in the embodiment, the scheme adds "MCU2" on the faucet lock control panel to complete interlocking with "MCU1", wherein MCU1 is responsible for Hall (HAL1548) position detection and communication with the host (control command issuing end), MCU2 is responsible for detecting the vehicle state (ZJXH pin receiving the vehicle one-wire pass) and motor drive signal control, and the two MCUs are connected through the "CORRECT_OUT" port; the flow realizes a "double closed loop process", that is, the state communication between the lock plate and the vehicle is added to the above electronic control system.
[0038] The power supply of the motor drive module is connected with the 12V power supply through the power supply data module, and the power conversion module is connected with two MCUs: 60E21 (left) Pin4 and 60E21 (right) Pin5 through the switch module, so as to achieve the purpose of interlocking control of the motor drive enable of the two MCUs, that is, when the two pins are high at the same time, 12V power supply can reach the motor drive module, and the motor cannot be driven when any one MCU is low, so as to realize the purpose of double-core interlocking safety control.
[0039] The electric vehicle electronic control faucet lock circuit described in the embodiment can realize a "double closed loop process", that is, the state communication between the lock plate and the vehicle is added to the above electronic control system, so as to realize the purpose of double-core interlocking safety control and effectively improve the safety of the vehicle.
[0040] In some embodiments, the power output module includes a power output circuit composed of a first switch tube Q1 (NPN type triode) and a second switch tube Q2 (PNP type triode), the base of the first switch tube Q1 is connected with one of the switches and connected with the 5V power supply end through the first resistor R1, the collector of the first switch tube Q1 is connected with the Vin pin of the voltage stabilizing module U1 and the emitter of the second switch tube Q2 through the second resistor R2, the emitter of the first switch tube Q1 is grounded, the collector of the second switch tube Q2 is grounded through the first capacitor C1 and the second capacitor C2 connected in parallel, and the collector of the second switch tube Q2 is also connected with the first end of the motor drive module U2;
[0041] The base of the second switch tube Q2 is connected with the collector of the first switch tube Q1 through the third resistor R3;
[0042] The switch unit includes a first diode D1 and a second diode D2, the cathode of the first diode D1 is connected with the fourth pin of the first main control module MCU1, and the cathode of the second diode D2 is connected with the fifth pin of the second main control module MCU2;
[0043] The anodes of the first diode D1 and the second diode D2 are connected to the circuit between the first switch tube Q1 and the first resistor R1.
[0044] Specifically, in the present embodiment, the system is powered: the voltage stabilizing chip "78105" provides power supply for the system, which converts 12V into 5V required by the two MCUs; wherein, the "power supply 12V" also serves as the power supply for the motor driving chip "MX6208" to drive the motor L1; the power supply of MX6208 is connected with the 12V power supply through the cooperation of the transistor and the resistance-capacitance, the base of the front-stage transistor is connected with Pin4 of 60E21 (left) and Pin5 of 60E21 (right) through two diodes, so as to achieve the purpose of mutual locking control of the motor driver by the two MCUs, that is, when the two pins are both high level, the 12V power supply can reach the motor driver, and the motor cannot be driven when any one of the two MCUs is low.
[0045] When Pin-4 of MCU1 (i.e. 60E21 on the left) and Pin-5 of MCU2 (60E21 on the right) are both 1, the "power supply 12V" can be output to the motor driver MX6208 through the circuit composed of two transistors to drive the motor to work.
[0046] When any one of the above two ports is 0, the "power supply 12V" will not flow to MX6208, thereby achieving the purpose of double-core mutual locking safety control.
[0047] In some embodiments, the communication module includes a communication interface circuit composed of a third switch tube Q3 (NPN type transistor) and a fourth switch tube Q4 (NPN type transistor), the base of the third switch tube Q3 is connected with the sixth pin of the first main control module MCU1 through the fourth resistor R4, the collector of the third switch tube Q3 is connected with the 5V power supply end through the fifth resistor R5 and the base of the fourth switch tube Q4 through the sixth resistor R6, the base of the fourth switch tube Q4 is also grounded through the parallelly connected seventh resistor R7 and third capacitor C3, the collector of the fourth switch tube Q4 is connected with the seventh pin of the first main control module MCU1, the collector of the fourth switch tube Q4 is connected with the 5V power supply end through the eighth resistor R8, and the emitters of the third switch tube Q3 and the fourth switch tube Q4 are both grounded.
[0048] The emitters of the third switch tube Q3 and the fourth switch tube Q4 are connected with the header connector Header 2X2 through the fourth capacitor C4, the other end of the header connector Header 2X2 is connected with the seventh pin of the second main control module MCU2, and the header connector Header 2X2 is connected with the 12V power supply and the ground respectively.
[0049] The second pin and the third pin of the second main control module MCU2 are respectively connected with the fifth pin and the eighth pin of the motor driving module U2.
[0050] Specifically, in the embodiment, the communication module is a master-slave communication interface circuit, and supports voltage switching between 5V and 0V.
[0051] Data flow direction: the data sent by the local machine is output from the local machine to the KZQXH signal line through DA_OUT; the data received by the local machine is transmitted to the DA_IN interface through the KZQXH signal line and the on and off of the transistor.
[0052] The working principle of the interface circuit is as follows:
[0053] Output: when DA_OUT is "1", the left NPN transistor C-E is turned on, at this time, KZQXH and the C of the left NPN transistor are both 0, that is, the input and output are in opposite phase; otherwise, it is 1, and the data flow is realized through the above process.
[0054] Input: when KZQXH is "1", the C-E of the right NPN transistor is turned on, and DA_IN is 0; otherwise, it is 1; the data flow is realized through the above process.
[0055] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that: they can still modify the technical solutions recorded in the above embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should be covered in the scope of the claims and the specification of the utility model.
[0056] The embodiments of the present application are intended to cover all such replacements, modifications and variations falling within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present application should be included in the protection scope of the present application.
Claims
1. An electrically controlled faucet lock circuit for an electric vehicle, comprising: The circuit comprises a first main control module, a second main control module, a voltage stabilizing module, a communication module, a power on-off control module, a motor driving module and a lock tongue position sensor. The first main control module and the second main control module are connected through the communication module to establish communication interlocking, the voltage stabilizing module is connected with the first main control module, the second main control module and the motor driving module through the power on-off control module, the voltage stabilizing module is used to provide power supply for each module, and the motor driving module is used to drive the motor to work. The power on-off control module comprises a switch unit and a power output unit connected with the switch unit, the switch unit is connected with the first main control module and the second main control module, and the power output unit is connected with the voltage stabilizing module and the motor driving module. The first main control module is connected with the lock tongue position sensor, and the lock tongue position sensor is used to detect the position of the lock tongue mechanical structure.
2. The circuit according to claim 1, wherein the power output unit comprises a power output circuit composed of a first switch tube and a second switch tube, a first end of the first switch tube is connected with the switch unit and connected with a 5V power supply through a first resistor, a second end of the first switch tube is connected with a Vin pin of the voltage stabilizing module and a third end of the second switch tube through a second resistor, a third end of the first switch tube is grounded, a second end of the second switch tube is grounded through a first capacitor and a second capacitor connected in parallel, and the second end of the second switch tube is also connected with a first end of the motor driving module. A first end of the second switch tube is connected with a second end of the first switch tube through a third resistor.
3. The circuit according to claim 2, wherein the switch unit comprises a first diode and a second diode, a cathode of the first diode is connected with a fourth pin of the first main control module, and a cathode of the second diode is connected with a fifth pin of the second main control module. Anodes of the first diode and the second diode are connected to a line between the first switch tube and the first resistor.
4. The circuit according to claim 3, wherein the first switch tube is a first triode, the first triode is an NPN type triode, a base of the first triode is connected with the first resistor, anodes of the first diode and the second diode, a collector of the first triode is connected with the second resistor and the third resistor, and an emitter of the first triode is grounded.
5. The circuit according to claim 3, wherein the second switch tube is a second triode, the second triode is a PNP type triode, a base of the second triode is connected with the third resistor, a collector of the second triode is connected with the first capacitor, the second capacitor and the motor driving module, and an emitter of the second triode is connected with the Vin pin of the voltage stabilizing module. 6. The electric control faucet lock circuit of an electric vehicle according to claim 1, characterized in that: the third pin of the first master module is connected with the sixth pin of the second master module.
7. The electric control faucet lock circuit of an electric vehicle according to claim 1, characterized in that: the communication module comprises a communication interface circuit composed of a third switch tube and a fourth switch tube, the first end of the third switch tube is connected with the sixth pin of the first master module through a fourth resistor, the second end of the third switch tube is respectively connected with a 5V power supply end through a fifth resistor and with the first end of the fourth switch tube through a sixth resistor, the first end of the fourth switch tube is also connected with ground through a parallelly connected seventh resistor and a third capacitor, the second end of the fourth switch tube is connected with the seventh pin of the first master module, the second end of the fourth switch tube is connected with a 5V power supply end through an eighth resistor, the third end of the third switch tube and the fourth switch tube are both grounded; the third end of the third switch tube and the fourth switch tube is connected with a pin connector through a fourth capacitor, the other end of the pin connector is connected with the seventh pin of the second master module; the second pin and the third pin of the second master module are respectively connected with the fifth pin and the eighth pin of the motor drive module.
8. The electric control faucet lock circuit of an electric vehicle according to claim 7, characterized in that: the third switch tube is a third triode, the third triode is an NPN type triode, the base of the third triode is connected with the fourth resistor, the collector of the third triode is connected with the fifth resistor, and the emitter of the third triode is grounded.
9. The electric control faucet lock circuit of an electric vehicle according to claim 7, characterized in that: the fourth switch tube is a fourth triode, the fourth triode is an NPN type triode, the base of the fourth triode is connected with the sixth resistor, the collector of the fourth triode is respectively connected with the eighth resistor and the seventh pin of the first master module, and the emitter of the fourth triode is grounded.
10. The electric control faucet lock circuit of an electric vehicle according to claim 7, characterized in that: the pin connector is also respectively connected with a 12V power supply and ground.