CN205538774U - A electrical coil test device for magnetic cooling contrast - Google Patents
A electrical coil test device for magnetic cooling contrast Download PDFInfo
- 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
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- China
- Prior art keywords
- fixture block
- mangneto
- sample
- hot
- coil
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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
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.
Priority Applications (1)
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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 |
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CN201620114949.9U CN205538774U (en) | 2016-02-04 | 2016-02-04 | A electrical coil test device for magnetic cooling contrast |
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CN205538774U true CN205538774U (en) | 2016-08-31 |
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CN201620114949.9U Expired - Fee Related CN205538774U (en) | 2016-02-04 | 2016-02-04 | A electrical coil test device for magnetic cooling contrast |
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Cited By (1)
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 |
-
2016
- 2016-02-04 CN CN201620114949.9U patent/CN205538774U/en not_active Expired - Fee Related
Cited By (2)
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 |
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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 |
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CF01 | Termination of patent right due to non-payment of annual fee |