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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | UP-0679606 (2007-02-27) |
등록번호 | US-7833322 (2011-01-16) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 1 인용 특허 : 439 |
An air treatment apparatus that includes an electrode assembly, a voltage supply, a current sensing device operably coupled to the electrode assembly, and a voltage control device coupled to the current sensing device and the voltage supply. The voltage control device is configured to regulate the l
An air treatment apparatus that includes an electrode assembly, a voltage supply, a current sensing device operably coupled to the electrode assembly, and a voltage control device coupled to the current sensing device and the voltage supply. The voltage control device is configured to regulate the level of voltage based on the level of current flowing through the current sensing device to maintain the voltage and current in the electrode assembly within designated ranges.
The invention is claimed as follows: 1. An air treatment apparatus, comprising: an electrode assembly comprising a plurality of emitter and collector electrodes; a voltage source coupled to the emitter and collector electrodes for establishing an electric field between the emitter and collector ele
The invention is claimed as follows: 1. An air treatment apparatus, comprising: an electrode assembly comprising a plurality of emitter and collector electrodes; a voltage source coupled to the emitter and collector electrodes for establishing an electric field between the emitter and collector electrodes for producing ozone; a current sensing device coupled to the electrode assembly for measuring current flowing through the electrode assembly; a voltage control device coupled to the current sensing device, the voltage control device comprising: a current input port configured to receive at least one current signal from the current sensing device; a control output port configured to send at least one voltage control signal to the voltage source in response to the received current signal; and a control unit operably coupled to the current input port and the control output port, wherein the control unit is configured to: determine a current value from the received current signal; determine a designated ozone production range out of a plurality of ozone production ranges of the air treatment apparatus based on the current value; and provide an appropriate voltage control signal for adjusting the voltage source so as to regulate ozone production by the air treatment apparatus within the designated range. 2. The apparatus of claim 1, wherein the control unit includes at least one of a proportional-integral controller, a proportional-integral-derivative controller, a fuzzy logic controller, a solid state controller, a programmable logic controller, a plurality of discrete electrical components, or analog controller. 3. The apparatus of claim 2, further comprises: a memory; and a plurality of instructions stored on the memory, the instructions when executed by at least one controller, causing the control unit to: (a) measure a current flowing through a current sensing device; (b) compare the measured current to a current threshold value; and (c) regulate the voltage source based on the comparison. 4. The apparatus of claim 1, further comprising a voltage sensing circuitry for measuring voltage of the voltage source and providing a voltage input signal to the control unit of the voltage control device. 5. The apparatus of claim 4, further comprising: a memory; and a plurality of instructions stored on the memory, the instructions when executed by at least one controller, causing the control unit to: (a) measure the voltage at the voltage source, (b) compare the measured voltage to a threshold voltage value, and (c) perform a plurality of corrective actions based on the comparison. 6. The apparatus of claim 5, wherein the control unit is further configured to determining if an undervoltage or overvoltage condition exists at the electrode assembly. 7. The apparatus of claim 5, wherein the corrective actions include increasing the running speed of at least one fan for a predetermined time to produce a higher air flow. 8. The apparatus of claim 5, wherein the corrective actions includes energizing an alarm, providing a visual indication, or interrupting power to the electrode assembly. 9. The apparatus of claim 1, wherein the voltage source includes a transformer having a primary winding and a secondary winding, the primary winding coupled to the control unit and the secondary winding being operably coupled to the electrode assembly. 10. The apparatus of claim 9, wherein the current sensing device is a resistive element configured in a circuit and in series with an emitter electrode of the electrode assembly, a resistive element configured in a circuit and in series with a collector electrode of the electrode assembly, a resistive element configured in a circuit and in series with the primary winding of the transformer, or a resistive element configured in a circuit and in series with the secondary winding of the transformer. 11. The apparatus of claim 9, further comprising a switch connected in series between the control unit and the primary winding of the transformer. 12. The apparatus of claim 1, wherein the current sensing device includes a Hall-effect element, a magnetoresistive sensor, a current transformer, or other electrical device configured to sense current. 13. The apparatus of claim 1, wherein the control unit of the voltage control device is configured to maintain voltage of the voltage source above 4.3 kV. 14. The apparatus of claim 1, wherein the ozone production ranges correspond to current in the electrode assembly within the ranges of 100-600 μA.
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