CN109774476B - Alarm display device and instrument - Google Patents
Alarm display device and instrument Download PDFInfo
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- CN109774476B CN109774476B CN201811629575.4A CN201811629575A CN109774476B CN 109774476 B CN109774476 B CN 109774476B CN 201811629575 A CN201811629575 A CN 201811629575A CN 109774476 B CN109774476 B CN 109774476B
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Abstract
The invention provides an alarm display device, which comprises a controller and a display screen connected with the controller, wherein the display screen is provided with an alarm display area which comprises N display positions; the controller acquires the alarm state of the alarm, and comprises an alarm state information list which comprises M pieces of alarm state information, wherein M is larger than N, and the state information comprises the alarm state and the display state of the corresponding alarm. According to the alarm display device and the instrument provided by the invention, the controller maintains the alarm state information list which comprises the alarm state information arranged according to the display priority, each state information comprises the alarm state and the display state of the corresponding alarm, and the alarm display is adjusted according to the state information, so that the opened alarm is avoided and is not perceived by a user.
Description
Technical Field
The invention relates to the field of automobiles, in particular to an alarm display device and an instrument.
Background
Commercial vehicles, such as trucks, include more warning signs than passenger cars.
Partial warning signs, e.g. warning sign 31-low-tire pressure warning sign
Printed on the dial plate of the rotating speed instrument; partial warning signs, e.g. warning sign 32-low oil pressure warning sign
The alarm display area 3 of the display screen is displayed, and as shown in fig. 1, the display space of the alarm display area 3 is limited, for example, six.
If the alarm with the higher display priority has filled up a limited number of display bits, for example, the first 8 of 14 alarms are on, only the 6 with the higher priority can be displayed, and 2 alarms with relatively lower display priority cannot be displayed even if they are on (active).
This may result in some alarms being present but never being displayed for the opportunity to be perceived by the user.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to solve the problem of providing an alarm display device.A controller maintains an alarm state information list, the alarm state information list comprises alarm state information arranged according to display priority, each state information comprises an alarm state and a display state of a corresponding alarm, and the alarm display is adjusted according to the state information, so that the opened alarm is avoided and cannot be perceived by a user.
The invention provides an alarm display device, which comprises a controller and a display screen connected with the controller, wherein the display screen is provided with an alarm display area which comprises N display positions; the controller acquires the alarm state of the alarm, and comprises an alarm state information list which comprises M pieces of alarm state information, wherein M is larger than N, and the state information comprises the alarm state and the display state of the corresponding alarm.
Further, the M alarms have different display priorities.
Further, the controller further includes a first timer set to a display period T1 for the alarm display area.
Further, the display states include a first display state indicating that display is not required, a second display state indicating that the alarm information display area is being displayed, a third display state indicating that at least one display period T1 has elapsed but is not currently displayed, and a fourth display state indicating that display is required but not displayed.
Further, if the display period T1 is reached,
-setting the display state of the alarm with the display state being the second display state to a third display state;
-setting N display bits available.
Further, if the display period T1 is not reached,
-if the alarm state of the alarm changes,
updating the corresponding alarm state in the alarm information list;
for the alarm to change from off to on, the display state thereof is set to the fourth display state:
setting the display state of the alarm to be a first display state for the alarm changing from on to off, and updating the alarm display of the alarm display area if the display state of the alarm is a second display state;
-if there is an alarm whose display status is the fourth display status,
updating the alarm display of the alarm display area if the alarm display area has available display bits;
if the alarm display area does not have a display bit available, the following alarms are present: the display priority of the alarm is higher than that of the alarm with all display states as the second display state, and the alarm display of the alarm display area is updated;
-setting the alarm of the third display state to the fourth display state if the alarm of the fourth display state is not present.
Further, updating the alarm display of the alarm display area includes the steps of:
-setting the display state of the alarm with the display state being the second display state to a fourth display state;
-selecting in the alarm information list the alarms with alarm status of on and at most N alarms with highest display priority;
-displaying the selected alarm in the alarm display area according to the display priority and setting the display status to the second display status;
-starting a first timer.
Further, the controller further includes N second timers, each corresponding to one of the display bits, set to a blinking protection period T2 for the alarm display region.
Further, for an alarm that changes from on to off, if its display state is the second display state,
-the second timer corresponding to the display bit has reached the flicker protection period T2;
-updating the alarm display of the alarm display area.
The invention also provides an instrument which comprises the alarm display device.
Compared with the prior art, the alarm display device and the instrument provided by the invention have the following beneficial effects: the controller maintains an alarm state information list, which includes alarm state information arranged according to display priorities, each state information including an alarm state and a display state of a corresponding alarm, and adjusts the alarm display according to the state information, thereby avoiding the opened alarm from being perceived by a user.
Drawings
FIG. 1 is a display schematic of an alarm display device of one embodiment of the present invention;
FIG. 2 is a schematic view of a display screen of the alarm display device shown in FIG. 1;
FIG. 3 is a schematic view of an alarm symbol;
FIGS. 4A and 4B are schematic diagrams of an alternate display of an alarm over a display bit;
fig. 5 is a flowchart showing state adjustment.
Detailed Description
The alarm display device 1 of one embodiment of the invention is used for a meter, and comprises a controller and a display screen 2 connected with the controller, as shown in fig. 1 and 2, the display screen 2 is provided with an alarm display area 3 which comprises N display bits, in this embodiment, 6 display bits are included and divided into two lines.
The controller obtains the alarm state of the alarm, the controller includes an alarm state information list, which includes M alarm state information, M is greater than N, in this embodiment, there are 14 alarms, and the alarm symbols are as shown in fig. 3, and the meanings are as follows:
1. there is a risk of collision
ACC system failure
LDW System Fault
DPF regeneration State
EBS System failure
6. Too high oil temperature of gearbox
ECAS higher than Normal altitude
HillHolder work indication
9. Engine idle speed adjustment
PS alarm indication
11. Low pressure fuel line failure
12. Retarder gear indication
13. The temperature of the cooling water is too high
14. Drive assist opening
Each status message includes an alarm status and a display status for the corresponding alarm.
The M alarms have different display priorities, and can be represented by the sequence of the alarm state information list or by adding the display priorities to the alarm state information list.
In this embodiment, different display priorities are indicated in the order of the alarm state information list.
The controller may obtain the alarm state of the alarm through a wired connection or a wireless connection, where the wired connection is, for example, a cable or a bus, and in this embodiment, the meter controller obtains the alarm state of the alarm through a CAN bus, for example, an alarm message (too low tire pressure) received from the tire pressure management system is received.
The alarm state is on and off, the on state refers to an active state, for example, when the tire pressure is too low, the alarm symbol 31 is an alarm symbol for too low tire pressure
And the lighting device is lightened, and a user can perceive that the tire pressure of a certain tire of the current vehicle is too low.
The controller further comprises a first timer arranged for a display period T1 for the alarm display area 3, the alarm display area 3 updating the alarm display every display period T1.
The display states include a first display state D1, a second display state D2, a third display state D3 and a fourth display state D4, the first display state D1 indicating that no display is required (the alarm state is off), the second display state D2 indicating that the alarm information display area 3 is displaying, the third display state D3 indicating that at least one display period T1 is displayed but not currently displayed, and the fourth display state D4 indicating that display is required but not displayed.
If the display period T1 is reached,
-setting the display state of the alarm with the display state of the second display state D2 to the third display state D3;
-setting N display bits available.
If the display period T1 has not arrived,
-if the alarm state of the alarm changes,
updating the corresponding alarm state in the alarm information list;
setting the display state of the alarm to be a fourth display state for the alarm changing from off to on;
setting the display state of the alarm to be a first display state for the alarm changing from on to off, and updating the alarm display of the alarm display area if the display state of the alarm is a second display state;
-if there is an alarm whose display status is the fourth display status,
updating the alarm display of the alarm display area if the alarm display area has available display bits;
if the alarm display area does not have a display bit available, the following alarms are present: the display priority of the alarm is higher than that of the alarm with all display states as the second display state, and the alarm display of the alarm display area is updated;
-setting the alarm of the third display state to the fourth display state if the alarm of the fourth display state is not present.
The controller may obtain the alarm state change of the alarm through various manners, for example, the controller may obtain the alarm state change of the alarm by receiving an alarm on/off message through a CAN bus, or obtain the alarm signal through a cable, so as to obtain the alarm state change of the alarm.
When the display period T1 is not reached, the above processing is performed, and the alarm display in the alarm display area can be updated in time when the alarm state change of the alarm is acquired, so that the user can perceive the vehicle state in time.
For the alarm changing from off to on, the display state is set to a fourth display state D4 (which needs to be displayed but is not shown).
For the alarm changing from on to off, the display state is set as the first display state D1 (no display is needed), if the display state is the second display state D2 (the alarm information display area 3 is displaying), the alarm display of the alarm display area 3 is updated, and other on alarms can be displayed by using the vacant display position in time.
For the case where there is an alarm whose display state is the fourth display state D4 (which needs to be displayed but has not been displayed): if the alarm display area 3 has available display bits, the alarm display of the alarm display area 3 is updated, and more open alarms are displayed by fully utilizing the limited display bits.
For the case where there is an alarm whose display state is the fourth display state D4 (which needs to be displayed but has not been displayed): if the alarm display area 3 does not have a display bit available, but the following alarm is present: the alarm whose display priority is higher than that of the alarm whose all display states are the second display state D2, the alarm display of the alarm display area is updated to ensure early display of the alarm of the display priority.
If there is no alarm in the fourth display state D4 (which is required to be displayed but not shown), that is, all the alarms that are turned on are displayed, all the alarms in the third display state D3 are set to the fourth display state D4, that is, the original display state is cleared and the alarms are reset to the states required to be displayed.
As shown in fig. 4A and 4B, when the first 8 alarms are turned on and all the turned-on alarms are displayed, the display status of the 8 alarms is the third display status D3, at this time, the display status of the 8 alarms is set to the fourth display status D4, and when the alarm display is updated, the first 6 alarms are displayed and the display status thereof is set to the second display status D2, as shown in fig. 4A.
At the next update, the display state of the first 6 alarms is set to the third display state D3, the alarm display will display the last 2 alarms (the display state is set to the fourth display state D4), and as shown in fig. 4B, the display states of the two alarms are set to the second display state D2.
When updated again, the display states of the 8 alarms are all the third display state D3, so that the alarm display areas are alternately displayed on the two interfaces as shown in fig. 4A and 4B.
For the alarm display device of the present embodiment, a specific process of adjusting the alarm display according to the state information is shown in fig. 5; updating the alarm display of the alarm display area 3, as shown in the portion within the dashed box in fig. 5, comprises the steps of:
-setting the display state of the alarm with the display state of the second display state D2 to the fourth display state D4;
-selecting in the alarm information list the alarms with alarm status of on and at most 6 alarms with highest display priority;
-displaying the selected alarm in the alarm display area 3 and setting the display state to the second display state D2;
-starting a first timer.
If an alarm symbol is just displayed, the alarm symbol is refreshed, the problem of alarm symbol flickering occurs, the alarm flickers, and the flickering frequency is not under design control, so that a user cannot correctly read alarm information through human eyes, the recognition of the user on the alarm symbol is influenced, and the perception of the user on the alarm is possibly influenced.
In another embodiment, the controller further comprises N second timers, e.g. 6, each corresponding to one display bit, set to a blinking guard period T2, e.g. set to 1 second, for the alarm display area. Specifically, the second timer initial value is a timer maximum value, and when a new alarm occurs at the corresponding display position, the second timer is reset to 0, and starts to count time until the timing maximum value is reached, such as 1 second. The position can be refreshed after the maximum value is reached and the timer is reset to 0 again once the display is refreshed. As long as the displayed alarm at least displays one flicker protection period T2 period, namely refreshes after the flicker protection period T2, the flicker can be avoided
If the alarm has displayed the time of T2, setting the display state to the first display state and updating the alarm information display; otherwise, the T2 time is waited to reach the re-updating state and display. The problem of alarm symbol flickering is avoided, the recognition of the alarm symbol by the user is influenced, and therefore the perception of the alarm by the user is possibly influenced.
Although the present invention has been described with reference to the preferred embodiments, it is not limited thereto. Various changes and modifications within the spirit and scope of the present invention will become apparent to those skilled in the art from this disclosure, and it is intended that the scope of the present invention be defined by the appended claims.
Claims (9)
1. The alarm display device is characterized by comprising a controller and a display screen connected with the controller, wherein the display screen is provided with an alarm display area which comprises N display positions; the controller acquires alarm states of alarms, and comprises an alarm state information list which comprises M alarm state information, wherein M is greater than N, and the state information comprises alarm states and display states of corresponding alarms;
the display states include a first display state, a second display state, a third display state and a fourth display state, the first display state represents that display is not needed, the second display state represents that the alarm information display area is being displayed, the third state represents that at least one display period T1 is displayed but not currently displayed, and the fourth display state represents that display is needed but not displayed;
and when the display period T1 is not reached, updating the corresponding alarm state in the alarm information list:
-setting its display state to a fourth display state for an alarm changing from off to on;
-setting its display state to a first display state for an alarm changing from on to off, and updating the alarm display of the alarm display area if its display state is a second display state.
2. The alarm display device of claim 1, wherein the M alarms have different display priorities.
3. The alarm display device of claim 1, wherein the controller further comprises a first timer set to a display period T1 for the alarm display area.
4. The warning display apparatus of claim 3, wherein if the display period T1 is reached,
-setting the display state of the alarm with the display state being the second display state to a third display state;
-setting N display bits available.
5. The alarm display device of claim 4,
-if there is an alarm whose display status is the fourth display status,
if the alarm display area has available display bits, updating the alarm display of the alarm display area;
o if the alarm display area does not have a display bit available, the following alarm is present: the display priority of the alarm is higher than that of the alarm with all display states as the second display state, and the alarm display of the alarm display area is updated;
-setting the alarm of the third display state to the fourth display state if the alarm of the fourth display state is not present.
6. The alarm display device of claim 5, wherein updating the alarm display of the alarm display area comprises the steps of:
-setting the display state of the alarm with the display state being the second display state to a fourth display state;
-selecting in the alarm information list the alarms with alarm status of on and at most N alarms with highest display priority;
-displaying the selected alarm in the alarm display area according to the display priority and setting the display status to the second display status;
-starting a first timer.
7. The alarm display device of claim 1, wherein the controller further comprises N second timers, each corresponding to one of the display bits, set as a blinking protection period T2 for the alarm display region.
8. The alarm display device according to claim 7, wherein for an alarm changing from on to off, if its display state is the second display state,
-the second timer corresponding to the display bit has reached the flicker protection period T2;
-updating the alarm display of the alarm display area.
9. A meter, characterized in that the meter comprises an alarm display device according to any one of claims 1-8.
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| CN201811629575.4A CN109774476B (en) | 2018-12-28 | 2018-12-28 | Alarm display device and instrument |
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| CN201811629575.4A CN109774476B (en) | 2018-12-28 | 2018-12-28 | Alarm display device and instrument |
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| CN109774476A CN109774476A (en) | 2019-05-21 |
| CN109774476B true CN109774476B (en) | 2021-10-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110549851B (en) * | 2019-09-17 | 2020-11-24 | 浙江吉利汽车研究院有限公司 | Control method and device for automobile liquid crystal instrument alarm lamp display |
| CN111508046B (en) * | 2020-03-13 | 2023-08-22 | 重庆利龙中宝智能技术有限公司 | Vehicle alarm icon drawing method, system and storage medium based on OpenGL |
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| CN105210025A (en) * | 2013-03-15 | 2015-12-30 | 博世汽车服务解决方案公司 | Graphical user interface with various functions |
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| US7609152B2 (en) * | 2007-08-24 | 2009-10-27 | Paccar Inc | Error handling for multi-functional display |
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| JP5613472B2 (en) * | 2010-06-17 | 2014-10-22 | 矢崎総業株式会社 | Vehicle display device |
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| KR102015688B1 (en) * | 2012-06-27 | 2019-08-28 | 닛폰 세이키 가부시키가이샤 | Information providing device for vehicle |
| KR102241297B1 (en) * | 2014-08-27 | 2021-04-16 | 삼성전자주식회사 | Method for controlling and an electronic device thereof |
| CN105216626A (en) * | 2015-09-28 | 2016-01-06 | 万永秀 | The intelligent instruments in vehicles of battery-driven car |
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| CN103832330A (en) * | 2012-11-26 | 2014-06-04 | 比亚迪股份有限公司 | Vehicle alarm device and method |
| CN105210025A (en) * | 2013-03-15 | 2015-12-30 | 博世汽车服务解决方案公司 | Graphical user interface with various functions |
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