CN105928977A - Method and apparatus for testing heat insulation effect of heat insulation part - Google Patents
Method and apparatus for testing heat insulation effect of heat insulation part Download PDFInfo
- Publication number
- CN105928977A CN105928977A CN201610552040.6A CN201610552040A CN105928977A CN 105928977 A CN105928977 A CN 105928977A CN 201610552040 A CN201610552040 A CN 201610552040A CN 105928977 A CN105928977 A CN 105928977A
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- China
- Prior art keywords
- heat insulation
- gas
- temperature
- extraction system
- insulation part
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
Abstract
The invention discloses a method and an apparatus for testing the heat insulation effect of a heat insulation part. In a test system, a hot air blower, a specially produced heating furnace and an air discharge system are sequentially connected, the front end of the air discharge system is provided with a blower in order to control the flow speed of air surrounding the air discharge system, a temperature acquisition device thermocouple pair is respectively connected with the surface of the air discharge system and the external surface of an automobile chassis, and the power sizes of the hot air blower, the specially produced heating furnace and the blower are adjusted to research the heat insulation effect of the heat insulation part of the automobile under different conditions in order to characterize the heat insulation effect of the heat insulation part. The method and the apparatus disclosed in the invention fill in the banks of present test methods and apparatuses thereof, and improve the comprehensive comfort level of driving personnel.
Description
Technical field
The present invention relates to automobile, material forming techniques and heat-insulation temperature-measuring field, particularly relate to a kind of test every
The method and device of hot part effect of heat insulation.
Background technology
With development and the progress of automotive engineering, and the continuous lifting that people are to riding experience comfort level, one
Have on a little automobile chassises and heat insulation be gradually developed use with Noise Reduction part, but Patents mostly is
The material of heat insulation part selects, heat insulation design of part and heat insulation part forming process, seldom relates to having
The method of testing of the heat insulation part effect of heat insulation of higher measuring accuracy and device.This heat insulation part effect of heat insulation is surveyed
Method for testing and device, it is possible to measure accurately to be analyzed by the temperature of protection part, beneficially research staff and prepare
The part that effect of heat insulation is optimum, reduces greatly by the temperature of protection part, reduces and drive indoor temperature and make an uproar
Sound, promotes the comfort level of driver and crew.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is provided that a kind of method testing heat insulation part effect of heat insulation and dress
Put, make up the blank of existing method of testing and device, promote the comprehensive comfort level of driver and crew.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
A kind of test heat insulation part effect of heat insulation device, including: gas extraction system, gas extraction system fixed rack,
Special heating furnace, hot-air blower, aerator, temperature collecting device and PC terminal, wherein:
Hot-air blower: gas heats and provides certain flow velocity, and heating-up temperature and gas flow rate can be according to vapour
Car motion conditions under different operating modes is adjusted；
Aerator: provide air-flow for hot-air blower；
Special heating furnace: heating is from hot-air blower effluent air further, increases gas temperature span of control,
The motion conditions under the conditions of extreme operating condition can be in simulated automotive, increase the test device scope of application；
Gas extraction system: heated gas flows in gas extraction system all parts, eventually through tailpipe
Discharge；
Gas extraction system fixed rack: for fixing the fixing of exhaust system device and thermal insulation barriers；
Temperature collecting device: be used for measuring measured piece surface temperature；
PC terminal: can be used for recording, showing the data collected, the data collected are carried out calculation process.
Further, the special heating furnace gas to flowing through carries out post bake, and gas temperature is heated to institute
Need numerical value, increase span of control and the control accuracy of temperature.
Further, being provided with thermocouple in temperature collecting device, thermocouple is to being arranged on table in gas extraction system
Face and automobile chassis outer surface, gather both Temperature numerical and be transferred to PC terminal.
A kind of method testing heat insulation part effect of heat insulation, comprises the following steps:
S1, user setup hot-air blower watt level, determine initial temperature and the flow parameters of gas；
S2, adjusts special heating furnace power and the gas flowing through heating furnace carries out post bake to temperature required value,
Heated gas sequentially passes through gas extraction system；
S3, installs a heat insulation part in the middle of gas extraction system with automobile chassis；
S4, thermocouple to be separately mounted on gas extraction system upper surface with its directly over automobile chassis surface on,
The data message collected, by line transmission to PC terminal, completes storage and the process work of data, finally
Demonstrate the effect of heat insulation of heat insulation part.
The invention has the beneficial effects as follows:
1, the present invention can test and be protected surface temperature and the temperature of gas extraction system upper surface thermal source of part
Degree, calculates the heat-insulating efficiency value of heat insulation part, the quantitative effect of heat insulation understanding heat insulation part.
2, the power of hot-air blower and heating furnace can regulate the temperature controlling to add hot gas, can be in a static condition
When test automobile runs under different working conditions, the effect of heat insulation of heat insulation part, analyzes the heat insulation of heat insulation part
Efficiency is with the situation of change of different loading conditions.The most multiple thermocouples are to being respectively provided with measurement gas extraction system table
The temperature in face and the surface temperature value by protection part, be beneficial to adiabatic temperature difference and the calculating of heat-insulating efficiency the most below.
3, thermocouple sensor used by temperature collecting device has higher temperature measurement accuracy, and test temperature error is steady
It is scheduled in one of percentage, it is possible to meeting industrial undertaking and use requirement, data storage processing terminal can be right simultaneously
Collecting data and be analyzed computing, the temperature difference and the heat insulation part that directly display out different thermocouple pair are comprehensive
Heat-insulating efficiency value.
4, one aerator is set in gas extraction system front end, controls exhaust system by the size of regulation blower power
The flowing velocity of system extraneous air, when can indirectly test running car, extraneous air is to its cooling-down effect.
5, used test apparatus structure is simple, and cost of equipment is low.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is embodiment of the present invention flow chart.
Fig. 2 is exhaust system structure figure.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be wanted by right
The multitude of different ways limited and cover is asked to implement.
As it can be seen, the present invention discloses a kind of method and device testing heat insulation part effect of heat insulation, first,
User arranges hot-air blower watt level by device end, determines initial temperature and the flow parameters of gas, connects
Adjustment heating furnace power and the gas flowing through heating furnace is carried out post bake to temperature required value, heated
Gas sequentially passes through exhaust manifold 1, catalyst 2, secondary deafener 3, central canal 4, main deafener 5
With tailpipe 6.Owing to gas temperature is the highest and gas directly contacts with gas extraction system, partial heat can pass through
Exhaust system structure is passed in the effect of conduction of heat and thermal convection current, and accumulation over time, in exhaust system surfaces
Temperature gradually rise, due to the restriction in terms of the space structure of chassis, heat insulation part distance automobile chassis and row
Gas system is the most close, about 5mm～10mm, and the heat in such gas extraction system can pass through heat radiation and thermal convection current
Effect pass to be arranged on the automobile chassis structures directly over it, make the temperature on automobile chassis raise, enter
And the temperature in driver's cabin can be improved, drive comfort level and reduce.Install in the middle of gas extraction system with automobile chassis
One heat insulation part, notable can must reduce the heat that gas extraction system passes on automobile chassis, the most heat insulation part pair
Noise in gas extraction system has reflection, eventually reduces the temperature in driver's cabin and noise.Secondly,
Thermocouple in temperature acquisition system module to be separately mounted on gas extraction system upper surface with its directly over automobile
On the surface on chassis, the data message collected by line transmission to PC terminal, complete data storage and
Process work, finally demonstrate the effect of heat insulation of heat insulation part.
Invention described above embodiment, is not intended that limiting the scope of the present invention, any
Amendment, equivalent and the improvement etc. made within the spirit and principles in the present invention, should be included in this
Within bright claims.
Claims (4)
1. test heat insulation part effect of heat insulation device for one kind, it is characterised in that including: gas extraction system, row
Gas system fixed rack, special heating furnace, hot-air blower, aerator, temperature collecting device and PC terminal,
Wherein:
Hot-air blower: gas heats and provides certain flow velocity, and heating-up temperature and gas flow rate can be according to vapour
Car motion conditions under different operating modes is adjusted；
Aerator: provide air-flow for hot-air blower；
Special heating furnace: heating is from hot-air blower effluent air further, increases gas temperature span of control,
The motion conditions under the conditions of extreme operating condition can be in simulated automotive, increase the test device scope of application；
Gas extraction system: heated gas flows in gas extraction system all parts, eventually through tailpipe
Discharge；
Gas extraction system fixed rack: for fixing the fixing of exhaust system device and thermal insulation barriers；
Temperature collecting device: be used for measuring measured piece surface temperature；
PC terminal: can be used for recording, showing the data collected, the data collected are carried out at computing
Reason.
The heat insulation part effect of heat insulation device of a kind of test, it is characterised in that special
The heating furnace processed gas to flowing through carries out post bake, and gas temperature is heated to required numerical value, increases temperature
Span of control and control accuracy.
The heat insulation part effect of heat insulation device of a kind of test, it is characterised in that temperature
Being provided with thermocouple in degree harvester, thermocouple is to being arranged on gas extraction system upper surface and automobile chassis appearance
Face, gathers both Temperature numerical and is transferred to PC terminal.
4. the method testing heat insulation part effect of heat insulation, it is characterised in that comprise the following steps:
S1, user setup hot-air blower watt level, determine initial temperature and the flow parameters of gas；
S2, adjusts special heating furnace power and the gas flowing through heating furnace carries out post bake to temperature required value,
Heated gas sequentially passes through gas extraction system；
S3, installs a heat insulation part in the middle of gas extraction system with automobile chassis；
S4, thermocouple to be separately mounted on gas extraction system upper surface with its directly over automobile chassis surface on,
The data message collected, by line transmission to PC terminal, completes storage and the process work of data, finally
Demonstrate the effect of heat insulation of heat insulation part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552040.6A CN105928977A (en) | 2016-07-13 | 2016-07-13 | Method and apparatus for testing heat insulation effect of heat insulation part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552040.6A CN105928977A (en) | 2016-07-13 | 2016-07-13 | Method and apparatus for testing heat insulation effect of heat insulation part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105928977A true CN105928977A (en) | 2016-09-07 |
Family
ID=56827955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610552040.6A Pending CN105928977A (en) | 2016-07-13 | 2016-07-13 | Method and apparatus for testing heat insulation effect of heat insulation part |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238628A (en) * | 2017-06-26 | 2017-10-10 | 北京汽车研究总院有限公司 | A kind of Heat-Insulation Test equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201368858Y (en) * | 2009-01-23 | 2009-12-23 | 奇瑞汽车股份有限公司 | Heat insulating property testing table of automobile heat insulating board |
| CN102253076A (en) * | 2011-04-17 | 2011-11-23 | 东南大学 | Apparatus and method for testing thermal insulated and flame retardant material |
| CN102778030A (en) * | 2012-07-05 | 2012-11-14 | 上海大学 | Energy-saving air heater |
| CN103115939A (en) * | 2013-01-18 | 2013-05-22 | 杭州电子科技大学 | Simple testing device for heat transfer process between hard material and fluid |
| CN203416794U (en) * | 2013-07-17 | 2014-02-05 | 兴化市东奥食品有限公司 | Drying oven for dehydrated vegetable processing |
| CN203551490U (en) * | 2013-10-16 | 2014-04-16 | 霍山汇能汽车零部件制造有限公司 | System for detecting heat insulating effect performance of automobile insulating member |
| CN104568464A (en) * | 2014-12-29 | 2015-04-29 | 广电计量检测（天津）有限公司 | Thermal radiation test bench for engine armor and controlling method thereof |
| CN104849306A (en) * | 2014-12-19 | 2015-08-19 | 北汽福田汽车股份有限公司 | Method for evaluating heat insulation performance of vehicle exhaust pipe heat insulating layer |
| CN204630957U (en) * | 2015-03-30 | 2015-09-09 | 广德天运新技术股份有限公司 | A kind of car heat insulating pad heat-insulating efficiency pick-up unit |
| CN105717155A (en) * | 2014-12-03 | 2016-06-29 | 中国航空工业集团公司航空动力控制系统研究所 | Thermal insulation material test device |
-
2016
- 2016-07-13 CN CN201610552040.6A patent/CN105928977A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201368858Y (en) * | 2009-01-23 | 2009-12-23 | 奇瑞汽车股份有限公司 | Heat insulating property testing table of automobile heat insulating board |
| CN102253076A (en) * | 2011-04-17 | 2011-11-23 | 东南大学 | Apparatus and method for testing thermal insulated and flame retardant material |
| CN102778030A (en) * | 2012-07-05 | 2012-11-14 | 上海大学 | Energy-saving air heater |
| CN103115939A (en) * | 2013-01-18 | 2013-05-22 | 杭州电子科技大学 | Simple testing device for heat transfer process between hard material and fluid |
| CN203416794U (en) * | 2013-07-17 | 2014-02-05 | 兴化市东奥食品有限公司 | Drying oven for dehydrated vegetable processing |
| CN203551490U (en) * | 2013-10-16 | 2014-04-16 | 霍山汇能汽车零部件制造有限公司 | System for detecting heat insulating effect performance of automobile insulating member |
| CN105717155A (en) * | 2014-12-03 | 2016-06-29 | 中国航空工业集团公司航空动力控制系统研究所 | Thermal insulation material test device |
| CN104849306A (en) * | 2014-12-19 | 2015-08-19 | 北汽福田汽车股份有限公司 | Method for evaluating heat insulation performance of vehicle exhaust pipe heat insulating layer |
| CN104568464A (en) * | 2014-12-29 | 2015-04-29 | 广电计量检测（天津）有限公司 | Thermal radiation test bench for engine armor and controlling method thereof |
| CN204630957U (en) * | 2015-03-30 | 2015-09-09 | 广德天运新技术股份有限公司 | A kind of car heat insulating pad heat-insulating efficiency pick-up unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238628A (en) * | 2017-06-26 | 2017-10-10 | 北京汽车研究总院有限公司 | A kind of Heat-Insulation Test equipment |
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Application publication date: 20160907 |