CN206259693U - The motor protective circuit of energy accumulation device for fly wheel - Google Patents
The motor protective circuit of energy accumulation device for fly wheel Download PDFInfo
- Publication number
- CN206259693U CN206259693U CN201621370025.1U CN201621370025U CN206259693U CN 206259693 U CN206259693 U CN 206259693U CN 201621370025 U CN201621370025 U CN 201621370025U CN 206259693 U CN206259693 U CN 206259693U
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- resistance
- diode
- integrated circuit
- voltage
- operation amplifier
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- 238000009825 accumulation Methods 0.000 title claims abstract description 9
- 230000001681 protective effect Effects 0.000 title claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 230000002045 lasting effect Effects 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
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- Protection Of Generators And Motors (AREA)
Abstract
The utility model is related to a kind of motor protective circuit of energy accumulation device for fly wheel; three phase mains meets fuse FU1, fuse FU2, fuse FU3 in circuit; fuse FU3 through normally opened button S1 contact relays KM1 normally-closed contact KM1; fuse FU3 through normally-closed contact K contact relays KM1 normally-closed contact KM1; normally-closed contact KM1 meets the normally opened contact KM2 of L2 phases through relay KM3, after pressing start button S1, A.C. contactor KM energization adhesives; its 3 groups of normally open contacts are connected, and motor M starts operating.After the alternating voltage at L2, L3 two ends is filtered through Cl step-downs, VD1~VD4 rectifications, R3 current limlitings, VS1 voltage stabilizings and C2 ,+121/ voltage, supply protection control circuit are produced.This practicality can effectively ensure that control source stabilization, prevent voltage instantaneous excessive or the too small infringement caused to circuit, and setting rectifier bridge effectively by voltage commutation voltage stabilizing can make stabilized input voltage.
Description
Technical field
The utility model is related to circuitry field, more particularly to a kind of motor protective circuit of energy accumulation device for fly wheel.
Background technology
Present circuit for controlling motor can not be effectively guaranteed the lasting input of voltage stabilization, input voltage moment it is excessive or
Person is too small all easily to cause damage to circuit.
Utility model content
The purpose of this utility model is to provide a kind of motor protective circuit of energy accumulation device for fly wheel, to solve above-mentioned technology
Problem, to achieve the above object the utility model use following technical scheme：
A kind of motor protective circuit of energy accumulation device for fly wheel, three phase mains meets fuse FU1, fuse FU2, melts in circuit
Disconnected device FU3, fuse FU3 through normally opened button S1 contact relays KM1 normally-closed contact KM1, fuse FU3 connects through normally-closed contact K
The normally-closed contact KM1 of relay KM1, normally-closed contact KM1 connect the normally opened of normally opened contact KM2, the L1 phase of L2 phases through relay KM3 and touch
Point KM3 meets transformer T3, transformer T3 two ends parallel resistance R16, transformer T3 output ends one end ground connection, another terminating diode
VD7, diode VD7 meet R11 and meet electric capacity C7 through resistance, and resistance R11 meets slide rheostat RP, and slide rheostat RP contacts two are terminated
Electric capacity C6, the contact of slide rheostat RP connects the input of operation amplifier integrated circuit, and electric capacity C6 connects operation amplifier collection through resistance
Input 10, the input 5 of operation amplifier integrated circuit N3, the input 13 of operation amplifier integrated circuit N2 into circuit N4 and
The input 2 of operation amplifier integrated circuit N1, resistance R12 connecting resistance R13, diode VD7 meet electric capacity C5, electric capacity C5 through resistance R9
Two ends shunt regulator diode VS4, voltage-regulator diode VS4 two ends parallel resistance R10, resistance R10 connect operation amplifier integrated circuit
The input 5 of N3, the normally opened contact KM2 of L2 phases meets transformer T2, transformer T2 two ends parallel resistance R15, transformer T2 output
End one end ground connection, another terminating diode VD6, diode VD6 connecting resistance R7, resistance R7 meet electric capacity C4, and electric capacity C4 two ends are in parallel
Voltage-regulator diode VS3, voltage-regulator diode VS3 two ends parallel resistance R8, resistance R8 one end ground connection, another termination operation amplifier of resistance
The input 12 of integrated circuit N2, the normally opened contact KM1 of L1 phases meets transformer T1, transformer T1 two ends parallel resistance R14, transformation
Device T1 output ends one end is grounded, and another terminating diode VD5, diode VD5 connecting resistance R5, resistance R5 meet electric capacity C3, electric capacity C3
Two ends shunt regulator diode VS2, voltage-regulator diode VS2 two ends parallel resistance R6, resistance R6 one end ground connection, the resistance R6 other ends
Connect the input 3 of operation amplifier integrated circuit N1, the output terminating diode VD8 of operation amplifier integrated circuit N1, operation amplifier
The output terminating diode VD10 of the output terminating diode VD9 of integrated circuit N2, operation amplifier integrated circuit N3, operation amplifier
Output terminating diode VD11, diode VD8, diode VD9, the diode VD10 and diode VD11 of integrated circuit N4 are simultaneously
With transistor V base-links, while connection resistance R4, L2 phase connects rectifier bridge through electric capacity C1, L2 connects rectifier bridge through resistance R1,
Rectifier bridge meets L1 through fuse FU, and rectifier bridge one end is grounded, and rectifier bridge another terminating resistor R3, resistance R3 are through resistance R2 sending and receiving light
Diode VL, light emitting diode VL be grounded, resistance R3 through voltage-stabiliser tube VS1 be grounded, resistance R3 through electric capacity C2 be grounded, resistance R3 pass through after
Electrical equipment L connects transistor V colelctor electrodes, and the emitter stage of transistor V meets diode VD14 through diode VD13, and diode VD14 is grounded,
Resistance R3 connects the colelctor electrode of transistor V through diode VD12, and three-phase electricity L1 phases, L2 phases and L3 connect motor.
Voltage-regulator diode VS1, voltage-regulator diode VS2, voltage-regulator diode VS3 and voltage stabilizing are set in the circuit of this practical design
Diode VS4 can effectively ensure that control source stabilization, prevent voltage instantaneous excessive or the too small damage caused to circuit
Evil, setting rectifier bridge effectively by voltage commutation voltage stabilizing can make stabilized input voltage.
Brief description of the drawings
Fig. 1 is the motor protective circuit figure of energy accumulation device for fly wheel.
Specific embodiment
The utility model is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
A kind of motor protective circuit of energy accumulation device for fly wheel, three phase mains meets fuse FU1, fuse FU2, melts in circuit
Disconnected device FU3, fuse FU3 through normally opened button S1 contact relays KM1 normally-closed contact KM1, fuse FU3 connects through normally-closed contact K
The normally-closed contact KM1 of relay KM1, normally-closed contact KM1 connect the normally opened of normally opened contact KM2, the L1 phase of L2 phases through relay KM3 and touch
Point KM3 meets transformer T3, transformer T3 two ends parallel resistance R16, transformer T3 output ends one end ground connection, another terminating diode
VD7, diode VD7 meet R11 and meet electric capacity C7 through resistance, and resistance R11 meets slide rheostat RP, and slide rheostat RP contacts two are terminated
Electric capacity C6, the contact of slide rheostat RP connects the input of operation amplifier integrated circuit, and electric capacity C6 connects operation amplifier collection through resistance
Input 10, the input 5 of operation amplifier integrated circuit N3, the input 13 of operation amplifier integrated circuit N2 into circuit N4 and
The input 2 of operation amplifier integrated circuit N1, resistance R12 connecting resistance R13, diode VD7 meet electric capacity C5, electric capacity C5 through resistance R9
Two ends shunt regulator diode VS4, voltage-regulator diode VS4 two ends parallel resistance R10, resistance R10 connect operation amplifier integrated circuit
The input 5 of N3, the normally opened contact KM2 of L2 phases meets transformer T2, transformer T2 two ends parallel resistance R15, transformer T2 output
End one end ground connection, another terminating diode VD6, diode VD6 connecting resistance R7, resistance R7 meet electric capacity C4, and electric capacity C4 two ends are in parallel
Voltage-regulator diode VS3, voltage-regulator diode VS3 two ends parallel resistance R8, resistance R8 one end ground connection, another termination operation amplifier of resistance
The input 12 of integrated circuit N2, the normally opened contact KM1 of L1 phases meets transformer T1, transformer T1 two ends parallel resistance R14, transformation
Device T1 output ends one end is grounded, and another terminating diode VD5, diode VD5 connecting resistance R5, resistance R5 meet electric capacity C3, electric capacity C3
Two ends shunt regulator diode VS2, voltage-regulator diode VS2 two ends parallel resistance R6, resistance R6 one end ground connection, the resistance R6 other ends
Connect the input 3 of operation amplifier integrated circuit N1, the output terminating diode VD8 of operation amplifier integrated circuit N1, operation amplifier
The output terminating diode VD10 of the output terminating diode VD9 of integrated circuit N2, operation amplifier integrated circuit N3, operation amplifier
Output terminating diode VD11, diode VD8, diode VD9, the diode VD10 and diode VD11 of integrated circuit N4 are simultaneously
With transistor V base-links, while connection resistance R4, L2 phase connects rectifier bridge through electric capacity C1, L2 connects rectifier bridge through resistance R1,
Rectifier bridge meets L1 through fuse FU, and rectifier bridge one end is grounded, and rectifier bridge another terminating resistor R3, resistance R3 are through resistance R2 sending and receiving light
Diode VL, light emitting diode VL be grounded, resistance R3 through voltage-stabiliser tube VS1 be grounded, resistance R3 through electric capacity C2 be grounded, resistance R3 pass through after
Electrical equipment L connects transistor V colelctor electrodes, and the emitter stage of transistor V meets diode VD14 through diode VD13, and diode VD14 is grounded,
Resistance R3 connects the colelctor electrode of transistor V through diode VD12, and three-phase electricity L1 phases, L2 phases and L3 connect motor.
The circuit of the utility model design, after pressing start button S1, A.C. contactor KM energization adhesives, its 3 groups are normally opened
Contact is connected, and motor M starts operating.The alternating voltage at L2, L3 two ends is through Cl step-downs, VD1~VD4 rectifications, R3 current limlitings, VS1
After voltage stabilizing and C2 filtering ,+121/ voltage, supply protection control circuit are produced.VL is lighted simultaneously.+ 12V voltages are through R13 and R12
It is that the anti-phase input end of N1~N3 and the positive input end of N4 provide reference voltage after partial pressure.TA1~TA3 is respectively intended to detection
The operating current of motor three phase mains inlet wire, and 3 detectable voltage signals are produced on R14~R16.This 3 detection voltages
Signal is changed into DC voltage after being filtered through VD5~VD7 rectifications, C3~C5 respectively, is added in respectively on the positive input end of N1~N3,
Reference voltage with inverting input is compared.In electric motor normal working, the normal phase input end voltage of N1~N3 is higher than
Reference voltage, the anti-phase input terminal voltage of N4 is less than reference voltage, and N1~N4 exports high level, and VD8~VD11 is turned off, V
With VD13, VD14 conducting, make Κ adhesives, its normally open contact is connected, it is ensured that KM remains to maintain energization adhesive after S1 unclamps.If due to
When certain reason causes the disconnected phase of any phase in three phase mains, then the phase detectable voltage signals disappear, and the road operational amplifier will be defeated
Go out low level, the diode current flow for making its output end external, V cut-off, K releases, the normally open contact of K disconnects, and discharges KM, KM
Three groups of normally open contacts the working power of motor is cut off, so as to protect the motor will not to be damaged because of disconnected phase.When electronic
When overload occurs in machine, N4 anti-phase input terminal voltages will be above reference voltage, N4 output low levels, turn on VD11, V cut-offs, K and
KM discharges, and cuts off the working power of motor, so as to protect the motor will not to be damaged because of overload.
The above is the utility model preferred embodiment, for the ordinary skill in the art, according to this reality
With new teaching, in the case where principle of the present utility model and spirit is not departed from, the change that is carried out to implementation method, repair
Change, replace and modification is still fallen within protection domain of the present utility model.
Claims (1)
1. a kind of motor protective circuit of energy accumulation device for fly wheel, it is characterised in that three phase mains meets fuse FU1, molten in circuit
Disconnected device FU2, fuse FU3, fuse FU3 through normally opened button S1 contact relays KM1 normally-closed contact KM1, fuse FU3 is frequent
The normally-closed contact KM1 of closed contact K contact relays KM1, normally-closed contact KM1 meet the normally opened contact KM2, L1 of L2 phases through relay KM3
The normally opened contact KM3 of phase meets transformer T3, and transformer T3 two ends parallel resistance R16, transformer T3 output ends one end ground connection is another
Terminating diode VD7, diode VD7 meet R11 and meet electric capacity C7 through resistance, and resistance R11 meets slide rheostat RP, slide rheostat RP
The termination capacitor C6 of contact two, the contact of slide rheostat RP connects the input of operation amplifier integrated circuit, and electric capacity C6 connects through resistance
The input 10 of operation amplifier integrated circuit N4, the input 5 of operation amplifier integrated circuit N3, operation amplifier integrated circuit N2
The input 2 of input 13 and operation amplifier integrated circuit N1, resistance R12 connecting resistance R13, diode VD7 connect electricity through resistance R9
Hold C5, electric capacity C5 two ends shunt regulator diode VS4, voltage-regulator diode VS4 two ends parallel resistance R10, resistance R10 connects computing and puts
The input 5 of big integrated circuit N3, the normally opened contact KM2 of L2 phases meets transformer T2, transformer T2 two ends parallel resistance R15, becomes
Depressor T2 output ends one end is grounded, and another terminating diode VD6, diode VD6 connecting resistance R7, resistance R7 meet electric capacity C4, electric capacity
C4 two ends shunt regulator diode VS3, voltage-regulator diode VS3 two ends parallel resistance R8, resistance R8 one end ground connection, the resistance other end
The input 12 of operation amplifier integrated circuit N2 is connect, the normally opened contact KM1 of L1 phases meets transformer T1, transformer T1 two ends electricity in parallel
Resistance R14, transformer T1 output ends one end ground connection, another terminating diode VD5, diode VD5 connecting resistance R5, resistance R5 connect electric capacity
C3, electric capacity C3 two ends shunt regulator diode VS2, voltage-regulator diode VS2 two ends parallel resistance R6, resistance R6 one end ground connection, electricity
The input 3 of another termination operation amplifier integrated circuit N1 of resistance R6, the output terminating diode of operation amplifier integrated circuit N1
The output terminating diode VD9 of VD8, operation amplifier integrated circuit N2, the output terminating diode of operation amplifier integrated circuit N3
Output the terminating diode VD11, diode VD8 of VD10, operation amplifier integrated circuit N4, diode VD9, diode VD10 and
Diode VD11 simultaneously with transistor V base-links, while connection resistance R4, L2 phase connects rectifier bridge through electric capacity C1, L2 warps
Resistance R1 connects rectifier bridge, and rectifier bridge meets L1, rectifier bridge one end ground connection, another terminating resistor R3 of rectifier bridge, resistance through fuse FU
R3 is grounded through resistance R2 sending and receiving optical diode VL, light emitting diode VL ground connection, resistance R3 through voltage-stabiliser tube VS1, and resistance R3 is through electric capacity
C2 is grounded, and resistance R3 connects transistor V colelctor electrodes through relay L, and the emitter stage of transistor V connects diode through diode VD13
VD14, diode VD14 are grounded, and resistance R3 connects the colelctor electrode of transistor V, three-phase electricity L1 phases, L2 phases and L3 phases through diode VD12
Connect motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621370025.1U CN206259693U (en) | 2016-12-14 | 2016-12-14 | The motor protective circuit of energy accumulation device for fly wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621370025.1U CN206259693U (en) | 2016-12-14 | 2016-12-14 | The motor protective circuit of energy accumulation device for fly wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206259693U true CN206259693U (en) | 2017-06-16 |
Family
ID=59028247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621370025.1U Expired - Fee Related CN206259693U (en) | 2016-12-14 | 2016-12-14 | The motor protective circuit of energy accumulation device for fly wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206259693U (en) |
-
2016
- 2016-12-14 CN CN201621370025.1U patent/CN206259693U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 |