CN115557171A - Control system and method of spiral conveyor - Google Patents
Control system and method of spiral conveyor Download PDFInfo
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- CN115557171A CN115557171A CN202211345763.0A CN202211345763A CN115557171A CN 115557171 A CN115557171 A CN 115557171A CN 202211345763 A CN202211345763 A CN 202211345763A CN 115557171 A CN115557171 A CN 115557171A
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- control
- motor
- control circuit
- switch
- relay
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/34—Applications of driving gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
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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
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/24—Controlling the direction, e.g. clockwise or counterclockwise
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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
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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
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
- H02P3/18—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor
Abstract
The invention provides a control system and a control method of a screw conveyor. The system comprises: a field control circuit; the first control circuit is electrically connected with the field control circuit and used for receiving a first control signal, controlling the motor to rotate forwards through the first control circuit according to the first control signal and driving the screw conveyor to rotate forwards through the motor; and the second control circuit is electrically connected with the field control circuit and is connected with the first control circuit in parallel, and is used for receiving a second control signal, controlling the motor to reversely rotate through the second control circuit according to the second control signal and driving the screw conveyor to reversely rotate through the motor. According to the scheme of the invention, when the screw conveyor has a jamming failure due to material blockage, the first control circuit and the second control circuit are used for controlling the screw conveyor to rotate forward and backward to pour out the blocked materials to remove the failure, so that an operator does not need to manually rotate the screw conveyor forward and backward, the time and the labor are saved, and the production capacity of a production line is improved.
Description
Technical Field
The invention relates to the technical field of signal control, in particular to a control system and a control method of a screw conveyor.
Background
In the technological process of a hydrofluorination production line, a screw conveyor suitable for conveying a uranium dioxide raw material and uranium tetroxide plays an important role, and in the uranium conversion treatment process, uranium and compounds thereof easily form agglomerated large-particle materials in the form of solid powder, so that the screw conveyor is frequently blocked;
the spiral conveyor used in the prior hydrofluorination production procedure can only carry out simple forward rotation starting and forward rotation stopping control, so that when the spiral conveyor is blocked and stopped due to material blockage in the operation process, an operator needs to manually rotate the spiral conveyor forward and backward to pour out the blocked materials to remove the faults, the time consumption is long, the labor is wasted, and the materials cannot be timely conveyed to the next treatment procedure for reaction, thereby seriously influencing the productivity of the production line.
Disclosure of Invention
The invention provides a control system and a control method of a spiral conveyor, and aims to solve the problems that when the spiral conveyor is blocked due to material blockage, an operator needs to manually rotate the spiral conveyor forward and backward to pour out the blocked materials, so that the blockage is eliminated, the time consumption is long, the manpower is wasted, and the production capacity of a production line is influenced.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a control system for an auger conveyor, comprising: the frequency converter and the motor are electrically connected with the frequency converter; wherein, the converter includes:
a field control circuit;
the first control circuit is electrically connected with the field control circuit and used for receiving a first control signal, controlling the motor to rotate forwards through the first control circuit according to the first control signal and driving the screw conveyor to rotate forwards through the motor;
and the second control circuit is electrically connected with the field control circuit and is connected with the first control circuit in parallel, and is used for receiving a second control signal, controlling the motor to reversely rotate through the second control circuit according to the second control signal and driving the screw conveyor to reversely rotate through the motor.
Optionally, the field control circuit includes:
the contactor is electrically connected with the first phase input end, the second phase input end, the third phase input end of the motor and a zero line of a power supply through a remote control switch.
Optionally, the field control circuit further includes:
a first stop button in series with the remote control switch;
a second stop button in series with the remote control switch and the first stop button;
a first start switch in series with the second stop button;
a second start switch connected in parallel with the first start switch and the contactor.
Optionally, the first control circuit includes:
a first relay connected in parallel with the contactor;
a first control switch connected in series with the first relay;
the first relay is electrically connected with a zero line of the power supply, and the first control switch is electrically connected with a first phase input end of the motor through the remote control switch;
the remote control switch is conducted with the first control switch, and under the condition that the first control switch is closed, the contact of the first relay is closed, the contact of the contactor is closed, and under the condition that the second phase input end and the third phase input end of the motor are closed, the motor is controlled to rotate forwards according to the first control signal.
Optionally, the second control circuit includes:
a second relay connected in parallel with the contactor;
a second control switch connected in series with the second relay;
the second relay is electrically connected with a zero line of the power supply, and the second control switch is electrically connected with the first phase input end of the motor through the remote control switch;
the remote control switch is conducted with the second control switch, and under the condition that the second control switch is closed, the contact of the second relay is closed, the contact of the contactor is closed, and under the condition that the second phase input end and the third phase input end of the motor are closed, the motor is controlled to reversely rotate according to the second control signal.
Optionally, the control system of the screw conveyor further includes at least one of:
a fault indication circuit connected in parallel with the second control circuit;
an operation indicating circuit connected in parallel with the fault indicating circuit;
a stop indication circuit connected in parallel with the run indication circuit.
Optionally, the fault indication circuit includes:
a frequency converter fault switch;
a third relay in series with the frequency converter fault switch;
and a fault indicator lamp connected in parallel with the third relay.
Optionally, the operation indication circuit includes:
a contactor;
a first operation indicator lamp connected in series with the contactor;
a second running indicator light connected in parallel with the first running indicator light.
Optionally, the stop indication circuit includes:
a contactor;
a first stop light in series with the contactor;
a second stop light in parallel with the first stop light.
The present invention also provides a method of controlling an auger, applied to a system as described above, the method comprising:
receiving a first control signal;
controlling the motor to rotate forwards through a first control circuit according to a first control signal, and driving the screw conveyor to rotate forwards through the motor;
receiving a second control signal when the screw conveyor is blocked;
and controlling the motor to reversely rotate through a second control circuit according to the second control signal, and driving the screw conveyor to reversely rotate by the motor.
The scheme of the invention at least comprises the following beneficial effects:
according to the scheme, the motor is electrically connected with the frequency converter through the frequency converter; wherein, the converter includes: a field control circuit; the first control circuit is electrically connected with the field control circuit and used for receiving a first control signal, controlling the motor to rotate forwards through the first control circuit according to the first control signal and driving the screw conveyor to rotate forwards through the motor; and the second control circuit is electrically connected with the field control circuit and is connected with the first control circuit in parallel, and is used for receiving a second control signal, controlling the motor to reversely rotate through the second control circuit according to the second control signal and driving the screw conveyor to reversely rotate through the motor. The screw conveyor can be controlled to rotate forwards and backwards to pour out the blocked materials to remove the fault through the first control circuit and the second control circuit when the screw conveyor is blocked due to the materials, the screw conveyor rotating forwards and backwards manually by an operator is not needed, time and manpower are saved, and the production capacity of a production line is improved.
Drawings
Fig. 1 is a control circuit diagram of the screw conveyor according to the embodiment of the present invention;
FIG. 2 is a schematic diagram of a control chip of the frequency converter according to the embodiment of the invention;
FIG. 3 is a schematic diagram of the control system of the screw conveyor according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a control method of the screw conveyor according to the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a control system of an auger, including: the frequency converter and the motor are electrically connected with the frequency converter; wherein, the converter includes: a field control circuit;
the first control circuit is electrically connected with the field control circuit and used for receiving a first control signal, controlling the motor to rotate forwards through the first control circuit according to the first control signal and driving the screw conveyor to rotate forwards through the motor;
and the second control circuit is electrically connected with the field control circuit and is connected with the first control circuit in parallel, and is used for receiving a second control signal, controlling the motor to reversely rotate through the second control circuit according to the second control signal and driving the screw conveyor to reversely rotate through the motor.
Wherein, the motor is a three-phase motor.
In the embodiment of the invention, the first control circuit controls the motor to operate in the forward direction according to the received first control signal, and drives the screw conveyor to operate in the forward direction through the motor; and controlling the motor to reversely rotate through a second control circuit connected with the first control circuit in parallel according to the received second control signal, and driving the screw conveyor to reversely rotate through the motor. Therefore, when the screw conveyor is blocked and stopped due to material blockage, the first control circuit and the second control circuit control the screw conveyor to rotate forward and backward to pour out the blocked materials to remove the blockage, an operator does not need to manually rotate the screw conveyor forward and backward, time and manpower are saved, and the production capacity of a production line is improved.
In an optional embodiment of the present invention, the field control circuit includes: the contactor KM1 is electrically connected with a first phase input end, a second phase input end, a third phase input end of the motor and a zero line of a power supply through a remote control switch SA.
In this embodiment, the contactor KM1 is electrically connected to the first phase input end, the second phase input end, the third phase input end of the motor and the zero line of the power supply through the remote control switch SA, and controls the action of the motor by controlling the action of the contactor KM1, thereby realizing the action of the screw conveyor.
In another optional embodiment of the present invention, the field control circuit further includes: a first stop button SS1 connected in series with the remote control switch SA; a second stop button SS2 connected in series with the remote control switch SA and the first stop button SS1; a first start switch SF1 connected in series with the second stop button SS2; and a second start switch SF2 connected in parallel with the first start switch SF1 and the contactor KM 1.
In this embodiment, the first stop button SS1 is connected in series with the second stop button SS2, the first start switch SF1 and the contactor KM1, so that the screw conveyor can be controlled to stop running no matter the first stop button SS1 or the second stop button SS2 is controlled to be turned off, the second start switch SF2 is connected in parallel with the first start switch SF1, so that the screw conveyor can be controlled to start running no matter the first start switch SF1 or the second start switch SF2 is controlled to be turned on, so that when the screw conveyor needs to be controlled to stop running, an operator on site can control the stop button closest to the operator to stop running the screw conveyor, and when the screw conveyor needs to be started, the operator can control the start switch to be turned on at any position where the start switch is arranged, so as to control the screw conveyor to start running, and is fast and convenient.
It should be noted that, the field control circuit may be provided with at least two sets of start-stop buttons, and the set positions may include, but are not limited to: block terminal, machine control cabinet.
In yet another alternative embodiment of the present invention, the first control circuit includes: the first relay KA1 is connected with the contactor KM1 in parallel; a first control switch SF3 connected in series with the first relay KA1; the first relay KA1 is electrically connected with a zero line of the power supply, and the first control switch SF3 is electrically connected with a first phase input end of the motor through the remote control switch SA;
the remote control switch SA is conducted with the first control switch SF3, under the condition that the first control switch SF3 is closed, the contact of the first relay KA1 is closed, the contact of the contactor KM1 is closed, and under the condition that the second-phase input end and the third-phase input end of the motor are closed, the motor is controlled to rotate forwardly according to the first control signal.
In this embodiment, the first relay KA1 and the contact of the contactor KM1 are connected in parallel with the contactor KM1; the contact of the first relay KA1 is connected with the first relay KA1 in parallel, and the first control switch SF3 is connected with the first relay KA1 in series; the first relay KA1 is electrically connected with a zero line of the power supply, and the first control switch SF3 is electrically connected with a first phase input end of the motor through the remote control switch SA;
the remote control switch SA is switched to a position communicated with a first control switch SF3, under the condition that the first control switch SF3 is closed, a coil of the first relay KA1 is electrified, a contact of the first relay KA1 is closed, a coil of the contactor KM1 is electrified, a contact of the contactor KM1 is closed, and under the condition that a second phase input end and a third phase input end of the motor are closed, the motor is controlled to rotate forwardly according to the first control signal. Therefore, the screw conveyor can be driven to rotate forwards through the forward rotation operation of the motor so as to convey materials, and when the screw conveyor is stopped, the screw conveyor can also rotate forwards and backwards alternately to pour out the materials and remove faults.
In another optional embodiment of the present invention, the second control circuit comprises: a second relay KA3 connected in parallel with the contactor KM1; a second control switch SF4 connected in series with the second relay KA3; the second relay KA3 is electrically connected with a zero line of the power supply, and the second control switch SF4 is electrically connected with a first phase input end of the motor through the remote control switch SA;
the remote control switch SA is conducted with the second control switch SF4, under the condition that the second control switch SF4 is closed, the contact of the second relay KA3 is closed, the contact of the contactor KM1 is closed, and under the condition that the second phase input end and the third phase input end of the motor are closed, the motor is controlled to rotate reversely according to the second control signal.
In this embodiment, the second control circuit includes: a second relay KA3 and a contact of the contactor KM1 are connected with the contactor KM1 in parallel; the contact of the second relay KA3 is connected with the second relay KA3 in parallel, and the second control switch SF4 is connected with the second relay KA3 in series; the second relay KA3 is electrically connected with a zero line of the power supply, and the second control switch SF4 is electrically connected with a first phase input end of the motor through the remote control switch SA;
the remote control switch SA is turned to the position communicated with the second control switch SF4, the second control switch SF4 is closed, the coil of the second relay KA3 is electrified, the contact of the second relay KA3 is closed, the coil of the contactor KM1 is electrified, the contact of the contactor KM1 is closed, and under the condition that the second phase input end and the third phase input end of the motor are closed, the motor is controlled to reversely rotate according to the second control signal. Therefore, when the screw conveyor is blocked and stopped, the materials can be poured out through forward rotation and reverse rotation alternate operation, and faults are eliminated.
In yet another alternative embodiment of the present invention, the control system of the screw conveyor may further include at least one of: a fault indication circuit connected in parallel with the second control circuit; an operation indicating circuit connected in parallel with the fault indicating circuit; a stop indication circuit connected in parallel with the run indication circuit.
In this embodiment, the failure indication circuit connected in parallel to the second control circuit may indicate when the inverter fails, the operation indication circuit connected in parallel to the failure indication circuit may indicate when the screw conveyor starts to operate, and the stop indication circuit connected in parallel to the operation indication circuit may indicate when the screw conveyor stops operating.
In another optional embodiment of the present invention, the fault indication circuit includes: a frequency converter fault switch BPQ; the third relay KA2 is connected with the frequency converter fault switch BPQ in series; and the fault indicator lamp HW is connected with the third relay KA2 in parallel.
In the embodiment, the third relay KA2 is connected in series with the frequency converter fault switch BPQ; the relay comprises a fault indicator lamp HW connected with the third relay KA2 in parallel and a contact of the third relay KA2 connected with the fault indicator lamp HW in series.
When the frequency converter breaks down, the frequency converter fault switch BPQ is switched from normally open to closed, the coil of the third relay KA2 is electrified, the contact of the third relay KA2 is closed, and the fault indicator lamp is turned on to prompt the frequency converter to break down. Thus facilitating timely troubleshooting.
As shown in fig. 1, the inverter failure switch BPQ, the first control switch SF3, and the second control switch SF4 in the dashed line frame may be virtual switch buttons provided on a computer.
In yet another alternative embodiment of the present invention, the operation indication circuit includes: a contactor KM1; a first operation indicator lamp HR1 connected with the contactor KM1 in series; and a second running indicator HR2 connected in parallel with the first running indicator HR 1.
In this embodiment, a first operation indicator lamp HR1 is connected in series with the contact of the contactor KM1; a second running indicator HR2 connected in parallel with the first running indicator HR 1. Here, the first operation indicator light HR1 and the second operation indicator light HR2 are connected in parallel, so that when one of the operation indicator lights fails, the other operation indicator light can still be turned on, and the indication function of the operation indicator light is ensured to be exerted.
When the screw conveyor runs, the coil of the contactor KM1 is electrified, the contact of the contactor KM1 is changed from normally open to closed, and the first running indicator lamp HR1 and the second running indicator lamp HR2 are lightened to indicate that the screw conveyor is in a running state.
In another optional embodiment of the present invention, the stop indication circuit comprises: a contactor KM1; a first stop indicator lamp HG1 connected in series with the contactor KM1; and a second stop lamp HG2 connected in parallel to the first stop lamp HG 1.
In this embodiment, a first stop indicator HG1 is connected in series with the contact of the contactor KM1; a second stop lamp HG2 connected in parallel to the first stop lamp HG 1. Here, the first stop indicator light HG1 and the second stop indicator light HG2 are connected in parallel, so that when one of the stop indicator lights fails, the other stop indicator light can still be turned on, thereby ensuring that the indication function of the stop indicator light is exerted.
When the auger is stopped, the coil of the contactor KM1 loses power, the contact of the contactor KM1 is changed from normally closed to open, and the first stop indicator lamp HG1 and the second stop indicator lamp HG2 are turned on to indicate that the auger is in a stopped state.
As shown in fig. 2, in another optional embodiment of the present invention, an architecture of the frequency converter chip may include:
the frequency converter is electrically connected with the input end of the motor: a three-phase input end (R), a power supply end (S) and a control frequency end (T); the voltage of the power supply terminal may be 380V (volts), and the control frequency of the control frequency terminal may be 50 hertz or 60 hertz;
the output of motor is connected to the converter: a first phase input (U) of the motor, a second phase input (V) of the motor, a third phase input (W) of the motor;
the multifunctional digital input interface of the frequency converter comprises: a multifunctional input terminal (X1, X2., X6), a forward rotation control terminal (FWD), a reverse rotation control terminal (REV) and a common terminal (COM);
the multifunctional relay of the frequency converter outputs: a first multifunctional output terminal (1 TB), a second multifunctional output terminal (1 TC), a third multifunctional output terminal (1 TA), a fourth multifunctional output terminal (2 TB), a fifth multifunctional output terminal (2 TB), and a sixth multifunctional output terminal (2 TA);
a potentiometer: a power supply terminal (+ 10V), a potentiometer input terminal (AI 1), and a ground terminal (GND);
the sensor: a sensor input terminal (AI 2), a power supply terminal (24V);
the multifunctional analog output of the frequency converter is as follows: a frequency output signal end (AO 1), a current output signal end (AO 2) and a grounding end (GND).
In another alternative embodiment of the present invention, as shown in fig. 3, the transmission process of the control signal of the screw conveyor may include:
a monitoring end; the control system is in communication connection with the monitoring end; the frequency converter is in communication connection with the control system, and the motor is electrically connected with the frequency converter; wherein, the terminal may include: at least one computer; the control system may include: DCS (Distributed Control System, distributed computer Control System);
monitoring data are transmitted to a relay and an I/O (IN/OUT, input/output) module of a control system (DCS) through a terminal (PC) of a monitoring end, the control system (DCS) sends a control signal to the frequency converter according to the monitoring data, the frequency converter controls a motor to act according to the control signal, and the frequency converter sends a feedback signal to the control system, so that the action of the spiral conveyor is controlled.
The control system (DCS) can be used for carrying out configuration change and hardware configuration of forward and reverse rotation control of the motor, the control and frequency adjustment of the frequency converter are realized by connecting a relay and an I/O module of the control system (DCS) through a cable, and the control mode of the frequency converter is set to be the functions of forward rotation remote control or reverse rotation remote control, remote reset and the like.
In fig. 3, a is a first phase power, B is a second phase power, C is a third phase power, R is a first phase input end of the frequency converter, S is a second phase input end of the frequency converter, T is a third phase input end of the frequency converter, U is a first phase output end of the frequency converter, a first phase input end of the contactor KM1, V is a second phase output end of the frequency converter, a second phase input end of the contactor KM1, W is a third phase output end of the frequency converter, and a third phase input end of the contactor KM 1.
In the embodiment of the invention, through the control system of the screw conveyor, when the screw conveyor has a jamming failure due to material blockage, the first control circuit and the second control circuit can control the screw conveyor to rotate forward and backward to pour out the blocked materials to remove the failure, so that an operator does not need to manually rotate the screw conveyor forward and backward, the time and the labor are saved, and the production capacity of a production line is improved.
As shown in fig. 4, an embodiment of the present invention also provides a control method of an auger, the method including:
and step 44, controlling the motor to reversely rotate through a second control circuit according to the second control signal, and driving the screw conveyor to reversely rotate by the motor. It should be noted that the method is a method corresponding to the system, and all the implementation manners in the embodiment of the system are applicable to the embodiment of the method, and the same technical effect can be achieved.
An embodiment of the present invention further provides a control apparatus, including: a processor, a memory storing a computer program which, when executed by the processor, performs the method as described above. All the implementation manners in the above method embodiment are applicable to this embodiment, and the same technical effect can be achieved.
Embodiments of the present invention also provide a computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to perform the method as described above. All the implementation manners in the above method embodiment are applicable to this embodiment, and the same technical effect can be achieved.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
Furthermore, it is to be noted that in the device and method of the invention, it is obvious that the individual components or steps can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of performing the series of processes described above may naturally be performed chronologically in the order described, but need not necessarily be performed chronologically, and some steps may be performed in parallel or independently of each other. It will be understood by those skilled in the art that all or any of the steps or elements of the method and apparatus of the present invention may be implemented in any computing device (including processor, storage medium, etc.) or network of computing devices, in hardware, firmware, software, or any combination thereof, which can be implemented by those skilled in the art using their basic programming skills after reading the description of the present invention.
The object of the invention is thus also achieved by a program or a set of programs running on any computing device. The computing device may be a general purpose device as is well known. The object of the invention is thus also achieved solely by providing a program product comprising program code for implementing the method or the apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is to be understood that the storage medium may be any known storage medium or any storage medium developed in the future. It is further noted that in the apparatus and method of the present invention, it is apparent that each component or step can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of executing the series of processes described above may naturally be executed chronologically in the order described, but need not necessarily be executed chronologically. Some steps may be performed in parallel or independently of each other.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A control system for an auger conveyor, comprising: the frequency converter and the motor are electrically connected with the frequency converter; wherein, the converter includes:
a field control circuit;
the first control circuit is electrically connected with the field control circuit and used for receiving a first control signal, controlling the motor to rotate forwards through the first control circuit according to the first control signal and driving the screw conveyor to rotate forwards through the motor;
and the second control circuit is electrically connected with the field control circuit and is connected with the first control circuit in parallel, and is used for receiving a second control signal, controlling the motor to reversely rotate through the second control circuit according to the second control signal and driving the screw conveyor to reversely rotate through the motor.
2. The control system of an auger conveyor according to claim 1, wherein said in-situ control circuit comprises:
the contactor (KM 1) is electrically connected with the first phase input end, the second phase input end, the third phase input end of the motor and a zero line of a power supply through a remote control Switch (SA).
3. The control system of an auger conveyor according to claim 2, wherein said in-situ control circuit further comprises:
a first stop button (SS 1) connected in series with the remote control Switch (SA);
a second stop button (SS 2) in series with the remote control Switch (SA) and the first stop button (SS 1);
a first start switch (SF 1) connected in series with said second stop button (SS 2);
a second start switch (SF 2) connected in parallel with the first start switch (SF 1) and the contactor (KM 1).
4. A control system for an auger conveyor according to claim 2 or claim 3, wherein the first control circuit comprises:
a first relay (KA 1) connected in parallel with the contactor (KM 1);
a first control switch (SF 3) connected in series with the first relay (KA 1);
the first relay (KA 1) is electrically connected with a zero line of the power supply, and the first control switch (SF 3) is electrically connected with a first phase input end of the motor through the remote control Switch (SA);
the remote control Switch (SA) is conducted with a first control switch (SF 3), under the condition that the first control switch (SF 3) is closed, a contact of the first relay (KA 1) is closed, a contact of the contactor (KM 1) is closed, and under the condition that a second-phase input end and a third-phase input end of the motor are closed, the motor is controlled to rotate positively according to the first control signal.
5. A control system for a screw conveyor according to claim 2 or 3, wherein said second control circuit comprises:
a second relay (KA 3) connected in parallel with the contactor (KM 1);
a second control switch (SF 4) connected in series with the second relay (KA 3);
the second relay (KA 3) is electrically connected with a zero line of the power supply, and the second control switch (SF 4) is electrically connected with a first phase input end of the motor through the remote control Switch (SA);
remote control Switch (SA) switches on with second control switch (SF 4), just under the closed condition of second control switch (SF 4), the contact of second relay (KA 3) is closed, the contact of contactor (KM 1) is closed, under the closed condition of second phase input end and the third phase input end of the motor of motor, according to second control signal control motor reversal operation.
6. The control system of an auger according to claim 1, further comprising at least one of:
a fault indication circuit connected in parallel with the second control circuit;
an operation indicating circuit connected in parallel with the fault indicating circuit;
a stop indication circuit connected in parallel with the run indication circuit.
7. The control system of an auger conveyor according to claim 6 wherein said fault indication circuit comprises:
a frequency converter fault switch (BPQ);
a third relay (KA 2) connected in series with the frequency converter fault switch (BPQ);
a fault indicator lamp (HW) connected in parallel with the third relay (KA 2).
8. The control system of an auger conveyor according to claim 6 wherein said operation indication circuit includes:
a contactor (KM 1);
a first operation indicator lamp (HR 1) connected in series with the contactor (KM 1);
a second running indicator light (HR 2) connected in parallel with the first running indicator light (HR 1).
9. The control system of an auger conveyor according to claim 6 wherein said stop indication circuit includes:
a contactor (KM 1);
a first stop indicator lamp (HG 1) connected in series with the contactor (KM 1);
a second stop indicator lamp (HG 2) connected in parallel to the first stop indicator lamp (HG 1).
10. A method of controlling an auger, applied to a system as claimed in any one of claims 1 to 9, the method comprising:
receiving a first control signal;
controlling the motor to rotate forwards through a first control circuit according to a first control signal, and driving the screw conveyor to rotate forwards through the motor;
receiving a second control signal when the screw conveyor is blocked;
and controlling the motor to reversely rotate through a second control circuit according to the second control signal, and driving the screw conveyor to reversely rotate by the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211345763.0A CN115557171A (en) | 2022-10-31 | 2022-10-31 | Control system and method of spiral conveyor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211345763.0A CN115557171A (en) | 2022-10-31 | 2022-10-31 | Control system and method of spiral conveyor |
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| Publication Number | Publication Date |
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| CN115557171A true CN115557171A (en) | 2023-01-03 |
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| CN202211345763.0A Pending CN115557171A (en) | 2022-10-31 | 2022-10-31 | Control system and method of spiral conveyor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116358360A (en) * | 2023-03-28 | 2023-06-30 | 浏阳市东方海岸电子科技有限公司 | Handheld intelligent electronic spraying decoration device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116358360A (en) * | 2023-03-28 | 2023-06-30 | 浏阳市东方海岸电子科技有限公司 | Handheld intelligent electronic spraying decoration device |
| CN116358360B (en) * | 2023-03-28 | 2023-09-29 | 浏阳市东方海岸电子科技有限公司 | Handheld intelligent electronic spraying decoration device |
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