CN116176487A - Automobile active engine cover executing mechanism, system, control method, maintenance method and storage medium - Google Patents
Automobile active engine cover executing mechanism, system, control method, maintenance method and storage medium Download PDFInfo
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- CN116176487A CN116176487A CN202210887967.0A CN202210887967A CN116176487A CN 116176487 A CN116176487 A CN 116176487A CN 202210887967 A CN202210887967 A CN 202210887967A CN 116176487 A CN116176487 A CN 116176487A
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- 238000012423 maintenance Methods 0.000 title abstract description 16
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- 241000601180 Clematis villosa Species 0.000 description 1
- 208000033999 Device damage Diseases 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/38—Protecting non-occupants of a vehicle, e.g. pedestrians using means for lifting bonnets
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Abstract
An automobile active engine cover executing mechanism, an automobile active engine cover executing system, an automobile active engine cover executing control method, an automobile active engine cover maintaining method and an automobile active engine cover storing medium relate to the technical field of automobile engineering, solve the problem that high maintenance cost is generated after the system is triggered by mistake, and are applied to providing pedestrian protection functions for front-opening engine covers. The actuating mechanism comprises an engine hood, an engine hood hinge, an engine hood lock and an engine hood lifter; the engine cover hinge is arranged at the front end of the engine cover and is used for rotationally connecting the engine cover with the vehicle body; the engine cover is locked at the rear end of the engine cover and used for locking the engine cover in a closed state; the engine hood lifter is arranged at the center of the rear end of the engine hood and is used for bouncing the rear end of the engine hood around the hinge of the engine hood to the front of the automobile after the explosion. The method comprises the following steps: the collision signal sensing module senses a collision signal and sends the collision signal to the control module; the control module sends an instruction to the execution mechanism to control unlocking of the engine cover lock; the engine hood lifter is exploded, and the rear end of the engine hood is sprung to the limit height of the safety hook.
Description
Technical Field
The invention relates to the technical field of automobile engineering, in particular to an automobile active engine hood executing mechanism, an automobile active engine hood executing system and an automobile active engine hood control technology.
Background
With the development of the automobile industry, the casualties caused by traffic accidents are continuously increased, the road safety protection is increasingly important, the requirements of consumers on the protection function of the automobile pedestrians are also continuously improved, and the application of the passive pedestrian protection hood system is more and more extensive.
Automotive hoods are commonly used to open and close engine compartments to repair components installed in the engine compartment and to conduct general inspections. At present, a device for pedestrian collision protection on an automobile mainly adopts a gas generator type lifting device, and instantaneous high-pressure gas is generated through chemical reaction to push the rear end of an engine cover to lift.
However, the conventional passive pedestrian protection device damages the related structure of the hinge after the explosion due to the high misjudgment rate in collision detection, so that the maintenance cost is high, and user complaints are caused. For example, a "angry bird" in the state knocks 80 ten thousand XX, and flies 3 ten thousand; the old hen is accidentally knocked into the car after the car is started and returned to the village, and the engine cover is sprung up; a wild dog rushes out suddenly, is not braked, directly bumps into the engine hood to bounce, and the like, which are reported to be common. In summary, the conventional active hood system usually generates high maintenance cost after false triggering, resulting in unnecessary economic loss.
Disclosure of Invention
The invention provides an actuating mechanism of an active engine cover of an automobile, which aims to solve the problem of high maintenance cost generated after the false triggering of the existing system.
The technical scheme of the invention is as follows:
an automotive active hood actuator comprising a hood, a hood hinge, a hood lock, and a hood lifter;
the engine cover hinge is arranged at the front end of the engine cover and is used for rotationally connecting the engine cover with the vehicle body; the engine cover is locked at the rear end of the engine cover and used for locking the engine cover in a closed state; the engine hood lifter is arranged at the center of the rear edge of the engine hood and used for bouncing the rear end of the engine hood around the hinge of the engine hood axially to the front of the automobile after explosion.
Preferably, the number of the engine cover hinges is 2, and the engine cover hinges are symmetrically arranged on two sides of the front end of the engine cover.
Preferably, the number of engine cover locks is 2, and the engine cover locks are symmetrically arranged on two sides of the rear end of the engine cover.
Preferably, the actuator further comprises a hood safety hook for limiting the height to which the rear end of the hood is sprung up at the time of the ignition.
Preferably, the actuator further comprises a hood opening handle connected to the hood safety hook for unlocking the hood safety hook lock.
Preferably, the hood opening handle is electrically connected to the hood safety hook or connected to the hood safety hook by a link.
An automobile active engine cover system comprises the actuating mechanism, a collision signal sensing module and a control module;
the collision signal sensing module is used for receiving a collision signal of the engine cover and transmitting the signal to the control module, and the control module is used for sending an instruction to the execution mechanism after receiving the collision signal to control the execution mechanism to realize the bouncing of the engine cover.
An automobile active engine cover control method, which is applied to the automobile active engine cover system, comprises the following steps:
s1, a collision signal sensing module senses the collision condition of an engine cover in real time, and when a collision signal is sensed, the collision signal is sent to a control module of the system;
s2, the control module sends an execution instruction to the execution mechanism to control unlocking of the engine cover lock;
and S3, after the engine hood lock is unlocked, the engine hood lifter is exploded, and the rear end of the engine hood axially and forwards bounces around the engine hood hinge to the limiting position of the engine hood safety hook.
The maintenance method for the actuating mechanism is used for recovering the active pedestrian protection function after triggering and is characterized by comprising the following steps of:
SS1, pressing an engine hood opening handle to release the limit of an engine hood safety hook;
SS2, opening the engine hood, and replacing the engine hood jack;
and SS3, closing the engine hood, locking the engine hood lock again, and recovering the engine hood to the closed position to complete the recovery of the active pedestrian protection function.
A computer-readable storage medium for storing a computer program that executes the active hood control method of an automobile as described above.
Compared with the prior art, the invention solves the problem of high maintenance cost after the system is triggered by mistake, and has the following specific beneficial effects:
this be applicable to front open engine bonnet, the system is at first unlocked operation when exploding, different and prior art, this application the system need not to destroy hinge structure when exploding, can manual reset engine bonnet, and the required energy of exploding is less, can use single engine bonnet jacking ware, through the actuating mechanism structural arrangement of whole engine bonnet system, has reduced the part cost and the cost of maintenance of passive pedestrian protection engine bonnet system, can promote the control accuracy of passive pedestrian protection engine bonnet system jacking simultaneously, better realization pedestrian protection's function.
Drawings
FIG. 1 is a schematic diagram of an automotive active hood actuator;
fig. 2 is a schematic view of the hood after bouncing.
Detailed Description
In order to make the technical solution of the present invention clearer, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it should be noted that the following embodiments are only used for better understanding of the technical solution of the present invention, and should not be construed as limiting the present invention.
Example 1.
The embodiment provides an automobile active engine hood executing mechanism, which is shown in fig. 1, wherein the executing mechanism comprises an engine hood, an engine hood hinge, an engine hood lock and an engine hood lifter;
the engine cover hinge is arranged at the front end of the engine cover and is used for rotationally connecting the engine cover with the vehicle body; the engine cover is locked at the rear end of the engine cover and used for locking the engine cover in a closed state; the engine hood lifter is arranged at the center of the rear edge of the engine hood and is used for bouncing the rear end of the engine hood around the hinge of the engine hood axially to the front of the automobile after explosion.
The actuating mechanism that this embodiment provided need not to destroy hinge structure when the point explodes, can manual reset engine bonnet, and the required energy of point explodes is less, can use single engine bonnet jacking ware, can manual reset engine bonnet after the point explodes, need not maintenance and can resume the normal switching of engine bonnet, and the part cost is low, cost of maintenance is low, easy maintenance.
Example 2.
This embodiment is further illustrated in embodiment 1, where the number of hood hinges is 2, and the hood hinges are symmetrically disposed on both sides of the front end of the hood.
Example 3.
This embodiment is further illustrated in embodiment 1, where the number of hood locks is 2, and the hood locks are symmetrically disposed on two sides of the rear end of the hood.
Example 4.
This embodiment is a further illustration of embodiment 1, wherein the actuator further comprises a hood safety hook for limiting the height to which the rear end of the hood springs up during the ignition.
According to different vehicle types, the optimal bouncing height of the pedestrian protection function is different, and the safety hook arranged by the execution mechanism can realize the control of the bouncing height according to the needs, so that the pedestrian protection function is exerted to the greatest extent.
Example 5.
This embodiment is further illustrative of embodiment 4, wherein the actuator further comprises a hood opening handle coupled to the hood safety hook for unlocking the hood safety hook lock.
The engine cover opening handle that this embodiment set up can realize the control to the safety hook, and the engine cover can be opened by a wide margin after the safety hook unblock, is convenient for inside maintenance.
Example 6.
This embodiment is a further illustration of embodiment 5, wherein the hood opening handle is electrically connected to the hood safety hook or connected thereto by a connecting rod.
Example 7.
The embodiment provides an active hood system of an automobile, comprising the actuator of any one of embodiments 1-6, a collision signal sensing module and a control module;
the collision signal sensing module is used for receiving a collision signal of the engine cover and transmitting the signal to the control module, and the control module is used for sending an instruction to the execution mechanism after receiving the collision signal to control the execution mechanism to realize the bouncing of the engine cover.
Example 8.
An automobile active hood control method, to which the automobile active hood system according to embodiment 7 is applied, comprising the steps of:
s1, a collision signal sensing module senses the collision condition of an engine cover in real time, and when a collision signal is sensed, the collision signal is sent to a control module of the system;
s2, the control module sends an execution instruction to the execution mechanism to control unlocking of the engine cover lock;
and S3, after the engine hood lock is unlocked, the engine hood lifter is exploded, and the rear end of the engine hood axially and forwards bounces around the engine hood hinge to the limit height of the engine hood safety hook.
The method provided by the embodiment is applied to the system provided by the embodiment, firstly, unlocking operation is carried out during explosion, a hinge structure is not required to be damaged, an engine cover can be reset manually, the energy required by explosion is small, a single engine cover lifter can be used, the state of the engine cover after the engine cover is sprung up is shown as the figure 2, the part cost and the maintenance cost of the passive pedestrian protection engine cover system are reduced, the control precision of the lifting of the passive pedestrian protection engine cover system can be improved, and the pedestrian protection function is better realized.
Example 9.
A method of servicing the actuator of any of embodiments 1-6 for restoring active pedestrian protection after system triggering, comprising the steps of:
SS1, pressing an engine hood opening handle to release the limit of an engine hood safety hook;
SS2, opening the engine hood, and replacing the engine hood jack;
and SS3, closing the engine hood, locking the engine hood lock again, and recovering the engine hood to the closed position to complete the recovery of the active pedestrian protection function.
According to the maintenance method, after the system is triggered, the pedestrian protection function can be recovered only by replacing the lifter, and compared with the prior art, the maintenance cost is greatly reduced.
Example 10.
The present embodiment provides a computer-readable storage medium for storing a computer program that executes the active hood control method of an automobile as described in embodiment 8.
The memory in embodiments of the present application may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile memory may be a Read Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. The volatile memory may be random access memory (random access memory, RAM) which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous DRAM (SLDRAM), and direct memory bus RAM (DR RAM). It should be noted that the memory of the methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by a wired (e.g., coaxial cable, fiber optic, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains an integration of one or more available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (digital video disc, DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), or the like.
In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or by instructions in the form of software. The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in a hardware processor for execution, or in a combination of hardware and software modules in the processor for execution. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method. To avoid repetition, a detailed description is not provided herein.
It should be noted that the processor in the embodiments of the present application may be an integrated circuit chip with signal processing capability. In implementation, the steps of the above method embodiments may be implemented by integrated logic circuits of hardware in a processor or instructions in software form. The processor may be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, or discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in hardware, in a decoded processor, or in a combination of hardware and software modules in a decoded processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.
Claims (10)
1. An automobile active engine hood executing mechanism is characterized by comprising an engine hood, an engine hood hinge, an engine hood lock and an engine hood lifter;
the engine cover hinge is arranged at the front end of the engine cover and is used for rotationally connecting the engine cover with the vehicle body; the engine cover is locked at the rear end of the engine cover and used for locking the engine cover in a closed state; the engine hood lifter is arranged at the center of the rear edge of the engine hood and used for bouncing the rear end of the engine hood around the hinge of the engine hood axially to the front of the automobile after explosion.
2. The vehicle active hood actuator of claim 1, wherein the number of hood hinges is 2, symmetrically disposed on both sides of the front end of the hood.
3. The vehicle active hood actuator of claim 1, wherein the number of hood locks is 2, symmetrically disposed on opposite sides of the rear end of the hood.
4. The automotive active hood actuator of claim 1, further comprising a hood safety hook for limiting the height to which the rear end of the hood springs up upon a point explosion.
5. The automotive active hood actuator of claim 4, further comprising a hood opening handle coupled to the hood safety hook for unlocking the hood safety hook lock.
6. The automotive active hood actuator of claim 5, wherein the hood opening handle is electrically connected to the hood safety hook or connected thereto by a linkage.
7. An automotive active hood system comprising the actuator of any one of claims 1-6, further comprising a collision signal sensing module and a control module;
the collision signal sensing module is used for receiving a collision signal of the engine cover and transmitting the signal to the control module, and the control module is used for sending an instruction to the execution mechanism after receiving the collision signal to control the execution mechanism to realize the bouncing of the engine cover.
8. A method of controlling an active hood for an automobile, characterized by applying the active hood system for an automobile according to claim 7, comprising the steps of:
s1, a collision signal sensing module senses the collision condition of an engine cover in real time, and when a collision signal is sensed, the collision signal is sent to a control module of the system;
s2, the control module sends an execution instruction to the execution mechanism to control unlocking of the engine cover lock;
and S3, after the engine hood lock is unlocked, the engine hood lifter is exploded, and the rear end of the engine hood axially and forwards bounces around the engine hood hinge to the limiting position of the engine hood safety hook.
9. A method of repairing an actuator as claimed in any one of claims 1 to 6 for restoring an active pedestrian protection function after triggering, comprising the steps of:
SS1, pressing an engine hood opening handle to release the limit of an engine hood safety hook;
SS2, opening the engine hood, and replacing the engine hood jack;
and SS3, closing the engine hood, locking the engine hood lock again, and recovering the engine hood to the closed position to complete the recovery of the active pedestrian protection function.
10. A computer-readable storage medium storing a computer program that executes the active hood control method of an automobile according to claim 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210887967.0A CN116176487A (en) | 2022-07-27 | 2022-07-27 | Automobile active engine cover executing mechanism, system, control method, maintenance method and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210887967.0A CN116176487A (en) | 2022-07-27 | 2022-07-27 | Automobile active engine cover executing mechanism, system, control method, maintenance method and storage medium |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202358034U (en) * | 2011-12-08 | 2012-08-01 | 长安大学 | Car bonnet lifting device for pedestrian protection |
| CN103434574A (en) * | 2013-08-02 | 2013-12-11 | 浙江吉利汽车研究院有限公司 | Engine hood lock opening mechanism and motor vehicle with same |
| CN110630125A (en) * | 2019-09-27 | 2019-12-31 | 上汽通用汽车有限公司 | Active pedestrian protection front cover hinge system |
| CN209870541U (en) * | 2019-03-20 | 2019-12-31 | 中国第一汽车股份有限公司 | Aluminum alloy engine hood latch hook reinforcing plate for passenger car |
| CN110775011A (en) * | 2019-07-31 | 2020-02-11 | 中国第一汽车股份有限公司 | Control method and system of vehicle engine hood, vehicle and storage medium |
| WO2021204245A1 (en) * | 2020-04-10 | 2021-10-14 | 采埃孚汽车科技(上海)有限公司 | Vehicle safety assembly, method for improving safety performance of vehicle, and medium |
| CN114056276A (en) * | 2021-12-21 | 2022-02-18 | 上汽通用汽车有限公司 | Pedestrian protection engine cover assembly |
-
2022
- 2022-07-27 CN CN202210887967.0A patent/CN116176487A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202358034U (en) * | 2011-12-08 | 2012-08-01 | 长安大学 | Car bonnet lifting device for pedestrian protection |
| CN103434574A (en) * | 2013-08-02 | 2013-12-11 | 浙江吉利汽车研究院有限公司 | Engine hood lock opening mechanism and motor vehicle with same |
| CN209870541U (en) * | 2019-03-20 | 2019-12-31 | 中国第一汽车股份有限公司 | Aluminum alloy engine hood latch hook reinforcing plate for passenger car |
| CN110775011A (en) * | 2019-07-31 | 2020-02-11 | 中国第一汽车股份有限公司 | Control method and system of vehicle engine hood, vehicle and storage medium |
| CN110630125A (en) * | 2019-09-27 | 2019-12-31 | 上汽通用汽车有限公司 | Active pedestrian protection front cover hinge system |
| WO2021204245A1 (en) * | 2020-04-10 | 2021-10-14 | 采埃孚汽车科技(上海)有限公司 | Vehicle safety assembly, method for improving safety performance of vehicle, and medium |
| CN114056276A (en) * | 2021-12-21 | 2022-02-18 | 上汽通用汽车有限公司 | Pedestrian protection engine cover assembly |
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