CN201402126Y - Non-disassembly detector for detecting abrasion of engine cylinder - Google Patents
Non-disassembly detector for detecting abrasion of engine cylinder Download PDFInfo
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- CN201402126Y CN201402126Y CN2009200956359U CN200920095635U CN201402126Y CN 201402126 Y CN201402126 Y CN 201402126Y CN 2009200956359 U CN2009200956359 U CN 2009200956359U CN 200920095635 U CN200920095635 U CN 200920095635U CN 201402126 Y CN201402126 Y CN 201402126Y
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Abstract
The utility model relates to a non-disassembly detector for detecting abrasion of an engine cylinder. The non-disassembly detector mainly comprises a photoelectric measurement system, a data processing and display system and a host computer, wherein the photoelectric measurement system includes a light energy emission module, an optical fiber transmission module, and a photoelectric conversion module; the data processing and display system includes an analog signal conditioning module, an A/D conversion and algorithm processing module and a data display module; the light energy emission module is connected with the optical fiber transmission module; the optical fiber transmission module is sequentially connected with the photoelectric conversion module, the analog signal conditioning module, the A/D conversion and algorithm processing module and the data display module. The detector using the ranging principle using intensity-reflective energy method can detect the abrasion conditionof three cross sections of the cylinder in one step by use of a spatial position sensor with 12 integrated optical fibers without disassembling the cylinder cover of the engine. The detector is applicable to gasoline or diesel engines with the diameter of a spark plug or a fuel injector mounting hole not less than 6 mm.
Description
Technical field
The utility model belongs to automobile engine cylinder abrasion amount measuring instrument, relates in particular to a kind of cylinder wearing and tearing and does not understand the body detector.
Background technology
The detection method of traditional maintenance engine is to adopt bore gauge to measure cylinder wear, and there is problem time-consuming, that require great effort, engine is had damage in it.The motor car engine maintenance is promoted the use of instrument and is detected.But, usually all to dismantle the state of wear that could detect cylinder under the situation of engine cylinder cap.As " engine journal " 1997,18 (4): 48-52 once published an article " air cylinder sleeve of engine wear map Measurement Study "; Patented claim CN2156501, the disclosed technology of 1994-02-16 " a kind of intelligent cylinder abrasion detection instrument ".Patented claim CN 2119653, the once disclosed technology of 1992-10-21 " a kind of engine cylinder wear detector ", can under the situation of the engine that do not disintegrate, detect the cylinder wear state, but this technology can only be measured by the spark plug mounting hole that diameter is not less than 10mm, and can only measure the abrasion condition in a cross section of cylinder.
The utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and provide a kind of cylinder wearing and tearing not understand the body detector, it does not need to dismantle cylinder head, measuring mechanism enters in the cylinder by being not less than 6mm spark plug mounting hole or mounting hole of oil sprayer, can measure the cylinder wear state in each cross section in the throw of poston.
The utility model for achieving the above object, by the following technical solutions: the body detector is not understood in a kind of cylinder wearing and tearing, it is characterized in that: mainly form by photoeletric measuring system and data processing and display system and main frame, described photoeletric measuring system comprises luminous energy transmitter module, Optical Fiber Transmission module, photoelectric conversion module, and described data processing and display system comprise analog signal conditioner module, analog to digital conversion and calculation process module, data disaply moudle; Described luminous energy transmitter module is connected with the Optical Fiber Transmission module, and the Optical Fiber Transmission module is connected successively with photoelectric conversion module, analog signal conditioner module, analog to digital conversion and calculation process module and data disaply moudle again.
Described Optical Fiber Transmission module is mainly launched Transmission Fibers, measuring sonde and the control device that light transmission and reflected light receive by being used to of connecting successively and is formed.
The Transmission Fibers of described Optical Fiber Transmission module is provided with 12, every optical fiber comprises 4 tunnel emissions and 4 tunnel and receives sub-optical fibre, measuring sonde one end is connected with photoelectric conversion device, control device respectively by Transmission Fibers, the light source interface other end is connected with the luminous energy transmitter module, and data signal interfaces is connected with main frame.
Described luminous energy transmitter module comprises 12 paths of LEDs or LASER Light Source, collective optics, optical lens and the joints of optical fibre that connect successively.
Described photoelectric conversion module adopts the photodetector that light signal is transferred to electric signal.
Described measuring sonde is a cylindrical-shaped structure, is made up of three parts that the upper, middle and lower structure is identical, and the circumferential wall of every part column structure is provided with 4 optical fiber mounting holes of symmetry in twos.
Described control device is used for the industrial endoscope control gear of control survey probe locus.
The utility model beneficial effect: the cylinder wearing and tearing are not understood the body detector and are adopted the reflective energy method range measurement principle of light intensity, have designed the locus sensor of integrated 12 optical fiber.The engine model that this detector is suitable for is more, and the 6mm of petrol engine and diesel motor be not less than to(for) spark plug or mounting hole of oil sprayer diameter all can detect.Measuring accuracy reaches 0.01mm, and is identical with the measuring accuracy of the bore gauge that generally uses at present.This detector does not need to dismantle engine cylinder cap, single measurement can obtain the cylinder wear situation in three cross sections when using, and measuring speed is fast.
Description of drawings
Fig. 1 is the structural representation that the body detector is not understood in the cylinder wearing and tearing;
Fig. 2 is the system chart that the body detector is not understood in the cylinder wearing and tearing;
Fig. 3-the 4th, the measuring principle synoptic diagram;
Fig. 5 measures the light synoptic diagram:
Fig. 6 is measuring sonde single layer structure figure;
Fig. 7 is the measuring sonde wiring layout.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing and preferred embodiment.
The body detector is not understood in a kind of cylinder wearing and tearing, the body detector is not understood in a kind of cylinder wearing and tearing, mainly form by photoeletric measuring system and data processing and display system and main frame 1, described photoeletric measuring system comprises the luminous energy transmitter module, the Optical Fiber Transmission module, photoelectric conversion module, described data processing and display system comprise the analog signal conditioner module, analog to digital conversion and calculation process module, data disaply moudle, described luminous energy transmitter module is connected with the Optical Fiber Transmission module, described Optical Fiber Transmission module is mainly by the Transmission Fibers 3 that is used to launch light transmission and reflected light reception that connects successively, measuring sonde 2 and control device 4 are formed, and described photoelectric conversion module adopts the photodetector that light signal is transferred to electric signal.Described luminous energy transmitter module comprises 12 paths of LEDs or LASER Light Source, collective optics, optical lens and the joints of optical fibre that connect successively, and it mainly acts on and provides stable measurement light source.For improving signal to noise ratio (S/N ratio), light source adopts modulation system.。The Transmission Fibers of described Optical Fiber Transmission module is provided with 12, every optical fiber comprises four tunnel emissions and four tunnel and receives sub-optical fibre, measuring sonde one end is connected with photoelectric conversion device 6, control device respectively by Transmission Fibers, light source interface 5 other ends are connected with the luminous energy transmitter module, and data signal interfaces 7 is connected with main frame.Described measuring sonde is a cylindrical-shaped structure, is made up of three parts that the upper, middle and lower structure is identical, and the circumferential wall of every part column structure is provided with 4 optical fiber mounting holes 8 of symmetry in twos.The external diameter of measuring sonde and Transmission Fibers outer tube is 6mm, and the spark plug or the mounting hole of oil sprayer that can pass through most of model engine freely stretch into cylinder, and single measurement can access the cylinder wear situation on three planes.Described control device is used for the industrial endoscope control gear of control survey probe locus, thereby guarantees that measurement plane can detect cylinder greatest wear position.Photoelectric conversion module mainly adopts photodetector to transfer light signal to electric signal.The analog signal conditioner module is mainly carried out processing and amplifying with the ultra-weak electronic signal after the photodetector conversion.Analog to digital conversion and calculation process module adopt technical grade mainboard and A/D modular converter, utilize the application program of embedded programming language compilation, and the variation of photosignal is converted to displacement numerical value.Data disaply moudle adopts liquid crystal display, can show the position of measuring sonde and the cylinder wear state on the measurement cross section in real time.Wherein, opto-electronic conversion and signal condition module can design or choose the matured product transformation voluntarily.
Analog to digital conversion in the main frame and calculation process module adopt the EPC-8900 technical grade mainboard and the PCM-8208BT A/D modular converter of Guangzhou Zhiyuan Electronics Co., Ltd.'s exploitation, important technological parameters is as follows: the EPC-8900 mainboard: adopt the PC/104 built-in industrial control machine mainboard based on XScale processor P XA270, plate carries 2 road isolated can bus interface.This system has characteristics such as aboundresources, interface are complete, low in energy consumption, reliability height, prepackage Microsoft Windows CE 5.0 embedded OSs, and providing whole plates to carry peripheral hardware driver storehouse, data disaply moudle adopts wide temperature range type touch LCD screen, 8.4 inches of indication ranges.
Principle of work: the cylinder wearing and tearing are not understood the body detector and are adopted the reflective energy method range measurement principle of light intensity, have designed the locus sensor of integrated 12 optical fiber.Shown in Fig. 2-3, sensor end design has three layers of A that is parallel to each other, B, C measurement plane, and every layer of measurement plane comprises two mutually perpendicular C1, C2 as shown in Figure 4, C3, C4 measure light.In the measuring process, the position in sensor probe space changes, the variation of computer real-time acquisition position, and when measured value Lc1=Lc3, the minimum value of Lc2 and Lc4 sum is 1 diameters that axis is crossed in this cross section.Single operation can be measured three diameters on the cross section simultaneously, circulates can get 9 diameters on the cross section three times, and wherein the difference of maximal value and ideal value is the wear extent maximal value on the diametric(al).
The above only is preferred embodiment of the present utility model, is not structure of the present utility model is done any pro forma restriction.Every foundation technical spirit of the present utility model all still belongs in the scope of the technical solution of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (7)
1, the body detector is not understood in a kind of cylinder wearing and tearing, it is characterized in that: mainly form by photoeletric measuring system and data processing and display system and main frame, described photoeletric measuring system comprises luminous energy transmitter module, Optical Fiber Transmission module, photoelectric conversion module, and described data processing and display system comprise analog signal conditioner module, analog to digital conversion and calculation process module, data disaply moudle; Described luminous energy transmitter module is connected with the Optical Fiber Transmission module, and the Optical Fiber Transmission module is connected successively with photoelectric conversion module, analog signal conditioner module, analog to digital conversion and calculation process module and data disaply moudle again.
2, the body detector is not understood in wearing and tearing according to the described cylinder of claim 1, it is characterized in that: described Optical Fiber Transmission module is mainly launched Transmission Fibers, measuring sonde and the control device that light transmission and reflected light receive by being used to of connecting successively and is formed.
3, the body detector is not understood in described cylinder wearing and tearing according to claim 1, it is characterized in that: the Transmission Fibers of described Optical Fiber Transmission module is provided with 12, every optical fiber comprises 4 tunnel emissions and 4 tunnel and receives sub-optical fibre, measuring sonde one end is connected with photoelectric conversion device, control device respectively by Transmission Fibers, the light source interface other end is connected with the luminous energy transmitter module, and data signal interfaces is connected with main frame.
4, the body detector is not understood in described cylinder wearing and tearing according to claim 1, and it is characterized in that: described luminous energy transmitter module comprises 12 paths of LEDs or LASER Light Source, collective optics, optical lens and the joints of optical fibre that connect successively.
5, the body detector is not understood in described cylinder wearing and tearing according to claim 1, and it is characterized in that: described photoelectric conversion module adopts the photodetector that light signal is transferred to electric signal.
6, the body detector is not understood in described cylinder wearing and tearing according to claim 1, it is characterized in that: described measuring sonde is a cylindrical-shaped structure, be made up of three parts that the upper, middle and lower structure is identical, the circumferential wall of every part column structure is provided with 4 optical fiber mounting holes of symmetry in twos.
7, the body detector is not understood in described cylinder wearing and tearing according to claim 1, and it is characterized in that: described control device is used for the industrial endoscope control gear of control survey probe locus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200956359U CN201402126Y (en) | 2009-02-24 | 2009-02-24 | Non-disassembly detector for detecting abrasion of engine cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200956359U CN201402126Y (en) | 2009-02-24 | 2009-02-24 | Non-disassembly detector for detecting abrasion of engine cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN201402126Y true CN201402126Y (en) | 2010-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200956359U Expired - Fee Related CN201402126Y (en) | 2009-02-24 | 2009-02-24 | Non-disassembly detector for detecting abrasion of engine cylinder |
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| Country | Link |
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| CN (1) | CN201402126Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853938A (en) * | 2012-09-18 | 2013-01-02 | 山东大学 | Engine cylinder cover parameter measuring instrument and method based on optical fiber probe |
| CN106248796A (en) * | 2016-08-22 | 2016-12-21 | 北京汽车研究总院有限公司 | Exempt to dismount automobile engine cylinder detection and clean device |
-
2009
- 2009-02-24 CN CN2009200956359U patent/CN201402126Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853938A (en) * | 2012-09-18 | 2013-01-02 | 山东大学 | Engine cylinder cover parameter measuring instrument and method based on optical fiber probe |
| CN106248796A (en) * | 2016-08-22 | 2016-12-21 | 北京汽车研究总院有限公司 | Exempt to dismount automobile engine cylinder detection and clean device |
| CN106248796B (en) * | 2016-08-22 | 2018-09-25 | 北京汽车研究总院有限公司 | Exempt to dismount automobile engine cylinder detection cleaning device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100210 Termination date: 20170224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |