CN218301264U - Multi-power supply system for electromechanical equipment on highway - Google Patents
Multi-power supply system for electromechanical equipment on highway Download PDFInfo
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- CN218301264U CN218301264U CN202221818581.6U CN202221818581U CN218301264U CN 218301264 U CN218301264 U CN 218301264U CN 202221818581 U CN202221818581 U CN 202221818581U CN 218301264 U CN218301264 U CN 218301264U
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Abstract
A multi-power supply system for highway electromechanical equipment comprises a power management module, an energy storage module, a photovoltaic power generation module, a wind power generation module, a DC/DC conversion module, a DC/AC conversion module, a DC/DC output module, a DC/AC output module and a power switching module which are electrically connected. The whole system of the utility model adopts a modular design, the number of modules output by the system and the output voltage grade of the modules can be randomly combined according to the arrangement condition of the field electromechanical equipment, and the system is flexible and reliable; all output modules are composed of peripheral circuits and a main circuit, the main circuit is designed as a plug-in module, plug-in replacement is carried out when a fault occurs, the fault time is shortened, meanwhile, the system fully utilizes sunlight and wind resources, power supply in a multi-power mode is achieved, and the system is energy-saving and environment-friendly. When sunlight and wind resources are deficient, the energy storage module can be used as a standby power supply, and the power supply reliability of the whole system is improved. Based on the above, the utility model discloses good application prospect has.
Description
Technical Field
The utility model relates to a highway power supply unit technical field, especially a many power supply system of highway electromechanical device.
Background
Along with the large-scale construction of the intelligent expressway, more and more electromechanical devices are applied, the arrangement of monitoring devices, ETC charging devices (such as cameras, flashing lights, monitoring video transmission devices, meteorological monitoring devices, charging systems, information boards and the like) and intelligent monitoring devices on the expressway is dispersed, the requirement on power supply stability is high, at present, the traditional power supply scheme is adopted to supply power through a single power supply line, and the intelligent expressway has the defects of poor anti-jamming capability, low power supply reliability, low efficiency and the like. In addition, the sunlight and wind resources along the highway are rich, carbon neutralization is vigorously advocated by national policies, and under the background of carbon peak-reaching, if natural resources can be fully utilized, the effect of achieving twice the result with half the effort can be achieved, so that a multi-power supply system for electromechanical equipment of the highway is needed to be provided to solve the defects of the traditional power supply scheme.
Disclosure of Invention
In order to overcome current highway electromechanical device power supply system because of the technical limit, there are the drawback such as interference killing feature poor, the power supply reliability is low and inefficiency, the utility model provides a based on the power supply of multiple power supply mode, the power supply mode is more nimble and can realize energy-conserving purpose to have played a many power supply system of highway electromechanical device that favourable technical support for highway edge line consumer normal work
The utility model provides a technical scheme that its technical problem adopted is:
a multi-power supply system for highway electromechanical equipment is characterized by comprising a power management module, an energy storage module, a photovoltaic power generation module, a wind power generation module, a DC/DC conversion module, a DC/AC conversion module, a DC/DC output module, a DC/AC output module and a power switching module; the power output ends of the photovoltaic power generation module and the wind power generation module are respectively electrically connected with the first path of power input end and the second path of power input end of the energy storage module, the power output end of the energy storage module is electrically connected with the first path of power input end of the power management module, and the first path of power output end of the power management module is electrically connected with the first path of power input end of the DC/DC conversion module; the second power input end of the DC/DC conversion module is electrically connected with the first power output end of the power supply switching module, the power output end of the DC/DC conversion module is electrically connected with the third power input end of the energy storage module, and the far-end direct-current power supply is electrically connected with the power input end of the power supply switching module and the second power input end of the power supply management module respectively; the DC/DC output module has multiple paths, the power input ends of the multiple paths of DC/DC output modules and the DC/AC output module are respectively and electrically connected with the second path of power output end of the power switching module, and the multiple paths of control power output ends of the power management module are respectively and electrically connected with the power input ends of the multiple paths of DC/DC output modules and the DC/AC output module.
Furthermore, the voltage output by the multi-path DC/DC output module is different, and the output voltage of the DC/AC output module is alternating current 220V.
Furthermore, the power input end of the power switching module can be connected with a far-end alternating current power supply, the corresponding multi-path DC/DC output module adopts a multi-path AC/DC output module, the DC/DC conversion module adopts an AC/DC conversion module, and an AC/DC/AC output module can also be adopted.
Furthermore, the power output ends of the multi-path DC/DC output module and the DC/AC output module are respectively and electrically connected with the power input ends of the direct current electric equipment and the alternating current electric equipment with different electric voltages.
Further, when the power input end of the power switching module is connected with an alternating current power supply, the corresponding AC/DC output module is electrically connected with the power input ends of the direct current electric equipment and the alternating current electric equipment with different power voltages respectively, and the AC/DC conversion module is electrically connected with the power input end of the energy storage module.
The utility model has the advantages that: the whole system of the utility model adopts the modular design, the number of modules output by the system and the output voltage grade of the modules can be randomly combined according to the arrangement condition of the field electromechanical equipment, and the system is flexible and reliable; all output modules are composed of peripheral circuits and a main circuit, the main circuit is designed as a plug-in module, plug-in replacement is carried out when a fault occurs, the fault time is shortened, meanwhile, the system fully utilizes sunlight and wind resources, power supply in a multi-power mode is achieved, and the system is energy-saving and environment-friendly. When sunlight and wind resources are deficient, the energy storage module can be used as a standby power supply, and the power supply reliability of the whole system is improved. Based on the above, the utility model discloses good application prospect has.
Drawings
Fig. 1 is a diagram of the far-end dc input system (with photovoltaic power generation module and wind power generation module).
Fig. 2 is a diagram of the far-end dc input system of the present invention (without the photovoltaic power generation module and the wind power generation module).
Fig. 3 is a diagram of the far-end ac input system of the present invention (with a photovoltaic power generation module and a wind power generation module).
Fig. 4 is a diagram of the far-end ac input system of the present invention (without the photovoltaic power generation module and the wind power generation module).
Detailed Description
As shown in fig. 1, 2, 3 and 4, a multi-power supply system for electromechanical devices on a highway is characterized by comprising a power management module, an energy storage module, a photovoltaic power generation module, a wind power generation module, a DC/DC conversion module, a DC/AC conversion module, a DC/DC output module, a DC/AC output module and a power switching module; the power output ends of the photovoltaic power generation module and the wind power generation module are respectively and electrically connected with the first path of power input end and the second path of power input end of the energy storage module, the power output end of the energy storage module is electrically connected with the first path of power input end of the power management module, and the first path of power output end of the power management module is electrically connected with the first path of power input end of the DC/DC conversion module; the second power supply input end of the DC/DC conversion module is electrically connected with the first power supply output end of the power supply switching module, and the power supply output end of the DC/DC conversion module is electrically connected with the third power supply input end of the energy storage module; the power supply input ends of the far-end direct-current power supply and power supply switching module and the second path of power supply input end of the power supply management module are respectively and electrically connected; the DC/DC output module has multiple paths, the power input ends of the multiple paths of DC/DC output modules and the DC/AC output module are electrically connected with the second path of power output end of the power supply switching module respectively, and the multiple paths of control power output ends of the power supply management module are electrically connected with the power input ends of the multiple paths of DC/DC output modules and the DC/AC output module respectively.
As shown in fig. 1, 2, 3 and 4, the voltages output by the multiple DC/DC output modules are different, and the output voltage of the DC/AC output module is 220V AC. The power input end of the power supply switching module can be further connected with a far-end alternating current power supply, the corresponding multi-path DC/DC output module adopts a multi-path AC/DC output module, and the DC/DC conversion module adopts an AC/DC conversion module. The power output ends of the multi-path DC/DC output module and the DC/AC output module are respectively and electrically connected with the power input ends of direct current electric equipment and alternating current electric equipment with different electric voltages. When the power input end of the power switching module is connected with an alternating current power supply, the corresponding AC/DC output module is respectively electrically connected with direct current electric equipment with different power utilization voltages and the power input end of the alternating current electric equipment, and the AC/DC conversion module is electrically connected with the power input end of the energy storage module.
As shown in fig. 1, 2, 3 and 4, the power management module is used for acquiring and controlling the working states of the modules; the energy storage module is used for storing electric energy generated by the photovoltaic power generation module and the wind power generation module, outputting the stored electric energy to supply power for the electromechanical equipment, and meanwhile, the energy storage module can be used as a standby power supply after the remote input external power loses power; the photovoltaic power generation module is used for converting solar energy into electric energy; the wind power generation module is used for converting wind energy into electric energy; the DC/DC conversion module is used for converting the output of the energy storage module into the direct current input of the system; the DC/AC conversion module is used for converting the output of the energy storage module into the system alternating current input; the DC/DC output module is used for converting the direct current input of the system into direct current 24V, 12V, 5V and-48V required by the field electromechanical equipment; the AC/DC output module is used for converting the system alternating current input into direct current 24V, 12V, 5V and-48V required by the field electromechanical device; the DC/AC output module is used for converting the direct current input of the system into alternating current 220V required by the field electromechanical equipment; the AC/DC/AC module is used for converting the system alternating current input into alternating current 220V required by the field electromechanical device; the power supply switching module is used for switching between a power supply loop of the energy storage module and a remote power supply loop of the system, and a power supply loop is ensured to supply power in the system work. The power management module is a control management core of the whole system and is used for collecting and displaying real-time information in each module and controlling each module according to a control strategy. The medium energy storage module is configured to store the photovoltaic power generation module and the wind power generation module, and is used for storing the electric energy generated by the photovoltaic power generation module and the wind power generation module, and is configured to store the photovoltaic power generation module and the wind power generation module, and is used for inputting the standby power supply after power loss at the far end if the photovoltaic power generation module and the wind power generation module are not configured. When the far-end input of the system is direct current, the output end of an energy storage module in the system is provided with a DC/DC module, the output end of the system is provided with a DC/DC output module and a DC/AC output module, and the number of the modules output by the system and the output voltage level of the modules can be combined at will according to the arrangement condition of field electromechanical equipment. When the far-end input of the system is alternating current, an AC/DC module is configured at the output end of an energy storage module in the system, an AC/DC output module and an AC/DC/AC output module are configured at the output end of the system, and the number of the modules output by the system and the output voltage level of the modules can be combined at will according to the arrangement condition of field electromechanical equipment. The voltage of the multi-path DC/DC output module is 24V direct current, 12V direct current, 5V direct current or 48V direct current, and the voltage output by the DC/AC output module is 220V alternating current. The output module and the conversion module are both composed of a peripheral circuit and a main circuit, the main circuit is designed as a plug-in module, and the module is directly plugged and replaced when a fault occurs, so that large-area replacement is avoided, and the fault time is shortened. When the system is configured with the photovoltaic power generation module and the wind power generation module, the energy storage module is used as a main loop for supplying power to the system, the electric input of the far-end external power is used as a standby power supply, and when the electric quantity of the energy storage module collected by the power management module is lower than a threshold value, the power management module controls the power switching module to switch to the electric input of the far-end external power.
As shown in fig. 1, 2, 3 and 4, the photovoltaic power generation module and the wind power generation module can be selected and matched according to the conditions of field sunlight and wind resources, the number of output modules and the output voltage level of the modules can be combined at will according to the arrangement condition of field electromechanical equipment, and the output module and the conversion module are both composed of a peripheral circuit and a main circuit. When the photovoltaic power generation system works specifically, if a photovoltaic power generation module and a wind power generation module are configured in the system, a switch K2 of a power supply switching module is closed, a switch K1 is opened, an energy storage module serves as a main loop of system power supply, far-end external power direct current input serves as a standby power supply, when the electric quantity of the energy storage module collected by a power management module is lower than a threshold value, the switch K1 is controlled to be closed through the power management module, the far-end external power alternating current input supplies power, and meanwhile the energy storage module is charged through a DC/DC conversion module. If the photovoltaic power generation module and the wind power generation module are not configured in the system, the switch K1 is controlled to be closed through the power management module, the far-end external power alternating current input serves as a main loop of system power supply, the energy storage module is charged for the energy storage module through the DC/DC conversion module by the power management module control switch K2 according to the energy storage condition, and when the power management module collects that the far-end external power alternating current input loses power, the switch K2 is controlled to be closed through the power management module to be switched to the energy storage module to supply power after the conversion of the energy storage module through the DC/DC conversion module. In the circuit, the AC/DC output module is MKA/D24, the AC/DC output module is MKA/D12, the AC/DC output module is MKA/D5, the AC/DC output module is MKA/D-48, the AC/DC/AC output module is MKA/A220, the power management module is GMK18-2, the DC/AC conversion module is ZMK/800-3000, the energy storage module is DBSHV50S, the photovoltaic power generation module is GF 1mw, and the wind power generation module is FD18.
The basic principles and essential features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of being embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present specification describes embodiments, these embodiments are not intended to encompass only a single embodiment, and such descriptions are merely for clarity, and those skilled in the art will be able to incorporate the teachings herein as a whole, and that the embodiments can be combined as appropriate to form other embodiments, as will be appreciated by those skilled in the art.
Claims (5)
1. A multi-power supply system for highway electromechanical equipment is characterized by comprising a power management module, an energy storage module, a photovoltaic power generation module, a wind power generation module, a DC/DC conversion module, a DC/AC conversion module, a DC/DC output module, a DC/AC output module and a power switching module; the power output ends of the photovoltaic power generation module and the wind power generation module are respectively electrically connected with the first path of power input end and the second path of power input end of the energy storage module, the power output end of the energy storage module is electrically connected with the first path of power input end of the power management module, and the first path of power output end of the power management module is electrically connected with the first path of power input end of the DC/DC conversion module; the second power input end of the DC/DC conversion module is electrically connected with the first power output end of the power supply switching module, the power output end of the DC/DC conversion module is electrically connected with the third power input end of the energy storage module, and the far-end direct-current power supply is electrically connected with the power input ends of the power supply switching module and the second power input end of the power supply management module respectively; the DC/DC output module has multiple paths, the power input ends of the multiple paths of DC/DC output modules and the DC/AC output module are respectively and electrically connected with the second path of power output end of the power switching module, and the multiple paths of control power output ends of the power management module are respectively and electrically connected with the power input ends of the multiple paths of DC/DC output modules and the DC/AC output module.
2. The multi-power supply system for the electromechanical devices on the expressway according to claim 1, wherein the voltages output by the plurality of DC/DC output modules are different, and the output voltage of the DC/AC output module is 220V of alternating current.
3. The multi-power supply system for the electromechanical devices on the expressway according to claim 1, wherein the power input end of the power switching module can be further connected with a remote alternating current power supply, the corresponding multi-path DC/DC output module adopts a multi-path AC/DC output module, the DC/DC conversion module adopts an AC/DC conversion module, and an AC/DC/AC output module can also be adopted.
4. The multi-power supply system for the electromechanical devices on the highway according to claim 1, wherein power output ends of the multi-path DC/DC output module and the DC/AC output module are electrically connected with power input ends of direct current electric devices and alternating current electric devices with different power voltages respectively.
5. The multi-power supply system for the electromechanical devices on the highway according to claim 1, wherein when the power input terminal of the power switching module is connected to an AC power source, the corresponding AC/DC output module is electrically connected to the power input terminals of the DC and AC electrical devices with different power voltages, respectively, and the AC/DC conversion module is electrically connected to the power input terminal of the energy storage module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221818581.6U CN218301264U (en) | 2022-07-15 | 2022-07-15 | Multi-power supply system for electromechanical equipment on highway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221818581.6U CN218301264U (en) | 2022-07-15 | 2022-07-15 | Multi-power supply system for electromechanical equipment on highway |
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| CN218301264U true CN218301264U (en) | 2023-01-13 |
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| CN202221818581.6U Active CN218301264U (en) | 2022-07-15 | 2022-07-15 | Multi-power supply system for electromechanical equipment on highway |
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