CN110017522A - A kind of kitchen ventilator micro discharge plasma removal waste gas system - Google Patents

A kind of kitchen ventilator micro discharge plasma removal waste gas system Download PDF

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Publication number
CN110017522A
CN110017522A CN201910406567.1A CN201910406567A CN110017522A CN 110017522 A CN110017522 A CN 110017522A CN 201910406567 A CN201910406567 A CN 201910406567A CN 110017522 A CN110017522 A CN 110017522A
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China
Prior art keywords
cabinet
plate
kitchen ventilator
waste gas
discharge plasma
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CN201910406567.1A
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Chinese (zh)
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CN110017522B (en
Inventor
刘秀萍
李平
李宁宁
宫心
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Anhui University of Science and Technology
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Anhui University of Science and Technology
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Priority to CN201910406567.1A priority Critical patent/CN110017522B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/66—Applications of electricity supply techniques
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/66—Applications of electricity supply techniques
    • B03C3/68—Control systems therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2021—Arrangement or mounting of control or safety systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Treating Waste Gases (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Ventilation (AREA)

Abstract

The present invention relates to kitchen ventilator fields, and disclose a kind of kitchen ventilator micro discharge plasma removal waste gas system, including cabinet, exhaust air box, external tapping and air intake, draft chamber is provided through on the inside of the cabinet, the cabinet dielectric impedance plate that is equipped with equal height fixed along the two sides in interior aspect face, the interior aspect face of the dielectric impedance plate is provided with longitudinal pole plate along the vertical direction, the interior aspect face of the dielectric impedance plate is fixedly installed transverse collecting plate at the lower end of longitudinal pole plate, what the outer surface of the cabinet was fixed is provided with plasma power supply unit, the interior aspect face of the cabinet is provided with smoke gas sensor at lower end.A kind of kitchen ventilator micro discharge plasma removal waste gas system, flue gas is ionized using high voltage electric field, dust charged separates under electric field action with air-flow, achievees the purpose that purification range hood exhaust gas, has the advantages of purification air, reduce to air pollution, energy-saving and emission-reduction.

Description

A kind of kitchen ventilator micro discharge plasma removal waste gas system
Technical field
The present invention relates to kitchen ventilator field, specially a kind of kitchen ventilator micro discharge plasma removes waste gas system.
Background technique
In recent years may be inhaled fine particle (PM1.0, PM2.5, PM10), volatile organic compounds (VOCs), moisture The haze as the main component with harmful microorganism is that the lasting great environmental for perplexing and having seriously affected people's health is asked Topic, oil smoke are generated due to food oil and food high-temperature heating, the heated cooking oil vapors of the condition of high temperature have it is strong it is carcinogenic with Mutagenesis harm, since most restaurants, restaurant are located at business district and residential block, oil smoke discharge is to surrounding resident and environment Serious influence is brought, cooking fume pollutes the problem that disturbs residents, it has also become one of the hot issue that city dweller's environmental protection is complained.
Micro discharge plasma is a kind of special shape of non-equilibrium plasma, is referred in Plasma Formation Electron energy reaches 1-20eV, and then temperature is lower for the particle of other larger quality, close to room temperature state, in system between particle Energy distribution reach balance far away, be rich in a large amount of active particles such as free radical, elemental oxygen and high energy electron and ozone, purple The electric discharge accompaniment such as outside line.
Current most of kitchen ventilators mostly use fabric filtration or wet treatment method for the processing of exhaust gas, and wherein fabric filters method Resistance is big, land occupation is big, in addition to this also needs to be replaced frequently filtrate, energy consumption is larger；Wet processed rule, which exists, generates oily water Secondary pollution problem, for this purpose, it is proposed that a kind of kitchen ventilator micro discharge plasma remove waste gas system.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of kitchen ventilator micro discharge plasmas to remove waste gas system, Have the advantages of purification air, reduce to air pollution, energy-saving and emission-reduction, solves tradition removal oil flue waste gas system and often replace Filtrate, energy consumption is larger, there are problems that generating the secondary pollution of oily water.
(2) technical solution
To realize the above-mentioned purpose for having purification air, reduction to air pollution, energy-saving and emission-reduction, the following skill of present invention offer Art scheme: a kind of kitchen ventilator micro discharge plasma removal waste gas system, including cabinet, exhaust air box, external tapping and air intake, institute State and be provided through draft chamber on the inside of cabinet, the cabinet along interior aspect face two sides it is fixed be equipped with equal height Dielectric impedance plate, the interior aspect face of the dielectric impedance plate are provided with longitudinal pole plate, the dielectric impedance plate along the vertical direction Interior aspect face transverse collecting plate, the fixed setting in the outer surface of the cabinet are fixedly installed at the lower end of longitudinal pole plate There is plasma power supply unit, the interior aspect face of the cabinet is provided with smoke gas sensor at lower end.
Preferably, what the lower end of the cabinet was fixed is provided with air intake, and near side (ns) is leaned in the upper end outer surface of the air intake That fixes at edge is provided with arc-shaped shield, and the leading exterior surface of the air intake is provided with control panel, the control plane The outer surface of plate is provided with display screen, and the outer surface of the control panel is provided with control button close to the side of display screen, institute The quantity for stating control button is several groups, and the control button is arranged in array, the port of the control button and display screen It is electrically connected respectively with control panel, the input port of the control panel and the output port of cabinet are electrically connected.
Preferably, the lower end outer surface of the air intake is provided through air inlet, the open upper end of the air inlet with Draft chamber is connected, and the open at its lower end of the air inlet is connected to outside, and the lower end outer surface of the air intake is close to air inlet Front be provided with LED light, the input port of the LED light and the output port of control panel are electrically connected.
Preferably, the rear end open of the external tapping is connected on the inside of the inside of the external tapping and exhaust air box, described It is connected on the inside of the inside of exhaust air box and draft chamber, is solid between the front end of the external tapping and the back end outer surface of exhaust air box Fixed connection, it is smooth between the lower end of the exhaust air box and the upper end of cabinet to be fixedly connected.
Preferably, the vertical upper end outer surface for being installed on transverse collecting plate of longitudinal pole plate, the longitudinal direction pole plate and The edge of transverse collecting plate is fixedly connected between the interior aspect face of dielectric impedance plate respectively, the outer surface of the longitudinal direction pole plate It is provided with the first through hole of several groups array arrangement, and first through hole is through the outer surface of longitudinal pole plate, the longitudinal direction pole plate Upper end be not higher than the upper end of dielectric impedance plate, the outer surface of the transverse collecting plate is arc shape, the transverse collecting plate it is outer Surface is provided with the second through-hole that several groups are arranged in array, and the second through-hole is through the outer surface of transverse collecting plate.
Preferably, the plasma power supply unit includes the EHC high frequency electric source for being fixedly installed in cabinet outer surface, connection Wiring and ground connection wiring, the output port of the EHC high frequency electric source by connection wiring respectively with transverse collecting plate and longitudinal pole The input port of plate is electrically connected, and one end of the ground connection wiring is connected to the outer surface of cabinet, and the cabinet is metal material.
Preferably, the smoke gas sensor includes LED light transmitting module, optical index computing module, smoke content calculating Module and voltage regulator module, the signal output port of the optical index computing module and the signal of smoke content computing module Input port is connected, the signal output port of the smoke content computing module and the signal output port of voltage regulator module It is connected, the fixed interior aspect face for being installed on cabinet of the smoke gas sensor.
Preferably, the output port of the input port of the smoke gas sensor and control panel is electrically connected, the EHC high The signal port of frequency power is connected with the signal port of control panel with the signal port of control panel, the exhaust air box it is interior The fixed blower being provided with towards the air draft of external tapping direction in side, the output of the input port and voltage regulator module of the blower Port is electrically connected, and the input port of the voltage regulator module and the output port of control panel are electrically connected.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of kitchen ventilator micro discharge plasmas to remove waste gas system, has Below the utility model has the advantages that
1, the kitchen ventilator micro discharge plasma removes waste gas system, ionizes flue gas using high voltage electric field, air-flow In dust charged separated under electric field action with air-flow, to achieve the purpose that purification range hood exhaust gas, pass through EHC high-frequency electrical The effect in source, when operating voltage reaches 80kV, output electric current is when reaching 2.4A, can on longitudinal pole plate and transverse collecting plate Realize micro discharge, and power factor is greater than 0.95, no phase shortage loss, no electric network pollution can preferably improve fume eliminating electric field Performance, improve the average value and peak value of output voltage, guarantee that micro discharge plasma is full on longitudinal pole plate and transverse collecting plate Efficient operation is loaded, elaioleucite, the dust etc. in the oil smoke of process are adsorbed, achievees the effect that purify air, reduce to sky The pollution of gas.
2, kitchen ventilator micro discharge plasma removal waste gas system is sent out by the effect of smoke gas sensor by LED light The transmitting that module carries out LED light is penetrated, is carried out by optical index computing module by the content of LED light flue dust in air The calculating of refractive index, and judged smoke content by smoke content computing module, finally according to smoke content by voltage tune The adjustment of mould preparation block is changed the velocity of liquid assets of air to reach for the voltage of fan to change the running speed of blower The purpose of energy-saving and emission-reduction.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is positive view of the invention；
Fig. 3 is the schematic diagram of longitudinal pole plate and transverse collecting plate of the invention；
Fig. 4 is the working principle of the invention figure.
In figure: 1, cabinet；2, exhaust air box；3, external tapping；4, draft chamber；5, blower；6, air intake；7, shield；8, it controls Panel；9, display screen；10, control button；11, LED light；12, air inlet；13, longitudinal pole plate；14, first through hole；15, laterally Pole plate；16, the second through-hole；17, dielectric impedance plate；18, plasma power supply unit；181, EHC high frequency electric source；182, it connects Line；183, it is grounded wiring；19, smoke gas sensor；191, LED light transmitting module；192, optical index computing module；193, flue dust Content computing module；194, voltage regulator module.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-4, a kind of kitchen ventilator micro discharge plasma removes waste gas system, including cabinet 1, exhaust air box 2, outer Interface 3 and air intake 6, the inside of cabinet 1 are provided through draft chamber 4, the laying fixed along the two sides in interior aspect face of cabinet 1 There is the dielectric impedance plate 17 of equal height, the interior aspect face of dielectric impedance plate 17 is provided with longitudinal pole plate 13 along the vertical direction, The interior aspect face of dielectric impedance plate 17 is fixedly installed transverse collecting plate 15 at the lower end of longitudinal pole plate 13, cabinet 1 it is outer What surface was fixed is provided with plasma power supply unit 18, and the interior aspect face of cabinet 1 is provided with flue dust sensing at lower end Device 19.
What the lower end of cabinet 1 was fixed is provided with air intake 6, to ensure that soot gas can flow into, outside the upper end of air intake 6 Surface is provided with arc-shaped shield 7 close to what edge was fixed, prevents dissipating for flue gas, the leading exterior surface setting of air intake 6 There is control panel 8, the outer surface of control panel 8 is provided with display screen 9, and the outer surface of control panel 8 is close to the side of display screen 9 Be provided with control button 10, the quantity of control button 10 is several groups, and control button 10 is arranged in array, control button 10 and The port of display screen 9 is electrically connected with control panel 8 respectively, and the input port of control panel 8 and the output port of cabinet 1 are electrical Connection, the model LLT-2013 of control panel 8；The lower end outer surface of air intake 6 is provided through air inlet 12, it is ensured that flue gas In flow ventilation room 4, the open upper end of air inlet 12 is connected with draft chamber 4, and the open at its lower end of air inlet 12 is connected to outside, The lower end outer surface of air intake 6 is provided with LED light 11 close to the front of air inlet 12, and LED light 11 provides the effect of illumination, LED The input port of lamp 11 and the output port of control panel 8 are electrically connected, the model RZD60-1 of LED light 11；In order to ensure net Flue gas after change can exclude, the rear end open of external tapping 3, while the inside of external tapping 3 is connected with the inside of exhaust air box 2, The inside of exhaust air box 2 is connected with the inside of draft chamber 4, is solid between the front end of external tapping 3 and the back end outer surface of exhaust air box 2 Fixed connection, it is ensured that external tapping 3 consolidates, smooth between the lower end and the upper end of cabinet 1 of exhaust air box 2 to be fixedly connected；Longitudinal pole The vertical upper end outer surface for being installed on transverse collecting plate 15 of plate 13, biggish developed area are conducive to largely to adsorb The edge of grain, longitudinal pole plate 13 and transverse collecting plate 15 is fixed between the interior aspect face of dielectric impedance plate 17 respectively to be connected It connects, the outer surface of longitudinal pole plate 13 is provided with the first through hole 14 of several groups array arrangement, it is ensured that the circulation of air and first logical Through the outer surface of longitudinal pole plate 13, the upper end of longitudinal pole plate 13 is not higher than the upper end of dielectric impedance plate 17, lateral pole in hole 14 The outer surface of plate 15 is arc shape, improves the contact surface with flue gas, and the outer surface of transverse collecting plate 15 is provided with several groups in battle array The second through-hole 16 of arrangement is arranged, and the second through-hole 16 is through the outer surface of transverse collecting plate 15, it is ensured that the circulation of flue gas；Plasma Body power supply unit 18 includes the EHC high frequency electric source 181 for being fixedly installed in 1 outer surface of cabinet, connection wiring 182 and ground connection wiring The output port of 183, EHC high frequency electric sources 181 is defeated with transverse collecting plate 15 and longitudinal pole plate 13 respectively by connection wiring 182 Inbound port is electrically connected, and one end of ground connection wiring 183 is connected to the outer surface of cabinet 1, and cabinet 1 is metal material, EHC high-frequency electrical The model S-960-24 in source 181；Smoke gas sensor 19 includes LED light transmitting module 191, optical index computing module 192, cigarette Dust content computing module 193 and voltage regulator module 194, signal output port and the flue dust of optical index computing module 192 contain The signal input port of amount computing module 193 is connected, and the signal output port and voltage of smoke content computing module 193 adjust The signal output port of module 194 is connected, and the fixed interior aspect face for being installed on cabinet 1 of smoke gas sensor 19, flue dust passes The model GP2Y1010AUOF of sensor 19 has the effect that smoke content is calculated according to anaclasis degree；Smoke gas sensor 19 Input port and the output port of control panel 8 be electrically connected, the signal port of EHC high frequency electric source 181 and control panel 8 Signal port is connected with the signal port of control panel 8, and the inside of exhaust air box 2 is fixed to be provided with towards 3 direction of external tapping The blower 5 of air draft, the model HF-200P of blower 5, the input port of blower 5 and the output port electricity of voltage regulator module 194 Property connection, the output port of the input port of voltage regulator module 194 and control panel 8 is electrically connected, to ensure to pass through Voltage regulator module 194 regulates and controls the revolving speed of blower 5.
When work, user opens equipment by control panel 8, and cooperation display screen 9 is operated with control button 10, wind Machine 5 rotates, so that flue gas enters from air inlet 12, in the inside for flowing into draft chamber 4, passes through the work of EHC high frequency electric source 181 With when operating voltage reaches 80kV, output electric current is when reaching 2.4A, can be real on longitudinal pole plate 13 and transverse collecting plate 15 Existing micro discharge, and power factor is greater than 0.95, no phase shortage loss, no electric network pollution can preferably improve fume eliminating electric field Performance improves the average value and peak value of output voltage, guarantees micro discharge plasma on longitudinal pole plate 13 and transverse collecting plate 15 Full load efficient operation adsorbs elaioleucite, the dust etc. in the oil smoke of process, achievees the effect that purify air, reduction pair The pollution of air carries out the transmitting of LED light by LED light transmitting module 191, passes through light by the effect of smoke gas sensor 19 Refractive index computing module 192 carries out the calculating of refractive index by the content of LED light flue dust in air, and by smoke content Computing module 193 judges smoke content, is finally adjusted by voltage regulator module 194 for fan 5 according to smoke content Voltage be changed the velocity of liquid assets of air to achieve energy-saving and emission reduction purposes, only to change the running speed of blower 5 Flue gas after change is discharged from external tapping 3.
In conclusion ionize flue gas using high voltage electric field, the dust charged in air-flow under electric field action with gas Flow separation, to achieve the purpose that purification range hood exhaust gas, by the effect of EHC high frequency electric source 181, when operating voltage reaches 80kV, output electric current is when reaching 2.4A, can be realized micro discharge on longitudinal pole plate 13 and transverse collecting plate 15, and power because Number is greater than 0.95, and no phase shortage loss, no electric network pollution can preferably improve the performance of fume eliminating electric field, improve output voltage Average value and peak value, guarantee micro discharge plasma in longitudinal pole plate 13 and full load efficient operation on transverse collecting plate 15, it is right Elaioleucite, dust in the oil smoke of process etc. are adsorbed, and are achieved the effect that purify air, are reduced the pollution to air；Pass through cigarette The effect of dust sensor 19 carries out the transmitting of LED light by LED light transmitting module 191, passes through optical index computing module 192 The calculating of refractive index is carried out by the content of LED light flue dust in air, and by smoke content computing module 193 by flue dust Content is judged, finally the voltage for fan 5 is adjusted by voltage regulator module 194 according to smoke content, to change blower 5 Running speed, be changed the velocity of liquid assets of air to achieve energy-saving and emission reduction purposes.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (8)

1. a kind of kitchen ventilator micro discharge plasma removes waste gas system, including cabinet (1), exhaust air box (2), external tapping (3) with Air intake (6), it is characterised in that: be provided through draft chamber (4) on the inside of the cabinet (1), the cabinet (1) is outside inside The fixed dielectric impedance plate (17) for being equipped with equal height in the two sides on surface, the interior aspect face of the dielectric impedance plate (17) It is provided with along the vertical direction longitudinal pole plate (13), the interior aspect face of the dielectric impedance plate (17) is close to longitudinal pole plate (13) It is fixedly installed at lower end transverse collecting plate (15), what the outer surface of the cabinet (1) was fixed is provided with plasma power supply unit (18), the interior aspect face of the cabinet (1) is provided with smoke gas sensor (19) at lower end.
2. a kind of kitchen ventilator micro discharge plasma according to claim 1 removes waste gas system, it is characterised in that: described The lower end of cabinet (1) is fixed to be provided with air intake (6), what the upper end outer surface of the air intake (6) was fixed close to edge It is provided with arc-shaped shield (7), the leading exterior surface of the air intake (6) is provided with control panel (8), the control panel (8) outer surface is provided with display screen (9), and the outer surface of the control panel (8) is provided with control close to the side of display screen (9) The quantity of button (10) processed, the control button (10) is several groups, and the control button (10) is arranged in array, the control The port of button (10) and display screen (9) is electrically connected with control panel (8) respectively, the input terminal of the control panel (8) The output port of mouth and cabinet (1) is electrically connected.
3. a kind of kitchen ventilator micro discharge plasma according to claim 2 removes waste gas system, it is characterised in that: described The lower end outer surface of air intake (6) is provided through air inlet (12), the open upper end of the air inlet (12) and draft chamber (4) It is connected, the open at its lower end of the air inlet (12) is connected to outside, and the lower end outer surface of the air intake (6) is close to air inlet (12) it is provided in front of LED light (11), the input port of the LED light (11) and the output port of control panel (8) are electrical Connection.
4. a kind of kitchen ventilator micro discharge plasma according to claim 1 removes waste gas system, it is characterised in that: described The rear end open of external tapping (3) is connected on the inside of the inside and exhaust air box (2) of the external tapping (3), the exhaust air box (2) Inside and draft chamber (4) on the inside of be connected, between the front end of the external tapping (3) and the back end outer surface of exhaust air box (2) It is smooth between the lower end and the upper end of cabinet (1) of the exhaust air box (2) to be fixedly connected to be fixedly connected.
5. a kind of kitchen ventilator micro discharge plasma according to claim 1 removes waste gas system, it is characterised in that: described The vertical upper end outer surface for being installed on transverse collecting plate (15) of longitudinal pole plate (13), the longitudinal direction pole plate (13) and transverse collecting plate (15) edge is fixedly connected between the interior aspect face of dielectric impedance plate (17) respectively, outside the longitudinal direction pole plate (13) Surface is provided with the first through hole (14) of several groups array arrangement, and first through hole (14) is through the appearance of longitudinal pole plate (13) The upper end in face, the longitudinal direction pole plate (13) is not higher than the upper end of dielectric impedance plate (17), the outer surface of the transverse collecting plate (15) For arc shape, the outer surface of the transverse collecting plate (15) is provided with the second through-hole (16) that several groups are arranged in array, and Outer surface of two through-holes (16) through transverse collecting plate (15).
6. a kind of kitchen ventilator micro discharge plasma according to claim 1 removes waste gas system, it is characterised in that: described Plasma power supply unit (18) includes the EHC high frequency electric source (181) for being fixedly installed in cabinet (1) outer surface, connection wiring (182) with ground connection wiring (183), the output port of the EHC high frequency electric source (181) by connection wiring (182) respectively with cross It is electrically connected to the input port of pole plate (15) and longitudinal pole plate (13), one end of ground connection wiring (183) is connected to machine The outer surface of case (1), the cabinet (1) are metal material.
7. a kind of kitchen ventilator micro discharge plasma according to claim 1 removes waste gas system, it is characterised in that: described Smoke gas sensor (19) includes LED light transmitting module (191), optical index computing module (192), smoke content computing module (193) with voltage regulator module (194), the signal output port of the optical index computing module (192) and smoke content meter The signal input port for calculating module (193) is connected, the signal output port and voltage of the smoke content computing module (193) The signal output port of adjustment module (194) is connected, the fixed inside for being installed on cabinet (1) of the smoke gas sensor (19) Outer surface.
8. a kind of kitchen ventilator micro discharge plasma removal waste gas system described in -7 any one according to claim 1, special Sign is: the input port of the smoke gas sensor (19) and the output port of control panel (8) are electrically connected, the EHC high The signal port of frequency power (181) is connected with the signal port of control panel (8), what the inside of the exhaust air box (2) was fixed It is provided with the blower (5) towards external tapping (3) direction air draft, input port and voltage regulator module (194) of the blower (5) Output port be electrically connected, the output port of the input port of the voltage regulator module (194) and control panel (8) is electrical Connection.
CN201910406567.1A 2019-05-15 2019-05-15 Exhaust gas system is got rid of to lampblack absorber plasma that discharges a little Active CN110017522B (en)

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