CN205538774U - A electrical coil test device for magnetic cooling contrast - Google Patents

A electrical coil test device for magnetic cooling contrast Download PDF

Info

Publication number
CN205538774U
CN205538774U CN201620114949.9U CN201620114949U CN205538774U CN 205538774 U CN205538774 U CN 205538774U CN 201620114949 U CN201620114949 U CN 201620114949U CN 205538774 U CN205538774 U CN 205538774U
Authority
CN
China
Prior art keywords
fixture block
mangneto
sample
hot
coil
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
Application number
CN201620114949.9U
Other languages
Chinese (zh)
Inventor
黄阳
言兰
姜峰
郭桦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaqiao University
Original Assignee
Huaqiao University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huaqiao University filed Critical Huaqiao University
Priority to CN201620114949.9U priority Critical patent/CN205538774U/en
Application granted granted Critical
Publication of CN205538774U publication Critical patent/CN205538774U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses an electrical coil test device for magnetic cooling contrast, including fixture, two coil components, the sample that awaits measuring, thermocouple sensor, workstation, fixture dress connect in the workstation, the sample detachably that awaits measuring clamp in fixture, two coil components dress connect in the workstation, and set up respectively in fixture's both sides, thermocouple sensor dress connect in the await measuring surface of sample. The utility model provides a study magnetic annealing effect's test device, through the switching between circular telegram and power off condition of coil component, the realization contrasts the speed of the sample drop in temperature under the condition that magnetizes and do not magnetize that awaits measuring.

Description

A kind of hot-wire coil assay device for mangneto cooling contrast
Technical field
This utility model relates to a kind of hot-wire coil assay device for mangneto cooling contrast.
Background technology
Magnetic field secondary process is as carrying out a kind of energy field householder method earlier, and because its processing cost is low, impressed field easily moves The advantage such as remove, be widely used.Magnetic field mainly affects the course of processing by magnetic effect, and magnetic effect includes mangneto Flexible, mangneto cools down, mangneto phase transformation etc..Magnetic annealing effect is mainly manifested in, and permeability magnetic material occurs magnetic during demagnetization The confusion in direction, farmland, this process can absorb substantial amounts of heat, and this endothermic process occurs at material internal simultaneously, it is not necessary to heat transfer Process, therefore cooling effectiveness and rate of cooling are the highest.Magnetic annealing effect has substantially side for the dissipation of heat energy under adiabatic situation Help, it is thus possible to magnetized (actively magnetize) and heat in metal cutting demagnetization (passive demagnetization) by the continuous print external world, quickly and efficiently Take away the heat of machining area, reduce the localized hyperthermia that machining area produces.Within 1881, Warburg is initially observed metallic iron Heat effect in externally-applied magnetic field, within 1895, Langeviz is found that magnetothermal effect.Within 1918, Weiss finds ferromagnet first Adiabatic magnetization can change along with reversible temperature.It is low that nineteen twenty-six Debye et al. proposes to utilize adiabatic demagnetization cool-down method to obtain Temperature.Giangue in 1933 et al. uses magnetic material as working medium, obtains below 1K by isothermal magnetization and adiabatic demagnetization method Low temperature.Research magnetic annealing effect needs control sample at the speed declined with or without temperature under conditions of magnetizing, and is surveyed by experiment Sample temperature drop curve under the conditions of under the conditions of must magnetizing and not magnetizing, utilizes the correlation theory of magnetic energy and heat energy, and research is at magnetic cooling But magnetic energy and the mutual relation of heat energy in effect.Therefore to research magnetic annealing effect, under conditions of contrast is magnetized and is not magnetized The speed that temperature declines, needs a kind of hot-wire coil assay device for mangneto cooling contrast.
Utility model content
The purpose of this utility model is to overcome the deficiency of prior art, it is provided that a kind of test for studying magnetic annealing effect Device, is switched between energising and off-position by coil member, it is achieved contrast sample to be tested is under conditions of magnetizing and not magnetizing The speed that temperature declines.
This utility model solves the technical scheme that its technical problem used:
A kind of hot-wire coil assay device for mangneto cooling contrast, including clamping device, two coil members, to be tested Sample, thermocouple sensor, workbench;Described clamping device is secured to described workbench, and described sample to be tested removably blocks dress In described clamping device;Described two coil members are secured to described workbench, and are respectively arranged at the both sides of described clamping device; Described thermocouple sensor is secured to the surface of described sample to be tested.
Preferred as one, described workbench includes top board, base plate and several columns, described top board by described several Column is secured to the top of described base plate.
Preferred as one, described clamping device includes fixture block, lower fixture block, regulation screw mandrel and handwheel, and described lower fixture block is solid Being connected to described base plate, described upper fixture block is connected with described regulation screw mandrel one, and described top board is provided with an installing hole, described regulation silk Bar is through this installing hole and described handwheel threaded engagement;Described handwheel is by the upper-lower position of fixture block upper described in Spin Control, described Upper fixture block coordinates card to fill described sample to be tested with described lower fixture block.
Preferred as one, also include rolling bearing, described handwheel is by this rolling bearing and the attaching rotationally of described top board Together.
Preferred as one, described upper fixture block and lower fixture block are respectively equipped with the draw-in groove for described scale to be tested dress.
Preferred as one, described top board and base plate are provided with the installation portion installed for described coil member, described two coil structures The side of part is installed in the installation portion of described top board, and the opposite side of these two coil members is installed in the installation portion of described base plate.
Preferred as one, described coil member is provided with water-cooled protecting device, to prevent the high temperature impact on coil performance.
The beneficial effects of the utility model are: this utility model provides a kind of assay device for studying magnetic annealing effect, Switched between energising and off-position by coil member, it is achieved at a temperature of contrast sample to be tested is under conditions of magnetizing and not magnetizing The speed of fall, apparatus structure is simple, and measurement effect is good;Also provide a kind of new measuring method and research to research worker simultaneously Thinking.
Below in conjunction with drawings and Examples, this utility model is described in further detail;But one of the present utility model is used for magnetic The hot-wire coil assay device that refrigeration but contrasts is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is structural representation one (front view) of the present utility model;
Fig. 2 is structural representation two (cross sectional plan view) of the present utility model;
Fig. 3 is the temperature drop curve chart of DT4C pure iron temperature drop contrast experiment of the present utility model.
Detailed description of the invention
Embodiment
Refer to shown in Fig. 1 to Fig. 2, a kind of hot-wire coil assay device for mangneto cooling contrast of the present utility model, Including clamping device, two coil members 5, sample to be tested, thermocouple sensor, workbench;Described clamping device is secured to Described workbench, described sample to be tested is removably installed in described clamping device;Described two coil members 5 are secured to described Workbench, and it is respectively arranged at the both sides of described clamping device;Described thermocouple sensor is secured to the surface of described sample to be tested.
Further, described workbench includes top board 3, base plate 9 and several columns 7, if described top board 3 is by described Dry column 7 is secured to the top of described base plate 9.
Further, described clamping device includes fixture block 6, lower fixture block 8, regulation screw mandrel 10 and handwheel 2, described lower folder Block 8 is fixed in described base plate 9, and described upper fixture block 6 is connected with described regulation screw mandrel 10 one, and described top board 3 is provided with a peace Dress hole, described regulation screw mandrel 10 is through this installing hole and described handwheel 2 threaded engagement;Described handwheel 2 is by Spin Control institute Stating the upper-lower position of fixture block 6, described upper fixture block 6 coordinates card to fill described sample to be tested with described lower fixture block 8.
Further, also including rolling bearing 1, described handwheel 2 is by this rolling bearing 1 with described top board 3 rotationally It is connected.
Further, described upper fixture block 6 and lower fixture block 8 are respectively equipped with the draw-in groove for described scale to be tested dress.
Further, described top board 3 and base plate 9 are provided with the installation portion 4 installed for described coil member 5, described two lines The side of circle component 5 is installed in the installation portion 4 of described top board 3, and the opposite side of these two coil members 5 is installed in described base plate The installation portion 4 of 9.
Further, described coil member 5 is provided with water-cooled protecting device, to prevent the high temperature impact on coil performance.
The measuring method of the hot-wire coil assay device of mangneto of the present utility model cooling contrast, comprises the following steps:
(1) described coil member 5 is energized;
(2) sample to be tested being heated to preset temperature T and is incubated, temperature retention time is t1, and sample to be tested is installed in institute afterwards State clamping device;
(3) described thermocouple sensor is secured to the surface of described sample to be tested, and measures to be tested in measuring time t2 The temperature variations of sample;
(4) to the power-off of described coil member 5, step (2), (3) are repeated.
Further, preset temperature T is not less than 300 DEG C.
Further, temperature retention time t1 is not less than 10min.
Further, described measurement time t2 determines according to initial temperature and rate of temperature fall.
Fig. 3 is that DT4C pure iron takes 500 at preset temperature T by measured by hot-wire coil assay device of the present utility model DEG C, temperature retention time t1 takes 20min, measures the temperature drop curve chart that time t2 is obtained when taking 1000s;Can by the curve of Fig. 3 Knowing, magnetize under state, the temperature drop speed of DT4C pure iron has substantially quickening.
Above-described embodiment is only used for further illustrating a kind of hot-wire coil test dress for mangneto cooling contrast of the present utility model Put, but this utility model is not limited to embodiment, every according to technical spirit of the present utility model, above example is made Any simple modification, equivalent variations and modification, each fall within the protection domain of technical solutions of the utility model.

Claims (7)

1. one kind for mangneto cooling contrast hot-wire coil assay device, it is characterised in that include clamping device, Two coil members, sample to be tested, thermocouple sensor, workbench;Described clamping device is secured to described workbench, Described sample to be tested is removably installed in described clamping device;Described two coil members are secured to described workbench, And it is respectively arranged at the both sides of described clamping device;Described thermocouple sensor is secured to the surface of described sample to be tested.
A kind of hot-wire coil assay device for mangneto cooling contrast the most according to claim 1, its feature Being: described workbench includes top board, base plate and several columns, described top board is by several column attachings described Top in described base plate.
A kind of hot-wire coil assay device for mangneto cooling contrast the most according to claim 2, its feature Being: described clamping device includes fixture block, lower fixture block, regulation screw mandrel and handwheel, described lower fixture block is fixed in described Base plate, described upper fixture block is connected with described regulation screw mandrel one, and described top board is provided with an installing hole, described regulation screw mandrel Through this installing hole and described handwheel threaded engagement;Described handwheel passes through the upper-lower position of upper fixture block described in Spin Control, Described upper fixture block coordinates card to fill described sample to be tested with described lower fixture block.
A kind of hot-wire coil assay device for mangneto cooling contrast the most according to claim 3, its feature It is: also include that rolling bearing, described handwheel are connected with described top board rotationally by this rolling bearing.
A kind of hot-wire coil assay device for mangneto cooling contrast the most according to claim 3, its feature It is: described upper fixture block and lower fixture block are respectively equipped with the draw-in groove for described scale to be tested dress.
A kind of hot-wire coil assay device for mangneto cooling contrast the most according to claim 2, its feature It is: described top board and base plate are provided with the installation portion installed for described coil member, the side of described two coil members Being installed in the installation portion of described top board, the opposite side of these two coil members is installed in the installation portion of described base plate.
Hot-wire coil assay device for mangneto cooling contrast the most according to claim 1, it is characterised in that: Described coil member is provided with water-cooled protecting device.
CN201620114949.9U 2016-02-04 2016-02-04 A electrical coil test device for magnetic cooling contrast Expired - Fee Related CN205538774U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620114949.9U CN205538774U (en) 2016-02-04 2016-02-04 A electrical coil test device for magnetic cooling contrast

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620114949.9U CN205538774U (en) 2016-02-04 2016-02-04 A electrical coil test device for magnetic cooling contrast

Publications (1)

Publication Number Publication Date
CN205538774U true CN205538774U (en) 2016-08-31

Family

ID=56777161

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620114949.9U Expired - Fee Related CN205538774U (en) 2016-02-04 2016-02-04 A electrical coil test device for magnetic cooling contrast

Country Status (1)

Country Link
CN (1) CN205538774U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105572165A (en) * 2016-02-04 2016-05-11 华侨大学 Electrified coil test device and measuring method for magnetic annealing comparison

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105572165A (en) * 2016-02-04 2016-05-11 华侨大学 Electrified coil test device and measuring method for magnetic annealing comparison
CN105572165B (en) * 2016-02-04 2019-03-12 华侨大学 Hot-wire coil experimental rig and measurement method for the cooling comparison of mangneto

Similar Documents

Publication Publication Date Title
Schmidt et al. Scientific test setup for investigation of shape memory alloy based elastocaloric cooling processes
US8375727B2 (en) Cooling device
TW200507158A (en) Substrate support having dynamic temperature control
Biswas et al. The universal behavior of inverse magnetocaloric effect in antiferromagnetic materials
Trevizoli et al. Assessment of demagnetization phenomena in the performance of an active magnetic regenerator
CN103983660B (en) A kind of indoor rock sample test device of thermal conductivity coefficient
CN210427257U (en) System for testing thermal cycle function fatigue performance of shape memory alloy
CN205538774U (en) A electrical coil test device for magnetic cooling contrast
Kamantsev et al. Thermomagnetic and magnetocaloric properties of metamagnetic Ni-Mn-In-Co Heusler alloy in magnetic fields up to 140 kOe
Prida et al. Magnetocaloric effect in melt-spun FePd ribbon alloy with second order phase transition
CN205643217U (en) A permanent magnet test device for magnetic cooling contrast
DE60139976D1 (en) Method and device for determining flatness
ATE492904T1 (en) ARRANGEMENT OF AN ELECTRICAL COMPONENT AND A TWO-PHASE COOLING DEVICE AND METHOD FOR PRODUCING THE ARRANGEMENT
CN105572165B (en) Hot-wire coil experimental rig and measurement method for the cooling comparison of mangneto
CN108508381A (en) It is a kind of to consider that the magnetic characteristic of temperature load measures sensing box
CN106826330B (en) Holding device
CN105572164B (en) Permanent magnet experimental rig and measurement method for the cooling comparison of mangneto
Kumar et al. Effects of external magnetic field arrangements on thermomagnetic convection in ferrofluid around heated Micro-wire
CN106996994B (en) Temperature cycle test bench
Barbosa Jr et al. Magnetocaloric refrigeration research at the INCT in Cooling and Thermophysics
CN202383059U (en) Detection device for frictional coefficient of metal material
CN102520742A (en) Temperature regulation and control system for detecting platform
Bouchekara et al. Multiphysics modeling of a magnetic refrigeration system based on superconductors
CN113555206A (en) Method for establishing target space extremely-weak magnetic field, magnetizing equipment and magnetized product
Wang et al. Comparative analysis of magnetic and caloric determinations of the magnetocaloric effect in Mn0. 99Co0. 01As

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160831

Termination date: 20220204

CF01 Termination of patent right due to non-payment of annual fee