CN207603493U - A kind of frequency conversion is kneaded circuit - Google Patents
A kind of frequency conversion is kneaded circuit Download PDFInfo
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- CN207603493U CN207603493U CN201721659682.2U CN201721659682U CN207603493U CN 207603493 U CN207603493 U CN 207603493U CN 201721659682 U CN201721659682 U CN 201721659682U CN 207603493 U CN207603493 U CN 207603493U
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- relay
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Abstract
The utility model discloses a kind of frequency conversion and is kneaded circuit,Including disconnecting switch QS,Two reactor AC REACTOR,Electrothermal relay FR1,A.C. contactor MC3,Breaker MCB1,Breaker MCCB,Frequency converter INV,Fuse DF1 2,Wherein disconnecting switch QS input terminals connection kneading machine total power switch,And its output terminal divides two-way to power respectively to kneading machine sending out the hot fan motor and stirring motor,Wherein all the way output terminal connection breaker MCB1,A.C. contactor MC3,Electrothermal relay FR1,Sending out the hot fan motor is connected after reactor AC REACTOR,Drive sending out the hot fan rotation,Another way connects breaker MCCB for output terminal,Reactor AC REACTOR,Then connection frequency converter carries out frequency-conversion processing,Pass through A.C. contactor MC1 connection stirring motors again,Realize that mixing speed is adjusted.
Description
Technical field
The utility model is related to a kind of kneading machine ancillary equipments more particularly to a kind of frequency conversion to be kneaded circuit.
Background technology
In plastic cement manufacture field, need to carry out plastic powder gelatinization mixing, its stirring of existing kneading machine using kneading machine
Speed is a fixed rotating speed, can not be required to carry out suitable speed governing according to product properties, so as to cause plastic cement gelatinization bad.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, providing a kind of frequency conversion to be kneaded circuit, pass through the electricity
The adjusting to mixing speed is realized on road, is reached various mixing gelatinization requirements, is operated using unloaded gap low frequency, reduce electric energy.
To achieve the above object, the utility model proposes following technical solutions：
A kind of frequency conversion is kneaded circuit, including disconnecting switch QS, two reactors AC REACTOR, electrothermal relay FR1, exchange
Contactor MC3, breaker MCB1, breaker MCCB, frequency converter INV, wherein fuse DF1-2, disconnecting switch QS input terminals connect
Kneading machine total power switch is connect, and its output terminal divides two-way to power respectively to kneading machine sending out the hot fan motor and stirring motor,
In output terminal connection breaker MCB1, A.C. contactor MC3, electrothermal relay FR1 all the way, connect after reactor AC REACTOR
Sending out the hot fan motor, driving sending out the hot fan rotation, another way connect breaker MCCB, reactor AC REACTOR for output terminal,
Then connection frequency converter carries out frequency-conversion processing, then by A.C. contactor MC1 connection stirring motors, realizes that mixing speed is adjusted.
Control circuit is further included, specifically includes in control switch relay CR1, starting relay CR2 in parallel, transports at a high speed
Row relay CR4, low speed operation relay CR5, emergency stop control relay CR6, power transfer relay CR7, run indicator RL stop
Only indicator light GL, malfunction indicator lamp YL, exhaust fan, wind turbine and illumination, wherein starting relay CR2 in cabinet, high-speed cruising after
Electric appliance CR4, low speed operation relay CR5, emergency stop control relay CR6, power transfer relay CR7 and run indicator RL connection
Frequency converter, control circuit connection disconnecting switch.
The disconnecting switch QS is GLZ1 series converting isolation switch.
The frequency converter is CIMR frequency converters.
Compared with prior art, a kind of frequency conversion that the utility model discloses is kneaded circuit, by increasing frequency converter and phase
The circuit answered, by the way that relay is controlled to send trigger signal to frequency converter, so as to fulfill the frequency-conversion processing to stirring motor, and then
Mixing speed is adjusted, reaches various mixing gelatinization requirements, further for unloaded gap, is operated using low frequency, reduce electric energy.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model frequency changer circuit；
Fig. 2 is the circuit diagram of the utility model control circuit.
Specific embodiment
Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model embodiment is carried out clear, complete
Description.
As shown in Figs. 1-2, the revealed frequency conversion of the utility model is kneaded circuit, including frequency changer circuit and control circuit,
Middle frequency changer circuit includes disconnecting switch QS, two reactors AC REACTOR, electrothermal relay FR1, A.C. contactor MC3, open circuit
Device MCB1, breaker MCCB, frequency converter INV, fuse DF1-2, wherein disconnecting switch QS input terminals connection kneading machine general supply
Switch, and its output terminal divides two-way to power respectively to kneading machine sending out the hot fan motor and stirring motor, wherein output terminal connects all the way
Breaker MCB1, A.C. contactor MC3, electrothermal relay FR1 are met, sending out the hot fan motor is connected after reactor AC REACTOR, drives
Dynamic sending out the hot fan rotation, another way connect breaker MCCB for output terminal, then reactor AC REACTOR connect frequency converter
Frequency-conversion processing is carried out, then by A.C. contactor MC1 connection stirring motors, realizes that mixing speed is adjusted.
Control circuit connect power supply with disconnecting switch, which has multi-channel control sub-circuit to be formed in parallel, multichannel
Switch relay CR1, starting relay CR2, high-speed cruising relay CR4, low speed run relay CR5 to circuit in order to control, suddenly
Stop controlling relay CR6, power transfer relay CR7, run indicator RL, stop indicator light GL, malfunction indicator lamp YL, air draft in cabinet
Fan, wind turbine and illumination, wherein starting relay CR2, high-speed cruising relay CR4, low speed operation relay CR5, emergency stop control
Relay CR6 processed, power transfer relay CR7 and run indicator RL connection frequency converters, when being closed starting relay, frequency converter starts
Stirring motor rotates, and motor high-speed cruising, low speed operation relay control motor low speed fortune are controlled by high-speed cruising relay
Row, and emergency stop relay then controls motor to stop, and sends trigger signal to frequency converter during failure in addition and carries out fault pre-alarming.
The disconnecting switch QS be GLZ1 series converting isolation switch, breaker MCCB model NSX630N3630, frequency conversion
Device is CIMR frequency converters, and A.C. contactor MC1 model LC1D620M7C, breaker MCB1 model IC65N-C6/3P are handed over
Flow contactor MC3 model LC1D09M7C, electrothermal relay FR1 models LD04N.
A kind of revealed frequency conversion of the utility model is kneaded circuit, and three phase mains is carried through QS disconnecting switch, breaker MCCB
For frequency converter CIMR working powers, being exported through frequency converter and motor running power supply is provided, frequency converter output is operated by control circuit,
Wherein CR2 is frequency converter operating condition, and frequency converter is without exception and external condition allows lower output action, frequency converter operating is accurate
Standby, output is controlled at a high speed by CR4, and output low speed is controlled by CR5, and height quick-action is made by external, programmable controller (PLC) root
It is controlled according to mixing machine operating condition and process requirement.Another variable-frequency fan is controlled for auxiliary protection, provides inverter motor heat dissipation, such as horse
It is reminded up to overheat or fan abnormality alarm.Horsepower squeeze material neutral gear, frequency converter reduce rotating speed, motor speed from N1 change to N2 when,
The variation relation of its motor shaft power (P) is as follows：P2/P1=(N2/N1) 3, it can be seen that reduce motor speed and can obtain cube
The energy-saving effect of grade.
Therefore the circuit can be distinguished according to product, set different rotating speeds, passed through mixing machine discharge, frequency converter automatic operating
To required speed, squeeze material process and automatically controlled by time and electric current, it is automatic discharge to reach gelatinization requirement, is dropped automatically after discharge
Low operating frequency reduces control electric current, saves electric energy.
The technology contents and technical characteristic of the utility model have revealed that as above, however those skilled in the art still may be used
Teaching and announcement that can be based on the utility model and make various replacements and modification without departing substantially from the spirit of the present invention, therefore, this
Utility model protection range should be not limited to the revealed content of embodiment, and should include the various replacements without departing substantially from the utility model
And modification, and covered by present patent application claim.
Claims (4)
1. a kind of frequency conversion is kneaded circuit, it is characterised in that：Including disconnecting switch QS, two reactor AC REACTOR, hot relay
Device FR1, A.C. contactor MC3, breaker MCB1, breaker MCCB, frequency converter INV, wherein fuse DF1-2, disconnecting switch
QS input terminals connect kneading machine total power switch, and its output terminal divides two-way respectively to kneading machine sending out the hot fan motor and stirring horse
Up to power supply, wherein output terminal connection breaker MCB1, A.C. contactor MC3, electrothermal relay FR1, reactor AC all the way
Sending out the hot fan motor, driving sending out the hot fan rotation are connected after REACTOR, another way connects breaker MCCB, reactance for output terminal
Then device AC REACTOR connect frequency converter and carry out frequency-conversion processing, then by A.C. contactor MC1 connection stirring motors, realize
Mixing speed is adjusted.
2. a kind of frequency conversion according to claim 1 is kneaded circuit, it is characterised in that：Control circuit is further included, is specifically included
In control switch relay CR1, starting relay CR2, high-speed cruising relay CR4 in parallel, low speed runs relay CR5,
Emergency stop controls relay CR6, power transfer relay CR7, run indicator RL, stops indicator light GL, malfunction indicator lamp YL, and cabinet is interior to be arranged
Fan, wind turbine and illumination, wherein starting relay CR2, high-speed cruising relay CR4, low speed operation relay CR5, emergency stop
Control relay CR6, power transfer relay CR7 and run indicator RL connection frequency converter, control circuit connection disconnecting switch.
3. a kind of frequency conversion according to claim 1 be kneaded circuit it is characterized in that：The disconnecting switch QS is GLZ1 series
Converting isolation switch.
4. a kind of frequency conversion according to claim 1 is kneaded circuit, it is characterised in that：The frequency converter is CIMR frequency converters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659682.2U CN207603493U (en) | 2017-12-01 | 2017-12-01 | A kind of frequency conversion is kneaded circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659682.2U CN207603493U (en) | 2017-12-01 | 2017-12-01 | A kind of frequency conversion is kneaded circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207603493U true CN207603493U (en) | 2018-07-10 |
Family
ID=62763060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721659682.2U Active CN207603493U (en) | 2017-12-01 | 2017-12-01 | A kind of frequency conversion is kneaded circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207603493U (en) |
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2017
- 2017-12-01 CN CN201721659682.2U patent/CN207603493U/en active Active
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