CN113315452A - Vibration motor amplitude regulation and control system - Google Patents
Vibration motor amplitude regulation and control system Download PDFInfo
- Publication number
- CN113315452A CN113315452A CN202110690638.2A CN202110690638A CN113315452A CN 113315452 A CN113315452 A CN 113315452A CN 202110690638 A CN202110690638 A CN 202110690638A CN 113315452 A CN113315452 A CN 113315452A
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- Prior art keywords
- relay
- open contact
- frequency converter
- normally
- normally open
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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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
- H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
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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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/032—Reciprocating, oscillating or vibrating motors
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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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
Abstract
The invention discloses an amplitude regulation and control system of a vibration motor, which comprises: the device comprises a main unit, a control unit and a PLC unit, wherein the main unit comprises a frequency converter; the control unit comprises a power supply control branch, a manual control branch, an automatic control branch and a fault shutdown branch; the control system can change the output frequency of the frequency converter in a manual mode or in an automatic mode, so that the vibration amplitude of the vibration motor is changed, the PLC unit comprises an S7-224 programmable controller, and the frequency converter is an ABBACS550-01 frequency converter. The vibration motor amplitude regulation and control system is simple in electrical structure, can conveniently regulate the vibration amplitude of the vibration motor, reduces the failure rate of the amplitude regulation and control system, reduces the maintenance cost and improves the production efficiency.
Description
Technical Field
The invention belongs to the technical field of automatic control, and particularly relates to an amplitude regulation and control system of a vibration motor.
Background
In the ore dressing operation, in order to guarantee the smooth and easy of unloading, generally all at concentrator feed bin feed opening installation vibrating motor to according to the particular case of unloading, adjust vibrating motor's amplitude in real time, promptly: when the feed bin unloading was not smooth and easy, promoted the mineral aggregate whereabouts through increaseing vibrating motor's amplitude, when the feed bin unloading was smooth and easy, just need reduce vibrating motor's amplitude, avoided the consumption of the energy and unnecessary noise and shake. The vibration motor in the early stage is formed by arranging eccentric iron blocks at two ends of a common motor, when the amplitude of the motor needs to be adjusted, the operation of the concentrating machine is stopped firstly, then the eccentricity of the eccentric iron blocks is adjusted, the amplitude is changed through the change of the eccentricity of the eccentric iron blocks, and due to frequent adjustment, the vibration motor is time-consuming and labor-consuming, and the production efficiency is severely restricted.
In order to overcome the defects, a plurality of current mineral processing enterprises install the variable-frequency vibration motor at the feed opening of the mineral processing bin, and the vibration amplitude of the vibration motor is adjusted by changing the frequency of the driving power supply, so that the time and the labor are greatly saved. However, the control system of the variable-frequency vibration motor is complex, the electrical structure is complex, the variable-frequency vibration motor is used in the harsh environment of a mineral separation field, the fault rate is high, the maintenance is frequent, the production efficiency is influenced, and the use cost is increased.
Disclosure of Invention
In order to solve the existing problems, the invention provides an amplitude regulation and control system of a vibration motor, which aims to solve the technical problems that: on the basis of the original frequency converter, the vibration motor and related equipment, the amplitude regulation and control system of the original vibration motor is improved, the vibration amplitude of the vibration motor is conveniently regulated, and meanwhile, the fault rate of the amplitude regulation and control system is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme that:
the main unit comprises a frequency converter, power input ends L1, L2 and L3 of the frequency converter are connected with normally open contacts of an alternating current contactor, the input ends of the normally open contacts of the alternating current contactor are connected with the output ends of a three-phase power switch, and the input ends of the three-phase power switch are connected with a three-phase alternating current power supply AC 380V; the power output end U, V, W of the frequency converter is connected with a vibration motor, the power supply end +24V of the frequency converter is respectively connected with an ROIC end of the frequency converter, a reset button, a first normally open contact of a mode conversion relay and a first normally open contact of a starting relay, the other end of the reset button is connected with a DI5 end of the frequency converter, the other end of the first normally open contact of the mode conversion relay is connected with a DI3 end of the frequency converter, the other end of the first normally open contact of the starting relay is connected with a DI1 end of the frequency converter, a GND end and a DCOM end of the frequency converter are connected with an RO1B end of the frequency converter through an operation relay, the power supply end +10V of the frequency converter is connected with an AGND1 end of the frequency converter through a potentiometer, and the adjusting end of the potentiometer is connected with an AI1 end of the frequency converter; the control unit comprises a power supply control branch, a manual control branch, an automatic control branch and a fault shutdown branch.
Furthermore, the power control branch comprises a double-throw power switch connected with the power AC220V, the L end of the double-throw power switch is connected with an AC contactor, and the other end of the AC contactor is connected with the N end of the double-throw power switch.
Further, the manual control branch road is including starting relay, and double-throw switch's N end is connected to starting relay's one end, and fault relay normally closed contact is connected to its other end, and normally open button is connected to fault relay normally closed contact's the other end, and normally open button's the other end is connected normally closed button, and change over switch's contact is connected to normally closed button's the other end four, and double-throw switch's L end is connected to change over switch's contact three, normally open button and starting relay second normally open contact, starting relay second normally open contact's one end is connected and is started the pilot lamp, and double-throw switch's N end is connected to the other end that starts the pilot lamp.
Furthermore, the automatic control branch comprises a first branch and a second branch, the first branch comprises a mode conversion relay, one end of the mode conversion relay is connected with the N end of the double-throw power switch, the other end of the mode conversion relay is connected with a contact of the conversion switch, and is simultaneously connected with a second normally open contact of the mode conversion relay, the other end of the second normally open contact of the mode conversion relay is connected between the second normally open contact of the starting relay and the starting indicator light, and a contact of the conversion switch is connected with the L end of the double-throw power switch; the second branch comprises a wiring terminal A1 connected with the L end of the double-throw power switch, a wiring terminal A2 is connected with the adjusting control relay, the other end of the adjusting control relay is connected with the N end of the double-throw power switch, and the wiring terminals A1 and A2 are connected with two ends of the normally open contact of the storage bin blanking taste response relay in a one-to-one correspondence mode.
Furthermore, the fault shutdown branch circuit comprises a terminal B1 connected with the L end of the double-throw power switch, a terminal B2 connected with a fault relay, the other end of the fault relay is connected with the N end of the double-throw power switch, the fault relay is connected with a fault indicator lamp in parallel, and the terminals B1 and B2 are connected with the R03B end and the R03C end of the frequency converter in a one-to-one correspondence manner.
Furthermore, a frequency indicator is connected between the end A01 and the end AGND2 of the frequency converter, and a current indicator is connected between the end A02 and the end AGND2 of the frequency converter.
Further, the PLC unit comprises a PLC controller, the 1M end of the PLC controller is grounded and is simultaneously connected with the negative pole of a +24V power supply, the positive pole of the +24V power supply is simultaneously connected with a third normally open contact of a starting relay, a third normally open contact of a mode conversion relay, an auxiliary normally open contact of a three-phase power switch, a normally open contact of a fault relay and a normally open contact of an adjustment control relay, the other end of the third normally open contact of the starting relay is connected with a normally open contact of an operating relay, the other end of the normally open contact of the operating relay is connected with the 10.0 end of the PLC controller, the other end of the third normally open contact of the mode conversion relay is connected with the 10.1 end of the PLC controller, the other end of the auxiliary normally open contact of the three-phase power switch is connected with an auxiliary normally open contact of a double-throw power switch, the other end of the auxiliary normally open contact of the double-throw power switch is connected with the 10.2 end of the PLC controller, and the other end of the normally open contact of the fault relay is connected with the 10.3 end of the PLC controller, the other end of the normally open contact of the regulation control relay is connected with the 10.4 end of the PLC; the 1L end of the PLC is connected with a +24V power supply; and the Q0.0 end of the PLC is connected with the AGND end of the frequency converter, and the Q0.1 end of the PLC is connected with the AI2 end of the frequency converter.
Preferably, the PLC controller is an S7-224 programmable controller.
Preferably, the frequency converter is an ABB ACS550-01 frequency converter.
The vibration motor amplitude regulation and control system is simple in electrical structure, can conveniently regulate the vibration amplitude of the vibration motor, reduces the failure rate of the amplitude regulation and control system, reduces the maintenance cost and improves the production efficiency.
Drawings
Fig. 1 is a schematic diagram of the main unit circuit of the present invention.
Fig. 2 is a schematic circuit diagram of the control unit of the present invention.
Fig. 3 is a schematic circuit diagram of a PLC unit of the present invention.
Detailed Description
The present invention will be described in further detail below with reference to the attached drawings so as to be more clearly understood by those skilled in the art.
As shown in fig. 1, the present invention includes:
the main unit comprises a frequency converter 1, wherein power input ends L1, L2 and L3 of the frequency converter are connected with a normally open contact 2KM-1 of an alternating current contactor, the input end of the normally open contact of the alternating current contactor is connected with the output end of a three-phase power switch 2QF1, and the input end of the three-phase power switch is connected with a three-phase alternating current power supply AC 380V; the power output end U, V, W of the frequency converter is connected with a vibration motor M, the power supply end +24V of the frequency converter is respectively connected with the ROIC end of the frequency converter, the SBR, the first normally-open contact 2KA1-1 of the mode conversion relay and the first normally-open contact 2K1-1 of the starting relay, the other end of the reset button is connected with the DI5 end of the frequency converter, the other end of the first normally-open contact of the mode conversion relay is connected with the DI3 end of the frequency converter, the other end of the first normally-open contact of the starting relay is connected with the DI1 end of the frequency converter, the GND end and the DCOM end of the frequency converter are connected with the RO1B end of the frequency converter through the operation relay 2KR, the power supply end +10V of the frequency converter is connected with the AGND1 end of the frequency converter through the RP, and the adjusting end of the potentiometer is connected with the AI1 end of the frequency converter; the control unit comprises a power supply control branch, a manual control branch, an automatic control branch and a fault shutdown branch.
Further, as shown in fig. 2, the power control branch includes a double-throw power switch 2QF2 connected to a power AC220V, an L terminal of the double-throw power switch is connected to an AC contactor 2KM, and the other terminal of the AC contactor is connected to an N terminal of the double-throw power switch.
Further, as shown in fig. 2, the manual control branch road includes starting relay 2K1, double-throw switch's N end is connected to starting relay's one end, fault relay normally closed contact KF-1 is connected to its other end, normally open button SB1 is connected to fault relay normally closed contact's the other end, normally closed button SB2 is connected to normally open button's the other end, change-over switch ISA's contact is connected to normally closed button's the other end four, double-throw switch's L end is connected to change-over switch's contact three, normally open button parallel starting relay second normally open contact 2K1-2, starting indicator D1 is connected to starting relay second normally open contact's one end, double-throw switch's N end is connected to starting indicator's the other end.
Further, as shown in fig. 2, the automatic control branch comprises a first branch and a second branch, the first branch comprises a mode switching relay 2KA1, one end of the mode switching relay is connected with the N end of the double-throw power switch, the other end of the mode switching relay is connected with a contact of the switching switch, and is simultaneously connected with a second normally open contact 2KA1-2 of the mode switching relay, the other end of the second normally open contact of the mode switching relay is connected between the second normally open contact of the starting relay and the starting indicator light, and a contact of the switching switch is connected with the L end of the double-throw power switch; the second branch is including the wiring end A1 of connecting double-throw switch L end, and wiring end A2 connects regulation control relay 2KA2, and double-throw switch N end is connected to regulation control relay's the other end, wiring end A1, A2 and feed bin unloading taste are connected corresponding relay normally open contact's both ends one-to-one.
Further, as shown in fig. 2, the fault shutdown branch includes a terminal B1 connected to the L end of the double-throw power switch, a terminal B2 is connected to a fault relay KF, the other end of the fault relay is connected to the N end of the double-throw power switch, the fault relay is connected in parallel to a fault indicator lamp D2, and terminals B1 and B2 are connected to the R03B end and the R03C end of the frequency converter in a one-to-one correspondence.
Further, as shown in fig. 1, a frequency indicator PV is connected between the a01 terminal and the AGND2 terminal of the frequency converter, and a current indicator PA is connected between the a02 terminal and the AGND2 terminal of the frequency converter.
Further, as shown in fig. 3, the PLC unit includes a PLC controller 2, the 1M end of the PLC controller is grounded and is connected to the negative electrode of the +24V power source, the positive electrode of the +24V power source is connected to the third normally open contact 2K1-3 of the start relay, the third normally open contact 2KA1-3 of the mode conversion relay, the auxiliary normally open contact 2QF1-1 of the three-phase power switch, the normally open contact KF-2 of the fault relay, and the normally open contact 2KA2-1 of the regulation control relay, the other end of the third normally open contact of the start relay is connected to the normally open contact 2KR-1 of the operation relay, the other end of the normally open contact of the operation relay is connected to the 10.0 end of the PLC controller, the other end of the third normally open contact of the mode conversion relay is connected to the 10.1 end of the PLC controller, the other end of the auxiliary normally open contact of the three-phase power switch is connected to the auxiliary normally open contact 2QF2-1 of the double-throw power switch, the other end of the auxiliary normally open contact of the double-throw power switch is connected with the 10.2 end of the PLC controller, the other end of the normally open contact of the fault relay is connected with the 10.3 end of the PLC controller, and the other end of the normally open contact of the regulation control relay is connected with the 10.4 end of the PLC controller; the 1L end of the PLC is connected with a +24V power supply; and the Q0.0 end of the PLC is connected with the AGND end of the frequency converter, and the Q0.1 end of the PLC is connected with the AI2 end of the frequency converter.
Preferably, the PLC controller is an S7-224 programmable controller.
Preferably, the frequency converter is an ABB ACS550-01 frequency converter.
The working process of the invention is as follows:
manual control mode
Closing a three-phase power switch 2QF1, a double-throw power switch 2QF2, attracting an alternating current contactor 2KM, closing a normally open contact 2KM-1 of the alternating current contactor, electrifying a power input end L1, an L2 and an L3 of a frequency converter, keeping the frequency converter in a ready state, placing a change-over switch ISA in a 'manual' position, closing contacts of the change-over switch, closing contacts of a normally open button SB1, starting the attraction of a relay 2K1, lighting a starting indicator lamp D1, closing a first normally open contact 2K1-1 of the starting relay, enabling a DI1 end of the frequency converter to be at a high level, keeping the frequency converter in a starting state, adjusting a potentiometer RP at the moment, enabling the voltage at an AI1 end of the frequency converter to be changed between 0 and 10V, enabling the power frequency output by a power output end U, V, W of the frequency converter to be changed, and further enabling the vibration amplitude of a vibration motor M to be changed; meanwhile, a second normally open contact 2K1-2 of the starting relay is closed, and self-protection is carried out on the starting relay; the operation of the frequency converter can be stopped by pressing a normally closed button SB 2; when the frequency converter breaks down in work, the end R03B and the end R03C of the frequency converter are communicated, the wiring ends B1 and B2 in the fault shutdown branch are communicated, the fault relay KF is attracted, the fault indicator lamp D2 is turned on, the normally closed contact KF-1 of the fault relay is turned off, the starting relay is released, and the frequency converter stops running.
Automatic mode of operation
Closing a three-phase power switch 2QF1, a double-throw power switch 2QF2, closing an AC contactor 2KM, closing a normally open contact 2KM-1 of the AC contactor, electrifying a power input end L1, an L2 and an L3 of a frequency converter, keeping the frequency converter in a ready state, closing an auxiliary normally open contact 2QF1-1 of the three-phase power switch and an auxiliary normally open contact 2QF2-1 of the double-throw power switch, providing an 'electrifying' signal to a PLC controller 10.2 end, placing a change-over switch ISA in an 'automatic' position, closing contacts of a change-over switch, closing a mode change-over relay 2KA1, closing a first normally open contact 2KA1-1 of the mode change-over relay, keeping a DI3 end of the frequency converter at a high level, closing a third normally open contact 2KA1-3 of the mode change-over relay, providing an 'automatic' signal to the PLC controller 10.1 end, keeping the frequency converter in an automatic working mode, the second normally open contact 2KA1-2 of the mode switching relay is closed, the actuation of the starting relay, the starting indicator lamp is on, the first normally open contact of the starting relay is closed, the DI1 high level of the frequency converter is in the starting state, the operation relay 2KR actuation connected with the frequency converter is closed, the normally open contact 2KR-1 of the operation relay is closed, the third normally open contact of the starting relay is in the closed state, the PLC controller 10.0 end obtains an ' operation ' signal, at the moment, if the blanking mouth is blocked by the relay detected by the blanking mouth feel of the storage bin, the normally open contact of the induction relay is closed, the wiring end A1 and A2 in the control unit are communicated, the actuation of the regulation control relay 2KA2, the normally open contact 2KA2-1 of the regulation control relay is closed, the PLC controller 10.4 end obtains a ' speed regulation ' signal ', the output end Q0.0.0 and Q0.1 of the PLC controller give the input AI2, the Q0.1 of the frequency converter, AGND inputs the linearly rising regulating voltage to change the power frequency output by the power output end U, V, W of the frequency converter, so that the vibration amplitude of the vibration motor M is gradually increased, when a blanking port is smooth, the normally open contact of the induction relay is disconnected, the terminals A1 and A2 in the control unit are disconnected, the regulating control relay 2KA2 is released, the normally open contact 2KA2-1 of the regulating control relay is disconnected, and the regulation is stopped; when the work of converter breaks down, the R03B end of converter, R03C end intercommunication, wiring end B1 in the fault shutdown branch road, B2 intercommunication, fault relay KF actuation, fault indicator D2 is bright, fault relay normally closed contact KF-1 disconnection, and then make the start relay release, converter stop operation, and simultaneously, PLC controller's 10.3 end obtains a "trouble" signal, PLC controller stop work.
The frequency indicator (PV) and the current indicator (PA) are respectively used for monitoring the working frequency and the working current of the frequency converter.
The vibration motor amplitude regulation and control system is simple in electrical structure, can conveniently regulate the vibration amplitude of the vibration motor, reduces the failure rate of the amplitude regulation and control system, reduces the maintenance cost and improves the production efficiency.
Claims (9)
1. The vibration motor amplitude regulation and control system comprises a main unit, a control unit and a PLC unit, wherein the main unit comprises a frequency converter (1), power input ends L1, L2 and L3 of the frequency converter are connected with a normally open contact (2KM-1) of an alternating current contactor, the input end of the normally open contact of the alternating current contactor is connected with the output end of a three-phase power switch (2QF1), and the input end of the three-phase power switch is connected with a three-phase alternating current power supply AC 380V; the power output end U, V, W of converter connects vibrating motor (M), its characterized in that: the power supply terminal +24V of the frequency converter is respectively connected with a ROIC terminal of the frequency converter, a reset button (SBR), a first normally open contact (2KA1-1) of a mode conversion relay, a first normally open contact (2K1-1) of a starting relay, the other end of the reset button is connected with a DI5 terminal of the frequency converter, the other end of the first normally open contact of the mode conversion relay is connected with a DI3 terminal of the frequency converter, the other end of the first normally open contact of the starting relay is connected with a DI1 terminal of the frequency converter, a GND terminal and a DCOM terminal of the frequency converter are connected with an RO1B terminal of the frequency converter through an operation relay (2KR), the power supply terminal +10V of the frequency converter is connected with an AGND1 terminal of the frequency converter through a potentiometer (RP), and an adjusting terminal of the potentiometer is connected with an AI1 terminal of the frequency converter; the control unit comprises a power supply control branch, a manual control branch, an automatic control branch and a fault shutdown branch.
2. The vibration motor amplitude regulation system according to claim 1, characterized in that: the power control branch comprises a double-throw power switch (2QF2) connected with a power AC220V, the L end of the double-throw power switch is connected with an alternating current contactor (2KM), and the other end of the alternating current contactor is connected with the N end of the double-throw power switch.
3. The vibration motor amplitude regulation system according to claim 1 or 2, characterized in that: manual control branch road is including starting relay (2K1), double-throw switch's N end is connected to starting relay's one end, fault relay normally closed contact (KF-1) is connected to its other end, normally open button (SB1) is connected to fault relay normally closed contact's the other end, normally closed button (SB2) is connected to normally open button's the other end, transfer switch's contact (ISA) is connected to normally closed button's the other end-.
4. The vibration motor amplitude regulation system of claim 3, wherein: the automatic control branch comprises a first branch and a second branch, the first branch comprises a mode conversion relay (2KA1), one end of the mode conversion relay is connected with the N end of the double-throw power switch, the other end of the mode conversion relay is connected with a contact of the conversion switch, the mode conversion relay is simultaneously connected with a second normally open contact (2KA1-2), the other end of the second normally open contact of the mode conversion relay is connected between the second normally open contact of the starting relay and the starting indicator light, and a contact of the conversion switch is connected with the L end of the double-throw power switch; the second branch is including the wiring end A1 of connecting double-throw switch L end, and wiring end A2 connects regulation control relay (2KA2), and double-throw switch N end is connected to regulation control relay's the other end, wiring end A1, A2 and feed bin unloading taste are connected corresponding relay normally open contact's both ends one-to-one.
5. The vibration motor amplitude regulation system of claim 4, wherein: the fault shutdown branch circuit comprises a terminal B1 connected with the L end of the double-throw power switch, a terminal B2 connected with a fault relay (KF), the other end of the fault relay connected with the N end of the double-throw power switch, the fault relay connected with a fault indicator lamp (D2), and terminals B1 and B2 are connected with the R03B end and the R03C end of the frequency converter in a one-to-one correspondence manner.
6. The vibration motor amplitude regulation system of claim 5, wherein: a frequency indicator (PV) is connected between the end A01 and the end AGND2 of the frequency converter, and a current indicator (PA) is connected between the end A02 and the end AGND2 of the frequency converter.
7. The vibration motor amplitude regulation system according to claim 1, characterized in that: the PLC unit comprises a PLC controller (2), the 1M end of the PLC controller is grounded and is simultaneously connected with the negative electrode of a +24V power supply, the positive electrode of the +24V power supply is simultaneously connected with a third normally-open contact (2K1-3) of a starting relay, a third normally-open contact (2KA1-3) of a mode conversion relay, an auxiliary normally-open contact (2QF1-1) of a three-phase power switch, a normally-open contact (KF-2) of a fault relay and a normally-open contact (2KA2-1) of an adjusting control relay, the other end of the third normally-open contact of the starting relay is connected with a normally-open contact (2KR-1) of an operating relay, the other end of the normally-open contact of the operating relay is connected with the 10.0 end of the PLC controller, the other end of the third normally-open contact of the mode conversion relay is connected with the 10.1 end of the PLC controller, the other end of the auxiliary normally-open contact of the three-phase power switch is connected with an auxiliary normally-open contact (2QF2-1) of a double-throw power switch, the other end of the auxiliary normally open contact of the double-throw power switch is connected with the 10.2 end of the PLC controller, the other end of the normally open contact of the fault relay is connected with the 10.3 end of the PLC controller, and the other end of the normally open contact of the regulation control relay is connected with the 10.4 end of the PLC controller; the 1L end of the PLC is connected with a +24V power supply; and the Q0.0 end of the PLC is connected with the AGND end of the frequency converter, and the Q0.1 end of the PLC is connected with the AI2 end of the frequency converter.
8. The vibration motor amplitude regulation system of claim 7, wherein: the PLC controller is an S7-224 programmable controller.
9. The vibration motor amplitude regulation system of claim 8, wherein: the frequency converter is an ABB ACS550-01 frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110690638.2A CN113315452A (en) | 2021-06-22 | 2021-06-22 | Vibration motor amplitude regulation and control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110690638.2A CN113315452A (en) | 2021-06-22 | 2021-06-22 | Vibration motor amplitude regulation and control system |
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| CN113315452A true CN113315452A (en) | 2021-08-27 |
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| CN202110690638.2A Pending CN113315452A (en) | 2021-06-22 | 2021-06-22 | Vibration motor amplitude regulation and control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768140A (en) * | 2022-05-13 | 2022-07-22 | 华能鹤岗发电有限公司 | Flame-retardant spraying device capable of being automatically adjusted in coal conveying process |
-
2021
- 2021-06-22 CN CN202110690638.2A patent/CN113315452A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768140A (en) * | 2022-05-13 | 2022-07-22 | 华能鹤岗发电有限公司 | Flame-retardant spraying device capable of being automatically adjusted in coal conveying process |
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