CN110970799A - Generator for increasing anion migration distance - Google Patents

Generator for increasing anion migration distance Download PDF

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Publication number
CN110970799A
CN110970799A CN201811150505.0A CN201811150505A CN110970799A CN 110970799 A CN110970799 A CN 110970799A CN 201811150505 A CN201811150505 A CN 201811150505A CN 110970799 A CN110970799 A CN 110970799A
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triode
generator
gun barrel
needle point
negative ions
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CN110970799B (en
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季国荣
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Zhejiang Narva Intelligent Technology Co ltd
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Zhejiang Narva Intelligent Technology Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T23/00Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/16Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/22Ionisation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T19/00Devices providing for corona discharge
    • H01T19/04Devices providing for corona discharge having pointed electrodes
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0064Earth or grounding circuit

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Elimination Of Static Electricity (AREA)

Abstract

The invention discloses a generator for increasing the migration distance of negative ions, which belongs to the field of air purification devices and solves the problem of short migration distance of negative ions caused by the constraint of an electric field after the negative ions are generated. The invention has reasonable structure, and utilizes the grounded gun barrel to shield the electric field of the needle point, so that the negative ions are smoothly separated from the electric field of the needle point and are emitted out of the gun barrel, thereby increasing the migration distance of the negative ions.

Description

Generator for increasing anion migration distance
Technical Field
The present invention relates to an air cleaning apparatus, and more particularly, to a generator for increasing a migration distance of negative ions.
Background
The negative ion is also called negative oxygen ion, and refers to oxygen ion with negative charge by acquiring redundant electrons. It is formed by the binding of free electrons to oxygen molecules in the air. The discharge (lightning) phenomenon, photoelectric effect, fountain, waterfall, etc. in the nature can all ionize the surrounding air to form negative oxygen ions. The main functions of the negative ions are: the negative ions have effects of tranquilizing, relieving pain, relieving cough, relieving itching, promoting urination, stimulating appetite, and lowering blood pressure. In an air-conditioned room, negative ions in the air almost completely disappear after being subjected to a series of air-conditioning purification treatments and a long ventilating duct, and people who stay in the room for a long time feel chest distress, dizziness, weakness, and decline in working efficiency and health condition, which are called as "air-conditioning syndrome". Therefore, negative ion generators are often placed in daily life to improve the working environment.
At present, the chinese patent with publication number CN200979967 discloses an air negative ion generator with high integration and high stability, which comprises an insulating casing, wherein a power supply, a controller, a high voltage generator, an electric field shielding ring and a discharge needle plate are installed in the insulating casing. The discharge needle plate is formed by that a plurality of uniformly arranged metal discharge needles penetrate through a metal sheet, the discharge needles are well connected with the metal sheet, then the discharge needles are molded into an integral part by plastic injection, the integral part is installed at the back of the front panel, and the discharge needles on the discharge needle plate are right opposite to gaps or holes on the front panel; the high voltage generator is assembled in a shell after welding the oscillating circuit, the high voltage transformer, the voltage doubling rectifying circuit and the connecting wire, and is encapsulated into a whole by insulating materials; the electric field shielding ring is a closed metal ring body, and plays a role of shielding the conductive objects near and around the emitting needle in the middle, so that the influence of the outside on the electric field can be reduced, the electric field stability of the invention can be improved, and the concentration of the emitted air negative ions can be increased.
The technical scheme is that the metal ring body is utilized to shield an external electric field, so that the influence of the electric field outside the metal ring body on the electric field discharging the tips of the discharge needles is avoided, the electric field discharging the tips of the discharge needles exists inside the metal ring body, and negative ions are restrained by the electric field inside the metal ring body and are difficult to leave the metal ring body after being generated, so that the migration distance of the negative ions is short, the negative ions are concentrated near an air negative ion generator and are difficult to diffuse indoors, and the quantity of the negative ions inhaled by a human body is small.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a generator for increasing the migration distance of negative ions, which utilizes a grounded gun barrel to shield an electric field of a part of a needle point, so that the negative ions are smoothly separated from the electric field of the needle point and are emitted from the gun barrel, and the migration distance of the negative ions is further increased.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an increase generator of anion migration distance, includes insulating support, discharge apparatus and electric field shield assembly, including fixed connection in insulating support's needle point and the power of being connected with the needle point, the power provides direct current negative pressure for the tip point discharge of needle point, electric field shield assembly includes fixed connection in insulating support's metal gun barrel, the gun barrel is both ends opening and ground connection, the tip of needle point is close to with the opening of gun barrel and the opening of gun barrel is towards the tip of needle point, the tip of needle point leaves the interval with gun barrel terminal surface, the interval is greater than or equal to 0.
By adopting the technical scheme, the power supply is utilized to provide direct current negative pressure for the needle point, so that the tip of the needle point discharges, a large amount of negative ions are generated by the tip discharge of the needle point, the gun barrel is grounded, so that the potential of the gun barrel is zero, the electric field line direction of an electric field generated by the tip negative pressure of the needle point points to the tip of the needle point from the gun barrel, the negative ions generated by the tip discharge of the needle point move towards the direction of the gun barrel, and the negative ions enter the gun barrel in an accelerating manner under the action of the electric field; the gun barrel is a grounded hollow conductor, so that the gun barrel shields the electric field of part of the needle point, negative ions are smoothly separated from the electric field of the needle point and are emitted out of the gun barrel, the migration distance of the negative ions is further increased, the negative ions are prevented from accumulating near a negative ion generator, the negative ions can be diffused into a room, and more negative ions are absorbed by a human body; because the anion that the point discharge of needle point produced moves to the direction at barrel place, so the density of anion in the great increase barrel, make the laminating between the anion tighter, and the anion has the trend of keeping away from each other under the effect of self electric field force, thereby the anion of high density in the barrel can be followed the barrel and spout, the barrel has become a buncher accelerator this moment, thereby increase the moving speed that the anion was launched from the barrel, further increase the migration distance of anion.
The invention is further configured to: the needle point and the gun barrel are coaxially arranged.
By adopting the technical scheme, the needle point is positioned in the middle of the gun barrel, the distance from the tip end of the needle point to the side wall of the gun barrel is equal, negative ions which do not enter the gun barrel are reduced, more negative ions enter the gun barrel, and more negative ions are transferred remotely.
The invention is further configured to: the insulating support is circumferentially provided with a plurality of mounting holes, the gun barrels are coaxially and fixedly connected in the mounting holes, the insulating support is fixedly connected with a metal connecting sheet connected with a power supply, and the connecting sheet is fixedly connected with all needle points.
Through adopting above-mentioned technical scheme, the needle point passes through connection piece fixed connection on insulating support, makes the relation of connection between needle point and the insulating support more stable to make the position relation of needle point and a gun barrel also more stable, reduce the influence of the medium in the air to anion emission volume. The plurality of needle points are connected with the power supply through the connecting sheet, so that the electric connection structure of the needle points and the power supply is simplified, and the wiring of the negative ion generator is more convenient.
The invention is further configured to: the mounting hole is opened in the insulating support in the circumferential direction, the insulating support threaded connection has the earth bolt who conflicts with a plurality of gun barrels simultaneously, earth bolt is connected with the earth connection, the connection piece is the annular.
By adopting the technical scheme, all gun barrels are grounded through the grounding bolts, the grounding connection structure of the gun barrels is simplified, and the negative ion generator is more convenient to wire.
The invention is further configured to: the power supply is a direct current negative high voltage generator, and a high voltage output terminal of the direct current negative high voltage generator is connected with the needle tip.
By adopting the technical scheme, the lower voltage is converted into the high voltage by utilizing the direct current negative high voltage generator, and the use is relatively safer and more reliable.
The invention is further configured to: the gun barrel is connected with a shielding circuit, and the shielding circuit comprises a fourth triode Q44, a resistor R1, a first triode Q41, a resistor R41, a second triode Q42 and a third triode Q43; one end of the resistor R1 is connected with the base electrode of the fourth triode Q44, the other end of the resistor R1 is connected with the gun barrel 7, a voltage regulator tube D1, a capacitor C1 and a resistor R46 are connected in parallel between the base electrode and the emitting electrode of the fourth triode Q44, and the emitting electrode of the fourth triode Q44 is connected with the collector electrode of the first triode Q41; one end of the resistor R41 is connected with the base electrode of a first triode Q41, and a resistor R42 is connected between the base electrode and the collector electrode of the first triode Q41; the emitter of the second triode Q42 is grounded, the collector of the second triode Q42 is connected with the central processing unit through the output end J3-2, and the base of the second triode Q42 is connected with the collector of the third triode Q43 through the resistor R43; the base electrode of the third triode Q43 is connected with the collector electrode of the fourth triode Q44 through a resistor R45, the collector electrode of the fourth triode Q44 is connected with a capacitor C2, the other end of the capacitor C2 is grounded, the collector electrode of the third triode Q43 is connected with the collector electrode of the first triode Q41 through R44, and the emitter electrode of the third triode Q43 is grounded.
By adopting the technical scheme, the gun barrel is grounded through the shielding circuit, when negative ions are contacted with the inner wall of the gun barrel, the negative ions cannot be timely guided into the ground under the influence of the impedance of the shielding circuit, so that the inner wall of the gun barrel is provided with a small amount of negative voltage, an electric field generated by the negative voltage and an electric field of the negative ions generate a repulsive force, the contact of the negative ions and the gun barrel is reduced, and more negative ions are sprayed out from the gun barrel.
The invention is further configured to: the collector of the first triode Q41 is connected with the input end of the DC negative high voltage generator 5, and the emitter of the first triode Q41 is connected with the 12V power supply through the power supply end J3-4; when the gun barrel 7 receives the signal, the signal is sent to a central processing unit through an output end J3-2 of a secondary amplifying circuit, the central processing unit sends an instruction to enable an output signal of a control end J3-3 to be 0 or 1, and therefore the voltage of the input end of the direct current negative high voltage generator 5 is controlled to be 0 or 12V through the first triode Q41, and high voltage power failure or continuous work is achieved.
Due to the fact that the needle point voltage is high, air can be punctured to enable the needle point to be communicated with the gun barrel, potential safety hazards exist when air is punctured due to sparks, when the air is punctured, the voltage of the gun barrel is increased instantly, the voltage is sent to the central processing unit through the output end J3-2 of the secondary amplifying circuit, the central processing unit sends out instructions to enable the output signal of the control end J3-3 to be 0, and therefore the voltage of the input end of the direct current negative high voltage generator 5 is controlled to be 0 through the first triode Q41, power failure is achieved, and fire disasters are avoided.
The invention is further configured to: the length of the needle point is 10 mm-20 mm.
By adopting the technical scheme, the negative ions generated by the discharge of the tip of the needle point are increased.
The invention is further configured to: the diameter of a gun barrel 7 is 15mm ~30mm, the length of a gun barrel 7 is 15mm ~30mm, the interval between the tip of a gun barrel 7 and needle point 4 is 5mm ~10 mm.
By adopting the technical scheme, the negative ions move under the electric field discharged by the tip of the needle point to generate an initial speed moving towards the gun barrel, so that the included angle between the initial speed and the axis of the gun barrel is reduced, the contact between the negative ions and the side wall of the gun barrel is reduced, and more negative ions are sprayed out from the gun barrel.
The invention is further configured to: the needle point is made of metal materials.
By adopting the technical scheme, the metal has good conductivity, the point discharge effect is better, and the processing and the production are convenient.
In conclusion, the invention has the following beneficial effects:
firstly, the tip of the needle point generates negative high voltage, the gun barrel is grounded, so that the potential of the gun barrel is zero, the direction of an electric field line of an electric field generated by the negative high voltage at the tip of the needle point points to the tip of the needle point from the gun barrel, negative ions generated by the discharge of the tip of the needle point move towards the direction of the gun barrel, and the negative ions are accelerated to enter the gun barrel under the action of the electric field; meanwhile, the gun barrel shields the electric field of part of the needle point, so that negative ions are smoothly separated from the electric field of the needle point and are emitted out of the gun barrel, the migration distance of the negative ions is further increased, the negative ions are prevented from accumulating near a negative ion generator, the negative ions can be diffused into a room, and more negative ions are absorbed by a human body;
secondly, the needle point is fixedly connected to the insulating support through a connecting sheet, and all gun barrels are grounded through grounding bolts, so that the wiring of the negative ion generator is more convenient;
and thirdly, the shielding circuit is utilized to start the protection effect, the shielding circuit is utilized to detect whether the needle point punctures the air when releasing the negative ions, and the shielding circuit controls the direct-current negative high-voltage generator to be closed when the air punctures, so that the negative ion generator is safer to use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a cross-sectional view of the present embodiment showing an insulating support;
fig. 3 is a circuit diagram for showing the shielding circuit in the present embodiment.
Reference numerals: 1. an insulating support; 2. a discharge device; 3. an electric field shielding device; 4. a needle tip; 5. a direct current negative high voltage generator; 6. mounting holes; 7. a barrel; 8. a ground bolt; 9. a ground line; 10. mounting grooves; 11. a hexagon head bolt; 12. a hexagon socket nut; 13. a through hole; 14. connecting sheets; 15. a circuit board.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
A generator for increasing the migration distance of negative ions, as shown in FIG. 1, comprises an insulating support 1, a discharge device 2 and an electric field shielding device 3. The discharging device 2 comprises a needle point 4 fixedly connected to the insulating support 1 and a power supply electrically connected with the needle point 4, wherein the power supply provides direct current negative high voltage for the needle point 4, so that the tip of the needle point 4 generates a stronger high-voltage electric field, and the tip of the needle point 4 generates a tip discharging phenomenon under the action of the high-voltage electric field so as to generate negative ions. The electric field shielding device 3 shields the electric field of the needle tip 4 and guides negative ions generated by the discharge at the tip of the needle tip 4.
As shown in fig. 2, four mounting holes 6 are circumferentially formed in the insulating support 1, and the electric field shielding device 3 includes a gun barrel 7, a ground bolt 8, and a ground wire 9. The gun barrel 7 is a metal cylinder with two open ends, the gun barrel 7 is provided with four mounting holes 6 which are coaxially arranged, the inner diameter of each mounting hole 6 is the same as that of the gun barrel 7, the inner diameter of the gun barrel 7 is 15 mm-30 mm, and the length of the gun barrel 7 is 15 mm-30 mm. Four mounting grooves 10 which are coaxially arranged with the mounting holes 6 are formed in the end face of the right end of the insulating support 1. The internal diameter of mounting groove 10 is the same with the external diameter of barrel 7, and the mounting groove 10 axial depth is less than the axial length of barrel 7 to when barrel 7 was installed in mounting groove 10, thereby the barrel 7 right-hand member will extend mounting groove 10 protrusion in the right-hand member terminal surface of insulating support 1. The earth bolt 8 comprises a hexagon head bolt 11 and an inner hexagon nut 12, the insulating support 1 is provided with a through hole 13 for the rod part of the hexagon head bolt 11 to penetrate, and the distance between the through hole 13 and the four mounting holes 6 is the same. Hexagonal bolt 11 is worn in through-hole 13 from the left end of insulating support 1, and hexagon socket head cap nut 12 is from insulating support 1 right-hand member and hexagonal bolt 11 threaded connection and hexagon socket head cap nut 12 contradicts in the right-hand member of four gun barrels 7 to be fixed in the mounting groove 10 with gun barrel 7. The grounding wire 9 is connected with the hexagonal head bolt 11, so that the four gun barrels 7 are grounded, the grounding connection structure of the gun barrels 7 is simplified, and the wiring of the negative ion generator is more convenient.
As shown in fig. 2, the insulating support 1 is fixedly connected with an annular connecting piece 14 abutting against the end face of the left end of the insulating support 1 through bolts, and the needle points 4 are four and are circumferentially and fixedly connected with the inner wall of the connecting piece 14. The needle point 4 is made into an isosceles triangle-shaped plate by metal materials and is coaxially arranged with the gun barrel 7. The angle of the top angle of the needle tip 4 is smaller than the angle of the bottom angle thereof. The top corner of the needle tip 4 is the tip end thereof, the tip end points to the mounting hole 6 and extends into the mounting hole 6, and the other end of the needle tip 4 is fixedly connected with the connecting sheet 14. The length of the needle point 4 is 10 mm-20 mm, and the distance between the tip end of the needle point and the end face of the left end of the gun barrel 7 is 5 mm-10 mm. The annular connecting web 14 is formed integrally with the needle tip 4. The annular connecting sheet 14 is electrically connected with a power supply, the power supply is a direct current negative high voltage generator 5, the direct current negative high voltage generator 5 converts 12V negative voltage into 6000V negative voltage, so that the tip of the needle point 4 is provided with the 6000V negative voltage, and a stronger electric field is formed around the tip of the needle point 4. Under the action of a strong electric field, the tip of the needle point 4 discharges to generate a large amount of negative ions. The gun barrel 7 is grounded, so that the potential of the gun barrel 7 is zero, electric field lines of an electric field generated by the negative pressure of the tip of the needle point 4 are directed to the tip of the needle point 4 from the gun barrel 7, so that negative ions generated by the discharge of the tip of the needle point 4 move towards the direction of the gun barrel 7, and the negative ions are accelerated into the gun barrel 7 under the action of the electric field. Because the gun barrel 7 is a hollow conductor which is grounded, the gun barrel 7 shields the electric field of part of the needle point 4, so that negative ions are smoothly separated from the electric field of the needle point 4 and are emitted out of the gun barrel 7, the migration distance of the negative ions is further increased, the negative ions are prevented from accumulating near a negative ion generator, the negative ions can be diffused into a room, and more negative ions are absorbed by a human body.
As shown in fig. 3, the gun barrel 7 also has the function of bundling negative ions because the gun barrel 7 exists, and the electric field lines of the electric field generated by the negative pressure at the tip of the needle point 4 are directed from the gun barrel 7 to the tip of the needle point 4, so that the negative ions generated by the discharge at the tip of the needle point 4 move towards the gun barrel 7, and more negative ions enter the gun barrel 7. A large amount of anions gather in a gun section of thick bamboo 7, have increased the density of anion in a gun section of thick bamboo 7, make the inseparabler of laminating between the anion, and the anion has the trend of keeping away from each other under the effect of self electric field power to 7 high density's in a gun section of thick bamboo anion can follow 7 right-hand members blowout of a gun section of thick bamboo, thereby increase the anion from 7 in the gun section of thick bamboo spun translation velocity, further increase the migration distance of anion.
As shown in fig. 3, since the needle tip 4 has a high voltage, air may be punctured to conduct the needle tip 4 and the gun barrel 7, and the air may be punctured with spark and thus may cause a safety hazard. In order to solve the above technical solution, the grounding line 9 is connected in series with a shielding circuit, and the shielding circuit is disposed on a circuit board 15.
As shown in fig. 3, the shield circuit includes a detector circuit, a feedback input voltage control circuit, and a two-stage voltage amplification circuit.
The detection circuit comprises a fourth triode Q44 and a resistor R1, one end of the resistor R1 is connected with the base electrode of the fourth triode Q44, the other end of the resistor R1 is a high-voltage signal receiving end and is connected with the gun barrel 7, a voltage stabilizing tube D1, a capacitor C1 and a resistor R46 are connected in parallel between the base electrode and the emitting electrode of the fourth triode Q44, and the emitting electrode of the fourth triode Q44 is connected with the collector electrode of the first triode Q41.
The feedback input voltage control circuit comprises a first triode Q41 and a resistor R41, wherein one end of the resistor R41 is connected with the base electrode of the first triode Q41, and a resistor R42 is connected between the base electrode and the collector electrode of the first triode Q41; the emitter of the second transistor Q42 is grounded, its collector is connected to the cpu through the output terminal J3-2, and its base is connected to the collector of the third transistor Q43 through the resistor R43. The collector of the first triode Q41 is connected with the input end of the DC negative high voltage generator 5, and the emitter of the first triode Q41 is connected with the 12V power supply through the power supply end J3-4.
The second-level voltage amplifying circuit comprises a second triode Q42 and a third triode Q43, the base electrode of the third triode Q43 is connected with the collector electrode of the fourth triode Q44 through a resistor R45, the collector electrode of the fourth triode Q44 is connected with a capacitor C2, the other end of the capacitor C2 is grounded, the collector electrode of the third triode Q43 is connected with the collector electrode of the first triode Q41 through a resistor R44, and the emitter electrode of the third triode Q43 is grounded.
A capacitor C301 is connected between the emitter of the third triode Q43 and the emitter of the fourth triode Q44, so that the three form a low-frequency filter, and the other end of the capacitor C301 is adjacent to the collector of the first triode Q41. The second transistor Q42 and the third transistor Q43 are NPN transistors, and the first transistor Q41 and the fourth transistor Q44 are PNP transistors.
When the high-voltage signal receiving end receives a signal, the signal is sent to the central processing unit through the output end J3-2 of the secondary amplifying circuit, the central processing unit sends an instruction, the output signal of the control end J3-3 is 0 or 1, and therefore the voltage of the voltage input end of the direct current negative high-voltage generator 5 is controlled to be 0 or 12V through the first triode Q41, and high-voltage power failure or continuous work is achieved. J3-1 is the ground terminal.
When the needle point 4 does not puncture air, the voltage of the gun barrel 7 is small, the high-voltage signal receiving end sends a signal to the central processing unit through the output end J3-2 of the secondary amplifying circuit, the central processing unit sends an instruction to enable the output signal of the control end J3-3 to be 1, and therefore the input voltage of the voltage input end of the direct current negative high-voltage generator 5 is controlled to be 12V through the first triode Q41, and the direct current negative high-voltage generator 5 continues to work.
When the air between the needle point 4 and the gun barrel 7 is broken down, the voltage of the gun barrel 7 is increased instantly, the high-voltage signal receiving end sends a signal to the central processing unit through the output end J3-2 of the secondary amplifying circuit, the central processing unit sends an instruction to enable the output signal of the control end J3-3 to be 0, the voltage of the voltage input end of the direct current negative high-voltage generator 5 is controlled to be 0V through the first triode Q41, and then the direct current negative high-voltage generator 5 stops outputting high voltage.
The gun barrel 7 is grounded through the shielding circuit, when negative ions are contacted with the inner wall of the gun barrel 7, the negative ions cannot be timely led into the ground under the influence of the impedance of the shielding circuit, so that a small amount of negative voltage is arranged on the inner wall of the gun barrel 7, an electric field generated by the negative voltage generates a repulsive force with the electric field of the negative ions, the contact of the negative ions with the gun barrel 7 is reduced, and more negative ions are ejected from the gun barrel 7.
The specific working mode is as follows: the direct current negative high voltage generator 5 converts the 12V negative voltage into 6000V negative voltage, so that the tip of the needle point 4 is provided with the 6000V negative voltage, and a stronger electric field is formed around the tip of the needle point 4. The sharp end of the needle point 4 is discharged under the action of a strong electric field to generate a large amount of negative ions. Because the gun barrel 7 is grounded, the potential of the gun barrel 7 is zero, negative ions generated by the point discharge of the needle point 4 move towards the direction of the gun barrel 7, and the negative ions are accelerated into the gun barrel 7 under the action of an electric field. Because the gun barrel 7 is a hollow conductor which is grounded, the gun barrel 7 shields the electric field of part of the needle point 4, so that negative ions are smoothly separated from the electric field of the needle point 4 and are emitted out of the gun barrel 7, the migration distance of the negative ions is further increased, the negative ions are prevented from accumulating near a negative ion generator, the negative ions can be diffused into a room, and more negative ions are absorbed by a human body.
When the air between the needle point 4 and the gun barrel 7 is broken down, the voltage of the gun barrel 7 is increased instantly, the high-voltage signal receiving end sends a signal to the central processing unit through the output end J3-2 of the secondary amplifying circuit, the central processing unit sends an instruction to enable the output signal of the control end J3-3 to be 0, the voltage of the voltage input end of the direct current negative high-voltage generator 5 is controlled to be 0V through the first triode Q41, and then the direct current negative high-voltage generator 5 stops outputting high voltage. The gun barrel 7 is grounded through the shielding circuit, when negative ions are contacted with the inner wall of the gun barrel 7, the negative ions cannot be timely led into the ground under the influence of the impedance of the shielding circuit, so that a small amount of negative voltage is arranged on the inner wall of the gun barrel 7, an electric field generated by the negative voltage generates a repulsive force with the electric field of the negative ions, the contact of the negative ions with the gun barrel 7 is reduced, and more negative ions are ejected from the gun barrel 7.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides an increase generator of anion migration distance, includes insulating support (1), discharge apparatus (2) and electric field shield assembly (3), discharge apparatus (2) including fixed connection in needle point (4) of insulating support (1) and the power of being connected with needle point (4) electricity, the power provides direct current negative pressure for needle point (4) point discharge, electric field shield assembly (3) are including metal gun barrel (7) of fixed connection in insulating support (1), gun barrel (7) are both ends opening and ground connection, the most advanced of needle point (4) is close to with the opening of gun barrel (7) and the opening of gun barrel (7) is towards the most advanced of needle point (4), the most advanced of needle point (4) leaves the interval with gun barrel (7) terminal surface, the interval is greater than or equal to 0.
2. The generator of claim 1, wherein the generator is configured to increase a migration distance of the negative ions by: the needle point (4) and the gun barrel (7) are coaxially arranged.
3. The generator of claim 1, wherein the generator is configured to increase a migration distance of the negative ions by: a plurality of mounting holes (6) are formed in the circumferential direction of the insulating support (1), the gun barrels (7) are arranged in the mounting holes (6) in a multiple and coaxial fixed mode, a metal connecting piece (14) electrically connected with a power supply is fixedly connected to the insulating support (1), and the connecting piece (14) is fixedly connected with all needle points (4) simultaneously.
4. A generator for increasing a migration distance of negative ions according to claim 3, wherein: insulating support (1) is seted up to mounting hole (6) circumference, insulating support (1) threaded connection has simultaneously with a plurality of gun barrels (7) conflict earth bolt (8), earth bolt (8) are connected with earth connection (9), connection piece (14) are the annular.
5. The generator of claim 1, wherein the generator is configured to increase a migration distance of the negative ions by: the power supply is a direct current negative high voltage generator (5), and an output terminal of the direct current negative high voltage generator (5) is electrically connected with the needle point (4).
6. The generator of claim 1, wherein the generator is configured to increase a migration distance of the negative ions by: the gun barrel (7) is connected with a shielding circuit, and the shielding circuit comprises a fourth triode Q44, a resistor R1, a first triode Q41, a resistor R41, a second triode Q42 and a third triode Q43; one end of the resistor R1 is connected with the base electrode of a fourth triode Q44, the other end of the resistor R1 is electrically connected with the gun barrel (7), a voltage regulator tube D1, a capacitor C1 and a resistor R46 are connected in parallel between the base electrode and the emitting electrode of the fourth triode Q44, and the emitting electrode of the fourth triode Q44 is connected with the collector electrode of the first triode Q41; one end of the resistor R41 is connected with the base electrode of a first triode Q41, and a resistor R42 is connected between the base electrode and the collector electrode of the first triode Q41; the emitter of the second triode Q42 is grounded, the collector of the second triode Q42 is connected with the central processing unit through the output end J3-2, and the base of the second triode Q42 is connected with the collector of the third triode Q43 through the resistor R43; the base electrode of the third triode Q43 is connected with the collector electrode of the fourth triode Q44 through a resistor R45, the collector electrode of the fourth triode Q44 is connected with a capacitor C2, the other end of the capacitor C2 is grounded, the collector electrode of the third triode Q43 is connected with the collector electrode of the first triode Q41 through R44, and the emitter electrode of the third triode Q43 is grounded.
7. The generator of claim 6, wherein the generator is configured to increase a migration distance of the negative ions by: the collector of the first triode Q41 is connected with the input end of a direct current negative high voltage generator (5), and the emitter of the first triode Q41 is connected with a 12V power supply through a power supply end J3-4; when the gun barrel (7) receives the signal, the signal is sent to a central processing unit through an output end J3-2 of a secondary amplifying circuit, the central processing unit sends an instruction to enable an output signal of a control end J3-3 to be 0 or 1, and therefore the voltage of the input end of the direct current negative high voltage generator (5) is controlled to be 0 or 12V through a first triode Q41.
8. The generator of claim 1, wherein the generator is configured to increase a migration distance of the negative ions by: the length of the needle point (4) is 10 mm-20 mm.
9. The generator of claim 1, wherein the generator is configured to increase a migration distance of the negative ions by: the diameter of a gun barrel (7) is 15mm ~30mm, the length of a gun barrel (7) is 15mm ~30mm, the interval between the tip of a gun barrel (7) and needle point (4) is 5mm ~10 mm.
10. The generator of claim 1, wherein the generator is configured to increase a migration distance of the negative ions by: the needle point (4) is made of metal materials.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203859388U (en) * 2014-04-30 2014-10-01 上海育丰电器发展有限公司 Negative ion generator
CN104466687A (en) * 2014-11-28 2015-03-25 北京德馨汇金投资有限公司 Anion generator
CN205509235U (en) * 2016-03-28 2016-08-24 大连善润科技有限公司 Negative ion air purifier

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203859388U (en) * 2014-04-30 2014-10-01 上海育丰电器发展有限公司 Negative ion generator
CN104466687A (en) * 2014-11-28 2015-03-25 北京德馨汇金投资有限公司 Anion generator
CN205509235U (en) * 2016-03-28 2016-08-24 大连善润科技有限公司 Negative ion air purifier

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