CN214711016U - Hair care hair dryer - Google Patents

Abstract

The utility model discloses a hair care hair-dryer, include the barrel of blowing integrative with the handle, the motor in the barrel of blowing, overlap in the insulating part of motor, locate heater strip and step-down silk on the insulating part, the blast fan of being connected with the motor shaft, and with the air outlet that connects a duckbilled form behind the barrel of blowing, the motor has the interval with the blast fan, the blast fan is the umbrella-type, the range has the curved surface fan blade below the canopy, the blast fan face is opened there is at least one louvre, step-down silk is in, the heater strip is outside, all be equipped with the insulating layer between insulating part surface and step-down silk and the heater strip. Through set up the louvre on the blast fan, the heat that the motor produced can in time be discharged to the life of extension motor, and, become the axial range upon range of form with the arrangement mode of heater strip and step-down silk, reduce the shared space of insulating part, set up the insulating layer simultaneously between insulating part surface and step-down silk and heater strip, in order to reduce the harm that the heat caused the motor.

Description

Hair care hair dryer

Technical Field

The utility model relates to an hairdryer technical field, more specifically the theory that says so, it relates to a hair care hair-dryer.

Background

The electric hair dryer, which is a necessary small-sized electric appliance in personal and family life, has been developed into various forms following the living needs of people. The existing hair dryer on the market basically adopts a high-power resistance wire as a heating element, and drives a fan blade to rotate through a motor so as to generate wind speed and blow hot air out of an air outlet of the hair dryer.

However, the fan blades are driven by the motor, heat generated by the motor cannot be timely and quickly discharged, the motor is easy to damage, and the service life of the motor is short. Chinese patent No. 201520412217.3 discloses a heating assembly for a hair dryer and a hair dryer, in which heating wires and voltage-reducing wires are wound around an insulating member for heating and voltage-reducing, but the heating wires and the voltage-reducing wires are arranged side by side along the axial direction of the insulating member, increasing the space occupied by the insulating member. Moreover, heat generated by the heating wire flows to the motor, which damages the motor and is not beneficial to long-term use of the motor.

Disclosure of Invention

An object of the utility model is to provide a hair care hair-dryer, through set up the louvre on the blast fan, the heat that the motor that can in time discharge produced, thereby the life of extension motor, and, become the axial range upon range of form with the arrangement of heater strip and step-down silk, the insulating part has been reduced, heater strip and the shared space of step-down silk, set up the insulating layer simultaneously between insulating part surface and step-down silk and heater strip, the heat that blocks the heater strip production flows to the motor direction, in order to reduce the harm that the heat caused the motor, be favorable to prolonging the life of motor.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a hair care hair-dryer, include the barrel of blowing integrative with the handle, the motor in the barrel of blowing, the outside insulating part of motor is located to the cover, install heater strip and step-down silk on the insulating part, the blast fan of being connected with the motor shaft, and connect the air outlet of duckbilled form behind the barrel of blowing, the motor has the interval with the blast fan, the blast fan is the umbrella-type, range has the curved surface fan blade below the canopy, at least one louvre is seted up to the blast fan face, heater strip and step-down silk are arranged around the motor circumference, the step-down silk is in, the heater strip is outside, all be equipped with the insulating layer between insulating part surface and step-down silk and the heater strip.

The heat generated during the operation of the motor is finally discharged through the air outlet of the blower through the heat dissipation holes on the blowing fan surface, thereby being beneficial to prolonging the service life of the motor. The size, shape and number of the heat dissipation holes are not limited. The heating wire plays a heating role and generates heat after being electrified. The voltage reduction wire plays a role in reducing voltage, is connected with the motor in series to reduce voltage supplied to the motor, and is connected with the heating wire in parallel. Through setting up the step-down silk in, the heater strip is outside, is set up side by the axial and becomes the range upon range of setting of axial, on the one hand, has reduced insulating part, heater strip and the shared space of step-down silk, and the motor is kept away from to on the other hand heater strip, avoids the heat of production to produce the harm to the motor. Be equipped with the insulating layer between step-down silk and the heater strip to and all cladding insulating layer in the insulating part surface area that exposes under the heater strip heat, the heat that stops the heater strip production flows to the motor direction, reduces the harm that the heat produced the motor, is favorable to prolonging the life of motor. Of course, the heating wire is not limited to one layer, and may be provided with a plurality of layers, and the heat insulating layer is not limited to one layer, and may also be provided with a plurality of layers.

Preferably, the blowing fan surface is positioned below the umbrella cover, and the curved-surface fan blade is positioned between the umbrella cover and the blowing fan surface.

Preferably, the center of the blowing fan surface is provided with a shaft hole connected with the motor shaft, and when the number of the heat dissipation holes is more than two, the heat dissipation holes are distributed along the circumference of the shaft hole.

Preferably, when the number of the heat dissipation holes is more than two, the heat dissipation holes are distributed at equal intervals along the circumference of the shaft hole.

Preferably, the heat dissipation holes correspond to heat dissipation holes in the end portion of the motor. The end of the motor standard component is provided with a heat dissipation hole for heat dissipation, and the chassis is coaxial with the motor. That is to say, the circumference that fan blade louvre and motor tip louvre are located is the same circle, and like this, the heat that the motor produced is followed the straight line route and is discharged through the fan blade louvre from the tip louvre, and the heat dissipation is fast, and the radiating effect is good.

Preferably, the fan blades are arranged in a plurality of numbers, the fan blades are uniformly distributed in a vortex shape by taking the shaft hole as the center, and gaps are formed among the fan blades. The plurality of fan blades can generate stronger wind power when rotating at high speed.

Preferably, the height of the fan blades is increased and then decreased from the center of the blowing fan surface to the edge of the blowing fan surface along the radial direction. Therefore, the vibration of the fan blades is reduced, and the noise generated during rotation is effectively reduced.

Preferably, the fan blade comprises a front section and a rear section, the front section is a rising part, the rear section is a lowering part, and the inclination of the front section is greater than that of the rear section. The top surface of the front section is a smooth curved surface, and the top surface and the side surface of the rear section are sharp surfaces.

Preferably, the center of the umbrella cover is provided with a hole, the hole is provided with a flange, and the flange and the surface of the umbrella cover are in smooth curved surface transition. Smooth curved surface transition is adopted to reduce airflow resistance and enable wind to run more smoothly.

Preferably, the diameter of the hole is larger than the diameter of the circumference of the heat dissipation hole. The heat generated by the motor is discharged.

Preferably, the diameter of the canopy is greater than the diameter of the blower sector.

Preferably, the lower end face of the umbrella cover is provided with a clamping groove clamped with the rear section.

Preferably, the heating wire is a U-shaped heating wire, and the voltage reduction wire is a V-shaped heating wire.

Preferably, the insulating part is including the cavity cylinder of placeeing the motor, and the inserted sheet that radial radiation length differs outside the cylinder, the inserted sheet form the circumference of three not isocircular, from inside to outside in proper order is step-down layer, insulating layer and zone of heating, and step-down silk twines in step-down layer inserted sheet, and step-down silk and heater strip are parallelly connected, and the heater strip twines in the zone of heating inserted sheet. That is to say, the insulating part is as support piece installation step-down silk, insulating layer and heater strip, and the step-down layer is formed by the inserted sheet of constant diameter, and insulating layer and zone of heating are all so, and the footpath length of step-down layer, insulating layer and zone of heating increases in proper order. Wherein, the insulating part surface includes exposed areas such as cylinder outer wall, inserted sheet surface.

Preferably, the inserts of the pressure reduction layer, the heat insulation layer and the heating layer are distributed equidistantly and in a staggered manner. Namely, the inserting sheets of the pressure reducing layer are distributed at equal intervals, the inserting sheets of the heat insulation layer and the heating layer are also distributed, and the inserting sheets of the pressure reducing layer, the inserting sheets of the heat insulation layer, the inserting sheets of the heating layer and the inserting sheets of the pressure reducing layer are distributed in a staggered way along the circumference in sequence, so that mutual interference is avoided.

Preferably, the hair dryer is provided with a first temperature protection circuit, a second temperature protection circuit, a third temperature protection circuit and a control system, wherein the first temperature protection circuit is electrically connected with the control system, the second temperature protection circuit is connected in series with the voltage reduction wire, the third temperature protection circuit is connected in series with the heating wire, and the first temperature protection circuit, the second temperature protection circuit and the third temperature protection circuit are connected in series.

The first temperature protection circuit can collect the temperature of the heating wire and the voltage of the voltage reduction wire, provide the temperature and the voltage for the control system and control the connection between the heating wire, the voltage reduction wire and the power supply. The control system can control the connection states of the heating wires and the power supply and the voltage reduction wires and the power supply through the first temperature protection circuit according to the temperature of the heating wires and the voltage of the voltage reduction wires, and prevents overhigh temperature or overhigh voltage. The second temperature protection circuit is connected in series with the voltage-reducing wire and can cut off a loop where the voltage-reducing wire is located when the voltage of the voltage-reducing wire is greater than or equal to the target voltage. And the third temperature protection circuit is connected in series with the heating wire, and cuts off a loop where the heating wire is located when the voltage of the heating wire is greater than or equal to the target temperature. The second temperature protection circuit, the third temperature protection circuit and the first temperature protection circuit are mutually standby, so that the safety of the hair dryer can be further improved. The power supply may be a built-in power supply or an external power supply, for example, 220V commercial power.

Preferably, mica paper is used as the heat insulation layer. The mica paper has good heat insulation effect.

The utility model has the advantages that:

1. the heat dissipation holes arranged on the blowing fan can timely discharge the heat generated by the motor, thereby prolonging the service life of the motor.

2. The heater strip and the axial range upon range of setting of step-down silk, and step-down silk is in, the heater strip is outside, on the one hand, has reduced insulating part, heater strip and the shared space of step-down silk, and the motor is kept away from to on the other hand heater strip, avoids the heat of production to produce the harm to the motor.

3. The insulating layer is arranged on the surface of the insulating part and between the voltage reduction wire and the heating wire, the heat generated by the heating wire is blocked by the insulating layer to flow towards the direction of the motor, the damage of the heat to the motor is reduced, and the service life of the motor is prolonged.

4. The heat insulation layer is made of mica paper, and the mica paper has a good heat insulation effect.

Drawings

Figure 1 is a diagram of a blower configuration.

Fig. 2 is a view showing a structure of a blower fan.

Fig. 3 is a front view of the blower fan and motor connection.

Fig. 4 is a structural view of the blower fan face and the fan blade as a unit.

Fig. 5 is a structural view of the blower fan face and the fan blade as a unit.

FIG. 6 is a view of the construction of the canopy.

Fig. 7 is a schematic view of the flow of wind in the blowing cylinder.

Fig. 8 is a structural arrangement diagram of the motor, the insulating member, the pressure reducing wire, the heat insulating layer, and the heating wire.

FIG. 9 is a structural diagram of a heating wire or a pressure reducing wire wound on the insert sheet.

Fig. 10 is a circuit configuration diagram.

The labels in the figure are: the blowing fan comprises a motor 1, a motor shaft 11, a blowing fan 2, an umbrella cover 21, a clamping groove 211, a hole 212, a flange 213, a fan blade 22, a front section 221, a front section top surface 223, a rear section top surface 224, a side surface 225, a rear section 222, a heat dissipation hole 23, a blowing fan surface 24, a shaft hole 241, an insulating part 31, a heating wire 32, a pressure reducing wire 33, a heat insulation layer 34, an inserting piece 311, a handle 4 and a blowing barrel 5.

Detailed Description

The structures referred to in the present invention or these terms of art used are further described below. These illustrations are merely exemplary of how the present invention may be implemented and are not intended to limit the present invention in any way.

The present invention will be further described with reference to the accompanying drawings and the following detailed description. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constituted in a specific orientation, and be operated, and thus, are not to be construed as limitations of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the present invention, unless otherwise explicitly stated or limited, the terms "connected" and "fixed" are to be understood in a broad sense, for example, "fixed" may be a fixed connection, a detachable connection, or an integral part; either directly or indirectly through intervening media, or may be interconnected between two elements or in a relationship wherein the two elements interact, unless expressly limited otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-10, a hair care blower comprises a blowing barrel 5 integrated with a handle 4, a motor 1 in the blowing barrel 5, an insulating member 31 sleeved on the motor 1, a heating wire 32 and a pressure reducing wire 33 mounted on the insulating member 31, a blowing fan 2 connected with a motor shaft, and a duckbill air outlet connected with the rear of the blowing barrel 5, wherein the motor 1 and the blowing fan 2 have a gap, the blowing fan 2 is umbrella-shaped, curved blades 22 are arranged below the umbrella cover, at least one heat dissipation hole 23 is formed in the blowing fan 24, the heating wire 32 and the pressure reducing wire 33 are arranged around the circumference of the motor, the pressure reducing wire 33 is arranged inside, the heating wire 32 is arranged outside, and a heat insulation layer 34 is arranged between the surface of the insulating member 31 and the pressure reducing wire 33 and the heating wire 32.

When the blower is used, heat generated by the motor is finally discharged through the air outlet of the blower through the heat dissipation holes 23 on the blowing fan surface, and the service life of the motor is prolonged. The size, shape and number of the heat radiating holes 23 are not limited.

As shown in fig. 2, when the blowing fan 24 has a shaft hole 241 connected to the motor shaft 11 at the center thereof and there are two or more heat radiation holes 23, the heat radiation holes 23 are circumferentially distributed along the shaft hole 241. When the number of the heat dissipation holes 23 is two or more, the heat dissipation holes 23 are equidistantly arranged along the circumference of the shaft hole 241.

As shown in fig. 3, the blowing fan surface 24 is located below the canopy 21, and the curved fan blades 22 are located between the canopy 21 and the blowing fan surface 24. The heat dissipation holes 23 correspond to heat dissipation holes at the end of the motor. The motor standard piece is provided with heat dissipation holes for heat dissipation at the end part, and the blowing fan surface 24 is coaxial with the motor 1. That is to say, the circumference that the louvre on the fan blade and the louvre on the motor tip are located is the equator, and like this, the heat that the motor produced is followed the straight line route and is discharged through the fan blade louvre from the tip louvre, and the heat dissipation is fast, and the radiating effect is good.

As shown in fig. 4, a plurality of fan blades 22 are provided, the fan blades 22 are uniformly distributed in a vortex shape with the shaft hole 241 as a center, and gaps are provided between the fan blades 22. The plurality of blades 22 can generate stronger wind power when rotating at high speed.

As shown in fig. 4 and 5, the height of the fan blades 22 is increased and then decreased from the center of the blowing fan face 24 to the edge of the blowing fan face 24 in the radial direction. Therefore, the vibration of the fan blades is reduced, and the noise generated during rotation is effectively reduced. The fan blade 22 includes a front section 221 and a rear section 222, the front section 221 is a rising portion, the rear section 222 is a lowering portion, and the inclination of the front section 221 is greater than that of the rear section 222. The front section top surface 223 is a smooth curved surface and the rear section top surface 224 and the side surfaces 225 are both sharp surfaces.

As shown in fig. 6, the lower end surface of the umbrella cover 21 is provided with a clamping groove 211 clamped with the rear section 222. The umbrella cover 21 is erected on the fan blades 22 by clamping the clamping grooves 211 with the rear sections 222 of the fan blades. Can be disassembled and assembled, and is simple and quick to operate.

As shown in fig. 2 and 3, the center of the canopy 21 is provided with an aperture 212, the aperture 212 being provided with a flange 213, the flange 213 transitioning with a smooth curve in the surface of the canopy 21. The smooth curved surface transition is adopted to reduce the resistance of the airflow and ensure that the wind runs more smoothly. The diameter of the hole 212 is larger than the diameter of the circumference where the heat radiating hole 23 is located. The heat generated by the motor is discharged. The diameter of the canopy 21 is greater than the diameter of the blower face 24.

When the hair dryer is used, air enters the barrel from the air inlet of the air blowing barrel 5, passes through the heating wire 32, the heating wire 32 heats the air to form hot air, and finally the hot air flows out from the air outlet, which is shown in fig. 7. A step-down wire 33 is connected in series with the motor 1 to reduce the voltage supplied to the motor. Through setting up step-down silk 33 in, heater strip 32 is outside, see fig. 8, step-down silk 33 and heater strip 32 are set up by axial side by side and become the axial range upon range of setting, on the one hand, have reduced insulating part 31, heater strip 32 and the shared space of step-down silk 33, and on the other hand heater strip 32 is outside, keeps away from the motor, avoids the heat that produces to cause the harm to the motor. A heat insulation layer 34 is arranged between the voltage reduction wire 33 and the heating wire 32, and the surface area of the insulation member 31 exposed to the heat of the heating wire 32 is coated with the heat insulation layer 34, so that the heat generated by the heating wire is prevented from flowing towards the motor 1, the damage of the heat to the motor 1 is reduced, and the service life of the motor 1 is prolonged. Of course, the heater wire 32 is not limited to one layer, and may be provided in a plurality of layers, and the heat insulating layer 34 is not limited to one layer, and may also be provided in a plurality of layers.

As shown in fig. 8, the heating wire 32 is a U-shaped heating wire, and the voltage-reducing wire 33 is a V-shaped heating wire.

As shown in fig. 8 and 9, the insulating member 31 includes a hollow cylinder for placing the motor, and the insertion sheets 311 with different radial radiation lengths are arranged outside the cylinder, the insertion sheets 311 form three circles with different circumferences, and are sequentially provided with a voltage reduction layer, a heat insulation layer and a heating layer from inside to outside, the voltage reduction wire 33 is wound on the insertion sheets 311 of the voltage reduction layer, the voltage reduction wire 33 is connected with the heating wire 32 in parallel, and the heating wire 32 is wound on the insertion sheets 311 of the heating layer. That is, the insulation member 31 serves as a support member for mounting the pressure-reducing wire 33, the insulating layer 34 and the heating wire 32, the pressure-reducing layer is formed of the insertion pieces 311 having the same diameter, and the insulating layer 34 and the heating layer are all the same, and the diameter lengths of the pressure-reducing layer, the insulating layer and the heating layer are sequentially increased. Wherein, the surface of the insulating part 31 comprises exposed areas such as the outer wall of a cylinder, the surface of an insert and the like.

The insert sheets 311 of the pressure reduction layer, the heat insulation layer and the heating layer are distributed equidistantly and in a staggered manner. That is, the insert sheets 311 of the pressure reducing layer are distributed at equal intervals, the insert sheets of the heat insulating layer and the heating layer are distributed, and the insert sheets of the pressure reducing layer, the insert sheets of the heat insulating layer, the insert sheets of the heating layer and the insert sheets of the pressure reducing layer are distributed in a staggered way along the circumference in sequence, so that mutual interference is avoided.

As shown in fig. 10, the hair dryer is provided with a first temperature protection circuit, a second temperature protection circuit, a third temperature protection circuit and a control system, wherein the first temperature protection circuit is electrically connected with the control system, the second temperature protection circuit is connected in series with a voltage reduction wire 33, the third temperature protection circuit is connected in series with a heating wire 32, and the first temperature protection circuit, the second temperature protection circuit and the third temperature protection circuit are connected in series.

The first temperature protection circuit can collect the temperature of the heating wire 32 and the voltage of the voltage reduction wire 33, provide the temperature and the voltage to the control system and control the connection between the heating wire and the voltage reduction wire and the power supply. The control system can control the connection state of the heating wire and the power supply and the connection state of the voltage reduction wire and the power supply through the first temperature protection circuit according to the temperature of the heating wire and the voltage of the voltage reduction wire, so that overhigh temperature or overhigh voltage can be prevented. The second temperature protection circuit is connected in series to the voltage reducing wire 33, and can cut off a loop where the voltage reducing wire 33 is located when the voltage of the voltage reducing wire 33 is greater than or equal to the target voltage. The third temperature protection circuit is connected in series to the heating wire 32, and cuts off a loop in which the heating wire 32 is located when the voltage of the heating wire 32 is greater than or equal to the target temperature. The second temperature protection circuit, the third temperature protection circuit and the first temperature protection circuit are mutually standby, so that the safety of the hair dryer can be further improved. The power supply may be a built-in power supply or an external power supply, for example, 220V commercial power.

The thermal insulation layer 34 is made of mica paper. The mica paper has good heat insulation effect. Of course, the heat insulating layer is not limited to mica paper, and may be a heat insulating material such as glass fiber, asbestos, rock wool, or silicate.

The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments but rather the scope of the invention is intended to include equivalent technical means as would be understood by those skilled in the art based on the inventive concept.

Claims (10)

1. The utility model provides a hair care hair-dryer, include the barrel of blowing integrative with the handle, the motor in the barrel of blowing, overlap the insulating part in the motor, locate heater strip and step-down silk on the insulating part, the blast fan of being connected with the motor shaft, and connect the air outlet of duckbilled form behind the barrel of blowing, a serial communication port, the motor has the interval with the blast fan, the blast fan is the umbrella-type, the range has the curved surface fan blade below the umbrella lid, the blast fan face is opened has at least one louvre, step-down silk and heater strip are arranged around the motor circumference, step-down silk is in, the heater strip is outside, all be equipped with the insulating layer between insulating part surface and step-down silk and the heater strip.

2. The hair care blower of claim 1, wherein the blowing fan surface is located under the umbrella cover, the curved fan blade is located between the umbrella cover and the blowing fan surface, the center of the blowing fan surface is provided with a shaft hole connected with the motor shaft, and when the number of the heat dissipation holes is more than two, the heat dissipation holes are distributed along the circumference of the shaft hole.

3. The hair care blower of claim 2, wherein the heat dissipation holes correspond to heat dissipation holes of the motor end.

4. The hair care blower according to claim 2, wherein the plurality of blades are arranged, the blades are uniformly distributed in a vortex shape around the shaft hole, the height of the blades is increased and then decreased from the center of the blowing fan surface to the edge of the blowing fan surface along the radial direction, the blades comprise a front section and a rear section, the front section is an increased part, the rear section is a decreased part, the inclination of the front section is greater than that of the rear section, the top surface of the front section is a smooth curved surface, and the top surface and the side surface of the rear section are both sharp surfaces.

5. The hair care blower according to claim 4, wherein the center of the umbrella cover is provided with a hole, the hole is provided with a flange, the flange and the surface of the umbrella cover are in smooth curved transition, the diameter of the hole is larger than the diameter of the circumference where the heat dissipation holes are located, the diameter of the umbrella cover is larger than the diameter of the blowing fan, and the lower end surface of the umbrella cover is provided with a clamping groove clamped with the rear section.

6. The hair care blower of claim 1, wherein the heating wire is a U-shaped heating wire, and the voltage reduction wire is a V-shaped heating wire.

7. The hair care blower of claim 1, wherein the insulating member comprises a hollow cylinder for housing the motor, and the outer diameter of the cylinder has different radial radiation lengths of the insert sheets, the insert sheets form three unequal circles, and are sequentially provided with the pressure reduction layer, the heat insulation layer and the heating layer from inside to outside, the pressure reduction wire is wound on the insert sheet of the pressure reduction layer, the pressure reduction wire is connected with the heating wire in parallel, and the heating wire is wound on the insert sheet of the heating layer.

8. The hair care blower of claim 7, wherein the insert of the pressure reducing layer, the insulating layer and the heating layer are equally spaced and staggered.

9. The hair care blower of claim 1, wherein the blower is provided with a first temperature protection circuit, a second temperature protection circuit, a third temperature protection circuit and a control system, the first temperature protection circuit is electrically connected with the control system, the second temperature protection circuit is connected in series with the voltage reduction wire, the third temperature protection circuit is connected in series with the heating wire, and the first temperature protection circuit, the second temperature protection circuit and the third temperature protection circuit are connected in series.

10. The hair care hair dryer of claim 1, wherein the insulation layer is mica paper.

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