CN110108365A - A kind of noncontact plunger temperature measuring device - Google Patents
A kind of noncontact plunger temperature measuring device Download PDFInfo
- Publication number
- CN110108365A CN110108365A CN201910406254.6A CN201910406254A CN110108365A CN 110108365 A CN110108365 A CN 110108365A CN 201910406254 A CN201910406254 A CN 201910406254A CN 110108365 A CN110108365 A CN 110108365A
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- China
- Prior art keywords
- piston
- encoder
- noncontact
- internal combustion
- combustion engine
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 23
- 241001074085 Scophthalmus aquosus Species 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention discloses a kind of noncontact plunger temperature measuring devices, including infrared temperature sensor, windowpane, water-cooling protective cover, encoder, piston, display, crankshaft, controller, connecting rod and internal combustion engine cylinders；Windowpane is arranged in the side of the side wall of internal combustion engine cylinders; infrared temperature sensor is arranged in the top of windowpane; water-cooling protective cover is arranged in the external of infrared temperature sensor; piston, controller, connecting rod and encoder are all set in the inside of internal combustion engine cylinders; piston is movably set in the inside of internal combustion engine cylinders; one end of connecting rod connects piston, and the other end of connecting rod connects crankshaft, and encoder is mounted on one end of crankshaft axial direction；Solve the problems, such as in conventional art to install on piston detector it is unstable easily cause fall off it is short with service life.
Description
Technical field
The present invention relates to piston temperature fields of measurement, more particularly to a kind of noncontact plunger temperature measuring device.
Background technique
Piston temperature detection difficult when internal combustion engine, the working environment high temperature and pressure of piston, and piston motion is violent,
Extremely important to the detection of piston temperature in the case where not influencing piston motion, the temperature for understanding piston has to piston is understood
Certain meaning.The present invention is measured for internal combustion engine temperature, is selected infrared temperature sensor and is determined the installation of sensor
Position.Encoder is selected to measure crank angle for control infrared temperature sensor.
The prior art one, a kind of internal combustion engine top surface transient temperature test system, currently available technology is to pass through contact
Formula thermometry measures piston temperature, and a kind of mode is to will test foil gauge to be placed on piston tip, and signal processing device is put
It on piston rod, is connected between foil gauge and signal by line, the Technology design circuit and method for transmitting signals.
The shortcomings that the shortcomings that prior art one, the prior art is the method using contact type measurement, needs to add on piston
Add detection device to change the structure of piston, increases the weight of piston, and piston motion acutely installs detection on piston
Device is unstable, may cause and falls off, and service life is short.
The prior art two, piston transient temperature detection system and engine, a kind of method be by using permanent magnet with
And Hall sensor carries out the detection to piston temperature, equally using contact measurement method.
It the shortcomings that prior art two, is installed using contact, changes piston structure, service life is short.
Summary of the invention
To solve problems of the prior art, the present invention provides a kind of noncontact plunger temperature measuring device,
Solve the problems, such as in conventional art on piston installation dress detector it is unstable may cause fall off it is short with service life.
The technical solution adopted by the present invention is that: a kind of noncontact plunger temperature measuring device, including infrared temperature sensing
Device, windowpane, water-cooling protective cover, encoder, piston, display, crankshaft, controller, connecting rod and internal combustion engine cylinders；IC engine cylinder
Windowpane is arranged in the side of the side wall of body, and infrared temperature sensor, the outside of infrared temperature sensor is arranged in the top of windowpane
Water-cooling protective cover is set, and the piston, controller, connecting rod and encoder are all set in the inside of internal combustion engine cylinders, piston activity
It is set to the inside of internal combustion engine cylinders, one end of connecting rod connects piston, and the other end of connecting rod connects crankshaft, and encoder is mounted on song
One end of axis axial direction.
Preferably, encoder is used to detect the corner of crankshaft, to be inferred to piston position.
Preferably, the encoder amount of being formula encoder.
Preferably, the model SA-D1080A of infrared temperature sensor.
Preferably, controller is Freescale MC9S12XEP100 singlechip control panel.
Preferably, display is set in front of Observation personnel, records temperature data for Observation personnel.
Noncontact plunger temperature measuring device of the present invention has the beneficial effect that:
1. temperature is measured using non-contact detection internal combustion engine, it is more stable relative to contact, and use the longevity
Life length
2. piston itself will not be caused to bear using noncontact plunger temperature measuring device, it is good to maintain piston
It with environment original in cylinder, can accomplish that detection is accurate, detect temperature error 1%, meet goal of the invention.
Detailed description of the invention
Fig. 1 is the overall structure figure of noncontact plunger temperature measuring device of the present invention.
Fig. 2 is the mobile figure of piston of noncontact plunger temperature measuring device of the present invention.
Appended drawing reference: 1- infrared temperature sensor, 2- windowpane, 3- water-cooling protective cover, 4- encoder, 5- piston, 6- are bent
Axis, 7- connecting rod, 8- internal combustion engine cylinders.
Specific embodiment
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
A specific embodiment of the invention is described below, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific embodiment, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the column of protection.
A kind of noncontact plunger temperature measuring device, including infrared temperature sensor 1, windowpane 2, water-cooling protective cover 3,
Encoder 4, piston 5, crankshaft 6, controller, connecting rod 7 and internal combustion engine cylinders 8；Glass is arranged in the side of the side wall of internal combustion engine cylinders 8
Infrared temperature sensor 1 is arranged in window 2, the top of windowpane 2, and the external of infrared temperature sensor 1 is arranged water-cooling protective cover 3, lives
Plug 5, display, controller, connecting rod 7 and encoder 4 are all set in the inside of internal combustion engine cylinders 1, and piston 5 is movably set in internal combustion
The inside of machine cylinder body 8, one end of connecting rod 7 connect piston 5, and the other end of connecting rod 7 connects crankshaft 6, and encoder 4 is mounted on crankshaft 6
Axial one end.
The present embodiment is when implementing, installation diagram of the invention, as shown in Figure 1, selecting SA-D1080A model infrared temperature
Sensor is as temperature-detecting device, and using by the way of the punching of internal combustion engine piston cylinder position, installation infrared temperature passes the present invention
The installation site of sensor, infrared temperature sensor should be in the movement minimum point of piston, and the camera lens of infrared temperature sensor is installed
Between piston scraper ring and piston bottom end, close to oil-scraping ring side, and piston ring vertical distance 30mm, as shown in Fig. 2, control
The camera lens of infrared temperature sensor and the horizontal distance of piston are 30mm, and infrared temperature sensor of the invention is pacified using screw thread
Dress, the response time for the infrared temperature sensor that the present invention selects are 10ms, and test engine reaches living when 600r/min or more
Temperature is filled in, thermometric is accurate.
The present invention is cooperation infrared temperature sensor, measures crank angle using encoder, is pushed away using crank angle degrees
Engine piston position is calculated, infrared temperature sensor thermometric is controlled, encoder is mounted on engine crankshaft bar side, and detection is started
Machine rotational angle.
Before beginning, internal combustion engine operation, encoder controls the inspection of infrared temperature sensor temperature with engine crankshaft synchronous rotary
It surveys, infrared temperature sensor is shown in piston motion to fixed position detection piston temperature, piston temperature by display, display
It is individually placed.
The present invention using encoder control infrared temperature sensor detect piston temperature, temperature detection accuracy rate 1% with
It is interior, it can satisfy technical requirements, meanwhile, the present invention does not change piston profile, does not impact to the operation of internal combustion engine.
The encoder 4 of the present embodiment is used to detect the corner of crankshaft, to be inferred to piston position.
The encoder 4 of the present embodiment is incremental encoder.
The model SA-D1080A of the infrared temperature sensor 1 of the present embodiment.
The controller of the present embodiment is Freescale MC9S12XEP100 singlechip control panel.
The display of the present embodiment is set in front of Observation personnel, records temperature data for Observation personnel.
For the present embodiment when implementing, single-chip microcontroller uses Freescale MC9S12XEP100 single-chip microcontroller in circuit of the present invention,
Infrared temperature detector model SA-D1080A, encoder use incremental encoder, infrared temperature sensor circuit and coding
Device circuit has had very mature circuit.
Claims (6)
1. a kind of noncontact plunger temperature measuring device, which is characterized in that including infrared temperature sensor (1), windowpane
(2), water-cooling protective cover (3), encoder (4), piston (5), display, crankshaft (6), controller, connecting rod (7) and internal combustion engine cylinders
(8)；Windowpane (2) are arranged in the side of the side wall of the internal combustion engine cylinders (8), and infrared temperature is arranged in the top of the windowpane (2)
Spend sensor (1), water-cooling protective cover (3) are arranged in the external of the infrared temperature sensor (1), the piston (5), controller,
Connecting rod (7) and encoder (4) are all set in the inside of internal combustion engine cylinders (1), and the piston (5) is movably set in internal combustion engine cylinders
(8) one end of inside, the connecting rod (7) connects piston (5), and the other end of the connecting rod (7) connects crankshaft (6), the volume
Code device (4) is mounted on one end of crankshaft (6) axial direction.
2. noncontact plunger temperature measuring device according to claim 1, which is characterized in that the encoder (4) is used
In the corner of detection crankshaft, to be inferred to piston position.
3. noncontact plunger temperature measuring device according to claim 2, which is characterized in that the encoder (4)
For incremental encoder.
4. noncontact plunger temperature measuring device according to claim 1, which is characterized in that the infrared temperature sensing
The model SA-D1080A of device (1).
5. noncontact plunger temperature measuring device according to claim 1, which is characterized in that the controller is to fly to think
Karr MC9S12XEP100 singlechip control panel.
6. noncontact plunger temperature measuring device according to claim 1, which is characterized in that the display is set to
In front of Observation personnel, temperature data is recorded for Observation personnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910406254.6A CN110108365A (en) | 2019-05-16 | 2019-05-16 | A kind of noncontact plunger temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910406254.6A CN110108365A (en) | 2019-05-16 | 2019-05-16 | A kind of noncontact plunger temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110108365A true CN110108365A (en) | 2019-08-09 |
Family
ID=67490298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910406254.6A Pending CN110108365A (en) | 2019-05-16 | 2019-05-16 | A kind of noncontact plunger temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110108365A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5106202A (en) * | 1990-12-18 | 1992-04-21 | Board Of Control Of Michigan Technological University | Apparatus for measuring the temperature of a piston in an internal combustion engine |
| WO2000016052A1 (en) * | 1998-09-14 | 2000-03-23 | Barmag Ag | Godet roll unit and method for measuring a surface temperature |
| CN200968901Y (en) * | 2006-07-29 | 2007-10-31 | 兰州交通大学 | Diesel locomotive diesel exhausting branch pipe temperature infrared temperature measurement mechanism |
| CN102169058A (en) * | 2011-01-13 | 2011-08-31 | 北京理工大学 | Testing device and method for hydrogen constant-volume compression ignition |
| CN202453105U (en) * | 2011-12-14 | 2012-09-26 | 长安大学 | Device for measuring temperature of piston of internal combustion engine |
| CN102809480A (en) * | 2011-06-03 | 2012-12-05 | 北京理工大学 | Method for monitoring movement situations of slide valve of monoblock pump |
| CN102853930A (en) * | 2012-08-24 | 2013-01-02 | 大连交通大学 | Transient temperature measuring system for diesel engine piston and measuring method thereof |
| CN203325326U (en) * | 2013-05-14 | 2013-12-04 | 西安交通大学 | Demonstration device of engine |
| CN106052878A (en) * | 2015-04-17 | 2016-10-26 | 保时捷股份公司 | Cylinder head assembly |
| CN106948959A (en) * | 2015-12-15 | 2017-07-14 | 迪尔公司 | The method for determining the cylinder health status in conventional engine |
| CN107024429A (en) * | 2017-05-04 | 2017-08-08 | 南京工程学院 | A kind of test device and application method for high-speed friction spark |
-
2019
- 2019-05-16 CN CN201910406254.6A patent/CN110108365A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5106202A (en) * | 1990-12-18 | 1992-04-21 | Board Of Control Of Michigan Technological University | Apparatus for measuring the temperature of a piston in an internal combustion engine |
| WO2000016052A1 (en) * | 1998-09-14 | 2000-03-23 | Barmag Ag | Godet roll unit and method for measuring a surface temperature |
| CN200968901Y (en) * | 2006-07-29 | 2007-10-31 | 兰州交通大学 | Diesel locomotive diesel exhausting branch pipe temperature infrared temperature measurement mechanism |
| CN102169058A (en) * | 2011-01-13 | 2011-08-31 | 北京理工大学 | Testing device and method for hydrogen constant-volume compression ignition |
| CN102809480A (en) * | 2011-06-03 | 2012-12-05 | 北京理工大学 | Method for monitoring movement situations of slide valve of monoblock pump |
| CN202453105U (en) * | 2011-12-14 | 2012-09-26 | 长安大学 | Device for measuring temperature of piston of internal combustion engine |
| CN102853930A (en) * | 2012-08-24 | 2013-01-02 | 大连交通大学 | Transient temperature measuring system for diesel engine piston and measuring method thereof |
| CN203325326U (en) * | 2013-05-14 | 2013-12-04 | 西安交通大学 | Demonstration device of engine |
| CN106052878A (en) * | 2015-04-17 | 2016-10-26 | 保时捷股份公司 | Cylinder head assembly |
| CN106948959A (en) * | 2015-12-15 | 2017-07-14 | 迪尔公司 | The method for determining the cylinder health status in conventional engine |
| CN107024429A (en) * | 2017-05-04 | 2017-08-08 | 南京工程学院 | A kind of test device and application method for high-speed friction spark |
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| Title |
|---|
| HIDETOSHI TAKAMATSU 等: "Piston temperature measurement method for high-speed gasoline engines", 《JSAE REVIEW》 * |
| TAO QIU 等: "A method for estimating the temperature downstream of the SCR (selective catalytic reduction) catalyst in diesel engines", 《ENERGY》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Xinghua Inventor after: Zhang Yue Inventor before: Zhang Yue Inventor before: Liu Xinghua |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190809 |