CN214505175U - Efficient energy-saving demagnetizer with adjustable frequency and voltage separation - Google Patents
Efficient energy-saving demagnetizer with adjustable frequency and voltage separation Download PDFInfo
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- CN214505175U CN214505175U CN202120741263.3U CN202120741263U CN214505175U CN 214505175 U CN214505175 U CN 214505175U CN 202120741263 U CN202120741263 U CN 202120741263U CN 214505175 U CN214505175 U CN 214505175U
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- demagnetization
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Abstract
The utility model discloses a frequency-voltage separation adjustable energy-efficient demagnetizer, include: the demagnetization controller is electrically connected with the power supply; the demagnetization coil is used for carrying out demagnetization treatment on the equipment; wherein the demagnetization controller is configured to include: a frequency converter; the V/F circuit and/or the F/V circuit are matched with the frequency converter to realize frequency and voltage separation or conversion; and a frequency regulating circuit and a voltage regulating circuit which are used for respectively regulating the output frequency and the output voltage are also arranged between the demagnetization coil and the demagnetization controller. The utility model provides a frequency-voltage separation adjustable energy-efficient demagnetizer, its voltage and frequency can independently be adjusted, to the product of different batches, different materials, can find the best frequency and the voltage of demagnetization effect for the adaptability of demagnetization machine is stronger.
Description
Technical Field
The utility model relates to a frequency-voltage separation adjustable energy-efficient demagnetizer.
Background
The demagnetizer is used for eliminating residual magnetism generated in machining process, transportation and carrying process and placing environment, and is mainly used for: the magnetic die has the problems of product sticking, the magnetic plated part and the rough electroplated surface of the plated part, the magnetic welded part can blow the arc of the arc welding, the welding bead deviates, the ion beam of the ion beam welding deviates, the magnetic bearing can adsorb scrap iron and magnetic powder to cause the super abrasion of the ball bearing, the magnetic bearing and the metal cutting of the processed part can stick the part, the brake and the magnetic sensor can generate detection errors due to the existence of residual magnetism, the magnetic oil circuit system can adsorb iron pins and magnetic powder to influence the smoothness of an oil supply system, and demagnetization is needed in the occasions.
The working principle of the demagnetizer is a common alternating current demagnetizing method. The alternating current demagnetizing method is characterized in that alternating current energy is utilized to change the direction continuously, so that an alternating current demagnetizing field can change the magnetic domain structure in a workpiece continuously, thereby weakening the residual magnetism in the workpiece continuously, and then the size of the demagnetizing field is changed by changing the demagnetizing current or the workpiece is away from the demagnetizing field gradually, thereby finally realizing the demagnetization of the workpiece.
In the prior art, as shown in fig. 2-3, an enameled wire or a wire-covered wire with a certain diameter or a certain cross-sectional area is usually wound to form a round or square multi-turn hollow coil 8, the coil is directly connected with 220V/380, an alternating magnetic field is generated in the coil, and then a corresponding demagnetization space 9 is obtained, and after a magnetized product passes through the energized coil, the product is demagnetized.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
In order to realize the purposes and other advantages according to the present invention, there is provided a demagnetizing device with adjustable frequency-voltage separation and high efficiency, comprising:
the demagnetization controller is electrically connected with the power supply;
the demagnetization coil is used for carrying out demagnetization treatment on the equipment;
wherein the demagnetization controller is configured to include:
a frequency converter;
the V/F circuit and/or the F/V circuit are matched with the frequency converter to realize frequency and voltage separation or conversion;
and a frequency regulating circuit and a voltage regulating circuit which are used for respectively regulating the output frequency and the output voltage are also arranged between the demagnetization coil and the demagnetization controller.
Preferably, a matched input filter is further arranged between the power supply and the demagnetization controller;
and the input end of the demagnetization coil is also provided with a matched output filter.
Preferably, the demagnetization coil is configured to be obtained by winding an enameled copper wire or a double-wire enameled copper wire.
Preferably, a matched iron core is arranged in the demagnetization coil.
The utility model discloses at least, include following beneficial effect: one of them, the utility model discloses set up the demagnetization controller between demagnetization coil and power, cooperation adjustment frequency and adjustment voltage's circuit, the technical problem that the size of the demagnetization magnetic field of having solved the demagnetization machine is adjustable, magnetic field frequency is adjustable, reduce operating current, reduction consumption for the demagnetization machine remanence is littleer, the effect is more excellent, demagnetization product type increases, and adaptability is stronger.
And secondly, the utility model discloses set up the matched with wave filter at power output end and demagnetization coil's input, solve the electric wire netting and to the interference of demagnetization equipment, reduce the alternating current noise of demagnetization machine work and disturb, guarantee that the demagnetization effect satisfies the use needs.
Thirdly, the utility model discloses a demagnetization coil who adds the iron core has solved the ordinary piece of demagnetization machine and has adopted hollow coil, and the electric current of work is big, the problem of high-power consumption.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a block diagram of the principle components of a demagnetizing device according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of a demagnetizer in the prior art;
FIG. 3 is a schematic front view of the structure of FIG. 2;
fig. 4 is a schematic connection block diagram of the demagnetizing device.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that in the description of the present invention, the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, or a connection between two elements, and those skilled in the art will understand the specific meaning of the terms in the present invention in a specific context.
Fig. 1 and 4 show the realization form of the energy-efficient demagnetizer with adjustable frequency-voltage separation according to the present invention, which includes:
the demagnetization controller 3 is electrically connected with the power supply 1, and in the structure, the working power supply of the demagnetization machine adopts a 220V or 380V alternating current power supply which is used for separating or converting the frequency and the voltage of the power supply so as to realize the separated adjustment of the frequency and the voltage at the later stage and further adapt to the demagnetization requirements of different workpieces;
the demagnetization coil 7 is used for carrying out demagnetization treatment on equipment, and after the demagnetization coil is electrified, a demagnetization magnetic field with adjustable frequency and magnetic field is generated in the demagnetization coil or on a plane, so that demagnetization of a product is realized;
wherein the demagnetization controller is configured to include:
the frequency converter 30 is used for adjusting the voltage and frequency of the output power supply and providing the required power supply voltage according to actual requirements so as to achieve the purpose of energy conservation;
a V/F circuit 31 and/or an F/V circuit 32 which is matched with the frequency converter to realize frequency and voltage separation or conversion, a voltage/frequency conversion circuit, namely a V/F circuit, which is used for converting a certain voltage signal into a frequency signal according to a linear proportional relation so that when the input voltage changes, the output frequency also changes correspondingly, a frequency/voltage conversion circuit, namely an F/V circuit, which can be composed of an integrator, a differentiator and a dedusting and square root operation circuit, can accurately and linearly convert the frequency of a sine wave signal into the output voltage, and realizes the voltage/frequency separation through two circuits, and the V/F circuit and the F/V circuit belong to the prior art, so the circuit layout and the connection relation are not described;
in the structure, the frequency regulating circuit 4 and the voltage regulating circuit which are integrated in the frequency converter or independently set are used for regulating the output frequency and the output voltage so as to be matched with specific demagnetization equipment and have better adaptability and demagnetization effects, and because the frequency regulating circuit and the voltage regulating circuit belong to the prior art, the circuit layout and the connection relation are not described any more, in the actual operation, 220V/380 alternating current is output to the demagnetization controller 3, and after the output frequency and the output voltage of the demagnetization controller 3 are regulated and set through the frequency regulating circuit 4 and the voltage regulating circuit 5, the alternating current is output to the demagnetization coil 7, due to the electromagnetic induction principle, an alternating magnetic field with certain frequency and certain magnetic induction intensity is generated in the demagnetization coil 7, if a demagnetization product passes through the demagnetization coil 7, a strong magnetic field with certain frequency acts on the demagnetization product, the size and the direction of the magnetic field acting on the demagnetization product are changed along with the movement of the demagnetization product, magnetic domains in the demagnetization product are disordered, and the purpose of demagnetization is achieved;
because the frequency of the demagnetizer is separated from the voltage in the scheme, the voltage and the frequency can be independently adjusted, the demagnetizing frequency and the voltage which are matched with products made of the same material in a certain batch can be found through debugging for the products made of different materials, so that the magnetic field generated by the products made of the same material can achieve the best demagnetizing effect, the practicability is stronger, the adaptability is stronger, and the demagnetizing power is greatly reduced, the specific operation is realized, one sample in the products made of the same material in the same batch is selected, the initial demagnetizing frequency is set to be 50Hz, the sample is placed into the demagnetizing space of a demagnetizing coil for demagnetizing operation, after the demagnetization effect is detected by adopting detection setting, if the requirement cannot be met, the demagnetizing frequency is adjusted downwards or upwards, the other sample is adopted for demagnetizing and detecting until the demagnetizing effect meets the requirement, and then the demagnetizing operation is carried out on the products made of the same material in the same batch at the frequency, the demagnetization effect is ensured, and the demagnetization efficiency is improved;
in practical operation, the output voltage usually changes along with the frequency adjustment, but the invention can make independent auxiliary adjustment to the output voltage through the voltage adjustment circuit to make the demagnetization voltage meet the requirement, and the adjustment way is consistent with the adjustment frequency, and will not be described here.
In another example, as shown in fig. 1, a matched input filter 2 is further arranged between the power supply and the demagnetization controller, and the input filter is a power supply filter in such a structure, so as to meet the EMC requirement and solve the interference to the power grid;
the input end of the demagnetization coil is also provided with a matched output filter 6, in the structure, the output filter is also a power filter and is used for solving the compatibility problem of EMC, reducing the working alternating current noise interference of the demagnetization machine and ensuring the demagnetization effect, and according to the actual use requirement, the filter machine can adopt resistance-capacitance filtering, bridge filters and the like;
in actual operation, after the alternating current of 220V/380 is added to the input filter 2, the alternating current is output to the demagnetization controller 3, the output frequency and the output voltage of the demagnetization controller 3 are adjusted and set through the frequency adjusting circuit 4 and the voltage adjusting circuit 5, the alternating magnetic field with certain frequency and certain magnetic induction intensity is generated in the demagnetization coil 7, the demagnetization product passes through the demagnetization coil 7, the strong magnetic field with certain frequency is applied to the demagnetization product, the size and the direction of the magnetic field applied to the demagnetization product are changed along with the movement of the demagnetization product, the magnetic domain in the demagnetization product is disordered, and the purpose of demagnetization is achieved.
In another kind of example, demagnetization coil is configured as adopting enamelled copper line, two silk package copper line coiling in order to obtain, be provided with the matched with iron core in the demagnetization coil, in actual operation, demagnetization coil adopts the coil with enamelled copper line, two silk package copper line coiling, and it can add the iron core inside to produce the demagnetization field that frequency and magnetic field are adjustable in demagnetization coil or on the plane, realize the demagnetization to the product.
The invention solves the problem of EMC by adding the input and output filter, realizes the adjustment of the frequency and the magnetic field size of the demagnetization magnetic field by adding the demagnetization controller with separable frequency and voltage, has better adaptability and practicability, and greatly reduces the demagnetization power by frequency conversion.
The above embodiments are merely illustrative of a preferred embodiment, but not limiting. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (4)
1. The utility model provides a frequency-voltage separation adjustable energy-efficient demagnetizer which characterized in that includes:
the demagnetization controller is electrically connected with the power supply;
the demagnetization coil is used for carrying out demagnetization treatment on the equipment;
wherein the demagnetization controller is configured to include:
a frequency converter;
the V/F circuit and/or the F/V circuit are matched with the frequency converter to realize frequency and voltage separation or conversion;
and a frequency regulating circuit and a voltage regulating circuit which are used for respectively regulating the output frequency and the output voltage are also arranged between the demagnetization coil and the demagnetization controller.
2. The efficient energy-saving demagnetization device with adjustable frequency and voltage separation as claimed in claim 1 wherein a matched input filter is further arranged between the power supply and the demagnetization controller;
and the input end of the demagnetization coil is also provided with a matched output filter.
3. The efficient and energy-saving demagnetization device with adjustable frequency and voltage separation as claimed in claim 1, wherein the demagnetization coil is configured to be wound by enameled copper wires or double-wire enameled copper wires.
4. A high-efficiency energy-saving demagnetizing device with adjustable frequency and voltage separation as recited in claim 3, wherein said demagnetizing coils are provided with iron cores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120741263.3U CN214505175U (en) | 2021-04-12 | 2021-04-12 | Efficient energy-saving demagnetizer with adjustable frequency and voltage separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120741263.3U CN214505175U (en) | 2021-04-12 | 2021-04-12 | Efficient energy-saving demagnetizer with adjustable frequency and voltage separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214505175U true CN214505175U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120741263.3U Expired - Fee Related CN214505175U (en) | 2021-04-12 | 2021-04-12 | Efficient energy-saving demagnetizer with adjustable frequency and voltage separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214505175U (en) |
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2021
- 2021-04-12 CN CN202120741263.3U patent/CN214505175U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211026 |
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| CF01 | Termination of patent right due to non-payment of annual fee |