JPH05261314A - Air purification unit - Google Patents

Abstract

PURPOSE:To make it possible to meet the installation conditions of an electric power supply operating unit without increasing the number of parts by providing a feeder means consisting of a feeder unit, an electrically installed equipment box, paired plates and a means to connect one electric power supply operating unit to the other. CONSTITUTION:The subject air purification sit consists of an electric dust collection element 11, a casing 10, an element inlet/outlet 12 and a feeder means E. In addition, the feeder means E is equipped with a feeder unit U2 which applies a high voltage to the electric dust collection element 11, an electrically installed equipment box 20 fixed to the top of the caging 10 with the feeder unit U2, paired plate parts 22, 23 which constitute a lateral wall corresponding to each element outlet/inlet 12 and can be replaced by the other, an electric power supply operating unit U1 which operates the power supply to the feeder sit U2 attached to either of the plate parts, and connection means HT, T12 which make it connectable to the feeder unit U2 even from the lateral wall side corresponding to either of the element outlet/inlets.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air cleaning unit, and more particularly, to an air cleaning unit that is connected to another air conditioning unit as an air conditioning unit.

[0002]

2. Description of the Related Art Generally, an air conditioner for air conditioning in a room is constructed by connecting an air conditioning unit, an air cleaning unit, etc., among which the air cleaning unit collects dust in the air. For collecting the electric dust collecting element, a casing for accommodating the electric dust collecting element inside, an element inlet / outlet for inserting / removing the electric dust collecting element provided on both sides of the casing, and for supplying power to the electric dust collecting element. And a power feeding means of.

The power feeding means is one of a power feeding unit for applying a high voltage to the electrostatic precipitating element, an electric component box fixed to the upper portion of the casing with the power feeding unit accommodated therein, or an electric component box. It is equipped with an electric component such as a power feeding operation unit for operating the power feeding to the power feeding unit by an operation switch while being mounted on the section.

On the other hand, in order to house the electrostatic precipitating element inside the casing, both sides of the casing are
An element doorway that is opened and closed by the service door is formed. Therefore, according to the above-mentioned conventional air cleaning unit, the electrostatic precipitating element can be inserted and removed from any side of the casing, so that it can be installed in an installation place where it can be opened and closed only from one element inlet / outlet side. did it.

[0005]

As described above, in the above-mentioned conventional structure, by providing the element inlet / outlet on both sides of the casing, it is possible to cope with the installation place where only one element inlet / outlet side can be opened and closed. Therefore, the power feeding operation unit needs to be installed on the same side as the element entrance / exit of the one used for inserting and removing the electrostatic precipitating element.

However, which of the element inlets and outlets provided on both sides of the casing can be opened and closed depends on the installation location of the air cleaning unit. Therefore, the location of the power supply operation unit is determined when the product is manufactured. Was difficult. Therefore, it is conceivable to provide the power supply operation unit on both sides of the casing as in the case of the element entrance / exit, but the number of parts is increased or the number of parts is increased accordingly.
There is a problem that the wiring becomes complicated and the manufacturing cost becomes high.

The present invention has been made in view of the above problems, and it is possible to change the arrangement location of the power feeding operation unit according to the opening and closing of the element opening and closing, and moreover, the wiring and maintenance work can be simply performed. It is intended to provide an inexpensive air cleaning unit that can be manufactured.

[0008]

In order to solve the above-mentioned problems, an air cleaning unit of the present invention comprises an electric dust collecting element for collecting dust in the air, and a casing for housing the electric dust collecting element therein. An element inlet / outlet provided on both sides of the casing and opened / closed for inserting / removing the electric dust collecting element, and a power feeding unit for feeding power to the electric dust collecting element are provided, and the power feeding unit is the electric dust collecting unit. A power supply unit for applying a high voltage to the element, an electrical component box fixed to the upper part of the casing in a state of housing the power supply unit, and a side wall corresponding to each element inlet and outlet of the electrical component box, A pair of plate portions that can be replaced with each other, and a power feeding operation unit that is mounted on either of the pair of plate portions and that controls power feeding to the power feeding unit. When, it is characterized in that it comprises a connection means connectable to said power supply unit from the side wall of the feeding operation unit, corresponding to any of the elements doorway.

The power supply operation unit may include a power supply terminal board. Further, the power supply unit may include a plurality of high voltage generators and a relay terminal connecting the high voltage generators.

[0010]

According to the air cleaning unit having the above structure, the side wall of the electric component box corresponding to each element inlet / outlet is composed of a pair of plate parts which can be replaced with each other, and is mounted on either one of the plate parts. Since the power feeding operation unit is provided with connecting means capable of connecting to the power feeding unit from the side wall side corresponding to any element entrance / exit,
Depending on the installation conditions of the device, the power feeding operation unit can be arranged on the same side as the element entrance / exit of the one used for inserting and removing the electrostatic precipitating element.

When the power feeding operation unit is provided with a power supply terminal board, the power supply terminal board can also be arranged on the same side as the element entrance / exit of the one used for inserting and removing the electrostatic precipitating element. .. Further, when the power supply unit includes a plurality of high-voltage generators and a relay terminal that connects the high-voltage generators, the high-voltage generators may be wired by the relay terminals. As a result, the wiring can be simplified.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is an enlarged perspective view of an essential part of an air cleaning unit in this embodiment, and FIG. 2 is a perspective view showing the entire air cleaning unit. With reference to these drawings, the air cleaning unit constitutes a casing and also serves as a connecting member with other air cleaning units such as an air conditioner and a fan chamber.
Is equipped with. The casing 10 is configured by combining an angle and a sheet metal member into a substantially shelf shape,
A large number of electrostatic precipitating elements 11 are housed inside.
The electrostatic precipitating elements 11 are connected to each other in series so as to be separable from each other, and a DC high voltage is supplied from a power feeding means E described later in detail through a terminal (not shown) to remove dust in the air. It is for collecting.

In order to insert and remove the electrostatic precipitating element 11 into and from the casing 10, element inlets and outlets 12 and 13 are formed on both sides of the casing 10. Each of the element entrances and exits 12 and 13 is openably and closably covered by service doors 14 and 15 having one end supported by a hinge h. An electrical component box 20 that constitutes the outer shell of the power feeding means E is fixed to the upper portion of the casing 10.

Referring to FIG. 1, this electrical equipment box 20 is shown.
Is configured by combining sheet metal members formed into a plate shape by press molding, and includes a base portion 21 fixed to the top plate 10 a of the casing 10. Base part 2
1 is formed in a substantially U-shaped cross-sectional shape that opens upward, and extends long along the width direction of the casing 10.
A pair of plate portions 22 and 23, which form the side wall of the electrical component box 20, are detachably arranged at both ends of the base portion 21. The plate portions 22 and 23 are placed on the casing top plate 10a and placed on the casing top plate 10a.
A press-formed product integrally provided with standing pieces 22b and 23b which stand vertically from a, and extending pieces 22c and 23c which extend around the standing pieces and extend in the opposite direction to the corresponding mounting pieces 22a and 23a. Is. The placement pieces 22a and 23a are detachably fixed to the casing top plate 10a by screws 24 and 25, respectively. Further, screw holes 2c and 3c are respectively screwed into the top plate portions of the extending pieces 22c and 23c, and the top plate portions of the electrical component box 20 are screwed by the screws 26 and 27 screwed into the screw holes 2c and 3c. 28 is fixed to the upper end portion of the base portion 21 and the top plate portions of the extending pieces 22c and 23c.

In the above structure, as shown in FIG. 3A, one of the plate portions 22 and 23 is one plate portion 2
2 turns ON / OFF the power supply to the electrostatic precipitator element 11.
Operation switch SS1 to F, ON of operation switch SS1
An electric component such as a display lamp L for displaying OFF and a power supply terminal board B to which a voltage of, for example, 200 V is applied from a power source (not shown) is provided, and these operation switches SS1, display lamp L, power supply terminal board are provided. A power supply operation unit U1 including a power supply operation circuit C1 is configured by an electric component such as B.

On the other hand, a large number of high voltage generators H are arranged on the inner bottom surface of the base portion 21 of the electrical component box 20, and the high voltage generators H are connected in parallel by relay terminals HT. Has been done. The high voltage generator H, the relay terminal HT and the like constitute a power feeding unit U2 including a power feeding circuit C2 for applying a high voltage of 5000 V to the electrostatic precipitating element 11.

Further, in the casing 10, when one or both of the service doors 14 and 15 are opened so as to face the service doors 14 and 15 (see FIG. 1), power is supplied to the power supply circuit C2. Safety switch DS to prevent
1 and DS2 are installed, and these safety switches DS
1 and DS2 constitute a safety switch unit U3 including a safety switch circuit C3.

Among the above-mentioned units U1, U2 and U3, the power feeding operation unit U1 and the safety switch unit U3
Each of the circuits C1 and C3 has a pair of connection terminals T1.
1, T12, T31, T32 are provided, and the circuit C2 of the power feeding unit U2 is provided with the relay terminal HT as a connection terminal that projects from the high voltage generators H at both ends.

The pair of connection terminals T11 and T12 provided in the power feeding operation circuit C1 are mounted on the one plate portion 22. Also, the connection terminal T3 of the safety switch circuit C3
1, T32, one side (connection terminal T31) is one plate portion 2
It is arranged on the second side, and the other (connection terminal T32) is arranged on the other plate portion 23 side. The connection terminal T31 and the connection terminal (relay terminal) HT of each of the circuits C2 and C3 arranged on the one plate portion 22 side are connected to the connection terminals T11 and T12 of the power feeding operation circuit C1, respectively. The other plate 2
The connection terminal T32 of the circuit C3 arranged on the third side is short-circuited by the short-circuit terminal T41. Connection terminal T32 of the safety switch circuit C3 connected to the short-circuit terminal T41,
And the relay terminal HT as a connection terminal of the power feeding circuit C2,
It is configured so that it can be replaced with the connection terminals T11, 12 of the power feeding operation unit U1. Therefore, according to the present embodiment, the one plate portion 22 and the other plate portion 23 are arranged corresponding to the desired element inlet / outlet ports 12 and 13, and the terminals T11 and T1 are provided.
2 and T41 are connected to terminals T31, T32, and HT of circuits C3 and C2, respectively, in accordance with the arrangement of the plate portions 22 and 23, so that the power feeding operation unit is connected as shown in FIG. 3 (A, B). U1 can be any element entrance / exit 12 (1
Power supply unit U2 from the side wall of the box corresponding to 3)
It is possible to connect to.

According to the above configuration, by turning on the operation switch SS1 of the power feeding operation circuit C1, the current flowing from the power source (not shown) through the power supply terminal board B changes from the power feeding operation circuit C1 to the power feeding circuit C2 and the safety switch circuit. Attempt to flow through C3. At this time, the safety switch DS of the safety switch circuit C3
When both 1 and DS2 are closed, the whole circuit C1,
The electric current flows through C2 and C3, so that the power feeding operation circuit C
When the lamp L of No. 1 is turned on, the current flowing through the circuit by each high voltage generator H becomes a high voltage of 5000 V, for example, and this high voltage is passed through terminals (not shown) to the respective electrostatic precipitating elements 11 (FIG. 1, FIG. 2)).

On the other hand, any one of the switches SS1 and DS
When 1 and DS2 are opened, no current flows through the circuits C1 to C3, the lamp L of the power feeding operation circuit C1 is extinguished, and power feeding to the electrostatic precipitating element 11 is blocked. As described above, according to the air cleaning unit having the above configuration, the side walls of the electrical component box 20 corresponding to the respective element inlets / outlets 12 and 13 can be replaced with a pair of plate portions 22 and 23.
In addition, the power supply operation unit U1 mounted on one of the plate portions 22 and 23 can be connected to the power supply unit U2 from the side wall side corresponding to any of the element inlets and outlets 12 and 13. Terminal T1 as means
2. Since the HT is provided, it is possible to arrange the power feeding operation unit U1 on the same side as the element inlet / outlet 12 (13) used for inserting and removing the electric dust collecting element 11 depending on the installation conditions of the device. it can. Therefore, according to this embodiment, the power feeding operation unit U can be provided without increasing the number of parts.
1 can be made to correspond to the installation conditions, and the power feeding operation can be performed at the place where the maintenance work of the electrostatic precipitating element 11 is performed.

Further, since the power supply operation unit U1 is provided with the power supply terminal board B, the power supply terminal board B is also on the same side as the element inlet / outlet ports 12 and 13 used for inserting and removing the electrostatic precipitating element 11. Can be placed. Therefore, in the present embodiment, there is an advantage that power distribution for power supply can be performed corresponding to the installation conditions, and the maintenance work and the like can be facilitated accordingly.

Further, since the power supply unit U2 is provided with a plurality of high voltage generators H and a relay terminal HT connecting the high voltage generators H, the relay terminal HT allows a large number of high voltage generators H to be connected. As a result, the wiring can be simplified and the wiring can be simplified. Therefore, in this embodiment, the wiring work is facilitated and the manufacturing cost can be reduced.

Further, since the power feeding unit U2 is also connected to the safety switch unit U3 that blocks power feeding to the power feeding unit U2 when one or both of the element ports 12 (13) are opened, the element inlet / outlet 12 , 13 safety switches DS1 and DS
As a result of being able to operate 2, the maintenance work and the like can be performed safely.

It is needless to say that the above-mentioned embodiments are merely examples of preferred embodiments of the present invention, and that various design changes can be made without departing from the scope of the present invention. Absent.

[0026]

As described above, according to the present invention, the power feeding operation unit is arranged on the same side as the element inlet / outlet used for inserting / pulling out the electrostatic precipitating element, depending on the installation conditions of the apparatus. Therefore, the power feeding operation unit can be adapted to the installation condition without increasing the number of parts, and the power feeding operation can be performed at the place where the maintenance work of the electrostatic precipitating element can be performed. Play.

When the power feeding operation unit is provided with a power supply terminal board, the power supply terminal board can also be arranged on the same side as the element entrance / exit of the one used for inserting and removing the electrostatic precipitating element. Therefore, power distribution for power supply can be performed according to the installation conditions, and there is an advantage that maintenance work and the like can be facilitated accordingly. Further, when the power supply unit includes a plurality of high voltage generators and a relay terminal connecting between the high voltage generators, a wiring may be provided between the high voltage generators by the relay terminals. As a result, the wiring can be simplified. Therefore, the wiring work is facilitated and the manufacturing cost can be reduced.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a main part of an air cleaning unit according to an embodiment of the present invention.

FIG. 2 is an overall perspective view showing an outline of the air cleaning unit.

FIG. 3 is a schematic wiring diagram of the air cleaning unit,
1A is a schematic wiring diagram corresponding to FIG. 1, and FIG. 1B is a schematic wiring diagram showing a state in which a power feeding operation unit is arranged on the side opposite to FIG.

[Explanation of symbols]

 11 Electrostatic precipitator element 10 Casing 12 Element inlet / outlet 13 Element inlet / outlet 22 Plate portion 23 Plate portion B Power supply terminal board E Power supply means H High voltage generator HT Relay terminal (connecting means) T12 Connection terminal (connecting means) U1 Power supply operation unit U2 Power supply unit

Claims (3)

[Claims] 1. An electric dust collecting element (11) for collecting dust in the air, and a casing (1) for housing the electric dust collecting element (11) therein.
0), element inlets and outlets (12, 13) provided on both sides of the casing (10) and opened and closed to insert and remove the electrostatic dust collecting element (11), and power is supplied to the electrostatic dust collecting element (11). Power supply means for
(E), the power supply means (E) is a casing in which the power supply unit (U2) for applying a high voltage to the electrostatic precipitator element (11) and the power supply unit (U2) are housed. (Ten)
The electrical equipment box (20) fixed to the upper part of the electrical equipment box (20) constitutes a side wall of the electrical equipment box (20) corresponding to each element inlet / outlet (12, 13), and a pair of plate portions (22, 23) and a power supply operation unit (U) for operating power supply to the power supply unit (U2), which is mounted on one of the pair of plate parts (22, 23).
1) and the power supply operation unit (U1)
An air purification unit comprising: 13) and a connecting means (T12, HT) that can be connected to the power supply unit (U2) from the side wall side corresponding thereto. 2. The power supply operation unit (U1) is a power terminal board.
The air cleaning unit according to claim 1, comprising (B). 3. The power supply unit (U2) according to claim 1, comprising a plurality of high voltage generators (H) and a relay terminal (HT) connecting between the high voltage generators (H). Air cleaning unit.