CN109358280A - A kind of nitrogen oxide sensor chip ageing test device - Google Patents
A kind of nitrogen oxide sensor chip ageing test device Download PDFInfo
- Publication number
- CN109358280A CN109358280A CN201811138308.7A CN201811138308A CN109358280A CN 109358280 A CN109358280 A CN 109358280A CN 201811138308 A CN201811138308 A CN 201811138308A CN 109358280 A CN109358280 A CN 109358280A
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- China
- Prior art keywords
- shell
- nitrogen oxide
- sensor chip
- oxide sensor
- fixed plate
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2836—Fault-finding or characterising
- G01R31/2849—Environmental or reliability testing, e.g. burn-in or validation tests
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2829—Testing of circuits in sensor or actuator systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses a kind of nitrogen oxide sensor chip ageing test devices, including shell and sensor fastening device, the middle part of the hull outside wall is equipped with motor by bracket, the output end of the motor extends to the inside of shell and is connected with rotating disc, the rotating disc is connected with one end of connecting rod far from the side of motor, the other end of the connecting rod is connected with swivel becket, the swivel becket and rotating disc side close to each other are respectively arranged with jack, and the lower end of shell is provided with heating wire, when the present apparatus uses, nitrogen oxide sensor chip is first fixed on sensor fastening device, sensor fastening device is fixed between rotating disc and swivel becket again, start motor, fan and heating wire, fan cooperates heating wire that can convey hot-air to enclosure interior, motor is able to drive turn disc, at this time So that nitrogen oxide sensor chip rotates in shell, nitrogen oxide sensor chip is heated evenly.
Description
Technical field
The present invention relates to ageing tester technical fields more particularly to a kind of nitrogen oxide sensor chip ageing test to fill
It sets.
Background technique
With the continuous acceleration of world industry process, global auto recoverable amount maintains sustained and rapid growth, motor vehicle exhaust emission
Main atmosphere pollution is had become, environmental problem resulting from becomes increasingly conspicuous, and causes greatly to environment and human health
It threatens.Currently, automobile engine after-treatment system usually selects nitrogen oxide sensor to measure the concentration of nitrogen oxide in tail gas, root
Concentration value takes appropriate measures accordingly, reduces the discharge of nitrogen oxides, to meet national standard.
In order to ensure the service life of nitrogen oxide sensor chip, high temperature can be carried out to it before nitrogen oxide sensor chip dispatches from the factory
Burn-in test, to screen out defective chip.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of nitrogen oxide sensor chip proposed
Ageing tester.
To achieve the goals above, present invention employs following technical solutions:
A kind of nitrogen oxide sensor chip ageing test device, including shell and sensor fastening device, the hull outside
The middle part of wall is equipped with motor by bracket, and the output end of the motor extends to the inside of shell and is connected with rotating disc
It connects, the rotating disc is connected with one end of connecting rod, the other end and the swivel becket phase of the connecting rod far from the side of motor
Connection, the swivel becket and rotating disc side close to each other are respectively arranged with jack, and the lower end of shell is provided with heating wire.
The sensor fastening device includes fixed plate and motion bar, and the quantity of the fixed plate is two, fixed plate phase
Mutually close one end offers mounting groove, and the both ends of the motion bar are plugged in the inside of the mounting groove, and motion bar and peace
Spring is placed between the inner wall of tankage, and one end that fixed plate is located remotely from each other is provided with fixed block, and the upper end of fixed plate
It is provided with equally distributed binding post and indicator light.
Preferably, the lower end of the shell is provided with fan, and the air outlet of fan is connected with shell, and heating wire
Between fan and shell.
Preferably, the shell is provided with cover board far from one end of motor.
Preferably, the lower end of the fixed plate is provided with support frame, and the quantity of support frame as described above is two, and support frame is
C font.
Preferably, the upper end of the fixed plate, which is glued, equally distributed rubber sleeve.
Preferably, supply hub is provided in the fixed plate, and supply hub is electrically connected with binding post, indicator light.
Preferably, the jack is connect with fixed Block- matching, and the vertical section of fixed block is square.
Preferably, the swivel becket offers mounting groove close to one end of inner walls, is placed with cunning in the mounting groove
Ball, one end of the sliding ball extends to the outside of mounting groove, and one end of sliding ball is in contact with the inner wall of shell.
The beneficial effects of the present invention are:
1, the present apparatus is in use, be first fixed on sensor fastening device for nitrogen oxide sensor chip, then sensor is fixed
Device is fixed between rotating disc and swivel becket, and starting motor, fan and heating wire, fan cooperate heating wire can be to shell
Delivered inside hot-air, motor are able to drive turn disc, and when turn disc is able to drive sensor fastening device and turns
It is dynamic, it rotates nitrogen oxide sensor chip in shell, nitrogen oxide sensor chip is heated evenly.
2, after high temperature ageing, sensor fastening device is taken out, after device is cooled to room temperature, by the power supply on device
Jack is connected with power supply, and when nitrogen oxide sensor chip does not damage at this time, corresponding indicator light can be with normal luminous, at this time
Underproof nitrogen oxide sensor chip can be quickly picked out, can effectively improve work efficiency.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of nitrogen oxide sensor chip ageing test device proposed by the present invention；
Fig. 2 is the schematic view of the front view of sensor fastening device proposed by the present invention；
Fig. 3 is the side structure schematic view of sensor fastening device proposed by the present invention；
Fig. 4 is the schematic cross-sectional view of fixed plate proposed by the present invention.
In figure: 1 shell, 2 motor, 3 rotating discs, 4 connecting rods, 5 swivel beckets, 6 sliding balls, 7 sensor fastening devices, 8 lids
Plate, 9 fans, 10 heating wire, 71 fixed plates, 72 motion bars, 73 fixed blocks, 74 support frames, 75 springs, 76 binding posts, 77 rubber
Set, 78 indicator lights.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, a kind of nitrogen oxide sensor chip ageing test device, including shell 1 and sensor fastening device 7,
The middle part of 1 lateral wall of shell is equipped with motor 2 by bracket, and the output end of the motor 2 extends to the interior of shell 1
Portion is simultaneously connected with rotating disc 3, and the rotating disc 3 is connected with one end of connecting rod 4, the connection far from the side of motor 2
The other end of bar 4 is connected with swivel becket 5, and the swivel becket 5 is respectively arranged with jack with the side close to each other of rotating disc 3,
And the lower end of shell 1 is provided with heating wire 10, the sensor fastening device 7 includes fixed plate 71 and motion bar 72, described solid
The quantity of fixed board 71 is two, and the one end close to each other of fixed plate 71 offers mounting groove, and the both ends of the motion bar 72 plug
In the inside of the mounting groove, and spring 75 is placed between motion bar 72 and the inner wall of mounting groove, and fixed plate 71 is mutually remote
From one end be provided with fixed block 73, and the upper end of fixed plate 71 is provided with equally distributed binding post 76 and indicator light 78,
Every two binding post 76 and indicator light 78 are one group, and the electronic component in every group is serially connected.
Further, the lower end of shell 1 is provided with fan 9, and the air outlet of fan 9 is connected with shell 1, and electric heating
Silk is 10 between fan 9 and shell 1, and shell 1 is internally provided with temperature sensor and temperature controller, temperature sensor
Heating wire 10 can be cooperated to control the temperature inside shell 1 with temperature controller.
Further, shell 1 is connected by a hinge far from one end of motor 2 cover board 8, and between cover board 8 and shell 1
It is connected with fixture block.
Further, the lower end of fixed plate 71 is provided with support frame 74, and the quantity of support frame as described above 74 is two, and is supported
Frame 74 is C font, and support frame 74 is in use, can facilitate fixed plate 71 as the supporting leg of fixed plate 71 and as handle
It is close to each other.
Further, the upper end of fixed plate 71, which is glued, equally distributed rubber sleeve 77, and rubber sleeve 77 is used for fixed nitrogen oxygen
Sensor chip.
Further, supply hub is provided in fixed plate 71, and supply hub is electrically connected with binding post 76, indicator light 78
It connects.
Further, jack matches connection with fixed block 73, and the vertical section of fixed block 73 is square, and square sets
It sets so that fixed block 73 is not easy to rotate in jack.
Further, swivel becket 5 offers mounting groove close to one end of 1 inner wall of shell, is placed with cunning in the mounting groove
Ball 6, one end of the sliding ball 6 extends to the outside of mounting groove, and one end of sliding ball 6 is in contact with the inner wall of shell 1, sliding ball energy
Enough reduce the frictional force between swivel becket 5 and shell 1.
In the present embodiment, the present apparatus in use, first nitrogen oxide sensor chip is fixed on sensor fastening device 7, Gu
Nitrogen oxide sensor chip is plugged in 77 inner wall of rubber sleeve by timing, and by the conducting wire at nitrogen oxide sensor chip both ends respectively with it is adjacent
Binding post 76 be connected, then sensor fastening device 7 is fixed between rotating disc 3 and swivel becket 5, it is solid by two when fixed
Support frame 74 on fixed board 71 mutually furthers, so that spring 75 is compressed, the distance between fixed plate 71 becomes smaller at this time, at this time may be used
Fixed block 73 to be plugged in the jack of rotating disc 3 and swivel becket 5, support frame 74 is unclamped, spring 75 restores, so that solid
Determine block 73 to be not easy to fall off out of jack, starting motor 2, fan 9 and heating wire 10, fan cooperate heating wire 10 can be to shell
1 delivered inside hot-air, motor 2 are able to drive the rotation of rotating disc 3, and rotating disc 3 is able to drive sensor fixed dress when rotating
7 rotations are set, rotate nitrogen oxide sensor chip in shell 1, nitrogen oxide sensor chip is heated evenly, it is high
After warm aging, sensor fastening device 7 is taken out, after device is cooled to room temperature, by the power supply on sensor fastening device 7
Jack is connected with power supply, and when nitrogen oxide sensor chip does not damage at this time, the indicator light 78 in corresponding group can normally be sent out
Light can quickly pick out underproof nitrogen oxide sensor chip at this time, can effectively improve work efficiency.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of nitrogen oxide sensor chip ageing test device, including shell (1) and sensor fastening device (7), feature exists
In the middle part of shell (1) lateral wall is equipped with motor (2) by bracket, and the output end of the motor (2) extends to
The inside of shell (1) is simultaneously connected with rotating disc (3), and the rotating disc (3) is connected with connecting rod far from the side of motor (2)
(4) other end of one end, the connecting rod (4) is connected with swivel becket (5), and the swivel becket (5) and rotating disc (3) are mutual
Close side is respectively arranged with jack, and the lower end of shell (1) is provided with heating wire (10)；
The sensor fastening device (7) includes fixed plate (71) and motion bar (72), and the quantity of the fixed plate (71) is two
A, fixed plate (71) one end close to each other offers mounting groove, and the both ends of the motion bar (72) are plugged in the mounting groove
Inside, and spring (75) are placed between motion bar (72) and the inner wall of mounting groove, and fixed plate (71) be located remotely from each other one
End is provided with fixed block (73), and the upper end of fixed plate (71) is provided with equally distributed binding post (76) and indicator light
(78)。
2. a kind of nitrogen oxide sensor chip ageing test device according to claim 1, which is characterized in that the shell
(1) lower end is provided with fan (9), and the air outlet of fan (9) is connected with shell (1), and heating wire (10) is located at wind
It fans between (9) and shell (1).
3. a kind of nitrogen oxide sensor chip ageing test device according to claim 1, which is characterized in that the shell
(1) one end far from motor (2) is provided with cover board (8).
4. a kind of nitrogen oxide sensor chip ageing test device according to claim 1, which is characterized in that the fixed plate
(71) lower end is provided with support frame (74), and the quantity of support frame as described above (74) is two, and support frame (74) is C font.
5. a kind of nitrogen oxide sensor chip ageing test device according to claim 1, which is characterized in that the fixed plate
(71) upper end, which is glued, equally distributed rubber sleeve (77).
6. a kind of nitrogen oxide sensor chip ageing test device according to claim 1, which is characterized in that the fixed plate
(71) supply hub is provided on, and supply hub is electrically connected with binding post (76), indicator light (78).
7. a kind of nitrogen oxide sensor chip ageing test device according to claim 1, which is characterized in that the jack with
Fixed block (73) matching connection, and the vertical section of fixed block (73) is square.
8. a kind of nitrogen oxide sensor chip ageing test device according to claim 1, which is characterized in that the swivel becket
(5) mounting groove is offered close to one end of shell (1) inner wall, is placed in the mounting groove sliding ball (6), the sliding ball (6)
One end extends to the outside of mounting groove, and the one end of sliding ball (6) is in contact with the inner wall of shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138308.7A CN109358280A (en) | 2018-09-28 | 2018-09-28 | A kind of nitrogen oxide sensor chip ageing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138308.7A CN109358280A (en) | 2018-09-28 | 2018-09-28 | A kind of nitrogen oxide sensor chip ageing test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109358280A true CN109358280A (en) | 2019-02-19 |
Family
ID=65348126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811138308.7A Pending CN109358280A (en) | 2018-09-28 | 2018-09-28 | A kind of nitrogen oxide sensor chip ageing test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109358280A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927554A (en) * | 2019-12-17 | 2020-03-27 | 李士红 | LED lamp panel aging testing device |
| CN113432632A (en) * | 2021-05-31 | 2021-09-24 | 温州大学 | Nitrogen oxygen sensor heating device |
| CN113447617A (en) * | 2021-06-24 | 2021-09-28 | 石家庄博飞电子科技有限公司 | Aging method for nitrogen-oxygen sensor |
| CN114942304A (en) * | 2022-05-31 | 2022-08-26 | 无锡市科士特安全设备有限公司 | Intelligent gas detector aging test device and use method thereof |
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| CN107329064A (en) * | 2017-08-24 | 2017-11-07 | 西南交通大学 | A kind of experimental method of sleeve pipe major insulation multiple-factor joint aging |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110927554A (en) * | 2019-12-17 | 2020-03-27 | 李士红 | LED lamp panel aging testing device |
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| CN113432632A (en) * | 2021-05-31 | 2021-09-24 | 温州大学 | Nitrogen oxygen sensor heating device |
| CN113447617A (en) * | 2021-06-24 | 2021-09-28 | 石家庄博飞电子科技有限公司 | Aging method for nitrogen-oxygen sensor |
| CN114942304A (en) * | 2022-05-31 | 2022-08-26 | 无锡市科士特安全设备有限公司 | Intelligent gas detector aging test device and use method thereof |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190219 |