CN210297237U - Motor power supply adjusting controller - Google Patents
Motor power supply adjusting controller Download PDFInfo
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- CN210297237U CN210297237U CN201921747089.2U CN201921747089U CN210297237U CN 210297237 U CN210297237 U CN 210297237U CN 201921747089 U CN201921747089 U CN 201921747089U CN 210297237 U CN210297237 U CN 210297237U
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Abstract
The utility model belongs to the technical field of motor protection equipment, especially, be a motor power supply regulation controller, including MCU main control unit, motor power detection circuitry, filter circuit, power signal amplifier circuit, temperature acquisition unit, input unit, RS485 network communication unit, output unit, remote alarm unit, overvoltage crowbar, supply voltage regulating circuit and power factor compensating circuit. The utility model discloses a detect the back through the current-voltage signal of motor power supply detection circuitry to motor power, through the design that increases filter circuit and power signal amplifier circuit, on the one hand can be with the clutter filtering that does not want in the power signal, strengthen power signal simultaneously, thereby the accuracy of power signal transmission has been guaranteed, after MCU main control unit received power signal, can judge the accuracy, thereby send corresponding control command, the accuracy and the stability of motor power regulation controller work have been ensured.
Description
Technical Field
The utility model relates to a motor protection equipment technical field specifically is a motor power supply adjustment controller.
Background
The electric machine is one of the key devices of the electric power system, and its operating state has a great influence on the reliability of the electric power system. The current electric measuring instrument measures parameters such as current and voltage of the motor, and performs power-off protection when the load of the motor is overloaded or a power supply is abnormal, so that the electric energy utilization rate is reduced, and the power consumption is increased.
For example, patent No. (CN204334410U) discloses a motor power supply regulation controller, which detects the working power supply of a motor in real time, and when the working voltage is higher than the rated working voltage of the motor, regulates the working voltage to a reasonable interval, effectively protects the motor and reduces the power consumption of the motor; after the power factor that detects the motor is less than the setting value, carry out the compensation of power factor automatically, the electric energy efficiency has been improved, the consumption is reduced, but this patent directly detects and transmits the data transmission unit through the electrical machinery power detection circuitry power signal of motor, because the equipment in the electric power system is total many, therefore receive the influence easily in the power detection signal transmission process, cause signal transmission inaccurate, cause the error to appear in the use and easily cause the trouble, when motor voltage is too high, it has certain potential safety hazard directly to adjust through mains voltage regulation sampling circuit, this patent lacks protection machanism, therefore the security is lower.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a motor power supply adjusts controller has solved the problem of proposing in the above-mentioned background art.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a motor power supply regulation controller, includes MCU main control unit, motor power detection circuitry, filter circuit, power signal amplifier circuit, temperature acquisition unit, input unit, RS485 network communication unit, output unit, remote alarm unit, overvoltage crowbar, power supply voltage regulating circuit and power factor compensating circuit, motor power detection circuitry, filter circuit and power signal amplifier circuit electric combination in proper order form motor power signal detection circuitry, power signal amplifier circuit and MCU main control unit electric combination, temperature acquisition unit, input unit, RS485 network communication unit, output unit, remote alarm unit, overvoltage crowbar and power factor compensating circuit all combine with MCU main control unit electric combination, overvoltage crowbar and power supply voltage regulating circuit electric combination.
As an optimized technical solution of the present invention, the input unit is a control keyboard.
As a preferred technical scheme of the utility model, output unit includes liquid crystal display and status indicator lamp.
As an optimal technical scheme of the utility model, still include audible and visual alarm unit, audible and visual alarm unit and MCU main control unit electric combination.
As a preferred technical scheme of the utility model, the two-way electric connection of MCU main control unit and RS485 network communication unit, the two-way electric connection of RS485 network communication unit has the RS485 host computer.
(III) advantageous effects
Compared with the prior art, the utility model provides a motor power supply adjusts controller possesses following beneficial effect:
1. this motor power supply regulation controller detects the back through the current-voltage signal of motor power supply detection circuitry, through the design that increases filter circuit and power signal amplifier circuit, on the one hand can be with unnecessary clutter filtering in the power signal, strengthen power signal simultaneously, thereby the accuracy of power signal transmission has been guaranteed, after MCU main control unit received power signal, can judge the accuracy, thereby send corresponding control command, the accuracy and the stability of motor power supply regulation controller work have been ensured.
2. This motor power supply adjustment controller, through setting up the overvoltage crowbar, when motor load, the overvoltage crowbar has at first played the protection work, ensure the security of motor, then through supply voltage regulating circuit with motor voltage adjustment reasonable region, such regulation mode security is better, utilize the temperature acquisition unit to gather and give MCU the main control unit to the temperature of motor simultaneously, when the temperature surpassed and set for the threshold value, carry out alarm processing through remote alarm unit, can in time make the counter measure.
Drawings
Fig. 1 is a block diagram of the present invention.
In the figure: 1. the MCU main control unit; 2. a motor power supply detection circuit; 3. a filter circuit; 4. a power supply signal amplifying circuit; 5. a temperature acquisition unit; 6. an input unit; 7. an RS485 network communication unit; 8. an output unit; 9. a remote alarm unit; 10. an overvoltage protection circuit; 11. a power supply voltage regulating circuit; 12. a power factor compensation circuit; 13. an audible and visual alarm unit; 14. and an RS485 upper computer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1, the present invention provides the following technical solutions: a motor power supply adjusting controller comprises an MCU main control unit 1, a motor power supply detection circuit 2, a filter circuit 3, a power supply signal amplification circuit 4, a temperature acquisition unit 5, an input unit 6, an RS485 network communication unit 7, an output unit 8 and a remote alarm unit 9, overvoltage crowbar 10, mains voltage regulating circuit 11 and mains power factor compensating circuit 12, motor power detection circuitry 2, filter circuit 3 and mains signal amplifier circuit 4 electric combination form motor power signal detection circuitry in proper order, mains signal amplifier circuit 4 and MCU main control unit 1 electric combination, temperature acquisition unit 5, input unit 6, RS485 network communication unit 7, output unit 8, remote alarm unit 9, overvoltage crowbar 10 and mains power factor compensating circuit 12 all combine with MCU main control unit 1 electric combination, overvoltage crowbar 10 and mains voltage regulating circuit 11 electric combination.
In the embodiment, the working state of the motor is detected by the motor power supply detection circuit 2, the current and voltage signals of the detected power supply are transmitted to the filter circuit 3, accurate current and voltage signals can be obtained by the filter circuit 3, and then the filtered current and voltage signals are transmitted to the power supply signal amplification circuit 4 for enhancement processing, so that when the current and voltage signals are transmitted to the MCU main control unit 1, the accuracy is high, therefore, the MCU main control unit 1 can make accurate judgment and send instructions according to the current and voltage signals, when the working voltage of the motor exceeds the rated voltage, the MCU main control unit 1 controls the overvoltage protection circuit 10 to work, firstly, the protection effect is played, then the power supply voltage regulation circuit 11 starts working, the voltage of the motor is maintained within the rated voltage, when the working voltage of the motor is lower than the rated voltage, the MCU main control unit 1 controls the power supply factor compensation circuit 12 to work, the power factor compensation circuit 12 compensates the power factor of the motor, so as to improve the utilization efficiency of electric energy and achieve the purpose of energy conservation; meanwhile, the input unit 6 can adjust some parameter settings of the MCU main control unit 1, thereby improving the applicability of the utility model; can carry out real-time detection to the temperature of motor through temperature acquisition unit 5, when the motor causes the temperature to rise sharply because the load, because temperature acquisition unit 5 detects the motor temperature and transmits for MCU main control unit 1, consequently through the work of MCU main control unit 1 control remote alarm unit 9, in time report to the police to avoid taking place serious accident.
Specifically, the input unit 6 is a control keyboard.
In this embodiment, some parameters of the MCU main control unit 1 may be modified by manipulating the keyboard.
Specifically, the output unit 8 includes a liquid crystal display and a status indicator lamp.
In this embodiment, liquid crystal display is used for showing the relevant parameter of motor power to the operating condition of motor is conveniently in time observed, and whether the status indicator lamp is in order to show operating condition and break down, makes things convenient for people to observe.
Specifically, the MCU control system further comprises an audible and visual alarm unit 13, wherein the audible and visual alarm unit 13 is electrically combined with the MCU main control unit 1.
In this embodiment, when the temperature is too high, in order to ensure the safety, the sound and light alarm unit 13 sends out an alarm sound near the motor and flashes light, thereby playing a role of warning and improving the safety of people around the motor.
Specifically, the MCU main control unit 1 is electrically connected with the RS485 network communication unit 7 in a bidirectional mode, and the RS485 network communication unit 7 is electrically connected with the RS485 upper computer 14 in a bidirectional mode.
In this embodiment, MCU main control unit 1 carries out the electric property combination through RS485 network communication unit 7 and RS485 host computer 14, and MCU main control unit 1 can in time give RS485 host computer 14 with motor power supply parameter and temperature through RS485 network communication unit 7 transmission, has guaranteed to control in real time motor running state, conveniently makes corresponding measure.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A motor power supply regulation controller which characterized in that: the device comprises an MCU (microprogrammed control Unit) main control unit (1), a motor power supply detection circuit (2), a filter circuit (3), a power supply signal amplification circuit (4), a temperature acquisition unit (5), an input unit (6), an RS485 network communication unit (7), an output unit (8), a remote alarm unit (9), an overvoltage protection circuit (10), a power supply voltage regulation circuit (11) and a power supply power factor compensation circuit (12), wherein the motor power supply detection circuit (2), the filter circuit (3) and the power supply signal amplification circuit (4) are electrically combined in sequence to form the motor power supply signal detection circuit, the power supply signal amplification circuit (4) and the MCU main control unit (1) are electrically combined, and the temperature acquisition unit (5), the input unit (6), the RS485 network communication unit (7), the output unit (8), the remote alarm unit (9), the overvoltage protection circuit (10) and the power supply power factor compensation circuit (12) are electrically combined with the MCU main control unit (1) And in combination, the overvoltage protection circuit (10) and the power supply voltage regulating circuit (11) are electrically combined.
2. A motor power conditioning controller as claimed in claim 1, wherein: the input unit (6) is a control keyboard.
3. A motor power conditioning controller as claimed in claim 1, wherein: the output unit (8) comprises a liquid crystal display screen and a status indicator lamp.
4. A motor power conditioning controller as claimed in claim 1, wherein: the MCU control system is characterized by further comprising an acousto-optic alarm unit (13), wherein the acousto-optic alarm unit (13) is electrically combined with the MCU main control unit (1).
5. A motor power conditioning controller as claimed in claim 1, wherein: the MCU master control unit (1) is electrically connected with the RS485 network communication unit (7) in a bidirectional mode, and the RS485 network communication unit (7) is electrically connected with the RS485 upper computer (14) in a bidirectional mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921747089.2U CN210297237U (en) | 2019-10-17 | 2019-10-17 | Motor power supply adjusting controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921747089.2U CN210297237U (en) | 2019-10-17 | 2019-10-17 | Motor power supply adjusting controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210297237U true CN210297237U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921747089.2U Active CN210297237U (en) | 2019-10-17 | 2019-10-17 | Motor power supply adjusting controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210297237U (en) |
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2019
- 2019-10-17 CN CN201921747089.2U patent/CN210297237U/en active Active
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