CN218884192U - Display panel of bathroom exhaust fan - Google Patents
Display panel of bathroom exhaust fan Download PDFInfo
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- CN218884192U CN218884192U CN202223005044.2U CN202223005044U CN218884192U CN 218884192 U CN218884192 U CN 218884192U CN 202223005044 U CN202223005044 U CN 202223005044U CN 218884192 U CN218884192 U CN 218884192U
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Abstract
The utility model discloses a display panel of bathroom exhaust fan, including MCU microprocessor, communication interface, temperature and humidity sensor and charactron, MCU microprocessor respectively with communication interface and temperature and humidity sensor electric connection, temperature and humidity sensor includes the AHT chip, the utility model discloses mainly through the cooperation of MCU microprocessor, communication interface, temperature and humidity sensor and digital autumn trousers, make the humiture signal transmission that the AHT chip sensed to MCU microprocessor, send out the instruction through MCU microprocessor, make the exhaust fan on the power strip work, through adopting special AHT chip to respond to temperature and humidity signal, improved the response precision to temperature and humidity to realize the accurate control to temperature and humidity, improved the cooling effect of this exhaust fan to a certain extent; through the cooperation of the nixie tube and the MCU microprocessor, the nixie tube can display the current temperature and humidity, and a user can conveniently observe the temperature and the humidity in real time.
Description
Technical Field
The utility model relates to an air discharge fan technical field specifically is a bathroom air discharge fan display panel.
Background
The exhaust fan is a kind of air conditioning appliance, also called as a ventilating fan, which drives blades to rotate by a motor to drive airflow so as to exchange indoor air and outdoor air. The exhaust aims at removing indoor dirty air and adjusting temperature and humidity, and is widely applied to families and public places.
Through retrieval, the Chinese patent document with the application number of 201810979986.X discloses an exhaust fan, which comprises an exhaust fan, a solar cell, a temperature tester and a temperature control switch, wherein when the temperature reaches a set temperature, the temperature tester is automatically closed, so that the exhaust fan starts to work, and the switch can be turned off when the temperature is not needed. The design has the characteristics of automatic cooling, energy consumption saving and the like.
However, the following drawbacks still exist in this application:
the temperature tester is not ideal in temperature monitoring precision effect, and cannot realize accurate control, so that the cooling effect is influenced, and therefore a display panel of the bathroom exhaust fan needs to be provided to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bathroom air discharge fan display panel, through MCU microprocessor, communication interface, the cooperation of temperature and humidity sensor and digital autumn trousers, the humiture signal transmission who makes the AHT chip sense to MCU microprocessor, send out the instruction through MCU microprocessor, make the air discharge fan work on the power strip, through adopting special AHT chip induction temperature and humidity signal, the response precision to temperature and humidity has been improved, in order to realize the accurate control to temperature and humidity, in order to solve the problem that proposes among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bathroom air discharge fan display panel, includes MCU microprocessor, communication interface, temperature and humidity sensor and charactron, MCU microprocessor respectively with communication interface and temperature and humidity sensor electric connection, temperature and humidity sensor includes the AHT chip, the two feet of AHT chip are connected with R27, the three-pin R26 of AHT chip, 5V voltage and C12 are connected to R27 and R28's one end, R27 and 4 feet of AHT chip are passed through to R26's one end and are connected, five feet of AHT chip and C12's one end all ground connection, R26's the other end and MCU microprocessor are connected.
Preferably, the MCU microprocessor is set as a BF7615BM44 chip, a twelfth pin of the MCU microprocessor is connected with a C16, and one end of the C16 is grounded.
Preferably, the communication interface is including the connecting terminal J2 that contains eight pins, the eight feet of connecting terminal J2 are connected with double diode D4, the one end of double diode is connected with R7 and C4, the seven feet of connecting terminal are connected with double diode D3, the one end of double diode D3 is connected with R6 and C3, C3 and C4's one end all ground connection.
Preferably, C14 is connected to the fifth leg of the connection terminal J2, C15 is connected to the fourth leg of the connection terminal J2, C6 is connected to the second leg of the connection terminal J2, one end of C14, C15 and C6 is connected, and the connection end of C14, C15 and C6 is grounded.
Preferably, the nixie tube comprises an LED1, an LED2, an LED3 and an LED4, one end of the LED1 is connected with the LED5 and the Q3, one end of the LED2 is connected with the LED6 and the Q4, one end of the LED3 is connected with the Q5, one end of the LED4 is connected with the Q6, one ends of the Q3, the Q4, the Q5 and the Q6 are connected, the connection ends of the Q3, the Q4, the Q5 and the Q6 are connected with a voltage of 5V, and the other ends of the LED1, the LED2, the LED3, the LED4, the LED5 and the LED6 are connected with the MCU through resistors.
Preferably, the vehicle-mounted controller further comprises a half-speed change-over switch S1, one end of the half-speed change-over switch S1 is connected with the C10, the other end of the half-speed change-over switch S1 is connected with the R14 and the R22, one end of the R22 is connected with the MCU, one end of the R14 is connected with one end of the C10, and the connection end of the R14 and the C10 is connected with 5V voltage.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses mainly through MCU microprocessor, communication interface, the cooperation of temperature and humidity sensor and digital autumn trousers, the humiture signal transmission who makes AHT chip sense to MCU microprocessor, send out the instruction through MCU microprocessor, make the air discharge fan work on the power strip, through adopting special AHT chip induction temperature and humidity signal, improved the response precision to temperature and humidity, to realize the accurate control to temperature and humidity, improved the cooling effect of this air discharge fan to a certain extent.
2. The utility model discloses a charactron and MCU microprocessor's cooperation makes the charactron can show current temperature and humidity, and convenient to use person observes in real time.
3. The utility model discloses a half fast change over switch and MCU microprocessor's cooperation is convenient for carry out dual control to the air discharge fan, makes the air discharge fan work at full speed or half fast.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
fig. 2 is a circuit diagram of the temperature and humidity sensor of the present invention;
FIG. 3 is a circuit diagram of the MCU microprocessor of the present invention;
fig. 4 is a circuit diagram of the communication interface of the present invention;
FIG. 5 is a circuit diagram of the nixie tube of the present invention;
fig. 6 is a circuit diagram of the half-speed transfer switch of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a display panel of a bathroom exhaust fan comprises an MCU (microprogrammed control unit) microprocessor, a communication interface, a temperature and humidity sensor and a nixie tube, wherein the MCU microprocessor is electrically connected with the communication interface and the temperature and humidity sensor respectively, as shown in figure 2, the temperature and humidity sensor comprises an AHT chip, two pins of the AHT chip are connected with R27, three pins R26 of the AHT chip are connected, one ends of the R27 and R28 are connected with 5V voltage and C12, one end of the R26 is connected with 4 pins of the AHT chip through the R27, one ends of five pins and C12 of the AHT chip are grounded, and the other end of the R26 is connected with the MCU microprocessor;
as shown in fig. 3, the MCU microprocessor is set as a BF7615BM44 chip, the twelfth pin of the MCU microprocessor is connected to the C16, and one end of the C16 is grounded, so that the nixie tube can display the current temperature and humidity, which is convenient for the user to observe in real time.
As shown in fig. 4, the communication interface includes connecting terminal J2 that contains eight pins, connecting terminal J2's eight feet are connected with double diode D4, double diode's one end is connected with R7 and C4, connecting terminal seven feet are connected with double diode D3, double diode D3's one end is connected with R6 and C3, C3 and C4's one end all grounds, is convenient for communicate between temperature and humidity sensor and the MCU microprocessor through connecting terminal J2.
The fifth foot of connecting terminal J2 is connected with C14, the fourth foot of connecting terminal J2 is connected with C15, the second foot of connecting terminal J2 is connected with C6, C14, C15 and C6's one end are connected, C14, C15 and C6's link ground connection increases the convenience of high-speed joint between communication interface and the MCU treater through connecting terminal J2.
As shown in fig. 5, the nixie tube comprises an LED1, an LED2, an LED3 and an LED4, one end of the LED1 is connected with the LED5 and the Q3, one end of the LED2 is connected with the LED6 and the Q4, one end of the LED3 is connected with the Q5, one end of the LED4 is connected with the Q6, one ends of the Q3, the Q4, the Q5 and the Q6 are connected, the connection ends of the Q3, the Q4, the Q5 and the Q6 are connected with a 5V voltage, the other ends of the LED1, the LED2, the LED3, the LED4, the LED5 and the LED6 are connected with the MCU microprocessor through resistors, and temperature data and humidity data sensed by the temperature and humidity sensor are displayed through the nixie tube.
As shown in fig. 1 and 6, the exhaust fan further comprises a half-speed change-over switch S1, one end of the half-speed change-over switch S1 is connected to C10, the other end of the half-speed change-over switch S1 is connected to R14 and R22, one end of R22 is connected to the MCU microprocessor, one end of R14 is connected to one end of C10, the connection end of R14 and C10 is connected to 5V voltage, and through the cooperation of the half-speed change-over switch and the MCU microprocessor, the exhaust fan is conveniently controlled doubly, so that the exhaust fan operates at full speed or half speed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a bathroom air discharge fan display panel, includes MCU microprocessor, communication interface, temperature and humidity sensor and charactron, its characterized in that: MCU microprocessor respectively with communication interface and temperature and humidity sensor electric connection, temperature and humidity sensor includes the AHT chip, two feet of AHT chip are connected with R27, the three-legged R26 of AHT chip, 5V voltage and C12 are connected to R27 and R28's one end, R26's one end is passed through R27 and is connected with the 4 feet of AHT chip, five feet of AHT chip and C12's one end all ground connection, R26's the other end and MCU microprocessor are connected.
2. A bathroom exhaust fan display panel according to claim 1, wherein: the MCU microprocessor is set to be a BF7615BM44 chip, the twelfth pin of the MCU microprocessor is connected with a C16, and one end of the C16 is grounded.
3. A bathroom exhaust fan display panel according to claim 1, wherein: communication interface is including the connecting terminal J2 that contains eight pins, connecting terminal J2's eight feet are connected with double diode D4, double diode's one end is connected with R7 and C4, connecting terminal seven feet are connected with double diode D3, double diode D3's one end is connected with R6 and C3, C3 and C4's one end all ground connection.
4. A bathroom exhaust fan display panel according to claim 3, wherein: the fifth pin of connecting terminal J2 is connected with C14, the fourth pin of connecting terminal J2 is connected with C15, the second pin of connecting terminal J2 is connected with C6, the one end of C14, C15 and C6 is connected, the connection of C14, C15 and C6 is ground connection.
5. A bathroom exhaust fan display panel according to claim 1, wherein: the nixie tube comprises an LED1, an LED2, an LED3 and an LED4, wherein one end of the LED1 is connected with the LED5 and the Q3, one end of the LED2 is connected with the LED6 and the Q4, one end of the LED3 is connected with the Q5, one end of the LED4 is connected with the Q6, one ends of the Q3, the Q4, the Q5 and the Q6 are connected, the connection ends of the Q3, the Q4, the Q5 and the Q6 are connected with a 5V voltage, and the other ends of the LED1, the LED2, the LED3, the LED4, the LED5 and the LED6 are connected with the MCU through resistors.
6. A bathroom exhaust fan display panel according to claim 1, wherein: still include half speed change over switch S1, C10 is connected to half speed change over switch S1 ' S one end, half speed change over switch S1 ' S the other end is connected with R14 and R22, R22 ' S one end is connected with MCU microprocessor, R14 and C10 ' S one end are connected, R14 and C10 ' S joint termination 5V voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223005044.2U CN218884192U (en) | 2022-11-11 | 2022-11-11 | Display panel of bathroom exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223005044.2U CN218884192U (en) | 2022-11-11 | 2022-11-11 | Display panel of bathroom exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218884192U true CN218884192U (en) | 2023-04-18 |
Family
ID=85939730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223005044.2U Active CN218884192U (en) | 2022-11-11 | 2022-11-11 | Display panel of bathroom exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218884192U (en) |
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2022
- 2022-11-11 CN CN202223005044.2U patent/CN218884192U/en active Active
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