CN105324610B - Heater plug for preheating temperature regulation - Google Patents
Heater plug for preheating temperature regulation Download PDFInfo
- Publication number
- CN105324610B CN105324610B CN201480035085.5A CN201480035085A CN105324610B CN 105324610 B CN105324610 B CN 105324610B CN 201480035085 A CN201480035085 A CN 201480035085A CN 105324610 B CN105324610 B CN 105324610B
- Authority
- CN
- China
- Prior art keywords
- temperature
- resistance
- heater plug
- resistive element
- helix
- 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.)
- Expired - Fee Related
Links
- 230000033228 biological regulation Effects 0.000 title description 16
- 238000002485 combustion reaction Methods 0.000 claims abstract description 29
- 230000008859 change Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 14
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 3
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 36
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000008450 motivation Effects 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001313 Cobalt-iron alloy Inorganic materials 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910004369 ThO2 Inorganic materials 0.000 description 1
- 229910001093 Zr alloy Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
- F23Q7/001—Glowing plugs for internal-combustion engines
Abstract
The present invention relates to a kind of internal combustion engine in motor vehicle（64）In heater plug（10）, the heater plug include one have limit temperature-coefficient of electrical resistance resistive element（16）, the resistive element is configured to one pack system helix（44）.The resistive element is by means of being applied to the resistive element（16）On the manipulation voltage of dynamic change heat and/or be maintained in a previously given temperature.
Description
Background technology
Heater plug（Glühstiftkerze）Also known as glow plug or based on English name " glow plug " are abbreviated as GLP,
The heater plug is inserted into combustion engine for lighting Fuel-air-mixture, and the heater plug is in its temperature foot
Before enough height, it is preheated under cold state, so as to which the heater plug is sufficiently used for lighting the Fuel-air-mixture.This
Outside after activation in order to reduce the possible needs such as discharge, the heater plug at least also continues to run some time, to realize
Temperature is raised in combustion chamber.Here, electric preheating time controller（Abridge GCU, warm-up control unit " glow control
unit”）Be controlled with reference to engine controller, wherein strive for realizing heater plug the short heat time and it is controlled rear plus
Heat.
Therefore, heater plug have form be pre- heated filament resistance heating portion, the resistance heating portion at 1 to 2 second in short-term
Between be spaced in voltage cold heater plug is loaded by following manner：Reach on the top of heater plug partly more than 1000
DEG C temperature.So-called 11 volts of heater plugs and quick startup heater plug are distinguished, 11 volts of heater plugs utilize battery voltage to or car
Voltage+run is carried, the quick heater plug that starts is also known as low-voltage heater plug or is referred to as " high speed based on English
glow plug”（HS GLP）.These heater plugs within the duration of restriction in order to carry out heating using 7 to 12 volts heating
Voltage is run during warm-up phase.After so-called " propulsion phase " terminates, the voltage is reduced for nominal voltage, institute
State nominal voltage and be significantly lower than used heating voltage, such as in the range of 4 to 7 volts.It resulting in different hairs
The possibility of the temperature is adjusted or used in motivational state.The steady temperature of heater plug, in other words running temperature are about 980
℃。
Resistive heating device generally includes the heating coil line of combustion chamber side and the tune with the end welding of heating coil line
Helix is saved, the heating coil line and regulation helix are in heater plug by as outer envelope, such as metal preheating
Pipe or protection pipe coaxially around.The section being inserted into combustion chamber of economizer bank is typically filled the filling powder of electric insulation
End, such as magnesia, resistive heating device are embedded in the powder filler.It is described electrical connection generally by connecting bolt come
Realize, the connecting bolt is conductively connected with regulation helix and heating coil line.Another end of the heating coil line
Made electrical contact with economizer bank, ground connection is realized by the economizer bank.Connection plug for example may be screwed on the connecting bolt.
Therefore heating coil line in heater plug be present and adjust helix and be combined into a common resistance value, wherein
The heating coil line forms the forward part of economizer bank, heating zone.Part, i.e. regulation helix have following characteristics afterwards：It is described
Resistance increases with gradually rising for temperature, and the regulation helix has high positive temperature coefficient in other words（PTC is " just
Temperature coefficient " characteristic）.Occurs the downward of electric current when resistance value gradually increases（Abregeln）And there is the end limited
Temperature.Heating coil line and regulation helix are electrically coupled in series, and two of which helix has positive still different size of temperature-electricity
Hinder coefficient.Typically there is high resistance when heating coil line made of iron-chrome-aluminum-alloy is in room temperature, the resistance is almost
It is constantly maintained in temperature range of operation.The regulation helix generally by high purity nickel or cobalt-iron-alloy or cobalt-iron-nickel-
Alloy is made, wherein the resistance is low-down in room temperature and increased as temperature raises very much suddenly.
In addition, temperature overshoot is formd when using too high heating voltage to manipulate heater plug, so as in the propulsion phase
Unstable temperature trend afterwards be present, until temperature trend is changed into stable temperature trend.
Known a kind of side for being used to adjust the temperature of the heater plug in internal combustion engine in the A1 of DE 10 2,008 040 971
Method, wherein for each single heater plug, measured temperature and measured electricity are recorded in the reference operation of internal combustion engine
Mathematical relationship between resistance.The mathematical relationship is dynamically adjusted during the service life of heater plug.The performance of heater plug exists
With reference to measured in atmosphere in operation or by costliness and special temperature measuring set record.But heater plug is being sent out
Actual temperature during being run in motivation room is due to a variety of rim conditions, such as load, rotating speed, external temperature, diesel engine particles
Regeneration etc. influence and it is different.
The content of the invention
A kind of heater plug of the internal combustion engine for motor vehicle is proposed according to the present invention, the heater plug, which includes one, has limit
The resistive element of fixed resistance-temperature coefficient, and the resistive element is configured to one pack system helix.In addition provide, it is described
Resistive element is heated and/or is maintained in a previously given temperature by means of the manipulation voltage of dynamic change.It is described
Manipulation voltage changes according to resistance measured, related to temperature.The resistive element has the positive resistance-temperature limited
Spend coefficient.
The electricity of restriction is preferably shown in 20 DEG C to 1200 DEG C of temperature range of operation according to the heater plug of the present invention
The linear characteristic of resistance-temperature coefficient.
According to the heater plug of the present invention with the basis that is detected as of the resistance to heater plug, the resistance is at 20 DEG C to 1200 DEG C
Temperature range of operation in show the temperature dependency of restriction.The heater plug includes resistive element, and it is configured to spiral
Line, also known as one pack system helix, the one pack system helix combined in a unique helix heating coil line and
Adjust the characteristic of helix.Important material property is specific resistance and its and temperature for the one pack system helix
Correlation.
Suitable material illustrates suitable temperature dependency on specific resistance, and the material is alloy, the conjunction
Gold especially includes material group（a）In composition：Niobium, molybdenum, tantalum, tungsten and its alloy；With material group（b）In composition：Chromium, nickel,
Titanium and its alloy.According to the present invention, the one pack system helix is characterised by specific resistance ρ, in one embodiment
Based on the material group（a）When temperature is 20 DEG C, the resistance is, for example, 0.1 ± 0.06 m Ω mm, and the resistance with
Temperature rises and increased, wherein the specific resistance ρ at 1000 DEG CaFor example, 0.5 ± 0.2 m Ω mm.
Alternatively, specific resistance ρbMaterial group can be based on（b）It is, for example, 1 ± 0.1 m Ω when temperature is 20 DEG C
Mm, and when temperature is 1000 DEG C, the specific resistance of helix material for example increases as 1.25 ± 0.1 m Ω mm.
A kind of example is molybdenum-titanium-zircaloy.Another example is nickel-chromium-ferro alloy, and it is 19 that it, which has percentage by weight,
The iron and percentage by weight that chromium that nickel, percentage by weight to 60% are 14 to 25%, percentage by weight are 24 to 58% be 1 to
2.4% aluminium.Another example includes molybdenum or tungsten, with percentage by weight until 3% lanthana（La2O3）, percentage by weight
Until 3% thorium anhydride（ThO2）, percentage by weight until 3% ceria（CeO2）, percentage by weight is until 2%
Yittrium oxide（Y203）, percentage by weight until 30% rhenium and percentage by weight until 50% copper（Cu）.
Under loading state, the resistance by pre- heated filament during operation in engine room is carried out to the temperature of heater plug
Detection could only be realized in the following cases：The pre- heated filament is made up of such a unique material, and the material is whole
Sufficiently high temperature process is shown in individual temperature range of operation, particularly in the range of 20 DEG C to 1200 DEG C.So as to realize
Resistance is as steep as possible to be increased, and the resistance preferably shows linear characteristic.In addition it is necessary that the one pack system helix
In forward part in heater plug, because the heater plug is inserted into the combustion chamber of internal combustion engine only about 5 mm.
In addition a kind of method for being used to run the heater plug according to the present invention is proposed.The method according to the invention be based on
Sufficiently high precision detects to resistance, and it for example can utilize suitable measurement electricity by existing preheating time controller
Resistance is realized by current measurement with ± 0.02 Ω precision.
According to pass of the method for the temperature adjustment for heater plug based on the restriction between temperature and resistance of the present invention
System, the resistance can try to achieve in one pack system helix.By measured resistance（R）And input resistance（R0）To try to achieve resistance
Difference.Now can be by the resistance difference tried to achieve（R - R0）With known resistance-temperature of the resistance of the material of one pack system helix
Spend coefficient（dR/dT）And in input resistance（R0）When temperature T0Temperature is tried to achieve according to following formula（Tber）：
Tber =（R - R0）/（dR/dT）+ T0（1）,
The temperature is actual temperature.
According to the present invention, realized in association according to software to construction with preheating time controller or engine controller
For the manipulation of the resistive element of one pack system helix.By the processing method, can be made by means of the so-called study stage pre-
Hot time controller is matched with each heater plug.Particularly, in certain voltage level（U1）In the case of determine each heater plug
Initial temperature（T1）, the initial temperature corresponds to initial resistance（R1）.Then the voltage is improved to voltage level（U2）
And read set temperature（T2）, wherein trying to achieve resistance（R2）.May thereby determine that the resistance of the heater plug of each insertion-
Temperature coefficient.
In a kind of improvement project of the method according to the invention, when the limiting value or rated temperature of temperature are stored in preheating
Between controller software in or the controller of higher level in, the limiting value prevents the heater plug in engine room to overheat.
Invention advantage：
A kind of heater for being used to adjusting or controlling the temperature in internal combustion engine is provided according to the solution of the present invention,
The heater reliably prevents heating element overheats or fusing, because being determined by measured resistance with high precision
Manipulate voltage.Regulation helix can be particularly omitted, thus explicit costs more manufactures economically and simplifiedly heating element heater.
Therefore it can not only meet required pre- hot function, such as quick firing rate, but also maintain the stabilization once realized
Temperature.
Advantageously, measured resistance increases with the temperature of one pack system helix, wherein by manipulation voltage with increasing
High measured resistance is relatively adjusted.Therefore the PTC performances utilization of heating element heater made of unified material is dynamic
The manipulation voltage of state change supplements, for adjusting or control heater plug.
Constant monitoring to the resistance of heating element heater or one pack system helix can realize the regulation to preheating temperature, described
Preheating temperature is matched with different engine conditions by adjusting manipulation voltage.Therefore need not sent out to be accurately determined
Temperature in motivation room and constantly consider the value of the combustion characteristics on combustion engine, such as the rotating speed of combustion engine,
Fuel quantity, waste gas recycling, intake air temperature, delivery temperature and the diesel particulate filtration being injected in the combustion engine
The reproduced state of device.
Advantageously, the fastness of heater plug is improved, wherein but also being provided by the constant monitoring to resistance following
Possibility, detect the aging of heater plug and identify failure behavior in time in the conceived case.
Advantageously, the temperature is relatively tried to achieve with the resistance detected.Here, the resistance detected is formd based on
Calculate the reliable original value of temperature and provide the reliable basis of the temperature for adjusting or controlling heater plug.Due to this place
Reason method eliminates the application for being used as measuring instrument by loading thermocouple, thus reduces material cost and processing cost.
Controlled pre-heating system generally provides the protection improved to heater plug, wherein improving service life, and increases
Efficiency of combustion is in a combustion chamber entered.
In addition the more stable burning in the combustion chamber of internal combustion engine can be realized by stationary temperature, wherein obtaining
The improved exhaust value and smaller demand of exhaust after-treatment.
Brief description of the drawings
The further advantage and embodiment of the apparatus according to the invention and method are illustrated by accompanying drawing and subsequent
Specification in be described in detail.
Wherein：
Fig. 1 shows the schematical cross-sectional view of the heater plug according to prior art；
Fig. 2 shows the details of the schematical cross-sectional view of the heater plug according to the present invention；
Fig. 3 shows specific resistance v. temperature-chart of the material for heating element heater；
Fig. 4 shows the principle schematic of arrangement of the heater plug in combustion engine.
Embodiment
According to prior art by learning the cross-sectional view of heater plug 10 in Fig. 1 view.
Figure 1 illustrates heater plug 10 especially include substantially be in hollow cylindrical economizer bank 12, the economizer bank
It is connected with housing 14.Resistive element 16 is located in the economizer bank 12, and the resistive element includes regulation helix 18 and rear
Heating coil line 20 connecting, generally being welded with the regulation helix 18.The resistive element 16 that substantially spiral shape is formed
It is coaxially arranged and is preferably completely embedded in powder filler 22 with the economizer bank 12 and is used for mechanically stable and for electric exhausted
Edge.The powder filler 22 for example can be magnesia（MgO）.The regulation helix 18 and the heating coil line 20 pass through
Contact 24 conductively connects to each other, wherein the regulation helix and heating coil line series connection.The bottom of heating coil line
（Do not mark）Electrically connected by contact 26 with economizer bank end section 28.Adjust helix 18 the end not marked equally by
Another contact 30 is conductively conductively connected with substantially cylindrical connecting bolt 32.The connecting bolt 32 is by the conductive gold of energy
Category material is made.The contact 24,26,30 is it is so structured that solder joint.The circular plug 34 of hat is screwed to the connecting bolt 32
On, the circular plug is equally made up of the material of well conducting.Heater plug 10 and motor vehicle are realized by circular plug 34
Unshowned electric feed system electric current dispenser electrical connection, the electric current dispenser for example with battery and/or generator
Positive pole connection.Ground connection（Die Rückführung zur Masse）Led by contact 26, economizer bank 12, with the economizer bank
The housing 14 of electrical connection and be screwed into-unshowned engine cylinder-body in-housing threaded sections 36 realize.In addition, it is arranged in
The insulating disc 38 of dish type under circular plug 34 and close to positioning, truncated cone shape housing seal portion 40 be used for relative to housing
14 electric insulations.The economizer bank sealing 42 of another dish type is arranged in the region of economizer bank 12.The He of housing seal portion 40
The economizer bank sealing 42 is made up of the material of temperature change be electrically insulated, resistance to, wherein except electric insulation functions, also ensures
Connecting bolt 32 or regulation helix and heating coil line 18,20 are coaxially attached in economizer bank 12 and housing 14.
Variant Design：
Figure 2 illustrates the detailed view of the embodiment of the heater plug 10 according to the present invention.
Figure 2 illustrates the top of heater plug 10, and it is extend into the combustion chamber not shown further of internal combustion engine.Institute
Stating heater plug 10 equally includes economizer bank 12, and the economizer bank substantially co-axially includes pre- heated filament, and the pre- heated filament is according to this
The embodiment of invention is configured to one pack system helix 44.The one pack system helix 44 combines Fig. 1 heating coil line 20
With the characteristic and also known as heating element heater of regulation helix 18.In addition, the one pack system helix 44 is in the economizer bank 12
In be embedded in the powder filler 22 of electric insulation.Also calandria sealing is marked with 42 in fig. 2.The one pack system helix 44
Including pre- heated filament, the pre- heated filament is made up of unified material and meets the function of heating coil line 20.One pack system spiral
The unified material applied of line 44 has the resistance with PTC performances.
Figure 3 illustrates the specific resistance of the unified material suitable for one pack system helix 44（ρ）- temperature（T）-
Chart.Fig. 3 shows specific resistance（ρ is in units of m Ω mm）With the rise of temperature（T by DEG C in units of）Trend,
Wherein material group is represented with 46（a）Specific resistance ρ represent material with the scope of the elevated trend of temperature, and with 48
Material group（b）Specific resistance ρ with the scope of the elevated trend of temperature.This can be seen that material group（a）With（b）'s
Specific resistance rises with the rise of temperature, wherein specific resistance value be in respectively by the line 50,52 of top and under
The line 56,58 of side is come in the range of the value that defines.In addition, as can be seen from Figure 3 temperature range 60, load in the temperature range
According to the heater plug 10 of the present invention.The boundary of temperature range 60 is selected by following manner：On the one hand can realize enough
Preheating temperature, and on the other hand avoid heater plug 10 from overheating.The material group（a）With（b）Pass through specific resistance（ρ）And its temperature
The absolute value of degree process is distinguished, or by specific resistance as the elevated of temperature walks always to distinguish.Including for list
The material group of the unified material of component helix 44（a）With material group（b）The feature compared for example is：It it is 0 DEG C in temperature
When specific resistance it is smaller, wherein temperature rise and and then temperature coefficient it is higher.Suitable material for one pack system helix 44
Material is in the material group（a）Include：Niobium, molybdenum, tantalum, tungsten and its alloy, and in the material group（b）Include：Chromium, nickel, titanium
And its alloy.
Pre-heating system 1 is schematically illustrated in Fig. 4.The heater plug 10 extend into such as diesel oil of internal combustion engine 64 and sent out herein
In the combustion chamber 62 of motivation.The one side of heater plug 10 is connected with preheating time controller 66, and is on the other hand directed to car
Carry on electric network source 68, the onboard power system power supply manipulates the heater plug 10 by voltage.The preheating time controller
66 are connected with engine controller 70, and the engine controller guides to internal combustion engine 64 again.
In order to light Fuel-air-mixture, the heater plug 10 is continuing the propulsion phase of 1 to 2 second（Push-
Phase）In be preheated by applying voltage or overvoltage.In the existing, unshowned in Fig. 4 of the heater plug 10
In resistive element 16, electric energy is converted to heat, so as to which the temperature at the top of the heater plug 10 suddenly raises.The combustion
Material-air mixture is directed to pass through and in this heating beside the hot top of heater plug 10.With the pressure in internal combustion engine 64
Inlet air heating during contracting machine stroke relatively realizes the firing temperature of Fuel-air-mixture.
Claims (8)
- A kind of 1. internal combustion engine in motor vehicle（64）In heater plug（10）, the heater plug include one have limit resistance- The resistive element of temperature coefficient（16）, the resistive element is configured to one pack system helix（44）, wherein, the resistive element （16）Heat and/or be maintained in a previously given temperature by means of the manipulation voltage of dynamic change, its feature exists In the resistive element（16）It is made up of such a material, the material includes molybdenum or tungsten and straight comprising percentage by weight To 3% lanthana or percentage by weight until 3% ceria or percentage by weight until 2% yittrium oxide or weight hundred Divide copper of the ratio up to 50%.
- 2. heater plug according to claim 1（10）, it is characterised in that it is configured to one pack system helix（44）Resistance member Part（16）Positive resistance-temperature coefficient with restriction.
- 3. heater plug according to claim 2（10）, it is characterised in that the positive resistance-temperature coefficient of the restriction exists Linear characteristic is shown within the temperature range of 20 DEG C to 1200 DEG C.
- 4. heater plug according to any one of claim 1 to 3（10）, it is characterised in that the resistive element（16） There is 0.1 ± 0.07 m Ω mm specific resistance ρ when temperature T is 20 DEG Ca, and have 0.5 when temperature T is 1000 DEG C ± 0.2 m Ω mm specific resistance ρa。
- A kind of 5. internal combustion engine for being used to run motor vehicle（64）In, heater plug according to any one of claim 1 to 4 （10）Method, wherein being configured to one pack system helix（44）, have limit resistance-temperature coefficient resistive element （16）Resistance measured by upper basis, related to temperature change applies the manipulation voltage of dynamic change, wherein the resistance Element（16）It is heated and/or is maintained in a previously given temperature.
- 6. according to the method for claim 5, it is characterised in that by initial temperature, the resistive element（16）Measurement Resistance and initial resistance try to achieve the resistance difference related to the resistance-temperature coefficient, to calculate the resistive element （16）Actual temperature.
- 7. according to the method for claim 6, it is characterised in that by the actual temperature compared with rated temperature, its In the manipulation voltage is reduced when more than the rated temperature, and improve when less than the rated temperature resistance member Part（16）On manipulation voltage.
- 8. the method according to any one of claim 5 to 6, it is characterised in that in order to describe the heater plug（10）'s Feature, the parameter of correlation is read in before the start of the method.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013211789.2A DE102013211789A1 (en) | 2013-06-21 | 2013-06-21 | Glow plug for annealing temperature control |
| DE102013211789.2 | 2013-06-21 | ||
| PCT/EP2014/058664 WO2014202265A1 (en) | 2013-06-21 | 2014-04-29 | Sheathed glow plug for glow temperature control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105324610A CN105324610A (en) | 2016-02-10 |
| CN105324610B true CN105324610B (en) | 2017-11-21 |
Family
ID=50624591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480035085.5A Expired - Fee Related CN105324610B (en) | 2013-06-21 | 2014-04-29 | Heater plug for preheating temperature regulation |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3011230A1 (en) |
| CN (1) | CN105324610B (en) |
| DE (1) | DE102013211789A1 (en) |
| WO (1) | WO2014202265A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015221689A1 (en) | 2015-11-05 | 2017-05-11 | Robert Bosch Gmbh | Heating insert for use in a glow tube of an electrically heated glow plug |
| JP6796957B2 (en) * | 2016-06-22 | 2020-12-09 | 日本特殊陶業株式会社 | Glow plug |
| DE102016216963A1 (en) | 2016-09-07 | 2018-03-08 | Robert Bosch Gmbh | Glow tube for a glow plug and method of manufacture |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59231321A (en) * | 1983-06-13 | 1984-12-26 | Ngk Spark Plug Co Ltd | Self-control type glow plug |
| JPS63266172A (en) * | 1987-04-22 | 1988-11-02 | Mitsubishi Electric Corp | Glow plug control device for diesel engine |
| DE4029185C2 (en) * | 1990-09-14 | 1997-11-06 | Vacuumschmelze Gmbh | Glow plug |
| DE648978T1 (en) * | 1993-10-04 | 1996-06-27 | Isuzu Ceramics Res Inst | Ceramic glow plug. |
| JPH07167433A (en) * | 1993-12-13 | 1995-07-04 | Isuzu Ceramics Kenkyusho:Kk | Self current-control type glow plug |
| JPH07293417A (en) * | 1994-04-22 | 1995-11-07 | Isuzu Ceramics Kenkyusho:Kk | Self temperature control type glow plug |
| DE10014526B4 (en) * | 2000-03-23 | 2006-07-27 | NGK Spark Plug Co., Ltd., Nagoya | Self-regulating quick heating rod glow plug |
| JP2002098333A (en) * | 2000-09-26 | 2002-04-05 | Ngk Spark Plug Co Ltd | Glow plug |
| US6878903B2 (en) * | 2003-04-16 | 2005-04-12 | Fleming Circle Associates, Llc | Glow plug |
| DE102005029839A1 (en) * | 2005-06-27 | 2007-01-04 | Robert Bosch Gmbh | glow plug |
| JP2008157485A (en) * | 2006-12-21 | 2008-07-10 | Denso Corp | Glow plug |
| US20090184101A1 (en) * | 2007-12-17 | 2009-07-23 | John Hoffman | Sheathed glow plug |
| DE102008040971B4 (en) | 2008-08-04 | 2012-12-27 | Robert Bosch Gmbh | Method and device for regulating the temperature of glow plugs in an internal combustion engine |
| JP5255706B2 (en) * | 2010-06-22 | 2013-08-07 | 日本特殊陶業株式会社 | Glow plug, manufacturing method thereof, and heating device |
| JP5819651B2 (en) * | 2010-07-21 | 2015-11-24 | 日本特殊陶業株式会社 | Glow plug |
-
2013
- 2013-06-21 DE DE102013211789.2A patent/DE102013211789A1/en not_active Withdrawn
-
2014
- 2014-04-29 WO PCT/EP2014/058664 patent/WO2014202265A1/en active Application Filing
- 2014-04-29 EP EP14720140.4A patent/EP3011230A1/en not_active Withdrawn
- 2014-04-29 CN CN201480035085.5A patent/CN105324610B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105324610A (en) | 2016-02-10 |
| WO2014202265A1 (en) | 2014-12-24 |
| DE102013211789A1 (en) | 2014-12-24 |
| EP3011230A1 (en) | 2016-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105308392B (en) | For the economizer bank for the heater plug that can be adjusted | |
| EP0601727B1 (en) | Ceramic glow plug heater having matching coefficients of thermal expansion | |
| CN105324610B (en) | Heater plug for preheating temperature regulation | |
| EP0098035B2 (en) | Quick heat self regulating electric glow plug heater | |
| US4725711A (en) | Self temperature control type glow plug | |
| JPS6161013B2 (en) | ||
| US20100094524A1 (en) | Method and Device for Glowplug ignition Control | |
| JP4816385B2 (en) | Glow plug | |
| JP2009536780A5 (en) | ||
| US20090200286A1 (en) | Metallic sheathed-element glow plug including temperature measurement | |
| JP2010101294A (en) | Fuel heating apparatus | |
| US10876451B2 (en) | Vehicle and control method for vehicle | |
| JPS59153027A (en) | Glow plug | |
| CN105308391B (en) | Heater plug and its manufacture method | |
| JP2013526675A (en) | Method and apparatus for reducing temperature tolerance of glow plug | |
| KR20190035533A (en) | Tank heater | |
| JP5948740B2 (en) | Control unit integrated glow plug and its energization control method | |
| JP2004061041A (en) | Ceramic glow plug | |
| JP6588463B2 (en) | Ignition system configuration | |
| CN114263535B (en) | Method for effectively improving ignition reliability of miniature turbojet engine | |
| JP5540841B2 (en) | Glow plug energization control device | |
| JPH031014A (en) | Self-controlled type ceramic glow plug | |
| JPS642855B2 (en) | ||
| Dreßler | Start-assist systems | |
| JPH0339213B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171121 Termination date: 20190429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |