CN111570241B - Water and electricity connection structure and method of welding-free water-cooling exciting coil - Google Patents
Water and electricity connection structure and method of welding-free water-cooling exciting coil Download PDFInfo
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- CN111570241B CN111570241B CN202010458737.3A CN202010458737A CN111570241B CN 111570241 B CN111570241 B CN 111570241B CN 202010458737 A CN202010458737 A CN 202010458737A CN 111570241 B CN111570241 B CN 111570241B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
- B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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Abstract
The invention discloses a water-electricity connection structure and a water-electricity connection method of a welding-free water-cooling exciting coil. The water and electricity connection structure includes the exciting coil who is connected with the movable coil skeleton, exciting coil includes two sets of coils that form by the parallel coiling of two hollow conductor respectively, and wherein every a set of coil all has a coolant entry and a coolant export, and this two sets of coils still communicates with the coolant passageway that sets up on the movable coil skeleton respectively to this two sets of coils still establishes ties through the conductive spring who sets up on the movable coil skeleton and sets up or parallelly connected the setting. Compared with the prior art, the excitation coil adopts a multi-coil series connection mode, realizes water and electricity integration, has reasonable structure and stable performance, can realize multiple input and multiple output of cooling media, is mutually independent, reduces water flow resistance, improves the heat dissipation efficiency and also improves the safety.
Description
Technical Field
The invention relates to the field of vibration tables, in particular to a water and electricity connection structure and a water and electricity connection method of a welding-free water-cooling exciting coil.
Background
In the electric oscillating table structure, the moving coil is floatingly supported as an oscillating portion in a magnetic field provided by the field winding. In the work, the excitation winding is connected with direct current to provide a constant direct current magnetic field, the moving coil is positioned in the magnetic field, the driving coil can have certain alternating current, and the driving coil interact to generate electrodynamic force to drive the moving coil so as to push the test piece to vibrate. With the increasing design of electric vibration tables, especially large electric vibration tables with thrust of several tons or more, it is necessary to cool the driving coil.
Referring to fig. 1, the exciting coil of the traditional water-cooled vibration table is wound in a single-wire mode, and cooling is performed in a two-in one-out mode, which has the following problems; (1) in the two-inlet one-outlet water cooling mode, a water pipe needs to be welded in the middle of the coil, the process is complex, the winding difficulty is high, and the requirement on a welding technology winder is high; (2) the exciting coil is in a large-current, high-magnitude vibration and high-temperature working condition for a long time, and the welding seam is easily subjected to electrolytic oxidation, so that the service life is influenced; (3) because of the existence of the middle water outlet pipe, in order to avoid interference, a groove must be formed on the central magnetic pole to influence the magnetic circuit.
Disclosure of Invention
The invention mainly solves the technical problem of providing a water-electricity connection structure and a water-electricity connection method of a welding-free water-cooling exciting coil, wherein the exciting coil adopts a multi-coil series connection mode, water and electricity are integrated, the structure is reasonable, the performance is stable, cooling water can be fed in and discharged out in multiple ways, the cooling water is independent of each other, the water flow resistance is reduced, the heat dissipation efficiency is improved, and meanwhile, the safety is enhanced.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a water and electricity connection structure of welding-free water-cooling exciting coil, includes the exciting coil who is connected with the movable coil skeleton, exciting coil is including two sets of coils that form by the parallel coiling of two hollow conductor respectively, and wherein every a set of coil all has a cooling medium entry and a cooling medium export, and these two sets of coils still communicate with the cooling medium passageway that sets up on the movable coil skeleton respectively to these two sets of coils still establish ties through the conductive spring that sets up on the movable coil skeleton and set up or parallelly connected the setting.
Preferably, the cooling medium inlet and the cooling medium outlet of each group of coils are respectively arranged at two ends of the hollow conducting wire wound to form the group of coils.
Preferably, at least four conductive springs are distributed on the outer wall of the movable coil framework at intervals, and two ends of each hollow lead wound to form a coil are respectively and electrically connected with one conductive spring.
Preferably, two of the conductive springs are electrically connected to each other.
Preferably, the two sets of coils are arranged in series or in parallel via the at least four electrically conductive springs.
Preferably, the conductive spring is fixedly connected with the outer wall of the moving coil framework through a threaded connection mechanism, and an insulation mechanism is further arranged between the conductive spring and the outer wall of the moving coil framework.
Preferably, the conductive spring is further fixed with a wiring terminal connected with the vibration table body.
Preferably, an insulating mechanism is further arranged between the conductive spring and the wiring row column.
Preferably, the conductive spring is a U-shaped conductive spring.
Preferably, the cooling medium channel is opened on the side wall of the moving coil framework.
A water-electricity connection method of a welding-free water-cooling exciting coil comprises the following steps:
arranging an excitation coil on the movable coil framework, wherein the excitation coil comprises two groups of coils which are respectively formed by winding two hollow conducting wires in parallel, and each group of coils is provided with a cooling medium inlet and a cooling medium outlet;
the two groups of coils are respectively communicated with a cooling medium channel arranged on the movable coil framework;
and electrically connecting the two groups of coils with a plurality of conductive springs arranged on the movable coil framework to ensure that the two groups of coils are arranged in series or in parallel in the working circuit.
Compared with the prior art, in the water-electricity connection structure of the welding-free water-cooling exciting coil, the exciting coil is formed by winding at least two lines, and a plurality of coils are connected in series, so that water and electricity are integrated, the structure is reasonable, the performance is stable, cooling water can be input into and output from a plurality of lines, the cooling water is independent, the water flow resistance is reduced, the heat dissipation efficiency is improved, a welding mode with a complex process is omitted, the unstable factor of a welding line is avoided, the production efficiency is improved, the service life of the exciting coil is prolonged, and the safety is obviously enhanced.
Drawings
FIG. 1 is a schematic diagram of a prior art configuration;
FIG. 2 is a schematic structural diagram of a first embodiment of a welding-free water-cooling exciting coil water-electrical connection structure according to the present invention;
FIG. 3 is a schematic structural diagram of a second embodiment of a welding-free water-cooled exciting coil according to the present invention.
Description of reference numerals: 1. a moving coil framework; 2. exciting a coil; 3. a cooling medium inlet; 4. a cooling medium outlet; 5. a cooling medium passage; 6. a conductive spring; 7. an insulating mechanism; 8. and a wiring row column.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the invention can be more readily understood by those skilled in the art, and the scope of the invention will be more clearly defined.
Referring to fig. 1, the water-electricity connection structure of a welding-free water-cooling exciting coil of this embodiment includes a moving coil framework 1 and an exciting coil 2, where the exciting coil 2 includes two groups of coils respectively formed by winding two hollow wires in parallel, each group of coils has a cooling medium inlet 3 and a cooling medium outlet 4, the two groups of coils are further respectively communicated with a cooling medium channel 5 disposed on the moving coil framework, the cooling medium channel 5 is opened on a side wall of the moving coil framework 1, the cooling medium inlet 3 and the cooling medium outlet 4 of each group of coils are respectively disposed at two ends of the hollow wires wound to form the group of coils, at least four conductive springs 6 are disposed at intervals on an outer wall of the moving coil framework, two ends of each hollow wire wound to form a coil are respectively electrically connected with one conductive spring 6, where the two conductive springs 6 are electrically connected with each other, the two groups of coils are arranged in series or in parallel through the at least four conductive springs 6.
Further, above-mentioned conductive spring 6 and 1 outer wall of moving coil skeleton are through threaded connection mechanism fixed connection, and still be equipped with insulating mechanism 7 between conductive spring and the moving coil skeleton outer wall, conductive spring 6 still is fixed with the wiring bent 8 of being connected with the shaking table body, still is equipped with insulating mechanism 7 between conductive spring 6 and the wiring bent 8.
Further, the conductive spring 6 is a U-shaped conductive spring.
Further, the conductive spring 6 is a U-shaped spring with a conductive metal reed inside or a U-shaped spring with a conductive flat cable inside.
Furthermore, a wiring row post 8 electrically connected with the driving coil is arranged on the side surface of the moving coil framework 1, and one end of the conductive spring 6 is fixedly connected with the wiring row post 8 or fixedly connected with the wiring row post 8 through a pressing sheet; and a wiring row column 8 is arranged on the fixed table body outside the moving coil framework 1, and the other end of the conductive spring 6 is fixedly connected with the wiring row column 8 or fixedly connected with the wiring row column 8 through a pressing sheet.
Furthermore, a workbench is arranged at one end of the moving coil framework 1, a cooling medium inlet 3, a cooling medium outlet 4 and an electric connection terminal are arranged on the side wall of the moving coil framework 1 close to the workbench, the cooling medium inlet 3 and the cooling medium outlet 4 are connected with the driving coil through a cooling medium channel 5 arranged in the moving coil framework 1, and the terminal is electrically connected with the driving coil through a lead arranged in the moving coil framework 1.
Under the static condition, the driving coil is positioned in the cylinder body of the electric vibration table, and the working table end of the moving coil framework 1 slightly protrudes out of the fixed table body on the outer side of the working table, so that a cooling medium channel 5 communicated with the driving coil can be led out of the side frame body of the moving coil framework 1 which is horizontal to the fixed table body.
The electrical conduction of the driving coil needs to provide reliable electrical connection for the vibrating driving coil, and in some cases, for example, when the vibration thrust of the electric vibration table is large, and reaches several tons or even tens of tons, the current intensity in the corresponding driving coil is increased, and at this time, if the sectional area of the driving coil is not increased, the risk that the driving coil is burned and the like is caused, but if the traditional excitation coil winding method is adopted, only the sectional area of the driving coil is increased, and another series of problems are caused. In the embodiment, the connection mode of the two groups of coils is only changed, the two groups of coils are connected in parallel, the working requirement under a large current can be met, the driving coils and the platform body structure do not need to be adjusted, and the device is convenient and low in cost. In other cases, for example, when the high-voltage power amplifier needs to be operated, only two groups of coils need to be connected in series.
In the water-electricity series connection mode of the welding-free water-cooling exciting coil, two conductive springs 6 on the moving coil framework 1 are electrically connected, the two conductive springs 6 are respectively and electrically connected with one ends of two groups of coils formed by winding two hollow conducting wires in parallel of the exciting coil 2, and the other ends of the two groups of coils are respectively and electrically connected with the positive pole and the negative pole of a power supply, so that the two groups of coils are connected in series, and the welding-free water-cooling exciting coil can be matched with a high-voltage power amplifier to work.
In the water and electricity parallel connection mode of the welding-free water-cooling exciting coil, two conductive springs 6 on the movable coil framework 1 are electrically connected, the two conductive springs 6 are respectively and electrically connected with one ends of two groups of coils formed by winding two hollow conducting wires in parallel of the exciting coil 2 and are simultaneously connected with one electrode of a power supply, and the other ends of the two groups of coils are respectively and electrically connected with the other electrode of the power supply, so that the two groups of coils are connected in parallel, and the welding-free water-cooling exciting coil can work under the condition of matching low voltage and high current.
Referring to fig. 2, in the two coil coils of the exciting coil 2 of the welding-free water-cooling exciting coil water-electrical connection structure according to the present embodiment, the cooling medium inlet 3 and the cooling medium outlet 4 of each coil group may be distributed on the same side of the exciting coil.
Referring to fig. 3, the cooling medium inlet 3 and the cooling medium outlet 4 of each group of coils of the welding-free water-cooling exciting coil water-electrical connection structure according to the present embodiment may also be oppositely disposed on two sides of the exciting coil 2.
The welding-free water-cooling exciting coil water-electricity connection structure is simple in structure, optimizes the water-cooling exciting coil winding process, removes a welding mode with a complex process, avoids unstable welding seams, improves production efficiency, prolongs the service life of the exciting coil, can be applied to the production field of vibration tables in batches, has great economic value and has excellent cost performance.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. A water and electricity connection method of a welding-free water-cooling exciting coil is characterized by comprising the following steps:
the excitation coil is arranged on the movable coil framework and comprises two groups of coils which are respectively formed by winding two hollow conducting wires in parallel, wherein each group of coils is provided with a cooling medium inlet and a cooling medium outlet, and the cooling medium inlet and the cooling medium outlet of each group of coils are respectively arranged at two ends of the hollow conducting wires which are wound to form the group of coils;
the two groups of coils are respectively communicated with a cooling medium channel arranged on the outer wall of the movable coil framework;
at least four conductive springs are arranged on the outer wall of the moving coil framework at intervals, the conductive springs are fixedly connected with the outer wall of the moving coil framework through a threaded connection mechanism, and an insulation mechanism is arranged between the conductive springs and the outer wall of the moving coil framework;
two ends of each hollow lead wire wound to form coils are respectively and electrically connected with a conductive spring, so that two groups of coils are connected in series or in parallel in a working circuit through at least four conductive springs;
under the condition that the high-voltage power amplifier needs to be matched for working, two conductive springs are electrically connected and are respectively electrically connected with one ends of the two groups of coils, and the other ends of the two groups of coils are respectively electrically connected with a positive pole and a negative pole of a power supply so as to connect the two groups of coils in series;
when the device needs to work under low voltage and large current, two conductive springs are electrically connected, and are respectively and electrically connected with one end of each of the two groups of coils and one electrode of a power supply, and the other ends of the two groups of coils are respectively and electrically connected with the other electrode of the power supply, so that the two groups of coils are connected in parallel.
2. A method of hydroelectric connection according to claim 1 in which: and the conductive spring is also fixedly provided with a wiring gang post connected with the vibrating table body.
3. A method of hydroelectric connection according to claim 2 in which: and an insulating mechanism is also arranged between the conductive spring and the wiring row column.
4. A method of hydroelectric connection according to claim 1 in which: the conductive spring is a U-shaped conductive spring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010458737.3A CN111570241B (en) | 2020-05-27 | 2020-05-27 | Water and electricity connection structure and method of welding-free water-cooling exciting coil |
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| CN202010458737.3A CN111570241B (en) | 2020-05-27 | 2020-05-27 | Water and electricity connection structure and method of welding-free water-cooling exciting coil |
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| CN111570241B true CN111570241B (en) | 2022-04-01 |
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| CN116928947B (en) * | 2023-06-28 | 2024-02-20 | 中国矿业大学 | Electric vibrating table moving coil cooling system and method based on multi-sensor fusion |
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| DE19612061C1 (en) * | 1996-03-27 | 1997-09-18 | Dornier Medizintechnik | Electromagnetic shock wave source |
| CN101055220A (en) * | 2007-06-06 | 2007-10-17 | 苏州东菱振动试验仪器有限公司 | Water and electricity connection structure of water-cooling type drive coil |
| CN201110795Y (en) * | 2007-11-16 | 2008-09-03 | 苏州试验仪器总厂 | Dynamoelectric oscillating table movable coil lead wire structure |
| CN201152804Y (en) * | 2008-01-23 | 2008-11-19 | 苏州东菱振动试验仪器有限公司 | Water cooled field coil |
| CN103592089A (en) * | 2012-08-15 | 2014-02-19 | 北京强度环境研究所 | Vibration table moving coil water cooling structure |
| US9432774B2 (en) * | 2014-04-02 | 2016-08-30 | Sonion Nederland B.V. | Transducer with a bent armature |
| CN106017836A (en) * | 2016-07-01 | 2016-10-12 | 苏州东菱振动试验仪器有限公司 | Series-parallel excitation device for vibrating table |
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