CN212845796U - Display module of motor soft starter - Google Patents
Display module of motor soft starter Download PDFInfo
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- CN212845796U CN212845796U CN202020341489.XU CN202020341489U CN212845796U CN 212845796 U CN212845796 U CN 212845796U CN 202020341489 U CN202020341489 U CN 202020341489U CN 212845796 U CN212845796 U CN 212845796U
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Abstract
The utility model provides a display module of a motor soft starter, which comprises a mainboard and a display, wherein the mainboard comprises a main chip, and the main chip controls a pulse transformer to regulate the voltage of a three-phase thyristor which is connected in anti-parallel; the display includes body and tristimulus designation lamp, body and tristimulus designation lamp all are connected with the main chip electricity, the tristimulus designation lamp corresponds preparation, operation, the three kinds of states of trouble of motor, the tristimulus designation lamp is including preparing pilot lamp, operation pilot lamp and trouble pilot lamp, the button unit has on the body, and after the trouble of motor soft starter was got rid of, the trouble pilot lamp was extinguish, was prepared the pilot lamp and is become bright, stores the fault record and shows on the body to the mainboard through the button unit. The utility model discloses a mainboard carries out the pressure regulating to the anti-parallelly connected thyristor of three-phase through main chip control pulse transformer, ensures motor soft starter normal work.
Description
Technical Field
The utility model relates to a motor soft starter field especially relates to a motor soft starter's display module.
Background
The soft starter of the motor is a novel starting device which is designed and produced by adopting a power electronic technology, a microprocessing technology and a modern control theory and has the international advanced level at present. The product can effectively limit the starting current of the AC asynchronous motor when the AC asynchronous motor is started.
The motor soft starter is a novel motor control device integrating the functions of motor soft start, soft stop, light load energy saving and multiple protection functions. The soft starter of the motor adopts a three-phase anti-parallel thyristor as a voltage regulator, and the voltage regulator is connected between a power supply and a motor stator.
When the soft starter is used for starting the motor, the starting, stopping, parameter setting and Chinese character display functions of the motor are required to be carried out through the display module. Therefore, it is necessary to provide a display module of a motor soft starter to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a motor soft starter's display module utilizes the three kinds of states of three-colour pilot lamp demonstration motor soft start, reaches the interactive effect of man-machine friendly.
Realize the utility model discloses the technical scheme of purpose as follows:
a display module of a motor soft starter comprising:
the main board comprises a main chip, and the main chip controls the pulse transformer to regulate the voltage of the three-phase anti-parallel thyristor;
the display comprises a body and a three-color indicator lamp, wherein the body and the three-color indicator lamp are electrically connected with a main chip, the three-color indicator lamp corresponds to three states of preparation, operation and fault of a motor, the three-color indicator lamp comprises a preparation indicator lamp, an operation indicator lamp and a fault indicator lamp, a button unit is arranged on the body, after the fault of the motor soft starter is eliminated, the fault indicator lamp is turned off and the preparation indicator lamp is turned on, and the fault indicator lamp stores fault records and displays on the body to a mainboard through the button unit.
As a further improvement, the button unit on the body is electrically connected with the main chip, and the fault record displayed by the body can be deleted through the button unit.
As a further improvement of the present invention, the present invention further comprises:
and the detection module sends a fault signal to the main chip when detecting the fault of the motor soft starter, and the main chip cuts off the operation indicator lamp and switches on the fault indicator lamp to turn off the operation indicator lamp and turn on the fault indicator lamp.
As a further improvement of the present invention, the main chip is an ATMEGA32A chip, and the PA0 pin, PA1 pin, PA2 pin, PA3 pin, PB1 pin, PB2 pin, PB3 pin, PB4 pin of the ATMEGA32A chip are connected with the body electrical connection of the display.
As a further improvement of the present invention, the main chip is an ATMEGA32A chip, and the PD2 pin, PD3 pin, PD4 pin, PD5 pin, PD6 pin, PD7 pin of the ATMEGA32A chip are respectively connected to a switch and then grounded.
As the utility model discloses a further improvement, 6 resistances are concatenated to the 5V power, and 6 resistances insert respectively on the circuit between PD2 pin, PD3 pin, PD4 pin, PD5 pin, PD6 pin or PD7 pin of switch and ATMEGA32A chip.
As a further improvement of the utility model, the main chip is the ATMEGA32A chip, the PD0 pin and the PD1 pin of ATMEGA32A chip connect MAX232CPE chip, and the T2O pin and the R21 pin of MAX232CPE chip connect the RS232 interface.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a mainboard carries out the pressure regulating to the anti-parallelly connected thyristor of three-phase through main chip control pulse transformer, start at last electricity, at first sample and show the monitoring to the voltage that inserts the mainboard, if abnormal, the page shows fault record and the shut down machine and the relay of relativity moves, otherwise after voltage is normal, send pulse signal through main chip and trigger pulse transformer, meanwhile, after the motor begins to operate, sample and contrast its running current, if abnormal will protect the motor, the shut down motor moves when corresponding relay comes, otherwise if normal, motor normal operating, and carry out the sampling and the inspection of various parameters to it in real time, ensure its normal work.
2. The utility model discloses a display has the three-colour pilot lamp, corresponding preparation, operation, the three kinds of states of trouble of motor. When the main chip monitors the motor, if the fault is detected, the display displays the fault on the main board, the yellow fault indicating lamp can remind a user of the motor fault in a variable mode, the yellow fault indicating lamp is turned off after the fault is eliminated, the green lamp is prepared to be turned on, the fault record can be cleared through the button on the display, the motor is started and stopped through security inspection, or parameters and other operations are modified, the main board is better matched, and the man-machine friendly interaction effect is achieved.
Drawings
FIG. 1 is a functional block diagram of a display module of a motor soft starter;
fig. 2 is a circuit diagram of a display module of the motor soft starter;
fig. 3 is a schematic diagram of a drive system.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Example 1:
as shown in fig. 1, the present embodiment provides a display module of a motor soft starter, including a main board and a display, where the main board includes a main chip, and the main chip controls a pulse transformer to regulate voltage of a three-phase anti-parallel thyristor; the display includes body and tristimulus designation lamp, and body and tristimulus designation lamp all are connected with main chip electricity, and the tristimulus designation lamp corresponds the preparation of motor, operation, three kinds of states of trouble, and the tristimulus designation lamp is including preparing the pilot lamp, operation pilot lamp and trouble pilot lamp, has button unit on the body, and after motor soft starter's trouble was got rid of, the trouble pilot lamp was extinguish, prepare the pilot lamp and become bright, through button unit to mainboard storage fault record and show on the body.
The mainboard of this embodiment adjusts the voltage to the anti-parallelly connected thyristor of three-phase through main chip control pulse transformer, start at last the power-on, at first sample and show the monitoring to the voltage of inserting the mainboard, if abnormal, the page shows fault record and the machine of bring to rest and corresponding relay moves, otherwise after voltage is normal, send pulse signal through main chip and trigger pulse transformer, meanwhile, after the motor begins to operate, sample and compare its operating current, if abnormal will protect the motor, bring to rest the motor and corresponding relay moves when coming, otherwise if normal, the motor normally operates, and carry out the sampling and the inspection of various parameters to it in real time, ensure its normal work.
Example 2:
as shown in fig. 1, the present embodiment provides a display module of a motor soft starter, including a main board, a display, and a detection module, where the main board includes a main chip, and the main chip controls a pulse transformer to regulate voltage of a three-phase anti-parallel thyristor; the display includes body and tristimulus designation lamp, and body and tristimulus designation lamp all are connected with main chip electricity, and the tristimulus designation lamp corresponds the preparation of motor, operation, three kinds of states of trouble, and the tristimulus designation lamp is including preparing the pilot lamp, operation pilot lamp and trouble pilot lamp, has button unit on the body, and after motor soft starter's trouble was got rid of, the trouble pilot lamp was extinguish, prepare the pilot lamp and become bright, through button unit to mainboard storage fault record and show on the body. When the detection module detects a fault of the motor soft starter, a fault signal is sent to the main chip, and the main chip switches off the operation indicator lamp and switches on the fault indicator lamp to enable the operation indicator lamp to be turned off and the fault indicator lamp to be turned on.
The mainboard of this embodiment adjusts the voltage to the anti-parallelly connected thyristor of three-phase through main chip control pulse transformer, start at last the power-on, at first sample and show the monitoring to the voltage of inserting the mainboard, if abnormal, the page shows the fault record and the machine of bring to rest and the relay of relativity acts, otherwise after voltage is normal, send pulse signal through main chip and trigger pulse transformer, meanwhile, after the motor begins to operate, sample and compare its operating current, if abnormal will protect the motor, the motor of bring to rest and corresponding relay action, otherwise if normal, the motor normally operates, and carry out the sampling and the inspection of various parameters to it in real time, ensure its normal work.
The display of this embodiment has three-color indicator lights corresponding to the preparation, operation and failure states of the motor. When the main chip monitors the motor, if the fault is detected, the display displays the fault on the main board, the yellow fault indicating lamp can remind a user of the motor fault in a variable mode, the yellow fault indicating lamp is turned off after the fault is eliminated, the green lamp is prepared to be turned on, the fault record can be cleared through the button on the display, the motor is started and stopped through security inspection, or parameters and other operations are modified, the main board is better matched, and the man-machine friendly interaction effect is achieved.
Example 3:
on the basis of the disclosure of embodiment 1 and embodiment 2, this embodiment provides a circuit diagram of a display module.
As shown in fig. 2, the main chip is an ATMEGA32A chip, and the PA0 pin, the PA1 pin, the PA2 pin, the PA3 pin, the PB1 pin, the PB2 pin, the PB3 pin, and the PB4 pin of the ATMEGA32A chip are electrically connected to the body of the display. The main chip is an ATMEGA32A chip, and a PD2 pin, a PD3 pin, a PD4 pin, a PD5 pin, a PD6 pin and a PD7 pin of the ATMEGA32A chip are respectively connected with a switch and then grounded. The main chip is an ATMEGA32A chip, a PD0 pin and a PD1 pin of the ATMEGA32A chip are connected with the MAX232CPE chip, and a T2O pin and an R21 pin of the MAX232CPE chip are connected with an RS232 interface.
The 5V power supply is connected with 6 resistors in series, and the 6 resistors are respectively connected to lines among a PD2 pin, a PD3 pin, a PD4 pin, a PD5 pin, a PD6 pin or a PD7 pin of the ATMEGA32A chip.
Example 4:
on the basis of the disclosure of embodiments 1 to 3, this embodiment discloses a driving system connected to a main chip. As shown in fig. 3, the driving system includes a driving module, a voltage detecting module, a current detecting module, a processing module, a trigger pulse forming module, a control input module, and a human-computer interface module, wherein: the driving module comprises a thyristor, the output voltage of the thyristor is gradually increased when the motor is started, the motor is gradually accelerated, and the thyristor is replaced by a bypass contactor after the thyristor is fully conducted; the input end of the voltage detection module is connected between the power supply and the three-phase anti-parallel thyristor and is used for detecting a voltage real-time value about to flow into the three-phase anti-parallel thyristor; the output end of the voltage detection module is electrically connected with the processing module; the input end of the current detection module is connected between the three-phase anti-parallel thyristor and the motor and is used for detecting a current real-time value about to flow into the motor, and the output end of the current detection module is electrically connected with the processing module; the processing module is electrically connected with the trigger pulse forming module; the control input module is electrically connected with the processing module and inputs parameters to the processing module; the human-computer interface module is electrically connected with the processing module.
The driving circuit of the embodiment comprises a bypass output, a fault relay output and two programmable relay outputs, so that the interlocking control with other equipment is convenient to realize, and meanwhile, the driving circuit is provided with a 4-20mA analog signal and RS485 communication interface, parameter setting, operation and monitoring can be achieved through an upper computer, and perfect peripheral signal output ports such as high intelligent control and the like are realized. The processing module is a PIC18F45K80 chip, the ATMEGA32A chip is electrically connected with the PIC18F45K80 chip, and the PIC18F45K80 chip is provided with 44 pins. The voltage detection module, the current detection module and the trigger pulse forming module are respectively and electrically connected with different pins of the PIC18F45K80 chip. The voltage detection module is a voltage transformer URT which is connected with pins of a PIC18F45K80 chip through an MB05S chip.
The current detection module includes: the IA sub-circuit comprises a diode IAD1, a capacitor IAC2, a resistor IAR5, a resistor IAR1 and an MB05S chip, wherein the MB05S chip is connected with a resistor IAR1, the resistor IAR1 and the resistor IAR5 are connected in series and then connected with a pin of a PIC18F45K80 chip, a +5V power supply is connected with the diode IAD1 and then connected with the same pin of the PIC18F45K80 chip, and a +5V power supply is connected with the diode IAD1 and then connected with the same pin of the PIC18F45K80 chip; the IB sub-circuit and the IC sub-circuit are both the same as the IA sub-circuit. The IA sub-circuit, the IB sub-circuit and the IC sub-circuit are connected to a zero line, a live line and a ground line between the three-phase-reverse parallel thyristor and the motor.
The drive system of the patent comprises a bypass output, a fault relay output and two programmable relay outputs, is convenient to realize interlocking control with other equipment, is provided with a 4-20mA analog signal and RS485 communication interface, can enter parameter setting, operation and monitoring through an upper computer, and realizes perfect peripheral signal output ports such as high intelligent control.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A display module of a motor soft starter is characterized by comprising:
the main board comprises a main chip, and the main chip controls the pulse transformer to regulate the voltage of the three-phase anti-parallel thyristor;
the display comprises a body and a three-color indicator lamp, wherein the body and the three-color indicator lamp are electrically connected with a main chip, the three-color indicator lamp corresponds to three states of preparation, operation and fault of a motor, the three-color indicator lamp comprises a preparation indicator lamp, an operation indicator lamp and a fault indicator lamp, a button unit is arranged on the body, after the fault of the motor soft starter is eliminated, the fault indicator lamp is turned off and the preparation indicator lamp is turned on, and the fault indicator lamp stores fault records and displays on the body to a mainboard through the button unit.
2. The display module of claim 1, wherein the button unit on the body is electrically connected to the main chip, and the fault record displayed on the body can be deleted through the button unit.
3. The display module according to claim 1 or 2, further comprising:
and the detection module sends a fault signal to the main chip when detecting the fault of the motor soft starter, and the main chip cuts off the operation indicator lamp and switches on the fault indicator lamp to turn off the operation indicator lamp and turn on the fault indicator lamp.
4. The display module of claim 1, wherein the main chip is an ATMEGA32A chip, and the PA0 pin, the PA1 pin, the PA2 pin, the PA3 pin, the PB1 pin, the PB2 pin, the PB3 pin and the PB4 pin of the ATMEGA32A chip are electrically connected with the body of the display.
5. The display module of claim 4, wherein the main chip is an ATMEGA32A chip, and the PD2 pin, the PD3 pin, the PD4 pin, the PD5 pin, the PD6 pin and the PD7 pin of the ATMEGA32A chip are respectively connected with a switch and then grounded.
6. The display module of claim 5, wherein the 5V power supply is connected in series with 6 resistors, and the 6 resistors are respectively connected to the lines between the switch and the PD2 pin, the PD3 pin, the PD4 pin, the PD5 pin, the PD6 pin or the PD7 pin of the ATMEGA32A chip.
7. The display module of claim 1, wherein the main chip is an ATMEGA32A chip, the PD0 and PD1 pins of the ATMEGA32A chip are connected to a MAX232CPE chip, and the T2O and R21 pins of the MAX232CPE chip are connected to an RS232 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020341489.XU CN212845796U (en) | 2020-03-18 | 2020-03-18 | Display module of motor soft starter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020341489.XU CN212845796U (en) | 2020-03-18 | 2020-03-18 | Display module of motor soft starter |
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| CN212845796U true CN212845796U (en) | 2021-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447747A (en) * | 2021-06-29 | 2021-09-28 | 攀钢集团攀枝花钢钒有限公司 | Soft start system fault solving method in waste heat boiler circulating fan system |
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2020
- 2020-03-18 CN CN202020341489.XU patent/CN212845796U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447747A (en) * | 2021-06-29 | 2021-09-28 | 攀钢集团攀枝花钢钒有限公司 | Soft start system fault solving method in waste heat boiler circulating fan system |
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