Needle point type plasma purification device

Abstract

The utility model provides a needle point type plasma purification device. Fixing strips are arranged at the upstream end of a square shell, ionization needles are arranged on the fixing strips, ionization sheets are arranged on the square shell, the ionization sheets are provided with ionization frames in one-to-one correspondence with the ionization needles, electrode dust collection plates stretch across the square shell and are arranged at the downstream ends of the fixing strips, and a bottom cover is arranged at the downstream end of the square shell. The ionization needle tip and the ionization sheet for discharging of the device adopt a total cross-section design, so that the ion quantity is effectively improved, the high ozone concentration is overcome, and the safety of the needle tip is protectively designed to prevent hands from being pricked; the ionization sheets are subjected to anti-corrosion and anti-rust process treatment and are durable, and the electrode dust collection plates are subjected to miniaturization treatment, so that the plasma purification effect is improved, meanwhile, the product can be matched with most household air purification equipment in size, and the product can fit the actual household environment; safety is improved through insulation treatment of the electrode dust collection plates, short-circuit ignition is avoided when metal wires fall off, and moisture and water are prevented without ignition; the PET film layer is arranged on the surface of the electrode dust collection plate, so that the wear resistance is enhanced, and dust can be cleaned by a scraping brush after being deposited.

Description

TECHNICAL FIELD

[0001] The utility model belongs to plasma purification technical field, especially relate to a needle point type plasma purification device. BACKGROUND

[0002] Electrostatic dust removal is a kind of gas dust removal method. Its working principle is to generate high-voltage direct current field by using the principle of ionization electrode corona discharge, cause air molecules to ionize, generate a large number of electrons and ions, make dust particles in the surrounding dirty gas carry electric charge. The dust-containing gas with electric charge then passes through the electrode dust collection assembly and is adsorbed by the electrode dust collection plate with opposite charge, achieving electrode dust collection effect, so that the polluted air is purified. At the same time, high-voltage capture of bacterial particles can instantly conductive breakdown of the cell wall composed of protein, so that the method also plays a role in sterilization and disinfection. Plasma air purifier is an environmental optimization equipment that uses plasma technology to purify, deodorize and sterilize air. Its core principle is to generate high-energy electrons under the action of an external electric field. When these high-energy electrons collide with air pollutants, a series of physical and chemical reactions will be induced, converting large molecular pollutants into small molecular safe substances, thereby achieving the effect of purifying air.

[0003] The existing plasma filter core has high ozone concentration when working, and the purification level cannot achieve high efficiency, the safety and durability are general, which leads to the problem that it cannot be widely applied in space purification and disinfection of intelligent buildings and public places, and it is not suitable for household dust removal and sterilization. UTILITY MODEL CONTENT

[0004] The utility model provides a needle point type plasma purification device, which can effectively solve the above problems.

[0005] The utility model is implemented as follows:

[0006] A needle point type plasma purification device, comprising a body, an ionization needle, a plasma ionization sheet, an electrode dust collection plate and a bottom cover, the body is a square shell, a plurality of fixed bars are arranged on the upstream port of the square shell, the ionization needles are arranged on the fixed bars at intervals, the plasma ionization sheet is fixedly installed on the square shell on the upstream side of the fixed bar, the plasma ionization sheet is provided with an ionization frame corresponding to the ionization needle, the electrode dust collection plate is installed on the downstream side of the fixed bar across the square shell, the positive and negative electrode dust collection plates of the electrode dust collection plate are evenly and alternately distributed, and the bottom cover is arranged on the downstream port of the square shell.

[0007] As a further improvement, the ionization frame is circular, square or other regular polygon, the diameter of the inscribed circle of the circular or square and other regular polygon of the ionization frame is 28-33 mm; the ionization needle is arranged at the center of the ionization frame, the distance between the tip of the ionization needle and the plane of the ionization frame is 0-2 mm, and the distance between the fixed strip and the plasma ionization sheet is 6.5-9 mm.

[0008] As a further improvement, the front end of the ionization needle is provided with a sheath, and the sheath is fixed with the fixed strip; the sheath is a protective ring, and the ionization needle is lower than the sheath by 0.5-1.8 mm; or the sheath is provided with a ring seat and a protective block, and the protective blocks are uniformly arranged on the upstream side of the ring seat. The inner diameter of the sheath is not less than 4 mm, and the difference between the inner and outer diameters of the sheath is not less than 2 mm.

[0009] As a further improvement, the downstream side of the fixed strip is provided with a power supply sheet, and the ionization needle penetrates the fixed strip and is electrically connected with the power supply sheet.

[0010] As a further improvement, the surface of the electrode dust collecting plate is provided with a PET film layer.

[0011] As a further improvement, opposite sides of the square shell are provided with insertion grooves, and the two ends of the electrode dust collecting plate are arranged in the insertion grooves, and the distance between the insertion grooves is 2.8-3.5 mm; the thickness of the electrode dust collecting plate is 0.5-1 mm.

[0012] As a further improvement, one end of the electrode dust collecting plate is bent to form a power supply plate, and the bending length of the power supply plate is greater than the distance between the adjacent two electrode dust collecting plates with the same electrode.

[0013] As a further improvement, the insertion grooves are provided with first clamping grooves, second clamping grooves and wiring clamping grooves, the first clamping grooves and the second clamping grooves are oppositely arranged on the two sides of the square shell, and the first clamping grooves and the second clamping grooves on each side are alternately distributed, the wiring clamping grooves are arranged at the outer side ends of the first clamping grooves and the second clamping grooves, and the first clamping grooves are in communication with the wiring clamping grooves; the two ends of the electrode dust collecting plate are arranged in the first clamping grooves and the second clamping grooves, and the power supply plate is arranged in the wiring clamping grooves.

[0014] As a further improvement, the fixed strip is provided with a reinforcing strip perpendicular thereto, and a support pad is arranged between the reinforcing strip or the fixed strip and the plasma ionization sheet.

[0015] As a further improvement, one side end of the fuselage is provided with a power supply cavity.

[0016] The utility model discloses a beneficial effect is: the ionization needle tip and plasma ionization piece of the device discharge adopt the structure design of full section, effectively improve the ion amount and overcome the high ozone concentration, and the safety of needle tip is protected, and the hand is prevented to be pricked, the plasma ionization piece is prevented to rust and is treated with anticorrosive technology, durable, electrode dust collection plate miniaturization treatment, improve the plasma purification effect can be matched with most household air purification equipment in size, so that the product can be attached to the actual environment of household, the insulation treatment of electrode dust collection plate increases the security, and the metal wire does not short circuit and spark, and the moistureproof waterproof does not spark, electrode dust collection plate adopts PET film to be wrapped, and the wear resistance is improved, and after the dust deposition, can adopt the cleaning of scraping. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment, it should be understood that the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.

[0018] Figure 1 It is the structure schematic diagram provided by the utility model a needle tip type plasma purification device embodiment;

[0019] Figure 2 It is Figure 1 the enlarged schematic diagram of A in;

[0020] Figure 3 It is the back surface schematic diagram provided by the utility model a needle tip type plasma purification device embodiment;

[0021] Figure 4 It is Figure 3 the enlarged schematic diagram of B in;

[0022] Figure 5 It is the electrode dust collection plate schematic diagram provided by the utility model a needle tip type plasma purification device embodiment;

[0023] Reference signs:

[0024] Machine body 1;Square shell 11;Fixed strip 12;Power supply sheet 13;Insert slot 14;First clamping groove 141;Second clamping groove 142;Wiring clamping groove 143;Reinforcing strip 15;Support pad 16;Card seat 17;Power supply cavity 18;Ionization needle 2;Sheath 21;Ring seat 211;Protective block 212;Plasma ionization piece 3;Ionization frame 31;Electrode dust collection plate 4;Circuit conduction sheet 41;Bottom cover 5. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only to represent selected embodiments of the present application.

[0026] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0027] In the description of the present application, the terms "upper", "middle", "side", "side", "upper side", "end" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0028] Referring to Figures 1-5 As shown in FIG. 1, a needle tip type plasma purification device includes a body 1, an ionization needle 2, a plasma ionization sheet 3, an electrode dust collection plate 4 and a bottom cover 5. The body 1 is a square shell 11, a plurality of fixed bars 12 are arranged on the upstream port of the square shell 11, the ionization needle 2 is arranged on the fixed bar 12 at intervals, the plasma ionization sheet 3 is fixedly installed on the square shell 11 on the upstream side of the fixed bar 12, the plasma ionization sheet 3 is provided with an ionization frame 31 corresponding to the ionization needle 2, the electrode dust collection plate 4 is installed on the downstream side of the fixed bar 12 across the square shell 11, the positive and negative electrode dust collection plates of the electrode dust collection plate 4 are evenly and alternately distributed, and the bottom cover 5 is arranged on the downstream port of the square shell 11.

[0029] The ionization needle 2 and the plasma ionization sheet 3 form an ionization space, ionize the air to be purified, and make the dust charged; and then enter the electrode dust collection plate 4 arranged in positive and negative, and collect the charged dust.

[0030] Further, the ionization frame 31 is circular, square or other regular polygon, the diameter of the circle or the inscribed circle of the square or other regular polygon of the ionization frame 31 is 28-33 mm; the ionization needle 2 is arranged at the center of the ionization frame 31, the distance between the tip of the ionization needle 2 and the plane of the ionization frame 31 is 0-2 mm, and the distance between the downstream side of the fixed strip 12 and the electrode dust collecting plate 4 is 6.5-9 mm.

[0031] The diameter of the circle or the inscribed circle of the ionization frame 31 is 28-33 mm, which can make the ionization needle 2 form a better ion emission concentration, which can be set to 31 mm.

[0032] The other regular polygon can be an equilateral triangle, a regular hexagon, a regular octagon, etc.

[0033] The tip horizontal plane is 0-2 mm lower than the plasma ionization sheet 3, which can form a higher ion quantity and a lower concentration of ozone, which can be set to 1 mm; the distance between the downstream side of the fixed strip 12 and the electrode dust collecting plate 4 is 6.5-9 mm, which is too short to cause a spark, and too long to affect the effect and change the overall thickness, which can maintain an 8 mm distance between the needle bottom and the electrode sheet.

[0034] Further, the front end of the ionization needle 2 is provided with a sheath 21, and the sheath 21 is fixed with the fixed strip 12; the sheath 21 is a protection ring, and the ionization needle 2 is 0.5-1.8 mm lower than the sheath 21; or the sheath 21 is provided with a ring seat 211 and a protection block 212, and the protection block 212 is uniformly arranged on the upstream side of the ring seat 211. The inner diameter of the sheath 21 is not less than 4 mm, and the difference between the inner diameter and the outer diameter of the sheath 21 is not less than 2 mm. The number of protection blocks 212 can be 2-5 or more, preferably 3-4.

[0035] The inner diameter of the sheath 21 is too small to affect the electric field strength. The ionization needle 2 can be arranged 1 mm lower than the sheath 21 to avoid sparking while ensuring ion release; the sheath 21 is arranged in the structure of the ring seat 211 and the protection block 212, which can increase the ion release quantity and improve the ionization quality.

[0036] Further, the downstream side of the fixed strip 12 is provided with a power sheet 13, and the ionization needle 2 penetrates the fixed strip 12 and is electrically connected with the power sheet 13. In this way, the ionization needle 2 has good fixing effect.

[0037] Further, the surface of the electrode dust collecting plate 4 is provided with a PET film layer (not shown), and the wear resistance is enhanced.

[0038] The electrode dust collecting plate 4 is compounded with a PET film, the PET film is attached to the electrode dust collecting plate, or a PET film layer is directly plated on the electrode dust collecting plate, or other ways are arranged on the electrode dust collecting plate 4.

[0039] Further, the opposite sides of the square shell 11 are provided with slots 14, and the electrode dust collecting plates 4 are arranged in the slots 14, and the distance between the slots 14 is 2.8-3.5 mm; the thickness of the electrode dust collecting plates 4 is 0.5-1 mm. The electrode dust collecting plates 4 have good fixing effect, high strength and good electrode dust collecting effect.

[0040] Further, one end of the electrode dust collecting plate 4 is bent to form a circuit conducting piece 41, and the bending length of the circuit conducting piece 41 is greater than the distance between the adjacent two electrode dust collecting plates with the same electrode.

[0041] The bent circuit conducting piece 41 can realize mutual superposition of power supply, and is convenient for connecting with the power supply.

[0042] Further, the slots 14 are provided with first clamping grooves 141, second clamping grooves 142 and wiring clamping grooves 143, the first clamping grooves 141 and the second clamping grooves 142 are oppositely arranged on the two sides of the square shell 11, and the first clamping grooves 141 and the second clamping grooves 142 on each side are alternately arranged, the wiring clamping grooves 143 are arranged at the outer side ends of the first clamping grooves 141 and the second clamping grooves 142, and the first clamping grooves 141 are communicated with the wiring clamping grooves 143; the two ends of the electrode dust collecting plate 4 are arranged in the first clamping grooves 141 and the second clamping grooves 142, and the circuit conducting piece 41 is arranged in the wiring clamping groove 143.

[0043] The first clamping grooves 141 are alternately arranged, so that the circuit conducting pieces 41 of the positive electrode and the negative electrode of the electrode dust collecting plate 4 are respectively arranged on the two sides of the square shell 11, and the positive electrode and the negative electrode are separated by the first clamping grooves 141 and the second clamping grooves 142 on the same side, so as to realize interval power supply of the positive electrode and the negative electrode of the electrode dust collecting plate 4.

[0044] Further, the fixing strip 12 is provided with a reinforcing strip 15 perpendicular to the fixing strip 12, and the reinforcing strip 15 or the fixing strip 12 is provided with a supporting pad 16 or a clamping seat 17 between the plasma ionization piece 3 and the ionization needle 2. The distance between the plasma ionization piece 3 and the ionization needle 2 is guaranteed; the clamping seat 17 is used for fixing and supporting the plasma ionization piece 3.

[0045] Further, one side end of the machine body 1 is provided with a power supply cavity 18. The power supply cavity 18 is used for placing the power supply or other parts.

[0046] In order to clearly understand the technical scheme of the utility model, an embodiment is provided:

[0047] A needle tip type plasma purification device, the whole adopts array full cross section layout, the needle tip discharge part is negative, the same array plasma ionization sheet 3 forms plasma electric field, 7 rows of fixed strips 12 are arranged on the structure, the direction is parallel to the electrode dust collecting plate 4, the plasma ionization sheet 3 is anodized on the process, and is wear-resistant and corrosion-resistant;The rear side of the fixed strip 12 is provided with a negative power sheet 13, 7 negative ionization needles 2 are arranged in each row, the needle tip length is 6mm, an insulating anti-puncture sheath 21 is arranged on the periphery, the sheath 21 has an outer diameter of 6mm and an inner diameter of 4mm, the sheath 21 protects the fingers of the installer from being pricked, and simultaneously does not affect the plasma discharge effect of the needle tip and the rectangular plasma ionization sheet 3.The plane spacing between the needle tip and the plasma ionization sheet 3 is 1mm, the needle tip is located in the center of the rectangular frame, the ionization frame 31 is a rectangular frame, and the side length is 31mm, so that the single needle tip ion release amount reaches the level of ten million, and the overall reaches the level of billion.

[0048] When the electrode dust collecting plate is assembled, the straight line one end of the electrode dust collecting plate is clamped into the second clamping groove 142 for fixation, the bent one end straight line part is clamped into the first clamping groove 141 for fixation, and the bent part is clamped into the wiring clamping groove 143, the wiring clamping groove 143 is communicated with the power supply groove, after assembly, the bent heads of the electrode dust collecting plate are superimposed and finally connected with the power supply to provide voltage.

[0049] The electrode dust collecting plate is long strip-shaped, and the two clamping grooves are protruded to the bottom cover 5 side, and the overall is "T" type or protruded to the upstream side and is "cross" type, and the positive and negative electrodes are alternately assembled.

[0050] The above only describes preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A needlepoint plasma cleaning apparatus, characterized by, The body, ionization needle, plasma ionization sheet, electrode dust collection plate and bottom cover, the body is a square shell, a plurality of fixed bars are arranged on the upstream port of the square shell, the ionization needle is arranged on the fixed bar, the plasma ionization sheet is fixedly installed on the upstream side of the fixed bar, the plasma ionization sheet is provided with an ionization frame corresponding to the ionization needle, the electrode dust collection plate is installed on the downstream side of the fixed bar across the square shell, the positive and negative electrode dust collection plates are uniformly distributed, and the bottom cover is arranged on the downstream port of the square shell.

2. A needlepoint plasma cleaning apparatus as claimed in claim 1, wherein The ionization frame is circular, square or other regular polygon, the diameter of the inscribed circle of the circular or square or other regular polygon is 28-33 mm; the ionization needle is arranged at the center of the ionization frame, the distance between the tip of the ionization needle and the plane of the ionization frame is 0-2 mm, and the distance between the fixed bar and the plasma ionization sheet is 6.5-9 mm.

3. A needlepoint plasma cleaning device according to claim 1, wherein The front end of the ionization needle is provided with a sheath, the sheath is fixed with the fixed bar, and the ionization needle is lower than the sheath by 0.5-1.8 mm; the sheath is a protection ring; or the sheath is provided with a ring seat and a protection block, the protection blocks are uniformly arranged on the upstream side of the ring seat; the inner diameter of the sheath is not less than 4 mm, and the difference between the inner diameter and the outer diameter of the sheath is not less than 2 mm.

4. A needlepoint plasma cleaning apparatus as defined in claim 1, wherein The downstream side of the fixed bar is provided with a power sheet, and the ionization needle penetrates the fixed bar and is electrically connected with the power sheet.

5. A needlepoint plasma cleaning device according to claim 1, wherein The surface of the electrode dust collection plate is provided with a PET film layer.

6. A needlepoint plasma cleaning device according to claim 1, wherein Opposite sides of the square shell are provided with insertion grooves, the electrode dust collection plates are arranged in the insertion grooves, and the distance between the insertion grooves is 2.8-3.5 mm; the thickness of the electrode dust collection plate is 0.5-1 mm.

7. A needlepoint plasma cleaning device according to claim 1 or 6, wherein One end of the electrode dust collection plate is bent to form a power plate, and the bending length of the power plate is greater than the distance between the adjacent two electrode dust collection plates with the same electrode.

8. A needlepoint plasma cleaning apparatus as defined in claim 6, wherein, The insertion groove is provided with a first clamping groove, a second clamping groove and a wiring clamping groove, the first clamping groove and the second clamping groove are oppositely arranged on the two sides of the square shell, and the first clamping groove and the second clamping groove are alternately arranged on each side, the wiring clamping groove is arranged at the outer side end of the first clamping groove and the second clamping groove, and the first clamping groove is in communication with the wiring clamping groove; the two ends of the electrode dust collection plate are arranged in the first clamping groove and the second clamping groove, and the power plate is arranged in the wiring clamping groove.

9. A needlepoint plasma cleaning apparatus as claimed in claim 1 or 4, wherein The fixed bar is provided with a reinforcing bar perpendicular to the fixed bar, and a support pad is arranged between the reinforcing bar or the fixed bar and the plasma ionization sheet.

10. A needlepoint plasma cleaning apparatus as defined in claim 1, wherein One side end of the body is provided with a power cavity.

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