Hair dryer

Patent metadata

Field	Value
Publication number	US-11026491-B2
Application number	US-201916418653-A
Country	US
Kind code	B2
Filing date	May 21, 2019
Priority date	May 31, 2017
Publication date	Jun 8, 2021
Grant date	Jun 8, 2021

Abstract

A hair dryer, including: a housing provided with an air intake and an air outlet, and having an air passage communicating the air intake with the air outlet; a fan installed in the air passage for discharging air from the air intake to the air outlet; and a water particle generator installed in the housing for providing water particles in a direction towards the air outlet; where an installing cavity for installing the water particle generator is provided in the housing, the installing cavity has a cold air passage connected to the air intake and a particle outlet for releasing the water particles, and when in operation of the hair dryer, cold air flowing through the cold air passage that carries the water particles generated by the water particle generator is blown out of the particle outlet.

First claim

What is claimed is:

1. A hair dryer, comprising:
a housing provided with an air intake and an air outlet, and wherein the air intake and the air outlet are communicated via an air passage;
a fan installed in the air passage for discharging air from the air intake to the air outlet; and
a water particle generator installed in the housing for providing water particles in a direction towards the air outlet,
wherein an installing cavity for installing the water particle generator is provided in the housing, the installing cavity has a cold air passage connected to the air intake and a particle outlet for releasing the water particles, and when the hair dryer is in operation, cold air flowing through the cold air passage that carries the water particles generated by the water particle generator is blown out of the particle outlet,
wherein the water particle generator further comprises a condensing rod, a refrigeration unit, a discharge electrode group and a high voltage power supply, wherein the high voltage power supply applies a high voltage to the discharge electrode group to make the discharge electrode group to generate a high voltage corona, and the discharge electrode group applies the high voltage corona to the condensing rod so as to form atomized water particles by condensed water attached to the condensing rod under an excitation of the high voltage corona, and
wherein the water particle generator further comprises an insulated bracket, and the discharge electrode group further comprises a first electrode and a second electrode, wherein the first electrode and the second electrode cooperate with each other, and are located on opposite sides of the condensing rod, the first electrode and the second electrode respectively comprise a connecting locking piece and a discharge tip, and the connecting locking piece is disposed on the insulated bracket and the insulated bracket is disposed on an insulated partition for insulating connecting locking pieces of the first electrode and the second electrode.

2. The hair dryer of claim 1 , wherein the discharge electrode group and the refrigeration unit are installed on both sides of the insulated bracket.

3. The hair dryer of claim 1 , wherein the refrigeration unit is in contact with the condensing rod for cooling the condensing rod, the refrigeration unit is further provided with a heat dissipation module, the heat dissipation module is integrally provided with the refrigeration unit, and the heat dissipation module is disposed away from the condensing rod.

4. The hair dryer of claim 3 , wherein the water particle generator further comprises a cooling fin, the cooling fin is in contact with the heat dissipation module, and the cooling fin extends in a direction away from the condensing rod.

5. The hair dryer of claim 1 , wherein the air passage is provided with a cylindrical heating rack, and a periphery of the cylindrical heating rack is surrounded by a thermal insulation rack.

6. The hair dryer of claim 1 , wherein the installing cavity is located above the air passage, and the particle outlet and the air outlet are provided on a same plane.

7. The hair dryer of claim 1 , wherein the housing comprises a head and a handle, the head is a cylinder, and two ends of the cylinder are the air intake and the air outlet.

8. A method of manufacturing a hair dryer, comprising:
providing a housing comprising an air intake and an air outlet, and wherein the air intake and the air outlet are communicated via an air passage;
installing a fan in the air passage for discharging air from the air intake to the air outlet;
installing a water particle generator in the housing for providing water particles in a direction towards the air outlet;
providing an installing cavity for installing the water particle generator in the housing, wherein the installing cavity has a cold air passage connected to the air intake and a particle outlet for releasing the water particles, and when in operation of the hair dryer, cold air flowing through the cold air passage that carries the water particles generated by the water particle generator is blown out of the particle outlet;
providing a condensing rod, a refrigeration unit, a discharge electrode group and a high voltage power supply for the water particle generator;
when in operation of the hair dryer, applying a high voltage by the high voltage power supply to the discharge electrode group to make the discharge electrode group to generate a high voltage corona, and applying the high voltage corona by the discharge electrode group to the condensing rod so as to form atomized water particles by condensed water attached to the condensing rod under an excitation of the high voltage corona;
providing an insulated bracket with the water particle generator;
providing a first electrode and a second electrode with the discharge electrode group, wherein the first electrode and the second electrode cooperate with each other, and are located on opposite sides of the condensing rod;
providing a connecting locking piece and a discharge tip respectively with the first electrode and the second electrode; and
providing an insulated partition, wherein the connecting locking piece is disposed on the insulated bracket and the insulated bracket is disposed on the insulated partition for insulating connecting locking pieces of the first electrode and the second electrode.

9. The method of claim 8 , further comprising:
installing the discharge electrode group and the refrigeration unit on both sides of the insulated bracket.

10. The method of claim 8 , wherein the refrigeration unit is in contact with the condensing rod for cooling the condensing rod, the refrigeration unit is further provided with a heat dissipation module, the heat dissipation module is integrally provided with the refrigeration unit, and the heat dissipation module is disposed away from the condensing rod.

11. The method of claim 10 , further comprising:
providing a cooling fin with the water particle generator wherein the cooling fin is in contact with the heat dissipation module, and the cooling fin extends in a direction away from the condensing rod.

12. The method of claim 8 , further comprising:
providing a cylindrical heating rack with the air passage; and
surrounding a periphery of the cylindrical heating rack using a thermal insulation rack.

13. The method of claim 8 , wherein the installing cavity is located above the air passage, and the particle outlet and the air outlet are provided on a same plane.

14. The method of claim 8 , further comprising:
providing a head and a handle with the housing, wherein the head is a cylinder, and two ends of the cylinder are the air intake and the air outlet.

Assignees

• Leshow Electronic Tech Co Ltd
• Beijing Xiaomi Mobile Software Co Ltd
• Beijing Xiaomi Mobile Software Co Lted

Inventors

• Xiao Zhaoxian

Classifications

• A45D20/20

  Helmets without hot air supply or other ventilation, e.g. electrically heated · CPC title

• A45D20/10 Primary

  Hand-held drying devices, e.g. air douches · CPC title

• B05B5/057

  Arrangements for discharging liquids or other fluent material without using a gun or nozzle · CPC title

• A45D20/12 Primary

  Details thereof or accessories therefor, e.g. nozzles, stands · CPC title

• B05B5/1691

  Apparatus to be carried on or by a person or with a container fixed to the discharge device · CPC title