JP3885193B2 - Cubicle type power receiving device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a power receiving cubicle in which a power receiving device for receiving power and distributing it to a power load in an office, a transformer for converting electricity, a semiconductor device, etc. are housed in a steel plate casing, and an emergency power generation. The present invention relates to a cubicle type power receiving device integrated with a power generating device such as a device .
[0002]
[Prior art]
Normal power receiving cubicles receive power from electric power companies, etc., and supply power to various external loads, so devices such as circuit breakers and switches that disconnect electrical circuits, transformers that convert voltage, and semiconductor devices that convert the quality of electricity Is an electric device housed in a housing.
[0003]
Customers who are not allowed to have a power outage due to security reasons such as bilging, hospitals, hotels, etc. are obliged to install emergency power generators, and many power generators are installed for the purpose of rationalizing energy use. Cogeneration systems that use not only power but also heat generated at the same time are increasing.
[0004]
These power generators are installed in an incombustible independent enclosure, and are connected to a power receiving cubicle in another place by a power cable or the like laid in the ground. Since these two devices are usually designed and manufactured by different manufacturers, there is no commonality of specifications, parts, etc., and a special connection device for matching both specifications is required at the time of connection.
[0005]
[Problems to be solved by the invention]
As mentioned above, the power-receiving cubicles and power generation equipment manufacturers is separate, individually designed, also different specifications, for alone since the product of a multi-functional device is also complicated, high product prices, another another this Since it is installed independently at a place, it requires a large installation area, an independent foundation, a cable for connection and a pit for burying it, and requires a large amount of equipment cost and a long construction period as a whole.
[0006]
Also for another by different specifications in two places, etc. two types of also took the time to prepare, such as maintenance and inspection of spare parts, and to install a special device for the specification of the different both of the connection, cost And time.
[0007]
The power generation facilities are regulated by the Fire Service Law, and in order to prevent fires, a non-combustible room is required, and ventilation equipment must be installed. In order to integrate with the power receiving device, it is necessary to comply with these regulations and to prevent other parts from being affected by the high temperature when the power generation device fires.
[0008]
The prime mover and the various electric devices housed in the power receiving cubicle and the power generation device generate heat during operation, and therefore need to be cooled or exhausted.
[0009]
The present invention has been made to solve the above problems, it is an object specification unified both and design, and integrated while sharing the common portions are duplicates, lightweight, special It is an object of the present invention to provide a cubicle type power receiving device that does not require a simple connection device and cable, is inexpensive, has good maintenance efficiency, and can be applied to power generating devices in all fields.
[0010]
[Means for Solving the Problems]
As a means for solving the problems, cubicle-type receiving power generator of the present invention, the power generator both to the power receiving cubicles, the same design specifications, to consolidate the functions are extra includes or overlaps, as a result It is the gist of the present invention that eliminates unnecessary unnecessary parts and integrates them adjacent to each other.
[0011]
However, in order to integrate adjacently, it is necessary to comply with the regulations of the fire fighting law of the power generation equipment. Therefore, the partition wall partitions the portion and the power receiving cubicle portion for accommodating the power generation device, a structure to insulate heat, high heat when the power generator fire so as not transmitted to the power receiving cubicle side. The heat insulation structure is interposed to integrate the two, and the electric wire penetrates the partition wall to connect the two, so there is no need for a special cable or pit.
[0012]
By making the power generation device and the receiving cubicle the same design specification, it is possible to integrate the part of the conventional power generation device that sends out the generated power to the outside and the generated power receiving part of the conventional power receiving cubicle. It is possible to standardize the sharing of parts in other parts as well, leading to miniaturization and improved maintainability.
[0013]
The partition wall has a water cooling structure filled with water, and the internal water is also used as cooling water for the prime mover. For this reason, the cooler which the prime mover has had conventionally becomes unnecessary, and the volume and the cooling area of the cooling water are increased, so that the cooling effect is also improved. As a result, the temperature of the prime mover is lowered and the efficiency is also improved.
[0014]
Not only the prime mover but also water inside the partition can be used for cooling transformers and other heat generating devices. When the amount of cooling heat is large and the temperature rise of the partition wall is excessive, the cooling water can be led out to the outside as hot water and used as an air conditioner or other heat-using equipment. Can also be released.
[0015]
An exhaust fan is installed in the upper part of the power generation device for ventilation inside the power generation device and cooling inside the power reception cubicle, and air is circulated in the power reception cubicle, the power generation device, and the partition wall. When the amount of heat of cooling is small, a radiator that circulates the cooling water is provided at the upper part of the partition wall, and is cooled by the circulating air by the exhaust fan.
[0016]
The bulkhead is water-cooled with internal water cooling, so heat insulation is great. In the event of a fire, the temperature of the bulkhead does not rise above 100 degrees even if the internal water boils, causing the receiving cubicle side equipment to burn out. Don't worry.
[0017]
【The invention's effect】
As can be seen from the above description, the cubicle type power receiving device of the present invention can combine the power receiving cubicle and the power generating device, which were formerly distributed at two locations, into a single location, greatly reducing the installation area, There is no need to share the foundations, cables to connect the two locations , or pits to store them, which greatly reduces equipment and construction costs and shortens the construction period.
[0018]
Moreover also again fabrication factory, allows standardization of components and manufacturing methods, improved reliability, has the effect of reducing the manufacturing cost, to the upper efficiency improvement of the cooling effect prime mover or other also becomes better equipment . Since water is intervened above all, the heat insulation is remarkably improved and the safety is improved.
[0019]
From the maintenance and inspection aspect, since the number of parts is reduced, standardized, and the place is integrated into one place, labor and cost can be reduced, and reliability can be improved.
[0020]
The amount of water inside the partition wall can be heated to the outside and used effectively for an air conditioner or the like , and can also be released to the outside by a radiator of a cooling tower. These methods, even if the power generation equipment and power receiving equipment becomes large cooling amount of heat by high capacity, easily can correspond by increasing the capacity of an air conditioner and a radiator, a large-scale facilities and multiple generators 1 It becomes possible to install in individual cubicles.
[0021]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic configuration diagram of these conventional apparatuses, and FIGS. 2, 3, and 4 show embodiments of the present invention. That is, FIG. 2 is a configuration diagram of a schematic of a cubicle-type receiving power generator of the present invention, FIG. 3 is a schematic cross-sectional view of the divider portion for insulating the power generation device from other electrical devices, FIG. 4 is generated inside cubicle-type receiving power generator It is the Example which utilized the heat which was performed with the air conditioning apparatus .
[0022]
In Figure 1 showing a conventional structure, 1 is powered cubicle, converts the receiving the high voltage electrical to various electrical, electrical device housing the electrical equipment for power distribution to a load such as a lamp or power to the housing of the steel sheet It is. 2 is a power generator, the prime mover and which the linked generator such as diesel engines, it control panel for controlling these, the generated electricity in the apparatus is housed in a housing of steel plate control panel, etc. for delivery to the outside is there. Power generators are installed for the purpose of reducing electricity charges when electricity consumers have legal obligations to secure power supplies necessary for disaster prevention in the event of a power failure, or when they suffer damage due to a power failure .
[0023]
Conventionally, in FIG. 1, the power receiving cubicle 1 and the power generation device 2 are installed apart from each other, and both are connected by a connection cable 3. Securing the different locations for this, the construction of the foundation work such be separate, connecting cable 3 is also equal to housed in a concrete pit laid therebetween, it takes large costs, construction time was also longer.
[0024]
In the present invention, as shown in FIG. 2, the power receiving cubicle 1 and the power generating device 2 are integrated adjacently to form a cubicle type power receiving device. In addition to the land and foundation construction, the connecting cable is also installed in the cubicle. It can be omitted by passing the electric wire through.
[0025]
However, the generator 2 is required to install a generator or the like in a non-combustible room due to restrictions in the Fire Service Law, and to take measures to prevent the spread of fire spread when the generator or the like is in a fire. In particular, special consideration must be given when the power generation apparatus is adjacent to a power receiving cubicle that incorporates a high voltage electricity and a transformer that changes the voltage as shown in FIG.
[0026]
FIG. 3, which is an embodiment of the present invention, illustrates an example in which a water-cooled partition wall 4 is provided between the power generation device 2 and the power receiving cubicle 1 for heat insulation. In other words, fire or the like generated in the power generator 2 for high heat and not transmitted to the power receiving cubicle 1, a partition wall 4 dividing the the power generator 2 and the power receiving cubicles 1, for example, by facing the steel walls 11 and 12, both A structure in which water 10 is filled in between. The thickness of the water layer or plate constituting the partition wall 4 is determined from conditions such as temperature and heat quantity. The other non-flammable material 20 is pasted on the other inner surface of the power generation device 2 as in the prior art.
[0027]
The heat generated during the fire of the power generation device 2 is transferred from the wall 12 to the water 10 to increase the temperature of the water 10. When the fire is prolonged, the water 10 boils, but the temperature of the wall 11 on the power receiving cubicle side is 100 degrees. Larger does not exceed and internal equipment does not overheat.
[0028]
Although the water 10 may be supplied from the outside , paying attention to the fact that the prime mover 21 in the power generator 2 is usually combined with a radiator that is cooled with water, the partition wall 4 is used as a radiator for the prime mover 21. . In FIG. 3 , water 10 in the partition wall 4 is introduced into the motor 21 through the water pipes 24 a and 24 b and used as cooling water, and the heat is exhausted by the radiator 5 provided in the circulation path of the cooling water 10. This is an example of heat dissipation.
[0029]
The exhaust gas is introduced from an air inlet 15 provided in the power receiving cubicle, cools the power receiving / distributing device 13 and the transformer device 14, and is discharged to the outside by the exhaust fan 6 via the radiator 5 . The exhaust fan 6 is also introduced from the inlet hole 25, ventilates the inside of the power generation apparatus, and bears the exhaust through the exhaust hole 26.
[0030]
When the motor 21 is large capacity, or the number is the amount of heat generated increasingly exceeds the capacity of the radiator 5, as shown in FIG. 4, the hot water pipe 7a of water 10 which temperature is increased for its heating, There is a method of guiding outside through 7b and introducing it into the air conditioner 8, for example , for indoor air conditioning. Instead of the air conditioner, it can also be applied to other heat-using devices, and can be radiated into the air by a heat radiating device such as a cooling tower.
The water 10 can also be used for cooling the transformer 14 such as a transformer or a semiconductor device.
[0031]
Volume of water 10, be changed to the heat radiation amount such as heat radiating device 5, it is adaptable to changes in the capacity of receiving and emitting electrical location of the present invention. As described above, the water-cooled partition wall system is substantially complete with respect to thermal insulation with a simple structure in small size, even if the use of generated heat has a number of features, such as there is diversity.
[Brief description of the drawings]
FIG. 1 is a perspective view showing the overall configuration of a conventional product.
FIG. 2 is a perspective view showing the overall configuration of the present invention.
FIG. 3 is a cross-sectional view showing an example of the embodiment of the present invention.
FIG. 4 is a perspective view showing an example of the embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Power receiving cubicle 2 ... Power generation device 3 ... Connection cable 4 ... Bulkhead 5 ... Radiator 6 ... Exhaust fan 7a ... Hot water pipe 7b ... Hot water pipe 8.・Air conditioner 10 ... water 11 ... wall 12 ... wall 13 ... power receiving / distributing equipment 14 ... transformer 15 ... inlet 20 ... noncombustible material 21 ... primer 22 ... Exhaust pipe 23 ... Muffler 24a ... Water pipe 24b ... Water pipe 25 ... Inlet hole 26 ... Exhaust hole

Claims (1)

A power receiving / transforming device, a power receiving / transforming device housing for housing the power receiving / transforming device, a power generating device, and a power generating device housing for housing the power generating device, the power receiving / transforming device housing and the power generating device A partition filled with cooling water for cooling the power generation device is interposed between the storage unit, and a radiator that dissipates heat of the cooling water to the ventilation is provided above the partition, and the power receiving / transforming device storage unit And the outside of the power generation device storage unit, the radiator is positioned in an air passage separated from the power generation device storage unit, and ventilation from the power receiving / transforming device storage unit to the air passage end through the radiator A cubicle type power receiving device with an exhaust fan to be discharged to the outside.

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