CN202903732U - Flat wide-range oxygen sensor with rapid response - Google Patents
Flat wide-range oxygen sensor with rapid response Download PDFInfo
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- CN202903732U CN202903732U CN 201220574055 CN201220574055U CN202903732U CN 202903732 U CN202903732 U CN 202903732U CN 201220574055 CN201220574055 CN 201220574055 CN 201220574055 U CN201220574055 U CN 201220574055U CN 202903732 U CN202903732 U CN 202903732U
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- heating wire
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Abstract
The utility model discloses a flat wide-range oxygen sensor with rapid response. The oxygen sensor comprises an electric heating wire, wherein an outer pumping oxygen electrode is arranged on the upper surface of a pumping oxygen matrix made of a zirconia material in a screen printing mode; an inner pumping oxygen electrode, a diffusion barrier layer and an outer sensing electrode are clamped in sequence between the pumping oxygen matrix and a sensing matrix made of a zirconia material; a reference channel is shaped on a channel plate; an inner sensing electrode is arranged at the lower surface of the sensing matrix in a screen printing mode; a first insulating layer, the electric heating wire and a second insulating layer are arranged in sequence at the lower part of the channel plate; a heating matrix made of a zirconia material is positioned at the lower part of the second insulating layer; a heating extraction electrode of the electric heating wire is arranged at the lower surface of the heating matrix in a screen printing mode and is electrically connected with the electric heating wire; the pumping oxygen matrix, the sensing matrix, the channel plate and the heating matrix are fixed together in a sintering mode; an extraction electrode of the outer pumping oxygen electrode is arranged on the surface of the pumping oxygen matrix in a screen printing mode; and a porous protecting layer covers the surface of the front end of the outer pumping oxygen electrode. The flat wide-range oxygen sensor is simple in structure and convenient to assemble and is provided with few members.
Description
Technical field:
The utility model relates to the lambda sensor technical field, more specifically to a kind of dull and stereotyped wide-range lambda sensor of quick response.
Background technology:
Existing plate type oxygen sensor general structure is comparatively complicated, and assembling is trouble also, and its electrical heating wire power is lower simultaneously, so that lambda sensor reaches optimum Working speed is slow.
The utility model content:
The purpose of this utility model is exactly the deficiency for prior art, and a kind of dull and stereotyped wide-range lambda sensor of quick response is provided, and it is simple in structure, easy to assembly, and parts are less.
Technology solution of the present utility model is as follows:
The dull and stereotyped wide-range lambda sensor that responds fast, comprise electrical heating wire, pump oxygen body upper surface screen printing in the zirconia material is brushed with pump oxygen external electrode, and clamping has electrode in the pump oxygen, diffusion impervious layer and induction external electrode successively between the induction matrix of pump oxygen matrix and zirconia material;
Form reference channel at channel plate, the wire electrode reticulated printing is at the lower surface of induction matrix in the induction;
The bottom of channel plate is the bottom that hot basal body is positioned at the second insulation course that adds of the first insulation course, electrical heating wire and the second insulation course zirconia material successively, and the heating extraction electrode serigraphy of electrical heating wire is electrically connected at the lower surface that adds hot basal body and with electrical heating wire;
Pump oxygen matrix, induction matrix, channel plate and add hot basal body and be sintered to fix and be in the same place, the pump oxygen external electrode extraction electrode serigraphy of pump oxygen external electrode is on the surface of pump oxygen matrix.
Described porous protective layer covers on the pump oxygen external electrode front end surface.
The beneficial effects of the utility model are:
1, it is narrow for existing structure induction output voltage range, and the response time is slow; Measure the problems such as out of true, increase pump oxygen unit at existing structure, improved the temperature of heating unit.Make zirconia reach optimum Working by improving temperature, automatically regulate pump oxygen voltage by computer, make the induction output voltage stabilization, measure the tail gas oxygen concentration by the electric current of monitoring pump oxygen unit.Improved the detection degree of accuracy of vehicle exhaust oxygen concentration.
2, it is simple in structure, easy to assembly, and parts are less.
Description of drawings:
Fig. 1 is structural representation of the present utility model
Among the figure: 1, porous protective layer; 2, pump oxygen external electrode; 21, pump oxygen external electrode extraction electrode; 3, pump oxygen matrix; 4, electrode in the pump oxygen; 5, diffusion impervious layer; 6, induction external electrode; 7, induction matrix; 8, electrode in the induction; 9, reference gas passage; 91, reference channel; 10, the first insulation course; 11, electrical heating wire; 12, the second insulation course; 13, zone of heating matrix; 14, heating extraction electrode.
Embodiment:
Embodiment: as shown in Figure 1, the dull and stereotyped wide-range lambda sensor that responds fast, comprise electrical heating wire 11, pump oxygen matrix 3 upper surface screen printings in the zirconia material are brushed with pump oxygen external electrode 2, and clamping has electrode 4 in the pump oxygen, diffusion impervious layer 5 and induction external electrode 6 successively between the induction matrix 7 of pump oxygen matrix 3 and zirconia material;
The bottom of channel plate 9 is the first insulation course 10, electrical heating wire 11 and the second insulation course 12 successively, the zirconia material add the bottom that hot basal body 13 is positioned at the second insulation course 12, heating extraction electrode 14 serigraphys of electrical heating wire 11 are electrically connected at the lower surface that adds hot basal body 13 and with electrical heating wire 11;
Pump oxygen matrix 3, induction matrix 7, channel plate 9 and add hot basal body 13 and be sintered to fix and be in the same place, pump oxygen external electrode extraction electrode 21 serigraphys of pump oxygen external electrode 2 are on the surface of pump oxygen matrix 3.
Described porous protective layer 1 covers on pump oxygen external electrode 2 front end surface.
Diffusion impervious layer 5 is used for making insulation between the interior electrode 4 of pump oxygen and the induction external electrode 6, and the first insulation course 10 and the second insulation course 12 adopt the insulating medium slurries.
Claims (2)
1. the dull and stereotyped wide-range lambda sensor that responds fast, comprise electrical heating wire (11), it is characterized in that: pump oxygen matrix (3) the upper surface screen printing in the zirconia material is brushed with pump oxygen external electrode (2), and clamping has electrode in the pump oxygen (4), diffusion impervious layer (5) and induction external electrode (6) successively between the induction matrix (7) of pump oxygen matrix (3) and zirconia material;
Form reference channel (91) at channel plate (9), electrode (8) serigraphy is at the lower surface of induction matrix (7) in the induction;
The bottom of channel plate (9) is the first insulation course (10), electrical heating wire (11) and the second insulation course (12) successively, the zirconia material add the bottom that hot basal body (13) is positioned at the second insulation course (12), heating extraction electrode (14) serigraphy of electrical heating wire (11) is electrically connected at the lower surface that adds hot basal body (13) and with electrical heating wire (11);
Pump oxygen matrix (3), induction matrix (7), channel plate (9) and add hot basal body (13) and be sintered to fix together, pump oxygen external electrode extraction electrode (21) serigraphy of pump oxygen external electrode (2) is on the surface of pump oxygen matrix (3).
2. the dull and stereotyped wide-range lambda sensor of quick response according to claim 1, it is characterized in that: porous protective layer (1) covers on pump oxygen external electrode (2) front end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574055 CN202903732U (en) | 2012-11-02 | 2012-11-02 | Flat wide-range oxygen sensor with rapid response |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220574055 CN202903732U (en) | 2012-11-02 | 2012-11-02 | Flat wide-range oxygen sensor with rapid response |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903732U true CN202903732U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220574055 Expired - Lifetime CN202903732U (en) | 2012-11-02 | 2012-11-02 | Flat wide-range oxygen sensor with rapid response |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202903732U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967642A (en) * | 2012-11-02 | 2013-03-13 | 浙江湖州新京昌电子有限公司 | Flat wide-range oxygen sensor with fast response |
| CN103822952A (en) * | 2013-12-12 | 2014-05-28 | 苏州工业园区福特斯汽车电子有限公司 | Wide-band oxygen sensor chip and manufacturing method thereof |
| CN108490058A (en) * | 2018-04-09 | 2018-09-04 | 江苏奥力威传感高科股份有限公司 | A kind of NOx sensor towards vehicle energy saving environmental protection |
-
2012
- 2012-11-02 CN CN 201220574055 patent/CN202903732U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967642A (en) * | 2012-11-02 | 2013-03-13 | 浙江湖州新京昌电子有限公司 | Flat wide-range oxygen sensor with fast response |
| CN103822952A (en) * | 2013-12-12 | 2014-05-28 | 苏州工业园区福特斯汽车电子有限公司 | Wide-band oxygen sensor chip and manufacturing method thereof |
| CN108490058A (en) * | 2018-04-09 | 2018-09-04 | 江苏奥力威传感高科股份有限公司 | A kind of NOx sensor towards vehicle energy saving environmental protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
|
| CX01 | Expiry of patent term |