CN203620561U - Electromagnetic heating electromagnet driven magnetic stirrer - Google Patents
Electromagnetic heating electromagnet driven magnetic stirrer Download PDFInfo
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- CN203620561U CN203620561U CN201320634765.1U CN201320634765U CN203620561U CN 203620561 U CN203620561 U CN 203620561U CN 201320634765 U CN201320634765 U CN 201320634765U CN 203620561 U CN203620561 U CN 203620561U
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- iron core
- exciting coil
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Abstract
The utility model discloses an electromagnetic heating electromagnet driven magnetic stirrer which comprises a shell, a heating plate with a round hole, a cylindrical metal box for a non-magnetic material inlaid in the middle of the round hole, a multi-pole driving electromagnet, an insulation board, a coil, a magnetic stripe and a control circuit, wherein the coil is coiled on a plane in a spiral line mode, is fixedly arranged below a heating plate and is electrically connected with the control circuit; the insulation board is fixedly arranged between the heating plate and the coil; and the magnetic stripe is arranged outside the coil. The magnetic stirrer has the advantages and positive effects that the magnetic stirring is directly driven by a rotary magnetic field generated by the electromagnet, the intermediate link is reduced, and the conversion efficiency is improved. Because the electromagnet can obtain magnetic field intensity higher than that of a permanent magnet, the stirring torque can be greatly improved, and the applicability is higher. An alternating magnetic field is generated through the coil, so that the heating plate generates eddy current heating, the insulation board is small in thickness, the gap between the heating plate and the coil is small, the electromagnetic conversion efficiency is high, complete electric heating isolation is realized, and the safety performance is improved.
Description
Technical field
The utility model relates to heating and stirring device, particularly a kind of Electromagnetic Heating solenoid actuated magnetic stirring apparatus.
Background technology
Electric heating magnetic stirring apparatus is applicable to stirring, heating or agitating heating to carry out simultaneously, and being applicable to viscosity is not very large liquid or solidliquid mixture.When use, stirrer is put into liquid in container, when producing after rotating excitation field under heating plate, thereby drive stirrer to become circumference shuttling movement to reach the object of agitated liquid.Coordinate temperature control equipment, can and maintain sample temperature according to concrete requirement of experiment control, help experimenter to set experiment condition, improved greatly the repeatability of experiment.Chemistry, medical science, Biochemical Lab, the analysis room of school, the widely used heating liquid agitating device in laboratory of the scientific research departments such as biology, heredity, medicine, environment-friendly laboratory and food, epidemic prevention, medical treatment.
The electrical heating magnetic stirring apparatus using at present comprises base, control circuit, heating plate, heater element and rotary magnet, wherein heating plate generally adopts nickel-cadmium heating wire as exothermic material with heater element, with high temperature resistant mica sheet as insulating materials, using nickel-cadmium heating wire around mica sheet on after again with mica sheet wrap in outside be placed under heating plate as insulating barrier; Heater element is communicated with control circuit, and control circuit is by the break-make of electric current in temperature controller control heater element or the size of the electric current that control is passed through, to keep the temperature of heating plate in suitable temperature.The heater element that this class electrical heating magnetic stirring apparatus adopts is resistance element, not only the thermal efficiency is lower, and the heater element of electric heating one and panel, housing contacts are close, especially under high temperature insulating materials easily inefficacy can cause heating plate, housing charged, easily there is personal injury accident; Magnetic stirring apparatus adopts motor to drive permanent magnet rotation to produce rotating excitation field, and mixing torque is little, and has when motor operation noise, failure rate of machinery high.
Summary of the invention
The purpose of this utility model is exactly the above-mentioned defect that will overcome prior art, and a kind of efficient, safe Electromagnetic Heating solenoid actuated magnetic stirring apparatus is provided.
For achieving the above object, the electromagnetic heating type electromagnet that the utility model provides directly drives magnetic stirring apparatus, comprise shell, the cylindrical metal box of the nonmagnetic substance of inlaying in the middle of the round-meshed heating plate of Intermediate Gray and circular hole, multipole DM, its iron core column is wound with magnet exciting coil and lower magnet exciting coil, also comprise and described heating plate under heat-insulating shield, coil, control circuit in magnetic stripe and described shell, it is characterized in that: the round-meshed heating plate of described Intermediate Gray is bearing in the top of described shell, described multipole DM occupy circular hole intermediate support and is connected in the cylindrical metal box of described nonmagnetic substance and with described control circuit electricity, described coil is in one plane spiral form coiling, be fixedly mounted on below described heating plate and with described control circuit electricity and be connected, producing alternating magnetic field by coil makes heating plate produce eddy-current heating, described heat-insulating shield is fixedly mounted between described heating plate and described coil, magnetic stripe is equipped with in the outside of described coil, the cylindrical metal box of the nonmagnetic substance of inlaying in the middle of heating plate circular hole, except the multipole DM of supporting, can also conduct heat energy and make the center of heating plate not have heated blank district not affect the conduction of rotating excitation field simultaneously.
The utility model Electromagnetic Heating solenoid actuated magnetic stirring apparatus, 4,6 of wherein said multipole DM employings or 8 iron core column are evenly distributed in a concentric circumference; Each iron core column is wound with each one of magnet exciting coil and lower magnet exciting coil, the upper and lower overlapping placement identical with lower magnet exciting coil parameter of upper magnet exciting coil, the upper magnet exciting coil of each iron core column around to and the sense of current that passes through make the upper surface of each iron core column all produce the magnetic pole N utmost point of the same name, be placed on lower magnet exciting coil below around to and the sense of current that passes through make the upper surface of iron core column all produce the magnetic pole S utmost point contrary with upper magnet exciting coil.In concentric circumference, relative 2 iron core column and upper magnet exciting coil and lower magnet exciting coil are a pair of, the lower magnet exciting coil series connection of the upper magnet exciting coil of its iron core column and that relative iron core column is a coil groups, the upper magnet exciting coil series connection of the lower magnet exciting coil of its iron core column and that relative iron core column is a coil groups, the rest may be inferred by analogy can form 4,6 or 8 coil groups for it, each coil groups is connected with control circuit electricity respectively, and control circuit is successively in turn for the coil groups power supply that is evenly distributed on an each iron core column in concentric circumference produces rotating excitation field.
The utility model Electromagnetic Heating solenoid actuated magnetic stirring apparatus, the iron core column of wherein said multipole DM adopts pure iron.
The utility model Electromagnetic Heating solenoid actuated magnetic stirring apparatus, wherein said heating plate adopts ferrimagnet to make, and is magnetic stainless steel material.
The utility model Electromagnetic Heating solenoid actuated magnetic stirring apparatus, the material of the cylindrical metal box of wherein said nonmagnetic substance is aluminium, copper, non-magnetic stainless steel.
Advantage and the good effect of the utility model Electromagnetic Heating solenoid actuated magnetic stirring apparatus are: make heating plate generation eddy current that heating plate is heated up owing to producing alternating magnetic field by coil, heating plate is exactly heater, so thermal inertia is little, heating plate heating-cooling rapidly after switching electricity.Heat-insulating shield adopts glass mat or asbestos board to form, its thin thickness, and between heating plate and coil, gap is less, so electromagnetic conversion efficiency is higher, more saves electric energy, easy to maintenance, long service life.Meanwhile, due to coil integral sealing and and heating plate between have nonmetallic heat-insulating shield, electric heating is isolated completely, thereby security performance improves greatly, has guaranteed user's personal safety.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment.
Accompanying drawing explanation
Fig. 1 is that the master of the utility model Electromagnetic Heating solenoid actuated magnetic stirring apparatus embodiment looks cutaway view;
Fig. 2 is that 4 iron core column and magnet exciting coil are evenly distributed on top view in concentric circumference;
Fig. 3 is that 6 iron core column and magnet exciting coil are evenly distributed on top view in concentric circumference;
Fig. 4 is that 8 iron core column and magnet exciting coil are evenly distributed on top view in concentric circumference.
The specific embodiment
Describe the embodiment of the utility model Electromagnetic Heating solenoid actuated magnetic stirring apparatus in detail below in conjunction with accompanying drawing.
With reference to Fig. 1, the Electromagnetic Heating solenoid actuated magnetic stirring apparatus that the utility model provides, comprise cylindrical metal box 11, the multipole DM 3 of the nonmagnetic substance of inlaying in the middle of shell 1, the round-meshed heating plate 2 of Intermediate Gray and circular hole, its iron core column 4 is wound with magnet exciting coil 5 and lower magnet exciting coil 6, also comprise and described heating plate 2 under heat-insulating shield 8, coil 9, magnetic stripe 10 and described shell 1 in control circuit 7; It is characterized in that: described heating plate 2 is bearing in the top of described shell 1, described multipole DM 3 occupy circular hole intermediate support and is connected in the cylindrical metal box 11 of described nonmagnetic substance and with described control circuit 7 electricity, described coil 9 is in one plane spiral form coiling, be fixedly mounted on below described heating plate 2 and with described control circuit 7 electricity and be connected, producing alternating magnetic field by coil 9 makes heating plate 2 produce eddy-current heating, described heat-insulating shield 8 is fixedly mounted between described heating plate 2 and described coil 9, and magnetic stripe 10 is equipped with in the outside of described coil 9; The cylindrical metal box 11 of the nonmagnetic substance of inlaying in the middle of heating plate 2 circular holes, except the multipole DM 3 of supporting, can also conduct heat energy and make the center of heating plate 2 not have heated blank district not affect the conduction of rotating excitation field simultaneously.
With reference to Fig. 2, Fig. 3, Fig. 4, portable electric magnet of the present invention directly drives magnetic stirring apparatus, and wherein said multipole DM 3 adopts 4,6 or 8 iron core column 4 to be evenly distributed in a concentric circumference; Each iron core column 4 is wound with each one of magnet exciting coil 5 and lower magnet exciting coil 6, upper magnet exciting coil 5 and the identical upper and lower overlapping placement of lower magnet exciting coil 6 parameter, the upper magnet exciting coil 5 of each iron core column 4 around to and the sense of current that passes through make the upper surface of iron core column 4 all produce the magnetic pole N utmost point of the same name, be placed on lower magnet exciting coil 6 below around to and the sense of current that passes through make the upper surface of iron core column 4 all produce the magnetic pole S utmost point contrary with upper magnet exciting coil 5.Describe in detail as an example of 6 iron core column example below, 6 iron core column 4 are denoted as A, B, C, D, E, F successively containing upper magnet exciting coil 5 and lower magnet exciting coil 6, in concentric circumference, relative 2 iron core column 4 and upper magnet exciting coil 5 and lower magnet exciting coil 6 are a pair of, 6 iron core column 4 are divided into 3 pairs, be that A, D are a pair of, B, E are a pair of, C, F are a pair of, and 6 series connection of the upper magnet exciting coil 5 of A and the lower magnet exciting coil of D are one group and are called the upper magnet exciting coil 5 of A coil groups, D and 6 series connection of the lower magnet exciting coil of A and are one group and are called D coil groups, 6 series connection of the upper magnet exciting coil 5 of B and the lower magnet exciting coil of E are one group and are called the upper magnet exciting coil 5 of B coil groups, E and 6 series connection of the lower magnet exciting coil of B and are one group and are called E coil groups, the upper magnet exciting coil 5 of C and 6 series connection of the lower magnet exciting coil of F are one group and are called C coil groups, the upper magnet exciting coil 5 of F and 6 series connection of the lower magnet exciting coil of C are one group and are called F coil groups, A, B, C, D, E, F coil groups is connected with control circuit 7 electricity respectively, control circuit 7 is successively in turn for being evenly distributed on the coil groups power supply of the each iron core column 4 in a concentric circumference, the power upper surface of A iron core column 4 of the upper magnet exciting coil 5 of a certain moment A iron core column 4 produces the N utmost point, the lower magnet exciting coil 6 of the D iron core column 4 of series connection makes the upper surface of D iron core column produce the synonyms pole S utmost point with it, the power upper surface of B iron core column of the upper magnet exciting coil 5 of next moment B iron core column 4 produces the N utmost point, the lower magnet exciting coil 6 of the E iron core column 4 of series connection makes the upper surface of E iron core column 4 produce the synonyms pole S utmost point with it, then the upper surface of C iron core column 4 produces the N utmost point, the upper surface of F iron core column 4 produces the synonyms pole S utmost point simultaneously, then the upper surface of D iron core column 4 produces the N utmost point, the upper surface of A iron core column 4 produces the synonyms pole S utmost point simultaneously, the upper surface of E iron core column 4 produces the N utmost point thereupon, the upper surface of B iron core column 4 produces the synonyms pole S utmost point simultaneously, the upper surface of last F iron core column 4 produces the N utmost point, the upper surface of C iron core column 4 produces the synonyms pole S utmost point simultaneously, then start a new circulation ..., so go round and begin again and just produced rotating excitation field.
The utility model Electromagnetic Heating solenoid actuated magnetic stirring apparatus, the iron core column 4 of wherein said multipole DM 3 adopts pure iron.
The utility model Electromagnetic Heating solenoid actuated magnetic stirring apparatus, wherein said heating plate 2 adopts ferrimagnet to make, and is magnetic stainless steel material.
The utility model Electromagnetic Heating solenoid actuated magnetic stirring apparatus, the material of the cylindrical metal box 11 of wherein said nonmagnetic substance is aluminium, copper, non-magnetic stainless steel.
In the embodiment of the utility model Electromagnetic Heating solenoid actuated magnetic stirring apparatus, the temperature control part in control circuit and the electric heating magnetic stirring apparatus of prior art are similar, come the break-make of control circuit or the size of the electric current that control is passed through by temperature controller; The circuit of control coil is similar with the widely used control circuit of prior art electromagnetic oven, can be according to actual needs on the multistage adjusting of power output and testing circuit, be simplified.
Advantage and the good effect of the utility model Electromagnetic Heating solenoid actuated magnetic stirring apparatus are: make heating plate generation eddy current that heating plate is heated up owing to producing alternating magnetic field by coil, heating plate is exactly heater, so thermal inertia is little, heating plate heating-cooling rapidly after switching electricity.Heat-insulating shield adopts glass mat or asbestos board to form, its thin thickness, and between heating plate and coil, gap is less, magnetic stripe is equipped with in the outside of coil, can effectively prevent electromagnetic energy leakage, so electromagnetic conversion efficiency is higher, more save electric energy, easy to maintenance, long service life; Meanwhile, due to coil integral sealing and and heating plate between have nonmetallic heat-insulating shield, electric heating is isolated completely, thereby security performance improves greatly, has guaranteed user's personal safety.
Magnetic agitation adopts electromagnet to produce rotating excitation field and directly drives, and has reduced the intermediate link of electric energy → mechanical energy → rotating excitation field, and conversion efficiency is improved.Because electromagnet can obtain the magnetic field intensity that is greater than permanent magnet by regulation voltage, electric current, so mixing torque can improve greatly, applicability is stronger simultaneously.
Owing to there is no the mechanical movement of motor, not only eliminate noise when motor moves but also reduced fault rate.
Embodiment recited above is described preferred embodiment of the present utility model, not design of the present utility model and scope is limited.Do not departing under the prerequisite of the utility model design concept; various modification and improvement that this area ordinary person makes the technical solution of the utility model; all should drop into protection domain of the present utility model; the technology contents of the utility model request protection, has all been documented in claims.
Claims (1)
1. the Electromagnetic Heating solenoid actuated magnetic stirring apparatus that the utility model provides, cylindrical metal box (11), its iron core column of multipole DM (3) (4) of comprising the nonmagnetic substance of inlaying in the middle of shell (1), the round-meshed heating plate of Intermediate Gray (2) and circular hole are wound with magnet exciting coil (5) and lower magnet exciting coil (6), also comprise and described heating plate (2) under heat-insulating shield (8), coil (9), magnetic stripe (10) and described shell (1) in control circuit (7); It is characterized in that: wherein said heating plate (2) is bearing in the top of described shell (1), described multipole DM (3) is bearing in the cylindrical metal box (11) of described nonmagnetic substance and occupy in the middle of the circular hole of heating plate (2).
2. Electromagnetic Heating solenoid actuated magnetic stirring apparatus according to claim 1, is characterized in that: 4,6 of wherein said multipole DM (3) employings or 8 iron core column (4) are evenly distributed in a concentric circumference, each iron core column (4) is wound with each one of magnet exciting coil (5) and lower magnet exciting coil (6), upper magnet exciting coil (5) upper and lower overlapping placement identical with lower magnet exciting coil (6) parameter, the upper magnet exciting coil (5) of each iron core column (4) around to and the sense of current that passes through make the upper surface of each iron core column (4) all produce the magnetic pole N utmost point of the same name, be placed on lower magnet exciting coil (6) below around to and the sense of current that passes through make the upper surface of each iron core column (4) all produce the magnetic pole S utmost point contrary with upper magnet exciting coil (5), in concentric circumference, relative 2 iron core column (4) and upper magnet exciting coil (5) and lower magnet exciting coil (6) are a pair of, lower magnet exciting coil (6) series connection of the upper magnet exciting coil (5) of its iron core column (4) and relative that iron core column (4) is a coil groups, upper magnet exciting coil (5) series connection of the lower magnet exciting coil (6) of its iron core column (4) and relative that iron core column (4) is a coil groups, can form 4, 6 or 8 coil groups, each coil groups is connected with control circuit (7) electricity respectively, control circuit (7) is successively in turn for the coil groups power supply that is evenly distributed on the each iron core column (4) in a concentric circumference produces rotating excitation field.
3. Electromagnetic Heating solenoid actuated magnetic stirring apparatus according to claim 1, is characterized in that: the material of the iron core column (4) of wherein said multipole DM (3) is pure iron.
4. Electromagnetic Heating solenoid actuated magnetic stirring apparatus according to claim 1, is characterized in that: wherein said heating plate (2) adopts ferrimagnet to make.
5. Electromagnetic Heating solenoid actuated magnetic stirring apparatus according to claim 1, is characterized in that: the material of the cylindrical metal box (11) of wherein said nonmagnetic substance is aluminium, copper, non-magnetic stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634765.1U CN203620561U (en) | 2013-10-15 | 2013-10-15 | Electromagnetic heating electromagnet driven magnetic stirrer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634765.1U CN203620561U (en) | 2013-10-15 | 2013-10-15 | Electromagnetic heating electromagnet driven magnetic stirrer |
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| Publication Number | Publication Date |
|---|---|
| CN203620561U true CN203620561U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320634765.1U Expired - Fee Related CN203620561U (en) | 2013-10-15 | 2013-10-15 | Electromagnetic heating electromagnet driven magnetic stirrer |
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| CN (1) | CN203620561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240966A (en) * | 2016-08-24 | 2016-12-21 | 济南浩隆生物科技有限公司 | A kind of Full-automatic culture medium filling machine |
-
2013
- 2013-10-15 CN CN201320634765.1U patent/CN203620561U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240966A (en) * | 2016-08-24 | 2016-12-21 | 济南浩隆生物科技有限公司 | A kind of Full-automatic culture medium filling machine |
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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: 20140604 Termination date: 20141015 |
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| EXPY | Termination of patent right or utility model |