CN204906237U - Direct current brushless motor power system of hair -dryer - Google Patents
Direct current brushless motor power system of hair -dryer Download PDFInfo
- Publication number
- CN204906237U CN204906237U CN201520491271.1U CN201520491271U CN204906237U CN 204906237 U CN204906237 U CN 204906237U CN 201520491271 U CN201520491271 U CN 201520491271U CN 204906237 U CN204906237 U CN 204906237U
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- brushless motor
- electric heater
- rectifier
- power
- hair
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Abstract
The utility model discloses a direct current brushless motor power system of hair -dryer, including alternating current power supply, switch, electric heater, select switch, rectifier and direct current brushless motor, wherein this electric heater has the heating wire more than a section, a switch establishes ties between the input of the low temperature heating wire of electric heater and alternating current power supply's one end, the output of the low temperature heating wire of electric heater is connected to alternating current power supply's the other end through the rectifier, the output of rectifier is then be connected to the direct current brushless motor, and then constitute one and direct regard as the step -down before the alternating current power supply input rectifier to move with the heating wire of electric heater, it uses for the direct current brushless motor to provide stable DC power supply through the rectifier again.
Description
Technical field
The utility model relates to the DC Brushless Motor power system of hair-dryer, the electric heater of this hair-dryer comprises the heating wire of more than a section, directly utilize the heating wire that electric heater has, as the step-down action before AC power input rectifier, then galvanic current source is provided to use to DC Brushless Motor through rectifier.
Background technology
Conventional dryers take alternating current motor as fan start source, because alternating current motor is brush motor, therefore there is the large problem of noise and the easy fault because of carbon brush abrasion restricted lifetime when hair-dryer uses, so hair-dryer manufactures the DC Brushless Motor of the further choice for use of industry non-carbonate abrasion life-span restriction, and in the design of the DC Brushless Motor power supply provisioning technique of known hair-dryer, nothing more than utilizing down block AC power is depressurized to must low pressure numerical value, again through relevant rectifying circuit, the process of filter circuit etc., use to DC Brushless Motor to provide DC power supply.
These correlation techniques, " DC brushless motor blower control circuit " that No. 201220434228.8th, continent as is known utility model patent is recorded, its DC brushless motor blower control circuit comprises: a power module, it includes a mains switch, a rectifier and a diminishing coil, two inputs of described rectifier are connected to an AC power, described mains switch is serially connected in wherein between an input and AC power of rectifier, and described diminishing coil is serially connected between another input and AC power of rectifier; One rotational speed governor, is connected to the output of rectifier to obtain direct voltage, and sends one without the speed controling signal of section or multistage; One DC brushless motor, is connected to the output of rotational speed governor, and the speed controling signal accepting rotational speed governor drives, to produce the corresponding rotating speed without section or multistage.Described power module is provided with a heater switch and a heater coil further, wherein one end of described heater switch is connected to mains switch, the other end of described heater switch connects with one end of described heater coil, and the other end of described heater coil is then be connected with AC power.
Learn in the patent documentation of known prior art described above, in order to provide DC Brushless Motor galvanic current source, by the down block (as diminishing coil) arranged, the voltage of AC power must be given step-down, after coordinating the process of circuit via other again, DC power supply just can be provided to use to DC Brushless Motor, and it arranges complexity and the high cost of assembly as seen.
Utility model content
In view of this, main purpose of the present utility model is the DC Brushless Motor power system providing a kind of hair-dryer, to simplify the power supply supply of hair-dryer DC Brushless Motor and to reduce producing cost and effectively promoting Practical Benefit and the economic worth of hair-dryer of hair-dryer DC Brushless Motor power system.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of DC Brushless Motor power system of hair-dryer, the electric heater of its hair-dryer comprises the heating wire of more than a section, directly utilize the heating wire that electric heater has, as the step-down action before AC power input rectifier, then galvanic current source is provided to use to DC Brushless Motor through rectifier.
It comprises AC power, mains switch, electric heater, selector switch, rectifier and DC Brushless Motor; Wherein this electric heater has the heating wire of more than a section, to connect between the input and one end of AC power of the low temp. electric heated filament of electric heater a mains switch, the output of the low temp. electric heated filament of electric heater is connected to the other end of AC power through rectifier, the output of rectifier is then connected to DC Brushless Motor, and then form one directly using the heating wire of electric heater as AC power input rectifier before step-down action, then provide galvanic current source to use to DC Brushless Motor through rectifier.
Arrange by the creation of this structure, obtain and effectively simplify hair-dryer DC Brushless Motor power system and produce cost, and promote novelty and the progressive of this hair-dryer DC Brushless Motor power system.
Accompanying drawing explanation
Fig. 1 a: embodiment of the DC Brushless Motor power system of the utility model hair-dryer.
Fig. 2: another embodiment of the DC Brushless Motor power system of the utility model hair-dryer.
[primary clustering symbol description]
1 electric heater
11 low temp. electric heated filaments
Warm heating wire in 12
13 high-temperature electric heated filaments
2 DC Brushless Motor
3 rectifiers
4 mains switches
5 selector switches
6 fans
7 filter circuits
8 voltage stabilizing circuits
9 safeguard protection circuits.
Embodiment
Below in conjunction with accompanying drawing and embodiment of the present utility model, the DC Brushless Motor power system to this novel blower is described in further detail.
Refer to the utility model hair-dryer DC Brushless Motor power system embodiment shown in Fig. 1, comprise AC power (100V ~ 240V), mains switch 4, electric heater 1, selector switch 5, rectifier 3 and DC Brushless Motor 2, fan 6, wherein this electric heater 1 has the heating wire (illustrating for three sections of heating wire in the utility model illustrated embodiment) of more than a section, comprise low temp. electric heated filament 11, middle temperature heating wire 12 and high-temperature electric heated filament 13, to connect between the input and one end of AC power of the low temp. electric heated filament 11 of electric heater 1 mains switch 4, the output of the low temp. electric heated filament 11 of electric heater 1 is connected to the other end of AC power through rectifier 3, the output of rectifier 3 is then connected to DC Brushless Motor 2, and then form one directly using the heating wire of electric heater as AC power input rectifier before step-down action (such as: be depressurized to 24V or 48V), galvanic current source is provided to use to DC Brushless Motor through rectifier again.And the middle temperature heating wire 12 of electric heater 1 is in parallel with low temp. electric heated filament 11 respectively with high-temperature electric heated filament 13, and middle temperature heating wire 12 and high-temperature electric heated filament 13, selected the break-make road of its circuit by selector switch 5, selected with the operation executing temperature or high temperature in when hair-dryer uses.
In the practice of above-described embodiment, when mains switch 4 switches to ON, alternating current imports low temp. electric heated filament 11 conductive exothermal making electric heater 1, and the voltage of alternating current is depressurized to required low pressure numerical value through the low temp. electric heated filament 11 of this electric heater 1, form DC power supply through rectifier 3 again to use to DC Brushless Motor 2, make DC Brushless Motor 2 drive fan 6 to operate, and do the hot blast blowout of hair-dryer low temperature.During use, also again via the switching of selector switch 5, the middle temperature heating wire 12 of electric heater 1 and the selection of high-temperature electric heated filament 12 can be done, reach the blowout of hair-dryer medium and high temperature hot blast.
Refer to another embodiment of the hair-dryer of utility model shown in Fig. 2 DC Brushless Motor power system, comprise AC power (100V ~ 240V), mains switch 4, electric heater 1, selector switch 5, rectifier 3, DC Brushless Motor 2, fan 6, filter circuit 7, voltage stabilizing circuit 8 and safeguard protection circuit 9, wherein this electric heater 1 has the heating wire (illustrating for three sections of heating wire in the utility model illustrated embodiment) of more than a section, comprise low temp. electric heated filament 11, middle temperature heating wire 12 and high-temperature electric heated filament 13, to connect between the input and one end of AC power of the low temp. electric heated filament 11 of electric heater 1 mains switch 4, the output of the low temp. electric heated filament 11 of electric heater 1 is connected to the other end of AC power through rectifier 3, the output of rectifier 3 then connects filter circuit 7 through voltage stabilizing circuit 8 and safeguard protection circuit 9, DC Brushless Motor 2 galvanic current source is provided to make it drive fan running start, and then form one directly using the low temp. electric heated filament 11 of electric heater 1 as the step-down action (such as: be depressurized to 24V or 48V) before AC power input rectifier 3, again through rectifier 3, filter circuit 7, voltage stabilizing circuit 8 and safeguard protection circuit 9, galvanic current source is provided to use to DC Brushless Motor 2.And the middle temperature heating wire 12 of electric heater 1 is in parallel with low temp. electric heated filament 11 respectively with high-temperature electric heated filament 13, and middle temperature heating wire 12 and high-temperature electric heated filament 13, selected the break-make road of its circuit by selector switch 5, selected with the operation executing temperature or high temperature in when hair-dryer uses.
In the practice of another embodiment above-mentioned; when mains switch 4 switches to ON; alternating current imports low temp. electric heated filament 11 conductive exothermal making electric heater 1; and the voltage of alternating current is depressurized to required low pressure numerical value through the low temp. electric heated filament 11 of this electric heater 1; DC power supply is converted to again through rectifier 3; again through filter circuit 7, voltage stabilizing circuit 8 and safeguard protection circuit 9; form galvanic current source to use to DC Brushless Motor 2; make DC Brushless Motor 2 drive fan 6 to operate, and do the hot blast blowout of hair-dryer low temperature.During use, also again via the switching of selector switch 5, the middle temperature heating wire 12 of electric heater 1 and the selection of high-temperature electric heated filament 12 can be done, reach the blowout of hair-dryer medium and high temperature hot blast.
Adopt the DC Brushless Motor power system of hair-dryer of the present utility model, following actual benefit can be reached and promote:
1. really reach and simplify hair-dryer DC Brushless Motor power system;
2. that really effectively reduces hair-dryer DC Brushless Motor power system produces cost;
3. really effectively promote Practical Benefit and the economic worth of hair-dryer.
The above, be only preferred embodiment of the present utility model, and be not used to limit protection range of the present utility model.
Claims (2)
1. a hair-dryer DC Brushless Motor power system, comprises AC power, mains switch, electric heater, selector switch, rectifier, DC Brushless Motor and fan, and this electric heater has the heating wire of more than a section; It is characterized in that: a mains switch of connecting between the input of the low temp. electric heated filament of electric heater and one end of AC power, the output of the low temp. electric heated filament of electric heater is connected to the other end of AC power through rectifier, the output of rectifier is then connected to DC Brushless Motor, form one directly using the heating wire of electric heater as AC power input rectifier before step-down action.
2. a hair-dryer DC Brushless Motor power system, comprise AC power, mains switch, electric heater, selector switch, rectifier, DC Brushless Motor, fan, filter circuit, voltage stabilizing circuit and safeguard protection circuit, wherein this electric heater has the heating wire of more than a section; It is characterized in that: a mains switch of connecting between the input of the low temp. electric heated filament of electric heater and one end of AC power; the output of the low temp. electric heated filament of electric heater is connected to the other end of AC power through rectifier; the output of rectifier then connects filter circuit through voltage stabilizing circuit and safeguard protection circuit to DC Brushless Motor; there is provided DC Brushless Motor galvanic current source to make it drive fan running start, form one directly using the heating wire of electric heater as AC power input rectifier before step-down action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520491271.1U CN204906237U (en) | 2015-07-09 | 2015-07-09 | Direct current brushless motor power system of hair -dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520491271.1U CN204906237U (en) | 2015-07-09 | 2015-07-09 | Direct current brushless motor power system of hair -dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204906237U true CN204906237U (en) | 2015-12-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520491271.1U Expired - Fee Related CN204906237U (en) | 2015-07-09 | 2015-07-09 | Direct current brushless motor power system of hair -dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204906237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992700A (en) * | 2016-01-21 | 2017-07-28 | 建准电机工业股份有限公司 | Electric heating device |
-
2015
- 2015-07-09 CN CN201520491271.1U patent/CN204906237U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992700A (en) * | 2016-01-21 | 2017-07-28 | 建准电机工业股份有限公司 | Electric heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20180709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |