阅读说明：本技术 一种行人警示器发声控制系统及其控制方法 (Pedestrian alarm sounding control system and control method thereof ) 是由 杜雨恒 王子军 李志刚 郑岩 柳甲东 陈倍彬 方丽琴 刘宇 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种行人警示器发声控制系统及其控制方法,在音响主机、行人警示器通讯列表中增加两个信号,对信号默认值、音响大屏软开关操作等设定,实现行人警示声音满足法规要求及驾驶员需求。软开关设置在音响大屏的交互界面上,用于控制行人警示器开闭；在行人警示器、音响主机通讯列表中增加行人警示静音控制使能信号,使能信号由音响主机发送,行人警示器接收；在行人警示器、音响主机通讯列表中增加行人警示静音功能状态信号,此状态信号由行人警示器发送,音响主机接收。本发明不增加硬件开关、连接线束等硬件成本；不破坏仪表板或副仪表板的造型；配置灵活,可随时调整。(The invention discloses a pedestrian warning device sounding control system and a control method thereof. The soft switch is arranged on an interactive interface of the large sound screen and used for controlling the pedestrian warning device to be switched on and switched off; a pedestrian warning mute control enabling signal is added in a communication list of a pedestrian warning device and a sound host, the enabling signal is sent by the sound host, and the pedestrian warning device receives the enabling signal; a pedestrian warning mute function state signal is added in a communication list of the pedestrian warning device and the sound host, the state signal is sent by the pedestrian warning device, and the sound host receives the state signal. The invention does not increase the hardware cost of hardware switches, connecting wire harnesses and the like; the shape of the instrument panel or the auxiliary instrument panel is not damaged; the configuration is flexible and can be adjusted at any time.)

1. A pedestrian alarm sounding control system is characterized by comprising a pedestrian alarm, a sound host, a gateway, a sound large screen and a soft switch; pedestrian's attention device passes through CAN signal communication with the gateway and is connected, and the gateway passes through CAN signal communication with the stereo set host computer and is connected, and the stereo set large screen is connected with the stereo set host computer electricity, and soft switch setting is on the mutual interface of stereo set large screen, and soft switch is used for controlling pedestrian's attention device switching.

2. The pedestrian alarm sound production control system of claim 1, wherein the soft switch is in communication with a main audio unit and sends a control signal to the main audio unit.

3. The pedestrian alarm sound production control system of claim 1, wherein the sound host acquires a state signal of the pedestrian alarm and displays the state of the pedestrian alarm through a sound large screen.

4. The control method of the pedestrian alarm sounding control system according to claim 1, comprising the steps of:

step one, adding a pedestrian warning mute control enabling signal in a communication list of a pedestrian warning device and a sound host, wherein the enabling signal is sent by the sound host and received by the pedestrian warning device;

step two, adding a pedestrian warning mute function state signal in a communication list of a pedestrian warning device and a sound host, wherein the state signal is sent by the pedestrian warning device and received by the sound host;

step three, setting the enabling signal after each power-on as an opening instruction signal in the sound host; setting a default state signal of the state signal after each power-on as a closing state signal in the pedestrian alarm;

step four, if the pedestrian warning sound needs to be closed, controlling a soft switch in the large sound box screen, changing an enabling signal from a default opening instruction signal to a closing instruction signal when a command of closing the pedestrian warning sound is reached, receiving the signal by the pedestrian warning device to close the pedestrian warning sound, changing a state signal from a default closing state signal to an opening state signal, receiving the signal by the main sound box and displaying that the soft switch is 'on' in the large sound box screen;

and step five, if the pedestrian warning sound needs to be turned on again, controlling a soft switch in the large sound screen, changing the enabling signal into an on instruction signal by the main sound machine, receiving the signal by the pedestrian warning device to turn on the pedestrian warning sound, changing the state signal into an off state signal, receiving the signal by the main sound machine, and displaying that the soft switch is turned off in the large sound screen.

5. The control method of the pedestrian alarm sounding control system according to claim 4, wherein in step three, the enable signal defaults to 0X1 after each power-on is set in the main audio unit, the pedestrian alarm receives the signal, and the pedestrian alarm is turned on; a state signal after each power-on is set in the pedestrian alarm and defaults to 0x0, and the sound host receives the signal and displays that the pedestrian alarm sound control key is turned off in the large screen.

6. The method as claimed in claim 5, wherein in the fourth step, the soft switch in the large screen of the audio device is controlled, when the command of turning off the pedestrian warning sound is received, the main audio device changes the enable signal to 0X0, the pedestrian warning device receives the enable signal to turn off the pedestrian warning sound, and changes the status signal to 0X1, and the main audio device receives the enable signal and displays that the soft switch is "on" in the large screen.

7. The method as claimed in claim 6, wherein in the fifth step, the soft switch in the large screen of the audio device is controlled, the main audio device changes the enable signal to 0X1, the pedestrian alarm receives the signal to turn on the pedestrian alarm, and changes the status signal to 0X0, and the main audio device receives the signal and displays the soft switch as off in the large screen.

Technical Field

The invention belongs to the technical field of automobile control, and particularly relates to a pedestrian alarm sounding control system and a control method thereof.

Background

With the gradual exhaustion of traditional resources, the rise of environmental protection consciousness, the development of technologies such as batteries and the like and the consideration of national automobile industry development strategies, electric vehicles increasingly appear in people's daily life. The electric vehicle is driven by a motor, does not have the sound of a traditional engine, and is provided with related parts such as a pedestrian warning indicator and the like for ensuring the safety of pedestrians.

However, the pedestrian warning indicator cannot be turned off generally, or can be turned off only by a hardware switch, and the increase of the hardware switch has the problems of increased cost, difficult arrangement, inconvenient operation and the like.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a pedestrian warning device sounding control system and a control method, wherein a pedestrian warning device turning-on/turning-off soft switch is added in a sound large screen, so that the flexible control of whether the pedestrian warning device is sounded by a driver is realized on the premise of not increasing hardware cost and not damaging shapes such as an instrument panel, and the pain point that the pedestrian warning sound of a common electric vehicle cannot be turned off under any working condition is solved.

The purpose of the invention is realized by the following technical scheme:

a pedestrian alarm sounding control system comprises a pedestrian alarm, a sound host, a gateway, a sound large screen and a soft switch; pedestrian's attention device passes through CAN signal communication with the gateway and is connected, and the gateway passes through CAN signal communication with the stereo set host computer and is connected, and the stereo set large screen is connected with the stereo set host computer electricity, and soft switch setting is on the mutual interface of stereo set large screen, and soft switch is used for controlling pedestrian's attention device switching.

Further, the soft switch is in communication connection with the main audio system and sends a control signal to the main audio system.

Further, the stereo set host computer obtains pedestrian's attention device's status signal and carries out pedestrian's attention device status display through the stereo set large screen.

The invention also provides a control method of the pedestrian alarm sounding control system, which comprises the following steps:

step one, adding a pedestrian warning mute control enabling signal in a communication list of a pedestrian warning device and a sound host, wherein the enabling signal is sent by the sound host and received by the pedestrian warning device;

step two, adding a pedestrian warning mute function state signal in a communication list of a pedestrian warning device and a sound host, wherein the state signal is sent by the pedestrian warning device and received by the sound host;

step three, setting the enabling signal after each power-on as an opening instruction signal in the sound host; setting a default state signal of the state signal after each power-on as a closing state signal in the pedestrian alarm;

step four, if the pedestrian warning sound needs to be closed, controlling a soft switch in the large sound box screen, changing an enabling signal from a default opening instruction signal to a closing instruction signal when a command of closing the pedestrian warning sound is reached, receiving the signal by the pedestrian warning device to close the pedestrian warning sound, changing a state signal from a default closing state signal to an opening state signal, receiving the signal by the main sound box and displaying that the soft switch is 'on' in the large sound box screen;

and step five, if the pedestrian warning sound needs to be turned on again, controlling a soft switch in the large sound screen, changing the enabling signal into an on instruction signal by the main sound machine, receiving the signal by the pedestrian warning device to turn on the pedestrian warning sound, changing the state signal into an off state signal, receiving the signal by the main sound machine, and displaying that the soft switch is turned off in the large sound screen.

Furthermore, in the third step, the enable signal defaults to 0X1 after each power-on is set in the main audio unit, the pedestrian alarm receives the signal, and the pedestrian alarm is turned on;

a state signal after each power-on is set in the pedestrian alarm and defaults to 0x0, and the sound host receives the signal and displays that the pedestrian alarm sound control key is turned off in the large screen.

Furthermore, in the fourth step, the soft switch in the large sound screen is controlled, when the command of turning off the pedestrian warning sound is reached, the main sound unit changes the enable signal to 0X0, the pedestrian warning device receives the signal to turn off the pedestrian warning sound, and changes the state signal to 0X1, and the main sound unit receives the signal and displays that the soft switch is turned on in the large screen.

Furthermore, in the fifth step, the soft switch in the large sound screen is controlled, the main sound unit changes the enable signal to 0X1, the pedestrian warning device receives the enable signal to turn on the pedestrian warning tone, and changes the state signal to 0X0, and the main sound unit receives the enable signal and displays that the soft switch is turned off in the large screen.

Compared with the existing hard switch control, the invention has the following advantages:

hardware costs such as hardware switches and connecting wire harnesses are not increased; the shape of the instrument panel or the auxiliary instrument panel is not damaged; the configuration is flexible and can be adjusted at any time.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below.

Fig. 1 is a block diagram of a pedestrian alarm sound production control system according to embodiment 1 of the present invention.

Detailed Description

The following embodiments are only used for illustrating the technical solutions of the present invention more clearly, and therefore, the following embodiments are only used as examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

As shown in fig. 1, a pedestrian alarm sounding control system includes a pedestrian alarm, a main audio unit, a gateway, a large audio screen, and a soft switch; pedestrian's attention device passes through CAN signal communication with the gateway and is connected, and the gateway passes through CAN signal communication with the stereo set host computer and is connected, and the stereo set large screen is connected with the stereo set host computer electricity, and soft switch setting is on the mutual interface of stereo set large screen, and soft switch is used for controlling pedestrian's attention device switching.

Further, the soft switch is in communication connection with the main audio system and sends a control signal to the main audio system.

Further, the stereo set host computer obtains pedestrian's attention device's status signal and carries out pedestrian's attention device status display through the stereo set large screen.

A control method of a pedestrian alarm sounding control system comprises the following steps:

step one, adding a pedestrian warning mute control enabling signal in a communication list of a pedestrian warning device and a sound host, wherein the enabling signal is sent by the sound host and received by the pedestrian warning device;

step two, adding a pedestrian warning mute function state signal in a communication list of a pedestrian warning device and a sound host, wherein the state signal is sent by the pedestrian warning device and received by the sound host;

step three, setting the enabling signal after each power-on as an opening instruction signal in the sound host; setting a default state signal of the state signal after each power-on as a closing state signal in the pedestrian alarm;

step four, if the pedestrian warning sound needs to be closed, controlling a soft switch in the large sound box screen, changing an enabling signal from a default opening instruction signal to a closing instruction signal when a command of closing the pedestrian warning sound is reached, receiving the signal by the pedestrian warning device to close the pedestrian warning sound, changing a state signal from a default closing state signal to an opening state signal, receiving the signal by the main sound box and displaying that the soft switch is 'on' in the large sound box screen;

step five: if the pedestrian warning sound needs to be turned on again, the soft switch in the large sound screen is controlled, the main sound machine changes the enabling signal into the opening instruction signal, the pedestrian warning device receives the signal to turn on the pedestrian warning sound, meanwhile, the state signal is changed into the closing state signal, and the main sound machine receives the signal and displays that the soft switch is turned off in the large screen.

Furthermore, in the third step, the enable signal defaults to 0X1 after each power-on is set in the main audio unit, the pedestrian alarm receives the signal, and the pedestrian alarm is turned on;

setting a state signal after each power-on in the pedestrian alarm, wherein the default is 0x0, and the sound host receives the signal and displays that the pedestrian alarm sound control key is closed in the large screen;

furthermore, in the fourth step, the soft switch in the large sound screen is controlled, when the instruction of turning off the pedestrian warning sound is reached, the main sound machine changes the enable signal to 0X0, the pedestrian warning device receives the signal to turn off the pedestrian warning sound, and simultaneously changes the state signal to 0X1, and the main sound machine receives the signal and displays that the soft switch is turned on in the large screen;

furthermore, in the fifth step, the soft switch in the large sound screen is controlled, the main sound unit changes the enable signal to 0X1, the pedestrian warning device receives the enable signal to turn on the pedestrian warning tone, and changes the state signal to 0X0, and the main sound unit receives the enable signal and displays that the soft switch is turned off in the large screen.

Example 1

In the initial design of the B30EVT3 vehicle model, no special scene is considered: the driver demands to turn off the pedestrian warning sound. The hardware cost such as hardware switches and connecting wire harnesses is avoided; the shape of the instrument panel or the auxiliary instrument panel is not damaged; the pedestrian warning device is flexible to configure, can be adjusted at any time according to regulations and the like, and can be selectively added with a soft switch to control whether the pedestrian warning device sounds or not.

A pedestrian warning device opening/closing soft switch is added in the large sound screen, two signals are added in a communication list of the sound host and the pedestrian warning device, a signal default value, the operation of the large sound screen soft switch and the like are set, and the pedestrian warning sound meets the requirements of regulations and the requirements of drivers. The method comprises the following steps:

the method comprises the following steps: adding a pedestrian warning mute control enabling signal NoiseSimultationuteCommd (hereinafter referred to as an enabling signal) in a communication list of a pedestrian warning device and a sound host, wherein the signal is sent by the sound host and received by the pedestrian warning device;

step two: adding a pedestrian warning mute function status signal NS _ NoiseSimulantionfunctional status (hereinafter referred to as status signal) in a communication list of a pedestrian warning device and a sound host, wherein the signal is sent by the pedestrian warning device and received by the sound host;

step three: setting an enabling signal default to be 0X1 after each electrification in the main audio unit, receiving the signal by the pedestrian alarm, and starting the pedestrian alarm sound;

setting a state signal after each power-on in the pedestrian alarm, wherein the default is 0x0, and the sound host receives the signal and displays that the pedestrian alarm sound control key is closed in the large screen;

step four: if the pedestrian warning sound control key is turned off in the large screen of the sound box, the enabling signal is changed into 0X0 by the sound box main machine, the pedestrian warning device receives the signal to turn off the pedestrian warning sound, meanwhile, the state signal is changed into 0X1, the sound box main machine receives the signal and displays that the pedestrian warning sound control key is turned on in the large screen;

step five: if the pedestrian warning sound control key is turned on in the large screen of the sound box, the enabling signal is changed into 0X1 by the sound box main machine, the pedestrian warning device receives the signal to turn on the pedestrian warning sound, meanwhile, the state signal is changed into 0X0, and the sound box main machine receives the signal and displays that the pedestrian warning sound control key is turned off in the large screen.

Example 2

A pedestrian warning sound on/off physical switch is added on the instrument panel or the auxiliary instrument panel, one end of the physical switch is connected with the pedestrian warning device through a hard wire, and the other end of the physical switch is grounded; after the pedestrian warning device is powered on, the pedestrian warning device is powered on by default according to the requirements of a law; the pedestrian warning device comprises an operation entity switch, a circuit is conducted, a pedestrian warning device receives low level signals, the pedestrian warning device counts the low level signals, the pedestrian warning sound is turned off for odd times, and the pedestrian warning sound is turned on for even times.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.