CN211910531U

CN211910531U - Battery pack and electronic cigarette

Info

Publication number: CN211910531U
Application number: CN201922346998.1U
Authority: CN
Inventors: 周相辰; 徐中立; 李永海
Original assignee: Shenzhen FirstUnion Technology Co Ltd
Current assignee: Shenzhen FirstUnion Technology Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-11-13
Anticipated expiration: 2029-12-24

Abstract

The utility model provides a battery pack and electron cigarette, battery pack include the casing and set up flexible line way board, battery, sensor and electrode in the casing, the flexible line way board includes first district section and the second district section that is connected, the first district section extends along the length direction of battery and is connected with this battery electricity, the second district section includes relative first side and the second side that sets up, the second side sets up towards a terminal surface of battery, the sensor is installed on the second side; the electrode is connected to the first side surface and is used for forming electric connection with the atomization assembly; wherein, the second section is provided with a vent hole which penetrates between the first side surface and the second side surface and is used for communicating fluid to the inside of the sensor. The utility model can place the battery with larger capacity without fixing parts by a plurality of brackets; in addition, block the tobacco tar of revealing through the flexible line way board, reduce the probability that the tobacco tar flows into in the sensor to can improve the life of electron cigarette.

Description

Battery pack and electronic cigarette

Technical Field

The utility model relates to an electron cigarette technical field especially relates to a battery pack and electron cigarette.

Background

Electronic cigarettes are attracting more and more attention and favored as cigarette substitutes due to the advantages of safety, convenience, health, environmental protection and the like. Referring to fig. 7, the conventional electronic cigarette generally includes an atomizing assembly 10 'and a battery assembly 20' for supplying power to the atomizing assembly 10 ', the atomizing assembly 10' includes a first electrode 11 ', an atomizing core 12', a ventilation pipe 13 ', and an oil storage chamber 14' for storing the smoke, the ventilation pipe 13 'is inserted in the oil storage chamber 14', the atomizing core 12 'includes an oil absorbing member and a heating element, and the heating element is connected to the first electrode 11' through a wire to achieve electrical connection.

The battery assembly 20 ' includes a first support 21 ', a second support 22 ', a second electrode 23 ', a battery 24 ', a controller 25 ' for controlling the battery 24 ' to supply power to the heating element, and a sensor 26 ' for detecting the smoking action of the user, the first support 21 ' is located between the second support 22 ' and the atomizing assembly 10 ', and the second electrode 23 ' is elastically abutted to the first electrode 11 '. The sensor 26 'is mounted on the first bracket 21' and connected to the controller 25 'through a wire, and the controller 25' is connected to the battery 24 'and the second electrode 23' through a wire to achieve electrical connection. A battery 24 'is mounted on the second bracket 22' to power the heating element.

When the sensor 26 'detects that the user smokes, the sensor 26' sends a trigger signal to the controller 25 ', the controller 25' controls the battery 24 'to supply power to the heating element, when the heating element generates heat, the tobacco oil in the oil absorbing piece is atomized to generate aerosol, and the aerosol flows out through the ventilation pipe 13', so that the effect of simulating the tobacco smoke is achieved. However, since the components in the battery pack 20 'are connected to each other by wires for signal transmission, the wires are messy and inconvenient to assemble, and the battery pack 20' is mounted with parts by a plurality of brackets, the length of the battery pack 20 'is long, which is disadvantageous for mounting a large-capacity battery 24'.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a battery pack and electron cigarette convenient to assembly and do benefit to dress large capacity battery.

In a first aspect, the present invention provides a battery assembly for forming an electronic cigarette in combination with an atomizing assembly, including a housing and a flexible circuit board, a battery, a sensor and an electrode disposed in the housing, wherein the flexible circuit board includes a first section and a second section that are connected to each other, the first section extends along a length direction of the battery and is electrically connected to the battery, the second section includes a first side surface and a second side surface that are disposed opposite to each other, the second side surface is disposed facing an end surface of the battery, and the sensor is mounted on the second side surface; the electrode is connected to the first side surface and used for forming electric connection with the atomization assembly; wherein, the second section is provided with a vent hole which penetrates between the first side surface and the second side surface and is used for communicating fluid to the inside of the sensor.

Preferably, the battery pack further comprises a bracket, the bracket is accommodated in the shell and defines a first accommodating cavity which is spaced from the shell and used for receiving the atomization assembly matched with the battery pack, and a second accommodating cavity used for accommodating the battery and the flexible circuit board.

Preferably, the support is provided with a gas passing channel, and the gas passing channel is communicated with the vent hole and the first accommodating cavity.

Preferably, the first section is substantially perpendicular to the second section.

Preferably, the flexible printed circuit further comprises a third section, the third section and the second section are located at two ends opposite to the first section, and the third section is provided with a charging contact portion which is used for being in conductive contact with an external charger.

Preferably, the third section is substantially perpendicular to the first section, the second section is disposed opposite to the third section, and the battery is accommodated between the second section and the third section.

Preferably, the battery assembly further comprises a first reinforcement member coupled to the second section, and the bracket further comprises a first positioning groove; at least a portion of the second section and at least a portion of the first reinforcement are received within the first detent.

Preferably, the battery assembly further comprises an elastic member, and the bracket further comprises a mounting groove communicated with the first positioning groove; the battery is at least partially accommodated in the mounting groove, a first end of the elastic piece is elastically abutted with the second section, and a second end of the elastic piece is elastically abutted with the battery.

Preferably, the bracket further comprises a second positioning groove, and the mounting groove is located between the first positioning groove and the second positioning groove; the flexible circuit board further comprises a third section, the third section and the second section are located at two ends opposite to the first section, the first end of the third section is connected with the first section, and the second end of the third section is at least partially located in the second positioning groove.

Preferably, the battery assembly further includes a second reinforcement member coupled to the third section, the second reinforcement member being at least partially received within the second positioning groove.

Preferably, the support still includes the hole of charging, charge the hole with the second constant head tank is linked together, the third section is including the contact portion that charges, the contact portion that charges with the position in hole of charging is corresponding.

Preferably, the battery pack further comprises a magnetic part fixed at one end of the support back to the electrode, and the magnetic part is connected with the charger in a magnetic way.

In a second aspect, the present invention further provides an electronic cigarette, which includes an atomizing assembly and a battery assembly for supplying power to the atomizing assembly, wherein the battery assembly is any one of the above first aspect.

The utility model discloses following beneficial effect has: the utility model discloses a cooperation between flexible line way board, battery, sensor and the electrode, the first district section of flexible line way board extends along the length direction of battery and is connected with this battery electricity, the second side of second district section sets up towards a terminal surface of battery, the sensor is installed on the second side, the electrode is connected in on the first side, need not the wire and carry out signal connection, therefore overall structure is succinct, compact, the assembly of being convenient for; in addition, the battery holder can be used for fixing parts without a plurality of brackets, and a battery with larger capacity can be placed under the condition of unchanged volume compared with the prior art; finally, because the flexible circuit board includes the air vent, the sensor with the position of air vent corresponds to through the air vent sensing smoking action, therefore block the tobacco tar of revealing through the flexible circuit board, reduce the probability that the tobacco tar flows into in the sensor, thereby can improve the life of electron cigarette.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a perspective view of a battery pack according to a preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view of the battery assembly shown in FIG. 1;

FIG. 3 is an exploded view of the battery assembly shown in FIG. 1;

FIG. 4 is a perspective view of a bracket of the battery assembly shown in FIG. 1;

fig. 5 is a perspective view of a partial structure of the battery module shown in fig. 1;

figure 6 is a perspective view of an electronic cigarette provided in yet another embodiment;

figure 7 is a perspective view of a prior art electronic cigarette.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 6, the present invention provides a battery assembly 10 for forming an electronic cigarette by combining with an atomizing assembly 20, including a housing 1, a bracket 2, a flexible printed circuit board 3, a battery 4, a first reinforcement 5, a second reinforcement 6, an elastic member 7 and a sensor 8, wherein both ends of the housing 1 are open, the wall of the housing 1 has an air inlet 11, and the air inlet 11 is communicated with the inner space of the housing 1 to guide external air into the battery assembly 10. The Flexible Printed Circuit Board (Flexible Printed Circuit Board) is called a "Flexible Board" for short, and is commonly called an FPC.

The support 2 is accommodated in the housing 1, the support 2 and the housing 1 define a first accommodating cavity 30 which is spaced from each other and is used for receiving the atomization assembly 20 matched with the battery assembly 10, and a second accommodating cavity 40 which is used for accommodating the battery 4 and the flexible circuit board 3, specifically, a first end of the housing 1 and a first end of the support 2 define the first accommodating cavity 30, and the atomization assembly 20 is inserted into the first accommodating cavity 30 in use. The first pot head of support 2 is equipped with and is used for sealing first sealing member 91 who holds chamber 30, sealing member 91 with the inner wall elasticity butt of casing 1, sealing member 91 has through-hole 911, the drill way department of through-hole 911 is towards first holding chamber 30 internal extension is formed with annular butt ring 912, butt ring 912 be used for with atomization component 20 butt. The abutting ring 912 has a through hole 913 communicating with the first accommodating chamber 30, and when smoking, the external air flow enters the first accommodating chamber 30 through the air inlet hole 11, then passes through the through hole 913 from the first accommodating chamber 30, and finally flows into the atomizing assembly 20.

The support 2 comprises a mounting groove 21, a first positioning groove 22, a second positioning groove 23 and a charging hole 24, the mounting groove 21 is located between the first positioning groove 22 and the second positioning groove 23, the first positioning groove 22 and the second positioning groove 23 are respectively located at two opposite ends of the support 2, the mounting groove 21 is communicated with the first positioning groove 22, and the second positioning groove 23 is communicated with the mounting groove 21. The first end of the bracket 2 further comprises a fixing hole 25 and a gas passing channel 26, the fixing hole 25 and the gas passing channel 26 are both communicated with the first accommodating cavity 30, and the charging hole 24 is located at the second end of the bracket 2 and is communicated with the second positioning groove 23.

The flexible printed circuit board 3 is disposed in the housing 1 and mounted on the bracket 2, and the flexible printed circuit board 3 and the sensor 8 are located at a side of the sealing member 91 facing away from the first accommodating chamber 30, so that not only can the sensitivity of the sensor 8 be improved, but also even if the smoke is leaked in the first accommodating chamber 30, the leaked smoke is not easy to flow into the sensor 8. The flexible printed circuit 3 includes a first section 3A, a second section 3B and a third section 3C, the first section 3A extends along the length direction of the battery 4 and is electrically connected with the battery 4, the first section 3A and the second section 3B are substantially perpendicular to each other and are connected with each other, that is, the first section 3A and the second section 3B are perpendicular to each other or form an included angle close to 90 °, so that the leaked smoke oil can be better blocked from flowing into the sensor 8. The second section 3B is connected to the bracket 2, and the second section 3B and the third section 3C are respectively located at two opposite ends of the first section 3A.

The second section 3B includes a first side P1, a second side P2, and a vent hole 31 penetrating between the first side P1 and the second side P2 for communicating fluid to the inside of the sensor 8, wherein the first side P1 is disposed opposite to the second side P2, and the second side P2 faces the end face of the battery 4. The vent hole 31 corresponds to the through hole 911 and the air passing channel 26, and is communicated with the through hole 911 and the air passing channel 26. A first end of the third section 3C is connected to the first section 3A and a second end of the third section 3C is connected to the holder 2. The third section 3C is substantially perpendicular to the first section 3A, that is, the third section 3C is perpendicular to the first section 3A or forms an included angle close to 90 °, the second section 3B and the third section 3C are located at two opposite ends of the first section 3A, the second section 3B is opposite to the third section 3C, the second end of the third section 3C is at least partially located in the second positioning groove 23, the third section 3C has a charging contact portion, and the charging contact portion is used for electrically conducting contact with an external charger, that is, when charging, the charger is in contact with the charging contact portion.

The part of the second section 3B of the flexible circuit board 3 and the part of the first reinforcing part 5 are accommodated in the first positioning groove 22, and the first reinforcing part 5 is connected with the flexible circuit board 3 to fix the first end of the flexible circuit board 3, so that the problem of unreliable fixation of the flexible circuit board 3 can be avoided. It is understood that the second section 3B of the flexible printed circuit 3 may be partially or completely received in the first positioning groove 22, and the first reinforcing member 5 may be partially or completely received in the first positioning groove 22, and may be disposed according to the requirement, and is not limited specifically herein.

The third section 3C of the flexible printed circuit 3 is received in the second positioning groove 23, that is, the two ends of the flexible printed circuit 3 are positioned by the first positioning groove 22 and the second positioning groove 23, respectively, so that the reliability can be improved. The second reinforcing member 6 is connected to the third section 3C of the flexible printed circuit board 3 and is received in the second positioning groove 23, and the third section 3C of the flexible printed circuit board 3 is fixed by the second reinforcing member 6, so that the problem of unreliable fixing of the flexible printed circuit board 3 can be avoided. The part of the flexible circuit board 3 between the first positioning groove 22 and the second positioning groove 23 is located in the mounting groove 21. A controller (not shown in the figure) is welded on the flexible circuit board 3 and is used for controlling the battery 4 to supply power to the atomization assembly 20 according to the trigger signal sent by the sensor 8.

It is understood that the third section 3C of the flexible printed circuit board 3 may be partially or completely received in the second positioning groove 23, and the second reinforcing member 6 may be partially or completely received in the second positioning groove 23, and may be disposed according to the requirement, and is not limited specifically herein. In this embodiment, the first reinforcing member 5 and the second reinforcing member 6 are bonded to the flexible wiring board 3. In some embodiments, the first reinforcing member 5 and the second reinforcing member 6 may be connected to the flexible printed circuit board 3 by soldering, and are not limited in this respect. Therefore, as long as the first reinforcement 5 is connected to the second section 3B and the second reinforcement 6 is connected to the third section 3C, the connection manner is not particularly limited. The first reinforcement 5 and the second reinforcement 6 may be made of a metal plate, a non-metal plate, or the like.

The battery 4 is connected with the flexible circuit board 3 in a welding way and is accommodated in the mounting groove 21. Specifically, the battery 4 is disposed on the first section 3A and connected to the first section 3A, the tab 41 of the battery 4 is located at an end of the mounting groove 21 facing away from the first accommodating cavity 30, the tab 41 is connected to the flexible printed circuit 3 by welding and electrically connected to the sensor 8 and the controller, and the battery 4 is accommodated between the second section 3B and the third section 3C. The charging contact portion 32 corresponds to the position of the charging hole 24, and the charging contact portion 32 is electrically connected to the battery 4.

The bracket 2 is fixed with a magnetic part 92 and an electrode 93, the magnetic part 92 is located at one end of the bracket 2 opposite to the electrode 93, and the magnetic part 92 is used for magnetically attracting the charger. The magnetic element 92 may be a magnet, or a magnetic material made of iron, cobalt, nickel, or the like. During charging, the magnetic element 92 is magnetically connected to the charger, and the charging electrode of the charger penetrates through the charging hole 24 and contacts with the charging contact portion 32, so that the battery 4 can be charged.

The electrode 93 is fixed on the support 2 through the fixing hole 25 and is connected with the flexible circuit board 3 in a welding mode, and the electrode 93 is used for being electrically connected with the atomization assembly 20. Specifically, the electrode 93 is connected to the first side surface P1 of the second section 3B, and the electrode 93 and the elastic member 7 are respectively located at two opposite sides of the first end of the flexible printed circuit board 3, so that the probability of poor contact caused by deformation of the flexible printed circuit board 3 can be reduced.

The first end of the elastic member 7 elastically abuts against the second section 3B of the flexible printed circuit board 3, and the second end of the elastic member 7 elastically abuts against the battery 4, so that not only the battery 4 but also the flexible printed circuit board 3 can be reliably fixed. In the present embodiment, the number of the elastic members 7 is two, and the two elastic members 7 are spaced apart and made of an Ethylene Vinyl Acetate Copolymer (EVA) material. It is understood that the elastic member 7 may be made of silicon rubber or the like, and is not limited thereto.

The sensor 8 is connected with the flexible circuit board 3 in a welding mode and used for sensing smoking actions through the vent hole 31. The sensor 8 may be an airflow sensor 8, an air pressure sensor 8, or the like, as long as it can sense the smoking action of the user, and is not particularly limited herein. In this embodiment, the sensor 8 is located corresponding to the position of the vent hole 31 and connected to the second side P2 of the second section 3B, i.e. the sensor 8 is mounted on the second side P2 and located between the battery 4 and the first receiving cavity 30, so that the sensitivity of smoking is improved, i.e. the sensor 8 can quickly detect when a user smokes.

In this embodiment, the sensor 8 is welded at the first end of the flexible printed circuit board 3 and electrically connected to the controller, the sensor 8 is a differential pressure sensor 8, and compared with the capacitive airflow sensor 8, the differential pressure sensor 8 can also work better when wetted by smoke oil, thereby improving reliability. In addition, the differential pressure sensor 8 can also output different signals according to different external atmospheric pressure thresholds, so that different powers can be output according to different suction forces of a user during smoking to obtain different smoke amounts, and user experience can be improved.

The battery assembly 10 further includes a vent pipe 94, the vent pipe 94 is received in the bracket 2 and abuts against the second section 3B, the position of the vent pipe 94 corresponds to the positions of the vent hole 31 and the air passing channel 26, and the inner space of the vent pipe 94 is communicated with the vent hole 31 and the first accommodating cavity 30. By providing the vent tube 94, the sensor 8 can better sense the air pressure change in the first accommodating cavity 30, so that the detection sensitivity can be improved.

Referring to fig. 5, the present invention further provides an electronic cigarette, which includes an atomizing assembly 20 and a battery assembly 10 for supplying power to the atomizing assembly 20, wherein the battery assembly 10 is the above-mentioned battery assembly 10. Since the atomizing assembly 20 is prior art, it will not be described in detail herein. Since the battery pack 10 of the electronic cigarette is the battery pack 10, the battery pack 10 of the electronic cigarette also has the above-mentioned advantageous effects.

To sum up, the utility model discloses a cooperation between flexible line way board 3, battery 4, sensor 8 and electrode 93, first district's section 3A of flexible line way board 3 extends along the length direction of battery 4 and is connected with this battery 4 electricity, second side P2 of second district's section 3B sets up towards a terminal surface of battery 4, sensor 93 is installed on second side P2, electrode 93 connect in first side P1, need not the wire and carry out signal connection, therefore overall structure is succinct, compact, the assembly of being convenient for; in addition, the battery holder can be used for fixing parts without a plurality of brackets, and a battery with larger capacity can be placed under the condition of unchanged volume compared with the prior art; finally, because the flexible circuit board 3 comprises the vent hole 31, the sensor 8 corresponds to the position of the vent hole 31, and the smoking action is sensed through the vent hole 31, the leaked tobacco tar is blocked through the flexible circuit board 3, the probability of the tobacco tar flowing into the sensor 8 is reduced, and the service life of the electronic cigarette can be prolonged.

It should be noted that the preferred embodiments of the present invention are shown in the specification and the drawings, but not limited to the embodiments described in the specification, and further, it will be apparent to those skilled in the art that modifications and variations can be made in the above description and all such modifications and variations should fall within the scope of the appended claims.

Claims

1. A battery assembly is used for being combined with an atomization assembly to form an electronic cigarette and is characterized by comprising a shell, a flexible circuit board, a battery, a sensor and an electrode, wherein the flexible circuit board is arranged in the shell and comprises a first section and a second section which are connected with each other, the first section extends along the length direction of the battery and is electrically connected with the battery, the second section comprises a first side surface and a second side surface which are oppositely arranged, the second side surface faces one end surface of the battery, and the sensor is arranged on the second side surface; the electrode is connected to the first side surface and used for forming electric connection with the atomization assembly; wherein, the second section is provided with a vent hole which penetrates between the first side surface and the second side surface and is used for communicating fluid to the inside of the sensor.

2. The battery assembly of claim 1, further comprising a cradle received within the housing and defining a first receiving cavity spaced from the housing for receiving a mating atomization assembly for the battery assembly, and a second receiving cavity for receiving the battery and flexible circuit board.

3. The battery pack of claim 2, wherein the bracket defines a vent passage, the vent passage communicating with the vent hole and the first receiving cavity.

4. The battery assembly of any of claims 1-3, wherein the first section is substantially perpendicular to the second section.

5. The battery assembly of any of claims 1-3, wherein the flexible circuit board further comprises a third section, the third section and the second section being located at opposite ends of the first section, the third section having a charging contact portion for making conductive contact with an external charger.

6. The battery assembly of claim 5, wherein the third segment is substantially perpendicular to the first segment, the second segment is positioned opposite the third segment, and the battery is received between the second segment and the third segment.

7. The battery assembly of claim 2 or 3, further comprising a first reinforcement member coupled to the second section, the bracket further comprising a first detent groove; at least a portion of the second section and at least a portion of the first reinforcement are received within the first detent.

8. The battery pack of claim 7, wherein the battery pack further comprises an elastic member, and the bracket further comprises a mounting groove, the mounting groove being in communication with the first positioning groove; the battery is at least partially accommodated in the mounting groove, a first end of the elastic piece is elastically abutted with the second section, and a second end of the elastic piece is elastically abutted with the battery.

9. The battery pack of claim 8, wherein the bracket further comprises a second detent, the mounting slot being located between the first detent and the second detent; the flexible circuit board further comprises a third section, the third section and the second section are located at two ends opposite to the first section, the first end of the third section is connected with the first section, and the second end of the third section is at least partially located in the second positioning groove.

10. The battery pack of claim 9 further comprising a second reinforcement member associated with the third section, the second reinforcement member being at least partially received within the second detent.

11. The battery pack of claim 10, wherein the bracket further includes a charging aperture in communication with the second positioning slot, and the third section includes a charging contact corresponding to a position of the charging aperture.

12. The battery pack of claim 11, further comprising a magnetic member fixed to an end of the holder facing away from the electrode for magnetically coupling with a charger.

13. An electronic cigarette comprising an atomizing assembly and a battery assembly for supplying power to the atomizing assembly, wherein the battery assembly is the battery assembly according to any one of claims 1 to 12.