Neck-hung fan

Abstract

The utility model discloses a neck-hanging fan which comprises a neck-hanging support and a fan body. The air outlet assembly is assembled on the neck hanging support; the air duct structure is arranged on the neck hanging support or the air outlet assembly and comprises an air inlet, an airflow channel and an air outlet, and air circulation is achieved between the air inlet and the air outlet through the airflow channel; the negative ion generator is arranged on the neck hanging support or the air outlet assembly and provided with a negative ion emitting head, and the discharging end of the negative ion emitting head is located in the airflow channel. Firstly, the negative-ion generator is used for increasing direct-current low voltage to direct-current negative high voltage, the negative-ion emission head generates high corona to ionize air, negative ions escape from the air flow channel, then the air outlet assembly is used for achieving air convection between the air inlet and the air outlet, and the negative ions located in the air flow channel are diffused to indoor space. Therefore, the concentration of negative ions in the air is increased, the function of purifying the air is achieved, and more use requirements can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of neck-hanging fans, in particular to a neck-hanging fan. Background Art

[0002] The neck-hanging fan is hung on the user's neck and can move with the user and free the user's hands. It is suitable for warehouses, kitchens, and outdoors.

[0003] In the prior art, the neck hanging fan has a single function and is difficult to meet more usage requirements. Utility Model Content

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the utility model aims to provide a neck hanging fan.

[0005] To achieve the above purpose, the technical solution of the utility model is as follows:

[0006] A neck hanging fan, comprising:

[0007] halter neck support;

[0008] An air outlet component is assembled on the neck bracket;

[0009] An air duct structure, provided on the neck bracket or the air outlet component, comprises an air inlet, an air flow channel and an air outlet, wherein the air inlet realizes air circulation with the air outlet through the air flow channel;

[0010] The negative ion generator is arranged on the neck bracket or the air outlet component, and has a negative ion emission head, and the discharge end of the negative ion emission head is located in the air flow channel.

[0011] Preferably, the air duct structure and the negative ion generator are both arranged on the air outlet assembly; the neck hanging bracket comprises:

[0012] The first bracket is U-shaped and has a first conductive structure at its end;

[0013] A first power supply component is arranged on the first bracket and is electrically connected to the first conductive structure; the air outlet component has a second conductive structure, and the second conductive structure is detachably connected to the first conductive structure, thereby realizing electrical connection or disconnection between the air outlet component and the negative ion generator and the first power supply component.

[0014] Preferably, the air outlet assembly includes:

[0015] A hollow cylinder, wherein the air outlet is a first air outlet provided at one end of the hollow cylinder, and the air inlet is a second air outlet provided at the other end of the hollow cylinder;

[0016] A first assembly platform is provided in the inner cavity of the hollow cylinder and is capable of forming the air flow channel with its inner wall, and the first air outlet realizes air convection with the second air outlet through the air flow channel;

[0017] A first fan blade is arranged at one end of the first assembly platform close to the second air outlet;

[0018] The negative ion cabin is detachably fixed to one end of the first assembly platform close to the first air outlet, and a communicating slot and a through hole are provided at the inner end. The negative ion generator is adapted to the slot, and the discharge end of the negative ion emission head passes through the through hole, and its end extends to the side close to the first air outlet.

[0019] Preferably, it also includes:

[0020] A high voltage line, which can pass through the through hole, has an input end electrically connected to the negative ion generator, and an output end connected to the negative ion emission head;

[0021] A first power supply line, wherein a lead hole is provided on the first assembly platform, an input end is electrically connected to the first power supply component through the second conductive structure, and an output end is electrically connected to the negative ion generator.

[0022] Preferably, it also includes:

[0023] A first brushless motor is disposed on the first assembly platform, and an output end of the motor is drivingly connected to the first fan blade;

[0024] The second power supply line has an input end passing through the lead hole and electrically connected to the first power supply component through the second conductive structure, and an output end electrically connected to the first brushless motor.

[0025] Preferably, the first conductive structure includes:

[0026] A first magnet, disposed at an end of the first bracket;

[0027] A first conductive surface, provided at an end of the first bracket and electrically connected to the first power supply assembly;

[0028] The second conductive structure comprises:

[0029] A second magnet is disposed on the outer side of the hollow cylinder and can be magnetically coupled with the first magnet;

[0030] A second conductive surface is provided on the outer side of the hollow cylinder and is electrically connected to the first power supply line and the second power supply line;

[0031] When the first magnet and the second magnet are magnetically engaged, the first conductive surface can be in contact with the second conductive surface.

[0032] Preferably, the air duct structure and the negative ion generator are both arranged on the neck hanging bracket; the neck hanging bracket comprises:

[0033] A first shell, wherein the air inlet is a third air outlet provided at the bottom of the first shell, the air outlet is a plurality of fourth air outlets arranged along the length direction of the first shell, and the air flow channel is opened in the first shell;

[0034] A second shell having the same structure as the first shell;

[0035] A neck-hanging shell, one end of which is connected to the top of the first shell, and the other end of which is connected to the top of the second shell;

[0036] Wherein, the air outlet assembly is disposed on both the first shell and the second shell, and the negative ion generator is disposed on the second shell.

[0037] Preferably, it also includes:

[0038] Two assembly blocks, one is arranged in the first shell, and the other is arranged in the second shell; an assembly groove is provided; the negative ion generator is adapted to the assembly groove of the assembly block located in the second shell;

[0039] two batteries, one disposed in the first housing and the other disposed in the second housing;

[0040] A PCBA board is arranged on the assembly groove of the assembly block of the first housing, the two batteries are electrically connected to the PCBA board respectively, and the air outlet assembly and the negative ion generator are electrically connected to the PCBA board respectively;

[0041] Preferably, it also includes:

[0042] A high-voltage wire is arranged in the second shell, the assembly block on the second shell is provided with a notch for fixing the high-voltage wire, one end of the high-voltage wire is electrically connected to the negative ion generator, the other end passes through the air flow channel through the notch, and the end thereof is located on the third air outlet, and the negative ion generating head is arranged at one end of the high-voltage wire close to the third air outlet;

[0043] The third power supply line, the neck hanging shell is a hollow structure, one end is electrically connected to the input end of the negative ion generator, and the other end passes through the neck hanging shell and the first shell, and is electrically connected to the PCBA board.

[0044] Preferably, it also includes:

[0045] Two second assembly platforms, one is arranged on the first shell, and the other is arranged on the second shell; the air outlet assembly comprises second blades and a second brushless motor corresponding to the second assembly platforms one by one, and the output end of the brushless motor is drivingly connected to the second blades;

[0046] Two fourth power supply lines, one is located in the first shell and is electrically connected to the PCBA board, and the other is located in the second shell and passes through the neck shell and the first shell and is electrically connected to the PCBA board, for supplying power to the second brushless motor.

[0047] The beneficial effects of the utility model are as follows: first, a negative ion generator is used to increase a DC low voltage to a DC negative high voltage, and a negative ion emission head generates a high corona to ionize the air, releasing a large number of electrons which are captured by oxygen molecules in the air to form negative ions, which escape from the air flow channel. Then, an air outlet component is used to enable air convection between the air inlet and the air outlet, and the negative ions located in the air flow channel are diffused into the indoor space, thereby increasing the concentration of negative ions in the air and realizing the function of purifying the air, which is conducive to meeting more usage needs and broadening the application scenarios of neck hanging fans. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 This is a schematic diagram of the structure of Example 1 of the present utility model;

[0049] Figure 2 It is a schematic longitudinal section diagram of Example 1 of the present utility model;

[0050] Figure 3 This is a schematic diagram of the structure of Example 2 of the present utility model;

[0051] Figure 4 This is a left side perspective of the exploded view of the components of Example 2 of the present utility model;

[0052] Figure 5 This is the right side perspective of the component exploded view of Example 2 of the present utility model.

[0053] As shown in the figure:

[0054] 1-neck bracket, 11-first bracket, 111-first conductive structure, 112-first power supply component, 12-first shell, 13-second shell, 14-neck shell, 15-assembly block, 151-assembly groove, 16-battery, 17-PCBA board, 18-second assembly table;

[0055] 2-air outlet assembly, 21-second conductive structure, 22-hollow cylinder, 221-first assembly platform 221, 222-first fan blade, 223-negative ion cabin, 2231-slot, 2232-perforation, 23-second fan blade;

[0056] 3- air duct structure, 31- air inlet 31, 32- air flow channel, 33- air outlet;

[0057] 4- negative ion generator, 41- high voltage line, 42- third power supply line. DETAILED DESCRIPTION

[0058] The following is a detailed explanation of the implementation of the present invention in conjunction with the accompanying drawings. The accompanying drawings are for reference and illustration only and do not constitute a limitation on the scope of patent protection of the present invention.

[0059] Example 1

[0060] See also Figure 1-Figure 2 In this embodiment, a neck hanging fan includes:

[0061] halter neck support;

[0062] An air outlet component 2 is assembled on the neck bracket;

[0063] The air duct structure 3 includes an air inlet 31, an air flow channel 32 and an air outlet 33, wherein the air inlet 31 realizes air circulation with the air outlet 33 through the air flow channel 32;

[0064] The negative ion generator 4 has a negative ion emission head, and the discharge end of the negative ion emission head is located in the air flow channel 32.

[0065] The working principle of this embodiment is as follows: first, the negative ion generator 4 is used to increase the DC low voltage (DC 5V) to the DC negative high voltage (DC-2.9~-3.4KV), and the negative ion emitter generates high corona to ionize the air, releasing a large number of electrons that are captured by oxygen molecules in the air to form negative ions, which escape from the air flow channel 32, and then the air outlet component 2 is used to make the air inlet 31 and the air outlet 33 realize air convection, diffuse the negative ions located in the air flow channel 32 into the indoor space, and then increase the concentration of negative ions in the air. The concentration of negative ions that can be generated by this embodiment is: (2.2~2.6)×10 6 PCS / cm 3 .

[0066] Preferably, the air duct structure 3 and the negative ion generator 4 are both arranged on the air outlet component 2; the neck hanging bracket includes:

[0067] The first bracket 11 is U-shaped and has a first conductive structure 111 at its end;

[0068] The first power supply component 112 is arranged on the first bracket 11 and is electrically connected to the first conductive structure 111; the air outlet component 2 has a second conductive structure 21, and the second conductive structure 21 is detachably connected to the first conductive structure 111, thereby realizing the electrical connection or disconnection between the air outlet component 2 and the negative ion generator 4 and the first power supply component 112.

[0069] Preferably, the air outlet component 2 includes:

[0070] The hollow cylinder 22, the air outlet 33 is a first air outlet provided at one end of the hollow cylinder 22, and the air inlet 31 is a second air outlet provided at the other end of the hollow cylinder 22;

[0071] The first assembly platform 221 is disposed in the inner cavity of the hollow cylinder 22 and can form the air flow channel 32 with its inner wall, and the first air outlet realizes air convection with the second air outlet through the air flow channel 32;

[0072] A first fan blade 222 is provided at one end of the first assembly platform 221 close to the second air outlet;

[0073] The negative ion cabin 223 is detachably fixed to one end of the first assembly platform 221 close to the first air outlet, and a communicating slot 2231 and a through hole 2232 are provided at the inner end. The negative ion generator 4 is adapted to the slot 2231, and the discharge end of the negative ion emission head passes through the through hole 2232, and its end extends to the side close to the first air outlet.

[0074] In this embodiment, the negative ion capsule 223 is in the form of a cover, and the inner end is fixed to the first assembly platform 221 by a buckle; the detachable assembly of the hollow cylinder 22 and the first bracket 11 is used to facilitate the storage of the product.

[0075] Preferably, it also includes:

[0076] A high voltage line can pass through the through hole 2232, with an input end electrically connected to the negative ion generator 4, and an output end connected to the negative ion emission head;

[0077] The first power supply line has a lead hole on the first assembly platform 221 , an input end is electrically connected to the first power supply component 112 through the second conductive structure 21 , and an output end is electrically connected to the negative ion generator 4 .

[0078] Preferably, it also includes:

[0079] A first brushless motor is disposed on the first assembly platform 221, and an output end thereof is drivingly connected to the first fan blade 222;

[0080] The second power supply line has an input end passing through the lead hole and electrically connected to the first power supply component 112 through the second conductive structure 21 , and an output end electrically connected to the first brushless motor.

[0081] Preferably, the first conductive structure 111 includes:

[0082] A first magnet is disposed at an end of the first bracket 11;

[0083] A first conductive surface, provided at an end of the first bracket 11 and electrically connected to the first power supply component 112;

[0084] The second conductive structure 21 includes:

[0085] A second magnet is disposed on the outer side of the hollow cylinder 22 and can be magnetically matched with the first magnet;

[0086] A second conductive surface is provided on the outer side of the hollow cylinder 22 and is electrically connected to the first power supply line and the second power supply line;

[0087] When the first magnet and the second magnet are magnetically coupled, the first conductive surface can be in contact with the second conductive surface. The first conductive surface and the second conductive surface are made of copper sheets, and the end of the first bracket 11 is fixed by encapsulation injection molding. The structure is simple and easy to disassemble and assemble.

[0088] In this embodiment, the negative ion generator 4 is also provided with a pulse oscillation circuit, which is used to boost the DC low voltage into DC negative high voltage through the high-voltage module, and output it to the negative ion generating head through the high-voltage line; the first power supply line includes: a positive power supply line and a negative power supply line, both of which are electrically connected to the negative ion generator 4 respectively.

[0089] In the present embodiment, the first brushless motor is used to drive the first fan blade 222 to realize turnover; specifically, the first fan blade 222 includes a main body and a plurality of blades arranged on the main body; further, the surfaces of the plurality of blades are coated with an antistatic coating. Since the blades will rub against the air when rotating and will carry static electricity on the blades, especially when the negative ion emitter head is working, the negative ions diffuse into the indoor space and will make the dust, pollen, dander and other particles in the air charged. The charged particles are easy to adhere to the statically charged blades, resulting in the cleaning frequency of the blades being higher than that of the blades of conventional fans. The present embodiment uses the antistatic coating to reduce the situation where charged particles adhere to the blades, which is beneficial to improving the cleanliness of the blades and reducing the cleaning frequency.

[0090] Example 2

[0091] The difference between this embodiment and embodiment 1 is that:

[0092] See also Figure 3-Figure 5In this embodiment, the air duct structure 3 and the negative ion generator 4 are both arranged on the neck hanging bracket 1; the neck hanging bracket 1 includes:

[0093] The first shell 12, the air inlet 31 is a third air outlet provided at the bottom of the first shell 12, the air outlet 33 is a plurality of fourth air outlets arranged along the length direction of the first shell 12, and the air flow channel 32 is opened in the first shell 12;

[0094] The second shell 13 has the same structure as the first shell 12;

[0095] A neck-hanging shell 14, one end of which is connected to the top of the first shell 12, and the other end of which is connected to the top of the second shell 13;

[0096] The air outlet assembly 2 is disposed on both the first shell 12 and the second shell 13 , and the negative ion generator 4 is disposed on the second shell 13 .

[0097] In this embodiment, the neck-hanging shell 14 is made of silicone, which is conducive to improving wearing comfort. The two ends are connected to the first shell 12 and the second shell 13 by screws respectively. The first shell 12 and the second shell 13 - the neck-hanging shell 14 are symmetric axes, and the structure is a mirror-image design.

[0098] Preferably, it also includes:

[0099] Two assembly blocks 15, one is arranged in the first shell 12, and the other is arranged in the second shell 13; an assembly groove 151 is opened; the negative ion generator 4 is adapted to the assembly groove 151 of the assembly block 15 located in the second shell 13;

[0100] Two batteries 16, one is disposed in the first housing 12, and the other is disposed in the second housing 13;

[0101] A PCBA board 17 is disposed on the assembly groove 151 of the assembly block 15 of the first housing 12, the two batteries 16 are electrically connected to the PCBA board 17, and the air outlet assembly 2 and the negative ion generator 4 are electrically connected to the PCBA board 17;

[0102] Preferably, it also includes:

[0103] The high-voltage wire 41 is arranged in the second shell 13. The assembly block 15 on the second shell 13 is provided with a notch for fixing the high-voltage wire 41. One end of the high-voltage wire 41 is electrically connected to the negative ion generator 4, and the other end passes through the air flow channel 32 through the notch, and the end thereof is located on the third air outlet. The negative ion generating head is arranged at one end of the high-voltage wire 41 close to the third air outlet;

[0104] The third power supply line 42 , the neck hanging shell 14 is a hollow structure, one end of which is electrically connected to the input end of the negative ion generator 4 , and the other end passes through the neck hanging shell 14 , the first shell 12 , and is electrically connected to the PCBA board 17 .

[0105] In this embodiment, it also includes a fixed glue position, which is formed on the second assembly platform 18 of the second shell 13. The negative ion generating head is a carbon brush head. The fixed glue position is provided with a socket adapted to the carbon brush head to reduce the swinging of the high-voltage wire 41 in the air flow channel 32 when the air is discharged. The position of the carbon brush head is fixed by the fixed glue position, which is beneficial to improve the safety of use.

[0106] Preferably, it also includes:

[0107] Two second assembly platforms 18, one is arranged on the first housing 12, and the other is arranged on the second housing 13; the air outlet assembly 2 includes second blades 23 and a second brushless motor corresponding to the second assembly platforms 18 one by one, and the output end of the brushless motor is drivingly connected to the second blades 23;

[0108] Two fourth power supply lines, one is located in the first shell 12 and is electrically connected to the PCBA board 17, and the other is located in the second shell 13 and passes through the neck shell 14 and the first shell 12 and is electrically connected to the PCBA board 17, for powering the second brushless motor.

[0109] The above disclosure is only a preferred embodiment of the present invention, which cannot be used to limit the scope of protection of the present invention. Therefore, equivalent changes made within the scope of the patent application of the present invention are still within the scope covered by the present invention.

Claims

1. A neck hanging fan, characterized in that: include: halter neck support; An air outlet component is assembled on the neck bracket; An air duct structure, provided on the neck bracket or the air outlet component, comprises an air inlet, an air flow channel and an air outlet, wherein the air inlet realizes air circulation with the air outlet through the air flow channel; The negative ion generator is arranged on the neck bracket or the air outlet component, and has a negative ion emission head, and the discharge end of the negative ion emission head is located in the air flow channel.

2. The neck hanging fan according to claim 1, characterized in that: The air duct structure and the negative ion generator are both arranged on the air outlet assembly; the neck hanging bracket comprises: The first bracket is U-shaped and has a first conductive structure at its end; A first power supply component is disposed on the first bracket and is electrically connected to the first conductive structure; the air outlet component has a second conductive structure, and the second conductive structure is detachably connected to the first conductive structure, thereby realizing electrical connection or disconnection between the air outlet component and the negative ion generator and the first power supply component.

3. The neck hanging fan according to claim 2, characterized in that: The air outlet component comprises: A hollow cylinder, wherein the air outlet is a first air outlet provided at one end of the hollow cylinder, and the air inlet is a second air outlet provided at the other end of the hollow cylinder; A first assembly platform is provided in the inner cavity of the hollow cylinder and is capable of forming the air flow channel with its inner wall, and the first air outlet realizes air convection with the second air outlet through the air flow channel; A first fan blade is arranged at one end of the first assembly platform close to the second air outlet; The negative ion cabin is detachably fixed to one end of the first assembly platform close to the first air outlet, and a communicating slot and a through hole are provided at the inner end. The negative ion generator is adapted to the slot, and the discharge end of the negative ion emission head passes through the through hole, and its end extends to the side close to the first air outlet.

4. The neck hanging fan according to claim 3, characterized in that: Also includes: A high voltage line, which can pass through the through hole, has an input end electrically connected to the negative ion generator, and an output end connected to the negative ion emission head; A first power supply line, wherein a lead hole is provided on the first assembly platform, an input end is electrically connected to the first power supply component through the second conductive structure, and an output end is electrically connected to the negative ion generator.

5. The neck hanging fan according to claim 4, characterized in that: Also includes: A first brushless motor is disposed on the first assembly platform, and an output end of the motor is drivingly connected to the first fan blade; The second power supply line has an input end passing through the lead hole and electrically connected to the first power supply component through the second conductive structure, and an output end electrically connected to the first brushless motor.

6. The neck hanging fan according to claim 5, characterized in that: The first conductive structure comprises: A first magnet, disposed at an end of the first bracket; A first conductive surface, provided at an end of the first bracket and electrically connected to the first power supply assembly; The second conductive structure comprises: A second magnet is disposed on the outer side of the hollow cylinder and can be magnetically coupled with the first magnet; A second conductive surface is provided on the outer side of the hollow cylinder and is electrically connected to the first power supply line and the second power supply line; When the first magnet and the second magnet are magnetically engaged, the first conductive surface can be in contact with the second conductive surface.

7. The neck hanging fan according to claim 1, characterized in that: The air duct structure and the negative ion generator are both arranged on the neck hanging bracket; the neck hanging bracket comprises: A first shell, wherein the air inlet is a third air outlet provided at the bottom of the first shell, the air outlet is a plurality of fourth air outlets arranged along the length direction of the first shell, and the air flow channel is opened in the first shell; A second shell having the same structure as the first shell; A neck-hanging shell, one end of which is connected to the top of the first shell, and the other end of which is connected to the top of the second shell; Wherein, the air outlet assembly is disposed on both the first shell and the second shell, and the negative ion generator is disposed on the second shell.

8. The neck hanging fan according to claim 7, characterized in that: Also includes: Two assembly blocks, one is arranged in the first shell, and the other is arranged in the second shell; an assembly groove is provided; the negative ion generator is adapted to the assembly groove of the assembly block located in the second shell; two batteries, one disposed in the first housing and the other disposed in the second housing; A PCBA board is arranged on the assembly groove of the assembly block of the first shell, the two batteries are electrically connected to the PCBA board respectively, and the air outlet component and the negative ion generator are electrically connected to the PCBA board respectively.

9. The neck hanging fan according to claim 8, characterized in that: Also includes: A high-voltage wire is arranged in the second shell, the assembly block on the second shell is provided with a notch for fixing the high-voltage wire, one end of the high-voltage wire is electrically connected to the negative ion generator, the other end passes through the air flow channel through the notch, and the end thereof is located on the third air outlet, and the negative ion generating head is arranged at one end of the high-voltage wire close to the third air outlet; The third power supply line, the neck hanging shell is a hollow structure, one end is electrically connected to the input end of the negative ion generator, and the other end passes through the neck hanging shell and the first shell, and is electrically connected to the PCBA board.

10. The neck hanging fan according to claim 9, characterized in that: Also includes: Two second assembly platforms, one is arranged on the first shell, and the other is arranged on the second shell; the air outlet assembly comprises second blades and a second brushless motor corresponding to the second assembly platforms one by one, and the output end of the brushless motor is drivingly connected to the second blades; Two fourth power supply lines, one is located in the first shell and is electrically connected to the PCBA board, and the other is located in the second shell and passes through the neck shell and the first shell and is electrically connected to the PCBA board, for supplying power to the second brushless motor.

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