CN117595687A - Inverter and power supply system - Google Patents

Inverter and power supply system Download PDF

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Publication number
CN117595687A
CN117595687A CN202410071314.4A CN202410071314A CN117595687A CN 117595687 A CN117595687 A CN 117595687A CN 202410071314 A CN202410071314 A CN 202410071314A CN 117595687 A CN117595687 A CN 117595687A
Authority
CN
China
Prior art keywords
power supply
inverter
power
signal
controller
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.)
Pending
Application number
CN202410071314.4A
Other languages
Chinese (zh)
Inventor
薛法洪
白海亚
杨伶利
张健
张炼冬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Trinasolar Electrical Co ltd
Original Assignee
Jiangsu Trinasolar Electrical Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Trinasolar Electrical Co ltd filed Critical Jiangsu Trinasolar Electrical Co ltd
Priority to CN202410071314.4A priority Critical patent/CN117595687A/en
Publication of CN117595687A publication Critical patent/CN117595687A/en
Pending legal-status Critical Current

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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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

The present disclosure provides an inverter and a power supply system, wherein the inverter includes: the power conversion module, the controller, the signal transmitter and the transformer; the power conversion module is connected with a direct current output line of the input power supply and is used for converting direct current input by the input power supply into alternating current. The controller is connected with the power conversion module and used for controlling current conversion of the power conversion module. The power supply end of the signal transmitter is connected with a power supply. The signal output end of the signal transmitter is connected with the transformer and used for driving the transformer to transmit the power carrier signal. The transformer is arranged on a direct current output line of the input power supply. The technical problem of how to provide an inverter with low cost and easy installation in the related art can be solved, and the technical effects of reducing the cost and the installation difficulty of the inverter are achieved by multiplexing the signal transmitter, the controller and the power conversion module, reducing part of circuits, hardware cost and wiring installation process.

Description

Inverter and power supply system
Technical Field
The disclosure relates to the technical field of optical storage, and in particular relates to an inverter and a power supply system.
Background
At present, when the light storage system breaks out a fire disaster, the photovoltaic direct-current voltage reaching up to kilovolts causes difficulty in fire fighting and rescue, the power output interface of the energy storage battery or each photovoltaic module can be disconnected rapidly by the rapid shutdown function, and the direct-current voltage of the system is reduced to a safe voltage range, so that rescue is convenient to implement. In the prior art, a transmitter needs to be separately arranged to control the shutdown function of an energy storage battery or a photovoltaic module, so that the system cost is increased, and the equipment is inconvenient to install.
Therefore, how to provide an inverter with low cost and easy installation is a technical problem to be solved at present.
Disclosure of Invention
An object of the present disclosure is to provide an inverter and a power supply system that are low-cost and easy to install.
To achieve the above object, the present disclosure provides an inverter including: the power conversion module, the controller, the signal transmitter and the transformer;
the power conversion module is connected with a direct current output line of an input power supply and is used for converting direct current input by the input power supply into alternating current;
the controller is connected with the power conversion module and used for controlling current conversion of the power conversion module;
the power supply end of the signal transmitter is connected with a power supply;
the signal output end of the signal transmitter is connected with the transformer and is used for driving the transformer to transmit a power carrier signal to the input power supply;
the mutual inductor is arranged on a direct current output line of the input power supply.
In one exemplary embodiment, further comprising:
the controller is connected with the power supply end of the signal transmitter through the sampling circuit and is used for collecting the power supply signal of the signal transmitter.
In one exemplary embodiment, further comprising: a remote control switch;
the remote control switch is connected in series between the power supply end of the signal transmitter and the power supply;
the controller is connected with the remote control switch and used for switching off the remote control switch under the condition that the controller receives a switching-off instruction sent by the remote end.
In one exemplary embodiment, the signal transmitter includes: the signal control module and the signal driving module;
the signal control module is used for generating a control instruction and sending the control instruction to the signal driving module.
In one exemplary embodiment, the signal transmitter includes: a signal driving module;
the controller is in communication connection with the signal driving module and is used for indicating the signal driving module to be turned off through a communication signal.
In one exemplary embodiment, the signal transmitter includes: a signal driving module;
the controller is electrically connected with the signal driving module and is used for generating a control instruction and sending the control instruction to the signal driving module.
In one exemplary embodiment, the power carrier signal includes at least one of the following control instructions: a start command, a stop command, and an output power setting command of an input power supply.
In an exemplary embodiment, the power supply is disposed inside the inverter, and a charging input terminal of the power supply is connected to an ac output terminal of the power conversion module; or alternatively, the first and second heat exchangers may be,
the power supply is arranged outside the inverter, and the charging input end of the power supply is connected with a power grid system corresponding to the power conversion module.
In one exemplary embodiment, further comprising:
the power supply is arranged outside the inverter, a first charging input end of the power supply is connected with a power grid system corresponding to the power conversion module, and a second charging input end of the power supply is connected with an emergency output port of the power conversion module.
In one exemplary embodiment, further comprising:
and the power supply end of the power conversion module is connected with the power supply.
In an exemplary embodiment, the power supply is further configured to supply power to individual power consuming elements within the inverter, the power consuming elements including the controller.
In one exemplary embodiment, further comprising: an independent power supply;
the independent power supply is used for supplying power to each power consumption element in the inverter, and the power consumption element comprises the controller.
In one exemplary embodiment, further comprising: an emergency stop switch;
the emergency stop switch is connected in series between the power supply end of the signal transmitter and the power supply;
the scram switch is disposed inside the inverter.
In an exemplary embodiment, the power supply end of the signal transmitter is connected with the power supply through an emergency stop switch;
the scram switch is disposed outside the inverter.
In one exemplary embodiment, the input power source includes at least one of the following: photovoltaic module, energy storage battery.
According to another aspect of the embodiments of the present disclosure, there is also provided a power supply system including: an input power source and an inverter as described in any one of the above;
the output end of the input power supply is connected with the power conversion module of the inverter;
the input power source comprises at least one of the following: photovoltaic module, energy storage battery.
The technical scheme of the present disclosure is described in further detail below through the accompanying drawings and examples.
Drawings
The following drawings are only intended to illustrate and explain the present disclosure and do not limit the scope of the present disclosure.
Fig. 1 is a simplified schematic configuration of an inverter according to an embodiment of the present disclosure.
Fig. 2 is one of schematic structural diagrams of an inverter of an alternative embodiment of the present disclosure.
Fig. 3 is a second schematic diagram of an inverter according to an alternative embodiment of the present disclosure.
Fig. 4 is a third schematic diagram of an inverter according to an alternative embodiment of the present disclosure.
Fig. 5 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure.
Fig. 6 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure.
Fig. 7 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure.
Fig. 8 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure.
Fig. 9 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure.
Fig. 10 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure.
Fig. 11 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure.
Fig. 12 is an eleven schematic structural diagrams of an inverter of an alternative embodiment of the present disclosure.
Fig. 13 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure.
Fig. 14 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure.
Fig. 15 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure.
Fig. 16 is a simplified structural schematic diagram of a power supply system according to an embodiment of the present disclosure.
Detailed Description
The present application is further described in detail below by way of the accompanying drawings and examples. The features and advantages of the present application will become more apparent from the description.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
In addition, the technical features described below in the different embodiments of the present application may be combined with each other as long as they do not collide with each other.
In this embodiment, an inverter is provided, fig. 1 is a simplified schematic structural diagram of an inverter according to an embodiment of the disclosure, as shown in fig. 1 and 2, including: the system comprises a power conversion module, a controller, a signal transmitter and a transformer.
The power conversion module is connected with a direct current output line of an input power supply and is used for converting direct current input by the input power supply into alternating current.
The power conversion module may be provided with a connection port for connecting direct current of an input power source to the inverter. The inverter may also be provided with a connection port for connecting to a grid system for outputting alternating current.
The controller is connected with the power conversion module and used for controlling current conversion of the power conversion module.
The controller may be configured to input a switching command to the power conversion module to instruct the power conversion module to operate or stand by.
The power supply end of the signal transmitter is connected with a power supply.
After the emergency stop switch is closed, the power supply supplies power to the signal transmitter through the power supply end.
And the signal output end of the signal transmitter is connected with the mutual inductor and is used for driving the mutual inductor to transmit a power carrier signal to the input power supply.
The power carrier signal may be an on command generated by the signal transmitter.
The mutual inductor is arranged on a direct current output line of the input power supply.
The transformer may be provided at the connection port of the direct current to the input power source.
The input power source comprises a photovoltaic module and/or an energy storage battery.
In the embodiment of the disclosure, the power conversion module is connected with a direct current output line of an input power supply and is used for converting direct current of the input power supply into alternating current. The controller is connected with the power conversion module and used for controlling current conversion of the power conversion module. The power supply end of the signal transmitter is connected with a power supply. And the signal output end of the signal transmitter is connected with the mutual inductor and is used for driving the mutual inductor to generate a power carrier signal. The mutual inductor is arranged on a direct current output line of the input power supply. The technical problem of how to provide an inverter with low cost and easy installation in the related art can be solved, and the technical effects of reducing the cost and the installation difficulty of the inverter are achieved by multiplexing the signal transmitter, the controller and the power conversion module, reducing part of circuits, hardware cost and wiring installation process.
In one exemplary embodiment, fig. 2 is one of the schematic structural diagrams of an inverter of an alternative embodiment of the present disclosure,
the power conversion module is connected with output lines of the photovoltaic module and/or the energy storage battery and is used for converting direct current input by the photovoltaic module and/or the energy storage battery into alternating current.
The inverter can be used for carrying out alternating current conversion on the photovoltaic module and also carrying out alternating current conversion on the energy storage battery or the photovoltaic energy storage system, thereby realizing the technical effect of multi-scene application of the inverter.
In one exemplary embodiment, fig. 3 is a second schematic diagram of the structure of an inverter of an alternative embodiment of the present disclosure,
the controller is connected with the power supply end of the signal transmitter through the sampling circuit and is used for collecting the power supply signal of the signal transmitter.
The sampling circuit may be a current sampling circuit or a voltage sampling circuit.
Through the embodiment, the controller is used for sampling the power supply signal at the power supply end of the signal transmitter, so that the working state of the signal transmitter is monitored, and the technical effect of detecting the off state of the inverter is achieved.
In an exemplary embodiment, fig. 4 is a third schematic structural diagram of an inverter according to an alternative embodiment of the disclosure, and further includes: and a remote control switch.
The remote control switch is connected in series between the power supply end of the signal transmitter and the power supply.
The controller is connected with the remote control switch and used for switching off the remote control switch under the condition that the controller receives a switching-off instruction sent by a remote end.
The remote end may be a cloud server in real-time communication with the controller. The controller can transmit the real-time monitored power supply current/current signal or the judgment result that the power supply current signal exceeds the set current value or the judgment result that the power supply voltage signal exceeds the set current value to the remote terminal in real time, and wait for the turn-off instruction sent by the remote terminal.
Through the embodiment, the remote control switch controlled by the controller is arranged between the power supply end of the signal transmitter and the power supply, so that when an abnormal state is realized, the controller controls the remote control switch to be turned off rapidly based on the received turn-off instruction sent by the remote end, the power of the signal transmitter is finished, and the technical effect of guaranteeing the turn-off function of the inverter to complex conditions is achieved.
In an exemplary embodiment, fig. 5 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure, and as shown in fig. 5, the signal transmitter includes: the signal control module and the signal driving module.
The signal control module is used for generating a control instruction and sending the control instruction to the signal driving module.
Through the embodiment, the signal emitter with the signal control module and the signal driving module is used for realizing the functions, and the signal control module can generate corresponding control instructions, so that the independent signal processing capability of the signal emitter is realized, and the technical effect of improving the reliability of the inverter system is achieved.
In an exemplary embodiment, fig. 6 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure, and as shown in fig. 6, the signal transmitter includes: a signal driving module;
the controller is in communication connection with the signal driving module and is used for indicating the signal driving module to be turned off through a communication signal.
That is, the signal driving module is instructed to stop driving the transformer to send the power carrier signal to the photovoltaic module.
The controller may be connected to the signal driving module by wireless communication.
The controller may transmit a control command to the signal driving module through a built-in communication module.
By the embodiment, the controller controls the signal driving module in a communication connection mode, so that the interference problem of circuit connection can be reduced.
In an exemplary embodiment, fig. 7 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure, and as shown in fig. 7, the signal transmitter includes: a signal driving module;
the controller is electrically connected with the signal driving module and is used for generating a control instruction and sending the control instruction to the signal driving module.
The controller may be electrically connected to the signal driving module through a wired circuit.
The controller controls the signal driving module in an electric connection mode, so that the technical effect of further reducing the hardware cost of the circuit is achieved.
In an exemplary embodiment, the power carrier signal includes at least one of the following control instructions: a start command, a stop command, and an output power setting command of an input power supply.
Through the embodiment, the controller sends the start-stop signal and the output power setting control command of the input power supply to the signal driving module so as to control the photovoltaic module to work. Thereby carrying out rapid remote turn-off on the signal driving module.
In an exemplary embodiment, the power supply is disposed inside the inverter, and a charging input terminal of the power supply is connected to an ac output terminal of the power conversion module. Or alternatively, the first and second heat exchangers may be,
the power supply is arranged outside the inverter, and the charging input end of the power supply is connected with a power grid system corresponding to the power conversion module.
Fig. 8 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure, and as shown in fig. 8, a power conversion module, a controller, a signal transmitter including a signal driving module and a signal control module, a transformer, a remote control switch, a sampling circuit, a power supply, and a scram switch are disposed in the inverter.
One end of the power conversion module is connected with the photovoltaic direct current input line, and the other end of the power conversion module is connected with the alternating current output line. The controller obtains a power supply end signal of the signal transmitter through the sampling circuit. The emergency stop switch and the remote control switch are arranged between the power supply and the signal transmitter. The controller is connected with and controls the remote control switch. The signal transmitter receives the control signal sent by the controller communication module, and can generate the control signal through the internal signal control module and generate a corresponding power carrier signal through a transformer arranged on the photovoltaic direct-current input line. The power conversion module is powered by an external energy storage battery and receives a control instruction of the controller. After the emergency stop switch is disconnected, the signal driving module is powered off to stop sending an opening instruction to the photovoltaic module, so that the photovoltaic module is turned off.
Fig. 9 is a schematic diagram of an inverter according to an alternative embodiment of the disclosure, as shown in fig. 9, including: the inverter is internally provided with a power conversion module, a controller, a signal transmitter comprising a signal driving module and a signal control module, a mutual inductor, a remote control switch, a sampling circuit and a scram switch.
One end of the power conversion module is connected with an input line of an input power supply, and the other end of the power conversion module is connected with an alternating current output line. The controller obtains a power supply end signal of the signal transmitter through the sampling circuit. The emergency stop switch and the remote control switch are arranged between the power supply and the signal transmitter. The controller is connected with and controls the remote control switch. The signal transmitter receives the control signal sent by the controller communication module, and can generate the control signal through the internal signal control module and generate a corresponding power carrier signal through a transformer arranged on an input line of the input power supply. The power conversion module is powered by a power supply and receives a control instruction of the controller. The power supply is arranged outside the inverter and is charged by the power grid.
Through the embodiment, the power supply is arranged in the inverter, and the power supply is charged by the alternating current output end, so that the technical effect of reducing the difficulty of installation wiring of the inverter before actual use is achieved. Or the power supply is arranged outside the inverter and is charged from the power grid, so that the technical effects of reducing the hardware cost and the volume of the inverter are achieved.
Fig. 10 is a schematic diagram of an inverter according to an alternative embodiment of the disclosure, as shown in fig. 10, further including:
the power supply is arranged outside the inverter, a first charging input end of the power supply is connected with a power grid system corresponding to the power conversion module, and a second charging input end of the power supply is connected with an emergency output port of the power conversion module.
And a cut-off switch can be arranged between the power conversion module and the corresponding power grid system and used for being disconnected under the condition that the power grid system stops supplying power to the power supply, so that the power supply is charged through the emergency output port.
Through the embodiment, the emergency output port of the power conversion module is used for charging the power supply, so that the charging requirement of the power supply under the condition that the power grid system fails is ensured, and the emergency capability of the inverter under the condition of outage is further ensured.
In an exemplary embodiment, fig. 11 is a schematic diagram of an inverter according to an alternative embodiment of the disclosure, and further includes:
the power supply end of the power conversion module is connected with the power supply.
Through the embodiment, the power supply is connected to the power supply end of the power conversion module, so that the power supply can supply power to the whole inverter, and the technical effect of reducing the cost of power supply hardware of the inverter can be achieved.
In an exemplary embodiment, fig. 12 is an eleven schematic structural diagrams of an inverter according to an alternative embodiment of the disclosure, and the power source is further configured to supply power to each power consuming element in the inverter, as shown in fig. 12, where the power consuming element includes the controller.
Through the embodiment, the power supply is used for integrally supplying power to the inverter, so that the technical effect of reducing equipment cost is achieved.
In an exemplary embodiment, fig. 13 is a schematic diagram of an inverter according to an alternative embodiment of the disclosure, and further includes: and an independent power supply.
The independent power supply is used for supplying power to each power consumption element in the inverter, and the power consumption element comprises the controller.
The power consumption element may be an amplifying circuit in the inverter.
Through the embodiment, the power supply and the independent power supply are used for respectively supplying power to the signal driving module and other power consumption elements in the inverter, so that the wiring mode of the circuit is simplified, and meanwhile, the power supply requirement of the inverter after the emergency stop switch is put into operation is ensured.
In an exemplary embodiment, fig. 14 is a thirteenth schematic structural view of an inverter according to an alternative embodiment of the present disclosure, and further includes: and (5) a scram switch.
The emergency stop switch is connected in series between the power supply terminal of the signal transmitter and the power supply.
The emergency stop switch is arranged inside the inverter.
Through the embodiment, the emergency stop switch is arranged in the inverter, so that the emergency stop switch and the inverter are integrally designed, and wiring arrangement difficulty is reduced.
In an exemplary embodiment, fig. 15 is a schematic diagram of an inverter according to an alternative embodiment of the present disclosure, and as shown in fig. 15, a power supply terminal of the signal transmitter is connected to the power supply through a scram switch.
The emergency stop switch is arranged outside the inverter.
By arranging the emergency stop switch outside the inverter according to the embodiment, the position restriction of the inverter and the emergency stop switch can be released, and the emergency stop switch is conveniently arranged at a specific position.
In accordance with another aspect of the embodiments of the present disclosure, there is also provided a power supply system, fig. 16 is a simplified schematic structural diagram of the power supply system of the embodiments of the present disclosure, as shown in fig. 16, including: an input power source and an inverter of any of the above embodiments.
And the output end of the input power supply is connected with the power conversion module of the inverter.
Through the above embodiment, the power system inputs the output dc power of the power supply to the inverter of any of the above embodiments, and converts the dc power into the ac power through the power conversion module of the inverter, and outputs the ac power, where the input power supply includes a photovoltaic module and/or an energy storage battery. The technical problem of how to provide an inverter with low cost and easy installation in the related art can be solved, and the technical effects of reducing the cost and the installation difficulty of the inverter are achieved by multiplexing the signal transmitter, the controller and the power conversion module, reducing part of circuits, hardware cost and wiring installation process.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments. In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other. The present disclosure is not limited to any single aspect, nor to any single embodiment, nor to any combination and/or permutation of these aspects and/or embodiments. Moreover, each aspect and/or embodiment of the disclosure may be used alone or in combination with one or more other aspects and/or embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present disclosure, and not for limiting the same; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments of the disclosure, and are intended to be included within the scope of the claims and specification of the present disclosure.

Claims (16)

1. An inverter, comprising: the power conversion module, the controller, the signal transmitter and the transformer;
the power conversion module is connected with a direct current output line of an input power supply and is used for converting direct current input by the input power supply into alternating current;
the controller is connected with the power conversion module and used for controlling current conversion of the power conversion module;
the power supply end of the signal transmitter is connected with a power supply;
the signal output end of the signal transmitter is connected with the transformer and is used for driving the transformer to transmit a power carrier signal to the input power supply;
the mutual inductor is arranged on a direct current output line of the input power supply.
2. The inverter according to claim 1, further comprising:
the controller is connected with the power supply end of the signal transmitter through the sampling circuit and is used for collecting the power supply signal of the signal transmitter.
3. The inverter according to claim 2, further comprising: a remote control switch;
the remote control switch is connected in series between the power supply end of the signal transmitter and the power supply;
the controller is connected with the remote control switch and used for switching off the remote control switch under the condition that the controller receives a switching-off instruction sent by a remote end.
4. An inverter according to any one of claims 1-3, wherein the signal transmitter comprises: the signal control module and the signal driving module;
the signal control module is used for generating a control instruction and sending the control instruction to the signal driving module.
5. An inverter according to any one of claims 1-3, wherein the signal transmitter comprises: a signal driving module;
the controller is in communication connection with the signal driving module and is used for indicating the signal driving module to be turned off through a communication signal.
6. An inverter according to any one of claims 1-3, wherein the signal transmitter comprises: a signal driving module;
the controller is electrically connected with the signal driving module and is used for generating a control instruction and sending the control instruction to the signal driving module.
7. An inverter according to any one of claims 1-3,
the power carrier signal includes at least one of the following control instructions: a start command, a stop command, and an output power setting command of an input power supply.
8. An inverter according to any one of claims 1-3,
the power supply is arranged in the inverter, and the charging input end of the power supply is connected with the alternating current output end of the power conversion module; or alternatively, the first and second heat exchangers may be,
the power supply is arranged outside the inverter, and the charging input end of the power supply is connected with a power grid system corresponding to the power conversion module.
9. An inverter according to any one of claims 1-3,
the power supply is arranged outside the inverter, a first charging input end of the power supply is connected with a power grid system corresponding to the power conversion module, and a second charging input end of the power supply is connected with an emergency output port of the power conversion module.
10. An inverter according to any one of claims 1-3, further comprising:
and the power supply end of the power conversion module is connected with the power supply.
11. An inverter according to any one of claims 1-3,
the power supply is also used to power various power consuming components within the inverter, including the controller.
12. An inverter according to any one of claims 1-3, further comprising: an independent power supply;
the independent power supply is used for supplying power to each power consumption element in the inverter, and the power consumption element comprises the controller.
13. An inverter according to any one of claims 1-3, further comprising: an emergency stop switch;
the emergency stop switch is connected in series between the power supply end of the signal transmitter and the power supply;
the scram switch is disposed inside the inverter.
14. An inverter according to any one of claims 1-3,
the power supply end of the signal transmitter is connected with the power supply through an emergency stop switch;
the scram switch is disposed outside the inverter.
15. An inverter according to any one of claims 1-3,
the input power source comprises at least one of the following: photovoltaic module, energy storage battery.
16. A power supply system, comprising: an input power source and the inverter of any one of claims 1-3;
the output end of the input power supply is connected with the power conversion module of the inverter;
the input power source comprises at least one of the following: photovoltaic module, energy storage battery.
CN202410071314.4A 2024-01-18 2024-01-18 Inverter and power supply system Pending CN117595687A (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410071314.4A CN117595687A (en) 2024-01-18 2024-01-18 Inverter and power supply system

Publications (1)

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CN117595687A true CN117595687A (en) 2024-02-23

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101651472A (en) * 2009-07-22 2010-02-17 冯汉春 Carrier wave communication device of power line and carrier wave communication method thereof
CN213937833U (en) * 2020-10-28 2021-08-10 西安隆基绿能建筑科技有限公司 Photovoltaic shutoff device and photovoltaic system
CN219322353U (en) * 2023-01-31 2023-07-07 莱尔斯特（厦门）股份公司 Assembly level quick turn-off device for BIPV photovoltaic curtain wall and photovoltaic system
CN116430461A (en) * 2023-04-04 2023-07-14 中煤科工西安研究院(集团)有限公司 Coal mine drilling direct current method monitoring and transmitting device and signal transmitting method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101651472A (en) * 2009-07-22 2010-02-17 冯汉春 Carrier wave communication device of power line and carrier wave communication method thereof
CN213937833U (en) * 2020-10-28 2021-08-10 西安隆基绿能建筑科技有限公司 Photovoltaic shutoff device and photovoltaic system
CN219322353U (en) * 2023-01-31 2023-07-07 莱尔斯特（厦门）股份公司 Assembly level quick turn-off device for BIPV photovoltaic curtain wall and photovoltaic system
CN116430461A (en) * 2023-04-04 2023-07-14 中煤科工西安研究院(集团)有限公司 Coal mine drilling direct current method monitoring and transmitting device and signal transmitting method

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