Electric precipitator
The present invention relates to an electric precipitator which adsorbs and filters fine dust included in air from air conditioning apparatuses such as an air conditioner or an air purification apparatus, wherein an electric charging part and a precipitating part to which high voltage is applied do not adversely affect each other and may increase precipitation efficiency.
1. An electric precipitator comprising:
an electric charging part receiving a first high voltage applied thereto and applying electric charges to dust; and
a precipitating part including first precipitating plates to which a first low voltage having a lower level than the first high voltage is applied and second precipitating plates to which a second high voltage having a higher level than the first low voltage is applied, in order to precipitate the dust charged in the electric charging part,
wherein the electric charging part is disposed to be farther spaced apart from the second precipitating plates than the first precipitating plates in a portion or entirety thereof,
wherein the precipitating part includes a first fixing member including first supports elongated in the length direction to fix positions of the first precipitating plates,
wherein the precipitating part includes a second fixing member including second supports elongated in the length direction to fix positions of the second precipitating plates,
wherein the first precipitating plates has first insertion grooves which are formed at one side thereof in a width direction and into which the first supports of the first fixing member are inserted and fixed and has first cut-out grooves which are formed at the other side thereof in the width direction and at which the second supports of the second fixing member are positioned, and
the second precipitating plates has second cut-out grooves which are formed at one side thereof in the width direction and at which the first supports of the first fixing member are positioned and has second insertion grooves which are formed at the other side thereof in the width direction and into which the second supports of the second fixing member are inserted and fixed,
wherein the first insertion grooves are formed in a size corresponding to the first supports, so that the first supports are inserted and fixed in the first insertion grooves,
the first cut-out grooves are formed larger than the second supports to prevent electrical connection while the second supports are inserted, so that the second supports and the first cut-out grooves are spaced apart from each other,
the second insertion grooves are formed in a size corresponding to the second supports, so that the second supports are inserted and fixed in the second insertion grooves, and
the second cut-out grooves are formed larger than the first supports to prevent electrical connection while the first supports are inserted, so that the first supports and the second cut-out grooves are spaced apart from each other.
2. The electric precipitator of claim 1 , wherein
the first precipitating plates includes a first conductive pattern part and a first dielectric surrounding the periphery of the first conductive pattern part, and
the second precipitating plates includes a second conductive pattern part and a second dielectric surrounding the periphery of the second conductive pattern part.
3. The electric precipitator of claim 2 , wherein in some or all of the second precipitating plates, a distance between the second conductive pattern part and the electric charging part is greater than a distance between the first conductive pattern part and the electric charging part.
4. The electric precipitator of claim 3 , wherein the electric charging part includes a plate part in which a hollow region through which air passes is formed and to which a second low voltage having a lower level than the first high voltage is applied.
5. An electric precipitator comprising:
an electric charging part receiving a first high voltage applied thereto and applying electric charges to dust; and
a precipitating part precipitating the dust charged in the electric charging part,
wherein the precipitating part includes:
first precipitating plates each including a first conductive pattern part to which a first low voltage having a lower level than the first high voltage is applied and a first dielectric surrounding the periphery of the first conductive pattern part; and
second precipitating plates each including a second conductive pattern part to which a second high voltage having a higher level than the first low voltage is applied and a second dielectric surrounding the periphery of the second conductive pattern part, and
wherein a distance between the electric charging part and the first precipitating plates and a distance between the electric charging part and the second precipitating plates are the same as each other (a 1 =a 2 ),
wherein a length d 1 of the first precipitating plates in a width direction and a length d 2 of the second precipitating plates in the width direction are the same as each other (d 1 =d 2 ),
the electric charging part is disposed to be further spaced apart from the second conductive pattern part than the first conductive pattern part in a portion or entirety thereof,
wherein a distance b 2 between the second conductive pattern part of the second precipitating plates to which a high voltage is applied and the electric charging part is greater than a distance b 1 between the first conductive pattern part of the first precipitating plates and the electric charging part (b 2 >b 1 ).
6. The electric precipitator of claim 5 , wherein the electric charging part includes a plate part in which a hollow region through which air passes is formed and to which a second low voltage having a lower level than the first high voltage is applied.
7. The electric precipitator of claim 1 , wherein a distance between the electric charging part and the first precipitating plates of the electric precipitator is 1 to 25 mm.
8. The electric precipitator of claim 7 , wherein in the precipitating part, an interval d 200 between the first precipitating plates and the second precipitating plates is 5 mm or less.
9. The electric precipitator of claim 1 , wherein in the participating part, the first precipitating plates are spaced apart from each other by a predetermined distance in a length direction and disposed side by side, and
the second precipitating plates are spaced apart from each other by a predetermined distance in the length direction and disposed side by side and are disposed alternately with the first precipitating plates while facing the first precipitating plates.
10. The electric precipitator of claim 9 , wherein in the precipitating part, each of the first precipitating plates and the second precipitating plates is formed by bending a single member.
11. The electric precipitator of claim 1 , wherein in the precipitating part, the first precipitating plates and the second precipitating plates are formed using single members, respectively, and are spaced apart from each other by a predetermined distance and are formed in a spiral shape.
12. The electric precipitator of claim 1 , wherein in the precipitating part, the first precipitating plates and the second precipitating plates are alternately disposed to be spaced apart from each other by a predetermined distance in the form of a plurality of concentric circles.