CN102494728B - Metering assisting system and metering method for automobile fuel meter - Google Patents
Metering assisting system and metering method for automobile fuel meter Download PDFInfo
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- CN102494728B CN102494728B CN201110449242.5A CN201110449242A CN102494728B CN 102494728 B CN102494728 B CN 102494728B CN 201110449242 A CN201110449242 A CN 201110449242A CN 102494728 B CN102494728 B CN 102494728B
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Abstract
The invention discloses a metering assisting system and a metering method for an automobile fuel meter, and belongs to an assisting device for the automobile fuel meter. The system comprises a signal conversion module, a central processing module and a display control module, wherein the display control module and the signal conversion module are connected with the central processing module respectively; the central processing module is also connected with a power supply and a storage device; the power supply is used for supplying power to the whole system; the signal conversion module is used for outputting a converted automobile fuel capacity digital signal to the central processing module; the central processing module is used for storing the fuel capacity digital signal into the storage device, and simultaneously outputting the fuel capacity digital signal to the display control device; and the display control device is used for converting the fuel capacity digital signal into a visual image. The metering assisting system for the automobile fuel meter has a simple structure, and can be integrated in a fuel path system of any vehicle type. The metering method for the system is definite and wide in application range.
Description
Technical field
The present invention relates to a kind of servicing unit of meter oil device of automobile, more particularly, the present invention relates generally to a kind of meter for automobile oil device metering backup system and metering method thereof.
Background technology
Along with the development of Domestic Automotive Industry, on automobile, the improvement of each parts and servicing unit also emerges in an endless stream, and the improvement on its oil quantity metering is far from, the technical development of other parts is rapid, and there is various deficiency in existing automobile oil gauge measuring device, the one that the automobile meter oil device such as generally used at present is popular installs a floating drum in fuel tank, floating drum connects a Metallic rod, the afterbody of Metallic rod is connected to a variable resistor through a removable contact, and then be connected on automobile oil mass table, the change of pontoon position is reflected in the change of variable resistor resistance, by the information of oil mass increase and decrease in fuel level gauge display automobile fuel tank.Although this automobile meter oil device is easy to use, this kind of automobile meter oil device utilizes Analog Electronics Technique to indicate fuel tank fuel quantity by mechanical indicating pointer, and display precision is low, poor anti jamming capability, display are not directly perceived.Another kind installs a sensor in fuel tank, by sensor by information transmission how many for oil mass existing in fuel tank to embedded central processing unit, then by central processing unit, the information transmission of oil mass existing in fuel tank is shown the plus-minus of oil mass in fuel tank to digital display screen.Although this automobile meter oil device solves the drawback of popular automobile meter oil device, it installs still complicated, and again because want sensor installation, cost is still high.
Automobile meter oil device simultaneously owing to generally using install complicated, cost is very high, display precision is low, poor anti jamming capability, display are not directly perceived; Moreover government bodies, enterprises and institutions, logistics company utility car existing as write out falsely the problem such as invoice, private bus with in oily, reduce vehicle management efficiency, have impact on financial management and the accounting of unit.
For the problems referred to above, be necessary to do further improvement for the oil quantity metering of automobile.
Summary of the invention
An object of the present invention is to solve above-mentioned deficiency, provides a kind of and makes the automobile oil mass metering a kind of oil of the meter for automobile device metering backup system and metering method thereof more accurately.
For solving above-mentioned technical matters, the present invention by the following technical solutions:
One aspect of the present invention provides a kind of meter for automobile oil device metering backup system, described system comprises signal conversion module, central processing module and display control unit, display control unit and signal conversion module access central processing module all respectively, and central processing module also accesses power supply and memory storage respectively; Power supply is used for powering to whole system, signal conversion module is used for the automobile oil mass digital signal after by conversion and exports central processing module to, central processing module is used for oil mass digital signal to be stored in memory storage, and exporting oil mass digital signal to display control unit simultaneously, display control unit is used for oil mass digital signal to be converted to visual pattern.
Further technical scheme is: the fuel level gauge signal wire of described signal conversion module access automobile meter oil device.
Further technical scheme is: the measurement unit being provided with multiple automabile measuring device in described memory storage, performs the fixing volume of control program to automotive oil tank demarcate by central processing module.
Further technical scheme is: described signal conversion module at least comprises pulse signal amplifier and analog to digital converter, they are interconnected composition change-over circuit, and pulse signal amplifier is converted to oil mass digital signal by analog to digital converter after being amplified by the pulse signal collected.
Further technical scheme is: described display control unit is touch LCD screen, and touch LCD screen is provided with virtual push button, central processing module can be made to perform fixing control program by virtual push button.
Further technical scheme is: described display control unit is LCDs and supervisory keyboard, supervisory keyboard access LCDs, and central processing module can be made to perform fixing control program by supervisory keyboard.
Further technical scheme is: be integrated with video and music entertainment system in described display control unit, video and music entertainment system comprises LCDs, control panel, memory body, memory body impact damper, video encoder, with the controller of control panel control linkage and the stereo set with control panel control linkage, and memory body and memory body impact damper access video encoder, video encoder access LCDs.
Further technical scheme is: described central processing module is embedded scm, and is also provided with Voltage stabilizing module between power supply and central processing module.
Further technical scheme is: described memory storage also arranges output interface, and described output interface is serial communication interface or USB interface.
The present invention provides a kind of submeter method utilizing the oil of the meter for the automobile device metering backup system described in claim 1 to 9 to realize on the other hand, it is characterized in that: described method is carried out according to following step:
Steps A, when after system electrification, central processing module is made to perform fixing control program by display control unit, control program by comparing the pulse signal coming from automobile oil mass table signal wire that signal conversion module collects first, thus is demarcated the volume of fuel tank;
Step B, signal conversion module continue the pulse signal gathering automobile oil mass table signal wire, and this pulse signal is converted to oil mass digital data transmission in central processing module;
After step C, central processing module receive oil mass digital signal, oil mass digital signal is stored in memory storage as oil mass plus-minus information, memory storage exports this oil mass plus-minus information by its output interface, meanwhile oil mass digital signal is also converted to visual pattern by display control unit by central processing module, and the oil mass plus-minus that the oil mass digital signal that the visual pattern on display control unit exports according to signal conversion module reflects changes and changes.
Compared with prior art, the invention has the beneficial effects as follows: be converted to oil mass digital signal by the pulse signal collected by the fuel level gauge signal wire from automobile meter oil device, by Single-chip Controlling, oil mass information is shown with LCDs again, the plus-minus of oil mass in real-time accurately display automobile fuel tank, and be conducive to the management of gasoline amount, directly can utilize the oil piping system integrated installation of former car, installation difficulty is low, and the module in system all adopts universality general electronic corporation element, production cost is lower, video and music entertainment system integrated in display control unit can make this system have amusement function concurrently, a kind of oil of the meter for automobile device metering backup system structure provided by the present invention is simple simultaneously, also accessible site is installed on the oil piping system of any vehicle, and system meters method is clear and definite, range of application is wide.
Accompanying drawing explanation
Fig. 1 is system architecture diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
Embodiment one
Shown in figure 1, this kind of embodiment of the present invention to provide a kind of meter for automobile oil device metering backup system, described system comprises signal conversion module, central processing module and display control unit, display control unit and signal conversion module access central processing module all respectively, and central processing module also accesses power supply and memory storage respectively; Power supply is used for powering to whole system, signal conversion module is used for the automobile oil mass digital signal after by conversion and exports central processing module to, central processing module is used for oil mass digital signal to be stored in memory storage, and exporting oil mass digital signal to display control unit simultaneously, display control unit is used for oil mass digital signal to be converted to visual pattern.
And above-mentioned mentioned one meter oily device metering backup system is applied on automobile, its application mode signal conversion module is accessed the fuel level gauge signal wire of automobile meter oil device, and the change-over circuit that signal conversion module preferentially adopts pulse signal amplifier and analog to digital converter to form, pulse signal amplifier is converted to oil mass digital signal by analog to digital converter after being amplified by the pulse signal collected, in other words, preferred as the above-mentioned signal conversion module mentioned, at least pulse signal amplifier and analog to digital converter should be comprised in signal conversion module, or with the parts that they are similar.
And be enable the meter for automobile of the present invention oil device metering backup system be applied in the oil piping system of various types of automobile, the present inventor thinks than being more preferably the measurement unit arranging multiple automabile measuring device in above-mentioned memory storage with simple technical scheme, perform the fixing volume of control program to automotive oil tank by central processing module to demarcate, after completing, accurate-metering can be carried out according to the pulse signal in different automobile oil mass table signal wire.And above-mentioned display control unit adopts in the present embodiment is that LCDs and supervisory keyboard form, supervisory keyboard access LCDs, central processing module can be made to perform fixing control program by supervisory keyboard, namely make central control module complete aforementioned function of demarcating the fuel tank volume of automobile by supervisory keyboard.
Here for ensureing that the present invention implements under the prerequisite of low cost, inventor thinks that above-mentioned central processing module preferably adopts embedded scm technology, namely described central processing module is embedded scm, and between power supply and central processing module, be also provided with Voltage stabilizing module, system is run under stable voltage status, and power supply is preferably 12V or 24V to the voltage of system power supply, and any voltage device or battery can be adopted to power.
The present inventor thinks that above-mentioned technical scheme has been enough to solve at least one technical matters to be solved by this invention, and can realize at least one technique effect of expection.
Embodiment two
Comparatively one of preferred embodiment that the present embodiment is thought for inventor, still with reference to shown in figure 1, similar with embodiment one, this kind of embodiment of the present invention remains will provide a kind of meter for automobile oil device metering backup system, described system comprises signal conversion module, central processing module and display control unit, display control unit and signal conversion module access central processing module all respectively, and central processing module also accesses power supply and memory storage respectively; Power supply is used for powering to whole system, signal conversion module is used for the automobile oil mass digital signal after by conversion and exports central processing module to, central processing module is used for oil mass digital signal to be stored in memory storage, and exporting oil mass digital signal to display control unit simultaneously, display control unit is used for oil mass digital signal to be converted to visual pattern.
And above-mentioned mentioned one meter oily device metering backup system is applied on automobile, its application mode signal conversion module is accessed the fuel level gauge signal wire of automobile meter oil device, and the change-over circuit that signal conversion module preferentially adopts pulse signal amplifier and analog to digital converter to form, pulse signal amplifier is converted to oil mass digital signal by analog to digital converter after being amplified by the pulse signal collected, in other words, preferred as the above-mentioned signal conversion module mentioned, at least pulse signal amplifier and analog to digital converter should be comprised in signal conversion module, or with the parts that they are similar, the model of the pulse signal amplifier of reference can be AD620AN, the model of analog to digital converter can be TLC1549CP.
And be enable the meter for automobile of the present invention oil device metering backup system be applied in the oil piping system of various types of automobile, the present inventor thinks than being more preferably the measurement unit arranging multiple automabile measuring device in above-mentioned memory storage with simple technical scheme, perform the fixing volume of control program to automotive oil tank by central processing module to demarcate, collection can be carried out after completing according to the pulse signal in different automobile oil mass table signal wires and accurate-metering.
With embodiment one difference be, what the display control unit in present embodiment adopted is touch LCD screen, touch LCD screen is provided with virtual push button, central processing module can be made to perform fixing control program by virtual push button, namely the virtual push button by touch LCD screen is arranged makes central control module complete above-mentioned demarcating the fuel tank volume of automobile, exactly, be by the LCDs in embodiment one and supervisory keyboard with the form integrated adopt touch LCD screen by them substitute, like this can the quantity of device in saving system, more easy to use, also reduce production and the installation cost of system simultaneously, size can be adopted in actual applications to be the colorful digital touching liquid-crystal display screen of 7 inches.
Also it should be noted that, for realizing the management function of the meter for automobile of the present invention oil device metering backup system for gasoline amount, above-mentioned memory storage can also arrange output interface, output interface can be selected arbitrarily at serial communication interface and USB interface or arrange respectively according to different situations, can be derived or directly print the oil mass increase and decrease data stored in memory storage by serial communication interface or USB interface.
For ensureing that the present invention implements under the prerequisite of low cost, inventor thinks that above-mentioned central processing module preferably adopts embedded scm technology, what namely described central processing module adopted is embedded scm, reference model can be STM32F103, and between power supply and central processing module, be also provided with Voltage stabilizing module, system is run under stable voltage status, and power supply is preferably 12V or 24V to the voltage of system power supply, and any voltage device or battery can be adopted to power.
Meter for automobile oil device metering backup system of the present invention also can have amusement function concurrently simultaneously, the mode of specific implementation is integrated video and music entertainment system in aforesaid display control unit, video and music entertainment system comprises LCDs, control panel, memory body, memory body impact damper, video encoder, with the controller of control panel control linkage and the stereo set with control panel control linkage, and memory body and memory body impact damper access video encoder, video encoder access LCDs.Wherein control panel can be referenced as the supervisory keyboard adopted in embodiment one, also can the touch LCD screen of replacement liquid crystal display screen and supervisory keyboard in reference example two, makes it have concurrently to control and the function of display.
Embodiment three
This kind of embodiment of the present invention to provide a kind of method utilizing two kinds of above-mentioned embodiments to realize automobile meter oil device metering submeter, and described method is carried out according to following step:
Steps A, when after system electrification, central processing module is made to perform fixing control program by display control unit, control program by comparing the pulse signal coming from automobile oil mass table signal wire that signal conversion module collects first, thus is demarcated the volume of fuel tank;
Step B, signal conversion module continue the pulse signal gathering automobile oil mass table signal wire, and this pulse signal is converted to oil mass digital data transmission in central processing module;
After step C, central processing module receive oil mass digital signal, oil mass digital signal is stored in memory storage as oil mass plus-minus information, memory storage exports this oil mass plus-minus information by its output interface, meanwhile oil mass digital signal is also converted to visual pattern by display control unit by central processing module, and the oil mass plus-minus that the oil mass digital signal that the visual pattern on display control unit exports according to signal conversion module reflects changes and changes.
In addition, also it should be noted that, spoken of in this manual " embodiment ", " another embodiment ", " embodiment ", etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (5)
1. the oil of the meter for an automobile device metering backup system, described system comprises signal conversion module, central processing module and display control unit, display control unit and signal conversion module access central processing module all respectively, and central processing module also accesses power supply and memory storage respectively; Power supply is used for powering to whole system, signal conversion module is used for the automobile oil mass digital signal after by conversion and exports central processing module to, central processing module is used for oil mass digital signal to be stored in memory storage, and exports oil mass digital signal to display control unit simultaneously; It is characterized in that:
Be provided with the measurement unit of multiple automabile measuring device in described memory storage, the pulse signal collected first according to signal conversion module by the control program that central processing module execution is fixing is compared, thus demarcates the volume of automotive oil tank,
Described display control unit is the touch LCD screen being integrated with video and music entertainment system, and described touch LCD screen is provided with virtual push button, central processing module can be made to perform described fixing control program by described virtual push button,
Described display control unit is used for oil mass digital signal to be converted to visual pattern, and the visual pattern on described display control unit changes according to the oil mass plus-minus that the oil mass digital signal that signal conversion module exports reflects and changes;
Described video and music entertainment system comprises the control panel, memory body, memory body impact damper, the video encoder that are made up of described touch LCD screen, with the controller of control panel control linkage and the stereo set with control panel control linkage, and memory body and memory body impact damper access video encoder, video encoder accesses described touch LCD screen.
2. the oil of the meter for automobile device metering backup system according to claim 1, is characterized in that: the fuel level gauge signal wire of described signal conversion module access automobile meter oil device.
3. the oil of the meter for automobile device metering backup system according to claim 1 and 2, it is characterized in that: described signal conversion module at least comprises pulse signal amplifier and analog to digital converter, they are interconnected composition change-over circuit, and pulse signal amplifier is converted to oil mass digital signal by analog to digital converter after being amplified by the pulse signal collected.
4. the oil of the meter for automobile device metering backup system according to claim 1 and 2, is characterized in that: described central processing module is embedded scm, and is also provided with Voltage stabilizing module between power supply and central processing module.
5. the oil of the meter for automobile device metering backup system according to claim 1 and 2, it is characterized in that: described memory storage also arranges output interface, described output interface is serial communication interface.
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| CN201110449242.5A CN102494728B (en) | 2011-12-29 | 2011-12-29 | Metering assisting system and metering method for automobile fuel meter |
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| CN201110449242.5A CN102494728B (en) | 2011-12-29 | 2011-12-29 | Metering assisting system and metering method for automobile fuel meter |
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| CN102494728B true CN102494728B (en) | 2015-06-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692639Y (en) * | 2003-04-18 | 2005-04-13 | 北京伟航新技术开发有限公司 | Fuel oil level recorder |
| CN201084201Y (en) * | 2007-09-14 | 2008-07-09 | 翟荣全 | Automobile fuel recorder |
| CN201672957U (en) * | 2010-05-06 | 2010-12-15 | 车延博 | Automobile fuel meter digitalized device |
| CN201885773U (en) * | 2010-11-09 | 2011-06-29 | 上海龙珠器械科技有限公司 | GPS (Global Positioning System) digital automobile fuel metering system |
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2011
- 2011-12-29 CN CN201110449242.5A patent/CN102494728B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692639Y (en) * | 2003-04-18 | 2005-04-13 | 北京伟航新技术开发有限公司 | Fuel oil level recorder |
| CN201084201Y (en) * | 2007-09-14 | 2008-07-09 | 翟荣全 | Automobile fuel recorder |
| CN201672957U (en) * | 2010-05-06 | 2010-12-15 | 车延博 | Automobile fuel meter digitalized device |
| CN201885773U (en) * | 2010-11-09 | 2011-06-29 | 上海龙珠器械科技有限公司 | GPS (Global Positioning System) digital automobile fuel metering system |
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| CN102494728A (en) | 2012-06-13 |
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Effective date of registration: 20210224 Address after: 503 (5C), building D3, TCL Science Park, 1001 Zhongshan Garden Road, Shuguang community, Xili street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Jiangyuan Technology (Group) Co.,Ltd. Address before: 518104 1st, 2nd and 3rd floors, building 3, Heyi community and Yigong City, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ROCO ELECTRONIC Co.,Ltd. |