JP2003031982A - Electric counter and pump car provided with the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To properly cool electric equipment inside an electric counter at a low cost without increasing size and weight. SOLUTION: An electric equipment storage part 24, where an electric equipment such as a transformer 41, an inverter 42 or the like is stored, is provided inside a housing 11a. A machinery storage space part 32, adjacent to the electrical equipment storage part 24 is formed of a division wall 33 inside the housing 11a. A suction port 43 is formed below the division wall 33, and an exhaust port 44 is formed above it. An electromotive fan 45 for sucking out air of the electrical equipment storage part 24 to the machinery storage space part 32 side is provided to the exhaust port 44. The machinery storage space part 32 is divided into a suction side space part 52a, communicating with the suction port 43 and an exhaust side space part 52b communicated with the exhaust port 44 by means of a shelf part 51. A suction window 53, communicating with the suction side space part 52a and an exhaust window 54 communicated with the exhaust side space part 52b, are formed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is mounted on a vehicle equipped with various drive devices such as a pump, and stores electric equipment for adjusting and supplying electric power from a generator for driving the drive device. The present invention relates to a board and a pump vehicle equipped with the board.

[0002]

2. Description of the Related Art Conventionally, for a vehicle equipped with a drive device such as a drain pump, a fire pump, a water pump, etc., the electric power from a generator is adjusted to drive the drive device. It is equipped with an electric board that houses the electrical equipment to be supplied. As a vehicle equipped with this type of electric panel, a drainage pump vehicle that drains water at the inundation site during a flood or the like will be described as an example.

In FIG. 10, reference numeral 1 is an electric board, and the electric board 1 is mounted on a cargo bed 4 of a vehicle 3 together with a storage box 2 in which a drainage pump P described later is stored. A generator 5 is also mounted as a power source on the loading platform 4 of the vehicle 3, and the electric power from the generator 5 is controlled by an electric device such as a transformer or an inverter in the electric panel 1 to the drain pump P. It is supplied and driven. Note that another power source such as a battery may be used instead of the generator 5. Then, in the drainage pump vehicle having the above electric panel 1, as shown in FIG.
At the inundation site, first, the drainage pump P in the storage box 2 is pulled out, and this drainage pump P is installed at the inundation site. Also,
If necessary, a light (not shown) stored in the storage box 2 is taken out and installed to illuminate the work site. In this state, the electric pump 1 drives the drainage pump P. Also, the light is turned on.

In this way, the electric power from the power source such as the generator 5 is supplied to the drainage pump P and the lights via the transformer and the inverter in the electric panel 1, and the drainage pump P from the inundation place via the hose 6. Water is pumped up.

By the way, in the electric panel 1 in which various electric devices such as a transformer and an inverter are built in, in order to cool the electric devices therein, an intake port 7 is provided on the lower side of the casing 1a.
The exhaust ports 8 are provided on the upper side, respectively, and air is taken in through the intake ports 7 by an electric fan and exhausted through the exhaust ports 8 to cool various electric devices which are heating elements installed inside.

[0006]

By the way, in addition to the drainage pump car, the electric panel 1 of the pump car which is used outdoors and is often used in rainy weather is equipped with an electric device that is vulnerable to moisture. Therefore, it is necessary to take sufficient waterproofing measures against intrusion of rainwater. Therefore, not only the intake port 7 for taking in air for cooling, but also the intake port 7, in order to reliably prevent rainwater from falling from the exhaust port 8,
It is necessary to install a filter on the exhaust port 8, form a shape that does not allow rainwater to fall, and take various dedicated waterproof measures, which leads to an increase in size and weight of the electric panel 1,
As a result, the cost was increased.

The present invention has been made in view of the above circumstances, and at a low cost without causing an increase in size and weight,
It is an object of the present invention to provide an electric panel capable of satisfactorily cooling internal electric devices and a pump car including the electric panel.

[0008]

In order to achieve the above object, an electric board according to claim 1 is an electric board provided with an electric device housing portion for housing various electric devices in a housing. A space portion adjacent to the electric device storage portion is formed in the housing, and the space portion and the electric device storage portion are provided on a partition wall that divides the space portion and the electric device storage portion. An intake port and an exhaust port are formed to communicate with each other, and the air in the space part is drawn into the electric device storage part and the air in the electric device storage part is drawn into the space in the intake port and / or the exhaust port. It is characterized in that a ventilation means for exhausting air to the section is provided.

That is, since the air for cooling the electric equipment in the electric equipment housing is drawn from the space adjacent to the electric equipment housing and then sent out to the space, the cooling air is externally supplied to the electric equipment. Compared to the case where it is directly taken into the storage part and exhausted to the outside, it cools the electrical equipment inside the electrical equipment storage area without applying a special waterproof structure and without water droplets such as rainwater entering the electrical equipment storage area. be able to. As a result, it is possible to suppress the size increase and the weight increase due to the special waterproof structure, and to reduce the cost. Further, as compared with the structure in which the outside air is directly taken into the electric device housing portion, it is possible to reliably prevent the intrusion of dust and the like, and it is possible to eliminate the adverse effect of the dust on the electric device.

According to a second aspect of the present invention, in the electric panel according to the first aspect, the space portion is provided on a side of the electric device storage portion, and the intake port is formed below the partition wall. The exhaust port is formed above the partition wall.

As described above, since the air taken in from below can be exhausted from above, the electric equipment in the electric equipment housing can be cooled well along the flow of heat.

An electric board according to a third aspect of the present invention is the electric board according to the first or second aspect, wherein the air blowing means is provided at the exhaust port.

That is, the air inside the electric device housing portion is sucked out to the space portion by the air blowing means provided at the upper exhaust port, so that the air inside the electric device housing portion is surely sucked out and exhausted, and the air inside the electric device housing portion is sucked out. The electric equipment can be cooled by sucking it in.

An electric board according to a fourth aspect is the electric board according to any one of the first to third aspects, wherein the space portion is an intake side space portion which communicates with at least the intake port by a partition plate. The housing is divided into an exhaust side space communicating with the exhaust port, and the housing has an intake window communicating the intake side space with the outside, and an exhaust window communicating the exhaust side space with the outside. Is formed.

That is, the outside air is taken into the electric equipment housing portion from the intake window through the intake side space portion, and then the air in the electric equipment housing portion is exhausted to the outside through the exhaust side space portion. Even if the intake window is not provided with a special waterproof structure, it is possible to reliably remove water droplets such as rainwater entering from the intake window in the intake side space portion and guide the outside air into the electric device storage portion.

According to a fifth aspect of the present invention, in the electric panel according to any one of the first to fourth aspects, the space portion is an equipment storage space portion capable of storing various equipment. It has a feature.

As described above, since the space portion is the equipment storage space portion capable of storing various equipments, particularly when the electric board is not used, various equipments can be stored in the space portion, The space can be effectively used.

An electric board according to a sixth aspect is the electric board according to any one of the first to fifth aspects, wherein the electric device is fixed to the partition wall.

That is, the heat of the electric device fixed to the partition wall can be dissipated to the entire housing through the partition wall, which is particularly suitable for electric devices such as inverters which are easily affected by heat. .

A pump car according to a seventh aspect of the present invention is an electric panel in which a power source such as a generator installed on a bed of the vehicle and an electric device for adjusting the electric power from the power source and supplying the electric power to the pump are driven. In a pump vehicle including the electric vehicle, the electric board according to any one of claims 1 to 6 is provided on a bed of the vehicle as the electric board.

As described above, the electric panel for adjusting the electric power to the pump for pumping water and discharging water can cool various electric devices in the electric device housing without providing a special waterproof structure. In addition, since the size, weight, and cost are reduced, it is possible to reduce the size of the vehicle in which the electric panel is mounted on the cargo bed together with the power source such as the generator, and it is possible to reduce the facility cost. .

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an electric board according to an embodiment of the present invention and a pump vehicle including the electric board will be described with reference to the drawings. In FIG. 1, reference numeral 11 is an electric board of the present embodiment, and the electric board 11 is installed on a bed 13 of a vehicle 12. In addition, the vehicle 12 has a loading platform 13
A generator 14 is installed as a power source on the rear side of.
The electric board 11 is provided with a plurality of connectors 15 at the lower end portion on the front side thereof.
A generator 14, a ground rod 17, a drainage pump P, and a light 18 are connected to this via a cable 19.

Next, a specific structure and structure of the electric board 11 installed on the loading platform 13 of the vehicle 12 will be described with reference to FIGS. 2 to 7. As shown in the figure, this electric board 11
Is provided with a door 21 that can be opened and closed on the front surface of a housing 11a that constitutes the electric board 11, and one of these doors 21 has a drain pump P and a light 1 connected to a connector 15.
An operation panel 22 that is operated to turn ON / OFF the drive of 8 and control it, and a display panel 23 that displays the drive state of the drainage pump P, the light 18, and the like are provided.

The electric panel 11 has an electric equipment housing 24 on the side that is opened and closed by the door 21, and various electric equipment is housed in the electric equipment housing 24. Further, the electric board 11 is provided with a door 31 that can be opened and closed on the rear surface thereof, and the side opened and closed by these doors 31 is an equipment storage space 32. Then, the electric device storage section 24 and the equipment storage space section 32 of the electric board 11 are partitioned by a partition wall 33.

A transformer 41 is provided below the electric equipment housing portion 24, and the partition wall 3 is provided in the central portion.
3 is provided with an inverter 42 that is closely fixed by a jig or the like. Further, the partition wall 33 is provided with an intake port 43 and an exhaust port 44 respectively on the lower side and the upper side thereof, and the exhaust port 44 is provided on the electric device housing section 24 side with an electric fan (blowing means). 45 are provided.

The equipment storage space 32 is vertically divided into a plurality of storage spaces 52 by a plurality of shelves (partition plates) 51 arranged in the horizontal direction.
The intake port 43 is communicated with the upper storage space 52,
The exhaust port 44 is connected. Here, in the equipment storage space 32, in the lower storage space 52, the drainage pump P
And the cable 19 are stored, and the storage space 52 in the middle stage
The hose 6 connected to the drainage pump P is housed therein, and the light 18 and the cable 19 are housed in the housing space 52 in the upper stage. The lower storage space 52 is the intake space 52a, and the upper storage space 52 is the exhaust space 52b.

An intake window 53 is formed below the door 31 for opening and closing the equipment storage space 32, and an exhaust window 54 is formed above the door 31. Then, the intake window 53 communicates with the intake side space 52a, and the exhaust window 54
Are communicated with the exhaust side space 52b.

Next, a case will be described in which drainage work is performed in a flooded place by a drainage pump vehicle equipped with the electric board 1 having the above structure. First, the door 31 on the back side of the electric panel 11 installed on the loading platform 13 of the vehicle 12 is opened to open the equipment storage space 32. Then, the equipment such as the drainage pump P, the light 18, the cable 19 and the hose 6 stored in the respective storage spaces 52 of the equipment storage space 32 is taken out, and the cables 19 of the drainage pump P and the light 18 are connected to the electric board. 11 to the connector 15. Then, when the equipment such as the drainage pump P, the light 18 cable 19 and the hose 6 is taken out, the door 31 is closed and the equipment storage space 32 is closed.

The hose 6 is connected to the drainage pump P,
The end portion is arranged in a river on the drainage side, and the drainage pump P is installed in the flooded place. A cable 19 for supplying electric power from a power source such as the generator 14 is also connected to the connector 15 for inputting electric power of the electric panel 11.

In this state, the drainage pump P is driven by the operation panel 22 provided on the front surface of the electric panel 11, and the light 18 is turned on if necessary. By doing so, the water in the inundation site sucked up by the drainage pump P is sent out to the drainage site such as a river through the hose 6, and the inundation site is drained.

Here, when various kinds of equipment are driven by the electric board 11 as described above, the electric equipment 11 is provided at the exhaust port 44 at the upper part of the partition wall 33 which partitions the equipment storage space 32 of the electric board 11. The electric fan 45 is driven.

As a result, as shown in FIG. 8, the intake window 53 provided below the door 31 on the equipment storage space 32 side.
Outside air is sucked into the intake side space 52a from the inside, and thereafter, the sucked outside air is guided into the electric equipment housing portion 24 through the intake port 43 provided on the lower side of the partition wall 33, and further, this electric equipment. After the storage portion 24 is made to flow from the lower side to the upper side, the exhaust port 44 is opened by the electric fan 45.
To the exhaust side space 52b of the equipment storage space 32, and is exhausted to the outside from an exhaust window 54 formed in the door 31 communicating with the exhaust side space 52b.

As a result, in the electric equipment housing portion 24, the air sucked from the lower intake port 43 and sent out from the upper exhaust port 44 is fixed to the transformer 41 and the partition wall 33 disposed at the bottom inside thereof. The electric devices that generate heat, such as the generated inverter 42, are cooled. Further, at this time, the cooling air sucked from the intake port 43 is sufficiently reduced in flow velocity through the intake side space portion 52a of the equipment storage space portion 32, and the water droplets contained therein are sufficiently removed, It is sent to the electric device storage section 24.

As described above, the electric board 11 of the above-described embodiment is used.
According to the method, the cooling air sucked from the intake port 43 is sufficiently reduced in flow rate through the intake side space 52a of the equipment storage space 32, and the water droplets contained therein are sufficiently removed to generate electricity. Since the water is sent to the equipment storage portion 24, the influence of water droplets contained in the cooling air on the electric equipment can be eliminated, and further, the intrusion of dust into the electric equipment storage portion 24 can be suppressed and the electric equipment can be prevented. The adverse effect can be eliminated.

Further, since each storage space portion 52 of the equipment storage space portion 32 is simply a space portion for storing various kinds of equipment, a little rainwater falls from the intake window 53 and the exhaust window 54. However, there is no problem, and therefore, the intake port 43 and the intake window 5 for taking the cooling air into the electric device housing section 24.
4, and an exhaust port 44 for exhausting the electric device storage 24,
It is possible to eliminate the need to provide the exhaust window 54 with a special waterproof structure.

That is, as compared with the case where cooling air is directly taken into the electric device storage portion 24 from the outside and exhausted to the outside, the electric device storage is performed without water droplets such as rainwater entering the electric device storage portion 24. The electric equipment such as the transformer 41 and the inverter 42 in the portion 24 can be cooled, and the increase in size and the increase in weight due to the special waterproof structure can be suppressed,
The cost can be reduced.

Further, since the air taken in from below is exhausted from above, the electric equipment in the electric equipment housing portion 24 can be cooled well along the flow of heat. Moreover, the electric fan 45 provided at the upper exhaust port 44 sucks the air in the electric device housing portion 24 into the equipment housing space portion 32, so that the air in the electric device housing portion 24 is surely sucked out and exhausted. The electric device can be cooled by sucking it into the electric device housing portion 24 from the mouth 43.

Further, the space for intake and exhaust with respect to the electric equipment housing 24 is the drainage pump P and the light 1.
8. Since it is an equipment storage space for storing various equipment such as cables 19 and hoses 6, in particular, when the electric board 11 is not used, it is possible to store various equipment inside and effectively use the space. Can be planned. Further, the heat of the electric device fixed to the partition wall 33 can be released to the entire housing 11a via the partition wall 33, which is particularly suitable for the electric device such as the inverter 42 which is easily affected by heat. Is.

According to the drainage pump vehicle equipped with the above-mentioned electric board 11, the electric board 11 for adjusting the electric power to the drainage pump P for pumping water does not need to be provided with a special waterproof structure, and can be used as an electric vehicle. Since various electric devices in the device housing portion 24 can be satisfactorily cooled, and the size, weight, and cost are reduced, the electric panel 1 together with the generator 14 can be cooled.
It is possible to reduce the size of the vehicle 12 in which the vehicle 1 is mounted on the luggage carrier 13 and reduce the facility cost.

In the above example, the electrical equipment storage section 24
Although the equipment storage space 32 and the equipment storage space 32 are arranged side by side in the horizontal direction to be integrated, the electric equipment storage portion 24 and the equipment storage space 32 may be arranged side by side in the vertical direction to be integrated. In this case, the lower side is used as the equipment storage space 32, and air is taken into the storage space 32 from the equipment storage space 32 on the lower side to guide it to the electric equipment storage 24 on the upper side. It suffices that air is exhausted from the electric device storage portion 24 to the outside through the other storage space portion of the equipment storage space portion 32 on the lower side.

Further, in the above embodiment, the door 31 for opening and closing the equipment storage space 32 is provided with the intake window 53 and the exhaust window 5.
4, the air is introduced from the outside, and the electric device storage portion 24 is provided.
Although the structure in which the electric equipment in the inside is exhausted to the outside after being cooled, as shown in FIG.
4, the notches 55 and holes are formed in the shelf 51 of the equipment storage space 32 so that the storage spaces 52 of each stage are communicated with each other, and the exhaust port 44 of the electric equipment storage 24 is formed.
The air exhausted from the device is guided to the lower side of the equipment storage space 32, and the air is circulated so that the electric equipment in the electric equipment storage 24 is cooled so as to be fed again from the intake port 43 into the electric equipment storage 24. You may do it.

By doing so, it is possible to more reliably prevent the dust contained in the outside air from entering the electric equipment housing portion 24, and it is possible to prevent the dust from adversely affecting the electric equipment.

In the above example, the electric board 11 is connected to the vehicle 1.
Although the drainage pump vehicle mounted on the loading platform 13 of No. 2 has been described, the electric panel 11 is not limited to the drainage pump vehicle, and requires an electrical panel 11 for driving various equipment, for example, a fire pump vehicle, a water pump vehicle. Of course, it can be applied to the above. Further, in the above example, the generator 12 is mounted on the vehicle 12 as a power source and the electric power from the generator 14 is supplied to the electric panel 11. However, as a power source for transmitting electric power to the electric panel 11, It is not limited to machines.

[0044]

As described above, according to the electric board of the present invention and the pump vehicle including the electric board, the following effects can be obtained. According to the electric panel of claim 1, the air for cooling the electric equipment in the electric equipment housing is drawn from the space adjacent to the electric equipment housing and then sent out to the space. Compared to the case where air is directly taken into the electrical equipment storage part from the outside and exhausted to the outside, no special waterproof structure is provided, and water droplets such as rainwater do not enter the electrical equipment storage part and The electric equipment can be cooled. As a result, it is possible to suppress the size increase and the weight increase due to the special waterproof structure, and to reduce the cost. Further, as compared with the structure in which the outside air is directly taken into the electric device housing portion, it is possible to reliably prevent the intrusion of dust and the like, and it is possible to eliminate the adverse effect of the dust on the electric device.

According to the electric panel of claim 2, the air taken in from below can be exhausted from above, so that the electric equipment in the electric equipment housing can be cooled well along the flow of heat. You can

According to the electric panel of the third aspect, the air in the electric equipment storage section is sucked into the space by the air blower provided at the upper exhaust port, so that the air in the electric equipment storage section is surely sucked and exhausted. Then, the electric device can be cooled by sucking it from the intake port into the electric device housing portion.

According to the fourth aspect of the present invention, the outside air is taken into the electric equipment storage portion from the intake window through the intake side space portion, and then the air in the electric equipment storage portion is passed through the exhaust side space portion. Since the air is exhausted from the exhaust window to the outside, raindrops and other water droplets entering from the intake window can be reliably removed in the intake side space without the need for a special waterproof structure on the intake window, and the outside air can be released into the electrical equipment storage section. I can guide you.

According to the electric board of the fifth aspect, the space portion is an equipment storage space portion capable of accommodating various kinds of equipment. Therefore, when the electric board is not used, various types of equipment are stored in the space portion. The equipment can be stored and the space can be effectively used.

According to the electric panel of the sixth aspect, the heat of the electric device fixed to the partition wall can be released to the entire housing through the partition wall, which makes it particularly susceptible to heat. It is suitable for electrical equipment such as inverters.

According to the pump vehicle equipped with the electric board according to the seventh aspect, the electric board for adjusting the electric power to the pump for pumping water or discharging water does not have to have a special waterproof structure to store electric equipment. It can cool various electric devices in the department well, and it is small, lightweight, and low cost, so it is also possible to miniaturize the vehicle in which the electric panel is mounted on the cargo bed together with the power source such as the generator. Therefore, the facility cost can be reduced.

[Brief description of drawings]

FIG. 1 is a side view of a drainage pump vehicle equipped with an electric panel according to an embodiment of the present invention.

FIG. 2 is a front view of the electric board for explaining the configuration and structure of the electric board according to the embodiment of the present invention.

FIG. 3 is a cross-sectional view of an electric board for explaining the structure of an electric device housing portion of the electric board according to the embodiment of the present invention.

FIG. 4 is a rear view of the electric board for explaining the configuration and structure of the electric board according to the embodiment of the present invention.

FIG. 5 is a cross-sectional view of an electric board for explaining the structure of an equipment storage space portion of the electric board according to the embodiment of the present invention.

FIG. 6 is a transverse cross-sectional view of an electric board for explaining the configuration and structure of the electric board according to the embodiment of the present invention.

FIG. 7 is a vertical cross-sectional view of an electric board for explaining the configuration and structure of the electric board according to the embodiment of the present invention.

FIG. 8 is a vertical cross-sectional view of an electric board for explaining the flow of air in the electric board according to the embodiment of the present invention.

FIG. 9 is a vertical cross-sectional view of an electric board for explaining the flow of air in the electric board of another embodiment of the present invention.

FIG. 10 is a perspective view of a drainage pump vehicle for explaining the configuration and structure of a conventional drainage pump vehicle equipped with an electric panel.

FIG. 11 is a perspective view of a drainage site for explaining drainage work by a drainage pump vehicle.

[Explanation of symbols]

11 electric board 11a housing 12 vehicles 13 cargo bed 14 generator 24 Electrical equipment storage 32 Equipment storage space (space) 33 division wall 41 Transformer (electrical equipment) 42 Inverter (electrical equipment) 43 Inlet 44 exhaust port 45 Electric Fan (Blower) 51 Shelf (partition plate) 52a Intake side space (space) 52b Exhaust side space (space) 53 Air intake window 54 Exhaust window P drainage pump (pump)

Claims (7)

[Claims] 1. An electric board provided with an electric device storage portion for storing various electric devices in a housing, wherein a space portion adjacent to the electric device storage portion is formed in the housing, An intake port and an exhaust port for communicating the space section and the electric device storage section are formed in a partition wall that divides the space section and the electric device storage section, and either or both of the intake port and the exhaust port are formed. On one side, an electric board is provided, which is provided with a blowing unit that draws air in the space into the electric device housing and exhausts air in the electric device housing into the space. 2. The space portion is provided on a side of the electric device housing portion, the intake port is formed below the partition wall, and the exhaust port is formed above the partition wall. The electric board according to claim 1, wherein the electric board is provided. 3. The electric board according to claim 1, wherein the air blower is provided at the exhaust port. 4. The space part is divided by a partition plate into at least an intake side space part communicating with the intake port and an exhaust side space part communicating with the exhaust port.
The intake window for communicating the intake side space portion with the outside, and the exhaust window for connecting the exhaust side space portion with the outside are formed. Electric board. 5. The equipment space space for accommodating various kinds of equipment is formed in the space portion.
An electric panel according to any one of 4 to 4. 6. The electric panel according to claim 1, wherein the electric device is fixed to the partition wall. 7. A pump vehicle having a power supply installed on a bed of a vehicle and an electric panel accommodating electric equipment for adjusting and supplying electric power from the power supply to the pump to drive the pump.
A pump vehicle comprising the electric board according to any one of claims 1 to 6 as the electric board on a bed of the vehicle.