CN201748998U - Field detector for voltage sensor - Google Patents
Field detector for voltage sensor Download PDFInfo
- Publication number
- CN201748998U CN201748998U CN 201020588695 CN201020588695U CN201748998U CN 201748998 U CN201748998 U CN 201748998U CN 201020588695 CN201020588695 CN 201020588695 CN 201020588695 U CN201020588695 U CN 201020588695U CN 201748998 U CN201748998 U CN 201748998U
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- pressure transducer
- voltage
- interface
- display module
- digital display
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Abstract
The utiltiy model provides a field detector for voltage sensor, compising a digital display module (14) for displaying the output voltage of the voltage sensor, an interface (15) connected with the power supply line and the signal input line of the digital display module (14); and a power supply for the digital display module (14). The interface of the digital module is only needed to matched with the interface of the voltage sensor to be detected when the voltage of the sensor is detected. The power supply supplies power to the digital display module and to the voltage sensor to the interface, and the voltage output by the voltage sensor is displayed by the digital display module. If the voltage can no be displayed normally, the voltage sensor has fault. When the voltage is detected, the voltage sensor is not needed to be dismounted from the engine, and only the interface of the voltage sensor is butted with the interface of the utiltiy model for detecting.
Description
Technical field
The utility model relates to sensor technical field, more particularly, relates to a kind of pressure transducer in-situs tester.
Background technology
Whether general engine all needs the setting pressure sensor, be in the normal pressure limit with the oil pressure that detects in the main oil gallery.Avoid oil pressure after being higher or lower than this pressure limit, engine is caused damage.The corresponding output voltage of the pressure measurement range of the pressure transducer that general engine main oil gallery is used is 0.5～4.5V.
This pressure transducer was followed engine and is cleaned and paint operation together in the initial installation stage, easily build-up of pressure sensor fault (failure rate is generally more than 10%).In order to reduce failure rate, must improve cleaning and painting technology, the effect after the process modification needs to embody by the fault of detected pressures sensor.
In order to verify whether pressure transducer damages, before this before the engine packing, pull down pressure transducer, and pressure transducer is transferred to desk-top instrument inspection, desk-top instrument can detect every index of pressure transducer, in order to prevent that machine oil from spilling, also need to block mounting hole simultaneously, greatly influenced production efficiency with plug.
Because cleaning and painting technology are little to every performance index influence of pressure transducer, therefore, need not to detect the concrete numerical value of its every performance index, these numerical value are when sensor dispatches from the factory, and are qualified.At this, need not to detect concrete parameter, as long as whether can judge fault.
Need a kind of pressure transducer that need not to pull down at present badly, whether can detect the detector of fault at the scene.
The utility model content
In view of this, the utility model provides a kind of pressure transducer in-situs tester, to realize need not to pull down pressure transducer, can detect the whether purpose of fault of this pressure transducer at the scene.
For achieving the above object, the utility model provides following technical scheme:
A kind of pressure transducer in-situs tester comprises:
Be used to show the digital display module of pressure transducer output voltage;
The interface that links to each other with signal input line with the power lead of described digital display module;
Power supply for described digital display module power supply.
Preferably, in above-mentioned pressure transducer in-situs tester, described digital display module is a voltage table.
Preferably, in above-mentioned pressure transducer in-situs tester, described power supply is battery and a power transfer module parallel with one another.
Preferably, in above-mentioned pressure transducer in-situs tester, also comprise the switch that is arranged between described battery and the power transfer module.
Preferably, in above-mentioned pressure transducer in-situs tester, described interface is and the suitable interface of the interface of pressure transducer.
Preferably, in above-mentioned pressure transducer in-situs tester, described power supply is that the battery of 14.4V and the power transfer module that cell voltage is converted to stable+5V voltage are formed by rated voltage.
From above-mentioned technical scheme as can be seen, because pressure transducer is when atmospheric pressure, normal output voltage is 0.5V, as damaging, and normal output voltage all under each pressure.Therefore, as long as whether output is normal when checking atmospheric pressure, just can judge whether sensor damages.The detector that the utility model provides only need cooperate interface of the present utility model to get final product when survey sensor pressure with the interface of testing pressure sensor.Power supply had both been given digital display module power supply, powered to pressure transducer by interface again simultaneously, and the voltage of pressure transducer output is shown by digital display module.If normally display voltage illustrates pressure transducer fault.The utility model need not pressure transducer is pulled down from engine when the detected pressures sensor, only the interface of pressure transducer need be docked with interface of the present utility model and can finish detection.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The circuit diagram of the pressure transducer in-situs tester that Fig. 1 the utility model embodiment provides;
Circuit diagram when the pressure transducer that Fig. 2 the utility model embodiment provides docks with the pressure transducer in-situs tester.
Embodiment
The utility model discloses a kind of pressure transducer in-situs tester,, can detect the whether purpose of fault of this pressure transducer at the scene to realize need not to pull down pressure transducer.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1 and Fig. 2, the circuit diagram of the pressure transducer in-situs tester that Fig. 1 the utility model embodiment provides, the circuit diagram the when pressure transducer that Fig. 2 the utility model embodiment provides docks with the pressure transducer in-situs tester.
The pressure transducer in-situs tester 1 that the utility model provides comprises: battery 11, power transfer module 13, digital display module 14 and interface 15.Wherein, battery 11 be that described digital display module 14 is powered through power transfer module 13 conversion back, and battery is preferably lithium battery, and in use, is that pressure transducer 2 is powered simultaneously.Numeral display module 14 is used to show the output voltage of pressure transducer 2, and digital display module 14 can be common voltage table.Pressure transducer 2 can be exported different voltage when sensing different pressure.Interface 15 links to each other with signal input line with the power lead of described digital display module 14, and interface to make things convenient for wiring in order detecting and to be provided with.Interface 15 on the pressure transducer in-situs tester 1 is should be suitable with the interface of pressure transducer 2.
Because pressure transducer 2 is at atmospheric pressure, when promptly not being subjected to extra pressure, normal output voltage is 0.5V, as damaging, and normal output voltage all under each pressure.Therefore, as long as whether output is normal when checking atmospheric pressure, just can judge whether pressure transducer 2 damages.The pressure transducer in-situs tester 1 that the utility model provides only need cooperate interface 15 of the present utility model to get final product when survey sensor pressure 2 with the interface of testing pressure sensor 2.Power supply had both been given digital display module 14 power supplies, gave pressure transducer 2 power supplies by interface 15 again simultaneously, and the voltage of pressure transducer 2 outputs is shown by digital display module 14.If normally display voltage illustrates pressure transducer fault.The utility model need not pressure transducer 2 is pulled down from engine when detected pressures sensor 2, only needs interface with pressure transducer dock with interface of the present utility model and can finish detection.
The power transfer module that the utility model comprises is used for the voltage transitions of battery 11 and is stabilized in the required voltage of pressure transducer 2, and general pressure transducer 2 voltages are 5V, therefore can voltage transitions be become stable+5V voltage by power transfer module 13.
The utility model can also comprise the switch 12 that is arranged between described battery 11 and the described power transfer module 13, detects by switch 12 opening and closing easily.In joint 15 butt joints with pressure transducer joint 2 and pressure transducer in-situs tester 1, open switch 12 then, can realize detecting, after detection finished, off switch can cut off detection.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. a pressure transducer in-situs tester is characterized in that, comprising:
Be used to show the digital display module (14) of pressure transducer output voltage;
The interface (15) that links to each other with signal input line with the power lead of described digital display module (14);
Power supply for described digital display module (14) power supply.
2. pressure transducer in-situs tester as claimed in claim 1 is characterized in that, described digital display module (14) is a voltage table.
3. pressure transducer in-situs tester as claimed in claim 1 is characterized in that, described power supply is battery (11) and a power transfer module (13) parallel with one another.
4. pressure transducer in-situs tester as claimed in claim 3 is characterized in that, also comprises the switch (12) that is arranged between described battery (11) and the described power transfer module (13).
5. pressure transducer in-situs tester as claimed in claim 1 is characterized in that, described interface (15) is and the suitable interface of the interface of pressure transducer.
6. pressure transducer in-situs tester as claimed in claim 1 is characterized in that, described power supply is that the battery (11) of four joint serial connections of 14.4V and the power transfer module (13) that cell voltage is converted to stable+5V voltage are formed by rated voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020588695 CN201748998U (en) | 2010-11-02 | 2010-11-02 | Field detector for voltage sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020588695 CN201748998U (en) | 2010-11-02 | 2010-11-02 | Field detector for voltage sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201748998U true CN201748998U (en) | 2011-02-16 |
Family
ID=43583673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020588695 Expired - Lifetime CN201748998U (en) | 2010-11-02 | 2010-11-02 | Field detector for voltage sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201748998U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265477A (en) * | 2014-05-28 | 2015-01-07 | 北京理工大学 | Method for determining whether air inlet pressure sensor of supercharged diesel engine is abnormal or not and diagnosing faults |
| CN104265478A (en) * | 2014-05-28 | 2015-01-07 | 北京理工大学 | Method for determining if intake pressure sensor of diesel engine is abnormal and for fault diagnosis |
| CN106556334A (en) * | 2015-09-29 | 2017-04-05 | 中国飞机强度研究所 | Portable electric flow pattern displacement transducer detection means |
| CN107764478A (en) * | 2017-09-08 | 2018-03-06 | 中国第汽车股份有限公司 | Portable direct-reading type Motronic control maps engine oil pressure pickup detector |
-
2010
- 2010-11-02 CN CN 201020588695 patent/CN201748998U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265477A (en) * | 2014-05-28 | 2015-01-07 | 北京理工大学 | Method for determining whether air inlet pressure sensor of supercharged diesel engine is abnormal or not and diagnosing faults |
| CN104265478A (en) * | 2014-05-28 | 2015-01-07 | 北京理工大学 | Method for determining if intake pressure sensor of diesel engine is abnormal and for fault diagnosis |
| CN104265478B (en) * | 2014-05-28 | 2016-07-27 | 北京理工大学 | Determine supercharged diesel engine air inlet pressure sensor whether exception and method for diagnosing faults |
| CN104265477B (en) * | 2014-05-28 | 2016-08-17 | 北京理工大学 | Determine supercharged diesel engine air inlet pressure sensor whether exception and method for diagnosing faults |
| CN106556334A (en) * | 2015-09-29 | 2017-04-05 | 中国飞机强度研究所 | Portable electric flow pattern displacement transducer detection means |
| CN107764478A (en) * | 2017-09-08 | 2018-03-06 | 中国第汽车股份有限公司 | Portable direct-reading type Motronic control maps engine oil pressure pickup detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Jun Inventor before: Li Jun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI JUN TO: CHEN JUN |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110216 |