CN112072478A - Negative ion generating device - Google Patents
Negative ion generating device Download PDFInfo
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- CN112072478A CN112072478A CN202010952264.2A CN202010952264A CN112072478A CN 112072478 A CN112072478 A CN 112072478A CN 202010952264 A CN202010952264 A CN 202010952264A CN 112072478 A CN112072478 A CN 112072478A
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- 150000002500 ions Chemical class 0.000 claims abstract description 65
- 239000000919 ceramic Substances 0.000 claims abstract description 26
- 150000001450 anions Chemical class 0.000 claims abstract description 14
- 239000003990 capacitor Substances 0.000 claims description 53
- 230000009471 action Effects 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- -1 ozone ions Chemical class 0.000 abstract description 2
- 230000036541 health Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000004887 air purification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008821 health effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T23/00—Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/22—Ionisation
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses an anion generator, and belongs to the field of anion generation and propagation. The method comprises the following steps: the device comprises a power supply, a chip power panel, an MCU (microprogrammed control unit), a high-voltage generation module, a fan and a negative ion emission head; the high voltage generation module includes: the device comprises a driving module, an output feedback, a piezoelectric ceramic transformer and a voltage doubling circuit; the chip power panel, the MCU control unit, the driving module, the piezoelectric ceramic transformer, the voltage doubling circuit and the output feedback are sequentially connected; the MCU control unit is connected with the output feedback; the voltage doubling circuit is connected with the negative ion emission head; the fan, the chip power panel and the driving module are respectively connected with a power supply. The device of the invention generates pure sine waves by a piezoelectric ceramic transformer and a precise driving circuit in the circuit, ensures that the negative ions emitted by the negative ion emitting head are ultra-high concentration and small particle size, and solves the problems of generation of harmful ozone ions and transmission of the negative ions in the generation process.
Description
Technical Field
The invention relates to the field of anion generation and propagation, in particular to an anion generating device.
Background
Air quality influences people's health very much, has become a consensus, and consequently various air purifier are in due charge, but most clarifier use physics filter worker or add disinfection, material of disinfecting as leading, not only the effect is limited but also need regularly change the consumptive material, lead to conditions such as user's with high costs, consumption experience difference.
The negative ions are proved to be beneficial to human health by people, and through market research and product tests, the purifiers or negative ion purification devices which are sold in the market and can generate negative ions for sterilization, can not generate negative ions, or are not the negative ions beneficial to health, and can not purify air and nourish the body.
The defects of most of the existing negative ion generators are as follows: the voltage waveform is simply applied to the discharge electrode to generate negative ions, the particle size of the generated negative ions is larger, the diffusion distance is short, and the health effect is avoided; in addition, the ion generator has a low concentration of negative ions and cannot overcome the harmful ozone generated in the process.
Disclosure of Invention
[ problem ] to
In the prior art, voltage waveforms are applied to a discharge electrode to generate negative ions, and the generated negative ions have large particle size and short diffusion distance; the negative ion concentration is very low and cannot overcome the harmful ozone generated in the process.
[ solution ]
The invention provides an anion generating device, comprising: the method comprises the following steps: the device comprises a power supply, a chip power panel, an MCU (microprogrammed control unit), a high-voltage generation module, a fan and a negative ion emission head; the high voltage generation module includes: the device comprises a driving module, an output feedback, a piezoelectric ceramic transformer and a voltage doubling circuit; the chip power panel, the MCU control unit, the driving module, the piezoelectric ceramic transformer, the voltage doubling circuit and the output feedback are sequentially connected; the MCU control unit is connected with the output feedback; the voltage doubling circuit is connected with the negative ion emission head; the fan, the chip power panel and the driving module are respectively connected with a power supply; the chip power supply board is used for providing stable voltage to supply power to the MCU chip; the driving module is used for generating alternating voltage; the output feedback is used for detecting whether the piezoelectric ceramic transformer has normal output; the MCU control unit is used for outputting square waves consistent with the resonant frequency of the piezoelectric ceramic transformer; the piezoelectric ceramic transformer is used for generating a pure sine wave under the action of alternating voltage generated by the driving module; the voltage doubling circuit is used for amplifying the output voltage of the piezoelectric ceramic transformer again; the negative ion emission head is a release tip made of carbon element and is used for discharging air to generate negative ions; the fan is used for pushing out the negative ions, and the negative ion emission head is arranged on one side of the fan.
In one embodiment of the invention, the driving module comprises a resistor R3, a resistor R4, a MOS transistor Q1, an inductor L1, a capacitor C4, a capacitor C5, and a capacitor C6, wherein gates of the resistor R3 and the MOS transistor Q1 are connected in series; one end of the resistor R4 is connected between the resistor R3 and the gate of the MOS transistor Q1; the drain electrode of the MOS tube is connected with one end of an inductor L1, and the source electrode of the MOS tube is grounded; the other end of the inductor L1 is connected to a 12V power supply, a capacitor C5 and a capacitor C6 are arranged between the drain of the MOS transistor Q1 and the ground, and the capacitor C5 is connected with the capacitor C6 in series.
In one embodiment of the invention, a pin 1 of the piezoelectric transformer is connected between the drain of the MOS transistor Q1 and one end of the inductor L1; the pin 2 of the piezoelectric transformer is grounded; the structure is used for generating alternating voltage.
In one embodiment of the invention, the voltage doubling circuit comprises a diode D2, a diode D3, a diode D4, a diode D5, a capacitor C8, a capacitor C9 and a capacitor C10; the diode D2, the diode D3, the diode D4 and the diode D5 are connected in parallel, and the capacitor C9 is connected between the anode of the diode D4 and the cathode of the diode D3; the capacitor C10 is connected between the anode of the diode D2 and the cathode of the diode D5; the capacitor C8 is connected between the anode of the diode D5 and the cathode of the diode D3; the cathode of the diode D3 is also connected with the grounding end of a pin 2 of the piezoelectric transformer YD, and the anode of the diode D3 is also connected with a pin 3 of the piezoelectric transformer YD; negative ions are generated and output under the action of the sine wave.
In an embodiment of the present invention, the feedback circuit includes a resistor R5, a resistor R6, a resistor R7, a diode D1, and a capacitor C7, where the resistor R6, the resistor R7, and the capacitor C7 are connected in parallel, one end of the resistor R6 is connected to a negative electrode of the diode D1, one end of the resistor R7 is connected to a positive electrode of the diode D1, the other end of the resistor R6 and the other end of the resistor R7 are respectively grounded, one end of the resistor R5 is connected between a negative electrode of the diode D1 and the resistor R6, and the other end of the resistor R5 is connected between a negative electrode of the diode D3 and the pin 3 of the piezoelectric transformer 2.
In an embodiment of the present invention, the pin 7 of the MCU chip U1 outputs a square wave having a frequency consistent with the operating frequency of the MCU chip U1, so that the driving module composed of the resistor R3, the resistor R4, the inductor L1, the capacitor C4, and the MOS transistor Q1 operates.
In one embodiment of the invention, the piezoelectric transformer generates mechanical vibrations at an alternating voltage, the same as the input frequency being generated at the secondary of the piezoelectric transformer.
[ advantageous effects ]
The device of the invention generates pure sine waves (the sine waves are favorable for generating small molecular group negative ions which are favorable for human body absorption) by a piezoelectric ceramic transformer and a precise driving circuit in the circuit, ensures that the negative ions emitted by the negative ion emitting head are ultra-high concentration and small particle size, solves the problems of generation of harmful ozone ions and transmission of the negative ions in the generating process, and enables the negative ions which are beneficial to human health to be delivered to the required target environment. Can be used for independent air purification, production of health cabins, air conditioners, vehicles and household appliances, beautification, health protection and the like.
Drawings
Fig. 1 is a schematic structural view of an anion generating apparatus according to embodiment 1.
Fig. 2 is a schematic structural diagram of an MCU master control unit in embodiment 1.
Fig. 3 is a schematic structural diagram of a chip power board module in embodiment 1.
Fig. 4 is a schematic view of a fan control structure of embodiment 1.
Fig. 5 is a schematic structural diagram of a high voltage generation module according to embodiment 1.
FIG. 6 is a schematic view showing the installation of the negative ion emitting head of embodiment 1.
FIG. 7 is a test chart of example 2.
In the figure: the drive module 1, piezoelectric transformer 2, voltage doubling circuit 3, feedback circuit 4.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The embodiment provides an anion air purification device, includes: the device comprises a power supply, a chip power panel, an MCU (microprogrammed control unit), a high-voltage generation module, a fan and a negative ion emission head; the high voltage generation module includes: the device comprises a driving module, a feedback circuit, a piezoelectric ceramic transformer and a voltage doubling circuit;
the chip power panel, the MCU control unit, the driving module, the piezoelectric ceramic transformer, the voltage doubling circuit and the feedback circuit are sequentially connected; the MCU control unit is connected with the output feedback; the voltage doubling circuit is connected with the negative ion emission head; the fan, the chip power panel and the driving module are respectively connected with a power supply;
the chip power supply board is used for providing stable 3.3V voltage to supply power for the MCU chip.
The driving module is used for generating alternating voltage.
The feedback circuit is used for detecting whether the piezoelectric ceramic transformer has normal output.
And the MCU control unit is used for outputting square waves consistent with the resonant frequency of the piezoelectric ceramic transformer.
The piezoelectric ceramic transformer is used for generating pure sine waves under the action of alternating voltage generated by the driving module.
The voltage doubling circuit is used for amplifying the output voltage of the piezoelectric ceramic transformer again.
The negative ion emission head is a release tip made of carbon element and used for discharging air to generate negative ions.
The fan is used for pushing out the negative ions, and the negative ion emission head is arranged on one side of the fan, as shown in fig. 6.
Further, as shown in fig. 2, when S1 is pressed, the 7 th pin of the MCU chip U1 outputs a signal having a frequency close to the resonant frequency of the piezoelectric ceramic transformer to drive the Q1 in fig. 5, so as to operate the piezoelectric ceramic transformer, the R5, R6, R7, D1, and C7 connected to the output terminal of the piezoelectric ceramic transformer form a rectifying and filtering circuit, and the signal is fed back to the 1 st pin of the MCU chip U1, so as to adjust the frequency output from the 7 th pin of the MCU chip U1 according to the change of the signal, so as to operate the piezoelectric ceramic transformer in an optimal operating state. R1 and C1 are external oscillation clocks of the MCU chip U1. When S1 is pressed again, the pin 7 output of the MCU chip U1 is zero, and Q1 stops operating.
Further, the chip power board structure is as shown in fig. 3, and the interface J1, the current limiting resistor R2, the filter capacitor C2, the filter capacitor C3, and the power management chip U2 constitute a power circuit, which provides power for the MCU chip U1, and an external 12V power is connected through the interface J1.
Further, the fan includes a fan control structure, which is configured as shown in fig. 4, and the fan is activated by the fan control structure.
Further, the structure of the high voltage generation module is divided into a driving module 1, a piezoelectric transformer 2, a voltage doubling circuit 3 and a feedback circuit 4 as shown in fig. 5.
The driving module 1 comprises a resistor R3, a resistor R4, a MOS transistor Q1, an inductor L1, a capacitor C4, a capacitor C5 and a capacitor C6, wherein the gates of the resistor R3 and the MOS transistor Q1 are mutually connected in series; one end of the resistor R4 is connected between the resistor R3 and the gate of the MOS transistor Q1; the drain electrode of the MOS tube is connected with one end of an inductor L1, and the source electrode of the MOS tube is grounded; the other end of the inductor L1 is connected with a 12V power supply, a capacitor C5 and a capacitor C6 are arranged between the drain of the MOS transistor Q1 and the ground, and the capacitor C5 is connected with a capacitor C6 in series;
a pin 1 of the piezoelectric transformer 2 is connected between the drain electrode of the MOS transistor Q1 and one end of an inductor L1; the pin 2 of the piezoelectric transformer 2 is grounded; the structure is used for generating alternating voltage.
The voltage doubling circuit 3 comprises a diode D2, a diode D3, a diode D4, a diode D5, a capacitor C8, a capacitor C9 and a capacitor C10; the diode D2, the diode D3, the diode D4 and the diode D5 are connected in parallel, and the capacitor C9 is connected between the anode of the diode D4 and the cathode of the diode D3; the capacitor C10 is connected between the anode of the diode D2 and the cathode of the diode D5; the capacitor C8 is connected between the anode of the diode D5 and the cathode of the diode D3; the cathode of the diode D3 is also connected with the grounding end of a pin 2 of the piezoelectric transformer YD, and the anode of the diode D3 is also connected with a pin 3 of the piezoelectric transformer YD; negative ions are generated and output under the action of the sine wave.
The feedback circuit 4 comprises a resistor R5, a resistor R6, a resistor R7, a diode D1 and a capacitor C7, the resistor R6, the resistor R7 and the capacitor C7 are connected in parallel, one end of the resistor R6 is connected with the negative electrode of the diode D1, one end of the resistor R7 is connected with the positive electrode of the diode D1, the other end of the resistor R6 and the other end of the resistor R7 are respectively grounded, one end of the resistor R5 is connected between the negative electrode of the diode D1 and the resistor R6, and the other end of the resistor R5 is connected between the negative electrode of the diode D3 and the pin 3 of the piezoelectric transformer 2.
The output of the pin 7 of the MCU chip U1 is square wave consistent with the working frequency of the MCU chip U1, so that a driving module consisting of a resistor R3, a resistor R4, an inductor L1, a capacitor C4 and a MOS tube Q1 works. The piezoelectric transformer 2 generates mechanical vibration under an alternating voltage, and the same frequency as the input frequency is generated at the secondary side of the piezoelectric transformer 2. The sine wave is boosted by a voltage-doubling rectifying module consisting of a diode D2, a diode D3, a diode D4, a diode D5, a capacitor C8, a capacitor C9 and a capacitor C10 and then outputs negative ions. And a feedback circuit 4 for detecting whether the voltage output from the piezoelectric transformer 2 is at a preset maximum voltage or lower than a preset voltage.
When the working frequency of the MCU chip falls on the resonant frequency point of the piezoelectric transformer, the output voltage of the piezoelectric transformer is the highest. The resonant frequency point of the piezoelectric transformer can be determined as long as the highest voltage is detected.
Example 2
This example demonstrates the effect of the ionizer of the present invention. As shown in fig. 7, the quantity of negative ions was measured using an AIC3000 negative ion detector at positions spaced 1 meter, 2 meters, and 3 meters from the front surface of the negative ion generator, respectively. The test method is as follows: in an open indoor space, the indoor space is selected to be relatively stable relative to outdoor environmental factors, and the influence of the environmental factors on the measurement result is reduced. In the present embodiment, an indoor space of 30 square meters is selected, and the door and the window are closed without opening the electric appliances such as the air conditioner, the electric fan, and the exhaust fan that disturb the indoor air. The negative ion generator is placed on a flat table top with the height of 1 m from the ground, and after the machine is started for 10 minutes in advance, the quantity of negative ions with the distances of 1 m, 2 m and 3 m from the air outlet is measured respectively. The measurement data are shown in the following table. And comparing the ion quantity of the existing anion product.
TABLE 1 comparison of the amount of anions of the present invention with other products at different distances
| Serial number | Distance between two adjacent plates | Amount of negative ion of the invention | Anion amount of |
| 1 | 1 m | 5×106ions/cm3 | 0.9×106ions/ |
| 2 | 2 m | 6×105ions/cm3 | 1.25×105ions/ |
| 3 | 3 |
2×105ions/cm3 | Is free of |
Since the negative ions exist in the air for a short time, the value of the measurement fluctuates greatly, and the data listed above is the maximum value obtained by the measurement.
The smaller the negative ion particle size, the higher the negative ion activity and the longer the migration distance. The above test data shows that the quantity of the negative ions is far larger than that of the products on the market at the distance of one meter and 2 meters, while the quantity of the negative ions on the market at the distance of 3 meters can not be detected, which indicates that the negative ions generated by the negative ion generator have smaller particle size, higher concentration and longer propagation distance.
The scope of the present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements, etc. that can be made by those skilled in the art within the spirit and principle of the inventive concept should be included in the scope of the present invention.
Claims (7)
1. An anion generating apparatus, comprising: the device comprises a power supply, a chip power panel, an MCU (microprogrammed control unit), a high-voltage generation module, a fan and a negative ion emission head; the high voltage generation module includes: the device comprises a driving module, an output feedback, a piezoelectric ceramic transformer and a voltage doubling circuit; the chip power panel, the MCU control unit, the driving module, the piezoelectric ceramic transformer, the voltage doubling circuit and the output feedback are sequentially connected; the MCU control unit is connected with the output feedback; the voltage doubling circuit is connected with the negative ion emission head; the fan, the chip power panel and the driving module are respectively connected with a power supply;
the chip power supply board is used for providing stable voltage to supply power to the MCU chip;
the driving module is used for generating alternating voltage;
the output feedback is used for detecting whether the piezoelectric ceramic transformer has normal output;
the MCU control unit is used for outputting square waves consistent with the resonant frequency of the piezoelectric ceramic transformer;
the piezoelectric ceramic transformer is used for generating a pure sine wave under the action of alternating voltage generated by the driving module;
the voltage doubling circuit is used for amplifying the output voltage of the piezoelectric ceramic transformer again;
the negative ion emission head is a release tip made of carbon element and is used for discharging air to generate negative ions;
the fan is used for pushing out the negative ions, and the negative ion emission head is arranged on one side of the fan.
2. The negative ion generating device as claimed in claim 1, wherein the driving module comprises a resistor R3, a resistor R4, a MOS transistor Q1, an inductor L1, a capacitor C4, a capacitor C5, a capacitor C6, and gates of the resistor R3 and the MOS transistor Q1 are connected in series; one end of the resistor R4 is connected between the resistor R3 and the gate of the MOS transistor Q1; the drain electrode of the MOS tube is connected with one end of an inductor L1, and the source electrode of the MOS tube is grounded; the other end of the inductor L1 is connected to a 12V power supply, a capacitor C5 and a capacitor C6 are arranged between the drain of the MOS transistor Q1 and the ground, and the capacitor C5 is connected with the capacitor C6 in series.
3. The negative ion generating device as claimed in claim 1, wherein a pin 1 of the piezoelectric transformer is connected between the drain of the MOS transistor Q1 and one end of the inductor L1; the pin 2 of the piezoelectric transformer is grounded; the structure is used for generating alternating voltage.
4. The negative ion generating device as claimed in claim 1, wherein said voltage doubling circuit comprises a diode D2, a diode D3, a diode D4, a diode D5, a capacitor C8, a capacitor C9 and a capacitor C10; the diode D2, the diode D3, the diode D4 and the diode D5 are connected in parallel, and the capacitor C9 is connected between the anode of the diode D4 and the cathode of the diode D3; the capacitor C10 is connected between the anode of the diode D2 and the cathode of the diode D5; the capacitor C8 is connected between the anode of the diode D5 and the cathode of the diode D3; the cathode of the diode D3 is also connected with the grounding end of a pin 2 of the piezoelectric transformer YD, and the anode of the diode D3 is also connected with a pin 3 of the piezoelectric transformer YD; negative ions are generated and output under the action of the sine wave.
5. The negative ion generator as claimed in claim 1, wherein the feedback circuit comprises a resistor R5, a resistor R6, a resistor R7, a diode D1, and a capacitor C7, the resistor R6, the resistor R7, and the capacitor C7 are connected in parallel, one end of the resistor R6 is connected to the cathode of the diode D1, one end of the resistor R7 is connected to the anode of the diode D1, the other end of the resistor R6 and the other end of the resistor R7 are respectively connected to ground, one end of the resistor R5 is connected to the cathode of the diode D1 between the resistor R6, and the other end of the resistor R5 is connected between the cathode of the diode D3 and the pin 3 of the piezoelectric transformer 2.
6. The anion generator as claimed in claim 1, wherein the square wave output from pin 7 of the MCU chip U1 is consistent with the operating frequency of the MCU chip U1, so that the driving module consisting of the resistor R3, the resistor R4, the inductor L1, the capacitor C4, and the MOS transistor Q1 operates.
7. The anion generating apparatus as claimed in claim 1, wherein the piezoelectric transformer generates mechanical vibration under an alternating voltage, and the same frequency as the input frequency is generated at a secondary side of the piezoelectric transformer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952264.2A CN112072478A (en) | 2020-09-11 | 2020-09-11 | Negative ion generating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952264.2A CN112072478A (en) | 2020-09-11 | 2020-09-11 | Negative ion generating device |
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| CN112072478A true CN112072478A (en) | 2020-12-11 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208707080U (en) * | 2018-10-17 | 2019-04-05 | 无锡晶哲科技有限公司 | A kind of anion generator of indoor air cleaner |
| CN209993873U (en) * | 2019-04-26 | 2020-01-24 | 广东清拓健康科技有限公司 | Tip type anion generator |
| CN212849298U (en) * | 2020-09-11 | 2021-03-30 | 无锡市天爱智能装备有限公司 | Negative ion generating device |
-
2020
- 2020-09-11 CN CN202010952264.2A patent/CN112072478A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208707080U (en) * | 2018-10-17 | 2019-04-05 | 无锡晶哲科技有限公司 | A kind of anion generator of indoor air cleaner |
| CN209993873U (en) * | 2019-04-26 | 2020-01-24 | 广东清拓健康科技有限公司 | Tip type anion generator |
| CN212849298U (en) * | 2020-09-11 | 2021-03-30 | 无锡市天爱智能装备有限公司 | Negative ion generating device |
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