CN115164314B - Hydrated free radical generating device for inhibiting ozone generation - Google Patents
Hydrated free radical generating device for inhibiting ozone generation Download PDFInfo
- Publication number
- CN115164314B CN115164314B CN202210808414.1A CN202210808414A CN115164314B CN 115164314 B CN115164314 B CN 115164314B CN 202210808414 A CN202210808414 A CN 202210808414A CN 115164314 B CN115164314 B CN 115164314B
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- China
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- electrode
- water
- storage bin
- thermocouple
- free radical
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- 150000003254 radicals Chemical class 0.000 title claims abstract description 24
- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 132
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- 238000010891 electric arc Methods 0.000 claims abstract description 6
- 238000009833 condensation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 6
- 238000004887 air purification Methods 0.000 abstract description 4
- 230000036571 hydration Effects 0.000 abstract description 4
- 238000006703 hydration reaction Methods 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 13
- 238000004659 sterilization and disinfection Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000013566 allergen Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000003642 reactive oxygen metabolite Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
- F24F8/26—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media using ozone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
- F24F6/08—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements
- F24F6/10—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements heated electrically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
Abstract
The application belongs to the technical field of air purification, and particularly relates to a hydration free radical generating device for inhibiting ozone generation, which comprises a water supply device, a first electrode and a second electrode, wherein the water supply device supplies water for the first electrode, the first electrode is a water-absorbing ceramic electrode, and the top end of the first electrode is of a spherical structure; the center of the second electrode is a funnel-shaped arc surface, the distances from any position of the arc surface to the spherical surface of the top end of the first electrode are equal, an electric arc is generated between the first electrode and the second electrode, and water on the surface of the water absorbing ceramic electrode is ionized to generate a hydrated free radical; the application improves the service life of the electrodes and avoids ozone generation between the electrodes in a non-humid environment.
Description
Technical Field
The application belongs to the technical field of air purification, and particularly relates to a hydrated free radical generating device for inhibiting ozone generation.
Background
The air purifier is a device capable of adsorbing, decomposing or converting various air pollutants, and can effectively improve the air cleanliness of household appliances, and is mainly divided into household appliances, commercial appliances, industry and the like. The air purifier has a plurality of different technologies and mediums, so that clean and safe air can be provided for users, and common air purification technologies comprise an adsorption technology, a negative (positive) ion technology, a catalysis technology, a photocatalyst technology, a super-structure photo-mineralization technology, a HEPA efficient filtration technology, an electrostatic dust collection technology and the like; the related material technology mainly comprises photocatalyst, active carbon, polar carbon core filter element technology, synthetic fiber, HEPA high-efficiency material and the like. The prior art has found that in reactive oxygen species, hydrated free radicals can be used to perform disinfection work against viruses, bacteria, allergens, mold, etc., to erode any organic compounds found in the air and convert them to mineral or harmless water-soluble organic compounds.
The hydrated oxygen-containing free radical generation technology generates water mist containing active substances such as hydroxyl free radicals, superoxide hydrogen free radicals and the like through condensation, high-energy bombardment and Rayleigh splitting, has the characteristics of good disinfection effect, environment friendliness and the like, does not need disinfection consumables, can realize efficient disinfection of pathogenic microorganisms in a closed space, has good application prospect, and is an important research object in the field at present.
The positive electrode and the negative electrode adopted by the existing hydration free radical generation technology are both metal electrodes, and are extremely easy to corrode after long-term action on a humid environment, so that the service life is shortened, and frequent maintenance is needed; in addition, the metal electrode is extremely easy to generate a large amount of ozone in a non-humid environment, and if the generated ozone is not treated in time, the generated ozone is easy to cause damage to human bodies.
Disclosure of Invention
In order to improve the service life of electrodes in air purification equipment and avoid ozone generation between the electrodes in a non-humid environment, the application provides a hydrated free radical generation device for inhibiting ozone generation, which comprises a water supply device, a first electrode and a second electrode, wherein the water supply device supplies water for the first electrode, the first electrode is a water-absorbing ceramic electrode, and the top end of the first electrode is of a spherical structure; the center position of the second electrode is a funnel-shaped arc surface, the distances from any position of the arc surface to the spherical surface of the top end of the first electrode are equal, an electric arc is generated between the first electrode and the second electrode, and water on the surface of the water absorbing ceramic electrode is ionized to generate a hydrated free radical.
Further, the water supply device comprises a water storage bin and a condensation water collecting device, moisture in air is collected by the condensation water collecting device and is stored in the water storage bin, and the water storage bin is connected with the first electrode and supplies water for the first electrode.
Further, the top end of the first electrode is downward, the second electrode is installed right below the first electrode, the water supply device is connected with the bottom end of the first electrode, and water is supplied to the spherical structure of the first electrode through the bottom end of the first electrode.
Further, a water collecting device is arranged right below the second electrode and comprises a water collecting disc, an induction device and a thermocouple, wherein the induction device and the thermocouple are arranged on the water collecting disc, when the induction device detects that water exists in the water collecting disc, the thermocouple starts to work and generate heat, and when the thermocouple works, the thermocouple heats and evaporates the water in the water collecting disc.
Further, the hydrated free radical generating device further comprises a supporting frame, the supporting frame is of a three-layer structure, a first layer from top to bottom is used for installing a water supply device, a second layer is used for installing a second electrode, and a third layer is used for installing a water collecting device.
Further, a vent hole and a water adding hole are formed in the water storage bin, and a liquid level sensor is arranged in the water storage bin.
The beneficial effects of the application include:
1. the application adopts the water-absorbing ceramic to manufacture the first electrode, and utilizes the characteristics that the water-absorbing ceramic is non-conductive when no water exists and conductive when water exists, thereby realizing automatic stopping of discharge in the anhydrous state, avoiding direct ionization of air when no water exists and inhibiting the occurrence of ozone; the application utilizes the characteristics of the material itself to automatically control the discharge state of the electrode without adding additional control equipment.
2. According to the application, the first electrode is arranged at the bottom of the water storage bin, the grounding wire is wound on the top end of the first electrode, and the first electrode is grounded, so that high pressure in water is avoided, and the safety is improved; the water storage bin takes water from the ambient air through the condensation water collecting device, and when condensation water taking can not meet the requirement of use, water can be manually added through the water adding port. Meanwhile, a liquid level sensor is arranged in the water storage bin to detect water shortage and overflow states.
3. According to the application, excessive water drops which are not ionized on the first electrode drop on the water receiving tray, when the water sensor in the water receiving tray detects water, the thermocouple at the bottom of the water receiving tray starts to heat, and the water in the water receiving tray is evaporated, so that the air humidity of the local environment between the positive electrode and the first electrode can be increased, and the electric arc acts on moist air to generate more hydrated free radical particles, so that the generation of ozone is further reduced.
Additional advantages, objects, and features of the application will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the application. The objects and other advantages of the application may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic structural view of a water-absorbing ceramic-based hydrated radical generating apparatus in accordance with the present application;
FIG. 2 is a schematic diagram of a second electrode according to the present application;
wherein, 1, a water supply device; 11. condensing and collecting water device; 12. a water inlet; 13. a vent; 14. a water storage bin; 15. a liquid level sensor; 2. a first electrode; 3. a second electrode; 4. a high voltage power supply; 51. a water receiving tray; 52. a thermocouple; 53. an induction device.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The application provides a hydration free radical generating device for inhibiting ozone generation, which comprises a water supply device, a first electrode and a second electrode, wherein the water supply device supplies water for the first electrode, the first electrode is a water-absorbing ceramic electrode, and the top end of the first electrode is of a spherical structure; the center position of the second electrode is a funnel-shaped arc surface, the distances from any position of the arc surface to the spherical surface of the top end of the first electrode are equal, an electric arc is generated between the first electrode and the second electrode, and water on the surface of the water absorbing ceramic electrode is ionized to generate a hydrated free radical.
Examples
As shown in fig. 1-2, the device is a hydration radical generating device based on water absorbing ceramic, and comprises a first electrode 2 and a second electrode 3 which are oppositely arranged; the second electrode 3 is connected with a high-voltage power supply 4; the first electrode 2 is fixedly arranged at the bottom of the water storage bin 14 and is grounded through a grounding wire; the first electrode 2 is made of water-absorbing ceramic; the first electrode 2 absorbs water in the water storage bin 14 to become an electric conductor, an electric arc is formed between the first electrode 2 and the second electrode 3, and water on the first electrode 2 is ionized to generate hydrated radical particles for disinfection.
In this embodiment, the second electrode is opposite to the first electrode in a vertical direction, the second electrode is plate-shaped, a circular through hole is formed in the second electrode, and the first electrode is needle-shaped and is mounted on a central line of the through hole and is located above the second electrode; a water receiving tray 51 is arranged below the second electrode, a bracket is arranged between the second electrode and the water receiving tray 51, the second electrode is fixedly arranged on the bracket, and the bracket is fixedly arranged on the water receiving tray. The thermocouple 52 and the water immersion sensor 53 are arranged on the water receiving tray, when the water immersion sensor 53 senses that water exists in the water receiving tray, the thermocouple is controlled to work, the thermocouple drops the first electrode into the water in the water receiving tray to vaporize, humidifies the air between the second electrode and the first electrode, so that the condition of directly ionizing the air is further reduced, and more water and free radical particles are generated.
The water storage bin is provided with a condensation water collecting device communicated with the water storage bin, and the condensation water collecting device directly condenses and collects moisture in air and conveys the moisture to the water storage bin for the first electrode to absorb. The water storage bin is also provided with a water adding port and a vent hole, and the water adding port is used for manually adding water when the condensed water is insufficient. The liquid level sensor is arranged in the water storage bin, water level information in the water storage bin is acquired through the liquid level sensor, and water shortage and overflow states are detected, so that whether manual water adding is adopted is judged.
In the embodiment, a fan is further arranged beside the second electrode, and the hydrated free radical particles generated by ionization are quickly sent to an external environment space through the fan, so that the disinfection and sterilization of the external air are realized.
The top of the first electrode adopted in the embodiment is a spherical surface, the second electrode is separated from the first electrode by a certain distance, the second electrode is a funnel-shaped curved surface, the diameter of the hole at the center position is the same as or larger than that of the spherical surface of the first electrode, the distance from any position of the curved surface of the second electrode to the spherical surface of the first electrode is consistent, the area of a discharge point is increased, water condensed at the top of the first electrode can be left from the hole at the center of the second electrode and collected in a water receiving disc, and a thermocouple in the water receiving disc can evaporate the water, so that the space between the first electrode and the second electrode is filled with water vapor, and ozone generation is further inhibited.
The support in the embodiment can be a three-layer support, each layer of the support is provided with a water supply device, a second electrode and a water receiving disc from top to bottom, the first electrode is arranged at the bottom of the water supply device, so that the water storage bin continuously supplies water for the first electrode, a liquid level sensor can be arranged in the water storage bin, and when the liquid level in the water storage bin is lower than a certain threshold value, a warning is sent out or the power is automatically turned off; alternatively the first electrode may be mounted to the support by providing screw holes, as shown in figure 2, extending a portion in multiple directions and punching holes in it.
In the prior art, two parallel plate electrodes are adopted as a generating device, but the parallel plate electrodes are not large in generating area, but the parallel plate electrodes are more suitable for generating disinfection factors with ionized air to purify air, and the application has poor discharging effect in the application of generating the disinfection factors by ionized water.
In the description of the present application, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "outer," "front," "center," "two ends," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the application.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "rotated," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The device is characterized in that the water supply device supplies water for the first electrode, the first electrode is a water-absorbing ceramic electrode, and the top end of the first electrode is of a spherical structure; the center of the second electrode is a funnel-shaped arc surface, the distances from any position of the arc surface to the spherical surface of the top end of the first electrode are equal, an electric arc is generated between the first electrode and the second electrode, and water on the surface of the water absorbing ceramic electrode is ionized to generate a hydrated free radical;
the water supply device comprises a water storage bin and a condensation water collection device, wherein the condensation water collection device collects moisture in air, the moisture is collected and stored in the water storage bin, and the water storage bin is connected with the first electrode and supplies water for the first electrode;
the top end of the first electrode faces downwards, and a second electrode is arranged right below the first electrode;
the water collecting device comprises a water collecting disc, and an induction device and a thermocouple which are arranged on the water collecting disc, wherein when the induction device detects that water exists in the water collecting disc, the thermocouple starts to work and generate heat, and when the thermocouple works, the thermocouple heats and evaporates the water in the water collecting disc.
2. The apparatus of claim 1, wherein the water supply means is connected to the bottom end of the first electrode and supplies water through the spherical structure of the first electrode at the bottom end of the first electrode.
3. The device for inhibiting the generation of hydrated free radicals as claimed in claim 1, further comprising a support frame, wherein the support frame has a three-layer structure, a first layer for mounting a water supply device, a second layer for mounting a second electrode, and a third layer for mounting a water collecting device from top to bottom.
4. The device for inhibiting generation of hydrated free radicals as claimed in claim 1, wherein the water storage bin is provided with a vent hole and a water adding hole, and a liquid level sensor is installed inside the water storage bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210808414.1A CN115164314B (en) | 2022-07-11 | 2022-07-11 | Hydrated free radical generating device for inhibiting ozone generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210808414.1A CN115164314B (en) | 2022-07-11 | 2022-07-11 | Hydrated free radical generating device for inhibiting ozone generation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115164314A CN115164314A (en) | 2022-10-11 |
| CN115164314B true CN115164314B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210808414.1A Active CN115164314B (en) | 2022-07-11 | 2022-07-11 | Hydrated free radical generating device for inhibiting ozone generation |
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|---|---|---|---|---|
| US4848353A (en) * | 1986-09-05 | 1989-07-18 | Minnesota Mining And Manufacturing Company | Electrically-conductive, pressure-sensitive adhesive and biomedical electrodes |
| CN102891071A (en) * | 2011-07-18 | 2013-01-23 | 中国科学院微电子研究所 | Novel atmospheric pressure plasma free-radical cleaning spray gun |
| CN103329632A (en) * | 2011-02-08 | 2013-09-25 | 松下电器产业株式会社 | Plasma generator, cleaning and purifying device using the plasma generator, and small-sized electrical apparatus |
| CN104748263A (en) * | 2015-03-31 | 2015-07-01 | 西安交通大学 | Device capable of achieving atomization humidification and air purification by means of air conditioner condensation water |
| CN109803690A (en) * | 2016-10-06 | 2019-05-24 | 卓水(北京)科技有限公司 | Discharge processor and its discharge treatment unit |
| CN212378160U (en) * | 2020-06-29 | 2021-01-19 | 宁波奥克斯电气股份有限公司 | Air conditioner nanometer water ion generation system and air conditioner |
| CN113531701A (en) * | 2021-06-09 | 2021-10-22 | 青岛海信日立空调系统有限公司 | Air purification device and air conditioner |
-
2022
- 2022-07-11 CN CN202210808414.1A patent/CN115164314B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4848353A (en) * | 1986-09-05 | 1989-07-18 | Minnesota Mining And Manufacturing Company | Electrically-conductive, pressure-sensitive adhesive and biomedical electrodes |
| CN103329632A (en) * | 2011-02-08 | 2013-09-25 | 松下电器产业株式会社 | Plasma generator, cleaning and purifying device using the plasma generator, and small-sized electrical apparatus |
| CN102891071A (en) * | 2011-07-18 | 2013-01-23 | 中国科学院微电子研究所 | Novel atmospheric pressure plasma free-radical cleaning spray gun |
| CN104748263A (en) * | 2015-03-31 | 2015-07-01 | 西安交通大学 | Device capable of achieving atomization humidification and air purification by means of air conditioner condensation water |
| CN109803690A (en) * | 2016-10-06 | 2019-05-24 | 卓水(北京)科技有限公司 | Discharge processor and its discharge treatment unit |
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| CN115164314A (en) | 2022-10-11 |
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