CN209085002U - New draught fan control circuit - Google Patents
New draught fan control circuit Download PDFInfo
- Publication number
- CN209085002U CN209085002U CN201820527122.XU CN201820527122U CN209085002U CN 209085002 U CN209085002 U CN 209085002U CN 201820527122 U CN201820527122 U CN 201820527122U CN 209085002 U CN209085002 U CN 209085002U
- Authority
- CN
- China
- Prior art keywords
- main control
- wifi
- control circuit
- module
- main
- Prior art date
- 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.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The utility model proposes a kind of new draught fan control circuits, for controlling the working condition for switching new blower；Including Temperature Humidity Sensor, PM2.5 sensor, main control module, WIFI module, power-switching circuit and touch screen；The Temperature Humidity Sensor and PM2.5 sensor are connect with main control module respectively, and the main control module is connected with WIFI module and touch screen respectively；The main control module is connected with the control circuit of the main motor control circuit of new blower and stepper motor, and the humidity sensor, PM2.5 sensor, main control module, WIFI module and touch screen are separately connected power-switching circuit；The wireless control of new wind devices is realized using WIFI module, and carries out voltage isolation in the input terminal of power supply, guarantees the stabilization of circuit structure while realizing circuit function；Heating plate is set in the air outlet of main motor, when outdoor temperature is too low, heating can be opened to prevent from causing using new blower for a long time reducing room temperature reduction bring discomfort.
Description
Technical field
The utility model relates to Fresh air handling units control circuit technical field, in particular to a kind of new draught fan control circuit.
Background technique
New wind devices belong to new household electric appliances, in the market existing new wind devices mostly with it is offline it is practical based on, use is red
Outer or touch screen is controlled, and remotely cannot be monitored and be operated, bring certain inconvenience in use.On the other hand, common new
Blower is when opening, since the circuit of main motor power supply and the power control part parallel circuit of control circuit are to same input
Power voltage supply design, therefore circuit structure does not have isolation, once main motor, which breaks down, will affect the circuit of control circuit
Stability.
Utility model content
The purpose of this utility model aims to solve at least one of the technological deficiency.
For this purpose, a purpose of the utility model is to propose a kind of new draught fan control circuit, realized using WIFI module
The wireless control of new wind devices, and voltage isolation is carried out in the input terminal of power supply, guarantee circuit while realizing circuit function
The stabilization of structure.
To achieve the goals above, the embodiment of the utility model one side provides a kind of new draught fan control circuit, is used for
Control switches the working condition of new blower；Including Temperature Humidity Sensor, PM2.5 sensor, main control module, WIFI module, power supply
Conversion circuit and touch screen；The Temperature Humidity Sensor and PM2.5 sensor are connect with main control module respectively, the main control module
It is connected respectively with WIFI module and touch screen；The main motor control circuit and stepper motor of the main control module and new blower
Control circuit is connected, and the humidity sensor, PM2.5 sensor, main control module, WIFI module and touch screen are separately connected electricity
Power-switching circuit；
The WIFI module includes WIFI chip, first diode, first resistor；One end of the first resistor connects electricity
Pin, the WIFI is arranged in power-switching circuit, the WIFI that the cathode of the first diode connects main control chip in main control module
The WIFI of chip receives pin and WIFI sends WIFI transmission pin and WIFI reception pin that pin is separately connected main control chip.
Preferably, the power-switching circuit includes exchange input plug, transformer, rectification unit, the first three-terminal voltage-stabilizing
Device, the second three terminal regulator and low pressure difference linear voltage regulator；The primary of the exchange input plug connection transformer, the transformation
The input terminal of the secondary connection rectification unit of device, the output end of the rectification unit connect the first three terminal regulator input terminal and
The input terminal of second three terminal regulator；The control circuit of the output end connection main motor of first three terminal regulator, described the
The control circuit of the output end connection stepper motor of two three terminal regulators.
Further, the input terminal of the output end connection third three terminal regulator of second three terminal regulator, the third
The output end connection PM2.5 sensor and Temperature Humidity Sensor of three terminal regulator.
Further, the input terminal of the output end connection low pressure difference linear voltage regulator of the third three terminal regulator, it is described
The power pin of output end the connection main control chip and WIFI module of low pressure difference linear voltage regulator.
Preferably, the main control module connects heating sheet by interface module, and going out for main motor is arranged in the heating sheet
Air port.
Preferably, the main control module includes main control chip and the switch control unit being connected with main control chip, air duct
Switch control unit, rotary speed controling unit, heat control unit.
Further, the switch control unit includes the first triode, optocoupler, bidirectional triode thyristor, rectifier bridge；Described first
The power supply control pin of the base stage connection main control chip of triode, the input terminal of collector connection optocoupler, the first of the optocoupler
Output end connects the control electrode of bidirectional triode thyristor, and one end of the first main pole connection rectifier bridge of the bidirectional triode thyristor is described whole
The other end for flowing bridge connects main motor, provides working power for main motor.
Further, the rotary speed controling unit includes the duty of the input terminal connection main control chip of latch described in latch
Than output pin, the output end of the latch connects main motor control circuit, controls the revolving speed of main motor.
Further, the air duct switch control unit includes four NPN triodes, the base stage of each NPN triode
It is separately connected the I/O pin of main control chip, the collector of each NPN triode connects stepping electricity by interface module respectively
The control circuit of machine.
According to a kind of new draught fan control circuit provided by the embodiment of the utility model, compared to existing new air-blower control electricity
Road has at least the following advantages: realizing the wireless control of new wind devices using WIFI module, and carries out electricity in the input terminal of power supply
Pressure isolation, guarantees the stabilization of circuit structure while realizing circuit function；Heating plate is set in the air outlet of main motor, works as room
When outer temperature is too low, can opening heating, to reduce bring uncomfortable to prevent from leading to reduce room temperature using new blower for a long time.
The additional aspect of the utility model and advantage will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is a kind of circuit structure block diagram of new draught fan control circuit provided by the embodiment of the utility model；
Fig. 2 is a kind of circuit theory of the WIFI module for new draught fan control circuit that the utility model embodiment provides
Figure；
Fig. 3 is that a kind of circuit of the power-switching circuit for new draught fan control circuit that the utility model embodiment provides is former
Reason figure；
Fig. 4 is that a kind of circuit of the switch control unit for new draught fan control circuit that the utility model embodiment provides is former
Reason figure；
Fig. 5 is that a kind of circuit of the rotary speed controling unit for new draught fan control circuit that the utility model embodiment provides is former
Reason figure；
Fig. 6 is a kind of air duct switch control unit circuit for new draught fan control circuit that the utility model embodiment provides
Schematic diagram；
Fig. 7 is a kind of heat control unit circuit theory for new draught fan control circuit that the utility model embodiment provides
Figure；
In figure:
1, Temperature Humidity Sensor；2, PM2.5 sensor；3, main control module；4, WIFI module；5, power-switching circuit； 6,
Touch screen；
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
As shown in Figure 1, a kind of new draught fan control circuit of the utility model embodiment, for controlling the work for switching new blower
Make state；Including Temperature Humidity Sensor 1, PM2.5 sensor 2, main control module 3, WIFI module 4, power-switching circuit 5 and touching
Touch screen 6；Temperature Humidity Sensor 1 and PM2.5 sensor 2 are connect with main control module 3 respectively, main control module 3 respectively with WIFI module
It is connected with touch screen 6；Main control module 3 is connected with the control circuit of the main motor control circuit of new blower and stepper motor,
Humidity sensor, PM2.5 sensor 2, main control module 3, WIFI module 4 and touch screen 6 are separately connected power-switching circuit 5.
As shown in Fig. 2, WIFI module includes WIFI chip, first diode, first resistor；One end of first resistor connects
Pin, WIFI chip is arranged in power-switching circuit 5, the WIFI that the cathode of first diode connects main control chip in main control module 3
WIFI receive pin and WIFI and send pin and be separately connected the WIFI of main control chip and send pin and WIFI receives pin.
It should be noted that the model ESP8266 of the model WIFI chip of chip employed in the present embodiment, master control
The model STM32F103 of chip；PM2.5 detection uses the PM2.5 sensor of beneficial shirt science and technology；Temperature and Humidity uses DHT21
Sensor.Component model used by the utility model, it is not limited to which the example above can also be other models, herein not
It repeats again.
As shown in figure 3, power-switching circuit 5 include exchange input plug, transformer X1, rectification unit (D5, D6, D7,
D8 rectifier diode), the first three terminal regulator U5, the second three terminal regulator U4 and low pressure difference linear voltage regulator U2；Exchange input
Plug connects the primary of transformer X1, the input terminal of the secondary connection rectification unit of transformer X1, and the output end of rectification unit connects
Connect the input terminal of the first three terminal regulator U5 and the input terminal of the second three terminal regulator U4；The output of first three terminal regulator U5
The control circuit of end connection main motor, the control circuit of the output end connection stepper motor of the second three terminal regulator U4.
The input terminal of the output end connection third three terminal regulator BT2 of second three terminal regulator U4, third three terminal regulator
The output end connection PM2.5 sensor 2 and Temperature Humidity Sensor 1 of BT2.The output end of third three terminal regulator BT2 connects low pressure
The input terminal of difference linear constant voltage regulator U2, the electricity of output end connection the main control chip U1 and WIFI module of low pressure difference linear voltage regulator U2
Source capsule foot.
220V AC voltage is input from the outside in the present invention, is converted into 16V alternating current, 16V alternating current by X1
It powers for low-pressure section.16V alternating current is passed through into D5, D6, D7, D8 diode rectification, it is straight that electrolytic capacitor CE2 is filtered into 16V
Stream.16V direct current is converted into 15V direct current by three terminal regulator U5 and three terminal regulator U4 is converted into 12V DC, and 15V direct current is used
It powers in main motor control system, 12V DC is powered for stepper motor.12V is converted into 5V through three terminal regulator BT2, is
Optocoupler and the power supply of PM2.5 sensor, then 5V is converted into 3.3V through low pressure difference linear voltage regulator U2, it is master chip and WIFI module
Power supply.
CON1 is 220V input interface, and J1 and J5 are main motor interfaces, in order to adapt to different model motor, CON101 and
CON102 is heating sheet interface, and J4 is PM2.5 sensor interface, and CON301A and CON301B are Temperature Humidity Sensor interface, J2
It is stepper motor interface, J3 is reserved serial interface, and J6 is liquid crystal display interface, and CON401 is burning program interface.
Main control module 3 includes main control chip and the switch control unit, the air duct switching control list that are connected with main control chip
Member, rotary speed controling unit, heat control unit.
As shown in figure 4, switch control unit include the first triode Q103, it is optocoupler U105, bidirectional triode thyristor BT106, whole
Flow bridge；The power supply of the base stage connection main control chip U1 of first triode Q103 controls pin, and collector connects the defeated of optocoupler U105
Enter end, the control electrode G of the first output end connection bidirectional triode thyristor BT106 of optocoupler U105, the first master of bidirectional triode thyristor BT106
The other end of one end of pole T1 connection rectifier bridge, rectifier bridge connects main motor, provides working power for main motor.
As shown in figure 5, rotary speed controling unit includes the duty ratio efferent duct of the input terminal connection main control chip of latch U3
The output end of foot, latch connects main motor control circuit, controls the revolving speed of main motor.
As shown in fig. 6, air duct switch control unit includes four NPN triode Q1s, Q2, Q3, Q4, each NPN triode
Base stage be separately connected the I/O pin of main control chip, the collector of each NPN triode passes through interface module respectively and connects stepping
The control circuit of motor.
Heat control unit can be set to multiple groups, every group of heat control unit include two heating sheet CON101 and
CON102, two optocoupler U101 and U102, two bidirectional triode thyristor elements BT101 and BT102；Main control module 3 passes through interface group
Part connects heating sheet, and the air outlet of main motor is arranged in heating sheet.
Specifically, when the utility model is used, power on and with control box matched after, send the new address WIFI to
Control plate under fresh air, lower control plate connects new WIFI title in the new address WIFI write-in FLASH chip U9, at this time can be with
Wireless control is carried out to plank by control box instruction.When needing to open new blower, master chip controls NPN triode Q1 03
Conducting controls high-pressure section bidirectional triode thyristor BT106 conducting by optocoupler, rectifier bridge BT1 will so that optocoupler U105 be made to be connected
220V AC rectification supplies main motor at 310V direct current；Master chip passes through the certain duty ratio of non-inverting output again
3.3V square wave is converted into 5V square wave control main motor revolving speed after latch U3.When needing control room inner-outer circulation mode, lead to
Cross the tetra- NPN triode driving stepper motor switching air ducts master chip control Q1, Q2, Q3, Q4.When opening heating 1, master chip control
NPN triode Q1 01 processed is connected, so that optocoupler U101 and U102 be made to be connected, controls bidirectional triode thyristor BT101 by optocoupler respectively
It is connected with BT102, the heating sheet of CON101 connection at this time is started to work.When needing to open heating 2, master chip controls tri- pole NPN
Pipe Q102 conducting controls bidirectional triode thyristor BT103 and BT104 by optocoupler respectively and leads so that optocoupler U103 and U104 be made to be connected
Logical, the heating sheet of CON102 connection at this time is started to work.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and
Modification.The scope of the utility model is by appended claims and its equivalent limits.
Claims (9)
1. a kind of new draught fan control circuit, which is characterized in that for controlling the working condition for switching new blower；It is passed including temperature and humidity
Sensor, PM2.5 sensor, main control module, WIFI module, power-switching circuit and touch screen；The Temperature Humidity Sensor and
PM2.5 sensor is connect with main control module respectively, and the main control module is connected with WIFI module and touch screen respectively；The master
Control module is connected with the control circuit of the main motor control circuit of new blower and stepper motor, the humidity sensor, PM2.5
Sensor, main control module, WIFI module and touch screen are separately connected power-switching circuit；
The WIFI module includes WIFI chip, first diode, first resistor；One end connection power supply of the first resistor turns
Circuit is changed, pin, the WIFI chip is arranged in the WIFI of main control chip in the cathode connection main control module of the first diode
WIFI receive pin and WIFI and send pin and be separately connected the WIFI of main control chip in main control module and send pin and WIFI connects
Closed tube foot.
2. new draught fan control circuit according to claim 1, which is characterized in that the power-switching circuit includes that exchange is defeated
Enter plug, transformer, rectification unit, the first three terminal regulator, the second three terminal regulator and low pressure difference linear voltage regulator；The friendship
Flow the primary of input plug connection transformer, the input terminal of the secondary connection rectification unit of the transformer, the rectification unit
Output end connect the first three terminal regulator input terminal and the second three terminal regulator input terminal；First three terminal regulator
Output end connection main motor control circuit, second three terminal regulator output end connection stepper motor control electricity
Road.
3. new draught fan control circuit according to claim 2, which is characterized in that the output end of second three terminal regulator
Connect the input terminal of third three terminal regulator, the output end connection PM2.5 sensor and temperature and humidity of the third three terminal regulator
Sensor.
4. new draught fan control circuit according to claim 3, which is characterized in that the output end of the third three terminal regulator
Connect the input terminal of low pressure difference linear voltage regulator, the output end connection main control chip and WIFI mould of the low pressure difference linear voltage regulator
The power pin of block.
5. new draught fan control circuit according to claim 1, which is characterized in that the main control module is connected by interface module
Heating sheet is connect, the air outlet of main motor is arranged in the heating sheet.
6. new draught fan control circuit according to claim 1, which is characterized in that the main control module include main control chip and
Switch control unit, air duct switch control unit, the rotary speed controling unit, heat control unit being connected with main control chip.
7. new draught fan control circuit according to claim 6, which is characterized in that the switch control unit includes the one or three
Pole pipe, optocoupler, bidirectional triode thyristor, rectifier bridge；The power supply of the base stage connection main control chip of first triode controls pin, collection
Electrode connects the input terminal of optocoupler, and the control electrode of the first output end connection bidirectional triode thyristor of the optocoupler is described two-way controllable
One end of the first main pole connection rectifier bridge of silicon, the other end of the rectifier bridge connect main motor, provide work electricity for main motor
Source.
8. new draught fan control circuit according to claim 6, which is characterized in that the rotary speed controling unit includes latch
The duty ratio output pin of the input terminal connection main control chip of the latch, the output end of the latch connect main motor control
Circuit processed controls the revolving speed of main motor.
9. new draught fan control circuit according to claim 6, which is characterized in that the air duct switch control unit includes four
A NPN triode, the base stage of each NPN triode are separately connected the I/O pin of main control chip, each NPN triode
Collector respectively pass through interface module connect stepper motor control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820527122.XU CN209085002U (en) | 2018-12-14 | 2018-12-14 | New draught fan control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820527122.XU CN209085002U (en) | 2018-12-14 | 2018-12-14 | New draught fan control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209085002U true CN209085002U (en) | 2019-07-09 |
Family
ID=67112399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820527122.XU Active CN209085002U (en) | 2018-12-14 | 2018-12-14 | New draught fan control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209085002U (en) |
-
2018
- 2018-12-14 CN CN201820527122.XU patent/CN209085002U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102878651B (en) | Intelligent inverter air conditioner with low standby power | |
| WO2010094215A1 (en) | Power supply control device and ventilating device using same | |
| CN201191062Y (en) | Temperature controlled intelligent fresh-air ventilator | |
| CN203707489U (en) | Intelligent energy-saving socket | |
| CN206001639U (en) | A kind of stable Water cooled air conditionerses | |
| CN101471584A (en) | DC/AC power supply source for air conditioner | |
| CN201340045Y (en) | Evaporative air conditioner with temperature and humidity control and temperature and humidity controller therein | |
| CN101216699A (en) | Split type energy-saving controller of air-conditioner | |
| CN102563820B (en) | Evaporative air cooler for communication base station/machine room, and anti-condensation method of evaporative air cooler | |
| CN209085002U (en) | New draught fan control circuit | |
| CN108365783B (en) | A kind of electric hair drier control circuit of high power utilization rate | |
| CN206618083U (en) | A kind of Intelligent central air conditioner energy-saving control system | |
| CN104296335A (en) | Wind speed gear control system and method of direct-current motor fan coil | |
| CN207849529U (en) | A kind of bluetooth fireplace implement and system | |
| CN208634087U (en) | Blower drive control apparatus | |
| CN207674597U (en) | A kind of small-sized round fresh air purification device with auxiliary hot function | |
| CN102901183B (en) | Energy consumption regulating circuit of variable-frequency air conditioner | |
| CN201270489Y (en) | Electric power control apparatus for air-conditioner system | |
| CN204363223U (en) | A kind of slip controls hair dryer | |
| CN200999743Y (en) | Blower fan speed governing system in air conditioner | |
| CN109931288A (en) | A kind of blower stepless speed controller | |
| CN219691794U (en) | Control circuit of electric fan of summer heater | |
| CN212084005U (en) | Integrated form temperature controller | |
| CN207501373U (en) | A kind of coil pipe of air-conditioner blower energy-saving controller | |
| CN202973442U (en) | DC air blower controller at bottom end of central air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240307 Address after: 528000, Building 8, Building 604, CIMC Intelligent Manufacturing Center, No. 15 Shunye West Road, Xingtan Town, Shunde District, Foshan City, Guangdong Province (Residence Declaration) Patentee after: Guangdong Qingshan Technology Co.,Ltd. Country or region after: China Address before: 100176, 7th Floor, Building 38, Software Park, Beijing University of Technology, Yizhuang Economic Development Zone, Daxing District, Beijing Patentee before: BEIJING CHUNQIU TECHNOLOGY CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right |