CN107666731B - Ultrasonic magnetic heating device for preparing nano electronic material - Google Patents

Ultrasonic magnetic heating device for preparing nano electronic material Download PDF

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Publication number
CN107666731B
CN107666731B CN201710726914.XA CN201710726914A CN107666731B CN 107666731 B CN107666731 B CN 107666731B CN 201710726914 A CN201710726914 A CN 201710726914A CN 107666731 B CN107666731 B CN 107666731B
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heating
ultrasonic
plate
preparation
materials according
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CN107666731A (en
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强俊
阜稳稳
孔智慧
陈恩涛
盛周璇
彭壮
李远洋
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Anhui Polytechnic University
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Anhui Polytechnic University
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/14Tools, e.g. nozzles, rollers, calenders
    • H05B6/145Heated rollers
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2206/00Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/02Induction heating

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Abstract

The invention discloses an ultrasonic magnetic heating device for preparing nano electronic materials, which comprises a heating box, wherein an electromagnetic heating plate is arranged at the bottom end of the heating box, an ultrasonic table is arranged on the side surface of the heating box, a plurality of ultrasonic heads are arranged inside the ultrasonic table, the electromagnetic heating plate consists of a plurality of heating rollers, the heating rollers comprise iron cores, electromagnetic coils and radiating fins, the electromagnetic coils are uniformly wound on the surface of the iron cores, copper plates are arranged on the surface of the heating rollers, the radiating fins are uniformly connected to the inner walls of the heating rollers, the radiating fins are annularly arranged, an isolation plate is arranged on the surface of the heating box and comprises a microcrystalline panel and a mica ceramic plate, the ultrasonic heads comprise a shell, a connector lug and a transmitter lug, a limiting seat is connected on the side surface of the ultrasonic table, an electric screw is connected at the bottom end of the limiting seat, meanwhile, the energy is saved, the adjustment is convenient, the production efficiency is improved, and the method is worthy of popularization.

Description

Ultrasonic magnetic heating device for preparing nano electronic material
Technical Field
The invention relates to the technical field of nano materials, in particular to an ultrasonic magnetic heating device for preparing nano electronic materials.
Background
The nano material is a material which has at least one dimension in a nano size in a three-dimensional space or is formed by taking the nano material as a basic unit, which is approximately equivalent to the dimension of 10-100 atoms which are closely arranged together, and in the aspect of electronic communication, the nano material enables electronic elements to be smaller, faster and lower in energy consumption, and can manufacture full-channel communication engineering and computer devices with the storage density and the operation speed which are 3 to 6 orders of magnitude higher than those of the prior art, so the nano material has important significance in the aspect of electronic products, the nano material needs to be heated in production, the traditional heating mode has serious heat loss and high energy consumption, cannot meet the requirements, and is not beneficial to production.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the ultrasonic magnetic heating device for preparing the nano electronic material, which greatly improves the overall heating efficiency by the mutual matching of the ultrasonic oscillation effect and the electromagnetic heating, saves energy, is convenient to adjust, greatly improves the production efficiency and is worthy of popularization.
The technical scheme adopted by the invention for solving the technical problems is as follows: an ultrasonic magnetic heating device for preparing nano electronic materials comprises a heating box, wherein an electromagnetic heating plate is arranged at the bottom end of the heating box, an ultrasonic table is arranged on the side face of the heating box, a plurality of ultrasonic heads are arranged in the ultrasonic table, the electromagnetic heating plate consists of a plurality of heating rollers, the heating rollers comprise iron cores, electromagnetic coils and radiating fins, the electromagnetic coils are uniformly wound on the surface of the iron cores, copper plates are arranged on the surface of the heating rollers, the radiating fins are uniformly connected to the inner wall of the heating rollers, the radiating fins are annularly arranged, an isolation plate is arranged on the surface of the heating box and comprises a microcrystalline panel and a mica ceramic plate, the ultrasonic heads comprise a shell, a connector head and a transmitting head, a matcher is arranged in the shell, the matcher and a cable are electrically connected, a plurality of conical resonance disks are arranged on the, the adapter is fixed through a damping pad lining, the adapter is connected with the transducer through an electrode lead, the sound lens is arranged inside the transmitting head, the transducer is just opposite to the sound lens, the side face of the ultrasonic table is connected with a limiting seat, the bottom end of the limiting seat is connected with an electric screw, and the bottom end of the electric screw is connected with a blocking plate.
As a preferable technical scheme of the invention, the radiating fin is made of an aluminum plate material with a hollow structure, a plurality of bulges are arranged on the surface of the radiating fin, and the radiating fin is connected with the copper plate.
As a preferable technical solution of the present invention, the terminal is fixed to the housing by a rubber mount.
As a preferred technical solution of the present invention, the connector lug is disposed at one end of the housing, and the emitter lug is disposed at the other end of the housing.
As a preferable technical scheme, a feed hopper is arranged at the top end of the heating box, and a separation groove is formed in the surface of the feed hopper.
As a preferable technical scheme of the invention, the heating rollers are connected in parallel through a lead, the heating rollers are powered by mains supply, and a circuit of the heating rollers is connected with a leakage protector.
As a preferable technical scheme of the invention, the barrier plate is formed by double layers of carbon fiber plates, and the interior of the barrier plate is vacuumized.
As a preferable technical scheme, the bottom end of the heating box is provided with a base, a plurality of grooves are formed in the base, the heating roller is fixedly arranged in the grooves, heat insulation layers are arranged in the grooves, and the heat insulation layers are made of aerogel felt materials.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the heating roller is arranged, materials of the heating box are directly heated by an electromagnetic heating mode, a heat conduction process is not required to be added, the heat transmission efficiency is higher, and the inner coil generates heat and dissipates heat quickly and is not easy to damage;
(2) the ultrasonic head is arranged, and the ultrasonic wave is utilized to generate high-frequency friction on the surfaces of materials which are contacted with each other so as to generate heat, so that the materials are directly heated, and the heating speed is greatly improved;
(3) according to the invention, the limiting plate is arranged, the intensity of ultrasonic waves is adjusted as required, energy is saved, the ultrasonic heating mode and the electromagnetic heating mode are combined for heating, the traditional heat conduction mode is avoided, the heating efficiency and speed are greatly improved, and the nano electronic material is produced more quickly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the ultrasonic head of the present invention;
FIG. 3 is a schematic cross-sectional view of a heating roller according to the present invention.
In the figure: 1-heating a box; 101-a base; 102-a groove; 103-a thermal insulation layer; 2-an electromagnetic heating plate; 201-heating roller; 202-copper plate; 203-iron core; 204-an electromagnetic coil; 205-a heat sink; 206-projection; 3-an ultrasonic table; 301-a limiting seat; 302-electric screw; 303-a barrier plate; 4-an ultrasonic head; 401-a housing; 402-a connector lug; 403-a transmission head; 404-a rubber seat; 405-a matcher; 406-a conical resonator disc; 407-damping shim; 408-an electrode lead; 409-a transducer; 410-an acoustic lens; 5-an insulating plate; 6-a feed hopper; 7-separation groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced. In the present invention, the terms of direction and position, such as "up", "middle", "down", "front", "back", "left", "right", "inside", "outside", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to be illustrative and understood, and not restrictive.
Example (b):
as shown in fig. 1 to 3, the present invention provides an ultrasonic magnetocaloric device for preparing nano electronic materials, comprising a heating box 1, wherein an electromagnetic heating plate 2 is arranged at the bottom end of the heating box 1, an ultrasonic table 3 is arranged on the side surface of the heating box 1, a plurality of ultrasonic heads 4 are arranged inside the ultrasonic table 3, the electromagnetic heating plate 2 is composed of a plurality of heating rollers 201, the heating rollers 201 comprise an iron core 203, an electromagnetic coil 204 and a heat sink 205, the electromagnetic coil 204 is uniformly wound on the surface of the iron core 203, a copper plate 202 is arranged on the surface of the heating roller 201, the heat sink 205 is uniformly connected to the inner wall of the heating roller 201, the heat sink 205 is annularly arranged, an isolation plate 5 is arranged on the surface of the heating box 1, the isolation plate 5 comprises a microcrystalline panel and a mica ceramic plate, the inside of the heating box 1 is directly heated by the, the material on the surface of the isolation plate 5 can be heated, the isolation plate 5 effectively reduces heat conduction, the heating effect is improved, meanwhile, the heat radiation fins 205 absorb heat generated on the surface of the electromagnetic coil 204, heat radiation is carried out through the copper sheets 202, the load of the electromagnetic coil 204 is effectively reduced, the electromagnetic coil is not easy to damage, and the service life of the whole electromagnetic coil is prolonged;
the ultrasonic head 4 comprises a shell 401, a connector lug 402 and a transmitting lug 403, a matcher 405 is arranged in the shell 401, the matcher 405 is electrically connected with a cable, a plurality of conical resonance discs 406 are arranged on the surface of the matcher 405, the matcher 405 is fixed through a damping pad 407, the matcher 405 is connected with a transducer 409 through an electrode lead 408, an acoustic lens 410 is arranged in the transmitting lug 403, the transducer 409 and the acoustic lens 410 are opposite, an external power supply transmits electric energy through the cable, the matcher 405 is used for achieving the purpose that all high-frequency microwave signals can be transmitted to a load point, no signal is reflected back to the source point, energy benefit is improved, then the electric energy signal is transmitted to the transducer 409 through the electrode lead 408, and mechanical energy for converting the electric energy into high-frequency vibration under the action of the transducer acts on a nano material on the surface of the insulating plate 5, the surfaces of the materials which are contacted with each other generate high-frequency friction to generate heat, so that direct heating is realized;
and the side of the ultrasonic table 3 is connected with a limiting seat 301, the bottom end of the limiting seat 301 is connected with an electric screw 302, the bottom end of the electric screw 302 is connected with a blocking plate 303, and the blocking plate 303 is used for blocking the ultrasonic waves, so that the intensity of the ultrasonic waves 303 is adjusted, and qualitative control of heating is realized.
Preferably, the heat sink 205 is made of an aluminum plate material with a hollow structure, and the surface of the heat sink 205 is provided with a plurality of protrusions 206 to increase the contact area with heat, thereby increasing the heat dissipation speed, and the heat sink 205 and the copper plate 204 are connected together.
The connector lug 402 is fixed with the housing 401 through the rubber base 404, and the connector lug 402 is protected through the rubber base 404 and is prevented from being damaged due to bending.
The connector 402 is disposed at one end of the housing 401 and the transmitter 403 is disposed at the other end of the housing 401.
The heating cabinet 1 top is provided with feeder hopper 6, feeder hopper 6 surface is provided with separates the groove 7, plays the guide effect through separating material 7, guarantees that the material evenly gets into.
The heating roller 201 is connected in parallel through a wire, even if a certain heating roller 201 is short-circuited or damaged in a parallel mode, other heating rollers 201 cannot be affected, the heating roller 201 is powered by mains supply, and a leakage protector is connected in a circuit of the heating roller 201, so that safety is guaranteed.
The baffle 303 adopts double-deck carbon fiber plate to constitute, and the inside evacuation of baffle 303 is handled, plays certain effect of blockking to the ultrasonic wave, 1 bottom of heating cabinet is provided with base 101, the inside a plurality of recess 102 that is provided with of base 101, warming mill 201 is fixed to be set up inside recess 102, the inside insulating layer 103 that is provided with of recess 102, insulating layer 103 adopts the aerogel felt material, utilizes insulating layer 103 isolated heat, is favorable to warming mill 201's heat dissipation.
In summary, the main features of the present invention are:
(1) according to the invention, the heating roller is arranged, materials of the heating box are directly heated by an electromagnetic heating mode, a heat conduction process is not required to be added, the heat transmission efficiency is higher, and the inner coil generates heat and dissipates heat quickly and is not easy to damage;
(2) the ultrasonic head is arranged, and the ultrasonic wave is utilized to generate high-frequency friction on the surfaces of materials which are contacted with each other so as to generate heat, so that the materials are directly heated, and the heating speed is greatly improved;
(3) according to the invention, the limiting plate is arranged, the intensity of ultrasonic waves is adjusted as required, energy is saved, the ultrasonic heating mode and the electromagnetic heating mode are combined for heating, the traditional heat conduction mode is avoided, the heating efficiency and speed are greatly improved, and the nano electronic material is produced more quickly.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. An ultrasonic magnetic heating device for preparing nano electronic materials is characterized in that: including heating cabinet (1), heating cabinet (1) bottom is provided with electromagnetic heating plate (2), heating cabinet (1) side is provided with supersound platform (3), supersound platform (3) inside is provided with a plurality of ultrasonic head (4), electromagnetic heating plate (2) comprises a plurality of warming mill (201), warming mill (201) inside includes iron core (203), solenoid (204) and fin (205), solenoid (204) even winding is on iron core (203) surface, warming mill (201) surface is provided with copper (202), fin (205) even connection is at warming mill (201) inner wall, just fin (205) annular sets up, heating cabinet (1) surface is provided with insulating board (5), insulating board (5) include micrite panel and mica porcelain plate, ultrasonic head (4) include shell (401), Connector lug (402) and transmission head (403), shell (401) inside is provided with matcher (405), matcher (405) and cable electric connection, matcher (405) surface is provided with a plurality of toper resonance dish (406), matcher (405) are fixed through damping pad liner (407), matcher (405) link together through electrode lead (408) and transducer (409), transmission head (403) inside is provided with acoustic lens (410), transducer (409) and acoustic lens (410) are just relative, just supersound platform (3) side is connected with spacing seat (301), spacing seat (301) bottom is connected with electric screw rod (302), electric screw rod (302) bottom is connected with barrier plate (303).
2. The ultrasonic magnetocaloric device for the preparation of nanoelectronic materials according to claim 1, characterized in that: the radiating fin (205) is made of an aluminum plate material with a hollow structure, a plurality of protrusions (206) are arranged on the surface of the radiating fin (205), and the radiating fin (205) is connected with the copper plate (204).
3. The ultrasonic magnetocaloric device for the preparation of nanoelectronic materials according to claim 1, characterized in that: the connector lug (402) is fixed with the shell (401) through a rubber seat (404).
4. The ultrasonic magnetocaloric device for the preparation of nanoelectronic materials according to claim 1, characterized in that: the connector lug (402) is arranged at one end of the shell (401), and the transmitting lug (403) is arranged at the other end of the shell (401).
5. The ultrasonic magnetocaloric device for the preparation of nanoelectronic materials according to claim 1, characterized in that: the heating box (1) top is provided with feeder hopper (6), feeder hopper (6) surface is provided with separating groove (7).
6. The ultrasonic magnetocaloric device for the preparation of nanoelectronic materials according to claim 1, characterized in that: the heating roller (201) is connected in parallel through a lead, the heating roller (201) is powered by mains supply, and a circuit of the heating roller (201) is connected with a leakage protector.
7. The ultrasonic magnetocaloric device for the preparation of nanoelectronic materials according to claim 1, characterized in that: the blocking plate (303) is formed by double layers of carbon fiber plates, and the inside of the blocking plate (303) is vacuumized.
8. The ultrasonic magnetocaloric device for the preparation of nanoelectronic materials according to claim 1, characterized in that: the heating cabinet is characterized in that a base (101) is arranged at the bottom end of the heating cabinet (1), a plurality of grooves (102) are formed in the base (101), the heating roller (201) is fixedly arranged in the grooves (102), a heat insulation layer (103) is arranged in the grooves (102), and the heat insulation layer (103) is made of aerogel felt materials.
CN201710726914.XA 2017-08-23 2017-08-23 Ultrasonic magnetic heating device for preparing nano electronic material Active CN107666731B (en)

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CN110446283A (en) * 2019-08-16 2019-11-12 深圳利都科技有限公司 A kind of ultrasonic magnetic thermal device of Nano electric material preparation

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206479A (en) * 1990-05-04 1993-04-27 Cem Corporation Microwave heating system
RU2080746C1 (en) * 1992-12-28 1997-05-27 Научно-производственное объединение "Тест-Радио", Лтд. Microwave oven-refrigerator
US5762066A (en) * 1992-02-21 1998-06-09 Ths International, Inc. Multifaceted ultrasound transducer probe system and methods for its use
CN101053546A (en) * 2006-04-03 2007-10-17 张锦华 Apparatus and process for extraction of constituents from alternative medicinal material
CN101190360A (en) * 2006-11-28 2008-06-04 重庆融海超声医学工程研究中心有限公司 Multi-point transmitting ultrasonic therapy device
CN101404838A (en) * 2002-03-12 2009-04-08 松下电器产业株式会社 High frequency heating device with steam generating function
KR20090071251A (en) * 2007-12-27 2009-07-01 주식회사 대우일렉트로닉스 Multi-function microwave oven
CN202276488U (en) * 2011-08-22 2012-06-13 张家港市鹏氏电子科技有限公司 Electromagnetic induction heating roller
DE202012008255U1 (en) * 2012-08-29 2013-12-02 Apex Brands, Inc. soldering iron
CN103827960A (en) * 2011-09-26 2014-05-28 皇家飞利浦有限公司 Ultrasound probe with an acoustical lens
CN106037663A (en) * 2016-06-29 2016-10-26 华南师范大学 Continuous zooming ultrasonic probe and zooming method adopted by same
CN106659463A (en) * 2014-05-14 2017-05-10 皇家飞利浦有限公司 Acoustical lens and ultrasound transducer probe
CN106903932A (en) * 2017-04-25 2017-06-30 安徽热速达电子科技有限责任公司 A kind of Corrugating Machine Electromechanic heating roller and its application and Corrugating Machine electromagnetic heating method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10845060B2 (en) * 2015-05-05 2020-11-24 June Life, Inc. Connected food preparation system and method of use

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206479A (en) * 1990-05-04 1993-04-27 Cem Corporation Microwave heating system
US5762066A (en) * 1992-02-21 1998-06-09 Ths International, Inc. Multifaceted ultrasound transducer probe system and methods for its use
RU2080746C1 (en) * 1992-12-28 1997-05-27 Научно-производственное объединение "Тест-Радио", Лтд. Microwave oven-refrigerator
CN101404838A (en) * 2002-03-12 2009-04-08 松下电器产业株式会社 High frequency heating device with steam generating function
CN101053546A (en) * 2006-04-03 2007-10-17 张锦华 Apparatus and process for extraction of constituents from alternative medicinal material
CN101190360A (en) * 2006-11-28 2008-06-04 重庆融海超声医学工程研究中心有限公司 Multi-point transmitting ultrasonic therapy device
KR20090071251A (en) * 2007-12-27 2009-07-01 주식회사 대우일렉트로닉스 Multi-function microwave oven
CN202276488U (en) * 2011-08-22 2012-06-13 张家港市鹏氏电子科技有限公司 Electromagnetic induction heating roller
CN103827960A (en) * 2011-09-26 2014-05-28 皇家飞利浦有限公司 Ultrasound probe with an acoustical lens
DE202012008255U1 (en) * 2012-08-29 2013-12-02 Apex Brands, Inc. soldering iron
CN106659463A (en) * 2014-05-14 2017-05-10 皇家飞利浦有限公司 Acoustical lens and ultrasound transducer probe
CN106037663A (en) * 2016-06-29 2016-10-26 华南师范大学 Continuous zooming ultrasonic probe and zooming method adopted by same
CN106903932A (en) * 2017-04-25 2017-06-30 安徽热速达电子科技有限责任公司 A kind of Corrugating Machine Electromechanic heating roller and its application and Corrugating Machine electromagnetic heating method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
《A Review of Localization Systems for Robotic Endoscopic Capsules》;Trung Duc Than .etc;《IEEE Transactions on Biomedical Engineering》;20120930;第59卷(第9期);第2387-2399页 *
《脉冲电流快速烧结纳米铜焊膏连接铜镍基板研究》;黄圆等;《机械工程学报》;20170228;第53卷(第4期);第34-42页 *

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