CN205941420U - Membrane material thermal contraction capability test device - Google Patents
Membrane material thermal contraction capability test device Download PDFInfo
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- CN205941420U CN205941420U CN201620986977.XU CN201620986977U CN205941420U CN 205941420 U CN205941420 U CN 205941420U CN 201620986977 U CN201620986977 U CN 201620986977U CN 205941420 U CN205941420 U CN 205941420U
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- heat
- membrane material
- thermal contraction
- test device
- conducting plate
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Abstract
The utility model relates to a membrane material thermal contraction capability test device, the device include the heat -conduction system, the heat -conduction system includes the heat -conducting plate, the upper surface of heat -conducting plate is used for placing the membrane material that awaits measuring, and the inside or the lower surface of heat -conducting plate are equipped with the heat conduction passageway that supplies heat -conducting medium to flow. The utility model discloses a membrane material thermal contraction capability test device adopts the heat -conducting plate to separate the heat conduction passageway and the membrane material that awaits measuring, heat -conducting medium not with the membrane material direct contact that awaits measuring, avoided the hot -blast fold that causes agitating of membrane material, the membrane material receives the size uniformity of thermal contraction good, and it is more accurate to calculate film heat shrinkage, the thermal contraction circumstances of reflection film that can be better, be applicable to film thermal contraction performance and broken film temperature detection.
Description
Technical field
This utility model belongs to membrane material quality detection device technical field and in particular to a kind of membrane material thermal contraction performance
Test device.
Background technology
The shrinkage factor of thin film is defined as the rate of change of thin film film dimensions under the conditions of uniform temperature and in the time, calculates public
Formula is：
In formula, T is film shrink rate, %；L1For length before heating, mm；L2For length after heating, mm.
At present, many percent thermal shrinkage and the broken film temperature tests carrying out thin film using baking oven of film industry.As China's standard pair
The regulation of bidirectional stretching polypropylene film (BOPP) percent thermal shrinkage method of testing is：Take the thin film of specific length and width, make
Then sample is placed on the corrosion resistant plate of blowing-type constant temperature oven by sample, and corrosion resistant plate is located in the middle part of constant temperature oven, heating temperature
Spend for 120 DEG C, after 5min, take out sample, be cooled to test ambient temperature, measure specimen size, calculate thin film according to formula (1)
Percent thermal shrinkage.
Following drawback is had using baking oven for heating：
First, existing baking oven is to be heated by hot blast, and during films test, the hot blast persistently blowing can be agitated
Thin film, causes thin film fold to increase, and change in size can not reflect the thermal contraction situation of thin film strictly according to the facts；
2nd, during films test, general baking oven does not have observation window or observation window in side it is impossible to Real Time Observation is thin
Film thermal contraction situation, the monitoring to its process of the test is also inconvenient；
3rd, in baking oven temperature-rise period, the temperature homogeneity of hot blast is bad with controllability, causes film heating uneven,
The concordance of film dimensions change is poor, affects later stage dimensional measurement and calculating, nor the thermal contraction feelings reflecting thin film strictly according to the facts
Condition.
Content of the invention
The purpose of this utility model is to provide a kind of membrane material thermal contraction performance test device, solves existing baking oven using heat
The hot blast that wind heating exists agitates thin film to cause thin film fold to increase, and heats uneven problem.
In order to realize object above, this utility model be employed technical scheme comprise that：
A kind of membrane material thermal contraction performance test device, including conduction-convection problem, described conduction-convection problem includes heat-conducting plate,
The upper surface of described heat-conducting plate is used for placing membrane material to be measured, and the inside of heat-conducting plate or lower surface are provided with for heat transfer medium flows
Passage of heat.
Membrane material thermal contraction performance test device of the present utility model, by being arranged on the heat conduction of heat-conducting plate inside or below
Passage heats to membrane material to be measured, is separated passage of heat with membrane material to be measured using heat-conducting plate, heat-conducting medium not with
Membrane material directly contact to be measured, it is to avoid hot blast agitates, to membrane material, the fold causing；Membrane material is heated evenly, thermal contraction
Dimensional uniformity is good, and calculating film shrink rate is more accurate, can preferably reflect the thermal contraction situation of thin film.This membrane material heat is received
Contracting performance testing device is applied to film shrink performance and broken film temperature detection.
General, described heat-conducting plate is welded using rustless steel panel beating, and internal setting passage of heat is it is ensured that temperature is consistent
Property.In addition to heat-conducting plate upper surface, other several times are respectively provided with rock wool heat-preservation shell, reduce thermal losses.
The inside of heat-conducting plate or lower surface are provided with least two independent confession heat transfer medium flows in the horizontal direction side by side
Passage of heat, in adjacent passage of heat, the flow direction of heat-conducting medium is reversed.
Membrane material thermal contraction performance test device of the present utility model, the flowing side of the heat-conducting medium in adjacent passage of heat
To contrary, reduce the impact to temperature of the heat loss of the flowing of conductive process medium and heat transfer it is ensured that the uniformity of temperature,
Heat-conducting plate is heated evenly, so that membrane material to be measured is uniformly heated, it is to avoid the uneven situation of heating that traditional Hot-blast Heating exists.
Described passage of heat is two side by side, is in continuous " Z " font or " V " word in the inside of heat-conducting plate or lower surface
Type close-packed arrays.Passage of heat close-packed arrays side by side, meet the flow direction of heat-conducting medium in adjacent passage of heat on the contrary.
The upper surface of described heat-conducting plate is provided with the grid scale for measuring membrane material size.Can be real by this grid scale
When observe and measure the thermal contraction situation of membrane material.
Described heat-conducting medium is conduction oil.Described passage of heat is stainless steel tube.
Described membrane material thermal contraction performance test device, also includes heat circulating system, described heat circulating system includes oil
Pump and the electrical heating fuel tank for heating conduction oil, the import of described oil pump is connected with the outlet of electrical heating fuel tank, oil pump
Outlet is respectively connected with the import of at least two passages of heat, and the outlet of passage of heat is connected with the import of electrical heating fuel tank
Connect.
Described heat circulating system also includes for the high-order oil feeding reservoir to electrical heating fuel tank repairing, described high position oil feeding reservoir
Outlet is connected with the import of electrical heating fuel tank.
In membrane material thermal contraction performance test device of the present utility model, oil pump provides power for heat circulating system；Electricity adds
Deep fat case is provided with electrical heating elements, and conduction oil is heated；High-order oil feeding reservoir passes through alternate position spike to electrical heating fuel tank repairing.
Described conduction-convection problem includes, with described heat-conducting plate as base plate, enclosing the box body setting formation, heat conduction with side wall and cover plate
The upper surface of plate is located in box body.
Described box body is provided with the temperature measure and control device for measuring and controlling heat conduction plate temperature.Temperature survey and
Control device includes temperature and sets and feedback regulation link, can adopt PLC visual programming controller or the list with numerical monitor
Piece temperature controller is as control core element.
Described cover plate is transparent explosion-proof glass plate.The high temperature resistant explosion-proof glass plate of preferably clear is cover plate, convenient sight in real time
Examine the thermal contraction situation of membrane material, thin film situation is carried out with real time record and analysis, the burst change especially in test process.
Side wall preferably polytetrafluoroethylene material between cover plate and heat-conducting plate, plays sealing heat-blocking action.The height of this side wall
Typically small, prevent excessive heat consumption；Highly meet the sufficient space reserving in box body for membrane material thermal deformation.
Described cover plate outer surface is provided with photograph or camera head for recording film materials hot deformation.
Described cover plate outer surface is additionally provided with survey tool, such as slide gauge or film chi, and film dimensions are accurately surveyed
Amount.Measured in real time in test simultaneously, can real time reaction result of the test.
Brief description
Fig. 1 is the structural representation of the membrane material thermal contraction performance test device of embodiment 1；
Fig. 2 is the structural representation of the heat-conducting plate of membrane material thermal contraction performance test device of embodiment 1.
Specific embodiment
With reference to specific embodiment, this utility model is further described.
Embodiment 1
The membrane material thermal contraction performance test device of the present embodiment, as shown in figure 1, include conduction-convection problem and thermal cycle system
System；
Described conduction-convection problem is included with heat-conducting plate 17 as base plate, encloses the box body setting formation, heat conduction with side wall and cover plate 10
The upper surface of plate 17 is located in box body, for placing membrane material to be measured；The upper surface of heat-conducting plate 17 is carved with for measuring membrane material
The standard grid scale 18 (as shown in Figure 2) being spaced 5mm in length and breadth of material size；Wherein, heat-conducting plate 17 adopts rustless steel panel beating to weld
Connect and form, in addition to upper surface, other several times are respectively provided with rock wool heat-preservation shell, reduce thermal losses；Described cover plate 10 is using thoroughly
Bright high temperature resistant explosion-proof glass plate, facilitates Real Time Observation membrane material thermal contraction situation, measures in real time.
The heat conduction that the inside of described heat-conducting plate 17 is provided with two independent confession conduction oil flowings in the horizontal direction side by side is led to
Road, the respectively first passage of heat 11 and the second passage of heat 12, described first passage of heat 11 and the second passage of heat 12 phase
Neighbour is against setting, and comes the inside of heat-conducting plate 17 in continuous " V " font close-packed arrays, and the first passage of heat 11 and second is led
In the passage of heat 12, the flow direction of conduction oil is contrary；Wherein, described passage of heat is stainless steel tube.
Current Temperatures and mode indicator 8, setup parameter display are additionally provided with the box body of described conduction-convection problem
And set button 9, for being monitored to the temperature of heat-conducting plate 17 and working condition and controlling.Heating control system includes temperature
Test, test feedback, feedback regulation device, using Single-chip Controlling, and configure tantalum resistance PT100, temperature are accurately surveyed
Amount, carries out real-time control by increment mode of heating to heat source temperature.
Described heat circulating system includes oil pump 3, for heating the electrical heating fuel tank 5 of conduction oil and being used for electrical heating fuel tank
The high-order oil feeding reservoir 6 of 5 repairings, the import of described oil pump 3 is connected with the outlet of electrical heating fuel tank 5, and the outlet of oil pump 3 is passed through to supply
Oil-piping 2 is connected with the confession oil inlet 16 of the first passage of heat 11, the confession oil inlet 14 of the second passage of heat 12 respectively, and first
Return line 4 and electrical heating fuel tank 5 are passed through in the oil return outlet 15 that the oil return of passage of heat 11 exports the 13, second passage of heat 12
Import is connected, so that the flow direction of conduction oil is contrary in the first adjacent passage of heat 11 and the second passage of heat 12；
Wherein, described electrical heating fuel tank 5 is provided with electrical heating elements, for heating conduction oil；
The outlet of described high position oil feeding reservoir 6 is connected with the import of electrical heating fuel tank 5, for relying on difference in height to be electrical heating
Fuel tank 5 repairing；Oil filler 1 is additionally provided with the box body of described conduction-convection problem, described oil filler 1 passes through in-line 7 and a high position
The import of oil feeding reservoir 5 is connected, for supplementing conduction oil into heat circulating system.
The outer surface of described cover plate 10 is provided with photograph or camera head for recording film materials hot deformation.
Membrane material thermal contraction performance test device using the present embodiment carries out thermal contraction test, and concrete operation step is such as
Under：
1) electrical heating elements and the oil pump 3 of electrical heating fuel tank 5 are opened, by the setup parameter display on box body and setting
Button 9 sets initial temperature and programming rate, by conduction oil, heat-conducting plate 17 is heated；
2) when the temperature of heat-conducting plate 17 reaches initial temperature, the upper surface that thin film to be measured is placed on heat-conducting plate 17 is provided with
The position of grid scale 18, covers cover plate 10；Thin film current size is measured by grid scale 18 and records；
3) continuous heating heat-conducting plate 17, measures film dimensions and records, enter holding stage, adopt after reaching requirement temperature
Photographing unit or camera record process of the test, after the time reaches setting time, measurement film dimensions simultaneously record；
4) different temperatures, the different temperature retention time repeat step 3 according to test requirements document) terminate to test, calculate thermal contraction
Rate.
Membrane material thermal contraction performance test device using the present embodiment carries out broken film temperature test, and concrete operation step is such as
Under：
1) electrical heating elements and the oil pump 3 of electrical heating fuel tank 5 are opened, by the setup parameter display on box body and setting
Button 9 sets initial temperature and programming rate, by conduction oil, heat-conducting plate 17 is heated；
2) when the temperature of heat-conducting plate 17 reaches initial temperature, thin film to be measured is placed on the upper surface of heat-conducting plate 17, lid
Upper cover plate 10；Thin film current size is measured by grid scale 18 and records；
3) design temperature speed and target temperature, continuous heating heat-conducting plate 17, until there is obvious profile variation, shape in thin film
Current Temperatures are recorded, this temperature is the broken film temperature of tested thin film during state change；
Or, design temperature speed and target temperature, continuous heating heat-conducting plate 17, using photographing unit or camera record examination
Test process, viewing film situation of change record broken film temperature from record image.
The membrane material thermal contraction performance test device of the present embodiment, the flow direction of the heat-conducting medium in adjacent passage of heat
On the contrary, the impact to temperature for the heat loss of the flowing of reduction conductive process medium and heat transfer, it is ensured that the uniformity of temperature, keeps away
Exempt from the uneven situation of the heating of traditional Hot-blast Heating presence；Heat-conducting medium not with membrane material directly contact to be measured, it is to avoid
Hot blast agitates, to membrane material, the fold causing；Membrane material is heated evenly, and the dimensional uniformity of thermal contraction is good, calculates thin film heat and receives
Shrinkage is more accurate, can preferably reflect the thermal contraction situation of thin film；It is easy to Real Time Observation and measurement, be especially easy for monitoring test
During burst change, in real time reflection result of the test is it is adaptable to film shrink performance and broken film temperature detection.
In other embodiment of the present utility model, as not high or not high to environmental requirement in test temperature, box body can be saved
Cover plate and side wall, it is also feasible for directly using heat-conducting plate, membrane material to be measured being carried out heating.
In other embodiment of the present utility model, in passage of heat, the heat-conducting medium of flowing can also be normal using other
Rule medium, such as hot blast or water etc., can be selected according to the Range of measuring temp of test requirements document, meet heat-conducting plate heating and continue
The demand heating up.
Claims (10)
1. a kind of membrane material thermal contraction performance test device it is characterised in that：Including conduction-convection problem, described conduction-convection problem bag
Include heat-conducting plate, the upper surface of described heat-conducting plate is used for placing membrane material to be measured, the inside of heat-conducting plate or lower surface are provided with and supply heat conduction
The passage of heat of media flow.
2. membrane material thermal contraction performance test device according to claim 1 it is characterised in that：The inside of heat-conducting plate or under
Surface is provided with the passage of heat of at least two independent confession heat transfer medium flows in the horizontal direction side by side, in adjacent passage of heat
The flow direction of heat-conducting medium is reversed.
3. membrane material thermal contraction performance test device according to claim 2 it is characterised in that：Described passage of heat is simultaneously
Two of row, are in continuous " Z " font or " V " font close-packed arrays in the inside of heat-conducting plate or lower surface.
4. membrane material thermal contraction performance test device according to claim 1 it is characterised in that：The upper table of described heat-conducting plate
Face is provided with the grid scale for measuring membrane material size.
5. membrane material thermal contraction performance test device according to claim 1 it is characterised in that：Described heat-conducting medium is to lead
Deep fat.
6. membrane material thermal contraction performance test device according to claim 5 it is characterised in that：Also include thermal cycle system
System, described heat circulating system includes oil pump and electrical heating fuel tank, the import of described oil pump and electrical heating for heating conduction oil
The outlet of fuel tank is connected, and the outlet of oil pump and the import of at least two passages of heat are respectively connected with, the outlet of passage of heat
Import with electrical heating fuel tank is connected.
7. membrane material thermal contraction performance test device according to claim 6 it is characterised in that：Described heat circulating system is also
Including for the high-order oil feeding reservoir to electrical heating fuel tank repairing, the outlet of described high position oil feeding reservoir and the import phase of electrical heating fuel tank
Connect.
8. the membrane material thermal contraction performance test device according to any one of claim 1-7 it is characterised in that：Described heat
Conducting system is included with described heat-conducting plate as base plate, encloses, with side wall and cover plate, the box body setting formation, and the upper surface of heat-conducting plate is located at
In box body.
9. membrane material thermal contraction performance test device according to claim 8 it is characterised in that：Described cover plate is transparent anti-
Quick-fried glass plate.
10. membrane material thermal contraction performance test device according to claim 9 it is characterised in that：Described cover plate outer surface
It is provided with the photograph for recording film materials hot deformation or camera head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620986977.XU CN205941420U (en) | 2016-08-30 | 2016-08-30 | Membrane material thermal contraction capability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620986977.XU CN205941420U (en) | 2016-08-30 | 2016-08-30 | Membrane material thermal contraction capability test device |
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| Publication Number | Publication Date |
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| CN205941420U true CN205941420U (en) | 2017-02-08 |
Family
ID=57955261
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| CN201620986977.XU Active CN205941420U (en) | 2016-08-30 | 2016-08-30 | Membrane material thermal contraction capability test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254404A (en) * | 2017-11-30 | 2018-07-06 | 彩虹（合肥）液晶玻璃有限公司 | A kind of glass annealing and linear expansion coefficient one test device and method |
-
2016
- 2016-08-30 CN CN201620986977.XU patent/CN205941420U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254404A (en) * | 2017-11-30 | 2018-07-06 | 彩虹（合肥）液晶玻璃有限公司 | A kind of glass annealing and linear expansion coefficient one test device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180720 Granted publication date: 20170208 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210720 Granted publication date: 20170208 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230320 Address after: 472300 Room 102, Floor 1, Electronic Industrial Park, Tianshan Road, Taishan Road Street, Yima City, Sanmenxia City, Henan Province Patentee after: Henan Tiangong Membrane New Energy Technology Co.,Ltd. Address before: 472300 west section of Qianqiu Road, Yima City, Sanmenxia City, Henan Province Patentee before: HENAN YITENG NEW ENERGY TECHNOLOGY Co.,Ltd. |