KR100354137B1 - A Electro-Type Agitator And Operating Method Thereof - Google Patents

Abstract

The present invention relates to an electronic stirrer and a method of operating the same for agitating chemicals contained in chemical containers. To this end, a plurality of first wires 22 wound spirally on one surface are arranged at equal intervals along the circumferential direction, and the second wires 24 having the same shape as the first wires 22 are arranged in the circumferential direction. A PCB stirring module 20 disposed between each of the first wires 22; And control means 52 for controlling to alternately supply power to the first wiring 22 and the second wiring 24. Here, the bar magnet 50 inside the chemical vessel 1 placed on the PCB stirring module 20 by a magnetic field alternately formed in the first wiring 22 and the second wiring 24 is rotated. Let's go. Due to this, the electronic stirrer is not only semi-permanent in life, but also has the effect of reducing noise and vibration to the maximum and lowering the production cost and defect rate to the maximum.

Description

Electronic Agitator and Its Operation Method {A Electro-Type Agitator And Operating Method Thereof}

The present invention relates to a stirrer and a method of operating the same, and more particularly, to an electronic stirrer and a method of operating the electronic stirrer for stirring the contents contained in the chemical vessel using a bar magnet.

1 is a schematic perspective view of a conventional mechanical stirrer used for stirring chemicals. As shown in Figure 1, looking at the configuration of a conventional mechanical stirrer as follows. That is, two or more chemicals (2) to be stirred are contained in the chemical container (1) such as a flask, and the rod magnet (3), which is a permanent magnet, is a container (1) to stir these chemicals (2). ) Put it inside. Under the chemical container 1, a protective plate 4 for supporting the container 1 is provided.

A lower portion of the protection plate 4 is provided with a driven pulley 5 made of aluminum, which is rotatably installed around the rotation shaft 10. The first permanent magnet 6 and the second permanent magnet 7 having a coin size are fixed to positions on the plane of the driven pulley 5 opposite to each other based on the center of rotation. The drive pulley 11 connected to the rotating shaft of the motor 9 transmits the decelerated rotational force to the driven pulley 5 using the belt 8.

Looking at the operation of such a conventional mechanical stirrer as follows. First, power is supplied to the motor 9 to rotate the drive pulley 11 in one direction. The rotational force of the drive pulley 11 is transmitted to the driven pulley 5 via the belt 8. As the driven pulley 5 rotates about the rotation shaft 10, the magnetic fields of the first and second permanent magnets 6 and 7 are transmitted to the bar magnet 3 inside the chemical container 1 through the protection plate 4. do. The bar magnet 3 starts to rotate under the influence of the rotating magnetic field and stirs the chemicals 2.

2 is a schematic perspective view of a conventional mechanical stirrer capable of simultaneously stirring a plurality of chemical containers. As shown in FIG. 2, a plurality of chemical containers 1 are selectively placed over the partitioned matrix 12. The chemical vessel (1) inside the chemical to be stirred (2) and the bar magnet (3) is contained.

At each lower part of the partitioned matrix 12, the driven pulley 5 is rotatably provided, respectively. One side of the plurality of driven pulleys 5 is provided with a motor 9 provided with a drive pulley 11. The plurality of driven pulleys 5 and the driving pulleys 11 are all mechanically connected by one belt 8.

Therefore, when the motor 9 rotates, the rotational force is transmitted to all driven pulleys 5 through the drive pulley 11. The rotating driven pulley 5 supplies the magnetic field to the chemical container 1 by the first and second permanent magnets 6 and 7 in the same principle as above. The bar magnet 3 rotates under the influence of the rotating magnetic field, and the chemical agent 2 is stirred.

However, according to the conventional mechanical stirrer shown in Figs. 1 and 2, since many drive parts are included, there is a disadvantage in that the production cost is high, the defect rate is high, and the life is short due to mechanical contact. In addition, the rotation of the motor, belt, pulleys were inconvenient to generate vibration and noise. In addition, in the case of the stirrer shown in Figure 2 there was a problem that the whole stirrer does not operate when the belt is broken.

The present invention has been made to solve the above problems, it is an object of the present invention to provide an electronic stirrer and a method of operation of the vibration and noise due to mechanical operation.

It is still another object of the present invention to provide an electronic stirrer and a method of operating the semi-permanent electronic device which have fewer failures and have a longer service life by minimizing the number of parts compared to a mechanical stirrer.

The object of the present invention as described above is that a plurality of first wirings wound in a spiral shape on one surface are arranged at equal intervals along the circumferential direction, and the second wiring 24 having the same shape as the first wiring is arranged in the circumferential direction. A PCB stirring module disposed between each of the first wires; And control means for controlling to alternately supply power to the first wiring and the second wiring; and on the PCB stirring module by a magnetic field formed alternately between the first wiring and the second wiring. It is achieved by an electronic stirrer, characterized by rotating the rod magnet inside the chemical vessel to be placed.

The first wiring and the second wiring each have a fan shape, and each wire is preferably wound several times in a spiral shape from the outside of the fan to the center of the fan.

In addition, a plurality of ring wires including the plurality of first wires and the plurality of second wires are further formed on one surface of the PCB stirring module, and one end of the first wire has a first power supply positive electrode (+). It is connected to the ring wiring, the other end of the first wiring is connected to the first power negative (-) ring wiring, one end of the second wiring is connected to the second power positive (+) ring wiring, the second wiring The other end of may be connected to the second power negative ring (-) wiring.

In addition, a protective plate on which the chemical container is placed is further disposed between one surface of the PCB stirring module and the chemical container.

In addition, it is most preferable that an iron core for increasing the strength of the magnetic field is further formed on the PCB stirring module in a central region surrounded by the plurality of first and second wirings.

Preferably, the control means 52 supplies a DC power in the range of -24 kV to +24 kV.

The object of the present invention as described above is also, a plurality of the first wiring wound in a spiral shape on one surface is arranged at equal intervals along the circumferential direction, the second wiring of the same shape as the first wiring is formed along the circumferential direction A PCB stirring module disposed between the first wiring lines; A PCB stirring set formed with the PCB stirring modules electrically connected to at least two on the same plane; And control means for controlling to alternately supply power to the first wiring and the second wiring; and on the PCB stirring set by a magnetic field alternately formed between the first wiring and the second wiring. It is achieved by an electronic stirrer, characterized in that to rotate the rod magnet inside the plurality of chemical vessels to be placed.

The PCB stirring module has a quadrangular shape, and terminals at each side of the quadrangle are electrically connected to both ends of the first wiring and both ends of the second wiring, respectively. It is preferred to be in electrical contact with.

The object of the present invention as described above also comprises the steps of: supplying power to a plurality of first wirings 22 arranged at equal intervals on the circumference; After a predetermined time, shutting off the power of the first wiring and supplying power to the second wiring provided between the first wirings; And after a predetermined time, it may be achieved by the operation method of the electronic stirrer comprising the step of shutting off the power of the second wiring, and performing again from the step S10.

1 is a schematic perspective view of a conventional mechanical stirrer used for stirring chemicals,

Figure 2 is a schematic perspective view of a conventional mechanical stirrer capable of stirring a plurality of chemical vessels at the same time,

3 is a plan view of a PCB stirring module used in the electronic stirrer according to the first embodiment of the present invention;

4 is a perspective view schematically showing a state of use of the electronic stirrer using the PCB stirring module shown in FIG.

5 is a perspective view schematically showing a state of use of the electronic stirrer using a plurality of PCB stirring module according to a second embodiment of the present invention;

Figure 6 is a plan view of another embodiment of a PCB stirring module used in the present invention.

Hereinafter, the configuration of the embodiments of the present invention will be described.

3 is a plan view of a PCB stirring module 20 used in the electronic stirrer according to the first embodiment of the present invention. As shown in FIG. 3, the PCB agitation module 20 has a first wiring 22, a second wiring 24, a ring wiring 42, 44, 46, and 48, and electrode terminals 34, 36, and 38. , 40).

The printed circuit board (PCB) of the present invention includes a printed circuit board in a narrow sense, but is not limited thereto, and includes a thin film, a plastic board, etc., in which a plurality of wires can be designed and arranged to form a strong magnetic field. to be.

One of the first wirings 22 has a fan shape as a whole. The wires are spirally wound from the outer edge of the fan to the center of the fan. Therefore, one end is connected to the ring electrode and the other end is connected to one end of another first wiring 22. The first wires 22 are spaced at equal intervals, with three being spaced 120 degrees from the center. The three first wires 22 are all electrically connected.

The second wiring 24 has the same shape as the first wiring 22 and is located between the first wirings 22. Therefore, the two second wirings 24 are spaced at equal intervals with three spaced 120 degrees from the center. The three second wirings 24 are all electrically connected.

The first wiring 22 and the second wiring 24 are alternately arranged to form a circular shape. The first wiring 22 is connected to the first power source, and the second wiring 24 is the second power source. Are not electrically connected to each other.

The ring wirings 42, 44, 46 and 48 are provided on the periphery of these six wires in total. The ring wiring includes a first power supply anode ring wiring 48 for the positive power (+) of the first power supply, a first power supply cathode ring wiring 46 for the negative electrode (−) of the first power supply, and a positive electrode of the second power supply ( The second power supply positive electrode ring wiring 44 for +) and the second power supply negative electrode ring wiring 42 for the negative electrode (-) of the second power supply. A total of four ring wires are arranged on concentric circles and spaced apart by a predetermined interval to prevent mutual short circuits.

The PCB stirring module 20 has a rectangular shape as a whole, and the terminals of the power supply are provided on each side of the square. That is, taking one side as an example, the second power source positive terminal 34 (A +) for the positive pole of the second power source, the second power source negative terminal 36 (A-) for the negative pole of the second power source, A first power supply positive terminal 38 (B +) for the positive electrode, and a first power supply negative terminal 40 (B-) for the negative electrode of the first power supply.

The second power supply positive electrode terminal 34 (A +) is connected to the second power supply positive electrode ring 44, and the second power supply negative electrode terminal 36 (A−) is connected to the second power supply negative electrode ring 42. The first power supply positive electrode terminal 38 (B +) is connected to the first power supply positive electrode ring 48 and the first power supply negative terminal 36 (B-) is connected to the first power supply negative electrode ring 46. .

One end of the first wiring 22 is connected to the first power supply anode ring wiring 48, and the other end of the first wiring 22 is connected to the first power supply cathode ring wiring 46. One end of the second wiring 24 is connected to the second power supply positive ring wiring 44, and the other end of the second wire 24 is connected to the second power supply negative ring wiring 48.

4 is a perspective view schematically showing a state of use of the electronic stirrer using the PCB stirring module shown in FIG.

As shown in FIG. 4, the chemical container or solution 2 and the bar magnet 50, which are permanent magnets, are included in the chemical container 1. The lower portion of the chemical vessel (1) is provided with a protective plate 51 for supporting and supporting the chemical vessel (1). The protective plate 51 may be made of a thin plastic material.

A PCB stirring module 20 is provided below the protection plate 51, and the second power supply positive electrode terminal 34, the second power supply negative electrode terminal 36, and the first power supply positive electrode terminal 36 are disposed outside the module 20. ), The first power supply negative electrode terminal 38 is extended.

The control means 52 alternately supplies power to the first power supply and the second power supply. The control means 52 may be configured in a circuit by combining a microcomputer (not shown), a dedicated IC (not shown), a transistor (not shown). Since such a circuit is a technical matter that is extremely easy for a person having ordinary skill in the art, a detailed description thereof will be omitted herein.

And, by adjusting the cycle of the power supply can be easily adjusted the number of revolutions of the bar magnet (50). That is, if the cycle of power supply is short, the bar magnet 50 rotates at high speed, and if the cycle is long, the bar magnet 50 rotates at low speed. This period can be adjusted by the microcomputer (not shown) by counting pulses.

The control means 52 receives power from the external power source 54 and supplies direct current within the range of -24V to + 24V to the first wiring 22 and the second wiring 24.

Hereinafter, the operation method of the electronic stirrer according to the present invention configured as described above, supplying power to the plurality of first wirings 22 arranged at equal intervals on the circumference (S10); After a predetermined time, shutting off the power of the first wiring 22 and supplying power to the second wiring 24 provided between the first wirings 22 (S20); And after a predetermined time, it may be configured to cut off the power of the second wiring 24, and performing again from the step S10 (S30).

In more detail, the power supplied from the external power source 54 is supplied to only the first power source for a predetermined period of time while passing through the control means 52, and then to the second power source for the predetermined period of time. do.

The direct current supplied to the first power source is supplied to the first power source anode ring wiring 48 and the first power source cathode ring wiring 46 through the first power source anode terminal 38 and the first power source cathode terminal 40. The electricity supplied to the first power supply anode ring wiring 48 and the first power supply cathode ring wiring 46 forms a strong magnetic field via all three first wirings 22.

In the same manner, the direct current supplied to the second power supply is connected to the second power supply anode ring wiring 44 and the second power supply cathode ring wiring 42 through the second power supply positive terminal 34 and the second power supply negative terminal 36. Is supplied. The electricity supplied to the second power supply positive ring wiring 44 and the second power supply negative ring wiring 42 forms a strong magnetic field via all three second wirings 24.

The strong magnetic field formed by the first wiring 22 and the second wiring 24 at a time interval rotates the bar magnet 50 by a predetermined angle (about 60 degrees). The rotation principle of the bar magnet 50 can be said to be similar to the driving principle of a stepping motor (not shown).

5 is a perspective view schematically showing a state of use of the electronic stirrer using a plurality of PCB stirring module 20 according to a second embodiment of the present invention. As shown in Figure 5, the PCB stirring module 20 can be interconnected on the same plane. That is, as shown in Figure 5, by arranging three rows in a row, three columns vertically (3X3), a total of nine PCB stirring modules 20 can be configured as one PCB stirring set 60. This arrangement can be varied to 1X5, 5X5 or the like as needed. And the PCB stirring module 20 between the terminal wiring 62 is connected to each other to be electrically connected.

The control means 52 and the external power source 54 are the same as in the first embodiment shown in FIG. In addition, between the upper portion of the PCB stirring set 60 and the chemical vessel 1, a matrix 56 in which a plurality of partition lines 58 are drawn to guide the position of the PCB stirring module 20 is located.

Therefore, when power is alternately supplied to each PCB stirring module 20, the bar magnet 50 inside the chemical container 1 selectively placed thereon rotates on the same principle. The dividing line 58 serves to guide the chemical container 1 to be centered on the PCB stirring module 20.

Figure 6 is a plan view of another embodiment of a PCB stirring module used in the present invention. The difference from the PCB stirring module 20 shown in FIG. 3 is that the iron core 72 is provided in the center region surrounded by the first wiring 22 and the second wiring 24. The iron core 72 is located at the center of the magnetic field is formed to serve to amplify the magnetic field. Therefore, the bar magnet 50 can be rotated more smoothly by the iron core (72).

In the disclosed embodiment of the present invention, only three first wires and three second wires are used, but the number of each wire can be increased or reduced in the same number depending on the performance of the required agitator.

In addition, in FIG. 5 of the present application, a plurality of PCB stirring modules are arranged on the same plane, but a plurality of PCB stirring modules may be stacked up and down in order to form a stirrer generating a stronger magnetic field.

Therefore, according to the electronic stirrer and its operation method according to the present invention as described above, there is no vibration and noise due to mechanical operation during stirring, and fewer failures and lifespan is semi-permanent because there are fewer parts than mechanical stirrers. Due to these features, the manufacturing cost is low, and of course, the production efficiency is increased.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it is possible to make various modifications or variations without departing from the spirit and scope of the invention. Accordingly, the appended claims will cover such modifications and variations as fall within the spirit of the invention.

Claims (9)

A plurality of first wires 22 wound in a spiral shape on one surface are arranged at equal intervals along the circumferential direction, and second wires 24 having the same shape as the first wires 22 are formed along the circumferential direction. A PCB stirring module 20 arranged between each of the wirings 22; And Control means (52) for controlling to supply power alternately to the first wiring (22) and the second wiring (24), including the first wiring (22) and the second wiring (24). Electronic stirrer, characterized in that for rotating the bar magnet (50) inside the chemical vessel (1) placed on the PCB stirring module (20) by the magnetic field formed alternately. 2. The first and second wirings 22 and 24 have a fan shape, respectively, and each of the wires 22 and 24 is formed in a spiral shape from the outside of the fan shape toward the center of the fan shape. Electronic stirrer, characterized in that wound several times. According to claim 1 or 2, On the one side of the PCB stirring module 20, a plurality of ring wirings 42, including the plurality of first wirings 22 and the plurality of second wirings 24 therein 44, 46, 48), One end of the first wiring 22 is connected to the first power supply positive ring wiring 48, the other end of the first wiring 22 is connected to the first power supply negative ring wiring 46, One end of the second wiring 24 is connected to the second power supply positive ring wiring 44, the other end of the second wiring 24 is connected to the second power supply negative ring wiring 48 agitator. The electronic stirrer according to claim 1, further comprising a protective plate (51) on which the chemical container (1) is placed between one surface of the PCB stirring module (20) and the chemical container (1). The iron core 72 of claim 1, wherein the core core 72 increases the strength of the magnetic field in a central region surrounded by the plurality of first wirings 22 and the plurality of second wirings 24 on the PCB stirring module 20. An electronic stirrer, characterized in that further formed. 2. Electronic stirrer according to claim 1, characterized in that the control means (52) supplies a direct current power in the range of -24 kW to +24 kW. A plurality of first wires 22 wound in a spiral shape on one surface are arranged at equal intervals along the circumferential direction, and second wires 24 having the same shape as the first wires 22 are formed along the circumferential direction. A PCB stirring module 20 arranged between each of the wirings 22; A PCB stirring set 60 formed with the PCB stirring module 20 electrically connected to at least two on the same plane; And Control means (52) for controlling to supply power alternately to the first wiring (22) and the second wiring (24), including the first wiring (22) and the second wiring (24). Electronic stirrer, characterized in that for rotating the bar magnet (50) in the plurality of chemical vessels (1) placed on the PCB stirring set (60) by an alternating magnetic field. The method of claim 7, wherein the PCB stirring module 20 has a rectangular shape, Each side of the quadrangle is formed with terminals 34, 36, 38, and 40 electrically connected to both ends of the first wiring 22 and both ends of the second wiring 24, respectively, to provide adjacent PCB stirring modules. An electronic stirrer, wherein the electronic stirrer is in electrical contact with the terminal of (20). Supplying power to the plurality of first wires 22 arranged at equal intervals on the circumference (S10); After a predetermined time, shutting off the power of the first wiring 22 and supplying power to the second wiring 24 provided between the first wirings 22 (S20); And After a predetermined time, the operation of the electronic stirrer, characterized in that the step of shutting off the power of the second wiring (24), and performing again from the step S10 (S30).