CN109991904B - Voltage regulating circuit with self-protection function and control system thereof - Google Patents
Voltage regulating circuit with self-protection function and control system thereof Download PDFInfo
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- CN109991904B CN109991904B CN201910295465.7A CN201910295465A CN109991904B CN 109991904 B CN109991904 B CN 109991904B CN 201910295465 A CN201910295465 A CN 201910295465A CN 109991904 B CN109991904 B CN 109991904B
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- 230000001105 regulatory effect Effects 0.000 title abstract description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 122
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 122
- 239000010703 silicon Substances 0.000 claims abstract description 122
- 238000001514 detection method Methods 0.000 claims abstract description 92
- 238000004891 communication Methods 0.000 claims abstract description 24
- 238000003780 insertion Methods 0.000 claims abstract description 14
- 230000037431 insertion Effects 0.000 claims abstract description 14
- 230000033228 biological regulation Effects 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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- 238000005406 washing Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Abstract
The invention relates to a voltage regulating circuit, in particular to a voltage regulating circuit with self protection and a control system thereof, which are composed of a rectifying unit 2 connected with an alternating current input end and providing an alternating current zero crossing signal to a zero crossing detection unit, a linear voltage stabilizing unit supplying power to the zero crossing detection unit, a power detection unit, a micro control unit, a communication unit, an insertion detection unit, a temperature detection unit 1, a silicon controlled driving unit and the temperature detection unit 2, when the power of external electronic equipment exceeds the bearable power of the silicon controlled driving unit, or the temperature exceeds the bearing range of the silicon controlled rectifier driving unit, and the silicon controlled rectifier is switched to a relay for power supply, the self-protection voltage regulating circuit and the control system thereof operate the closing of the silicon controlled rectifier by the control end and the micro control unit, thereby avoiding the device from being burnt out by directly inserting the silicon controlled rectifier into equipment exceeding the power, and monitoring the silicon controlled rectifier in real time to avoid the damage caused by overhigh temperature.
Description
Technical Field
The invention relates to a voltage regulating circuit, in particular to a voltage regulating circuit with self-protection and a control system thereof.
Background
Along with the development of scientific and technological technology, the application of household appliance intellectualization is more and more extensive, such as intelligent lamp, intelligent fan, intelligent air conditioner, intelligent washing machine, intelligent television and the like are widely entered into the lives of people, but still a large amount of traditional equipment such as fan, lamp, electric heater and the like can not realize intelligent control, and can not realize linkage control with the whole intelligent system, if the stock equipment is scrapped, the purchase of new intelligent equipment is unrealistic, the scrapping of the stock equipment can directly bring pressure to a recycling processing mechanism, the final processing can also bring pollution to the environment, the waste of money is realized, the purchase of new intelligent equipment is also a little expense, if each equipment is updated, a large amount of money is required, the existing intelligent socket generally adopts a high-power relay as a switch, and can provide intelligent switch control for high-power electric appliances, however, only switch control can be provided, voltage regulation cannot be realized, or low-power silicon controlled rectifiers are adopted to provide brightness regulation, fan wind speed regulation, motor speed regulation, electric pad temperature regulation and the like for an electric appliance, but high-power silicon controlled rectifiers cannot be installed due to the limitation of the volume of equipment, and the silicon controlled rectifiers can be burnt out in case that a user carelessly inserts equipment exceeding the rated power.
Disclosure of Invention
The invention aims to provide a voltage regulating circuit with self protection and a control system thereof, wherein a micro control unit controls a power detection unit to detect whether an external device meets the output power range of a silicon controlled rectifier or not, the temperature of the silicon controlled rectifier and a relay is detected, a communication unit transmits information to a control end through a cloud end, the control end and the micro control unit operate the closing of the silicon controlled rectifier, the direct insertion of the silicon controlled rectifier into a device with power exceeding is avoided, and the silicon controlled rectifier is monitored in real time to avoid damage caused by overhigh temperature.
In order to achieve the purpose, the invention provides a voltage regulating circuit with self protection and a control system thereof, which are composed of an alternating current input end, an alternating current output end, a first rectifying unit, a second rectifying unit, a power supply voltage reducing unit, a linear voltage stabilizing unit, a zero-crossing detecting unit, a power detecting unit, a micro-control unit, a communication unit, a user control end, a cloud data end, an insertion detecting unit, a relay driving unit, a first temperature detecting unit, a second temperature detecting unit and a silicon controlled rectifier driving unit;
the alternating current input end is the power input end of the circuit and comprises a zero line N, a live line L and a ground wire G;
the alternating current output end is the power supply output end of the circuit and comprises a zero line N, a live line L and a ground wire G;
the ground wire G of the alternating current input end is directly connected to the ground wire G of the alternating current input end;
the first rectifying unit is connected with a zero line N and a live line L of the alternating current input end for supplying power and supplies power to the power voltage reduction unit;
the second rectifying unit is connected with the alternating current input end and provides an alternating current zero-crossing signal for the zero-crossing detecting unit;
the power supply voltage reduction unit respectively supplies power to the linear voltage stabilization unit and the relay driving unit;
the linear voltage stabilizing unit supplies power to the zero-crossing detection unit, the power detection unit, the micro control unit, the communication unit, the insertion detection unit, the first temperature detection unit, the silicon controlled rectifier driving unit and the second temperature detection unit;
the zero-crossing detection unit isolates the high-voltage signal, converts the detected zero-crossing signal into a low-voltage digital signal and sends the low-voltage digital signal to the micro control unit;
the power detection unit proportionally attenuates the alternating current input voltage into a low-voltage signal, recalculates the low-voltage signal in the power detection unit and restores the original voltage; detecting and calculating the current flowing from the alternating current input end to the alternating current output end; calculating the voltage and current data to obtain complete power data; transmitting the voltage, current and complete power data to the micro control unit;
the insertion detection unit detects the information of the external electronic equipment inserted into or pulled out of the device and sends the inserted or pulled information to the micro control unit;
the communication unit sends the data information collected by the micro control unit to the user control end, or sends the data information to the cloud data end and forwards the data information to the user control end, and meanwhile, an instruction signal of the user control end is sent back to the micro control unit, or is uploaded to the cloud data end and then is forwarded to the micro control unit;
the relay driving unit executes the instruction signal sent by the micro control unit and controls the switch of the alternating current output end;
the first temperature detection unit detects the temperature of the relay driving unit and transmits temperature data information back to the micro control unit;
the silicon controlled rectifier driving unit executes the signal sent by the micro control unit and adjusts the voltage of the alternating current output end according to the signal instruction;
the second temperature detection unit detects the temperature of the silicon controlled drive unit and transmits temperature data information back to the micro control unit;
inserting detection, power detection, zero-crossing detection and temperature detection, wherein detected data are collected to a micro control unit to be synchronized with a user control end and a cloud data end;
when the power of the external electronic equipment exceeds the bearable power of the silicon controlled drive unit or the temperature exceeds the bearable range of the silicon controlled drive unit, switching to a relay for power supply;
when the power of the external electronic equipment exceeds the bearable power of the relay driving unit or the temperature exceeds the bearable range of the relay driving unit, the device is automatically closed, and the power supply is not transmitted to the outside.
Further illustrating the micro control unit workflow:
after receiving the insertion of the external electronic equipment into the insertion detection unit, the micro control unit sends a signal to a user control end or a cloud data end through the communication unit;
the micro control unit judges whether the relay driving unit needs to be automatically started or not, when the first temperature detection unit does not exceed the working range of the relay driving unit, the relay driving unit is started, and a feedback signal of a user control end or a cloud data end is waited under the condition that the first temperature detection unit does not meet the requirement;
the micro control unit judges whether the silicon controlled drive unit needs to be automatically started or not, when the second temperature detection unit does not exceed the working range of the silicon controlled drive unit, the silicon controlled drive unit is started, synchronous calculation is carried out according to the zero-crossing signal, the silicon controlled is controlled to be correctly output, and a feedback signal of a user control end or a cloud data end is waited under the condition that the requirement is not met;
the micro control unit controls that when the temperature of the second temperature detection unit exceeds the working range of the silicon controlled drive unit during the working period of the silicon controlled drive unit, the relay drive unit is switched to supply power, and information is sent to a user control end or a cloud data end; or the user control end feeds back a signal to cut off the power supply of the silicon controlled drive unit;
the micro control unit controls that when the voltage, the current or the power exceeds the working range of the silicon controlled drive unit during the working period of the silicon controlled drive unit, the relay drive unit is switched to supply power, and simultaneously, a signal is sent to a user control end or a cloud data end, or the silicon controlled drive unit is disconnected to supply power according to the requirement of the user control end;
the micro control unit controls the silicon controlled drive unit to be powered off when the external electronic equipment is found to be pulled out during the working period of the silicon controlled drive unit, and simultaneously sends a signal to a user control end or a cloud data end or continuously supplies power to the silicon controlled drive unit according to the requirement of the user control end;
the micro control unit controls the relay driving unit to be powered off and send a signal to a user control end or a cloud data end when the temperature of the second temperature detection unit is found to exceed the range of the relay driving unit;
the micro control unit controls that when the working period of the relay driving unit finds that the voltage, the current or the power exceeds the working range of the silicon controlled rectifier driving unit, the relay driving unit is turned off to supply power, and meanwhile, a signal is sent to a user control end or a cloud data end;
the micro control unit controls the relay driving unit to be powered off when the external electronic equipment is found to be pulled out during the working period of the relay driving unit, and simultaneously sends a signal to a user control end or a cloud data end or continues to supply power to the relay driving unit according to the requirement of the user control end;
the micro control unit is switched to the relay driving unit to supply power according to the requirements of a user control end or a cloud data end during the working period of the silicon controlled driving unit;
when the temperature of the second temperature detection unit is within the working range of the silicon controlled drive unit and the voltage, the current and the power are within the working range of the silicon controlled drive unit, the micro control unit is switched to the silicon controlled drive unit to supply power according to the requirements of a user control end or a cloud data end during the working period of the relay drive unit, so that the external electronic equipment is adjusted.
Further explaining the signal control flow of the micro control unit:
the micro control unit receives the information sent by the insertion detection unit, and when no external equipment is inserted, the micro control unit sends the information to the user control end or the cloud data end through the communication unit and then waits for an instruction of the user control end or the cloud data end;
the micro control unit receives a signal inserted by external electronic equipment, reads data stored in the micro control unit, and judges whether the relay driving unit needs to be started to supply power or not;
when the relay driving unit needs to be started to supply power, according to the temperature state fed back by the first temperature detection unit, the temperature state is compared with the relay working temperature requirement of the internal storage data, a signal is sent to a user control end or a cloud data end when the temperature state does not meet the requirement, the relay driving unit is started when the requirement is met, and the silicon controlled rectifier driving unit is stopped to supply power;
during the working period of the relay driving unit, the first temperature detection unit continuously detects the relay driving unit;
during the working period of the relay driving unit, the power detection unit continuously detects the power supply system;
after the temperature, the voltage or the current or the power are compared with the internal stored data, the working requirements of the relay driving unit are not met, the power supply of the relay driving unit is closed, and then a signal is sent to a user control end or a cloud data end;
after the temperature, the voltage or the current or the power are compared with the internal stored data, the working requirement of the relay driving unit is met, and the relay driving unit continuously supplies power;
the micro control unit receives a signal inserted by external electronic equipment, reads data stored in the micro control unit, and judges whether the relay driving unit needs to be started to supply power or not;
if the power supply of the relay driving unit is not needed to be started, judging whether the power supply of the silicon controlled driving unit is started or not;
the silicon controlled drive unit is not required to be started for power supply, and then a signal is sent to a user control end or a cloud data end;
when the silicon controlled drive unit needs to be started to supply power, the micro control unit reads the working temperature requirement of the internal silicon controlled drive unit, compares the working temperature requirement with the temperature sent by the second temperature detection unit, if the working temperature requirement is not met, sends information to a user control end or a cloud data end, if the working temperature requirement is met, and calculates according to the data sent by the synchronous detection unit;
the micro control unit starts the silicon controlled driving unit to supply power and adjust, and closes the relay driving unit to supply power;
during the working period of the silicon controlled drive unit, the second temperature detection unit continuously detects the working temperature of the silicon controlled drive unit;
during the working period of the silicon controlled drive unit, the power detection unit continuously detects the voltage, the current and the power of the power supply system;
the micro control unit reads internal storage data and judges whether the temperature, the voltage, the current and the power meet the working requirements of the silicon controlled drive unit or not;
when the requirement is met, the silicon controlled drive unit continuously supplies power;
the non-conforming micro control unit reads the internal storage instruction and judges whether to switch to the relay driving unit for supplying power;
when the micro control unit closes the power supply of the silicon controlled drive unit, sending information to a user control end or a cloud data end;
the micro control unit reads the internal storage data, judges whether to switch to the relay driving unit for power supply, and starts the relay driving unit for power supply if the relay driving unit is started for power supply;
after the information is sent to the user control end or the cloud data end, the circuit waits for the instruction of the user control end or the cloud data end.
Further explaining an input instruction of a user control end or a cloud data end:
the relay driving unit is started to supply power by inputting an instruction, and the micro control unit receives the instruction from the communication unit; according to the temperature data fed back by the first temperature detection unit, comparing the temperature data with the relay working temperature requirement of the internal storage data, when the temperature data do not meet the requirement, sending information to a user control end or a cloud data end, and when the temperature data meet the requirement, starting a relay driving unit to supply power and closing a silicon controlled rectifier driving unit to supply power;
during the working period of the relay driving unit, the first temperature detection unit continuously detects the relay driving unit;
during the working period of the relay driving unit, the power detection unit continuously detects the power supply system;
after the temperature, the voltage, the current or the power are compared with the internal stored data, the working requirement of the relay driving unit is not met, the power supply of the relay driving unit is closed, and then information is sent to a user control end or a cloud data end;
after the temperature, the voltage, the current or the power are compared with the internal stored data, the working requirements of the relay driving unit are met, and the relay driving unit continuously supplies power;
the relay driving unit is powered off by inputting an instruction, and the micro control unit receives the instruction from the communication unit; the relay driving unit is turned off to supply power, and then information for turning off the relay driving unit is sent to a user control end or a cloud data end;
inputting an instruction to start the silicon controlled drive unit to supply power and adjust, and receiving the instruction from the communication unit by the micro control unit; the silicon controlled drive unit is started to supply power, and the micro control unit reads the operating temperature requirement of the silicon controlled drive unit with data stored inside and compares the operating temperature requirement with the temperature data sent by the second temperature detection unit; when the information is not required to be sent to the user control end or the cloud data end, the micro control unit calculates according to the data synchronously sent by the zero-crossing detection unit when the information is required to be sent;
during the working period of the silicon controlled drive unit, the second temperature detection unit continuously detects the working temperature of the silicon controlled drive unit;
during the working period of the silicon controlled drive unit, the power detection unit continuously detects the voltage, the current and the power of the power supply system;
the micro control unit reads internal storage data and judges whether the temperature, the voltage, the current and the power meet the working requirements of the silicon controlled drive unit or not; when the thyristor driving unit is in accordance with the continuous power supply, and when the thyristor driving unit is not in accordance with the reading of the internal storage data by the micro control unit, whether the power supply is switched to the relay driving unit is judged;
the micro control unit turns off the power supply of the silicon controlled drive unit, sends information to a user control end or a cloud data end, reads internal storage data, judges whether to switch to the power supply of the relay drive unit, and starts the power supply of the relay drive unit when the internal storage data are consistent with the power supply of the relay drive unit;
the micro control unit receives the instruction from the communication unit; the power supply of the silicon controlled drive unit is turned off, and information is sent to a user control end or a cloud data end; after sending the information to the user side or the cloud side, the circuit waits for the instruction of the user side or the cloud side.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic diagram of the circuit connection of the present invention.
FIG. 2 is a flow chart and control diagram of the present invention.
In fig. 1: the intelligent power supply comprises an alternating current input end 1, an alternating current output end 2, a first rectifying unit 3, a second rectifying unit 4, a power supply voltage reduction unit 5, a linear voltage stabilization unit 6, a zero-crossing detection unit 7, a power detection unit 8, a micro control unit 9, a communication unit 10, a user control end 11, a cloud data end 12, an insertion detection unit 13, a relay driving unit 14, a first temperature detection unit 15, a second temperature detection unit 16 and a silicon controlled rectifier driving unit 17.
Detailed Description
The invention relates to a voltage regulating circuit with self protection and a control system thereof, which consists of an alternating current input end 1, an alternating current output end 2, a first rectifying unit 3, a second rectifying unit 4, a power supply voltage reducing unit 5, a linear voltage stabilizing unit 6, a zero-crossing detecting unit 7, a power detecting unit 8, a micro control unit 9, a communication unit 10, a user control end 11, a cloud data end 12, an insertion detecting unit 13, a relay driving unit 14, a first temperature detecting unit 15, a second temperature detecting unit 16 and a silicon controlled rectifier driving unit 17, wherein the first rectifying unit 3 is connected with a zero line N and a live line L of the alternating current input end 1 for supplying power to the power supply voltage reducing unit 5, the second rectifying unit 4 is connected with the alternating current input end 1 for supplying an alternating current zero-crossing signal to the zero-crossing detecting unit 7, the power supply voltage reducing unit 5 is respectively used for supplying power to the linear voltage stabilizing unit 6 and the relay driving unit 14 for driving power supply, the linear voltage stabilizing unit 6 supplies power to the zero-crossing detecting unit 7, the power detecting unit 8, the micro control unit 9, the communication unit 10, the plug-in detecting unit 13, the first temperature detecting unit 15, the thyristor driving unit 17 and the second temperature detecting unit 16, the linear voltage stabilizing unit 6 supplies power to each detecting unit, the power supply voltage reducing unit 5 supplies power to the linear voltage stabilizing unit 6 and the relay driving unit 14 respectively, the zero-crossing detecting unit 7 isolates high-voltage signals, detected zero-crossing signals are converted into low-voltage digital signals and sent to the micro control unit 9, the power detecting unit 8 attenuates alternating current input voltage into low-voltage signals in proportion, and the alternating current input voltage is recalculated in the power detecting unit 8 to restore the original voltage; detecting and calculating the current flowing from an alternating current input end 1 to an alternating current output end 2; calculating voltage and current data to obtain complete power data; transmitting voltage, current and complete power data to a micro control unit 9, an insertion detection unit 13 detecting information of an external electronic device inserted into or pulled out from the device, transmitting the inserted or pulled information to the micro control unit 9, a communication unit 10 transmitting data information collected by the micro control unit 9 to a user control end 11, or transmitting the data information to a cloud data end 12 and then forwarding the data information to the user control end 11, and simultaneously transmitting a command signal of the user control end 11 back to the micro control unit 9, or uploading the data information to the cloud data end 12 and then forwarding the data information to the micro control unit 9, the communication unit 10 can be a data transmission device such as a wireless transmitter WIFI and Bluetooth, the user control end 11 can be a control device such as a mobile phone and a computer, a relay drive unit 14 executing the command signal transmitted by the micro control unit 9 to control the on/off of an alternating current output end 2, and outputting an output current to the micro control unit 9 through the relay drive unit 14 to control the micro control unit, the first temperature detecting unit 15 detects the temperature of the relay driving unit 14, the temperature data information is transmitted back to the micro control unit 9, the silicon controlled driving unit 17 executes the signal sent by the micro control unit 9, the voltage of the alternating current output end 2 is adjusted according to the signal instruction, the second temperature detecting unit 16 detects the temperature of the silicon controlled driving unit 17, the temperature data information is transmitted back to the micro control unit 9, the inserting detection, the power detection, the zero crossing detection and the temperature detection are carried out, the detected data are collected to the micro control unit 9 to be synchronous with the user control end 11 and the cloud data end 12, when the power of the external electronic equipment exceeds the bearable power of the silicon controlled driving unit 17 or the temperature exceeds the bearing range of the silicon controlled driving unit 17, the relay is switched to supply power, when the power of the external electronic equipment exceeds the bearable power of the relay driving unit 14 or the temperature exceeds the bearing range of the relay driving unit 14, the automatic closing device does not transmit power to the outside, when an external electronic device is inserted into the insertion detection unit 13, a detection signal is transmitted to the micro control unit 9, the micro control unit 9 sends an instruction to enable the power detection unit 8 to judge whether the external electronic device meets the voltage within the range borne by the silicon controlled drive unit 17, the external electronic device is switched into the silicon controlled drive unit 17 for power supply if the external electronic device meets the voltage, if the voltage is too high, the micro control unit 9 is automatically switched into the relay drive unit 14 to avoid burning out the silicon controlled drive unit 17, the first temperature detection unit 15 and the second temperature detection unit 16 respectively detect the temperatures of the relay drive unit 14 and the silicon controlled drive unit 17 in the power supply maintaining process, the relay drive unit 14 and the silicon controlled drive unit 17 are prevented from being burnt out due to overhigh temperature caused by weather overheating or other unstable factors, the communication unit 10 transmits the arranged detection data to the user control end 11 and the cloud data end 12, the user control end 11 can switch the power supply paths of the relay drive unit 14 and the silicon controlled drive unit 17 under the condition that external electronic equipment is connected, the user control end 11 can freely adjust the voltage frequency of the silicon controlled drive unit 17 to achieve remote control of the output power of external electronic equipment, when electronic equipment such as a lamp and the like is connected to meet the output power of the silicon controlled drive unit 17, the user control end 11 controls the output power to adjust the brightness of the lamp to achieve the purpose of energy saving, the user control end 11 can also directly switch to the relay drive unit 14 to supply power, and the power supply of the relay drive unit 14 and the silicon controlled drive unit 17 can be remotely turned off.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the present invention, and all equivalent controls or modifications made according to the spirit of the main technical scheme of the present invention should be covered in the scope of the present invention.
Claims (1)
1. The utility model provides a take self preservation to protect voltage regulation control system, the constitution is alternating current input end (1), alternating current output end (2), first rectifier unit (3), second rectifier unit (4), power step-down unit (5), linear voltage regulation unit (6), zero cross detection unit (7), power detecting element (8), little the control unit (9), communication unit (10), user control end (11), cloud data end (12), insert detecting element (13), relay drive unit (14), first temperature detecting element (15), second temperature detecting element (16), silicon controlled rectifier drive unit (17), its characterized in that: the zero-crossing detection unit (7) isolates the high-voltage signal, converts the detected zero-crossing signal into a low-voltage digital signal and sends the low-voltage digital signal to the micro control unit (9);
the power detection unit (8) attenuates the alternating current input voltage into a low-voltage signal in proportion, and recalculates the low-voltage signal in the power detection unit (8) to recover the original voltage; detecting and calculating the current flowing from the alternating current input end (1) to the alternating current output end (2); calculating the voltage and current data to obtain complete power data; transmitting the voltage, current and complete power data to a micro control unit (9);
the insertion detection unit (13) detects the information of the external electronic equipment inserted into or pulled out of the device and sends the inserted or pulled out information to the micro control unit (9);
the communication unit (10) sends the data information collected by the micro control unit (9) to the user control terminal (11), or sends the data information to the cloud data terminal (12) and forwards the data information to the user control terminal (11), and meanwhile, an instruction signal of the user control terminal (11) is sent back to the micro control unit (9), or is uploaded to the cloud data terminal (12) and then is forwarded to the micro control unit (9);
the relay driving unit (14) executes the instruction signal sent by the micro control unit (9) to control the on-off of the alternating current output end (2);
the first temperature detection unit (15) detects the temperature of the relay drive unit (14) and transmits temperature data information back to the micro control unit (9);
the silicon controlled drive unit (17) executes the signal sent by the micro control unit (9) and adjusts the voltage of the alternating current output end (2) according to the signal instruction;
the second temperature detection unit (16) detects the temperature of the silicon controlled drive unit (17) and transmits temperature data information back to the micro control unit (9);
inserting detection, power detection, zero-crossing detection and temperature detection, wherein detected data are collected to a micro control unit (9) to be synchronized with a user control end (11) and a cloud data end (12);
when the power of the external electronic equipment exceeds the bearable power of the silicon controlled drive unit (17), or the temperature exceeds the bearing range of the silicon controlled drive unit (17), switching to a relay for power supply;
when the power of the external electronic equipment exceeds the bearable power of the relay driving unit (14), or the temperature exceeds the bearing range of the relay driving unit (14), the device is automatically closed, and a power supply is not transmitted to the outside;
the micro control unit (9) judges whether the relay driving unit (14) needs to be automatically started or not, when the first temperature detection unit (15) does not exceed the working range of the relay driving unit (14), the relay driving unit (14) is started, and a feedback signal of the user control end (11) or the cloud data end (12) is waited for under the condition that the first temperature detection unit (15) does not meet the requirement;
the micro control unit (9) judges whether the silicon controlled driving unit (17) needs to be automatically started or not, when the second temperature detection unit (16) does not exceed the working range of the silicon controlled driving unit (17), the silicon controlled driving unit (17) is started, synchronous calculation is carried out according to the zero-crossing signal, the silicon controlled is controlled to be correctly output, and a feedback signal of a user control end (11) or a cloud data end (12) is waited under the condition that the requirement is not met;
the micro control unit (9) controls the operation period of the silicon controlled driving unit (17), and when the temperature of the second temperature detection unit (16) is found to exceed the working range of the silicon controlled driving unit (17), the relay driving unit (14) is switched to supply power, and information is sent to the user control end (11) or the cloud data end (12) at the same time; or the user control end (11) feeds back a signal to cut off the power supply of the silicon controlled drive unit (17);
the micro control unit (9) controls the power supply of the relay driving unit (14) when the voltage, the current or the power exceeds the working range of the silicon controlled driving unit (17) during the working period of the silicon controlled driving unit (17), and simultaneously sends a signal to the user control end (11) or the cloud data end (12) or cuts off the power supply of the silicon controlled driving unit (17) according to the requirement of the user control end (11);
the micro control unit (9) controls the silicon controlled driving unit (17) to be powered off when the external electronic equipment is found to be pulled out during the working period of the silicon controlled driving unit (17), and simultaneously sends a signal to the user control end (11) or the cloud data end (12), or continuously supplies power to the silicon controlled driving unit (17) according to the requirement of the user control end (11);
the micro control unit (9) controls the relay driving unit (14) to turn off the power supply of the relay driving unit (14) when the temperature of the second temperature detection unit (16) is found to exceed the range of the relay driving unit (14), and sends a signal to the user control end (11) or the cloud data end (12);
the micro control unit (9) controls the relay driving unit (14) to be powered off when the working period of the relay driving unit (14) finds that the voltage, the current or the power exceeds the working range of the silicon controlled driving unit (17), and simultaneously sends a signal to a user control end (11) or a cloud data end (12);
the micro control unit (9) controls the relay driving unit (14) to be powered off when the external electronic equipment is found to be pulled out during the working period of the relay driving unit (14), and simultaneously sends a signal to the user control end (11) or the cloud data end (12), or the relay driving unit (14) is powered on continuously according to the requirement of the user control end (11);
the micro control unit (9) is switched to the relay driving unit (14) to supply power according to the requirements of a user control end (11) or a cloud data end (12) during the working period of the silicon controlled driving unit (17);
when the temperature of the second temperature detection unit (16) is within the working range of the silicon controlled drive unit (17) and the voltage, the current and the power are within the working range of the silicon controlled drive unit (17) during the working period of the relay drive unit (14), the micro control unit (9) is switched to the silicon controlled drive unit (17) to supply power according to the requirements of a user control end (11) or a cloud data end (12), so that the regulation of external electronic equipment is realized;
the micro control unit (9) receives the information sent by the insertion detection unit (13), when no external equipment is inserted, the micro control unit (9) sends the information to the user control end (11) or the cloud data end (12) through the communication unit (10), and then waits for an instruction of the user control end (11) or the cloud data end (12);
after the micro control unit (9) receives a signal inserted by external electronic equipment and reads internal storage data of the micro control unit (9), whether the relay driving unit (14) needs to be started for power supply is judged;
when the relay driving unit (14) needs to be started for power supply, according to the temperature state fed back by the first temperature detection unit (15), the temperature state is compared with the relay working temperature requirement of the internal storage data, a signal is sent to the user control end (11) or the cloud data end (12) when the temperature state does not meet the requirement, the relay driving unit (14) is started when the temperature state meets the requirement, and the silicon controlled rectifier driving unit (17) is closed for power supply;
during the working period of the relay driving unit (14), the first temperature detection unit (15) continuously detects the relay driving unit (14);
during the working period of the relay driving unit (14), the power detection unit (8) continuously detects the power supply system;
after the temperature, the voltage or the current or the power are compared with the internal stored data, the working requirement of the relay driving unit (14) is not met, the power supply of the relay driving unit (14) is closed, and then a signal is sent to a user control end (11) or a cloud data end (12);
after the temperature, the voltage or the current or the power are compared with the internal stored data, the working requirement of the relay driving unit (14) is met, and the relay driving unit (14) continuously supplies power;
the micro control unit (9) receives a signal inserted by external electronic equipment, reads internal storage data and judges whether the relay driving unit (14) needs to be started for supplying power or not;
if the relay driving unit (14) is not required to be started for power supply, whether the silicon controlled driving unit (17) is started for power supply is judged;
the power supply of the silicon controlled drive unit (17) is not required to be started, and then a signal is sent to a user control end (11) or a cloud data end (12);
when the silicon controlled drive unit (17) needs to be started for power supply, the micro control unit (9) reads the working temperature requirement of the internal silicon controlled drive unit (17), compares the working temperature requirement with the temperature sent by the second temperature detection unit (16), does not meet the requirement, sends information to the user control end (11) or the cloud data end (12), meets the requirement, and calculates according to the data sent by the synchronous detection unit by the micro control unit (9);
the micro control unit (9) starts the silicon controlled driving unit (17) to supply power and adjust, and closes the relay driving unit (14) to supply power;
during the working period of the silicon controlled drive unit (17), the second temperature detection unit (16) continuously detects the working temperature of the silicon controlled drive unit (17);
during the working period of the silicon controlled drive unit (17), the power detection unit (8) continuously detects the voltage, the current and the power of a power supply system;
the micro control unit (9) reads internal storage data and judges whether the temperature, the voltage, the current and the power meet the working requirements of the silicon controlled drive unit (17);
when the requirements are met, the silicon controlled drive unit (17) continuously supplies power;
the non-conforming micro control unit (9) reads the internal storage instruction and judges whether to switch to the relay driving unit (14) for supplying power;
when the micro control unit (9) closes the power supply of the silicon controlled driving unit (17), sending information to the user control end (11) or the cloud data end (12);
the micro control unit (9) reads the internal storage data, judges whether to switch to the relay driving unit (14) for power supply, and starts the relay driving unit (14) for power supply if the internal storage data is switched to the relay driving unit (14) for power supply;
after the information is sent to the user control end (11) or the cloud data end (12), the circuit waits for the instruction of the user control end (11) or the cloud data end (12);
an input instruction starts a relay driving unit (14) to supply power, and a micro control unit (9) receives an instruction from a communication unit (10); according to the temperature data fed back by the first temperature detection unit (15), comparing the temperature data with the relay working temperature requirement of internal storage data, when the temperature data do not meet the requirement, sending information to a user control end (11) or a cloud data end (12), and when the temperature data meet the requirement, starting a relay driving unit (14) to supply power, and closing a silicon controlled driving unit (17) to supply power;
during the working period of the relay driving unit (14), the first temperature detection unit (15) continuously detects the relay driving unit (14);
during the working period of the relay driving unit (14), the power detection unit (8) continuously detects the power supply system;
after the temperature, the voltage, the current or the power are compared with the internal stored data, the working requirement of the relay driving unit (14) is not met, the power supply of the relay driving unit (14) is closed, and then the information is sent to a user control end (11) or a cloud data end (12);
after the temperature, the voltage, the current or the power are compared with the internal stored data, the working requirements of the relay driving unit (14) are met, and the relay driving unit (14) continuously supplies power;
an instruction is input to close the power supply of the relay driving unit (14), and the micro control unit (9) receives the instruction from the communication unit (10); the power supply of the relay driving unit (14) is turned off, and then the information of turning off the relay driving unit (14) is sent to a user control end (11) or a cloud data end (12);
an instruction is input to start the silicon controlled drive unit (17) to supply power and regulate, and the micro control unit (9) receives an instruction from the communication unit (10); the silicon controlled drive unit (17) is started to supply power, the micro control unit (9) reads the working temperature requirement of the silicon controlled drive unit (17) with internal storage data, and the working temperature requirement is compared with the temperature data sent by the second temperature detection unit (16); when the information is not required to be sent to the user control end (11) or the cloud data end (12), the micro control unit (9) carries out calculation according to the data synchronously sent by the zero-crossing detection unit (7) when the information is required to be sent;
during the working period of the silicon controlled drive unit (17), the second temperature detection unit (16) continuously detects the working temperature of the silicon controlled drive unit (17);
during the working period of the silicon controlled drive unit (17), the power detection unit (8) continuously detects the voltage, the current and the power of a power supply system;
the micro control unit (9) reads internal storage data and judges whether the temperature, the voltage, the current and the power meet the working requirements of the silicon controlled drive unit (17); when the thyristor drive unit (17) is in line with the continuous power supply, when the micro control unit (9) is not in line with the continuous power supply, the internal storage data is read, and whether the power supply is switched to the relay drive unit (14) is judged;
the micro control unit (9) closes the power supply of the silicon controlled driving unit (17), sends information to the user control end (11) or the cloud data end (12), reads internal storage data, judges whether to switch to the relay driving unit (14) for power supply, and starts the relay driving unit (14) for power supply when the internal storage data are consistent with the requirement;
the silicon controlled drive unit (17) is instructed to supply power and regulate, and the micro control unit (9) receives an instruction from the communication unit (10); the power supply of the silicon controlled drive unit (17) is turned off, and information is sent to a user control end (11) or a cloud data end (12); after sending the information to the user side or the cloud side, the circuit waits for the instruction of the user side or the cloud side.
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| CN201910295465.7A CN109991904B (en) | 2019-04-12 | 2019-04-12 | Voltage regulating circuit with self-protection function and control system thereof |
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| CN201910295465.7A CN109991904B (en) | 2019-04-12 | 2019-04-12 | Voltage regulating circuit with self-protection function and control system thereof |
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| CN109991904B true CN109991904B (en) | 2022-07-12 |
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| CN201910295465.7A Expired - Fee Related CN109991904B (en) | 2019-04-12 | 2019-04-12 | Voltage regulating circuit with self-protection function and control system thereof |
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| CN201130231Y (en) * | 2007-11-30 | 2008-10-08 | 上海市电力公司超高压输变电公司 | Experimental device for high power silicon controlled as well as power electronic device |
| WO2016206048A1 (en) * | 2015-06-25 | 2016-12-29 | Abb 瑞士股份有限公司 | Single live wire electrical switch and method of detecting and controlling load property |
| CN206135412U (en) * | 2016-08-31 | 2017-04-26 | 广东新昇电业科技股份有限公司 | Control circuit that crush -cutting traded is treated to silicon controlled rectifier more |
| CN106658895A (en) * | 2016-11-15 | 2017-05-10 | 惠州市特仕科技有限公司 | Double-bypass large-power light modulation controller |
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| CN101539761A (en) * | 2009-04-10 | 2009-09-23 | 东莞市步步高家用电器有限公司 | Soymilk grinder control circuit for effectively reducing temperature rise |
| CN102998986A (en) * | 2012-06-12 | 2013-03-27 | 姚争辉 | Large-power intelligent quick compound switch for non-forced radiator |
| CN102846182A (en) * | 2012-09-05 | 2013-01-02 | 浙江苏泊尔家电制造有限公司 | Electric cooker and heating control method thereof |
| CN103743111B (en) * | 2013-12-17 | 2017-02-08 | 青岛吉之美商用设备有限公司 | Liquid heating device with adjustable power |
| CN205657669U (en) * | 2016-06-01 | 2016-10-19 | 深圳市云居时代科技开发有限公司 | General intelligent control switch who gets electricity with type list fire |
| CN206294402U (en) * | 2016-11-15 | 2017-06-30 | 惠州市特仕科技有限公司 | A kind of double bypass high-power dimming controllers |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130231Y (en) * | 2007-11-30 | 2008-10-08 | 上海市电力公司超高压输变电公司 | Experimental device for high power silicon controlled as well as power electronic device |
| WO2016206048A1 (en) * | 2015-06-25 | 2016-12-29 | Abb 瑞士股份有限公司 | Single live wire electrical switch and method of detecting and controlling load property |
| CN206135412U (en) * | 2016-08-31 | 2017-04-26 | 广东新昇电业科技股份有限公司 | Control circuit that crush -cutting traded is treated to silicon controlled rectifier more |
| CN106658895A (en) * | 2016-11-15 | 2017-05-10 | 惠州市特仕科技有限公司 | Double-bypass large-power light modulation controller |
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| CN109991904A (en) | 2019-07-09 |
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