CN205407652U - Inverter motor control circuit - Google Patents
Inverter motor control circuit Download PDFInfo
- Publication number
- CN205407652U CN205407652U CN201620137296.6U CN201620137296U CN205407652U CN 205407652 U CN205407652 U CN 205407652U CN 201620137296 U CN201620137296 U CN 201620137296U CN 205407652 U CN205407652 U CN 205407652U
- Authority
- CN
- China
- Prior art keywords
- diode
- connects
- electric capacity
- chip
- pin
- 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
Landscapes
- Control Of Ac Motors In General (AREA)
Abstract
The utility model discloses an inverter motor control circuit, including electric capacity C1, diode D2, chip IC and motor M, electric capacity C1's one end is connected transient voltage and is restrained diode DW, inverter motor M and 220V alternating current, and diode D1's positive pole and diode D2's negative pole are connected to electric capacity C1's the other end, and electric capacity C2, electric capacity C3 and chip IC's pin 1 is connected to diode D2's positive pole. The utility model discloses inverter motor control circuit simple structure, components and parts are few, use 555 timer chip and bidirectional thyristor to combine to constitute motor frequency control ware, and the angle of flow through changing the bidirectional thyristor and then realized the control to motor rotation number has still set up grid fluctuation suppression component in the circuit simultaneously, has increased the stability of circuit, therefore has had the advantage that convenient to use, stable performance and interference immunity are strong.
Description
Technical field
This utility model relates to a kind of control circuit, specifically a kind of frequency conversion motor control circuit.
Background technology
Frequency conversion motor is the motor that modernized electronic technique is conventional, there is the advantages such as precision height, stabilization of speed, industrial mechanical automation degree and production efficiency can be improved, the most structure of frequency conversion motor control circuit in the market is complicated, power consumption is high, not only cost of manufacture is high, and increase the volume of frequency conversion motor, it is unfavorable for the purpose of the miniaturization of equipment, energy-saving, and existing frequency-variable controller is easily subject to the impact of power network fluctuation, the control accuracy causing motor declines, it is possible to cause extremely serious consequence.
Summary of the invention
The purpose of this utility model is in that to provide a kind of frequency conversion motor control circuit, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:
nullA kind of frequency conversion motor control circuit，Including electric capacity C1、Diode D2、Chip IC and motor M，One end of described electric capacity C1 connects transient voltage suppressor diode DW、Frequency conversion motor M and 220V alternating current，The other end of electric capacity C1 connects the anode of diode D1 and the negative electrode of diode D2，The anode of diode D2 connects electric capacity C2、The pin 1 of electric capacity C3 and chip IC，The negative electrode of diode D1 connects the other end of electric capacity C2、Resistance R11、The negative electrode of diode D6、The other end of transient voltage suppressor diode DW、One main electrode of bidirectional thyristor Q1、The other end of 220V alternating current、The pin 4 of chip IC and the pin 8 of chip IC，The other end of frequency conversion motor M connects another main electrode of bidirectional thyristor Q1，The control pole of bidirectional thyristor Q1 connects resistance R3，The other end of resistance R3 connects the pin 3 of chip IC，The pin 2 of chip IC connects the sliding end of potentiometer RP、The other end of electric capacity C3 and the pin 6 of chip IC，One of potentiometer RP is fixing, and end connects resistance R2，The other end of resistance R2 connects the anode of diode D4，The negative electrode of diode D4 connects the other end of resistance R11、The anode of diode D5 and the pin 7 of chip IC，Another fixing end of potentiometer RP connects the negative electrode of diode D5，The model of described chip IC is NE555.
As preferred version of the present utility model: described diode D3 is light emitting diode.
Compared with prior art, the beneficial effects of the utility model are: this utility model frequency conversion motor control circuit simple in construction, components and parts are few, 555 timer chips and bidirectional thyristor is used to combine composition electric machine frequency controller, by changing the angle of flow of bidirectional thyristor and then achieving the control to motor speed, circuit is also provided with power network fluctuation straining element simultaneously, add the stability of circuit, the advantage therefore with easy to use, stable performance and strong interference immunity.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of frequency conversion motor control circuit.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，A kind of frequency conversion motor control circuit，Including electric capacity C1、Diode D2、Chip IC and motor M，One end of described electric capacity C1 connects transient voltage suppressor diode DW、Frequency conversion motor M and 220V alternating current，The other end of electric capacity C1 connects the anode of diode D1 and the negative electrode of diode D2，The anode of diode D2 connects electric capacity C2、The pin 1 of electric capacity C3 and chip IC，The negative electrode of diode D1 connects the other end of electric capacity C2、Resistance R11、The negative electrode of diode D6、The other end of transient voltage suppressor diode DW、One main electrode of bidirectional thyristor Q1、The other end of 220V alternating current、The pin 4 of chip IC and the pin 8 of chip IC，The other end of frequency conversion motor M connects another main electrode of bidirectional thyristor Q1，The control pole of bidirectional thyristor Q1 connects resistance R3，The other end of resistance R3 connects the pin 3 of chip IC，The pin 2 of chip IC connects the sliding end of potentiometer RP、The other end of electric capacity C3 and the pin 6 of chip IC，One of potentiometer RP is fixing, and end connects resistance R2，The other end of resistance R2 connects the anode of diode D4，The negative electrode of diode D4 connects the other end of resistance R11、The anode of diode D5 and the pin 7 of chip IC，Another fixing end of potentiometer RP connects the negative electrode of diode D5，The model of described chip IC is NE555.
Diode D3 is light emitting diode.
Operation principle of the present utility model is: the power circuit in circuit is made up of decompression capacitor Cl, commutation diode D1, D2, filter capacitor C2, transient voltage suppressor diode DW, power supply indication light diode D3 and Zener diode D6.Transient voltage suppressor diode DW can by the peak voltage clamper of city's electro-mechanical wave generation to safety value, thus preventing peak voltage from component causing damage and affects control accuracy, controlled oscillator is made up of time-base integrated circuit IC, resistor RI, R2, capacitor C3, potentiometer RP and diode D3, D4.Control to perform circuit to be made up of fan motor M, IGCT Q1, resistor R3 and IC the 3rd foot internal circuit.Alternating current 220V voltage, after Cl blood pressure lowering, D1 and D2 rectification, VL and VS voltage stabilizing and C2 filter, provides the DC voltage of about 8V for IC.After controlled oscillator oscillatory work, from the 3 feet output cycles of IC be 105, the continuously adjustable oscillation pulse signal of dutycycle, utilize this pulse signal to go to control the conducting state of IGCT Q1.The resistance of regulator potentiometer RP, can change the dutycycle (range of accommodation is 1%-99%) of pulse signal, controls the height of fan motor M rotating speed, produces natural wind simulating (cycle is the fitful wind of 10s).Change the capacitance of C3, thus it is possible to vary the vibration Zhou Shuo of agitator, thus changing the cycle of natural wind simulating.
Claims (2)
- null1. a frequency conversion motor control circuit，Including electric capacity C1、Diode D2、Chip IC and motor M，It is characterized in that，One end of described electric capacity C1 connects transient voltage suppressor diode DW、Frequency conversion motor M and 220V alternating current，The other end of electric capacity C1 connects the anode of diode D1 and the negative electrode of diode D2，The anode of diode D2 connects electric capacity C2、The pin 1 of electric capacity C3 and chip IC，The negative electrode of diode D1 connects the other end of electric capacity C2、Resistance R11、The negative electrode of diode D6、The other end of transient voltage suppressor diode DW、One main electrode of bidirectional thyristor Q1、The other end of 220V alternating current、The pin 4 of chip IC and the pin 8 of chip IC，The other end of frequency conversion motor M connects another main electrode of bidirectional thyristor Q1，The control pole of bidirectional thyristor Q1 connects resistance R3，The other end of resistance R3 connects the pin 3 of chip IC，The pin 2 of chip IC connects the sliding end of potentiometer RP、The other end of electric capacity C3 and the pin 6 of chip IC，One of potentiometer RP is fixing, and end connects resistance R2，The other end of resistance R2 connects the anode of diode D4，The negative electrode of diode D4 connects the other end of resistance R11、The anode of diode D5 and the pin 7 of chip IC，Another fixing end of potentiometer RP connects the negative electrode of diode D5，The model of described chip IC is NE555.
- 2. a kind of frequency conversion motor control circuit according to claim 1, it is characterised in that described diode D3 is light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620137296.6U CN205407652U (en) | 2016-02-24 | 2016-02-24 | Inverter motor control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620137296.6U CN205407652U (en) | 2016-02-24 | 2016-02-24 | Inverter motor control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205407652U true CN205407652U (en) | 2016-07-27 |
Family
ID=56445796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620137296.6U Active CN205407652U (en) | 2016-02-24 | 2016-02-24 | Inverter motor control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205407652U (en) |
-
2016
- 2016-02-24 CN CN201620137296.6U patent/CN205407652U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203522525U (en) | X-ray machine power factor correction circuit based on passive lossless absorption circuit | |
| CN201550319U (en) | High power LED lighting precision driver | |
| CN205407652U (en) | Inverter motor control circuit | |
| CN203166755U (en) | Regulated power supply with overvoltage prevention function | |
| CN202510394U (en) | Controller of electric fan for simulating natural wind | |
| CN205478481U (en) | Low -cost anti -interference fan control circuit | |
| CN201536324U (en) | Capacitance-resistance voltage reduction circuit and apparatus | |
| CN204347669U (en) | One-way SCR alternating current pressure regulator | |
| CN203931944U (en) | A kind of energy-saving appliance of A.C. contactor | |
| CN202673729U (en) | Simple natural wind simulating device for electric fans | |
| CN102281032B (en) | Speed regulator for single-phase motor | |
| CN205918572U (en) | Refrigerator compressor time delay starting circuit | |
| CN205792491U (en) | A kind of square-wave generator based on intervalometer | |
| CN201805399U (en) | Single-phase motor speed governor | |
| CN205265580U (en) | Direct current motor touches speed regulator | |
| CN206309576U (en) | A kind of asynchronous constant pressure frequency conversion control water pump | |
| CN204518151U (en) | A kind of LED panel lamp power supply | |
| CN205559345U (en) | Motor protective circuit | |
| CN205490458U (en) | Light -operated electronic oscillator circuit | |
| CN204299189U (en) | Many gears construction vibration stick controller | |
| CN203605954U (en) | Quotient meter circuit | |
| CN204597833U (en) | A kind of motor speed control circuit | |
| CN204168566U (en) | A kind of LED drive circuit | |
| CN205647292U (en) | Electric power high -voltage pulse produces circuit | |
| CN203225650U (en) | Half-bridge drive circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 901-2, No. 20, Shijingshan Road, Shijingshan District, Beijing 100040 Patentee after: China Railway Construction Group electromechanical installation Co.,Ltd. Address before: 901-2, No. 20, Shijingshan Road, Shijingshan District, Beijing 100040 Patentee before: CHINA RAILWAY CONSTRUCTION GROUP EQUIPMENT CO.,LTD. |
|
| CP03 | Change of name, title or address |