CN210299940U - Hair-dryer of detectable return air humidity - Google Patents
Hair-dryer of detectable return air humidity Download PDFInfo
- Publication number
- CN210299940U CN210299940U CN201920352416.8U CN201920352416U CN210299940U CN 210299940 U CN210299940 U CN 210299940U CN 201920352416 U CN201920352416 U CN 201920352416U CN 210299940 U CN210299940 U CN 210299940U
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- CN
- China
- Prior art keywords
- circuit
- humidity
- return air
- hair
- resistor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 239000010703 silicon Substances 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000011084 recovery Methods 0.000 claims abstract description 5
- 238000005485 electric heating Methods 0.000 claims description 12
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 claims description 9
- 101150105073 SCR1 gene Proteins 0.000 claims description 9
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 210000004761 scalp Anatomy 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000007664 blowing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
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- Cleaning And Drying Hair (AREA)
Abstract
The utility model discloses a detectable return air humidity's hair-dryer, including the hair-dryer shell, be equipped with air intake and air outlet on the hair-dryer shell, air intake connection has the hot-blast return air passageway of recovery air intake, be equipped with power supply circuit in the hair-dryer shell and the singlechip circuit who is connected with power supply circuit, singlechip circuit is connected with button circuit, the motor drive circuit who is connected with fan motor, is connected with the electrothermal element and is used for adjusting electrothermal element heating temperature's silicon controlled circuit, sets up the humidity transducer circuit who is used for detecting return air humidity in the return air passageway, is provided with the hot-blast return air passageway of recovery air intake at the air intake to detect the dry degree of return air humidity and detect the hair through humidity transducer, thereby the switch of control hair-dryer prevents hair and scalp.
Description
[ technical field ]
The utility model relates to a hair-dryer of detectable return air humidity.
[ background art ]
Most current hair-dryers are the switch through key circuit control only simply, as long as key circuit starts hair-dryer work, can not detect the wetness degree of hair at the in-process of drying hair, and the user also is difficult to hold the dry and comfortable degree of hair simultaneously, consequently causes the hair too dry damage hair easily.
[ contents of utility model ]
The utility model overcomes above-mentioned technique is not enough, provides a hair-dryer of detectable return air humidity.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a hair-dryer of detectable return air humidity, including blower housing 1, be equipped with air intake and air outlet on blower housing 1, air intake connection has the hot-blast return air passageway of recovery air intake, be equipped with power supply circuit 2 in blower housing 1 and the singlechip circuit 3 of being connected with power supply circuit 2, singlechip circuit 3 is connected with button circuit 11, the motor drive circuit 5 of being connected with fan motor 4, is connected with electric heating element 6 and is used for adjusting electric heating element 6 heating temperature's silicon controlled rectifier circuit 7, sets up the humidity transducer circuit 8 that is used for detecting return air humidity in the return air passageway.
The singlechip circuit 3 is connected with a humidity sensor circuit 8.
The user sets for the humidity standard of drying hair through button circuit 11, singlechip circuit 3 judges hair humidity through the humidity signal that detects humidity sensor circuit 8, and after judging that hair humidity is less than and sets for humidity standard many times in succession, singlechip circuit 3 cuts off electric heating element 6's work through silicon controlled rectifier circuit 7.
The singlechip circuit 3 is connected with a key circuit 11.
The controllable silicon circuit 7 comprises a photoelectric coupler U6, a pin ① of a U6 of the photoelectric coupler is connected with a 5V power supply, a pin ② of a U6 of the photoelectric coupler is connected with the single chip microcomputer circuit 3 through a resistor R41, a pin ③ of the U6 of the photoelectric coupler and a pin 6 of the U6 of the photoelectric coupler are suspended, a pin ④ of the U6 of the photoelectric coupler is respectively connected with one end of a resistor R43 and a control end of a controllable silicon SCR1, a resistor R43 is connected with the power supply circuit 2, an anode end of the controllable silicon SCR1 is connected with the power supply circuit 2, a cathode end of the controllable silicon SCR1 is respectively connected with one end of the electric heating component 6, the power supply circuit 2 and one end of a resistor R42, and the other end of the.
The humidity sensor circuit 8 is provided with a connector CN5 connected with the humidity sensor, a connector CN5 pin ② is grounded, a connector CN5 pin ① is respectively connected with one end of a resistor R71 and one end of a resistor R72, the other end of the resistor R71 is connected with a 5V power supply, the other end of the resistor R72 is respectively connected with one end of a capacitor C33 and the single chip microcomputer circuit 3, and the other end of the capacitor C33 is grounded.
The utility model has the advantages that:
the utility model discloses be provided with the hot-blast return air passageway of recovery air intake at the air intake to detect the degree of drying that return air humidity detected the hair through humidity transducer, thereby control the switch of hair-dryer, prevent hair and scalp damage.
[ description of the drawings ]
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic diagram of a circuit of the single chip microcomputer according to the present invention;
FIG. 3 is a schematic diagram of the key circuit of the present invention;
FIG. 4 is a schematic diagram of a thyristor circuit and an electrical heating element of the present invention;
fig. 5 is a schematic diagram of the motor driving circuit of the present invention;
fig. 6 is a schematic diagram of the overvoltage protection circuit of the present invention;
FIG. 7 is a schematic diagram of the temperature protection circuit of the present invention;
fig. 8 is a schematic circuit diagram of the humidity sensor of the present invention.
[ detailed description of the invention ]
The following description is further detailed with reference to the accompanying drawings and embodiments of the present invention:
as shown in fig. 1-8, a blower capable of detecting return air humidity comprises a blower housing 1, wherein an air inlet and an air outlet are arranged on the blower housing 1, the air inlet is connected with a return air channel for recovering hot air in the air inlet, a power circuit 2 and a single chip microcomputer circuit 3 connected with the power circuit 2 are arranged in the blower housing 1, the single chip microcomputer circuit 3 is connected with a motor driving circuit 5 connected with a fan motor 4, a silicon controlled circuit 7 connected with an electric heating component 6 and used for adjusting the heating temperature of the electric heating component 6, and a humidity sensor circuit 8 arranged in the return air channel and used for detecting the return air humidity.
After the power is switched on, the silicon controlled circuit 7 controls the electric heating component 6 to heat and work, meanwhile, the motor driving circuit 5 drives the fan motor 4 to blow and work, hot air is blown out through the air outlet, part of the hot air passing through the back of the hair enters the air return channel, the humidity sensor circuit 8 arranged in the air return channel detects the humidity of the air return at the moment, when the detected humidity is lower than a preset value, the single chip microcomputer circuit 3 stops the electric heating component 6 from heating and stops the fan motor 4 from working, when the humidity sensor circuit 8 detects that the humidity is a value that the hair is blown to the ninth-time dry, the blower stops working automatically, and if the button is started again, the humidity sensor circuit 8 detects that the humidity is a value that the hair; the hair is prevented from being blown to be too dry and damaged.
The single chip microcomputer circuit 3 is connected with an overvoltage protection circuit 9, so that damage caused by working overvoltage is prevented; the single chip microcomputer circuit 3 is connected with a temperature protection circuit 10 to prevent damage caused by overhigh working temperature; the single chip microcomputer circuit 3 is connected with a key circuit 11, a power supply is switched on or off or switched on for the second time through the key circuit 11, and meanwhile, the blowing state can be selectively kept through the key circuit 11, and the blowing wind speed and the blowing temperature can be set.
As shown in fig. 4, the thyristor circuit 7 includes a photo coupler U6, a pin ① of a photo coupler U6 is connected to a 5V power supply, a pin ② of the photo coupler U6 is connected to the single chip microcomputer circuit 3 through a resistor R41, a pin ③ of the photo coupler U6 and a pin 6 of the photo coupler U6 are suspended, a pin ④ of the photo coupler U6 is connected to one end of a resistor R43 and a control end of a thyristor SCR1, a resistor R43 is connected to the power supply circuit 2, an anode end of the thyristor SCR1 is connected to the power supply circuit 2, a cathode end of the SCR1 is connected to one end of the electrothermal component 8, the power supply circuit 2 and one end of the resistor R42, and the other end of the resistor R42 is connected to a pin ⑥ of the photo coupler U.
As shown in fig. 8, the humidity sensor circuit 8 has a connector CN5 connected to the humidity sensor, a pin ② of the connector CN5 is grounded, a pin ① of the connector CN5 is connected to one end of a resistor R71 and one end of a resistor R72, the other end of the resistor R71 is connected to the 5V power supply, the other end of the resistor R72 is connected to one end of a capacitor C33 and the one-chip microcomputer circuit 3, and the other end of the capacitor C33 is grounded.
Claims (6)
1. The utility model provides a hair-dryer of detectable return air humidity which characterized in that: including blower housing (1), be equipped with air intake and air outlet on blower housing (1), air intake connection has the hot-blast return air passageway of recovery air intake, be equipped with in blower housing (1) power supply circuit (2) and singlechip circuit (3) of being connected with power supply circuit (2), singlechip circuit (3) are connected with key-press circuit (11), motor drive circuit (5) of being connected with fan motor (4), are connected with electric heating element (6) and are used for adjusting electric heating element (6) heating temperature's silicon-controlled circuit (7), set up humidity transducer circuit (8) that are used for detecting return air humidity in the return air passageway.
2. A blower for sensing return air humidity as claimed in claim 1, wherein: the single chip microcomputer circuit (3) is connected with a humidity sensor circuit (8).
3. A blower for sensing return air humidity as claimed in claim 1, wherein: the user sets a hair drying humidity standard through the key circuit (11), the single chip microcomputer circuit (3) judges the hair humidity through detecting a humidity signal of the humidity sensor circuit (8), and after the hair humidity is continuously judged to be lower than the set humidity standard for multiple times, the single chip microcomputer circuit (3) cuts off the work of the electric heating component (6) through the silicon controlled circuit (7).
4. A blower for sensing return air humidity as claimed in claim 1, wherein: the single chip circuit (3) is connected with a key circuit (11).
5. The blower capable of detecting the return air humidity as claimed in claim 1, wherein the silicon controlled circuit (7) comprises a photoelectric coupler U6, a pin ① of the photoelectric coupler U6 is connected with a 5V power supply, a pin ② of the photoelectric coupler U6 is connected with the single chip microcomputer circuit (3) through a resistor R41, a pin ③ of the photoelectric coupler U6 and a pin ⑤ of the photoelectric coupler U6 are suspended, a pin ④ of the photoelectric coupler U6 is respectively connected with one end of a resistor R43 and a control end of a silicon controlled SCR1, a resistor R43 is connected with the power supply circuit (2), an anode end of the silicon controlled SCR1 is connected with the power supply circuit (2), a cathode end of the silicon controlled SCR1 is respectively connected with one end of the electric heating component (6), the power supply circuit (2) and one end of a resistor R42, and the other end of the resistor R42 is connected with a pin ⑥ of the photoelectric coupler U6.
6. The blower capable of detecting the return air humidity as claimed in claim 1, wherein the humidity sensor circuit (8) is provided with a connector CN5 connected with the humidity sensor, a pin ② of a connector CN5 is grounded, a pin ① of the connector CN5 is respectively connected with one end of a resistor R71 and one end of a resistor R72, the other end of the resistor R71 is connected with a 5V power supply, the other end of the resistor R72 is respectively connected with one end of a capacitor C33 and the single chip microcomputer circuit (3), and the other end of the capacitor C33 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920352416.8U CN210299940U (en) | 2019-03-19 | 2019-03-19 | Hair-dryer of detectable return air humidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920352416.8U CN210299940U (en) | 2019-03-19 | 2019-03-19 | Hair-dryer of detectable return air humidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210299940U true CN210299940U (en) | 2020-04-14 |
Family
ID=70122931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920352416.8U Expired - Fee Related CN210299940U (en) | 2019-03-19 | 2019-03-19 | Hair-dryer of detectable return air humidity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210299940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024051581A1 (en) * | 2022-09-10 | 2024-03-14 | 添可智能科技有限公司 | Control method for air blowing device, and air blowing device |
-
2019
- 2019-03-19 CN CN201920352416.8U patent/CN210299940U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024051581A1 (en) * | 2022-09-10 | 2024-03-14 | 添可智能科技有限公司 | Control method for air blowing device, and air blowing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |