CN210994783U - High pressure dust removal window safety device - Google Patents
High pressure dust removal window safety device Download PDFInfo
- Publication number
- CN210994783U CN210994783U CN201921733119.4U CN201921733119U CN210994783U CN 210994783 U CN210994783 U CN 210994783U CN 201921733119 U CN201921733119 U CN 201921733119U CN 210994783 U CN210994783 U CN 210994783U
- Authority
- CN
- China
- Prior art keywords
- voltage
- signal
- module
- human body
- safety device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
The utility model discloses a high-voltage dust removal window safety device, which comprises a high-voltage screen window, wherein the high-voltage screen window comprises a fixed frame, an insulating thin line and a conductive wire which is vertically arranged with the insulating thin line and is alternately positive and negative; one end of the conducting wire is connected with the high-voltage generating module, and the other end of the conducting wire is grounded; the high-voltage direct current signal is connected with an output control module; the output control module controls whether the alternating signal is output to the high-voltage generation module or not by controlling the on-off of the judgment circuit according to the received human body control signal; the human body control signal is obtained by sensing according to the human body sensing module; the alternating signal is generated by a signal source module. When human response module detected that nobody when high-pressure screen window is near, applyed high-voltage static to high-pressure screen window, carry out electrostatic precipitator to getting into indoor air from the open air, when detecting someone and being close high-pressure screen window, the automatic shutdown high pressure prevents that personnel from electrocuteing, sends alarm signal simultaneously, reminds to be close high-pressure district personnel and pay attention to safety.
Description
Technical Field
The utility model belongs to the high-pressure dust removal related field; relates to a safety system which can filter dust particles outside a window to prevent the dust particles from entering the room and can avoid electric shock of a human body, in particular to a safety device of a high-voltage dust removal window.
Background
With the increasing importance of people on the quality of life and environmental protection, the concept of ecological home is more and more favored by people, and indoor air purification devices are also continuously upgraded; the method for adsorbing the dust by using the high-voltage electrostatic power grid is a convenient, simple and low-cost method for reducing the PM value in the air.
The electrostatic network dust adsorption is essentially composed of two electrodes with opposite standards, wherein one electrode is a wire (pipe) with a large surface curvature or a bur shape (called corona electrode), the other electrode is a pipe (plate) for dust collection, when the electrostatic network dust adsorption device works, a high voltage is applied between the corona electrode and the collecting plate electrode to enable the corona plate electrode to generate corona discharge to form a corona area, a large amount of free electrons and positive ions are generated in the corona area, the free electrons are attached to gas molecules, and the gas molecules are enabled to become negative ions. Free electron, ion and anion move to collection dirt utmost point (board) under the electric field force effect, and be full of the space between the two poles of the earth, when polluted gases such as smoke and dust pass through this region, its free electron, ion and anion will collide with polluted gases (sol), the particle, and attach to aerosol (smoke and dust), on the particle, make it electrified, form the smoke and dust of negative charge, the particle, because the smoke and dust particle of negative charge receives the electric field force effect in the electrostatic field, deposit on the current collection board of its smoke and dust particle drive electric field, when the dust reaches certain thickness, the deashing, rapping device is regularly clear away, fall into the dust collection box.
For example, chinese patent CN 2015203063591 proposes an electrostatic precipitator window, which includes a window frame and an electrostatic generator, wherein the window frame is divided into two or more air ducts by one or more partition boards, a discharge electrode is disposed on the upper portion of the air duct, a dust collecting electrode is disposed on the lower portion of the air duct, and a current loop is formed after the air duct is connected to an external power supply, so as to form the electrostatic generator: the discharge electrodes of adjacent air channels are connected in parallel in the loop, the dust collecting electrodes of adjacent air channels are also connected in parallel in the loop, and the upper and lower parts of the air channels are the upper and lower ends of the partition plate. Set up static generating device, form the electric field after the circular telegram, after air gets into the electric field, the negative pole discharges (discharge electrode promptly), and the air is ionized for positive ion and electron, and the electron can effectively combine with the dirt particle in the air to drive the dirt particle and tend towards the positive plate motion (the collection dirt electrode direction promptly), the dirt particle with electron combination area after the negative electricity, tend to collection dirt electrode surface deposit, thereby realized utilizing the electrostatic field to make gaseous ionization make the dirt particle electrified absorption to the electrode on carry out air dust removal. Although this patent provides a graphite mesh to prevent people, especially children, from inadvertently touching the air between the plates and even the discharge electrode, thereby causing an electric shock; in practical applications, however, the possibility of electric shock still exists.
In summary, in the electrostatic precipitation window in the prior art, when a high-voltage electrostatic grid is additionally installed on the window, a person may get an electric shock when touching the grid carelessly, and thus the safety problem is brought, which affects the application of the high-voltage grid precipitation technology in home.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to utilize a high pressure dust removal window safety device to utilize high-voltage static electric wire netting to adsorb the dust in solving indoor air purification system, take place the safety problem of electrocuteeing when avoiding human carelessly to touch the electric wire netting simultaneously. The utility model relates to a device of static high pressure break-make is added to human detection automatic control high pressure screen window, through acquireing human infrared signal, confirm whether to apply static high pressure for high pressure screen window. When human response module detects nobody near high-voltage screen window, applys high-voltage static to high-voltage screen window, realizes carrying out electrostatic precipitator's purpose to the air that gets into indoor from the open air, when detecting someone and be close high-voltage screen window, the automatic high pressure of turn-offs to send alarm signal, prevent that the human body from electrocuted, reach the purpose of safe dust removal.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-voltage dust removal window safety device comprises a high-voltage screen window, wherein the high-voltage screen window comprises a fixed frame, insulating thin lines which are vertically arranged and electric leads which are vertically arranged with the insulating thin lines and alternate in positive and negative directions; one end of the conducting wire is connected with a high-voltage direct-current signal output by the high-voltage generation module, and the other end of the conducting wire is grounded; the high-voltage direct current signal is connected with an output control module; the output control module controls whether the alternating signal is output to the high-voltage generation module or not by controlling the on-off of the judgment circuit according to the received human body control signal; the human body control signal is obtained according to the induction of the human body induction module; the alternating signal is generated by a signal source module.
Furthermore, the signal source module can convert the direct-current voltage output by a low-voltage direct-current power supply such as a battery and a charger into a low-voltage alternating signal, wherein the low-voltage alternating signal can be a sinusoidal signal or a square-wave signal;
furthermore, the high-voltage generation module comprises a step-up transformer and a voltage doubling rectifying circuit, and can be used for stepping up and rectifying the low-voltage alternating signal to obtain ten thousand-volt direct-current voltage output;
furthermore, the human body induction module focuses the infrared signal emitted by the human body close to the high-voltage screen window on the passive infrared detector PIR through the Fresnel mirror, so that the moving human body entering the detection area can generate a variable pyroelectric infrared signal on the PIR in a temperature change mode, and the variable pyroelectric infrared signal is amplified and rectified by the infrared signal processing circuit to output a high-level control signal;
furthermore, the output control module controls whether the low-voltage alternating signal input by the connected signal source module is output to the high-voltage generating module or not by using the received control signal output by the human body induction module, and simultaneously enables the warning lamp to be lightened and the buzzer to sound when the human body enters the detection area so as to remind people of paying attention to high voltage to prevent electric shock and cut off the high-voltage power supply to avoid electric shock of the human body;
furthermore, the high-voltage screen window is connected with the high-voltage generating module, when electrostatic high voltage is output, a high-voltage electrostatic field is generated between the metal wires which are alternately arranged, so that dust particles in air entering the room from the outside of the window are polarized and adsorbed on the metal wires, the purpose of preventing the dust particles from performing indoor dust removal is achieved, and the insulating thin wires which are vertically crossed and connected with the high-voltage screen window and the window frame play a role in fixing the metal wires.
Preferably, the low-voltage direct current power supply is adopted instead of alternating current commercial power, so that the human body does not die even if the human body is accidentally shocked.
Preferably, the boosting transformer and the voltage doubling rectifying circuit jointly act to generate high voltage, so that the requirement on the withstand voltage of the transformer can be reduced, and the system cost is reduced.
Preferably, the human body induction module selects an infrared signal processing circuit module which integrates a Fresnel mirror and infrared signal amplification, rectification and filtering, and the existing circuit can be utilized, so that manpower, material resources and cost are saved.
Preferably, the warning device in the output control module selects the light emitting diode and the buzzer to save cost, and the circuit for controlling the high-voltage output adopts on-off control of the low-voltage alternating signal to prevent the phenomenon of generating electricity flowers during the high-voltage on-off control.
Preferably, the high-voltage screen window adopts the technical scheme that metal wires are alternately arranged in a positive-negative isolation mode to form a high-voltage electrostatic field on the whole window body plane, so that the contact between a power grid and dust particles in the air is realized in the largest area, and meanwhile, the metal wires are fixed by insulating thin wires and a window frame which are vertically crossed and connected with the metal wires.
The utility model discloses an useful part lies in:
firstly, whether a person approaches a high-voltage screen window can be detected in real time, and the on-off of high voltage applied to the high-voltage screen window is controlled;
the device can send visible and audible sound and light signals to warn people when detecting that people approach the high-voltage screen window in real time, and simultaneously automatically turn off the electrostatic high-voltage output, thereby achieving the purpose of safely using the high-voltage dust removal screen window;
thirdly, the device adopts a low-voltage direct-current power supply instead of alternating-current commercial power, so that the human body cannot die even if the human body is accidentally shocked, and the device is used as further safety insurance;
fourth, this device has solved among the indoor air purification system and has utilized high-voltage static electric wire netting to adsorb the dust, avoids the people to touch the safety problem that takes place to electrocute when the electric wire netting carelessly simultaneously, and device simple manufacture, the cost is lower relatively, does benefit to and uses widely.
Drawings
FIG. 1 is a functional block diagram of a safety device of a high-pressure dust-removing window of the present invention;
fig. 2 is a schematic diagram of a circuit structure of the medium-high voltage screen window of the present invention;
fig. 3 is a schematic circuit diagram of a signal source module in the present invention;
fig. 4 is a schematic diagram of a circuit structure of the high voltage generating module of the present invention;
fig. 5 is a schematic circuit structure diagram of the human body sensing module of the present invention;
fig. 6 is a schematic diagram of a circuit structure of the output control module according to the present invention;
in the figure, 1, a fixed frame, 2, an insulating thin wire, 3, a positive wire, 30, a positive lead, 4, a negative wire, 40 and a negative lead.
Detailed Description
For the convenience of persons skilled in the art to better understand the essence of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
As an implementation manner, as shown in fig. 1, the utility model discloses a high pressure dust removal window safety device includes high-pressure screen window and signal source module, high pressure production module, human response module, output control module component at least.
One end of the high-voltage screen window is connected with a high-voltage direct-current signal output by the high-voltage generating module through a conducting wire of the high-voltage screen window, and the other end of the high-voltage screen window is grounded; the high-voltage direct current signal is connected with an output control module; the output control module controls whether the alternating signal is output to the high-voltage generation module or not by controlling the on-off of the judgment circuit according to the received human body control signal; the human body control signal is obtained according to the induction of the human body induction module; the alternating signal is generated by a signal source module.
In one embodiment, as shown in fig. 2, the high voltage screen window comprises a fixed frame 1, an insulating thin wire 2 vertically arranged inside the fixed frame 1, and a conductive wire which is vertically arranged with the insulating thin wire and has a positive electrode wire 3 and a negative electrode wire 4 alternately arranged; each positive wire 3 is connected to a power supply Vh via a positive lead 30, and each negative wire 4 is grounded via a negative lead 40.
Preferably, the conductive wire is generally a metal wire having a good conductive function.
As an implementation manner, the signal source module includes a dc current source and a dc converter, and the dc converter converts a dc voltage output by the dc current source into an alternating signal of a low voltage. The signal source module can convert the direct-current voltage output by a low-voltage direct-current voltage source such as a storage battery and a charger into a low-voltage alternating signal, and the low-voltage alternating signal can be a sinusoidal signal or a square wave signal.
In a preferred embodiment, a circuit result of the signal source module is shown in fig. 3, and a multivibrator is formed by using a capacitor C1, a resistor R1 and an inverter G1, and the inverter G2 performs isolation and shaping functions so as to form a U-shaped signal path0The terminal converts the direct current low voltage of the direct current power supply into an alternating signal and provides an excitation signal source for subsequent transformer boosting.
As a preferred embodiment, the alternating signal is a low-voltage, high-frequency alternating signal.
In one embodiment, the high voltage generation module includes a step-up transformer and a voltage doubling rectifying circuit, the step-up transformer boosts the alternating signal output by the signal source module, and the voltage doubling rectifying circuit performs voltage doubling rectification on the boosted alternating signal, so as to obtain the high voltage direct current voltage. Therefore, the low-voltage alternating signal can be boosted and rectified to obtain ten thousand volts of direct-current voltage output.
As a preferred embodiment, a schematic circuit structure of the high voltage generating module is shown in fig. 4, a received low voltage alternating signal Vi and a dc power supply Vcc are applied to a primary side of a transformer N, and after boosting, a high voltage alternating signal output by a secondary side of the transformer is rectified by a voltage doubling capacitor C2, a diode D1, a diode D2, and a capacitor C3 to form a dc high voltage, which is output from Vh to become an excitation signal applied to the high voltage screen.
In one embodiment, the human body sensing module focuses a pyroelectric infrared signal on a passive infrared detector PIR through a Fresnel mirror on an infrared signal emitted by a human body close to the high-voltage screen window, enables a mobile human body entering a detection area to generate a variable pyroelectric infrared signal on the PIR in the form of temperature change, and outputs a high-level control signal after the infrared signal is amplified and rectified by an infrared signal processing circuit;
in a preferred embodiment, a schematic circuit structure of the human body sensing module is shown in fig. 5, a fresnel mirror focuses a pyroelectric infrared signal on a passive infrared detector PIR, and enables a moving human body entering a detection area to generate a variable pyroelectric infrared signal on the PIR in the form of temperature variation, and the variable pyroelectric infrared signal is amplified and rectified by an infrared signal processing circuit composed of RP1, C1, BISS0001, RP2, C2, R1, C3, R2, R3, C4, C5, R4, and C6, and then a control signal ctr is output to an output control module. The infrared signal processing circuit adopts a BISS0001 infrared sensing signal processor.
In one embodiment, the output control module controls whether the low-voltage alternating signal input by the connected signal source module is output to the high-voltage generating module by using the received control signal output by the human body sensing module, and simultaneously, when a human body enters a detection area, the alarm lamp is lightened and the buzzer sounds, so that people are reminded of paying attention to high voltage to prevent electric shock, and the high-voltage power supply is cut off to avoid electric shock of the human body;
as an implementation manner, the judgment circuit comprises a first isolation resistor, a first optical coupler tube, a second isolation resistor, a second optical coupler tube and a control switch; one end of the first isolation resistor is connected with the signal source module, and the other end of the first isolation resistor is connected with the anode of a diode of the first optical coupling tube; one end of the second isolation resistor is connected with the human body induction control module, and the other end of the second isolation resistor is connected with a photosensitive tube collector of the first optical coupling tube; and the anode of a diode of the second optical coupling tube is connected with the emitter of the photosensitive tube of the first optical coupling tube, and the collector of the photosensitive tube of the second optical coupling tube is connected with the control switch.
As a preferred implementation, on the basis of the foregoing implementation, the output control module further includes a warning circuit; the warning circuit comprises a third isolation resistor, a third optical coupling tube, a buzzer, a fourth isolation resistor and a light emitting diode; one end of the third isolation resistor is connected with the signal source module, and the other end of the third isolation resistor is connected with the anode of a diode of the third optical coupling tube; the collector of the photosensitive tube of the third optocoupler tube is connected with a buzzer and a fourth isolation resistor, the other end of the fourth isolation resistor is connected with a light emitting diode, and the buzzer and the light emitting diode are both connected with a power supply end VDDAnd diode cathodes of the optical coupling tubes are all grounded, and emitters of the photosensitive tubes of the second optical coupling tube and the third optical coupling tube are all grounded.
Specifically, a schematic circuit structure of the output control module is shown in fig. 6, and comes from the signal source module U0The output alternating signal passes through a first isolation resistor R2, a second isolation resistor R3, a first optical coupling tube Qg1 and a second optical coupling tube Qg2, and the on-off of a Vi is controlled under the action of a control signal ctr output by the human body induction module, so that the on-off of the primary input end of the transformer is controlled, and the purpose of controlling the transformer to output high voltage is achieved. This reduces the difficulty of controlling the high voltage. Meanwhile, a control signal ctr output by the human body induction module also controls a buzzer Br to sound through a third isolation R4 and a third optical coupling tube Qg3, and controls a light-emitting diode D3 to emit light, so that a visible and audible alarm signal is emitted, and a fourth isolation resistor R5 plays a role in limiting current.
It is to be understood that, since the circuit diagram of the present invention is numerous, for convenience of description, the circuit symbol labels in each figure should be understood in conjunction with the module, for example, the resistor R5 in fig. 5 and the resistor R5 in fig. 6 are not the same resistor.
In one implementation mode, when electrostatic high voltage is output, a high-voltage electrostatic field is generated between the metal wires which are alternately arranged in a positive mode and a negative mode on the high-voltage screen window, so that dust particles in air entering a room from the outside of the window are polarized and adsorbed on the metal wires, the purpose of preventing the dust particles from conducting indoor dust removal is achieved, and the insulating thin wires which are perpendicularly crossed and connected with the metal wires and the window frame play a role in fixing the metal wires.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defined as "first", "second", etc. may explicitly or implicitly include at least one such feature.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A high-voltage dust removal window safety device comprises a high-voltage screen window, and is characterized in that the high-voltage screen window comprises a fixed frame, insulating thin lines which are transversely or vertically arranged and conductive wires which are vertically arranged and alternate in positive and negative directions with the insulating thin lines are arranged in the fixed frame; one end of the conducting wire is connected with a high-voltage direct-current signal output by the high-voltage generation module, and the other end of the conducting wire is grounded; the high-voltage direct current signal is connected with an output control module; the output control module controls whether the alternating signal is output to the high-voltage generation module or not by controlling the on-off of the judgment circuit according to the received human body control signal; the human body control signal is obtained according to the induction of the human body induction module; the alternating signal is generated by a signal source module.
2. The safety device for the high-voltage dust removal window as claimed in claim 1, wherein the high-voltage generation module comprises a step-up transformer and a voltage-doubling rectification circuit, the step-up transformer boosts the alternating signal output by the signal source module, and the voltage-doubling rectification circuit performs voltage-doubling rectification on the boosted alternating signal so as to obtain the high-voltage direct current voltage.
3. The high voltage dust removal window safety device of claim 2, wherein the high voltage dc voltage is at least ten thousand volts.
4. The safety device of claim 1, wherein the judgment circuit comprises a first isolation resistor, a first optical coupler tube, a second isolation resistor, a second optical coupler tube and a control switch; one end of the first isolation resistor is connected with the signal source module, and the other end of the first isolation resistor is connected with the anode of a diode of the first optical coupling tube; one end of the second isolation resistor is connected with the human body induction control module, and the other end of the second isolation resistor is connected with a photosensitive tube collector of the first optical coupling tube; and the anode of a diode of the second optical coupling tube is connected with the emitter of the photosensitive tube of the first optical coupling tube, and the collector of the photosensitive tube of the second optical coupling tube is connected with the control switch.
5. The safety device for the high-pressure dust removing window according to claim 1 or 4, wherein the output control module further comprises a warning circuit; the warning circuit comprises a third isolation resistor, a third optical coupling tube, a buzzer, a fourth isolation resistor and a light emitting diode; one end of the third isolation resistor is connected with the signal source module, and the other end of the third isolation resistor is connected with the anode of a diode of the third optical coupling tube; the collector of the photosensitive tube of the third optocoupler tube is connected with a buzzer and a fourth isolation resistor, the other end of the fourth isolation resistor is connected with a light emitting diode, and the buzzer and the light emitting diode are both connected with a power supply end VDDAnd diode cathodes of the optical coupling tubes are all grounded, and emitters of the photosensitive tubes of the second optical coupling tube and the third optical coupling tube are all grounded.
6. The safety device of claim 1, wherein the human body induction module at least comprises a Fresnel mirror and an infrared signal processing circuit; the Fresnel mirror focuses and releases the detected human body infrared signals, and the infrared signal processing circuit amplifies and rectifies the human body infrared signals subjected to focusing and releasing so as to output high-level human body control signals.
7. The safety device of claim 6, wherein the infrared signal processing circuit employs a BISS0001 infrared sensing signal processor.
8. The safety device for the high-voltage dust removing window according to claim 1, wherein the signal source module comprises a direct current source and a direct current converter, and the direct current converter converts a direct current voltage output by the direct current source into an alternating signal of a low voltage.
9. The safety device of claim 8, wherein the dc current source comprises a charger and/or a battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921733119.4U CN210994783U (en) | 2019-10-16 | 2019-10-16 | High pressure dust removal window safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921733119.4U CN210994783U (en) | 2019-10-16 | 2019-10-16 | High pressure dust removal window safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210994783U true CN210994783U (en) | 2020-07-14 |
Family
ID=71483874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921733119.4U Active CN210994783U (en) | 2019-10-16 | 2019-10-16 | High pressure dust removal window safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210994783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082533A (en) * | 2021-11-26 | 2022-02-25 | 中电国核(北京)节能环保科技有限公司 | High-frequency power supply control system of electrostatic dust collector |
| CN114320135A (en) * | 2021-12-30 | 2022-04-12 | 京东方科技集团股份有限公司 | Screen window |
-
2019
- 2019-10-16 CN CN201921733119.4U patent/CN210994783U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082533A (en) * | 2021-11-26 | 2022-02-25 | 中电国核(北京)节能环保科技有限公司 | High-frequency power supply control system of electrostatic dust collector |
| CN114320135A (en) * | 2021-12-30 | 2022-04-12 | 京东方科技集团股份有限公司 | Screen window |
| CN114320135B (en) * | 2021-12-30 | 2024-03-26 | 京东方科技集团股份有限公司 | Screen window |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210994783U (en) | High pressure dust removal window safety device | |
| CN101922765B (en) | Clean room with non-thermal plasma air disinfection purifier | |
| CN1675730B (en) | Electrostatic fluid accelerator and method for control of a fluid flow | |
| TW589440B (en) | Ion generator and air conditioning apparatus | |
| CN101922763B (en) | Air purifying device | |
| WO2011079509A1 (en) | Plasma sterilizing-purifying machine and method for air sterilizing and purifying | |
| CN101066535B (en) | Ozone-controlling electrostatic air purifier | |
| CN201724320U (en) | Air disinfection purification central air conditioner | |
| CN101920032B (en) | Athermal plasma purifying unit | |
| CN101920040B (en) | Air duct type electronic air purification machine | |
| CN104534633A (en) | Control system for air purifier | |
| CN2518260Y (en) | High voltage and frequency pulse d.c. generator | |
| CN201586249U (en) | Plasma air disinfection purifier | |
| CN201715634U (en) | Cleaning room provided with athermal plasma air-sterilization purifier | |
| CN216244804U (en) | Modular multifunctional air purifier | |
| WO2014194813A1 (en) | Ion air purifier and discharge monitoring and protective circuit of high-voltage ion purifier | |
| CN201662163U (en) | Plasma air disinfecting and purifying air conditioner | |
| CN210532570U (en) | Air optimization system | |
| CN214174578U (en) | High-power oil smoke purifies power | |
| CN209791191U (en) | electrostatic precipitation formula air purifier with humidity monitoring and intelligent humidity control | |
| CN213644512U (en) | Cigarette cleaner | |
| US4877428A (en) | Ionic air cleaner for homes and motor vehicles | |
| CN109277196A (en) | A kind of clean air package | |
| CN201710703U (en) | Duct type electronic air purifying machine | |
| CN215586787U (en) | Dust collecting plate and dust collecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |