CN107666255A - A kind of electric motor starting digital display integrated controller - Google Patents
A kind of electric motor starting digital display integrated controller Download PDFInfo
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- CN107666255A CN107666255A CN201710826842.6A CN201710826842A CN107666255A CN 107666255 A CN107666255 A CN 107666255A CN 201710826842 A CN201710826842 A CN 201710826842A CN 107666255 A CN107666255 A CN 107666255A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
- H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
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- Power Engineering (AREA)
- Electronic Switches (AREA)
Abstract
The invention discloses a kind of electric motor starting digital display integrated controller, it is characterized in that, PCB including housing and in housing, housing front is provided with control panel, the top of control panel is provided with indicator lamp, digital display window is provided with below indicator lamp, digital display beneath window is additionally provided with some control buttons, and housing side is provided with terminals；PCB includes Digital Display Circuit, control circuit, starts time setting circuit, current of electric protection circuit, delay protection circuit, reset circuit, indicator lamp signal display circuit, motor current detection circuit and timing distribution circuit.Some electric elements of tradition are integrated in one piece of control box by the present invention, not only contribute to save space environment, and the starter made using the controller, connection is simple, failure is few, convenient later maintenance, the peripheral wiring of the controller is different, and autocoupling type decompression starting, star triangle start and Wound-rotor type can be achieved and start.
Description
Technical field
The present invention relates to electric motor starting technical field, particularly a kind of electric motor starting digital display integrated controller.
Background technology
At home and abroad the major way of electric motor starting has autocoupling type decompression starting, star triangle start and Wound-rotor type to open at present
Dynamic, these three Starting mode are all without special controller, and these three Starting mode are more using the time relay, middle relay
Device, motor protecter and main contactor interlocking are completed.Not only equipment used is various for it, complex circuit, and it is excessive control point to be also present,
During later stage use easily break down and failure after it is not easy-maintaining, maintenance cost is high the characteristics of.
The content of the invention
, should it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of electric motor starting digital display integrated controller
Some electric elements of tradition are integrated in one piece of control box by controller, not only contribute to save space environment, and use and be somebody's turn to do
The starter that controller makes, connection is simple, and failure is few, convenient later maintenance, and the peripheral wiring of the controller is different,
Autocoupling type decompression starting, star triangle start and Wound-rotor type can be achieved to start.
The purpose of the present invention is achieved through the following technical solutions：
A kind of electric motor starting digital display integrated controller, including housing and the PCB in housing, housing front are provided with
Control panel, the top of control panel are provided with indicator lamp, are provided with digital display window below indicator lamp, the digital display beneath window is also set
There are some control buttons, the housing side is provided with terminals；
The PCB includes Digital Display Circuit, control circuit, starts time setting circuit, current of electric protection circuit, delay
Protection circuit, reset circuit, indicator lamp signal display circuit, motor current detection circuit and timing distribution circuit；The control
The signal output part of circuit processed respectively with delay protection circuit, indicator lamp signal display circuit, start time setting circuit, digital display
Circuit, the signal input part of timing distribution circuit are connected；The signal output part of timing distribution circuit respectively with delay protection circuit,
Indicator lamp signal display circuit, startup time setting circuit signal input part are connected；Motor current detects the signal end of circuit
It is connected with reset circuit, the signal output part of reset circuit is connected with the input of control circuit；Motor current detects circuit
Signal input part of the signal output part respectively with delay protection circuit, current of electric protection circuit be connected.
Further, in the present invention, the control circuit includes forward-backward counter CD4516, multiway analog switch
CD4067, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, high potential resistance, the first electric capacity C1, second
Electric capacity C2, the 3rd electric capacity C3, starting switch AQ1, open cutoff thyristor VT1, halt switch AQ2 and diode D16；It is described to open
Dynamic switch AQ1 first end is grounded by passing sequentially through first resistor R1, the first electric capacity C1, and the first of the starting switch AQ1
End also passes sequentially through first resistor R1, the second electric capacity C2 ground connection, and the first end of the starting switch AQ1 also passes sequentially through the first electricity
Resistance R1 is connected with the power supply side at the ends of forward-backward counter CD4516 the tenth and the ends of forward-backward counter CD4516 the 16th；It is described
Starting switch AQ1 first end also passes sequentially through first resistor R1 and multiway analog switch CD4067 first end and multichannel mould
The 24th end for intending switch CD4067 is connected；The second end of the starting switch AQ1 passes sequentially through halt switch AQ2, open-minded
Cutoff thyristor VT1, high potential resistance, first resistor R1 are connected with starting switch AQ1 first end；The starting switch AQ1
First end of second end also with forward-backward counter CD4516 be connected, the second end of the starting switch AQ1 also with plus-minus counting
Device CD4516 the 8th end is connected；The second end of the starting switch AQ1 also passes sequentially through the 4th resistance R4 and opened with multi-channel analog
The 15th end for closing CD4067 is connected；The second end of the starting switch AQ1 also with the ends of multiway analog switch CD4067 the 12nd
Power cathode be connected, the second end of the starting switch AQ1 also passes through the 4th resistance R4 and multiway analog switch CD4067's
15th end is connected, and the second end of the forward-backward counter CD4516 is connected with multiway analog switch CD4067 the 13rd end,
Forward-backward counter CD4516 the 14th end is connected with multiway analog switch CD4067 the 14th end, forward-backward counter CD4516
The 6th end be connected with multiway analog switch CD4067 the tenth end.
Further, in the present invention, the Digital Display Circuit includes the first digital drive circuit IC3, the second digital driving
IC circuit 4, diode DF and the 20th resistance R20；The first end of the first digital drive circuit IC3 passes sequentially through the 3rd electricity
Resistance R3 is connected with forward-backward counter CD4516 the 14th end, and the first end of the first digital drive circuit IC3 passes sequentially through
3rd resistor R3, the 16th diode are connected with forward-backward counter CD4516 the 7th end；The first digital drive circuit IC3
The 15th end be connected with forward-backward counter CD4516 the 9th end；The 15th end of the first digital drive circuit IC3 is also
Pass sequentially through high potential resistance, first resistor R1 is connected with starting switch AQ1 first end；The first digital drive circuit
IC3 the 15th end is connected with the described second digital drive circuit IC4 the 15th end；The first digital drive circuit IC3
The 5th end be connected with the second digital drive circuit IC4 first end, the second end of the second digital drive circuit IC4 passes through
20th resistance R20 is grounded, the Q15 of the second end of the second digital drive circuit IC4 also with multiway analog switch CD4067
End is connected；The 3rd end of the first digital drive circuit IC3, the 8th end of the first digital drive circuit IC3, described
Two charactron IC4 the 3rd end, the second charactron IC4 the 8th end ground connection.
Further, in the present invention, starting initialization circuit and timing distribution circuit includes frequency divider IC5 and phase inverter
CD4069；Frequency divider IC5 the 8th end and frequency divider IC5 the tenth one end ground connection；The phase inverter CD4069 with described point
Frequency device IC5 the tenth end is connected；The 12nd end of the frequency divider IC5 passes sequentially through 3rd resistor R3, the 16th diode D16
It is connected with forward-backward counter CD4516 the 7th end.
Further, in the present invention, the current protecting circuit includes the 21st resistance R21, the 22nd resistance
R22, the 23rd resistance R23, the 24th resistance R24, the 25th resistance R25, potentiometer W1, comparator LM339, the 3rd
12 resistance R32, the 33rd resistance R33, the 17th diode D17, the 18th diode D18；The comparator LM339's
First positive input and the second positive input are grounded by potentiometer W1, the 22nd resistance R22 respectively；The comparator
LM339 the first reverse input end is grounded by the 32nd resistance R32, the second reverse input end of the comparator LM339
It is grounded by the 33rd resistance R33；The first output end of the comparator LM339 passes through the 23rd resistance R23 and power supply
Feeder ear is connected；Comparator LM339 the first output end is supplied by the 18th diode D18, the 25th resistance R25 and power supply
Electric end is connected；Comparator LM339 the first output end is also powered by the 18th diode, the 26th resistance R26 and power supply
End is connected；Comparator LM339 the second output end is connected by the 24th resistance R24 with power supply side；Comparator LM339
The second output end be connected by the 17th diode D17, the 25th resistance R25 with power supply side；Comparator LM339's
Second output end is connected by the 17th diode D17, the 26th resistance R26 with power supply side.
Further, in the present invention, the delay protection circuit include decade counter CD4017, frequency divider IC7,
Oscillator IC9, the 28th resistance R28, the 19th diode D19；The 8th end ground connection of the decade counter CD4017,
The tenth one end of the decade counter CD4017 is grounded by the 28th resistance R28, the decade counter
CD4017 the 19th diode D19 is connected with decade counter CD4017 the tenth one end；The decade counter
CD4017 the 14th end is connected with frequency divider IC7 Q12 ends；The tenth end of the frequency divider IC7 and oscillator IC9 clock
Signal end is connected.
Further, in the present invention, the reset circuit includes the 32nd resistance R32, reset switch AQ3, the 6th
Electric capacity C6, the 31st resistance R31, the 30th resistance R30, the 20th diode D20, the 29th resistance R29, the second brilliant lock
Pipe VT2；Reset switch AQ3 first end is connected by the 20th diode with decade counter CD4017 the 13rd end,
Reset switch AQ3 first end is connected by the second IGCT VT2, the 29th resistance R29 with the positive pole of power supply side；It is multiple
Bit switch AQ3 the second end is connected by the 6th electric capacity C6 with reset switch AQ3 first end, reset switch AQ3 the second end
It is connected by the 31st resistance R31 with the first end of reset switch, reset switch AQ3 the second end passes through the 30th resistance
R30, the 32nd resistance R32, the first triode are connected with the negative pole of power supply.
Further, in the present invention, its also include control execution circuit, control execution circuit include binding post, after
Electrical equipment K, relay K1, relay K2, relay K3, relay KG, transformer B1, voltage-stablizer 7812, the first protection diode
D1, the second protection diode D2, the 3rd protection diode D3, the 4th protection diode D4, the second ballast ZLQ2, the first ballast
Device ZLQ1, electric capacity 2C1, electric capacity 2C2, resistance 2R2, resistance 2R1, the first triode BG1, the second triode BG2, the 3rd triode
BG3, the 4th triode BG4；Relay K, relay K1, relay K2, relay K3 and relay KG respectively with transformer B1
Feeder ear L2 be connected, the transformer B1 other end is grounded by voltage-stablizer 7812, and the transformer B1 other end passes through voltage-stablizer
7812 are connected with the positive source of binding post；The negative pressure end ground connection of binding post, the stopping signal end of binding post pass through the
One protection diode D1 is connected with the power positive end of binding post, and the start end of binding post passes through the second protection diode D2
It is connected with the power positive end of binding post, the operation end of binding post passes through the 3rd protection diode D3 and the electricity of binding post
Source positive terminal is connected, and the failure end of binding post is connected by the 4th protection diode D4 with the power positive end of binding post；
Binding post is respectively the first triode BG1, the second triode BG2, the 3rd triode BG3, the 4th triode BG4 offer controls
Signal, relay K, relay K1, relay K2, relay K3 and relay KG are shut down, started respectively, run and failure control
The control of model processed, and provide 380V control voltages after closure for circuit.
The beneficial effects of the invention are as follows：
（1）Some electric elements of tradition are integrated in one piece of control box, not only contribute to save space environment, and use and be somebody's turn to do
The starter that controller makes, connection is simple, and failure is few, convenient later maintenance；
（2）Compared with traditional controller, the electric elements that it expends are few, are advantageous to first device that is cost-effective, while being used for forceful electric power
Part is few, safe；
（3）The peripheral wiring of the controller is different, and autocoupling type decompression starting, star triangle start and Wound-rotor type can be achieved and start.
Brief description of the drawings
Fig. 1 is external structure schematic diagram of the present invention；
The circuit structure that Fig. 2 is the present invention connects block diagram；
Fig. 3 is the circuit structure diagram of controller part of the present invention；
Fig. 4 is the circuit structure diagram of indicator lamp part of the present invention；
In figure, 10- housings, 11- indicator lamps, 12- digital display windows, 13- control buttons, 14- terminals, 15- control circuits, 16-
Digital Display Circuit, 17- reset circuits, 18- current of electric protection circuits, 19- delay protection circuits, 20- instruction modulating signal display electricity
Road, 21- start time setting circuit, 22- motor currents detection circuit, 23- timing distribution circuits.
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.It should be noted that in the case where not conflicting, following examples and implementation
Feature in example can be mutually combined.
It should be noted that the diagram provided in following examples only illustrates the basic structure of the present invention in a schematic way
Think, only show the component relevant with the present invention in schema then rather than according to component count, shape and the size during actual implement
Draw, kenel, quantity and the ratio of each component can be a kind of random change during its actual implementation, and its assembly layout kenel
It is likely more complexity.
Embodiment：
A kind of electric motor starting digital display integrated controller, refer to shown in accompanying drawing 1, including housing 10 and in housing 10
PCB, housing front are provided with control panel, and the top of control panel is provided with indicator lamp 11, and the lower section of indicator lamp 11 is provided with number
Aobvious window 12, the lower section of digital display window 12 are additionally provided with some control buttons 13, and the side of housing 10 is provided with terminals 14；
Refer to shown in accompanying drawing 2, the PCB includes Digital Display Circuit 16, control circuit 15, starts time setting circuit
21st, current of electric protection circuit 22, delay protection circuit 19, reset circuit 17, indicator lamp signal display circuit 20, electronic electromechanics
Current detection circuit 22 and timing distribution circuit 23；The signal output part of the control circuit 15 respectively with delay protection circuit 19,
Indicator lamp signal display circuit 20, start time setting circuit 21, Digital Display Circuit 16, the signal input part of timing distribution circuit 23
It is connected；The signal output part of timing distribution circuit 23 respectively with delay protection circuit 19, indicator lamp signal display circuit 20, start
The signal input part of time setting circuit 21 is connected；The signal end of motor current detection circuit 22 is connected with reset circuit 17, multiple
The signal output part of position circuit 17 is connected with the input of control circuit 15；Motor current detects the signal output part of circuit 22
The signal input part with delay protection circuit 19, current of electric protection circuit 22 is connected respectively.
Further, in the present invention, refer to shown in accompanying drawing 3 and accompanying drawing 4, the control circuit includes forward-backward counter
CD4516, multiway analog switch CD4067, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, high potential
Resistance, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, starting switch AQ1, open cutoff thyristor VT1, halt switch
AQ2 and diode D16；The first end of the starting switch AQ1 is grounded by passing sequentially through first resistor R1, the first electric capacity C1,
The first end of the starting switch AQ1 also passes sequentially through first resistor R1, the second electric capacity C2 ground connection, the starting switch AQ1's
First end also passes sequentially through first resistor R1 and the ends of forward-backward counter CD4516 the tenth and forward-backward counter CD4516 the 16th
The power supply side at end is connected；The first end of the starting switch AQ1 also passes sequentially through first resistor R1 and multiway analog switch
CD4067 first end and multiway analog switch CD4067 the 24th end are connected；The second end of the starting switch AQ1
Pass sequentially through halt switch AQ2, open cutoff thyristor VT1, high potential resistance, the of first resistor R1 and starting switch AQ1
One end is connected；First end of the second end of the starting switch AQ1 also with forward-backward counter CD4516 is connected, the starting switch
AQ1 the second end is also connected with forward-backward counter CD4516 the 8th end；The second end of the starting switch AQ1 also passes sequentially through
4th resistance R4 is connected with multiway analog switch CD4067 the 15th end；The second end of the starting switch AQ1 also with multichannel
The power cathode at the ends of analog switch CD4067 the 12nd is connected, and the second end of the starting switch AQ1 also passes through the 4th resistance R4
It is connected with multiway analog switch CD4067 the 15th end, the second end of the forward-backward counter CD4516 and multiway analog switch
CD4067 the 13rd end is connected, forward-backward counter CD4516 the 14th end and multiway analog switch CD4067 the 14th end
It is connected, forward-backward counter CD4516 the 6th end is connected with multiway analog switch CD4067 the tenth end.
Further, in the present invention, the Digital Display Circuit includes the first digital drive circuit IC3, the second digital driving
IC circuit 4, diode DF and the 20th resistance R20；The first end of the first digital drive circuit IC3 passes sequentially through the 3rd electricity
Resistance R3 is connected with forward-backward counter CD4516 the 14th end, and the first end of the first digital drive circuit IC3 passes sequentially through
3rd resistor R3, the 16th diode are connected with forward-backward counter CD4516 the 7th end；The first digital drive circuit IC3
The 15th end be connected with forward-backward counter CD4516 the 9th end；The 15th end of the first digital drive circuit IC3 is also
Pass sequentially through high potential resistance, first resistor R1 is connected with starting switch AQ1 first end；The first digital drive circuit
IC3 the 15th end is connected with the described second digital drive circuit IC4 the 15th end；The first digital drive circuit IC3
The 5th end be connected with the second digital drive circuit IC4 first end, the second end of the second digital drive circuit IC4 passes through
20th resistance R20 is grounded, the Q15 of the second end of the second digital drive circuit IC4 also with multiway analog switch CD4067
End is connected；The 3rd end of the first digital drive circuit IC3, the 8th end of the first digital drive circuit IC3, described
Two charactron IC4 the 3rd end, the second charactron IC4 the 8th end ground connection.
Further, in the present invention, starting initialization circuit and timing distribution circuit includes frequency divider IC5 and phase inverter
CD4069；Frequency divider IC5 the 8th end and frequency divider IC5 the tenth one end ground connection；The phase inverter CD4069 with described point
Frequency device IC5 the tenth end is connected；The 12nd end of the frequency divider IC5 passes sequentially through 3rd resistor R3, the 16th diode D16
It is connected with forward-backward counter CD4516 the 7th end.
Further, in the present invention, the current protecting circuit includes the 21st resistance R21, the 22nd resistance
R22, the 23rd resistance R23, the 24th resistance R24, the 25th resistance R25, potentiometer W1, comparator LM339, the 3rd
12 resistance R32, the 33rd resistance R33, the 17th diode D17, the 18th diode D18；The comparator LM339's
First positive input and the second positive input are grounded by potentiometer W1, the 22nd resistance R22 respectively；The comparator
LM339 the first reverse input end is grounded by the 32nd resistance R32, the second reverse input end of the comparator LM339
It is grounded by the 33rd resistance R33；The first output end of the comparator LM339 passes through the 23rd resistance R23 and power supply
Feeder ear is connected；Comparator LM339 the first output end is supplied by the 18th diode D18, the 25th resistance R25 and power supply
Electric end is connected；Comparator LM339 the first output end is also powered by the 18th diode, the 26th resistance R26 and power supply
End is connected；Comparator LM339 the second output end is connected by the 24th resistance R24 with power supply side；Comparator LM339
The second output end be connected by the 17th diode D17, the 25th resistance R25 with power supply side；Comparator LM339's
Second output end is connected by the 17th diode D17, the 26th resistance R26 with power supply side.
Further, in the present invention, the delay protection circuit include decade counter CD4017, frequency divider IC7,
Oscillator IC9, the 28th resistance R28, the 19th diode D19；The 8th end ground connection of the decade counter CD4017,
The tenth one end of the decade counter CD4017 is grounded by the 28th resistance R28, the decade counter
CD4017 the 19th diode D19 is connected with decade counter CD4017 the tenth one end；The decade counter
CD4017 the 14th end is connected with frequency divider IC7 Q12 ends；The tenth end of the frequency divider IC7 and oscillator IC9 clock
Signal end is connected.
Further, in the present invention, the reset circuit includes the 32nd resistance R32, reset switch AQ3, the 6th
Electric capacity C6, the 31st resistance R31, the 30th resistance R30, the 20th diode D20, the 29th resistance R29, the second brilliant lock
Pipe VT2；Reset switch AQ3 first end is connected by the 20th diode with decade counter CD4017 the 13rd end,
Reset switch AQ3 first end is connected by the second IGCT VT2, the 29th resistance R29 with the positive pole of power supply side；It is multiple
Bit switch AQ3 the second end is connected by the 6th electric capacity C6 with reset switch AQ3 first end, reset switch AQ3 the second end
It is connected by the 31st resistance R31 with the first end of reset switch, reset switch AQ3 the second end passes through the 30th resistance
R30, the 32nd resistance R32, the first triode are connected with the negative pole of power supply.
Further, in the present invention, its also include control execution circuit, control execution circuit include binding post, after
Electrical equipment K, relay K1, relay K2, relay K3, relay KG, transformer B1, voltage-stablizer 7812, the first protection diode
D1, the second protection diode D2, the 3rd protection diode D3, the 4th protection diode D4, the second ballast ZLQ2, the first ballast
Device ZLQ1, electric capacity 2C1, electric capacity 2C2, resistance 2R2, resistance 2R1, the first triode BG1, the second triode BG2, the 3rd triode
BG3, the 4th triode BG4；Relay K, relay K1, relay K2, relay K3 and relay KG respectively with transformer B1
Feeder ear L2 be connected, the transformer B1 other end is grounded by voltage-stablizer 7812, and the transformer B1 other end passes through voltage-stablizer
7812 are connected with the positive source of binding post；The negative pressure end ground connection of binding post, the stopping signal end of binding post pass through the
One protection diode D1 is connected with the power positive end of binding post, and the start end of binding post passes through the second protection diode D2
It is connected with the power positive end of binding post, the operation end of binding post passes through the 3rd protection diode D3 and the electricity of binding post
Source positive terminal is connected, and the failure end of binding post is connected by the 4th protection diode D4 with the power positive end of binding post；
Binding post is respectively the first triode BG1, the second triode BG2, the 3rd triode BG3, the 4th triode BG4 offer controls
Signal, relay K, relay K1, relay K2, relay K3 and relay KG are shut down, started respectively, run and failure control
The control of model processed, and provide 380V control voltages after closure for circuit.
It should be noted that the present invention is digital by forward-backward counter CD4516, multiway analog switch CD4067 and first
Drive circuit IC3, the second digital drive circuit IC4 compositions, under the control of the present invention, its dispaly state is 0-15, wherein 0 is
Stopped status, 1-14 are starting state, and 15 be running status.
Further, in circuit 12V normal power supplies, circuit remains static, and the of its forward-backward counter CD4516
Nine ends are in high potential, now multiway analog switch CD4067 Q0 ends output high potential, as stopping signal.Multi-channel analog is opened
What pass CD4067 output state was determined by forward-backward counter CD4516 binary code, clock signal passes through frequency divider IC5
After frequency dividing, forward-backward counter CD4516 the 14th end is sent into by 3rd resistor R3 current limlitings, adjusts the electricity in phase inverter CD4069
Position device W1 can change forward-backward counter CD4516 clock speed, start the temporal summation that the time is Q1-Q14.Opened when electronic
During dynamic switch AQ1, forward-backward counter CD4516 is started counting up, and multiway analog switch CD4067 data high potential is opened from Q1-Q14
Begin to move, when high potential is moved to Q15, clocks and stop Q15 output high potentials, Q15 signals driving disconnecting relay K3.Sequential
After distributor circuit work, four groups of signals are exported, first group is Q0, is stopping signal, is exported after isolation drive by relay K, the
Two groups are Q1-Q14, are enabling signal, are exported after isolation drive by relay K1, and the 3rd group of Q15 is run signal, isolation drive
Exported afterwards by relay K3, the 4th group is excessively stream alarm signal, is exported after isolation drive by relay KG.
Embodiment described above only expresses the embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.
Claims (8)
- A kind of 1. electric motor starting digital display integrated controller, it is characterised in that the PCB circuits including housing and in housing Plate, housing front are provided with control panel, and the top of control panel is provided with indicator lamp, digital display window is provided with below indicator lamp, described Digital display beneath window is additionally provided with some control buttons, and the housing side is provided with terminals；The PCB includes Digital Display Circuit, control circuit, starts time setting circuit, current of electric protection circuit, delay Protection circuit, reset circuit, indicator lamp signal display circuit, motor current detection circuit and timing distribution circuit；The control The signal output part of circuit processed respectively with delay protection circuit, indicator lamp signal display circuit, start time setting circuit, digital display Circuit, the signal input part of timing distribution circuit are connected；The signal output part of timing distribution circuit respectively with delay protection circuit, Indicator lamp signal display circuit, startup time setting circuit signal input part are connected；Motor current detects the signal end of circuit It is connected with reset circuit, the signal output part of reset circuit is connected with the input of control circuit；Motor current detects circuit Signal input part of the signal output part respectively with delay protection circuit, current of electric protection circuit be connected.
- 2. a kind of electric motor starting digital display integrated controller according to claim 1, it is characterised in that the control circuit includes Forward-backward counter CD4516, multiway analog switch CD4067, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, high potential resistance, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, starting switch AQ1, open cutoff thyristor VT1, Halt switch AQ2 and diode D16；The first end of the starting switch AQ1 is by passing sequentially through first resistor R1, the first electric capacity C1 is grounded, and the first end of the starting switch AQ1 also passes sequentially through first resistor R1, the second electric capacity C2 ground connection, and the startup is opened The first end for closing AQ1 also passes sequentially through first resistor R1 and the ends of forward-backward counter CD4516 the tenth and forward-backward counter CD4516 The power supply side at the 16th end is connected；The first end of the starting switch AQ1 also passes sequentially through first resistor R1 and multichannel mould Intend switch CD4067 first end and multiway analog switch CD4067 the 24th end is connected；The starting switch AQ1's Second end passes sequentially through halt switch AQ2, opens cutoff thyristor VT1, high potential resistance, first resistor R1 and starting switch AQ1 first end is connected；First end of the second end of the starting switch AQ1 also with forward-backward counter CD4516 is connected, described Starting switch AQ1 the second end is also connected with forward-backward counter CD4516 the 8th end；The second end of the starting switch AQ1 is also The 4th resistance R4 is passed sequentially through with multiway analog switch CD4067 the 15th end to be connected；The second end of the starting switch AQ1 Power cathode also with the ends of multiway analog switch CD4067 the 12nd is connected, and the second end of the starting switch AQ1 also passes through Four resistance R4 are connected with multiway analog switch CD4067 the 15th end, the second end of the forward-backward counter CD4516 and multichannel Analog switch CD4067 the 13rd end is connected, and forward-backward counter CD4516 the 14th end is with multiway analog switch CD4067's 14th end is connected, and forward-backward counter CD4516 the 6th end is connected with multiway analog switch CD4067 the tenth end.
- A kind of 3. electric motor starting digital display integrated controller according to claim 1 or claim 2, it is characterised in that the Digital Display Circuit Including the first digital drive circuit IC3, the second digital drive circuit IC4, diode DF and the 20th resistance R20；Described first Digital drive circuit IC3 first end passes sequentially through 3rd resistor R3 and is connected with forward-backward counter CD4516 the 14th end, institute The first end for stating the first digital drive circuit IC3 passes sequentially through 3rd resistor R3, the 16th diode and forward-backward counter CD4516 the 7th end is connected；The 15th end of the first digital drive circuit IC3 and the 9th of forward-backward counter CD4516 the End is connected；The 15th end of the first digital drive circuit IC3 also passes sequentially through high potential resistance, first resistor R1 with starting Switch AQ1 first end is connected；The 15th end of the first digital drive circuit IC3 and the described second digital drive circuit IC4 the 15th end is connected；The 5th end of the first digital drive circuit IC3 and the first of the second digital drive circuit IC4 End is connected, and the second end of the second digital drive circuit IC4 is grounded by the 20th resistance R20, the described second digital driving Second end of IC circuit 4 is also connected with multiway analog switch CD4067 Q15 ends；The of the first digital drive circuit IC3 Three ends, the 8th end of the first digital drive circuit IC3, the 3rd end of the second charactron IC4, the second charactron IC4 The 8th end ground connection.
- 4. a kind of electric motor starting digital display integrated controller according to claim 1 or claim 2, it is characterised in that start initialization circuit Include frequency divider IC5 and phase inverter CD4069 with timing distribution circuit；Frequency divider IC5 the 8th end and the of frequency divider IC5 Ten one end are grounded；The phase inverter CD4069 is connected with the tenth end of the frequency divider IC5；The 12nd of the frequency divider IC5 End passes sequentially through 3rd resistor R3, the 16th diode D16 is connected with forward-backward counter CD4516 the 7th end.
- A kind of 5. electric motor starting digital display integrated controller according to claim 1 or claim 2, it is characterised in that the current protection Circuit includes the 21st resistance R21, the 22nd resistance R22, the 23rd resistance R23, the 24th resistance R24, second 15 resistance R25, potentiometer W1, comparator LM339, the 32nd resistance R32, the 33rd resistance R33, the 17th diode D17, the 18th diode D18；The first positive input and the second positive input of the comparator LM339 passes through electricity respectively Position device W1, the 22nd resistance R22 ground connection；The first reverse input end of the comparator LM339 passes through the 32nd resistance R32 Ground connection, the second reverse input end of the comparator LM339 are grounded by the 33rd resistance R33；The comparator LM339's First output end is connected by the 23rd resistance R23 with power supply side；Comparator LM339 the first output end passes through the tenth Eight diode D18, the 25th resistance R25 are connected with power supply side；Comparator LM339 the first output end also passes through the tenth Eight diodes, the 26th resistance R26 are connected with power supply side；Comparator LM339 the second output end passes through the 24th Resistance R24 is connected with power supply side；Comparator LM339 the second output end passes through the 17th diode D17, the 25th electricity Resistance R25 is connected with power supply side；Comparator LM339 the second output end passes through the 17th diode D17, the 26th resistance R26 is connected with power supply side.
- A kind of 6. electric motor starting digital display integrated controller according to claim 1 or claim 2, it is characterised in that the delay protection Circuit includes decade counter CD4017, frequency divider IC7, oscillator IC9, the 28th resistance R28, the 19th diode D19；The 8th end ground connection of the decade counter CD4017, the tenth one end of the decade counter CD4017 pass through the 28 resistance R28 are grounded, the 19th diode D19 and decade counter CD4017 of the decade counter CD4017 The tenth one end be connected；The 14th end of the decade counter CD4017 is connected with frequency divider IC7 Q12 ends；Described point Frequency device IC7 the tenth end is connected with oscillator IC9 clock signal terminal.
- A kind of 7. electric motor starting digital display integrated controller according to claim 1 or claim 2, it is characterised in that the reset circuit Including the 32nd resistance R32, reset switch AQ3, the 6th electric capacity C6, the 31st resistance R31, the 30th resistance R30, second Ten diode D20, the 29th resistance R29, the second IGCT VT2；Reset switch AQ3 first end passes through the 20th diode It is connected with decade counter CD4017 the 13rd end, reset switch AQ3 first end passes through the second IGCT VT2, second 19 resistance R29 are connected with the positive pole of power supply side；Reset switch AQ3 the second end passes through the 6th electric capacity C6 and reset switch AQ3 first end is connected, and reset switch AQ3 the second end is connected by the 31st resistance R31 with the first end of reset switch, Reset switch AQ3 the second end by the 30th resistance R30, the 32nd resistance R32, the first triode and power supply negative pole phase Even.
- 8. a kind of electric motor starting digital display integrated controller according to claim 1 or claim 2, it is characterised in that it also includes control Execution circuit, control execution circuit include binding post, relay K, relay K1, relay K2, relay K3, relay KG, transformer B1, voltage-stablizer 7812, the first protection diode D1, the second protection diode D2, the 3rd protection diode D3, Four protection diode D4, the second ballast ZLQ2, the first ballast ZLQ1, electric capacity 2C1, electric capacity 2C2, resistance 2R2, resistance 2R1, First triode BG1, the second triode BG2, the 3rd triode BG3, the 4th triode BG4；Relay K, relay K1, relay Device K2, relay K3 and relay KG are connected with transformer B1 feeder ear L2 respectively, and the transformer B1 other end passes through voltage stabilizing Device 7812 is grounded, and the transformer B1 other end is connected by voltage-stablizer 7812 with the positive source of binding post；Binding post Negative pressure end is grounded, the power positive end phase that the stopping signal end of binding post passes through the first protection diode D1 and binding post Even, the start end of binding post is connected by the second protection diode D2 with the power positive end of binding post, binding post Operation end is connected by the 3rd protection diode D3 with the power positive end of binding post, and the failure end of binding post passes through the 4th Protection diode D4 is connected with the power positive end of binding post；Binding post is respectively the first triode BG1, the second triode BG2, the 3rd triode BG3, the 4th triode BG4 provide control signal, relay K, relay K1, relay K2, relay K3 and relay KG provides 380V after closure respectively by shutting down, start, run and Fault Control model is controlled for circuit Control voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710826842.6A CN107666255A (en) | 2017-09-14 | 2017-09-14 | A kind of electric motor starting digital display integrated controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710826842.6A CN107666255A (en) | 2017-09-14 | 2017-09-14 | A kind of electric motor starting digital display integrated controller |
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| CN107666255A true CN107666255A (en) | 2018-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710826842.6A Withdrawn CN107666255A (en) | 2017-09-14 | 2017-09-14 | A kind of electric motor starting digital display integrated controller |
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| CN (1) | CN107666255A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109324256A (en) * | 2018-12-14 | 2019-02-12 | 浙江大有实业有限公司杭州科技发展分公司 | A kind of line connector |
| CN109519361A (en) * | 2018-06-27 | 2019-03-26 | 成都富强电子电器科技有限公司 | A kind of controller of the using and the reserved star triangle fire pump |
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| CN203840302U (en) * | 2014-04-02 | 2014-09-17 | 重庆书福电气有限公司 | Time-delay control circuit |
| JP2016073454A (en) * | 2014-10-06 | 2016-05-12 | サミー株式会社 | Slot machine |
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