CN219797451U - New fan control panel - Google Patents
New fan control panel Download PDFInfo
- Publication number
- CN219797451U CN219797451U CN202320329061.7U CN202320329061U CN219797451U CN 219797451 U CN219797451 U CN 219797451U CN 202320329061 U CN202320329061 U CN 202320329061U CN 219797451 U CN219797451 U CN 219797451U
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- air
- fan
- driving unit
- microcontroller
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- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a fresh air fan control board, which comprises a microcontroller basic unit, wherein the input end of the microcontroller basic unit is connected with a switch input unit and a temperature detection unit, the output end of the microcontroller basic unit is connected with a relay output unit, a blast gate driving unit and a fan driving unit, and the output end of the microcontroller basic unit is connected with a BA centralized control unit through a BA centralized control interface; when the novel fan is in an open state, the automatic control system automatically controls the air valve module to select a proper air flow loop according to the detected difference value between the outdoor air inlet temperature and the indoor air outlet temperature, so that comfortable air supply air flow is ensured to enter a room. The automatic control system automatically switches the purification module according to the detection function of the fan driving unit to ensure that clean air is sent into a room. And the automatic control system of the fresh air machine prompts the system to fail through the flashing frequency or the flashing time of the indicator lamp according to the detected different failure states.
Description
Technical Field
The utility model relates to the technical field of fresh air machine control, in particular to a fresh air machine control board.
Background
The novel air conditioner comprises a fresh air machine organism, an airflow power unit, a filter screen, a purification module, a blast gate module, a heat exchange module and a control system. The indoor and outdoor air exchange is realized by combining the indoor and outdoor air exchange devices, so that the health and comfort of the indoor air are ensured. Then, the existing fresh air machine control system adopts a fixed switch mode to complete the control of the airflow power unit, and can not be automatically controlled according to the indoor and outdoor air states, so that the fresh air machine is frosted, and the air flow of the air supply is supercooled or overheated. For this purpose, we propose a new fan control board.
Disclosure of Invention
The utility model aims to provide a new fan control board to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel fan control board comprises a microcontroller basic unit, wherein the input end of the microcontroller basic unit is connected with a switch input unit and a temperature detection unit, the output end of the microcontroller basic unit is connected with a relay output unit, a fan valve driving unit and a fan driving unit, and the output end of the microcontroller basic unit is connected with a BA centralized control unit through a BA centralized control interface;
the microcontroller basic unit is used for detecting signals of the switch input unit, detecting air inlet temperature and indoor return air temperature through the temperature detection unit, and controlling external equipment through the relay output unit, the air valve driving unit and the fan driving unit after performing logic operation according to corresponding control strategies so as to realize automatic control of the fresh air fan.
Compared with the prior art, the utility model has the beneficial effects that: the utility model starts or stops the fresh air blower according to the state of the switch input unit or the BA centralized control command. When the fresh air machine is in an on state, the automatic control system automatically controls the air valve module to select a proper air flow loop according to the detected difference value between the outdoor air inlet temperature and the indoor air outlet temperature, so that comfortable air supply air flow is ensured to enter a room. The automatic control system automatically switches the purification module according to the detection function of the fan driving unit to ensure that clean air is sent into a room. And the automatic control system of the fresh air machine prompts the system to fail through the flashing frequency or the flashing time of the indicator lamp according to the detected different failure states.
Drawings
FIG. 1 is a logic block diagram of a control system of a fresh air machine control board of the present utility model;
FIG. 2 is a schematic diagram of the MCU core circuit structure of the present utility model;
FIG. 3 is a schematic diagram of the structure of the relay output unit and the switch input unit according to the present utility model;
FIG. 4 is a general block diagram of a fresh air machine control board of the present utility model;
FIG. 5 is a schematic diagram of a fan drive unit according to the present utility model;
FIG. 6 is a schematic diagram of the power supply of the present utility model;
fig. 7 is a schematic structural diagram of the BA centralized control unit of the present utility model.
In the figure: 1. a microcontroller base unit; 2. a switch input unit; 3. a temperature detection unit; 4. a BA centralized control interface; 5. a relay output unit; 6. a damper driving unit; 7. a fan driving unit; 8. a power-on reset circuit; 9. an RTC clock; 10. a data storage; 11. a system clock; 12. and (3) an MCU.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-7, the present utility model provides a technical solution: the novel fan control board comprises a microcontroller basic unit 1, wherein the microcontroller basic unit 1 comprises an MCU 12, a power-on reset circuit 8, an RTC clock 9, a data memory 10 and a system clock 11, and the power-on reset circuit 8, the RTC clock 9, the data memory 10 and the system clock 11 are all connected with the MCU 12;
the input end of the microcontroller basic unit 1 is connected with a switch input unit 2 and a temperature detection unit 3, the output end of the microcontroller basic unit 1 is connected with a relay output unit 5, a blast gate driving unit 6 and a fan driving unit 7, and the output end of the microcontroller basic unit 1 is connected with a BA centralized control unit through a BA centralized control interface 4;
the microcontroller basic unit 1 is used for detecting signals of the switch input unit 2, detecting air inlet temperature and indoor return air temperature through the temperature detection unit 3, and controlling external equipment through the relay output unit 5, the air valve driving unit 6 and the air valve driving unit 7 after performing logic operation according to corresponding control strategies so as to realize automatic control of the fresh air machine.
When the temperature detection unit 3 detects that the difference value between the air inlet temperature and the indoor return air temperature is less than or equal to 3-10 ℃, the microcontroller basic unit 1 automatically opens the side ventilation valve through the air valve driving unit 6.
When the temperature detection unit 3 detects that the air inlet temperature is lower than 6 ℃, the microcontroller basic unit 1 automatically controls the air supply fan to periodically pause to operate through the fan driving unit 7, controls the air exhaust fan to continuously operate, and uses air exhaust air flow to perform equipment frosting prevention control.
The working states of the air supply fan and the air exhaust fan and the real-time rotating speed are detected according to the fan driving unit 7. When the operation output of the air supply fan and the air exhaust fan is detected and maintained, the relay output unit 5 controls the relay output, and the air supply air flow purifying function is started.
When the microcontroller basic unit 1 detects that the BA centralized control unit has a centralized control command, the outputs of the corresponding relay output unit 5, the air valve driving unit 6 and the fan driving unit 7 are automatically controlled according to the BA centralized control requirement.
And the microcontroller basic unit 1 automatically exits the BA centralized control state after detecting that the BA centralized control unit does not receive the BA centralized control command within a period of time, and executes corresponding peripheral operation.
Specifically, when in use, the fresh air machine is started or shut down according to the state of the switch input unit 2 or the BA centralized control command.
When the fresh air machine is in an on state, the microcontroller basic unit 1 automatically controls the air valve driving unit 6 to select a proper air flow loop according to the detected difference value between the outdoor air inlet temperature and the indoor air outlet temperature, so that comfortable air supply air flow is ensured to enter a room.
According to the detection function of the fan driving unit 7, the purification module is automatically switched on and off to ensure that clean air is fed into the room. And prompting the system fault through the flashing frequency or the flashing time of the indicator lamp according to the detected different fault states.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A new fan control panel, includes microcontroller basic unit (1), its characterized in that: the input end of the microcontroller basic unit (1) is connected with a switch input unit (2) and a temperature detection unit (3), the output end of the microcontroller basic unit (1) is connected with a relay output unit (5), a blast gate driving unit (6) and a fan driving unit (7), and the output end of the microcontroller basic unit (1) is connected with a BA centralized control unit through a BA centralized control interface (4);
the microcontroller basic unit (1) is used for detecting signals of the switch input unit (2), detecting air inlet temperature and indoor return air temperature through the temperature detection unit (3), and controlling external equipment through the relay output unit (5), the air valve driving unit (6) and the air valve driving unit (7) to realize automatic control of the fresh air machine.
2. The fresh air fan control panel of claim 1, wherein: when the difference value between the air inlet temperature and the indoor return air temperature detected by the temperature detection unit (3) is less than or equal to 3-10 ℃, the microcontroller basic unit (1) automatically opens the side ventilation valve by the air valve driving unit (6).
3. The fresh air fan control panel of claim 1, wherein: when the temperature detection unit (3) detects that the air inlet temperature is lower than 6 ℃, the microcontroller basic unit (1) automatically controls the air supply fan to periodically pause to operate through the fan driving unit (7), controls the air exhaust fan to continuously operate, and uses air exhaust air flow to perform equipment frosting prevention control.
4. A fresh air fan control panel according to claim 3, wherein: and detecting the working states of the air supply fan and the air exhaust fan according to the fan driving unit (7) and the real-time rotating speed.
5. The fresh air fan control panel of claim 1, wherein: when the microcontroller basic unit (1) detects that the BA centralized control unit has a centralized control command, the outputs of the corresponding relay output unit (5), the air valve driving unit (6) and the fan driving unit (7) are automatically controlled according to the BA centralized control requirement.
6. The fresh air fan control panel of claim 5, wherein: and the microcontroller basic unit (1) automatically exits the BA centralized control state after detecting that the BA centralized control unit does not receive the BA centralized control command within a period of time, and executes corresponding peripheral operation.
7. The fresh air fan control panel of claim 4, wherein: when the operation output of the air supply fan and the air exhaust fan is detected and maintained, the relay output unit (5) is used for controlling the relay output, and the air supply and air flow purifying function is started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320329061.7U CN219797451U (en) | 2023-02-28 | 2023-02-28 | New fan control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320329061.7U CN219797451U (en) | 2023-02-28 | 2023-02-28 | New fan control panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219797451U true CN219797451U (en) | 2023-10-03 |
Family
ID=88157718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320329061.7U Active CN219797451U (en) | 2023-02-28 | 2023-02-28 | New fan control panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219797451U (en) |
-
2023
- 2023-02-28 CN CN202320329061.7U patent/CN219797451U/en active Active
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