CN205027449U - Automobile engine's quick temperature measurement system based on contact infrared temperature -test technology - Google Patents
Automobile engine's quick temperature measurement system based on contact infrared temperature -test technology Download PDFInfo
- Publication number
- CN205027449U CN205027449U CN201520786243.2U CN201520786243U CN205027449U CN 205027449 U CN205027449 U CN 205027449U CN 201520786243 U CN201520786243 U CN 201520786243U CN 205027449 U CN205027449 U CN 205027449U
- Authority
- CN
- China
- Prior art keywords
- contact
- temperature
- infrared
- motor car
- car engine
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 26
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 239000011889 copper foil Substances 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 17
- 239000011651 chromium Substances 0.000 claims abstract description 17
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 13
- 230000005855 radiation Effects 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000012913 prioritisation Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000004861 thermometry Methods 0.000 description 2
- 238000005314 correlation function Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Radiation Pyrometers (AREA)
Abstract
The utility model discloses an automobile engine's quick temperature measurement system based on contact infrared temperature -test technology, including contact heat conduction module, PIR, processing module, PIR includes infrared sensor, is used for to block the optical filter of visible light and near infrared radiation, contact heat conduction module setting is on automobile engine's surface, and the optical filter setting is between contact heat conduction module and infrared sensor, and the distance of optical filter and contact heat conduction module is greater than optical filter and infrared sensor's distance, and infrared sensor and processing module are connected. Contact heat conduction module includes chromium -plated layer, copper foil and graphene films, and wherein, chromium -plated layer sets up on automobile engine's surface, and the copper foil setting is on chromium -plated layer, and graphene films sets up on the copper foil. The utility model discloses shortened the temperature measurement time, but the various automobile engine of precision measurement go up the temperature of different emissivity positions department, greatly increased the universality.
Description
Technical field
The utility model relates to temperature detection technical field, particularly based on the quick temperature measurement system of the motor car engine of contact infrared temperature-test technology.
Background technology
Traditional based in the car engine temperature measuring process of contact temperature-measuring, conventional contact thermometric schematic diagram as shown in Figure 1, first motor car engine carries out heat interchange until thermal equilibrium with Heat Conduction Material, Heat Conduction Material and temperature sensor also will carry out heat interchange until thermal equilibrium, and heat interchange receives various factors impact, as material conducts heat performance, gap in the middle of surface of contact, surface of contact surface roughness etc., cause heat exchanger time longer, and for conventional contact thermometric, whole process goes through twice heat interchange, therefore the thermometric time is very long, more than 120 seconds.
Infrared measurement of temperature be to utilize in sensor infrared sensor receive and measure the radiation of object and realize measuring, be Non-contact Infrared Temperature Measurement schematic diagram as shown in Figure 2.And the radiation that sensor absorbs is relevant to the emissivity measuring object, object for unknown emissivity cannot accurately measure its temperature, in addition, it is very complicated for measuring low-launch-rate object, therefore Non-contacting Infrared Thermometer device in the market is all applied based in known testee emissivity situation, there is limitation, cannot be pervasive.
Summary of the invention
Technical problem to be solved in the utility model is the quick temperature measurement system overcoming the deficiencies in the prior art and provide the motor car engine based on contact infrared temperature-test technology, the utility model shortens the thermometric time, accurately can measure the temperature of different emissivity position in various motor car engine, considerably increase universality.
The utility model is for solving the problems of the technologies described above by the following technical solutions:
According to the quick temperature measurement system of the motor car engine based on contact infrared temperature-test technology that the utility model proposes, comprise contact heat conducting module, infrared detection module, processing module; Wherein, described infrared detection module comprises infrared sensor, optical filter for block visible light and near infrared radiation; Contact heat conducting module is arranged on the surface of motor car engine, optical filter is arranged between contact heat conducting module and infrared sensor, and the distance of optical filter and contact heat conducting module is greater than the distance of optical filter and infrared sensor, infrared sensor is connected with processing module.
As the further prioritization scheme of quick temperature measurement system of the motor car engine based on contact infrared temperature-test technology described in the utility model, described contact heat conducting module comprises chromium coating, Copper Foil and graphene film, wherein, chromium coating is arranged on the surface of motor car engine, Copper Foil is arranged on chromium coating, and graphene film is arranged on Copper Foil.
As the further prioritization scheme of quick temperature measurement system of the motor car engine based on contact infrared temperature-test technology described in the utility model, the coefficient of heat conductivity of described Copper Foil is greater than 350W/mK, the thickness of chromium coating is less than 0.2mm, the thickness of Copper Foil is less than 0.5mm, and the thickness of graphene film is less than 50 μm.
As the further prioritization scheme of quick temperature measurement system of the motor car engine based on contact infrared temperature-test technology described in the utility model, described processing module comprises the signal processor, noise reduction unit, AD conversion unit and the single-chip microcomputer that connect successively.
As the further prioritization scheme of quick temperature measurement system of the motor car engine based on contact infrared temperature-test technology described in the utility model, also comprise the display module and keyboard input module that are connected respectively with single-chip microcomputer.
The utility model adopts above technical scheme compared with prior art, has following technique effect:
(1) the utility model compares the temp measuring system based on the motor car engine of conventional contact thermometry, decreases the heat exchanging process between Heat Conduction Material and contact type temperature sensor, substantially reduces the thermometric time;
(2) the utility model overcomes temp measuring system based on the motor car engine of conventional contactless infrared temperature-test technology to the limitation of engine surface emissivity, substantially increases universality;
(3) temperature-measuring range of the present utility model is at least between-40 degrees Celsius to 100 degrees Celsius, relevant to infrared sensor performance, measuring accuracy can reach 0.1 degree Celsius, in whole measure scope, measuring error is within ± 0.5 degree Celsius, and under sensor temperature and testee temperature difference 10 degrees Celsius of situations, measure and can reach in error allowed band at about 10s.
Accompanying drawing explanation
Fig. 1 is conventional contact thermometric schematic diagram.
Fig. 2 is Non-contact Infrared Temperature Measurement schematic diagram.
Fig. 3 is a kind of embodiment schematic diagram of the present utility model.
Fig. 4 is the structural representation of contact heat conducting module.
Reference numeral in figure is interpreted as: 1-chromium coating, 2-Copper Foil, 3-graphene film.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail:
The contact infrared temperature-test technology that native system uses is combined with infrared temperature-test technology at contact temperature-measuring technology, use the material of high-termal conductivity and tested motor car engine surface contact, carry out heat interchange and reach equalized temperature, now Heat Conduction Material temperature is consistent with motor car engine surface temperature, Heat Conduction Material is received by infrared sensor after optical filter filtering to extraradial electromagnetic infrared wave, by infrared sensor the numeral corresponding with tested car engine temperature information to be exported or imitated output quantity extracts, data analysis and process is carried out through single-chip microcomputer, and by display module, tested engine temperature is shown to user.This contact infrared temperature-test technology, compared with traditional contact temperature-measuring, remain the link of heat interchange to equalized temperature of tested motor car engine and Heat Conduction Material, decrease heat interchange link between Heat Conduction Material and temperature sensor, therefore greatly save the thermometric time; Compared with Non-contact Infrared Temperature Measurement in the market, because temperature measurement accuracy is relevant to tested motor car engine slin emissivity, only need accurately to measure Heat Conduction Material slin emissivity, the temperature so detecting the Heat Conduction Material identical with tested engine temperature just can obtain the temperature of tested motor car engine, solve each position of variety classes motor car engine like this there is different emissivity and cause utilizing infrared sensor accurately to measure the limitation of the temperature of each position of variety classes engine, considerably increase universality.Comprehensively above-mentioned two broad aspect, the quick temperature measurement system of the motor car engine based on contact infrared temperature-test technology of our design, temperature-measuring range is identical with infrared sensor under Heat Conduction Material steady state (SS), temperature measurement accuracy and error are identical with selecting infrared sensor, but can revise emissivity and measure the temperature at various material engine diverse location place; Compare and contact, substantially reduce the thermometric time.
If Fig. 3 is a kind of embodiment schematic diagram of the present utility model, based on the quick temperature measurement system of the motor car engine of contact infrared temperature-test technology, comprise contact heat conducting module, infrared detection module, processing module; Wherein, described infrared detection module comprises infrared sensor, optical filter for block visible light and near infrared radiation; Contact heat conducting module is arranged on the surface of motor car engine, optical filter is arranged between contact heat conducting module and infrared sensor, and the distance of optical filter and contact heat conducting module is greater than the distance of optical filter and infrared sensor, infrared sensor is connected with processing module.Processing module calculates testee temperature in order to the radiometer received by infrared sensor, and described processing module comprises the signal processor, AD conversion unit and the single-chip microcomputer that connect successively, the display module be connected respectively with single-chip microcomputer and keyboard input module.Also can be provided with noise reduction unit between described signal processor and AD conversion unit, signal processor, noise reduction unit, AD conversion unit connect successively.Optical filter is placed near infrared sensor end between contact heat conducting module and infrared sensor, in order to environment and daylight immunity.Infrared sensor built-in infrared induction heat pile detector chip and signal transacting special chip.
Fig. 4 is the structural representation of contact heat conducting module, and described contact heat conducting module comprises chromium coating 1, Copper Foil 2 and graphene film 3, and wherein, chromium coating is arranged on the surface of motor car engine, and Copper Foil is arranged on chromium coating, and graphene film is arranged on Copper Foil.The coefficient of heat conductivity of described Copper Foil is greater than 350W/mK, and the thickness of chromium coating is less than 0.2mm, and the thickness of Copper Foil is less than 0.5mm, and the thickness of graphene film is less than 50 μm.
Graphenic surface has unified and higher emissivity, and for infrared sensor, high emissivity improves accuracy of measurement, and unified emissivity means that not needing to change any parameter can carry out thermometric to variety classes engine, increases universality.Copper Foil has high thermal conductivity coefficient, and the copper foil surface contacted with motor car engine plates the thin chromium of one deck, to improve wearing quality, increases serviceable life; Opposite side laminating graphene film or coating, increase heat conductivility on the one hand, temperature Quick uniform can be made to be distributed in graphene layer, on the other hand, graphenic surface has unified and higher emissivity, and for infrared sensor, high emissivity improves accuracy of measurement, unified emissivity means that not needing to change any parameter can carry out thermometric to variety classes engine, increases universality.
The utility model remains Heat Conduction Material and the concurrent heat-dissipating of tested motor car engine surface contact in conventional contact thermometric and exchanges to the structure of equalized temperature, decreases the heat interchange link of temperature sensor and Heat Conduction Material, greatly saves the thermometric time.By infrared sensor detection Heat Conduction Material temperature, solve the problem that the slow and infrared sensor of contact temperature-measuring speed is fettered by tested motor car engine emissivity simultaneously.Therefore need not know the emissivity of tested motor car engine, the temperature of each surface of position of variety classes motor car engine can be measured, considerably increase universality.
When using the quick temperature measurement system based on the motor car engine of contact infrared temperature-test technology, first contact heat conducting module is close to motor car engine surface, when Heat Conduction Material and motor car engine reach thermal equilibrium, inner side grapheme material temperature and car engine temperature basically identical, by optical filter by after the light wave filtering in environment and daylight, infrared detection module detects graphene film or coating temperature, again temperature information is passed to single-chip microcomputer by information processing, Single-chip Controlling display module display testee temperature.Simultaneously according to user's difference in functionality demand, by external input device, the function such as switching on and shutting down, backlight switch is passed to single-chip microcomputer, by this type of functional requirement of single-chip microcomputer process.
The course of work of the system that the utility model provides is as follows:
A, utilize contact heat conducting module by High-performance heat conduction material and motor car engine surface contact carries out heat interchange until thermal equilibrium;
B, described infrared detection module, by receiving Heat Conduction Material radiation with infrared sensor after optical filter filtering visible ray and near infrared radiation;
C, utilize processing module to be received by infrared sensor radiation successively by signal processor, noise reduction unit, AD conversion unit and single-chip microcomputer, then calculate tested car engine temperature.
D, described display module control display screen by with going of being connected with the button of thermometric correlation function, and then measurement result are showed user.
Therefore whole process contrast is based on the temp measuring system of the motor car engine of conventional contact thermometry, decreases the heat exchanging process between Heat Conduction Material and contact type temperature sensor, substantially reduces the thermometric time; Overcome temp measuring system based on the motor car engine of conventional contactless infrared temperature-test technology to the limitation of engine surface emissivity, substantially increase universality.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to connotation of the present utility model the apparent change of extending out or variation still belong to protection domain of the present utility model.
Claims (5)
1. based on the quick temperature measurement system of the motor car engine of contact infrared temperature-test technology, it is characterized in that, comprise contact heat conducting module, infrared detection module, processing module; Wherein, described infrared detection module comprises infrared sensor, optical filter for block visible light and near infrared radiation; Contact heat conducting module is arranged on the surface of motor car engine, optical filter is arranged between contact heat conducting module and infrared sensor, and the distance of optical filter and contact heat conducting module is greater than the distance of optical filter and infrared sensor, infrared sensor is connected with processing module.
2. the quick temperature measurement system of the motor car engine based on contact infrared temperature-test technology according to claim 1, it is characterized in that, described contact heat conducting module comprises chromium coating, Copper Foil and graphene film, wherein, chromium coating is arranged on the surface of motor car engine, Copper Foil is arranged on chromium coating, and graphene film is arranged on Copper Foil.
3. the quick temperature measurement system of the motor car engine based on contact infrared temperature-test technology according to claim 2, it is characterized in that, the coefficient of heat conductivity of described Copper Foil is greater than 350W/mK, the thickness of chromium coating is less than 0.2mm, the thickness of Copper Foil is less than 0.5mm, and the thickness of graphene film is less than 50 μm.
4. the quick temperature measurement system of the motor car engine based on contact infrared temperature-test technology according to claim 1, is characterized in that, described processing module comprises the signal processor, noise reduction unit, AD conversion unit and the single-chip microcomputer that connect successively.
5. the quick temperature measurement system of the motor car engine based on contact infrared temperature-test technology according to claim 4, is characterized in that, also comprises the display module and keyboard input module that are connected respectively with single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786243.2U CN205027449U (en) | 2015-10-12 | 2015-10-12 | Automobile engine's quick temperature measurement system based on contact infrared temperature -test technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786243.2U CN205027449U (en) | 2015-10-12 | 2015-10-12 | Automobile engine's quick temperature measurement system based on contact infrared temperature -test technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205027449U true CN205027449U (en) | 2016-02-10 |
Family
ID=55259972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520786243.2U Expired - Fee Related CN205027449U (en) | 2015-10-12 | 2015-10-12 | Automobile engine's quick temperature measurement system based on contact infrared temperature -test technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205027449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683402A (en) * | 2020-12-16 | 2021-04-20 | 哈尔滨工业大学 | Human body temperature measuring system based on graphene patch |
-
2015
- 2015-10-12 CN CN201520786243.2U patent/CN205027449U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683402A (en) * | 2020-12-16 | 2021-04-20 | 哈尔滨工业大学 | Human body temperature measuring system based on graphene patch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203745084U (en) | Infrared temperature-measuring apparatus | |
| US10809132B2 (en) | Infrared sensor for measuring ambient air temperature | |
| CN107817054B (en) | Temperature measurement method of infrared imager for parts in vacuum cavity | |
| CN103713342B (en) | The infrared imaging optical filter that the physical environment being 11500-12500nm by band is generally investigated | |
| CN205027449U (en) | Automobile engine's quick temperature measurement system based on contact infrared temperature -test technology | |
| CN202814557U (en) | Device for real-time measurement of temperature and spectral emissivity of nontransparent object | |
| CN203551816U (en) | Infrared imaging optical filter with passband 2000-2400nm | |
| CN202836767U (en) | Infrared temperature monitoring and warning device of electric power system | |
| CN105675147A (en) | Non-contact temperature detection device and method | |
| CN203551819U (en) | Infrared temperature measurement optical filter with passband of 7550-13900nm | |
| CN106679818B (en) | Device and method for measuring temperature distribution of smooth surface | |
| CN105758540B (en) | A kind of temperature-detecting device and detection method | |
| CN205426344U (en) | Non -contact temperature detect device | |
| CN105784166A (en) | Temperature tester based on thermocouple | |
| CN103698831B (en) | By the infrared measurement of temperature optical filter that band is 7600-9900nm | |
| CN103713343B (en) | The infrared imaging optical filter that the physical environment being 10300-11300nm by band is generally investigated | |
| CN203572993U (en) | Infrared imaging optical filter with passband in range of 10300 to 11300 nm and used for general surveying natural environment | |
| CN204374464U (en) | By the infrared filtering sensitive element that band is 3000-3500nm | |
| Assaad et al. | Thin-film heat flux sensor for measuring the film coefficient of rubber components of a rolling tire | |
| CN105115618A (en) | Wireless temperature sensor apparatus for vacuum temperature measurement | |
| CN110641447A (en) | Brake disc temperature detection device and detection method thereof | |
| CN105487154A (en) | Infrared imaging optical filter with a passing band of 3600 to 4950nm | |
| JP2015135316A (en) | temperature measuring device | |
| CN205642658U (en) | Temperature detection device | |
| CN206063288U (en) | A kind of temperature shows defervescence plaster used |
Legal Events
| 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: 20160210 Termination date: 20161012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |