CN104417367A - Automobile engine coolant temperature display, early-warning and alarming system and method - Google Patents
Automobile engine coolant temperature display, early-warning and alarming system and method Download PDFInfo
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- CN104417367A CN104417367A CN201310360872.4A CN201310360872A CN104417367A CN 104417367 A CN104417367 A CN 104417367A CN 201310360872 A CN201310360872 A CN 201310360872A CN 104417367 A CN104417367 A CN 104417367A
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Abstract
The invention relates to an automobile engine coolant temperature display, early-warning and alarming system and method. The system comprises a liquid crystal display module, an engine system module, a traveling computer switch and an alarming module, wherein the engine system module is used for providing vehicle state information and coolant temperature information to the liquid crystal display module; the liquid crystal display module is used for displaying the vehicle state information or coolant temperature information according to control of the traveling computer switch or the coolant temperature information from the engine system module; the traveling computer switch is used for switching the liquid crystal display module to display the vehicle state information and the coolant temperature information; the alarming module is used for performing alarming actions in different manners according to the coolant temperature information.
Description
Technical field
The present invention relates to technical field of automotive electronics, relate to pre-alarm system and the method thereof of engine coolant temperature in a kind of driver information system particularly.
Background technology
Automobile instrument system is the important connection that chaufeur and automobile carry out information interaction, and instrument is positioned at first of chaufeur within sweep of the eye, comprises average speed indicator, speed gage, oil measurer, and vehicle be correlated with each alert lamp, LCDs the function such as prompting.
Along with the quickening of social rhythm, a lot of compact car has become the selection of a lot of people, economical and practical, become good walking-replacing tool, such automobile interior is succinctly comfortable, from part unit price to the advantage of car load unit price, be the first-selection of most people, meter system is also relatively succinct.
For relatively succinct meter system, only containing less segment encode read-out, and there is no larger LCDs to realize more prompt facility, traditional compact car also determines a lot of instrument and does not comprise cooling-liquid temperature indicator gauge, the warning high for engine coolant temperature is realized by the mode of signal lamp, alarm lamp is activated when the temperature of engine coolant reaches certain high temperature alarm threshold value, the current engine system existing problems of prompting chaufeur, cooling-liquid temperature has reached a high temperature state, need parking inspection, but such type of alarm better can't give the prompting of chaufeur cooling-liquid temperature situation, when chaufeur can be caused to find, engine coolant temperature has raised for a long time, have impact on the safety of driving to a certain extent and bring the possibility of engine system progression of failure.
For such meter system, before alarm lamp is lit, namely Engine Coolant Temperature continues rising trend chaufeur can not be allowed to know in advance, chaufeur present engine cooling-liquid temperature so just can not be reminded to exist continue the trend raised, thus cannot cause the attention of chaufeur.
If containing engine coolant temperature indicator gauge in other vehicles a lot, with pointer form or Section code display model, in engine coolant temperature normal range, pointer can indicate in a certain range of temperatures always, or segment encode is shown as a few sections, in cooling-liquid temperature normal range, the pointer flickered or the corresponding light on and off of segment encode, capital causes chaufeur constantly to go in the process of moving to pay close attention to water thermometer, does not notice the phenomenon of current state variation tendency when preventing constant temperature from raising.
Summary of the invention
The present invention is directed to early warning and the warning problem of the engine coolant temperature rising that the meter system on present compact car exists, propose a kind of display by car running computer function, increase the alarm mode by raising trend at liquid crystal display screen display engine coolant temperature.
Automobile engine cooling liquid Temperature displaying of the present invention, early warning and warning, comprising: LCD MODULE, engine system module, car running computer switch and alarm module,
Wherein, described engine system module is used for providing car status information and cooling-liquid temperature information to described LCD MODULE,
Described LCD MODULE is used for according to the control of described car running computer switch or carries out the display of car status information and the display of cooling-liquid temperature information according to the chilling temperature information switching from described engine system module;
Described car running computer switch can be used in switching the display of car status information display that described LCD MODULE carries out and cooling-liquid temperature information;
Described alarm module is used for the actuation of an alarm carrying out different modes according to described cooling-liquid temperature information.
Preferably, described LCD MODULE, when described cooling-liquid temperature reaches the first defined threshold, without the switching of described car running computer switch, is directly switch to the display of cooling-liquid temperature information, to show the temperature of current refrigerant fluid, and display mode is normal aobvious.
Preferably, described LCD MODULE, when described cooling-liquid temperature reaches the second defined threshold, without the switching of described car running computer switch, is directly switch to the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency.
Preferably, described alarm module comprises alarm lamp and buzzer phone.
Preferably, described LCD MODULE is when described cooling-liquid temperature reaches the 3rd defined threshold, carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency, meanwhile, described buzzer phone sends alarm sound and described alarm lamp is lighted.
Preferably, described LCD MODULE is when described cooling-liquid temperature reaches the 4th defined threshold, carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency, meanwhile, described buzzer phone sends alarm sound and described alarm lamp is glimmered.
Preferably, described first defined threshold, the second defined threshold, the 3rd defined threshold, the 4th defined threshold be followed successively by from little greatly to temperature value,
Preferably, described LCD MODULE, when described cooling-liquid temperature does not reach described first defined threshold, carries out the display of car status information according to the control of described car running computer switch and does not carry out the display of cooling-liquid temperature information.
Automobile engine cooling liquid Temperature displaying of the present invention, early warning and alarm method, is characterized in that, comprise step:
Cooling-liquid temperature signal acquisition step, obtains engine coolant temperature signal from engine system module;
Cooling-liquid temperature discriminating step, judges whether current cooling-liquid temperature is the first defined threshold;
Display, early warning and alarming step, if when current cooling-liquid temperature does not reach described first defined threshold, LCD MODULE is made to carry out the display of car status information and do not carry out the display of cooling-liquid temperature information or switchably carry out the display of car status information and the display of cooling-liquid temperature information according to the control of described car running computer switch; If when current cooling-liquid temperature reaches described first defined threshold, carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid.
Preferably, in described cooling-liquid temperature signal discriminating step, judge whether current cooling-liquid temperature reaches the second defined threshold further,
When judging that current cooling-liquid temperature reaches the second defined threshold, in described display, early warning and alarming step, make LCD MODULE be directly switch to the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency.
Preferably, in described cooling-liquid temperature signal discriminating step, judge whether current cooling-liquid temperature reaches the 3rd defined threshold further,
When judging that current cooling-liquid temperature reaches the 3rd defined threshold, in described display, early warning and alarming step, LCD MODULE is made to carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency, meanwhile, make buzzer phone send alarm sound and alarm lamp is lighted.
Preferably, in described cooling-liquid temperature signal discriminating step, judge whether current cooling-liquid temperature reaches the 4th defined threshold further,
When judging that current cooling-liquid temperature reaches the 4th defined threshold, in described display, early warning and alarming step, LCD MODULE is made to carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency, meanwhile, make buzzer phone send alarm sound and alarm lamp is glimmered.
According to the present invention, can realize checking engine coolant temperature from operation driving computer switch, to carrying out the early warning of temperature ascendant trend, arrive high temperature alarm again, effectively save the cost per unit of part, the function of early warning and warning can be played efficiently, in temperature normal range, chaufeur can not pay close attention to the state of temperature of engine coolant completely, if when temperature rises to and chaufeur should be reminded to note, LCDs directly enters this page, and chaufeur is now paid close attention to again just can judge the situation that vehicle travels in advance.
Accompanying drawing explanation
Fig. 1 is the organigram representing automobile engine cooling liquid Temperature displaying of the present invention, early warning and warning.
Fig. 2 is the schematic diagram of the switching representing the car running computer page.
Detailed description of the invention
What introduce below is some in multiple embodiment of the present invention, aims to provide basic understanding of the present invention.Be not intended to confirm key of the present invention or conclusive key element or limit claimed scope.
Fig. 1 is the organigram representing automobile engine cooling liquid Temperature displaying of the present invention, early warning and warning.As shown in Figure 1, automobile engine cooling liquid Temperature displaying of the present invention, early warning and warning comprise: launching system module 100, car running computer switch 200, LCD MODULE 300 and alarm module 400, wherein, LCD MODULE 300 and alarm module 400 are the primary members forming driving information display system module (i.e. meter system).Information interaction is carried out between launching system module 100 and driving information display system module and meter system.Alarm module 400 can comprise alarm lamp and buzzer phone, to carry out the warning of display and sound two aspect.
Car running computer switch 200 can realize the switching between each formation computer function, first the page of engine coolant temperature display will be designed and developed in driving computer function, by operation driving computer switch, can be shown to engine coolant temperature by the page layout switch of current display on LCDs, chaufeur can be checked whenever necessary.
In the display page of engine coolant temperature, can upgrade and show the engine coolant temperature value of current state, the switching of the car running computer page can with reference to Fig. 2.Fig. 2 is the schematic diagram of the switching representing the car running computer page.Each money vehicle has market orientations different separately and functional configuration, car running computer function is also different, Fig. 2 is exemplary reference, chaufeur can choose by the operation of car running computer switch the function and display that need to check, wherein just switch to engine coolant temperature display page, engine coolant temperature will be shown on this page, current Temperature displaying value, and temperature unit.
Launching system module 100 will be carried out alternately according to the value of the good engine coolant temperature of the regular transmission processing of procotol and meter system, instrument shows on LCDs according to the value of engine coolant temperature, if now current page is engine coolant temperature display page certainly, if current page is not engine coolant temperature display page, this value also will show at this page, temporarily cannot see when user does not carry out car running computer operation.
When engine coolant temperature is in normal temperature range, instrument there will not be relevant display and alarm message, chaufeur need not as the instrument containing engine coolant temperature indicator often go observe water temperature display lattice number or pointer instruction position.Namely, if when current cooling-liquid temperature does not reach a certain temperature and the first following defined threshold, make LCD MODULE carry out the display of car status information and not carry out the display of cooling-liquid temperature information, or also can be switchably carry out the display of car status information and the display of cooling-liquid temperature information according to the control of described car running computer switch.
When engine coolant temperature is in ascendant trend always, and temperature value reaches the first defined threshold I(such as 105 degrees Celsius that a certain temperature raises, actual temp is not limited in the present invention), the car running computer information page of no matter liquid crystal display screen display is any one page, require no the operation of car running computer switch 200, be directly switch to the page of engine coolant temperature display, and show the temperature of present engine refrigerant fluid, display mode is normal aobvious, prompting chaufeur current engine coolant temperature presents ascendant trend and close to high temperature alarm, chaufeur is caused to note the warning of engine coolant temperature in the process of moving, or first can stop before warning lighted by engine coolant alarm lamp and check.
When engine coolant temperature rises always, and temperature value reaches the second defined threshold II(such as 115 degrees Celsius being greater than described first defined threshold, actual temp is not limited in the present invention), current page directly enters the page of engine coolant temperature display, and show the temperature of present engine refrigerant fluid, display mode is flicker, current temperature value is according to the flicker of fixing frequency (such as 2HZ), the temperature value of display carries out upgrading and glimmering according to the temperature value of reality, the threshold value of blink states very proximity sensing lamp activation, chaufeur is caused to note the warning of engine coolant temperature in the process of moving, or just first can stop before engine coolant temperature height alarm lamp is lighted and check.
Above before alarm lamp is activated, use Liquid Crystal Display to current be the early warning of lasting increasing state at cooling-liquid temperature, can chaufeur be helped to understand engine running condition in vehicle operation by actv., prompt facility combination instrument having engine coolant temperature indicator can be simulated, do not need larger read-out can realize yet
When chaufeur continues steering vehicle, engine coolant temperature rises always, and temperature value reaches the 3rd defined threshold III(such as 120 degrees Celsius being greater than described second defined threshold, actual temp is not limited in the present invention), now LCDs is still at the page of engine coolant temperature display, and show present engine cooling-liquid temperature, display state is flicker, simultaneously, alarm module 400 in meter system is activated, namely alarm lamp be activated and light while buzzer phone send alarm sound, prompting chaufeur needs at present to stop as early as possible and carries out vehicle inspection.
When chaufeur continues steering vehicle, engine coolant temperature rises to the 4th defined threshold IV(such as 124.5 degrees Celsius being greater than described 3rd defined threshold, actual temp is not limited in the present invention), the page of now LCDs display engine coolant temperature, and be shown as present engine cooling-liquid temperature, display state is flicker, simultaneously, alarm module 400 in meter system is activated, alarm lamp glimmers, and with alarm sound, prompting chaufeur engine coolant temperature is high, need stop and check.
More than can realize checking engine coolant temperature from operation driving computer switch, to carrying out the early warning of temperature ascendant trend, arrive high temperature alarm again, effectively save the cost per unit of part, the function of early warning and warning can be played efficiently, in temperature normal range, chaufeur can not pay close attention to the state of temperature of engine coolant completely, if when temperature rises to and chaufeur should be reminded to note, LCDs directly enters this page, and chaufeur is now paid close attention to again just can judge the situation that vehicle travels in advance.
Below, automobile engine cooling liquid Temperature displaying of the present invention, early warning and alarm method are described.Automobile engine cooling liquid Temperature displaying of the present invention, early warning and alarm method make LCD MODULE 300 carry out the display of car status information or the display of cooling-liquid temperature by the temperature information obtaining engine coolant from engine system module 100, and make the situation exceeding defined threshold carry out early warning, warning.Particularly, automobile engine cooling liquid Temperature displaying of the present invention, early warning and alarm method comprise step:
Cooling-liquid temperature signal acquisition step, obtains engine coolant temperature signal from engine system module 100;
Cooling-liquid temperature discriminating step, judges whether current cooling-liquid temperature is the first defined threshold;
Display, early warning and alarming step, if when current cooling-liquid temperature does not reach described first defined threshold, LCD MODULE is made to carry out the display of car status information and do not carry out the display of cooling-liquid temperature information or switchably carry out the display of car status information and the display of cooling-liquid temperature information according to the control of described car running computer switch; If when current cooling-liquid temperature reaches described first defined threshold, carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is normal aobvious, thus, remind chaufeur current engine coolant to present ascendant trend and immediately high temperature alarm, cause chaufeur to note the warning of engine coolant temperature in the process of moving, or first can stop before engine coolant alarm lamp is lighted and check.
Further, in described cooling-liquid temperature discriminating step, judge whether current cooling-liquid temperature reaches the second defined threshold further, when judging that current cooling-liquid temperature reaches the second defined threshold, then, in described display, early warning and alarming step, LCD MODULE is made to be directly switch to the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency.
Further, in described cooling-liquid temperature signal discriminating step, judge whether current cooling-liquid temperature reaches the 3rd defined threshold further, when judging that current cooling-liquid temperature reaches the 3rd defined threshold, in described display, early warning and alarming step, LCD MODULE is made to carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency, meanwhile, make buzzer phone send alarm sound and alarm lamp is lighted.
Further, in described cooling-liquid temperature signal discriminating step, judge whether current cooling-liquid temperature reaches the 4th defined threshold further, when judging that current cooling-liquid temperature reaches the 4th defined threshold, in described display, early warning and alarming step, LCD MODULE is made to carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency, meanwhile, make buzzer phone send alarm sound and alarm lamp is glimmered.
Automobile engine cooling liquid Temperature displaying of the present invention, early warning and warning and method thereof can solve on compact car does not have engine coolant temperature indicator gauge, LCDs less, cannot to engine coolant temperature warning function when lasting rising.
And, if containing engine coolant temperature indicator gauge in a lot of vehicle, with pointer form or Section code display model, in engine coolant temperature normal range, pointer can indicate in a certain range of temperatures always, or segment encode is shown as a few sections, in cooling-liquid temperature normal range, the pointer flickered or the corresponding light on and off of segment encode, capital is caused needs chaufeur constantly to go in the process of moving to pay close attention to water thermometer, does not notice the phenomenon of current state variation tendency when preventing constant temperature from raising.It is in rising trend that the present invention can be implemented in engine coolant temperature on most of compact car, before the warning that do not reach a high temperature, the prompting chaufeur that can give warning in advance is noted, and the just prompting chaufeur of reporting to the police when producing such as to avoid and note, actv. avoids engine coolant temperature when normal range, and chaufeur constantly need not go the state paying close attention to water thermometer in the process of moving.
Utilize the present invention, effectively can save the cost per unit of part, the function of early warning and warning can be played efficiently, in temperature normal range, chaufeur can not pay close attention to the state of temperature of engine coolant completely, if when temperature rises to and chaufeur should be reminded to note, LCDs directly enters this page, and chaufeur is now paid close attention to again just can judge the situation that vehicle travels in advance.
Above example mainly describes automobile engine cooling liquid Temperature displaying of the present invention, early warning and warning and method thereof.Although be only described some of them the specific embodiment of the present invention, those of ordinary skill in the art should understand, and the present invention can implement with other forms many not departing from its purport and scope.Therefore, the example shown and embodiment are regarded as illustrative and not restrictive, when do not depart from as appended each claim define the present invention spirit and scope, the present invention may contain various amendments and replacement.
Claims (12)
1. automobile engine cooling liquid Temperature displaying, early warning and a warning, comprising: LCD MODULE, engine system module, car running computer switch and alarm module,
Wherein, described engine system module is used for providing car status information and cooling-liquid temperature information to described LCD MODULE,
Described LCD MODULE is used for according to the control of described car running computer switch or carries out the display of car status information and the display of cooling-liquid temperature information according to the chilling temperature information switching from described engine system module;
Described car running computer switch can be used in switching the display of car status information display that described LCD MODULE carries out and cooling-liquid temperature information;
Described alarm module is used for the actuation of an alarm carrying out different modes according to described cooling-liquid temperature information.
2. automobile engine cooling liquid Temperature displaying as claimed in claim 1, early warning and warning, is characterized in that,
Described LCD MODULE is when described cooling-liquid temperature reaches the first defined threshold, without the switching of described car running computer switch, be directly switch to the display of cooling-liquid temperature information, to show the temperature of current refrigerant fluid, and display mode is normal aobvious.
3. automobile engine cooling liquid Temperature displaying as claimed in claim 2, early warning and warning, is characterized in that,
Described LCD MODULE is when described cooling-liquid temperature reaches the second defined threshold, without the switching of described car running computer switch, be directly switch to the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency.
4. automobile engine cooling liquid Temperature displaying as claimed in claim 3, early warning and warning, is characterized in that,
Described alarm module comprises alarm lamp and buzzer phone.
5. automobile engine cooling liquid Temperature displaying as claimed in claim 4, early warning and warning, is characterized in that,
Described LCD MODULE is when described cooling-liquid temperature reaches the 3rd defined threshold, carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency, meanwhile, described buzzer phone sends alarm sound and described alarm lamp is lighted.
6. automobile engine cooling liquid Temperature displaying as claimed in claim 5, early warning and warning, is characterized in that,
Described LCD MODULE is when described cooling-liquid temperature reaches the 4th defined threshold, carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency, meanwhile, described buzzer phone sends alarm sound and described alarm lamp is glimmered.
7. automobile engine cooling liquid Temperature displaying as claimed in claim 6, early warning and warning, is characterized in that,
Described first defined threshold, the second defined threshold, the 3rd defined threshold, the 4th defined threshold be followed successively by from little greatly to temperature value.
8. the automobile engine cooling liquid Temperature displaying as described in claim 1 ~ 7 any one, early warning and warning, is characterized in that,
Described LCD MODULE when described cooling-liquid temperature does not reach described first defined threshold,
Carry out the display of car status information according to the control of described car running computer switch and do not carry out the display of cooling-liquid temperature information or switchably carry out the display of car status information and the display of cooling-liquid temperature information according to the control of described car running computer switch.
9. automobile engine cooling liquid Temperature displaying, early warning and an alarm method, is characterized in that, comprises step:
Cooling-liquid temperature signal acquisition step, obtains engine coolant temperature signal from engine system module;
Cooling-liquid temperature discriminating step, judges whether current cooling-liquid temperature is the first defined threshold;
Display, early warning and alarming step, if when current cooling-liquid temperature does not reach described first defined threshold, LCD MODULE is made to carry out the display of car status information and do not carry out the display of cooling-liquid temperature information or switchably carry out the display of car status information and the display of cooling-liquid temperature information according to the control of described car running computer switch; If when current cooling-liquid temperature reaches described first defined threshold, carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid.
10. automobile engine cooling liquid Temperature displaying as claimed in claim 9, early warning and alarm method, is characterized in that,
In described cooling-liquid temperature signal discriminating step, judge whether current cooling-liquid temperature reaches the second defined threshold further,
When judging that current cooling-liquid temperature reaches the second defined threshold, in described display, early warning and alarming step, make LCD MODULE be directly switch to the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency.
11. automobile engine cooling liquid Temperature displaying as claimed in claim 10, early warning and alarm method, is characterized in that,
In described cooling-liquid temperature signal discriminating step, judge whether current cooling-liquid temperature reaches the 3rd defined threshold further,
When judging that current cooling-liquid temperature reaches the 3rd defined threshold, in described display, early warning and alarming step, LCD MODULE is made to carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency, meanwhile, make buzzer phone send alarm sound and alarm lamp is lighted.
12. automobile engine cooling liquid Temperature displaying as claimed in claim 10, early warning and alarm method, is characterized in that,
In described cooling-liquid temperature signal discriminating step, judge whether current cooling-liquid temperature reaches the 4th defined threshold further,
When judging that current cooling-liquid temperature reaches the 4th defined threshold, in described display, early warning and alarming step, LCD MODULE is made to carry out the display of cooling-liquid temperature information, and show the temperature of current refrigerant fluid, display mode is glimmer with fixed frequency, meanwhile, make buzzer phone send alarm sound and alarm lamp is glimmered.
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| CN104417367B (en) | 2017-08-25 |
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