CN109882438A - A kind of double frequency conversion speed-adjusting systems of electric fan - Google Patents
A kind of double frequency conversion speed-adjusting systems of electric fan Download PDFInfo
- Publication number
- CN109882438A CN109882438A CN201910205888.5A CN201910205888A CN109882438A CN 109882438 A CN109882438 A CN 109882438A CN 201910205888 A CN201910205888 A CN 201910205888A CN 109882438 A CN109882438 A CN 109882438A
- Authority
- CN
- China
- Prior art keywords
- frequency
- variable controller
- auxiliary
- controller
- 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.)
- Pending
Links
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a kind of double frequency conversion speed-adjusting systems of electric fan in variable-frequency control technique field, including PLC controller, main frequency-variable controller, auxiliary frequency-variable controller, double conversion power supply loop switching circuits and motor, PLC controller respectively with temperature sensor, human-computer interaction interface, inverter, main frequency-variable controller and the electrical connection of auxiliary frequency-variable controller, main frequency-variable controller and auxiliary frequency-variable controller pass through double conversion power supply loop switching circuits and are electrically connected motor, inverter is electrically connected wireless communication module, radio communication mold block signal connects mobile terminal, main current supply circuit and auxiliary current supply circuit between main frequency-variable controller and auxiliary frequency-variable controller and motor pass through A.C. contactor locking each other, A.C. contactor includes the switch KM1 and switch KM3 of main current supply circuit and the switch KM2 and KM4 of auxiliary current supply circuit, it realizes double Frequency control, increases the safety and reliability of system, remotely monitors its operation conditions, improves the automatization level of electric fan.
Description
Technical field
The present invention relates to variable-frequency control technique field, the double frequency conversion speed-adjusting systems of specially a kind of electric fan.
Background technique
Air conditioner cold-warm equipment can effectively improve indoor temperature, still, people it is often found that, open air-conditioning indoors
After changes in temperature equipment, temperature difference of the ground often between roof is very big, and people is allowed to feel uncomfortable, and especially those suffer from air-conditioning disease
Crowd, be not suitable for blowing air-conditioning.On the other hand, since room air circulation is unsmooth, if airing clothes in the room, can also make
Mould or peculiar smell are generated in closed room.How efficiently indoor air flow to be promoted to replace, the solution Interior Space stagnation of the circulation of vital energy is idle, realizes indoor
Temperature changes in temperature are balanced, directly result in generation of the invention.
In order to recycle room air sufficiently, worked using electric fan, people work as room when using fan
When interior temperature reduces, the motor of fan is still worked normally, i.e., the operating of fan continuation high speed, people can not adjust fan
Revolving speed.Time length can shorten the service life of fan in this way.There is the frequency control dress of control fan motor rotational speed in the prior art
It sets, but the device is connected with the power supply of fan, using the work of wired connection mode control fan motor.If people exist
Apart from fan remote position, it is unable to control the work of fan motor.In addition, fan frequency conversion needs to carry out by frequency-variable controller
Control, frequency-variable controller be easy influenced by high temperature, damage, cause fan that cannot work on, influence using.
Based on this, the present invention devises a kind of double frequency conversion speed-adjusting systems of electric fan, to solve the above problems.
Summary of the invention
Double frequency controls are realized the purpose of the present invention is to provide a kind of, increase the safety and reliability of system, far
Journey monitors its operation conditions, the double frequency conversion speed-adjusting systems of electric fan of the automatization level of electric fan is improved, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme: a kind of double frequency conversion speed-adjusting systems of electric fan, including
PLC controller, main frequency-variable controller, auxiliary frequency-variable controller, double conversion power supply loop switching circuits and motor, the PLC control
Device is electrically connected with temperature sensor, human-computer interaction interface, inverter, main frequency-variable controller and auxiliary frequency-variable controller respectively, described
Main frequency-variable controller and auxiliary frequency-variable controller pass through double conversion power supply loop switching circuits and are electrically connected motor, and the inverter is electrically connected
Wireless communication module is connect, the radio communication mold block signal connects mobile terminal；
Double conversion power supply loop switching circuits are by main frequency-variable controller, auxiliary frequency-variable controller, motor and A.C. contactor group
At main current supply circuit and auxiliary current supply circuit between the main frequency-variable controller and auxiliary frequency-variable controller and motor are connect by exchanging
Locking, the A.C. contactor include the switch KM1 and switch KM3 of main current supply circuit and opening for auxiliary current supply circuit to tentaculum each other
Close KM2 and KM4.
Preferably, the PLC controller includes CPU, Thermocouple module, Analog input mModule circuit, between each module
It is connected by core bus, order of connection CPU, Analog input mModule, Thermocouple module.
Preferably, the temperature sensor is made of two E types or K-type armoured thermocouple, is mounted on the side of motor, is led to
Overcompensation conducting wire is connected on the Thermocouple module of PLC controller.
Preferably, the frequency of the inverter output AC electricity exports main frequency-variable controller and auxiliary frequency-variable controller
Converting direct-current power into alternating-current power and output motor, the inverter use Sol SAA-1000W series inverter.
Preferably, the CPU of the PLC controller by CANopen cable respectively with main frequency-variable controller and auxiliary frequency conversion control
Device processed is communicated, and the main frequency-variable controller and auxiliary frequency-variable controller feed back to PLC controller by current feedback cable
Analog input mModule circuit.
Preferably, the wireless communication module uses WIFI module or gsm wireless communication module.
Preferably, the motor is at least one group, for driving electric fan to work.
Preferably, the mobile terminal is mobile phone or plate.
Compared with prior art, the beneficial effects of the present invention are: the present invention detects motor work temperature by temperature sensor
Degree, by temperature signal, temperature signal is sent to mobile terminal, Ren Mentong by module by wireless communication under PLC controller processing
It crosses mobile terminal and temperature signal is generated into temperature control signals, and module is sent to inversion by wireless communication again by control signal
Device makes inverter export above-mentioned control frequency, achievees the effect that control the motor of electric fan；
Using main frequency-variable controller and auxiliary frequency-variable controller, by double conversion power supply loop switching circuits, realize to motor from
Dynamic switching, guarantees the normal work of electric fan, using auxiliary frequency-variable controller as spare, realizes double frequency controls, increases system
Safety and reliability, remotely monitor its operation conditions, improve the automatization level of electric fan, reduce person works
Amount.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is present system block diagram；
Fig. 2 is the double conversion power supply loop switching circuit figures of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of double frequency conversion speed-adjusting systems of electric fan, including PLC control
Device, main frequency-variable controller, auxiliary frequency-variable controller, double conversion power supply loop switching circuits and motor processed, the PLC controller difference
It is electrically connected with temperature sensor, human-computer interaction interface, inverter, main frequency-variable controller and auxiliary frequency-variable controller, the main transformer frequency
Controller and auxiliary frequency-variable controller pass through double conversion power supply loop switching circuits and are electrically connected motor, and the inverter electrical connection is wireless
Communication module, the radio communication mold block signal connect mobile terminal, and double conversion power supply loop switching circuits are by main transformer frequency
Controller, auxiliary frequency-variable controller, motor and A.C. contactor composition, the main frequency-variable controller and auxiliary frequency-variable controller and motor
Between main current supply circuit and auxiliary current supply circuit locking, the A.C. contactor include main power back each other by A.C. contactor
The switch KM1 and switch KM3 on road and the switch KM2 and KM4 of auxiliary current supply circuit.
Wherein, the PLC controller includes CPU, Thermocouple module, Analog input mModule circuit, is led between each module
Core bus connection is crossed, order of connection CPU, Analog input mModule, Thermocouple module, the temperature sensor is by two E
Type or K-type armoured thermocouple composition, are mounted on the side of motor, the Thermocouple module of PLC controller are connected to by compensating wire
On, can acquire in real time fan motor work temperature, the frequency of the inverter output AC electricity, by main frequency-variable controller with
The converting direct-current power into alternating-current power and output motor of auxiliary frequency-variable controller output, the inverter use Sol SAA-1000W system
Column inverter, the CPU of the PLC controller by CANopen cable respectively with main frequency-variable controller and auxiliary frequency-variable controller into
Row communication, PLC controller can be defeated to control main frequency-variable controller or auxiliary frequency-variable controller according to setpoint frequency or adjusting frequency
Frequency out, to adjust the revolving speed of motor, main frequency-variable controller and auxiliary frequency-variable controller pass through inner parameter setting definition frequency conversion
The analog quantity channel of device is motor operating current signal, and the analog input of PLC controller is fed back to by current feedback cable 6
Modular circuit forms current feedback signal, and the main frequency-variable controller and auxiliary frequency-variable controller are fed back by current feedback cable
To the Analog input mModule circuit of PLC controller, the wireless communication module communicates mould using WIFI module or gsm wireless
Block, the motor is at least one group, for driving electric fan to work, including the motor and control electricity for providing flabellum work
The motor etc. of fan head swinging, the mobile terminal are mobile phone or plate.
One concrete application of the present embodiment are as follows: under normal circumstances, main transformer is arranged by input unit human-computer interaction interface
Frequency controller and auxiliary frequency-variable controller start-up parameters, and PLC controller reception processing is provided, then change-over switch is closed, main confession
On electrical circuit position, main frequency-variable controller output high level signal closure A.C. contactor switch KM1 and switch KM3, realization pair
The frequency control of motor, when main frequency-variable controller or the failure of main current supply circuit, main frequency-variable controller will export low level
Signal disconnects A.C. contactor switch KM1 and switch KM3, since A.C. contactor switch KM1 and A.C. contactor switch KM2 are mutual
Lock, A.C. contactor switch KM3 and A.C. contactor switch KM4 interlocking, therefore, A.C. contactor switch KM2, KM4 are closed automatically
It closes, works at this point, automatically switching under auxiliary frequency-variable controller state of a control, guarantee the normal work of electric fan, in addition, passing through temperature
It spends sensor and detects motor operating temperature, module believes temperature by wireless communication under PLC controller processing by temperature signal
It number is sent to mobile terminal, temperature signal is generated temperature control signals by mobile terminal by people, and control signal is led to again
It crosses wireless communication module and is sent to inverter, so that inverter is exported above-mentioned control frequency, reach and the motor of electric fan is controlled
The effect of system.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (8)
1. a kind of double frequency conversion speed-adjusting systems of electric fan, including PLC controller, main frequency-variable controller, auxiliary frequency-variable controller, double frequency conversions
Current supply circuit switching circuit and motor, it is characterised in that: the PLC controller respectively with temperature sensor, human-computer interaction interface,
Inverter, main frequency-variable controller and the electrical connection of auxiliary frequency-variable controller, the main frequency-variable controller and auxiliary frequency-variable controller pass through double
Conversion power supply loop switching circuit is electrically connected motor, and the inverter is electrically connected wireless communication module, the wireless communication module
Signal connects mobile terminal；
Double conversion power supply loop switching circuits are by main frequency-variable controller, auxiliary frequency-variable controller, motor and A.C. contactor group
At main current supply circuit and auxiliary current supply circuit between the main frequency-variable controller and auxiliary frequency-variable controller and motor are connect by exchanging
Locking, the A.C. contactor include the switch KM1 and switch KM3 of main current supply circuit and opening for auxiliary current supply circuit to tentaculum each other
Close KM2 and KM4.
2. a kind of double frequency conversion speed-adjusting systems of electric fan according to claim 1, it is characterised in that: the PLC controller packet
CPU, Thermocouple module, Analog input mModule circuit are included, is connected between each module by core bus, order of connection CPU,
Analog input mModule, Thermocouple module.
3. a kind of double frequency conversion speed-adjusting systems of electric fan according to claim 2, it is characterised in that: the temperature sensor by
Two E types or K-type armoured thermocouple composition, are mounted on the side of motor, the thermocouple of PLC controller are connected to by compensating wire
In module.
4. a kind of double frequency conversion speed-adjusting systems of electric fan according to claim 1, it is characterised in that: the inverter output is handed over
The frequency of galvanic electricity, the converting direct-current power into alternating-current power and output motor that main frequency-variable controller and auxiliary frequency-variable controller are exported, institute
Inverter is stated using Sol SAA-1000W series inverter.
5. a kind of double frequency conversion speed-adjusting systems of electric fan according to claim 2, it is characterised in that: the PLC controller
CPU is communicated with main frequency-variable controller and auxiliary frequency-variable controller respectively by CANopen cable, the main frequency-variable controller and
Auxiliary frequency-variable controller feeds back to the Analog input mModule circuit of PLC controller by current feedback cable.
6. a kind of double frequency conversion speed-adjusting systems of electric fan according to claim 1, it is characterised in that: the wireless communication module
Using WIFI module or gsm wireless communication module.
7. a kind of double frequency conversion speed-adjusting systems of electric fan according to claim 1, it is characterised in that: the motor is at least one
Group, for driving electric fan to work.
8. a kind of double frequency conversion speed-adjusting systems of electric fan according to claim 1, it is characterised in that: the mobile terminal is hand
Machine or plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205888.5A CN109882438A (en) | 2019-03-19 | 2019-03-19 | A kind of double frequency conversion speed-adjusting systems of electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205888.5A CN109882438A (en) | 2019-03-19 | 2019-03-19 | A kind of double frequency conversion speed-adjusting systems of electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109882438A true CN109882438A (en) | 2019-06-14 |
Family
ID=66932966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910205888.5A Pending CN109882438A (en) | 2019-03-19 | 2019-03-19 | A kind of double frequency conversion speed-adjusting systems of electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109882438A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091806A (en) * | 2019-12-02 | 2020-05-01 | 广东博智林机器人有限公司 | Motor noise reduction device, motor device and motor noise reduction method |
| CN111252687A (en) * | 2020-01-16 | 2020-06-09 | 江苏海事职业技术学院 | Remote control electrodeless variable frequency speed regulation draw gear |
| CN111628691A (en) * | 2020-06-18 | 2020-09-04 | 上海电气集团上海电机厂有限公司 | Modular digital motor system |
| CN112725939A (en) * | 2020-12-31 | 2021-04-30 | 荣成碳纤维科技有限公司 | Double-frequency-conversion system of spinning solution delivery pump and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5941193A (en) * | 1982-08-30 | 1984-03-07 | Toshiba Corp | Controller for turbo refrigerator |
| CN201222716Y (en) * | 2008-04-30 | 2009-04-15 | 安徽继远电网技术有限责任公司 | Variable-frequency control system for transformer substation main cooling fan |
| CN201434400Y (en) * | 2009-04-10 | 2010-03-31 | 上海市东方海事工程技术有限公司 | Double-frequency conversion velocity regulation control device of air preheater |
| CN104564763A (en) * | 2013-10-29 | 2015-04-29 | 大连生容享科技有限公司 | Fan variable frequency speed control system based on computer control |
| CN206117293U (en) * | 2016-09-28 | 2017-04-19 | 北方华锦化学工业集团有限公司 | Each other is equipped with control circuit industrial furnace fan dual supply converter |
-
2019
- 2019-03-19 CN CN201910205888.5A patent/CN109882438A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5941193A (en) * | 1982-08-30 | 1984-03-07 | Toshiba Corp | Controller for turbo refrigerator |
| CN201222716Y (en) * | 2008-04-30 | 2009-04-15 | 安徽继远电网技术有限责任公司 | Variable-frequency control system for transformer substation main cooling fan |
| CN201434400Y (en) * | 2009-04-10 | 2010-03-31 | 上海市东方海事工程技术有限公司 | Double-frequency conversion velocity regulation control device of air preheater |
| CN104564763A (en) * | 2013-10-29 | 2015-04-29 | 大连生容享科技有限公司 | Fan variable frequency speed control system based on computer control |
| CN206117293U (en) * | 2016-09-28 | 2017-04-19 | 北方华锦化学工业集团有限公司 | Each other is equipped with control circuit industrial furnace fan dual supply converter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091806A (en) * | 2019-12-02 | 2020-05-01 | 广东博智林机器人有限公司 | Motor noise reduction device, motor device and motor noise reduction method |
| CN111252687A (en) * | 2020-01-16 | 2020-06-09 | 江苏海事职业技术学院 | Remote control electrodeless variable frequency speed regulation draw gear |
| CN111628691A (en) * | 2020-06-18 | 2020-09-04 | 上海电气集团上海电机厂有限公司 | Modular digital motor system |
| CN112725939A (en) * | 2020-12-31 | 2021-04-30 | 荣成碳纤维科技有限公司 | Double-frequency-conversion system of spinning solution delivery pump and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109882438A (en) | A kind of double frequency conversion speed-adjusting systems of electric fan | |
| CN104132420B (en) | Low-power consumption standby circuit device, air conditioner and control method of air conditioner | |
| CN109764503B (en) | Outdoor power supply control circuit of air conditioner and air conditioner | |
| CN103488159B (en) | A kind of distribution box type smart home terminal and integrated protection controller | |
| CN104991510A (en) | One-in-service-one-standby water pump variable frequency electric control system and control method | |
| CN108628369A (en) | A kind of long-range closed-loop device control module and control method applied to wisdom agricultural | |
| CN112509829B (en) | External remote control device and system for manual opening and closing knob of circuit breaker | |
| CN110412926A (en) | A kind of electric power channel ambient intelligence monitoring system based on LoRa technology | |
| CN103940060B (en) | Air conditioning system and control method of air conditioning system | |
| CN104485857A (en) | Blower fan speed regulation circuit, method, system and application | |
| CN205191841U (en) | Many online air conditioning system's drive arrangement and how online air conditioning system | |
| CN210680710U (en) | Distributed electric system of variable-frequency air conditioner of rail train | |
| CN201690400U (en) | Frequency-conversion soft-start hybrid power cabinet | |
| CN104850023B (en) | The current ring communication of air conditioner and its outdoor unit and power-supplying circuit and method | |
| CN112583113A (en) | Intelligent power supply management system | |
| CN105674517A (en) | Precise air conditioner energy saving device for machine room and energy-saving control method | |
| WO2020077787A1 (en) | Air-conditioning device, and electric energy processing method for air-conditioning device | |
| CN204790497U (en) | It is equipped with pump variable frequency electrical system to use one | |
| CN210007640U (en) | air conditioner frequency conversion regulating circuit | |
| CN208283823U (en) | Controller of cooler for transformer and transformer cooler control system | |
| CN204041502U (en) | A kind of cooling blower control system | |
| CN109140681A (en) | A kind of substation's air conditioner energy saving management method and system | |
| CN205333831U (en) | Experimental loading system of welding source | |
| CN2755861Y (en) | Fan control cabinet unit apparatus of speed-adjusting reversing dual system with variable frequency in subway | |
| CN206694299U (en) | A kind of Double Speed Fan control device communicated based on RS 485 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190614 |
|
| WD01 | Invention patent application deemed withdrawn after publication |