CN102646932A - Electronic air purifying device - Google Patents

Electronic air purifying device Download PDF

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Publication number
CN102646932A
CN102646932A CN2012101485462A CN201210148546A CN102646932A CN 102646932 A CN102646932 A CN 102646932A CN 2012101485462 A CN2012101485462 A CN 2012101485462A CN 201210148546 A CN201210148546 A CN 201210148546A CN 102646932 A CN102646932 A CN 102646932A
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circuit
transformer
power switch
resistance
high voltage
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CN2012101485462A
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CN102646932B (en
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刘喆
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Shenzhen Jun Xinda Environmental Polytron Technologies Inc
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Abstract

The invention discloses an electronic air purifying device. The electronic air purifying device comprises a 12V direct current power supply, a self-oscillator circuit, a negative-high-voltage rectification circuit and a high-voltage discharger, wherein the type of a power switch integrated circuit IC1 in the self-oscillator circuit is TWH8751. According to the electronic air purifying device disclosed by the invention, air is ionized through negative high voltage by using an electronic manner, so as to increase the contents of negative oxygen ions and ozone in indoor air to some extent, and thus, the quality of the indoor air is improved, and the indoor air is kept fresh and clean, which is beneficial to the health of human bodies. Clinical practices for medicine show that the negative oxygen ions have an auxiliary curative effect on all diseases in the aspects, such as the respiratory system, the circulatory system and the nervous system, of the human bodies, are beneficial to the health of the human bodies, and are beneficial to the increase of working efficiency. Thus, the electronic air purifying device is especially suitable for the air purification of closed places, such as homes, offices and public places, and is also applicable to the application in medical domains.

Description

The electronic air purifier
Technical field
The invention belongs to electronic technology and air purifying process field, relate to a kind of electronic air purifier.
Background technology
The pollution of urban air now constantly aggravates, in the room air quality of sealing worse and worse.Harmful organisms such as the bacterium that excessively assembles in the air, virus not only produce niff, make the air dirt unpleasant, also can cause the problem of harmful healths such as headache, skin or eyes are irritated, tired, absent minded.
The electronic air purifier utilizes the electronics mode to make the negative high voltage ionized air, with increase negative oxygen ion and the content of a certain amount of ozone in room air, thereby improves IAQ, keeps room air pure and fresh, helps health.The clinical medicine practice shows: negative oxygen ion all has auxiliary curative effect to the disease of the aspects such as respiratory system, the circulatory system and nervous system of human body, both has been of value to health, also helps increasing work efficiency.Thereby it is specially adapted to the air cleaning in sealing places such as family, office, public place, also is adapted at medical domain and uses.
Below specify the related in force correlation technique content of this electronic air purifier.
Summary of the invention
Goal of the invention and beneficial effect: the electronic air purifier utilizes the electronics mode to make the negative high voltage ionized air; To increase negative oxygen ion and the content of a certain amount of ozone in room air; Thereby improve IAQ, keep room air pure and fresh, help health.The clinical medicine practice shows: negative oxygen ion all has auxiliary curative effect to the disease of the aspects such as respiratory system, the circulatory system and nervous system of human body, both has been of value to health, also helps increasing work efficiency.Thereby it is specially adapted to the air cleaning in sealing places such as family, office, public place, also is adapted at medical domain and uses.
The circuit working principle: the circuit of electronic air purifier is that core devices is formed negative oxygen ion generator with TWH8751; Because the 2nd pin of TWH8751 is electronegative potential in the circuit; Oscillator is starting of oscillation at once; Its frequency of oscillation is about 1KHz, can obtain about 6KV high pressure at the secondary coil L2 of impulse type step-up transformer B, through producing negative oxygen ion after the high voltage silicon stack D2 rectification.The negative high voltage discharger adopts open, can improve the concentration of negative oxygen ion greatly, and limit the concentration of ozone.When negative oxygen ion reached finite concentration in the room air, peculiar smell or smog in promptly can decontamination chamber be realized the purpose of fresh air.
Technical scheme: the electronic air purifier, it comprises 12V DC power supply, self-excited oscillator circuit, negative high voltage rectification circuit and electrion device, it is characterized in that:
The self-excited oscillator circuit: the vibration winding L 1 by power switch circuit IC1, resistance R 1, electric capacity of the dacron C1, resistance R 2 and impulse type step-up transformer B is formed; The model that power switch circuit IC1 selects for use is TWH8751; The anodal VCC of the 5th pin connection circuit of power switch circuit IC1; The 1st pin of power switch circuit IC1 connects the end of electric capacity of the dacron C1 and an end of resistance R 2; The 3rd pin connection circuit ground GND of the other end of electric capacity of the dacron C1 and power switch circuit IC1; One end of the other end of the 4th pin connecting resistance R2 of power switch circuit IC1 and impulse type step-up transformer B vibration winding L 1, the anodal VCC of other end connection circuit of impulse type step-up transformer B vibration winding L 1;
Negative high voltage rectification circuit and electrion device: secondary coil L2, high voltage silicon stack D2, electrocution-proof protection resistance R 3 and electrion device by impulse type step-up transformer B are formed; The termination circuit ground GND of impulse type step-up transformer B secondary coil L2; The negative pole of another termination high voltage silicon stack D2 of impulse type step-up transformer B secondary coil L2 connects the electrion device after the positive pole serial connection electrocution-proof protection resistance R 3 of high voltage silicon stack D2.
The 12V dc power anode links to each other with circuit anode VCC, and the 12V dc power cathode links to each other with circuit ground GND.
Description of drawings
Accompanying drawing 1 is the circuit working schematic diagram of electronic air purifier; B is the impulse type step-up transformer in the accompanying drawing 1.
Embodiment
Specification requirement according to the components and parts of the circuit working schematic diagram of the electronic air purifier shown in the accompanying drawing 1 and description of drawings and the following stated is implemented, and can realize the present invention.
The selection of components and parts and technical parameter
IC1 is a power switch circuit, and the model of selecting for use is TWH8751, and it adopts the TOP-220 encapsulation; Its internal circuit is by input stage; Buffer amplifier and Darlington power output stage are formed, and are provided with feedback control loop and subtract the flow pattern output protection circuit, and it has 5 pins;
D1 is a high voltage silicon stack, and the technical parameter of selecting for use is 18kV;
The resistance of resistance R 1 is that 220 Ω, power are 1/4W; The resistance of resistance R 2 is 100K, and resistance R 3 is an electrocution-proof protection resistance, and power is 2W, and its resistance is 3.6~4.7M Ω;
C1 is an electric capacity of the dacron, and capacity is 0.01 μ F;
The 12V DC power supply, the selection work electric current is greater than the stabilized voltage power supply of 600mA.
Circuit production main points and circuit debugging
The making of impulse type step-up transformer B: adopt the transformation of the way of 14 inch black and white television set discrete line output transformers, vibration winding L 1 usefulness ¢ 0.6mm enamelled wire is flat around 45 circles, and secondary coil L2 uses the high voltage package of former black and white television set line output transformer; If as selecting the integrated line output transformer transformation of the way for use, then machine volume is littler;
The making of electrion device: on the copper clad plate that is of a size of long 170mm * wide 40mm, bore 3 rounds, 16 holes of every row, every bore dia is 0.8mm.Require nickel plating pin length consistent, and tip point is good more more, pin is inserted in the hole one by one and welds, require each solder joint slick and sly; Attention: the lead-in wire of nearly ten thousand volts negative high-voltage end must use black and white television set line output high-voltage connection;
The circuit of electronic air purifier is as long as the components and parts performance of using is intact; Annexation according to components and parts shown in the accompanying drawing 1 is welded; The physics wiring is conscientiously checked and check errorless after, the circuit of this device need not debugged and get final product operate as normal;
During circuit debugging, the resistance of adjustable resistance R2 makes circuitry reach the highest circuit debugging of promptly accusing of power saving, output voltage and accomplishes.

Claims (2)

1. electronic air purifier, it comprises 12V DC power supply, self-excited oscillator circuit, negative high voltage rectification circuit and electrion device, it is characterized in that:
The self-excited oscillator circuit is made up of the vibration winding L 1 of power switch circuit IC1, resistance R 1, electric capacity of the dacron C1, resistance R 2 and impulse type step-up transformer B; The model that power switch circuit IC1 selects for use is TWH8751; The anodal VCC of the 5th pin connection circuit of power switch circuit IC1; The 1st pin of power switch circuit IC1 connects the end of electric capacity of the dacron C1 and an end of resistance R 2; The 3rd pin connection circuit ground GND of the other end of electric capacity of the dacron C1 and power switch circuit IC1; One end of the other end of the 4th pin connecting resistance R2 of power switch circuit IC1 and impulse type step-up transformer B vibration winding L 1, the anodal VCC of other end connection circuit of impulse type step-up transformer B vibration winding L 1;
Negative high voltage rectification circuit and electrion device are made up of secondary coil L2, high voltage silicon stack D2, electrocution-proof protection resistance R 3 and the electrion device of impulse type step-up transformer B; The termination circuit ground GND of impulse type step-up transformer B secondary coil L2; The negative pole of another termination high voltage silicon stack D2 of impulse type step-up transformer B secondary coil L2 connects the electrion device after the positive pole serial connection electrocution-proof protection resistance R 3 of high voltage silicon stack D2.
2. electronic air purifier according to claim 1 is characterized in that: the 12V dc power anode links to each other with circuit anode VCC, and the 12V dc power cathode links to each other with circuit ground GND.
CN 201210148546 2012-05-14 2012-05-14 Electronic air purifying device Active CN102646932B (en)

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Application Number Priority Date Filing Date Title
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CN 201210148546 CN102646932B (en) 2012-05-14 2012-05-14 Electronic air purifying device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103168700A (en) * 2013-04-08 2013-06-26 何林 Moving type electric ranch fence
CN103623449A (en) * 2013-11-11 2014-03-12 王云锋 Air deodorizing and sterilizing device and method
CN105992447A (en) * 2015-02-13 2016-10-05 北京依博科环保科技有限公司 Plasma generator, resistive load drive system, and capacitive load drive system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2182954Y (en) * 1993-10-27 1994-11-16 苏州富丽达五金电器有限公司 Electronic air purification device
JPH07153549A (en) * 1993-11-26 1995-06-16 Kasuga Denki Kk Negative ion generating device
JP2001338744A (en) * 2000-05-26 2001-12-07 Toyotomi Co Ltd Negative ion generator
CN101347629A (en) * 2007-07-18 2009-01-21 黄明堂 Electronic air cleaner for automobile
US20090034145A1 (en) * 2005-05-24 2009-02-05 Hugle Electronics Inc. DC Type Ionizer
CN101640383A (en) * 2008-07-30 2010-02-03 北京玉佳明三态离子科学研究院有限公司 Ozone-free high-performance large-scale multi-ecological oxygen anion generator
CN202554546U (en) * 2012-05-14 2012-11-28 刘喆 Electronic air purification device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2182954Y (en) * 1993-10-27 1994-11-16 苏州富丽达五金电器有限公司 Electronic air purification device
JPH07153549A (en) * 1993-11-26 1995-06-16 Kasuga Denki Kk Negative ion generating device
JP2001338744A (en) * 2000-05-26 2001-12-07 Toyotomi Co Ltd Negative ion generator
US20090034145A1 (en) * 2005-05-24 2009-02-05 Hugle Electronics Inc. DC Type Ionizer
CN101347629A (en) * 2007-07-18 2009-01-21 黄明堂 Electronic air cleaner for automobile
CN101640383A (en) * 2008-07-30 2010-02-03 北京玉佳明三态离子科学研究院有限公司 Ozone-free high-performance large-scale multi-ecological oxygen anion generator
CN202554546U (en) * 2012-05-14 2012-11-28 刘喆 Electronic air purification device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103168700A (en) * 2013-04-08 2013-06-26 何林 Moving type electric ranch fence
CN103623449A (en) * 2013-11-11 2014-03-12 王云锋 Air deodorizing and sterilizing device and method
CN103623449B (en) * 2013-11-11 2016-03-30 王云锋 Air deodorization sterilizing unit and method thereof
CN105992447A (en) * 2015-02-13 2016-10-05 北京依博科环保科技有限公司 Plasma generator, resistive load drive system, and capacitive load drive system

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