CN206348246U - Thermal shock stress-electric coupling is loaded and test system - Google Patents
Thermal shock stress-electric coupling is loaded and test system Download PDFInfo
- Publication number
- CN206348246U CN206348246U CN201621177070.5U CN201621177070U CN206348246U CN 206348246 U CN206348246 U CN 206348246U CN 201621177070 U CN201621177070 U CN 201621177070U CN 206348246 U CN206348246 U CN 206348246U
- Authority
- CN
- China
- Prior art keywords
- loading
- temperature
- thermal shock
- control unit
- test system
- 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
Abstract
The utility model discloses a kind of loading of thermal shock stress-electric coupling and test system, conventional electronic universal tester is increased, after widening, inside loads the stove that is rapidly heated, arrange that multigroup high-power quartz lamp is heated to the sample in the system around the stove that is rapidly heated, and using high-power electric current voltage-drop loading power supply realize to the loading of the electricity of test sample and control, the utility model can realize the stress-electric coupling integrated measurement system of material under thermal shock environments, the stress-electric coupling phase change characteristics to intellectual materials such as ferroelectric ceramics under superhigh temperature thermal shock environments can be achieved, discharge mechanism and its electric failure properties test of power, and firing rate is fast, efficiency high, the uniformity is high.
Description
Technical field
The utility model is related to loading and the test system of a kind of material, specifically thermal shock-piezoelectric media loading
With test system.
Background technology
Ferroelectric ceramics has the thin microstructure characteristic enriched and strength-electric-thermal coupling effect because of it, in pressure, Re Chong
Hit field, electric field etc. it is external field evoked under easily recurring structure phase transformation and along with the significant changes of the performances such as mechanics and electricity.Not
With under outer field action, instantaneous phase transformation easily occurs for ferroelectric ceramics particularly under shock loading (heat, electricity, power etc.), rapid deformation or
Quick release bound charge and produce strong current/voltage output.It is related to nuclear technology etc. in high power ferroelectric power supply, military project
There is particularly important application in energy converting structure design, new and high technology device and special equipment field.
The phase transformation of ferroelectric ceramics after polarization can be multifactor induction with electric charge release, heat loading or surge,
Hydrostatic pressing, uniaxial compression etc. may be such that material release bound charge electric discharge, although load mode is different, but can cause material
Ferroelectricity is to antiferroelectric phase transformation so as to discharge.And thermal shock loading is different from surge loading, will not damage material and mistake
Journey is easier control, the change for some physical quantitys being also easier to during observation experiment, is more beneficial for the recovery of experiment material
Test.Therefore, for the power under the ferroelectricity to antiferroelectric transition kinetics process and pressure, heat loading of a class ferroelectric material-
Thermal coupling acts on the discharge mechanism of such lower material and punctures the underlying issues such as failure, and a class ferroelectricity is directed to we have developed a set of
The thermal shock of material-piezoelectric media loading and test system.Being mainly characterized by for the test system can be while provide variable Rate
Thermal shock, Mechanical loading system（Tensile, compressive, bending）, electric signal the ferroelectric material power under multi- scenarios method environment such as measurement and collection-
The measurement of thermo-electrically coupling performance.Test result based on this test system, is expected to disclose thermal shock-Coupling with Mechanics ferroelectricity off field
The basic strain mode of material, the Fundamental Aspects such as piezoelectric media phase change characteristics, discharge mechanism and its power-electricity failure, together
When, provide basic experiment data for the Structural Development based on such ferroelectric material, design.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency there is provided a kind of thermal shock-piezoelectric media loading with testing system
System, to obtain the mechanical property of material under extreme variable Rate high temperature thermal shocking environment.
What the purpose of this utility model was realized in：Thermal shock-piezoelectric media loading and test system, including high temperature
Thermal shock loading and control unit, Mechanics of Machinery loading and control unit, electricity loading and control unit and PC ends, the PC ends point
Not with high temperature thermal shocking loading and control unit, Mechanics of Machinery loading and control unit and the electricity loading and control
Unit is connected,
The Mechanics of Machinery loading includes electronic universal tester and mechanical meaurement module with control unit, and the mechanics is surveyed
Amount module is connected with the electronic universal tester and the PC ends respectively,
The high temperature thermal shocking loading includes be rapidly heated stove, temperature sensor and temperature control module with control unit, described
The stove that is rapidly heated be arranged on electronic universal tester in, be disposed with the stove that is rapidly heated multigroup high-power quartz lamp be used for pair
The system is heated, and the temperature sensor is rapidly heated in stove installed in described, and the temperature control module connects described respectively
Temperature sensor and the PC ends,
The electricity loading includes loading power, current measurement module and high-temperature electric streamline, the high-temperature electric with control unit
Streamline one end connects sample, and the other end connects current measurement module and loading power respectively, and the current measurement module is also connected with
The PC ends.
Further, the electronic universal tester uses the displacement load mode of electrodeless variable-speed, the electronic universal experiment
Machine uses gate-type prestressed structure.
Further, the mechanical meaurement module includes high-precision load transducer and displacement transducer, and the high accuracy is carried
Lotus sensor is used to measure load, the displacement that institute's displacement sensors are used between measuring chuck.
Further, the stove that is rapidly heated includes furnace shell, and the furnace shell upper and lower part is respectively arranged with bell with
Bell, the furnace shell inner periphery is disposed with ceramic beaverboard, the upper bell and lower bell passes through cross recess coiled hair respectively
Screw is fixed with the left of halogen heating pipe, the furnace shell and is provided with inside and outside folding inside and outside high temperature furnace, the high temperature furnace inside folding
Left and right two electrode protection covers are installed, electrode is fixed on electrode porcelain seat above and in the left and right protective cover, described
Handle is installed on the right side of furnace shell, handle is fixed on the furnace shell by two handle racks, and both sides are pacified respectively above and below the handle
Equipped with hasp, the hasp is used to lock body of heater, and test specimen is connected by upper high temperature pull bar with upper connecting rod, and the upper connecting rod is another
One end is fixed on upper of furnace body, and test specimen is connected by lower high temperature pull bar with lower link, and the lower link other end is fixed on
Lower portion of furnace body.
Further, the temperature control module includes K-type thermocouple, Human machine interface and central operation device, the K-type thermoelectricity
Even to be connected with sample, for measuring the temperature of sample and the temperature of control body of heater, the central operation device is warm with the K-type respectively
Galvanic couple and Human machine interface connection.
Further, the current measurement module carries out DATA REASONING and storage using multi-channel digital acquisition mode, described
Current measurement module is used for electric current, voltage, resistance and the temperature signal for testing and gathering sample.
Further, the current measurement module includes optical fiber current mutual inductor, and the optical fiber current mutual inductor is used to test
Sample distributed micro-current change behavior under high wind-warm syndrome.
It is preferred that, temperature sensor uses color comparison temperature measurement instrument.
The utility model has the advantage of：The utility model heats sample using high-power quartz lamp heating, speed is fast,
Efficiency high and uniformity height, realize ferroelectric material in superhigh temperature thermal shock（200 DEG C/s, 1200 DEG C of highest）Under environment
Mechanical property testing；
Realize the control (0- of the multi-functional Mechanical loadings such as tensile, compressive, bending under many environment and loading procedure
200KN)；
Realize sensing and non-cpntact measurement under many environment, the signal compensation technology of multivariable, data in real time adopt
Collection and processing；
The power-up speed to the charge and discharge process of ferroelectric material and the subsection setup of constant current voltage are realized, is possessed to material
Puncture detection and defencive function, the repid discharge of realization in particular cases of failure etc.；
The high Heat Conduction Material of thermal conductivity is used for the sample in high temperature furnace environment and related additional device to conduct and spoke
The dynamic load of high temperature thermal shocking is realized in photograph combining form, can in high volume repeat to test.
Brief description of the drawings
Fig. 1 is system structure diagram of the present utility model；
Fig. 2 is the front view of the body of heater of the present utility model that is rapidly heated;
Fig. 3 samples of the present utility model fix schematic diagram.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
Accompanying drawing 1 loads the structural representation with test system, including height for thermal shock of the present utility model-piezoelectric media
Warm Impulsive load and control unit, Mechanics of Machinery loading and control unit, electricity loading and control unit and PC ends, PC ends difference
It is connected with high temperature thermal shocking loading with control unit, electricity loading with control unit and Mechanics of Machinery loading with control unit, machinery
Mechanical loading and control unit include electronic universal tester 104 and mechanical meaurement module, mechanical meaurement module respectively with electronics
Universal testing machine 104 and the connection of PC ends, high temperature thermal shocking loading include be rapidly heated stove 103, color comparison temperature measurement instrument with control unit
101 and temperature control module, the stove 103 that is rapidly heated is arranged in electronic universal tester 104, is disposed with the stove 103 that is rapidly heated many
The high-power quartz lamp of group is used to heat the system, and color comparison temperature measurement instrument 101 is arranged on and is rapidly heated in stove 103, temperature control mould
Block connects the device of TEMP 101 and PC ends respectively, and electricity loading includes loading power, current measurement module and high temperature with control unit
Electric current line, high-temperature electric streamline one end connection sample, the other end connects current measurement module and loading power, current measurement mould respectively
Block is also connected with the PC ends, and current measurement module also includes high temperature, high-precision optical fiber current transformer, for test sample in heat
Distributed micro-current change behavior under percussion.
Wherein, electronic universal tester use electrodeless variable-speed displacement load mode, loading velocity significantly in the range of it is controllable
To provide different loading demands, using gate-type prestressed structure, it is equipped with and is realized with high temperature, heat shock resistance fixture to test sample
Stretching, compression, bending various deformation pattern.
Mechanical meaurement module includes high-precision load transducer and displacement transducer, and high-precision load transducer is used to measure
Load, the displacement that displacement transducer is used between measuring chuck, and method is combined with high temperature resistance extensometer using nonlinear CCD
Obtain the local train behavior of surface of test piece under thermal shock environments.
Accompanying drawing 2 is the front view of the stove that is rapidly heated of the system, and the stove that is rapidly heated includes furnace shell 201, and furnace shell top is with
Portion is respectively arranged with bell 202 and lower bell 203, and furnace shell inner periphery is disposed with ceramic beaverboard 204, the upper He of bell 202
203 are fixed with halogen heating pipe 206 by Cross Recess Head Screw 205 respectively on lower bell, and furnace shell left side is provided with high temperature furnace
Left and right two electrode protection covers 209 are installed, electrode 210 is fixed on electricity inside and outside inside and outside folding 207, high temperature furnace inside folding 207
On pole porcelain seat 211 and in left and right protective cover 209, handle 212 is installed on the right side of furnace shell, handle 212 passes through two handles
Frame 213 is fixed on furnace shell, and handle is also separately installed with hasp 214 in both sides about 212, and hasp 214 is used to lock body of heater, tested
Sample 215 is connected by upper high temperature pull bar 216 with upper connecting rod 217, and the other end of upper connecting rod 217 is fixed on upper of furnace body, examination
Test sample 215 to be connected with lower link 219 by lower high temperature pull bar 218, the other end of lower link 219 is fixed on lower portion of furnace body,
Sample also connects loading power 221 by high-temperature electric streamline.
Temperature control module includes K-type thermocouple 220, Human machine interface and central operation device, K-type thermocouple 220 and sample
Connection, for measure sample temperature and control body of heater temperature, central operation device respectively with K-type thermocouple 220 and man-machine boundary
Face HMI connections.
The utility model is adapted to the table that the extreme thermal shock-power of research-electricity loads multi-environment each physics and mechanical parameter off field
Levy high-precision, the anti-interference e measurement technology of system and correlation.Due to carrying out transient temperature under high temperature thermal shocking using colorimeter
Detection, sample frequency and measurement accuracy are respectively up to 120Hz and 0.5K；Using high-precision load transducer and displacement transducer
Displacement between measurement load and chuck respectively；Method is combined with high temperature resistance extensometer using nonlinear CCD and obtains thermal shock
The local train behavior of surface of test piece under environment；Temperature range can realize room temperature~1200 DEG C, quick thermal shock（200℃/s）'s
The temperature of multi-temperature zone scope it is adjustable with it is controllable, be configured with special-purpose computer interface enter trip temperature and control data transmission；Can
Test and electric current, voltage, resistance and the temperature signal of collection sample, to the power-up speed and perseverance of the charge and discharge process of ferroelectric material
Stream voltage can realize subsection setup, possess the detection failed to material breakdown and defencive function, realize in particular cases quick
Electric discharge etc..
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate the application example, and simultaneously
The non-restriction to embodiment.For those of ordinary skill in the field, it can also do on the basis of the above description
Go out other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn
Among the obvious changes or variations that Shen goes out is still in the protection domain of the application type.
Claims (8)
1. thermal shock-piezoelectric media loading and test system, it is characterised in that including high temperature thermal shocking loading and control unit,
Mechanics of Machinery is loaded to be loaded and control unit and PC ends with control unit, electricity, and the PC ends add with the high temperature thermal shocking respectively
Carry and be connected with control unit, Mechanics of Machinery loading with control unit and the electricity loading with control unit,
The Mechanics of Machinery loading includes electronic universal tester and mechanical meaurement module, the mechanical meaurement mould with control unit
Block is connected with the electronic universal tester and the PC ends respectively,
The high temperature thermal shocking loading includes be rapidly heated stove, temperature sensor and temperature control module with control unit, described quick
Heating furnace is arranged in electronic universal tester, and multigroup high-power quartz lamp is disposed with the stove that is rapidly heated for being to this
System is heated, and the temperature sensor is rapidly heated in stove installed in described, and the temperature control module connects the temperature respectively
Sensor and the PC ends,
The electricity loading includes loading power, current measurement module and high-temperature electric streamline, the high-temperature electric streamline with control unit
One end connects sample, and the other end connects current measurement module and loading power respectively, and the current measurement module is also connected with described
PC ends.
2. thermal shock according to claim 1-piezoelectric media loading and test system, it is characterised in that the electronics ten thousand
Energy testing machine uses the displacement load mode of electrodeless variable-speed, and the electronic universal tester uses gate-type prestressed structure.
3. thermal shock according to claim 1-piezoelectric media loading and test system, it is characterised in that the mechanics is surveyed
Measuring module includes high-precision load transducer and displacement transducer, and the high-precision load transducer is used to measure load, described
The displacement that displacement transducer is used between measuring chuck.
4. thermal shock according to claim 1-piezoelectric media loading and test system, it is characterised in that the quick liter
Warm stove includes furnace shell, and the furnace shell upper and lower part is respectively arranged with bell and lower bell, the furnace shell inner periphery arrangement
Have and halogen heating pipe is fixed with by Cross Recess Head Screw respectively on ceramic beaverboard, the upper bell and lower bell, it is described
It is provided with the left of furnace shell inside and outside folding inside and outside high temperature furnace, the high temperature furnace inside folding and left and right two electrode protection covers is installed,
Electrode is fixed on electrode porcelain seat above and in the left and right protective cover, is provided with handle on the right side of the furnace shell, handle passes through
Two handle racks are fixed on the furnace shell, and both sides are separately installed with hasp above and below the handle, and the hasp is used to lock stove
Body, test specimen is connected by upper high temperature pull bar with upper connecting rod, and the upper connecting rod other end is fixed on upper of furnace body, test specimen
It is connected by lower high temperature pull bar with lower link, the lower link other end is fixed on lower portion of furnace body.
5. thermal shock according to claim 1-piezoelectric media loading and test system, it is characterised in that the temperature control mould
Block includes K-type thermocouple, Human machine interface and central operation device, and the K-type thermocouple is connected with sample, for measuring sample
Temperature and control body of heater temperature, the central operation device is connected with the K-type thermocouple and Human machine interface respectively.
6. thermal shock-piezoelectric media is loaded and test system according to claim 1 or 5, it is characterised in that the temperature
Degree sensor is color comparison temperature measurement instrument.
7. thermal shock according to claim 1-piezoelectric media loading and test system, it is characterised in that the electric current is surveyed
Measure module and DATA REASONING and storage are carried out using multi-channel digital acquisition mode.
8. thermal shock-piezoelectric media loading and test system according to claim 1 or 7, it is characterised in that the electricity
Flow measurement module includes optical fiber current mutual inductor, and the optical fiber current mutual inductor is distributed for test sample under high wind-warm syndrome
Decline curent change behavior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177070.5U CN206348246U (en) | 2016-11-03 | 2016-11-03 | Thermal shock stress-electric coupling is loaded and test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177070.5U CN206348246U (en) | 2016-11-03 | 2016-11-03 | Thermal shock stress-electric coupling is loaded and test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206348246U true CN206348246U (en) | 2017-07-21 |
Family
ID=59316348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621177070.5U Expired - Fee Related CN206348246U (en) | 2016-11-03 | 2016-11-03 | Thermal shock stress-electric coupling is loaded and test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206348246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525632A (en) * | 2016-11-03 | 2017-03-22 | 兰州大学 | Heat shock-mechanical-electrical coupling loading and testing system |
-
2016
- 2016-11-03 CN CN201621177070.5U patent/CN206348246U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525632A (en) * | 2016-11-03 | 2017-03-22 | 兰州大学 | Heat shock-mechanical-electrical coupling loading and testing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104215521B (en) | Re-power-environment coupled action test device and application under room temperature to superhigh temperature | |
| WO2018233120A1 (en) | High-temperature rock sample strain and acoustic wave test device and method | |
| CN107607411A (en) | A kind of high-temperature tensile testing machine | |
| CN105301501B (en) | The evaluation method of lithium ion battery heat amount under the conditions of a kind of discharge and recharge | |
| CN207423697U (en) | Superhigh temperature biaxial stretch-formed compression fatigue test platform in situ | |
| CN106525632A (en) | Heat shock-mechanical-electrical coupling loading and testing system | |
| CN204666542U (en) | A kind of linear expansion coefficient measuring device | |
| CN109001254A (en) | A kind of device and method of quick test metallurgical cinder Thermal Conductivity at High Temperature | |
| CN104344885A (en) | Magnitude-phase absolute calibration device of high-temperature vibration sensor | |
| CN108717026A (en) | A kind of small-sized piezoelectric ceramic driving in situ fatigue test machine considering temperature gradient | |
| CN106017298A (en) | Direct contact type stretching deformation measuring system and method in high-temperature oxygen-free environment | |
| CN103983658A (en) | Fiber medium-temperature longitudinal coefficient-of-linear-expansion testing device | |
| CN107044995A (en) | The measuring system and measuring method of material Curie temperature under high pressure | |
| CN204903055U (en) | Big long -range on -line monitoring device of pipe diameter central heating pipeline stress | |
| CN103969510B (en) | Dielectric constant measurement device | |
| CN206348246U (en) | Thermal shock stress-electric coupling is loaded and test system | |
| CN104330300B (en) | Superhigh temperature ceramic material heat-damage stiffness of coupling indirect measurement method | |
| CN110331709A (en) | A kind of hole pressure touching methods probe | |
| CN108896840A (en) | A kind of device and method of original position real-time measurement piezoelectric material high-temperature piezoelectric strain constant | |
| CN103217454A (en) | Fiber bragg grating measurement system and method for cylindrical structure thermal diffusivity | |
| CN106525564A (en) | Heat shock-mechanical coupling loading and testing system | |
| CN109324079A (en) | A kind of measurement method of the material thermal expansion coefficient based on ultrasound | |
| CN103017973A (en) | High-temperature resistant micropressure optical fiber grating sensor | |
| CN205352976U (en) | Thin testing system that breaks that sees of bulky concrete | |
| CN206095475U (en) | Foil gage installation device who uses in engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170721 Termination date: 20191103 |