CN207850979U - A kind of voltage-type lambda sensor - Google Patents
A kind of voltage-type lambda sensor Download PDFInfo
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- CN207850979U CN207850979U CN201820074195.8U CN201820074195U CN207850979U CN 207850979 U CN207850979 U CN 207850979U CN 201820074195 U CN201820074195 U CN 201820074195U CN 207850979 U CN207850979 U CN 207850979U
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- ceramic
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- 239000000919 ceramic Substances 0.000 claims abstract description 87
- 239000000843 powder Substances 0.000 claims abstract description 40
- 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 abstract description 33
- 238000009413 insulation Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Abstract
The utility model is related to energy-saving, emission-reducing, environment friendly technical fields；The shell for including sensor body the utility model proposes a kind of voltage-type lambda sensor and being connected with the sensor body, the sensor body includes hexagonal pedestal and plugged and fixed in the chip in the hexagonal pedestal, the inboard outer at hexagonal base thread end is arranged with seal washer, the outer sheath at hexagonal base thread end is equipped with interior exhaust hood, the outer cover of the interior exhaust hood is equipped with outer exhaust hood, and the outer exhaust hood is also welded at hexagonal base thread end；It is arranged with ceramic A, powder ring one, powder ring two and ceramics B at the chip successively from bottom to top, the signal electrode end of the chip extends to the outside of the ceramics B, and the ceramics B, powder ring two, powder ring one and ceramics A are pressure bonded to the inside of hexagonal pedestal by pressing device.The utility model is simple in structure, is easily installed, and manufacture craft is simple, at low cost, has good leakproofness.
Description
Technical field
The utility model is related to energy-saving, emission-reducing, environment friendly technical field more particularly to a kind of voltage-type lambda sensors.
Background technology
The use of extensive lambda sensor is at present concentration difference type zirconium oxide tubular oxygen sensor, the inner surface of zirconium pipe and big gas phase
Logical, outer surface and exhaust gas contact coat one layer of metal platinum as electrode in appearance, metal wire and sensor signal output end are used in combination
Son connection.Since tubular oxygen sensor is big with exhaust gas contact area, heating part is divided into two parts, corresponding time with zirconium pipe
Meet emissions requirements with combustion time difficulty is opened.Lambda sensor currently used in the market is mostly complicated, and manufacture difficulty is big, installation
It is not close, the service life of lambda sensor is reduced, or even cause lambda sensor that can not just produce work.
Therefore, we are it is necessary to improve such a structure, to overcome drawbacks described above.
Utility model content
The purpose of this utility model is to provide a kind of voltage-type lambda sensor.
The utility model is technical solution used by solving its technical problem：
A kind of voltage-type lambda sensor, including sensor body and the shell that is connected with the sensor body, institute
It includes hexagonal pedestal and plugged and fixed in the chip in the hexagonal pedestal to state sensor body, hexagonal base thread end it is interior
Side outer cover is equipped with seal washer, and the outer sheath at hexagonal base thread end is equipped with interior exhaust hood, the outer cover of the interior exhaust hood
Equipped with outer exhaust hood, the outer exhaust hood is also welded at hexagonal base thread end；At the chip from bottom to top successively
It is arranged with ceramic A, powder ring one, powder ring two and ceramics B, the signal electrode end of the chip extends to the outside of the ceramics B,
The ceramics B, powder ring two, powder ring one and ceramics A are pressure bonded to the inside of hexagonal pedestal by pressing device；
The tip exterior of the shell is arranged with big coining, and the inside of the shell is fixed with bellows, the bellows
Bottom inside be also embedded with insulation line card described in insulation line card lower end be connected with terminal ceramics, the lower end of the terminal ceramics
Equipped with linking ceramics, the linking ceramics are in contact with the ceramics B, and rubber grommet, institute are plugged at the top of the bellows
The top for stating rubber grommet is also arranged with small coining, and the inside of the shell is also equipped with harness, the shell and the hexagonal
Pedestal is welded in one.
Further, the ceramics A is cylindrical structure, and the intermediate position of the ceramics A is equipped with the first square through hole,
First square through hole is adapted with the chip；The powder ring one and the powder ring two have identical structure, the powder ring
One is cylindrical structure, and the intermediate position of the powder ring one is equipped with the second square through hole, second square through hole with it is described
Chip is adapted, and the powder ring one is talcum powder material；The intermediate position of the ceramics B is equipped with third square through hole, described
Third square through hole and the chip are adapted, and the ceramics B is an integral molding structure, the ceramics B including the first main body with
And it is set to the second main body of the lower end of first main body, first main body and second main body are cylindrical knot
Structure, the diameter of first main body are less than the diameter of the second main body.
Further, the lower surface of second main body is also protruding with briquetting, and the surface of the powder ring one is also recessed with pressure
Slot, the briquetting are adapted with indent.
Further, the shell is hollow structure；The harness is four conducting wires, and the end of the conducting wire is connected with end
Son；The insulation line card is cylindrical structure, wears that there are four the first circular through hole, first circles at the insulation line card
Through-hole is adapted with the conducting wire；It is opened up at the terminal ceramics there are four the 5th square through hole, at the 5th square through hole
It is fixed with terminal, the terminal extends to the lower end of the terminal ceramics；The intermediate position of the linking ceramics is equipped with the 6th
Square through hole, the hexagon through-hole are adapted with the chip, and the 7th square through hole is also equipped at the linking ceramics
With eighth shape through-hole, the 7th square through hole is connected with the hexagon through-hole, the eighth shape through-hole and institute
It states hexagon through-hole to be connected, two terminals is plugged in the 7th square through hole, two ends are plugged in eighth shape through-hole
Son, an electrode end in contact of two terminals and chip in the 7th square through hole, two terminals in eighth shape through-hole with
Another electrode end in contact of chip.
Further, the rubber grommet is column construction, is worn at the rubber grommet there are four the 5th circular through hole,
Conducting wire is adapted with the 5th circular through hole, and conducting wire one end is connect with terminal, and it is ceramic, exhausted that the conducting wire other end is each passed through terminal
Edge line card, bellows, rubber grommet and the upper end for extending to the small coining.
Further, the linking ceramics are located at the inside of the shell, between the linking ceramics and the shell also
Equipped with shockproof sheet.
The design that the ceramic intermediate plate of existing product is replaced by terminal ceramics, makes chip be not directly exposed in test chamber,
Chip fracture caused by avoiding strenuous vibration.
To prevent exhaust gas leak, interior exhaust hood outside to be set with outer exhaust hood, the outer exhaust hood is welded with hexagonal pedestal, and six
Seal washer is set on the pedestal of angle.
Shockproof sheet is also installed between linking ceramics and shell, prevents linking ceramics to be broken because of vibrations, extends chip
Service life.
The utility model has the advantage of：
The utility model is simple in structure, is easily installed, and manufacture craft is simple, at low cost, has good leakproofness, improves
The advantages of assembly yield and service life of lambda sensor.
Description of the drawings
Fig. 1 be the utility model proposes a kind of voltage-type lambda sensor disassembly diagram.
Number and the corresponding component title represented by letter in figure：
Wherein：1- sensor bodies；2- shells；11- hexagonal pedestals；12- chips；13- seal washers；Exhaust gas in 14-
Cover；The outer exhaust hoods of 15-；16- ceramics A；17- powder ring one；18- powder ring two；19- ceramics B；The big coinings of 21-；22- bellowss；23-
Insulate line card；24- terminal ceramics；25- linking ceramics；26- rubber grommets；The small teeth marks of 27-；28- harness；29- terminals；210-
Shockproof sheet.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines diagram and specific embodiment, and the utility model is expanded on further.
As shown in Figure 1, the utility model proposes a kind of voltage-type lambda sensor, including sensor body 1 and with institute
The shell 2 that sensor body 1 is connected is stated, the sensor body 1 includes hexagonal pedestal 11 and plugged and fixed in described six
The inboard outer of chip 12 in angle pedestal 11,11 end of thread of hexagonal pedestal is arranged with seal washer 13,11 screw thread of hexagonal pedestal
The outer sheath at end is equipped with interior exhaust hood 14, and the outer cover of the interior exhaust hood 14 is equipped with outer exhaust hood 15, the outer exhaust hood 15
It is also welded at 11 end of thread of hexagonal pedestal；It is arranged with ceramic A16, powder ring one at the chip 12 successively from bottom to top
17, powder ring 2 18 and ceramics B19, the signal electrode end of the chip 12 extend to the outside of the ceramics B19, the ceramics
B19, powder ring 2 18, powder ring 1 and ceramics A16 are pressure bonded to the inside of hexagonal pedestal 11 by pressing device；
The tip exterior of the shell 2 is arranged with big coining 21, and the inside of the shell 2 is fixed with bellows 22, described
The lower end that the bottom inside of bellows 22 is also embedded with insulation line card 23 described in insulation line card 23 is connected with terminal ceramics 24, institute
The lower end for stating terminal ceramics 24 is equipped with linking ceramics 25, and the linking ceramics 25 are in contact with the ceramics B19, the bellows
22 top is plugged with rubber grommet 26, and the top of the rubber grommet 26 is also arranged with small coining 27, the inside of the shell 2
It is also equipped with harness 28, the shell 2 is welded in one with the hexagonal pedestal 11.
Further, the ceramics A16 is cylindrical structure, and it is rectangular that the intermediate position of the ceramics A16 is equipped with first
Through-hole, first square through hole are adapted with the chip 12；The powder ring 1 and the powder ring 2 18 have identical knot
Structure, the powder ring 1 are cylindrical structure, and the intermediate position of the powder ring 1 is equipped with the second square through hole, described second
Square through hole is adapted with the chip 12, and the powder ring 1 is talcum powder material；It wears at the intermediate position of the ceramics B19
Equipped with third square through hole, the third square through hole and the chip 12 are adapted, and the ceramics B19 is integrally formed knot
Structure, the ceramics B19 include the first main body and the second main body of the lower end for being set to first main body, first main body
It is cylindrical structure with second main body, the diameter of first main body is less than the diameter of the second main body.
Further, the lower surface of second main body is also protruding with briquetting, and the surface of the powder ring 1 is also recessed with
Indent, the briquetting are adapted with indent.
Further, the shell 2 is hollow structure；The harness 28 is four conducting wires, and the end of the conducting wire connects
There is terminal 29；The insulation line card 23 is cylindrical structure, is worn at the insulation line card 23 there are four the first circular through hole,
First circular through hole is adapted with the conducting wire；5th square through hole there are four being opened up at the terminal ceramics 24, it is described
Terminal 29 is fixed at 5th square through hole, the terminal 29 extends to the lower end of the terminal ceramics 24；The linking ceramics
25 intermediate position is equipped with hexagon through-hole, and the hexagon through-hole is adapted with the chip 12, the linking pottery
The 7th square through hole and eighth shape through-hole, the 7th square through hole and the hexagon through-hole phase are also equipped at porcelain 25
Connection, the eighth shape through-hole are connected with the hexagon through-hole, and two terminals are plugged in the 7th square through hole, the
Two terminals are plugged in eight square through holes, an electrode end in contact of two terminals and chip 12 in the 7th square through hole,
Another electrode end in contact of two terminals and chip 12 in eighth shape through-hole.
Further, the rubber grommet 26 is column construction, is worn at the rubber grommet 26 round there are four the 5th
Through-hole, conducting wire are adapted with the 5th circular through hole, and conducting wire one end is connect with terminal 29, and the conducting wire other end is each passed through end
Sub- ceramics 24, insulation line card 23, bellows 22, rubber grommet 26 and the upper end for extending to the small coining 27.
Further, the linking ceramics 25 are located at the inside of the shell 2, the linking ceramics 25 and the shell 2
Between be additionally provided with shockproof sheet 210.
Principle is installed：It is first arranged ceramic A, powder ring one, powder ring two and ceramics B successively from bottom to top at chip, connects down
The open end of hexagonal pedestal is compacted to for example to press cylinder by pressing device by ceramic A, powder ring one, powder ring two and ceramics B,
Then big coining is arranged outside the upper end of shell, the conducting wire of harness sequentially passes through insulation wire loop, bellows, insulated wire from top to bottom
Card and terminal ceramics, one end of conducting wire are connected with the terminal at terminal ceramics, and the terminal at terminal ceramics is plugged to linking pottery
In porcelain, the electrode tip of chip is plugged in linking ceramics so that the electrode tip of chip is in contact with terminal, then linking it is ceramic with
It is packed into vibration damping sheet between shell, shell and hexagonal pedestal are finally welded in one, the end of thread of hexagonal pedestal is arranged gasket
Discarded cover and outer exhaust hood in circle and welding.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection domain is asked to be defined by appended claims and its equivalent.
Claims (6)
1. a kind of voltage-type lambda sensor, including sensor body (1) and the shell that is connected with the sensor body (1)
(2), it is characterised in that：The sensor body (1) includes hexagonal pedestal (11) and plugged and fixed in the hexagonal pedestal
(11) inboard outer of the chip (12) in, hexagonal pedestal (11) end of thread is arranged with seal washer (13), hexagonal pedestal (11)
The outer sheath of the end of thread is equipped with interior exhaust hood (14), and the outer cover of the interior exhaust hood (14) is equipped with outer exhaust hood (15), described
Outer exhaust hood (15) is also welded at hexagonal pedestal (11) end of thread；It is arranged with successively from bottom to top at the chip (12)
The signal electrode end of ceramic A (16), powder ring one (17), powder ring two (18) and ceramics B (19), the chip (12) extend to institute
The outside of (19) ceramic B is stated, the ceramics B (19), powder ring two (18), powder ring one (17) and ceramics A (16) are filled by pressing
Set the inside for being pressure bonded to hexagonal pedestal (11)；
The tip exterior of the shell (2) is arranged with big coining (21), and the inside of the shell (2) is fixed with bellows (22),
The lower end that the bottom inside of the bellows (22) is also embedded with insulation line card (23) the insulation line card (23) is connected with terminal
The lower end of ceramic (24), the terminal ceramic (24) is equipped with linking ceramics (25), the linking ceramic (25) and the ceramics B
(19) it is in contact, rubber grommet (26) is plugged at the top of the bellows (22), the top of the rubber grommet (26) also covers
Equipped with small coining (27), the inside of the shell (2) is also equipped with harness (28), the shell (2) and the hexagonal pedestal
(11) it is welded in one.
2. a kind of voltage-type lambda sensor according to claim 1, it is characterised in that：The ceramics A (16) is cylinder
The intermediate position of structure, the ceramics A (16) is equipped with the first square through hole, first square through hole and the chip (12)
It is adapted；It is cylindrical structure that the powder ring one (17) and the powder ring two (18), which have identical structure, the powder ring one (17),
The intermediate position of the powder ring one (17) is equipped with the second square through hole, and second square through hole is mutually fitted with the chip (12)
It answers, the powder ring one (17) is talcum powder material；The intermediate position of the ceramics B (19) is equipped with third square through hole, described
Third square through hole is adapted with the chip (12), and the ceramics B (19) is an integral molding structure, ceramics B (19) packet
It includes the first main body and is set to the second main body of the lower end of first main body, first main body and second main body are equal
For cylindrical structure, the diameter of first main body is less than the diameter of the second main body.
3. a kind of voltage-type lambda sensor according to claim 2, it is characterised in that：The lower surface of second main body is also
It is protruding with briquetting, the surface of the powder ring one (17) is also recessed with indent, and the briquetting is adapted with indent.
4. a kind of voltage-type lambda sensor according to claim 1, it is characterised in that：The shell (2) is hollow structure；
The harness (28) is four conducting wires, and the end of the conducting wire is connected with terminal (29)；The insulation line card (23) is cylinder
Structure is worn at the insulation line card (23) there are four the first circular through hole, and first circular through hole is mutually fitted with the conducting wire
It answers；It is opened up at the terminal ceramic (24) there are four the 5th square through hole, terminal (29) is fixed at the 5th square through hole,
The terminal (29) extends to the lower end of the terminal ceramic (24)；The intermediate position of the linking ceramic (25) is equipped with the 6th
Square through hole, the hexagon through-hole are adapted with the chip (12), and the linking is also equipped with the 7th at ceramic (25)
Square through hole and eighth shape through-hole, the 7th square through hole are connected with the hexagon through-hole, the eighth shape
Through-hole is connected with the hexagon through-hole, is plugged with two terminals in the 7th square through hole, grafting in eighth shape through-hole
There are two terminal, an electrode end in contact of two terminals and chip (12) in the 7th square through hole, in eighth shape through-hole
Two terminals and chip (12) another electrode end in contact.
5. a kind of voltage-type lambda sensor according to claim 1 or 4, it is characterised in that：The rubber grommet (26) is
Column construction is worn at the rubber grommet (26) there are four the 5th circular through hole, and conducting wire is mutually fitted with the 5th circular through hole
It answers, conducting wire one end is connect with terminal (29), and the conducting wire other end is each passed through terminal ceramic (24), insulation line card (23), bellows
(22), rubber grommet (26) and extend to it is described it is small coining (27) upper end.
6. a kind of voltage-type lambda sensor according to claim 1, it is characterised in that：The linking ceramic (25) is located at institute
The inside of shell (2) is stated, shockproof sheet (210) is additionally provided between the linking ceramic (25) and the shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820074195.8U CN207850979U (en) | 2018-01-17 | 2018-01-17 | A kind of voltage-type lambda sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820074195.8U CN207850979U (en) | 2018-01-17 | 2018-01-17 | A kind of voltage-type lambda sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207850979U true CN207850979U (en) | 2018-09-11 |
Family
ID=63414876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820074195.8U Active CN207850979U (en) | 2018-01-17 | 2018-01-17 | A kind of voltage-type lambda sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207850979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120720A (en) * | 2019-12-19 | 2020-05-08 | 安徽威迈光机电科技有限公司 | Pressure induction head of anti-icing valve system outlet |
| CN112394144A (en) * | 2020-11-25 | 2021-02-23 | 东莞聚德寿科技有限公司 | Heating type tubular oxygen sensor |
-
2018
- 2018-01-17 CN CN201820074195.8U patent/CN207850979U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120720A (en) * | 2019-12-19 | 2020-05-08 | 安徽威迈光机电科技有限公司 | Pressure induction head of anti-icing valve system outlet |
| CN111120720B (en) * | 2019-12-19 | 2022-04-05 | 安徽威迈光机电科技有限公司 | Pressure induction head of anti-icing valve system outlet |
| CN112394144A (en) * | 2020-11-25 | 2021-02-23 | 东莞聚德寿科技有限公司 | Heating type tubular oxygen sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 101, 201, and 401, Building 1, Wencheng Industrial Park, No. 330, Zhongnan Section, Fushan Line, Zhongdai Street, Pinghu City, Jiaxing City, Zhejiang Province, 314200 Patentee after: ZHEJIANG ROCKERSTONE ELECTRONICS CO.,LTD. Country or region after: China Address before: 314100 room 306, block C, Venture Center, Guigu Park, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG ROCKERSTONE ELECTRONICS CO.,LTD. Country or region before: China |
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| CP03 | Change of name, title or address |