Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
  • A61M11/04—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised
  • A61M11/041—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters
  • A61M11/042—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters electrical

Definitions

• the invention relates to an atomization device, in particular to an electronic atomization device and its atomizer.
• the current electronic cigarettes generally tend to be miniaturized, which limits the volume of the heating body, the amount of atomization obtained by the heating body atomizing the smoke liquid is limited, but often the user cannot bring the mist out to the maximum when inhaling, which affects The user’s satisfaction, and part of the mist will stay around the atomization surface to form condensate, and the user may inhale the condensate when pumping, which reduces the user experience.
• the technical problem to be solved by the present invention is to provide an improved electronic atomization device and its atomizer.
• an atomizer is constructed, which includes an atomization assembly and an upper seat body for supporting the atomization assembly;
• the upper seat body includes a through bottom wall near the edge At least one air inlet hole, an air flow collection cavity provided in the middle of the bottom wall, and a guide that extends a distance from the at least one air inlet hole along the inner wall surface of the upper seat body and communicates with the air flow collection cavity Flow channel
• the guide channel corresponds to the atomization surface of the atomization assembly, and the air flow collection cavity is used to collect the mixture of air and the mist overflowing from the atomization surface and then derive it.
• the upper seat body includes an arc-shaped wall body extending from the inner wall surface of the upper seat body along the inward common tangent direction of the air inlet hole to the middle of the bottom wall;
• the diversion channel is defined between the arc-shaped wall and the inner wall of the upper seat;
• the airflow collecting cavity with a flow guiding port is formed between the walls at the middle of the bottom wall, and the guiding channel is communicated with the airflow collecting cavity through the guiding hole.
• the upper seat body includes two opposite air inlet holes penetrating through the edge of the bottom wall, from the inner wall of the upper seat body along the inward common tangent direction of the air inlet hole Extend to the center circle of the bottom wall to form two arc-shaped walls, and define two diversion channels;
• the wall at the center circle of the bottom wall forms a cylindrical airflow collecting cavity with two opposite flow guide openings in front.
• the atomization assembly includes an atomization core supported on the upper seat, a first air outlet channel longitudinally penetrating the atomization core, and The heating sheet at the bottom of the atomization core;
• the bottom of the atomization core forms the atomization surface, and the first air outlet channel is connected with the air flow collection cavity for air conduction.
• the atomizer further includes a lower seat body in which the upper seat body is embedded, and the lower seat body is provided with a hole connected to the air inlet Through the air intake channel.
• the atomizer further includes a shell sleeved on the upper seat body and the lower seat body, between the shell and the upper seat body A liquid storage cavity is defined, and a second air outlet channel connected to the first air outlet channel for air conduction is provided on the housing.
• the atomizer further includes a seal
• One end of the sealing member is embedded in the first air outlet channel, abuts against the wall at the middle of the bottom wall, and communicates with the air flow collection cavity;
• the other end is sleeved on the atomizing core, a liquid suction groove is defined between the inner wall surface of the upper seat, and the second air outlet channel is plugged and connected with the second air outlet.
• the atomizer of the present invention there is a gap between the wall at the air inlet hole and the atomizing surface.
• the upper seat body and the sealing member are made of soft materials.
• the present invention also constructs an electronic atomization device, which includes an atomization assembly and an upper seat body for supporting the atomization assembly;
• the upper seat body includes at least one air inlet hole penetrating through the bottom wall near the edge and arranged at An air flow collection cavity in the middle of the bottom wall, and a diversion channel that extends from the at least one air inlet hole along the inner wall surface of the upper seat body for a certain distance and communicates with the air flow collection cavity;
• the guide channel corresponds to the atomization surface of the atomization assembly, and the air flow collection cavity is used to collect the mixture of air and the mist overflowing from the atomization surface and then derive it.
• the upper seat body includes a section of arc-shaped wall body extending from the inner wall surface of the upper seat body along the inward common tangent direction of the air inlet hole to the middle of the bottom wall ;
• the diversion channel is defined between the arc-shaped wall and the inner wall of the upper seat;
• the airflow collecting cavity with a flow guiding port is formed between the walls at the middle of the bottom wall, and the guiding channel is communicated with the airflow collecting cavity through the guiding hole.
• the upper seat body includes two opposite air inlet holes penetrating through the edge of the bottom wall, and a common tangent line inward from the inner wall of the upper seat body along the air inlet hole The direction extends to the center circle of the bottom wall to form two arc-shaped walls and define two diversion channels;
• the wall at the center circle of the bottom wall forms a cylindrical airflow collecting cavity with two opposite flow guide openings in front.
• the air When the user sucks, the air can be made to enter through the air inlet, and the airflow can be guided through the guide channel to flow along the atomization surface for a certain distance, and the air and the mist overflowing from the atomization surface can be fully mixed and collected in the airflow collection chamber , And then exported, so as to bring out the mist to the maximum, increase the amount of smoke brought out by each puff, and improve the satisfaction of the smoker.
• the present application guides the airflow to flow along the atomization surface for a certain distance through the guide channel, and then fully mixes the air with the mist overflowing from the atomization surface, collects it in the airflow collection chamber, and then leads it out, which can also minimize the condensate. The formation of this prevents users from inhaling condensate and enhances the user’s experience.
• FIG. 1 is a schematic diagram of the three-dimensional structure of the atomizer in the first embodiment of the present invention
• Fig. 2 is a schematic diagram of a longitudinal cross-sectional structure of the atomizer shown in Fig. 1;
• Fig. 3 is a schematic diagram of a three-dimensional exploded structure of the atomizer shown in Fig. 1;
• Fig. 4 is a three-dimensional exploded structural diagram of the atomization seat assembly of the atomizer shown in Fig. 3;
• FIG. 5 is a schematic diagram of the three-dimensional structure of the upper base shown in FIG. 4;
• FIG. 6 is a schematic view of the three-dimensional structure of the upper base shown in FIG. 4 from another perspective;
• FIG. 7 is a schematic diagram of a three-dimensional longitudinal cross-sectional structure of the atomizer shown in FIG. 1;
• FIG. 8a-8c are enlarged schematic diagrams of longitudinal cross-sections of the cavity and the ventilation groove of the atomizer shown in FIG. 2.
• Figures 1 and 2 show the atomizer in the first embodiment of the present invention.
• the atomizer can form an electronic atomization device together with a battery device for providing atomization to liquid media such as e-liquid or liquid medicine.
• the atomizer may include an atomization seat 1, an atomization assembly 2 installed in the atomization seat 1, and an atomization seat 1 sleeved on the battery device mechanically and electrically. ⁇ 3 ⁇ On the shell 3.
• a liquid storage cavity 4 for storing liquid medium is defined between the atomization seat 1 and the housing 3.
• the atomization assembly 2 is connected to the liquid storage cavity 4 for liquid conduction, and an atomization cavity is defined between the atomization seat 1 and the atomization cavity is used to heat the atomized medium after the atomization assembly 2 is energized to mix with the outside air .
• the atomization seat 1 in this embodiment includes a lower seat body 10 for mechanically and electrically connecting with the battery device, and an upper seat body 11 embedded on the top of the lower seat body 10 ,
• the upper base 11 is used to carry the atomization assembly 2.
• the lower seat body 10 is provided with an air intake passage 100 communicating with the outside.
• the lower seat body 10 includes a cylindrical seat body with an inner cavity for accommodating the lower part of the upper seat body 11.
• the inner cavity of the lower base 10 is separated by an upright partition 101.
• the two side walls of the partition 101 are respectively provided with positive and negative plates penetrating the bottom wall of the lower base 10.
• the lower part of 11 has a cross-shaped groove.
• the first groove 119 is inserted and fitted with the partition 101 to clamp the upper base body 11 on the lower base body 10.
• the air inlet passage 100 may include a pair of air inlets opened on the side wall of the lower seat body 10 and a cavity formed between the second groove 120 and the inner cavity of the lower seat body 10 when the upper seat body 11 is embedded in the lower seat body 10 .
• the atomization assembly 2 is supported in the upper base 11.
• the upper seat body 11 may be in the shape of a rounded truncated cone with an inner cavity, and the upper part of the inner cavity of the upper seat body 11 is provided with a supporting portion 121 for supporting the bottom edge of the atomization assembly 2.
• the upper seat body 11 may include a bottom wall 110, at least one air inlet 111 near the edge of the through bottom wall 110, and a middle part of the bottom wall 110 for discharging air and mist from the atomizing surface.
• the air inlet hole 111 is communicated with the second groove 120 at the lower part of the upper seat 11 to communicate with the air inlet passage 100.
• the bottom wall 110 of the upper seat body 11 is provided with an arc extending from the inner wall surface of the upper seat body 11 along the inward common tangent direction of the air inlet 111 to the middle of the bottom wall.
• the wall 114 defines a diversion channel 113 between the arc-shaped wall 114 and the inner wall surface of the upper seat 11, and since the diversion channel 113 corresponds to the atomization surface of the atomization assembly 2, the mist overflowing from the atomization surface passes through The diversion channel 113 mixes with air from the outside, so the diversion channel 113 forms the atomization cavity of the atomizer.
• an airflow collecting cavity 112 with a diversion port 115 is formed between the walls 114 at the middle of the bottom wall, and the diversion channel 113 is in communication with the airflow collecting cavity 112 through the diversion port 115.
• the upper seat body 11 includes two opposite air inlet holes 111 penetrating through the edge of the bottom wall 110, extending from the inner wall surface of the upper seat body 11 along the inward common tangent direction of the air inlet hole 111 to the center of the bottom wall 110
• two arc-shaped walls 114 are formed, and two diversion channels 113 are defined between the two arc-shaped walls 114 and the inner wall surface of the upper seat 11, and the two arc-shaped walls 114 surround the bottom wall 110
• the central circumference forms a cylindrical airflow collecting cavity 112 with two opposite guide openings 115.
• the upper base body 11 is made of soft materials such as silica gel
• the lower base body 10 may be made of hard materials such as metal or plastic.
• the atomization assembly 2 may include an atomization core 20 supported in the upper base 11, a first air outlet channel 21 longitudinally penetrating the atomization core 20, and an atomization The heating sheet 22 at the bottom of the core 20.
• the first air outlet channel 21 in the atomization core 20 is connected to the air flow collection cavity 112 for air conduction.
• the atomization core 20 is an annular porous ceramic body, which is supported by the supporting portion 121 on the upper part of the inner cavity of the upper seat body 11.
• the bottom of the atomization core 20 that is not in contact with the upper base 11 is provided with an annular heating sheet, which penetrates the bottom wall 110 of the upper base 11 through a connecting tube, and is electrically connected to the positive and negative plates on the lower base 10 through the positive and negative plates.
• the external power supply device is connected to cause the heating sheet to generate heat and atomize the liquid medium at the bottom of the atomization core 20 to form an atomization surface.
• the housing 3 is sleeved on the upper seat body 11 and the lower seat body 10, a liquid storage chamber 4 is defined between the housing 3 and the upper seat body 11, and the housing 3 and the lower seat
• the bodies 10 are snap-fitted and fitted.
• a clamping portion 118 is provided on the side wall of the lower base 10 to cooperate with the clamping hole on the housing 3 so as to sleeve and fix the housing 3 on the lower base 10.
• a second air outlet channel 30 connected to the first air outlet channel 21 of the atomization assembly 2 is also provided in the housing 3, and the two form a complete air outlet channel.
• the flue gas delivery channel of the present invention includes an air inlet channel 100, an air inlet hole 111, a diversion channel 113, an air flow collecting cavity 112, a first air outlet channel 21, and a second air outlet channel 30 that are connected in sequence.
• the atomizer may further include a sealing member 5, one end of the sealing member 5 is embedded in the first air outlet channel 21 of the atomizing assembly 2, and is connected to the wall at the middle of the bottom wall 110 of the upper seat 11 114 abuts, that is, abuts against the wall 114 forming the airflow collecting cavity 112, and communicates with the airflow collecting cavity 112.
• the other end of the sealant 5 is sleeved on the top of the atomization core 20, and is connected to the second air outlet channel 30 of the housing 3 by inserting and conducting air, and defines a liquid suction groove 51 between the inner wall surface of the upper seat body 11 and the atomization
• the core 20 sucks the liquid medium in the liquid storage cavity 4 through the liquid suction groove 51.
• the sealing member 5 is a soft material.
• the airflow when the user sucks, after the air enters through the air inlet, the airflow is guided through the guide channel to flow along the atomization surface for a certain distance, and the mixture of air and the mist overflowing from the atomization surface is collected in the The airflow converges in the cavity and is then led out to maximize the amount of smoke brought out, increase the amount of smoke brought out by each puff, and improve the satisfaction of the smoker.
• the present application guides the airflow to flow along the atomization surface for a certain distance through the guide channel, and then fully mixes the air with the mist that overflows from the atomization surface, and then collects it in the airflow collection chamber and then leads it out, which can also minimize condensate.
• the formation of this prevents users from inhaling condensate and enhances the user’s experience.
• the atomizer includes a liquid storage chamber 4 for storing liquid, and a ventilation channel connecting the liquid storage chamber 4 with the outside.
• the ventilating passage includes: an air inlet 63 communicating with the outside, a cavity 61 communicating with the air inlet 63, and a ventilating groove communicating the cavity 61 and the liquid storage chamber 4.
• the liquid chamber is connected to the outside world to replenish air for the liquid storage chamber, realize gas-liquid balance, and make the liquid in the liquid storage chamber more smooth.
• the cavity 61 is a ring or a part of a ring.
• the end of the cavity 61 close to the gas exchange groove 62 has capillary force.
• the cavity 61 is close to the exchange
• One end of the gas tank 62 locks the liquid by capillary force, which realizes the liquid lock in the resting state, and also realizes the recovery and utilization of the leaked liquid at the end of the cavity 61 close to the gas exchange tank 62 in the suction state.
• the atomizer further includes an atomizing core 20.
• the cavity 61 may be a closed loop, or a segment or segmented ring.
• the cavity 61 surrounds or partially surrounds the atomizing core 20, so as to make full use of the space.
• the cavity 61 is a closed loop.
• the cavity 61 gradually narrows toward the ventilation groove 62, so that the end of the cavity 61 close to the ventilation groove 62 has capillary force.
• the longitudinal cross section of the cavity 61 is in an inverted V shape.
• the atomizer may include an atomization seat 1, an atomization assembly 2 installed in the atomization seat 1, and an atomization seat 1 sleeved on the battery device mechanically and electrically. ⁇ 3 ⁇ On the shell 3.
• a liquid storage cavity 4 for storing liquid medium is defined between the atomization seat 1 and the housing 3.
• the atomization assembly 2 is connected to the liquid storage cavity 4 for liquid conduction, and an atomization cavity is defined between the atomization seat 1 and the atomization cavity is used to heat the atomized medium after the atomization assembly 2 is energized to mix with the outside air .
• the cavity 61 is enclosed by the inner wall of the housing 3 and a part of the outer wall of the atomization seat 1.
• the cavity 61 may also be formed inside the atomization seat 1, and the atomization seat 1 and the housing 3 are immediately sleeved to form an air inlet 63 communicating with the cavity 61.
• the top of 1 is provided with a ventilating groove 62 communicating with the liquid storage chamber 4.
• the atomization seat 1 in this embodiment includes a lower seat body 10 for mechanically and electrically connecting with the battery device, and an upper seat body 11 embedded on the top of the lower seat body 10 ,
• the upper base 11 is used to carry the atomization assembly 2.
• the housing 3 is sleeved on the upper seat body 11 and the lower seat body 10, a liquid storage chamber 4 and a ventilation channel are defined between the housing 3 and the upper seat body 11, and the housing 3 and the lower seat body 10 are snap-fitted.
• the upper seat body 11 includes an outer peripheral surface
• the housing 3 includes an inner peripheral surface corresponding to the upper seat body 11
• the ventilation passage includes the outer peripheral surface of the upper seat body 11 and the inner peripheral surface of the housing 3.
• a cavity 61 is defined along the peripheral surface, at least one ventilation groove 62 opened on the upper seat 11 or the housing 3, and at least one air inlet 63 opened on the housing 3.
• the ventilating tank 62 communicates with the liquid storage chamber 4 and the cavity 61
• the air inlet 63 communicates with the cavity 61 and the outside.
• the air pressure inside the atomization cavity is negative, and it enters the atomization cavity from the air inlet channel 100, and the control circuit activates the heating plate to atomize the liquid medium adsorbed in the porous ceramic body.
• the liquid medium of the porous ceramic body is reduced.
• the porous ceramic body sucks oil from the liquid storage cavity 4, and then continues to atomize.
• the liquid medium in the liquid storage chamber 4 decreases, and the gas space increases.
• the air pressure of the liquid storage chamber 4 is excessively negative.
• the air enters the cavity 61 from the air inlet 63 of the housing, and then enters the liquid storage chamber through the air exchange tank 62 4. Realize gas-liquid balance, so that the speed of the liquid is matched with the speed of the liquid medium being atomized.
• the upper part of the upper seat body 11 includes a rounded truncated cone-shaped outer circumferential surface
• the housing 3 includes a cylindrical inner circumferential surface
• the middle of the upper seat body 11 is provided with a ring shape
• the boss 116, the top of the rounded truncated cone-shaped outer circumferential surface and the outer circumferential surface of the boss 116 respectively abut against the cylindrical inner circumferential surface to form a cavity 61 that gradually narrows toward the ventilation groove 62, and its longitudinal cross-section is upwardly narrow Lower width.
• a in Figures 8a-8c is the adsorption amount of the smoke liquid adsorbed on the top of the inverted V shape under different circumstances, specifically:
• Fig. 8a shows that when the internal pressure of the liquid storage chamber 4 is the same as the external pressure in the resting state, the e-liquid forms an oil film at the ventilating groove 62 to generate tension to achieve liquid lock and be in a vapor-liquid equilibrium state.
• Figure 8b shows that when the external environment changes in the resting state, for example, there is external negative pressure, and the internal pressure of the liquid storage chamber 4 is greater than the external pressure, the smoke liquid further leaks from the ventilation slot 62 to the cavity 61, because the cavity 61 is Inverted V-shaped structure, so the e-liquid is drawn by the maximum capillary force and tension at the gap between the center of the cavity 61, thereby achieving the liquid locking function.
• the lower the capillary force and the tension the less the e-liquid will be drawn until the tension is cut off. At this time, a small part of the e-liquid will stay on the boss 116, and the e-liquid will be prevented from flowing out of the air inlet 63 through the boss 116.
• Figure 8c shows that when the liquid medium in the liquid storage chamber 4 is reduced, the gas space increases, and the air pressure in the liquid storage chamber 4 is excessively negative, when the internal pressure of the liquid storage chamber 4 is less than the external pressure, the external pressure breaks through and changes.
• the tension of the e-liquid at the air groove 62 causes external air to enter the liquid storage chamber 4 to complete the ventilation operation.
• the e-liquid adsorbed on the top of the inverted V shape can be squeezed back into the liquid storage chamber 4, so as to realize the recovery and utilization of the leaked liquid.
• the ventilating groove 62 is opened on the upper seat 11 or the housing 3 where the top of the rounded cone-shaped outer circumferential surface abuts with the cylindrical inner circumferential surface.
• the ventilating groove 62 is opened on the upper seat 11 where the top of the rounded cone-shaped outer circumferential surface abuts the cylindrical inner circumferential surface.
• the groove depth of the ventilating groove 62 is gradually reduced toward the cavity 61, and the ventilating groove 61 is small enough to have capillary force.
• the size of the opening at the top of the ventilation groove 61 is 1.0 mm*0.3 mm.
• the air inlet 63 and the ventilation groove 62 are arranged up and down, and are staggered in the circumferential direction.
• the air inlet 63 and the ventilation groove 62 are designed to be arranged opposite to each other in the circumferential direction, and the liquid medium enters the air inlet from the ventilation groove 62
• the 63 outflow requires a half-round distance to flow, so the outflow of smoke liquid can be avoided to the greatest extent.
• the atomizer further includes at least one buckle hole opened on the housing 3, at least one buckle portion 118 that is provided on the atomizer seat 1 and buckled with the buckle hole, and is connected to the liquid storage
• the ventilating passage communicated with the cavity 4; the ventilating passage is also communicated with the outside through at least one clamping hole.
• an air inlet gap may be formed between the snap hole and the buckle portion 118, and the air exchange channel is communicated with the outside through the air inlet gap.
• a hole may be opened at the buckle portion 118 as an air inlet hole. , The ventilation channel communicates with the outside through the air inlet hole.
• the card hole can be used as the air inlet 63 of the ventilation channel, thereby reducing the number of holes on the housing, improving the aesthetics, and improving the user experience.
• the clamping portion 118 of the lower base 10 is clamped to the air inlet 63 to form an air inlet gap, and the air inlet gap communicates with the cavity 61.
• an air inlet groove 62 communicating with the cavity 61 may be opened at the boss 116, and the air inlet groove 62 is connected to the air inlet 63 or The air intake gap is connected.
• the invention designs a gas exchange channel, including: an air inlet, which is connected to the outside; a cavity, which communicates with the air inlet; and a gas exchange groove, which communicates the cavity and the liquid storage cavity, thereby realizing the connection of the liquid storage cavity with the outside world It can supply air to the liquid storage cavity, realize gas-liquid balance, and make the liquid in the liquid storage cavity more smooth.
• the cavity is a ring or a part of a ring, and one end of the cavity close to the ventilation groove has capillary force, and at the same time, liquid lock in the resting state and liquid leakage recovery in the suction state are realized.
• the present invention also constructs an electronic atomization device in which the atomizer and the battery device are integrated. All the above-mentioned embodiments are applicable to the embodiment of the integrated electronic atomization device.
• the atomization device includes all the above-mentioned implementation methods of the atomizer, which will not be repeated here.

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• Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Anesthesiology (AREA)
• Biomedical Technology (AREA)
• Heart & Thoracic Surgery (AREA)
• Hematology (AREA)
• Life Sciences & Earth Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
• Electrostatic Spraying Apparatus (AREA)

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• 2019
  • 2019-12-26 CN CN201911367819.0A patent/CN111011932A/zh active Pending
• 2020
  • 2020-09-11 JP JP2022527090A patent/JP7377356B2/ja active Active
  • 2020-09-11 WO PCT/CN2020/114846 patent/WO2021128957A1/zh active Application Filing

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