CN114877478A - High-energy particle electrode device for purifying air - Google Patents
High-energy particle electrode device for purifying air Download PDFInfo
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- CN114877478A CN114877478A CN202210481938.4A CN202210481938A CN114877478A CN 114877478 A CN114877478 A CN 114877478A CN 202210481938 A CN202210481938 A CN 202210481938A CN 114877478 A CN114877478 A CN 114877478A
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- 239000002245 particle Substances 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000000746 purification Methods 0.000 claims abstract description 10
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 7
- 230000000670 limiting effect Effects 0.000 claims description 66
- 230000001681 protective effect Effects 0.000 claims description 35
- 239000011810 insulating material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 22
- 230000005684 electric field Effects 0.000 abstract description 16
- 230000036961 partial effect Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 5
- 238000004887 air purification Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000452 restraining effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
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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
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/49—Collecting-electrodes tubular
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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
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/86—Electrode-carrying means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
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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
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/06—Ionising electrode being a needle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses a high-energy particle disinfection and purification electrode device, which comprises a plate electrode, a circular tube electrode and an electrode needle device, wherein the circular tube electrode and the electrode needle device are arranged on the plate electrode, and a plurality of circular vent holes and positioning holes are formed in the plate electrode. The circular tube electrode comprises a first hollow tube body and a second hollow tube body, and the first hollow tube body and the second hollow tube body are connected in parallel; and positioning columns which are coaxially matched with the positioning holes are respectively arranged on the outer walls of the first hollow tube body and the second hollow tube body and are used for fixing the circular tube electrode on the electrode plate. The electrode needle device comprises an insulating support, an electrode connecting plate and a plurality of discharge electrodes. The joint between the electrode plate of the high-energy particle disinfection and purification electrode device and the circular tube electrode avoids partial discharge caused by welding spots, and the installation stability of the discharge needle is enhanced through the structural matching of the electrode needle device and the like, so that the uniformity of an electric field is ensured.
Description
Technical Field
The invention relates to the technical field of air purification equipment, in particular to a high-energy particle electrode device for purifying air.
Background
At present, there are many air purification devices using high-voltage electrostatic principle on the market, and when air passes through a high-voltage electrostatic field, bacteria or micro particles in the air can be adsorbed and ionized to generate high-energy particles, so as to achieve the purpose of air purification. For example, CN206064632U discloses an air cleaner and a discharge needle thereof, which mainly uses an electric field formed by an electrode formed by a nest and a discharge needle after being energized to achieve the purpose of air cleaning, as can be seen from the drawings of this patent document, the nest is a plurality of separate circular tubes, paragraph [0030] of the specification describes that "the nest 4 is mounted on the mounting plate 5 corresponding to the through hole 51", although it is not specifically described how the nest is mounted on the mounting plate, in practice, the nest is fixed on the mounting plate by electric welding, usually three-point electric welding is performed along the circumference at the place where the bottom of the nest contacts with the bottom of the mounting plate to achieve the fixing. Problems that arise with the foregoing structure are: (1) the electric nest is fixed in a welding mode and is limited by the characteristics of welding, welding spots at the welding position are not smooth and uneven, tips except for discharge needles can be generated, and partial discharge is generated, so that the uniformity and the purification effect of an electric field are influenced; (2) the metal at the joint of the cable nest and the mounting plate can be locally melted by high temperature during welding to generate a plurality of gaps with irregular shapes, even if the welding spot is polished, the gaps cannot be eliminated no matter how the welding spot is polished, and the existence of the gaps still can generate sharp points to influence an electric field; (3) the number of the electric nests of the purifying equipment is at least dozens of hundreds of electric nests which are arranged on the mounting plate, each electric nest needs to be subjected to at least three times of spot welding and polished after the spot welding, so that the production and mounting efficiency of products is very low, the labor cost is indirectly increased, and the delivery cost of the products is also increased.
In addition, the rod-shaped discharge needles in the prior art are mostly inserted into a long-strip injection molding part with a U-shaped cross section, and then insulation glue is injected to fix the injection molding part, and then the injection molding part is fixed on the mounting plate in a glue applying manner. The structure has the problems that the structure is easy to deform and lose shape when being subjected to external force, only one end of the structure is restrained by the support, so that the product is subjected to the external force, for example, in the transportation process, the coaxiality is influenced due to the fact that jolt discharge needles are easy to move, the condition that an electric field is not uniform can be caused, and particularly, the problem that the verticality or the coaxiality is not enough is easy to occur for longer and thin rod-shaped discharge needles, so that the uniformity of the electric field is influenced.
Disclosure of Invention
In view of the above, the present invention is directed to an energetic particle electrode device for purifying air.
In order to achieve the purpose, the invention provides the following technical scheme: the invention relates to a high-energy particle disinfection and purification electrode device, which comprises a plate electrode, a circular tube electrode and an electrode needle device, wherein the circular tube electrode and the electrode needle device are arranged on the plate electrode, and a plurality of circular vent holes and positioning holes are formed in the plate electrode.
The circular tube electrode comprises a first hollow tube body and a second hollow tube body, and the first hollow tube body and the second hollow tube body are connected in parallel; the circular tube electrode is arranged on one side of the electrode plate, and the first hollow tube body and the second hollow tube body are respectively and coaxially arranged with the two adjacent vent holes; and positioning columns which are coaxially matched with the positioning holes are respectively arranged on the outer walls of the first hollow tube body and the second hollow tube body and are used for fixing the circular tube electrode on the electrode plate.
The electrode needle device comprises an insulating bracket, an electrode connecting plate and a plurality of discharge electrodes; the insulating support is arranged on the other side of the electrode plate relative to the circular tube electrode, an installation groove with an opening facing the electrode plate is formed in the insulating support, and the electrode connecting plate is installed in the installation groove; the whole discharge electrode is of a rod-shaped structure, one end of the discharge electrode is vertically connected with the electrode connecting plate, and the other end of the discharge electrode penetrates through the insulating support and then is arranged in the first hollow tube body or the second hollow tube body and is coaxial with the first hollow tube body or the second hollow tube body.
Furthermore, the overall appearance of the first hollow pipe body and the second hollow pipe body is in a circular pipe shape; the axes of the first hollow pipe body and the second hollow pipe body are parallel to each other, and the upper end surface and the lower end surface of the first hollow pipe are respectively flush with the upper end surface and the lower end surface of the second hollow pipe.
Furthermore, a connecting plate is arranged outside the pipe walls of the first hollow pipe body and the second hollow pipe body, and the first hollow pipe body and the second hollow pipe body are connected through the connecting plate; the positioning column is arranged close to the connecting plate, and the positioning column positioned on the first hollow pipe body and the positioning column positioned on the second hollow pipe body are oppositely and respectively arranged on one side of the connecting plate; the axis of the positioning column is parallel to the axes of the first hollow pipe body and the second hollow pipe body, and a screw hole is formed in the middle of the positioning column along the axis; the overall cross section of the positioning column is in an arc shape, the inner side of the positioning column is connected with the outer wall of the first hollow pipe body or the outer wall of the second hollow pipe body, and the outer side of the positioning column is provided with an opening penetrating through the screw hole.
Furthermore, the insulating support is of a strip-shaped structure, and the outer contour of the section of the insulating support is of a T-shaped structure which is wide at the top and narrow at the bottom; the mounting groove comprises an upper chute and a lower positioning groove, the electrode connecting plate is of a long-strip square structure, the electrode connecting plate is mounted in the upper chute and is in limited close fit with the inner wall of the upper chute, and a abdicating groove is arranged above the upper chute; a plurality of connecting holes which are communicated along the vertical direction are arranged on the electrode connecting plate at intervals, the upper end of the discharge electrode is fixedly arranged on the electrode connecting plate through the connecting holes, and the upper section part of the discharge electrode is tightly matched with the inner wall of the lower positioning groove.
Furthermore, the surface of the upper section of the discharge electrode close to the insulating support is a smooth surface, and a discharge tip is arranged on the surface of the part of the discharge electrode accommodated in the middle of the ionization tube; the discharge tip is of an annular thread or a thread structure.
Furthermore, a protective sleeve made of insulating materials is arranged at the joint of the circular tube electrode and the electrode plate and used for covering the joint of the circular tube electrode and the electrode plate so as to isolate the joint of the circular tube electrode and the electrode plate from the discharge electrode; the protective sleeve comprises at least two connected circular-tube-shaped protective sleeve bodies, and the top of each protective sleeve body is provided with a limiting convex ring which is vertically turned outwards to form limiting fit with the outer edge of the positioning hole; the shield body is matched with the inner wall of the circular tube electrode, and the outer diameter of the shield body is matched with the inner diameter of the circular tube electrode; the axes between the shield bodies are parallel to each other, the top surfaces of adjacent shield bodies are flush, and the wheelbase between adjacent shield bodies is the same as the wheelbase between adjacent vent holes.
Furthermore, a support piece for supporting the insulating support is arranged above the joint between the shield bodies, the support piece comprises a pair of limiting blocks which are arranged in parallel, and are convex upwards, circular-arc limiting protrusions are correspondingly arranged on the opposite surfaces of the limiting blocks, limiting grooves for placing the insulating support are formed between the limiting blocks, the limiting grooves extend along the direction of the axis connecting line of the adjacent shield bodies, limiting holes are symmetrically formed in the two sides of the connection between the shield bodies, which are positioned on the support piece, and are coaxially arranged corresponding to the positioning holes in the electrode plate, so that when the protective sleeve is installed, after screws are inserted into the limiting holes, the tips of the screws sequentially pass through the limiting holes, are in threaded fit with the screw holes in the positioning columns after the positioning holes, the protective sleeve is fixedly installed on the electrode plate in a symmetrical locking mode, and the circular tube electrode is installed in a locking mode.
Furthermore, a discharge needle auxiliary positioning structure is arranged at one end, away from the electrode plate, of the circular tube electrode, and comprises a first mounting sleeve and a second mounting sleeve which are integrally annular, the tops of the first mounting sleeve and the second mounting sleeve are connected, and the first mounting sleeve and the second mounting sleeve are respectively mounted at one ends, away from the electrode plate, of the first hollow tube body and the second hollow tube body and are coaxially arranged with the first hollow tube body and the second hollow tube body respectively; a first positioning rod is arranged in the first mounting sleeve and close to the top, and the first positioning rod vertically penetrates through the center line of the first mounting sleeve; a second positioning rod is arranged in the second mounting sleeve and close to the top, and vertically penetrates through the center line of the second mounting sleeve; a first limiting pipe is arranged in the middle of the first positioning rod and is coaxially arranged with the first mounting sleeve, a second limiting pipe is arranged in the middle of the second positioning rod and is coaxially arranged with the second mounting sleeve; the end parts of the discharge electrodes accommodated in the first hollow tube body and the second hollow tube body are respectively limited in the first limiting tube and the second limiting tube.
Furthermore, the top of the first mounting sleeve is outwards and vertically bent to form a stepped first limiting ring which is in limiting fit with the end part of the first hollow pipe body; the top of the first mounting sleeve is outwards and vertically bent to form a second limiting ring which is in a step shape and is in limiting fit with the end part of the second hollow pipe body; and a mounting hole is arranged on the connecting block.
The invention has the beneficial effects that: the joint between the electrode plate of the high-energy particle disinfection and purification electrode device and the circular tube electrode avoids partial discharge caused by welding spots, and the installation stability of the discharge needle is enhanced through the structural matching of the electrode needle device and the like, so that the uniformity of an electric field is ensured.
Drawings
In order to make the object, technical solution and advantages of the present invention more clear, the present invention provides the following drawings for illustration.
FIG. 1 is a partial perspective view of an electrode assembly for sterilizing and purifying high-energy particles according to the present invention.
Fig. 2 is a perspective view from the opposite perspective of fig. 1.
Fig. 3 is a perspective view of a circular tube electrode.
Fig. 4 is a perspective view of fig. 3 from another perspective.
Fig. 5 is a schematic structural view of the electrode needle device.
Fig. 6 is an exploded perspective view of fig. 5.
Fig. 7 is a schematic end view of fig. 5.
Fig. 8 and 9 are schematic cross-sectional structures of the first hollow pipe body and the second hollow pipe body in other embodiments.
Fig. 10 is a perspective view of the protective cover in the first embodiment.
Fig. 11 is a perspective view of a protective sheath according to a second embodiment.
Fig. 12 is a perspective view of the discharge needle auxiliary positioning structure.
Fig. 13 is a using state diagram of the discharge needle auxiliary positioning structure.
In the drawing, 1 is an electrode plate, 3 is a circular tube electrode, 5 is an electrode needle device, 30 is a first hollow tube, 31 is a second hollow tube, 33 is a positioning column, 51 is an insulating support, 52 is an electrode connecting plate, 53 is a discharge electrode, 34 is a connecting plate, 35 is a screw hole, 36 is an opening, 510 is a mounting groove, 511 is an upper chute, 512 is a lower positioning groove, 530 is an upper section, 531 is a discharge tip, 7 is a protective sleeve, 70 is a shield body, 71 is a limiting convex ring, 72 is a support, 73 is a limiting block, 74 is a buckle, 75 is a limiting hole, 9 is a discharge needle auxiliary positioning structure, 90 is a first mounting sleeve, 91 is a second mounting sleeve, 901 is a first positioning rod, 911 is a second positioning rod, 902 is a first limiting tube, 912 is a second limiting tube, 903 is a first limiting ring, 913 is a second limiting ring, 92 is a connecting block, and 93 is a mounting hole.
Detailed Description
The present invention is further described below in conjunction with the drawings and the embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1 and fig. 2, the high-energy particle disinfection and purification electrode device of the present invention includes an electrode plate 1, a circular tube electrode 3 and an electrode needle device 5, which are disposed on the electrode plate 1. A plurality of circular vent holes and positioning holes are formed in the electrode plate 1, the electrode plate 1 and the circular tube electrode 3 are made of conductive materials, and metal materials with good rigidity are selected preferably.
Referring to fig. 3 and 4, the circular tube electrode 3 includes a first hollow tube 30 and a second hollow tube 31, and the first hollow tube 30 and the second hollow tube 31 are preferably processed by extruding a shape, preferably stainless steel or aluminum. The first hollow tube 30 and the second hollow tube 31 are connected side by side, and the circular tube electrode 3 is disposed on one side of the electrode plate 1, so that the first hollow tube 30 and the second hollow tube 31 are respectively disposed coaxially with the two adjacent ventilation holes. And positioning columns 33 with self-tapping threaded holes and coaxially matched with the positioning holes are respectively arranged on the outer walls of the first hollow tube body 30 and the second hollow tube body 31, and screws or other fasteners are matched for fixing the circular tube electrode 3 on the electrode plate 1. When the electrode is installed and used, the first hollow tube body 30 and the second hollow tube body 31 are respectively aligned to the adjacent vent holes, the positioning column 33 corresponds to the positioning hole, and fasteners such as screws which can be matched are placed in the positioning column 33 and screwed down, so that the circular tube electrode 3 can be fixedly installed. According to the invention, the first hollow tube body 30 and the second hollow tube body 31 are connected, the positioning column 33 is arranged on each tube body, the circular tube electrode 3 can be quickly fixed on the electrode plate only by putting fasteners such as screws which can be matched into the positioning columns 33 and screwing down, so that the circular tube electrode 3 can be fixed in a non-welding mode, the circular tube electrode 3 is prevented from being fixed on the electrode plate, the two hollow tube bodies can be fixed and installed equivalently by screwing two screws, the tip generated by welding at the end face of the bottom of the circular tube electrode 3 can be avoided, the welding spot is not required to be polished, the partial discharge is avoided, the electric field is uniform, and compared with the traditional welding mode, the efficiency of product production and assembly is greatly improved, and the factory cost of purifying products is reduced. The number of the circular tube electrodes 3 is multiple, the circular tube electrodes are selected according to the type or the size of the air purification device, and especially when tens or hundreds of circular tube electrodes 3 are required to be installed on one electrode plate 1, the structure of the circular tube electrodes 3 is more convenient to install than that of a traditional welding type, and the installation efficiency and the assembly cost have very obvious advantages.
As shown in fig. 5 to 7, the electrode needle unit 5 includes an insulating support 51, an electrode connecting plate 52, and a plurality of discharge electrodes 53. The electrode connecting plate 52 and the plurality of discharge electrodes 53 are made of a conductive material. The insulating holder 51 is provided on the other side of the electrode plate 1 with respect to the cylindrical electrode 3, a mounting groove 510 having an opening facing the electrode plate 1 is provided in the insulating holder 51, and the electrode connecting plate 52 is mounted in the mounting groove 510. The discharge electrode 53, or the discharge needle, is a rod-shaped structure as a whole, and the specific length of the discharge electrode 52 can be selected according to actual needs. One end of each of the plurality of discharge electrodes 53 is vertically connected to the electrode connecting plate 52, the distance between adjacent discharge electrodes 53 is equal to the axial distance between the first hollow tube 30 and the second hollow tube 31, and the other end of each discharge electrode 53 passes through the insulating support 51, is disposed in the first hollow tube 30 or the second hollow tube 31, and is disposed coaxially with the first hollow tube 30 or the second hollow tube 31. In the present embodiment, the length of the electrode connecting plate 52 is shorter than the entire length of the insulating support 51, so that when the electrode connecting plate 52 is installed in the insulating support 51, since the length of the insulating support 51 is longer than that of the electrode connecting plate 52, the two ends of the insulating support 51 protrude and extend relative to the two ends of the electrode connecting plate 52, and the protruding and extending portions can be used to fixedly connect the insulating support 51 to the electrode by using a screw or a snap structure to enhance the fixing effect.
As shown in fig. 3 and 4, the first hollow tube body 30 and the second hollow tube body 31 have a circular tube shape as a whole. The axes of the first hollow tube 30 and the second hollow tube 31 are parallel to each other, and the upper and lower end faces of the first hollow tube are flush with the upper and lower end faces of the second hollow tube, respectively. The first hollow tube 30 and the second hollow tube 31 are integrally formed.
A connecting plate 34 is arranged outside the pipe wall of the first hollow pipe body 30 and the second hollow pipe body 31, and the first hollow pipe body 30 and the second hollow pipe body 31 are connected through the connecting plate 34. The positioning posts 33 are disposed near the connecting plate 34, and the positioning posts 33 on the first hollow tube 30 and the positioning posts 33 on the second hollow tube 31 are disposed on opposite sides of the connecting plate 34. The axis of the positioning column 33 is parallel to the axes of the first hollow tube 30 and the second hollow tube 31, and a screw hole 35 with internal threads is arranged in the middle of the positioning column along the axis. Reference column 33 is close to connecting plate 34 and sets up, avoid when the installation of multiunit pipe electrode 3 between adjacent to produce the interference because of reference column 33, be located reference column 33 on first cavity body 30 and be located reference column 33 on second cavity body 31 and set up the one side at connecting plate 34 respectively relatively, form diagonal structure with this, only need set up a reference column 33 on every body like this, through the mutual restriction of two bodys, just can effectively fix pipe electrode 3 on the plate electrode, and can guarantee pipe electrode 3 itself, and with the axiality between the discharge needle, guarantee the homogeneity that produces the electric field.
The positioning post 33 has an arc-shaped cross section as a whole, and the inside of the positioning post 33 is connected to the outer wall of the first hollow tube 30 or the second hollow tube 31, and the outside thereof has an opening 36 penetrating the screw hole 35. The size of the opening 36 is preferably less than or equal to a quarter of the circumference of the entire arc, and by this structure, while ensuring the mounting stability, the use of material can be reduced, thereby reducing the weight of the product as a whole.
As shown in fig. 5 to 7, the insulating support 51 is a long strip structure, and the outer profile of the cross section of the insulating support 51 is a T-shaped structure with a wide top and a narrow bottom, so that the wind resistance can be reduced and the discharge electrode 53 can be better fixed by the design of the structure. The mounting groove 510 comprises an upper chute 511 and a lower positioning groove 512, the electrode connecting plate 52 is of a long-strip square structure, the electrode connecting plate 52 is mounted in the upper chute 511 and is in limited close fit or interference fit with the inner wall of the upper chute 511, and a yielding groove is arranged above the upper chute 511. A plurality of connecting holes penetrating in the vertical direction are arranged on the electrode connecting plate 52 at intervals, the upper end of the discharge electrode 53 is fixedly mounted on the electrode connecting plate 52 through the connecting holes, and the upper section 530 of the discharge electrode 53 is in close fit or interference fit with the inner wall of the lower positioning groove 512. After the installation is finished, the lower positioning groove 512 is filled with insulating glue, so that the connection stability of the discharge needle is further reinforced. Compared with the conventional fixing mode of the U-shaped injection molding part, the discharge needle of the embodiment has higher structural rigidity, and the discharge electrode 53 or one end of the discharge needle can be more stably installed on the insulating support 51.
The surface of the upper section 530 of the discharge electrode 53 close to the insulating support 51 is smooth, and the surface of the part of the discharge electrode 53 accommodated in the middle of the ionization tube is provided with a discharge tip 531, and the discharge tip 531 is in an annular knurling or thread structure. That is, the section of the discharge electrode 53 near the joint of the electrode plate 1 and the circular tube electrode 3 is a smooth polished rod, so that the partial discharge generated at the near end of the discharge electrode 53 can be further reduced, and the discharge electric field is concentrated in the middle of the ionization tube. In the present embodiment, the length of the upper beam splitter is preferably 2mm to 12mm, more preferably 5mm to 8mm, depending on the electric field intensity, and the diameter of the upper beam splitter is preferably less than or equal to the diameter of the screw of the discharge tip, more preferably less than 0.5mm or more.
Insulating support 51 in this embodiment adopts to extrude insulating material preparation and forms, and the material mainly is PVC, PP, ABS etc. and this structure is better than the U-shaped groove structure rigidity that tradition used, adopts the structure of alternating with the electrode fishplate bar, and the structure is more stable, and discharge electrode 53 hangs down the straightness height. The electrode connecting plate 52 is made of a PCB, and each electrode is connected through a PCB conductive layer. The discharge electrode 53 is preferably made of molybdenum or stainless steel, and has a continuous tip on the surface, such as a ring-shaped knurling structure or a spiral structure. The chute space of the insulating support 51 between the discharge electrodes 53 can be selectively insulated by insulating glue according to different mounting structure modes.
In the present embodiment, the inner walls of the first hollow pipe body 30 and the second hollow pipe body 31 are cylindrical surfaces having the same diameter; in other embodiments, the inner walls of the first hollow tube 30 and the second hollow tube 31 are shaped as smooth wavy arc surfaces, that is, are designed as diameter-variable circular tubes with a narrow inside and a wide outside, and the cross-sectional shapes thereof are schematically shown in fig. 8 or fig. 9. With first hollow body 30 and the inside design of second hollow body 31 for the wavy arcwall face, under the same voltage, isometric basic condition of hollow body, because the interval at hollow body middle part and discharge electrode 53 middle part is less than the interval of hollow body portion and two tip of discharge electrode 53, then can further weaken the peak electric field at pipe electrode 3 both ends, and the central zone of hollow body is more concentrated to the high strength electric field in the hollow body, thereby further be favorable to reducing the partial discharge phenomenon at hollow body both ends, improve energy utilization, improve purifying effect. Of course, the inner walls of the first hollow tube 30 and the second hollow tube 31 are preferably cylindrical surfaces with equal diameters, considering the processing cost and the processing difficulty.
As shown in fig. 10 and 11, a protective sleeve 7 made of an insulating material is disposed at the joint of the circular tube electrode 3 and the electrode plate 1, and is used for covering the joint of the circular tube electrode 3 and the electrode plate 1, so as to isolate the joint of the circular tube electrode 3 and the electrode plate 1 from the discharge electrode 53, further avoid a partial discharge condition, and ensure uniformity of an electric field. The protective sleeve 7 comprises at least two connected circular tube-shaped protective cover bodies 70, and a limiting convex ring 71 which is formed by vertically turning outwards and is in limiting fit with the outer edge of the positioning hole is arranged at the top of each protective cover body 70. The shield body 70 is matched with the inner wall of the round tube electrode 3, and the outer diameter of the shield body 70 is matched with the inner diameter of the round tube of the electrode, namely matched with the inner walls of the first hollow tube body 30 and the second hollow tube body 31. The axes between the shield bodies 70 are parallel to each other, the top surfaces of adjacent shield bodies 70 are flush, and the wheelbase between adjacent shield bodies 70 is the same as the wheelbase between adjacent vents.
A supporting piece 72 for supporting the insulating support 51 is arranged above the connection part between the shield bodies 70, the supporting piece 72 comprises a pair of limiting blocks 73 which are arranged in parallel and protrude upwards, arc-shaped limiting protrusions are correspondingly arranged on the opposite surfaces of the pair of limiting blocks 73, a limiting groove for placing the insulating support 51 is formed between the limiting blocks 73, and the limiting groove extends along the direction of the axis connecting line of the adjacent shield bodies 70; correspondingly, the outer walls of the two sides of the insulating bracket 51 are also provided with clamping grooves 513 matched with the limiting blocks 73. As shown in fig. 10, in the first embodiment, a buckle 74 is provided below the connection between the shield bodies 70, a buckle hole is correspondingly provided on the electrode plate 1, and the buckle 74 is buckled in the buckle hole to fixedly mount the protective sheath 7 on the electrode plate 1. As shown in fig. 11, in the second embodiment, as a better scheme, a pair of limiting holes 75 are symmetrically arranged at both sides of the supporting member 72 in the connection between the shield bodies 70 instead of the buckles 74, the limiting holes 75 are coaxially arranged corresponding to the positioning holes on the electrode plate 1, so that when the protective sleeve is installed, after screws are inserted from the limiting holes 75, the tips of the screws sequentially pass through the limiting holes 75 and the positioning holes and then are in threaded fit with the screw holes on the positioning columns 33, the protective sleeve 7 is fixedly installed on the electrode plate 1 in a symmetrical locking manner, and the circular tube electrode 3 is locked and installed at the same time. That is to say, through corresponding coaxial setting with spacing hole, locating hole, reference column, so when fixed protective sheath, pipe electrode, protective sheath and pipe electrode can be locked simultaneously to a certain screw, can make the structure more succinct, reduces assembly step and assembly complexity simultaneously.
During the use, with the protective sheath 7 suit in the junction of electrode pipe and plate electrode 1 to cover the welding point or the breach of junction, because of protective sheath 7 is insulating material, thereby just avoided because the partial discharge condition that welding point or breach caused. In addition, by connecting at least two shield bodies 70 and arranging a support 72 for supporting the electrode needle mounting frame at the joint, the beneficial technical effects of quick installation and fixation of the insulating support 51 are achieved.
As shown in fig. 12 and 13, a discharge needle auxiliary positioning structure 9 is disposed at one end of the circular tube electrode 3 away from the electrode plate 1, the discharge needle auxiliary positioning structure 9 includes a first mounting sleeve 90 and a second mounting sleeve 91 which are integrally annular, tops of the first mounting sleeve 90 and the second mounting sleeve 91 are connected through a connecting block 92, and the first mounting sleeve 90 and the second mounting sleeve 91 are respectively mounted at one ends of the first hollow tube 30 and the second hollow tube 31 away from the electrode plate 1 and are respectively coaxially disposed with the first hollow tube 30 and the second hollow tube 31. A first positioning rod 901 is arranged in the first mounting sleeve 90 near the top, and the first positioning rod 901 vertically passes through the center line of the first mounting sleeve 90. A second positioning rod 911 is provided in the second mounting sleeve 91 near the top, and the second positioning rod 911 vertically passes through the center line of the second mounting sleeve 91. Be equipped with first spacing pipe 902 in the middle part of first locating lever 901, first spacing pipe 902 and the coaxial setting of first installation cover 90 are equipped with the spacing pipe 912 of second in the middle part of second locating lever 911, and the spacing pipe 912 of second sets up with the second installation cover 91 is coaxial. The ends of the discharge electrode 53 received in the first hollow tube body 30 and the second hollow tube body 31 are respectively restrained in the first restraining tube 902 and the second restraining tube 912.
The top of the first mounting sleeve 90 is bent outwards vertically to form a first limiting ring 903 which is in a step shape and is in limiting fit with the end of the first hollow pipe body 30; the top of the first mounting sleeve 90 is bent outwards vertically to form a second limiting ring 913 which is in a step shape and is in limiting fit with the end of the second hollow tube 31; and a mounting hole 93 is formed in the connecting block 92, the mounting hole 93 is arranged corresponding to the positioning column 33, and the discharge needle auxiliary positioning structure is fixedly connected to the end part of the circular tube electrode 3 through screw matching.
In a specific use, one end of the discharge electrode 53 is connected to the insulating support 51, and the other end is coaxially inserted into the circular tube electrode 3. At this moment, with the supplementary location structure suit of discharge needle at the other end of pipe electrode 3, let first installation cover 90 and second installation cover 91 respectively cooperate and install in two adjacent pipe electrodes 3 promptly to make the other end of the discharge needle of two pipe electrodes 3 retrain respectively in first spacing pipe 902 and the spacing pipe 912 of second, through mounting hole 93 cooperation screw etc. with location structure monolithic stationary, thereby just accomplish the installation, and formed the restraint to the tip of discharge needle.
It can be understood by those skilled in the art that the discharge needle auxiliary positioning structure in the present embodiment is not a discharge needle with a pointed end, that is, the discharge tip of the discharge needle is not accommodated in the first limiting tube and the second limiting tube after installation, so as not to affect the discharge.
It should be noted that, in the present embodiment, when the circular tube electrode 3, the electrode needle device 5, the protective sleeve 7, and the discharge needle auxiliary positioning structure 9 are used separately, they can respectively achieve their respective technical effects, for example, the technical advantages of avoiding irregular point discharge caused by welding spots, restraining the end of the discharge electrode to ensure the coaxiality during transportation, and the like can be achieved. In fact, no matter what the conventional method is to insert the discharge needles into the long injection molding piece with the U-shaped cross section, or what the electrode needle device 5 is, theoretically, only the axial distance between two adjacent discharge needles is equal to the axial distance between two adjacent hollow tube bodies (or called round tube-shaped electrodes), so that the discharge needles and the hollow tube bodies are coaxially arranged after being installed. However, in practice, because there is no positioning structure on the electrode plate, it is difficult to make the discharge needle coaxial with the hollow tube body exactly or well, or even generate a large error, generally depending on the experience of the assembling personnel, during the actual assembly, so that the problems of large coaxiality deviation after the product is installed and affecting the purification effect of the ventilator occur. In the present embodiment, the circular tube electrode 3, the electrode needle device 5, the protective sleeve 7, and the discharge needle auxiliary positioning structure 9 are used in combination, so that the aforesaid problems can be solved, that is, the discharge electrode 53 and the first hollow tube 30 or the second hollow tube 31 can achieve better coaxiality in the process of producing a new product. The specific reasons are that: in actual production, first, one ends of the plurality of discharge electrodes 53 are vertically connected to the electrode connecting plate 52, respectively, and the distance between the adjacent discharge electrodes 53 is equal to the axial distance between the first hollow tube body 30 and the second hollow tube body 31, which is easily done by those skilled in the art. In addition, because the hollow tube body of the circular tube electrode 30, the protective cover body of the protective cover 7 and the mounting sleeve of the discharge needle auxiliary positioning structure 9 are respectively of a connected pair of circular tube structures, and the protective cover body and the mounting sleeve are respectively and coaxially arranged at two ends of the hollow tube body, and because the protective cover 7 is provided with the supporting piece 72 for supporting the insulating support 51, and the limiting groove of the supporting piece 72 extends along the direction of the axis connecting line of the adjacent protective cover body 70, the insulating support 51 can be ensured to vertically penetrate through the axis of the first hollow tube body 30 or the second hollow tube body 31 after being mounted, one end of the discharge electrode 53 is constrained on the electrode connecting plate 52 in the insulating support 51, and the axial distance between the adjacent discharge electrodes 53 is equal to the axial distance between the adjacent hollow tube bodies; finally, as the limiting tube of the discharge needle auxiliary positioning structure is coaxial with the hollow tube body, when the other end of the discharge electrode is constrained in the limiting tube of the discharge needle auxiliary positioning structure, the discharge electrode and the central control tube body can keep better coaxiality. That is to say, when the ventilator product is produced and assembled, the circular tube electrode 3, the electrode needle device 5, the protective sleeve 7 and the discharge needle auxiliary positioning structure 9 are matched together to form a positioning structure for the discharge electrode 53, so that the good coaxiality between the discharge electrode 53 and the circular tube electrode 3 is realized in the production and assembly process of the product, the delivery quality of the ventilator product is ensured, and the uniformity and the purification effect of an electric field are ensured.
According to the high-energy particle disinfection and purification electrode device, the structure of the circular tube electrode is changed, the traditional welding mode is replaced by a screw fixing mode, the protective sleeve is designed at the joint of the circular tube electrode and the electrode plate, the electrode needle device and the discharge needle auxiliary positioning structure are combined, the structures are mutually matched and jointly reinforced, the stability and the coaxiality of the discharge electrode are ensured, the local discharge caused by welding spots is avoided, the mounting stability of the discharge needle is enhanced through the matching of the structures such as the electrode needle device and the like, and the uniformity of an electric field is ensured.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, when used in the orientation or positional relationship indicated in the figures, are used merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting. Furthermore, the appearances of the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Claims (9)
1. A high-energy particle disinfection and purification electrode device is characterized in that: the electrode plate is provided with a plurality of round ventilation holes and positioning holes;
the circular tube electrode comprises a first hollow tube body and a second hollow tube body, and the first hollow tube body and the second hollow tube body are connected in parallel; the circular tube electrode is arranged on one side of the electrode plate, and the first hollow tube body and the second hollow tube body are respectively and coaxially arranged with the two adjacent vent holes; positioning columns which are coaxially matched with the positioning holes are respectively arranged on the outer walls of the first hollow tube body and the second hollow tube body and are used for fixing the circular tube electrode on the electrode plate;
the electrode needle device comprises an insulating support, an electrode connecting plate and a plurality of discharge electrodes; the insulating support is arranged on the other side of the electrode plate relative to the circular tube electrode, an installation groove with an opening facing the electrode plate is formed in the insulating support, and the electrode connecting plate is installed in the installation groove; the whole discharge electrode is of a rod-shaped structure, one end of the discharge electrode is vertically connected with the electrode connecting plate, and the other end of the discharge electrode penetrates through the insulating support and then is arranged in the first hollow tube body or the second hollow tube body and is coaxially arranged with the first hollow tube body or the second hollow tube body.
2. The energetic particle electrode device for purifying air according to claim 1, wherein: the first hollow pipe body and the second hollow pipe body are in a circular pipe shape in overall appearance; the axes of the first hollow pipe body and the second hollow pipe body are parallel to each other, and the upper end face and the lower end face of the first hollow pipe are respectively flush with the upper end face and the lower end face of the second hollow pipe.
3. The energetic particle electrode device for purifying air according to claim 2, characterized in that: a connecting plate is arranged outside the pipe wall of the first hollow pipe body and the pipe wall of the second hollow pipe body, and the first hollow pipe body and the second hollow pipe body are connected through the connecting plate; the positioning column is arranged close to the connecting plate, and the positioning column positioned on the first hollow pipe body and the positioning column positioned on the second hollow pipe body are oppositely and respectively arranged on one side of the connecting plate; the axis of the positioning column is parallel to the axes of the first hollow pipe body and the second hollow pipe body, and a screw hole is formed in the middle of the positioning column along the axis; the positioning column is integrally arc-shaped in cross section, the inner side of the positioning column is connected with the outer wall of the first hollow pipe body or the outer wall of the second hollow pipe body, and the outer side of the positioning column is provided with an opening penetrating through the screw hole.
4. The energetic particle electrode device for purifying air according to claim 3, wherein: the insulating support is of a strip-shaped structure, and the outer contour of the section of the insulating support is of a T-shaped structure which is wide at the top and narrow at the bottom; the electrode connecting plate is arranged in the upper sliding chute and is in limited close fit with the inner wall of the upper sliding chute, and a yielding groove is arranged above the upper sliding chute; the electrode connecting plate is provided with a plurality of connecting holes which are communicated along the vertical direction at intervals, the upper end of the discharge electrode is fixedly arranged on the electrode connecting plate through the connecting holes, and the upper section part of the discharge electrode is tightly matched with the inner wall of the lower positioning groove.
5. The energetic particle electrode device for purifying air according to claim 4, wherein: the surface of the upper section of the discharge electrode close to the insulating support is a smooth surface, and a discharge tip is arranged on the surface of the part of the discharge electrode accommodated in the middle of the ionization tube; the discharge tip is of an annular thread structure or a thread structure.
6. The energetic particle electrode device for purifying air according to claim 5, wherein: a protective sleeve made of insulating materials is arranged at the joint of the circular tube electrode and the electrode plate and used for covering the joint of the circular tube electrode and the electrode plate so as to isolate the joint of the circular tube electrode and the electrode plate from the discharge electrode; the protective sleeve comprises at least two connected circular-tube-shaped protective cover bodies, and the top of each protective cover body is provided with a limiting convex ring which is formed by outward turning and is in limiting fit with the outer edge of the positioning hole; the shield body is matched with the inner wall of the circular tube electrode, and the outer diameter of the shield body is matched with the inner diameter of the circular tube electrode; the axes between the shield bodies are parallel to each other, the top surfaces of the adjacent shield bodies are flush, and the wheelbase between the adjacent shield bodies is the same as the wheelbase between the adjacent vent holes.
7. The energetic particle electrode device for purifying air according to claim 6, wherein: a supporting piece for supporting the insulating support is arranged above the connection part between the shield bodies, the supporting piece comprises a pair of limiting blocks which are arranged in parallel and are upwards protruded, arc-shaped limiting protrusions are correspondingly arranged on the opposite surfaces of the pair of limiting blocks, a limiting groove for placing the insulating support is formed between the limiting blocks, and the limiting groove extends along the direction of the axis connecting line of the adjacent shield bodies; connection between the guard shield body is in support piece's bilateral symmetry is equipped with and is equipped with spacing hole, spacing hole corresponds the coaxial setting of locating hole on the plate electrode to when the installation protective sheath, follow after inserting the screw in the spacing hole, screw most advanced loop through behind spacing hole, the locating hole with screw hole screw-thread fit on the reference column will with the mode of symmetry locking protective sheath fixed mounting is on the plate electrode to lock the installation simultaneously the pipe electrode.
8. The energetic particle electrode device for purifying air according to claim 7, wherein: a discharge needle auxiliary positioning structure is arranged at one end, far away from the electrode plate, of the circular tube electrode, and comprises a first mounting sleeve and a second mounting sleeve which are integrally annular, the tops of the first mounting sleeve and the second mounting sleeve are connected through a connecting block, and the first mounting sleeve and the second mounting sleeve are respectively mounted at one ends, far away from the electrode plate, of the first hollow tube body and the second hollow tube body and are respectively coaxially arranged with the first hollow tube body and the second hollow tube body; a first positioning rod is arranged in the first mounting sleeve and close to the top, and the first positioning rod vertically penetrates through the center line of the first mounting sleeve; a second positioning rod is arranged in the second mounting sleeve and close to the top, and the second positioning rod vertically penetrates through the center line of the second mounting sleeve; a first limiting pipe is arranged in the middle of the first positioning rod and is coaxially arranged with the first mounting sleeve, a second limiting pipe is arranged in the middle of the second positioning rod and is coaxially arranged with the second mounting sleeve; the ends of the discharge electrodes accommodated in the first hollow tube body and the second hollow tube body are respectively limited in the first limiting tube and the second limiting tube.
9. The energetic particle electrode device for purifying air according to claim 8, wherein: the top of the first mounting sleeve is bent outwards to form a stepped first limiting ring which is in limiting fit with the end part of the first hollow pipe body; the top of the first mounting sleeve is bent outwards to form a second limiting ring which is in a step shape and is in limiting fit with the end part of the second hollow pipe body; and the connecting block is provided with a mounting hole.
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| CN202210481938.4A CN114877478A (en) | 2022-05-05 | 2022-05-05 | High-energy particle electrode device for purifying air |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210481938.4A CN114877478A (en) | 2022-05-05 | 2022-05-05 | High-energy particle electrode device for purifying air |
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