CN207991959U - A kind of shape memory high molecule Thermal-mechanical Coupling experimental provision - Google Patents
A kind of shape memory high molecule Thermal-mechanical Coupling experimental provision Download PDFInfo
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- CN207991959U CN207991959U CN201820307827.0U CN201820307827U CN207991959U CN 207991959 U CN207991959 U CN 207991959U CN 201820307827 U CN201820307827 U CN 201820307827U CN 207991959 U CN207991959 U CN 207991959U
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- mts
- temperature
- shape memory
- acumen
- high molecule
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Abstract
The utility model discloses a kind of shape memory high molecule Thermal-mechanical Coupling experimental provision, MTS acumen electromagnetic servos testing machines are connected to MTS control computers by MTS acumen controllers；The heating device passes through the contact portion of switch relay to heating DC power supply；The control terminal of switch relay is connected to the output end of temperature controller；Temperature controller is also respectively connected to non-contact laser temperature sensor, MTS acumen controllers and MTS control computers；Cooling fan is connected to cooling DC power supply, and the control terminal for the DC power supply that cools down is connected to MTS control computers；The shape memory high molecule sample that MTS acumen electromagnetic servo testing machines use is arranged in the temperature-controlled cabinet.The utility model is while temperature in use case carries out Thermal-mechanical Coupling experiment, additionally it is possible to the measurement strained；It can carry out the deformation experiment of different temperatures, different degrees of forced convertion experiment, the shape memory experiment of different temperature rates.
Description
Technical field
The utility model is related to shape memory high molecule performance test field, especially a kind of shape memory high molecule heating power
Coupling experiment device.
Background technology
With the progress of science, the high-tech sectors such as aerospace, biomedicine, microelectronics are being developed rapidly,
Requirement of the people to material property is also higher and higher, and traditional structural material cannot meet the needs of scientific development, so
Many materials with specific function come into being.Shape memory high molecule has deformation greatly, and good biocompatibility makes letter
Single, cost is cheap, can print and waits a little, has obtained extensive utilization.It is heat with widest a kind of shape memory high molecule
The shape memory high molecule of activation, this material in the relatively low presentation super-elasticity of the above modulus of glass transition temperature, referred to as rubbery state,
Glass transition temperature is with the higher presentation brittleness of calculating modulus, referred to as glassy state.Shape memory behavior is by (being higher than glass at high temperature
Glass temperature) apply certain deformation, temperature then is reduced in the case of fixed deformation, just goes temporary shapes shape after external force
At, then temperature is increased under conditions of no external force, original shape is replied.It is by temperature in entire shape recovery process
Change the variation of inherent the glass phase and rubber phase to adjust material, and inertial forces between the two to complete.
During this, that is, there is the variation of power, and there are the variations of temperature, be between power and temperature have it is interactional.In addition also
It needs to carry out forced convertion experiment, the influence of material mechanical performance in deformation heat development is discussed, and do not consider to deform heat
The variation of the mechanical property of material under (i.e. forced convertion weakens deformation heat).
The demand that Thermal-mechanical Coupling in order to meet shape memory high molecule is tested, existing there is also many temperature control systems
System, occurs substantially in the form of sweat box, and existing sweat box has the disadvantage that most temperature control box is only capable of keeping the temperature, no
The control of temperature rate can be met, the influence of forced convertion can not be met, and disclosure satisfy that the requirement of temperature rate
Temperature control box it is expensive, common situation is that the too big weight of temperature control box volume is too heavy, and use is highly inconvenient, especially for micro-
For small-sized MTS acumen testing machines, these temperature control box visualizations are not high, using while sweat box cannot use draw
Stretch meter.In order to meet the research of this shape memory high molecule Thermal-mechanical Coupling experiment, and in view of existing temperature control system exists
The problem of, the utility model specially design it is a set of meet shape memory high molecule Thermal-mechanical Coupling experiment temperature control system, common group
Build a set of shape memory high molecule Thermal-mechanical Coupling experimental provision.
Utility model content
The purpose of this utility model is to provide a kind of shape memory high molecule Thermal-mechanical Coupling experimental provision.
Realize that the technical solution of the utility model aim is as follows：
A kind of shape memory high molecule Thermal-mechanical Coupling experimental provision, including MTS acumen electromagnetic servos testing machine, MTS
Acumen controllers and MTS control computers；The MTS acumen electromagnetic servos testing machine passes through MTS acumen controllers
It is connected to MTS control computers；It further include temperature-controlled cabinet；The temperature-controlled cabinet is provided with heating device and cooling fan,
It is additionally provided with non-contact laser temperature sensor；The heating device passes through the contact portion of switch relay to heating direct current
Power supply；The control terminal of switch relay is connected to temperature controller；Temperature controller is also respectively connected to non-contact laser temperature
Spend sensor, MTS acumen controllers and MTS control computers；The cooling fan is connected to cooling DC power supply, cooling
The control terminal of DC power supply is connected to MTS control computers；The shape note that the MTS acumen electromagnetic servo testing machines use
Recall macromolecule sample to be arranged in the temperature-controlled cabinet.
Further, further include Video Extensometer and Video Extensometer control computer, Video Extensometer is connected to video
Extensometer control computer.
Further, the heating device includes superposed heating plate and the heated fan positioned at lower part, and setting exists
The sidewall bottom of temperature-controlled cabinet.As its improvement, the heating device is two, is separately positioned on the both sides of temperature-controlled cabinet
Side wall.
Further, the cooling fan is two, is symmetricly set on the both sides side wall of temperature-controlled cabinet, one of them
For induced draught fan, another is air ejector fan.
The utility model has the beneficial effects that：(1) can synchronous acquisition power, the data of displacement and temperature；It is (2) small,
Light weight is easy to use and replaces；(3) cost is low, is suitable for the scientific research of the big output of small cost；(4) using transparent
Temperature control box, visualization are high；(5) while temperature in use case carries out Thermal-mechanical Coupling experiment, additionally it is possible to the survey strained
Amount；(6) deformation experiment of different temperatures, different degrees of forced convertion experiment, the shape note of different temperature rates can be carried out
Recall experiment.
Description of the drawings
Fig. 1 is shape memory high molecule Thermal-mechanical Coupling experimental provision schematic diagram；
Fig. 2 is temperature-controlled cabinet organigram；
Fig. 3 is schematic diagram of heating device.
Wherein, 1-MTS acumen electromagnetic servo testing machines；2-MTS acumen controllers；3-MTS controls calculate
Machine；4-Video Extensometers；5-Video Extensometer control computers；6-temperature-controlled cabinets；7-heating DC power supplies；8-hand over
Galvanic electricity source；9-temperature controllers；10-switch relays；11-transmitters；12-cooling DC power supplies；13-is non-contact sharp
Light temperature sensor；14-shape memory high molecule samples；15-heating devices；16-cooling fans；17-heated fans；
18-heating plates.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
It is the experimental provision of a set of shape memory high molecule Thermal-mechanical Coupling, including MTS acumen electricity shown in 2,3 such as Fig. 1
Magnetic servo testing machine 1 controls the computer 3 of the controller 2 and display control of its operation；Further include that cooperation MTS experimental machines are answered
Become the computer 5 of the Video Extensometer 4 and its mating installation process software that measure；Further include that measuring temperature mould is in the block non-contact
Formula laser temperature sensor 13, temperature sensor 13 are connected on the temperature controller 9 of control temperature, and temperature data passes through transmitter 11
It is transferred in MTS controllers 2；In the module that heats up, heated to heating device 15 by DC power supply 7 so that the temperature in temperature control box 6
Degree increases, and is controlled by relay 10 between DC power supply 7 and heating device 15, the signal of relay 10 passes through temperature controller
9 provide, and wherein heating device 15 is transferred heat in temperature control box 6 by installing a fan 17 behind heating plate 18；
In cooling module, the rotation of fan 16 is controlled by a DC power supply 12, carries out the exchange of inside and outside gas to cool down；Direct current
Source 7 and 12 supplies energy by AC power 8.
In use, according to Fig. 1, the connection type in 2,3 is assembled, it is ensured that DC power supply and electric elements linking are just
The correct access of cathode, it is ensured that the access of circuit is normal, it is ensured that the correct access of the input/output terminal of relay 10, it is ensured that temperature control
The correct identification and access of 2 each serial ports of device 9 and controller.
The utility model can carry out the uniaxial tensile test under different temperatures, by adjusting the environment temperature of temperature control box not
Together, the temperature-resistant of temperature control box is then kept in drawing process, carries out uniaxial tensile test.Sample 14 is mounted on first
On MTS testing machines 1, the temperature of temperature control box 6 is maintained near experimental temperature, the environment temperature in temperature control box 6 passes through non-contact
Laser temperature sensor 13 incudes the temperature of specimen surface, then temperature data is transferred to temperature controller 9, and the order of temperature controller is logical
The computer 3 for crossing installation labview softwares is given, and then temperature controller 9 controls the beginning of relay 10, to control DC power supply 7
Power is supplied to heating device 15, finally ensures the stability of specimen temperature.Power and the signal of displacement pass through MTS testing machines 1
Sensor transmissions are transferred to controller 2 to controller 2, temperature signal by transmitter 11, finally carried out on computer 3 display and
Read data.Strain is measured by Video Extensometer, on being transferred to control computer 5.
The utility model can carry out the memory cycle experiment of different temperature rates, by the way that MTS experiments are arranged simultaneously
On the machine 1 plus unloading retention time is consistent with the heating and cooling retention time being arranged in temperature control system, can carry out the shape of different rates
Shape remembers circulation experiment.Power and Bit andits control on MTS testing machines 1 are all configured by software on computer 3, and controller is passed through
2 are manipulated.Temperature control in temperature control box 6 is programmed control temperature controller 9 by the labview softwares installed on computer 3
Signal output, wherein heating and cooling be two different plates, pass through program setting distinguish.When heating, relay 10 is beaten
It opens, 7 output power of DC power supply is heated, and the rate of heating is controlled by the output power size of DC power supply 7, is led to
Acquisition temperature control box temperature feedback is adjusted excess temperature sensor 13 in real time to temperature controller 9 in real time, the excessively high relay switch of temperature
10 close, the not output power of DC power supply 7.When cooling, acquisition temperature control box temperature feedback carries out sensor 13 to temperature controller 9 in real time
Input variable value in real-time adjustment programme, then the output power of control DC power supply 12 is carried out, adjust turning for cooling fan 16
Speed and heat exchange amount.Signal acquisition is the same with uniaxial tensile test under different temperatures, and this completes memory cycle realities
It tests.
The utility model can also carry out forced convertion experiment, by controlling the rotating speed of fan 16 in cooling module, to sample
The temperature on 14 surfaces carries out pressure heat exchange, avoids influence of the deformation heat to material mechanical performance, can by regulate and control rotating speed and
Exhaust air rate carries out the experiment of different forced convertion degree.
Claims (5)
1. a kind of shape memory high molecule Thermal-mechanical Coupling experimental provision, which is characterized in that tried including MTS acumen electromagnetic servos
Test machine (1), MTS acumen controllers (2) and MTS control computers (3)；The MTS acumen electromagnetic servos testing machine (1)
It is connected to MTS control computers (3) by MTS acumen controllers (2)；
Further include temperature-controlled cabinet (6)；The temperature-controlled cabinet (6) is provided with heating device (15) and cooling fan (16), also
It is provided with non-contact laser temperature sensor (13)；
The heating device (15) passes through the contact portion of switch relay (10) to heating DC power supply (7)；Switch relay
(10) control terminal is connected to temperature controller (9)；Temperature controller (9) is also respectively connected to non-contact laser temperature sensing
Device (13), MTS acumen controllers (2) and MTS control computers (3)；
The cooling fan (16) is connected to cooling DC power supply (12), and the control terminal of cooling DC power supply (12) is connected to MTS
Control computer (3)；
The shape memory high molecule sample (14) that the MTS acumen electromagnetic servos testing machine (1) uses is arranged in the temperature
In control cabinet (6).
2. shape memory high molecule Thermal-mechanical Coupling experimental provision as described in claim 1, which is characterized in that further include that video draws
Meter (4) and Video Extensometer control computer (5) are stretched, Video Extensometer (4) is connected to Video Extensometer control computer (5).
3. shape memory high molecule Thermal-mechanical Coupling experimental provision as described in claim 1, which is characterized in that the heating device
(15) include superposed heating plate (18) and the heated fan (17) positioned at lower part, be arranged in the side of temperature-controlled cabinet (6)
Wall bottom.
4. shape memory high molecule Thermal-mechanical Coupling experimental provision as claimed in claim 3, which is characterized in that the heating device
(15) it is two, is separately positioned on the both sides side wall of temperature-controlled cabinet (6).
5. shape memory high molecule Thermal-mechanical Coupling experimental provision as described in claim 1, which is characterized in that the cooling fan
(16) it is two, is symmetricly set on the both sides side wall of temperature-controlled cabinet (6), one of them is induced draught fan, another is row
Wind fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820307827.0U CN207991959U (en) | 2018-03-07 | 2018-03-07 | A kind of shape memory high molecule Thermal-mechanical Coupling experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820307827.0U CN207991959U (en) | 2018-03-07 | 2018-03-07 | A kind of shape memory high molecule Thermal-mechanical Coupling experimental provision |
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| Publication Number | Publication Date |
|---|---|
| CN207991959U true CN207991959U (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820307827.0U Expired - Fee Related CN207991959U (en) | 2018-03-07 | 2018-03-07 | A kind of shape memory high molecule Thermal-mechanical Coupling experimental provision |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318339A (en) * | 2018-03-07 | 2018-07-24 | 西南交通大学 | A kind of shape memory high molecule Thermal-mechanical Coupling experimental provision |
-
2018
- 2018-03-07 CN CN201820307827.0U patent/CN207991959U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318339A (en) * | 2018-03-07 | 2018-07-24 | 西南交通大学 | A kind of shape memory high molecule Thermal-mechanical Coupling experimental provision |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20210307 |