A low-noise and high-efficiency hair dryer

Abstract

The utility model relates to the technical field of hair dryers, and discloses a low-noise and high-efficiency hair dryer, including a hair dryer body, wherein a motor is arranged inside the hair dryer body near the rear side, a plurality of support rods are fixed to the outer wall of the motor, one end of the support rods is fixed to the inside of the hair dryer body, an exhaust fan is fixed to the output shaft of the motor, and a silencer assembly is arranged inside the hair dryer body, and the silencer assembly includes a cylindrical copper sleeve arranged inside the hair dryer body, and a plurality of cone copper sleeves are fixed inside the cylindrical copper sleeve. The utility model forms a special resonance cavity through the inner cavity of the cone copper sleeve and a filling block. When the noise sound wave enters the resonance cavity, it interacts with the air or structure in the cavity to produce a resonance effect, thereby achieving noise silencing treatment of the noise, thereby ensuring that the temperature of the hot air blown out by the hair dryer body meets the standard, and also effectively reducing the noise generated by the collision of the airflow with the cone copper sleeve and the cone copper sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of hair dryers, in particular to a low-noise and high-efficiency hair dryer. Background Art

[0002] A hair dryer is generally composed of a group of heating wires and a small high-speed fan. The motor directly drives the rotor to drive the fan blades to rotate. When the fan blades rotate, air is sucked in from the air inlet, and the centrifugal airflow formed is then blown out from the nozzle. When power is turned on, the heating wire will generate heat, and the wind blown out by the fan passes through the heating wire to form hot air.

[0003] An existing high-efficiency silent hair dryer (Announcement No.: CN219699275U) has the following defects: the above-mentioned device generates heat by adopting the principle of electromagnetic induction, heats the copper body and then the copper body heats the airflow, which can improve the heating efficiency. However, since the copper body is a hollow structure, the airflow at the center of the copper body is not heated well, resulting in uneven heating, resulting in the temperature of the hot air blown out not meeting the standard, which will affect the use effect of the hair dryer. For this reason, the present utility model is proposed. Utility Model Content

[0004] The utility model aims to solve the problems existing in the prior art and provides a low-noise and high-efficiency hair dryer.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A low-noise and high-efficiency hair dryer comprises a hair dryer main body, wherein a motor is arranged inside the hair dryer main body near the rear side, a plurality of support rods are fixed to the outer wall of the motor, one end of the support rods is fixed to the inside of the hair dryer main body, an exhaust fan is fixed to the output shaft of the motor, a silencer assembly is arranged inside the hair dryer main body, the silencer assembly comprises a cylindrical copper sleeve arranged inside the hair dryer main body, a plurality of conical copper sleeves are fixed inside the cylindrical copper sleeve, the plurality of conical copper sleeves are arranged inside the cylindrical copper sleeve in a circular array, and a ventilation hole is formed between two adjacent conical copper sleeves among the plurality of conical copper sleeves.

[0007] Preferably, a filling block is fixed inside the conical copper sleeve, a magnetic induction coil is provided on the outer wall of the cylindrical copper sleeve, an electromagnetic shielding coating is sprayed on the inner wall of the hair dryer body, a supporting copper rod is provided at the center of the cylindrical copper sleeve, and one end of several conical copper sleeves are fixed to the outer wall of the supporting copper rod.

[0008] Preferably, a ceramic lining is provided inside the hair dryer body, and the magnetic induction coil is fixed to the inner wall of the ceramic lining.

[0009] Preferably, ceramic rings are fixed to the outer wall of the ceramic lining near the front and rear ends, and the ceramic rings are fixed to the inner wall of the hair dryer body.

[0010] Preferably, an isolation grille is fixed to the inner wall of the hair dryer body near the rear end of the hair dryer body.

[0011] Preferably, a rubber sleeve is fixed to the outer wall of the handle of the hair dryer body.

[0012] The beneficial effects of the utility model are:

[0013] A magnetic induction coil is set to electromagnetically heat the cylindrical copper sleeve and the conical copper sleeve, so that the cylindrical copper sleeve and the conical copper sleeve rise rapidly, and then the exhaust fan is driven by the starting motor to generate airflow to blow through the ventilation holes, so that the airflow is effectively and evenly heated by the cylindrical copper sleeve and the conical copper sleeve, and the sound waves generated when the airflow passes through the ventilation holes penetrate into the conical copper sleeve adjacent to the ventilation holes, and a special resonance cavity is formed by the inner cavity of the conical copper sleeve and the filling block. When the sound wave enters the resonance cavity, it interacts with the air or structure in the cavity to produce a resonance effect, thereby achieving noise silencing treatment, thereby ensuring that the temperature of the hot air blown out by the hair dryer body meets the standard while effectively reducing the noise generated by the collision of the airflow with the conical copper sleeve and the conical copper sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional split structure proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the ceramic lining proposed in the utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the cone copper sleeve proposed by the utility model.

[0018] In the figure: 1. hair dryer body; 101. motor; 102. support rod; 103. exhaust fan; 2. cylindrical copper sleeve; 201. conical copper sleeve; 202. ventilation hole; 203. filling block; 204. magnetic induction coil; 205. electromagnetic shielding coating; 206. support copper rod; 3. ceramic lining; 301. ceramic ring; 4. isolation grille; 5. rubber sleeve. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Please see attached Figure 1 -Attached Figure 4 A low-noise and high-efficiency hair dryer comprises a hair dryer body 1, wherein a motor 101 is arranged inside the hair dryer body 1 near the rear side, a plurality of support rods 102 are fixed to the outer wall of the motor 101, one end of the support rods 102 is fixed to the inside of the hair dryer body 1, an exhaust fan 103 is fixed to the output shaft of the motor 101, a silencer assembly is arranged inside the hair dryer body 1, the silencer assembly comprises a cylindrical copper sleeve 2 arranged inside the hair dryer body 1, a plurality of conical copper sleeves 201 are fixed inside the cylindrical copper sleeve 2, the plurality of conical copper sleeves 201 are arranged inside the cylindrical copper sleeve 2 in a circular array, and a ventilation hole 202 is formed between two adjacent conical copper sleeves 201 among the plurality of conical copper sleeves 201.

[0022] In the embodiment, a filling block 203 is fixed inside the conical copper sleeve 201, and the filling block 203 can be made of sponge or plastic. A magnetic induction coil 204 is arranged on the outer wall of the cylindrical copper sleeve 2, and an electromagnetic shielding coating 205 is sprayed on the inner wall of the hair dryer body 1. A supporting copper rod 206 is arranged at the center of the cylindrical copper sleeve 2, and one end of several conical copper sleeves 201 are fixed to the outer wall of the supporting copper rod 206. The cylindrical copper sleeve 2 and the conical copper sleeve 201 are electromagnetically heated by setting the magnetic induction coil 204, so that the cylindrical copper sleeve 2 and the conical copper sleeve 201 are quickly raised, and then the exhaust fan 1 is driven by starting the motor 101. 03 generates airflow to blow through the ventilation hole 202, so that the airflow is effectively heated by the cylindrical copper sleeve 2 and the conical copper sleeve 201. The sound waves generated when the airflow passes through the ventilation hole 202 penetrate into the conical copper sleeve 201 adjacent to the ventilation hole 202, and a special resonance cavity is formed by the inner cavity of the conical copper sleeve 201 and the filling block 203. When the sound wave enters the resonance cavity, it interacts with the air or structure in the cavity to produce a resonance effect, thereby achieving noise reduction. While ensuring that the temperature of the hot air blown out by the hair dryer body 1 meets the standard, the noise generated by the impact of the airflow and the conical copper sleeve 201 and the conical copper sleeve 201 is also effectively reduced.

[0023] In an embodiment, a ceramic lining 3 is provided inside the hair dryer body 1, and the magnetic induction coil 204 is fixed to the inner wall of the ceramic lining 3. Through the setting and use of the ceramic lining 3, the magnetic induction coil 204 can be prevented from generating electromagnetic induction to the hair dryer body 1 or the internal metal structure, and at the same time, the heat generated by the cylindrical copper sleeve 2 and the conical copper sleeve 201 can be isolated.

[0024] In an embodiment, ceramic rings 301 are fixed to the outer wall of the ceramic lining 3 near the front and rear ends, and the ceramic rings 301 are fixed to the inner wall of the hair dryer body 1. Through the setting and use of the ceramic rings 301, a cavity is formed between the ceramic lining 3 and the inner wall of the hair dryer body 1, thereby further reducing the noise transmitted from the inside of the hair dryer body 1.

[0025] In the embodiment, an isolation grille 4 is fixed to the inner wall of the hair dryer body 1 near the rear end of the hair dryer body 1. The setting and use of the isolation grille 4 prevents large external objects from being sucked into the hair dryer body 1 when the hair dryer body 1 is started.

[0026] In the embodiment, a rubber sleeve 5 is fixed to the outer wall of the handle of the hair dryer body 1 . The rubber sleeve 5 is soft and has a large friction coefficient, so that the staff can better hold the handle of the hair dryer body 1 .

[0027] Working principle: When in use, the cylindrical copper sleeve 2 and the conical copper sleeve 201 are electromagnetically heated by starting the magnetic induction coil 204, so that the cylindrical copper sleeve 2 and the conical copper sleeve 201 rise rapidly, and then the motor 101 is started to drive the exhaust fan 103 to generate airflow to blow through the ventilation hole 202. At this time, the airflow collides with the cylindrical copper sleeve 2 and the conical copper sleeve 201 to generate noise. At this time, the sound waves of the noise enter the inner cavity of the conical copper sleeve 201 and cooperate with the filling block 203 to form a special resonance cavity, and interact with the air or structure in the cavity to produce a resonance effect, thereby achieving noise silencing treatment, and through the setting and use of the ceramic lining 3 , which can prevent the magnetic induction coil 204 from generating electromagnetic induction on the hair dryer body 1 or the internal metal structure, and at the same time can isolate the heat generated by the cylindrical copper sleeve 2 and the conical copper sleeve 201. Through the setting and use of the ceramic ring 301, a cavity is formed between the ceramic lining 3 and the inner wall of the hair dryer body 1, which further reduces the noise transmitted from the inside of the hair dryer body 1. Through the setting and use of the isolation grille 4, large external objects are prevented from being sucked into the inside of the hair dryer body 1 when the hair dryer body 1 is started. The rubber sleeve 5 is soft in texture and has a large friction coefficient, so that the staff can better hold the handle of the hair dryer body 1.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A low-noise and high-efficiency hair dryer, comprising a hair dryer body (1), characterized in that: A motor (101) is arranged inside the hair dryer body (1) near the rear side, a plurality of support rods (102) are fixed to the outer wall of the motor (101), one end of the support rods (102) is fixed to the inside of the hair dryer body (1), an exhaust fan (103) is fixed to the output shaft of the motor (101), a silencer assembly is arranged inside the hair dryer body (1), the silencer assembly comprises a cylindrical copper sleeve (2) arranged inside the hair dryer body (1), a plurality of conical copper sleeves (201) are fixed inside the cylindrical copper sleeve (2), the plurality of conical copper sleeves (201) are arranged inside the cylindrical copper sleeve (2) in a circular array, and a ventilation hole (202) is formed between two adjacent conical copper sleeves (201) among the plurality of conical copper sleeves (201).

2. A low-noise and high-efficiency hair dryer according to claim 1, characterized in that: A filling block (203) is fixed inside the conical copper sleeve (201), a magnetic induction coil (204) is arranged on the outer wall of the cylindrical copper sleeve (2), an electromagnetic shielding coating (205) is sprayed on the inner wall of the hair dryer body (1), a supporting copper rod (206) is arranged at the center of the cylindrical copper sleeve (2), and one end of each of the conical copper sleeves (201) is fixed to the outer wall of the supporting copper rod (206).

3. A low-noise and high-efficiency hair dryer according to claim 2, characterized in that: A ceramic lining (3) is provided inside the hair dryer body (1), and the magnetic induction coil (204) is fixed to the inner wall of the ceramic lining (3).

4. A low-noise and high-efficiency hair dryer according to claim 3, characterized in that: Ceramic rings (301) are fixed to the outer wall of the ceramic lining (3) near the front and rear ends, and the ceramic rings (301) are fixed to the inner wall of the hair dryer body (1).

5. A low-noise and high-efficiency hair dryer according to claim 4, characterized in that: An isolation grille (4) is fixed to the inner wall of the hair dryer body (1) near the rear end of the hair dryer body (1).

6. A low-noise and high-efficiency hair dryer according to claim 5, characterized in that: A rubber sleeve (5) is fixed to the outer wall of the handle of the hair dryer body (1).

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