KR101764738B1

KR101764738B1 - Eddy current boiler using laminated disc rotor

Info

Publication number: KR101764738B1
Application number: KR1020150160980A
Authority: KR
Inventors: 홍복식
Original assignee: 주식회사 에너테크
Priority date: 2015-11-17
Filing date: 2015-11-17
Publication date: 2017-08-04
Also published as: KR20170057632A

Abstract

According to the present invention, by using the disk laminated rotor, the machining cost of the rotor can be remarkably reduced, the magnitude of the moment of inertia can be reduced, the torque and the load on the motor can be reduced and the efficiency can be increased, and a plurality of rotors can be divided into two motors Current boiler that can reduce the load of the motor and the driving water by varying the range of the hot water.

Description

TECHNICAL FIELD [0001] The present invention relates to an EDDY CURRENT BOILER USING LAMINATED DISC ROTOR,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a boiler, and more particularly, to a boiler, and more particularly, to a boiler wherein more than one eddy current is generated in a metal water pipe disposed around the rotor when rotating a rotor in which a plurality of permanent magnets are disposed, To an eddy current boiler using permanent magnets.

Conventionally, coal, heavy oil, and liquefied gas are used as energy sources for boilers to obtain hot water, and they cause air pollution due to toxic exhaust gas.

Recently, researches on heat generation devices using alternative energy such as wind power have been actively carried out. Among them, development of a heater using an eddy current (Transactions of the Korean Society of Mechanical Engineers B, Vol. 33, No. 8, pp. 565 ~ 572, 2009), Korean Patent Publication No. 10-2012-0109210 System) and Korean Patent Laid-Open No. 10-2012-0130881 (a heating and cooling system using an eddy current induction heating device that minimizes an input load).

Eddy current refers to a current generated in the form of a vortex in order to suppress the change of the magnetic field due to the electromagnetic induction phenomenon on a conductor within an alternating magnetic field. Such eddy currents have a braking effect due to the formation of a magnetic field in a direction that interferes with the motion of the magnetic body, such as a permanent magnet.

The prior art commonly discloses a technique for rotating the permanent magnet to cause an eddy current in a metal water pipe disposed around the metal pipe and heating the metal water pipe by the eddy current to obtain hot water.

However, in the above-mentioned prior art, there is a problem that the braking force (load) largely acts on the rotation of the rotor made of the permanent magnet by forming the metal water pipe into a cylindrical outer cylinder.

In order to solve the problems of the prior art, the prior art references disclose a method of manufacturing a rotor having a plurality of permanent magnets as rotors, arranging a plurality of metal straight rotors around the rotors, Circular pipe, a tube or the like for minimizing the load by reducing the area close to the magnet portion. However, since the magnet portion is fastened to the rotating shaft in a fan shape, There is a problem that the magnet portion is attached with a long tube in the longitudinal direction so that the magnet portion is easily overheated as well as a lot of cost is required when replacing a part of the magnet portion. Further, since the structure is difficult to obtain sufficient hot water, it is difficult to commercialize it as a hot water boiler .

In order to solve the above-mentioned problems, the inventor of the present invention has found that, by dividing a rotor into a plurality of rotors, forming a plurality of coalescing grooves on the outer circumference of each rotor, and applying eddy current heat (See Korean Patent Publication Nos. 10-2015-0046877 and 10-2015-0047121).

However, the eddy current heating apparatus drives a plurality of rotors by a single motor or the like, so that the more the number of hot water pipes arranged around the rotor and the rotor, the more load is required.

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the problems of the conventional art as described above, and it is an object of the present invention to reduce the load, to vary the range of the hot water and to save the driving power by driving a plurality of rotors divided into two motors, It is an object of the present invention to provide an eddy current boiler using permanent magnets that can significantly reduce the processing cost of a rotor by using electrons.

In order to achieve the above object, an eddy current boiler according to the present invention includes a rotating shaft for transmitting power, a plurality of grooves formed at predetermined intervals along the circumferential direction and inserted into the rotating shaft, alternating N and S poles in the radial direction And a plurality of metal water pipes arranged at predetermined intervals along the circumferential direction and spaced a predetermined distance in the radial direction from the rotors and providing heated hot water by eddy currents, heat transmitter; A left and right support panel for inserting and supporting the eddy current heat exchanger on both sides of the rotation shaft and the metal water pipes from the left and right sides; And a cold water reservoir and a hot water reservoir which are provided on the left side of the left support panel and the right side of the right support panel to surround the inlet or outlet of the metal water pipes, Wherein the plurality of discs are arranged in a circumferential direction and each of the plurality of discs is arranged in an oblique direction having a predetermined angle or in a direction parallel to the axial direction of the rotary shaft, Wherein a plurality of circular groove grooves are formed in a shape of a broad collimated light and the plurality of grooves are formed in a shape of the collimated light by overlapping the plurality of circular plate groove grooves, And is slid in the longitudinal direction of the groove at the side surface of the plurality of grooves , The left and covering the lower part of the right retaining ring plate is in a fixed feature.

A part of the plurality of discs is formed with a shaft insertion through hole having a middle key groove so as to be coupled to the rotation shaft to receive power and the remaining part has a predetermined area so as to form the plurality of grooves, Wherein the rotor is formed with an inertia moment attenuating through hole having a size larger than that of the shaft insertion through hole and the rotors are respectively coupled to the left and right sides of the left, And a right fixed ring plate, which constitute the eddy current boiler according to the present invention.

delete

Wherein the plurality of discs are formed so that at least two discs having the shaft insertion through-holes are stacked on both sides with one or more discs having the moment of inertia moment through holes formed therebetween to form the plurality of grooves, .

The eddy current heat exchanger further includes a separation support panel between the left and right support panels and is divided into left and right heat exchangers. The rotary shaft is divided into left and right rotation shafts to independently transmit power to the left and right heat exchangers Wherein the left rotation axis is engaged with a part of the rotors so as to be rotatably inserted into the left side of the separation support panel in a state of passing through the left support panel and the right rotation axis passes through the right support panel The other of the rotors is fastened to be rotatably inserted into the right side of the separation supporting panel and the metal water pipes penetrate the separation supporting panel and are commonly used for the left and right heat exchangers. Other characteristics of eddy current boilers.

The separate support panel further includes bearing brackets mounted on both sides of the ends of the left and right rotary shafts.

The left and right rotary shafts are divided into two or three of the rotors, respectively, and the metal water pipes are composed of 50 to 64 copper pipes, which is another characteristic of the eddy current boiler according to the present invention.

The rotors are formed by stacking eight aluminum discs each having a thickness of 5 mm, which is another feature of the eddy current boiler according to the present invention.

The eddy current boiler according to the present invention is characterized in that the eddy current boiler includes a rotary shaft for transmitting power, a plurality of grooves formed at regular intervals along the circumferential direction of the rotary shaft, two permanent magnets alternately arranged in the radial direction, And an eddy current heat exchanger including a plurality of metal water pipes spaced apart from the rotors by a predetermined distance in the radial direction and arranged at predetermined intervals along the circumferential direction to provide hot water heated by eddy currents; A left and right support panel for inserting and supporting the eddy current heat exchanger on both sides of the rotation shaft and the metal water pipes from the left and right sides; And a cold water tank and a hot water tank provided at the left side of the left support panel and at the right side of the right support panel to surround the inlet or outlet of the metal water pipes, wherein the eddy current heat exchanger includes left and right support Wherein the left and right heat exchangers are separated from each other by a left and a right rotary shaft so as to independently transmit power to the left and right heat exchangers, Wherein a part of the rotors is engaged and rotatably inserted into the left side of the separation supporting panel in a state of penetrating through the support panel and the right rotation axis passes through the right support panel, And is rotatably inserted into the right side of the separation supporting panel, To not pass through the panel characterized in that adapted to be used in common to said left and right heat.

Wherein the left and right rotation shafts are connected to each other by a plurality of shaft rods having different diameters in the longitudinal direction, wherein a power transmission key groove is formed in the first shaft rod having the smallest diameter among the shaft rods, The second shaft bar having a larger axial length is connected to the first shaft bar, a stepped groove is formed on one side of the first shaft rod side, a rotor fixing key groove is formed in the screw groove in the longitudinal direction, A third shaft rod having a diameter larger than that of the second shaft rod is connected to the end of the rotor fixing key groove to have a predetermined length and the end of the third shaft rod has a diameter equal to the diameter of the first shaft rod or the second shaft rod. The other end of the eddy current boiler according to the present invention is connected to the four-axis bar.

Wherein the rotors are inserted and fastened to the left and right rotatable shafts through a shaft insertion hole and a key groove formed at the center after inserting the rotor fixing key into the rotor fixing key groove, The cylindrical spacing member having a diameter larger than that of the biaxial bar is interposed between the rotors and inserted in the same manner as the rotors, and then the nut is fastened to the screw groove to be fixed to the left and right rotating shafts. .

Wherein the left and right support panels have the same shape and have a plurality of through holes into which the left and right rotation shafts and the metal water supply pipes are inserted and a plurality of bolt fastening holes formed on the one side of the cold water tank or the hot water tank, Right support body; A water leakage preventing plate formed between each of the supporting bodies and the cold water tank or the hot water tank and having a plurality of through holes at positions corresponding to the through holes and the bolt fastening grooves of the supporting body; And a plurality of O-rings sandwiched between both ends of the metal water pipes, between the respective support bodies and the water leakage prevention plate, according to another embodiment of the present invention.

Wherein the cold water tank and the hot water tank have the same inner and outer flanges on the same plane, respectively, and the watertight ring plates having different diameters are further fastened between the inner and outer flanges and the waterproof plate. Other characteristics of eddy current boilers.

The left and right support bodies are respectively provided with a plurality of O-ring insertion grooves for inserting the O-rings on the opposite sides of the bearing insertion grooves on the surfaces facing the rotors, respectively, in another aspect of the eddy current boiler according to the present invention.

The rotors and the metal water pipes are spaced apart by 3 to 7 mm in the radial direction and the permanent magnet is a samarium cobalt (SmCo) magnet.

A plurality of first spacing rods are fastened between the left support panel and the separation support panel and a plurality of second spacing rods are fastened between the separation support panel and the right support panel and fastened to the left and right rotation shafts The length of the first space retaining rods and the length of the second space retaining rods are different from each other due to the difference in the number of the rotors, which is another feature of the eddy current boiler according to the present invention.

According to the present invention, by using the disk laminated rotor, the machining cost of the rotor can be remarkably reduced, the magnitude of the moment of inertia can be reduced, the torque and the load on the motor can be reduced and the efficiency can be increased, and a plurality of rotors can be divided into two motors By separating the motor into the left and right rotary shafts for driving, the load of the motor can be lowered, the hot water range can be varied, and the driving power can be saved.

1 is a perspective view showing an eddy current boiler according to an embodiment of the present invention.
2 is an exploded perspective view of FIG.
3 is a perspective view showing a configuration of the eddy current heat exchanger of FIG.
4 is a partially exploded perspective view of Fig.
5 is an exploded perspective view showing a state in which a plurality of rotors are fastened to the right and left rotation shafts in FIG. 4 and a state in which the left and right rotation shafts are inserted into the separation and support panel.
6 (a) and 6 (b) are sectional views taken along line AA 'before and after the left and right rotary shafts are inserted into the separation / support panel in FIG. 5, respectively.
FIG. 7 is an exploded perspective view showing a state in which the left and right rotation shafts are inserted into the separation and supporting panel in FIG. 5; FIG.
8 is an exploded perspective view of a rotor according to an embodiment of the present invention.
Fig. 9 is a perspective view showing a state of the rotor fastened with the configuration of Fig. 8; Fig.
10 is a sectional view taken along the line BB 'in Fig.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

The eddy current boiler according to an embodiment of the present invention includes an eddy current heat exchanger 100, a left and right side heat exchanger 100 for supporting the eddy current heat exchanger 100 on both sides, as illustrated in FIGS. 1, 2 and 8 to 10, A cold water tank and a hot water tank 1100 and 1200 provided to surround the right or left support panel 310 and the left support panel 310 and the right side of the right support panel 320, .

The eddy current heat exchanger 100 may be composed of means for rotating the permanent magnet in various forms and one or more metal feed pipes disposed around the rotating permanent magnet to provide hot water by eddy current, As illustrated in FIG. 4, a predetermined rotational shaft 110 (140) for transmitting power; 120A and 120B alternately arranged in a plurality of grooves formed at predetermined intervals along the circumferential direction and inserted into the rotating shaft and the permanent magnets 125 are oriented in the radial direction to the north pole or the south pole, ; And a plurality of metal water pipes 130 spaced apart from the rotors by a predetermined distance in the radial direction and disposed at regular intervals along the circumferential direction, A plurality of circular plates 122A to 122H having a predetermined thickness t are laminated and a peripheral groove 123 'between saw blade projections 123 formed along the edge of each circular plate is overlapped with a neighboring circular plate, It is preferable that the permanent magnets 125 having a predetermined length L are formed to form the plurality of grooves so that the permanent magnets 125 can be inserted.

Thus, by forming each of the rotors 120 by stacking a plurality of discs 122A to 122H each having a predetermined thickness t, there is an effect of drastically reducing the rotor machining cost. For example, in order to fasten the permanent magnet 125 having a length L of 40 mm, the thickness of the rotor 120 must be 40 mm or more. In order to integrate each rotor into a single body, 8, the rotors 120 were fabricated by cutting a thin aluminum plate having a thickness of 5 mm into eight circular plates 122A to 122H by laser machining, as shown in FIG. 8, As shown in FIG. 9, the machining cost for making the same five rotors is only 360,000 won when stacked, so that the machining cost can be reduced by 80%, and the precision machining can be performed by laser machining and the machining time is shortened .

In some of the plurality of discs (for example, 122A, 122B, 122G, and 122H in FIG. 8), a shaft insertion through hole 121 having a middle key groove is formed so as to be coupled to the rotation shaft to receive power, (For example, 122C, 122D, 122E, and 122F in FIG. 8) are formed with a predetermined area (frame area) so as to form the plurality of grooves, in the box such that the moment of inertia, damping through-holes 121 'formed with R _1> R ₀₎ is preferred.

As described above, some of the plurality of discs constituting the rotor 120 have inertia moment attenuating through holes 121 'in which the inside is removed, so that in the embodiment of FIG. 8, It is possible to reduce the moment of inertia I of the rotor 120, the torque tau and the rotational kinetic energy E _k so as to reduce the load and power consumption of the motor fastened to the rotating shafts 110 and 140 So that the overall efficiency of the eddy current heat exchanger 100 can be increased as a result.

In the above equations (1) to (3), M is the mass of the disc (e.g., 122A in Fig. 8) in which the shaft insertion hole 121 is formed,? Is the angular acceleration, and? Is the angular velocity.

122A, 122B, 122G and 122H in Fig. 8) and the inertia moment damping through hole 121 '(in Fig. 8, 122C, 122C and 122D) in which the shaft insertion through- 122D, 122E and 122F may be varied in order. For example, the two types of original discs may be alternately stacked, and one or more discs (in the embodiment of FIG. 8, four discs) having inertia moment damping through holes 121 ' Two or more original plates (122A, 122B, 122G, and 122H in the embodiment of FIG. 8) in which the shaft insertion through holes 121 are formed are sandwiched between the right and left side plates 122C, 122D, 122E, They may be stacked two by two as in the embodiment.

8 to 10, the plurality of discs 122A to 122H may be interposed between the two discs, and the permanent magnets may be provided on both sides of the discs 122A to 122H, It is preferable to fasten it with a predetermined bolt 126 and a nut 128 together with the left and right fixing ring plates 124 for fixing the left and right fixing ring plates. In the latter case, a plurality of bolts 126 are fitted on the bottom of the through hole 129 of the left fixed ring plate 124, the bolts 126 are protruded, a plurality of circular plates 122A to 122H are stacked, The bolts are inserted into the holes 127 and the permanent magnets 125 are inserted into the plurality of grooves formed by overlapping the peripheral grooves 123 'of the plurality of circular plates in the radial direction while changing the polarity, Since the nuts 128 are fastened to the through holes 129 by inserting the ring plate 124 and the bolts 126 and the nuts 128 are fastened to the through holes 129, separate fastening means for fastening the plurality of circular plates 122A to 122H There is an advantage not required.

The shape of the plurality of grooves of the rotor 120 formed by overlapping the circumferential grooves 123 'of the plurality of circular plates 122A to 122H may be various, but the shape of the plurality of grooves in the radial direction So that the permanent magnets 125 fastened to the grooves at the time of rotation are not separated. For this purpose, the plurality of discs 122A to 122H are respectively disposed along the circumferential direction and in a direction parallel to the axial direction of the rotating shafts 110 and 140, or in an oblique direction having a predetermined angle and in a radial direction, It is preferable that a plurality of disk peripheral grooves 123 'are formed in a shape of a lower light. In this case, the permanent magnets 125 may be manufactured to correspond to the shapes of the plurality of grooves formed by overlapping the peripheral grooves 123 ', and may be slid in the longitudinal direction of the grooves in the plurality of grooves. Each of the left and right fixed ring plates 124 preferably has an outer diameter that is sized to cover and fix a lower portion of the permanent magnet 125, that is, to protrude higher than the bottom of the groove, as shown in FIG.

In the above-described embodiments, the eddy current heat exchanger 100 is not shown in the accompanying drawings, but two or more rotors 120 are coupled to one rotating shaft for transmitting power, and the single eddy current heat exchanger 100 is operated as one heat exchanger .

1 to 7, the eddy current heat exchanger 100 further includes a separation and support panel 300 between the left and right support panels 310 and 320 so that the left and right heat exchangers 100A and 100B ) So as to operate as two independent motors.

In the latter case, the rotary shaft is separated from the left and right rotary shafts 110 and 140 so as to independently transmit power to the left and right heat exchangers 100A and 100B, 1 and 5, a part 120A of the rotors is fastened to the left support panel 310, and the rear end of the rotatable support panel 300 is rotated to the left of the separation support panel 300, And the other side 120B of the rotors is engaged so that the driving side is passed through the right side support panel 320 and the rear side side is rotated to the right side of the separation support panel 300, The metal supply pipes 130 are inserted into the left and right heat exchangers 100A and 100B through the through holes 330 of the separation supporting panel 300 as shown in FIGS. And can be configured to be used in common.

In the embodiment in which the eddy current heat exchanger 100 is divided into the left and right heat exchangers 100A and 100B, the rotors may be formed by stacking a plurality of discs, respectively, as shown in FIGS. 8 to 10, It may be constituted by one disk-shaped rotor having a predetermined thickness (for example, 40 mm). The latter disk-shaped rotator can have a structure disclosed by Korean Patent Laid-open Nos. 10-2015-0046877 and 10-2015-0047121 of the present inventor.

As described above, the plurality of rotors 120 (120A, 120B) are separately fastened to the left and right rotation shafts 110, 140 to be divided into two motors (not shown), and the metal water pipes 130 are separated The present invention is advantageous in that the load of the motor is reduced, the range of the hot water is varied, and the driving power is saved by constructing the support panel 130 so as to be commonly used in the left and right heat exchangers 100A and 100B.

For example, when driving five disk-shaped rotors 120 by tightening one rotary shaft, it is necessary to use a motor of 60 horsepower (about 45 kW). Since the load is large, it is difficult to obtain a driving force of 80% However, as shown in FIG. 5, three rotors 120A are provided on the left rotary shaft 110, and two rotors 120B are provided on the right rotary shaft 140 to generate hot water having a constant temperature difference upon driving. The same conditions as in the previous example (the number of metal water pipes: 50, 15, and 11 kW) can be obtained even if 25 horsepower (about 18 kW) and 15 horsepower (about 11 kW) motors are used for the left and right rotary shafts 110 and 140, respectively, Hot water having the same temperature difference (about 10 ° C) can be obtained with the number of revolutions of 1400 to 1500 rpm and the flow rate of water of the metal water pipe: 5 tons per hour. The load applied to each motor becomes small, ), And the same as in the previous example The total number of metal feed pipes can be reduced to 64, and the efficiency of the overall eddy current heat exchanger 100 can be increased.

Also, hot water having a temperature difference of 7 to 8 DEG C at the time of driving only the left rotary shaft 110 and a temperature difference of 4 to 5 DEG C at the time of driving only the right rotary shaft 140 were obtained. 1) 4 ~ 5 ℃ temperature difference, 2) 7 ~ 8 ℃ temperature difference, 3) 12 ~ 13 ℃ temperature difference with various water temperature range (5 tons per hour) And it is possible to drive only one of the two motors, so that driving power can also be saved.

Hereinafter, referring to FIGS. 1 to 7, a specific embodiment of the left and right heat exchangers 100A and 100B will be described.

5 and 7, the separating and supporting panel 300 may be formed on both sides where the rear end portions 118 and 148 of the left and right rotation shafts 110 and 140 are inserted (for example, The bearing brackets 350 and 360 can be further mounted with predetermined bolts 352 and 362 in the grooves.

5 is a view illustrating a state in which a plurality of rotors 120A and 120B according to the embodiment of FIG. 4 are fastened to the left and right rotation shafts 110 and 140 while being separated from the left and right rotation shafts 110 and 140, 6 (a) and 6 (b) show a state in which the rear end ends 118 and 148 of the left and right rotation shafts 110 and 140 are separated from the support panel 300 Sectional view taken along the AA 'line before and after the bearing 354 of the support panel 300 is inserted into the bearing brackets 350 and 360, respectively.

5, the left and right rotation shafts 110 and 140 can be fastened by being divided into three rotors 120A and two rotors 120B, respectively. The left and right rotation shafts 110 and 140 The number of rotors to be fastened is not limited to this.

The metal water pipes 130 are preferably composed of 50 to 64 copper pipes in order to obtain the same hot water range as the concrete example described above, but they may vary depending on the total number of rotors, the range of the hot water to be obtained, and the like.

Each of the driving sides of the left and right rotation shafts 110 and 140 and the metal water pipes 130 are inserted into the left and right support panels 310 and 320 respectively as shown in FIG. And the cold water pipes and the hot water pipes 1100 and 1200 surround the inlet or outlet of the metal water pipes 130 and are attached to the left and right sides of the left and right support panels 310 and 320 . Of course, the metal water pipes 130 are configured to be commonly used in the left and right heat exchangers 100A and 100B through the separation supporting panel 300 as described above

As shown in FIGS. 1 and 2, a plurality of first spacing rods 210 are fastened between the left support panel 310 and the separation support panel 300, and the separation support panel 300, A plurality of second spacing rods 230 may be fastened between the right support panels 320 and the number of the rotors 120 fastened to the left and right rotation shafts 110, The lengths of the first gap maintaining rods 210 and the second gap maintaining rods 230 may be different from each other.

By disassembling the rotors 120 and 120B with the permanent magnets 125 attached to the left and right rotating shafts 110 and 140 as described above, And the heat transfer is facilitated by the rotor body or the like, so that the lifetime of the permanent magnet can be increased, and by providing the cold and hot water cylinders (1100, 1200) at both sides of the plurality of metal water pipes with water tightness, .

9, the permanent magnets 125 may include a plurality of rotors 120 (not shown) mounted alternately in the N, S poles along the circumferential direction around the circumference, Are inserted into the left and right rotating shafts 110 and 140 at regular intervals to form permanent magnets 125 in a plurality of metal water pipes 130 arranged at a certain distance in the radial direction from the permanent magnets 125, The permanent magnet 125 is magnetized not only by the magnetic field generated by the neighboring permanent magnet but also by the magnetic field generated by the adjacent permanent magnet 125. [ The permanent magnets 125 are placed in the reverse magnetic field caused by the eddy currents of the metal water pipes 130, thereby generating heat due to the hysteresis loss and the eddy current loss in the magnet as well as the braking effect.

The permanent magnets are roughly divided into ferrite magnets, AlNiCo magnets, and rare earth magnets. Ferrite magnets include barium ferrite (BaFe) and strontium ferrite (SrFe) Has a higher coercive force (Hr) than an alnico magnet, but has a lower residual magnetic flux density (Br). The rare-earth magnets include a samarium cobalt (SmCo) magnet and a neodymium (NdFeB) magnet, both of which have higher coercive force and residual magnetic flux density than ferrite magnet and alnico magnet. However, coercivity and residual magnetic flux density It is important to pay attention to high-temperature irreversible potatoes because they have a decreasing property. In particular, neodymium magnets have a higher coercive force and residual magnetic flux density than samarium cobalt magnets, but have a lower temperature dependency and a lower magnetic flux density, which is difficult to use in an environment exceeding 80 ° C and is easily oxidized to require coating treatment .

Therefore, in designing the eddy current heat exchanger 100 with a rare-earth magnet, the temperature of the permanent magnets 125 disposed around the metal water pipes 130 should not exceed 80 캜.

As described above, when the permanent magnets 125 are disposed by being disposed close to the metal water pipes 130 as the hot water pipes, hysteresis losses in the permanent magnets 125 as well as heat transmitted from the metal water pipes 130, There is a problem that the permanent magnet 125 must be replaced from time to time as long as a special heat discharging means is not taken.

3, the permanent magnets are divided into a plurality of rotors 120, and the left and right rotating shafts 110 and 140 The heat of the permanent magnets 125 attached to the peripheries of the respective rotors 120 passes through the rotating body 122 as well as between the rotating shafts 110 and 140, .

Therefore, the rotating body 122 and the rotary shaft 110 of each of the rotors 120 are preferably formed of a material having high thermal conductivity.

With the configuration of the embodiment described above, even when two rotors 120 are rotated by 1750 rpm, which is the maximum load of each motor, by connecting two three-phase electric motors to the left and right rotating shafts 110 and 140, 125) was not higher than 70 ℃. Therefore, neodymium magnets could also be used. However, the neodymium magnets can be used when the power is transmitted to the left and right rotary shafts (110 and 140) at a low speed due to natural forces such as wind power because there is a problem that the neodymium magnets are loaded with a weak load at the initial stage of driving, However, it is preferable to use it as a samarium cobalt magnet in order to drive up to the maximum load of the electric motor.

The distance between the rotors 120 and the metal water pipes 130 is preferably 3 to 7 mm in the radial direction. If the distance is less than 3 mm, there is a problem that the heat of the metal water pipes 130, which is 150 to 200 ° C., is directly transferred to the permanent magnets 125, and the load (braking force) There arises a problem that the efficiency is deteriorated if the distance is set to be more than 7 mm.

In FIG. 1, reference numeral 1100 denotes a cold water tank, 1200 denotes a hot water tank, and 1200 denotes a cold water tank, 1100 denotes a hot water tank. And the water supply pipes and the water supply pipes 1142 and 1242 are connected to the cold water tank and the hot water tank, respectively.

Next, specific embodiments of the left and right rotation shafts 110 and 140 will be described with reference to the accompanying drawings.

The rotation shafts 110 and 140 may be formed in various shapes to transmit power to the plurality of rotors 120A and 120B. However, as shown in FIG. 7, a plurality of shafts 110 having different diameters The power transmission key grooves 111 and 141 are connected to the first shaft rods 112 and 142 having the smallest diameter among the shaft rods connected to the rods 112, 114, 116 and 118, And the second shaft rods (114, 144) having a larger diameter than the first shaft rods are connected to the first shaft rods and form a stepped portion, and screwed on one side of the first shaft rods (112, (115, 145) are formed in the screw groove in the longitudinal direction, and the rotor fixing key groove (115, 145) is formed at the end of the rotor fixing key groove The three shaft rods 116 and 146 extend to a predetermined length and the ends of the third shaft rods 112 and 142 or the diameter of the second shaft rods 114 and 144 It may be connected to the same fourth shaft rod (118, 148).

When the rotary shafts 110 and 140 are formed as described above, the first and second shaft rods 116 and 146 are cut into a single shaft rod having a predetermined length by the diameter of the third shaft rods 116 and 146, The four axle rods 112, 114, 116, 118, 142, 144, 146, 148 may be integrally formed with the power transmission key grooves 111, 141, 145 and the screw grooves 113, 143 are formed.

5, the rotors 120 are inserted into a shaft insertion hole 121 formed at the center after inserting the rotor fixing keys 117 and 147 into the rotor fixing key grooves 115 and 145, (119) having a smaller diameter than the rotors (120) and a diameter larger than that of the second shaft rods (114, 144) by inserting into the respective rotation shafts (110, 140) And the nuts 113 'and 143' are fastened to the threaded grooves 113 and 143 so as to be fixed to the respective rotating shafts 110 and 140 can do.

Accordingly, when using the stepped rotary shafts 110 and 140, which lead to a plurality of shaft rods 112, 114, 116, 118, 142, 144, 146 and 148 having different diameters, 143 'by tightening only the nuts 113', 143 'to the threaded grooves 113, 143 by simply inserting the cylindrical spacing member 119 between the rotating shafts 110, 140 So that the completeness of the disassembly and assembly can be achieved, the working time can be shortened, and transportation and parts exchange can be facilitated.

Here, the rotors 120 may be integrally formed into various shapes, but it is preferable that the rotors 120 are formed as a disk laminated rotor as described with reference to FIGS. 8 to 10 and FIG.

The left and right support panels 310 and 320 are symmetrically fastened to the eddy current heat exchanger 100 in the same shape as shown in FIG. 2 (thus, the following description is based on the left support panel) A plurality of through holes into which the left and right rotation shafts 110 and 140 and the metal water supply pipes 130 are inserted and a plurality of bolt fastening holes for attaching the cold water pipe or the hot water pipe 1100 to one side, Right support body; A water leakage preventing plate 610 formed between each of the supporting bodies and the cold water tank or the hot water tank 1100 and having a plurality of through holes at positions corresponding to the through holes of the supporting body and the bolt fastening grooves; And a plurality of O-rings (510) sandwiched between both ends of the metal water pipes (130) between the respective support bodies and the water leakage prevention plate (610).

The metal supply pipes 130 are fastened to the left and right support bodies of the left and right support panels 310 and 320 and the through holes 330 of the separation support panel 300, 110 are spaced a predetermined distance from the through hole 310 through which the rotor 140 is inserted, thereby making it possible to adjust the separation distance from each rotor 120.

By providing the cold / hot water cylinders 1100 and 1200 in a watertight manner on both sides of the plurality of metal water pipes 130, a sufficient amount of hot water can be obtained.

In order to increase the watertightness, the cold water tank and the hot water cylinders 1100 and 1200 have inner and outer flanges 1110 and 1120 (1210 and 1220) on the same plane in the same shape as shown in FIG. 2, The waterproof ring plates 810, 910, 820 and 920 having different diameters are inserted between the outer flanges 1110 and 1120 1210 and 1220 and the waterproofing plates 610 and 620 by predetermined bolts 1112 and 1122. 1212, and 1222, respectively.

As shown in FIG. 2, the cold water tank and the hot water cylinders 1100 and 1200 are formed by open ring-shaped cylinders 1130 and 1230 having front and rear inner and outer flanges, respectively, An inlet port 1140 may be attached and connected to the outlet pipe and the inlet pipes 1142 and 1242, respectively.

As shown in FIG. 2, bearing supporting grooves 317 are formed on the surfaces of the left and right support panels 310 and 320 facing the rotors 120, respectively, A plurality of O-ring insertion grooves for inserting the O-rings 510 and 520 may be further formed.

In FIG. 2, reference numerals 410 and 420 denote bearing members that are fitted in bearing insertion grooves formed in the respective support bodies of the left and right support panels 310 and 320 to support the left and right rotation shafts 110 and 140, respectively.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, power transmission key grooves 111 and 141 are formed in the first shaft rods 112 and 142 of the rotary shafts 110 and 140, and various power sources such as wind power, Can be connected. The accompanying drawings are merely examples and various configurations using the same are also possible, which can be easily carried out with the contents described above.

100A, 100B: left and right heat exchangers 112, 142: first shaft rod
210 and 230: first and second spacing rods 300: separation supporting panel
310, 320: left and right support panels 1100, 1200: cold water tank or hot water tank
1142, 1242: a water pipe or a water pipe

Claims

A rotor for transmitting power, two or more rotors in which permanent magnets are alternately arranged in N and S poles in a radial direction and a plurality of grooves inserted into the rotating shaft and formed at regular intervals along the circumferential direction, An eddy current heat exchanger including a plurality of metal water pipes spaced a predetermined distance in the radial direction and arranged at regular intervals along the circumferential direction to provide hot water by heating by eddy current;
A left and right support panel for inserting and supporting the eddy current heat exchanger on both sides of the rotation shaft and the metal water pipes from the left and right sides; And
And a cold water reservoir and a hot water reservoir provided to surround respective inlet or outlet ports of the metal water pipes at the left side of the left support panel and the right side of the right support panel,
Wherein the rotors are each configured to stack a plurality of discs to form the plurality of grooves,
Wherein each of the plurality of discs has a plurality of circular peripheries extending in the circumferential direction and in a direction parallel to the axial direction of the rotary shaft or in an oblique direction having a predetermined angle and in a radially outwardly widening shape, Formed,
Wherein the plurality of grooves are formed in a shape of the collimated light by overlapping the plurality of disk peripheral grooves,
Wherein the permanent magnet is formed to correspond to the shape of the plurality of grooves and is fitted to the plurality of grooves by being pushed in the longitudinal direction of the grooves from the side surface and is fixed by covering the lower portion with the left and right stationary ring plates Eddy current boiler.

The method according to claim 1,
A part of the plurality of discs is formed with a shaft insertion through hole having a middle key groove so as to be coupled to the rotation shaft to receive power and the remaining part has a predetermined area so as to form the plurality of grooves, And an inertia moment attenuating through hole having a size larger than that of the shaft insertion through hole is formed,
Wherein each of the rotors comprises a left and a right fixed ring plate interposed between the plurality of discs and fixed together with the plurality of discs to fix the permanent magnets.

delete

3. The method of claim 2,
Wherein the plurality of discs are formed such that two or more discs having the shaft insertion through-holes are stacked on both sides with one or more discs having the inertia moment-weakening through-holes formed therebetween to form the plurality of grooves.

The method according to any one of claims 1, 2, and 4,
The eddy current heat exchanger further includes a separation support panel between the left and right support panels, and is divided into left and right heat exchangers,
Wherein the rotary shaft is divided into left and right rotary shafts and is adapted to transmit power independently to the left and right heat exchangers,
Wherein the left rotation axis is engaged with a part of the rotors so that the driving side passes through the left support panel and the rear end side is rotatably inserted into the left side of the separation support panel,
Wherein the right rotation axis is engaged with the rest of the rotors so that the driving side passes through the right support panel and the rear end side is rotatably inserted into the right side of the separation support panel,
Wherein the metal feed pipes are configured to be commonly used in the left and right heat exchangers through the separation support panel.

6. The method of claim 5,
Wherein the separation support panel is further provided with bearing brackets on both sides where the ends of the left and right rotation shafts are inserted.

6. The method of claim 5,
The left and right rotation shafts are divided into two or three of the rotors, respectively,
Wherein the metal water pipes are composed of 50 to 64 copper pipes.

8. The method of claim 7,
Wherein the rotors are formed by stacking eight aluminum original plates each having a thickness of 5 mm.

A rotor for transmitting power, two or more rotors in which permanent magnets are alternately arranged in N and S poles in a radial direction and a plurality of grooves inserted into the rotating shaft and formed at regular intervals along the circumferential direction, An eddy current heat exchanger including a plurality of metal water pipes spaced a predetermined distance in the radial direction and arranged at regular intervals along the circumferential direction to provide hot water by heating by eddy current;
A left and right support panel for inserting and supporting the eddy current heat exchanger on both sides of the rotation shaft and the metal water pipes from the left and right sides; And
And a cold water reservoir and a hot water reservoir provided to surround respective inlet or outlet ports of the metal water pipes at the left side of the left support panel and the right side of the right support panel,
The eddy current heat exchanger further includes a separation support panel between the left and right support panels, and is divided into left and right heat exchangers,
Wherein the rotary shaft is divided into left and right rotary shafts and is adapted to transmit power independently to the left and right heat exchangers,
Wherein the left rotation axis is engaged with a part of the rotors so that the driving side passes through the left support panel and the rear end side is rotatably inserted into the left side of the separation support panel,
Wherein the right rotation axis is engaged with the rest of the rotors so that the driving side passes through the right support panel and the rear end side is rotatably inserted into the right side of the separation support panel,
Wherein the metal feed pipes are configured to be commonly used in the left and right heat exchangers through the separation support panel.

10. The method of claim 9,
Wherein the separation support panel is further provided with bearing brackets on both sides where the ends of the left and right rotation shafts are inserted.

10. The method of claim 9,
The left and right rotation shafts are divided into two or three of the rotors, respectively,
Wherein the metal water pipes are composed of 50 to 64 copper pipes.

12. The method according to any one of claims 9 to 11,
The left and right rotation shafts are respectively connected to a plurality of shaft rods having different diameters in the longitudinal direction,
A first shaft bar having a smallest diameter among the shaft bars is formed with a power transmitting key groove,
A second shaft rod having a diameter larger than that of the first shaft rod is connected to the first shaft rod and has a stepped portion and a screw groove is formed on one side of the first shaft rod side, A fixed key groove is formed,
A third shaft rod having a diameter larger than that of the second shaft rod is connected to the end of the rotor fixing key groove to have a predetermined length,
And an end of the third shaft rod is connected to a fourth shaft rod having the same diameter as the first shaft rod or the second shaft rod.

13. The method of claim 12,
Wherein the rotors are inserted and fastened to the left and right rotatable shafts through a shaft insertion hole and a key groove formed at the center after inserting the rotor fixing key into the rotor fixing key groove, Wherein a cylindrical spacing member having a diameter larger than that of the biaxial bar is interposed therebetween, inserted in the same manner as the rotors, and fastened to the left and right rotation shafts by tightening a nut in the screw groove.

13. The method of claim 12,
Wherein the left and right support panels have the same shape and have a plurality of through holes into which the left and right rotation shafts and the metal water supply pipes are inserted and a plurality of bolt fastening holes formed on the one side of the cold water tank or the hot water tank, Right support body;
A water leakage preventing plate formed between each of the supporting bodies and the cold water tank or the hot water tank and having a plurality of through holes at positions corresponding to the through holes and the bolt fastening grooves of the supporting body; And
And a plurality of O-rings sandwiched around both ends of the metal water pipes between the support bodies and the water leakage prevention plate.

15. The method of claim 14,
Wherein the cold water tank and the hot water tank have the same shape and inner and outer flanges on the same plane,
Wherein a waterproof ring plate having a different diameter is further coupled between the inner and outer flanges and the water leakage prevention plate.

16. The method of claim 15,
Wherein the left and right support bodies are further formed with a plurality of O-ring insertion grooves through which the O-rings are inserted, respectively, on opposite sides of the bearing insertion grooves on the surfaces facing the rotors.

15. The method of claim 14,
Wherein the rotors and the metal feed pipes are spaced from each other by 3 to 7 mm in the radial direction, and the permanent magnets are samarium cobalt (SmCo) magnets.

13. The method of claim 12,
A plurality of first spacing rods are fastened between the left support panel and the separation support panel,
A plurality of second spacing rods are fastened between the separation support panel and the right support panel,
Wherein lengths of the first gap retaining rods and the second gap retaining rods are different from each other due to a difference in the number of the rotors coupled to the left and right rotation shafts.