CN110045064A - A kind of heating device for lambda sensor impedance detection - Google Patents
A kind of heating device for lambda sensor impedance detection Download PDFInfo
- Publication number
- CN110045064A CN110045064A CN201910310692.2A CN201910310692A CN110045064A CN 110045064 A CN110045064 A CN 110045064A CN 201910310692 A CN201910310692 A CN 201910310692A CN 110045064 A CN110045064 A CN 110045064A
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- Prior art keywords
- lambda sensor
- support base
- heating
- impedance detection
- fixed
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Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 61
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 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 14
- 238000003825 pressing Methods 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Abstract
The invention discloses a kind of heating devices for lambda sensor impedance detection, including monitor station；Support base, the support base are fixedly connected on monitor station by a connecting plate, and oxygen sensor cathode connection structure is connected in the support base, is connected with negative electrode tab in the lambda sensor cathode connection structure.Heating component, the heating component include attachment base, and a heating rod is fixed on the attachment base, and the bottom of the heating rod is fixed with positive electrode seat, and the support base is connected on the attachment base of heating mechanism by the connecting column of its bottom；Lifting cylinder, the heating rod are connected on lifting cylinder.The heating device structure of the impedance detection is simple, can quickly fix lambda sensor, and so that it is heated to specified temperature by heating element, and quickly test the impedance of lambda sensor by the positive and negative anodes on device.
Description
Technical field
The invention belongs to lambda sensor fields, and in particular to a kind of heating device for lambda sensor impedance detection.
Background technique
Using triple mode catalytic converter with reduce exhaust pollution engine on, lambda sensor is essential member
Part.After lambda sensor preparation is completed, needs to heat it, after it is heated to 300 DEG C, need to detect its impedance
Whether within the scope of qualification.Currently, lambda sensor heating process and detection impedance process be separation, need by
Lambda sensor is put into heating device and is heated, and after being heated to specified temperature, is fixed, is fixed to it
After, it is then connected on lambda sensor by the positive and negative anodes of impedance detection equipment and it is detected.
Summary of the invention
In order to solve one or more drawbacks described above in the prior art, technical problem to be solved by the invention is to provide
The heating device structure of a kind of heating device for lambda sensor impedance detection, the impedance detection is simple, can be quickly by oxygen
Sensor is fixed, and so that it is heated to specified temperature by heating element, and by the positive and negative anodes on device quickly to oxygen
The impedance of sensor is tested.
To achieve the above object, the present invention provides a kind of heating device for lambda sensor impedance detection, features
It is, including monitor station, is connected with lower air cylinder at the top of the monitor station；
Support base, the support base are fixedly connected on monitor station by a connecting plate, are connected in the support base aerobic
Sensor cathode connection structure is connected with negative electrode tab in the lambda sensor cathode connection structure.
Heating component, the heating component include attachment base, and a heating rod, the heating rod are fixed on the attachment base
Bottom be fixed with positive electrode seat, the support base is connected on the attachment base of heating mechanism by the connecting column of its bottom；
Lifting cylinder, the heating rod are connected on lifting cylinder.
Further, a cavity is offered in the middle part of the support base, one and the cavity is also provided on the support base
The mounting hole being connected, the lambda sensor cathode connection structure includes a pressing member being connected in the cavity, under described
Casting die includes a level board, and the level board two sides are fixed with the skewback being inclined outwardly, are connected with a pair on the skewback
Guide pad in contact offers matching inclined-plane on the guide pad, and the guide pad is slidably connected at a limit respectively
On pedestal, the limit pedestal is fixedly connected with support base, is also provided between limit pedestal and support base for the pushing
The relief hole that the skewback of part passes through is further fixed on a baffle on the inside of the limit pedestal, between the guide pad and baffle
It is also connected with reset spring, a connecting rod is also connected on the guide pad, the negative electrode tab is connected to the end of connecting rod, institute
It is arc-shaped to state negative electrode tab.
Further, a through hole being offered in the middle part of the attachment base, the cylinder rod of the lifting cylinder is threaded through hole,
It is fixed with a column type footstock on the cylinder rod, buffer spring is fixed in the column type footstock, the heating rod passes through a peace
Dress seat is connected with the upper end of buffer spring.
Further, the support base includes upper interconnecting piece and lower interconnecting piece, and the upper interconnecting piece and lower interconnecting piece pass through
Screw is fastenedly connected.
Further, the positive electrode seat is tapered.
The beneficial effects of the present invention are:
First, the heating device structure of the impedance detection is simple, can quickly fix lambda sensor, and pass through heating unit
Part makes it be heated to specified temperature, and is quickly tested the impedance of lambda sensor by the positive and negative anodes on device；
Second, by the setting of the lambda sensor cathode connection structure on support base, when pushing lambda sensor,
On the sub-prime that can quickly be connected in lambda sensor of negative electrode tab on the outside of and be close to, and connect more firm；
Third installs buffer spring by the column type footstock on lifting cylinder, enables to the positive electrode seat on heating rod
The inside of the sub-prime of lambda sensor is slowly abutted to, and contact surface is larger, damage will not be generated to sub-prime.
Detailed description of the invention
Fig. 1 is side view of the invention；
Fig. 2 present invention is not connected with main view when monitor station；
Fig. 3 is the connection structure diagram of support base and lambda sensor cathode connection structure of the present invention；
Fig. 4 is the enlarged drawing of part A in Fig. 3；
In figure: 1, monitor station 2, connecting plate 3, mounting base 4, lambda sensor cathode connection structure 41, guide pad；42,
Limit pedestal；43, baffle；44, reset spring；45, connecting rod；46, negative electrode tab 47, cavity；48, level board；49, skewback
5, positive electrode seat 6, lambda sensor 7, lifting cylinder 8, heating rod 9, column type footstock 10, buffer spring 11, upper interconnecting piece
12, lower interconnecting piece 13, connecting column 14, cylinder rod 15, lower air cylinder 16, attachment base；17, mounting hole；18, sub-prime；19, outer
Shell.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Referring to a kind of heating device for lambda sensor impedance detection shown in Fig. 1-4,
Including monitor station 1, specifically, the monitor station 1 is the base station to install the device other component, the monitor station
Top is connected with lower air cylinder 15；
Support base, the support base are fixedly connected on monitor station 1 by a connecting plate 2, are connected in the support base
Lambda sensor cathode connection structure 4, when lambda sensor 6 is connected on the support base, outside the sub-prime 18 of lambda sensor 6
Side can the negative electrode tab 46 in the cathode connection structure connect；
Heating component, the heating component include attachment base 16, and a heating rod 8 is fixed on the attachment base 16, described
The bottom of heating rod 8 is fixed with positive electrode seat 5, and the support base is connected to the connection of heating mechanism by the connecting column 13 of its bottom
On seat 16；When heating rod 8 extend into the inside of lambda sensor 6, quickly lambda sensor 6 can be heated, reach 300
Degree is prepared for the accurate detection of impedance.
Lifting cylinder 7, the heating rod 8 are connected on lifting cylinder 7.By the lifting cylinder 7, heating rod is enabled to
8 automatically extend into the inside of lambda sensor 6, guarantee that it is rapidly performed by heating, simultaneously, moreover it is possible to so that 8 bottom of heating rod
Positive electrode seat 5 is connected to the bottom of the sub-prime 18 of lambda sensor 6.
Process is as follows when in use by the present invention, and first lambda sensor 6 is placed on support base, and support base is to be connected to
2 lower section of connecting plate, a resigning breach is offered on connecting plate, enables lambda sensor on a sensor, places oxygen sensing
The outside of the sub-prime 18 of lambda sensor 6 is connected to when device 6 by the negative electrode tab 46 in the cathode connection structure of lambda sensor 6
And be in contact with sub-prime, then, start lifting cylinder 7, since heating rod 8 is connected on lifting cylinder 7, when heating rod 8
After entering in lifting cylinder 7, the positive electrode seat 5 of 8 bottom of heating rod is also touched with 18 interior thereof of sub-prime of lambda sensor 6, this
When heating rod 8 start to heat lambda sensor 6, when lambda sensor 6 heating complete after, 6 cathode of lambda sensor connection knot
The positive electrode seat 5 in negative electrode tab 46 and heating rod 8 on structure 4 starts to detect the impedance of lambda sensor 6, when impedance detection is complete
After, as the result is shown on the screen of detection machine, judge whether the impedance of lambda sensor 6 is qualified.
Further, a cavity 47 is offered in the middle part of the support base, is also provided with one and the sky on the support base
The mounting hole 17 that chamber 47 is connected, the 6 cathode connection structure 4 of lambda sensor include a pushing being connected in the cavity 47
Part, the pressing member include a level board 48, and the perforation that oxygen supply sensor base passes through, the level are offered on level board 48
48 two sides of plate are fixed with the skewback 49 being inclined outwardly, and a pair of guide pad in contact is connected on the skewback 49
41, matching inclined-plane is offered on the guide pad 41, and the guide pad 41 is slidably connected at respectively on a limit pedestal 42, described
Limit pedestal 42 is fixedly connected with support base, and the inclined-plane for the pressing member is also provided between limit pedestal 42 and support base
The inside of the relief hole that plate 49 passes through, the limit pedestal 42 is further fixed on a baffle 43, the guide pad 41 and baffle 43 it
Between be also connected with reset spring 44, a connecting rod 45 is also connected on the guide pad 41, the end of the connecting rod 45 is fixed
There is a negative electrode tab 46, the negative electrode tab 46 is arc-shaped.Specifically, lambda sensor 6 of the invention passes through mounting hole 17, and enter
Among the cavity 47 of support base, then, lambda sensor 6 will be supported on pressing member, and bottom passes through the level board of pressing member
Perforation, and negative electrode tab is between the outside of sub-prime 18 and the shell 19 of lambda sensor, then pass through a lower air cylinder 15
Pressing member is pressed, pressing member starts to move down, and when pressing member moves down, will drive level board 48 and its two sides
Skewback 49 start to move down, when skewback 49 moves down, it will squeeze guide pad 41, guide pad 41 and limit
Due to there is baffle 43 between the pedestal 42 of position, so guide pad 41 will be mobile to that side of baffle 43, when guide pad 41 is to baffle
When 43 that side are mobile, the negative electrode tab 46 that is connected on guide pad 41, it will the gradual lateral wall for compressing sub-prime, and and element
The lateral wall of son is closely bonded, and after on the lateral wall that negative electrode tab 46 is closely connected to sub-prime, starts lifting cylinder 7,
The cylinder rod 14 of lifting cylinder 7 drives heating rod to enter in lambda sensor 6, meanwhile, the positive electrode seat 5 of heating rod bottom abuts to
The inner sidewall of sub-prime, after being heated to specified temperature, start impedance detection equipment, start the impedance to lambda sensor 6 into
Row detection.
Further, a through hole is offered in the middle part of the attachment base 16, the cylinder rod 14 of the lifting cylinder 7 passes through logical
Via hole is fixed with a column type footstock 9 on the cylinder rod 14, buffer spring 10, the heating is fixed in the column type footstock 9
Stick is connected by a mounting base 3 with the upper end of buffer spring 10.Specifically, being fixed with a column type on cylinder rod 14 of the invention
Footstock 9 is connected with a buffer spring 10 in column type footstock 9, by the buffer spring 10, so that positive electrode seat 5 is abutting to sub-prime
Inner sidewall when, what can be abutted is firm, meanwhile, lambda sensor 6 will not be damaged.
Further, the support base includes upper interconnecting piece 11 and lower interconnecting piece 12, the upper interconnecting piece 11 and lower connection
Portion 12 is fastenedly connected by screw.Specifically, support base of the invention is made of upper interconnecting piece 11 and lower interconnecting piece 12, the two is logical
Screw connection is crossed, when needing to detect different size of lambda sensor 6, can directly replace the lambda sensor in support base
6 cathode connection structures 4.
Further, the positive electrode seat 5 is tapered, specifically, positive electrode seat 5 of the invention is tapered, matching degree is higher,
It can be suitable for the lambda sensor 6 of different inner diameters.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (5)
1. a kind of heating device for lambda sensor impedance detection, which is characterized in that including
Monitor station, the monitor station top are connected with lower air cylinder；
Support base, the support base are fixedly connected on monitor station by a connecting plate, and aerobic sensing is connected in the support base
Device cathode connection structure is connected with negative electrode tab in the lambda sensor cathode connection structure.
Heating component, the heating component include attachment base, and a heating rod, the bottom of the heating rod are fixed on the attachment base
Portion is fixed with positive electrode seat, and the support base is connected on the attachment base of heating mechanism by the connecting column of its bottom；
Lifting cylinder, the heating rod are connected on lifting cylinder.
2. being used for the heating device of lambda sensor impedance detection as described in claim 1, which is characterized in that in the support base
Portion offers a cavity, and a mounting hole being connected with the cavity is also provided on the support base, and the lambda sensor is negative
Pole connection structure includes a pressing member being connected in the cavity, and the pressing member includes a level board, the level board two
Side is fixed with the skewback being inclined outwardly, and a pair of guide pad in contact, the guide pad are connected on the skewback
On offer matching inclined-plane, the guide pad is slidably connected at respectively on a limit pedestal, and the limit pedestal and support base are solid
Fixed connection, is also provided with the relief hole passed through for the skewback of the pressing member, the limit between limit pedestal and support base
It is further fixed on a baffle on the inside of the pedestal of position, is also connected with reset spring between the guide pad and baffle, on the guide pad
It is also connected with a connecting rod, the negative electrode tab is connected to the end of connecting rod, and the negative electrode tab is arc-shaped.
3. being used for the heating device of lambda sensor impedance detection as claimed in claim 2, it is characterised in that: in the attachment base
Portion offers a through hole, and the cylinder rod of the lifting cylinder is threaded through hole, is fixed with buffer spring in the column type footstock,
The heating rod is connected by a mounting base with the upper end of buffer spring.
4. being used for the heating device of lambda sensor impedance detection as claimed in claim 3, which is characterized in that the support base packet
Interconnecting piece and lower interconnecting piece are included, the upper interconnecting piece and lower interconnecting piece are fastenedly connected by screw.
5. being used for the heating device of lambda sensor impedance detection as claimed in claim 4, which is characterized in that the positive electrode seat is in
Taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910310692.2A CN110045064B (en) | 2019-04-18 | 2019-04-18 | Heating device for be used for oxygen sensor impedance to detect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910310692.2A CN110045064B (en) | 2019-04-18 | 2019-04-18 | Heating device for be used for oxygen sensor impedance to detect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110045064A true CN110045064A (en) | 2019-07-23 |
| CN110045064B CN110045064B (en) | 2024-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910310692.2A Active CN110045064B (en) | 2019-04-18 | 2019-04-18 | Heating device for be used for oxygen sensor impedance to detect |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5852228A (en) * | 1996-07-10 | 1998-12-22 | Denso Corporation | Apparatus and method for controlling oxygen sensor heating |
| CN2896411Y (en) * | 2006-03-23 | 2007-05-02 | 管文礼 | Automotive oxygen sensor experiment device |
| CN201754174U (en) * | 2010-06-30 | 2011-03-02 | 比亚迪股份有限公司 | Oxygen sensor chip testing device |
| CN207842411U (en) * | 2018-01-15 | 2018-09-11 | 浙江朗德电子科技有限公司 | A kind of lambda sensor depth of indentation position limiting device |
| CN109061073A (en) * | 2018-10-16 | 2018-12-21 | 潍柴西港新能源动力有限公司 | A kind of oxygen sensor diagnostic device and its diagnostic method |
| CN210199046U (en) * | 2019-04-18 | 2020-03-27 | 巩诚电装（重庆）有限公司 | Heating device for be used for oxygen sensor impedance to detect |
-
2019
- 2019-04-18 CN CN201910310692.2A patent/CN110045064B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5852228A (en) * | 1996-07-10 | 1998-12-22 | Denso Corporation | Apparatus and method for controlling oxygen sensor heating |
| CN2896411Y (en) * | 2006-03-23 | 2007-05-02 | 管文礼 | Automotive oxygen sensor experiment device |
| CN201754174U (en) * | 2010-06-30 | 2011-03-02 | 比亚迪股份有限公司 | Oxygen sensor chip testing device |
| CN207842411U (en) * | 2018-01-15 | 2018-09-11 | 浙江朗德电子科技有限公司 | A kind of lambda sensor depth of indentation position limiting device |
| CN109061073A (en) * | 2018-10-16 | 2018-12-21 | 潍柴西港新能源动力有限公司 | A kind of oxygen sensor diagnostic device and its diagnostic method |
| CN210199046U (en) * | 2019-04-18 | 2020-03-27 | 巩诚电装（重庆）有限公司 | Heating device for be used for oxygen sensor impedance to detect |
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| Publication number | Publication date |
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| CN110045064B (en) | 2024-09-20 |
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