CN109236535A - A kind of judgment method and device of overheating of starter - Google Patents
A kind of judgment method and device of overheating of starter Download PDFInfo
- Publication number
- CN109236535A CN109236535A CN201811131471.0A CN201811131471A CN109236535A CN 109236535 A CN109236535 A CN 109236535A CN 201811131471 A CN201811131471 A CN 201811131471A CN 109236535 A CN109236535 A CN 109236535A
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- China
- Prior art keywords
- starter
- parameter information
- coil
- parameter
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/04—Parameters used for control of starting apparatus said parameters being related to the starter motor
- F02N2200/045—Starter temperature or parameters related to it
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of overheating of starter judgment method and device, this method acquisition obtains the parameter information of starter and engine；According to the parameter information, calculates and obtain starter coil temperature；Judge whether the starter coil temperature is greater than preset temperature threshold, to determine that the starter is in an overheated state.The parameter information of starter genuine property is indicated due to using; machine-heating load, that is, starter coil temperature is started in real time by calculating to obtain; judge whether starter is superheat state according to this, so as to more accurate come the overheating protection for carrying out starter according to the genuine property of starter.
Description
Technical field
The present invention relates to technical field of automobile electronic control, more particularly to the judgment method and dress of a kind of engine overheat
It sets.
Background technique
Starter is electric energy to be changed into mechanical energy, the starting of engine needs the branch of external force by electromagnetic induction principle
It holds, automobile starter this effect in time, when engine cannot smoothly start successfully because of oil circuit or other factors, user can be more
Secondary frequent starting engine, in continuous continual starting, it is easy to cause starter inner rotator overheat to burn out, thus
Starter is caused to damage.
In the prior art to overheating of starter protect, be by the starting protection time be a definite value.When reaching this
Between after starting to the overheating protection of starter.But this protected mode only uses time definite value to carry out being unable to fully protect
Starter.
Summary of the invention
It is directed to the above problem, the present invention provides the judgment method and device of a kind of overheating of starter, true using starter
The accuracy improved to the overheating protection of starter is realized in real characteristic, the judgement to overheating of starter.
To achieve the goals above, the present invention provides the following technical scheme that
A kind of overheating of starter judgment method, this method comprises:
Acquisition obtains the parameter information of starter and engine；
According to the parameter information, calculates and obtain starter coil temperature；
Judge whether the starter coil temperature is greater than preset temperature threshold, if it is, determining at the starter
In superheat state, if it is not, then determining that the starter is in normal condition.
Optionally, this method further include:
If the starter is in normal condition, the starter driving of letting pass.
Optionally, the parameter information of the starter and engine includes: starter characteristic curve, starts electrical-mechanical ginseng
Number, starter parameter and engine mechanical parameter.
Optionally, described according to the parameter information, it calculates and obtains starter coil temperature, comprising:
According to the parameter information, calculates and obtain starter coil heat production power；
According to the parameter information, calculates and obtain starter coil heat radiation power；
According to the starter coil heat production power and the starter coil heat radiation power, calculates and obtain starter coil
Temperature.
Optionally, described according to the parameter information, it calculates and obtains starter coil heat production power, comprising:
According to the starter characteristic curve and the engine mechanical parameter, inquiry obtains starter electric current；
The coil resistance of the starter is obtained, and according to the starter electric current, calculates and obtains starter coil production
Thermal power.
A kind of overheating of starter judgment means, the device include:
Acquisition unit, acquisition obtain the parameter information of starter and engine；
Computing unit, for calculating and obtaining starter coil temperature according to the parameter information；
Judging unit, for judging whether the starter coil temperature is greater than preset temperature threshold, if it is, determining
The starter is in an overheated state, if it is not, then determining that the starter is in normal condition.
Optionally, the device further include:
Clearance unit is driven, if being in normal condition for the starter, the starter driving of letting pass.
Optionally, the parameter information of the starter and engine includes: starter characteristic curve, starts electrical-mechanical ginseng
Number, starter parameter and engine mechanical parameter.
Optionally, the computing unit includes:
First computation subunit, for calculating and obtaining starter coil heat production power according to the parameter information；
Second computation subunit, for calculating and obtaining starter coil heat radiation power according to the parameter information；
Third computation subunit, for according to the starter coil heat production power and starter coil heat dissipation function
Rate calculates and obtains starter coil temperature.
Optionally, first computation subunit includes:
Subelement is inquired, for inquiring according to the starter characteristic curve and the engine mechanical parameter
Motivation electric current；
Heat production computation subunit, for obtaining the coil resistance of the starter, and according to the starter electric current, meter
It calculates and obtains starter coil heat production power.
Compared to the prior art, the present invention provides a kind of overheating of starter judgment method and device, this method acquisition is obtained
Obtain the parameter information of starter and engine；According to the parameter information, calculates and obtain starter coil temperature；Judgement is described to be risen
Whether motivation coil temperature is greater than preset temperature threshold, to determine that the starter is in an overheated state.It is indicated due to using
The parameter information of starter genuine property starts machine-heating load, that is, starter coil temperature, foundation by calculating to obtain in real time
This judges whether starter is superheat state, so as to carry out the overheating protection of starter according to the genuine property of starter
It is more accurate.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow diagram of overheating of starter judgment method provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram that a kind of starter provided in an embodiment of the present invention drives clearance module；
Fig. 3 is a kind of characteristic schematic diagram of starter provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of overheating of starter judgment means provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Term " first " and " second " in description and claims of this specification and above-mentioned attached drawing etc. are for area
Not different objects, rather than for describing specific sequence.Furthermore term " includes " and " having " and their any deformations,
It is intended to cover and non-exclusive includes.Such as it contains the process, method of a series of steps or units, system, product or sets
It is standby not to be set in listed step or unit, but may include the step of not listing or unit.
A kind of overheating of starter judgment method is provided in embodiments of the present invention, referring to Fig. 1, this method comprises:
S101, acquisition obtain the parameter information of starter and engine；
The parameter information of the starter and engine includes: starter characteristic curve, starter electric parameter, starter
Parameter and engine mechanical parameter.Wherein, starter parameter include but is not limited to the number of teeth, coil specific heat capacity, shell specific heat capacity,
Volume, area etc.；The engine mechanical parameter such as flywheel number of teeth.
S102, according to the parameter information, calculate and obtain starter coil temperature；
The process specifically includes:
According to the parameter information, calculates and obtain starter coil heat production power；
According to the parameter information, calculates and obtain starter coil heat radiation power；
According to the starter coil heat production power and the starter coil heat radiation power, calculates and obtain starter coil
Temperature.
Wherein, it needs when calculating starter coil heat production power according to the starter characteristic curve and the engine
Mechanical parameter, inquiry obtain starter electric current；Obtain the coil resistance of the starter, and according to the starter electric current,
It calculates and obtains starter coil heat production power.
Starter coil heat radiation power, which can radiate to test according to starter, to be obtained, and the temperature of coil and external environment is passed through
Difference table look-up acquiring, and heat radiation power obtains heat dissipation capacity multiplied by the heat dissipation time.
Starter coil heating power can subtract the heat radiation power of starter coil with starter coil heat production power.
Further according to the specific heat capacity of coil, the parameters such as volume, which calculate, obtains coil temperature.
S103, judge whether the starter coil temperature is greater than preset temperature threshold, if it is, S104 is executed, it is no
Then execute S105；
S104, determine that the starter is in an overheated state；
S105, determine that the starter is in normal condition.
Judge whether starter is in an overheated state by the temperature threshold of setting, to the purpose of the judgement of superheat state
It is the overheating protection to starter, specifically, driving is let pass when starter coil temperature is lower than temperature limiting.Conversely, driving
It does not let pass.
The present invention provides a kind of overheating of starter judgment method, this method acquisition obtains the parameter of starter and engine
Information；According to the parameter information, calculates and obtain starter coil temperature；It is pre- to judge whether the starter coil temperature is greater than
If temperature threshold, to determine that the starter is in an overheated state.The parameter letter of starter genuine property is indicated due to using
Breath starts machine-heating load, that is, starter coil temperature by calculating to obtain in real time, judges whether starter is overheat according to this
State, so as to more accurate come the overheating protection for carrying out starter according to the genuine property of starter.
In a kind of engine overheat protection system provided in an embodiment of the present invention, wherein including two parts, first part is
Memory module, second part are that starter drives clearance module.
Memory module mainly stores the relevant parameter of starter, engine into ECU, provides input ginseng for computing module
Number.Such as: the characteristic curve of starter starts electric parameter, starter parameter (such as the number of teeth, coil specific heat capacity, shell specific heat
Appearance, volume, area etc.), engine mechanical parameter (the flywheel number of teeth) etc..
It referring to fig. 2, is a kind of schematic diagram of starter driving clearance module provided in an embodiment of the present invention, starter driving
4 submodules of clearance module point are respectively: starter coil heat production power computation module, starter coil heat radiation power calculate
Module, starter coil temperature increase computing module, starter drives clearance computing module.
Starter coil heat production power computation module can be calculated by starter current resistor, wherein heat production power
Calculation formula are as follows:
Wc=I2*R
R is the coil resistance of starter, and I is the electric current by starter；Electric current I size, can be by looking into starter
Characteristic curve is obtained referring to Fig. 3, specifically: by the transmission ratio of the starter gear number of teeth and the number of teeth of engine flywheel, obtain
Obtain the real-time revolving speed of starter.By the real-time revolving speed of starter, the electric current of starter is got.Transmission ratio r: the engine flywheel number of teeth
(Z1) and the starter number of teeth (Z2) ratio.
Starter coil heat radiation power computing module can be tested according to the heat dissipation of starter and be obtained, by coil and outside
The temperature difference of boundary's environment table look-up acquiring.Heat radiation power obtains heat dissipation capacity multiplied by the heat dissipation time.
Starter coil temperature increases computing module:
Starter coil heating power can subtract the scattered power of starter coil with starter coil heat production power.
W=Wc-WL
W in formula: starter coil heating power；Wc: starter coil heat production power；WL: starter coil heat radiation power.
It is that following formula can be used to be calculated that coil temperature, which increases calculation:
According to formula w=ρ * c* △ T*V
It obtains: △ T=w/ (ρ * c*V)
W is starter coil heat knots modification in formula；C is the specific heat capacity of coil；△ T is the temperature rise of coil；V is coil
Volume.
Starter drives clearance computing module:
When starter coil temperature is lower than temperature limiting, driving is let pass.Conversely, driving is not let pass, forbid driving.
The true characteristic of starter is used in the present embodiment, calculates the thermic load of starter in real time, and dynamic is let pass according to this
Starter driving, avoids overheating of starter from burning.
It is corresponding, a kind of overheating of starter judgment means are additionally provided in embodiments of the present invention, referring to fig. 4, comprising:
Acquisition unit 401, acquisition obtain the parameter information of starter and engine；
Computing unit 402, for calculating and obtaining starter coil temperature according to the parameter information；
Judging unit 403, for judging whether the starter coil temperature is greater than preset temperature threshold, if it is,
Determine that the starter is in an overheated state, if it is not, then determining that the starter is in normal condition.
Optionally, the device further include:
Clearance unit is driven, if being in normal condition for the starter, the starter driving of letting pass；
Optionally, the parameter information of the starter and engine includes: starter characteristic curve, starts electrical-mechanical ginseng
Number, starter parameter and engine mechanical parameter.
Optionally, the computing unit includes:
First computation subunit, for calculating and obtaining starter coil heat production power according to the parameter information；
Second computation subunit, for calculating and obtaining starter coil heat radiation power according to the parameter information；
Third computation subunit, for according to the starter coil heat production power and starter coil heat dissipation function
Rate calculates and obtains starter coil temperature.
Optionally, first computation subunit includes:
Subelement is inquired, for inquiring according to the starter characteristic curve and the engine mechanical parameter
Motivation electric current；
Heat production computation subunit, for obtaining the coil resistance of the starter, and according to the starter electric current, meter
It calculates and obtains starter coil heat production power.
The present invention provides a kind of overheating of starter judgment means, and acquisition obtains starter and engine in acquisition unit
Parameter information；By computing unit according to the parameter information, calculates and obtain starter coil temperature；Sentenced based on judging unit
Whether the starter coil temperature of breaking is greater than preset temperature threshold, to determine that the starter is in an overheated state.Due to adopting
With the parameter information for indicating starter genuine property, machine-heating load, that is, starter coil temperature is started in real time by calculating to obtain
Degree, judges whether starter is superheat state according to this, so as to carry out starter according to the genuine property of starter
Overheating protection is more accurate.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of overheating of starter judgment method, which is characterized in that this method comprises:
Acquisition obtains the parameter information of starter and engine；
According to the parameter information, calculates and obtain starter coil temperature；
Judge whether the starter coil temperature is greater than preset temperature threshold, if it is, determining that the starter was in
Warm status, if it is not, then determining that the starter is in normal condition.
2. the method according to claim 1, wherein this method further include:
If the starter is in normal condition, the starter driving of letting pass.
3. the method according to claim 1, wherein the parameter information of the starter and engine has included:
Characteristics of motivation curve, starter electric parameter, starter parameter and engine mechanical parameter.
4. according to the method described in claim 3, calculating obtains starter it is characterized in that, described according to the parameter information
Coil temperature, comprising:
According to the parameter information, calculates and obtain starter coil heat production power；
According to the parameter information, calculates and obtain starter coil heat radiation power；
According to the starter coil heat production power and the starter coil heat radiation power, calculates and obtain starter coil temperature
Degree.
5. according to the method described in claim 4, calculating obtains starter it is characterized in that, described according to the parameter information
Coil heat production power, comprising:
According to the starter characteristic curve and the engine mechanical parameter, inquiry obtains starter electric current；
The coil resistance of the starter is obtained, and according to the starter electric current, calculates and obtains starter coil heat production function
Rate.
6. a kind of overheating of starter judgment means, which is characterized in that the device includes:
Acquisition unit, acquisition obtain the parameter information of starter and engine；
Computing unit, for calculating and obtaining starter coil temperature according to the parameter information；
Judging unit, for judging whether the starter coil temperature is greater than preset temperature threshold, if it is, described in determining
Starter is in an overheated state, if it is not, then determining that the starter is in normal condition.
7. device according to claim 6, which is characterized in that the device further include:
Clearance unit is driven, if being in normal condition for the starter, the starter driving of letting pass.
8. device according to claim 6, which is characterized in that the parameter information of the starter and engine included:
Characteristics of motivation curve, starter electric parameter, starter parameter and engine mechanical parameter.
9. device according to claim 8, which is characterized in that the computing unit includes:
First computation subunit, for calculating and obtaining starter coil heat production power according to the parameter information；
Second computation subunit, for calculating and obtaining starter coil heat radiation power according to the parameter information；
Third computation subunit, for according to the starter coil heat production power and the starter coil heat radiation power, meter
It calculates and obtains starter coil temperature.
10. device according to claim 9, which is characterized in that first computation subunit includes:
Subelement is inquired, for according to the starter characteristic curve and the engine mechanical parameter, inquiry to obtain starter
Electric current；
Heat production computation subunit, for obtaining the coil resistance of the starter, and according to the starter electric current, calculating is obtained
Obtain starter coil heat production power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811131471.0A CN109236535A (en) | 2018-09-27 | 2018-09-27 | A kind of judgment method and device of overheating of starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811131471.0A CN109236535A (en) | 2018-09-27 | 2018-09-27 | A kind of judgment method and device of overheating of starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109236535A true CN109236535A (en) | 2019-01-18 |
Family
ID=65056334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811131471.0A Pending CN109236535A (en) | 2018-09-27 | 2018-09-27 | A kind of judgment method and device of overheating of starter |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016660A (en) * | 2019-12-24 | 2020-04-17 | 潍柴动力股份有限公司 | Storage battery power shortage judgment method and device |
| CN116146397A (en) * | 2023-04-04 | 2023-05-23 | 潍柴动力股份有限公司 | Starter control method, device, system and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6054826A (en) * | 1998-09-09 | 2000-04-25 | Denso Corporation | Backward drive control system for motorcycle |
| US20020141122A1 (en) * | 2001-04-03 | 2002-10-03 | Mitsubishi Denki Kabushiki Kaisha | Apparatus and method for protecting starter for engine against overheating |
| US6661195B1 (en) * | 1999-10-15 | 2003-12-09 | Robert Bosch Gmbh | Starting motor for an internal combustion engine, having a safety device |
| US20080258472A1 (en) * | 2005-05-26 | 2008-10-23 | Renault Trucks | Method of Controlling Power Supply to an Electric Starter |
-
2018
- 2018-09-27 CN CN201811131471.0A patent/CN109236535A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6054826A (en) * | 1998-09-09 | 2000-04-25 | Denso Corporation | Backward drive control system for motorcycle |
| US6661195B1 (en) * | 1999-10-15 | 2003-12-09 | Robert Bosch Gmbh | Starting motor for an internal combustion engine, having a safety device |
| US20020141122A1 (en) * | 2001-04-03 | 2002-10-03 | Mitsubishi Denki Kabushiki Kaisha | Apparatus and method for protecting starter for engine against overheating |
| US20080258472A1 (en) * | 2005-05-26 | 2008-10-23 | Renault Trucks | Method of Controlling Power Supply to an Electric Starter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016660A (en) * | 2019-12-24 | 2020-04-17 | 潍柴动力股份有限公司 | Storage battery power shortage judgment method and device |
| CN111016660B (en) * | 2019-12-24 | 2021-05-18 | 潍柴动力股份有限公司 | Storage battery power shortage judgment method and device |
| CN116146397A (en) * | 2023-04-04 | 2023-05-23 | 潍柴动力股份有限公司 | Starter control method, device, system and storage medium |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |
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