CN113285491A - Power supply system and power supply method of power supply system - Google Patents

Power supply system and power supply method of power supply system Download PDF

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Publication number
CN113285491A
CN113285491A CN202110701885.8A CN202110701885A CN113285491A CN 113285491 A CN113285491 A CN 113285491A CN 202110701885 A CN202110701885 A CN 202110701885A CN 113285491 A CN113285491 A CN 113285491A
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China
Prior art keywords
power
power supply
energy storage
storage unit
gas generator
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Pending
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CN202110701885.8A
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Chinese (zh)
Inventor
吴文全
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En'ji Fujian Industrial Equipment Co ltd
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En'ji Fujian Industrial Equipment Co ltd
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Priority to CN202110701885.8A priority Critical patent/CN113285491A/en
Publication of CN113285491A publication Critical patent/CN113285491A/en
Pending legal-status Critical Current

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    • 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
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
    • H02J3/466—Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The application provides a power supply system and a power supply method of the power supply system, and relates to the field of power supply. The power supply system comprises a gas generator, an electric energy storage unit, a first connector and a power output interface, wherein the first connector is arranged between the electric energy storage unit and the gas generator as well as the power output interface, and is used for connecting and disconnecting the electric energy storage unit and the power output interface as well as the gas generator and the power output interface; the power output interface is used for being electrically connected with electric equipment to be powered so as to supply power to the electric equipment. According to the power supply system and the power supply method of the power supply system, the problems that the existing power supply system pollutes the environment and cannot selectively use the power supply system and the power supply system are solved, the environmental pollution caused by the power supply system can be relieved or avoided, and different power supply sources can be selected.

Description

Power supply system and power supply method of power supply system
Technical Field
The present disclosure relates to the field of power supply, and particularly to a power supply system and a power supply method of the power supply system.
Background
The existing power supply system generally comprises a light storage power supply system and a diesel generator set, wherein the light storage power supply system comprises photovoltaic equipment and energy storage equipment, the photovoltaic equipment can convert light energy into electric energy, and the converted electric energy can be stored in the energy storage equipment to be used for supplying power to electric equipment. Diesel generator sets generally passively provide power to consumers only when the light storage and power supply system fails.
However, in such a power supply system, on the one hand, the photovoltaic device and the diesel generator set both cause environmental pollution, for example, the photovoltaic device causes environmental pollution in the manufacturing process, and the diesel generator set emits emission such as N in the working processxO、SOxThe atmosphere can be polluted by gases, and the photovoltaic equipment is greatly influenced by weather factors such as the existence of sunlight and the intensity of light rays, so that the working state is unstable; on the other hand, in the existing power supply system, the diesel generator set is started only when the optical storage power supply system cannot work, and the optical storage power supply system and the diesel generator set cannot be selectively used.
Disclosure of Invention
In view of the problem of environmental pollution and the problem that the light storage power supply system and the diesel generator set in the existing power supply system cannot selectively use the light storage power supply system and the diesel generator set, the application provides a power supply system and a power supply method of the power supply system, a mode of combining a gas generator and an electric energy storage unit can be adopted, the gas generator and the electric energy storage unit can be switched on and off through a communicating device, the environmental pollution caused by the power supply system can be relieved or avoided, and different power supply sources can be selected.
According to a first aspect of the present application there is provided a power supply system comprising a gas generator, an electrical energy storage unit, a first connector and a power output interface, the first connector being provided between the electrical energy storage unit and the gas generator and the power output interface for connection and disconnection between the electrical energy storage unit and the power output interface and between the gas generator and the power output interface; the power output interface is used for being electrically connected with electric equipment to be powered so as to supply power to the electric equipment.
Optionally, the first connector comprises a first communication switch and a second communication switch, a first connection end of the first communication switch is connected to the gas generator, and a second connection end of the first communication switch can be connected to the power output interface or is in a zero position; the first connecting end of the second communication switch is connected to the electric energy storage unit, and the second connecting end of the second communication switch can be connected to the electric power output interface or is in a zero position.
Optionally, the power supply system further includes a power supply controller, and the power supply controller is respectively connected to the control ends of the first communicating switch and the second communicating switch to control the communicating states of the first communicating switch and the second communicating switch.
Optionally, the power supply controller obtains a required electric quantity of the electric equipment, a stored electric quantity of the electric energy storage unit, and an output power of the gas generator, and when the required electric quantity is less than or equal to the stored electric quantity, controls the second communication switch to connect the electric energy storage unit to the electric power output interface, and controls the first communication switch to be in a zero position or disconnected.
Optionally, when the required electric quantity is greater than the output power and the required electric quantity is less than or equal to the sum of the output power and the stored electric quantity, the power supply controller controls the first communication switch to connect the gas generator to the power output interface and controls the second communication switch to connect the electric energy storage unit to the power output interface.
Optionally, when the required electric quantity is greater than the stored electric quantity and the required electric quantity is less than or equal to the output power, the power supply controller controls the second communication switch to be in a zero position or to be disconnected, and controls the first communication switch to connect the gas generator to the power output interface.
Optionally, the power supply system further includes a second communicating device, the second communicating device is disposed between the gas generator and the electric energy storage unit, and the power supply controller is connected to a control end of the second communicating device, so as to control the second communicating device to connect the gas generator to the electric energy storage unit when the required electric quantity is greater than the stored electric quantity and the required electric quantity is less than or equal to the output power.
According to a second aspect of the present application, there is provided a power supply method of a power supply system including a gas generator, an electric energy storage unit, a first connector, and a power output interface, the first connector being provided between the electric energy storage unit and the gas generator, and the power output interface, the power supply method of the power supply system including: acquiring the required electric quantity of electric equipment to be powered, the stored electric quantity of the electric energy storage unit and the output power of the gas generator; controlling the first connector to control connection and disconnection between the electrical energy storage unit and the power output interface and between the gas generator and the power output interface according to a comparison result of the required electric quantity, the stored electric quantity, and the output power.
Optionally, controlling the first connector to control connection and disconnection between the electrical energy storage unit and the power output interface and between the gas generator and the power output interface according to a comparison result of the required power amount, the stored power amount, and the output power includes: controlling the first connector to disconnect the electrical energy storage unit from the power output interface and to connect the gas generator to the power output interface, in a case where the comparison result indicates that the required amount of electricity is greater than the stored amount of electricity and the required amount of electricity is less than or equal to the output power.
Optionally, the power supply system further comprises a second communicator disposed between the gas generator and the electric energy storage unit, wherein the power supply method further comprises: and under the condition that the comparison result shows that the required electric quantity is larger than the stored electric quantity and the required electric quantity is smaller than or equal to the output power, the second communicating vessel is also controlled to connect the gas generator to the electric energy storage unit.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 shows a schematic block diagram of one example of a power supply system according to an embodiment of the present application;
fig. 2 shows a schematic block diagram of another example of a power supply system according to an embodiment of the present application;
fig. 3 shows a schematic block diagram of yet another example of a power supply system according to an embodiment of the present application;
fig. 4 shows a schematic flow diagram of a method of supplying power according to an embodiment of the present application.
Icon: 100-a gas generator; 200-an electrical energy storage unit; 300-a first connector; 301-a first communication switch; 302-a second connectivity switch; 400-power output interface; 500-a powered device; 600-a power supply controller; 700-second communicator.
Detailed Description
The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art in view of the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but rather, variations may be made in addition to operations which must occur in a particular order, which will be apparent upon understanding the disclosure of the present application. Moreover, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.
The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent after understanding the disclosure of the present application.
Throughout the specification, when an element (such as a layer, region, or substrate) is described as being "on," "connected to," coupled to, "over," or "overlying" another element, it may be directly "on," "connected to," coupled to, "over," or "overlying" the other element, or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," directly coupled to, "directly over" or "directly overlying" another element, there may be no intervening elements present.
As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.
Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in the examples described herein may be termed a second element, component, region, layer or section without departing from the teachings of the examples.
The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.
The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application.
An aspect of this application provides a power supply system, and power supply system can adopt the mode that gas generator and electric energy storage unit combined together to the accessible linker carries out the selectivity break-make to gas generator and electric energy storage unit, not only can alleviate or avoid the environmental pollution that power supply system brought, can select the use to different power supply sources moreover, is applicable to the power supply application of different scenes.
It is worth noting that prior to this application, the existing power supply system supplies power to the electric equipment through the photovoltaic equipment, the energy storage equipment and the diesel generator set, which causes environmental pollution and can not select power supply source.
Fig. 1 shows a schematic block diagram of one example of a power supply system according to an embodiment of the present application.
As shown in fig. 1, the power supply system according to the embodiment of the present application includes a gas generator 100, an electric energy storage unit 200, a first communicator 300, and a power output interface 400.
The gas generator 100 may refer to a generator set using gas as a power generation raw material. The gas generator 100 may be a dc generator set. As an example, the gas generator 100 may be a gas generator set, which may maintain the output power of the generator set by burning internal gas fuel to power other devices. Here, the gas generator 100 is preferably a gas generator set using clean energy of Liquefied Natural Gas (LNG) as fuel, which not only can maintain output power of the generator set, but also reduces pollution emission of the existing generator set, thereby achieving a better environmental protection effect. As an example, the gas generator 100 may include a fuel reservoir, such as an LNG cylinder, and a vaporizer, which may convert the fuel to a gaseous state when using a fuel, such as LNG. Here, the gas generator 100 is not limited to this, and may be a generator set using another gas as a power generation raw material.
The electric energy storage unit 200 stores stored electric energy and can supply power to the electric device to be powered, in the embodiment of the present application, the electric energy storage unit 200 is preferably a rechargeable energy storage device, such as a storage battery, which can better store electric energy and supply power to the electric device to be powered.
The first communicator 300 is provided between the electric energy storage unit 200 and the gas generator 100 and the power output interface 400 for connection and disconnection between the electric energy storage unit 200 and the power output interface 400 and between the gas generator 100 and the power output interface 400.
The first connector 300 may be a switch for controlling the on/off of the circuit. For example, in an embodiment of the present application, as shown in fig. 2, the first communicator 300 may include a first communication switch 301 and a second communication switch 302.
The first connection end of the first communication switch 301 is connected to the gas generator 100, and the second connection end of the first communication switch 301 can be connected to the power output interface 400 or in a zero position, for example, when the gas generator 100 supplies power to the electric device to be powered, the second connection end of the first communication switch 301 can be connected to the power output interface 400; when the gas generator 100 is in an idle state (when the power is not supplied to the electrical equipment to be supplied by the gas generator 100) or the output power of the gas generator 100 is less than the required power of the electrical equipment to be supplied, the second connection terminal of the first connection switch 301 of the first communicator 300 is disconnected from the power output interface 400 or is in a zero position.
The first connection end of the second communication switch 302 can be connected to the electrical energy storage unit 200 of the gas generator 100, and the second connection end of the second communication switch 302 can be connected to the electrical output interface 400 or in a null position, for example, when the electrical energy storage unit 200 supplies power to the electric device to be powered, the second connection end of the second communication switch 302 of the first communication device 300 can be connected to the electrical output interface 400; when the electric energy storage unit 200 is in an idle state (when the electric equipment to be powered is not powered by the electric energy storage unit 200) or the stored electric energy of the electric energy storage unit 200 is less than the required electric energy of the electric equipment to be powered, the second connection terminal of the second communication switch 302 of the first connector 300 is disconnected from the power output interface 400 or is in a zero position.
However, the form of the first communicator 300 is not limited to the above-described embodiment, and it may also be formed as a switching circuit, for example, which may control the conduction or disconnection of the circuit between the electric energy storage unit 200 and the power output interface 400, and may control the conduction or disconnection of the circuit between the gas generator 100 and the power output interface 400. By way of example, the circuit breaker can be realized by using a triode to cooperate with the circuit breaker, and a triode electronic switch is used as an auxiliary control circuit switch of the circuit breaker to control the on and off of the circuit breaker, so that the purpose of switch control is achieved.
In an embodiment of the present application, the power output interface 400 is used to electrically connect with the powered device 500 to be powered to power the powered device 500. Here, in the case where the power supply system is a charging system that charges a vehicle, the power output interface 400 may be a charging gun, and accordingly, the electric device 500 may be an electric vehicle, a battery car, a vehicle, or the like. However, the power output interface 400 is not limited thereto as long as it can be connected with an electric device to be powered to supply power to the electric device. Here, the power supply system of the present application may be a separately provided power supply system, such as a charging station, a charging pile, or the like, or may be a power supply system integrated in an electric power device, such as a vehicle or the like.
In the embodiment of the present application, as shown in fig. 3, the power supply system may further include a power supply controller 600, and the power supply controller 600 may be connected to the control terminals of the first communicating switch 301 and the second communicating switch 302, respectively, to control the communicating states of the first communicating switch 301 and the second communicating switch 302.
In addition, the power supply controller 600 may be also communicatively connected to the gas generator 100 and the electric energy storage unit 200, and may be communicatively connected to the electric device 500, so that the power supply controller 600 may acquire the required amount of power of the electric device 500, the stored amount of power of the electric energy storage unit 200, and the output power of the gas generator 100.
As an example, when the powered device 500 needs to be replenished with power, the power output interface 400 may be accessed to the power input interface of the powered device 500, in case the powered device 500 has a Battery Management System (BMS), the power supply controller 600 may include a communication module such as a bluetooth communication module, which may be communicatively connected (e.g., bluetooth connected) to the battery management system of the powered device 500, and the power supply controller 600 may acquire the remaining power/required power of the battery of the powered device 500 from the battery management system through the communication module, and then the communication module may transmit the acquired remaining power/required power to the comparator. Further, the power supply controller 600 may be in communication with the gas generator 100 and the electrical energy storage unit 200, for example, a communication module of the power supply controller 600 may be in communication with the gas generator 100 and the electrical energy storage unit 200 to obtain the real-time output power of the gas generator 100 and the real-time storage capacity of the electrical energy storage unit 200.
The power supply controller 600 may compare the required power of the electric device 500, the stored power of the electric energy storage unit 200, and the output power of the gas generator 100, and specifically, the power supply controller 600 may include a comparator, so that the magnitude relationship between the required power of the electric device 500, the stored power of the electric energy storage unit 200, and the output power of the gas generator 100 may be compared by the comparator.
When the required electric quantity of the electric equipment 500 is less than or equal to the stored electric quantity of the electric energy storage unit 200, the power supply controller 600 may control the second communication switch 302 to connect the electric energy storage unit 200 to the power output interface 400 through the control terminal of the second communication switch 302, control the first communication switch to be in a zero position or disconnected, and at this time, may supply power to the electric equipment 500 through the electric energy storage unit 200.
When the required electric quantity of the electric equipment 500 acquired by the power supply controller 600 is greater than the output power of the gas generator 100 and the required electric quantity is less than or equal to the sum of the output power and the storage electric quantity of the electric energy storage unit 200, the power supply controller 600 can control the first communication switch to connect the gas generator to the electric power output interface through the control end of the first communication switch 301, control the second communication switch to connect the electric energy storage unit to the electric power output interface, at this moment, the electric equipment 500 can be supplied with power through the gas generator 100 and the electric energy storage unit 200 together.
Here, when the required power amount of the electrical equipment 500 acquired by the power supply controller 600 is greater than the output power and the required power amount is less than or equal to the sum of the output power and the stored power amount, the power supply controller 600 controls the gas generator 100 and the electric energy storage unit 200 to supply power to the electrical equipment 500 in common. As the power supply operation proceeds, the required power of the electric device 500 is continuously decreased, and when the required power of the electric device 500 is smaller than the output power of the gas generator 100, the first communication switch 301 may be controlled to be connected to the power output interface 400, and the second communication switch 302 may be controlled to be at the zero position or disconnected from the power output interface 400, in which case, the electric energy storage unit 200 will stop supplying power to the electric device 500, and the electric device 500 is continuously supplied with power only through the gas generator 100 to supplement the set required power. In this case, the gas generator 100 may be configured to supplement the stored electric energy of the electric energy storage unit 200 to the set required electric energy with the charging power that the electric energy storage unit 200 can receive, and to cope with the subsequent power supply operation.
When the required electric quantity of the electric equipment 500 acquired by the power supply controller 600 is greater than the stored electric quantity of the electric energy storage unit 200 and the required electric quantity is less than or equal to the output power of the gas generator 100, the power supply controller 600 may control the second communication switch to be in a zero position or disconnected, control the first communication switch to connect the gas generator to the power output interface, and at this time, the electric equipment 500 may be directly supplied with power through the gas generator 100.
In addition, in another embodiment of the present application, as shown in fig. 3, the power supply system may further include a second communicator 700, and the second communicator 700 may be a switch for controlling on and off of the circuit. The second communicator 700 is disposed between the gas generator 100 and the electric energy storage unit 200, and the power supply controller 600 may be connected to a control terminal of the second communicator 700. In this embodiment, when the required power of the electric device 500 is greater than the stored power of the electric energy storage unit 200 and the required power is less than or equal to the output power of the gas generator 100, in an example, the power supply controller 600 may first control the first communicating switch 301 to communicate to supply power to the electric device 500 through the gas generator 100, and when the gas generator 100 supplements the required power of the electric device 500 to the set required power, the power supply controller 600 may further control the second communicating device 700 to connect the gas generator 100 to the electric energy storage unit 200, so as to control the gas generator 100 to charge the electric energy storage unit 200 with the charging power that the electric energy storage unit 200 can accept, so as to supplement the stored power of the electric energy storage unit 200 to the set required power through the gas generator 100, and the subsequent power supply operation is already performed; in another example, the power supply controller 600 may control the second communicator 700 to connect the gas generator 100 to the electric energy storage unit 200 while controlling the first communication switch 301 to communicate to supply the electric device 500 through the gas generator 100, so as to control the gas generator 100 to charge the electric energy storage unit 200 with the charging power that the electric energy storage unit 200 can accept, so as to supplement the stored electric quantity of the electric energy storage unit 200 to the set required electric quantity through the gas generator 100.
Here, in the case where the required power amount of the electrical equipment 500 acquired by the power supply controller 600 is greater than the output power and the required power amount is less than or equal to the sum of the output power and the stored power amount, the power supply controller 600 may control the gas generator 100 to supply power to the electrical equipment 500 and may charge the electrical energy storage unit 200 at the same time. As the power supply operation for the electric equipment 500 and the electric energy storage unit 200 is performed, the required power of the electric equipment 500 is continuously decreased, and the stored power of the electric energy storage unit 200 is continuously increased, when the required power of the electric equipment 500 is smaller than the stored power of the electric energy storage unit 200, the first communicating switch 301 may be controlled to be at a zero position or disconnected from the power output interface 400, and the second communicating switch 302 may be controlled to be connected to the power output interface 400, in which case, the gas generator 100 stops supplying power to the electric equipment 500, and only the electric energy storage unit 200 supplies power to the electric equipment 500.
Although in the above-described embodiment, the power supply controller is used to communicate with the gas generator, the electric energy storage unit and the electric equipment to obtain the output power of the gas generator, the stored electric quantity of the electric energy storage unit and the demanded electric quantity of the electric equipment, and the power supply controller is used to control the first and second communicators, the present application is not limited thereto, and the above-described obtaining process may be obtained in other manners, for example, from the gas generator, the electric energy storage unit and the electric equipment through a computing device/terminal outside the power supply system. Furthermore, the comparison process may be performed by a computing device/terminal external to the power supply system or manually, and the first and second communicators may also be switched on and off by manual control (e.g., by a hand-throw switch, button or knob, etc.).
The power supply system according to the embodiment of the present application may further include a gas engine connected to the gas generator 100 to provide driving power to the gas generator 100, in which case the power supply system may further include an engine signal generator for controlling timing of the gas engine. The engine signal generator may be used to determine the speed, crank angle and piston position of the gas engine to control the timing of the gas engine, e.g., to control the intake, ignition and exhaust timing points of the gas engine. As an example, the engine signal generator may be connected to an Electronic Control Unit (ECU) of the gas engine to be connected to the gas generator 100 through the ECU.
Further, in the case where the gas generator 100 is a gas generator set, the power supply system may further include a fuel supply system for supplying fuel to the gas generator set, the fuel supply system may be connected to the gas engine described above, and the fuel supply system may include a pressure reducing valve, a gas regulating valve, a throttle valve, a gas mixer, and an ignition system. The ignition system may include an ignition controller, an ignition coil, and a spark plug. The gas generator adopts a spark ignition type combustion mode, but not a compression ignition type combustion mode of a diesel generator. The pressure reducing valve, the gas regulating valve, the throttle valve and the gas mixer are arranged on an external pipeline of a cylinder for introducing gas into the gas engine, and a gas source of the gas passes through the pressure reducing valve, the gas regulating valve, the throttle valve and the gas mixer in sequence and then is ignited by high-voltage electric sparks generated by an ignition system. The pressure reducing valve is used for reducing the pressure of the gas with the pressure higher than the normal gas pressure of the gas engine to a preset pressure. The gas regulating valve is a fine controller for regulating the amount of fuel entering the engine. The throttle is a device for adjusting the ratio of air and fuel gas. The gas mixer is a device for mixing gas and air required by an engine.
The ignition system is a circuit control system that ignites each cylinder according to the engine timing. Here, the ignition plug is used to generate a spark for igniting the combustible gas, the ignition coil instantaneously generates a high voltage required by the ignition plug when receiving an ignition signal, and the ignition controller may receive an engine timing signal to control the cylinders of the engine to ignite in a set ignition sequence.
In addition, the power supply system may further include a silencer that may be mounted to the gas generator for reducing noise generated by the generator set during operation.
As shown in fig. 4, a power supply method of a power supply system is provided according to another aspect of the present application. Here, the power supply system may be implemented as the power supply system described in the embodiment of the first aspect of the present application, and is not described herein again.
The power supply method of the power supply system according to the embodiment of the application may include the steps of:
and S1, acquiring the required electric quantity of the electric equipment to be powered, the stored electric quantity of the electric energy storage unit and the output power of the gas generator.
In this step, in a case where the electric device includes a battery management system, the remaining/required power of the battery of the electric device may be acquired by the battery management system with the electric device. In addition, the battery of the electric equipment can be detected by the electric quantity detector in real time to determine the required electric quantity based on the difference between the calibration electric quantity and the residual electric quantity. The amount of stored power of the electrical energy storage unit may also be detected by a power detector. The output power of the gas generator may be determined from the output power displayed on the generator output power meter.
And S2, controlling the first connector to control the connection and disconnection between the electric energy storage unit and the electric power output interface and between the gas generator and the electric power output interface according to the comparison result of the required electric quantity, the stored electric quantity and the output power.
In this step, the operation of the first communicator to connect and disconnect the electrical energy storage unit to and from the electrical power output interface and the gas generator to and from the electrical power output interface is similar to that described above in the embodiment of the first aspect of the present application and will not be described again here.
Specifically, step S2 may include the following operations:
and when the comparison result shows that the required electric quantity is less than or equal to the stored electric quantity, controlling the first connector to connect the electric energy storage unit to the electric power output interface, and controlling the first connector to disconnect the gas generator from the electric power output interface.
Specifically, when the comparison result indicates that the required electric quantity is less than or equal to the stored electric quantity, the electric equipment can be supplied with power through the electric energy storage unit, and when the electric energy storage unit supplements the required electric quantity of the electric equipment to the set required electric quantity, the first connector can be controlled to disconnect the electric energy storage unit from the electric power output interface.
And controlling the first communicator to disconnect the electric energy storage unit from the power output interface and connect the gas generator with the power output interface, in the case that the comparison result indicates that the required electric quantity is greater than the stored electric quantity and the required electric quantity is less than or equal to the output power of the gas generator.
Specifically, under the condition that the comparison result shows that the required electric quantity is larger than the stored electric quantity and the required electric quantity is smaller than or equal to the output power of the gas generator, the electric equipment can be directly supplied with power through the gas generator, and the electric energy storage unit is controlled to be disconnected from the power output interface, namely, the electric equipment is not supplied with power through the electric energy storage unit. When the gas generator supplements the required electric quantity of the electric equipment to the set required electric quantity, the first connector is controlled to disconnect the gas generator from the electric power output interface.
In the case where the comparison result indicates that the required power amount is greater than the stored power amount and the required power amount is less than or equal to the output power of the gas generator, in one example, after the required power amount of the electric equipment is supplemented to the set required power amount by the gas generator, the gas generator may be controlled to be connected to the electric energy storage unit, such as by the above-described second communicator provided between the gas generator and the electric energy storage unit, so that the gas generator supplements the stored power amount of the electric energy storage unit to the set required power amount at the charging power that the electric energy storage unit can accept, and the subsequent power supply operation is handled. When the gas generator supplements the stored electric quantity of the electric energy storage unit to the set required electric quantity, the second communicating vessel can be controlled to disconnect the gas generator from the electric energy storage unit.
In another example, the gas generator may be connected to the electric energy storage unit through, for example, the second communicator while the electric equipment is supplied with power through the gas generator, so as to control the gas generator to charge the electric energy storage unit with the charging power that the electric energy storage unit can accept, so as to supplement the stored electric quantity of the electric energy storage unit to the set required electric quantity through the gas generator.
When the comparison result indicates that the required power amount is greater than the output power of the gas generator and the required power amount is less than or equal to the sum of the output power of the gas generator and the stored power amount, the first connector may be controlled to connect the electric energy storage unit to the power output interface and the gas generator to the power output interface.
Specifically, when the comparison result indicates that the required electric quantity is greater than the output power of the gas generator and the required electric quantity is less than or equal to the sum of the output power of the gas generator and the stored electric quantity, the electric energy storage unit and the gas generator can be used for supplying power to the electric equipment together.
In this case, as the required power is continuously reduced, when the required power of the electric equipment is smaller than the output power of the gas generator, the first connector is controlled to disconnect the electric energy storage unit from the power output interface, the electric energy storage unit stops supplying power to the electric equipment, and then the gas generator can replenish the required power of the electric equipment to the set required power, at this time, the first connector is controlled to disconnect the gas generator from the power output interface, and then the second connector is controlled to connect the gas generator to the electric energy storage unit, and the gas generator replenishes the stored power of the electric energy storage unit to the set required power by the charging power which can be received by the electric energy storage unit, and responds to the subsequent power supply operation. When the gas generator supplements the stored electric quantity of the electric energy storage unit to the set required electric quantity, the second communicating device is controlled to disconnect the gas generator from the electric energy storage unit.
In the power supply system and the power supply method of the power supply system of the present application, the power generator set employs a gas generator, and in the gas generator, a fuel system (for example, components such as a high-pressure oil pump, an oil injector, and a high-pressure oil pipe) of a diesel generator may be eliminated, and components of a gas supply system (for example, a pressure reducing valve, an electronic gas regulating valve, a throttle valve, a gas mixer, and a spark plug) may be employed.
After diesel oil is burnt in the diesel oil generator, the tail gas contains a large amount of particulate matters and high contents of CO, HC and NOxAnd SOxIn order to meet emission standards, an exhaust emission treatment device must be added to reduce and reduce particulate matter, CO, HC, NOxAnd SOxCompared with the prior art, the gas generator has the obvious advantages of tail gas emission, nearly zero particulate matters in the emitted gas, CO, HC and NOxAnd SOxThe content of (b) can also be significantly reduced, and the exhaust gas can be directly discharged into the atmosphere, so that a tail gas discharge device of a diesel generator can be omitted.
In addition, in the case of using LNG gas as fuel for the gas generator, the mechanical action of the generator set is relatively soft and the vibration is small when the generator set is operated, compared to using diesel oil, and the structural strength and the shock absorption requirements for the generator set are reduced.
The power supply system and the power supply method of the power supply system can meet the requirement of gas emission by adopting the gas generator, in addition, the connection and disconnection between the electric energy storage unit and the power output interface as well as between the gas generator and the power output interface can be controlled through the first communicating device, so that the higher load operation of the generator set can be always kept, the fuel consumption rate of an engine is reduced, the overall efficiency of the generator set is improved, the unit energy consumption of the generator set is also reduced, the pollution emission of the engine is reduced, and the environmental protection effect is further improved.
In addition, the power supply system and the power supply method of the power supply system can effectively manage the generator set and the electric energy storage unit through the first communicating vessel, reduce the charging and discharging times of the electric energy storage unit, correspondingly reduce the damage to the electric energy storage unit, and further prolong the service life of the electric energy storage unit.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the method described above may refer to the corresponding process in the foregoing device embodiment, and is not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme of the application.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer-readable storage medium executable by a processor. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
According to the power supply system and the power supply method, the mode that the gas generator is combined with the electric energy storage unit can be adopted, the gas generator and the electric energy storage unit can be switched on and off through the communicating device, so that the environmental pollution caused by the power supply system can be relieved or avoided, and different power supply sources can be selected.
In addition, according to the power supply system and the power supply method, the power supply can be selectively performed on the electric equipment through the electric energy storage unit or the gas generator or both according to the comparison relation among the required electric quantity of the electric equipment, the stored electric quantity of the electric energy storage unit and the output power of the gas generator.
In addition, according to the power supply system and the power supply method, the electric energy storage unit can be charged through the gas generator, and the electric energy of the electric energy storage unit is supplemented in time for subsequent use.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A power supply system is characterized by comprising a gas generator, an electric energy storage unit, a first connector and a power output interface,
the first connector is arranged between the electric energy storage unit and the gas generator and the power output interface, so as to be used for connecting and disconnecting the electric energy storage unit and the power output interface and the gas generator and the power output interface;
the power output interface is used for being electrically connected with electric equipment to be powered so as to supply power to the electric equipment.
2. The power supply system of claim 1, wherein the first connector includes a first communication switch and a second communication switch,
the first connecting end of the first connecting switch is connected to the gas generator, and the second connecting end of the first connecting switch can be connected to the power output interface or is in a zero position;
the first connecting end of the second communication switch is connected to the electric energy storage unit, and the second connecting end of the second communication switch can be connected to the electric power output interface or is in a zero position.
3. The power supply system of claim 2, further comprising a power supply controller,
the power supply controller is respectively connected to the control ends of the first communicating switch and the second communicating switch so as to control the communicating state of the first communicating switch and the second communicating switch.
4. The power supply system according to claim 3, wherein the power supply controller obtains a required power amount of the power consumption device, a stored power amount of the electrical energy storage unit, and an output power of the gas generator, and controls the second communication switch to connect the electrical energy storage unit to the power output interface and the first communication switch to be in a zero position or disconnected when the required power amount is less than or equal to the stored power amount.
5. The power supply system according to claim 4, wherein the power supply controller controls the first communication switch to connect the gas generator to the power output interface and controls the second communication switch to connect the electric energy storage unit to the power output interface when the required amount of power is greater than the output power and the required amount of power is less than or equal to a sum of the output power and the stored amount of power.
6. The power supply system of claim 4, wherein the power supply controller controls the second communication switch to be in a zero position or to be disconnected and controls the first communication switch to connect the gas generator to the power output interface when the required power amount is greater than the stored power amount and the required power amount is less than or equal to the output power.
7. The power supply system of claim 6, further comprising a second communicator disposed between the gas generator and the electrical energy storage unit,
the power supply controller is connected to a control end of the second communicating vessel so as to control the second communicating vessel to connect the gas generator to the electric energy storage unit when the required electric quantity is greater than the stored electric quantity and the required electric quantity is less than or equal to the output power.
8. A power supply method of a power supply system, wherein the power supply system includes a gas generator, an electric energy storage unit, a first connector, and a power output interface, the first connector is disposed between the electric energy storage unit and the gas generator, and the power output interface, and the power supply method of the power supply system includes:
acquiring the required electric quantity of electric equipment to be powered, the stored electric quantity of the electric energy storage unit and the output power of the gas generator;
controlling the first connector to control connection and disconnection between the electrical energy storage unit and the power output interface and between the gas generator and the power output interface according to a comparison result of the required electric quantity, the stored electric quantity, and the output power.
9. The power supply method of the power supply system according to claim 8, wherein controlling the first connector to control connection and disconnection between the electrical energy storage unit and the power output interface and between the gas generator and the power output interface according to a result of comparison between the required amount of power, the stored amount of power, and the output power includes:
controlling the first connector to disconnect the electrical energy storage unit from the power output interface and to connect the gas generator to the power output interface, in a case where the comparison result indicates that the required amount of electricity is greater than the stored amount of electricity and the required amount of electricity is less than or equal to the output power.
10. The power supply method of the power supply system according to claim 9, characterized in that the power supply system further includes a second communicator provided between the gas generator and the electric energy storage unit, wherein the power supply method further includes: and under the condition that the comparison result shows that the required electric quantity is larger than the stored electric quantity and the required electric quantity is smaller than or equal to the output power, the second communicating vessel is also controlled to connect the gas generator to the electric energy storage unit.
CN202110701885.8A 2021-06-24 2021-06-24 Power supply system and power supply method of power supply system Pending CN113285491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110701885.8A CN113285491A (en) 2021-06-24 2021-06-24 Power supply system and power supply method of power supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110701885.8A CN113285491A (en) 2021-06-24 2021-06-24 Power supply system and power supply method of power supply system

Publications (1)

Publication Number Publication Date
CN113285491A true CN113285491A (en) 2021-08-20

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Family Applications (1)

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Country Status (1)

Country Link
CN (1) CN113285491A (en)

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