CN102207294A - Glow plug - Google Patents
Glow plug Download PDFInfo
- Publication number
- CN102207294A CN102207294A CN2011100761530A CN201110076153A CN102207294A CN 102207294 A CN102207294 A CN 102207294A CN 2011100761530 A CN2011100761530 A CN 2011100761530A CN 201110076153 A CN201110076153 A CN 201110076153A CN 102207294 A CN102207294 A CN 102207294A
- Authority
- CN
- China
- Prior art keywords
- otch
- sleeve pipe
- glowing plug
- plug according
- igniter
- 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.)
- Pending
Links
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
- F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
- F02P19/028—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs the glow plug being combined with or used as a sensor
-
- 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
- F23Q2007/002—Glowing plugs for internal-combustion engines with sensing means
Abstract
The invention relates to a glow plug comprising a housing, a glow element which extends out of the housing, a supply lead which is connected to the glow element via a contact spring and is enclosed by the housing. According to the invention, the contact spring is a sleeve having at least one slit extending transversely to the longitudinal direction of the sleeve.
Description
Technical field
The present invention relates to a kind of glowing plug (glow plug), relate in particular to a kind of as claim 1 glowing plug as described in the preamble.
Background technology
For delivered current and compensate the motion of igniting element, glowing plug can assemble a contact spring, and igniter is connected by this spring with power line.
Summary of the invention
The object of the present invention is to provide a kind of method that can effectively save the manufacturing cost of glowing plug.
This technical problem can be resolved by the igniter plug with the described feature of claim 1, and the present invention further is improved to the theme of dependent claims.
According to the present invention, contact spring is a sleeve pipe, and this sleeve pipe has at least one otch that traverses the casing length direction, and under this method, improvement is simplified in its whole assembling greatly.Promptly contact spring can be simply and igniter and power line, such as being inserted on the igniter coaxial setting.The inclination that can easily avoid external spring deflection to produce like this.Contact spring realization easily and igniter and power line are fixedly connected, and for example by welding, scolding tin, or circumnutate.
Be further used as the improvement of technical solution of the present invention, the spring hardness of contact spring can reach the requirement of the glowing plug of given type by the adjustment to spring otch quantity.Do not change the technical conditions of installation, the hardness of spring can accurately design as required, and can be complementary with the installing space of the type glowing plug.
Be further used as the improvement of technical solution of the present invention, at least one otch extends perpendicular to the casing length direction.A sleeve pipe that has elastic extension or ductility in the longitudinal direction also can be realized by one or more otch at interval is set in the casing length direction.The degree of depth of otch or all otch is preferably more than half of cover external diameter of pipe.If the degree of depth of otch is too small, then sleeve pipe deformability has in the vertical only obtained very little raising.The degree of depth of otch is greater than 2/3rds, even 3rd/4th of the cover external diameter of pipe, and is particularly preferred.Notch depth for the cover external diameter of pipe 1/10th to 1/5th between be particularly preferred.The degree of depth of otch can be regarded as its extension degree of depth perpendicular to the casing length direction of expression.
Be further used as the improvement of technical solution of the present invention, the possible maximum compressibility of spring is decided by the width of otch or all otch, kerf width for cover external diameter of pipe length 1/10th to 1/4th between, particularly be particularly preferred embodiment between 1/7th to 1/4th.
Be further used as the improvement of technical solution of the present invention, be provided with two otch at least, it is distributed on the length direction of sleeve pipe at interval.Extra otch can also be set, can be used for reducing the hardness of contact spring.Particularly preferably, the bearing of trend of two otch is different, and preferably its direction is opposite.Have only at sleeve pipe under the situation of an otch, will appear at the trend of load condition setting of casing to a direction bending.The otch that provides a plurality of different directions to extend on sleeve pipe can avoid casing buckling to make it more stable.When two otch bearing of trends are opposite, be especially favourable particularly, radially opposite such as two cut-out directions of sleeve pipe, spaced apart on the casing length direction.These otch are not that the position is opposite mutually, but are mutually opposite with respect to the direction of all otch of otch matrix.
Be further used as the improvement of technical solution of the present invention, the distance from the edge metering of a kerf wherein to another notching edge between adjacent two otch is at least 1/10th of cover external diameter of pipe, preferably is at least 1/7th of cover external diameter of pipe.
Be further used as the improvement of technical solution of the present invention, power line inserts in the sleeve pipe, is convenient to simply, installs efficiently.Particularly preferably the power line backfin is connected on the sleeve pipe.Adopt this kind mode easily to form and be fit to transmit being electrically connected of high-intensity currrent.
Be further used as the improvement of technical solution of the present invention, igniter can insert in the sleeve pipe.What but, preferably insert in the sleeve pipe is intermediate mass between igniter and sleeve pipe.Advantage is that this intermediate mass can bring the accommodation between casing diameter and igniter diameter.
More details of the present invention and advantage can explain orally by specific embodiment with reference to the accompanying drawings.
It preferably has a ceramic igniter according to glowing plug of the present invention, though also can be furnished with a metal igniter, particularly steel.But, carry out simple length compensation by a contact spring among the present invention and seem most important because ceramic igniter is frangible, especially for this ceramic igniter.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the concrete enforcement figure of glowing plug embodiment of the present invention;
Fig. 2 is the profile of glowing plug of the present invention;
Fig. 3 is contact spring figure of the present invention.
The specific embodiment
Hot-wire ignition shown in Figure 1 is plugged with a shell 1, and a ceramic igniter 2 is stretched out in this shell front end outside.The rear end of glowing plug is provided with an electromotive force and connects (potential connection) 3, can be connected to voltage source by its igniter 2.Shell 1 uses as ground wire.
Figure 2 shows that the end section cutaway view of glowing plug shown in Figure 1.One is sleeve pipe by contact spring 5() power line 4 that is connected to igniter 2 extends the electromotive force that leaves in the shell 1 and connects 3.Contact spring 5 shown in Figure 3 is designed to one and has a plurality of metal sleeves that traverse the otch 6 of casing length direction.Two otch 6 are more specifically provided, situation as shown in embodiment.
Two otch 6 keep at a certain distance away on the length direction of cylinder-shaped sleeve 5.Two otch 6 extend in the opposite direction, and as shown in Figure 2, an otch 6 extends from left to right, and another otch 6 extends from right to left.The width of two otch 6 has determined that spring in the longitudinal direction can compressed maximum magnitude.Preferably the width of otch 6 is greater than the wall thickness of sleeve pipe 5.The width of otch 6 is for 1/10th to 1st/4th of the cover external diameter of pipe, and is particularly preferred.The width of the otch shown in the embodiment is 1/5th of sleeve pipe 5 external diameters.
The distance that two otch are 6, the length from the edge metering of one of them otch to the edge of another otch preferably is at least 1/10th of contact spring 5 external diameters.Preferably this distance is 1/7th to 1/4th of the cover external diameter of pipe.Further, the distance of 6 at two otch preferably otch 6 width 1/2nd between the twice.The distance that two otch shown in the embodiment are 6 approximately equates with the width of otch 6.
Preferably otch 6 extends perpendicular to the length direction of sleeve pipe 5, extends though these otch 6 also can favour length direction basically.Otch 6 is positioned on the cylindrical cross-section of sleeve pipe and has a degree of depth, be preferably cylindrical shroud tube section external diameter 1/10th to 1/5th between, particularly between 1/7th to 1/5th.Preferably sleeve pipe 5 has consistent diameter, situation as shown in the Examples along its whole length.But sleeve pipe 5 can have another different diameter at the one end, with convenient power line 4, igniter 2, the perhaps miscellaneous part of embedding.
Above-described glowing plug is a pressure measxurement glowing plug, and igniter 2 is moved by the backhaul power of the longitudinal direction of opposing opposite shell 1.Igniter 2 detects by a sensor with respect to the position of shell 1, and this sensor does not have description in this manual, and the pressure of combustion chamber is also determined on this basis.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite of spirit of the present invention, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (10)
1. glowing plug comprises:
Shell (1);
Extend the outer igniter (2) of shell (1);
Be closed in the power line (4) in the shell (1), this power line is connected with igniter (2) by contact spring (5), it is characterized in that:
Described contact spring (5) is a sleeve pipe, has the otch (6) that traverses this casing length direction on this sleeve pipe at least.
2. glowing plug according to claim 1 is characterized in that: described otch (6) extends perpendicular to the casing length direction.
3. glowing plug according to claim 1 is characterized in that: the degree of depth of described otch (6) surpasses half of sleeve pipe (5) external diameter, preferably surpasses 2/3rds, particularly preferably surpasses 3/4ths.
4. glowing plug according to claim 1 is characterized in that: described otch (6) is a straight cut.
5. glowing plug according to claim 1 is characterized in that: the width of described otch (6) be sleeve pipe (5) external diameter 1/10th to 1/4th between.
6. glowing plug according to claim 1 is characterized in that: have two otch spaced apart at least on sleeve pipe (5) length direction, the bearing of trend of two otch is different, and preferred orientations is opposite.
7. glowing plug according to claim 6 is characterized in that: adjacent two otch (6), the distance from one of them notching edge measurement to another notching edge is at least 1/10th of sleeve pipe (5).
8. glowing plug according to claim 1 is characterized in that: described sleeve pipe (5) is embedded in power line (4).
9. according to above any described glowing plug of claim, it is characterized in that: described sleeve pipe adopts the backfin mode to be connected with power line (4).
10. glowing plug according to claim 1 is characterized in that: embed the intermediate mass (7) that is positioned between igniter (2) and the sleeve pipe in the described sleeve pipe.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010013598.4 | 2010-03-31 | ||
| DE102010013598A DE102010013598B4 (en) | 2010-03-31 | 2010-03-31 | glow plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102207294A true CN102207294A (en) | 2011-10-05 |
Family
ID=44650025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100761530A Pending CN102207294A (en) | 2010-03-31 | 2011-03-29 | Glow plug |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20110240629A1 (en) |
| CN (1) | CN102207294A (en) |
| DE (1) | DE102010013598B4 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011054511B4 (en) * | 2011-07-05 | 2013-08-29 | Borgwarner Beru Systems Gmbh | glow plug |
| DE102012110142B4 (en) | 2012-10-24 | 2016-06-02 | Borgwarner Ludwigsburg Gmbh | pressure monitor |
| FR2998928A1 (en) * | 2012-12-04 | 2014-06-06 | Bosch Gmbh Robert | Glow plug for diesel engine, has electrode comprising tubular extensible segment formed by elastically deformable rings connected by connection arches, where arches are shifted from one of rings to following ring in peripheral direction |
| DE102013211713A1 (en) * | 2013-06-20 | 2014-12-24 | Robert Bosch Gmbh | glow plug |
| JP6370663B2 (en) * | 2014-10-09 | 2018-08-08 | 日本特殊陶業株式会社 | Glow plug |
| DE102016114929B4 (en) * | 2016-08-11 | 2018-05-09 | Borgwarner Ludwigsburg Gmbh | pressure measuring glow |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176688A (en) * | 1995-02-28 | 1998-03-18 | 罗伯特·博施有限公司 | Pencil type glow plug for diesel engines |
| CN1190812A (en) * | 1996-11-19 | 1998-08-19 | 日本特殊陶业株式会社 | Ceramic hot-wire ignition pluger |
| US20070209624A1 (en) * | 2004-03-16 | 2007-09-13 | Thomas Ludwig | Sheathed-Element Glow Plug Having An Elastically Mounted Glow Element |
| CN101180501A (en) * | 2005-04-12 | 2008-05-14 | 西门子Vdo汽车公司 | Bougie de prechauffage a capteur de pression integre |
| US20080264373A1 (en) * | 2005-05-09 | 2008-10-30 | Peter Boehland | Sheathed Element Glow Plug Having a Combustion Chamber Pressure Sensor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1206049B (en) * | 1961-09-14 | 1965-12-02 | Amp Inc | Electrical connection terminal for distribution cable |
| US4846736A (en) * | 1982-04-30 | 1989-07-11 | Prestolite Wire Corporation | Ignition wire terminal |
| DE8314801U1 (en) * | 1983-05-19 | 1983-09-15 | Robert Bosch Gmbh, 7000 Stuttgart | Electrical plug connection on high voltage cable |
| DE3518030A1 (en) * | 1985-05-20 | 1986-11-20 | Multi Contact Ag | ELECTRICALLY CONDUCTIVE CONTACT DEVICE |
| US6094122A (en) * | 1999-09-08 | 2000-07-25 | Ford Motor Company | Mechanical locking connection for electric terminals |
| US7351935B2 (en) * | 2004-06-25 | 2008-04-01 | Ngk Spark Plug Co., Ltd. | Method for producing a ceramic heater, ceramic heater produced by the production method, and glow plug comprising the ceramic heater |
| NO324106B1 (en) * | 2004-09-24 | 2007-08-20 | Sperre Mek Verksted As | Method and design of stamping machine |
| JP2008020176A (en) * | 2006-06-14 | 2008-01-31 | Ngk Spark Plug Co Ltd | Glow plug with built-in sensor |
-
2010
- 2010-03-31 DE DE102010013598A patent/DE102010013598B4/en not_active Expired - Fee Related
-
2011
- 2011-03-22 US US13/069,250 patent/US20110240629A1/en not_active Abandoned
- 2011-03-29 CN CN2011100761530A patent/CN102207294A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176688A (en) * | 1995-02-28 | 1998-03-18 | 罗伯特·博施有限公司 | Pencil type glow plug for diesel engines |
| CN1190812A (en) * | 1996-11-19 | 1998-08-19 | 日本特殊陶业株式会社 | Ceramic hot-wire ignition pluger |
| US20070209624A1 (en) * | 2004-03-16 | 2007-09-13 | Thomas Ludwig | Sheathed-Element Glow Plug Having An Elastically Mounted Glow Element |
| CN101180501A (en) * | 2005-04-12 | 2008-05-14 | 西门子Vdo汽车公司 | Bougie de prechauffage a capteur de pression integre |
| US20080264373A1 (en) * | 2005-05-09 | 2008-10-30 | Peter Boehland | Sheathed Element Glow Plug Having a Combustion Chamber Pressure Sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010013598B4 (en) | 2012-05-24 |
| DE102010013598A1 (en) | 2011-10-06 |
| US20110240629A1 (en) | 2011-10-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111005 |