CN108859741A - The triggering method and fuel-engined vehicle that fuel sensor, fuel oil alert - Google Patents
The triggering method and fuel-engined vehicle that fuel sensor, fuel oil alert Download PDFInfo
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- CN108859741A CN108859741A CN201810215707.2A CN201810215707A CN108859741A CN 108859741 A CN108859741 A CN 108859741A CN 201810215707 A CN201810215707 A CN 201810215707A CN 108859741 A CN108859741 A CN 108859741A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/0321—Fuel tanks characterised by special sensors, the mounting thereof
- B60K2015/03217—Fuel level sensors
- B60K2015/03223—Fuel level sensors comprising at least two level fuel sensors
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- Electromagnetism (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The triggering method and fuel-engined vehicle alerted the invention discloses a kind of fuel sensor, fuel oil.The fuel sensor includes：Controller and multiple probes, wherein the relative positional relationship in multiple probes between the detection angle of each probe and multiple probes is according to preset configuration information setting；Each probe is used to the distance between detection probe position and liquid level in fuel tank data and collects the time data of range data；Controller, for being compared using the range data and time data that are got from each probe with previously stored range data and time data, and determined whether to trigger fuel oil alarm and/or emergency operation according to comparison result, wherein, for prompting the amount of fuel in fuel tank to be in abnormal decline state, emergency operation is in the lock state for controlling the fuel tank for fuel oil alarm.The present invention solves the technical issues of can not issuing in time fuel oil alarm in the case where the amount of fuel in fuel tank declines extremely in the related technology.
Description
Technical field
The present invention relates to car electrics fields, in particular to a kind of fuel sensor, the triggering method of fuel oil alarm
And fuel-engined vehicle.
Background technique
With the light-weight design of large-sized truck fuel tank, the fuel tank of plastic material is more universal.In view of fuel tank
Volume is larger, and the fuel oil of vehicle is stolen in order to prevent, and most of drivers are typically only capable to whether selection is stolen convenient for monitoring fuel oil
Position rest or fuel tank is packaged by adding can and lockset manually, to reduce the stolen wind of fuel oil
Danger.
However, operation complexity when aforesaid operations mode not only increases each oiling, and merely by the anti-of lockset
Robber's ability is limited.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The present invention at least partly embodiment provides the triggering method and fuel oil vapour of a kind of fuel sensor, fuel oil alarm
Vehicle, at least to solve that fuel oil alarm can not be issued in time in the case where the amount of fuel in fuel tank declines extremely in the related technology
The technical issues of.
A wherein embodiment according to the present invention, provides a kind of fuel sensor, including：
Controller and multiple probes, wherein in multiple probes between the detection angle of each probe and multiple probes
Relative positional relationship according to preset configuration information setting；Each probe is used in detection probe position and fuel tank
The distance between liquid level data and the time data for collecting range data；Controller, for being obtained using from each probe
To range data and time data be compared with previously stored range data and time data, and it is true according to comparison result
It is fixed whether to trigger fuel oil alarm and/or emergency operation, wherein fuel oil alarm is for prompting the amount of fuel in fuel tank to be in abnormal
Decline state, emergency operation are in the lock state for controlling the fuel tank.
Optionally, controller is obtained for carrying out summation operation using the range data and time data of each probe acquisition
To the range data and time data got, previously stored range data and time data are read from default storage region,
And the range data that will acquire is compared with previously stored range data, is determined distance change range value and will be obtained
The time data got are compared with previously stored time data, determine time change range value.
Optionally, controller, for working as, distance change range value is greater than the first preset threshold or time change range value is big
When the second preset threshold, the alarm of triggering fuel oil and/or emergency operation.
Optionally, fuel sensor further includes：Controller LAN (CAN) bus transceiver；Controller is also used to true
Determine to trigger by bus signals in the case that CAN bus transceiver is connected with the CAN bus of the entire car controller of current vehicle
The turn signal of vehicle control unit controls current vehicle issues alarm prompt.
Optionally, fuel sensor further includes：Alert element；Element is alerted, for passing through sound under the control of the controller
Signal or optical signal issue fuel oil alarm.
Optionally, fuel sensor further includes：Global system for mobile communications (GSM) component；Controller is also used to pass through
GSM component prompts are alerted with the associated terminal of current vehicle to fuel oil and/or emergency operation is monitored.
Optionally, fuel sensor further includes：Reserve battery；Reserve battery, in the charger for determining current vehicle
It in the case that exception occurs in part, is powered, and is triggered for electric alarm for fuel sensor.
A wherein embodiment according to the present invention additionally provides a kind of triggering method of fuel oil alarm, including：
Each time data popped one's head in collected range data and collect range data in multiple probes are obtained,
In, the relative positional relationship in multiple probes between the detection angle of each probe and multiple probes is according to preset configuration information
Setting；It is compared, is obtained with previously stored range data and time data using the range data and time data that get
To comparison result；Determined whether to trigger fuel oil alarm and/or emergency operation according to comparison result, wherein fuel oil is alerted for mentioning
Show that the amount of fuel in fuel tank is in abnormal decline state, emergency operation is in the lock state for controlling fuel tank.
Optionally, using the range data and time data that get and previously stored range data and time data into
Row compares, and obtaining comparison result includes：Summation operation is carried out using the range data and time data of each probe acquisition, is obtained
The range data and time data got；Previously stored range data and time data are read from default storage region；It will
The range data got is compared with previously stored range data, determines distance change range value, and will acquire
Time data be compared with previously stored time data, determine time change range value.
Optionally, determine whether to trigger fuel oil alarm according to comparison result and/or emergency operation includes：When distance change width
When angle value is greater than the first preset threshold or time change range value greater than the second preset threshold, the alarm of triggering fuel oil and/or emergency
Operation；When distance change range value is less than or equal to the first preset threshold and time change range value is less than or equal to second and presets
When threshold value, refusal triggering fuel oil alarm and/or emergency operation.
Optionally, after being determined whether to trigger fuel oil alarm and/or emergency operation according to comparison result, further include：Really
Determine the CAN bus transceiver built in fuel sensor to be connected with the CAN bus of the entire car controller of current vehicle；Pass through bus
The turn signal that signal triggers vehicle control unit controls current vehicle issues alarm prompt.
Optionally, after being determined whether to trigger fuel oil alarm and/or emergency operation according to comparison result, further include：It is logical
GSM component prompts and the associated terminal of current vehicle built in fuel sensor are crossed to carry out fuel oil alarm and/or emergency operation
Monitoring.
Optionally, in obtaining multiple probes the collected range data of each probe and collect range data when
Between before data, further include：It is abnormal to determine that the power supply device of current vehicle occurs；Enable the reserve battery built in fuel sensor
It is powered, and is triggered for electric alarm for fuel sensor.
A wherein embodiment according to the present invention, additionally provides a kind of fuel-engined vehicle, including：Above-mentioned fuel sensor.
In the present invention at least partly in embodiment, use obtain in multiple probes each collected range data of probe with
And the time data of range data are collected, the phase in multiple probe between the detection angle and multiple probes of each probe
To positional relationship according to preset configuration information setting, and using the range data and time data got with it is previously stored
Range data and time data are compared, and obtain the mode of comparison result, determine whether that triggering fuel oil accuses by comparing result
Alert and/or emergency operation has reached and has integrated alarm function and/or emergency function in fuel sensor so as in fuel tank
Amount of fuel triggers the purpose of fuel oil alarm and/or emergency operation in time in the case where being in abnormal decline state, to realize
It reduces operation complexity, remind user to alert the technical effect adopted an effective measure to fuel oil in time, and then solve related skill
The technical issues of fuel oil alarm can not be issued in time in art in the case where the amount of fuel in fuel tank declines extremely.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the sensor integrated circuit structural schematic diagram of a wherein embodiment according to the present invention；
Fig. 2 is the flow chart of the triggering method of fuel oil alarm according to an embodiment of the present invention；
Fig. 3 is wherein operating condition schematic diagram of the vehicle of a preferred embodiment in level road according to the present invention；
Operating condition schematic diagram when Fig. 4 is the vehicle descending of a wherein preferred embodiment according to the present invention；
Fig. 5 be according to the present invention wherein the vehicle driving up of a preferred embodiment when operating condition schematic diagram.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Fig. 1 is the sensor integrated circuit structural schematic diagram of a wherein embodiment according to the present invention, as shown in Figure 1, fuel oil
Sensor can include but is not limited to：It is multiple (to be hereafter illustrated for three, probe, center probe before being respectively in figure
With rear probe) probe (such as：Radar probe), controller (such as：Singlechip controller), controller LAN (CAN) bus
Transceiver, GSM component, alarm element (such as：Buzzer), voltage-stablizer and built-in reserve battery.Each group in fuel sensor
It is as follows at the concrete function of part：
(1) relative positional relationship in multiple probes between the detection angle and multiple probes of each probe is according to default
Configuration information setting, wherein each probe is used to the distance between liquid level data in detection probe position and fuel tank
And collect the time data of range data.
In general, if only there are two radar, the two radars be located at the middle position above fuel tank and
Fixed angle is formed between the two radars.If more than two radar, multiple radars are mutually fixed angle and can be with
Any position above fuel tank.
(2) controller can include but is not limited to：The processing such as microprocessor (MCU) or programmable logic device (FPGA) dress
It sets, for using the range data and time data and previously stored range data and time data got from each probe
It is compared, and is determined whether to trigger fuel oil alarm and/or emergency operation according to comparison result, wherein fuel oil is alerted for mentioning
Show that the amount of fuel in fuel tank is in abnormal decline state, emergency operation is in the lock state for controlling fuel tank.
Specifically, it firstly, controller carries out summation operation using the range data and time data of each probe acquisition, obtains
To the range data and time data got.Secondly, controller reads previously stored range data from default storage region
With time data.Again, the range data that controller will acquire is compared with previously stored range data, determines distance
The variance values and time data that will acquire are compared with previously stored time data, determine time change amplitude
Value.Then, when distance change range value is greater than the first preset threshold or time change range value is greater than the second preset threshold, control
The alarm of device triggering fuel oil and/or emergency operation processed.
(3) element is alerted, for issuing fuel oil alarm by acoustical signal or optical signal under the control of the controller.
In actual application, the acquisition principle and reversing radar principle that radar probe uses are essentially identical, three thunders
It needs to form certain angle up to probe to be arranged, wherein arrangement angle is fixed.Therefore, on level road, preceding probe
With rear probe detect at a distance from it is identical and be greater than the distance that detects of center probe.There are two the acquisition signal tools of radar probe
Variable is respectively：Time algebraical sum with apart from algebraical sum.And each variable is respectively by three sub- variable (every sub- variables
Respectively correspond a radar probe) final numerical value is calculated by adduction, and be stored in preset group.If current acquisition
To data and the comparison results of previously stored data show that current collected data significantly increase, then can determine accordingly
There is exception in fuel consumption, and then triggers alarm element and issue sound-light alarm.
(4) CAN bus transceiver can be connected with the CAN bus of the entire car controller of current vehicle.Controller passes through
The turn signal of bus signals triggering vehicle control unit controls current vehicle carries out flashing and issues alarm prompt.
(5) GSM component uses international component, is usually operated by printf instruction, built-in one
Micro-cells card.Controller can be monitored fuel oil alarm with the associated terminal of current vehicle by GSM component prompts.It should
Terminal can be smart phone (such as：Android phone, iOS mobile phone), tablet computer, palm PC and mobile Internet
The terminal devices such as equipment (MID).Such as：Controller to association sending short message by mobile phone or can upload data by GSM component,
The user mobile phone number bound in advance can also be passed through from controller control GSM component and sent out to terminal when detecting fuel oil alarm
Play calling.
(6) reserve battery, in the case where determining that exception occurs in the power supply device of current vehicle, being fuel sensor
It is powered, and triggers for electric alarm.
Reserve battery uses capacitor to indicate in figure, its role is to：When detecting harness breakage, and external power supply
(such as：Storage battery power supply) when suddenly disappearing, system power supply is carried out by reserve battery, and direct triggering alarm element hair at this time
Alarm signal out.When backup battery voltage is lower, then can be powered by battery.
(7) voltage-stablizer, for the 12V voltage of external power supply to be converted to the 5V voltage used suitable for fuel sensor.
Under above-mentioned running environment, wherein an embodiment additionally provides a kind of reality of triggering method that fuel oil alerts to the present invention
Apply example, it should be noted that step shown in the flowchart of the accompanying drawings can be in the meter of such as a group of computer-executable instructions
It is executed in calculation machine system, although also, logical order is shown in flow charts, and it in some cases, can be with difference
Shown or described step is executed in sequence herein.
Fig. 2 is the flow chart of the triggering method of fuel oil alarm according to an embodiment of the present invention, as shown in Fig. 2, this method packet
Include following steps：
Step S22, obtain the collected range data of each probe in multiple probes and collect range data when
Between data, wherein the relative positional relationship in multiple probes between the detection angle of each probe and multiple probes is according to pre-
If configuration information is set；
Step S24, using the range data and time data and previously stored range data and time data got
It is compared, obtains comparison result；
Step S26 determines whether to trigger fuel oil alarm and/or emergency operation according to comparison result, wherein fuel oil alarm is used
It is in abnormal decline state in the amount of fuel in prompt fuel tank, emergency operation is in the lock state for controlling fuel tank.
Through the above steps, it using the collected range data of probe each in the multiple probes of acquisition and can collect
The time data of range data, the relative position in multiple probe between the detection angle and multiple probes of each probe are closed
System is according to preset configuration information setting, and uses the range data got and time data and previously stored range data
It is compared with time data, obtains the mode of comparison result, determined whether to trigger fuel oil alarm and/or answer by comparing result
Anxious operation, reached integrated in fuel sensor alarm function and/or emergency function so as to the amount of fuel in fuel tank at
The purpose of fuel oil alarm and/or emergency operation is triggered in time in the case where abnormal decline state, to realize reduction operation
Complexity reminds user to alert the technical effect adopted an effective measure to fuel oil, and then solves and in the related technology can not in time
Amount of fuel in fuel tank issues the technical issues of fuel oil alarm in time in the case where decline extremely.
Optionally, in step s 24, using the range data and time data and previously stored range data got
It is compared with time data, obtaining comparison result may include step performed below：
Step S241 carries out summation operation using the range data and time data of each probe acquisition, is got
Range data and time data；
Step S242 reads previously stored range data and time data from default storage region；
Step S243, the range data that will acquire are compared with previously stored range data, determine distance change
Range value, and the time data that will acquire are compared with previously stored time data, determine time change range value.
Combination based on radar probe technology, CAN bus architecture technology and GSM component, is realized by radar probe technology
Acquire the amount of fuel in fuel tank.Controller obtains the collected signal of three radar probes and carries out Data Integration.Then again
Using the method for accumulation, computer algebra and and carry out repeatedly relatively determine whether to be abnormal.If there is exception, then announcement is triggered
Alert element issues alarm.
Optionally, in step S26, determining whether to trigger fuel oil alarm and/or emergency operation according to comparison result can be with
Including step performed below：
Step S261 is preset when distance change range value is greater than the first preset threshold or time change range value greater than second
When threshold value, the alarm of triggering fuel oil and/or emergency operation；
Step S262, when distance change range value be less than or equal to the first preset threshold and time change range value be less than or
When equal to the second preset threshold, refusal triggering fuel oil alarm and/or emergency operation.
Fig. 3 is wherein operating condition schematic diagram of the vehicle of a preferred embodiment in level road according to the present invention, such as Fig. 3 institute
Showing, it is assumed that the detecting distance of preceding probe is L1, detection time t1, and the detecting distance of center probe is L2, detection time t2,
The detecting distance popped one's head in afterwards is L3, detection time t3, and the angle between L1 and L2 is a, and the angle between L3 and L2 is a, by
This is available：L1=L3=L2/cos a, t1=t3=t2/cos a.Then these three radars are obtained respectively by controller again
It pops one's head in collected signal.
By the function of setting and learn, initial maximum oil consumption is recorded, and the initial maximum oil consumption can basis
Many factors (such as：The frequency of use of vehicle, the driving habit of driver, vehicle) refreshing study is ceaselessly carried out, obtain mesh
Mark maximum oil consumption.And when detecting the abnormal decrease speed of fuel liquid level considerably beyond recorded target maximum oil consumption
Corresponding normal decrease speed, such as：Abnormal decrease speed is five times of normal decrease speed, then can trigger alarm signal,
Issue the relatively loud noise of about 75dB.
When vehicle is in upward slope or descending operating condition, due to carrying out data acquisitions using three radar probes, control
Device processed calculates three collected data of radar probe and goes forward side by side the cumulative of row distance and time.If distance accumulation with previously deposited
The data of storage are compared in suitable range, and accumulated time is also at suitable range compared with previously stored data
It is interior, then belong to normal condition.
Operating condition schematic diagram when Fig. 4 is the vehicle descending of a wherein preferred embodiment according to the present invention, as shown in figure 4, with
Horizontal road is compared, although L1 and L3 change, do not change apart from algebraical sum Σ L=L1+L2+L3 and
Also there is no variations by time algebraical sum Σ t=t1+t2+t3, therefore will not generate because descending operating condition causes sensor to generate mistake
Alarm.
Fig. 5 be according to the present invention wherein the vehicle driving up of a preferred embodiment when operating condition schematic diagram, as shown in figure 5, with
Horizontal road is compared, although L1 and L3 change, do not change apart from algebraical sum Σ L=L1+L2+L3 and
Also there is no variations by time algebraical sum Σ t=t1+t2+t3, therefore will not generate because upward slope operating condition causes sensor to generate mistake
Alarm.
It should be noted that obtaining more accurate calculated result if necessary, △ L, △ t can also be used to change tired
Product, in other words, adjusts the distance and is calculated with the integral of time.
Optionally, in step S26, determined whether after triggering fuel oil alarm and/or emergency operation according to comparison result, also
It may include step performed below：
Step S27 determines the CAN of the entire car controller of the CAN bus transceiver and current vehicle built in fuel sensor
Bus is connected；
Step S28 issues alarm prompt by the turn signal that bus signals trigger vehicle control unit controls current vehicle.
If vehicle has the CAN bus components such as car body controller and CAN bus transceiver can be whole with current vehicle
The CAN bus of vehicle controller is connected, then controller can trigger vehicle control unit controls current vehicle by bus signals
Turn signal carries out flashing and issues alarm prompt.
Optionally, in step S26, determined whether after triggering fuel oil alarm and/or emergency operation according to comparison result, also
It may include step performed below：
Step S29 alerts fuel oil with the associated terminal of current vehicle by the GSM component prompts built in fuel sensor
And/or emergency operation is monitored.
If detect the amount of fuel in fuel tank decline rapidly (such as：Fuel oil is stolen or fuel leakage), then it can be with
It will test result by GSM component and be sent to mobile terminal.The fuel sensor can reserve CAN interface, if vehicle has prison
Camera is controlled, then vehicle-state image can be shot by camera, and vehicle-state image is sent to mobile terminal, or
User is reminded to realize long-range monitoring alarm by mobile terminal application (APP).
Optionally, it in step S22, obtains the collected range data of each probe in multiple probes and collects distance
It can also include step performed below before the time data of data：
It is abnormal to determine that the power supply device of current vehicle occurs by step S20；
Step S21 enables the reserve battery built in fuel sensor and is powered for fuel sensor, and triggers for cabling
It is alert.
When detecting harness breakage, and external power supply (such as：Storage battery power supply) when suddenly disappearing, by reserve battery into
Row system power supply, and alarm signal is directly triggered at this time.When backup battery voltage is lower, then can be supplied by battery
Electricity.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes：USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (11)
1. a kind of fuel sensor, which is characterized in that including：Controller and multiple probes, wherein every in the multiple probe
Relative positional relationship between the detection angle of a probe and the multiple probe is according to preset configuration information setting；
Each probe is used to the distance between liquid level data in detection probe position and fuel tank and collects described
The time data of range data；
The controller, for using from each range data that gets and time data and previously stored apart from number of popping one's head in
It is compared according to time data, and is determined whether to trigger fuel oil alarm and/or emergency operation according to comparison result, wherein combustion
For prompting the amount of fuel in fuel tank to be in abnormal decline state, emergency operation is in for controlling the fuel tank for oil alarm
Lock state.
2. fuel sensor according to claim 1, which is characterized in that the controller, for being adopted using each probe
The range data and time data of collection carry out summation operation, obtain the range data and time data got, from default
Storage region reads the previously stored range data and time data, and by the range data got with it is described
Previously stored range data is compared, determine distance change range value and by the time data got with it is described
Previously stored time data are compared, and determine time change range value.
3. fuel sensor according to claim 2, which is characterized in that the controller, for working as the distance change
When range value is greater than the first preset threshold or the time change range value and is greater than the second preset threshold, the alarm of triggering fuel oil and/
Or emergency operation.
4. fuel sensor according to claim 3, which is characterized in that the fuel sensor further includes：Control general ability
Domain net CAN bus transceiver；
The controller is also used in the CAN bus phase for determining the CAN bus transceiver with the entire car controller of current vehicle
In the case where connection, alarm is issued by the turn signal that bus signals trigger current vehicle described in the vehicle control unit controls and is mentioned
Show.
5. fuel sensor according to claim 1, which is characterized in that the fuel sensor further includes：The whole world is mobile
Communication system GSM component；
The controller, be also used to alert the fuel oil by the GSM component prompts and the associated terminal of current vehicle and/
Or emergency operation is monitored.
6. a kind of triggering method of fuel oil alarm, which is characterized in that including：
Each time data popped one's head in collected range data and collect the range data in multiple probes are obtained,
In, the relative positional relationship in the multiple probe between the detection angle of each probe and the multiple probe is according to default
Configuration information setting；
It is compared, is obtained with previously stored range data and time data using the range data and time data that get
Comparison result；
Determined whether to trigger fuel oil alarm and/or emergency operation according to the comparison result, wherein fuel oil alarm is for prompting combustion
Amount of fuel in fuel tank is in abnormal decline state, and emergency operation is in the lock state for controlling the fuel tank.
7. according to the method described in claim 6, it is characterized in that, the range data and time data that are got described in
The previously stored range data and time data are compared, and are obtained the comparison result and are included：
Summation operation is carried out using the range data and time data of each probe acquisition, obtains the range data got
With time data；
The previously stored range data and time data are read from default storage region；
The range data got is compared with the previously stored range data, determines distance change amplitude
Value, and the time data got are compared with the previously stored time data, determine time change width
Angle value.
8. the method according to the description of claim 7 is characterized in that being determined whether to trigger fuel oil alarm according to the comparison result
And/or emergency operation includes：
When the distance change range value is greater than the first preset threshold or the time change range value greater than the second preset threshold
When, triggering fuel oil alerts and/or emergency operation；
When the distance change range value is less than or equal to the first preset threshold and the time change range value is less than or equal to
When the second preset threshold, refusal triggers the fuel oil alarm and/or emergency operation.
9. according to the method described in claim 8, it is characterized in that, determining whether that triggering fuel oil accuses according to the comparison result
After alert and/or emergency operation, further include：
Determine the CAN of the entire car controller of the controller area network bus transceiver and current vehicle built in fuel sensor
Bus is connected；
Alarm prompt is issued by the turn signal that bus signals trigger current vehicle described in the vehicle control unit controls.
10. according to the method described in claim 6, it is characterized in that, being determined whether to trigger fuel oil according to the comparison result
After alarm and/or emergency operation, further include：
By the global system for mobile communications GSM component prompts built in fuel sensor with the associated terminal of current vehicle to fuel oil
Alarm and/or emergency operation are monitored.
11. a kind of fuel-engined vehicle, which is characterized in that including：Fuel sensor described in any one of claims 1 to 5.
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