CN214227909U - Oil-electricity hybrid mobile power supply system - Google Patents
Oil-electricity hybrid mobile power supply system Download PDFInfo
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- CN214227909U CN214227909U CN202120358388.8U CN202120358388U CN214227909U CN 214227909 U CN214227909 U CN 214227909U CN 202120358388 U CN202120358388 U CN 202120358388U CN 214227909 U CN214227909 U CN 214227909U
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Abstract
The utility model discloses a hybrid mobile power supply system, which comprises a fuel engine, a generator, a storage battery, a power conversion module and a control module, wherein the power conversion module is provided with a first power input end, a second power input end, a direct current output end, a first alternating current output end and a second alternating current output end; the fuel engine is in transmission connection with the generator, the output end of the generator is connected with the first power supply input end, the power supply end of the storage battery is connected with the second power supply input end, the charging end of the storage battery is connected with the direct current output end through the charging switch, and the fuel engine, the power conversion module and the charging switch are in communication connection with the control module respectively. The utility model discloses a fuel engine drives generator and battery and provides the energy for whole mobile power supply system, can satisfy the user of different demands simultaneously, has enlarged single mobile power supply unit's application scope.
Description
Technical Field
The utility model relates to a remove power supply technical field, especially relate to a hybrid mobile power supply system of oil electricity.
Background
In the application of the mobile power supply market, the market mainstream has two portable mobile power supply systems which independently use lithium batteries to provide energy and generator power supply systems which independently use fuel oil as energy; compared with the prior art, the portable lithium battery mobile power supply has the advantages of light weight, small size, no noise pollution, capability of being used indoors and outdoors, insufficient cruising ability, low charging speed, long charging time after the battery discharges, capability of being reused, relatively large volume, certain noise pollution, capability of being used in a well ventilated environment, and strong output power.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a hybrid mobile power supply system of oil electricity to satisfy the user of different demands simultaneously, enlarged single unit and removed power supply unit's application scope.
In order to achieve the above object, the present invention provides the following solutions:
a fuel-electric hybrid mobile power supply system comprises a fuel engine, a generator, a storage battery, a power conversion module and a control module, wherein the power conversion module is provided with a first power input end, a second power input end, a direct current output end, a first alternating current output end and a second alternating current output end;
the fuel engine is in transmission connection with the generator, the output end of the generator is connected with the first power supply input end, the power supply end of the storage battery is connected with the second power supply input end, the charging end of the storage battery is connected with the direct current output end through a charging switch, and the fuel engine, the power conversion module and the charging switch are in communication connection with the control module respectively.
Preferably, the hybrid mobile power supply system further comprises an electric quantity detection circuit for detecting the current electric quantity of the storage battery, the input end of the electric quantity detection circuit is connected with the storage battery, and the output end of the electric quantity detection circuit is in communication connection with the electric quantity information input end of the control module.
Preferably, the power conversion module includes a rectification circuit, a DC-DC converter, a first inverter circuit, and a second inverter circuit;
the input end of the rectifying circuit is connected with the first power supply input end, the first output end of the rectifying circuit is connected with the input end of the DC-DC converter, the output end of the DC-DC converter is connected with the direct current output end, the second output end of the rectifying circuit is connected with the input end of the first inverter circuit, and the output end of the first inverter circuit is connected with the first alternating current output end;
the input end of the second inverter circuit is connected with the input end of the second power supply, and the output end of the second inverter circuit is connected with the second alternating current output end.
Preferably, the first alternating current output end and the second alternating current output end are connected in parallel through a parallel circuit, a parallel switch for switching the parallel circuit is arranged on the parallel circuit, and a control signal input end of the parallel switch is in communication connection with a parallel signal output end of the control module.
Preferably, the fuel engine is an internal combustion engine.
Preferably, the generator is a permanent magnet generator.
Preferably, the battery is a lithium battery.
Preferably, the charging switch and the parallel switch are both relays.
Preferably, the first ac output comprises neutral N1 and live L1 and the second ac output comprises neutral N2 and live L2.
The utility model has the advantages as follows:
the utility model discloses a mixed mobile power supply system of oil-electricity adopts fuel engine to drive generator and battery and provides the energy for whole mobile power supply system, carry out two sets of alternating current power supply of output and a set of DC power supply after the power conversion through the power conversion module, can control fuel engine to drive the generator power supply or control the battery power supply respectively as required through control module, when the battery power is not enough, accessible control module control charging switch is closed, utilize fuel engine to drive generator output direct current and charge for the battery, the duration of battery power supply is increased, thereby can satisfy the user of different demands simultaneously, single mobile power supply equipment's application scope has been enlarged.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural diagram of an oil-electricity hybrid mobile power supply system according to a preferred embodiment of the present invention.
Detailed Description
The embodiments of the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the following examples are only used to more clearly illustrate the technical solutions of the present invention, and therefore, are only used as examples, and the protection scope of the present invention is not limited thereby. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
It should be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, the present embodiment provides a hybrid mobile power supply system, which includes a fuel engine 1, a generator 2, a storage battery 3, a power conversion module 4 and a control module 5, where the power conversion module 4 has a first power input end 41, a second power input end 42, a dc output end 43, a first ac output end 44 and a second ac output end 45; the fuel engine 1 is in transmission connection with the generator 2, the output end of the generator 2 is connected with the first power input end 41, the power supply end of the storage battery 3 is connected with the second power input end 42, the charging end of the storage battery 3 is connected with the direct current output end 43 through the charging switch 6, and the fuel engine 1, the power conversion module 4 and the charging switch 6 are in communication connection with the control module 5 respectively.
Specifically, the control module 5 may employ a Microcontroller (MCU).
In the embodiment, the fuel engine 1 is adopted to drive the generator 2 and the storage battery 3 to provide energy for the whole mobile power supply system, two groups of alternating current power supplies and one group of direct current power supplies are output after power conversion is carried out through the power conversion module 4, the fuel engine 1 can be respectively controlled to drive the generator 2 to supply power or the storage battery 3 can be controlled to supply power through the control module 5, a user can select different power supply modes according to the needs, for example, the fuel engine 1 can be selected to drive the generator 2 to output a mode outdoors, the storage battery 3 can be selected indoors, and the charging switch 6 can be controlled to be closed through the control module 5 under the condition that the electric quantity of the storage battery 3 is insufficient, the fuel engine 1 is utilized to drive the generator 2 to output direct current to rapidly charge the storage battery 3, the cruising ability of the storage battery 3 to supply power is increased, and users with different requirements can be simultaneously satisfied, the application range of the single mobile power supply device is expanded.
In one embodiment, the hybrid mobile power supply system further includes a power detection circuit 7 for detecting the current power of the storage battery 3, an input terminal of the power detection circuit 7 is connected to the storage battery 3, and an output terminal of the power detection circuit 7 is connected to the power information input terminal of the control module 5 in a communication manner. When the power supply mode of the storage battery 3 is adopted, the current electric quantity of the storage battery 3 is detected in real time through the electric quantity detection circuit 7, an accurate quantification condition is provided for switching of a power output mode, and when the electric quantity of the storage battery 3 is insufficient, the fuel engine 1 is controlled to be started through the control module 5, so that the generator 2 works, and therefore seamless switching of output of the generator 2 and output of the storage battery 3 is automatically achieved.
In one embodiment, the power conversion module 4 includes a rectification circuit 46, a DC-DC converter 47, a first inverter circuit 48, and a second inverter circuit 49; an input end of the rectifying circuit 46 is connected with the first power input end 41, a first output end of the rectifying circuit 46 is connected with an input end of the DC-DC converter 47, an output end of the DC-DC converter 47 is connected with the direct current output end 43, a second output end of the rectifying circuit 46 is connected with an input end of the first inverter circuit 48, and an output end of the first inverter circuit 48 is connected with the first alternating current output end 44; the input end of the second inverter circuit 49 is connected to the second power input end 42, and the output end of the second inverter circuit 49 is connected to the second ac output end 45. When the generator 2 outputs power, the rectifying circuit 46 converts alternating current output by the generator 2 into direct current through rectification, the first inverter circuit 48 converts direct current output by the rectifying circuit 46 into alternating current with required voltage through inversion, and supplies power to the load through the first alternating current output end 44, and the DC-DC converter 47 converts direct current output by the rectifying circuit 46 into direct current with required voltage, and supplies power to the load through the direct current output end 43 or charges the storage battery 3; when the storage battery 3 outputs power, the second inverter circuit 49 converts the direct current output by the storage battery 3 into the alternating current through inversion, and supplies power to the load through the second alternating current output end 45. When the power is supplied by the output of the generator 2, the alternating current output and the direct current output can work simultaneously, so that more application scenes are met, and the DC-DC converter 47 and the first inverter circuit 48 share the same rectifying circuit 46, so that the cost is effectively reduced. Specifically, the first output terminal and the second output terminal of the rectifying circuit 46 may be the same output terminal, or may be different output terminals with different output voltages.
In one embodiment, the first ac output 44 and the second ac output 45 are connected in parallel by a parallel line, and a parallel switch 8 for switching the parallel line is disposed on the parallel line, and a control signal input terminal of the parallel switch 8 is connected in communication with a parallel signal output terminal of the control module 5. The first alternating current output end 44 and the second alternating current output end 45 can be connected in parallel through a parallel line, when the parallel switch 8 is disconnected, the first alternating current output end 44 and the second alternating current output end 45 respectively and independently output, when the power required by the load is large, the output of the generator 2 and the output of the storage battery 3 are controlled to simultaneously work through the control module 5, the control module 5 simultaneously controls the parallel switch 8 to be closed, the first alternating current output end 44 and the second alternating current output end 45 are connected in parallel, and at the moment, after the total power of the alternating current output is the power output by the first alternating current output end 44 and the second alternating current output end 45, the total power of the alternating current output of the mobile power supply system is effectively improved, and therefore more application scenes are met.
In one embodiment, the fuel engine 1 is an internal combustion engine. The internal combustion engine is used as a power source of the generator 2, so that the heat utilization rate is high, the structure is compact, the size is small, the starting is fast, and the adaptability is good. In this embodiment, a gasoline engine may be specifically used, which has low noise and high power compared to a diesel engine.
In one embodiment, the generator 2 is a permanent magnet generator. Compared with an excitation generator, the permanent magnet generator has the advantages of simple structure, high reliability, small volume, light weight, large specific power, high efficiency and suitability for working environments with much moisture and dust or high explosive hazard degree, and can obviously prolong the service life of the storage battery 3 and reduce the maintenance work of the storage battery 3.
In one embodiment, the battery 3 is a lithium battery. The lithium battery has high energy density, long service life, low power consumption, light weight and strong adaptability to high and low temperature.
In one embodiment, the charge switch 6 and the parallel switch 8 are both relays. Specifically, the charging switch 6 and the parallel switch 8 may adopt different relays respectively, the charging end of the battery 3 and the dc output end 43 of the power conversion module 4 are connected to both ends of the normally open contact of one relay respectively, the first ac output end 44 and the second ac output end 45 are connected to both ends of the normally open contact of another relay respectively, and the control coils of the two relays are connected to the control ends corresponding to the control module 5 respectively.
In one embodiment, the first ac output 44 includes neutral N1 and live L1, and the second ac output 45 includes neutral N2 and live L2. Different single-phase ac loads can be connected via the neutral line N1, the live line L1 of the first ac output 44 and the neutral line N2, the live line L2 of the second ac output 45, respectively.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. The oil-electricity hybrid mobile power supply system is characterized by comprising a fuel engine, a generator, a storage battery, a power conversion module and a control module, wherein the power conversion module is provided with a first power input end, a second power input end, a direct current output end, a first alternating current output end and a second alternating current output end;
the fuel engine is in transmission connection with the generator, the output end of the generator is connected with the first power supply input end, the power supply end of the storage battery is connected with the second power supply input end, the charging end of the storage battery is connected with the direct current output end through a charging switch, and the fuel engine, the power conversion module and the charging switch are in communication connection with the control module respectively.
2. The hybrid mobile power supply system of claim 1, further comprising a power detection circuit for detecting the current power of the storage battery, wherein an input terminal of the power detection circuit is connected to the storage battery, and an output terminal of the power detection circuit is in communication connection with a power information input terminal of the control module.
3. The hybrid mobile power supply system of claim 1, wherein the power conversion module comprises a rectification circuit, a DC-DC converter, a first inverter circuit, and a second inverter circuit;
the input end of the rectifying circuit is connected with the first power supply input end, the first output end of the rectifying circuit is connected with the input end of the DC-DC converter, the output end of the DC-DC converter is connected with the direct current output end, the second output end of the rectifying circuit is connected with the input end of the first inverter circuit, and the output end of the first inverter circuit is connected with the first alternating current output end;
the input end of the second inverter circuit is connected with the input end of the second power supply, and the output end of the second inverter circuit is connected with the second alternating current output end.
4. The hybrid mobile power supply system of claim 3, wherein the first ac output terminal and the second ac output terminal are connected in parallel by a parallel line, and a parallel switch for switching the parallel line is disposed on the parallel line, and a control signal input terminal of the parallel switch is in communication connection with a parallel signal output terminal of the control module.
5. The hybrid mobile power supply system of claim 4, wherein the fuel-powered engine is an internal combustion engine.
6. The hybrid mobile power supply system of claim 5, wherein the generator is a permanent magnet generator.
7. The hybrid mobile power supply system of claim 4, wherein the battery is a lithium battery.
8. The hybrid mobile power supply system of claim 4, wherein the charge switch and the parallel switch are both relays.
9. A petrol-electric hybrid mobile power supply system according to any of claims 1 to 8, characterized in that said first ac output comprises neutral N1 and live L1, and said second ac output comprises neutral N2 and live L2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120358388.8U CN214227909U (en) | 2021-02-07 | 2021-02-07 | Oil-electricity hybrid mobile power supply system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120358388.8U CN214227909U (en) | 2021-02-07 | 2021-02-07 | Oil-electricity hybrid mobile power supply system |
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| CN214227909U true CN214227909U (en) | 2021-09-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11662384B2 (en) | 2020-11-13 | 2023-05-30 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Motor malfunction monitoring device, drive motor system and motor malfunction monitoring method |
| US11680474B2 (en) | 2019-06-13 | 2023-06-20 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing apparatus and control method thereof, fracturing system |
| US11680472B2 (en) | 2020-11-24 | 2023-06-20 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing system |
| WO2023155038A1 (en) * | 2022-02-15 | 2023-08-24 | 烟台杰瑞石油装备技术有限公司 | Electric drive pumping system and driving method thereof |
| US11746636B2 (en) | 2019-10-30 | 2023-09-05 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing apparatus and control method thereof, fracturing system |
| US12078044B2 (en) | 2020-11-24 | 2024-09-03 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd | Fracturing system |
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2021
- 2021-02-07 CN CN202120358388.8U patent/CN214227909U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11680474B2 (en) | 2019-06-13 | 2023-06-20 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing apparatus and control method thereof, fracturing system |
| US11746636B2 (en) | 2019-10-30 | 2023-09-05 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing apparatus and control method thereof, fracturing system |
| US11662384B2 (en) | 2020-11-13 | 2023-05-30 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Motor malfunction monitoring device, drive motor system and motor malfunction monitoring method |
| US11680472B2 (en) | 2020-11-24 | 2023-06-20 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing system |
| US12078044B2 (en) | 2020-11-24 | 2024-09-03 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd | Fracturing system |
| WO2023155038A1 (en) * | 2022-02-15 | 2023-08-24 | 烟台杰瑞石油装备技术有限公司 | Electric drive pumping system and driving method thereof |
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