JP3173830U - Electric - Google Patents

Abstract

The present invention provides an electric machine that improves efficiency and life by efficiently dissipating generated thermal energy and prevents damage.
A transformer 101 (electrical machine) includes, for example, a primary fluid passage and a secondary fluid passage between a shallow surface layer or a shallow temperature holding body composed of a lake, a pond, and a river. The external heat radiator 302 and the relay heat radiator 304 (heat exchange device) provided are installed. The heat energy generated by the transformer 101 is transmitted via the insulating cooling fluid 103 (primary side fluid) of the heat exchange device, and the cooling fluid 311 (secondary side fluid) is a shallow natural heat storage body (temperature holding body). ) To the heat radiator 309 (soaking device) installed in the heat sink and release heat energy to the shallow temperature holder to dissipate heat through the shallow temperature holder and the exchange fluid.
[Selection] Figure 3

Description

  The present invention relates to an electric machine including a heat radiating means for radiating generated heat energy.

  Conventional electric machines include fixed transformers, rotary generators, motors or electric turbine brake devices.

JP 2005-283014 A

  In the conventional electric machine, thermal energy is generated by the copper loss of the conductor or the iron loss of the magnetic conductor during the energization operation. As the energization time increases, heat accumulates and the temperature rises, thereby affecting the efficiency and life of the electric machine and destroying the electric machine.

  The present invention has been made in view of the above points, and an object of the present invention is to provide an electric machine that improves efficiency and life by efficiently dissipating generated thermal energy and prevents damage. .

  The electric machine of the present invention is provided with a heat exchange device having a primary fluid passage and a secondary fluid passage between a shallow surface layer or a shallow temperature holding body composed of a lake, a pond, and a river, for example. Then, the heat energy generated by the electric machine is transmitted through the primary fluid of the heat exchange device, and the secondary fluid flows to the heat equalizer installed in the shallow temperature holder, By releasing thermal energy to the temperature holding body, heat is radiated through the shallow temperature holding body and the exchange fluid.

  Specifically, a fluid heat exchange device is additionally installed outside the body shell of the electric machine, and a primary fluid circulation circuit is formed by the primary pipeline of the heat exchange device and the cooling fluid inside the electric machine. A secondary circulation circuit is formed through the fluid pumped by the secondary conduit of the heat exchange device and a shallow temperature holder, such as a shallow water layer or a soaking device installed in a lake, pond, or river. . The heat energy of the electric machine is dissipated by absorbing the heat energy with respect to the fluid having a relatively high temperature passing through the heat equalizer installed in the shallow temperature holder.

It is a schematic diagram of the heat dissipation system of the conventional transformer. It is a schematic diagram of the heat dissipation method of the conventional rotary electric machine. 1 is a schematic diagram of a transformer according to a first embodiment of the present invention. It is a schematic diagram of the transformer by 2nd Embodiment of this invention. The heat energy generated by the transformer flows through the secondary fluid of the heat exchange device installed in the body shell of the transformer to the soaking device installed in the shallow temperature holder, and the shallow temperature holder To dissipate heat. It is a schematic diagram of the transformer by 3rd Embodiment of this invention. The heat energy generated by the transformer flows through the secondary fluid of the heat exchanger installed in a ring around the body shell of the transformer to the heat equalizer installed in the shallow temperature holder, Dissipate heat to the temperature holder of the layer. It is a schematic diagram of the rotary electric machine by 4th Embodiment of this invention. The heat energy generated by the rotating electrical machine flows through the secondary fluid of the heat exchange device installed in the body shell of the rotating electrical machine to the soaking device installed in the shallow temperature holder, and the shallow temperature holder To dissipate heat. It is a schematic diagram of the rotary electric machine by 5th Embodiment of this invention. The heat energy generated by the rotating electrical machine flows through the secondary fluid of the heat exchanger installed separately from the body shell of the rotating electrical machine to the soaking device installed in the shallow temperature holder, Dissipates heat to the temperature holding body.

  An electric machine according to an embodiment of the present invention includes a primary fluid passage and a secondary fluid passage between a shallow surface layer or a shallow temperature holding body composed of a lake, a pond, and a river, for example. The apparatus is installed, the thermal energy generated by the electric machine is transmitted through the primary fluid of the heat exchange device, and the secondary fluid flows to the heat equalizer installed in the shallow temperature holder, By releasing thermal energy to the shallow temperature holder, heat is radiated through the shallow temperature holder and the exchange fluid.

(Conventional technology)
FIG. 1 is a schematic diagram of a conventional transformer heat dissipation method.
FIG. 1 shows a conventional oil-cooled transformer. The external radiator 102 is exposed to the outside of the outer casing of the transformer 101 and is installed up and down. The cooling fluid 103 flows to the external radiator 102 by rising when the temperature rises due to the heat generation energy of the transformer 101 and descending when the temperature falls. By circulating and flowing the cooling fluid 103 in this way, heat energy is radiated to the outside. In this method, an option of the air cooling fan 110 can be added.
FIG. 2 is a schematic diagram of a conventional heat dissipation method for a rotating electrical machine.
FIG. 2 shows a conventional heat dissipation method for a rotating electrical machine. A second layer outer casing 202 is installed on the outer casing 201 of the rotating electric machine, and a heat radiation fin 203 is installed between the outer casing 201 of the electric machine and the second layer outer casing 202.

(First embodiment)
FIG. 3 is a schematic view of a transformer according to the first embodiment of the present invention.
The main configuration shown in FIG. 3 is as follows.

Transformer 101: a transformer device having a winding and an iron core, which is installed in the machine shell 100 and dissipates heat by the transformer 101 by putting an insulating cooling fluid 103 into the machine shell 100.
External radiator 302: A container structure that allows fluid to pass through, and is installed outside the transformer 101. The upper and lower parts circulate and circulate through a fluid conduit and an insulating cooling fluid 103 that enters the machine shell 100 of the transformer 101. In addition, by coupling with the cooling fluid 311 passing through the relay radiator 304, heat energy is transmitted to each other.
Relay radiator 304: A container structure through which fluid flows, and is coupled to an external radiator 302 to transmit heat energy to each other. Further, the refrigerant flows through the cooling fluid 311 driven by the pipe 305 and the fluid pump 306, and flows between the relay radiator 304 and the radiator 309 installed in the natural heat storage body 108. The heat energy of the transformer 101 passes through the insulating cooling fluid 103, the external radiator 302, the relay radiator 304, and the cooling fluid 311, and is conducted to the radiator 309, thereby radiating heat to the natural heat storage body 108 by the radiator 309. .
Radiator 309: A container structure that is made of a good thermal conductive material and that radiates the flowing cooling fluid 311. The radiator 309 is installed in a shallow temperature holding body 108 composed of land, ponds, lakes, and rivers.
Fluid pump 306: a fluid pump driven by mechanical force or an electric motor.

(Second Embodiment)
FIG. 4 is a schematic diagram of a transformer according to a second embodiment of the present invention. The heat energy generated by the transformer flows through the secondary fluid of the heat exchange device installed in the body shell of the transformer to the soaking device installed in the shallow temperature holder, and the shallow temperature holder To dissipate heat.
The main configuration shown in FIG. 4 is as follows.

Transformer 101: a transformer device having a winding and an iron core, which is installed in the machine shell 100 and dissipates heat by the transformer 101 by putting an insulating cooling fluid 103 into the machine shell 100.
Heat exchanger 404: A container structure that allows fluid to pass through, and is installed outside the transformer 101. The upper and lower parts are circulated through an insulating cooling fluid 103 that enters the pipe 402 and the machine shell 100 of the transformer 101. And the cooling fluid 411 pressure-fed by the fluid pump 406 is passed, it flows into the heat radiator 409 installed in the natural heat storage body 108, and heat energy is transmitted by constituting a circulating fluid.
Radiator 409: A container structure that is made of a good thermal conductive material and that radiates the flowing cooling fluid 411, and is installed in a shallow temperature holding body 108 composed of land, ponds, lakes, and rivers.
Fluid pump 406: a fluid pump driven by mechanical force or an electric motor.

(Third embodiment)
FIG. 5 is a schematic diagram of a transformer according to a third embodiment of the present invention. The heat energy generated by the transformer flows through the secondary fluid of the heat exchanger installed in a ring shape around the transformer body shell to the heat equalizer installed in the shallow temperature holder, Dissipates heat to the temperature holder.
The main configuration shown in FIG. 5 is as follows.

Transformer 101: a transformer device having a winding and an iron core, which is installed in the machine shell 100 and dissipates heat by the transformer 101 by putting an insulating cooling fluid 103 into the machine shell 100.
External radiator 504: A container structure that allows fluid to pass through, and is installed outside the transformer 101 to jointly constitute a heat exchanger function. Heat energy is transmitted by passing through the cooling fluid 511 and flowing to the radiator 509 installed in the natural heat storage body 108 to form a circulating fluid.
Radiator 509: A container structure that is made of a good heat conductive material and that radiates the flowing cooling fluid 511, and is installed in a shallow temperature holding body 108 constituted by land, ponds, lakes, and rivers.
Fluid pump 506: a fluid pump driven by mechanical force or an electric motor.

(Fourth embodiment)
FIG. 6 is a schematic view of a rotating electrical machine according to the fourth embodiment of the present invention. The heat energy generated by the rotating electrical machine flows through the secondary fluid of the heat exchange device installed in the body shell of the rotating electrical machine to the soaking device installed in the shallow temperature holder, and the shallow temperature holder To dissipate heat.
The main configuration shown in FIG. 6 is as follows.

Rotating electric machine 601: A rotating electric machine including a magnetic winding, an iron core, a rotor, and a machine shell is included, and includes an apparatus configured by a motor, a generator, or an electromagnetic coupling device.
The heat exchanger 603 includes a primary fluid flow path 602 and a secondary fluid flow path 604 and transmits heat energy to each other, and the primary fluid flow path 602 therein includes the pipe line and the fluid pump 607. Through the pressure feeding, a circulating air flow is formed together with the air flow inside the rotary electric machine 601, and the secondary side fluid flow path 604 is provided with a radiator 609 installed in the natural heat storage body 108 through the pipe line 605 and the fluid pump 606. Thermal energy is transmitted by pumping the flowing cooling fluid 611 and forming a circulating fluid.
Radiator 609: It is a container structure that is made of a good heat conductive material and dissipates the flowing cooling fluid 611, and is installed in a shallow temperature holding body 108 constituted by land, ponds, lakes, and rivers.
Fluid pumps 606, 607: composed of fluid pumps driven by mechanical force or electric motor.

(Fifth embodiment)
FIG. 7 is a schematic view of a rotating electrical machine according to a fifth embodiment of the present invention. The heat energy generated by the rotating electrical machine flows through the secondary fluid of the heat exchanger installed separately from the body shell of the rotating electrical machine to the soaking device installed in the shallow temperature holder, Dissipates heat to the temperature holding body.
The main configuration shown in FIG. 7 is as follows.

Rotating electrical machine 701: A rotating electrical machine including a magnetic winding, an iron core, a rotor, and a machine shell is included, and includes a device configured by a motor, a generator, or an electromagnetic coupling device.
Heat exchanger 703: A primary side fluid flow path 702 including a primary side fluid flow path 702 and a secondary side fluid flow path 704, and the primary side fluid flow path 702 therein includes a conduit and a fluid pump 707. Through the pressure feeding, a circulating air flow is formed together with the air flow inside the rotating electrical machine 701, and the secondary fluid flow path 704 is provided with a radiator 709 installed in the natural heat storage body 108 through the pipe line 705 and the fluid pump 706. Thermal energy is transmitted by pumping the flowing cooling fluid 711 and forming a circulating fluid.
Radiator 709: A container structure that is made of a good heat conductive material and that radiates the flowing cooling fluid 711, and is installed in a shallow temperature holding body 108 that is composed of land, ponds, lakes, and rivers.
Fluid pumps 706, 707: composed of fluid pumps driven by mechanical force or electric motor.

(Other embodiments)
In the electric machine according to another embodiment of the present invention, the heat exchange device includes a flow path including a one-way primary fluid flow path and a one-way secondary fluid flow path.
An electric machine according to another embodiment of the present invention includes a shared heat exchange device, and jointly provides a primary-side fluid flow path of one or more ways in the heat exchanger and separately leads to the inside of a plurality of sets of electric machines. Separately, the primary side fluid flow path is configured. Further, the shared heat exchange device includes a one-way or more secondary side fluid flow path that leads to the same heat equalizer installed inside the shallow temperature holder.
The electric machine according to another embodiment of the present invention can further add an option of the air cooling fan 110.

DESCRIPTION OF SYMBOLS 100: Machine shell 101: Transformers 102, 302, 504: External radiator 103: Insulation cooling fluid 108: Natural heat storage body, temperature holding body 110: Air cooling fan 111, 311, 411, 511, 611, 711: Cooling fluid 201 : Rotary electric machine outer casing 202: Second layer outer casing 203: Radiation fin 304: Relay radiator 305, 402, 605, 705: Pipe lines 306, 406, 506, 606, 607, 706, 707: Fluid pumps 309, 409, 509 , 609, 709: radiator 404, 603, 703: heat exchanger 601, 701: rotating electrical machine 602, 702: primary side fluid flow path 604, 704: secondary side fluid flow path

Claims (7)

A heat exchange device having a primary fluid passage and a secondary fluid passage is installed between a shallow surface layer or a shallow temperature holding body composed of a lake, a pond, and a river, and generates heat energy. The heat is transmitted through the primary fluid of the heat exchange device, and the secondary fluid of the heat exchange device flows to the heat equalizer installed in the shallow temperature holder, An electric machine that radiates heat through a shallow temperature holder and exchange fluid by releasing thermal energy,
A transformer (101), an external radiator (302), a relay radiator (304), a radiator (309) and a fluid pump (306);
The transformer (101) is a transformer device having a winding and an iron core, and is installed in a machine shell (100), and an insulating cooling fluid (103) is placed in the machine shell (100), thereby Heat is dissipated by the transformer 101,
The external radiator (302) has a container structure that allows fluid to pass through, and is installed outside the transformer (101). The upper and lower sides are inside the fluid conduit and the machine shell (100) of the transformer (101). Circulates and circulates through the insulating cooling fluid (103) placed in and couples with the cooling fluid (311) passing through the relay radiator (304) to transmit thermal energy to each other;
The relay radiator (304) has a container structure in which a fluid flows. The relay radiator (304) is coupled to the external radiator (302) to transmit heat energy to each other, and by a pipe line (305) and a fluid pump (306). The cooling fluid (311) that is driven flows between the relay radiator (304) and the radiator (309) installed in the natural heat storage body (108), and is circulated in a circulating manner so that the transformer (101 ) Through the insulating cooling fluid (103), the external radiator (302), the relay radiator (304) and the cooling fluid (311), and then conducted to the radiator (309), The radiator (309) radiates heat to the natural heat storage body (108),
The radiator (309) is made of a heat conductive material and has a container structure for radiating the flowing cooling fluid (311). The radiator (309) is installed in the natural heat storage body (108) composed of land, pond, lake, or river. ,
The electric machine characterized in that the fluid pump (306) comprises a fluid pump driven by mechanical force or an electric motor. A heat exchange device having a primary fluid passage and a secondary fluid passage is installed between a shallow surface layer or a shallow temperature holding body composed of a lake, a pond, and a river, and generates heat energy. The heat is transmitted through the primary fluid of the heat exchange device, and the secondary fluid of the heat exchange device flows to the heat equalizer installed in the shallow temperature holder, An electric machine that radiates heat through a shallow temperature holder and exchange fluid by releasing thermal energy,
The heat exchanging device is installed in the body shell of the transformer, and the heat energy generated by the electric machine flows through the secondary fluid of the heat exchanging device to the soaking device installed in the shallow temperature holder, Radiates heat to the temperature holding body of
A transformer (101), a heat exchanger (404), a radiator (409) and a fluid pump (406);
The transformer (101) is a transformer device having a winding and an iron core, is installed in the machine shell (100), and puts the insulating cooling fluid (103) in the machine shell (100). Radiates heat by the transformer (101),
The heat exchanger (404) is a container structure that allows fluid to pass through, and is installed outside the transformer (101). The upper and lower sides are a pipe line (402) and the machine shell (100) of the transformer (101). A radiator that circulates and circulates through the insulating cooling fluid (103) that enters the interior of the inside and passes the cooling fluid (411) that is pumped by the fluid pump (406), and is installed in the natural heat storage body (108). (409) to transfer heat energy by constituting a circulating fluid,
The radiator (409) is composed of a heat conductive material and has a container structure for radiating the flowing cooling fluid (411), and is installed in the natural heat storage body (108) composed of land, pond, lake, or river. And
The electric machine characterized in that the fluid pump (406) is constituted by a fluid pump driven by a mechanical force or an electric motor. A heat exchange device having a primary fluid passage and a secondary fluid passage is installed between a shallow surface layer or a shallow temperature holding body composed of a lake, a pond, and a river, and generates heat energy. The heat is transmitted through the primary fluid of the heat exchange device, and the secondary fluid of the heat exchange device flows to the heat equalizer installed in the shallow temperature holder, An electric machine that radiates heat through a shallow temperature holder and exchange fluid by releasing thermal energy,
The heat exchange device is installed in a ring shape around the body shell of the transformer, and the heat energy generated by the electric machine passes through the secondary fluid of the heat exchange device and is installed in the shallow temperature holder. Radiates heat to the shallow temperature holder,
A transformer (101), an external radiator (504), a radiator (509) and a fluid pump (506);
The transformer (101) is a transformer device having a winding and an iron core, is installed in the machine shell (100), and puts the insulating cooling fluid (103) in the machine shell (100). Radiates heat by the transformer (101),
The external radiator (504) is a container structure that allows fluid to pass through, and is installed outside the transformer (101) to jointly constitute a heat exchanger function, allowing the cooling fluid (511) to pass through, Flowing heat energy to the radiator (509) installed in the natural heat storage body (108) and constituting a circulating fluid,
The radiator (509) is composed of a heat conductive material and has a container structure for radiating the flowing cooling fluid (511), and is installed in the natural heat storage body (108) composed of land, pond, lake, or river. ,
The electric machine characterized in that the fluid pump (506) comprises a fluid pump driven by a mechanical force or an electric motor. A heat exchange device having a primary fluid passage and a secondary fluid passage is installed between a shallow surface layer or a shallow temperature holding body composed of a lake, a pond, and a river, and generates heat energy. The heat is transmitted through the primary fluid of the heat exchange device, and the secondary fluid of the heat exchange device flows to the heat equalizer installed in the shallow temperature holder, An electric machine that radiates heat through a shallow temperature holder and exchange fluid by releasing thermal energy,
The heat exchange device is installed in the body shell of the rotating electric machine, and the heat energy generated by the electric machine flows through the secondary fluid of the heat exchange device to the heat equalizer installed in the shallow temperature holder, Radiates heat to the temperature holding body of
A rotating electrical machine (601), a heat exchanger (603), a radiator (609) and a fluid pump (606, 607);
The rotating electrical machine (601) includes a rotating electrical machine of a magnetic field winding, an iron core, a rotor, and a machine shell, and includes a device configured by a motor, a generator, or an electromagnetic coupling device,
The heat exchanger (603) includes a primary fluid channel (602) and a secondary fluid channel (604), and transmits heat energy to each other, and the primary fluid channel (602) therein. Constitutes a circulating airflow together with the airflow inside the rotating electric machine (601) through the pumping of the pipe and the fluid pump (607), and the secondary fluid flow path (604) is connected to the pipe (605). And through the fluid pump (606), the cooling fluid (611) flowing through the radiator (609) installed in the natural heat storage body (108) is pumped to form a circulating fluid, thereby transferring thermal energy,
The radiator (609) is made of a heat conductive material and has a container structure for radiating the flowing cooling fluid (611), and is installed in the natural heat storage body (108) constituted by land, pond, lake, or river. And
The electric machine characterized in that the fluid pumps (606, 607) are constituted by a fluid pump driven by a mechanical force or an electric motor. A heat exchange device having a primary fluid passage and a secondary fluid passage is installed between a shallow surface layer or a shallow temperature holding body composed of a lake, a pond, and a river, and generates heat energy. The heat is transmitted through the primary fluid of the heat exchange device, and the secondary fluid of the heat exchange device flows to the heat equalizer installed in the shallow temperature holder, An electric machine that radiates heat through a shallow temperature holder and exchange fluid by releasing thermal energy,
The heat exchanging device is installed separately from the body shell of the rotating electric machine, and the heat energy generated by the electric machine flows through the secondary fluid of the heat exchanging device to the heat equalizer installed in the shallow temperature holder. Radiates heat to the shallow temperature holder,
A rotating electrical machine (701), a heat exchanger (703), a radiator (709), and fluid pumps (706, 707);
The rotating electrical machine (701) includes a rotating electrical machine of a magnetic field winding, an iron core, a rotor, and a machine shell, and includes a device configured by a motor, a generator, or an electromagnetic coupling device,
The heat exchanger (703) includes a primary fluid channel (702) and a secondary fluid channel (704), and transmits heat energy to each other, and the primary fluid channel (702) therein. Constitutes a circulating air flow together with the air flow inside the rotating electrical machine (701) through the pumping of the pipe and the fluid pump (707), and the secondary fluid flow path (704) is connected to the pipe (705). And through the fluid pump (706), the cooling fluid (711) flowing through the radiator (709) installed in the natural heat storage body (108) is pumped to form a circulating fluid, thereby transferring thermal energy,
The radiator (709) is made of a heat conductive material and has a container structure for radiating the flowing cooling fluid (711), and is installed in the natural heat storage body (108) constituted by land, pond, lake, or river. And the fluid pumps (706, 707) are configured by a mechanical pump or a fluid pump driven by an electric motor. Equipped with a common heat exchange device, jointly provide a primary side fluid flow path of one or more ways in the heat exchanger, and separately communicate with the interior of multiple sets of electric machines to configure the primary side fluid flow path separately And
In addition, the shared heat exchange device includes a one-way or more secondary side fluid flow path that leads to the same heat equalizer installed inside the shallow temperature holder. The electric machine described.   The electric machine according to any one of claims 1 to 5, further comprising an air cooling fan (110).

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