CN211932976U - Portable hair-dryer - Google Patents
Portable hair-dryer Download PDFInfo
- Publication number
- CN211932976U CN211932976U CN201922476849.7U CN201922476849U CN211932976U CN 211932976 U CN211932976 U CN 211932976U CN 201922476849 U CN201922476849 U CN 201922476849U CN 211932976 U CN211932976 U CN 211932976U
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- China
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- motor
- barrel
- shell
- handle
- heating component
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Abstract
The utility model discloses a portable hair drier, which comprises a shell, wherein the front end of the shell is provided with an air outlet net which is detachably connected with the shell, a filter screen and a heating component are arranged in the shell, motor support and impeller, the filter screen is installed in the rear end of casing, be equipped with earth leakage protection device on the heating element, heating element can dismantle with the casing and be connected, heating element's rear end is equipped with circuit board and motor, the front end of motor runs through the circuit board and is connected with heating element, motor support can dismantle with the casing and be connected, the motor is installed on motor support, the rear end of motor is equipped with the output shaft, the output shaft runs through motor support and impeller connection, the impeller is located between motor support and the filter screen, be equipped with the handle on the casing, be equipped with cold wind switch and main switch on the handle, the one end and the casing fixed connection of handle, the other end of. The utility model has the advantages that: the accidents caused by high temperature and electric leakage are avoided, and the safety of a user is protected.
Description
Technical Field
The utility model belongs to the technical field of the relevant technique of hair-dryer and specifically relates to indicate a portable hair-dryer.
Background
The hair dryer is a common daily article in daily life, can quickly dry wet hair and reduce colds. However, since the heating component is arranged in the hair dryer, once the hair dryer is used for a long time, the temperature in the hair dryer can be rapidly increased, so that internal parts are burnt, danger is caused, and the service life is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a portable hair-dryer with multiple safety protection in order to overcome the not enough that the hair-dryer is overheated to cause danger easily among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a portable hair drier comprises a shell, wherein the front end of the shell is provided with an air outlet net, the air outlet net is detachably connected with the shell, the shell is internally provided with a filter screen, a heating component, a motor support and an impeller, the filter screen is installed at the rear end of the shell, the heating component is provided with a leakage protection device and is detachably connected with the shell, the rear end of the heating component is provided with a circuit board and a motor, the front end of the motor penetrates through the circuit board to be connected with the heating component, the motor support is detachably connected with the shell, the motor is installed on the motor support, the rear end of the motor is provided with an output shaft, the output shaft penetrates through the motor support to be connected with the impeller, the impeller is positioned between the motor support and the filter screen, the shell is provided with a handle, the handle is provided with a cold air switch and a main, the other end of the handle is provided with an electric leakage protection plug, and the heating component, the motor, the cold air switch, the main switch and the electric leakage protection plug are electrically connected with the circuit board.
The front end of the shell is provided with an air outlet net which is detachably connected with the shell, a filter screen, a heating component, a motor support and an impeller are arranged in the shell, the filter screen is arranged at the rear end of the shell, the heating component is provided with an electric leakage protection device and is detachably connected with the shell, the rear end of the heating component is provided with a circuit board and a motor, the front end of the motor penetrates through the circuit board and is connected with the heating component, the motor support is detachably connected with the shell, the motor is arranged on the motor support, the rear end of the motor is provided with an output shaft, the output shaft penetrates through the motor support and is connected with the impeller, the impeller is positioned between the motor support and the filter screen, the shell is provided with a handle, the handle is provided with a cold air switch and, the motor, the cold air switch, the main switch and the electric leakage protection plug are electrically connected with the circuit board. When the temperature in the hair drier reaches a certain temperature, the electric leakage protection device on the heating component disconnects the heating circuit, and the hair drier does not heat; meanwhile, the leakage protection plug has a leakage protection function, and when the leakage current is 4-6 mA, the protection time is less than 5.59 seconds; when the leakage current is large and the leakage current is 264mA, the protection time is less than 25 milliseconds, and the aim of multiple safety protection is fulfilled.
Preferably, the casing includes a front barrel, a rear barrel and a protective cover, the air outlet net is detachably connected with the front end of the front barrel, the rear end of the front barrel is provided with a horn mouth, the front barrel is internally connected with a heat insulation barrel matched with the front barrel, the front end of the heating assembly is contacted with the inner side wall of the heat insulation barrel, the rear end of the heating assembly is positioned in the rear barrel and detachably connected with the rear barrel, the motor support is detachably connected with the rear barrel, the rear end of the front barrel is detachably connected with the front end of the rear barrel, the rear end of the rear barrel is detachably connected with the protective cover, the filter screen is installed in the rear barrel and is positioned between the impeller and the protective. The design is convenient for the disassembly and maintenance of the blower; the heat insulation cylinder separates the heating component from the shell, so that heat on the heating component is prevented from being transferred to the shell, and the safety of a human body is protected; the filter screen is favorable to impurity and hair in the filtered air to play the effect of protection motor, the life of extension hair-dryer.
Preferably, the handle comprises a first handle cover and a second handle cover, one end of the first handle cover is fixedly connected with the front barrel, the leakage protection plug is installed at the other end of the first handle cover, the second handle cover is fixedly connected with the rear barrel, and the cold air switch and the main switch are installed on the first handle cover.
As preferred, heating element is alternately pegged graft by three blocks of cardboard and forms, and the one end of cardboard contacts with the inside wall of a thermal-insulated section of thick bamboo, and the other end of cardboard is equipped with U type opening, and circuit board and motor are installed in U type opening, and the motor runs through the circuit board and inserts in U type opening and be connected with one of them cardboard electricity. The card is energized to generate heat.
Preferably, a temperature controller and a fuse are arranged on a clamping plate electrically connected with the motor, the clamping plate is electrically connected with the cold air switch through the temperature controller, and the clamping plate is electrically connected with the main switch through the fuse and the leakage protection plug in sequence. The clamping plate is provided with double protection, when the temperature in the machine reaches the rated action temperature, the temperature controller disconnects the heating main circuit and is connected with the cold air switch, the blower is not heated, the motor is not powered off at the moment, the motor still works, and cold air is blown in for cooling; when the temperature in the machine is reduced to the reset temperature, the temperature controller is switched on, the clamping plate is electrified to generate heat, and the heating component works; when the temperature controller is damaged, the temperature in the machine is continuously increased, and in order to avoid accidents caused by high temperature, the fuse can directly disconnect the whole circuit, so that the safety of a user is protected.
Preferably, the main switch is provided with a low gear, a high gear and a closing gear, the leakage protection plug, the high gear and the low gear are sequentially connected in series to form a circuit, the motor and the cold air switch are electrically connected with the high gear on the main switch, one ends of the other two clamping plates are connected in parallel and then electrically connected with the high gear, the other end of one clamping plate is sequentially electrically connected with the high gear and the closing gear in series, and the other end of the other clamping plate is electrically connected with the cold air switch. The clamping plate is provided with double protection, when the temperature in the machine reaches the rated action temperature, the temperature controller disconnects the heating main circuit and is connected with the cold air switch, the blower is not heated, the motor is not powered off at the moment, the motor still works, and cold air is blown in for cooling; when the temperature in the machine is reduced to the reset temperature, the temperature controller is switched on, the clamping plate is electrified to generate heat, and the heating component works; when the temperature controller is damaged, the temperature in the machine is continuously increased, and in order to avoid accidents caused by high temperature, the fuse can directly disconnect the whole circuit, so that the safety of a user is protected.
The utility model has the advantages that: accidents caused by high temperature and electric leakage are avoided, and the safety of a user is protected; facilitating the disassembly and maintenance of the hair dryer.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the structure of the card;
FIG. 4 is a schematic view of the connection structure of the clamping plate and the heat insulation cylinder;
FIG. 5 is a control circuit diagram of the heat generating component;
FIG. 6 is a schematic view of the main switch in the low position;
FIG. 7 is a schematic view of the main switch in the high position;
fig. 8 is a schematic structural view of the main switch in the off position.
In the figure: 1. the novel air conditioner comprises a shell, a wind outlet net, a filter screen, a heating component, a motor support, an impeller, a leakage protection device, a circuit board, a motor, a handle, a cold air switch, a main switch, a leakage protection plug, a front barrel, a rear barrel, a protective cover, a heat insulation barrel, a handle cover I, a handle cover II, a clamp plate, a U-shaped opening 21, a U-shaped opening 22, a temperature controller, a fuse 23, a low gear 24, a high gear 25 and a closing gear 26.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
In the embodiment shown in fig. 1, a portable hair dryer comprises a casing 1, an air outlet net 2 is arranged at the front end of the casing 1, the air outlet net 2 is detachably connected with the casing 1, as shown in fig. 2, a filter screen 3, a heating component 4, a motor support 5 and an impeller 6 are arranged in the casing 1, the filter screen 3 is arranged at the rear end of the casing 1, a leakage protection device 7 is arranged on the heating component 4, the heating component 4 is detachably connected with the casing 1, a circuit board 8 and a motor 9 are arranged at the rear end of the heating component 4, the front end of the motor 9 penetrates through the circuit board 8 and is connected with the heating component 4, the motor support 5 is detachably connected with the casing 1, the motor 9 is arranged on the motor support 5, an output shaft is arranged at the rear end of the motor 9, the output shaft penetrates through the motor support 5 and is connected with the impeller 6, the impeller 6 is arranged between, the handle 10 is provided with a cold air switch 11 and a main switch 12, one end of the handle 10 is fixedly connected with the shell 1, the other end of the handle 10 is provided with an electric leakage protection plug 13, and as shown in fig. 2, the heating component 4, the motor 9, the cold air switch 11, the main switch 12 and the electric leakage protection plug 13 are all electrically connected with the circuit board 8.
As shown in fig. 2, the casing 1 includes a front barrel 14, a rear barrel 15 and a protective cover 16, the air outlet net 2 is detachably connected with the front end of the front barrel 14, the rear end of the front barrel 14 is provided with a bell mouth, a heat insulation barrel 17 matched with the front barrel 14 is connected in the front barrel 14, the front end of the heating component 4 contacts with the inner side wall of the heat insulation barrel 17, the rear end of the heating component 4 is located in the rear barrel 15 and detachably connected with the rear barrel 15, the motor bracket 5 is detachably connected with the rear barrel 15, the rear end of the front barrel 14 is detachably connected with the front end of the rear barrel 15, the rear end of the rear barrel 15 is detachably connected with the protective cover 16, the filter screen 3 is installed in the rear barrel 15 and located between the impeller 6 and the protective. The handle 10 is composed of a first handle cover 18 and a second handle cover 19, one end of the first handle cover 18 is fixedly connected with the front barrel 14, the leakage protection plug 13 is installed at the other end of the first handle cover 18, the second handle cover 19 is fixedly connected with the rear barrel 15, and the cold air switch 11 and the main switch 12 are installed on the first handle cover 18.
As shown in fig. 2, 3 and 4, the heating element 4 is formed by inserting three clamping plates 20 in a crossed manner, one end of each clamping plate 20 is in contact with the inner side wall of the heat insulation cylinder 17, the other end of each clamping plate 20 is provided with a U-shaped opening 21, the circuit board 8 and the motor 9 are installed in the U-shaped openings 21, and the motor 9 penetrates through the circuit board 8 and is inserted into the U-shaped openings 21 to be electrically connected with one of the clamping plates 20.
As shown in fig. 3 and 4, a temperature controller 22 and a fuse 23 are disposed on a card 20 electrically connected to the motor 9, as shown in fig. 5, the card 20 is electrically connected to the cold air switch 11 through the temperature controller 22, and the card 20 is electrically connected to the main switch 12 through the fuse 23 and the earth leakage protection plug 13 in sequence.
As shown in fig. 5, 6, 7 and 8, the main switch 12 is provided with a low gear 24, a high gear 25 and a closing gear 26, the earth leakage protection plug 13, the high gear 25 and the low gear 24 are sequentially connected in series to form a circuit, the motor 9 and the cold air switch 11 are both electrically connected with the high gear 25 on the main switch 12, one ends of the other two clamping plates 20 are electrically connected with the high gear 25 after being connected in parallel, the other end of one clamping plate 20 is sequentially electrically connected with the high gear 25 and the closing gear 26 in series, and the other end of the other clamping plate 20 is electrically connected with the cold air switch 11.
The working principle is as follows: the leakage protection plug 13 has leakage protection, and when the leakage current is 4-6 mA, the protection time is less than 5.59 seconds; when the leakage current is large and 264mA, the protection time is less than 25 milliseconds.
The clamping plate 20 is provided with double protection, when the temperature in the machine reaches the rated action temperature, the temperature controller 22 switches off the heating main circuit and switches on the cold air switch 26, the blower is not heated, the motor 9 is not powered off at the moment, still works, and cold air is blown in for cooling; when the temperature in the machine is reduced to the reset temperature, the temperature controller 22 is switched on, the clamping plate 20 is electrified to generate heat, and the heating component works; when the temperature controller 22 is damaged, the temperature in the machine is continuously raised, and in order to avoid accidents caused by high temperature, the fuse 23 can directly break the whole circuit, thereby protecting the safety of users.
Claims (6)
1. The portable hair drier is characterized by comprising a shell (1), wherein a wind outlet net (2) is arranged at the front end of the shell (1), the wind outlet net (2) is detachably connected with the shell (1), a filter screen (3), a heating component (4), a motor support (5) and an impeller (6) are arranged in the shell (1), the filter screen (3) is installed at the rear end of the shell (1), a leakage protection device (7) is arranged on the heating component (4), the heating component (4) is detachably connected with the shell (1), a circuit board (8) and a motor (9) are arranged at the rear end of the heating component (4), the front end of the motor (9) penetrates through the circuit board (8) to be connected with the heating component (4), the motor support (5) is detachably connected with the shell (1), the motor (9) is installed on the motor support (5), the rear end of motor (9) is equipped with the output shaft, the output shaft runs through motor support (5) and is connected with impeller (6), impeller (6) are located between motor support (5) and filter screen (3), be equipped with handle (10) on casing (1), be equipped with cold wind switch (11) and main switch (12) on handle (10), the one end and casing (1) fixed connection of handle (10), the other end of handle (10) is equipped with earth leakage protection plug (13), heating element (4), motor (9), cold wind switch (11), main switch (12) and earth leakage protection plug (13) all are connected with circuit board (8) electricity.
2. The portable hair drier according to claim 1, wherein the casing (1) comprises a front barrel (14), a rear barrel (15) and a protective cover (16), the air outlet net (2) is detachably connected with the front end of the front barrel (14), the rear end of the front barrel (14) is provided with a bell mouth, a heat insulation barrel (17) matched with the front barrel (14) is connected in the front barrel (14), the front end of the heating component (4) is contacted with the inner side wall of the heat insulation barrel (17), the rear end of the heating component (4) is positioned in the rear barrel (15) and detachably connected with the rear barrel (15), the motor bracket (5) is detachably connected with the rear barrel (15), the rear end of the front barrel (14) is detachably connected with the front end of the rear barrel (15), the rear end of the rear barrel (15) is detachably connected with the protective cover (16), the filter net (3) is installed in the rear barrel (15), and is located between the impeller (6) and the protective cover (16).
3. The portable hair dryer as claimed in claim 1 or 2, wherein the handle (10) is composed of a first handle cover (18) and a second handle cover (19), one end of the first handle cover (18) is fixedly connected with the front barrel (14), the earth leakage protection plug (13) is installed at the other end of the first handle cover (18), the second handle cover (19) is fixedly connected with the rear barrel (15), and the cold air switch (11) and the main switch (12) are installed on the first handle cover (18).
4. The portable hair drier as claimed in claim 2, wherein the heating component (4) is formed by inserting three clamping plates (20) in a crossed manner, one end of each clamping plate (20) is in contact with the inner side wall of the heat insulation barrel (17), the other end of each clamping plate (20) is provided with a U-shaped opening (21), the circuit board (8) and the motor (9) are installed in the U-shaped openings (21), and the motor (9) penetrates through the circuit board (8) and is inserted into the U-shaped openings (21) to be electrically connected with one clamping plate (20).
5. The portable hair dryer as claimed in claim 4, wherein a temperature controller (22) and a fuse (23) are arranged on a clamping plate (20) electrically connected with the motor (9), the clamping plate (20) is electrically connected with the cold air switch (11) through the temperature controller (22), and the clamping plate (20) is electrically connected with the main switch (12) through the fuse (23) and the leakage protection plug (13) in sequence.
6. The portable hair dryer as claimed in claim 5, wherein the main switch (12) is provided with a low gear (24), a high gear (25) and a closing gear (26), the earth leakage protection plug (13), the high gear (25) and the low gear (24) are sequentially connected in series to form a circuit, the motor (9) and the cold air switch (11) are electrically connected with the high gear (25) on the main switch (12), one ends of the other two clamping plates (20) are connected in parallel and then electrically connected with the high gear (25), the other end of one clamping plate (20) is sequentially electrically connected with the high gear (25) and the closing gear (26) in series, and the other end of the other clamping plate (20) is electrically connected with the cold air switch (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922476849.7U CN211932976U (en) | 2019-12-31 | 2019-12-31 | Portable hair-dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922476849.7U CN211932976U (en) | 2019-12-31 | 2019-12-31 | Portable hair-dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211932976U true CN211932976U (en) | 2020-11-17 |
Family
ID=73181544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922476849.7U Withdrawn - After Issue CN211932976U (en) | 2019-12-31 | 2019-12-31 | Portable hair-dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211932976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1025518S1 (en) * | 2022-08-08 | 2024-04-30 | Pengpeng Liao | Dust blower |
-
2019
- 2019-12-31 CN CN201922476849.7U patent/CN211932976U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1025518S1 (en) * | 2022-08-08 | 2024-04-30 | Pengpeng Liao | Dust blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20201117 Effective date of abandoning: 20210331 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20201117 Effective date of abandoning: 20210331 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |