CN203133008U - Plate-type oxygen sensor for motorcycle - Google Patents
Plate-type oxygen sensor for motorcycle Download PDFInfo
- Publication number
- CN203133008U CN203133008U CN 201320041797 CN201320041797U CN203133008U CN 203133008 U CN203133008 U CN 203133008U CN 201320041797 CN201320041797 CN 201320041797 CN 201320041797 U CN201320041797 U CN 201320041797U CN 203133008 U CN203133008 U CN 203133008U
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- Prior art keywords
- terminal
- oxygen sensor
- chip
- type oxygen
- electrode terminal
- Prior art date
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- 239000001301 oxygen Substances 0.000 title claims abstract description 35
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 35
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
- 239000010935 stainless steel Substances 0.000 claims abstract description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 32
- 235000014676 Phragmites communis Nutrition 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Measuring Oxygen Concentration In Cells (AREA)
Abstract
The utility model relates to a plate-type oxygen sensor for a motorcycle. The plate-type oxygen sensor for the motorcycle comprises a protective sleeve, a protecting pipe, a base, a chip, a terminal cassette, electrode terminals, an insulated bushing, sealing elements, a sealing plug and leads, wherein the protecting pipe and the protective sleeve are respectively connected to two ends of a stainless steel base; inner cavities of the protecting pipe, the protective sleeve and the stainless steel base are mutually communicated to form a cylindrical cavity with an opening at one end; the cavity corresponding to one end of the protecting pipe is an air inlet cavity; the sealing plug is plugged at the open end of the cavity; the terminal cassette, the insulated bushing and the sealing elements are arranged inside the cavity in parallel; a plurality of electrode terminals are arranged inside the cavities; the chip is connected with the insulated bushing and the sealing element in a penetrating manner; the electrode at one end of the chip is connected with the corresponding electrode terminal; the other end of the chip is arranged inside the air inlet cavity; and one ends of the leads are connected with the electrode terminals through the sealing plug. The plate-type oxygen sensor for the motorcycle has the advantages of being simple in structure, convenient to manufacture, high in yield, low in manufacturing cost and long in service life.
Description
Technical field
The utility model relates to board-like lambda sensor, designs a kind of motorcycle plate type oxygen sensor especially.
Background technology
The laws and regulations requirement of vehicular emission is strict day by day, so the electric injection system of closed-loop control will become main flow.Lambda sensor is requisite element on the modern closed-loop feed-back type motorcycle with electronic fuel injection system, from electric injection system ECU monitoring engine gasoline air mixture ratio converge on all the time near the chemically correct fuel result of study as can be known, the quality of oxygen sensor performance plays crucial effects to the emission performance of motor exhaust.
The motorcycle lambda sensor originates from German Bosch's money and U.S.'s Delphi money mostly in the market. German Bosch's money, and there is following deficiency in these motorcycle lambda sensors:
1) complex structure, the assembling difficulty is difficult to realize the robotization assembling; 2) the manufacture craft difficulty makes that greatly yield rate is low, for example relates to stainless steel pedestal flange in the chipset process of assembling, and defective chip causes waste product easily; 3) technological process is many, for example, needs after electrode terminal is assembled in the terminal deck together with the instrument operation that the fixedly pin of electrode terminal is fixing; 4) manufacturing equipment accuracy requirement height is difficult in maintenance, invests bigger.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art, and a kind of simple in structure, easy to manufacture, motorcycle plate type oxygen sensor that yield rate is high is provided.Concrete technical scheme is as follows:
Described plate type oxygen sensor, comprise protective casing, protection tube, pedestal, chip, terminal deck, electrode terminal: insulating bushing, seal, sealing-plug and lead; Described protection tube is provided with the sealing of some air admission holes and an end, and this protection tube and protective casing are connected to the two ends of stainless steel pedestal, and three's inner chamber is interconnected and forms the column cavity of an end opening, is inlet chamber corresponding to the cavity of protection tube one end; The openend of sealing-plug plug protective casing afterbody; Described terminal deck, insulating bushing and seal place in the described cavity side by side, several described electrode terminals place in the cavity, described chip cross-under: insulating bushing and seal, several electrodes of chip one end connect with corresponding electrode terminal respectively, the chip other end that is used for induction gas places described inlet chamber, and described lead one end passes sealing-plug and is connected with electrode terminal.
Described plate type oxygen sensor is characterised in that: described terminal deck places an end of described cavity opening, and described electrode terminal is in the described cavity between terminal deck and the pedestal, and electrode terminal one side pressure is touched on the counter electrode of chip.
Described plate type oxygen sensor is characterised in that: described electrode terminal is the geometric form that is bent to elastically deformable by conducting metal.
Described plate type oxygen sensor is characterised in that: described electrode terminal is a pair of in twos, and symmetry is placed, and described chip places between the electrode terminal of described symmetry placement, and each electrode terminal is corresponding with corresponding chip electrode.
Described plate type oxygen sensor is characterised in that: the electrode terminal upper sleeve through one terminal lining of described terminal deck, this terminal lining center is provided with jack hole, this jack hole corresponding to electrode terminal be tied direction width less than counterparty under the electrode terminal free state to width.
Described plate type oxygen sensor is characterised in that: the corresponding protective casing inner chamber of described terminal lining is provided with a spring clip, and this spring clip is connected to the periphery of terminal lining and the periphery of pedestal one end, and the terminal lining is circumferentially located.
The feature of described plate type oxygen sensor also is: described spring clip is inc annulus, the circumference of annulus uniform several radially the outside perk reed, the spring clip is connected in the described inner chamber by this reed.
Described plate type oxygen sensor is characterised in that: described: insulating bushing and seal place the corresponding inner chamber of described pedestal, two insulating bushings place the two ends of pedestal inner chamber respectively, seal places between described two insulating bushings, and the seal is tightly connected with the corresponding surface of contact of chip and described inner chamber.
Described plate type oxygen sensor is characterised in that: place the insulating bushing of corresponding protective casing one end of pedestal inner chamber to be distributed in some points that make progress in pedestal week by riveting, be fixed in the inner chamber of pedestal.
Described plate type oxygen sensor is characterised in that: described protection tube comprises inner sleeve and outer tube, and outer tube is socketed on the inner sleeve, and internal and external casing is totally one bottom, is respectively equipped with air admission hole on the internal and external casing, and staggers mutually in the air admission hole position on the internal and external casing.
The beneficial effects of the utility model are: seal simple in structure, be convenient to assembling, and for example pedestal is to fix insulating bushing with the riveting mode not only to have reduced the product fitted position but also be convenient to electrode terminal to be assembled in the terminal deck; Structure of the present utility model makes that also assembly technology is succinct and it is reliable to connect, and for example the electrode terminal mode of dock with chip electrode had both reduced process flow, enhanced productivity effectively, electrode terminal is firmly contacted with the maintenance of chip electric energy be connected; The two protection tubes of bilayer of the present utility model can more effectively reduce lambda sensor at work because of the erosion of various harmful elements in addition, thus the serviceable life of improving product.
Description of drawings
Fig. 1 is the structural representation of the utility model plate type oxygen sensor.
Fig. 2 is electrode terminal, press to touch reed, with chip on the mutual location diagram of electrode 3a.
Fig. 3 is the structural representation of the utility model terminal deck.
Fig. 4 is that the terminal lining is socketed in the structural representation of pressing on the tactile reed.
Fig. 5 is the structural representation of spring clip.
Fig. 6 is insulating bushing is positioned at the pedestal inner chamber by riveting synoptic diagram.
Embodiment
Contrast Fig. 1, plate type oxygen sensor of the present utility model, mainly by protective casing 5, protection tube 2, pedestal 4, chip 3, terminal deck 8, electrode terminal 9: insulating bushing 11, seal 12, sealing-plug 8 and lead 13 are formed.Pedestal 4, protection tube 2 and protective casing 5 are all made by stainless steel, and wherein protection tube 2 and protective casing 5 are the pipe shape, and protection tube 2 is provided with some air admission hole 2a and end sealing; This protection tube 2 and protective casing 5 are connected to the two ends of stainless steel pedestal 4, and three's inner chamber is interconnected and forms the column cavity of an end opening, is air inlet cavity A corresponding to protection tube one end.Sealing-plug 7 is made plug at the openend of described cavity by rubber; Terminal deck 8, insulating bushing 11 and seal 12 also are arranged in the described cavity, four electrode terminals 9 place in the described cavity, the one end is connected with terminal deck 8, chip 3 is connected to the core of insulating bushing 11 and seal 12, and 4 electrodes of chip one end connect with corresponding 4 electrode terminals 9 respectively.Another gas sensing end of chip places above-mentioned air inlet cavity A.Lead 13 1 ends pass sealing-plug and are connected with electrode terminal 9.
The further decision design of above-mentioned lambda sensor is that protective casing 5 is contraction-like bottleneck corresponding to described cavity opening one end; terminal deck 8 is arranged on the bottleneck of an end of described cavity opening; make terminal deck 8 obtain axial location in bottleneck; the electrode terminal 9 that connects on it is between terminal deck 8 and the pedestal 4 in the cavity, and electrode terminal 9 is in electrode 3a one side of chip.Electrode terminal is to be bent to by copper sheet that an end shown in Figure 2 is untight to be similar to leg-of-mutton geometric form, this solid elastically deformable, width when not being tied under the free state is L1, and when suffering restraints, the width dimensions L1 of constraint direction will produce recoverable elasticity to be changed.
Contrast Fig. 3,4 electrode terminals 9 of present embodiment are a pair of in twos, and symmetry is placed, and in conjunction with Fig. 1, chip 3 places between the electrode terminal 9 of symmetry placement, and makes each electrode terminal 9 corresponding to an electrode 3a on the chip 3.
The utility model keeps closely contacting with the electrode of chip 3 in order to make electrode terminal 9, has adopted a terminal lining 10, referring to Fig. 4.The electrode terminal 9 that is connected on the terminal deck 8 is set in the terminal lining 10.The center of terminal lining 10 is provided with the jack hole 10a of rectangle, (corresponding to the electrode terminal direction that is tied) width of this jack hole 10a less than counterparty under the electrode terminal free state to width L1, when terminal lining 10 is set on the electrode terminal 9 by jack hole 10a, electrode terminal is squeezed and is out of shape, produce internal stress thus, electrode terminal 9 is closely pressed touch on chip counter electrode 3a, see also Fig. 5.
In described cavity, locate better in order to make terminal lining 10; terminal lining 10 corresponding cavity inner walls be protective casing 5 in spring clip 6 is set; this spring clip is connected to the outer circumferential side of terminal lining 11; spring clip 6 is inc annulus; the circumference of annulus uniform several radially the outside perk reed 6a; this reed is connected to the outer circumferential side of terminal lining, and the terminal lining is circumferentially located.See also Fig. 4, spring clip 6a is inc annulus, the circumference of annulus uniform 3 radially the outside perk reed 6a, the spring clip is connected in the described inner chamber by this reed, and the spring clip radially is being compressed, and radial dimension diminishes, can tightly be stuck on the terminal lining 10, spring clip 6 one ends rest on the step surface of pedestal 4 ends, make its axial location, make terminal lining 10 and pedestal 4 relative fixed.The electrode of chip 3 can be realized stable contact for a long time with electrode terminal 9 like this, and spring clip 7 also plays cushioning effect simultaneously, and chip 3 is better protected, and increases the service life.
It is that insulating bushing 11 and seal 12 are placed pedestal 4 corresponding inner chambers that the utility model preferably designs, two insulating bushings 11 place the two ends of pedestal 4 inner chambers respectively, seal places between this two insulating bushing 11, the inner chamber that pedestal 4 connects protection tube 2 one ends is provided with step surface 4a, and this step surface carries out axial location to the insulating bushing 11 on right side; The insulating bushing 11(in left side is the insulating bushing of corresponding protection tube one end) be positioned in the inner chamber of pedestal 4 by riveting; riveting pressure point 4a is around making progress in 4 weeks of pedestal; be equally distributed; the inside salient point that riveting forms is just in time spacing to insulating bushing 11; make insulating bushing 11 in pedestal 4 inner chambers location, referring to Fig. 5.Seal is three layers, makes with Binder Materials, and the seal 12 is tightly connected with the corresponding surface of contact of chip and described inner chamber.
The further preferred design of the utility model is that also protection tube 2 is inside and outside two-layer sleeve pipe; outer tube 2a is socketed on the inner sleeve 2b; internal and external casing is totally one bottom, is respectively equipped with air admission hole 2c on the internal and external casing, and staggers mutually in the air admission hole 2c position on the internal and external casing.Filtering and stabilization processes tail gas of this structure reduced objectionable constituent in the tail gas to the murder by poisoning of chip electrode, thereby and can effectively alleviate tail gas the thermal shock of chip is prolonged sensor life-time.
When plate type oxygen sensor of the present utility model is worked; tail gas enters from the air admission hole 2c of inside and outside protection tube; chip 3 launched machine burnt gas heating activate and produce electric current, produce different output voltage signals because of oxygen content change in the engine combustion waste gas.Lambda sensor changes to change the height of this output voltage signal according to the height of oxygen ion concentration in the engine combustion waste gas.Lambda sensor is when the work air-fuel ratio of engine is thinning, and oxygen content concentration raises in the exhaust, and at this moment, the output voltage signal of lambda sensor is near 0V; When air-fuel ratio, oxygen content reduces in the exhaust, and the output voltage of sensor will be near 1V.Voltage signal is transferred on the lead 13 through electrode terminal 12, and be transferred to the electronic control module ECM of engine through lead, electronic control module ECM is according to the voltage signal of input and the program of setting, pass through executive component, the supply of control fuel oil keeps engine to be in comparatively ideal air-fuel ratio fuel delivery state.
Claims (10)
1. motorcycle plate type oxygen sensor is characterized in that: comprise protective casing, protection tube, pedestal, chip, terminal deck, electrode terminal: insulating bushing, seal, sealing-plug and lead; Described protection tube is provided with the sealing of some air admission holes and an end, and this protection tube and protective casing are connected to the two ends of stainless steel pedestal, and three's inner chamber is interconnected and forms the column cavity of an end opening, is inlet chamber corresponding to the cavity of protection tube one end; The sealing-plug plug is at the openend of described cavity; Described terminal deck, insulating bushing and seal place in the described cavity side by side, several described electrode terminals place in the cavity and with described terminal deck and are connected, described chip cross-under: insulating bushing and seal, several electrodes of chip one end connect with corresponding electrode terminal respectively, the chip other end that is used for induction gas places described inlet chamber, and described lead one end passes sealing-plug and is connected with electrode terminal with the terminal deck.
2. a kind of motorcycle plate type oxygen sensor according to claim 1, it is characterized in that: described terminal deck places an end of described cavity opening, described electrode terminal is in the described cavity between terminal deck and the pedestal, and electrode terminal one side pressure is touched on the counter electrode of chip.
3. a kind of motorcycle plate type oxygen sensor according to claim 2, it is characterized in that: described electrode terminal is the geometric form that is bent to elastically deformable by conducting metal.
4. a kind of motorcycle plate type oxygen sensor according to claim 3, it is characterized in that: described electrode terminal is a pair of in twos, symmetry is placed, and described chip places between the electrode terminal of described symmetry placement, and each electrode terminal is corresponding with corresponding chip electrode.
5. according to each described a kind of motorcycle plate type oxygen sensor of claim 1-4, it is characterized in that: the electrode terminal upper sleeve through one terminal lining of described terminal deck, this terminal lining center is provided with jack hole, this jack hole corresponding to electrode terminal be tied direction width less than counterparty under the electrode terminal free state to width.
6. a kind of motorcycle plate type oxygen sensor according to claim 5, it is characterized in that: the corresponding inner chamber of described terminal lining is provided with the spring clip, and this spring clip is connected to the outer circumferential side of terminal lining, and the terminal lining is circumferentially located.
7. a kind of motorcycle plate type oxygen sensor according to claim 6, it is characterized in that: described spring clip is inc annulus, the circumference of annulus uniform several radially the outside perk reed, the spring clip is connected in the described inner chamber by this reed.
8. a kind of motorcycle plate type oxygen sensor according to claim 1, it is characterized in that: described: insulating bushing and seal place the corresponding inner chamber of described pedestal, two insulating bushings place the two ends of pedestal inner chamber respectively, seal places between described two insulating bushings, and the seal is tightly connected with the corresponding surface of contact of chip and described inner chamber.
9. a kind of motorcycle plate type oxygen sensor according to claim 7 is characterized in that: place the insulating bushing of corresponding protective casing one end of pedestal inner chamber to be distributed in some points that make progress in pedestal week by riveting, be fixed in the inner chamber of pedestal.
10. a kind of motorcycle plate type oxygen sensor according to claim 1; it is characterized in that: described protection tube comprises inner sleeve and outer tube; outer tube is socketed on the inner sleeve; internal and external casing is totally one bottom; be respectively equipped with air admission hole on the internal and external casing, and stagger mutually in the air admission hole position on the internal and external casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320041797 CN203133008U (en) | 2013-01-25 | 2013-01-25 | Plate-type oxygen sensor for motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320041797 CN203133008U (en) | 2013-01-25 | 2013-01-25 | Plate-type oxygen sensor for motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203133008U true CN203133008U (en) | 2013-08-14 |
Family
ID=48940980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320041797 Expired - Fee Related CN203133008U (en) | 2013-01-25 | 2013-01-25 | Plate-type oxygen sensor for motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203133008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115945A (en) * | 2013-01-25 | 2013-05-22 | 镇江泛沃汽车零部件有限公司 | Planar oxygen sensor for motorcycle |
| CN111413462A (en) * | 2020-03-21 | 2020-07-14 | 温州市恒驰传感器有限公司 | Plug air inlet structure for oxygen sensor |
-
2013
- 2013-01-25 CN CN 201320041797 patent/CN203133008U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115945A (en) * | 2013-01-25 | 2013-05-22 | 镇江泛沃汽车零部件有限公司 | Planar oxygen sensor for motorcycle |
| CN103115945B (en) * | 2013-01-25 | 2016-01-13 | 镇江能斯特汽车科技有限公司 | A kind of flat-plate type oxygen sensor used for motorcycle |
| CN111413462A (en) * | 2020-03-21 | 2020-07-14 | 温州市恒驰传感器有限公司 | Plug air inlet structure for oxygen sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHENJIANG NERNST AUTOMOTIVE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHENJIANG FINEWORLD AUTOMOBILE COMPONENTS CO., LTD. Effective date: 20150604 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150604 Address after: 212009 Zhenjiang high tech Industrial Development Zone, Jiangsu, No. seven, No. 19 Patentee after: Zhenjiang Nernst Automotive Technology Co., Ltd. Address before: 212009 Zhenjiang high tech Industrial Development Zone, Jiangsu, No. seven, No. 19 Patentee before: Zhejiang Fineworld Automobile Cpmponents Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20180125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |