Novel nano temperature sensitive composite materials hot expansibility proving installationTechnical field
The utility model relates to a kind of novel nano temperature sensitive composite materials hot expansibility proving installation.
Background technology
Novel nano-copper/paraffin temperature sensitive composite materials has the thermal conductivity of metal and the thermal expansivity of polymkeric substance concurrently, and amorphous characteristics are arranged, and can be used as temperature sensing material, expanding material etc. in order to make driving, transmission and control element, and very large application prospect is arranged in engineering.Because the novel nano temperature sensitive composite materials mainly utilizes the characteristics such as thermal expansion that produce behind the paraffin generation solid-liquid phase change, therefore before test, need material is carried out the compacting sealing, the leakage of liquid paraffin when preventing material phase transformation, simultaneously, can accurately record in real time the variation relation of temperature and volume expansivity.At present, the shortcoming that the proving installation of developing for this type of temperature sensing material exists is: 1, liquid paraffin is easily revealed; 2, compound substance filling difficulty; The dismounting of 3 proving installations is loaded down with trivial details, and is repeatable poor.These shortcomings have greatly affected the measuring accuracy of material property.
Summary of the invention
Compound substance filling difficulty, proving installation dismounting that present nanometer temperature sensitive composite materials hot expansibility proving installation exists are loaded down with trivial details in order to solve, the problem of poor repeatability, the utility model proposes that a kind of compound substance filling is simple, the novel nano temperature sensitive composite materials hot expansibility proving installation of proving installation convenient disassembly, good reproducibility.
Novel nano temperature sensitive composite materials hot expansibility proving installation described in the utility model, it is characterized in that: comprise proving installation, with the temperature sensor controller of temperature sensor, with displacement transducer controller, thermostat water bath, the computing machine of displacement transducer, described proving installation comprises iron stand, filling tube, device grain-clamping table, with the locating rack of pilot hole, one end of described filling tube is installed sealing rubber plug, and the other end inserts the pumping rod with piston; The end of described pumping rod is fixed described displacement transducer, and the spring of described displacement transducer is connected on the device grain-clamping table, and described device grain-clamping table is fixed on the described iron stand; Be positioned at stationary positioned frame on the described iron stand of device grain-clamping table below, described filling tube runs through the pilot hole of described locating rack; Described temperature sensor runs through the inside that sealing rubber plug stretches into filling tube; Described temperature sensor controller, described displacement transducer controller all are electrically connected with described computing machine.
Described locating rack arranges the set bolt in locking positioning hole.
The central axis of described filling tube, the central axis of described displacement transducer are on the same vertical line.
Described filling tube adopts disposable syringe to make.
During use, open temp sensor controller, the displacement transducer controller, computing machine and thermostat water bath, and thermostat water bath is opened to predetermined temperature, then by hot press forming technology novel nano temperature sensitive composite materials to be determined is loaded into behind the filling tube the sealing rubber plug plug on filling tube, temperature sensor is inserted filling tube inside, then filling tube is inserted and be fixed in the pilot hole of the locating rack on the iron stand, the bolt-locking filling tube is tightened, so that the central axis of described filling tube, the central axis of described displacement transducer is on the same vertical line, at this moment, the initial value of recorded bit displacement sensor controller and temperature sensor controller, then the part of the filling of filling tube novel nano temperature sensitive composite materials to be determined immerses in the thermostat water bath, thereby novel nano temperature sensitive composite materials expanded by heating to be determined produces the piston of displacement promotion pumping rod and moves up, so that measure displacement with the terminal displacement transducer that is connected of pumping rod, utilize simultaneously temperature sensor to gather novel nano temperature sensitive composite materials data to be determined, then the data transmission that temperature sensor controller and displacement transducer controller is gathered is tested by the temperature and the displacement changing curve that read material in computing machine.
The beneficial effects of the utility model are: select the disposable syringe filling material, and with low cost; Displacement transducer and syringe are vertical, can effectively prevent the leakage phenomenon of liquid paraffin, improve measuring accuracy; Filling tube and displacement transducer remain on same straight line to obtain the precise displacement amount; Use thermostat water bath as heating source, simplified apparatus also improves measuring accuracy.
Description of drawings
Fig. 1 is structural drawing of the present utility model
Embodiment
Further specify the utility model below in conjunction with accompanying drawing
With reference to accompanying drawing:
Novel nano temperature sensitive composite materials hot expansibility proving installation described in the utility model, comprise provinginstallation 1, the temperature sensor controller 2 withtemperature sensor 21, the displacement transducer controller 3 withdisplacement transducer 31, thermostat water bath 4, computing machine 5, described provinginstallation 1 comprises iron stand 11,filling tube 12, device grain-clamping table 13, with the locatingrack 14 of pilot hole, one end of describedfilling tube 12 is installedsealing rubber plug 121, and the other end inserts thepumping rod 122 with piston; The end of describedpumping rod 122 is fixed describeddisplacement transducer 31, and thespring 311 of describeddisplacement transducer 31 is connected on the device grain-clamping table 13, and described device grain-clamping table 13 is fixed on the described iron stand 11; Be positioned at stationary positionedframe 14 on the described iron stand 11 of device grain-clamping table 13 belows, describedfilling tube 12 runs through the pilot hole of described locatingrack 14; Describedtemperature sensor 21 runs through the inside that sealingrubber plug 121 stretches intofilling tube 12; Described temperature sensor controller 2, described displacement transducer controller 3 all are electrically connected with described computing machine 5.
Described locatingrack 14 arranges theset bolt 141 in locking positioning hole.
The central axis of the central axis of describedfilling tube 12, describeddisplacement transducer 31 is on the same vertical line.
Describedfilling tube 12 adopts disposable syringe to make.
During use, open temp sensor controller 2, displacement transducer controller 3, computing machine 5 and thermostat water bath 4, and thermostat water bath 4 is opened to predetermined temperature, then after by hot press forming technology novel nano temperature sensitivecomposite materials 6 to be determined being loaded intofilling tube 12sealing rubber plug 121 is filled onfilling tube 12,temperature sensor 21 is insertedfilling tube 12 inside, thenfilling tube 12 is inserted and be fixed in the pilot hole of the locatingrack 14 on the iron stand 11,bolt 141locking filling tubes 12 are tightened, so that the central axis of describedfilling tube 12, the central axis of describeddisplacement transducer 31 is on the same vertical line, at this moment, the initial value of recorded bit displacement sensor controller 3 and temperature sensor controller 2, then the part of the filling offilling tube 12 novel nano temperaturesensitive composite materials 6 to be determined immerses in the thermostat water bath 4, thereby novel nano temperaturesensitive composite materials 6 expanded by heating to be determined produce the piston of displacementpromotion pumping rod 122 and move up, so that measure displacement with thepumping rod 122 terminal displacement transducers that are connected 31, utilize simultaneouslytemperature sensor 21 to gather novel nano temperaturesensitive composite materials 6 data to be determined, then the data transmission that temperature sensor controller 2 and displacement transducer controller 3 is gathered is tested by the temperature and the displacement changing curve that read material in computing machine 5.
The described content of this instructions embodiment only is enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reaches the equivalent technologies means that design can be expected according to the utility model in those skilled in the art.