CN108105967A - A kind of frequency conversion air-cooler control system and control circuit - Google Patents
A kind of frequency conversion air-cooler control system and control circuit Download PDFInfo
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- CN108105967A CN108105967A CN201711439854.XA CN201711439854A CN108105967A CN 108105967 A CN108105967 A CN 108105967A CN 201711439854 A CN201711439854 A CN 201711439854A CN 108105967 A CN108105967 A CN 108105967A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of frequency conversion air-cooler control system and control circuits, by the way that frequency conversion IPM modules and the first MCU units is set to carry out frequency control to wind turbine, 2nd MCU units are set, water pump controller, water level sensor, indoor temperature and humidity sensor and outdoor temperature sensor to carry out logic control to air-cooler, situations such as indoor and outdoor surroundings and water level can be integrated, most accurate most rational operation control is made to air-cooler, improve conditioned zone humiture accuracy, improve its comfort level, first MCU units and the 2nd MCU units are mutually isolated by optical coupling isolator, ensure that logic control and frequency control are not interfere with each other, it is more accurate, by the way that the wind turbine current detection module moment is set to pay close attention to fan operation situation, wind turbine frequent starting number can be reduced, reduce energy consumption.
Description
Technical field
The present invention relates to air-cooler control fields, particularly a kind of frequency conversion air-cooler control system and control circuit.
Background technology
Air-cooler is come the air of forced flow outside cooling tube by air by the heat exchange evaporation comb in air-cooler.Air is more dry
Heat, the temperature difference is bigger, and cooling-down effect is better.Since air is indoor from outdoor introduction always, so room air can be kept
It is fresh；Simultaneously because air-cooler utilizes evaporative cooling principle, therefore the dual function with cooling and humidification.
At present, traditional air-cooler, has the following problems：The frequent start-stop of wind turbine, noise are big during operation；Conditioned zone temperature
Humid control fluctuation is larger.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of frequency conversion air-cooler control system and control circuit,
Wind turbine frequent starting number can be reduced, reduces energy consumption；Conditioned zone humiture accuracy is improved, improves its comfort level.
Technical solution is used by the present invention solves the problems, such as it：
A kind of frequency conversion air-cooler control system, including controller, the controller includes the frequency conversion IPM moulds being connected with wind turbine
Block, the first power supply processing for driving the first MCU units of frequency conversion IPM modules fan power supply, being connected with the first MCU units
Unit and the 2nd MCU units for exporting logic control signal according to environmental data, the controller are further included respectively with the
Second source processing unit, water pump controller, water level sensor, indoor temperature and humidity sensor, the outdoor temp of two MCU units connection
Degree sensor, optical coupling isolator and wind turbine current detection module, the 2nd MCU units pass through optical coupling isolator and the first MCU
Unit connects, and the 2nd MCU units are connected by wind turbine current detection module with frequency conversion IPM modules.By setting frequency conversion IPM
Module and the first MCU units carry out frequency control to wind turbine, set the 2nd MCU units, water pump controller, water level sensor, room
Interior Temperature Humidity Sensor and outdoor temperature sensor to carry out logic control to air-cooler, can integrate indoor and outdoor surroundings and water level
Situations such as, most accurate most rational operation control is made to air-cooler, conditioned zone humiture accuracy is improved, improves it and relax
Appropriateness, the first MCU units and the 2nd MCU units are mutually isolated by optical coupling isolator, ensure that logic control and frequency control are mutual
It does not disturb, more accurately, by the way that the wind turbine current detection module moment is set to pay close attention to fan operation situation, it is frequent wind turbine can be reduced
The number of starts reduces energy consumption.
Further, driving power control module is further included, the driving power control module includes control terminal, the first output
End and second output terminal, the control terminal are connected with the 2nd MCU units, and first output terminal and the first power supply processing unit connect
It connects, the second output terminal is connected with second source processing unit.By setting mutually independent first output terminal and second defeated
Outlet is connected respectively with the first power supply processing unit and second source processing unit, respectively to the first MCU units and the 2nd MCU
Unit is powered, and is ensured that two MCU units are powered independently of each other, is not interfere with each other；The control terminal of driving power control module and second
MCU units connect, by the logic control of the 2nd MCU units so that the power supply of air-cooler is more safe and reliable.
Further, the first power supply processing unit and second source processing unit not altogether, individually using different electricity
Source network.
Further, line control machine is further included, the line control machine includes the 3rd MCU units and connects respectively with the 3rd MCU units
485 driving interface of touch button, segment encode liquid crystal display component and line control machine end connect, the controller, which further includes, to be used for and line traffic control
485 driving interface of controller end of device connection, 485 driving interface of controller end are connected with the 2nd MCU units.Pass through setting
Line control machine can carry out parameter setting to air-cooler with person more convenient to use and check that current ambient conditions and air-cooler are transported
Market condition.
Further, the controller further includes the WiFi module being connected with the 2nd MCU units.Being provided with WiFi module can be with
Convenient for users to being connected by the controller of WIFI and air-cooler, remote control is carried out to air-cooler.
A kind of control circuit applied to above-mentioned frequency conversion air-cooler control system, the controller include frequency-variable module electricity
Road, the Frequency Drive Control circuit being connected with frequency-variable module circuit, the air-cooler logic control being connected with Frequency Drive Control circuit
Circuit processed, the relay drive circuit being connected respectively with air-cooler logic control circuit and 485 level shifting circuits and respectively
The power circuit being connected with Frequency Drive Control circuit and air-cooler logic control circuit, the frequency-variable module circuit include described
Frequency conversion IPM modules, the Frequency Drive Control circuit includes the first MCU units, air-cooler logic control electricity
Road includes the 2nd MCU units, and the power circuit includes the first power supply processing unit and second source is handled
Unit, the Frequency Drive Control circuit include optical coupling isolation circuit, and the optical coupling isolation circuit includes the light-coupled isolation
Device, the optical coupling isolation circuit are connected with air-cooler logic control circuit, and the frequency-variable module circuit includes wind turbine current detecting
Circuit, the fan circuit detection circuit include the wind turbine current detection module, the fan circuit detection circuit with it is cold
Wind turbine logic control circuit connects.By the way that frequency-variable module circuit and Frequency Drive Control circuit is set to carry out frequency conversion control to wind turbine
System sets air-cooler logic control circuit and relay drive circuit to carry out logic control to air-cooler, can be to air-cooler
Most accurate most rational operation control is made, conditioned zone humiture accuracy is improved, improves its comfort level, frequency conversion drive control
Circuit and air-cooler logic control circuit processed is mutually isolated by optical coupling isolation circuit, ensures logic control and frequency control mutually not
Interference more accurately, by the way that the wind turbine current detection circuit moment is set to pay close attention to fan operation situation, can reduce wind turbine and frequently open
Dynamic number, reduces energy consumption.
Further, the power circuit includes driving power control circuit, power feedback and power-switching circuit, institute
Driving power control circuit, power feedback and power-switching circuit is stated to be sequentially connected, the power-switching circuit respectively with
Frequency Drive Control circuit is connected with air-cooler logic control circuit, and the power-switching circuit is included at first power supply
Manage unit and second source processing unit.
Further, the frequency-variable module circuit is by the three-phase motor driving chip of model SCM1242MF and its periphery electricity
Road is formed.
Further, the Frequency Drive Control circuit by model STM8S005 drive control chip and its peripheral circuit
It forms.
Further, the air-cooler logic control circuit by model R7F0C908B2DFP logic control chip and its
Peripheral circuit is formed.
The beneficial effects of the invention are as follows：A kind of frequency conversion air-cooler control system and control circuit that the present invention uses, pass through
Frequency conversion IPM modules and the first MCU units is set to carry out frequency control to wind turbine, the 2nd MCU units, water pump controller, water are set
Level sensor, indoor temperature and humidity sensor and outdoor temperature sensor to carry out logic control to air-cooler, can integrate interior
Situations such as external environment and water level, makes air-cooler most accurate most rational operation control, it is accurate to improve conditioned zone humiture
Exactness improves its comfort level, and the first MCU units and the 2nd MCU units are mutually isolated by optical coupling isolator, ensures logic control
It is not interfere with each other with frequency control, it more accurately, can by the way that the wind turbine current detection module moment is set to pay close attention to fan operation situation
Wind turbine frequent starting number is reduced, reduces energy consumption.
Description of the drawings
The invention will be further described with example below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structure diagram of frequency conversion air-cooler control system of the present invention；
Fig. 2 is a kind of functional block diagram of frequency conversion air-cooler control circuit of the present invention；
Fig. 3 is a kind of frequency-variable module circuit diagram of frequency conversion air-cooler control circuit of the present invention；
Fig. 4 is a kind of Frequency Drive Control circuit diagram of frequency conversion air-cooler control circuit of the present invention；
Fig. 5 is a kind of air-cooler logic control circuitry diagram of frequency conversion air-cooler control circuit of the present invention；
Fig. 6 is a kind of relay drive circuit figure of frequency conversion air-cooler control circuit of the present invention；
Fig. 7 is a kind of 485 level shifting circuit figures of frequency conversion air-cooler control circuit of the present invention；
Fig. 8 is a kind of power circuit diagram of frequency conversion air-cooler control circuit of the present invention.
Specific embodiment
With reference to Fig. 1, a kind of frequency conversion air-cooler control system of the invention, including controller 1, the controller 1 include with
Wind turbine 10 connect frequency conversion IPM modules 11, for drive 11 fan 10 of frequency conversion IPM modules power the first MCU units 12, with
First power supply processing unit 121 of the first MCU units 12 connection and for exporting the of logic control signal according to environmental data
Two MCU units 13, the controller 1 further include second source processing unit 131, the water being connected respectively with the 2nd MCU units 13
Pump controller 132, water level sensor 133, indoor temperature and humidity sensor 134, outdoor temperature sensor 135, optical coupling isolator 14
With wind turbine current detection module 15, the 2nd MCU units 13 are connected by 14 and the first MCU units 12 of optical coupling isolator, institute
The 2nd MCU units 13 are stated to be connected with frequency conversion IPM modules 11 by wind turbine current detection module 15.By setting frequency conversion IPM modules
11 and the first MCU units 12 to wind turbine 10 carry out frequency control, set the 2nd MCU units 13, water pump controller 132, water level pass
Sensor 133, indoor temperature and humidity sensor 134 and outdoor temperature sensor 135 to carry out logic control to air-cooler, can integrate
Situations such as indoor and outdoor surroundings and water level, makes air-cooler most accurate most rational operation control, it is warm and humid to improve conditioned zone
Accuracy is spent, improves its comfort level, the first MCU units 12 and the 2nd MCU units 13 are mutually isolated by optical coupling isolator 14, protect
Card logic control and frequency control are not interfere with each other, more accurately, by the way that 15 moment of wind turbine current detection module is set to pay close attention to wind turbine
Operating condition can reduce wind turbine frequent starting number, reduce energy consumption.
Specifically, frequency conversion IPM modules 11 are intelligent power module.
Further, driving power control module 16 is further included, the driving power control module 16 includes control terminal, first
Output terminal and second output terminal, the control terminal and the 2nd MCU units 13 connect, first output terminal and the processing of the first power supply
Unit 121 connects, and the second output terminal and second source processing unit 131 connect.It is mutually independent first defeated by setting
Outlet and second output terminal are connected respectively with the first power supply processing unit 121 and second source processing unit 131, respectively to
One MCU units 12 and the 2nd MCU units 13 are powered, and are ensured that two MCU units are powered independently of each other, are not interfere with each other；Driving power
The control terminal of control module 16 and the 2nd MCU units 13 connect, by the logic control of the 2nd MCU units 13 so that air-cooler
Power supply is more safe and reliable.
Further, the first power supply processing unit 121 and second source processing unit 131 not altogether, individually using not
Same electric power network.
Further, line control machine 2 is further included, the line control machine 2 includes the 3rd MCU units 21 and mono- with the 3rd MCU respectively
485 driving interface 24 of touch button 22, segment encode liquid crystal display component 23 and line control machine end of 21 connection of member, the controller 1 is also
Including 485 driving interface 17 of controller end for being used to be connected with line control machine 2,485 driving interface 17 and second of controller end
MCU units 13 connect.By setting line control machine 2, can parameter setting be carried out to air-cooler with person more convenient to use and checked
Current ambient conditions and air-cooler operating condition.Segment encode liquid crystal display component 23 is colored segment encode liquid crystal display component.
Further, the controller 1 further includes the WiFi module 18 being connected with the 2nd MCU units 13.It is provided with WiFi moulds
Block 18 can carry out remote control convenient for users to being connected by the controller 1 of WIFI and air-cooler to air-cooler.
After user sets operating mode and running parameter by line control machine 2, the 2nd MCU units 13 acquisition controlled area
Humiture and outdoor environment temperature compared with design temperature and humidity, meet unlocking condition and are switched on water pump and wind turbine 10, and
According to measured value and the difference and environment temperature of setting value, optimize 10 rotating speed of wind turbine.
When opening wind turbine 10, the first MCU units 12 receive what the 2nd MCU units 13 were sended over by optical coupling isolator 14
Instruction, 11 fan 10 of driving frequency conversion IPM modules are powered, and wind turbine is started to work.
When opening water pump, the 2nd MCU units 13 continue sensed water level by water level sensor 133, when water level is relatively low into
Row moisturizing is even switched off water pump and wind turbine 10, and shows that water shortage is alarmed by segment encode liquid crystal display component 23.
With reference to Fig. 2-Fig. 8, a kind of control circuit applied to above-mentioned frequency conversion air-cooler control system of the invention, the control
Device 1 processed includes frequency-variable module circuit 31, the Frequency Drive Control circuit 32 being connected with frequency-variable module circuit 31 and frequency conversion drive control
The air-cooler logic control circuit 33 of the connection of circuit 32 processed, the relay driving being connected respectively with air-cooler logic control circuit 33
34 and 485 level shifting circuit 35 of circuit and connect respectively with Frequency Drive Control circuit 32 and air-cooler logic control circuit
33 power circuit 36 is connect, the frequency-variable module circuit 31 includes frequency conversion IPM modules 11, and the Frequency Drive Control circuit 32 wraps
The first MCU units 12 are included, the air-cooler logic control circuit 33 includes the 2nd MCU units 13, and the power circuit 36 includes
First power supply processing unit 121 and second source processing unit 131, the Frequency Drive Control circuit 32 include light-coupled isolation electricity
Road 321, the optical coupling isolation circuit 321 include optical coupling isolator 14, the optical coupling isolation circuit 321 and air-cooler logic control
Circuit 33 connects, and the frequency-variable module circuit 31 includes wind turbine current detection circuit 311, the fan circuit detection circuit 311
Including wind turbine current detection module 15, the fan circuit detection circuit 311 is connected with air-cooler logic control circuit 33.Pass through
Frequency-variable module circuit 31 and Frequency Drive Control circuit 32 is set to carry out frequency control to wind turbine, air-cooler logic control electricity is set
Road 33 and relay drive circuit 34 to carry out logic control to air-cooler, air-cooler can be made most accurate most rational
Operation control, improves conditioned zone humiture accuracy, improves its comfort level, Frequency Drive Control circuit 32 and air-cooler are patrolled
It is mutually isolated by optical coupling isolation circuit 321 to collect control circuit 33, ensures that logic control and frequency control are not interfere with each other, it is more smart
Really, by set 311 moment of wind turbine current detection circuit pay close attention to fan operation situation, wind turbine frequent starting number can be reduced,
Reduce energy consumption.
Further, the power circuit 36 turns including driving power control circuit 361, power feedback 362 and power supply
Circuit 363 is changed, the driving power control circuit 361, power feedback 362 and power-switching circuit 363 are sequentially connected, institute
It states power-switching circuit 363 to be connected with Frequency Drive Control circuit 32 and air-cooler logic control circuit 33 respectively, the power supply
Conversion circuit 363 includes the first power supply processing unit 121 and second source processing unit 131.
Driving power control circuit 361 includes two PTC resistors 3611 in parallel, one end of PTC resistor and AC power
Firewire ACL connections, the other end are connected with rectifier bridge 3612, and 3612 output terminal of rectifier bridge is connected with power feedback 362.Driving
Power control circuit 361 further includes the relay 3613 in parallel with PTC resistor 3611, the control terminal of the relay 3613 and after
The output terminal RY5 connections of electrical apparatus driving circuit 34.When being initially powered, powered by two PTC resistors 3611 in parallel, after a period of time
Change and power supply is closed by relay 3613, play the role of powered on moment and inhibit interference.
Further, the frequency-variable module circuit 31 is by the three-phase motor driving chip of model SCM1242MF and its periphery
Circuit is formed.U, V, W three-phase output end of SCM1242MF three-phase motor driving chips are connected with wind turbine 10, and wherein W phases are provided with
Wind turbine current detection module 15.
Further, the Frequency Drive Control circuit 32 is by the drive control chip of model STM8S005 and its periphery electricity
Road is formed.
Further, the air-cooler logic control circuit 33 by model R7F0C908B2DFP logic control chip and
Its peripheral circuit is formed.
The above is presently preferred embodiments of the present invention, the invention is not limited in the above embodiment, as long as
It reaches the technique effect of the present invention with identical means, should all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of frequency conversion air-cooler control system, which is characterized in that including controller (1), the controller (1) includes and wind turbine
(10) the frequency conversion IPM modules (11) of connection, the first MCU units for driving frequency conversion IPM modules (11) fan (10) power supply
(12), the first power supply processing unit (121) for being connected with the first MCU units (12) and for exporting logic control according to environmental data
2nd MCU units (13) of signal processed, the controller (1) further include the second electricity being connected respectively with the 2nd MCU units (13)
Source processing unit (131), water pump controller (132), water level sensor (133), indoor temperature and humidity sensor (134), outdoor temp
Degree sensor (135), optical coupling isolator (14) and wind turbine current detection module (15), the 2nd MCU units (13) pass through light
Coupling isolator (14) and the connection of the first MCU units (12), the 2nd MCU units (13) pass through wind turbine current detection module (15)
It is connected with frequency conversion IPM modules (11).
2. a kind of frequency conversion air-cooler control system according to claim 1, which is characterized in that further include driving power control
Module (16), the driving power control module (16) include control terminal, the first output terminal and second output terminal, the control terminal
It is connected with the 2nd MCU units (13), first output terminal and the connection of the first power supply processing unit (121), second output
End and second source processing unit (131) connection.
3. a kind of frequency conversion air-cooler control system according to claim 1, which is characterized in that the first power supply processing is single
First (121) and second source processing unit (131) not altogether, individually using different electric power networks.
4. a kind of frequency conversion air-cooler control system according to claim 1, which is characterized in that further include line control machine (2), institute
Stating line control machine (2) includes the 3rd MCU units (21) and the touch button (22) being connected respectively with the 3rd MCU units (21), section
Code liquid crystal display component (23) and 485 driving interface of line control machine end (24), the controller (1), which further includes, to be used for and line control machine
(2) 485 driving interface of controller end (17) of connection, 485 driving interface of controller end (17) and the 2nd MCU units (13)
Connection.
5. a kind of frequency conversion air-cooler control system according to claim 1, which is characterized in that the controller (1) is also wrapped
Include the WiFi module (18) being connected with the 2nd MCU units (13).
6. a kind of control circuit applied to any frequency conversion air-cooler control systems of claim 1-5, which is characterized in that
The Frequency Drive Control circuit that the controller (1) includes frequency-variable module circuit (31), is connected with frequency-variable module circuit (31)
(32), the air-cooler logic control circuit (33) that is connected with Frequency Drive Control circuit (32), respectively with air-cooler logic control
Circuit (33) connection relay drive circuit (34) and 485 level shifting circuits (35) and respectively with Frequency Drive Control
Circuit (32) connects the power circuit (36) of (33) with air-cooler logic control circuit, and the frequency-variable module circuit (31) includes institute
The frequency conversion IPM modules (11) stated, the Frequency Drive Control circuit (32) includes the first MCU units (12), described cold
Wind turbine logic control circuit (33) includes the 2nd MCU units (13), and the power circuit (36) includes described first
Power supply processing unit (121) and second source processing unit (131), the Frequency Drive Control circuit (32) include light-coupled isolation
Circuit (321), the optical coupling isolation circuit (321) include the optical coupling isolator (14), the optical coupling isolation circuit (321)
It is connected with air-cooler logic control circuit (33), the frequency-variable module circuit (31) includes wind turbine current detection circuit (311), institute
Stating fan circuit detection circuit (311) includes the wind turbine current detection module (15), the fan circuit detection circuit
(311) it is connected with air-cooler logic control circuit (33).
A kind of 7. frequency conversion air-cooler control circuit according to claim 6, which is characterized in that power circuit (36) bag
Include driving power control circuit (361), power feedback (362) and power-switching circuit (363), the driving power control
Circuit (361), power feedback (362) and power-switching circuit (363) are sequentially connected, the power-switching circuit (363)
It is connected respectively with Frequency Drive Control circuit (32) and air-cooler logic control circuit (33), the power-switching circuit (363)
Including the first power supply processing unit (121) and second source processing unit (131).
A kind of 8. frequency conversion air-cooler control circuit according to claim 6, which is characterized in that the frequency-variable module circuit
(31) it is made of the three-phase motor driving chip and its peripheral circuit of model SCM1242MF.
A kind of 9. frequency conversion air-cooler control circuit according to claim 6, which is characterized in that the Frequency Drive Control electricity
Road (32) is made of the drive control chip and its peripheral circuit of model STM8S005.
A kind of 10. frequency conversion air-cooler control circuit according to claim 6, which is characterized in that the air-cooler logic control
Circuit (33) processed is made of the logic control chip and its peripheral circuit of model R7F0C908B2DFP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439854.XA CN108105967B (en) | 2017-12-25 | 2017-12-25 | Variable-frequency air cooler control system and control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439854.XA CN108105967B (en) | 2017-12-25 | 2017-12-25 | Variable-frequency air cooler control system and control circuit |
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| Publication Number | Publication Date |
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| CN108105967A true CN108105967A (en) | 2018-06-01 |
| CN108105967B CN108105967B (en) | 2024-03-26 |
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| CN201711439854.XA Active CN108105967B (en) | 2017-12-25 | 2017-12-25 | Variable-frequency air cooler control system and control circuit |
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| CN108105967B (en) | 2024-03-26 |
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