CN116189394B - Inversion abnormity alarm circuit - Google Patents
Inversion abnormity alarm circuit Download PDFInfo
- Publication number
- CN116189394B CN116189394B CN202310445278.9A CN202310445278A CN116189394B CN 116189394 B CN116189394 B CN 116189394B CN 202310445278 A CN202310445278 A CN 202310445278A CN 116189394 B CN116189394 B CN 116189394B
- Authority
- CN
- China
- Prior art keywords
- module
- output
- power tube
- inversion
- electric energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses an inversion abnormality alarm circuit, which relates to the technical field of inversion adjustment protection and comprises an intelligent control module, a control module and a control module, wherein the intelligent control module is used for receiving signals and controlling the modules; the inversion control module is used for inversion treatment; the output adjusting module is used for storing and filtering the electric energy and transmitting the electric energy to the output module; the output control module is used for constant voltage regulation and is matched with the output regulation module to perform inversion and boost control; the output sampling module is used for outputting samples; the electric energy judging module is used for outputting abnormality judgment and controlling the alarm module to alarm; the inversion abnormality alarming circuit performs inversion work by the inversion control module, performs constant voltage regulation and output energy storage and filtering by matching with the output control module and the output regulation module, performs output abnormality judgment by matching with the electric energy judgment module by the output sampling module, stops the inversion work and controls the output regulation module to perform inversion boosting release by matching with the output control module when the output is abnormal, and performs abnormality alarming by the alarm module.
Description
Technical Field
The invention relates to the technical field of inversion regulation protection, in particular to an inversion abnormality alarm circuit.
Background
The inverter circuit is conversion equipment for converting direct current into alternating current, and is widely applied to power supplies, frequency converters, drivers and the like of various electric equipment, when the existing inverter circuit is abnormal in electric energy, the existing inverter circuit can be matched with a micro control circuit to perform related abnormal alarm control and also can perform inversion power-off protection control, but when the output of the inverter circuit is abnormal, the inverter circuit cannot continue to provide required electric energy for the electric equipment, in actual work, the inverter circuit is easy to cause the abnormal electric energy output by the inverter circuit due to interference of fluctuation of a power grid and the like, so that the working efficiency of the inverter circuit is greatly reduced, and meanwhile, the power supply efficiency of the electric equipment is also reduced, so that improvement is needed.
Disclosure of Invention
The embodiment of the invention provides an inversion abnormality alarm circuit which is used for solving the problems in the background technology.
According to an embodiment of the present invention, there is provided an inversion abnormality alarm circuit including: the system comprises a power supply module, an intelligent control module, an inversion control module, an output adjustment module, an output sampling module, an electric energy judging module, an alarm module and an output module;
the power module is used for rectifying and filtering the input electric energy and outputting the electric energy;
the intelligent control module is connected with the inversion control module, the output regulation module, the electric energy judgment module and the output sampling module, and is used for receiving signals output by the output sampling module and the electric energy judgment module, outputting a first pulse signal and controlling the operation of the inversion control module, outputting a second pulse signal and a third pulse signal and controlling the operation of the output control module, and outputting a fourth pulse signal and a fifth pulse signal and controlling the operation of the output regulation module;
the inversion control module is connected with the power supply module and is used for receiving the first pulse signal and performing DC-AC regulation on the electric energy output by the power supply module;
the output control module is connected with the inversion control module and the output adjustment module, and is used for receiving the electric energy output by the inversion control module and the second pulse signal and performing constant voltage adjustment processing on the input electric energy, and is used for receiving the third pulse signal and controlling the working mode of the output adjustment module;
the output adjusting module is connected with the output sampling module and the output module, and is used for receiving the fourth pulse signal, storing and filtering the electric energy output by the output control module, receiving the fifth pulse signal, performing inversion adjustment and boost adjustment on the stored electric energy, and transmitting the electric energy after the filtering treatment and the electric energy after the inversion and boost adjustment to the output sampling module and the output module;
the output sampling module is used for performing voltage sampling on the electric energy output by the output regulating module and outputting a voltage signal;
the electric energy judging module is connected with the output sampling module and is used for judging overvoltage and undervoltage of the voltage signal and respectively outputting a first control signal and a second control signal;
the alarm module is connected with the electric energy judging module and the power module and is used for receiving the first control signal and the second control signal and carrying out abnormal alarm;
the output module is used for receiving the electric energy output by the output adjusting module and connecting with electric equipment.
Compared with the prior art, the invention has the beneficial effects that: the inversion abnormality alarming circuit is characterized in that an intelligent control module controls an inversion control module to perform inversion adjustment, and when the inversion control module works normally, an output control module and an output adjustment module are controlled to perform constant voltage adjustment, output energy storage and filtering treatment respectively, so that the accuracy of electric energy after inversion is improved, meanwhile, the safety of the circuit is ensured, an output sampling module and an electric energy judging module are used for performing output sampling and output abnormality judgment respectively, when output is abnormal, the operation of the inversion control module is disconnected, the output adjustment module is controlled to cooperate with the output control module to perform inversion boosting release on stored electric energy, short-term electric energy is provided for the output module, the power supply efficiency of the circuit is improved, and the alarming module can perform abnormality alarming.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic block diagram of an inversion abnormality alarm circuit provided by an example of the invention;
fig. 2 is a circuit diagram of an inversion abnormality alarm circuit provided by an example of the present invention;
FIG. 3 is a circuit diagram of an electrical energy judgment module according to an embodiment of the present invention;
fig. 4 is a circuit diagram of an alarm module provided by an example of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In one embodiment, referring to fig. 1, an inversion anomaly alarm circuit includes: the system comprises a power supply module 1, an intelligent control module 2, an inversion control module 3, an output control module 4, an output adjustment module 5, an output sampling module 6, an electric energy judging module 7, an alarm module 8 and an output module 9;
specifically, the power module 1 is configured to rectify and filter input electric energy and output the rectified and filtered electric energy;
the intelligent control module 2 is connected with the inversion control module 3, the output control module 4, the output adjustment module 5, the electric energy judgment module 7 and the output sampling module 6, and is used for receiving signals output by the output sampling module 6 and the electric energy judgment module 7, outputting a first pulse signal and controlling the operation of the inversion control module 3, outputting a second pulse signal and a third pulse signal and controlling the operation of the output control module 4, and outputting a fourth pulse signal and a fifth pulse signal and controlling the operation of the output adjustment module 5;
the inversion control module 3 is connected with the power supply module 1 and is used for receiving the first pulse signal and performing DC-AC regulation on the electric energy output by the power supply module 1;
the output control module 4 is connected with the inversion control module 3 and the output adjustment module 5, and is used for receiving the electric energy output by the inversion control module 3 and the second pulse signal, performing constant voltage adjustment processing on the input electric energy, and receiving the third pulse signal and controlling the working mode of the output adjustment module 5;
the output adjusting module 5 is connected with the output sampling module 6 and the output module 9, and is used for receiving the fourth pulse signal, storing and filtering the electric energy output by the output control module 4, receiving the fifth pulse signal, performing inversion adjustment and boost adjustment on the stored electric energy, and transmitting the electric energy after the filtering treatment and the electric energy after the inversion and boost adjustment to the output sampling module 6 and the output module 9;
the output sampling module 6 is used for performing voltage sampling on the electric energy output by the output adjusting module 5 and outputting a voltage signal;
the electric energy judging module 7 is connected with the output sampling module 6 and is used for judging overvoltage and undervoltage of the voltage signal and respectively outputting a first control signal and a second control signal;
the alarm module 8 is connected with the electric energy judging module 7 and the power module 1 and is used for receiving the first control signal and the second control signal and carrying out abnormal alarm;
and the output module 9 is used for receiving the electric energy output by the output adjusting module 5 and connecting with electric equipment.
In a specific embodiment, the power module 1 may employ a rectifying and filtering circuit to perform rectifying and filtering processing on the input ac power; the intelligent control module 2 can adopt, but is not limited to, a microcontroller integrated with a plurality of components such as an arithmetic unit, a controller, a memory, an input/output unit and the like, and realizing functions such as signal processing, data storage, module control, timing control and the like, wherein the adopted microcontroller needs to be provided with a related power tube driving device to realize driving control of a power tube in a circuit, and details are not repeated; the inversion control module 3 can adopt an inversion control circuit formed by power tubes to perform DC-AC processing; the output control module 4 can adopt an output control circuit consisting of a bidirectional power tube and a capacitor circuit to perform constant voltage control on the voltage generated by the inversion control module 3 and work in cooperation with the output regulation module 5; the output regulating module 5 can adopt an output regulating circuit consisting of an output filter circuit and a voltage regulating circuit, the output filter circuit stores and filters the input electric energy, the electric energy regulating circuit carries out electric energy transmission and electric energy boosting treatment, and the output regulating circuit cooperates with the output control module 4 to realize transient inversion and boosting work; the output sampling module 6 may use an output sampling circuit to sample the voltage of the electric energy output by the output adjusting module 5; the electric energy judging module 7 can adopt an electric energy judging circuit formed by a comparison circuit, and is identical to the situation of judging whether the output electric energy has overvoltage and undervoltage; the alarm module 8 can adopt an alarm circuit to alarm for abnormal electric energy, and is not described in detail herein; the output module 9 is configured to be connected to an electric device, and transmit the received electric energy to the electric device, which will not be described herein.
In another embodiment, referring to fig. 2, 3 and 4, the power module 1 includes an ac power source, a first rectifier T1, and a first capacitor C1; the inversion control module 3 comprises a first power tube Q1, a second power tube Q2, a third power tube Q3 and a fourth power tube Q4; the intelligent control module 2 comprises a first controller U1;
specifically, the first end and the second end of the ac power supply are respectively connected to the first input end and the second input end of the first rectifier T1, the first output end of the first rectifier T1 is connected to one end of the first capacitor C1, the collector of the first power tube Q1 and the collector of the second power tube Q2, the second output end of the first rectifier T1 is connected to the other end of the first capacitor C1, the emitter of the third power tube Q3 and the emitter of the fourth power tube Q4, the emitter of the first power tube Q1 is connected to the collector of the third power tube Q3, the emitter of the second power tube Q2 is connected to the collector of the fourth power tube Q4, and the grid of the first power tube Q1, the grid of the second power tube Q2, the grid of the third power tube Q3 and the grid of the fourth power tube Q4 are respectively connected to the first end, the second IO end, the third IO end and the fourth IO end of the first controller U1.
In a specific embodiment, the first rectifier T1 may be selected from, but not limited to, a three-phase rectifying device and a single-phase rectifying device, and performs rectifying processing on the input ac power, and is specifically determined by the ac condition provided by the ac power; the first power tube Q1, the second power tube Q2, the third power tube Q3 and the fourth power tube Q4 can all be IGBT, and an inversion control circuit is formed; the first controller U1 is optional, but not limited to an STM32 single-chip microcomputer, and the portion of the single-chip microcomputer connected to the power tube is provided with an IGBT driving device, which is not described herein.
Further, the output control module 4 includes a fifth power tube Q5, a sixth power tube Q6, a second capacitor C2 and a third capacitor C3;
specifically, the collector of the fifth power tube Q5 is connected to one end of the second capacitor C2 and the emitter of the first power tube Q1, the emitter of the fifth power tube Q5 is connected to the other end of the second capacitor C2, the emitter of the sixth power tube Q6 and one end of the third capacitor C3, the collector of the sixth power tube Q6 is connected to the other end of the third capacitor C3 and the collector of the fourth power tube Q4, and the gate of the fifth power tube Q5 and the gate of the sixth power tube Q6 are respectively connected to the fifth IO end and the sixth IO end of the first controller U1.
In a specific embodiment, the fifth power tube Q5 and the sixth power tube Q6 may be IGBTs, and form a bidirectional power tube, and cooperate with a capacitor circuit formed by the second capacitor C2 and the third capacitor C3 to perform constant voltage regulation on the input electric energy, and cooperate with the output regulation module 5 to perform inversion and boosting operations.
Further, the output adjusting module 5 includes a first inductor L1, a twelfth power tube Q12, an eighth power tube Q8, a ninth power tube Q9, and a fifth capacitor C5; the output module 9 comprises an output port and a fourth capacitor C4;
specifically, the first end of the first inductor L1 is connected to the collector of the fifth power tube Q5, the second end of the first inductor L1 is connected to the collector of the twelfth power tube Q12 and the collector of the eighth power tube Q8, the emitter of the eighth power tube Q8 is connected to the emitter of the ninth power tube Q9, the gate of the twelfth power tube Q12, the gate of the eighth power tube Q8 and the gate of the ninth power tube Q9 are respectively connected to the fifteenth IO end, the eighth IO end and the ninth IO end of the first controller U1, the collector of the ninth power tube Q9 is connected to the first end of the fifth capacitor C5 and one end of the output port, the second end of the fifth capacitor C5 is connected to the other end of the output port and the first end of the fourth capacitor C4, and the second end of the fourth capacitor C4 is connected to the emitter of the fourth power tube Q4.
Further, the output adjusting module 5 further includes a second inductor L2, a seventh power tube Q7, a tenth power tube Q10, and an eleventh power tube Q11;
specifically, one end of the second inductor L2 is connected to the collector of the sixth power tube Q6, the other end of the second inductor L2 is connected to the collector of the seventh power tube Q7 and the collector of the tenth power tube Q10, the emitter of the tenth power tube Q10 is connected to the emitter of the eleventh power tube Q11, the collector of the eleventh power tube Q11 is connected to the second end of the fifth capacitor C5, the emitter of the seventh power tube Q7 is connected to the emitter of the twelfth power tube Q12, and the gate of the seventh power tube Q7, the gate of the tenth power tube Q10 and the gate of the eleventh power tube Q11 are respectively connected to the seventh IO end, the tenth IO end and the eleventh IO end of the first controller U1.
In the embodiment, the twelfth power tube Q12, the seventh power tube Q7, the eighth power tube Q8, the ninth power tube Q9, the tenth power tube Q10 and the eleventh power tube Q11 may all be IGBTs, where only when the eighth power tube Q8, the ninth power tube Q9, the tenth power tube Q10 and the eleventh power tube Q11 are turned on, the first inductor L1, the second inductor L2 and the fifth capacitor C5 are matched to store and filter the input electric energy, and the twelfth power tube Q12 and the seventh power tube Q7 are matched to complete the boosting process.
Further, the output sampling module 6 includes a first resistor R1, a second resistor R2, a third resistor R3, and a sixth capacitor C6;
specifically, the first end of the first resistor R1 is connected to the first end of the fifth capacitor C5, the second end of the first resistor R1 is connected to one end of the third resistor R3 and the electric energy judging module 7 and is connected to the second end of the fifth capacitor C5 through the second resistor R2, the other end of the third resistor R3 is connected to one end of the sixth resistor and the twelfth IO end of the first controller U1, and the other end of the sixth resistor is grounded.
In the embodiment, the first resistor R1 and the second resistor R2 sample voltages, and the third resistor R3 and the sixth capacitor C6 sample and filter.
Further, the power judging module 7 includes a first comparator A1, a second comparator A2, a first diode D1, a second diode D2, a first threshold device and a second threshold device;
specifically, the in-phase end of the first comparator A1 is connected to the cathode of the first diode D1, the inverting end of the second comparator A2 and the second end of the first resistor R1, the inverting end of the first comparator A1 is connected to the first threshold device, the in-phase end of the second comparator A2 is connected to the cathode of the second diode D2 and the second threshold device, the output end of the first comparator A1 is connected to the anode of the first diode D1 and the thirteenth IO end of the first controller U1, and the output end of the second comparator A2 is connected to the anode of the second diode D2 and the fourteenth IO end of the first controller U1.
In the embodiment, the first comparator A1 and the second comparator A2 may be LM393 comparators; the first threshold device provides an overvoltage threshold value, and the second threshold device provides an undervoltage threshold value, which will not be described herein.
Further, the alarm module 8 includes a fourth resistor R4, a first voltage stabilizing tube VD1, a first switching tube VT1, a second switching tube VT2, and an alarm device;
specifically, one end of the fourth resistor R4 is connected to the power module 1, the other end of the fourth resistor R4 is connected to the cathode of the first voltage stabilizing tube VD1 and the first end of the alarm device, the second end of the alarm device is connected to the collector of the first switching tube VT1 and the collector of the second switching tube VT2, the base of the first switching tube VT1 and the base of the second switching tube VT2 are respectively connected to the output end of the first comparator A1 and the output end of the second comparator A2, and the anode of the first voltage stabilizing tube VD1, the emitter of the first switching tube VT1 and the emitter of the second switching tube VT2 are all grounded.
In the embodiment, the first switching tube VT1 and the second switching tube VT2 may be NPN type transistors, so as to control the alarm operation of the alarm device.
The invention relates to an inversion abnormality alarm circuit, which is characterized in that a first rectifier T1 and a first capacitor C1 are used for rectifying and filtering alternating current power supplied by an alternating current power supply, a first controller U1 is used for driving a first power tube Q1, a second power tube Q2, a third power tube Q3 and a fourth power tube Q4 to finish DC-AC regulation processing of the power, at the moment, the first controller U1 is used for controlling the conduction of an eighth power tube Q8, a ninth power tube Q9, a tenth power tube Q10 and an eleventh power tube Q11, so that the inverted power is transmitted to an output port after passing through a first inductor L1 and a second inductor L2 respectively, meanwhile, when an inversion control module 3 is used for inversion, if leakage current and the like are generated, the first controller U1 is used for controlling the work of a fifth power tube Q5 and a sixth power tube Q6, matching with the second capacitor C2 and the third capacitor C3 to absorb redundant generated current so as to ensure constant voltage output, the output electric energy is sampled in voltage by the first resistor R1 and the second resistor R2 and is received by the first controller U1, overvoltage and undervoltage judgment is respectively carried out by the first comparator A1 and the second comparator A2, but when the electric energy is abnormal, the first controller U1 stops working of the inversion control module 3, at the moment, the circuit is disconnected from the power supply module 1, meanwhile, the first controller U1 realizes power supply by the first inductor L1 by controlling the working of the fifth power tube Q5, the seventh power tube Q7 and the tenth power tube Q10, the working of the second inductor L2, the seventh power tube Q7 and the tenth power tube Q10 controls the working of the twelfth power tube Q12, the sixth power tube Q6 and the ninth power tube Q9, power supply of the second inductor L2 is realized, the first inductor L1, the twelfth power tube Q12 and the ninth power tube Q9 carry out boosting treatment, and due to periodical control of the fifth power tube Q5, the seventh power tube Q7 and the tenth power tube Q10 work with the sixth power tube Q6, the twelfth power tube Q12 and the ninth power tube Q9, inversion output can be achieved, short alternating current power supply is provided for an output port, when electric energy abnormality occurs, the first comparator A1 controls the first switch tube VT1 to be conducted or the second comparator A2 controls the second switch tube VT2 to be conducted, and the alarm device gives an abnormal alarm.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. An inversion abnormality alarm circuit is characterized in that:
the inversion abnormality alarm circuit includes: the system comprises a power supply module, an intelligent control module, an inversion control module, an output adjustment module, an output sampling module, an electric energy judging module, an alarm module and an output module;
the power module is used for rectifying and filtering the input electric energy and outputting the electric energy;
the intelligent control module is connected with the inversion control module, the output regulation module, the electric energy judgment module and the output sampling module, and is used for receiving signals output by the output sampling module and the electric energy judgment module, outputting a first pulse signal and controlling the operation of the inversion control module, outputting a second pulse signal and a third pulse signal and controlling the operation of the output control module, and outputting a fourth pulse signal and a fifth pulse signal and controlling the operation of the output regulation module;
the inversion control module is connected with the power supply module and is used for receiving the first pulse signal and performing DC-AC regulation on the electric energy output by the power supply module;
the output control module is connected with the inversion control module and the output adjustment module, and is used for receiving the electric energy output by the inversion control module and the second pulse signal and performing constant voltage adjustment processing on the input electric energy, and is used for receiving the third pulse signal and controlling the working mode of the output adjustment module;
the output adjusting module is connected with the output sampling module and the output module, and is used for receiving the fourth pulse signal, storing and filtering the electric energy output by the output control module, receiving the fifth pulse signal, performing inversion adjustment and boost adjustment on the stored electric energy, and transmitting the electric energy after the filtering treatment and the electric energy after the inversion and boost adjustment to the output sampling module and the output module;
the output sampling module is used for performing voltage sampling on the electric energy output by the output regulating module and outputting a voltage signal;
the electric energy judging module is connected with the output sampling module and is used for judging overvoltage and undervoltage of the voltage signal and respectively outputting a first control signal and a second control signal;
the alarm module is connected with the electric energy judging module and the power module and is used for receiving the first control signal and the second control signal and carrying out abnormal alarm;
the output module is used for receiving the electric energy output by the output adjusting module and connecting with electric equipment.
2. The inverter anomaly alarm circuit of claim 1, wherein the power module comprises an ac power source, a first rectifier, a first capacitor; the inversion control module comprises a first power tube, a second power tube, a third power tube and a fourth power tube; the intelligent control module comprises a first controller;
the first end and the second end of the alternating current power supply are respectively connected with the first input end and the second input end of the first rectifier, the first output end of the first rectifier is connected with one end of the first capacitor, the collector of the first power tube and the collector of the second power tube, the second output end of the first rectifier is connected with the other end of the first capacitor, the emitter of the third power tube and the emitter of the fourth power tube, the emitter of the first power tube is connected with the collector of the third power tube, the emitter of the second power tube is connected with the collector of the fourth power tube, and the grid of the first power tube, the grid of the second power tube, the grid of the third power tube and the grid of the fourth power tube are respectively connected with the first IO end, the second IO end, the third IO end and the fourth IO end of the first controller.
3. The inversion abnormality warning circuit according to claim 2, wherein said output control module includes a fifth power tube, a sixth power tube, a second capacitor and a third capacitor;
specifically, the collector of the fifth power tube is connected with one end of the second capacitor and the emitter of the first power tube, the emitter of the fifth power tube is connected with the other end of the second capacitor, the emitter of the sixth power tube and one end of the third capacitor, the collector of the sixth power tube is connected with the other end of the third capacitor and the collector of the fourth power tube, and the grid of the fifth power tube and the grid of the sixth power tube are respectively connected with the fifth IO end and the sixth IO end of the first controller.
4. The inverter anomaly alarm circuit of claim 3, wherein the output adjustment module comprises a first inductor, a twelfth power tube, an eighth power tube, a ninth power tube, and a fifth capacitor; the output module comprises an output port and a fourth capacitor;
the first end of the first inductor is connected with the collector of the fifth power tube, the second end of the first inductor is connected with the collector of the twelfth power tube and the collector of the eighth power tube, the emitter of the eighth power tube is connected with the emitter of the ninth power tube, the grid of the twelfth power tube, the grid of the eighth power tube and the grid of the ninth power tube are respectively connected with the fifteenth IO end, the eighth IO end and the ninth IO end of the first controller, the collector of the ninth power tube is connected with the first end of the fifth capacitor and one end of the output port, the second end of the fifth capacitor is connected with the other end of the output port and the first end of the fourth capacitor, and the second end of the fourth capacitor is connected with the emitter of the fourth power tube.
5. The inverter anomaly warning circuit of claim 4, wherein the output adjustment module further comprises a second inductor, a seventh power tube, a tenth power tube, and an eleventh power tube;
one end of the second inductor is connected with the collector of the sixth power tube, the other end of the second inductor is connected with the collector of the seventh power tube and the collector of the tenth power tube, the emitter of the tenth power tube is connected with the emitter of the eleventh power tube, the collector of the eleventh power tube is connected with the second end of the fifth capacitor, the emitter of the seventh power tube is connected with the emitter of the twelfth power tube, and the grid of the seventh power tube, the grid of the tenth power tube and the grid of the eleventh power tube are respectively connected with the seventh IO end, the tenth IO end and the eleventh IO end of the first controller.
6. The inversion anomaly alarm circuit of claim 4, wherein the output sampling module comprises a first resistor, a second resistor, a third resistor, and a sixth capacitor;
the first end of the first resistor is connected with the first end of the fifth capacitor, the second end of the first resistor is connected with one end of the third resistor and the electric energy judging module and is connected with the second end of the fifth capacitor through the second resistor, the other end of the third resistor is connected with one end of the sixth resistor and the twelfth IO end of the first controller, and the other end of the sixth resistor is grounded.
7. The inverter anomaly warning circuit of claim 6, wherein the power determination module comprises a first comparator, a second comparator, a first diode, a second diode, a first threshold device, and a second threshold device;
the in-phase end of the first comparator is connected with the cathode of the first diode, the inverting end of the second comparator and the second end of the first resistor, the inverting end of the first comparator is connected with the first threshold device, the in-phase end of the second comparator is connected with the cathode of the second diode and the second threshold device, the output end of the first comparator is connected with the anode of the first diode and the thirteenth IO end of the first controller, and the output end of the second comparator is connected with the anode of the second diode and the fourteenth IO end of the first controller.
8. The inversion abnormality alarm circuit according to claim 7, wherein said alarm module includes a fourth resistor, a first voltage regulator tube, a first switching tube, a second switching tube and an alarm device;
one end of the fourth resistor is connected with the power module, the other end of the fourth resistor is connected with the cathode of the first voltage stabilizing tube and the first end of the alarm device, the second end of the alarm device is connected with the collector of the first switching tube and the collector of the second switching tube, the base of the first switching tube and the base of the second switching tube are respectively connected with the output end of the first comparator and the output end of the second comparator, and the anode of the first voltage stabilizing tube, the emitter of the first switching tube and the emitter of the second switching tube are grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310445278.9A CN116189394B (en) | 2023-04-24 | 2023-04-24 | Inversion abnormity alarm circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310445278.9A CN116189394B (en) | 2023-04-24 | 2023-04-24 | Inversion abnormity alarm circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116189394A CN116189394A (en) | 2023-05-30 |
| CN116189394B true CN116189394B (en) | 2023-06-30 |
Family
ID=86452433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310445278.9A Active CN116189394B (en) | 2023-04-24 | 2023-04-24 | Inversion abnormity alarm circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116189394B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201430541Y (en) * | 2009-06-09 | 2010-03-24 | 厦门拓宝科技有限公司 | High-frequency intelligent EPS inverted power supply |
| CN206498340U (en) * | 2016-11-25 | 2017-09-15 | 广西电网有限责任公司南宁供电局 | A kind of Portable inverter power source |
| CN218276184U (en) * | 2022-07-29 | 2023-01-10 | 上海泰高***科技有限公司 | Novel UPS system |
| CN115856702A (en) * | 2023-03-02 | 2023-03-28 | 深圳华泰源通技术服务有限公司 | UPS power supply detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101582592B (en) * | 2008-05-15 | 2013-07-10 | 宣昆 | Transformer-less photovoltaic merging and inverting device and control method thereof |
-
2023
- 2023-04-24 CN CN202310445278.9A patent/CN116189394B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201430541Y (en) * | 2009-06-09 | 2010-03-24 | 厦门拓宝科技有限公司 | High-frequency intelligent EPS inverted power supply |
| CN206498340U (en) * | 2016-11-25 | 2017-09-15 | 广西电网有限责任公司南宁供电局 | A kind of Portable inverter power source |
| CN218276184U (en) * | 2022-07-29 | 2023-01-10 | 上海泰高***科技有限公司 | Novel UPS system |
| CN115856702A (en) * | 2023-03-02 | 2023-03-28 | 深圳华泰源通技术服务有限公司 | UPS power supply detection device |
Non-Patent Citations (1)
| Title |
|---|
| 林建华 ; .DC-AC逆变器的设计与实现.机电技术.2016,第39-42页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116189394A (en) | 2023-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10715034B2 (en) | Isolated gate driver auxiliary power supply | |
| CN116191647A (en) | Emergency power supply of power equipment | |
| US10079557B2 (en) | Efficient resonant topology for DC-AC inversion with minimal use of high frequency switches | |
| CN104935056A (en) | Sine-wave inverted portable mobile power supply | |
| CN208226892U (en) | A kind of small-sized variable-frequency electric power voltage-stabilizer | |
| CN100377481C (en) | Integration converton with three phase power factor correction | |
| CN116189394B (en) | Inversion abnormity alarm circuit | |
| CN202750021U (en) | Converter for converting alternating current into direct current | |
| CN202918213U (en) | Novel inverter | |
| CN218771790U (en) | Starting power supply with bidirectional energy storage function | |
| CN216959679U (en) | Driving integrated control device of oil pumping unit | |
| CN102710146A (en) | Driving and protection device of full-isolation three-phase inverter | |
| CN215498740U (en) | High-voltage variable-frequency power supply | |
| CN216851764U (en) | Energy storage type variable frequency transmission device | |
| CN107390139B (en) | Portable grid-connected converter testing device | |
| CN110474527B (en) | Frequency conversion device for correcting three-phase electric power factor, control method thereof and air conditioner | |
| CN201065814Y (en) | Body-building device converting biological energy into AC | |
| CN203377804U (en) | Electric locomotive inverter power supply | |
| CN204858628U (en) | Portable portable power source of sinusoidal wave contravariant | |
| CN216699825U (en) | Current source power tube supply voltage adjusting device and current source for electric energy meter calibrating device | |
| CN110739878A (en) | vehicle-mounted inverter power supply based on DSPIC | |
| CN217563540U (en) | Alternating current input control circuit, variable frequency driver and electric equipment | |
| CN220120952U (en) | Motor regulation experimental device | |
| CN220985372U (en) | Unmanned aerial vehicle ground station UPS power supply system | |
| CN210807106U (en) | Vehicle-mounted inverter power supply based on DSPIC |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |