CN103397925A - Vehicle and engine oil level detection device of vehicle - Google Patents

Vehicle and engine oil level detection device of vehicle Download PDF

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Publication number
CN103397925A
CN103397925A CN2013103287812A CN201310328781A CN103397925A CN 103397925 A CN103397925 A CN 103397925A CN 2013103287812 A CN2013103287812 A CN 2013103287812A CN 201310328781 A CN201310328781 A CN 201310328781A CN 103397925 A CN103397925 A CN 103397925A
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engine oil
oil level
module
vehicle
engine
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CN2013103287812A
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Inventor
黄勇
李颖涛
李琦
张建彪
李国立
刘咏涛
安淑苗
王胜博
林鑫
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Priority to CN2013103287812A priority Critical patent/CN103397925A/en
Publication of CN103397925A publication Critical patent/CN103397925A/en
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Abstract

The invention provides a vehicle and an engine oil level detection device of the vehicle, wherein the engine oil level detection device comprises an engine oil level sensor, an engine oil level measuring instrument and a power module; the engine oil level sensor is used for detecting the engine oil level inside an engine of the vehicle to generate a detection signal; the engine oil level measuring instrument is connected with the engine oil level sensor and used for measuring the engine oil level inside the engine according to the detection signal; the power module is connected with the engine oil level sensor and the engine oil level measuring instrument respectively and used for supplying power to the engine oil level sensor and the engine oil level measuring instrument. The vehicle and the engine oil level detection device of the vehicle are capable of realizing automatic real-time measurement and display of the height state of the engine oil level inside the engine, free of manual operation, convenient to use and safe, thereby meeting the requirement for high-precision intelligent electronic control over the vehicle and the requirement of the current general trend for energy conservation and emission reduction.

Description

Vehicle and engine oil level detection device thereof
Technical field
The present invention relates to the vehicle technology field, particularly a kind of detection device of engine oil level for vehicle and a kind of vehicle with this engine oil level detection device.
Background technique
At present, traditional engine oil level method of measurement is oil rule to be inserted to the oil sump of vehicle, and the leading portion of oil rule enters in machine oil, by the oil that adheres on the observation airplane dipstick in the position of dipstick scale, thereby the height of judgement engine oil level.The advantage of this kind method of measurement is economical, directly perceived.but this method of measurement needs operator to open vehicle in measuring phase hood carries out hand dipping, inconvenient operation, and safety coefficient is low, simultaneously can't to the in-engine engine oil level of vehicle, show and can't carry out alarm when in-engine engine oil level exceed predefined value, the more important thing is, can not with electronic controller ECU(Electronic Control Unit) carry out communication, therefore, can't meet ECU carries out qualitative to the in-engine engine oil level of vehicle, quantitative monitoring, more can not meet when the high-precision smart electronics control of vehicle in front requirement, do not meet the main trend of energy-saving and emission-reduction.
Summary of the invention
Purpose of the present invention is intended to solve at least to a certain extent above-mentioned technological deficiency.
for this reason, first purpose of the present invention is to propose a kind of detection device of engine oil level for vehicle, this device can automatic real-time measurement and is shown the height state of in-engine engine oil level, and when exceeding predefined value, in-engine engine oil level carries out alarm, also increased simultaneously the communication interface with ECU, to meet ECU, to the in-engine engine oil level of vehicle, carry out qualitative, quantitative monitoring, the more important thing is that this device provides calibrating function with implementation platform, without manual operation, convenient directly perceived and safety, meet when the high-precision smart electronics control of vehicle in front requirement, the main trend that meets energy-saving and emission-reduction.
Second purpose of the present invention is to propose a kind of vehicle with this engine oil level detection device.
For achieving the above object, according to an aspect of the present invention, provide a kind of detection device of engine oil level for vehicle, comprising: engine oil liquid level sensor, for detection of the in-engine engine oil level of vehicle to generate testing signal; The engine oil level detector, described engine oil level detector is connected with described engine oil liquid level sensor, described engine oil level detector according to described testing signal to measure described in-engine engine oil level; And power module, described power module is connected respectively with described engine oil level detector with described engine oil liquid level sensor, in order to give described engine oil liquid level sensor and the power supply of described engine oil level detector.
The detection device of the engine oil level for vehicle according to the embodiment of the present invention, by engine oil liquid level sensor, detect in real time the in-engine engine oil level variable signal of vehicle, and then the engine oil level detector goes out the engine oil level in present engine according to this signal measurement, this process is carried out automatically under the intelligent control of engine oil level detector, without manual operation, convenient and safe.
In one embodiment of the invention, described engine oil level detector comprises: sensor assembly, and described sensor assembly is connected with described engine oil liquid level sensor, for described testing signal is converted to electrical signal; Controller module, described controller module is connected with described sensor assembly, for described electrical signal is processed; Display modular, described display modular is connected with described controller module, under the control of described controller module, showing described in-engine engine oil level.
In one embodiment of the invention, described engine oil level detector also comprises: the alarm module, described alarm module is connected with described controller module, and described alarm module is for carrying out alarm when the described in-engine engine oil level of described controller module judgement exceeds predefined value.
In one embodiment of the invention, described engine oil level detector also comprises: D/A converter module, described D/A converter module is connected respectively with the electronic controller of described controller module and described vehicle, described D/A converter module converts analogue signal to for the electrical signal after processing, and by with described electronic controller, communicating that described analogue signal is sent to described electronic controller.
In one embodiment of the invention, described engine oil level detector also comprises: communication module, described communication module is connected respectively with upper-position unit with described controller module, and described communication module is for realizing the communication between described controller module and described upper-position unit.
In one embodiment of the invention, described controller module carries out CAN/SCI by described communication module and described upper-position unit and communicates by letter.
In one embodiment of the invention, described engine oil level detector also comprises the wire harness connector module that is connected with described controller module.
for achieving the above object, according to another aspect of the present invention, a kind of vehicle is provided, this vehicle has above-mentioned engine oil level detection device, can automatically measure the height state of in-engine engine oil level and send liquid level information and carry out LCD to electronic controller, without manual operation, convenient and safe, traditional liquid level method of measurement characteristics had intuitively both been kept, also realized that electronic controller ECU carries out qualitative to engine oil level, quantitative monitoring, and prompt functions and calibrating function have been increased, thereby reach when the high-precision smart electronics control of vehicle in front requirement, the main trend that meets energy-saving and emission-reduction.
The aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
The accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments and obviously and easily understand, wherein:
Fig. 1 is the system block diagram according to the detection device of the engine oil level for vehicle of the embodiment of the present invention;
Fig. 2 is the structural representation according to the detection device of the engine oil level for vehicle of the embodiment of the present invention; With
Fig. 3 is the workflow diagram according to the engine oil level detector of the embodiment of the present invention.
Reference character:
Engine oil liquid level sensor 10, engine oil level detector 20, power module 30, upper-position unit 40, electronic controller 50, sensor assembly 201, controller module 202, display modular 203, alarm display module 204, D/A converter module 205, communication module 206, wire harness connector module 207.
Embodiment
Below describe embodiments of the invention in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Below by the embodiment who is described with reference to the drawings, be exemplary, only be used to explaining the present invention, and can not be interpreted as limitation of the present invention.
Disclosing hereinafter provides many different embodiments or example to be used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter parts and the setting of specific examples are described.Certainly, they are only example, and purpose does not lie in restriction the present invention.In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and purpose clearly, itself do not indicate the relation between the various embodiments of discuss and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skills can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, First Characteristic described below Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are the direct embodiment of contact, also can comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may not be direct contacts.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, can be directly to be connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
With reference to following description and accompanying drawing, these and other aspects of embodiments of the invention will be known.These describe and accompanying drawing in, specifically disclose some specific implementations in embodiments of the invention, represent to implement some modes of the principle of embodiments of the invention, still should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise spirit and interior all changes, modification and the equivalent of intension scope that falls into additional claims.
With reference to the accompanying drawings vehicle and the engine oil level detection device thereof that proposes according to the embodiment of the present invention is described.
At first describe the detection device of the engine oil level for vehicle according to the proposition of the embodiment of the present invention with reference to the accompanying drawings.
As shown in Figure 1, the detection device of the engine oil level for vehicle of the embodiment of the present invention comprises: engine oil liquid level sensor 10, engine oil level detector 20 and power module 30.Wherein, engine oil liquid level sensor 10 for detection of the in-engine engine oil level of vehicle to generate testing signal; Engine oil level detector 20 is connected with engine oil liquid level sensor 10, engine oil level detector 20 according to the testing signal of engine oil liquid level sensor 10 to measure in-engine engine oil level; Power module 30 is connected respectively with engine oil level detector 20 with engine oil liquid level sensor 10, in order to give engine oil liquid level sensor 10 and 20 power supplies of engine oil level detector.
Preferably, in one embodiment of the invention, power module 30 can be the TLE42754 power management chip, and the TLE42754 power management chip can change into the 5V power supply by the 12V power supply on storage battery, for engine oil level detector 20 provides power supply.
Further, in one embodiment of the invention, as shown in Figure 2, engine oil level detector 20 comprises sensor assembly 201, controller module 202, display modular 203.Wherein, sensor assembly 201 is connected with engine oil liquid level sensor 10, and sensor assembly 201 is for being converted to electrical signal by testing signal; Controller module 202 is connected with sensor assembly 201, and controller module 202 is for processing electrical signal; Display modular 203 is connected with controller module 202, display modular 203 is for showing in-engine engine oil level under the control at controller module 202, display modular 203 can be LCD Display, so that operator's quick obtaining engine oil level information is convenient directly perceived.
Preferably, in one embodiment of the invention, sensor assembly 201 can be ultrasonic liquid level sensor, and ultrasonic liquid level sensor is for being converted to electrical signal by liquid level signal.
Preferably, in one embodiment of the invention, controller module 202 can be MCU(Micro Control Unit, micro-control unit), be for example the MPC5634 singlechip chip, using key control unit as the engine oil level detection device of whole vehicle.Wherein the characteristics of MPC5634 singlechip chip are: built-in eTPU coprocessor, direct memory access (DMA), advanced person's memory protect unit (MPU) and enhancement mode input/output module (eMIOS); have that cost is low, code is efficient, the response time is short and the advantage such as electromagnetic compatibility is outstanding, be specifically applied to the Vehicle Electronic Control field.
In one embodiment of the invention, as shown in Figure 2, engine oil level detector 20 also comprises: alarm module 204, alarm module 204 is connected with controller module 202, alarm module 204 is for carrying out alarm when the in-engine engine oil level of controller module 202 judgement exceeds predefined value, this prompting can be the prompting of voice suggestion, LCD Display prompting or other type.
In one embodiment of the invention, as shown in Figure 2, engine oil level detector 20 also comprises: D/A converter module 205, D/A converter module 205 is connected respectively with the electronic controller 50 of controller module 202 and vehicle, D/A converter module 205 converts analogue signal to for the electrical signal after processing, and by with electronic controller 50, communicating analogue signal to be sent to electronic controller 50.
In one embodiment of the invention, as shown in Figure 2, engine oil level detector 20 also comprises: communication module 206, and communication module 206 is connected respectively with upper-position unit 40 with controller module 202, and communication module 206 is be used to realizing the communication between controller module 207 and upper-position unit 40.Particularly, in one embodiment of the invention, the controller module 202 of engine oil level detection device carries out CAN/SCI by communication module 206 with upper-position unit 40 and communicates by letter.Preferably, in one embodiment of the invention, communication module 206 can or be the TJA1051 chip for the MAX232 chip, so that engine oil level detector 20 demarcates in-engine engine oil level by the SCI/CAN bus network with based on the calibration software OilLevelor of VC independent development, thereby realize the multi-platform function of vehicle.
In one embodiment of the invention, as shown in Figure 2, engine oil level detector 20 also comprises the wire harness connector module 207 that is connected with controller module 202.Wire harness connector module 207 can be selected self-defining connector assembly, realizes the connection of engine oil level detector 20, power module 30, engine oil liquid level sensor 10 and other electronic control module.
Preferably, in one embodiment of the invention, each peripheral component and the chip of engine oil level detector 20 are all selected the product that vehicle electric field is most widely used, cost performance is optimum, add circuit is carried out to rational PCB design to obtain good electromagnetic compatibility, thereby make engine oil level detector 20 have superior performance, thereby guaranteed the reliability of engine oil level data, more safe and reliable, precision is higher.
In a specific embodiment of the present invention, as shown in Figure 3, the workflow of engine oil level detector 20 comprises the following steps:
S1, initialization.
Inner each module of power-up initializing engine oil level detector 20.
S2, harvester oil liquid level signal.
After entering step S2, by sensor assembly 201, obtain the in-engine engine oil level testing signal of the vehicle of engine oil liquid level sensor 10 generations, this signal is PWM liquid level information.
S3, carry out the signal processing.
After collecting in-engine engine oil level testing signal, by sensor assembly 201, testing signal is converted to electrical signal.
S4, judge whether the engine oil level in present engine exceeds predefined value.
By controller module 202, judge whether the engine oil level in present engine exceeds predefined value, if not, goes to step S5, if so, goes to step S2, and error message is presented on alarm module 204 to carry out alarm.
S5, carry out digital-to-analog conversion/LCD/scale liquid position information.
After the PWM liquid level signal that D/A converter module collects step S2 converts analogue signal to, this signal is passed to ECU and to realize ECU, the in-engine engine oil level of vehicle is carried out to qualitative, quantitative monitoring; Controller module 202 by this analog signal output to display modular 203, to facilitate the in-engine engine oil level information of vehicle operator quick obtaining; By communication module 206, with upper-position unit 40, carry out CAN/SCI simultaneously and communicate by letter, with the in-engine engine oil level information to vehicle, demarcate, thereby realize multi-platform function.
in sum, according to the detection device of the engine oil level for vehicle of the embodiment of the present invention, can automatically measure in-engine engine oil level and generate testing signal, when exceeding predefined value, the in-engine engine oil level of judgement carries out alarm, when the in-engine engine oil level of judgement is in predefined value, convert testing signal to analogue signal and send to ECU and display modular, to show intuitively in-engine engine oil level and to meet ECU, to the in-engine engine oil level of vehicle, carry out qualitative, quantitative monitoring, by communication module and upper-position unit, carrying out CAN/SCI simultaneously communicates by letter, with the in-engine engine oil level information to vehicle, demarcate, thereby realize multi-platform function, this device is without manual operation, convenient directly perceived, safe and reliable, meet when the high-precision smart electronics control of vehicle in front requirement, the main trend that meets energy-saving and emission-reduction.
Below the vehicle that proposes according to the embodiment of the present invention is described.
According to the vehicle of the embodiment of the present invention, comprise above-mentioned engine oil level detection device.according to the vehicle of the embodiment of the present invention, can automatically measure the height state of in-engine engine oil level and carry out LCD, can also send liquid level information to ECU carries out qualitative to realize ECU to engine oil level, quantitative monitoring, and can when exceeding predefined value, in-engine engine oil level carry out alarm, simultaneously can carry out CAN/SCI with upper-position unit communicates by letter and demarcates with the in-engine engine oil level information to vehicle, thereby realize multi-platform function, above function is without manual operation, convenient directly perceived, Security is good, traditional liquid level method of measurement characteristics had intuitively both been kept, also realized that electronic controller ECU carries out qualitative to engine oil level, quantitative monitoring, and prompt functions and calibrating function have been increased, and meet the main trend of controlling requirement and energy-saving and emission-reduction when the high-precision smart electronics of vehicle in front.
In flow chart or in this any process of otherwise describing or method, describe and can be understood to, expression comprises one or more module, fragment or part be used to the code of the executable instruction of the step that realizes specific logical function or process, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by opposite order, carry out function, this should be understood by the embodiments of the invention person of ordinary skill in the field.
In flow chart the expression or in this logic of otherwise describing and/or step, for example, can be considered to the sequencing list be used to the executable instruction that realizes logical function, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as the computer based system, comprise that the system of processor or other can and carry out the system of instruction from instruction execution system, device or equipment instruction fetch), use, or use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can comprise, storage, communication, propagation or transmission procedure be for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically of computer-readable medium (non-exhaustive list) comprises following: the electrical connection section (electronic equipment) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), ROM (read-only memory) (ROM), the erasable ROM (read-only memory) (EPROM or flash memory) of editing, fiber device, and portable optic disk ROM (read-only memory) (CDROM).In addition, computer-readable medium can be even paper or other the suitable medium that can print described program thereon, because can be for example by paper or other media be carried out to optical scanner, then edit, decipher or process in the electronics mode and obtain described program with other suitable methods in case of necessity, then it is stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, a plurality of steps or method can realize with being stored in storage and by software or firmware that suitable instruction execution system is carried out.For example, if realize with hardware, the same in another embodiment, can realize with any one in following technology well known in the art or their combination: have for data-signal being realized to the discrete logic of the logic gates of logical function, specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that and realize that all or part of step that above-described embodiment method is carried is to come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, this program, when carrying out, comprises step of embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a puocessing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module usings that the form of software function module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium of mentioning can be ROM (read-only memory), disk or CD etc.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiments or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiments, scope of the present invention is by claims and be equal to and limit.

Claims (8)

1. the detection device of the engine oil level for vehicle, is characterized in that, comprising:
Engine oil liquid level sensor, for detection of the in-engine engine oil level of vehicle to generate testing signal;
The engine oil level detector, described engine oil level detector is connected with described engine oil liquid level sensor, described engine oil level detector according to described testing signal to measure described in-engine engine oil level; And
Power module, described power module is connected respectively with described engine oil level detector with described engine oil liquid level sensor, in order to give described engine oil liquid level sensor and the power supply of described engine oil level detector.
2. engine oil level detection device as claimed in claim 1, is characterized in that, described engine oil level detector comprises:
Sensor assembly, described sensor assembly is connected with described engine oil liquid level sensor, for described testing signal is converted to electrical signal;
Controller module, described controller module is connected with described sensor assembly, for described electrical signal is processed;
Display modular, described display modular is connected with described controller module, under the control of described controller module, showing described in-engine engine oil level.
3. engine oil level detection device as claimed in claim 2, is characterized in that, described engine oil level detector also comprises:
The alarm module, described alarm module is connected with described controller module, and described alarm module is for carrying out alarm when the described in-engine engine oil level of described controller module judgement exceeds predefined value.
4. engine oil level detection device as claimed in claim 2, is characterized in that, described engine oil level detector also comprises:
D/A converter module, described D/A converter module is connected respectively with the electronic controller of described controller module and described vehicle, described D/A converter module converts analogue signal to for the electrical signal after processing, and by with described electronic controller, communicating that described analogue signal is sent to described electronic controller.
5. engine oil level detection device as claimed in claim 2, is characterized in that, described engine oil level detector also comprises:
Communication module, described communication module is connected respectively with upper-position unit with described controller module, and described communication module is for realizing the communication between described controller module and described upper-position unit.
6. engine oil level detection device as claimed in claim 5, is characterized in that, described controller module carries out CAN/SCI by described communication module and described upper-position unit and communicates by letter.
7. engine oil level detection device as claimed in claim 2, is characterized in that, described engine oil level detector also comprises the wire harness connector module that is connected with described controller module.
8. a vehicle, is characterized in that, comprises engine oil level detection device as described as claim 1-7 any one.
CN2013103287812A 2013-07-31 2013-07-31 Vehicle and engine oil level detection device of vehicle Pending CN103397925A (en)

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CN107764364A (en) * 2017-09-30 2018-03-06 惠州华阳通用电子有限公司 A kind of automobile fuel gauge indicating means and its checking apparatus and method
CN109505675A (en) * 2019-01-30 2019-03-22 潍柴动力扬州柴油机有限责任公司 The on-line automatic loading system of engine motor oil and on-line automatic charging method
CN110307054A (en) * 2019-06-28 2019-10-08 潍柴动力股份有限公司 The method, apparatus and system of the pre- fuel feeding of cluster engine oil pump
CN110799742A (en) * 2017-06-29 2020-02-14 珀金斯发动机有限公司 Engine monitoring
CN110926553A (en) * 2019-12-13 2020-03-27 深圳市元征科技股份有限公司 Vehicle engine oil consumption detection method and device, vehicle-mounted equipment and storage medium
CN111504415A (en) * 2019-01-30 2020-08-07 陕西重型汽车有限公司 Liquid level measuring method based on electric heating sensor
CN112376337A (en) * 2020-10-26 2021-02-19 中车沈阳机车车辆有限公司设备分公司 Electrical control system and control method for steel rail grinding machine
CN114705267A (en) * 2021-04-30 2022-07-05 长城汽车股份有限公司 Vehicle engine oil level monitoring method and system and vehicle

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CN110799742A (en) * 2017-06-29 2020-02-14 珀金斯发动机有限公司 Engine monitoring
CN107764364A (en) * 2017-09-30 2018-03-06 惠州华阳通用电子有限公司 A kind of automobile fuel gauge indicating means and its checking apparatus and method
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CN110307054A (en) * 2019-06-28 2019-10-08 潍柴动力股份有限公司 The method, apparatus and system of the pre- fuel feeding of cluster engine oil pump
CN110926553A (en) * 2019-12-13 2020-03-27 深圳市元征科技股份有限公司 Vehicle engine oil consumption detection method and device, vehicle-mounted equipment and storage medium
CN112376337A (en) * 2020-10-26 2021-02-19 中车沈阳机车车辆有限公司设备分公司 Electrical control system and control method for steel rail grinding machine
CN112376337B (en) * 2020-10-26 2022-03-25 中车沈阳机车车辆有限公司设备分公司 Electrical control system and control method for steel rail grinding machine
CN114705267A (en) * 2021-04-30 2022-07-05 长城汽车股份有限公司 Vehicle engine oil level monitoring method and system and vehicle

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