Area controller, automobile and control method of area controller

Abstract

The invention belongs to the technical field of vehicle safety, and particularly relates to an area controller, an automobile and a control method of the area controller. Comprising the steps that an MCU and a storage battery form a loop, an energy storage module is connected with the MCU in parallel and then connected with an acquisition resistor in series, and the two ends of the acquisition resistor are further connected with a current acquisition port of the energy storage module; the energy storage module is used for receiving a collision signal and monitoring and collecting real-time current of a resistor, and after the current is reduced to 0 and the collision signal is received, the energy storage module enters a power supply mode and provides electric energy for the MCU; and the MCU is used for controlling a vehicle door motor to execute a door handle unlocking function under the power supply of the storage battery or the energy storage module. After the automobile low-voltage circuit is broken due to collision, the automobile door is locked, and people on the automobile door cannot escape at the first time. According to the invention, the energy storage module is added in the area controller, and other structures in the area controller are combined to control the vehicle door motor to unlock the door lock, so that people can escape emergently, and the safety performance is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of vehicle safety, and in particular relates to a zone controller, a vehicle and a control method of the zone controller. Background Art

[0002] As the number of cars increases, the insecurity of car driving is also increasing day by day, and collision accidents occur almost every day across the country.

[0003] After a car crashes, the doors often fail to unlock. It is necessary to ensure that the door unlocking function can still be achieved after the car crashes to solve the problem of personnel safety. Summary of the invention

[0004] The present invention aims at the deficiencies in the prior art and provides a zone controller, a vehicle and a control method for the zone controller.

[0005] The present invention is implemented through the following technical solution: a regional controller includes an MCU, an energy storage module and a collection resistor;

[0006] The MCU and the battery form a loop, the energy storage module is connected in parallel with the MCU and then in series with the collection resistor, and both ends of the collection resistor are also connected to the current collection port of the energy storage module;

[0007] The energy storage module is used to obtain and store electrical energy from the battery until a preset value is reached; and to receive a collision signal and monitor the real-time current of the acquisition resistor. After the current is reduced to 0 and a collision signal is received, the energy storage module enters a power supply mode to provide electrical energy for the MCU;

[0008] The MCU is used to control the door motor and execute the door handle unlocking function under the power supply of the battery or the energy storage module.

[0009] Further,

[0010] One MCU controls a plurality of door motors.

[0011] Further,

[0012] The two MCUs control the four door motors.

[0013] In a second aspect, the present invention further provides a car, comprising the above-mentioned zone controller.

[0014] Further,

[0015] More than two zone controllers adopt a parallel circuit structure and share a battery.

[0016] Further,

[0017] It also includes: an airbag controller; the airbag controller is used to generate and send a collision signal to the energy storage module when the car collides.

[0018] In a third aspect, the present invention further provides a control method for a zone controller, based on the above-mentioned zone controller using an MCU to control a door motor in real time.

[0019] Further,

[0020] When the energy storage module detects that current is passing through the collection resistor, it obtains electric energy from the battery and stores it until a preset value is reached.

[0021] Further,

[0022] When the above-mentioned automobile is hit by a collision, the airbag controller sends a collision signal to the energy storage module.

[0023] Further,

[0024] After monitoring that the current of the collection resistor is reduced to 0 and receiving a collision signal, the energy storage module enters a power supply mode to provide power to the MCU, and uses the MCU to control the door motor to execute a door handle unlocking function.

[0025] The technical solution of the present invention has the following advantages: the present invention adds an energy storage module in the regional controller to control the door motor to unlock the door lock after the low-voltage circuit of the whole vehicle is broken due to collision, so that people can escape urgently and the safety performance of the whole vehicle is increased.

[0026] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 A schematic diagram of the structure of a zone controller provided in a first embodiment of the present invention;

[0029] Description of reference numerals:

[0030] 1-MCU, 2-energy storage module, 3-collection resistor, 4-door motor, 5-zone controller, 6-airbag controller. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] The same reference numerals in the drawings represent the same or similar elements, components or parts, and thus the repeated description of the same or similar elements, components or parts may be omitted below. It should also be understood that although the first, second, third and other attributives representing the numbers may be used herein to describe various devices, elements, components or parts, these devices, elements, components or parts should not be limited by these attributives. In other words, these attributives are only used to distinguish one from another. For example, the first device may also be called the second device, but it does not deviate from the essential technical solution of the present invention. In addition, the terms "and / or" and "and / or" refer to all combinations including any one or more of the listed items.

[0033] like Figure 1 As shown, the present invention provides a regional controller 5, including MCU1 (micro control unit), energy storage module 2 and collection resistor 3. MCU1 and the battery form a loop, the energy storage module 2 is connected in parallel with MCU1, and then connected in series with the collection resistor 3, and the two ends of the collection resistor 3 are also connected to the current collection port of the energy storage module 2.

[0034] In this embodiment, the energy storage module 2 obtains and stores electrical energy from the battery until a preset value is reached.

[0035] In this embodiment, the energy storage module 2 receives the collision signal and monitors the real-time current of the acquisition resistor 3 , and enters the power supply mode after the current is reduced to 0 and the collision signal is received, to provide power to the MCU 1 and the door motor 4 .

[0036] In this embodiment, the MCU 1 controls the door motor 4 under the power supply of the battery or the energy storage module 2 to perform the door handle unlocking function.

[0037] In this embodiment, one MCU 1 can control a plurality of door motors 4 .

[0038] In this embodiment, preferably, two MCUs 1 can control four door motors 4 .

[0039] The present invention further provides a car, comprising a zone controller 5 .

[0040] In this embodiment, the battery is connected in parallel with the zone controller 5 , the airbag controller 6 is connected with the zone controller 5 , and the zone controller 5 is connected with the door motor 4 by using the MCU1 .

[0041] In this embodiment, two or more zone controllers 5 adopt a parallel circuit structure and share one battery.

[0042] In this embodiment, the automobile includes an airbag controller 6 , which generates and sends a collision signal to the energy storage module 2 in the zone controller 5 when the automobile collides.

[0043] The control method of the zone controller of the present invention is as follows:

[0044] Step 1, the zone controller 5 uses the MCU1 to control the door motor 4 in real time.

[0045] Step 2: When the energy storage module 2 detects that current is passing through the collection resistor 3, it obtains electric energy from the battery and stores it until it reaches a preset value.

[0046] Step 3: When the car is hit, the airbag controller 6 sends a collision signal to the energy storage module 2 in the regional controller 5.

[0047] Step 4: After detecting that the current of the collection resistor 3 is reduced to 0 and receiving the collision signal, the energy storage module 2 enters the power supply mode, provides power to the MCU1 and the door motor 4, and uses the MCU1 to control the door motor 4 to execute the door handle unlocking function.

[0048] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein; and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A zone controller, characterized in that: Including MCU, energy storage module and collection resistor; The MCU and the battery form a loop, the energy storage module is connected in parallel with the MCU and then in series with the collection resistor, and both ends of the collection resistor are also connected to the current collection port of the energy storage module; The energy storage module is used to obtain and store electrical energy from the battery until a preset value is reached; and to receive a collision signal and monitor the real-time current of the acquisition resistor. After the current is reduced to 0 and a collision signal is received, the energy storage module enters a power supply mode to provide electrical energy for the MCU; The MCU is used to control the door motor and execute the door handle unlocking function under the power supply of the battery or the energy storage module.

2. The zone controller according to claim 1, characterized in that: One MCU controls a plurality of door motors.

3. The zone controller according to claim 1 or 2, characterized in that: The two MCUs control the four door motors.

4. A car, characterized in that: The invention comprises the zone controller as described in any one of claims 1 to 3.

5. The automobile according to claim 4, characterized in that: More than two zone controllers adopt a parallel circuit structure and share a battery.

6. The automobile according to claim 4, characterized in that: Also includes: Airbag controller; The airbag controller is used to generate and send a collision signal to the energy storage module when the vehicle collides.

7. A control method of a zone controller, characterized in that: The method comprises: The zone controller according to any one of claims 1 to 3 uses an MCU to control the door motor in real time.

8. The control method of the zone controller according to claim 7, characterized in that: include: When the energy storage module detects that current is passing through the collection resistor, it obtains electric energy from the battery and stores it until a preset value is reached.

9. The control method of the zone controller according to claim 8, characterized in that: When the automobile described in claim 6 is hit, the airbag controller sends a collision signal to the energy storage module.

10. The control method of the zone controller according to claim 9, characterized in that: include: After monitoring that the current of the collection resistor is reduced to 0 and receiving a collision signal, the energy storage module enters a power supply mode to provide power to the MCU, and uses the MCU to control the door motor to execute a door handle unlocking function.

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